CN109200767B - Ammonia gas absorbing device - Google Patents
Ammonia gas absorbing device Download PDFInfo
- Publication number
- CN109200767B CN109200767B CN201811243712.0A CN201811243712A CN109200767B CN 109200767 B CN109200767 B CN 109200767B CN 201811243712 A CN201811243712 A CN 201811243712A CN 109200767 B CN109200767 B CN 109200767B
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- Prior art keywords
- inlet pipe
- ammonia gas
- shell
- plate
- ammonia
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 104
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 63
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 62
- 238000010521 absorption reaction Methods 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000000498 cooling water Substances 0.000 claims abstract description 41
- 230000000903 blocking effect Effects 0.000 claims description 30
- 238000003825 pressing Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 229910021529 ammonia Inorganic materials 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 241000134916 Amanita Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- DQYBDCGIPTYXML-UHFFFAOYSA-N ethoxyethane;hydrate Chemical compound O.CCOCC DQYBDCGIPTYXML-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1412—Controlling the absorption process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/10—Inorganic absorbents
- B01D2252/103—Water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/406—Ammonia
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sorption Type Refrigeration Machines (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses an ammonia gas absorbing device, which comprises a shell and an absorbing heat exchange core arranged in the shell, wherein a plate Cheng Liudao is formed in the absorbing heat exchange core, a shell pass flow channel is formed between the outside of the absorbing heat exchange core and the inner wall of the shell, a first ammonia gas inlet pipe and a second ammonia gas inlet pipe for flowing in ammonia gas are respectively arranged at the left side and the right side of the shell, an absorbing water inlet pipe is arranged at the upper end of the shell, an ammonia water outlet pipe is arranged at the lower end of the shell, and the first ammonia gas inlet pipe, the second ammonia gas inlet pipe, the absorbing water inlet pipe and the ammonia water outlet pipe are all communicated with the shell pass flow channel; the lower side of the front end of the shell is provided with a cooling water inlet pipe which extends into the lower part of the plate Cheng Liudao, the upper side of the front end of the shell is provided with a cooling water outlet pipe which extends into the upper part of the plate Cheng Liudao. The invention can fully mix the ammonia gas and the absorption water, has high mixing efficiency, and can absorb the heat generated in the process of mixing the ammonia gas and the absorption water to form ammonia water through cooling water, thereby achieving the purpose of outputting constant-temperature ammonia water.
Description
Technical field:
the invention relates to the technical field of ammonia absorption treatment, in particular to an ammonia absorption device.
The background technology is as follows:
Ammonia gas, amanita, NH 3, colorless gas, has strong pungent odor, density 0.7710, relative density 0.5971 (air=1.00), and is easily liquefied into colorless liquid. The product can be liquefied by pressurizing at normal temperature (critical temperature 132.4deg.C, critical pressure 11.2 megaPa, i.e. 112.2 atm), boiling point-33.5deg.C, and solidifying easily into snow-like solid, melting point-77.75deg.C, and dissolving in water, ethanol and diethyl ether.
In the current practical production, most of ammonia gas is absorbed by adopting a water spraying absorption method, namely spraying water from the top of the tower, introducing ammonia gas from the bottom of the tower, adding a filler into the tower, absorbing the ammonia gas on the surface of the filler (a water film is formed after water is added), and further polluting the environment due to poor absorption effect of the ammonia gas because the dissolved heat cannot be taken away in time and part of the ammonia gas is not absorbed and discharged into the atmosphere, thereby improving the production cost. Heat is generated when ammonia gas and water are fused, and the heat is not well utilized but is directly emitted, so that the heat does not meet the requirements of environmental protection and energy saving.
In view of this, the present inventors have proposed the following means.
The invention comprises the following steps:
the invention aims to overcome the defects of the prior art and provides an ammonia gas absorbing device.
In order to solve the technical problems, the invention adopts the following technical scheme: the ammonia gas absorbing device comprises a shell and an absorbing heat exchange core arranged in the shell, wherein a plate Cheng Liudao is formed inside the absorbing heat exchange core, a shell-pass flow channel is formed between the outside of the absorbing heat exchange core and the inner wall of the shell, a first ammonia gas inlet pipe and a second ammonia gas inlet pipe for flowing in ammonia gas are respectively arranged at the left side and the right side of the shell, an absorbing water inlet pipe is arranged at the upper end of the shell, an ammonia water outlet pipe is arranged at the lower end of the shell, and the first ammonia gas inlet pipe, the second ammonia gas inlet pipe, the absorbing water inlet pipe and the ammonia water outlet pipe are all communicated with the shell-pass flow channel; the lower side of the front end of the housing is provided with a cooling water inlet pipe which extends into the lower part of the plate Cheng Liudao, and the upper side of the front end of the housing is provided with a cooling water outlet pipe which extends into the upper part of the plate Cheng Liudao.
Furthermore, in the above technical scheme, a plurality of spoiler modules are arranged outside the absorption heat exchange core, and two ends of each spoiler module are arranged between the first ammonia gas inlet pipe and the absorption water inlet pipe, or between the second ammonia gas inlet pipe and the absorption water inlet pipe, or between the first ammonia gas inlet pipe and the ammonia water outlet pipe, or between the second ammonia gas inlet pipe and the ammonia water outlet pipe.
Furthermore, in the above technical scheme, the spoiler module comprises an arc spoiler fixedly coated on the outside of the absorption heat exchange core, a first U-shaped seat and a second U-shaped seat mounted on two ends of the arc spoiler, and a first U-shaped spoiler frame and a second U-shaped spoiler frame mounted on the first U-shaped seat and the second U-shaped seat respectively, wherein the upper ends of the first U-shaped spoiler frame and the second U-shaped spoiler frame are in contact with the inner wall of the shell, and form sealing connection.
Furthermore, in the above technical scheme, the upper ends of the first U-shaped flow blocking frame and the second U-shaped flow blocking frame are respectively provided with an elastic pressing piece, and the elastic pressing pieces are in pressing contact with the inner wall of the shell.
Furthermore, in the above technical solution, the lower end of the first U-shaped choke frame is mounted in the first U-shaped seat, and at least one first gasket is disposed therebetween; the lower end of the second U-shaped flow blocking frame is arranged in the second U-shaped seat, and at least one second gasket is arranged between the second U-shaped flow blocking frame and the second U-shaped seat.
Furthermore, in the above technical scheme, the inner diameters of the first ammonia gas inlet pipe, the second ammonia gas inlet pipe, the cooling water inlet pipe and the cooling water outlet pipe are equal, the inner diameters of the absorption water inlet pipe and the ammonia water outlet pipe are equal, and the inner diameters of the first ammonia gas inlet pipe, the second ammonia gas inlet pipe, the cooling water inlet pipe and the cooling water outlet pipe are all larger than the inner diameters of the absorption water inlet pipe and the ammonia water outlet pipe.
In a further aspect, the absorbent heat exchange core includes a header plate and a tail plate, and a plate assembly fixed between the header plate and the tail plate, the header plate and the tail plate being fixed to the housing, the plate assembly including a plurality of plate groups fixed together by welding, wherein outer edges of the two plate groups are fixed together, and a gap between the two plate groups forms the plate Cheng Liudao; the plate group comprises two plates which are identical in structure size and are welded and fixed relatively, the plates are provided with first round holes and second round holes, the front surface and the back surface of each plate are provided with corresponding protrusions and grooves, the protrusions of the first plates are in butt joint with the protrusions of the second plates, the first round holes and the second round holes of the two plates are in one-to-one correspondence, the inner edges of the two first round holes are welded together, the inner edges of the two second round holes are welded together, and a shell side flow channel is formed between a gap between the two plates and the inner wall of the shell.
By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects: when the ammonia water cooling device works, ammonia gas enters the shell-side flow channel from the left side and the right side along the first ammonia gas inlet pipe and the second ammonia gas inlet pipe, ammonia gas flows upwards, meanwhile, absorption water flows into the shell-side flow channel from top to bottom along the absorption water inlet pipe, the absorption water is directly mixed with the ammonia gas in the shell-side flow channel in a rolling way, the mixing effect is good, the effect is extremely high, basically all the ammonia gas can be mixed to form ammonia water, the ammonia water flows out of the ammonia water outlet pipe, the absorption water and the ammonia gas in the shell-side flow channel are mixed in a rolling way to form ammonia water, a large amount of heat is generated in the process of forming the ammonia water, meanwhile, cooling water flows into the plate Cheng Liudao along the cooling water inlet pipe, and then flows out of the cooling water outlet pipe, and a large amount of heat is generated in the process of forming the ammonia water with the absorption water in the shell-side flow channel, so that the ammonia water flowing out of the ammonia water outlet pipe is controlled to be stable, the ammonia water output is achieved, the ammonia water is formed into high temperature water with relatively high temperature after heat exchange, the cooling water outlet pipe flows out of the cooling water outlet pipe, the ammonia water can be connected to other equipment for use, the ammonia water cooling device is environment-friendly and energy-saving, and the ammonia water inlet pipe and the ammonia gas inlet pipe and the ammonia water outlet pipe and the ammonia water inlet efficiency is greatly improved.
Description of the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of a portion A of FIG. 2;
FIG. 4 is a left side view of an absorbent heat exchange core of the present invention;
fig. 5 is a schematic view of a partial structure of a plate assembly according to the present invention.
The specific embodiment is as follows:
the invention will be further described with reference to specific examples and figures.
Referring to fig. 1-5, an ammonia absorption device comprises a housing 1 and an absorption heat exchange core 2 installed in the housing 1, wherein a plate Cheng Liudao is formed inside the absorption heat exchange core 2, a shell-side flow channel 202 is formed between the outside of the absorption heat exchange core 2 and the inner wall of the housing 1, a first ammonia inlet pipe 11 and a second ammonia inlet pipe 12 for flowing in ammonia are respectively arranged at the left side and the right side of the housing 1, an absorption water inlet pipe 13 is arranged at the upper end of the housing 1, an ammonia water outlet pipe 14 is arranged at the lower end of the housing 1, and the first ammonia inlet pipe 11, the second ammonia inlet pipe 12, the absorption water inlet pipe 13 and the ammonia water outlet pipe 14 are all communicated with the shell-side flow channel 202; the lower side of the front end of the housing 1 is provided with a cooling water inlet pipe 15, the cooling water inlet pipe 15 extends into the lower part of the plate Cheng Liudao, the upper side of the front end of the housing 1 is provided with a cooling water outlet pipe 16, and the cooling water outlet pipe 16 extends into the upper part of the plate Cheng Liudao. When the invention works, ammonia gas enters the shell-side flow channel 202 from the left side and the right side along the first ammonia gas inlet pipe 11 and the second ammonia gas inlet pipe 12, because the ammonia gas is gas, the ammonia gas flows upwards, and simultaneously, absorption water flows into the shell-side flow channel 202 from top to bottom along the absorption water inlet pipe 13, the absorption water is directly mixed with the ammonia gas in the shell-side flow channel 202 in a rolling way, the mixing effect is good, the effect is extremely high, basically all the ammonia gas can be mixed to form ammonia water, the ammonia water flows out from the ammonia water outlet pipe 14, a great amount of heat is generated in the process of forming the ammonia water by rolling and mixing the absorption water with the ammonia gas in the shell-side flow channel 202, meanwhile, cooling water flows into the plate Cheng Liudao along the cooling water inlet pipe 15, and flows out from the cooling water outlet pipe 16, and a great amount of heat is exchanged with the ammonia water formed in the process of rolling and mixing the absorption water in the shell-side flow channel 202, so that the ammonia water is controlled to be stable, the purpose of outputting constant-temperature ammonia water is achieved, the cooling water can flow out from the cooling water outlet pipe 16 after heat exchange, the cooling water can be connected to the environmental protection equipment, the first ammonia gas inlet pipe 11 can be used, the efficiency of the ammonia gas inlet pipe can be greatly improved, and the second ammonia gas inlet pipe 11 can be used, and the efficiency of the ammonia gas can be greatly improved, and the efficiency can be used for the inlet and the ammonia gas can be used for the device and the inlet and the device can be used for the device and the device.
The outside of the absorption heat exchange core 2 is provided with a plurality of flow blocking plate modules 3, the flow blocking plate modules 3 can limit the flow direction of gas or liquid to ensure the mixing efficiency, and two ends of the flow blocking plate modules 3 are arranged between the first ammonia gas inlet pipe 11 and the absorption water inlet pipe 13, between the second ammonia gas inlet pipe 12 and the absorption water inlet pipe 13, between the first ammonia gas inlet pipe 11 and the ammonia water outlet pipe 14, or between the second ammonia gas inlet pipe 12 and the ammonia water outlet pipe 14, so that the ammonia gas flowing in along the first ammonia gas inlet pipe 11 and the second ammonia gas inlet pipe 12 can quickly flow into the shell side flow channel 202, and the direction of the absorption water flowing into the shell side flow channel 202 after flowing in along the absorption water inlet pipe 13 is limited.
The spoiler module 3 comprises an arc spoiler 31 fixedly coated on the outside of the absorption heat exchange core 2, a first U-shaped seat 32 and a second U-shaped seat 33 mounted at two ends of the arc spoiler 31, and a first U-shaped flow blocking frame 34 and a second U-shaped flow blocking frame 35 mounted on the first U-shaped seat 32 and the second U-shaped seat 33 respectively, wherein the upper ends of the first U-shaped flow blocking frame 34 and the second U-shaped flow blocking frame 35 are in contact with the inner wall of the shell 1 and form sealing connection, so that the tightness of the structure is ensured. Specifically, the upper ends of the first U-shaped flow blocking frame 34 and the second U-shaped flow blocking frame 35 are respectively provided with an elastic pressing piece 38, and the elastic pressing pieces 38 are in pressing contact with the inner wall of the shell 1, so that the tightness of the structure is ensured.
The lower end of the first U-shaped flow blocking frame 34 is installed in the first U-shaped seat 32, and at least one first gasket 36 is arranged between the lower end and the first U-shaped seat; the lower end of the second U-shaped flow blocking frame 35 is mounted in the second U-shaped seat 33, and at least one second gasket 37 is disposed therebetween, so as to ensure stability of the assembly structure.
The inner diameters of the first ammonia gas inlet pipe 11, the second ammonia gas inlet pipe 12, the cooling water inlet pipe 15 and the cooling water outlet pipe 16 are equal, the inner diameters of the absorption water inlet pipe 13 and the ammonia water outlet pipe 14 are equal, and the inner diameters of the first ammonia gas inlet pipe 11, the second ammonia gas inlet pipe 12, the cooling water inlet pipe 15 and the cooling water outlet pipe 16 are larger than the inner diameters of the absorption water inlet pipe 13 and the ammonia water outlet pipe 14.
The absorption heat exchange core 2 comprises a head plate 21, a tail plate 22 and a plate assembly 23 fixed between the head plate 21 and the tail plate 22, wherein the head plate 21 and the tail plate 22 are fixed with the shell, the plate assembly 23 comprises a plurality of plate groups 24 fixed together by welding, wherein the outer edges of the two plate groups 24 are fixed together, and a gap between the two plate groups 24 forms the plate Cheng Liudao 201; the plate set 24 comprises two plates 241 with the same structural size and fixed together by relative welding, the plates 241 are provided with a first round hole 2411 and a second round hole 2412, the front and back surfaces of the plates 241 are provided with corresponding protrusions and grooves, the protrusions of the first plates are in butt joint with the protrusions of the second plates, the first round holes 2411 and the second round holes 2412 of the two plates 241 are in one-to-one correspondence, the inner edges of the two first round holes are welded together, and the inner edges of the two second round holes are welded together, so that a shell side runner 202 is formed between a gap between the two plates 241 and the inner wall of the shell 1.
In summary, when the invention works, ammonia gas enters the shell-side runner 202 from the left side and the right side along the first ammonia gas inlet pipe 11 and the second ammonia gas inlet pipe 12, ammonia gas flows upwards, and at the same time, absorption water flows into the shell-side runner 202 from top to bottom along the absorption water inlet pipe 13, the absorption water is directly mixed with the ammonia gas in the shell-side runner 202 in a rolling way, the mixing effect is good, the effect is extremely high, all ammonia gas can be basically mixed to form ammonia water, the ammonia water flows out from the ammonia water outlet pipe 14, a large amount of heat is generated in the process of forming ammonia water by rolling mixing the absorption water with the ammonia gas in the shell-side runner 202, meanwhile, cooling water flows into the plate Cheng Liudao along the cooling water inlet pipe 15 and flows out from the cooling water outlet pipe 16, and a large amount of heat is generated in the process of rolling mixing the absorption water with the ammonia gas in the shell-side runner 202 when the cooling water is in the plate Cheng Liudao, so that the ammonia water is controlled to be stable, the purpose of outputting ammonia water with relatively high temperature after the cooling water flows out from the ammonia water outlet pipe 14, the ammonia water is formed into the ammonia water outlet pipe 16 after the heat exchange, the ammonia water is cooled water is discharged from the ammonia water outlet pipe and the ammonia water inlet pipe and the ammonia water is cooled, the energy-saving device is greatly improved, and the efficiency is improved, and the ammonia water inlet pipe is greatly can be used for the first and the ammonia water inlet pipe 11 and the ammonia water is discharged into the ammonia water inlet pipe and the device and has high efficiency and the water and can be greatly improved.
It is understood that the foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.
Claims (3)
1. An ammonia gas absorbing device, characterized in that: the heat exchange device comprises a shell (1) and an absorption heat exchange core (2) arranged in the shell (1), wherein a plate Cheng Liudao (201) is formed inside the absorption heat exchange core (2), a shell side flow channel (202) is formed between the outside of the absorption heat exchange core (2) and the inner wall of the shell (1), a first ammonia gas inlet pipe (11) and a second ammonia gas inlet pipe (12) for flowing in ammonia gas are respectively arranged on the left side and the right side of the shell (1), an absorption water inlet pipe (13) is arranged at the upper end of the shell (1), an ammonia water outlet pipe (14) is arranged at the lower end of the shell (1), and the first ammonia gas inlet pipe (11), the second ammonia gas inlet pipe (12), the absorption water inlet pipe (13) and the ammonia water outlet pipe (14) are all communicated with the shell side flow channel (202); a cooling water inlet pipe (15) is arranged at the lower side of the front end of the shell (1), the cooling water inlet pipe (15) stretches into the lower part of the plate Cheng Liudao (201), a cooling water outlet pipe (16) is arranged at the upper side of the front end of the shell (1), and the cooling water outlet pipe (16) stretches into the upper part of the plate Cheng Liudao (201); a plurality of flow blocking plate modules (3) are arranged outside the absorption heat exchange core (2), and two ends of the flow blocking plate modules (3) are arranged between a first ammonia gas inlet pipe (11) and an absorption water inlet pipe (13), or between a second ammonia gas inlet pipe (12) and the absorption water inlet pipe (13), or between the first ammonia gas inlet pipe (11) and an ammonia water outlet pipe (14), or between the second ammonia gas inlet pipe (12) and the ammonia water outlet pipe (14); the air blocking plate module (3) comprises an arc air blocking plate (31) fixedly coated on the outside of the absorption heat exchange core (2), a first U-shaped seat (32) and a second U-shaped seat (33) which are arranged at two ends of the arc air blocking plate (31), and a first U-shaped air blocking frame (34) and a second U-shaped air blocking frame (35) which are respectively arranged on the first U-shaped seat (32) and the second U-shaped seat (33), wherein the upper ends of the first U-shaped air blocking frame (34) and the second U-shaped air blocking frame (35) are contacted with the inner wall of the shell (1) and form sealing connection; the upper ends of the first U-shaped flow blocking frame (34) and the second U-shaped flow blocking frame (35) are respectively provided with an elastic pressing sheet (38), and the elastic pressing sheets (38) are in pressing contact with the inner wall of the shell (1); the lower end of the first U-shaped flow blocking frame (34) is arranged in the first U-shaped seat (32), and at least one first gasket (36) is arranged between the lower end of the first U-shaped flow blocking frame and the first U-shaped seat; the lower end of the second U-shaped flow blocking frame (35) is arranged in the second U-shaped seat (33), and at least one second gasket (37) is arranged between the second U-shaped flow blocking frame and the second U-shaped seat.
2. An ammonia gas absorbing device as defined in claim 1, wherein: the inner diameters of the first ammonia gas inlet pipe (11), the second ammonia gas inlet pipe (12), the cooling water inlet pipe (15) and the cooling water outlet pipe (16) are equal, the inner diameters of the absorption water inlet pipe (13) and the ammonia water outlet pipe (14) are equal, and the inner diameters of the first ammonia gas inlet pipe (11), the second ammonia gas inlet pipe (12), the cooling water inlet pipe (15) and the cooling water outlet pipe (16) are larger than the inner diameters of the absorption water inlet pipe (13) and the ammonia water outlet pipe (14).
3. An ammonia gas absorbing device as defined in claim 1, wherein: the absorption heat exchange core (2) comprises a head plate (21) and a tail plate (22) and a plate assembly (23) fixed between the head plate (21) and the tail plate (22), wherein the head plate (21) and the tail plate (22) are fixed with the shell, the plate assembly (23) comprises a plurality of plate groups (24) fixed together by welding, wherein the outer edges of the two plate groups (24) are fixed together, and a gap between the two plate groups (24) forms the plate Cheng Liudao (201); the plate group (24) comprises two plates (241) which are identical in structure size and are welded and fixed relatively, the plates (241) are provided with a first round hole (2411) and a second round hole (2412), the front surface and the back surface of each plate (241) are provided with corresponding protrusions and grooves, the protrusions of the first plates are in butt joint with the protrusions of the second plates, the first round holes (2411) and the second round holes (2412) of the two plates (241) are in one-to-one correspondence, the inner edges of the two first round holes are welded together, and the inner edges of the two second round holes are welded together, so that a shell side runner (202) is formed between a gap between the two plates (241) and the inner wall of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811243712.0A CN109200767B (en) | 2018-10-24 | 2018-10-24 | Ammonia gas absorbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811243712.0A CN109200767B (en) | 2018-10-24 | 2018-10-24 | Ammonia gas absorbing device |
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| Publication Number | Publication Date |
|---|---|
| CN109200767A CN109200767A (en) | 2019-01-15 |
| CN109200767B true CN109200767B (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811243712.0A Active CN109200767B (en) | 2018-10-24 | 2018-10-24 | Ammonia gas absorbing device |
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| CN (1) | CN109200767B (en) |
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| CN105621454A (en) * | 2016-02-25 | 2016-06-01 | 山东奥能电力科技有限公司 | Integrated liquid ammonia consumption and conversion device |
| CN209378736U (en) * | 2018-10-24 | 2019-09-13 | 东莞埃欧热能技术有限公司 | A kind of ammonia absorption device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115738604A (en) * | 2022-09-30 | 2023-03-07 | 南京国昌化工科技有限公司 | Absorption tower for preparing ammonia water from liquid ammonia and process thereof |
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2018
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003251134A (en) * | 2002-03-06 | 2003-09-09 | Chubu Chemical Kk | Ammonia absorption apparatus and ammonia absorption method used for the same |
| CN202599164U (en) * | 2012-04-01 | 2012-12-12 | 东莞埃欧热能技术有限公司 | Heat exchanger |
| CN103331076A (en) * | 2012-08-06 | 2013-10-02 | 河南省中原大化集团有限责任公司 | A mass and heat transfer device combining an absorbing tower and a heat exchanger and a preparation method of the mass and heat transfer device |
| CN203657565U (en) * | 2013-12-13 | 2014-06-18 | 东莞埃欧热能技术有限公司 | Gas-liquid separation heat exchanger |
| CN105621454A (en) * | 2016-02-25 | 2016-06-01 | 山东奥能电力科技有限公司 | Integrated liquid ammonia consumption and conversion device |
| CN209378736U (en) * | 2018-10-24 | 2019-09-13 | 东莞埃欧热能技术有限公司 | A kind of ammonia absorption device |
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| CN109200767A (en) | 2019-01-15 |
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