CN206739263U - A kind of power plant chemistry purging system loop fast switching system - Google Patents
A kind of power plant chemistry purging system loop fast switching system Download PDFInfo
- Publication number
- CN206739263U CN206739263U CN201720530915.2U CN201720530915U CN206739263U CN 206739263 U CN206739263 U CN 206739263U CN 201720530915 U CN201720530915 U CN 201720530915U CN 206739263 U CN206739263 U CN 206739263U
- Authority
- CN
- China
- Prior art keywords
- valve
- purging system
- cleaning
- fast switching
- formal
- 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
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model discloses a kind of power plant chemistry purging system loop fast switching system, the fast switching system includes the first valve, second valve, 3rd valve, 4th valve and the 5th valve, after first valve and the second valve series connection again with the 3rd valve and the 4th valve in parallel, 3rd valve and the 4th valve are arranged in series, the delivery port of the cleaning case is set between the first valve and the second valve, described 5th valve one end is arranged between the 3rd valve and the 4th valve, the other end connects the liquid returning end of cleaning case, the entrance point of the formal purging system is connected between the first valve and the 4th valve, the port of export of the formal purging system is connected between the second valve and the 3rd valve.Purging system dead angle can be cleaned up with purging system flow velocity compared with the dirt that bottom remains with corrosion product；The workload that the system of bidirectional circulating cleaning is installed and operated temporarily can be reduced, and can be shared with cleaning pump discharge self-loopa pipeline.
Description
Technical field
It the utility model is related to a kind of chemical cleaning system in thermal power plant, more particularly to a kind of thermal power plant
Chemical cleaning system loop fast switching system.
Background technology
Thermal power plant capital generating unit is stored and transported and installed to remove the oxide that boiler plant is formed in the fabrication process
During the various attachments such as the preservative that coats when dispatching from the factory of the corrosion product, welding slag and the equipment that generate；Remove and manufacturing simultaneously
With the impurity for entering in installation and remaining in equipment, such as sand, soil, insulation material dirt, ensure boiler water-steam system
Cleaning and operation in stove water, the fine quality of steam.Operating unit Chemical cleaning is that boiler impurity is removed most in thermal power plant
One of conventional method, the cleaning of heating surface inner surface is to maintain, prevents heating surface from, because fouling, corrosion cause accident, reducing simultaneously
Burn cost, improve one of requisite measure of water and steam quality, the service life and hair of the relationship between quality of Chemical cleaning to boiler
The security performance of group of motors, the power industry of revision in 2012《Heat power plant boiler Chemical cleaning directive/guide》(DLT794-
2012) since, the cleaning boiler quality of power industry has had large increase.In order to further lift Boiler Chemical
Quality, the technical essential of Chemical cleaning is specified, lift Chemical cleaning quality, equipment guarantee work is carried out for thermal power generation.
The chemical cleaning system scope of thermal power plant unit includes condenser, low-pressure heating vapour, oxygen-eliminating device, hyperbaric heating
Device, economizer, water-cooling wall, drum (Once-through Boiler is startup separator and water storage tank), superheater etc..
Current most common cleaning way is divided into the wash cycles (i.e. Water, steam circulation cleaning process) and single system of whole system
Cleaning, purging system loop are designed as the import of temporary system and are connected to establish with formal system with returning liquid to circulate, progress circulation cleaning
Wash, the cleaning of liquid one-way circulation is returned in traditional scavenger circuit for fixed feed liquor so that the dirt of chemical clear system dead angle residual and corruption
Erosion product can not clean up, and influence cleaning performance.
Traditional chemical scavenger circuit design at present has a disadvantage that：Using existing conventional clean loop, (one-way circulation is clear
Wash), purging system dead angle can not clean up with purging system flow velocity compared with the dirt that bottom remains with corrosion product, influence cleaning effect
Fruit.
Bidirectional circulating cleaning is carried out using existing conventional clean loop, it is necessary to increase temporary pipeline installation, valve operation
Workload, and the extension of chemical cleaning circuit switching time.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of power plant chemistry cleaning system
System loop fast switching system, it is possible to increase cleaning efficiency, ensure cleaning performance.
The utility model is achieved through the following technical solutions, and the utility model includes formal purging system and cleaning
Case, the fast switching system are arranged on described formal between purging system and cleaning case；The fast switching system includes the
One valve, the second valve, the 3rd valve, the 4th valve and the 5th valve, after first valve and the second valve series connection again with
3rd valve and the 4th valve in parallel, the 3rd valve and the 4th valve are arranged in series, and the delivery port of the cleaning case is set
Between first valve and the second valve, described 5th valve one end is arranged between the 3rd valve and the 4th valve, another
The liquid returning end of end connection cleaning case, the entrance point of the formal purging system are connected between the first valve and the 4th valve, institute
The port of export for stating formal purging system is connected between the second valve and the 3rd valve.
5th valve is the adjustable normally opened valve of aperture.Cleaning case liquid returning end can be back to adjust according to aperture
Fluid flow.
As one of preferred embodiment of the present utility model, first valve, the 3rd valve and the 4th valve opening, formally
The two-way upper water of purging system.
As one of preferred embodiment of the present utility model, the 4th valve is closed, the first valve and the 3rd valve opening,
Formal purging system one-way circulation cleaning.
As one of preferred embodiment of the present utility model, second valve and the 4th valve opening, the first valve and
Three valves are closed, formal purging system reverse cleaning.
As one of preferred embodiment of the present utility model, first valve and the second valve are closed, the 3rd valve and the
Four valve openings, the two-way discharge of cleaning waste liquid of formal purging system.
As one of preferred embodiment of the present utility model, the cleaning case is connected to the first valve and second by cleaning pump
Between valve.
The cleaning case is provided with moisturizing import.It is easy to additional clean liquid.
The utility model has advantages below compared with prior art：The utility model is simple in construction, easy to use, can incite somebody to action
Purging system dead angle cleans up with purging system flow velocity compared with the dirt that bottom remains with corrosion product, ensures cleaning performance；Can be with
The workload of the system installation and operation temporarily of bidirectional circulating cleaning is reduced, and can be total to cleaning pump discharge self-loopa pipeline
With；The loop switch time shortens, and reduces the risk of misoperation of valve；Purging system can reach the optimal of emptying with two-way water inlet
Effect, reduce vent plug risk.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Embodiment of the present utility model is elaborated below, the present embodiment using technical solutions of the utility model before
Put and implemented, give detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In following embodiments.
As shown in figure 1, the present embodiment includes formal purging system 1, cleaning case 2 and fast switching system 3, it is described quickly to cut
Change system 3 be arranged on it is described formal between purging system 1 and cleaning case 2；The fast switching system 3 include the first valve 31,
Second valve 32, the 3rd valve 33, the 4th valve 34 and the 5th valve 35, after the valve 32 of the first valve 31 and second series connection
In parallel with the 3rd valve 33 and the 4th valve 34 again, the 3rd valve 33 and the 4th valve 34 are arranged in series, the cleaning case 2
Delivery port set by cleaning pump 21 between the first valve 31 and the second valve 32, described one end of 5th valve 35 is arranged on institute
State between the 3rd valve 33 and the 4th valve 34, the other end connects the liquid returning end of cleaning case 2, and the formal purging system 1 enters
Mouth end is connected between the first valve 31 and the 4th valve 34, and the port of export of the formal purging system 1 connects the second valve 32
And the 3rd between valve 33.
5th valve 35 of the present embodiment is the adjustable normally opened valve of aperture.Cleaning can be back to adjust according to aperture
The fluid flow of the liquid returning end of case 2.Moisturizing import 22 is set on cleaning case 2.It is easy to additional clean liquid.
On formal purging system 1 during water, the first valve 31, the 3rd valve 33, the 4th valve 34 are opened, passes through adjustment the 5th
The aperture of valve 35, the 5th valve 35 export self-loopa door equivalent to cleaning pump 21 so that the inflow of formal purging system 1 with it is clear
The rate of water make-up of tank-washer 2 reaches balance.Formal purging system 1 reaches emptying optimum efficiency by two-way upper water.
After the formal full water of purging system 1, stop moisturizing, close the air bleeding valve of formal purging system 1, simultaneously close off the 4th valve
Door 34, the first valve 31, the 3rd valve 33 are opened, establish circulation, carry out one-way circulation cleaning.
After cleaning process carries out a period of time, circulation loop need to be switched fast, first opens the second valve 32, the 4th valve
34, the first valve 31, the 3rd valve 33 are then closed afterwards, carry out reverse cleaning.
After cleaning terminates, the first valve 31, the second valve 32 are closed, while opens the 3rd valve 33, the 4th valve 34, just
Formula purging system 1 cleans waste liquid and carries out two-way discharge.
The fast switching system 3 of the present embodiment cleans suitable for single system, such as condenser, economizer, low-level (stack-gas) economizer, mistake
The cleaning of the systems such as hot device, and suitable for the Chemical cleaning of Natural Circulation furnace body system (in addition to superheater, reheater), solve
Existing conventional clean loop (one-way circulation cleaning) dead angle can not with corrosion product compared with the dirt that bottom remains with purging system flow velocity
Clean up, to ensure cleaning performance.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of power plant chemistry purging system loop fast switching system, including formal purging system and cleaning case, its
It is characterised by, the fast switching system is arranged on described formal between purging system and cleaning case；The fast switching system
Including the first valve, the second valve, the 3rd valve, the 4th valve and the 5th valve, the first valve and the second valve series connection
It is arranged in series again with the 3rd valve and the 4th valve in parallel, the 3rd valve and the 4th valve afterwards, the water outlet of the cleaning case
Mouthful set between the first valve and the second valve, described 5th valve one end be arranged on the 3rd valve and the 4th valve it
Between, the other end connects the liquid returning end of cleaning case, and the entrance point of the formal purging system is connected to the first valve and the 4th valve
Between, the port of export of the formal purging system is connected between the second valve and the 3rd valve.
2. a kind of power plant chemistry purging system loop fast switching system according to claim 1, its feature exist
In the 5th valve is the adjustable normally opened valve of aperture.
3. a kind of power plant chemistry purging system loop fast switching system according to claim 2, its feature exist
In, first valve, the 3rd valve and the 4th valve opening, the formal two-way upper water of purging system.
4. a kind of power plant chemistry purging system loop fast switching system according to claim 2, its feature exist
In the 4th valve is closed, the first valve and the 3rd valve opening, formal purging system one-way circulation cleaning.
5. a kind of power plant chemistry purging system loop fast switching system according to claim 2, its feature exist
In second valve and the 4th valve opening, the first valve and the 3rd valve are closed, formal purging system reverse cleaning.
6. a kind of power plant chemistry purging system loop fast switching system according to claim 2, its feature exist
In first valve and the second valve are closed, the 3rd valve and the 4th valve opening, and the cleaning waste liquid of formal purging system is double
To discharge.
7. a kind of power plant chemistry purging system loop fast switching system according to claim 1, its feature exist
In the cleaning case is connected between the first valve and the second valve by cleaning pump.
8. a kind of power plant chemistry purging system loop fast switching system according to claim 1, its feature exist
In the cleaning case is provided with moisturizing import.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720530915.2U CN206739263U (en) | 2017-05-15 | 2017-05-15 | A kind of power plant chemistry purging system loop fast switching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720530915.2U CN206739263U (en) | 2017-05-15 | 2017-05-15 | A kind of power plant chemistry purging system loop fast switching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206739263U true CN206739263U (en) | 2017-12-12 |
Family
ID=60565524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720530915.2U Expired - Fee Related CN206739263U (en) | 2017-05-15 | 2017-05-15 | A kind of power plant chemistry purging system loop fast switching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206739263U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716666A (en) * | 2018-06-20 | 2018-10-30 | 华润电力（渤海新区）有限公司 | A kind of hot purging method of super critical boiler system and system |
| CN109013610A (en) * | 2018-09-12 | 2018-12-18 | 常州剑湖金城车辆设备有限公司 | A kind of dirt tank cleaning system and method |
-
2017
- 2017-05-15 CN CN201720530915.2U patent/CN206739263U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716666A (en) * | 2018-06-20 | 2018-10-30 | 华润电力（渤海新区）有限公司 | A kind of hot purging method of super critical boiler system and system |
| CN108716666B (en) * | 2018-06-20 | 2023-11-10 | 华润电力（渤海新区）有限公司 | Thermal state flushing method and system for supercritical boiler system |
| CN109013610A (en) * | 2018-09-12 | 2018-12-18 | 常州剑湖金城车辆设备有限公司 | A kind of dirt tank cleaning system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206739263U (en) | A kind of power plant chemistry purging system loop fast switching system | |
| CN206113759U (en) | Online cleaning system of condenser | |
| CN102913887B (en) | Steam-generating device used for electric steam box | |
| CN206817442U (en) | A kind of new super " super " boilers activation system | |
| CN208282216U (en) | A kind of heat-exchange system with steam standby heat source | |
| CN111672837B (en) | Pipeline high-flow flushing method | |
| CN106224937B (en) | A kind of steam generator heat-energy recovering apparatus and steam generator system | |
| CN104864448A (en) | Energy-saving hot water supply system | |
| CN106765023A (en) | It is a kind of new super（It is super）Boilers activation system | |
| CN206146292U (en) | Nonmetallic heat exchanger who washes can spray | |
| CN110017474B (en) | Water washing process after chemical cleaning of boiler | |
| CN206739251U (en) | Industrial Boiler afterheat generating system | |
| CN201964833U (en) | On-line forced back flushing device for cooler | |
| KR102015261B1 (en) | One path chemical cleaning system and one path chemical cleaning method for power plant | |
| CN106643277B (en) | A kind of boiler of power generation by waste heat membrane off-line cleaning system and method | |
| CN109404875A (en) | A kind of cold conditions purging method of the ultra supercritical double reheat boiler without circulating pump | |
| CN205227382U (en) | Intelligent clearance control system of air preheater | |
| CN104545712A (en) | Steam cleaner steam control device | |
| CN218410869U (en) | Power plant condenser circulating water side backwashing device | |
| CN205279054U (en) | Cold sediment machine cooling system of direct air cooling steam extraction type turbo generator set | |
| CN212431911U (en) | Condenser rubber ball cleaning system | |
| CN202133094U (en) | Electric boiler provided with water circulating pump | |
| CN212252574U (en) | Heat power type energy-saving drainage flash tank | |
| CN209196827U (en) | Boiler pressure release water discharge controlling device | |
| CN202717852U (en) | Recovery device for condensation water in steam heating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20180515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |