CN105570081A

CN105570081A - Efficient natural gas pumping and exploiting energy-saving device

Info

Publication number: CN105570081A
Application number: CN201610082926.9A
Authority: CN
Inventors: 况松常
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-02-06
Filing date: 2016-02-06
Publication date: 2016-05-11

Abstract

The invention belongs to the technology of natural gas exploitation, and relates to an efficient natural gas pumping and exploiting energy-saving device. An electromagnetic coil of the efficient natural gas pumping and exploiting energy-saving device is arranged outside an air pump shell. A protective shell is fixed to the air pump shell. An air inlet pipe is fixed to the lower end of the air pump shell. An air outlet valve is fixed in a center hole of the air pump shell. An iron core spring and a magnetism induction piston are arranged in the air pump shell. The iron core spring presses the magnetism induction piston. A natural gas inlet channel of a gas inlet cavity is sealed through a sealing plate, and a natural gas inlet channel of an extrusion cavity is sealed through a sealing ball or a sealing cone. A fixing plug is fixed in a piston hole in the magnetism induction piston. A sealing ball or a sealing cone is arranged in an inner cone hole. The efficient natural gas pumping and exploiting energy-saving device is compact in structure, low in vibration, high in electric energy utilization rate, high in power and suitable for pumping and exploiting natural gas from a natural gas well. The industrial market prospects are good, the commercial value is high, and manufacturing and using are very convenient.

Description

Efficient extraction natural-gas energy-saving equipment

Technical field

The present invention relates to natural gas extraction technical field, particularly relate to a kind of efficient extraction natural-gas energy-saving equipment of the rock gas taken out in pressure gas well.

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, efficiently take out the efficient extraction natural-gas energy-saving equipment of pressure rock gas.

For achieving the above object, efficient extraction natural-gas energy-saving equipment of the present invention mainly comprise protecting crust, electromagnetic coil, air pump shell, inlet hole, sealing plate, ball sealer or sealing cone, restriction cap, iron core spring, answer magnetic piston, fixed plug, internal taper hole, vent, gas outlet valve, suction tude, field controller, electronic remote controller;

Or, described efficient extraction natural-gas energy-saving equipment mainly comprise protecting crust, electromagnetic coil, air pump shell, inlet hole, sealing plate, ball sealer or sealing cone, restriction cap, iron core spring, answer magnetic piston, fixed plug, internal taper hole, vent, gas outlet valve, suction tude, field controller.

In protecting crust, be provided with electromagnetic coil, electromagnetic coil is fixed on the upper part outside air pump shell, and protecting crust is fixed on the outside protection electromagnetic coil on the top of air pump shell; Below the outside of protecting crust, one side is fixed with foot rest, and the lower end of foot rest protects suction tude not oppressed lower than air pump 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.

Be provided with in air pump shell sealing plate, restriction cap, iron core spring, answer magnetic piston, ball sealer or sealing cone, fixed plug, iron core spring fitting is at the upper part of the inner chamber of air pump shell, magnetic piston is answered to be arranged on the lower part of the inner chamber of air pump shell, the top, upper end of iron core spring is pressed in the upper end of the inner chamber of air pump shell, lower end is pressed in the upper end portion of answering magnetic piston, answers magnetic piston can slide up and down in the inner chamber of air pump shell; Answer in the internal taper hole below the consent in magnetic piston be provided with ball sealer or sealing cone, ball sealer or sealing cone can move up and down in internal taper hole, in consent, be provided with fixed plug to limit ball sealer or to seal displacement distance when cone moves up in internal taper hole, the fixing employing interference fit of fixed plug in consent is fixed or screw-thread fit is fixed or adopt jump ring to be stuck in the two ends of the jump-ring slot internal fixtion fixed plug in consent; The passage entering rock gas of answering on magnetic piston can be closed when the sphere of ball sealer or the male cone (strobilus masculinus) of sealing cone coordinate with the inner conical surface of internal taper hole and seal, when the sphere of ball sealer or the male cone (strobilus masculinus) of sealing cone separate with the inner conical surface of internal taper hole, the passage entering rock gas of answering on magnetic piston can be opened; Be provided with sealing plate in closed hole in the sealing neck of the lower end in air pump 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; Sealing plate coordinates with the closed hole in sealing neck and can seal or open the passage entering rock gas entered in air pump shell; When answering magnetic piston stroking upward, the inner chamber part of answering the air pump shell of magnetic piston lower part is air-inlet cavity; When answering magnetic descent of piston, the inner chamber part of answering the air pump shell of magnetic piston upper part is extrusion chamber.Be fixed with suction tude at the air inlet position of the lower end of air pump shell, the endoporus of suction tude communicates with inlet hole; Be provided with gas outlet valve in the upper end of air pump shell, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of air pump shell; The part that the upper-end surface of air pump 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 several types; A type in material employing metal, plastics, nylon and the glass fibre reinforced plastics of the gentle pump case of hollow valve body or the material of several types; A type in material employing metal, plastics, nylon and the rubber of ball sealer or sealing cone or the material of several types; Sealing plate material adopt the material of a type in metal, plastics, nylon and glass fibre reinforced plastics or several types; The material of magnetic piston is answered to be can the material of hard to bear magnetic field suction; The material of fixed plug is the material of a type in metal, plastics, nylon, glass fibre reinforced plastics, rubber or several types; The material that iron core spring adopts is the material of a type in metal and rubber or two types, and when adopting rubber material, iron core spring is the spring of hollow pipe-type, utilizes the elasticity of rubber and contractibility to realize the function of spring.

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

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 air pump 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 air pump shell, lower end has inlet hole to pass air pump shell; There is sealing neck protruding upward at the middle part of the lower end in air pump shell, the upper part of the inside of sealing neck is closed hole, lower part is inlet hole, the time in of not installing sealing plate in closed hole, closed hole communicates with inlet hole, closed hole and sealing plate below one side coordinate; Described closed hole is the hole of shallow cylindrical or shallow cone cylindricality, one-level rank are formed with the upper-end surface of sealing neck above inlet hole in the sealing neck of the lower end in air pump shell, the face, hole in the hole of shallow columniform hole or shallow cone cylindricality be hold sealing plate inner headed face or internal conical surface, the bottom surface of closed hole is annular sealing surface porose below.

Described gas outlet valve comprises hollow valve body and ball sealer or sealing and bores, 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 or sealing cone; Inner conical surface and ball sealer can be opened when being with the rock gas of pressure from the endoporus of hollow valve body lower end or seal the sealing of boring and form passage.

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

Described magnetic piston of answering is columniform iron core, and 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; Described periphery coordinates with the inner chamber of air pump shell can the inner chamber of blanket gas pump case, and can slide in the inner chamber of air pump shell.There are penetration hole and receiving bore in the cylindrical central portion position of described columniform iron core, receiving bore runs through the lower end surface of iron core, and penetration hole runs through above iron core, and receiving bore is below penetration hole, receiving bore communicates with penetration hole and air-inlet cavity, and penetration hole communicates with extrusion chamber and receiving bore.The top that the upper part of described penetration hole runs through the upper-end surface of iron core, lower part runs through the receiving bore of iron core lower part, the lower part of penetration hole is vent, the upper part of penetration hole is consent, and the intermediate portion between vent and consent is internal taper hole.The receiving bore of depression on the lower end of columniform iron core is oriented, the circular hole that described receiving bore communicates with vent, upwards cave in, when answering the lower end in magnetic piston arrives air pump shell, receiving bore is for holding restriction cap and making restriction cap not collide with answering magnetic piston.Being vent on receiving bore, is internal taper hole above vent, is consent above internal taper hole; Described vent is the via hole allowing rock gas pass through, and communicates with receiving bore and consent; Described consent is the hole of installation and fixing fixed plug, communicates with receiving bore and extrusion chamber.

Described fixed plug be restriction be arranged on answer the ball sealer in the internal taper hole in magnetic piston or sealing bore the distance moved up, centre has the plug of vent, described plug to be that centre has the cylinder of through hole or annular ring or jump ring circle; Fixed plug is centre when having a cylinder of through hole, and the fixing employing interference fit in consent is fixed or screw-thread fit is fixed or adopt jump ring to be stuck in the two ends of the jump-ring slot internal fixtion cylinder in consent; When fixed plug is annular ring, the fixing employing interference fit in consent is fixed or is adopted jump ring to be stuck in the two ends of the jump-ring slot internal fixtion annular ring in consent; When fixed plug is jump ring circle, directly jump ring is stuck in consent.

Described internal taper hole is the circular hole having tapering, and the face of circular hole is inner conical surface; The small end of internal taper hole under, hold upper greatly, respectively in the hollow valve body of gas outlet valve and answer in the penetration hole of magnetic piston; The sphere of inner conical surface and ball sealer or seal the male cone (strobilus masculinus) of boring and coordinate, can inner conical surface be sealed under the effect of the gravity of ball sealer or sealing cone self, inner conical surface and ball sealer can be opened by suction when having suction on ball sealer or sealing cone or seal the passage of boring and sealing; The air pressure that ball sealer or sealing are bored above is larger, and the gluing, sealing effect of ball sealer or sealing cone and inner conical surface is better.

Described sealing cone is cone or cone cylinder, and the annular surface of cone or cone cylinder is the male cone (strobilus masculinus) having tapering; The male cone (strobilus masculinus) of sealing cone and inner conical surface press down by sealing the gravity of boring self and seal inner conical surface when sealing.

Described ball sealer is spherosome or oval ball, and the surface of spherosome or oval ball is sealing surface, and sealing surface is smooth sphere; Gravity by ball sealer when the sphere of ball sealer and inner conical surface seal presses down and seals inner conical surface.

Described sealing plate is circular flat board, and below dull and stereotyped, one side is sealing surface, and sealing surface is used for coordinating with the closed hole in sealing neck.

Described restriction cap is calotte, and the crown part of calotte has the air passing hole allowing gas pass through, and the hatband partial fixing of calotte can limit the distance of moving on sealing plate on sealing neck.

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 is the circuit switch 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 efficient extraction natural-gas energy-saving equipment and cut off the control circuit of efficient extraction natural-gas energy-saving equipment; Described electronic remote controller can have in the present invention, also can not have.

Described suction tude connects the inlet hole of air pump 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 air pump shell through air passing hole, at the lower part in the center portion of sealing neck, have closed hole above the upper end of the inlet hole in sealing neck, the time in of not installing sealing plate in closed hole, closed hole communicates with inlet hole.

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 extruding rock gas in extrusion chamber, air-inlet cavity is by ball sealer or sealing cone and answer the internal taper hole in magnetic piston to seal and disconnect the passage entering rock gas entering extrusion chamber.

Described efficient extraction natural-gas energy-saving equipment extracts in the process of rock gas in gas well, 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 suction of answering magnetic piston stroking upward to produce open sealing plate with the sealing of closed hole the passage opened into rock gas, be arranged on and answer the ball sealer on the internal taper hole in magnetic piston or sealing cone 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, be arranged on that ball sealer on the internal taper hole of gas outlet valve or sealing cone utilize the gravity of self to make ball sealer or the sealing automatic decline return of cone and the passage of closing the discharge on gas outlet valve seals, answer magnetic descent of piston and make to produce air-inlet cavity in pressure and promote ball sealer or the up passage entering rock gas entered in extrusion chamber of then opening is bored in sealing; When extrusion chamber discharges rock gas, under the effect of outlet pressure, promote ball sealer on the internal taper hole of gas outlet valve or sealing cone up and open the passage of giving vent to anger of gas outlet valve, be arranged on and answer the ball sealer on the internal taper hole in magnetic piston or sealing cone to utilize the gravity of self to make ball sealer or the sealing automatic decline return of cone and close and answer the passage entering rock gas on magnetic piston to seal.

In order to ensure that efficient extraction natural-gas energy-saving equipment can normally work, in control circuit, there is electronic remote controller, adopt connection and the cut-out of the connecting circuit of electronic remote controller controlling magnetic field controller; There is no electronic remote controller in control circuit, adopt the circuit switch be connected with insulated electric conductor to come connection and the cut-out of the connecting circuit of controlling magnetic field controller.

Keeping the shape of protecting crust to ensure protecting crust that electromagnetic coil can be protected not to be damaged, in the inner chamber of protecting crust, manufacturing the skeleton having support.

Rock gas in the air-inlet cavity promoting in air pump shell to enable to answer magnetic piston enters in extrusion chamber, adopts iron core spring as the power promoting to answer magnetic descent of piston.

During use, the foot rest of efficient extraction natural-gas energy-saving equipment is supported and fixed on the ground, and suction tude is connected with the steam outlet pipe in gas well.Do not have remote control unit, directly connect the circuit that the circuit switch that is connected with insulated electric conductor is connected with field controller, the power-on circuit of field controller connection electromagnetic coil generates an electromagnetic field; Have remote control unit, press the starting button of remote controller switch, the circuit of electronic remote controller and field controller connected by electronic signal receiver after receiving activating signal, and the power-on circuit that field controller connects electromagnetic coil generates an electromagnetic field; The attraction force that electromagnetic field produces pulls answers the pressure of magnetic piston overpowers iron core spring to move up, when answering magnetic piston to start up, be arranged on and answer the ball sealer on the internal taper hole in magnetic piston or sealing bore descending return under the effect of the gravity of self and close the passage entering rock gas that rock gas enters extrusion chamber; When answering magnetic piston stroking upward, answer the up of magnetic piston 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 ball sealer or sealing cone up and open the sealing channel of gas outlet valve, make the rock gas in extrusion chamber after gas outlet valve, enter into the pipeline of transport gas; Answer magnetic piston when up, magnetic piston is answered also to make to create pull of vacuum in air-inlet cavity, pull of vacuum inhales motive sealing plate makes sealing plate separate with the sealing surface of closed hole, rock gas enters into closed 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 air pump shell.

Answer magnetic piston stroking upward 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 answers magnetic piston descending under the promotion of iron core spring; When answering magnetic piston to start descending, be arranged on the sealing plate in the closed hole of lower end in air pump shell under the effect of self gravitation, close the passage entering rock gas entering air-inlet cavity, ball sealer in gas outlet valve or sealing are bored descending return under the effect of the gravity of self and seal the inner conical surface of gas outlet valve, have cut off the outlet passageway of extrusion chamber; Answer magnetic piston when descending, the rock gas of answering magnetic piston to promote to enter in air-inlet cavity and make rock gas produce internal pressure, have the rock gas of pressure to enter into the ball sealer of answering the internal taper hole in magnetic piston upwards to wash open to seal with internal taper hole from the vent of answering in magnetic piston or seal boring be shifted after continue up, enter in extrusion chamber after the vent in fixed plug.

Answer magnetic piston descending when putting in place under the promotion of iron core spring, be arranged on and answer the ball sealer on the inner conical surface in magnetic piston or sealing bore descending inner conical surface is shut under the effect of the gravity of self and make rock gas not return air-inlet cavity, now, the power-on circuit that field controller connects again electromagnetic coil again generates an electromagnetic field and makes to answer magnetic piston stroking upward; The connection of circulation like this and cut off circuit, makes electromagnetic coil generate an electromagnetic field to pull to answer magnetic piston stroking upward and allow iron core spring promote to answer magnetic descent of piston, constantly the rock gas in gas well is extracted out and be transported in the pipeline of conveying shale gas.

A manufacture method for efficient extraction natural-gas energy-saving equipment, is characterized in that:

During fabrication, the type in protecting crust employing metal, plastics, nylon, glass fibre reinforced plastics or the material manufacture of several types; A type in hollow valve body gentle pump case employing metal, plastics, nylon and glass fibre reinforced plastics or the material manufacture of several types; The material manufacture of ball sealer or the type sealed in cone employing metal, plastics, nylon and rubber or several types; A type in sealing plate employing metal, plastics, nylon and glass fibre reinforced plastics or the material manufacture of several types; Magnetic piston is answered to adopt the material manufacture of the hard to bear magnetic field suction of energy; A type in fixed plug employing metal, plastics, nylon, glass fibre reinforced plastics, rubber or the material manufacture of several types; Iron core spring adopts the material manufacture of a type in metal and rubber or two types, and when adopting rubber material to manufacture, iron core spring creates hollow tubular type spring, utilizes the elasticity of rubber and contractibility to realize the function of spring.

Protecting crust creates the hollow cavity of annular, and hollow cavity manufactures string holes, and string holes creates the hole allowing insulated electric conductor pass; The parts installed in field controller, the gentle pump case of electromagnetic coil and air pump shell are installed in hollow cavity, or, the parts installed in electronic remote controller, field controller, the gentle pump case of electromagnetic coil and air pump shell are installed in hollow cavity; The inner of the annular housing of hollow cavity is fixed on air pump 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 air pump 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 air pump shell center hole, lower end manufactures has inlet hole to pass air pump shell; The middle part of the lower end in air pump shell manufactures sealing neck protruding upward, the inside of sealing neck upper part creates closed hole, lower part creates inlet hole, closed hole communicates with inlet hole, closed hole and sealing plate below simultaneously coordinate; Described closed hole creates the hole of shallow cylindrical or shallow cone cylindricality, what be manufactured on the inlet hole in the sealing neck of the lower end in air pump shell forms one-level rank with the upper-end surface of sealing neck above, the face, hole in the hole of shallow columniform hole or shallow cone cylindricality create hold sealing plate inner headed face or internal conical surface, the bottom surface of closed hole creates porose annular sealing surface below.

Gas outlet valve creates hollow valve body and ball sealer or sealing and bores 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 or sealing cone; Inner conical surface and ball sealer can be opened when being with the rock gas of pressure from the endoporus of hollow valve body lower end or seal the sealing of boring and form passage.

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

Answer magnetic piston to create columniform iron core, 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; Described periphery coordinates with the inner chamber of air pump shell can the inner chamber of blanket gas pump case, and can slide in the inner chamber of air pump shell.The cylindrical central portion position of described columniform iron core manufactures penetration hole and receiving bore, receiving bore runs through the lower end surface of iron core, and penetration hole runs through above iron core, and receiving bore is manufactured on below penetration hole, receiving bore communicates with penetration hole and air-inlet cavity, and penetration hole communicates with extrusion chamber and receiving bore.Described penetration hole creates the top that upper part runs through the upper-end surface of iron core, lower part runs through the receiving bore of iron core lower part, the lower part of penetration hole creates vent, the upper part of penetration hole creates consent, and the intermediate portion between vent and consent creates internal taper hole.The receiving bore of depression on the manufacture of the lower end of columniform iron core is oriented, described receiving bore creates circular hole that communicate with vent, that upwards cave in, when answering the lower end in magnetic piston arrives air pump shell, receiving bore can hold restriction cap and restriction cap is not collided with answering magnetic piston.Manufacture on receiving bore and have vent, manufacturing above of vent has internal taper hole, and manufacturing above of internal taper hole has consent; Described vent creates the via hole allowing rock gas pass through, and communicates with receiving bore and consent; Described consent creates the hole of installation and fixing fixed plug, communicates with receiving bore and extrusion chamber.

Fixed plug creates the plug that there is vent centre, and described plug creates centre the cylinder of through hole or annular ring or jump ring circle, can limit to be arranged on and answer the ball sealer in the internal taper hole in magnetic piston or sealing to bore the distance moved up; Fixed plug creates centre when having a cylinder of through hole, and the fixing employing interference fit in consent is fixed or screw-thread fit is fixed or adopt jump ring to be stuck in the two ends of the jump-ring slot internal fixtion cylinder in consent; When fixed plug creates annular ring, the fixing employing interference fit in consent is fixed or is adopted jump ring to be stuck in the two ends of the jump-ring slot internal fixtion annular ring in consent; When fixed plug creates jump ring circle, directly jump ring is stuck in consent.

Internal taper hole creates the circular hole of tapering, and the face of circular hole creates inner conical surface; The small end of internal taper hole under, hold upper greatly, in the hollow valve body being manufactured on gas outlet valve respectively and answer in the penetration hole of magnetic piston; Can inner conical surface be sealed under the effect of the gravity of ball sealer or sealing cone self, inner conical surface and ball sealer can be opened by suction when having suction on ball sealer or sealing cone or seal the passage of boring and sealing; The air pressure that ball sealer or sealing are bored above is larger, and the gluing, sealing effect of ball sealer or sealing cone and inner conical surface is better.

Sealing cone creates cone or cone cylinder, and the annular surface of cone or cone cylinder creates the male cone (strobilus masculinus) of tapering; The male cone (strobilus masculinus) of sealing cone and inner conical surface press down by sealing the gravity of boring self and seal inner conical surface when sealing.

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

Sealing plate creates circular flat board, and below dull and stereotyped, one side creates sealing surface, and sealing surface coordinates with the closed hole in sealing neck.

Restriction cap creates calotte, and the crown part of calotte manufactures the air passing hole allowing gas pass through, and the hatband partial fixing of calotte can limit the distance of moving on sealing plate on sealing neck.

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 the circuit switch connected and cut 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 air pump 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 air pump 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 closed hole, the time in of not installing sealing plate in closed hole, closed hole communicates with inlet hole.

In protecting crust, be provided with electromagnetic coil, electromagnetic coil is fixed on the upper part outside air pump shell, and protecting crust is fixed on the outside protection electromagnetic coil on the top of air pump shell; Below the outside of protecting crust, one side is fixed with foot rest, and the lower end of foot rest protects suction tude not oppressed lower than air pump 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.Be provided with in air pump shell sealing plate, restriction cap, iron core spring, answer magnetic piston, ball sealer or sealing cone, fixed plug, iron core spring fitting is at the upper part of the inner chamber of air pump shell, magnetic piston is answered to be arranged on the lower part of the inner chamber of air pump shell, the top, upper end of iron core spring is pressed in the upper end of the inner chamber of air pump shell, lower end is pressed in the upper end portion of answering magnetic piston, answers magnetic piston can slide up and down in the inner chamber of air pump shell; Answer in the internal taper hole below the consent in magnetic piston be provided with ball sealer or sealing cone, ball sealer or sealing cone can move up and down in internal taper hole, in consent, be provided with fixed plug to limit ball sealer or to seal displacement distance when cone moves up in internal taper hole, the fixing employing interference fit of fixed plug in consent is fixed or screw-thread fit is fixed or adopt jump ring to be stuck in the two ends of the jump-ring slot internal fixtion fixed plug in consent; The passage entering rock gas of answering on magnetic piston can be closed when the sphere of ball sealer or the male cone (strobilus masculinus) of sealing cone coordinate with the inner conical surface of internal taper hole and seal, when the sphere of ball sealer or the male cone (strobilus masculinus) of sealing cone separate with the inner conical surface of internal taper hole, the passage entering rock gas of answering on magnetic piston can be opened; Be provided with sealing plate in closed hole in the sealing neck of the lower end in air pump 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; Sealing plate coordinates with the closed hole in sealing neck and can seal or open the passage entering rock gas entered in air pump shell; When answering magnetic piston stroking upward, the inner chamber part of answering the air pump shell of magnetic piston lower part is air-inlet cavity; When answering magnetic descent of piston, the inner chamber part of answering the air pump shell of magnetic piston upper part is extrusion chamber.Be fixed with suction tude at the air inlet position of the lower end of air pump shell, the endoporus of suction tude communicates with inlet hole; Be provided with gas outlet valve in the upper end of air pump shell, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of air pump shell; The part that the upper-end surface of air pump 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 compact structure of the present invention's efficient extraction natural-gas energy-saving equipment, vibrate little, utilization rate of electrical is high, powerful, is applicable to extraction rock gas from 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 of efficient extraction natural-gas energy-saving equipment.

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: protecting crust 1, foot rest 2, suction tude 3, air pump shell 4, hollow valve body 5, iron core spring 6, answer magnetic piston 7, ball sealer 8 or sealing cone 8, fixed plug 10, restriction cap 11, air passing hole 12, electromagnetic coil 13, sealing plate 14, receiving bore 15, vent 16, internal taper hole 17, consent 18, inner conical surface 19.

Embodiment

The present invention's efficient extraction natural-gas energy-saving equipment mainly comprises protecting crust 1, electromagnetic coil 13, air pump shell 4, inlet hole, sealing plate 14, ball sealer 8 or sealing cone 8, restriction cap 11, iron core spring 6, answers magnetic piston 7, fixed plug 10, internal taper hole 17, vent 16, gas outlet valve, suction tude 3, field controller, electronic remote controller; Or comprise protecting crust 1, electromagnetic coil 13, air pump shell 4, inlet hole, sealing plate 14, ball sealer 8 or sealing cone 8, restriction cap 11, iron core spring 6, answer magnetic piston 7, fixed plug 10, internal taper hole 17, vent 16, gas outlet valve, suction tude 3, field controller.

In protecting crust 1, be provided with electromagnetic coil 13, electromagnetic coil 13 is fixed on the upper part outside air pump shell 4, and protecting crust 1 is fixed on the outside protection electromagnetic coil 13 on the top of air pump shell 4; Below the outside of protecting crust 1, one side is fixed with foot rest 2, and the lower end of foot rest 2 protects suction tude 3 not oppressed lower than air pump shell 4 lower end.

The circuit connecting electromagnetic coil 13 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 1; Or the circuit connecting electromagnetic coil 13 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 1.

Sealing plate 14, restriction cap 11, iron core spring 6 are installed in air pump shell 4, answer magnetic piston 7, ball sealer 8 or seal cone 8, fixed plug 10, iron core spring 6 is arranged on the upper part of the inner chamber of air pump shell 4, magnetic piston 7 is answered to be arranged on the lower part of the inner chamber of air pump shell 4, the top, upper end of iron core spring 6 is pressed in the upper end of the inner chamber of air pump shell 4, lower end is pressed in the upper end portion of answering magnetic piston 7, answers magnetic piston 7 can slide up and down in the inner chamber of air pump shell 4; Ball sealer 8 or sealing cone 8 are installed in the internal taper hole 17 below the consent 18 of answering in magnetic piston 7, ball sealer 8 or sealing cone 8 can move up and down in internal taper hole 17, in consent 18, be provided with fixed plug 10 to limit ball sealer 8 or to seal displacement distance when cone 8 moves up in internal taper hole 17, the fixing employing interference fit of fixed plug 10 in consent 18 is fixed or screw-thread fit is fixed or adopt jump ring to be stuck in the two ends of the jump-ring slot internal fixtion fixed plug 10 in consent 18; The passage entering rock gas of answering on magnetic piston 7 can be closed when the sphere of ball sealer 8 or the sealing male cone (strobilus masculinus) of cone 8 coordinate with the inner conical surface 19 of internal taper hole 17 and seal, when the sphere of ball sealer 8 or the sealing male cone (strobilus masculinus) of cone 8 separate with the inner conical surface 19 of internal taper hole 17, the passage entering rock gas of answering on magnetic piston 7 can be opened; In closed hole in the sealing neck of the lower end in air pump shell 4, sealing plate 14 is installed, restriction cap 11 is fixed on the outside of sealing neck by screw thread or jump ring, when restriction cap 11 is in the receiving bore 15 of answering the lower end of magnetic piston 7 upwards to cave in, restriction cap 11 has gap with receiving bore 15; Sealing plate 14 coordinates with the closed hole in sealing neck and can seal or open the passage entering rock gas entered in air pump shell 4; When answering magnetic piston 7 up, the inner chamber part of answering the air pump shell 4 of magnetic piston 7 lower part is air-inlet cavity; When answering magnetic piston 7 descending, the inner chamber part of answering the air pump shell 4 of magnetic piston 7 upper part is extrusion chamber.Be fixed with suction tude 3 at the air inlet position of the lower end of air pump shell 4, the endoporus of suction tude 3 communicates with inlet hole; Be provided with gas outlet valve in the upper end of air pump shell 4, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of air pump shell 4; The part that the upper-end surface of air pump shell 4 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 1 adopts the material manufacture of a type in metal, plastics, nylon, glass fibre reinforced plastics, rubber or several types, when protecting crust 1 when adopting rubber material to manufacture or after manufacture shaping is soft-shell, it is made to float on gas face will first in use the inflation of the inner chamber of protecting crust 1; The gentle pump case 4 of hollow valve body 5 adopts the material manufacture of a type in metal, plastics, nylon and glass fibre reinforced plastics or several types; Ball sealer 8 or sealing cone 8 adopt the material manufacture of a type in metal, plastics, nylon and rubber or several types; Sealing plate 14 adopts the material manufacture of a type in metal, plastics, nylon and glass fibre reinforced plastics or several types; Magnetic piston 7 is answered to adopt the material manufacture of the hard to bear magnetic field suction of energy; Fixed plug 10 adopts the material manufacture of a type in metal, plastics, nylon, glass fibre reinforced plastics, rubber or several types; Iron core spring 6 adopts the material manufacture of a type in metal and rubber or two types, and when adopting rubber material to manufacture, iron core spring 6 creates hollow tubular type spring, utilizes the elasticity of rubber and contractibility to realize the function of spring.

Protecting crust 1 creates the hollow cavity of annular, and hollow cavity manufactures string holes, and string holes creates the hole allowing insulated electric conductor pass; The parts installed in field controller, the gentle pump case 4 of electromagnetic coil 13 and air pump shell 4 are installed in hollow cavity, or, the parts installed in electronic remote controller, field controller, the gentle pump case 4 of electromagnetic coil 13 and air pump shell 4 are installed in hollow cavity; The inner of the annular housing of hollow cavity is fixed on air pump shell 4.

Conveniently assemble, during fabrication, after protecting crust 1 is divided into two-part manufacture from annular position, recombinant together for protecting crust 1.

The inner chamber of air pump shell 4 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 air pump shell 4 center hole, lower end manufactures has inlet hole to pass air pump shell 4; The middle part of the lower end in air pump shell 4 manufactures sealing neck protruding upward, the inside of sealing neck upper part creates closed hole, lower part creates inlet hole, closed hole communicates with inlet hole, and closed hole simultaneously coordinates with below sealing plate 14; Described closed hole creates the hole of shallow cylindrical or shallow cone cylindricality, what be manufactured on the inlet hole in the sealing neck of the lower end in air pump shell 4 forms one-level rank with the upper-end surface of sealing neck above, the face, hole in the hole of shallow columniform hole or shallow cone cylindricality creates the inner headed face or internal conical surface that hold sealing plate 14, and the bottom surface of closed hole creates porose annular sealing surface below.

Gas outlet valve creates hollow valve body 5 and ball sealer 8 or seals cone 8 two-part, hollow valve body 5 creates hollow tubular, internal taper hole 17 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 17 in hollow tubular manufactures is large, lower part manufactures is little; The lower end of hollow valve body 5 manufactures return-air sealed end, the lower end surface of return-air sealed end is manufactured on the lower end of hollow valve body 5, upper-end surface creates internal taper hole 17, the large end of internal taper hole 17 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 19 of internal taper hole 17 is provided with ball sealer 8 or sealing cone 8; Inner conical surface 19 and ball sealer 8 can be opened when being with the rock gas of pressure from the endoporus of hollow valve body 5 lower end or seal the sealing of cone 8 and form passage.

For the ease of air pump shell 4 processing and be convenient to accessory to load in air pump shell 4, described air pump shell 4 create segmentation processing manufacture after assemblying body; The upper end of the circular cylindrical cavity part in air pump shell 4 is divided into two sections of manufactures, the main body that the upper part of segmentation place creates pump cover, lower part creates air pump shell 4, center hole is manufactured on pump cover, inlet hole is manufactured on the middle part of the main body lower end of air pump shell 4, and being combined into after the main body after the gentle pump case 4 of pump cover manufactures is a composite entity; Or, the lower end of the circular cylindrical cavity part in air pump shell 4 is divided into two sections of manufactures, the main body that the lower part of segmentation place creates pump cover, upper part creates air pump shell 4, 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 air pump shell 4, and being combined into after the main body of pump cover and air pump shell 4 manufactures is a composite entity.

Answer magnetic piston 7 to create columniform iron core, 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; Described periphery coordinates with the inner chamber of air pump shell 4 can the inner chamber of blanket gas pump case 4, and can slide in the inner chamber of air pump shell 4.The cylindrical central portion position of described columniform iron core manufactures penetration hole and receiving bore 15, receiving bore 15 runs through the lower end surface of iron core, penetration hole runs through above iron core, receiving bore 15 is manufactured on below penetration hole, receiving bore 15 communicates with penetration hole and air-inlet cavity, and penetration hole communicates with extrusion chamber and receiving bore 15.Described penetration hole creates the top that upper part runs through the upper-end surface of iron core, lower part runs through the receiving bore 15 of iron core lower part, the lower part of penetration hole creates vent 16, the upper part of penetration hole creates consent 18, and the intermediate portion between vent 16 and consent 18 creates internal taper hole 17.The receiving bore 15 of depression on the manufacture of the lower end of columniform iron core is oriented, described receiving bore 15 creates circular hole that communicate with vent 16, that upwards cave in, when the lower end of answering magnetic piston 7 to arrive in air pump shell 4, receiving bore 15 can hold restriction cap 11 and restriction cap 11 is not collided with answering magnetic piston 7.Manufacture on receiving bore 15 and have vent 16, manufacturing above of vent 16 has internal taper hole 17, and manufacturing above of internal taper hole 17 has consent 18; Described vent 16 creates the via hole allowing rock gas pass through, and communicates with receiving bore 15 and consent 18; Described consent 18 creates the hole of installation and fixing fixed plug 10, communicates with receiving bore 15 and extrusion chamber.

Fixed plug 10 creates the plug that there is vent 16 centre, and described plug creates centre the cylinder of through hole or annular ring or jump ring circle, can limit the distance being arranged on and answering the ball sealer 8 in the internal taper hole 17 in magnetic piston 7 or sealing cone 8 to move up; Fixed plug 10 creates centre when having a cylinder of through hole, and the fixing employing interference fit in consent 18 is fixed or screw-thread fit is fixed or adopt jump ring to be stuck in the two ends of the jump-ring slot internal fixtion cylinder in consent 18; When fixed plug 10 creates annular ring, the fixing employing interference fit in consent 18 is fixed or is adopted jump ring to be stuck in the two ends of the jump-ring slot internal fixtion annular ring in consent 18; When fixed plug 10 creates jump ring circle, directly jump ring is stuck in consent 18.

Internal taper hole 17 creates the circular hole of tapering, and the face of circular hole creates inner conical surface 19; The small end of internal taper hole 17 under, hold upper greatly, in the hollow valve body 5 being manufactured on gas outlet valve respectively and answer in the penetration hole of magnetic piston 7; Inner conical surface 19 can be sealed under the effect of the gravity of ball sealer 8 or sealing cone 8 self, inner conical surface 19 and ball sealer 8 can be opened when ball sealer 8 or sealing cone 8 have above suction by suction or seal the passage that cone 8 seals; Air pressure above ball sealer 8 or sealing cone 8 is larger, and the gluing, sealing effect of ball sealer 8 or sealing cone 8 and inner conical surface 19 is better.

Sealing cone 8 creates cone or cone cylinder, and the annular surface of cone or cone cylinder creates the male cone (strobilus masculinus) of tapering; The male cone (strobilus masculinus) of sealing cone 8 and inner conical surface 19 press down by the gravity sealing cone 8 self and seal inner conical surface 19 when sealing.

Ball sealer 8 creates spherosome or oval ball, and the surface of spherosome or oval ball creates sealing surface, and sealing surface creates smooth sphere; Self gravitation by ball sealer 8 when the sphere of ball sealer 8 and inner conical surface 19 seal presses down and seals inner conical surface 19.

Sealing plate 14 creates circular flat board, and below dull and stereotyped, one side creates sealing surface, and sealing surface coordinates with the closed hole in sealing neck.

Restriction cap 11 creates calotte, and the crown part of calotte manufactures the air passing hole 12 allowing gas pass through, and the hatband partial fixing of calotte can limit the distance that sealing plate 14 moves on sealing neck.

Field controller creates and controls the controller that generates an electromagnetic field of electromagnetic coil 13, 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 3 creates the inlet hole connecting air pump shell 4 and the hollow tubular being connected the pipeline exporting rock gas in gas well.

Inlet hole create rock gas enter the inner chamber of air pump shell 4 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 closed hole, when not installing sealing plate 14 in closed hole, closed hole communicates with inlet hole.

Keeping the shape of protecting crust 1 to ensure protecting crust 1 that electromagnetic coil 13 can be protected not to be damaged, in the inner chamber of protecting crust 1, manufacturing the skeleton having support.

Rock gas in the air-inlet cavity that can promote in air pump shell 4 to make to answer magnetic piston 7 enters in extrusion chamber, adopts iron core spring 6 as the power promoting to answer magnetic piston 7 descending.

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 extruding rock gas in extrusion chamber, air-inlet cavity is by ball sealer 8 or sealing cone 8 and answer the internal taper hole 17 in magnetic piston 7 to seal and disconnect the passage entering rock gas entering extrusion chamber.

Described efficient extraction natural-gas energy-saving equipment extracts in the process of rock gas in gas well, 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, answer the suction of the up generation of magnetic piston 7 to open sealing plate 14 and the sealing of closed hole and the passage opened into rock gas, be arranged on and answer the ball sealer 8 on the internal taper hole 17 in magnetic piston 7 or sealing cone 8 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 ball sealer 8 on the internal taper hole 17 of gas outlet valve or sealing cone 8 utilizes the gravity of self to make ball sealer 8 or sealing cone 8 decline return and the passage of closing the discharge on gas outlet valve seals automatically, answers magnetic piston 7 descending and makes to produce pressure air-inlet cavity in and promote ball sealer 8 or seal the up passage entering rock gas entered in extrusion chamber of then opening of cone 8; When extrusion chamber discharges rock gas, under the effect of outlet pressure, promote ball sealer 8 on the internal taper hole 17 of gas outlet valve or sealing cone 8 up and open the passage of giving vent to anger of gas outlet valve, be arranged on and answer the ball sealer 8 on the internal taper hole 17 in magnetic piston 7 or sealing cone 8 to utilize the gravity of self to make ball sealer 8 or sealing cone 8 decline return and close and answer the passage entering rock gas on magnetic piston 7 to seal automatically.

During use, the foot rest 2 of efficient extraction natural-gas energy-saving equipment is supported and fixed on the ground, and suction tude 3 is connected with the steam outlet pipe in gas well.Do not have remote control unit, directly connect the circuit that the circuit switch that is connected with insulated electric conductor is connected with field controller, the power-on circuit of field controller connection electromagnetic coil 13 generates an electromagnetic field; Have remote control unit, press the starting button of remote controller switch, the circuit of electronic remote controller and field controller connected by electronic signal receiver after receiving activating signal, and the power-on circuit that field controller connects electromagnetic coil 13 generates an electromagnetic field; The attraction force that electromagnetic field produces pulls the pressure of answering magnetic piston 7 to overcome iron core spring 6 to move up, when answering magnetic piston 7 to start up, be arranged on and answer the ball sealer 8 on the internal taper hole 17 in magnetic piston 7 or sealing cone 8 descending return and close the passage entering rock gas that rock gas enters extrusion chamber under the effect of the gravity of self; When answering magnetic piston 7 up, answer the up of magnetic piston 7 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 17 in gas outlet valve promote ball sealer 8 or sealing cone 8 up and open the sealing channel of gas outlet valve, make the rock gas in extrusion chamber after gas outlet valve, enter into the pipeline of transport gas; Answer magnetic piston 7 when up, magnetic piston 7 is answered also to make to create pull of vacuum in air-inlet cavity, pull of vacuum inhales motive sealing plate 14 makes sealing plate 14 separate with the sealing surface of closed hole, rock gas enters into closed hole from suction tude 3 through inlet hole, then the air passing hole 12 on restriction cap 11 enters in the air-inlet cavity of answering below magnetic piston 7 in air pump shell 4.

When answering the up compression stage moving to compression iron core spring 6 of magnetic piston 7 spacing, the power-on circuit of field controller cutoff solenoid 13, electromagnetic field disappears, and answers magnetic piston 7 descending under the promotion of iron core spring 6; When answering magnetic piston 7 to start descending, the sealing plate 14 be arranged in the closed hole of lower end in air pump shell 4 cuts out the passage entering rock gas entering air-inlet cavity under the effect of self gravitation, ball sealer 8 in gas outlet valve or sealing cone 8 descending return and seal the inner conical surface 19 of gas outlet valve under the effect of the gravity of self, has cut off the outlet passageway of extrusion chamber; Answer magnetic piston 7 when descending, the rock gas of answering magnetic piston 7 to promote to enter in air-inlet cavity and make rock gas produce internal pressure, having the rock gas of pressure to enter into the ball sealer 8 of answering the internal taper hole 17 in magnetic piston 7 upwards to wash open to seal with internal taper hole 17 from the vent 16 of answering in magnetic piston 7 or sealing continues up after cone 8 is shifted, enter in extrusion chamber after the vent 16 in fixed plug 10.

Answer magnetic piston 7 descending when putting in place under the promotion of iron core spring 6, be arranged on and answer the ball sealer 8 on the inner conical surface 19 in magnetic piston 7 or sealing cone 8 descending inner conical surface 19 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 13 again generates an electromagnetic field and makes to answer magnetic piston 7 up; The connection of circulation like this and cut off circuit, makes electromagnetic coil 13 generate an electromagnetic field to pull to answer magnetic piston 7 up and allow iron core spring 6 promote to answer magnetic piston 7 descending, constantly the rock gas in gas well is extracted out and be transported in the pipeline of conveying shale gas.

Claims

1. an efficient extraction natural-gas energy-saving equipment, is characterized in that: described efficient extraction natural-gas energy-saving equipment comprise protecting crust, electromagnetic coil, air pump shell, inlet hole, sealing plate, sealing cone, restriction cap, iron core spring, answer magnetic piston, fixed plug, internal taper hole, vent, gas outlet valve, suction tude, field controller;

In protecting crust, be provided with electromagnetic coil, electromagnetic coil is fixed on the upper part outside air pump shell, and protecting crust is fixed on the outside protection electromagnetic coil on the top of air pump shell; Below the outside of protecting crust, one side is fixed with foot rest, and the lower end of foot rest protects suction tude not oppressed lower than air pump 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;

Be provided with in air pump shell sealing plate, restriction cap, iron core spring, answer magnetic piston, sealing cone, fixed plug, iron core spring fitting is at the upper part of the inner chamber of air pump shell, magnetic piston is answered to be arranged on the lower part of the inner chamber of air pump shell, the top, upper end of iron core spring is pressed in the upper end of the inner chamber of air pump shell, lower end is pressed in the upper end portion of answering magnetic piston, answers magnetic piston can slide up and down in the inner chamber of air pump shell; Answer in the internal taper hole below the consent in magnetic piston be provided with sealing cone, sealing cone can move up and down in internal taper hole, in consent, be provided with fixed plug limit displacement distance when sealing cone moves up in internal taper hole, the fixing employing interference fit of fixed plug in consent is fixed or screw-thread fit is fixed or adopt jump ring to be stuck in the two ends of the jump-ring slot internal fixtion fixed plug in consent; The passage entering rock gas of answering on magnetic piston can be closed when the sphere of ball sealer or the male cone (strobilus masculinus) of sealing cone coordinate with the inner conical surface of internal taper hole and seal, when the sphere of ball sealer or the male cone (strobilus masculinus) of sealing cone separate with the inner conical surface of internal taper hole, the passage entering rock gas of answering on magnetic piston can be opened; Be provided with sealing plate in closed hole in the sealing neck of the lower end in air pump 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; Sealing plate coordinates with the closed hole in sealing neck and can seal or open the passage entering rock gas entered in air pump shell; When answering magnetic piston stroking upward, the inner chamber part of answering the air pump shell of magnetic piston lower part is air-inlet cavity; When answering magnetic descent of piston, the inner chamber part of answering the air pump shell of magnetic piston upper part is extrusion chamber; Be fixed with suction tude at the air inlet position of the lower end of air pump shell, the endoporus of suction tude communicates with inlet hole; Be provided with gas outlet valve in the upper end of air pump shell, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of air pump shell; The part that the upper-end surface of air pump 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;

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

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 air pump 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 air pump shell, lower end has inlet hole to pass air pump shell; There is sealing neck protruding upward at the middle part of the lower end in air pump shell, the upper part of the inside of sealing neck is closed hole, lower part is inlet hole, the time in of not installing sealing plate in closed hole, closed hole communicates with inlet hole, closed hole and sealing plate below one side coordinate; Described closed hole is the hole of shallow cylindrical or shallow cone cylindricality, one-level rank are formed with the upper-end surface of sealing neck above inlet hole in the sealing neck of the lower end in air pump shell, the face, hole in the hole of shallow columniform hole or shallow cone cylindricality be hold sealing plate inner headed face or internal conical surface, the bottom surface of closed hole is annular sealing surface porose below;

Described gas outlet valve comprises hollow valve body and sealing cone, 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; Inner conical surface can be opened when being with the rock gas of pressure from the endoporus of hollow valve body lower end and form passage with sealing the sealing of boring;

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

Described magnetic piston of answering is columniform iron core, and 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; Described periphery coordinates with the inner chamber of air pump shell can the inner chamber of blanket gas pump case, and can slide in the inner chamber of air pump shell; There are penetration hole and receiving bore in the cylindrical central portion position of described columniform iron core, receiving bore runs through the lower end surface of iron core, and penetration hole runs through above iron core, and receiving bore is below penetration hole, receiving bore communicates with penetration hole and air-inlet cavity, and penetration hole communicates with extrusion chamber and receiving bore; The top that the upper part of described penetration hole runs through the upper-end surface of iron core, lower part runs through the receiving bore of iron core lower part, the lower part of penetration hole is vent, the upper part of penetration hole is consent, and the intermediate portion between vent and consent is internal taper hole; The receiving bore of depression on the lower end of columniform iron core is oriented, the circular hole that described receiving bore communicates with vent, upwards cave in, when answering the lower end in magnetic piston arrives air pump shell, receiving bore is for holding restriction cap and making restriction cap not collide with answering magnetic piston; Being vent on receiving bore, is internal taper hole above vent, is consent above internal taper hole; Described vent is the via hole allowing rock gas pass through, and communicates with receiving bore and consent; Described consent is the hole of installation and fixing fixed plug, communicates with receiving bore and extrusion chamber;

Described fixed plug be restriction be arranged on answer the sealing in the internal taper hole in magnetic piston bore the distance moved up, centre has the plug of vent, described plug to be that centre has the cylinder of through hole or annular ring or jump ring circle; Fixed plug is centre when having a cylinder of through hole, and the fixing employing interference fit in consent is fixed or screw-thread fit is fixed or adopt jump ring to be stuck in the two ends of the jump-ring slot internal fixtion cylinder in consent; When fixed plug is annular ring, the fixing employing interference fit in consent is fixed or is adopted jump ring to be stuck in the two ends of the jump-ring slot internal fixtion annular ring in consent; When fixed plug is jump ring circle, directly jump ring is stuck in consent;

Described internal taper hole is the circular hole having tapering, and the face of circular hole is inner conical surface; The small end of internal taper hole under, hold upper greatly, respectively in the hollow valve body of gas outlet valve and answer in the penetration hole of magnetic piston; Inner conical surface with seal the male cone (strobilus masculinus) of bore and coordinate, can inner conical surface be sealed under the effect of the gravity of sealing cone self, inner conical surface can be opened when sealing and having suction above cone by suction and seal and bore the passage sealed; Sealing cone air pressure is above larger, and sealing cone is better with the gluing, sealing effect of inner conical surface;

Described sealing cone is cone or cone cylinder, and the annular surface of cone or cone cylinder is the male cone (strobilus masculinus) having tapering; Gravity by self when the male cone (strobilus masculinus) of sealing cone and inner conical surface seal presses down and seals inner conical surface;

Described sealing plate is circular flat board, and below dull and stereotyped, one side is sealing surface, and sealing surface is used for coordinating with the closed hole in sealing neck;

Described restriction cap is calotte, and the crown part of calotte has the air passing hole allowing gas pass through, and the hatband partial fixing of calotte can limit the distance of moving on sealing plate on sealing neck;

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 air pump 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 air pump shell through air passing hole, at the lower part in the center portion of sealing neck, have closed hole above the upper end of the inlet hole in sealing neck, the time in of not installing sealing plate in closed hole, closed hole communicates with inlet hole;

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 extruding rock gas in extrusion chamber, air-inlet cavity is by sealing cone and answer the internal taper hole in magnetic piston seal and disconnect the passage entering rock gas entering extrusion chamber;

Described efficient extraction natural-gas energy-saving equipment extracts in the process of rock gas in gas well, 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 suction of answering magnetic piston stroking upward to produce open sealing plate with the sealing of closed hole the passage opened into rock gas, be arranged on and answer the sealing on the internal taper hole in magnetic piston to bore automatic decline return under the effect of self gravitation and close the passage entering rock gas entered in extrusion chamber and seal; When extrusion chamber enters rock gas, the passage that the sealing cone be arranged on the internal taper hole of gas outlet valve utilizes the gravity of self to make sealing bore automatic decline return and closes the discharge on gas outlet valve seals, and answers magnetic descent of piston and makes to produce air-inlet cavity in pressure and promote sealing and bore the up passage entering rock gas entered in extrusion chamber of then opening; When extrusion chamber discharges rock gas, under the effect of outlet pressure, promote sealing cone on the internal taper hole of gas outlet valve up and open the passage of giving vent to anger of gas outlet valve, being arranged on and answering the sealing on the internal taper hole in magnetic piston to bore to utilize the gravity of self to make sealing bore automatic decline return and close and answer the passage entering rock gas on magnetic piston to seal;

During use, the foot rest of efficient extraction natural-gas energy-saving equipment is supported and fixed on the ground, and suction tude is connected with the steam outlet pipe in gas well; The circuit that the circuit switch that connection is connected with insulated electric conductor is connected with field controller, the power-on circuit that field controller connects electromagnetic coil generates an electromagnetic field; The attraction force that electromagnetic field produces pulls answers the pressure of magnetic piston overpowers iron core spring to move up, when answering magnetic piston to start up, be arranged on and answer the sealing on the internal taper hole in magnetic piston bore descending return under the effect of the gravity of self and close the passage entering rock gas that rock gas enters extrusion chamber; When answering magnetic piston stroking upward, answer the up of magnetic piston 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 sealing cone up and open the sealing channel of gas outlet valve, makes the rock gas in extrusion chamber after gas outlet valve, enter into the pipeline of transport gas; Answer magnetic piston when up, magnetic piston is answered also to make to create pull of vacuum in air-inlet cavity, pull of vacuum inhales motive sealing plate makes sealing plate separate with the sealing surface of closed hole, rock gas enters into closed 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 air pump shell;

Answer magnetic piston stroking upward 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 answers magnetic piston descending under the promotion of iron core spring; When answering magnetic piston to start descending, be arranged on the sealing plate in the closed hole of lower end in air pump shell under the effect of self gravitation, close the passage entering rock gas entering air-inlet cavity, sealing in gas outlet valve is bored descending return under the effect of the gravity of self and seals the inner conical surface of gas outlet valve, has cut off the outlet passageway of extrusion chamber; Answer magnetic piston when descending, the rock gas of answering magnetic piston to promote to enter in air-inlet cavity and make rock gas produce internal pressure, have the rock gas of pressure from the vent of answering in magnetic piston enter into answer the internal taper hole in magnetic piston upwards wash open the sealing sealed with internal taper hole bore be shifted after continue up, enter after the vent in fixed plug in extrusion chamber;

Answer magnetic piston descending when putting in place under the promotion of iron core spring, be arranged on and answer the sealing on the inner conical surface in magnetic piston bore descending inner conical surface is shut under the effect of the gravity of self and make rock gas not return air-inlet cavity, now, the power-on circuit that field controller connects again electromagnetic coil again generates an electromagnetic field and makes to answer magnetic piston stroking upward; The connection of circulation like this and cut off circuit, makes electromagnetic coil generate an electromagnetic field to pull to answer magnetic piston stroking upward and allow iron core spring promote to answer magnetic descent of piston, constantly the rock gas in gas well is extracted out and be transported in the pipeline of conveying shale gas.

2. efficient extraction natural-gas energy-saving equipment according to claim 1, is characterized in that: keep the shape of protecting crust to ensure protecting crust that electromagnetic coil can be protected not to be damaged, and manufactures the skeleton having support in the inner chamber of protecting crust.

3. efficient extraction natural-gas energy-saving equipment according to claim 1, is characterized in that: in order to enable rock gas enter in air pump shell, the inlet hole swimming in the protecting crust on rock gas face must slip into the following air pump in gas face and can normally work.

4. efficient extraction natural-gas energy-saving equipment according to claim 1, is characterized in that: adopt the circuit switch be connected with insulated electric conductor to come connection and the cut-out of the connecting circuit of controlling magnetic field controller.

5. efficient extraction natural-gas energy-saving equipment according to claim 1, is characterized in that: the compact structure of described efficient extraction natural-gas energy-saving equipment, vibrate little, utilization rate of electrical is high, powerful, is applicable to extraction rock gas from gas well; The market prospects of industrialization are good, commercial value is high, manufacture and use all very convenient.

6. the manufacture method of an efficient extraction natural-gas energy-saving equipment, it is characterized in that: during fabrication, iron core spring adopts the material manufacture of a type in metal and rubber or two types, when adopting rubber material to manufacture, iron core spring creates hollow tubular type spring, utilizes the elasticity of rubber and contractibility to realize the function of spring;

Protecting crust creates the hollow cavity of annular, and hollow cavity manufactures string holes, and string holes creates the hole allowing insulated electric conductor pass; Be provided with the parts installed in field controller, the gentle pump case of electromagnetic coil and air pump shell in hollow cavity, the inner of the annular housing of hollow cavity is fixed on air pump 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 air pump 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 air pump shell center hole, lower end manufactures has inlet hole to pass air pump shell; The middle part of the lower end in air pump shell manufactures sealing neck protruding upward, the inside of sealing neck upper part creates closed hole, lower part creates inlet hole, closed hole communicates with inlet hole, closed hole and sealing plate below simultaneously coordinate; Described closed hole creates the hole of shallow cylindrical or shallow cone cylindricality, what be manufactured on the inlet hole in the sealing neck of the lower end in air pump shell forms one-level rank with the upper-end surface of sealing neck above, the face, hole in the hole of shallow columniform hole or shallow cone cylindricality create hold sealing plate inner headed face or internal conical surface, the bottom surface of closed hole creates porose annular sealing surface below;

Gas outlet valve creates hollow valve body and sealing cone 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; Inner conical surface can be opened when being with the rock gas of pressure from the endoporus of hollow valve body lower end and form passage with sealing the sealing of boring;

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

Answer magnetic piston to create columniform iron core, 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; Described periphery coordinates with the inner chamber of air pump shell can the inner chamber of blanket gas pump case, and can slide in the inner chamber of air pump shell; The cylindrical central portion position of described columniform iron core manufactures penetration hole and receiving bore, receiving bore runs through the lower end surface of iron core, and penetration hole runs through above iron core, and receiving bore is manufactured on below penetration hole, receiving bore communicates with penetration hole and air-inlet cavity, and penetration hole communicates with extrusion chamber and receiving bore; Described penetration hole creates the top that upper part runs through the upper-end surface of iron core, lower part runs through the receiving bore of iron core lower part, the lower part of penetration hole creates vent, the upper part of penetration hole creates consent, and the intermediate portion between vent and consent creates internal taper hole; The receiving bore of depression on the manufacture of the lower end of columniform iron core is oriented, described receiving bore creates circular hole that communicate with vent, that upwards cave in, when answering the lower end in magnetic piston arrives air pump shell, receiving bore can hold restriction cap and restriction cap is not collided with answering magnetic piston; Manufacture on receiving bore and have vent, manufacturing above of vent has internal taper hole, and manufacturing above of internal taper hole has consent; Described vent creates the via hole allowing rock gas pass through, and communicates with receiving bore and consent; Described consent creates the hole of installation and fixing fixed plug, communicates with receiving bore and extrusion chamber;

Fixed plug creates the plug that there is vent centre, and described plug creates centre the cylinder of through hole or annular ring or jump ring circle, can limit to be arranged on and answer the sealing in the internal taper hole in magnetic piston to bore the distance moved up; Fixed plug creates centre when having a cylinder of through hole, and the fixing employing interference fit in consent is fixed or screw-thread fit is fixed or adopt jump ring to be stuck in the two ends of the jump-ring slot internal fixtion cylinder in consent; When fixed plug creates annular ring, the fixing employing interference fit in consent is fixed or is adopted jump ring to be stuck in the two ends of the jump-ring slot internal fixtion annular ring in consent; When fixed plug creates jump ring circle, directly jump ring is stuck in consent;

Internal taper hole creates the circular hole of tapering, and the face of circular hole creates inner conical surface; The small end of internal taper hole under, hold upper greatly, in the hollow valve body being manufactured on gas outlet valve respectively and answer in the penetration hole of magnetic piston; Can inner conical surface be sealed under the effect of the gravity of sealing cone self, inner conical surface can be opened with sealing by suction when cone has above suction and bore the passage sealed sealing; Sealing cone air pressure is above larger, and sealing cone is better with the gluing, sealing effect of inner conical surface;

Sealing cone creates cone or cone cylinder, and the annular surface of cone or cone cylinder creates the male cone (strobilus masculinus) of tapering; Gravity by self when the male cone (strobilus masculinus) of sealing cone and inner conical surface seal presses down and seals inner conical surface;

Sealing plate creates circular flat board, and below dull and stereotyped, one side creates sealing surface, and sealing surface coordinates with the closed hole in sealing neck;

Restriction cap creates calotte, and the crown part of calotte manufactures the air passing hole allowing gas pass through, and the hatband partial fixing of calotte can limit the distance of moving on sealing plate on sealing neck;

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 air pump 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 air pump 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 closed hole, the time in of not installing sealing plate in closed hole, closed hole communicates with inlet hole;

Keeping the shape of protecting crust to ensure protecting crust that electromagnetic coil can be protected not to be damaged, in the inner chamber of protecting crust, manufacturing the skeleton having support;

Rock gas in the air-inlet cavity promoting in air pump shell to enable to answer magnetic piston enters in extrusion chamber, adopts iron core spring as the power promoting to answer magnetic descent of piston;

In protecting crust, be provided with electromagnetic coil, electromagnetic coil is fixed on the upper part outside air pump shell, and protecting crust is fixed on the outside protection electromagnetic coil on the top of air pump shell; Below the outside of protecting crust, one side is fixed with foot rest, and the lower end of foot rest protects suction tude not oppressed lower than air pump 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; Be provided with in air pump shell sealing plate, restriction cap, iron core spring, answer magnetic piston, sealing cone, fixed plug, iron core spring fitting is at the upper part of the inner chamber of air pump shell, magnetic piston is answered to be arranged on the lower part of the inner chamber of air pump shell, the top, upper end of iron core spring is pressed in the upper end of the inner chamber of air pump shell, lower end is pressed in the upper end portion of answering magnetic piston, answers magnetic piston can slide up and down in the inner chamber of air pump shell; Answer in the internal taper hole below the consent in magnetic piston be provided with sealing cone, sealing cone can move up and down in internal taper hole, in consent, be provided with fixed plug limit displacement distance when sealing cone moves up in internal taper hole, the fixing employing interference fit of fixed plug in consent is fixed or screw-thread fit is fixed or adopt jump ring to be stuck in the two ends of the jump-ring slot internal fixtion fixed plug in consent; The passage entering rock gas of answering on magnetic piston can be closed when the sphere of ball sealer or the male cone (strobilus masculinus) of sealing cone coordinate with the inner conical surface of internal taper hole and seal, when the sphere of ball sealer or the male cone (strobilus masculinus) of sealing cone separate with the inner conical surface of internal taper hole, the passage entering rock gas of answering on magnetic piston can be opened; Be provided with sealing plate in closed hole in the sealing neck of the lower end in air pump 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; Sealing plate coordinates with the closed hole in sealing neck and can seal or open the passage entering rock gas entered in air pump shell; When answering magnetic piston stroking upward, the inner chamber part of answering the air pump shell of magnetic piston lower part is air-inlet cavity; When answering magnetic descent of piston, the inner chamber part of answering the air pump shell of magnetic piston upper part is extrusion chamber; Be fixed with suction tude at the air inlet position of the lower end of air pump shell, the endoporus of suction tude communicates with inlet hole; Be provided with gas outlet valve in the upper end of air pump shell, the lower part of gas outlet valve is fixed in the center hole of the overlying one end of air pump shell; The part that the upper-end surface of air pump 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.