CN220531892U - Smoke exhaust device for injection molding machine - Google Patents

Abstract

The application relates to a fume extractor for injection molding machine belongs to the flue gas treatment field, a fume extractor for injection molding machine, including the gas collecting channel, fixedly connected with gas-supply pipe on the gas collecting channel, fixedly connected with fan in the gas-supply pipe, gas-supply pipe keep away from gas collecting channel one end fixedly connected with flue gas treatment room, are equipped with plasma treatment subassembly in the flue gas treatment room. The injection molding flue gas is sucked into the gas transmission pipe by the fan, greasy dirt and difficultly filtered pollutant in the flue gas are adsorbed in the flue gas treatment chamber, and the plasma treatment assembly reacts with the pollutant and hydrocarbon to separate the pollutant from the flue gas, so that the content of the greasy dirt and the difficultly filtered pollutant in the injection molding flue gas discharged to the environment is effectively reduced, and the pollution of an injection molding factory to the surrounding air environment is reduced.

Description

Smoke exhaust device for injection molding machine

Technical Field

The application relates to the field of flue gas treatment, in particular to a smoke exhaust device for an injection molding machine.

Background

The injection molding is a process commonly used in modern plastic processing production, rubber injection molding and plastic injection molding are generally used for products, a large amount of yellow smoke is generated in the injection molding process, the main components of the smoke are hydrocarbon waste gas and oil-containing waste gas, the smoke contains a certain odor and has a small amount of dust, a large amount of operators are required in an injection molding site due to low economic added value of the products, most of the waste gas can be exposed to the air, the operators work in such an environment for a long time, and the respiratory system and eyes of a human body are stimulated and damaged to a certain extent, so that an injection molding waste gas treatment system can be matched with an injection molding workshop.

At present, most of waste gas treatment systems in injection molding workshops mainly adopt filtration and adsorption, and hydrocarbon and greasy dirt in flue gas cannot be properly treated and are directly discharged into the air, so that the chemical substances in the air can cause great harm to the health of surrounding residents.

Disclosure of Invention

In order to treat hydrocarbons and greasy dirt in injection molding flue gas, the application provides a fume extractor for injection molding machine.

The smoke exhaust device for the injection molding machine comprises a gas collecting hood, wherein a gas transmission pipe is fixedly connected to the gas collecting hood, a fan is fixedly connected to the gas transmission pipe, a smoke treatment chamber is fixedly connected to one end, away from the gas collecting hood, of the gas transmission pipe, and a plasma treatment assembly is arranged in the smoke treatment chamber.

Through adopting above-mentioned technical scheme, the gas transmission pipe is inhaled by the fan to the flue gas of moulding plastics, and greasy dirt and the difficult filterable pollutant of flue gas are in the flue gas treatment room, and the plasma treatment subassembly adsorbs the greasy dirt to take place the reaction with pollutant and hydrocarbon and make its and flue gas separation, effectively reduced the greasy dirt and the difficult filterable pollutant content in the flue gas of moulding plastics of emission to the environment, reduced the pollution of injection molding factory to the surrounding air environment.

Optionally, the gas-collecting channel is bottom open-ended funnel form, and the gas-collecting channel is close to a set of equal fixedly connected with collecting plate on a set of opposite sides of injection molding machine one side, and the region constitutes the oil collecting tank between collecting plate and the gas-collecting channel, is equipped with the filter plate of arcuation in the oil collecting tank, and the filter plate is to keeping away from injection molding machine one side protrusion, has seted up a plurality of air vents on the filter plate.

Through adopting above-mentioned technical scheme, flue gas gets into the gas-supply pipe through the air vent, and the filter plate carries out primary filtration to the flue gas of moulding plastics, and great particulate matter and greasy dirt adhere on the filter plate, and partial greasy dirt can slide to the oil collecting tank along the filter plate because of the action of gravity in, release the filter plate to keeping away from oil collecting tank one side, until the filter plate shifts out the oil collecting tank completely, exerts the effort to the centre to the filter plate both ends, and the filter plate can be taken out to vertical downwardly shift out the filter plate, washs change process easy operation.

Optionally, the gas-supply pipe is including first horizontal pipeline, second horizontal pipeline and vertical pipeline, and vertical pipeline both ends are connected with first horizontal pipeline and second horizontal pipeline through the flange respectively, and the one end that vertical pipeline was kept away from to first horizontal pipeline is connected with the gas-collecting channel, and vertical pipeline one end is kept away from to the second horizontal pipeline is connected with the flue gas treatment room.

Through adopting above-mentioned technical scheme, can dismantle the separation with the gas-supply pipe fast, wash the gas-supply pipe inner wall, easy operation, and promoted the life of gas-supply pipe, flange joint department presss from both sides tightly has the gasket can effectively guarantee the gas tightness of device.

Optionally, the fan sets up in first horizontal pipeline, still fixedly connected with fixed frame in the first horizontal pipeline, and fixed frame is located the fan and keeps away from the one side of gas collecting channel, still is equipped with the guide plate that a plurality of slopes set up in the fixed frame.

By adopting the technical scheme, turbulent smoke sucked by the fan is stably and evenly guided by the guide plate and then stably acted, so that the stability of the gas transmission pipe is improved.

Optionally, still be provided with detachable filter frame in the first horizontal pipeline, filter frame is located the fixed frame and keeps away from the one side of gas collecting channel, fixedly connected with filter cloth in the filter frame, is provided with the same filter frame of structure in the second horizontal pipeline, is located fixedly connected with active carbon filter screen on the filter frame of second horizontal pipeline.

Through adopting above-mentioned technical scheme, the filter screen can filter the tiny dust particle in the flue gas, and the active carbon filter screen can filter the harmful substance in the flue gas, can also adsorb the peculiar smell in the flue gas, and filter screen and active carbon filter screen all set up to detachable construction, are convenient for change and clean, promote the holistic filter effect of gas-supply pipe.

Optionally, a plurality of ultraviolet germicidal lamps are fixedly connected to the top of the flue gas treatment chamber.

By adopting the technical scheme, the ultraviolet sterilizing lamp can kill bacteria in the smoke.

Optionally, a plurality of air outlet nozzles are arranged on the air pipe in the flue gas treatment chamber, the plasma treatment assembly is positioned below the air outlet nozzles and comprises a vertically arranged mounting plate, and a plurality of anode plates and cathode rods are distributed on the mounting plate at intervals.

By adopting the technical scheme, the greasy dirt in the flue gas is adsorbed on the anode plate and flows to the bottom of the flue gas treatment chamber, and other pollutants in the flue gas which are not filtered and adsorbed react with ozone on the cathode rod and are converted into substances such as carbon dioxide and the like to be discharged.

Optionally, the flue gas treatment room bottom is equipped with a plurality of oil-outs, and every oil-out below all is equipped with the oil-collecting plate, and the oil-collecting plate is protruding to the one side that keeps away from the flue gas treatment room gradually from both sides to centre, and the oil-collecting plate passes through bolted connection on the outer wall of flue gas treatment room.

Through adopting above-mentioned technical scheme, the greasy dirt of drip on the anode plate is discharged through the oil-out to collect by the oil collecting plate, the oil collecting plate passes through bolted connection on the outer wall of flue gas treatment room, and convenient to detach oil collecting plate emptys the greasy dirt in the oil collecting plate, has promoted the indoor environmental condition of flue gas treatment.

In summary, the present application includes at least one of the following beneficial effects:

1. the plasma treatment component can effectively filter out most suspended solid particles, greasy dirt and other impurities in injection molding smoke;

2. the fume treatment chamber is provided with an oil outlet, so that oil stains are not easy to accumulate in the equipment, and the maintenance and cleaning times are reduced;

3. turbulent smoke sucked by the fan enters a subsequent flow path in a stable laminar state under the flow guiding effect of the guide plate, so that the safety of the device is effectively improved.

Drawings

Fig. 1 is an overall structural diagram of an embodiment of the present application.

Fig. 2 is an internal structural diagram of an embodiment of the present application.

Fig. 3 is an internal block diagram of a fume treatment chamber according to an embodiment of the present application.

Reference numerals illustrate: 1. a gas collecting hood; 11. a collection plate; 12. an oil sump; 13. a filter plate; 131. a vent hole; 2. a gas pipe; 21. a first horizontal pipe; 22. a second horizontal pipe; 23. a vertical pipe; 24. a gasket; 25. a blower; 26. a fixed frame; 261. a deflector; 27. a filter frame; 271. a filter cloth; 272. a baffle; 3. a flue gas treatment chamber; 31. an air outlet nozzle; 32. a plasma processing assembly; 321. a mounting plate; 3211. an anode plate; 3212. a cathode rod; 33. an ultraviolet germicidal lamp; 34. an oil outlet; 35. an oil collecting plate; 351. a mounting plate; 4. and an air outlet pipe.

Detailed Description

The present application is described in further detail below in conjunction with fig. 1-3.

The embodiment of the application discloses fume extractor for injection molding machine, as shown in fig. 1 and 2, fume extractor for injection molding machine is including gas collecting channel 1, gas collecting channel 1 is located directly over the injection molding machine, gas collecting channel 1 is bottom open-ended funnel form, gas collecting channel 1 is rectangular near injection molding machine one side, shrink gradually to keeping away from injection molding machine one side, a set of equal fixedly connected with L type's collecting plate 11 on the opposite side that gas collecting channel 1 is close to injection molding machine one side, collecting plate 11 is located the inside of gas collecting channel 1, and set up relatively, the region constitutes oil collecting channel 12 between collecting plate 11 and the gas collecting channel 1, be equipped with curved filter plate 13 in the oil collecting channel 12, filter plate 13 is designed to be flexible and have certain elasticity's material, filter plate 13 is to keeping away from injection molding machine one side protrusion, filter plate 13 one end is pegged graft in oil collecting channel 12 of one side, the other end is pegged graft in another oil collecting channel 12, set up a plurality of rectangular air vent 131 on the filter plate 13, the flue gas is through air vent 131, a set of having stickneads on filter plate 13, and slide to the oil dirt of oil collecting channel 12 along 13, keep away from filter plate 13 to filter plate 13 completely remove filter plate 13 to the oil collecting channel 13 and remove the filter plate 13 to the centre to take out the filter plate 13 and take out the effort to the filter plate 13 completely to the centre, take out the filter plate 13 and remove the filter plate 13 to the vertical edge is perpendicular to the filter plate 13.

As shown in fig. 1 and 2, the gas pipe 2 is fixedly connected above the gas collecting hood 1, one end of the gas pipe 2 is fixedly connected with the gas collecting hood 1, one end of the gas pipe 2 away from the gas collecting hood 1 is fixedly connected with the flue gas treatment chamber 3, the gas pipe 4 for discharging flue gas is fixedly connected with the flue gas treatment chamber 3, the gas pipe 2 comprises a first horizontal pipeline 21, a second horizontal pipeline 22 and a vertical pipeline 23 positioned between the first horizontal pipeline 21 and the second horizontal pipeline 22, one end of the first horizontal pipeline 21 is connected with one end of the vertical pipeline 23 through a flange, one end of the first horizontal pipeline 21 far away from the vertical pipeline 23 is communicated with the gas collecting hood 1, the number of the gas collecting hoods 1 can be set to be multiple, one end of the second horizontal pipeline 22 is connected with the other end of the vertical pipeline 23 through a flange, the other end of the second horizontal pipeline 22 is fixedly connected with the flue gas treatment chamber 3, greasy dirt in flue gas is easy to adhere to corners, the flange connection is convenient to detach and clean, and the flange connection is abutted and clamped with the gasket 24 so as to ensure the air tightness of the device.

As shown in fig. 1 and 2, the fan 25 for sucking the flue gas into the gas pipe 2 is fixedly connected in the first horizontal pipeline 21, the fixing frame 26 is located at one side of the fan 25 away from the gas collecting hood 1, a plurality of inclined guide plates 261 are further arranged in the fixing frame 26, and the flowing and disordered flue gas enters the subsequent treatment process after being guided by the guide plates 261 to be stable, so that the safety of the gas pipe 2 is improved.

As shown in fig. 1 and 2, a detachable filter frame 27 is further disposed in the first horizontal pipeline 21, a filter cloth 271 is fixedly connected in the filter frame 27, the filter frame 27 is located at one side of the fixed frame 26 away from the gas collecting hood 1, an opening is disposed below the first horizontal pipeline 21, the filter frame 27 is inserted into the first horizontal pipeline 21 along the opening, a baffle 272 is fixedly connected to the lower end of the filter frame 27, one side of the baffle 272 close to the first horizontal pipeline 21 is abutted to the outer wall of the first horizontal pipeline 21, the baffle 272 is connected to the outer wall of the first horizontal pipeline 21 through bolts, a filter frame 27 with the same structure is disposed in the second horizontal pipeline 22, an activated carbon filter screen is fixedly connected in the filter frame 27, and the activated carbon filter screen can further filter smoke and adsorb peculiar smell in the smoke.

As shown in fig. 3, one end of the second horizontal pipeline 22 far away from the vertical pipeline 23 goes deep into the flue gas treatment chamber 3, a plurality of air outlet nozzles 31 are formed in the lower side surface of the second horizontal pipeline 22 in the flue gas treatment chamber 3, a plasma treatment assembly 32 is arranged below the air outlet nozzles 31, the plasma treatment assembly 32 comprises a vertically arranged mounting plate 321, a plurality of anode plates 3211 and cathode rods 3212 are distributed on the mounting plate 321 at intervals, the anode plates 3211 and the cathode rods 3212 form a magnetic field, oil dirt and solid particles in the flue gas are separated and adsorbed on the surface of the anode plates 3211, finally fall to the bottom of the flue gas treatment chamber 3 under the action of gravity, the cathode rods 3212 can generate a large amount of electrons, act on pollutants which are not filtered or deposited in the flue gas, enable the pollutants to be ionized rapidly and react with ozone which is ionized in the air, and finally are converted into substances such as carbon dioxide and the like, and the substances are discharged out of the flue gas treatment chamber 3 through the air outlet pipe 4.

As shown in fig. 3, a plurality of ultraviolet germicidal lamps 33 are fixedly connected to the top of the flue gas treatment chamber 3, the ultraviolet germicidal lamps 33 are used for killing bacteria in flue gas, a plurality of oil outlets 34 are arranged at the bottom of the flue gas treatment chamber 3, each oil outlet 34 is matched with an oil collecting plate 35, the oil collecting plates 35 are located at the outer bottom of the flue gas treatment chamber 3, the oil collecting plates 35 are arranged in a V shape, the oil collecting plates 35 protrude towards one side far away from the flue gas treatment chamber 3, a mounting plate 351 is fixedly connected to one side, close to the flue gas treatment chamber 3, of the mounting plate 351, one side, close to the flue gas treatment chamber 3, of the mounting plate 351 is abutted to the outer wall of the flue gas treatment chamber 3, the mounting plate 351 can be connected to the outer wall of the flue gas treatment chamber 3 through bolts, and oil dirt in the oil collecting plates 35 and the oil collecting plates 35 can be conveniently detached.

The implementation principle of the embodiment is that the injection molding machine generates injection molding flue gas, the injection molding flue gas is sucked into the gas collecting hood 1 by the fan 25, viscous substances in the flue gas are adhered to the filter plate 13 in the gas collecting hood 1 and slide into the oil collecting tank 12 along the filter plate 13, the flue gas enters the gas transmission pipe 2, is filtered by the stable diversion effect of the diversion plate 261, flows through the filter cloth 271 and is filtered after being adsorbed by the activated carbon filter screen in the second horizontal pipeline 22, enters the flue gas treatment chamber 3, oil stains in the flue gas are adsorbed on the anode plate 3211 in the flue gas treatment chamber 3 and flow to the bottom of the flue gas treatment chamber 3, the oil stains are collected by the V-shaped oil collecting plate 35, and other pollutants in the flue gas react with ozone on the cathode rod 3212 and are converted into substances such as carbon dioxide and the like to be discharged.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a fume extractor for injection molding machine, includes gas collecting channel (1), its characterized in that: fixedly connected with gas-supply pipe (2) on gas-collecting channel (1), fixedly connected with fan (25) in gas-supply pipe (2), gas-supply pipe (2) keep away from gas-collecting channel (1) one end fixedly connected with flue gas treatment room (3), are equipped with plasma treatment subassembly (32) in flue gas treatment room (3).

2. The smoke evacuation device for an injection molding machine according to claim 1, wherein: the gas collecting hood (1) is in a funnel shape with an opening at the bottom, a group of opposite edges, close to one side of the injection molding machine, of the gas collecting hood (1) are fixedly connected with collecting plates (11), an oil collecting groove (12) is formed between the collecting plates (11) and the gas collecting hood (1), an arc-shaped filter plate (13) is arranged in the oil collecting groove (12), the filter plate (13) protrudes towards one side far away from the injection molding machine, and a plurality of vent holes (131) are formed in the filter plate (13).

3. The smoke evacuation device for an injection molding machine according to claim 1, wherein: the gas pipe (2) comprises a first horizontal pipeline (21), a second horizontal pipeline (22) and a vertical pipeline (23), wherein two ends of the vertical pipeline (23) are connected with the first horizontal pipeline (21) and the second horizontal pipeline (22) through flanges respectively, one end, far away from the vertical pipeline (23), of the first horizontal pipeline (21) is connected with the gas collecting hood (1), and one end, far away from the vertical pipeline (23), of the second horizontal pipeline (22) is connected with the flue gas treatment chamber (3).

4. A smoke extractor for an injection molding machine according to claim 3, wherein: the fan (25) is arranged in the first horizontal pipeline (21), a fixed frame (26) is fixedly connected in the first horizontal pipeline (21), the fixed frame (26) is located at one side, far away from the gas collecting hood (1), of the fan (25), and a plurality of inclined guide plates (261) are further arranged in the fixed frame (26).

5. The smoke exhaust apparatus for an injection molding machine according to claim 4, wherein: still be provided with detachable filter frame (27) in first horizontal pipeline (21), filter frame (27) are located one side that gas collecting channel (1) was kept away from to fixed frame (26), fixedly connected with filter cloth (271) in filter frame (27), be provided with filter frame (27) that the structure is the same in second horizontal pipeline (22), be located on filter frame (27) of second horizontal pipeline (22) fixedly connected with active carbon filter screen.

6. The smoke evacuation device for an injection molding machine according to claim 1, wherein: the top of the flue gas treatment chamber (3) is fixedly connected with a plurality of ultraviolet sterilizing lamps (33).

7. The smoke evacuation device for an injection molding machine according to claim 1, wherein: a plurality of air outlet nozzles (31) are formed in the air delivery pipe (2) in the flue gas treatment chamber (3), the plasma treatment assembly (32) is located below the air outlet nozzles (31), the plasma treatment assembly (32) comprises a vertically arranged mounting plate (321), and a plurality of anode plates (3211) and cathode rods (3212) are distributed on the mounting plate (321) at intervals.

8. The smoke evacuation device for an injection molding machine according to claim 1, wherein: the flue gas treatment chamber (3) bottom is equipped with a plurality of oil-out (34), and every oil-out (34) below all is equipped with oil collecting plate (35), and oil collecting plate (35) are from both sides to centre to the protrusion of one side of keeping away from flue gas treatment chamber (3) gradually, oil collecting plate (35) are on the outer wall of flue gas treatment chamber (3) through bolted connection.