CN1343607A - Method and apparatus for pouring bulk material in bags at port - Google Patents
Method and apparatus for pouring bulk material in bags at port Download PDFInfo
- Publication number
- CN1343607A CN1343607A CN 01102140 CN01102140A CN1343607A CN 1343607 A CN1343607 A CN 1343607A CN 01102140 CN01102140 CN 01102140 CN 01102140 A CN01102140 A CN 01102140A CN 1343607 A CN1343607 A CN 1343607A
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Abstract
A method and apparatus for pouring bulk material in bags at port in disclosed. A material-collecting bin has 4 discharge hoppers, each having 2 funnels. Under the 2 funnels there are two electronic balances working alternatively. For small bags, single funnel is used to form 4 pouring lines and 4 convaying lines. For big bags, dual funnels are used to form 4 pouring lines and 2 convaying lines. It can increase productivity by 2-3 times.
Description
The invention belongs to bulk goods metering, packing method and device technique field, particularly a kind of harbour pouring bulk material bag method and apparatus.
Bag equipment is irritated at existing harbour, and there are the following problems:
1, the bag operation can not be directly irritated on the ship limit, and required accessory equipment is many, and operation field is little.
2, the weighing-appliance setting range is little, and a machine can not satisfy large and small packing simultaneously and irritate the bag operation.
3, storing magazine and weighing bucket bucket capacity are little, do not match with the port machine.
4, the inlet point of storing magazine does not have filtration, oscillatory system, irritates bag flow of goods speed slowly, feed opening easily takes place stop up.
5, filling bag operating line is few, generally has only two to irritate the bag operating lines, and it is low that operating efficiency is wrapped in filling.
6, no dry air processing equipment, can not irritate the bag operation winter.
Purpose of the present invention overcomes the prior art shortcoming exactly, provides a kind of and can the ship limit directly irritates the bag operation, is suitable for various materials and multiple packing specification requires movably harbour pouring bulk material bag method and apparatus.
Technical scheme of the present invention is: the sack filling machine integral structure adopts removable integral type tower structure.Adopt two fork truck shovel migration flowing modes.Integral structure divides three parts, top is the magazine layer that gathers materials, comprise enclosed hood, material receiving port, aggregate bin, material screening washer, the middle part is a control cabin, comprise electronic measuring scale and control housing thereof, air compressor and control housing thereof, dryer, electric control cabinet, the bottom is to irritate between the bag Job Operations, comprises discharging buffering bucket, sackholder, sack closer, material horizontal conveyer, service platform and execute-in-place control housing.Feature of the present invention is, said aggregate bin is square uncovered shape hopper, and its underpart is 4 blanking magazines, and each blanking magazine has 2 feed openings.4 blanking magazines are connected to 4 two scale formula all-electronin automatic quantitative packing weighers respectively.Every weigher has 2 electronic scaless, and every electronic scales comprises dibit arc bin gate, weighing bucket, LOAD CELLS, scale bucket bottom door.The weighing bucket of 2 electronic scaless of every weigher is connected to 2 feed openings of each blanking magazine respectively.Dibit arc bin gate is positioned at weighing bucket top, in order to the control feed, horizontally between dibit arc bin gate and feed opening is inserted with a L shaped flow regulating valve, in order to regulate mass flow.Connect a discharging buffering bucket altogether under the scale bucket bottom door of 2 electronic scaless of every weigher, the discharging opening of discharging buffering bucket connects sackholder, and the below of sackholder is seam bag, conveyer.On the headwall below each blanking magazine, be equipped with a level detector, be used for monitoring the extreme lower position of material.Side below each blanking magazine is equipped with a comminutor, in order to comminuting matter, control raw meal particle size.Be built-in with the material screening washer at each blanking magazine, be the metal double-edged fine-toothed comb of inverted V-shaped, cover on the feed opening top, flow into weighing bucket, cause discharging opening to stop up, measure misalignment in order to prevent caking or large granular materials.Comminutor comprises an axle drive shaft, and the axle two ends are respectively the left and right spiral loading heads that revolves, and they concentrate on the axle drive shaft middle part with material, by being contained in the supermedial pulverizing reamer of axle, large granular materials is rubbed.
Filling bag method provided by the present invention is divided into inner wrapping (25-100 kilogram/bag) operation and big packing (100 kilograms/more than the bag) operation, adopt the monobucket metering during inner wrapping operation, 2 electronic scales alternately operatings of each hopper, for a discharge bucket, a pipeful of title one packing, dispose a baby conveyor horizontal feed pocket under 4 discharging openings of sack filling machine respectively, form 4 and irritate bag operating line, 4 strip transmission lines.Adopt the multibuchet metering during big packaging operation, 2 electronic scaless operation simultaneously of each hopper, for a discharge bucket, packing when reaching quantitative after multibuchet is weighed, dispose a large-scale conveyor horizontal feed pocket under per 2 discharging openings altogether, 4 discharging opening operations simultaneously form 4 and irritate bag operating line, 2 strip transmission lines.
The present invention compares advantage with sack filling machine commonly used: the operating efficiency height, and comformability is strong, the multiple loose unpacked material of can unloading, its core component adopts the quantitative automatic packing scale of electronics, advanced technology, reliability height.Adopt the filling bag method of the present invention can 25-100 kilogram inner wrapping, but various weight flexible freight containers of can again, single-piece is irritated bag weight can reach 1500 kilograms/bag, can the operation simultaneously of four lines, operating efficiency be common bottle placer 2-3 doubly.Its storage bin capacity reaches 50 cubic meters, bucket capacity 0.15 cubic meter of weighing, and more than the ability of the weighing 120 kg, the maximum packing ability reaches 4000-4800 bag/hour (bag below 100 kilograms), 400 tons/hour (1000 kilograms of bags).The present invention promptly is fit to door machine grab bucket operation, is fit to ship unloaders again and directly irritates the bag operation.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a feed part-structure scheme drawing of the present invention.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is that feed opening of the present invention is arranged scheme drawing.
Fig. 5 arranges scheme drawing for the present invention's inner wrapping operating line below 100 kilograms.
Fig. 6 arranges scheme drawing for the above big packaging line of 25-100 kilogram of the present invention.
Wherein: the 1-enclosed hood; The 2-material receiving port; 3-material screening washer; The 4-aggregate bin; The 5-control cabin; The 6-electronic measuring scale; 7-irritates between the bag Job Operations; 8-discharging buffering bucket; 9-blanking magazine; 10-feed opening: 11-weighing bucket; The 12-comminutor; The 13-discharging opening; The 14-sackholder; The 15-flow regulating valve; 16-material screening washer support; The 17-level detector; 18-sack filling machine framework; 19-material horizontal conveyer; The 20-service platform; 21-sack closer and electric control cabinet; The 22-apron conveyor; 23-comminutor axle drive shaft; 24-spiral loading head; The 25-comminutor is pulverized reamer; 26-comminutor drive motor.
Provide embodiments of the invention below in conjunction with accompanying drawing.
As shown in Figure 1, sack filling machine integral structure of the present invention adopts removable integral type tower structure.Adopt two fork truck shovel migration flowing modes.Integral structure divides three parts, top is the magazine layer that gathers materials, comprise enclosed hood 1, material receiving port 2, material screening washer 3, aggregate bin 4, the middle part is a control cabin 5, comprise electronic measuring scale 6 and control housing thereof, air compressor and control housing thereof, dryer, electric control cabinet, the bottom is to irritate between the bag Job Operations 7, comprises discharging buffering bucket 8, sackholder 14, sack closer 21, material horizontal conveyer 19, service platform 20 and execute-in-place control housing.As shown in Figure 4, feature of the present invention is, said aggregate bin 4 is square uncovered shape hopper, and its underpart is 4 blanking magazines 9, and each blanking magazine has 2 feed openings 10.Shown in Fig. 2-3,4 blanking magazines 9 are connected to 4 two scale formula all-electronin automatic quantitative packing weighers 6 respectively.Every weigher has 2 electronic scaless, and every electronic scales comprises dibit arc bin gate, weighing bucket 11, LOAD CELLS, scale bucket bottom door.The weighing bucket 11 of 2 electronic scaless of every weigher 6 is connected to 2 feed openings 10 of each blanking magazine 9 respectively.Dibit arc bin gate is positioned at weighing bucket top, in order to the control feed, horizontally between dibit arc bin gate and feed opening 10 is inserted with a L shaped plate formula flow regulating valve 15, in order to the adjusting mass flow.As shown in Figure 1, connect a discharging buffering bucket 8 altogether under the scale bucket bottom door of 2 electronic scaless of every weigher, the discharging opening 13 of discharging buffering bucket 8 connects sackholder, and the below of sackholder is seam bag, conveyer 19.Shown in Fig. 2-3, on the headwall below each blanking magazine 9, be equipped with level detector 17, be used for monitoring the extreme lower position of material.Be built-in with material screening washer 3 at each blanking magazine 9, be the metal double-edged fine-toothed comb of inverted V-shaped, cover on the top of feed opening 10, flow into weighing bucket, cause discharging opening to stop up, measure misalignment in order to prevent caking or large granular materials.In two outsides of a side, material screening washer 3 below each blanking magazine 9, above the feed opening 10 comminutor 12 is housed respectively, caking under being screened by material screening washer 3 in order to pulverizing or large granular materials, control raw meal particle size.Comminutor 12 comprises an axle drive shaft 23, and axle two ends are respectively the left and right spiral loading heads 24 that revolves, and they concentrate on the middle part of axle drive shaft 23 with material, by being contained in the supermedial pulverizing reamer 25 of axle, large granular materials is cut with scissors broken.
Filling bag method provided by the present invention is divided into inner wrapping (establishing 25-100 kilogram/bag) operation and big packing (establish 100 kilograms/more than the bag) operation, adopt the monobucket metering during inner wrapping operation, 2 electronic scales alternately operatings of each hopper, for a discharge bucket, a pipeful of title one packing disposes a baby conveyor 19 horizontal feed pockets respectively under 4 discharging openings of sack filling machine, form 4 and irritate the bag operating line, 4 strip transmission lines, as shown in Figure 5.Adopt the multibuchet metering during big packaging operation, 2 electronic scaless operation simultaneously of each hopper, for a discharge bucket, bagging and packaging when reaching predetermined dose after multibuchet is weighed, large-scale apron conveyor 22 horizontal feed pockets of the common down configuration of per 2 discharging openings, 4 discharging opening operations simultaneously form 4 and irritate the bag operating line, 2 strip transmission lines, as shown in Figure 6.
Its system of filling bag method provided by the present invention provides automatic operating function, select WDN-100AD full-automatic electronic packing scale for use, control by programmable controller (PLC), measures range is the 25-100 kilogram, package weight can be adjusted arbitrarily in measures range, if package weight is an inner wrapping between the 25-100 kilogram, more than 100 kilograms is big packing.Sack filling machine can adapt to the ship unloaders ship-discharging operation of wharf apron and the goods can operation in operation of machine crab bucket ship unloading and the warehouse respectively.Its work flow also is divided into pouch-packaged operation and sack packaging operation.
1. pouch-packaged work flow:
Material through the screening of material screening washer, by a manual throttle valve buffering that can change depth of penetration, flows out feed opening from the magazine that gathers materials.Weighing terminal sends signal, and electronic scales arc bin gate is all opened, and material flows into an electronic scale weighing bucket fast under the effect of gravity, is called for short slightly reinforced.By material screening washer screening down caking materials or large granular materials by the comminutor hinge broken after, from feed opening through flow regulating valve, arc bin gate inflow electronic scale weighing bucket.
The LOAD CELLS that is positioned at the weighing bucket upper surface changes into electric signal with the weight of material of weighing bucket, sends into terminal.When material reached a certain predetermined value, terminal was sent charging signal at a slow speed, and dibit arc bin gate turns down, and material flows into weighing bucket with less flow velocity (amount), was called for short carefully reinforced.When reaching preset weight, terminal is sent and is stopped reinforced signal, and dibit arc bin gate is closed, and stops to feed in raw material.Another electronic scales begins to feed in raw material.
Bag clamping device is inserted in packaging bag, touch switch, scale bucket bottom door is opened automatically, and material flows into packaging bag through the buffering bucket discharging opening.After material flows out weighing bucket fully, scale bucket bottom door SELF CL, and beginning is weighed next time.After treating that material all falls into packaging bag, sackholder unclamps automatically, and pocket is fallen on the baby conveyor.Another electronic scales begins discharging and irritates bag.
When the packaging bag on falling conveyer moves through sack closer, undertaken transporting behind the automatic sewing, finish the whole process of bag of irritating by sack closer.
After the end of at every turn weighing, whether terminal all can need to carry out from dynamic head compensation (AFC) according to the preset program decision, and before the beginning of at every turn weighing, whether terminal also can need automatic clear (AZ) according to the preset program decision.
Sack packaging can work flow:
Material through the screening of material screening washer, by a manual throttle valve buffering that can change depth of penetration, flows out feed opening from the magazine that gathers materials.Weighing terminal sends signal, and electronic scales arc bin gate is all opened, and material flows into the electronic scale weighing bucket fast under the effect of gravity, is called for short slightly reinforced.By material screening washer screening down caking materials or large granular materials by the comminutor hinge broken after, from feed opening through flow regulating valve, arc bin gate inflow electronic scale weighing bucket.
The LOAD CELLS that is positioned at the weighing bucket upper surface changes into electric signal with the weight of material of weighing bucket, sends into terminal.When material reached a certain predetermined value, terminal was sent charging signal at a slow speed, and dibit arc bin gate turns down, and material flows into weighing bucket with less flow velocity (amount), was called for short carefully reinforced.When reaching preset weight, terminal is sent and is stopped reinforced signal, and dibit arc bin gate is closed, and stops to feed in raw material.Another electronic scales begins to feed in raw material.
Bag clamping device is inserted in packaging bag, touch switch, scale bucket bottom door is opened automatically, and material flows into packaging bag through the buffering bucket discharging opening.After material flows out weighing bucket fully, scale bucket bottom door SELF CL, and beginning is weighed next time.Another electronic scales scale bucket bottom door is opened discharging simultaneously.Weigh when finishing N time of setting, reach predetermined dose after, sackholder unclamps automatically, pocket is fallen on the large-scale conveyor and is transported.
Claims (5)
1, a kind of harbour pouring bulk material bag equipment, comprise enclosed hood (1), material receiving port (2), material screening washer (3), aggregate bin (4), electronic measuring scale (6) and control housing thereof, air compressor and control housing thereof, dryer, electric control cabinet, discharging buffering bucket (8), sackholder (14), closer (21), material horizontal conveyer (19), service platform (20) and execute-in-place control housing, it is characterized in that, said aggregate bin (4) is square uncovered shape hopper, its underpart is 4 blanking magazines (9), each blanking magazine has 2 feed openings (10), 4 blanking magazines (9) are connected to 4 two scale formula all-electronin automatic quantitative packing weighers (6) that contain 2 electronic scaless respectively, every electronic scales comprises dibit arc bin gate, weighing bucket (11), LOAD CELLS, scale bucket bottom door, the weighing bucket (11) of 2 electronic scaless of every weigher (6) is connected to 2 feed openings (10) of each blanking magazine (9) respectively, connect a discharging buffering bucket (8) altogether under the scale bucket bottom door of 2 electronic scaless of every weigher, the discharging opening (13) of discharging buffering bucket (8) connects sackholder, and the below of sackholder is the seam bag, conveyer (19).
2, harbour according to claim 1 pouring bulk material bag equipment, it is characterized in that, be built-in with material screening washer (3) at each blanking magazine (9), metal double-edged fine-toothed comb for inverted V-shaped, cover on the top of feed opening (10), a comminutor (12) is equipped with in two outsides of a side, material screening washer (3) respectively above each blanking magazine (9) below, feed opening (10).
3, harbour according to claim 2 pouring bulk material bag equipment is characterized in that said comminutor (12) comprises an axle drive shaft (23), and axle two ends are respectively the left and right spiral loading heads (24) that revolves, and the axle middle part is to pulverize reamer (25).
4, according to the described harbour of arbitrary claim pouring bulk material bag equipment among the claim 1-3, it is characterized in that, be positioned at the horizontal L shaped plate formula flow regulating valve (15) that is inserted with between dibit arc bin gate above the weighing bucket and the feed opening (10).
5, a kind of harbour pouring bulk material bag method of using the described harbour of arbitrary claim pouring bulk material bag equipment among the aforesaid right requirement 1-4, it is characterized in that, adopt the monobucket metering during inner wrapping operation, 2 electronic scales alternately operatings of each hopper, for a discharge bucket, a pipeful of title one packing, dispose a baby conveyor (19) respectively under 4 discharging openings of sack filling machine, form 4 and irritate the bag operating line, adopt multibuchet metering, 2 electronic scaless operations simultaneously of each hopper when 4 strip transmission lines, big package handling, for a discharge bucket, the common down configuration large-scale apron conveyor (22) of bagging and packaging when reaching predetermined dose after multibuchet is weighed, per 2 discharging openings, 4 discharging opening operations simultaneously, form 4 and irritate bag operating line, 2 strip transmission lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01102140 CN1116197C (en) | 2001-01-22 | 2001-01-22 | Method and apparatus for pouring bulk material in bags at port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01102140 CN1116197C (en) | 2001-01-22 | 2001-01-22 | Method and apparatus for pouring bulk material in bags at port |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1343607A true CN1343607A (en) | 2002-04-10 |
| CN1116197C CN1116197C (en) | 2003-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01102140 Expired - Fee Related CN1116197C (en) | 2001-01-22 | 2001-01-22 | Method and apparatus for pouring bulk material in bags at port |
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| Country | Link |
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| CN (1) | CN1116197C (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100577539C (en) * | 2005-06-09 | 2010-01-06 | 天地科技股份有限公司 | Quick and automatic entrucking method of multiple fixed volume bunker, quick and automatic entrucking station for double fixed volume bunkers |
| CN101686773B (en) * | 2007-06-28 | 2012-01-18 | 雀巢产品技术援助有限公司 | Container for storing and unloading bulk material |
| CN102700730A (en) * | 2012-05-18 | 2012-10-03 | 成都海科机械设备制造有限公司 | Full-automatic double-end metering, filling and vacuumizing production line |
| CN101848838B (en) * | 2007-09-24 | 2013-03-13 | Ima生命有限公司 | Apparatus and method for weighing containers |
| CN103434663A (en) * | 2013-09-06 | 2013-12-11 | 秦皇岛普达电子有限公司 | Double-bucket self-flowing ton packaging machine |
| CN103575113A (en) * | 2013-10-26 | 2014-02-12 | 芜湖新兴铸管有限责任公司 | Silicon iron charging facility in cast iron pipe production |
| CN103662465A (en) * | 2013-02-06 | 2014-03-26 | 柴华 | Rice-bran collecting device |
| CN104875909A (en) * | 2015-04-07 | 2015-09-02 | 安徽江南化工股份有限公司 | Powdery emulsion explosive packaging device |
| CN105883020A (en) * | 2016-06-03 | 2016-08-24 | 合肥原印农业科技有限公司 | Double-hole cereal metering sack filling machine |
| CN106275658A (en) * | 2016-08-19 | 2017-01-04 | 滨州学院 | A kind of ecommerce is with automatically packing shipment device |
| CN106494913A (en) * | 2016-11-23 | 2017-03-15 | 天津港第港埠有限公司 | Less than 50 kilograms bagged chemical fertilizer scarfing shipment methods |
| CN107352058A (en) * | 2017-07-01 | 2017-11-17 | 苏州诚亭自动化设备有限公司 | A kind of cement weighing-packaging machine |
| CN108640070A (en) * | 2018-07-13 | 2018-10-12 | 广州市大司农企业管理顾问有限公司 | A kind of cosmetic package equipment with classification feature |
| CN109878840A (en) * | 2018-12-17 | 2019-06-14 | 西安航天化学动力有限公司 | It is a kind of for dispensing the device and method for filling of inflammable and explosive powder |
| EP3536622A1 (en) | 2018-03-06 | 2019-09-11 | Siark-Port Sp. z o.o. | Device for unitisation of bulk materials |
| CN110386269A (en) * | 2019-07-11 | 2019-10-29 | 南通福通机床有限公司 | One kind is for dry granular powdery material intelligent distributor |
| CN110422650A (en) * | 2019-09-27 | 2019-11-08 | 王静波 | The two-way continuous ship loader of planer-type |
| CN110451037A (en) * | 2019-08-20 | 2019-11-15 | 安徽宜康食品有限公司 | A kind of fresh squeezing drink semi-finished product vacuum packaging equipment of washing |
| CN114414012A (en) * | 2021-12-09 | 2022-04-29 | 中国建材国际工程集团有限公司 | Bulk material conveying and static metering system |
-
2001
- 2001-01-22 CN CN 01102140 patent/CN1116197C/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100577539C (en) * | 2005-06-09 | 2010-01-06 | 天地科技股份有限公司 | Quick and automatic entrucking method of multiple fixed volume bunker, quick and automatic entrucking station for double fixed volume bunkers |
| CN101686773B (en) * | 2007-06-28 | 2012-01-18 | 雀巢产品技术援助有限公司 | Container for storing and unloading bulk material |
| CN101848838B (en) * | 2007-09-24 | 2013-03-13 | Ima生命有限公司 | Apparatus and method for weighing containers |
| CN102700730A (en) * | 2012-05-18 | 2012-10-03 | 成都海科机械设备制造有限公司 | Full-automatic double-end metering, filling and vacuumizing production line |
| CN103662465A (en) * | 2013-02-06 | 2014-03-26 | 柴华 | Rice-bran collecting device |
| CN103434663A (en) * | 2013-09-06 | 2013-12-11 | 秦皇岛普达电子有限公司 | Double-bucket self-flowing ton packaging machine |
| CN103575113A (en) * | 2013-10-26 | 2014-02-12 | 芜湖新兴铸管有限责任公司 | Silicon iron charging facility in cast iron pipe production |
| CN104875909A (en) * | 2015-04-07 | 2015-09-02 | 安徽江南化工股份有限公司 | Powdery emulsion explosive packaging device |
| CN105883020A (en) * | 2016-06-03 | 2016-08-24 | 合肥原印农业科技有限公司 | Double-hole cereal metering sack filling machine |
| CN106275658B (en) * | 2016-08-19 | 2018-08-10 | 滨州学院 | A kind of e-commerce with packing shipment device automatically |
| CN106275658A (en) * | 2016-08-19 | 2017-01-04 | 滨州学院 | A kind of ecommerce is with automatically packing shipment device |
| CN106494913A (en) * | 2016-11-23 | 2017-03-15 | 天津港第港埠有限公司 | Less than 50 kilograms bagged chemical fertilizer scarfing shipment methods |
| CN106494913B (en) * | 2016-11-23 | 2018-08-28 | 天津港第一港埠有限公司 | 50 kilograms or less bagged chemical fertilizer scarfing shipment methods |
| CN107352058A (en) * | 2017-07-01 | 2017-11-17 | 苏州诚亭自动化设备有限公司 | A kind of cement weighing-packaging machine |
| EP3536622A1 (en) | 2018-03-06 | 2019-09-11 | Siark-Port Sp. z o.o. | Device for unitisation of bulk materials |
| CN108640070A (en) * | 2018-07-13 | 2018-10-12 | 广州市大司农企业管理顾问有限公司 | A kind of cosmetic package equipment with classification feature |
| CN108640070B (en) * | 2018-07-13 | 2020-08-07 | 上海坤延智能科技股份有限公司 | Cosmetic packaging equipment with classification function |
| CN109878840A (en) * | 2018-12-17 | 2019-06-14 | 西安航天化学动力有限公司 | It is a kind of for dispensing the device and method for filling of inflammable and explosive powder |
| CN110386269A (en) * | 2019-07-11 | 2019-10-29 | 南通福通机床有限公司 | One kind is for dry granular powdery material intelligent distributor |
| CN110451037A (en) * | 2019-08-20 | 2019-11-15 | 安徽宜康食品有限公司 | A kind of fresh squeezing drink semi-finished product vacuum packaging equipment of washing |
| CN110422650A (en) * | 2019-09-27 | 2019-11-08 | 王静波 | The two-way continuous ship loader of planer-type |
| CN114414012A (en) * | 2021-12-09 | 2022-04-29 | 中国建材国际工程集团有限公司 | Bulk material conveying and static metering system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1116197C (en) | 2003-07-30 |
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Granted publication date: 20030730 Termination date: 20190122 |