CN105668239B - A kind of powder feeding system - Google Patents
A kind of powder feeding system Download PDFInfo
- Publication number
- CN105668239B CN105668239B CN201610118195.9A CN201610118195A CN105668239B CN 105668239 B CN105668239 B CN 105668239B CN 201610118195 A CN201610118195 A CN 201610118195A CN 105668239 B CN105668239 B CN 105668239B
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- Prior art keywords
- surge bunker
- valve
- wind
- powder
- star
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/16—Gas pressure systems operating with fluidisation of the materials
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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
-
- 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
- B65G53/46—Gates or sluices, e.g. rotary wheels
- B65G53/4608—Turnable elements, e.g. rotary wheels with pockets or passages for material
- B65G53/4625—Turnable elements, e.g. rotary wheels with pockets or passages for material with axis of turning perpendicular to flow
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The present invention relates to a kind of powder feeding systems, it includes a fluidization system, a surge bunker and a mixing chamber；Fluidization system includes the fluidisation combination unit and an air accumulator of two-stage or more；Fluidisation more than two-stage combines the unit longitudinally spaced be fixed on the outer wall of surge bunker, every grade of fluidisation combination unit passes sequentially through the gas outlet of flow meters and flow control valve connection air accumulator, the air inlet of air accumulator connects external compression air by pressure reducing valve, and the sewage draining exit of air accumulator passes through the sewage storage device outside blowdown valve connection；The discharge port of surge bunker connects mixing chamber.The present invention can ensure that powder continuously and stably enters outer carrier pipe road.
Description
Technical field
The present invention relates to a kind of feeding systems, more particularly to a kind of powder feeding system.
Background technology
Currently used powder conveying and charging gear, it is effective due to not obtaining before powder enters feed system
Fluidisation so that often there is the problems such as powder density is uneven, and mobility is bad, even result in sometimes powder can not be successfully into
Enter conveying device, or generates doses fluctuation in feeder process and damage downstream process.
Invention content
In view of the above-mentioned problems, the object of the present invention is to provide a kind of powder feeding system, it can ensure powder continuous-stable
Ground enters outer carrier pipe road.
To realize the above-mentioned technical purpose, the present invention takes following technical scheme：A kind of powder feeding system, it includes one stream
Change system, a surge bunker and a mixing chamber；The fluidization system includes the fluidisation combination unit and an air accumulator of two-stage or more；Two
Grade or more the fluidisation combine the unit it is longitudinally spaced be fixed on the outer wall of the surge bunker, every grade of fluidisation combination
Device passes sequentially through flow meters and a flow control valve connects the gas outlet of the air accumulator, the air inlet of the air accumulator
External compression air is connected by pressure reducing valve, the sewage draining exit of the air accumulator stores dress by the sewage outside blowdown valve connection
It sets；The discharge port of the surge bunker connects the mixing chamber.
The discharge outlet of the surge bunker is fixedly installed a gate valve, and the discharge port of the surge bunker is flexible coupling company by one
The feeding mouth of a star-like revolution inlet valve is connect, the discharge port connection star-like revolving valve of lattice more than one of the star-like revolution inlet valve enters
The discharge port of material mouth, more star-like revolving valves of lattice connects the top feeding mouth of the mixing chamber, the mixing chamber two side
Relative position is respectively arranged with wind inlet and the outlet of wind powder, wherein the wind inlet connects the one of the wind pipeline of a transfer pipeline
End, the external defeated wind apparatus of other end connection of the wind pipeline, the wind powder outlet connects the wind powder pipe road of the transfer pipeline
One end, the other end connection outer carrier pipe road in the wind powder pipe road.
Every grade of fluidisation combination unit includes several circumferentially-spaced streams being fixed on the surge bunker outer wall
Makeup is set, and each fluidizer is connected to surge bunker inside；The fluidisation of the fluidisation combination units at different levels
Device shifts to install.
The star-like revolution inlet valve using frequency conversion explosion proof motor drive, the star-like revolution inlet valve using feeding mouth with
The blocking valve of pressure difference between discharge port in 30KPa or more.
The star-like revolving valve of more lattice is driven using power frequency fire-proof motor, more star-like revolving valves of lattice using feeding mouth and
The blocking valve of pressure difference between discharge port in 30KPa or more.
The side wall of the mixing chamber connects the wind pipeline of the transfer pipeline by a balance pipe, is arranged on the balance pipe
One regulating valve.
3 weighing sensors are fixedly installed in the surge bunker external wall of upper portion circumferential direction uniform intervals, and the surge bunker top is outer
Wall is provided with an exhaust and filtration apparatus and exhaust outlet, is located at setting one in the surge bunker below the feeding mouth of the surge bunker
Conical cloth tray.
The wind pipeline includes an air hose, a spray cone and a venturi jet port；Described in one end connection of the air hose
External defeated wind apparatus, one end of spray cone described in the other end slidable connection of the air hose, the other end of the spray cone can
Dismantling connection is located at the indoor venturi jet port of mixing.
The invention adopts the above technical scheme, which has the following advantages：1, the present invention is due to being arranged two-stage or more
The fluidisation combination unit of fluidization gas can be individually controlled, therefore can ensure that powder continuously and stably enters outer carrier pipe
Road.2, more lattice star-like revolution of the present invention due to being arranged for the star-like revolution inlet valve of dosing and for segmenting feed
Valve, therefore can be further ensured that powder continuously and stably enters outer carrier pipe road.3, the present invention is due to being specifically arranged multistage
The concrete structure of separately controllable fluidisation combination unit, therefore further ensure powder and can obtain full and uniform fluidisation.
4, the present invention controls powder conveying due to driving star-like revolution inlet valve using frequency conversion explosion proof motor convenient for accurate quantification.
5, the present invention is convenient for accurate equal control powder conveying due to driving more star-like revolving valves of lattice using power frequency fire-proof motor.
6, the present invention between mixing chamber and powder conveying wind pipeline due to being arranged balance pipe, and regulating valve is arranged on balance pipe, because
This can adjust the indoor air pressure of mixing, to which effectively control mixes indoor wind powder degree of mixing.Design structure of the present invention is simple,
It is at low cost to can be widely applied in powder feeder process.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the wind pipeline structural schematic diagram of the present invention.
Specific implementation mode
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the powder feeding system of the present invention includes a surge bunker 1, a fluidization system 2, a gate valve 3, one
Be flexible coupling 4, one star-like revolution inlet valve 5, the star-like revolving valve 6 of lattice more than one, a mixing chamber 7 and a transfer pipeline 8；
Fluidization system 2 includes fluidisation combination unit 21, more than two flowmeters 22, the more than two streams of two-stage or more
Adjustable valve 23, an air accumulator 24, a pressure reducing valve 25 and a blowdown valve 26；Fluidisation combination unit 21 more than two-stage is longitudinally spaced
It is fixed on the outer wall of surge bunker 1, every grade of fluidisation combination unit 21 passes sequentially through flow meters 22 and a flow-rate adjustment
Valve 23 connects air accumulator 24, and the end of air accumulator 24 is connected external compressed air by pressure reducing valve 25, is arranged on air accumulator 24
One sewage draining exit (not shown), sewage draining exit connect external sewage storage device by blowdown valve 26；The discharge port of surge bunker 1
The discharge port end of place's fixed setting gate valve 3, surge bunker 1 is supplied by star-like revolution of 4 connections for dosing that be flexible coupling
Expect the feeding mouth of valve 5, the pan feeding of the discharge port connection of star-like revolution inlet valve 5 for segment the star-like revolving valve of more lattice 6 being fed
Mouthful, the top feeding mouth of the discharge port connection mixing chamber 7 of the star-like revolving valve of more lattice 6, the relative position point of the two side of mixing chamber 7
It is not provided with wind inlet and the outlet of wind powder, wherein one end of the wind pipeline 81 on wind inlet connecting conveying pipe road 8, wind pipeline 81
Defeated wind apparatus outside other end connection, wind powder export the one end in the wind powder pipe road 82 on connecting conveying pipe road 8, wind powder pipe road 82
The other end connects outer carrier pipe road.
In a preferred embodiment, in order to make powder fluidization evenly, every grade of fluidisation combination unit 21 wraps
Include several circumferentially-spaced fluidizers 211 being fixed on 1 outer wall of surge bunker, each fluidizer 211 with surge bunker 1
Inside connection；The fluidizer 211 of every grade of fluidisation combination unit 21 is uniform according to the perimeter of fluidisation effective range and place circumference
Setting；It is shifted to install between the fluidizer 211 of fluidisation combination units 21 at different levels；Point type fluidisation may be used in fluidizer 211
Device and/or face formula fluidizer.
In a preferred example, in order to calibrate feeding coal, 1 external wall of upper portion circumferential direction uniform intervals of surge bunker are fixed
3 weighing sensors 11 are set；Dust filtering waste gas is crossed in order to effective, 1 top exterior walls of surge bunker are provided with an exhaust gas filter
The exhaust outlet 13 that device 12 and one is connected to external filter devices；In order to make powder dispersion fall into surge bunker 1, buffer
It is provided with conical cloth tray 15 in the surge bunker 1 of 14 lower part of feeding mouth in storehouse 1.
In a preferred embodiment, powder conveying is controlled for the ease of accurate quantification, star-like revolution inlet valve 5 uses
Frequency conversion explosion proof motor drives；And in order to effectively obstruct powder pressure and the air pressure fluctuation from upstream and downstream, to ensure to stablize
Feed, it is star-like revolution inlet valve 5 may be used the pressure difference between feeding mouth and discharge port 30KPa or more blocking valve.
In a preferred embodiment, for the ease of accurate equal control powder conveying, more star-like revolving valves 6 of lattice use
Power frequency fire-proof motor drives；And in order to effectively obstruct powder pressure and the air pressure fluctuation from upstream and downstream, to ensure to stablize
Feed, more star-like revolving valves of lattice may be used the pressure difference between feeding mouth and discharge port 30KPa or more blocking valve.
In a preferred embodiment, in order to adjust the air pressure in mixing chamber 7, to effectively control mixing chamber 7
Wind powder degree of mixing, one end of a balance pipe 71 can also be connected on the side wall of mixing chamber 7, the other end connection of balance pipe 71 is defeated
The wind pipeline 81 of pipeline 8 is sent, a regulating valve 72 is set on balance pipe 71.
In a preferred example, as shown in Fig. 2, in order to adapt to the state in mixing chamber 7, and then it is conducive to powder
Mixing, wind pipeline 81 include an air hose 811, a spray cone 812 and a venturi jet port 813；One end connection of air hose 811 is outer
The defeated wind apparatus in portion, one end of the other end slidable connection spray cone 812 of air hose 811, the other end of spray cone 812 are detachable
Connection is located at the venturi jet port 813 in mixing chamber 7.
With reference to the use process of the specific embodiment powder feeding system that the present invention will be described in detail：
1, the powder in surge bunker 1 from top to bottom successively by every grade fluidisation combination unit 21 it is abundant fluidize after, successively
By gate valve 3 and it is flexible coupling and 4 enters star-like revolution inlet valve 5；
2, the powder in star-like revolution inlet valve 5 is quantitatively delivered to more lattice star-like time under the action of frequency conversion explosion proof motor
Rotary valve 6；
3, after the star-like revolving valve of more lattice 6 is finely divided received powder under the action of power frequency fire-proof motor drives
Evenly into in mixing chamber 7；
4, it carries out after evenly mixing, passing through wind powder into the general mood body sprayed in powder and the wind pipeline 81 in mixing chamber 7
Pipeline 82 enters outer carrier pipe road.
Above-described embodiment is merely to illustrate the present invention, wherein the structure of each component, connection type and manufacture craft etc. are all
It can be varied from, every equivalents carried out based on the technical solution of the present invention and improvement should not exclude
Except protection scope of the present invention.
Claims (7)
1. a kind of powder feeding system, it is characterised in that：It includes a fluidization system, a surge bunker and a mixing chamber；
The fluidization system includes the fluidisation combination unit and an air accumulator of two-stage or more；The fluidisation group more than two-stage attaches together
Set it is longitudinally spaced be fixed on the outer wall of the surge bunker, every grade of fluidisation combination unit passes sequentially through flow meters
The gas outlet of the air accumulator is connected with a flow control valve, the air inlet of the air accumulator connects external compression by pressure reducing valve
The sewage draining exit of air, the air accumulator passes through the sewage storage device outside blowdown valve connection；The discharge port of the surge bunker
Connect the mixing chamber；
The discharge outlet of the surge bunker is fixedly installed a gate valve, and the discharge port of the surge bunker is flexible coupling connection one by one
The feeding mouth of star-like revolution inlet valve, the pan feeding of the discharge port connection star-like revolving valve of lattice more than one of the star-like revolution inlet valve
Mouthful, the discharge port of more star-like revolving valves of lattice connects the top feeding mouth of the mixing chamber, the phase of the mixing chamber two side
Wind inlet and the outlet of wind powder are respectively arranged with to position, wherein the wind inlet connects one end of the wind pipeline of a transfer pipeline,
The external defeated wind apparatus of other end connection of the wind pipeline, the wind powder outlet connect the one of the wind powder pipe road of the transfer pipeline
End, the other end connection outer carrier pipe road in the wind powder pipe road.
2. a kind of powder feeding system as described in claim 1, it is characterised in that：If every grade of fluidisation combination unit includes
Do the circumferentially-spaced fluidizer being fixed on the surge bunker outer wall, each fluidizer with the surge bunker
Inside connection；The fluidizer of the fluidisation combination units at different levels shifts to install.
3. a kind of powder feeding system as described in claim 1, it is characterised in that：The star-like revolution inlet valve is anti-using frequency conversion
Quick-fried motor driving, the star-like revolution inlet valve use the pressure difference between feeding mouth and discharge port in the blocking valve of 30KPa or more.
4. a kind of powder feeding system as described in claim 1, it is characterised in that：The star-like revolving valve of more lattice is anti-using power frequency
Quick-fried motor driving, more star-like revolving valves of lattice use the pressure difference between feeding mouth and discharge port in the blocking valve of 30KPa or more.
5. a kind of powder feeding system as described in claim 1, it is characterised in that：The side wall of the mixing chamber passes through a balance pipe
The wind pipeline of the transfer pipeline is connected, a regulating valve is set on the balance pipe.
6. a kind of powder feeding system as described in Claims 1 to 5 any one, it is characterised in that：Outside the surge bunker top
Wall circumferential direction uniform intervals be fixedly installed 3 weighing sensors, the surge bunker top exterior walls be provided with an exhaust and filtration apparatus and
Exhaust outlet is located at one conical cloth tray of setting in the surge bunker below the feeding mouth of the surge bunker.
7. a kind of powder feeding system as described in Claims 1 to 5 any one, it is characterised in that：The wind pipeline includes one
Air hose, a spray cone and a venturi jet port；One end of the air hose connects the defeated wind apparatus in outside, the air hose it is another
One end of spray cone described in the slidable connection of one end, the other end of the spray cone are detachably connected indoor positioned at the mixing
The venturi jet port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610118195.9A CN105668239B (en) | 2016-03-02 | 2016-03-02 | A kind of powder feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610118195.9A CN105668239B (en) | 2016-03-02 | 2016-03-02 | A kind of powder feeding system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105668239A CN105668239A (en) | 2016-06-15 |
| CN105668239B true CN105668239B (en) | 2018-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610118195.9A Active CN105668239B (en) | 2016-03-02 | 2016-03-02 | A kind of powder feeding system |
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| CN (1) | CN105668239B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106395173A (en) * | 2016-11-18 | 2017-02-15 | 沈林彬 | Rotational-flow downward induction type material sending device |
| CN112934094B (en) * | 2021-02-19 | 2021-09-03 | 山东御馨生物科技有限公司 | Full-automatic multichannel measurement powder dispersion hybrid system |
| CN112938501B (en) * | 2021-03-18 | 2022-07-05 | 煤科院节能技术有限公司 | Automatic control method and system for powder feeding system |
| CN113790462B (en) * | 2021-09-08 | 2024-06-18 | 北京天地融创科技股份有限公司 | Biomass powder fuel storage and supply device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2776642B1 (en) * | 1998-03-27 | 2000-06-02 | Toy | PLANT FOR THE PREPARATION AND DISTRIBUTION OF POWDERY MATERIALS |
| CN101927902A (en) * | 2010-08-13 | 2010-12-29 | 神华集团有限责任公司 | Device and method for fluidizing and conveying powder in conic section of powder storage bin |
| CN103217016B (en) * | 2013-04-09 | 2015-10-07 | 南京信息职业技术学院 | A kind of inorganic powder material synthesizer |
| CN104512725A (en) * | 2013-09-30 | 2015-04-15 | 宁夏嘉翔自控技术有限公司 | Boiler dust removal pneumatic transmission system |
| CN204710158U (en) * | 2015-04-09 | 2015-10-21 | 厦门派鼎自动化设备有限公司 | For coating material production and continous way solid-liquid mixing automation integrating device |
| CN205471638U (en) * | 2016-03-02 | 2016-08-17 | 煤炭科学技术研究院有限公司 | Powder feeding system |
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| CN105668239A (en) | 2016-06-15 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170124 Address after: Beijing Caiyu Economic Development Zone 102606 Beijing city Daxing District Long Yu Caiyu Town Street No. 5 Applicant after: CHINA COAL RESEARCH INSTITUTE (CCRI) ENERGY SAVING TECHNOLOGY CO.,LTD. Address before: 100013 Beijing Youth Ditch Road, building No. 5, No. 527, Chaoyang District Applicant before: CCTEG CHINA COAL Research Institute |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102606 No.5, Yulong Street, Caiyu Economic Development Zone, Caiyu Town, Daxing District, Beijing Patentee after: Beijing Tiandi Sunac Technology Co.,Ltd. Address before: 102606 No.5, Yulong Street, Caiyu Economic Development Zone, Caiyu Town, Daxing District, Beijing Patentee before: CHINA COAL RESEARCH INSTITUTE (CCRI) ENERGY SAVING TECHNOLOGY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |