Integrated secondary filtering powder spraying chamber
By designing an integrated secondary filtering powder spray chamber, integrating the first and second-level recycling filter chambers, negative pressure chambers and discharge chambers, the existing powder spray chambers are solved, and the effect of simplifying the structure, reducing construction complexity and meeting environmental emissions is achieved.
Patent Information
- Application Number
- CN202323624914.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-28
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2033-12-28
AI Technical Summary
The existing powder spray chamber has a complex structure, a cumbersome construction site and cannot meet environmentally friendly emission requirements. It is necessary to add components such as secondary filtration devices.
An integrated secondary filter powder spray chamber is designed, and the first-level recycling filter chamber, negative pressure chamber, secondary recycling filter chamber and discharge chamber are integrated on the frame box. It is equipped with a first fan, a first-level filter and a second-level filter. Through the combination of negative pressure and filter, effective powder recovery and environmentally friendly emissions are achieved.
The structure of the powder spray chamber is simplified, the complexity and time of on-site construction is reduced, the environmentally friendly emission needs are met, and the construction efficiency of the powder spray chamber is improved.
Smart Images
Figure CN222625036U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of powder spraying rooms, in particular to an integrated two-level filtering powder spraying room. Background Art
[0002] The powder spraying room is one of the main equipment for powder electrostatic coating. Small powder spraying rooms are generally used for manual powder spraying. The powder is recovered in the powder spraying room. A negative pressure fan is installed in the powder spraying room. The negative pressure can guide the excess powder to be recovered to the primary filter element of the powder spraying room, and then fall into the recovery tank after pulse backblowing. However, the primary filtration cannot meet the emission requirements required for environmental protection, so the existing powder spraying room has added more components such as secondary filtration devices, recovery tanks, filters, etc., making the structure of the powder spraying room more complicated. The complex powder spraying room needs to be modified during the on-site construction process, which makes the on-site construction of the powder spraying room more cumbersome.
[0003] To this end, the utility model proposes an integrated two-stage filtration powder spraying room. The structure of the powder spraying room is more practical and more suitable. There is no need to spend much time on building the powder spraying room on site. Moreover, the prefabricated powder spraying room can meet the requirements of environmentally friendly emissions after use. Utility Model Content
[0004] The utility model aims to provide an integrated two-stage filtering powder spraying chamber to solve one or more technical problems existing in the prior art and at least provide a beneficial choice or create conditions.
[0005] The technical solutions adopted to solve the above technical problems are:
[0006] An integrated two-stage filtering powder spraying room comprises:
[0007] The rack box is provided with a primary recovery filter chamber, a negative pressure chamber, a secondary recovery filter chamber, and a discharge chamber. The bottom of the primary recovery filter chamber is provided with a primary recovery slot, the bottom of the secondary recovery filter chamber is provided with a secondary recovery slot, the front side of the primary recovery filter chamber is open, the primary recovery filter chamber is provided with a primary recovery hole, the primary recovery hole is connected to the negative pressure chamber, the negative pressure chamber is connected to the secondary recovery filter chamber, the secondary recovery filter chamber is provided with a secondary recovery hole, the secondary recovery hole is connected to the discharge chamber, and the discharge chamber is connected to the outside;
[0008] A first fan, which is disposed in the negative pressure chamber, blows the gas in the negative pressure chamber into the secondary recovery filter chamber, and the first fan generates negative pressure in the negative pressure chamber;
[0009] A primary filter, the cover of which is arranged on the primary recovery hole;
[0010] The secondary filter is covered on the secondary recovery hole.
[0011] The beneficial effects of the utility model are as follows: a primary recovery filter chamber, a negative pressure chamber, a secondary recovery filter chamber, and a discharge chamber are integrated on the frame box. When the first fan in the negative pressure chamber is started, the air in the negative pressure chamber flows through the secondary recovery filter chamber and the discharge chamber and is discharged to the outside, so that a negative pressure chamber is formed. The staff performs powder spraying operation on the front side of the primary recovery filter chamber, and the excess powder is filtered by the primary filter or falls into the primary recovery trough. Then the air enters the secondary recovery filter chamber from the negative pressure chamber, and the air is filtered by the secondary filter again, so that the air discharged from the discharge chamber is clean, and the first recovery trough and the second recovery trough can collect dust for recycling. The integrated secondary filtration powder spraying room integrates functional modules such as secondary filtration, division of different chambers, and dust collection on the frame box, so as to pre-build an integrated secondary filtration powder spraying room, without the need to build a powder spraying room on site, thereby improving the construction efficiency of the powder spraying room.
