CN219942387U - Ultralow temperature denitration device - Google Patents
Ultralow temperature denitration device Download PDFInfo
- Publication number
- CN219942387U CN219942387U CN202321221064.5U CN202321221064U CN219942387U CN 219942387 U CN219942387 U CN 219942387U CN 202321221064 U CN202321221064 U CN 202321221064U CN 219942387 U CN219942387 U CN 219942387U
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- China
- Prior art keywords
- pipe
- fixedly connected
- shell
- gas
- collecting pipe
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- 239000012535 impurity Substances 0.000 claims abstract description 21
- 238000009423 ventilation Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000004927 fusion Effects 0.000 claims description 9
- 230000003197 catalytic effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 abstract description 50
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000003054 catalyst Substances 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000002508 compound effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model discloses ultralow-temperature denitration equipment, which comprises a shell, wherein the bottom of the shell is fixedly connected with a base through a bolt, one side of the shell is inserted with a material changing pipe, one side of the shell is fixedly connected with a fixing plate through a bolt, the upper surface of the fixing plate is provided with a impurity removing device, one side of the shell is provided with a ventilation device, the inside of the shell is provided with a collecting device, and the top and the bottom of the shell are respectively provided with an air inlet and an air outlet. When the denitration device is used, the electromagnetic valve on the gas collecting pipe is opened, gas in the shell enters the collecting pipe, the electromagnetic valve on the gas collecting pipe is closed, the gas in the collecting pipe is blown to the other end of the collecting pipe through the stroke piston by starting the air pump, the stroke piston generates a signal by touching the stroke switch, the air pump is closed, the gas is collected into the collecting device through the collecting pipe, the gas component is detected, the oxygen concentration is controlled through detecting gas data, and the denitration reaction efficiency is kept stable.
Description
Technical Field
The utility model relates to the technical field of denitration equipment, in particular to ultralow-temperature denitration equipment.
Background
The core of the ultralow temperature denitration technology is a novel denitration catalyst suitable for low-temperature, medium-low-sulfur environments, and the technology of the domestic ultralow temperature denitration technology is just started. The catalyst has the advantages of solving the problem of sulfuric acid poisoning resistance, controlling the oxidation rate of sulfur oxides through the compound effect of various noble metals, accelerating the decomposition rate of generated ammonium bisulfate, reducing the accumulated generation amount of ammonium bisulfate, controlling the single-layer sulfur conversion of the catalyst to be within 0.3 percent, and greatly reducing the poisoning capability of the catalyst at low temperature.
The ultralow temperature SCR denitration technology has denitration efficiency of 80% -95%, and can be applied to 130-420 ℃, and the low temperature SCR technology is 0 2 And a reducing agent NH in the presence of a catalyst at a temperature in the range of 120-300 DEG C 3 Reduction of NOx in flue gas to N 2 And H 2 O, when general low temperature denitration equipment is in use, can not adjust the internal oxygen concentration according to the concentration of nitrogen oxides in the casing for denitration efficiency is unstable, can not satisfy actual demand.
Disclosure of Invention
The utility model aims to solve the defects that the existing common low-temperature denitration equipment in the prior art cannot adjust the concentration of oxygen in a shell according to the concentration of nitrogen oxides in the shell so as to make denitration efficiency unstable.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an ultra-low temperature denitration equipment, includes the casing, the bottom of casing is through bolt fixedly connected with base, peg graft in one side of casing has the feed tube, one side of casing is through bolt fixedly connected with fixed plate, the last surface mounting of fixed plate has edulcoration device, breather is installed to one side of casing, the internally mounted of casing has collection device, air inlet and gas outlet have been seted up respectively to the top and the bottom of casing.
As a still further scheme of the utility model, the impurity removing device comprises an impurity removing box, an air duct, a water inlet pipe, a fusion net, a water outlet pipe, a purifying cylinder and a discharge pipe, wherein the upper surface of the fixing plate is fixedly connected with the impurity removing box through bolts, the purifying cylinder is fixedly connected to the inner wall of the bottom of the impurity removing box through bolts, the top of the purifying cylinder is respectively inserted and connected with the air duct, the water inlet pipe and the discharge pipe in a penetrating way, one end of the air duct is sheathed and connected with the fusion net, and the water outlet pipe is inserted and connected to the bottom of the impurity removing box in a penetrating way.
As a still further scheme of the utility model, the ventilation device comprises a first connecting pipe, an air suction pipe, an air pump and a second connecting pipe, wherein one side of the shell is fixedly connected with a mounting plate through bolts, the upper surface of the mounting plate is fixedly connected with the air pump through bolts, and one side of the air pump is respectively inserted into the first connecting pipe, the air suction pipe and the second connecting pipe in a penetrating way.
As a still further scheme of the utility model, the collecting device comprises a collecting pipe, a travel piston, a gas collecting pipe, travel switches, a gas inlet pipe and a collecting pipe, wherein the collecting pipe is fixedly connected to the inner wall of the shell through bolts, the travel piston is movably connected to the inside of the collecting pipe, a plurality of gas collecting pipes penetrate and are connected to the outer wall of the inner side of the collecting pipe in a penetrating mode, two travel switches are fixedly connected to the inner wall of the collecting pipe through bolts, and the gas inlet pipe and the collecting pipe penetrate and are connected to one side of the outer wall of the collecting pipe in a penetrating mode respectively.
As still further scheme of the utility model, the inner wall of the shell is fixedly connected with a catalytic plate through bolts, and a plurality of ventilation holes are formed in the surface of the catalytic plate.
As still further scheme of the utility model, one end of the material changing pipe is connected with a sealing cover in a threaded manner, and the outer wall of the sealing cover is fixedly connected with a handle through a bolt.
As a still further proposal of the utility model, one side of the stroke piston is fixedly connected with a rubber block through a bolt.
The beneficial effects of the utility model are as follows:
1. when the denitration device is used, the collecting pipe is connected with the collecting equipment, the air inlet and the air outlet of the shell are respectively connected with the air inlet equipment and the air outlet equipment, when the denitration reaction occurs in the shell, the electromagnetic valve on the gas collecting pipe is opened, gas inside the shell enters the collecting pipe, the electromagnetic valve on the gas collecting pipe is closed, the air pump is started to blow air through the second connecting pipe, the gas inside the collecting pipe is blown to the other end of the collecting pipe through the travel piston, the travel piston generates a signal through touching the travel switch, the air pump is closed, the air pump is collected into the collecting device through the collecting pipe, the gas components are detected, the oxygen concentration is controlled through detecting gas data, and the denitration reaction efficiency is kept stable.
2. Opening the air pump and the electromagnetic valve on the air inlet pipe, sucking air through the air inlet pipe and the first connecting pipe, sucking out residual gas in the collecting pipe, and preventing the residual gas in the collecting pipe from affecting the accuracy of the next gas sampling detection.
3. The gas is discharged into the purifying cylinder through the gas guide pipe, the gas is fully contacted with the internal solution through the fusion net, the impurity removing solution in the purifying cylinder removes impurities from the gas, the gas is discharged through the discharge pipe, the waste pollution is reduced, and the environment is purified.
Drawings
FIG. 1 is a schematic diagram of a front view structure of an ultralow temperature denitration device according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a housing and a collection tube of an ultra-low temperature denitration device according to the present utility model;
FIG. 3 is an enlarged schematic view of the A point structure of the ultra-low temperature denitration device provided by the utility model;
fig. 4 is a schematic diagram of a B-point enlarged structure of an ultralow temperature denitration device according to the present utility model.
In the figure: 1. a housing; 2. a base; 3. exchanging a material pipe; 4. a impurity removing box; 5. a fixing plate; 6. a collection pipe; 7. a catalytic plate; 8. a handle; 9. a stroke piston; 10. a gas collecting tube; 11. a rubber block; 12. a travel switch; 13. an air inlet pipe; 14. a collection tube; 15. a first connection pipe; 16. an air suction pipe; 17. an air pump; 18. an air duct; 19. a water inlet pipe; 20. a fusion network; 21. a water outlet pipe; 22. a purifying cylinder; 23. a discharge pipe; 24. ventilation holes; 25. and a second connection pipe.
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. It should be noted that the terms "mounted," "connected," and "disposed" are to be construed broadly, unless explicitly stated or defined otherwise, and that the particular meaning of such terms in this patent will be understood by those of ordinary skill in the art, as appropriate.
Referring to fig. 1-4, an ultralow temperature denitration device comprises a shell 1, the bottom of the shell 1 is fixedly connected with a base 2 through bolts, mounting holes are formed in the base 2, a material changing pipe 3 is inserted on one side of the shell 1, the material changing pipe 3 is used for changing catalysts in the shell 1, a fixing plate 5 is fixedly connected with one side of the shell 1 through bolts, a impurity removing device is mounted on the upper surface of the fixing plate 5, a ventilation device is mounted on one side of the shell 1, a collecting device is mounted in the interior of the shell 1, an air inlet and an air outlet are respectively formed in the top and the bottom of the shell 1, the impurity removing device comprises an impurity removing box 4, an air duct 18, an air inlet pipe 19, a fusion net 20, an air outlet pipe 21, a purifying cylinder 22 and an exhaust pipe 23, the upper surface of the fixing plate 5 is fixedly connected with the impurity removing box 4 through bolts, a purifying cylinder 22 is fixedly connected on the inner wall of the bottom of the impurity removing box 4, impurity removing solutions are respectively inserted into the top of the purifying cylinder 22, the air duct 18, the air inlet pipe 19 and the exhaust pipe 23 are respectively inserted into one end of the air duct 18, the fusion net 20 is sleeved with the air duct 20, and the air duct 20 can be fully contacted with the air duct 18 and the air inlet pipe 21 and the air outlet pipe 21, and the air outlet pipe 21 are fully inserted into the air duct through the air duct and the air duct 21.
According to the utility model, the ventilation device comprises a first connecting pipe 15, an air suction pipe 16, an air pump 17 and a second connecting pipe 25, one side of a shell 1 is fixedly connected with a mounting plate through bolts, the upper surface of the mounting plate is fixedly connected with the air pump 17 through bolts, one side of the air pump 17 is respectively inserted and connected with the first connecting pipe 15, the air suction pipe 16 and the second connecting pipe 25 in a penetrating manner, the first connecting pipe 15 and the second connecting pipe 25 penetrate through the shell 1, the collection device comprises a collection pipe 6, a travel piston 9, a gas collecting pipe 10, a travel switch 12, a gas inlet pipe 13 and a collection pipe 14, the inner wall of the shell 1 is fixedly connected with the collection pipe 6 through bolts, a guide rail is arranged on the inner wall of the collection pipe 6, the travel piston 9 is movably connected with the interior of the collection pipe 6, the travel piston 9 is annular, a brush is arranged in the interior of the collection pipe, the contact area with gas is increased, the resistance of the air flow is increased, a plurality of gas collecting pipes 10 are inserted and connected with the inner wall of the collection pipe 6 through bolts, one side of the outer wall of the collection pipe 6 is respectively inserted and connected with the gas inlet pipe 13 and the collection pipe 14, the gas inlet pipe 13 and the collection pipe 14 penetrate through the shell 1, the inner wall of the collection pipe 13 and the electromagnetic valve 25 are arranged on the inner wall of the collection pipe 13 and the collection pipe 14.
In particular, the inner wall of the shell 1 is fixedly connected with the catalytic plate 7 through bolts, the surface of the catalytic plate 7 is provided with a plurality of ventilation holes 24, one end of the refueling pipe 3 is in threaded connection with a sealing cover, the outer wall of the sealing cover is fixedly connected with the handle 8 through bolts, the handle 8 is convenient for opening and closing the sealing cover, one side of the stroke piston 9 is fixedly connected with the rubber block 11 through bolts, and the rubber block 11 plays a role in buffering.
Working principle: when the denitration reaction takes place in the shell 1, the electromagnetic valve on the gas collecting pipe 10 is opened, gas inside the shell 1 enters the collecting pipe 6, the electromagnetic valve on the gas collecting pipe 10 is closed, the gas pump 17 is started, the gas inside the collecting pipe 6 is blown to the other end of the collecting pipe 6 through the travel piston 9 by blowing through the second connecting pipe 25, the travel piston 9 generates a signal by touching the travel switch 12, the gas pump 17 is closed, the gas components are collected into the collecting device through the collecting pipe 14, the gas data are detected, the oxygen concentration is controlled, the denitration reaction efficiency is kept stable, the electromagnetic valves on the gas pump 17 and the gas inlet pipe 13 are opened, the gas is sucked through the gas inlet pipe 13 and the first connecting pipe 15, the residual gas inside the collecting pipe 6 is sucked out, the gas is discharged into the purifying cylinder 22 through the gas guide pipe 18, the gas is fully contacted with the internal solution through the fusion network 20, the impurity removing solution in the purifying cylinder 22 is purified, the gas is discharged through the discharging pipe 23, the waste pollution is reduced, and the environment is purified.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides an ultra-low temperature denitration device, includes casing (1), its characterized in that, the bottom fixedly connected with base (2) of casing (1), peg graft in one side of casing (1) has feed tube (3), one side fixedly connected with fixed plate (5) of casing (1), the last surface mounting of fixed plate (5) has edulcoration device, breather is installed to one side of casing (1), the internally mounted of casing (1) has collection device, air inlet and gas outlet have been seted up respectively to the top and the bottom of casing (1).
2. The ultralow temperature denitration device according to claim 1, wherein the impurity removing device comprises an impurity removing box (4), an air duct (18), a water inlet pipe (19), a fusion net (20), a water outlet pipe (21), a purifying cylinder (22) and a discharge pipe (23), the impurity removing box (4) is fixedly connected to the upper surface of the fixing plate (5), the purifying cylinder (22) is fixedly connected to the inner wall of the bottom of the impurity removing box (4), the top of the purifying cylinder (22) is respectively inserted through the air duct (18), the water inlet pipe (19) and the discharge pipe (23), one end of the air duct (18) is sleeved with the fusion net (20), and the water outlet pipe (21) is inserted through the bottom of the impurity removing box (4).
3. An ultralow temperature denitration device according to claim 1, wherein the ventilation device comprises a first connecting pipe (15), an air suction pipe (16), an air pump (17) and a second connecting pipe (25), one side of the shell (1) is fixedly connected with a mounting plate, the upper surface of the mounting plate is fixedly connected with the air pump (17), and one side of the air pump (17) is respectively inserted into the first connecting pipe (15), the air suction pipe (16) and the second connecting pipe (25).
4. The ultralow temperature denitration device according to claim 1, wherein the collecting device comprises a collecting pipe (6), a travel piston (9), a gas collecting pipe (10), a travel switch (12), an air inlet pipe (13) and a collecting pipe (14), the collecting pipe (6) is fixedly connected to the inner wall of the shell (1), the travel piston (9) is slidingly connected to the inside of the collecting pipe (6), a plurality of gas collecting pipes (10) are inserted through the inner wall and the outer wall of the collecting pipe (6), two travel switches (12) are fixedly connected to the inner wall of the collecting pipe (6), and the air inlet pipe (13) and the collecting pipe (14) are inserted through and connected to one side of the outer wall of the collecting pipe (6).
5. The ultralow temperature denitration device according to claim 1, wherein a catalytic plate (7) is fixedly connected to the inner wall of the shell (1), and a plurality of ventilation holes (24) are formed in the surface of the catalytic plate (7).
6. The ultralow temperature denitration device according to claim 1, wherein one end of the refueling pipe (3) is in threaded connection with a sealing cover, and a handle (8) is fixedly connected to the outer wall of the sealing cover.
7. The ultralow temperature denitration device according to claim 4, wherein a rubber block (11) is fixedly connected to one side of the stroke piston (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321221064.5U CN219942387U (en) | 2023-05-19 | 2023-05-19 | Ultralow temperature denitration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321221064.5U CN219942387U (en) | 2023-05-19 | 2023-05-19 | Ultralow temperature denitration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219942387U true CN219942387U (en) | 2023-11-03 |
Family
ID=88540460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321221064.5U Active CN219942387U (en) | 2023-05-19 | 2023-05-19 | Ultralow temperature denitration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219942387U (en) |
-
2023
- 2023-05-19 CN CN202321221064.5U patent/CN219942387U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |