CN210674785U - Liquid phase catalysis method handles low temperature flue gas denitration desulfurizing tower - Google Patents
Liquid phase catalysis method handles low temperature flue gas denitration desulfurizing tower Download PDFInfo
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- CN210674785U CN210674785U CN201921003241.6U CN201921003241U CN210674785U CN 210674785 U CN210674785 U CN 210674785U CN 201921003241 U CN201921003241 U CN 201921003241U CN 210674785 U CN210674785 U CN 210674785U
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- flue gas
- section
- denitration
- dust removal
- desulfurization
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 239000003546 flue gas Substances 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000007791 liquid phase Substances 0.000 title claims abstract description 17
- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 12
- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 9
- 239000000428 dust Substances 0.000 claims abstract description 76
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 33
- 230000023556 desulfurization Effects 0.000 claims abstract description 31
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 9
- 241001330002 Bambuseae Species 0.000 claims abstract description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 9
- 239000011425 bamboo Substances 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 238000007790 scraping Methods 0.000 claims description 12
- 230000003197 catalytic effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 23
- 230000008569 process Effects 0.000 abstract description 11
- 239000000779 smoke Substances 0.000 description 28
- 238000003756 stirring Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a liquid phase catalysis method handles low temperature flue gas denitration desulfurizing tower belongs to denitration and desulfurization technical field, a liquid phase catalysis method handles low temperature flue gas denitration desulfurizing tower, including the denitration section that top-down distributes on the tower body, desulfurization section and dust removal section, denitration section upside, between denitration section and the desulfurization section, all be provided with pneumatic whirl unit between desulfurization section and the dust removal section, the fixed intercommunication of tower body top has a clean flue gas play section of thick bamboo, clean flue gas play section of thick bamboo inboard is equipped with automatic dust removal mechanism, when flue gas sensor detects to produce clean flue gas, extend upwards through controller drive electric telescopic handle, take dust removal spare to move upwards, the flue gas is discharged, in the process of flue gas discharge, clean flue gas play section of thick bamboo inner wall is stained with the waste dust; when the flue gas disappears, the controller drives the electric telescopic rod to shrink downwards, the dust removing part is driven to scrape the waste dust adhered to the inner wall of the flue gas outlet cylinder, the amount of the waste dust discharged into the air is reduced, and the environment-friendly performance is good.
Description
Technical Field
The utility model relates to a denitration desulfurization technical field, more specifically say, relate to a liquid phase catalysis method handles low temperature flue gas denitration desulfurizing tower.
Background
At present, dust removal denitration desulfurizing tower both is coal-fired flue gas dust remover + denitration equipment + desulfurizing tower integration equipment, and this device mainly carries out physics, chemical purification treatment to coal-fired flue gas dust particulate matter, SO2, nitrogen oxide. The treated flue gas is discharged in a qualified way, so that the treated flue gas meets the relevant requirements of environmental protection departments.
The existing liquid phase catalysis method for treating low-temperature flue gas denitration and desulfurization tower and process device mainly have the following problems that in the circulation process of a solution (formed by mixing a catalyst, an accelerant and an absorption neutralizer according to a certain proportion) participating in a reaction, one or more of the catalyst, the accelerant and the absorption neutralizer are consumed too fast and are not consumed uniformly, so that the denitration and desulfurization of the flue gas cannot be efficiently realized in the solution proportion, after the solution is used for a plurality of cycles, the solution in the denitration and desulfurization tower must be discharged, and new solution is injected again, so that the waste of the solution is caused.
In order to solve the problems, the Chinese patent publication No. CN207287138U discloses a liquid phase catalysis method for treating a low-temperature flue gas denitration and desulfurization tower and a process device, wherein the process device comprises a denitration and desulfurization tower, a catalyst stirring bin, an accelerant stirring bin and an absorption neutralizer stirring bin; the denitration desulfurization tower comprises a tower body, a barrier and a spray head are sequentially arranged in the tower body from bottom to top, a smoke inlet of the tower body is arranged below the barrier, and the bottom of the tower body is connected with the spray head through a circulating pump; the catalyst stirring bin is connected with the tower body below the smoke inlet through a first metering pump; the accelerator stirring bin is connected with the tower body below the smoke inlet through a second metering pump; the absorption neutralizer stirring bin is connected with the tower body above the barrier through a third metering pump; the bottom of the tower body is provided with a PH sensor which is connected with the first metering pump and the second metering pump through a controller. The scheme has the advantages that the recycling time of the solution (formed by mixing the catalyst, the accelerant and the absorption neutralizer according to a certain proportion) participating in the liquid phase catalysis method treatment can be greatly prolonged, and the damage to the environment is reduced.
Although the liquid phase catalysis method in the prior art is relatively perfect in treating the low-temperature flue gas denitration and desulfurization tower and the process device, waste dust can be adhered to the part of the inner wall of the denitration and desulfurization tower which is not sprayed in the long-time use process, particularly thick waste dust is easily adhered to the inner wall of a clean flue gas outlet cylinder at the top of the tower, the smooth discharge of the flue gas is influenced, and in addition, the flue gas is easily brought out to pollute the outside air.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a liquid phase catalysis method handles low temperature flue gas denitration desulfurizing tower, and it sets up the clean flue gas play section of thick bamboo of column roof department into the detachable multisection, can regularly realize.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A liquid phase catalysis method for processing low temperature flue gas denitration and desulfurization tower comprises a denitration section, a desulfurization section and a dust removal section which are distributed on a tower body from top to bottom, wherein pneumatic rotational flow units are respectively arranged on the upper side of the denitration section, between the denitration section and the desulfurization section, and between the desulfurization section and the dust removal section, the side end of each pneumatic rotational flow unit is fixedly connected with the inner wall of the tower body, the left side end and the right side end of the dust removal section are respectively provided with a flue gas inlet and a desulfurization dust removal drain outlet, the top end of the tower body is fixedly communicated with a clean flue gas outlet cylinder, the inner side of the clean flue gas outlet cylinder is provided with an automatic dust removal mechanism, the automatic dust removal mechanism comprises a fixed frame, an electric telescopic rod and a dust removal part, the fixed frame is fixedly connected on the inner wall of the tower body, the fixed frame is, the controller drives the electric telescopic rod to extend upwards to drive the dust removal piece to move upwards, smoke is discharged, and waste dust adheres to the inner wall of the purified smoke outlet cylinder in the smoke discharging process; when the flue gas disappears, the controller drives the electric telescopic rod to shrink downwards, the dust removing part is driven to scrape the waste dust adhered to the inner wall of the flue gas outlet cylinder, the amount of the waste dust discharged into the air is reduced, and the environment-friendly performance is good.
Furthermore, the dust removing part comprises a movable disc, a wide ring and a scraping ring, the movable disc is connected to the upper end of the driving part, the wide ring is fixedly sleeved at the lower end of the movable disc, the scraping ring is fixedly connected to the lower end of the wide ring, a plurality of air outlet holes are drilled in the wide ring, when the smoke sensor detects that clean smoke is generated, the controller drives the electric telescopic rod to extend upwards to drive the dust removing part to move upwards, and the smoke is discharged from the air outlet holes; when the flue gas disappears, the controller drives the electric telescopic rod to contract downwards, and the scraping ring is utilized to scrape the waste dust adhered to the inner wall of the flue gas outlet cylinder.
Furthermore, the outer side of the electric telescopic rod is sleeved with a telescopic pipe, the upper end and the lower end of the telescopic pipe are respectively connected with the fixed frame and the movable disc, and the telescopic pipe can protect the electric telescopic rod from being polluted by waste dust.
Further, the thread groove is cut at the lower end of the movable disc, the mounting block is connected with the thread groove, the upper ends of the electric telescopic rod and the telescopic pipe are fixedly connected with the mounting block, and the dust removing part is convenient to detach and replace.
Further, roof department joint has a plurality of stoppers in the clean flue gas goes out a section of thick bamboo, and a plurality of stoppers evenly arrange roof department in interior for the difficult accident of dust removal piece breaks away from clean flue gas and goes out a section of thick bamboo.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) according to the scheme, when the smoke sensor detects that clean smoke is generated, the controller drives the electric telescopic rod to extend upwards to drive the dust removal piece to move upwards, the smoke is discharged, and waste dust is adhered to the inner wall of the clean smoke discharge cylinder in the smoke discharging process; when the flue gas disappears, the controller drives the electric telescopic rod to shrink downwards, the dust removing part is driven to scrape the waste dust adhered to the inner wall of the flue gas outlet cylinder, the amount of the waste dust discharged into the air is reduced, and the environment-friendly performance is good.
(2) The dust removal part comprises a movable disc, a wide ring and a scraping ring, the movable disc is connected to the upper end of the driving part, the wide ring is fixedly sleeved at the lower end of the movable disc, the scraping ring is fixedly connected to the lower end of the wide ring, a plurality of air outlet holes are drilled in the wide ring, when the smoke sensor detects that clean smoke is generated, the electric telescopic rod is driven by the controller to extend upwards, the dust removal part is driven to move upwards, and the smoke is discharged from the air outlet holes; when the flue gas disappears, the controller drives the electric telescopic rod to contract downwards, and the scraping ring is utilized to scrape the waste dust adhered to the inner wall of the flue gas outlet cylinder.
(3) The outer side of the electric telescopic rod is sleeved with a telescopic pipe, the upper end and the lower end of the telescopic pipe are respectively connected with the fixed frame and the movable disc, and the telescopic pipe can protect the electric telescopic rod from being polluted by waste dust.
(4) The thread groove is cut at the lower end of the movable disc, the mounting block is connected with the thread groove, the upper ends of the electric telescopic rod and the telescopic pipe are fixedly connected with the mounting block, and the dust removing part is convenient to detach and replace.
(5) The joint of roof department has a plurality of stoppers in the clean flue gas goes out a section of thick bamboo, and a plurality of stoppers evenly arrange roof department in interior for the difficult accident of dust removal piece breaks away from clean flue gas and goes out a section of thick bamboo.
Drawings
Fig. 1 is a schematic structural view of the present invention in an inoperative state;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic structural view of the present invention in an operating state;
fig. 4 is a schematic structural diagram at B in fig. 3.
The reference numbers in the figures illustrate:
the device comprises a dust removal section 1, a desulfurization section 2, a denitration section 3, a pneumatic cyclone unit 4, a flue gas inlet 5, a desulfurization dust removal drain outlet 6, a clean flue gas outlet cylinder 7, a fixed frame 8, a movable disc 9, a wide ring 10, a scraping ring 11, an air outlet hole 12, an installation block 13, an electric telescopic rod 14, a telescopic pipe 15, a limiting block 16 and a flue gas sensor 17.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected," may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements.
Example 1:
referring to fig. 1 and 3, a liquid phase catalytic denitration and desulfurization tower for treating low temperature flue gas comprises a denitration section 3, a desulfurization section 2 and a dust removal section 1 which are distributed from top to bottom on a tower body, wherein the upper side of the denitration section 3, the space between the denitration section 3 and the desulfurization section 2, and the space between the desulfurization section 2 and the dust removal section 1 are respectively provided with a pneumatic cyclone unit 4, the side end of the pneumatic cyclone unit 4 is fixedly connected with the inner wall of the tower body, the left side end and the right side end of the dust removal section 1 are respectively provided with a flue gas inlet 5 and a desulfurization dust removal drain 6, the top end of the tower body is fixedly communicated with a clean flue gas outlet cylinder 7, the inner side of the clean flue gas outlet cylinder 7 is provided with an automatic dust removal mechanism, the automatic dust removal mechanism comprises a fixed frame 8, an electric telescopic rod 14 and a dust removal piece, the fixed frame 8 is, when the smoke sensor 17 detects that clean smoke is generated, the controller drives the electric telescopic rod 14 to extend upwards to drive the dust removal part to move upwards, the smoke is discharged, and waste dust adheres to the inner wall of the clean smoke discharge cylinder 7 in the smoke discharging process; when the flue gas disappears, the controller drives the electric telescopic rod 14 to contract downwards, the dust removing part is driven to scrape off the waste dust adhered to the inner wall of the flue gas outlet cylinder 7, the amount of the waste dust discharged into the air is reduced, and the environment-friendly performance is good.
It can be understood that the smoke sensor 17, the electric telescopic rod 14 and the controller are all in the prior art, and can be selectively arranged according to actual needs.
Referring to fig. 2, the dust removing member includes a movable disc 9, a wide ring 10 and a scraping ring 11, the movable disc 9 is connected to the upper end of the driving member, the wide ring 10 is fixedly sleeved on the lower end of the movable disc 9, the scraping ring 11 is fixedly connected to the lower end of the wide ring 10, a plurality of air outlet holes 12 are cut on the wide ring 10, when the flue gas sensor 17 detects that clean flue gas is generated, the electric telescopic rod 14 is driven by the controller to extend upwards, the dust removing member is driven to move upwards, and the flue gas is discharged from the air outlet holes 12; when the flue gas disappears, the controller drives the electric telescopic rod 14 to contract downwards, and the scraping ring 11 is utilized to scrape off the waste dust adhered to the inner wall of the flue gas outlet cylinder 7.
Referring to fig. 2, a telescopic tube 15 is sleeved outside the electric telescopic rod 14, and the upper and lower ends of the telescopic tube 15 are respectively connected to the fixed frame 8 and the movable plate 9, so that the telescopic tube 15 can protect the electric telescopic rod 14 from being polluted by dust.
Referring to fig. 2, a threaded groove is formed in the lower end of the movable plate 9, an installation block 13 is connected to the threaded groove in a threaded manner, and the upper ends of the electric telescopic rod 14 and the telescopic tube 15 are fixedly connected with the installation block 13, so that the dust removing part can be conveniently detached and replaced.
Referring to fig. 4, the inner top wall of the clean flue gas outlet tube 7 is clamped with a plurality of limiting blocks 16, and the limiting blocks 16 are uniformly distributed on the inner top wall, so that the dust removing part is not easy to accidentally separate from the clean flue gas outlet tube 7.
When the smoke sensor 17 detects that clean smoke is generated, the controller drives the electric telescopic rod 14 to extend upwards to drive the dust removal part to move upwards, the smoke is discharged, and waste dust adheres to the inner wall of the clean smoke discharge cylinder 7 in the smoke discharging process; when the flue gas disappears, the controller drives the electric telescopic rod 14 to contract downwards, the dust removing part is driven to scrape off the waste dust adhered to the inner wall of the flue gas outlet cylinder 7, the amount of the waste dust discharged into the air is reduced, and the environment-friendly performance is good.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides a liquid phase catalysis method handles low temperature flue gas denitration desulfurizing tower, includes denitration section (3), desulfurization section (2) and dust removal section (1) that top-down distributed on the tower body, its characterized in that: pneumatic cyclone units (4) are arranged on the upper side of the denitration section (3), between the denitration section (3) and the desulfuration section (2), and between the desulfuration section (2) and the dust removal section (1), the side end of the pneumatic cyclone unit (4) is fixedly connected with the inner wall of the tower body, the left side end and the right side end of the dust removal section (1) are respectively provided with a flue gas inlet (5) and a desulfurization dust removal sewage outlet (6), the top end of the tower body is fixedly communicated with a clean flue gas outlet cylinder (7), the inner side of the clean flue gas outlet cylinder (7) is provided with an automatic dust removal mechanism, the automatic dust removing mechanism comprises a fixed frame (8), an electric telescopic rod (14) and a dust removing piece, the fixed frame (8) is fixedly connected on the inner wall of the tower body, the fixed frame (8) is connected with a flue gas sensor (17) with a controller, the dust removal piece is connected to the upper end of the fixed frame (8) through an electric telescopic rod (14).
2. The liquid-phase catalytic denitration and desulfurization tower for treating low-temperature flue gas according to claim 1, characterized in that: the dust removal piece includes activity dish (9), wide ring (10) and scraping ring (11), activity dish (9) are connected in the driving piece upper end, wide ring (10) are fixed cup joints in activity dish (9) lower extreme, scraping ring (11) fixed connection is in wide ring (10) lower extreme, it has a plurality of ventholes (12) to cut on wide ring (10).
3. The liquid-phase catalytic denitration and desulfurization tower for treating low-temperature flue gas as claimed in claim 2, is characterized in that: an extension tube (15) is sleeved outside the electric telescopic rod (14), and the upper end and the lower end of the extension tube (15) are respectively connected with the fixed frame (8) and the movable disc (9).
4. The liquid-phase catalytic denitration and desulfurization tower for treating low-temperature flue gas according to claim 3, characterized in that: the lower end of the movable disc (9) is provided with a thread groove, the thread groove is internally provided with an installation block (13) in a threaded connection mode, and the upper ends of the electric telescopic rod (14) and the telescopic pipe (15) are fixedly connected with the installation block (13).
5. The liquid-phase catalytic denitration and desulfurization tower for treating low-temperature flue gas according to claim 1, characterized in that: the joint of roof department has a plurality of stoppers (16) in clean flue gas goes out section of thick bamboo (7), and a plurality of stoppers (16) evenly arrange roof department in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921003241.6U CN210674785U (en) | 2019-07-01 | 2019-07-01 | Liquid phase catalysis method handles low temperature flue gas denitration desulfurizing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921003241.6U CN210674785U (en) | 2019-07-01 | 2019-07-01 | Liquid phase catalysis method handles low temperature flue gas denitration desulfurizing tower |
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| Publication Number | Publication Date |
|---|---|
| CN210674785U true CN210674785U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921003241.6U Active CN210674785U (en) | 2019-07-01 | 2019-07-01 | Liquid phase catalysis method handles low temperature flue gas denitration desulfurizing tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828142A (en) * | 2021-11-23 | 2021-12-24 | 东营联合石化有限责任公司 | High-flow-rate low-gas-separation desulfurization tower |
-
2019
- 2019-07-01 CN CN201921003241.6U patent/CN210674785U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828142A (en) * | 2021-11-23 | 2021-12-24 | 东营联合石化有限责任公司 | High-flow-rate low-gas-separation desulfurization tower |
| CN113828142B (en) * | 2021-11-23 | 2022-03-11 | 东营联合石化有限责任公司 | High-flow-rate low-gas-separation desulfurization tower |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220331 Address after: 610000 room 20, unit 4, building 3, No. 1, xiangmulin Road, Chenghua District, Chengdu, Sichuan Patentee after: Li Changlan Patentee after: Zhou Jianhong Address before: 362601 No. 505, Wushi village, Dapu Town, Yongchun County, Quanzhou City, Fujian Province Patentee before: Zheng Yongxin Effective date of registration: 20220331 Address after: 610400 Chengdu ABA Industrial Development Zone, Jintang County, Chengdu City, Sichuan Province Patentee after: SICHUAN HONGTU INDUSTRIAL Co.,Ltd. Address before: 610000 room 20, unit 4, building 3, No. 1, xiangmulin Road, Chenghua District, Chengdu, Sichuan Patentee before: Li Changlan Patentee before: Zhou Jianhong |
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| TR01 | Transfer of patent right |