CN111189671A - Automatic sampling device and sampling method for entering crushed stone of mixing station - Google Patents
Automatic sampling device and sampling method for entering crushed stone of mixing station Download PDFInfo
- Publication number
- CN111189671A CN111189671A CN202010242492.0A CN202010242492A CN111189671A CN 111189671 A CN111189671 A CN 111189671A CN 202010242492 A CN202010242492 A CN 202010242492A CN 111189671 A CN111189671 A CN 111189671A
- Authority
- CN
- China
- Prior art keywords
- sampler
- sampling
- transverse
- vertical
- sample
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 66
- 239000004575 stone Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 17
- 230000002457 bidirectional effect Effects 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012428 routine sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides an automatic sampling device and method for entering crushed stones of a mixing station. Sampling device includes the sampler, sample pipeline, central controller and the perpendicular two sets of supports of connecting on subaerial, every group support top sets up a horizontal walking track, set up horizontal running gear and displacement sensor I on the horizontal walking track, a horizontal running gear is connected respectively at vertical walking track both ends, set up vertical running gear on the vertical walking track, set up displacement sensor II and the vertical plug-in device of pressure on the vertical running gear, and connect the sampler through the vertical plug-in device of pressure, the sampler top sets up the motor, displacement sensor III, sample pipeline returns the car pipeline and connects the two-way switch that sample pipeline and sample returned the car pipeline. By the aid of the method, safety risks of manual getting-on and sampling are avoided, the defect that deep broken stones cannot be sampled is overcome, and sampling efficiency and accuracy are improved.
Description
Technical Field
The invention relates to the field of raw material sampling, in particular to an automatic sampling device and a sampling method for entering crushed stone of a mixing station.
Background
Sampling is carried out on the crushed stone entering the mixing station according to the standard requirement in batches, whether the quality of the crushed stone material meets the requirement is detected, and unqualified materials are strictly forbidden to enter the mixing station. The routine sampling detection procedure is that detection personnel climb to the roof of the incoming broken stone transport vehicle for sampling, and the weighing and unloading can be carried out after the detection is qualified. This approach has the following problems: the safety risk of the detection personnel in sampling the car roof exists; only a thin layer of sample on the top surface of the vehicle can be taken, and deep broken stone in the carriage cannot be sampled, so that the sample is not representative, and the detection result is influenced; meanwhile, the manual sampling efficiency is low.
Disclosure of Invention
In view of the above problems, the present invention aims to provide an automatic sampling device and method for crushed stone entering a mixing station for automatically sampling crushed stone on a transport vehicle, so as to improve sampling efficiency, realize sampling at any point in the vehicle, and avoid safety risks of detection personnel.
The invention adopts the following technical scheme:
according to one aspect of the invention, the automatic sampling device for the entering crushed stones of the mixing station comprises a sampler, a sample conveying pipeline, a central controller and two groups of supports vertically connected to the ground, wherein the opposite top ends of the two groups of supports are connected through a connecting rod, the top end of each group of supports is provided with a transverse walking track, the plane formed by the connecting rod and the transverse walking track is rectangular, each transverse walking track is provided with a transverse walking device and a displacement sensor I, the two ends of the longitudinal walking track are respectively connected with one transverse walking device, the longitudinal walking track is provided with a longitudinal walking device, the longitudinal walking device is provided with a displacement sensor II and a pressure vertical drawing and inserting device and is connected with the sampler through the pressure vertical drawing and inserting device, the top end of the sampler is provided with a motor, a displacement sensor III, a sample conveying pipeline, a sample returning pipeline and a two-way switch for connecting the sample conveying pipeline and, the central controller is respectively connected with the transverse walking device, the longitudinal walking device, the displacement sensor, the pressure vertical pulling and inserting device, the motor and a switch control circuit of the two-way switch.
Adopt above-mentioned technical scheme's advantage to lie in: (1) the central controller sends out an instruction, the displacement sensor obtains the specific position of the sampler, the sampler can automatically move to a specified position and sample at a set depth, so that sampling at any set point of the vehicle is realized, and the inaccuracy of sampling at the roof singly is avoided; (2) automatic material taking is realized through the central controller, and the sampling working efficiency is improved; (3) the safety risk brought to the detection personnel by manual material taking is avoided.
Furthermore, the support comprises vertical support rods and transverse connecting pipes and/or oblique connecting pipes, the vertical support rods are arranged in parallel and perpendicular to the ground, the transverse connecting pipes are perpendicularly connected between the vertical support rods on two sides, and the oblique connecting pipes are connected between the vertical support rods along oblique lines.
Furthermore, the support vertical rod is connected to the ground through an earth anchor bolt, and the transverse connecting pipe and/or the oblique connecting pipe are/is connected with the support vertical rod through a bolt.
Further, the sampler is including setting up the sleeve pipe outside, and the sheathed tube is inside to be equipped with the pivot of taking helical blade, and the pivot is connected with the motor, and the sleeve pipe outer wall is equipped with the sawtooth, and the vertical plug device of taking out of pressure passes through sawtooth and sampler meshing.
Furthermore, the pressure vertical drawing and inserting device is a group of gears which are respectively arranged on two sides of the outer wall of the sleeve.
Furthermore, the transverse walking device and the longitudinal walking device are respectively walking wheels driven by a driving motor.
According to another aspect of the invention, a sampling method of the automatic sampling device for the approach gravel of the mixing station is provided, and the sampling method is implemented through the following steps:
step 1: driving an incoming crushed stone transport vehicle to be below a support assembly of an incoming crushed stone automatic sampling device of the mixing station;
step 2: inputting a set sampling position and a set sampling depth through a central controller;
and step 3: the transverse walking device and the longitudinal walking device respectively move on the transverse walking track and the longitudinal walking track according to the instruction of the central controller to drive the sampler to move transversely and longitudinally;
and 4, step 4: after the sampler reaches a set position, a motor and a pressure vertical drawing and inserting device are started, the sampler is inserted into the crushed stone, a bidirectional switch at the top end of the sampler is opened towards a sample return pipeline during insertion, and a sampled product returns to the carriage of the transport vehicle through the sample return pipeline;
and 5: when the sampler is inserted into a set depth, the bidirectional switch at the top end of the sampler is opened towards the material taking and conveying pipeline, and the sample is conveyed to a sampling point below the transport vehicle;
step 6: turning off the motor, changing the motor running direction of the pressure vertical plugging device, and bringing the sampler above the transport vehicle;
and 7: and (6) repeating the steps 2 to 6, sampling the crushed stones with other set points until all required sampling samples are obtained, and finishing the sampling process.
By adopting the method, automatic material taking is realized, the risk of manual material taking is avoided, and the material taking efficiency is high.
Drawings
FIG. 1 is a top view of the apparatus of the present invention;
FIG. 2 is a front view of the apparatus of the present invention;
FIG. 3 is a schematic view of the connection structure of the stent;
FIG. 4 is a schematic view of a connection structure of the material taking pipe and the pressure vertical pulling and inserting device;
FIG. 5 is a schematic diagram of the connection of the central controller;
in the figure: 1. the device comprises a support, 1-1 parts of a support vertical rod, 1-2 parts of a transverse connecting pipe, 1-3 parts of an oblique connecting pipe, 1-4 parts of a ground anchor bolt, 1-5 parts of a bolt, 2 parts of a transverse walking track, 3 parts of a longitudinal walking track, 4 parts of a transverse walking device, 5 parts of a longitudinal walking device, 6 parts of a sampler, 7 parts of a sample conveying pipeline, 8 parts of a sample returning pipeline, 9 parts of a two-way switch, 10 parts of a motor, 11 parts of a spiral blade, 12 parts of a pressure vertical pulling and inserting device, 13 parts of a central controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, according to one aspect of the invention, an automatic sampling device for crushed stone entering a mixing station is provided, which comprises a support 1, a transverse traveling rail 2, a longitudinal traveling rail 3, a transverse traveling device 4, a longitudinal traveling device 5, a sampler 6, a sample conveying pipeline 7, a sample returning pipeline 8, a two-way switch 9, a pressure vertical pulling and inserting device 12, a central controller 13, a displacement sensor and the like.
