CN105715508A

CN105715508A - Efficient natural gas extraction and compression energy-saving device

Info

Publication number: CN105715508A
Application number: CN201610082923.5A
Authority: CN
Inventors: 况松常
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-02-06
Filing date: 2016-02-06
Publication date: 2016-06-29

Abstract

The invention provides an efficient natural gas extraction and compression energy-saving device, and belongs to the technology of natural gas extraction. An electromagnetic coil of the efficient natural gas extraction and compression energy-saving device is fixedly arranged outside a gas pump case, a protecting shell is fixedly arranged on the gas pump case, and a gas inlet pipe is fixedly arranged at the lower end of the gas pump case. A gas outlet valve is fixedly arranged in a center hole of the gas pump case. An iron core spring and a magnetism-induced piston are arranged in the gas pump case, and the iron core spring presses the magnetism-induced piston. A channel, for allowing natural gas to enter, of a gas inlet cavity and a channel, for allowing natural gas to enter, of an extrusion cavity are sealed by sealing plates. A fixed plug is fixedly arranged in a piston hole of the magnetism-induced piston, a sealing ball or a sealing cone is installed in an inner cone hole, and a holding hole is formed in the lower end of the magnetism-induced piston. The efficient natural gas extraction and compression energy-saving device is compact in structure, low in vibration, high in utilization rate of electric energy, high in power, good in market prospect of industrialization and high in business value, applicable to extraction of natural gas from a natural gas well, and quite convenient to manufacture and use.

Description

Efficiently take out pressure natural-gas energy-saving equipment

Technical field

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

Background technology

The extraction of traditional natural gas is that the inflating pump compressed natural gas adopting toggle extracts, the big inefficiency of volume of the inflating pump of toggle.For this, we have devised volume is little, pumping efficiency is high natural gas extracting device.

Summary of the invention

That the present invention relates in order that provide the manufacture efficiently taking out pressure natural-gas energy-saving equipment and method thereof that a kind of utilization rate of electrical is high, efficiently take out pressure natural gas.

For achieving the above object, of the present invention efficiently take out pressure natural-gas energy-saving equipment mainly include protecting crust, solenoid, air pump shell, air inlet, sealing plate, ball sealer or seal cone, restriction cap, iron core spring, answer magnetic piston, fixing plug, internal taper hole, passage, air outlet valve, air inlet pipe, field controller, electronic remote controller；

Or, described efficiently take out pressure natural-gas energy-saving equipment mainly include protecting crust, solenoid, air pump shell, air inlet, sealing plate, ball sealer or seal cone, restriction cap, iron core spring, answer magnetic piston, fixing plug, internal taper hole, passage, air outlet valve, air inlet pipe, field controller.

Being provided with solenoid in protecting crust, solenoid is fixed on the upper part outside air pump shell, and protecting crust is fixed on the outside protection solenoid 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 air inlet pipe not oppressed lower than air pump shell lower end.

The circuit connecting solenoid 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 receptor of field controller, electronic remote controller and electronic remote controller is arranged in protecting crust；Or, the circuit connecting solenoid 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, fixing plug, iron core spring is arranged on the upper part of the inner chamber of air pump shell, magnetic piston is answered to be arranged on the lower part of inner chamber of air pump shell, the top, upper end of iron core spring is pressed in the upper end of inner chamber of air pump shell, lower end is pressed in the upper end answering magnetic piston, answers magnetic piston can slide up and down at the interior intracavity of air pump shell；In sealing hole below the consent answering in magnetic piston, sealing plate is installed, sealing plate is sealing in hole and can move up and down, being provided with to fix in consent and fill in the displacement limited when sealing plate moves up, the fixing plug fixing employing interference fit in consent is fixed or threaded engagement is fixed or adopts jump ring to be stuck in the jump-ring slot in consent fixes the two ends filled in；Sealing surface below sealing plate can close, when coordinating with the annular sealing surface sealing hole and seal, the passage entering natural gas answered on magnetic piston, and the sealing surface below sealing plate and the annular sealing surface sealing hole can open, when separating, the passage entering natural gas answered on magnetic piston；Being provided with sealing plate in the sealing hole sealed in neck of the lower end in air pump shell, restriction cap is fixed on the outside sealing neck by screw thread or jump ring, and when restriction cap is in the accommodation hole answering the lower end of magnetic piston upwards to cave in, restriction cap has gap with holding hole；The passage entering natural gas that sealing plate could seal or open, with the sealing hole cooperation sealed in neck, the inlet chamber entered in air pump shell；When answering magnetic piston stroking upward, the lumen portion answering the lower sections of air pump shell of magnetic piston is inlet chamber；When answering magnetic descent of piston, the lumen portion answering the air pump shell of magnetic piston upper part is extrusion chamber.Air inlet position in the lower end of air pump shell is fixed with air inlet pipe, and the endoporus of air inlet pipe communicates with air inlet；Being provided with air outlet valve in the upper end of air pump shell, the lower part of air outlet valve is fixed in the centre bore of the overlying one end of air pump shell；The upper end of air outlet valve is exposed the part of the upper surface of air pump shell and is connected with the pipeline of conveying natural gas by flexible pipe or hard tube.

The material of described protecting crust is the material of a kind of type in metal, plastics, nylon, fiberglass or several types；The material of the gentle pump case of hollow valve body adopts the material of a kind of type in metal, plastics, nylon and fiberglass or several types；The material of ball sealer or sealing cone adopts the material of a kind of type in metal, plastics, nylon and rubber or several types；Sealing plate material adopt the material of a kind of type in metal, plastics, nylon and fiberglass or several types；The material answering magnetic piston is able to be subject to the material of magnetic field suction；The material of fixing plug is the material of a kind of type in metal, plastics, nylon, fiberglass, rubber or several types；The material that iron core spring adopts is a kind of type in metal and rubber or two kinds of material, and when adopting elastomeric material, iron core spring is the spring of hollow pipe-type, utilizes the elasticity of rubber and contractility to realize the function of spring.

Described protecting crust is the hollow cavity of annular, hollow cavity has string holes, the parts installed are installed in hollow cavity in field controller, the gentle pump case of solenoid and air pump shell, or, the parts installed are installed in hollow cavity in electronic remote controller, field controller, the gentle pump case of solenoid and air pump shell；String holes is to allow the hole of insulated electric conductor traverse；The inner of the annular housing of hollow cavity is fixed on air pump shell.

For the ease of the processing of protecting crust be easy to accessory to load in protecting crust, described protecting crust is the assembly 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 face of cylinder of cylindrical cavity is smooth curved surface；Upper end on the centrage of inner chamber has centre bore to have air inlet traverse air pump shell through air pump shell, lower end；There is sealing neck protruding upward at the middle part of the lower end in air pump shell, seal the upper part of inside of neck be seal hole, lower part is air inlet, in time sealing in hole and be fitted without sealing plate, seal hole communicate with air inlet, sealing hole and sealing plate following one side coordinate.

Described air outlet valve includes hollow valve body and ball sealer or seals cone, and hollow valve body is hollow pipe, and internal taper hole is in the middle part of the inner chamber of hollow pipe or middle and lower part, and the internal diameter of the upper part of the internal taper hole in hollow pipe internal diameter big, lower sections of is little；There is return-air sealed end the lower end of hollow valve body, the lower surface of return-air sealed end in the lower end of hollow valve body, upper surface be internal taper hole, the big end of internal taper hole communicates with the upper end of air outlet valve, small end communicates with the lower end of air outlet valve, is provided with ball sealer or seals cone on the inner conical surface of internal taper hole.Described internal taper hole is tapered circular hole, and the face of circular hole is inner conical surface；The small end of internal taper hole under, hold upper greatly, inner conical surface coordinates with the sphere of ball sealer or the male cone (strobilus masculinus) of sealing cone, inner conical surface can be sealed under the effect of ball sealer or the gravity sealing cone self, inner conical surface and ball sealer can be opened by suction at ball sealer or when sealing and have suction above cone or seal the passage that cone seals；Ball sealer or sealing cone air pressure above are more big, and ball sealer or sealing cone are more good with the gluing, sealing effect of inner conical surface；The sealing of inner conical surface and ball sealer or sealing cone can be opened when entering, from the endoporus of hollow valve body lower end, the natural gas having pressure and form passage.

