CN215447464U - Graphite stoving tail gas utilizes device - Google Patents
Graphite stoving tail gas utilizes device Download PDFInfo
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- CN215447464U CN215447464U CN202121519009.5U CN202121519009U CN215447464U CN 215447464 U CN215447464 U CN 215447464U CN 202121519009 U CN202121519009 U CN 202121519009U CN 215447464 U CN215447464 U CN 215447464U
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 38
- 239000010439 graphite Substances 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 288
- 238000001035 drying Methods 0.000 claims abstract description 37
- 239000004744 fabric Substances 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 239000000428 dust Substances 0.000 claims abstract description 11
- 238000009826 distribution Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 54
- 230000007613 environmental effect Effects 0.000 abstract description 8
- 239000002918 waste heat Substances 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing 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
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- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to a graphite drying tail gas utilization device, which is used for the technical field of graphite drying tail gas utilization. The device comprises a drying rotary kiln, an exhaust pipeline, a first air inlet, a first air outlet, a first heat exchanger, a connecting pipe, a second air inlet, a second air outlet, a second heat exchanger, a cloth bag air inlet pipe, a cloth bag dust remover, a fan, a chimney, a first hot water branch pipe, a second hot water branch pipe, a hot water main pipe, a hot water tank, a hot water outlet pipe, a hot water outlet valve, a hot water circulating pump, a water distributor, a water distribution pipe, heating equipment, a water return pipe, a heat exchange water inlet pipe, a first communicating port, a second communicating port, a heat exchange communicating pipe, a heat exchange water inlet, a first hot water port, a second hot water port and a heat exchange pipe. The utility model discloses a simple structure, tail gas waste heat utilization are effectual, and practical popularization and application and relevant department detect, assess and show that the device operates stably, and the environmental protection can reach international standard, has obvious environmental benefit and economic benefits.
Description
Technical Field
The utility model belongs to the technical field of graphite drying tail gas utilization, and particularly relates to a graphite drying tail gas utilization device.
Background
In the chemical purification technology of graphite, the purified graphite product contains a large amount of water due to water washing, alkali fusion and acid fusion, and the wet graphite needs to be dried. In practical industrial application, rotary kiln graphite drying equipment is selected by graphite enterprises due to reliable operation, large operation elasticity, strong adaptability and large processing capacity and can continuously work. The rotary kiln graphite drying equipment is suitable for granular materials and also can be used for materials with higher water content, the water content of the materials is generally 3-25 percent and can reach 50 percent at most, and the water content of products can reach 0.2-0.5 percent.
In the rotary kiln graphite drying equipment, the temperature of hot gas for drying entering the rotary kiln is 600-800 ℃, the general temperature is 700 ℃, the temperature of tail gas is 400-500 ℃, the general temperature is 450 ℃, the heat value of the tail gas at the temperature entering the rotary kiln again is insufficient, and the energy waste is caused by the emission. Graphite enterprises are generally located in suburbs, and especially for northeast areas, inconvenience is brought to heat supply work in winter. In order to save energy and change waste into valuable and solve the problem of heat supply in winter of graphite enterprises in remote areas, a graphite drying tail gas utilization device is designed, and the heat value of the drying tail gas is fully utilized and is used for heating offices and plants.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a graphite drying tail gas utilization device.
The technical problem is solved by the following technical scheme. A graphite stoving tail gas utilization equipment, including stoving rotary kiln, exhaust duct, first air inlet, first gas outlet, first heat exchanger, connecting pipe, second air inlet, the second gas outlet, the second heat exchanger, the sack intake pipe, the sack cleaner, the fan, the chimney, hot water is first to be in charge of, hot water is second to be in charge of, hot water house steward, the hot-water tank, the hot water outlet pipe, hot water outlet valve, the hot water circulating pump, the water knockout drum, the distributive pipe, heating equipment, the wet return, the blowoff valve, the heat transfer inlet tube, first intercommunication mouth, the second intercommunication mouth, the heat transfer communicating pipe, the heat transfer water inlet, first hot water mouth, the second hot water mouth, the heat exchange tube, the heat exchanger blowoff valve, the sack air inlet, the sack gas outlet, the sack, the water inlet end, the water outlet end.
The first heat exchanger and the second heat exchanger are both coiled tube type heat exchangers, gas runs between the heat exchange tubes, and liquid runs in the heat exchange tubes;
the first heat exchanger comprises a first air inlet, a first communication port, a first hot water port and a first air outlet; the second heat exchanger comprises a second air inlet, a second communication port, a second hot water port and a second air outlet;
the first air outlet and the second air inlet are connected through a connecting pipe, so that the air in the first heat exchanger enters the second heat exchanger through the connecting pipe; the exhaust pipeline is connected to the first air inlet, and the other end of the exhaust pipeline is connected to the drying rotary kiln;
the first communicating port is a water inlet of a heat exchange tube of the first heat exchanger, the heat exchange communicating tube is connected with the first communicating port, the second communicating port is a water inlet of a heat exchange tube of the second heat exchanger, and the heat exchange communicating tube is connected with the second communicating port;
the first hot water port is a water outlet of a heat exchange tube of the first heat exchanger, the first branch hot water pipe is connected with the first hot water port, the second hot water port is a water outlet of a heat exchange tube of the second heat exchanger, and the second branch hot water pipe is connected with the second hot water port;
the bag-type dust collector comprises a bag air inlet and a bag air outlet, one end of the bag air inlet pipe is connected to the second air outlet, and the other end of the bag air inlet pipe is connected to the bag air inlet; the cloth bag air outlet pipe is connected to the cloth bag air outlet, the other end of the cloth bag air outlet pipe is connected to the fan, and the fan is connected with the chimney;
a heat exchange water inlet and a heat exchanger blow-down valve are arranged on the heat exchange communicating pipe;
the hot water first branch pipe and the hot water second branch pipe are butted, and a hot water main pipe is connected at the butted position, so that hot water in the hot water first branch pipe and the hot water second branch pipe flows into the hot water main pipe, and the hot water main pipe is connected to a hot water tank;
the hot water outlet pipe is partially arranged in the hot water tank and partially arranged outside the hot water tank, the part inside the hot water tank extends from the bottom of the hot water tank, the hot water outlet pipe outside the hot water tank is connected with a hot water outlet valve, the other end of the hot water outlet valve is connected with a hot water circulating pump, the hot water circulating pump is connected with a water separator, and the water separator is connected with a water dividing pipe;
the heating equipment comprises a water inlet end and a water outlet end, the other end of the water distribution pipe is connected to the water inlet end of the heating equipment, and the common heating equipment is a heater. The water return pipe is connected to the water outlet end of the heat supply equipment, and hot water passes through the heat supply equipment and then enters the hot water tank through the water return pipe;
preferably, the height of the hot water outlet pipe extending into the hot water tank is 30% -50% of the height of the hot water tank.
The heat exchange water inlet pipe is connected to the hot water tank, and the other end of the heat exchange water inlet pipe is connected to the heat exchange water inlet of the heat exchange communicating pipe, so that low-temperature water flowing back through the water return pipe in the hot water tank enters the heat exchange communicating pipe.
The blowdown valve arranged in the heat exchange communicating pipe can be used for periodically opening scales in the cleaning pipe.
When the device works, wet graphite is dried in the drying rotary kiln, and hot air enters the drying rotary kiln to dry the wet graphite. The graphite drying tail gas discharged from the drying rotary kiln is heated to above 700 ℃, enters the first heat exchanger through the exhaust pipeline, enters the heat exchange tube gap of the second heat exchanger through the heat exchange tube gap of the first heat exchanger, the first gas outlet, the connecting pipe and the second gas inlet, then enters the bag-type dust remover through the second gas outlet and the bag-type gas inlet pipe, is purified by the bag-type dust remover, and then enters the chimney through the bag-type gas outlet and the bag-type gas outlet pipe to be discharged. And after the tail gas with a certain calorific value passes through the first heat exchanger and the second heat exchanger, the heat is transferred to the aqueous medium in the first heat exchanger and the second heat exchanger.
Water in the heat exchange tube of the first heat exchanger is heated by graphite drying tail gas and then enters a hot water first branch pipe and a hot water main pipe through a first hot water port and enters a hot water tank; water in the heat exchange pipe of the second heat exchanger is heated by tail gas from the first gas outlet of the first heat exchanger, enters the hot water secondary branch pipe and the hot water main pipe through the second hot water port and finally enters the hot water tank;
the density of water decreases as the temperature increases, and therefore, in the hot water tank, hot water is distributed in the upper portion of the hot water tank, and the lower portion of cold water flowing back from the return pipe is at the bottom of the hot water tank. The hot water outlet pipe extends into the water tank, and hot water can flow out through the hot water outlet pipe. The hot water circulating pump injects the hot water in the hot water tank into the heating equipment through the water separator.
Through field tests, the graphite drying tail gas utilization device with the structure has the outdoor temperature of minus 30 ℃ in winter in northeast regions, and the indoor temperature can reach 25-30 ℃.
The utility model discloses a simple structure, tail gas waste heat utilization are effectual, detect, assess through actual popularization and application and relevant department, the device operates stably, and the environmental protection can reach international standard, and the investment is lower, forms more perfect product quality standard system to the development and the production of energy-concerving and environment-protective type graphite stoving tail gas utilization technique. The utility model discloses an environmental protection, energy-conserving effect are outstanding, have obvious environmental benefit and economic benefits.
Drawings
FIG. 1 is a schematic structural diagram of a graphite drying tail gas utilization device of the present invention, and FIG. 2 is an enlarged schematic structural diagram of a heat exchanger.
The figure is as follows:
1 drying rotary kiln, 2 exhaust pipelines, 3 first air inlets, 4 first air outlets, 5 first heat exchangers, 6 connecting pipes, 7 second air inlets, 8 second air outlets, 9 second heat exchangers, 10 cloth bag air inlet pipes, 11 cloth bag dust collectors, 12 fans, 13 smoke pipes, 14 hot water first branch pipes, 15 hot water second branch pipes, 16 hot water main pipes, 17 hot water tanks, 18 hot water outlet pipes, 19 hot water outlet valves, 20 hot water circulating pumps, 21 water distributors, 22 water branch pipes, 23 heat supply equipment, 24 water return pipes, 25 blow-off valves, 26 heat exchange water inlet pipes, 27 first connecting ports, 28 second connecting ports, 29 heat exchange communicating pipes, 30 heat exchange water inlets, 31 first hot water ports, 32 second hot water ports, 33 heat exchange pipes, 34 heat exchanger blow-off valves, 35 cloth bag air inlets, 36 cloth bag air outlets, 37 cloth bag air outlet pipes, 38 water inlet ends and 39 water outlet ends.
Detailed Description
As shown in attached figure 1-2, the graphite drying tail gas utilization device comprises a drying rotary kiln 1, an exhaust pipeline 2, a first gas inlet 3, a first gas outlet 4, a first heat exchanger 5, a connecting pipe 6, a second gas inlet 7, a second gas outlet 8, a second heat exchanger 9, a cloth bag gas inlet pipe 10, a cloth bag dust collector 11, a fan 12, a chimney 13, a hot water primary branch pipe 14, a hot water secondary branch pipe 15, a hot water main pipe 16, a hot water tank 17, a hot water outlet pipe 18, a hot water outlet valve 19, a hot water circulating pump 20, a water separator 21, a water separating pipe 22, a heat supply device 23, a water return pipe 24, a blow-off valve 25, a heat exchange water inlet pipe 26, a first communicating port 27, a second communicating port 28, a heat exchange communicating pipe 29, a heat exchange water inlet 30, a first hot water port 31, a second hot water port 32, a heat exchange pipe 33, a heat exchanger blow-off valve 34, a cloth bag gas inlet 35, a cloth bag gas outlet 36, a heat exchange rotary kiln, a heat exchange kiln exhaust pipe 6, a heat exchange heat pump heat exchange heat exchanger heat exchange heat exchanger heat exchange heat exchanger heat exchange heat exchanger, A cloth bag air outlet pipe 37, a water inlet end 38 and a water outlet end 39.
The first heat exchanger 5 and the second heat exchanger 9 are both tube type heat exchangers, gas runs between the heat exchange tubes 33, and liquid runs in the heat exchange tubes 33;
the first heat exchanger 5 comprises a first air inlet 3, a first communication port 27, a first hot water port 31 and a first air outlet 4; the second heat exchanger 9 comprises a second air inlet 7, a second communication port 28, a second hot water port 32 and a second air outlet 8;
the first air outlet 4 and the second air inlet 7 are connected through a connecting pipe 6, so that the air in the first heat exchanger 5 enters a second heat exchanger 9 through the connecting pipe 6; the exhaust pipeline 2 is connected to the first air inlet 3, and the other end of the exhaust pipeline 2 is connected to the drying rotary kiln 1;
the second communication port 28 is a water inlet of a heat exchange tube 33 of the second heat exchanger 9, the heat exchange communication tube 29 is connected with the second communication port 28, the first communication port 27 is a water inlet of the heat exchange tube 33 of the first heat exchanger 5, and the heat exchange communication tube 29 is connected with the first communication port 27;
the second hot water port 32 is a water outlet of a heat exchange tube 33 of the second heat exchanger 9, the second hot water branch tube 15 is connected with the second hot water port 32, the first hot water port 31 is a water outlet of the heat exchange tube 33 of the first heat exchanger 5, and the first hot water branch tube 14 is connected with the first hot water port 31;
the bag-type dust collector 11 comprises a bag air inlet 35 and a bag air outlet 36, one end of the bag air inlet pipe 10 is connected to the second air outlet 8, and the other end of the bag air inlet pipe is connected to the bag air inlet 35; the cloth bag air outlet pipe 37 is connected to the cloth bag air outlet 36, the other end of the cloth bag air outlet pipe 37 is connected to the fan 12, and the fan 12 is connected with the chimney 13;
the heat exchange communicating pipe 29 is provided with a heat exchange water inlet 30 and a heat exchanger blow-down valve 34;
the hot water first branch pipe 14 is butted with the hot water second branch pipe 15, the butt joint part is connected with a hot water main pipe 16, so that hot water in the hot water first branch pipe 14 and the hot water second branch pipe 15 flows into the hot water main pipe 16, and the hot water main pipe 16 is connected to a hot water tank 17;
a part of the hot water outlet pipe 18 is arranged in the hot water tank, a part of the hot water outlet pipe is arranged outside the hot water tank, the part inside the hot water tank extends into the hot water tank from the bottom of the hot water tank 17, the hot water outlet pipe 18 outside the hot water tank 17 is connected with a hot water outlet valve 19, the other end of the hot water outlet valve 19 is connected with a hot water circulating pump 20, the hot water circulating pump 20 is connected with a water separator 21, and the water separator 21 is connected with a water distribution pipe 22;
the heating equipment 23 comprises a water inlet end 38 and a water outlet end 39, the other end of the shunt pipe 22 is connected to the water inlet end 38 of the heating equipment 23, and the heating equipment 23 is generally used for heating. The water return pipe 24 is connected to the water outlet end 39 of the heat supply equipment 23, and hot water passes through the heat supply equipment 23 and then enters the hot water tank 17 through the water return pipe 24;
preferably, the height of the hot water outlet pipe 18 extending into the hot water tank 17 is 30% -50% of the height of the hot water tank 17.
The heat exchange water inlet pipe 26 is connected to the hot water tank 17, and the other end thereof is connected to the heat exchange water inlet 30 of the heat exchange communication pipe 29, so that the low-temperature water flowing back through the water return pipe 24 in the hot water tank enters the heat exchange communication pipe 29.
When the device works, wet graphite is dried in the drying rotary kiln 1, and hot air enters the drying rotary kiln 1 to dry the wet graphite. The graphite drying tail gas discharged from the drying rotary kiln 1 is heated to above 700 ℃, enters the first heat exchanger 5 through the exhaust pipeline 2, enters the heat exchange pipe 33 gap of the second heat exchanger 9 through the heat exchange pipe 33 gap of the first heat exchanger 5, the first gas outlet 4, the connecting pipe 6 and the second gas inlet 7, then enters the bag-type dust remover 11 through the second gas outlet 8 and the bag-type gas inlet pipe 10, is purified by the bag-type dust remover 11, and then enters the chimney 13 through the bag-type gas outlet 36 and the bag-type gas outlet 37 to be discharged. After the tail gas with a certain heat value passes through the first heat exchanger 5 and the second heat exchanger 9, the heat is transferred to the water medium in the heat exchange tubes 33 of the first heat exchanger 5 and the second heat exchanger 9.
Water in the heat exchange tubes 33 of the first heat exchanger 5 enters the hot water first branch tube 14 and the hot water main tube 16 through the first hot water port 31 after being heated by the graphite drying tail gas, and enters the hot water tank 17; the water in the heat exchange tube 33 of the second heat exchanger 9 is heated by the tail gas from the first air outlet 4 of the first heat exchanger 5, enters the hot water secondary branch tube 15 and the hot water main tube 16 through the second hot water port 32, and finally enters the hot water tank 17;
the density of water decreases as the temperature increases, and therefore, in the hot water tank 17, hot water is distributed in the upper portion of the hot water tank 17, and the lower portion of cold water flowing back from the return pipe 24 is at the bottom of the hot water tank 17. The hot water outlet pipe 18 extends into the water tank, and hot water can flow out through the hot water outlet pipe 18. The hot water circulating pump 20 injects hot water in the hot water tank 17 into the heating apparatus 23 through the water separator 21.
Through field tests, the graphite drying tail gas utilization device with the structure has the outdoor temperature of minus 30 ℃ in winter in northeast regions, and the indoor temperature can reach 25-30 ℃.
The utility model discloses a simple structure, tail gas waste heat utilization are effectual, detect, assess through actual popularization and application and relevant department, the device operates stably, and the environmental protection can reach international standard, and the investment is lower, forms more perfect product quality standard system to the development and the production of energy-concerving and environment-protective type graphite stoving tail gas utilization technique. The utility model discloses an environmental protection, energy-conserving effect are outstanding, have obvious environmental benefit and economic benefits.
Claims (6)
1. The utility model provides a graphite stoving tail gas utilizes device which characterized in that: the device comprises a drying rotary kiln, an exhaust pipeline, a first air inlet, a first air outlet, a first heat exchanger, a connecting pipe, a second air inlet, a second air outlet, a second heat exchanger, a cloth bag air inlet pipe, a cloth bag dust remover, a fan, a chimney, a hot water first branch pipe, a hot water second branch pipe, a hot water main pipe, a hot water tank, a hot water outlet pipe, a hot water outlet valve, a hot water circulating pump, a water separator, a water dividing pipe, heating equipment, a water returning pipe, a blow-down valve, a heat exchange water inlet pipe, a first communicating port, a second communicating port, a heat exchange communicating pipe, a heat exchange water inlet, a first hot water port, a second hot water port, a heat exchange pipe, a heat exchanger blow-down valve, a cloth bag air inlet, a cloth bag air outlet pipe, a water inlet end and a water outlet end; gas runs between the heat exchange tubes, and liquid runs in the heat exchange tubes; the first heat exchanger comprises a first air inlet, a first communication port, a first hot water port and a first air outlet; the first heat exchanger comprises a first air inlet, a first communication port, a first hot water port and a first air outlet, and the first air outlet and the first air inlet are connected through a connecting pipe, so that the air in the first heat exchanger enters the first heat exchanger through the connecting pipe; the exhaust pipeline is connected to the first air inlet, and the other end of the exhaust pipeline is connected to the drying rotary kiln; the first communicating port is a water inlet of a heat exchange tube of the first heat exchanger, the heat exchange communicating tube is connected with the first communicating port, the second communicating port is a water inlet of a heat exchange tube of the second heat exchanger, and the heat exchange communicating tube is connected with the second communicating port; the first hot water port is a water outlet of a heat exchange tube of the first heat exchanger, the first branch hot water pipe is connected with the first hot water port, the second hot water port is a water outlet of a heat exchange tube of the second heat exchanger, and the second branch hot water pipe is connected with the second hot water port; a heat exchange water inlet and a heat exchanger blow-down valve are arranged on the heat exchange communicating pipe; the hot water first branch pipe and the hot water second branch pipe are butted, and a hot water main pipe is connected at the butted position, so that hot water in the hot water first branch pipe and the hot water second branch pipe flows into the hot water main pipe, and the hot water main pipe is connected to a hot water tank; the hot water outlet pipe is partially arranged in the hot water tank and partially arranged outside the hot water tank, the part inside the hot water tank extends from the bottom of the hot water tank, the hot water outlet pipe outside the hot water tank is connected with a hot water outlet valve, the other end of the hot water outlet valve is connected with a hot water circulating pump, the hot water circulating pump is connected with a water separator, and the water separator is connected with a water dividing pipe; the heat exchange water inlet pipe is connected to the hot water tank, and the other end of the heat exchange water inlet pipe is connected to the heat exchange water inlet of the heat exchange communicating pipe.
2. The graphite drying tail gas utilization device according to claim 1, characterized in that: the first heat exchanger and the second heat exchanger are both serpentine tube type heat exchangers.
3. The graphite drying tail gas utilization device according to claim 1, characterized in that: the bag-type dust collector comprises a bag air inlet and a bag air outlet, one end of the bag air inlet pipe is connected to the second air outlet, and the other end of the bag air inlet pipe is connected to the bag air inlet; the sack outlet duct is connected on the sack gas outlet, and the other end of sack outlet duct is connected on the fan, and the fan is connected with the chimney.
4. The graphite drying tail gas utilization device according to claim 1, characterized in that: the heat supply equipment comprises a water inlet end and a water outlet end, and the other end of the water distribution pipe is connected to the water inlet end of the heat supply equipment; the return pipe is connected to the water outlet end of the heat supply equipment, and hot water enters the hot water tank through the return pipe after passing through the heat supply equipment.
5. The graphite drying tail gas utilization device according to claim 1, characterized in that: the height of the hot water outlet pipe extending into the hot water tank is 30-50% of the height of the hot water tank.
6. The graphite drying tail gas utilization device according to claim 1, characterized in that: the blowdown valve arranged in the heat exchange communicating pipe can be used for periodically opening scales in the cleaning pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121519009.5U CN215447464U (en) | 2021-07-06 | 2021-07-06 | Graphite stoving tail gas utilizes device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121519009.5U CN215447464U (en) | 2021-07-06 | 2021-07-06 | Graphite stoving tail gas utilizes device |
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| Publication Number | Publication Date |
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| CN215447464U true CN215447464U (en) | 2022-01-07 |
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| CN202121519009.5U Active CN215447464U (en) | 2021-07-06 | 2021-07-06 | Graphite stoving tail gas utilizes device |
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| CN (1) | CN215447464U (en) |
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2021
- 2021-07-06 CN CN202121519009.5U patent/CN215447464U/en active Active
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