Referring to fig. 3, a schematic view of the connection structure of the stent 1 is shown. The support 1 consists of two support vertical rods 1-1 which are arranged perpendicular to the ground, transverse connecting pipes 1-2 which are connected to the middle parts of the two support vertical rods 1-1 and inclined connecting pipes 1-3 which are respectively connected between the middle parts of the support vertical rods and the tops/bottoms of the support vertical rods, and the width between the two support vertical rods is about 3 m. The support vertical rod 1-1 is fixed on the ground through an earth anchor bolt 1-4 and used for bearing, and the transverse connecting pipe 1-2 and the oblique connecting pipe 1-3 are fixed on the support vertical rod 3 through bolts to reinforce the support. The bolt connection is detachable connection, so that each part of the support 1 is convenient to detach, assemble and transport. The two groups of supports are vertically fixed on the ground through ground anchor bolts, the top ends of the supports are connected together through a horizontal connecting rod, and the plane formed by the connecting rod and the transverse walking rail 2 is rectangular. The height of the supports 1 is determined according to the height of the transport vehicle, and is generally 0.3 to 0.5 meter higher than the transport compartment, and the distance between the supports 1 is determined according to the length of the compartment, and is generally 4 to 6 meters, and the width is 3 meters.
Referring to fig. 1 and 2, a transverse walking rail 2 is arranged at the top end of each group of supports 1, a transverse walking device 4 is arranged on each transverse walking rail 2, and a displacement sensor I is arranged on each transverse walking device. Two ends of the longitudinal walking rail 3 are respectively connected with a transverse walking device 4, so as to be erected on the transverse walking rail 2. The longitudinal walking track 3 is provided with a longitudinal walking device 5. The transverse walking device 4 and the longitudinal walking device 5 are respectively a U-shaped single-beam track walking wheel driven by a driving motor. The longitudinal walking device 5 is provided with a pressure vertical extraction and insertion device 12 and is connected with the sampler 6 through the pressure vertical extraction and insertion device 12. The sampler 6 is moved in the horizontal plane by means of the transverse walker 4 and the longitudinal walker 5.
Referring to fig. 4, the top end of the sampler 6 is provided with a motor 10, a displacement sensor III, a sample conveying pipeline 7, a sample return pipeline 8 and a bidirectional switch 9 for connecting the sample conveying pipeline 7 and the sample return pipeline 8. The bidirectional switch 9 is made of an L-shaped steel plate, a rotating shaft is arranged at the L-shaped folding point and connected with a pipeline, and the bidirectional switch is realized by adopting electronic driving rotation. Sampler 6 comprises the sleeve pipe that sets up externally and set up 11 helical blades in the epaxial helical blade of the pivot of sheathed tube inside, and the pivot is connected with motor 10, and motor 10 drive pivot rotates to it gets the material to drive helical blade 11 is rotatory. In this embodiment, the sleeve is a steel pipe. The outer wall of the steel pipe is provided with sawteeth, the pressure vertical pulling and inserting device 12 is arranged on the longitudinal walking device 5, is a gear which is divided into two parts and arranged on two sides of the outer wall of the steel pipe, is meshed with the sawteeth on the steel pipe, and adopts double-shaft reverse control to drive the sampling pipe 6 to move up and down in the vertical direction.
Referring to fig. 5, the central controller 13 is respectively connected to the horizontal running gear 4, the vertical running gear 5, the displacement sensor, the pressure vertical plugging device 12, the motor 10 and the switch control circuit of the bidirectional switch 9, and the action of the relevant components is realized through switch control. The central controller 13 is an integrated numerical control platform, the sampler 6 is moved in the transverse direction, the longitudinal direction and the vertical direction through control commands, the position signal of the sampler 6 is fed back by the displacement sensor to determine the position of the sampler 6, and the sample obtained at the appointed point automatically enters the sample conveying pipeline 7 through controlling the two-way switch 9.
According to another aspect of the invention, a sampling method using the automatic sampling device for the approach gravel of the mixing station is further provided, and the sampling method is realized by the following steps:
step 1: driving an incoming crushed stone transport vehicle to be below a support assembly of an incoming crushed stone automatic sampling device of the mixing station;
step 2: establishing a model of the transport vehicle on a display screen of the central controller 13, and inputting set sampling coordinate points including a transverse position, a longitudinal position and a depth position through an external input device;
and step 3: starting a transverse walking device 4 and a longitudinal walking device 5 according to the command of a central controller 13, wherein the transverse walking device 4 drives a longitudinal moving track 3 to move in the transverse direction, the longitudinal walking device 5 moves in the longitudinal direction along the longitudinal track 3, so that the transverse and longitudinal movement of a material taking device 6 on the longitudinal walking device 3 is realized, a displacement sensor I and a displacement sensor II on the walking device start working, the specific position of the walking device is measured, the collected signal is fed back to the central controller 13, and the central controller 13 commands the transverse walking device 4 and the longitudinal walking device 5 to stop moving after determining that the walking device reaches the set transverse and longitudinal positions;
and 4, step 4: starting a motor 10 and a pressure vertical pulling and inserting device 12, inserting the sampler 6 into the crushed stone, driving a rotating shaft driven by the motor 10 to drive a helical blade 11 to start to take materials downwards, engaging a gear of the pressure vertical pulling and inserting device 12 with sawteeth on the outer wall of a steel pipe to drive a material taking device 6 to vertically move downwards, controlling a two-way switch at the top end of the sampler to open towards a sample returning pipeline 8 when sampling is started, returning the collected unwanted crushed stone into a carriage, starting a displacement sensor at the top end of the sampler to work, and generating a signal that the sampler reaches the depth to a central controller 13;
and 5: when the central controller 13 determines that the sampler 6 is inserted into the set depth, the bidirectional switch 9 at the top end of the sampler is opened towards the material taking and conveying pipeline 7, and the sample is conveyed to a sampling point below the transport vehicle;
step 6: the central controller 12 turns off the motor 10, stops taking the material, changes the running direction of the control motor of the pressure vertical plugging device 12, and brings the sampler 6 above the transport vehicle by meshing the gears;
and 7: and (6) repeating the steps 2 to 6, sampling the crushed stones with other set points until all required sampling samples are obtained, and finishing the sampling process.
The sampling device and the sampling method provided by the invention can be used for sampling and detecting the entering crushed stones in the mixing station, avoid the safety risk of manual getting-on and sampling, overcome the defect that deep materials in a carriage cannot be sampled, and improve the sampling efficiency and accuracy.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a mix station entry rubble automatic sampling device, includes sampler and sample pipeline, its characterized in that: the device comprises a central controller and two groups of supports vertically connected to the ground, the opposite top ends of the two groups of supports are connected by a connecting rod, the top end of each group of supports is provided with a transverse walking track, the plane formed by the connecting rod and the transverse walking track is rectangular, each transverse walking track is provided with a transverse walking device and a displacement sensor I, the two ends of each longitudinal walking track are respectively connected with a transverse walking device, each longitudinal walking track is provided with a longitudinal walking device, each longitudinal walking device is provided with a displacement sensor II and a pressure vertical plugging device and is connected with a sampler through the pressure vertical plugging device, the top end of the sampler is provided with a motor, a displacement sensor III, a sample conveying pipeline, a sample returning pipeline and a two-way switch for connecting the sample conveying pipeline and the sample returning pipeline, the central controller is respectively connected with the transverse walking devices, the longitudinal walking devices, the displacement sensors, the pressure, A motor and a switch control circuit of the bidirectional switch.
2. The automatic sampling device of the yard approach gravel of claim 1, wherein: the distance between the supports is determined according to the length of the carriage, and the height of the supports is determined according to the height of the transport vehicle.
3. The automatic sampling device of the yard approach gravel of claim 2, wherein: the support includes support montant and transverse connection pole and/or slant connecting rod, and support montant perpendicular to ground parallel arrangement, transverse connection pipe vertical connection are between the support montant of both sides, and the slant connecting tube is connected between the support montant along the slash.
4. The automatic sampling device of the yard approach gravel of claim 3, wherein: the support vertical rod is connected to the ground through an earth anchor bolt, and the transverse connecting pipe and/or the oblique connecting pipe are/is connected with the support vertical rod through a bolt.
5. The automatic sampling device of the yard approach gravel of claim 1, wherein: the sampler is including setting up the sleeve pipe outside, and the sheathed tube is inside to be equipped with the pivot of taking helical blade, and the pivot is connected with the motor, and the sleeve pipe outer wall is equipped with the sawtooth, and the vertical plug device of taking out of pressure passes through sawtooth and sampler meshing.
6. The automatic sampling device of the yard approach gravel of claim 5, wherein: the pressure vertical extraction and insertion device is a group of gears which are respectively arranged on two sides of the outer wall of the sleeve.
7. The automatic sampling device of the yard approach gravel of claim 1, wherein: the transverse walking device and the longitudinal walking device are respectively walking wheels driven by a driving motor.
8. A sampling method of the automatic sampling device of the blender station approach gravel as claimed in any one of claims 1 to 7 is implemented by the following steps:
step 1: driving an incoming crushed stone transport vehicle to be below a support assembly of an incoming crushed stone automatic sampling device of the mixing station;
step 2: inputting a set sampling position and a set sampling depth through a central controller;
and step 3: the transverse walking device and the longitudinal walking device respectively move on the transverse walking track and the longitudinal walking track according to the instruction of the central controller to drive the sampler to move transversely and longitudinally;
and 4, step 4: after the sampler reaches a set position, a motor and a pressure vertical drawing and inserting device are started, the sampler is inserted into the crushed stone, a bidirectional switch at the top end of the sampler is opened towards a sample return pipeline during insertion, and a sampled product returns to the carriage of the transport vehicle through the sample return pipeline;
and 5: when the sampler is inserted into a set depth, the bidirectional switch at the top end of the sampler is opened towards the material taking and conveying pipeline, and the sample is conveyed to a sampling point below the transport vehicle;
step 6: turning off the motor, changing the motor running direction of the pressure vertical plugging device, and bringing the sampler above the transport vehicle;
and 7: and (6) repeating the steps 2 to 6, sampling the crushed stones with other set points until all required sampling samples are obtained, and finishing the sampling process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010242492.0A CN111189671A (en) | 2020-03-31 | 2020-03-31 | Automatic sampling device and sampling method for entering crushed stone of mixing station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010242492.0A CN111189671A (en) | 2020-03-31 | 2020-03-31 | Automatic sampling device and sampling method for entering crushed stone of mixing station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111189671A true CN111189671A (en) | 2020-05-22 |
Family
ID=70708720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010242492.0A Pending CN111189671A (en) | 2020-03-31 | 2020-03-31 | Automatic sampling device and sampling method for entering crushed stone of mixing station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111189671A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116297273A (en) * | 2023-05-22 | 2023-06-23 | 北京易兴元石化科技有限公司 | On-line analysis system and method for coal quality based on factory entry |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2906584Y (en) * | 2006-01-17 | 2007-05-30 | 朱志明 | Fully intelligent dynamic train wagon sampler |
