CN205998691U - A kind of ton bag powder automatic discharge unit - Google Patents
A kind of ton bag powder automatic discharge unit Download PDFInfo
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- CN205998691U CN205998691U CN201620994396.0U CN201620994396U CN205998691U CN 205998691 U CN205998691 U CN 205998691U CN 201620994396 U CN201620994396 U CN 201620994396U CN 205998691 U CN205998691 U CN 205998691U
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- 239000000843 powder Substances 0.000 title claims abstract description 46
- 238000007599 discharging Methods 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims description 58
- 241000252254 Catostomidae Species 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 11
- 238000004806 packaging method and process Methods 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000005868 electrolysis reaction Methods 0.000 abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- Air Transport Of Granular Materials (AREA)
Abstract
A kind of ton bag powder automatic discharge unit, belongs to technical field of powder engineering.Ton bag powder automatic discharge unit includes preparatory unit, receiving unit, suction unit, discharge unit and control unit；The rotating holding arm mechanism of preparatory unit is corresponding with the revolving hopper of receiving unit, and the revolving hopper of receiving unit is corresponding with the suction nozzle of suction unit, and the suction nozzle in suction unit passes through pipeline and valve is connected with the unloader in discharge unit；The suction nozzle of suction unit connects air, and the vacuum pump of discharge unit passes through pipeline and air communication；Control unit is all connected with other units.This apparatus and method solves a ton bag powder discharging problem, especially for be ton bag aluminium oxide in electrolysis plant discharge process, dust escapes, seriously polluted, and productivity are low, the problems such as packaging bag not reproducible utilization, improves Business Economic Benefit.
Description
Technical Field
The utility model belongs to the technical field of powder engineering, in particular to ton bag powder automatic discharge device.
Background
With the implementation of the major development strategy in the western region of China, the electrolytic aluminum capacity with high energy consumption in the middle east region is transferred to the western region at a glance, and according to statistics, in 2015, the electrolytic aluminum yield in two regions of Xinjiang and inner Mongolia is 846.1 ten thousand tons, about 1690 million tons of metallurgical-grade aluminum oxide is needed, and the vast majority of electrolytic aluminum is transported to the regions in a ton packaging mode.
The existing method for packing alumina by ton to electrolytic aluminum manufacturers in the areas is to cut the packing bag and pour the alumina into a hopper to be transported to an electrolytic workshop, and the unloading mode is covered by industry with a cap of 'wild operation', and has the defects that: a large amount of alumina dust escapes outwards, so that the pollution is serious, and the physical and psychological health of workers is seriously affected; the labor productivity is low, and each person can only unload about 10 bags per hour; the packaging bag can not be reused, thereby greatly reducing the economic benefit of enterprises.
The Chinese patent No. 201310351994.7 'automatic bagged powder discharging device' relates to an automatic ton-bag powder discharging device, and the 'telescopic umbrella opening type material sucking mechanism' of the device is unreasonable, and a bag-opening telescopic umbrella cannot be automatically closed or opened; about 300-400 kg of powder can not be sucked out of each bag, and the material sucking efficiency is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming ton bag powder automatic discharge device's not enough, providing a ton bag powder automatic discharge device, solving ton bag powder problem of unloading, especially to be ton bag aluminium oxide at the electrolysis factory in-process of unloading, the dust is escaped outward, pollutes seriously, and labor productivity is low, wrapping bag non-reuse scheduling problem improves enterprise economic benefits.
