CN105545699A

CN105545699A - Environment-friendly and energy-saving shale gas extracting device

Info

Publication number: CN105545699A
Application number: CN201610047874.1A
Authority: CN
Inventors: 任云海
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-25
Filing date: 2016-01-25
Publication date: 2016-05-04

Abstract

The invention discloses an environment-friendly and energy-saving shale gas extracting device and belongs to the exploiting technology and the transportation technology of the shale gas. An upper magnet and a lower magnet are mounted on the outer side of a gas pumping shell in a protective shell, wherein the annular inner end of the protective shell is fixed on the outer side of the gas pumping shell; a gas outlet valve is fixed in a central hole of the gas pumping shell; an induced magnetism piston is mounted in the gas pumping shell; a sealing cone or a sealing ball is used for sealing a gas inlet channels of a gas inlet cavity and an extrusion cavity; a limit pore plate is fixed in a limit hole at the upper end of the induced magnetism piston; the sealing cone or the sealing ball is mounted in an inner cone hole of the induced magnetism piston; an accommodation hole is formed in the lower end of the induced magnetism piston. The environment-friendly and energy-saving shale gas extracting device is compact in structure, slight in vibration, strong in power, high in utilization rate of electrical energy and high in shale gas extraction efficiency, is suitable for extracting the shale gas in shale gas wells and pressurizing the shale gas in the process of transporting the shale gas, has a good market prospect, and is conductive to industrialization production.

Description

Environmental protection and energy saving shale gas extracting device

Technical field

The present invention relates to shale gas exploitation technology field, particularly relate to a kind of environmental protection and energy saving shale gas extracting device extracting shale gas and supercharging in the way of carrying shale gas from shale gas well.

Background technique

The extraction of traditional shale gas adopts the inflating pump charged shale 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 shale 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, efficiently take out the environmental protection and energy saving shale gas extracting device of pressure shale gas.

For achieving the above object, environmental protection and energy saving shale gas extracting device of the present invention mainly comprises protecting crust, upper magnet, lower magnet, pump gas shell, inlet hole, suction tude, sealing cone or ball sealer, restriction cap, answers magnetic piston, restriction orifice, internal taper hole, vent, gas outlet valve, field controller; Or described environmental protection and energy saving shale gas extracting device mainly comprises protecting crust, upper magnet, lower magnet, pump gas shell, inlet hole, suction tude, sealing cone or ball sealer, restriction cap, answers magnetic piston, restriction orifice, internal taper hole, vent, gas outlet valve, field controller, electronic remote controller.

In protecting crust, be provided with upper magnet and lower magnet, upper magnet is fixed on the upper part outside pump gas shell, and lower magnet is fixed on the lower part outside pump gas shell, and protecting crust is fixed on outside protection upper magnet and the lower magnet 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.

Connect upper magnet to be connected with field controller with the circuit of lower magnet, 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 connect upper magnet and be connected with field controller with the circuit of lower magnet, the circuit of field controller is connected with insulated electric conductor, and field controller is arranged in protecting crust.

Restriction cap is installed in pump gas shell, answers magnetic piston, sealing cone or ball sealer, restriction orifice, can slide up and down in the inner chamber of answering magnetic piston to be arranged on pump gas shell; Answering the restricted orifice plate of spacing hole internal fixtion of magnetic piston upper end, sealing cone or ball sealer are installed in the internal taper hole of upper part of answering magnetic piston, point pore between internal taper hole and restriction orifice of sealing cone or ball sealer and answer in the internal taper hole of magnetic piston and can move up and down; Sealing cone or ball sealer are installed in the internal taper hole in the sealing neck of the lower end in pump gas shell, restriction cap is fixed on the outside of sealing neck by screw thread or jump ring, when restriction cap is in the receiving bore of answering the lower end of magnetic piston upwards to cave in, restriction cap and receiving bore have gap; Sealing cone or ball sealer coordinate with the internal taper hole in sealing neck and can seal or open the gas-entered passageway entered in pump gas shell; When answering magnetic piston stroking upward, the inner chamber part of answering the pump gas shell of magnetic piston lower part is air-inlet cavity; When answering magnetic descent of piston, the inner chamber part of answering the pump gas shell of magnetic 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 conveying shale 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 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; The material of magnetic piston is answered to be can the material of hard to bear magnetic field suction.

