Air circulation control system of polishing spray booth

Abstract

The invention discloses an air circulation control system for a polishing spray booth, which relates to the field of polishing spray booths and comprises an air inlet unit, a circulating air module, a temperature and humidity control unit, an exhaust unit, a spray booth body, a waste gas treatment mechanism, a waste gas discharge mechanism, a fresh air inlet mechanism and a filtering mechanism. According to the spray booth, the flow of the fresh air entering the spray booth body is automatically adjusted through the flow control module, the fresh air is filtered before being fed into the spray booth body, and the temperature and humidity control unit regulates and controls the internal temperature of the spray booth body by being externally connected with the temperature regulation and control mechanism and the humidity regulation and control mechanism; waste gas can be treated and discharged through the exhaust unit, meanwhile, the concentration of discharged gas is detected, when the concentration exceeds the standard for multiple times, alarm treatment is conducted, a waste gas treatment mechanism is overhauled, long-time standard-exceeding discharge is avoided, pollution to the surrounding atmospheric environment is reduced, and environmental protection is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of polishing and spraying paint booths, in particular to an air circulation control system for a polishing and spraying paint booth. Background Art

[0002] The grinding and painting room is a special work space used for grinding and painting the surface of objects. Dust and harmful gases will be generated during the grinding and painting process. An air circulation control system is required to discharge these harmful pollutants outdoors or filter and purify them.

[0003] In the prior art, when air is circulated inside the polishing and painting room, the exhaust gas concentration cannot be detected during the exhaust gas emission process, and no alarm can be issued after the concentration fails to meet the standard for multiple times. As a result, the exhaust gas treatment device is prone to exhaust gas emissions that do not meet the standard after long-term use, and the exhaust gas emissions that do not meet the standard cannot be discovered in time, causing environmental pollution. Summary of the invention

[0004] The purpose of the present invention is to provide an air circulation control system for a polishing and spraying room to solve the problem that the exhaust gas concentration cannot be detected during the exhaust gas emission process and the alarm cannot be processed after the concentration does not meet the standard for multiple times.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an air circulation control system for a polishing spray booth, comprising an air intake unit, a circulating air module, a temperature and humidity control unit, an exhaust unit, a spray booth body, an exhaust gas treatment mechanism, an exhaust gas discharge mechanism, a fresh air intake mechanism and a filtering mechanism;

[0006] The air intake unit is used to process the fresh air entering the paint spray booth body using the fresh air intake mechanism to control the fresh air intake flow rate;

[0007] The circulating air module is used to drive the air to circulate inside the spray booth body;

[0008] The temperature and humidity control unit is used to adjust the temperature and humidity of the air according to different process requirements;

[0009] The exhaust unit is used to process the exhaust gas transported from the room and discharge the treated exhaust gas;

[0010] The exhaust unit includes an exhaust gas emission module, an exhaust gas treatment module and an over-standard alarm module;

[0011] The exhaust gas emission module is used to send the exhaust gas from the interior of the spray booth body to the exhaust gas treatment mechanism for treatment through the exhaust gas emission mechanism. A particle detector is installed inside the exhaust gas emission mechanism to detect the exhaust gas exceeding the standard and circulate it to the interior of the exhaust gas treatment mechanism for treatment.

[0012] The exhaust gas treatment module is used to treat the exhaust gas sent into the exhaust gas treatment mechanism;

[0013] The over-standard alarm module is used to record the number of times the exhaust gas enters the circulation treatment within a specified time. When the number of circulation treatments exceeds the set value, it is determined that there is a fault in the internal equipment of the exhaust gas treatment mechanism and an alarm is issued.

[0014] Preferably, the air intake unit includes a flow control module and a filtering processing module;

[0015] The flow control module is used to adjust the amount of fresh air entering the room according to the indoor air quality, temperature and humidity;

[0016] The filtering processing module is used to install a filtering mechanism at the fresh air inlet to filter foreign particles in the air.

[0017] Preferably, the adjustment of the amount of fresh air entering the room requires installing laser scattering particle sensors inside the fresh air intake mechanism and inside the paint booth body, conducting particle concentration detection in different areas, establishing an indoor air quality model, using fuzzy logic control to process input information, and outputting appropriate fresh air volume adjustment instructions by defining fuzzy rules to adjust the fresh air intake flow.

[0018] Preferably, the temperature and humidity control unit includes a temperature adjustment module and a humidity adjustment module;

[0019] The temperature regulating module is used to connect the temperature regulating mechanism outside the spray booth body, heat and cool the air and regulate the temperature of the air according to different spraying processes and environmental conditions;

[0020] The humidity regulating module is used to connect the humidity regulating mechanism outside the spray booth body, and to perform humidification and dehumidification operations on the air according to different air humidity requirements.

[0021] Preferably, one side of the exhaust gas treatment mechanism is installed on one side of the exhaust gas emission mechanism, the exhaust gas treatment mechanism includes a treatment box, one side of the exhaust gas emission mechanism is installed on the bottom side of the paint spraying room body, the exhaust gas emission mechanism includes an adsorption port and a third delivery pipe, one end of the third delivery pipe is fixedly connected to one side of the treatment box, the other end of the third delivery pipe is fixedly connected to an electric three-way valve, one side of the electric three-way valve is fixedly connected to one side of the treatment box, one side of the treatment box is fixedly connected to a first fan, the inlet end of the first fan is fixedly connected to the top of the treatment box, the outlet end of the first fan is fixedly connected to one end of the electric three-way valve, and the other end of the electric three-way valve is fixedly connected to the second delivery pipe.

[0022] Preferably, one end of the adsorption port is fixedly connected to the bottom side of the air inlet unit, one side of the adsorption port is fixedly connected to a first delivery pipe, and one end of the first delivery pipe is fixedly connected to one side of the processing box.

[0023] Preferably, a partition is fixedly connected to the inside of the processing box, a slanted baffle is fixedly connected to one side of the partition, an adsorption layer is provided above the slanted baffle, one side of the adsorption layer is fixedly connected to the inner side of the processing box, and the other side of the adsorption layer is fixedly connected to one side of the partition.

[0024] Preferably, the bottom end of the processing box is fixedly connected to a fixed box, one side of the fixed box is fixedly connected to one side of the paint spray booth body, the outer side of the fixed box is fixedly connected to a water pump, the water inlet end of the water pump is fixedly connected to a second spray pipe, one end of the second spray pipe is fixedly connected to one side of the fixed box, the water outlet end of the second spray pipe is fixedly connected to the first spray pipe, the outside of the first spray pipe is fixedly connected to two third spray pipes, one of the third spray pipes is fixedly connected to one side of the inclined baffle, and the other third spray pipe is fixedly connected to one side of the partition.

[0025] Preferably, the fresh air intake mechanism is arranged on one side of the paint spray booth body, and the fresh air intake mechanism includes a first connecting pipe, one end of the first connecting pipe is fixedly connected to the second fan, one side of the second fan is fixedly connected to the side of the paint spray booth body, one end of the second fan is fixedly connected to the second connecting pipe, one end of the second connecting pipe is fixedly connected to the third connecting pipe, and one end of the third connecting pipe is fixedly connected to the air outlet.

[0026] Preferably, the filtering mechanism includes an air inlet pipe, one end of the air inlet pipe is fixedly connected to a filter screen, one end of the filter screen is fixedly connected to a fixed frame, one end of the fixed frame is fixedly connected to one end of a first connecting pipe, a second filter plate is fixedly connected to the interior of the fixed frame, a first filter plate is provided on one side of the second filter plate, and the outer side of the first filter plate is fixedly connected to the inner side of the fixed frame.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] 1. In the present invention, the flow rate of fresh air entering the paint spray booth body is automatically adjusted by the flow control module, and the fresh air is filtered before being sent into the paint spray booth body to prevent impurities in the air from affecting the work inside the paint spray booth body. The circulating air module can drive the air to circulate inside the paint spray booth body, and the temperature and humidity control unit can control the internal temperature of the paint spray booth body through an external temperature control mechanism and a humidity control mechanism. The exhaust unit can process and discharge the exhaust gas, and at the same time, the concentration of the discharged gas is detected. When the concentration exceeds the standard for many times, an alarm is issued, and the exhaust gas treatment mechanism is repaired to avoid long-term excessive emissions, reduce pollution to the surrounding atmospheric environment, and facilitate environmental protection.

[0029] 2. In the present invention, the exhaust gas inside the paint spray room body is sent to the interior of the treatment box, and the water pump drives the liquid to be sprayed out from the third spray pipe to remove the particulate matter inside the exhaust gas. The two adsorption layers can adsorb the volatile organic compounds inside the exhaust gas. An exhaust gas detection device is installed inside the first fan to detect the pollutant concentration inside the exhaust gas. The exhaust gas that exceeds the emission standard is returned to the interior of the treatment box for further treatment to prevent the exhaust gas that does not meet the standard from being directly discharged, thereby improving the environmental protection effect.

[0030] 3. In the present invention, the second fan drives the outside air to pass through the filter screen, the first filter plate and the second filter plate in sequence, and filters the impurity particles and dust in the air to prevent the particulate matter and dust in the air from entering the interior of the paint spraying room body and affecting the subsequent air circulation equipment and paint spraying and polishing work. The air is sent into the interior of the paint spraying room body, and the air flows downward at a certain speed, driving the paint mist particles generated during the painting process to move downward with the airflow to avoid them from being suspended in the air for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a system block diagram of an air circulation control system for a polishing spray booth of the present invention;

[0032] Figure 2 It is a first three-dimensional structural schematic diagram of an air circulation control system for a polishing spray booth of the present invention;

[0033] Figure 3 It is a second three-dimensional structural schematic diagram of an air circulation control system for a polishing spray booth of the present invention;

[0034] Figure 4 It is a schematic diagram of the connection structure of the exhaust gas treatment mechanism and the exhaust gas discharge mechanism of the air circulation control system of a polishing spray booth of the present invention;

[0035] Figure 5 This is a schematic diagram of the internal connection structure of an exhaust gas treatment mechanism of an air circulation control system for a polishing spray booth of the present invention;

[0036] Figure 6 This is a schematic diagram of the connection structure of a fresh air intake mechanism of an air circulation control system for a polishing spray booth of the present invention;

[0037] Figure 7 This is a schematic diagram of the disassembled structure of a filter mechanism of an air circulation control system for a polishing spray booth of the present invention.

[0038] In the figure: 1. air intake unit; 11. flow control module; 12. filtering and processing module; 2. circulating air module; 3. temperature and humidity control unit; 31. temperature adjustment module; 32. humidity adjustment module; 4. exhaust unit; 41. exhaust emission module; 42. exhaust treatment module; 43. over-standard alarm module; 5. spray booth body; 6. exhaust treatment mechanism; 61. treatment box; 62. fixed box; 63. water pump; 64. first spray pipe; 65. second spray pipe; 66. partition; 67. inclined baffle ; 68. The third spray pipe; 69. The adsorption layer; 7. The exhaust gas discharge mechanism; 71. The adsorption port; 72. The first delivery pipe; 73. The second delivery pipe; 74. The electric three-way valve; 75. The first fan; 76. The third delivery pipe; 8. The fresh air intake mechanism; 81. The first connecting pipe; 82. The second connecting pipe; 83. The second fan; 84. The third connecting pipe; 85. The air outlet; 9. The filtering mechanism; 91. The air inlet pipe; 92. The first filter plate; 93. The second filter plate; 94. The fixing frame; 95. The filter. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] Example 1: Reference Figure 1 As shown: an air circulation control system for a polishing spray booth, comprising an air intake unit 1, a circulating air module 2, a temperature and humidity control unit 3, an exhaust unit 4, a spray booth body 5, an exhaust gas treatment mechanism 6, an exhaust gas discharge mechanism 7, a fresh air intake mechanism 8 and a filtering mechanism 9;

[0041] The air intake unit 1 is used to process the fresh air entering the interior of the spray booth body 5 using the fresh air intake mechanism 8 to control the fresh air intake flow rate;

[0042] The air intake unit 1 includes a flow control module 11 and a filtering processing module 12;

[0043] The flow control module 11 is used to adjust the amount of fresh air entering the room according to the indoor air quality, temperature and humidity;

[0044] To adjust the amount of fresh air entering the room, it is necessary to install laser scattering particle sensors inside the fresh air intake mechanism 8 and inside the spray booth body 5, detect the particle concentration in different areas, establish an indoor air quality model, use fuzzy logic control to process the input information, and output appropriate fresh air volume adjustment instructions by defining fuzzy rules to adjust the fresh air inflow;

[0045] The flow control module 11 can not only adjust the fresh air volume according to the indoor air quality, temperature and humidity, but also be linked with the working status of the paint spraying room. By collecting long-term indoor and outdoor environmental data, paint spraying process data and air quality data, the adjustment strategy of the fresh air volume is continuously optimized through machine learning algorithms;

[0046] The filtering processing module 12 is used to install the filtering mechanism 9 at the fresh air inlet to filter the foreign particles in the air.

[0047] The circulating air module 2 is used to drive the air to circulate inside the spray booth body 5;

[0048] The temperature and humidity control unit 3 is used to adjust the temperature and humidity of the air according to different process requirements;

[0049] The temperature and humidity control unit 3 includes a temperature adjustment module 31 and a humidity adjustment module 32;

[0050] The temperature regulating module 31 is used to connect the temperature regulating mechanism outside the spray booth body 5, and heat and cool the air to regulate the temperature of the air according to different spraying processes and environmental conditions;

[0051] The humidity regulating module 32 is used to connect the humidity regulating mechanism outside the spray booth body 5, and perform humidification and dehumidification operations on the air according to different air humidity requirements;

[0052] The exhaust unit 4 is used to process the exhaust gas transported from the room and discharge the processed exhaust gas;

[0053] The exhaust unit 4 includes an exhaust gas emission module 41, an exhaust gas treatment module 42 and an over-limit alarm module 43;

[0054] The exhaust gas emission module 41 is used to send the exhaust gas from the inside of the spray booth body 5 to the inside of the exhaust gas treatment mechanism 6 for treatment through the exhaust gas emission mechanism 7. A particle detector is installed inside the exhaust gas emission mechanism 7 to detect the exhaust gas exceeding the standard and circulate it to the inside of the exhaust gas treatment mechanism 6 for treatment;

[0055] The exhaust gas treatment module 42 is used to treat the exhaust gas sent into the exhaust gas treatment mechanism 6;

[0056] The over-standard alarm module 43 is used to record the number of times the exhaust gas enters the circulation treatment within a specified time. When the number of circulation treatments exceeds the set value, it is determined that there is a fault in the internal equipment of the exhaust gas treatment mechanism 6 and an alarm is issued.

[0057] The over-standard alarm module 43 not only records the number of exhaust gas circulation treatment times, but also collects the operating parameters of each device in the exhaust gas treatment mechanism 6. When the number of exhaust gas circulation treatment times exceeds the set value, it determines whether there is a fault in the equipment, locates the fault point, and provides detailed fault causes and solutions, provides corresponding maintenance measures, replaces the adsorption layer 69, and checks the sealing of the equipment.

[0058] Embodiment 2: Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, one side of the exhaust gas treatment mechanism 6 is installed on one side of the exhaust gas emission mechanism 7, the exhaust gas treatment mechanism 6 includes a treatment box 61, one side of the exhaust gas emission mechanism 7 is installed on the bottom side of the paint spraying room body 5, the exhaust gas emission mechanism 7 includes an adsorption port 71 and a third delivery pipe 76, one end of the third delivery pipe 76 is fixedly connected to one side of the treatment box 61, the other end of the third delivery pipe 76 is fixedly connected to an electric three-way valve 74, one side of the electric three-way valve 74 is fixedly connected to one side of the treatment box 61, one side of the treatment box 61 is fixedly connected to a first fan 75, the inlet end of the first fan 75 is fixedly connected to the top of the treatment box 61, the outlet end of the first fan 75 is fixedly connected to one end of the electric three-way valve 74, and the other end of the electric three-way valve 74 is fixedly connected to a second delivery pipe 73; one end of the adsorption port 71 is fixedly connected to the bottom side of the air intake unit 1, one side of the adsorption port 71 is fixedly connected to a first delivery pipe 72, one end of the first delivery pipe 72 is fixedly connected It is connected to one side of the processing box 61; a partition 66 is fixedly connected inside the processing box 61, and an oblique baffle 67 is fixedly connected to one side of the partition 66. An adsorption layer 69 is arranged above the oblique baffle 67, one side of the adsorption layer 69 is fixedly connected to the inner side of the processing box 61, and the other side of the adsorption layer 69 is fixedly connected to one side of the partition 66; a fixed box 62 is fixedly connected to the bottom end of the processing box 61, one side of the fixed box 62 is fixedly connected to one side of the paint spraying room body 5, and a water pump 63 is fixedly connected to the outside of the fixed box 62. The water inlet end of the water pump 63 is fixedly connected to the second spray pipe 65, one end of the second spray pipe 65 is fixedly connected to one side of the fixed box 62, and the water outlet end of the second spray pipe 65 is fixedly connected to the first spray pipe 64. The outside of the first spray pipe 64 is fixedly connected to two third spray pipes 68, one of which is fixedly connected to one side of the oblique baffle 67, and the other is fixedly connected to one side of the partition 66.