For the ease of the processing of air pump shell be easy to accessory to load in air pump shell, described air pump shell is the assembly after segmentation；The upper end of the cylindrical cavity body portion in air pump shell is divided into two-stage nitration, the upper part of segmentation place is pump cover, lower part is the main body of air pump shell, centre bore is on pump cover, and air inlet 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 cylindrical cavity body portion in air pump shell is divided into two-stage nitration, the lower part of segmentation place is pump cover, upper part is the main body of air pump shell, air inlet is at the middle part of pump cover, centre bore 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 to answer magnetic piston be cylindrical iron core, and the periphery of cylindrical iron core is smooth periphery, has the annular groove of depression on smooth periphery, and annular groove is embedded with sealing ring；Described periphery coordinate with the inner chamber of air pump shell can the inner chamber of blanket gas pump case, and can slide at the interior intracavity of air pump shell.There is through hole the cylindrical central portion position of described cylindrical iron core and holds hole, holding hole and run through the lower surface of iron core, through hole runs through above iron core, holds hole below through hole, holding hole to communicate with through hole and inlet chamber, through hole communicates with extrusion chamber and accommodation hole.The upper part of described through hole runs through the upper surface of iron core, lower part runs through the top in the lower sections of accommodation hole of iron core, the lower part of through hole is passage, the upper part of through hole is consent, and the mid portion between passage and consent is to seal hole.Concave up sunken accommodation hole is had in the lower end of cylindrical iron core, the circular hole that described accommodation hole communicates with passage, upwards caves in, when answering magnetic piston to arrive the lower end in air pump shell, hold hole and be used for holding restriction cap and making restriction cap not collide with answering magnetic piston；Being passage holding above hole, the above of passage is to seal hole, and sealing the above of hole is consent.Described passage is the via allowing natural gas pass through, and communicates with accommodation hole and consent；Described consent is to install and the fixing hole filled in, and communicates with accommodation hole and extrusion chamber.

Described fixing plug be restriction be arranged on the distance of answering the sealing plate sealed in hole in magnetic piston to move up, centre have the plug of passage, described plug to be that centre has the cylinder of through hole or annular ring or card spring coil；When fixing plug is the cylinder that there is through hole centre, the fixing employing interference fit in consent is fixed or threaded engagement is fixed or adopts jump ring to be stuck in the jump-ring slot in consent the two ends of fixed cylinder；When fixing plug is annular ring, the fixing employing interference fit in consent is fixed or adopts jump ring to be stuck in the jump-ring slot in consent the two ends of stationary annular circle；When fixing plug is card spring coil, directly jump ring is stuck in consent.

Described sealing hole is shallow cylinder or the hole of shallow cone cylindricality, above the air inlet sealed in neck of the lower end in air pump shell and the upper surface of sealing neck forms one-level rank and forms the rank of one-level annular with consent between the passage answered in magnetic piston and consent respectively, the face, hole in the hole of shallow cylinder or the hole of shallow cone cylindricality be hold sealing plate inner headed face or internal conical surface, seal hole bottom surface be following porose annular sealing surface.

Described sealing cone is cone or cone cylinder, and the annular surface of cone or cone cylinder is tapered male cone (strobilus masculinus)；Seal and seal inner conical surface by pressing under the gravity of sealing cone self when the male cone (strobilus masculinus) bored seals with inner conical surface.

Described ball sealer is the surface of spherosome or oval ball, spherosome or oval ball is sealing surface, and sealing surface is smooth sphere；Inner conical surface is sealed by pressing under the gravity of ball sealer when the sphere of ball sealer seals with inner conical surface.

Described sealing plate is circular flat board, and below flat board, one side is sealing surface, and sealing surface coordinates with the hole that seals sealed in neck and coordinates with answering the sealing hole on magnetic piston respectively.

Described restriction cap is calotte, and the crown part of calotte has the air passing hole allowing gas pass through, and the hatband part of calotte is fixed on to seal can limit on neck and seals the distance moved on the sealing plate installed in neck.

Described field controller is to control solenoid to produce the controller of electromagnetic field, to the interval time producing electromagnetic field for the second time more every time after controlling the time of electromagnetic field generation and the time length of generation electromagnetic field and producing electromagnetic field.

Described electronic remote controller is to turn on and cuts off the contactor of field controller, and including the switch sections and the electronic telecontrol part that switch on or off circuit, electronic telecontrol part includes remote controller switch and electronic signal receptor；Remote controller switch is carried with for staff, it is simple to staff handles the normal operation efficiently taking out pressure natural-gas energy-saving equipment and cuts off the control circuit efficiently taking out pressure natural-gas energy-saving equipment；Described electronic remote controller can have in the present invention, it is also possible to does not have.

Described air inlet pipe is to connect the air inlet of air pump shell and connect the hollow pipe of the pipeline of output natural gas in the natural gas well.

Described air inlet be natural gas enter the inner chamber of air pump shell through air passing hole, at the lower part in the centre sealing neck；The time in of being fitted without sealing plate in sealing hole, the sealing hole sealed on neck of protecting crust lower end communicates with air inlet.

In inlet chamber, lay in natural gas, in extrusion chamber, extrude natural gas and produce air pressure；When entering natural gas in extrusion chamber, inlet chamber communicates with extrusion chamber；In extrusion chamber during extrusion natural gas, inlet chamber is by ball sealer or seals cone and answers the internal taper hole sealing in magnetic piston and disconnect the passage entering natural gas of entrance extrusion chamber.

Described efficiently take out in the process that pressure natural-gas energy-saving equipment extracts natural gas in the natural gas well, control there is no return spring into natural gas passage with in going out the one-way check valve of natural gas passage；When inlet chamber enters natural gas, answer the suction that magnetic piston stroking upward produces to open sealing plate and open the passage into natural gas with the sealing sealing hole sealing in neck of the lower end in air pump shell, be arranged on answer the sealing plate sealed on hole in magnetic piston under the effect of self gravitation automatic decline return and the passage entering natural gas closed in entrance extrusion chamber seals；When extrusion chamber enters natural gas, it is arranged on the ball sealer on the internal taper hole of air outlet valve or seals cone and utilize the gravity of self make ball sealer or seal and bore automatic decline return and close the passage of the discharge on air outlet valve and seal, answering magnetic descent of piston and making inlet chamber in, to produce pressure and promote to be arranged on and answer the up passage entering natural gas then opened in entrance extrusion chamber of the sealing plate sealed on hole in magnetic piston；When extrusion chamber discharges natural gas, under the effect of outlet pressure, promote the ball sealer on the internal taper hole of air outlet valve or to seal cone up and open the passage given vent to anger of air outlet valve, be arranged on and answer the sealing plate sealed on hole in magnetic piston to utilize the gravity of self to make sealing plate decline return automatically close and answer the passage entering natural gas on magnetic piston to seal.

In order to ensure efficiently to take out pressure natural-gas energy-saving equipment can normal operation, control circuit has electronic remote controller, adopts what electronic remote controller controlled field controller to connect being switched on and off of circuit；Control circuit does not have electronic remote controller, adopts the contactor being connected with insulated electric conductor to control being switched on and off of the connection circuit of field controller.

Keep the shape of protecting crust to ensure protecting crust that solenoid can be protected without damage, the interior intracavity manufacture at protecting crust has the skeleton of support.

In order to enable to answer magnetic piston to promote the natural gas in the inlet chamber in air pump shell to enter in extrusion chamber, adopt iron core spring as promoting the power answering magnetic descent of piston.

During use, the foot rest efficiently taking out pressure natural-gas energy-saving equipment being supported and fixed on the ground, air inlet pipe is connected with the escape pipe in the natural gas well.Not having remote control unit, directly connect the circuit that the contactor being connected with insulated electric conductor is connected with field controller, field controller is connected the power-on circuit of solenoid and is produced electromagnetic field；Having remote control unit, press the starting button of remote controller switch, electronic signal receptor receives and starts the circuit that signal is followed by leading to electronic remote controller with field controller, and field controller is connected the power-on circuit of solenoid and produced electromagnetic field；The captivation that electromagnetic field produces pulls the pressure answering magnetic piston overpowers iron core spring to move up, when answering magnetic piston to start up, it is arranged on and answers the sealing plate sealed on hole in magnetic piston descending and close natural gas and enter the passage entering natural gas of extrusion chamber under the effect of the gravity of self；When answering magnetic piston stroking upward, the up of magnetic piston is answered to make the natural gas in extrusion chamber create pressure, there is the natural gas of pressure to promote ball sealer from the internal taper hole that the endoporus of the sealed end of air outlet valve lower end enters in air outlet valve or to seal cone up and open the sealing passage of air outlet valve, make the natural gas in extrusion chamber enter into after air outlet valve in the pipeline of conveying natural gas；Answer magnetic piston when up, magnetic piston is answered also to make to create in inlet chamber pull of vacuum, pull of vacuum is inhaled movable sealing plate and is made sealing plate with the sealing surface sealing hole separately, natural gas enters into sealing hole from air inlet pipe through air inlet, enters answering in the inlet chamber below magnetic piston in air pump shell then through the air passing hole on restriction cap.

Answer magnetic piston stroking upward move to compression iron core spring compression stage spacing time, the power-on circuit of field controller cutoff solenoid, electromagnetic field disappear, answer magnetic piston descending under the promotion of iron core spring；When answering magnetic piston to start descending, the sealing plate of the air pump shell lower end sealed in neck being arranged in air pump shell lower end cuts out the passage entering natural gas of entrance inlet chamber under the effect of self gravitation, ball sealer in air outlet valve or seal cone under the effect of the gravity of self descending return and seal the inner conical surface of air outlet valve, cut off the outlet passageway of extrusion chamber；Answer magnetic piston when descending, natural gas that magnetic piston is forced in inlet chamber is answered to make natural gas produce internal pressure, the natural gas having pressure enters into from the passage answered in magnetic piston that to answer sealing in magnetic piston to continue after hole is upwards washed sealing plate open and made sealing plate displacement with the sealing sealing hole up, enters in extrusion chamber after the passage in fixing plug.

