CN214288801U

CN214288801U - Oil fume purifier for die casting machine

Info

Publication number: CN214288801U
Application number: CN202023102063.8U
Authority: CN
Inventors: 钱振清; 季凯
Original assignee: Jiangsu Polygee Ep Technology Co ltd
Current assignee: Jiangsu Polygee Ep Technology Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-09-28
Anticipated expiration: 2030-12-21

Abstract

The utility model relates to an oil fume purifier for a die casting machine, which comprises a shell, an air inlet cavity, a processing cavity and an exhaust cavity, wherein a fan is arranged in the exhaust cavity, and a first aluminum honeycomb intercepting net, an electrostatic dust collection group and a second aluminum honeycomb intercepting net are sequentially arranged in the processing cavity from bottom to top; a plurality of air inlets are formed in the side surface of the air inlet cavity; an air inlet bin is arranged at one air inlet, and the rest air inlets are shielded by a cover plate; a plurality of arc-shaped air deflectors are arranged in the air inlet cavity, and the opening directions of the arc-shaped air deflectors face the air inlet bin and are obliquely arranged from top to bottom. The direction of the arc-shaped air deflector is used for changing the direction of the entering gas, so that the efficiency is improved, the first aluminum honeycomb intercepting net can intercept large granular substances and can also homogenize the gas, and the second aluminum honeycomb intercepting net is used for homogenizing the gas again so that the gas in the treatment cavity can be uniformly distributed as much as possible; the air inlet is provided with a plurality of air inlets, so that the air inlet is more adaptive to various installation environments, and the structure is simple and the use is convenient.

Description

Oil fume purifier for die casting machine

Technical Field

The utility model relates to an exhaust purification technique of die-casting trade especially relates to an oil smoke clarifier for die-casting machine.

Background

At present, the common die casting processes in the die casting industry include hot chamber die casting and cold chamber die casting, wherein the hot chamber die casting is to cut metal into powder, preheat the powder and inject the powder into a die for die casting, and the cold chamber die casting is to inject liquid metal serving as a raw material into the die for die casting; during the die casting process, smoke, heat, dust and the like are generated, the waste gas and the smoke contain various metal oxides and non-metal oxides which are discharged in a granular form, such as metal and partial metal oxides of Mg, Zn, Ca, Al, Fe, Na, K and the like, and the direct discharge can cause pollution to the environment.

At present, the purification is usually carried out by adopting an adsorption method and an absorption method, the adsorption method is usually realized by adopting a physical filter and is filtered by using carbon, the absorption method is usually carried out by reacting with various substances in the waste gas in a chemical mode for removal, and the two modes both need consumables and have higher long-term operation cost; at present, some manufacturers adopt an electrostatic dust removal mode to carry out, the consumption of consumables is basically avoided during the benefit of electrostatic dust removal, the cost is greatly reduced, but the existing electrostatic dust removal has a large and complex structure, and therefore the cost is high.

Disclosure of Invention

The utility model aims to solve the technical problem that a lower oil smoke clarifier of die-casting machine of simple structure and cost consumption is provided.

The utility model provides a technical scheme that its technical problem adopted is: an oil fume purifier for a die casting machine comprises a shell, an air inlet cavity arranged at the bottom of the shell, a treatment cavity arranged above the air inlet cavity, and an air exhaust cavity arranged above the treatment cavity, wherein a fan is arranged in the air exhaust cavity, and a first aluminum honeycomb intercepting net, an electrostatic dust collection group and a second aluminum honeycomb intercepting net are sequentially arranged in the treatment cavity from bottom to top; a plurality of air inlets are formed in the side surface of the air inlet cavity; an air inlet bin is arranged at one of the air inlets, and the rest of the air inlets are shielded by a cover plate; the air inlet cavity is internally provided with a plurality of arc-shaped air deflectors, and the opening directions of the arc-shaped air deflectors face the air inlet bin and are obliquely arranged from top to bottom.

Further specifically, the arc-shaped air deflector sequentially comprises an air guiding section, an arc-shaped section and an air equalizing section according to the air inlet sequence, and a plurality of vent holes are formed in the air equalizing section.

Further specifically, the air inlet bin is provided with an inlet and an outlet, and the outlet is connected with an air inlet of the air inlet cavity.

More specifically, an inclined plane for changing the wind direction is arranged in the air inlet bin.

More specifically, the included angle between the inclined plane and the horizontal direction is 20 degrees.

More specifically, the inclined arrangement angle of the plurality of arc-shaped air deflectors is consistent with the inclined plane angle.

More specifically, at least two first aluminum honeycomb intercepting nets are provided.

More specifically, the electrostatic dust collection groups are provided with two groups.

Further specifically, a steel wire protective net is arranged at an air outlet of the air exhaust cavity, and a porous plate is arranged on the steel wire protective net.

Further specifically, the shell is composed of a shell body and a door body, the door body comprises a first door body and a second door body, the first door body seals the processing cavity, and the second door body seals the air exhaust cavity.

The utility model has the advantages that: after the structure is adopted, the direction of the inlet gas is changed by using the direction of the arc-shaped air deflector, so that the efficiency is improved, the first aluminum honeycomb intercepting net can intercept large granular substances and can also homogenize the gas, and the second aluminum honeycomb intercepting net is adopted to homogenize the gas again so that the gas in the treatment cavity can be uniformly distributed as much as possible; set up a plurality of air intakes, select according to spatial structure in the installation, the multiple installation environment of adaptation more improves application scope, simple structure convenient to use simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic structural view of the arc-shaped air deflector of the present invention.

In the figure: 1. a housing; 2. an air inlet cavity; 3. a treatment chamber; 4. an exhaust chamber; 5. a fan; 6. a first aluminum honeycomb intercepting network; 7. an electrostatic dust collection group; 8. a second aluminum honeycomb intercepting network; 9. an air inlet bin; 10. a first door body; 11. a second door body; 12. a steel wire protective net; 21. an arc-shaped air deflector; 211. an air guide section; 212. an arc-shaped section; 213. a wind equalizing section; 214. a vent hole; 91. an inlet; 92. an outlet; 93. a bevel.

Detailed Description

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the oil fume purifier for the die casting machine comprises a housing 1, an air inlet cavity 2 arranged at the bottom of the housing 1, a processing cavity 3 arranged above the air inlet cavity 2, and an air exhaust cavity 4 arranged above the processing cavity 3, wherein a fan 5 is arranged in the air exhaust cavity 4, the housing 1 can be made into a cuboid or a cylinder shape according to needs, in the scheme, a cuboid form is adopted, and a first aluminum honeycomb intercepting net 6, an electrostatic dust collection group 7 and a second aluminum honeycomb intercepting net 8 are sequentially arranged in the processing cavity 3 from bottom to top; a plurality of air inlets are arranged on the side surface of the air inlet cavity 2; an air inlet bin 9 is arranged at one air inlet, the other air inlets are shielded by a cover plate, a plurality of arc-shaped air deflectors 21 are arranged in an air inlet cavity 2, the opening directions of the arc-shaped air deflectors 21 face the air inlet bin 9 and are obliquely arranged from top to bottom, waste gas generated in a die casting machine enters the air inlet cavity 2 through the air inlet bin 9, then a fan 5 arranged in an exhaust cavity 4 rotates to enable the waste gas to move upwards from the bottom, the gas firstly passes through the arc-shaped air deflectors 21 and changes the direction of the gas entering from the side at the position of the arc-shaped air deflectors 21, so that the impact of the gas on the side wall can be prevented, and then the larger-particle dust in the waste gas is intercepted through a first aluminum honeycomb intercepting net 6, meanwhile, the first aluminum honeycomb intercepting net 6 also has the function of enabling the gas to be uniformly distributed in the air inlet cavity 2, and the waste gas enters an electrostatic dust collection group 7 after passing through the first aluminum honeycomb intercepting net 6, make oil smoke and the dust of tiny granule adhere to on electrostatic precipitation group 7 through electrostatic precipitation's mode, later waste gas continues upwards to move and reaches second aluminium system honeycomb intercepting net 8, owing to there is the interception effect here, can further improve the interception effect, make waste gas simultaneously can evenly pass through this second aluminium system honeycomb intercepting net 8, guarantee that the velocity of flow through each part of the gas in electrostatic precipitation group 7 is unanimous basically, later the waste gas through handling becomes clean gas, later fan 5 with this clean gas take out to air exhaust chamber 4 arrange to the atmosphere can.

Based on the structure, the arc-shaped air deflector 21 sequentially comprises an air guide section 211, an arc-shaped section 212 and an air equalizing section 213 according to the sequence of air inlet, the air guide section 211 inclines downwards to enable air to enter and enable the air to enter according to a specific direction, the direction of the air entering the air guide section 21 is further changed through combination of the air guide sections 211 of the arc-shaped air deflectors 21, the arc-shaped section 212 is used for changing the wind direction, the air equalizing section 213 can be arranged or not arranged, when the air equalizing section 213 is arranged, a plurality of vent holes 214 are formed in the air equalizing section 213, and the air can pass through the vent holes 214 upwards to achieve an equalizing effect.

In order to further improve the effect of homogenizing gas in the gas inlet process, the number of the first aluminum honeycomb intercepting nets 6 is at least two, and the two first aluminum honeycomb intercepting nets are adopted in the scheme, so that the flow speed of waste gas is not influenced, the homogenizing effect can be achieved, and the more the first aluminum honeycomb intercepting nets 6 are, the smaller the wind speed is, and the efficiency of purification treatment is not facilitated.

Because the die casting machine has the difference to its concentration that produces waste gas of different materials, sets up multiunit electrostatic precipitator group 7 as required in the waste gas flow direction, adopts two sets of treatments that can realize most of waste gases in this scheme.

An inlet 91 and an outlet 92 are arranged on the air inlet bin 9, and the outlet 92 is connected with an air inlet; an inclined plane 93 for changing the wind direction is arranged in the air inlet bin 9, and waste gas moves vertically downwards from an inlet to meet the inclined plane 93 and then changes the direction to enter the air inlet cavity 2 from an air inlet, so that the waste gas is favorably and uniformly distributed in the air inlet cavity 2; furthermore, the included angle between the inclined plane 93 and the horizontal direction is 20 degrees, when the inclined plane is 20 degrees, the waste gas which is vertically downward meets the inclined plane 93 and then enters the air inlet cavity 2 obliquely upward, and meanwhile, the angle of the inclined arrangement of the arc-shaped air deflectors 21 is ensured to be consistent with the angle of the inclined plane 93, so that the flow speed of the waste gas can be accelerated, and the efficiency is improved.

The air outlet of the air exhaust cavity 4 is provided with a steel wire protective net 12, the steel wire protective net 12 is provided with a porous plate, and large objects such as leaves and branches can be prevented from falling into the porous plate.

Meanwhile, in order to facilitate installation and maintenance, the shell 1 consists of a shell and a door body, the door body comprises a first door body 10 and a second door body 11, the first door body 10 seals the treatment cavity 3, and the second door body 11 seals the exhaust cavity 4; two openings are formed in the positions of the treatment cavity 3 and the exhaust cavity 4 on the shell, a first door body 10 and a second door body 11 are respectively arranged at the two openings, and the first door body 10 can be opened to install, maintain, clean or replace the first aluminum honeycomb intercepting net 6, the electrostatic dust collection group 7 and the second aluminum honeycomb net 8; the fan 5 can be maintained, installed or replaced by opening the second door body 11; the operation is convenient.

Water can be contained in the air inlet cavity 2, a water outlet is formed in the bottom of the air inlet cavity 2, meanwhile, the bottom of the air inlet cavity 2 is ensured to be inclined, and the water can smoothly flow into the water outlet; the exhaust gas contacting the water can absorb a portion of the particulate matter to reduce the pressure of the upper purge.

In order to facilitate cleaning, a spraying assembly can be arranged at the electrostatic dust collection group 7, the electrostatic dust collection group 7 is sprayed by high-pressure water to wash away dust and impurities attached to the electrostatic dust collection group, and the spraying assemblies can be arranged at the first aluminum honeycomb interception net 6 and the second aluminum honeycomb interception net 8 and can also be detached for cleaning.

In conclusion, after the structure is adopted, the purpose of intercepting large granular substances and homogenizing gas can be achieved by using the first aluminum honeycomb intercepting net 6, and the gas in the treatment cavity can be uniformly distributed as much as possible by homogenizing the gas again by using the second aluminum honeycomb intercepting net 8; set up a plurality of air intakes, select according to spatial structure in the installation, the multiple installation environment of adaptation more improves application scope, simple structure convenient to use simultaneously.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. An oil fume purifier for a die casting machine comprises a shell (1), an air inlet cavity (2) arranged at the bottom of the shell (1), a treatment cavity (3) arranged above the air inlet cavity (2), and an exhaust cavity (4) arranged above the treatment cavity (3), wherein a fan (5) is arranged in the exhaust cavity (4), and the oil fume purifier is characterized in that a first aluminum honeycomb intercepting net (6), an electrostatic dust collection group (7) and a second aluminum honeycomb intercepting net (8) are sequentially arranged in the treatment cavity (3) from bottom to top; a plurality of air inlets are formed in the side surface of the air inlet cavity (2); an air inlet bin (9) is arranged at one of the air inlets, and the rest air inlets are shielded by a cover plate; a plurality of arc-shaped air deflectors (21) are arranged in the air inlet cavity (2), and the opening directions of the arc-shaped air deflectors (21) face the air inlet bin (9) and are obliquely arranged from top to bottom.

2. The oil fume purifier for the die casting machine according to claim 1, wherein the arc-shaped air deflector (21) comprises an air guiding section (211), an arc-shaped section (212) and an air equalizing section (213) in sequence according to the air inlet sequence, and a plurality of vent holes (214) are formed in the air equalizing section (213).

3. The oil fume purifier for the die casting machine according to claim 1, wherein the air inlet chamber (9) is provided with an inlet (91) and an outlet (92), and the outlet (92) is connected with an air inlet of the air inlet chamber (2).

4. The fume purifier for die casting machine according to claim 3, wherein a slope (93) for changing wind direction is provided in said air intake compartment (9).

5. The fume purifier for die casting machine according to claim 4, wherein said inclined surface (93) is inclined at an angle of 20 ° to the horizontal.

6. The soot cleaner as claimed in claim 4 or 5, wherein said plurality of arc-shaped air deflectors (21) are arranged in an inclined manner at an angle corresponding to the angle of the inclined surface.

7. The fume purifier for die casting machines of claim 1, wherein there are at least two of said first aluminum honeycomb intercepting screens (6).

8. The fume purifier for die casting machines according to claim 1, wherein said electrostatic precipitator sets (7) are provided in two sets.

9. The oil fume purifier for the die casting machine according to claim 1, wherein a steel wire protective screen (12) is provided at the air outlet of the exhaust chamber (4), and a porous plate is provided on the steel wire protective screen (12).

10. The oil fume purifier for the die casting machine according to claim 1, wherein the housing (1) is composed of a shell body and door bodies, the door bodies comprise a first door body (10) and a second door body (11), the first door body (10) seals the processing chamber (3), and the second door body (11) seals the exhaust chamber (4).