Described protecting crust is the hollow cavity of annular, hollow cavity has string holes, is provided with upper magnet, lower magnet and field controller in hollow cavity, or, upper magnet, lower magnet, 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; The upper and lower end that upper end on the center line of inner chamber has that center hole passes pump gas shell, lower end has inlet hole to superpose with internal taper hole to wear out and seal neck and the pump gas shell sealed below neck; There is sealing neck protruding upward at the middle part of the lower end in pump gas shell, and the upper part of the inside of sealing neck is internal taper hole, lower part is inlet hole, does not install internal taper hole when sealing cone or ball sealer and communicate with inlet hole in internal taper hole.

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 shale 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 magnetic piston of answering is columniform iron core, the limited location hole, upper end of columniform iron core, it is a point pore below spacing hole, dividing below pore is internal taper hole, it is vent below internal taper hole, be receiving bore below vent, the center line of internal taper hole, vent and receiving bore is on the cylinder center line of columniform iron core; There are vent and internal taper hole in the position of the center line of columniform iron core, and internal taper hole is on vent, and when not installing sealing cone or ball sealer in internal taper hole, internal taper hole communicates with vent and a point pore; The receiving bore of the oriented upper depression in lower end of columniform iron core, when answering the lower end in magnetic piston arrives pump gas shell, receiving bore is for holding restriction cap and making restriction cap not collide with answering magnetic piston; Spacing hole is used for fixing restriction orifice, and point pore is for disperseing the shale gas that passes through and guiding shale 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 pore is the circular hole communicated with spacing hole and internal taper hole; Described vent is the hole communicated with receiving bore and internal taper hole; The circular hole that described receiving bore communicates with vent, upwards cave in.

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 is the plate having air passing hole, and the anchor ring being embedded in spacing hole is adjacent to the annular bottom surface of spacing hole; Air passing hole is used for allowing shale 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.

Described restriction cap is calotte, and the crown of calotte part has the air passing hole allowing gas pass through, and the hatband partial fixing of calotte can limit the distance that sealing cone or ball sealer that the inner conical surface in sealing neck is installed move on sealing neck.

Described field controller controls upper magnet and lower magnet circulate the controller generated an electromagnetic field, control time and the time length generated an electromagnetic field that upper magnet and lower magnet electromagnetic field produce and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time.

Described upper magnet and lower magnet are the electromagnetic coils that can generate an electromagnetic field.

Described electronic remote controller is the switch of the circuit of connecting and cutting off field controller, 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 and energy saving shale gas extracting device and cut off the control circuit of environmental protection and energy saving shale gas extracting device; 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 shale gas in shale gas well.

Described inlet hole be in shale gas enters in pump gas shell extrusion chamber through via hole, at the lower part in the center portion of sealing neck, internal taper hole is had above the upper end of the inlet hole in sealing neck, when not installing sealing cone or ball sealer in the internal taper hole in sealing neck, internal taper hole communicates with inlet hole and air-inlet cavity.

In air-inlet cavity, lay in shale gas, in extrusion chamber, extrude shale gas and produce air pressure; When entering shale gas in extrusion chamber, air-inlet cavity communicates with extrusion chamber; When discharging shale gas in extrusion chamber, air-inlet cavity is by sealing cone or ball sealer and answer the internal taper hole in magnetic piston seal and disconnect the gas-entered passageway entering extrusion chamber.

Described environmental protection and energy saving shale gas extracting device in the process of taking out pressure shale gas, control into shale gas passage and go out shale gas passage one-way check valve in there is no return spring; When air-inlet cavity enters shale gas, the suction of answering magnetic piston stroking upward to produce opens the sealing of the internal taper hole in the sealing neck of sealing cone or ball sealer and pump gas shell lower end and the passage opened into shale gas, is arranged on and answers the sealing cone on the internal taper hole on magnetic piston or ball sealer automatic decline return and close the passage entering shale gas entered in extrusion chamber and seal under the effect of self gravitation; When extrusion chamber enters shale 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 extrusion shale gas on gas outlet valve seals automatically, answers magnetic descent of piston and makes to produce pressure in air-inlet cavity and promote sealing cone or the up passage entering shale gas entered in extrusion chamber of then opening of ball sealer; When extrusion chamber is given vent to anger, 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 giving vent to anger of gas outlet valve, be arranged on sealing cone on the internal taper hole of answering magnetic piston or ball sealer and utilize the gravity of self to make sealing cone or ball sealer decline return and close and answer the passage entering shale gas on magnetic piston to seal automatically.

In order to ensure that environmental protection and energy saving shale gas extracting device can normally work, adopt connection and the cut-out of the connecting circuit of electronic remote controller controlling magnetic field controller; Or, adopt connection and the cut-out of the power-on circuit of the circuit switch controlling magnetic field controller connecting insulated electric conductor.

Keep shape in order to ensure protecting crust can protect upper magnet and lower magnet and be not easy distortion, the cavity of protecting crust manufactures the skeleton having support.

In order to enable to answer the shale gas in the extrusion chamber in magnetic piston driving pump gas shell to enter gas outlet valve, adopting and promoting spring and answer the shale gas in magnetic descent of piston compress inlet air chamber to enter power in extrusion chamber as promoting.

During use, the pipeline that the inlet end of the suction tude of environmental protection and energy saving shale gas extracting device and the shale gas in shale gas well export is connected.There is no electronic remote controller in circuit, directly connect the power-on circuit of circuit switch and the field controller to be connected with insulated electric conductor; Have electronic remote controller in circuit, electronic signal receiver connects the circuit of electronic remote controller and field controller after receiving activating signal; The power-on circuit that upper magnet and lower magnet are connected in field controller circulation generates an electromagnetic field; The attraction force that upper magnet electromagnetic field produces pulls answers magnetic piston to move up, when answering magnetic piston to start up, be arranged on sealing cone on the internal taper hole of answering magnetic piston or ball sealer descending return and close the gas-entered passageway that shale gas enters extrusion chamber under the effect of the gravity of self; When answering magnetic piston stroking upward, answer the up of magnetic piston and make the shale gas in extrusion chamber create pressure, have the shale 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 shale gas in extrusion chamber after gas outlet valve, enter into the pipeline of conveying shale gas or the container containing of transport shale gas; Answer magnetic piston when up, magnetic piston is answered also to make to create pull of vacuum in air-inlet cavity, sealing cone or the ball sealer of the dynamic internal taper hole be arranged in sealing neck of pull of vacuum suction separate with internal taper hole, shale gas enters into internal taper hole from suction tude through inlet hole, then the air passing hole on restriction cap enters in the air-inlet cavity of answering below magnetic piston in pump gas shell.

When answering magnetic piston stroking upward to move into place, field controller connects the power-on circuit of lower magnet after disconnecting the power-on circuit of upper magnet, and the electromagnetic field of upper magnet disappears, and the electromagnetic field that lower magnet produces pulls answers magnetic descent of piston; When answering magnetic piston to start descending, the gas-entered passageway entering air-inlet cavity closed by sealing cone on internal taper hole in sealing neck or ball sealer 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; Answer magnetic piston when descending, the shale gas of answering magnetic piston to promote to enter in air-inlet cavity and make shale gas produce internal pressure, there is the shale gas of pressure up from continuing after answering the vent of magnetic piston to enter into answer the internal taper hole of magnetic piston upwards to wash open the sealing cone that seals with internal taper hole or ball sealer to be shifted, entering in extrusion chamber after the air passing hole on undue pore and restriction orifice.

Answer magnetic piston descending when putting in place under the pulling of the electromagnetic field that lower magnet produces, answer the sealing cone on the inner conical surface of magnetic piston or ball sealer descending inner conical surface is shut and make shale gas not return air-inlet cavity under the effect of the gravity of self, now, the power-on circuit that field controller connects again upper magnet again generates an electromagnetic field and makes to answer magnetic piston stroking upward; The power-on circuit of the connection of circulation like this and the upper magnet of cut-out and lower magnet, upper magnet is generated an electromagnetic field pull the electromagnetic field of answering magnetic piston stroking upward, lower magnet to produce to pull to answer magnetic descent of piston, constantly shale gas is pumped and be transported in the pipeline of conveying shale gas or transport shale gas container containing in.