[0012] As a further improvement of the above technical solution, there are multiple primary recovery holes, there are multiple primary filters, and the multiple primary filters are covered on the multiple primary recovery holes in a one-to-one correspondence.
[0013] As a further improvement of the above technical solution, the integrated two-stage filtration powder spraying chamber also includes a first back-blowing device, which is arranged in the negative pressure chamber. The first back-blowing device has a plurality of first air blowing pipes, and the plurality of first air blowing pipes are connected to the plurality of first-level recovery holes in a one-to-one correspondence.
[0014] As a further improvement of the above technical solution, the primary recovery hole is located at the top of the primary recovery filter chamber.
[0015] As a further improvement of the above technical solution, the primary recovery filter chamber and the secondary recovery filter chamber are arranged horizontally side by side, and the negative pressure chamber is located above the primary recovery filter chamber.
[0016] As a further improvement of the above technical solution, the integrated two-stage filtering powder spraying chamber further includes a second back-blowing device, the second back-blowing device has a second air blowing pipe, and the second air blowing pipe is connected to the secondary recovery hole.
[0017] As a further improvement of the above technical solution, the primary recovery tank is separated from the secondary recovery tank.
[0018] As a further improvement of the above technical solution, the integrated two-stage filtering powder spraying chamber also includes a second fan, which is arranged in the discharge chamber, and the second fan blows the gas in the discharge chamber to the outside.
[0019] As a further improvement of the above technical solution, the bottom of the primary recovery filter chamber and / or the bottom of the secondary recovery filter chamber is in a cone shape that is larger at the top and smaller at the bottom.
[0020] As a further improvement of the above technical solution, the volume of the secondary recovery filter chamber is smaller than the volume of the primary recovery filter chamber. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments;
[0022] Figure 1 The utility model provides an integrated two-stage filtering powder spray chamber, and an exploded schematic diagram of the rear side of one embodiment thereof.
[0023] 100. rack housing, 110. primary recovery filter chamber, 111. primary recovery tank, 120. negative pressure chamber, 130. secondary recovery filter chamber, 131. secondary recovery tank, 140. discharge chamber, 200. first back-blowing device, 210. first air blowing pipe, 300. second back-blowing device, 310. second air blowing pipe. DETAILED DESCRIPTION
[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0025] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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.
[0026] In the description of the present utility model, if there are words such as "several", it means one or more, "more" means more than two, greater than, less than, exceed, etc. are understood to exclude the number, and above, below, within, etc. are understood to include the number.
[0027] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.
[0028] Reference Figure 1 As shown, the integrated two-stage filtering powder spraying chamber of the utility model is implemented as follows:
[0029] The integrated two-stage filtering powder spraying room comprises a frame box 100, a first fan, a primary filter and a secondary filter.
[0030] The rack box 100 is internally divided into a primary recovery filter chamber 110, a negative pressure chamber 120, a secondary recovery filter chamber 130, and a discharge chamber 140. Among them, the primary recovery filter chamber 110 is provided with a primary recovery hole, the primary recovery filter chamber 110 is arranged adjacent to the negative pressure chamber 120, the primary recovery hole is connected to the negative pressure chamber 120, the negative pressure chamber 120 is connected to the secondary recovery filter chamber 130 through a pipeline, the secondary recovery filter chamber 130 is provided with a secondary recovery hole, the secondary recovery filter chamber 130 is arranged adjacent to the discharge chamber 140, the secondary recovery hole is connected to the discharge chamber 140, and the discharge chamber 140 is connected to the outside.
[0031] The primary filter is disposed in the primary recovery filter chamber 110, and the primary filter closes the primary recovery hole. The secondary filter is disposed in the secondary recovery filter chamber 130, and the secondary filter closes the secondary recovery hole.
[0032] The first fan is disposed in the negative pressure chamber 120 , and blows air into the secondary recovery filter chamber 130 through a pipeline. The air in the secondary recovery filter chamber 130 is discharged to the outside through the discharge chamber 140 , thereby generating negative pressure in the negative pressure chamber 120 .
[0033] A primary recovery trough 111 is provided at the bottom of the primary recovery filter chamber 110 , a secondary recovery trough 131 is provided at the bottom of the secondary recovery filter chamber 130 , and the front side of the primary recovery filter chamber 110 is open to facilitate the staff to perform powder spraying operation at the front side of the primary recovery filter chamber 110 .
[0034] Since the negative pressure chamber 120 generates negative pressure and the primary filter closes the primary recovery hole, the primary filter forms a negative pressure in the primary recovery filter chamber 110. When the staff performs powder spraying operation on the front side of the primary recovery filter chamber 110, part of the excess powder directly falls into the primary recovery tank 111, and another part of the excess powder is adsorbed on the primary filter to prevent the powder from directly drifting to the outside and causing environmental pollution. A small amount of powder with smaller particle size passes through the primary filter into the negative pressure chamber 120, and the first fan blows air to drive the powder with smaller particle size into the secondary recovery filter chamber 130. The secondary filter closes the secondary recovery hole, and the powder with smaller particle size is filtered by the secondary filter, so that the powder with smaller particle size falls into the secondary recovery tank 131 or is adsorbed on the secondary filter. The air quality discharged to the outside through the discharge chamber 140 is relatively high, which prevents the powder from causing environmental pollution.
[0035] The integrated two-stage filtration powder spraying room integrates functional modules such as two-stage filtration, multiple chamber division, and dust collection on the frame box 100, so as to facilitate the pre-construction of the integrated two-stage filtration powder spraying room, without the need to build the powder spraying room on site, thereby improving the construction efficiency of the powder spraying room.
[0036] In some embodiments, the primary recovery filter chamber 110 is provided with a plurality of primary recovery holes, and a plurality of primary filters are closed in the plurality of primary recovery holes in a one-to-one correspondence.
[0037] A plurality of primary recovery holes are provided to enhance the suction effect of the negative pressure chamber 120 on the air in the primary recovery filter chamber 110. Since the powder sprayed during the powder spraying operation diffuses into the primary recovery filter chamber 110, a plurality of primary filters are provided to adsorb the scattered powder. The plurality of primary filters help to improve the powder filtering effect.
[0038] In some embodiments, the first back-blowing device 200 is disposed in the negative pressure chamber 120 , and the first back-blowing device 200 is provided with a plurality of first air blowing pipes 210 , and the plurality of first air blowing pipes 210 correspond one-to-one to the plurality of primary recovery holes.
[0039] The multiple first blowing pipes 210 of the first back-blowing device 200 blow compressed gas to the multiple primary recovery holes, and the compressed gas is blown to the primary filter through the primary recovery holes, so as to blow the powder adsorbed on the primary filter into the primary recovery tank 111.
[0040] In some embodiments, a primary recovery hole is disposed at the top of the primary recovery filter chamber 110 .
[0041] The larger and heavier powder falls directly into the primary recovery tank 111, while the lighter powder is adsorbed onto the primary filter from bottom to top. As the powder continues to accumulate on the surface of the primary filter, heavier powder clusters are formed and fall into the primary recovery tank 111, so as to collect the powder on the primary filter.
[0042] In some embodiments, the primary recovery filter chamber 110 and the secondary recovery filter chamber 130 are arranged horizontally adjacent to each other, and the negative pressure chamber 120 is arranged above the primary recovery filter chamber 110 .
[0043] The negative pressure chamber 120 is allocated above the primary recovery filter chamber 110, so that the primary recovery hole is directly connected to the bottom of the negative pressure chamber 120, and then the negative pressure chamber 120 and the secondary recovery filter chamber 130 below are connected through a pipeline, so that the space allocation of the rack box 100 is more reasonable.
[0044] In some embodiments, the second back-blowing device 300 is disposed in the discharge chamber 140 . The second back-blowing device 300 is provided with a second air blowing pipe 310 , and the second air blowing pipe 310 is communicated with the secondary recovery hole.
[0045] The second air blowing pipe 310 of the second back-blowing device 300 blows compressed gas toward the secondary recovery hole, and the compressed gas blows toward the secondary filter through the secondary recovery hole, so as to blow the powder adsorbed on the secondary filter into the secondary recovery tank 131 .
[0046] In some embodiments, the primary recovery tank 111 and the secondary recovery tank 131 are separated.
[0047] The particle size of the powder collected in the primary recovery tank 111 is larger than the particle size of the powder collected in the secondary recovery tank 131 , and powders of different particle sizes are collected separately to facilitate recycling of powders of different particle sizes.
[0048] In some embodiments, a second fan is installed in the discharge chamber 140 , and the second fan blows the air in the discharge chamber 140 out to the outside.
[0049] The second fan forms a negative pressure in the discharge chamber 140 , and forms a negative pressure in the secondary recovery hole and the secondary filter, so that the powder is adsorbed on the secondary filter.
[0050] In some embodiments, the bottom of the primary recovery filter chamber 110 and the bottom of the secondary recovery filter chamber 130 are configured to be conical with a larger top and a smaller bottom.
[0051] The conical structure helps to collect the fallen powder for easy powder recovery.
[0052] In some embodiments, the volume of the primary recovery filter chamber 110 is greater than the volume of the secondary recovery filter chamber 130 .
[0053] Since the staff performs powder spraying operation at the front side of the primary recovery filter chamber 110, the larger primary recovery filter chamber 110 is used to collect the powder diffused during powder spraying, while the smaller secondary recovery filter chamber 130 is mainly used to collect the powder with smaller particle size transported by the pipeline, so that the volume distribution of the primary recovery filter chamber 110 and the secondary recovery filter chamber 130 is more appropriate, thereby improving the space utilization rate of the rack box 100.
[0054] Specifically, refer to Figure 1 As shown, the integrated two-stage filtering powder spraying room includes a frame box 100, a first fan, a second fan, a primary filter, a secondary filter, a first back-blowing device 200, and a second back-blowing device 300.
[0055] The rack housing 100 is internally divided into a primary recovery filter chamber 110, a negative pressure chamber 120, a secondary recovery filter chamber 130, and a discharge chamber 140 by a plurality of partitions. The primary recovery filter chamber 110 and the secondary recovery filter chamber 130 are arranged side by side, and the volume of the primary recovery filter chamber 110 is equal to three times the volume of the secondary recovery filter chamber 130. The negative pressure chamber 120 is arranged at the top of the primary recovery filter chamber 110, and the discharge chamber 140 is arranged at the top of the secondary recovery filter chamber 130.
[0056] The front side wall of the primary recovery filter chamber 110 is open, and the bottom of the primary recovery filter chamber 110 is in a cone shape with a larger upper portion and a smaller lower portion. A primary recovery tank 111 is disposed at the bottom of the primary recovery filter chamber 110 .
[0057] A plurality of primary recovery holes spaced apart along the left-right direction are provided on the top of the primary recovery filter chamber 110 , and the plurality of primary recovery holes are connected to the negative pressure chamber 120 .
[0058] The top of the negative pressure chamber 120 is connected to the rear side of the secondary recovery filter chamber 130 through a pipeline.
[0059] The bottom of the secondary recovery filter chamber 130 is in a cone shape with a larger top and a smaller bottom. A secondary recovery tank 131 is provided at the bottom of the secondary recovery filter chamber 130 , and the secondary recovery tank 131 is not connected to the primary recovery tank 111 .
[0060] A secondary recovery hole is provided at the top of the secondary recovery filter chamber 130 , and the secondary recovery hole is connected to the discharge chamber 140 , and the top of the discharge chamber 140 is connected to the outside.
[0061] A plurality of primary filters are arranged in the primary recovery filter chamber 110, and the plurality of primary filters are mounted on the plurality of primary recovery holes in a one-to-one correspondence. A secondary filter is arranged in the secondary recovery filter chamber 130, and the secondary filter is mounted on the secondary recovery hole.
[0062] Both the primary filter and the secondary filter are filter cartridges, a filter screen is sleeved on the cylindrical structure, and the filter screen aperture of the secondary filter is smaller than the filter screen aperture of the primary filter.
[0063] The first fan is installed in the negative pressure chamber 120, and the second fan is installed in the discharge chamber 140. The first fan blows the air in the negative pressure chamber 120 into the secondary recovery filter chamber 130 through the pipeline, and the second fan blows the air in the discharge chamber 140 out to the outside.
[0064] The first back-blowing device 200 is installed in the negative pressure chamber 120, and the second back-blowing device is installed in the discharge chamber 140. The multiple first air blowing pipes 210 of the first back-blowing device 200 are connected to the primary recovery hole, and the first back-blowing device 200 blows compressed air to the multiple primary recovery holes through the multiple first air blowing pipes 210. The second air blowing pipe 310 of the second back-blowing device 300 is connected to the secondary recovery hole, and the second back-blowing device 300 blows compressed air to the secondary recovery hole through the second air blowing pipe 310.
[0065] The staff performs powder spraying operation on the front side of the primary recovery filter chamber 110. Since the first fan and the second fan work to generate negative pressure in the negative pressure chamber 120, and the primary filter closes the primary recovery hole, the primary filter forms a negative pressure in the primary recovery filter chamber 110. When the staff performs powder spraying operation on the front side of the primary recovery filter chamber 110, part of the excess powder directly falls into the primary recovery tank 111, and another part of the excess powder is adsorbed on the primary filter to prevent the powder from directly drifting to the outside and causing environmental pollution. A small amount of powder with smaller particle size passes through the primary filter into the negative pressure chamber 120, and the first fan blows air to drive the powder with smaller particle size into the secondary recovery filter chamber 130, and the secondary filter closes the secondary recovery hole, then the powder with smaller particle size is filtered by the secondary filter, so that the powder with smaller particle size falls into the secondary recovery tank 131 or is adsorbed on the secondary filter, and the air quality discharged to the outside through the discharge chamber 140 is higher, which prevents the powder from causing environmental pollution.
[0066] The first back-blowing device 200 and the second back-blowing device 300 are operated once at a fixed time so as to back-blow the dust adsorbed on the primary filter and drop it into the primary recovery tank 111 , and back-blow the dust adsorbed on the secondary filter and drop it into the secondary recovery tank 131 .
[0067] The preferred implementation modes of the present invention are specifically described above, but the present invention is not limited to the described embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present invention, and these equivalent modifications or substitutions are all included in the scope defined by the claims of this application.
Claims
1. An integrated two-stage filtration powder spraying room, characterized in that: include: The rack box is provided with a primary recovery filter chamber, a negative pressure chamber, a secondary recovery filter chamber, and a discharge chamber. The bottom of the primary recovery filter chamber is provided with a primary recovery slot, the bottom of the secondary recovery filter chamber is provided with a secondary recovery slot, the front side of the primary recovery filter chamber is open, the primary recovery filter chamber is provided with a primary recovery hole, the primary recovery hole is connected to the negative pressure chamber, the negative pressure chamber is connected to the secondary recovery filter chamber, the secondary recovery filter chamber is provided with a secondary recovery hole, the secondary recovery hole is connected to the discharge chamber, and the discharge chamber is connected to the outside; A first fan, which is disposed in the negative pressure chamber, blows the gas in the negative pressure chamber into the secondary recovery filter chamber, and the first fan generates negative pressure in the negative pressure chamber; A primary filter, the cover of which is arranged on the primary recovery hole; The secondary filter is covered on the secondary recovery hole.
2. The integrated two-stage filtration powder spraying chamber according to claim 1 is characterized in that: There are multiple primary recovery holes and multiple primary filters, and the multiple primary filters are covered on the multiple primary recovery holes in a one-to-one correspondence.
3. The integrated two-stage filtration powder spraying chamber according to claim 2 is characterized in that: The integrated two-stage filtering powder spraying chamber also includes a first back-blowing device, which is arranged in the negative pressure chamber. The first back-blowing device has a plurality of first air blowing pipes, and the plurality of first air blowing pipes are connected to the plurality of first-level recovery holes in a one-to-one correspondence.
4. The integrated two-stage filtration powder spraying chamber according to claim 1 is characterized in that: The primary recovery hole is located at the top of the primary recovery filter chamber.
5. The integrated two-stage filtration powder spraying chamber according to claim 4 is characterized in that: Therefore, the primary recovery filter chamber and the secondary recovery filter chamber are arranged horizontally side by side, and the negative pressure chamber is located above the primary recovery filter chamber.
6. The integrated two-stage filtration powder spraying chamber according to claim 1, characterized in that: The integrated two-stage filtering powder spraying chamber further comprises a second back-blowing device, wherein the second back-blowing device comprises a second air blowing pipe, and the second air blowing pipe is connected to the two-stage recovery hole.
7. The integrated two-stage filtration powder spraying chamber according to claim 1, characterized in that: The primary recovery tank is separated from the secondary recovery tank.
8. The integrated two-stage filtration powder spraying chamber according to claim 1, characterized in that: The integrated two-stage filtering powder spraying chamber further comprises a second fan, which is arranged in the discharge chamber and blows the gas in the discharge chamber to the outside.
9. The integrated two-stage filtration powder spraying chamber according to claim 1, characterized in that: The bottom of the primary recovery filter chamber and / or the bottom of the secondary recovery filter chamber is in a cone shape that is larger at the top and smaller at the bottom.
10. The integrated two-stage filtering powder spraying chamber according to claim 1, characterized in that: The volume of the secondary recovery filter chamber is smaller than the volume of the primary recovery filter chamber.