Waste gas treatment device of coating mechanical equipment

Abstract

The invention belongs to the technical field of waste gas treatment, and particularly relates to a waste gas treatment device of coating mechanical equipment, which comprises a bottom plate, a filter box, a settling box and a disinfection box are fixed at the top of the bottom plate, and gas inlet pipes and gas outlet pipes are respectively arranged at two ends of the filter box, the settling box and the disinfection box; the filtering box and the settling box as well as the settling box and the disinfecting box are communicated through connecting pipes respectively, the filtering box, the settling box and the disinfecting box are used for filtering, settling and disinfecting waste gas respectively, a net plate is fixed in the filtering box, a detection module is fixed on the inner wall of the air inlet end of the filtering box, and a control module is fixed on the top of the filtering box; a cleaning mechanism is also arranged in the filter box; the detection module is used for detecting the thickness of impurities on the screen plate; and the control module is used for receiving the signal sent by the detection module. According to the invention, impurities on the filter plate are cleaned in time through the intelligent cleaning mechanism, so that the influence of impurity accumulation on the filtering performance is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of waste gas treatment, and in particular to a waste gas treatment device for coating machinery and equipment. Background Art

[0002] Coating refers to covering metal and non-metal surfaces with a protective or decorative layer, and coating machinery is an industry that is rapidly developing based on coating.

[0003] In order to treat the waste gas generated by the use of coating machinery and equipment, a Chinese patent with publication number CN109012002B discloses a waste gas treatment device for coating machinery and equipment, including a base, a mounting plate is provided above the base, a filter box, a sedimentation box and a disinfection box are fixedly installed on the top of the mounting plate, the sedimentation box is located between the filter box and the disinfection box, the same filter plate is fixedly installed on the top inner wall and the bottom inner wall of the filter box, a mounting block is slidably installed in the filter box, the mounting block is located on the side of the filter plate away from the sedimentation box, a brush is fixedly installed on the side of the mounting block close to the filter plate, the brush is in contact with the filter plate, the same lead screw is rotatably installed on the top inner wall and the bottom inner wall of the filter box, and the lead screw is threadedly connected to the mounting block. Although the existing technical problems have been solved, the following problems still exist:

[0004] In this technical solution, although it is considered to clean the filter plate by a brush, it is impossible to automatically determine when the filter plate needs to be cleaned. Therefore, it is necessary to manually check the status of the filter plate regularly and then start the brush to clean it automatically. The degree of intelligence is low, so corresponding improvements are made to address this problem. Summary of the invention

[0005] Based on the technical problems existing in the prior art, the present invention proposes an exhaust gas treatment device for coating mechanical equipment.

[0006] An exhaust gas treatment device for coating mechanical equipment proposed by the present invention comprises a bottom plate, a filter box, a sedimentation box and a disinfection box are fixed on the top of the bottom plate, an air inlet pipe and an air outlet pipe are respectively arranged at both ends of the filter box, the sedimentation box and the disinfection box, the filter box and the sedimentation box as well as the sedimentation box and the disinfection box are respectively connected by connecting pipes, the filter box, the sedimentation box and the disinfection box are respectively used for filtering, sedimentation and disinfecting the exhaust gas, a mesh plate is fixed inside the filter box, a detection module is fixed on the inner wall of one end of the filter box for air inlet, a control module is fixed on the top of the filter box, and a cleaning mechanism is also arranged in the filter box; the detection module is used for detecting the thickness of impurities on the mesh plate; the control module is used for receiving the signal sent by the detection module, and comprises a microprocessor and a control circuit; the microprocessor analyzes the data collected by the detection module and processing to determine whether the impurities on the mesh plate meet the cleaning conditions, and the control circuit controls the action of the cleaning mechanism according to the instructions of the microprocessor; the cleaning mechanism is an electric brush, and the electric brush drives the cleaning brush through the motor to brush the surface of the mesh plate to clean the impurities; the exhaust gas is introduced into the air inlet pipe of the filter box, and the exhaust gas will pass through the filter box, sedimentation box and disinfection box in turn for filtration, sedimentation and disinfection, and finally discharged from the air outlet of the disinfection box. During this period, the detection module will detect the thickness of the impurities on the mesh plate in real time, and the control module will receive the signal sent by the detection module, analyze and process the data collected by the detection module to determine whether the impurities on the mesh plate meet the cleaning conditions. When the cleaning conditions are met, the cleaning mechanism is controlled to act, and then the electric brush drives the cleaning brush through the motor to brush the surface of the mesh plate to clean the impurities.

[0007] Preferably, the electric brush also includes a pair of reciprocating screws, which pass through the top of the filter box and are rotatably connected to the filter box. The cleaning brush sleeve is arranged on the two reciprocating screws and forms a transmission connection between the reciprocating screws. Synchronous wheels are fixedly sleeved on the two reciprocating screws respectively, and the two synchronous wheels are connected by a synchronous belt. A mounting seat is fixed on the top of the filter box, the motor is fixed on the mounting seat, and the output shaft of the motor is fixedly connected to the end of one of the reciprocating screws; after the motor is started, the output shaft of the motor will drive one of the synchronous wheels to rotate, and then through the transmission cooperation of the synchronous wheel and the synchronous belt, the two reciprocating screws will be driven to rotate synchronously, and then the reciprocating screw will drive the cleaning brush to move back and forth up and down to clean impurities on the mesh plate.

[0008] Preferably, the detection module uses an infrared sensor, and the relationship between the infrared light intensity i and the impurity thickness d is I=I0e -ad (I0 is the initial light intensity, a is a constant) to determine the impurity thickness d;

[0009] According to the light intensity I detected by the infrared sensor, the formula Calculate the impurity concentration C;

[0010] The exponential function of the cleaning efficiency of the cleaning brush and the speed n of the motor is E=E0emn (E0 is the initial cleaning efficiency, m is a constant).

[0011] Preferably, according to the impurity concentration and the cleaning efficiency E of the cleaning brush, the formula Calculate the cleanup time t.

[0012] Preferably, a socket is provided at one end of the air inlet of the filter box, a collection box is inserted in the socket, and the collection box is located below the cleaning brush; after the impurities on the mesh plate are cleaned by the cleaning brush, they will fall into the collection box and be collected, and the collection box can be regularly pulled out of the socket to pour out the impurities.

[0013] Preferably, a pair of cleaning rods are provided on the inner wall of one side of the collection box close to the mesh plate, and the two cleaning rods are respectively connected to the collection box through a rotating shaft, the two cleaning rods are distributed in an eight-shape, and an elastic connection is formed between the cleaning rods and the collection box; when the cleaning brush moves downward to contact the top of the cleaning rod, the cleaning rod will rotate to both sides respectively due to the downward pressure of the cleaning brush, and at this time, the top of the cleaning rod will move along the lower edge of the cleaning brush, so that impurities accumulated on the lower edge of the cleaning brush can be cleaned up by the top of the cleaning rod, thereby cleaning the cleaning brush.

[0014] Preferably, a slide rail is fixed to the inner wall of the collection box, a slider is slidably connected in the slide rail, a connecting rod is rotatably connected to the top of the slider, the other end of the connecting rod is rotatably connected to the cleaning rod, a spring is fixed to one end of the slider, and the other end of the spring is fixedly connected to the inner wall of the slide rail; when the cleaning rod rotates to both sides, the slider will be pushed outward along the slide rail through the connecting rod, and the slider will squeeze the spring, and when the cleaning brush moves upward to return to its original position, the spring will return the cleaning rod to its initial position through elastic force.

[0015] Preferably, the top of the cleaning rod is an arc-shaped structure, and a groove is provided at the top of the cleaning rod; in this way, the top of the cleaning rod will make smooth contact with the bristles of the cleaning brush through the arc-shaped structure, thereby avoiding squeezing or deformation of the bristles. By setting the groove, the top of the cleaning rod forms a hook-shaped structure, which can better clean up impurities.

