目次
This guide covers the engineering, safety standards, line configuration, and model selection for anti static HDPE mine ventilation pipe extrusion equipment built by Faygo, a Wanplas factory. Use the anchors below to jump to any section.
- Why Underground Mines Need Anti Static HDPE Ventilation Pipes
- HDPE Material Behavior in Underground Ventilation Systems
- Anti Static and Flame Retardant Mechanisms
- Extrusion Line Architecture for Mine Vent Pipes
- Faygo HDPE Mine Vent パイプ押出ライン
- Faygo 単壁波形パイプ押出ライン
- 生産ライン 仕様書 Table
- Pipe Diameter to 回線構成 Mapping
- Anti Static and Flame Retardant Performance
- 規格と認証
- Model Selection Recommendation Table
- Conventional vs Anti Static Line Comparison
- 適用分野 and End Products
- プロセスフローと品質管理
- サービス、サポート、およびオープンファクトリーポリシー
- よくある質問
- Talk to Faygo About Your Mine Vent Pipe Line
Why Underground Mines Need Anti Static HDPE Ventilation Pipes
Underground mining creates a permanently hazardous atmosphere. Rock drilling, blasting, loading, and haulage all generate fine dust, while the strata continuously release methane and other flammable gases. Without forced ventilation, those gases accumulate in dead ends, rises, and blind headings until the mixture reaches an explosive concentration. Mechanical ventilation is therefore not a comfort feature but a life safety system, and the duct that carries the air must perform without becoming an ignition source.
This is where the anti static requirement becomes decisive. Moving air drags dust and pipe wall surfaces past one another, and any non conductive plastic will accumulate electrostatic charge. A charged HDPE duct can discharge a spark with enough energy to ignite methane air mixtures, which is exactly the event mine safety authorities design against. Anti static HDPE mine vent pipe is formulated so its surface and bulk resistivity stay low enough that charge cannot build to a dangerous level. The same compound is made flame retardant so that, if a localized fire does start, the pipe does not propagate the flame along the airway.
Traditional steel ventilation ducting is conductive by nature but it is heavy, corrodes in damp mine air, is difficult to extend as headings advance, and transfers impact noise. Fabric ducts are light but tear, rot, and offer no rigid airway. HDPE combines low weight, chemical resistance, long continuous length, and easy jointing, but only the specially compounded anti static grade is permissible underground. The extrusion equipment that makes this pipe must therefore do more than shape plastic: it must disperse conductive and flame retardant additives uniformly, hold tight tolerances on large diameters, and deliver a consistent inner surface that will not shed or abrade.
Faygo, a Wanplas factory with 22 years of dedicated experience in plastic pipe and profile extrusion, builds the specialized lines that produce these safety critical ducts. The company operates three specialized factories, runs a pipe, profile, and sheet extrusion facility on a 26,650 square meter site in Zhangjiagang within two hours of Shanghai Airport, and holds 13 national patents including 8 invention patents. All products are CE and ISO certified. That track record is the reason mine equipment suppliers and pipe converters turn to Faygo when the specification calls for anti static HDPE mine ventilation pipe.
The cost of getting this wrong is not a rejected batch but a fatal incident. Mine safety regulators treat ventilation ducting as controlled product, and a duct that fails the surface resistance or flame test can be pulled from service, halting production and exposing the operator to penalties. The economic argument for a purpose built line is therefore strong: the incremental investment over a conventional pipe line is small relative to the value of uninterrupted, certifiable production and the avoided risk of a stoppage or an accident. A converter that can demonstrate consistent anti static and flame retardant results also wins repeat orders from mine operators who audit their suppliers, because the duct is on the critical path of every shift underground.
HDPE Material Behavior in Underground Ventilation Systems
High density polyethylene is a semi crystalline thermoplastic with a density around 0.94 to 0.97 grams per cubic centimeter. Its strength to weight ratio, low friction inner surface, and resistance to most mine waters make it an excellent duct material. For ventilation duty the relevant properties are surface smoothness, impact toughness at low temperature, flexibility for installation, and above all controlled electrical behavior.
Plain HDPE is an electrical insulator with a volume resistivity in the range of 10^14 to 10^16 ohm centimeter. Left untreated it will charge readily. To reach the mine safety limit the compound is loaded with conductive carbon black or a combination of carbon black and permanent antistatic agents. Carbon black at the correct loading forms a continuous percolation network through the polymer that bleeds charge to ground through the hanging hardware and the connected airway. The challenge for the extruder is that carbon black is abrasive and raises melt viscosity, so screw and barrel wear, melt temperature control, and mixing quality all become first order concerns.
耐燃性は、ハロゲンフリーのミネラル充填剤、アルミニウム水酸化物、マグネシウム水酸化物、または発火性パッケージを使用して追加されます。これらの添加物は、熱放出率を低下させ、炭化物形成を促進しますが、同時に溶融物を硬化させ、衝撃強度を低下させる可能性があります。樹脂サプライヤーとパイプメーカーは、完成したダクトが長期的な応力割れ耐性テストに合格するように、添加物パッケージをバランスさせる必要があります。
From a processing view, HDPE for mine pipe is typically blown film grade or pipe grade with a melt flow rate in the low range, because higher molecular weight gives better long term stress cracking resistance. The extrusion line must plasticize this high viscosity, heavily filled melt completely and homogeneously. Incomplete dispersion shows up later as weak spots, surface streaks, and patchy conductivity, any of which can fail a mine inspection.
Two further material behaviors matter for the line design. The first is environmental stress crack resistance, because mine ducts see constant flexing at hangers and occasional impact from machinery; a brittle compound cracks and leaks air, raising the fan load and lowering the air quantity at the face. The second is weldability and joint integrity, since long airways are made by coupling pipe sections, and a joint that is not导电 continuous breaks the grounding path and lets charge accumulate at the flange. The line therefore benefits from a controlled, low stress extrusion that preserves molecular weight, and the pipe maker validates both the weld and the through joint conductivity as part of outgoing quality. Faygo’s intelligent control system records the process conditions for every batch so a joint failure can be traced back to the exact run that made the pipe.
Anti Static and Flame Retardant Mechanisms
Two independent safety functions are built into the pipe wall. The anti static function controls surface resistivity so that electrostatic charge dissipates faster than it accumulates. The flame retardant function controls how the material behaves when exposed to a flame or hot surface.
For the anti static function, conductive carbon black is the workhorse. Below a critical loading the particles are isolated and the material stays insulating. At and above the percolation threshold the particles touch, forming conductive pathways. The target for mine ducting is a surface resistance at or below 1e9 ohm, measured on both the inner and outer surfaces because dust contacts the inner wall and the hanging environment contacts the outer wall. Some specifications also require a volume resistivity limit. The additive must be dispersed as fine, well distributed agglomerates rather than coarse clumps; poor dispersion wastes additive and weakens the pipe.
For the flame retardant function, mineral hydroxides work by endothermic decomposition that absorbs heat and releases water vapor, diluting the flammable gases near the flame. Intumescent systems form a swollen char layer that insulates the underlying polymer and blocks oxygen. The choice affects processing: high filler loadings raise torque and can scorch if the melt temperature runs too high, while too low a loading fails the vertical flame or oxygen index test. The line must hold a stable melt temperature band so the compound is processed consistently shift after shift.
A third function, sometimes required, is low smoke and low toxicity. In a mine fire the smoke, not the flame, often kills first. Halogen free formulations support this goal, and the extrusion line simply has to process the halogen free package without degradation. The line therefore needs accurate temperature zoning, good mixing without excessive shear heating, and melt pressure stability that protects both product quality and downstream tooling.
Extrusion Line Architecture for Mine Vent Pipes
A mine vent パイプ押出ライン is a パイプ押出ライン tuned for a large diameter, heavily filled, safety graded compound. The core sequence is material handling, plasticizing, die forming, sizing and cooling, haul off, cutting or coiling, and downstream inspection. Each stage is adapted to the mine specification.
The plasticizing unit is most often a single screw extruder because HDPE pipe compounds are well suited to single screw plasticization and the screw is simpler and cheaper to maintain than a twin screw. For very high filler loadings or when a masterbatch must be compounded in line, a co rotating twin screw or a conical twin screw feeder can be used ahead of the main extruder. The single screw barrel carries multiple temperature zones so the melt is gradually raised to the processing window without local overheating that would degrade the flame retardant.
The die forms the pipe. For a smooth wall mine duct the die is a standard pipe die with a mandrel and a calibration sleeve that fixes the outside diameter by vacuum sizing. For a corrugated mine auxiliary pipe the die feeds a corrugator that shapes the annular profile between moving mold blocks. An important variant for mine pipe is co extrusion of an anti static inner layer: a thin conductive rich layer is extruded at the bore so the dust contact surface has the lowest possible resistivity, while the structural wall uses a less loaded compound. 共同押出 demands a co extrusion feed block and precise layer ratio control.
After the die the pipe passes through a vacuum calibration tank and a spray cooling tank. Large diameter pipe needs long, stable cooling because the wall is thick and the line runs slowly. The haul off is a multi caterpillar or belt type sized for the pipe weight. Cutting is by planetary saw for large diameters or by coiling for smaller flexible ducts. Throughout, a PLC based control system sets and holds screw speed, melt pressure, vacuum, cooling, and line speed, and records the data for traceability.
Material feeding deserves special attention for mine pipe. Because the safety grade depends on the additive percentage, a volumetric feeder that drifts with bulk density will quietly change the carbon black and flame retardant loading and move the pipe out of spec. A gravimetric loss in weight feeder holds the ratio by mass and is the recommended configuration for mine duty lines, especially when recycled content is blended in. Where melt pressure stability is critical, a melt pump can be placed after the extruder to isolate the die from screw surging, giving a steadier wall thickness and a calmer process window for the flame retardant compound.
Vacuum sizing and cooling are the stages that fix the outside diameter and roundness of a large bore pipe. For mine trunk ducts the calibration sleeve must be long and well supported, and the spray cooling tanks must remove heat uniformly to avoid ovality that would complicate jointing underground. The haul off must grip without marking the conductive surface, since a scored outer wall still conducts but a crushed section changes the airflow profile. Faygo sizes the haul off caterpillars and the calibration length to the largest diameter in the customer’s product range so the line is not the bottleneck when the order book shifts toward bigger airways.
Faygo lines use internationally renowned brand electrical components and an intelligent control system that lets the operator freely set parameters and adjust them in real time. Before delivery every line runs a 72 hour continuous operation test so commissioning risk at the customer site is minimized.
Faygo HDPE Mine Vent パイプ押出ライン
このアプリケーションの主力構成は、抗静電性と難燃性のHDPE合成物向けに設計された大径のシングルスクリュー管押出ライン「Faygo HDPE mine ventilation パイプ押出ライン」です。このラインは、鉱山の通気路が200ミリメートルから1200ミリメートルの直管を必要とする場合に、圧力クラスと取り扱い要件によって壁厚が設定される、堅牢または半堅牢な滑らかな壁のダクトとして最適です。
This line is built on Faygo’s general HDPE, PE, PVC, and PP pipe extrusion know how, where the pipe extrusion scope covers diameters from 12 millimeters up to 575 millimeters with wall thickness up to 6.5 millimeters for standard water, drainage, gas, communication, and agricultural irrigation pipes. For mine ventilation the line is specified as a large diameter variant with reinforced calibration, longer cooling, and a higher torque drive to handle the filled compound. The model is offered with screw diameters of 65, 75, 90, 120, and 150 millimeters and L/D ratios from 30 to 36, selected by the target output and diameter.
Key selling points for the mine duty version are stable melt temperature control for flame retardant compounds, a heavy duty haul off that handles thick wall large bore pipe, and optional co extrusion of the anti static inner layer. The line accepts both virgin and recycled grade HDPE blends, which supports lower material cost without leaving the safety envelope, provided the additive masterbatch is metered correctly.
| パラメータ | Faygo HDPE鉱山用通気管ライン | Notes |
|---|---|---|
| Pipe material | Anti static HDPE, flame retardant HDPE | Carbon black and FR additive compounded |
| パイプの口径の範囲 | 200 to 1200 mm | Smooth wall main airway duct |
| Wall thickness | 4 to 30 mm | By pressure class and handling |
| エクストラーダーの種類 | Single screw, optional twin screw compounder | Barrel with multi zone temperature control |
| Screw diameter | 65 / 75 / 90 / 120 / 150 mm | Selected by diameter and output |
| L/D ratio | 30 to 36 | Longer L/D for filled compound |
| Output | 250 to 1200 kg/h | 直径と壁によって異なります |
| Haul off | Multi caterpillar, servo controlled | Sized for pipe weight |
| 共同押出 | Optional anti static inner layer | Layer ratio controlled |
| コントロールシステム | PLC with HMI, real time adjust | Internationally renowned components |
| Pre delivery test | 72 hour continuous run | CE and ISO certified line |
Faygo 単壁波形パイプ押出ライン
The second relevant module is the Faygo PE, PP, and PVC single wall corrugated パイプ押出ライン. In mine service this line produces smaller diameter, lighter, and more flexible corrugated ducts used for branch ventilation, local exhaust at the face, dust collection drops, and dewatering lines where rigidity is less important than flexibility and weight.
The standard Faygo corrugated line covers diameters from 6 millimeters up to 200 millimeters, which maps well onto the auxiliary mine pipe needs below the main airway size. Corrugated geometry gives high ring stiffness for its weight and lets the pipe bend around obstructions in a development heading. For mine use the same anti static and flame retardant masterbatch is fed at the hopper, and because the wall is thinner than a main duct, dispersion quality is even more visible in the test results.
This line pairs a single screw extruder with a corrugator and a winder or cutter. It is a good companion to the large diameter mine vent line: a mine pipe converter can run main airways on the HDPE mine vent line and branch and dewatering pipe on the corrugated line from one supplier, sharing spare parts, control philosophy, and service relationship. Both lines carry Faygo’s 72 hour pre delivery test and CE and ISO certification.
| パラメータ | Faygo Single Wall Corrugated Line | Notes |
|---|---|---|
| Pipe material | PE, PP, PVC, anti static grade available | FR masterbatch optional |
| 直径の範囲 | 6 to 200 mm | Mine branch and dewatering pipe |
| Structure | Single wall corrugated | High stiffness to weight |
| エクストラーダー | Single screw | Matched to diameter |
| Corrugator | Mold block type | Closed loop cooling |
| Take up | Winder or cutter | Coil or fixed length |
| Output | 20 to 250 kg/h | Scales with diameter |
| コントロール | PLC with HMI | Real time parameter setting |
| Certification | CE and ISO | 72 hour pre delivery test |
生産ライン 仕様書 Table
The table below summarizes the core machine models of the Faygo HDPE mine vent pipe line so a buyer can see how screw size, length to diameter ratio, and drive power translate into diameter coverage and output. These are planning figures; the final offer is fixed after the compound recipe and the target pipe schedule are confirmed.
| モデル | ねじ径（mm） | L/D | Drive (kW) | Diameter Coverage (mm) | Output (kg/h) |
|---|---|---|---|---|---|
| FG PV 65 | 65 | 33 | 55 | 200 to 400 | 250 to 380 |
| FG PV 75 | 75 | 33 | 75 | 250 to 500 | 350 to 520 |
| FG PV 90 | 90 | 34 | 110 | 315 to 630 | 480 to 700 |
| FG PV 120 | 120 | 35 | 185 | 500 to 900 | 650 to 950 |
| FG PV 150 | 150 | 36 | 280 | 800 to 1200 | 900 to 1200 |
駆動力の数値は目安であり、標準的な静電気防止HDPE鉱山混合物を前提としています。非常に高い充填量やインライン混合ツインスクリューによって、駆動力と出力の関係が変化します。Faygoのエンジニアは、パイプスケジュール、添加物パッケージ、および必要なライン速度を確認した上で、正確なモデルを確認します。
Pipe Diameter to 回線構成 Mapping
Mine ventilation design fixes the duct diameter from the required air quantity and the allowable friction loss. The table maps typical mine duct diameters to the recommended Faygo line configuration so the buyer sizes the extrusion equipment to the product mix rather than over buying capacity.
| Duct 直径(mm) | Mine Use | 推奨ライン | Screw (mm) | Output Need |
|---|---|---|---|---|
| 200 to 315 | Branch airway, face exhaust | FG PV 65 or 75 | 65 to 75 | Low to medium |
| 315 to 500 | District ventilation ring | FG PV 75 or 90 | 75 to 90 | Medium |
| 500 to 800 | Main intake or return airway | FG PV 90 or 120 | 90 to 120 | Medium to high |
| 800 to 1200 | Primary mine airway trunk | FG PV 120 or 150 | 120 to 150 | High |
| 6 to 200 | Flexible branch, dewatering | Corrugated line | Matched | Low to medium |
A converter serving both a mine owner and general HDPE pipe markets can justify the larger FG PV 120 or 150 because the same line also produces large diameter HDPE water and gas pipe within Faygo’s standard pipe extrusion scope. This dual use raises the capacity utilization of the investment and shortens the payback measured against a single product line.
Anti Static and Flame Retardant Performance
完成したパイプは、レシピだけでなく、測定された電気的および火災特性によって判断されます。表には、耐静電HDPE鉱山換気パイプの典型的な受け入れ基準とそれぞれのテストロジックが記載されています。正確な限界は適用される鉱山安全規格に従います。お客様が要求する場合には、Faygoは出荷前にライン上でサンプルパイプを検証します。
| 特性 | Target | Test Logic | Why It Matters Underground |
|---|---|---|---|
| Surface resistance, inner | ≤ 1e9 ohm | Electrometer on clean surface | Bleeds charge from dust laden air |
| Surface resistance, outer | ≤ 1e9 ohm | Electrometer on outer wall | Prevents spark at hangers and joints |
| Volume resistivity | Low, compound dependent | Three electrode method | Confirms bulk conductivity |
| Flame retardancy | Self extinguishing per MT 113 | Vertical flame or tunnel test | Stops flame spread along airway |
| Oxygen index | Per specification | Limiting oxygen index | Measures ease of ignition |
| Smoke density | Low smoke where required | Smoke chamber | Protects escape routes |
| Tensile and impact | Per pipe standard | After conditioning | Survives handling and blast |
Because conductivity and flame retardancy both depend on additive dispersion, the extrusion line is the real quality gate. A line that surges in melt pressure or wanders in temperature will make pipe that passes on some meters and fails on others. Stable processing, verified by the 72 hour pre delivery run, is what lets the pipe maker ship certifiable product.
規格と認証
鉱山排気管は、石炭および金属鉱山の安全管理当局によって規制されます。サプライヤーが参照すべき規格の一連には、石炭鉱山の安全のためのMTシリーズ、プラスチックパイプのためのGB/T国際規格、および液体に耐える熱可塑性管のためのISO 4433シリーズがあります。静電気防止限界は、通常、1e9オーム以下の表面抵抗として表され、防火性の要件は鉱山火災安全試験に従います。
ガラス繊維の中間層は、15% から 20% の短いガラス繊維が混入された PPR を用いるのが一般的です。カップリング剤は不可欠であり、無ければ繊維が引き出され、層の剛さがほとんど向上しません。EVOH の場合、高エチレン含有率の刻には通過性と柔軟性が高く、低いエチレン含有量の刻は最も強く、酸素バリアを確保するがより脆弱であることから、ラインは安定した薄い層を維持する必要があります。アルミニウムとプラスチックの場合、アルミニウム箔は厚さと温度変化の関係で指定され、ティーレジンは酸化したアルミニウムと PPR を耐えられるようにチューリングスせなければなりません。
バイヤーは、地域によって規格が異なることに注意する必要があります。ある鉱山安全規制のために供給されたラインは、別の規制のために別の添加マスタバッチや別の試験プロトコルが必要になる場合があります。Faygoは、規格をラインオファーの入力として扱い、後付けではなく、プロセス設定が変更された場合は、レシピ変更ではなく、再設計作業になるようにします。
Model Selection Recommendation Table
選択表は、鉱山要件を推奨のFaygoモデルに変換します。これは計画支援であり、最終的な選択には、使用可能な床面積、電源、冷却水容量、およびラインが標準HDPE配管と水およびガス配管を同時に使用するかどうかも考慮されます。
| Mine Requirement | Duct Type | Recommended Faygo Model | Reason |
|---|---|---|---|
| Small mine, branch ducts only | 200 to 315 mm smooth | FG PV 65 | Lowest cost, right output |
| Medium district ventilation | 315 to 500 mm smooth | FG PV 75 or 90 | Balanced capacity |
| Main return airway | 500 to 800 mm smooth | FG PV 120 | High output, thick wall |
| Primary trunk airway | 800 to 1200 mm smooth | FG PV 150 | Largest bore, max throughput |
| Flexible face and dewatering | 6 to 200 mm corrugated | Corrugated line | Light, bendable, low cost |
| Recycled content blend | Any above | Same model plus gravimetric feeder | Holds additive ratio |
| In line compounding | Any above | Single screw plus twin screw compounder | Disperses FR and carbon black |
Conventional vs Anti Static Line Comparison
A buyer sometimes asks whether a standard HDPE pipe line can make mine vent pipe. The honest answer is that the base machine is similar, but the mine duty line differs in the details that control safety grade quality. The comparison below shows where the two diverge so the buyer understands the value of the specialized configuration.
| 形状 | Conventional HDPE Pipe Line | Faygo Anti Static Mine Vent Line |
|---|---|---|
| Compound handled | Clean or lightly filled HDPE | High carbon black and FR loading |
| Screw and barrel | 標準窒化物d | Wear resistant, longer L/D |
| Mixing | Basic | 透過性が高いと、浸透性が高くなります |
| 溶融温度 control | Standard zones | 密接な帯は、FR安定性を維持します |
| 共同押出 | オプション | Anti static inner layer available |
| Sizing and cooling | 標準 | Reinforced for thick large bore |
| Quality evidence | Dimensional only | Process record plus sample test support |
| 投資レベル | Lower | Medium to high |
投資ギャップは、規制された鉱山安全市場で売れることで回収されます。抗静電性と難燃性のパイプは品質のプレミアムを持っており、一貫した認定結果からの繰り返し注文が得られます。従来のラインは、充填された合成物で表面抵抗目標を達成することはできません。
適用分野 and End Products
表題的な用途は石炭および金属鉱山の換気ですが、同じ抗静電性HDPEパイプラインは、導電性の、炎に強いダクトが必要な、いくつかの密接に関連した産業に役立ちます。
炭鉱採掘では、パイプはインテーク、リターン、および補助フェイス換気のための強制換気空路であり、また、物質が許容されている場合には、ダスト抑制用水路およびメタン排水にも使用されます。金属および非金属鉱山では、パイプは傾斜、上昇、および開発ヘッディングにおいて同じ排気およびダスト除去機能を果たします。トンネルや地下の民間施設、例えば鉄道、道路、および水力発電トンネルでは、パイプはディーゼル排気および岩ダストを除去するための建設段階の換気を提供します。可燃性ダストを抱える工場、例えば穀物取扱、木材加工、および化学工場では、静電気防止パイプは、集まったダストの静電気発火を防ぎます。
Faygoの広範なパイプ押出装置の適用範囲は、給水、排水、ガス、通信、および農業用灌漑パイプにも及んでいます。そのため、鉱山換気パイプを購入するお客様は、同じ資産を使用してこれらの市場に対応できます。Faygoがサポートする業界ソリューションには、建設、大口径HDPEガスおよび水パイプの市民工学、農業用灌漑、通信および電力ケーブル保護パイプなどがあります。この幅は、単一の市場の変動に対するお客様を保護します。
プロセスフローと品質管理
Faygo鉱山排気ラインの典型的な生産工程は、固定された順序に従います。まず、HDPEベース樹脂と静電気防止、難燃性マスターバッチを計量し、混合します。理想的には、添加量をグラム単位で保つグラビタリアルドシステムを使用します。混合物を単一スクリュエキストラクターに供給し、バレルゾーンで溶融と混合の段階を通過させます。ダイでパイプが形成され、キャリブレーションスリーブで真空下で外径が固定されます。パイプはスプレー冷却タンクを通過し、厚い壁が固化します。
The haul off pulls the pipe at a constant speed matched to extrusion, the printer marks identity and batch, and the planetary saw or coiler finishes the length. Through all of this the control system logs screw speed, melt pressure and temperature, vacuum, cooling water temperature, and line speed. That log is the traceability record a mine safety auditor may ask for.
Faygoでの品質管理は、ラインが工場を出る前に始まります。すべてのラインは、72時間の連続運転テストを実施して、弱い部品、温度の変動、または不安定なハウロフが、Zhangjiagangではなく、顧客サイトで発見されるようにします。設置後、お客様はサンプルカットで表面抵抗と炎性挙動を確認でき、Faygoは、認定結果を再現するためのプロセスレシピを提供します。リサイクルコンテンツを使用することを計画している場合、Faygoは、グラビテーションフィーダーと定められたリグレイン比を推奨し、電気伝導率を限界内に維持します。
サービス、サポート、およびオープンファクトリーポリシー
鉱山排気管パイプラインを購入することは、長い関係の始まりであり、FaygoはWanplas工場として、同社のWanplasサービス約束に基づいて機器をサポートしています。パッケージには、カスタマイズされたトウケイソリューション、厳格な品質管理（出荷前の72時間の連続運転テスト）、USD 500の無償スペアパーツ年間供給、および損傷した部品の保証交換が含まれています。テクニカルヘルプは、24/7のオンラインサポートを通じて利用でき、エンドツーエンドサービスは、選択、設計、製造、設置、試運転、トレーニング、および保守をカバーします。
Faygo は、工場のコンサルティングサービスも提供しています。このサービスでは、空き地を稼働中の工場に変えるため、水と電気の設計、工場敷地のレイアウト（3次元ワークショップの計画を含む）、労働者の構成とトレーニング、新しい工場の建設（トータルコンダクトプロジェクトとして）、古い機械の交換（最小限のダウンタイムで）、および生産能力の拡大（ボトルネックをほぼ倍にする）を行います。こうしたサービスは、パイプコンバーターを扱う鉱山の方々にとって重要です。彼らはしばしば、専用の安全製品ラインを新しく建設したり、改修したりしています。
オープンファクトリー方針は、お客様に張家港工場をご見学いただくことを歓迎しています。ラインが動いているのを見ていただき、上海空港から2時間の距離にある26,650平方メートルのパイプ、プロファイル、シート押出工場をご覧いただけます。22年の経験、3つの専門工場、8つの発明特許を含む13の国際特許を持つFaygoは、単なる約束ではなく、実証可能な能力でマインエンベントパイプ装置を裏付けています。
よくある質問
What diameter range can the Faygo mine vent pipe line produce?
大口径の鉱山換気用パイプは、200ミリメートルから1200ミリメートルまでの滑らかな壁の静電気防止HDPEパイプをカバーしています。また、付随するコルゴンパイプは、分岐および脱水用パイプとして6から200ミリメートルまでカバーします。正確な直径は、ラインに付属のダイと校正スリーブによって設定されます。
Why is surface resistance limited to 1e9 ohm?
That limit keeps the pipe conductive enough that electrostatic charge from moving dust laden air dissipates to ground instead of building to a spark. A spark in a methane laden mine airway is an ignition source, so the surface resistance target is a life safety number, not a cosmetic one. Both inner and outer surfaces are checked.
Can a standard HDPE pipe line make mine vent pipe?
Only with upgrades. The base machine is similar, but the mine duty line needs wear resistant screw and barrel, higher dispersion mixing, tighter melt temperature control, and often co extrusion of the anti static inner layer. Without those, a filled compound will not reach a stable, low surface resistance. See the conventional versus anti static comparison table.
Does the line handle recycled HDPE?
Yes. The line accepts virgin and recycled grade HDPE blends, which lowers material cost. To keep conductivity inside the limit, Faygo recommends a gravimetric feeder and a defined regrind ratio so the anti static and flame retardant masterbatch stays at the correct percentage.
What standards apply to the finished mine pipe?
The pipe is judged against mine safety standards such as the MT series, GB/T national pipe standards, and ISO 4433 for thermoplastics pipes resistant to fluids, with the anti static limit commonly expressed as a surface resistance below 1e9 ohm and the flame retardant requirement per the relevant mine fire test. The equipment itself is built to CE and ISO certified quality systems.
Faygoは納品前にラインが動作することをどのように証明しますか？
Every line runs a 72 hour continuous operation test at the factory, exercising the extruder, cooling, haul off, and control system under production like conditions. Faygo also supplies the documented process recipe and, where required, supports sample pipe trials so the buyer can validate surface resistance and flame behavior.
What after sales support comes with the line?
Support includes USD 500 free spare parts per year, warranty replacement of damaged parts, 24/7 online technical help, on site installation and commissioning, operator training, and the open factory policy. Turnkey factory consulting covers layout, utilities, staffing, and capacity expansion.
Talk to Faygo About Your Mine Vent Pipe Line
If your operation needs anti static HDPE mine ventilation pipe for underground exhaust and dust removal, Faygo, a Wanplas factory, can configure the right extrusion line for your diameter range, output target, and mine safety standard. Share your duct schedule, the additive package you plan to use, and your available floor space and utilities, and the engineering team will propose a model from the FG PV series or the corrugated line, with the co extrusion and in line compounding options sized to your product. Visit the Zhangjiagang workshop, review the 72 hour test practice, and discuss the turnkey support that takes your mine vent pipe production from plan to certified output.
