CN105526498A

CN105526498A - Environment-friendly natural gas extraction equipment

Info

Publication number: CN105526498A
Application number: CN201610043611.3A
Authority: CN
Inventors: 徐浩钟
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-24
Filing date: 2016-01-24
Publication date: 2016-04-27

Abstract

The invention discloses environment-friendly natural gas extraction equipment. A gas pumping shell and electromagnetic coils are mounted in a protective shell of the environment-friendly natural gas extraction equipment; the electromagnetic coils are arranged on the outer surface of the gas pumping shell; the lower end of the gas pumping shell is fixed in the protective shell; a gas outlet valve is fixed in a central hole in the gas pumping shell; an iron core spring and an iron core piston are arranged in the gas pumping shell; the iron core spring is pressed on the iron core piston; a gas inlet channel of a gas inlet cavity is sealed by a gas-passing sealing plate, and a gas inlet channel of an extrusion cavity is sealed by a sealing cap; a limiting hole plate is fixed in a limiting hole in the upper end of the iron core piston; and the sealing cap is mounted on the ring-shaped sealing surface of the iron core piston. The environment-friendly natural gas extraction equipment is compact in structure, is small in vibration, is high in electric energy utilization rate, is strong in power, is high in efficiency of extracting the natural gas, and is suitable for extracting the natural gas in a natural gas well.

Description

Natural gas facility is extracted in environmental protection

Technical field

The present invention relates to natural gas extraction technical field, particularly relate to a kind of environmental protection of taking out pressure rock gas and extract natural gas facility.

Background technique

The extraction of traditional rock gas adopts the inflating pump compressed natural gas of connecting rod to extract, the large inefficiency of volume of the inflating pump of connecting rod.For this reason, we have devised the rock gas extracting device that volume is little, pumping efficiency is high.

Summary of the invention

The object that the present invention relates to is in order to provide a kind of manufacture and the method thereof that utilization rate of electrical is high, natural gas facility is extracted in environmental protection that is that efficiently take out pressure rock gas.

For achieving the above object, environmental protection extraction natural gas facility of the present invention mainly comprises protecting crust, electromagnetic coil, pump gas shell, inlet hole, crosses airtight shrouding, sealed cap, sealing cone or ball sealer, iron core spring, ferrite core piston, restriction orifice, internal taper hole, vent, gas outlet valve, field controller; Or described environmental protection is extracted natural gas facility and is mainly comprised protecting crust, electromagnetic coil, pump gas shell, inlet hole, crosses airtight shrouding, sealed cap, sealing cone or ball sealer, iron core spring, ferrite core piston, restriction orifice, internal taper hole, vent, gas outlet valve, field controller, electronic remote controller.

In protecting crust, be provided with electromagnetic coil, electromagnetic coil is fixed on the upper part outside pump gas shell, and protecting crust is fixed on the outside protection electromagnetic coil on the top of pump gas shell; Below the outside of protecting crust, one side is fixed with foot rest, and the lower end of foot rest is lower than the position of the inlet hole of pump gas shell lower end.

The circuit connecting electromagnetic coil is connected with field controller, the circuit of field controller is connected with electronic remote controller, electronic remote controller is connected with insulated electric conductor, and the electronic signal receiver of field controller, electronic remote controller and electronic remote controller is arranged in protecting crust; Or the circuit connecting electromagnetic coil is connected with field controller, and the circuit of field controller is connected with insulated electric conductor, and field controller is arranged in protecting crust.

Airtight shrouding, iron core spring, ferrite core piston, sealed cap, restriction orifice were installed in pump gas shell, iron core spring fitting is at the upper part of the inner chamber of pump gas shell, ferrite core piston is arranged on the lower part of the inner chamber of pump gas shell, iron core spring be pressed in ferrite core piston upper end portion or be pressed in be fixed on ferrite core piston upper end portion restriction orifice on, ferrite core piston can slide up and down in the inner chamber of pump gas shell; At the restricted orifice plate of spacing hole internal fixtion of ferrite core piston upper end, the annular sealing surface of the sealing neck end in point compression of the upper part of ferrite core piston there is the inner sealing surface of sealed cap to coordinate with it, sealed cap can move up and down between compression and restriction orifice in dividing of ferrite core piston, and sealed cap coordinates the gas-entered passageway that can seal or open the extrusion chamber entered in pump gas shell with the annular sealing surface of ferrite core piston; Seal at the protrusion platform of the lower end that the inside lower part of pump gas shell was provided with in airtight shrouding and pump gas shell; Cross airtight shrouding coordinate with the annular sealing surface protruding platform and can seal or open the gas-entered passageway entered in pump gas shell; When ferrite core piston is up, the inner chamber part of the pump gas shell of ferrite core piston lower part is air-inlet cavity; When ferrite core piston is descending, the inner chamber part of the pump gas shell of ferrite core piston upper part is extrusion chamber.Be fixed with suction tude at the air inlet position of the lower end of pump gas shell, the endoporus of suction tude communicates with inlet hole; Be provided with gas outlet valve in the upper end of pump gas shell, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of pump gas shell; The part that the upper-end surface of pump gas shell is exposed in the upper end of gas outlet valve is connected with the pipeline of transport gas by flexible pipe or hard tube.

The material of described protecting crust is the material of a type in metal, plastics, nylon, glass fibre reinforced plastics or the composite material of several types; The material of a type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of sealed cap, hollow valve body and pump gas shell or the composite material of several types; Seal the material of a type in cone and ball sealer employing metal, plastics, nylon and rubber or the composite material of several types; Cross the material of a type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of airtight shrouding or the composite material of several types; The material of ferrite core piston is the material of the hard to bear magnetic field suction of energy.

Described protecting crust is the hollow cavity of annular, hollow cavity has string holes, is provided with electromagnetic coil and field controller in hollow cavity, or, electromagnetic coil, field controller and electronic remote controller are installed in hollow cavity; The inner of the annular housing of hollow cavity is fixed on pump gas shell; String holes is the hole allowing insulated electric conductor pass.

For the ease of protecting crust processing and be convenient to accessory to load in protecting crust, described protecting crust is the assemblying body after segmentation, and after the annular position of protecting crust is divided into two parts, recombinant is together.

The inner chamber of described pump gas shell is circular cylindrical cavity, and the cylndrical surface of columniform cavity is smooth curved surface; Upper end on the center line of inner chamber has that center hole passes pump gas shell, lower end has inlet hole to pass pump gas shell; There is protrusion platform protruding upward at the middle part of the lower end in pump gas shell, the upper end portion of protruding platform is annular sealing surface, the inside of protruding platform is inlet hole, air-inlet cavity when airtight shrouding was not installed in the upper end portion of protruding platform in pump gas shell communicates with inlet hole, and the annular sealing surface protruding platform coordinates with one side below the airtight shrouding of mistake; Described annular sealing surface is smooth, smooth planar annular, to coordinate respectively and the upper end of protrusion platform in pump gas shell coordinates with the sealing surface crossed below airtight shrouding in the upper end of sealing neck of ferrite core piston with the inner sealing surface of sealed cap.

Described gas outlet valve comprises hollow valve body and sealing is bored or ball sealer, and hollow valve body is hollow tubular, and internal taper hole is in the middle part of the inner chamber of hollow tubular or middle and lower part, and the internal diameter of the upper part of the internal taper hole in hollow tubular internal diameter that is large, lower part is little; There is return-air sealed end the lower end of hollow valve body, the lower end surface of return-air sealed end in the lower end of hollow valve body, upper-end surface is internal taper hole, the large end of internal taper hole communicates with the upper end of gas outlet valve, small end communicates with the lower end of gas outlet valve, and the inner conical surface of internal taper hole is provided with sealing cone or ball sealer; Can open when being with the gas of pressure from the endoporus of hollow valve body lower end inner conical surface with sealing bore or ball sealer sealing and form passage.

For the ease of pump gas shell processing and be convenient to accessory to load in pump gas shell, described pump gas shell is the assemblying body after segmentation; The upper end of the circular cylindrical cavity part in pump gas shell is divided into two sections, the main body that the upper part of segmentation place is pump cover, lower part is pump gas shell, center hole is on pump cover, and inlet hole is at the middle part of the main body lower end of pump gas shell, and the body combination of pump cover and pump gas shell becomes a composite entity; Or, the lower end of the circular cylindrical cavity part in pump gas shell is divided into two sections, the main body that the lower part of segmentation place is pump cover, upper part is pump gas shell, inlet hole is at the middle part of pump cover, center hole is at the middle part of the upper end of the main body of pump gas shell, and the body combination of pump cover and pump gas shell becomes a composite entity.

Described ferrite core piston is columniform iron core, the limited location hole, position of the center line of columniform iron core, point compression, vent and receiving bore; The limited location hole, upper end of columniform iron core is a point compression below spacing hole, is vent below the middle part of point compression; The inner ring of point compression is sealing neck, and the inside of sealing neck is one section above of vent, and the upper end of sealing neck is annular sealing surface, and annular sealing surface is lower than the upper end of the periphery of point compression; When the upper inner sealing surface not installing sealed cap and sealed cap of the periphery of the sealing neck of ferrite core piston does not seal with annular sealing surface, vent communicates with a point compression with the receiving bore of ferrite core piston lower end; Spacing hole is used for fixing restriction orifice, and point pore is for disperseing the gas that passes through and guiding gas to enter air passing hole on restriction orifice; The periphery of columniform iron core is smooth periphery, and smooth periphery has the annular groove of depression, and annular groove is embedded with seal ring; Periphery coordinates with the inner chamber of pump gas shell can the inner chamber of canned pump gas shell, and can slide in the inner chamber of pump gas shell.Described spacing hole is the rounded face of circular hole circular hole is inlay restriction orifice stationary plane, and the annular bottom surface of circular hole is the face that restrict orifice plate inlays the degree of depth; A described point compression is divided into two sections, and the part above sealing neck is circular hole, and the exterior portion of sealing neck is the groove of ring, and the periphery of the periphery of circular hole and the groove of ring is connected, and circular hole communicates with vent; Described vent is the hole communicated with air-inlet cavity and point compression.

Described annular sealing surface is the smooth sealing surface of ring, and annular sealing surface to coordinate with the inner sealing surface of sealed cap in the upper end of sealing neck of ferrite core piston respectively and the upper end of protrusion platform in pump gas shell coordinates with the sealing surface crossed below airtight shrouding.

Described internal taper hole is the circular hole having tapering, the face of circular hole is inner conical surface, inner conical surface and the mating spherical surfaces sealing male cone (strobilus masculinus) or the ball sealer of boring, can inner conical surface be sealed under the effect of the gravity of sealing cone or ball sealer self, inner conical surface can be opened with sealing by suction when cone or ball sealer have above suction and bore or the passage of ball face sealing of ball sealer sealing; The air pressure sealed above cone or ball sealer is larger, and the gluing, sealing effect of sealing cone or ball sealer and inner conical surface is better.

Described restriction orifice has the plate of air passing hole or meshed spacing net, and the anchor ring being embedded in spacing hole is adjacent to the base ring face of spacing hole; Air passing hole and mesh are used for allowing rock gas pass through.

Described sealing cone is cone or cone cylinder, and the periphery of cone or cone cylinder is smooth male cone (strobilus masculinus); The male cone (strobilus masculinus) of sealing cone and inner conical surface press down by the self gravitation sealing conisphere and seal inner conical surface when sealing.

Described ball sealer is spherosome or oval ball, and the periphery of spherosome or oval ball is sealing surface, and sealing surface is smooth sphere; To bore or the self gravitation of ball sealer presses down and seals inner conical surface by sealing when sealing cone or the sphere of ball sealer and inner conical surface seal.

The airtight shrouding of described mistake is circular flat board, and the part that below dull and stereotyped, one side coordinates with the upper end portion of protruding platform is sealing surface, and the part beyond the dull and stereotyped upper end portion with protruding platform coordinates has passing hole; The sealing surface crossing airtight shrouding is used for coordinating with the annular sealing surface protruding platform upper end, and passing hole is used for allowing rock gas pass through.

Described sealed cap is the circular pipe type cap body of top seal, and it is inner sealing surface that the inner top of sealed cap divides, and the cylindrical parts near inner sealing surface has air passing hole.

Described field controller controls the controller that generates an electromagnetic field of electromagnetic coil, control time and the time length generated an electromagnetic field that electromagnetic field produces and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time.

Described electronic remote controller connects and cuts off the circuit switch generated an electromagnetic field, and comprise the switch sections and electronic telecontrol part that switch on or off circuit, electronic telecontrol part comprises remote controller switch and electronic signal receiver; Remote controller switch is used for staff and carries with, and is convenient to staff and handles the normal work of environmental protection extraction natural gas facility and cut off the control circuit that natural gas facility is extracted in environmental protection; Described electronic remote controller can have in the present invention, also can not have.

Described suction tude connects the inlet hole of pump gas shell and the hollow tubular being connected the pipeline exporting rock gas in gas well.

Described inlet hole be rock gas enter the inner chamber of pump gas shell through air passing hole, protruding the center portion of platform, inlet hole communicates with the inner chamber of pump gas shell.

In air-inlet cavity, lay in rock gas, in extrusion chamber, extrude rock gas and produce air pressure; When entering rock gas in extrusion chamber, air-inlet cavity communicates with extrusion chamber; When getting rid of rock gas in extrusion chamber, air-inlet cavity is sealed by the internal taper hole in sealing cone or ball sealer and ferrite core piston and is disconnected the gas-entered passageway entering extrusion chamber.

Described environmental protection extracts natural gas facility in the process of taking out pressure rock gas, control into rock gas passage and go out rock gas passage one-way check valve in there is no return spring; When air-inlet cavity enters rock gas, the opened airtight shrouding of suction of the up generation of ferrite core piston with protrude the sealing of platform and the passage opened into rock gas, be arranged on sealed cap on the sealing neck in ferrite core piston automatic decline return and close the passage entering rock gas entered in extrusion chamber and seal under the effect of self gravitation; When extrusion chamber enters rock gas, being arranged on the sealing cone of the internal taper hole of gas outlet valve or ball sealer utilizes the gravity of self to make sealing cone or ball sealer decline return and the passage of closing the discharge rock gas on gas outlet valve seals automatically, and ferrite core piston is descending and make to produce pressure in air-inlet cavity and promote sealing cone or the up passage entering rock gas entered in extrusion chamber of then opening of ball sealer; When extrusion chamber extrudes rock gas, under the effect of outlet pressure, promote sealing cone on the internal taper hole of gas outlet valve or ball sealer up and open the passage of the discharge rock gas of gas outlet valve, the sealed cap be arranged on the sealing neck in ferrite core piston utilizes the gravity of self to make sealed cap decline return and the passage entering rock gas of closing in ferrite core piston seals automatically.

In order to ensure that environmental protection is extracted natural gas facility and can normally be worked, field controller is adopted to control connection and the cut-out of the connecting circuit of electromagnetic coil.

Keep shape in order to ensure protecting crust to protect electromagnetic coil and be not easy distortion, the cavity of protecting crust manufactures the skeleton having support.

In order to enable the rock gas in the air-inlet cavity in ferrite core piston driving pump gas shell enter in extrusion chamber, iron core spring is adopted to move down as promotion ferrite core piston the power rock gas in air-inlet cavity being clamp-oned extrusion chamber.

During use, inlet end environmental protection being extracted the suction tude of natural gas facility is connected with the pipeline that the rock gas in gas well exports.There is no electronic remote controller, directly connect the power-on circuit of circuit switch and the field controller to be connected with insulated electric conductor; Have electronic remote controller, electronic signal receiver connects the circuit of electronic remote controller and field controller after receiving activating signal; The power-on circuit that field controller connects electromagnetic coil generates an electromagnetic field; The pressure that the attraction force that electromagnetic field produces pulls ferrite core piston to overcome iron core spring moves up, when ferrite core piston starts up, be arranged on sealed cap on the sealing neck in ferrite core piston descending return and close the passage that rock gas enters extrusion chamber under the effect of the gravity of self; When ferrite core piston is up, ferrite core piston up and make the rock gas in extrusion chamber create pressure, have the rock gas of pressure from the endoporus of the sealed end of gas outlet valve lower end enter into internal taper hole in gas outlet valve promote sealing cone or ball sealer up and open the sealing channel of gas outlet valve, make the rock gas in extrusion chamber enter into the pipeline of transport gas or the container containing of transport natural gas through gas outlet valve; Ferrite core piston is when up, ferrite core piston also makes to create pull of vacuum in air-inlet cavity, airtight shrouding was moved in pull of vacuum suction made airtight shrouding separate with the annular sealing surface protruding platform, rock gas to enter into through inlet hole from suction tude and protrudes platform, then the passing hole of passing through on airtight shrouding enter in pump gas shell ferrite core piston below air-inlet cavity in.

Ferrite core piston is up move to the compression stage of compression iron core spring spacing time, the power-on circuit of field controller cutoff solenoid, electromagnetic field disappears, and ferrite core piston is descending under the promotion of iron core spring; When ferrite core piston starts descending, cross airtight shrouding descending and close and enter the gas-entered passageway of air-inlet cavity under the effect of self gravitation, sealing cone in gas outlet valve or ball sealer descending return and seal the inner conical surface of gas outlet valve under the effect of the gravity of self, has cut off the outlet passageway of extrusion chamber; Ferrite core piston is when descending, ferrite core piston promotes the rock gas that enters in air-inlet cavity and makes rock gas produce internal pressure, there is the rock gas of pressure upwards to wash from the annular sealing surface that the vent of ferrite core piston enters into sealing neck upper end sealed cap seal with annular sealing surface open to be shifted and to continue afterwards up, enter in extrusion chamber after the air passing hole on undue pore and restriction orifice.

Ferrite core piston is descending when putting in place under the promotion of iron core spring, sealed cap on sealing neck in ferrite core piston descending annular sealing surface is shut and make rock gas not return air-inlet cavity under the effect of the gravity of self, now, the power-on circuit that field controller connects again electromagnetic coil again generates an electromagnetic field and makes ferrite core piston up; The connection of circulation like this and cut-out circuit, electromagnetic coil is generated an electromagnetic field pull that ferrite core piston is up and to allow iron core spring promote ferrite core piston descending, constantly rock gas pumped and be transported in the pipeline of transport gas or in the container containing of transport natural gas.

A manufacture method for natural gas facility is extracted in environmental protection, it is characterized in that:

During fabrication, the material of a type in protecting crust employing metal, plastics, nylon, glass fibre reinforced plastics or the composite material manufacture of several types; The material of a type in the employing of sealed cap, hollow valve body and pump gas shell metal, plastics, nylon and glass fibre reinforced plastics or the composite material manufacture of several types; Seal the material of a type in cone and ball sealer employing metal, plastics, nylon and rubber or the composite material manufacture of several types; Cross the material of a type in the employing of airtight shrouding metal, plastics, nylon and glass fibre reinforced plastics or the composite material manufacture of several types; Ferrite core piston adopts the material manufacture of the hard to bear magnetic field suction of energy.

Protecting crust creates the hollow cavity of annular, and hollow cavity has string holes, and string holes creates the hole allowing insulated electric conductor pass; Electromagnetic coil and field controller are installed in hollow cavity, or, electromagnetic coil, field controller and electronic remote controller are installed in hollow cavity; The inner of the annular housing of hollow cavity is fixed on pump gas shell.

Conveniently assemble, during fabrication, after protecting crust is divided into two-part manufacture from the place that the shape of centre is maximum, recombinant together for protecting crust.

The inner chamber of pump gas shell creates columniform cavity, and the periphery of columniform cavity creates smooth curved surface; Upper end on the center line of inner chamber manufacture have through pump gas shell center hole, lower end manufactures has inlet hole to pass pump gas shell; The middle part of the lower end in pump gas shell manufactures protrusion platform protruding upward, the upper end portion of protruding platform creates annular sealing surface, the inside of protruding platform creates inlet hole, when airtight shrouding was not installed in the upper end portion of protruding platform, air-inlet cavity in pump gas shell communicates with inlet hole, and the annular sealing surface protruding platform coordinates with one side below the airtight shrouding of mistake; Described annular sealing surface creates smooth, smooth planar annular, and the upper end of sealing neck being manufactured on ferrite core piston respectively coordinates with the inner sealing surface of sealed cap and the upper end that is manufactured on the protrusion platform in pump gas shell coordinates with the sealing surface crossed below airtight shrouding.

Gas outlet valve creates hollow valve body and sealing is bored or ball sealer two-part, hollow valve body creates hollow tubular, internal taper hole is manufactured on middle part or the middle and lower part of the inner chamber of hollow tubular, and the internal diameter that the internal diameter that the upper part of the internal taper hole in hollow tubular manufactures is large, lower part manufactures is little; The lower end of hollow valve body manufactures return-air sealed end, the lower end surface of return-air sealed end is manufactured on the lower end of hollow valve body, upper-end surface creates internal taper hole, the large end of internal taper hole communicates with the upper end of gas outlet valve, small end communicates with the lower end of gas outlet valve, and the inner conical surface of internal taper hole is provided with sealing cone or ball sealer; Can open when being with the gas of pressure from the endoporus of hollow valve body lower end inner conical surface with sealing bore or ball sealer sealing and form passage.

For the ease of pump gas shell processing and be convenient to accessory to load in pump gas shell, described pump gas shell create segmentation processing manufacture after assemblying body; The upper end of the circular cylindrical cavity part in pump gas shell is divided into two sections of manufactures, the main body that the upper part of segmentation place creates pump cover, lower part creates pump gas shell, center hole is manufactured on pump cover, inlet hole is manufactured on the middle part of the main body lower end of pump gas shell, and being combined into after the main body after pump cover and pump gas shell manufactures is a composite entity; Or, the lower end of the circular cylindrical cavity part in pump gas shell is divided into two sections of manufactures, the main body that the lower part of segmentation place creates pump cover, upper part creates pump gas shell, inlet hole is manufactured on the middle part of pump cover, center hole is manufactured on the middle part of the upper end of the main body of pump gas shell, and being combined into after the main body of pump cover and pump gas shell manufactures is a composite entity.

Ferrite core piston creates columniform iron core, and the position of the center line of columniform iron core manufactures limited location hole, point compression and vent; The upper end of columniform iron core manufactures limited location hole, and manufacturing below spacing hole has a point compression, and manufacturing below the middle part of point compression has vent; Divide the inner ring of compression to create sealing neck, the upper end portion of sealing neck creates annular sealing surface, and the upper-end surface of sealing neck creates the upper end of the periphery lower than point compression; When the upper inner sealing surface not installing sealed cap and sealed cap of the periphery of the sealing neck of ferrite core piston does not seal with annular sealing surface, vent communicates with a point compression with the receiving bore of ferrite core piston lower end; The periphery of columniform iron core creates smooth periphery, and smooth periphery manufactures the annular groove having depression, and annular groove is embedded with seal ring; Periphery coordinates with the inner chamber of pump gas shell can the inner chamber of canned pump gas shell, and can slide in the inner chamber of pump gas shell.Described spacing hole creates circular hole, and the ring surface of circular hole creates inlays restriction orifice stationary plane, and the annular bottom surface of circular hole creates the face that restrict orifice plate inlays the degree of depth; A described point compression creates two sections, and the upper part of sealing neck creates circular hole, and the exterior portion of sealing neck creates the groove of ring, and the periphery of the periphery of circular hole and the groove of ring creates one, and circular hole communicates with vent; Described vent creates the circular hole communicated with internal taper hole.

Described internal taper hole creates the circular hole of tapering, the face of circular hole creates inner conical surface, can inner conical surface be sealed under the effect of the gravity of sealing cone or ball sealer self, inner conical surface can be opened with sealing by suction when cone or ball sealer have above suction and bore or the passage of ball face sealing of ball sealer sealing; The air pressure sealed above cone or ball sealer is larger, and the gluing, sealing effect of sealing cone or ball sealer and inner conical surface is better.

Restriction orifice creates the plate of air passing hole or meshed spacing net, and the anchor ring being embedded in spacing hole is adjacent to the base ring face of spacing hole; Air passing hole and mesh create the hole allowing rock gas pass through.

Ball sealer creates spherosome or oval ball, and the periphery of spherosome or oval ball creates sealing surface, and sealing surface creates smooth sphere; To bore or the self gravitation of ball sealer presses down and seals inner conical surface by sealing when sealing cone or the sphere of ball sealer and inner conical surface seal.

Sealing cone creates cone or cone cylinder, and the periphery of cone or cone cylinder creates smooth male cone (strobilus masculinus); The male cone (strobilus masculinus) of sealing cone and inner conical surface press down by the self gravitation sealing conisphere and seal inner conical surface when sealing.

Described sealed cap creates the circular pipe type cap body of top seal, and the inner top of sealed cap divides and creates inner sealing surface, and the cylindrical parts manufacture near inner sealing surface has air passing hole.

Cross airtight shrouding and create circular flat board, the part that below dull and stereotyped, one side coordinates with the upper end portion of protruding platform creates sealing surface, and the part beyond the dull and stereotyped upper end portion with protruding platform coordinates manufactures the passing hole allowing gas pass through; The sealing surface crossing airtight shrouding coordinates with the annular sealing surface protruding platform upper end.

Field controller creates and controls the controller that generates an electromagnetic field of electromagnetic coil, control time that electromagnetic field produces and the time that generates an electromagnetic field length and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time.

Electronic remote controller creates to be connected and cuts off the circuit switch generated an electromagnetic field, and comprise the switch sections and electronic telecontrol part that switch on or off circuit, electronic telecontrol part comprises remote controller switch and electronic signal receiver; Described electronic remote controller can have in the present invention, also can not have.

Suction tude creates the inlet hole connecting pump gas shell and the hollow tubular being connected the pipeline exporting rock gas in gas well.

Inlet hole create rock gas enter the inner chamber of pump gas shell through via hole, be manufactured on and protrude the center portion of platform, inlet hole communicates with the inner chamber of pump gas shell.

In protecting crust, be provided with electromagnetic coil, electromagnetic coil is fixed on the upper part outside pump gas shell, and protecting crust is fixed on the outside protection electromagnetic coil on the top of pump gas shell; Below the outside of protecting crust, one side is fixed with foot rest, and the lower end of foot rest is lower than the position of the inlet hole of pump gas shell lower end.The circuit connecting electromagnetic coil is connected with field controller, the circuit of field controller is connected with electronic remote controller, electronic remote controller is connected with insulated electric conductor, and the electronic signal receiver of field controller, electronic remote controller and electronic remote controller is arranged in protecting crust; Or the circuit connecting electromagnetic coil is connected with field controller, and the circuit of field controller is connected with insulated electric conductor, and field controller is arranged in protecting crust.Airtight shrouding, iron core spring, ferrite core piston, sealed cap, restriction orifice were installed in pump gas shell, iron core spring fitting is at the upper part of the inner chamber of pump gas shell, ferrite core piston is arranged on the lower part of the inner chamber of pump gas shell, iron core spring be pressed in ferrite core piston upper end portion or be pressed in be fixed on ferrite core piston upper end portion restriction orifice on, ferrite core piston can slide up and down in the inner chamber of pump gas shell; At the restricted orifice plate of spacing hole internal fixtion of ferrite core piston upper end, the annular sealing surface of the sealing neck end in point compression of the upper part of ferrite core piston there is the inner sealing surface of sealed cap to coordinate with it, sealed cap can move up and down between compression and restriction orifice in dividing of ferrite core piston, and sealed cap coordinates the gas-entered passageway that can seal or open the extrusion chamber entered in pump gas shell with the annular sealing surface of ferrite core piston; Seal at the protrusion platform of the lower end that the inside lower part of pump gas shell was provided with in airtight shrouding and pump gas shell; Cross airtight shrouding coordinate with the annular sealing surface protruding platform and can seal or open the gas-entered passageway entered in pump gas shell; When ferrite core piston is up, the inner chamber part of the pump gas shell of ferrite core piston lower part is air-inlet cavity; When ferrite core piston is descending, the inner chamber part of the pump gas shell of ferrite core piston upper part is extrusion chamber.Be fixed with suction tude at the air inlet position of the lower end of pump gas shell, the endoporus of suction tude communicates with inlet hole; Be provided with gas outlet valve in the upper end of pump gas shell, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of pump gas shell; The part that the upper-end surface of pump gas shell is exposed in the upper end of gas outlet valve is connected with the pipeline of transport gas by flexible pipe or hard tube.

Environmental protection of the present invention extract natural gas facility compact structure, vibrate little, utilization rate of electrical is high, powerful, the efficiency extracting rock gas is high, is suitable for extracting the rock gas in gas well; The market prospects of industrialization are good, commercial value is high, manufacture and use all very convenient.

Accompanying drawing explanation

Fig. 1 and Fig. 2 is the structural representation that natural gas facility is extracted in environmental protection;

Fig. 3 is the structural representation of ferrite core piston;

Fig. 4 is the schematic appearance of the plan view of ferrite core piston.

Shown in figure: pump gas shell 1, ferrite core piston 2, iron core spring 3, hollow valve body 4, sealing cone or ball sealer 5, restriction orifice 6, air passing hole 7, electromagnetic coil 8, protecting crust 9, cross airtight shrouding 10, inlet hole 11, suction tude 13, foot rest 14, passing hole 15, vent 16, annular sealing surface 17, point compression 18, spacing hole 19, annular bottom surface 21, sealed cap 23.

Embodiment

Environmental protection of the present invention is extracted natural gas facility and is mainly comprised protecting crust 9, electromagnetic coil 8, pump gas shell 1, inlet hole 11, crosses airtight shrouding 10, sealed cap 23, sealing cone or ball sealer 5, iron core spring 3, ferrite core piston 2, restriction orifice 6, internal taper hole, vent 16, gas outlet valve, field controller; Or comprise protecting crust 9, electromagnetic coil 8, pump gas shell 1, inlet hole 11, cross airtight shrouding 10, sealed cap 23, sealing cone or ball sealer 5, iron core spring 3, ferrite core piston 2, restriction orifice 6, internal taper hole, vent 16, gas outlet valve, field controller, electronic remote controller.

In protecting crust 9, be provided with electromagnetic coil 8, electromagnetic coil 8 is fixed on the upper part outside pump gas shell 1, and protecting crust 9 is fixed on the outside protection electromagnetic coil 8 on the top of pump gas shell 1; Below the outside of protecting crust 9, one side is fixed with foot rest 14, and the lower end of foot rest 14 is lower than the position of the inlet hole 11 of pump gas shell 1 lower end.

The circuit connecting electromagnetic coil 8 is connected with field controller, the circuit of field controller is connected with electronic remote controller, electronic remote controller is connected with insulated electric conductor, and the electronic signal receiver of field controller, electronic remote controller and electronic remote controller is arranged in protecting crust 9.

In pump gas shell 1, airtight shrouding 10, iron core spring 3, ferrite core piston 2, sealed cap 23, restriction orifice 6 were installed, iron core spring 3 is arranged on the upper part of the inner chamber of pump gas shell 1, ferrite core piston 2 is arranged on the lower part of the inner chamber of pump gas shell 1, iron core spring 3 be pressed in ferrite core piston 2 upper end portion or be pressed in be fixed on ferrite core piston 2 upper end portion restriction orifice 6 on, ferrite core piston 2 can slide up and down in the inner chamber of pump gas shell 1; At the restricted orifice plate 6 of spacing hole 19 internal fixtion of ferrite core piston 2 upper end, the annular sealing surface 17 of the sealing neck end in point compression of the upper part of ferrite core piston 2 there is the inner sealing surface of sealed cap 23 to coordinate with it, sealed cap 23 can move up and down between compression and restriction orifice 6 in dividing of ferrite core piston 2, and sealed cap 23 coordinates the gas-entered passageway that can seal or open the extrusion chamber entered in pump gas shell 1 with the annular sealing surface 17 of ferrite core piston 2; At the inside lower part of pump gas shell 1, airtight shrouding 10 was installed to seal with the protrusion platform of the lower end in pump gas shell 1; Cross airtight shrouding 10 coordinate with the annular sealing surface 17 protruding platform and can seal or open the gas-entered passageway entered in pump gas shell 1; When ferrite core piston 2 is up, the inner chamber part of the pump gas shell 1 of ferrite core piston 2 lower part is air-inlet cavity; When ferrite core piston 2 is descending, the inner chamber part of the pump gas shell 1 of ferrite core piston 2 upper part is extrusion chamber.Be fixed with suction tude at the air inlet position of the lower end of pump gas shell 1, the endoporus of suction tude communicates with inlet hole; Be provided with gas outlet valve in the upper end of pump gas shell 1, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of pump gas shell 1; The part that the upper-end surface of pump gas shell 1 is exposed in the upper end of gas outlet valve is connected with the pipeline of transport gas by flexible pipe or hard tube.

During fabrication, protecting crust 9 adopts the material of the type in metal, plastics, nylon, glass fibre reinforced plastics or the composite material manufacture of several types; Sealed cap 23, hollow valve body 4 and pump gas shell 1 adopt the material of the type in metal, plastics, nylon and glass fibre reinforced plastics or the composite material manufacture of several types; Sealing cone or ball sealer 5 adopt the material of the type in metal, plastics, nylon and rubber or the composite material manufacture of several types; Cross airtight shrouding 10 and adopt the material of the type in metal, plastics, nylon and glass fibre reinforced plastics or the composite material manufacture of several types; Ferrite core piston 2 adopts the material manufacture of the hard to bear magnetic field suction of energy.

Protecting crust 9 creates the hollow cavity of annular, and hollow cavity has string holes, and string holes creates the hole allowing insulated electric conductor pass; Electromagnetic coil 8 and field controller are installed in hollow cavity, or, electromagnetic coil, field controller and electronic remote controller are installed in hollow cavity; The inner of the annular housing of hollow cavity is fixed on pump gas shell 1.

Conveniently assemble, during fabrication, after protecting crust 9 is divided into two-part manufacture from the place that the shape of centre is maximum, recombinant together for protecting crust 9.

The inner chamber of pump gas shell 1 creates columniform cavity, and the periphery of columniform cavity creates smooth curved surface; Upper end on the center line of inner chamber manufacture have through pump gas shell 1 center hole, lower end manufactures has inlet hole 11 through pump gas shell 1; The middle part of the lower end in pump gas shell 1 manufactures protrusion platform protruding upward, the upper end portion of protruding platform creates annular sealing surface 17, the inside of protruding platform creates inlet hole 11, when airtight shrouding 10 was not installed in the upper end portion of protruding platform, air-inlet cavity in pump gas shell 1 communicates with inlet hole 11, and the annular sealing surface 17 protruding platform coordinates with one side below the airtight shrouding 10 of mistake; Described annular sealing surface 17 creates smooth, smooth planar annular, and the upper end being manufactured on the sealing neck of ferrite core piston 2 respectively coordinates with the inner sealing surface of sealed cap 23 and the upper end that is manufactured on the protrusion platform in pump gas shell 1 coordinates with the sealing surface crossed below airtight shrouding 10.

Gas outlet valve creates hollow valve body 4 and sealing is bored or ball sealer 5 two-part, hollow valve body 4 creates hollow tubular, internal taper hole is manufactured on middle part or the middle and lower part of the inner chamber of hollow tubular, and the internal diameter that the internal diameter that the upper part of the internal taper hole in hollow tubular manufactures is large, lower part manufactures is little; The lower end of hollow valve body 4 manufactures return-air sealed end, the lower end surface of return-air sealed end is manufactured on the lower end of hollow valve body 4, upper-end surface creates internal taper hole, the large end of internal taper hole communicates with the upper end of gas outlet valve, small end communicates with the lower end of gas outlet valve, and the inner conical surface of internal taper hole is provided with sealing cone or ball sealer 5; Can open when being with the gas of pressure from the endoporus of hollow valve body 4 lower end inner conical surface with sealing bore or ball sealer 5 sealing and form passage.

For the ease of pump gas shell 1 processing and be convenient to accessory to load in pump gas shell 1, described pump gas shell 1 create segmentation processing manufacture after assemblying body; The upper end of the circular cylindrical cavity part in pump gas shell 1 is divided into two sections of manufactures, the main body that the upper part of segmentation place creates pump cover, lower part creates pump gas shell 1, center hole is manufactured on pump cover, inlet hole 11 is manufactured on the middle part of the main body lower end of pump gas shell 1, and being combined into after the main body after pump cover and pump gas shell 1 manufactures is a composite entity; Or, the lower end of the circular cylindrical cavity part in pump gas shell 1 is divided into two sections of manufactures, the main body that the lower part of segmentation place creates pump cover, upper part creates pump gas shell 1, inlet hole 11 is manufactured on the middle part of pump cover, center hole is manufactured on the middle part of the upper end of the main body of pump gas shell 1, and being combined into after the main body of pump cover and pump gas shell 1 manufactures is a composite entity.

Ferrite core piston 2 creates columniform iron core, and the position of the center line of columniform iron core manufactures limited location hole 19, point compression and vent 16; The upper end of columniform iron core manufactures limited location hole 19, and manufacturing below spacing hole 19 has a point compression, and manufacturing below the middle part of point compression has vent 16; Divide the inner ring of compression to create sealing neck, the upper end portion of sealing neck creates annular sealing surface 17, and the upper-end surface of sealing neck creates the upper end of the periphery lower than point compression; When the upper inner sealing surface not installing sealed cap 23 and sealed cap 23 of the periphery of the sealing neck of ferrite core piston 2 does not seal with annular sealing surface 17, vent 16 communicates with a point compression with the receiving bore of ferrite core piston 2 lower end; The periphery of columniform iron core creates smooth periphery, and smooth periphery manufactures the annular groove having depression, and annular groove is embedded with seal ring; Periphery coordinates with the inner chamber of pump gas shell 1 can the inner chamber of canned pump gas shell 1, and can slide in the inner chamber of pump gas shell 1.Described spacing hole 19 creates circular hole, and the ring surface of circular hole creates inlays restriction orifice 6 stationary plane, and the annular bottom surface 21 of circular hole creates the face that restrict orifice plate 6 inlays the degree of depth; A described point compression creates two sections, and the upper part of sealing neck creates circular hole, and the exterior portion of sealing neck creates the groove of ring, and the periphery of the periphery of circular hole and the groove of ring creates one, and circular hole communicates with vent 16; Described vent 16 creates the circular hole communicated with internal taper hole.

Described annular sealing surface 17 creates the smooth sealing surface of ring, and the upper end that annular sealing surface 17 is manufactured on the sealing neck of ferrite core piston 2 respectively coordinates with the inner sealing surface of sealed cap 23 and the upper end that is manufactured on the protrusion platform in pump gas shell 1 coordinates with the sealing surface crossed below airtight shrouding 10.

Described internal taper hole creates the circular hole of tapering, the face of circular hole creates inner conical surface, can inner conical surface be sealed under the effect of the gravity of sealing cone or ball sealer 5 self, inner conical surface can be opened with sealing by suction when cone or ball sealer 5 have above suction and bore or the passage of ball face sealing of ball sealer sealing; The air pressure sealed above cone or ball sealer 5 is larger, and the gluing, sealing effect of sealing cone or ball sealer 5 and inner conical surface is better.

Restriction orifice 6 creates the plate of air passing hole 7 or meshed spacing net, and the anchor ring being embedded in spacing hole 19 is adjacent to the base ring face of spacing hole 19; Air passing hole 7 and mesh create the hole allowing rock gas pass through.

Sealing cone 5 creates cone or cone cylinder, and the periphery of cone or cone cylinder creates smooth male cone (strobilus masculinus); The male cone (strobilus masculinus) of sealing cone and inner conical surface press down by the self gravitation sealing conisphere and seal inner conical surface when sealing.

Ball sealer 5 creates spherosome or oval ball, and the periphery of spherosome or oval ball creates sealing surface, and sealing surface creates sphere; Gravity by self when the sphere of sealing cone or ball sealer 5 and inner conical surface seal presses down and seals inner conical surface.

Described sealed cap 23 creates the circular pipe type cap body of top seal, and the inner top of sealed cap 23 divides and creates inner sealing surface, and the cylindrical parts manufacture near inner sealing surface has air passing hole 7.

Cross airtight shrouding 10 and create circular flat board, the part that below dull and stereotyped, one side coordinates with the upper end portion of protruding platform creates sealing surface, and the part beyond the dull and stereotyped upper end portion with protruding platform coordinates manufactures the passing hole 15 allowing gas pass through; The sealing surface crossing airtight shrouding 10 coordinates with the annular sealing surface 17 protruding platform upper end.

Field controller creates and controls the controller that generates an electromagnetic field of electromagnetic coil 8, control time that electromagnetic field produces and the time that generates an electromagnetic field length and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time.

Inlet hole 11 create rock gas enter the inner chamber of pump gas shell 1 through via hole, be manufactured on the center portion of protruding platform and the center portion of bottom being manufactured on protecting crust 9 respectively, inlet hole 11 communicates with the inner chamber of pump gas shell 1.

In order to ensure that environmental protection is extracted natural gas facility and can normally be worked, field controller is adopted to control connection and the cut-out of the connecting circuit of electromagnetic coil 8.

Keep shape in order to ensure protecting crust 9 can protect electromagnetic coil 8 and be not easy distortion, the cavity of protecting crust 9 manufactures the skeleton having support.

In order to make ferrite core piston 2 enter in extrusion chamber by the rock gas in the air-inlet cavity in driving pump gas shell 1, iron core spring 3 is adopted to move down as promotion ferrite core piston 2 power rock gas in air-inlet cavity being clamp-oned extrusion chamber.

In air-inlet cavity, lay in rock gas, in extrusion chamber, extrude rock gas and produce air pressure; When entering rock gas in extrusion chamber, air-inlet cavity communicates with extrusion chamber; When getting rid of rock gas in extrusion chamber, air-inlet cavity is sealed by sealing cone or ball sealer 5 with the internal taper hole in ferrite core piston 2 and disconnects the gas-entered passageway entering extrusion chamber.

Described environmental protection extracts natural gas facility in the process of taking out pressure rock gas, control into rock gas passage and go out rock gas passage one-way check valve in there is no return spring; When air-inlet cavity enters rock gas, the opened airtight shrouding 10 of the suction of the up generation of ferrite core piston 2 with protrude the sealing of platform and the passage opened into rock gas, be arranged on sealed cap 23 on the sealing neck in ferrite core piston 2 automatic decline return and close the passage entering rock gas entered in extrusion chamber and seal under the effect of self gravitation; When extrusion chamber enters rock gas, being arranged on the sealing cone of the internal taper hole of gas outlet valve or ball sealer 5 utilizes the gravity of self to make sealing cone or ball sealer 5 decline return and the passage of closing the discharge rock gas on gas outlet valve seals automatically, and ferrite core piston 2 is descending and make to produce air-inlet cavity in pressure and promote sealing and bore or the up passage entering rock gas entered in extrusion chamber of then opening of ball sealer 5; When extrusion chamber extrudes rock gas, under the effect of outlet pressure, promote sealing cone on the internal taper hole of gas outlet valve or ball sealer 5 up and open the passage of the discharge rock gas of gas outlet valve, the sealed cap 23 be arranged on the sealing neck in ferrite core piston 2 utilizes the gravity of self to make sealed cap 23 decline return and the passage entering rock gas of closing in ferrite core piston 2 seals automatically.

During use, inlet end environmental protection being extracted the suction tude of natural gas facility is connected with the pipeline that the rock gas in gas well exports.There is no electronic remote controller, directly connect the power-on circuit of circuit switch and the field controller to be connected with insulated electric conductor; Have electronic remote controller, electronic signal receiver connects the circuit of electronic remote controller and field controller after receiving activating signal; The power-on circuit that field controller connects electromagnetic coil 8 generates an electromagnetic field; The pressure that the attraction force that electromagnetic field produces pulls ferrite core piston 2 to overcome iron core spring 3 moves up, when ferrite core piston 2 starts up, be arranged on sealed cap 23 on the sealing neck in ferrite core piston 2 descending return and close the passage that rock gas enters extrusion chamber under the effect of the gravity of self; When ferrite core piston 2 is up, ferrite core piston 2 up and make the rock gas in extrusion chamber create pressure, have the rock gas of pressure from the endoporus of the sealed end of gas outlet valve lower end enter into internal taper hole in gas outlet valve promote sealing cone or ball sealer 5 up and open the sealing channel of gas outlet valve, make the rock gas in extrusion chamber enter into the pipeline of transport gas or the container containing of transport natural gas through gas outlet valve; Ferrite core piston 2 is when up, ferrite core piston 2 also makes to create pull of vacuum in air-inlet cavity, airtight shrouding 10 was moved in pull of vacuum suction made airtight shrouding 10 separate with the annular sealing surface 17 protruding platform, rock gas to enter into through inlet hole 11 from suction tude and protrudes platform, then the passing hole 15 of passing through on airtight shrouding 10 enter in pump gas shell 1 ferrite core piston 2 below air-inlet cavity in.

