CN102744003B - Liquid composite wax and emulsifier automatic batching system and production process - Google Patents
Liquid composite wax and emulsifier automatic batching system and production process Download PDFInfo
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- CN102744003B CN102744003B CN201210217531.7A CN201210217531A CN102744003B CN 102744003 B CN102744003 B CN 102744003B CN 201210217531 A CN201210217531 A CN 201210217531A CN 102744003 B CN102744003 B CN 102744003B
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- 239000003995 emulsifying agent Substances 0.000 title claims abstract description 98
- 239000007788 liquid Substances 0.000 title claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 title abstract description 23
- 239000002131 composite material Substances 0.000 title abstract 7
- 239000012535 impurity Substances 0.000 claims description 11
- 238000003860 storage Methods 0.000 abstract description 13
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 239000000839 emulsion Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
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Abstract
The invention discloses a liquid composite wax and emulsifier automatic batching system and a production process. The system includes a liquid composite wax storage tank, an emulsifier storage tank, a first batching tank, a second batching tank, and pipes, valves, meters, pumps and other accessories matching with the liquid composite wax storage tank, the emulsifier storage tank, the first batching tank, as well as the second batching tank. The bottoms of the liquid composite wax storage tank and the emulsifier storage tank are provided with several electronic scales that are connected to a PLC (programmable logic controller) system. The PLC system is in connection with the pipes, the valves, the meters, and the pumps connecting the liquid composite wax storage tank, the emulsifier storage tank, the first batching tank, as well as the second batching tank. The production process is completed according to the corresponding parts of the system. The liquid composite wax and emulsifier automatic batching system and the production process disclosed in the invention have the advantages of high intrinsic safety, simple production process, low production cost, high production efficiency, and environmental pollution reduction, etc.
Description
Technical field
The present invention relates to Emulsion Explosive Production control appliance and technique, specifically refer to a kind of liquid complex wax and emulsifying agent automatic batching system and automatic blending technique.
Background technology
Current domestic use solid union wax, barreled emulsifying agent are produced emulsion as raw material, in operating process, rely on artificial add above-mentioned oil phase raw material, according to processing compound requirement, artificial each oil phase raw material weight that feeds intake of calculating, industrial automation, batching accuracy are all lower.
Summary of the invention
The first object of the present invention is to provide that a kind of production cost is low, technological process is easy, production efficiency is high, non-environmental-pollution, liquid complex wax and emulsifying agent automatic batching system that intrinsic safety is high.
The second object of the present invention is to provide that a kind of production cost is low, technological process is easy, production efficiency is high, non-environmental-pollution, liquid complex wax and emulsifying agent automatic blending production technology that intrinsic safety is high.
In order to realize above-mentioned the first object, the present invention designs a kind of liquid complex wax and emulsifying agent automatic batching system, it comprises liquid complex wax holding vessel, emulsifying agent holding vessel, the first material-compound tank, the second material-compound tank and with liquid complex wax holding vessel, emulsifying agent holding vessel, the first material-compound tank, the pipe that the second material-compound tank is supporting, valve, table, the annexes such as pump, described liquid complex wax holding vessel is by pipe, valve respectively with the first material-compound tank, the second material-compound tank connects, emulsifying agent holding vessel is by pipe, valve respectively with the first material-compound tank, the second material-compound tank connects, described liquid complex wax holding vessel, the bottom of emulsifying agent holding vessel is provided with some electronic scales, described electronic scale is connected with PLC control system, PLC control system be connected liquid complex wax holding vessel, emulsifying agent holding vessel, the first material-compound tank, the pipe of the second material-compound tank, valve, table, pump connects.
Described liquid complex wax holding vessel is connected with oil phase batching pneumatic operated valve, and oil phase batching pneumatic operated valve is connected with L-type triple valve, and L-type triple valve is connected with the first material-compound tank, the second material-compound tank respectively.
Described emulsifying agent holding vessel is connected with emulsifying agent batching pneumatic operated valve, emulsifying agent batching pneumatic operated valve is connected with screw pump, screw pump is connected with the first emulsifying agent dispense valve, the second emulsifying agent dispense valve respectively, and described the first emulsifying agent dispense valve, the second emulsifying agent dispense valve are connected with the first material-compound tank, the second material-compound tank respectively.
Between described liquid complex wax holding vessel and oil phase batching pneumatic operated valve, be also provided with hand-operated valve; Between emulsifying agent holding vessel and emulsifying agent batching pneumatic operated valve, be provided with hand-operated valve.
Described emulsifying agent holding vessel bottom is provided with manual impurity removal valve, and liquid complex wax holding vessel bottom is provided with manual impurity removal valve.
In order to realize the present invention's the second object, design the production technology of a kind of liquid complex wax and emulsifying agent automatic blending, it is characterized in that, comprise the steps:
The first step, sets the maximum batching of material-compound tank A or B total amount;
Second step is separately installed with the electronic scale for knowing material-compound tank A or B weight in material-compound tank A or B, and this electronics is delivered to control system by the data of obtaining second;
The 3rd step, control system is identified current material-compound tank A or the existing weight X ㎏ of B, and obtains material-compound tank A or B also needs the maximum of preparing burden;
The 4th step, opening of the valve of the corresponding liquid complex wax tank of control system control, emulsifying agent tank, fills into liquid complex wax, emulsifying agent toward material-compound tank A or B respectively, and the amount filling into can be according to the formula total amount-XY/Y+Z for preparing burden, wherein liquid complex wax is X, and emulsifying agent is Y;
The 5th step, control system in the following order successively instruction automatic linkage open, close material distribution valve: open oil phase batching pneumatic operated valve, open A or B tank oil phase batching L-type triple valve simultaneously, close oil phase batching pneumatic operated valve, postpone 5 minutes, confirm that C value error is whether within the scope of 0.5 ㎏.If incorrect, automatically stop giving the alarm, if correct, can work on; Close A or B tank oil phase batching L-type triple valve, open emulsifying agent batching pneumatic operated valve, meanwhile, open A or B tank emulsifying agent dispense valve, open emulsifying agent batching screw pump, close emulsifying agent batching screw pump, close A or B tank emulsifying agent dispense valve simultaneously, close emulsifying agent batching pneumatic operated valve, confirm that D value error is whether within the scope of 0.5 ㎏, if incorrect, give the alarm and cannot start " reset " key; If correctly stop this batching,, press " reset " key and enter batching holding state next time.
The liquid complex wax of the present invention and this cover system of emulsifying agent the automatic batching system at home pioneering fluid oil phase material that uses are produced emulsion, in liquid complex wax and emulsifying agent storage process, realize automatically and controlling by industrial PLC, realize safety storing requirement by automatic fire control early warning cooling system and auxiliary equipment, oil phase material automatic temperature control system, material level demonstration and tank boil-overs automatic control alarm system, insulation and impurity removal system, lightning protection and anti-static system, reduced manpower consumption and energy consumption.
Because emulsifying agent can discharge a large amount of foams in adition process as beer, on tank design, charging aperture in emulsifying agent tank body is close to tank skin, emulsifying agent is slowly added and prevent bubbling generation tank boil-overs.Because the density of liquid complex wax is less than water, liquid emulsion agent density is greater than water, therefore the automatic fire control cooling system of two tank bodies is slightly different, liquid complex wax holding vessel uses the cold coil pipe that goes in tank body to pass into cooling water temperature, and liquid emulsion agent holding vessel is by the automatic deluge system fire-fighting temperature reduction on tank interior top.Feed and purging system, automatic fire control early warning cooling system and auxiliary equipment thereof, oil phase material automatic temperature control system, material level show and tank boil-overs automatic control alarm system, insulation and impurity removal system, lightning protection and anti-static system.
Because this technique has the advantages such as the efficiency of loading and unloading is high, the technological process of production is simplified more, for enterprise has saved production cost, improve economic benefit, semi-enclosed storage simultaneously, production, reduced environmental pollution, guaranteed safe production.The research success of this project, will further accelerate to build resources conservation, environmentally friendly industry for civil explosive industry, realizes sustainable development and injects new power.
The present invention has saved manpower, has improved the production automation, has simplified production link, has improved economic benefit, to the civil explosive industry production automation, an information-based progressive step advanced in years.
brief description of the drawings:
Fig. 1 is the liquid complex wax of the present invention and emulsifying agent automatic batching system structural representation.
Detailed description of the invention
For the ease of those skilled in the art's understanding, below in conjunction with specific embodiment and accompanying drawing, structural principle of the present invention is described in further detail.
As shown in Figure 1, a kind of liquid complex wax and emulsifying agent automatic batching system, it comprises liquid complex wax holding vessel 1, emulsifying agent holding vessel 2, the first material-compound tank 3, the second material-compound tank 4 and with liquid complex wax holding vessel 1, emulsifying agent holding vessel 2, the first material-compound tank 3, the supporting pipe of the second material-compound tank 4, valve, table, the annexes such as pump, described liquid complex wax holding vessel 1 is by pipe, valve respectively with the first material-compound tank 3, the second material-compound tank 4 connects, emulsifying agent holding vessel 2 is by pipe, valve respectively with the first material-compound tank 3, the second material-compound tank 4 connects, described liquid complex wax holding vessel 1, the bottom of emulsifying agent holding vessel 2 is provided with some electronic scales, described electronic scale is connected with PLC control system, PLC control system be connected liquid complex wax holding vessel 1, emulsifying agent holding vessel 2, the first material-compound tank 3, the pipe of the second material-compound tank 4, valve, table, pump connects.
Fluid oil phase material storage tank in the present invention, it is Φ 90 ㎜ batching pipelines that delivery outlet is fixed on tank base (level height is higher than impurity removal valve 150 ㎜) footpath, its input port devices such as manual normally open valve, oil phase batching pneumatic operated valve, oil phase material batching L-type Pneumatic three-way valve of preparing burden through oil phase, dock with A tank or B tank top feeding mouth, and pass through shielded cable by A tank or B tank electronic scale, jointly form from gravity automatic batching system with PLC system.It is Φ 90 ㎜ batching pipelines that the delivery outlet of emulsifying agent storage tank is fixed on tank base (level height is higher than impurity removal valve 150 ㎜) footpath, its input port devices such as manual normally open valve, emulsifying agent batching pneumatic operated valve, screw pump, A tank and B tank emulsifying agent batching motor-driven valve of preparing burden through emulsifying agent, dock with A tank or B tank top feeding mouth, and pass through shielded cable by A tank or B tank electronic scale, jointly form automatic batching system with PLC system.
As shown in Figure 1, described liquid complex wax holding vessel 1 is connected with oil phase batching pneumatic operated valve 16, and oil phase batching pneumatic operated valve 16 is connected with L-type triple valve 17, and L-type triple valve 17 is connected with the first material-compound tank 3, the second material-compound tank 4 respectively.
As shown in Figure 1, described emulsifying agent holding vessel 2 is connected with emulsifying agent batching pneumatic operated valve 12, emulsifying agent batching pneumatic operated valve 12 is connected with screw pump 11, screw pump 11 is connected with the first emulsifying agent dispense valve 13, the second emulsifying agent dispense valve 14 respectively, and described the first emulsifying agent dispense valve 13, the second emulsifying agent dispense valve 14 are connected with the first material-compound tank 3, the second material-compound tank 4 respectively.
As shown in Figure 1, between described liquid complex wax holding vessel 1 and oil phase batching pneumatic operated valve 16, be also provided with hand-operated valve 18; Between emulsifying agent holding vessel 2 and emulsifying agent batching pneumatic operated valve 12, be provided with hand-operated valve 18.
As shown in Figure 1, described emulsifying agent holding vessel bottom is provided with manual impurity removal valve 19, and liquid complex wax holding vessel bottom is provided with manual impurity removal valve 19.
A production technology for liquid complex wax and emulsifying agent automatic blending, comprises the steps:
The first step, sets the maximum batching of material-compound tank A or B total amount;
Second step is separately installed with the electronic scale for knowing material-compound tank A or B weight in material-compound tank A or B, and this electronics is delivered to control system by the data of obtaining second;
The 3rd step, control system is identified current material-compound tank A or the existing weight X ㎏ of B, and obtains material-compound tank A or B also needs the maximum of preparing burden;
The 4th step, opening of the valve of the corresponding liquid complex wax tank of control system control, emulsifying agent tank, fills into liquid complex wax, emulsifying agent toward material-compound tank A or B respectively, and the amount filling into can be according to the formula total amount-XY/Y+Z for preparing burden, wherein liquid complex wax is X, and emulsifying agent is Y;
The 5th step, control system in the following order successively instruction automatic linkage open, close material distribution valve: open oil phase batching pneumatic operated valve 16, open A or B tank oil phase batching L-type triple valve 17 simultaneously, close oil phase batching pneumatic operated valve 16, postpone 5 minutes, confirm that C value error is whether within the scope of 0.5 ㎏.If incorrect, automatically stop giving the alarm, if correct, can work on; Close A or B tank oil phase batching L-type triple valve 17, open emulsifying agent batching pneumatic operated valve 12, meanwhile, open A or B tank emulsifying agent dispense valve 13,14, open emulsifying agent batching screw pump, close emulsifying agent batching screw pump, close A or B tank emulsifying agent dispense valve 13,14 simultaneously, close emulsifying agent batching pneumatic operated valve 12, confirm that D value error is whether within the scope of 0.5 ㎏, if incorrect, give the alarm and cannot start " reset " key; If correctly stop this batching,, press " reset " key and enter batching holding state next time.
Automatic blending workflow of the present invention:
1, PLC systemic presupposition is determined material-compound tank A or the maximum batching of B total amount (450-50) ㎏=400 ㎏ [450 ㎏ are the maximum dosage of tank A or B, and 50 ㎏ are oil phase storage in pipeline];
2, the current material-compound tank A of PLC system identification or the existing weight X ㎏ of B (the aobvious current weight of looking of electronic scale, real these data that directly gather when computer);
3, PLC system is by computing formula (400-X) the automatic current material-compound tank A of computing or B maximum (the 400-X) ㎏ that also needs to prepare burden at any time;
4, at P LC system inputting interface input oil phase: emulsifying agent=Y:Z(as 4:2.2) [password need be set, and while not needing to change proportioning at ordinary times, operator does not carry out this step, directly enters next step program]
5, P LC system, according to Y, the Z value of input, by formula (450-X) Y/(Y+Z), automatically calculates current material-compound tank A or B and need add oil phase material weight C ㎏ [as C=(450-X) 4/(4+2.2)];
6, P LC system, by according to Y, the Z value of input, by formula (450-X) Z/(Y+Z), automatically calculates current material-compound tank A or B and need add emulsifying agent weight D ㎏ [as D=(450-X) 2.2/(4+2.2)];
7, operating personnel press " confirmation " key at P LC system inputting interface, and Computer display interface shows at once automatically: material-compound tank A or B need add oil phase material weight C ㎏ value and emulsifying agent weight D ㎏ value
8, after central control room operating personnel confirm correctly by formula X+C+D=450 ㎏, start
" A tank batching " or " B tank batching " button, P LC system in the following order successively instruction automatic linkage open, close material distribution valve:
Stop this batching program, press " reset " key and enter batching holding state next time.
For ensureing that solution temperature this gradient of temperature drop in 24h in oil phase material tank body is no more than 1 DEG C, just must design, select rational heat preserving mode, insulation material, this process using polyurethane foam material, heat insulation effect is good; For making emulsifying agent and oil phase material tank structure more scientific and reasonable, tank body has adopted vertical type cylinder shape structure, under the certain prerequisite of volume, this structure consumptive material is little, floor space is little, meanwhile, tank base design is 0.5 ° of slope angle, makes the sediment in tank body be easy to discharge from manual impurity removal valve 19.
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction; The those of ordinary skill of all industry all can be implemented the present invention with the above shown in by specification accompanying drawing swimmingly; But all those skilled in the art are not departing within the scope of technical solution of the present invention, can utilize disclosed above technology contents and a little change, the modification of making and the equivalent variations developing, be equivalent embodiment of the present invention; Meanwhile, the change of any equivalent variations that all foundations essence technology of the present invention is done above embodiment, modification and differentiation etc., within all still belonging to the protection domain of technical scheme of the present invention.
Claims (5)
1. liquid complex wax and an emulsifying agent automatic batching system, comprises liquid complex wax holding vessel (1), emulsifying agent holding vessel (2), the first material-compound tank (3), the second material-compound tank (4) and with liquid complex wax holding vessel (1), emulsifying agent holding vessel (2), the first material-compound tank (3), the supporting pipe of the second material-compound tank (4), valve, table, pump, described liquid complex wax holding vessel (1) is by pipe, valve respectively with the first material-compound tank (3), the second material-compound tank (4) connects, and emulsifying agent holding vessel (2) is by pipe, valve respectively with the first material-compound tank (3), the second material-compound tank (4) connects, and it is characterized in that: described liquid complex wax holding vessel (1), the bottom of emulsifying agent holding vessel (2) is provided with some electronic scales, and described electronic scale is connected with PLC control system, PLC control system be connected liquid complex wax holding vessel (1), emulsifying agent holding vessel (2), the first material-compound tank (3), the pipe of the second material-compound tank (4), valve, table, pump connects.
2. liquid complex wax according to claim 1 and emulsifying agent automatic batching system, it is characterized in that: described liquid complex wax holding vessel (1) is connected with oil phase batching pneumatic operated valve (16), oil phase batching pneumatic operated valve (16) is connected with L-type triple valve (17), and L-type triple valve (17) is connected with the first material-compound tank (3), the second material-compound tank (4) respectively.
3. liquid complex wax according to claim 2 and emulsifying agent automatic batching system, it is characterized in that: described emulsifying agent holding vessel (2) is connected with emulsifying agent batching pneumatic operated valve (12), emulsifying agent batching pneumatic operated valve (12) is connected with screw pump (11), screw pump (11) is connected with the first emulsifying agent dispense valve (13), the second emulsifying agent dispense valve (14) respectively, and described the first emulsifying agent dispense valve (13), the second emulsifying agent dispense valve (14) are connected with the first material-compound tank (3), the second material-compound tank (4) respectively.
4. according to the liquid complex wax described in claim 2 or 3 and emulsifying agent automatic batching system, it is characterized in that: between described liquid complex wax holding vessel (1) and oil phase batching pneumatic operated valve (16), be also provided with hand-operated valve (18); Between emulsifying agent holding vessel (2) and emulsifying agent batching pneumatic operated valve (12), be provided with hand-operated valve (18).
5. liquid complex wax according to claim 4 and emulsifying agent automatic batching system, it is characterized in that: described emulsifying agent holding vessel bottom is provided with manual impurity removal valve (19), liquid complex wax holding vessel bottom is provided with manual impurity removal valve (19).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210217531.7A CN102744003B (en) | 2012-06-28 | 2012-06-28 | Liquid composite wax and emulsifier automatic batching system and production process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210217531.7A CN102744003B (en) | 2012-06-28 | 2012-06-28 | Liquid composite wax and emulsifier automatic batching system and production process |
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| CN102744003B true CN102744003B (en) | 2014-08-06 |
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| CN106881049A (en) * | 2015-12-15 | 2017-06-23 | 上海奥星制药技术装备有限公司 | Homogeneous control system and its control method |
| CN110152543B (en) * | 2019-06-10 | 2024-04-02 | 恒力石化（大连）有限公司 | R2R batching device and process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1239088A (en) * | 1999-06-29 | 1999-12-22 | 国营九八一五厂 | Powerful emulsified explosive and its preparing process |
| CN1837163A (en) * | 2006-04-14 | 2006-09-27 | 安徽盾安化工集团有限公司 | High-strength emulsified explosive and production process thereof |
| CN102252571A (en) * | 2010-05-21 | 2011-11-23 | 南京理工大学 | Solid-state emulsion explosive seismic source grain and preparation method thereof |
| CN202968420U (en) * | 2012-06-28 | 2013-06-05 | 广东振声科技股份有限公司 | Automatic proportioning system for liquid composite wax and emulsifier |
-
2012
- 2012-06-28 CN CN201210217531.7A patent/CN102744003B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1239088A (en) * | 1999-06-29 | 1999-12-22 | 国营九八一五厂 | Powerful emulsified explosive and its preparing process |
| CN1837163A (en) * | 2006-04-14 | 2006-09-27 | 安徽盾安化工集团有限公司 | High-strength emulsified explosive and production process thereof |
| CN102252571A (en) * | 2010-05-21 | 2011-11-23 | 南京理工大学 | Solid-state emulsion explosive seismic source grain and preparation method thereof |
| CN202968420U (en) * | 2012-06-28 | 2013-06-05 | 广东振声科技股份有限公司 | Automatic proportioning system for liquid composite wax and emulsifier |
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Denomination of invention: Liquid composite wax and emulsifier automatic batching system and production process Effective date of registration: 20170915 Granted publication date: 20140806 Pledgee: Meizhou enterprise credit financing guarantee investment Co.,Ltd. Pledgor: Guangdong Zhensheng Packaging Technology Co.,Ltd.|Guangdong No.401 Factory Registration number: 2017440000083 |
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Date of cancellation: 20180427 Granted publication date: 20140806 Pledgee: Meizhou enterprise credit financing guarantee investment Co.,Ltd. Pledgor: GUANGDONG ZHENSHENG PACKAGING TECHNOLOGY Co.,Ltd.|GUANGDONG NO.401 FACTORY Registration number: 2017440000083 |
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Denomination of invention: An automatic batching system and production process for liquid composite wax and emulsifier Effective date of registration: 20230104 Granted publication date: 20140806 Pledgee: Meizhou enterprise credit financing guarantee investment Co.,Ltd. Pledgor: GUANGDONG ZHENSHENG PACKAGING TECHNOLOGY Co.,Ltd.|GUANGDONG ZHENSHENG INTELLIGENT EQUIPMENT CO.,LTD. Registration number: Y2022440000343 |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 514700 Messi Town, Meixian District, Meizhou, Guangdong province (two floor, Guangdong vibrant Polytron Technologies Inc Office) Patentee after: GUANGDONG ZHENSHENG INTELLIGENT EQUIPMENT CO.,LTD. Patentee after: Guangdong Zhensheng Technology Group Co.,Ltd. Address before: 514700 Messi Town, Meixian District, Meizhou, Guangdong province (two floor, Guangdong vibrant Polytron Technologies Inc Office) Patentee before: GUANGDONG ZHENSHENG INTELLIGENT EQUIPMENT CO.,LTD. Patentee before: GUANGDONG ZHENSHENG PACKAGING TECHNOLOGY Co.,Ltd. |