CN105715485A - Efficient and energy-saving sewage draining pump - Google Patents

Abstract

The invention discloses an efficient and energy-saving sewage draining pump and belongs to sewage treatment equipment. An upper magnet and a lower magnet of the efficient and energy-saving sewage draining pump are arranged outside a sewage pumping shell. A protection cover is fixed to the sewage pumping shell. An annular floating cavity is fixed to the lower face of the protection cover. A residue filter is fixed to the position of a water inlet hole in the lower end of the sewage pumping shell. A sewage draining valve is fixed into a center hole of the sewage pumping shell. A magnetized piston is arranged in the sewage pumping shell. A sewage inlet channel of a water inlet cavity is sealed through a sealing cap. A sewage inlet channel of an extrusion cavity is sealed through a sealing plate. A fixing plug is fixed into a plug hole in the magnetized piston. A sealing ball or a sealing cone is installed in an inner cone hole. A containing hole is formed in the lower end of the magnetized piston. The efficient and energy-saving sewage draining pump is compact in structure, low in vibration, high in electric energy utilization rate, high in power, and suitable for pumping and draining sewage in a sewage treatment pond and pumping and draining sewage in a sewage settling pond; sludge and slurry cannot enter a sewage pump during sewage pumping and draining; and sewage can automatically flow to be conveyed after a power source is shut off, and electric energy is saved.

Description

Blowdown high efficiency energy saving pump

Technical field

The present invention relates to field of sewage, particularly relate in treatment tank or detention tank swims in the blowdown high efficiency energy saving pump of the sewage of pump drainage sewage on oilysewage surface.

Background technology

Traditional when the Bilge draining-off sewage of cesspool effluent sewerage and blocking, it is all adopt immersed sewage pump blowdown, the situation of blocking often occurs with immersed sewage pump blowdown；For this, we have devised the dredge pump that can swim on oilysewage surface.

Summary of the invention

That the present invention relates in order that provide a kind of manufacture that can swim in the blowdown high efficiency energy saving pump of efficient pump drainage sewage on oilysewage surface and method thereof.

For achieving the above object, blowdown high efficiency energy saving pump of the present invention mainly include protective cover, the floating chamber of annular, upper Magnet, lower magnet, pump dirt shell, inlet opening, ball sealer or seal cone, sealing plate, sealing cap, by magnetic piston, fixing plug, internal taper hole, limbers, blowoff valve, Slag filter, field controller, electronic remote controller；

Or, described blowdown high efficiency energy saving pump mainly include protective cover, the floating chamber of annular, upper Magnet, lower magnet, pump dirt shell, inlet opening, ball sealer or seal cone, sealing plate, sealing cap, by magnetic piston, fixing plug, internal taper hole, limbers, blowoff valve, Slag filter, field controller.

Magnet and lower magnet on being provided with in protective cover, upper Magnet is fixed on the upper part outside pump dirt shell, and lower magnet is fixed on the lower part outside pump dirt shell, and protective cover is fixed on the upper Magnet of outside protection of pump dirt shell and the coil of lower magnet；Below the outside of protective cover, one side is fixed with the floating chamber of annular, and the lower end in the floating chamber of annular is lower than the lower end of the Slag filter being fixed on pump dirt shell lower end.

In connection, the circuit of Magnet and lower magnet is connected with the circuit of field controller; the circuit of field controller is connected with electronic remote controller; electronic remote controller is connected with insulated electric conductor; insulated electric conductor is connected with teacher position key switch, and the electronic signal receptor of field controller, electronic remote controller and electronic remote controller is arranged in protective cover；Or, in connection, the circuit of Magnet and lower magnet is connected with the circuit of field controller, and the circuit of field controller is connected with insulated electric conductor, and insulated electric conductor is connected with teacher position key switch, and field controller is arranged in protective cover.

Be provided with in pump dirt shell sealing plate, seal cap, by magnetic piston, ball sealer or seal cone, fixing plug, the interior intracavity being arranged on pump dirt shell by magnetic piston can slide up and down；In by the sealing hole below the consent 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 be closed when coordinating with the annular sealing surface sealing hole and seal by the passage entering sewage on magnetic piston, and the sealing surface below sealing plate and the annular sealing surface sealing hole can be opened by the passage entering sewage on magnetic piston when separating；Being cased with sealing cap on the periphery sealing neck of the lower end in pump dirt shell, seal cap and can slide up and down on the periphery sealing neck, when sealing cap is in the accommodation hole upwards caved in the lower end by magnetic piston, sealing cap with holding hole has gap；The inner sealing surface sealed in cap coordinates with the annular sealing surface sealing neck end and can seal or open the passage entering sewage in entrance pump dirt shell；During by magnetic piston stroking upward, the lumen portion by the lower sections of pump dirt shell of magnetic piston is intake antrum；During by magnetic descent of piston, the lumen portion by the pump dirt shell of magnetic piston upper part is extrusion chamber.Being provided with Slag filter at the inlet opening place of the lower end of pump dirt shell, the apopore of Slag filter communicates with the inlet opening of pump dirt shell；Being provided with blowoff valve in the upper end of pump dirt shell, the lower part of blowoff valve is fixed in the centre bore of the overlying one end of pump dirt shell；The upper end of blowoff valve is exposed the part of the upper surface of pump dirt shell and is connected with the pipeline of conveying sewage by flexible pipe or telescoping tube.

The material of described protective cover is the material of a kind of type in metal, plastics, nylon, fiberglass or several types；The material in the floating chamber of described annular is the material of a kind of type in metal, plastics, nylon, fiberglass, rubber or several types, when the floating chamber of annular during employing elastomeric material or after molding is soft-shell, inflate and can bubble through the water column first in use the inner chamber in the floating chamber of annular；The material of blowdown valve body and pump dirt shell 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；Seal cap and sealing plate material adopt the material of a kind of type in metal, plastics, nylon and fiberglass or several types；Material by 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.

Described protective cover is the hollow cavity of annular; hollow cavity has string holes; the parts installed are installed in hollow cavity in field controller, upper Magnet, lower magnet and pump dirt shell and pump dirt shell; or, the parts installed are installed in hollow cavity in electronic remote controller, field controller, upper Magnet, lower magnet and pump dirt shell and pump dirt 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 pump dirt shell.

For the ease of the processing of protective cover be easy to accessory to load in protective cover, described protective cover is the assembly after segmentation, and after the annular position of protective cover is divided into two parts, recombinant is together.

The floating chamber of described annular is cross section is square circular or oval hollow circular cavity；The buoyancy that annular housing produces in sewage can be supported and fixed on the total weight of the accessory of the pump dirt shell above the floating chamber of annular and pump dirt shell inside and outside, and makes to be fixed in the water inlet deep enough sewage of energy of the Slag filter below the inlet opening of pump dirt shell lower end；The floating chamber of annular can isolate the floating thing on oilysewage surface and make floating thing not enter in the sewage in the middle of the floating chamber of annular, serves the effect of coarse filtration.

The inner chamber of described pump dirt 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 inlet opening traverse pump dirt shell through pump dirt shell, lower end；There is sealing neck protruding upward at the middle part of the lower end in pump dirt shell, the upper end sealing neck is annular sealing surface, the inside sealing neck is inlet opening, when the inner sealing surface sealing cap does not have with ring packing face seal, inlet opening is communicated with intake antrum by water hole, and the inner sealing surface sealing cap and the annular sealing surface sealing neck coordinate；Described annular sealing surface is the sealing surface of the flat smooth of annular, and sealing surface is for coordinating with the inner sealing surface sealed in cap；Described sealing cap is the circular pipe type cap body that top seals, and it is inner sealing surface that the inner top of sealing cap divides, and the cylindrical parts near inner sealing surface has water hole.

Described blowoff valve includes blowdown valve body and ball sealer or seals cone, and blowdown 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 backwater sealed end the lower end of blowdown valve body, the lower surface of backwater sealed end in the lower end of blowdown valve body, upper surface be internal taper hole, the big end of internal taper hole communicates with the upper end of blowoff valve, small end communicates with the lower end of blowoff valve, is provided with ball sealer or seals cone on the inner conical surface of internal taper hole.Described sealing cone is cone or cone cylinder, and the annular surface of cone or cone cylinder is tapered male cone (strobilus masculinus)；Described ball sealer is the surface of spherosome or oval ball, spherosome or oval ball is sealing surface, and sealing surface is smooth sphere；The sphere of ball sealer and sealing bore by the self gravitation of ball sealer and sealing when male cone (strobilus masculinus) and the inner conical surface of cone seal self under press and seal inner conical surface.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 Hydraulic 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 blowdown valve body lower end, the sewage having pressure and form passage, or, the sealing of inner conical surface and ball sealer or sealing cone can be opened when entering, from the endoporus of blowdown valve body lower end, the sewage having pressure and form passage.

For the ease of the processing of pump dirt shell be easy to accessory to load in pump dirt shell, described pump dirt shell is the assembly after segmentation；The upper end of the cylindrical cavity body portion in pump dirt shell is divided into two-stage nitration, the upper part of segmentation place is pump cover, lower part is the main body of pump dirt shell, centre bore is on pump cover, and inlet opening is at the middle part of the main body lower end of pump dirt shell, and the body combination of pump cover and pump dirt shell becomes a composite entity；Or, the lower end of the cylindrical cavity body portion in pump dirt shell is divided into two-stage nitration, the lower part of segmentation place is pump cover, upper part is the main body of pump dirt shell, inlet opening is at the middle part of pump cover, centre bore is at the middle part of the upper end of the main body of pump dirt shell, and the body combination of pump cover and pump dirt shell becomes a composite entity.

Described is the iron core of cylinder by magnetic piston, 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 pump dirt shell can the inner chamber of canned pump dirt shell, and can slide at the interior intracavity of pump dirt 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 intake antrum, 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 limbers, the upper part of through hole is consent, and the mid portion between limbers 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 limbers, upwards caves in, when being arrived the lower end in pump dirt shell by magnetic piston, hold hole and be used for holding sealing cap and making sealing cap not collide with by magnetic piston.Being limbers holding above hole, the above of limbers is to seal hole, and sealing the above of hole is consent；Described limbers is the via allowing sewage 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 that moved up by the sealing plate sealed in hole in magnetic piston, centre have the plug of limbers, 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, by rank annular with the bottom formation one-level of consent between the limbers in magnetic piston and consent, 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 plate is circular flat board, and below flat board, one side is sealing surface, and sealing surface coordinates with by the sealing hole on magnetic piston；

Described field controller is to control upper Magnet and lower magnet produces the controller of electromagnetic field, control go up Magnet and lower magnet produce time of electromagnetic field and produce the time length of electromagnetic field and produce electromagnetic field every time after to the interval time producing electromagnetic field for the second time again.

Described upper Magnet and lower magnet are able to produce the solenoid of 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 of blowdown high efficiency energy saving pump and cuts off the control circuit of blowdown high efficiency energy saving pump；Described electronic remote controller can have in the present invention, it is also possible to does not have.

Described Slag filter is the filter of the dust in filter sewage and impurity, and the upper end of Slag filter has on apopore, vertical plane or curved surface and has water inlet, and the inside of Slag filter is provided with filter element or drainage screen；Slag filter can make the floating thing in sewage not enter in dredge pump, serves the effect of particulate matter in fine filtering sewage；Slag filter can make the floating thing in sewage not enter in dredge pump, serves the effect of particulate matter in fine filtering sewage.

Described inlet opening be sewage enter the inner chamber of pump dirt shell through water hole, in the centre sealing neck, inlet opening communicates with intake antrum.

In intake antrum, lay in sewage, in extrusion chamber, extrude sewage and produce hydraulic pressure；When entering sewage in extrusion chamber, intake antrum communicates with extrusion chamber；When extruding sewage in extrusion chamber, intake antrum disconnects the passage entering sewage entering extrusion chamber by the sealing hole in magnetic piston by sealing plate with being sealed.

Described blowdown high efficiency energy saving pump, in the process of pump drainage sewage, controls do not have return spring into sewage routeway with in going out the one-way check valve of sewage routeway；When intake antrum enters sewage, the suction produced by magnetic piston stroking upward is opened and is sealed cap and open the passage into sewage with sealing the sealing of neck, be arranged on by the sealing plate sealed on hole in magnetic piston under the effect of self gravitation automatic decline return and the passage entering sewage closed in entrance extrusion chamber seals；When extrusion chamber enters sewage, it is arranged on the ball sealer on the internal taper hole of blowoff 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 blowoff valve and seal, being made to produce in intake antrum pressure by magnetic descent of piston and promote to be arranged on and then opened, by the sealing plate sealed on hole in magnetic piston is up, the passage entering sewage entered in extrusion chamber；When extrusion chamber effluent sewerage, under the effect of discharge pressure, promote the ball sealer on the internal taper hole of blowoff valve or to seal cone up and open the passage of the water outlet of blowoff valve, be arranged on and utilized the gravity of self to make sealing plate decline return automatically close and be sealed by the passage entering sewage on magnetic piston by the sealing plate sealed on hole in magnetic piston.

When pump drainage sewage, when carrying the outlet of pipeline of sewage lower than the water inlet of Slag filter being fixed on pump dirt shell lower end, when the head of the sewage exported by pump water arrives the outlet of the pipeline of conveying sewage, under siphonage, it is arranged on the ball sealer in blowoff valve or sealing cone is pulled and the up passage opening water outlet that separates with internal taper hole by the suction of water outlet, the passage of the water inlet entering extrusion chamber opened by the sealing plate sealed on hole being arranged in ferrite core piston under the pulling going out water suction force, it is arranged on the cap that seals sealing on neck under the pulling going out water suction force, opens the passage of the water inlet entering intake antrum, the passage of whole pump water has reformed into the passage of gravity flow, just can self-flowing pastefill sewage after closing power supply.

In order to ensure blowdown high efficiency energy saving pump can normal operation, control circuit has electronic remote controller, adopts electronic remote controller to control being switched on and off of power-on circuit of field controller；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 power-on circuit of field controller.

In order to ensure that protective cover can be protected the coil of upper Magnet and lower magnet without damage and keeps the shape of protective cover, the interior intracavity manufacture at protective cover has the skeleton of support.

Not having mud and mud to ensure to enter in the sewage in sewage pump, the lower end in the floating chamber of annular makes water inlet maintain a certain distance with the bottom for the treatment of tank or the bottom of detention tank lower than the water inlet of Slag filter.

Keeping shape to ensure the floating chamber of annular can produce enough buoyancy and be not easy deformation, the interior intracavity manufacture in the floating chamber of annular has the skeleton of support.

In order to enable to be subject to the sewage in the intake antrum in magnetic piston driving pump dirt shell to enter in extrusion chamber, the electromagnetic field that lower magnet produces is adopted to be moved down, by magnetic piston, the power sewage in intake antrum being clamp-oned extrusion chamber as pulling.

During use, being placed in the sewage for the treatment of tank and in the sewage of detention tank by floating for the annular of dredge pump chamber, the water inlet of Slag filter gos deep in sewage；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 upper Magnet and lower magnet and is produced electromagnetic field；Having remote control unit, press the starting button of remote controller switch, electronic remote controller receives the power-on circuit connecting field controller after starting signal, and field controller is connected the power-on circuit of the upper Magnet of circulation connection and lower magnet and produced electromagnetic field；When upper Magnet produces electromagnetic field, the captivation of electromagnetic field pulls and is moved up by magnetic piston, when being started up by magnetic piston, be arranged on by the sealing plate sealed on hole in magnetic piston under the effect of the gravity of self descending and close sewage and enter the passage entering sewage of extrusion chamber；When by magnetic piston stroking upward, the sewage in extrusion chamber is made to create pressure by the up of magnetic piston, there is the sewage of pressure to promote ball sealer from the internal taper hole that the endoporus of the sealed end of blowoff valve lower end enters in blowoff valve or to seal cone up and open the sealing passage of blowoff valve, make the sewage in extrusion chamber enter in blowdown pipe network after blowoff valve or in the pipeline of conveying sewage；By magnetic piston when up, also made to create in intake antrum pull of vacuum by magnetic piston, pull of vacuum is inhaled movable sealing cap and is opened and make sealing cap and the annular sealing surface sealing neck separate, and sewage enters from the water inlet of Slag filter after filtering Slag filter and to enter inlet opening, inlet opening then through being subject in the intake antrum below magnetic piston in the water hole entrance pump dirt shell sealed cap from apopore again.

