CN214199735U - Waste heat recycling system for ceramic industry - Google Patents
Waste heat recycling system for ceramic industry Download PDFInfo
- Publication number
- CN214199735U CN214199735U CN202120191549.9U CN202120191549U CN214199735U CN 214199735 U CN214199735 U CN 214199735U CN 202120191549 U CN202120191549 U CN 202120191549U CN 214199735 U CN214199735 U CN 214199735U
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- Prior art keywords
- hot water
- waste heat
- heat recovery
- pipe
- storage tank
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- 239000002918 waste heat Substances 0.000 title claims abstract description 67
- 239000000919 ceramic Substances 0.000 title claims abstract description 31
- 238000004064 recycling Methods 0.000 title description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 270
- 238000010438 heat treatment Methods 0.000 claims abstract description 46
- 238000011084 recovery Methods 0.000 claims abstract description 43
- 239000000779 smoke Substances 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 28
- 239000003546 flue gas Substances 0.000 abstract description 28
- 239000000446 fuel Substances 0.000 abstract description 12
- 238000001035 drying Methods 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000011282 treatment 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model relates to a waste heat recovery's technical field especially relates to a ceramic industry waste heat recovery utilizes system, and it includes waste heat recovery device, hot water bin and hot water heating device, and waste heat recovery device communicates with the exhaust port of kiln, and hot water bin and waste heat recovery device intercommunication, water get into waste heat recovery device from the hot water bin, get back to the hot water bin from waste heat recovery device again, hot water heating device and hot water bin intercommunication, and hot water heating device sets up in the stoving room. This application waste heat after kiln fuel burning enters into waste heat recovery device's shell along with the flue gas in, the flue gas carries out the heat exchange with first water pipe, make in water is returned to hot water storage tank after being heated, hot water in the hot water storage tank carries out ceramic drying in entering into hot water heating device through the second water pipe, then in rethread second water pipe gets back to hot water storage tank, the waste heat that makes kiln burning directly is used for carrying out ceramic blank's stoving, reduce the waste of waste heat behind the fuel burning.
Description
Technical Field
The application relates to the technical field of waste heat recovery, in particular to a waste heat recovery and utilization system in the ceramic industry.
Background
The ceramic is prepared by the steps of material mixing, molding, drying, sintering and surface processing. The staff at first prepares burden the raw materials of preparation pottery through a certain proportion, mixes after the batching is accomplished, mixes the back and passes through the mould shaping. And placing the formed ceramic blank into a drying chamber for standing until the ceramic blank is dried. And after drying, placing the ceramic blank into a kiln for sintering, wherein the kiln uses some heavy oil or natural gas as fuel, and the heavy oil or natural gas is discharged through a smoke exhaust fan after combustion. After sintering, various treatments of the surface are carried out to form a ceramic finished product.
In view of the above-mentioned related art, the inventor believes that the waste heat generated after the fuel is combusted is exhausted by the smoke exhaust fan, which causes waste of the waste heat after the fuel is combusted.
SUMMERY OF THE UTILITY MODEL
In order to reduce the waste of fuel burning back waste heat, this application provides a ceramic industry waste heat recovery utilizes system.
The application provides a waste heat recovery utilizes system adopts following technical scheme:
the utility model provides a ceramic industry waste heat recovery utilizes system, includes waste heat recovery device, hot water bin and hot water heating device, the exhaust port intercommunication of waste heat recovery device and kiln, hot water bin and waste heat recovery device intercommunication, water get into waste heat recovery device from the hot water bin, get back to the hot water bin from waste heat recovery device again, hot water heating device and hot water bin intercommunication, water get into hot water heating device from the hot water bin, return to the hot water bin from hot water heating device again, hot water heating device sets up in the stoving room.
Through adopting above-mentioned technical scheme, fuel burning in the kiln carries out the ceramic blank sintering back, the cigarette that has the waste heat enters into waste heat recovery device through the exhaust port, the water that conveys hot water storage tank in waste heat recovery device heats, water gets back to the hot water storage tank from waste heat recovery device after the heating is accomplished, hot water in the hot water storage tank enters into hot water heating device, carry out ceramic blank's stoving through hot water heating device, water gets back to the hot water storage tank in the stoving again, the waste of the waste heat after the reduction fuel burning directly is used for carrying out ceramic blank, reduce the waste of waste heat.
Optionally, the waste heat recovery device includes shell and first water pipe, the equal opening in both ends of shell, the one end opening of shell and the exhaust port intercommunication of kiln, the other end and the external intercommunication of shell, first water pipe sets up in the shell, two through-holes have been seted up in week side of shell, and two through-holes and hot water bin intercommunication are passed at the both ends of first water pipe, the one end of first water pipe is provided with the water pump.
Through adopting above-mentioned technical scheme, during the drive water pump went into the one end of first water pipe with the water pump in the hot water storage tank, the part of first water pipe in the shell was heated by the waste heat of kiln fuel, and the water becomes the hot back and returns to the hot water storage tank from the other end of first water pipe in, and the water pump lasts to go into water from the one end pump of first water pipe, makes water constantly heated, makes the water in the hot water storage tank hot all the time.
Optionally, the first water pipe is spirally distributed in the housing.
Through adopting above-mentioned technical scheme, first water pipe heliciform has increased the area of contact of first water pipe with the flue gas, makes the flue gas that has the waste heat better to the water heating effect in the first water pipe.
Optionally, the pitch of the first water pipe spiral is gradually reduced along the flue gas entering direction.
Through adopting above-mentioned technical scheme, because the flue gas carries out the heat exchange with first water pipe after, the temperature of flue gas can descend, and the volume of flue gas can reduce, because reduce the pitch gradually in the direction that is close to the exhanst gas outlet, make the flue gas be close to the export in the shell more and less because arranging of first water pipe makes the shell inner space.
Optionally, the section of the housing along the flue gas entering direction is trapezoidal, the flue gas leaving direction is a trapezoidal upper bottom, and the flue gas entering direction is a trapezoidal lower bottom.
Through adopting above-mentioned technical scheme, because the flue gas carries out the heat exchange with first water pipe after, the temperature of flue gas can descend, and the volume of flue gas can dwindle, and the space of shell is littleer and less, makes the flue gas be closer to export shell inner space in the shell more.
Optionally, the stoving room is provided with a plurality ofly, evenly is provided with a plurality of hot water heating device in every stoving room, be provided with the second water pipe between hot water heating device and the hot water bin, one of second water pipe is served and is provided with the water pump, the one end of second water pipe is provided with many first minute water pipes, first minute water pipe is respectively in the hot water heating device intercommunication in every stoving room, the other end of second water pipe is provided with a plurality of second minute water pipes, and the second divides water pipe and hot water heating device intercommunication.
Through adopting above-mentioned technical scheme, the drive water pump makes the water pump go into the one end of second water pipe with the water pump in the hot water storage tank, and hot water enters into first water distribution pipe through the second water pipe in, then supplies heat in getting into hot water heating device, has carried out the hot water of heat exchange and flows into the other end of second water pipe from the second water distribution pipe, then returns the hot water storage tank, so circulation makes hot water heating device continuously supply heat.
Optionally, the lengths of the first water distribution pipes are the same, and the bending degree of each first water distribution pipe is different.
By adopting the technical scheme, the time for the hot water in the second water pipe to enter the hot water heating device in the first water distribution pipe is the same, the heating state of each hot water heating device is the same, and the condition of uneven heating is reduced.
Optionally, the hot water heating device includes a plurality of hot water type air heaters and a plurality of hot water pipes, each hot water pipe is located at an air port of the hot water type air heater, and two ends of each hot water pipe are respectively communicated with the first water dividing pipe and the second water dividing pipe.
By adopting the technical scheme, hot water enters the hot water pipe from the first water dividing pipe, hot air is formed by the heat exchange between air blown out by the hot water type air heater and the hot water pipe, the hot water in the hot water pipe enters the second water pipe from the second water dividing pipe after the heat exchange, and finally returns to the hot water storage tank.
In summary, the present application includes at least one of the following beneficial technical effects:
through waste heat recovery device, hot water storage tank and hot water heating device's setting, make waste heat after the burning of kiln fuel enter into waste heat recovery device's shell along with the flue gas in, the flue gas carries out the heat exchange with first water pipe, make water return to the hot water storage tank after being heated in, hot water in the hot water storage tank carries out ceramic drying in entering into hot water heating device through the second water pipe, then in rethread second water pipe gets back to the hot water storage tank, the waste heat that makes the burning of kiln directly is used for carrying out ceramic blank's stoving, reduce the waste of waste heat after the fuel burning.
Drawings
Fig. 1 is a structural view of a waste heat recovery system in the ceramic industry in an embodiment of the present application.
Fig. 2 is a partial structural view of the hot water heating apparatus of fig. 1.
Fig. 3 is an embodiment of the waste heat collecting device in fig. 1.
Fig. 4 is another embodiment of the waste heat collecting device of fig. 1.
Description of reference numerals: 100. a waste heat recovery device; 110. a housing; 111. a through hole; 120. a first water pipe; 200. a hot water storage tank; 300. a hot water heating device; 310. a hot water type air heater; 320. a hot water pipe; 400. a water pump; 500. a second water pipe; 510. a first water diversion pipe; 520. a second water dividing pipe; 600. a smoke exhaust fan.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a waste heat recycling system in the ceramic industry.
Example 1
Referring to fig. 1, the waste heat recycling system in the ceramic industry comprises a waste heat recycling device 100, wherein the waste heat recycling device 100 is communicated with a smoke outlet of a kiln exhaust fan, and the smoke outlet of the kiln exhaust fan is also communicated with outside air. The waste heat recycling system further comprises a hot water storage tank 200, the hot water storage tank 200 is communicated with the waste heat recovery device 100, and water enters the waste heat recovery device 100 from the hot water storage tank 200 to be heated and then returns to the hot water storage tank 200. The hot water storage tank 200 is provided with a hot water heating device 300, the hot water heating device 300 is communicated with the hot water storage tank 200, and the hot water heating devices 300 are uniformly distributed in the drying room.
A second water pipe 500 is provided between the hot water heating apparatus 300 and the hot water storage tank 200, one end of the second water pipe 500 is provided with a water pump 400, one end of the second water pipe 500 is branched to have a plurality of first water distribution pipes 510 having the same length, the first water distribution pipes 510 are communicated with the hot water heating apparatus 300, the other end of the second water pipe 500 is branched to have a plurality of second water distribution pipes 520, and the second water distribution pipes 520 are also communicated with the hot water heating apparatus 300. The water is introduced into the hot water heating apparatus 300 from the hot water storage tank 200 through one end of the second water pipe 500 and the first water distribution pipe 510, and is returned to the hot water storage tank 200 from the second water distribution pipe 520 and the other end of the second water pipe 500.
Referring to fig. 1 and 2, the hot water heating apparatus 300 includes a plurality of hot water type air heaters 310, all the hot water type air heaters 310 are uniformly disposed in the drying room, a hot water pipe 320 is disposed at an air outlet of each hot water type air heater 310, two ends of the hot water pipe 320 are respectively and fixedly connected to a first water dividing pipe 510 and a second water dividing pipe 520, and hot water enters the hot water pipe 320 from the first water dividing pipe 510 and then enters the second water dividing pipe 520 from the hot water pipe 320.
Referring to fig. 1 and 3, the waste heat recovery device 100 includes a housing 110, the housing 110 is arranged in a uniform cylindrical shape, both ends of the housing 110 are open, flue gas enters from an opening at one end of the housing 110 and is discharged from an opening at the other end of the housing 110, and an exhaust fan for discharging flue gas is connected to the other end of the housing 110. A first water pipe 120 is arranged in the shell 110, two through holes 111 are formed in the peripheral side surface of the shell 110, the first water pipe 120 is positioned in the shell 110, two ends of the first water pipe 120 penetrate through the through holes 111 to be connected with the hot water storage tank 200, and one end of the first water pipe 120 is provided with a water pump 400. The first water pipe 120 is spirally arranged, and the pitch between the spirals of the first water pipe 120 is gradually reduced along the moving direction of the smoke.
The implementation principle of the waste heat recycling system in the ceramic industry in the embodiment of the application is as follows: after the kiln fuel is combusted, the flue gas with the residual heat is discharged through the smoke exhaust fan 600, the flue gas enters from one end of the shell 110 to be fully contacted with the first water pipe 120, and the flue gas is subjected to heat exchange with the first water pipe 120 and then is discharged from the smoke exhaust fan 600 at the other end of the shell 110. When the smoke continuously enters the housing 110, the hot water storage tank 200 is continuously filled with water into the first water pipe 120 by the water pump 400, and the water in the first water pipe 120 is heated and then returns to the hot water storage tank 200. The water in the hot water storage tank 200 is always hot water by the continuous circulation of the water.
When the ceramic block is dried, the hot water in the hot water storage tank 200 is injected into the second water pipe 500 by the water pump 400, and then enters the first water dividing pipe 510 through the second water pipe 500, and the hot water in the first water dividing pipe 510 simultaneously enters the hot water pipe 320. The hot water type air heater 310 can dry the ceramic blank after exchanging heat with the hot water pipe 320. The heat-exchanged water is introduced into the second water distribution pipe 520 through the hot water pipe 320, introduced into the second water pipe 500 from the second water distribution pipe 520, and returned to the hot water storage tank 200.
Example 2
Referring to fig. 4, the present embodiment is different from embodiment 1 in that the first water pipes 120 are uniformly distributed in a spiral shape, the outer shell 110 is in a circular truncated cone shape, and a side area of the outer shell 110 where the flue gas is discharged is smaller than a side area where the flue gas enters.
The implementation principle of the embodiment 2 is as follows: the flue gas carries out the heat exchange after entering shell 110, and the flue gas temperature reduces after the heat exchange, and the volume diminishes, and then the flue gas is discharged from the other end of shell 110.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a pottery trade waste heat recovery utilizes system which characterized in that: including waste heat recovery device (100), hot water storage tank (200) and hot water heating device (300), waste heat recovery device (100) and the exhaust port intercommunication of kiln, hot water storage tank (200) and waste heat recovery device (100) intercommunication, water get into waste heat recovery device (100) from hot water storage tank (200), get back to hot water storage tank (200) from waste heat recovery device (100) again, hot water heating device (300) and hot water storage tank (200) intercommunication, water get into hot water heating device (300) from hot water storage tank (200), get back to hot water storage tank (200) from hot water heating device (300) again, hot water heating device (300) set up in the stoving room.
2. The ceramic industry waste heat recovery and utilization system of claim 1, wherein: waste heat recovery device (100) includes shell (110) and first water pipe (120), the both ends of shell (110) are all opened, and the one end opening of shell (110) and the exhaust port intercommunication of kiln, the other end and the external world intercommunication of shell (110), first water pipe (120) set up in shell (110), two through-holes (111) have been seted up on the week side of shell (110), and two through-holes (111) and hot water storage tank (200) intercommunication are passed at the both ends of first water pipe (120), the one end of first water pipe (120) is provided with water pump (400).
3. The ceramic industry waste heat recovery and utilization system of claim 2, wherein: the first water pipe (120) is spirally distributed in the shell (110).
4. The ceramic industry waste heat recovery and utilization system of claim 3, wherein: the spiral pitch of the first water pipe (120) is gradually reduced along the smoke inlet direction.
5. The ceramic industry waste heat recovery and utilization system of claim 3, wherein: the section of the shell (110) along the smoke entering direction is trapezoidal, the smoke leaving direction is the trapezoidal upper bottom, and the smoke entering direction is the trapezoidal lower bottom.
6. The ceramic industry waste heat recovery and utilization system according to any one of claims 1-5, characterized in that: the stoving room is provided with a plurality ofly, evenly is provided with a plurality of hot water heating device (300) in every stoving room, be provided with second water pipe (500) between hot water heating device (300) and hot water storage tank (200), one of second water pipe (500) is served and is provided with water pump (400), the one end of second water pipe (500) is provided with many first distributive pipe (510), first distributive pipe (510) communicate with hot water heating device (300) in every stoving room respectively, the other end of second water pipe (500) is provided with a plurality of second distributive pipes (520), and second distributive pipe (520) and hot water heating device (300) communicate.
7. The ceramic industry waste heat recovery and utilization system of claim 6, wherein: the lengths of the first water distribution pipes (510) are the same, and the bending degree of each first water distribution pipe (510) is different.
8. The ceramic industry waste heat recovery and utilization system of claim 7, wherein: the hot water heating device (300) comprises a plurality of hot water type air heaters (310) and a plurality of hot water pipes (320), each hot water pipe (320) is located at an air opening of each hot water type air heater (310), and two ends of each hot water pipe (320) are respectively communicated with the first water dividing pipe (510) and the second water dividing pipe (520).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120191549.9U CN214199735U (en) | 2021-01-21 | 2021-01-21 | Waste heat recycling system for ceramic industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120191549.9U CN214199735U (en) | 2021-01-21 | 2021-01-21 | Waste heat recycling system for ceramic industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214199735U true CN214199735U (en) | 2021-09-14 |
Family
ID=77637788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120191549.9U Expired - Fee Related CN214199735U (en) | 2021-01-21 | 2021-01-21 | Waste heat recycling system for ceramic industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214199735U (en) |
-
2021
- 2021-01-21 CN CN202120191549.9U patent/CN214199735U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210914 |
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| CF01 | Termination of patent right due to non-payment of annual fee |