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CN110201480B - Waste gas recovery and treatment system of printing and dyeing setting machine - Google Patents

Waste gas recovery and treatment system of printing and dyeing setting machine Download PDF

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Publication number
CN110201480B
CN110201480B CN201910607738.7A CN201910607738A CN110201480B CN 110201480 B CN110201480 B CN 110201480B CN 201910607738 A CN201910607738 A CN 201910607738A CN 110201480 B CN110201480 B CN 110201480B
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China
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partition
communicated
communicating pipe
printing
waste gas
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CN110201480A (en
Inventor
郑春光
林修禧
裴元元
张明
陈文娟
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Fujian Honggang Textile Technology Co ltd
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Fujian Honggang Textile Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses a waste gas recovery and treatment system of a printing and dyeing setting machine, which comprises a waste heat recovery device, a purification treatment device and an electrostatic treatment device; the purifying device comprises a shell communicated with the waste heat recovery device, two first partition boards are arranged in the shell to divide the shell into a first spray head area, a spraying area and a second spray head area in sequence, two ends of the bottom of the spraying area are respectively communicated with the waste heat recovery device through a first communicating pipe and a second communicating pipe, the upper end of the spraying area is communicated with the static treatment device through a third communicating pipe, the two spray head areas are respectively provided with a plurality of spray heads, the first partition boards are respectively provided with a plurality of first through holes, the lower part of the first partition boards are respectively provided with a plurality of second partition boards, a water supply circulation channel is arranged between the lower end of the second partition boards and the bottom of the spraying area, the second partition boards are respectively provided with a plurality of second through holes, and the bottom of the spraying area is provided with a water outlet. The invention has high recovery rate of waste gas heat energy, less oil smoke contained in waste gas entering the electrostatic treatment device and long service life of the device.

Description

Waste gas recovery and treatment system of printing and dyeing setting machine
Technical Field
The invention relates to the technical field of energy conservation and emission reduction in printing and dyeing and waste gas treatment, in particular to a waste gas recovery and treatment system of a printing and dyeing setting machine.
Background
Along with the continuous and rapid development of the industry in China, the industrial production brings a certain degree of pollution to the environment, particularly the waste gas problem, and if the waste gas is directly discharged into the atmosphere without purification treatment, the waste gas seriously jeopardizes the health of people.
The waste gas discharged by the setting machine in the printing and dyeing industry is high-temperature hot gas, and the temperature of the waste gas is about 180 ℃. The waste gas contains various harmful components such as oil smoke, dust, textile fibers and the like. If the waste gas is directly discharged into the atmosphere, the waste gas is neither environment-friendly nor energy-saving, so that the waste gas of the existing setting machine is required to reach the standard for discharge, thereby saving energy and reducing environmental pollution.
In order to improve economic benefit, in large-scale printing and dyeing enterprises, the waste gas of the existing setting machine is comprehensively treated, mainly comprising the steps of recovering waste heat of the waste gas and tobacco tar in the waste gas, and purifying the waste gas through a purifier atomization washing or high-voltage electrostatic device to reach the emission standard.
The chinese patent application No. 201610358704.5 discloses a waste heat recovery type setting machine waste gas treatment device, in which a coarse filtration device is connected to the outlet end of an air inlet pipe, the outlet end of the coarse filtration device is connected to the inlet section of the waste heat recovery device, and the energy of the high-temperature waste gas is efficiently recovered through a heat pipe. The cooled waste gas enters a filter tower, a spray generator, a spraying device and a two-stage high-voltage electrostatic device are arranged in the filter tower from bottom to top, so that the temperature of the waste gas is further reduced, the smoke in the waste gas is removed, the treated waste gas reaches the emission standard, and finally the waste gas is discharged into the atmosphere through an air supply pipe. However, the spraying method is difficult to clean because the rising speed of the waste gas is too high, and the waste gas finally entering the high-voltage electrostatic device also contains excessive oil and smoke oil, so that the high-voltage electrostatic device is easy to damage and has short service life.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a waste gas recovery and treatment system of a printing and dyeing setting machine, wherein the waste gas has high heat energy recovery rate, less oil smoke contained in waste gas entering an electrostatic treatment device and long service life.
The invention solves the technical problems and adopts the technical proposal that a seal is provided
The waste gas recovery and treatment system of the dyeing and setting machine comprises: waste heat recovery device, purifying treatment device and static treatment device; the waste heat treatment device comprises a waste heat recovery device, a waste gas discharge port of a setting machine is communicated with one end of the waste heat recovery device, the other end of the waste heat recovery device is communicated with a purifying device, the purifying device comprises a shell communicated with the waste heat recovery device, two first partition boards are arranged in the shell to divide the shell into a first spray head area, a spraying area and a second spray head area in sequence, two ends of the bottom of the spraying area are respectively communicated with the waste heat recovery device through a first communicating pipe and a second communicating pipe, the upper end of the spraying area is communicated with the electrostatic treatment device through a third communicating pipe, a plurality of spray heads are arranged in the first spray head area and the second spray head area, a plurality of first through holes are formed in the first partition boards, a plurality of second partition boards are arranged below the first partition boards, a water supply circulation channel is arranged between the lower end of the second partition boards and the bottom of the spraying area, a plurality of second through holes are formed in the second partition boards, and a water outlet is formed in the bottom of the spraying area.
As the optimization of the technical scheme, the distance between the lower end of the second partition plate and the bottom of the spraying area is gradually reduced from the position close to the corresponding first partition plate to the position far away from the corresponding first partition plate, the first partition plate is provided with a drainage plate connected with the bottom of the spraying area, the channel is positioned between the drainage plate and the second partition plate, and the first communicating pipe and the second communicating pipe are communicated with one side, close to the corresponding first partition plate, of the drainage plate. The setting of drainage board can let water go out from the delivery port fast, avoids its piling up to influence first communicating pipe and second communicating pipe and give vent to anger in the casing, owing to contain the oil smoke of wasing waste gas in the spray liquid moreover, is located the shell for a long time, can make oil water separation for be stained with grease in the casing, accumulation can take place to drop throughout the year, can block up first communicating pipe and second communicating pipe.
As the optimization of the technical scheme, the water outlet is positioned between the two drainage plates or at the joint of the two drainage plates communicated with the water outlet.
Preferably, the spray heads are perpendicular to the corresponding first partition plates.
As the preferable mode of the technical scheme, the spray heads are in one-to-one correspondence with the first through holes.
As a preferable aspect of the above-described aspect, the second separator is inclined toward the corresponding first separator.
Preferably, in the above technical solution, the second through holes on the adjacent second partition plates are connected by a connecting pipe, and the connecting pipe is inclined upwards. The connecting pipe upward inclination makes things convenient for spray liquid to flow in the intraductal, can prevent as far as possible that the oil smoke from gluing in the intraductal, and in actual operation, the connecting pipe is located the position that can make things convenient for spray water to get into the connecting pipe, and the water temperature in the intraductal of this entering is not high, can carry out the spraying of more opportunities to waste gas like this, improves the effect of spraying, reduces the content of oil smoke in the waste gas at last.
As a preferable aspect of the above-described aspect, the angle α between the connecting pipe and the horizontal direction is 30 ° or more and 60 ° or less.
Preferably, the connecting pipe is provided with a plurality of third through holes. The exhaust gas can be sprayed to a certain extent through the third through hole, so that the amount of oil smoke in the exhaust gas is reduced more effectively.
As a preferable mode of the above technical solution, the upper ends of the first communication pipe and the second communication pipe are provided with curved pipes. Can prevent that liquid from getting into in first communicating pipe and the second communicating pipe, if the crooked pipe submergence is in the aquatic simultaneously, can also carry out preliminary cooking fume removal to waste gas.
Through the technical scheme, the beneficial effects who reaches are: according to the invention, the shell is divided into three parts by arranging the two first partition boards, so that gas can be divided into two parts and simultaneously subjected to purification treatment, the working efficiency is improved, and the spraying area can be divided into a plurality of small areas by arranging the plurality of second partition boards on the first partition boards, the spraying effect is improved, the removal rate of oil smoke in waste gas is improved, the recovery effect of waste gas is improved, the waste gas entering the electrostatic treatment device contains less oil smoke, and the service life of the device is prolonged.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of embodiment 2 of the present invention;
Fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Example 1:
The waste gas recovery and treatment system of the printing and dyeing setting machine shown in fig. 1 comprises a waste heat recovery device 1, a purification treatment device 2 and an electrostatic treatment device 3.
One end of the waste heat recovery device 1 is communicated with an exhaust gas outlet of the setting machine, the other end of the waste heat recovery device 1 is communicated with the purification device 2, the purification device 2 comprises a shell 21 communicated with the waste heat recovery device 1, two first partition boards 211 are arranged in the shell 21 to divide the shell 21 into a first spray head area 212, a spraying area 213 and a second spray head area 214 in sequence, two ends of the bottom of the spraying area 213 are respectively communicated with the waste heat recovery device 1 through a first communicating pipe 22 and a second communicating pipe 23, the upper end of the spraying area 213 is communicated with the electrostatic treatment device 3 through a third communicating pipe 4, the first spray head area 212 and the second spray head area 214 are respectively provided with a plurality of spray heads 24, the first partition boards 211 are respectively provided with a plurality of first through holes, the lower parts of the first partition boards 211 are respectively provided with a plurality of second partition boards 25, by arranging two first partition boards, the shell is divided into three parts, on one hand, gas can be divided into two parts for purification treatment simultaneously, the working efficiency is improved, on the other hand, a plurality of second partition boards are arranged on the first partition boards, a spray area can be divided into a plurality of small areas, the spraying effect is improved, the removal rate of oil smoke in the waste gas is improved, the recycling effect of the waste gas is improved, the oil smoke contained in the waste gas entering the electrostatic treatment device is less, the service life of the device is prolonged, a water supply circulation channel 26 is arranged between the lower end of the second partition board 25 and the bottom of the spray area 213, a plurality of second through holes are arranged on the second partition board 25, the second through holes are not easy to be distributed too much, the waste gas is prevented from penetrating through the second through holes quickly and being discharged into the electrostatic treatment device, in the embodiment, the second through holes are arranged at the upper end of each second partition board and are convenient to be arranged at the connecting pipe and near the lower end, the bottom of the spraying area 213 is provided with a water outlet 2131.
The spray heads 24 are perpendicular to the corresponding first partition 211. The spray heads 24 are in one-to-one correspondence with the first through holes. The second partition plates 25 are inclined toward the corresponding first partition plates 211. The second through holes 251 of the adjacent second partition plates 25 are connected by a connection pipe 29, and the connection pipe 29 is inclined upward. The connecting pipe upward sloping makes things convenient for spray liquid to flow in the intraductal, can prevent as far as possible that the oil smoke from gluing in the intraductal, and in actual operation, the connecting pipe is located can make things convenient for spray water to get into the position of connecting pipe (above-mentioned second through-hole that is convenient for set up connecting pipe department links to each other promptly), and not every second through-hole all links to each other with another second through-hole, and the water temperature that gets into intraductal at this place is not high, can carry out the spraying of more opportunities to waste gas like this, improves the effect of spraying, reduces the content of oil smoke in the waste gas at last. The angle alpha 291 between the connecting pipe 29 and the horizontal direction is 30 deg. or more and 60 deg. or less, and the angle alpha in this embodiment is 30 deg..
The upper ends of the first communication pipe 22 and the second communication pipe 23 are provided with a bent pipe 20. Can prevent that liquid from getting into in first communicating pipe and the second communicating pipe, if the crooked pipe submergence is in the aquatic simultaneously, can also carry out preliminary cooking fume removal to waste gas.
Example 2:
The waste gas recovery and treatment system of the printing and dyeing setting machine comprises a waste heat recovery device 1, a purification treatment device 2 and an electrostatic treatment device 3. More preferably on the basis of example 1:
The distance between the lower end of the second partition plate 25 and the bottom of the spraying area 213 gradually decreases from the position near the corresponding first partition plate 211 to the position far away from the corresponding first partition plate 211, the first partition plate 211 is provided with a drainage plate 27 connected with the bottom of the spraying area 213, the channel 26 is located between the drainage plate 27 and the second partition plate 25, and the first communication pipe 22 and the second communication pipe 23 are communicated with one side of the drainage plate 27 near the corresponding first partition plate 211. The setting of drainage board can let water go out from the delivery port fast, avoids its piling up to influence first communicating pipe and second communicating pipe and give vent to anger in the casing, owing to contain the oil smoke of wasing waste gas in the spray liquid moreover, is located the shell for a long time, can make oil water separation for be stained with grease in the casing, accumulation can take place to drop throughout the year, can block up first communicating pipe and second communicating pipe. The water outlet 2131 is positioned between the two drainage plates 27.
And in this embodiment the angle alpha is chosen to be 60 deg..
Example 3
The waste gas recovery and treatment system of the printing and dyeing setting machine comprises a waste heat recovery device 1, a purification treatment device 2 and an electrostatic treatment device 3. The difference from example 2 is that:
the water outlet 2131 is communicated with the joint of the two drainage plates 27.
The connection pipe 29 is provided with a plurality of third through holes. The exhaust gas can be sprayed to a certain extent through the third through hole, so that the amount of oil smoke in the exhaust gas is reduced more effectively.
And in this embodiment the angle alpha is chosen to be 45 deg..
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (7)

