CN215765185U - Waste heat utilization device of thermal power factory - Google Patents
Waste heat utilization device of thermal power factory Download PDFInfo
- Publication number
- CN215765185U CN215765185U CN202121937273.0U CN202121937273U CN215765185U CN 215765185 U CN215765185 U CN 215765185U CN 202121937273 U CN202121937273 U CN 202121937273U CN 215765185 U CN215765185 U CN 215765185U
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- Prior art keywords
- gas
- thermal power
- waste heat
- supply pipe
- recovery
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- 239000002918 waste heat Substances 0.000 title claims abstract description 32
- 239000007789 gas Substances 0.000 claims abstract description 86
- 238000011084 recovery Methods 0.000 claims abstract description 51
- 238000010248 power generation Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000523 sample Substances 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims description 20
- 238000009413 insulation Methods 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000004064 recycling Methods 0.000 description 11
- 230000009471 action Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 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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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to the technical field of waste heat utilization equipment, in particular to a waste heat utilization device of a thermal power plant, which comprises a thermal power generation device, wherein the top end of the thermal power generation device is connected with a first gas pipe, one side of the first gas pipe is connected with an exhaust fan, one side of the exhaust fan is connected with a second gas pipe, one side of the second gas pipe is connected with a third gas pipe, the bottom of the third gas pipe is connected with a device box, the top end of the inside of the device box is connected with a heat recovery device, the bottom of the heat recovery device is connected with a recovery box, a plurality of groups of temperature probes are arranged on two sides of the inner wall of the recovery box, one side of the device box is connected with a cold water inlet, the back of the device box is connected with a hot water outlet, and waste heat gas generated by the thermal power generation device can be recovered through the arranged first gas pipe, the exhaust fan, the second gas pipe, the third gas pipe, the heat recovery device and the recovery box, so that the device is more efficient to use.
Description
Technical Field
The utility model relates to the technical field of waste heat utilization equipment, in particular to a waste heat utilization device of a thermal power plant.
Background
In a thermal power generating set, boiler efficiency is an important index of economic operation of the set, and in heat loss of various boilers, heat loss of exhaust gas accounts for more than half of total heat loss of the boiler, the design value of exhaust gas temperature of an active set is about 130 ℃, but due to problems of coal burning conditions, operation level of a power plant and the like, the actual value of the exhaust gas temperature is generally about 150 ℃, higher exhaust gas temperature can reduce boiler efficiency, annual average coal consumption of the set is increased, smoke and dust pollutant discharge amount is increased, economic operation and pollutant discharge indexes of the set are affected, and therefore, how to effectively recycle exhaust gas waste heat becomes a problem to be solved urgently for each thermal power generating set at present.
Although the waste heat utilization devices on the market are various in types, most of the waste heat utilization devices are only changed in form, the functions of the waste heat utilization devices are not changed greatly, the waste heat recovery efficiency of the waste heat utilization devices on the market is low, the utilization rate of the waste heat utilization devices is limited, the existing waste heat utilization devices do not have the function of filtering waste heat gas, a large amount of waste materials are brought into the waste heat recovery devices easily, and the use of the waste heat utilization devices is influenced.
Therefore, it is necessary to design a waste heat utilization device of a thermal power plant to solve the above problems in the background art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a waste heat utilization device of a thermal power plant, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a thermal power factory waste heat utilization equipment, includes thermal power plant, thermal power plant's top is connected with first gas-supply pipe, one side of first gas-supply pipe is connected with the air exhauster, one side of air exhauster is connected with the second gas-supply pipe, one side of second gas-supply pipe is connected with the third gas-supply pipe, the bottom of third gas-supply pipe is connected with the device case, the inside top of device case is connected with the heat recovery device, the bottom of heat recovery device is connected with the collection box, multiunit temperature probe is installed to the inner wall both sides of collection box, one side of device case is connected with cold water inlet, the back of device case is connected with the hot water export, the bottom of device case is fixed with the base, embedded operating panel, alarm and the temperature controller of installing in proper order of the base face of base.
As a preferable scheme of the present invention, a first regulating valve is connected to a top end of the first gas pipe, a second regulating valve is connected to a top end of the third gas pipe, one side of the first gas pipe, which is far away from the thermal power generation device, is connected to an air inlet of the exhaust fan, and an air outlet of the exhaust fan is connected to the third gas pipe through the second gas pipe.
