CN108016883A - Powder conveying device - Google Patents
Powder conveying device Download PDFInfo
- Publication number
- CN108016883A CN108016883A CN201610945541.0A CN201610945541A CN108016883A CN 108016883 A CN108016883 A CN 108016883A CN 201610945541 A CN201610945541 A CN 201610945541A CN 108016883 A CN108016883 A CN 108016883A
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- China
- Prior art keywords
- conveying
- comb
- powder
- mentioned
- raw material
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Classifications
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The invention discloses a kind of powder conveying device, the device end is equipped with vacuum pump and connects rotary valve, it is mounted above from main storehouse to providing powder raw material and unidirectionally supply on the transfer comb of runner at least one, according to powder raw material and the flow of the fluid-mixing of air, negative pressure is produced inside to conveying comb, including conveying control unit, it is concluded that, by all conveying combs, powder raw material can be conveyed smoothly, structure including conveying control unit is relatively easy, vacuum pump etc. is set to need the device of driving load, consumption is reduced on the whole, thus reduce the powder conveying device of energy consumption.
Description
Technical field
The present invention relates to powder conveying device, and in particular to the powder conveying device applied to unidirectional supplying powder.
Background technology
In the equipment of the powder raw materials such as processing grain, feed, synthetic resin, medicine, lotion, generally for powder is former
Expect the transfer without damage, use transport to mediate, the air pressure transfer system of the inert gas as nitrogen（ pneumatic
conveying system ）.
Fig. 4 is the concept map of the conventional powder handling systems main composition of displaying, and conventional powder handling systems are as schemed
Show there is the main storehouse 11 for storing a large amount of powder raw materials, in order to which the powder in main storehouse 11 can be measured to the rotary valve 12 of supply as desired, profit
Use pressure fan（Illustration omitted）The nozzle 13 for the air conveying powder supplied, then by the separated cyclone of air from powder
14, it is also equipped with storage tank 15 for being stored temporarily before powder is sent to other flows etc..
The air that cyclone 14 is isolated, after the filtering of bag filter 16, is discharged by vacuum pump 17.
Conventional powder conveying technology, is that nozzle is installed from the comb of 12 lower end of rotary valve, is simply composed, and is schemed
Though upper do not show, air pressure and the flow of air can be set in pressure fan.
Such mode is a kind of low concentration high-pressure delivery mode, and the conveying speed of fluid rises to more than 30, because
This is difficult to be suitable for product of the percentage of damage within 5%.
Such a low concentration high-pressure delivery mode, because the compound expenses of powder/air is low, the diameter for conveying comb is opposite
Increase, increases equipment cost, the increase of air usage amount, causes energy cost to be consequently increased.
I.e. as the increase of powder conveying device scale, energy usage amount are consequently increased, cause to reduce total system
Efficiency.
In addition, because the conveying speed of air is very fast, the leakage of air or air/powder mixture needs to add than more serious
High performance sealing device, because conveying the abrasion of comb, while durability drastically lowly causes environmental pollution, powder percentage of damage
Increase, cause productivity to decline.
According to view of the above, the registered patent the 10-0279514th of the applicant's application " powder handling systems it is defeated
Send control device "（Hereinafter referred to as " prior art "）It is the gas of the 20 suitable control air of control device of 13 front end of nozzle in Fig. 4
The technology of pressure and flow.
But set by the extensive of the extended length of conveying comb of the prior art from control device 20 to vacuum pump 17
In standby, there are the problem of air pressure and flow control, from 13 front end of nozzle to the unstable of the flow of vacuum pump 17, cause powder former
Material is unable to smooth delivery of power.
The content of the invention
Problem to be solved
The present invention is invented to improve the problems of above, and provides the powder conveying dress of smooth delivery of power powder raw material
Put.
In addition, the present invention is to convey dress with the powder that simple structure reduces the operational load of single unit system and provides
Put.
Solution to problem
To achieve these goals, the present invention provides a kind of powder conveying device, which has the main storehouse of storage powder raw material,
From the rotary valve of above-mentioned main storehouse rationing powder raw material, connect above-mentioned rotary valve and above-mentioned powder raw material is unidirectionally supplied and is carried
For the conveying comb of runner, the vacuum pump of the above-mentioned powder raw material of discharge of above-mentioned conveying comb end is connected to, and is arranged on
More than one conveying control unit on above-mentioned conveying comb.Wherein, the conveying control unit passes through in above-mentioned rotary valve
The flow of the fluid-mixing of the above-mentioned powder raw material and air of comb conveying is conveyed when setting value scope is exceeded, from above-mentioned defeated
The outside of comb is sent to produce negative pressure to the inside of above-mentioned comb.