A manufacture method for environmental protection and energy saving shale gas extracting device, 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; Hollow valve body and pump gas shell adopt the material of a type in 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; Magnetic piston is answered to adopt 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; Upper magnet, lower magnet and field controller are installed in hollow cavity, or, upper magnet, lower magnet, 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 annular position, 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 inlet hole and internal taper hole, inlet hole superposes the upper and lower end worn out and seal neck and the pump gas shell sealed below neck with internal taper hole; The middle part of the lower end in pump gas shell manufactures sealing neck protruding upward, the inside of sealing neck upper part creates internal taper hole, lower part creates inlet hole, internal taper hole communicates with inlet hole, and internal taper hole to be bored or ball sealer coordinates with sealing.

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 shale 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.

Magnetic piston is answered to create columniform iron core, the upper end of columniform iron core manufactures limited location hole, manufacture below spacing hole and have a point pore, manufacture below pore is divided to have internal taper hole, manufacture below internal taper hole and have vent, manufacture below vent and have receiving bore, the center line that internal taper hole, vent and receiving bore manufacture is on the cylinder center line of columniform iron core; The position of the center line of columniform iron core manufactures vent and internal taper hole, and internal taper hole is manufactured on above vent, below point pore, and when not installing sealing cone or ball sealer in internal taper hole, internal taper hole communicates with vent and a point pore; The lower end of columniform iron core manufactures the receiving bore of oriented upper depression; 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 pore creates circular hole, communicates with spacing hole and internal taper hole; Described vent creates the circular hole communicated with receiving bore and internal taper hole; Described receiving bore creates the circular hole upwards caved in, and communicates with vent.

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, and the anchor ring being embedded in spacing hole is adjacent to the annular bottom surface of spacing hole; Air passing hole creates the hole allowing shale 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.

Restriction cap creates calotte, and the crown of calotte part manufactures the air passing hole allowing gas pass through, and the hatband partial fixing of calotte can limit the distance that sealing cone or ball sealer that the inner conical surface in sealing neck is installed move on sealing neck.

Field controller creates and controls upper magnet and lower magnet and circulate the controller generated an electromagnetic field, control time and the time length generated an electromagnetic field that upper magnet and lower magnet electromagnetic field produce and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time.

Described upper magnet and lower magnet create the electromagnetic coil that can generate an electromagnetic field.

Electronic remote controller creates the switch of the circuit of connecting and cutting off field controller, 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 shale gas in shale gas well.

Inlet hole create in extrusion chamber that shale gas enters in pump gas shell through via hole, be manufactured on the lower part in the center portion of sealing neck, manufacture above the upper end of the inlet hole in sealing neck and have internal taper hole, when not installing sealing cone or ball sealer in the internal taper hole in sealing neck, internal taper hole communicates with inlet hole and air-inlet cavity.

In protecting crust, be provided with upper magnet and lower magnet, upper magnet is fixed on the upper part outside pump gas shell, and lower magnet is fixed on the lower part outside pump gas shell, and protecting crust is fixed on outside protection upper magnet and the lower magnet 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.Connect upper magnet to be connected with field controller with the circuit of lower magnet, 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 connect upper magnet and be connected with field controller with the circuit of lower magnet, the circuit of field controller is connected with insulated electric conductor, and field controller is arranged in protecting crust.Restriction cap is installed in pump gas shell, answers magnetic piston, sealing cone or ball sealer, restriction orifice, can slide up and down in the inner chamber of answering magnetic piston to be arranged on pump gas shell; Answering the restricted orifice plate of spacing hole internal fixtion of magnetic piston upper end, sealing cone or ball sealer are installed in the internal taper hole of upper part of answering magnetic piston, point pore between internal taper hole and restriction orifice of sealing cone or ball sealer and answer in the internal taper hole of magnetic piston and can move up and down; Sealing cone or ball sealer are installed in the internal taper hole in the sealing neck of the lower end in pump gas shell, restriction cap is fixed on the outside of sealing neck by screw thread or jump ring, when restriction cap is in the receiving bore of answering the lower end of magnetic piston upwards to cave in, restriction cap and receiving bore have gap; Sealing cone or ball sealer coordinate with the internal taper hole in sealing neck and can seal or open the gas-entered passageway entered in pump gas shell; When answering magnetic piston stroking upward, the inner chamber part of answering the pump gas shell of magnetic piston lower part is air-inlet cavity; When answering magnetic descent of piston, the inner chamber part of answering the pump gas shell of magnetic 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 conveying shale gas by flexible pipe or hard tube.

The compact structure of environmental protection and energy saving shale gas extracting device of the present invention, vibrate little, powerful, utilization rate of electrical are high, the efficiency extracting shale gas is high, be suitable for extracting shale gas in shale gas well and in the way of conveying shale gas to shale gas supercharging; 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 of environmental protection and energy saving shale gas extracting device.

Fig. 3 is the structural representation of answering magnetic piston.

Fig. 4 is the schematic appearance of the plan view of answering magnetic piston.

Shown in figure: pump gas shell 1, answer magnetic piston 2, restriction orifice 3, hollow valve body 5, sealing cone or ball sealer 6, vent 7, upper magnet 8, lower magnet 9, protecting crust 10, foot rest 11, restriction cap 12, air passing hole 13, suction tude 15, internal taper hole 16, point pore 17, spacing hole 18, receiving bore 19, inner conical surface 21, annular bottom surface 25.

Embodiment

Environmental protection and energy saving shale gas extracting device of the present invention mainly comprises protecting crust, upper magnet, lower magnet, pump gas shell, inlet hole, suction tude, sealing cone or ball sealer, restriction cap, answers magnetic piston, restriction orifice, internal taper hole, vent, gas outlet valve, field controller; Or comprise protecting crust, upper magnet, lower magnet, pump gas shell, inlet hole, suction tude, sealing cone or ball sealer, restriction cap, answer magnetic piston, restriction orifice, internal taper hole, vent, gas outlet valve, field controller, electronic remote controller.

Claims

1. an environmental protection and energy saving shale gas extracting device, is characterized in that: described environmental protection and energy saving shale gas extracting device comprises protecting crust, upper magnet, lower magnet, pump gas shell, inlet hole, suction tude, ball sealer, restriction cap, answers magnetic piston, restriction orifice, internal taper hole, vent, gas outlet valve, field controller;

In protecting crust, be provided with upper magnet and lower magnet, upper magnet is fixed on the upper part outside pump gas shell, and lower magnet is fixed on the lower part outside pump gas shell, and protecting crust is fixed on outside protection upper magnet and the lower magnet 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;

Connect upper magnet to be connected with field controller with the circuit of lower magnet, the circuit of field controller is connected with insulated electric conductor, and field controller is arranged in protecting crust;

Restriction cap is installed in pump gas shell, answers magnetic piston, ball sealer, restriction orifice, can slide up and down in the inner chamber of answering magnetic piston to be arranged on pump gas shell; Answering the restricted orifice plate of spacing hole internal fixtion of magnetic piston upper end, in the internal taper hole of upper part of answering magnetic piston, ball sealer is installed, point pore of ball sealer between internal taper hole and restriction orifice and answer in the internal taper hole of magnetic piston and can move up and down; Be provided with ball sealer in internal taper hole in the sealing neck of the lower end in pump gas shell, restriction cap is fixed on the outside of sealing neck by screw thread or jump ring, and when restriction cap is in the receiving bore of answering the lower end of magnetic piston upwards to cave in, restriction cap and receiving bore have gap; Ball sealer coordinates with the internal taper hole in sealing neck and can seal or open the gas-entered passageway entered in pump gas shell; When answering magnetic piston stroking upward, the inner chamber part of answering the pump gas shell of magnetic piston lower part is air-inlet cavity; When answering magnetic descent of piston, the inner chamber part of answering the pump gas shell of magnetic 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 conveying shale 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 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; The material of magnetic piston is answered to be can the material of hard to bear magnetic field suction;

Described protecting crust is the hollow cavity of annular, hollow cavity has string holes, is provided with upper magnet, lower magnet 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; The upper and lower end that upper end on the center line of inner chamber has that center hole passes pump gas shell, lower end has inlet hole to superpose with internal taper hole to wear out and seal neck and the pump gas shell sealed below neck; There is sealing neck protruding upward at the middle part of the lower end in pump gas shell, and the upper part of inside of sealing neck is internal taper hole, lower part is inlet hole, and when not installing ball sealer in internal taper hole, internal taper hole communicates with inlet hole;

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 shale 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 magnetic piston of answering is columniform iron core, the limited location hole, upper end of columniform iron core, it is a point pore below spacing hole, dividing below pore is internal taper hole, it is vent below internal taper hole, be receiving bore below vent, the center line of internal taper hole, vent and receiving bore is on the cylinder center line of columniform iron core; There are vent and internal taper hole in the position of the center line of columniform iron core, and internal taper hole is on vent, and when not installing ball sealer in internal taper hole, internal taper hole communicates with vent and a point pore; The receiving bore of the oriented upper depression in lower end of columniform iron core, when answering the lower end in magnetic piston arrives pump gas shell, receiving bore is for holding restriction cap and making restriction cap not collide with answering magnetic piston; Spacing hole is used for fixing restriction orifice, and point pore is for disperseing the shale gas that passes through and guiding shale 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 pore is the circular hole communicated with spacing hole and internal taper hole; Described vent is the hole communicated with receiving bore and internal taper hole; The circular hole that described receiving bore communicates with vent, upwards cave in;

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 is the plate having air passing hole, and the anchor ring being embedded in spacing hole is adjacent to the annular bottom surface of spacing hole; Air passing hole is used for allowing shale 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 restriction cap is calotte, and the crown of calotte part has the air passing hole allowing gas pass through, and the hatband partial fixing of calotte can limit the distance that ball sealer that the inner conical surface in sealing neck is installed moves on sealing neck;

Described field controller controls upper magnet and lower magnet circulate the controller generated an electromagnetic field, control time and the time length generated an electromagnetic field that upper magnet and lower magnet electromagnetic field produce and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time;

Described upper magnet and lower magnet are the electromagnetic coils that can generate an electromagnetic field;

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

Described inlet hole be in shale gas enters in pump gas shell extrusion chamber through via hole, at the lower part in the center portion of sealing neck, internal taper hole is had above the upper end of the inlet hole in sealing neck, when not installing ball sealer in the internal taper hole in sealing neck, internal taper hole communicates with inlet hole and air-inlet cavity;

In air-inlet cavity, lay in shale gas, in extrusion chamber, extrude shale gas and produce air pressure; When entering shale gas in extrusion chamber, air-inlet cavity communicates with extrusion chamber; When discharging shale gas in extrusion chamber, air-inlet cavity is by ball sealer and answer the internal taper hole in magnetic piston to seal and disconnect the gas-entered passageway entering extrusion chamber;

Described environmental protection and energy saving shale gas extracting device in the process of taking out pressure shale gas, control into shale gas passage and go out shale gas passage one-way check valve in there is no return spring; When air-inlet cavity enters shale gas, the suction of answering magnetic piston stroking upward to produce opens the sealing of the internal taper hole in the sealing neck of ball sealer and pump gas shell lower end and the passage opened into shale gas, is arranged on and answers the automatic decline return and close the passage entering shale gas entered in extrusion chamber and seal under the effect of self gravitation of the ball sealer on the internal taper hole on magnetic piston; When extrusion chamber enters shale 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 extrusion shale gas on gas outlet valve seals automatically, answers magnetic descent of piston and makes to produce pressure in air-inlet cavity and promote the up passage entering shale gas entered in extrusion chamber of then opening of ball sealer; When extrusion chamber is given vent to anger, under the effect of outlet pressure, promote ball sealer on the internal taper hole of gas outlet valve up and open the passage of giving vent to anger of gas outlet valve, the ball sealer be arranged on the internal taper hole of answering magnetic piston utilizes the gravity of self to make ball sealer decline return and close and answer the passage entering shale gas on magnetic piston to seal automatically;

During use, the pipeline that the inlet end of the suction tude of environmental protection and energy saving shale gas extracting device and the shale gas in shale gas well export is connected; Connect the power-on circuit of circuit switch and the field controller be connected with insulated electric conductor, the power-on circuit that upper magnet and lower magnet are connected in field controller circulation generates an electromagnetic field; The attraction force that upper magnet electromagnetic field produces pulls answers magnetic piston to move up, when answering magnetic piston to start up, be arranged on ball sealer on the internal taper hole of answering magnetic piston descending return and close the gas-entered passageway that shale gas enters extrusion chamber under the effect of the gravity of self; When answering magnetic piston stroking upward, answer the up of magnetic piston and make the shale gas in extrusion chamber create pressure, having the shale 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 shale gas in extrusion chamber after gas outlet valve, enter into the pipeline of conveying shale gas or the container containing of transport shale gas; Answer magnetic piston when up, magnetic piston is answered also to make to create pull of vacuum in air-inlet cavity, the ball sealer that pull of vacuum inhales the dynamic internal taper hole be arranged in sealing neck separates with internal taper hole, shale gas enters into internal taper hole from suction tude through inlet hole, then the air passing hole on restriction cap enters in the air-inlet cavity of answering below magnetic piston in pump gas shell;

When answering magnetic piston stroking upward to move into place, field controller connects the power-on circuit of lower magnet after disconnecting the power-on circuit of upper magnet, and the electromagnetic field of upper magnet disappears, and the electromagnetic field that lower magnet produces pulls answers magnetic descent of piston; When answering magnetic piston to start descending, the gas-entered passageway entering air-inlet cavity closed by ball sealer on internal taper hole in sealing neck 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; Answer magnetic piston when descending, the shale gas of answering magnetic piston to promote to enter in air-inlet cavity and make shale gas produce internal pressure, there is the shale gas of pressure up from answering the vent of magnetic piston to enter into answer the internal taper hole of magnetic piston upwards to wash open to continue after the ball sealer sealed with internal taper hole is shifted, entering after the air passing hole on undue pore and restriction orifice in extrusion chamber;

Answer magnetic piston descending when putting in place under the pulling of the electromagnetic field that lower magnet produces, answer descending inner conical surface is shut and make shale gas not return air-inlet cavity under the effect of the gravity of self of the ball sealer on the inner conical surface of magnetic piston, now, the power-on circuit that field controller connects again upper magnet again generates an electromagnetic field and makes to answer magnetic piston stroking upward; The power-on circuit of the connection of circulation like this and the upper magnet of cut-out and lower magnet, upper magnet is generated an electromagnetic field pull the electromagnetic field of answering magnetic piston stroking upward, lower magnet to produce to pull to answer magnetic descent of piston, constantly shale gas is pumped and be transported in the pipeline of conveying shale gas or transport shale gas container containing in.

2. environmental protection and energy saving shale gas extracting device according to claim 1, it is characterized in that: in order to enable to answer the shale gas in the extrusion chamber in magnetic piston driving pump gas shell to enter gas outlet valve, adopting and promoting spring and answer the shale gas in magnetic descent of piston compress inlet air chamber to enter power in extrusion chamber as promoting.

3. environmental protection and energy saving shale gas extracting device according to claim 1, is characterized in that: keep shape in order to ensure protecting crust can protect upper magnet and lower magnet and be not easy distortion, the cavity of protecting crust manufactures the skeleton having support.

4. environmental protection and energy saving shale gas extracting device according to claim 1, it is characterized in that: in order to ensure that environmental protection and energy saving shale gas extracting device can normally work, adopting connection and the cut-out of the power-on circuit of the circuit switch controlling magnetic field controller connecting insulated electric conductor.

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

6. a manufacture method for environmental protection and energy saving shale gas extracting device, 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; Hollow valve body and pump gas shell adopt the material of a type in 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; Magnetic piston is answered to adopt 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; Upper magnet, lower magnet 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 annular position, 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 inlet hole and internal taper hole, inlet hole superposes the upper and lower end worn out and seal neck and the pump gas shell sealed below neck with internal taper hole; The middle part of the lower end in pump gas shell manufactures sealing neck protruding upward, the inside of sealing neck upper part creates internal taper hole, lower part creates inlet hole, internal taper hole communicates with inlet hole, and internal taper hole coordinates with ball sealer;

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 shale 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;

Magnetic piston is answered to create columniform iron core, the upper end of columniform iron core manufactures limited location hole, manufacture below spacing hole and have a point pore, manufacture below pore is divided to have internal taper hole, manufacture below internal taper hole and have vent, manufacture below vent and have receiving bore, the center line that internal taper hole, vent and receiving bore manufacture is on the cylinder center line of columniform iron core; The position of the center line of columniform iron core manufactures vent and internal taper hole, and internal taper hole is manufactured on above vent, below point pore, and when not installing ball sealer in internal taper hole, internal taper hole communicates with vent and a point pore; The lower end of columniform iron core manufactures the receiving bore of oriented upper depression; 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 pore creates circular hole, communicates with spacing hole and internal taper hole; Described vent creates the circular hole communicated with receiving bore and internal taper hole; Described receiving bore creates the circular hole upwards caved in, and communicates with vent;

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, and the anchor ring being embedded in spacing hole is adjacent to the annular bottom surface of spacing hole; Air passing hole creates the hole allowing shale 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;

Restriction cap creates calotte, and the crown of calotte part manufactures the air passing hole allowing gas pass through, and the hatband partial fixing of calotte can limit the distance that ball sealer that the inner conical surface in sealing neck is installed moves on sealing neck;

Field controller creates and controls upper magnet and lower magnet and circulate the controller generated an electromagnetic field, control time and the time length generated an electromagnetic field that upper magnet and lower magnet electromagnetic field produce and after generating an electromagnetic field at every turn to the interval time generated an electromagnetic field again for the second time;

Upper magnet and lower magnet create the electromagnetic coil that can generate an electromagnetic field;

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

Inlet hole create in extrusion chamber that shale gas enters in pump gas shell through via hole, be manufactured on the lower part in the center portion of sealing neck, manufacture above the upper end of the inlet hole in sealing neck and have internal taper hole, when not installing ball sealer in the internal taper hole in sealing neck, internal taper hole communicates with inlet hole and air-inlet cavity;

In order to ensure that environmental protection and energy saving shale gas extracting device can normally work, field controller is adopted to control connection and the cut-out of the connecting circuit of upper magnet and lower magnet;

Keep shape in order to ensure protecting crust can protect upper magnet and lower magnet and be not easy distortion, the cavity of protecting crust manufactures the skeleton having support;

In order to enable to answer the shale gas in the extrusion chamber in magnetic piston driving pump gas shell to enter gas outlet valve, adopting and promoting spring and answer the shale gas in magnetic descent of piston compress inlet air chamber to enter power in extrusion chamber as promoting;

In protecting crust, be provided with upper magnet and lower magnet, upper magnet is fixed on the upper part outside pump gas shell, and lower magnet is fixed on the lower part outside pump gas shell, and protecting crust is fixed on outside protection upper magnet and the lower magnet 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; Connect upper magnet to be connected with field controller with the circuit of lower magnet, the circuit of field controller is connected with insulated electric conductor, and field controller is arranged in protecting crust; Restriction cap is installed in pump gas shell, answers magnetic piston, ball sealer, restriction orifice, can slide up and down in the inner chamber of answering magnetic piston to be arranged on pump gas shell; Answering the restricted orifice plate of spacing hole internal fixtion of magnetic piston upper end, in the internal taper hole of upper part of answering magnetic piston, ball sealer is installed, point pore of ball sealer between internal taper hole and restriction orifice and answer in the internal taper hole of magnetic piston and can move up and down; Be provided with ball sealer in internal taper hole in the sealing neck of the lower end in pump gas shell, restriction cap is fixed on the outside of sealing neck by screw thread or jump ring, and when restriction cap is in the receiving bore of answering the lower end of magnetic piston upwards to cave in, restriction cap and receiving bore have gap; Ball sealer coordinates with the internal taper hole in sealing neck and can seal or open the gas-entered passageway entered in pump gas shell; When answering magnetic piston stroking upward, the inner chamber part of answering the pump gas shell of magnetic piston lower part is air-inlet cavity; When answering magnetic descent of piston, the inner chamber part of answering the pump gas shell of magnetic 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 conveying shale gas by flexible pipe or hard tube.