The utility model discloses an ton bag powder automatic discharge device, including following several units: the device comprises a preparation unit, a receiving unit, a material sucking unit, a discharging unit and a control unit;
the preparation unit mainly comprises a conveyor, a rotary arm-holding mechanism and a hydraulic station; one end of the conveyor is provided with a rotary arm-embracing mechanism, and the rotary arm-embracing mechanism is connected with the hydraulic station through a connecting piece;
the receiving unit mainly comprises a rotary hopper and a central fixed rotating mechanism, and the parts are connected through a connecting piece;
the material sucking unit mainly comprises a suction head, a telescopic sleeve, a supporting device, a bag mouth clamp and a push rod, wherein the suction head is connected with the telescopic sleeve in a sliding manner, the supporting device and the bag mouth clamp are simultaneously connected with the telescopic sleeve through a connecting piece, and the push rod is connected with the upper part of the telescopic sleeve through the connecting piece;
the discharging unit mainly comprises a discharging machine, an air locking discharger and a vacuum pump, and all the parts are communicated through pipelines;
the rotary arm-embracing mechanism of the preparation unit corresponds to the rotary hopper of the receiving unit, the rotary hopper of the receiving unit corresponds to the suction head of the material suction unit, and the suction head in the material suction unit is communicated with the unloader in the unloading unit through a pipeline and a valve; the suction head of the material suction unit is communicated with air, and the vacuum pump of the discharging unit is communicated with the air through a pipeline; the preparation unit, the receiving unit, the material sucking unit and the discharging unit are all connected with the control unit;
wherein,
the conveyor of the preparation unit is a rubber belt conveyor or a chain plate conveyor;
the rotation angle of a rotary arm-striking mechanism of the preparation unit is 0-180 degrees, the automatic telescopic distance of the arm-holding is-150 mm, the automatic lifting distance of the arm-holding is 0-1500 mm, and the oil pressure of the hydraulic station is 10-16 Mpa;
the rotary hoppers of the receiving unit are inverted circular truncated cones with open upper parts, the cone angles of the circular truncated cones are 40-60 degrees, the heights of the circular truncated cones are 500-750 mm, two rotary hoppers share one central fixed rotating mechanism, the two rotary hoppers form an included angle of 120 degrees, and each rotary hopper can radially move by 0-300 mm;
the material sucking unit is provided with two sucking heads, one sucking head is in a material sucking state, the other sucking head is in a preparation state, and the two sucking heads alternately suck materials; one side of the valve is communicated with the suction head through a pipeline, the other side of the valve is communicated with a discharger in the discharging unit, the suction head in a preparation state is closed, and the push rod is stopped;
the push rod of the material sucking unit is driven by a motor or hydraulically;
in the material sucking unit, a hydraulic station is arranged on a hydraulically driven push rod or shares the hydraulic station with the preparation unit, and the hydraulic station is communicated with the push rod through an oil pipeline;
the supporting diameter of the supporting device of the material sucking unit is 0.5-0.8 times of the diameter of the ton bag;
the push rod of the material suction unit is an electric push rod or a hydraulic push rod, and the stroke of the push rod is 0-1750 mm;
the upper part of the unloader of the unloading unit is cylindrical or cuboid, the lower part of the unloader is conical, the unloader is provided with two feed inlets, a discharge outlet and an air outlet, the two feed inlets are respectively communicated with two suckers, the discharge outlet is communicated with an air locking unloader, and the air outlet is communicated with a vacuum pump;
the vacuum pump of the discharging unit is a Roots vacuum pump or a water ring vacuum pump;
two suction heads in the suction unit are respectively communicated with two feed inlets of a unloader in the unloading unit through a pipeline and a valve;
the hydraulic station of the preparation unit and the hydraulic station of the material suction unit are the same hydraulic station or two hydraulic stations, and power is provided for the rotary arm reporting mechanism of the preparation unit and the equipment of the material suction unit.
The horizontal rotation of the rotary arm mechanism of the preparation unit can be powered by a hydraulic station or electric power, and the vertical lifting of the rotary arm mechanism can be powered by the hydraulic station.
The mass of the ton bag powder is 500-3000 kg per bag.
The control unit is connected with the preparation unit by adopting control software, controls a conveyor of the preparation unit, enables the conveyor to convey the ton bags to a working area of the rotary arm-holding mechanism, controls the rotary arm-holding mechanism to rotate and convey the ton bags, and controls the starting and the closing of a hydraulic station of the preparation unit;
the control unit is connected with the receiving unit by adopting control software and controls the rotating hopper of the receiving unit to rotate;
the control unit is connected with the material suction unit by adopting control software and controls the opening and closing of a suction head valve of the material suction unit and the pushing and stopping of the push rod;
the control unit is connected with the unloading unit by adopting control software, controls an unloader and an air-locking unloader of the unloading unit to unload materials, and controls the starting and closing of the vacuum pump.
The discharging method adopting the ton bag powder automatic discharging device comprises the following steps:
step 1, preparation
Placing the ton bags filled with the powder in a working area of a rotary arm-holding mechanism through a conveyor, starting a hydraulic station, then starting the rotary arm-holding mechanism, and sending the ton bags into a rotary hopper of a receiving unit by the rotary arm-holding mechanism;
step 2, receiving
Starting a rotating hopper of the receiving unit, and rotating the rotating hopper to a suction head in a material suction state of the material suction unit;
step 3, sucking materials
Opening a vacuum pump and an air-locking discharger in the discharging unit, opening a bag opening of a ton bag in a rotary hopper, pushing a telescopic sleeve by using a push rod, inserting a suction head into powder of the ton bag, automatically clamping the bag opening by using a bag opening clamp, opening a supporting device, opening a valve of the suction head in a material sucking state, and sucking materials;
step 4, unloading
The material sucked in by the suction head passesThe powder material and the air are separated in the unloader, the powder material is discharged from the air-locking unloader through the unloader, the air is purified by the unloader, and the dust concentration of the purified air is less than or equal to 10mg/Nm3And is discharged through a vacuum pump and enters the atmosphere.
In the step 1, the conveyor is discontinuously started;
after the material suction is finished, the packaging bag is left in the rotary hopper of the receiving unit and is taken out before the next time of receiving the alumina filled with the powder, so that the packaging bag can be recycled;
the powder material can be alumina, aluminum hydroxide, cement and the like, and the alumina is preferred.
The utility model has the advantages that:
1. greatly reducing the environmental pollution. The problem of dust escape of ton bag alumina in the unloading process of an electrolysis plant is solved;
2. the automation level is improved, and the labor intensity is reduced;
3. the problem of recycling the packaging bag is solved, the economic benefit of an enterprise is improved, and the production cost can be saved by 60 yuan per ton of electrolytic aluminum;
4. the conveyor is started intermittently, the ton bag is high in running speed, and can be accurately positioned, so that the rotary arm mechanism can tightly hold the ton bag;
5. the ton bags with inner films and ton bags without films can be completely sucked, and the unloading efficiency is high.
Drawings
FIG. 1 is a process flow diagram of a discharging method of an automatic discharging device for ton bag powder;
in FIG. 1, I-a preparation unit, II-a receiving unit, III-a material sucking unit and IV-a material discharging unit; a-ton bag containing powder, B-atmosphere, C-purified gas, D-powder and E-packaging bag.
FIG. 2 is a schematic view of an automatic powder discharging device for ton bags;
in FIG. 2, 1-conveyor, 2-rotating arm-holding mechanism, 3-hydraulic station, 4-rotating hopper, 5-central fixed rotating mechanism, 6-suction head, 7-telescopic tube, 8-supporting device, 9-bag mouth clamp, 10-push rod, 11-valve, 12-unloader, 13-air-locking unloader, 14-vacuum pump; a-ton bag containing powder, B-atmosphere, C-purified gas and D-powder.
Detailed Description
The present invention will be described in further detail with reference to examples.
In the following examples, each unit equipment is commercially available, and the main equipment specifications are as follows:
chain scraper conveyor: b1400 multiplied by 13000-15000 mm;
rotatory armful of arm mechanism: holding force: n is 50-120 kN, the stretching distance L is-150 mm, the rotation radius R is 1900-2200 mm, and the rotation angle alpha is 0-180 degrees;
rotating the hopper: phi 1300/phi 500 multiplied by 570mm, with the upper part open;
telescoping tube: phi 325/phi 219mm, and the material suction capacity Q is 40-60 bags/h;
a discharging machine: processed air quantity Q is 120m3H, the unloading capacity Q is 80 bags/h;
roots vacuum pump: air quantity Q is 102.9m3Min, pressure P ═ 49kPa or air quantity Q ═ 60m3Min, pressure P ═ 78.4 kPa;
the equipment forms an automatic discharge device for ton bag powder, 40-60 bags are discharged in one hour according to the weight of ton bag alumina being 1.5 t/bag, and the discharge capacity in one hour is 60-90 t; and (3) discharging 50-80 bags per hour according to the weight of the aluminum oxide in the ton bag being 1.0 t/bag, wherein the discharging capacity per hour is 50-80 t.
The process flow diagram of the discharging method of the automatic powder discharging device for ton bags in the following embodiment is shown in fig. 1.
The schematic diagram of the automatic powder discharging device for ton bags in the following embodiment is shown in fig. 2.
