CN219347434U - Coal gas waste heat recovery device for coke production - Google Patents
Coal gas waste heat recovery device for coke production Download PDFInfo
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- CN219347434U CN219347434U CN202320520782.6U CN202320520782U CN219347434U CN 219347434 U CN219347434 U CN 219347434U CN 202320520782 U CN202320520782 U CN 202320520782U CN 219347434 U CN219347434 U CN 219347434U
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The utility model relates to the technical field of coal gas waste heat recovery devices, and discloses a coal gas waste heat recovery device for coke production, which comprises a filter box, a first heat exchange box and a second heat exchange box, wherein a first vent pipe is fixedly connected between the first heat exchange boxes, a second vent pipe is fixedly connected between the first heat exchange boxes and the second heat exchange boxes, water tanks are fixedly arranged on the upper end surfaces of the first heat exchange boxes and the second heat exchange boxes, two communicating pipes are fixedly connected inside the first heat exchange boxes and the second heat exchange boxes, heat exchange pipes are fixedly connected inside the water tanks, and two ends of each heat exchange pipe are fixedly connected with the two communicating pipes respectively. According to the utility model, hot water and steam can be generated by utilizing the waste heat of gas to supply heat, the waste heat of the gas is fully recycled, the waste heat is reduced, the temperature of the gas is reduced, the subsequent discharge is convenient, and the filter box is arranged to filter the entering gas, so that the dust content in the gas is reduced.
Description
Technical Field
The utility model relates to the technical field of gas waste heat recovery devices, in particular to a gas waste heat recovery device for coke production.
Background
The waste flue gas produced during production of coke is internally provided with a large amount of waste heat, a coke furnace in a coke production system can generate a large amount of dust-containing gas with extremely high heat in the use process, the heat also has considerable recycling value, if the heat is directly discharged after treatment, the heat is wasted, and the energy conservation and the environmental protection are not enough. Accordingly, a person skilled in the art provides a device for recovering waste heat of coal gas for coke production, so as to solve the problems set forth in the background art.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a coal gas waste heat recovery device for coke production, which can utilize waste heat of coal gas to generate hot water and steam for heat supply, so that the waste heat of the coal gas is fully recycled, the waste of heat is reduced, the temperature of the coal gas can be reduced, the subsequent discharge is facilitated, the energy is saved, the environment is protected, the filter box is arranged, the introduced coal gas can be filtered, the dust content in the coal gas is reduced, and the subsequent discharge is facilitated.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a coal gas waste heat recovery device for coke production, includes rose box and first heat exchange box and second heat exchange box, the rose box is because fixedly connected with first breather pipe between the first heat exchange box, fixedly connected with second breather pipe between first heat exchange box and the second heat exchange box, the up end of first heat exchange box and second heat exchange box is all fixedly provided with the water tank;
two communicating pipes are fixedly connected to the interiors of the first heat exchange box and the second heat exchange box, a heat exchange pipe is fixedly connected to the interior of the water tank, and two ends of the heat exchange pipe are fixedly connected with the two communicating pipes respectively;
through above-mentioned technical scheme, utilize the waste heat heating water in the water tank of waste gas, produce hot water and vapor and supply heat to recycle gas waste heat reduces the heat extravagant, also can reduce gas temperature, is convenient for follow-up emission, sets up first heat exchange box and second heat exchange box and water tank and has formed the heat transfer structure of second grade, and the meeting back utilization of the waste heat of gas is more abundant, and the utilization ratio is high, and the rose box of setting can filter the gas of letting in earlier, reduces the dust content in the gas.
Further, the filter box comprises a box body, a plurality of clamping grooves are fixedly formed in the inner bottom of the box body, a filter screen and a filter plate are respectively clamped on the upper sides of the clamping grooves, and the filter plate is made of active carbon;
through the above technical scheme, the filter that sets up is located between two filter screens, and the waste gas of letting in filters the big granule dust that contains in the gas through the filter screen of front side at first, later the rethread activated carbon filter carries out adsorption filtration, further adsorbs harmful gas and dust granule, and the filter screen of rethread rear side at last, the multi-layer filtration filter effect is strong, can effectually purify waste gas, reduces the dust content in the waste gas, is convenient for follow-up emission, also can prevent that the dust from piling up in the heat transfer pipe, leads to heat exchange efficiency to reduce.
Further, the upper end face of the box body is provided with a plurality of clamping plates in a clamping mode, and the lower ends of the clamping plates extend into the box body and are fixedly connected with the filter screen and the filter plate respectively;
through above-mentioned technical scheme, can pull out filter screen and filter in the box through pulling handle pulling cardboard to, it is more convenient when clearing up and changing.
Further, a water inlet pipe is fixedly connected to one side of the water tank close to the upper end, and a water outlet pipe is fixedly connected to one side of the water tank close to the lower end;
through the technical scheme, the water inlet pipe is convenient for adding cold water into the water tank, and the water outlet pipe is convenient for discharging hot water in the water tank.
Further, a plurality of fins are fixedly arranged at the outer end of the heat exchange tube;
through the technical scheme, the contact area between the heat exchange tube and the water body can be increased by the fins, and the heat exchange efficiency of the heat exchange tube is improved.
Further, the upper end of the water tank is fixedly connected with a steam discharge pipe, and the outer end of the steam discharge pipe is fixedly provided with an electromagnetic valve;
through the technical scheme, when the pressure in the water tank is higher, the electromagnetic valve can be opened to enable steam to be discharged through the steam discharge pipe.
Further, an observation window is fixedly arranged on the front end face of the water tank, and a thermometer and a pressure gauge are respectively and fixedly arranged at the upper end of the water tank;
through above-mentioned technical scheme, the observation window of setting is convenient for observe the inside liquid level condition of water tank, and thermometer and the manometer of setting are convenient for know water tank temperature and pressure condition.
Further, one side of the filter box is fixedly connected with an air inlet pipe, and one side of the second heat exchange box is fixedly connected with an air outlet pipe;
through above-mentioned technical scheme, waste gas gets into through the intake pipe, discharges through the outlet duct after the heat transfer is accomplished.
The utility model has the following beneficial effects:
1. according to the coal gas waste heat recovery device for coke production, provided by the utility model, through the first heat exchange box, the second heat exchange box, the water tank and the heat exchange pipes, water in the water tank can be heated by using waste heat of waste gas, hot water and steam are generated for heating, so that the coal gas waste heat is recycled, the heat waste is reduced, the temperature of coal gas can be reduced, the subsequent emission is facilitated, the energy is saved, the environment is protected, a secondary heat exchange structure is formed by arranging the first heat exchange box, the second heat exchange box and the water tank, the waste heat of the coal gas can be fully utilized after meeting, and the utilization rate is high.
2. When the device is used, the filter box is arranged, so that the introduced coal gas can be filtered and purified, the dust content in the coal gas is reduced, the subsequent discharge is convenient, dust accumulation in the heat exchange tube can be prevented, the heat exchange efficiency is reduced, and the sustainable use time is long.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional structure of a coal gas waste heat recovery device for coke production;
FIG. 2 is a front view of a coal gas waste heat recovery device for coke production, which is provided by the utility model;
fig. 3 is a schematic diagram of the internal structure of a filtering box of the gas waste heat recovery device for coke production;
fig. 4 is a schematic diagram of the internal structure of a water tank of a coal gas waste heat recovery device for coke production;
fig. 5 is an enlarged view at a in fig. 4.
Legend description:
1. a filter box; 101. a case; 102. a clamping plate; 103. a handle; 104. a clamping groove; 105. a filter screen; 106. a filter plate; 2. a first heat exchange tank; 3. a second heat exchange tank; 4. a water tank; 5. an air inlet pipe; 6. a first vent pipe; 7. a second vent pipe; 8. an air outlet pipe; 9. an observation window; 10. a water inlet pipe; 11. a water outlet pipe; 12. a communicating pipe; 13. a heat exchange tube; 14. fins; 15. a steam discharge pipe; 16. an electromagnetic valve; 17. a thermometer; 18. a pressure gauge.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, one embodiment provided by the present utility model is: the utility model provides a coal gas waste heat recovery device for coke production, includes rose box 1 and first heat exchange box 2 and second heat exchange box 3, and rose box 1 is because fixedly connected with first breather pipe 6 between the first heat exchange box 2, fixedly connected with second breather pipe 7 between first heat exchange box 2 and the second heat exchange box 3, and the up end of first heat exchange box 2 and second heat exchange box 3 is all fixed and is provided with water tank 4.
The inside of the first heat exchange box 2 and the second heat exchange box 3 are fixedly connected with two communicating pipes 12, the inside of the water tank 4 is fixedly connected with a heat exchange pipe 13, and two ends of the heat exchange pipe 13 are respectively and fixedly connected with the two communicating pipes 12.
The filter box 1 comprises a box body 101, a plurality of clamping grooves 104 are fixedly arranged at the inner bottom of the box body 101, a filter screen 105 and a filter plate 106 are respectively clamped at the upper sides of the clamping grooves 104, the filter plate 106 is made of active carbon, the arranged filter plate 106 is positioned between the two filter screens 105, the introduced waste gas firstly filters large particle dust contained in the gas through the filter screen 105 at the front side, then the activated carbon filter plate 106 is used for carrying out adsorption filtration, harmful gas and dust particles are further adsorbed, finally, the filter screen 105 at the rear side is used, the multi-layer filtration structure has strong filtration effect, the waste gas can be effectively purified, the dust content in the waste gas is reduced, the subsequent emission is convenient, the dust can be prevented from being accumulated in a heat exchange tube 13, the heat exchange efficiency is reduced, a plurality of clamping plates 102 are clamped at the upper end face of the box body 101, the upper end face of the clamping plates 102 is fixedly connected with a handle 103, the lower ends of the clamping plates 102 extend into the box 101 and are respectively fixedly connected with the filter screen 105 and the filter plate 106, the filter screen 105 and the filter plate 106 can be pulled by pulling the clamping plates 102 through pulling the handle 103, so that the inside of the box 101 is pulled out, cleaning and replacement are more convenient, the water inlet pipe 10 is fixedly connected to one side of the water tank 4 near the upper end, the water outlet pipe 11 is fixedly connected to one side of the water tank 4 near the lower end, the water inlet pipe 10 is convenient for adding cold water into the water tank 4, the water outlet pipe 11 is convenient for discharging hot water in the water tank 4, the plurality of fins 14 are fixedly arranged at the outer end of the heat exchange pipe 13, the contact area of the heat exchange pipe 13 and a water body can be increased by the arranged fins 14, the heat exchange efficiency of the heat exchange pipe 13 is improved, the steam discharge pipe 15 is fixedly connected to the upper end of the water tank 4, the electromagnetic valve 16 is fixedly arranged at the outer end of the steam discharge pipe 15, when the pressure in the water tank 4 is higher, the electromagnetic valve 16 can be opened to enable steam to be discharged through the steam discharge pipe 15, the preceding terminal surface of water tank 4 is fixed to be provided with observation window 9, and the upper end of water tank 4 is fixed respectively and is provided with thermometer 17 and manometer 18, and the observation window 9 of setting is convenient for observe the inside liquid level condition of water tank 4, and thermometer 17 and manometer 18 of setting are convenient for know water tank 4 temperature and pressure condition, and one side fixedly connected with intake pipe 5 of rose box 1, one side fixedly connected with outlet duct 8 of second heat exchange box 3, and waste gas gets into through intake pipe 5, discharges through outlet duct 8 after the heat transfer is accomplished.
Working principle: when the gas filter is used, dust-containing gas is introduced into the filter box 1 through the gas inlet pipe 5, the gas firstly filters large particle dust contained in the gas through the filter screen 105 at the front side, then the gas is subjected to adsorption filtration through the activated carbon filter plate 106, harmful gas and dust particles are further adsorbed, so that the dust content in the gas is reduced, the gas enters the first heat exchange box 2 through the first vent pipe 6 after being filtered, enters the heat exchange pipe 13 in the water tank 4 through the communicating pipe 12, the heat of the gas is utilized to heat the heat exchange pipe 13, the heat exchange pipe 13 is contacted with water in the water tank 4 for heat exchange, thereby heating water body to heat water and generating water vapor, the subsequent heat supply is facilitated, after the single heat exchange is finished, the gas enters the second heat exchange box 3 through the second vent pipe 7 for heat exchange again, the gas waste heat is further recycled, the gas temperature is reduced, the waste heat recovery effect is more sufficient, and finally the gas is discharged through the gas outlet pipe 8.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a coal gas waste heat recovery device for coke production, includes rose box (1) and first heat exchange box (2) and second heat exchange box (3), its characterized in that: the filter box (1) is fixedly connected with a first ventilation pipe (6) between the first heat exchange boxes (2), a second ventilation pipe (7) is fixedly connected between the first heat exchange boxes (2) and the second heat exchange boxes (3), and water tanks (4) are fixedly arranged on the upper end faces of the first heat exchange boxes (2) and the second heat exchange boxes (3);
the inside of first heat exchange box (2) and second heat exchange box (3) is all fixedly connected with two communicating pipes (12), the inside fixedly connected with heat exchange tube (13) of water tank (4), the both ends of heat exchange tube (13) are respectively with two communicating pipes (12) fixed connection.
2. The gas waste heat recovery device for coke production according to claim 1, wherein: the filter box (1) comprises a box body (101), a plurality of clamping grooves (104) are fixedly formed in the inner bottom of the box body (101), a filter screen (105) and a filter plate (106) are respectively clamped on the upper sides of the clamping grooves (104), and the filter plate (106) is made of activated carbon.
3. The gas waste heat recovery device for coke production according to claim 2, wherein: the upper end face card of box (101) is equipped with a plurality of cardboard (102), the up end fixedly connected with handle (103) of cardboard (102), a plurality of the lower extreme of cardboard (102) all stretches into inside box (101) and respectively with filter screen (105) and filter (106) fixed connection.
4. The gas waste heat recovery device for coke production according to claim 1, wherein: one side of the water tank (4) is fixedly connected with a water inlet pipe (10) near the upper end, and one side of the water tank (4) is fixedly connected with a water outlet pipe (11) near the lower end.
5. The gas waste heat recovery device for coke production according to claim 1, wherein: the outer end of the heat exchange tube (13) is fixedly provided with a plurality of fins (14).
6. The gas waste heat recovery device for coke production according to claim 1, wherein: the upper end of the water tank (4) is fixedly connected with a steam discharge pipe (15), and the outer end of the steam discharge pipe (15) is fixedly provided with an electromagnetic valve (16).
7. The gas waste heat recovery device for coke production according to claim 1, wherein: the front end face of the water tank (4) is fixedly provided with an observation window (9), and the upper end of the water tank (4) is fixedly provided with a thermometer (17) and a pressure gauge (18) respectively.
8. The gas waste heat recovery device for coke production according to claim 1, wherein: one side of the filter box (1) is fixedly connected with an air inlet pipe (5), and one side of the second heat exchange box (3) is fixedly connected with an air outlet pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320520782.6U CN219347434U (en) | 2023-03-17 | 2023-03-17 | Coal gas waste heat recovery device for coke production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320520782.6U CN219347434U (en) | 2023-03-17 | 2023-03-17 | Coal gas waste heat recovery device for coke production |
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| Publication Number | Publication Date |
|---|---|
| CN219347434U true CN219347434U (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320520782.6U Active CN219347434U (en) | 2023-03-17 | 2023-03-17 | Coal gas waste heat recovery device for coke production |
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| Country | Link |
|---|---|
| CN (1) | CN219347434U (en) |
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2023
- 2023-03-17 CN CN202320520782.6U patent/CN219347434U/en active Active
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