CN221349195U - Tail gas purifying device of industrial boiler - Google Patents
Tail gas purifying device of industrial boiler Download PDFInfo
- Publication number
- CN221349195U CN221349195U CN202323161494.5U CN202323161494U CN221349195U CN 221349195 U CN221349195 U CN 221349195U CN 202323161494 U CN202323161494 U CN 202323161494U CN 221349195 U CN221349195 U CN 221349195U
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- Prior art keywords
- smoke
- pipe
- inlet pipe
- filter
- storage tank
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- 239000007789 gas Substances 0.000 claims abstract description 68
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000003546 flue gas Substances 0.000 claims abstract description 20
- 239000000779 smoke Substances 0.000 claims description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 64
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 description 7
- 231100000719 pollutant Toxicity 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- 241000208125 Nicotiana Species 0.000 description 3
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Abstract
The utility model relates to the technical field of boiler flue gas treatment, in particular to a tail gas purifying device of an industrial boiler, which can effectively reduce the cost of tail gas treatment.
Description
Technical Field
The utility model relates to the technical field of boiler flue gas treatment, in particular to a tail gas purifying device of an industrial boiler.
Background
Industrial boilers are known to be classified into hot water boilers and steam boilers according to the use, and steel industrial boilers, condensing industrial boilers and vacuum boilers according to the product performance. In the future, the coal-fired industrial boiler is still the dominant product in China for a quite long time, and is mostly in medium and large capacity (the evaporation capacity of a single boiler is more than or equal to 10 t/h). However, the waste gas of the coal-fired boiler contains more smoke dust and productive dust, carbon disulfide, hydrogen sulfide, nitrogen oxides and other substances, the substances are discharged into the atmosphere along with the waste gas of the boiler, air can be polluted, the environment is seriously polluted, the substances of the boiler enter human respiratory tract through different ways, and the substances directly produce harm, have accumulation effect and can seriously harm the human health.
The existing boiler waste gas is usually treated in the discharging process, but most of the treatment is only carried out in the energy-saving and environment-friendly angles, and the waste heat recovery is generally carried out by connecting other heat exchange devices such as a coal economizer or a heat exchanger at the lower part of a flue at the tail part of the boiler.
Through retrieving the tail gas purification device of industrial boiler that application number CN202021345409.4 discloses, its gas will enter into the shower and spray the washing, so that the acid pollutant in the waste gas can be got rid of, have better flue gas purifying effect, above-mentioned patent is through the mode of spraying with getting rid of acid pollutant and reducing the particulate matter, but the mode of spraying needs to use the pump to circulate the solution, the work of pump needs to use the electric energy, the cost of tail gas treatment has been increased, and the filter setting in above-mentioned patent is in the front portion of shower, the tail gas flows through the shower after flowing through the filter, the inside filter equipment of filter changes the frequency too high, the cost of tail gas treatment has also been increased.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a tail gas purifying device of an industrial boiler, which can effectively reduce the cost of tail gas treatment.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an industrial boiler's tail gas cleanup unit, includes boiler body, heat exchanger, cyclone, water storage box and smoke filter, its characterized in that: the bottom end of the boiler main body is provided with a base, and the base comprises a tail gas smoke exhaust pipe arranged on the boiler main body;
A first smoke inlet pipe is arranged on one side of the heat exchanger, a first smoke exhaust pipe is arranged on the other side of the heat exchanger, a cold medium inlet pipe is arranged on one side of the top of the heat exchanger, and a cold medium calandria is arranged on the other side of the top of the heat exchanger;
The side part of the cyclone separator is provided with a second smoke inlet pipe, the top of the cyclone separator is provided with a second smoke outlet pipe, the bottom of the cyclone separator is provided with an ash bucket, and the bottom of the ash bucket is provided with an ash discharge valve;
A third smoke inlet pipe is arranged on one side of the water storage tank, a third smoke exhaust pipe is arranged on the other side of the water storage tank, a water injection pipe is arranged at the top of the middle part of the water storage tank, a sealing cover is arranged at the top of the water injection pipe, and a drain valve is arranged at the bottom of the water storage tank;
an inlet pipe is arranged on one side of the smoke filter, an exhaust pipe is arranged on the other side of the smoke filter, and a primary filter screen, a high-efficiency filter screen and an active carbon filter layer are sequentially arranged in the smoke filter from the inlet pipe to the exhaust pipe;
The tail gas exhaust pipe is communicated with the first smoke inlet pipe, the first exhaust pipe is communicated with the second smoke inlet pipe, the second exhaust pipe is communicated with the third smoke inlet pipe, and the third exhaust pipe is communicated with the inlet pipe.
Further, the bottom end of the third smoke inlet pipe is lower than the bottom end of the third smoke outlet pipe.
Further, the water storage tank is filled with water, the water surface is lower than the bottom end of the third smoke exhaust pipe, the water surface is higher than the bottom end of the third smoke inlet pipe, and a user can add chemical solutes into the water according to the components in the tail gas.
Furthermore, a part of installation space is reserved in the flue gas filter, and a user can install a filter screen or a filter device with other filtering effects according to the components in the tail gas.
Further, the flue gas filter is a detachable flue gas filter.
(III) beneficial effects
Compared with the prior art, the utility model provides the tail gas purifying device of the industrial boiler, which has the following beneficial effects:
This industrial boiler's tail gas purification device, through the setting of water storage tank, third advances tobacco pipe and third and exhaust the tobacco pipe, the tail gas enters into the inside of water storage tank by the third and advances the tobacco pipe and enter into the below the surface of water with the tail gas, then the gas upwards floats the surface of water by the aquatic, the in-process that the gas upwards floats the surface of water, the pollutant in the gas can be got rid of to the water, need not to use any electric energy when the inside of water storage tank gets rid of the pollutant to the tail gas, thereby effectively reduced the cost of tail gas treatment, and the water storage tank sets up in the place ahead of filter, the tail gas flows through the flue gas filter after flowing through the water storage tank, thereby effectively reduce the inside filter equipment's of flue gas filter change frequency, effectively reduce the cost of tail gas treatment.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the water reservoir of the present utility model;
Fig. 3 is a schematic cross-sectional view of the smoke filter of the present utility model.
In the figure: 1. a boiler body; 2. a heat exchanger; 3. a cyclone separator; 4. a water storage tank; 5. a flue gas filter; 6. a base; 7. a tail gas smoke exhaust pipe; 8. a first smoke inlet pipe; 9. a first smoke exhaust pipe; 10. a cold medium inlet pipe; 11. a cold medium drain pipe; 12. a second smoke inlet pipe; 13. a second smoke exhaust pipe; 14. an ash bucket; 15. an ash valve; 16. a third smoke inlet pipe; 17. a third smoke exhaust pipe; 18. a water injection pipe; 19. sealing cover; 20. a drain valve; 21. an inlet tube; 22. a discharge pipe; 23. a primary filter screen; 24. an efficient filter screen; 25. an active carbon filter layer.
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.
Referring to fig. 1 to 3, the utility model relates to an exhaust gas purifying device of an industrial boiler, comprising a boiler body 1, a heat exchanger 2, a cyclone separator 3, a water storage tank 4 and a flue gas filter 5, and is characterized in that: the bottom end of the boiler main body 1 is provided with a base 6, and the boiler main body 1 is provided with a tail gas smoke exhaust pipe 7;
A first smoke inlet pipe 8 is arranged on one side of the heat exchanger 2, a first smoke outlet pipe 9 is arranged on the other side of the heat exchanger 2, a cold medium inlet pipe 10 is arranged on one side of the top of the heat exchanger 2, a cold medium calandria 11 is arranged on the other side of the top of the heat exchanger 2, and the heat exchanger 2 exchanges heat with the tail gas so as to reduce heat energy loss;
the side part of the cyclone separator 3 is provided with a second smoke inlet pipe 12, the top of the cyclone separator 3 is provided with a second smoke outlet pipe 13, the bottom of the cyclone separator 3 is provided with an ash bucket 14, the bottom of the ash bucket 14 is provided with an ash discharge valve 15, and the cyclone separator 3 primarily removes particulate matters in tail gas through centrifugal force;
A third smoke inlet pipe 16 is arranged on one side of the water storage tank 4, a third smoke outlet pipe 17 is arranged on the other side of the water storage tank 4, a water injection pipe 18 is arranged at the top of the middle part of the water storage tank 4, a sealing cover 19 is arranged at the top of the water injection pipe 18, a drain valve 20 is arranged at the bottom of the water storage tank 4, tail gas enters the water storage tank 4 from the third smoke inlet pipe 16, the tail gas is guided below the water surface by the third smoke inlet pipe 16, then the gas floats upwards from the water surface, in the process that the gas floats upwards from the water surface, the water can remove pollutants in the gas, no electric energy is needed when the pollutants are removed from the tail gas in the water storage tank 4, and therefore the cost of tail gas treatment is effectively reduced;
An inlet pipe 21 is arranged on one side of the smoke filter 5, an exhaust pipe 22 is arranged on the other side of the smoke filter 5, a primary filter screen 23, a high-efficiency filter screen 24 and an active carbon filter layer 25 are sequentially arranged in the smoke filter 5 from the inlet pipe 21 to the exhaust pipe 22, and the smoke filter 5 further filters tail gas;
The tail gas exhaust pipe 7 is communicated with the first smoke inlet pipe 8, the first smoke exhaust pipe 9 is communicated with the second smoke inlet pipe 12, the second smoke exhaust pipe 13 is communicated with the third smoke inlet pipe 16, and the third smoke exhaust pipe 17 is communicated with the inlet pipe 21.
Wherein the bottom end of the third smoke inlet pipe 16 is lower than the bottom end of the third smoke outlet pipe 17.
Wherein, the water storage tank 4 is filled with water, the water surface is lower than the bottom end of the third smoke exhaust pipe 17, the water surface is higher than the bottom end of the third smoke intake pipe 16, and the user can add chemical solute into the water according to the components in the tail gas.
Wherein, a part of installation space is reserved in the flue gas filter 5, and a user can install a filter screen or a filter device with other filtering effects according to the components in the tail gas.
Wherein the flue gas filter 5 is a detachable flue gas filter 5.
In summary, when the exhaust gas purifying device for an industrial boiler is used, the exhaust gas generated by the boiler main body 1 sequentially flows through the heat exchanger 2, the cyclone separator 3, the water storage tank 4 and the smoke filter 5, and finally the exhaust gas is discharged after being treated through the discharge pipe 22, when the exhaust gas flows through the heat exchanger 2, the heat exchanger 2 exchanges heat with the exhaust gas so as to reduce loss of heat energy, when the exhaust gas flows through the cyclone separator 3, the cyclone separator 3 primarily removes particles in the exhaust gas through centrifugal force, when the exhaust gas flows through the water storage tank 4, the exhaust gas enters the water storage tank 4 through the third smoke inlet pipe 16, the third smoke inlet pipe 16 guides the exhaust gas below the water surface, then the gas upwards floats out of the water surface from the water, in the process that the gas upwards floats out of the water, the water can remove pollutants in the gas, any electric energy is not needed when the exhaust gas is removed in the water storage tank 4, thereby effectively reducing the cost of the exhaust gas treatment, and when the exhaust gas flows through the smoke filter 5, the exhaust gas is further filtered.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an industrial boiler's tail gas cleanup unit, includes boiler body (1), heat exchanger (2), cyclone (3), water storage tank (4) and flue gas filter (5), its characterized in that: a base (6) is arranged at the bottom end of the boiler main body (1), and a tail gas smoke exhaust pipe (7) is arranged on the boiler main body (1);
a first smoke inlet pipe (8) is arranged on one side of the heat exchanger (2), a first smoke exhaust pipe (9) is arranged on the other side of the heat exchanger (2), a cold medium inlet pipe (10) is arranged on one side of the top of the heat exchanger (2), and a cold medium calandria (11) is arranged on the other side of the top of the heat exchanger (2);
The side part of the cyclone separator (3) is provided with a second smoke inlet pipe (12), the top of the cyclone separator (3) is provided with a second smoke outlet pipe (13), the bottom of the cyclone separator (3) is provided with an ash bucket (14), and the bottom of the ash bucket (14) is provided with an ash discharge valve (15);
A third smoke inlet pipe (16) is arranged on one side of the water storage tank (4), a third smoke exhaust pipe (17) is arranged on the other side of the water storage tank (4), a water injection pipe (18) is arranged at the top of the middle part of the water storage tank (4), a sealing cover (19) is arranged at the top of the water injection pipe (18), and a drain valve (20) is arranged at the bottom of the water storage tank (4);
An inlet pipe (21) is arranged on one side of the flue gas filter (5), an exhaust pipe (22) is arranged on the other side of the flue gas filter (5), and a primary filter screen (23), a high-efficiency filter screen (24) and an active carbon filter layer (25) are sequentially arranged in the flue gas filter (5) from the inlet pipe (21) to the exhaust pipe (22);
The exhaust smoke exhaust pipe (7) is communicated with the first smoke inlet pipe (8), the first smoke exhaust pipe (9) is communicated with the second smoke inlet pipe (12), the second smoke exhaust pipe (13) is communicated with the third smoke inlet pipe (16), and the third smoke exhaust pipe (17) is communicated with the inlet pipe (21).
2. The exhaust gas purifying apparatus of an industrial boiler according to claim 1, wherein: the bottom end of the third smoke inlet pipe (16) is lower than the bottom end of the third smoke outlet pipe (17).
3. The exhaust gas purifying apparatus of an industrial boiler according to claim 1, wherein: the water storage tank (4) is internally filled with water, the water surface is lower than the bottom end of the third smoke exhaust pipe (17), the water surface is higher than the bottom end of the third smoke inlet pipe (16), and a user can add chemical solutes into the water according to the components in the tail gas.
4. The exhaust gas purifying apparatus of an industrial boiler according to claim 1, wherein: a part of installation space is reserved in the flue gas filter (5), and a user can install a filter screen or a filter device with other filtering effects according to the components in the tail gas.
5. The exhaust gas purifying apparatus of an industrial boiler according to claim 1, wherein: the flue gas filter (5) is a detachable flue gas filter (5).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221349195U true CN221349195U (en) | 2024-07-16 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |