CN114405960B - Dust removal box and unpowered dust removal system with same - Google Patents
Dust removal box and unpowered dust removal system with same Download PDFInfo
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- CN114405960B CN114405960B CN202210077491.4A CN202210077491A CN114405960B CN 114405960 B CN114405960 B CN 114405960B CN 202210077491 A CN202210077491 A CN 202210077491A CN 114405960 B CN114405960 B CN 114405960B
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- air inlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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Abstract
The invention provides a dust removal box and an unpowered dust removal system with the same, relates to the technical field of dust removal, and mainly aims to provide equipment capable of enabling raised dust to lose power and settle naturally, so that the raised dust is reduced, and the dust pollution of a working environment is reduced. The lower end of the dust removal box is provided with an air inlet and a return air inlet, the dust removal box is constructed to form an air inlet duct and a return air duct, and gas flows upwards into the air inlet duct through the air inlet and then flows downwards to the return air inlet through the return air duct to flow out; a first air adjusting plate is arranged on the inner side wall of the dust removing box close to the air inlet, and when air flows into the dust removing box through the air inlet, the air can impact the first air adjusting plate; the first air adjusting plate is of a curved surface structure protruding towards the top direction of the dust removal box. The invention is used for providing the dust removing equipment capable of effectively inhibiting the flying dust.
Description
Technical Field
The invention relates to the technical field of dust removal, in particular to a dust removal box and an unpowered dust removal system with the same.
Background
The material at the transfer point of the belt conveyor is introduced onto the conveying belt of the conveyor through the chute under the action of gravity. The induced wind is generated during the falling process of the chute. Meanwhile, a large amount of dust can be generated due to impact in the process that the materials fall onto the conveying belt from the chute, and the dust can form a large amount of raised dust near the transfer point under the action of induced wind. The raised dust is driven by induced wind to overflow from the outlet of the guide chute, thereby causing serious dust pollution to production workshops and surrounding environment. The dissipated dust can not only influence the normal operation of the equipment, but also influence the physical health of field workers. In order to avoid raising dust and eliminate kinetic energy of induced wind, the dust is naturally settled under the condition without power, and the purpose of unpowered dust removal is achieved without overflowing of a large amount of dust at the outlet of the guide chute.
It is currently common practice to install dust curtains at the chute and conveyor to block induced wind from entering. The method reduces dust pollution simply by applying resistance to induced wind, the using effect depends on the length of the guide chute, and only the guide chute which is long enough can produce relatively good dust-falling effect. When the length of the material guide groove is limited, the effect of suppressing the raised dust is limited.
Therefore, in order to better inhibit the dust raising condition caused by induced wind, a new dust removal box and an unpowered dust removal system with the dust removal box, which can realize dust removal by weakening or even eliminating the induced wind energy, need to be developed.
Disclosure of Invention
The invention aims to provide a dust removal box and an unpowered dust removal system with the same, and aims to solve the technical problem that the induced wind raised dust suppression effect is poor in the prior art. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
according to the dust removal box provided by the invention, the lower end of the dust removal box is provided with the air inlet and the air return opening, the dust removal box is constructed to form the air inlet duct and the air return duct, and gas flows upwards into the air inlet duct through the air inlet and then flows downwards to the air return opening through the air return duct to flow out; a first air adjusting plate is arranged on the inner side wall, close to the air inlet, of the dust removal box, and when airflow flows into the dust removal box through the air inlet, the airflow can impact the first air adjusting plate; the first air adjusting plate is of a curved surface structure protruding towards the top direction of the dust removal box.
At the moment, the dust removal box comprises an air inlet duct and an air return duct, the two structures form a bent dust removal box structure, and when induced air containing dust flows into the dust removal box through an air inlet, part of kinetic energy is consumed in the processes of upward flowing along the dust removal box and bending; in addition, be located the first air register board on the dust removal incasement lateral wall and also can play certain effect of blockking to induced wind, when induced wind impacted first air register board, the air current can receive certain blockking, and partial air current can change the flow direction under the effect of first air register board simultaneously to make the gaseous positive and negative phase of different flow directions towards, further reduce air current kinetic energy, effectively restrain the raise dust.
On the basis of the technical scheme, the invention can be further improved as follows.
As a further improvement of the present invention, the number of the first air adjusting plates is multiple, and the multiple first air adjusting plates are sequentially arranged along the extending direction of the air inlet duct.
The first air adjusting plates arranged in sequence in the air flow direction play a role in sequence, so that the change and the opposite impact of the air flow direction are realized, and the kinetic energy of the dust-containing induced air is reduced.
As a further improvement of the invention, all the first air adjusting plates are sequentially sorted according to the size, and the position of the first air adjusting plate with the largest size is the highest; all first air regulating plates are located on the same side of the dust removal box, or at least two first air regulating plates are located on different inner walls of the dust removal box.
Along with the size change of the first wind adjusting plate, the blocking and direction adjusting effects of the first wind adjusting plate on the air flow are increased, and the kinetic energy of induced wind is further reduced.
As a further improvement of the present invention, the number of the air inlets is at least one.
As a further improvement of the present invention, when the number of the air inlets is at least two, all of the air inlets are arranged in sequence along the flow direction of the gas.
At this time, the air inlet located at the rear of the air flowing direction can help to guide the induced air which cannot flow into the front air inlet into the dust removing box.
As a further improvement of the invention, the lower end of the return air duct is obliquely arranged towards the direction of the air inlet. The structure design is beneficial to the opposite impact of the gas exhausted from the dust removal box and the induced wind which does not flow into the dust removal box, and is beneficial to offsetting the kinetic energy of the residual induced wind and reducing the possibility of dust flying.
As a further improvement of the invention, the lower end of the air inlet duct is obliquely arranged towards the direction far away from the air return inlet. This arrangement helps to induce wind flow into the dust removal bin.
The invention also provides an unpowered dust removal system, which comprises a guide chute arranged horizontally and any one of the dust removal boxes; the baffle box is located dust removal case below just the dust removal case the air intake with the return air inlet with the baffle box communicates with each other.
As a further improvement of the present invention, a second air adjusting plate for blocking air is arranged in the material guiding groove, and the second air adjusting plate is located between the air inlet and the air return inlet and is arranged close to the air inlet.
Induced air can flow into the dust removal box through the air inlet as far as possible under the action of the second air adjusting plate.
As a further improvement of the invention, the area of the through opening of the material guide chute is smaller than the area of the air inlet.
Compared with the prior art, the dust removal box and the unpowered dust removal system with the dust removal box provided by the preferred embodiment of the invention can help to inhibit flying dust in a mode of reducing dust-containing induced wind energy. When the dust-containing induced wind enters the guide chute, the induced wind can reduce partial kinetic energy under the action of the second air adjusting plate and enter the dust removing box, then the kinetic energy of the induced wind is further reduced under the action of the first air adjusting plate, and the residual induced wind which does not enter the dust removing box can be further inhibited by gas discharged from the air return opening to offset the kinetic energy of the induced wind, so that the kinetic energy of the dust-containing gas is reduced to the maximum extent, and better dust removing and dust removing effects are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a first embodiment of a dust box of the present invention;
FIG. 2 is a schematic structural view of a first embodiment of a dust removal box of the present invention;
FIG. 3 is a schematic structural view of a second embodiment of a dust box of the present invention;
FIG. 4 is a schematic cross-sectional view of the unpowered dedusting system of the present invention.
In the figure: 1. an air inlet; 11. disassembling and assembling holes; 2. an air return opening; 3. an air inlet duct; 4. an air return duct; 5. a first register plate; 6. a material guide chute; 7. and a second air adjusting plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
The technical scheme of the invention is specifically explained in the following by combining the attached drawings.
The invention provides a dust removal box, wherein the lower end of the dust removal box is provided with an air inlet 1 and a return air inlet 2, the dust removal box is constructed to form an air inlet duct 3 and a return air duct 4, and gas flows upwards into the air inlet duct 3 through the air inlet 1 and then flows downwards to the return air inlet 2 through the return air duct 4 and flows out; a first air adjusting plate 5 is arranged on the inner side wall of the dust removing box close to the air inlet 1, and when airflow flows into the dust removing box through the air inlet 1, the first air adjusting plate 5 can be impacted; the first air adjusting plate 5 is a curved surface structure protruding towards the top direction of the dust removing box.
At the moment, the dust removal box comprises an air inlet duct 3 and an air return duct 4, the two structures form a bent box body structure, and when induced air containing dust flows into the dust removal box through the air inlet 1, part of kinetic energy is consumed in the process of flowing upwards along the dust removal box and bending; in addition, be located first air register 5 on the dust removal incasement lateral wall and also can play certain effect of blockking to induced wind, when induced wind strikes first air register 5, the air current can receive certain blockking, and partial air current can change the flow direction under first air register 5's effect simultaneously to make the gas positive and negative looks towards of different flow directions, further reduce air current kinetic energy, effectively restrain the raise dust.
Example 1:
the invention provides a dust removal box which is structurally designed to be small in upper part and large in lower part and comprises air inlet channels 3 and air return channels 4, wherein the number of the air inlet channels 3 is at least one, the lower end of each air inlet channel 3 forms an air inlet 1, and the lower end of each air return channel 4 forms a air return inlet 2; the air inlet duct 3 and the air return duct 4 are communicated with the upper end of the dust removal box.
It should be noted that the number of the air inlet channels 3 may be one, or two or more, and the lower ends of the air inlet channels 3 are separated and the upper ends are communicated with each other. When the number of the air inlets 1 is at least two, all the air inlets 1 are arranged in sequence along the flowing direction of the gas. At this time, the air inlet 1 located at the rear of the air flowing direction can help to guide the induced air which cannot flow into the front air inlet 1 into the dust removing box.
As an optional embodiment, a plurality of first air adjusting plates 5 are disposed on the air inlet duct 3 located at the forefront, and the plurality of first air adjusting plates 5 are sequentially disposed along the extending direction of the air inlet duct 3. The other air inlet duct 3 can also be provided with a first air adjusting plate 5 structure.
The first air adjusting plates 5 sequentially arranged in the air flow direction play a role in sequence, so that the change and the opposite impact of the air flow direction are realized, and the kinetic energy of the dust-containing induced air is reduced.
In order to make the first louvers 5 capable of better reducing the kinetic energy of induced wind, the plurality of first louvers 5 are arranged in different sizes, all the first louvers 5 are sequentially arranged according to the size, and the first louver 5 with the largest size is located at the highest position.
Along with the size change of the first air adjusting plate 5, the blocking and direction adjusting effects of the first air adjusting plate 5 on the air flow are increased, and the kinetic energy of induced wind is further reduced.
All the first air adjusting plates 5 are positioned on the same side of the inner side wall of the dust removing box, as shown in fig. 1; alternatively, at least two first air adjusting plates 5 can be arranged on different inner walls of the dust removing box.
It should be noted that, in consideration of the flow direction of the induced air, in order to ensure that the dust removal box can facilitate the induced air flowing in, as an alternative embodiment, the lower end of the air inlet duct 3 is arranged to be inclined towards the direction away from the air return opening 2. Similarly, the lower end of the return air duct 4 is obliquely arranged towards the direction of the air inlet 1.
The structure design helps to induce wind to flow into the dust removal box, simultaneously facilitates the opposite impact of gas exhausted from the air return port 2 and induced wind which does not flow into the dust removal box, helps to offset the kinetic energy of residual induced wind, and reduces the possibility of dust raising.
In addition, in order to repair and replace the first air adjusting plate 5, as an optional embodiment, an observation window is installed on the outer side wall of the dust removing box, and an opening of the observation window can be passed by the first air adjusting plate 5. In order to ensure the tightness of the observation window, the observation window is fixedly connected with the dust removal box through bolts, and the joint is sealed through rubber, as shown in fig. 2.
Example 2:
the present example 2 is different from the present example 1 in that: at this moment, the outer part of the side wall of the dust removing box provided with the first air adjusting plate 5 protrudes outwards and forms a dismounting hole 11. The number of the dismounting holes 11 is consistent with that of the first air adjusting plates 5 and is arranged in a one-to-one correspondence mode.
It should be noted that the dismounting hole 11 can be closed or opened by a corresponding closing plate or cover, and when the dismounting hole 11 is in an opened state, the first air register 5 can be mounted and dismounted through the dismounting hole 11. As shown in fig. 3, the first register 5 is not shown in this figure.
The invention also provides an unpowered dust removal system, as shown in fig. 4, the dust removal system comprises a guide chute 6 which is horizontally arranged and a dust removal box of any one of the guide chute and the dust removal box; the guide chute 6 is positioned below the dust removal box, and the air inlet 1 and the air return inlet 2 of the dust removal box are communicated with the guide chute 6.
As an optional embodiment, a second air adjusting plate 7 for blocking air is arranged in the material guiding chute 6, and the second air adjusting plate 7 is located between the air inlet 1 and the air return opening 2 and is arranged near the air inlet 1.
Induced wind can flow into the dust removal box through the air inlet 1 as far as possible under the action of the second air adjusting plate 7.
Specifically, the second air adjusting plate 7 may be disposed along the vertical direction, or may be disposed at a certain angle inclined with respect to the direction of the air, so as to induce the air to enter the dust removing box under the direction adjusting effect of the second air adjusting plate 7.
Generally, the second air adjusting plate 7 is a curtain-like structure, and may be made of a metal material or a rubber material.
As an alternative embodiment, the area of the opening of the material guiding groove 6 is smaller than the area of the air inlet 1, so that when the air flow is subjected to the resistance of the second air adjusting plate 7, the air flow can flow into the dust removing box through the air inlet 1.
The unpowered dust removal system is arranged at a blanking point of a transfer point. When materials are conveyed at the transfer point, the materials falling from high altitude have larger impact force and simultaneously form induced wind, so that dust-containing gas is diffused to the periphery. Under the action of the material guide chute 6, the dust-containing gas is confined in the material guide chute 6 and moves along the material conveying device positioned in the material guide chute 6. In the moving process, the second air adjusting plate 7 positioned in the guide chute 6 can play a certain role in blocking and adjusting the induced wind: when the dust-containing gas impacts the second air adjusting plate 7, the flow direction of the gas changes, and the dust-containing gas flows towards the direction of the air inlet 1 of the resistance-free dust removal box and enters the dust removal box.
Because the space in the dust removal box is large, the dust-containing gas can diffuse all around, so that the flow rate of the dust-containing gas is reduced. The gas in the dust removing box can change the flowing direction of part of the gas through the first air adjusting plate 5, so that the kinetic energy of part of the gas is offset. It should be noted that the first air adjusting plate 5 is integrally of a curved structure and is sequentially arranged from small to large in an inclined manner, and the kinetic energy of the dust-containing gas is offset layer by layer through the layer adjustment direction of the first air adjusting plate 5, so that the kinetic energy of the dust-containing gas is reduced to the maximum extent. The dusty gas after first air register 5 handles is discharged from the dust removal incasement through return air duct 4 through return air inlet 2, and the gas after the dust removal case was handled and the induced wind of the remaining dusty that part did not handle the dust removal case of dust removal case this moment become certain angle and act in opposite directions, and both offset each other, have reached the unpowered dust removal effect of speed reduction dust fall.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (7)
1. The dust removal box is characterized in that an air inlet (1) and a return air inlet (2) are formed in the lower end of the dust removal box, the dust removal box is constructed to form an air inlet duct (3) and a return air duct (4), and gas flows upwards into the air inlet duct (3) through the air inlet (1) and then flows downwards to the return air inlet (2) through the return air duct (4) to flow out;
a first air adjusting plate (5) is arranged on the inner side wall of the dust removing box close to the air inlet (1), and when airflow flows into the dust removing box through the air inlet (1), the airflow can impact the first air adjusting plate (5);
the first air adjusting plates (5) are of curved surface structures protruding towards the top of the dust removing box, the number of the first air adjusting plates (5) is multiple, the multiple first air adjusting plates (5) are sequentially arranged along the extending direction of the air inlet duct (3), all the first air adjusting plates (5) are sequentially sequenced according to the size, and the position of the first air adjusting plate (5) with the largest size is the highest;
the number of the air inlets (1) is at least two, and all the air inlets (1) are sequentially arranged along the flowing direction of the gas.
2. A dust box according to claim 1, characterized in that all the first air register plates (5) are located on the same side of the dust box, or at least two of the first air register plates (5) are located on different inner walls of the dust box.
3. The dust removal box of claim 1, wherein the lower end of the air duct of the air return opening (2) is inclined towards the direction of the air inlet opening (1).
4. A dust removal box according to claim 1, characterized in that the lower end of the air inlet duct (3) is arranged obliquely towards the direction away from the air return opening (2).
5. Unpowered dust removal system, characterized by comprising a horizontally arranged material guide chute (6) and a dust removal box according to any one of claims 1-4;
the guide chute (6) is located below the dust removal box, and the air inlet (1) and the air return inlet (2) of the dust removal box are communicated with the guide chute (6).
6. The unpowered dust removal system according to claim 5, wherein a second air adjusting plate (7) for blocking air is arranged in the material guide chute (6), and the second air adjusting plate (7) is located between the air inlet (1) and the air return opening (2) and is arranged close to the air inlet (1).
7. The unpowered dust removal system according to claim 6, wherein an opening area of the guide chute (6) is smaller than an area of the air inlet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210077491.4A CN114405960B (en) | 2022-01-24 | 2022-01-24 | Dust removal box and unpowered dust removal system with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210077491.4A CN114405960B (en) | 2022-01-24 | 2022-01-24 | Dust removal box and unpowered dust removal system with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114405960A CN114405960A (en) | 2022-04-29 |
| CN114405960B true CN114405960B (en) | 2023-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210077491.4A Active CN114405960B (en) | 2022-01-24 | 2022-01-24 | Dust removal box and unpowered dust removal system with same |
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| CN207293642U (en) * | 2017-09-27 | 2018-05-01 | 湖北凯瑞知行科技有限公司 | A kind of buffer cycles pressure release case for power-free dust-removing deflector chute |
| CN110975492A (en) * | 2019-12-21 | 2020-04-10 | 江苏唐问节能环保科技有限公司 | Automatic dust removing equipment |
| CN210479902U (en) * | 2019-09-17 | 2020-05-08 | 华电新疆发电有限公司乌鲁木齐分公司 | Be used for coal conveyor belt micro-power dust device |
| CN211470134U (en) * | 2019-07-09 | 2020-09-11 | 象山方正机械有限公司 | Unpowered dust suppression baffle box |
| CN211643952U (en) * | 2019-12-30 | 2020-10-09 | 泰州金泰环保热电有限公司 | Unpowered intelligent dust removal device |
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2022
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|---|---|---|---|---|
| JP2001091005A (en) * | 1999-09-21 | 2001-04-06 | Hitachi Plant Eng & Constr Co Ltd | Clean room equipment |
| CN201313920Y (en) * | 2008-12-18 | 2009-09-23 | 李国笃 | Dust removing device for oxidizing period of electric steel making |
| CN102600680A (en) * | 2012-03-17 | 2012-07-25 | 苏州宇洋环保设备制造有限公司 | Air inlet flow guide device for cloth bag dust remover |
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| CN211643952U (en) * | 2019-12-30 | 2020-10-09 | 泰州金泰环保热电有限公司 | Unpowered intelligent dust removal device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114405960A (en) | 2022-04-29 |
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