CN217129925U - Condensate pump body bearing cooling water system - Google Patents
Condensate pump body bearing cooling water system Download PDFInfo
- Publication number
- CN217129925U CN217129925U CN202220986977.5U CN202220986977U CN217129925U CN 217129925 U CN217129925 U CN 217129925U CN 202220986977 U CN202220986977 U CN 202220986977U CN 217129925 U CN217129925 U CN 217129925U
- Authority
- CN
- China
- Prior art keywords
- cooling water
- condensate pump
- pump body
- body bearing
- cooling
- 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.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a condensate pump body bearing cooling water system, include: the cooling pipeline is used for cooling a pump body bearing and comprises a cooling water pipe connected to a condensate pump body and a cooling cavity arranged in the condensate pump body, the cooling water pipe is communicated with the cooling cavity, the cooling water pipe comprises a cooling water inlet pipe and a cooling water outlet pipe which are positioned at two sides of the condensate pump body, a one-way valve is arranged on the cooling water inlet pipe, a flowmeter for detecting the flow rate of cooling water is arranged on the cooling water outlet pipe, one end part of the forward flushing pipeline is communicated with the condensate pump outlet pipe, the other end part of the forward flushing pipeline is communicated with the cooling water inlet pipe, a forward flushing valve is arranged on the forward flushing pipeline, when the cooling pipeline is blocked, the forward flushing valve is opened, high-pressure condensate water flowing out of the condensate pump outlet pipe can be utilized to flow forward along the cooling pipeline, the blockage is cleared, and the technical effect of treating the blockage problem under the condition of not stopping the pump is realized, and the operation is convenient, the time and the labor are saved, and the effect is good.
Description
Technical Field
The utility model belongs to the technical field of condensate pump, concretely relates to condensate pump body bearing cooling water system.
Background
The condensate pump is one of important devices of a condensate system of a thermal power generating unit, is used for pumping condensate water to a deaerator, and has the characteristics of high rotating speed and high pumping pressure, most of pump body bearings of the existing condensate pump are cooled through a cooling pipeline, the cooling pipeline consists of a cooling water pipe connected to a pump body and a cooling cavity arranged in the pump body, the source of the cooling water in the cooling pipeline is surface water or deep well water, the cooling water is pumped into the pump through a pump room and automatically flows out after absorbing the heat of the pump body bearing, and because the water pressure of the cooling water is low (generally about 0.2 MPa), the water quality is poor, the impurity content and the microorganism content are high, larvae and spores of animals and plants are mixed, the impurities are easy to adhere, accumulate and scale in the cooling pipeline, and the breeding growth of the microorganisms and the animals and plants in the cooling pipeline causes blockage, so that the flow rate of the cooling water is reduced and the cooling water can be cut off when the microorganisms and the animals and plants are seriously grown to block, the heat of the pump body bearing can not be discharged in time, thereby damaging the pump body bearing.
For solving this problem, current treatment mode is the earlier pump that stops mostly, pull down the back with the cooling water pipe, rethread long and thin iron wire is disclosed and is gone into cooling line and clear up, waste time and energy, the operation is inconvenient, still cause the mar easily at cooling line's pipe wall when the iron wire is disclosed, during the follow-up use, mar department gathers impurity more easily, microorganism and animal and plant cause the jam, long-time the pump that stops still can make the oxygen-eliminating device water level not enough, cause thermal power unit to shut down, seriously influence thermal power unit's safety and stability operation.
Disclosure of Invention
The utility model aims at overcoming prior art's shortcoming, providing a condensate pump body bearing cooling water system, this system can handle the jam problem at the condition of not stopping the pump, and convenient operation, labour saving and time saving, effectual, does not influence thermal power generating unit's safety and stability operation.
In order to achieve the above object, the utility model provides a technical scheme is, condensate pump body bearing cooling water system, include:
the cooling pipeline comprises a cooling water pipe connected to the condensate pump body and a cooling cavity arranged in the condensate pump body, the cooling water pipe is communicated with the cooling cavity, the cooling water pipe comprises a cooling water inlet pipe and a cooling water outlet pipe which are positioned on two sides of the condensate pump body, a one-way valve is arranged on the cooling water inlet pipe, and a flow meter for detecting the flow rate of cooling water is connected to the cooling water outlet pipe;
condensate pump body bearing cooling water system still includes just towards the pipeline, just towards a tip and the condensate pump outlet pipe of pipeline and be linked together, just towards another tip of pipeline with the cooling water inlet tube is linked together, just towards being equipped with on the pipeline and just towards the valve when the cooling tube blocks up, just towards the valve and open, through the high-pressure condensate water that the condensate pump outlet pipe flows is followed the cooling tube forward flows, clears away the jam.
Preferably, the condensate pump body bearing cooling water system further comprises a controller electrically connected with the flowmeter and the positive flushing valve, and the controller controls the positive flushing valve to be opened and closed according to a flow value detected by the flowmeter.
Further preferably, a temperature sensor for detecting the temperature of the lubricating fluid in the pump body bearing is further connected to the condensate pump body, the temperature sensor is electrically connected with the controller, and the controller controls the on-off of the positive flushing valve according to a detection value of the temperature sensor.
Further preferably, the controller prioritizes the flow meter in response to the temperature sensor.
Preferably, the positive flushing pipeline is communicated with the condensate pump water outlet pipe through a pressure detection port formed in the condensate pump water outlet pipe.
Preferably, the positive flushing valve comprises an electric gate valve.
Preferably, the flow meter comprises an electromagnetic flow meter.
Further preferably, the check pressure of the check valve is greater than the outlet water pressure of the outlet pipe of the condensate pump.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
the utility model provides a condensate pump body bearing cooling water system, include: the cooling pipeline is used for cooling a pump body bearing and comprises a cooling water pipe connected to a condensate pump body and a cooling cavity arranged in the condensate pump body, the cooling water pipe is communicated with the cooling cavity, the cooling water pipe comprises a cooling water inlet pipe and a cooling water outlet pipe which are positioned at two sides of the condensate pump, a one-way valve is arranged on the cooling water inlet pipe, a flowmeter for detecting the flow rate of cooling water is connected to the cooling water outlet pipe, one end part of the forward flushing pipeline is communicated with the condensate pump outlet pipe, the other end part of the forward flushing pipeline is communicated with the cooling water inlet pipe, a forward flushing valve is arranged on the forward flushing pipeline, when the cooling pipeline is blocked, the forward flushing valve is opened, high-pressure condensate water flowing out of the condensate pump outlet pipe can be utilized to flow forward along the cooling pipeline, the blockage is cleared, and the technical effect of treating the blockage problem under the condition that the pump is not stopped is realized, and the operation is convenient, the time and the labor are saved, and the effect is good.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Wherein: 111. a cooling water inlet pipe; 112. a cooling water outlet pipe; 113. a one-way valve; 114. a flow meter; 12. a cooling chamber; 20. positively flushing the pipeline; 21. a positive flushing valve; 22. a first tee joint; 23. a second tee joint; 30. a controller; 40. a condensate pump body; 41. a temperature sensor; 50. a water outlet pipe of the condensate pump; 51. a pressure detection port; 52. a pressure sensor.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to make clear and definite definitions of the protection scope of the present invention.
As shown in fig. 1, the utility model provides a condensate pump body bearing cooling water system, include: the cooling device comprises a cooling pipeline and a positive flushing pipeline 20, wherein the cooling pipeline is used for cooling a pump body bearing and comprises a cooling water pipe and a cooling cavity 12, the cooling water pipe is connected to a condensate pump body 40, specifically, the cooling water pipe comprises a cooling water inlet pipe 111 and a cooling water outlet pipe 112 which are positioned at two sides of the condensate pump body 40, a one-way valve 113 is arranged on the cooling water inlet pipe 111, the check pressure of the one-way valve 113 is greater than the outlet pressure of a condensate pump outlet pipe 50, and a flow meter 114 for detecting the flow rate of cooling water is connected to the cooling water outlet pipe 112; the cooling cavity 12 is arranged in the condensate pump body 40 and close to the pump body bearing; the cooling water pipe is communicated with the cooling cavity 12; one end part of the forward flushing pipeline 20 is communicated with a condensate pump water outlet pipe 50 through a first tee joint 22, the other end part of the forward flushing pipeline 20 is communicated with a cooling water inlet pipe 112 through a second tee joint 23, the second tee joint 23 is positioned between a one-way valve 113 and a condensate pump body 40, a forward flushing valve 21 is arranged on the forward flushing pipeline 20, the forward flushing valve 21 is an electric gate valve, the forward flushing valve 21 is positioned between the first tee joint 22 and the second tee joint 23, when the cooling pipeline is blocked, the forward flushing valve 21 is opened and is communicated with the forward flushing pipeline 20, high-pressure condensate (the pressure is about 1.0MPa and is higher than 0.2MPa of the cooling water) flowing out of a condensate pump water outlet pipe 50 flows along the forward direction of the cooling pipeline 20 (the forward flow refers to flow along the flow direction of the cooling water), and is mixed in the cooling water to flush the cooling pipeline 20, and accordingly, the blockage is removed.
The advantage that sets up like this lies in, can handle the jam problem in the condition of not shutting down the pump, and convenient operation, labour saving and time saving, effectual, only need add just towards the pipeline and add the flowmeter on the cooling water outlet pipe can, with low costs, and all be connection nearby, very be fit for current condensate pump body bearing cooling water system's transformation.
In order to realize automatic blockage removal and avoid the phenomenon of overhigh temperature of the pump body bearing caused by untimely inspection of personnel, in the embodiment, the condensate pump body bearing cooling water system further comprises a controller 30, the controller 30 is electrically connected with the flowmeter 114 and the forward flushing valve 21, the controller 30 controls the forward flushing valve 21 to be opened and closed according to the flow value detected by the flowmeter 114, specifically, when the flow value detected by the flowmeter 114 is lower than a set value, the controller 30 controls the forward flushing valve 21 to be opened, and when the flow value detected by the flow meter 114 is equal to or higher than the set value, the controller 30 controls the forward flushing valve 21 to be closed.
The cooling effect of indirectly feeding back the pump body bearing by the flow value is not guaranteed, for example, when the cooling water temperature is high and the cooling pipeline has no clogging phenomenon or a slight clogging phenomenon, the flow value detected by the flow meter 114 is in a state of being equal to or higher than a set value, but the actual temperature of the pump body bearing is high, in the present embodiment, the condensate pump body 40 is further connected with a temperature sensor 41 for detecting the temperature of the lubricating fluid (such as lubricating oil) in the pump body bearing, a probe of the temperature sensor 41 can be inserted in the lubricating fluid pipeline, the temperature sensor 41 is electrically connected with the controller 30, the controller 30 further controls the forward flushing valve 21 to open and close according to the detection value of the temperature sensor 41, and the priority of the controller 30 responding to the temperature sensor 41 is higher than that of the flow meter 114.
In order to realize the connection nearby and realize the transformation of the existing condensate pump body bearing cooling water system with the minimum change, and make the condensate flow entering the cooling pipeline through the forward flushing pipeline 20 be in a reasonable range, and not affect the return water of the deaerator, in the embodiment, the forward flushing pipeline 20 is communicated with the condensate pump outlet pipe 50 through the pressure detection port 51 arranged on the condensate pump outlet pipe 50, and because of the aperture limitation of the pressure detection port 51, the condensate flow entering the cooling pipeline through the forward flushing pipeline 20 is not too large (usually less than 1 ton/hour), and the return water of the deaerator (usually 45-50 ton/hour) is not affected.
To avoid fouling at the flow meter 114 during forward flushing, an electromagnetic flow meter is selected for the flow meter 114 in this embodiment.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. A condensate pump body bearing cooling water system comprising:
the cooling pipeline comprises a cooling water pipe connected to the condensate pump body and a cooling cavity arranged in the condensate pump body, the cooling water pipe is communicated with the cooling cavity, the cooling water pipe comprises a cooling water inlet pipe and a cooling water outlet pipe which are positioned on two sides of the condensate pump body, a one-way valve is arranged on the cooling water inlet pipe, and a flow meter for detecting the flow rate of cooling water is connected to the cooling water outlet pipe;
the method is characterized in that:
the condensate pump body bearing cooling water system further comprises a forward flushing pipeline, one end of the forward flushing pipeline is communicated with a condensate pump water outlet pipe, the other end of the forward flushing pipeline is communicated with a cooling water inlet pipe, and a forward flushing valve is arranged on the forward flushing pipeline.
2. The condensate pump body bearing cooling water system of claim 1, wherein: the condensate pump body bearing cooling water system further comprises a controller electrically connected with the flowmeter and the forward flushing valve, and the controller controls the forward flushing valve to be opened and closed according to a flow value detected by the flowmeter.
3. The condensate pump body bearing cooling water system of claim 2, wherein: the condensate pump body is further connected with a temperature sensor for detecting the temperature of the lubricating fluid in the pump body bearing, the temperature sensor is electrically connected with the controller, and the controller controls the positive flushing valve to be opened and closed according to the detection value of the temperature sensor.
4. The condensate pump body bearing cooling water system of claim 3, wherein: the controller responds to the temperature sensor with a higher priority than the flow meter.
5. The condensate pump body bearing cooling water system of claim 1, wherein: and the positive flushing pipeline is communicated with the condensate pump water outlet pipe through a pressure detection port arranged on the condensate pump water outlet pipe.
6. The condensate pump body bearing cooling water system of claim 1, wherein: the positive flushing valve comprises an electric gate valve.
7. The condensate pump body bearing cooling water system of claim 1, wherein: the flow meter comprises an electromagnetic flow meter.
8. The condensate pump body bearing cooling water system according to any one of claims 1 to 7, wherein: the check pressure of the check valve is larger than the water outlet pressure of the water outlet pipe of the condensate pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220986977.5U CN217129925U (en) | 2022-04-26 | 2022-04-26 | Condensate pump body bearing cooling water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220986977.5U CN217129925U (en) | 2022-04-26 | 2022-04-26 | Condensate pump body bearing cooling water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217129925U true CN217129925U (en) | 2022-08-05 |
Family
ID=82651885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220986977.5U Active CN217129925U (en) | 2022-04-26 | 2022-04-26 | Condensate pump body bearing cooling water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217129925U (en) |
-
2022
- 2022-04-26 CN CN202220986977.5U patent/CN217129925U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108860556A (en) | A kind of ship energy saving type cycle of higher pressure rinse-system | |
| CN217129925U (en) | Condensate pump body bearing cooling water system | |
| CN104206342A (en) | Nano-micrometer fishpond aerator | |
| CN207628335U (en) | A kind of cutting fluid automatic solution proportioning apparatus | |
| CN114738325A (en) | Condensate pump body bearing cooling water system | |
| CN109197095A (en) | A kind of hydrodynamic(al) reversal valve control fertilization system | |
| CN209264362U (en) | A kind of antifreeze water intake system of Automatic-boosting emptying | |
| CN208186957U (en) | A kind of hydraulic dynamometer water tank automatic cycle control reverse flow cooling system | |
| CN208431438U (en) | A kind of valve with flow detection function | |
| CN207596572U (en) | Idle call auto-manual medicine system | |
| CN211370698U (en) | Automatic water level control device for water pipeline construction | |
| CN211233550U (en) | Recirculated cooling water moisturizing module with quality of water real time monitoring | |
| CN210511636U (en) | Drainage control system of condensate water tank | |
| CN209674895U (en) | A kind of Nuclear power plant main pipeline gauge pipe hot spot back purge system | |
| CN208294785U (en) | A kind of submersible pump drain system | |
| CN206479823U (en) | Machine envelope cooling automatic control protecting device | |
| CN207340936U (en) | Large-scale cultivation thermal cycle constant-temperaturepigsty pigsty | |
| CN208683090U (en) | A kind of ship energy saving type cycle of higher pressure flusher | |
| CN206033187U (en) | Liquid filling machine cooling water circulation system | |
| CN206191564U (en) | Condensed water recovery device | |
| CN219065439U (en) | Tail water detection device for drainage of culture system | |
| CN205380600U (en) | High pressure heater allies oneself with into valve spanner | |
| CN216219230U (en) | Automatic change low-pressure pipeline irrigation equipment | |
| CN219840836U (en) | Submersible sewage pump water circulation cooling system | |
| CN219031878U (en) | Backwater prevention protection device of ozone generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |