CN213474729U - Control device for sealing and conveying powder materials - Google Patents
Control device for sealing and conveying powder materials Download PDFInfo
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- CN213474729U CN213474729U CN202022327761.1U CN202022327761U CN213474729U CN 213474729 U CN213474729 U CN 213474729U CN 202022327761 U CN202022327761 U CN 202022327761U CN 213474729 U CN213474729 U CN 213474729U
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Abstract
The utility model discloses a controlling means that is used for sealed and transport of powder material. The material-level control device comprises a pipeline, a material-level switch, a star-shaped discharger and a spiral conveyor; the upper end of the pipeline is connected with a material screening system, and the lower end of the pipeline is connected with a screw conveyer; the material level switch is arranged in the middle of the pipeline and is positioned above the star-shaped discharger; the star-shaped discharger is positioned at the lower part of the pipeline and above the screw conveyor. The utility model overcomes the defects of the prior art that the difficulty of field environment control and dust control is large, the wind pressure loss is large, the fan load is increased, and the electric energy is wasted; the device has the advantages of sealing the negative pressure equipment, reducing the scouring abrasion of the equipment, improving the operation efficiency of the equipment and saving electric energy.
Description
Technical Field
The utility model relates to a controlling means that is used for sealed and transport of powder material.
Background
In the production process of titanium dioxide, the sealing and conveying processes of a plurality of powder materials are involved, especially in a circulating air system, if the sealing state is not good, the pressure difference of the system is easy to fluctuate and change, the normal operation of the system is influenced, even the pipeline and conveying equipment are abraded and washed, the equipment is frequently maintained and replaced, and the normal production is influenced.
In the existing titanium dioxide industry, an air circulation system and a material conveying system of an ore grinding system are generally connected through a star-shaped discharger and used for conveying materials, and the process schematic diagram is shown in fig. 1 (taking a multi-pipe cyclone separator as an example); the working process is as follows: after the mineral powder is screened by the multi-pipe cyclone separator, fine particles meeting the process control requirements enter the star-shaped discharger through the bottom pipeline, enter the spiral conveyer, are conveyed to the cooler to be cooled, and then enter the storage bin. Wherein, the star-shaped discharger and the spiral conveyer need to synchronously run along with the ball milling system.
The defects of the system in the operation process are as follows: because materials are always generated in the air circulation system, the star-shaped discharger generally keeps synchronous operation with the ore grinding system, and due to the material characteristics (Mohs hardness of 5.5-6.5) of the titanium ore powder and the high air speed, the discharger, short circuit of pipelines and the like can be greatly scoured and abraded, the equipment is frequently replaced, the difficulty of field environment control and dust control is high, the air pressure loss is high, the fan load is increased, and the electric energy waste is caused. In addition, the equipment runs synchronously along with the ore grinding system, so that the internal materials are few, and the running efficiency of the equipment is low.
Therefore, there is a need to develop a control device for sealing and conveying powder materials, which can better seal the negative pressure equipment and improve the operation efficiency of the equipment.
Disclosure of Invention
The utility model aims at providing a controlling means for powder material is sealed and is carried, sealed negative pressure equipment that not only can be fine reduces the wind pressure loss, reduces equipment and erodes wearing and tearing, can also improve equipment operating efficiency simultaneously, reduce the operating duration of equipment, practice thrift the electric energy.
In order to realize the purpose, the technical scheme of the utility model is that: the utility model provides a controlling means that is used for powder material to seal and carry which characterized in that: comprises a pipeline, a material level switch, a star-shaped discharger and a spiral conveyer;
the upper end of the pipeline is connected with a material screening system, and the lower end of the pipeline is connected with a screw conveyer;
the material level switch is arranged in the middle of the pipeline and is positioned above the star-shaped discharger;
the star-shaped discharger is positioned at the lower part of the pipeline and above the screw conveyor.
In the technical scheme, the spiral conveyor is connected with the star-shaped discharger in a linkage manner.
In the technical scheme, the feeding position and the discharging position are both positioned on the pipeline and are both positioned above the star-shaped discharger;
wherein, the material loading position is arranged above the material level switch, and the material unloading position is arranged below the material level switch.
The utility model has the advantages of as follows:
(1) the utility model is provided with the material level switch and the feeding and discharging positions, which not only can well seal the negative pressure equipment, reduce the wind pressure loss and the erosion and abrasion of the equipment, but also can improve the operation efficiency of the equipment, reduce the working time of the equipment and save the electric energy;
(2) the utility model discloses only need set up level switch and upper and lower material position on the pipeline, need not to make big change to current structure, have the characteristics of small investment, effectual, can effectively, thoroughly overcome prior art's drawback and defect (namely the sealed and conveying process of powder material, especially in circulating air system, if the encapsulated situation is not good, very easily cause system's pressure differential fluctuation, change, influence system's normal operating, even cause pipeline, conveying equipment wearing and tearing, erode, cause equipment frequent maintenance to change, influence the problem that production normally goes on);
(3) the utility model can be connected with a material screening system through a pipeline, and has strong applicability; the utility model is mainly used for sealing the wind circulation system in the ore grinding process in the titanium dioxide production, such as the sealing of the wind circulation system under a multi-pipe cyclone separator, a double-pipe cyclone separator, a powder concentrator and a bag-type dust remover; the utility model discloses also can use in other processes, the sealed of powder material wind circulation system in other trades.
Drawings
Fig. 1 is a schematic structural diagram of the prior art.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of an embodiment of the present invention.
Fig. 4 is a process flow diagram of an embodiment of the present invention.
A in fig. 1, 2, and 3 each shows a discharge port of the screw conveyor.
B in fig. 3 represents a multi-cyclone separator in an embodiment of the present invention; c represents the material entering the pipeline in the embodiment of the utility model.
In the figure, 1-material screening system, 2-pipeline, 3-material level switch, 4-star discharger, 5-screw conveyor, a-feeding level and b-discharging level.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the invention will be clear and readily appreciated by the description.
With reference to the accompanying drawings: a control device for sealing and conveying powder materials comprises a pipeline 2, a material level switch 3, a star-shaped discharger 4 and a spiral conveyor 5;
the upper end of the pipeline 2 is connected with the material screening system 1, and the lower end is connected with the screw conveyer 5;
the material level switch 3 is arranged in the middle of the pipeline 2 and is positioned above the star-shaped discharger 4;
the star-shaped discharger 4 is positioned at the lower part of the pipeline 2 and above the screw conveyor 5 (shown in figures 2 and 3); the utility model discloses directly install level switch 3 on pipeline 2, realize the sealed and transport control to wind circulation system, it is easy and simple to handle, improve with low costsly.
Further, the screw conveyor 5 is connected with the star-shaped discharger 4 in an interlocking manner (as shown in fig. 2), and the screw conveyor 5 can also run in an interlocking and synchronous manner with the star-shaped discharger 4, so that the running time of the material conveying device is further reduced, and the energy consumption and the equipment wear are reduced.
When the star-shaped discharger 4 operates, the materials enter the screw conveyor 5 to be synchronously output. When the star-shaped discharger 4 stops, no material enters the screw conveyer 5, and the screw conveyer 5 does not need to run, so that the idle running is prevented.
Further, a controlling means and automatic system for powder material is sealed and is carried be connected, let wind circulation system automatic operation, improve equipment operating efficiency, reduce the operating duration of equipment, practice thrift the electric energy.
The material screening system 1 and the pipeline 2 are in an air circulation system and are in a negative pressure state. The star-shaped discharger 4 is also called an air locking valve, and plays a role in air locking and sealing no matter when the star-shaped discharger is in operation or stopped, but after blades of the star-shaped discharger 4 are abraded, the interval between the blades and the shell is large, and the blades cannot play a role in air locking and sealing, at the moment, air enters from a discharge hole A of the screw conveyor 5 and enters a circulating air system through the screw conveyor 5, the star-shaped discharger 4, the pipeline 2 and the material screening system 1, so that the pressure difference fluctuation of the system is caused, and the scouring and abrasion of the blades of the star-shaped discharger 4 and the shell are accelerated; the utility model discloses increased level switch 3, material loading level an and unloading level b control in pipeline 2, let always fill the material in pipeline 2, played sealed effect, level switch 3 and star type tripper 4 combination promptly play the dual seal effect.
Furthermore, the feeding level a and the discharging level b are both positioned on the pipeline 2 and are both positioned above the star-shaped discharger 4;
wherein the feeding level a is arranged above the level switch 3, and the discharging level b is arranged below the level switch 3 (as shown in fig. 2); wherein, the blanking position b is a critical line for sealing, the feeding position a is a critical line for conveying, and the sealing effect of the utility model is adjusted by adjusting the distance between the feeding position a and the blanking position b; the defects that in the prior art, a star-shaped discharger generally keeps synchronous operation with an ore grinding system, due to the material characteristics (Mohs hardness is 5.5-6.5) of titanium ore powder and high air speed, the discharger, short circuit of pipelines and the like can be greatly scoured and abraded, equipment is frequently replaced, the difficulty of field environment control and dust control is high, air pressure loss is high, fan load is increased, and electric energy waste is caused are overcome; meanwhile, the defects that the equipment runs synchronously along with a grinding system, the internal materials are few, and the running efficiency of the equipment is low are overcome.
The distance between the feeding position a and the discharging position b is adjusted according to the use effect; the distance between the discharging position b and the star-shaped discharger 4 is determined according to the sealing effect of the wind circulation system, so that the sealing of negative pressure equipment is ensured, and the wind pressure loss is reduced.
In order to illustrate more clearly the utility model discloses a controlling means for powder material is sealed and is carried compares the advantage that has with prior art, the staff has carried out the contrast with these two kinds of technical scheme, its contrast result is as follows:
according to the upper table, a controlling means for powder material is sealed and is carried compare with prior art, sealing performance is good, equipment erodes wearing and tearing little, the operating duration of equipment is long, powder conveying efficiency is high.
Examples
Use now the utility model discloses it is right for the embodiment to be applied to the sealed of the wind circulation system under material screening system (certain multitube cyclone) the utility model discloses carry out the detailed description, right the utility model discloses be applied to the sealed guide effect that has equally of wind circulation system under other powder material screening systems.
The control device for sealing and conveying the powder material adopted by the embodiment is connected to the lower end of the multi-pipe cyclone separator through a pipeline 2; the control device for sealing and conveying powder materials adopted by the embodiment comprises a pipeline 2, a material level switch 3, a star-shaped discharger 4 and a spiral conveyor 5;
the upper end of the pipeline 2 is connected with a material screening system 1 (namely a multi-pipe cyclone separator B), and the lower end is connected with a screw conveyer 5;
the material level switch 3 is arranged in the middle of the pipeline 2 and is positioned above the star-shaped discharger 4;
the star-shaped discharger 4 is located below the pipe 2 and above the screw conveyor 5.
The screw conveyer 5 in the embodiment can also be in linkage synchronous operation with the star-shaped discharger 4, so that the operation time of the material conveying device is further reduced, and the energy consumption and the equipment abrasion are reduced.
The embodiment is connected with an automatic system, so that the wind circulating system automatically runs, the running time of the equipment is reduced, the running efficiency of the equipment is improved, and electric energy is saved.
The control method for sealing and conveying the wind circulation system under the multi-cyclone separator comprises the following steps,
the method comprises the following steps: after the powder material is screened by the multi-tube cyclone separator, fine particles (8-10 percent of residues of 325 meshes) meeting the process control requirement enter the star-shaped discharger 4 through the pipeline 2, and the star-shaped discharger 4 does not run at this time;
step two: when the level switch 3 (in the prior art) detects that the level of the powder material reaches the level b, the system (i.e. the automatic control system, in the prior art) starts to time;
when the accumulated time reaches the process set time (determined according to the diameter of the pipeline 2, the pipe diameter is long, the pipe diameter is short, and the pipe diameter is generally 2-3 minutes), the material level switch 3 detects that the material level of the powder material reaches a material loading level a; at this time, the star discharger 4 is operated;
step three: the powder material enters a spiral conveyor 5 through a star-shaped discharger 4, is conveyed to a cooler through the spiral conveyor 5, is cooled and then enters a storage bin;
step four: along with the material conveying, the material level switch 3 detects that the material level of the powder material is lowered to a blanking position b, and at the moment, the star-shaped discharger 4 stops running;
step five: repeating the first step to the fourth step until the material conveying is finished;
step six: the material discharged from the discharge port a of the screw conveyor 5 is sent to a cooler and a silo (as shown in fig. 3 and 4).
And (4) conclusion: the embodiment can well seal the negative pressure equipment, reduce the wind pressure loss, reduce the equipment erosion and wear, and simultaneously improve the equipment operation efficiency and reduce the working time of the equipment.
Other parts not described belong to the prior art.
Claims (3)
1. The utility model provides a controlling means that is used for powder material to seal and carry which characterized in that: comprises a pipeline (2), a material level switch (3), a star-shaped discharger (4) and a spiral conveyer (5);
the upper end of the pipeline (2) is connected with the material screening system (1), and the lower end is connected with the screw conveyor (5);
the material level switch (3) is arranged in the middle of the pipeline (2) and is positioned above the star-shaped discharger (4);
the star-shaped discharger (4) is positioned at the lower part of the pipeline (2) and above the screw conveyor (5).
2. The control device for sealing and conveying powder materials according to claim 1, wherein: the screw conveyor (5) is connected with the star-shaped discharger (4) in a linkage manner.
3. The control device for sealing and conveying powder materials according to claim 2, wherein: the feeding position (a) and the discharging position (b) are both positioned on the pipeline (2) and are both positioned above the star discharger (4);
wherein the feeding level (a) is arranged above the level switch (3), and the discharging level (b) is arranged below the level switch (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022327761.1U CN213474729U (en) | 2020-10-19 | 2020-10-19 | Control device for sealing and conveying powder materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022327761.1U CN213474729U (en) | 2020-10-19 | 2020-10-19 | Control device for sealing and conveying powder materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213474729U true CN213474729U (en) | 2021-06-18 |
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ID=76366357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022327761.1U Active CN213474729U (en) | 2020-10-19 | 2020-10-19 | Control device for sealing and conveying powder materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213474729U (en) |
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2020
- 2020-10-19 CN CN202022327761.1U patent/CN213474729U/en active Active
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Denomination of utility model: A control device for sealing and conveying powder materials Effective date of registration: 20230630 Granted publication date: 20210618 Pledgee: Agricultural Bank of China Limited Qianjiang Branch Pledgor: QIANJIANG FANGYUAN TITANIUM DIOXIDE CO.,LTD. Registration number: Y2023420000279 |