CN206682924U - A kind of Fluidized Bed Boiler slag cooler cools down exchange system - Google Patents
A kind of Fluidized Bed Boiler slag cooler cools down exchange system Download PDFInfo
- Publication number
- CN206682924U CN206682924U CN201720332355.XU CN201720332355U CN206682924U CN 206682924 U CN206682924 U CN 206682924U CN 201720332355 U CN201720332355 U CN 201720332355U CN 206682924 U CN206682924 U CN 206682924U
- Authority
- CN
- China
- Prior art keywords
- heat supply
- supply network
- water
- slag cooler
- pipe
- 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
Landscapes
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
A kind of Fluidized Bed Boiler slag cooler cools down exchange system, belongs to slag cooler technical field.It is characterized in that：In heat supply network circulation control valve（17）Pass through hot net water feed pipe respectively in the heat supply network recirculation return pipe of entrance side（6）With cool back flow tube（7）With the CWR of slag cooler（2）And cooling water supply pipe（10）It is connected, forms high pressure operating mode cooling circulation line, hot net water feed pipe（6）With cool back flow tube（7）On be respectively equipped with operating mode switch valve.The utility model sets up cooling circulation line between heat supply network recirculation return pipe and slag cooler cooling water circulation pipeline, the cooling water source in unit high back pressure operating mode by the use of heat supply network recirculated water backwater as slag cooler, after being cooled down by slag cooler, it can also be flowed back to again among the heat supply network circulatory system by CWR, the heat supply network pipe network recycle heat of itself is made full use of to realize cooling, whole system is simple, improvement cost is relatively low.
Description
Technical field
A kind of Fluidized Bed Boiler slag cooler cools down exchange system, belongs to slag cooler technical field.
Background technology
At present, heat supply extraction and condensing unit has transform double back pressure birotor interchangeable heat supply steam turbine groups as, and so-called double back pressures are double
Rotor interchangeable heat supply steam turbine group is exactly summer using taking out solidifying operating mode operation, and Condenser Design back pressure is 4.9KPa, condenser
Heat is all taken away by open circulating water, and air is drained into by cooling tower；Winter is run using high back pressure operating mode, and design back-pressure is
45KPa, municipal heating systems recirculated water absorb low pressure (LP) cylinder exhausted spare heat, make full use of machine as condenser cooling water, heat supply network recirculated water
The cold source energy of group carries out concentrated supply of heating in the city.
Extraction and condensing unit boiler is fluidized-bed combustion boiler, is equipped with rolling-cylinder type slag-cooler, specified bed drain purge 9t/h, maximum bed drain purge
12t/h, cooling water use steam turbine condensate, cool down the water hardness<0.03, softened water or condensate inflow temperature are less than or equal to 55
DEG C, slag input temperature≤1000 DEG C, deslagging temperature≤100 DEG C.After the transformation of steam turbine high back pressure, condensing water temperature coagulates more than 75 DEG C
Water can not be used as boiler slag-cooling device cooling water, and boiler slag-cooling device loses cooling water source, and slag cooler can not deslagging.
In view of the above-mentioned problems, the mode of the newly-increased closed cooling water system of generally use solves boiler slag-cooling device no-cooling-water and asked
Topic, but such a mode need to newly increase the equipment such as enclosed cooling water pump, closed water cooler, and investment is big, and O＆M cost is high.
The content of the invention
Technical problem to be solved in the utility model is：Overcome the deficiencies in the prior art, there is provided it is a kind of it is simple in construction, into
This relatively low, cooling water source by the use of heat supply network circulating backwater as slag cooler under high pressure operating mode, ensure the normal deslagging of slag cooler
Fluidized Bed Boiler slag cooler cools down exchange system.
The utility model solves the technical scheme that its technical problem uses：The Fluidized Bed Boiler slag cooler cools down substitution line
System, including condenser, the water inlet of the water side connection condenser of heat supply network recirculation return pipe, it is characterised in that：Heat supply network is recycled back to
Heat supply network circulation control valve is provided between water pipe and the water inlet of condenser, is recycled back in the heat supply network of heat supply network circulation control valve entrance side
Hot net water feed pipe is connected with the cooling water supply pipe of slag cooler on water pipe, by cooling back flow tube and CWR phase
Even, form high pressure operating mode cooling circulation line, hot net water feed pipe and cool back operating mode switch valve is respectively equipped with flow tube.
The utility model sets up cooling circulation line between heat supply network recirculation return pipe and slag cooler cooling water circulation pipeline,
By the use of heat supply network recirculated water backwater as slag cooler, cooling water source, hot net water in unit high back pressure operating mode belong to softened water, water
Matter can meet slag cooler to water quality requirement, and heat supply network recirculated water return water temperature is normally controlled in 50 DEG C~55 DEG C, fully meets cold
Slag device can also flow back to heat supply network circulation again to the demand of cooling water, and after slag cooler cooling by CWR
Among system, the normal operation of pipe network and other equipment is not influenceed, makes full use of the heat supply network pipe network recycle heat of itself to realize
Cooling, whole system is simple, improvement cost is relatively low, the equipment larger without acquisition cost, input it is smaller, maintenance cost also compared with
It is low.
Described hot net water feed pipe and the link position of heat supply network recirculation return pipe circulate higher than flow tube is cooled back with heat supply network
The link position of return pipe.When using the leaving water temperature of heat supply network recirculation return pipe, and heat supply network recirculation return pipe is not influenceed just
Often operation, the water of the heat supply network recirculation return pipe after cooling down can also flow back in heat supply network circulation line again.
Described hot net water feed pipe is provided with heat supply network circulating backwater control valve, and the both ends of heat supply network circulating backwater control valve are simultaneously
It is associated with counter-flushing pipeline.Backwashing system is set up, to ensure condenser unit in summer, when switching to pure condensate operating mode, profit
During by the use of condenser condensed water as slag cooler cooling water, the water quality qualification rate of condensate.
Described counter-flushing pipeline includes backwash valve one, screen pack and the backwash valve two of series connection.
Described CWR connects threeway connection by return pipe and cools back flow tube, and cooling water supply pipe passes through confession
Water pipe connection threeway connection hot net water feed pipe, cools back flow tube and is provided with condensation water-returning control valve.
The CWR of described return pipe connection threeway water side is provided with cooling backwater control valve, and feed pipe connects
The cooling water supply pipe for connecing threeway water inlet end is provided with cooling water supply control valve.
Compared with prior art, beneficial effect possessed by the utility model is：The utility model is in heat supply network circulating backwater
Cooling circulation line is set up between pipe and slag cooler cooling water circulation pipeline, is existed by the use of heat supply network recirculated water backwater as slag cooler
Cooling water source during unit high back pressure operating mode, water quality can meet slag cooler to water quality requirement, and heat supply network recirculated water return water temperature is usual
Control fully meets demand of the slag cooler to cooling water, and after slag cooler cooling, can also pass through cooling at 50~55 DEG C
Water return pipe flows back among the heat supply network circulatory system again, does not influence the normal operation of pipe network and other equipment, makes full use of heat supply network
The recycle heat of pipe network itself cools down to realize, whole system is simple, improvement cost is relatively low, and larger without acquisition cost sets
Standby, input is smaller, and increase equipment is few, and initial cost is few, and maintenance cost is relatively low.
Brief description of the drawings
Fig. 1 is that Fluidized Bed Boiler slag cooler cools down exchange system structural representation.
Wherein, 1, condenser 2, CWR 3, cooling backwater control valve 4, return pipe connection threeway 5, supply water
Pipe connection threeway 6, hot net water feed pipe 7, cool back flow tube 8, condense water-returning control valve 9, cooling water supply control valve 10,
Cooling water supply pipe 11, heat supply network circulating backwater control valve 12, backwash valve 1, screen pack 14, backwash valve 2 15,
Heat supply network recirculated water return pipe 1, heat supply network recirculated water return pipe 2 17, heat supply network circulation control valve.
Embodiment
Fig. 1 is most preferred embodiment of the present utility model, and 1 pair of the utility model is described further below in conjunction with the accompanying drawings.
Referring to the drawings 1：A kind of Fluidized Bed Boiler slag cooler cools down exchange system, including condenser 1 and heat supply network circulating backwater
Pipe, the water inlet of the water side connection condenser 1 of heat supply network recirculation return pipe, heat supply network recirculation return pipe and the water inlet of condenser 1
Between be provided with heat supply network circulation control valve 17, in the heat supply network recirculation return pipe of the entrance side of heat supply network circulation control valve 17 hot net water supply water
Pipe 6 is connected with the cooling water supply pipe 10 of slag cooler, is connected by cooling back flow tube 7 with CWR 2, forms high pressure work
Condition cools down circulation line, hot net water feed pipe 6 and cools back operating mode switch valve is respectively equipped with flow tube 7.
Hot net water feed pipe 6 and the link position of heat supply network recirculation return pipe, which are higher than, cools back flow tube 7 and heat supply network circulating backwater
The link position of pipe.Hot net water feed pipe 6 is provided with heat supply network circulating backwater control valve 11, and the two of heat supply network circulating backwater control valve 11
End is parallel with counter-flushing pipeline.Counter-flushing pipeline includes backwash valve 1, screen pack 13 and the backwash valve 2 14 of series connection.Instead
Rinse-system is qualified to ensure unit condensate water quality when switching to pure condensate operating mode.
CWR 2 connects the connection of threeway 4 by return pipe and cools back flow tube 7, and cooling water supply pipe 10 passes through confession
Water pipe connection threeway 5 connects hot net water feed pipe 6, cools back flow tube 7 and is provided with condensation water-returning control valve 8.Return pipe connection three
The CWR 2 of logical 4 water sides is provided with cooling backwater control valve 3, and the cooling water of the feed pipe connection water inlet end of threeway 5 supplies
Water pipe 10 is provided with cooling water supply control valve 9.
Operation principle and the course of work：Using heat supply network recirculated water backwater（Temperature is normally controlled in 50 DEG C~55 DEG C）As cold
The cooling water source in unit high back pressure operating mode of slag device.
Specifically annexation is：DN150 pipelines are picked out on heat supply network recirculated water return pipe 1 as hot net water feed pipe
6, it is connected with the cooling water supply pipe 10 of slag cooler, as water source, installs the control of heat supply network circulating backwater additional on hot net water feed pipe 6
Valve 11, guarantee system can isolate switching.
DN150 pipelines are picked out again on heat supply network recirculated water return pipe 2 16 as flow tube 7 is cooled back, with CWR
2 are connected, and as CWR, are installed additional on flow tube 7 is cooled back and condense water-returning control valve 8, guarantee system, which can isolate, cuts
Change.Heat supply network backwater enters slag cooler after the boosting of slag cooler cooling water pump and carries out cooling effect, is then back in heat network system, real
Existing complete cycle.
It is described above, only it is preferred embodiment of the present utility model, is not that other forms are made to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of change.But it is every without departing from the content of the technical scheme of the utility model, it is real according to technology of the present utility model
Any simple modification, equivalent variations and the remodeling that confrontation above example is made, still fall within the guarantor of technical solutions of the utility model
Protect scope.
Claims (6)
1. a kind of Fluidized Bed Boiler slag cooler cools down exchange system, including condenser（1）, the water side of heat supply network recirculation return pipe connects
Connect condenser（1）Water inlet, it is characterised in that：Heat supply network recirculation return pipe and condenser（1）Water inlet between be provided with heat supply network
Circulation control valve（17）, in heat supply network circulation control valve（17）Pass through hot net water feed pipe in the heat supply network recirculation return pipe of entrance side
（6）With the cooling water supply pipe of slag cooler（10）It is connected, by cooling back flow tube（7）With CWR（2）It is connected, is formed
High pressure operating mode cools down circulation line, hot net water feed pipe（6）With cool back flow tube（7）On be respectively equipped with operating mode switch valve.
A kind of 2. Fluidized Bed Boiler slag cooler cooling exchange system according to claim 1, it is characterised in that：Described heat
Net water feed pipe（6）It is higher than with the link position of heat supply network recirculation return pipe and cools back flow tube（7）With the company of heat supply network recirculation return pipe
Connect position.
A kind of 3. Fluidized Bed Boiler slag cooler cooling exchange system according to claim 1, it is characterised in that：Described heat
Net water feed pipe（6）It is provided with heat supply network circulating backwater control valve（11）, heat supply network circulating backwater control valve（11）Both ends be parallel with
Counter-flushing pipeline.
A kind of 4. Fluidized Bed Boiler slag cooler cooling exchange system according to claim 3, it is characterised in that：Described is anti-
Flushing line includes the backwash valve one of series connection（12）, screen pack（13）With backwash valve two（14）.
A kind of 5. Fluidized Bed Boiler slag cooler cooling exchange system according to claim 1, it is characterised in that：Described is cold
But water return pipe（2）Threeway is connected by return pipe（4）Connection cools back flow tube（7）, cooling water supply pipe（10）Pass through water supply
Pipe connects threeway（5）Connect hot net water feed pipe（6）, cool back flow tube（7）It is provided with and condenses water-returning control valve（8）.
A kind of 6. Fluidized Bed Boiler slag cooler cooling exchange system according to claim 5, it is characterised in that：Described returns
Water pipe connects threeway（4）The CWR of water side（2）It is provided with cooling backwater control valve（3）, feed pipe connection threeway
（5）The cooling water supply pipe of water inlet end（10）It is provided with cooling water supply control valve（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720332355.XU CN206682924U (en) | 2017-03-31 | 2017-03-31 | A kind of Fluidized Bed Boiler slag cooler cools down exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720332355.XU CN206682924U (en) | 2017-03-31 | 2017-03-31 | A kind of Fluidized Bed Boiler slag cooler cools down exchange system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206682924U true CN206682924U (en) | 2017-11-28 |
Family
ID=60390529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720332355.XU Expired - Fee Related CN206682924U (en) | 2017-03-31 | 2017-03-31 | A kind of Fluidized Bed Boiler slag cooler cools down exchange system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206682924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592378A (en) * | 2018-06-13 | 2018-09-28 | 北京京诚科林环保科技有限公司 | Fluidized bed boiler waste residue waste heat recovery utilizes system |
-
2017
- 2017-03-31 CN CN201720332355.XU patent/CN206682924U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592378A (en) * | 2018-06-13 | 2018-09-28 | 北京京诚科林环保科技有限公司 | Fluidized bed boiler waste residue waste heat recovery utilizes system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108644860A (en) | A kind of larger thermal power air-cooling units exhaust steam residual heat recycling heating system | |
| CN202768090U (en) | Recovery system of dead steam waste heat | |
| CN105697075A (en) | Extraction condensing heat supply system additionally provided with non-reheat medium-pressure steam turbine | |
| CN204255125U (en) | A kind of thermal power plant Direct Air-Cooled assists spike cooling system | |
| CN202561875U (en) | Waste heat recovery system with bypass for cooling tower of power plant | |
| CN104807245B (en) | A kind of low temperature heat system and residual-heat utilization method | |
| CN206682924U (en) | A kind of Fluidized Bed Boiler slag cooler cools down exchange system | |
| CN203788097U (en) | Stator cooling water heat recovery system for generator | |
| CN201032413Y (en) | Liquid sulphur cooling unit | |
| CN203584484U (en) | Condensate heating device of steam turbine generator unit by recycling residual heat of circulating water | |
| CN105737235A (en) | Waste heat recovery system and method | |
| CN210292036U (en) | High-efficient low vacuum waste heat recovery system | |
| CN107270373A (en) | One kind is classified cascade utilization heating system of drawing gas | |
| CN105422457B (en) | Oil free screw air compressor machine recuperation of heat gradient utilization system and control method | |
| CN208456680U (en) | Direct Air-cooled Unit feed pump turbine cold end system based on absorption heat pump | |
| CN207335221U (en) | Recirculated water and steam utilization system in winter condition brewing process | |
| CN207112961U (en) | The heating system that a kind of residual heat of condensed water couples with waste water residual heat | |
| CN106594703A (en) | Waste heat utilization system and waste heat utilization method adopting heat exchange between drained water of heating network and main condensed water in thermal power plant | |
| CN204881237U (en) | Steam heat transfer system with reinforce heat transfer effect | |
| CN209893979U (en) | Peak cooling system of indirect air cooling unit | |
| CN109296415B (en) | Combined cycle combined cooling heating power unit steam supply superheat degree utilization system | |
| CN208282242U (en) | A kind of heat pump integrates waste heat multiple-effect reuse bath hot water and prepares unit | |
| CN107327902B (en) | Heat supply network heater drainage energy recovery system and method suitable for fine treatment process | |
| CN207179770U (en) | A kind of Combined Cycle Unit Gateway Station in Heating Network system based on SSS clutches | |
| CN216408999U (en) | Cooling system of slag cooler of thermal power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 Termination date: 20200331 |