[0016] Preferably, a water pump is fixed on the top of the sedimentation tank, the air outlet end of the water pump is connected to a water pipe, the other end of the water pipe extends into the interior of the sedimentation tank and is connected to an atomizing nozzle, and an arc-shaped baffle is fixed to the top inner wall of the sedimentation tank; the water pump is connected to a water source, so that the water pump can draw water from the water pipe into the atomizing nozzle and spray it into the sedimentation tank, thereby settling the exhaust gas. By setting the baffle, the time that the exhaust gas stays under the atomizing nozzle can be extended, thereby improving the sedimentation efficiency.

[0017] Preferably, an ultraviolet lamp for disinfection is fixed on the inner wall of the top of the disinfection box; in this way, when the waste gas enters the disinfection box, the ultraviolet lamp can disinfect the waste gas.

[0018] Compared with the prior art, the present invention provides an exhaust gas treatment device for coating machinery and equipment, which has the following beneficial effects:

[0019] 1. An exhaust gas treatment device for coating machinery and equipment can timely clean impurities on the filter plate through an intelligent cleaning mechanism, thereby avoiding the influence of impurity accumulation on the filtering performance. The efficient cleaning method of the electric brush and the coordinated work with the sensor enable the filter plate to always maintain a good filtering state, thereby improving the filtering efficiency. For example, in actual applications, parameters such as the rotation speed of the electric brush and the contact area between the brush body and the filter plate can be adjusted according to the actual situation of the filter plate, thereby achieving efficient cleaning of the filter plate.

[0020] 2. An exhaust gas treatment device for coating machinery and equipment, the sensor module monitors the thickness of impurities in real time and provides accurate information for the cleaning mechanism. The controller module accurately controls the cleaning action of the electric brush based on the information fed back by the sensor to ensure the best cleaning effect. For example, by adjusting the speed of the brush body, the cleaning effect is more ideal.

[0021] 3. An exhaust gas treatment device for a coating mechanical equipment is provided with a cleaning rod. When the cleaning brush moves downward to contact the top of the cleaning rod, the cleaning rod will rotate to both sides due to the downward pressure of the cleaning brush. At this time, the top of the cleaning rod will move along the lower edge of the cleaning brush, so that impurities accumulated on the lower edge of the cleaning brush can be cleaned up by the top of the cleaning rod, thereby cleaning the cleaning brush.

[0022] 4. An exhaust gas treatment device for coating mechanical equipment, by setting a groove, the top of the cleaning rod will smoothly contact the bristles of the cleaning brush through the arc structure, thereby avoiding squeezing or deformation of the bristles. The setting of the groove makes the top of the cleaning rod form a hook-shaped structure, which can better clean up impurities. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of an exhaust gas treatment device for coating machinery and equipment proposed by the present invention;

[0024] Figure 2 A schematic diagram of the internal structure of an exhaust gas treatment device for a coating machine proposed by the present invention;

[0025] Figure 3 A schematic diagram of the internal structure of a filter box of an exhaust gas treatment device for a coating machine proposed by the present invention;

[0026] Figure 4A schematic diagram of the structure of a cleaning mechanism of an exhaust gas treatment device for a coating machine equipment proposed by the present invention;

[0027] Figure 5 This is a schematic diagram of an exhaust gas treatment device for coating machinery and equipment proposed by the present invention;

[0028] Figure 6 A schematic diagram of the cleaning rod structure of an exhaust gas treatment device for a coating machine proposed by the present invention;

[0029] Figure 7 This is a schematic diagram of the internal structure of a sedimentation tank and a disinfection tank of an exhaust gas treatment device for coating mechanical equipment proposed by the present invention.

[0030] In the figure: 1. bottom plate; 2. filter box; 3. sedimentation box; 4. disinfection box; 5. connecting pipe; 6. mesh plate; 7. detection module; 8. control module; 9. cleaning brush; 10. reciprocating screw; 11. synchronous wheel; 12. synchronous belt; 13. mounting seat; 14. motor; 15. socket; 16. collection box; 17. cleaning rod; 18. slide rail; 19. slider; 20. spring; 21. connecting rod; 22. groove; 23. water pump; 24. water pipe; 25. atomizing nozzle; 26. ultraviolet lamp; 27. baffle. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0032] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0033] Reference Figure 1-Figure 7 , an exhaust gas treatment device for coating machinery and equipment, comprising a bottom plate 1, a filter box 2, a sedimentation box 3 and a disinfection box 4 are fixed on the top of the bottom plate 1, an air inlet pipe and an air outlet pipe are respectively arranged at both ends of the filter box 2, the sedimentation box 3 and the disinfection box 4, the filter box 2 and the sedimentation box 3 as well as the sedimentation box 3 and the disinfection box 4 are respectively connected by connecting pipes 5, the filter box 2, the sedimentation box 3 and the disinfection box 4 are respectively used for filtering, sedimentation and disinfection of the exhaust gas, a mesh plate 6 is fixed inside the filter box 2, a detection module 7 is fixed on the inner wall of one end of the filter box 2 for air inlet, a control module 8 is fixed on the top of the filter box 2, and a cleaning mechanism is also arranged inside the filter box 2;

[0034] A detection module 7, used to detect the thickness of impurities on the stencil 6;

[0035] The control module 8 is used to receive the signal sent by the detection module 7, and includes a microprocessor and a control circuit; the microprocessor analyzes and processes the data collected by the detection module 7, determines whether the impurities on the screen 6 meet the cleaning conditions, and the control circuit controls the cleaning mechanism to operate according to the instructions of the microprocessor;

[0036] The cleaning mechanism is an electric brush, which drives the cleaning brush 9 through the motor 14 to brush the surface of the screen 6 to clean impurities;

[0037] It should be noted that when the exhaust gas is introduced from the air inlet pipe of the filter box 2, the exhaust gas will pass through the filter box 2, the sedimentation box 3 and the disinfection box 4 in sequence for filtration, sedimentation and disinfection, and finally be discharged from the air outlet end of the disinfection box 4. During this period, the detection module 7 will detect the thickness of impurities on the mesh plate 6 in real time, and the control module 8 will receive the signal sent by the detection module 7, analyze and process the data collected by the detection module 7, and determine whether the impurities on the mesh plate 6 meet the cleaning conditions. When the cleaning conditions are met, the cleaning mechanism is controlled to operate, and then the electric brush will drive the cleaning brush 9 through the motor 14 to brush the surface of the mesh plate 6 to clean the impurities.

[0038] Furthermore, the electric brush also includes a pair of reciprocating screws 10, the reciprocating screws 10 pass through the top of the filter box 2 and are rotatably connected to the filter box 2, the cleaning brush 9 is sleeved on the two reciprocating screws 10 and forms a transmission connection between the reciprocating screws 10, the two reciprocating screws 10 are respectively fixedly sleeved with synchronous wheels 11, the two synchronous wheels 11 are connected by a synchronous belt 12, a mounting seat 13 is fixed on the top of the filter box 2, a motor 14 is fixed on the mounting seat 13, and the output shaft of the motor 14 is fixedly connected to the end of one of the reciprocating screws 10;

[0039] It should be noted that after the motor 14 is started, the output shaft of the motor 14 will drive one of the synchronous wheels 11 to rotate, and then through the transmission cooperation between the synchronous wheel 11 and the synchronous belt 12, the two reciprocating screws 10 will be driven to rotate synchronously, and then the reciprocating screw 10 will drive the cleaning brush 9 to move up and down to clean the impurities on the mesh plate 6.

[0040] Furthermore, the detection module 7 uses an infrared sensor, and the relationship between the infrared light intensity i and the impurity thickness d is I=I0e -ad (I0 is the initial light intensity, a is a constant) to determine the impurity thickness d;

[0041] According to the light intensity I detected by the infrared sensor, the formula Calculate the impurity concentration C;

[0042] The exponential function of the cleaning efficiency of the cleaning brush 9 and the speed n of the motor 14 is E=E0e mn (E0 is the initial cleaning efficiency, m is a constant).

[0043] Further, according to the impurity concentration and the cleaning efficiency E of the cleaning brush 9, the formula Calculate the cleanup time t.

[0044] Furthermore, a socket 15 is provided at one end of the air inlet of the filter box 2, and a collection box 16 is inserted into the socket 15. The collection box 16 is located below the cleaning brush 9;

[0045] It should be noted that, after the impurities on the screen plate 6 are cleaned by the cleaning brush 9, they will fall into the collection box 16 and be collected. The collection box 16 can be regularly pulled out from the socket 15 to pour out the impurities.

[0046] Furthermore, a pair of cleaning rods 17 are provided on the inner wall of one side of the collection box 16 close to the mesh plate 6. The two cleaning rods 17 are connected to the collection box 16 through a rotating shaft, and the two cleaning rods 17 are distributed in an eight-shaped shape, and an elastic connection is formed between the cleaning rods 17 and the collection box 16;

[0047] It should be noted that when the cleaning brush 9 moves downward and contacts the top end of the cleaning rod 17, the cleaning rod 17 will rotate to both sides due to the downward pressure of the cleaning brush 9. At this time, the top end of the cleaning rod 17 will move along the lower edge of the cleaning brush 9, so that the impurities accumulated on the lower edge of the cleaning brush 9 can be cleaned up by the top end of the cleaning rod 17, thereby cleaning the cleaning brush 9.

[0048] Furthermore, a slide rail 18 is fixed to the inner wall of the collection box 16, a slider 19 is slidably connected in the slide rail 18, a connecting rod 21 is rotatably connected to the top of the slider 19, the other end of the connecting rod 21 is rotatably connected to the cleaning rod 17, a spring 20 is fixed to one end of the slider 19, and the other end of the spring 20 is fixedly connected to the inner wall of the slide rail 18;

[0049] It should be noted that when the cleaning rod 17 rotates to both sides, the slider 19 will be pushed outward along the slide rail 18 through the connecting rod 21, and the slider 19 will squeeze the spring 20. When the cleaning brush 9 returns to its original position, the spring 20 will return the cleaning rod 17 to its initial position through elastic force.

[0050] Furthermore, the top of the cleaning rod 17 is an arc-shaped structure, and a groove 22 is formed at the top of the cleaning rod 17;

[0051] It should be noted that the top of the cleaning rod 17 will be in smooth contact with the bristles of the cleaning brush 9 through the arc structure, thereby avoiding squeezing or deformation of the bristles. The groove 22 is set to form a hook-shaped structure at the top of the cleaning rod 17, which can better clean up impurities.

[0052] Furthermore, a water pump 23 is fixed on the top of the sedimentation tank 3, and a water pipe 24 is connected to the air outlet of the water pump 23. The other end of the water pipe 24 extends into the interior of the sedimentation tank 3 and is connected to an atomizing nozzle 25. An arc-shaped baffle 27 is fixed to the top inner wall of the sedimentation tank 3.

[0053] It should be noted that the water pump 23 is connected to a water source, so that the water pump 23 can pump water from the water pipe 24 into the atomizing nozzle 25 and spray it into the sedimentation box 3, thereby settling the exhaust gas. By setting the baffle 27, the time that the exhaust gas stays under the atomizing nozzle 25 can be extended, thereby improving the sedimentation efficiency.

[0054] Furthermore, an ultraviolet lamp 26 for disinfection is fixed to the inner wall of the top of the disinfection box 4;

[0055] It should be noted that, when the waste gas enters the disinfection box 4, the ultraviolet lamp 26 can disinfect the waste gas.

[0056] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An exhaust gas treatment device for a coating machine, comprising a bottom plate (1), characterized in that: A filter box (2), a sedimentation box (3) and a disinfection box (4) are fixed on the top of the bottom plate (1); an air inlet pipe and an air outlet pipe are respectively provided at both ends of the filter box (2), the sedimentation box (3) and the disinfection box (4); the filter box (2) and the sedimentation box (3) and the disinfection box (4) are respectively connected via a connecting pipe (5); the filter box (2), the sedimentation box (3) and the disinfection box (4) are respectively used to filter, sediment and disinfect the waste gas; a mesh plate (6) is fixed inside the filter box (2); a detection module (7) is fixed on the inner wall of one air inlet end of the filter box (2); a control module (8) is fixed on the top of the filter box (2); and a cleaning mechanism is also provided inside the filter box (2); A detection module (7) for detecting the thickness of impurities on the screen (6); A control module (8) is used to receive signals sent by the detection module (7), and comprises a microprocessor and a control circuit; the microprocessor analyzes and processes the data collected by the detection module (7), determines whether the impurities on the screen (6) meet the cleaning conditions, and the control circuit controls the action of the cleaning mechanism according to the instructions of the microprocessor; The cleaning mechanism is an electric brush, which drives a cleaning brush (9) through a motor (14) to brush the surface of the screen plate (6) to clean impurities.

