CN205837655U - A kind of powder pressing blow device - Google Patents
A kind of powder pressing blow device Download PDFInfo
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- CN205837655U CN205837655U CN201620757259.5U CN201620757259U CN205837655U CN 205837655 U CN205837655 U CN 205837655U CN 201620757259 U CN201620757259 U CN 201620757259U CN 205837655 U CN205837655 U CN 205837655U
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- powder
- scavenging conduit
- storage tank
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- tapering
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Abstract
A kind of powder pressing blow device, is made up of powder storage tank, internal sweep pipe, outside scavenging conduit and relevant control valve etc..Powder storage tank is mainly used in storage and the discharge of powder material, bottom internal sweep pipe, the purging of spiral open-celled structure coordinates the bridge formation blocking that the double-deck purging of outside scavenging conduit top-bottom cross formula can effectively prevent powder body in storage tank tapering so that the powder body in storage tank can be with continuous-stable blanking；Internal sweep pipe is seriality purging, and outside scavenging conduit is intermittent purging, and the two reaches the effect being complementary to one another, it is ensured that the stability of rear system feeding.This device both can be with atmospheric operation, it is also possible to pressurized operation, controlled simple, easy to operate, can be widely used for storage and the conveying of different-grain diameter powder material.
Description
Technical field
This utility model relates to storage and the blanking conveying of chemical field solid powder, is specifically related to a kind of powder pressing and blows
Sweeping device.
Background technology
The blocking of building bridge of powder material is one of common fault of chemical process, has a strong impact on subsequent reactions technique
Operation stability, even can cause great security incident.For a long time, when occurring that powder body is built bridge, many employing rods are disclosed, are beaten
The problem solving blocking etc. manual type, on the one hand, the mode inefficiency of this solution problem, on the other hand, this method
The most no longer adapting to the needs of modern production, the method using more efficiently solution powder body to build bridge becomes important research direction.
At present, powder material storage device eliminates the method built bridge mainly following several technical scheme: first, and change is deposited
The physical dimension of storage equipment, such as, change the size of equipment tapering discharge gate；Second, rely on gas by solid state memory device
Bridging of powder eliminates, such as, equipment cone is made jacket type band filter cartridge construction, blasts gas by filter element and prevent the frame in tapering
Bridge.3rd, use the method for vibration to eliminate and build bridge, such as, air bubble is set in equipment tapering；Additionally, in the outside setting of equipment
Insulation heat tracing is also to prevent moisture condensation from causing one of the method built bridge.But said method and measure some can only partly solve powder
The bridge formation problem of body material, long-term operation yet suffers from the risk blocked of building bridge；It addition, the measures such as tapering filter element strength purging
Adding manufacturing cost, equipment is the most more complicated.
Summary of the invention
The purpose of this utility model is to provide one and can effectively prevent powder body from occurring arch formation in storage device, real
The continuous-stable of existing powder body discharging process, and device is easy to operate, controls simple, can be widely applied to different-grain diameter powder body thing
The storage of material and the powder pressing blow device of conveying.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is: include that top is passed through inlet valve and with upstream is
The powder storage tank that system is connected, bottom is connected with down-stream system by baiting valve, is provided with in powder storage tank and stores up from powder body
The top of tank be inserted into tank body tapering always with the internal sweep pipe being connected with air supply system by blow down valve, and along powder
The tapering oblique cutting of body storage tank enter in tank body with the outside scavenging conduit being connected with air supply system by blow down valve.
Described outside scavenging conduit includes the outside scavenging conduit of upper external scavenging conduit and lower floor that oblique cutting enters in tank body.
The outside scavenging conduit of described upper external scavenging conduit and lower floor includes that 2～8 arms insert powder storage tank respectively
2～8 arm top-bottom cross dislocation of the outside scavenging conduit of tapering, 2～8 arms of upper external scavenging conduit and lower floor are arranged,
Overlooking angle α between arm and arm is 90 °～22.5 °.
The angle of the outside scavenging conduit of described upper external scavenging conduit and lower floor and powder storage tank tapering wall be 30～
90°。
After the outside scavenging conduit of described upper external scavenging conduit and lower floor inserts powder storage tank tapering internal face, end is blind extremely,
Along the venthole of in downward direction opening a diameter 6～12mm parallel with internal face, to air blowing below inside wall.
Described internal sweep pipe opens one 6～10mm gives vent to anger in position, powder storage tank tapering every 50～200mm distances
Hole, venthole presents spiral form distribution from top to bottom along internal sweep pipe.
Described internal sweep pipe is seriality purging, and outside scavenging conduit is intermittent purging, and the two is complementary to one another, jointly
Effect.
The beneficial effects of the utility model are:
1) by the successional purging effect of internal sweep pipe, form multiply gas at powder storage tank tapering differing heights and penetrate
Stream, the accumulation effectively destroying powder body is built bridge；Form gas impingement flow in powder storage tank tapering by outside scavenging conduit interval, enter
One step prevents bridge formation and the blocking of powder body；Device is easy to operate, controls simple, and low cost of manufacture can be widely applied to different grain
The storage of footpath powder material and conveying.
Further, purged by the multiply of outside scavenging conduit upper and lower two-layer staggered form, interval in powder storage tank tapering
Form gas impingement flow, prevent bridge formation and the blocking of powder body further.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the sectional view (as a example by each 4 arms of upper and lower two layers of outer scavenging conduit) in Figure 1A-A direction.
Fig. 3 is that outside scavenging conduit inserts the structural representation within powder storage tank.
Fig. 4 is the structural representation of internal sweep pipe lower end spiral perforate.
Wherein: 1: powder storage tank；2: up-stream system；3: inlet valve；4: internal sweep pipe；5: the first blow down valves；6: source of the gas
System；7: outside scavenging conduit；8: the second blow down valves；9: the outside scavenging conduit of lower floor；10: upper external scavenging conduit；11: baiting valve；
12: down-stream system.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail.
Seeing Fig. 1, device described in the utility model includes powder storage tank 1, internal sweep pipe 4, outside scavenging conduit 7.Powder
Body storage tank 1 top has inlet valve 3 to be connected with up-stream system 2, and bottom has baiting valve 11 to be connected with down-stream system 12.Inside is blown
Sweeping pipe 4 and be inserted into tank body tapering from the top of powder storage tank 1 always, other end passes through the first blow down valve 5 and air supply system 6 phase
Connection；Outside scavenging conduit 7 includes the outside scavenging conduit 9 of upper external scavenging conduit 10 and lower floor, respectively along the tapering of powder storage tank 1
Oblique cutting enters in tank body, and the other end of outside scavenging conduit 7 is connected with air supply system 6 by the second blow down valve 8.
This utility model powder storage tank 1 stores device for adding pressure type, and operation pressure can be from normal pressure to 4.0MPa.
The angle of the outside scavenging conduit 9 of device upper external scavenging conduit 10 and lower floor and powder storage tank 1 tapering wall be 30～
90°。
See the outside scavenging conduit 9 of Fig. 2, upper external scavenging conduit 10 and lower floor and include that 2～8 arms insert powder body storage respectively
The tapering of tank 1.2～8 arm top-bottom cross of the outside scavenging conduit 9 of 2～8 arms of upper external scavenging conduit 10 and lower floor are wrong
Position is arranged, overlooking angle α between arm and arm is 90 °～22.5 °.
See the outside scavenging conduit 9 of Fig. 3, upper external scavenging conduit 10 and lower floor and insert end after the internal face of powder storage tank 1 tapering
Hold blind extremely, along the venthole of in downward direction opening one 6～12mm parallel with internal face, below inside wall blow.
Seeing Fig. 4, internal sweep pipe 4 opens one 6～10mm in position, powder storage tank 1 tapering every 50～200mm distances
Venthole, venthole along internal sweep pipe 4 present from top to bottom spiral form distribution.
Implementation:
This utility model is powder pressing anti-bridge formation blow device, and material powder is through pulverized coal preparation system, drying system system
Standby qualified powder body, is sent in powder storage tank by up-stream system, is pressurizeed by this device, is added continuously to down-stream system
In.Easily there is arch formation in powder body in powder storage tank, particularly with the powder of fine grain, is blown by internal sweep pipe seriality
Sweep and outside scavenging conduit intermittence purges the method combined, can effectively prevent powder body bridge formation in powder storage tank.
By internal sweep pipe 4 successional purging effect, form multiply gas at powder storage tank tapering differing heights and penetrate
Stream, effectively destroys the accumulation bridge formation of powder body, and according to the difference of operation pressure, internal sweep throughput is 10～50Nm3/h；Pass through
The multiply purging of outside scavenging conduit 7 about two-layer staggered form, interval at powder storage tank tapering formation impact air-flow, prevent further
The only bridge formation of powder body and blocking, the intermittent purge time of outside scavenging conduit 7 is 3～10min/ time.
This utility model is used for processing the solid, powderies such as chemical industry coal dust, semi-coke powder, flyash, sand, biomass powder
Material, general particle size range is 0～6mm, moisture ＜ 5 (ad, %).Easily building bridge for powder body, easily block, blanking is uneven
Etc. characteristic, this utility model sets up internal sweep pipe and many outside scavenging conduits in powder storage tank, by internal sweep pipe
Seriality purges, and the intermittent purging of outside scavenging conduit is used in combination, and reaches the purpose preventing powder body from building bridge in storage tank.
First, through up-stream system, entered into preparing qualified powder body in powder storage tank 1 by inlet valve 3；After device boosting, beat
Drive blow down valve 5, make the purge gas in air supply system 6 enter in internal sweep pipe 4, powder storage tank 1 tapering is carried out seriality
Purging；Intermittence opens blow down valve 8, makes the purge gas in air supply system 6 enter in outside scavenging conduit, bores powder storage tank 1
Portion carries out intermittent purging, and purge time is 3～10min/ time；Powder storage tank is prevented by the way of inside and outside scavenging conduit combines
There is powder body arch formation in 1 tapering, and through practice test, the application of this blow device is respond well.
Claims (7)
1. a powder pressing blow device, it is characterised in that: include that top is passed through inlet valve (3) and is connected with up-stream system (2)
Connect, bottom passes through the powder storage tank (1) that baiting valve (11) is connected with down-stream system (12), is provided with in powder storage tank (1)
It is inserted into blowing with the inside being connected by blow down valve of tank body tapering with air supply system (6) from the top of powder storage tank (1) always
Sweep pipe (4), and in entering tank body along the tapering oblique cutting of powder storage tank (1) be connected with air supply system (6) by blow down valve
Outside scavenging conduit (7).
Powder pressing blow device the most according to claim 1, it is characterised in that: described outside scavenging conduit (7) includes
Oblique cutting enters the outside scavenging conduit (9) of the upper external scavenging conduit (10) in tank body and lower floor.
Powder pressing blow device the most according to claim 2, it is characterised in that: described upper external scavenging conduit (10)
Scavenging conduit (9) outside with lower floor includes that 2～8 arms insert the tapering of powder storage tank (1), upper external scavenging conduit (10) respectively
2～8 arms and 2～8 arm top-bottom cross dislocation of the outside scavenging conduit of lower floor (9) arrange, overlook between arm and arm
Angle α is 90 °～22.5 °.
Powder pressing blow device the most according to claim 2, it is characterised in that: described upper external scavenging conduit (10)
Scavenging conduit (9) outside with lower floor is 30～90 ° with the angle of powder storage tank (1) tapering wall.
Powder pressing blow device the most according to claim 2, it is characterised in that: described upper external scavenging conduit (10)
After scavenging conduit (9) outside with lower floor inserts powder storage tank (1) tapering internal face, end is blind extremely, along parallel with internal face downwards
To opening a diameter 6～12mm venthole, to air blowing below inside wall.
Powder pressing blow device the most according to claim 1, it is characterised in that: described internal sweep pipe (4) is at powder
A diameter 6～10mm venthole is opened every 50～200mm distances in body storage tank (1) position, tapering, and venthole is along internal sweep
Pipe (4) presents spiral form distribution from top to bottom.
Powder pressing blow device the most according to claim 1, it is characterised in that: described internal sweep pipe (4) is for even
Continuous property purging, outside scavenging conduit (7) is intermittent purging, and the two is complementary to one another, and jointly acts on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620757259.5U CN205837655U (en) | 2016-07-18 | 2016-07-18 | A kind of powder pressing blow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620757259.5U CN205837655U (en) | 2016-07-18 | 2016-07-18 | A kind of powder pressing blow device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205837655U true CN205837655U (en) | 2016-12-28 |
Family
ID=57619165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620757259.5U Active CN205837655U (en) | 2016-07-18 | 2016-07-18 | A kind of powder pressing blow device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205837655U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115034A (en) * | 2020-01-14 | 2020-05-08 | 煤科院节能技术有限公司 | Anti-blocking powder bin fluidizing device |
| CN117842724A (en) * | 2024-03-08 | 2024-04-09 | 山西天润恒德新材料有限公司 | Fly ash feeding device for mineralizer production |
-
2016
- 2016-07-18 CN CN201620757259.5U patent/CN205837655U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115034A (en) * | 2020-01-14 | 2020-05-08 | 煤科院节能技术有限公司 | Anti-blocking powder bin fluidizing device |
| CN117842724A (en) * | 2024-03-08 | 2024-04-09 | 山西天润恒德新材料有限公司 | Fly ash feeding device for mineralizer production |
| CN117842724B (en) * | 2024-03-08 | 2024-05-14 | 山西天润恒德新材料有限公司 | Fly ash feeding device for mineralizer production |
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| GR01 | Patent grant |