[0059] In this embodiment, the first fan 75 is operated, and the suction port 71 is connected to the bottom end of the paint spraying room body 5, so that the exhaust gas inside the paint spraying room body 5 can be sent from the suction port 71 and the first delivery pipe 72 to the inside of the treatment box 61, and the water pump 63 drives the liquid inside the fixed box 62 to pass through the second spray pipe 65 and the first spray pipe 64 in turn and spray out from the nozzle on the third spray pipe 68, so as to remove the particulate matter inside the exhaust gas. A plurality of staggered oblique baffles 67 are obliquely arranged on one side of the partition 66, which can slow down the speed of the exhaust gas passing through and improve the effect of removing the particulate matter inside the exhaust gas. Two adsorption layers 69 are arranged above the oblique baffle 67. The two adsorption layers 69 are respectively They are respectively an activated carbon filter layer and a catalytic combustion filter layer, which can absorb volatile organic compounds in the exhaust gas. The treated exhaust gas passes through the first fan 75. An exhaust gas detection device is installed inside the first fan 75 to detect the pollutant concentration in the exhaust gas. When the emission exceeds the standard, the electric three-way valve 74 works to connect the first fan 75 with the third delivery pipe 76, so that the exhaust gas returns to the interior of the treatment box 61 for further treatment. When the exhaust gas treatment meets the standard, the electric three-way valve 74 works to connect the first fan 75 with the second delivery pipe 73, and the exhaust gas that meets the standard is discharged through the second delivery pipe 73, so as to prevent the exhaust gas that does not meet the standard from being directly discharged, thereby improving the environmental protection effect.

[0060] Embodiment 3: According to Figure 2 , Figure 3 , Figure 6 and Figure 7 As shown, the fresh air intake mechanism 8 is arranged on one side of the paint spray booth body 5, and the fresh air intake mechanism 8 includes a first connecting pipe 81, one end of the first connecting pipe 81 is fixedly connected to the second fan 83, one side of the second fan 83 is fixedly connected to one side of the paint spray booth body 5, one end of the second fan 83 is fixedly connected to the second connecting pipe 82, one end of the second connecting pipe 82 is fixedly connected to the third connecting pipe 84, and one end of the third connecting pipe 84 is fixedly connected to the air outlet 85; the filtering mechanism 9 includes an air inlet pipe 91, one end of the air inlet pipe 91 is fixedly connected to a filter screen 95, one end of the filter screen 95 is fixedly connected to a fixed frame 94, one end of the fixed frame 94 is fixedly connected to one end of the first connecting pipe 81, and the interior of the fixed frame 94 is fixedly connected to a second filter plate 93, one side of the second filter plate 93 is provided with a first filter plate 92, and the outer side of the first filter plate 92 is fixedly connected to the inner side of the fixed frame 94.

[0061] In this embodiment, the second fan 83 is used to drive the outside air into the interior of the air inlet pipe 91. The air passes through the filter 95, the first filter plate 92 and the second filter plate 93 in turn to filter the impurity particles and dust in the air, so as to prevent the particulate matter and dust in the air from entering the interior of the paint spraying room body 5 and affecting the subsequent air circulation equipment and paint spraying and polishing work. The filtered air passes through the second connecting pipe 82 and enters the interior of the multiple third connecting pipes 84 arranged and distributed. The outside of the third connecting pipe 84 is connected to multiple air outlets 85 for delivering air into the interior of the paint spraying room body 5. The air flows downward at a certain speed, driving the paint mist particles generated during the painting process to move downward with the airflow to prevent them from being suspended in the air for a long time.

[0062] The use method and working principle of the device: the second fan 83 works, the outside air enters the interior of the air inlet pipe 91, passes through the filter screen 95, the first filter plate 92 and the second filter plate 93 in turn, and the impurity particles and dust in the air are filtered. The air passes through the second connecting pipe 82, the third connecting pipe 84 and the air outlet 85, and the air is sent to the interior of the spray booth body 5. The exhaust gas generated in the spray booth body 5 is sent to the interior of the treatment box 61 through the adsorption port 71 and the first delivery pipe 72 through the operation of the first fan 75. The water pump 63 drives the fixed box The liquid inside 62 is sprayed out from the nozzle on the third spray pipe 68 to remove the particulate matter inside the exhaust gas. A plurality of staggered inclined baffles 67 can slow down the speed of the exhaust gas passing through. Two adsorption layers 69 are arranged above the inclined baffles 67 to adsorb the volatile organic compounds inside the exhaust gas. The treated exhaust gas passes through the first fan 75. There is an exhaust gas detection device inside the first fan 75 to detect the pollutant concentration inside the exhaust gas. When the emission exceeds the standard, the exhaust gas returns to the inside of the treatment box 61 for further treatment. When the exhaust gas treatment meets the standard, it is discharged through the second conveying pipe 73.

[0063] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An air circulation control system for a polishing and spraying room, characterized in that: It comprises an air intake unit (1), a circulating air module (2), a temperature and humidity control unit (3), an exhaust unit (4), a spray booth body (5), an exhaust gas treatment mechanism (6), an exhaust gas discharge mechanism (7), a fresh air intake mechanism (8) and a filtering mechanism (9); The air intake unit (1) is used to process the fresh air entering the interior of the spray booth body (5) using the fresh air intake mechanism (8) to control the fresh air intake flow rate; The circulating air module (2) is used to drive air to circulate inside the paint spraying room body (5); The temperature and humidity control unit (3) is used to adjust the temperature and humidity of the air according to different process requirements; The exhaust unit (4) is used to process the exhaust gas transmitted from the room and discharge the processed exhaust gas; The exhaust unit (4) comprises an exhaust gas emission module (41), an exhaust gas treatment module (42) and an over-standard alarm module (43); The exhaust gas emission module (41) is used to send the exhaust gas from the interior of the spray booth body (5) to the interior of the exhaust gas treatment mechanism (6) for treatment through the exhaust gas emission mechanism (7); a particle detector is installed inside the exhaust gas emission mechanism (7); and the exhaust gas detected to be exceeding the standard is circulated and sent to the interior of the exhaust gas treatment mechanism (6) for treatment; The exhaust gas treatment module (42) is used to treat the exhaust gas sent into the exhaust gas treatment mechanism (6); The over-standard alarm module (43) is used to record the number of times the waste gas enters the circulation treatment within a specified time. When the number of circulation treatments exceeds the set value, it is determined that there is a fault in the internal equipment of the waste gas treatment mechanism (6) and an alarm is issued.

2. The air circulation control system for a polishing and spraying room according to claim 1 is characterized in that: The air intake unit (1) comprises a flow control module (11) and a filtering processing module (12); The flow control module (11) is used to adjust the amount of fresh air entering the room according to the indoor air quality, temperature and humidity; The filtering processing module (12) is used to install a filtering mechanism (9) at the fresh air inlet to filter foreign particles in the air.

3. The air circulation control system for a polishing and spraying room according to claim 2 is characterized in that: The adjustment of the amount of fresh air entering the room requires installing laser scattering particle sensors inside the fresh air intake mechanism (8) and inside the paint spray booth body (5), detecting the particle concentration in different areas, establishing an indoor air quality model, using fuzzy logic control to process input information, and outputting appropriate fresh air volume adjustment instructions by defining fuzzy rules to adjust the fresh air intake flow rate.

4. The air circulation control system for a polishing and spraying room according to claim 1 is characterized in that: The temperature and humidity control unit (3) comprises a temperature adjustment module (31) and a humidity adjustment module (32); The temperature regulating module (31) is used to connect a temperature regulating mechanism outside the spray painting room body (5) to heat and cool the air and regulate the temperature of the air according to different spray painting processes and environmental conditions; The humidity regulating module (32) is used to connect a humidity regulating mechanism outside the paint spraying room body (5) to perform humidification and dehumidification operations on the air according to different air humidity requirements.

5. The air circulation control system for a polishing and spraying room according to claim 1 is characterized in that: One side of the waste gas treatment mechanism (6) is installed on one side of the waste gas discharge mechanism (7), the waste gas treatment mechanism (6) comprises a treatment box (61), one side of the waste gas discharge mechanism (7) is installed on the bottom side of the paint spraying room body (5), the waste gas discharge mechanism (7) comprises an adsorption port (71) and a third delivery pipe (76), one end of the third delivery pipe (76) is fixedly connected to one side of the treatment box (61), the other end of the third delivery pipe (76) is fixedly connected to an electric three-way valve (74), one side of the electric three-way valve (74) is fixedly connected to one side of the treatment box (61), one side of the treatment box (61) is fixedly connected to a first fan (75), the inlet end of the first fan (75) is fixedly connected to the top end of the treatment box (61), the outlet end of the first fan (75) is fixedly connected to one end of the electric three-way valve (74), and the other end of the electric three-way valve (74) is fixedly connected to a second delivery pipe (73).

6. The air circulation control system for a polishing and spraying room according to claim 5, characterized in that: One end of the adsorption port (71) is fixedly connected to the bottom side of the air intake unit (1), one side of the adsorption port (71) is fixedly connected to a first delivery pipe (72), and one end of the first delivery pipe (72) is fixedly connected to one side of the processing box (61).

7. The air circulation control system for a polishing and spraying room according to claim 5, characterized in that: A partition (66) is fixedly connected inside the processing box (61), a slanted baffle (67) is fixedly connected to one side of the partition (66), an adsorption layer (69) is arranged above the slanted baffle (67), one side of the adsorption layer (69) is fixedly connected to the inner side of the processing box (61), and the other side of the adsorption layer (69) is fixedly connected to one side of the partition (66).

8. The air circulation control system for a polishing and spraying room according to claim 5, characterized in that: The bottom end of the processing box (61) is fixedly connected to a fixed box (62), one side of the fixed box (62) is fixedly connected to one side of the paint spraying room body (5), the outer side of the fixed box (62) is fixedly connected to a water pump (63), the water inlet end of the water pump (63) is fixedly connected to a second spray pipe (65), one end of the second spray pipe (65) is fixedly connected to one side of the fixed box (62), the water outlet end of the second spray pipe (65) is fixedly connected to a first spray pipe (64), the outside of the first spray pipe (64) is fixedly connected to two third spray pipes (68), one of the third spray pipes (68) is fixedly connected to one side of the inclined baffle (67), and the other third spray pipe (68) is fixedly connected to one side of the partition (66).

9. The air circulation control system for a polishing and spraying room according to claim 1, characterized in that: The fresh air intake mechanism (8) is arranged on one side of the paint spraying room body (5), and comprises a first connecting pipe (81), one end of the first connecting pipe (81) is fixedly connected to a second fan (83), one side of the second fan (83) is fixedly connected to one side of the paint spraying room body (5), one end of the second fan (83) is fixedly connected to a second connecting pipe (82), one end of the second connecting pipe (82) is fixedly connected to a third connecting pipe (84), and one end of the third connecting pipe (84) is fixedly connected to an air outlet (85).

10. The air circulation control system for a polishing and spraying room according to claim 1, characterized in that: The filtering mechanism (9) comprises an air inlet pipe (91), one end of the air inlet pipe (91) is fixedly connected to a filter screen (95), one end of the filter screen (95) is fixedly connected to a fixing frame (94), one end of the fixing frame (94) is fixedly connected to one end of a first connecting pipe (81), a second filter plate (93) is fixedly connected inside the fixing frame (94), a first filter plate (92) is provided on one side of the second filter plate (93), and the outer side of the first filter plate (92) is fixedly connected to the inner side of the fixing frame (94).

Images