CN209687694U

CN209687694U - Pneumatic fluid pump

Info

Publication number: CN209687694U
Application number: CN201920214083.2U
Authority: CN
Inventors: 田官生; 曹洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-20
Filing date: 2019-02-20
Publication date: 2019-11-26
Anticipated expiration: 2029-02-20

Abstract

The utility model relates to a kind of pneumatic fluid pumps, including gas storage storehouse, surge bunker, multiple working bins with working bin air bag, accumulation of energy storehouse, rotary valve body, air pump and decelerating motor with accumulation of energy storehouse air bag, it is able to achieve the fluid pressurization output for having specific demand occasion to fluid delivery, destruction of the corrosive fluid to pump itself components, mechanical sealing member can effectively be prevented, the energy-saving and environmental protection under underload, gap supply operating condition, mechanical efficiency is high, while having the characteristics that demolition and maintenance, easy to clean.

Description

Pneumatic fluid pump

Technical field

The utility model relates to a novel gas-pressure fluid pumps, can be used for industrial and agricultural production, can also be applied to daily life In have the occasion of specific demand to fluid delivery, be particularly suitable for substituting traditional water pump in semi-high-rise housing cell two carried out to cell Secondary water supply and each floor gap have the fire hydrant water of different pressures demand, apply also for chemical industry, printing and dyeing class enterprise to acid, alkali, The transhipment of salt and strong oxidizing property highly corrosive fluid.

Background technique

Fluid delivery has the demand that is extremely widely applied in industrial and agricultural production, daily life, and pump exactly turns for fluid It transports and gives birth to, conventional pump is mostly that relative motion sucks and be discharged fluid in the pump housing using power device impeller or blade, Conventional pump is unable to do what one wishes to certain special dimensions while meeting production conventional requirement, or can barely use, still Economy is too poor.Such as the following aspects: it needs that Fluid pressure is kept to stablize in a, fluid delivery, adjustable pressure adjustable extent It is wider.B, pressure demand is fixed in fluid delivery, but changes in flow rate is very big, and there are biggish gap or peak-valley differences, though Gap can not also interrupt pressure output when supplying, if waterworks is supplied water to resident, residential property secondary water-supply on the middle and senior level, and city's political and ideological work Fire hydrant is supplied with water in journey pipe network.Power constantly works when hydraulic power unit pressure maintaining works in Hydraulic Power Transmission System, not only Have an adverse effect to entire pumping plant mechanical life, more cause energy waste, additionally manufactures a large amount of waste heat.C, fluid to be transported There are the corrosive fluids such as strong acid, highly basic, strong oxidizing property directly to contact with component of machine, leads to the pump housing, impeller, pump shaft and close Sealing is corroded, destroys and fail or damage.D, process fluid to be transported is people's livelihood food, and fluid connects with pump component of machine Contact stain may be brought in touching, it is food-safe to impact.E, it transports in fluid and contains solid dielectric or solid liquid Body mixture, such as mud, drift sand, concrete etc..

To solve to overcome the above problem, many specific pumps are emerged in large numbers in reality production, the very big lining such as chemical industry dosage Glue pump, ptfe plastic pump, stainless steel pump etc., structure, the working principle of pump do not change, and impeller, pump shaft, pump case are in high speed Physics, electrochemical corrosion still remain in relative motion, only opposite to slow down, and weaken.

Therefore, it is necessary to a new fluid transfer pump, it is no longer limited to directly contact the thoughtcast of transhipment, does not need machine Fluid transfer can be realized in tool part relative motion.

Summary of the invention

For in the prior art and the problem of real, the purpose of the utility model is to provide a kind of novel gas-pressure streams The pressure of fluid according to actual needs, flow, can be transported through by body pump, when non-loaded demand, pump and are providing pressure output It is not required to power consumption simultaneously, saves energy, when having loading demand, pump can efficiently provide significantly power output, need bigger When power output, it is only necessary to increase gas storage storehouse, increase working media and return to gas storage storehouse, air pump power and rotary valve body quickening gap Rotational frequency when pump work, makes fluid generate pressure, the working media of lift and fluid mediate contact, can ensure that medium in this way It is not polluted mutually with fluid, when working media is recycled, bring will not be worked normally to air pump because working media is contaminated Negative effect.

Pneumatic fluid pump, including gas storage storehouse, surge bunker, multiple working bins with working bin air bag, with accumulation of energy storehouse air bag Accumulation of energy storehouse, valve body cavity, rotary valve body, air pump and decelerating motor, high-pressure working medium helium is stored in gas storage storehouse, and high-pressure work is situated between Matter helium seals circulation, fluid to be pressurised between gas storage storehouse, surge bunker, working bin air bag, accumulation of energy storehouse air bag, surge bunker, air pump Out of valve body cavity upper end fluid inlet injection valve body cavity, valve body cavity discharge outlet is connected to corresponding working bin, fluid flowing to be pressurised Into working bin, fluid is flowed in the case where it corresponds to the effect of working bin air bag pressurized expansion through rotary valve body hollow pipeline in working bin Accumulation of energy storehouse, fluid realizes constant voltage output under the effect of accumulation of energy storehouse air bag in accumulation of energy storehouse.

Further, rotary valve body is rotatably fixed in valve body cavity in valve body cavity, is provided with water inlet, discharge outlet, Relevant work storehouse is connected to accumulation of energy storehouse, after shown rotary valve body cycle rotation, multiple working bins successively pressurize in respective air bag Lower that fluid in storehouse is pressed into accumulation of energy storehouse by valve body designated lane, the decompression of high-pressure working medium helium is charged to accumulation of energy storehouse gas in accumulation of energy storehouse Capsule, fluid keeps constant voltage output under air pressurizes jointly in accumulation of energy storehouse air bag and former accumulation of energy storehouse in accumulation of energy storehouse.

Further, shown working bin includes warehouse one, warehouse two and warehouse three, is respectively arranged with warehouse cover board one, warehouse Cover board two and warehouse cover board three, warehouse cover board are set to working bin top, are provided on each warehouse cover board and are exclusively used in each warehouse The liquid keg float valve of air-discharging, resorption air.

It further, further include control system, detection unit and control valve, the detection unit is for detecting fluid or gas The position signal of capsule, signal output end connect the signal input part of control system, and the signal output end of the control system connects Connect the work of the control valve, air pump and decelerating motor.

It is defeated that the pneumatic fluid pump that the technical program is recorded is able to achieve the fluid pressurization for having specific demand occasion to fluid delivery Out, it can effectively prevent destruction of the corrosive fluid to pump itself components, mechanical sealing member, supply work in underload, gap Energy-saving and environmental protection under condition, mechanical efficiency are high, while having the characteristics that demolition and maintenance, easy to clean.

Detailed description of the invention

Fig. 1 is the pneumatic fluid pump configuration schematic diagram of the utility model；

Fig. 2 is the top view of Fig. 1；

Fig. 3 is liquid keg float structural schematic diagram；

Fig. 4 is working bin structural schematic diagram；

Fig. 5 is accumulation of energy storehouse and supporting foot structure schematic diagram；

Fig. 6 is rotary valve body structural schematic diagram；

Fig. 7 is the enlarged diagram of part B in Fig. 5；

Fig. 8 connect cross-sectional view with accumulation of energy storehouse for working bin；

Fig. 9 connect bottom view with working bin for accumulation of energy storehouse；

Figure 10 is that pneumatic fluid pumps gas circuit circulation schematic diagram.

Specific embodiment

As shown in attached drawing 1-10, pneumatic fluid pump, including gas storage storehouse 19, surge bunker, working bin 2, accumulation of energy storehouse 3, valve body cavity 11, rotary valve body 14, air pump 20 and large speed ratio turbine and worm decelerating motor.High-pressure working medium helium is stored in gas storage storehouse 19, Dry inert gas helium in gas storage storehouse 19, surge bunker, working bin air bag, close between air pump 20 and follow by accumulation of energy storehouse air bag, surge bunker Ring is reused.Fluid to be pressurised is out of 11 upper end fluid inlet 1 of valve body cavity injection valve body cavity 11, the draining of 11 upper end of valve body cavity Mouth 12 is connected to 2 gap of working bin, and fluid gap flows into working bin 2, and fluid is in its correspondence warehouse air bag in working bin 2 Accumulation of energy storehouse 3 is flowed to through 14 hollow pipeline of rotary valve body under pressurized expansion effect, fluid is in accumulation of energy storehouse air bag and gas-bearing formation in accumulation of energy storehouse 3 Effect is lower to realize constant voltage output.Working bin 2, accumulation of energy storehouse 3 are connected by rotary valve body 14 in valve body cavity 11, between valve body circulation After gap rotation, 2 three warehouses of working bin are successively stored fluid in storehouse by the indentation of valve body designated lane under the pressurization of respective air bag Energy storehouse 3, the decompression of 19 medium helium of gas storage storehouse are charged to accumulation of energy storehouse air bag, and fluid air in air bag and former storehouse adds jointly in accumulation of energy storehouse 3 Pressure can keep constant voltage output.

As shown in Figure 2 and Figure 3, Fig. 2 is top view, and Fig. 3 is corresponding cut-away illustration, and working bin 2 divides for warehouse 1, storehouse Room 27 and warehouse 38 are respectively arranged with warehouse cover board one, warehouse cover board two and warehouse cover board three, set in each warehouse cover board 4 Be equipped with 6 valve of liquid keg float for being exclusively used in each warehouse air-discharging, resorption air, float barrel valve door-inhale, row's mouth high-pressure hose with 2 upper end valve body cavity 11 of working bin realizes detachable quickly connection, in valve body cavity 11 upper end between connection float barrel valve door suction/exhousting hole with Fluid level control valve is installed between 2 top plate 5 of working bin, when fluid injects valve body through total inlet valve and 11 fluid inlet 1 of valve body cavity Chamber 11, when liquid level rises to fluid level control valve, control system closes total inlet valve, guarantees that the fluid in valve body cavity 11 will not Enter each warehouse or spill valve body cavity 11 because highly rising through float barrel valve door suction/exhousting hole, 11 lower end of valve body cavity is real in accumulation of energy storehouse 3 There are dedicated shunt conduits 16 for body, for shunting the segment fluid flow leaked out due to sealing ring fails or damages, if arranging not in time Sky, the fluid always leaked out from accumulation of energy storehouse 3, which may pass through second sealing ring, to be goed deep into from bearing guard, and damages bearing.Isocon The fluid leaked out is discharged directly to outside accumulation of energy storehouse 3 by road 16, and discharge rate size can be used for detecting rotary valve body 14 and valve body cavity Validity is sealed between 11, convenient for judging the whether no longer valid damage of sealing ring immediately, is made replacement sealing and is determined, accumulation of energy storehouse 3 Be connected and fixed with working bin 2 using pressing plate 18, multiple-sealed circle mode, advantage is, easy to disassemble to install again, whole pump through it is long when Between work after, cleaning, maintenance and replacement sealing part works it is inevitable, based on the above situation and 2 bottom plate of working bin be thin-walled Structure and storehouse plate has high-intensity sealing requirement, determines that working bin 2 cannot be integrally welded with accumulation of energy storehouse 3, thus in working bin 2 It is welded with the flange circle 17 of multiple tapped through holes on bottom plate, it is used for bolt, pressing plate 18 carries out accumulation of energy storehouse 3 to tighten fixation. Support four installation feet 10 of the entire pump housing can also be fixed by flange circle 17, furthermore welded flange circle 17 is to 2 bottom of working bin Plate intensity has very big enhancing, and the sealed connection mode between warehouse seal cover board and each warehouse oppresses warehouse using high-pressure fluid in storehouse Cover board 4 is sealed with warehouse sealing ring, its advantage is that making full use of the immense pressure that high-pressure fluid generates bulkhead in warehouse Effect is sealed, and warehouse cover board 4 is made in rectangular configuration holds up convenient for overturning and to extend back and put in storage, according to disposing after requiring rotation In specified groove, smaller upward coupling mechanism force is only needed to lift warehouse cover board 4 outside storehouse, that is, can guarantee sealing reliability.Such storehouse Room cover plate 4 is sealed by itself Fluid pressure from inside to outside, leans on mechanical structure coupling mechanism force to carry out from outside to inside compared to cover board close Envelope, advantage is self-evident, not only saves mechanical compaction mechanism, leakproofness.Safety is also improved a lot, and is often met in industrial and mineral production To pressure vessel because internal pressure it is excessive or seal cover board mechanical lock clamp force suddenly disappears and cause that seal cover board empties and The contingency risen occurs.

Figure 10 specifies the utility model pneumatic fluid pump, and closing working media recycles stream in a specific embodiment Emotionally condition flows to air-sac efficient flowing purpose, In in each working bin 2 through pressure reducing valve B23 to increase working media from gas storage storehouse 19 Allocating Surge Bin I 21 before working bin 2, specific location is on 2 top plate 5 of fluid pump working bin, three Hatch Board edges periphery, shape Shape is the circulating line with a constant volume.

In working bin 2, accumulation of energy storehouse 3 working media once do work mission completion, gas storage storehouse 19 must be returned it by air pump 20, It is efficient, low energy consumption using air pump 20, the Allocating Surge Bin II 22 after 3 hydraulic valve of working bin 2 and accumulation of energy storehouse, air pump 20 1 Working cycles terminate, and II 22 interior media of surge bunker is evacuated to and is automatically closed close to after vacuum state, and working bin 2, accumulation of energy storehouse 3 are done The working media that work finishes is introduced into surge bunker II 22, and when pressure medium reaches preset value in surge bunker II 22, air pump 20 is opened Dynamic, II 22 specific location of surge bunker, shape are similar with surge bunker I 21, the concentric loop being similarly on 2 top plate 5 of working bin Pipeline.Pressure-control valve 32 is provided between surge bunker II 22 and air pump 20.

As shown in Figure 1, low pressure or eminence fluid to be transported stop flowing, the utility model air pressure stream through total inlet valve Q Body pump fluid inlet 1 is connected with total inlet valve Q with pipeline, when fluid needs to transport, opens fluid pump general supply, starting starts Play button, total inlet valve Q are opened, and fluid injects 11 internal upper part of valve body cavity, such as Fig. 6-8 through 11 fluid inlet 1 of valve body cavity Shown, 14 upper end discharge outlet 12 of rotary valve body is connected to warehouse 1 at this time, and 11 upper flow of valve body cavity is directly injected into warehouse one 9, the liquid keg float 6 in warehouse cover board one keeps conical valve in the open state under self gravitation effect, not along with fluid Stopping injecting warehouse 1, one 9 Central Plains air of warehouse has to drain into 11 inner upper space of valve body cavity by cone valve door-inhale, Pai Kou, And the pump housing is discharged by outlet, fluid level is gradually increasing until full of entire warehouse in warehouse 1, and liquid is floating in warehouse cover board one Bucket 6 rises and closes exhaust outlet under injection fluid buoyancy effect, it is worth noting that, liquid keg float valve in warehouse cover board 4 Suction/exhousting hole is connected with the sealing of 11 upper end hose of valve body cavity can prevent fluid in each warehouse from filling outside the outer spilling pump housing.

Control system obtains fluid in warehouse 1 and has filled storehouse by the detection tapered valve closing signal of liquid keg float 6 Room, and then issue the instruction for closing total inlet valve Q, it is ensured that fluid level does not continue to rise in valve body cavity 11, warehouse 1, System detection fluid into warehouse 27 is in emptying wait state at the same time, and 6 valve of liquid keg float is in warehouse cover board three It opens, wait fluid injection, while in the case of meeting conditions above, control system makes valve to the sending of 14 decelerating motor of rotary valve body Body rotates 120 degree of signal instructions, after rotary valve body 14 rotates 120 degree in place, will feed back to system by signal in place, system sending is beaten Total inlet valve Q instruction is opened, fluid re-injects, at this point, 14 upper end discharge outlet 12 of rotary valve body is connected to warehouse 38, warehouse The injection of 38 fluids repeats one 9 fluid injection of warehouse before above-mentioned rotary valve body 14 rotates 120 degree.

14 middle and upper part fluid inlet 1 of rotary valve body is connected to warehouse 1, and control system opens one 9 air bag intake valve of warehouse Door Qa27, I 21 mesohigh working media of surge bunker flow to one 9 air bag of warehouse, air bag volume expansion, Fluid pressure in warehouse 1 Increase, high-pressure fluid is forced through 14 middle and upper part water inlet 13 of rotary valve body, and it is multiple unidirectional that valve body hollow pipeline flow to valve body lower end Valve discharge outlet 15, when high pressure fluid is greater than the sum of Fluid pressure and unidirectional valve opening pressure in accumulation of energy storehouse 3, fluid is logical It crosses check valve and flows to accumulation of energy storehouse 3, as fluid incessantly flows to accumulation of energy storehouse 3 in warehouse 1, Fluid Volume is gradually decreased in warehouse 1, Air bag volume constantly increases, and gradually asymptotic warehouse bottom plate sensing device, sensing device sense air bag to the fixed position in air bag bottom When position is fixed in bottom, show that fluid has emptied in warehouse 1, made after system detection to inductive signal and close Qa27 movement, Fluid in warehouse 1 is set to be in emptying wait state.

At the same time, liquid keg float 6 makes tapered valve in the open state under self gravitation effect in warehouse cover board two, Wait fluid injection.

After three above warehouse status signal feeds back to system, control system makes valve body to the sending of 14 speed reducer of rotary valve body 120 degree of signal instructions are rotated, after rotary valve body 14 rotates 120 degree in place, system will be fed back to by signal in place, system, which issues, to be opened Total inlet valve Q instruction, fluid re-inject.

At this point, 14 upper end discharge outlet 12 of rotary valve body is connected to warehouse 27, the injection of 27 fluid of warehouse repeats above-mentioned revolution One 9 fluid injection of warehouse before valve body 14 rotates 240 degree.

14 middle and upper part water inlet 13 of rotary valve body is connected to warehouse 38, and control system opens 38 air bag air intake valve of warehouse Qc25, I 21 mesohigh working media of surge bunker flow to 38 air bag of warehouse, and fluid flows to air bag state and induction in warehouse 38 Fluid flows to air bag state and induction in warehouse 1 before device and valve Qc25 movement rotate 120 degree with rotary valve body 14 Device is as valve Qa27 movement.

Simultaneously, system opens valve Qa II 28 between one 9 air bag of warehouse and surge bunker II 22 for the above-mentioned work of warehouse 27, three, High-pressure medium flow direction in one 9 air bag of warehouse is close to the surge bunker II 22 of vacuum state, and pressure medium is immediately in surge bunker II 22 Start preset pressure value higher than air pump 20, air pump 20 starts Jie that will have been done work in one 9 air bag of surge bunker II 22 and warehouse immediately Matter is gradually shifted to gas storage storehouse 19, in 20 course of work of air pump, when pressure medium is near or below outside pump in one 9 air bag of warehouse When pressure, air bag volume starts zooming out warehouse 1 and initially forms negative pressure, in warehouse negative pressure and warehouse cover board one, liquid keg float 6 Under self gravitation effect, keg float valve taper suction/exhousting hole is opened, and is pumped outer air by 11 top of valve body cavity and is entered valve body cavity 11, then Warehouse 1 is flowed to through hose and taper suction/exhousting hole, pressure recovery works on to external pressure is pumped with air pump 20 in warehouse 1, Air bag volume is gradually decrease to minimum state, and pressure medium gradually lowers in surge bunker II 22, until close to vacuum state, system It detects and closes air pump 20 and II, of valve Qa27 after pressure reaches setting value

After above three warehouse status signal feeds back to system, control system makes valve to the sending of 14 decelerating motor of rotary valve body Body rotates 120 degree of signal instructions, after rotary valve body 14 rotates 120 degree in place, will feed back to system by signal in place, system sending is beaten Total inlet valve Q instruction is opened, fluid re-injects valve body cavity 11.

At this point, 14 upper end discharge outlet 12 of rotary valve body is connected to warehouse 1 again, the injection of one 9 liquid of warehouse repeats valve body and returns Fluid injection before turning around.

14 middle and upper part water inlet 13 of rotary valve body is connected to warehouse 27, and control system opens 27 air bag air intake valve of warehouse Qb29, II 22 mesohigh working media of surge bunker flow to 27 air bag of warehouse, and fluid flows to air bag state and sense in warehouse 27 Fluid flows to air bag state and sense in warehouse 1 before answering device and valve Qb29 movement to rotate 240 degree with rotary valve body 14 As answering device to act with valve Qa27.

Equally, simultaneously, system opens valve between 38 air bag of warehouse and surge bunker II 22 for above-mentioned one 9 warehouse 27 of warehouse work Door Qc II 26, surge bunker II 22 of the high-pressure medium flow direction close to vacuum state in 38 air bag of warehouse, II 22 intermediary of surge bunker Matter pressure is higher than air pump 20 at once and starts preset pressure value, and air pump 20 starts immediately, 38 air bag state change of warehouse, warehouse lid 6 valve situation of change of liquid keg float and system close air pump 20 in plate three and the movement of valve Qc II 26 is rotated with rotary valve body 14 One 9 air bag state change of warehouse before 120 degree, valve situation of change and air pump 20 and valve Qa II 28 are dynamic in warehouse cover board one Make the same.

After control system obtains above three warehouse status signal, make valve body to the sending of 14 decelerating motor of rotary valve body again 120 degree of signal instructions are rotated clockwise, such pneumatic fluid pump is realized in three warehouses by the rotation of 14 gap of rotary valve body to flow Medium disengaging acts alternate cycles in body injection, discharge and air bag, to guarantee that working bin 2 will inject 11 overhead stream of valve body cavity The sustainability shifted after body pressurization to accumulation of energy storehouse 3.

Be above for three warehouses in working bin 2 since dummy status to normal circulation working in reciprocating mode overall process, once The process to work from dummy status to normal circulation with regard to accumulation of energy storehouse 3 is described.

Fluid passes through 14 hollow pipeline of rotary valve body and valve body lower end under each warehouse air bag pressurization in working bin 2 Check valve discharge outlet 15 flows to accumulation of energy storehouse 3, and Fluid Volume is during gradually increasing in accumulation of energy storehouse 3, by closed gas in former warehouse Gradually upper lift, squeezes.

In accumulation of energy storehouse, vertical juxtaposed position is provided with 3 fluid level sensing device of accumulation of energy storehouse, sensing device energy to 3 outer wall therewith Three state points of fluid present position in accumulation of energy storehouse 3, orlop limit point, silo roof limit point and work switching point are detected, and anti- Feeding system issues corresponding operating instruction convenient for control system.Orlop limit point, in accumulation of energy storehouse 3 without or have a minute quantity fluid, Accumulation of energy storehouse 3 cannot externally provide pressure fluid at this time, and accumulation of energy storehouse 3 is waiting 2 high-pressure fluid of working bin to inject.In control system While external Fluid pressure of breaking exports, make warning note on middle control screen: " accumulation of energy storehouse 3 lacks enough pressure fluids and uses In output ".Silo roof limit point, Fluid Volume has reached maximum rating in accumulation of energy storehouse 3, cannot receive 2 mesohigh of working bin again Fluid injects, and the warehouse air intake valve that closing is working after system detection to this signal makes fluid in working bin 2 continue to infuse Enter the pause in action in accumulation of energy storehouse 3.Work switching point, and for Fluid Volume by mostly gradually tailing off, liquid level position drops to switching in accumulation of energy storehouse 3 When point, control system issues open instructions to the warehouse air intake valve for being in break-off, restarts 2 mesohigh of working bin The movement in fluid injection accumulation of energy storehouse 3.

In accumulation of energy storehouse, 3 internal upper part annular region lays Special annular air bag, and Special annular air bag is equipped with and gas storage storehouse 19 The air inlet being connected to through pressure reducing valve A24 and the row that excessive gas in air bag can be flowed out to surge bunker II 22 through relief valve C30 Port.19 working media of gas storage storehouse is filled, the air bag of variable volume can play stable 3 fluid pressure of accumulation of energy storehouse, accumulation of energy storehouse 3 When fluid volume is reduced, fluid pressure becomes smaller, and Special annular air bag obtains gas storage storehouse 19 and depressurizes medium supplement, and volume is swollen It is swollen, so that 3 fluid pressure of accumulation of energy storehouse is tended to setting value, when 3 fluid volume of accumulation of energy storehouse increases, fluid pressure increases, air bag Relief valve C30 releases its intracapsular high pressure gas to surge bunker II 22, air bag volume-diminished, and high pressure gas releases in accumulation of energy storehouse 3 To surge bunker II 22, air bag volume-diminished, the reduction of 3 fluid pressure of accumulation of energy storehouse tends to setting value.Special annular air bag is also connected with There are the pressure gauge or sensor 31 for detecting its internal pressure.

After fluid level height is higher than orlop limit point in accumulation of energy storehouse 3, accumulation of energy storehouse 3 has external output pressure fluid energy Power: A, the temporary no pressure fluid output of system require, and 3 air bag air intake valve of accumulation of energy storehouse is opened in system halt, is conducive to work in this way Storehouse 2 is saved time to the injection fluid time of accumulation of energy storehouse 3 and energy consumption, and closed air is pressed further by upper lift in accumulation of energy storehouse 3, flows Body liquid level is gradually increasing until reaching silo roof limit point, and control system closes warehouse air intake valve, thus break-off storehouse 2 Fluid continues to inject to accumulation of energy storehouse 3, opens simultaneously accumulation of energy storehouse air bag air intake valve, air bag volume expansion, by fluid in accumulation of energy storehouse 3 Pressure is set in designated state, and waiting system opens external output valve, carries out pressure fluid output, B, and system has pressure fluid Output requires, and system opens accumulation of energy storehouse air bag air intake valve, and the decompression of 19 working media of gas storage storehouse enters air bag, and air bag volume is swollen It is swollen, Fluid pressure in accumulation of energy storehouse 3 is set in designated state, while 2 high-pressure fluid of working bin is injected to accumulation of energy storehouse 3, is stored Energy storehouse 3 externally exports steady pressure fluid, and fluid injection rate is greater than or is equal to output quantity at this time, otherwise 3 fluid liquid of accumulation of energy storehouse Position height will lose externally output steady pressure fluid capacity close to orlop limit point, with 3 liquid level height of accumulation of energy storehouse In slow uphill process, medium slowly flows to surge bunker through oil pressure valve C in the air bag of accumulation of energy storehouse, and air bag is to stablize to flow in accumulation of energy storehouse 3 Body pressure volume is gradually reduced, and 3 liquid level of accumulation of energy storehouse height is gradually increasing until reaching silo roof limit point, and control system is closed Warehouse air intake valve, so that 2 high-pressure fluid of working bin be made to inject pause in action to accumulation of energy storehouse 3, in accumulation of energy storehouse, 3 high-pressure fluid is external Under output, 3 fluid level of accumulation of energy storehouse is gradually reduced again, and accumulation of energy storehouse air bag is to keep storehouse fluid pressure, in gas storage storehouse 19 It depressurizes under medium supplement, volume expansion, until liquid level drops to work switching point in its storehouse, control system is opened paused The warehouse air intake valve of work, 2 high-pressure fluid of working bin restore to inject to accumulation of energy storehouse 3, and 3 fluid level of accumulation of energy storehouse is again Go up, accumulation of energy storehouse air bag volume-diminished, so progress cycle operation, C, system have clearance pressure fluid to export requirement, interrupting When pressure fluid exports, 3 liquid levels of accumulation of energy storehouse height is gradually increasing, and until reaching silo roof limit point, air bag state and has pressure Force flow body output phase is same, and control system closes warehouse air intake valve, to keep 2 high-pressure fluid of working bin dynamic to the injection of accumulation of energy storehouse 3 Work suspends, and accumulation of energy storehouse air bag makes Fluid pressure in accumulation of energy storehouse 3 be maintained at pressure reducing valve under 19 working media of gas storage storehouse decompression supplement A24 sets state of value, and the technical program pneumatic fluid pump is compared conventional pump great advantage, kept under Fluid pressure steady state not Need power consumption.

Closed air under fluid pressurization, is extruded in storehouse in the former storehouse in accumulation of energy storehouse 3, and upper lift can ensure that in accumulation of energy storehouse 3 Fluid preferentially fills left 3 lower part of accumulation of energy storehouse, and the outer liquid level induction system in accumulation of energy storehouse 3 is avoided not can accurately reflect the correct position of fluid in storehouse It sets.

The inertia dry gas helium that working media selects specific gravity lighter in gas storage storehouse 19 can in accumulation of energy storehouse 3 because of light specific gravity Guarantee that accumulation of energy storehouse air bag floats in former storehouse to seal above gas-bearing formation, contacts fluid in accumulation of energy storehouse 3 not with air bag.

Three a certain moment of working bin 2 only have a warehouse and are connected with 11 upper end discharge outlet 12 of valve body cavity, another storehouse Room is communicated with 11 middle and upper part water inlet 13 of valve body cavity, it is ensured that three working bins 2 are non-interference and can be simultaneously into drainage procedure independence Work.

The multiple uniformly distributed discharge outlet 15 of 14 lower end outer rim of rotary valve body are provided with one-way cock, fluid can only from working bin 2 into Enter accumulation of energy storehouse 3.