1. The waste gas recovery and treatment system of the printing and dyeing setting machine is characterized by comprising a waste heat recovery device (1), a purification treatment device (2) and an electrostatic treatment device (3); one end of the waste heat recovery device (1) is communicated with an exhaust gas outlet of the setting machine, the other end of the waste heat recovery device (1) is communicated with the purification treatment device (2), the purification treatment device (2) comprises a shell (21) communicated with the waste heat recovery device (1), two first partition boards (211) are arranged in the shell (21) to divide the shell (21) into a first spray head area (212), a spraying area (213) and a second spray head area (214) in sequence, two ends of the bottom of the spraying area (213) are respectively communicated with the waste heat recovery device (1) through a first communicating pipe (22) and a second communicating pipe (23), the upper end of the spraying area (213) is communicated with the electrostatic treatment device (3) through a third communicating pipe (4), a plurality of spray heads (24) are arranged in the first spray head area (212) and the second spray head area (214), a plurality of first through holes are arranged in the first partition board (211), a plurality of second partition boards (25) are arranged below the first partition board (211), a water supply circulation channel (26) is arranged between the lower end of the second partition board (25) and the bottom of the spraying area (213), a plurality of second through holes are arranged in the second partition boards (25), and a water outlet (2131) is arranged at the bottom of the spraying area (213);
The distance between the lower end of the second partition plate (25) and the bottom of the spraying area (213) gradually decreases from being close to the corresponding first partition plate (211) to being far away from the corresponding first partition plate (211), the first partition plate (211) is provided with a drainage plate (27) connected with the bottom of the spraying area (213), the channel (26) is positioned between the drainage plate (27) and the second partition plate (25), and the first communicating pipe (22) and the second communicating pipe (23) are communicated with one side, close to the corresponding first partition plate (211), of the drainage plate (27);
the spray heads (24) are perpendicular to the corresponding first partition plates (211);
The spray heads (24) are in one-to-one correspondence with the first through holes.
2. The printing and dyeing machine exhaust gas recovery and treatment system according to claim 1, wherein: the water outlet (2131) is positioned between the two drainage plates (27) or at the joint of the two drainage plates (27) communicated with the water outlet (2131).
3. The printing and dyeing machine exhaust gas recovery and treatment system according to claim 1, wherein: the second partition plates (25) are inclined toward the corresponding first partition plates (211).
4. The printing and dyeing machine exhaust gas recovery and treatment system according to claim 1, wherein: the second through holes (251) on the adjacent second partition plates (25) are connected through connecting pipes (29), and the connecting pipes (29) incline upwards.
5. The printing and dyeing machine exhaust gas recovery and treatment system according to claim 4, wherein: the angle alpha (291) between the connecting pipe (29) and the horizontal direction is more than or equal to 30 degrees and less than or equal to 60 degrees.
6. The printing and dyeing machine exhaust gas recovery and treatment system according to claim 4, wherein: the connecting pipe (29) is provided with a plurality of third through holes.
7. The printing and dyeing machine exhaust gas recovery and treatment system according to claim 1, wherein: the upper ends of the first communicating pipe (22) and the second communicating pipe (23) are provided with a bending pipe (20).
CN201910607738.7A 2019-07-08 2019-07-08 Waste gas recovery and treatment system of printing and dyeing setting machine Active CN110201480B (en)