When being moved into place by magnetic piston stroking upward, the power-on circuit of the upper Magnet of field controller disconnection is followed by the power-on circuit of catharsis Magnet, and the electromagnetic field of upper Magnet disappears, and the electromagnetic field that lower magnet produces pulls by magnetic descent of piston；When being started descending by magnetic piston, be arranged in pump dirt shell lower end seal on neck seal cap under the effect of self gravitation descending return and close the passage entering sewage that enters intake antrum, ball sealer in blowoff valve or seal cone inner conical surface of descending return and sealed waste discharge valve under the effect of the gravity of self, has cut off the exhalant canal of extrusion chamber；By magnetic piston when descending, it is forced into the sewage in intake antrum by magnetic piston and makes sewage produce internal pressure, there is the sewage of pressure to be continued up after hole is upwards washed sealing plate open and made sealing plate displacement with the sealing sealing hole by sealing in magnetic piston from being entered into by the limbers in magnetic piston, enter in extrusion chamber behind the limbers in fixing plug.

By magnetic piston under the gravitation of the electromagnetic field that lower magnet produces pulls descending put in place time, it is arranged on and is shut by descending the sealing hole under the effect of the gravity of self of the sealing plate sealed on hole in magnetic piston and make sewage not return intake antrum, now, field controller is connected again the power-on circuit of Magnet and is again produced electromagnetic field and pull by magnetic piston stroking upward；What so circulate is switched on and off circuit, make the electromagnetic field that Magnet produces pull and pulled by magnetic descent of piston by magnetic piston stroking upward and the electromagnetic field allowing lower magnet produce, constantly from treatment tank or sewage detention tank pumps out sewage and is transported in blowdown pipe network or in the pipeline of conveying sewage, and the sewage extracted there is no mud and mud；In the process of pump drainage sewage, the floating chamber of annular changes automatically with the change of the water surface.

A kind of manufacture method of blowdown high efficiency energy saving pump, it is characterised in that:

During fabrication, protective cover adopts the material manufacture of a kind of type in metal, plastics, nylon, fiberglass or several types；The floating chamber of annular adopts the material manufacture of a kind of type in metal, plastics, nylon, fiberglass, rubber or several types, when the floating chamber of annular when adopting elastomeric material to manufacture or after manufacture shaping is soft-shell, inflates first in use the inner chamber that annular floats chamber and make it bubble through the water column；Blowdown valve body and pump dirt shell adopt 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；Seal the material manufacture of a kind of type in cap and sealing plate employing metal, plastics, nylon and fiberglass or several types；The material being adopted the hard to bear magnetic field suction of energy by magnetic piston manufactures；Fixing plug adopts the material manufacture of a kind of type in metal, plastics, nylon, fiberglass, rubber or several types.

Protective cover 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, upper Magnet, lower magnet and pump dirt shell and pump dirt shell, or, the parts installed are installed in hollow cavity in electronic remote controller, field controller, upper Magnet, lower magnet and pump dirt shell and pump dirt shell；The inner of the annular housing of hollow cavity is fixed on pump dirt shell.

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

It is square circular or oval hollow circular cavity that the floating chamber of annular creates cross section；The buoyancy that annular housing produces in sewage can be supported and fixed on the total weight of the accessory of the pump dirt shell above the floating chamber of annular and pump dirt shell inside and outside, and makes to be fixed in the water inlet deep enough sewage of energy of the Slag filter below the inlet opening of pump dirt shell lower end；The floating chamber of annular can isolate the floating thing on oilysewage surface and make floating thing not enter in the sewage in the middle of the floating chamber of annular, serves the effect of coarse filtration.

The inner chamber of pump dirt 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 inlet opening traverse pump dirt shell through the centre bore of pump dirt shell, lower end manufacture；The middle part of the lower end in pump dirt shell manufactures sealing neck protruding upward, the upper end sealing neck creates annular sealing surface, the inside sealing neck creates inlet opening, when the inner sealing surface sealing cap does not have with ring packing face seal, inlet opening is communicated with intake antrum by water hole, and the inner sealing surface sealing cap and the annular sealing surface sealing neck coordinate；Described annular sealing surface creates the sealing surface of the flat smooth of annular；The described cap that seals creates the circular pipe type cap body that top seals, and seals the inner top of cap and divides and create inner sealing surface, and the cylindrical parts manufacture near inner sealing surface has water hole.

Blowoff valve creates blowdown valve body and ball sealer or seals cone two parts, blowoff valve system causes 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 blowdown valve body manufactures backwater sealed end, the lower surface of backwater sealed end manufactures and creates internal taper hole in the lower end of blowdown valve body, upper surface, the big end of internal taper hole communicates with the upper end of blowoff valve, small end communicates with the lower end of blowoff valve, is provided with ball sealer or seals cone on the inner conical surface of internal taper hole.Described sealing cone creates cone or cone cylinder, and 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；Described 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.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 Hydraulic 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 blowdown valve body lower end, the sewage having pressure and form passage, or, the sealing of inner conical surface and ball sealer or sealing cone can be opened when entering, from the endoporus of blowdown valve body lower end, the sewage having pressure and form passage.

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

Created the iron core of cylinder by magnetic piston, 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 pump dirt shell can the inner chamber of canned pump dirt shell, and can slide at the interior intracavity of pump dirt 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 intake antrum, 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 limbers, the upper part of through hole creates consent, and the mid portion between limbers 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 limbers, when being arrived the lower end in pump dirt shell by magnetic piston, hold hole and can hold sealing cap and make sealing cap not collide with by magnetic piston.Having limbers holding the manufactured above of hole, the manufactured above of limbers has sealing hole, and sealing the manufactured above of hole has consent；Described limbers creates the via allowing sewage 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 limbers, 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 moved up by the sealing plate sealed in hole in magnetic piston；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.

Sealing plate creates the flat board of circle, and below flat board, one side creates sealing surface, and sealing surface coordinates with by the sealing hole on magnetic piston.

Seal hole and create shallow cylinder or the hole of shallow cone cylindricality, manufacture by rank annular with the bottom formation one-level of consent between the limbers 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.

Field controller creates and controls upper Magnet and lower magnet produces the controller of electromagnetic field, control go up Magnet and lower magnet produce time of electromagnetic field and produce the time length of electromagnetic field and produce electromagnetic field every time after to the interval time producing electromagnetic field for the second time again.

Upper Magnet and lower magnet create the solenoid that can produce electromagnetic field.

Described 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.

Slag filter causes the filter of the dust in filter sewage and impurity, and the upper end of Slag filter manufactures has manufacture on apopore, vertical plane or curved surface to have water inlet, and the inside of Slag filter is provided with filter element or drainage screen.

Inlet opening create sewage enter pump dirt shell inner chamber through via, manufacture in the centre sealing neck；Manufacturing in the upper end of the inlet opening sealed in neck and have annular sealing surface, when being fitted without sealing cap on the annular sealing surface sealing neck, intake antrum communicates with inlet opening.

In order to ensure blowdown high efficiency energy saving pump can normal operation, control circuit has electronic remote controller, adopts electronic remote controller to control being switched on and off of power-on circuit of field controller；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 power-on circuit of field controller.

In order to ensure that protective cover can be protected the coil of upper Magnet and lower magnet without damage and keeps the shape of protective cover, the interior intracavity manufacture at protective cover has the skeleton of support.

Not having mud and mud to ensure to enter in the sewage in sewage pump, the lower end in the floating chamber of annular makes water inlet maintain a certain distance with the bottom for the treatment of tank or the bottom of detention tank lower than the water inlet of Slag filter.

Keeping shape to ensure the floating chamber of annular can produce enough buoyancy and be not easy deformation, the interior intracavity manufacture in the floating chamber of annular has the skeleton of support.

In order to enable to be subject to the sewage in the intake antrum in magnetic piston driving pump dirt shell to enter in extrusion chamber, the electromagnetic field that lower magnet produces is adopted to be moved down, by magnetic piston, the power sewage in intake antrum being clamp-oned extrusion chamber as pulling.

Magnet and lower magnet on being provided with in protective cover, upper Magnet is fixed on the upper part outside pump dirt shell, and lower magnet is fixed on the lower part outside pump dirt shell, and protective cover is fixed on the upper Magnet of outside protection of pump dirt shell and the coil of lower magnet；Below the outside of protective cover, one side is fixed with the floating chamber of annular, and the lower end in the floating chamber of annular is lower than the lower end of the Slag filter being fixed on pump dirt shell lower end.In connection, the circuit of Magnet and lower magnet is connected with the circuit of field controller; the circuit of field controller is connected with electronic remote controller; electronic remote controller is connected with insulated electric conductor; insulated electric conductor is connected with teacher position key switch, and the electronic signal receptor of field controller, electronic remote controller and electronic remote controller is arranged in protective cover；Or, in connection, the circuit of Magnet and lower magnet is connected with the circuit of field controller, and the circuit of field controller is connected with insulated electric conductor, and insulated electric conductor is connected with teacher position key switch, and field controller is arranged in protective cover.

Be provided with in pump dirt shell sealing cap, by magnetic piston, sealing plate, fixing plug, the interior intracavity being arranged on pump dirt shell by magnetic piston can slide up and down；In by the sealing hole below the consent 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 be closed when coordinating with the annular sealing surface sealing hole and seal by the passage entering sewage on magnetic piston, and the sealing surface below sealing plate and the annular sealing surface sealing hole can be opened by the passage entering sewage on magnetic piston when separating；Being cased with sealing cap on the periphery sealing neck of the lower end in pump dirt shell, seal cap and can slide up and down on the periphery sealing neck, when sealing cap is in the accommodation hole upwards caved in the lower end by magnetic piston, sealing cap with holding hole has gap；The inner sealing surface sealed in cap coordinates with the annular sealing surface sealing neck end and can seal or open the passage entering sewage in entrance pump dirt shell；During by magnetic piston stroking upward, the lumen portion by the lower sections of pump dirt shell of magnetic piston is intake antrum；During by magnetic descent of piston, the lumen portion by the pump dirt shell of magnetic piston upper part is extrusion chamber.

Being provided with Slag filter at the inlet opening place of the lower end of pump dirt shell, the apopore of Slag filter communicates with the inlet opening of pump dirt shell；Being provided with blowoff valve in the upper end of pump dirt shell, the lower part of blowoff valve is fixed in the centre bore of the overlying one end of pump dirt shell；The upper end of blowoff valve is exposed the part of the upper surface of pump dirt shell and is connected with the pipeline of conveying sewage by flexible pipe or telescoping tube.

The compact conformation of blowdown high efficiency energy saving pump of the present invention, vibrate little, utilization rate of electrical is high, powerful, the efficiency pumping sewage is high, is suitable in treatment tank pump drainage sewage and pump drainage sewage in detention tank；Swim in during pump drainage sewage on oilysewage surface, can automatically raise with the rising of oilysewage surface or reduction or reduce, mud and mud bottom treatment tank or bottom detention tank can not enter in sewage pump, floating thing on oilysewage surface can not enter in dredge pump, make dredge pump be not easy blocked, and extend the service life of dredge pump；When carrying the outlet of pipeline of sewage lower than the inlet opening of pump water hull lower end, it also is able to self-flowing pastefill sewage after closing power supply, has saved electric energy；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 of blowdown high efficiency energy saving pump.

Fig. 3 is the structural representation by magnetic piston.

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

Shown in figure: protective cover 1, the floating chamber 2 of annular, Slag filter 3, pump dirt shell 4, blowdown valve body 5, lower magnet 6, by magnetic piston 7, ball sealer 8 or seal cone 8, water inlet 9, fixing plug 10, seal cap 11, water hole 12, upper Magnet 13, sealing plate 14, hold hole 15, limbers 16, seal hole 17, consent 18, annular sealing surface 19.

Detailed description of the invention

Blowdown high efficiency energy saving pump of the present invention mainly include on protective cover 1, the floating chamber 2 of annular Magnet 13, lower magnet 6, pump dirt shell 4, inlet opening, ball sealer 8 or seal cone 8, sealing plate 14, seal cap 11, by magnetic piston 7, fixing plug 10, internal taper hole, limbers 16, blowoff valve, Slag filter 3, field controller, electronic remote controller；Or including Magnet 13, lower magnet 6, pump dirt shell 4, inlet opening, ball sealer 8 on protective cover 1, the floating chamber 2 of annular or seal cone 8, sealing plate 14, seal cap 11, by magnetic piston 7, fixing plug 10, internal taper hole, limbers 16, blowoff valve, Slag filter 3, field controller.

Being provided with Magnet 13 and lower magnet 6 in protective cover 1, upper Magnet 13 is fixed on the upper part outside pump dirt shell 4, and lower magnet 6 is fixed on the lower part outside pump dirt shell 4, and protective cover 1 is fixed on the upper Magnet 13 of outside protection of pump dirt shell 4 and the coil of lower magnet 6；Below the outside of protective cover 1, one side is fixed with the floating chamber 2 of annular, and the lower end in the floating chamber 2 of annular is lower than the lower end of the Slag filter 3 being fixed on pump dirt shell 4 lower end.

In connection, the circuit of Magnet 13 and lower magnet 6 is connected with the circuit of field controller; the circuit of field controller is connected with electronic remote controller; electronic remote controller is connected with insulated electric conductor; insulated electric conductor is connected with teacher position key switch, and the electronic signal receptor of field controller, electronic remote controller and electronic remote controller is arranged in protective cover 1；Or, in connection, the circuit of Magnet 13 and lower magnet 6 is connected with the circuit of field controller, and the circuit of field controller is connected with insulated electric conductor, and insulated electric conductor is connected with teacher position key switch, and field controller is arranged in protective cover 1.

Sealing plate 14 be installed in pump dirt shell 4, seal cap 11, by magnetic piston 7, ball sealer 8 or seal cone 8, fixing plug 10, the interior intracavity being arranged on pump dirt shell 4 by magnetic piston 7 can slide up and down；In by the sealing hole 17 below the consent 18 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 be closed when coordinating with the annular sealing surface 19 sealing hole 17 and seal by the passage entering sewage on magnetic piston 7, and sealing plate 14 sealing surface below can be opened by the passage entering sewage on magnetic piston 7 when separating with the annular sealing surface 19 sealing hole 17；Being cased with sealing cap 11 on the periphery sealing neck of the lower end in pump dirt shell 4, seal cap 11 and can slide up and down on the periphery sealing neck, when sealing cap 11 is in the accommodation hole 15 upwards caved in the lower end by magnetic piston 7, sealing cap 11 with holding hole 15 has gap；The inner sealing surface sealed in cap 11 coordinates with the annular sealing surface 19 sealing neck end and can seal or open the passage entering sewage in entrance pump dirt shell 4；By magnetic piston 7 up time, the lumen portion by the lower sections of pump dirt shell 4 of magnetic piston 7 is intake antrum；By magnetic piston 7 descending time, the lumen portion by the pump dirt shell 4 of magnetic piston 7 upper part is extrusion chamber.Be provided with Slag filter 3 at the inlet opening place of the lower end of pump dirt shell 4, the apopore of Slag filter 3 communicates with the inlet opening of pump dirt shell；Being provided with blowoff valve in the upper end of pump dirt shell 4, the lower part of blowoff valve is fixed in the centre bore of the overlying one end of pump dirt shell 4；The upper end of blowoff valve is exposed the part of the upper surface of pump dirt shell 4 and is connected with the pipeline of conveying sewage by flexible pipe or telescoping tube.

During fabrication, protective cover 1 adopts the material manufacture of a kind of type in metal, plastics, nylon, fiberglass or several types；The floating chamber 2 of annular adopts the material manufacture of a kind of type in metal, plastics, nylon, fiberglass, rubber or several types, when the floating chamber 2 of annular when adopting elastomeric material to manufacture or after manufacture shaping is soft-shell, inflates first in use the inner chamber that annular floats chamber 2 and make it bubble through the water column；Blowdown valve body 5 and pump dirt shell 4 adopt 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 cap 11 and sealing plate 14 adopt the material manufacture of a kind of type in metal, plastics, nylon and fiberglass or several types；The material being adopted the hard to bear magnetic field suction of energy by magnetic piston 7 manufactures；Fixing plug 10 adopts the material manufacture of a kind of type in metal, plastics, nylon, fiberglass, rubber or several types.

Protective cover 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, upper Magnet 13, lower magnet 6 and pump dirt shell 4 and pump dirt shell 4, or, the parts installed are installed in hollow cavity in electronic remote controller, field controller, upper Magnet 13, lower magnet 6 and pump dirt shell 4 and pump dirt shell 4；The inner of the annular housing of hollow cavity is fixed on pump dirt shell 4.

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

It is square circular or oval hollow circular cavity that the floating chamber 2 of annular creates cross section；The buoyancy that annular housing 2 produces in sewage can be supported and fixed on the total weight of the accessory of the pump dirt shell 4 above the floating chamber 2 of annular and pump dirt shell 4 inside and outside, and makes to be fixed in the water inlet 9 deep enough sewage of energy of the Slag filter 3 below the inlet opening of pump dirt shell 4 lower end；The floating chamber 2 of annular can isolate the floating thing on oilysewage surface and make floating thing not enter in the sewage in the middle of the floating chamber 2 of annular, serves the effect of coarse filtration.

The inner chamber of pump dirt 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 inlet opening traverse pump dirt shell 4 through the centre bore of pump dirt shell 4, lower end manufacture；The middle part of the lower end in pump dirt shell 4 manufactures sealing neck protruding upward, the upper end sealing neck creates annular sealing surface 19, the inside sealing neck creates inlet opening, when the inner sealing surface sealing cap 11 does not seal with annular sealing surface 19, inlet opening is communicated with intake antrum by water hole 12, and the inner sealing surface sealing cap 11 coordinates with the annular sealing surface 19 sealing neck；Described annular sealing surface 19 creates the sealing surface of the flat smooth of annular；The described cap 11 that seals creates the circular pipe type cap body that top seals, and seals the inner top of cap 11 and divides and create inner sealing surface, and the cylindrical parts manufacture near inner sealing surface has water hole 12.

Blowoff valve creates blowdown valve body 5 and ball sealer 8 or seals cone 8 two parts, blowdown 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 blowdown valve body 5 manufactures backwater sealed end, the lower surface of backwater sealed end manufactures and creates internal taper hole in the lower end of blowdown valve body 5, upper surface, the big end of internal taper hole communicates with the upper end of blowoff valve, small end communicates with the lower end of blowoff valve, is provided with ball sealer 8 or seals cone 8 on the inner conical surface of internal taper hole.Described sealing cone 8 creates cone or cone cylinder, and 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；Described 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.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 Hydraulic pressure above are more big, and ball sealer 8 or sealing cone 8 are more good with the gluing, sealing effect of inner conical surface.The sealing of inner conical surface and ball sealer 8 or sealing cone 8 can be opened when entering, from the endoporus of blowdown valve body 5 lower end, the sewage having pressure and form passage.

For the ease of the processing of pump dirt shell 4 be easy to accessory to load in pump dirt shell 4, described pump dirt shell 4 creates the assembly after segmental machining manufactures；The upper end of the cylindrical cavity body portion in pump dirt 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 pump dirt shell 4, centre bore manufactures on pump cover, inlet opening manufactures at the middle part of the main body lower end of pump dirt shell 4, and it is a composite entity that pump cover and the main body after pump dirt shell 4 are combined into after manufacturing；Or, the lower end of the cylindrical cavity body portion in pump dirt 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 pump dirt shell 4, inlet opening 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 pump dirt shell 4, pump cover and pump dirt shell 4 manufactures.

Created the iron core of cylinder by magnetic piston 7, 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 pump dirt shell 4 can the inner chamber of canned pump dirt shell 4, and can slide at the interior intracavity of pump dirt 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 intake antrum, 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 limbers 16, the upper part of through hole creates consent 18, and the mid portion between limbers 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 limbers 16, when being arrived the lower end in pump dirt shell 4 by magnetic piston 7, hold hole 15 and can hold sealing cap 11 and make sealing cap 11 not collide with by magnetic piston 7.Having limbers 16 holding the manufactured above of hole 15, the manufactured above of limbers 16 has sealing hole 17, and sealing the manufactured above of hole 17 has consent 18；Described limbers 16 creates the via allowing sewage 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 limbers 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 moved up by the sealing plate 14 sealed in hole 17 in magnetic piston 7；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.

Sealing plate 14 creates the flat board of circle, and below flat board, one side creates sealing surface, and sealing surface coordinates with by the sealing hole 17 on magnetic piston 7.

Seal hole 17 and create shallow cylinder or the hole of shallow cone cylindricality, manufacture by rank annular with the bottom formation one-level of consent 18 between the limbers 16 in magnetic piston 7 and 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.

Field controller creates and controls upper Magnet 13 and lower magnet 6 produces the controller of electromagnetic field, control go up Magnet 13 and lower magnet 6 produce time of electromagnetic field and produce the time length of electromagnetic field and produce electromagnetic field every time after to the interval time producing electromagnetic field for the second time again.

Upper Magnet 13 and lower magnet 6 create the solenoid that can produce electromagnetic field.

Described 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.

Slag filter 3 causes the filter of the dust in filter sewage and impurity, and the upper end of Slag filter 3 manufactures has manufacture on apopore, vertical plane or curved surface to have water inlet 9, and the inside of Slag filter 3 is provided with filter element or drainage screen.

Inlet opening create sewage enter pump dirt shell 4 inner chamber through via, manufacture in the centre sealing neck；Manufacturing in the upper end of the inlet opening sealed in neck and have annular sealing surface 19, when being fitted without sealing cap 11 on the annular sealing surface 19 sealing neck, intake antrum communicates with inlet opening.

In order to ensure blowdown high efficiency energy saving pump can normal operation, control circuit has electronic remote controller, adopts electronic remote controller to control being switched on and off of power-on circuit of field controller；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 power-on circuit of field controller.

In order to ensure that protective cover 1 can be protected the coil of upper Magnet 13 and lower magnet 6 without damage and keeps the shape of protective cover 1, the interior intracavity manufacture at protective cover 1 has the skeleton of support.

Not having mud and mud to ensure to enter in the sewage in sewage pump, the lower end in the floating chamber 2 of annular makes water inlet 9 maintain a certain distance with the bottom for the treatment of tank or the bottom of detention tank lower than the water inlet 9 of Slag filter 3.

Keeping shape to ensure the floating chamber 2 of annular can produce enough buoyancy and be not easy deformation, the interior intracavity manufacture in the floating chamber 2 of annular has the skeleton of support.

In order to make to be subject to magnetic piston 7 to enter in extrusion chamber by the sewage in the intake antrum in driving pump dirt shell 4, the electromagnetic field that lower magnet 6 produces is adopted to be moved down, by magnetic piston 7, the power sewage in intake antrum being clamp-oned extrusion chamber as pulling.

In intake antrum, lay in sewage, in extrusion chamber, extrude sewage and produce hydraulic pressure；When entering sewage in extrusion chamber, intake antrum communicates with extrusion chamber；When extruding sewage in extrusion chamber, intake antrum disconnects the passage entering sewage entering extrusion chamber by the sealing hole 17 in magnetic piston 7 by sealing plate 14 with being sealed.

Described blowdown high efficiency energy saving pump, in the process of pump drainage sewage, controls do not have return spring into sewage routeway with in going out the one-way check valve of sewage routeway；When intake antrum enters sewage, opened by the suction of the up generation of magnetic piston 7 and seal cap 11 and the sealing sealing neck and open the passage into sewage, be arranged on by 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 sewage closed in entrance extrusion chamber seals；When extrusion chamber enters sewage, it is arranged on the ball sealer 8 on the internal taper hole of blowoff 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 blowoff valve and seal, descending and make to produce in intake antrum pressure and promote and be arranged on by the up passage entering sewage then opened in entrance extrusion chamber of the sealing plate 14 sealed on hole 17 in magnetic piston 7 by magnetic piston 7；When extrusion chamber effluent sewerage, under the effect of discharge pressure, promote the ball sealer 8 on the internal taper hole of blowoff valve or to seal cone 8 up and open the passage of the water outlet of blowoff valve, be arranged on and utilized the gravity of self to make sealing plate 14 decline return automatically close and be sealed by the passage entering sewage on magnetic piston 7 by the sealing plate 14 sealed on hole 17 in magnetic piston 7.

When pump drainage sewage, when carrying the outlet of pipeline of sewage lower than the water inlet of Slag filter being fixed on pump dirt shell lower end, when the head of the sewage exported by pump water arrives the outlet of the pipeline of conveying sewage, under siphonage, it is arranged on the ball sealer in blowoff valve or sealing cone is pulled and the up passage opening water outlet that separates with internal taper hole by the suction of water outlet, the passage of the water inlet entering extrusion chamber opened by the sealing plate sealed on hole being arranged in ferrite core piston under the pulling going out water suction force, it is arranged on the cap that seals sealing on neck under the pulling going out water suction force, opens the passage of the water inlet entering intake antrum, the passage of whole pump water has reformed into the passage of gravity flow, just can self-flowing pastefill sewage after closing power supply.

During use, being placed in the sewage for the treatment of tank and in the sewage of detention tank by floating for the annular of dredge pump chamber, the water inlet of Slag filter gos deep in sewage；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 upper Magnet and lower magnet and is produced electromagnetic field；Having remote control unit, press the starting button of remote controller switch, electronic remote controller receives the power-on circuit connecting field controller after starting signal, and field controller is connected the power-on circuit of the upper Magnet 13 of circulation connection and lower magnet 6 and produced electromagnetic field；When upper Magnet 13 produces electromagnetic field, the captivation of electromagnetic field pulls and is moved up by magnetic piston 7, when being started up by magnetic piston 7, be arranged on by the sealing plate 14 sealed on hole 17 in magnetic piston 7 under the effect of the gravity of self descending and close sewage and enter the passage entering sewage of extrusion chamber；By magnetic piston 7 up time, the sewage in extrusion chamber is made to create pressure by the up of magnetic piston 7, there is the sewage of pressure to promote ball sealer 8 from the internal taper hole that the endoporus of the sealed end of blowoff valve lower end enters in blowoff valve or to seal cone 8 up and open the sealing passage of blowoff valve, make the sewage in extrusion chamber enter in blowdown pipe network after blowoff valve or in the pipeline of conveying sewage；By magnetic piston 7 when up, also made to create in intake antrum pull of vacuum by magnetic piston 7, pull of vacuum is inhaled movable sealing cap 11 and is opened and make sealing cap 11 and the annular sealing surface 19 points sealing neck separate, and sewage enters from the water inlet 9 of Slag filter 3 after filtering Slag filter 3 and to enter inlet opening, inlet opening from apopore again and enter then through the water hole 12 sealing cap 11 and be subject in the intake antrum below magnetic piston 7 in pump dirt shell 4.

When being moved into place by magnetic piston 7 is up, the power-on circuit of the upper Magnet 13 of field controller disconnection is followed by the power-on circuit of catharsis Magnet 6, and the electromagnetic field of upper Magnet 13 disappears, and the electromagnetic field that lower magnet 6 produces pulls by magnetic piston 7 descending；When being started descending by magnetic piston 7, be arranged in pump dirt shell 4 lower end seal on neck seal cap 11 under the effect of self gravitation descending return and close the passage entering sewage that enters intake antrum, ball sealer 8 in blowoff valve or seal cone 8 inner conical surface of descending return and sealed waste discharge valve under the effect of the gravity of self, has cut off the exhalant canal of extrusion chamber；By magnetic piston 7 when descending, it is forced into the sewage in intake antrum by magnetic piston 7 and makes sewage produce internal pressure, have the sewage of pressure from by the limbers 16 in magnetic piston 7 enter into by 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 behind the limbers 16 in fixing plug 10.

By magnetic piston 7 under the gravitation of the electromagnetic field that lower magnet 6 produces pulls descending put in place time, it is arranged on and is shut by 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 and make sewage not return intake antrum, now, field controller is connected again the power-on circuit of Magnet and is again produced electromagnetic field and pull by magnetic piston 7 up；What so circulate is switched on and off circuit, make the electromagnetic field that Magnet 13 produces pull up by magnetic piston 7 and to allow the electromagnetic field that lower magnet 6 produces pull by magnetic piston 7 descending, constantly from treatment tank or sewage detention tank pumps out sewage and is transported in blowdown pipe network or in the pipeline of conveying sewage, and the sewage extracted there is no mud and mud；In the process of pump drainage sewage, the floating chamber of annular changes automatically with the change of the water surface.

Claims (6)

1. a blowdown high efficiency energy saving pump, it is characterised in that: described blowdown high efficiency energy saving pump include protective cover, the floating chamber of annular, upper Magnet, lower magnet, pump dirt shell, inlet opening, sealing cone, sealing plate, sealing cap, by magnetic piston, fixing plug, internal taper hole, limbers, blowoff valve, Slag filter, field controller；

Magnet and lower magnet on being provided with in protective cover, upper Magnet is fixed on the upper part outside pump dirt shell, and lower magnet is fixed on the lower part outside pump dirt shell, and protective cover is fixed on the upper Magnet of outside protection of pump dirt shell and the coil of lower magnet；Below the outside of protective cover, one side is fixed with the floating chamber of annular, and the lower end in the floating chamber of annular is lower than the lower end of the Slag filter being fixed on pump dirt shell lower end；

In connection, the circuit of Magnet and lower magnet is connected with the circuit of field controller, and the circuit of field controller is connected with insulated electric conductor, and insulated electric conductor is connected with teacher position key switch, and field controller is arranged in protective cover；

Be provided with in pump dirt shell sealing plate, seal cap, by magnetic piston, seal cone, fixing plug, the interior intracavity being arranged on pump dirt shell by magnetic piston can slide up and down；In by the sealing hole below the consent 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 be closed when coordinating with the annular sealing surface sealing hole and seal by the passage entering sewage on magnetic piston, and the sealing surface below sealing plate and the annular sealing surface sealing hole can be opened by the passage entering sewage on magnetic piston when separating；Being cased with sealing cap on the periphery sealing neck of the lower end in pump dirt shell, seal cap and can slide up and down on the periphery sealing neck, when sealing cap is in the accommodation hole upwards caved in the lower end by magnetic piston, sealing cap with holding hole has gap；The inner sealing surface sealed in cap coordinates with the annular sealing surface sealing neck end and can seal or open the passage entering sewage in entrance pump dirt shell；During by magnetic piston stroking upward, the lumen portion by the lower sections of pump dirt shell of magnetic piston is intake antrum；During by magnetic descent of piston, the lumen portion by the pump dirt shell of magnetic piston upper part is extrusion chamber；Being provided with Slag filter at the inlet opening place of the lower end of pump dirt shell, the apopore of Slag filter communicates with the inlet opening of pump dirt shell；Being provided with blowoff valve in the upper end of pump dirt shell, the lower part of blowoff valve is fixed in the centre bore of the overlying one end of pump dirt shell；The upper end of blowoff valve is exposed the part of the upper surface of pump dirt shell and is connected with the pipeline of conveying sewage by flexible pipe or telescoping tube；

Described protective cover is the hollow cavity of annular, and hollow cavity has string holes, is provided with in field controller, upper Magnet, lower magnet and pump dirt shell and pump dirt shell the parts installed in hollow cavity, 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 pump dirt shell；

For the ease of the processing of protective cover be easy to accessory to load in protective cover, described protective cover is the assembly after segmentation, and after the annular position of protective cover is divided into two parts, recombinant is together；

The floating chamber of described annular is cross section is square circular or oval hollow circular cavity；The buoyancy that annular housing produces in sewage can be supported and fixed on the total weight of the accessory of the pump dirt shell above the floating chamber of annular and pump dirt shell inside and outside, and makes to be fixed in the water inlet deep enough sewage of energy of the Slag filter below the inlet opening of pump dirt shell lower end；The floating chamber of annular can isolate the floating thing on oilysewage surface and make floating thing not enter in the sewage in the middle of the floating chamber of annular, serves the effect of coarse filtration；

The inner chamber of described pump dirt 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 inlet opening traverse pump dirt shell through pump dirt shell, lower end；There is sealing neck protruding upward at the middle part of the lower end in pump dirt shell, the upper end sealing neck is annular sealing surface, the inside sealing neck is inlet opening, when the inner sealing surface sealing cap does not have with ring packing face seal, inlet opening is communicated with intake antrum by water hole, and the inner sealing surface sealing cap and the annular sealing surface sealing neck coordinate；Described annular sealing surface is the sealing surface of the flat smooth of annular, and sealing surface is for coordinating with the inner sealing surface sealed in cap；Described sealing cap is the circular pipe type cap body that top seals, and it is inner sealing surface that the inner top of sealing cap divides, and the cylindrical parts near inner sealing surface has water hole；

Described blowoff valve includes blowdown valve body and seals cone, and blowdown 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 backwater sealed end the lower end of blowdown valve body, the lower surface of backwater sealed end in the lower end of blowdown valve body, upper surface be internal taper hole, the big end of internal taper hole communicates with the upper end of blowoff valve, small end communicates with the lower end of blowoff valve, is provided with sealing cone on the inner conical surface of internal taper hole；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 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 Hydraulic 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 blowdown valve body lower end, the sewage having pressure and form passage with sealing the sealing bored, or, inner conical surface can be opened when entering, from the endoporus of blowdown valve body lower end, the sewage having pressure and form passage with sealing the sealing bored；

For the ease of the processing of pump dirt shell be easy to accessory to load in pump dirt shell, described pump dirt shell is the assembly after segmentation；The upper end of the cylindrical cavity body portion in pump dirt shell is divided into two-stage nitration, the upper part of segmentation place is pump cover, lower part is the main body of pump dirt shell, centre bore is on pump cover, and inlet opening is at the middle part of the main body lower end of pump dirt shell, and the body combination of pump cover and pump dirt shell becomes a composite entity；Or, the lower end of the cylindrical cavity body portion in pump dirt shell is divided into two-stage nitration, the lower part of segmentation place is pump cover, upper part is the main body of pump dirt shell, inlet opening is at the middle part of pump cover, centre bore is at the middle part of the upper end of the main body of pump dirt shell, and the body combination of pump cover and pump dirt shell becomes a composite entity；

Described is the iron core of cylinder by magnetic piston, 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 pump dirt shell can the inner chamber of canned pump dirt shell, and can slide at the interior intracavity of pump dirt 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 intake antrum, 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 limbers, the upper part of through hole is consent, and the mid portion between limbers 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 limbers, upwards caves in, when being arrived the lower end in pump dirt shell by magnetic piston, hold hole and be used for holding restriction locking cap and making restriction locking cap not collide with by magnetic piston；Being limbers holding above hole, the above of limbers is to seal hole, and sealing the above of hole is consent；Described limbers is the via allowing sewage 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 that moved up by the sealing plate sealed in hole in magnetic piston, centre have the plug of limbers, 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, by rank annular with the bottom formation one-level of consent between the limbers in magnetic piston and consent, 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 plate is circular flat board, and below flat board, one side is sealing surface, and sealing surface coordinates with by the sealing hole on magnetic piston；

Described field controller is to control upper Magnet and lower magnet produces the controller of electromagnetic field, control go up Magnet and lower magnet produce time of electromagnetic field and produce the time length of electromagnetic field and produce electromagnetic field every time after to the interval time producing electromagnetic field for the second time again；

Described upper Magnet and lower magnet are able to produce the solenoid of electromagnetic field；

Described Slag filter is the filter of the dust in filter sewage and impurity, and the upper end of Slag filter has on apopore, vertical plane or curved surface and has water inlet, and the inside of Slag filter is provided with filter element or drainage screen；Slag filter can make the floating thing in sewage not enter in dredge pump, serves the effect of particulate matter in fine filtering sewage；

Described inlet opening be sewage enter the inner chamber of pump dirt shell through water hole, in the centre sealing neck, inlet opening communicates with intake antrum；

In intake antrum, lay in sewage, in extrusion chamber, extrude sewage and produce hydraulic pressure；When entering sewage in extrusion chamber, intake antrum communicates with extrusion chamber；When extruding sewage in extrusion chamber, intake antrum disconnects the passage entering sewage entering extrusion chamber by the sealing hole in magnetic piston by sealing plate with being sealed；

Described blowdown high efficiency energy saving pump, in the process of pump drainage sewage, controls do not have return spring into sewage routeway with in going out the one-way check valve of sewage routeway；When intake antrum enters sewage, the suction produced by magnetic piston stroking upward is opened and is sealed cap and open the passage into sewage with sealing the sealing of neck, be arranged on by the sealing plate sealed on hole in magnetic piston under the effect of self gravitation automatic decline return and the passage entering sewage closed in entrance extrusion chamber seals；When extrusion chamber enters sewage, the cone that seals being arranged on the internal taper hole of blowoff valve utilizes the gravity of self to make sealing bore automatic decline return and closes the passage of the discharge on blowoff valve and seal, and is made to produce in intake antrum pressure by magnetic descent of piston and promotes to be arranged on and then opened, by the sealing plate sealed on hole in magnetic piston is up, the passage entering sewage entered in extrusion chamber；When extrusion chamber effluent sewerage, promote under the effect of discharge pressure on the internal taper hole of blowoff valve to seal cone up and open the passage of the water outlet of blowoff valve, be arranged on and utilized the gravity of self to make sealing plate decline return automatically close and be sealed by the passage entering sewage on magnetic piston by the sealing plate sealed on hole in magnetic piston；

When pump drainage sewage, when carrying the outlet of pipeline of sewage lower than the water inlet of Slag filter being fixed on pump dirt shell lower end, when the head of the sewage exported by pump water arrives the outlet of the pipeline of conveying sewage, under siphonage, it is arranged on the ball sealer in blowoff valve or sealing cone is pulled and the up passage opening water outlet that separates with internal taper hole by the suction of water outlet, the passage of the water inlet entering extrusion chamber opened by the sealing plate sealed on hole being arranged in ferrite core piston under the pulling going out water suction force, it is arranged on the cap that seals sealing on neck under the pulling going out water suction force, opens the passage of the water inlet entering intake antrum, the passage of whole pump water has reformed into the passage of gravity flow, just can self-flowing pastefill sewage after closing power supply；

During use, being placed in the sewage for the treatment of tank and in the sewage of detention tank by floating for the annular of dredge pump chamber, the water inlet of Slag filter gos deep in sewage；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 the upper Magnet of circulation connection and lower magnet and is produced electromagnetic field；When upper Magnet produces electromagnetic field, the captivation of electromagnetic field pulls and is moved up by magnetic piston, when being started up by magnetic piston, be arranged on by the sealing plate sealed on hole in magnetic piston under the effect of the gravity of self descending and close sewage and enter the passage entering sewage of extrusion chamber；When by magnetic piston stroking upward, the sewage in extrusion chamber is made to create pressure by the up of magnetic piston, having the sewage of pressure to promote from the internal taper hole that the endoporus of the sealed end of blowoff valve lower end enters in blowoff valve, to seal cone up and open the sealing passage of blowoff valve, makes the sewage in extrusion chamber enter in blowdown pipe network after blowoff valve or in the pipeline of conveying sewage；By magnetic piston when up, also made to create in intake antrum pull of vacuum by magnetic piston, pull of vacuum is inhaled movable sealing cap and is opened and make sealing cap and the annular sealing surface sealing neck separate, and sewage enters from the water inlet of Slag filter after filtering Slag filter and to enter inlet opening, inlet opening then through being subject in the intake antrum below magnetic piston in the water hole entrance pump dirt shell sealed cap from apopore again；

When being moved into place by magnetic piston stroking upward, the power-on circuit of the upper Magnet of field controller disconnection is followed by the power-on circuit of catharsis Magnet, and the electromagnetic field of upper Magnet disappears, and the electromagnetic field that lower magnet produces pulls by magnetic descent of piston；When being started descending by magnetic piston, be arranged in pump dirt shell lower end seal on neck seal cap under the effect of self gravitation descending return and close the passage entering sewage that enters intake antrum, the inner conical surface of descending return under the effect of the gravity of self and sealed waste discharge valve is bored in sealing in blowoff valve, has cut off the exhalant canal of extrusion chamber；By magnetic piston when descending, it is forced into the sewage in intake antrum by magnetic piston and makes sewage produce internal pressure, there is the sewage of pressure to be continued up after hole is upwards washed sealing plate open and made sealing plate displacement with the sealing sealing hole by sealing in magnetic piston from being entered into by the limbers in magnetic piston, enter in extrusion chamber behind the limbers in fixing plug；

By magnetic piston under the gravitation of the electromagnetic field that lower magnet produces pulls descending put in place time, it is arranged on and is shut by descending the sealing hole under the effect of the gravity of self of the sealing plate sealed on hole in magnetic piston and make sewage not return intake antrum, now, field controller is connected again the power-on circuit of Magnet and is again produced electromagnetic field and pull by magnetic piston stroking upward；What so circulate is switched on and off circuit, make the electromagnetic field that Magnet produces pull and pulled by magnetic descent of piston by magnetic piston stroking upward and the electromagnetic field allowing lower magnet produce, constantly from treatment tank or sewage detention tank pumps out sewage and is transported in blowdown pipe network or in the pipeline of conveying sewage, and the sewage extracted there is no mud and mud；In the process of pump drainage sewage, the floating chamber of annular changes automatically with the change of the water surface.

2. blowdown high efficiency energy saving pump according to claim 1, it is characterised in that: in order to ensure that protective cover can be protected the coil of upper Magnet and lower magnet without damage and keeps the shape of protective cover, the interior intracavity manufacture at protective cover has the skeleton of support；

Not having mud and mud to ensure to enter in the sewage in sewage pump, the lower end in the floating chamber of annular makes water inlet maintain a certain distance with the bottom for the treatment of tank or the bottom of detention tank lower than the water inlet of Slag filter；

Keeping shape to ensure the floating chamber of annular can produce enough buoyancy and be not easy deformation, the interior intracavity manufacture in the floating chamber of annular has the skeleton of support.

3. blowdown high efficiency energy saving pump according to claim 1, it is characterized in that: in order to enable to be subject to the sewage in the intake antrum in magnetic piston driving pump dirt shell to enter in extrusion chamber, adopt the electromagnetic field that lower magnet produces to be moved down, by magnetic piston, the power sewage in intake antrum being clamp-oned extrusion chamber as pulling.

4. blowdown high efficiency energy saving pump according to claim 1, it is characterised in that: adopt the contactor being connected with insulated electric conductor to control being switched on and off of the power-on circuit of field controller.

5. blowdown high efficiency energy saving pump according to claim 1, it is characterized in that: the compact conformation of described blowdown high efficiency energy saving pump, vibrate little, utilization rate of electrical is high, powerful, the efficiency pumping sewage is high, is suitable in treatment tank pump drainage sewage and pump drainage sewage in detention tank；Swim in during pump drainage sewage on oilysewage surface, can automatically raise with the rising of oilysewage surface or reduction or reduce, mud and mud bottom treatment tank or bottom detention tank can not enter in sewage pump, floating thing on oilysewage surface can not enter in dredge pump, make dredge pump be not easy blocked, and extend the service life of dredge pump；When carrying the outlet of pipeline of sewage lower than the inlet opening of pump water hull lower end, it also is able to self-flowing pastefill sewage after closing power supply, has saved electric energy；The market prospect of industrialization is good, commercial value is high, manufactures and uses all very convenient.

6. the manufacture method of a blowdown high efficiency energy saving pump, it is characterised in that: during fabrication, protective cover 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, upper Magnet, lower magnet and pump dirt shell and pump dirt shell the parts installed in hollow cavity, the inner of the annular housing of hollow cavity is fixed on pump dirt shell；

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

It is square circular or oval hollow circular cavity that the floating chamber of annular creates cross section；The buoyancy that annular housing produces in sewage can be supported and fixed on the total weight of the accessory of the pump dirt shell above the floating chamber of annular and pump dirt shell inside and outside, and makes to be fixed in the water inlet deep enough sewage of energy of the Slag filter below the inlet opening of pump dirt shell lower end；The floating chamber of annular can isolate the floating thing on oilysewage surface and make floating thing not enter in the sewage in the middle of the floating chamber of annular, serves the effect of coarse filtration；

The inner chamber of pump dirt 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 inlet opening traverse pump dirt shell through the centre bore of pump dirt shell, lower end manufacture；The middle part of the lower end in pump dirt shell manufactures sealing neck protruding upward, the upper end sealing neck creates annular sealing surface, the inside sealing neck creates inlet opening, when the inner sealing surface sealing cap does not have with ring packing face seal, inlet opening is communicated with intake antrum by water hole, and the inner sealing surface sealing cap and the annular sealing surface sealing neck coordinate；Described annular sealing surface creates the sealing surface of the flat smooth of annular；The described cap that seals creates the circular pipe type cap body that top seals, and seals the inner top of cap and divides and create inner sealing surface, and the cylindrical parts manufacture near inner sealing surface has water hole；

Blowoff valve creates blowdown valve body and seals cone two parts, and blowoff valve system causes 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 blowdown valve body manufactures backwater sealed end, the lower surface of backwater sealed end manufactures and creates internal taper hole in the lower end of blowdown valve body, upper surface, the big end of internal taper hole communicates with the upper end of blowoff valve, small end communicates with the lower end of blowoff valve, is provided with sealing cone on the inner conical surface of internal taper hole；Described sealing cone creates cone or cone cylinder, and 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；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 Hydraulic 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 blowdown valve body lower end, the sewage having pressure and form passage with sealing the sealing bored, or, inner conical surface can be opened when entering, from the endoporus of blowdown valve body lower end, the sewage having pressure and form passage with sealing the sealing bored；

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

Created the iron core of cylinder by magnetic piston, 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 pump dirt shell can the inner chamber of canned pump dirt shell, and can slide at the interior intracavity of pump dirt 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 intake antrum, 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 limbers, the upper part of through hole creates consent, and the mid portion between limbers 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 limbers, when being arrived the lower end in pump dirt shell by magnetic piston, hold hole and can hold sealing cap and make sealing cap not collide with by magnetic piston；Having limbers holding the manufactured above of hole, the manufactured above of limbers has sealing hole, and sealing the manufactured above of hole has consent；Described limbers creates the via allowing sewage 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 limbers, 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 moved up by the sealing plate sealed in hole in magnetic piston；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；

Sealing plate creates the flat board of circle, and below flat board, one side creates sealing surface, and sealing surface coordinates with by the sealing hole on magnetic piston；

Seal hole and create shallow cylinder or the hole of shallow cone cylindricality, manufacture by rank annular with the bottom formation one-level of consent between the limbers 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；

Field controller creates and controls upper Magnet and lower magnet produces the controller of electromagnetic field, control go up Magnet and lower magnet produce time of electromagnetic field and produce the time length of electromagnetic field and produce electromagnetic field every time after to the interval time producing electromagnetic field for the second time again；

Upper Magnet and lower magnet create the solenoid that can produce electromagnetic field；

Slag filter causes the filter of the dust in filter sewage and impurity, and the upper end of Slag filter manufactures has manufacture on apopore, vertical plane or curved surface to have water inlet, and the inside of Slag filter is provided with filter element or drainage screen；

Inlet opening create sewage enter pump dirt shell inner chamber through via, manufacture in the centre sealing neck；Manufacturing in the upper end of the inlet opening sealed in neck and have annular sealing surface, when being fitted without sealing cap on the annular sealing surface sealing neck, intake antrum communicates with inlet opening；

In order to ensure that protective cover can be protected the coil of upper Magnet and lower magnet without damage and keeps the shape of protective cover, the interior intracavity manufacture at protective cover has the skeleton of support；

Not having mud and mud to ensure to enter in the sewage in sewage pump, the lower end in the floating chamber of annular makes water inlet maintain a certain distance with the bottom for the treatment of tank or the bottom of detention tank lower than the water inlet of Slag filter；

Keeping shape to ensure the floating chamber of annular can produce enough buoyancy and be not easy deformation, the interior intracavity manufacture in the floating chamber of annular has the skeleton of support；

In order to enable to be subject to the sewage in the intake antrum in magnetic piston driving pump dirt shell to enter in extrusion chamber, the electromagnetic field that lower magnet produces is adopted to be moved down, by magnetic piston, the power sewage in intake antrum being clamp-oned extrusion chamber as pulling；

Magnet and lower magnet on being provided with in protective cover, upper Magnet is fixed on the upper part outside pump dirt shell, and lower magnet is fixed on the lower part outside pump dirt shell, and protective cover is fixed on the upper Magnet of outside protection of pump dirt shell and the coil of lower magnet；Below the outside of protective cover, one side is fixed with the floating chamber of annular, and the lower end in the floating chamber of annular is lower than the lower end of the Slag filter being fixed on pump dirt shell lower end；In connection, the circuit of Magnet and lower magnet is connected with the circuit of field controller, and the circuit of field controller is connected with insulated electric conductor, and insulated electric conductor is connected with teacher position key switch, and field controller is arranged in protective cover；Be provided with in pump dirt shell sealing cap, by magnetic piston, sealing plate, fixing plug, the interior intracavity being arranged on pump dirt shell by magnetic piston can slide up and down；In by the sealing hole below the consent 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 be closed when coordinating with the annular sealing surface sealing hole and seal by the passage entering sewage on magnetic piston, and the sealing surface below sealing plate and the annular sealing surface sealing hole can be opened by the passage entering sewage on magnetic piston when separating；Being cased with sealing cap on the periphery sealing neck of the lower end in pump dirt shell, seal cap and can slide up and down on the periphery sealing neck, when sealing cap is in the accommodation hole upwards caved in the lower end by magnetic piston, sealing cap with holding hole has gap；The inner sealing surface sealed in cap coordinates with the annular sealing surface sealing neck end and can seal or open the passage entering sewage in entrance pump dirt shell；During by magnetic piston stroking upward, the lumen portion by the lower sections of pump dirt shell of magnetic piston is intake antrum；During by magnetic descent of piston, the lumen portion by the pump dirt shell of magnetic piston upper part is extrusion chamber；Being provided with Slag filter at the inlet opening place of the lower end of pump dirt shell, the apopore of Slag filter communicates with the inlet opening of pump dirt shell；Being provided with blowoff valve in the upper end of pump dirt shell, the lower part of blowoff valve is fixed in the centre bore of the overlying one end of pump dirt shell；The upper end of blowoff valve is exposed the part of the upper surface of pump dirt shell and is connected with the pipeline of conveying sewage by flexible pipe or telescoping tube.