CN207278528U - A kind of vacuum water diversion device - Google Patents
A kind of vacuum water diversion device Download PDFInfo
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- CN207278528U CN207278528U CN201721134599.3U CN201721134599U CN207278528U CN 207278528 U CN207278528 U CN 207278528U CN 201721134599 U CN201721134599 U CN 201721134599U CN 207278528 U CN207278528 U CN 207278528U
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Abstract
The utility model discloses a kind of vacuum water diversion device, including vacuum tank, tank body vacuum-pumping tube is connected on vacuum tank, tank body vacuum-pumping tube is connected with vacuum pump set, water pump vacuum-pumping tube is further connected with vacuum tank, water pump vacuum-pumping tube is connected with water pump cover, end water pump vacuum-pumping tube when being full of water in water pump cover being equipped with water pump vacuum-pumping tube, the water that water pump vacuum-pumping tube turns on is set only to switch when underfill water in water pump cover, the vacuum water diversion device is simple in structure, whether water is full of using in mechanical system differential centrifugation pump case, and automatic water-leading, make to be full of water in centrifugal pump shell body all the time, centrifugal pump is at any time can be with starting state, it is stable and reliable in work.
Description
Technical field
A kind of priming device of centrifugal pump is the utility model is related to, it is especially a kind of to make centrifugal pump casing using negative pressure of vacuum
The priming device of interior pre- water-filling.
Background technology
Need to make pump case be full of water before pump startup is centrifuged when centrifugal pump draws water for low level water source, so could normally open
It is dynamic.When centrifugal pump low level water source of the prior art draws water, usually water suction pipe end installation bottom valve, before pump startup is centrifuged to
Water filling in pump case, so that being full of water in pump case.Although it can realize that low level water source is taken out using the centrifugal pump of this bottom valve structure
Water, still, it is necessary to which the water suction resistance for overcoming bottom valve to be formed, makes centrifugal pump produce useless acting in water pump normal course of operation,
Therefore, the work efficiency of centrifugal pump is influenced, increases power consumption.In order to overcome this defect, it has been developed that vacuum water diversion,
I.e.：The air in centrifugal pump shell body is extracted out with vacuum pump before pump startup is centrifuged, forms negative pressure, in the effect of atmospheric pressure
Under, the water at low level water source enters pump case by the suction hose of centrifugal pump, makes to be full of water in pump case, ensures that centrifugal pump normally starts.This
Kind vacuum water diversion mode reduces the water suction resistance of water pump, improves the work efficiency of water pump, has saved electric energy.CN
103148345 A disclose a kind of Water-saving full automatic and often hang vacuum plant, which can realize automatic water-leading.But should
Device is controlled using PLC, and dress centers multiple electric transducers, and therefore, the apparatus structure is complicated, stability is poor, high failure rate,
Also, when often hang vacuum plant power supply break down when, priming device will be unable to work normally, to production bring it is many not
Just.
Utility model content
Utility model technical problems to be solved are：A kind of vacuum water diversion device is provided, vacuum water diversion device structure letter
It is single, using water, and automatic water-leading whether is full of in mechanical system differential centrifugation pump case, make to be full of all the time in centrifugal pump shell body
Water, centrifugal pump is at any time can be stable and reliable in work with starting state.
The technical solution adopted for solving the technical problem：A kind of vacuum water diversion device, including vacuum tank, connect on vacuum tank
There is tank body vacuum-pumping tube, tank body vacuum-pumping tube is connected with vacuum pump set, and water pump vacuum-pumping tube, water pump are further connected with vacuum tank
Vacuum-pumping tube is connected with water pump cover, vacuumizes water pump when being full of water in water pump cover being equipped with water pump vacuum-pumping tube
Pipe cut-off, the water for turning on water pump vacuum-pumping tube when underfill water in water pump cover only switch, and the water, which only switchs, includes one
The water tank of sealing, is equipped with exhausting-gas hole, exhausting-gas hole is connected with vacuum tank side water pump vacuum-pumping tube, in water tank at the top of water tank
Bottom is equipped with inlet opening, and inlet opening connects with water pump shell side water pump vacuum-pumping tube, is equipped with the water tank below exhausting-gas hole
Floating ball cylinder, is provided with the guide hole for making to be connected inside floating ball cylinder with water tank on floating ball cylinder, in floating ball cylinder be equipped with can float or
The floating ball of sinking, floating ball float or sink to making exhausting-gas hole be in open or close state.
Improvement as the utility model：Water level sensor is additionally provided with water tank, in water tank exhausting-gas hole and vacuum
Water pump vacuum-pumping tube between tank is equipped with electrically operated valve.
As further improvement of the utility model：Manual vent, manual vent are additionally provided with the top of water tank
Manually exhaust pipe is connected with vacuum tank, and manual exhaust valve is equipped with manual exhaust pipe.
Further improvement as the utility model：Blow-off pipe is equipped with the bottom of vacuum tank, is equipped with blow-off pipe
Sewage draining valve.
Further as the utility model is improved：The water tank by cylinder with the end and can by nozzle seal
Cover is formed, and the exhausting-gas hole and manual vent are arranged on cover.
Another kind as the utility model improves：The water tank is fixed on the top of vacuum tank, the bottom of water tank
Higher than pump outlet.
Inside tank body vacuum-pumping tube insertion vacuum tank, the mouth of pipe of the tank body vacuum-pumping tube in vacuum tank is close to vacuum tank bottom
Portion.
Preferred plan as the utility model：Water pump vacuum-pumping tube between water pump cover and water tank is connected along water pump
Housing rises situation to water tank direction in continuous.
Beneficial effect：The vacuum water diversion device of the utility model includes vacuum as a result of the vacuum water diversion device
Tank, is connected to tank body vacuum-pumping tube on vacuum tank, and tank body vacuum-pumping tube is connected with vacuum pump set, and water is further connected with vacuum tank
Pumping vacuum tube, water pump vacuum-pumping tube are connected with water pump cover, are equipped with water pump vacuum-pumping tube and are full of when in water pump cover
The cut-off of water pump vacuum-pumping tube, the water for turning on water pump vacuum-pumping tube when underfill water in water pump cover is set only to switch during water, institute
State water and stop the water tank for switching and including a sealing, exhausting-gas hole is equipped with the top of water tank, exhausting-gas hole is taken out true with vacuum tank side water pump
Blank pipe connects, and is equipped with inlet opening in water storage pot bottom, inlet opening is connected with water pump shell side water pump vacuum-pumping tube, under exhausting-gas hole
Floating ball cylinder is equipped with the water tank of side, the guide hole for making to be connected inside floating ball cylinder with water tank is provided with floating ball cylinder, in floating ball cylinder
It is interior equipped with the floating ball that can be floated or sink, floating ball floats or sinks the technical side for making exhausting-gas hole be in open or close state
Case, only switchs to differentiate in pump case whether be full of water by using mechanical floating ball water, and controls leading for water pump vacuum-pumping tube
Logical or cut-off, so as to fulfill automatic water-leading, makes centrifugal pump all the time in can be with starting state, by vacuum tank in the course of work
Negative pressure absorbs water, and not only avoids the frequent starting of vacuum pump, and also achieve after power failure still can automatic water-leading, work is steady
Fixed, reliability is high.As a result of being additionally provided with water level sensor in water tank, between water tank exhausting-gas hole and vacuum tank
Water pump vacuum-pumping tube is equipped with the technical characteristic of electrically operated valve, by setting water level sensor and the motor-driven valve supporting with it, makes
The vacuum water diversion device of the utility model be provided simultaneously with Mechanical course and electric transducer control two kinds of control modes, equipment can
By property higher.As a result of being additionally provided with manual vent at the top of water tank, manual vent manually exhaust pipe with
Vacuum tank connects, and the technical characteristic of manual exhaust valve is equipped with manual exhaust pipe, fills the vacuum water diversion of the utility model
Put and be provided simultaneously with that machine automatization, fax is automatic and manually three kinds of control models, further increase the reliability of equipment, make
The vacuum water diversion device of the utility model can meet the requirement to centrifugal pump diversion in various uninterrupted water supply units.Due to adopting
With blow-off pipe is equipped with the bottom of vacuum tank, the technical characteristic of sewage draining valve is equipped with blow-off pipe, makes the product at vacuum tank bottom
Water can be discharged easily in time, and the energy stores space of bigger is provided for priming device.As a result of the water tank by
Cylinder with the end and the cover that can seal nozzle are formed, and the exhausting-gas hole and manual vent are arranged on the technology on cover
Feature, makes the production of water tank part in the vacuum water diversion device of the utility model and assembling more convenient.As a result of described
Water tank is fixed on the top of vacuum tank, and water storage pot bottom is higher than the technical characteristic of pump outlet, further optimizes this reality
With the structure of new vacuum water diversion device, the water-filling effect of centrifugal pump casing more ensure that.Vacuumized as a result of tank body
Inside pipe insertion vacuum tank, technical characteristic of the mouth of pipe of the tank body vacuum-pumping tube in vacuum tank close to vacuum pot bottom so that tank
In vivo a small amount of ponding can be by vacuum pump set pump drainage to tank body outside so that tank body keeps larger volume.Due to using
Water pump vacuum-pumping tube between connection water pump cover and water tank rises situation along water pump cover to water tank direction in continuous
Technical characteristic, the gas be on the one hand conducive in centrifugal pump shell body enters water tank along water pump vacuum-pumping tube, makes centrifugation in real time
Pump case remain it is water-filled can be with starting state, on the other hand when centrifugal pump shell air inlet, water in water tank can be with
Water tank is discharged along water pump vacuum-pumping tube, declines floating ball, open exhausting-gas hole, makes the gas in water tank enter vacuum tank.
Brief description of the drawings
The vacuum water diversion device of the utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structure diagram of the vacuum water diversion device of the utility model.
Embodiment
As shown in Figure 1, the vacuum water diversion device of the utility model, including vacuum tank 1, it is equipped with blowdown in the bottom of vacuum tank
Pipe 17, is equipped with sewage draining valve 18 on blow-off pipe, and tank body vacuum-pumping tube 16 is connected on vacuum tank, and the insertion of tank body vacuum-pumping tube is true
Inside slack tank, the mouth of pipe of the tank body vacuum-pumping tube in vacuum tank close to vacuum pot bottom, the other end of tank body vacuum-pumping tube with it is true
Empty unit 2 is connected, and water pump vacuum-pumping tube is further connected with vacuum tank（8、15）, water pump vacuum-pumping tube is connected with water pump cover
It is logical, be equipped with water pump vacuum-pumping tube when be full of water in water pump cover end water pump vacuum-pumping tube, when in water pump cover not
The water that water pump vacuum-pumping tube turns on is set only to switch during full of water, the water stops the water tank 3 for switching and including a sealing, in water tank
Top is equipped with exhausting-gas hole 11, and exhausting-gas hole is connected with vacuum tank side water pump vacuum-pumping tube 15, and inlet opening 6 is equipped with water storage pot bottom,
Inlet opening is connected with water pump shell side water pump vacuum-pumping tube 8, floating ball cylinder 13 is equipped with the water tank below exhausting-gas hole, in floating ball
One or more guide holes 14 for making to connect with water tank inside floating ball cylinder are provided with cylinder, in floating ball cylinder equipped with can float or under
Heavy floating ball 12, floating ball float or sink to making exhausting-gas hole be in open or close state.
Preferably, water level sensor 4 is additionally provided with water tank, the water pump between water tank exhausting-gas hole and vacuum tank is taken out
Vacuum tube is equipped with electrically operated valve 10, manual vent 9 is additionally provided with the top of water tank, manual vent is manually vented
Pipe 7 is connected with vacuum tank, and manual exhaust valve 5 is equipped with manual exhaust pipe.The water tank is preferably by cylinder 32 with the end
With can by nozzle seal cover 31 form, the exhausting-gas hole and manual vent are arranged on cover, and the water tank is consolidated
The top of vacuum tank is scheduled on, the extreme position that floating ball floats should be higher than that pump outlet, preferably, the bottom of water tank is also high
In pump outlet, the water pump vacuum-pumping tube between water pump cover and water tank is connected along water pump cover to water tank direction in company
It is continuous to rise situation.
Claims (8)
1. a kind of vacuum water diversion device, including vacuum tank, be connected to tank body vacuum-pumping tube on vacuum tank, tank body vacuum-pumping tube with it is true
Empty unit is connected, and water pump vacuum-pumping tube is further connected with vacuum tank, water pump vacuum-pumping tube is connected with water pump cover, in water pump
Vacuum-pumping tube be equipped with makes when be full of water in water pump cover water pump vacuum-pumping tube end, when underfill water in water pump cover when make
The water of water pump vacuum-pumping tube conducting only switchs, it is characterized in that：The water stops the water tank for switching and including a sealing, in water storage tank deck
Portion is equipped with exhausting-gas hole, and exhausting-gas hole is connected with vacuum tank side water pump vacuum-pumping tube, and inlet opening is equipped with water storage pot bottom, inlet opening with
The water pump vacuum-pumping tube connection of water pump shell side, is equipped with floating ball cylinder, being provided with floating ball cylinder makes in the water tank below exhausting-gas hole
Guide hole connect with water tank inside floating ball cylinder, equipped with the floating ball that can be floated or sink in floating ball cylinder, floating ball floating or under
It is heavy exhausting-gas hole is in open or close state.
2. vacuum water diversion device according to claim 1, it is characterized in that：Water level sensor is additionally provided with water tank,
Water pump vacuum-pumping tube between water tank exhausting-gas hole and vacuum tank is equipped with electrically operated valve.
3. vacuum water diversion device according to claim 1 or 2, it is characterized in that：Manual row is additionally provided with the top of water tank
Stomata, manually exhaust pipe connects manual vent with vacuum tank, and manual exhaust valve is equipped with manual exhaust pipe.
4. vacuum water diversion device according to claim 3, it is characterized in that：Blow-off pipe is equipped with the bottom of vacuum tank, is being arranged
Dirty pipe is equipped with sewage draining valve.
5. vacuum water diversion device according to claim 1, it is characterized in that：The water tank is by cylinder with the end and can incite somebody to action
The cover of nozzle sealing is formed, and the exhausting-gas hole and manual vent are arranged on cover.
6. vacuum water diversion device according to claim 4, it is characterized in that：The water tank is fixed on the top of vacuum tank,
The bottom of water tank is higher than pump outlet.
7. vacuum water diversion device according to claim 3, it is characterized in that：Inside tank body vacuum-pumping tube insertion vacuum tank, tank
The mouth of pipe of the body vacuum-pumping tube in vacuum tank is close to vacuum pot bottom.
8. vacuum water diversion device according to claim 6, it is characterized in that：Connect the water pump between water pump cover and water tank
Vacuum-pumping tube rises situation along water pump cover to water tank direction in continuous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721134599.3U CN207278528U (en) | 2017-09-06 | 2017-09-06 | A kind of vacuum water diversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721134599.3U CN207278528U (en) | 2017-09-06 | 2017-09-06 | A kind of vacuum water diversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207278528U true CN207278528U (en) | 2018-04-27 |
Family
ID=61989955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721134599.3U Active CN207278528U (en) | 2017-09-06 | 2017-09-06 | A kind of vacuum water diversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207278528U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076102A (en) * | 2020-08-17 | 2022-02-22 | 赫尔产品公司 | Dual start system for a pump |
-
2017
- 2017-09-06 CN CN201721134599.3U patent/CN207278528U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076102A (en) * | 2020-08-17 | 2022-02-22 | 赫尔产品公司 | Dual start system for a pump |
| CN114076102B (en) * | 2020-08-17 | 2024-01-05 | 赫尔产品公司 | Dual start system for pump |
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