Waste gas treatment device for spray booth of coating workshop

Abstract

The utility model discloses a coating workshop spray booth waste gas treatment device, which relates to the field of spray booth waste gas treatment and comprises a device main body, and a dehumidification component is arranged at the top of the device main body. Through the arrangement of the dehumidification assembly, when waste gas and reaction liquid are subjected to reaction treatment, the waste gas flows upwards, at the moment, gas enters the dehumidification box through the gas guide pipe, and when the gas passes through the dehumidification sponge block, the dehumidification sponge block can absorb moisture in the gas, so that the moisture is prevented from being brought out by the gas and is prevented from being inhaled by surrounding personnel; when moisture absorbed by the dehumidification sponge block needs to be squeezed out, an electric push rod can be started, a piston rod drives a movable seat to move downwards, the movable seat can push a push plate to rotate after moving downwards, the push plate can push an extrusion net frame to move, and the extrusion net frame extrudes the dehumidification sponge block; therefore, reaction liquid formed after absorption of the dehumidification sponge block can drop downwards and flow into the water guide channel through the water guide hole.

Description

Technical Field

[0001] The utility model relates to the field of waste gas treatment in a paint spraying room, in particular to a waste gas treatment device in a paint spraying room of a coating workshop. Background Art

[0002] During the work in the paint workshop, paint waste gas will be generated. These paint waste gases contain a large amount of particulate matter, acidic substances such as resin sticky substances and some organic gases. It is required to strictly control the emission and energy utilization of such waste gas. Therefore, it is necessary to set up a waste gas treatment device so that the waste gas can enter the waste gas treatment device for treatment before being discharged.

[0003] According to the Chinese patent publication number CN217855310U, a waste gas treatment device for a paint spray booth in a painting workshop is disclosed. The utility model can reduce the waste gas remaining in the corners of the painting workshop, improve the waste gas purification treatment effect, and has strong practicality and market application prospects.

[0004] With respect to the above-disclosed patent content, a reaction liquid is provided so that the exhaust gas can be filled into the reaction liquid, so that the harmful substances in the exhaust gas can fully react with the reaction liquid and then the exhaust gas can be treated. However, after the exhaust gas is treated, the gas will become humid and will be mixed with some reaction liquid and discharged through the exhaust pipe. Since it is difficult to dehumidify the gas, the gas mixed with the reaction liquid is directly discharged, which may cause pollution to the external environment and cause waste of the reaction liquid. Utility Model Content

[0005] Based on this, the purpose of the utility model is to provide a waste gas treatment device for a paint spraying room in a coating workshop to solve the technical problem that after harmful substances in the gas react with the reaction liquid, the gas will be mixed with a small amount of reaction liquid and discharged through the exhaust pipe, thereby causing waste of reaction liquid.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an exhaust gas treatment device for a paint spraying room in a coating workshop, comprising a device body, a dehumidification component is provided on the top of the device body, and the dehumidification component comprises a dehumidification box arranged on the top of the device body, a slide groove is provided on the upper part of the interior of the dehumidification box, and a slider is provided on the inside of the slide groove, an extrusion mesh frame is installed on the bottom of the slider, an electric push rod is installed on the top of the dehumidification box, and a movable seat is installed on the bottom of the electric push rod through a piston rod, a push plate is connected between the movable seat and the extrusion mesh frame through a rotating shaft, a water guide channel and a plurality of water guide holes are also provided on the lower part of the interior of the dehumidification box, and a dehumidification sponge block is placed on one side of the interior of the dehumidification box.

[0007] By adopting the above technical solution, when the movable seat moves downward, it will push the push plate to rotate, and the push plate will push the extrusion screen frame to move, so that the extrusion screen frame squeezes the dehumidification sponge block.

[0008] Furthermore, the bottom of the dehumidification box is connected to a liquid outlet pipe extending to the interior of the device body, and a solenoid valve is installed on the liquid outlet pipe.

[0009] By adopting the above technical solution, when the liquid in the water channel needs to be discharged into the device body, the solenoid valve can be opened to allow the liquid to flow into the liquid outlet pipe and then into the device body through the liquid outlet pipe.

[0010] Furthermore, a guide rod is installed inside the dehumidification box, and the guide rod passes through the movable seat.

[0011] By adopting the above technical solution, the guide rod can guide the movable seat so as to improve the stability of the movable seat when moving.

[0012] Furthermore, one side of the extrusion screen frame is in contact with the dehumidification sponge block, and the extrusion screen frame is slidably connected to the slide groove via a slider.

[0013] By adopting the above technical solution, the dehumidifying sponge block can be squeezed when the squeezing screen frame moves, so that the water vapor absorbed by the dehumidifying sponge block can drip downwards.

[0014] Furthermore, an air pump is installed on one side of the device body, the air inlet end of the air pump is connected to an air extraction pipe, the end of the air extraction pipe is installed with an air extraction hood, and the air outlet end of the air pump is connected to an air supply pipe extending to the inside of the device body.

[0015] By adopting the above technical solution, when the device is working, the vacuum pump can be started, and the vacuum pump can extract external exhaust gas through the exhaust pipe and the exhaust hood, so that the exhaust gas enters the interior of the device body through the air supply pipe.

[0016] Furthermore, a liquid inlet pipe is connected to the upper part of the other side of the device body, and a liquid inlet valve is installed on the liquid inlet pipe.

[0017] By adopting the above technical solution, the liquid inlet pipe is arranged so that the reaction liquid can enter the interior of the device body, and after the liquid inlet valve is closed, the gas inside the device body can be prevented from being discharged through the liquid inlet pipe.

[0018] Furthermore, an air duct is connected between the dehumidification box and the device body, and a drain pipe is connected below the other side of the device body.

[0019] By adopting the above technical solution, the waste gas can enter the dehumidification box through the air duct after reaction treatment, and be discharged after being dehumidified in the dehumidification box.

[0020] Furthermore, an exhaust pipe is connected to one side of the dehumidification box, and an exhaust hopper is installed at the top of the exhaust pipe.

[0021] By adopting the above technical solution, when the exhaust gas enters the dehumidification box and is dehumidified, the air can enter the exhaust hopper through the exhaust pipe and then be discharged through the exhaust hopper.

[0022] Furthermore, a filter screen is provided on the exhaust hopper, and the filter screen is detachably connected to the exhaust hopper.

[0023] By adopting the above technical solution, the filter screen can filter the exhausted air, thereby improving the waste gas treatment efficiency.

[0024] Furthermore, the dehumidification assembly also includes a sealing plate installed on one side of the outer surface of the dehumidification box by bolts, and the size of the sealing plate is larger than the size of the dehumidification sponge block.

[0025] By adopting the above technical solution, the sealing plate can be set to seal the dehumidification box. When the dehumidification sponge block needs to be replaced, the dehumidification sponge block can be taken out and replaced by simply removing the sealing plate.

[0026] In summary, the utility model mainly has the following beneficial effects:

[0027] The utility model is provided with a dehumidification component, when the exhaust gas reacts with the reaction liquid and is treated, it will flow upward, at this time the gas will enter the dehumidification box through the air guide pipe, and when passing through the dehumidification sponge block, the dehumidification sponge block can absorb the moisture in the gas, thereby preventing the gas from bringing out the moisture and preventing it from being inhaled by the surrounding personnel, so that the discharged gas is relatively dry, and when the moisture absorbed by the dehumidification sponge block needs to be squeezed out, the electric push rod can be started, so that the piston rod drives the movable seat to move downward, and after the movable seat moves downward, it will push the push plate to rotate, and the push plate will push the extrusion mesh frame to move, so that the extrusion mesh frame squeezes the dehumidification sponge block, so that the reaction liquid formed after the dehumidification sponge block absorbs can drip downward, and flow into the water guide channel through the water guide hole, and then flow back to the inside of the device body through the liquid outlet pipe, thereby avoiding the waste of reaction liquid, so that the dehumidification sponge block can continue to absorb moisture later, thereby improving the service life of the dehumidification sponge block, and there is no need to frequently replace the dehumidification sponge block. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0029] Figure 2 It is a schematic diagram of the overall front section structure of the utility model;

[0030] Figure 3 This is a schematic diagram of the partial structure of the dehumidification box section of the utility model;

[0031] Figure 4 This is a schematic diagram of the three-dimensional structure of the dehumidifying sponge block of the utility model;

[0032] Figure 5 For the utility model Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0033] In the figure: 1. device body; 2. vacuum pump; 3. vacuum pipe; 4. vacuum hood; 5. air supply pipe; 6. exhaust pipe; 7. exhaust bucket; 8. liquid inlet pipe; 9. dehumidification component; 901. dehumidification box; 902. slide; 903. electric push rod; 904. movable seat; 905. push plate; 906. guide rod; 907. water guide channel; 908. water guide hole; 909. slider; 910. extrusion mesh frame; 911. dehumidification sponge block; 912. liquid outlet pipe; 913. solenoid valve; 914. sealing plate; 10. drain pipe; 11. filter screen; 12. air guide pipe. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0035] The following describes an embodiment of the utility model based on its overall structure.

[0036] Embodiment 1:

[0037] Paint shop spray booth exhaust gas treatment device, such as Figure 1-Figure 5 As shown, it includes a device body 1, a dehumidification component 9 is provided on the top of the device body 1, an exhaust fan 2 is installed on one side of the device body 1, the air inlet end of the exhaust fan 2 is connected to an exhaust pipe 3, an exhaust hood 4 is installed on the end of the exhaust pipe 3, and the air outlet end of the exhaust fan 2 is connected to an air supply pipe 5 extending to the inside of the device body 1. When the device is working, the exhaust fan 2 can be started, and the exhaust fan 2 can extract external exhaust gas through the exhaust pipe 3 and the exhaust hood 4, so that the exhaust gas enters the inside of the device body 1 through the air supply pipe 5, and the other side of the device body 1 is connected to the top with a liquid inlet pipe 8, and a liquid inlet valve is installed on the liquid inlet pipe 8. The liquid inlet pipe 8 is arranged so that the reaction liquid can enter the inside of the device body 1, and the liquid inlet valve can prevent the gas inside the device body 1 from being discharged through the liquid inlet pipe 8 after closing.

[0038] See also Figure 1-Figure 4An air duct 12 is connected between the dehumidification box 901 and the device body 1, so that the exhaust gas can enter the dehumidification box 901 through the air duct 12 after the reaction treatment, and be discharged after being dehumidified by the dehumidification box 901. A drain pipe 10 is connected to the bottom of the other side of the device body 1, and a drain valve is installed on the drain pipe 10. At the same time, the setting of the drain pipe 10 is convenient for discharging the reaction liquid inside the device body 1 so as to replace the reaction liquid. An exhaust pipe 6 is connected to one side of the dehumidification box 901, and an exhaust bucket 7 is installed at the top of the exhaust pipe 6. When the exhaust gas enters the dehumidification box 901 and is dehumidified, the air can enter the exhaust bucket 7 through the exhaust pipe 6, and then be discharged through the exhaust bucket 7.

[0039] Specifically, the dehumidification component 9 includes a dehumidification box 901 disposed on the top of the device body 1, a slide groove 902 is provided on the top of the dehumidification box 901, and a slider 909 is provided inside the slide groove 902, and an extrusion mesh frame 910 is installed at the bottom of the slider 909, an electric push rod 903 is installed on the top of the dehumidification box 901, and a movable seat 904 is installed at the bottom of the electric push rod 903 through a piston rod. When the movable seat 904 moves down, it will push the push plate 905 to rotate, and the push plate 905 will push The squeezing screen frame 910 moves so that the squeezing screen frame 910 squeezes the dehumidification sponge block 911. A push plate 905 is connected between the movable seat 904 and the squeezing screen frame 910 through a rotating shaft. A water guide channel 907 and a plurality of water guide holes 908 are also provided at the lower part of the dehumidification box 901. The water guide channel 907 is respectively connected to the water guide holes 908 and the liquid outlet pipe 912, so that the liquid can flow into the water guide channel 907 through the water guide holes 908, and then flow into the liquid outlet pipe 912.

[0040] Specifically, a dehumidification sponge block 911 is placed on one side of the interior of the dehumidification box 901, and a liquid outlet pipe 912 extending to the interior of the device body 1 is connected to the bottom of the dehumidification box 901, and a solenoid valve 913 is installed on the liquid outlet pipe 912. When the liquid in the water guide channel 907 needs to be discharged into the interior of the device body 1, the solenoid valve 913 can be opened to allow the liquid to flow into the liquid outlet pipe 912, and then flow into the interior of the device body 1 through the liquid outlet pipe 912. One side of the extrusion frame 910 is in contact with the dehumidification sponge block 911. When the extrusion frame 910 moves, the dehumidification sponge block 911 can be squeezed so that the water vapor absorbed by the dehumidification sponge block 911 can drip downwards. The extrusion frame 910 is slidably connected to the slide groove 902 through the slider 909, and when the extrusion frame 910 moves, it will drive the slider 909 to slide inside the slide groove 902, thereby improving the stability of the extrusion frame 910 when it moves.

[0041] Embodiment 2:

[0042] On the basis of the above-mentioned first embodiment, since the movable seat 904 can move up and down, in order to improve the stability of the movable seat 904 during movement, it needs to be guided, so the following structure is provided.

[0043] See also Figure 2-Figure 4 A guide rod 906 is installed inside the dehumidification box 901. The guide rod 906 passes through the movable seat 904. The movable seat 904 is slidably connected to the guide rod 906. The guide rod 906 can guide the movable seat 904 to improve the stability of the movable seat 904 when moving.

[0044] Embodiment three:

[0045] On the basis of the above-mentioned embodiment 1, in order to improve the treatment effect of the exhaust gas, the following structure is set.

[0046] See also Figure 1-Figure 3 A filter screen 11 is provided on the exhaust hopper 7, and the filter screen 11 is detachably connected to the exhaust hopper 7.

[0047] Embodiment 4:

[0048] On the basis of the above-mentioned first embodiment, since the moisture absorption performance of the dehumidification sponge block 911 will be reduced after long-term use, the dehumidification sponge block 911 needs to be replaced, so the following structure is set.

[0049] See also Figure 1-Figure 3 The dehumidification component 9 also includes a sealing plate 914 installed on one side of the outer surface of the dehumidification box 901 by bolts. The size of the sealing plate 914 is larger than the size of the dehumidification sponge block 911. The setting of the sealing plate 914 can seal the dehumidification box 901. At the same time, when the dehumidification sponge block 911 needs to be replaced, the dehumidification sponge block 911 can be taken out and replaced by simply removing the sealing plate 914.

[0050] The working principle of the utility model is as follows: first, the staff can install the device and connect the power supply. When the device needs to be used, the liquid inlet valve can be opened first, and the reaction liquid can be added into the device body 1 through the liquid inlet pipe 8. After the addition is completed, the liquid inlet valve is closed, and then the vacuum pump 2 is started. The vacuum pump 2 can extract the external exhaust gas through the exhaust pipe 3 and the exhaust hood 4, so that the exhaust gas enters the device body 1 through the air pipe 5, so that the harmful substances in the exhaust gas can contact and react with the reaction liquid, so as to achieve the purpose of treating the harmful substances, and the treated exhaust gas flows upward and enters the dehumidification box 901 through the air guide pipe 12, enters the exhaust pipe 6 after the moisture absorption treatment of the dehumidification sponge block 911, and is discharged after being filtered by the filter screen 11 on the exhaust bucket 7;

[0051] When it is necessary to squeeze out the moisture absorbed by the dehumidification sponge block 911, the electric push rod 903 can be started, so that the piston rod drives the movable seat 904 to move downward. After the movable seat 904 moves downward, it will push the push plate 905 to rotate, and the push plate 905 will push the extrusion frame 910 to move, so that the extrusion frame 910 squeezes the dehumidification sponge block 911, so that the reaction liquid formed after the dehumidification sponge block 911 absorbs can drip downward and flow into the water guide channel 907 through the water guide hole 908, and then the solenoid valve 913 is opened to allow the reaction liquid to flow back to the inside of the device body 1 through the liquid outlet pipe 912, thereby avoiding waste of the reaction liquid.

[0052] Although an embodiment of the utility model has been shown and described, this specific embodiment is only an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contribution as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. A paint spray room exhaust gas treatment device in a paint shop, comprising a device body (1), characterized in that: A dehumidification component (9) is provided on the top of the device body (1), and the dehumidification component (9) includes a dehumidification box (901) provided on the top of the device body (1), a slide groove (902) is provided on the top of the dehumidification box (901), and a slider (909) is provided inside the slide groove (902), and an extrusion frame (910) is installed at the bottom of the slider (909), an electric push rod (903) is installed on the top of the dehumidification box (901), and a movable seat (904) is installed at the bottom of the electric push rod (903) through a piston rod, and a push plate (905) is connected between the movable seat (904) and the extrusion frame (910) through a rotating shaft, and a water guide channel (907) and a plurality of water guide holes (908) are also provided on the bottom of the dehumidification box (901), and a dehumidification sponge block (911) is placed on one side of the interior of the dehumidification box (901).

2. The exhaust gas treatment device for a paint spraying room in a paint shop according to claim 1 is characterized in that: The bottom of the dehumidification box (901) is connected to a liquid outlet pipe (912) extending to the inside of the device body (1), and a solenoid valve (913) is installed on the liquid outlet pipe (912).

3. The exhaust gas treatment device for a paint spraying room in a paint shop according to claim 1 is characterized in that: A guide rod (906) is installed inside the dehumidification box (901), and the guide rod (906) passes through the movable seat (904).

4. The exhaust gas treatment device for a paint spraying room in a paint shop according to claim 1 is characterized in that: One side of the extrusion mesh frame (910) is in contact with the dehumidifying sponge block (911), and the extrusion mesh frame (910) is slidably connected to the slide groove (902) via a slider (909).

5. The exhaust gas treatment device for a paint spraying room in a paint shop according to claim 1 is characterized in that: An air extractor (2) is installed on one side of the device body (1); an air inlet end of the air extractor (2) is connected to an air extraction pipe (3); an air extraction hood (4) is installed at the end of the air extraction pipe (3); and an air outlet end of the air extractor (2) is connected to an air supply pipe (5) extending into the interior of the device body (1).

6. The exhaust gas treatment device for a paint spraying room in a paint shop according to claim 1 is characterized in that: A liquid inlet pipe (8) is connected to the upper part of the other side of the device body (1), and a liquid inlet valve is installed on the liquid inlet pipe (8).

7. The exhaust gas treatment device for a paint spraying room in a paint shop according to claim 1 is characterized in that: An air guide pipe (12) is connected between the dehumidification box (901) and the device body (1), and a liquid drain pipe (10) is connected to the lower side of the other side of the device body (1).

8. The exhaust gas treatment device for a paint spray booth in a paint shop according to claim 1 is characterized in that: An exhaust pipe (6) is connected to one side of the dehumidification box (901), and an exhaust hopper (7) is installed at the top end of the exhaust pipe (6).

9. The exhaust gas treatment device for a paint spray booth in a paint shop according to claim 8 is characterized in that: The exhaust hopper (7) is provided with a filter screen (11), and the filter screen (11) is detachably connected to the exhaust hopper (7).

10. The exhaust gas treatment device for a paint spraying room in a paint shop according to claim 1 is characterized in that: The dehumidification assembly (9) further comprises a sealing plate (914) mounted on one side of the outer surface of the dehumidification box (901) by means of bolts, and the size of the sealing plate (914) is larger than the size of the dehumidification sponge block (911).

Images