Priority Applications (1)

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CN201910607738.7A CN110201480B (en) 2019-07-08 2019-07-08 Waste gas recovery and treatment system of printing and dyeing setting machine

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Application Number Priority Date Filing Date Title
CN201910607738.7A CN110201480B (en) 2019-07-08 2019-07-08 Waste gas recovery and treatment system of printing and dyeing setting machine

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CN110201480B true CN110201480B (en) 2024-06-28

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105854486A (en) * 2016-05-27 2016-08-17 同济大学 Waste heat recycling type waste gas treating device for setting machine
CN210522128U (en) * 2019-07-08 2020-05-15 福建省宏港纺织科技有限公司 Waste gas recovery and treatment system of printing and dyeing setting machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107321093A (en) * 2017-07-05 2017-11-07 合肥天翔环境工程有限公司 Gas purification can system
CN107376562A (en) * 2017-08-02 2017-11-24 浙江万源环保机械科技有限公司 A kind of fountain cleaner
CN109621596A (en) * 2019-01-22 2019-04-16 盐城国环睿保科技有限公司 A kind of painting workshop paint mist treatment device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105854486A (en) * 2016-05-27 2016-08-17 同济大学 Waste heat recycling type waste gas treating device for setting machine
CN210522128U (en) * 2019-07-08 2020-05-15 福建省宏港纺织科技有限公司 Waste gas recovery and treatment system of printing and dyeing setting machine

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