CN115121479B - Bed surface hole dust cleaning mechanism suitable for dry coal separator and use method thereof - Google Patents
Bed surface hole dust cleaning mechanism suitable for dry coal separator and use method thereof Download PDFInfo
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- CN115121479B CN115121479B CN202210870969.9A CN202210870969A CN115121479B CN 115121479 B CN115121479 B CN 115121479B CN 202210870969 A CN202210870969 A CN 202210870969A CN 115121479 B CN115121479 B CN 115121479B
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- gas
- cleaning mechanism
- holes
- bed surface
- shell
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- 239000000428 dust Substances 0.000 title claims abstract description 70
- 239000003245 coal Substances 0.000 title claims abstract description 62
- 238000004140 cleaning Methods 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000007921 spray Substances 0.000 claims abstract description 29
- 238000012423 maintenance Methods 0.000 claims abstract description 12
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims description 26
- 239000007924 injection Substances 0.000 claims description 26
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/08—Cleaning arrangements
Landscapes
- Cleaning In General (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a bed surface hole dust cleaning mechanism suitable for a dry coal separator and a use method thereof. The bed surface hole dust cleaning mechanism suitable for the dry coal preparation machine and the use method thereof have the cleaning function, can avoid the condition that the normal air outlet of the spray head is influenced due to dust accumulation, further ensure the removal effect of dust in a coal pile, ensure that coal reaches the use standard, are convenient to maintain, reduce the maintenance cost, ensure the normal operation of work and have stronger practicability.
Description
Technical Field
The invention belongs to the technical field of dry coal dressing, and particularly relates to a bed surface hole dust cleaning mechanism suitable for a dry coal dressing machine and a using method thereof.
Background
The coal dressing is the process of separating clean coal meeting the user quality requirement from raw coal. Coking coal has certain requirements on ash content and sulfur content, and cleaned clean coal must be used. The lithofacies composition of the coal, the amount, type, nature and distribution of minerals in the coal are all factors that affect the coal's selectivity. Aiming at the difficulty of the selectivity of raw coal, common processes of coal preparation plants include jigging, dense medium cyclone, dense medium shallow tank, dynamic sieve jigging, flotation and the like. Among them, the technology advantage is more obvious than the dry coal dressing technology.
At present, when a wind coal separator for dry coal separation operates, raw coal is in a suspension state by wind power of bed surface holes of a dense array in the wind coal separator, so that separation is realized in a later process. During the process of sorting coal, the holes of the bed surface are often blocked by the dust or coal dust in the coal. Intermittent blowing technology is adopted in the prior art to realize the cleaning work of the holes of the bed surface of the dense array. However, because dust accumulation is easy to occur at the air outlet end of the bed surface hole, long-term dust accumulation is easy to influence the normal air outlet of the air outlet end, and the effect of cleaning the bed surface hole is further reduced.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a bed surface hole dust cleaning mechanism suitable for a dry coal separator and a use method thereof, so as to solve the problems in the background art.
According to a first aspect of the technical scheme of the invention, a bed surface hole dust cleaning mechanism suitable for a dry coal separator is provided, and comprises a shell; the conveying pipeline is fixedly installed in the shell, a plurality of through grooves are formed in one end of the shell in a rectangular array, the air injection assemblies are detachably installed in the through grooves, and the air injection assemblies are communicated with the conveying pipeline together.
The jet assembly comprises an end plate, a plurality of round holes are formed in one side, far away from the conveying pipeline, of the end plate in a rectangular array, and a spray head is fixedly installed in each of the round holes. Further, a circular groove for the servo motor to be fixedly arranged is formed in the middle of one side of the end plate, a support is fixedly arranged on a motor shaft of the servo motor, two flexible dust removal plates are symmetrically arranged on the outer edge surface of the support, and two flexible dust removal strips are symmetrically arranged on one side, away from the end plate, of the outer edge surface of the support.
Preferably, the conveying pipeline comprises a gas conveying pipe which is fixedly arranged between two sides in the shell in the middle, a valve is fixedly arranged at one end of the gas conveying pipe extending out of the shell, and a flange plate is fixedly arranged at one side of the valve away from the gas conveying pipe.
Preferably, a plurality of round holes are formed in the side, facing the air injection assembly, of the air delivery pipe at equal intervals, and round pipes are formed in the round holes.
Preferably, one end of the round pipe, which is far away from the gas pipe, is fixedly connected with a three-way pipe, and two ends of the three-way pipe are fixedly provided with a first joint.
Preferably, a support frame penetrating through the through groove is formed on the side, facing the shell, of the end plate, and support plates are formed on the side, away from the end plate, of the top end and the bottom end in the support frame.
Preferably, a second connector is fixedly arranged between the opposite surfaces of the two supporting plates, the second connector is connected with the first connector, and one end, far away from the first connector, of the second connector is provided with an air inlet pipe fixedly connected with one end of the four spray heads.
Preferably, the end plate is provided with four through holes in a rectangular array on one side far away from the shell, fixing bolts are movably arranged in the four through holes, and one ends of the fixing bolts penetrating through the through holes are connected in the shell through threads.
Preferably, the two sides of the shell are provided with extension lugs towards one end of the air injection assembly, and the top end and the bottom end of one side of each extension lug are provided with through holes.
According to a second aspect of the technical scheme of the invention, a using method of a bed surface hole dust cleaning mechanism is provided, which is used for the bed surface hole dust cleaning mechanism applicable to a dry coal separator and comprises the following steps:
s1, equipment installation
The bolts which are prepared in advance respectively pass through the four through holes on the two extending lugs and are screwed into the installation position in the dry coal separator, and then the pipeline for conveying gas is connected with the gas pipe with the help of the flange plate, so that the fixing of the mechanism can be completed;
s2, dust removal of coal
The coal entering the dry coal separator moves to the lower part of the shell, the dry coal separator is started, the equipment for conveying gas is arranged outside, the valve is opened, the gas is conveyed into the gas pipe through the equipment, and the gas enters the gas pipes respectively under the distribution of the three-way pipes, so that the gas is sprayed out by the spray head to remove dust from the coal pile;
s3, cleaning after dust removal
After dust removal, dust can be accumulated on the surface of the spray head, the support is driven to rotate by starting the servo motor, so that the two flexible dust removal plates can be driven to clean the surface of the servo motor, and then the two flexible dust removal strips are driven to clean the dust at the ports of the spray heads, so that the spray heads are prevented from being blocked;
s4, daily maintenance
During maintenance, the first connector can be screwed to separate the three-way pipe from the air inlet pipe, and then the plurality of fixing bolts in the end plate are screwed out, so that the air injection assembly can be disassembled, and replacement and maintenance can be carried out on the air injection assembly.
Compared with the prior art, the bed surface hole dust cleaning mechanism suitable for the dry coal preparation machine and the using method thereof have the following technical effects and advantages:
1. according to the arrangement of the air injection assembly, when dust is accumulated on the surface of the spray head, the servo motor can be started, the support is driven to rotate by the servo motor so as to drive the two flexible dust removal plates to clean the surface of the servo motor, and then the two flexible dust removal strips are simultaneously driven to clean dust at the ports of the spray head, so that the condition that the normal air outlet of the spray head is influenced due to dust accumulation is avoided, the dust removal effect of the spray head in a coal pile is further ensured, and the coal achieves the use standard.
2. Thanks to the arrangement of the air injection assembly and the conveying pipeline, the three-way pipe is separated from the air inlet pipe by screwing the first joint, and the plurality of fixing bolts in the end plate are screwed out, so that the air injection assembly can be detached from the shell, the air injection assembly is convenient to replace and maintain by workers, the use is convenient, the maintenance cost is reduced, and the normal operation of work is ensured.
Drawings
FIG. 1 is a schematic diagram of a bed surface hole dust cleaning mechanism suitable for a dry coal separator;
FIG. 2 is a schematic diagram showing the separation of a bed surface hole dust cleaning mechanism suitable for a dry coal separator;
FIG. 3 is a schematic diagram of a conveying pipeline in a bed surface hole dust cleaning mechanism applicable to a dry coal separator;
fig. 4 is a schematic structural view of a jet assembly according to the present invention.
In the figure: 1. a housing; 101. a through groove; 2. a delivery line; 201. a gas pipe; 202. a valve; 203. a flange plate; 204. a round tube; 205. a three-way pipe; 206. a first joint; 3. a jet assembly; 301. an end plate; 302. a spray head; 303. a servo motor; 304. a support; 305. a flexible dust removal plate; 306. a support frame; 307. a support plate; 308. a second joint; 309. an air inlet pipe; 310. a fixing bolt; 4. extending the ears.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a bed surface hole dust cleaning mechanism suitable for a dry coal separator, which comprises a shell; the conveying pipeline is fixedly installed in the shell, a plurality of through grooves are formed in one end of the shell in a rectangular array, the air injection assemblies are detachably installed in the through grooves, and the air injection assemblies are communicated with the conveying pipeline together. The jet assembly comprises an end plate, a plurality of round holes are formed in one side, far away from the conveying pipeline, of the end plate in a rectangular array, and a spray head is fixedly installed in each of the round holes. Further, a circular groove for the servo motor to be fixedly arranged is formed in the middle of one side of the end plate, a support is fixedly arranged on a motor shaft of the servo motor, two flexible dust removal plates are symmetrically arranged on the outer edge surface of the support, and two flexible dust removal strips are symmetrically arranged on one side, away from the end plate, of the outer edge surface of the support.
Preferably, the conveying pipeline comprises a gas conveying pipe which is fixedly arranged between two sides in the shell in the middle, a valve is fixedly arranged at one end of the gas conveying pipe extending out of the shell, and a flange plate is fixedly arranged at one side of the valve away from the gas conveying pipe.
And a second connector is fixedly arranged between the opposite surfaces of the two supporting plates and connected with the first connector, and one end of the second connector, which is far away from the first connector, is provided with an air inlet pipe fixedly connected with one end of the four spray heads.
Preferably, the end plate is provided with four through holes in a rectangular array on one side far away from the shell, fixing bolts are movably arranged in the four through holes, and one ends of the fixing bolts penetrating through the through holes are connected in the shell through threads.
Preferably, the two sides of the shell are provided with extension lugs towards one end of the air injection assembly, and the top end and the bottom end of one side of each extension lug are provided with through holes.
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, fig. 2 and fig. 4, in order to further ensure the removal effect of the spray head 302 on dust in a coal pile, so that the coal achieves the use standard, the bed surface hole dust cleaning mechanism suitable for the dry coal preparation machine comprises a shell 1, a conveying pipeline 2 is fixedly installed in the shell 1, one end of the shell 1 is provided with a plurality of through grooves 101 in a rectangular array, a plurality of air injection components 3 are detachably installed in the through grooves 101, the plurality of air injection components 3 are jointly connected with the conveying pipeline 2, the air injection components 3 comprise an end plate 301, one side of the end plate 301, far away from the conveying pipeline 2, is provided with a plurality of round holes in the rectangular array, the spray head 302 is fixedly installed in the round holes, a round groove for the servo motor 303 to be fixedly arranged is formed in the middle of one side of the end plate 301, a support 304 is fixedly installed on a motor shaft of the servo motor 303, two flexible dust removal plates 305 are symmetrically constructed on the outer edge surface of the support 304, two flexible dust removal strips are symmetrically constructed on one side, far away from the end plate 301, when the surface of the spray head 302 is accumulated with the surface of the servo motor, the surface of the spray head 302 is jointly connected with the conveying pipeline 2, a plurality of round holes are formed, the round grooves are fixedly installed in the round grooves for the servo motor 303, and the servo motor 303 are fixedly arranged in the servo motor, and the round grooves are fixedly arranged in the round grooves, and the round grooves are fixedly arranged on the servo motor, and the round grooves and are fixedly arranged on the side of the support grooves.
In order to facilitate the replacement and maintenance of the bed surface hole dust cleaning mechanism suitable for the dry coal separator by a worker, so as to reduce the maintenance cost and ensure the normal operation of the coal separator, as shown in fig. 1, 3 and 4, specifically, the conveying pipeline 2 suitable for the bed surface hole dust cleaning mechanism of the dry coal separator comprises a conveying pipe 201 which is fixedly arranged between two sides in the shell 1 in a centered manner, one end of the conveying pipe 201 extending out of the shell 1 is fixedly provided with a valve 202, one side of the valve 202 away from the conveying pipe 201 is fixedly provided with a flange 203, one side of the conveying pipe 201 facing the air injection assembly 3 is provided with a plurality of round holes at equal intervals, round holes are internally provided with round pipes 204, one end of the round pipe 204 away from the conveying pipe 201 is fixedly connected with a three-way pipe 205, two ends of the three-way pipe 205 are fixedly provided with a joint 206, the end plate 301 is provided with a support frame 306 penetrating through the through groove 101 on one side facing the shell 1, the support plates 307 are respectively arranged on one side, far from the end plate 301, of the top end and the bottom end in the support frame 306, a second joint 308 is fixedly arranged between the opposite surfaces of the two support plates 307, the second joint 308 is connected with the first joint 206, one end, far from the first joint 206, of the second joint 308 is provided with an air inlet pipe 309 fixedly connected with one end of the four spray heads 302, the side, far from the shell 1, of the end plate 301 is provided with four through holes in a rectangular array, fixing bolts 310 are movably arranged in the four through holes, one end, penetrating through the through holes, of each fixing bolt 310 is connected into the shell 1 through threads, the three-way pipe 205 is separated from the air inlet pipe 309 through screwing the first joint 206, and then a plurality of fixing bolts 310 in the end plate 301 are screwed out, so that the air injection assembly 3 can be detached from the shell 1, and the air injection assembly can be replaced and maintained conveniently by workers, convenient to use has ensured the normal clear of work when reducing maintenance cost.
In order to complete the fixing of the dust cleaning mechanism of the bed surface hole suitable for the dry coal separator, as shown in fig. 1, specifically, the two sides of the shell 1 are provided with extension lugs 4 towards one end of the air injection assembly 3, and the top end and the bottom end of one side of the extension lugs 4 are provided with through holes, and the fixing of the dust cleaning mechanism can be completed by respectively penetrating the four through holes on the two extension lugs 4 with the bolts prepared in advance and screwing the bolts into the installation positions in the dry coal separator.
The invention discloses a using method of a bed surface hole dust cleaning mechanism suitable for a dry coal separator, which is used for the bed surface hole dust cleaning mechanism suitable for the dry coal separator and comprises the following steps of:
step S1, equipment installation
The fixing of the mechanism can be completed by respectively penetrating the four through holes on the two extending lugs 4 through the bolts prepared in advance and screwing the bolts into the installation position in the dry coal separator, and then connecting the pipeline for conveying gas with the gas pipe 201 with the help of the flange 203;
step S2, coal dust removal
The coal entering the dry coal separator moves to the lower part of the shell 1, the dry coal separator is started, the equipment for conveying gas is arranged outside, the valve 202 is opened, the gas is conveyed into the gas pipe 201 through the equipment, and the gas enters the gas pipes 309 respectively under the distribution of the three-way pipes 205, so that the gas is sprayed out by the spray head 302 to remove dust from a coal pile;
step S3, cleaning after dust removal
After dust removal, dust is accumulated on the surfaces of the spray heads 302, the servo motor 303 is started to drive the support 304 to rotate, so that the two flexible dust removal plates 305 can be driven to clean the surfaces of the servo motor 303, and then the two flexible dust removal strips are driven to clean the dust at the ports of the spray heads 302, so that the blockage of the spray heads is avoided;
step S4, daily maintenance
During maintenance, the first connector 206 may be screwed to disengage the tee 205 from the air inlet 309, and then the plurality of fixing bolts 310 in the end plate 301 may be screwed out, so that the air injection assembly 3 may be removed for replacement and maintenance.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (7)
1. The using method of the bed surface hole dust cleaning mechanism is characterized in that the bed surface hole dust cleaning mechanism suitable for the dry coal preparation machine comprises a shell (1), a conveying pipeline (2) is fixedly arranged in the shell (1), one end of the shell (1) is provided with a plurality of through grooves (101) in a rectangular array, air injection assemblies (3) are detachably arranged in the plurality of through grooves (101), and the plurality of air injection assemblies (3) are communicated with the conveying pipeline (2) together;
the air injection assembly (3) comprises an end plate (301), wherein a plurality of round holes are formed in a rectangular array on one side, away from the conveying pipeline (2), of the end plate (301), and spray heads (302) are fixedly arranged in the round holes; a circular groove for fixing the servo motor (303) is formed in the middle of one side of the end plate (301), a support (304) is fixedly arranged on a motor shaft of the servo motor (303), two flexible dust removal plates (305) are symmetrically constructed on the outer edge surface of the support (304), and two flexible dust removal strips are symmetrically constructed on one side, far away from the end plate (301), of the outer edge surface of the support (304); the conveying pipeline (2) comprises a gas conveying pipe (201) which is fixedly arranged between two sides in the shell (1) in the middle, a valve (202) is fixedly arranged at one end, extending out of the shell (1), of the gas conveying pipe (201), and a flange plate (203) is fixedly arranged at one side, far away from the gas conveying pipe (201), of the valve (202);
the using method of the bed surface hole dust cleaning mechanism comprises the following steps:
step S1, fixing a dust cleaning mechanism for holes on a bed surface can be completed by respectively penetrating the bolts which are prepared in advance through four through holes on two extending lugs (4) and screwing the bolts into the mounting positions in a dry coal separator, and then connecting a pipeline for conveying gas with a gas pipe (201) with the help of a flange plate (203);
s2, coal entering a dry coal separator moves to the lower part of a shell (1), equipment for conveying gas is started through the dry coal separator, a valve (202) is opened, the gas is conveyed into a gas conveying pipe (201) through the equipment for conveying gas, and the gas enters a plurality of gas inlet pipes (309) respectively under the distribution of a plurality of three-way pipes (205), so that the gas is sprayed out by a spray head (302) to remove dust from a coal pile;
step S3, dust is accumulated on the surfaces of the spray heads (302) after dust removal, the servo motor (303) is started to drive the support (304) to rotate, namely, the two flexible dust removal plates (305) are driven to clean the surfaces of the servo motor (303), and then the two flexible dust removal strips are driven to clean the dust at the ports of the spray heads (302), so that the spray heads (302) are prevented from being blocked;
and S4, during routine maintenance, screwing the first joint (206) to separate the three-way pipe (205) from the air inlet pipe (309), and screwing out a plurality of fixing bolts (310) in the end plate (301), so that the air injection assembly (3) is disassembled, and is replaced and maintained.
2. The use method of the bed surface hole dust cleaning mechanism according to claim 1, wherein a plurality of round holes are formed in the side, facing the air injection assembly (3), of the air pipe (201) at equal intervals, and round pipes (204) are formed in the round holes.
3. The method for using the bed surface hole dust cleaning mechanism according to claim 2, wherein one end of the round tube (204) far away from the air pipe (201) is fixedly connected with a three-way tube (205), and two ends of the three-way tube (205) are fixedly provided with a first joint (206).
4. A method of using a bed hole dust cleaning mechanism according to claim 3, characterized in that the side of the end plate (301) facing the housing (1) is provided with a supporting frame (306) penetrating through the through groove (101), and the side of the top end and the bottom end of the supporting frame (306) far away from the end plate (301) is provided with a supporting plate (307).
5. The method of claim 4, wherein a second joint (308) is fixedly installed between the opposite surfaces of the two support plates (307), the second joint (308) is connected to the first joint (206), and an air inlet pipe (309) fixedly connected to one end of the four spray heads (302) is installed at one end of the second joint (308) away from the first joint (206).
6. The method of claim 5, wherein four through holes are formed in a rectangular array on a side of the end plate away from the housing, fixing bolts are movably arranged in the four through holes, and the fixing bolts penetrate through one ends of the through holes and are connected in the housing in a threaded manner.
7. The method of claim 6, wherein the two sides of the housing are configured with extending lugs toward one end of the air jet assembly, and the top and bottom ends of one side of the extending lugs are provided with through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210870969.9A CN115121479B (en) | 2022-07-23 | 2022-07-23 | Bed surface hole dust cleaning mechanism suitable for dry coal separator and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210870969.9A CN115121479B (en) | 2022-07-23 | 2022-07-23 | Bed surface hole dust cleaning mechanism suitable for dry coal separator and use method thereof |
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| Publication Number | Publication Date |
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| CN115121479A CN115121479A (en) | 2022-09-30 |
| CN115121479B true CN115121479B (en) | 2024-03-01 |
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| CN (1) | CN115121479B (en) |
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| WO2016088558A1 (en) * | 2014-12-02 | 2016-06-09 | 株式会社サタケ | Ejector for granular material color sorting machine |
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| CN213912891U (en) * | 2020-10-27 | 2021-08-10 | 辽宁圣诺美科技实业有限公司 | Coal processing dust collector with drying function |
| CN113510090A (en) * | 2021-04-25 | 2021-10-19 | 安徽捷泰智能科技有限公司 | Nozzle structure for color sorter |
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