CN109432976B - Modular condensation pre-charge grid - Google Patents
Modular condensation pre-charge grid Download PDFInfo
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- CN109432976B CN109432976B CN201910000989.9A CN201910000989A CN109432976B CN 109432976 B CN109432976 B CN 109432976B CN 201910000989 A CN201910000989 A CN 201910000989A CN 109432976 B CN109432976 B CN 109432976B
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- tower body
- desulfurizing tower
- annular water
- water inlet
- water outlet
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- 238000009833 condensation Methods 0.000 title claims abstract description 49
- 230000005494 condensation Effects 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000007921 spray Substances 0.000 claims description 13
- 238000006477 desulfuration reaction Methods 0.000 abstract description 51
- 230000023556 desulfurization Effects 0.000 abstract description 51
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 34
- 239000003546 flue gas Substances 0.000 description 34
- 239000002002 slurry Substances 0.000 description 13
- 239000007788 liquid Substances 0.000 description 10
- 230000005684 electric field Effects 0.000 description 9
- 239000003595 mist Substances 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
- B01D53/323—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00 by electrostatic effects or by high-voltage electric fields
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a modular condensation pre-charge grid, which comprises a condensation pre-charge grid body which is arranged in a desulfurizing tower body and is insulated from the desulfurizing tower body, wherein the condensation pre-charge grid body consists of a plurality of condensation pre-charge grid modules, and the condensation pre-charge grid module structure comprises: the annular water inlet header and the annular water outlet header are distributed on the left side and the right side, the annular water inlet header is communicated with a water inlet pipe which extends out of the desulfurizing tower body in an insulating sealing manner, the annular water outlet header is communicated with a water outlet pipe which extends out of the desulfurizing tower body in an insulating sealing manner, a plurality of condensing pipe heat exchange layers which are arranged at intervals up and down are arranged between the annular water inlet header and the annular water outlet header, each condensing pipe heat exchange layer consists of a plurality of condensing pipes which are distributed in a grid shape, and each condensing pipe is simultaneously communicated with the annular water inlet header and the annular water outlet header. The invention has the advantages that: integrates four functions of pre-charge, air flow adjustment, desulfurization, water saving and white elimination into a whole, and has good desulfurization effect.
Description
Technical Field
The invention relates to the technical field of flue gas desulfurization, in particular to a modular condensation pre-charge grid for a desulfurizing tower body.
Background
The problem of the atmospheric pollution in China is very serious, and the problems of the compound atmospheric pollution such as dust haze, photochemical smog, acid rain and the like are still more prominent. The comprehensive treatment strength of the atmospheric environment is improved, the national continuous discharge energy saving and emission reduction policies are increased, the control of the important industries such as coal-fired power plants, coal-fired industrial boilers and the like on the atmospheric pollutants is enhanced, and the flue gas desulfurization is listed in the treatment schedule. At present, wet desulfurization is generally adopted for desulfurizing flue gas, and the wet desulfurization technology has the advantages of high desulfurization efficiency, maturity, relatively abundant operation experience, strong practicability and the like, so that the wet desulfurization technology has become the most commonly used flue gas desulfurization technology. The wet desulfurization mainly comprises the step of spraying lime slurry for atomization desulfurization into a desulfurizing tower body to enable the lime slurry for atomization desulfurization to fully contact with flue gas SO as to achieve the purpose of removing SO2 in the flue gas. However, the wet desulfurization technology still has the problems of large spraying amount, large mist diameter, poor desulfurization effect, high operation cost and the like, and the problems become one of important factors which prevent the wet desulfurization technology from being widely applied in China.
Disclosure of Invention
The invention aims to provide a modular condensation pre-charge grid capable of improving the desulfurization effect of a desulfurization tower.