Example 1
The utility model provides an ton bag powder automatic discharge device, includes following several units: ton bag powder automatic discharge device includes following several units: the device comprises a preparation unit I, a receiving unit II, a material sucking unit III, a discharging unit IV and a control unit;
the preparation unit I mainly comprises a conveyor 1, a rotary arm-holding mechanism 2 and a hydraulic station 3; one end of the conveyor 1 is provided with a rotary arm-holding mechanism 2, and the rotary arm-holding mechanism 2 is connected with the hydraulic station 3 through a connecting piece;
the receiving unit II mainly comprises a rotary hopper 4 and a central fixed rotating mechanism 5, and the parts are connected through a connecting piece;
the material sucking unit III mainly comprises a suction head 6, a telescopic sleeve 7, a supporting device 8, a bag mouth clamp 9 and a push rod 10, wherein the suction head 6 is connected with the telescopic sleeve 7 in a sliding manner, the supporting device 8 and the bag mouth clamp 9 are simultaneously connected with the telescopic sleeve 7 through a connecting piece, and the push rod 10 is connected with the upper part of the telescopic sleeve 7 through a connecting piece;
the discharging unit IV mainly comprises a discharging machine 12, an air locking discharging machine 13 and a vacuum pump 14, and all the parts are communicated through pipelines;
the rotary arm-embracing mechanism of the preparation unit I corresponds to the rotary hopper of the receiving unit II, the rotary hopper of the receiving unit II corresponds to the suction head of the material suction unit III, and the suction head of the material suction unit III is communicated with the unloader of the unloading unit IV through a pipeline and a valve 11; the suction head of the material suction unit III is communicated with air, and the vacuum pump of the material discharge unit IV is communicated with the air through a pipeline; the preparation unit I, the receiving unit II, the material sucking unit III and the discharging unit IV are all connected with the control unit;
air passes through the material sucking unit III to the material discharging unit IV, is purified and then is discharged to the atmosphere B;
the discharging method adopting the ton bag powder automatic discharging device comprises the following steps:
step 1, preparation
Putting the ton bag A filled with the alumina on a chain plate conveyor 1 of B1400 multiplied by 13000 in a preparation unit I, starting a hydraulic 3 station, then starting a rotary arm-holding mechanism 2, and sending the ton bag A filled with the alumina into a rotary hopper 4 of a receiving unit II by the rotary arm-holding mechanism 2;
the chain plate conveyor can be used for placing 9 ton bags, the chain plate conveyor runs discontinuously, the running speed is 0.32m/s, and when no bag exists at a station of the rotary arm-holding mechanism, the chain plate conveyor is started to ensure that the station of the rotary arm-holding mechanism has a bag;
the clamping force of the rotary clamping arm mechanism is 100kN, the rotary radius R is 2000 +/-100 mm, the telescopic distance L is-100 mm, and the rotating angle alpha is 0-90 degrees;
step 2, receiving
Starting the rotary hopper 4 of the receiving unit II, and rotating the rotary hopper 4 to a suction head 6 of the material suction unit III in a material suction state;
step 3, sucking materials
Opening a vacuum pump 14 and an air-locking discharger 13 in the discharging unit IV, opening the bag mouth of a ton bag in the rotary hopper 4, pushing the telescopic sleeve 7 by using a push rod 10, inserting the suction head 6 into powder D of the ton bag, automatically clamping the bag mouth by using a bag mouth clamp 9, opening the supporting device 8, opening a valve of the suction head in a material sucking state, and sucking materials;
wherein, the push rod adopts double electric push rods at two sides, the valve adopts a DN200 pneumatic hemisphere valve, and the diameter of the suction head inner tube is DN 200;
after the material suction is finished, the packaging bag E is left in the rotary hopper and taken out before next receiving the alumina filled with the powder, so that the packaging bag E can be recycled;
step 4, unloading
The material sucked by the suction head 6 enters the unloading machine through the feed inlet of the unloading unit IV unloading machine, the powder D and the air are separated in the unloading machine, the powder D is discharged from the air locking unloading device 13 through the unloading machine 12, the air is purified by the unloading machine, and the dust concentration of the purified air C is less than or equal to 10mg/Nm3Is discharged by a vacuum pump and enters the atmosphere B;
wherein, the air volume of the vacuum pump is 102.9m3Min, pressure-49 kPa, specification of the airlock discharger DN 450.
The specification of the ton bag aluminum oxide is 1.5 t/bag through calculation, 40 bags are discharged in one hour by adopting the device, and the discharging capacity is 60 t/h.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: modifications can be made to the technical solutions described in the embodiments or equivalent substitutions can be made on some technical features; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides an ton bag powder automatic discharge device which characterized in that, includes following several units: the device comprises a preparation unit, a receiving unit, a material sucking unit, a discharging unit and a control unit;
the preparation unit mainly comprises a conveyor, a rotary arm-holding mechanism and a hydraulic station; one end of the conveyor is provided with a rotary arm-embracing mechanism, and the rotary arm-embracing mechanism is connected with the hydraulic station through a connecting piece;
the receiving unit mainly comprises a rotary hopper and a central fixed rotating mechanism, and the parts are connected through a connecting piece;
the material sucking unit mainly comprises a suction head, a telescopic sleeve, a supporting device, a bag mouth clamp and a push rod, wherein the suction head is connected with the telescopic sleeve in a sliding manner, the supporting device and the bag mouth clamp are simultaneously connected with the telescopic sleeve through a connecting piece, and the push rod is connected with the upper part of the telescopic sleeve through the connecting piece;
the discharging unit mainly comprises a discharging machine, an air locking discharger and a vacuum pump, and all the parts are communicated through pipelines;
the rotary arm-embracing mechanism of the preparation unit corresponds to the rotary hopper of the receiving unit, the rotary hopper of the receiving unit corresponds to the suction head of the material suction unit, and the suction head in the material suction unit is communicated with the unloader in the unloading unit through a pipeline and a valve; the suction head of the material suction unit is communicated with air, and the vacuum pump of the discharging unit is communicated with the air through a pipeline; the preparation unit, the receiving unit, the material sucking unit and the discharging unit are all connected with the control unit.
2. The automatic powder discharge device for ton bags according to claim 1, wherein the conveyor of the preparation unit is a belt conveyor or a chain scraper conveyor; the rotation angle of the rotary arm-striking mechanism of the preparation unit is 0-180 degrees, the automatic telescopic distance of the arm-holding arm is-150 mm, the automatic lifting distance of the arm-holding arm is 0-1500 mm, and the oil pressure of the hydraulic station is 10-16 Mpa.
3. The automatic powder discharging device for ton-bag according to claim 1, wherein the rotary hoppers of the receiving unit are of an inverted circular truncated cone with an open upper part, the cone angle of the circular truncated cone is 40-60 degrees, the height of the circular truncated cone is 500-750 mm, the rotary hoppers are two, a central fixed rotating mechanism is shared, the two rotating mechanisms form an included angle of 120 degrees, and each rotary hopper can radially move 0-300 mm.
4. The automatic ton bag powder discharging device according to claim 1, wherein the suction unit has two suction heads, one suction head is in a suction state, the other suction head is in a preparation state, and the two suction heads alternately suck materials; the valve is communicated with the suction head through one side of the pipeline, and the other side of the valve is communicated with a discharger in the discharging unit.
5. The automatic discharge device for ton bag powder of claim 1, wherein the push rod of the material suction unit is an electric push rod or a hydraulic push rod, and the stroke of the push rod is 0-1750 mm; in the material sucking unit, a hydraulic station is arranged on a hydraulically driven push rod or shares the hydraulic station with the preparation unit, and the hydraulic station is communicated with the push rod through an oil pipeline.
6. The automatic powder discharging device for ton bags according to claim 1, wherein the supporting diameter of the supporting device of the suction unit is 0.5-0.8 times of the diameter of the ton bag.
7. The automatic unloading device for ton bag powder of claim 1, wherein the unloading machine of the unloading unit has an upper cylindrical or rectangular parallelepiped shape and a lower conical shape, and is provided with two feeding ports, a discharging port and an air outlet, the two feeding ports are respectively communicated with two suckers, the discharging port is communicated with the air-lock unloader, and the air outlet is communicated with the vacuum pump; the vacuum pump of the discharging unit is a roots vacuum pump or a water ring vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620994396.0U CN205998691U (en) | 2016-08-31 | 2016-08-31 | A kind of ton bag powder automatic discharge unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620994396.0U CN205998691U (en) | 2016-08-31 | 2016-08-31 | A kind of ton bag powder automatic discharge unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205998691U true CN205998691U (en) | 2017-03-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620994396.0U Withdrawn - After Issue CN205998691U (en) | 2016-08-31 | 2016-08-31 | A kind of ton bag powder automatic discharge unit |
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| Country | Link |
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| CN (1) | CN205998691U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185362A (en) * | 2016-08-31 | 2016-12-07 | 沈阳鑫博工业技术股份有限公司 | A kind of ton bag powder automatic discharge unit and discharge method |
| CN108466847A (en) * | 2018-06-26 | 2018-08-31 | 石家庄绿色再生资源有限公司 | Discharge mechanism and discharge device with same |
-
2016
- 2016-08-31 CN CN201620994396.0U patent/CN205998691U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185362A (en) * | 2016-08-31 | 2016-12-07 | 沈阳鑫博工业技术股份有限公司 | A kind of ton bag powder automatic discharge unit and discharge method |
| CN108466847A (en) * | 2018-06-26 | 2018-08-31 | 石家庄绿色再生资源有限公司 | Discharge mechanism and discharge device with same |
| CN108466847B (en) * | 2018-06-26 | 2024-05-28 | 石家庄绿色再生资源有限公司 | Unloading mechanism and unloading device with same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170308 Effective date of abandoning: 20180417 |
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| AV01 | Patent right actively abandoned |