CN209952488U - Ceramic filter tube denitration and desulfurization dust remover - Google Patents
Ceramic filter tube denitration and desulfurization dust remover Download PDFInfo
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- CN209952488U CN209952488U CN201920161221.5U CN201920161221U CN209952488U CN 209952488 U CN209952488 U CN 209952488U CN 201920161221 U CN201920161221 U CN 201920161221U CN 209952488 U CN209952488 U CN 209952488U
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- dust remover
- box body
- ceramic filter
- filter tube
- denitration
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Abstract
The utility model discloses a pottery filter tube denitration desulfurization dust remover. A ceramic filter tube (7) is arranged at the left inner end of a dust remover shell (16), a middle box body (6) is arranged at the right lower inner end of the dust remover shell (16), an upper box body (9) is arranged at the upper inner end of the dust remover shell (16), an ash bucket (2) is arranged at the lower end of the dust remover shell (16), a star-shaped ash discharge valve (15) is connected to the lower opening part of the ash bucket (2) through a flange, a venturi tube (8) is arranged at the opening part of the ceramic filter tube (7), the ceramic filter tube (7) and the venturi tube (8) are fixedly connected to a perforated plate inside the upper box body (9) through bolts by a pressing plate, a pulse ash removal device (11) and an off-line valve (10) are arranged at the top part of the upper box body (9), and a catalyst (20) is arranged in a ceramic fiber. Because the utility model relates to a novelty, simple process, equipment area is little, and equipment investment is few, and dust removal denitration desulfurization is effectual.
Description
The technical field is as follows:
the utility model belongs to the technical field of the environmental protection and specifically relates to a pottery chimney filter denitration desulfurization dust remover is related to.
Background art:
with the increasing development of modern industrial technology, the harm of polluting smoke generated in the process of energy utilization to the ecological environment and human life has become a non-negligible problem. Taking heavy pollution industries such as power plants, heating boilers and the like as examples, flue gas generated after burning of fuels such as coal tar, natural gas, petroleum coke powder and even raw coal in a boiler or a kiln mainly comprises various harmful substances such as dust, sulfur oxides, nitrogen oxides and the like, and if the flue gas is directly discharged into the air, the flue gas not only pollutes the ecological environment and harms human health, but also can corrode production equipment and cause adverse effects on the whole production process. The main approaches for purifying sulfur oxides and nitrogen oxides in the boiler flue gas include denitration and desulfurization before combustion, denitration and sulfur fixation during combustion and denitration and desulfurization after combustion, wherein the denitration and desulfurization after combustion is flue gas denitration and desulfurization. The main process of denitration and desulfurization of the flue gas of the coal-fired boiler at present is that the flue gas sequentially passes through denitration of an SCR reactor, dust removal of a dust remover and desulfurization of a desulfurization tower. However, most of the processes are independent systems arranged in parallel on the ground, the occupied area is large, and the equipment cost is high.
The utility model has the following contents:
the utility model aims to solve the technical problem that a ceramic filter tube denitration desulfurization dust remover that area is little, equipment cost is lower, dust removal denitration desulfurization efficiency is higher is provided.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the ceramic filter tube of the ceramic filter tube denitration desulfurization dust remover is arranged at the left inner end of a dust remover shell, the middle box body is arranged at the right lower inner end of the dust remover shell, the upper box body is arranged at the upper inner end of the dust remover shell, the ash bucket is arranged at the lower end of the dust remover shell, the star-shaped ash discharge valve is connected to the lower opening part of the ash bucket through a flange, a venturi tube is arranged at the opening part of the ceramic filter tube, the ceramic filter tube and a pressure plate for the venturi tube are connected and fixed on a perforated plate inside the upper box body through bolts, the pulse ash removal device and the off-line valve are arranged at the top of the upper box body, the left lower end of the middle box body is provided with a flue gas inlet flue, the flue gas outlet flue is arranged at the right upper end of the middle box.
The utility model has the advantages that: the utility model replaces the filter bag used in the traditional pulse bag dust collector with the ceramic filter tube in the invention. Adopt the ceramic filter tube can make the dust remover possess three kinds of functions of flue gas denitration desulfurization dust removal simultaneously, simplify the process flow of flue gas denitration desulfurization dust removal. The invention has simple process, greatly reduces the occupied area of equipment, greatly reduces the equipment investment, can ensure that the smoke emission of the coal-fired boiler meets the national environmental protection emission requirement and achieves the near zero emission of pollutants.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a left side view of fig. 1.
The specific implementation mode is as follows:
as shown in the figures 1 and 2, a ceramic filter tube 7 of the ceramic filter tube denitration and desulfurization dust remover is arranged at the left inner end of a dust remover shell 16, a middle box body 6 is arranged at the right lower inner end of the dust remover shell 16, an upper box body 9 is arranged at the upper inner end of the dust remover shell 16, an ash bucket 2 is arranged at the lower end of the dust remover shell 16, a star-shaped ash discharge valve 15 is connected to the lower opening part of the ash bucket 2 through a flange, a venturi tube 8 is arranged at the opening part of the ceramic filter tube 7, the ceramic filter tube 7 and the venturi tube 8 are fixedly connected to a perforated plate in the upper box body 9 through a bolt by a pressing plate, a pulse ash removal device 11 and an off-line valve 10 are arranged at the top part of the upper box body 9, a flue gas inlet flue 12 is arranged at the left lower end of the middle box body 6, a flue gas outlet flue 14 is arranged.
As shown in fig. 1 and 2, a catalyst 20 is disposed in a ceramic fiber filter tube on the surface of a ceramic filter tube 7 of the ceramic filter tube denitration and desulfurization dust remover, the filter element of the ceramic filter tube 7 adopts a ceramic fiber filter tube in which the catalyst 20 is uniformly distributed on the surface of the filter tube, and the catalyst 20 is a catalyst required for denitration and desulfurization.
As shown in fig. 1 and fig. 2, an ash bucket spoiler 4 and a flue guide plate 5 are disposed at a junction between a flue gas inlet flue 12 and an ash bucket 2 of the ceramic filter tube denitration desulfurization dust remover.
As shown in fig. 1 and 2, the submerged pulse valves 17 of the pulse ash removal device 11 of the ceramic filter tube denitration and desulfurization dust remover are equidistantly arranged at the upper end of the air bag 18, and the air bag 18 is equidistantly arranged at the upper part of the upper box 9 through the blowing pipe 19.
As shown in fig. 1 and 2, a steel support 1 is arranged at the bottom of a dust remover shell 16 of the ceramic filter tube denitration desulfurization dust remover, and a ladder stand 3 is arranged at the inner end of the steel support 1.
As shown in fig. 1 and 2, a flue gas inlet flue 12 of the ceramic filter tube denitration and desulfurization dust remover is an air inlet a, a flue gas outlet flue 14 is an air outlet B, and sodium carbonate C and ammonia D are respectively placed at the upper end of the flue gas inlet flue 12.
The utility model discloses a theory of operation does:
before flue gas containing nitrogen oxides and sulfur oxides enters the ceramic filter tube dust removal denitration desulfurization equipment, ammonia and sodium carbonate are sprayed into an external air inlet flue, the flue gas is mixed with the flue gas containing the nitrogen oxides and the sulfur oxides and then enters an ash bucket through a flue gas inlet flue and a flue gas guide plate, large particle dust is separated under the flow choking action of an ash bucket spoiler and directly falls into the ash bucket, finer dust uniformly enters a middle box body and is adsorbed on the outer surface of a ceramic filter tube filter element, the ceramic filter tube filter element adopts ceramic fiber filter tubes with catalysts evenly distributed on the surfaces of the filter tubes, and the catalysts are catalysts required by denitration and desulfurization. The flue gas containing the nitrogen oxides and the sulfur oxides mixed with the sodium carbonate and the ammonia is subjected to chemical reaction under the action of the catalyst attached to the outer surface of the ceramic filter tube filter element to remove the nitrogen oxides and the sulfur oxides, so that clean gas without pollution to the atmosphere is generated, enters the upper box body through the ceramic filter tube filter element, enters the flue gas outlet flue through the off-line valve, and is discharged into the atmosphere through the subsequent exhaust pipe. Along with the progress of the filtering working condition, the more the dust on the filtering element of the ceramic filtering pipe is accumulated, when the resistance of the equipment reaches a limited resistance value, the pulse dust cleaning device opens the electromagnetic pulse valve for pulse spraying according to a set program under the action of the dust cleaning control device, the pressure inside the filtering element of the ceramic filtering pipe is increased suddenly by utilizing the instant spraying of compressed air, and the dust attached to the surface of the filtering element of the ceramic filtering pipe is blown down to an ash hopper and is discharged by the ash discharging device.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (4)
1. The utility model provides a pottery filter tube denitration desulfurization dust remover, characterized by: the ceramic filter tube (7) is arranged at the left inner end of the dust remover shell (16), the middle box body (6) is arranged at the right lower inner end of the dust remover shell (16), the upper box body (9) is arranged at the upper inner end of the dust remover shell (16), the ash bucket (2) is arranged at the lower end of the dust remover shell (16), the star-shaped ash discharge valve (15) is connected with the lower opening part of the ash bucket (2) through a flange, the venturi tube (8) is arranged at the opening part of the ceramic filter tube (7), the ceramic filter tube (7) and the venturi tube (8) are fixedly connected on a perforated plate in the upper box body (9) through bolts by a pressing plate, the pulse ash removal device (11) and the off-line valve (10) are arranged at the top part of the upper box body (9), the left lower end of the middle box body (6) is provided with a flue gas inlet flue (12), the flue gas outlet (14) is arranged at the right upper end of the middle box body (6), the, the ceramic fiber filter tube on the surface of the ceramic filter tube (7) is internally provided with a catalyst (20).
2. The denitration and desulfurization dust remover for ceramic filter tubes as set forth in claim 1, wherein: and an ash bucket spoiler (4) and a flue guide plate (5) are arranged at the junction of the flue gas inlet flue (12) and the ash bucket (2).
3. The denitration and desulfurization dust remover for ceramic filter tubes as set forth in claim 1, wherein: submerged pulse valves (17) of the pulse ash removal device (11) are equidistantly arranged at the upper end of an air bag (18), and the air bag (18) is equidistantly arranged at the upper part of the upper box body (9) through a blowing pipe (19).
4. The denitration and desulfurization dust remover for ceramic filter tubes as set forth in claim 1, wherein: the bottom of the dust remover shell (16) is provided with a steel bracket (1), and the ladder stand (3) is arranged at the inner end of the steel bracket (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920161221.5U CN209952488U (en) | 2019-01-21 | 2019-01-21 | Ceramic filter tube denitration and desulfurization dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920161221.5U CN209952488U (en) | 2019-01-21 | 2019-01-21 | Ceramic filter tube denitration and desulfurization dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209952488U true CN209952488U (en) | 2020-01-17 |
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ID=69237895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920161221.5U Ceased CN209952488U (en) | 2019-01-21 | 2019-01-21 | Ceramic filter tube denitration and desulfurization dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209952488U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109758855A (en) * | 2019-01-21 | 2019-05-17 | 河南绿源新星环保设备有限公司 | A kind of ceramic screen pipe denitration desulfurizing dust-collector |
| CN111514746A (en) * | 2020-04-26 | 2020-08-11 | 刘祎鸣 | Multifunctional flue gas desulfurization and denitrification device and method |
-
2019
- 2019-01-21 CN CN201920161221.5U patent/CN209952488U/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109758855A (en) * | 2019-01-21 | 2019-05-17 | 河南绿源新星环保设备有限公司 | A kind of ceramic screen pipe denitration desulfurizing dust-collector |
| CN111514746A (en) * | 2020-04-26 | 2020-08-11 | 刘祎鸣 | Multifunctional flue gas desulfurization and denitrification device and method |
| CN111514746B (en) * | 2020-04-26 | 2021-03-02 | 河北环科除尘设备有限公司 | Multifunctional flue gas desulfurization and denitrification device and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20210527 Decision number of declaring invalidation: 49864 Granted publication date: 20200117 |
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| IW01 | Full invalidation of patent right |