It is preset with rectangular opening on 2 three warehouse top plates 5 of working bin, for cleaning, in maintenance process, operator enters use, It is welded with angle bar in rectangular opening exterior bottom, increases rectangular opening intensity, another right-angle side of angle bar, which is formed, is used for installation bin room cover plate 4 Specified groove, the smaller upward coupling mechanism force outside the storehouse of warehouse cover board 4 lifts cover board.

2 warehouse cover board 4 of working bin is rectangular configuration, is equipped with liquid keg float 6 inside cover board, keg float top is equipped with and cone valve The spool of door cooperation, 4 upper end conical valve suction/exhousting hole of warehouse cover board and 2 top plate of working bin, 5 upper valve body cavity 11 are quick with hose Connection.

2 plate outer side of working bin is welded with the flange circle 17 of multiple reserved screwed holes, and 3 top outer rim of accumulation of energy storehouse is welded with can It is with multiple pressing plates 18 that it is each that the flange circle 19 of pre-buried twice ring type seal, accumulation of energy storehouse 3 and working bin 2, which are tightly connected mode, Cooperate from flange circle and compresses.

Pneumatic fluid pump is a product that is mechanical, electrically combining with PLC control, is related to fluid under special operation condition and turns Fortune field, in secondary supply of the property to jurisdiction district urbanite water consumption, fire hydrant water, chemical industry, printing and dyeing class enterprise to acid, alkali, The occasion of oxidative fluid transhipment, has outstanding advantage, advantage: 1, output fluid pressure is stablized, and is adjusted and adjustable extent is wide, 2, When the pressure maintaining of pressure fluid gap exports, do not need kinetic equation loss, 3, working media do not contacted with fluid, the pump housing, impeller is not present And relative motion between fluid, corrosion contamination is small, pump the service life it is long, 4, transhipment fluid in can be mixed with solid dielectric.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality The all possible combination of each technical characteristic in example is applied all to be described, for those of ordinary skill in the art, In Under the premise of not departing from the utility model design, various modifications and improvements can be made, as long as the combination of these technical characteristics There is no contradictions, all should be considered as described in this specification.

Claims

1. pneumatic fluid pumps, which is characterized in that including gas storage storehouse, surge bunker, multiple working bins with working bin air bag, band accumulation of energy Accumulation of energy storehouse, rotary valve body, air pump and the decelerating motor of storehouse air bag are stored with high-pressure working medium helium, high-pressure work in gas storage storehouse Medium helium seals circulation between gas storage storehouse, surge bunker, working bin air bag, accumulation of energy storehouse air bag, air pump, and fluid to be pressurised is from valve body Chamber upper end fluid inlet injects in valve body cavity, and valve body cavity discharge outlet is connected to corresponding working bin, and fluid to be pressurised flows into work Make storehouse, fluid flows to accumulation of energy through rotary valve body hollow pipeline in the case where it corresponds to the effect of working bin air bag pressurized expansion in working bin Storehouse, fluid realizes constant voltage output under the effect of accumulation of energy storehouse air bag in accumulation of energy storehouse.

2. pneumatic fluid pump according to claim 1, which is characterized in that rotary valve body is rotatably fixed on valve in valve body cavity In body cavity, it is provided with water inlet, discharge outlet, relevant work storehouse is connected to accumulation of energy storehouse, shown rotary valve body cycle rotation Afterwards, fluid in storehouse is successively pressed into accumulation of energy storehouse, high pressure work by valve body designated lane under the pressurization of respective air bag by multiple working bins Make the decompression of medium helium and be charged to accumulation of energy storehouse air bag in accumulation of energy storehouse, fluid air in accumulation of energy storehouse air bag and former accumulation of energy storehouse is total in accumulation of energy storehouse With the lower holding constant voltage output of pressurization.

3. pneumatic fluid pump according to claim 1, which is characterized in that shown working bin includes warehouse one, two and of warehouse Warehouse three is respectively arranged with warehouse cover board one, warehouse cover board two and warehouse cover board three, and warehouse cover board is set to working bin top, The liquid keg float valve for being exclusively used in each warehouse air-discharging, resorption air is provided on each warehouse cover board.

4. pneumatic fluid pump according to claim 1, which is characterized in that further include control system, detection unit and control Valve, the detection unit are used to detect the position signal of fluid or air bag, and signal output end connects the signal of control system Input terminal, the signal output end of the control system connect the work of the control valve, air pump and decelerating motor.