CN212327944U - Waste heat utilization and exhaust treatment device of setting machine - Google Patents
Waste heat utilization and exhaust treatment device of setting machine Download PDFInfo
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- CN212327944U CN212327944U CN202020784622.9U CN202020784622U CN212327944U CN 212327944 U CN212327944 U CN 212327944U CN 202020784622 U CN202020784622 U CN 202020784622U CN 212327944 U CN212327944 U CN 212327944U
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Abstract
The waste heat utilization and waste gas treatment device of the setting machine comprises at least one treatment unit, wherein the treatment unit comprises a gas-gas heat exchanger and a waste gas treatment device; the gas-gas heat exchanger is provided with a low-temperature fresh air inlet pipe, a heating fresh air outlet pipe, a waste gas inlet pipe and a waste gas outlet main pipe; the heating fresh air outlet pipe is provided with a heating fresh air outlet, the waste gas inlet pipe is provided with a waste gas inlet, the waste gas outlet main pipe is provided with a waste gas outlet, the waste gas inlet and the heating fresh air outlet are communicated with the forming machine, the waste gas outlet is communicated with a waste gas treatment device, and the waste gas treatment device is connected with an exhaust branch pipe; all the exhaust branch pipes are connected with a main exhaust pipe, and an exhaust fan is arranged on the main exhaust pipe. The utility model discloses change the direct processing mode that discharges the atmosphere after the waste gas centralized processing of heating of traditional forming machine, retrieve heat used repeatedly, energy utilization is high, can reduce the running cost, reduces conflagration hidden danger, reduces environmental pollution.
Description
Technical Field
The utility model belongs to the technical field of energy recovery, concretely relates to forming machine waste heat utilization and exhaust treatment device.
Background
The printing and dyeing industry processes 1 ton knitted fabric, about 1.5 ton coal is needed, wherein the setting machine accounts for about 40%, the heat energy consumed by the fabric in the work of the setting machine only accounts for 29%, the heat energy consumed by the machine body accounts for 10%, and the heat energy dissipated by waste gas reaches 61%. The exhaust temperature of the chemical fiber product processed by the setting machine is 160-220 ℃, the exhaust temperature of the cotton product processed is 100-110 ℃, and huge energy waste and environmental pollution are caused.
No matter the manufacturers of the heat recovery and waste gas treatment equipment of the setting machine at home or abroad, a centralized treatment method is basically adopted, namely: high-temperature waste gas discharged by each drying room of the setting machine is collected by the exhaust branch pipe and the main pipe of each drying room and then concentrated to the tail end of the system for heat energy recycling, waste gas treatment and tar recovery treatment.
The existing problems of waste gas treatment of setting machines at home and abroad are as follows: because a large amount of tar is accumulated in each high-temperature exhaust pipe by adopting a method of tail end centralized treatment, fire disasters can happen occasionally, and serious hidden dangers exist for safety production.
The concentrated waste gas treatment plant placed on the top of the plant is bulky, with a conventional volume of up to 10 x 5 x 4 m and a volume of approximately 200m3Meanwhile, a huge platform waste gas treatment device needs to be built, the occupied area is large, and the processing and manufacturing cost and the manufacturing cost are high.
The waste gas treatment device generally adopts wet electrostatic treatment, and a sewage treatment device is required to be built for treating sewage generated by the wet electrostatic treatment, and excessive cost is increased.
Specifically, the comparison between home and abroad setting machines can be referred to as the following table:
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to prior art exists, provide a forming machine waste heat utilization and exhaust treatment device, change the direct processing mode that discharges the waste gas of heating of conventional forming machine in the atmosphere, retrieve heat used repeatedly to solve the extravagant big, the recycle ratio is low of current forming machine energy, exhaust pollution and the long-pending big problem of forming machine exhaust-gas treatment organism, and then can reduce the running cost, reduce conflagration hidden danger, reduce environmental pollution.
The utility model provides an above-mentioned technical problem's technical scheme as follows: the waste heat utilization and waste gas treatment device of the setting machine comprises at least one treatment unit, wherein the treatment unit comprises a gas-gas heat exchanger and a waste gas treatment device; the gas-gas heat exchanger is provided with a low-temperature fresh air inlet pipe, a heating fresh air outlet pipe, a waste gas inlet pipe and a waste gas outlet main pipe; the heating fresh air outlet pipe is provided with a heating fresh air outlet, the waste gas inlet pipe is provided with a waste gas inlet, the waste gas outlet main pipe is provided with a waste gas outlet, the waste gas inlet and the heating fresh air outlet are communicated with the setting machine, the waste gas outlet is communicated with the waste gas treatment device, and the waste gas treatment device is connected with an exhaust branch pipe; all the exhaust branch pipes are connected with a main exhaust pipe, and an exhaust fan is arranged on the main exhaust pipe.
The utility model is further arranged that the exhaust branch pipe is provided with an air volume adjusting valve; and an air volume regulating valve is arranged on the waste gas outlet main pipe.
The utility model discloses further set up to, the exhaust manifold includes collecting pipe and exhaust manifold, the collecting pipe is sharp pipe, it has a plurality of connections that are used for to open on the collecting pipe exhaust branch's connecting hole, it has a total discharge port to open on the exhaust manifold, the total discharge port is being connected the exhaust manifold, the air exhauster sets up on the exhaust manifold.
The utility model is further arranged that the collecting pipe is a sectional type pipe, which comprises a plurality of sections of air pipes, and each air pipe is connected with one exhaust branch pipe; the inner diameter of the air pipe which is closer to the main discharge port is larger, and two adjacent air pipes are connected through a conical pipe.
The present invention is further configured such that the gas-gas heat exchanger is a gas-gas plate heat exchanger.
The utility model is further configured in that the waste gas treatment device comprises a housing, one end of the housing is an air inlet, the other end is an air outlet, the waste gas outlet is communicated with the air inlet, and the air outlet is communicated with the exhaust branch pipe; the air inlet with be equipped with metal filler net, high-voltage electrostatic clarifier, compound oil blocking net, 185nm ultraviolet lamp and catalysis filter screen between the gas outlet in proper order, metal filler net bottom be equipped with the oil drain port on the shell, the catalysis filter screen includes the catalytic material on filter screen and the filter screen.
The utility model discloses further set up to, high-pressure electrostatic clarifier with the quantity that the oil net was hindered to the complex is unanimous and is more than two, high-pressure electrostatic clarifier with the oil net interval setting is hindered to the complex.
The utility model discloses further set up as, the metal packing net is the stainless steel pall ring packing.
The utility model discloses further set up to, compound oil blocking net includes a plurality of stainless steel filter screens that set up side by side.
The utility model discloses further set up as, the substrate of filter screen is pottery or active carbon in the catalysis filter screen, catalytic material is attached to through the flooding on the filter screen.
The utility model discloses further set up to, the fan is connected with the converter, the controller is being connected to the converter, oil mist sensor and the gaseous sensor that detects of VOC are being connected to the controller.
The utility model discloses change the direct processing mode that discharges in the atmosphere after the waste gas centralized processing with the heating of traditional forming machine, retrieve heat used repeatedly, energy utilization is high, can reduce the running cost, reduces conflagration hidden danger, reduces ambient temperature and pollution. The detailed advantageous effects of the present invention can be referred to the description of the detailed description.
Drawings
Fig. 1 is a schematic top view of an embodiment of the present invention;
fig. 2 is a schematic front view of the embodiment of the present invention;
FIG. 3 is a schematic diagram of heat recovery according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of an exhaust gas treatment device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the position of the fresh air supply after heat recovery in the embodiment of the present invention;
fig. 6 is a VOC gas detection system inside the setter.
Wherein, 1, a gas-gas heat exchanger; 2. an exhaust gas treatment device; 3. a low-temperature fresh air inlet pipe; 4. heating a fresh air outlet pipe; 5. an exhaust gas inlet pipe; 6. an exhaust gas outlet manifold; 7. a box body; 8. an exhaust branch pipe; 9. an exhaust fan; 10. an air volume adjusting valve a; 11. an exhaust manifold; 12. a collection pipe; 12-1, an air pipe; 12-2, a conical tube; 13. a housing; 14. a metal filler mesh; 15. a dry high voltage electrostatic machine; 16. a composite oil blocking net; 17. a 185nm ultraviolet lamp; 18. a catalytic filter screen; 19. an oil discharge port; 20. a burner; 21. a combustion chamber filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
The utility model provides a forming machine waste heat utilization and exhaust-gas treatment device 2, as the utility model discloses an embodiment, can refer to fig. 1 and fig. 2, waste heat utilization and exhaust-gas treatment device 2 include at least one processing unit, and processing unit includes gas-gas heat exchanger 1 and exhaust-gas treatment device 2. The gas-gas heat exchanger 1 has a low-temperature fresh air inlet pipe 3, a heating fresh air outlet pipe 4, a waste gas inlet pipe 5, and a waste gas outlet header pipe 6. Heating new trend outlet pipe 4 has the heating new trend export, and waste gas import pipe 5 has the waste gas import, and waste gas outlet house steward 6 has the waste gas export, and waste gas import and heating new trend export intercommunication forming machine, waste gas export intercommunication exhaust treatment device 2, and exhaust treatment device 2 is connected exhaust branch 8, and gas-gas plate heat exchanger is preferred to gas-gas heat exchanger 1. All the exhaust branch pipes 8 are connected with a main exhaust pipe, and an exhaust fan 9 is arranged on the main exhaust pipe. The utility model discloses a working process does: the low-temperature fresh air enters the air-air heat exchanger 1 from the low-temperature fresh air inlet pipe 3 for heat exchange and then becomes heating fresh air, the heating fresh air enters the setting machine for setting and using of cloth, high-temperature waste gas discharged by the setting machine enters the air-air heat exchanger 1 for heat exchange from the waste gas inlet and then becomes low-temperature waste gas, the low-temperature waste gas enters the waste gas treatment device 2 for purification treatment, and the treated clean gas is discharged through the exhaust branch pipe 8 and the discharge header pipe. A schematic of heat recovery can be seen in fig. 3.
The plurality of treatment units can be used in combination or independently, and preferably, a plurality of treatment units are arranged, corresponding to each box body 7, so that the waste heat utilization and exhaust gas treatment device 2 is small in load, small in size and uniform and thorough in treatment effect.
Further, an air volume adjusting valve a 10 is provided on the exhaust branch pipe 8, and an air volume adjusting valve b is provided on the exhaust gas outlet header pipe 6 for adjusting the air volume on each pipeline (the air volume adjusting valve b is not shown in the figure).
As another embodiment of the present invention, the exhaust main pipe includes a collecting pipe 12 and an exhaust main pipe 11, the collecting pipe 12 is a straight pipe, the collecting pipe 12 is provided with a plurality of connecting holes for connecting the exhaust branch pipes 8, the exhaust main pipe is provided with a main discharge port, the main discharge port is connected to the exhaust main pipe, and the exhaust fan 9 is disposed on the exhaust main pipe.
Furthermore, the collecting pipe 12 is a sectional type pipe and comprises a plurality of sections of air pipes 12-1, and each air pipe 12-1 is connected with an exhaust branch pipe 8. Further, the inner diameter of the air pipe 12-1 which is closer to the main discharge port is larger to adapt to gradually increased air volume, and the two adjacent air pipes 12-1 are connected through a conical pipe 12-2. If two adjacent air pipes 12-1 are connected by a vertical plane, the wind direction is changed sharply to generate a large pressure loss, and the tapered pipe 12-2 provides an excessive slope, so that the wind direction is changed little and the pressure loss is small.
As still another embodiment of the present invention, referring to fig. 4, the exhaust gas treatment device 2 includes a housing 13, one end of the housing 13 is an air inlet, the other end is an air outlet, an exhaust gas outlet communicates with the air inlet, and the air outlet communicates with the exhaust branch pipe 8. A metal filler net 14, a high-voltage electrostatic purifier, a composite oil blocking net 16, a 185nm ultraviolet lamp 17 and a catalytic filter screen 18 are sequentially arranged between the air inlet and the air outlet, an oil discharge port 19 is arranged at the bottom of the shell 13 at the bottom of the metal filler net 14, tar flows to the bottom of the shell 13 through dead weight and is discharged through the oil discharge port 19, and finally, the tar is concentrated into other devices such as an oil collector through a pipeline. Catalytic screen 18 comprises a screen and catalytic material on the screen to catalytically decompose ozone into oxygen and water.
Specifically, the metal packing mesh 14 is stainless steel pall ring packing. The tar is intercepted through the labyrinth structure, large particle dust, hair, small insects and the like in the atmosphere can be removed, the pressure of a lower-level processing device is protected and reduced, and the wind resistance is reduced. The 185nm ultraviolet lamp 17 can sterilize and deodorize, but the ultraviolet lamp generates ozone. The dry high-voltage electrostatic device 15 is arranged between the metal filler net 14 and the composite oil blocking net 16, the high-voltage electrostatic purifier charges pollutants in the air through static electricity, and then a dust collecting device is used for collecting tar and air dust which adsorb charged particles, so that the purposes of purifying the air, removing the tar, deodorizing and sterilizing are achieved. The composite oil blocking net 16 is used for repeatedly blocking oil and comprises a plurality of stainless steel filter screens which are arranged in parallel and have different meshes, and oil stains flow to the bottom of the shell 13 through dead weight and then pass through an oil discharge port 19. The filter screen substrate of the catalytic filter screen 18 is ceramic or activated carbon, and the catalytic material is attached to the filter screen by impregnation and has the functions of decomposing ozone through the catalytic material, degrading the content of ozone in air and simultaneously degrading VOC gas. The catalytic material can be an existing material, such as OC-KLM ozone oxidation catalyst of Shenzhenlie environmental protection technology Limited.
The dry high-voltage electrostatic apparatus 15 and the composite oil blocking net 16 in the exhaust gas treatment device 2 can adopt a modular structure, and different modules are adopted according to different treated fabrics and wind speeds, for example, if the gram weight of the fabric, namely the weight per square meter is larger, the temperature is higher, more tar is generated, and the more modules are required. For example: for the high-temperature treatment of the thick chemical fiber, 3 dry high-voltage electrostatic apparatuses 15 and 3 composite oil barriers 16 (corresponding to fig. 4) can be adopted, 2 dry high-voltage electrostatic apparatuses 15 and 2 composite oil barriers 16 can be adopted for the conventional cotton cloth product, and the dry high-voltage electrostatic apparatuses 15 and the 3 composite oil barriers 16 are arranged at intervals.
As another embodiment of the utility model, can refer to fig. 5, the new trend after the heating directly passes near combustor 20 that burning cabin filter screen 21 sent the forming machine through heating new trend outlet pipe 4, concentrates the heat and recycles, avoids calorific loss, has improved combustion efficiency.
Further, referring to fig. 6, the blower is connected to a frequency converter, the frequency converter is connected to a controller, and the controller is connected to an oil mist sensor and a VOC gas detection sensor. The oil mist sensor and the VOC gas detection sensor are arranged on the exhaust branch pipe 8 or each box body 7 and used for detecting the VOC gas concentration inside the forming machine.
The utility model discloses a forming machine waste heat utilization and exhaust treatment device has following function and characteristics:
the safety advantage is that: (1) after the waste gas is discharged from the box body of the setting machine, heat exchange is immediately carried out, so that the waste gas is timely cooled, the temperature of inflammable waste gas is far away from the temperature of a fire point, and the fire hazard is eliminated; (2) oil stains can not be seriously accumulated in an exhaust pipeline or a chimney of the setting machine, and the chance of fire hazard is reduced.
Environmental protection advantage: (1) the VOC sensor and the oil smoke particle sensor are used for monitoring and controlling the rotating speed of the fan on line, so that pollutants are controlled in a national required range, the exhaust emission is guaranteed to reach the standard at the same time, and the system is an upgraded product of an original water spraying and high-voltage electrostatic system; (2) the VOC emission standard of the atmospheric pollutant emission standard of the textile dyeing and finishing industry is as follows: 30mg/m3(ii) a The utility model discloses a VOC emission does through the actual measurement: 1-2mg/m3(Standard of the printing industry 30 mg/m)3) (ii) a The exhaust gas emission is superior to the atmospheric pollutant emission standard (DB 33/962-2015) of the textile dyeing and finishing industry in Zhejiang province. (3) Different from the product of the original water spraying process, the heat exchange is carried out once the high-temperature flue gas exits the box body of the setting machine, so that the heat is effectively recovered, the workshop environment temperature of the setting machine is greatly reduced, and the workshop operation environment is improved. (4) The variable frequency control of the fan ensures that the combustible gas in the box body is controlled at a safe level and the heat is improved to the maximum extentThe temperature efficiency of the exchange.
Energy saving advantage: (1) suppose that the forming machine has nine boxes, the whole high temperature heat that carries of waste gas of original nine boxes is discharged outdoors, the utility model discloses carry box used repeatedly after the high temperature waste gas heat recovery that produces the box. Gas is saved according to the year: 70238 cubic meters, the fuel gas is calculated according to 3.0 yuan/cubic meter, the fuel cost can be saved by 21.07 ten thousand RMB each year;
(2) the power consumption of the whole system is reduced from 27KW to 17.4KW, and 3.84 ten thousand yuan of electricity can be saved each year:
specifically, the conventional setting machine consumes power: air supply fan: 5.5KW × 2 ═ 11 KW; a waste gas treatment fan: 11 KW; cooling tower and water treatment pump: 5 KW; the total power consumption: 27 KW.
The utility model discloses: an exhaust fan: 15 KW; ultraviolet lamp: 2.4K; the total power consumption: 17.4 KW. The conventionality uses 2 or 3 fans, the utility model discloses only need use 1 air exhauster under the condition of guaranteeing effective wind pressure, reduce the energy consumption.
(3) 5-6 tons of water can be saved every day, and the investment cost of sewage treatment liquid medicine is avoided.
The specific economic benefit can be seen in the following table, and the economic benefit after using the utility model is as follows:
| serial number | Item | Quantization | Economic benefits (year/yuan) |
| 1 | Saving fuel gas | 70238 cubic meters per year | 210700 |
| 2 | Power saving | 10kw | 38400 |
| 3 | Without using water | 5-6T/D | 20000 |
| 4 | Recovery of waste oil | 25/D | 18000 |
| 5 | Total annual savings | 287100 |
Note: according to 9 sections of boxes, 5000 hours of calculation is carried out all the year. The electricity consumption of the electrostatic field and the original equipment are cancelled out.
Controlling the constant temperature and the constant humidity: the high-temperature air of the box body is repeatedly input into the working box body, the temperature in the drying room is prevented from being reduced, the working temperature in the setting machine is improved, and the production efficiency can be increased by more than 10%.
Installation: the cost is reduced, and the installation is convenient, reduces roof load and the installation degree of difficulty and investment cost and engineering time.
And (3) maintenance: the utility model discloses an independent processing unit assembles, and every processing unit can be equipped with the access door alone, convenient the maintenance.
The utility model discloses an achievement:
(1) the problem that oil stains are accumulated seriously in the pipeline and a fire disaster is easily caused at high temperature is solved (the oil stains are reduced and the temperature in the pipeline is reduced); and the problem that the emission of VOC gas exceeds standard is solved. Specifically, through utilizing the utility model discloses a waste heat recovery and exhaust treatment device, every work cabin (every box of forming machine is called a work cabin) has independent new trend to send into, has reduced the VOC gas concentration in the cabin, has reduced the conflagration hidden danger, has reduced the backpressure of air exhauster.
(2) The original conventional processes of water spraying cooling, water mist removal, condensation and the like are changed. The wet electrostatic purification mode is changed into a dry ion treatment process, the whole system does not use water, a sewage and sludge treatment device and a cooling tower are not needed, water and electricity are saved, secondary pollution is basically avoided, the equipment cost and the operation cost are relatively low, and the method conforms to the international advanced concept of anhydrous printing and dyeing.
(3) The treatment facilities are miniaturized, unlike the conventional treatment facilities, the size of each exhaust gas treatment device is 2200 × 640 × 510 (length × width × height), and the volume is 0.72m3Left and right, easy and quick installation and low cost; moreover, the conventional treatment device has large volume and heavy weight, and a large steel platform needs to be additionally arranged, so that the cost and the volume are further increased;
(4) the conventional large-scale centralized waste gas treatment device is changed into a small-scale independent structure, and a set of waste heat recovery and waste gas treatment device is arranged at the exhaust port of each working cabin, so that the device has the following advantages:
1) the exhaust gas entering the exhaust manifold is purified clean air, so that the oil in the pipe does not accumulate seriously like the conventional exhaust gas treatment device arranged at the tail end of the pipe. The product of the utility model reduces the probability of fire hazard, and the key is to reduce the accumulation of oil stain in the pipeline;
2) because the heat exchanger is arranged at the outlet of the working cabin, the air temperature in the exhaust branch pipe and the exhaust main pipe is reduced, and the probability of fire disaster is also reduced;
3) the temperature in the pipeline of the conventional setting machine is about 140-100 ℃, a large amount of heat is radiated and dissipated to a production workshop through the pipeline, the temperature of the workshop is increased, the exhaust temperature of the utility model is reduced to about 60-80 ℃, and the temperature of the workshop can be reduced;
the above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The waste heat utilization and waste gas treatment device of the setting machine is characterized by comprising at least one treatment unit, wherein the treatment unit comprises a gas-gas heat exchanger and a waste gas treatment device; the gas-gas heat exchanger is provided with a low-temperature fresh air inlet pipe, a heating fresh air outlet pipe, a waste gas inlet pipe and a waste gas outlet main pipe; the heating fresh air outlet pipe is provided with a heating fresh air outlet, the waste gas inlet pipe is provided with a waste gas inlet, the waste gas outlet main pipe is provided with a waste gas outlet, the waste gas inlet and the heating fresh air outlet are communicated with the setting machine, the waste gas outlet is communicated with the waste gas treatment device, and the waste gas treatment device is connected with an exhaust branch pipe; all the exhaust branch pipes are connected with a main exhaust pipe, and an exhaust fan is arranged on the main exhaust pipe.
2. The waste heat utilization and waste gas treatment device of the setting machine as claimed in claim 1, wherein an air volume adjusting valve is arranged on the exhaust branch pipe; and an air volume regulating valve is arranged on the waste gas outlet main pipe.
3. The waste heat utilization and exhaust gas treatment device of the setting machine as claimed in claim 1, wherein the exhaust main pipe comprises a collecting pipe and an exhaust main pipe, the collecting pipe is a straight pipe, the collecting pipe is provided with a plurality of connecting holes for connecting the exhaust branch pipes, the exhaust main pipe is provided with a main exhaust port, the main exhaust port is connected with the exhaust main pipe, and the exhaust fan is arranged on the exhaust main pipe.
4. The waste heat utilization and waste gas treatment device of the setting machine as claimed in claim 3, wherein the collecting pipe is a segmented pipe comprising a plurality of segments of air pipes, and each air pipe is connected with one exhaust branch pipe; the inner diameter of the air pipe which is closer to the main discharge port is larger, and two adjacent air pipes are connected through a conical pipe.
5. The waste heat utilization and waste gas treatment device of the setting machine according to claim 1, wherein the waste gas treatment device comprises a housing, one end of the housing is an air inlet, the other end of the housing is an air outlet, the waste gas outlet is communicated with the air inlet, and the air outlet is communicated with the exhaust branch pipe; the air inlet with be equipped with metal filler net, high-voltage electrostatic clarifier, compound oil blocking net, 185nm ultraviolet lamp and catalysis filter screen between the gas outlet in proper order, metal filler net bottom be equipped with the oil drain port on the shell, the catalysis filter screen includes the catalytic material on filter screen and the filter screen.
6. The waste heat utilization and exhaust gas treatment device of the setting machine as claimed in claim 5, wherein the number of the high-voltage electrostatic purifier and the number of the composite oil blocking nets are equal and are more than two, and the high-voltage electrostatic purifier and the composite oil blocking nets are arranged at intervals.
7. The waste heat utilization and exhaust gas treatment device of the setting machine as claimed in claim 5, wherein the metal filler mesh is stainless steel pall ring filler.
8. The waste heat utilization and exhaust gas treatment device of the setting machine as claimed in claim 5, wherein the composite oil blocking net comprises a plurality of stainless steel filter screens arranged in parallel.
9. The waste heat utilization and exhaust gas treatment device of the setting machine as claimed in claim 5, wherein a base material of a filter screen in the catalytic filter screen is ceramic or activated carbon, and the catalytic material is attached to the filter screen by impregnation.
10. The waste heat utilization and waste gas treatment device of the setting machine as claimed in claim 1, wherein the fan is connected with a frequency converter, the frequency converter is connected with a controller, and the controller is connected with an oil mist sensor and a VOC gas detection sensor.
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| CN202020784622.9U CN212327944U (en) | 2020-05-13 | 2020-05-13 | Waste heat utilization and exhaust treatment device of setting machine |
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| CN202020784622.9U CN212327944U (en) | 2020-05-13 | 2020-05-13 | Waste heat utilization and exhaust treatment device of setting machine |
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| CN212327944U true CN212327944U (en) | 2021-01-12 |
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