Static pressure mixed flow box for waste gas treatment
By incorporating structural designs such as guide plates, perforated plates, filter screens, and swirl seats, the problem of uneven airflow mixing in traditional waste gas treatment devices has been solved, achieving uniform mixing and homogenization of waste gas and improving collection efficiency.
Patent Information
- Application Number
- CN202522329032.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-03
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-11-03
AI Technical Summary
Traditional waste gas treatment devices suffer from uneven airflow mixing, resulting in poor treatment performance and low collection efficiency.
It adopts a structural design including a flow guide plate, a perforated plate, a filter plate, and a swirl seat, and achieves uniform mixing and homogenization of gas through the principles of flow guidance, rotation, and static pressure.
It improves the efficiency of waste gas collection, achieves uniform mixing and homogenization of waste gas, and enhances the deceleration, pressure stabilization and turbulence effects of airflow.
Smart Images
Figure CN223668998U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waste gas treatment technical field, concretely is a kind of waste gas treatment static pressure mixed flow box. BACKGROUND
[0002] Waste gas treatment, also known as air pollution control, is the whole process of capturing, converting or removing pollutants in harmful and toxic waste gas generated by industrial production or energy combustion through a series of physical, chemical or biological techniques to make it meet the emission standard. The waste gas treatment static pressure mixed flow box is a device specially used in the waste gas treatment system to improve airflow organization, stabilize pressure and promote uniform mixing of pollutants.
[0003] The conventional waste gas treatment device has low waste gas collection efficiency, and lacks effective mixing structure inside the treatment device, so that the airflow deceleration, pressure stabilization and forced turbulence effect are not good, and only rely on the length of the pipeline itself for natural diffusion mixing, which can easily lead to uneven mixing of waste gas and other problems, thereby resulting in poor waste gas treatment effect. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a waste gas treatment static pressure mixed flow box to solve the problems raised in the above background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a waste gas treatment static pressure mixed flow box, comprising a box body, a cover plate, an air inlet pipe and an air outlet pipe, the box body is connected with the cover plate on both sides of the outer wall, and the air inlet pipe is installed on both sides of the outer wall of the cover plate, the box body is connected with the air outlet pipe at the middle of the bottom end, and the flow sensor is installed inside the air outlet pipe, the concentration sensor is installed at the outlet area of the box body, and the pressure sensor is installed at the air inlet area of the box body, the base is connected with the box body on one side inside the box body, and the flow guide plates are connected with the outer wall of the base at equal intervals, the cyclone seat is fixedly connected with the inner wall of the middle of the box body, and the arc-shaped blades are installed on the outer wall of the cyclone seat at equal angles, the cyclone seat can make the gas produce strong rotary motion, and then realize mixing by using centrifugal force and turbulence.
[0006] The perforated plate and the filter screen are arranged between the flow guide plate and the cyclone seat in sequence, the flow guide plate preliminarily guides the irregular airflow from the air inlet pipe, then receives the airflow that is preliminarily guided through the perforated plate, and generates uniform resistance through the dense holes of the perforated plate, so that the airflow velocity distribution through the perforated plate is uniform.
[0007] When the airflow field contacts the fixed cyclone seat, the airflow is forced to change direction from axial motion to spiral forward rotary motion, so that the gas of different components is fully mixed in high-speed rotation.
[0008] Preferably, the flow guide plate is welded with a first limiting strip on both sides, the multi-hole plate is welded with a second limiting strip on both sides, and the filter screen plate is welded with a third limiting strip on both sides.
[0009] Preferably, the box is internally provided with fixed cavities corresponding to the first limiting strip, the second limiting strip and the third limiting strip, a homogenizing cavity is formed in the middle of the inner wall of the box, and the flow guide plate is arranged in an oblique line.
[0010] The flow guide plate can be disassembled by moving the base so that the first limiting strip moves out of the box, the multi-hole plate can be disassembled by moving the base so that the second limiting strip moves out of the box, and the filter screen plate can be disassembled by moving the base so that the third limiting strip moves out of the box.
[0011] Preferably, maintenance cavities are formed in the middle of the outer wall of the box on both sides, a maintenance door is arranged outside the maintenance cavities, slide rails are slidably connected to the inside of the maintenance door on both sides, and one side of the outer wall of the slide rails is welded to the outer wall of the box.
[0012] The maintenance door is moved away from the air inlet pipeline along the slide rails until the maintenance cavities are exposed by pushing the maintenance door.
[0013] Preferably, a limiting seat is fixedly connected to the middle of the outer wall of the maintenance door, a fixing seat is welded to one side of the outer wall of the box close to the maintenance door, and the slide rails have a T-shaped structure.
[0014] After the limiting seat is completely inserted into the fixing seat, the spring is reset so that the fixing part is inserted into the limiting seat, so that the maintenance door is limited and fixed by moving the maintenance door to a specified position to prevent the maintenance door from moving randomly.
[0015] Preferably, a fixing part is slidably connected to one side of the inside of the fixing seat, a spring is fixedly connected to the other side of the inside of the fixing seat, and corresponding inclined surfaces are formed in one side of the outer wall of the limiting seat and the bottom end of the fixing part.
[0016] When the limiting seat contacts the fixing part, an upward thrust is generated on the fixing part, so that the fixing part moves upward along the fixing seat, and upward movement of the fixing part stretches the spring to cause deformation of the spring.
[0017] Preferably, the limiting seat has an L-shaped structure, and the top end of the spring is fixedly connected to the top of the limiting seat.
[0018] As can be seen from the above, the waste gas treatment static pressure mixed flow box has the following beneficial effects.
[0019] The gas flow is preliminarily guided by the guide plate, then the preliminarily guided gas flow is received by the porous plate, a flow field with very uniform velocity distribution is output, the gas flow direction is changed by the cyclone seat, so that the gas flow changes from axial movement to spiral forward rotation, and then the gas of different components is fully mixed in high-speed rotation, then the mixed gas is temporarily detained in the homogenizing cavity, and then the exhaust gas is fully mixed in the mixing cavity by using the static pressure principle, so that the homogenization treatment is realized.
[0020] The maintenance cavity is shown by moving the maintenance door, at this time, the staff cleans the guide plate and other components through the maintenance cavity, and only needs to horizontally move the base and the porous plate, so that the guide plate, the porous plate and the filter screen plate and other components are moved out of the box, so that the staff can replace and clean the guide plate, the porous plate and the filter screen plate. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a whole three-dimensional structure schematic diagram of the utility model;
[0022] Figure 2 It is a maintenance cavity appearance state structure schematic diagram of the utility model;
[0023] Figure 3 It is a main view cut structure schematic diagram of the utility model;
[0024] Figure 4 It is a filter screen plate three-dimensional structure schematic diagram of the utility model;
[0025] Figure 5 It is a guide plate three-dimensional structure schematic diagram of the utility model;
[0026] Figure 6 It is a porous plate three-dimensional structure schematic diagram of the utility model;
[0027] Figure 7 It is a cyclone seat three-dimensional structure schematic diagram of the utility model;
[0028] Figure 8 It is a maintenance door back view three-dimensional structure schematic diagram of the utility model;
[0029] Figure 9 It is a fixed seat main view cut structure schematic diagram of the utility model;
[0030] Figure 10 It is a fixed seat three-dimensional structure schematic diagram of the utility model.
[0031] In the figure: 1, box; 2, cover plate; 3, air inlet pipe; 4, exhaust pipe; 5, base; 6, guide plate; 7, cyclone seat; 8, perforated plate; 9, filter screen; 10, homogenizing cavity; 11, No. 1 limiting strip; 12, No. 2 limiting strip; 13, No. 3 limiting strip; 14, maintenance cavity; 15, maintenance door; 16, slide rail; 17, limiting seat; 18, fixing seat; 19, fixing piece; 20, spring. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0033] Please refer to Figures 1-10 The utility model provides a kind of technical scheme: a kind of exhaust treatment static pressure mixed flow box, including box 1, cover plate 2, air inlet pipe 3 and exhaust pipe 4, box 1 outer wall both sides are connected with cover plate 2, and cover plate 2 outer wall both sides are equipped with air inlet pipe 3, box 1 bottom end middle part is connected with exhaust pipe 4, and flow sensor is installed in exhaust pipe 4, concentration sensor is installed in the export area of box 1, and pressure sensor is installed in the air inlet area of box 1, box 1 inside is connected with base 5 near one side of box 1, and the equidistant guide plate 6 is connected on the outer wall of base 5, fixedly connected with cyclone seat 7 on the inner wall of box 1 middle part, and equi-angle arc blade is installed on the outer wall of cyclone seat 7, cyclone seat 7 can make gas produce strong rotary motion, and then realize mixing using centrifugal force and turbulent flow;
[0034] Perforated plate 8 and filter screen 9 are sequentially arranged between guide plate 6 and cyclone seat 7, guide plate 6 preliminarily guides gas from irregular airflow of air inlet pipe 3, then receives airflow that is preliminarily guided by perforated plate 8, generates uniform resistance by its dense eye, so that airflow velocity distribution passing through perforated plate 8 is uniform;No. 1 limiting strip 11 is welded on the upper and lower sides of guide plate 6, No. 2 limiting strip 12 is welded on the upper and lower sides of perforated plate 8, and No. 3 limiting strip 13 is welded on the upper and lower sides of filter screen 9;Fixed cavity corresponding to No. 1 limiting strip 11, No. 2 limiting strip 12 and No. 3 limiting strip 13 is formed in the inside of box 1, homogenizing cavity 10 is formed in the middle part of the inner wall of box 1, and guide plate 6 is arranged in oblique line.
[0035] In specific implementation, first, the exhaust gas is introduced into the inside of box 1 through air inlet pipe 3 on the outer wall both sides of cover plate 2, and the exhaust gas from different emission points is collected by multiple air inlet pipes 3 to improve the collection efficiency, then the exhaust gas sequentially passes through guide plate 6-perforated plate 8-filter screen 9-cyclone seat 7 after entering the inside of box 1.
[0036] First, the airflow is preliminarily guided by the inclined flow guide plate 6 to avoid direct impact on the rear perforated plate 8, then the airflow is received by the perforated plate 8, which generates uniform resistance through its dense holes, thereby outputting a flow field with very uniform velocity distribution, and then the airflow contacts the filter screen 9 to remove larger particles in advance, and then the airflow field contacts the stationary cyclone seat 7, which forces the airflow to change direction from axial movement to spiral forward rotation, so that different components of the gas are fully mixed in high-speed rotation.
[0037] Then the mixed gas reaches the homogenizing cavity 10, where the mixed gas is temporarily retained by the homogenizing cavity 10 to further smooth the peak fluctuations of concentration and temperature, and finally discharged from the exhaust pipe 4 to the box 1, and then use the static pressure principle (this is a prior art) to make the exhaust gas fully mixed in the mixing chamber to achieve homogenization treatment, thereby effectively improving the exhaust gas collection efficiency and achieving uniform mixing and homogenization of the exhaust gas.
[0038] Subsequent workers only need to move the base 5 to move the first limiting strip 11 out of the box 1 to complete the disassembly of the flow guide plate 6; move the second limiting strip 12 out of the box 1 to complete the disassembly of the perforated plate 8; and move the third limiting strip 13 out of the box 1 to complete the disassembly of the perforated plate 8.
[0039] The static pressure mixing box also monitors the differential pressure of each branch and the total pipe static pressure through the pressure sensor to judge the collection effect and filter blockage; monitors the total air volume of each branch through the flow sensor to ensure that the design requirements are met; monitors the concentration of the mixed exhaust gas in real time through the concentration sensor; and monitors the exhaust gas temperature through the temperature sensor to prevent excessive or low temperature from causing damage to subsequent equipment.
[0040] Referring to Figure 1 , Figure 2 , Figures 8-10 The outer wall of the box 1 is provided with an inspection cavity 14 on both sides of the middle part, and the inspection door 15 is arranged outside the inspection cavity 14. The inspection door 15 is slidably connected with the slide rails 16 on both sides of the inside, and the outer wall of the slide rails 16 is welded with the outer wall of the box 1 on one side. The limiting seat 17 is fixedly connected to the middle part of the outer wall of the inspection door 15, and the fixed seat 18 is welded on the side of the outer wall of the box 1 close to the inspection door 15. The slide rails 16 are in "T" shape structure. The fixed seat 18 is slidably connected with the fixed part 19 on one side of the inside, and the other side of the inside is fixedly connected with the spring 20. Corresponding inclined surfaces are formed on one side of the outer wall of the limiting seat 17 and the bottom end of the fixed part 19. The limiting seat 17 is in "L" shape structure, and the top end of the spring 20 is fixedly connected with the top of the limiting seat 17.
[0041] In the embodiment, when the guide plate 6 and other components need to be cleaned and maintained, the maintenance door 15 is pushed to move the maintenance door 15 away from the air inlet pipe 3 along the slide rail 16 until the maintenance cavity 14 appears. At this time, the worker cleans the guide plate 6 and other components through the maintenance cavity 14, and only needs to move the base 5 and the perforated plate 8 horizontally to move the guide plate 6, the perforated plate 8 and the filter screen plate 9 out of the box 1, so as to facilitate the worker to replace and clean the guide plate 6, the perforated plate 8 and the filter screen plate 9.
[0042] After the cleaning and maintenance work is completed, the maintenance door 15 is moved to be close to the fixed seat 18 until the limiting seat 17 is inserted into the fixed seat 18. Because the outer wall of the limiting seat 17 and the bottom end of the fixing member 19 are both provided with corresponding inclined surfaces, when the limiting seat 17 contacts the fixing member 19, an upward pushing force is generated on the fixing member 19, so that the fixing member 19 moves upward along the fixed seat 18. When the fixing member 19 moves upward, the spring 20 is stretched to be deformed. When the limiting seat 17 is completely inserted into the fixed seat 18, the spring 20 is reset to make the bottom of the fixing member 19 inserted into the limiting seat 17, so that only the maintenance door 15 needs to be moved to the specified position, and the maintenance door 15 is limited and fixed to prevent it from being moved randomly.
[0043] The above is only a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. According to the technical solution and the inventive concept of the present application, equivalent replacement or change should be covered in the protection scope of the present application.
Claims
1. A waste gas treatment static pressure mixed flow box, comprising a box body (1), a cover plate (2), an air inlet pipe (3) and an exhaust pipe (4), the box body (1) is connected with the cover plate (2) on both sides of the outer wall, and the cover plate (2) is provided with the air inlet pipe (3) on both sides of the outer wall, the bottom end of the box body (1) is connected with the exhaust pipe (4), and the inside of the exhaust pipe (4) is provided with a flow sensor, the outlet area of the box body (1) is provided with a concentration sensor, and the air inlet area of the box body (1) is provided with a pressure sensor, characterized in that: the inside of the box body (1) is connected with a base (5) close to one side of the box body (1), and the outer wall of the base (5) is connected with equally spaced guide plates (6), the inner wall of the middle of the box body (1) is fixedly connected with a cyclone seat (7), and the outer wall of the cyclone seat (7) is provided with equally angled arc-shaped blades, the cyclone seat (7) can make the gas produce strong rotary motion, and then realize mixing by using centrifugal force and turbulent flow. a perforated plate (8) and a filter screen plate (9) are sequentially arranged between the guide plates (6) and the cyclone seat (7), the guide plates (6) preliminarily guide the irregular airflow from the air inlet pipe (3), then the airflow that has been preliminarily guided is received through the perforated plate (8), and uniform resistance is generated through the dense holes of the perforated plate (8), so that the airflow velocity distribution through the perforated plate (8) is uniform.
2. The exhaust treatment static pressure mixed flow box of claim 1, wherein: a first limiting strip (11) is welded on the upper and lower sides of the guide plate (6), a second limiting strip (12) is welded on the upper and lower sides of the perforated plate (8), and a third limiting strip (13) is welded on the upper and lower sides of the filter screen plate (9).
3. The exhaust treatment static pressure mixed flow box of claim 2, wherein: a fixed cavity corresponding to the first limiting strip (11), the second limiting strip (12) and the third limiting strip (13) is formed in the inside of the box body (1), a homogenizing cavity (10) is formed in the middle of the inner wall of the box body (1), and the guide plates (6) are arranged in a slant line.
4. The exhaust treatment static pressure mixed flow box of claim 3, wherein: a maintenance cavity (14) is formed in the middle of the outer wall of the box body (1) on both sides, a maintenance door (15) is arranged outside the maintenance cavity (14), slide rails (16) are slidably connected on both sides of the inside of the maintenance door (15), and the outer wall of the slide rails (16) is welded to the outer wall of the box body (1) on one side.
5. The exhaust treatment static pressure mixed flow box of claim 4, wherein: a limiting seat (17) is fixedly connected to the middle of the outer wall of the maintenance door (15), a fixed seat (18) is welded to the side of the outer wall of the box body (1) close to the maintenance door (15), and the slide rails (16) are in a "T" type structure.
6. The exhaust treatment static pressure mixed flow box of claim 5, wherein: a fixing piece (19) is slidably connected to one side of the inside of the fixed seat (18), a spring (20) is fixedly connected to the other side of the inside of the fixed seat (18), and corresponding inclined surfaces are formed in the outer wall of one side of the limiting seat (17) and the bottom end of the fixing piece (19).
7. The exhaust treatment static pressure mixed flow box of claim 6, wherein: the limiting seat (17) is in an "L" type structure, and the top end of the spring (20) is fixedly connected to the top of the limiting seat (17).