CN218687785U - Casting flue gas treatment system - Google Patents
Casting flue gas treatment system Download PDFInfo
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- CN218687785U CN218687785U CN202221905652.6U CN202221905652U CN218687785U CN 218687785 U CN218687785 U CN 218687785U CN 202221905652 U CN202221905652 U CN 202221905652U CN 218687785 U CN218687785 U CN 218687785U
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- carbon fiber
- dehumidification
- flue gas
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Abstract
The utility model discloses a casting flue gas treatment system, which belongs to the field of waste gas treatment and comprises a pretreatment oil removal device, a spray tower, a fine filtration dehumidification device, a carbon fiber absorption-desorption device, a fan and a chimney which are sequentially connected according to the flue gas treatment sequence; a dehumidification unit is arranged in the fine filtration dehumidification equipment, the dehumidification unit is in sliding connection with the inner wall of the fine filtration dehumidification equipment through a first sliding rail, and a first loading and unloading door is arranged on the side wall of the fine filtration dehumidification equipment corresponding to the dehumidification unit in the sliding direction; the carbon fiber adsorption-desorption equipment comprises an air inlet main pipe, an air outlet main pipe, a plurality of carbon fiber adsorption boxes and a catalytic combustion device, wherein carbon fiber layers are arranged in the carbon fiber adsorption boxes, the carbon fiber layers are in sliding connection with the inner walls of the carbon fiber adsorption boxes through second sliding rails, and second loading and unloading doors are arranged on the side walls of the carbon fiber adsorption boxes corresponding to the carbon fiber layers in the sliding direction. The utility model discloses make things convenient for the change of the fragile consumptive thing such as the inside dehumidification cotton of equipment and carbon fiber.
Description
Technical Field
The utility model belongs to the waste gas treatment field, concretely relates to casting flue gas processing system.
Background
The casting flue gas treatment equipment becomes indispensable equipment in the casting industry because the component ratio in the casting flue gas is relatively complex, and organic waste gas containing oils, particles, phenolic resin and the like which is heated and volatilized is difficult to meet the emission requirement by adopting single waste gas treatment equipment.
Therefore, the applicant applies Chinese utility model patent 'a casting waste gas treatment device' with patent number 201720138764.6, which comprises a coarse filtration device, a water washing device, a fine filtration device and a chimney with a centrifugal fan which are sequentially connected in series, wherein the coarse filtration device and the fine filtration device have the function of removing oil through a steel wire mesh, and the coarse filtration device and the middle filtration device have the function of removing particle dust and various suspended matters; removing soluble substances in the waste gas and oil and particulate matters which are not treated by the rough filtration equipment by water washing equipment; removing water and water-insoluble substances after water washing by fine filtration equipment; finally, the gas after purification is further purified and discharged by a centrifugal machine, thereby achieving the purposes of multiple effects of removing oil and dust from the waste gas and purifying the organic waste gas.
However, the defects that the fine filtration dehumidifying cotton in the fine filtration equipment needs to be replaced after the equipment runs for a long time, and meanwhile, the carbon fiber adsorption bed needs to be replaced after being saturated in carbon fiber adsorption after running for a period of time.
Disclosure of Invention
An object of the utility model is to overcome the not enough of above-mentioned technique, provide a casting flue gas processing system, make things convenient for the change of the fragile consumptive thing such as the inside dehumidification of equipment cotton and carbon fiber.
In order to realize the purpose of the utility model, the utility model adopts the technical scheme that:
a casting flue gas treatment system is characterized by comprising a pretreatment oil removal device, a spray tower, a fine filtration dehumidification device, a carbon fiber absorption-desorption device, a fan and a chimney which are sequentially connected according to a flue gas treatment sequence; a dehumidification unit is arranged in the fine filtration dehumidification equipment, the dehumidification unit is in sliding connection with the inner wall of the fine filtration dehumidification equipment through a first sliding rail, and a first loading and unloading door is arranged on the side wall of the fine filtration dehumidification equipment corresponding to the dehumidification unit in the sliding direction; the carbon fiber adsorption-desorption equipment comprises an air inlet main pipe connected with the fine filtration dehumidification equipment, an air outlet main pipe connected with the fan, a plurality of carbon fiber adsorption tanks and a catalytic combustion device, wherein the air inlet and the air outlet ends of the carbon fiber adsorption tanks are respectively connected to the air inlet main pipe and the air outlet main pipe, the catalytic combustion device is connected with the air inlet main pipe through a hot air pipe, the catalytic combustion device is connected with the air outlet main pipe through a purified air outlet pipe, each carbon fiber adsorption tank is respectively connected with the catalytic combustion device through a desorption air outlet pipe, carbon fiber layers are arranged in the carbon fiber adsorption tanks, the carbon fiber layers are in sliding connection with the inner walls of the carbon fiber adsorption tanks through second sliding rails, and second loading and unloading doors are arranged on the side walls of the carbon fiber adsorption tanks corresponding to the carbon fiber layers in the sliding direction.
The utility model discloses a further improvement lies in, dehumidification unit includes the grid frame and fills the dehumidification cotton in the grid frame.
The utility model discloses a further improvement lies in, the carbon fiber layer is cellular carbon fiber.
The utility model discloses a further improvement lies in, be equipped with multichannel wire net from flue gas inlet to exhanst gas outlet direction in proper order in the preliminary treatment deoiling equipment, install ultrasonic oscillator in the preliminary treatment deoiling equipment, the bottom is the low high toper form all around in the center in the preliminary treatment deoiling equipment, and lower is equipped with the oil-out, and when the wire net in the flue gas in the preliminary treatment deoiling equipment, can block the oil in the flue gas and cut, after the operation certain time, make oil on the wire net drop bottom in the preliminary treatment deoiling equipment through ultrasonic oscillator to retrieve from the oil-out discharge.
The utility model discloses a further improvement lies in, by lower supreme packing layer, the layer and the defogging device of spraying of having set gradually in the spray column.
The utility model discloses a further improvement lies in, the defogging device includes baffling board defroster and whirl board defroster.
The utility model has the advantages that: the utility model provides a loss thing adopts the modularized design, through adopting slide rail and loading and unloading door, can realize the change of filter pulp and carbon fiber fast effectively, can also realize the recovery of oil magazine in the flue gas simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the fine filtration and dehumidification equipment of the present invention.
In the figure: the device comprises a pretreatment oil removing device 1, a spray tower 2, a fine filtration dehumidifying device 3, a carbon fiber absorption-desorption device 4, a fan 5, a chimney 6, a dehumidifying unit 7, a first slide rail 8, a first loading and unloading door 9, an air inlet main pipe 10, an air outlet main pipe 11, a carbon fiber adsorption box 12, a catalytic combustion device 13, a hot air pipe 14, a purification air outlet pipe 15, a desorption air outlet pipe 16, a carbon fiber layer 17, a second slide rail 18, a second loading and unloading door 19, a grid frame 20, dehumidifying cotton 21, a steel wire mesh 22, an ultrasonic oscillator 23, an oil outlet 24, a packing layer 25, a spray layer 26 and a demisting device 27.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1-2, a casting flue gas treatment system comprises a pretreatment oil removal device 1, a spray tower 2, a fine filtration dehumidification device 2, a carbon fiber absorption-desorption device 4, a fan 5 and a chimney 6 which are connected in sequence according to a flue gas treatment sequence; a dehumidification unit 7 is arranged in the fine filtration dehumidification equipment 2, the dehumidification unit 7 is in sliding connection with the inner wall of the fine filtration dehumidification equipment 2 through a first sliding rail 8, and a first loading and unloading door 9 is arranged on the side wall of the fine filtration dehumidification equipment 2 corresponding to the dehumidification unit 7 in the sliding direction; the carbon fiber adsorption-desorption equipment 4 comprises an air inlet main pipe 10 connected with the fine filtration dehumidification equipment 2, an air outlet main pipe 11 connected with the fan 5, a plurality of carbon fiber adsorption tanks 12 and a catalytic combustion device 13, wherein air inlet ends and air outlet ends of the carbon fiber adsorption tanks 12 are respectively connected to the air inlet main pipe 10 and the air outlet main pipe 11, the catalytic combustion device 13 is connected with the air inlet main pipe 10 through a hot air pipe 14, the catalytic combustion device 13 is connected with the air outlet main pipe 11 through a purified air outlet pipe 15, each carbon fiber adsorption tank 12 is respectively connected with the catalytic combustion device 13 through a desorption air outlet pipe 16, carbon fiber layers 17 are arranged in the carbon fiber adsorption tanks 12, the carbon fiber layers 17 form sliding connection with the inner walls of the carbon fiber adsorption tanks 12 through second sliding rails 18, and second loading and unloading doors 19 are arranged on the side walls of the carbon fiber adsorption tanks 12 corresponding to the sliding direction of the carbon fiber layers 17.
Specifically, the dehumidifying unit 7 includes a grill frame 20 and dehumidifying cotton 21 filled in the grill frame 20.
Specifically, the carbon fiber layer 17 is a honeycomb-shaped carbon fiber.
Specifically, be equipped with multichannel wire net 22 in proper order from flue gas inlet to exhanst gas outlet direction in the preliminary treatment deoiling equipment 1, install ultrasonic oscillator 23 in the preliminary treatment deoiling equipment 1, the bottom is the low high toper form all around in the center in the preliminary treatment deoiling equipment 1, and the lower is equipped with oil-out 24, when the wire net 22 in the flue gas through preliminary treatment deoiling equipment 1, can intercept the oil in the flue gas, after the operation for a certain time, make the oil on the wire net 22 drop in preliminary treatment deoiling equipment 1 bottom through ultrasonic oscillator 23, and retrieve from oil-out 24 discharges.
Specifically, a packing layer 25, a spraying layer 26 and a demisting device 27 are sequentially arranged in the spraying tower 2 from bottom to top.
Specifically, the demister 27 includes a baffle demister and a swirl plate demister.
The utility model discloses a theory of operation: the casting flue gas enters the pretreatment oil removal equipment 1 along a pipeline to remove oil particles in the flue gas; then enters the spray tower 2, and is sprayed by the spray layer 26, particulate matters and soluble waste gas in the flue gas are captured by water flow, and the concentration of the particulate matters in the waste gas is greatly reduced; then the flue gas enters a fine filtration and dehumidification device 2, and water mist and particulate matters in the flue gas are further removed through the filtration of dehumidification cotton 21, so that the concentration of the particulate matters before entering the carbon fiber adsorption box 12 is reduced to below 1mg/m 3; after being adsorbed by the carbon fiber layer 17, the flue gas is discharged through a chimney 6 after reaching the standard.
After the carbon fiber layer 17 in the carbon fiber adsorption box 12 is saturated, the air inlet valve on the air inlet main pipe 10 is cut off, the hot air pipe 14 is opened to introduce heat flow into the catalytic combustion device 13, so that the carbon fiber layer 17 is desorbed, the desorbed gas enters the catalytic combustion device 13 from the desorption gas outlet pipe 16 for catalytic combustion, the catalyst for catalytic combustion is noble metal palladium and platinum, and the desorbed gas after catalytic combustion is discharged to the air outlet main pipe 11 through the purified air outlet pipe 15 and then discharged from the chimney 6.
The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (6)
1. A casting flue gas treatment system is characterized by comprising a pretreatment oil removal device, a spray tower, a fine filtration dehumidification device, a carbon fiber absorption-desorption device, a fan and a chimney which are sequentially connected according to a flue gas treatment sequence; a dehumidification unit is arranged in the fine filtration dehumidification equipment, the dehumidification unit is in sliding connection with the inner wall of the fine filtration dehumidification equipment through a first sliding rail, and a first loading and unloading door is arranged on the side wall of the fine filtration dehumidification equipment corresponding to the dehumidification unit in the sliding direction; carbon fiber inhales-desorption equipment includes and strain the inlet pipe who is connected with the dehumidification equipment of essence, give vent to anger with what the fan is connected and be responsible for, a plurality of carbon fiber adsorption tanks and catalytic combustion device, carbon fiber adsorption tank's the end of admitting air and giving vent to anger are connected respectively and are responsible for and give vent to anger on being responsible for, catalytic combustion device is responsible for through hot-blast main and the inlet pipe, catalytic combustion device is through purifying out the trachea and be connected with giving vent to anger and be responsible for, each carbon fiber adsorption tank is connected with catalytic combustion device through desorption gas outlet pipe respectively, be provided with the carbon fiber layer in the carbon fiber adsorption tank, form sliding connection between the inner wall that the carbon fiber layer passes through second slide rail and carbon fiber adsorption tank, and be equipped with the second loading and unloading door on the lateral wall of the carbon fiber adsorption tank that corresponds in the carbon fiber layer sliding direction.
2. The casting fume treatment system according to claim 1, wherein the dehumidifying unit comprises a grille frame and dehumidifying cotton filled in the grille frame.
3. The casting fume treatment system according to claim 1, wherein the carbon fiber layer is a honeycomb carbon fiber.
4. The casting flue gas treatment system according to claim 1, wherein a plurality of steel wire meshes are sequentially arranged in the pretreatment oil removing equipment from a flue gas inlet to a flue gas outlet, an ultrasonic oscillator is installed in the pretreatment oil removing equipment, the bottom in the pretreatment oil removing equipment is in a conical shape with a low center and high periphery, and an oil outlet is formed in the lowest position.
5. The casting flue gas treatment system according to claim 1, wherein a packing layer, a spraying layer and a demisting device are sequentially arranged in the spraying tower from bottom to top.
6. A cast flue gas treatment system as claimed in claim 5, wherein the demister comprises a baffle demister and a swirl plate demister.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221905652.6U CN218687785U (en) | 2022-07-23 | 2022-07-23 | Casting flue gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221905652.6U CN218687785U (en) | 2022-07-23 | 2022-07-23 | Casting flue gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218687785U true CN218687785U (en) | 2023-03-24 |
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ID=85626718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221905652.6U Active CN218687785U (en) | 2022-07-23 | 2022-07-23 | Casting flue gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218687785U (en) |
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2022
- 2022-07-23 CN CN202221905652.6U patent/CN218687785U/en active Active
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