CN207661755U - A kind of reheater - Google Patents
A kind of reheater Download PDFInfo
- Publication number
- CN207661755U CN207661755U CN201721425666.7U CN201721425666U CN207661755U CN 207661755 U CN207661755 U CN 207661755U CN 201721425666 U CN201721425666 U CN 201721425666U CN 207661755 U CN207661755 U CN 207661755U
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- China
- Prior art keywords
- heating device
- level
- reheater
- heat exchange
- filter bag
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- 238000010438 heat treatment Methods 0.000 claims abstract description 82
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000605 extraction Methods 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 230000009172 bursting Effects 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a kind of reheaters, including inlet flue duct, inlet flue duct is located at the upstream of reheater, the downstream of reheater is equipped with exhaust pass, reheater includes level-one heating device and two level heating device, and level-one heating device includes air inlet, gas outlet, multiple low-temperature heat exchange pipes and 2 the first connecting tubes；Two level heating device includes multiple high-temperature heat exchange tubes and 2 the second connecting tubes, second connecting tube is located at the upper and lower ends (being same as above) of high-temperature heat exchange tube, the center of high-temperature heat exchange tube along its length is equipped with heat conducting bar, and heat conducting bar is fixedly connected with high-temperature heat exchange tube；Level-one heating device is connect with the two level heating device by circulation pipe；It is additionally provided with emergent heat exchanger and rotary type heat exchanger, the upstream of level-one heating device is equipped with the first filter bag, and the downstream of two level heating device is equipped with the second filter bag, and rotary type heat exchanger is located at the downstream of the second filter bag.The utility model heating effect is good, and dedusting effect on moisture extraction is good.
Description
Technical field
The utility model is related to neat stress after wet desulphurization to reheat technical field, more particularly to a kind of reheater.
Background technology
It is heated again it is well known that reheater is substantially a kind of low-pressure steam for doing work(and reaches certain temperature
Steam superheater, reheater further improves the thermal efficiency of power plant cycle, and makes the vapor (steam) temperature of last stage vane of steam turbine
Control is in allowed limits.
In China, flue gas desulfurization field is usually mounted with reheater, for heating desulfurizing tower flue-gas temperature to 80 DEG C or so,
To improve atmosphere hoist height, mitigate atmosphere pollution, currently, reheater includes mainly swinging reheater and tubular type reheater,
The common swinging reheater in the country, but it is there are system flow complexity, initial investment is big, operation and maintenance cost is high, and equipment is rotten
The shortcomings of erosion and stifled ash, limit application of the reheater in desulfuration field.
To overcome the above disadvantages, the positive innovation research of the designer, to create a kind of novel reheater.
Utility model content
For the utility model mainly solving the technical problems that providing a kind of reheater, heating effect is good, dedusting dehumidifying effect
Fruit is good.
In order to solve the above technical problems, the technical solution that the utility model uses is：A kind of reheater is provided, including
Inlet flue duct, the inlet flue duct are located at the upstream of reheater, and the downstream of the reheater is equipped with exhaust pass, the reheater
Including level-one heating device and two level heating device, the two level heating device is located at the downstream of the level-one heating device, institute
It includes air inlet, gas outlet, multiple low-temperature heat exchange pipes and 2 the first connecting tubes, the low-temperature heat exchange pipe to state level-one heating device
Length direction along the reheater is intervally arranged, and one end of the low-temperature heat exchange pipe is connect with one first connecting tube, and institute
The low-temperature heat exchange pipe other end is stated to connect with another first connecting tube；
The two level heating device includes multiple high-temperature heat exchange tubes and 2 the second connecting tubes, the second connecting tube difference
Positioned at the upper and lower ends (being same as above) of the high-temperature heat exchange tube, the center of the high-temperature heat exchange tube along its length is equipped with heat conducting bar,
The heat conducting bar is fixedly connected with the high-temperature heat exchange tube；
The level-one heating device is connect with the two level heating device by circulation pipe；
It is additionally provided with emergent heat exchanger and rotary type heat exchanger, the emergent heat exchanger is located at the level-one heating device and institute
Between stating two level heating device, the upstream of the level-one heating device is equipped with the first filter bag, the downstream of the two level heating device
Equipped with the second filter bag, the rotary type heat exchanger is located at the downstream of second filter bag.
It further says, the level-one heating device, two level heating device, emergent heat exchanger, rotary type heat exchanger, first
Filter bag and second filter bag are respectively positioned in reheater shell.
It further says, the emergent heat exchanger is connect with the lower end of the reheater shell, the rotary type heat exchanger
It is connect with the lower end of the reheater shell.
It further says, the low-temperature heat exchange pipe and first connecting tube are fixedly connected with the reheater shell, institute
It states high-temperature heat exchange tube and second connecting tube is fixedly connected with the reheater shell, the air inlet and the gas outlet are worn
Cross the reheater shell.
Further to say, the upper end of first filter bag and the second filter bag and the reheater shell is all detachably connected,
First filter bag and the second filter bag are the filter bag equipped with drier and dedusting agent.
It further says, the level-one heating device and the two level heating device are arranged by horizontal direction, institute
It states low-temperature heat exchange pipe and the high-temperature heat exchange tube is arranged by vertical direction.
It further says, is additionally provided with control system and temperature sensor, the level-one heating device and two level heating
The lower end of device is equipped with the temperature sensor, and the temperature sensor, emergent heat exchanger and the rotary type heat exchanger are equal
It is connect with the control system.
The utility model has the beneficial effects that：
One, the utility model is equipped with drying due to having the first filter bag and the second filter bag in the first filter bag and the second filter bag
Agent and dedusting agent, it is possible to absorb the dust and vapor in neat stress, dry and dedusting twice be carried out to neat stress, to warp
The neat stress for crossing wet desulphurization dehumidifies, and effect on moisture extraction is good；
Two, first filter bag of the utility model and the second filter bag and reheater shell are detachably connected, can will be used
Drier and dedusting agent take out, and not used drier and dedusting agent are reloaded, easy to operate, easy to use；
Three, the level-one heating device of the utility model and two level heating device lower end are equipped with temperature sensor, temperature sensing
Device can pass the temperature sensed back control system in time, facilitate control system to adjust and control in time temperature in shop, avoid temperature
It spends height and causes bursting and damaging for pipeline；
Four, the emergent heat exchanger of the utility model can be used in reheater when the temperature is excessively high, to avoid causing adverse consequences,
It exchanges heat to temperature in pipe, is emergency measure, simple in structure, reasonable design so that the practicability of the utility model is further
It improves.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Each section label is as follows in attached drawing：
Inlet flue duct 1, exhaust pass 2, level-one heating device 3, low-temperature heat exchange pipe 31, the first connecting tube 32, high temperature heat exchange
Device 4, the second connecting tube 41, the first filter bag 51, the second filter bag 52, circulation pipe 6, air inlet 71, gas outlet 72, heat conducting bar 8, reheating
Device 9, reheater shell 91, emergent heat exchanger 101, rotary type heat exchanger 102, two level heating device 11,12 and of temperature sensor
Control system 13.
Specific implementation mode
Illustrate that specific embodiment of the present utility model, those skilled in the art can below by way of particular specific embodiment
The advantages of the utility model is understood by content disclosed in the present specification easily and effect.The utility model can also it is other not
Same mode is practiced, that is, under the scope of revealed without departing substantially from the utility model, can give different modification and change.
Embodiment：A kind of reheater, as shown in Figure 1, inlet flue duct 1, the inlet flue duct is located at the upstream of reheater 9,
The downstream of the reheater is equipped with exhaust pass 2, and the reheater includes level-one heating device and two level heating device, and described two
Grade heating device is located at the downstream of the level-one heating device, the level-one heating device 3 including air inlet 71, gas outlet 72,
Multiple low-temperature heat exchange pipes 31 and 2 the first connecting tubes 32, the low-temperature heat exchange pipe are arranged along the length direction interval of the reheater
Cloth, and one end of the low-temperature heat exchange pipe is connect with one first connecting tube, and the low-temperature heat exchange pipe other end and another first
Connecting tube connects；
The two level heating device 11 includes multiple high-temperature heat exchange tubes 4 and 2 the second connecting tubes 41, second connecting tube
The upper and lower ends (being same as above) of the high-temperature heat exchange tube are located at, the center of the high-temperature heat exchange tube along its length is equipped with heat conduction
Bar 8, the heat conducting bar are fixedly connected with the high-temperature heat exchange tube；
The level-one heating device is connect with the two level heating device by circulation pipe 6；
It is additionally provided with emergent heat exchanger 101 and rotary type heat exchanger 102, the emergent heat exchanger is located at level-one heating dress
It sets between the two level heating device, the upstream of the level-one heating device is equipped with the first filter bag 51, the two level heating dress
The downstream set is equipped with the second filter bag 52, and the rotary type heat exchanger is located at the downstream of second filter bag.
The level-one heating device, two level heating device, emergent heat exchanger, rotary type heat exchanger, the first filter bag and described
Second filter bag is respectively positioned in reheater shell 91.
The emergent heat exchanger is connect with the lower end of the reheater shell, the rotary type heat exchanger and the reheater
The lower end of shell connects.
The low-temperature heat exchange pipe and first connecting tube are fixedly connected with the reheater shell, the high-temperature heat exchange tube
It is fixedly connected with second connecting tube with the reheater shell, the air inlet and the gas outlet pass through the reheater
Shell.
The upper end of first filter bag and the second filter bag and the reheater shell is all detachably connected, first filter bag
It is the filter bag equipped with drier and dedusting agent with the second filter bag.
The level-one heating device and the two level heating device are arranged by horizontal direction, the low-temperature heat exchange pipe
It is arranged by vertical direction with the high-temperature heat exchange tube.
Control system 13 and temperature sensor 12 are additionally provided with, under the level-one heating device and the two level heating device
End is equipped with the temperature sensor, the temperature sensor, emergent heat exchanger and the rotary type heat exchanger with the control
System connection processed.
The operation principle and the course of work of the utility model are as follows：The utility model in use, neat stress from into
Mouth flue enters, and first passes around level-one heating device and is heated, and level-one heating device is equipped with air inlet and gas outlet, flue gas warp
After crossing level-one heating devices heat, into two level heating device, two level heating device is equipped with heat conducting bar, level-one heating device and two
Grade heating device is connected by circulation pipe, and emergent heat exchanger is equipped between level-one heating device and two level heating device, avoids temperature
Spending height causes pipe bursting etc., level-one heating device and two level heating device lower part to facilitate control system equipped with temperature sensor
The temperature of control in time and adjustment reheater, level-one heating device upstream and two level heating device downstream are used for equipped with filter bag
Dust and vapor are absorbed, is discharged into chimney by exhaust pass by the neat stress heated twice.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure made based on the specification and figures of the utility model is applied directly or indirectly in other relevant technologies
Field is equally included in the patent within the scope of the utility model.
Claims (7)
1. a kind of reheater, it is characterised in that：Including inlet flue duct (1), the inlet flue duct is located at the upstream of reheater (9),
The downstream of the reheater is equipped with exhaust pass (2), and the reheater includes level-one heating device and two level heating device, described
Two level heating device is located at the downstream of the level-one heating device, and the level-one heating device (3) includes air inlet (71), outlet
Mouth (72), multiple low-temperature heat exchange pipes (31) and 2 the first connecting tubes (32), length of the low-temperature heat exchange pipe along the reheater
Direction is intervally arranged, and one end of the low-temperature heat exchange pipe is connect with one first connecting tube, and the low-temperature heat exchange pipe other end
It is connect with another first connecting tube；
The two level heating device (11) includes multiple high-temperature heat exchange tubes (4) and 2 the second connecting tubes (41), second connection
Pipe is located at the upper and lower ends of the high-temperature heat exchange tube, and the center of the high-temperature heat exchange tube along its length is equipped with heat conducting bar
(8), the heat conducting bar is fixedly connected with the high-temperature heat exchange tube；
The level-one heating device is connect with the two level heating device by circulation pipe (6)；
It is additionally provided with emergent heat exchanger (101) and rotary type heat exchanger (102), the emergent heat exchanger is located at level-one heating dress
It sets between the two level heating device, the upstream of the level-one heating device is equipped with the first filter bag (51), the two level heating
The downstream of device is equipped with the second filter bag (52), and the rotary type heat exchanger is located at the downstream of second filter bag.
2. reheater according to claim 1, it is characterised in that:The level-one heating device, is met an urgent need at two level heating device
Heat exchanger, rotary type heat exchanger, the first filter bag and second filter bag are respectively positioned in reheater shell (91).
3. reheater according to claim 1, it is characterised in that:Under the emergent heat exchanger and the reheater shell
End connection, the rotary type heat exchanger are connect with the lower end of the reheater shell.
4. reheater according to claim 1, it is characterised in that:The low-temperature heat exchange pipe and first connecting tube and institute
Reheater shell to be stated to be fixedly connected, the high-temperature heat exchange tube and second connecting tube are fixedly connected with the reheater shell,
The air inlet and the gas outlet pass through the reheater shell.
5. reheater according to claim 1, it is characterised in that:First filter bag and the second filter bag and the reheater
The upper end of shell is all detachably connected, and first filter bag and the second filter bag are the filter bag equipped with drier and dedusting agent.
6. reheater according to claim 1, it is characterised in that:The level-one heating device and the two level heating device
It is arranged by horizontal direction, the low-temperature heat exchange pipe and the high-temperature heat exchange tube are arranged by vertical direction.
7. reheater according to claim 1, it is characterised in that：It is additionally provided with control system (13) and temperature sensor
(12), the lower end of the level-one heating device and the two level heating device is equipped with the temperature sensor, and the temperature passes
Sensor, emergent heat exchanger and the rotary type heat exchanger are connect with the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721425666.7U CN207661755U (en) | 2017-10-31 | 2017-10-31 | A kind of reheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721425666.7U CN207661755U (en) | 2017-10-31 | 2017-10-31 | A kind of reheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207661755U true CN207661755U (en) | 2018-07-27 |
Family
ID=62937572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721425666.7U Active CN207661755U (en) | 2017-10-31 | 2017-10-31 | A kind of reheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207661755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531574A (en) * | 2021-06-25 | 2021-10-22 | 华能八〇三热电有限公司 | Program control device for exhaust gas temperature of power station boiler |
-
2017
- 2017-10-31 CN CN201721425666.7U patent/CN207661755U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531574A (en) * | 2021-06-25 | 2021-10-22 | 华能八〇三热电有限公司 | Program control device for exhaust gas temperature of power station boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100043 1201, 12 / F, building 1, yard 6, Yinhe street, Shijingshan District, Beijing Patentee after: CHINA DATANG GROUP SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE CO., LTD. THERMAL POWER TECHNOLOGY Research Institute Country or region after: China Address before: 100043 1201, 12 / F, building 1, yard 6, Yinhe street, Shijingshan District, Beijing Patentee before: CHINA DATANG CORPORATION SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE CO.,LTD. THERMAL POWER TECHNOLOGY INSTITUTE Country or region before: China |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240415 Address after: 100040 1515, Floor 15, Building 1, Yard 6, Yinhe Street, Shijingshan District, Beijing Patentee after: North China electric power test and Research Institute of China Datang Group Science and Technology Research Institute Co.,Ltd. Country or region after: China Patentee after: Datang (Beijing) Energy Technology Co.,Ltd. Address before: 100043 1201, 12 / F, building 1, yard 6, Yinhe street, Shijingshan District, Beijing Patentee before: CHINA DATANG GROUP SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE CO., LTD. THERMAL POWER TECHNOLOGY Research Institute Country or region before: China |
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| TR01 | Transfer of patent right |