CN206299606U - A kind of circulating pump machine water shutoff water system - Google Patents
A kind of circulating pump machine water shutoff water system Download PDFInfo
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- CN206299606U CN206299606U CN201621334174.2U CN201621334174U CN206299606U CN 206299606 U CN206299606 U CN 206299606U CN 201621334174 U CN201621334174 U CN 201621334174U CN 206299606 U CN206299606 U CN 206299606U
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Abstract
The utility model is related to power plant desulfuration recycle pump process water system regions, more particularly to a kind of circulating pump machine water shutoff water system.There are circulating pump machine water shutoff water system two sets of water systems to seal water supply to circulating pump machine, wherein a set of water system is guided in process water main pipe the water in technique water tank using technique water pump one, the other end of process water main pipe is connected with circulating pump, is sealed to circulating pump machine and supplied water；Another set of water system is directly drawn reflux line in recirculated water main pipe and seals water supply to circulating pump machine, the set water system is used as circulating pump alternate source, when technique water tank is overhauled, using reflux line is drawn in recirculated water main pipe water supply will be sealed directly to circulating pump machine, prevent the water shutoff of circulating pump machine from interrupting the problem that caused circulating pump machine envelope is damaged, improve stabilization of equipment performance.The system is to draw reflux line in recirculated water main pipe to seal water supply to circulating pump machine, and transformation is simple.
Description
Technical field
The utility model is related to power plant desulfuration recycle pump process water system regions, more particularly to a kind of circulating pump machine envelope
Water supply system.
Background technology
Water in circulating pump is the water with uniform temperature, and high-temperature water can pass heat by the rotating shaft of pump or pump housing metal
Bearing is passed, bearing temperature is raised.High temperature water-supply can transfer heat to bearing by pump shaft and pump housing metal simultaneously makes axle
Temperature rising is held, burn-out of bearing can be also made when serious.In order to control heat unofficial, so needing to play a part of cooling sealing water
Circulating pump is cooled down.Also, during machine envelope work, frictional heat between rotating ring and stationary ring similarly needs cooling.
In addition, though the water under high pressure in circulating pump still has certain pressure by seal, in order to not allow feedwater
Water in pump is leaked by the gap between axle and seal, it is necessary to introduce water source as sealing water.At a high speed rotation axle with
Gap very little between seal, when sealing water is lost, moisture film herein is also just destroyed, and axle is likely to hair with seal
Raw friction, increases Feed Water Pump Vibration, and device damage will be caused when serious.Seal water pass through seal when, water axle with it is close
Moisture film is formed between sealing, a large amount of medium-loss problems hair that the gap herein between axle and seal is leaked caused is prevented
It is raw.
In the prior art, by just cooling, the pipeline that is separately provided also leads to the direct WATER AS FLOW MEDIUM with pump having
Machine envelope is crossed, the water for cooler envelope passed through in this root pipeline is exactly machine water shutoff.
In the prior art, it is most of to regard it as water source as sealing water from technique tank outlet jellyfish pipe.Specifically, circulating pump
Water source comes from electric power plant circulating water, and sulfur removal technology water tank is supplied through water circulating pump, and the water of technique water tank is guided to by technique water pump and followed
Ring pump house process water main pipe, circulating pump machine water shutoff is taken to recirculation pump house process water main pipe.
But, above circulating pump machine water shutoff designs single channel water source, once resource of water supply goes wrong, circulating pump will face
The danger that machine envelope is damaged.Such as desulfuration recycle pump process water water source uses technique water tank water, when technique water tank is overhauled, circulation
The water shutoff of pump machine will be interrupted.
Based on above description, a kind of new circulating pump machine water shutoff water system is needed badly, to solve present in prior art
The problem that circulating pump machine envelope caused by the water shutoff of circulating pump machine is interrupted is damaged.
Utility model content
The purpose of this utility model is to provide a kind of circulating pump machine water shutoff water system, and the water system is carried to circulating pump
For two resource of water supplys, one of them prevents the water shutoff of circulating pump machine from interrupting caused circulating pump as circulating pump alternate source
The problem that machine envelope is damaged, improves stabilization of equipment performance.
To achieve the above object, the utility model is adopted the following technical scheme that：
A kind of circulating pump machine water shutoff water system, including:
Circulating pump, technique water tank, recirculated water main pipe, process water main pipe, technique water pump one and reflux line；
Circulating pump delivery port is provided with the circulating pump；
Technique water tank inlet, technique water outlet of water tank are provided with the technique water tank；
Described recirculated water main pipe one end is connected with circulating pump delivery port, and the other end is connected with technique water tank inlet；
Described process water main pipe one end is connected with technique water outlet of water tank, and technique water pump one guides to the water in technique water tank
In process water main pipe, the other end of process water main pipe is connected with circulating pump, and machine water shutoff is supplied to circulating pump；
Refluxing opening is provided with the recirculated water main pipe, one end of the reflux line is connected with refluxing opening, the other end with
Circulating pump is connected, and machine water shutoff is supplied to circulating pump.
Preferably, being provided with technique water pump two on the reflux line, the technique water pump two is by recirculated water main pipe
Water guide in reflux line.
Preferably, being provided with the controlling switch one of control reflux line circulation status on the reflux line.
Preferably, the circulating pump machine water shutoff water system also includes recirculation pump house, the circulating pump and part are circulated
Jellyfish pipe is located in recirculation pump house.
Preferably, the refluxing opening is arranged at part of the recirculated water main pipe in recirculation pump house.
Preferably, the circulating pump machine water shutoff water system includes at least two circulating pumps.
Preferably, all circulating pumps each with corresponding process water branch pipe one end connect, all process water branch pipes it is another
One end connects with process water main pipe.
Preferably, the reflux line is connected with process water main pipe.
Preferably, being provided with the controlling switch two of control process water main pipe circulation status in the process water main pipe.
The circulating pump machine water shutoff water system that the application is provided compared with prior art has the characteristics that and beneficial effect：
Supplied water because there are the circulating pump machine water shutoff water system that this programme is provided two sets of water systems to be sealed to circulating pump machine,
Wherein a set of water system is guided in process water main pipe the water in technique water tank using technique water pump one, process water main pipe it is another
One end connects with circulating pump, is sealed to circulating pump machine and supplied water；Another set of water system directly draws return duct in recirculated water main pipe
Road is sealed to circulating pump machine and supplied water, and the set water system, when technique water tank is overhauled, will use circulation as circulating pump alternate source
The reflux line drawn on jellyfish pipe is sealed directly to circulating pump machine and supplied water, and prevents the water shutoff of circulating pump machine from interrupting caused circulating pump
The problem that machine envelope is damaged, improves stabilization of equipment performance.
Because the system is to draw reflux line in recirculated water main pipe to seal water supply to circulating pump machine, so the transformation is simple
It is single.
Brief description of the drawings
The structural representation of the circulating pump machine water shutoff water system that Fig. 1 is provided for the utility model；
A kind of preferred structure schematic diagram of the circulating pump machine water shutoff water system that Fig. 2 is provided for the utility model.
Reference,
1- circulating pumps；2- technique water tanks；3- process water main pipes；4- recirculated water main pipes；5- reflux lines；6- technique water pumps
One；7- techniques water pump two；8- controlling switches one；9- controlling switches two；10- controlling switches three.
Specific embodiment
The utility model is described in further detail with reference to accompanying drawing below by specific embodiment.
As shown in figure 1, a kind of circulating pump machine water shutoff water system that the application is provided, including:Circulating pump 1, technique water tank
2nd, recirculated water main pipe 4, process water main pipe 3, technique water pump 1 and reflux line 5；Circulation is provided with the circulating pump 1 to pump out
The mouth of a river；Technique water tank inlet, technique water outlet of water tank are provided with the technique water tank 2；Described one end of recirculated water main pipe 4 with
Circulating pump delivery port is connected, and the other end is connected with technique water tank inlet；Described one end of process water main pipe 3 and technique water tank water outlet
Mouthful connection, technique water pump 1 guides in process water main pipe 3 water in technique water tank 2, the other end of process water main pipe 3 with follow
Ring pump 1 is connected, and machine water shutoff is supplied to circulating pump 1；Refluxing opening, one end of the reflux line 5 are provided with the recirculated water main pipe 4
It is connected with refluxing opening, the other end is connected with circulating pump 1, machine water shutoff is supplied to circulating pump 1.
Supplied because there are the circulating pump machine water shutoff water system that this programme is provided two sets of water systems to be sealed to the machine of circulating pump 1
Water, wherein a set of water system is guided in process water main pipe 3 water in technique water tank 2 using technique water pump 1, technique jellyfish
The other end of pipe 3 is connected with circulating pump 1, is sealed to the machine of circulating pump 1 and supplied water；Another set of water system is directly in recirculated water main pipe 4
Draw reflux line 5 to the machine of circulating pump 1 seal supply water, the set water system as the alternate source of circulating pump 1, when technique water tank 2 is examined
When repairing, supplied water being sealed directly to the machine of circulating pump 1 using the reflux line 5 drawn in recirculated water main pipe 4, prevent the machine of circulating pump 1 from sealing
Water interrupts the problem that the caused machine of circulating pump 1 envelope is damaged, and improves stabilization of equipment performance.
In the present embodiment, preferably, the control circulation status of reflux line 5 are provided with the reflux line 5
Controlling switch 1.When needing reflux line 5 to seal water supply to the machine of circulating pump 1, controlling switch 1 is opened so that reflux line
5 are in circulation status, when not needing reflux line 5 to seal water supply to the machine of circulating pump 1, closing control switch 1 so that return duct
Road 5 is in non-negotiable state.
In the present embodiment, preferably, control process water main pipe 3 is provided with the process water main pipe 3 and is circulated
The controlling switch 29 of state.Broken down when technique water tank 2, it is necessary to when reflux line 5 seals water supply to the machine of circulating pump 1, close control
System switch 29 so that process water main pipe 3 is in non-negotiable state；When technique 2 normal water supply of water tank, opening closes controlling switch
29 so that process water main pipe 3 is in circulation status.
In the present embodiment, controlling switch 3 10, controlling switch are provided with the recirculated water main pipe 4 of technique water tank 2
3 10 circulation status for controlling recirculated water main pipe 4.
In the present embodiment, preferably, as shown in Fig. 2 technique water pump 27 is provided with the reflux line 5,
The technique water pump 27 guides in reflux line 5 water in recirculated water main pipe 4.The program causes the current in reflux line 5
Dynamic speed is fast, but also increases the transformation difficulty of system simultaneously, it is necessary to the reflux line 5 for matching, such as reflux line 5 is straight
Footpath must reach certain value, and it also requires other corollary equipments.Certainly, the technique water pump 27 is not essential equipment, also may be used
It is not provided with.
In the present embodiment, preferably, the circulating pump machine water shutoff water system also includes recirculation pump house, described
Circulating pump 1 and part recirculated water main pipe 4 are in recirculation pump house.In transformation process, according to the favourable advantage at scene, using circulation
Jellyfish pipe 4 is flowed through in recirculation pump house, and the refluxing opening is arranged at into part of the recirculated water main pipe 4 in recirculation pump house, is being followed
Water source is directly led out in recirculated water main pipe 4 in ring pump house, is that the machine of each circulating pump 1 envelope supplies water, it is very convenient.
In the present embodiment, preferably, the circulating pump machine water shutoff water system includes at least two circulating pumps
1.All circulating pumps 1 are each connected with corresponding process water branch pipe one end, and the other end of all process water branch pipes is and process water
Main pipe 3 is connected.
Used as a kind of preferred connected mode, the reflux line 5 is connected with process water main pipe 3.The program causes to supply water
The simple structure of system, easily realizes.Certainly, it is not limited to this connected mode, it is also possible to by reflux line 5 respectively by difference
Branch pipe connected with each circulating pump 1, but the program not as the first scenario-frame it is simple.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (9)
1. a kind of circulating pump machine water shutoff water system, it is characterised in that including:
Circulating pump, technique water tank, recirculated water main pipe, process water main pipe, technique water pump one and reflux line；
Circulating pump delivery port is provided with the circulating pump；
Technique water tank inlet, technique water outlet of water tank are provided with the technique water tank；
Described recirculated water main pipe one end is connected with circulating pump delivery port, and the other end is connected with technique water tank inlet；
Described process water main pipe one end is connected with technique water outlet of water tank, and the water in technique water tank is guided to technique by technique water pump one
In jellyfish pipe, the other end of process water main pipe is connected with circulating pump, and machine water shutoff is supplied to circulating pump；
Refluxing opening is provided with the recirculated water main pipe, one end of the reflux line is connected with refluxing opening, the other end with circulation
Pump is connected, and machine water shutoff is supplied to circulating pump.
2. circulating pump machine water shutoff water system according to claim 1, it is characterised in that be provided with the reflux line
Technique water pump two, the technique water pump two guides in reflux line the water in recirculated water main pipe.
3. circulating pump machine water shutoff water system according to claim 1, it is characterised in that be provided with the reflux line
Control the controlling switch one of reflux line circulation status.
4. the circulating pump machine water shutoff water system according to any one of claims 1 to 3, it is characterised in that also including circulation
Pump house, the circulating pump and part recirculated water main pipe are located in recirculation pump house.
5. circulating pump machine water shutoff water system according to claim 4, it is characterised in that the refluxing opening is arranged at circulation
Jellyfish pipe is located at the part in recirculation pump house.
6. circulating pump machine water shutoff water system according to claim 1, it is characterised in that including at least two circulating pumps.
7. circulating pump machine water shutoff water system according to claim 6, it is characterised in that all circulating pumps each with it is corresponding
The connection of process water branch pipe one end, the other end of all process water branch pipes connects with process water main pipe.
8. circulating pump machine water shutoff water system according to claim 7, it is characterised in that the reflux line and process water
Main pipe is connected.
9. circulating pump machine water shutoff water system according to claim 1, it is characterised in that set in the process water main pipe
There is the controlling switch two of control process water main pipe circulation status.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621334174.2U CN206299606U (en) | 2016-12-07 | 2016-12-07 | A kind of circulating pump machine water shutoff water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621334174.2U CN206299606U (en) | 2016-12-07 | 2016-12-07 | A kind of circulating pump machine water shutoff water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206299606U true CN206299606U (en) | 2017-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621334174.2U Active CN206299606U (en) | 2016-12-07 | 2016-12-07 | A kind of circulating pump machine water shutoff water system |
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| CN (1) | CN206299606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931097A (en) * | 2018-09-26 | 2018-12-04 | 珠海格力电器股份有限公司 | A kind of water circulation protection system and cooler |
-
2016
- 2016-12-07 CN CN201621334174.2U patent/CN206299606U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931097A (en) * | 2018-09-26 | 2018-12-04 | 珠海格力电器股份有限公司 | A kind of water circulation protection system and cooler |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100039 room 901, 9 / F, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Patentee after: Guoneng Longyuan environmental protection Co.,Ltd. Address before: 100039 room 911, 1 building, 16 West Fourth Ring Road, Haidian District, Beijing. Patentee before: BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENGINEERING Co.,Ltd. |
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| CP03 | Change of name, title or address |