CN211316228U - Waste heat recovery device of coal-fired boiler - Google Patents
Waste heat recovery device of coal-fired boiler Download PDFInfo
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- CN211316228U CN211316228U CN201922246413.9U CN201922246413U CN211316228U CN 211316228 U CN211316228 U CN 211316228U CN 201922246413 U CN201922246413 U CN 201922246413U CN 211316228 U CN211316228 U CN 211316228U
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- waste heat
- recovery device
- recoverer
- outlet
- inlet
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- 239000002918 waste heat Substances 0.000 title claims abstract description 35
- 238000011084 recovery Methods 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000003546 flue gas Substances 0.000 claims abstract description 23
- 239000003245 coal Substances 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 10
- 239000010865 sewage Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 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
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- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The utility model discloses a coal fired boiler waste heat recovery device, including the recoverer body, first import department pass through the pipe connection air-blower, first exit pass through the pipe connection drying cabinet, the second import pass through the pipe connection flue gas waste heat case, the second export pass through the pipe connection draught fan, the inside water pipe that is equipped with of recoverer body, a water pipe outer end connect the water inlet, the delivery port is connected to another outer end, delivery port department connect holding water box, the delivery port inner wall be equipped with temperature sensor, the recoverer body outside be equipped with the controller of electric connection temperature sensor and air-blower, recoverer body upper end be equipped with the steam chest, this internal heat transfer stick that stretches into the steam chest that is equipped with of recoverer. Compared with the prior art, the utility model the advantage lie in: can make full use of the waste heat of the flue gas, and has high recovery efficiency.
Description
Technical Field
The utility model relates to a waste heat recovery device technical field specifically indicates a coal fired boiler waste heat recovery device.
Background
Coal fired boilers are devices which use coal as fuel and use heat generated by coal combustion to heat water or generate steam, and are common in coal fired boilers in China, but the coal fired boilers have the condition of low heat conversion efficiency, so that a flue gas waste heat recoverer of the coal fired boiler is required to recover and utilize flue gas waste heat generated by coal combustion, and the utilization efficiency is improved. Along with the continuous enhancement of people's environmental protection consciousness and resources saving consciousness, coal fired boiler flue gas waste heat recovery receives people's concern more and more, and traditional coal fired boiler flue gas waste heat recoverer is when retrieving the waste heat, because its simple structure itself, design are unreasonable, and recovery efficiency is low, can not carry out effectual utilization to the heat of retrieving, so need to improve traditional coal fired boiler flue gas waste heat recoverer to these problems urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above technical defect, providing a coal fired boiler waste heat recovery device, can make full use of flue gas waste heat, recovery efficiency is high.
In order to solve the technical problem, the utility model provides a technical scheme does: a coal-fired boiler waste heat recovery device comprises a recoverer body, wherein a first inlet is arranged at the upper end of one side of the recoverer body, a second outlet is arranged at the lower end of one side of the recoverer body, a first outlet is arranged at the upper end of the other side of the recoverer body, a second inlet is arranged at the lower end of the other side of the recoverer body, the first inlet is connected with an air blower through a pipeline, the first outlet is connected with a drying box through a pipeline, the second inlet is connected with a flue gas waste heat box through a pipeline, the second outlet is connected with an induced draft fan through a pipeline, a water pipe is arranged in the recoverer body and is bent and wound in the recoverer body, one outer end of the water pipe is connected with a water inlet, the other outer end of the water pipe is connected with a water outlet, a heat preservation water tank is connected at the water outlet, a, the heat recovery device is characterized in that a steam box is arranged at the upper end of the recovery device body, a heat transfer rod extending into the steam box is arranged in the recovery device body, and a steam outlet is formed in the upper end of the steam box.
Compared with the prior art, the utility model the advantage lie in: the utility model discloses the setting of temperature sensor, air-blower and controller can start the air-blower through the controller and introduce cold wind regulation temperature when the hot water high temperature of heating, and the setting of heat transfer stick and steam chest can further carry out the use in other aspects through the steam that utilizes the flue gas waste heat to produce, can make full use of flue gas waste heat, avoids the wasting of resources.
As a modification, the blower introduces cold air to the first inlet.
As an improvement, the drying box is filled with materials to be dried or to be supported.
As an improvement, the flue gas waste heat box is used for introducing flue gas to the second inlet.
As an improvement, the water temperature sensor and the air blower are both electrically connected with a single chip microcomputer in the controller, the single chip microcomputer transmits a signal to start the air blower when sensing that the water temperature is higher than a certain set temperature, and the controller is HWG-D12.
As an improvement, the upper end of the steam box is provided with a water inlet, the lower end of the steam box is provided with a sewage discharge outlet, and the top of the steam box is provided with a pressure gauge and a safety valve.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the recoverer body of the present invention.
As shown in the figure: 1. the recoverer comprises a recoverer body, 2, a first inlet, 3, a second outlet, 4, a first outlet, 5, a second inlet, 6, an air blower, 7, a drying box, 8, a flue gas waste heat box, 9, an induced draft fan, 10, a water pipe, 11, a water inlet, 12, a water outlet, 13, a heat preservation water tank, 14, a water temperature sensor, 15, a controller, 16, a steam box, 17, a heat transfer rod, 18, a steam outlet, 19, a water inlet, 20, a sewage discharge outlet, 21, a pressure gauge, 22 and a safety valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A coal-fired boiler waste heat recovery device comprises a recoverer body 1, wherein a first inlet 2 is arranged at the upper end of one side of the recoverer body 1, a second outlet 3 is arranged at the lower end of one side of the recoverer body, a first outlet 4 is arranged at the upper end of the other side of the recoverer body 1, a second inlet 5 is arranged at the lower end of the other side of the recoverer body, the first inlet 2 is connected with an air blower 6 through a pipeline, the first outlet 4 is connected with a drying box 7 through a pipeline, the second inlet 5 is connected with a flue gas waste heat box 8 through a pipeline, the second outlet 3 is connected with an induced draft fan 9 through a pipeline, a water pipe 10 is arranged inside the recoverer body 1, the water pipe 10 is bent and wound inside the recoverer body 1, one outer end of the water pipe 10 is connected with a water inlet 11, the other outer end of the water pipe is connected with a water outlet, the heat recovery device is characterized in that a controller 15 electrically connected with a water temperature sensor 14 and an air blower 6 is arranged on the outer side of the recovery device body 1, a steam box 16 is arranged at the upper end of the recovery device body 1, a heat transfer rod 17 extending into the steam box 16 is arranged in the recovery device body 1, and a steam outlet 18 is arranged at the upper end of the steam box 16.
The blower 6 introduces cold air to the first inlet 2.
The drying box 7 is filled with materials to be dried or to be combustion-supporting.
The flue gas waste heat box 8 is used for introducing flue gas to the second inlet 5.
The water temperature sensor 14 and the blower 6 are both electrically connected with a single chip microcomputer in the controller 15, the single chip microcomputer starts the blower 6 by transmitting a signal when sensing that the water temperature is higher than a certain set temperature, and the controller 15 is HWG-D12 in model.
The upper end of the steam box 16 is provided with a water inlet 19, the lower end is provided with a sewage draining exit 20, and the top is provided with a pressure gauge 21 and a safety valve 22.
The utility model discloses when concrete implementation, the flue gas waste heat heats to the water pipe through the recoverer body, when the temperature of heating exceeded a certain settlement temperature, the cold wind cooling was introduced in controller control air-blower start-up, make the hot water temperature of heating reduce, the cold wind that the air-blower was introduced drives the flue gas waste heat and carries out the drying use in discharging to the drying cabinet from first export, the make full use of resource, the heat of flue gas waste heat passes through the heat transfer stick and conducts to the steam chest in, the steam of production can be as the use of other aspects, the make full use of resource.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (6)
1. The utility model provides a coal fired boiler waste heat recovery device which characterized in that: comprises a recoverer body (1), a first inlet (2) is arranged at the upper end of one side of the recoverer body (1), a second outlet (3) is arranged at the lower end of one side of the recoverer body, a first outlet (4) is arranged at the upper end of the other side of the recoverer body (1), a second inlet (5) is arranged at the lower end of the other side of the recoverer body, the first inlet (2) is connected with an air blower (6) through a pipeline, the first outlet (4) is connected with a drying box (7) through a pipeline, the second inlet (5) is connected with a flue gas waste heat box (8) through a pipeline, the second outlet (3) is connected with an induced draft fan (9) through a pipeline, a water pipe (10) is arranged inside the recoverer body (1), the water pipe (10) is bent and wound inside the recoverer body (1), one outer end of the water pipe (10) is connected with a, the heat recovery device is characterized in that a heat preservation water tank (13) is connected to the position of the water outlet (12), a water temperature sensor (14) is arranged on the inner wall of the water outlet (12), a controller (15) electrically connected with the water temperature sensor (14) and the air blower (6) is arranged on the outer side of the recovery device body (1), a steam box (16) is arranged at the upper end of the recovery device body (1), a heat transfer rod (17) extending into the steam box (16) is arranged in the recovery device body (1), and a steam outlet (18) is arranged at the upper end of the steam box (16).
2. The waste heat recovery device of the coal-fired boiler according to claim 1, characterized in that: the blower (6) introduces cold air to the first inlet (2).
3. The waste heat recovery device of the coal-fired boiler according to claim 1, characterized in that: the drying box (7) is internally filled with materials to be dried or combustion-supporting.
4. The waste heat recovery device of the coal-fired boiler according to claim 1, characterized in that: and the flue gas waste heat box (8) is used for introducing flue gas to the second inlet (5).
5. The waste heat recovery device of the coal-fired boiler according to claim 1, characterized in that: the water temperature sensor (14) and the air blower (6) are both electrically connected with a single chip microcomputer in the controller (15), the single chip microcomputer starts the air blower (6) by transmitting a signal when sensing that the water temperature is higher than a certain set temperature, and the controller (15) is HWG-D12 in model.
6. The waste heat recovery device of the coal-fired boiler according to claim 1, characterized in that: the upper end of the steam box (16) is provided with a water inlet (19), the lower end is provided with a sewage draining outlet (20), and the top is provided with a pressure gauge (21) and a safety valve (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922246413.9U CN211316228U (en) | 2019-12-16 | 2019-12-16 | Waste heat recovery device of coal-fired boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922246413.9U CN211316228U (en) | 2019-12-16 | 2019-12-16 | Waste heat recovery device of coal-fired boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211316228U true CN211316228U (en) | 2020-08-21 |
Family
ID=72056362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922246413.9U Active CN211316228U (en) | 2019-12-16 | 2019-12-16 | Waste heat recovery device of coal-fired boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211316228U (en) |
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2019
- 2019-12-16 CN CN201922246413.9U patent/CN211316228U/en active Active
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