Ferrite core piston 2 is up move to the compression stage of compression iron core spring 3 spacing time, the power-on circuit of field controller cutoff solenoid 8, electromagnetic field disappears, and ferrite core piston 2 is descending under the promotion of iron core spring 3; When ferrite core piston 2 starts descending, cross airtight shrouding 10 descending and close and enter the gas-entered passageway of air-inlet cavity under the effect of self gravitation, sealing cone in gas outlet valve or ball sealer 5 descending return and seal the inner conical surface of gas outlet valve under the effect of the gravity of self, has cut off the outlet passageway of extrusion chamber; Ferrite core piston 2 is when descending, ferrite core piston 2 promotes the rock gas that enters in air-inlet cavity and makes rock gas produce internal pressure, having the rock gas of pressure upwards to wash open from the annular sealing surface 17 that the vent 16 of ferrite core piston 2 enters into sealing neck upper end continues up after the sealed cap 23 sealed with annular sealing surface 17 is shifted, enter in extrusion chamber after the air passing hole 7 on undue pore 18 and restriction orifice 6.

Ferrite core piston 2 is descending when putting in place under the promotion of iron core spring 3, sealed cap 23 on sealing neck in ferrite core piston 2 descending annular sealing surface 17 is shut and make rock gas not return air-inlet cavity under the effect of the gravity of self, now, the power-on circuit that field controller connects again electromagnetic coil 8 again generates an electromagnetic field and makes ferrite core piston 2 up; The connection of circulation like this and cut-out circuit, electromagnetic coil 8 is generated an electromagnetic field pull that ferrite core piston 2 is up and to allow iron core spring 3 promote ferrite core piston 2 descending, constantly rock gas pumped and be transported in the pipeline of transport gas or in the container containing of transport natural gas.

Claims

1. a natural gas facility is extracted in environmental protection, it is characterized in that: described environmental protection is extracted natural gas facility and comprised protecting crust, electromagnetic coil, pump gas shell, inlet hole, crosses airtight shrouding, sealed cap, ball sealer, iron core spring, ferrite core piston, restriction orifice, internal taper hole, vent, gas outlet valve, field controller;

In protecting crust, be provided with electromagnetic coil, electromagnetic coil is fixed on the upper part outside pump gas shell, and protecting crust is fixed on the outside protection electromagnetic coil on the top of pump gas shell; Below the outside of protecting crust, one side is fixed with foot rest, and the lower end of foot rest is lower than the position of the inlet hole of pump gas shell lower end;

The circuit connecting electromagnetic coil is connected with field controller, and the circuit of field controller is connected with insulated electric conductor, and field controller is arranged in protecting crust;

Airtight shrouding, iron core spring, ferrite core piston, sealed cap, restriction orifice were installed in pump gas shell, iron core spring fitting is at the upper part of the inner chamber of pump gas shell, ferrite core piston is arranged on the lower part of the inner chamber of pump gas shell, iron core spring be pressed in ferrite core piston upper end portion or be pressed in be fixed on ferrite core piston upper end portion restriction orifice on, ferrite core piston can slide up and down in the inner chamber of pump gas shell; At the restricted orifice plate of spacing hole internal fixtion of ferrite core piston upper end, the annular sealing surface of the sealing neck end in point compression of the upper part of ferrite core piston there is the inner sealing surface of sealed cap to coordinate with it, sealed cap can move up and down between compression and restriction orifice in dividing of ferrite core piston, and sealed cap coordinates the gas-entered passageway that can seal or open the extrusion chamber entered in pump gas shell with the annular sealing surface of ferrite core piston; Seal at the protrusion platform of the lower end that the inside lower part of pump gas shell was provided with in airtight shrouding and pump gas shell; Cross airtight shrouding coordinate with the annular sealing surface protruding platform and can seal or open the gas-entered passageway entered in pump gas shell; When ferrite core piston is up, the inner chamber part of the pump gas shell of ferrite core piston lower part is air-inlet cavity; When ferrite core piston is descending, the inner chamber part of the pump gas shell of ferrite core piston upper part is extrusion chamber; Be fixed with suction tude at the air inlet position of the lower end of pump gas shell, the endoporus of suction tude communicates with inlet hole; Be provided with gas outlet valve in the upper end of pump gas shell, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of pump gas shell; The part that the upper-end surface of pump gas shell is exposed in the upper end of gas outlet valve is connected with the pipeline of transport gas by flexible pipe or hard tube;

The material of described protecting crust is the material of a type in metal, plastics, nylon, glass fibre reinforced plastics or the composite material of several types; The material of a type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of sealed cap, hollow valve body and pump gas shell or the composite material of several types; The material of a type in material employing metal, plastics, nylon and the rubber of ball sealer or the composite material of several types; Cross the material of a type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of airtight shrouding or the composite material of several types; The material of ferrite core piston is the material of the hard to bear magnetic field suction of energy;

Described protecting crust is the hollow cavity of annular, hollow cavity has string holes, is provided with electromagnetic coil and field controller in hollow cavity; The inner of the annular housing of hollow cavity is fixed on pump gas shell; String holes is the hole allowing insulated electric conductor pass;

For the ease of protecting crust processing and be convenient to accessory to load in protecting crust, described protecting crust is the assemblying body after segmentation, and after the annular position of protecting crust is divided into two parts, recombinant is together;

The inner chamber of described pump gas shell is circular cylindrical cavity, and the cylndrical surface of columniform cavity is smooth curved surface; Upper end on the center line of inner chamber has that center hole passes pump gas shell, lower end has inlet hole to pass pump gas shell; There is protrusion platform protruding upward at the middle part of the lower end in pump gas shell, the upper end portion of protruding platform is annular sealing surface, the inside of protruding platform is inlet hole, air-inlet cavity when airtight shrouding was not installed in the upper end portion of protruding platform in pump gas shell communicates with inlet hole, and the annular sealing surface protruding platform coordinates with one side below the airtight shrouding of mistake; Described annular sealing surface is smooth, smooth planar annular, to coordinate respectively and the upper end of protrusion platform in pump gas shell coordinates with the sealing surface crossed below airtight shrouding in the upper end of sealing neck of ferrite core piston with the inner sealing surface of sealed cap;

Described gas outlet valve comprises hollow valve body and ball sealer, and hollow valve body is hollow tubular, and internal taper hole is in the middle part of the inner chamber of hollow tubular or middle and lower part, and the internal diameter of the upper part of the internal taper hole in hollow tubular internal diameter that is large, lower part is little; There is return-air sealed end the lower end of hollow valve body, the lower end surface of return-air sealed end in the lower end of hollow valve body, upper-end surface is internal taper hole, the large end of internal taper hole communicates with the upper end of gas outlet valve, small end communicates with the lower end of gas outlet valve, and the inner conical surface of internal taper hole is provided with ball sealer; The sealing of inner conical surface and ball sealer can be opened when being with the gas of pressure from the endoporus of hollow valve body lower end and form passage;

For the ease of pump gas shell processing and be convenient to accessory to load in pump gas shell, described pump gas shell is the assemblying body after segmentation; The upper end of the circular cylindrical cavity part in pump gas shell is divided into two sections, the main body that the upper part of segmentation place is pump cover, lower part is pump gas shell, center hole is on pump cover, and inlet hole is at the middle part of the main body lower end of pump gas shell, and the body combination of pump cover and pump gas shell becomes a composite entity; Or, the lower end of the circular cylindrical cavity part in pump gas shell is divided into two sections, the main body that the lower part of segmentation place is pump cover, upper part is pump gas shell, inlet hole is at the middle part of pump cover, center hole is at the middle part of the upper end of the main body of pump gas shell, and the body combination of pump cover and pump gas shell becomes a composite entity;

Described ferrite core piston is columniform iron core, the limited location hole, position of the center line of columniform iron core, point compression, vent and receiving bore; The limited location hole, upper end of columniform iron core is a point compression below spacing hole, is vent below the middle part of point compression; The inner ring of point compression is sealing neck, and the inside of sealing neck is one section above of vent, and the upper end of sealing neck is annular sealing surface, and annular sealing surface is lower than the upper end of the periphery of point compression; When the upper inner sealing surface not installing sealed cap and sealed cap of the periphery of the sealing neck of ferrite core piston does not seal with annular sealing surface, vent communicates with a point compression with the receiving bore of ferrite core piston lower end; Spacing hole is used for fixing restriction orifice, and point pore is for disperseing the gas that passes through and guiding gas to enter air passing hole on restriction orifice; The periphery of columniform iron core is smooth periphery, and smooth periphery has the annular groove of depression, and annular groove is embedded with seal ring; Periphery coordinates with the inner chamber of pump gas shell can the inner chamber of canned pump gas shell, and can slide in the inner chamber of pump gas shell; Described spacing hole is the rounded face of circular hole circular hole is inlay restriction orifice stationary plane, and the annular bottom surface of circular hole is the face that restrict orifice plate inlays the degree of depth; A described point compression is divided into two sections, and the part above sealing neck is circular hole, and the exterior portion of sealing neck is the groove of ring, and the periphery of the periphery of circular hole and the groove of ring is connected, and circular hole communicates with vent; Described vent is the hole communicated with air-inlet cavity and point compression;

Described annular sealing surface is the smooth sealing surface of ring, and annular sealing surface to coordinate with the inner sealing surface of sealed cap in the upper end of sealing neck of ferrite core piston respectively and the upper end of protrusion platform in pump gas shell coordinates with the sealing surface crossed below airtight shrouding;

Described internal taper hole is the circular hole having tapering, the face of circular hole is inner conical surface, the mating spherical surfaces of inner conical surface and ball sealer, can inner conical surface be sealed under the effect of the gravity of ball sealer self, the passage of the ball face sealing of inner conical surface and ball sealer when having suction on ball sealer, can be opened by suction; Air pressure above ball sealer is larger, and the gluing, sealing effect of ball sealer and inner conical surface is better;

Described restriction orifice has the plate of air passing hole or meshed spacing net, and the anchor ring being embedded in spacing hole is adjacent to the base ring face of spacing hole; Air passing hole and mesh are used for allowing rock gas pass through;

Described ball sealer is spherosome or oval ball, and the periphery of spherosome or oval ball is sphere, and sphere is sealing surface; Self gravitation by ball sealer when the sphere of ball sealer and inner conical surface seal presses down and seals inner conical surface;

Described sealed cap is the circular pipe type cap body of top seal, and it is inner sealing surface that the inner top of sealed cap divides, and the cylindrical parts near inner sealing surface has air passing hole;

The airtight shrouding of described mistake is circular flat board, and the part that below dull and stereotyped, one side coordinates with the upper end portion of protruding platform is sealing surface, and the part beyond the dull and stereotyped upper end portion with protruding platform coordinates has passing hole; The sealing surface crossing airtight shrouding is used for coordinating with the annular sealing surface protruding platform upper end, and passing hole is used for allowing rock gas pass through;

Described field controller controls the controller that generates an electromagnetic field of electromagnetic coil, control time and the time length generated an electromagnetic field that electromagnetic field produces and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time;

Described suction tude connects the inlet hole of pump gas shell and the hollow tubular being connected the pipeline exporting rock gas in gas well;

Described inlet hole be rock gas enter the inner chamber of pump gas shell through air passing hole, protruding the center portion of platform, inlet hole communicates with the inner chamber of pump gas shell;

In air-inlet cavity, lay in rock gas, in extrusion chamber, extrude rock gas and produce air pressure; When entering rock gas in extrusion chamber, air-inlet cavity communicates with extrusion chamber; When getting rid of rock gas in extrusion chamber, air-inlet cavity is sealed by the internal taper hole in ball sealer and ferrite core piston and disconnects the gas-entered passageway entering extrusion chamber;

Described environmental protection extracts natural gas facility in the process of taking out pressure rock gas, control into rock gas passage and go out rock gas passage one-way check valve in there is no return spring; When air-inlet cavity enters rock gas, the opened airtight shrouding of suction of the up generation of ferrite core piston with protrude the sealing of platform and the passage opened into rock gas, be arranged on sealed cap on the sealing neck in ferrite core piston automatic decline return and close the passage entering rock gas entered in extrusion chamber and seal under the effect of self gravitation; When extrusion chamber enters rock gas, the ball sealer being arranged on the internal taper hole of gas outlet valve utilizes the gravity of self to make ball sealer decline return and the passage of closing the discharge rock gas on gas outlet valve seals automatically, and ferrite core piston is descending and make to produce pressure in air-inlet cavity and promote the up passage entering rock gas entered in extrusion chamber of then opening of ball sealer; When extrusion chamber extrudes rock gas, under the effect of outlet pressure, promote ball sealer on the internal taper hole of gas outlet valve up and open the passage of the discharge rock gas of gas outlet valve, the sealed cap be arranged on the sealing neck in ferrite core piston utilizes the gravity of self to make sealed cap decline return and the passage entering rock gas of closing in ferrite core piston seals automatically;

During use, inlet end environmental protection being extracted the suction tude of natural gas facility is connected with the pipeline that the rock gas in gas well exports; Connect the power-on circuit of circuit switch and the field controller be connected with insulated electric conductor, the power-on circuit that field controller connects electromagnetic coil generates an electromagnetic field; The pressure that the attraction force that electromagnetic field produces pulls ferrite core piston to overcome iron core spring moves up, when ferrite core piston starts up, be arranged on sealed cap on the sealing neck in ferrite core piston descending return and close the passage that rock gas enters extrusion chamber under the effect of the gravity of self; When ferrite core piston is up, ferrite core piston up and make the rock gas in extrusion chamber create pressure, having the rock gas of pressure to enter into internal taper hole in gas outlet valve from the endoporus of the sealed end of gas outlet valve lower end, to promote ball sealer up and open the sealing channel of gas outlet valve, makes the rock gas in extrusion chamber enter into the pipeline of transport gas or the container containing of transport natural gas through gas outlet valve; Ferrite core piston is when up, ferrite core piston also makes to create pull of vacuum in air-inlet cavity, airtight shrouding was moved in pull of vacuum suction made airtight shrouding separate with the annular sealing surface protruding platform, rock gas to enter into through inlet hole from suction tude and protrudes platform, then the passing hole of passing through on airtight shrouding enter in pump gas shell ferrite core piston below air-inlet cavity in;

Ferrite core piston is up move to the compression stage of compression iron core spring spacing time, the power-on circuit of field controller cutoff solenoid, electromagnetic field disappears, and ferrite core piston is descending under the promotion of iron core spring; When ferrite core piston starts descending, cross airtight shrouding descending and close and enter the gas-entered passageway of air-inlet cavity under the effect of self gravitation, ball sealer in gas outlet valve descending return and seal the inner conical surface of gas outlet valve under the effect of the gravity of self, has cut off the outlet passageway of extrusion chamber; Ferrite core piston is when descending, ferrite core piston promotes the rock gas that enters in air-inlet cavity and makes rock gas produce internal pressure, there is the rock gas of pressure upwards to wash from the annular sealing surface that the vent of ferrite core piston enters into sealing neck upper end sealed cap seal with annular sealing surface open to be shifted and to continue afterwards up, enter after the air passing hole on undue pore and restriction orifice in extrusion chamber;

2. natural gas facility is extracted in environmental protection according to claim 1, it is characterized in that: in order to enable the rock gas in the air-inlet cavity in ferrite core piston driving pump gas shell enter in extrusion chamber, adopting iron core spring to move down as promotion ferrite core piston the power rock gas in air-inlet cavity being clamp-oned extrusion chamber.

3. natural gas facility is extracted in environmental protection according to claim 1, it is characterized in that: in order to ensure that environmental protection is taken out natural gas facility and can normally be worked, and adopts field controller to control connection and the cut-out of the connecting circuit of electromagnetic coil.

4. natural gas facility is extracted in environmental protection according to claim 1, it is characterized in that: keep shape in order to ensure protecting crust to protect electromagnetic coil and be not easy distortion, the cavity of protecting crust manufactures the skeleton having support.

5. natural gas facility is extracted in environmental protection according to claim 1, it is characterized in that: described environmental protection extract natural gas facility compact structure, vibrate little, utilization rate of electrical is high, powerful, the efficiency extracting rock gas is high, is suitable for extracting the rock gas in gas well; The market prospects of industrialization are good, commercial value is high, manufacture and use all very convenient.

6. a manufacture method for natural gas facility is extracted in environmental protection, it is characterized in that: during fabrication, the material of a type in protecting crust employing metal, plastics, nylon, glass fibre reinforced plastics or the composite material manufacture of several types; The material of a type in the employing of sealed cap, hollow valve body and pump gas shell metal, plastics, nylon and glass fibre reinforced plastics or the composite material manufacture of several types; The material of a type in ball sealer employing metal, plastics, nylon and rubber or the composite material manufacture of several types; Cross the material of a type in the employing of airtight shrouding metal, plastics, nylon and glass fibre reinforced plastics or the composite material manufacture of several types; Ferrite core piston adopts the material manufacture of the hard to bear magnetic field suction of energy;

Protecting crust creates the hollow cavity of annular, and hollow cavity has string holes, and string holes creates the hole allowing insulated electric conductor pass; Electromagnetic coil and field controller are installed in hollow cavity; The inner of the annular housing of hollow cavity is fixed on pump gas shell;

Conveniently assemble, during fabrication, after protecting crust is divided into two-part manufacture from the place that the shape of centre is maximum, recombinant together for protecting crust;

The inner chamber of pump gas shell creates columniform cavity, and the periphery of columniform cavity creates smooth curved surface; Upper end on the center line of inner chamber manufacture have through pump gas shell center hole, lower end manufactures has inlet hole to pass pump gas shell; The middle part of the lower end in pump gas shell manufactures protrusion platform protruding upward, the upper end portion of protruding platform creates annular sealing surface, the inside of protruding platform creates inlet hole, when airtight shrouding was not installed in the upper end portion of protruding platform, air-inlet cavity in pump gas shell communicates with inlet hole, and the annular sealing surface protruding platform coordinates with one side below the airtight shrouding of mistake; Described annular sealing surface creates smooth, smooth planar annular, and the upper end of sealing neck being manufactured on ferrite core piston respectively coordinates with the inner sealing surface of sealed cap and the upper end that is manufactured on the protrusion platform in pump gas shell coordinates with the sealing surface crossed below airtight shrouding;

Gas outlet valve creates hollow valve body and ball sealer two-part, hollow valve body creates hollow tubular, internal taper hole is manufactured on middle part or the middle and lower part of the inner chamber of hollow tubular, and the internal diameter that the internal diameter that the upper part of the internal taper hole in hollow tubular manufactures is large, lower part manufactures is little; The lower end of hollow valve body manufactures return-air sealed end, the lower end surface of return-air sealed end is manufactured on the lower end of hollow valve body, upper-end surface creates internal taper hole, the large end of internal taper hole communicates with the upper end of gas outlet valve, small end communicates with the lower end of gas outlet valve, and the inner conical surface of internal taper hole is provided with ball sealer; The sealing of inner conical surface and ball sealer can be opened when being with the gas of pressure from the endoporus of hollow valve body lower end and form passage;

For the ease of pump gas shell processing and be convenient to accessory to load in pump gas shell, described pump gas shell create segmentation processing manufacture after assemblying body; The upper end of the circular cylindrical cavity part in pump gas shell is divided into two sections of manufactures, the main body that the upper part of segmentation place creates pump cover, lower part creates pump gas shell, center hole is manufactured on pump cover, inlet hole is manufactured on the middle part of the main body lower end of pump gas shell, and being combined into after the main body after pump cover and pump gas shell manufactures is a composite entity; Or, the lower end of the circular cylindrical cavity part in pump gas shell is divided into two sections of manufactures, the main body that the lower part of segmentation place creates pump cover, upper part creates pump gas shell, inlet hole is manufactured on the middle part of pump cover, center hole is manufactured on the middle part of the upper end of the main body of pump gas shell, and being combined into after the main body of pump cover and pump gas shell manufactures is a composite entity;

Ferrite core piston creates columniform iron core, and the position of the center line of columniform iron core manufactures limited location hole, point compression and vent; The upper end of columniform iron core manufactures limited location hole, and manufacturing below spacing hole has a point compression, and manufacturing below the middle part of point compression has vent; Divide the inner ring of compression to create sealing neck, the upper end portion of sealing neck creates annular sealing surface, and the upper-end surface of sealing neck creates the upper end of the periphery lower than point compression; When the upper inner sealing surface not installing sealed cap and sealed cap of the periphery of the sealing neck of ferrite core piston does not seal with annular sealing surface, vent communicates with a point compression with the receiving bore of ferrite core piston lower end; The periphery of columniform iron core creates smooth periphery, and smooth periphery manufactures the annular groove having depression, and annular groove is embedded with seal ring; Periphery coordinates with the inner chamber of pump gas shell can the inner chamber of canned pump gas shell, and can slide in the inner chamber of pump gas shell; Described spacing hole creates circular hole, and the ring surface of circular hole creates inlays restriction orifice stationary plane, and the annular bottom surface of circular hole creates the face that restrict orifice plate inlays the degree of depth; A described point compression creates two sections, and the upper part of sealing neck creates circular hole, and the exterior portion of sealing neck creates the groove of ring, and the periphery of the periphery of circular hole and the groove of ring creates one, and circular hole communicates with vent; Described vent creates the circular hole communicated with internal taper hole;

Described annular sealing surface creates the smooth sealing surface of ring, and the upper end of sealing neck that annular sealing surface is manufactured on ferrite core piston respectively coordinates with the inner sealing surface of sealed cap and the upper end that is manufactured on the protrusion platform in pump gas shell coordinates with the sealing surface crossed below airtight shrouding;

Described internal taper hole creates the circular hole of tapering, the face of circular hole creates inner conical surface, can inner conical surface be sealed under the effect of the gravity of ball sealer self, the passage of the ball face sealing of inner conical surface and ball sealer when having suction on ball sealer, can be opened by suction; Air pressure above ball sealer is larger, and the gluing, sealing effect of ball sealer and inner conical surface is better;

Restriction orifice creates the plate of air passing hole or meshed spacing net, and the anchor ring being embedded in spacing hole is adjacent to the base ring face of spacing hole; Air passing hole and mesh create the hole allowing rock gas pass through;

Ball sealer creates spherosome or oval ball, and the periphery of spherosome or oval ball creates sealing surface, and sealing surface creates sphere; Self gravitation by ball sealer when the sphere of ball sealer and inner conical surface seal presses down and seals inner conical surface;

Described sealed cap creates the circular pipe type cap body of top seal, and the inner top of sealed cap divides and creates inner sealing surface, and the cylindrical parts manufacture near inner sealing surface has air passing hole;

Cross airtight shrouding and create circular flat board, the part that below dull and stereotyped, one side coordinates with the upper end portion of protruding platform creates sealing surface, and the part beyond the dull and stereotyped upper end portion with protruding platform coordinates manufactures the passing hole allowing gas pass through; The sealing surface crossing airtight shrouding coordinates with the annular sealing surface protruding platform upper end;

Field controller creates and controls the controller that generates an electromagnetic field of electromagnetic coil, control time that electromagnetic field produces and the time that generates an electromagnetic field length and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time;

Suction tude creates the inlet hole connecting pump gas shell and the hollow tubular being connected the pipeline exporting rock gas in gas well;

Inlet hole create rock gas enter the inner chamber of pump gas shell through via hole, be manufactured on and protrude the center portion of platform, inlet hole communicates with the inner chamber of pump gas shell;

In order to ensure that environmental protection is extracted natural gas facility and can normally be worked, field controller is adopted to control connection and the cut-out of the connecting circuit of electromagnetic coil;

Keep shape in order to ensure protecting crust to protect electromagnetic coil and be not easy distortion, the cavity of protecting crust manufactures the skeleton having support;

In order to enable the rock gas in the air-inlet cavity in ferrite core piston driving pump gas shell enter in extrusion chamber, iron core spring is adopted to move down as promotion ferrite core piston the power rock gas in air-inlet cavity being clamp-oned extrusion chamber;

In protecting crust, be provided with electromagnetic coil, electromagnetic coil is fixed on the upper part outside pump gas shell, and protecting crust is fixed on the outside protection electromagnetic coil on the top of pump gas shell; Below the outside of protecting crust, one side is fixed with foot rest, and the lower end of foot rest is lower than the position of the inlet hole of pump gas shell lower end; The circuit connecting electromagnetic coil is connected with field controller, and the circuit of field controller is connected with insulated electric conductor, and field controller is arranged in protecting crust; Airtight shrouding, iron core spring, ferrite core piston, sealed cap, restriction orifice were installed in pump gas shell, iron core spring fitting is at the upper part of the inner chamber of pump gas shell, ferrite core piston is arranged on the lower part of the inner chamber of pump gas shell, iron core spring be pressed in ferrite core piston upper end portion or be pressed in be fixed on ferrite core piston upper end portion restriction orifice on, ferrite core piston can slide up and down in the inner chamber of pump gas shell; At the restricted orifice plate of spacing hole internal fixtion of ferrite core piston upper end, the annular sealing surface of the sealing neck end in point compression of the upper part of ferrite core piston there is the inner sealing surface of sealed cap to coordinate with it, sealed cap can move up and down between compression and restriction orifice in dividing of ferrite core piston, and sealed cap coordinates the gas-entered passageway that can seal or open the extrusion chamber entered in pump gas shell with the annular sealing surface of ferrite core piston; Seal at the protrusion platform of the lower end that the inside lower part of pump gas shell was provided with in airtight shrouding and pump gas shell; Cross airtight shrouding coordinate with the annular sealing surface protruding platform and can seal or open the gas-entered passageway entered in pump gas shell; When ferrite core piston is up, the inner chamber part of the pump gas shell of ferrite core piston lower part is air-inlet cavity; When ferrite core piston is descending, the inner chamber part of the pump gas shell of ferrite core piston upper part is extrusion chamber; Be fixed with suction tude at the air inlet position of the lower end of pump gas shell, the endoporus of suction tude communicates with inlet hole; Be provided with gas outlet valve in the upper end of pump gas shell, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of pump gas shell; The part that the upper-end surface of pump gas shell is exposed in the upper end of gas outlet valve is connected with the pipeline of transport gas by flexible pipe or hard tube.