CN101838895B - Liquid circulation processing device and method for bast fibers - Google Patents
Liquid circulation processing device and method for bast fibers Download PDFInfo
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- CN101838895B CN101838895B CN2010101000104A CN201010100010A CN101838895B CN 101838895 B CN101838895 B CN 101838895B CN 2010101000104 A CN2010101000104 A CN 2010101000104A CN 201010100010 A CN201010100010 A CN 201010100010A CN 101838895 B CN101838895 B CN 101838895B
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Abstract
The invention relates to a liquid circulation processing device and a liquid circulation processing method for bast fibers. The method comprises the following steps of: 1) hanging the bast fibers or yarns in bunches on an extension bar of a yarn hanging device in parallel; 2) serially connecting a plurality of yarn hanging devices, and putting the yarn hanging devices in a main vat; 3) adding chemical agents into the main vat through an auxiliary vat, and opening a main pump and a heat exchange device; and 4) after treatment fluid is pumped into a hollow column of each yarn hanging device, spraying the treatment fluid on the bast fibers or yarns through holes on each extension bar and spraying holes on each extension bar. The device used by the liquid circulation processing method for the bast fibers and yarns is characterized by comprising a barrel-shaped main vat; the yarn hanging devices are arranged inside the main vat; the main pump is arranged outside the main vat; a water inlet of the main pump is connected with a water outlet of the main vat; a water outlet of the main pump is connected with the heat exchange device; a water outlet of the heat exchange device is connected with a water inlet of each yarn hanging device inside the main vat; and the auxiliary vat is arranged outside the main vat. The liquid circulation processing device and the liquid circulation processing method for the bast fibers can be widely applied to degumming, washing, bleaching and dyeing the bast fibers, scouring, dyeing, bleaching and washing the yarns, and other processes.
Description
Technical field
The present invention relates to a kind of bast fiber processing unit (plant) and method, particularly about a kind of bast fiber liquid circulation processing device and method.
Background technology
Traditional ramie bast fiber come unstuck, wash, soft, bleaching or dyeing etc. add man-hour, often need bast fiber is incorporated with in the cylinder body of treatment fluid to handle.The load mode in cylinder body about bast fiber mainly contains following two kinds: a kind of is that a quill shaft is set, and is covered with hole for water spraying on the quill shaft, and radial extension bar is set on the quill shaft, hangs on the extension bar again after bast fiber is carried out repeatedly folding; Another kind be with the bast fiber bulk storage in having the processing tube of central shaft, it is pressed even by presser device.
The problem that preceding a kind of mode exists is: 1, spray from inside to outside owing to current, need very big water pressure for water being sprayed the multilayer bast fiber, even like this, work in-process still occurs that current run through unfavorable, processing is thorough and supplies water problem such as inhomogeneous through regular meeting; If 2 are provided with water injector up, current carry out liquid circulation from top to bottom and flow, owing to have more hole between each layer bast fiber, tend to exist the liquid short circuit, and bast fiber is handled uneven problem; 3, this load mode makes bast fiber become very in disorder after through processing, influences following process, and fiber simultaneously at random stops up the formation such as screen pack of Yarn hanging device and cylinder base, is difficult to cleaning, causes circulation not smooth, directly influences production efficiency.
The problem that a kind of mode in back exists is: 1, liquid circulation often has only the outwards inner or ecto-entad circulation from central siphon, and is comparatively convenient although fiber is packed into, owing to exist liquid to penetrate uneven problem, can cause fiber process irregular; 2, because fibrolaminar the placement up and down exists density variation, therefore also can cause processing inhomogeneous; 3, this load mode also can make bast fiber in disorder, can't keep straight, and following process is brought a more difficult problem.
Summary of the invention
At the problems referred to above, the object of the present invention is to provide a kind of easy to loading and unloading, processing effect evenly, have the bast fiber liquid circulation processing device and a method of energy-saving and emission-reduction function.
For achieving the above object, the present invention takes following technical scheme: a kind of bast fiber liquid circulation processing device, it is characterized in that: it comprises tubbiness master cylinder with a lid, be provided with Yarn hanging device in the described master cylinder, described master cylinder outer setting has a main pump, the water inlet of described main pump connects the delivery port of described master cylinder, and the delivery port of described main pump connects a heat-exchanger rig, and the outside of described master cylinder connects a secondary cylinder for chemical assistant by a pipeline with valve; Described Yarn hanging device comprises a hollow posts, described hollow posts top seal, and be provided with a suspender, the left side of described hollow posts, right both sides are symmetrically arranged with the hollow beam that several layers is communicated with described hollow posts from top to bottom at interval, the outer end of the described hollow beam of each of each side links into an integrated entity by same support column, be arranged at intervals with some extension bars that are communicated with it on each described hollow beam, each described extension bar is provided with some eyelets, described hollow posts and support column bottom is connected with a creel chassis that is covered with mesh, the end of described hollow posts is provided with a pipeline connector, and described pipeline connector connects the delivery port of described heat-exchanger rig; Described two support columns are provided with each described extension bar encirclement urceolus wherein, and described urceolus is symmetrical in twos four creel baffle plates that are articulated on the two described support columns, is covered with apopore on the described creel baffle plate.
Yarn hanging device in the described master cylinder is a plurality of for the polyphone use, be positioned at the described hollow posts open top of each described Yarn hanging device of first described Yarn hanging device below, and be connected on the described pipeline connector of adjacent described hollow posts bottom, top, be provided with a lid between the adjacent described Yarn hanging device.
Bottom in the described master cylinder is provided with a filter that is covered with eyelet, and described master cylinder bottom is provided with a removal waste fluid mouth with valve, and a water filling port with valve is set on the sidewall of described master cylinder.
Described support column is a telescoping shoring post, and described telescoping shoring post comprises by interior pipe and the outer tube that is threaded, the fixedly connected described hollow beam in described interior pipe top, and the support and connection rotationally of described outer tube are on described creel chassis.
A kind of bast fiber liquid circulation processing method that adopts said apparatus, it may further comprise the steps: 1) hang over side by side on the top extension bar of Yarn hanging device on a branch of ground with bast fiber of Yarn hanging device, and make the bast fiber that hangs down be positioned at the both sides of each corresponding extension bar of below, then on the locking Yarn hanging device around the urceolus of each extension bar; 2) be placed in the master cylinder with the suspender of boom hoisting by the Yarn hanging device top, and the pipeline connector of Yarn hanging device hollow posts end is connected the delivery port of heat-exchanger rig, the water inlet of heat-exchanger rig is connected the delivery port of main pump, the water inlet of main pump is connected the delivery port of master cylinder; 3) opening the lid that is arranged on the master cylinder top or the water filling port water filling in master cylinder from the sidewall, open the valve of master cylinder auxiliary connection cylinder, add chemical assistant in master cylinder, open main pump and heat-exchanger rig, when treatment fluid circulates, is the treatment fluid heating; 4) after main pump pumps into the hollow posts of Yarn hanging device with treatment fluid, treatment fluid enters each hollow beam and is connected each extension bar on the hollow beam, and from the eyelet of each extension bar, be ejected on the bast fiber, the mesh that sees through on the creel chassis along the treatment fluid that bast fiber flows down falls in the inflow master cylinder, partially liq flows in the master cylinder in the creel baffle holes from the side, after the filter that is provided with through the master cylinder foot filters, the main pump that fails to be convened for lack of a quorum of the delivery port by master cylinder.
The Yarn hanging device that is arranged in the described master cylinder is be connected in series a plurality of, the hollow posts top seal of first Yarn hanging device of top, the hollow posts open top of each Yarn hanging device of below, and connect the end of the adjacent Yarn hanging device hollow posts in top, the end of the Yarn hanging device hollow posts of bottommost connects described heat-exchanger rig in the described master cylinder.
Described chemical assistant be used for coming unstuck, the liquid of kiering, dyeing, bleaching, softness, washing more than one.
The temperature of described treatment fluid is 20 ℃～180 ℃.
The present invention is owing to take above technical scheme, it has the following advantages: 1, the present invention is owing to be provided with a master cylinder, the outer setting of master cylinder has a main pump and a heater, treatment fluid in the master cylinder can circulate between master cylinder and main pump, fabrication cycles speed is fast, can effectively save the liquid consumption.2, give the treatment fluid heating of circulation by heater, guaranteed that the interior treatment fluid temperature maintenance of master cylinder is in the scope of setting.3, the present invention is owing to have a secondary cylinder in the master cylinder outer setting, and secondary cylinder can replenish chemical assistant for master cylinder, therefore, has guaranteed needed chemical assistant in the master cylinder.4, the present invention is owing to be outside equipped with a main pump at master cylinder, place Yarn hanging device in the master cylinder, the hollow posts both sides of Yarn hanging device are provided with the several layers hollow beam, on each hollow beam extension bar is set, extension bar is provided with some eyelets, when therefore starting main pump, treatment fluid can spray from the eyelet on each extension bar, bast fiber is advanced omnibearing spray processing, and processing result is very even thorough, has reduced chemical assistant consumption.5, liquid has made full use of liquid gravity participation circulation in the flow process from top to bottom among the present invention, so process has effectively been saved the energy.Device of the present invention can be realized spray and efficient circulation in the cylinder, the processing uniformity coefficient is far above traditional liquid cyclic process device, method of the present invention is simple to operate, compares with traditional Degumming method, and is easy to loading and unloading, processing evenly, applied widely, shortened process time greatly, and materials are few, energy-efficient, greatly reduce pollution to environment.The present invention can be widely used in the processes such as the coming unstuck of bast fiber, washing, bleaching and dyeing, and in the process such as kiering of yarn, dyeing, bleaching, softness, washing.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is a Yarn hanging device structural representation of the present invention
Fig. 3 is Fig. 2 schematic top plan view
Fig. 4 is a telescoping shoring post structural representation of the present invention
The specific embodiment
Nominal definition: what the present invention mentioned carries out liquid circulation processing to " bast fiber ", includes yarn is carried out liquid circulation processing.
As shown in Figure 1, the present invention includes tubbiness master cylinder 1 with a lid, in master cylinder 1, be provided with Yarn hanging device 2, have certain clearance between the circumferential edge of master cylinder 1 and Yarn hanging device 2.Outer setting at master cylinder 1 has a main pump 3, and the delivery port of main pump 3 connects a heat-exchanger rig 4, and the delivery port of heat-exchanger rig 4 connects the water inlet of Yarn hanging device 2 in the master cylinder 1, and the delivery port of master cylinder 1 connects the water inlet of main pump 3.Also be provided with a secondary cylinder 5 in the outside of master cylinder 1, the effect of secondary cylinder 5 is to replenish chemical assistant for master cylinder 1.
In the various embodiments described above, the eyelet of ground floor extension bar 9 generally is arranged on the first half of extension bar 9, promptly in a row is arranged on its top and both sides position on the upper side, so that the water that sprays from eyelet sprays to the bast fiber at extension bar top, to eliminate the processing dead angle.The eyelet of the extension bar 9 of the second layer and following each layer can only be arranged on both sides, and the top is not provided with.
As shown in Figure 3, in the various embodiments described above, the urceolus that whole Yarn hanging device 2 is surrounded wherein can be set on two support columns 8, urceolus can adopt the creel baffle plate 12 of four arcs, creel baffle plate 12 symmetry in twos is articulated on two support columns 8, make two creel baffle plates 12 of both sides form the two fan doors that to close and to lock, like this, when bast fiber after overworking on the extension bar 9, two pairs of creel baffle plates 12 can be closed, and, form the urceolus of an integral body by the locking of locking devices such as conventional latch or hook, be covered with apopore on the urceolus.
As shown in Figure 1, in the foregoing description, the bottom in the master cylinder 1 can be provided with a filter 13 that is covered with eyelet, and master cylinder 1 bottom can be provided with a removal waste fluid mouth 14 with valve, and Open valve, removal waste fluid mouth 14 can be used for the discharge with waste liquid in the master cylinder 1.One water filling port 15 with valve can be set on the sidewall of master cylinder 1, master cylinder 1 still can intake in master cylinder 1 by valve and water filling port under the situation of not opening top cover.One pipeline with valve 16 also is set on the sidewall of master cylinder 1, and with the liquid outlet of auxiliary connection cylinder 5, Open valve 16, secondary cylinder 5 just can replenish chemical assistant or other liquid in master cylinder 1.
In the foregoing description, in the liquid circulation process, can place a Yarn hanging device 2 in the master cylinder 1, also can contact and place a plurality of Yarn hanging devices 2, each Yarn hanging device 2 top all is provided with a suspender 17, moves Yarn hanging device 2 to make things convenient for lifting appliance.When placing a Yarn hanging device 2, hollow posts 6 tops of Yarn hanging device 2 are sealed, and the pipeline connector 11 of hollow posts 6 ends of Yarn hanging device 2 connects the water inlet of heat-exchanger rig 4 as the water inlet of Yarn hanging device 2.When polyphone is placed a plurality of Yarn hanging device 2, hollow posts 6 tops that are positioned at the Yarn hanging device 2 of first Yarn hanging device 2 belows are opened wide, so that connect the pipeline connector 11 of its top-hung yarn feeding device 2, make the hollow posts 6 of a plurality of Yarn hanging devices 2 connect into a shared water inlet pipe.
In the foregoing description, for the water that prevents top Yarn hanging device 2 leaks down, again lower floor's Yarn hanging device 2 is handled once more, it is inconsistent to cause upper and lower layer to hang the yarn treatment effect, can also between adjacent two Yarn hanging devices 2, a lid 18 be set, make the water that flows down above flow to master cylinder 1 bottom along the edge of lid 18 and the gap between master cylinder 1 inwall.Can make the bast fiber processing effect of the Yarn hanging device 2 that a plurality of polyphones use identical like this, can prevent that also other foreign material from falling into the Yarn hanging device 2 of bottom simultaneously.The pipeline connector 11 of hollow posts 6 ends of foot Yarn hanging device 2 connects the delivery port of heat-exchanger rig 4 as the water inlet of Yarn hanging device 2.
As shown in Figure 4, in the foregoing description, support column 8 can be a telescoping shoring post, this telescoping shoring post comprises pipe 81 and one outer tube 82 in, inner and outer pipe 81,82 is relatively set with screw thread, fixedly connected (as shown in Figure 2) with hollow beam 7 in interior pipe 81 tops, outer tube 82 bottoms and creel chassis 10 are rotationally connected, by rotating outer tube 82, interior pipe 81 can rise with respect to outer tube 82, thereby adjust the distance between hollow beam 7 and the creel chassis 10, with common locked instrument inner and outer pipe 81,82 is locked after adjusting is finished.In addition, each hollow beam 7 upper/lower terminal can be fixedlyed connected with support column 8 by screw bolt and nut, and telescoping shoring post also can be taked other frame mode.
In the foregoing description, master cylinder 1 can be a High Temperature High Pressure type cylinder body, also normal temperature and pressure type cylinder body.
In the foregoing description, heat-exchanger rig 4 can be one to be around in the conventional electric heater unit in pipeline outside, also can be one and be around in the conventional hydronic device with external heat source in pipeline outside.Heat-exchanger rig 4 can provide 20 ℃～180 ℃ suitable temperature as required for liquid circulation processing device of the present invention.
The using method of bast fiber liquid circulation processing device of the present invention, take following steps (as shown in Figure 1):
1) at first bast fiber a branch ofly is hung on the ground floor extension bar 9 of Yarn hanging device 2 side by side, and make the bast fiber that hangs down be positioned at the both sides of corresponding each layer extension bar, keep the density uniformity as far as possible.
2) will finish the connection of contact successively of a plurality of Yarn hanging devices 2 of hanging behind the yarn is placed in the master cylinder 1, between adjacent Yarn hanging device 2, all add a lid 18, and with the pipeline connector 11 of foot Yarn hanging device 2 hollow posts 6 ends as water inlet, the delivery port that connects heat-exchanger rig 4, the water inlet of heat-exchanger rig 4 is connected the delivery port of main pump 3, the water inlet of main pump 3 is connected the delivery port of master cylinder 1.
3) open valve 16 and in master cylinder 1, add chemical assistant by secondary cylinder 5, this chemical assistant can be come unstuck the chemical assistant of usefulness, also can be boiling house solution, dyeing liquor, cleaning solution, bleaching liquid etc., can be a kind of liquid or several mixing material wherein.Open main pump 3 and heat-exchanger rig 4, when treatment fluid circulates, be the treatment fluid heating, heating-up temperature can be according to process choice between 20～180 ℃.
4) after treatment fluid is pumped to the hollow posts 6 of Yarn hanging device 2, can be on bast fiber by the spray of the eyelet on each layer extension bar 9 of each Yarn hanging device 2, the treatment fluid that falls can fall into down on the lid 18 of one deck by the mesh on the creel chassis 10, and along lid 18 edges through the filter 13 of master cylinder 1 bottom, delivery port by master cylinder 1 flows into main pump 3, again by after heat-exchanger rig 4 heating, flow back to the hollow posts 6 of Yarn hanging device 2, and then constantly circulation, realized liquid circulation processing to bast fiber.
The foregoing description only is used to illustrate the present invention, wherein the structure of each parts, the position is set and connected mode all can change to some extent, the present invention simultaneously removes the liquid circulation processing that can be used for bast fiber, and can carry out the processing of liquid circulation to yarn.Therefore every equivalents of on the basis of technical solution of the present invention structure member being carried out and improvement, and the change on the processing purposes all should not got rid of outside protection scope of the present invention.
Claims (10)
1. bast fiber liquid circulation processing device, it is characterized in that: it comprises tubbiness master cylinder with a lid, be provided with Yarn hanging device in the described master cylinder, described master cylinder outer setting has a main pump, the water inlet of described main pump connects the delivery port of described master cylinder, the delivery port of described main pump connects a heat-exchanger rig, and the delivery port of described heat-exchanger rig connects the water inlet of Yarn hanging device in the described master cylinder, and the outside of described master cylinder connects a secondary cylinder for chemical assistant by a pipeline with valve; Described Yarn hanging device comprises a hollow posts, described hollow posts top seal, and be provided with a suspender, the left side of described hollow posts, right both sides are symmetrically arranged with the hollow beam that several layers is communicated with described hollow posts from top to bottom at interval, the outer end of the described hollow beam of each of each side links into an integrated entity by same support column, be arranged at intervals with some extension bars that are communicated with it on each described hollow beam, each described extension bar is provided with some eyelets, described hollow posts and support column bottom is connected with a creel chassis that is covered with mesh, the end of described hollow posts is provided with a pipeline connector, and described pipeline connector connects the delivery port of described heat-exchanger rig; Described two support columns are provided with each described extension bar encirclement urceolus wherein, and described urceolus is symmetrical in twos four creel baffle plates that are articulated on the two described support columns, is covered with apopore on the described creel baffle plate.
2. a kind of bast fiber liquid circulation processing device as claimed in claim 1, it is characterized in that: the Yarn hanging device in the described master cylinder is a plurality of for the polyphone use, be positioned at the described hollow posts open top of each described Yarn hanging device of first described Yarn hanging device below, and be connected on the described pipeline connector of adjacent described hollow posts bottom, top, be provided with a lid between the adjacent described Yarn hanging device.
3. a kind of bast fiber liquid circulation processing device as claimed in claim 1, it is characterized in that: the bottom in the described master cylinder, be provided with a filter that is covered with eyelet, described master cylinder bottom is provided with a removal waste fluid mouth with valve, and a water filling port with valve is set on the sidewall of described master cylinder.
4. a kind of bast fiber liquid circulation processing device as claimed in claim 2, it is characterized in that: the bottom in the described master cylinder, be provided with a filter that is covered with eyelet, described master cylinder bottom is provided with a removal waste fluid mouth with valve, and a water filling port with valve is set on the sidewall of described master cylinder.
5. as claim 1 or 2 or 3 or 4 described a kind of bast fiber liquid circulation processing devices, it is characterized in that: described support column is a telescoping shoring post, described telescoping shoring post comprises interior pipe and the outer tube by being threaded, the fixedly connected described hollow beam in pipe top in described, the support and connection rotationally of described outer tube are on described creel chassis.
6. an employing is as the bast fiber liquid circulation processing method of claim 1～5 device as described in each, and it may further comprise the steps:
1) hang over side by side on the top extension bar of Yarn hanging device on a branch of ground with bast fiber of Yarn hanging device, and make the bast fiber that hangs down be positioned at the both sides of each corresponding extension bar of below, then on the locking Yarn hanging device around the urceolus of each extension bar;
2) be placed in the master cylinder with the suspender of boom hoisting by the Yarn hanging device top, and the pipeline connector of Yarn hanging device hollow posts end is connected the delivery port of heat-exchanger rig, the water inlet of heat-exchanger rig is connected the delivery port of main pump, the water inlet of main pump is connected the delivery port of master cylinder;
3) open lid or the water filling in master cylinder of the water filling port on the sidewall that is arranged on the master cylinder top, open the valve of master cylinder auxiliary connection cylinder, in master cylinder, add chemical assistant, open main pump and heat-exchanger rig, when treatment fluid circulates, be the treatment fluid heating;
4) after main pump pumps into the hollow posts of Yarn hanging device with treatment fluid, treatment fluid enters each hollow beam and is connected each extension bar on the hollow beam, and from the eyelet of each extension bar, be ejected on the bast fiber, the mesh that sees through on the creel chassis along the treatment fluid that bast fiber flows down falls in the inflow master cylinder, partially liq flows in the master cylinder in the creel baffle holes from the side, after the filter that is provided with through the master cylinder foot filtered, the delivery port by master cylinder flowed back to main pump.
7. a kind of bast fiber liquid circulation processing method as claimed in claim 6, it is characterized in that: the Yarn hanging device that is arranged in the described master cylinder is be connected in series a plurality of, the hollow posts top seal of first Yarn hanging device of top, the hollow posts open top of each Yarn hanging device of below, and connect the end of the adjacent Yarn hanging device hollow posts in top, the end of the Yarn hanging device hollow posts of bottommost connects described heat-exchanger rig in the described master cylinder.
8. a kind of bast fiber liquid circulation processing method as claimed in claim 6 is characterized in that: described chemical assistant be used for coming unstuck, the liquid of kiering, dyeing, bleaching, softness, washing more than one.
9. a kind of bast fiber liquid circulation processing method as claimed in claim 7 is characterized in that: described chemical assistant be used for coming unstuck, the liquid of kiering, dyeing, bleaching, softness, washing more than one.
10. as claim 6 or 7 or 8 or 9 described a kind of bast fiber liquid circulation processing methods, it is characterized in that: the temperature of described treatment fluid is 20 ℃～180 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101000104A CN101838895B (en) | 2010-01-22 | 2010-01-22 | Liquid circulation processing device and method for bast fibers |
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| CN2010101000104A CN101838895B (en) | 2010-01-22 | 2010-01-22 | Liquid circulation processing device and method for bast fibers |
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| CN101838895B true CN101838895B (en) | 2011-12-21 |
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| CN104831493A (en) * | 2015-05-07 | 2015-08-12 | 苏州市吴中区大明针织漂染有限公司 | Economic efficient dye vat |
| CN105839323A (en) * | 2016-04-26 | 2016-08-10 | 芜湖富春染织有限公司 | Cleaning device used after cheese dyeing |
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| CN86209689U (en) * | 1986-11-26 | 1987-10-07 | 航空工业部第六○八研究所 | Cage for hemp boiling |
| CN2304673Y (en) * | 1997-09-26 | 1999-01-20 | 建良股份有限公司 | Degumming apparatus for fiberflax |
| CN201245728Y (en) * | 2008-07-23 | 2009-05-27 | 张利中 | Boiling ramie hanging frame for degumming ramie |
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| CN86209689U (en) * | 1986-11-26 | 1987-10-07 | 航空工业部第六○八研究所 | Cage for hemp boiling |
| CN2304673Y (en) * | 1997-09-26 | 1999-01-20 | 建良股份有限公司 | Degumming apparatus for fiberflax |
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Address after: 100010 69, Dongcheng District, Beijing. Co-patentee after: FONG'S NATIONAL ENGINEERING (GUANGDONG) Co.,Ltd. Patentee after: THE QUARTERMASTER EQUIPMENT RESEARCH INSTITUTE OF THE GENERAL LOGISITIC DEPARTMENT OF THE PLA Co-patentee after: Xishuangbanna Yagor Industrial Co.,Ltd. Co-patentee after: NINGBO YAK TECHNOLOGY INDUSTRIAL Co.,Ltd. Address before: 100010 69, Dongcheng District, Beijing. Co-patentee before: FONG'S NATIONAL ENGINEERING (GUANGDONG) Co.,Ltd. Patentee before: THE QUARTERMASTER EQUIPMENT RESEARCH INSTITUTE OF THE GENERAL LOGISITIC DEPARTMENT OF THE PLA Co-patentee before: CHINA-HEMP INDUSTRIAL INVESTMENT HOLDINGS Co.,Ltd. Co-patentee before: NINGBO YAK TECHNOLOGY INDUSTRIAL Co.,Ltd. |
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Effective date of registration: 20190424 Address after: 100010 69 Hutong warehouse, Dongcheng District, Beijing Co-patentee after: WUHAN HEMP BIOLOGICAL TECHNOLOGY Co.,Ltd. Patentee after: INSTITUTE OF QUARTERMASTER ENGINEERING TECHNOLOGY, INSTITUTE OF SYSTEMS ENGINEERING, ACADEMY OF MILITARY SCIENCES Co-patentee after: FONG'S NATIONAL ENGINEERING (GUANGDONG) Co.,Ltd. Co-patentee after: Ningbo hemp Biotechnology Co.,Ltd. Address before: 100010 69, Dongcheng District, Beijing. Co-patentee before: FONG'S NATIONAL ENGINEERING (GUANGDONG) Co.,Ltd. Patentee before: THE QUARTERMASTER EQUIPMENT RESEARCH INSTITUTE OF THE GENERAL LOGISITIC DEPARTMENT OF THE PLA Co-patentee before: Xishuangbanna Yagor Industrial Co.,Ltd. Co-patentee before: NINGBO YAK TECHNOLOGY INDUSTRIAL Co.,Ltd. |
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