CN208032267U - A kind of safe and efficient desulfurizing tower - Google Patents
A kind of safe and efficient desulfurizing tower Download PDFInfo
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- CN208032267U CN208032267U CN201721909127.0U CN201721909127U CN208032267U CN 208032267 U CN208032267 U CN 208032267U CN 201721909127 U CN201721909127 U CN 201721909127U CN 208032267 U CN208032267 U CN 208032267U
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- 230000003009 desulfurizing effect Effects 0.000 title 1
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 63
- 230000023556 desulfurization Effects 0.000 claims abstract description 61
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 239000011229 interlayer Substances 0.000 claims abstract description 15
- 238000009423 ventilation Methods 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 18
- 239000002699 waste material Substances 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 49
- 239000002440 industrial waste Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 239000003546 flue gas Substances 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
本实用新型是一种安全高效的脱硫塔，包括塔体，其特征在于，所述塔体的内侧壁设有夹层，所述雾化喷头贯穿所述夹层与所述塔体的内部连通，所述气体分布盘的下方倾斜设有过滤网所述塔体的侧壁底部水平安有脱硫液进管。本实用新型结构设计合理，操作简便，通过设置带有折形通气孔道的第一栅板和第二栅板，使工业废气在塔内进行折流，烟气经第一栅板和第二栅板后湍流加速脱硫，进而提高了脱硫效率，同时减少了脱硫塔的高度，减小了维修时的安全隐患，进而减少了占用的空间，通过设置气体分布盘使得工业废气排布均匀，采用雾化喷头和雾化喷嘴配合使用，使得脱硫液与工业废气充分接触，提高了脱硫效果。
The utility model is a safe and efficient desulfurization tower, which includes a tower body, and is characterized in that an interlayer is provided on the inner side wall of the tower body, and the atomizing nozzle penetrates through the interlayer and communicates with the inside of the tower body, so that A filter screen is installed obliquely below the gas distribution plate, and a desulfurization liquid inlet pipe is installed horizontally at the bottom of the side wall of the tower body. The utility model has reasonable structural design and easy operation. By setting the first grid plate and the second grid plate with folded ventilation holes, the industrial waste gas is baffled in the tower, and the flue gas passes through the first grid plate and the second grid plate. The turbulent flow behind the plate accelerates desulfurization, thereby improving the desulfurization efficiency. At the same time, the height of the desulfurization tower is reduced, the safety hazard during maintenance is reduced, and the occupied space is reduced. The industrial waste gas is evenly distributed by setting the gas distribution plate. The combined use of spray nozzles and atomizing nozzles makes the desulfurization liquid fully contact with the industrial waste gas and improves the desulfurization effect.
Description
技术领域technical field
本实用新型涉及烟气脱硫设备技术领域，尤其涉及一种安全高效的脱硫塔。The utility model relates to the technical field of flue gas desulfurization equipment, in particular to a safe and efficient desulfurization tower.
背景技术Background technique
随着大气污染形势越来越严峻，国家的环保标准要求也越来越严，在大气污染问题中，PM2.5及酸雨的主要气体成分就是二氧化硫气体，在工厂工业废气排放中，需要对二氧化硫气体进行有效的脱硫处理后才能排放，脱硫塔就是一种高效吸收二氧化硫气体的设备，传统使用的脱硫塔的塔高相对较高，占用空间大，维修时存在一定的安全隐患，在对工业废气进行脱硫处理时，工业废气排布不均，脱硫液与工业废气不能充分接触，使得脱硫效果不理想而且脱硫速度较低，严重影响着脱硫效率。As the air pollution situation becomes more and more serious, the national environmental protection standards are becoming more and more stringent. In the air pollution problem, the main gas component of PM2.5 and acid rain is sulfur dioxide gas. In the industrial waste gas discharge of factories, it is necessary to treat sulfur dioxide The gas can only be discharged after effective desulfurization treatment. The desulfurization tower is a kind of equipment for efficiently absorbing sulfur dioxide gas. The tower height of the traditionally used desulfurization tower is relatively high and takes up a large space. There are certain safety hazards during maintenance. During desulfurization treatment, the distribution of industrial waste gas is uneven, and the desulfurization liquid and industrial waste gas cannot be fully contacted, resulting in unsatisfactory desulfurization effect and low desulfurization speed, which seriously affects the desulfurization efficiency.
发明内容Contents of the invention
本实用新型旨在解决现有技术的不足，而提供一种安全高效的脱硫塔。The utility model aims to solve the deficiencies of the prior art and provide a safe and efficient desulfurization tower.
本实用新型为实现上述目的，采用以下技术方案：In order to achieve the above object, the utility model adopts the following technical solutions:
一种安全高效的脱硫塔，包括塔体，其特征在于，所述塔体的内侧壁设有夹层，所述夹层内设有蛇形套置的脱硫液循环管，所述脱硫液循环管的进液端设有吸水泵并且位于所述塔体的底部内侧，所述塔体的顶端外侧竖直设有出气烟囱，所述出气烟囱的下方设有除雾层，所述除雾层为拉西环填料层，所述除雾层安装在所述塔体的内部顶端，所述塔体的内部下方水平安有气体分布盘，所述气体分布盘固定安装在所述塔体的内壁上并与所述塔体的内壁相适配，所述气体分布盘与所述除雾层平行设置，所述气体分布盘的下表面的进气口处连有进气管，所述进气管的一端贯穿所述塔体的侧壁与外界储气设备相连，位于所述除雾层与所述气体分布盘之间的所述脱硫液循环管上均布有若干雾化喷头和上下水平设置的连接管道，所述雾化喷头贯穿所述夹层与所述塔体的内部连通，所述连接管道上下平行交错设置在所述塔体的内部，所述连接管道的一端与所述脱硫液循环管相连通，所述连接管道的另一端贯穿所述夹层与所述气体分布盘平行设置，所述连接管道的下方均布有若干雾化喷嘴，所述雾化喷嘴固定连接在所述连接管道的下表面，所述雾化喷嘴的进液口与所述连接管道连通，上下两个所述连接管道之间设有第二栅板，下方所述连接管道与所述气体分布盘之间设有第一栅板，所述第一栅板和所述第二栅板均固定安装在所述塔体的内壁上，所述第一栅板和所述第二栅板内均竖直设有若干折形通气孔道，所述第一栅板上的所述通气孔道均与所述气体分布盘的通孔连通，所述气体分布盘的下方倾斜设有过滤网，所述过滤网固定连接在所述塔体的内壁上，所述过滤网的下表面连有防水振动器，所述过滤网较低的一端贯穿所述塔体的外壁连有废渣收集箱，所述废渣收集箱固定安装在所述塔体的外壁上，与所述废渣收集箱相对的所述塔体的侧壁上安有液位计，所述塔体的侧壁底部水平安有脱硫液进管。A safe and efficient desulfurization tower, including a tower body, is characterized in that an interlayer is provided on the inner side wall of the tower body, and a serpentine desulfurization liquid circulation pipe is arranged inside the interlayer, and the desulfurization liquid circulation pipe of the desulfurization liquid circulation pipe The liquid inlet end is provided with a water suction pump and is located inside the bottom of the tower body. A gas outlet chimney is vertically arranged on the outside of the top of the tower body. A demister layer is provided below the gas outlet chimney. West ring packing layer, the demisting layer is installed on the inner top of the tower body, a gas distribution plate is installed horizontally under the inner part of the tower body, and the gas distribution plate is fixedly installed on the inner wall of the tower body and Compatible with the inner wall of the tower body, the gas distribution plate is arranged parallel to the demisting layer, the air inlet of the lower surface of the gas distribution plate is connected with an air intake pipe, and one end of the air intake pipe runs through The side wall of the tower body is connected to the external gas storage equipment, and the desulfurization liquid circulation pipe between the demisting layer and the gas distribution plate is evenly distributed with a number of atomizing nozzles and connecting pipes arranged horizontally up and down , the atomizing nozzle passes through the interlayer and communicates with the inside of the tower body, the connecting pipes are arranged in parallel and staggered up and down inside the tower body, and one end of the connecting pipes communicates with the desulfurization liquid circulation pipe , the other end of the connecting pipe runs through the interlayer and is arranged parallel to the gas distribution plate, a number of atomizing nozzles are evenly distributed under the connecting pipe, and the atomizing nozzles are fixedly connected to the lower surface of the connecting pipe , the liquid inlet of the atomizing nozzle communicates with the connecting pipe, a second grid plate is arranged between the upper and lower connecting pipes, and a first grid plate is arranged between the connecting pipe below and the gas distribution plate. grid, the first grid and the second grid are fixedly installed on the inner wall of the tower body, the first grid and the second grid are vertically provided with a number of folding Ventilation holes, the ventilation holes on the first grid plate are all in communication with the through holes of the gas distribution plate, and a filter screen is installed obliquely below the gas distribution plate, and the filter screen is fixedly connected to the tower On the inner wall of the body, the lower surface of the filter screen is connected with a waterproof vibrator, and the lower end of the filter screen passes through the outer wall of the tower body and is connected with a waste residue collection box, and the waste residue collection box is fixedly installed on the tower body. On the outer wall of the tower body, a liquid level gauge is installed on the side wall of the tower body opposite to the waste residue collection box, and a desulfurization liquid inlet pipe is installed horizontally at the bottom of the side wall of the tower body.
所述气体分布盘为若干波纹片组装而成的盘式结构。The gas distribution disc is a disc structure assembled from several corrugated sheets.
所述脱硫液进管和所述进气管的管路上均设有阀门开关。Valve switches are provided on the pipelines of the desulfurization liquid inlet pipe and the air inlet pipe.
本实用新型的有益效果是：本实用新型结构设计合理，操作简便，通过设置带有折形通气孔道的第一栅板和第二栅板，使工业废气在塔内进行折流，烟气经第一栅板和第二栅板后湍流加速脱硫，进而提高了脱硫效率，同时减少了脱硫塔的高度，减小了维修时的安全隐患，进而减少了占用的空间，通过设置气体分布盘使得工业废气排布均匀，采用雾化喷头和雾化喷嘴配合使用，使得脱硫液与工业废气充分接触，提高了脱硫效果。The beneficial effects of the utility model are: the utility model has a reasonable structural design and is easy to operate. By setting the first grid plate and the second grid plate with folded ventilation holes, the industrial waste gas is baffled in the tower, and the flue gas passes through the tower. The turbulent flow behind the first grid and the second grid accelerates desulfurization, thereby improving the desulfurization efficiency, reducing the height of the desulfurization tower, reducing the safety hazard during maintenance, and reducing the occupied space. The industrial exhaust gas is evenly distributed, and the atomizing nozzle and atomizing nozzle are used together to make the desulfurization liquid fully contact with the industrial exhaust gas and improve the desulfurization effect.
附图说明Description of drawings
图1为本实用新型的结构示意图；Fig. 1 is the structural representation of the utility model;
图中：1-塔体；2-夹层；3-雾化喷头；4-连接管道；5-雾化喷嘴；6-第一栅板；7-气体分布盘；8-通气孔道；9-废渣收集箱；10-脱硫液进管；11-脱硫液循环管；12-除雾层；13-出气烟囱；14-第二栅板；15-进气管；16-液位计；17-过滤网；In the figure: 1-tower body; 2-interlayer; 3-atomizing nozzle; 4-connecting pipe; 5-atomizing nozzle; 6-first grid plate; 7-gas distribution plate; Collection box; 10-desulfurization liquid inlet pipe; 11-desulfurization liquid circulation pipe; 12-defogging layer; 13-outlet chimney; 14-second grid plate; 15-intake pipe; ;
以下将结合本实用新型的实施例参照附图进行详细叙述。The following will be described in detail in conjunction with the embodiments of the present invention with reference to the accompanying drawings.
具体实施方式Detailed ways
下面结合附图和实施例对本实用新型作进一步说明：Below in conjunction with accompanying drawing and embodiment the utility model is further described:
如图1所示，一种安全高效的脱硫塔，包括塔体1，其特征在于，所述塔体1的内侧壁设有夹层2，所述夹层2内设有蛇形套置的脱硫液循环管11，所述脱硫液循环管11的进液端设有吸水泵并且位于所述塔体1的底部内侧，所述塔体1的顶端外侧竖直设有出气烟囱13，所述出气烟囱13的下方设有除雾层12，所述除雾层12为拉西环填料层，所述除雾层12安装在所述塔体1的内部顶端，所述塔体1的内部下方水平安有气体分布盘7，所述气体分布盘7固定安装在所述塔体1的内壁上并与所述塔体1的内壁相适配，所述气体分布盘7与所述除雾层12平行设置，所述气体分布盘7的下表面的进气口处连有进气管15，所述进气管15的一端贯穿所述塔体1的侧壁与外界储气设备相连，位于所述除雾层12与所述气体分布盘7之间的所述脱硫液循环管11上均布有若干雾化喷头3和上下水平设置的连接管道4，所述雾化喷头3贯穿所述夹层2与所述塔体1的内部连通，所述连接管道4上下平行交错设置在所述塔体1的内部，所述连接管道4的一端与所述脱硫液循环管11相连通，所述连接管道4的另一端贯穿所述夹层2与所述气体分布盘7平行设置，所述连接管道4的下方均布有若干雾化喷嘴5，所述雾化喷嘴5固定连接在所述连接管道4的下表面，所述雾化喷嘴5的进液口与所述连接管道4连通，上下两个所述连接管道4之间设有第二栅板14，下方所述连接管道4与所述气体分布盘7之间设有第一栅板6，所述第一栅板6和所述第二栅板14均固定安装在所述塔体1的内壁上，所述第一栅板6和所述第二栅板14内均竖直设有若干折形通气孔道8，所述第一栅板6上的所述通气孔道8均与所述气体分布盘7的通孔连通，所述气体分布盘7的下方倾斜设有过滤网17，所述过滤网17固定连接在所述塔体1的内壁上，所述过滤网17的下表面连有防水振动器，所述过滤网17较低的一端贯穿所述塔体1的外壁连有废渣收集箱9，所述废渣收集箱9固定安装在所述塔体1的外壁上，与所述废渣收集箱9相对的所述塔体1的侧壁上安有液位计16，所述塔体1的侧壁底部水平安有脱硫液进管10。As shown in Figure 1, a safe and efficient desulfurization tower includes a tower body 1, which is characterized in that an interlayer 2 is provided on the inner wall of the tower body 1, and a desulfurization liquid nested in a serpentine shape is arranged inside the interlayer 2. Circulation pipe 11, the liquid inlet end of the desulfurization liquid circulation pipe 11 is provided with a water suction pump and is located inside the bottom of the tower body 1, and a gas outlet chimney 13 is vertically provided outside the top of the tower body 1, and the gas outlet chimney 13 is provided with a defogging layer 12, the defogging layer 12 is a Raschig ring packing layer, the defogging layer 12 is installed on the inner top of the tower body 1, and the inner lower part of the tower body 1 is horizontally installed There is a gas distribution plate 7, the gas distribution plate 7 is fixedly installed on the inner wall of the tower body 1 and adapted to the inner wall of the tower body 1, the gas distribution plate 7 is parallel to the demister layer 12 Set, the air inlet of the lower surface of the gas distribution plate 7 is connected with an air inlet pipe 15, and one end of the air inlet pipe 15 passes through the side wall of the tower body 1 and is connected with the external gas storage equipment, and is located in the demister The desulfurization liquid circulation pipe 11 between the layer 12 and the gas distribution plate 7 is evenly distributed with a number of atomizing nozzles 3 and connecting pipes 4 arranged horizontally up and down, and the atomizing nozzles 3 run through the interlayer 2 and the The interior of the tower body 1 is connected, and the connecting pipes 4 are arranged in parallel and staggered up and down inside the tower body 1. One end of the connecting pipes 4 communicates with the desulfurization liquid circulation pipe 11, and the connecting pipes 4 The other end runs through the interlayer 2 and is arranged in parallel with the gas distribution plate 7, a number of atomizing nozzles 5 are evenly distributed under the connecting pipe 4, and the atomizing nozzles 5 are fixedly connected to the lower surface of the connecting pipe 4 , the liquid inlet of the atomizing nozzle 5 communicates with the connecting pipe 4, a second grid plate 14 is arranged between the upper and lower connecting pipes 4, and the connecting pipe 4 below and the gas distribution plate 7 There is a first grid plate 6 between them, and both the first grid plate 6 and the second grid plate 14 are fixedly installed on the inner wall of the tower body 1, and the first grid plate 6 and the second grid plate 14 are fixedly installed on the inner wall of the tower body 1. A number of folded ventilation channels 8 are vertically arranged in the grid plate 14, and the ventilation channels 8 on the first grid plate 6 are all communicated with the through holes of the gas distribution plate 7, and the gas distribution plate 7’s A filter screen 17 is arranged obliquely below, and the filter screen 17 is fixedly connected on the inner wall of the tower body 1. The lower surface of the filter screen 17 is connected with a waterproof vibrator, and the lower end of the filter screen 17 runs through the The outer wall of the tower body 1 is connected with a waste residue collection box 9, and the waste residue collection box 9 is fixedly installed on the outer wall of the tower body 1, and is installed on the side wall of the tower body 1 opposite to the waste residue collection box 9. There is a liquid level gauge 16, and a desulfurization liquid inlet pipe 10 is installed horizontally at the bottom of the side wall of the tower body 1 .
所述气体分布盘7为若干波纹片组装而成的盘式结构。The gas distribution disc 7 is a disc structure assembled from several corrugated sheets.
所述脱硫液进管10和所述进气管15的管路上均设有阀门开关。Valve switches are provided on the pipelines of the desulfurization liquid inlet pipe 10 and the inlet pipe 15 .
本实用新型使用前，脱硫液由脱硫液进管10加入塔体1内，根据液位计16的示数停止加入并关闭脱硫液进管10管路上的阀门开关，启动脱硫液循环管11内的吸水泵，工业废气由进气管15通过气体分布盘7加入塔体1内，工业废气经气体分布盘7排布均匀，依次通过第一栅板6和第二栅板14内的折形通气孔道8，使工业废气在塔内进行折流，经第一栅板6和第二栅板14后湍流加速脱硫，进而提高了脱硫效率，同时减少了脱硫塔的高度，减小了维修时的安全隐患，同时雾化喷头3和雾化喷嘴5将脱硫液雾化后与工业废气进行充分接触，提高了脱硫效果，脱硫后的工业废气经除雾层12由出气烟囱13排出，经第一栅板6和第二栅板14冷凝后的脱硫液经过滤网17流入塔体1的底部，然后经脱硫液循环管11内的吸水泵进行循环利用，脱硫结束后，脱硫液与工业废气接触后产生的废渣落到过滤网17上，启动振动器，将废渣收集到废渣收集箱9内，本实用新型结构设计合理，操作简便。Before the utility model is used, the desulfurization liquid is added into the tower body 1 through the desulfurization liquid inlet pipe 10, the addition is stopped according to the indication of the liquid level gauge 16 and the valve switch on the desulfurization liquid inlet pipe 10 is closed, and the desulfurization liquid circulation pipe 11 is started. The industrial waste gas is injected into the tower body 1 through the gas distribution plate 7 through the air inlet pipe 15. The industrial waste gas is evenly distributed through the gas distribution plate 7, and passes through the folded ventilation holes in the first grid plate 6 and the second grid plate 14 in turn. The tunnel 8 makes the industrial waste gas baffle in the tower, and after passing through the first grid plate 6 and the second grid plate 14, the turbulent flow accelerates the desulfurization, thereby improving the desulfurization efficiency, reducing the height of the desulfurization tower, and reducing the maintenance time. Potential safety hazard. At the same time, the atomizing nozzle 3 and the atomizing nozzle 5 fully contact the desulfurization liquid after atomizing the desulfurization liquid and the industrial waste gas, which improves the desulfurization effect. The desulfurization liquid condensed by the grid plate 6 and the second grid plate 14 flows into the bottom of the tower body 1 through the filter screen 17, and then circulates through the suction pump in the desulfurization liquid circulation pipe 11. After the desulfurization is completed, the desulfurization liquid is in contact with the industrial waste gas The waste slag produced last falls on the filter screen 17, and the vibrator is started to collect the waste slag in the waste slag collection box 9. The utility model has reasonable structural design and is easy to operate.
上面结合附图对本实用新型进行了示例性描述，显然本实用新型具体实现并不受上述方式的限制，只要采用了本实用新型的方法构思和技术方案进行的各种改进，或未经改进直接应用于其它场合的，均在本实用新型的保护范围之内。The utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned method, as long as various improvements of the method concept and technical solutions of the utility model are adopted, or the utility model can be directly implemented without improvement. Those applied to other occasions are all within the protection scope of the present utility model.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109908757A (en) * | 2019-04-18 | 2019-06-21 | 国电环境保护研究院有限公司 | A kind of carbon base catalyst regenerating unit and regeneration method |
| CN111514598A (en) * | 2020-05-09 | 2020-08-11 | 北京翰东环境工程有限公司 | High-efficiency energy-saving ammonia water gasification device |
| CN112107986A (en) * | 2020-09-23 | 2020-12-22 | 浙江丝远纺织股份有限公司 | Add stretch yarn chemical fiber exhaust treatment device |
| CN113007140A (en) * | 2021-04-13 | 2021-06-22 | 德耐尔能源装备有限公司 | Cooler drainage structure of centrifugal compressor |
| CN113413750A (en) * | 2021-07-23 | 2021-09-21 | 山东恒科环保设备有限公司 | Brick kiln tail gas desulfurization dust removal ultra-clean integrated device |
| CN115212705A (en) * | 2022-08-23 | 2022-10-21 | 三元控股集团杭州热电有限公司 | High-efficient desulfurizing tower |
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2017
- 2017-12-30 CN CN201721909127.0U patent/CN208032267U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908757A (en) * | 2019-04-18 | 2019-06-21 | 国电环境保护研究院有限公司 | A kind of carbon base catalyst regenerating unit and regeneration method |
| CN111514598A (en) * | 2020-05-09 | 2020-08-11 | 北京翰东环境工程有限公司 | High-efficiency energy-saving ammonia water gasification device |
| CN112107986A (en) * | 2020-09-23 | 2020-12-22 | 浙江丝远纺织股份有限公司 | Add stretch yarn chemical fiber exhaust treatment device |
| CN113007140A (en) * | 2021-04-13 | 2021-06-22 | 德耐尔能源装备有限公司 | Cooler drainage structure of centrifugal compressor |
| CN113413750A (en) * | 2021-07-23 | 2021-09-21 | 山东恒科环保设备有限公司 | Brick kiln tail gas desulfurization dust removal ultra-clean integrated device |
| CN115212705A (en) * | 2022-08-23 | 2022-10-21 | 三元控股集团杭州热电有限公司 | High-efficient desulfurizing tower |
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