CN213725651U - Ammonia removal device of hydrogen recovery system - Google Patents
Ammonia removal device of hydrogen recovery system Download PDFInfo
- Publication number
- CN213725651U CN213725651U CN202022264659.1U CN202022264659U CN213725651U CN 213725651 U CN213725651 U CN 213725651U CN 202022264659 U CN202022264659 U CN 202022264659U CN 213725651 U CN213725651 U CN 213725651U
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- Prior art keywords
- water
- filter screen
- ammonia
- gas
- barrel
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 39
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 239000001257 hydrogen Substances 0.000 title claims abstract description 12
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 12
- 238000011084 recovery Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000007789 gas Substances 0.000 claims abstract description 38
- 239000007921 spray Substances 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims abstract description 3
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 11
- 239000006185 dispersion Substances 0.000 abstract description 6
- 239000008398 formation water Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 description 8
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 description 4
- 150000003863 ammonium salts Chemical class 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003421 catalytic decomposition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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- Gas Separation By Absorption (AREA)
- Cyclones (AREA)
Abstract
The utility model is suitable for a gaseous absorption field provides hydrogen recovery system removes ammonia device, including barrel, cyclone, water intake system, effluent system, gas circulation system, go up filter screen and lower filter screen, cyclone includes solid fixed ring and air inlet, and water intake system includes intake pump, first governing valve, water inlet and spray set, and effluent system includes delivery port and second governing valve, and gas circulation system includes gas outlet, ammonia concentration check out test set and each governing valve. The cyclone generator can generate cyclone for the gas entering the cylinder body, so that the gas dispersion degree is increased, and the water and the gas can be better mixed, thereby improving the absorption efficiency of the water to the ammonia gas; spray set, go up filter screen and filter screen combination down, make the water distribution that gets into the barrel more even, and at last filter screen and filter screen surface formation water film down, thereby it is absorbed by the water film on last filter screen and the lower filter screen in the air current rises the in-process by the absorption of ammonia to improve absorption efficiency.
Description
Technical Field
The utility model belongs to the gas absorption field especially relates to hydrogen recovery system removes ammonia device.
Background
Ammonia gas is a colorless gas with strong pungent smell, is very soluble in water, is easy to react with water to generate ammonium monohydrate when dissolved in water, and is commonly used as a refrigerant in industry and for preparing alkali, ammonium salt, chemical fertilizer and the like.
At present, the ammonia absorption technology mainly comprises the following steps: catalytic decomposition, chemical absorption, physical absorption, etc., but these techniques all have different limitations. For example, the catalytic decomposition method decomposes ammonia gas into hydrogen and nitrogen gas using a nickel-based catalyst under high temperature conditions, but this method requires heating ammonia gas to 800 ℃ or higher, and consumes a large amount of energy. The chemical absorption method is characterized in that ammonia gas and acid react to generate ammonium salt so as to achieve the purpose of absorbing the ammonia gas, the ammonium salt generated by the method is easy to crystallize, so that pipeline blockage is gradually caused, and a suck-back phenomenon is easily formed in the reaction process of the ammonia and the acid, so that the requirement on equipment pressure balance is high. The physical absorption method is characterized in that ammonia gas is mixed with water to generate ammonia water by utilizing the characteristic that the ammonia gas is very easy to be dissolved in water, and the ammonia water is purified and condensed to generate liquid ammonia for use. The dispersion degree of the ammonia greatly influences the efficiency of dissolving the ammonia in water. The equipment used by the physical absorption method in the industry at present has the problems of insufficient ammonia gas dispersion degree and insufficient mixing of ammonia gas and water, which results in low ammonia removal efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hydrogen recovery system removes ammonia device aims at solving the equipment that physical absorption method used in the present industry and has the ammonia dispersion degree not enough and ammonia and water mix inadequately, leads to removing the lower problem of ammonia efficiency.
The utility model is realized in such a way, the ammonia removal device of the hydrogen recovery system comprises a cylinder body, a cyclone generator, a water inlet system, a water outlet system, a gas circulation system, an upper filter screen and a lower filter screen, wherein the cyclone generator comprises a fixing ring and an air inlet, the cyclone generator is arranged at the lower part of the cylinder body, the water inlet system comprises a water inlet pump, a first regulating valve, a water inlet and a spray device which are sequentially communicated, the water inlet is arranged at one side of the upper part of the cylinder body, the water inlet pump is connected with the water inlet through the first regulating valve, the spray device is arranged inside the cylinder body, the water outlet system comprises a water outlet and a second regulating valve which are sequentially connected, the water outlet is arranged at the bottom of the cylinder body, the gas circulation system comprises a gas outlet, a third regulating valve, ammonia concentration detection equipment, and a fourth regulating valve and a fifth regulating valve which are arranged on two paths behind the ammonia concentration detection equipment, the air outlet is arranged at the top of the cylinder body.
Furthermore, the fixing ring and the cylinder are connected in a welding mode.
Furthermore, the air inlet with the barrel cavity communicates with each other, the air inlet is totally five, is central symmetry distribution, the air inlet with gu fixed ring is tangent, and the downward sloping forms 30 contained angles with the horizontal plane.
Furthermore, the spraying device is composed of a water distribution pipeline and a plurality of spraying heads which are regularly arranged.
Furthermore, the upper filter screen and the lower filter screen are both provided with regularly and densely distributed filter holes.
Furthermore, the upper filter screen and the lower filter screen are made of plastic materials.
About implementing the utility model discloses a beneficial technological effect does: the cyclone generator generates cyclone for the gas entering the cylinder to increase the gas dispersion degree, so that water and the gas can be better mixed, and the absorption efficiency of the water to ammonia gas is improved; due to the combination of the spraying device, the upper filter screen and the lower filter screen, water entering the cylinder is distributed more uniformly, water films are formed on the surfaces of the upper filter screen and the lower filter screen, and ammonia which is not absorbed is absorbed by the water films on the upper filter screen and the lower filter screen in the air flow rising process, so that the absorption efficiency is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the cyclone generator of the present invention;
fig. 3 is a schematic view of the upper filter screen structure of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that the cyclone generator 2, the shower head 342, the ammonia concentration detection device 53 and the water pump 31 are prior art, and are common general knowledge of those skilled in the art, and are not described herein again.
Referring to fig. 1-3, the utility model discloses a hydrogen recovery system removes ammonia device, including barrel 1, cyclone 2, water intake system 3, water outlet system 4, gas circulation system 5, go up filter screen 6 and lower filter screen 7, cyclone 2 includes solid fixed ring 21 and air inlet 22, cyclone 2 sets up in barrel 1 lower part, water intake system 3 is including the intake pump 31 that communicates in proper order, first governing valve 32, water inlet 33 and spray set 34, water inlet 33 sets up in barrel 1 upper portion one side, intake pump 31 is connected through first governing valve 32 with water inlet 33, spray set 34 installs inside barrel 1, water outlet system 4 is including the delivery port 41 and the second governing valve 42 that connect gradually, delivery port 41 sets up in barrel 1 bottom, gas circulation system 5 is including the gas outlet 51 that connects gradually, third governing valve 52, ammonia concentration check out test set 53 and install fourth governing valve 54 on two routes behind ammonia concentration check out test set 53 And a fifth regulating valve 55, the air outlet 51 is arranged at the top of the cylinder 1.
The fixing ring 21 is welded to the cylinder 1, so that the fixing ring is firmly connected to the cylinder and reinforces the cylinder.
The air inlets 22 are communicated with the cavity in the cylinder body 1, the five air inlets 22 are distributed in central symmetry, the air inlets 22 are tangent to the fixed ring 21 and incline downwards to form an included angle of 30 degrees with the horizontal plane, so that the gas entering the cylinder body can generate circumferential tangential force and move upwards to form cyclone.
The spraying device 34 is composed of a water diversion pipeline 341 and a plurality of spraying heads 342 which are regularly arranged.
Regular and densely distributed filter holes 8 are formed in the upper filter screen 6 and the lower filter screen 7, so that water can fall uniformly and water films are formed on the surfaces of the upper filter screen 6 and the lower filter screen 7.
The upper filter screen 6 and the lower filter screen 7 are made of plastic materials, but not metal materials, so that the influence of impurities such as rust generated by the long-time contact of the upper filter screen 6 and the lower filter screen 7 with water on the ammonia removal efficiency and the blockage of pipelines can be prevented.
The utility model discloses a theory of operation does: the water passes through the water pump 31, sequentially passes through the first regulating valve 32, the water inlet 33 and the spraying device 34, is uniformly distributed by a water distribution pipeline 341 and each spraying head 342 in the spraying device 34 and then falls down, water films are sequentially formed on the surfaces of the upper filter screen 6 and the lower filter screen 7, the water which does not form the water films continuously falls down and is mixed with the gas in the cavity, ammonia gas in the gas is absorbed to form ammonia water, and the ammonia water is discharged through the water outlet 41 and the second regulating valve 42; the mixed gas is connected to each gas inlet 22, the mixed gas forms cyclone in the cylinder 1 through the cyclone generator 2 and fully contacts with water, ammonia in the mixed gas is absorbed, other gases continue to move upwards, the unabsorbed ammonia is sequentially absorbed by the surface water films of the lower filter screen and the upper filter screen, the obtained gas sequentially passes through the gas outlet 51, the third regulating valve 52 and the ammonia concentration detection equipment 53 arranged on the cylinder 1, if the ammonia content in the gas reaches the standard, the gas enters the next flow through the fourth regulating valve 54, if the ammonia content is still high, the gas enters the cylinder 1 again through the fifth regulating valve 55 for purification, and the gas enters the next flow through the fourth regulating valve 54 after the ammonia content reaches the standard.
About implementing the utility model discloses a beneficial technological effect does: the gas entering the cylinder 1 generates cyclone through the cyclone generator 2, so that the gas dispersion degree is increased, water and the gas can be better mixed, and the absorption degree of the water to ammonia gas is improved; spray set 34, upper screen 6 and lower filter screen 7 combination make the water distribution that gets into barrel 1 more even, and form the water film on upper screen 6 and lower filter screen 7 surface, thereby it is absorbed by the water film on upper screen 6 and lower filter screen 7 in the air current rises the in-process by the absorption efficiency to not absorbed ammonia.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. Ammonia removal device of hydrogen recovery system, including barrel (1), cyclone generator (2), water intake system (3), play water system (4), gas circulation system (5), go up filter screen (6) and lower filter screen (7), its characterized in that, cyclone generator (2) are including solid fixed ring (21) and air inlet (22), cyclone generator (2) set up in barrel (1) lower part, water intake system (3) are including intake pump (31), first governing valve (32), water inlet (33) and spray set (34) that communicate in proper order, water inlet (33) set up in barrel (1) upper portion one side, intake pump (31) with water inlet (33) pass through first governing valve (32) are connected, spray set (34) are installed inside barrel (1), play water system (4) including delivery port (41) and the second governing valve (42) that connect gradually, the water outlet (41) is arranged at the bottom of the barrel body (1), the gas circulation system (5) comprises a gas outlet (51), a third regulating valve (52), ammonia concentration detection equipment (53) and a fourth regulating valve (54) and a fifth regulating valve (55) which are arranged on two paths behind the ammonia concentration detection equipment (53) and are sequentially connected, and the gas outlet (51) is arranged at the top of the barrel body (1).
2. The ammonia removal device of the hydrogen recovery system according to claim 1, wherein the fixing ring (21) is connected to the cylinder (1) by welding.
3. The ammonia removal device of the hydrogen recovery system according to claim 1, wherein the air inlets (22) are communicated with the cavity in the cylinder (1), the number of the air inlets (22) is five, the air inlets are distributed in a central symmetry manner, the air inlets (22) are tangent to the fixing ring (21), and the downward inclination forms an included angle of 30 degrees with the horizontal plane.
4. The ammonia removal device of the hydrogen recovery system according to claim 1, wherein the spray device (34) is composed of a water diversion pipeline (341) and a plurality of spray headers (342) which are regularly arranged.
5. The ammonia removal device of claim 1, wherein the upper filter screen (6) and the lower filter screen (7) are provided with regularly and densely distributed filter holes (8).
6. The ammonia removal device of claim 1, wherein the upper screen (6) and the lower screen (7) are made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022264659.1U CN213725651U (en) | 2020-10-13 | 2020-10-13 | Ammonia removal device of hydrogen recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022264659.1U CN213725651U (en) | 2020-10-13 | 2020-10-13 | Ammonia removal device of hydrogen recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213725651U true CN213725651U (en) | 2021-07-20 |
Family
ID=76849265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022264659.1U Active CN213725651U (en) | 2020-10-13 | 2020-10-13 | Ammonia removal device of hydrogen recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213725651U (en) |
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2020
- 2020-10-13 CN CN202022264659.1U patent/CN213725651U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231018 Address after: Room 501, North Building, Guangxia Building, No. 576 Jiahe Road, Torch Garden, Torch High tech Zone, Xiamen City, Fujian Province, 361000 Patentee after: Xiamen Yisheng Technology Co.,Ltd. Address before: Room 501b, North building, Guangxia building, torch hi tech Zone, Xiamen City, Fujian Province, 361000 Patentee before: Jineng new material (Xiamen) Co.,Ltd. |