2. The exhaust gas treatment device for coating machinery and equipment according to claim 1 is characterized in that: The electric brush further comprises a pair of reciprocating screws (10), the reciprocating screws (10) passing through the top of the filter box (2) and being rotatably connected to the filter box (2), the cleaning brush (9) being sleeved on the two reciprocating screws (10) and being transmission-connected with the reciprocating screws (10), the two reciprocating screws (10) being respectively sleeved with synchronous wheels (11), the two synchronous wheels (11) being connected via a synchronous belt (12), a mounting seat (13) being fixed on the top of the filter box (2), a motor (14) being fixed on the mounting seat (13), and an output shaft of the motor (14) being fixedly connected to an end of one of the reciprocating screws (10).

3. The exhaust gas treatment device for coating machinery and equipment according to claim 2 is characterized in that: The detection module (7) uses an infrared sensor, and the relationship between the infrared light intensity i and the impurity thickness d is I=I0e -ad (I0 is the initial light intensity, a is a constant) to determine the impurity thickness d; According to the light intensity I detected by the infrared sensor, the formula Calculate the impurity concentration C; The exponential function of the cleaning efficiency of the cleaning brush (9) and the speed n of the motor (14) is E=E0e mn (E0 is the initial cleaning efficiency, m is a constant).

4. The exhaust gas treatment device of a coating machine according to claim 3 is characterized in that: According to the impurity concentration and the cleaning efficiency E of the cleaning brush (9), the formula Calculate the cleanup time t.

5. The exhaust gas treatment device of a coating machine according to claim 2, characterized in that: An inlet port (15) is provided at one air inlet end of the filter box (2), a collecting box (16) is inserted into the inlet port (15), and the collecting box (16) is located below the cleaning brush (9).

6. The exhaust gas treatment device of a coating machine according to claim 5, characterized in that: A pair of cleaning rods (17) are arranged on the inner wall of one side of the collecting box (16) close to the mesh plate (6); the two cleaning rods (17) are respectively connected to the collecting box (16) via rotating shafts; the two cleaning rods (17) are distributed in an eight-shaped pattern, and an elastic connection is formed between the cleaning rods (17) and the collecting box (16).

7. The exhaust gas treatment device of a coating machine according to claim 6, characterized in that: A slide rail (18) is fixed to the inner wall of the collection box (16), a slider (19) is slidably connected inside the slide rail (18), a connecting rod (21) is rotatably connected to the top of the slider (19), the other end of the connecting rod (21) is rotatably connected to the cleaning rod (17), a spring (20) is fixed to one end of the slider (19), and the other end of the spring (20) is fixedly connected to the inner wall of the slide rail (18).

8. The exhaust gas treatment device of a coating machine according to claim 6, characterized in that: The top end of the cleaning rod (17) is an arc-shaped structure, and a groove (22) is formed at the top end of the cleaning rod (17).

9. The exhaust gas treatment device of a coating machine according to claim 1, characterized in that: A water pump (23) is fixed on the top of the sedimentation box (3), the air outlet end of the water pump (23) is connected to a water pipe (24), the other end of the water pipe (24) extends into the interior of the sedimentation box (3) and is connected to an atomizing nozzle (25), and an arc-shaped baffle (27) is fixed on the top inner wall of the sedimentation box (3).

10. The exhaust gas treatment device for coating machinery and equipment according to claim 1, characterized in that: An ultraviolet lamp (26) for disinfection is fixed on the inner wall of the top of the disinfection box (4).

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