CN104847012A - Pump house water outlet pressure well - Google Patents
Pump house water outlet pressure well Download PDFInfo
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- CN104847012A CN104847012A CN201510309140.1A CN201510309140A CN104847012A CN 104847012 A CN104847012 A CN 104847012A CN 201510309140 A CN201510309140 A CN 201510309140A CN 104847012 A CN104847012 A CN 104847012A
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- pressure well
- discharge pressure
- outlet pipe
- water pump
- water outlet
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Abstract
The invention discloses a pump house water outlet pressure well at least comprising a water collection chamber communicated with a water inlet pipe and a water outlet pressure well body adjacent to the water collection chamber. A water pump unit used for lifting wastewater in the water collection chamber is arranged in the water collection chamber and comprises a lift pump and a water pump unit water outlet pipe communicated with the lift pump, and the water pump unit water outlet pipe is connected to the water outlet pressure well body. A pressure well water outlet pipe used for discharging wastewater in the water outlet pressure well body is further arranged on the water outlet pressure well body. A combined valve used for exhausting and regulating pressure in the water outlet pressure well body is arranged on the upper portion of the water outlet pressure well body. The upper end of the water outlet pressure well body is provided with a pressure well cover plate, and the combined valve is connected with the water outlet pressure well body through the pressure well cover plate. The pump house water outlet pressure well is low in height and high in use safety, wastewater in the water outlet pressure well body can be avoided being in contact with the atmosphere, and pollution of the wastewater to the environment is lowered.
Description
Technical field
The present invention relates to technical field of sewage, particularly relate to a kind of pump house discharge pressure well.
Background technology
At present, the wet well of draining pump house adopts two kinds of form of structure usually, i.e. open type wet well and discharge pressure well.The harmony that the design height of open type wet well needs the peak level of consideration water outlet and water pump all standing to be formed is high, in order to meet instructions for use, and the height that General Requirements is higher.But the increase of wet well height, not only has influence on the view around wet well, also the safety protection facility of pump house is had higher requirement simultaneously.Along with the continuous lifting that urban construction requires view, the contradiction of drainage pumping plant and surrounding enviroment also becomes increasingly conspicuous, and is exactly the outstanding embodiment of this contradiction to the clearly restriction of pump house height.Therefore, applying of open type wet well is subject to certain restrictions.
Relative open type wet well, the requirement of discharge pressure well to the height of wet well is lower, but this pressure well must separately establish ventilative well, and the height of ventilative well is higher, still larger on the impact of the view around wet well.The more important thing is, if arranging of ventilative well height is unreasonable, the phenomenon that sewage goes out from ventilative blowout easily occurs when water pump turn on pump or all standing, easily causes the generation of accident.
Therefore, those skilled in the art need that a kind of height of research is lower, safety in utilization is higher, can avoid the pump house discharge pressure well of sewage in discharge pressure well and atmosphere badly.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide that a kind of height is lower, safety in utilization is higher, can avoid the pump house discharge pressure well of sewage in discharge pressure well and atmosphere.
For achieving the above object, the invention provides a kind of pump house discharge pressure well, at least comprising the collecting chamber and the discharge pressure well adjacent with described collecting chamber that are communicated with water inlet pipe, in described collecting chamber, being provided with the water pump assembly for promoting sewage in described collecting chamber; The water pump assembly outlet pipe that described water pump assembly comprises lift pump and is communicated with described lift pump, described water pump assembly outlet pipe is connected to described discharge pressure well; The aboveground pressure well outlet pipe be also provided with for discharging sewage in described discharge pressure well of described discharge pressure; The top of described discharge pressure well is provided with the combination valve for being vented and regulating described discharge pressure borehole pressure; The upper end of described discharge pressure well is provided with pressure manhole cover plate, and described combination valve is connected with described discharge pressure well by described pressure manhole cover plate.
Preferably, described combination valve at least comprises outlet valve and safety valve.
Preferably, described combination valve also comprises gate valve.
Preferably, the end of described water pump assembly outlet pipe is also provided with buoyancy tank flap valve.
Preferably, be also provided with preformed hole between described collecting chamber and described discharge pressure well, the absolute altitude of described preformed hole is lower than the absolute altitude of described water pump assembly outlet pipe; The end of described preformed hole is also provided with wall-attachment buoyancy tank flap valve.
Preferably, described water pump assembly outlet pipe is provided with two flange limit expansion joint; Described pair of flange limit expansion joint is arranged at the described nearly corner of water pump assembly outlet pipe.
Preferably, described water pump assembly outlet pipe and described pressure well outlet pipe all adopt cast iron materials.
Beneficial effect of the present invention:
Pump house discharge pressure well of the present invention, owing to being provided with for being vented and the combination valve of adjusting water outlet pressure borehole pressure in the upper end of discharge pressure well, thus traditional ventilative well can be replaced, reduce the height of pump house discharge pressure well, also reduce the input to safety device because pump house discharge pressure well height is too high simultaneously, save cost, improve the view around pump house discharge pressure well.On the other hand, owing to eliminating ventilative well, the height avoided due to ventilative well arranges unreasonable and at water pump turn on pump, or the phenomenon that sewage goes out from ventilative blowout occurs during all standing, improves the safety that pump house wet well uses.
Owing to adopting the combination valve of outlet valve and safety valve combination, when water level in discharge pressure well is lower, a small amount of gas in air can be discharged by outlet valve and without the need to opening discharge pressure manhole cover plate, avoids sewage with the direct of air to contact, and reduces the pollution of sewage to ambient air.The use of safety valve, when can ensure that air pressure in discharge pressure well is larger, discharge the gas in discharge pressure well fast, avoid only relying on outlet valve emission gases to be the shriek formed, avoid noise pollution, improve the environment of pump house discharge pressure well periphery.In addition, the harmony height formed during water pump all standing also can be discharged by safety valve, protects discharge pressure well and water pump further.
Owing to being provided with free buoyancy tank flap valve in the end of water pump assembly outlet pipe, when water pump open-type, flap valve is automatically opened under buoyancy of water effect, and sewage is constantly input in discharge pressure well by water pump assembly, and is discharged by discharge pressure well outlet pipe; When water pump assembly is out of service, flap valve is closed under gravity automatically, prevents the backing up of sewage in pressure well from returning in collecting chamber.
Be arranged at the two flange limit expansion joints on water pump assembly outlet pipe, pipeline free-extension within the specific limits can be allowed, effectively ensure that the safe operation of water pump assembly outlet pipe.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is the plane structure schematic diagram of one embodiment of the invention.
Fig. 2 is the sectional structure schematic diagram of 1-1 in Fig. 1.
Detailed description of the invention
As depicted in figs. 1 and 2, the present embodiment proposes a kind of pump house discharge pressure well.As shown in Figure 2, this pump house discharge pressure well comprises the collecting chamber 2 and the discharge pressure well 3 adjacent with collecting chamber 2 that are communicated with water inlet pipe 1.
The water pump assembly for promoting sewage in collecting chamber 2 is provided with in collecting chamber 2.The water pump assembly outlet pipe 42 that water pump assembly comprises lift pump 41 and is communicated with lift pump 41, water pump assembly outlet pipe 42 is connected to discharge pressure well 3.Discharge pressure well 3 is also provided with the pressure well outlet pipe 31 for discharging sewage in discharge pressure well.
Wherein, in order to reduce in the later stage sewage quantity resided in discharge pressure well as much as possible, the absolute altitude of pressure well outlet pipe 31 is lower than the absolute altitude of water pump assembly outlet pipe 42.
As depicted in figs. 1 and 2, the top of discharge pressure well 3 is provided with by the outlet valve 32 for being vented, and the combination valve that the safety valve 33 of adjusting water outlet pressure borehole pressure forms.The upper end of discharge pressure well 3 is provided with pressure manhole cover plate 34, and combination valve is connected with discharge pressure well 3 by pressure manhole cover plate 34.
Owing to being provided with for being vented and the combination valve of adjusting water outlet pressure borehole pressure in the upper end of discharge pressure well, thus traditional ventilative well can be replaced, reduce the height of pump house discharge pressure well, also reduce the input to safety device because pump house discharge pressure well height is too high simultaneously, save cost, improve the view around pump house discharge pressure well.On the other hand, owing to eliminating ventilative well, the height avoided due to ventilative well arranges unreasonable and at water pump turn on pump, or the phenomenon that sewage goes out from ventilative blowout occurs during all standing, improves the safety that pump house wet well uses.
Owing to adopting the combination valve of outlet valve and safety valve combination, when water level in discharge pressure well is lower, a small amount of gas in air can be discharged by outlet valve and without the need to opening discharge pressure manhole cover plate, avoids sewage with the direct of air to contact, and reduces the pollution of sewage to ambient air.The use of safety valve, when can ensure that air pressure in discharge pressure well is larger, discharge the gas in discharge pressure well fast, avoid only relying on outlet valve emission gases to be the shriek formed, avoid noise pollution, improve the environment of pump house discharge pressure well periphery.
The harmony height formed during water pump all standing also can be discharged by safety valve, protects discharge pressure well and water pump further.
In order to be convenient to the maintenance of pump house discharge pressure well further, in this combination valve, being also provided with gate valve 35, when needs keep in repair outlet valve and safety valve, operational system can being closed by gate valve, be convenient to maintenance.
As shown in Figure 2, in order to prevent backing up of sewage in pressure well from returning collecting chamber, buoyancy tank flap valve 43 is also provided with in the end of water pump assembly outlet pipe 42.When water pump open-type, flap valve is automatically opened under buoyancy of water effect, and sewage is constantly input in discharge pressure well by water pump assembly, and is discharged by discharge pressure well outlet pipe; When water pump assembly is out of service, flap valve is closed under gravity automatically, prevents the backing up of sewage in pressure well from returning in collecting chamber.
As preferably, between collecting chamber and discharge pressure well, be also provided with preformed hole 5, the absolute altitude of preformed hole is lower than the absolute altitude of water pump assembly outlet pipe, and the end of preformed hole is also provided with wall-attachment buoyancy tank flap valve 51.
In order to ensure the normal operation of water pump assembly, water pump assembly outlet pipe 42 is provided with two flange limit expansion joint 44, two flange limit expansion joint 44 is arranged in the pipeline of the nearly corner of water pump assembly outlet pipe 42.Two flange limit expansion joint, can allow pipeline free-extension within the specific limits, avoids the safe operation affecting water pump assembly outlet pipe because current during turn on pump make pipeline occur local distortion on the impact of pipeline.
Due to may containing the corrosive substance such as acid-alkali salt in sewage, water pump assembly outlet pipe and pressure well outlet pipe preferably adopt that cost is lower, the good cast iron materials of corrosion resistance.
In other embodiments, also can adopt other material according to the water quality of locality, will not enumerate at this.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technician in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (3)
1. a pump house discharge pressure well, at least comprises the collecting chamber and the discharge pressure well adjacent with described collecting chamber that are communicated with water inlet pipe, it is characterized in that, being provided with the water pump assembly for promoting sewage in described collecting chamber in described collecting chamber; The water pump assembly outlet pipe that described water pump assembly comprises lift pump and is communicated with described lift pump, described water pump assembly outlet pipe is connected to described discharge pressure well; The aboveground pressure well outlet pipe be also provided with for discharging sewage in described discharge pressure well of described discharge pressure; The top of described discharge pressure well is provided with the combination valve for being vented and regulating described discharge pressure borehole pressure; The upper end of described discharge pressure well is provided with pressure manhole cover plate, and described combination valve is connected with described discharge pressure well by described pressure manhole cover plate; Described combination valve at least comprises outlet valve and safety valve; The end of described water pump assembly outlet pipe is also provided with buoyancy tank flap valve; Also be provided with preformed hole between described collecting chamber and described discharge pressure well, the absolute altitude of described preformed hole is lower than the absolute altitude of described water pump assembly outlet pipe; The end of described preformed hole is also provided with wall-attachment buoyancy tank flap valve; Described water pump assembly outlet pipe is provided with two flange limit expansion joint; Described pair of flange limit expansion joint is arranged at the described nearly corner of water pump assembly outlet pipe.
2. pump house discharge pressure well as claimed in claim 1, it is characterized in that, described combination valve also comprises gate valve.
3. pump house discharge pressure well as claimed in claim 1 or 2, it is characterized in that, described water pump assembly outlet pipe and described pressure well outlet pipe all adopt cast iron materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510309140.1A CN104847012A (en) | 2015-06-08 | 2015-06-08 | Pump house water outlet pressure well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510309140.1A CN104847012A (en) | 2015-06-08 | 2015-06-08 | Pump house water outlet pressure well |
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| Publication Number | Publication Date |
|---|---|
| CN104847012A true CN104847012A (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510309140.1A Pending CN104847012A (en) | 2015-06-08 | 2015-06-08 | Pump house water outlet pressure well |
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| JP2000080715A (en) * | 1998-09-07 | 2000-03-21 | Aron Kasei Co Ltd | Manhole pump system, height adjusting mechanism used therefor and universal joint |
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| CN104067755A (en) * | 2014-06-12 | 2014-10-01 | 上海华维节水灌溉有限公司 | Movable irrigation and fertilization head |
| CN104500455A (en) * | 2014-12-15 | 2015-04-08 | 樊建苗 | Double-layer bidirectional flow passage system of vertical submersible axial-flow pump |
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2015
- 2015-06-08 CN CN201510309140.1A patent/CN104847012A/en active Pending
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|---|---|---|---|---|
| JP2000080715A (en) * | 1998-09-07 | 2000-03-21 | Aron Kasei Co Ltd | Manhole pump system, height adjusting mechanism used therefor and universal joint |
| JP2002070782A (en) * | 2000-09-01 | 2002-03-08 | Ebara Corp | Vertical pump unit |
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| CN202324070U (en) * | 2011-11-16 | 2012-07-11 | 陈立新 | Constant-pressure water supply unit for golf course spray pump station |
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| CN203096830U (en) * | 2013-01-23 | 2013-07-31 | 菏泽市金仓压力容器有限公司 | Intelligent type inner and outer enamel full-automatic non-tower water feeder |
| CN104060675A (en) * | 2013-03-21 | 2014-09-24 | 上海市城市排水有限公司 | Constant water level discharge system for municipal wastewater collecting well and discharge method of constant water level discharge system |
| CN203654393U (en) * | 2014-01-06 | 2014-06-18 | 山东省水利科学研究院 | Pressure water inlet pool of pump station at dam toe |
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| CN104500455A (en) * | 2014-12-15 | 2015-04-08 | 樊建苗 | Double-layer bidirectional flow passage system of vertical submersible axial-flow pump |
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Application publication date: 20150819 |