CN109516135B - Dust removing system for conveyer belt - Google Patents
Dust removing system for conveyer belt Download PDFInfo
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- CN109516135B CN109516135B CN201811070603.3A CN201811070603A CN109516135B CN 109516135 B CN109516135 B CN 109516135B CN 201811070603 A CN201811070603 A CN 201811070603A CN 109516135 B CN109516135 B CN 109516135B
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- dust
- adsorption
- stage filter
- water mist
- settling
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- 239000000428 dust Substances 0.000 title claims abstract description 142
- 238000001179 sorption measurement Methods 0.000 claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 230000001629 suppression Effects 0.000 claims abstract description 35
- 239000003595 mist Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000005507 spraying Methods 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/22—Cleaning devices comprising fluid applying means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/24—Cleaning devices comprising plural diverse cleaning devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
The invention discloses a conveyor belt dust removal system, which comprises a conveyor belt, wherein a guide groove is arranged on the conveyor belt along the length direction of the conveyor belt, a guide barrel channel is vertically communicated with the guide groove, a first adsorption dust suppression device and a first tail sealing curtain are arranged on the guide groove on one side of the guide barrel channel, and a water mist dust suppression device, at least one second adsorption dust suppression device and a second tail sealing curtain are arranged on the guide groove on the other side of the guide barrel channel; the water mist dust suppression device comprises a water mist dust suppression box body, a first-stage filter, a spraying device and a second-stage filter, wherein an unpowered fan is arranged above the second-stage filter. The system has the advantages of thorough dust removal, obvious effect, water and electricity saving and capability of reducing the use cost.
Description
Technical Field
The invention relates to dust removing equipment, in particular to a conveyer belt dust removing system.
Background
When finely pulverized materials such as coal fall from a conveyor belt of one belt conveyor to a conveyor belt of the other belt conveyor, a large amount of dust is generated due to falling impact, and the dust needs to be eliminated. The invention patent application CN102976071A discloses a belt dust removing device, which eliminates dust generated by scattering materials onto a conveying belt through a material launder, a dust airflow backflow pipe, a dust collection cover, a belt sealing cover, a six-surface drainage plate and the like. The technical equipment has a simple structure and is not thorough in dust filtering. The invention patent CN105346985A discloses a micron-sized dust suppression device of a belt conveyor, which comprises a micron-sized dry fog machine, a water vapor distributor, a dry fog box assembly and the like, wherein the air pressure and the air flow, the water pressure and the water flow can be set by supplying water and air to the micron-sized dry fog machine, and then the air pressure and the air flow, the water pressure and the water flow can be conveyed to the water vapor distributor through a pipeline; the dry fog box assembly comprises a sealing cover and a plurality of universal spray heads arranged in the sealing cover, the water-gas distributor is connected with each universal spray head through a pipeline and a circuit, and the spraying and steering of each universal spray head are controlled through the PLC. The diameter of the fog drop particles sprayed by the invention is 1-10 mu m, and the dust emission in the coal ash conveying process of a coal yard can be well controlled. The technology needs to use a PLC programming controller, has complex equipment, mainly removes dust by spraying water and consumes more water. How to improve the dust removal effect of a conveyer belt dust removal system, save power and water and solve the technical problem in the field.
Disclosure of Invention
The invention aims to provide a dust removing system for a conveyor belt, which has the advantages of thorough dust removing, obvious effect, water and electricity saving and capability of reducing the use cost.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the dust removing system of the conveyer belt comprises the conveyer belt, a guide groove is arranged on the conveyer belt and along the length direction of the conveyer belt, a guide barrel channel is vertically communicated with the guide groove, and the dust removing system is characterized in that a first adsorption dust removing device and a first tail sealing curtain are arranged on the guide groove on one side of the guide barrel channel, a water mist dust suppression device, at least one second adsorption dust removing device and a second tail sealing curtain are arranged on the guide groove on the other side of the guide barrel channel, the first adsorption dust removing device and the second adsorption dust removing device both comprise adsorption dust removing boxes, an adsorption curtain is connected below the adsorption dust removing boxes, and a pressure release window and a dust filter are arranged on the adsorption dust removing boxes, and the adsorption curtain is positioned in the guide groove; the water mist dust suppression device comprises a water mist dust suppression box body, a first-stage filter is arranged at the lower part of the water mist dust suppression box body, a spraying device is arranged above the first-stage filter, a second-stage filter is arranged above the spraying device, and an unpowered fan is arranged above the second-stage filter.
Preferably, the first stage filter of the water mist dust suppression box body filters dust particles with the granularity of more than 30 microns, the spraying device sprays and filters dust particles with the granularity of more than 20 microns, and the second stage filter filters dust particles with the granularity of more than 10 microns.
Preferably, the number of the second adsorption dust-settling devices is three, and the second adsorption dust-settling devices are sequentially arranged along the length direction of the guide chute.
Preferably, the guide chute comprises side plates arranged on two sides of the conveying belt, the side plates are obliquely arranged to enable the width of an upper opening between the side plates to be larger than that of a lower opening, and an arc-shaped cover plate is covered on the upper opening.
Preferably, the space between the side plate and the conveying belt is sealed by an overflow-preventing apron plate.
In the above technical scheme, the material falls to the conveyer belt of this system through the guide barrel way by gravity on the upper conveyer belt, and the striking produces a large amount of dust, and first absorption dust fall device and first tail seal curtain set up in conveyer belt one end, and the dust of part backward escape is absorbed through the absorption curtain and is inhaled the pressure, and the dust that passes the absorption curtain upwards gets into the absorption dust box, filters once more through dust filter and pressure release window. Most dust moves along the advancing direction of the conveying belt, mainly enters a water mist dust suppression box body, dust particles with the granularity of more than 30 microns are filtered by a first-stage filter, ascending dust meets and combines with fine mist sprayed by a spraying device to form slurry and fall, so that dust particles with the granularity of more than 20 microns are removed, then the slurry continuously ascends to enter a second-stage filter, particles with the granularity of more than 10 microns are filtered, finally ascending dust-containing gas whirls through an unpowered fan and makes rotary motion under air pressure, a centrifugal effect is generated, and the particles with the granularity of more than 5 microns sink, so that the slurry is separated from fly ash. And a small part of dust passes through the water mist dust suppression device and advances along with the conveying belt, and rubs and collides with the guide chute, so that affinity aggregation is generated, larger particles are formed and returned to the conveying belt, the larger particles are adsorbed, depressurized and filtered by the adsorption curtains, the adsorption dust reduction boxes and the dust filters of the second adsorption dust suppression devices, and finally the second tail sealing curtain at the tail end of the dust removal system is basically free of dust, and the materials of the second tail sealing curtain completely meet the specified emission standard. The device takes the falling impact force of materials as driving force, reduces the pressure and the speed of dust by means of the water mist dust suppression device, the first adsorption dust suppression device and the second adsorption dust suppression device, eliminates dust particles of 20-30 microns and dust particles below 10 microns which are difficult to remove by means of spraying, an unpowered fan and the like, achieves good dust removal effect, and achieves the aims of saving power and water by supplementing and playing synergistic effects.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a water mist dust suppression device;
FIG. 3 is a schematic view of the first stage filter structure of the water mist dust suppression device;
FIG. 4 is a schematic diagram of a first adsorption dust suppression device;
FIG. 5 is a schematic diagram of a second adsorption dust suppression device;
fig. 6 is a schematic sectional structure of a guide chute.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in the drawing, the dust removing system for the conveyer belt comprises a conveyer belt 1, wherein a guide groove 2 is arranged on the conveyer belt 1 and along the length direction of the conveyer belt 1, a guide barrel channel 3 is vertically communicated with the guide groove 2, and materials fall into the guide barrel channel 3 from the tail end of an upper conveyer belt by gravity and then fall onto the conveyer belt 1. A first adsorption dust fall device 4 is arranged on the guide chute 2 which is close to the tail end of the conveying belt on one side of the guide chute 3 opposite to the advancing direction, and a first tail sealing curtain 5 is sealed at the tail end of the guide chute 2. The first adsorption dust settling device 4 is provided with an adsorption dust settling box 41, one side of the lower part is provided with an adsorption curtain 42, the adsorption curtain 42 is made of soft materials and is provided with a plurality of adsorption holes, the adsorption curtain 42 can be provided with a plurality of layers and is arranged in a guide groove, the material falls down and then impacts the conveying belt 1 to generate a large amount of dust, a part of the dust escapes in the direction opposite to the moving direction of the conveying belt, the adsorption curtain 42 blocks the adsorption to generate a pressure relief effect, the dust enters the adsorption dust settling box 41 after being blocked, meets and is adsorbed with a dust filter 43 arranged in the adsorption dust settling box 41, the dust filter 43 can select a plurality of layers of filter screens, the side surface of the adsorption dust settling box 41 is also provided with a pressure relief window 44, the top is provided with an upper cover 45, the pressure relief window 44 is provided with the filter screen, the filter screen is communicated with the outside air after the secondary filtration, and the discharged gas meets the discharge requirement. The dust passing through the adsorption curtain 42 is sealed by the first tail curtain 5 to fall on the conveyor belt and does not escape to the outside air.
