CN201610845U - Fire control water pump of nuclear power station - Google Patents
Fire control water pump of nuclear power station Download PDFInfo
- Publication number
- CN201610845U CN201610845U CN2009202087540U CN200920208754U CN201610845U CN 201610845 U CN201610845 U CN 201610845U CN 2009202087540 U CN2009202087540 U CN 2009202087540U CN 200920208754 U CN200920208754 U CN 200920208754U CN 201610845 U CN201610845 U CN 201610845U
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- CN
- China
- Prior art keywords
- pump
- nuclear power
- power station
- fire service
- fire control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a fire control water pump of a nuclear power station, which comprises flow passage components (including a pump body, an impeller and a pump cover), supporting parts (including a bracket part, a shaft, a bracket support frame and a base), a transmission part and a liquid draining control system (including a coupler part, a coupler cover, a motor and a start-stop liquid draining control system), wherein the pump body is provided with a water inlet and a water outlet; the impeller is positioned at the front end of a pump shaft; a rotor part consisting of the impeller and the shaft is supported by a front and a rear bearings which are arranged inside the bracket part; the bearings of the pump are fixed by two shaft end covers; and the side wall of the water outlet is provided with an automatic exhaust valve. On the premise of reserving the main body structure of the conventional fire control water pump, the fire control water pump of the nuclear power station uses the automatic exhaust function of the automatic exhaust valve, thus not needing workers to check whether the machine sealing part of the pump body has gas collection at fixed period, and ensuring the fire control water pump of the nuclear power station to maintain good standby state all the time.
Description
Technical field
The utility model relates to a kind of nuclear power station fire service pump, but the nuclear power station fire service pump of particularly a kind of automatic drain and exhaust.
Background technique
Nuclear power station fire service pump major function is to provide the fire water of satisfying design pressure and traffic requirement for each fire-fighting system of whole nuclear power station.According to the nuclear power station usage requirement, should reach 40 years the working life of a nuclear power station fire service pump, and guarantee that it can start work at any time.Because nuclear power station fire service pump working particularity, its long period is in holding state, have only that it just starts when fire-fighting system need supply water, and the easy remaining unnecessary gas of the machine sealing position of fire service pump of the prior art, before starting, need just can implement to start by the gas of machine sealing position in staff's inspection and the release pump, this just causes manpower and temporal consumption, and has incured loss through delay starting time.
The model utility content
The technical problems to be solved in the utility model is will check the defective that can not directly start work in order to overcome fire service pump of the prior art before startup, and a kind of nuclear power station fire service pump is provided.
The utility model solves above-mentioned technical problem by following technical proposals:
A kind of nuclear power station fire service pump, it comprises a pump housing, pump cover, this pump housing is provided with a water intake and a water outlet; One is positioned at the pump shaft of this pump housing and pump cover, pallet body; Two bearings that support this pump shaft; Two hubcaps of fixing this pump bearing axle head; Impeller on one assembling and this pump shaft; And the discharge opeing control system that is used to control this nuclear power station fire service pump, its characteristics are, the side-walls of this water outlet is provided with an automatic control pressure vent, guarantee fire water pump at any time Starter envelope survival gas can in time be discharged, be improved the reliability that the nuclear power station fire service pump starts, thereby prolong pump machine envelope and pump working life.
Wherein, the bottom of this pump housing is provided with a discharge opeing flange, one end of this discharge opeing flange is connected with this impeller and the formed chamber of this pump housing, its the other end is electrically connected with this discharge opeing control system of nuclear power station fire service pump by a valve, this discharge opeing flange can be in time with outside the fire water excavationg pump residual in the pump housing, preventing that component get rusty in the pump influences its proper functioning, and the nuclear power station fire service pump in time starts running after avoiding influencing.
Wherein, respectively be provided with a pouring orifice that is used to inject drier oil (lubricating grease) on this hubcap, this pouring orifice is connected with the oil duct of this bearing.Promptly, the utility model adopts drier oil (lubricating grease) lubricated alternative of the prior art rare lubricated, save the staff and detect the work of lubricant oil oil mass in the pump housing, the situation of directly having avoided the nuclear power station fire service pump under lubricated oil condition, to operate simultaneously repeatedly.
Positive progressive effect of the present utility model is: the utility model is under the prerequisite that keeps nuclear power station fire service pump agent structure, side-walls at water outlet is provided with an automatic control pressure vent, thereby do not need the staff to make regular check on pump housing machine sealing position and whether have gas collection, make the nuclear power station fire service pump keep good holding state constantly.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment's nuclear power station fire service pump.
Embodiment
Enumerate preferred embodiment below, and come the clearer the utility model that intactly illustrates in conjunction with the accompanying drawings.
Because the major function of nuclear power station fire service pump is to satisfy the fire water that preset flow and pressure require for each fire-fighting system of whole nuclear power station provides, it requires, and fire service pump can start immediately when breaking out of fire.So because agility that the particularity of its effect starts the nuclear power station fire service pump and strict requirement is arranged working life.
