CN111644399B - Coal yard laser panel coal appearance probe cleaning device - Google Patents
Coal yard laser panel coal appearance probe cleaning device Download PDFInfo
- Publication number
- CN111644399B CN111644399B CN202010404971.8A CN202010404971A CN111644399B CN 111644399 B CN111644399 B CN 111644399B CN 202010404971 A CN202010404971 A CN 202010404971A CN 111644399 B CN111644399 B CN 111644399B
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- frame
- coal
- probe
- air injection
- air
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- 238000004140 cleaning Methods 0.000 title claims abstract description 88
- 239000000523 sample Substances 0.000 title claims abstract description 81
- 239000003245 coal Substances 0.000 title claims abstract description 68
- 238000002347 injection Methods 0.000 claims abstract description 93
- 239000007924 injection Substances 0.000 claims abstract description 93
- 210000004209 hair Anatomy 0.000 claims abstract description 3
- 239000000428 dust Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 210000002268 wool Anatomy 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims 1
- 210000003437 trachea Anatomy 0.000 claims 1
- 241001584775 Tunga penetrans Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B08B1/12—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
Abstract
The invention discloses a cleaning device for a laser coal-jigger probe in a coal yard, which can carry out movable air injection cleaning and wiping cleaning on the whole probe by pushing an air injection frame and brush hairs through a lead screw, it is characterized in that a plurality of air nozzles are annularly and fixedly arranged on the inner wall of the air nozzle frame at equal intervals, the nozzles of the air nozzles incline towards one side of the air nozzle frame, and faces the center of the air injection frame, an air injection cavity is arranged in the air injection frame, the air injection head is communicated with the air injection cavity, the two symmetrical connecting frames are connected with the other side of the air injection frame, the connecting position of the connecting frame and the air injection frame is provided with a fixed block, the two elastic ribs are positioned at the other side of the air injection frame, two ends of the elastic rib are respectively connected with the two fixing blocks, the two elastic ribs form a circle, and the two cleaning belts are respectively sleeved on the two elastic ribs.
Description
Technical Field
The invention discloses a cleaning device for a laser coal-checking instrument probe of a coal yard, relates to a cleaning device for a laser coal-checking instrument probe of the coal yard, and belongs to the field of coal mine equipment. In particular to a coal yard laser disk coal instrument probe cleaning device which can carry out movable air injection cleaning and wiping cleaning on the whole probe by pushing an air injection frame and brush bristles through a lead screw.
Background
Coal-fired cost of a thermal power plant accounts for seventy percent of total operation cost every year, more effective management of the thermal power plant can be realized only by knowing coal consumption indexes every month, and the purposes of energy conservation, emission reduction and enterprise benefit increase are realized, an intelligent laser coal jigger measuring system is gradually applied to coal jigger operation in a coal yard due to the advantages of intelligence, labor conservation, reliable and durable operation and the like, the system utilizes a laser scanning distance measuring technology and a position sensor to acquire spatial position information data of a measured coal yard immediately, calculates the volume of the measured coal yard by a three-dimensional modeling technology after transmitting the data to a computer, and then works out the coal yard coal pile amount rapidly by matching with density parameters, but because dust in the coal yard is serious, the probe of the laser coal jigger can be polluted by dust after being used for a long time, and in the use process of the laser coal jigger, the dust on the probe is easy to fall off and then is adsorbed on a lens, thereby causing interference to scanning measurement, the accuracy of scanning is influenced, and the dust cleaning at the probe of the existing laser coal-fired instrument can only be carried out by climbing and wiping by personnel, which is inconvenient.
Notice No. CN208898128U discloses a portable coal charge dolly of closed coal yard, its characterized in that: the movable coal-coiling trolley for the closed coal yard is composed of triangular rails, a walking device, a self-adaptive positioning device, a coal-coiling detection device and a control system, wherein the two triangular rails are in a group, a group of triangular rails which are equal in length, parallel and equal in height are hung upside down at fixed intervals along the coal pile forming direction in sequence and are fixed on a supporting beam at the top of the closed coal yard, the walking device is composed of walking wheels, a trolley body and a driving shaft, a probe of a laser coal-coiling instrument fixed at the bottom of the coal-coiling trolley is exposed and easily contaminated with dust, and the dust on the probe is easily fallen onto a lens, so that the accuracy of laser scanning is influenced.
Disclosure of Invention
In order to improve the situation, the invention provides a cleaning device for a laser coal driling instrument probe in a coal yard, which can carry out movable air injection cleaning and wiping cleaning on the whole probe by pushing an air injection frame and brush bristles through a lead screw.
The invention relates to a cleaning device for a probe of a coal yard laser panel coal instrument, which is realized by the following steps: the invention relates to a cleaning device for a laser coal driling instrument probe of a coal yard, which consists of a main fixing frame, an auxiliary fixing frame, a sliding rod, a supporting plate, an air pump, an air pipe, a cleaning belt, an air jet frame, air jets, elastic ribs, a fixing block, a connecting frame, a driving motor, dust cleaning bristles, a screw rod and a sliding sleeve, wherein a plurality of air jets are annularly fixed on the inner wall of the air jet frame at equal distances, the air jets of the air jets are inclined towards one side of the air jet frame and face the center of the air jet frame, an air jet cavity is arranged in the air jet frame, the air jets are communicated with the air jet cavity, two symmetrical connecting frames are connected with the other side of the air jet frame, the fixing block is arranged at the position where the connecting frame is connected with the air jet frame, two elastic ribs are arranged at the other side of the air jet frame, two ends of the elastic ribs are respectively connected with the two fixing blocks, the two elastic ribs form a circle, and the two cleaning belts are respectively sleeved on the two elastic ribs, dust cleaning bristles are fixedly arranged on one side of the cleaning belt, one ends of two sliding rods are respectively connected with two connecting frames, the main fixing frame is arranged between the two sliding rods, the auxiliary fixing frame is arranged between the two sliding rods, a plurality of supporting plates are fixedly arranged on the main fixing frame, a plurality of supporting plates are fixedly arranged on the auxiliary fixing frame, one sliding rod is clamped on one side of the main fixing frame through the supporting plate on the main fixing frame, the other sliding rod is clamped on one side of the auxiliary fixing frame through the supporting plate on the auxiliary fixing frame, a sliding sleeve is fixedly arranged at the position, close to one end, of the sliding rod on the main fixing frame, a driving motor is fixedly arranged at the position, close to one end, on the side of the main fixing frame, a fixing seat is fixedly arranged at the position, close to the other end, on the side of the main fixing frame, one end of a lead screw penetrates through the sliding sleeve to be connected with a motor shaft of the driving motor, and the lead screw is in threaded connection with the sliding sleeve, the other end of the lead screw is connected with the fixing seat through a supporting bearing, the part of the lead screw, which is positioned in the fixing seat, is a smooth surface, a plurality of fixing holes are formed in the main fixing frame, a plurality of fixing holes are formed in the auxiliary fixing frame, an air pump is fixedly arranged at a position, close to one end, on the side face of the auxiliary fixing frame, one end of the air pipe is connected with an air outlet of the air pump, the air pipe is communicated with the air outlet of the air pump, the other end of the air pipe is connected with an air injection frame, the air pipe is communicated with an air injection cavity, the air pipe is an elastic air pipe, a sealing ring is arranged between the air pipe and the air injection frame, a layer of sponge is arranged on the cleaning belt, the connecting frame on the cleaning belt is of a telescopic structure, and the dust cleaning bristles are made of fine soft bristles.
Has the beneficial effects.
Firstly, can clear up the probe of probe through the frame that spouts gas, guarantee that the probe is clean to this precision of guaranteeing to scan.
And the elastic ribs can keep the brush hair always attached to the probe, so that the probe is cleaned.
And thirdly, the air injection frame and the brush bristles are continuously pushed by the lead screw, so that the whole probe can be cleaned.
Drawings
FIG. 1 is a three-dimensional structure diagram of a cleaning device for a laser coal-jigging instrument probe in a coal yard.
FIG. 2 is a schematic structural diagram of a cleaning device for a laser coal-driling instrument probe in a coal yard.
FIG. 3 is a left side view of a coal yard laser panel coal instrument probe cleaning device of the present invention.
FIG. 4 is a three-dimensional structure diagram of a cleaning device for a laser coal-jigging instrument probe in a coal yard.
In the attached drawings
Wherein the method comprises the following steps: the coal coiling device comprises a main fixing frame 1, an auxiliary fixing frame 2, a sliding rod 3, a supporting plate 4, an air pump 5, an air pipe 6, a cleaning belt 7, an air injection frame 8, an air injection head 9, elastic ribs 10, a fixing block 11, a connecting frame 12, a driving motor 13, dust cleaning bristles 14, a lead screw 15, a sliding sleeve 16, a probe 17 and a coal coiling instrument main body 18.
The specific implementation mode is as follows:
the invention relates to a cleaning device for a probe of a coal yard laser panel coal instrument, which is realized by the following steps: the invention relates to a cleaning device for a laser coal drimeter probe in a coal yard, which comprises a main fixing frame 1, an auxiliary fixing frame 2, a sliding rod 3, a supporting plate 4, an air pump 5, an air pipe 6, a cleaning belt 7, an air injection frame 8, air injection heads 9, elastic ribs 10, fixing blocks 11, a connecting frame 12, a driving motor 13, dust cleaning bristles 14, a lead screw 15 and a sliding sleeve 16, wherein a plurality of air injection heads 9 are annularly and fixedly arranged on the inner wall of the air injection frame 8 at equal intervals, the nozzles of the air injection heads 9 are inclined towards one side of the air injection frame 8 and face the center of the air injection frame 8, an air injection cavity is arranged in the air injection frame 8, the air injection heads 9 are communicated with the air injection cavity, the two symmetrical connecting frames 12 are connected with the other side of the air injection frame 8, the fixing blocks 11 are arranged at the positions where the connecting frame 12 is connected with the air injection frame 8, the two elastic ribs 10 are arranged at the other side of the air injection frame 8, two ends of the elastic ribs 10 are respectively connected with the two fixing blocks 11, the two elastic ribs 10 form a circle, the two cleaning belts 7 are respectively sleeved on the two elastic ribs 10, dust cleaning bristles 14 are fixedly arranged on one side of the cleaning belts 7, one ends of the two sliding rods 3 are respectively connected with the two connecting frames 12, the main fixing frame 1 is arranged between the two sliding rods 3, the auxiliary fixing frame 2 is arranged between the two sliding rods 3, a plurality of supporting plates 4 are fixedly arranged on the main fixing frame 1, a plurality of supporting plates 4 are fixedly arranged on the auxiliary fixing frame 2, one sliding rod 3 is clamped on one side of the main fixing frame 1 through the supporting plate 4 on the main fixing frame 1, the other sliding rod 3 is clamped on one side of the auxiliary fixing frame 2 through the supporting plate 4 on the auxiliary fixing frame 2, a sliding sleeve 16 is fixedly arranged at one end of the sliding rod 3 on the main fixing frame 1, and a driving motor 13 is fixedly arranged at one end of the side of the main fixing frame 1, a fixed seat is fixedly arranged on the side surface of the main fixing frame 1 close to the other end, one end of a lead screw 15 penetrates through a sliding sleeve 16 to be connected with a motor shaft of a driving motor 13, the lead screw 15 is in threaded connection with the sliding sleeve 16, the other end of the lead screw 15 is connected with the fixed seat through a supporting bearing, the part of the lead screw 15, which is positioned in the fixed seat, is a smooth surface, a plurality of fixed holes are formed in the main fixing frame 1, a plurality of fixed holes are formed in an auxiliary fixing frame 2, an air pump 5 is fixedly arranged on the side surface of the auxiliary fixing frame 2 close to one end, one end of an air pipe 6 is connected with an air outlet of the air pump 5, an air outlet of the air pipe 6 is communicated with an air injection frame 8, the air pipe 6 is communicated with an air injection cavity, the air pipe 6 is an elastic air pipe 6, a sealing ring is arranged between the air pipe 6 and the air injection frame 8, and a layer of sponge is arranged on the cleaning belt 7, the connecting frame 12 on the cleaning belt 7 is of a telescopic structure, and the dust cleaning bristles 14 are made of fine and soft wool.
When the device is used, firstly, the air injection frame 8 is sleeved on the probe 17, the main fixing frame 1 and the auxiliary fixing frame 2 are respectively fixed on the coal coiling instrument main body 18 by bolts, the air pump 5 is started, air enters the air injection cavity through the air pipe 6 and then is injected onto the probe 17 through the air injection head 9, air injection cleaning can be carried out on the probe 17, when the air injection frame 8 injects air, as the nozzle of the air injection head 9 inclines to the other side of the air injection frame 8 and faces the center of the air injection frame 8, the nozzle can always blow dust on the probe 17 to the outer side direction of the probe 17, and simultaneously, the driving motor 13 is started, the motor shaft of the driving motor 13 rotates to drive the screw rod 15 to rotate, as the screw rod 15 and the sliding sleeve 16 are screwed to form a spiral propulsion structure, the sliding sleeve 16 can move forwards under the spiral action of the screw rod 15, and the sliding sleeve 16 drives the sliding rod 3 to slide forwards, so that the sliding rod 3 pushes the connecting frame 12 to drive the air injection frame 8 to move towards the end part of the probe 17, thereby realizing the air injection cleaning of the whole probe 17;
when the air injection frame 8 moves, the elastic rib 10 drives the cleaning belt 7 to move forwards under the action of the fixing frame, the dust cleaning bristles 14 are fixed on the cleaning belt 7, and in the moving process, the elastic rib 10 can shrink along with the probe 17 in an adaptive manner under the action of elasticity, so that the dust cleaning bristles 14 on the cleaning belt 7 can be always attached to the probe 17, and the probe 17 can be cleaned;
after the air injection frame 8 moves to be close to the end part of the probe 17, the rotating direction of a motor shaft of the driving motor 13 is changed, at the moment, under the spiral action of the lead screw 15, the screw sleeve drives the slide rod 3 to slide backwards, so that the connecting frame 12 is driven to drive the air injection frame 8 to move in the opposite direction of the end part of the probe 17, so that the probe 17 is continuously moved and cleaned by air injection, when the air injection frame 8 moves, under the action of the fixing frame, the elastic rib 10 drives the cleaning belt 7 to move backwards, dust cleaning bristles 14 are fixed on the cleaning belt 7, and in the moving process, the elastic rib 10 is gradually expanded along with the probe 17 under the action of elasticity, so that the dust cleaning bristles 14 on the cleaning belt 7 can be always attached to the probe 17, and further the probe 17 can be continuously cleaned;
the probe 17 can be cleaned and wiped by repeatedly moving and spraying air by continuously changing the rotation direction of the shaft of the driving motor 13;
the air pipe 6 is designed to be an elastic air pipe 6, so that the air pipe 6 can meet the required length when the air injection frame 8 moves to the end part of the probe 17, and the air pipe 6 cannot be wound due to overlong length when the air injection frame 8 moves to the innermost side of the probe 17, so that the normal use of the device is not influenced;
the nozzle of the air nozzle 9 is inclined towards one side of the air injection frame 8 and faces towards the center of the air injection frame 8, so that dust on the probe 17 can be always blown to the outer side of the probe 17;
the sealing ring is arranged between the air pipe 6 and the air injection frame 8, so that the air pipe 6 and the air injection frame 8 can be sealed, and the air is prevented from leaking;
the cleaning belt 7 is provided with a layer of sponge, so that a certain amount of water can be adsorbed, and dust which is difficult to clean can be conveniently wetted and wiped off;
the connecting frame 12 on the cleaning belt 7 is designed to be of a telescopic structure, and can adjust the heights of the main fixing frame 1 and the auxiliary fixing frame 2 so as to meet the installation requirement;
the dust cleaning bristles 14 are made of fine and soft wool, so that when the elastic ribs 10 are high in elasticity, unnecessary damage to the surface of the probe 17 caused by the dust cleaning bristles 14 can be avoided;
the screw rod 15 and the sliding sleeve 16 are matched with the air injection frame 8 and the air injection head 9, so that the air injection frame 8 can move through a spiral propelling structure, and the moving air injection cleaning of the whole probe 17 is realized;
the elastic ribs 10 and the cleaning belt 7 are matched with bristles, so that the cleaning belt 7 can be matched with the probe 17 to shrink adaptively under the action of the elastic ribs 10 in the moving process of the cleaning belt 7, the bristles are always attached to the probe 17, and the whole probe 17 is cleaned;
the air pump 5 works, the driving motor 13 works simultaneously, the air injection frame 8 moves along the probe 17, and meanwhile, the air injection head 9 injects air towards the probe 17, so that the air injection frame 8 can perform air-blowing cleaning on dust adsorbed on the probe 17 in the moving process of the air injection frame 8;
the rotating direction of the driving motor 13 is controlled, so that the air injection frame 8 can move back and forth, and the probe 17 can be moved back and forth for cleaning;
the purposes of moving the air injection frame 8 and the bristles through the lead screw 15, and performing movable air injection cleaning and wiping cleaning on the whole probe 17 are achieved.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Claims (10)
1. The utility model provides a coal yard laser panel coal appearance probe cleaning device comprises main mount, supplementary mount, slide bar, backup pad, air pump, trachea, cleaning belt, gas injection frame, jet, elasticity muscle, fixed block, link, driving motor, dust cleaning brush hair, lead screw and sliding sleeve, characterized by: a plurality of jet heads are annularly and fixedly arranged on the inner wall of the air injection frame at equal distance, the nozzles of the jet heads incline to one side of the air injection frame and face the center of the air injection frame, an air injection cavity is arranged in the air injection frame, the jet heads are communicated with the air injection cavity, two symmetrical connecting frames are connected with the other side of the air injection frame, fixing blocks are arranged at the connecting positions of the connecting frames and the air injection frame, two elastic ribs are arranged at the other side of the air injection frame, the two ends of each elastic rib are respectively connected with the two fixing blocks, the two elastic ribs form a circle, the two cleaning belts are respectively sleeved on the two elastic ribs, dust cleaning bristles are fixedly arranged on one side of each cleaning belt, one ends of the two sliding rods are respectively connected with the two connecting frames, the main fixing frame is arranged between the two sliding rods, the auxiliary fixing frame is arranged between the two sliding rods, and a plurality of supporting plates are fixedly arranged on the main fixing frame, the auxiliary fixing frame is fixedly provided with a plurality of supporting plates, one sliding rod is clamped on one side of the main fixing frame through the supporting plate on the main fixing frame, the other sliding rod is clamped on one side of the auxiliary fixing frame through the supporting plate on the auxiliary fixing frame, a sliding sleeve is fixedly arranged at the position, close to one end, of the sliding rod on the main fixing frame, a driving motor is fixedly arranged at the position, close to one end, of the side face of the main fixing frame, a fixing seat is fixedly arranged at the position, close to the other end, of the side face of the main fixing frame, one end of a lead screw penetrates through the sliding sleeve to be connected with a motor shaft of the driving motor, the lead screw is in threaded connection with the sliding sleeve, the other end of the lead screw is connected with the fixing seat through a supporting bearing, the part, located in the fixing seat, of the lead screw is a smooth surface, the main fixing frame is provided with a plurality of fixing holes, the auxiliary fixing frame is provided with a plurality of fixing holes, and the auxiliary fixing frame is provided with an air pump at the position, close to one end, one end of the air pipe is connected with an air outlet of the air pump, the air pipe is communicated with the air outlet of the air pump, the other end of the air pipe is connected with the air injection frame, and the air pipe is communicated with the air injection cavity.
2. The cleaning device for the laser coal panel instrument probe in the coal yard according to claim 1, characterized in that the air pipe is an elastic air pipe, which can ensure that the air pipe can meet the required length when the air injection frame moves to the end of the probe, and the air pipe cannot be wound due to overlong length when the air injection frame moves to the innermost side of the probe.
3. The cleaning device for the probe of the coal laser panel coal instrument in the coal yard as claimed in claim 1, wherein the screw rod, the sliding sleeve are matched with the gas injection frame and the gas injection head, and the gas injection frame can be moved by a screw propulsion structure, so that the whole probe can be cleaned by moving gas injection.
4. The cleaning device for the laser coal driling instrument probe in the coal yard as claimed in claim 1, wherein the elastic rib and the cleaning belt are matched with bristles, so that the cleaning belt can be matched with the probe to shrink adaptively under the action of the elastic rib in the moving process of the cleaning belt, the bristles are always attached to the probe, and the cleaning of the whole probe is realized.
5. The cleaning device for the coal field laser coal drimeter probe according to claim 1, wherein when in use, the air pump works, the driving motor works simultaneously, the air injection frame moves along the probe, and meanwhile, the air injection head is designed to inject air towards the probe, so that dust adsorbed on the probe can be cleaned by air injection in the moving process of the air injection frame.
6. The cleaning device for the probe of the coal laser panel coal instrument in the coal yard according to claim 1, characterized in that when in use, the rotating direction of the driving motor is controlled, so that the air injection frame moves back and forth, and the probe can be moved back and forth for cleaning.
7. The cleaning device for the probe of the laser coal drimeter in the coal yard according to claim 1, wherein the dust cleaning bristles are made of fine and soft wool.
8. The cleaning device for the laser coal driling instrument probe in the coal field according to claim 2, wherein a sealing ring is arranged between the air pipe and the air injection frame.
9. The cleaning device for the probe of the coal laser panel coal instrument in the coal yard according to claim 1, wherein a layer of sponge is arranged on the cleaning belt.
10. The cleaning device for the probe of the coal laser panel coal instrument in the coal yard according to claim 9, wherein the connecting frame on the cleaning belt is of a telescopic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010404971.8A CN111644399B (en) | 2020-05-14 | 2020-05-14 | Coal yard laser panel coal appearance probe cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010404971.8A CN111644399B (en) | 2020-05-14 | 2020-05-14 | Coal yard laser panel coal appearance probe cleaning device |
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| Publication Number | Publication Date |
|---|---|
| CN111644399A CN111644399A (en) | 2020-09-11 |
| CN111644399B true CN111644399B (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010404971.8A Active CN111644399B (en) | 2020-05-14 | 2020-05-14 | Coal yard laser panel coal appearance probe cleaning device |
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| CN (1) | CN111644399B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114280258B (en) * | 2021-12-26 | 2024-01-02 | 山西禾美环保科技有限公司 | Portable waste water detection device |
| CN114259843A (en) * | 2021-12-27 | 2022-04-01 | 福建省清流县东莹化工有限公司 | Self-circulation spraying device for VOC (volatile organic compound) waste gas treatment and treatment process |
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| CN204852860U (en) * | 2015-08-28 | 2015-12-09 | 衢州乐创节能科技有限公司 | Cleaning type image -pickup probe frame |
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|---|---|
| CN111644399A (en) | 2020-09-11 |
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