The other side of the guide barrel channel 3 is provided with a water mist dust suppression device 6 and a plurality of second adsorption dust suppression devices 7, and the end of the guide chute 2 is also provided with a second tail seal 8. The water mist dust suppression device 6 is provided with a water mist dust suppression box 61, a first-stage filter 62 is arranged at the lower part of the water mist dust suppression box 61, and can be used as a multi-layer filter screen, and the filter aperture is controlled to filter dust particles with the strength of more than 30 micrometers. A spraying device 66 is arranged above the first-stage filter 62, sprays fine mist, meets and combines with rising dust to form slurry and falls down, so that dust particles above 20 microns are filtered. The mud falls down by gravity and has a flushing effect on the first-stage filter, so that the adsorption service life of the mud is prolonged. A second filter 63 is arranged above the spraying device, and a filter screen is selected for filtering dust particles above 10 microns. The second filter is provided with a power fan 64 above, rotates under the action of rising gas, and rotates and hits dust with a size of 5 microns in the gas, so that dust particles centrifugally collide and coalesce to fall, and are separated from fly ash in the gas, and the discharged gas completely meets the emission standard. The dust that the material produced mostly moves along with the conveyer belt and mainly gets into water smoke dust suppression device 6, consequently water smoke dust suppression device 6 is used for getting rid of most dust, through above-mentioned filter screen, spraying, filter screen, unpowered fan combined together's mode, carries out the hierarchical to the dust of different granularity and gets rid of, has fully played advantage and the cost advantage of each dust removal mode on getting rid of corresponding dust to the mutual supplementary synergistic effect that gives up, whole dust removal is effectual, and the cost of manufacture is lower, is favorable to water conservation and energy saving moreover.
The second adsorption dust-settling device 7 is arranged on the guide chute 2, at least one is arranged, three adsorption dust-settling boxes 71, adsorption curtains 72, dust filters 73, pressure release windows 74 and an upper cover 75 are generally arranged for enhancing the dust removal thoroughness, the adsorption curtains 72 block adsorption after dust comes, most of the dust enters the adsorption dust-settling boxes 71 above the adsorption curtains, the dust is filtered by the dust filters 73, and finally the dust is filtered again through filter screens on the pressure release windows 74, so that the discharge standard is reached, the dust passing through the adsorption curtains is decompressed again in the next adsorption curtain, filtered after rising, then discharged, and then is decompressed again in the next adsorption curtain, and then is filtered after rising. Finally, the material coming out of the second tail curtain does not contain dust, and completely meets the emission standard. The dust removing device has the advantages that the plurality of second adsorption dust removing devices are combined for use, namely, the dust removing capability of each adsorption dust removing device is considered, the equipment cost is considered, the pressure is relieved layer by layer through the adsorption curtain, the dust is filtered and discharged on the adsorption dust removing box body, the impact of the impact force and the concentration of dust on the dust removing capability and the capacity of the dust removing elements such as the adsorption curtain and the dust filter is effectively relieved, and the good dust removing effect and the economic benefit of dust removal are achieved.
A sealing body is formed between a guide chute 2 and a conveying belt, and on the basis, the structure is preferable that the guide chute 2 comprises side plates 21 arranged on two sides of the conveying belt, the side plates 21 are obliquely arranged to enable the width of an upper opening between the two side plates 21 to be larger than that of a lower opening, a horn mouth shape is formed, logistics is facilitated to pass through, an arc-shaped cover plate 22 is covered on the upper opening, and top dust accumulation is facilitated to be reduced. The space between the side plate 21 and the conveyor belt 1 is sealed by an overflow-preventing apron plate 23. The anti-overflow apron board 23 adopts polyurethane wearing layer with good sealing effect and prolonged service life at the contact position with the conveyer belt 1.
The system has the advantages of no occupation of land, less investment, less power consumption, less maintenance, no need of manual operation, no secondary pollution and the like.
The present embodiment is only an illustration of the concept and implementation of the present invention, and is not limited thereto, and the technical solution without substantial transformation is still within the scope of protection under the concept of the present invention.
Claims (3)
1. The dust removing system for the conveyer belt comprises the conveyer belt, a guide groove is arranged on the conveyer belt along the length direction of the conveyer belt, and a guide cylinder channel is vertically communicated with the guide groove, and is characterized in that a first adsorption dust suppression device and a first tail sealing curtain are arranged on the guide groove on one side of the guide cylinder channel, a water mist dust suppression device, at least one second adsorption dust suppression device and a second tail sealing curtain are arranged on the guide groove on the other side of the guide cylinder channel,
the first adsorption dust-settling device and the second adsorption dust-settling device comprise adsorption dust-settling box bodies, an adsorption curtain is connected below the adsorption dust-settling box bodies, a pressure release window and a dust filter are arranged on the adsorption dust-settling box bodies, and the adsorption curtain is positioned in the guide chute;
the water mist dust suppression device comprises a water mist dust suppression box body, a first-stage filter is arranged at the lower part of the water mist dust suppression box body, a spraying device is arranged above the first-stage filter, a second-stage filter is arranged above the spraying device, and an unpowered fan is arranged above the second-stage filter;
the first-stage filter of the water mist dust suppression box body filters dust particles with the granularity of more than 30 microns, the spraying device sprays and filters dust particles with the granularity of more than 20 microns, and the second-stage filter filters dust particles with the granularity of more than 10 microns;
the number of the second adsorption dust-settling devices is three, and the second adsorption dust-settling devices are sequentially arranged along the length direction of the guide chute;
the dust filter is a multi-layer filter screen.
2. The conveyor belt dust removal system of claim 1, wherein the guide chute includes side plates disposed on opposite sides of the conveyor belt, the side plates being disposed diagonally such that an upper opening between the side plates is wider than a lower opening, and an arcuate cover plate is provided over the upper opening.
3. The conveyor belt dust removal system of claim 2, wherein the side panel is sealed to the conveyor belt by an anti-spill skirt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811070603.3A CN109516135B (en) | 2018-09-13 | 2018-09-13 | Dust removing system for conveyer belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811070603.3A CN109516135B (en) | 2018-09-13 | 2018-09-13 | Dust removing system for conveyer belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109516135A CN109516135A (en) | 2019-03-26 |
| CN109516135B true CN109516135B (en) | 2024-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811070603.3A Active CN109516135B (en) | 2018-09-13 | 2018-09-13 | Dust removing system for conveyer belt |
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| Country | Link |
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| CN (1) | CN109516135B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113955529A (en) * | 2021-11-19 | 2022-01-21 | 中电国核(北京)节能环保科技有限公司 | High-efficiency energy-saving dust removing equipment for belt conveyor |
| CN114229526A (en) * | 2021-11-25 | 2022-03-25 | 国能珠海港务有限公司 | Shipment machine environmental protection swift current section of thick bamboo and shipment machine |
| CN114904339A (en) * | 2022-05-09 | 2022-08-16 | 浙江浙能温州发电有限公司 | Breathing bin for unpowered dust removal guide chute |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6206175B1 (en) * | 1998-05-08 | 2001-03-27 | Imperial Technologies Inc. | Conveyor cleaning and air-borne residue control system |
| CN102874615A (en) * | 2012-10-22 | 2013-01-16 | 大唐甘肃发电有限公司 | Dust suppression and fall system used in process of conveying high-dust material by belt type conveyor |
| CN105346985A (en) * | 2015-12-08 | 2016-02-24 | 国投钦州发电有限公司 | Micron-grade dry mist dust suppression device for belt conveyor |
| CN205802535U (en) * | 2016-06-27 | 2016-12-14 | 象山向荣机械制造有限公司 | A kind of unpowered dust-arrest device |
| CN205932287U (en) * | 2016-08-18 | 2017-02-08 | 华电新乡发电有限公司 | Device is administered to coal conveying system of power plant dust |
| CN107472803A (en) * | 2017-08-17 | 2017-12-15 | 安徽攀登重工股份有限公司 | Unpowered totally-enclosed slide type deduster gathering sill device |
| CN208666352U (en) * | 2018-09-13 | 2019-03-29 | 唐山晟浩电力环保科技有限公司 | A kind of conveyer belt dust pelletizing system |
-
2018
- 2018-09-13 CN CN201811070603.3A patent/CN109516135B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6206175B1 (en) * | 1998-05-08 | 2001-03-27 | Imperial Technologies Inc. | Conveyor cleaning and air-borne residue control system |
| CN102874615A (en) * | 2012-10-22 | 2013-01-16 | 大唐甘肃发电有限公司 | Dust suppression and fall system used in process of conveying high-dust material by belt type conveyor |
| CN105346985A (en) * | 2015-12-08 | 2016-02-24 | 国投钦州发电有限公司 | Micron-grade dry mist dust suppression device for belt conveyor |
| CN205802535U (en) * | 2016-06-27 | 2016-12-14 | 象山向荣机械制造有限公司 | A kind of unpowered dust-arrest device |
| CN205932287U (en) * | 2016-08-18 | 2017-02-08 | 华电新乡发电有限公司 | Device is administered to coal conveying system of power plant dust |
| CN107472803A (en) * | 2017-08-17 | 2017-12-15 | 安徽攀登重工股份有限公司 | Unpowered totally-enclosed slide type deduster gathering sill device |
| CN208666352U (en) * | 2018-09-13 | 2019-03-29 | 唐山晟浩电力环保科技有限公司 | A kind of conveyer belt dust pelletizing system |
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| Publication number | Publication date |
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| CN109516135A (en) | 2019-03-26 |
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