CN215539485U - A treatment device for injection molding waste gas - Google Patents
A treatment device for injection molding waste gas Download PDFInfo
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- CN215539485U CN215539485U CN202120328747.5U CN202120328747U CN215539485U CN 215539485 U CN215539485 U CN 215539485U CN 202120328747 U CN202120328747 U CN 202120328747U CN 215539485 U CN215539485 U CN 215539485U
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Abstract
本实用新型提供了一种注塑废气的处理装置，包括循环水泵、填料喷淋塔、一体化废气处理塔、离心风机、排风烟囱，所述循环水泵与所述填料喷淋塔相连，所述填料喷淋塔、所述一体化废气处理塔、所述离心风机、所述排风烟囱依次连通。本实用新型的有益效果是：1.本实用新型的注塑废气的处理装置对注塑废气的处理效率高；2.本实用新型的注塑废气的处理装置自动化程度高，无需专人管理和日常维护，只需作定期检查并更换喷淋水和耗材；3.本实用新型的注塑废气的处理装置风阻较小，可降低风机运行的功率，减少能耗；4.本实用新型的注塑废气的处理装置运行成本低，无二次污染。
The utility model provides a treatment device for injection molding waste gas, which comprises a circulating water pump, a packing spray tower, an integrated waste gas treatment tower, a centrifugal fan, and an exhaust chimney. The circulating water pump is connected with the packing spray tower. The packing spray tower, the integrated waste gas treatment tower, the centrifugal fan, and the exhaust chimney are connected in sequence. The beneficial effects of the present utility model are: 1. The treatment device for injection molding waste gas of the present utility model has high treatment efficiency for injection molding waste gas; 2. The treatment device for injection molding waste gas of the present utility model has a high degree of automation, and does not require special personnel to manage and routinely maintain, only Regular inspection and replacement of spray water and consumables are required; 3. The air resistance of the injection molding waste gas treatment device of the present invention is small, which can reduce the power of the fan operation and reduce energy consumption; 4. The injection molding waste gas treatment device of the present utility model operates Low cost and no secondary pollution.
Description
Technical Field
The utility model relates to the technical field of environmental protection, in particular to a treatment device for injection molding waste gas.
Background
With the continuous development of the economy of China and the continuous improvement of the living standard of people, more and more industrial products become necessities of people's life. For example, many industrial products are required to be injection molded in the production process, the injection molding machine generates organic waste gas in the injection molding heating process, the organic waste gas has two main hazards, one is direct hazard, can stimulate the respiratory systems of human beings and animals to cause the pathological changes of the respiratory systems, and many kinds of VOCs have the effects of carcinogenesis, teratogenesis and mutagenesis; the other is secondary hazard, and VOCs can cause some photochemical reactions in the air to cause disasters such as haze, photochemical smog and the like.
The injection molding waste gas mainly comprises dust particles, non-methane total hydrocarbons and other harmful substances and contains VOC waste gas components. The waste gas generated by injection molding has pungent smell and slight toxicity, and has great harm to human health. The styrene, toluene, organic waste gas and the like discharged in an unorganized way cause serious pollution to the environment and great damage to the human health. Therefore, the waste gas generated in the production line of the plastic plant and the related industry needs to be treated by a waste gas purifying device.
SUMMERY OF THE UTILITY MODEL
The utility model provides a treatment device for injection molding waste gas, which comprises a circulating water pump, a filler spray tower, an integrated waste gas treatment tower, a centrifugal fan and an exhaust chimney, wherein the circulating water pump is connected with the filler spray tower, and the filler spray tower, the integrated waste gas treatment tower, the centrifugal fan and the exhaust chimney are communicated in sequence.
As a further improvement of the utility model, a rotational flow plate, a packing layer and a first demisting layer are arranged in the packing spray tower, the packing spray tower is provided with a packing spray tower air inlet and a packing spray tower air outlet, the treatment device also comprises a circulating water pipe, one end of the circulating water pipe is connected with the circulating water pump, the other end of the circulating water pipe is connected with the packing spray tower, and the packing spray tower air outlet is connected with the integrated waste gas treatment tower.
