CN119588149A - A multi-stage spray treatment device for waste gas from a printing and dyeing setting machine - Google Patents
A multi-stage spray treatment device for waste gas from a printing and dyeing setting machine Download PDFInfo
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- CN119588149A CN119588149A CN202411897583.2A CN202411897583A CN119588149A CN 119588149 A CN119588149 A CN 119588149A CN 202411897583 A CN202411897583 A CN 202411897583A CN 119588149 A CN119588149 A CN 119588149A
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- waste gas
- spray tower
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/14—Packed scrubbers
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- 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
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- 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
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1487—Removing organic compounds
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- 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
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- 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
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
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- 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
- B01D53/38—Removing components of undefined structure
- B01D53/42—Basic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
Abstract
本发明涉及废气多级喷淋处理技术领域，公开了一种印染定型机废气多级喷淋处理装置，包括喷淋塔，所述喷淋塔的外壁固定连接有三个输送管，三个所述输送管的一端均固定连接有分流管，所述分流管的内部固定连接有雾化喷头，所述喷淋塔的底部固定连接有进气管，所述喷淋塔的内壁中部固定连接有冷却翅片，所述喷淋塔的内壁设置有过滤组件，所述过滤组件用于过滤废气中的杂质。本发明中，解决了喷淋处理装置，气液接触时间不足，使废气分布不均，难以充分结合与降温，导致处理效果不佳的问题，达到了对废气进行均匀分布和雾化水能够充分接触，污染物被更高效地吸附、溶解或化学反应，提高去除效果。
The present invention relates to the technical field of multi-stage spray treatment of waste gas, and discloses a multi-stage spray treatment device for waste gas of a printing and dyeing setting machine, comprising a spray tower, the outer wall of which is fixedly connected with three delivery pipes, one end of each of the three delivery pipes is fixedly connected with a shunt pipe, the inside of the shunt pipe is fixedly connected with an atomizing nozzle, the bottom of the spray tower is fixedly connected with an air inlet pipe, the middle of the inner wall of the spray tower is fixedly connected with a cooling fin, and the inner wall of the spray tower is provided with a filter assembly, which is used to filter impurities in the waste gas. In the present invention, the problem that the spray treatment device has insufficient gas-liquid contact time, resulting in uneven distribution of waste gas, difficulty in full combination and cooling, and poor treatment effect is solved, and the waste gas is evenly distributed and fully contacted with atomized water, and the pollutants are more efficiently adsorbed, dissolved or chemically reacted, thereby improving the removal effect.
Description
Technical Field
The invention relates to the technical field of waste gas multistage spray treatment, in particular to a device for multistage spray treatment of waste gas of a printing and dyeing setting machine.
Background
The printing and dyeing setting machine can generate high-temperature exhaust gas containing oil smoke in the textile production process, and the exhaust gas contains a large amount of pollutants such as particulate matters, oil mist, organic volatile matters (VOCs), acid or alkaline gas and the like, so that the environment is seriously polluted, and the human health is endangered. Therefore, it must be handled efficiently. The multistage spray treatment device for the waste gas of the printing and dyeing setting machine is used, because the device can gradually purify the waste gas through a multistage spray system, the first layer is used for cooling and removing particles, the second layer is used for carrying out chemical absorption on acidic or alkaline gas, the third layer is used for further removing oil mist and VOCs, and finally, the tail gas deep purification technology is combined to ensure that the waste gas reaches the emission standard. The multistage treatment mode is efficient and environment-friendly, can cope with complex waste gas components, and simultaneously reduces the emission concentration of pollutants.
The traditional multistage spray treatment device for waste gas of the printing and dyeing setting machine is used for treating waste gas in a layer-by-layer spray purification mode, and is simple in operation flow and high in efficiency. The waste gas firstly enters the device from the bottom of the tower and passes through the spraying area layer by layer. The first layer uses clear water or cooling liquid for spraying, the second layer uses alkali liquor or acid liquor for chemical absorption of acid or alkaline gas, and the third layer sprays special adsorption liquor or clear water for removing oil mist and VOCs, and further purifying waste gas. Finally, the purified waste gas is discharged from the top, the spraying liquid can be recycled in the treatment process, and the waste liquid is collected uniformly and then subjected to centralized treatment, so that the waste gas is ensured to reach the emission standard.
In traditional printing and dyeing setting machine waste gas multistage spray processing apparatus, the waste gas velocity of flow is higher generally, and spray liquid's droplet receives gravity influence, subsides easily or carried by the air current, leads to gas-liquid contact time not enough, makes waste gas uneven distribution, is difficult to fully combine and cool down, leads to the treatment effect not good.
Disclosure of Invention
In order to make up for the defects, the invention provides a multistage spray treatment device for waste gas of a printing and dyeing setting machine, which aims to solve the problems that the traditional multistage spray treatment device is insufficient in gas-liquid contact time, uneven in waste gas distribution, difficult to fully combine and cool and poor in treatment effect.
In order to achieve the purpose, the technical scheme is that the multi-stage spray treatment device for the waste gas of the printing and dyeing setting machine comprises a spray tower, wherein three conveying pipes are fixedly connected to the outer wall of the spray tower, one ends of the three conveying pipes are fixedly connected with split pipes, an atomization spray head is fixedly connected to the inside of each split pipe, an air inlet pipe is fixedly connected to the bottom of the spray tower, a cooling fin is fixedly connected to the middle part of the inner wall of the spray tower, a filtering assembly is arranged on the inner wall of the spray tower and is used for filtering impurities in the waste gas, and a discharge assembly is arranged at the top of the spray tower and is used for discharging the treated waste gas;
The filter assembly comprises a pall ring packing plate, the outer wall of the pall ring packing plate is fixedly connected to the inner wall of the spray tower, an activated carbon filter plate is arranged above the pall ring packing plate, and the outer wall of the activated carbon filter plate is fixedly connected to the inner wall of the spray tower.
Further, the exhaust assembly comprises a demisting top plate, the lower surface of the demisting top plate is fixedly connected to the top of the spray tower, an exhaust pipe is fixedly connected to the top of the demisting top plate, and a blower is fixedly connected to one end of the exhaust pipe.
Further, the bottom sliding connection of spray column has the waste liquid storehouse, outer wall one side fixedly connected with hinge of spray column, the outer wall fixedly connected with annular guard plate of hinge, the one end fixedly connected with fixed block one of annular guard plate, the outer wall opposite side fixedly connected with fixed block two of spray column, the inside rotation of fixed block one is connected with the pivot, the one end fixedly connected with fixture block of pivot, the outer wall fixedly connected with spacing ring of pivot, the outer wall of pivot is provided with twists reverse the subassembly, twist reverse the subassembly and be used for driving the fixture block card in the inside of fixed block two.
Further, the torsion assembly comprises a fixed ring, the outer wall of the fixed ring is fixedly connected with the outer wall of the rotating shaft, a torsion spring is sleeved on the outer wall of the rotating shaft, one end of the torsion spring is fixedly connected with the outer wall of the fixed ring, and the other end of the torsion spring is fixedly connected with the inner part of the first fixed block.
Further, the waste liquid bin is arranged below the air inlet pipe and is used for bearing waste liquid.
Further, the annular protection plate is arranged on one side of the outer wall of the activated carbon filter plate and used for limiting the activated carbon filter plate.
Further, the outer wall of the clamping block is arranged in the second fixing block, and the clamping block is used for fixing the first fixing block and the second fixing block.
Further, the outer wall of the limiting ring is rotatably connected to the inside of the first fixed block, and the limiting ring is used for limiting rotation of the rotating shaft.
The invention has the following beneficial effects:
1. According to the invention, firstly, waste gas is sent into the spray tower through the air inlet pipe, then, clean and alkaline solution and oil absorbent are respectively conveyed through the three conveying pipes to be uniformly sprayed into the spray tower through the atomizing spray head and the shunt pipe, at the moment, air is uniformly distributed in the spray tower through the dispersion of the pall ring filler plates and combined with atomized water, so that the air is filtered by the activated carbon filter plates, and finally, the air is further cooled through the cooling fins, so that the problems of insufficient gas-liquid contact time of the spray treatment device, uneven distribution of the waste gas, difficulty in sufficient combination and cooling, poor treatment effect are solved, the uniform distribution of the waste gas and sufficient contact of the atomized water are achieved, the pollutants are adsorbed, dissolved or chemically reacted more efficiently, and the removal effect is improved.
2. According to the invention, firstly, waste liquid is collected intensively through the waste liquid bin for treatment, then the rotating shaft is driven to drive the clamping block to rotate in the second fixed block, and then the annular protection plate is dismounted by matching with the rotating shaft, the fixed ring, the torsion spring and the limiting ring, so that the activated carbon filter plate is convenient to clean or replace, the design of dismounting and cleaning is achieved, the filter plate is kept in a clean state all the time, and the stable air flow and the high-efficiency dust capturing capability are maintained.
Drawings
FIG. 1 is a schematic perspective view of a multi-stage spray treatment device for waste gas of a printing and dyeing setting machine;
FIG. 2 is a schematic diagram of the inner structure of a spray tower of the multi-stage spray treatment device for waste gas of the printing and dyeing setting machine;
Fig. 3 is a schematic diagram of the structure above the pall ring packing plate of the multi-stage spray treatment device for waste gas of the printing and dyeing setting machine;
FIG. 4 is a schematic diagram of a waste liquid bin structure of a multi-stage spray treatment device for waste gas of a printing and dyeing setting machine;
FIG. 5 is a schematic diagram of a side structure of an annular protection plate of a multi-stage spray treatment device for waste gas of a printing and dyeing setting machine;
Fig. 6 is a schematic diagram of an internal structure of a fixing block of a multi-stage spray treatment device for waste gas of a printing and dyeing setting machine.
Legend description:
1. the spray tower comprises a spray tower body, a conveying pipe, a split pipe, an atomizing spray head, an air inlet pipe, a pall ring packing plate, an active carbon filter plate, a cooling fin, a demisting top plate, a discharging pipe, an air blower, a waste liquid bin, an annular protection plate, 14, a hinge, 15, a first fixing block, 16, a second fixing block, 17, a rotating shaft, 18, a fixing ring, 19, a torsion spring, 20, a clamping block, 21 and a limiting ring.
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. 1-3, the invention provides an embodiment of a multistage spray treatment device for waste gas of a printing and dyeing setting machine, which comprises a spray tower 1, wherein three conveying pipes 2 are fixedly connected to the outer wall of the spray tower 1, one ends of the three conveying pipes 2 are fixedly connected with split pipes 3, the inner walls of the split pipes 3 are fixedly connected with atomizing nozzles 4, firstly, the conveying pipes 2 are respectively connected with a cleaning machine, an alkaline solution and an oil removal machine and are conveyed to the inner parts of the split pipes 3, then, the atomizing nozzles 4 in the split pipes 3 are used for atomizing and conveying the alkaline solution and the oil removal machine to the inner parts of the spray tower 1, the bottom of the spray tower 1 is fixedly connected with an air inlet pipe 5, and the spray tower 1 is connected with a waste gas pipeline through the air inlet pipe 5, so that waste gas is conveyed to the inner part of the spray tower 1, the middle part of the inner wall of the spray tower 1 is fixedly connected with cooling fins 8, the waste gas can be further cooled through the cooling fins 8, conditions are created for subsequent absorption reaction, the inner wall of the spray tower 1 is provided with a filter component used for filtering impurities in the waste gas, and the top of the spray tower 1 is provided with a discharge component used for discharging treated waste gas;
The filter assembly comprises a pall ring packing plate 6, the outer wall of the pall ring packing plate 6 is fixedly connected to the inner wall of the spray tower 1, an activated carbon filter plate 7 is arranged above the pall ring packing plate 6, the outer wall of the activated carbon filter plate 7 is fixedly connected to the inner wall of the spray tower 1, the conveyed waste gas is guided through the pall ring packing plate 6, so that the waste gas is uniformly distributed in the spray tower 1, then the dust quality is improved through a water atomizing structure with clean water, the dust quality is better filtered by the activated carbon filter plate 7, the discharge assembly comprises a demisting top plate 9, the lower surface of the demisting top plate 9 is fixedly connected to the top of the spray tower 1, the top of the demisting top plate 9 is fixedly connected with a discharge pipe 10, one end of the discharge pipe 10 is fixedly connected with a blower 11, the treated waste gas is demisted through the demisting top plate 9 and conveyed to the inner part of the discharge pipe 10, and the filtering process is driven by the blower 11, so that the flow rate is accelerated;
Referring to fig. 4-6, the bottom of the spray tower 1 is slidably connected with a waste liquid bin 12, after long-time use, filtered waste is combined with atomized water to form waste water, and flows into the waste liquid bin 12 along the inner wall of the spray tower 1, concentrated collection is performed, one side of the outer wall of the spray tower 1 is fixedly connected with a hinge 14, the outer wall of the hinge 14 is fixedly connected with an annular protection plate 13, one end of the annular protection plate 13 is fixedly connected with a first fixed block 15, the other side of the outer wall of the spray tower 1 is fixedly connected with a second fixed block 16, the inside of the first fixed block 15 is rotationally connected with a rotating shaft 17, one end of the rotating shaft 17 is fixedly connected with a clamping block 20, the outer wall of the rotating shaft 17 is fixedly connected with a limiting ring 21, the rotating shaft 17 is driven to drive the clamping block 20 to rotate in the second fixed block 16, the rotating shaft 17 can only rotate by 90 degrees due to the limitation of the limiting ring 21, the clamping block 20 can be driven from the inside of the second fixed block 16 after 90 degrees rotation, the annular protection plate 13 can be pulled open to replace or clean the inside active carbon filter plate 7, the outer wall of the rotating shaft 17 is provided with a torsion component, the torsion component is used for driving a clamping block 20 to be clamped in the second fixed block 16, the torsion component comprises a fixed ring 18, the outer wall of the fixed ring 18 is fixedly connected to the outer wall of the rotating shaft 17, a torsion spring 19 is sleeved on the outer wall of the rotating shaft 17, one end of the torsion spring 19 is fixedly connected to the outer wall of the fixed ring 18, the other end of the torsion spring 19 is fixedly connected to the first fixed block 15, the torsion spring 19 is driven to twist through the fixed ring 18 when the rotating shaft 17 is driven to rotate, and when the annular protection plate is installed, the clamping block 20 is only required to be inserted into the second fixed block 16, at the moment, the torsion spring 19 rotates to drive the clamping block 20 to be clamped in the second fixed block 16, and meanwhile the rotating shaft 17 can be prevented from rotating randomly, the waste liquid storehouse 12 sets up in the below of intake pipe 5, and waste liquid storehouse 12 is used for bearing waste liquid, and annular guard plate 13 sets up in the outer wall one side of active carbon filter 7, and annular guard plate 13 is used for spacing active carbon filter 7, and the outer wall setting of fixture block 20 is in the inside of fixed block two 16, and fixture block 20 is used for fixing fixed block one 15 and fixed block two 16, and the outer wall rotation of spacing ring 21 is connected in the inside of fixed block one 15, and spacing ring 21 is used for restricting the rotation of pivot 17.
When the multi-stage spray treatment device for the waste gas of the printing and dyeing setting machine is required to be used, firstly, air is conveyed into the spray tower 1 through the air inlet pipe 5, then three conveying pipes 2 in the spray tower 1 are sequentially connected from bottom to top, and clear water is an alkaline solution such as dilute Na0H solution-oil absorbent. Then, the air is respectively conveyed to the three shunt pipes 3 in the spray tower 1 and finally discharged to the spray tower 1 through the atomizing spray heads 4, at the moment, after entering the spray tower 1, the air is firstly shunted through the pall ring packing plates 6, so that the air is uniformly distributed in the spray tower 1, then, the air is firstly contacted with clean water atomized water, at the moment, dust in the air is combined with the atomized water, the volume of the air is increased, the air is more efficiently adsorbed and filtered by the activated carbon filter plates 7, the filtered air is cooled through the cooling fins 8 to prevent the waste gas from overheating, then, the waste gas is combined with alkaline solution to remove acidic or alkaline components in the waste gas, finally, the air and oil absorbing agents are combined to adsorb or separate oil mist and volatile organic compounds in the waste gas, and finally, the air subjected to multi-layer treatment is defogged through the defogging top plate 9 and then discharged through the discharge pipe 10;
In addition, the atomized water combined with the waste gas after long-time use can form waste water, so that the inside of the remaining waste liquid bin 12 is subjected to centralized treatment, then the rotating shaft 17 is driven to drive the clamping block 20 to rotate in the second fixed block 16, meanwhile, the torsion spring 19 is driven to twist through the fixing ring 18, and the limiting ring 21 is driven to slide in the first fixed block 15, as the limiting ring 21 can only rotate by 90 degrees due to the design of the sliding groove in the first fixed block 15, the inside of the second fixed block 16 can be pulled out by the rotating clamping block 20, then the annular protection plate 13 can be pulled open, so that the activated carbon filter plate 7 is taken out for cleaning or replacement, and during installation, the activated carbon filter plate 7 and the annular protection plate 13 only need to be replaced, and then the clamping block 20 is driven to be clamped in the second fixed block 16 again through the rebound of the torsion spring 19, so that the activated carbon filter plate 7 is disassembled and assembled.
It should be noted that, although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, and improvements to some of the technical features described in the foregoing embodiments may be made by those skilled in the art, and all modifications, equivalents, improvements and modifications are intended to be included in the scope of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411897583.2A CN119588149A (en) | 2024-12-20 | 2024-12-20 | A multi-stage spray treatment device for waste gas from a printing and dyeing setting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411897583.2A CN119588149A (en) | 2024-12-20 | 2024-12-20 | A multi-stage spray treatment device for waste gas from a printing and dyeing setting machine |
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| Publication Number | Publication Date |
|---|---|
| CN119588149A true CN119588149A (en) | 2025-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411897583.2A Pending CN119588149A (en) | 2024-12-20 | 2024-12-20 | A multi-stage spray treatment device for waste gas from a printing and dyeing setting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120252011A (en) * | 2025-06-04 | 2025-07-04 | 江苏天兴环保股份有限公司 | Waste gas incineration device with multi-stage purification function |
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2024
- 2024-12-20 CN CN202411897583.2A patent/CN119588149A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120252011A (en) * | 2025-06-04 | 2025-07-04 | 江苏天兴环保股份有限公司 | Waste gas incineration device with multi-stage purification function |
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