Answer magnetic piston descending when putting in place under the promotion of iron core spring, it is arranged on and answers descending the sealing hole under the effect of the gravity of self of the sealing plate sealed on hole in magnetic piston to shut and make natural gas not return inlet chamber, now, field controller is connected again the power-on circuit of solenoid and is again produced electromagnetic field and make to answer magnetic piston stroking upward；What so circulate is switched on and off circuit, makes solenoid generation electromagnetic field pull and answers magnetic piston stroking upward and allow the promotion of iron core spring answer magnetic descent of piston, constantly the natural gas in the natural gas well is extracted out and be transported in the pipeline of conveying shale gas.

A kind of manufacture method efficiently taking out pressure natural-gas energy-saving equipment, it is characterised in that:

During fabrication, protecting crust adopts the material manufacture of a kind of type in metal, plastics, nylon, fiberglass or several types；The gentle pump case of hollow valve body adopts the material manufacture of a kind of type in metal, plastics, nylon and fiberglass or several types；Ball sealer or sealing cone adopt the material manufacture of a kind of type in metal, plastics, nylon and rubber or several types；Sealing plate adopts the material manufacture of a kind of type in metal, plastics, nylon and fiberglass or several types；Magnetic piston is answered to adopt the material manufacture of the hard to bear magnetic field suction of energy；Fixing plug adopts the material manufacture of a kind of type in metal, plastics, nylon, fiberglass, rubber or several types；Iron core spring adopts a kind of type in metal and rubber or two kinds of material manufacture, and when adopting elastomeric material to manufacture, iron core spring creates hollow tubular type spring, utilizes the elasticity of rubber and contractility to realize the function of spring.

Protecting crust creates the hollow cavity of annular, and hollow cavity manufactures to be had string holes, string holes to create to allow the hole of insulated electric conductor traverse；The parts installed are installed in hollow cavity in field controller, the gentle pump case of solenoid and air pump shell, or, the parts installed are installed in hollow cavity in electronic remote controller, field controller, the gentle pump case of solenoid and air pump shell；The inner of the annular housing of hollow cavity is fixed on air pump shell.

In order to convenient for assembly, during fabrication, after protecting crust is divided into two parts manufacture from annular position, recombinant is together for protecting crust.

The inner chamber of air pump shell creates the cavity of cylinder, and the periphery of cylindrical cavity creates smooth curved surface；Upper end on the centrage of inner chamber manufactures to have has air inlet traverse air pump shell through the centre bore of air pump shell, lower end manufacture；The middle part of the lower end in air pump shell manufactures sealing neck protruding upward, and the upper part sealing the inside of neck creates sealing hole, lower part creates air inlet, seals hole and communicates with air inlet, sealing hole and sealing plate following one side coordinate.

Air outlet valve creates hollow valve body and ball sealer or seals cone two parts, hollow valve body creates hollow pipe, internal taper hole manufacture is in the middle part of the inner chamber of hollow pipe or middle and lower part, and the internal diameter that the internal diameter that the upper part of the internal taper hole in hollow pipe manufactures is big, lower part manufactures is little；The lower end of hollow valve body manufactures return-air sealed end, the lower surface of return-air sealed end manufactures and creates internal taper hole in the lower end of hollow valve body, upper surface, the big end of internal taper hole communicates with the upper end of air outlet valve, small end communicates with the lower end of air outlet valve, is provided with ball sealer or seals cone on the inner conical surface of internal taper hole.Described internal taper hole creates tapered circular hole, and the face of circular hole creates inner conical surface；The small end of internal taper hole under, hold upper greatly, inner conical surface can be sealed under the effect of ball sealer or the gravity sealing cone self, inner conical surface and ball sealer can be opened by suction at ball sealer or when sealing and have suction above cone or seal the passage that cone seals；Ball sealer or sealing cone air pressure above are more big, and ball sealer or sealing cone are more good with the gluing, sealing effect of inner conical surface；The sealing of inner conical surface and ball sealer or sealing cone can be opened when entering, from the endoporus of hollow valve body lower end, the natural gas having pressure and form passage.

For the ease of the processing of air pump shell be easy to accessory to load in air pump shell, described air pump shell creates the assembly after segmental machining manufactures；The upper end of the cylindrical cavity body portion in air pump shell is divided into two-stage nitration manufacture, the upper part of segmentation place creates pump cover, lower part creates the main body of air pump shell, centre bore manufactures on pump cover, air inlet manufactures at the middle part of the main body lower end of air pump shell, and it is a composite entity that the main body after the gentle pump case of pump cover is combined into after manufacturing；Or, the lower end of the cylindrical cavity body portion in air pump shell is divided into two-stage nitration manufacture, the lower part of segmentation place creates pump cover, upper part creates the main body of air pump shell, air inlet manufactures at the middle part of pump cover, it is a composite entity that centre bore manufacture is combined into after the main body of the middle part of the upper end of the main body of air pump shell, pump cover and air pump shell manufactures.

Answering magnetic piston to create the iron core of cylinder, the periphery of cylindrical iron core creates smooth periphery, manufactures the annular groove having depression on smooth periphery, and annular groove is embedded with sealing ring；Described periphery coordinate with the inner chamber of air pump shell can the inner chamber of blanket gas pump case, and can slide at the interior intracavity of air pump shell.The cylindrical central portion position of described cylindrical iron core manufactures to be had through hole and holds hole, holding hole and run through the lower surface of iron core, through hole runs through above iron core, holds hole and manufactures below through hole, holding hole to communicate with through hole and inlet chamber, through hole communicates with extrusion chamber and accommodation hole.Described through hole creates that upper part runs through the upper surface of iron core, lower part runs through the top in the lower sections of accommodation hole of iron core, the lower part of through hole creates passage, the upper part of through hole creates consent, and the mid portion between passage and consent creates sealing hole.Manufacture in the lower end of cylindrical iron core and have concave up sunken accommodation hole, the described hole that holds creates circular hole that communicate, that upwards cave in passage, when answering magnetic piston to arrive the lower end in air pump shell, hold hole and can hold restriction cap and make restriction cap not collide with answering magnetic piston.Having passage holding the manufactured above of hole, the manufactured above of passage has sealing hole, and sealing the manufactured above of hole has consent；Described passage creates the via allowing natural gas pass through, and communicates with accommodation hole and consent；Described consent creates to be installed and the fixing hole filled in, and communicates with accommodation hole and extrusion chamber.

Fixing plug creates centre to be had the plug of passage, described plug to create centre to have the cylinder of through hole or annular ring or card spring coil, it is possible to restriction is arranged on the distance answering the sealing plate sealed in hole in magnetic piston to move up；When fixing plug creates the cylinder that there is through hole centre, the fixing employing interference fit in consent is fixed or threaded engagement is fixed or adopts jump ring to be stuck in the jump-ring slot in consent the two ends of fixed cylinder；When fixing plug creates annular ring, the fixing employing interference fit in consent is fixed or adopts jump ring to be stuck in the jump-ring slot in consent the two ends of stationary annular circle；When fixing plug creates card spring coil, directly jump ring is stuck in consent.

The described hole that seals creates shallow cylinder or the hole of shallow cone cylindricality, manufacture above the air inlet sealed in neck of the lower end in air pump shell respectively and formation one-level rank, upper surface and the manufacture of sealing neck form the rank of one-level annular with consent between the passage answered in magnetic piston and consent, the face, hole in the hole of shallow cylinder or the hole of shallow cone cylindricality create accommodation sealing plate inner headed face or internal conical surface, seal hole bottom surface create following porose annular sealing surface.

Sealing cone and create cone or cone cylinder, the annular surface of cone or cone cylinder creates tapered male cone (strobilus masculinus)；Seal and seal inner conical surface by pressing under the gravity of sealing cone self when the male cone (strobilus masculinus) bored seals with inner conical surface.

Ball sealer creates the surface of spherosome or oval ball, spherosome or oval ball and creates sealing surface, and sealing surface creates smooth sphere；Inner conical surface is sealed by pressing under the self gravitation of ball sealer when the sphere of ball sealer seals with inner conical surface.

Sealing plate creates the flat board of circle, and below flat board, one side creates sealing surface, and sealing surface coordinates with the hole that seals sealed in neck and coordinates with answering the sealing hole on magnetic piston respectively.

Restriction cap creates calotte, and the crown part of calotte manufactures the air passing hole allowing gas pass through, and the hatband part of calotte is fixed on to seal can limit on neck and seals the distance moved on the sealing plate installed in neck.

Field controller creates and controls solenoid and produce the controller of electromagnetic field, to the interval time producing electromagnetic field for the second time again after controlling time and the length producing the electromagnetic field time that electromagnetic field produces and every time producing electromagnetic field.

Electronic remote controller creates the contactor being switched on and off field controller, and including the switch sections and the electronic telecontrol part that switch on or off circuit, electronic telecontrol part includes remote controller switch and electronic signal receptor；Described electronic remote controller can have in the present invention, it is also possible to does not have.

Air inlet pipe creates the air inlet connecting air pump shell and connects the hollow pipe of the pipeline of output natural gas in the natural gas well.

Air inlet create natural gas enter air pump shell inner chamber through via, manufacture the lower part in the centre sealing neck；The time in of being fitted without sealing plate in sealing hole, the sealing hole sealed on neck of protecting crust lower end communicates with air inlet.

Being provided with solenoid in protecting crust, solenoid is fixed on the upper part outside air pump shell, and protecting crust is fixed on the outside protection solenoid 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 air inlet pipe not oppressed lower than air pump shell lower end.The circuit connecting solenoid 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 receptor of field controller, electronic remote controller and electronic remote controller is arranged in protecting crust；Or, the circuit connecting solenoid 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, fixing plug, iron core spring is arranged on the upper part of the inner chamber of air pump shell, magnetic piston is answered to be arranged on the lower part of inner chamber of air pump shell, the top, upper end of iron core spring is pressed in the upper end of inner chamber of air pump shell, lower end is pressed in the upper end answering magnetic piston, answers magnetic piston can slide up and down at the interior intracavity of air pump shell；In sealing hole below the consent answering in magnetic piston, sealing plate is installed, sealing plate is sealing in hole and can move up and down, being provided with to fix in consent and fill in the displacement limited when sealing plate moves up, the fixing plug fixing employing interference fit in consent is fixed or threaded engagement is fixed or adopts jump ring to be stuck in the jump-ring slot in consent fixes the two ends filled in；Sealing surface below sealing plate can close, when coordinating with the annular sealing surface sealing hole and seal, the passage entering natural gas answered on magnetic piston, and the sealing surface below sealing plate and the annular sealing surface sealing hole can open, when separating, the passage entering natural gas answered on magnetic piston；Being provided with sealing plate in the sealing hole sealed in neck of the lower end in air pump shell, restriction cap is fixed on the outside sealing neck by screw thread or jump ring, and when restriction cap is in the accommodation hole answering the lower end of magnetic piston upwards to cave in, restriction cap has gap with holding hole；The passage entering natural gas that sealing plate could seal or open, with the sealing hole cooperation sealed in neck, the inlet chamber entered in air pump shell；When answering magnetic piston stroking upward, the lumen portion answering the lower sections of air pump shell of magnetic piston is inlet chamber；When answering magnetic descent of piston, the lumen portion answering the air pump shell of magnetic piston upper part is extrusion chamber.Air inlet position in the lower end of air pump shell is fixed with air inlet pipe, and the endoporus of air inlet pipe communicates with air inlet；Being provided with air outlet valve in the upper end of air pump shell, the lower part of air outlet valve is fixed in the centre bore of the overlying one end of air pump shell；The upper end of air outlet valve is exposed the part of the upper surface of air pump shell and is connected with the pipeline of conveying natural gas by flexible pipe or hard tube.

The present invention efficiently take out pressure natural-gas energy-saving equipment compact conformation, vibrate little, utilization rate of electrical is high, powerful, be suitable for from the natural gas well extraction natural gas；The market prospect of industrialization is good, commercial value is high, manufactures and uses all very convenient.

Accompanying drawing explanation

Fig. 1 and Fig. 2 is the structural representation efficiently taking out pressure natural-gas energy-saving equipment.

Fig. 3 is the structural representation answering magnetic piston.

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

Shown in figure: protecting crust 1, foot rest 2, air inlet pipe 3, air pump shell 4, hollow valve body 5, iron core spring 6, answer magnetic piston 7, ball sealer 8 or seal cone 8, fixing plug 10, restriction cap 11, air passing hole 12, solenoid 13, sealing plate 14, hold hole 15, passage 16, seal hole 17, consent 18, annular sealing surface 19.

Detailed description of the invention

The present invention efficiently takes out pressure natural-gas energy-saving equipment and mainly includes protecting crust 1, solenoid 13, air pump shell 4, air inlet, sealing plate 14, ball sealer 8 or seal cone 8, restriction cap 11, iron core spring 6, answer magnetic piston 7, fixing plug 10, internal taper hole, passage 16, air outlet valve, air inlet pipe 3, field controller, electronic remote controller；Or including protecting crust 1, solenoid 13, air pump shell 4, air inlet, sealing plate 14, ball sealer 8 or sealing cone 8, restriction cap 11, iron core spring 6, answer magnetic piston 7, fixing plug 10, internal taper hole, passage 16, air outlet valve, air inlet pipe 3, field controller.

Being provided with solenoid 13 in protecting crust 1, solenoid 13 is fixed on the upper part outside air pump shell 4, and protecting crust 1 is fixed on the outside protection solenoid 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 air inlet pipe 3 not oppressed lower than air pump shell 4 lower end.

The circuit connecting solenoid 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 receptor of field controller, electronic remote controller and electronic remote controller is arranged in protecting crust 1；Or, the circuit connecting solenoid 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, fixing 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 inner chamber of air pump shell 4, the top, upper end of iron core spring 6 is pressed in the upper end of inner chamber of air pump shell 4, lower end is pressed in the upper end answering magnetic piston 7, answers magnetic piston 7 can slide up and down at the interior intracavity of air pump shell 4；In sealing hole 17 below the consent 18 answered in magnetic piston 7, sealing plate 14 is installed, sealing plate 14 can move up and down in sealing hole 17, being provided with to fix in consent 18 and fill in 10 to limit displacement when sealing plate 14 moves up, the fixing plug 10 fixing employing interference fit in consent 18 are fixed or threaded engagement is fixed or adopt jump ring to be stuck in the jump-ring slot in consent 18 fixes the two ends filling in 10；Sealing plate 14 sealing surface below can close the passage entering natural gas answered on magnetic piston 7 when coordinating with the annular sealing surface 19 sealing hole 17 and seal, sealing plate 14 sealing surface below can open, when separating with the annular sealing surface 19 sealing hole 17, the passage entering natural gas answered on magnetic piston 7；In the sealing hole 17 sealed in neck of the lower end in air pump shell 4, sealing plate 14 is installed, restriction cap 11 is fixed on the outside sealing neck by screw thread or jump ring, when restriction cap 11 is in the accommodation hole 15 answering the lower end of magnetic piston 7 upwards to cave in, restriction cap 11 has gap with holding hole 15；Sealing plate 14 coordinates and the passage entering natural gas that can seal or open the inlet chamber entered in air pump shell 4 with the hole 17 that seals sealed in neck；When answering magnetic piston 7 up, the lumen portion answering the lower sections of air pump shell 4 of magnetic piston 7 is inlet chamber；When answering magnetic piston 7 descending, the lumen portion answering the air pump shell 4 of magnetic piston 7 upper part is extrusion chamber.Air inlet position in the lower end of air pump shell 4 is fixed with air inlet pipe 3, and the endoporus of air inlet pipe 3 communicates with air inlet；Being provided with air outlet valve in the upper end of air pump shell 4, the lower part of air outlet valve is fixed in the centre bore of the overlying one end of air pump shell 4；The upper end of air outlet valve is exposed the part of the upper surface of air pump shell 4 and is connected with the pipeline of conveying natural gas by flexible pipe or hard tube.

During fabrication, protecting crust 1 adopts the material manufacture of a kind of type in metal, plastics, nylon, fiberglass, rubber or several types, when protecting crust 1 when adopting elastomeric material to manufacture or after manufacture shaping is soft-shell, it is made to float on gas face first in use the inner chamber inflation of protecting crust 1；The gentle pump case of hollow valve body 54 adopts the material manufacture of a kind of type in metal, plastics, nylon and fiberglass or several types；Ball sealer 8 or sealing cone 8 adopt the material manufacture of a kind of type in metals, plastics, nylon and rubber or several types；Sealing plate 14 adopts the material manufacture of a kind of type in metal, plastics, nylon and fiberglass or several types；Magnetic piston 7 is answered to adopt the material manufacture of the hard to bear magnetic field suction of energy；Fixing plug 10 adopts the material manufacture of a kind of type in metal, plastics, nylon, fiberglass, rubber or several types；Iron core spring 6 adopts a kind of type in metal and rubber or two kinds of material manufacture, and when adopting elastomeric material to manufacture, iron core spring 6 creates hollow tubular type spring, utilizes the elasticity of rubber and contractility to realize the function of spring.

Protecting crust 1 creates the hollow cavity of annular, and hollow cavity manufactures to be had string holes, string holes to create to allow the hole of insulated electric conductor traverse；The parts installed are installed in hollow cavity in field controller, the gentle pump case 4 of solenoid 13 and air pump shell 4, or, the parts installed are installed in hollow cavity in electronic remote controller, field controller, the gentle pump case 4 of solenoid 13 and air pump shell 4；The inner of the annular housing of hollow cavity is fixed on air pump shell 4.

In order to convenient for assembly, during fabrication, after protecting crust 1 is divided into two parts manufacture from annular position, recombinant is together for protecting crust 1.

The inner chamber of air pump shell 4 creates the cavity of cylinder, and the periphery of cylindrical cavity creates smooth curved surface；Upper end on the centrage of inner chamber manufactures to have has air inlet traverse air pump shell 4 through the centre bore of air pump shell 4, lower end manufacture；The middle part of the lower end in air pump shell 4 manufactures sealing neck protruding upward, the upper part sealing the inside of neck creates sealing hole 17, lower part creates air inlet, seal hole 17 to communicate with air inlet, seal hole 17 and coordinate with one side below sealing plate 14.

Air outlet valve creates hollow valve body 5 and ball sealer 8 or seals cone 8 two parts, hollow valve body 5 creates hollow pipe, internal taper hole manufacture is in the middle part of the inner chamber of hollow pipe or middle and lower part, and the internal diameter that the internal diameter that the upper part of the internal taper hole in hollow pipe manufactures is big, lower part manufactures is little；The lower end of hollow valve body 5 manufactures return-air sealed end, the lower surface of return-air sealed end manufactures and creates internal taper hole in the lower end of hollow valve body 5, upper surface, the big end of internal taper hole communicates with the upper end of air outlet valve, small end communicates with the lower end of air outlet valve, is provided with ball sealer 8 or seals cone 8 on the inner conical surface of internal taper hole.Described internal taper hole creates tapered circular hole, and the face of circular hole creates inner conical surface；The small end of internal taper hole under, hold upper greatly, inner conical surface can be sealed under the effect of ball sealer 8 or the gravity sealing cone 8 self, inner conical surface and ball sealer 8 or the passages sealing cone 8 sealing can be opened at ball sealer 8 or when sealing and have suction above cone 8 by suction；Ball sealer 8 or sealing cone 8 air pressure above are more big, and the gluing, sealing effect of ball sealer 8 or sealing cone 8 and inner conical surface is more good；The sealing of inner conical surface and ball sealer 8 or sealing cone 8 can be opened when entering, from the endoporus of hollow valve body 5 lower end, the natural gas having pressure and form passage.

For the ease of the processing of air pump shell 4 be easy to accessory to load in air pump shell 4, described air pump shell 4 creates the assembly after segmental machining manufactures；The upper end of the cylindrical cavity body portion in air pump shell 4 is divided into two-stage nitration manufacture, the upper part of segmentation place creates pump cover, lower part creates the main body of air pump shell 4, centre bore manufactures on pump cover, air inlet manufactures at the middle part of the main body lower end of air pump shell 4, and it is a composite entity that the main body after the gentle pump case 4 of pump cover is combined into after manufacturing；Or, the lower end of the cylindrical cavity body portion in air pump shell 4 is divided into two-stage nitration manufacture, the lower part of segmentation place creates pump cover, upper part creates the main body of air pump shell 4, air inlet manufactures at the middle part of pump cover, it is a composite entity that centre bore manufacture is combined into after the main body of the middle part of the upper end of the main body of air pump shell 4, pump cover and air pump shell 4 manufactures.

Answering magnetic piston 7 to create the iron core of cylinder, the periphery of cylindrical iron core creates smooth periphery, manufactures the annular groove having depression on smooth periphery, and annular groove is embedded with sealing ring；Described periphery coordinate with the inner chamber of air pump shell 4 can the inner chamber of blanket gas pump case 4, and can slide at the interior intracavity of air pump shell 4.The cylindrical central portion position of described cylindrical iron core manufactures to be had through hole and holds hole 15, hold hole 15 and run through the lower surface of iron core, through hole runs through above iron core, hold hole 15 and manufacture below through hole, holding hole 15 to communicate with through hole and inlet chamber, through hole communicates with extrusion chamber and accommodation hole 15.Described through hole creates that upper part runs through the upper surface of iron core, lower part runs through the top in the lower sections of accommodation hole 15 of iron core, the lower part of through hole creates passage 16, the upper part of through hole creates consent 18, and the mid portion between passage 16 and consent 18 creates sealing hole 17.Manufacture in the lower end of cylindrical iron core and have concave up sunken accommodation hole 15, the described hole 15 that holds creates circular hole that communicate, that upwards cave in passage 16, when answering magnetic piston 7 to arrive the lower end in air pump shell 4, hold hole 15 and can hold restriction cap 11 and make restriction cap 11 not collide with answering magnetic piston 7.Having passage 16 holding the manufactured above of hole 15, the manufactured above of passage 16 has sealing hole 17, and sealing the manufactured above of hole 17 has consent 18；Described passage 16 creates the via allowing natural gas pass through, and communicates with accommodation hole 15 and consent 18；Described consent 18 creates the hole installed and fix plug 10, communicates with accommodation hole 15 and extrusion chamber.

Fixing plug 10 creates centre to be had the plug of passage 16, described plug to create centre to have the cylinder of through hole or annular ring or card spring coil, it is possible to restriction is arranged on the distance answering the sealing plate 14 sealed in hole 17 in magnetic piston 7 to move up；When fixing plug 10 creates the cylinder that there is through hole centre, the fixing employing interference fit in consent 18 is fixed or threaded engagement is fixed or adopts jump ring to be stuck in the jump-ring slot in consent 18 two ends of fixed cylinder；When fixing plug 10 creates annular ring, the two ends that the fixing employing interference fit in consent 18 is fixed or adopted jump ring to be stuck in the jump-ring slot in consent 18 stationary annular circle；When fixing plug 10 creates card spring coil, directly jump ring is stuck in consent 18.

The described hole 17 that seals creates shallow cylinder or the hole of shallow cone cylindricality, manufacture above the air inlet sealed in neck of the lower end in air pump shell 4 respectively and seal the formation one-level rank, upper surface of neck and manufacture the rank forming one-level annular between the passage 16 answered in magnetic piston 7 and consent 18 with consent 18, the face, hole in the hole of shallow cylinder or the hole of shallow cone cylindricality creates the inner headed face or internal conical surface that hold sealing plate 14, and the bottom surface sealing hole 17 creates following porose annular sealing surface 19.

Sealing cone 8 and create cone or cone cylinder, the annular surface of cone or cone cylinder creates tapered male cone (strobilus masculinus)；Seal and seal inner conical surface by pressing under the gravity of sealing cone 8 self when the male cone (strobilus masculinus) boring 8 seals with inner conical surface.

Ball sealer 8 creates the surface of spherosome or oval ball, spherosome or oval ball and creates sealing surface, and sealing surface creates smooth sphere；Inner conical surface is sealed by pressing under the self gravitation of ball sealer 8 when the sphere of ball sealer 8 seals with inner conical surface.

Sealing plate 14 creates the flat board of circle, and below flat board, one side creates sealing surface, and sealing surface coordinates with the hole 17 that seals sealed in neck and coordinates with answering the sealing hole 17 on magnetic piston 7 respectively.

Restriction cap 11 creates calotte, and the crown part of calotte manufactures the air passing hole 12 allowing gas pass through, and the hatband part of calotte is fixed on to seal can limit on neck and seals the distance moved on the sealing plate 14 installed in neck.

Field controller creates and controls solenoid 13 and produce the controller of electromagnetic field, to the interval time producing electromagnetic field for the second time more every time after controlling time and the length producing the electromagnetic field time that electromagnetic field produces and producing electromagnetic field.

Air inlet pipe 3 creates the air inlet connecting air pump shell 4 and connects the hollow pipe of the pipeline of output natural gas in the natural gas well.

Air inlet create natural gas enter air pump shell 4 inner chamber through via, manufacture the lower part in the centre sealing neck；When being fitted without sealing plate 14 in sealing hole 17, the sealing hole 17 sealed on neck of protecting crust 1 lower end communicates with air inlet.

Keep the shape of protecting crust 1 to ensure protecting crust 1 that solenoid 13 can be protected without damage, the interior intracavity manufacture at protecting crust 1 has the skeleton of support.

In order to make to answer magnetic piston 7 that the natural gas in the inlet chamber in air pump shell 4 can be promoted to enter in extrusion chamber, adopt iron core spring 6 as promoting the power answering magnetic piston 7 descending.

In inlet chamber, lay in natural gas, in extrusion chamber, extrude natural gas and produce air pressure；When entering natural gas in extrusion chamber, inlet chamber communicates with extrusion chamber；When extruding natural gas in extrusion chamber, inlet chamber is by ball sealer 8 or seals cone 8 and seals with the internal taper hole answered in magnetic piston 7 and the passage entering natural gas that disconnects entrance extrusion chamber.

Described efficiently take out in the process that pressure natural-gas energy-saving equipment extracts natural gas in the natural gas well, control there is no return spring into natural gas passage with in going out the one-way check valve of natural gas passage；When inlet chamber enters natural gas, the suction answering the up generation of magnetic piston 7 is opened sealing plate 14 and the sealing sealing hole 17 sealing in neck of the lower end in air pump shell 4 and is opened the passage into natural gas, be arranged on answer the sealing plate 14 sealed on hole 17 in magnetic piston 7 under the effect of self gravitation automatic decline return and the passage entering natural gas closed in entrance extrusion chamber seals；When extrusion chamber enters natural gas, it is arranged on the ball sealer 8 on the internal taper hole of air outlet valve or seals cone 8 and utilize the gravity of self make ball sealer 8 or seal cone 8 automatic decline returns and close the passage of the discharge on air outlet valve and seal, answering magnetic piston 7 descending and make inlet chamber in, to produce pressure and promote the up passage entering natural gas then opened in entrance extrusion chamber of the sealing plate 14 being arranged on the sealing hole 17 answered in magnetic piston 7；When extrusion chamber discharges natural gas, under the effect of outlet pressure, promote the ball sealer 8 on the internal taper hole of air outlet valve or to seal cone 8 up and open the passage given vent to anger of air outlet valve, be arranged on and answer the sealing plate 14 sealed on hole 17 in magnetic piston 7 to utilize the gravity of self to make sealing plate 14 decline return automatically close and answer the passage entering natural gas on magnetic piston 7 to seal.

During use, the foot rest 2 efficiently taking out pressure natural-gas energy-saving equipment being supported and fixed on the ground, air inlet pipe 3 is connected with the escape pipe in the natural gas well.Not having remote control unit, directly connect the circuit that the contactor being connected with insulated electric conductor is connected with field controller, field controller is connected the power-on circuit of solenoid 13 and is produced electromagnetic field；Having remote control unit, press the starting button of remote controller switch, electronic signal receptor receives and starts the circuit that signal is followed by leading to electronic remote controller with field controller, and field controller is connected the power-on circuit of solenoid 13 and produced electromagnetic field；The captivation that electromagnetic field produces pulls answers magnetic piston 7 to overcome the pressure of iron core spring 6 to move up, when answering magnetic piston 7 to start up, it is arranged on and answers the sealing plate 14 sealed on hole 17 in magnetic piston 7 descending and close natural gas and enter the passage entering natural gas of extrusion chamber under the effect of the gravity of self；When answering magnetic piston 7 up, the up of magnetic piston 7 is answered to make the natural gas in extrusion chamber create pressure, there is the natural gas of pressure to promote ball sealer 8 from the internal taper hole that the endoporus of the sealed end of air outlet valve lower end enters in air outlet valve or to seal cone 8 up and open the sealing passage of air outlet valve, make the natural gas in extrusion chamber enter into after air outlet valve in the pipeline of conveying natural gas；Answer magnetic piston 7 when up, magnetic piston 7 is answered also to make to create in inlet chamber pull of vacuum, pull of vacuum is inhaled movable sealing plate 14 and is made sealing plate 14 and the sealing surface sealing hole 17 separate, natural gas enters into sealing hole 17 from air inlet pipe 3 through air inlet, enters answering in magnetic piston 7 inlet chamber below in air pump shell 4 then through the air passing hole 12 on restriction cap 11.

Answer magnetic piston 7 up move to compression iron core spring 6 compression stage spacing time, the power-on circuit of field controller cutoff solenoid 13, electromagnetic field disappear, answer magnetic piston 7 descending under the promotion of iron core spring 6；When answering magnetic piston 7 to start descending, the sealing plate 14 of air pump shell 4 lower end sealed in neck being arranged in air pump shell 4 lower end cuts out the passage entering natural gas of entrance inlet chamber under the effect of self gravitation, ball sealer 8 in air outlet valve or seal cone 8 under the effect of the gravity of self descending return and seal the inner conical surface of air outlet valve, cut off the outlet passageway of extrusion chamber；Answer magnetic piston 7 when descending, natural gas that magnetic piston 7 is forced in inlet chamber is answered to make natural gas produce internal pressure, the natural gas having pressure enter into from the passage 16 answered in magnetic piston 7 answer in magnetic piston 7 seal hole 17 upwards wash sealing plate 14 open with the sealing sealing hole 17 and continue after making sealing plate 14 displacement up, enter in extrusion chamber after the passage 16 in fixing plug 10.

Answer magnetic piston 7 descending when putting in place under the promotion of iron core spring 6, it is arranged on and answers descending the sealing hole 17 under the effect of the gravity of self of the sealing plate 14 sealed on hole 17 in magnetic piston 7 to shut and make natural gas not return inlet chamber, now, field controller is connected again the power-on circuit of solenoid 13 and is again produced electromagnetic field and make to answer magnetic piston 7 up；So circulation be switched on and off circuit, make solenoid 13 produce electromagnetic field and pull to answer magnetic piston 7 up and allow iron core spring 6 promote and answer magnetic piston 7 descending, constantly the natural gas in the natural gas well is extracted out and be transported in the pipeline of conveying shale gas.

Claims

1. efficiently take out pressure natural-gas energy-saving equipment for one kind, it is characterised in that: described pressure natural-gas energy-saving equipment of efficiently taking out includes protecting crust, solenoid, air pump shell, air inlet, sealing plate, sealing cone, restriction cap, iron core spring, answers magnetic piston, fixing plug, internal taper hole, passage, air outlet valve, air inlet pipe, field controller；

Being provided with solenoid in protecting crust, solenoid is fixed on the upper part outside air pump shell, and protecting crust is fixed on the outside protection solenoid 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 air inlet pipe not oppressed lower than air pump shell lower end；

The circuit connecting solenoid 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, fixing plug, iron core spring is arranged on the upper part of the inner chamber of air pump shell, magnetic piston is answered to be arranged on the lower part of inner chamber of air pump shell, the top, upper end of iron core spring is pressed in the upper end of inner chamber of air pump shell, lower end is pressed in the upper end answering magnetic piston, answers magnetic piston can slide up and down at the interior intracavity of air pump shell；In sealing hole below the consent answering in magnetic piston, sealing plate is installed, sealing plate is sealing in hole and can move up and down, being provided with to fix in consent and fill in the displacement limited when sealing plate moves up, the fixing plug fixing employing interference fit in consent is fixed or threaded engagement is fixed or adopts jump ring to be stuck in the jump-ring slot in consent fixes the two ends filled in；Sealing surface below sealing plate can close, when coordinating with the annular sealing surface sealing hole and seal, the passage entering natural gas answered on magnetic piston, and the sealing surface below sealing plate and the annular sealing surface sealing hole can open, when separating, the passage entering natural gas answered on magnetic piston；Being provided with sealing plate in the sealing hole sealed in neck of the lower end in air pump shell, restriction cap is fixed on the outside sealing neck by screw thread or jump ring, and when restriction cap is in the accommodation hole answering the lower end of magnetic piston upwards to cave in, restriction cap has gap with holding hole；The passage entering natural gas that sealing plate could seal or open, with the sealing hole cooperation sealed in neck, the inlet chamber entered in air pump shell；When answering magnetic piston stroking upward, the lumen portion answering the lower sections of air pump shell of magnetic piston is inlet chamber；When answering magnetic descent of piston, the lumen portion answering the air pump shell of magnetic piston upper part is extrusion chamber；Air inlet position in the lower end of air pump shell is fixed with air inlet pipe, and the endoporus of air inlet pipe communicates with air inlet；Being provided with air outlet valve in the upper end of air pump shell, the lower part of air outlet valve is fixed in the centre bore of the overlying one end of air pump shell；The upper end of air outlet valve is exposed the part of the upper surface of air pump shell and is connected with the pipeline of conveying natural gas by flexible pipe or hard tube；

Described protecting crust is the hollow cavity of annular, and hollow cavity has string holes, the parts being provided with in field controller, the gentle pump case of solenoid and air pump shell in hollow cavity to install, and string holes is to allow the hole of insulated electric conductor traverse；The inner of the annular housing of hollow cavity is fixed on air pump shell；

For the ease of the processing of protecting crust be easy to accessory to load in protecting crust, described protecting crust is the assembly 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 face of cylinder of cylindrical cavity is smooth curved surface；Upper end on the centrage of inner chamber has centre bore to have air inlet traverse air pump shell through air pump shell, lower end；There is sealing neck protruding upward at the middle part of the lower end in air pump shell, seal the upper part of inside of neck be seal hole, lower part is air inlet, in time sealing in hole and be fitted without sealing plate, seal hole communicate with air inlet, sealing hole and sealing plate following one side coordinate；

Described air outlet valve includes hollow valve body and seals cone, and hollow valve body is hollow pipe, and internal taper hole is in the middle part of the inner chamber of hollow pipe or middle and lower part, and the internal diameter of the upper part of the internal taper hole in hollow pipe internal diameter big, lower sections of is little；There is return-air sealed end the lower end of hollow valve body, the lower surface of return-air sealed end in the lower end of hollow valve body, upper surface be internal taper hole, the big end of internal taper hole communicates with the upper end of air outlet valve, small end communicates with the lower end of air outlet valve, is provided with sealing cone on the inner conical surface of internal taper hole；Described internal taper hole is tapered circular hole, and the face of circular hole is inner conical surface；The small end of internal taper hole under, hold upper greatly, inner conical surface coordinates with the male cone (strobilus masculinus) sealing cone, can seal inner conical surface under sealing the effect of gravity of cone self, can open inner conical surface when sealing and having suction above cone by suction and seal the passage of cone sealing；Seal cone air pressure above more big, seal cone more good with the gluing, sealing effect of inner conical surface；Inner conical surface can be opened when entering, from the endoporus of hollow valve body lower end, the natural gas having pressure and form passage with sealing the sealing bored；

For the ease of the processing of air pump shell be easy to accessory to load in air pump shell, described air pump shell is the assembly after segmentation；The upper end of the cylindrical cavity body portion in air pump shell is divided into two-stage nitration, the upper part of segmentation place is pump cover, lower part is the main body of air pump shell, centre bore is on pump cover, and air inlet 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 cylindrical cavity body portion in air pump shell is divided into two-stage nitration, the lower part of segmentation place is pump cover, upper part is the main body of air pump shell, air inlet is at the middle part of pump cover, centre bore 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 to answer magnetic piston be cylindrical iron core, and the periphery of cylindrical iron core is smooth periphery, has the annular groove of depression on smooth periphery, and annular groove is embedded with sealing ring；Described periphery coordinate with the inner chamber of air pump shell can the inner chamber of blanket gas pump case, and can slide at the interior intracavity of air pump shell；There is through hole the cylindrical central portion position of described cylindrical iron core and holds hole, holding hole and run through the lower surface of iron core, through hole runs through above iron core, holds hole below through hole, holding hole to communicate with through hole and inlet chamber, through hole communicates with extrusion chamber and accommodation hole；The upper part of described through hole runs through the upper surface of iron core, lower part runs through the top in the lower sections of accommodation hole of iron core, the lower part of through hole is passage, the upper part of through hole is consent, and the mid portion between passage and consent is to seal hole；Concave up sunken accommodation hole is had in the lower end of cylindrical iron core, the circular hole that described accommodation hole communicates with passage, upwards caves in, when answering magnetic piston to arrive the lower end in air pump shell, hold hole and be used for holding restriction cap and making restriction cap not collide with answering magnetic piston；Being passage holding above hole, the above of passage is to seal hole, and sealing the above of hole is consent；Described passage is the via allowing natural gas pass through, and communicates with accommodation hole and consent；Described consent is to install and the fixing hole filled in, and communicates with accommodation hole and extrusion chamber；

Described fixing plug be restriction be arranged on the distance of answering the sealing plate sealed in hole in magnetic piston to move up, centre have the plug of passage, described plug to be that centre has the cylinder of through hole or annular ring or card spring coil；When fixing plug is the cylinder that there is through hole centre, the fixing employing interference fit in consent is fixed or threaded engagement is fixed or adopts jump ring to be stuck in the jump-ring slot in consent the two ends of fixed cylinder；When fixing plug is annular ring, the fixing employing interference fit in consent is fixed or adopts jump ring to be stuck in the jump-ring slot in consent the two ends of stationary annular circle；When fixing plug is card spring coil, directly jump ring is stuck in consent；

Described sealing hole is shallow cylinder or the hole of shallow cone cylindricality, above the air inlet sealed in neck of the lower end in air pump shell and the upper surface of sealing neck forms one-level rank and forms the rank of one-level annular with consent between the passage answered in magnetic piston and consent respectively, the face, hole in the hole of shallow cylinder or the hole of shallow cone cylindricality be hold sealing plate inner headed face or internal conical surface, seal hole bottom surface be following porose annular sealing surface；

Described sealing cone is cone or cone cylinder, and the annular surface of cone or cone cylinder is tapered male cone (strobilus masculinus)；Seal and seal inner conical surface by pressing under the gravity of sealing cone self when the male cone (strobilus masculinus) bored seals with inner conical surface；

Described sealing plate is circular flat board, and below flat board, one side is sealing surface, and sealing surface coordinates with the hole that seals sealed in neck and coordinates with answering the sealing hole on magnetic piston respectively；

Described restriction cap is calotte, and the crown part of calotte has the air passing hole allowing gas pass through, and the hatband part of calotte is fixed on to seal can limit on neck and seals the distance moved on the sealing plate installed in neck；

Described field controller is to control solenoid to produce the controller of electromagnetic field, to the interval time producing electromagnetic field for the second time more every time after controlling the time of electromagnetic field generation and the time length of generation electromagnetic field and producing electromagnetic field；

Described air inlet pipe is to connect the air inlet of air pump shell and connect the hollow pipe of the pipeline of output natural gas in the natural gas well；

Described air inlet be natural gas enter the inner chamber of air pump shell through air passing hole, at the lower part in the centre sealing neck；The time in of being fitted without sealing plate in sealing hole, the sealing hole sealed on neck of protecting crust lower end communicates with air inlet；

In inlet chamber, lay in natural gas, in extrusion chamber, extrude natural gas and produce air pressure；When entering natural gas in extrusion chamber, inlet chamber communicates with extrusion chamber；When extruding natural gas in extrusion chamber, inlet chamber disconnects the passage entering natural gas entering extrusion chamber by sealing the internal taper hole sealing bored and answer in magnetic piston；

Described efficiently take out in the process that pressure natural-gas energy-saving equipment extracts natural gas in the natural gas well, control there is no return spring into natural gas passage with in going out the one-way check valve of natural gas passage；When inlet chamber enters natural gas, answer the suction that magnetic piston stroking upward produces to open sealing plate and open the passage into natural gas with the sealing sealing hole sealing in neck of the lower end in air pump shell, be arranged on answer the sealing plate sealed on hole in magnetic piston under the effect of self gravitation automatic decline return and the passage entering natural gas closed in entrance extrusion chamber seals；When extrusion chamber enters natural gas, the cone that seals being arranged on the internal taper hole of air outlet valve utilizes the gravity of self to make sealing bore automatic decline return and closes the passage of the discharge on air outlet valve and seal, and answers magnetic descent of piston and making to produce pressure inlet chamber in and promotes to be arranged on and answer the up passage entering natural gas then opened in entrance extrusion chamber of the sealing plate sealed on hole in magnetic piston；When extrusion chamber discharges natural gas, promote under the effect of outlet pressure on the internal taper hole of air outlet valve to seal cone up and open the passage given vent to anger of air outlet valve, be arranged on and answer the sealing plate sealed on hole in magnetic piston to utilize the gravity of self to make sealing plate decline return automatically close and answer the passage entering natural gas on magnetic piston to seal；

During use, the foot rest efficiently taking out pressure natural-gas energy-saving equipment being supported and fixed on the ground, air inlet pipe is connected with the escape pipe in the natural gas well；Connecting the circuit that the contactor being connected with insulated electric conductor is connected with field controller, field controller is connected the power-on circuit of solenoid and is produced electromagnetic field；The captivation that electromagnetic field produces pulls the pressure answering magnetic piston overpowers iron core spring to move up, when answering magnetic piston to start up, it is arranged on and answers the sealing plate sealed on hole in magnetic piston descending and close natural gas and enter the passage entering natural gas of extrusion chamber under the effect of the gravity of self；When answering magnetic piston stroking upward, the up of magnetic piston is answered to make the natural gas in extrusion chamber create pressure, having the natural gas of pressure to promote from the internal taper hole that the endoporus of the sealed end of air outlet valve lower end enters in air outlet valve, to seal cone up and open the sealing passage of air outlet valve, makes the natural gas in extrusion chamber enter into after air outlet valve in the pipeline of conveying natural gas；Answer magnetic piston when up, magnetic piston is answered also to make to create in inlet chamber pull of vacuum, pull of vacuum is inhaled movable sealing plate and is made sealing plate with the sealing surface sealing hole separately, natural gas enters into sealing hole from air inlet pipe through air inlet, enters answering in the inlet chamber below magnetic piston in air pump shell then through the air passing hole on restriction cap；

Answer magnetic piston stroking upward move to compression iron core spring compression stage spacing time, the power-on circuit of field controller cutoff solenoid, electromagnetic field disappear, answer magnetic piston descending under the promotion of iron core spring；When answering magnetic piston to start descending, the sealing plate of the air pump shell lower end sealed in neck being arranged in air pump shell lower end cuts out the passage entering natural gas of entrance inlet chamber under the effect of self gravitation, ball sealer in air outlet valve or seal cone under the effect of the gravity of self descending return and seal the inner conical surface of air outlet valve, cut off the outlet passageway of extrusion chamber；Answer magnetic piston when descending, natural gas that magnetic piston is forced in inlet chamber is answered to make natural gas produce internal pressure, the natural gas having pressure enters into from the passage answered in magnetic piston that to answer sealing in magnetic piston to continue after hole is upwards washed sealing plate open and made sealing plate displacement with the sealing sealing hole up, enters in extrusion chamber after the passage in fixing plug；

2. according to claim 1 efficiently taking out presses natural-gas energy-saving equipment, it is characterised in that: keep the shape of protecting crust to ensure protecting crust that solenoid can be protected without damage, the interior intracavity manufacture at protecting crust has the skeleton of support.

3. according to claim 1 efficiently taking out presses natural-gas energy-saving equipment, it is characterised in that: in order to enable to answer magnetic piston to promote the natural gas in the inlet chamber in air pump shell to enter in extrusion chamber, adopt iron core spring as promoting the power answering magnetic descent of piston.

4. according to claim 1 efficiently taking out presses natural-gas energy-saving equipment, it is characterised in that: adopt the contactor being connected with insulated electric conductor to control being switched on and off of the connection circuit of field controller.

5. according to claim 1 efficiently take out pressure natural-gas energy-saving equipment, it is characterised in that: described efficiently take out pressure natural-gas energy-saving equipment compact conformation, vibrate little, utilization rate of electrical is high, powerful, is suitable for extraction natural gas from the natural gas well；The market prospect of industrialization is good, commercial value is high, manufactures and uses all very convenient.

6. the manufacture method efficiently taking out pressure natural-gas energy-saving equipment, it is characterised in that: during fabrication, answer magnetic piston to adopt the material manufacture of the hard to bear magnetic field suction of energy；Fixing plug adopts the material manufacture of a kind of type in metal, plastics, nylon, fiberglass, rubber or several types；Iron core spring adopts a kind of type in metal and rubber or two kinds of material manufacture, and when adopting elastomeric material to manufacture, iron core spring creates hollow tubular type spring, utilizes the elasticity of rubber and contractility to realize the function of spring；

Protecting crust creates the hollow cavity of annular, and hollow cavity manufactures to be had string holes, string holes to create to allow the hole of insulated electric conductor traverse；Being provided with in field controller, the gentle pump case of solenoid and air pump shell the parts installed in hollow cavity, the inner of the annular housing of hollow cavity is fixed on air pump shell；

In order to convenient for assembly, during fabrication, after protecting crust is divided into two parts manufacture from annular position, recombinant is together for protecting crust；

The inner chamber of air pump shell creates the cavity of cylinder, and the periphery of cylindrical cavity creates smooth curved surface；Upper end on the centrage of inner chamber manufactures to have has air inlet traverse air pump shell through the centre bore of air pump shell, lower end manufacture；The middle part of the lower end in air pump shell manufactures sealing neck protruding upward, and the upper part sealing the inside of neck creates sealing hole, lower part creates air inlet, seals hole and communicates with air inlet, sealing hole and sealing plate following one side coordinate；

Air outlet valve creates hollow valve body and seals cone two parts, and hollow valve body creates hollow pipe, and internal taper hole manufacture is in the middle part of the inner chamber of hollow pipe or middle and lower part, and the internal diameter that the internal diameter that the upper part of the internal taper hole in hollow pipe manufactures is big, lower part manufactures is little；The lower end of hollow valve body manufactures return-air sealed end, the lower surface of return-air sealed end manufactures and creates internal taper hole in the lower end of hollow valve body, upper surface, the big end of internal taper hole communicates with the upper end of air outlet valve, small end communicates with the lower end of air outlet valve, is provided with sealing cone on the inner conical surface of internal taper hole；Described internal taper hole creates tapered circular hole, and the face of circular hole creates inner conical surface；The small end of internal taper hole under, hold upper greatly, inner conical surface can be sealed under sealing the effect of gravity of cone self, inner conical surface can be opened when sealing and having suction above cone by suction and seal the passage that cone seals；Seal cone air pressure above more big, seal cone more good with the gluing, sealing effect of inner conical surface；Inner conical surface can be opened when entering, from the endoporus of hollow valve body lower end, the natural gas having pressure and form passage with sealing the sealing bored；

For the ease of the processing of air pump shell be easy to accessory to load in air pump shell, described air pump shell creates the assembly after segmental machining manufactures；The upper end of the cylindrical cavity body portion in air pump shell is divided into two-stage nitration manufacture, the upper part of segmentation place creates pump cover, lower part creates the main body of air pump shell, centre bore manufactures on pump cover, air inlet manufactures at the middle part of the main body lower end of air pump shell, and it is a composite entity that the main body after the gentle pump case of pump cover is combined into after manufacturing；Or, the lower end of the cylindrical cavity body portion in air pump shell is divided into two-stage nitration manufacture, the lower part of segmentation place creates pump cover, upper part creates the main body of air pump shell, air inlet manufactures at the middle part of pump cover, it is a composite entity that centre bore manufacture is combined into after the main body of the middle part of the upper end of the main body of air pump shell, pump cover and air pump shell manufactures；

Answering magnetic piston to create the iron core of cylinder, the periphery of cylindrical iron core creates smooth periphery, manufactures the annular groove having depression on smooth periphery, and annular groove is embedded with sealing ring；Described periphery coordinate with the inner chamber of air pump shell can the inner chamber of blanket gas pump case, and can slide at the interior intracavity of air pump shell；The cylindrical central portion position of described cylindrical iron core manufactures to be had through hole and holds hole, holding hole and run through the lower surface of iron core, through hole runs through above iron core, holds hole and manufactures below through hole, holding hole to communicate with through hole and inlet chamber, through hole communicates with extrusion chamber and accommodation hole；Described through hole creates that upper part runs through the upper surface of iron core, lower part runs through the top in the lower sections of accommodation hole of iron core, the lower part of through hole creates passage, the upper part of through hole creates consent, and the mid portion between passage and consent creates sealing hole；Manufacture in the lower end of cylindrical iron core and have concave up sunken accommodation hole, the described hole that holds creates circular hole that communicate, that upwards cave in passage, when answering magnetic piston to arrive the lower end in air pump shell, hold hole and can hold restriction cap and make restriction cap not collide with answering magnetic piston；Having passage holding the manufactured above of hole, the manufactured above of passage has sealing hole, and sealing the manufactured above of hole has consent；Described passage creates the via allowing natural gas pass through, and communicates with accommodation hole and consent；Described consent creates to be installed and the fixing hole filled in, and communicates with accommodation hole and extrusion chamber；

The described hole that seals creates shallow cylinder or the hole of shallow cone cylindricality, manufacture above the air inlet sealed in neck of the lower end in air pump shell respectively and formation one-level rank, upper surface and the manufacture of sealing neck form the rank of one-level annular with consent between the passage answered in magnetic piston and consent, the face, hole in the hole of shallow cylinder or the hole of shallow cone cylindricality create accommodation sealing plate inner headed face or internal conical surface, seal hole bottom surface create following porose annular sealing surface；

Sealing cone and create cone or cone cylinder, the annular surface of cone or cone cylinder creates tapered male cone (strobilus masculinus)；Seal and seal inner conical surface by pressing under the gravity of sealing cone self when the male cone (strobilus masculinus) bored seals with inner conical surface；

Sealing plate creates the flat board of circle, and below flat board, one side creates sealing surface, and sealing surface coordinates with the hole that seals sealed in neck and coordinates with answering the sealing hole on magnetic piston respectively；

Restriction cap creates calotte, and the crown part of calotte manufactures the air passing hole allowing gas pass through, and the hatband part of calotte is fixed on to seal can limit on neck and seals the distance moved on the sealing plate installed in neck；

Field controller creates and controls solenoid and produce the controller of electromagnetic field, to the interval time producing electromagnetic field for the second time again after controlling time and the length producing the electromagnetic field time that electromagnetic field produces and every time producing electromagnetic field；

Air inlet pipe creates the air inlet connecting air pump shell and connects the hollow pipe of the pipeline of output natural gas in the natural gas well；

Air inlet create natural gas enter air pump shell inner chamber through via, manufacture the lower part in the centre sealing neck；The time in of being fitted without sealing plate in sealing hole, the sealing hole sealed on neck of protecting crust lower end communicates with air inlet；

Keep the shape of protecting crust to ensure protecting crust that solenoid can be protected without damage, the interior intracavity manufacture at protecting crust has the skeleton of support；

In order to enable to answer magnetic piston to promote the natural gas in the inlet chamber in air pump shell to enter in extrusion chamber, adopt iron core spring as promoting the power answering magnetic descent of piston；

Being provided with solenoid in protecting crust, solenoid is fixed on the upper part outside air pump shell, and protecting crust is fixed on the outside protection solenoid 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 air inlet pipe not oppressed lower than air pump shell lower end；The circuit connecting solenoid 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, fixing plug, iron core spring is arranged on the upper part of the inner chamber of air pump shell, magnetic piston is answered to be arranged on the lower part of inner chamber of air pump shell, the top, upper end of iron core spring is pressed in the upper end of inner chamber of air pump shell, lower end is pressed in the upper end answering magnetic piston, answers magnetic piston can slide up and down at the interior intracavity of air pump shell；In sealing hole below the consent answering in magnetic piston, sealing plate is installed, sealing plate is sealing in hole and can move up and down, being provided with to fix in consent and fill in the displacement limited when sealing plate moves up, the fixing plug fixing employing interference fit in consent is fixed or threaded engagement is fixed or adopts jump ring to be stuck in the jump-ring slot in consent fixes the two ends filled in；Sealing surface below sealing plate can close, when coordinating with the annular sealing surface sealing hole and seal, the passage entering natural gas answered on magnetic piston, and the sealing surface below sealing plate and the annular sealing surface sealing hole can open, when separating, the passage entering natural gas answered on magnetic piston；Being provided with sealing plate in the sealing hole sealed in neck of the lower end in air pump shell, restriction cap is fixed on the outside sealing neck by screw thread or jump ring, and when restriction cap is in the accommodation hole answering the lower end of magnetic piston upwards to cave in, restriction cap has gap with holding hole；The passage entering natural gas that sealing plate could seal or open, with the sealing hole cooperation sealed in neck, the inlet chamber entered in air pump shell；When answering magnetic piston stroking upward, the lumen portion answering the lower sections of air pump shell of magnetic piston is inlet chamber；When answering magnetic descent of piston, the lumen portion answering the air pump shell of magnetic piston upper part is extrusion chamber；Air inlet position in the lower end of air pump shell is fixed with air inlet pipe, and the endoporus of air inlet pipe communicates with air inlet；Being provided with air outlet valve in the upper end of air pump shell, the lower part of air outlet valve is fixed in the centre bore of the overlying one end of air pump shell；The upper end of air outlet valve is exposed the part of the upper surface of air pump shell and is connected with the pipeline of conveying natural gas by flexible pipe or hard tube.