CN120618220A - Tail gas absorption tower for chemical production - Google Patents
Tail gas absorption tower for chemical productionInfo
- Publication number
- CN120618220A CN120618220A CN202510903728.3A CN202510903728A CN120618220A CN 120618220 A CN120618220 A CN 120618220A CN 202510903728 A CN202510903728 A CN 202510903728A CN 120618220 A CN120618220 A CN 120618220A
- Authority
- CN
- China
- Prior art keywords
- absorption tower
- tail gas
- top end
- fixed
- chemical production
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of flue gas treatment, and provides a tail gas absorption tower for chemical production, which comprises an absorption tower and a fixed plate, wherein the fixed plate is fixed on one side of the absorption tower, a liquid storage tank is arranged at the top end of the fixed plate, a water pump is arranged at the top end of the liquid storage tank, a connecting pipe is arranged on one side of the absorption tower, a water outlet is arranged at the bottom end of the absorption tower, an auxiliary structure is arranged in the connecting pipe, a filler layer is arranged at the top end of the inside of the absorption tower, an annular spray header is arranged at the top end of the filler layer, and the auxiliary structure comprises a heat exchange pipe. According to the invention, through the design of the heat exchange tube, the tail gas passes through the interior of the heat exchange tube, at the moment, the spray liquid in the liquid storage tank can be subjected to heating treatment through the heat exchange of the heat exchange tube, so that the heated spray liquid has better effect when the tail gas contains high-boiling-point organic matters such as methanol and acetone vapor, the spray liquid is heated by utilizing the heat of the tail gas, the external heat supply requirement is reduced, and the treatment cost is reduced.
Description
Technical Field
The invention relates to the technical field of flue gas treatment, in particular to a tail gas absorption tower for chemical production.
Background
The tail gas absorption tower for chemical production is an important device for treating and purifying tail gas in the chemical industry, and has the core functions of removing harmful pollutants (such as acid gas, volatile organic compounds and the like) in the tail gas through a physical or chemical absorption process so as to meet the environmental emission standard and realize resource recovery;
For this reason, the patent of publication number CN218794969U discloses a chemical production is with tail gas absorption tower, including handling jar, tail gas connecting pipe and absorption tower main part, tail gas connecting pipe both sides top is all installed with handling jar and absorption tower main part outer wall through dismouting mechanism, the screen cloth is installed through stop gear in the middle part in absorption tower main part left side, the water pipe is installed to the inboard middle part upper end of absorption tower main part, and the water pipe right side runs through the outer wall of absorption tower main part and places inboard at the water tank, the water pump is installed to the middle part upper end on water pipe right side. According to the utility model, the tail gas connecting pipe and the butt joint pipe orifice can be relatively conveniently installed under the action of the dismounting mechanism, and meanwhile, the air tightness of the device in the butt joint process can be ensured under the sealing effect of the sealing cushion, so that the use efficiency of the device in the use process is improved, the tail gas connecting pipe can be relatively conveniently dismounted and maintained, and the practicability of the device in the use process is improved;
The patent with publication number CN214261299U discloses a tail gas absorption tower for chemical production, which relates to the technical field of chemical production. The utility model comprises a mounting seat, wherein supporting legs are fixedly connected to four corners of the bottom of the mounting seat, a first treatment tank, a second treatment tank and a third treatment tank are fixedly connected to the upper surface of the mounting seat, water is contained in the second treatment tank, a sealing cover is connected to the upper end of the first treatment tank in a threaded manner, a connecting plate is fixedly connected to the inside of the first treatment tank, and a groove is formed in the connecting plate. The utility model can send the treated tail gas into the air inlet pipe through the second communicating pipe and the first communicating pipe again by the action of the second fan, then the treated tail gas is led into the first treatment tank for being treated again, and the treatment effect of the tail gas can be improved by repeatedly treating the discharged tail gas for a plurality of times, thereby effectively reducing the components of toxic gas in the tail gas and reaching the emission standard as far as possible
In the prior art, although the tail gas can be treated in one step in the use, the tail gas has some problems in the treatment, the components in the tail gas are different according to the production requirements in the production, some tail gas contains high-boiling point organic matters (such as methanol and acetone vapor), and the dissolution capacity of the spray liquid is limited at normal temperature, so that the tail gas treatment effect is poor, and therefore, the tail gas absorption tower for chemical production is needed to solve the problems.
Disclosure of Invention
The invention aims to provide a tail gas absorption tower for chemical production, which is used for solving the defect of poor treatment effect of the existing tail gas absorption tower when high-boiling-point organic matters (such as methanol and acetone vapor) are contained in tail gas.
In order to solve the technical problems, the invention provides the following technical scheme that the tail gas absorption tower for chemical production comprises an absorption tower and a fixed plate;
A fixed plate is fixed on one side of the absorption tower, a liquid storage tank is arranged at the top end of the fixed plate, a water pump is arranged at the top end of the liquid storage tank, a connecting pipe is arranged on one side of the absorption tower, a water outlet is arranged at the bottom end of the absorption tower, an auxiliary structure is arranged in the connecting pipe, a packing layer is arranged at the top end of the inside of the absorption tower, and an annular spray header is arranged at the top end of the packing layer;
The auxiliary structure comprises a heat exchange tube, the heat exchange tube is arranged on the outer wall of the liquid storage tank, one end of the heat exchange tube is connected with one end of a connecting tube, a rotating fan blade is arranged in the connecting tube, a connecting shaft is arranged at the top end of the rotating fan blade, the top end of the connecting shaft extends to the inside of the liquid storage tank, and a stirring rod is arranged at the outer side of the top end of the connecting shaft.
Preferably, the bottom end of the fixing plate is provided with an installing box, one side of the installing box is fixed with one side of the absorption tower, a first conical gear set is installed in the installing box, a fixing shaft is installed at the top end of the first conical gear set, and the top end of the fixing shaft penetrates through the inside of the connecting pipe and is connected with the bottom end of the rotating fan blade.
Preferably, the installation axle is installed to one side of first cone gear group, the fixed box is installed to the inside bottom of absorption tower, the mount is installed to the both sides of fixed box, the internally mounted of fixed box has the second cone gear group, the roating seat is installed on the top of second cone gear group, the connecting rod is installed in the outside of roating seat, the scraping wall board is installed on the top of connecting rod, one side of installation axle is connected with one side of second cone gear group.
Preferably, the stirring rods are provided with a plurality of groups, and the stirring rods are annularly distributed at the top end of the connecting shaft.
Preferably, the heat exchange tubes are made of copper, and the heat exchange tubes are spirally distributed on the outer side of the liquid storage tank.
Preferably, the top of absorption tower is provided with defogging structure, defogging structure includes the gas outlet, the gas outlet is installed in the top of absorption tower, fixed lid is installed on the top of gas outlet, the through-hole has been seted up on the top of fixed lid, the internally mounted of fixed lid has the filter layer.
Preferably, the inside of gas outlet is fixed with the retainer plate, the silk screen mist eliminator is installed on the top of retainer plate, the top of retainer plate is fixed with the locating lever, the constant head tank has been seted up to the inside at silk screen mist eliminator edge, the baffling board is installed to the bottom of retainer plate.
Preferably, the positioning rod is inserted into the positioning groove, and a positioning structure is formed between the positioning rod and the positioning groove.
Preferably, the baffle plates are arranged in two groups, and the two groups of baffle plates are symmetrically distributed in the air outlet.
Preferably, the inner side of the fixed cover is provided with internal threads, the outer side of the top end of the air outlet is provided with external threads, and the fixed cover is in threaded connection with the air outlet.
The tail gas absorption tower for chemical production provided by the invention has the advantages that:
Through being provided with auxiliary structure, when handling tail gas, utilize the thrust of tail gas can drive rotatory flabellum and rotate, make rotatory flabellum drive puddler rotatory, at this moment rotatory puddler can carry out a stirring to the inside spray liquid of liquid storage tank, prevent the inside condition that the treatment composition of spray liquid appears depositing, make the spray liquid effect better when subsequent treatment, need not extra power supply, reduced the cost of handling;
furthermore, the heat exchange tube is designed to enable the tail gas to pass through the inside of the heat exchange tube, at the moment, the spray liquid in the liquid storage tank can be subjected to heating treatment through the heat exchange of the heat exchange tube, so that the heated spray liquid has better effect when the tail gas contains high-boiling-point organic matters such as methanol and acetone vapor, the spray liquid is heated by utilizing the heat of the tail gas, the external heat supply requirement is reduced, and the treatment cost is reduced;
Further, the rotating fan blades can drive the scraping plate to rotate when rotating, so that the inner wall at the bottom end of the absorption tower is scraped, the adhesive on the inner wall of the absorption tower can be scraped off timely, the corrosion of the adhesive on the inner wall is reduced, the wall scraping work is completed, and the service life and the working efficiency of the absorption tower are improved;
Through the demisting structure, the treated tail gas contains a large amount of moisture, and the subsequent equipment is easy to be influenced when the subsequent treatment is carried out, so that when the tail gas containing moisture flows through the baffle, the direction of the air flow is suddenly changed due to the flow passage, the air flow is forced to turn along the surface of the baffle, and the water drops are impacted on the surface of the baffle and trapped due to inertia, so that the water in the tail gas is reduced to carry out preliminary moisture removal work,
Further, through the design of the wire mesh demister, when tail gas containing fog drops flows through the wire mesh, the drops in the air flow are intercepted due to inertia or collision with the fibers when the tail gas flows around the wire mesh fibers along with the air flow, the intercepted drops are gathered into a liquid film on the surfaces of the wire mesh fibers, and when the gravity of the liquid film exceeds the drag force of the air flow, the liquid film can drop down to the bottom of the absorption tower to finish secondary water removal work, so that the water in the tail gas is removed.
Drawings
FIG. 1 is a schematic diagram of a front three-dimensional structure of the present invention;
FIG. 2 is a schematic diagram of a three-dimensional structure in elevation cross-section of the present invention;
FIG. 3 is a schematic view of a rear-view three-dimensional structure of the present invention;
FIG. 4 is a schematic elevational cross-sectional three-dimensional structure of an auxiliary structure according to the present invention;
FIG. 5 is a schematic view showing the bottom three-dimensional structure of the auxiliary structure according to the present invention;
FIG. 6 is a schematic view of a partially enlarged three-dimensional structure of FIG. 4A according to the present invention;
FIG. 7 is a schematic diagram of a three-dimensional structure of a stirring frame in front view according to the present invention;
FIG. 8 is a schematic rear view of a three-dimensional structure of a stirring frame according to the present invention;
FIG. 9 is a schematic diagram of a three-dimensional structure of a demisting structure in front view;
FIG. 10 is a schematic diagram of a demisting structure of the present invention in an exploded three-dimensional structure in elevation;
Fig. 11 is a partially enlarged three-dimensional structure schematic diagram of fig. 9B according to the present invention.
The reference numerals in the drawings indicate that 1, an absorption tower, 2, a fixed plate, 3, a liquid storage tank, 4, a connecting pipe, 5, an auxiliary structure, 501, a heat exchange pipe, 502, a stirring rod, 503, a connecting shaft, 504, a rotating fan blade, 505, a mounting box, 506, a first conical gear set, 507, a fixed shaft, 508, a mounting shaft, 509, a second conical gear set, 5010, a rotating seat, 5011, a fixed frame, 5012, a fixed box, 5013, a connecting rod, 5014, a scraping plate, 6, a water pump, 7, a defogging structure, 701, a fixed cover, 702, a through hole, 703, an air outlet, 704, a wire mesh defogger, 705, a fixed ring, 706, a baffling plate, 707, a filter layer, 708, a positioning rod, 709, a positioning groove, 8, an annular spray head, 9, a packing layer, 10 and a water outlet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 11, the tail gas absorption tower for chemical production provided by the invention comprises an absorption tower 1 and a fixing plate 2;
One side of absorption tower 1 is fixed with fixed plate 2, liquid storage pot 3 is installed on the top of fixed plate 2, water pump 6 is installed on the top of liquid storage pot 3, one side of absorption tower 1 is provided with connecting pipe 4, delivery port 10 is installed to the bottom of absorption tower 1, the inside of connecting pipe 4 is provided with auxiliary structure 5, packing layer 9 is installed on the inside top of absorption tower 1, annular shower head 8 is installed on the top of packing layer 9.
The auxiliary structure 5 comprises a heat exchange tube 501, wherein the heat exchange tube 501 is arranged on the outer wall of the liquid storage tank 3, one end of the heat exchange tube 501 is connected with one end of a connecting tube 4, a rotary fan blade 504 is arranged in the connecting tube 4, a connecting shaft 503 is arranged at the top end of the rotary fan blade 504, the top end of the connecting shaft 503 extends to the inside of the liquid storage tank 3, and a stirring rod 502 is arranged at the outer side of the top end of the connecting shaft 503;
The bottom end of the fixed plate 2 is provided with a mounting box 505, one side of the mounting box 505 is fixed with one side of the absorption tower 1, a first conical gear set 506 is mounted in the mounting box 505, a fixed shaft 507 is mounted at the top end of the first conical gear set 506, and the top end of the fixed shaft 507 penetrates through the inside of the connecting pipe 4 and is connected with the bottom end of the rotating fan blade 504;
the installation shaft 508 is installed on one side of the first conical gear set 506, the fixed box 5012 is installed at the bottom end inside the absorption tower 1, the fixed frames 5011 are installed on two sides of the fixed box 5012, the second conical gear set 509 is installed inside the fixed box 5012, the rotating seat 5010 is installed at the top end of the second conical gear set 509, the connecting rod 5013 is installed at the outer side of the rotating seat 5010, the scraping plate 5014 is installed at the top end of the connecting rod 5013, and one side of the installation shaft 508 is connected with one side of the second conical gear set 509;
the stirring rods 502 are provided with a plurality of groups, and the stirring rods 502 are annularly distributed at the top end of the connecting shaft 503;
The heat exchange tubes 501 are made of copper, and the heat exchange tubes 501 are spirally distributed outside the liquid storage tank 3.
Referring to fig. 1-8, there is shown: when the tail gas of chemical production is treated, the tail gas is conveyed into the connecting pipe 4 through the blower, when the tail gas is conveyed, the blower can accelerate the tail gas, when the tail gas passes through the inside of the connecting pipe 4, the rotary fan blade 504 can be driven to rotate by the thrust of the tail gas, the rotary fan blade 504 can drive the connecting shaft 503 to rotate when rotating, the connecting shaft 503 can drive the stirring rod 502 to rotate in the rotating process, at the moment, the rotating stirring rod 502 can stir the spraying liquid in the liquid storage tank 3, the condition that the treatment components in the spraying liquid are precipitated is prevented, the effect of the spraying liquid is better when the subsequent treatment is carried out, the tail gas passes through the inside of the heat exchange pipe 501 when passing through the inside of the connecting pipe 4, at the moment, the spraying liquid in the liquid storage tank 3 can be subjected to a heating treatment through the heat exchange of the heat exchange pipe 501, the heated spray liquid has better effect when treating the high boiling point organic matters such as methanol and acetone vapor in the tail gas, the spray liquid is heated by utilizing the heat of the tail gas, the external heat supply requirement is reduced, the treatment cost is reduced, the rotating fan blade 504 can also drive the fixed shaft 507 to rotate in the rotating process, the fixed shaft 507 can drive the installation shaft 508 to rotate through the cooperation of the first conical gear set 506 in the rotating process, the installation shaft 508 can drive the rotating seat 5010 to rotate through the cooperation of the second conical gear set 509 in the rotating process, the rotating seat 5010 can drive the scraping plate 5014 to rotate through the connecting rod 5013 to carry out scraping treatment on the inner wall of the inner bottom end of the absorption tower 1, the absorption tower 1 is in operation, the particles such as dust, salt and solute in the spray liquid in the tail gas are easy to form a hard scale layer on the inner wall of the tower, the effective flow sectional area in the tower is reduced, and cause the corrosion to reduce life-span and increase use cost to the inner wall, consequently through the use of scraping wallboard 5014, can in time be given the binder on the inner wall of absorption tower 1 and scrape, reduce the corrosion of binder to the inner wall, accomplish and scrape the wall work, improve the life and the work efficiency of absorption tower 1.
The top of the absorption tower 1 is provided with a demisting structure 7, the demisting structure 7 comprises an air outlet 703, the air outlet 703 is arranged at the top of the absorption tower 1, a fixed cover 701 is arranged at the top of the air outlet 703, a through hole 702 is formed at the top of the fixed cover 701, and a filter layer 707 is arranged in the fixed cover 701;
A fixing ring 705 is fixed in the air outlet 703, a wire mesh demister 704 is mounted at the top end of the fixing ring 705, a positioning rod 708 is fixed at the top end of the fixing ring 705, a positioning slot 709 is formed in the edge of the wire mesh demister 704, and a baffle 706 is mounted at the bottom end of the fixing ring 705;
the positioning rod 708 is inserted into the positioning slot 709, and a positioning structure is formed between the positioning rod 708 and the positioning slot 709;
The baffles 706 are provided with two groups, and the two groups of baffles 706 are symmetrically distributed in the air outlet 703;
The inner side of the fixed cover 701 is provided with an internal thread, the outer side of the top end of the air outlet 703 is provided with an external thread, and the fixed cover 701 and the air outlet 703 form a threaded connection.
Referring to fig. 9-11, the tail gas after heat exchange is discharged into the absorption tower 1, when the tail gas is discharged into the absorption tower 1, the external power supply starts the water pump 6, spray liquid is sprayed onto the surface of the filler layer 9, at this time, the use of the filler layer 9 can provide a huge gas-liquid contact interface, so that the tail gas treatment effect is better, the tail gas after treatment is completed, the tail gas after treatment is discharged through the air outlet 703, the tail gas after treatment contains a large amount of moisture, the influence on subsequent equipment is easily caused during the subsequent treatment, therefore, through the use of the baffle 706, when the tail gas containing moisture flows through the baffle 706, the direction of the air flow is suddenly changed along the surface of the baffle 706, and the air flow is forced to turn along with inertia, thereby the water drops collide onto the surface of the baffle 706 and are trapped, moisture in the tail gas is reduced, the primary water removal work is completed, along with the movement of the tail gas, when the tail gas containing moisture flows through the silk screen, the liquid drops in the air flow collide with the fiber, the fiber is blocked by the air flow, the water drops easily influence on subsequent equipment during the subsequent treatment, the tail gas is discharged through the water film, the water drops fall down to the water film 10 when the water drops pass through the water film, the water drop is more than the water drop, the water drop is discharged from the water film after the water drop is discharged from the water film, the water film is completely, the tail gas is filtered, the tail gas is discharged through the water film after the water drop is more completely, and the water film is filtered, and the water is removed after the water is removed, and the water after the water is removed.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. The tail gas absorption tower for chemical production is characterized by comprising an absorption tower (1) and a fixed plate (2);
One side of the absorption tower (1) is fixed with a fixed plate (2), the top end of the fixed plate (2) is provided with a liquid storage tank (3), the top end of the liquid storage tank (3) is provided with a water pump (6), one side of the absorption tower (1) is provided with a connecting pipe (4), the bottom end of the absorption tower (1) is provided with a water outlet (10), the inside of the connecting pipe (4) is provided with an auxiliary structure (5), the top end of the inside of the absorption tower (1) is provided with a packing layer (9), and the top end of the packing layer (9) is provided with an annular spray header (8);
Auxiliary structure (5) are including heat exchange tube (501), heat exchange tube (501) are installed on the outer wall of reservoir (3), the one end of heat exchange tube (501) is connected with the one end of connecting pipe (4), internally mounted of connecting pipe (4) has rotatory flabellum (504), connecting axle (503) are installed on the top of rotatory flabellum (504), the top of connecting axle (503) extends to the inside of reservoir (3), puddler (502) are installed in the outside on connecting axle (503) top.
2. The tail gas absorption tower for chemical production according to claim 1, wherein an installation box (505) is arranged at the bottom end of the fixed plate (2), one side of the installation box (505) is fixed with one side of the absorption tower (1), a first conical gear set (506) is installed in the installation box (505), a fixed shaft (507) is installed at the top end of the first conical gear set (506), and the top end of the fixed shaft (507) penetrates through the inside of the connecting pipe (4) and is connected with the bottom end of the rotating fan blade (504).
3. The tail gas absorption tower for chemical production according to claim 2, wherein the installation shaft (508) is installed on one side of the first conical gear set (506), the fixed box (5012) is installed at the bottom of the inside of the absorption tower (1), the fixed frames (5011) are installed on two sides of the fixed box (5012), the second conical gear set (509) is installed in the inside of the fixed box (5012), the rotating seat (5010) is installed at the top end of the second conical gear set (509), the connecting rod (5013) is installed on the outer side of the rotating seat (5010), the scraping plate (5014) is installed at the top end of the connecting rod (5013), and one side of the installation shaft (508) is connected with one side of the second conical gear set (509).
4. The tail gas absorption tower for chemical production according to claim 1, wherein a plurality of groups of stirring rods (502) are arranged, and the stirring rods (502) are annularly distributed at the top end of the connecting shaft (503).
5. The tail gas absorption tower for chemical production according to claim 1, wherein the heat exchange tubes (501) are made of copper, and the heat exchange tubes (501) are spirally distributed outside the liquid storage tank (3).
6. The tail gas absorption tower for chemical production of claim 1, wherein the top end of the absorption tower (1) is provided with a demisting structure (7), the demisting structure (7) comprises an air outlet (703), the air outlet (703) is arranged at the top end of the absorption tower (1), a fixed cover (701) is arranged at the top end of the air outlet (703), a through hole (702) is formed in the top end of the fixed cover (701), and a filter layer (707) is arranged in the fixed cover (701).
7. The tail gas absorption tower for chemical production of claim 6, wherein a fixing ring (705) is fixed in the air outlet (703), a wire mesh demister (704) is arranged at the top end of the fixing ring (705), a positioning rod (708) is fixed at the top end of the fixing ring (705), a positioning groove (709) is formed in the edge of the wire mesh demister (704), and a baffle plate (706) is arranged at the bottom end of the fixing ring (705).
8. The tail gas absorption tower for chemical production according to claim 7, wherein the positioning rod (708) is inserted into the positioning groove (709), and a positioning structure is formed between the positioning rod (708) and the positioning groove (709).
9. The tail gas absorption tower for chemical production according to claim 7, wherein two groups of baffle plates (706) are arranged, and the two groups of baffle plates (706) are symmetrically distributed in the gas outlet (703).
10. The tail gas absorption tower for chemical production according to claim 7, wherein an inner thread is arranged on the inner side of the fixed cover (701), an outer thread is arranged on the outer side of the top end of the gas outlet (703), and the fixed cover (701) and the gas outlet (703) form threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510903728.3A CN120618220A (en) | 2025-07-01 | 2025-07-01 | Tail gas absorption tower for chemical production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510903728.3A CN120618220A (en) | 2025-07-01 | 2025-07-01 | Tail gas absorption tower for chemical production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN120618220A true CN120618220A (en) | 2025-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510903728.3A Pending CN120618220A (en) | 2025-07-01 | 2025-07-01 | Tail gas absorption tower for chemical production |
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| CN218077179U (en) * | 2022-09-19 | 2022-12-20 | 山东鸿泰鼎新材料科技有限公司 | Spinning exhaust solvent recovery device |
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| CN220656986U (en) * | 2023-08-16 | 2024-03-26 | 奥波环境新能源(无锡)有限公司 | NMP waste gas waste heat recovery equipment |
| CN222585942U (en) * | 2024-04-02 | 2025-03-11 | 长沙皓龙环保科技有限公司 | A high-efficient defroster for exhaust-gas treatment |
| CN222076167U (en) * | 2024-04-08 | 2024-11-29 | 安徽天方工业工程技术研究院有限公司 | An energy-saving and environmentally friendly tail gas treatment tower for factories |
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