As a further improvement of the utility model, the integrated waste gas treatment tower comprises a demisting device, an electrostatic trapping device, a UV photolysis device and an active carbon device, wherein the demisting device, the electrostatic trapping device, the UV photolysis device and the active carbon adsorption device are sequentially arranged in the integrated waste gas treatment tower, an integrated waste gas treatment tower air inlet and an integrated waste gas treatment tower air outlet are arranged on the integrated waste gas treatment tower, the integrated waste gas treatment tower air inlet is communicated with the filler spray tower air outlet, and the integrated waste gas treatment tower air outlet is communicated with the centrifugal fan.
As a further improvement of the utility model, the demisting device comprises a second demisting layer, a pore plate and a demisting layer water tank, wherein the pore plate is arranged below the second demisting layer, and the demisting layer water tank is arranged below the pore plate; the treatment device comprises a drain pipe, wherein the drain pipe can timely drain accumulated water generated by equipment failure or operation failure and a demisting layer water tank, and the drain pipe 31 can timely drain the accumulated water of the demisting layer water tank 12 in the demisting unit; the UV photolysis device comprises a plurality of UV ultraviolet lamp tubes and a UV photolysis control switch, wherein the UV photolysis control switch is used for controlling the switch of the UV ultraviolet lamp tubes, the UV ultraviolet lamp tubes are in a plurality of numbers and irradiate the components of the waste gas through the spectrum generated by the UV ultraviolet lamp tubes, oxygen molecules in the waste gas are decomposed to generate ozone, and then the organic waste gas pollutants are subjected to synergistic decomposition oxidation reaction by utilizing the high-energy UV light beams and the ozone generated by the UV ultraviolet lamp tubes, so that the organic waste gas pollutants are degraded and converted into low-molecular compounds, water and carbon dioxide.
As a further improvement of the present invention, the processing device comprises an ash bucket which is installed below the electrostatic trapping device, and the dust particles electrically separated by the electrostatic trapping device fall into the ash bucket; this processing apparatus is including just imitating the filter pulp, the warp waste gas behind the electrostatic trapping device electricity separation passes through just imitate the filter pulp and filter the back and get into UV photolysis device.
As a further improvement of the utility model, the UV ultraviolet lamp tubes are controlled in groups, and the UV photolysis control switch can adjust the opening number of the UV ultraviolet lamp tubes according to the change of the waste gas amount or the pollutant concentration; the UV photolysis device comprises an electric box, and the electric box is used for supplying power to the UV ultraviolet lamp tube.
As a further improvement of the utility model, the activated carbon device comprises an activated carbon frame, an activated carbon layer and a tuyere baffle, wherein the activated carbon layer is installed in the activated carbon frame and used for adsorbing a trace of organic matters which are difficult to oxidize or degrade, and the tuyere baffle is used for blocking waste gas so that all the waste gas flows out after being adsorbed by the activated carbon layer.
As a further improvement of the utility model, the activated carbon frame is made of stainless steel, the activated carbon layer is made of honeycomb activated carbon, and the size of the activated carbon layer is as follows: 100 x 100mm, 150 holes/square inch, and the thickness of the carbon layer is 200 x 300 mm; the shell of the filler spray tower and the cyclone plate are made of PP materials, the filler layer is made of terakey K2 filler, and the defogging layer is made of baffle plates; the circulating water pump is made of corrosion-resistant materials; the second defogging layer adopts a PP silk screen.
As a further improvement of the utility model, the injection molding waste gas treatment device also comprises a rain cap, wherein the rain cap is arranged at the top end of the exhaust chimney; the injection molding waste gas treatment device further comprises a shockproof soft joint, wherein the shockproof soft joint is arranged between the integrated waste gas treatment tower and the centrifugal fan.
As a further improvement of the utility model, a first detection hole is arranged on the exhaust chimney; the processing device further comprises a collecting air pipe, the collecting air pipe is communicated with the filler spray tower, and a second detection hole is formed in the collecting air pipe.
The utility model has the beneficial effects that: 1. the treatment device for the injection molding waste gas has high treatment efficiency on the injection molding waste gas; 2. the injection molding waste gas treatment device has high automation degree, does not need special management and daily maintenance, and only needs regular inspection and replacement of spray water and consumables; 3. the injection molding waste gas treatment device has small wind resistance, can reduce the running power of a fan and reduce energy consumption; 4. the injection molding waste gas treatment device is low in operation cost and free of secondary pollution; 5. the injection molding waste gas treatment device can automatically adjust the water quantity of the circulating water pump and the opening quantity of the UV ultraviolet lamp tubes according to the air quantity of the injection molding waste gas, runs at low cost and discharges after reaching standards, and realizes win-win of environmental protection benefit and economic benefit.
Drawings
FIG. 1 is a structural view of an apparatus for treating injection molding exhaust gas according to the present invention;
FIG. 2 is a schematic view of an integrated waste gas treatment tower according to the present invention;
FIG. 3 is a side view of an integrated flue gas treatment column of the present invention.
Detailed Description
As shown in fig. 1-3, the utility model discloses a treatment device for injection molding waste gas, which comprises a circulating water pump 1, a filler spray tower 6, an integrated waste gas treatment tower 9, a centrifugal fan 24 and an exhaust chimney 25, wherein the circulating water pump 1 is connected with the filler spray tower 6, and the filler spray tower 6, the integrated waste gas treatment tower 9, the centrifugal fan 24 and the exhaust chimney 25 are communicated in sequence.
The treatment device comprises a filler spray tower 6, a cyclone plate 4, a filler layer 5 and a first demisting layer 8, wherein the filler spray tower is provided with a filler spray tower air inlet and a filler spray tower air outlet 60, the treatment device further comprises a circulating water pipe 7, one end of the circulating water pipe 7 is connected with a circulating water pump 1, the other end of the circulating water pipe 7 is communicated with the filler spray tower 6, and the filler spray tower air outlet 60 is communicated with an integrated waste gas treatment tower 9. Wherein, the air current produces rotatory and centrifugal motion when passing through the blade of fixed whirl board 4, and absorption liquid evenly distributed to every blade through middle blind plate forms thin liquid layer, forms rotatory and centrifugal effect with rotatory ascending air current, spouts into tiny liquid drop, gets rid of behind the filler spray column tower wall. The air flow to be treated with certain wind pressure and wind speed enters from the bottom of the tower and exits from the upper part of the tower. The absorption liquid enters from the upper part of the tower and exits from the lower part of the tower. The air flow and the absorption liquid do relative motion in the packing spray tower, and a water film with a large surface area is formed at the structural part of the rotational flow plate 4, so that the absorption effect is greatly improved.
Integration exhaust-gas treatment tower 9 includes defogging device, electrostatic trapping device, UV photodissociation device and active carbon device, install in proper order in the integration exhaust-gas treatment tower the defogging device the electrostatic trapping device UV photodissociation device with active carbon adsorption device, be equipped with integration exhaust-gas treatment tower air inlet 90, integration exhaust-gas treatment tower gas outlet 91 on the integration exhaust-gas treatment tower, integration exhaust-gas treatment tower air inlet 90 with filler spray column gas outlet 60 is linked together, integration exhaust-gas treatment tower gas outlet 91 with centrifugal fan 24 is linked together.
The demisting device comprises a second demisting layer 10, a pore plate 11 and a demisting layer water tank 12, wherein the pore plate 11 is arranged below the second demisting layer 10, and the demisting layer water tank 12 is arranged below the pore plate 11; the treatment device comprises a drain pipe 31, and the drain pipe 31 can drain accumulated water in the demisting layer water tank 12 in the demisting unit in time.
The second demisting layer 10 adopts a PP wire mesh, liquid foam in the waste gas is separated and falls under the action of liquid buoyancy and surface tension, and water mist of gas coming out of the packing spray tower 6 is further removed. The bottom end in the integrated waste gas treatment tower 9 is provided with a PP pore plate 11 with holes, water in the demisting part flows into a demisting layer water tank 12 below through the holes of the PP pore plate 11 and is then discharged in time through a water discharge pipeline 31, so that the water in the demisting part does not influence the following treatment procedure, and the problems of line faults and the like caused by accumulated water are prevented.
The electrostatic trapping device uses a strong electric field to charge dust particles, and when the dust particles pass through the dust removing electrode, the particles with positive/negative charges are respectively adsorbed by the negative/positive electrode plates, so that the dust removing purpose is achieved.
The UV photolysis device comprises UV ultraviolet lamp tubes 18 and a UV photolysis control switch 27, wherein the UV photolysis control switch 27 is used for controlling the switches of the UV ultraviolet lamp tubes 18, the number of the UV ultraviolet lamp tubes 18 is multiple, the UV ultraviolet lamp tubes 18 irradiate the components of the waste gas through the 185nm spectrum and the 254nm spectrum generated by the UV ultraviolet lamp tubes 18, oxygen molecules in the waste gas are decomposed to generate ozone, and then the organic waste gas pollutants are subjected to synergistic decomposition oxidation reaction by the high-energy UV ultraviolet light beams and the ozone generated by the UV ultraviolet lamp tubes 18, so that the organic waste gas pollutants are degraded and converted into low-molecular compounds, water and carbon dioxide.
The UV ultraviolet lamp tubes 18 are controlled in groups, and the UV photolysis control switch 27 can adjust the number of the UV ultraviolet lamp tubes 18 to be opened according to the change of the exhaust gas amount or the pollutant concentration, so as to reduce the energy consumption.
The UV photolysis device comprises an electrical box 32, wherein the electrical box 32 is used for supplying power to the UV ultraviolet lamp tube 18. The electric box 32 comprises an electric box door, an electric box door switch 28 is arranged on the electric box door, and a hexagonal self-tapping screw 29 is arranged on the electric box door.
The processing device comprises an ash bucket 22, wherein the ash bucket 22 is arranged below the electrostatic trapping device, and dust particles electrically separated by the electrostatic trapping device fall into the ash bucket 22.
This processing apparatus is including just imitating filter pulp 17, warp waste gas behind the electrostatic trapping device electricity separation passes through just imitating filter pulp 17 and filtering back entering UV photolysis device.
The active carbon device includes active carbon frame 19, active carbon layer 20, wind gap baffle 21, install in the active carbon frame 19 active carbon layer 20, active carbon layer 20 is used for adsorbing the organic matter of a little difficult oxidation or difficult degradation, wind gap baffle 21 is used for blockking exhaust gas, makes its whole exhaust gas all pass through active carbon layer 20 adsorbs and flows.
The activated carbon frame 19 is made of stainless steel, the activated carbon layer 20 is made of honeycomb activated carbon, and the size is as follows: 100 x 100mm, 150 holes/square inch, the thickness of the carbon layer is 200-300mm, when the waste gas passes through the activated carbon layer, a small amount of residual pollutants can be adsorbed by the activated carbon, thereby achieving the purpose of purification; the shell of the filler spray tower 6 and the rotational flow plate 4 are made of PP materials, the filler layer 5 is made of a Delaunay K2 filler, the area between gas and liquid phases is increased, and the mass transfer between the two phases is enhanced; the demisting layer 8 adopts a baffle plate, and water drops in the waste gas impact on the first demisting layer 8 (baffle plate) under the inertia effect by changing the flow direction of the waste gas, so as to achieve the aim of demisting. The circulating water pump 1 is made of corrosion-resistant materials.
The injection molding waste gas treatment device further comprises a rain cap 26, and the rain cap 26 is mounted at the top end of the exhaust chimney 25.
The injection molding waste gas treatment device further comprises a shockproof soft joint 23, wherein the shockproof soft joint 23 is arranged between the integrated waste gas treatment tower 9 and the centrifugal fan 24.
The exhaust chimney 25 is provided with a first detection hole 2.
The treatment device further comprises a collecting air pipe 3, the collecting air pipe 3 is communicated with the filler spray tower 6, and a second detection hole 30 is formed in the collecting air pipe 3.
The utility model also comprises a gas collecting hood which is used for collecting the waste gas generated by the injection molding machine, the gas collecting hood is a movable gas collecting hood and is communicated with the collecting air pipe 3, the collecting air pipe 3 of the gas collecting hood is provided with an adjustable manual air valve, the collecting air pipe 3 is communicated with the filler spray tower 6, and the gas collecting hood transmits the collected waste gas to the filler spray tower 6 through the collecting air pipe 3.
The injection molding waste gas is pumped by a centrifugal fan 24, enters a filler spray tower 6 and an integrated waste gas treatment tower 9 in sequence through a gas collecting hood and a collecting air pipe 3, and is discharged in high altitude by an exhaust chimney 25 after being purified.
The utility model relates to a treatment device for injection molding waste gas, which adopts a method combining rotational flow, filler spraying, demisting, electrostatic trapping, UV photocatalysis and activated carbon adsorption, wherein particles in the waste gas and water-soluble substances are dissolved in water by spraying, most of water vapor in the waste gas is removed by a demisting unit, then dust particles are electrified by a strong electric field, and when the dust particles pass through a dust removal electrode, particles with positive/negative charges are respectively adsorbed by a negative/positive electrode plate, so that the purpose of dust removal is achieved. The UV photocatalysis mainly utilizes high-energy ultraviolet light and generated ozone to treat organic matters and other harmful substances in injection molding waste gas, and the active carbon is used for adsorbing trace organic matters which are difficult to oxidize or degrade. The method can be used for efficiently treating the injection molding waste gas, and is stable in operation, simple in operation and capable of saving the operation cost.
The utility model has the beneficial effects that: 1. the treatment device for the injection molding waste gas has high treatment efficiency on the injection molding waste gas; 2. the injection molding waste gas treatment device has high automation degree, does not need special management and daily maintenance, and only needs regular inspection and replacement of spray water and consumables; 3. the injection molding waste gas treatment device has small wind resistance, can reduce the running power of a fan and reduce energy consumption; 4. the injection molding waste gas treatment device is low in operation cost and free of secondary pollution; 5. the injection molding waste gas treatment device can automatically adjust the water quantity of the circulating water pump and the opening quantity of the UV ultraviolet lamp tubes according to the air quantity of the injection molding waste gas, runs at low cost and discharges after reaching standards, and realizes win-win of environmental protection benefit and economic benefit.
The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.
Claims (10)
1. The utility model provides a processing apparatus of waste gas moulds plastics which characterized in that: the integrated waste gas treatment tower comprises a circulating water pump (1), a filler spray tower (6), an integrated waste gas treatment tower (9), a centrifugal fan (24) and an exhaust chimney (25), wherein the circulating water pump (1) is connected with the filler spray tower (6), and the filler spray tower (6), the integrated waste gas treatment tower (9), the centrifugal fan (24) and the exhaust chimney (25) are sequentially communicated.
2. The processing apparatus according to claim 1, characterized in that: the device is characterized in that a spiral-flow plate (4), a packing layer (5) and a first demisting layer (8) are arranged in the packing spray tower (6), the packing spray tower is provided with a packing spray tower air inlet and a packing spray tower air outlet (60), the device further comprises a circulating water pipe (7), one end of the circulating water pipe (7) is connected with the circulating water pump (1), the other end of the circulating water pipe (7) is communicated with the packing spray tower (6), and the packing spray tower air outlet (60) is communicated with the integrated waste gas treatment tower (9).
3. The processing apparatus according to claim 2, characterized in that: integration exhaust-gas treatment tower (9) are including defogging device, electrostatic trapping device, UV photodissociation device and active carbon device, install in proper order in integration exhaust-gas treatment tower (9) the defogging device the electrostatic trapping device UV photodissociation device with active carbon adsorption device, be equipped with integration exhaust-gas treatment tower air inlet (90), integration exhaust-gas treatment tower gas outlet (91) on integration exhaust-gas treatment tower (9), integration exhaust-gas treatment tower air inlet (90) with it is linked together to fill spray column gas outlet (60), integration exhaust-gas treatment tower gas outlet (91) with centrifugal fan (24) are linked together.
4. The processing apparatus according to claim 3, wherein: the demisting device comprises a second demisting layer (10), an orifice plate (11) and a demisting layer water tank (12), wherein the orifice plate (11) is arranged below the second demisting layer (10), and the demisting layer water tank (12) is arranged below the orifice plate (11); the treatment device comprises a drain pipe (31), wherein the drain pipe (31) can drain accumulated water in a demisting layer water tank (12) in a demisting unit in time; UV photodissociation device includes UV ultraviolet fluorescent tube (18), UV photodissociation control switch (27) are used for control the switch of UV ultraviolet fluorescent tube (18), UV ultraviolet fluorescent tube (18) quantity is a plurality of.
5. The processing apparatus according to claim 4, wherein: the processing device comprises an ash bucket (22), wherein the ash bucket (22) is arranged below the electrostatic trapping device, and dust particles electrically separated by the electrostatic trapping device fall into the ash bucket (22); this processing apparatus is including just imitating filter pulp (17), warp waste gas behind the electrostatic trapping device electricity separation process just imitate filter pulp (17) and filter the back and get into UV photolysis device.
6. The processing apparatus according to claim 4, wherein: the UV ultraviolet lamp tubes (18) are controlled in a grouping mode, the UV photolysis device comprises an electric box (32), and the electric box (32) is used for supplying power to the UV ultraviolet lamp tubes (18).
7. The processing apparatus according to claim 3, wherein: the active carbon device includes active carbon frame (19), active carbon layer (20), wind gap baffle (21), install in active carbon frame (19) active carbon layer (20), active carbon layer (20) are used for adsorbing the organic matter of a trace difficult oxidation or difficult degradation, wind gap baffle (21) are used for blockking exhaust gas, make its whole exhaust gas all pass through active carbon layer (20) adsorb and flow out.
8. The processing apparatus according to claim 7, wherein: the activated carbon frame (19) is made of stainless steel, the activated carbon layer (20) is made of honeycomb activated carbon, and the size of the activated carbon frame is as follows: 100 x 100mm, 150 holes/square inch, and the thickness of the carbon layer is 200 x 300 mm; the shell of the filler spray tower (6) and the cyclone plate (4) are made of PP materials, the filler layer (5) adopts a teramer K2 filler, and the defogging layer (8) adopts a baffle plate; the circulating water pump (1) is made of corrosion-resistant materials; the second defogging layer (10) adopts a PP silk screen.
9. The processing apparatus according to claim 1, characterized in that: the injection molding waste gas treatment device also comprises a rain cap (26), wherein the rain cap (26) is arranged at the top end of the exhaust chimney (25); the injection molding waste gas treatment device further comprises a shockproof soft joint (23), wherein the shockproof soft joint (23) is arranged between the integrated waste gas treatment tower (9) and the centrifugal fan (24).
10. The processing apparatus according to claim 1, characterized in that: the exhaust chimney (25) is provided with a first detection hole (2); the treatment device further comprises a collecting air pipe (3), the collecting air pipe (3) is communicated with the filler spray tower (6), and a second detection hole (30) is formed in the collecting air pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120328747.5U CN215539485U (en) | 2021-02-04 | 2021-02-04 | A treatment device for injection molding waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120328747.5U CN215539485U (en) | 2021-02-04 | 2021-02-04 | A treatment device for injection molding waste gas |
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| Publication Number | Publication Date |
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| CN215539485U true CN215539485U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120328747.5U Expired - Fee Related CN215539485U (en) | 2021-02-04 | 2021-02-04 | A treatment device for injection molding waste gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115870301A (en) * | 2023-02-22 | 2023-03-31 | 苏州市白云环保工程设备有限公司 | Waste gas collecting and treating system and application thereof in injection molding process |
| CN119116271A (en) * | 2024-11-01 | 2024-12-13 | 广东鸿美达科技有限公司 | An automatic production line for injection molding of the housing of an air conditioner indoor unit |
-
2021
- 2021-02-04 CN CN202120328747.5U patent/CN215539485U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115870301A (en) * | 2023-02-22 | 2023-03-31 | 苏州市白云环保工程设备有限公司 | Waste gas collecting and treating system and application thereof in injection molding process |
| CN119116271A (en) * | 2024-11-01 | 2024-12-13 | 广东鸿美达科技有限公司 | An automatic production line for injection molding of the housing of an air conditioner indoor unit |
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