RTO (Regenerative Thermal Oxidation) intercepting device for pretreatment of paint slag

Abstract

The utility model discloses an RTO intercepting device for paint slag pretreatment, which comprises an air inlet pipe, an air outlet pipe is arranged on the air inlet pipe, a first filter plate is arranged on the air inlet pipe, a plurality of first filter holes arranged in a linear array are formed in the first filter plate, a plurality of second filter plates arranged in a circumferential array are arranged in the air outlet pipe, and a plurality of second filter holes are formed in the second filter plate. A plurality of second filter holes arranged in a linear array are formed in the second filter plate, and the diameter of the second filter holes is smaller than that of the first filter holes. According to the RTO intercepting device for paint slag pretreatment, the gas inlet pipe is connected with the gas outlet equipment, gas is discharged through the gas outlet pipe, the gas is filtered in the first step through the first filter plate on the gas inlet pipe, the second part of the gas is filtered through the second filter plate, and the diameter of the first filter hole is larger than that of the second filter hole; therefore, particles with different sizes can be filtered.

Description

Technical Field

[0001] The utility model relates to the technical field of paint residue pretreatment, in particular to an RTO interception device for paint residue pretreatment. Background Art

[0002] Paint residue interception devices are mainly used in industrial production processes, especially in the painting process, to effectively intercept and treat waste paint and impurities to reduce environmental burden and resource waste. Such devices usually include multiple links such as filtration, separation, interception and storage to ensure that paint residue is effectively managed.

[0003] According to the publication (announcement) number: CN216936665U, the publication (announcement) date: 2022-07-12, a new type of paint residue processing device is disclosed, which includes a frame, a water pool and a storage grid partition. The water pool is arranged at the bottom of the frame, and the storage grid partition is installed on the water pool to form a sewage circulation chamber. The frame is provided with a waste residue collection trough at its bottom, and the waste residue collection trough is communicated with the sewage circulation chamber. A paint residue cleaning assembly is arranged in the waste residue collection trough, and the paint residue cleaning assembly includes a front rail, a rear rail, a paint residue collection rack and a lifting motor. The front rail and the rear rail are arranged on the inner wall of the waste residue collection trough front and back, and the paint residue collection rack is installed on the front rail and the rear rail by roller sliding. The lifting motor is installed with the paint residue collection rack through a lifting chain to drive it to slide up and down on the front rail and the rear rail.

[0004] It can be seen from the above-mentioned patents and prior art that waste residue needs to be heated when cleaning. After heating, smoke will fly out, but there will be some particles in the smoke. The particles need to be filtered before the smoke can be discharged. If the sieve holes of the filter plate are too large, small particles cannot be filtered. If the sieve holes of the filter plate are too small, it will affect the emission efficiency. Utility Model Content

[0005] The utility model aims to provide an RTO interception device for pre-treatment of paint residues, which can clean particles with different specifications.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an RTO interception device for paint residue pre-treatment, comprising an air inlet pipe, an air outlet pipe is arranged on the air inlet pipe, a first filter plate is arranged on the air inlet pipe, a plurality of first filter holes arranged in a linear array are provided on the first filter plate, a plurality of second filter plates arranged in a circular array are provided in the air outlet pipe, a plurality of second filter holes arranged in a linear array are provided on the second filter plate, and the diameter of the second filter holes is smaller than that of the first filter holes.

[0007] Preferably, a collecting box is provided at the bottom of the plurality of second filter plates, a third filter plate is provided on the collecting box in the direction of the air intake pipe, a plurality of third filter holes arranged in a linear array are provided on the third filter plate, a diameter of the third filter hole is larger than the first filter hole, and the third filter hole is smaller than the second filter hole.

[0008] Preferably, a plurality of the second filter plates are integrated on the collecting box, and the collecting box is square.

[0009] Preferably, a predetermined gap is left between the second filter plate and the air outlet pipe to form an air flow groove.

[0010] Preferably, a plate is provided on the air outlet pipe, and a plurality of communication holes arranged in a linear array are opened at the edge of the plate.

[0011] Preferably, the plate member is provided with a plurality of vertical plates arranged in a circumferential array, and the vertical plates are provided with a plurality of connecting plates arranged in a circumferential array, and each connecting plate corresponds to the plurality of connecting holes on one side.

[0012] Preferably, a cross plate is provided on the plate member, a driving shaft is provided at the bottom of the cross plate, and a plurality of fan blades arranged in a circular array are provided on the driving shaft.

[0013] In the above technical scheme, the utility model provides an RTO interception device for pre-treatment of paint residue, which has the following beneficial effects: the gas outlet equipment is connected through the air inlet pipe, the gas is discharged through the air outlet pipe, the first step of filtering the gas is achieved through the first filter plate on the air inlet pipe, and the second part of the gas is filtered through the second filter plate. The diameter of the first filter hole is larger than the diameter of the second filter hole, so particles of different sizes can be filtered. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings required for use are briefly introduced. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0015] Figure 1 The overall structural diagram provided for the embodiment of the utility model;

[0016] Figure 2 A schematic diagram of a cross-sectional structure provided for an embodiment of the utility model;

[0017] Figure 3 A schematic diagram of the internal structure of the air outlet pipe provided in an embodiment of the utility model.

[0018] Description of reference numerals:

[0019] 1. Inlet pipe; 10. Outlet pipe; 11. First filter plate; 12. First filter hole; 13. Vertical plate; 14. Connecting plate; 15. Air outlet tube; 16. Air outlet slot; 17. Second filter plate; 18. Second filter hole; 19. Air flow slot; 20. Plate; 201. Cross plate; 202. Drive shaft; 203. Fan blade; 21. Connecting hole; 3. Collecting box; 31. Third filter plate; 32. Third filter hole. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0021] like Figure 1-3 As shown, an RTO interception device for paint residue pre-treatment includes an air inlet pipe 1, an air outlet pipe 10 is arranged on the air inlet pipe 1, a first filter plate 11 is arranged on the air inlet pipe 1, a plurality of first filter holes 12 arranged in a linear array are opened on the first filter plate 11, a plurality of second filter plates 17 arranged in a circular array are arranged in the air outlet pipe 10, a plurality of second filter holes 18 arranged in a linear array are opened on the second filter plate 17, and the diameter of the second filter holes 18 is smaller than the first filter holes 12.

[0022] Specifically, when in use, the external air outlet is connected to the air inlet pipe 1, and then when the gas enters the air outlet pipe 10, it will be filtered in the first step by the first filter hole 12 on the air inlet pipe 1, and then the gas enters the air outlet pipe 10, and is filtered by the second filter plate 17 in the air outlet pipe 10. At the same time, finer particles will be filtered by the second filter hole 18 opened on the second filter plate 17, and the smoke will be filtered to the emission standard before being discharged.

[0023] In the above scheme, the gas outlet device is connected through the air inlet pipe 1, the gas is discharged through the air outlet pipe 10, the first step of filtering the gas is achieved through the first filter plate 11 on the air inlet pipe 1, and the second part of the gas is filtered through the second filter plate 17. The diameter of the first filter hole 12 is larger than the diameter of the second filter hole 18, so particles of different sizes can be filtered.

[0024] As an embodiment further provided by the present invention, according to Figure 1 , Figure 2 and Figure 3 As shown, a collecting box 3 is provided at the bottom of the multiple second filter plates 17, and a third filter plate 31 is provided on the collecting box 3 toward the air intake pipe 1. The third filter plate 31 is provided with multiple third filter holes 32 arranged in a linear array, and the diameter of the third filter hole 32 is larger than the first filter hole 12, and the third filter hole 32 is smaller than the second filter hole 18.

[0025] Specifically, when the gas enters the outlet pipe 10, it will be filtered by the first filter hole 12 on the inlet pipe 1 in the first step, and then when it enters the outlet pipe 10, it will be filtered by the third filter hole 32 on the third filter plate 31, and the smoke particles will be further filtered.

[0026] As an embodiment further provided by the present invention, according to Figure 2 As shown, a plurality of second filter plates 17 are integrated on the collecting box 3, and the collecting box 3 is square.

[0027] Furthermore, a predetermined gap is left between the second filter plate 17 and the air outlet pipe 10 to form an air flow groove 19 .

[0028] Furthermore, a plate 20 is disposed on the air outlet pipe 10 , and a plurality of communication holes 21 arranged in a linear array are formed at the edge of the plate 20 .

[0029] Furthermore, a plurality of vertical plates 13 arranged in a circumferential array are provided on the plate 20 , and a plurality of connecting plates 14 arranged in a circumferential array are provided on the vertical plates 13 , and each connecting plate 14 corresponds to a plurality of connecting holes 21 on one side.

[0030] Furthermore, a cross plate 201 is provided on the plate 20 , a driving shaft 202 is provided at the bottom of the cross plate 201 , and a plurality of fan blades 203 arranged in a circular array are provided on the driving shaft 202 .

[0031] Specifically, after the gas enters the collecting box 3, the driving shaft 202 on the plate 20 and installed on the cross plate 201 is opened, so that the driving shaft 202 drives the fan blades 203 to rotate, so that the smoke generates centrifugal force. When the smoke rotates, the remaining particles in the smoke will be thrown into the circulation groove 19 between the outlet pipe 10 and the vertical plate 13, and the remaining particles will fall into the collecting box 3. At the same time, the smoke entering the circulation groove 19 will enter the vertical plate 13 through the connecting hole 21, and enter the connecting plate 14, and finally enter the outlet groove 16 opened in the outlet tube 15 to discharge the gas.

[0032] Working principle: When in use, connect the external air outlet to the air inlet pipe 1, and then when the gas enters the air outlet pipe 10, it will be filtered by the first filter hole 12 on the air inlet pipe 1, and then the gas enters the air outlet pipe 10, and then is filtered by the second filter plate 17 in the air outlet pipe 10, and then when it enters the air outlet pipe 10, it will be filtered by the third filter hole 32 on the third filter plate 31, and then the smoke particles will be further filtered. When the gas enters the collection box 3, open the plate 20 and install The driving shaft 202 on the cross plate 201 drives the fan blades 203 to rotate, so that the smoke generates centrifugal force. When the smoke rotates, the remaining particles in the smoke will be thrown into the flow air groove 19 between the outlet pipe 10 and the vertical plate 13, and the remaining particles will fall into the collecting box 3. At the same time, the smoke entering the flow air groove 19 will enter the vertical plate 13 through the connecting hole 21, and enter the connecting plate 14, and finally enter the outlet groove 16 opened in the outlet tube 15 to discharge the gas.

[0033] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An RTO interception device for paint residue pretreatment, characterized in that: The invention comprises an air inlet pipe (1), wherein an air outlet pipe (10) is arranged on the air inlet pipe (1), wherein a first filter plate (11) is arranged on the air inlet pipe (1), wherein a plurality of first filter holes (12) arranged in a linear array are formed on the first filter plate (11), wherein a plurality of second filter plates (17) arranged in a circular array are formed in the air outlet pipe (10), wherein a plurality of second filter holes (18) arranged in a linear array are formed on the second filter plate (17), wherein the diameter of the second filter holes (18) is smaller than that of the first filter holes (12).

2. The RTO interception device for paint residue pretreatment according to claim 1 is characterized in that: A collecting box (3) is arranged at the bottom of the plurality of second filter plates (17); a third filter plate (31) is arranged on the collecting box (3) in a direction toward the air intake pipe (1); a plurality of third filter holes (32) arranged in a linear array are formed on the third filter plate (31); the diameter of the third filter holes (32) is larger than the diameter of the first filter holes (12), and the third filter holes (32) are smaller than the second filter holes (18).

3. The RTO interception device for paint residue pretreatment according to claim 2 is characterized in that: A plurality of the second filter plates (17) are integrated on the collection box (3), and the collection box (3) is square.

4. The RTO interception device for paint residue pretreatment according to claim 2, characterized in that: A predetermined gap is left between the second filter plate (17) and the air outlet pipe (10) to form an air flow groove (19).

5. The RTO interception device for paint residue pretreatment according to claim 4 is characterized in that: The air outlet pipe (10) is provided with a plate (20), and a plurality of communication holes (21) arranged in a linear array are provided at the edge of the plate (20).

6. The RTO interception device for paint residue pretreatment according to claim 5, characterized in that: The plate member (20) is provided with a plurality of vertical plates (13) arranged in a circumferential array, and the vertical plates (13) are provided with a plurality of connecting plates (14) arranged in a circumferential array, each connecting plate (14) respectively corresponding to the plurality of connecting holes (21) on one side.

7. The RTO interception device for paint residue pretreatment according to claim 6, characterized in that: A cross plate (201) is provided on the plate member (20), a driving shaft (202) is provided at the bottom of the cross plate (201), and a plurality of fan blades (203) arranged in a circular array are provided on the driving shaft (202).

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