CN113120621A - Building powder anti-blocking pneumatic conveying device - Google Patents

Building powder anti-blocking pneumatic conveying device Download PDF

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Publication number
CN113120621A
CN113120621A CN202110420112.2A CN202110420112A CN113120621A CN 113120621 A CN113120621 A CN 113120621A CN 202110420112 A CN202110420112 A CN 202110420112A CN 113120621 A CN113120621 A CN 113120621A
Authority
CN
China
Prior art keywords
filter cylinder
building powder
piston
conveying device
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110420112.2A
Other languages
Chinese (zh)
Inventor
张洪梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shazhou Professional Institute of Technology
Original Assignee
Shazhou Professional Institute of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shazhou Professional Institute of Technology filed Critical Shazhou Professional Institute of Technology
Priority to CN202110420112.2A priority Critical patent/CN113120621A/en
Publication of CN113120621A publication Critical patent/CN113120621A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
    • B65G53/06—Gas pressure systems operating without fluidisation of the materials
    • B65G53/10—Gas pressure systems operating without fluidisation of the materials with pneumatic injection of the materials by the propelling gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/69—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side without movement with respect to the filter elements, e.g. fixed nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/79—Regeneration of the filtering material or filter elements inside the filter by liquid process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
    • B65G53/06—Gas pressure systems operating without fluidisation of the materials
    • B65G53/08—Gas pressure systems operating without fluidisation of the materials with mechanical injection of the materials, e.g. by screw
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/32—Conveying concrete, e.g. for distributing same at building sites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/36—Arrangements of containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/40—Feeding or discharging devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/40—Feeding or discharging devices
    • B65G53/50—Pneumatic devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/60—Devices for separating the materials from propellant gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/18—Preventing escape of dust
    • B65G69/185—Preventing escape of dust by means of non-sealed systems

Abstract

The invention discloses a building powder anti-blocking pneumatic conveying device, which comprises: the improved exhaust filter comprises a Roots blower, an air locking feeder, an air ejector pipe, a conveying pipe, a storage bin and an exhaust filtering anti-blocking assembly, wherein a cover plate is arranged at the top of the storage bin, the exhaust filtering anti-blocking assembly comprises a pipe joint, a filter cylinder, a cleaning ring, a piston and a piston sleeve, the pipe joint is arranged on the cover plate and extends downwards into the storage bin, the filter cylinder is arranged at the bottom of the pipe joint, the cleaning ring sleeve is arranged on the filter cylinder, the piston sleeve is vertically arranged on the cover plate and is located on the side face of the filter cylinder, a cantilever extending to the lower side of the piston sleeve is arranged on the cleaning ring, a piston rod extending into the piston sleeve is arranged on the cantilever, and the piston is arranged in the. Through the mode, the anti-blocking pneumatic conveying device for the building powder disclosed by the invention can be used for automatically cleaning the building powder on the surface of the filter cylinder, manual maintenance is not needed, and the cost is reduced.

Description

Building powder anti-blocking pneumatic conveying device
Technical Field
The invention relates to the field of building materials, in particular to an anti-blocking pneumatic conveying device for building powder.
Background
The cement is a powdery hydraulic inorganic cementing material, belongs to common building materials, and can be mixed with water and sandstone aggregates to form concrete.
Cement often need carry out pneumatic transport in production, storage and use, because cement is likepowder building material, when carrying to the feed bin through the pneumatic transport, easy raise dust, both polluted the air, can cause the waste of raw materials, consequently, install filter mechanism on the gas vent of feed bin many, carry out carminative filtration, but cement is attached to on filter mechanism easily, causes the jam problem, has influenced carminative efficiency, needs the manual work to carry out frequent maintenance.
Disclosure of Invention
The invention mainly solves the technical problem of providing an anti-blocking pneumatic conveying device for building powder, which realizes pneumatic conveying of the building powder and automatically clears the blockage of a filtering mechanism.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a building powder prevents stifled air conveyor, includes: the improved Roots blower comprises a Roots blower, an air locking feeder, an air injection pipe, a conveying pipe, a storage bin and an exhaust filtering anti-blocking component, wherein the air injection pipe is arranged at an air outlet of the Roots blower, the conveying pipe is arranged between the air injection pipe and the upper portion of the storage bin, the air locking feeder is arranged on the air injection pipe, a cover plate is arranged at the top of the storage bin, the exhaust filtering anti-blocking component comprises a pipe joint, a filter cylinder, a cleaning ring, a piston and a piston sleeve, the pipe joint is arranged on the cover plate and extends downwards into the storage bin, the filter cylinder is arranged at the bottom of the pipe joint, the cleaning ring is sleeved on the filter cylinder, the piston sleeve is vertically arranged on the cover plate and is positioned on the side face of the filter cylinder, a cantilever extending to the lower portion of the piston sleeve is arranged on the cleaning ring, a piston rod extending into.
In a preferred embodiment of the invention, the air-locking feeder is provided with a hopper.
In a preferred embodiment of the present invention, the pipe joint is provided with a first flange, and the first flange is connected with the cover plate by screws.
In a preferred embodiment of the invention, the bottom of the filter cylinder is provided with a blocking plate, and the diameter of the outer circle of the filter cylinder is smaller than that of the blocking plate.
In a preferred embodiment of the present invention, a weight is disposed on the cantilever.
In a preferred embodiment of the invention, the top of the pipe joint is provided with an exhaust pipe.
In a preferred embodiment of the invention, the exhaust pipe is connected with an air inlet of the Roots blower.
In a preferred embodiment of the invention, the piston sleeves are distributed around the filter cartridge in an annular array, and the piston sleeves are provided with second flanges on the cover plates.
The invention has the beneficial effects that: the invention provides an anti-blocking pneumatic conveying device for building powder, which is characterized in that a Roots blower is used for conveying the building powder in a hopper into a storage bin, the storage bin is kept at positive pressure, redundant gas is discharged through a filter cylinder, the building powder in the gas is retained on the surface of the filter cylinder, the building powder attached to the surface of the filter cylinder is increased and is partially blocked along with the pneumatic conveying, and the air pressure in the storage bin is increased due to unsmooth air exhaust, so that a piston is driven to ascend, a cantilever and a cleaning ring are driven to move upwards, the automatic cleaning of the building powder on the surface of the filter cylinder is realized, the air exhaust of the filter cylinder is recovered, the air pressure in the storage bin is reduced, and the piston is reset under the action of self weight for subsequent ascending cleaning, manual maintenance is not needed, and the automation degree.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural diagram of a preferred embodiment of an anti-blocking pneumatic conveying device for building powder according to the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 2, an embodiment of the present invention includes:
the anti-blocking pneumatic conveying device for building powder shown in figure 1 comprises: roots blower 1, lock gas batcher 7, jet-propelled pipe 6, conveyer pipe 2, feed bin 4 and exhaust and filter and prevent stifled subassembly, and jet-propelled pipe 6 sets up in Roots blower 1's gas outlet, and lock gas batcher 7 sets up on jet-propelled pipe 6, in this embodiment, sets up on the lock gas batcher 7 with hopper 3, gives jet-propelled pipe 6 through the building powder of lock gas batcher 7 in with hopper 3, realizes the air-conveying of building powder.
The conveying pipe 2 is arranged between the gas injection pipe 6 and the upper part of the storage bin 4, and the construction powder is sent to the storage bin 4 through the work of the Roots blower 1. In this embodiment, 4 tops of feed bin are provided with apron 5, and apron 5 adopts the bolt fastening on feed bin 4, carries out the sealed of feed bin 4, avoids the raise dust problem.
When the Roots blower 1 works, the air pressure in the stock bin 4 rises, and air exhaust and filtration are needed. As shown in fig. 2, the exhaust filtering anti-blocking assembly comprises a pipe joint 8, a filter cartridge 17, a cleaning ring 19, a piston 12 and a piston sleeve 10, wherein the pipe joint 8 is arranged on the cover plate 5 and extends downwards into the storage bin 4 for exhausting, in this embodiment, a first flange 9 is arranged on the pipe joint 8, and the first flange 9 is connected with the cover plate 5 by screws, so that the disassembly is convenient.
The filter cartridge 17 is arranged at the bottom of the pipe joint 8, and in the embodiment, the outer circle of the filter cartridge 17 is provided with a filter hole for filtering exhaust gas and avoiding the discharge of building powder. After a long time of operation, the building powder adheres to the filter cartridge 17 and blocks part of the filter holes, resulting in unsmooth air discharge and further increased air pressure in the storage bin 4. The cleaning ring 19 is sleeved on the filter cylinder 17, the inner diameter of the cleaning ring 19 corresponds to the outer circle of the filter cylinder 17, and building powder on the filter cylinder 17 can be cleaned through the lifting of the cleaning ring 19.
The piston sleeve 10 is vertically arranged on the cover plate 5 and located on the side face of the filter cylinder 17, in the embodiment, the piston sleeve 10 is distributed around the filter cylinder 17 in an annular array mode, the piston sleeve 10 is provided with a second flange 15 located on the cover plate 5, the second flange 15 is connected with the cover plate 5 through screws, and the structure is firm. The cleaning ring 19 is provided with a cantilever 14 extending to the lower part of the piston sleeve 10, the cantilever 14 is provided with a piston rod 13 extending to the piston sleeve 10, the piston 12 is arranged in the piston sleeve 10 and connected with the piston rod 13, after the air pressure in the bin 4 further rises to a certain degree, the piston 12 is driven to rise, the piston 12 drives the piston rod 13, the cantilever 14 and the cleaning ring 19 to rise, the cleaning of the building powder on the filter cartridge 17 is carried out, after the building powder on the filter cartridge 17 is cleaned, the air exhaust is recovered smoothly, the air pressure in the bin 4 descends, and the filter cartridge 17 is reset due to the gravity descending.
In this embodiment, a blocking plate 18 is arranged at the bottom of the filter cartridge 17, so as to prevent the bottom of the filter cartridge 17 from leaking air, and the outer diameter of the filter cartridge 17 is smaller than the diameter of the blocking plate 18, so that the cleaning ring 19 is limited, and the problem of falling off of the cleaning ring 19 is solved.
As shown in fig. 2, the cantilever 14 is provided with a weight 16, and the cantilever 14 is disposed to ensure that the piston 12 does not rise during normal operation.
Further, an exhaust pipe 11 is provided at the top of the pipe joint 8 to exhaust air. In this embodiment, the exhaust pipe 11 is connected with the air inlet of the roots blower 1, and the gas discharged from the pipe joint 8 returns to the roots blower 1, because a small part of building powder is inevitable in the exhaust, and the part of building powder returns to the roots blower 1 again for recycling, so that the dust problem is thoroughly avoided.
In conclusion, the anti-blocking pneumatic conveying device for the building powder, disclosed by the invention, realizes pneumatic conveying, exhaust filtering and anti-blocking cleaning of the building powder, has high automation degree of the anti-blocking cleaning, and ensures the stability of the pneumatic conveying of the building powder.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, or direct or indirect applications in other related fields, which are made by the contents of the present specification, are included in the scope of the present invention.

Claims (8)

1. The utility model provides a building powder prevents stifled pneumatic conveyor which characterized in that includes: the improved Roots blower comprises a Roots blower, an air locking feeder, an air injection pipe, a conveying pipe, a storage bin and an exhaust filtering anti-blocking component, wherein the air injection pipe is arranged at an air outlet of the Roots blower, the conveying pipe is arranged between the air injection pipe and the upper portion of the storage bin, the air locking feeder is arranged on the air injection pipe, a cover plate is arranged at the top of the storage bin, the exhaust filtering anti-blocking component comprises a pipe joint, a filter cylinder, a cleaning ring, a piston and a piston sleeve, the pipe joint is arranged on the cover plate and extends downwards into the storage bin, the filter cylinder is arranged at the bottom of the pipe joint, the cleaning ring is sleeved on the filter cylinder, the piston sleeve is vertically arranged on the cover plate and is positioned on the side face of the filter cylinder, a cantilever extending to the lower portion of the piston sleeve is arranged on the cleaning ring, a piston rod extending into.
2. The building powder anti-blocking pneumatic conveying device according to claim 1, wherein a hopper is arranged on the air-lock feeder.
3. The pneumatic conveying device for building powder blockage prevention according to claim 1, wherein a first flange is arranged on the pipe joint and is connected with the cover plate through screws.
4. The pneumatic conveying device for building powder blockage prevention according to claim 1, wherein a blocking plate is arranged at the bottom of the filter cylinder, and the diameter of the outer circle of the filter cylinder is smaller than that of the blocking plate.
5. The pneumatic conveying device for building powder blockage prevention according to claim 1, wherein a balancing weight is arranged on the cantilever.
6. The pneumatic conveying device for building powder blockage prevention according to claim 1, wherein an exhaust pipe is arranged at the top of the pipe joint.
7. The pneumatic conveying device for building powder blockage prevention according to claim 6, wherein the exhaust pipe is connected with an air inlet of a Roots blower.
8. The building powder anti-blocking pneumatic conveying device according to claim 1, wherein the piston sleeves are distributed around the filter cartridge in an annular array, and the piston sleeves are provided with second flanges on the cover plates.
CN202110420112.2A 2021-04-19 2021-04-19 Building powder anti-blocking pneumatic conveying device Pending CN113120621A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110420112.2A CN113120621A (en) 2021-04-19 2021-04-19 Building powder anti-blocking pneumatic conveying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110420112.2A CN113120621A (en) 2021-04-19 2021-04-19 Building powder anti-blocking pneumatic conveying device

Publications (1)

Publication Number Publication Date
CN113120621A true CN113120621A (en) 2021-07-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110420112.2A Pending CN113120621A (en) 2021-04-19 2021-04-19 Building powder anti-blocking pneumatic conveying device

Country Status (1)

Country Link
CN (1) CN113120621A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114229480A (en) * 2021-12-28 2022-03-25 安徽艾普克斯智能科技有限公司 Cement material conveying bin pump

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4887936A (en) * 1987-08-12 1989-12-19 Christianson Systems, Inc. Cyclone separator with accelerator plate for pneumatic conveyor
CN101511712A (en) * 2006-08-31 2009-08-19 克劳迪亚斯·彼得斯技术有限责任公司 Conveyor device for powder materials
CN105752689A (en) * 2014-12-18 2016-07-13 重庆市华旭能源科技有限公司 Powdery material conveying device
CN207671055U (en) * 2017-12-05 2018-07-31 郑州中泰安科粉体科技有限公司 A kind of powder explosion-proof relief valve for removing powder
CN207814575U (en) * 2017-12-05 2018-09-04 郑州中泰安科粉体科技有限公司 A kind of powder explosion-proof relief valve
CN209618365U (en) * 2019-03-05 2019-11-12 福建净峰环保有限公司 A kind of metallurgy dedusting anti-clogging Pneumatic conveyer
CN211945345U (en) * 2020-03-31 2020-11-17 山东金天成塑料制品有限公司 Powder conveyor of preparation PVC panel
CN212580970U (en) * 2020-05-26 2021-02-23 郑州贝克曼胶体有限公司 Vacuum feeding machine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4887936A (en) * 1987-08-12 1989-12-19 Christianson Systems, Inc. Cyclone separator with accelerator plate for pneumatic conveyor
CN101511712A (en) * 2006-08-31 2009-08-19 克劳迪亚斯·彼得斯技术有限责任公司 Conveyor device for powder materials
CN105752689A (en) * 2014-12-18 2016-07-13 重庆市华旭能源科技有限公司 Powdery material conveying device
CN207671055U (en) * 2017-12-05 2018-07-31 郑州中泰安科粉体科技有限公司 A kind of powder explosion-proof relief valve for removing powder
CN207814575U (en) * 2017-12-05 2018-09-04 郑州中泰安科粉体科技有限公司 A kind of powder explosion-proof relief valve
CN209618365U (en) * 2019-03-05 2019-11-12 福建净峰环保有限公司 A kind of metallurgy dedusting anti-clogging Pneumatic conveyer
CN211945345U (en) * 2020-03-31 2020-11-17 山东金天成塑料制品有限公司 Powder conveyor of preparation PVC panel
CN212580970U (en) * 2020-05-26 2021-02-23 郑州贝克曼胶体有限公司 Vacuum feeding machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114229480A (en) * 2021-12-28 2022-03-25 安徽艾普克斯智能科技有限公司 Cement material conveying bin pump
CN114229480B (en) * 2021-12-28 2022-07-08 安徽艾普克斯智能科技有限公司 Cement material conveying bin pump

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Application publication date: 20210716

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