CN115382326A - Waste gas washing heat energy recovery tower and recovery system using same - Google Patents
Waste gas washing heat energy recovery tower and recovery system using same Download PDFInfo
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- CN115382326A CN115382326A CN202211225216.9A CN202211225216A CN115382326A CN 115382326 A CN115382326 A CN 115382326A CN 202211225216 A CN202211225216 A CN 202211225216A CN 115382326 A CN115382326 A CN 115382326A
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- heat energy
- tower body
- waste gas
- energy recovery
- tower
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- 239000002912 waste gas Substances 0.000 title claims abstract description 77
- 238000011084 recovery Methods 0.000 title claims abstract description 67
- 238000005406 washing Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000005507 spraying Methods 0.000 claims abstract description 55
- 238000009826 distribution Methods 0.000 claims abstract description 44
- 239000007789 gas Substances 0.000 claims description 53
- 239000008213 purified water Substances 0.000 claims description 22
- 238000005201 scrubbing Methods 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 239000013505 freshwater Substances 0.000 claims description 2
- 238000004064 recycling Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract 1
- 230000007774 longterm Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 8
- 238000005457 optimization Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D3/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits
- F28D3/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits with tubular conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/008—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using scrapers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention discloses a waste gas washing heat energy recovery tower and a recovery system utilizing the recovery tower, which comprises a tower body, an air inlet arranged at the lower part of the tower body, an upper cover positioned at the upper end of the tower body and provided with an air outlet, a lower cover positioned at the lower end of the tower body and provided with a water outlet, a bracket arranged at the lower end of the tower body, a first spraying device and a second spraying device which are positioned in the tower body and respectively used for spraying waste gas introduced into the tower body, an air distribution plate and a horn-shaped box distributor which are positioned in the tower body, and two heat exchange pieces which are arranged at the top of the tower body and used for exchanging heat for the waste gas. Compared with the original mode of directly introducing the waste gas into the heat energy recycling piece, the waste gas washing heat energy recovery tower and the waste gas washing heat energy recovery system avoid the occurrence of residual impurities in the heat energy recycling piece in the long-term heat exchange process, thereby ensuring the service life of the heat energy recycling piece; and the waste gas washing heat energy recovery system can improve the heat energy recovery effect of the waste gas.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a waste gas washing heat energy recovery tower developed aiming at the waste gas treatment problem of grain and oil processing factories and a recovery system using the recovery tower.
Background
In a grain and oil processing plant, a large amount of dust-containing and hot waste gas is discharged from a cooling box and a stripping machine of the grain and oil processing plant, so that the dust-containing and hot waste gas needs to be subjected to dust removal and heat energy recovery processing, when the waste gas is processed, the dust-containing and hot waste gas is usually directly introduced into equipment needing a heat source, and the waste gas which is cooled after heat energy is released is introduced into a recovery tower for washing operation and then discharged; in addition, the mode of directly introducing the waste gas into the equipment needing the heat source can only realize single heat exchange recovery of heat energy, so that the heat energy recovery efficiency is not high.
Disclosure of Invention
The invention mainly aims to provide a waste gas washing heat energy recovery tower and a recovery system using the same, which can effectively solve the problems of poor heat energy recovery safety and low heat energy recovery efficiency.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a waste gas washing heat energy recovery tower, which comprises a tower body, a gas inlet arranged at the lower part of the tower body, an upper cover positioned at the upper end of the tower body and provided with a gas outlet, a lower cover positioned at the lower end of the tower body and provided with a water outlet, a bracket arranged at the lower end of the tower body, a first spraying device and a second spraying device which are positioned inside the tower body and respectively used for spraying waste gas introduced into the tower body, a gas distribution plate and a horn-shaped box distributor which are positioned inside the tower body, and two heat exchange pieces which are arranged at the top of the tower body and used for exchanging heat for the waste gas;
the gas distribution plate and the horn-shaped box distributor are of a multi-layer structure which is distributed up and down, the gas distribution plate is positioned between the gas inlet and the first spraying device, the first spraying device is positioned above the gas inlet, the horn-shaped box distributor is positioned between the first spraying device and the second spraying device, and the second spraying device is positioned above the first spraying device;
the first spraying device and the second spraying device respectively comprise two guide pipes arranged in the tower body, a plurality of spiral nozzles arranged at the lower ends of the guide pipes and a first water inlet arranged at one end of each guide pipe;
the equal fixed mounting of pipe on the first spray set is on the inside wall of tower body, the last spiral nozzle of first spray set all is the slope and distributes, and the spiral nozzle lower extreme on the first spray set all to keeping away from tower body one side slope.
As a further optimization scheme of the invention, the horn-shaped box distributor comprises a plurality of horn-shaped distribution pieces which are distributed in an up-and-down staggered manner;
the angular distribution pieces comprise inverted V-shaped angle plates and side plates arranged at two ends of the V-shaped angle plates.
As a further optimization scheme of the invention, the air distribution plate is provided with a plurality of air distribution holes which are all in a round hole structure.
As a further optimization scheme of the invention, the heat exchange part comprises a central column which is arranged at the top of the tower body and is horizontally distributed, a spiral coil which is wound on the outer surface of the central column, a fin heat exchanger which is sleeved on the spiral coil and a second water inlet which is communicated with the interior of the spiral coil.
As a further optimization scheme of the invention, the tower body is provided with a plurality of maintenance manholes which are respectively arranged between the horn-shaped box distributor and the second spraying device, between the gas distribution plate and the first spraying device and between the gas distribution plate and the lower cover.
As a further optimization scheme of the invention, the tower body is also provided with an overflow port, and the overflow port is arranged between the lower cover and the gas distribution plate.
As a further optimization scheme of the invention, the lower cover is respectively provided with a new water replenishing port for adding purified water into the lower cover and a water outlet for discharging the purified water subjected to heat exchange to external heat-requiring equipment, and the lower part of the tower body is also provided with a circulating water replenishing port for adding circulating purified water into the lower cover.
The invention also provides a waste gas washing heat energy recovery system which comprises two waste gas washing heat energy recovery towers, a conveying pipe connected with a water outlet, a scraper filter connected with the conveying pipe, two cloth bag filters connected with the scraper filter, a plate heat exchanger jointly connected with the two cloth bag filters, a return pipe arranged on the plate heat exchanger and respectively connected with the second spraying device and the first spraying device, a purified water feeder respectively connected with the plate heat exchanger and the return pipe and used for supplying water into the plate heat exchanger and the waste gas washing heat energy recovery tower, and a heat energy recycling piece arranged on the purified water feeder and used for carrying out heat energy recovery on heat exchange heating water in the purified water feeder.
As a further optimization scheme of the invention, the purified water feeder is also provided with a control valve communicated with the return pipe.
As a further optimized scheme of the invention, the conveying pipe is also provided with a one-way valve.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the recycling tower body is used for carrying out multiple spraying heat exchange operations on the high-temperature waste gas containing dust in advance, then the water body subjected to washing heat exchange is conveyed to the filtering heat exchange device for carrying out filtering heat exchange operation, and finally the water body subjected to filtering heat exchange and temperature rise is conveyed to the heat energy recycling piece for heat energy release.
2. According to the waste gas washing heat energy recovery system, the gas distribution plate, the first spraying device, the horn-shaped box distributor, the second spraying device and the two heat exchange pieces are arranged in the waste gas washing heat energy recovery tower, so that gas distribution, washing dust removal and heat exchange operations of waste gas can be realized, and compared with single heat exchange treatment by directly introducing the waste gas into the heat energy recovery pieces, the waste gas washing heat energy recovery system can improve the heat energy recovery effect of the waste gas.
Drawings
FIG. 1 is an overall structural view of an exhaust gas scrubbing heat energy recovery tower according to the present invention;
FIG. 2 is a schematic view of a corner box distributor of an exhaust gas scrubbing heat recovery tower according to the present invention;
FIG. 3 is a schematic structural diagram of a gas distribution plate of a waste gas scrubbing heat energy recovery tower according to the present invention;
FIG. 4 is a schematic diagram of the internal structure of a heat exchange member of the waste gas scrubbing heat energy recovery tower of the present invention;
FIG. 5 is a schematic structural view of a second spraying device of the waste gas scrubbing heat energy recovery tower according to the present invention;
FIG. 6 is a schematic diagram of a waste gas scrubbing heat energy recovery system according to the present invention.
In the figure: 1. a tower body; 2. an air inlet; 3. a gas distribution plate; 4. a first spraying device; 5. a horn-like box distributor; 6. a second spraying device; 7. a heat exchange member; 8. an upper cover; 9. an exhaust port; 10. a circulating water replenishing port; 11. an overflow port; 12. a lower cover; 13. a support; 14. a new water replenishing port; 15. a water outlet; 16. a manhole; 17. a water discharge port; 18. a delivery pipe; 19. a one-way valve; 20. a scraper filter; 21. a cloth bag filter; 22. a plate heat exchanger; 23. a thermal energy recovery element; 24. a purified water supply device; 25. a control valve; 26. a return pipe; 31. distributing air holes; 51. a V-shaped corner plate; 52. a side plate; 61. a spiral nozzle; 62. a conduit; 63. a first water inlet; 71. a helical coil; 72. a finned heat exchanger; 73. a second water inlet; 74. a central column.
Detailed Description
The present application will now be described in further detail with reference to the drawings, and it should be noted that the following detailed description is given for purposes of illustration only and should not be construed as limiting the scope of the present application, as these numerous insubstantial modifications and variations can be made by those skilled in the art based on the teachings of the present application.
Example 1
As shown in fig. 1 and fig. 5, a waste gas washing heat energy recovery tower comprises a tower body 1, a gas inlet 2 arranged at the lower part of the tower body 1, an upper cover 8 arranged at the upper end of the tower body 1 and provided with a gas outlet 9, a lower cover 12 arranged at the lower end of the tower body 1 and provided with a water outlet 17, and a support 13 arranged at the lower end of the tower body 1, and further comprises a first spraying device 4 and a second spraying device 6 which are arranged inside the tower body 1 and respectively used for spraying waste gas introduced into the tower body 1, a gas distribution plate 3 and a horn-shaped box distributor 5 which are arranged inside the tower body 1, and two heat exchange pieces 7 which are arranged at the top of the tower body 1 and used for exchanging heat for the waste gas;
the gas distribution plate 3 and the horn-shaped box distributor 5 are both of a multilayer structure which is distributed up and down, the gas distribution plate 3 is positioned between the gas inlet 2 and the first spraying device 4, the first spraying device 4 is positioned above the gas inlet 2, the horn-shaped box distributor 5 is positioned between the first spraying device 4 and the second spraying device 6, and the second spraying device 6 is positioned above the first spraying device 4;
the first spraying device 4 and the second spraying device 6 both comprise two guide pipes 62 arranged in the tower body 1, a plurality of spiral nozzles 61 arranged at the lower ends of the guide pipes 62, and a first water inlet 63 arranged at one end of the guide pipes 62;
the pipe 62 on the first spray set 4 is all fixed mounting on the inside wall of tower body 1, and the last spiral nozzle 61 of first spray set 4 all is the slope and distributes, and the spiral nozzle 61 lower extreme on the first spray set 4 all to keeping away from tower body 1 lopsidedness.
As shown in fig. 1, 2, 3 and 4, the horn box distributor 5 comprises a plurality of horn-shaped distributors staggered up and down; the angular distribution pieces comprise inverted V-shaped angle plates 51 and side plates 52 arranged at two ends of the V-shaped angle plates 51; a plurality of air distribution holes 31 are formed in the air distribution plate 3, and the air distribution holes 31 are all in a circular hole structure; the heat exchange member 7 comprises a central column 74 which is arranged at the top of the tower body 1 and is distributed horizontally, a spiral coil 71 which is wound on the outer surface of the central column 74, a fin heat exchanger 72 which is sleeved on the spiral coil 71 and a second water inlet 73 which is communicated with the inside of the spiral coil 71; a plurality of inspection manholes 16 are arranged on the tower body 1, and the inspection manholes 16 are respectively arranged between the horn-shaped box distributor 5 and the second spraying device 6, between the gas distribution plate 3 and the first spraying device 4 and between the gas distribution plate 3 and the lower cover 12; the tower body 1 is also provided with an overflow port 11, the overflow port 11 is arranged between the lower cover 12 and the gas distribution plate 3, and the arrangement of the plurality of gas distribution holes 31 on the gas distribution plate 3 can realize the uniform distribution of the waste gas, ensure the full contact of the waste gas and the spraying water body and facilitate the full leaching operation of the waste gas; and a plurality of horn-shaped distribution pieces on the horn-shaped box distributor 5 are distributed in a vertically staggered manner, so that the ascending path of the waste gas in the tower body 1 can be prolonged, and the full washing of the waste gas is ensured.
As shown in fig. 1, the lower cover 12 is provided with a fresh water replenishing port 14 for adding purified water into the lower cover 12 and a water outlet 15 for discharging the purified water after heat exchange to an external heat demand device, and the lower part of the tower body 1 is also provided with a circulating water replenishing port 10 for adding circulating purified water into the lower cover 12, so that the heat exchange operation of washing wastewater can be realized inside the tower body 1, and the heat energy recovery can be performed on the washed wastewater.
Based on the same invention concept, the invention also provides a waste gas washing heat energy recovery system, which comprises two waste gas washing heat energy recovery towers, a delivery pipe 18 connected with a water discharge port 17, a scraper filter 20 connected with the delivery pipe 18, two cloth bag filters 21 connected with the scraper filter 20, a plate heat exchanger 22 connected with the two cloth bag filters 21 together, a return pipe 26 arranged on the plate heat exchanger 22 and respectively connected with the second spraying device 6 and the first spraying device 4, a purified water feeder 24 respectively connected with the plate heat exchanger 22 and the return pipe 26 and used for supplying water to the plate heat exchanger 22 and the waste gas washing heat energy recovery towers, and a heat energy recycling piece 23 arranged on the purified water feeder 24 and used for carrying out heat energy recovery on heat exchange and warming water in the purified water feeder 24, wherein the heat energy recycling piece 23 comprises a plurality of fin heat exchangers 72.
The purified water supply device 24 is also provided with a control valve 25 communicated with a return pipe 26; the delivery pipe 18 is also provided with a one-way valve 19, and the one-way valve 19 can enable the wastewater to flow in a one-way to avoid the wastewater from flowing back; and the control valve 25 is provided to control the operation of supplying water to the body of water in the clean water supply 24.
The invention is to be noted that the invention is a waste gas washing heat energy recovery tower and system, the high temperature waste gas containing oil, bean pulp, ethane gas, dust discharged from the cooling dryer is introduced into two waste gas washing heat energy recovery towers respectively, the waste gas enters the waste gas washing heat energy recovery towers through the gas inlet 2, the gas distribution operation is carried out to the waste gas by the gas distribution hole 31 on the gas distribution plate 3, the spiral nozzles 61 on the first spray device 4 are distributed obliquely, therefore, the water body sprayed by the spiral nozzles 61 on the first spray device 4 forms a downward inclined water curtain, the gas with uniform gas distribution is washed by the water curtain formed by the first spray device 4, the washed waste gas rises to the horn-shaped box distributor 5, the horn-shaped distribution pieces on the horn-shaped box distributor 5 are distributed in up and down staggered way, the rising path of the waste gas in the tower body 1 is prolonged, waste gas rises layer by layer through gaps on the horn-shaped box distributor 5, the waste gas fully contacts with water mist sprayed from the second spraying device 6 in the rising process, dust particles in the waste gas fall down after absorbing water, heat energy exchange is also carried out when the waste gas contacts with the water, the water absorbs heat energy to heat up, the waste gas releases heat energy to cool down, in addition, organic matters in the waste gas are dissolved into the water through spraying of the water mist, the peculiar smell generated by the organic matters in the waste gas is removed, the discharged gas meets the emission requirement, the sprayed waste gas is subjected to heat exchange operation with the heat exchange part 7 at the top of the tower body 1, the fin heat exchanger 72 absorbs the heat energy of the top waste gas, the temperature of the top waste gas is reduced to below 45 ℃ from 75-80 ℃ after heat exchange, the top waste gas is discharged from the exhaust port 9, and water sprayed in the two waste gas washing heat energy recovery towers is conveyed to the scraper filter 20 through the conveying pipe 18, the cloth bag filter 21 and the plate heat exchanger 22 are used for filtering and heat exchanging operation, the waste water after filtering and heat exchanging is sent into the heat energy recycling piece 23 for heat energy releasing operation, the water body is cooled after the heat energy is released by the heat energy recycling piece 23 and flows back to the water purifying feeder 24 for water recycling, and recycling of the water body is achieved.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a waste gas washing heat recovery tower, includes tower body (1), sets up air inlet (2) in tower body (1) lower part, is located tower body (1) upper end and opens upper shield (8) that have gas vent (9), is located tower body (1) lower extreme and opens lower cover (12) that have outlet (17) and locates support (13) of tower body (1) lower extreme, its characterized in that: the device comprises a tower body (1), a first spraying device (4) and a second spraying device (6) which are positioned in the tower body (1) and are respectively used for spraying waste gas introduced into the tower body (1), an air distribution plate (3) and a horn-shaped box distributor (5) which are positioned in the tower body (1), and two heat exchange pieces (7) which are arranged at the top of the tower body (1) and are used for exchanging heat for the waste gas;
the gas distribution plate (3) and the horn-shaped box distributor (5) are of a multilayer structure which is distributed from top to bottom, the gas distribution plate (3) is positioned between the gas inlet (2) and the first spraying device (4), the first spraying device (4) is positioned above the gas inlet (2), the horn-shaped box distributor (5) is positioned between the first spraying device (4) and the second spraying device (6), and the second spraying device (6) is positioned above the first spraying device (4);
the first spraying device (4) and the second spraying device (6) respectively comprise two guide pipes (62) arranged in the tower body (1), a plurality of spiral nozzles (61) arranged at the lower ends of the guide pipes (62), and a first water inlet (63) arranged at one end of each guide pipe (62);
the equal fixed mounting in the inside wall of tower body (1) of pipe (62) on first spray set (4), spiral nozzle (61) on first spray set (4) all are the slope and distribute, and spiral nozzle (61) lower extreme on first spray set (4) all to keeping away from tower body (1) one side slope.
2. The exhaust gas scrubbing heat energy recovery tower of claim 1, wherein: the horn-shaped box distributor (5) comprises a plurality of horn-shaped distribution pieces which are distributed in an up-down staggered manner;
the angular distribution pieces comprise inverted V-shaped angle plates (51) and side plates (52) arranged at two ends of the V-shaped angle plates (51).
3. The exhaust gas scrubbing heat energy recovery tower of claim 1, wherein: the air distribution plate (3) is provided with a plurality of air distribution holes (31), and the air distribution holes (31) are all in a round hole structure.
4. The exhaust gas scrubbing heat energy recovery tower of claim 1, wherein: the heat exchange piece (7) comprises a center column (74) which is arranged at the top of the tower body (1) and is horizontally distributed, a spiral coil (71) wound on the outer surface of the center column (74), a fin heat exchanger (72) sleeved on the spiral coil (71) and a second water inlet (73) communicated with the inside of the spiral coil (71).
5. The exhaust gas scrubbing heat energy recovery tower of claim 1, wherein: be equipped with a plurality of inspection manholes (16) on tower body (1), and inspect manholes (16) and locate between horny box distributor (5) and second spray set (6), between gas distribution plate (3) and first spray set (4) and between gas distribution plate (3) and lower cover (12) respectively.
6. The exhaust gas scrubbing heat energy recovery tower of claim 1, wherein: still be equipped with overflow mouth (11) on tower body (1), overflow mouth (11) are located down and are covered (12) and between gas distribution plate (3).
7. The exhaust gas scrubbing heat energy recovery tower of claim 1, wherein: the lower cover (12) is respectively provided with a fresh water replenishing port (14) for adding purified water into the lower cover (12) and a water outlet (15) for discharging the purified water subjected to heat exchange to external heat-requiring equipment, and the lower part of the tower body (1) is also provided with a circulating water replenishing port (10) for adding circulating purified water into the lower cover (12).
8. The utility model provides an exhaust gas scrubbing heat recovery system which characterized in that: the waste gas washing heat energy recovery tower comprises at least one waste gas washing heat energy recovery tower according to any one of claims 1 to 7, a delivery pipe (18) connected with a water discharge outlet (17) of the waste gas washing heat energy recovery tower, a scraper filter (20) connected with the delivery pipe (18), at least one cloth bag filter (21) connected with the scraper filter (20), a plate heat exchanger (22) connected with the cloth bag filter (21), a return pipe (26) arranged on the plate heat exchanger (22) and respectively connected with a second spraying device (6) and a first spraying device (4) of the waste gas washing heat energy recovery tower, a purified water supply device (24) respectively connected with the plate heat exchanger (22) and the return pipe (26) of the waste gas washing heat energy recovery tower and used for supplying water into the plate heat exchanger (22) and the waste gas washing heat energy recovery tower, and a heat energy recovery device (23) arranged on the purified water supply device (24) and used for performing heat energy recovery on heat exchange and water rising in the purified water supply device (24).
9. An exhaust gas scrubbing heat energy recovery system as set forth in claim 8, wherein: the purified water supply device (24) is also provided with a control valve (25) communicated with the return pipe (26).
10. An exhaust gas scrubbing heat energy recovery system according to claim 8, wherein: the delivery pipe (18) is also provided with a one-way valve (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211225216.9A CN115382326B (en) | 2022-10-09 | 2022-10-09 | Waste gas washing heat energy recovery tower and recovery system using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211225216.9A CN115382326B (en) | 2022-10-09 | 2022-10-09 | Waste gas washing heat energy recovery tower and recovery system using same |
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| Publication Number | Publication Date |
|---|---|
| CN115382326A true CN115382326A (en) | 2022-11-25 |
| CN115382326B CN115382326B (en) | 2024-08-02 |
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2022
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|---|---|---|---|---|
| US5500130A (en) * | 1994-11-29 | 1996-03-19 | The University Of Toronto Innovations Foundation And Apollo Environmental Systems Corp. | Method for effecting gas-liquid contact |
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