CN212196865U - Novel powdery material blanking equipment prevent stifled device - Google Patents
Novel powdery material blanking equipment prevent stifled device Download PDFInfo
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- CN212196865U CN212196865U CN202020433754.7U CN202020433754U CN212196865U CN 212196865 U CN212196865 U CN 212196865U CN 202020433754 U CN202020433754 U CN 202020433754U CN 212196865 U CN212196865 U CN 212196865U
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Abstract
The utility model provides a novel anti-blocking device for powdery material blanking equipment, which comprises a blanking pipe, a compressed air purging pipe and a return pipe, wherein the upper part of the blanking pipe is connected with a storage bin, the lower part of the blanking bin is connected with a rotary feeder, one end of the return pipe is communicated with the blanking pipe, the other end of the return pipe is communicated with the storage bin, the middle part of the return pipe is provided with the compressed air purging pipe, a baffle plate is arranged in the blanking pipe, one end of the baffle plate is connected on the inner side wall of the blanking pipe, the surface of the baffle plate faces downwards and forms an inverted U-shaped semi-closed cavity with the inner wall of the blanking pipe, the outer side of the baffle plate is communicated with the storage bin above to form a blanking pipeline, the utility model discloses a semi-closed cavity in the blanking pipe, and the return pipe communicated with the storage bin is arranged at the cavity, so that the bridged materials can enter the return pipe, and the materials are conveyed again, so that the bridging phenomenon is greatly reduced, and the bridging materials are processed in time.
Description
Technical Field
The utility model relates to a material field of carrying especially relates to a novel powdery material unloading equipment prevent stifled device.
Background
In pneumatic conveying system, feeding system is diversified, generally needs airtight lock to seal, and common feeding system has rotatory feed, screw feed feeder, storehouse pump system feed etc.. The rotary feeder feed system typically uses a roots blower as the gas supply system to provide both suspension flow and short distance dense phase transport regimes.
In rotatory feeder feeding system, the roots blower ventilates as the air supply system in rotatory feeder below, can produce the phenomenon of powdery material suspension "wind liftout" in the top of rotatory feeder, and along with the input nature increase of powdery material in the feed bin, can produce more and more materials between rotatory feeder and the feed bin and pile up to make granule and powdery material appear the phenomenon of "bridging" jam at rotatory feeder and powder storehouse linkage segment.
The rotating feeder feeding system needs to use equipment with good tightness, and in order to solve the problem of bridging, an air exhaust chamber is generally added at the joint of the rotating feeder and a powder bin, so that the problems of blockage prevention of particle materials, wall adhesion of materials, extrusion and plasticization of plastic materials, thermal expansion of high-temperature materials and the like are solved. However, the air extraction chamber in the current market has high price, complex processing technology and long processing period, which can increase the processing cost burden and has low working efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a novel anti-blocking device for powdery material blanking equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel anti-blocking device of powder material blanking equipment comprises a rotary feeder, a storage bin and a blanking pipe, wherein the upper part of the blanking pipe is connected with the storage bin, the lower part of the blanking pipe is connected with the rotary feeder, the novel anti-blocking device also comprises a return pipe, one end of the return pipe is communicated with the blanking pipe, and the other end of the return pipe is communicated with the top of the storage bin; a blocking plate is arranged in the blanking pipe, one end of the blocking plate is connected to the inner side wall of the blanking pipe, an inverted U-shaped semi-closed cavity is formed by the downward surface of the blocking plate and the inner wall of the blanking pipe, and the outer side of the blocking plate is communicated with a bin above the blocking plate to form a blanking pipeline; one end of the material returning pipe is communicated with a cavity formed by the blocking plate, the blocking plate divides the space of the discharging pipe into two parts, one side of the material returning pipe is used as a discharging pipeline to be responsible for conveying materials from the pipeline in the storage bin, and the other side of the material returning pipe is formed into a semi-closed cavity. When the phenomenon of ' bridging ' appears, the material that forms ' bridging ' can block up in blanking pipeline and cavity bottom, because roots's blower ventilates as the air supply system in rotatory feeder below, the material that blocks up in the cavity bottom can return the feed bin along the return tube in the cavity under the effect of wind, because the material that blocks up in the cavity bottom has returned the feed bin, the material that blocks up in blanking pipeline can flow to the cavity, return the feed bin along the return tube, make the material carry unobstructed, solve the problem of ' bridging '.
Further, the bottom surface of the blocking plate is flush with the bottom surface of the discharging pipe, and the bottom surface of the blocking plate is arranged above the rotary feeder. The bottom surface of barrier plate flushes with the bottom surface of unloading pipe, can guarantee that the unloading is unobstructed, can not form the material palirrhea because if barrier plate. When the bottom surface of being higher than the bottom surface of unloading pipe, form a notch between cavity and unloading pipeline under, partial material in the material pipe can return the feed bin along the return pipe through the notch under roots blower's wind-force, forms the material and flows backward.
Further, still blow the pipe including compressed air, compressed air sweeps the one end of pipe and sets up in the return pipe middle part and with the return pipe intercommunication, compressed air sweeps the other end of pipe and connects compressed air equipment, and when the material blockking up appears at the return pipe in-process in the return material, compressed air sweeps intraductal wind and promotes the intraductal material of return material and carry to the feed bin, makes the return pipe mediation.
Furthermore, the return pipe and the compressed air purging pipe form a pipeline communicated in an inverted Y shape, the return pipe is smoothly communicated with the pipeline of the compressed air purging pipe, the thrust of air in the compressed air purging pipe on materials in the return pipe can be increased, and the return pipe is rapidly dredged.
Furthermore, the return pipe is divided into an upper section return pipe and a lower section return pipe, the return pipe between the discharging pipe and the compressed air purging pipe is the lower section return pipe, the return pipe between the compressed air purging pipe and the storage bin is the upper section return pipe, the lower section return pipe is provided with a lower section butterfly valve, the upper section return pipe is provided with an upper section butterfly valve, and the compressed air purging pipe is provided with a ball valve. And the upper section butterfly valve, the lower section butterfly valve and the ball valve respectively control the opening and closing of the upper section return pipe, the lower section return pipe and the compressed air purging pipe.
Furthermore, the blanking pipe is also provided with an observation hole, the observation hole is arranged opposite to the material returning pipe, and the observation hole is used for observing whether material accumulation occurs in the blanking pipe.
Further, the observation hole comprises a stretching pipe and a spiral cover, one end of the stretching pipe is fixed on the discharging pipe and communicated with the discharging pipeline, the spiral cover is fixedly arranged on the outer end head of the stretching pipe, and the stretching pipe is in threaded connection with the spiral cover. The spiral cover can be followed and stretched the pipe and rotated and pull down, when the material appears piling up in the unloading pipe, pull down the spiral cover, utilizes the instrument to disclose the ash to accumulational material, and direct manual solution material is accumulational problem.
Furthermore, the spiral cover is transparent, and the transparent spiral cover is convenient for observing the material condition in the blanking pipe.
Furthermore, an observation hole is additionally arranged at the bottom of the blanking pipe, and when a control picture in the whole material conveying system shows that the current of the Roots blower or the rotary feeder is too large, a valve of a compressed air pipeline is firstly opened for purging; and if the current of the Roots blower or the rotary feeder cannot be recovered to be normal, opening the observation hole and performing ash removal treatment.
Compared with the prior art, the beneficial effects of the utility model are that: (1) the blocking plate is arranged in the blanking pipe, so that the space of the blanking pipe is divided into two parts, one side of the blanking pipe is used as a blanking pipeline to be responsible for normal pipeline conveying of materials from the storage bin, a semi-closed cavity is formed at one side of the blanking pipe, and the cavity is provided with the return pipe communicated with the storage bin, so that the materials forming the bridge can enter the return pipe from the cavity under wind power, return to the storage bin along the return pipe and convey the materials again, and the generation of the bridge phenomenon is greatly reduced and the materials forming the bridge are processed in time; (2) the compressed air purging pipe is arranged on the return pipe, and when the return pipe is blocked by materials, the materials in the return pipe can be pushed into the storage bin by the blowing force of air in the compressed air purging pipe, so that the return pipe is dredged; (4) whether material accumulation occurs in the blanking pipe is observed through the detachable observation hole, when the material accumulation occurs in the blanking pipe, the rotary cover is detached, and the accumulated material is poked with ash by using a tool, so that the problem of material accumulation is directly solved manually; (5) the utility model discloses simple structure, cost low cost, convenient to use does not influence material transport speed and work efficiency.
Drawings
Fig. 1 is a schematic structural view of a novel anti-blocking device of powder material blanking equipment of the utility model;
fig. 2 is the structure schematic diagram of the blanking pipe and the material returning pipe of the novel powder material blanking device anti-blocking device.
Description of reference numerals: 1-rotary feeder, 2-blanking pipe, 201-barrier plate, 202-cavity, 203-blanking pipeline, 3-lower segment butterfly valve, 4-compressed air purging pipe, 5-ball valve, 6-upper segment butterfly valve, 7-return pipe, 8-observation hole, 801-extension pipe, 802-rotary cover and 9-storage bin.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
As shown in fig. 1, a novel anti-blocking device for powder material blanking equipment comprises a rotary feeder 1, a storage bin 9, a blanking pipe 2, a material returning pipe 7 and a material feeding device, wherein the upper part of the blanking pipe 2 is connected with the storage bin 9, the lower part of the blanking pipe 2 is connected with the rotary feeder 1, one end of the material returning pipe 7 is communicated with the blanking pipe 2, and the other end of the material returning pipe 7 is communicated with the top of the storage bin 9; as shown in fig. 2, a blocking plate 201 is arranged in the blanking pipe 2, one end of the blocking plate 201 is connected to the inner side wall of the blanking pipe 2, an inverted U-shaped semi-closed cavity 202 is formed by the downward surface of the blocking plate 201 and the inner wall of the blanking pipe 2, and the outer side of the blocking plate 201 is communicated with the upper bin 9 to form a blanking pipeline 203; one end of the return pipe 7 is communicated with a cavity 202 formed by the blocking plate 201, the blocking plate 201 divides the space of the discharging pipe 2 into two parts, one side of the blocking plate is used as a discharging pipeline 203 to be responsible for conveying materials from a pipeline in the storage bin 9, and the other side of the blocking plate forms a semi-closed cavity 202. When the phenomenon of 'bridging' occurs, the materials forming the 'bridging' can be blocked at the bottoms of the blanking pipeline 203 and the cavity 202, because the Roots blower is used as an air source system to ventilate below the rotary feeder, the materials blocked at the bottom of the cavity 202 can return to the stock bin 9 along the return pipe 7 from the cavity 202 under the action of wind force, because the materials blocked at the bottom of the cavity 202 return to the stock bin, the materials blocked at the blanking pipeline 203 can flow to the cavity 202 and return to the stock bin 9 along the return pipe 7, so that the materials can be smoothly conveyed, and the problem of 'bridging' is solved.
As shown in fig. 2, the bottom surface of the blocking plate 201 is flush with the bottom surface of the blanking pipe 2, and the bottom surface of the blocking plate 201 is above the rotary feeder 1. The bottom surface of barrier plate 201 flushes with the bottom surface of unloading pipe 2, can guarantee that the unloading is unobstructed, can not form the material palirrhea because if barrier plate 201. When the bottom surface of the feeding pipe 2 is higher than the bottom surface of the feeding pipe 2, a gap is formed between the cavity 202 and the feeding pipe 203, and partial materials in the feeding pipe 2 can return to the stock bin along the return pipe through the gap under the wind power of the Roots blower to form reverse flow of the materials.
As shown in fig. 1, the device further comprises a compressed air purging pipe 4, the compressed air purging pipe 4 is arranged in the middle of the return pipe 7 and communicated with the return pipe 7, the other end of the compressed air purging pipe 4 is connected with compressed air equipment, and when the return pipe 7 is blocked by materials in the return process, the compressed air purging pipe 4 pushes the materials in the return pipe 7 to be conveyed to the storage bin 9, so that the return pipe 7 is dredged.
As shown in fig. 1, the return pipe 7 and the compressed air purging pipe 4 form an inverted Y-shaped communicated pipeline, and the return pipe 7 is smoothly communicated with the compressed air purging pipe 4, so that the thrust of the wind in the compressed air purging pipe 4 to the material in the return pipe 7 can be increased, and the return pipe 7 can be rapidly dredged.
As shown in fig. 2, the return pipe 7 is divided into an upper section return pipe and a lower section return pipe, the return pipe 7 between the discharging pipe 2 and the compressed air purging pipe 4 is the lower section return pipe, the return pipe 7 between the compressed air purging pipe 4 and the storage bin 9 is the upper section return pipe, the lower section return pipe is provided with a lower section butterfly valve 3, the upper section return pipe is provided with an upper section butterfly valve 6, and the compressed air purging pipe 4 is provided with a ball valve 5. The upper section butterfly valve 6, the lower section butterfly valve 3 and the ball valve 5 respectively control the opening and closing of the upper section return pipe, the lower section return pipe and the compressed air purging pipe 4.
As shown in fig. 1, the discharging pipe 2 is further provided with an observation hole 8, the observation hole 8 is arranged opposite to the material returning pipe 7, and the observation hole 8 is used for observing whether material accumulation occurs in the discharging pipe 2.
As shown in fig. 2, the observation hole 8 includes a tube 801 and a screw cap 802, one end of the tube 801 is fixed on the feeding tube 2 and is communicated with the feeding pipe 203, the screw cap 802 is fixed on the outer end of the tube 801, and the tube 801 is in threaded connection with the screw cap 802. The spiral cover 802 can be rotationally detached from the extension pipe 801, when materials are stacked in the feed pipe 2, the spiral cover 802 is detached, and the stacked materials are poked with dust by using tools, so that the problem of material stacking is directly solved manually.
As shown in fig. 2, the screw cap 802 is a transparent screw cap, and the transparent screw cap 802 facilitates observation of the material condition in the feeding tube 2.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (9)
1. The utility model provides a novel powder material unloading equipment prevent stifled device, includes rotatory feeder (1), feed bin (9), unloading pipe (2), the upper portion and the feed bin (9) of unloading pipe (2) are connected, the lower part and the rotatory feeder (1) of unloading pipe (2) are connected its characterized in that: the device is characterized by further comprising a return pipe (7), wherein one end of the return pipe (7) is communicated with the blanking pipe (2), and the other end of the return pipe (7) is communicated with the top of the storage bin (9);
a blocking plate (201) is arranged in the discharging pipe (2), one end of the blocking plate (201) is connected to the inner side wall of the discharging pipe (2), an inverted U-shaped semi-closed cavity (202) is formed by the surface of the blocking plate (201) facing downwards and the inner wall of the discharging pipe (2), and the outer side of the blocking plate (201) is communicated with the upper bin (9) to form a discharging pipeline (203);
one end of the return pipe (7) is communicated with the cavity (202).
2. The novel anti-blocking device for the powdery material blanking equipment as claimed in claim 1, is characterized in that: the bottom end of the blocking plate (201) is flush with the bottom surface of the blanking pipe (2), and the bottom end of the blocking plate (201) is arranged above the rotary feeder (1).
3. The novel anti-blocking device for the powdery material blanking equipment as claimed in claim 2, is characterized in that: still blow and sweep pipe (4) including compressed air, the one end that compressed air blown and swept pipe (4) is in return pipe (7) middle part and return pipe (7) intercommunication, compressed air equipment is connected to the other end that compressed air blown and swept pipe (4).
4. A novel anti-blocking device for powdery material blanking equipment as claimed in claim 3, characterized in that: the return pipe (7) and the compressed air purging pipe (4) form an inverted Y-shaped communicated pipeline.
5. The novel anti-blocking device for the powdery material blanking equipment as claimed in claim 4, is characterized in that: the material return pipe (7) is divided into an upper section material return pipe and a lower section material return pipe, the material return pipe (7) between the discharging pipe (2) and the compressed air purging pipe (4) is the lower section material return pipe, the material return pipe (7) between the compressed air purging pipe (4) and the storage bin (9) is the upper section material return pipe, the lower section material return pipe is provided with a lower section butterfly valve (3), and the upper section material return pipe is provided with an upper section butterfly valve (6).
6. The novel anti-blocking device for the powdery material blanking equipment as claimed in claim 5, is characterized in that: and a ball valve (5) is arranged on the compressed air purging pipe (4).
7. The novel anti-blocking device for the powdery material blanking equipment as claimed in claim 6, is characterized in that: the discharging pipe (2) is further provided with an observation hole (8), and the observation hole (8) is arranged opposite to the material returning pipe (7).
8. The novel anti-blocking device for the powdery material blanking equipment as claimed in claim 7, is characterized in that: the observation hole (8) is including stretching pipe (801) and spiral cover (802), the one end of stretching pipe (801) is fixed on unloading pipe (2) and is communicate with unloading pipeline (203), the overhead fixed spiral cover (802) that is provided with in outer end of stretching pipe (801), stretch pipe (801) and spiral cover (802) threaded connection.
9. The novel anti-blocking device for the powdery material blanking equipment as claimed in claim 8, is characterized in that: the screw cap (802) is a transparent screw cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020433754.7U CN212196865U (en) | 2020-03-30 | 2020-03-30 | Novel powdery material blanking equipment prevent stifled device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020433754.7U CN212196865U (en) | 2020-03-30 | 2020-03-30 | Novel powdery material blanking equipment prevent stifled device |
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| CN212196865U true CN212196865U (en) | 2020-12-22 |
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| CN202020433754.7U Active CN212196865U (en) | 2020-03-30 | 2020-03-30 | Novel powdery material blanking equipment prevent stifled device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114590560A (en) * | 2022-03-02 | 2022-06-07 | 浙江理工大学 | Apple straightening device |
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2020
- 2020-03-30 CN CN202020433754.7U patent/CN212196865U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114590560A (en) * | 2022-03-02 | 2022-06-07 | 浙江理工大学 | Apple straightening device |
| CN114590560B (en) * | 2022-03-02 | 2023-07-21 | 浙江理工大学 | Apple righting device |
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