CN220878385U - Cogeneration flue gas denitrification facility based on liquid ammonia safety replacement - Google Patents
Cogeneration flue gas denitrification facility based on liquid ammonia safety replacement Download PDFInfo
- Publication number
- CN220878385U CN220878385U CN202322643170.9U CN202322643170U CN220878385U CN 220878385 U CN220878385 U CN 220878385U CN 202322643170 U CN202322643170 U CN 202322643170U CN 220878385 U CN220878385 U CN 220878385U
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- CN
- China
- Prior art keywords
- flue gas
- liquid ammonia
- device body
- storage box
- cogeneration
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000003546 flue gas Substances 0.000 title claims abstract description 33
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000003756 stirring Methods 0.000 claims abstract description 29
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 11
- 238000006467 substitution reaction Methods 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 abstract description 10
- 229910021529 ammonia Inorganic materials 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 235000019504 cigarettes Nutrition 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 9
- 239000012535 impurity Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Abstract
The utility model relates to the technical field of liquid ammonia flue gas denitration, in particular to a heat and power cogeneration flue gas denitration device based on liquid ammonia safe substitution, which comprises: the device body, the filter chamber has been seted up in the device body, one side of filter chamber is provided with into the cigarette mouth, advance the cigarette mouth and remove and be connected with the dust bag, install on the top of filter chamber and store the box, one side of storing the box is provided with automatically controlled shower nozzle, the check valve is installed in the outside of automatically controlled shower nozzle, one side of check valve is connected with the stirring piece, the control by temperature change piece is installed in the outside of stirring piece. The utility model reduces the influence of pollutants on the catalyst during denitration, reduces the possibility of ammonia escaping, improves the filtering and cleaning effects of the device, can reduce the influence of the pollutants on the catalyst, improves the mixing effect of the device, ensures that ammonia is uniformly sprayed into the flue gas by using a proper spraying system, ensures that the mixing process is carried out at a certain temperature, and ensures the activity of the catalyst.
Description
Technical Field
The utility model relates to the technical field of liquid ammonia flue gas denitration, in particular to a heat and power cogeneration flue gas denitration device based on liquid ammonia safe substitution.
Background
Liquid ammonia is widely used as a safety substitute for cogeneration in the energy field. Cogeneration, also known as cogeneration or cogeneration, is an energy utilization method that increases energy efficiency by simultaneously generating electricity and utilizing waste heat, and flue gas denitration in a cogeneration system refers to a process of removing nitrogen oxides from the exhaust gas produced by combustion.
Currently, ammonia is an important reagent for catalytic reduction in ammonia denitration. However, ammonia gas may escape due to uneven mixing during use, so that the cost and the influence on the environment are increased, and the catalyst may be polluted by other compounds or particles in the flue gas during denitration, so that the catalyst is deactivated, and therefore, a cogeneration flue gas denitration device based on the safe substitution of liquid ammonia is provided.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a cogeneration flue gas denitration device based on the safe substitution of liquid ammonia, which overcomes the defects of the prior art and aims at solving the problems in the background art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a cogeneration flue gas denitrification facility based on liquid ammonia safety replacement, includes the device body, the filter chamber has been seted up in the device body, one side of filter chamber is provided with into the mouth of cigarette, advance the mouth of cigarette and remove and be connected with the dust bag, install the storage box on the top of filter chamber, one side of storage box is provided with automatically controlled shower nozzle, the check valve is installed in the outside of automatically controlled shower nozzle, one side of check valve is connected with the stirring piece, the control by temperature change piece is installed in the outside of stirring piece.
Preferably, the filter cavity is positioned at the bottom end of the device body, the smoke inlet is formed in the bottom surface of the device body, and the dust removing bag is limited in the smoke inlet.
Preferably, the storage box is mounted on the inner side of the device body, a liquid inlet is formed in one side of the storage box, and an external pipeline is connected to the liquid inlet.
