CN220276667U - Desorption tower device for treating sulfuric acid production tail gas - Google Patents
Desorption tower device for treating sulfuric acid production tail gas Download PDFInfo
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- CN220276667U CN220276667U CN202321754399.3U CN202321754399U CN220276667U CN 220276667 U CN220276667 U CN 220276667U CN 202321754399 U CN202321754399 U CN 202321754399U CN 220276667 U CN220276667 U CN 220276667U
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- pipe
- sulfuric acid
- hydrogen peroxide
- cold water
- tail gas
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 113
- 238000003795 desorption Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 138
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 239000007789 gas Substances 0.000 claims abstract description 40
- 239000000945 filler Substances 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims description 32
- 239000000919 ceramic Substances 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 16
- 230000001502 supplementing effect Effects 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 28
- 239000008235 industrial water Substances 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000000354 decomposition reaction Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 238000005057 refrigeration Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 15
- 238000000034 method Methods 0.000 description 13
- 239000011259 mixed solution Substances 0.000 description 12
- 239000000243 solution Substances 0.000 description 8
- 230000002035 prolonged effect Effects 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a desorption tower device for treating tail gas from sulfuric acid production, which comprises a tower body and an industrial water chiller. The beneficial effects are that: the utility model adopts the first spiral pipe, the second spiral pipe and the industrial water chiller, during desorption, cold water output by the industrial water chiller is discharged into the first spiral pipe and the second spiral pipe through the cold water inlet pipe and the water inlet pipe, the cold water reenters the industrial water chiller through the cold water return pipe and the water outlet pipe after passing through the first spiral pipe and the second spiral pipe, and reenters the cold water inlet pipe and the water inlet pipe after refrigeration, thereby completing the circulating cooling, reducing the temperature of hydrogen peroxide in the filler and at the bottom of the tower body through heat exchange, avoiding the rapid decomposition of the hydrogen peroxide and losing the oxidation effect caused by the overhigh temperature due to the reaction and temperature rise of the hydrogen peroxide and sulfur dioxide, prolonging the service time of the hydrogen peroxide, reducing the use amount of the hydrogen peroxide, and further reducing the cost investment and being more economical.
Description
Technical Field
The utility model relates to the technical field of sulfuric acid tail gas treatment, in particular to a desorption tower device for treating sulfuric acid production tail gas.
Background
Sulfuric acid is one of ten important industrial chemicals, and is widely applied to various industrial departments, and the yield of sulfuric acid is often used as a sign for measuring the national industrial development level, but as a chemical industry with high pollution, the sulfuric acid industry discharges a large amount of sulfur dioxide to the atmosphere, seriously pollutes the environment, and needs to perform desorption treatment, and various common treatment methods include a lime milk method, a sodium-alkali method, a zinc oxide method, an ammonia method, an activated carbon method, an ionic liquid method, a hydrogen peroxide method and the like.
After search, the publication number is CN204159201U, the name is sulfuric acid tail gas desulfurization device, the application proposes that the traditional desulfurization method can not thoroughly solve the problem of environmental pollution caused by sulfur dioxide, through combining a hydrogen peroxide method and an activated carbon method, sulfuric acid tail gas is firstly oxidized into sulfuric acid through hydrogen peroxide, generated sulfuric acid enters a collecting tank, when the concentration of hydrogen peroxide in the collecting tank is higher than 0.1%, cyclic spraying is carried out, when the concentration of hydrogen peroxide is lower than 0.1%, the hydrogen peroxide is discharged into a cyclic acid tank of a dry absorption section through a liquid outlet and used as water for regulating acid concentration, the tail gas after hydrogen peroxide treatment passes through an activated carbon adsorption reservoir, the activated carbon carries out physical adsorption and chemical adsorption on the tail gas, SO2 is oxidized into S03 under the catalysis of the activated carbon, then H2SO4 is generated through the catalytic reaction with water vapor, the sulfuric acid generated through catalytic reaction is enriched in activated carbon pores, when the sulfuric acid in the pores of the active carbon reaches saturation during desulfurization for a period of time, the sulfuric acid is washed by a regeneration liquid (water), SO that the desulfurization capability of the active carbon is recovered, the obtained dilute sulfuric acid is used as acid concentration adjusting water in a circulating acid tank of a dry absorption working section, the active carbon can be repeatedly used after being washed and dried, and the cost is saved, however, the reaction of hydrogen peroxide and sulfur dioxide belongs to exothermic reaction, the temperature in an absorption tower can be increased by heat release, the decomposition of hydrogen peroxide can be accelerated after the temperature is increased, water and oxygen are generated after the decomposition of hydrogen peroxide, the hydrogen peroxide does not have strong oxidizing property, and is difficult to continuously react with sulfur dioxide to generate dilute sulfuric acid, SO that the concentration of the hydrogen peroxide is rapidly reduced, the hydrogen peroxide is difficult to continuously recycle, new hydrogen peroxide is required to be frequently added, the hydrogen peroxide input is increased, the raw material input is increased, and the economic aspect can be further improved.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a desorption tower device for treating tail gas generated in sulfuric acid production, which has the advantages of reducing the consumption of hydrogen peroxide and being more economical, thereby solving the problems in the prior art.
(II) technical scheme
In order to realize the advantages of reducing the consumption of hydrogen peroxide and being more economical, the utility model adopts the following specific technical scheme:
the utility model provides a handle desorption tower device of sulfuric acid production tail gas, includes tower body and industry cooling water machine, the internally mounted of tower has the filler, and the inside embedding of filler has first spiral pipe to first spiral pipe water inlet end and play water end are through-connection respectively has cold water advance pipe and cold water back flow, filler below is located the inside fixedly connected with distribution plate of tower, and is located tower body one side through-connection in distribution plate has the air inlet, the air inlet below is located the internally mounted of tower and has the second spiral pipe, and second spiral pipe water inlet end and play water end are through-connection respectively has inlet tube and drain pipe, and inlet tube and drain pipe are through tee bend and cold water inlet pipe and cold water back flow through-connection respectively, industry cooling water machine play water end and cold water inlet pipe through-connection, the bottom of the tower through-connection has the circulating pump, and circulating pump play water end through-connection has the circulating pipe to filler top through-connection, tower opposite side surface is connected with the liquid filling pump, and liquid filling pump water inlet end is through the liquid filling pipe and hydrogen peroxide storage equipment through-filling pipe through-connection.
Further, the stirring motor is fixedly installed in the tower body through the picking frame, the ceramic stirring paddle is installed at the output end of the stirring motor, and the ceramic stirring paddle is located on the inner side of the second spiral pipe.
Furthermore, the first spiral tube and the second spiral tube are all made of thin-wall copper tubes, and the wall thickness of the first spiral tube is the same as that of the second spiral tube.
Further, the ceramic protective shell is fixedly arranged on the outer side of the stirring motor and positioned on the top surface of the picking frame, and ventilation holes are formed in the side wall of the ceramic protective shell.
Further, the first spiral pipe is arranged in plurality, and the first spiral pipe is uniformly arranged.
Further, the shower heads are provided with a plurality of shower heads which are uniformly distributed.
Further, the bottom of the tower body is connected with a drainage pump in a penetrating way.
(III) beneficial effects
Compared with the prior art, the utility model provides a desorption tower device for treating tail gas from sulfuric acid production, which comprises the following components
The beneficial effects are that:
(1) According to the utility model, the first spiral pipe, the second spiral pipe and the industrial water chiller are adopted, when sulfuric acid tail gas is treated, sulfuric acid tail gas enters the tower body through the air inlet, hydrogen peroxide at the bottom of the tower body is pumped by the circulating pump and enters the spray header through the circulating pipe to be sprayed out, sulfur dioxide in the sulfuric acid tail gas reacts with hydrogen peroxide to form a dilute sulfuric acid solution, the dilute sulfuric acid solution drops back to the bottom of the tower body, desorption of sulfur dioxide in the tail gas is completed, when the concentration of hydrogen peroxide in the tower body is insufficient, the hydrogen peroxide is pumped by the fluid supplementing pipe to be added to the bottom of the tower body, the concentration of hydrogen peroxide is increased, the continuous and efficient reaction is ensured, so that the continuous desorption of the tail gas is realized, cold water output by the industrial water chiller is discharged into the first spiral pipe and the second spiral pipe through the cold water inlet pipe and the water inlet pipe, the cold water is re-entered into the industrial water chiller through the cold water return pipe and the water outlet pipe after being cooled, the circulating cooling is completed, the temperature of the cold water is reduced in the cold water inlet pipe and the water inlet pipe through heat exchange, the temperature of the hydrogen peroxide inside the filler and the hydrogen peroxide at the bottom of the tower body is reduced, the hydrogen peroxide is prevented from being decomposed quickly due to the temperature rising and the hydrogen peroxide is caused by the temperature rising, the hydrogen peroxide is further reduced, the use time is further reduced, and the cost is further reduced, and the use cost is further is reduced.