In order to achieve the above purpose, the invention adopts the following technical scheme: a modular condensation pre-charge grid, including installing in desulfurizing tower body's spray line group below and with desulfurizing tower body insulating condensation pre-charge grid body, condensation pre-charge grid body comprises a plurality of condensation pre-charge grid modules, condensation pre-charge grid module's structure includes: the annular water inlet boxes and the annular water outlet boxes are distributed on the left side and the right side, the annular water inlet boxes are communicated with a water inlet pipe extending out of the desulfurizing tower body, the water inlet pipe and the desulfurizing tower body are in insulating sealing, the annular water outlet boxes are communicated with a water outlet pipe extending out of the desulfurizing tower body, the water outlet pipe and the desulfurizing tower body are in insulating sealing, a plurality of condensing pipe heat exchange layers which are vertically arranged at intervals are arranged between the annular water inlet boxes and the annular water outlet boxes, each condensing pipe heat exchange layer consists of a plurality of condensing pipes which are distributed in a grid shape, and two ends of each condensing pipe are respectively communicated with the annular water inlet boxes and the annular water outlet boxes.
Further, a modular condensing pre-charge grid as described above, wherein: the bottom of the condensation pre-charge grid body is provided with supporting beams matched with the beam limiting brackets on the inner wall of the desulfurizing tower body, two ends of each supporting beam are respectively provided with an insulating cushion block, and the condensation pre-charge grid body is arranged in the desulfurizing tower body in an insulating manner by insulating the two ends of each supporting beam on the corresponding beam limiting brackets.
Further, a modular condensing pre-charge grid as described above, wherein: and a pipe supporting plate used for limiting and fixing each condensing pipe is also arranged on the condensation pre-charge grid body.
Further, a modular condensing pre-charge grid as described above, wherein: a first insulating sleeve is sleeved at the contact part of the water inlet pipe and the desulfurizing tower body, and the water inlet pipe is insulated and sealed with the desulfurizing tower body through the first insulating sleeve.
Further, a modular condensing pre-charge grid as described above, wherein: the part of the water outlet pipe, which is contacted with the desulfurizing tower body, is sleeved with a second insulating sleeve, and the water outlet pipe and the desulfurizing tower body are insulated and sealed by the second insulating sleeve.
Through implementation of the technical scheme, the invention has the beneficial effects that: (1) The electrostatic force can be matched with a high-voltage power supply and a spray pipe group to form a high-voltage electric field, SO that the desulfurization slurry fog drops sprayed by the spray pipe group are pre-charged, and when the fog drops are pre-charged, if the charge density carried on the surface of the fog drops is high enough, the electrostatic force can overcome the surface tension to cause the fog drops to break, thereby reducing the diameter of the fog drops, increasing the gas-liquid contact area and increasing the probability of absorbing SO 2; the charged polarities of the fog drops are the same and mutually repel, so that the distribution uniformity of the fog drops can be greatly improved, and the gas-liquid contact condition is further improved; meanwhile, the mist drops are charged to change the electron distribution, SO that the surface activity of the mist drops can be enhanced, the SO2 absorption rate is improved, the driving force in the absorption process is increased, meanwhile, as part of SO2 is consumed by chemical reaction in the process of diffusion in a liquid film, the mass transfer resistance is reduced, the absorption coefficient is increased, and the desulfurization efficiency is greatly improved; (2) When flue gas enters a high-voltage electric field from a condensation pre-charge grid, the original disordered airflow can be orderly airflow, the speed of the flue gas can be lowered, and the flue gas can be fully contacted with the pre-charged desulfurization slurry droplets, so that the desulfurization efficiency is improved; (3) The condenser pipe of each condenser pipe heat transfer layer of condensation pre-charge grid body can cool down desulfurization thick liquid droplet and flue gas, because the reduction of flue gas temperature, has prevented the production of vapor in the flue gas, furthest reduced export flue gas moisture content, has eliminated white cigarette and has generated the mechanism, has also reduced desulfurization moisturizing simultaneously, has practiced thrift the water resource to can more intensive mixing contact with the flue gas after desulfurization thick liquid droplet cooling down is abundant, has further improved desulfurization efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a modular condensing pre-charge grid according to the present invention.
Fig. 2 is an enlarged schematic view of the H site shown in fig. 1.
Fig. 3 is a schematic diagram of the structure in the top view of fig. 1.
Fig. 4 is a schematic view of the structure of the condensing pre-charge grid module shown in fig. 1.
Fig. 5 is a schematic structural view of a modular condensation pre-charge grid according to the present invention when installed in a desulfurizing tower body.
Fig. 6 is an enlarged schematic view of the C portion shown in fig. 5.
Fig. 7 is an enlarged schematic view of the portion D shown in fig. 5.
Fig. 8 is a schematic view of the structure of section A-A shown in fig. 5.
Fig. 9 is a schematic diagram showing the positional relationship between the beam limiting bracket and the supporting beam shown in the G portion of fig. 8.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
As shown in fig. 1,2,3, 4,5, 6, 7, 8 and 9, the modular condensation pre-charge grid includes a condensation pre-charge grid body 3 installed below the spray pipe group 2 in the desulfurizing tower body 1 and insulated from the desulfurizing tower body 1, the condensation pre-charge grid body 3 is composed of a plurality of condensation pre-charge grid modules 31, and the structure of the condensation pre-charge grid module 31 includes: the annular water inlet header 311 and the annular water outlet header 312 which are distributed on the left side and the right side are communicated with the water inlet pipe 313 which extends out of the desulfurizing tower body 1, a first insulating sleeve 314 is sleeved at the contact part of the water inlet pipe 313 and the desulfurizing tower body 1, the water inlet pipe 313 is insulated and sealed with the desulfurizing tower body 1 through the first insulating sleeve 314, the annular water outlet header 312 is communicated with a water outlet pipe 315 which extends out of the desulfurizing tower body 1, a second insulating sleeve 316 is sleeved at the contact part of the water outlet pipe 315 and the desulfurizing tower body 1, the water outlet pipe 315 is insulated and sealed with the desulfurizing tower body 1 through the second insulating sleeve 316, a plurality of condensing pipe heat exchange layers which are arranged at intervals up and down are arranged between the annular water inlet header 311 and the annular water outlet header 312, each condensing pipe heat exchange layer consists of a plurality of condensing pipes 317 which are distributed in a grid shape, and two ends of each condensing pipe 317 are respectively communicated with the annular water inlet header 311 and the annular water outlet header 312; in the embodiment, the bottom of the condensation pre-charge grid body 3 is provided with the supporting beams 5 which are matched with the beam limiting brackets 4 on the inner wall of the desulfurizing tower body 1, the two ends of each supporting beam 5 are respectively provided with the insulating cushion blocks 6, and the condensation pre-charge grid body 3 is installed in the desulfurizing tower body 1 in an insulating manner by placing the two ends of each supporting beam 5 on the corresponding beam limiting brackets 4 in an insulating manner, so that the modular condensation pre-charge grid can be installed in the desulfurizing tower body quickly and safely, and the assembling speed is greatly improved; in this embodiment, the condensation pre-charge grid body 3 is further provided with a pipe supporting plate 318 for limiting and fixing each condensation pipe 317 at the same time, so that each condensation pipe 317 can be prevented from shaking during the working process by the pipe supporting plate, and the running stability and the use safety of the device are improved;
The working principle of the invention is as follows:
When the desulfurization tower is used, the modular condensation pre-charge grid is firstly arranged on the inner wall of the desulfurization tower body below the spray pipe group 2 in the desulfurization tower body 1, then high voltage is applied to the two-stage modular condensation pre-charge grid and the spray pipe group 2 by the high voltage power supply 7, so that a high voltage electric field 8 capable of pre-charging desulfurization slurry mist drops sprayed out of the spray pipe group 2 is formed in the inner space of the desulfurization tower body between the spray pipe group 2 and the modular condensation pre-charge grid, then the flue gas after dust removal enters the desulfurization tower body 1 from the lower part of the desulfurization tower body 1, meanwhile, the spray pipe group 2 sprays desulfurization slurry mist drops downwards into the high voltage electric field 8, the desulfurization slurry mist drops sprayed into the high voltage electric field 8 are pre-charged by the high voltage electric field 8, the pre-charged desulfurization slurry mist drops are then contacted with upward flue gas to react with each other, the collection tank below the bottom outlet of the desulfurization tower body 1 is generated for recycling, and the flue gas after demisting is discharged out of the desulfurization tower body after demister 9; when flue gas enters a high-voltage electric field through each condensation pipe heat exchange layer of the condensation pre-charge grid body 3, original disordered airflow can be orderly airflow, the flue gas speed can be reduced, the flue gas can be fully contacted with desulfurization slurry droplets after pre-charge, and therefore desulfurization efficiency is improved, meanwhile, the condensation pipes 317 of each condensation pipe heat exchange layer of the condensation pre-charge grid body 3 can cool the desulfurization slurry droplets and the flue gas, due to reduction of the flue gas temperature, generation of water vapor in the flue gas is prevented, the moisture content of outlet flue gas is furthest reduced, a white flue gas generation mechanism is eliminated, desulfurization water supplementing is reduced, water resources are saved, and the desulfurization slurry droplets can be fully mixed and contacted with the flue gas after cooling, and further the desulfurization efficiency is improved.
The invention has the advantages that: (1) The electrostatic force can be matched with a high-voltage power supply and a spray pipe group to form a high-voltage electric field, SO that the desulfurization slurry fog drops sprayed by the spray pipe group are pre-charged, and when the fog drops are pre-charged, if the charge density carried on the surface of the fog drops is high enough, the electrostatic force can overcome the surface tension to cause the fog drops to break, thereby reducing the diameter of the fog drops, increasing the gas-liquid contact area and increasing the probability of absorbing SO 2; the charged polarities of the fog drops are the same and mutually repel, so that the distribution uniformity of the fog drops can be greatly improved, and the gas-liquid contact condition is further improved; meanwhile, the mist drops are charged to change the electron distribution, SO that the surface activity of the mist drops can be enhanced, the SO2 absorption rate is improved, the driving force in the absorption process is increased, meanwhile, as part of SO2 is consumed by chemical reaction in the process of diffusion in a liquid film, the mass transfer resistance is reduced, the absorption coefficient is increased, and the desulfurization efficiency is greatly improved; (2) When flue gas enters a high-voltage electric field from a condensation pre-charge grid, the original disordered airflow can be orderly airflow, the speed of the flue gas can be lowered, and the flue gas can be fully contacted with the pre-charged desulfurization slurry droplets, so that the desulfurization efficiency is improved; (3) The condenser pipe of each condenser pipe heat transfer layer of condensation pre-charge grid body can cool down desulfurization thick liquid droplet and flue gas, because the reduction of flue gas temperature, has prevented the production of vapor in the flue gas, furthest reduced export flue gas moisture content, has eliminated white cigarette and has generated the mechanism, has also reduced desulfurization moisturizing simultaneously, has practiced thrift the water resource to can more intensive mixing contact with the flue gas after desulfurization thick liquid droplet cooling down is abundant, has further improved desulfurization efficiency.
Claims (1)
1. A modular condensing pre-charge grid, characterized by: including installing in desulfurizing tower body spray pipe group below and with desulfurizing tower body insulating condensation pre-charge grid body, condensation pre-charge grid body comprises a plurality of condensation pre-charge grid modules, condensation pre-charge grid module's structure includes: the annular water inlet boxes and the annular water outlet boxes are distributed on the left side and the right side, the annular water inlet boxes are communicated with a water inlet pipe extending out of the desulfurizing tower body, the water inlet pipe and the desulfurizing tower body are in insulating sealing, the annular water outlet boxes are communicated with a water outlet pipe extending out of the desulfurizing tower body, the water outlet pipe and the desulfurizing tower body are in insulating sealing, a plurality of condensing pipe heat exchange layers which are vertically arranged at intervals are arranged between the annular water inlet boxes and the annular water outlet boxes, each condensing pipe heat exchange layer consists of a plurality of condensing pipes which are distributed in a grid shape, and two ends of each condensing pipe are respectively communicated with the annular water inlet boxes and the annular water outlet boxes;
The bottom of the condensation pre-charge grid body is provided with supporting beams which are matched with beam limiting brackets on the inner wall of the desulfurizing tower body, two ends of each supporting beam are respectively provided with an insulating cushion block, and the condensation pre-charge grid body is installed in the desulfurizing tower body in an insulating way by placing two ends of each supporting beam on the corresponding beam limiting brackets in an insulating way; the condensation pre-charge grid body is also provided with a pipe supporting plate for limiting and fixing all the condensation pipes at the same time; a first insulating sleeve is sleeved at the contact part of the water inlet pipe and the desulfurizing tower body, and the water inlet pipe is insulated and sealed with the desulfurizing tower body through the first insulating sleeve; the part of the water outlet pipe, which is contacted with the desulfurizing tower body, is sleeved with a second insulating sleeve, and the water outlet pipe and the desulfurizing tower body are insulated and sealed by the second insulating sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910000989.9A CN109432976B (en) | 2019-01-02 | 2019-01-02 | Modular condensation pre-charge grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910000989.9A CN109432976B (en) | 2019-01-02 | 2019-01-02 | Modular condensation pre-charge grid |
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| Publication Number | Publication Date |
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| CN109432976A CN109432976A (en) | 2019-03-08 |
| CN109432976B true CN109432976B (en) | 2024-06-11 |
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| CN201910000989.9A Active CN109432976B (en) | 2019-01-02 | 2019-01-02 | Modular condensation pre-charge grid |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480263A (en) * | 2013-10-17 | 2014-01-01 | 江苏欧超环保科技有限公司 | Pre-charge spraying desulfurization and dust removal device |
| CN105056718A (en) * | 2015-07-27 | 2015-11-18 | 航天环境工程有限公司 | High-efficiency water-saving wet desulphurization absorption tower and application thereof |
| CN105214331A (en) * | 2015-10-28 | 2016-01-06 | 航天环境工程有限公司 | A kind of high-efficiency condensation tube bank demister and application |
| CN105688581A (en) * | 2016-04-01 | 2016-06-22 | 中国大唐集团科学技术研究院有限公司 | Liquid film dedusting device and desulfurizer dedusting rectification system with same |
| CN106861400A (en) * | 2017-03-07 | 2017-06-20 | 张西珍 | The double pressure desulfurizing towers of gas-water separation formula and annular mobile brick and tile kiln |
| CN209549125U (en) * | 2019-01-02 | 2019-10-29 | 江苏龙净节能科技有限公司 | A kind of modular condensation pre electrified grid |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10132582C1 (en) * | 2001-07-10 | 2002-08-08 | Karlsruhe Forschzent | System for electrostatically cleaning gas and method for operating the same |
-
2019
- 2019-01-02 CN CN201910000989.9A patent/CN109432976B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480263A (en) * | 2013-10-17 | 2014-01-01 | 江苏欧超环保科技有限公司 | Pre-charge spraying desulfurization and dust removal device |
| CN105056718A (en) * | 2015-07-27 | 2015-11-18 | 航天环境工程有限公司 | High-efficiency water-saving wet desulphurization absorption tower and application thereof |
| CN105214331A (en) * | 2015-10-28 | 2016-01-06 | 航天环境工程有限公司 | A kind of high-efficiency condensation tube bank demister and application |
| CN105688581A (en) * | 2016-04-01 | 2016-06-22 | 中国大唐集团科学技术研究院有限公司 | Liquid film dedusting device and desulfurizer dedusting rectification system with same |
| CN106861400A (en) * | 2017-03-07 | 2017-06-20 | 张西珍 | The double pressure desulfurizing towers of gas-water separation formula and annular mobile brick and tile kiln |
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| CN109432976A (en) | 2019-03-08 |
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