CN113200363A - Automatic polyphenyl particle conveying system applied to composite wallboard production line - Google Patents
Automatic polyphenyl particle conveying system applied to composite wallboard production line Download PDFInfo
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- CN113200363A CN113200363A CN202110676815.1A CN202110676815A CN113200363A CN 113200363 A CN113200363 A CN 113200363A CN 202110676815 A CN202110676815 A CN 202110676815A CN 113200363 A CN113200363 A CN 113200363A
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- bin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/36—Arrangements of containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/40—Feeding or discharging devices
- B65G53/50—Pneumatic devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/52—Adaptations of pipes or tubes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to a material conveying system, in particular to an automatic polyphenyl particle conveying system applied to a composite wallboard production line. According to the automatic conveying system for the polyphenyl granules, the feeding bin is connected to the inlet end of the transfer fan, the outlet end of the transfer fan is connected with the feeding port of the storage bin, the discharging port of the storage bin is connected with the inlet end of the feeding fan, the outlet end of the feeding fan is connected with the conveying pipeline III, and the conveying pipeline III leads to the stirring bin for the polyphenyl granules; the flow metering device is arranged on the third conveying pipeline, the first pressure sensing device is arranged on the inner wall of the upper storage bin, the second pressure sensing device is arranged on the inner wall of the storage bin, and the lower limit alarm device is arranged on the storage bin. The start and stop of different devices of the automatic polyphenyl particle conveying system are controlled by sensing the pressure generated by the polyphenyl particles, so that the automatic conveying of the polyphenyl particles is realized; the automation degree is high, and the production efficiency can be greatly improved.
Description
Technical Field
The invention relates to a material conveying system, in particular to an automatic polyphenyl particle conveying system applied to a composite wallboard production line.
Background
The polyphenyl granules are one of the important raw materials for producing the composite wallboard and have the characteristics of light weight and large volume. At present, polyphenyl granules used in a composite wallboard production line are usually fed by a manpower cart or a forklift, and have low automation degree, large manual demand and large dependence on people. The transfer process has many human uncontrollable factors, and the problems of inaccurate batching, uneven mixing, material shortage, material breakage and the like caused by human errors are easily caused. But also causes the problems of dirty and messy working environment and pollution caused by the leakage of raw materials, thus leading to lower production efficiency and high production cost, and further failing to meet the production requirements.
Disclosure of Invention
In order to solve the technical problems existing in the composite wallboard production line that a manual cart or a forklift is used for feeding materials, the invention provides an automatic polyphenyl particle conveying system applied to the composite wallboard production line; the automatic conveying system for polyphenyl granules can automatically finish conveying, storing and metering of polyphenyl granules, has high automation degree and can greatly improve the production efficiency.
The technical scheme of the invention is as follows:
an automatic polyphenyl granule conveying system applied to a composite wallboard production line mainly comprises a transfer fan 1, a feeding fan 3, a conveying pipeline I4, a feeding bin 5, a storage bin 6, a pressure sensing device I8, a pressure sensing device II 9, a lower limit alarm device 10, a flow metering device 12 and a conveying pipeline III 14;
the feeding bin 5 is connected to the inlet end of the transfer fan 1 through a pipeline, the outlet end of the transfer fan 1 is connected to the feeding port of the storage bin 6 through a first conveying pipeline 4, the discharging port of the storage bin 6 is connected to the inlet end of the feeding fan 3 through a pipeline, the outlet end of the feeding fan 3 is connected to a third conveying pipeline 14, and the third conveying pipeline 14 leads to the stirring bin for the polyphenyl granules; the flow metering device 12 is installed on the third conveying pipeline 14, the first pressure sensing device 8 is installed on the inner wall of the upper storage bin 5, the second pressure sensing device 9 is installed on the inner wall of the storage bin 6, and the lower limit alarm device 10 is installed on the storage bin 6.
The pressure sensing device I8 is used for sensing the pressure generated by the polystyrene particles in the upper storage bin 5 and controlling the start and stop of the transfer fan 1 according to the sensing result,
the second pressure sensing device 9 is used for sensing the pressure generated by the polystyrene particles in the storage bin 6 and controlling the stop of the transfer fan 1, the stop of the first pressure sensing device 8 and the lower limit alarm device to send out alarm signals according to sensing results;
the lower limit alarm device 10 sends out an alarm signal according to the sensing result of the second pressure sensing device 9;
and a flow meter 12 for measuring the amount of the polyphenylene particles conveyed therethrough and controlling the stop of the feeding fan 3.
The system and the method have the advantages that the pressure generated by the polyphenyl particles is sensed, so that the starting and stopping of different devices of the automatic polyphenyl particle conveying system are controlled, and the automatic conveying of the polyphenyl particles is realized. In the practical production, in order to have enough reserve volume, the storage bin 6 is usually large in volume and high in height, and manual or forklift feeding is inconvenient, so that the storage bin is provided with the feeding bin 5 for feeding. The upper storage bin 5 has smaller volume and lower height, which is far smaller than the storage bin 6 but far larger than the common feed hopper, so that the polyphenyl granules are conveniently carried by manpower or transported to the upper storage bin 5 by a fork truck or other storage equipment; the feeding bin 5 transfers the polyphenyl granules to the storage bin 6 through the transfer fan 1. Thereby solving the problem of inconvenient feeding of workers or forklifts. Preferably, the capacity of the upper silo 5 is 1/80-100 times the capacity of the storage silo 6. The specific shape of the upper bin 5 can be as shown in the figure, and is a hollow cube, and the upper surface is not sealed.
Above-mentioned be applied to polyphenyl granule automatic conveying system of composite wall panel production line, discovery has the problem that material loading fan 3 blocks easily in concrete operation process. Research shows that the feeding fan 3 stops after a feeding stopping signal is sent out, but the materials in the storage bin 6 are still conveyed to the feeding fan 3 due to inertia, so that the feeding fan 3 is extruded, and the feeding fan 3 is blocked and jammed. Therefore, the invention further improves the automatic conveying system of the polyphenyl granules applied to the composite wallboard production line: a metering bin 7 and a metering fan 2 are arranged between the storage bin 6 and the feeding fan 3; the discharge port of the storage bin 6 is connected with the inlet end of the metering fan 2 through a pipeline, the outlet end of the metering fan 2 is connected with the feeding port of the metering bin 7 through a second conveying pipeline 13, and the discharge port of the metering bin 7 is connected with the inlet end of the feeding fan 3 through a pipeline. The design capacity of the metering bin 7 is far lower than that of the storage bin 6, that is, the amount of the materials in the metering bin 7 is far lower than that of the materials in the storage bin 6, and the pressure generated by the materials in the metering bin 7 is also far lower than that generated by the materials in the storage bin 6. After the metering bin 7 is added, the feeding fan 3 stops running after a feeding stopping signal is sent out, and the pressure generated by the materials in the metering bin 7 is far lower than that generated by the materials in the storage bin 6, so that the pressure on the feeding fan 3 is low, and the blocking and blocking probability of the feeding fan 3 is greatly reduced. (the effect that can be produced by adding some measuring bins 7 can be added here)
In the automatic polyphenyl particle conveying system applied to the composite wallboard production line, a third pressure sensing device 11 is preferably arranged in the metering bin 7; the third pressure sensing device 11 is used for sensing the pressure of the polystyrene particles in the metering bin 7 and controlling the start and stop of the metering fan 2. Set up pressure sensing device three 11 in the measurement storehouse 7, can also accurately measure the required polyphenyl granule of once stirring, provide the required polyphenyl granule of a duty cycle for terminal equipment, as the reserve automatic measurement when flow meter 12 breaks down, can be used to manual mode simultaneously.
Above-mentioned be applied to polyphenyl granule automatic conveying system of composite wall panel production line, the design capacity of measurement storehouse 7 is higher than once stirs required volume can. Preferably, it is 1.1 to 1.2 times the amount required for one-time stirring.
In the automatic polyphenyl particle conveying system applied to the composite wallboard production line, the inlet end of the metering bin 7 is positioned at the top of the metering bin 7; the discharge hole of the metering bin 7 is positioned at the bottom of the metering bin 7.
Above-mentioned be applied to polyphenyl granule automatic conveying system of composite wall panel production line, the arbitrary shape that the shape of feed bin 5, storage silo 6 and measuring bin 7 is for realizing, like square shape, cylinder shape, cone shape and jar body shape etc..
The working principle of the automatic conveying system for polyphenyl granules disclosed by the invention is as follows: after receiving the feeding signal, the feeding fan 3 is started to convey the polyphenyl granules in the metering bin 7 into the equipment which sends the instruction through the third conveying pipeline 14, meanwhile, the flow meter 12 arranged in the third conveying pipeline 14 starts to meter, and when the polyphenyl granules which pass through reach the set value of the flow meter 12, the feeding fan 3 stops to finish the feeding work. When the pressure generated by the polyphenyl granules in the metering bin 7 is lower than the set value of the pressure sensing device III 11, the metering fan 2 is started to convey the polyphenyl granules in the storage bin 6 into the metering bin 7 through a second conveying pipeline 13; when the pressure generated by the polystyrene particles in the metering bin 7 reaches the set value of the third pressure sensing device 11, the metering fan 2 stops; the polyphenyl granules required by one working cycle are always stored in the metering bin 7. When the pressure generated by the polystyrene particles in the storage bin 6 is smaller than the set lower limit value of the second pressure sensing device 9, the lower limit alarm device 10 starts to alarm to prompt staff that the allowance in the storage bin 6 is insufficient; when the pressure in the storage bin 6 reaches the set pressure upper limit value of the second pressure sensing device 9, the transfer fan 1 is controlled to stop, and meanwhile, the first pressure sensing device 8 in the upper storage bin 5 is locked and does not work any more. When the pressure generated by the polystyrene particles in the upper storage bin 5 reaches a set value of a first pressure sensing device 8, the transfer fan 1 is started to start to convey the polystyrene particles in the upper storage bin 5 to a storage bin 6 through a first conveying pipeline 4; when the pressure generated by the polystyrene particles in the upper bin 5 is lower than the set value of the first pressure sensing device 8, the transfer fan 1 stops working.
Advantageous effects
1. The start and stop of different devices of the automatic polyphenyl particle conveying system are controlled by sensing the pressure generated by the polyphenyl particles, so that the automatic conveying of the polyphenyl particles is realized, the system is stable, and the efficiency is high.
2. The automation degree is high, the influence of human factors is avoided, and the labor cost is low.
Drawings
Fig. 1 is an automatic conveying system for polyphenyl granules applied to a composite wallboard production line provided in example 1;
in the figure, 1 is a transfer fan, 2 is a metering fan, 3 is a feeding fan, 4 is a conveying pipeline I, 5 is a feeding bin, 6 is a storage bin, 7 is a metering bin, 8 is a pressure sensing device I, 9 is a pressure sensing device II, 10 is a lower limit alarm device, 11 is a pressure sensing device III, 12 is a flow metering device, 13 is a conveying pipeline II, and 14 is a conveying pipeline III.
Detailed Description
The automatic conveying system for polyphenyl granules applied to a composite wallboard production line is further described by combining the figure 1.
The invention relates to an automatic polyphenyl particle conveying system applied to a composite wallboard production line, which mainly comprises the following components: the device comprises a transfer fan 1, a metering fan 2, a feeding fan 3, a conveying pipeline I4, a feeding bin 5, a storage bin 6, a metering bin 7, a pressure sensing device I8, a pressure sensing device II 9, a lower limit alarm device 10, a pressure sensing device III 11, a flow metering device 12, a conveying pipeline II 13 and a conveying pipeline III 14. Go up feed bin 5, storage silo 6 and measurement storehouse 7, its main part is the cavity square shape, and its bottom is the convex cambered surface down, and its discharge gate all sets up in the cambered surface lower. The upper surface of the upper bin 5 is provided with an opening; the feed inlets of the storage bin 6 and the metering bin 7 are both located on the upper surface. The number of the storage bins 6 can be 1 or more than two. The feeding bin 5, the storage bin 6 and the metering bin 7 can be integrally cast by adopting a metal material or a non-metal material, and can also be assembled by adopting plates on site; for example, a composite wood board or a plastic board. Whether the method is realized by adopting an integral casting method or a field assembly method, the method belongs to the prior art, and the details are not repeated here. The transfer fan 1, the metering fan 2, the feeding fan 3, the first pressure sensing device 8, the second pressure sensing device 9, the lower limit alarm device 10, the third pressure sensing device 11 and the flow metering device 12 can all be obtained from the prior art, such as purchased from the market. Wherein, the transfer fan 1, the metering fan 2 and the feeding fan 3 may be commercially available blowers. The first pressure sensing device 8, the second pressure sensing device 9 and the third pressure sensing device 11 may be commercially available pressure sensors. Wherein the lower limit alarm device 10 may be a commercially available alarm. Their specific mounting and connection means are well known to those skilled in the art and will not be described in detail herein.
Installing mechanical parts:
when the composite wallboard is installed, the position of the storage bin 6 with the largest occupied area is determined according to the position of the existing composite wallboard production line, and then the storage bin 6 is used as a reference for installation. The discharge port of the storage bin 6 is connected with the inlet end of the metering fan 2 through a pipeline, the outlet end of the metering fan 2 is connected with the feeding port of the metering bin 7 through a second conveying pipeline 13, the discharge port of the metering bin 7 is connected with the inlet end of the feeding fan 3 through a pipeline, the outlet end of the feeding fan 3 is connected with a third conveying pipeline 14, and the third conveying pipeline 14 leads to a polyphenyl granule stirring bin of the existing composite wallboard production line. The feed inlet of the storage bin 6 is connected with the outlet end of the transfer fan 1 through a first conveying pipeline 4, and the inlet end of the transfer fan 1 is connected with the discharge outlet of the upper storage bin 5 through a pipeline. When the safety rotating device is used for safety rotating, the relative positions of the feeding bin 5 and the storage bin 6 can be adjusted according to the feeding requirement.
Installing a sensing component:
a first pressure sensing device 8 is arranged on the inner wall of a loading bin 5, a second pressure sensing device 9 is arranged on the inner wall of a storage bin 6, a lower limit alarm device 10 is arranged on the outer wall of the storage bin 6, a third pressure sensing device 11 is arranged on the inner wall of a metering bin 7, and a flow metering device 12 is arranged on a third conveying pipeline 14. Their specific mounting and connection means are well known to those skilled in the art and will not be described in detail herein. The following control relations are required during installation:
when the pressure generated by the polystyrene particles in the metering bin 7 is lower than the set value of the third pressure sensing device 11, the metering fan 2 is started; when the pressure generated by the polystyrene particles in the metering bin 7 reaches the set value of the third pressure sensing device 11, the metering fan 2 is stopped. When the pressure generated by the polystyrene particles in the storage bin 6 is smaller than the set lower limit value of the second pressure sensing device 9, the lower limit alarm device 10 starts to alarm; when the pressure in the storage bin 6 reaches the set pressure upper limit value of the second pressure sensing device 9, the transfer fan 1 stops, and the first pressure sensing device 8 in the upper storage bin 5 is locked to stop working. When the pressure generated by the polystyrene particles in the upper storage bin 5 reaches a set value of a first pressure sensing device 8, the transfer fan 1 is started; when the pressure generated by the polystyrene particles in the upper bin 5 is lower than the set value of the first pressure sensing device 8, the transfer fan 1 stops working.
Before the operation is started, setting a set pressure value of a first pressure sensing device 8, an upper limit pressure value and a lower limit pressure value of a second pressure sensing device 9, a set pressure value of a third pressure sensing device 11 and a set flow value of a flowmeter 12 according to specific production requirements; and sets the corresponding delay time. The set pressure value of the third pressure sensing device 11 is the pressure of the amount of the polyphenyl granules in the metering bin 7, which is required by one working cycle; the set flow value of flowmeter 12 is the amount of polyphenyl granules required for one duty cycle.
The polyphenyl granules are put into the upper storage bin 5, when the pressure generated by the polyphenyl granules in the upper storage bin 5 reaches the set pressure value of the first pressure sensing device 8, the transfer fan 1 is started after the preset time delay, and the polyphenyl granules in the upper storage bin 5 are conveyed to the storage bin 6 through the first conveying pipeline 4; when the pressure generated by the polystyrene particles in the upper storage bin 5 is lower than the set pressure value of the first pressure sensing device 8, the transfer fan 1 stops working after the preset time delay. When the pressure generated by the polystyrene particles in the storage bin 6 is smaller than the lower limit pressure value of the second pressure sensing device 9, the lower limit alarm device 10 starts to alarm to prompt staff that the allowance in the storage bin 6 is insufficient; when the pressure in the storage bin 6 reaches the upper limit pressure value of the second pressure sensing device 9, the transfer fan 1 stops, and the first pressure sensing device 8 in the upper storage bin 5 is locked to stop working. When the pressure generated by the polystyrene particles in the metering bin 7 reaches the set pressure value of the third pressure sensing device 11, the metering fan 2 automatically stops after a preset time delay; when the pressure generated by the polystyrene particles in the metering bin 7 is lower than the set pressure value of the pressure sensing device III 11, the metering fan 2 is started after the preset time delay, and the storage bin 6 conveys the polystyrene particles into the metering bin 7 through the second conveying pipeline 13, so that the polystyrene particles required by one working cycle are always stored in the metering bin 7. After receiving the feeding signal, the feeding fan 3 is started, polyphenyl granules are conveyed into the equipment sending the instruction through the third conveying pipeline 14, the flow meter 12 in the third conveying pipeline 14 starts to measure, and when the quantity of the polyphenyl granules passing through the flow meter 12 reaches the set flow value of the flow meter 12, the feeding fan 3 stops to finish the feeding work. And completing a work flow, circulating the actions, and completing the conveying operation of the polyphenyl granules by the polyphenyl granule automatic conveying system.
Claims (7)
1. An automatic polyphenyl particle conveying system applied to a composite wallboard production line is characterized by mainly comprising a transfer fan (1), a feeding fan (3), a feeding bin (5), a storage bin (6), a pressure sensing device I (8), a pressure sensing device II (9), a lower limit alarm device (10), a flow metering device (12) and a conveying pipeline III (14);
the feeding bin (5) is connected to the inlet end of the transfer fan (1), the outlet end of the transfer fan (1) is connected to the feed inlet of the storage bin (6), the discharge outlet of the storage bin (6) is connected to the inlet end of the feeding fan (3), and the outlet end of the feeding fan (3) is communicated to the stirring bin of the polyphenyl granules; the flow metering device (12) is installed on the third conveying pipeline (14), the first pressure sensing device (8) is installed on the inner wall of the upper storage bin (5), the second pressure sensing device (9) is installed on the inner wall of the storage bin (6), and the lower limit alarm device (10) is installed on the storage bin (6);
the first pressure sensing device (8) is used for sensing the pressure generated by the polystyrene particles in the upper storage bin (5) and controlling the start and stop of the transfer fan (1) according to the sensing result,
the second pressure sensing device (9) is used for sensing the pressure generated by the polystyrene particles in the storage bin (6) and controlling the stop of the transfer fan (1), the stop of the first pressure sensing device (8) and the lower limit alarm device to send out alarm signals according to sensing results;
the lower limit alarm device (10) sends out an alarm signal according to the induction result of the pressure induction device II (9);
and the flow meter (12) is used for metering the amount of the polystyrene particles conveyed through and controlling the stop of the feeding fan (3).
2. The automatic conveying system for polyphenyl granules according to claim 1, wherein the capacity of the upper bin (5) is 1/80-100 of the capacity of the storage bin (6).
3. The automatic conveying system for polyphenyl granules according to claim 1 or 2, characterized in that a metering bin (7) and a metering fan (2) are arranged between the storage bin (6) and the feeding fan (3); the discharge port of the storage bin (6) is connected with the inlet end of the metering fan (2), the outlet end of the metering fan (2) is connected with the feeding port of the metering bin (7), and the discharge port of the metering bin (7) is connected with the inlet end of the feeding fan (3).
4. The automatic conveying system of polyphenyl granules according to claim 3, characterized in that a third pressure sensing device (11) is arranged in the metering bin (7); and the third pressure sensing device (11) is used for sensing the pressure of the polystyrene particles in the metering bin (7) and controlling the start and stop of the metering fan (2).
5. The automatic conveying system for polyphenyl granules according to claim 4, characterized in that the design capacity of the metering bin (7) is 1.1-1.2 times of the amount required for one stirring.
6. The automatic conveying system for polyphenyl granules according to claim 5, wherein the inlet end of the metering bin (7) is positioned at the top of the metering bin (7); the discharge hole of the metering bin (7) is positioned at the bottom of the metering bin (7).
7. The automatic conveying system for polyphenyl granules according to claim 6, characterized in that the shapes of the upper bin (5), the storage bin (6) and the metering bin (7) are a cube shape, a cylinder shape, a cone shape and a tank shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110676815.1A CN113200363A (en) | 2021-06-18 | 2021-06-18 | Automatic polyphenyl particle conveying system applied to composite wallboard production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110676815.1A CN113200363A (en) | 2021-06-18 | 2021-06-18 | Automatic polyphenyl particle conveying system applied to composite wallboard production line |
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| CN113200363A true CN113200363A (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110676815.1A Pending CN113200363A (en) | 2021-06-18 | 2021-06-18 | Automatic polyphenyl particle conveying system applied to composite wallboard production line |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0867389A1 (en) * | 1997-03-19 | 1998-09-30 | MAI International GmbH | Device for conveying pulverulent or granular material |
| CN204607064U (en) * | 2015-04-08 | 2015-09-02 | 北新绿色住宅有限公司 | A kind of powder delivery system |
| CN206126321U (en) * | 2016-08-31 | 2017-04-26 | 苏州兴泰国光化学助剂有限公司 | Automatic change rain -proof feeding system |
| CN208215831U (en) * | 2018-03-16 | 2018-12-11 | 钟祥鼎茂科技有限公司 | Apparatus for temporary storage is used in foam beads production |
| CN211470046U (en) * | 2019-12-27 | 2020-09-11 | 河南豫中新材料有限公司 | Ferrophosphorus production is with vertical mill ejection of compact packaging system |
-
2021
- 2021-06-18 CN CN202110676815.1A patent/CN113200363A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0867389A1 (en) * | 1997-03-19 | 1998-09-30 | MAI International GmbH | Device for conveying pulverulent or granular material |
| CN204607064U (en) * | 2015-04-08 | 2015-09-02 | 北新绿色住宅有限公司 | A kind of powder delivery system |
| CN206126321U (en) * | 2016-08-31 | 2017-04-26 | 苏州兴泰国光化学助剂有限公司 | Automatic change rain -proof feeding system |
| CN208215831U (en) * | 2018-03-16 | 2018-12-11 | 钟祥鼎茂科技有限公司 | Apparatus for temporary storage is used in foam beads production |
| CN211470046U (en) * | 2019-12-27 | 2020-09-11 | 河南豫中新材料有限公司 | Ferrophosphorus production is with vertical mill ejection of compact packaging system |
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Application publication date: 20210803 |