CN102951449A - Vertical powder conveying device - Google Patents
Vertical powder conveying device Download PDFInfo
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- CN102951449A CN102951449A CN2012104458363A CN201210445836A CN102951449A CN 102951449 A CN102951449 A CN 102951449A CN 2012104458363 A CN2012104458363 A CN 2012104458363A CN 201210445836 A CN201210445836 A CN 201210445836A CN 102951449 A CN102951449 A CN 102951449A
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Abstract
The invention relates to a vertical powder conveying device, which comprises a powder barrel, a middle connecting pipe and a powder outlet pipe, wherein a first fluidizing plate is arranged in the powder barrel; a cavity of the powder barrel is divided into a powder chamber on the upper part and a first fluidizing chamber on the lower part, in which compressed gas can be introduced, by the first fluidizing plate; the powder chamber is provided with a powder outlet nozzle; the powder outlet nozzle is connected with the upper end of the middle connecting pipe through a first switching valve; the lower end of the middle connecting pipe is connected with the upper end of the powder outlet pipe through a second switching valve; the middle connecting pipe is provided with a second gas inlet nozzle capable of introducing the compressed gas; a second fluidizing plate is sleeved in the middle connecting pipe; a second fluidizing chamber is arranged between the middle connecting pipe and the second fluidizing plate; the second gas inlet nozzle is communicated with the second fluidizing chamber; and when the compressed gas is introduced by the second gas inlet nozzle, powder which flows into the middle connecting pipe is in a fluidizing state. After the second switching valve is closed, the powder in the middle connecting pipe is still in a fluidizing state, and the powder is more smoothly conveyed without being blocked.
Description
Technical field
The present invention relates to a kind of vertical powder conveying device.
Background technology
Such as Fig. 1, Fig. 2, existing vertical powder conveying device generally comprises powder bucket a1, intermediate connection tube a2 and flour extraction pipe a3, be provided with fluidized plate a4 in the powder bucket a1, fluidized plate a4 is divided into powder bucket a1 the a6 of fluidising chamber of the passed into pressure gas of the powder chamber a5 on top and bottom, the bottom of powder bucket a1 is provided with the fluidized gas entrance a7 that is communicated with the a6 of fluidising chamber, powder chamber a5 has powder delivery and chews a8, powder delivery is chewed a8 and is connected by the first switch valve a9 with intermediate connection tube a2 upper end, intermediate connection tube a2 lower end is connected by second switch valve a10 with flour extraction pipe a3 upper end, intermediate connection tube a2 is provided with the air inlet that can pass into pressure gas and chews a11, during work, pressure gas is passed into the a6 of fluidising chamber through the rheomorphism of fluidized plate a4 by fluidized gas entrance a7, make the powder in the powder bucket a1 be in fluidized state, second switch valve a10 closes and makes intermediate connection tube a2 lower end be in off condition, the first switch valve a9 opens, the powder of fluidisation can be filled into the tube chamber of connection pipe a2, when powder need to transfer out, make the first switch valve a9 close, and second switch valve a10 opens, chew a11 to air inlet and pass into pressure gas to the intermediate connection tube tube chamber, powder in the intermediate connection tube tube chamber is pushed in the flour extraction pipe under the impetus of pressure gas transfer out again.
Because the general shrinking valve structure that adopts as depicted in figs. 1 and 2 of the first switch valve and second switch valve, there is following shortcoming in the mode of this conveying powder: being in the intraluminal powder of intermediate connection tube when the second switch valve cuts out does not have fluidisation to be easy to pile up in tube chamber, the pipeline that easily results in blockage causes powder to carry; Pipeline cleaning is inconvenient, and is time-consuming; Use two shrinking valve costs high.
Summary of the invention
The object of the present invention is to provide a kind of vertical powder conveying device, this feedway can not piled up in pipeline when powder is carried, and pipeline cleaning is simple and convenient.
Above-mentioned purpose is achieved by the following technical solution:
A kind of vertical powder conveying device, comprise the powder bucket, intermediate connection tube and flour extraction pipe, be provided with the first class plate in the powder bucket, the first class plate is divided into powder bucket cavity the first class chamber of the passed into pressure gas of the powder chamber on top and bottom, powder chamber has powder delivery and chews, powder delivery is chewed with the intermediate connection tube upper end and is connected by the first switch valve, the intermediate connection tube lower end is connected by the second switch valve with the flour extraction pipe upper end, intermediate connection tube is provided with second air inlet that can pass into pressure gas and chews, this intermediate connection tube inner sleeve has the second fluidized plate, be provided with the second fluidising chamber between intermediate connection tube and the second fluidized plate, the second air inlet is chewed with the second fluidising chamber and is communicated with, and chews when the second air inlet to make when passing into pressure gas the powder that flows into intermediate connection tube be in fluidized state.
Above technical scheme can be further improved by following measures:
The sidepiece of being located at powder chamber is chewed in this powder delivery, the first switch valve comprises powder adapter, storage tube cell and cylinder, the end that powder is taken over is chewed with powder delivery and is communicated with, the other end is connected to the sidewall of storage tube cell and is communicated with storage tube cell tube chamber, the lower end of storage tube cell is provided with first connection mouth that is communicated with the intermediate connection tube upper end, cylinder is located at storage tube cell upper end, the piston rod outer end of cylinder is provided with sealing member, the piston rod of cylinder stretches into up-and-down movement in the storage tube cell tube chamber, but sealing member shutoff the first connection mouth and be in off condition on making intermediate connection tube.
This intermediate connection tube upper end is provided with the second connection mouth, the second connection mouth passes powder bottom of the barrel and fluidized plate and is communicated with the formation powder delivery with the powder chamber bottom and chews, the first switch valve is the cylinder of being located on the powder bucket and being positioned at the second connection mouth top, the piston rod outer end of cylinder is provided with sealing member, the piston rod of cylinder stretches into the powder chamber up-and-down movement, but sealing member shutoff the second connection mouth and be in off condition on making intermediate connection tube.
This powder bucket sidepiece extends an installation room, and the cavity of installation room is communicated with the cavity of powder bucket, and the first class plate extends in the cavity of installation room, and intermediate connection tube is located at the bottom of installation room, and cylinder is located at the top of installation room.
This second air inlet is chewed and is selectively passed into high velocity air or low speed flow, in the time need to carrying out fluidisation to the powder in the middle connection pipe, the second air inlet is chewed and is passed into low speed flow, and in the time need to pushing the powder in the middle connection pipe, the second air inlet is chewed and passed into high velocity air.
This second switch valve is shrinking valve, comprise valve casing and the first spring tube, valve casing has a powder inlet that is communicated with the intermediate connection tube lower end and a meal outlet that is communicated with the flour extraction pipe upper end, the first spring tube is located in the valve casing and is connected powder inlet and meal outlet, be provided with an airtight air chamber between valve casing and the first spring tube, valve casing is provided with and can chews to the 3rd air inlet that air chamber passes into pressure gas, and the 3rd air inlet is chewed to pass into and the first spring tube shunk behind the pressure gas and make the intermediate connection tube lower end be in off condition.
This second switch valve is folder rod valve, comprise the second spring tube and pressure pipe cylinder, the second spring tube upper end is communicated with the intermediate connection tube lower end, the second spring tube lower end is communicated with the flour extraction pipe upper end, the pressure pipe cylinder is located at a side of the second spring tube, but the side that the second spring tube is relative with the pressure pipe cylinder is provided with the push and block part of push and block the second spring tube tube wall, and the piston rod of pressure pipe cylinder can push away and make the contraction of the second spring tube and make the intermediate connection tube lower end be in off condition.
This second spring tube upper end is communicated with the intermediate connection tube lower end by a joint.
The seal is rubber seal or conical Rubber Parts or semicircle Rubber Parts or round rubber spare.
This second fluidized plate in a tubular form.
The present invention compared with prior art has following advantage:
1) a kind of vertical powder conveying device, comprise the powder bucket, intermediate connection tube and flour extraction pipe, be provided with the first class plate in the powder bucket, the first class plate is divided into powder bucket cavity the first class chamber of the passed into pressure gas of the powder chamber on top and bottom, powder chamber has powder delivery and chews, powder delivery is chewed with the intermediate connection tube upper end and is connected by the first switch valve, the intermediate connection tube lower end is connected by the second switch valve with the flour extraction pipe upper end, intermediate connection tube is provided with second air inlet that can pass into pressure gas and chews, this intermediate connection tube inner sleeve has the second fluidized plate, be provided with the second fluidising chamber between intermediate connection tube and the second fluidized plate, the second air inlet is chewed with the second fluidising chamber and is communicated with, chew when the second air inlet and can make when passing into pressure gas the powder that flows into intermediate connection tube be in fluidized state, after the second switch valve cuts out, powder in the intermediate connection tube still is in fluidized state, and powder is carried more smooth, can not stop up;
2) the first switch valve adopts air cylinder driven to stop up mode and replaces shrinking valve, simple to operate and reduction cost;
3) this second air inlet is chewed and is selectively passed into high velocity air or low speed flow, in the time need to carrying out fluidisation to the powder in the middle connection pipe, the second air inlet is chewed and is passed into low speed flow, in the time need to pushing the powder in the middle connection pipe, the second air inlet is chewed and is passed into high velocity air, this intermediate connection tube can pass into high velocity air and push powder, it is more rapidly quick that the thrust of high velocity air makes opening of second switch valve when the second switch valve is opened, conveying powder is more quick, high velocity air has an automatic cleaning action to pipe interior when cleaning, makes cleaning convenient, fast, thoroughly;
4) high velocity air or low speed flow are only chewed introducing by second air inlet, at Chu Fenshi, switch to low speed flow, when powder feeding, switch to high velocity air, and energy savings reduces cost.
Description of drawings
Fig. 1 is existing vertical powder conveying device storage powdery attitude structural representation;
Fig. 2 is existing vertical powder conveying device powder feeding status architecture schematic diagram;
Fig. 3 and Fig. 4 are the first embodiment of the invention structural representation, and wherein, feedway is in storage powdery attitude among Fig. 3, and feedway is in the powder feeding state among Fig. 4;
Fig. 5 and Fig. 6 are the second embodiment of the invention structural representation, and wherein, feedway is in storage powdery attitude among Fig. 5, and feedway is in the powder feeding state among Fig. 6;
Fig. 7 and Fig. 8 are the third embodiment of the invention structural representation, and wherein, feedway is in storage powdery attitude among Fig. 7, and feedway is in the powder feeding state among Fig. 8;
Fig. 9 and Figure 10 are the four embodiment of the invention structural representation, and wherein, feedway is in storage powdery attitude among Fig. 9, and feedway is in the powder feeding state among Figure 10;
Figure 11 and Figure 12 are first example structure schematic diagram of sealing member of the present invention, and wherein, the seal ring cross-sectional plane of Figure 11 is O shape, and the seal ring cross-sectional plane of Figure 12 is square;
Figure 13 is second example structure schematic diagram of sealing member of the present invention.
Figure 14 is the 3rd example structure schematic diagram of sealing member of the present invention.
The specific embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Embodiment one:
Extremely shown in Figure 4 such as Fig. 3, a kind of vertical powder conveying device, comprise powder bucket 1, intermediate connection tube 21 and flour extraction pipe 3, be provided with first class plate 4 in the powder bucket 1, first class plate 4 is divided into powder bucket 1 the first class chamber 12 of the passed into pressure gas of the powder chamber 11 on top and bottom, the bottom of powder bucket 1 is provided with the first air inlet that is communicated with first class chamber 12 and chews 13, powder chamber 11 has powder delivery and chews 14, powder delivery is chewed 14 and is connected by the first switch valve with intermediate connection tube 21 upper ends, the intermediate connection tube lower end is connected by second switch valve 6 with flour extraction pipe 3 upper ends, intermediate connection tube 21 is provided with second air inlet that can pass into pressure gas and chews 23, these intermediate connection tube 21 inner sleeves have the second fluidized plate 22, this second fluidized plate 22 in a tubular form, be provided with the second fluidising chamber 24 between intermediate connection tube 21 and the second fluidized plate 22, the second air inlet is chewed 23 and is communicated with the second fluidising chamber 24, chews 23 when the second air inlet and can make the powder that flows into intermediate connection tube be in fluidized state when passing into pressure gas.
14 sidepieces of being located at powder chamber 11 are chewed in this powder delivery, the first switch valve comprises powder adapter 15, storage tube cell 16 and cylinder 5, one end of powder adapter 15 is chewed 14 with powder delivery and is communicated with, the other end is connected to the sidewall of storage tube cell 16 and is communicated with storage tube cell 16 tube chambers, the lower end of storage tube cell 16 is provided with first connection mouth 161 that is communicated with intermediate connection tube 21 upper ends, the piston rod outer end of cylinder 5 is provided with sealing member 51, the piston rod of cylinder 5 stretches into up-and-down movement in storage tube cell 16 tube chambers, but sealing member 51 shutoff the first connection mouth 161 and make intermediate connection tube 21 upper ends be in off condition.
This second switch valve 6 is shrinking valves, comprise valve casing 61 and the first spring tube 62, valve casing 61 has a powder inlet 611 that is communicated with intermediate connection tube 21 lower ends and a meal outlet 612 that is communicated with flour extraction pipe 3 upper ends, the first spring tube 62 is located in the valve casing 61 and is connected powder inlet 611 and meal outlet 612, be provided with an airtight air chamber 63 between valve casing 61 and the first spring tube 62, valve casing 61 is provided with can be chewed 64, the three air inlets to the 3rd air inlet that air chamber 63 passes into pressure gas and chew 64 and pass into and the first spring tube 62 is shunk behind the pressure gas and make intermediate connection tube 21 lower ends be in off condition.
This second air inlet is chewed 23 and is selectively passed into high velocity air or low speed flow, and when this feedway was in storage powdery attitude, the first switch valve was opened, and second switch valve 6 cuts out, and the second air inlet is chewed 23 and passed into low speed flow, and the powder in the middle connection pipe is carried out fluidisation; When this feedway was in the powder feeding state, the first switch valve was closed, and second switch valve 6 is opened, and the second air inlet is chewed 23 and passed into high velocity air, and the powder in the middle connection pipe is pushed.
As shown in Figure 3, this feedway is in storage powdery attitude, the first switch valve is opened, second switch valve 6 cuts out and namely chews 64 from the 3rd air inlet and pass into pressure gas, make 62 contractions of the first spring tube and make intermediate connection tube 21 lower ends be in off condition, be in the powder chamber 11 powder through powder delivery chew 14, powder takes over 15, storage tube cell 16 flows in intermediate connection tube 21 tube chambers, the second air inlet is chewed 23 and is passed into low speed flow, and the powder in middle connection pipe 21 tube chambers is carried out fluidisation; As shown in Figure 4, this feedway is in the powder feeding state, it is the motions of cylinder 5 piston rod that the first switch valve is closed, make the sealing member 51 that is positioned at the piston rod outer end stop up the first connection mouth 161 and make intermediate connection tube 21 upper ends be in off condition, second switch valve 6 is opened, the second air inlet is chewed 23 and is passed into high velocity air, and high velocity air pushes powder in connection pipe 21 tube chambers that mediate to flour extraction pipe 3;
Embodiment two:
Extremely shown in Figure 6 such as Fig. 5, embodiment two adopts different structures from the second switch valve 6 of embodiment one, other structure can be used for reference first embodiment, no longer describe in detail herein, the second switch valve 6 of embodiment two is folder rod valve, comprise the second spring tube 65 and pressure pipe cylinder 66, the second spring tube 65 upper ends are communicated with intermediate connection tube 21 lower ends, the second spring tube 65 lower ends are communicated with flour extraction pipe 3 upper ends, pressure pipe cylinder 66 is located at a side of the second spring tube 65, but the second spring tube 65 and pressure pipe cylinder 66 relative sides are provided with the push and block part 67 of push and block the second spring tube 65 tube walls, and the piston rod of pressure pipe cylinder 66 can push away and the second spring tube 65 is shunk and make intermediate connection tube 21 lower ends be in off condition.These the second spring tube 65 upper ends are communicated with intermediate connection tube 21 lower ends by a joint 68.
Embodiment three:
Extremely shown in Figure 8 such as Fig. 7, a kind of vertical powder conveying device, comprise powder bucket 1, intermediate connection tube 21 and flour extraction pipe 3, be provided with first class plate 4 in the powder bucket 1, first class plate 4 is divided into powder bucket 1 the first class chamber 12 of the passed into pressure gas of the powder chamber 11 on top and bottom, the bottom of powder bucket 1 is provided with the first air inlet that is communicated with first class chamber 12 and chews 13, powder chamber 11 has powder delivery and chews 14, powder delivery is chewed 14 and is connected by the first switch valve with intermediate connection tube 21 upper ends, the intermediate connection tube lower end is connected by second switch valve 6 with flour extraction pipe 3 upper ends, intermediate connection tube 21 is provided with second air inlet that can pass into pressure gas and chews 23, these intermediate connection tube 21 inner sleeves have the second fluidized plate 22, this second fluidized plate 22 in a tubular form, be provided with the second fluidising chamber 24 between intermediate connection tube 21 and the second fluidized plate 22, the second air inlet is chewed 23 and is communicated with the second fluidising chamber 24, chews 23 when the second air inlet and can make the powder that flows into intermediate connection tube be in fluidized state when passing into pressure gas.
These intermediate connection tube 21 upper ends are provided with the second connection mouth 211, the second connection mouth 211 passes powder bucket 1 bottom and first class plate 4 and is communicated with powder chamber 11 bottoms and forms powder delivery and chew 14, the first switch valve is the cylinder 5 of being located on the powder bucket and being positioned at the second connection mouth 211 tops, the piston rod outer end of cylinder 5 is provided with sealing member 51, the piston rod of cylinder stretches into 1 li up-and-down movement of powder chamber, but sealing member 51 shutoff the second connection mouth 211 and make intermediate connection tube 21 upper ends be in off condition.
This powder bucket 1 sidepiece extends an installation room 17, and the cavity of installation room 17 is communicated with the cavity of powder bucket 1, and first class plate 4 extends in the cavity of installation room 17, and intermediate connection tube 21 is located at the bottom of installation room 17, and cylinder 5 is located at the top of installation room 17.
This second switch valve 6 is shrinking valve, comprise valve casing 61 and the first spring tube 62, valve casing 61 has a powder inlet 611 that is communicated with intermediate connection tube 21 lower ends and a meal outlet 612 that is communicated with flour extraction pipe 3 upper ends, the first spring tube 62 is located in the valve casing 61 and is connected powder inlet 611 and meal outlet 612, be provided with an airtight air chamber 63 between valve casing 61 and the first spring tube 62, valve casing 61 is provided with can be chewed 64, the three air inlets to the 3rd air inlet that air chamber 63 passes into pressure gas and chew 64 and pass into and the first spring tube 62 is shunk behind the pressure gas and make intermediate connection tube 21 lower ends be in off condition.
This second air inlet is chewed 23 and is selectively passed into high velocity air or low speed flow, when this feedway was in storage powdery attitude, the first switch valve was opened, and second switch valve 6 cuts out, the second air inlet is chewed 23 and is passed into low speed flow, and the powder in the middle connection pipe 21 is carried out fluidisation; When this feedway was in the powder feeding state, the first switch valve was closed, and second switch valve 6 is opened, and the second air inlet is chewed 23 and passed into high velocity air, and the powder in the middle connection pipe 21 is pushed.
As shown in Figure 7, this feedway is in storage powdery attitude, the first switch valve is opened, second switch valve 6 cuts out and namely chews 64 from the 3rd air inlet and pass into pressure gas, make 62 contractions of the first spring tube and make intermediate connection tube 21 lower ends be in off condition, the powder that is in the powder chamber 11 flows in the intermediate connection tube 21 through the second connection mouth 211, and the second air inlet is chewed 23 and passed into low speed flow, and the powder in the middle connection pipe 21 is carried out fluidisation; As shown in Figure 8, this feedway is in the powder feeding state, it is the motions of cylinder 5 piston rod that the first switch valve is closed, make the sealing member 51 that is positioned at the piston rod outer end stop up second connection mouth 211 shutoff the second connection mouth 211 and make intermediate connection tube 21 upper ends be in off condition, second switch valve 6 is opened, the second air inlet is chewed 23 and is passed into high velocity air, and high velocity air pushes powder in the connection pipe 21 that mediates to flour extraction pipe 3;
Embodiment four:
Extremely shown in Figure 10 such as Fig. 9, embodiment four adopts different structures from the second switch valve 6 of embodiment three, other structure can be used for reference the 3rd embodiment, no longer describe in detail herein, the second switch valve 6 of embodiment four is folder rod valve, comprise the second spring tube 65 and pressure pipe cylinder 66, the second spring tube 65 upper ends are communicated with intermediate connection tube 21 lower ends, the second spring tube 65 lower ends are communicated with flour extraction pipe 3 upper ends, pressure pipe cylinder 66 is located at a side of the second spring tube 65, but the second spring tube 65 and pressure pipe cylinder 66 relative sides are provided with the push and block part 67 of push and block the second spring tube 65 tube walls, and the piston rod of pressure pipe cylinder 66 can push away and the second spring tube 65 is shunk and make intermediate connection tube 21 lower ends be in off condition.These the second spring tube 65 upper ends are communicated with intermediate connection tube 21 lower ends by a joint 68.
Extremely shown in Figure 14 such as Figure 11, the sealing means of the sealing member 51 of the piston rod of being located at cylinder 52 outer ends in above-described embodiment one to four can adopt side seal or side seal, and sealing member 51 is rubber seal or conical Rubber Parts or semicircle Rubber Parts or round rubber spare.The sealing member 51 sealing couplings that the shape of the first connection mouth and the second connection mouth is corresponding with it.
Claims (10)
1. vertical powder conveying device, comprise powder bucket, intermediate connection tube and flour extraction pipe, be provided with the first class plate in the powder bucket, the first class plate is divided into powder bucket cavity the first class chamber of the passed into pressure gas of the powder chamber on top and bottom, powder chamber has powder delivery and chews, powder delivery is chewed with the intermediate connection tube upper end and is connected by the first switch valve, the intermediate connection tube lower end is connected by the second switch valve with the flour extraction pipe upper end, intermediate connection tube is provided with second air inlet that can pass into pressure gas and chews, and it is characterized in that:
This intermediate connection tube inner sleeve has the second fluidized plate, be provided with the second fluidising chamber between intermediate connection tube and the second fluidized plate, the second air inlet is chewed with the second fluidising chamber and is communicated with, and chews when the second air inlet to make when passing into pressure gas the powder that flows into intermediate connection tube be in fluidized state.
2. a kind of vertical powder conveying device according to claim 1, it is characterized in that: the sidepiece of being located at powder chamber is chewed in this powder delivery, the first switch valve comprises the powder adapter, storage tube cell and cylinder, the end that powder is taken over is chewed with powder delivery and is communicated with, the other end is connected to the sidewall of storage tube cell and is communicated with storage tube cell tube chamber, the lower end of storage tube cell is provided with first connection mouth that is communicated with the intermediate connection tube upper end, cylinder is located at storage tube cell upper end, the piston rod outer end of cylinder is provided with sealing member, the piston rod of cylinder stretches into up-and-down movement in the storage tube cell tube chamber, but sealing member shutoff the first connection mouth and be in off condition on making intermediate connection tube.
3. a kind of vertical powder conveying device according to claim 1, it is characterized in that: this intermediate connection tube upper end is provided with the second connection mouth, the second connection mouth passes powder bottom of the barrel and fluidized plate and is communicated with the formation powder delivery with the powder chamber bottom and chews, the first switch valve is the cylinder of being located on the powder bucket and being positioned at the second connection mouth top, the piston rod outer end of cylinder is provided with sealing member, the piston rod of cylinder stretches into the powder chamber up-and-down movement, but sealing member shutoff the second connection mouth and be in off condition on making intermediate connection tube.
4. a kind of vertical powder conveying device according to claim 3, it is characterized in that: this powder bucket sidepiece extends an installation room, the cavity of installation room is communicated with the cavity of powder bucket, the first class plate extends in the cavity of installation room, intermediate connection tube is located at the bottom of installation room, and cylinder is located at the top of installation room.
5. according to claim 1 and 2 or 3 or 4 described a kind of vertical powder conveying devices, it is characterized in that: this second air inlet is chewed and is selectively passed into high velocity air or low speed flow, in the time need to carrying out fluidisation to the powder in the middle connection pipe, the second air inlet is chewed and is passed into low speed flow, in the time need to pushing the powder in the middle connection pipe, the second air inlet is chewed and is passed into high velocity air.
6. a kind of vertical powder conveying device according to claim 5, it is characterized in that: this second switch valve is shrinking valve, comprise valve casing and the first spring tube, valve casing has a powder inlet that is communicated with the intermediate connection tube lower end and a meal outlet that is communicated with the flour extraction pipe upper end, the first spring tube is located in the valve casing and is connected powder inlet and meal outlet, be provided with an airtight air chamber between valve casing and the first spring tube, valve casing is provided with and can chews to the 3rd air inlet that air chamber passes into pressure gas, and the 3rd air inlet is chewed to pass into and the first spring tube shunk behind the pressure gas and make the intermediate connection tube lower end be in off condition.
7. a kind of vertical powder conveying device according to claim 5, it is characterized in that: this second switch valve is folder rod valve, comprise the second spring tube and pressure pipe cylinder, the second spring tube upper end is communicated with the intermediate connection tube lower end, the second spring tube lower end is communicated with the flour extraction pipe upper end, the pressure pipe cylinder is located at a side of the second spring tube, but the side that the second spring tube is relative with the pressure pipe cylinder is provided with the push and block part of push and block the second spring tube tube wall, and the piston rod of pressure pipe cylinder can push away and make the contraction of the second spring tube and make the intermediate connection tube lower end be in off condition.
8. a kind of vertical powder conveying device according to claim 7 is characterized in that: be communicated with the intermediate connection tube lower end by a joint on the second spring tube.
9. according to claim 2 or 3 or 4 described a kind of vertical powder conveying devices, it is characterized in that: the seal is rubber seal or conical Rubber Parts or semicircle Rubber Parts or round rubber spare.
10. according to claim 1 and 2 or 3 or 4 described a kind of vertical powder conveying devices, it is characterized in that: this second fluidized plate in a tubular form.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210445836.3A CN102951449B (en) | 2012-11-09 | 2012-11-09 | A kind of vertical powder conveying device |
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|---|---|---|---|
| CN201210445836.3A CN102951449B (en) | 2012-11-09 | 2012-11-09 | A kind of vertical powder conveying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106179813A (en) * | 2016-08-30 | 2016-12-07 | 裕东（中山）机械工程有限公司 | A kind of have the external powder absorbing pipe of quick clearing function for powder unit |
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| CN102135190A (en) * | 2010-01-26 | 2011-07-27 | 中集车辆（集团）有限公司 | Pneumatic shrunk discharge valve and powder material transport cart |
| CN102700940A (en) * | 2012-05-31 | 2012-10-03 | 东南大学 | Compression type variable-pressure powder pump device |
| CN202967558U (en) * | 2012-11-09 | 2013-06-05 | 裕东（中山）机械工程有限公司 | Vertical powder convey device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106179813A (en) * | 2016-08-30 | 2016-12-07 | 裕东（中山）机械工程有限公司 | A kind of have the external powder absorbing pipe of quick clearing function for powder unit |
| CN106179813B (en) * | 2016-08-30 | 2019-01-08 | 裕东（中山）机械工程有限公司 | It is a kind of with the external powder absorbing pipe powder supply unit for quickly cleaning function |
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