As shown in Figure 1, the side-walls of the water outlet 5 of nuclear power station fire service pump of the present utility model is provided with an automatic control pressure vent 6, and such automatic control pressure vent is the commercially available prod.When the machine sealing position of fire service pump has gas to stockpile, but just automatic vent of this automatic control pressure vent, therefore need not the staff making regular check on or starting fire service pump before go to the manual exhaust in fire service pump location, guarantee fire service pump can be in time, start safely.
Again as shown in Figure 1, also be provided with a discharge opeing flange 4 in the bottom of the pump housing 3, chamber 9 UNICOMs that one end of this discharge opeing flange 4 and impeller 8 and the pump housing 3 form, the other end of discharge opeing flange 4 is electrically connected (not shown) by a valve with the discharge opeing control system of nuclear power station fire service pump.The rapid blowdown pump of fire water that directly will be wherein residual by this discharge opeing control system after the nuclear power station fire service pump is finished the work is external, cause to avoid containing residual fire water for a long time in the pump housing that each parts get rusty in the pump housing, further improve the working life of nuclear power station fire service pump, guarantee that it can can't proper functioning not influence the fire-fighting work of nuclear power station because of inner member gets rusty.
In addition, the many employings of nuclear power station fire service pump of the prior art are rare lubricated, when promptly the nuclear power station fire service pump is in state of dormancy, inject the lubricant oil of dilution in chamber 7.But because the nuclear power station fire service pump is in holding state for a long time, rare during this time lubricant oil volatilizees easily, therefore whether the staff often has enough lubricant oil in the detection chambers 7 to guarantee that next time the nuclear power station fire service pump can normal operation, and this brings much not convenient and labor intensive and times equally.Nuclear power station fire service pump in the utility model adopts the lubricated replacement of drier oil (lubricating grease) of the prior art rare lubricated for this reason.As shown in Figure 1, respectively be provided with a pouring orifice 2 on two hubcaps 1, be used for directly injecting drier oil (lubricating grease) to the position of bearings of supporting pump shaft.Drier oil (lubricating grease) is not volatile with respect to rare lubricant oil, can better be kept in the oil duct, saved the problem that the staff checks the lubricant oil oil mass repeatedly, the potential safety hazard that the nuclear power station fire service pump of well having avoided causing after the lubricant oil volatilization totally in the chamber 7 can't normally be devoted oneself to work and bring at once.
Though more than described embodiment of the present utility model, but those skilled in the art is to be understood that, these only illustrate, and under the prerequisite that does not deviate from principle of the present utility model and essence, can make numerous variations or modification to these mode of executions.Therefore, protection domain of the present utility model is limited by appended claims.
Claims (3)
1. nuclear power station fire service pump, it comprises a pump housing, pump cover, this pump housing is provided with a water intake and a water outlet; One is positioned at the pump shaft of this pump housing and pump cover, pallet body; Two bearings that support this pump shaft; Two hubcaps of fixing this pump bearing axle head; Impeller on one assembling and this pump shaft; And the discharge opeing control system that is used to control this nuclear power station fire service pump, it is characterized in that the side-walls of this water outlet is provided with an automatic control pressure vent.
2. nuclear power station fire service pump according to claim 1, it is characterized in that, the bottom of this pump housing is provided with a discharge opeing flange, one end of this discharge opeing flange is connected with this impeller and the formed chamber of this pump housing, and its other end is electrically connected with this discharge opeing control system of nuclear power station fire service pump by a valve.
3. nuclear power station fire service pump according to claim 1 is characterized in that, respectively is provided with a pouring orifice that is used to inject drier oil on this hubcap, and this pouring orifice is connected with the oil duct of this bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202087540U CN201610845U (en) | 2009-09-01 | 2009-09-01 | Fire control water pump of nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202087540U CN201610845U (en) | 2009-09-01 | 2009-09-01 | Fire control water pump of nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201610845U true CN201610845U (en) | 2010-10-20 |
Family
ID=42961478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202087540U Expired - Fee Related CN201610845U (en) | 2009-09-01 | 2009-09-01 | Fire control water pump of nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201610845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224253A (en) * | 2016-08-31 | 2016-12-14 | 苏州洪恩流体科技有限公司 | A kind of fire demand water pump |
| CN108679290A (en) * | 2018-07-07 | 2018-10-19 | 辽东学院 | A kind of Water driving valve door controller |
-
2009
- 2009-09-01 CN CN2009202087540U patent/CN201610845U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224253A (en) * | 2016-08-31 | 2016-12-14 | 苏州洪恩流体科技有限公司 | A kind of fire demand water pump |
| CN108679290A (en) * | 2018-07-07 | 2018-10-19 | 辽东学院 | A kind of Water driving valve door controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101020 Termination date: 20110901 |