Herein, above-mentioned conveying control unit includes：The above-mentioned fluid-mixing inside above-mentioned conveying comb is monitored in real time
The flow sensor of flow, by the inside and outside interconnected intercommunicating pore of above-mentioned conveying comb, and is arranged on intercommunicating pore
On air be flowed into inside above-mentioned conveying comb from the outside of above-mentioned conveying comb and prevent air inversion from being arranged to above-mentioned conveying
Back-flow preventer part outside pipe.
At this moment, if above-mentioned fluid-mixing flow is within setting value, above-mentioned back-flow preventer part arranges above-mentioned conveying
The connection of the inside and outside of pipe blocks.
In addition, above-mentioned intercommunicating pore is then along the outer circumferential surface of above-mentioned conveying comb in some radial.
In addition, above-mentioned intercommunicating pore is the angled inclination of outer circumferential surface along above-mentioned conveying comb.
In addition, above-mentioned flow sensor includes：Determine the above-mentioned controller for preventing reflux type operating status.Above-mentioned control
Device can will block the signal of above-mentioned conveying comb inside and outside connected state when above-mentioned fluid-mixing flow is in the range of setting value
Sending to above-mentioned prevents reflux type.
The effect of invention
The present invention formed more than, it is concluded that following effect.
First, end of the invention is equipped with vacuum pump and connects rotary valve, is unidirectionally supplied from main storehouse to powder raw material is provided
At least one is mounted above on the transfer comb of runner, according to powder raw material and the flow of the fluid-mixing of air, to defeated
Send and negative pressure is produced inside comb, the device of the invention further includes conveying control unit, it is concluded that by all conveyings
Comb, powder raw material can be conveyed smoothly.
In addition, structure of the present invention including conveying control unit is relatively easy, vacuum pump etc. is set to need driving load
Device, on the whole reduce consumption, thus reduce energy consumption.
Brief description of the drawings
Fig. 1 is the concept map of the powder conveying device main composition of present example.
Fig. 2 is that the conveying control unit of the conveying device major part of present example is installed on the general of conveying comb state
Read figure.Fig. 2（a）It is to be attempted according to the side in the transported direction of powder raw material, Fig. 2（b）It is Fig. 2（a）Powder it is originally defeated
The vertical of direction is sent to attempt.
Fig. 3 is the control method precedence diagram of the powder conveying device of present example.
Fig. 4 is the concept map of the main composition of conventional powders transport system.
Embodiment
Advantages of the present invention, feature and how to implement, refer to attached drawing and the detailed example, can help to more preferably
Understand.
But the present invention is not limited only to example described below, multi-form can implement.
Embodiment and the disclosure in this specification is complete, and the technical field belonging to the present invention is informed
In all people with Conventional wisdom.
In addition, the present invention will be defined according to patent claim.
According to the composition part of several examples, in order to avoid the explanation that the present invention is blurred, well-known operation and skill
Art will not illustrate.
In addition, directly claim the part of identical composition by the identical reference marks of overall manual, used in this specification
Term is in order to illustrate example, is not meant to limit the present invention.
In the present specification, odd number also includes plural number, except being non-specifically otherwise noted in phrase." including（Or possess）" conduct
The component or operation mentioned are not precluded from existing or add one or more other components or behavior.
Unless otherwise defined, otherwise all terms used herein（Including technical and scientific term）This area can be used as
The device that should be commonly understood by of those of ordinary skill.
The conventionally used term having been defined, under undefined, it is impossible to idealized or excessively explained.
Illustrate present example referring to the drawings.
First, Fig. 1 is the integrally-built concept map for the powder conveying device that an example according to the present invention provides.
Fig. 2 is that the conveying control unit of the conveying device major part of an example according to the present invention is installed on conveying comb
The concept map of state.Fig. 2（a）It is to be attempted according to the side in the transported direction of powder raw material, Fig. 2（b）It is Fig. 2（a）Powder
Originally attempted by the vertical of conveying direction.
Fig. 3 is the control method precedence diagram of the powder conveying device of an example according to the present invention.
For referring to, unaccounted symbol in Fig. 1,130 be nozzle, and 140 be cyclone, and 150 be storage tank, and 160 be bag
Nozzle 13, cyclone 14, storage tank 15, bag filter 16 in formula filter, drawing symbol 130,140,150,160 and Fig. 4
Corresponding, detailed description will be omitted.
Main storehouse 110 is used to provide storage powder raw material space, and rotary valve 120 is used for from main storehouse rationing powder raw material,
Conveying comb 101 connects rotary valve 120 and for, unidirectionally for providing runner at once, vacuum pump 170 to be connected to defeated by powder raw material
101 end of comb is sent to be used to discharge powder raw material.
Therefore, the main storehouse 110 including conveying comb 101, rotary valve 120, nozzle 130, cyclone 140, storage tank
150, bag filter 160, the system of the grade of vacuum pump 170 can all be referred to as powder conveying system 100.
Control unit 300 is conveyed, more than one to be at least installed on this powder conveying system 100, once from rotation
Valve 120 exceeds setting value scope by conveying the flow of fluid-mixing of powder raw material that comb 101 conveys and air, from above-mentioned
The outside for conveying comb 101 produces negative pressure to the inside of above-mentioned comb 101.
Therefore, the entirety of the invention by conveying comb 101, can not only realize smooth delivery of power powder raw material, can also
Reducing opposite simple vacuum pump 170 etc. that forms including conveying control unit 300 needs the overall driving of energy consumption
Load.
Above example is present invention can be suitably applied to, is equally applicable to following a variety of examples.
As shown in Fig. 2, conveying control unit 300 includes：To the flow real-time streams of the fluid-mixing inside conveying comb 101
The flow sensor 310 of monitoring is measured, the inside and outside interconnected intercommunicating pore 320 of comb 101 will be conveyed, and be installed on
Air is flowed into 101 inside of conveying comb from the outside of conveying comb 101 and prevents air inversion from being arranged to conveying by intercommunicating pore 320
The back-flow preventer parts 330 such as the outside of pipe 101.
Herein, if back-flow preventer part 330 is within fluid-mixing flow set value, then comb 101 will be conveyed
The connection of inside and outside blocks.
Above-mentioned intercommunicating pore 320 then forms many and radial along the outer circumferential surface of above-mentioned conveying comb 101.
At this time, such as Fig. 2（b）Shown, outer circumferential surface of the intercommunicating pore 320 along conveying comb 101, forms many, in order to help
The conveying of fluid-mixing, penetrates through the center imaginary line at the both ends of intercommunicating pore 320, such as Fig. 2（a）It is shown, optimal, for defeated
The outer circumferential surface of comb 101 is sent, is formed according to certain angle tilt.
In addition, flow sensor 310 according to the present invention, the data on flows signal for the fluid-mixing that reception monitors in real time,
It includes determining the above-mentioned controller 200 for preventing 330 operating status of reflux type.
Herein, controller 200 be by above-mentioned fluid-mixing flow in the range of setting value when block above-mentioned conveying comb
The signal of 101 inside and outside connected states, which is sent to, prevents reflux type 330.
This back-flow preventer part 330 is that the operation opened and closed, its structure bag are performed according to the operation of controller 200
Contain：Connected with intercommunicating pore 320 and allow to connect and block the solenoid valve in 101 inside and outside portion of conveying comb, and be placed in intercommunicating pore
Between 320 and solenoid valve and air is blocked to be flowed into the check-valves conveyed inside comb 101.
The control method of the powder conveying device of example refer to Fig. 3 according to the present invention, and the drawing symbol that Fig. 3 is not indicated is then
It refer to Fig. 1 and Fig. 2.
First, the 1st data on flows for conveying the fluid-mixing inside comb 101 that flow sensor 310 will monitor in real time
Controller 200 is communicated to, controller 200 is again by the 1st data on flows and setting value comparative analysis.
At this time, if the 1st data on flows is within setting value scope, controller 200 is by the electromagnetism of back-flow preventer part 330
Valve remains blocking state, if beyond scope is set, opens solenoid valve and connects the inside and outside for conveying comb 101.
At this time, naturally, will start with the open check valve of solenoid valve.
Start under check-valves state, flow sensor 310 is by the fluid-mixing inside the conveying comb 101 monitored in real time
2nd data on flows will be communicated to controller 200, and controller 200 is again by the 2nd data on flows and setting value comparative analysis.
At this time, if the 2nd data on flows is within the scope of setting value, controller 200 is by the electromagnetism of back-flow preventer part 330
Valve blocks again, if beyond scope is set, the privileged site generation that controller 200 will be deemed as powder conveying system 100 is different
Often, and by the entirety of powder conveying system 100 stop.
Hereafter, operator need to check the reason for being abnormal, and be returned under normal condition, then restart powder conveying
System 100, repeatedly above-described control operation.
As it appears from the above, the present invention is can to allow powder raw material smooth delivery of power, structure is relatively easy, and to reduce driving load
Based on technology powder conveying device.
In addition, in the basic fundamental thought range of the present invention, those skilled in the art's alterable application.
Claims (6)
1. powder conveying device, it is characterised in that the device includes：
The main storehouse of powder raw material is stored,
From the rotary valve of above-mentioned main storehouse rationing powder raw material,
Connect above-mentioned rotary valve and above-mentioned powder raw material unidirectionally supplied and the conveying comb of runner is provided,
The vacuum pump of the above-mentioned powder raw material of discharge of above-mentioned conveying comb end is connected to, and
At least more than one conveying control unit on the conveying comb；
The mixing of above-mentioned powder raw material and air that the conveying control unit is conveyed in the rotary valve by conveying comb
The flow of fluid produces negative pressure when setting value scope is exceeded, from the outside of the conveying comb to the inside of the comb.
2. powder conveying device according to claim 1, it is characterised in that the device also includes：
The flow sensor of the flow of the fluid-mixing inside the conveying comb is monitored in real time,
By the inside and outside interconnected intercommunicating pore of the conveying comb, and
It is arranged on intercommunicating pore and air is flowed into inside the conveying comb from the outside of the conveying comb and prevents air
Back-flow preventer part outside adverse current to the conveying comb.
3. powder conveying device according to claim 2, it is characterised in that if the fluid-mixing flow is in setting value
Within, then the back-flow preventer part can block the connection of the inside and outside of the conveying comb.
4. powder conveying device according to claim 2, it is characterised in that the intercommunicating pore is along the conveying comb
Outer circumferential surface is radial.
5. powder conveying device according to claim 2, it is characterised in that the intercommunicating pore is along the conveying comb
The angled inclination of outer circumferential surface.
6. powder conveying device according to claim 2, it is characterised in that the flow sensor includes：Described in decision
Prevent the controller of reflux type operating status；
The controller can will block the conveying comb inside and outside to connect when the fluid-mixing flow is in the range of setting value
The signal of logical state prevents reflux type described in sending to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610945541.0A CN108016883A (en) | 2016-11-02 | 2016-11-02 | Powder conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610945541.0A CN108016883A (en) | 2016-11-02 | 2016-11-02 | Powder conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108016883A true CN108016883A (en) | 2018-05-11 |
Family
ID=62070640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610945541.0A Pending CN108016883A (en) | 2016-11-02 | 2016-11-02 | Powder conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108016883A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661657A (en) * | 2019-03-06 | 2020-09-15 | Sk新技术株式会社 | Automatic powder conveying system using vacuum conveyor |
| CN112173724A (en) * | 2020-09-17 | 2021-01-05 | 宏工科技股份有限公司 | Control system and method for negative pressure conveying system and storage medium |
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| KR100279514B1 (en) * | 1998-06-23 | 2001-04-02 | 정문호 | Feeding control device of powder processing system |
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| CN103274217A (en) * | 2013-06-20 | 2013-09-04 | 中天钢铁集团有限公司 | Novel coal conveying bunker type pump with blockage-preventing outlet |
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2016
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| KR100279514B1 (en) * | 1998-06-23 | 2001-04-02 | 정문호 | Feeding control device of powder processing system |
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| CN103274217A (en) * | 2013-06-20 | 2013-09-04 | 中天钢铁集团有限公司 | Novel coal conveying bunker type pump with blockage-preventing outlet |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661657A (en) * | 2019-03-06 | 2020-09-15 | Sk新技术株式会社 | Automatic powder conveying system using vacuum conveyor |
| CN111661657B (en) * | 2019-03-06 | 2024-01-12 | Sk新能源株式会社 | Automatic powder conveying system using vacuum conveyor |
| CN112173724A (en) * | 2020-09-17 | 2021-01-05 | 宏工科技股份有限公司 | Control system and method for negative pressure conveying system and storage medium |
| CN112173724B (en) * | 2020-09-17 | 2022-04-15 | 宏工科技股份有限公司 | Control system and method for negative pressure conveying system and storage medium |
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Application publication date: 20180511 |