CN208042157U - A kind of draining system of waste incinerator - Google Patents
A kind of draining system of waste incinerator Download PDFInfo
- Publication number
- CN208042157U CN208042157U CN201820395572.8U CN201820395572U CN208042157U CN 208042157 U CN208042157 U CN 208042157U CN 201820395572 U CN201820395572 U CN 201820395572U CN 208042157 U CN208042157 U CN 208042157U
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- China
- Prior art keywords
- oxygen
- hydrophobic
- eliminating device
- air preheater
- development unit
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Abstract
The utility model discloses a kind of draining systems of waste incinerator, including air preheater, hydrophobic development unit, drain tank, bypass duct and oxygen-eliminating device, it is connected to by main drain between the hydrophobic outlet and hydrophobic development unit of air preheater, one end of drain tank is connected with hydrophobic development unit, the other end is connected by drainage pump with oxygen-eliminating device, one end of bypass duct is arranged on main drain, and the other end is connected with oxygen-eliminating device；The heating steam being discharged from the hydrophobic outlet of air preheater is conveyed to oxygen-eliminating device by bypass duct, make full use of heating steam, effectively improve oxygen-eliminating device water and water supply capacity, and then the thermal efficiency of boiler is improved, in addition, being provided with pipeline control valve on each pipeline, in service conduits, the mutual switching of pipeline can be realized by adjusting pipeline control valve, avoid the heating steam operation that need to exit air preheater in maintenance, effectively improve the production efficiency of boiler.
Description
Technical field
The utility model is related to waste incinerator field, especially a kind of draining system of waste incinerator.
Background technology
At present in thermal power plant, hydrophobic air preheater in waste incinerator is typically all by drain water piping general
Water drains into flash vessel, and recycling is to drain tank, but since pot furnace pressure and temperature are higher, causes to be discharged from air preheater
A large amount of steam water interfaces are not condensed fully, these steam water interfaces by direct dispatch to hydrophobic development unit, and it is final
Be discharged into air by discharge duct, lead to the waste of resource, such as heat-energy losses and saltwater lost, air preheater with dredge
Pipeline between water flash vessel causes pipeline corrosion serious, needs frequent due to being washed away for a long time by high temperature steam water interface
Repair needs the heating steam operation for stopping air preheater, the heat exchange of boiler can be caused during this during maintenance
Reduced performance.
Invention content
For overcome the deficiencies in the prior art, the utility model offer one kind is simple in structure, production cost is low, production efficiency
The draining system of high waste incinerator.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of draining system of waste incinerator, including air preheater, hydrophobic development unit, drain tank, bypass duct and
Oxygen-eliminating device is connected between the hydrophobic outlet and the hydrophobic development unit of the air preheater by main drain, described hydrophobic
One end of case is connected with the hydrophobic development unit, and the other end is connected by drainage pump with the oxygen-eliminating device, the shunt valve
The one end in road is arranged on the main drain, and the other end is connected with the oxygen-eliminating device.
It is provided with lateral on the bypass duct.
It is equipped with pipeline control valve on the main drain, bypass duct and lateral.
The utility model has the beneficial effects that：The utility model is by bypass duct from the hydrophobic outlet of air preheater
The steam water interface of discharge is conveyed to oxygen-eliminating device, makes full use of steam water interface, effectively improves oxygen-eliminating device water and water supply capacity,
And then the thermal efficiency for improving boiler, in service conduits, can pass through regulation pipe in addition, being provided with pipeline control valve on each pipeline
Road control valve realizes the mutual switching of pipeline, avoids the heating steam operation that air preheater need to be exited in maintenance, effectively
Improve the heat exchange performance of boiler.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
Referring to Fig.1, a kind of draining system of waste incinerator, including air preheater 1, hydrophobic development unit 2, drain tank 3,
Bypass duct 7 and oxygen-eliminating device 4 pass through hydrophobic master between the hydrophobic outlet 13 and the hydrophobic development unit 2 of the air preheater 1
Pipe 5 is connected to, and one end of the drain tank 3 is connected with the hydrophobic development unit 2, and the other end passes through drainage pump 6 and the deoxygenation
Device 4 is connected, and one end of the bypass duct 7 is arranged on the main drain 5, and the other end is connected with the oxygen-eliminating device 4,
The air preheater 1 provides heating steam 11 and carries out drying and processing to the rubbish 12 of high-moisture, low heat value, and by it is hydrophobic go out
Steam water interfaces are discharged in mouth 13, and a part of steam water interface is transmitted to the hydrophobic development unit 2 by the main drain 5, by
The hydrophobic development unit 2 carries out condensation process to this part steam water interface, and water is emitted into the drain tank 3, there is small part
Hot steam 14 is discharged from the hydrophobic development unit 2, and the water being collected into is delivered to by the drain tank 3 by the drainage pump 6
The oxygen-eliminating device 4 carries out deoxygenation processing, and oxygen 15 is discharged from the upper end of the oxygen-eliminating device 4, and the anaerobic water 16 that oxygen-eliminating device 4 is collected is then
Boiler is conveyed to by feed pump 10 to utilize；Another part steam water interface is then fed directly to institute by the bypass duct 7
Oxygen-eliminating device 4 is stated, by adding bypass duct 7, can effectively avoid a large amount of hot steam from being discharged from the hydrophobic development unit 2,
These hot steams are taken full advantage of, hot loss of energy is effectively reduced, oxygen-eliminating device 4 can be effectively improved and change water and water supply capacity, into
And improve the thermal efficiency of boiler.
In the present embodiment, lateral 8, the main drain 5,7 and of bypass duct are provided on the bypass duct 7
Pipeline control valve 9 is equipped on lateral 8, it, can be by adjusting the pipeline control valve 9 by Awaiting Overhaul in service conduits
Then closedown of pipeline opens other pipelines, realize the mutual switching between pipeline, can avoid that in maintenance air preheat need to be exited
The heating steam of device 1 is run, and effectively improves the heat exchange performance of boiler.
Above embodiment cannot limit the protection domain of the invention, and the personnel of professional skill field are not departing from
In the case of the invention general idea, the impartial modification and variation done still fall within the range that the invention is covered
Within.
Claims (3)
1. a kind of draining system of waste incinerator, including air preheater（1）, hydrophobic development unit（2）, drain tank（3）With except
Oxygen device（4）, the air preheater（1）Hydrophobic outlet（13）With the hydrophobic development unit（2）Between pass through main drain（5）
Connection, the drain tank（3）One end and the hydrophobic development unit（2）It is connected, the other end passes through drainage pump（6）It is removed with described
Oxygen device（4）It is connected, it is characterised in that further include bypass duct（7）, the bypass duct（7）One end be arranged described hydrophobic
Supervisor（5）On, the other end and the oxygen-eliminating device（4）It is connected.
2. the draining system of waste incinerator according to claim 1, it is characterised in that the bypass duct（7）Upper setting
There is lateral（8）.
3. the draining system of waste incinerator according to claim 2, it is characterised in that the main drain（5）, bypass
Pipeline（7）And lateral（8）On be equipped with pipeline control valve（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820395572.8U CN208042157U (en) | 2018-03-22 | 2018-03-22 | A kind of draining system of waste incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820395572.8U CN208042157U (en) | 2018-03-22 | 2018-03-22 | A kind of draining system of waste incinerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208042157U true CN208042157U (en) | 2018-11-02 |
Family
ID=63947934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820395572.8U Active CN208042157U (en) | 2018-03-22 | 2018-03-22 | A kind of draining system of waste incinerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208042157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048505A (en) * | 2021-03-30 | 2021-06-29 | 攀钢集团西昌钢钒有限公司 | Exhaust steam recovery system and method for boiler air heater |
-
2018
- 2018-03-22 CN CN201820395572.8U patent/CN208042157U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048505A (en) * | 2021-03-30 | 2021-06-29 | 攀钢集团西昌钢钒有限公司 | Exhaust steam recovery system and method for boiler air heater |
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