Preferably, the storage box is circular, a mixing cavity is arranged in the storage box, the electric control spray head is installed in the mixing cavity, the electric control spray head is communicated with the storage box, and the top end and the bottom end of the electric control spray head are both provided with one-way valves.
Preferably, a stirring cavity is formed in the top end of the device body, a rotating rod is connected between the inner walls of the stirring cavity in a rotating mode, and the stirring sheet is fixed on the outer surface of the rotating rod.
Preferably, the temperature control block is provided with a plurality of, all installs on the inner wall in stirring chamber, install the electric wire on the device body, the electric wire with be electric connection between the temperature control block, the gas outlet has been seted up on the top in stirring chamber, threaded connection has the filter core on the gas outlet.
The beneficial effects of the utility model are as follows:
According to the utility model, impurities can be filtered on the flue gas through the dust removal bag, the mixing of the flue gas can be completed through the electric control spray head, the flue gas can be placed to return through the one-way valve, the catalyst and the flue gas can be stirred through the stirring sheet to enable the catalyst and the flue gas to react more fully, and the temperature of the reaction area can be controlled through the temperature control block.
The utility model reduces the influence of pollutants on the catalyst during denitration, reduces the possibility of ammonia escaping, improves the filtering and cleaning effects of the device, can reduce the influence of the pollutants on the catalyst, improves the mixing effect of the device, ensures that ammonia is uniformly sprayed into the flue gas by using a proper spraying system, ensures that the mixing process is carried out at a certain temperature, and ensures the activity of the catalyst.
Drawings
Fig. 1 is a schematic structural diagram of a cogeneration flue gas denitration device based on liquid ammonia safety substitution;
fig. 2 is a schematic diagram of the structure of the combined heat and power generation flue gas denitration device based on the liquid ammonia safety substitution.
In the figure: 1. a device body; 2. a filter element; 3. an electrical wire; 4. a liquid inlet; 5. a filter chamber; 6. a smoke inlet; 7. a dust removal bag; 8. a one-way valve; 9. an electric control spray head; 10. a mixing chamber; 11. a storage box; 12. a rotating rod; 13. a temperature control block; 14. stirring sheets; 15. stirring cavity.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
Referring to fig. 1-2, a cogeneration flue gas denitration device based on liquid ammonia safety replacement comprises a device body 1, a filter cavity 5 is formed in the device body 1, the filter cavity 5 is positioned at the bottom end of the device body 1, a flue inlet 6 is formed in the bottom surface of the device body 1, a dust removal bag 7 is limited in the flue inlet 6, a flue inlet 6 is formed in one side of the filter cavity 5, the dust removal bag 7 is connected in the flue inlet 6 in a moving manner, a storage box 11 is mounted on the top end of the filter cavity 5, the storage box 11 is mounted on the inner side of the device body 1, a liquid inlet 4 is formed in one side of the storage box 11, an external pipeline is connected to the liquid inlet 4, an electric control spray nozzle 9 is arranged on one side of the storage box 11, a one-way valve 8 is mounted on the outer side of the electric control spray nozzle 9, a stirring sheet 14 is connected to one side of the one-way valve 8, and a temperature control block 13 is mounted on the outer side of the stirring sheet 14.
In this implementation, storage box 11 is the ring shape, be provided with mixing chamber 10 in the storage box 11, automatically controlled shower nozzle 9 installs in mixing chamber 10, be linked together between automatically controlled shower nozzle 9 and the storage box 11, the check valve 8 has all been installed to automatically controlled shower nozzle 9's top and bottom, stirring chamber 15 has been seted up on the top of device body 1, rotate between the inner wall of stirring chamber 15 and be connected with bull stick 12, stirring piece 14 is fixed on the surface of bull stick 12, temperature control piece 13 is provided with a plurality of, all install on the inner wall of stirring chamber 15, install electric wire 3 on the device body 1, be electric connection between electric wire 3 and the temperature control piece 13, the gas outlet has been seted up on the top of stirring chamber 15, threaded connection has filter core 2 on the gas outlet.
Working principle: install dust bag 7 in advancing the mouth 6, let in the flue gas from advancing the mouth 6, can filter a large amount of impurity through dust bag 7, then mix in the chamber 10 through downside check valve 8, automatically controlled shower nozzle 9 can carry out the blowout of catalytic gas this moment, the gas of blowout can mix with the flue gas, then jack-up upside check valve 8, get into in the stirring chamber 15, the rising of flue gas can drive stirring piece 14 and rotate, flue gas and catalytic gas are complete mix when rotatory in-process, and temperature control piece 13 can carry out the control of temperature to stirring chamber 15 before mixing, discharge from the gas outlet at last, filter core 2 can the filterable impurity again when discharging.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. Cogeneration flue gas denitrification facility based on liquid ammonia safety replacement, its characterized in that includes:
The device comprises a device body (1), wherein a filter cavity (5) is formed in the device body (1), a smoke inlet (6) is formed in one side of the filter cavity (5), a dust removal bag (7) is connected in the smoke inlet (6), a storage box (11) is arranged on the top end of the filter cavity (5), an electric control spray head (9) is arranged on one side of the storage box (11), a one-way valve (8) is arranged on the outer side of the electric control spray head (9), a stirring sheet (14) is connected to one side of the one-way valve (8), and a temperature control block (13) is arranged on the outer side of the stirring sheet (14).
2. The cogeneration flue gas denitration device based on the safe substitution of liquid ammonia according to claim 1, wherein the filter cavity (5) is positioned on the bottom end of the device body (1), the flue gas inlet (6) is formed on the bottom surface of the device body (1), and the dust removal bag (7) is limited in the flue gas inlet (6).
3. The cogeneration flue gas denitration device based on the safe substitution of liquid ammonia according to claim 2, wherein the storage box (11) is installed on the inner side of the device body (1), a liquid inlet (4) is formed in one side of the storage box (11), and an external pipeline is connected to the liquid inlet (4).
4. The cogeneration flue gas denitration device based on liquid ammonia safe substitution according to claim 3, wherein the storage box (11) is in a circular ring shape, a mixing cavity (10) is arranged in the storage box (11), the electric control spray head (9) is installed in the mixing cavity (10), the electric control spray head (9) is communicated with the storage box (11), and one-way valves (8) are installed at the top end and the bottom end of the electric control spray head (9).
5. The cogeneration flue gas denitration device based on liquid ammonia safe substitution according to claim 4, wherein a stirring cavity (15) is formed in the top end of the device body (1), a rotating rod (12) is rotatably connected between the inner walls of the stirring cavity (15), and the stirring piece (14) is fixed on the outer surface of the rotating rod (12).
6. The cogeneration flue gas denitration device based on liquid ammonia safe substitution according to claim 5, wherein the temperature control blocks (13) are arranged in a plurality of ways and are all installed on the inner wall of the stirring cavity (15), an electric wire (3) is installed on the device body (1), the electric wire (3) is electrically connected with the temperature control blocks (13), an air outlet is formed in the top end of the stirring cavity (15), and a filter core (2) is connected to the air outlet in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322643170.9U CN220878385U (en) | 2023-09-28 | 2023-09-28 | Cogeneration flue gas denitrification facility based on liquid ammonia safety replacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322643170.9U CN220878385U (en) | 2023-09-28 | 2023-09-28 | Cogeneration flue gas denitrification facility based on liquid ammonia safety replacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220878385U true CN220878385U (en) | 2024-05-03 |
Family
ID=90879816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322643170.9U Active CN220878385U (en) | 2023-09-28 | 2023-09-28 | Cogeneration flue gas denitrification facility based on liquid ammonia safety replacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220878385U (en) |
-
2023
- 2023-09-28 CN CN202322643170.9U patent/CN220878385U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |