CN220392603U - Cabin type conveying pump in pneumatic conveying system - Google Patents
Cabin type conveying pump in pneumatic conveying system Download PDFInfo
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- CN220392603U CN220392603U CN202322058181.0U CN202322058181U CN220392603U CN 220392603 U CN220392603 U CN 220392603U CN 202322058181 U CN202322058181 U CN 202322058181U CN 220392603 U CN220392603 U CN 220392603U
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- flange
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- 238000005243 fluidization Methods 0.000 claims abstract description 78
- 238000007599 discharging Methods 0.000 claims abstract description 29
- 238000002347 injection Methods 0.000 claims abstract description 28
- 239000007924 injection Substances 0.000 claims abstract description 28
- 238000007605 air drying Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 230000007704 transition Effects 0.000 claims description 12
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 230000001172 regenerating effect Effects 0.000 claims description 8
- 239000008187 granular material Substances 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008676 import Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 8
- 238000002309 gasification Methods 0.000 description 7
- 239000004744 fabric Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Air Transport Of Granular Materials (AREA)
Abstract
The utility model discloses a bin type conveying pump in a pneumatic conveying system, which comprises: the bin body, be provided with the feed inlet at the top of the bin body, be provided with the discharging pipe on the right side wall of the bin body, be connected with the feed pipe on the discharging pipe, be provided with the choke between feed pipe and discharging pipe, be provided with the inlet port on the left side wall of the bin body, be connected with intake pipe and injection pipe on the inlet port, the injection pipe stretches into in the discharging pipe, be provided with the fluidization room in the bin body, be provided with the fluidization board in the fluidization room, be provided with the fluidization gas import in the bottom of fluidization room, be provided with the aviation baffle directly over the fluidization gas import, be connected with the three-way valve on the fluidization gas import, the both ends of three-way valve link to each other with fluidization gas inlet pipe and blow off pipe respectively, fluidization gas inlet pipe and intake pipe all link to each other with same root distributing pipe, the distributing pipe passes through the air drying heating subassembly and links to each other with compressed air source. The utility model can improve the fluidization effect and the conveying effect of the granular materials.
Description
Technical Field
The utility model relates to the technical field of pneumatic conveying, in particular to a bin type conveying pump in a pneumatic conveying system.
Background
The pneumatic conveying system is a device for conveying granular materials along the air flow direction in a closed pipeline by utilizing the energy of the air flow. Wherein, the bin type conveying pump in the pneumatic conveying system is a core component, and not only plays a role in bearing the granular materials, but also plays a role in fluidization and conveying of the granular materials. I disclose in 2020 a publication No.: the device utilizes heated fluidizing gas to fluidize the granular materials on the porous gasification plate, so that the granular materials are boiled on the gasification plate, then the jet pipe is used for jetting air flow to an ash outlet, the boiled granular materials are sucked into the ash outlet by utilizing suction force generated by the jet air flow, and then the boiled granular materials are blown into a pipeline connected with the ash outlet from the ash outlet for conveying. But during use, my company found that the device had some drawbacks: 1. the gasification pipe for jetting the fluidizing gas is positioned on the side wall of the bin pump, when the fluidizing gas blown out from the side wall acts on the porous gasification plate, a dead zone is easily formed on the porous gasification plate, and granular materials are easily coagulated into blocks on the dead zone; 2. when only the fluidizing gas is heated and the injected compressed air is not heated, the hot fluidizing gas suddenly encounters the cold compressed air in a wet and cold environment to easily condense water, so that the granular materials are condensed together, the conveying efficiency is reduced, and even the granular materials are damaged; 3. when the injection pipe is used for injecting the ash outlet, the generated negative pressure suction force is not large enough, and the conveying efficiency is low.
Disclosure of Invention
The utility model aims to improve a sedimentation boosting device of an original on-site ash conveying pipeline bin pump, and provides a bin type conveying pump in a pneumatic conveying system, which has high conveying efficiency and high fluidization degree and can prevent particle materials from being coagulated due to cold and hot air phase intersection in a bin body.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a cartridge conveyor pump in a pneumatic conveying system, comprising: the bin body, be provided with the feed inlet at the top of the bin body, be provided with the discharging pipe on the right side wall of the bin body, be connected with the feed pipe on the discharging pipe, be provided with the choke between feed pipe and discharging pipe, the path end of choke stretches into in the feed pipe, be provided with the inlet port on the left side wall of the bin body, be connected with intake pipe and injection pipe on the inlet port, the injection pipe is located the bin body and stretches into in the discharging pipe, be provided with the fluidization room in the bin body of discharging pipe below, be provided with the fluidization plate in the fluidization room, be provided with the fluidization gas import in the bottom of fluidization room, be provided with the aviation baffle directly over the fluidization gas import, be connected with the three-way valve on the fluidization gas import, the both ends of three-way valve link to each other with fluidization gas inlet pipe and blow off pipe respectively, fluidization gas inlet pipe and intake pipe all link to each other with same root distribution pipe, the distribution pipe passes through air drying heating assembly and links to each other with the compressed air source.
Further, the bin type conveying pump in the pneumatic conveying system, wherein the connecting structure among the discharging pipe, the feeding pipe and the throat pipe is as follows: and a discharge butterfly valve is further arranged between the feeding pipe and the discharging pipe, a connecting flange is arranged at the end part of the feeding pipe adjacent to the discharging pipe and on the throat pipe, the connecting flange on the discharging pipe is attached to one end wall of the discharge butterfly valve and fixedly connected with the connecting flange through bolts, the other end wall of the discharge butterfly valve is attached to the connecting flange of the throat pipe, the connecting flange of the throat pipe is attached to the connecting flange of the feeding pipe, and the connecting flange of the discharge butterfly valve, the throat pipe and the connecting flange of the feeding pipe are connected through bolts.
Further, in the aforementioned pneumatic conveying system, the connection structure between the air inlet pipe and the injection pipe and the bin body is: the air inlet of the bin body is welded with a shaft flange, the air inlet pipe is provided with an air inlet flange, the injection pipe is welded with a transition flange, the injection pipe penetrates through the shaft flange and stretches into the bin body, the transition flange on the injection pipe is attached to the shaft flange, the air inlet flange on the air inlet pipe is attached to the transition flange, and the air inlet flange, the transition flange and the shaft flange are connected through bolts.
Further, in the aforementioned bin-type conveying pump in the pneumatic conveying system, the air inlet pipe and the fluidizing air inlet pipe are provided with check valves and flow control valves, and the check valves are located in a direction of one side of the outlet end of the flow control valves.
Further, in the aforementioned bin-type conveying pump in the pneumatic conveying system, the air drying and heating assembly comprises: the air inlet end of the regenerative adsorption dryer is connected with a compressed air source, the air outlet end of the regenerative adsorption dryer is connected with the air inlet end of the air heater, and the air outlet end of the air heater is connected with the distributing pipe.
Further, in the aforementioned bin-type conveying pump in the pneumatic conveying system, the heat tracing band is wound on the distributing pipe, the air inlet pipe and the fluidization air inlet pipe.
Furthermore, in the bin type conveying pump in the pneumatic conveying system, a plurality of supporting rods are uniformly distributed on the air deflector, and the supporting rods are welded on the bottom wall of the fluidization chamber.
The utility model has the advantages that: 1. the distributing pipe connected with the air inlet pipe and the fluidization air pipe is connected with the air drying and heating assembly, and the heat tracing belt is wound on the air inlet pipe, the fluidization air pipe and the distributing pipe, so that the compressed air entering the bin body is ensured to be dry and warm, and the fluidization effect and the conveying effect of the granular materials can be ensured when the compressed air acts on the granular materials; 2. the fluidization gas inlet is arranged at the bottom of the fluidization chamber, so that the gas can flow upwards directly, the gas coming out of the fluidization gas inlet can diffuse around under the guiding action of the air deflector, and the gas can uniformly distribute in the fluidization chamber due to the fact that the gas diffuses around the phase while moving upwards, thereby uniformly acting on the fluidization plate and preventing dead zones on the fluidization plate; 3. a throat pipe is arranged between the discharging pipe and the feeding pipe, the injection pipe extends into the discharging pipe, and the venturi principle is utilized to improve the negative pressure generated when the injection pipe injects gas, so that the suction force on the granular materials is improved, and the conveying efficiency of the granular materials is improved; 4. through threaded connection, then weld the flange on the injection pipe between intake pipe and the injection pipe in CN213415531U, the rethread flange is connected with the flange on the storehouse body, and in this application directly passes through flange joint between intake pipe, the injection pipe and the storehouse body, compares connection structure in CN213415531U simpler, more makes things convenient for maintenance and the change in later stage.
Drawings
Fig. 1 is a schematic structural diagram of a bin type conveying pump in a pneumatic conveying system according to the present utility model.
Fig. 2 is a partially enlarged schematic view of the structure in the direction a in fig. 1.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and the preferred embodiments.
As shown in fig. 1 to 2, a bin type conveying pump in a pneumatic conveying system according to the present utility model includes: the bin body 1, be provided with feed inlet 11 at the top of the bin body 1, be provided with discharging pipe 12 on the right side wall of the bin body 1, be connected with conveying pipe 13 on discharging pipe 12, be provided with choke 14 between conveying pipe 13 and discharging pipe 12, choke 14's path end stretches into in the conveying pipe 13, connection structure between discharging pipe 12, conveying pipe 13 and choke 14 is: the end of the feeding pipe 13 adjacent to the discharging pipe 12 and the throat pipe 14 are respectively provided with a connecting flange, the connecting flange on the discharging pipe 12 is abutted against one end wall of the discharging butterfly valve 15 and fixedly connected by bolts, the other end of the discharging butterfly valve 15 is abutted against the connecting flange of the throat pipe 14, the connecting flange of the throat pipe 14 is abutted against the connecting flange of the feeding pipe 13, and the connecting flanges of the discharging butterfly valve 15, the throat pipe 14 and the feeding pipe 13 are connected by bolts.
The left side wall of the bin body 1 is provided with an air inlet hole, the air inlet hole is connected with an air inlet pipe 2 and an injection pipe 21, the injection pipe 21 is positioned in the bin body 1 and stretches into the discharging pipe 12, and the connection structure between the air inlet pipe 2 and the injection pipe 21 and the bin body 1 is as follows: the air inlet of the bin body 1 is welded with a shaft flange 16, the air inlet pipe 2 is provided with an air inlet flange 22, the injection pipe 21 is welded with a transition flange 23, the injection pipe 21 penetrates through the shaft flange 16 and stretches into the bin body 1, the transition flange 23 on the injection pipe 21 is abutted against the shaft flange 16, the air inlet flange 22 on the air inlet pipe 2 is abutted against the transition flange 23, and the air inlet flange 22, the transition flange 23 and the shaft flange 16 are connected through bolts.
The fluidized bed furnace is characterized in that a fluidization chamber 3 is arranged in the bin body 1 below the discharge pipe 12, a fluidization plate 31 is arranged in the fluidization chamber 3, the fluidization plate 31 consists of two porous gasification plates and one fluidization cloth, the fluidization cloth is fixed between the two porous gasification plates, a fluidization gas inlet is arranged at the bottom of the fluidization chamber 3, an air deflector 32 is arranged in the fluidization chamber 3, the air deflector 32 is arranged right above the fluidization gas inlet, a plurality of support rods 33 are uniformly distributed on the air deflector 32, the support rods 33 are welded on the bottom wall of the fluidization chamber 3 to support the air deflector 32, the fluidization gas inlet is arranged at the bottom to enable gas to flow upwards directly, the gas coming out of the fluidization gas inlet can diffuse around under the guiding effect of the air deflector 32, the gas can not directly act on the fluidization cloth of the fluidization plate 31 to damage the fluidization cloth, and the gas can be distributed more uniformly on the fluidization plate 31 in the process of diffusing around while moving upwards, so that dead zones of the particle materials on the fluidization plate 31 are prevented. The three-way valve 34 is connected to the fluidization air inlet, two ends of the three-way valve 34 are respectively connected to the fluidization air inlet pipe 4 and the blow-off pipe 5, the three-way valve 34 is switched to enable the fluidization chamber 3 and the fluidization air inlet pipe 4 or the blow-off pipe 5 to form a passage, when the passage is switched to the blow-off pipe 5, waste materials in the fluidization chamber 3 can be discharged from the three-way valve 34 and the blow-off pipe 5, the fluidization air inlet pipe 4 and the air inlet pipe 2 are connected to the same distribution pipe 6, the heat tracing belt 7 is wound on the distribution pipe 6, the air inlet pipe 2 and the fluidization air inlet pipe 4, the check valve 17 and the flow control valve 18 are arranged on the air inlet pipe 2 and the fluidization air inlet pipe 4, the check valve 17 is positioned at one side direction of the outlet end of the flow control valve 18, the check valve 17 can prevent gas in the pipeline from flowing back, so that the control precision of the flow control valve 18 is ensured, the distribution pipe 6 is connected to a compressed air source through an air drying and heating assembly, and the air drying and heating assembly comprises: the regenerative adsorption dryer 8 and the gas heater 9 are in the prior art, and the regenerative adsorption dryer 8 and the gas heater 9 are not described in detail herein, the air inlet end of the regenerative adsorption dryer 8 is connected with the compressed air source, the air outlet end of the regenerative adsorption dryer 8 is connected with the air inlet end of the gas heater 9, and the air outlet end of the gas heater 9 is connected with the distribution pipe 6.
When the fluidized bed drying device is used, granular materials enter the bin body 1 through the feed inlet 11 and are accumulated on the fluidization plate 31, then the regeneration adsorption dryer 8, the gas heater 9, the heat tracing belt 7 and the discharge butterfly valve 15 are started, then the check valve 17 and the flow valve 18 on the fluidization gas inlet pipe 4 are opened, compressed air enters the regeneration adsorption dryer 8 to be dried, the dried compressed air enters the gas heater 9 to be heated, the dried and heated compressed air enters the fluidization gas inlet pipe 4 through the distribution pipe 6, the heat tracing belt 7 heats and keeps the fluidization gas inlet pipe 4 and the distribution pipe 6, the compressed air is not cooled in the conveying process, the three-way valve 34 is switched to a passage of the fluidization gas inlet pipe 4, the dried and warmed compressed air enters the fluidization plate 31 to be fluidized, then the check valve 17 and the flow control valve 18 on the air inlet pipe 2 are opened, the dried and warmed compressed air enters the injection pipe 21 to be injected into the discharge pipe 12 through the air inlet pipe 2, the compressed air injected by the injection pipe 21 enters the throat 14, the compressed air with the pipe diameter being increased, the compressed air with the flow velocity being increased, and the compressed air entering the throat 12 is blown out from the discharge pipe 12, and the negative pressure being greatly increased, and the negative pressure being blown into the material is blown into the discharge pipe 12, and the negative pressure being greatly increased, and the particles being blown into the material is blown into the material pipe 12 and the negative pressure is greatly and discharged from the material. When the dry warm gas in the air inlet pipe 2 and the fluidization gas inlet pipe 4 acts on the granular materials in the bin body 1, the granular materials can be kept dry, the fluidization effect is improved, and when the granular materials are conveyed into the material conveying pipe 13 under the action of the dry warm gas, the granular materials and the dry warm gas slowly reduce heat in the material conveying pipe 13, and in the slow heat reducing process, the phenomenon of condensation and agglomeration of the granular materials is not easy to occur, so that the subsequent working procedures are not influenced.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the utility model without departing from the spirit and scope of the utility model, which is intended to be covered by the claims.
Claims (7)
1. A cartridge conveyor pump in a pneumatic conveying system, comprising: the storehouse body, its characterized in that: the top of the bin body is provided with a feed inlet, the right side wall of the bin body is provided with a discharge pipe, the discharge pipe is connected with a feed pipe, a throat is arranged between the feed pipe and the discharge pipe, the small diameter end of the throat stretches into the feed pipe, the left side wall of the bin body is provided with an air inlet hole, an air inlet pipe and an injection pipe are connected onto the air inlet hole, the injection pipe is positioned in the bin body and stretches into the discharge pipe, a fluidization chamber is arranged in the bin body below the discharge pipe, a fluidization plate is arranged in the fluidization chamber, a fluidization gas inlet is arranged at the bottom of the fluidization chamber, an air deflector is arranged right above the fluidization gas inlet, a three-way valve is connected onto the fluidization gas inlet, two ends of the three-way valve are respectively connected with a fluidization gas inlet pipe and a blow-down pipe, the fluidization gas inlet pipe is connected with an air inlet pipe, and the distribution pipe is connected with a compressed air source through an air drying heating assembly.
2. A cartridge conveyor pump in a pneumatic conveying system as claimed in claim 1, wherein: the connection structure between discharging pipe, conveying pipe and throat is: and a discharge butterfly valve is further arranged between the feeding pipe and the discharging pipe, a connecting flange is arranged at the end part of the feeding pipe adjacent to the discharging pipe and on the throat pipe, the connecting flange on the discharging pipe is attached to one end wall of the discharge butterfly valve and fixedly connected with the connecting flange through bolts, the other end wall of the discharge butterfly valve is attached to the connecting flange of the throat pipe, the connecting flange of the throat pipe is attached to the connecting flange of the feeding pipe, and the connecting flange of the discharge butterfly valve, the throat pipe and the connecting flange of the feeding pipe are connected through bolts.
3. A cartridge conveyor pump in a pneumatic conveying system as claimed in claim 1, wherein: the connection structure between the air inlet pipe and the injection pipe and the bin body is as follows: the air inlet of the bin body is welded with a shaft flange, the air inlet pipe is provided with an air inlet flange, the injection pipe is welded with a transition flange, the injection pipe penetrates through the shaft flange and stretches into the bin body, the transition flange on the injection pipe is attached to the shaft flange, the air inlet flange on the air inlet pipe is attached to the transition flange, and the air inlet flange, the transition flange and the shaft flange are connected through bolts.
4. A cartridge conveyor pump in a pneumatic conveying system as claimed in claim 1, wherein: the air inlet pipe and the fluidization air inlet pipe are respectively provided with a check valve and a flow control valve, and the check valves are positioned at one side direction of the outlet end of the flow control valve.
5. A cartridge conveyor pump in a pneumatic conveying system as claimed in claim 1, wherein: the air drying and heating assembly includes: the air inlet end of the regenerative adsorption dryer is connected with a compressed air source, the air outlet end of the regenerative adsorption dryer is connected with the air inlet end of the air heater, and the air outlet end of the air heater is connected with the distributing pipe.
6. A cartridge conveyor pump in a pneumatic conveying system as claimed in claim 1, wherein: the distribution pipe, the air inlet pipe and the fluidization air inlet pipe are all wound with heat tracing bands.
7. A cartridge conveyor pump in a pneumatic conveying system as claimed in claim 1, wherein: a plurality of support rods are uniformly distributed on the air deflector and welded on the bottom wall of the fluidization chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322058181.0U CN220392603U (en) | 2023-08-02 | 2023-08-02 | Cabin type conveying pump in pneumatic conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322058181.0U CN220392603U (en) | 2023-08-02 | 2023-08-02 | Cabin type conveying pump in pneumatic conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220392603U true CN220392603U (en) | 2024-01-26 |
Family
ID=89597630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322058181.0U Active CN220392603U (en) | 2023-08-02 | 2023-08-02 | Cabin type conveying pump in pneumatic conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220392603U (en) |
-
2023
- 2023-08-02 CN CN202322058181.0U patent/CN220392603U/en active Active
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