CN210613634U - Unsaturated polyester resin production control device - Google Patents
Unsaturated polyester resin production control device Download PDFInfo
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- CN210613634U CN210613634U CN201921652700.3U CN201921652700U CN210613634U CN 210613634 U CN210613634 U CN 210613634U CN 201921652700 U CN201921652700 U CN 201921652700U CN 210613634 U CN210613634 U CN 210613634U
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- dissolving
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- reaction kettle
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 229920006337 unsaturated polyester resin Polymers 0.000 title claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 113
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000003860 storage Methods 0.000 claims abstract description 40
- 239000007787 solid Substances 0.000 claims abstract description 32
- 238000005303 weighing Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 8
- 239000006052 feed supplement Substances 0.000 claims description 2
- 230000001502 supplementing effect Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 18
- 230000003068 static effect Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 238000010129 solution processing Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 239000011343 solid material Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model relates to an unsaturated polyester resin production control device, which comprises a pre-dissolving reaction kettle, wherein the bottom of the pre-dissolving reaction kettle is provided with a weighing component, the weighing component comprises a chassis, a plurality of sensors and a bearing disc, one side of the pre-dissolving reaction kettle is provided with a control center, the plurality of sensors are electrically connected with the control center, the right side of the pre-dissolving reaction kettle is provided with a plurality of liquid raw material automatic feeding components, the liquid raw material automatic feeding components comprise a raw material storage barrel, a raw material conveying pipe and a water suction pump, the water suction pump is electrically connected with the control center, the left side of the pre-dissolving reaction kettle is provided with a solid raw material automatic feeding component, the solid raw material automatic feeding component comprises a feeding barrel, a spiral conveyor and a frame, the spiral conveyor is electrically connected with the control center, compared with the prior art, the utility model can accurately and automatically control the raw material feeding amount, and, dust pollution is not easy to generate, and the neatness of the working environment is improved.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field, concretely relates to unsaturated polyester resin production control device.
Background
After decades of development, glass fiber reinforced plastic products using unsaturated polyester resin as a matrix have penetrated into various industries and play more and more important roles in various fields of national economy. However, the domestic production technology of unsaturated polyester resin is far behind the advanced level in the world, and is particularly reflected in aspects of laggard production process, crude equipment, low technical level and the like, so that the product quality of the unsaturated polyester resin is not stable enough, and the performance is not ideal enough. Since twenty-first century, with the rapid development of domestic and foreign trade, the phenomenon of laggard production technology level of domestic unsaturated polyester resin products is immediately shown, and such a severe situation forces domestic unsaturated polyester resin production enterprises to continuously improve and optimize production facilities and processes so as to increase the competitiveness of the same overseas, at present, unsaturated polyester resin production control devices widely used in pre-dissolving treatment comprise a pre-dissolving reaction kettle, and the unsaturated polyester resin production control system cannot automatically and accurately control the input amount of production raw materials in the use process, and easily generates a large amount of dust to pollute the working environment when solid raw materials are input, so that improvement is necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a can the automatic control raw materials put in quantity, be difficult to produce dust pollution's unsaturated polyester resin production controlling means.
The technical scheme of the utility model is realized like this: the utility model provides an unsaturated polyester resin production controlling means, includes pre-dissolving reation kettle, its characterized in that: the bottom of the pre-dissolving reaction kettle is provided with a weighing component, the weighing component comprises a chassis, a plurality of sensors and a bearing disc, the sensors are arranged on the upper surface of the chassis, the sensing ends of the sensors vertically face upwards, the bearing disc is arranged on the upper surface of the sensors, the pre-dissolving reaction kettle is placed on the upper surface of the bearing disc, one side of the pre-dissolving reaction kettle is provided with a control center, the sensors are electrically connected with the control center, the right side of the pre-dissolving reaction kettle is provided with a plurality of liquid raw material automatic feeding components, the liquid raw material automatic feeding components comprise a raw material storage barrel, a raw material conveying pipe and a water suction pump, the raw material storage barrel is provided with a first material supplementing port, one end of the raw material conveying pipe is communicated with the raw material storage barrel and is arranged at the bottom of the raw material storage barrel, the other end of the raw material conveying pipe is communicated with the pre-dissolving reaction kettle and is arranged at the top of the pre-dissolving reaction, the suction pump is connected with the control center electricity, the left side of dissolving reation kettle in advance is provided with the automatic material subassembly of throwing of solid raw materials, the automatic material subassembly of throwing of solid raw materials is including throwing storage bucket, screw conveyer and frame, screw conveyer sets up in the frame, screw conveyer's discharge gate and dissolving reation kettle in advance intercommunication, throw the vertical top of setting of storage bucket keeping away from dissolving reation kettle one end in advance at screw conveyer, throw storage bucket and screw conveyer intercommunication, be provided with the second feed supplement mouth on throwing the storage bucket, screw conveyer is connected with the control center electricity.
By adopting the technical scheme, in the process of pre-dissolving treatment, the unsaturated polyester resin production control device is started through the control center, the sensor in the weighing component is zeroed and then sends a signal to the control center, the control center receives the signal and then sends an instruction to the liquid raw material automatic feeding component, the water pump in the liquid raw material automatic feeding component is started after receiving the instruction, the liquid raw material in the raw material storage barrel is pumped into the raw material conveying pipe, the liquid raw material enters the pre-dissolving reaction kettle through the raw material conveying pipe, the gradually increased liquid raw material in the pre-dissolving reaction kettle can increase the whole weight of the pre-dissolving reaction kettle, the increased weight can be captured by the sensor in the weighing component, the sensor continuously sends a signal to the control center to detect the input quantity of the liquid raw material in the process, and after the preset value is reached, the sensor sends the signal to the control center and is zeroed again, the control center sends an instruction to the liquid raw material automatic feeding assembly again after receiving a signal to stop the liquid raw material automatic feeding assembly, when another liquid raw material needs to be fed, the control center sends an instruction to the other liquid raw material automatic feeding assembly, the operation is repeated to quantitatively feed the other liquid raw material, after all the liquid raw materials are fed, the sensor is zeroed again and sends a signal to the control center, the control center sends an instruction to the solid raw material automatic feeding assembly after receiving the signal, a spiral conveyor in the solid raw material automatic feeding assembly is started after receiving the instruction, the solid raw material in a feeding barrel falls into a spiral conveyor communicated with the feeding barrel under the action of gravity, the spiral conveyor conveys the solid raw material falling into the spiral conveyor to a pre-dissolving reaction kettle, and the solid raw material falls into the pre-dissolving reaction kettle through a discharge hole of the spiral conveyor, the solid raw materials that gradually increases among the pre-dissolving reation kettle can increase pre-dissolving reation kettle's whole weight, the weight of increase can be caught by the sensor in the subassembly of weighing, the in-process sensor constantly sends the signal and detects solid raw materials's input volume for control center, after reaching the default, the sensor gives control center and zero adjustment once more with signal transmission, control center receives after the signal once more to solid raw materials automatic feeding subassembly send instruction messenger solid raw materials automatic feeding subassembly stop motion, for prior art, the utility model discloses automatic control raw materials that can be accurate put in volume, improved work efficiency, increased product production's stability to be difficult to produce dust pollution, improved operational environment's clean and tidy nature.
The utility model discloses further set up to: throw and set up in the storage bucket and prevent blockking up stirring subassembly, prevent blockking up stirring subassembly and include agitator motor, puddler and spiral stirring piece, agitator motor sets up at the upper surface of throwing the storage bucket and agitator motor's output is vertical down, the one end of puddler and agitator motor's output fixed connection, the other end runs through the upper surface setting of throwing the storage bucket and is throwing the storage bucket in, the fixed setting of spiral stirring piece is on the lateral wall of puddler.
Through adopting above-mentioned technical scheme, at the in-process of preliminary solution processing, agitator motor drives the puddler after starting and rotates, and the spiral stirring piece on the puddler rotates along with the rotation of puddler, and the solid starting material in the storage bucket is thrown in the rotation in-process stirring to the spiral stirring piece, prevents that blocking phenomenon from appearing when falling into screw conveyer in the solid starting material, has reduced the manual maintenance cost, has improved work efficiency.
The utility model discloses preferred is: the raw material conveying pipe is provided with an electromagnetic valve in series, and the electromagnetic valve is electrically connected with the control center.
Through adopting above-mentioned technical scheme, at the in-process of pre-dissolving processing, control center is when normally sending a signal for the automatic material subassembly of throwing of liquid raw materials, send a signal for the solenoid valve simultaneously, the solenoid valve is opened after receiving the signal and is made liquid raw materials can get into in the pre-dissolving reation kettle through the solenoid valve, when the automatic material subassembly of throwing of liquid raw materials started unusually, the solenoid valve was in the closed state not received the signal, hinder liquid raw materials to get into in the pre-dissolving reation kettle, reduced and thrown the material unusual phenomenon because of the automatic material subassembly of throwing of liquid raw materials unusual start-up and appeared, improved work efficiency.
The utility model discloses preferred is: be provided with the material inductor on dissolving reation kettle in advance's the inside wall, the material inductor sets up the below at screw conveyer discharge gate, the material inductor is connected with the control center electricity.
Through adopting above-mentioned technical scheme, at the in-process of pre-dissolving processing, the material inductor can sense and give control center with signal transmission before the raw materials in the reation kettle of pre-dissolving reachs the discharge gate, and the control center after receiving the signal can send the instruction and stop reinforced work, prevents that the raw materials in the reation kettle of pre-dissolving from spilling over by screw conveyer discharge gate, reduces because of the operator artificially sets up the too much phenomenon of raw materials interpolation that leads to appearing at control center, has improved work efficiency.
The utility model discloses preferred is: the anti-static charging device is characterized in that an anti-static assembly is arranged on the outer side wall of the charging barrel and comprises a conductive seat and a conductive wire, the conductive seat is fixedly connected with the outer side wall of the charging barrel, one end of the conductive wire is fixedly connected with the conductive seat, and the other end of the conductive wire extends to the ground and is in contact with the ground.
Through adopting above-mentioned technical scheme, at the in-process of preliminary solution processing, prevent that the static subassembly can be with solid starting material with throw the static direction bottom surface that the feed bin friction produced, reduced the phenomenon appearance that takes place the production accident because of static.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the utility model discloses an unsaturated polyester resin production control device, including dissolving reation kettle 1 in advance the utility model discloses in the embodiment: the bottom of the pre-dissolving reaction kettle 1 is provided with a weighing component, the weighing component comprises a chassis 2, a plurality of sensors 3 and a bearing plate 4, the sensors 3 are arranged on the upper surface of the chassis 2, the sensing ends of the sensors are vertically upward, the bearing plate 4 is arranged on the upper surface of the sensors 3, the pre-dissolving reaction kettle 1 is placed on the upper surface of the bearing plate 4, one side of the pre-dissolving reaction kettle 1 is provided with a control center 5, the sensors 3 are electrically connected with the control center 5, the right side of the pre-dissolving reaction kettle 1 is provided with a plurality of liquid raw material automatic feeding components, each liquid raw material automatic feeding component comprises a raw material storage barrel 6, a raw material conveying pipe 7 and a water suction pump 8, the raw material storage barrel 6 is provided with a first feeding port 9, one end of the raw material conveying pipe 7 is communicated with the raw material storage barrel 6 and is arranged at the bottom of the raw material storage barrel 6, the other end of the raw material conveying pipe 7 is communicated with the pre-dissolving reaction, the utility model discloses a solid material feeding device, including suction pump 8, pre-dissolving reation kettle 1, screw conveyer 11, feeding bucket 10 and bolt conveyer 11, be provided with second material supplement mouth 13 on feeding bucket 10, screw conveyer 11 is connected with control center 5 electricity, suction pump 8 establishes ties and sets up the one end of keeping away from pre-dissolving reation kettle 1 at feedstock delivery pipe 7, the left side of pre-dissolving reation kettle 1 is provided with the automatic material subassembly of throwing of solid material, the automatic material subassembly of throwing of solid material is including throwing storage bucket 10, screw conveyer 11 and frame 12, screw conveyer 11 sets up in frame 12, screw conveyer 11's discharge gate and pre-dissolving reation kettle 1 intercommunication, the vertical setting of throwing storage bucket 10 is kept away from the top of pre-dissolving reation kettle 1 one end at screw conveyer 11, throw storage bucket 10 and bolt conveyer 11 intercommunication.
By adopting the technical scheme, in the process of pre-dissolving treatment, the control center 5 starts the unsaturated polyester resin production control device, the sensor 3 in the weighing component is adjusted to zero and then sends a signal to the control center 5, the control center 5 receives the signal and then sends an instruction to the liquid raw material automatic feeding component, the water suction pump 8 in the liquid raw material automatic feeding component is started after receiving the instruction, the liquid raw material in the raw material storage barrel 6 is pumped into the raw material conveying pipe 7, the liquid raw material enters the pre-dissolving reaction kettle 1 through the raw material conveying pipe 7, the gradually increased liquid raw material in the pre-dissolving reaction kettle 1 can increase the whole weight of the pre-dissolving reaction kettle 1, the increased weight can be captured by the sensor 3 in the weighing component, the sensor 3 continuously sends a signal to the control center 5 to detect the input quantity of the liquid raw material in the process, and after reaching a preset value, the sensor 3 sends a signal to the control center 5 and performs zero setting again, the control center 5 sends a command to the automatic liquid raw material feeding assembly again after receiving the signal to stop the automatic liquid raw material feeding assembly, when another liquid raw material needs to be fed, the control center 5 sends a command to the automatic solid raw material feeding assembly, the operations are repeated to quantitatively feed the other liquid raw material, after all the liquid raw materials are fed, the sensor 3 performs zero setting again and sends a signal to the control center 5, the control center 5 sends a command to the automatic solid raw material feeding assembly after receiving the signal, the screw conveyor 11 in the automatic solid raw material feeding assembly starts after receiving the command, the solid raw material in the feeding barrel 10 falls into the screw conveyor 11 communicated with the feeding barrel under the action of gravity, and the screw conveyor 11 conveys the solid raw material falling into the pre-dissolving reaction kettle 1, solid raw materials falls into pre-dissolving reation kettle 1 through screw conveyer 11's discharge gate, the solid raw materials that increases gradually in the pre-dissolving reation kettle 1 can increase pre-dissolving reation kettle 1's whole weight, the weight of increase can be caught by sensor 3 in the subassembly of weighing, in-process sensor 3 constantly sends the signal and detects for control center solid raw materials's input volume, after reaching the default, sensor 3 sends the signal for control center 5 and zero adjustment once more, control center 5 receives after the signal once more to solid raw materials automatic feeding subassembly send instruction messenger solid raw materials automatic feeding subassembly stop motion, for prior art, the utility model discloses automatic control raw materials that can be accurate put in volume, work efficiency has been improved, product production's stability has been increased to be difficult to produce dust pollution, operational environment's clean and tidy nature has been improved.
In the embodiment of the present invention: throw and set up in the storage bucket 10 and prevent blockking up the stirring subassembly, prevent blockking up the stirring subassembly and include agitator motor 14, puddler 15 and spiral stirring piece 16, agitator motor 14 sets up and is throwing the upper surface of storage bucket 10 and agitator motor 14's output vertical down, the one end of puddler 15 and agitator motor 14's output fixed connection, the other end runs through the upper surface setting of throwing storage bucket 10 and throws in storage bucket 10, spiral stirring piece 16 is fixed to be set up on the lateral wall of puddler 15.
Through adopting above-mentioned technical scheme, at the in-process of preliminary solution processing, agitator motor 14 drives puddler 15 after starting and rotates, and spiral stirring piece 16 on puddler 15 rotates along with puddler 15's rotation, and spiral stirring piece 16 stirs the solid raw materials in throwing storage bucket 10 rotating the in-process, prevents that blocking phenomenon from appearing when falling into screw conveyer 11 in the solid raw materials, has reduced the manual maintenance cost, has improved work efficiency.
In the embodiment of the present invention: the raw material conveying pipe 7 is provided with an electromagnetic valve 17 in series, and the electromagnetic valve 17 is electrically connected with the control center 5.
By adopting the technical scheme, in the process of pre-dissolving treatment, when the control center 5 normally sends a signal to the liquid raw material automatic feeding assembly, the signal is sent to the electromagnetic valve 17 at the same time, the electromagnetic valve 17 is opened after receiving the signal, so that the liquid raw material can enter the pre-dissolving reaction kettle 1 through the electromagnetic valve 17, when the liquid raw material automatic feeding assembly is abnormally started, the electromagnetic valve 17 is in a closed state without receiving the signal, the liquid raw material is prevented from entering the pre-dissolving reaction kettle 1, the phenomenon of abnormal feeding caused by the abnormal starting of the liquid raw material automatic feeding assembly is reduced, and the working efficiency is improved.
In the embodiment of the present invention: be provided with material inductor 18 on the inside wall of dissolving reation kettle 1 in advance, material inductor 18 sets up the below at screw conveyer 11 discharge gate, material inductor 18 is connected with control center 5 electricity.
Through adopting above-mentioned technical scheme, at the in-process of pre-dissolving processing, material inductor 18 can sense and give control center 5 with signal transmission before the raw materials in pre-dissolving reation kettle 1 reachs the discharge gate, control center 5 after receiving the signal can send the instruction and stop reinforced work, prevent that the raw materials in pre-dissolving reation kettle 1 from spilling over by screw conveyer 11 discharge gate, reduce because of the operator artificially sets up the phenomenon that the error leads to appearing the raw materials and adding too much at control center, improved work efficiency.
In the embodiment of the present invention: the anti-static charging device is characterized in that an anti-static assembly is arranged on the outer side wall of the charging barrel 10 and comprises a conductive seat 19 and a conductive wire 20, the conductive seat 19 is fixedly connected with the outer side wall of the charging barrel 10, one end of the conductive wire 20 is fixedly connected with the conductive seat 19, and the other end of the conductive wire extends to the ground and contacts with the ground.
Through adopting above-mentioned technical scheme, at the in-process of preliminary solution processing, prevent that the static subassembly can lead the bottom surface with the static that the solid raw materials and throw the material bucket 10 friction produced, reduced the phenomenon appearance that takes place the production accident because of static.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides an unsaturated polyester resin production controlling means, includes pre-dissolving reation kettle, its characterized in that: the bottom of the pre-dissolving reaction kettle is provided with a weighing component, the weighing component comprises a chassis, a plurality of sensors and a bearing disc, the sensors are arranged on the upper surface of the chassis, the sensing ends of the sensors vertically face upwards, the bearing disc is arranged on the upper surface of the sensors, the pre-dissolving reaction kettle is placed on the upper surface of the bearing disc, one side of the pre-dissolving reaction kettle is provided with a control center, the sensors are electrically connected with the control center, the right side of the pre-dissolving reaction kettle is provided with a plurality of liquid raw material automatic feeding components, the liquid raw material automatic feeding components comprise a raw material storage barrel, a raw material conveying pipe and a water suction pump, the raw material storage barrel is provided with a first material supplementing port, one end of the raw material conveying pipe is communicated with the raw material storage barrel and is arranged at the bottom of the raw material storage barrel, the other end of the raw material conveying pipe is communicated with the pre-dissolving reaction kettle and is arranged at the top of the pre-dissolving reaction, the suction pump is connected with the control center electricity, the left side of dissolving reation kettle in advance is provided with the automatic material subassembly of throwing of solid raw materials, the automatic material subassembly of throwing of solid raw materials is including throwing storage bucket, screw conveyer and frame, screw conveyer sets up in the frame, screw conveyer's discharge gate and dissolving reation kettle in advance intercommunication, throw the vertical top of setting of storage bucket keeping away from dissolving reation kettle one end in advance at screw conveyer, throw storage bucket and screw conveyer intercommunication, be provided with the second feed supplement mouth on throwing the storage bucket, screw conveyer is connected with the control center electricity.
2. The unsaturated polyester resin production control device according to claim 1, characterized in that: throw and set up in the storage bucket and prevent blockking up stirring subassembly, prevent blockking up stirring subassembly and include agitator motor, puddler and spiral stirring piece, agitator motor sets up at the upper surface of throwing the storage bucket and agitator motor's output is vertical down, the one end of puddler and agitator motor's output fixed connection, the other end runs through the upper surface setting of throwing the storage bucket and is throwing the storage bucket in, the fixed setting of spiral stirring piece is on the lateral wall of puddler.
3. The unsaturated polyester resin production control device according to claim 1, characterized in that: the raw material conveying pipe is provided with an electromagnetic valve in series, and the electromagnetic valve is electrically connected with the control center.
4. The unsaturated polyester resin production control device according to claim 1, characterized in that: be provided with the material inductor on dissolving reation kettle in advance's the inside wall, the material inductor sets up the below at screw conveyer discharge gate, the material inductor is connected with the control center electricity.
5. The unsaturated polyester resin production control device according to claim 1, characterized in that: the anti-static charging device is characterized in that an anti-static assembly is arranged on the outer side wall of the charging barrel and comprises a conductive seat and a conductive wire, the conductive seat is fixedly connected with the outer side wall of the charging barrel, one end of the conductive wire is fixedly connected with the conductive seat, and the other end of the conductive wire extends to the ground and is in contact with the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652700.3U CN210613634U (en) | 2019-09-30 | 2019-09-30 | Unsaturated polyester resin production control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652700.3U CN210613634U (en) | 2019-09-30 | 2019-09-30 | Unsaturated polyester resin production control device |
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| Publication Number | Publication Date |
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| CN210613634U true CN210613634U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921652700.3U Active CN210613634U (en) | 2019-09-30 | 2019-09-30 | Unsaturated polyester resin production control device |
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| CN (1) | CN210613634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113885448A (en) * | 2021-09-08 | 2022-01-04 | 浙江荣凯科技发展股份有限公司 | Chemical production control system based on Internet of things platform |
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2019
- 2019-09-30 CN CN201921652700.3U patent/CN210613634U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113885448A (en) * | 2021-09-08 | 2022-01-04 | 浙江荣凯科技发展股份有限公司 | Chemical production control system based on Internet of things platform |
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