CN102806197A - Material blockage detection system, screening machine and material blockage detection method - Google Patents
Material blockage detection system, screening machine and material blockage detection method Download PDFInfo
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- CN102806197A CN102806197A CN2012102888742A CN201210288874A CN102806197A CN 102806197 A CN102806197 A CN 102806197A CN 2012102888742 A CN2012102888742 A CN 2012102888742A CN 201210288874 A CN201210288874 A CN 201210288874A CN 102806197 A CN102806197 A CN 102806197A
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- 238000012216 screening Methods 0.000 title claims abstract description 114
- 239000000463 material Substances 0.000 title claims abstract description 103
- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims description 20
- 238000007873 sieving Methods 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 5
- 239000004576 sand Substances 0.000 description 5
- 238000013016 damping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a material blockage detection system for a screening machine, which comprises a first signal transmitting device and a first signal receiving device, wherein the first signal transmitting device and the first signal receiving device are respectively positioned on two sides of a material inlet of a screening box in the screening machine; the second signal transmitting device and the second signal receiving device are respectively positioned on two sides of a discharge port below one screen of the screening box; and the control device is used for acquiring the signal receiving states of the first signal receiving device and the second signal receiving device, and determining that the material blockage occurs in the screening machine when the first signal receiving device does not receive the signal of the first signal transmitting device and the second signal receiving device receives the signal of the second signal transmitting device. The blockage detection system can timely find the blockage phenomenon of the screening machine, so that workers can timely halt and overhaul and clear away the blockage, and follow-up processes are guaranteed. The invention also provides a screening machine applying the material blockage detection system and a material blockage detection method for the material blockage detection system.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a material blockage detection system, a screening machine and a material blockage detection method.
Background
The vibrating screen machine generally comprises a screening box and a vibrating device, wherein at least one layer of screen is arranged in the screening box, and the screening box is provided with a feeding port and at least two discharging ports for respectively discharging materials with different specifications; after the materials to be screened are placed into the screening box through the feeding port of the screening box, the vibrating device provides vibrating power for the screen, one part of the materials pass through the screen after being screened by the screen, the other part of the materials cannot pass through the screen due to the fact that the specification of the materials is larger than that of the sieve pores of the screen, the two parts of the materials are discharged through different discharge ports respectively, and finally the materials are screened.
For example, in the field of construction technology, dry mortar is a construction material prepared by mixing a specific solid mixture, which is obtained by mixing a dried and screened fine aggregate with cement, a water-retaining thickening material, and optionally additives, mineral admixtures, etc., in a specific ratio at a site of use with water or a liquid. Wherein, the dry sand is an important component in the fine aggregate, and the unqualified dry sand can influence the quality of the mortar. Therefore, the original dry sand is screened by a screening machine, and then the dry sand with larger particles is screened out, so that the small-particle dry sand meeting the quality requirement is obtained; in the screening process, because the mesh aperture of the screen cloth is certain, the great grit of granule is very easy to be all stifled the sieve mesh of screen cloth, produces the putty phenomenon for the grit of tiny granule also can't pass through the sieve mesh of screen cloth, and then makes the screening machine lose the screening function, leads to the unable going on of following technology.
Disclosure of Invention
The invention provides a material blockage detection system, a screening machine and a material blockage detection method, which can detect the material blockage phenomenon of the screening machine in time.
In order to achieve the purpose, the invention provides the following technical scheme:
a blockage detection system for a screening machine, comprising:
the first signal transmitting device and the first signal receiving device are used for receiving signals of the first signal transmitting device and are respectively positioned on two sides of a feeding opening of a screening box in the screening machine;
the second signal transmitting device and the second signal receiving device are used for receiving signals of the second signal transmitting device and are respectively positioned at two sides of the discharge hole below one screen mesh of the screening box;
and the control device is in signal connection with the first signal receiving device and the second signal receiving device and is used for acquiring the signal receiving states of the first signal receiving device and the second signal receiving device and determining that the material blockage occurs in the sieving machine when the first signal receiving device does not receive the signal of the first signal transmitting device and the second signal receiving device receives the signal of the second signal transmitting device.
After the screening machine operates, when materials enter the screening box through the feeding port of the screening machine, the materials can block a signal transmission path between the first signal transmitting device and the first signal receiving device, the first signal receiving device cannot receive signals transmitted by the first signal transmitting device, and the situation that the materials enter the feeding port is indicated; the second signal transmitting device and the second signal receiving device are positioned on two sides of a discharge port below one screen mesh in a screening box of the screening machine, when materials are discharged from the discharge port, the discharged materials can block a signal transmission path between the second signal transmitting device and the second signal receiving device corresponding to the discharge port, the second signal receiving device cannot receive signals transmitted by the second signal transmitting device, and at the moment, the discharge port is indicated to be discharged; when the first signal receiving device does not receive the signal of the first signal transmitting device and the second signal receiving device receives the signal of the second signal transmitting device, the fact that materials are fed into a feeding port of the screening box and no materials are discharged from a discharging port of the screen is indicated, the screen corresponding to the second signal receiving device does not pass through the materials, the possibility of material blockage is high, and the control device determines the result as that the screening machine is blocked.
The blockage detection system of the screening machine provided by the invention can detect blockage of the screening machine, is convenient for workers to halt and overhaul in time and remove the blockage, so as to ensure the follow-up process.
In addition, according to the blockage detection system provided by the invention, the first signal transmitting device, the first signal receiving device, the second signal transmitting device and the second signal receiving device can detect the blockage phenomenon without being in direct contact with the material, the blockage detection system is not subjected to collision, predicted erosion and the like of the material, and the service life is longer.
In a further technical scheme, the invention also provides a screening machine which comprises a screening box and a vibration device, wherein at least one layer of screen is arranged in the screening box, and the screening box is provided with a feeding hole, a discharging hole and at least one discharging hole; wherein,
the feeding port is used for filling materials before screening into the screening box;
a discharge opening for discharging material that does not pass through the screen;
the discharging ports correspond to at least one layer of screen cloth of the screening box one by one and are positioned below the corresponding screen cloth and used for discharging materials passing through meshes of the layer of screen cloth;
the material blockage detection system also comprises any one of the material blockage detection systems mentioned in the technical scheme.
Because this screening machine has any one kind of putty detecting system who mentions in above-mentioned technical scheme, consequently, this screening machine can discover in time and get rid of the putty phenomenon when the operation, and work efficiency is higher.
In addition, the invention also provides a material blockage detection method for the material blockage detection system, which comprises the following steps:
acquiring the state of the first signal receiving device for receiving the signal of the first signal transmitting device through the control device, and acquiring the state of the second signal receiving device for receiving the signal of the second signal transmitting device;
and determining that the material blockage of the screening machine occurs when the first signal receiving device does not receive the signal of the first signal transmitting device and the second signal receiving device receives the signal of the second signal transmitting device.
The first signal transmitting device located on one side of the feeding port transmits signals to the first signal receiving device located on the other side of the feeding port, when materials enter the screening box of the screening machine through the feeding port of the screening machine, the materials can block a signal transmission path between the first signal transmitting device and the first signal receiving device, the first signal receiving device cannot receive the signals transmitted by the first signal transmitting device, and at the moment, the situation that the materials enter the feeding port is indicated; the second signal transmitting device and the second signal receiving device are positioned on two sides of a discharge port below one screen mesh in a screening box of the screening machine, when materials are discharged from the discharge port, the discharged materials can block a signal transmission path between the second signal transmitting device and the second signal receiving device corresponding to the discharge port, the second signal receiving device cannot receive signals transmitted by the second signal transmitting device, and at the moment, the discharge port is indicated to be discharged; when the first signal receiving device does not receive the signal of the first signal transmitting device and the second signal receiving device receives the signal of the second signal transmitting device, the situation that materials are fed into a feeding port of the screening box and no materials are discharged from a discharging port of the screen is indicated, and no materials pass through the screen corresponding to the second signal receiving device, so that the situation that the screening machine is blocked is determined.
By the method, the blockage detection can be carried out, and the blockage phenomenon of the screening machine can be found in time, so that workers can conveniently halt and overhaul in time, and remove the blockage, thereby ensuring the follow-up process.
Drawings
FIG. 1 is a schematic diagram of the structural principle of a material blockage detection system in a sieving machine provided by the invention
FIG. 2 is a schematic structural diagram of a screening machine provided by the present invention;
fig. 3 is a flow chart of a plugging detection method of the plugging detection system according to the present invention;
fig. 4 is a schematic diagram of the detection principle of the blockage detection method of the blockage detection system provided by the invention.
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.
As shown in fig. 1, the present invention provides a blockage detection system for a sieving machine, including:
the first signal transmitting device 211 and the first signal receiving device 212 for receiving signals of the first signal transmitting device 211 are respectively positioned at two sides of a feeding port 11 of the screening box 1 in the screening machine;
the second signal transmitting device 221 and the second signal receiving device 222 for receiving the signal of the second signal transmitting device 221 are respectively positioned at two sides of the discharge port 12 below one screen 16 of the screening box 1;
the first signal transmitting device 211 transmits a signal to the first signal receiving device 212 when the material blockage detection is performed;
and the control device 19 is in signal connection with the first signal receiving device 212 and the second signal receiving device 222, and is used for acquiring the signal receiving states of the first signal receiving device 212 and the second signal receiving device 222, and determining that the material blockage occurs in the sieving machine when the first signal receiving device 212 does not receive the signal of the first signal transmitting device 211 and the second signal receiving device 222 receives the signal of the second signal transmitting device 221.
As shown in fig. 2, after the sieving machine is operated, when a material enters the sieving box 1 through the feeding port 11 of the sieving machine, the material may block a signal transmission path between the first signal transmitting device 211 and the first signal receiving device 212, and the first signal receiving device 212 cannot receive a signal transmitted by the first signal transmitting device 211, which indicates that the material enters the feeding port 11; when the material is discharged from the discharge port 12, the discharged material may block a signal transmission path between the second signal transmitting device 221 and the second signal receiving device 222 corresponding to the discharge port 12, and the second signal receiving device 222 cannot receive the signal transmitted by the second signal transmitting device 221, which indicates that the material is discharged from the discharge port; when the first signal receiving device 212 does not receive the signal of the first signal transmitting device 211, and the second signal receiving device 222 receives the signal of the second signal transmitting device 221, it indicates that there is material entering at the material inlet 11 of the screening box, but there is no material discharging at the material outlet 12 of the screening box, and there is a great possibility that the material is blocked because there is no material passing through the screening box 16 corresponding to the second signal receiving device 222, and at this time, the control device 19 determines that the material is blocked in the screening machine.
The blockage detection system of the screening machine provided by the invention can detect blockage of the screening machine, is convenient for workers to halt and overhaul in time and remove the blockage, so as to ensure the follow-up process.
In addition, according to the blockage detection system provided by the invention, the first signal transmitting device 211, the first signal receiving device 212, the second signal transmitting device 221, the second signal receiving device 222 and the control device 19 can detect the blockage phenomenon without being in direct contact with the material, and the blockage detection system is not subjected to collision, expected erosion and the like of the material and has a long service life.
Of course, the blocking material detection system can also obtain the following results:
and when the first signal receiving device 212 does not receive the signal of the first signal transmitting device 211 and the second signal receiving device 222 does not receive the signal of the second signal transmitting device 221, determining that the screening machine normally operates.
When the first signal receiving device 212 receives the signal of the first signal transmitting device 211 and the second signal receiving device 222 does not receive the signal of the second signal transmitting device 221, it is determined that no material enters the sieving machine and the remaining material in the sieving box of the sieving machine is not sieved.
When the first signal receiving device 212 receives the signal of the first signal emitting device 211 and the second signal receiving device 222 receives the signal of the second signal emitting device 221, it is determined that the screening work of the screening machine is completed.
Preferably, the control device 19 mentioned in the above technical solution is a programmable logic controller, the system of the programmable logic controller is flexible in configuration and easy to expand, and can form a complex control system with an upper mechanism, thereby realizing the comprehensive automation of the production process, providing an expansion premise for the automatic control of the screening machine, and having strong anti-interference capability and strong reliability.
Preferably, the above-mentioned blockage detection system further comprises: the signal is connected with an alarm device (not shown in the figure) of the control device, and the alarm device is triggered to give an alarm when the control device determines that the material blockage of the sieving machine occurs. The alarm device can give an alarm when the control device determines that the screening machine is blocked, and timely informs workers of relevant operations.
Specifically, the first signal transmitting device 211, the first signal receiving device 212, the second signal transmitting device 221 and the second signal receiving device 222 may have various selection modes. Such as:
the first signal emitting device 211 and the second signal emitting device 221 may be infrared signal emitters, and the first signal receiving device 212 and the second signal receiving device 222 may be infrared signal receivers.
The first signal transmitting device 211 and the second signal transmitting device 221 may also be microwave signal transmitters, and the first signal receiving device 212 and the second signal receiving device 222 may also be microwave signal receivers.
Of course, the first signal transmitting device 211 and the second signal receiving device 221 may also be electromagnetic wave transmitters, and the first signal receiving device 212 and the second signal receiving device 222 may also be electromagnetic wave receiving devices.
More specifically, the first signal transmitting apparatus 211 and the second signal transmitting apparatus 221 may also be different transmitters, and are not described in detail here.
As shown in fig. 2, the invention also provides a screening machine, which comprises a screening box 1 and a vibration device, wherein at least one layer of screen 16 is arranged in the screening box 1, and the screening box 1 is provided with a feeding port 11, a discharging port 13 and at least one discharging port 12; the feeding port 11 is used for filling materials before screening into the screening box 1; the discharge opening 13 is used for discharging materials which do not pass through the screen 16; at least one discharge port 12, corresponding to at least one layer of screen 16 of the screening box 1 one by one, and located below the corresponding screen 16, for discharging the material passing through the mesh of the layer of screen 16; the screening machine further comprises any one of the blockage detection systems in the technical scheme.
Through the putty detecting system mentioned in the above technical scheme, the putty phenomenon can be detected out in time in the screening machine operation process to the staff in time handles the putty, guarantees going on smoothly of follow-up technology, and work efficiency is higher.
Preferably, the vibrating device is at least one vibrating motor 17 corresponding to the screens 16 one by one, and each vibrating motor 17 is mounted on the corresponding screen 16. The vibrating motor 17 drives the screen 16 to vibrate, so that the screen 16 screens the materials.
In order to limit the screening box 1 and ensure the stability of the support, the screening machine further comprises a support 15, and a buffer device is arranged between the screening box 1 and the support 15. Support 15 is used for supporting screening case 1, realizes the angle of inclination of screening case 1, and buffer can reduce the influence of the vibration of screening case 1 to support 15.
Preferably, the damping means includes a support column 141 and a support column 181 provided to the bracket 15, and a damping spring 142 having one end fixed to the support column 141 and the other end fixed to the classifying box 1, and a damping spring 182 having one end fixed to the support column 181 and the other end fixed to the classifying box 1, as shown in fig. 1.
As shown in fig. 3, the present invention further provides a method for detecting a plugged material in any one of the above-mentioned technical solutions, where the method includes the steps of:
the control device obtains the state that the first signal receiving device 212 receives the signal of the first signal transmitting device 211, and obtains the state that the second signal receiving device 222 receives the signal of the second signal transmitting device 221;
and determining that the material blockage of the screening machine occurs when the first signal receiving device 212 does not receive the signal of the first signal transmitting device 211 and the second signal receiving device 222 receives the signal of the second signal transmitting device 221.
Specifically, the working principle of the material blockage detection system is as follows:
when a material enters the screening box 1 of the screening machine through the feeding port 11 of the screening machine, the material can block a signal transmission path between the first signal transmitting device 211 and the first signal receiving device 212, the first signal receiving device 212 cannot receive the signal transmitted by the first signal transmitting device 211, and the situation that the material enters the feeding port 11 is indicated; when the material is discharged from the discharge port 12, the discharged material may block a signal transmission path between the second signal transmitting device 221 and the second signal receiving device 222 corresponding to the discharge port 12, and the second signal receiving device 222 cannot receive the signal transmitted by the second signal transmitting device 221, which indicates that the material is discharged from the discharge port; when the first signal receiving device 212 does not receive the signal of the first signal transmitting device 211 and the second signal receiving device 222 receives the signal of the second signal transmitting device 221, it indicates that there is material entering the material inlet 11 of the screening box and no material discharging from the material outlet 12 of the screening box, and there is no material passing through the screening 16 corresponding to the second signal receiving device 222, thereby determining that the material blocking occurs in the screening machine.
By the method, the blockage detection can be carried out, and the blockage phenomenon of the screening machine can be found in time, so that workers can conveniently halt and overhaul in time, and remove the blockage, thereby ensuring the follow-up process.
Of course, as shown in fig. 4, the following results can also be obtained by the detection method of the material blockage detection system:
and when the first signal receiving device 212 does not receive the signal of the first signal transmitting device 211 and the second signal receiving device 222 does not receive the signal of the second signal transmitting device 221, determining that the screening machine normally operates.
When the first signal receiving device 212 receives the signal of the first signal transmitting device 211 and the second signal receiving device 222 does not receive the signal of the second signal transmitting device 221, it is determined that no material enters the sieving machine and the remaining material in the sieving box of the sieving machine is not sieved.
When the first signal receiving device 212 receives the signal of the first signal emitting device 211 and the second signal receiving device 222 receives the signal of the second signal emitting device 221, it is determined that the screening work of the screening machine is completed.
The testing method can conveniently detect various working states of the screening machine, and when the screening machine is blocked, the blocking detection system can detect the blocking in time, so that workers can process the blocking in time, and the smooth proceeding of subsequent processes is ensured.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A putty detection system for a screening machine, comprising:
the first signal transmitting device and the first signal receiving device are used for receiving signals of the first signal transmitting device and are respectively positioned on two sides of a feeding opening of a screening box in the screening machine;
the second signal transmitting device and the second signal receiving device are used for receiving signals of the second signal transmitting device and are respectively positioned at two sides of the discharge hole below one screen mesh of the screening box;
and the control device is in signal connection with the first signal receiving device and the second signal receiving device and is used for acquiring the signal receiving states of the first signal receiving device and the second signal receiving device and determining that the material blockage occurs in the sieving machine when the first signal receiving device does not receive the signal of the first signal transmitting device and the second signal receiving device receives the signal of the second signal transmitting device.
2. The plugging detection system of claim 1, further comprising: the control device determines that the material blockage of the sieving machine occurs and also triggers the alarm device to alarm.
3. The blockage detection system according to claim 1 or 2, wherein said first signal transmitting device and said second signal transmitting device are infrared signal transmitters, and said first signal receiving device and said second signal receiving device are infrared signal receivers.
4. The blockage detection system according to claim 1 or 2, wherein said first signal transmitting device and said second signal transmitting device are microwave signal transmitters, and said first signal receiving device and said second signal receiving device are microwave signal receivers.
5. A screening machine comprises a screening box and a vibrating device, wherein at least one layer of screen is arranged in the screening box, and the screening box is provided with a feeding port, a discharging port and at least one discharging port; wherein,
the feeding port is used for filling materials before screening into the screening box;
a discharge opening for discharging material that does not pass through the screen;
the discharging ports correspond to at least one layer of screen cloth of the screening box one by one and are positioned below the corresponding screen cloth and used for discharging materials passing through meshes of the layer of screen cloth; it is characterized in that the preparation method is characterized in that,
the plugging detection system of any one of claims 1-4.
6. A method of blockage detection for use in a system according to any of claims 1-4, comprising the steps of:
acquiring the state of the first signal receiving device for receiving the signal of the first signal transmitting device through the control device, and acquiring the state of the second signal receiving device for receiving the signal of the second signal transmitting device;
and determining that the material blockage of the screening machine occurs when the first signal receiving device does not receive the signal of the first signal transmitting device and the second signal receiving device receives the signal of the second signal transmitting device.
7. The plugging detection method according to claim 6,
and determining that the screening machine normally operates when the first signal receiving device does not receive the signal of the first signal transmitting device and the second signal receiving device does not receive the signal of the second signal transmitting device.
8. The plugging detection method according to claim 6,
and when the first signal receiving device receives the signal of the first signal transmitting device and the second signal receiving device does not receive the signal of the second signal transmitting device, determining that no material enters the screening machine and residual materials in the screening box of the screening machine are not screened.
9. The plugging detection method according to claim 6,
and determining that the screening work of the screening machine is finished when the first signal receiving device receives the signal of the first signal transmitting device and the second signal receiving device receives the signal of the second signal transmitting device.
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| CN201210288874.2A CN102806197B (en) | 2012-08-14 | 2012-08-14 | Material blockage detection system, screening machine and material blockage detection method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105289981A (en) * | 2015-12-08 | 2016-02-03 | 江苏捷帝机器人股份有限公司 | Vibrating screen capable of automatically replacing screen body |
| CN110346374A (en) * | 2019-07-26 | 2019-10-18 | 重庆工商大学 | A kind of swivel nut visual detection equipment facilitating blowing |
| CN112122118A (en) * | 2020-09-07 | 2020-12-25 | 中国矿业大学 | Intelligent diagnosis system and diagnosis method for health state of screening surface in screening process |
| CN114802963A (en) * | 2022-04-29 | 2022-07-29 | 合肥正远智能包装科技有限公司 | Sealing device capable of preventing material clamping and material blocking and working method thereof |
| CN116393624A (en) * | 2023-06-09 | 2023-07-07 | 邦迪智能装备(河南)有限公司 | Flat copper wire unloading collection device |
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| CN202032866U (en) * | 2011-03-22 | 2011-11-09 | 福建百川资源再生科技有限公司 | Novel drying tower |
| CN102247947A (en) * | 2011-04-12 | 2011-11-23 | 上海德滨环保科技有限公司 | Two-stage separation method for disposing building garbage |
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| CN202032866U (en) * | 2011-03-22 | 2011-11-09 | 福建百川资源再生科技有限公司 | Novel drying tower |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105289981A (en) * | 2015-12-08 | 2016-02-03 | 江苏捷帝机器人股份有限公司 | Vibrating screen capable of automatically replacing screen body |
| CN110346374A (en) * | 2019-07-26 | 2019-10-18 | 重庆工商大学 | A kind of swivel nut visual detection equipment facilitating blowing |
| CN112122118A (en) * | 2020-09-07 | 2020-12-25 | 中国矿业大学 | Intelligent diagnosis system and diagnosis method for health state of screening surface in screening process |
| CN114802963A (en) * | 2022-04-29 | 2022-07-29 | 合肥正远智能包装科技有限公司 | Sealing device capable of preventing material clamping and material blocking and working method thereof |
| CN116393624A (en) * | 2023-06-09 | 2023-07-07 | 邦迪智能装备(河南)有限公司 | Flat copper wire unloading collection device |
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| CN102806197B (en) | 2016-01-27 |
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