CN212818998U - Production system for preparing sodium carbonate by recycling desulfurized flue gas - Google Patents
Production system for preparing sodium carbonate by recycling desulfurized flue gas Download PDFInfo
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- CN212818998U CN212818998U CN202020698559.7U CN202020698559U CN212818998U CN 212818998 U CN212818998 U CN 212818998U CN 202020698559 U CN202020698559 U CN 202020698559U CN 212818998 U CN212818998 U CN 212818998U
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Abstract
The utility model relates to a soda production technical field especially relates to a retrieve production system of desulfurization flue gas preparation soda, including the absorption tower, the air inlet intercommunication desulfurization flue gas pipeline of absorption tower, the absorption liquid export intercommunication desorber of absorption tower, the gas outlet intercommunication cleaning tower of desorber, the desorption liquid export intercommunication absorption tower's of desorber inlet, the inlet intercommunication ammoniacal liquor pipeline of cleaning tower, the leakage fluid dram intercommunication buffer tank of cleaning tower, the export intercommunication system soda tower of buffer tank. The production system can reduce the consumption of calcium carbonate in the production of soda ash, reduce the production cost and increase the benefit for enterprises.
Description
Technical Field
The utility model relates to a soda production technical field especially relates to a retrieve production system of desulfurization flue gas preparation soda.
Background
The existing preparation method of soda ash is mainly ammonia-soda process, and is characterized by that it uses raw salt and limestone as raw material, and the raw salt must be firstly dissolved into saturated salt water, then the impurities of calcium and magnesium, etc. are removed, then the ammonia is absorbed to obtain ammonia salt water, then the ammonia salt water is carbonized to obtain heavy soda whose solubility is small, and after filtering, the heavy soda is calcined into soda ash. The limestone is mainly calcined to prepare lime milk for removing impurities such as calcium, magnesium and the like, and then the generated gas is compressed to form the required compressed gas which is mainly used for preparing alkali. At present, China is in CO2And during the rising period of emission, the emission of the fossil fuel power plant is still dominant, and if the carbon dioxide in the emitted flue gas is captured for producing the soda ash, the production cost of the soda ash can be reduced, and the benefit of enterprises is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: aiming at the defects of the prior art, the production system for preparing the soda ash by recycling the desulfurized flue gas is provided, the consumption of limestone in the production of the soda ash can be reduced by utilizing the production system, the production cost is reduced, and the benefit is increased for enterprises.
In order to solve the technical problem, the technical scheme of the utility model is that:
the utility model provides a retrieve production system of desulfurization flue gas preparation soda, includes the absorption tower, the air inlet intercommunication desulfurization flue gas pipeline of absorption tower, the absorption liquid export intercommunication desorber of absorption tower, the gas outlet intercommunication cleaning tower of desorber, the desorption liquid export intercommunication absorption tower's of desorber inlet, the inlet intercommunication ammoniacal liquor pipeline of cleaning tower, the leakage fluid dram intercommunication buffer tank of cleaning tower, the export intercommunication system alkali tower of buffer tank.
As an improved technical scheme, the absorption tower comprises a tower body, wherein an air inlet is formed in one side of the bottom of the tower body, and an air distribution device communicated with the air inlet is arranged below the interior of the tower body; the inside top of tower body is equipped with the alkali lye import, the inside top of tower body be equipped with the spray set that the alkali lye import is linked together, the spray set below is equipped with the multilayer packing layer.
As an improved technical scheme, the gas distribution device comprises a body, the inside of the body is of a hollow structure, the bottom of the body is provided with a gas inlet, and the upper surface of the body is provided with a plurality of gas distribution holes.
As an improved technical scheme, the spraying device comprises a spraying pipe and a spray head communicated with the spraying pipe.
As a modified technical scheme, the desorber includes the tower body, the top of tower body is equipped with the gas outlet, upper portion one side of tower body is equipped with the absorption liquid import, bottom one side of tower body is equipped with steam inlet, the bottom opposite side of tower body is equipped with the liquid outlet, the inside of tower body be equipped with the liquid distributor that the absorption liquid import is linked together, the below of liquid distributor is equipped with the multilayer sieve, be equipped with a plurality of sieve meshes on the sieve.
As an improved technical scheme, the liquid distributor comprises a body, wherein the body is of a hollow structure, a liquid inlet is formed in the upper portion of the body, and a plurality of liquid distribution holes are formed in the lower surface of the body.
As an improved technical scheme, the position that the inside below of tower body is close to the air inlet is equipped with two-layer spoiler at least, the spoiler sets up in turn in the inner wall both sides of tower body, just be equipped with multiseriate zigzag arch on the spoiler, be equipped with a plurality of vortex holes between the arch in adjacent two.
As an improved technical scheme, the cleaning tower comprises a tower body, an air inlet is formed in one side of the lower portion of the tower body, an ammonia brine inlet is formed in one side of the upper portion of the tower body, a liquid distributor communicated with the ammonia brine inlet is arranged above the inner portion of the cleaning tower, a plurality of layers of sieve plates are arranged below the liquid distributor, a plurality of sieve holes are formed in the sieve plates, a hood is arranged above each layer of sieve plate, and a spoiler is arranged below the inner portion of the tower body.
As an improved technical scheme, the liquid distributor comprises a body, a liquid inlet is arranged above the body, the body is of a hollow structure, a plurality of liquid distribution pipes communicated with the body are arranged below the body, and a plurality of liquid distribution holes are formed in the liquid distribution pipes.
As a modified technical scheme, the spoiler slope sets up the inside below at the tower body, be equipped with multiseriate vortex portion on the spoiler, it is protruding to be equipped with a plurality of triangles in the vortex portion, and adjacent two are equipped with a plurality of gas distribution holes between the vortex portion.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
the production system for preparing the soda ash by recycling the desulfurized flue gas comprises an absorption tower, wherein a gas inlet of the absorption tower is communicated with a desulfurized flue gas pipeline, an absorption liquid outlet of the absorption tower is communicated with a desorption tower, a gas outlet of the desorption tower is communicated with a cleaning tower, a desorption liquid outlet of the desorption tower is communicated with a liquid inlet of the absorption tower, a liquid inlet of the cleaning tower is communicated with an ammonia brine pipeline, a liquid outlet of the cleaning tower is communicated with a buffer tank, and an outlet of the buffer tank is communicated with a soda production tower. In the actual production, the desulfurization flue gas enters the absorption tower from the gas inlet, the alkali liquor enters the absorption tower from the liquid inlet, the desulfurization flue gas flows from bottom to top, the alkali liquor flows from top to bottom, the desulfurization flue gas and the alkali liquor are fully contacted reversely, the alkali liquor absorbing the flue gas enters the desorption tower under the action of the pressure pump, the absorption liquid (the alkali liquor absorbing the flue gas) flows from top to bottom and is fully contacted with the hot steam from bottom to top, the alkali liquor absorbing the flue gas is dissociated under the action of the hot steam, the carbon dioxide gas enters the cleaning tower from the gas outlet of the desorption tower, the carbon dioxide gas moves from bottom to top and is fully contacted with the ammonia brine flowing from top to bottom in the cleaning tower reversely, the carbon dioxide gas exists in the ammonia brine with bicarbonate ions or carbonate ions, enters the buffer tank under the action of the pressure pump, and then is conveyed to the alkali preparation tower through, the liquid desorbed by the desorption tower enters the absorption tower through the pipeline under the action of a pressure pump again to be used for absorbing the carbon dioxide again. The production system absorbs carbon dioxide in the desulfurized flue gas through the absorption tower, then desorbs the carbon dioxide through the desorption tower, mixes the carbon dioxide and ammonia brine and then conveys the mixture to the soda production tower for soda production, and the production system can recycle the carbon dioxide in the desulfurized flue gas, thereby reducing the consumption of limestone raw materials in the soda production, reducing the production cost, increasing the benefit for enterprises and simultaneously solving the problem of environmental pollution. Experimental research shows that compared with the prior art, the method can save about 2000 cubic carbon dioxide per hour, reduce 65 cubic ammonia brine and save about 3000 ten thousand cost per year.
Because the absorption tower comprises a tower body, one side of the bottom of the tower body is provided with an air inlet, and an air distribution device communicated with the air inlet is arranged below the interior of the tower body; an alkali liquor inlet is formed in the upper portion inside the tower body, a spraying device communicated with the alkali liquor inlet is arranged on the upper portion inside the tower body, and a multilayer packing layer is arranged below the spraying device. The desulfurized flue gas enters the gas distribution device from the gas inlet, flows from bottom to top after being distributed by the gas distribution device, the alkali liquor enters the spraying device from the liquid inlet, flows from top to bottom after being sprayed by the spraying device, the alkali liquor and the desulfurized flue gas reversely and fully contact through the multilayer packing layer, and the alkali liquor absorbs the desulfurized flue gas. The device is simple in structure and reasonable in design, and can promote full contact of the desulfurized flue gas through the gas distribution device and the spraying device, so that the desulfurized flue gas can be better absorbed.
Because gas distribution device includes the body, the inside of body is hollow structure, and the body bottom is equipped with the air inlet, and the upper surface of body is equipped with a plurality of gas distribution holes. After entering the inside of the body, the desulfurized flue gas passes through the gas distribution holes on the body and is uniformly dispersed. The gas dispersing device is reasonable in design and simple in structure, and can uniformly disperse gas.
Because the desorber includes the tower body, and the top of tower body is equipped with the gas outlet, and upper portion one side of tower body is equipped with the absorption liquid import, and bottom one side of tower body is equipped with steam inlet, and the bottom opposite side of tower body is equipped with the liquid outlet, and the inside of tower body is equipped with the liquid distributor that is linked together with the absorption liquid import, and the below of liquid distributor is equipped with the multilayer sieve, is equipped with a plurality of sieve meshes on the sieve. Absorption liquid (alkali liquor for absorbing flue gas) enters the interior of the desorption tower and flows from top to bottom after being distributed by the liquid distributor, hot steam moves from bottom to top after entering the desorption tower, the absorption liquid and the hot steam are fully contacted with each other after passing through the multi-layer sieve plates, the absorption liquid is dissociated, carbon dioxide gas in the absorption liquid enters the cleaning tower after being discharged from the gas outlet, and the desorbed liquid enters the interior of the absorption tower along a pipeline and is used for absorbing the desulfurization flue gas. The tower body has reasonable design, simple structure, high mass transfer efficiency, full gas-liquid contact and greatly improved resolution ratio.
Because liquid distributor includes the body, and the body is hollow structure, and body upper portion is equipped with the inlet, is equipped with a plurality of liquid distribution holes on the lower surface of body. The absorption liquid gets into the inside back of body, evenly disperses in the tower body is inside through the liquid distribution hole. The liquid distributor is simple in structure and can enable liquid to be uniformly distributed.
Because the inside below of tower body is close to the position of air inlet and is equipped with two-layer spoiler at least, and the spoiler sets up in the inner wall both sides of tower body in turn, and is equipped with multiseriate zigzag arch on the spoiler, is equipped with a plurality of vortex holes between the arch of adjacent two. Hot steam can collide with the protrusions on the spoiler after entering the interior of the tower body, airflow is dispersed and then uniformly dispersed through the spoiler holes, and the airflow moves from bottom to top to penetrate through the sieve plate to be fully contacted with absorption liquid, so that desorption of the absorption liquid is promoted. The design of spoiler can prevent to form steam air current for steam evenly disperses, has reduced the velocity of flow of steam, makes steam and absorption liquid contact more abundant, further improves and knows and inhale efficiency.
Because the cleaning tower includes the tower body, and below one side of tower body is equipped with the air inlet, and top one side of tower body is equipped with the ammoniacal liquor import, the inside top of cleaning tower be equipped with the liquid distributor that the ammoniacal liquor import is linked together, the below of liquid distributor is equipped with the multilayer sieve, is equipped with a plurality of sieve meshes on the sieve, and the top of every layer of sieve is equipped with the hood, and the inside below of tower body is equipped with the spoiler. Carbon dioxide flows from bottom to top after entering the tower body, ammonia brine flows from top to bottom after being distributed by the liquid distributor, gas sequentially passes through sieve holes of the sieve plates, the ammonia brine slides to the sieve plate on the uppermost layer along the bamboo hat on the uppermost layer, the ammonia brine fully contacts with the carbon dioxide gas and slides to the sieve plate on the lower layer, and finally the ammonia brine mixed with the carbon dioxide gas falls to the bottom of the tower, enters the buffer tank along the pressure pump and is conveyed to the alkali making tower through a pipeline. The cleaning tower with the structure has a simple structure, and can promote the full contact of liquid and gas by designing the multilayer sieve plates with the caps, thereby improving the mixing efficiency.
Because liquid distributor includes the body, and the top of body is equipped with the inlet, and the body is hollow structure, and the below of body is equipped with a plurality of liquid distribution pipes that are linked together with the body, is equipped with a plurality of cloth liquid holes on the liquid distribution pipe. The ammonia brine enters the liquid distributor and then enters the liquid distribution pipe, and flows to the lower part of the tower body through the liquid distribution holes. Liquid distributor adopts above-mentioned design, and simple structure helps the ammoniacal liquor evenly dispersed moreover to open, promotes the mixing efficiency of ammoniacal liquor and carbon dioxide.
Because the spoiler slope sets up in the inside below of tower body, is equipped with multiseriate vortex portion on the spoiler, and it is protruding to be equipped with a plurality of triangles in the vortex portion, is equipped with the gas distribution hole between two adjacent vortex portions. After carbon dioxide gas enters the tower body, the airflow collides with the turbulence part of the turbulence plate, and the airflow is uniformly dispersed and then flows to the upper part of the tower body through the gas distribution holes. Through setting up the spoiler, avoid forming the air current group for carbon dioxide gas evenly dispersed back is more abundant with the contact of ammoniacal brine.
Drawings
FIG. 1 is a schematic structural diagram of a production system for recovering desulfurized flue gas to prepare soda ash;
FIG. 2 is a schematic view showing the structure of a spoiler inside the desorber shown in FIG. 1;
FIG. 3 is a schematic view of the internal spoiler of the washing tower of FIG. 1;
wherein, 1-absorption tower, 10-air inlet, 11-alkali liquor inlet, 12-gas distribution device, 13-spray device, 14-packing layer, 15-absorption liquid outlet, 2-desulfurization flue gas pipeline, 3-desorption tower, 30-air outlet, 31-absorption liquid inlet, 32-steam inlet, 33-liquid outlet, 34-liquid distributor, 35-sieve plate, 36-spoiler, 360-spoiler, 361-spoiler, 4-cleaning tower, 40-air inlet, 41-ammonia water inlet, 42-liquid distributor, 420-liquid distribution pipe, 43-sieve plate, 44-bamboo hat, 45-spoiler, 450-spoiler, 451-gas distribution hole, 5-ammonia water pipeline, 6-buffer tank, 7-alkali making tower.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides a retrieve production system of desulfurization flue gas preparation soda, as shown in figure 1, including absorption tower 1, the air inlet of absorption tower 1 communicates desulfurization flue gas pipeline 2, the absorption liquid export of absorption tower 1 communicates desorber 3, the gas outlet of desorber 3 communicates purge column 4, the desorption liquid export of desorber 3 communicates the inlet of absorption tower 1, the inlet of purge column 4 communicates ammoniacal brine pipeline 5, the leakage fluid dram intercommunication buffer tank 6 of purge column 4, the export of buffer tank 6 communicates soda tower 7.
In the actual production, the desulfurization flue gas enters the absorption tower from the gas inlet, the alkali liquor enters the absorption tower from the liquid inlet, the desulfurization flue gas flows from bottom to top, the alkali liquor flows from top to bottom, the desulfurization flue gas and the alkali liquor are fully contacted, the flue gas is absorbed by the alkali liquor and then enters the desorption tower under the action of the pressure pump, the alkali absorbing the flue gas flows from top to bottom and fully contacts with the hot steam from bottom to top, the alkali liquor absorbing the flue gas is dissociated under the action of the hot steam, the carbon dioxide gas enters the cleaning tower from the gas outlet of the desorption tower, the carbon dioxide gas moves from bottom to top and fully contacts with the ammonia brine flowing from top to bottom in the cleaning tower from bottom to top, the carbon dioxide gas exists in the ammonia brine as bicarbonate ions or carbonate ions, enters the buffer tank under the action of the pressure pump, and then is conveyed to the alkali making, the liquid desorbed by the desorption tower enters the absorption tower through a pipeline under the action of a pressure pump to be used for absorbing the carbon dioxide again.
As shown in fig. 1, the absorption tower 1 comprises a tower body, wherein an air inlet 10 is arranged on one side of the bottom of the tower body 1, an absorption liquid outlet 15 is arranged on the other side of the bottom of the tower body 1, and an air distribution device 11 communicated with the air inlet is arranged below the interior of the tower body 1 of 10; an alkali liquor inlet 12 is arranged above the inside of the tower body 1, a spraying device 13 (a spraying pipe and a spray head communicated with the spraying pipe) communicated with the alkali liquor inlet 12 is arranged above the inside of the tower body 1, and a multilayer packing layer 14 is arranged below the spraying device 13. The desulfurized flue gas enters the gas distribution device from the gas inlet, flows from bottom to top after being distributed by the gas distribution device, the alkali liquor enters the spraying device from the liquid inlet, flows from top to bottom after being sprayed by the spraying device, the alkali liquor and the desulfurized flue gas reversely and fully contact through the multilayer packing layer, and the alkali liquor absorbs the desulfurized flue gas.
Wherein gas distribution device 11 includes body (disc, through connecting rod and tower body inner wall welded connection), and the inside of body is hollow structure, and the body bottom is equipped with the air inlet, and the upper surface of body is equipped with a plurality of gas distribution holes. After entering the inside of the body, the desulfurized flue gas passes through the gas distribution holes on the body and is uniformly dispersed.
As shown in fig. 1, the desorption tower 3 includes a tower body, an air outlet 30 is arranged at the top of the tower body, an absorption liquid inlet 31 is arranged at one side of the upper part of the tower body 3, a steam inlet 32 is arranged at one side of the bottom of the tower body, a liquid outlet 33 is arranged at the other side of the bottom of the tower body, a liquid distributor 34 communicated with the absorption liquid inlet is arranged inside the tower body, a plurality of layers of sieve plates 35 are arranged below the liquid distributor 34, and a plurality of sieve holes are arranged on the sieve plates 35. Absorption liquid (alkali liquor for absorbing flue gas) enters the interior of the desorption tower and flows from top to bottom after being distributed by the liquid distributor, hot steam moves from bottom to top after entering the desorption tower, the absorption liquid and the hot steam are fully contacted with each other after passing through the multi-layer sieve plates, the absorption liquid is dissociated, carbon dioxide gas in the absorption liquid enters the cleaning tower after being discharged from the gas outlet, and the desorbed liquid enters the interior of the absorption tower along a pipeline and is used for absorbing the desulfurization flue gas.
Wherein liquid distributor 34 includes body (disc, through connecting rod and tower body inner wall welded connection), and the body is hollow structure, and body upper portion is equipped with the inlet, is equipped with a plurality of liquid distribution holes 340 on the lower surface of body. The absorption liquid gets into the inside back of body, evenly disperses in the tower body is inside through the liquid distribution hole.
As shown in fig. 2, at least two layers of spoilers 36 are disposed below the inner portion of the tower body and near the air inlet, the spoilers 36 are alternately disposed on two sides of the inner wall of the tower body, each spoiler 36 is provided with a plurality of rows of zigzag-shaped protrusions 360, and a plurality of spoiler holes 361 are disposed between two adjacent rows of protrusions. Hot steam can collide with the protrusions on the spoiler after entering the interior of the tower body, airflow is dispersed and then uniformly dispersed through the spoiler holes, and the airflow moves from bottom to top to penetrate through the sieve plate to be fully contacted with absorption liquid, so that desorption of the absorption liquid is promoted.
As shown in fig. 1, the cleaning tower 4 includes a tower body, an air inlet 40 is arranged on one side of the lower part of the tower body, an ammonia brine inlet 41 is arranged on one side of the upper part of the tower body, a liquid distributor 42 communicated with the ammonia brine inlet 41 is arranged on the upper part of the inner part of the cleaning tower 4, a plurality of layers of sieve plates 43 are arranged below the liquid distributor 42, a plurality of sieve holes are arranged on the sieve plates 43, a hood 44 is arranged above each layer of sieve plate, and a spoiler 45 is arranged below the inner part of the tower body. Carbon dioxide flows from bottom to top after entering the tower body, ammonia brine flows from top to bottom after being distributed by the liquid distributor, gas sequentially passes through sieve holes of the sieve plates, the ammonia brine slides to the sieve plate on the uppermost layer along the bamboo hat on the uppermost layer, the ammonia brine fully contacts with the carbon dioxide gas and slides to the sieve plate on the lower layer, and finally the ammonia brine mixed with the carbon dioxide gas falls to the bottom of the tower, enters the buffer tank along the pressure pump and is conveyed to the alkali making tower through a pipeline.
As shown in fig. 1, the liquid distributor 42 includes a body, a liquid inlet is disposed above the body, the body is of a hollow structure, a plurality of liquid distribution pipes 420 communicated with the body are disposed below the body, and a plurality of liquid distribution holes are disposed on the liquid distribution pipes. The ammonia brine enters the liquid distributor and then enters the liquid distribution pipe, and flows to the lower part of the tower body through the liquid distribution holes.
As shown in fig. 3, the spoiler 45 is obliquely arranged below the inner portion of the tower body, a plurality of rows of spoiler portions 450 are arranged on the spoiler 45, a plurality of triangular protrusions are arranged on the spoiler portions 450, and a gas distribution hole 451 is arranged between two adjacent rows of spoiler portions 450. After carbon dioxide gas enters the tower body, the airflow collides with the turbulence part of the turbulence plate, and the airflow is uniformly dispersed and then flows to the upper part of the tower body through the gas distribution holes.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a production system for retrieve desulfurization flue gas preparation soda, its characterized in that: including the absorption tower, the air inlet intercommunication desulfurization flue gas pipeline of absorption tower, the absorption liquid export intercommunication desorber of absorption tower, the gas outlet intercommunication cleaning tower of desorber, the desorption liquid export intercommunication absorption tower's of desorber inlet, the inlet intercommunication ammoniacal liquor pipeline of cleaning tower, the leakage fluid dram intercommunication buffer tank of cleaning tower, the export intercommunication alkali-making tower of buffer tank.
2. The production system for recovering the desulfurized flue gas to prepare the soda ash according to claim 1, wherein: the absorption tower comprises a tower body, an air inlet is formed in one side of the bottom of the tower body, and an air distribution device communicated with the air inlet is arranged below the interior of the tower body; the inside top of tower body is equipped with the alkali lye import, the inside top of tower body be equipped with the spray set that the alkali lye import is linked together, the spray set below is equipped with the multilayer packing layer.
3. The production system for recovering the desulfurized flue gas to prepare the soda ash according to claim 2, characterized in that: the gas distribution device comprises a body, the inside of the body is of a hollow structure, the bottom of the body is provided with a gas inlet, and the upper surface of the body is provided with a plurality of gas distribution holes.
4. The production system for recovering the desulfurized flue gas to prepare the soda ash according to claim 1, wherein: the desorber includes the tower body, the top of tower body is equipped with the gas outlet, upper portion one side of tower body is equipped with the absorption liquid import, bottom one side of tower body is equipped with steam inlet, the bottom opposite side of tower body is equipped with the liquid outlet, the inside of tower body be equipped with the liquid distributor that the absorption liquid inlet is linked together, the below of liquid distributor is equipped with the multilayer sieve, be equipped with a plurality of sieve meshes on the sieve.
5. The production system for recovering the desulfurized flue gas to prepare the soda ash according to claim 4, wherein: the liquid distributor comprises a body, the body is of a hollow structure, a liquid inlet is formed in the upper portion of the body, and a plurality of liquid distribution holes are formed in the lower surface of the body.
6. The production system for recovering the desulfurized flue gas to prepare the soda ash according to claim 4, wherein: the utility model discloses a tower body, including the inner bottom of tower body, the inner bottom of tower body is equipped with the air inlet, the inner bottom of tower body is close to the position of air inlet and is equipped with two-layer spoiler at least, the spoiler sets up in turn in the inner wall both sides of tower body, just be equipped with multiseriate zigzag arch on the spoiler, be equipped with a plurality of vortex holes between adjacent two archs.
7. The production system for recovering the desulfurized flue gas to prepare the soda ash according to claim 1, wherein: the cleaning tower comprises a tower body, an air inlet is arranged on one side of the lower portion of the tower body, an ammonia brine inlet is arranged on one side of the upper portion of the tower body, a liquid distributor communicated with the ammonia brine inlet is arranged above the inner portion of the cleaning tower, a plurality of layers of sieve plates are arranged below the liquid distributor, a plurality of sieve holes are formed in each sieve plate, a hood is arranged above each layer of sieve plate, and a spoiler is arranged below the inner portion of the tower body.
8. The production system for recovering the desulfurized flue gas to prepare the soda ash according to claim 7, wherein: the liquid distributor comprises a body, wherein a liquid inlet is arranged above the body, the body is of a hollow structure, a plurality of liquid distribution pipes communicated with the body are arranged below the body, and a plurality of liquid distribution holes are formed in the liquid distribution pipes.
9. The production system for recovering the desulfurized flue gas to prepare the soda ash according to claim 7, wherein: the utility model discloses a tower body, including the spoiler, the spoiler slope sets up the inside below at the tower body, be equipped with multiseriate spoiler portion on the spoiler, it is protruding to be equipped with a plurality of triangles in the spoiler, and adjacent two are listed as and are equipped with a plurality of gas distribution holes between the spoiler.
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| CN202020698559.7U CN212818998U (en) | 2020-04-29 | 2020-04-29 | Production system for preparing sodium carbonate by recycling desulfurized flue gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024020906A1 (en) * | 2022-07-27 | 2024-02-01 | 南京延长反应技术研究院有限公司 | Reaction system for preparing soda ash and reaction method |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024020906A1 (en) * | 2022-07-27 | 2024-02-01 | 南京延长反应技术研究院有限公司 | Reaction system for preparing soda ash and reaction method |
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