CN203809309U - Double-belt self-priming pump - Google Patents
Double-belt self-priming pump Download PDFInfo
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- CN203809309U CN203809309U CN201420082035.XU CN201420082035U CN203809309U CN 203809309 U CN203809309 U CN 203809309U CN 201420082035 U CN201420082035 U CN 201420082035U CN 203809309 U CN203809309 U CN 203809309U
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- centrifugal pump
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- priming
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- 239000007788 liquid Substances 0.000 claims abstract description 52
- 230000000903 blocking effect Effects 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 24
- 238000007667 floating Methods 0.000 claims description 13
- 230000037452 priming Effects 0.000 claims description 11
- 239000002283 diesel fuel Substances 0.000 claims description 9
- 239000010705 motor oil Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 241000153246 Anteros Species 0.000 claims 2
- 238000005086 pumping Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a double-belt self-priming pump. The double-belt self-priming pump is characterized in that a centrifugal pump is installed on a pump base, a fan component is directly in serial connection with the pump or a motor shaft to be directly driven by the shaft, or is independent of the centrifugal pump to be placed beside the centrifugal pump and is driven by a belt wheel installed on the pump or the motor shaft, the fan component is communicated with a gas-liquid valve plug component through a fan inlet pipe, the gas-liquid valve plug component serving as a control switch for switching vacuum pumping and idling conditions of a fan is connected with the centrifugal pump through a pump outlet tee joint, and a single end surface mechanical seal or a double end surface mechanical seal with an external flushing fluid is installed in a seal cavity of the centrifugal pump. The double-belt self-priming pump has the advantages that a self-priming device and the centrifugal pump are driven by a motor or a diesel engine, an electrical control system is not required, the whole structure is more simple and compact, manufacture costs are low, performances are stable, and the fault rate is low; a fan component is high in efficiency and short in self-priming time, a heavy-caliber centrifugal pump can achieve suction within one minute, and a small-caliber centrifugal pump needs less time to achieve suction; the self-priming capacity is high, and the maximum height can reach seven meters.
Description
Technical field
The utility model relates to a kind of self-priming pump, particularly a kind of
one machine biobelt self-priming pump.
Background technique
Constantly perfect along with self-priming pump technology, its Security, stability are more and more higher, and the application area that self-priming pump is put on operating mode under dielectric fluid is more and more wider.Continue to bring out at Self-priming pump, when performance is perfect gradually, still have a lot of problems.Original common self-priming pump is equal to suction lift lower (1-4 rice) 1; 2, self-priming time is grown (5 minutes even longer); 3, self-priming reliability is not strong, does not often inhale medium; 4, need return stream for realizing self-absorption function, thereby make pump efficiency low; 5, be not suitable for north of china in winter outdoor; 6, interior return port often stops up, and fault multidimensional is repaiied the problem such as frequent and progressively exited self-priming pump market.Several Self-priming pumps (adding self-priming apparatus and automatical control system outside centrifugal pump) in the market also exist: 1, preparation is many, complex structure.2, electrical apparatus element are fragile, cause normally self-priming of pump.3, cost high, 4, there is no problems such as power supply cannot use.Along with the transport volume of the various industrial chemicals of expanding economy, former wet goods is increasing.Tank car occupies very important position in transit, and tank car divides highway transport tank car and railway transport tank car.Because security needs railway tank car is upper-unloading type, a lot of road tankers also take top to unload.Because the mouth of unloading is opened at tank car top, in the whole process of unloading, suction line becomes inverted U, and suction line is deposited gas, easily causes cutout.Ordinary Centrifugal Pumps cannot normally be worked in the situation that half liquid half gas is gas even entirely.Common self-priming pump cannot meet usage requirement.
Summary of the invention
The utility model be a kind of by
centrifugal pump, vapour-liquid valve blocking component, fan assembly, mechanical seal and auxiliary system thereoffour part compositions
one machine biobelt self-priming pumpobject be the deficiency existing in above-mentioned technology, a kind of novel combination type self-priming pump is reliably provided, avoid above in-problem generation.
The purpose of this utility model is achieved in that and comprises
centrifugal pump, vapour-liquid valve blocking component, fan assembly, mechanical seal and auxiliary system thereoffour parts.It is characterized in that, centrifugal pump is arranged on pump-foot, fan assembly directly string directly drives by axle on pump or motor shaft, or be independent of centrifugal pump and be placed in by centrifugal pump, by being arranged on the belt pulley transmission on pump or motor shaft, and communicate with vapour-liquid valve blocking component by fans entrance pipeline, vapour-liquid valve blocking component vacuumizes with the control switch of idling conditions conversion and is connected with centrifugal pump by pump discharge threeway as blower fan.The single mechanical end face seal of additional washing solution or double mechanical seal are arranged in the Seal cage of centrifugal pump, are single mechanical end face seal as scene can provide outside washing solution, are auxiliary system otherwise select double mechanical seal to join liquid container.Liquid container is arranged on pump-foot or away from floor installation depending on on-site actual situations.
Fan assembly divides two kinds of driving mode.The fan assembly that a kind of driving mode is made up of wind wheel and Fan casing is directly installed on motor or diesel engine front and back axle head or centrifugal pump shaft, drives by motor shaft or pump shaft.This driving mode fan assembly has three mounting points: motor or diesel oil arbor front end, motor or diesel engine shaft rear end, centrifugal pump shaft.Another kind of driving mode is that belt pulley is housed on fan assembly, drives by belt pulley, and the belt pulley of this kind of driving mode has two mounting points: motor/diesel oil arbor front end, centrifugal pump shaft place.Vapour-liquid valve blocking component is made up of air valve, dielectric valve and gas-liquid control valve three parts, and air valve is stifled by protective housing, air valve, air valve sealing plate, the cover of turning one's coat, shell form.Dielectric valve by dielectric valve sealing plate, dielectric valve seal plug, medium floating drum form, air valve relief opening one end communicates with air valve sealing plate bottom, the other end machine entrance pipe of giving a dinner for a visitor from afar.Air valve suction port connects atmosphere.The cross Flow Velocity of gas-liquid control valve with adjustments of gas and medium established in dielectric valve bottom.Vapour-liquid valve blocking component Air Valve blocks up and air valve sealing plate closure, and dielectric valve sealing plate is thrown off with dielectric valve seal plug.When centrifugal pump runs well, medium floating drum rises; vapour-liquid valve blocking component Air Valve is stifled throws off with air valve sealing plate; dielectric valve sealing plate is with dielectric valve seal plug closure; by the closed of height of liquid level control vapour-liquid valve blocking component Air Valve and dielectric valve in centrifugal pump with open, ensure that fan assembly vacuumizes and the conversion of unloaded state without shutting down to realize.
In the fan assembly of belt drives, vaccum-pumping equipment divides two kinds of gas ring vacuum pump formula and Roots pump formulas.Vapour-liquid valve blocking component is made up of air valve and dielectric valve.After device start, motor or diesel-driven single centrifugal pump and fan assembly turn round simultaneously.Air valve in vapour-liquid valve blocking component cuts out, and dielectric valve is opened, and in blower fan extraction centrifugal pump and suction line thereof, air is to centrifugal pump pump priming.Along with air in centrifugal pump and suction line thereof is pumped, in pump, degree of vacuum increases, force medium in groove tank to enter vapour-liquid valve blocking component along pump discharge threeway after centrifugal pump suction line is filled centrifugal pump, dielectric valve is closed, air valve is opened, and ensures that dielectric valve closes rear fan and can ensure that blower fan still can run well from extraneous air amount.Now centrifugal pump completes pump priming and enters normal operation.When medium in groove tank is evacuated, in pump, medium liquid level declines, and pump discharge pressure reduces.Pressure switch is sent electrical signal to control room electrical distribution system, and self-priming pump shuts down automatically.
In the time that this self-priming machine is often used for the operating mode of appearance cutout phenomenon, cancel pressure switch.Because of fan assembly in centrifugal pump operation process all the time in work, when cutout appears in centrifugal pump suction line, during without medium, medium floating drum declines in centrifugal pump, dielectric valve is opened again, air valve cuts out.Fan assembly is given centrifugal pump pump priming at once, accomplishes the conversion fast automatically of blower fan pump priming and idling conditions.Prevent that centrifugal pump is because of cutout occur normally the working generation of phenomenon.For adapting to site space size and service condition, be provided with horizontal, vertical and hand push is horizontal, the vertical four kinds of forms of hand push.
The beneficial effects of the utility model: 1, compared with Self-priming pump, self-priming apparatus and centrifugal pump are driven by a motor or diesel engine, without electric control system, overall structure is simpler compact, and cost is lower, stable performance, failure rate is low; 2, fan assembly efficiency is high, and self-priming time is short, and heavy caliber centrifugal pump completes in also can 1 minute and sucts, and the small-bore time is shorter; 3, suction capacity is strong, and maximum can reach 7 meters; 4, fan assembly and centrifugal pump adopt a driving arrangement, as long as equipment operation fan assembly is just always at self-priming, in the time there is medium cutout, in vapour-liquid valve blocking component, medium liquid level declines, medium floating drum sinks, dielectric valve is opened, and air valve blocks, and fan assembly sucts again, prevent that centrifugal pump from dallying for a long time, solved top while unloading centrifugal pump suction line be inverted U-shaped, gas is deposited on suction line top, the problem that common self-priming machine discharge opeing and exhaust condition cannot be changed in time; 5, in self-priming pump case, pipeline, do not deposit medium, resistance to frost is good, is applicable to north of china in winter and uses; 6, select single end face to rinse mechanical seal or double mechanical seal outward, even if still can ensure the performance of mechanical seal when self-priming pump dallies, stops; 7, centrifugal pump adopts motor or Diesel Driven, has non-transformer to use, and has solved the problem of field use non-transformer situation, and Applicable scope is wider; 7, as long as add pressure switch at outlet of centrifugal pump, can realize the pump trip of self-priming pump, easy to operate without artificial guard.8, structural type is various, is applicable to various use occasions.
brief description of the drawings:
Fig. 1 is the horizontal A type of the utility model structural representation
Fig. 2 is the horizontal A type of the utility model hand push structural representation
Fig. 3 is the vertical A type of the utility model structural representation
Fig. 4 is the vertical A type of the utility model hand push structural representation
Fig. 5 is the horizontal Type B structural representation of the utility model
Fig. 6 is the horizontal Type B structural representation of the utility model hand push
Fig. 7 is the vertical Type B structural representation of the utility model
Fig. 8 is the vertical Type B structural representation of the utility model hand push
Fig. 9 is the horizontal C type of the utility model structural representation
Figure 10 is the horizontal C type of the utility model hand push structural representation
Figure 11 is the vertical C type of the utility model structural representation
Figure 12 is the vertical C type of the utility model hand push structural representation
Figure 13 is the utility model D type structural representation
Figure 14 is E type structural representation of the present invention
Figure 15 is the utility model top structural representation of unloading
Vapour-liquid valve blocking component structural representation when Figure 16 is the utility model centrifugal pump pump priming
Vapour-liquid valve blocking component schematic diagram when Figure 17 is the normal operation of the utility model centrifugal pump.
embodiment:
Below in conjunction with accompanying drawing, the utility model specific embodiment is described further:
As shown in Figure 1, the horizontal A type of the present invention structure is fixing horizontal pump, and fan assembly is arranged on motor rear portion; As shown in Figure 2, the horizontal A type of hand push structure is horizontal pump, cart type, and fan assembly is arranged on motor rear portion; As shown in Figure 3, vertical A type structure is fixing vertical pump, and fan assembly is arranged on motor rear portion; As shown in Figure 4, the vertical A type of hand push structure is vertical pump, cart type, and fan assembly is arranged on motor rear portion; As shown in Figure 5, horizontal Type B structure is fixing horizontal pump, and fan assembly is arranged on centrifugal pump pump shaft place; As shown in Figure 6, the horizontal Type B structure of hand push is horizontal pump, cart type, and fan assembly is arranged on centrifugal pump pump shaft place; As shown in Figure 7, vertical Type B structure is fixing vertical pump, and fan assembly is arranged on centrifugal pump pump shaft place; As shown in Figure 8, the vertical Type B of hand push is vertical pump, cart type, and fan assembly is arranged on centrifugal pump pump shaft place; As shown in Figure 9, horizontal C type is fixing horizontal pump, and fan assembly is arranged on motor front end; As shown in Figure 10, the horizontal C type of hand push is horizontal pump, cart type, and fan assembly is arranged on motor front end; As shown in Figure 11, vertical C type is fixing vertical pump, and fan assembly is arranged on motor front end; As shown in Figure 12, the vertical C type of hand push is vertical pump, cart type, and fan assembly is arranged on motor front end; As shown in Figure 13, D type is that fan assembly is driven by the belt pulley that is arranged on centrifugal pump shaft or motor shaft, and fan assembly is gas ring vacuum pump formula;
As shown in Figure 14, E type is that fan assembly is driven by the belt pulley that is arranged on centrifugal pump shaft or motor shaft, and fan assembly is Roots pump formula; As shown in Figure 15, bassinet structure is unloaded at top.As shown in Figure 16, vapour-liquid valve blocking component structure when centrifugal pump pump priming; As shown in Figure 17, vapour-liquid valve blocking component structure when centrifugal pump runs well.
From Fig. 1-17, the fan assembly of a machine biobelt self-priming pump divides two kinds of driving mode.The fan assembly that a kind of driving mode is made up of wind wheel 17 and Fan casing 19 is directly installed on motor or diesel engine front and back axle head or centrifugal pump shaft, drives by motor shaft or pump shaft.This driving mode fan assembly has three mounting points: motor or diesel oil arbor front end, motor or diesel engine shaft rear end, centrifugal pump shaft.Another kind of driving mode is that belt pulley is housed on fan assembly, drives by belt pulley, and the belt pulley of this kind of driving mode has two mounting points: motor/diesel oil arbor front end, centrifugal pump shaft place.In the fan assembly of belt drives, main vaccum-pumping equipment divides 28 two kinds of gas ring vacuum pump formula 27 and Roots pump formulas.
Vapour-liquid valve blocking component is made up of air valve, dielectric valve and gas-liquid control valve 9 three parts, and air valve is stifled 2 by protective housing 1, air valve, air valve sealing plate 3, the cover 4 of turning one's coat, shell 5 form.Dielectric valve is made up of dielectric valve sealing plate 6, dielectric valve seal plug 7, medium floating drum 8.Air valve relief opening 10 one end communicate with air valve sealing plate 3 bottoms, the other end machine entrance pipe 21 of giving a dinner for a visitor from afar.Air valve suction port 11 connects atmosphere.After motor or diesel engine starting, drive centrifugal pump and fan assembly to turn round simultaneously.Now centrifugal pump idle running, fan assembly extracts gas in centrifugal pump suction line 23 and centrifugal pump by vapour-liquid valve blocking component 12, realizes self-absorption function to centrifugal pump pump priming.When pump priming, the interior gassy of vapour-liquid valve blocking component 12, medium floating drum 8 gravitates are in extreme lower position, and dielectric valve seal plug 7 is thrown off with dielectric valve sealing plate 6, and dielectric valve is opened.Air valve stifled 2 seals with air valve sealing plate 3, and air valve cuts out.Centrifugal pump 15 and the interior gas of suction line 23 are inhaled into fan assembly from air valve relief opening 10.Treat that centrifugal pump 15 and the interior air of suction line 23 thereof are evacuated, medium enters centrifugal pump 15 and vapour-liquid valve blocking component 12 along centrifugal pump suction line 23, medium floating drum 8 floats under floating function, dielectric valve sealing plate 6 and dielectric valve seal plug 7 closures, dielectric valve is closed, air valve stifled 2 and air valve sealing plate 3 are thrown off, and air valve is opened.Centrifugal pump completes pump priming.Fan assembly is from 11 air inlets of air valve suction port, and fan assembly dallies.After having prevented that centrifugal pump pump priming from finishing, dielectric valve is closed, and enters fan assembly without gas again, but fan assembly still works under motor or diesel engine drive, thereby causes fan assembly to damage.Because fan efficiency is high, it is too fast that self-priming machine sucts speed, enters fan assembly for preventing that dielectric valve from closing after front medium is scurried into air valve along air valve relief opening 10, and the cover 4 of turning one's coat is installed in air valve, makes to enter medium in the air valve air valve bottom that falls to making the return trip empty.For preventing that medium from entering dielectric valve excessive velocities, set up the cross Flow Velocity of gas-liquid control valve 9 with adjustments of gas and medium in dielectric valve bottom.When motor or diesel engine have just started, centrifugal pump is in idling conditions, now pump is interior without medium, can cause mechanical seal to damage, selecting the single mechanical end face seal of additional washing solution or double mechanical seal 16 to add auxiliary system is that the mode of mechanical seal liquid container 20 is to mechanical seal feed flow, to prevent mechanical seal dry grinding.Fan assembly and centrifugal pump adopt a driving arrangement, as long as equipment operation fan assembly is just always at self-priming, in the time there is medium cutout, in vapour-liquid valve blocking component, medium liquid level declines, medium floating drum 8 sinks, and dielectric valve is opened, and air valve blocks, fan assembly sucts again, has prevented that centrifugal pump from dallying for a long time.Solved top while unloading centrifugal pump suction line 23 be inverted U-shaped, gas is deposited on suction line top, the problem that common self-priming machine discharge opeing and exhaust condition cannot be changed in time.When scene produces without cutout situation and requires to realize while being pump trip after the interior medium of groove tank 24 is found time, can increase pressure switch 13 at outlet of centrifugal pump, as long as groove tank 24 is found time, centrifugal pump is interior without medium, pump internal pressure declines, pressure switch spreads out of electrical signal to control room electrical distribution system, and control motor shuts down and realizes pump trip.According to the actual service condition of pump, be designed to A, B, C, D, five kinds of structures of E, horizontal, vertical, three kinds of forms of hand-pushing, pump shaft and two positions of motor shaft are divided in belt transmission position.Wherein A type is dismantle motor or fan of diesel engine, the drive part using fan diameter of axle position as fan assembly, and the gas of being discharged by blower fan after fan assembly running is lowered the temperature to motor or diesel engine.Type B is that centrifugal pump shaft is lengthened, and fan assembly is contained in before coupling pump end 25, and the gas that fan assembly is discharged is connected to atmosphere or recovery line.C type is to lengthen motor or diesel oil arbor, and fan assembly is contained in to coupling motor side 26 rear portions, and the gas that fan assembly is discharged is connected to atmosphere or recovery line.D type is belt transmission, and drive end belt pulley is arranged on pump shaft end or motor side.Fan assembly is gas ring vacuum pump formula.E type is belt transmission, and drive end belt pulley is arranged on pump shaft end or motor side.Fan assembly is Roots pump formula.
In centrifugal pump suction line 23 one end insertion groove tanks 24, the other end is connected with centrifugal pump 15 entrances, the single mechanical end face seal of additional washing solution or double mechanical seal 16 are arranged in the Seal cage of centrifugal pump 15, and liquid container is arranged on pump-foot or away from floor installation depending on on-site actual situations.Pump discharge threeway 14 is arranged on the outlet port of centrifugal pump 15, is connected with the gas-liquid control valve 9 in pump discharge pipeline and vapour-liquid valve blocking component 12.Gas-liquid control valve 9 is contained in shell 5 bottoms, and dielectric valve seal plug 7, medium floating drum 8, the cover 4 of turning one's coat, air valve stifled 2 are connected in turn by a bar.Dielectric valve sealing plate 6 is being turned one's coat between cover 4 and dielectric valve seal plug 7, and air valve sealing plate 3 is at air valve stifled 2 and turn one's coat between cover 4, welds together in the enclosure with dielectric valve sealing plate.Protective housing 1 covers on outside air valve stifled 2, and the air valve suction port 11 on it is connected with atmosphere.Air valve relief opening 10 is connected with fan assembly entrance by fans entrance pipeline 21.A, B, C type fan assembly are made up of wind wheel 17 and Fan casing 19, and D type fan assembly is mainly made up of gas ring vacuum pump, and E type fan assembly is mainly made up of Roots pump.According to the actual service condition of pump, be designed to horizontal, vertical, three kinds of forms of hand-pushing.Wherein A type is dismantle motor or fan of diesel engine, the drive part using fan diameter of axle position as fan assembly, and the gas of being discharged by blower fan after fan assembly running is lowered the temperature to motor or diesel engine.Type B is that centrifugal pump shaft is lengthened, and fan assembly is contained in before coupling pump end 25, and the gas that fan assembly is discharged is connected to atmosphere or recovery line.C type is to lengthen motor or diesel oil arbor, and fan assembly is contained in to coupling motor side 26 rear portions, and the gas that fan assembly is discharged is connected to atmosphere or recovery line.D type is belt transmission, and drive end belt pulley is arranged on pump shaft end or motor side.E type is belt transmission, and drive end belt pulley is arranged on pump shaft end or motor side.When medium finds time to be pump trip in needs are realized groove tank, increase pressure switch 13 on pump discharge pipeline, pressure switch is connected to control room electrical distribution system.
Claims (8)
1. one kind
one machine biobelt self-priming pump, comprises centrifugal pump, vapour-liquid valve blocking component, fan assembly, mechanical seal and auxiliary system thereof, it is characterized in that, centrifugal pump is arranged on pump-foot, fan assembly directly string directly drives by axle on pump or motor shaft, or be independent of centrifugal pump and be placed in by centrifugal pump, by being arranged on the belt pulley transmission on pump or motor shaft, and communicate with vapour-liquid valve blocking component by fans entrance pipeline, vapour-liquid valve blocking component vacuumizes with the control switch of idling conditions conversion and is connected with centrifugal pump by pump discharge threeway as blower fan, the single mechanical end face seal of additional washing solution or double mechanical seal are arranged in the Seal cage of centrifugal pump, can provide outside washing solution according to field condition is single mechanical end face seal, otherwise selecting double mechanical seal to join liquid container is auxiliary system, liquid container is arranged on pump-foot or away from floor installation depending on on-site actual situations.
2. according to claim 1
one machine biobelt self-priming pump, it is characterized in that, the driving arrangement of self-priming pump is motor or diesel engine, fan assembly divides two kinds of driving mode, the fan assembly that a kind of driving mode is made up of wind wheel and Fan casing is directly installed on motor or diesel engine front and back axle head or centrifugal pump shaft, drive by motor shaft or pump shaft, this driving mode fan assembly has three mounting points: the first is arranged on motor or diesel oil arbor front end, the second motor or diesel engine shaft rear end, on the third centrifugal pump shaft, another kind of driving mode is that belt pulley is housed on fan assembly, drive by belt pulley, the belt pulley of drive end has two mounting points: the first is arranged on motor or diesel oil arbor front end, the second is arranged on centrifugal pump shaft place.
3. according to claim 1
one machine biobelt self-priming pump, it is characterized in that, fan assembly is directly installed on centrifugal pump pump shaft end or motor/diesel engine antero posterior axis and is driven by pump shaft or motor antero posterior axis, or is arranged on centrifugal pump side and is driven by the belt pulley being arranged on pump shaft or motor/diesel oil arbor.
4. according to claim 1
one machine biobelt self-priming pump, it is characterized in that three kinds of impeller of blower combined types, gas ring vacuum pump formula, Roots pump formula.
5. according to claim 1
one machine biobelt self-priming pump, it is characterized in that, vapour-liquid valve blocking component is by air valve, dielectric valve and gas-liquid control valve three part compositions, air valve is by protective housing, air valve is stifled, air valve sealing plate, the cover of turning one's coat, shell composition, dielectric valve is by dielectric valve sealing plate, dielectric valve seal plug, medium floating drum composition, air valve relief opening one end communicates with air valve sealing plate bottom, the other end machine entrance pipe of giving a dinner for a visitor from afar, air valve suction port connects atmosphere, the cross Flow Velocity of gas-liquid control valve with adjustments of gas and medium established in dielectric valve bottom, when centrifugal pump pump priming, medium floating drum is in extreme lower position, vapour-liquid valve blocking component Air Valve blocks up and air valve sealing plate closure, dielectric valve sealing plate is thrown off with dielectric valve seal plug, when centrifugal pump runs well, medium floating drum rises, vapour-liquid valve blocking component Air Valve is stifled throws off with air valve sealing plate, dielectric valve sealing plate is with dielectric valve seal plug closure, by the closed and unlatching of height of liquid level control vapour-liquid valve blocking component Air Valve and dielectric valve in centrifugal pump, ensure that fan assembly vacuumizes and the conversion of unloaded state without shutting down to realize.
6. according to claim 1
one machine biobelt self-priming pump, it is characterized in that, self-priming pump form is divided horizontal fixed, Horizontal manual pushing-type, vertical fixed, four kinds of forms of vertical hand push.
7. according to claim 1
one machine biobelt self-priming pump, it is characterized in that, select additional washing solution
single mechanical end face sealmode to mechanical seal feed flow.
8. according to claim 1
one machine biobelt self-priming pump, it is characterized in that, select
double mechanical sealadd auxiliary system and be the mode of mechanical seal liquid container to mechanical seal feed flow.
9. according to claim 1
one machine biobelt self-priming pump, it is characterized in that, outlet of centrifugal pump is established pressure switch and is realized self-priming pump pump trip.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420082035.XU CN203809309U (en) | 2014-02-26 | 2014-02-26 | Double-belt self-priming pump |
Applications Claiming Priority (1)
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CN201420082035.XU CN203809309U (en) | 2014-02-26 | 2014-02-26 | Double-belt self-priming pump |
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Publication Number | Publication Date |
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CN203809309U true CN203809309U (en) | 2014-09-03 |
Family
ID=51448067
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Application Number | Title | Priority Date | Filing Date |
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CN201420082035.XU Expired - Lifetime CN203809309U (en) | 2014-02-26 | 2014-02-26 | Double-belt self-priming pump |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103850944A (en) * | 2014-02-26 | 2014-06-11 | 崔正军 | Dual-belt self-sucking pump |
CN112145444A (en) * | 2020-09-01 | 2020-12-29 | 江苏陆地方舟新能源车辆股份有限公司 | Water pump and vacuum pump integrated machine |
-
2014
- 2014-02-26 CN CN201420082035.XU patent/CN203809309U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103850944A (en) * | 2014-02-26 | 2014-06-11 | 崔正军 | Dual-belt self-sucking pump |
CN112145444A (en) * | 2020-09-01 | 2020-12-29 | 江苏陆地方舟新能源车辆股份有限公司 | Water pump and vacuum pump integrated machine |
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Effective date of registration: 20171214 Address after: 110000 Liaoning city of Shenyang Province Hunnan New District on 6 street Patentee after: LIAONING GERUITE PUMP INDUSTRY CO.,LTD. Address before: 110179 Liaoning city of Shenyang Province Hunnan New District on 6 street Patentee before: Cui Zhengjun |
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