(2) According to the utility model, the stirring motor and the ceramic stirring paddle are adopted, the ceramic stirring paddle stretches into the mixed solution of hydrogen peroxide and dilute sulfuric acid at the bottom of the tower body, and the stirring motor drives the ceramic stirring paddle to rotate at a low speed, so that the mixed solution flows, the contact efficiency with the second spiral pipe is improved, the hydrogen peroxide and the dilute sulfuric acid are convenient to cool quickly, the hydrogen peroxide in the mixed solution is prevented from being decomposed due to the influence of high temperature, the mixed solution is convenient to reuse, meanwhile, the mixed solution can be mixed with the newly added hydrogen peroxide quickly, the concentration of the hydrogen peroxide for recycling is reached quickly, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a desorber device for treating sulfuric acid production tail gas according to the present utility model;
FIG. 2 is a schematic view of the internal structure of the tower according to the present utility model;
FIG. 3 is a front view of a desorber device for treating sulfuric acid production tail gas according to the present utility model;
fig. 4 is a schematic installation view of a ceramic stirring paddle according to the utility model.
In the figure:
1. a tower body; 2. a filler; 3. a first helical tube; 4. a circulation pipe; 5. a spray header; 6. cold water inlet pipe; 7. an industrial chiller; 8. a cold water return pipe; 9. a distribution plate; 10. an air inlet; 11. a stirring motor; 12. a picking frame; 13. a tee joint; 14. a drain pipe; 15. ceramic stirring paddles; 16. a second helical tube; 17. a circulation pump; 18. a fluid supplementing pump; 19. a water inlet pipe; 20. a fluid supplementing pipe; 21. and a ceramic protective shell.
Detailed Description
For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.
According to an embodiment of the utility model, a desorption tower device for treating sulfuric acid production tail gas is provided.
The utility model will be further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-4, a desorption tower device for treating tail gas from sulfuric acid production according to the embodiment of the utility model comprises a tower body 1 and an industrial water chiller 7, wherein a filler 2 is installed inside the tower body 1, a first spiral pipe 3 is embedded inside the filler 2, the filler 2 is convenient for the reaction of gas and gas with liquid, a cold water inlet pipe 6 and a cold water return pipe 8 are respectively connected through a water inlet end and a water outlet end of the first spiral pipe 3, a distribution plate 9 is fixedly connected inside the tower body 1 below the filler 2, an air inlet 10 is connected through one side of the tower body 1 below the distribution plate 9, sulfuric acid tail gas is communicated through the air inlet 10, a second spiral pipe 16 is installed inside the tower body 1 below the air inlet 10, a water inlet end and a water outlet end of the second spiral pipe 16 are respectively connected through a water inlet pipe 19 and a water outlet pipe 14, and the water inlet pipe 19 and the water outlet pipe 14 are respectively and through-connected with the cold water inlet pipe 6 and the cold water return pipe 8 through the tee joint 13, the water outlet end of the industrial cold water machine 7 is through-connected with the cold water inlet pipe 6, the water inlet end of the industrial cold water machine 7 is through-connected with the cold water return pipe 8, the bottom of the tower body 1 is through-connected with the circulating pump 17, the water outlet end of the circulating pump 17 is through-connected with the circulating pipe 4, the circulating pipe 4 extends to the upper part of the filler 2 and is through-connected with the spray header 5, the other side surface of the tower body 1 is through-connected with the liquid supplementing pump 18, the water inlet end of the liquid supplementing pump 18 is through-connected with the hydrogen peroxide storage equipment through the liquid supplementing pipe 20, the hydrogen peroxide storage equipment is of a common structure, not shown in the figure, when sulfuric acid tail gas is treated, sulfuric acid tail gas enters the tower body 1 through the air inlet 10, hydrogen peroxide at the bottom of the tower body 1 is pumped by the circulating pump 17 through the circulating pipe 4 and enters the spray header 5 for spraying, the sulfur dioxide in the sulfuric acid tail gas reacts with hydrogen peroxide to form a dilute sulfuric acid solution, the dilute sulfuric acid solution drops back to the bottom of the tower body 1, the desorption of sulfur dioxide in the tail gas is completed, when the concentration of hydrogen peroxide in the tower body 1 is insufficient, the hydrogen peroxide is pumped by the liquid supplementing pump 18 and is added into the bottom of the tower body 1 through the liquid supplementing pipe 20, the concentration of hydrogen peroxide is increased, the continuous high efficiency of the reaction is ensured, thereby the tail gas is continuously desorbed, in the desorption process, cold water output by the industrial water chiller 7 is discharged into the first spiral pipe 3 and the second spiral pipe 16 through the cold water inlet pipe 6 and the water inlet pipe 19, the cold water enters the industrial water chiller 7 again through the cold water return pipe 8 and the water outlet pipe 14 after passing through the first spiral pipe 3 and the second spiral pipe 16, the circulation cooling is completed, the cold water reduces the temperature of the hydrogen peroxide in the filler 2 and at the bottom of the tower body 1 through heat exchange, the use time of the hydrogen peroxide is prolonged because the temperature is excessively high due to the rapid decomposition of the temperature rise of the reaction of the sulfur dioxide, the use time of the hydrogen peroxide is further prolonged, the cost investment is reduced, and the cost investment is more economical.
In one embodiment, the stirring motor 11 is fixedly installed inside the tower body 1 through the picking frame 12, the ceramic stirring paddle 15 is installed at the output end of the stirring motor 11, the ceramic stirring paddle 15 is located on the inner side of the second spiral pipe 16, the ceramic stirring paddle 15 can effectively avoid being corroded by dilute sulfuric acid, the service life is prolonged, the ceramic stirring paddle 15 stretches into hydrogen peroxide and dilute sulfuric acid mixed solution at the bottom of the tower body 1, the stirring motor 11 drives the ceramic stirring paddle 15 to rotate slowly, the mixed solution flows, the contact efficiency with the second spiral pipe 16 is improved, the hydrogen peroxide and the dilute sulfuric acid are easy to cool conveniently, the hydrogen peroxide in the mixed solution is prevented from being decomposed due to the influence of high temperature, the repeated use is facilitated, meanwhile, the mixed solution can be quickly mixed with the newly added hydrogen peroxide, the concentration of the hydrogen peroxide for repeated use is quickly reached, and the working efficiency is improved.
In one embodiment, the first spiral tube 3 and the second spiral tube 16 are all thin-wall copper tubes, and the wall thickness of the first spiral tube 3 and the wall thickness of the second spiral tube 16 are the same, so that the heat exchange efficiency is improved.
In one embodiment, the ceramic protection shell 21 is fixedly arranged on the top surface of the picking frame 12 outside the stirring motor 11, ventilation holes are formed in the side wall of the ceramic protection shell 21, the ceramic protection shell 21 prevents the stirring motor 11 from being influenced by dilute sulfuric acid, and the service life of the stirring motor 11 is prolonged.
In one embodiment, the first spiral pipe 3 is arranged in plurality, and the first spiral pipe 3 is uniformly arranged, thereby improving cooling efficiency.
In one embodiment, a plurality of spray heads 5 are arranged, and the spray heads 5 are uniformly distributed, so that the uniformity and the efficiency of spraying are improved.
In one embodiment, a drainage pump is connected to the bottom of the tower body 1 in a penetrating way, so that dilute sulfuric acid can be conveniently pumped out, and the drainage pump is common equipment and is not shown in the figure.
Working principle:
when the sulfuric acid tail gas is treated, the sulfuric acid tail gas enters the tower body 1 through the air inlet 10, the hydrogen peroxide at the bottom of the tower body 1 is pumped by the circulating pump 17 and enters the spray header 5 through the circulating pipe 4 to be sprayed out, sulfur dioxide in the sulfuric acid tail gas reacts with the hydrogen peroxide to form dilute sulfuric acid solution, the dilute sulfuric acid solution drops back to the bottom of the tower body 1 to finish desorption of sulfur dioxide in the tail gas, when the concentration of the hydrogen peroxide in the tower body 1 is insufficient, the hydrogen peroxide is pumped by the liquid supplementing pump 18 and is fed into the bottom of the tower body 1 through the liquid supplementing pipe 20, the concentration of the hydrogen peroxide is increased, the continuous and efficient reaction is ensured, thereby realizing continuous desorption of the tail gas, during the desorption, cold water output by the industrial cold water machine 7 is discharged into the first spiral pipe 3 and the second spiral pipe 16 through the cold water inlet pipe 6 and the water outlet pipe 19, and the cold water reenters the industrial cold water machine 7 through the first spiral pipe 3 and the second spiral pipe 16 and the cold water outlet pipe 8 and the water outlet pipe 14, after refrigeration, the mixture enters the cold water inlet pipe 6 and the water inlet pipe 19 again to finish the circulation cooling, the temperature of the hydrogen peroxide inside the filler 2 and at the bottom of the tower body 1 is reduced by cold water through heat exchange, the phenomenon that the hydrogen peroxide is quickly decomposed to lose oxidation caused by overhigh temperature due to the reaction and temperature rise of the hydrogen peroxide and sulfur dioxide is avoided, the service time of the hydrogen peroxide is prolonged, the use amount of the hydrogen peroxide is reduced, thereby reducing the cost investment, and the method is more economical, meanwhile, the ceramic stirring paddle 15 stretches into the mixed solution of the hydrogen peroxide at the bottom of the tower body 1 and the dilute sulfuric acid, the stirring motor 11 drives the ceramic stirring paddle 15 to slowly rotate, the mixed solution flows, the contact efficiency with the second spiral pipe 16 is improved, the hydrogen peroxide and the dilute sulfuric acid are conveniently and quickly cooled, the hydrogen peroxide in the mixed solution is prevented from being decomposed due to the influence of high temperature, the device is convenient to reuse, can be quickly mixed with newly added hydrogen peroxide, quickly reaches the concentration of hydrogen peroxide for recycling, and improves the working efficiency.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a take-off tower device for treating sulfuric acid production tail gas, its characterized in that, including tower body (1) and industry cold water machine (7), tower body (1) internally mounted has filler (2), and filler (2) inside embedding has first spiral pipe (3), and first spiral pipe (3) water inlet end and water outlet end link up respectively and are connected with cold water inlet tube (6) and cold water back flow (8), filler (2) below is located tower body (1) inside fixedly connected with distribution board (9), and is located tower body (1) one side below and link up and be connected with air inlet (10), air inlet (10) below is located tower body (1) internally mounted and has second spiral pipe (16), and second spiral pipe (16) water inlet end and water outlet end link up respectively and are connected with inlet tube (19) and drain pipe (14), and inlet tube (19) and drain pipe (14) link up with cold water back flow (8) through tee bend (13) respectively, industry cold water machine (7) water outlet end and cold water inlet tube (6) link up with circulating pipe (7) one side and link up (17) and are connected with circulating pump (17) water outlet end and circulating pump (17), and the circulating pipe (4) extends to the upper part of the filler (2) and is in through connection with the spray header (5), the other side surface of the tower body (1) is in through connection with the liquid supplementing pump (18), and the water inlet end of the liquid supplementing pump (18) is in through connection with the hydrogen peroxide storage equipment through the liquid supplementing pipe (20).
2. The desorption tower device for treating sulfuric acid production tail gas according to claim 1, wherein a stirring motor (11) is fixedly arranged inside the tower body (1) through a picking frame (12), a ceramic stirring paddle (15) is arranged at the output end of the stirring motor (11), and the ceramic stirring paddle (15) is positioned on the inner side of the second spiral pipe (16).
3. The desorption tower device for treating the tail gas from sulfuric acid production according to claim 1, wherein the first spiral pipe (3) and the second spiral pipe (16) are respectively made of thin-wall copper pipes, and the wall thickness of the first spiral pipe (3) is the same as that of the second spiral pipe (16).
4. The desorption tower device for treating sulfuric acid production tail gas according to claim 2, wherein a ceramic protective shell (21) is fixedly arranged on the top surface of the picking frame (12) outside the stirring motor (11), and ventilation holes are formed in the side wall of the ceramic protective shell (21).
5. The desorber device for treating sulfuric acid production tail gas according to claim 1, characterized in that a plurality of the first spiral pipes (3) are arranged, and the first spiral pipes (3) are uniformly arranged.
6. The desorption tower device for treating the tail gas from sulfuric acid production according to claim 1, wherein a plurality of spray headers (5) are arranged, and the spray headers (5) are uniformly distributed.
7. The desorption tower device for treating the tail gas generated in the sulfuric acid production according to claim 1, wherein a drainage pump is connected to the bottom of the tower body (1) in a penetrating manner.
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CN202321754399.3U CN220276667U (en) | 2023-07-05 | 2023-07-05 | Desorption tower device for treating sulfuric acid production tail gas |
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CN202321754399.3U CN220276667U (en) | 2023-07-05 | 2023-07-05 | Desorption tower device for treating sulfuric acid production tail gas |
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