High negative pressure oil mist collecting device

Abstract

The utility model relates to the technical field of oil mist collecting devices, and discloses a high negative pressure oil mist collecting device which comprises a fan, a controller is arranged at the front end of the fan, pulleys are fixedly connected to the lower end of the fan, a collecting box is arranged at the upper end of the fan, and a first filter box is arranged at the upper end of the collecting box. When the high-negative-pressure oil mist collecting device is used, the collecting box and the draught fan are locked and fixed through a lock head and a lock catch in a hasp mode, a proper number of filter boxes are arranged at the upper end of the collecting box according to requirements, a sealing cover is fixed to the top filter box, an extraction pipe is fixedly installed on a connecting flange, and the draught fan is started to collect oil mist into the device according to the negative pressure principle; the second filter is made of inorganic fiber filter cotton and can effectively intercept large particle impurities in oil mist and preliminarily purify air entering the device, the first filter is made of activated carbon materials, the purification effect of the device is further improved, and the device is high in integration level, flexible in combination and small in size.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil mist collecting device technical field, concretely is a kind of high negative pressure oil mist collecting device. BACKGROUND

[0002] In modern industrial production, many processing processes such as metal cutting, machining, textile printing and dyeing and chemical synthesis will produce a large amount of oil mist, if not effectively treated and directly discharged into the air, it will cause serious pollution to the air quality of the workplace, and bring great threat to the health of the operating personnel, for example, causing respiratory diseases, skin allergies and other problems, the diffusion of oil mist will also increase the fire hazard in workshop, and the oil mist attached to the surface of equipment will accelerate the wear and corrosion of equipment, shorten the service life of equipment.

[0003] When the traditional oil mist collecting device is used to deal with complex working conditions and high concentration oil mist, the filtering system of part of the equipment is relatively single, cannot efficiently and comprehensively purify different particle sizes and components in the oil mist, so that the pollutant content in the exhaust gas is difficult to meet the increasingly strict environmental protection standard, moreover, the structural design of these devices is not flexible enough, is difficult to expand and upgrade according to actual production needs, so a high negative pressure oil mist collecting device is proposed.

[0004] Chinese utility model patent publication number: CN 211411310 U discloses: vertical oil mist collecting device, the vertical oil mist collecting device adopts multi-stage filtering mode, meets the filtering and purification demand of oil mist airflow, ensures that the gas is clean, at the same time, only needs to connect external ventilation source to meet the flow path demand, the overall design is simple, has the characteristics of small space occupation, low manufacturing cost, is easy to popularize and apply, but the vertical oil mist collecting device has poor expansion performance, cannot add filter components according to demand, and is inconvenient to maintain. SUMMARY

[0005] The technical problem to be solved by the utility model is to provide a high negative pressure oil mist collecting device, which can effectively solve the problems in the prior art.

[0006] The technical scheme adopted by the utility model is: a high negative pressure oil mist collecting device, including fan, the front end of fan is provided with controller, the lower end of fan is fixedly connected with pulley, the upper end of fan is provided with collecting box, the upper end of collecting box is provided with filter box one, the upper end of filter box one is provided with filter box two, the inside of collecting box is provided with collecting groove, the inside of filter box one is provided with filter one, the inside of filter box two is provided with filter two, the upper end of filter two is fixedly connected with placing frame, the upper end of filter box two is provided with cover, the upper end of cover is fixedly connected with connecting flange.

[0007] The filter box two comprises a box body, a lock buckle, a lock head, a blocking hook, a sealing edge, a placing ring seat, a supporting ring seat, a sealing door, a sealing gasket and a lock plate, the box body is fixedly connected with the lock buckle and the lock head at two sides, the box body is fixedly connected with the blocking hook at the front end, the box body is fixedly connected with the sealing edge and the placing ring seat at the upper end, the inner wall of the box body is fixedly connected with the supporting ring seat, the box body is rotationally connected with the sealing door at the front end, the rear end of the sealing door is fixedly connected with the sealing gasket, and the front end of the sealing door is rotationally connected with the lock plate.

[0008] The placing frame comprises a frame body and a handle, and the handle is rotationally connected to the inner wall of the frame body.

[0009] Preferably, the filter box two has the same structure as the collection box and the filter box one, and the box body is provided with a through groove at the lower end.

[0010] Through the above technical scheme, the unified structure design makes the production and manufacturing of the device more convenient, reduces the production cost, and the modular design has strong universality and can be freely combined according to the requirements.

[0011] Preferably, the filter one and the filter two are fixedly connected with the collection groove and the placing frame, and the inner diameter of the box body is the same as the outer diameter of the sealing edge.

[0012] Through the above technical scheme, the design that the inner diameter of the box body is the same as the outer diameter of the sealing edge enables the sealing edge to be closely fitted at the upper end opening of the box body, effectively prevents the oil mist from leaking from the connection, improves the sealing performance of the device, and reduces the pollution of the oil mist to the surrounding environment.

[0013] Preferably, the distance between the placing ring seat and the supporting ring seat is equal to the thickness of the frame body, and the frame body is slidingly connected with the placing ring seat and the supporting ring seat.

[0014] Through the above technical scheme, the placing ring seat and the supporting ring seat are arranged, when the filter box two and the filter two are combined, the sealing door can be opened, and the placing frame can be inserted between the placing ring seat and the supporting ring seat at the front end of the box body, or the placing frame can be placed on the upper end of the placing ring seat when the filter box two and the sealing cover are separated, so that the combination mode is various and the adaptation is flexible.

[0015] Preferably, the blocking hook is matched with the lock plate, the lock head is matched with the lock head, the lock head is snap-connected with the lock head, the fan is fixedly connected with the lock buckle at two sides, and the sealing cover is fixedly connected with the lock head at two sides.

[0016] Through the technical scheme, the blocking hook and the locking plate are arranged, when the placing frame is inserted into the box from the front end of the box, the closing door can be closed by rotating, the locking plate is inserted into the lock head, the closing door and the box are closed, the sealing gasket seals the gap, leakage is avoided, the leakage of oil mist from the closing door is effectively prevented, the sealing property and the safety of the device are ensured, the connection between the fan and the second filter box and between the cover and the second filter box through the lock catch and the lock head not only facilitates the assembly and disassembly of the components and the maintenance and overhaul of the equipment, but also has the modular design, a proper number of filter boxes can be arranged according to requirements, and the flexibility of use is high.

[0017] Preferably, the collecting tank comprises a tank body, a flow guide edge and air permeable holes, the inner wall of the tank body is provided with the flow guide edge, and the outer side of the tank body is provided with the air permeable holes.

[0018] Through the technical scheme, the flow guide edge of the inner wall of the tank body can guide the collected oil mist droplets to flow smoothly to the bottom of the tank body, avoid the accumulation or backflow of the droplets on the tank wall, improve the collection efficiency and recovery effect of the oil mist, and the air permeable holes on the outer side of the tank body are arranged below the flow guide edge, which not only ensures that air can smoothly pass through the collecting tank and maintain the air circulation and negative pressure state inside the device, but also prevents the oil mist droplets from overflowing from the air permeable holes, further improves the reliability and stability of the device, and makes the collecting tank better play its role of collecting and storing oil mist, thereby providing an important guarantee for the efficient operation of the whole high negative pressure oil mist collecting device.

[0019] Preferably, the filter one is made of activated carbon material, and the filter two is made of inorganic fiber filter cotton.

[0020] Through the technical scheme, the filter two is made of inorganic fiber filter cotton, has high filtering precision and pollution interception capacity, can effectively intercept larger particulate impurities in the oil mist, and preliminarily purify the air entering the device, the filter one is made of activated carbon material, the activated carbon has rich pore structure and large specific surface area, can adsorb small particles and organic volatile substances in the oil mist, further improves the purification effect of the device, reduces the pollutant content in the exhaust gas, meets more stringent environmental protection requirements, and makes the gas treated by the device cleaner and safer, which is beneficial to protecting the surrounding environment and the health of the operating personnel.

[0021] Compared with the prior art, the high negative pressure oil mist collecting device has the following beneficial effects:

[0022] 1. The high negative pressure oil mist collecting device is provided with a placing ring seat and a supporting ring seat, when the filter box two and the second filter are combined, the sealing door can be opened, the placing frame can be inserted between the placing ring seat and the supporting ring seat from the front end of the box body, or the placing frame can be placed on the upper end of the placing ring seat when the filter box two and the sealing cover are separated, the combination mode is various, the adaptation is flexible, the stop hook and the lock plate are arranged, when the placing frame is inserted from the front end of the box body and placed, the sealing door can be closed by rotating, the lock plate is inserted into the lock head, the sealing door and the box body are closed, the gap is sealed by the sealing gasket, leakage is avoided, oil mist leakage from the sealing door is effectively prevented, the sealing property and safety of the device are ensured, the connection between the fan and the filter box two and between the sealing cover and the filter box two is achieved through the lock buckle and the lock head, the assembly and disassembly of the components are facilitated, the maintenance and overhaul of the equipment are facilitated, the modular design can set appropriate number of filter boxes according to requirements, and the use flexibility is high;

[0023] 2. The high negative pressure oil mist collecting device is fixed and locked by the lock head and the lock buckle when the collecting box and the fan are used, appropriate number of filter boxes are arranged on the upper end of the collecting box according to requirements, the sealing cover and the top filter box are fixed, the extraction pipe is fixedly installed on the connecting flange, the oil mist is collected into the device through the negative pressure principle when the fan is started, the second filter is made of inorganic fiber filter cotton, has high filtering precision and pollution capacity, can effectively intercept large particle impurities in the oil mist, and preliminarily purifies the air entering the device, the first filter is made of activated carbon material, the activated carbon has rich pore structure and large specific surface area, can adsorb small particles and organic volatile matters in the oil mist, and further improves the purification effect of the device, the integration degree of the device is high, the combination is flexible, and the device is practical.

[0024] 3. The high negative pressure oil mist collecting device, the flow guide along the inner wall of the groove body can guide the collected oil mist droplets to flow smoothly to the bottom of the groove body, avoid the accumulation or backflow of the droplets on the groove wall, improve the collection efficiency and recovery effect of the oil mist, and the air inlet holes on the outer side of the groove body are arranged below the flow guide along, which not only ensures that the air can smoothly pass through the collecting groove, maintains the air circulation and negative pressure state in the device, but also prevents the oil mist droplets from overflowing from the air inlet holes, further improves the reliability and stability of the device, and makes the collecting groove better play its role of collecting and storing oil mist, thereby providing important guarantee for the efficient operation of the whole high negative pressure oil mist collecting device. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a three-dimensional structure diagram of the utility model Figure 1 ;

[0026] Figure 2 It is a three-dimensional structure diagram of the utility model Figure 2 ;

[0027] Figure 3 It is a fan and collecting box split structure diagram of the utility modelFigure 1 ;

[0028] Figure 4 This is a schematic diagram of the disassembled structure of the fan and collection box of this utility model. Figure 2 ;

[0029] Figure 5 This is a schematic diagram of the disassembled structure of the filter box 2 and the placement frame of this utility model. Figure 1 ;

[0030] Figure 6 This is a schematic diagram of the disassembled structure of the filter box 2 and the placement frame of this utility model. Figure 2 ;

[0031] Figure 7 This is an enlarged structural schematic diagram of the collection tank of this utility model.

[0032] The components are as follows: 1. Fan; 2. Controller; 3. Pulley; 4. Collection box; 5. Filter box one; 6. Filter box two; 601. Box body; 602. Lock; 603. Lock head; 604. Hook; 605. Sealing edge; 606. Placement ring seat; 607. Support ring seat; 608. Door; 609. Sealing gasket; 610. Lock plate; 7. Collection trough; 701. Tank body; 702. Guide edge; 703. Vent; 8. Filter one; 9. Filter two; 10. Placement frame; 1001. Frame body; 1002. Handle; 11. Cover; 12. Connecting flange. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Example 1: As Figures 1-7 As shown, the present invention provides a high negative pressure oil mist collection device, including a fan 1, a controller 2 at the front end of the fan 1, a pulley 3 fixedly connected to the lower end of the fan 1, a collection box 4 at the upper end of the fan 1, a filter box 5 at the upper end of the collection box 4, a filter box 6 at the upper end of the filter box 5, a collection trough 7 inside the collection box 4, a filter 8 inside the filter box 5, a filter 9 inside the filter box 6, a placement frame 10 fixedly connected to the upper end of the filter 9, a cover 11 at the upper end of the filter box 6, and a connecting flange 12 fixedly connected to the upper end of the cover 11.

[0035] The filter box two 6 comprises a box body 601, a lock catch 602, a lock head 603, a blocking hook 604, a sealing edge 605, a placing ring seat 606, a supporting ring seat 607, a sealing door 608, a sealing gasket 609 and a lock plate 610, the box body 601 is fixedly connected with the lock catch 602 and the lock head 603 at both sides, the box body 601 is fixedly connected with the blocking hook 604 at the front end, the box body 601 is fixedly connected with the sealing edge 605 and the placing ring seat 606 at the upper end, the box body 601 is fixedly connected with the supporting ring seat 607 on the inner wall, the box body 601 is rotatably connected with the sealing door 608 at the front end, the sealing door 608 is fixedly connected with the sealing gasket 609 at the rear end, and the sealing door 608 is rotatably connected with the lock plate 610 at the front end.

[0036] The placing frame 10 comprises a frame body 1001 and a handle 1002, and the handle 1002 is rotatably connected to the inner wall of the frame body 1001.

[0037] Specifically, the filter box two 6 has the same structure as the collecting box 4 and the filter box one 5, and a through groove is formed in the lower end of the box body 601. The unified structure design makes the production and manufacturing of the device more convenient, reduces the production cost, and has strong versatility due to the modular design, and can be freely combined according to the needs.

[0038] Specifically, the filter one 8 and the filter two 9 are fixedly connected with the placing frame 10, and the inner diameter of the box body 601 is the same as the outer diameter of the sealing edge 605. The design that the inner diameter of the box body 601 is the same as the outer diameter of the sealing edge 605 enables the sealing edge 605 to tightly fit at the upper end opening of the box body 601, effectively preventing oil mist from leaking from the connection, improving the sealing performance of the device and reducing the pollution of oil mist to the surrounding environment.

[0039] Embodiment two: as shown in the figure, which is an improvement on the previous embodiment. Figures 2-7

[0040] Specifically, the distance between the placing ring seat 606 and the supporting ring seat 607 is equal to the thickness of the frame body 1001, and the frame body 1001 is slidingly connected with the placing ring seat 606 and the supporting ring seat 607. The placing ring seat 606 and the supporting ring seat 607 are provided, and when the filter box two 6 and the filter two 9 are combined, the sealing door 608 can be opened, and the placing frame 10 can be inserted between the placing ring seat 606 and the supporting ring seat 607 from the front end of the box body 601, or the placing frame 10 can be placed on the upper end of the placing ring seat 606 when the filter box two 6 and the sealing cover 11 are separated, so that the combination mode is various and the adaptation is flexible.

[0041] ​Specifically, the blocking hook 604 is matched with the lock plate 610, the lock head 603 is matched with the lock head 603, the lock head 603 is matched with the lock head 603 in a snap connection, the fan 1 is fixedly connected with the lock catch 602 on both sides, and the cover 11 is fixedly connected with the lock head 603 on both sides. The advantages are that the blocking hook 604 and the lock plate 610 are arranged, the placing frame 10 can be inserted from the front end of the box body 601 after being placed, the closing door 608 can be closed by rotating, the closing door 608 is closed with the box body 601 by inserting the lock plate 610 into the lock head 603, the gap is sealed by the sealing gasket 609, leakage is avoided, oil mist leakage from the closing door 608 is effectively prevented, the sealing performance and safety of the device are ensured, the connection between the fan 1 and the filter box two 6 and between the cover 11 and the filter box two 6 through the lock catch 602 and the lock head 603 not only facilitates the assembly and disassembly of each component and the maintenance and overhaul of the equipment, but also has a modular design, and a proper number of filter boxes can be arranged according to requirements, and the use flexibility is high.

[0042] Specifically, the collecting groove 7 includes a groove body 701, a flow guide edge 702 and a ventilation hole 703, the flow guide edge 702 is arranged on the inner wall of the groove body 701, the ventilation hole 703 is arranged on the outer side of the groove body 701, and the ventilation hole 703 is arranged below the flow guide edge 702. The advantages are that the flow guide edge 702 on the inner wall of the groove body 701 can guide the collected oil mist droplets to flow smoothly to the bottom of the groove body 701, avoid accumulation or backflow of the droplets on the groove wall, improve the collection efficiency and recovery effect of the oil mist, the ventilation hole 703 on the outer side of the groove body 701 is arranged below the flow guide edge 702, which not only ensures that air can smoothly pass through the collecting groove 7, maintains the air circulation and negative pressure state in the device, but also prevents oil mist droplets from overflowing from the ventilation hole 703, further improves the reliability and stability of the device, and makes the collecting groove 7 better play its role of collecting and storing oil mist, thereby providing an important guarantee for the efficient operation of the entire high negative pressure oil mist collecting device.

[0043] Specifically, the filter one 8 is made of activated carbon material, and the filter two 9 is made of inorganic fiber filter cotton. The advantages are that the filter two 9 is made of inorganic fiber filter cotton, has high filtering precision and pollution capacity, can effectively intercept larger particle impurities in the oil mist, and preliminarily purify the air entering the device, the filter one 8 is made of activated carbon material, the activated carbon has rich pore structure and large specific surface area, can adsorb small particles and organic volatile substances in the oil mist, further improves the purification effect of the device, reduces the pollutant content in the exhaust gas, meets more stringent environmental protection requirements, and makes the gas treated by the device cleaner and safer, which is beneficial to protecting the surrounding environment and the health of the operating personnel.

[0044] Working principle: when assembling, the filter box two 6 and the filter two 9 are combined, the sealing door 608 can be opened, the placing frame 10 is inserted between the placing ring seat 606 and the supporting ring seat 607 from the front end of the box body 601, or the placing frame 10 is placed on the upper end of the placing ring seat 606 when the filter box two 6 and the cover 11 are separated, the combination mode is various, the adaptation is flexible, the stopper 604 and the lock plate 610 are arranged, when the placing frame 10 is inserted from the front end of the box body 601, the sealing door 608 can be closed by rotating, the lock plate 610 is inserted into the lock head 603, the sealing door 608 is closed with the box body 601, the gap is sealed by the sealing gasket 609, leakage is avoided, the oil mist is effectively prevented from leaking from the sealing door 608, and the sealing property and safety of the device are ensured; when in use, the device starts the fan 1 through the controller 2 at the front end of the fan 1, the fan 1 operates to generate a high negative pressure environment, at this time, the external oil mist containing air is sucked into the inside of the device through the connecting flange 12 and the extraction pipe under the action of negative pressure, the oil mist containing air first enters the filter box two 6, the filter two 9 in the box body 601 preliminarily processes it, the filter two 9 is made of inorganic fiber filter cotton, can effectively intercept larger particle impurities in the oil mist, preliminarily purify the air entering the device, the air processed by the filter two 9 continues to flow downward and enters the filter box one 5, the filter one 8 in the filter box one 5 is made of activated carbon material, the activated carbon has rich pore structure and large specific surface area, can adsorb small particles and organic volatile matters in the oil mist, further improves the purification effect of the device, the air after two-stage filtration continues to flow downward into the collection box 4, the air permeation hole 703 outside the tank body 701 ensures that the air can smoothly pass through the collection tank 7, maintains the airflow circulation and negative pressure state in the inside of the device, the flow guide along 702 on the inner wall of the tank body 701 guides the collected oil mist droplets to smoothly flow to the bottom of the tank body 701, avoids accumulation or backflow of the droplets on the tank wall, improves the collection efficiency and recovery effect of the oil mist, effectively prevents the oil mist droplets from overflowing from the air permeation hole 703, ensures the reliability and stability of the device, and makes the collection tank 7 better collect and store the oil mist.

[0045] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the range of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high negative pressure oil mist collection device comprising a fan (1), characterized in that: The fan (1) front end is provided with a controller (2), the fan (1) lower end is fixedly connected with a pulley (3), the fan (1) upper end is provided with a collection box (4), the collection box (4) upper end is provided with filter box one (5), the filter box one (5) upper end is provided with filter box two (6), the collection box (4) inside is provided with a collection groove (7), the filter box one (5) inside is provided with filter one (8), the filter box two (6) inside is provided with filter two (9), the filter two (9) upper end is fixedly connected with the placement frame (10), the filter box two (6) upper end is provided with a cover (11), the cover (11) upper end is fixedly connected with a connecting flange (12). The filter box two (6) includes a box body (601), a lock catch (602), a lock head (603), a blocking hook (604), a sealing edge (605), a placement ring seat (606), a support ring seat (607), a sealing door (608), a sealing gasket (609) and a lock plate (610), the box body (601) is fixedly connected with a lock catch (602) and a lock head (603) on both sides, the box body (601) is fixedly connected with a blocking hook (604) at the front end, the box body (601) is fixedly connected with a sealing edge (605) and a placement ring seat (606) at the upper end, the box body (601) is fixedly connected with a support ring seat (607) on the inner wall, the box body (601) is rotatably connected with a sealing door (608) at the front end, the sealing door (608) is fixedly connected with a sealing gasket (609) at the rear end, and the sealing door (608) is rotatably connected with a lock plate (610) at the front end. The placement frame (10) includes a frame body (1001) and a handle (1002), and the handle (1002) is rotatably connected to the inner wall of the frame body (1001).

2. A high negative pressure oil mist collection device according to claim 1, wherein: The filter box two (6) is the same structure as the collection box (4) and the filter box one (5), and a through groove is formed in the lower end of the box body (601).

3. A high negative pressure oil mist collection device according to claim 1, wherein: The filter one (8) and the filter two (9) are fixedly connected with the placement frame (10), and the inner diameter of the box body (601) is the same as the outer diameter of the sealing edge (605).

4. A high negative pressure oil mist collection device according to claim 1, wherein: The distance between the placement ring seat (606) and the support ring seat (607) is equal to the thickness of the frame body (1001), and the frame body (1001) is slidably connected with the placement ring seat (606) and the support ring seat (607).

5. A high negative pressure oil mist collection device according to claim 1, wherein: The blocking hook (604) is matched with the lock plate (610), the lock head (603) is matched with the lock head (603), the lock head (603) is snap connected with the lock head (603), the fan (1) is fixedly connected with a lock catch (602) on both sides, and the cover (11) is fixedly connected with a lock head (603) on both sides.

6. A high negative pressure oil mist collection device according to claim 1, wherein: The collection groove (7) includes a groove body (701), a flow guide edge (702) and a ventilation hole (703), the flow guide edge (702) is arranged on the inner wall of the groove body (701), and the ventilation hole (703) is formed in the outer side of the groove body (701), and the ventilation hole (703) is arranged below the flow guide edge (702).

7. A high negative pressure oil mist collection device according to claim 1, wherein: The filter one (8) is made of activated carbon material, and the filter two (9) is made of inorganic fiber filter cotton.

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