| CN205785873U (en) * | 2016-05-25 | 2016-12-07 | 海南金海浆纸业有限公司 | A kind of vehicle-mounted wood chip automatic sampling apparatus |
| CN106969944A (en) * | 2017-04-28 | 2017-07-21 | 湖南三德科技股份有限公司 | A kind of spiral sampling device |
| CN108956210A (en) * | 2018-07-25 | 2018-12-07 | 洪忠宽 | A kind of bagged grain detection sampler using spiral Stratified Sampling |
| CN110631867A (en) * | 2019-11-04 | 2019-12-31 | 吉林威迅科技开发有限公司 | Full-automatic cereal sampler |
| CN211717852U (en) * | 2020-03-31 | 2020-10-20 | 中国二十二冶集团有限公司 | Automatic sampling device for entering crushed stone of mixing station |
-
2020
- 2020-03-31 CN CN202010242492.0A patent/CN111189671A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2906584Y (en) * | 2006-01-17 | 2007-05-30 | 朱志明 | Fully intelligent dynamic train wagon sampler |
| CN205785873U (en) * | 2016-05-25 | 2016-12-07 | 海南金海浆纸业有限公司 | A kind of vehicle-mounted wood chip automatic sampling apparatus |
| CN106969944A (en) * | 2017-04-28 | 2017-07-21 | 湖南三德科技股份有限公司 | A kind of spiral sampling device |
| CN108956210A (en) * | 2018-07-25 | 2018-12-07 | 洪忠宽 | A kind of bagged grain detection sampler using spiral Stratified Sampling |
| CN110631867A (en) * | 2019-11-04 | 2019-12-31 | 吉林威迅科技开发有限公司 | Full-automatic cereal sampler |
| CN211717852U (en) * | 2020-03-31 | 2020-10-20 | 中国二十二冶集团有限公司 | Automatic sampling device for entering crushed stone of mixing station |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116297273A (en) * | 2023-05-22 | 2023-06-23 | 北京易兴元石化科技有限公司 | On-line analysis system and method for coal quality based on factory entry |
| CN116297273B (en) * | 2023-05-22 | 2023-08-18 | 北京易兴元石化科技有限公司 | On-line analysis system and method for coal quality based on factory entry |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211717852U (en) | Automatic sampling device for entering crushed stone of mixing station | |
| CN204772993U (en) | Indoor weak soil powder spouts solidification equipment | |
| CN111189671A (en) | Automatic sampling device and sampling method for entering crushed stone of mixing station | |
| CN108946646B (en) | Full-automatic car loading oil filling riser | |
| CN201548519U (en) | Wall-climbing magnetic leakage scanning detector for storage tank wallboard | |
| CN105716549A (en) | Intelligent digital display platform limit measuring vehicle and measuring method | |
| CN112761653B (en) | Muddy water-soil pressure double-mode switchable shield tunneling simulation test device | |
| CN109611157B (en) | Intelligent monitoring system and method for deformation of large-section chamber of deep mine | |
| CN117268820A (en) | Integrated submarine ore collection experiment platform | |
| CN214403480U (en) | Novel pipe pole storage maintenance system for drilling/workover operation | |
| CN207180659U (en) | Civil construction measurement apparatus | |
| CN212663058U (en) | Dust device is adopted in opencut coal mining | |
| CN113702997A (en) | Method for forming visual data for dark culvert structure detection | |
| CN112814591A (en) | Novel pipe pole storage maintenance system for drilling/workover operation | |
| CN206339393U (en) | A kind of sampling apparatus for detecting position of vehicle | |
| CN110816698A (en) | Full-automatic geological radar auxiliary tracked vehicle and working method | |
| CN109752214B (en) | Automatic concentrate material sampling equipment and application method thereof | |
| CN213714825U (en) | Tailing pulp sampling device | |
| CN201212857Y (en) | Novel multi-span sampling device for train | |
| CN112782389A (en) | Geological exploration system for shield overlapping tunnel construction of deep sandy mucky soil layer | |
| CN114455531A (en) | Automatic butt joint device and method for loading of fluid tank truck | |
| CN209259669U (en) | A kind of detection device for entrucking oil filling riser | |
| CN221763132U (en) | Movable detection device for shield tunnel | |
| CN220789354U (en) | Road flatness detection device for highway engineering | |
| CN221078114U (en) | Sampling device for coal transporting vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |