CN217526810U

CN217526810U - High negative pressure filter drum dust removal device

Info

Publication number: CN217526810U
Application number: CN202121837219.9U
Authority: CN
Inventors: 楚孟桥; 何建军
Original assignee: GUANGZHOU LIHUI ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Current assignee: GUANGZHOU LIHUI ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-10-04
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a high negative pressure strains a dust collector. The dust removal device comprises a box body. The bottom of the box body is provided with a dust hopper, the interior of the box body is divided into a clean air chamber and a dirty air chamber by a pattern plate, and the box body is also provided with an air inlet communicated with the dirty air chamber and an air outlet communicated with the clean air chamber. The air inlet is communicated with the dust extraction equipment through an air pipe, and the air outlet is communicated with the negative pressure equipment through an air pipe. And a filter cartridge, a blowing ash removal device and at least one air-locking ash removal device are also arranged in the box body. The utility model adopts the negative pressure equipment to vacuumize to make the interior of the box body run in a high negative pressure mode, so as to suck out bubbles mixed in plastic raw materials in the dust extraction equipment, the box body can keep excellent strength under the ultrahigh negative pressure without deformation, and at least one air-locking dust discharging device is adopted, and the butterfly valve on the box body is alternately opened and closed, thereby realizing air locking and dust discharging; the utility model has the advantages of the dust holding capacity is big, and filter fineness is high, and the automatic jetting deashing need not to change the filter material for a long time, locks the gas in real time and unloads the ash and does not shut down.

Description

High negative pressure filter drum dust removal device

Technical Field

The utility model relates to a dust collector, concretely relates to strain a dust collector, in particular to can independently accomplish a dust removal function's a dust collector is strained to high negative pressure.

Background

The filter cartridge dust remover is generally used for a normal pressure dust removing system (-10000 Pa or less), but is less used for a high pressure dust removing system (-10000 to-50000 Pa), and is less used for an extra-high pressure dust removing system (-50000 to-100000 Pa). Because the bearing negative pressure of the dust catcher is extremely high, extremely high requirements are provided for the structural strength, the sealing performance, the air locking and the dust discharging of the dust catcher.

In the high-temperature extrusion molding process in the injection molding industry, high negative pressure is needed to suck out bubbles mixed in plastic raw materials to enable a finished product to be compact, a vacuum pump and a dust removal mode of sedimentation separation (or cyclone or wet type) are basically adopted, and as a result, the dust removal efficiency is low, a large amount of dust enters the vacuum pump, is mixed and accumulated with hydraulic oil or lubricating oil, the vacuum pump frequently breaks down, and engine oil needs to be frequently replaced. Or simply filtered by the filter element, the filtering precision is difficult to meet the requirement, the filter element is easy to block, the energy consumption is greatly increased, and the filter element needs to be frequently replaced. The vacuum pump suction is adopted in the injection molding industry as a production auxiliary link all the time, and is not regarded as a dust removal system, so that the problem that dust is accumulated in the vacuum pump and is easy to break down exists for a long time.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a high negative pressure filter cartridge dust removing device for solving the problems of filter element blockage and dust discharge of the dust remover under high negative pressure.

The utility model discloses a following technical scheme realizes: a high negative pressure filter cartridge dust removal device comprising: the box, the bottom is equipped with the ash bucket, and internally mounted has the card, the card will the box internal portion separates into air-purifying chamber and dirty air chamber, still be equipped with the air intake of intercommunication dirty air chamber and the air outlet of intercommunication air-purifying chamber on the box. The air inlet is communicated with the dust extraction equipment through an air pipe, and the air outlet is communicated with the negative pressure equipment through an air pipe. Still install in the box: one end of the filter cylinder is an open end and is fixed in a flower plate hole on the flower plate, and the other end of the filter cylinder is a closed end and is suspended in the dirty air chamber; the blowing ash removal device is arranged in the air purifying chamber and used for blowing gas into the filter cylinder along the pattern plate hole; and at least one air locking and ash discharging device which is arranged at the lower part of the ash bucket and communicated with the dirty air chamber and is used for discharging ash.

Wherein each air-locking ash-discharging device comprises: the two butterfly valves are opened and closed alternately for discharging ash.

The utility model discloses a high negative pressure filter drum dust collector adopts negative pressure equipment evacuation to make the box inside be the operation of high negative pressure formula, and then pumps out the bubble that mixes in plastic materials in the dust extraction equipment, and the box can keep splendid intensity under extra-high negative pressure, indeformable, adopts at least one lock gas dust discharging device, utilizes the butterfly valve to open and close in turn on and off on it, both realizes lock gas, can realize discharging the ash again; the utility model has the advantages of the dust holding capacity is big, and filter fineness is high, and automatic jetting deashing need not to change the filter material for a long time, and real-time lock gas is unloaded the ash and is not shut down.

In one embodiment, the box body is an approximately elliptical or circular enclosed shell, and an access cover is arranged on the box body and is positioned on one side of the air purification chamber.

Furthermore, still be equipped with a plurality of strengthening ribs on the box outer wall, the strengthening rib is followed the outside circumference of box and longitudinal distribution, the strengthening rib with the welding has a plurality of bosses between the box outer wall.

The utility model discloses in, the box adopts approximate oval or circular shape structure, strengthens its structural strength through the mode that sets up the strengthening rib, can accept the extra-high negative pressure that numerical value can be close to-100000 Pa, guarantees that the box does not basically deform, can keep best intensity.

In one embodiment, the pattern plate is horizontally arranged in the box body, and a plurality of pattern plates on the pattern plate are distributed in a matrix array.

Furthermore, the filter cartridges are communicated with the plurality of pattern plate holes on the pattern plate and are in one-to-one correspondence, and the filter cartridges are parallel to each other and distributed in the dirty air chamber in a matrix array.

In this embodiment, separate air-purifying chamber and dirty air chamber through the card, utilize the card pore pair gas of two air chambers of distribution on the card to carry out the water conservancy diversion, install the cartridge filter at a plurality of card downtheholely for a plurality of cartridge filters evenly distributed, increase with the area of contact of the interior dust of dirty air chamber, even filtration load improves the filter effect.

In one embodiment, the blowing ash removal device comprises at least one pulse main pipe communicated with a compressed air source and a plurality of pulse branch pipes communicated with the pulse main pipe, wherein the pulse branch pipes are distributed along a plurality of pattern plate holes on the pattern plate, a plurality of blowing holes in one-to-one correspondence with the pattern plate holes are formed in the pulse branch pipes, and the blowing holes are arranged towards the pattern plate holes and used for performing pulse blowing ash removal on each filter cartridge, so that the filter cartridge is prevented from being blocked and the filter cartridge is prevented from being frequently replaced.

Furthermore, the ash bucket is positioned at the lowest part of the dirty air chamber, and the ash bucket and the box body connected with the ash bucket are fixed on a support.

Further, when the box is cylindrical, the air inlet is communicated with the dirty air chamber along the tangential direction of the side wall of the box, the filter cartridges are distributed at equal intervals along the circumferential direction of concentric circles, and an opening connected with an air-locking ash discharging device is formed in an ash bucket at the bottom of the box.

In one embodiment, when the box body is approximately elliptical, two openings connected with an air-locking ash discharging device are arranged on an ash hopper at the bottom of the box body.

In one embodiment, the dust extraction device is an injection molding machine, and the negative pressure device is a vacuum pump.

Drawings

Fig. 1 is a front view of a high negative pressure filter cartridge dust removing device according to an embodiment of the present invention.

Fig. 2 is a left side view of the high negative pressure filter cartridge dust removing device according to the embodiment of the present invention in fig. 1.

Fig. 3 is a top view of the high negative pressure filter cartridge dedusting device of fig. 1 according to an embodiment of the present invention.

Fig. 4 is a front view of the inside of the high negative pressure filter cartridge dust removing device according to the embodiment of the present invention.

Fig. 5 is a left side view of the high negative pressure cartridge dedusting apparatus of fig. 4 according to an embodiment of the present invention.

Fig. 6 isbase:Sub>A schematic sectional view taken along the linebase:Sub>A-base:Sub>A of the high negative pressure cartridge dedusting apparatus of fig. 4.

Fig. 7 is a schematic structural diagram of the air-lock ash-discharging device of the high-negative pressure filter cartridge dust-removing device in fig. 4.

Fig. 8 is an application schematic diagram of the high negative pressure filter cartridge dust removing device of the present invention.

Description of the main elements

1 case 2 support

3 ash bucket 4 lock gas ash discharging device

41 upper ash discharging device and 42 lower ash discharging device

43 communicating pipe 5 reinforcing rib

6 cartridge filter 7 access cover

8 blowing ash removal device 9 air inlet

10 air outlet 11 pattern plate

12 plate hole 13 air-purifying chamber

14 dirty air chamber 15 air pipe

16 dust extraction equipment 17 negative pressure equipment

The present invention is further described in detail with reference to the drawings and the detailed description.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, an embodiment of the present invention provides a high negative pressure filter cartridge dust removing device, which includes a case 1, in this embodiment, the case 1 is an approximately elliptical structure, and is formed by enclosing a casing into two straight walls and two semicircular curved walls. The outer wall of the box body 1 is also provided with a plurality of reinforcing ribs 5. Preferably, the strengthening rib 5 is followed 1 outside circumference of box and longitudinal distribution, with box 1 welds as an organic wholely, strengthening rib 5 with the welding has a plurality of bosses between 1 outer wall of box, and the boss has strengthened along 5 equidistant distributions of strengthening rib 5 the strengthening rib 5 with firm intensity of being connected between the box 1. In other embodiments of the present invention, the box 1 may also be configured as a circular structure. The case 1 of the present embodiment can maintain the best strength under the ultra-high negative pressure (the value can approach-100000 Pa), and basically does not deform.

Referring to fig. 4 to 6, a horizontally disposed flower plate 11 is disposed inside the box body 1, and the flower plate 11 divides the inside of the box body 1 into a clean air chamber 13 and a dirty air chamber 14. The box body 1 is also provided with an air inlet 9 communicated with a dirty air chamber 14 and an air outlet 10 communicated with a clean air chamber 13. Referring to fig. 8, the air inlet 9 is connected to a dust-pumping device 16 through an air duct 15, and the air outlet 10 is connected to a negative pressure device 17 through an air duct 15. In this embodiment, the dust extraction device 16 is an injection molding machine, and the negative pressure device 17 is a vacuum pump.

A filter cartridge 6 is installed in the dirty air chamber 14, one end of the filter cartridge 6 is an open end and is fixed in the pattern plate hole 12 on the pattern plate 11, and the other end is a closed end and is suspended in the dirty air chamber 14. The high negative pressure filter drum dust removal device of this embodiment usually runs for the negative pressure formula, and the back connects the vacuum pump to carry out high negative pressure and draws, adopts cartridge filter 6 as filtering material, and is few, low, the filter accuracy requirement of filtration wind speed under the dust volume, has apparent advantage. When the vacuum pump is adopted to suck air bubbles in the plastic raw materials of the injection molding machine, dust in the air can be separated and filtered through the filter cartridge 6, and the problem that the dust is accumulated in the vacuum pump and is prone to failure for a long time is solved.

In this embodiment, please refer to fig. 4 to 6, a plurality of pattern holes 12 on the pattern plate 11 are distributed in a matrix array, the filter cartridges 6 are communicated with and in one-to-one correspondence with the plurality of pattern holes 12 on the pattern plate 11, and a plurality of filter cartridges 6 are parallel to each other and distributed in the dirty air chamber 14 in a matrix array. Through installing cartridge filter 6 in a plurality of card holes 12 for a plurality of cartridge filters 6 evenly distributed, increase with the area of contact of dust in dirty air chamber 14, even filtration load improves the filter effect.

Referring to fig. 5 and 6, a blowing ash removal device 8 is further installed in the air purification chamber 13. The blowing ash removal device 8 comprises at least one pulse main pipe communicated with a compressed air source and a plurality of pulse branch pipes communicated with the pulse main pipe. In this embodiment, because the box 1 adopts an approximately elliptical structure, in order to improve the filtering effect and the filtering efficiency, two groups of filter cartridges 6 distributed along the faceplate holes 12 are installed in the box 1, a pulse main pipe communicated with a compressed air source is installed above each group of filter cartridges 6, a plurality of pulse branch pipes of the pulse main pipe are laid above the faceplate holes 12, and the pulse branch pipes are distributed along the plurality of faceplate holes 12 on the faceplate 11. Each pulse branch pipe is provided with a plurality of blowing holes which correspond to the pattern plate holes 12 one by one, and the blowing holes are arranged towards the pattern plate holes 12 and used for carrying out pulse blowing ash removal on each filter cartridge 6. When gas is blown into the filter cartridge 6 along the plate holes 12, dust attached to the filter cartridge 6 can be removed by the pulse gas, and the filter material does not need to be replaced for a long time when ash is automatically blown and removed. In this embodiment, compressed air is preferably used as the air source to perform pulse-jet ash removal on each row of filter cartridges 6.

The pulse main pipes corresponding to the two groups of filter cartridges 6 can perform ash removal in a synchronous blowing mode or in an alternate blowing mode so as not to influence the filtering function of the filter cartridges 6.

Referring to fig. 1 to 6, an ash bucket 3 is disposed at the bottom of the box body 1, and the ash bucket 3 and the box body 1 are fixed on a support 2. In this embodiment, the hopper 3 is located at the lowest part of the dirty air chamber 14 for collecting and storing dust. In this embodiment, the lower opening of the ash bucket 1 is connected with 2 butterfly valve type air-locking ash-discharging devices 4 which are separated by a certain distance and are used for discharging ash. The air-lock ash discharging device 4 is communicated with the dirty air chamber 14. Referring to fig. 7, the air-locking and ash-discharging device 4 includes a communicating pipe 43 and butterfly valves installed at both ends of the communicating pipe 43, the butterfly valves are an upper butterfly valve 41 and a lower butterfly valve 42, respectively, and the two butterfly valves are opened and closed alternately for discharging ash. When the upper butterfly valve 41 is opened and the lower butterfly valve 42 is closed, the dust falls into the communication pipe 43 between the 2 butterfly valves, and is slightly retained, and then when the upper butterfly valve 41 is closed and the lower butterfly valve 42 is opened, the dust is discharged.

The air-locking ash-discharging device 4 is characterized in that when one butterfly valve is opened, the other butterfly valve is closed, and time dislocation is realized, so that air locking and ash discharging can be realized. In other embodiments of the utility model, other valves can be adopted to replace the butterfly valve, and the valve can be opened and closed under the high negative pressure condition without air leakage.

The air-locking ash discharging device 4 of the embodiment solves the problem that the common star-shaped ash discharging valve has great air leakage, and solves the problems that the high negative pressure of a dust removing system is difficult to establish and the dust is difficult to discharge.

In an embodiment of the present invention, when the box 1 is cylindrical, the air inlet 9 is along the tangential direction of the sidewall of the box 1 and the dirty air chamber 14 is connected, the filter cartridges 6 are distributed along the circumference of the concentric circles at equal intervals, and the ash bucket 3 at the bottom of the box 1 is provided with an opening connected with the air-lock ash discharging device 4. The dust-containing gas can conveniently rotate in a centrifugal mode when entering the dirty air chamber 14, and dust is filtered by the filter cartridge 6 under negative pressure, so that the filtering effect is achieved, and the dust storage and dust discharge operation is facilitated.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-described embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A high negative pressure filter cartridge dust removal device comprising:

the box body (1) is provided with a dust hopper (3) at the bottom, a pattern plate (11) is arranged in the box body, the pattern plate (11) divides the interior of the box body (1) into a clean air chamber (13) and a dirty air chamber (14), and the box body (1) is also provided with an air inlet (9) communicated with the dirty air chamber (14) and an air outlet (10) communicated with the clean air chamber (13);

the dust extraction device is characterized in that the air inlet (9) is communicated with a dust extraction device (16) through an air pipe (15), and the air outlet (10) is communicated with a negative pressure device (17) through the air pipe (15); still install in box (1):

one end of the filter cylinder (6) is an open end and is fixed in the pattern plate hole (12) on the pattern plate (11), and the other end of the filter cylinder is a closed end and is suspended in the dirty air chamber (14);

the blowing ash removal device (8) is arranged in the air purifying chamber (13) and is used for blowing gas into the filter cylinder (6) along the pattern plate holes (12); and

at least one air locking and ash discharging device (4) which is arranged at the lower part of the ash bucket (3) and is communicated with the dirty air chamber (14) and used for discharging ash;

wherein each of the gas-locking ash-discharging devices (4) comprises: the dust-discharging device comprises a communicating pipe (43) and butterfly valves arranged at two ends of the communicating pipe (43), wherein the two butterfly valves are opened and closed alternately for discharging dust.

2. The high negative pressure filter cartridge dust removing device according to claim 1, wherein the box body (1) is an approximately oval or circular enclosure, an access cover (7) is arranged on the box body (1), and the access cover (7) is positioned at one side of the air purifying chamber (13).

3. The high negative pressure filter drum dust removing device according to claim 1 or 2, wherein a plurality of reinforcing ribs (5) are further arranged on the outer wall of the box body (1), the reinforcing ribs (5) are distributed along the circumferential direction and the longitudinal direction of the outer part of the box body (1), and a plurality of reinforcing blocks are welded between the reinforcing ribs (5) and the outer wall of the box body (1).

4. The high negative pressure filter cartridge dust removing device according to claim 1, wherein the pattern plate (11) is horizontally arranged in the box body (1), and a plurality of pattern plate holes (12) on the pattern plate (11) are distributed in a matrix array.

5. The high negative pressure filter cartridge dust removing device of claim 4, wherein the filter cartridges (6) are communicated with and correspond to the plurality of pattern holes (12) on the pattern plate (11), and the plurality of filter cartridges (6) are parallel to each other and distributed in the dirty air chamber (14) in a matrix array.

6. The high negative pressure filter drum dust removal device according to claim 5, wherein the blowing ash removal device (8) comprises at least one pulse main pipe communicated with a compressed air source and a plurality of pulse branch pipes communicated with the pulse main pipe, the pulse branch pipes are distributed along a plurality of pattern plate holes (12) on the pattern plate (11), the pulse branch pipes are provided with a plurality of blowing holes corresponding to the pattern plate holes (12) one by one, and the blowing holes are arranged towards the pattern plate holes (12) and used for performing pulse blowing ash removal on each filter drum (6).

7. A high negative pressure filter cartridge dust removing device according to claim 1, wherein the dust hopper (3) is located at the lowest part of the dirty air chamber (14), and the dust hopper (3) and the case (1) connected to the dust hopper (3) are fixed to the bracket (2).

8. The high negative pressure filter cylinder dust removing device according to claim 2, wherein when the box body (1) is cylindrical, the air inlet (9) is communicated with the dirty air chamber (14) along the tangential direction of the side wall of the box body (1), the filter cylinders (6) are distributed at equal intervals along the circumferential direction of a concentric circle, and the ash hopper (3) at the bottom of the box body (1) is provided with an opening connected with the air locking and ash discharging device (4).

9. The high negative pressure filter cartridge dust collector of claim 2, characterized in that, when the box body (1) is approximately oval, two openings connected with the air-lock dust discharging device (4) are arranged on the dust hopper (3) at the bottom of the box body (1).

10. A high negative pressure filter cartridge dust removal device as in claim 1, wherein said dust extraction means (16) is an injection molding machine and said negative pressure means (17) is a vacuum pump.