In a preferred embodiment of the present invention, a recovery line is connected between the bottom of the heat recovery unit and the recovery tank.
As the preferable scheme of the utility model, a heat insulation layer is arranged in the recovery box, and one side of the heat insulation layer is connected with a heat insulation layer.
As a preferable scheme of the present invention, return springs are connected to both sides of the recovery box, a mounting post is connected to one side of each return spring, which is away from the recovery box, one side of each return spring is connected to the surface of the recovery box, and the other side of each return spring is connected to the mounting post.
As a preferable scheme of the utility model, one side of the second gas transmission pipe close to the second regulating valve is connected with an exhaust port, and one side of the exhaust port is connected with a third regulating valve.
As a preferable scheme of the utility model, a gas filter for filtering high-temperature steam is connected between the thermal power generation device and the first gas conveying pipe.
As a preferable scheme of the utility model, the temperature probe is electrically connected with the temperature controller and the alarm.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the thermal power generation device, the first gas pipe, the exhaust fan, the second gas pipe, the third gas pipe, the heat recoverer and the recovery box are arranged, so that residual heat gas generated by the thermal power generation device can be recovered, the efficiency of recovering high-temperature gas is improved, and the equipment is more efficient in use.
2. According to the utility model, through the arranged gas filter, the high-temperature gas before recovery can be filtered through the gas filter, so that the gas entering the recovery box is relatively pure gas, and the equipment is safer to use.
3. According to the utility model, through the arrangement of the exhaust port and the third regulating valve, the third regulating valve can be opened and the second regulating valve can be closed at the same time, so that gas remained in the pipe can be exhausted when the pipe is not used, and the influence on subsequent use is avoided.
4. According to the utility model, through the arrangement of the heat insulation layer and the heat preservation layer, high-temperature gas stored in the recovery box can be effectively stored, so that heat loss is avoided, and the equipment is more convenient to use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the apparatus case of the present invention;
FIG. 3 is a schematic cross-sectional view of the recycling bin of the present invention;
FIG. 4 is an enlarged view of point A of the present invention;
in the figure: 1. a thermal power generation device; 101. a first gas delivery pipe; 1011. a first regulating valve; 102. an exhaust fan; 103. a second gas delivery pipe; 104. a third gas delivery pipe; 1041. a second regulating valve; 2. a device case; 201. a heat recovery device; 2011. a recovery pipeline; 202. a recycling bin; 2021. a thermal insulation layer; 2022. a heat-insulating layer; 203. a temperature probe; 204. a cold water inlet; 205. a hot water outlet; 3. a base; 301. an operation panel; 302. an alarm; 303. a temperature controller; 4. a return spring; 401. mounting a column; 5. an exhaust port; 501. a third regulating valve; 6. and a gas filter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
a waste heat utilization device of a thermal power plant comprises a thermal power generation device 1, wherein a first gas pipe 101 is connected to the top end of the thermal power generation device 1, an exhaust fan 102 is connected to one side of the first gas pipe 101, a second gas pipe 103 is connected to one side of the exhaust fan 102, a third gas pipe 104 is connected to one side of the second gas pipe 103, a device box 2 is connected to the bottom of the third gas pipe 104, a heat recoverer 201 is connected to the top end of the interior of the device box 2, a recovery box 202 is connected to the bottom of the heat recoverer 201, a plurality of groups of temperature probes 203 are installed on two sides of the inner wall of the recovery box 202, a cold water inlet 204 is connected to one side of the device box 2, a hot water outlet 205 is connected to the back of the device box 2, a base 3 is fixed to the bottom of the device box 2, an operation panel 301, an alarm 302 and a temperature controller 303 are embedded in sequence on the base surface of the base 3, and the first gas pipe 101, the alarm 302 and the temperature controller 303 are arranged Exhaust fan 102, second gas-supply pipe 103, third gas-supply pipe 104, heat recovery device 201 and collection box 202 to can retrieve the hot gas that generates thermal power plant 1, efficiency when having improved the high-temperature gas recovery, through the gas filter 6 that sets up, can filter the high-temperature gas before retrieving through gas filter 6, thereby make the gas that gets into the inside of collection box 202 be the gas of relative pureness, make equipment safer when using.
In an embodiment, referring to fig. 1, 2 and 3, a first adjusting valve 1011 is connected to a top end of a first air pipe 101, a second adjusting valve 1041 is connected to a top end of a third air pipe 104, a side of the first air pipe 101 away from the thermal power generation apparatus 1 is connected to an air inlet of an air blower 102, an air outlet of the air blower 102 is connected to the third air pipe 104 through a second air pipe 103, a recovery pipeline 2011 is communicated between a bottom of the heat recovery device 201 and a recovery tank 202, and through the arrangement of the first air pipe 101, the air blower 102, the second air pipe 103, the third air pipe 104, the heat recovery device 201 and the recovery tank 202, during actual use, the first adjusting valve 1011 and the second adjusting valve 1041 are opened, and the third adjusting valve 501 is closed, so that the thermal power generation apparatus 1 and the apparatus tank 2 are communicated, at this time, when the thermal power generation apparatus 1 operates, the residual heat generated by the action of the air blower 102 will pass through the first air pipe 101, the second adjusting valve 1011, the third adjusting valve 1041, and the recovery tank 202, The second air pipe 103 and the third air pipe 104 enter the heat recovery device 201 and are finally recovered inside the recovery tank 202, so that residual heat gas generated by the thermal power generation device 1 can be recovered, the efficiency in recovering high-temperature gas is improved, and the equipment is more efficient in use.
In an embodiment, referring to fig. 3, a heat insulation layer 2021 is disposed inside the recycling bin 202, a heat insulation layer 2022 is connected to one side of the heat insulation layer 2021, and the heat insulation layer 2021 and the heat insulation layer 2022 are disposed, so that high-temperature gas stored inside the recycling bin 202 can be effectively stored, heat loss is avoided, and the device is more convenient to use.
In an embodiment, referring to fig. 2 and 4, the two sides of the recycling bin 202 are connected with the return springs 4, one side of each return spring 4, which is far away from the recycling bin 202, is connected with the mounting post 401, one side of each return spring 4 is connected to the surface of the recycling bin 202, the other side of each return spring 4 is connected to the mounting post 401, and by the arrangement of the return springs 4 and the mounting posts 401, the return springs 4 and the recycling bin 202 are fixed on the surface, so that the vibration generated by the recycling bin 202 can be offset, and the noise generated by the recycling bin can be reduced.
In an embodiment, referring to fig. 1, one side of the second gas pipe 103 close to the second regulating valve 1041 is connected with the gas outlet 5, one side of the gas outlet 5 is connected with the third regulating valve 501, and the gas outlet 5 and the third regulating valve 501 are arranged, so that the third regulating valve 501 can be opened and the second regulating valve 1041 can be closed at the same time, and the gas remained in the pipe can be discharged when the pipe is not used, thereby avoiding influencing subsequent use.
In an embodiment, referring to fig. 1, a gas filter 6 for filtering high-temperature steam is connected between the thermal power generation apparatus 1 and the first gas pipe 101, and the high-temperature gas before recovery can be filtered through the gas filter 6 by the gas filter 6, so that the gas entering the recovery tank 202 is relatively pure gas, and the equipment is safer to use.
In an embodiment, referring to fig. 2, the temperature probe 203 is electrically connected to the temperature controller 303 and the alarm 302, and the temperature probe 203 is used for detecting the temperature inside the recycling bin 202, and when the temperature is too high, the alarm 302 gives an alarm, so that the intelligence of the device is improved.
The working principle is as follows: when the thermal power generation device 1 is in use, the first regulating valve 1011 and the second regulating valve 1041 are opened, and the third regulating valve 501 is closed, so that the thermal power generation device 1 is communicated with the device box 2, at this time, when the thermal power generation device 1 works, residual heat gas generated by the thermal power generation device firstly enters the gas filter 6 under the action of the exhaust fan 102, high-temperature gas before recovery can be filtered through the gas filter 6, so that gas entering the recovery box 202 is relatively pure gas, then the filtered high-temperature gas enters the heat recovery device 201 through the first gas pipe 101, the second gas pipe 103 and the third gas pipe 104 and is finally recovered to the interior of the recovery box 202, so that the residual heat gas generated by the thermal power generation device 1 can be recovered, the efficiency of high-temperature gas recovery is improved, and the high-temperature gas stored in the recovery box 202 can be effectively stored through the action of the heat insulating layer 2021 and the heat insulating layer 2022, avoided thermal loss, can be to the inside cold water that adds of collection box 202 through cold water inlet 204, thereby make cold water and waste heat gas carry out the heat exchange and make cold water heating, the staff can carry out the utilization of waste heat through hot water outlet 205 discharge hot water, be used for detecting the inside temperature of collection box 202 through temperature probe 203, when the high temperature, report to the police the suggestion through alarm 302, when not using this device, can open third governing valve 501 and close second governing valve 1041 simultaneously, can be with the gas discharge of intraductal retention when not using, there is certain spreading value.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a thermal power factory waste heat utilization equipment, includes thermal power plant (1), its characterized in that: the top of thermal power generation set (1) is connected with first gas-supply pipe (101), one side of first gas-supply pipe (101) is connected with air exhauster (102), one side of air exhauster (102) is connected with second gas-supply pipe (103), one side of second gas-supply pipe (103) is connected with third gas-supply pipe (104), the bottom of third gas-supply pipe (104) is connected with device case (2), the inside top of device case (2) is connected with heat recovery device (201), the bottom of heat recovery device (201) is connected with collection box (202), multiunit temperature probe (203) are installed to the inner wall both sides of collection box (202), one side of device case (2) is connected with cold water inlet (204), the back of device case (2) is connected with hot water outlet (205), the bottom of device case (2) is fixed with base (3), base face of base (3) is installed embedded operating panel (301) in proper order, An alarm (302) and a temperature controller (303).
2. The waste heat utilization device of the thermal power plant according to claim 1, characterized in that: first gas-supply pipe (101) top is connected with first governing valve (1011), the top of third gas-supply pipe (104) is connected with second governing valve (1041), one side that thermal power generation set (1) was kept away from in first gas-supply pipe (101) is connected in the air intake of air exhauster (102), the air outlet of air exhauster (102) passes through second gas-supply pipe (103) and connects third gas-supply pipe (104).
3. The waste heat utilization device of the thermal power plant according to claim 1, characterized in that: and a recovery pipeline (2011) is communicated between the bottom of the heat recoverer (201) and the recovery tank (202).
4. The waste heat utilization device of the thermal power plant according to claim 1, characterized in that: a heat insulation layer (2021) is arranged inside the recovery box (202), and a heat insulation layer (2022) is connected to one side of the heat insulation layer (2021).
5. The waste heat utilization device of the thermal power plant according to claim 1, characterized in that: the two sides of the recovery box (202) are connected with return springs (4), one side, away from the recovery box (202), of each return spring (4) is connected with a mounting column (401), one side of each return spring (4) is connected to the surface of the recovery box (202), and the other side of each return spring (4) is connected to the mounting column (401).
6. The waste heat utilization device of the thermal power plant according to claim 1, characterized in that: one side of the second air delivery pipe (103) close to the second regulating valve (1041) is connected with an air outlet (5), and one side of the air outlet (5) is connected with a third regulating valve (501).
7. The waste heat utilization device of the thermal power plant according to claim 1, characterized in that: and a gas filter (6) for filtering high-temperature steam is connected between the thermal power generation device (1) and the first gas transmission pipe (101).
8. The waste heat utilization device of the thermal power plant according to claim 1, characterized in that: the temperature probe (203) is electrically connected with the temperature controller (303) and the alarm (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121937273.0U CN215765185U (en) | 2021-08-18 | 2021-08-18 | Waste heat utilization device of thermal power factory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121937273.0U CN215765185U (en) | 2021-08-18 | 2021-08-18 | Waste heat utilization device of thermal power factory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215765185U true CN215765185U (en) | 2022-02-08 |
Family
ID=80075902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121937273.0U Expired - Fee Related CN215765185U (en) | 2021-08-18 | 2021-08-18 | Waste heat utilization device of thermal power factory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215765185U (en) |
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2021
- 2021-08-18 CN CN202121937273.0U patent/CN215765185U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |