CN211537685U - Automatic feeding device for anti-sticking kettle agent in polymerization production of polyvinyl chloride resin by bulk method - Google Patents
Automatic feeding device for anti-sticking kettle agent in polymerization production of polyvinyl chloride resin by bulk method Download PDFInfo
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- CN211537685U CN211537685U CN201922198832.XU CN201922198832U CN211537685U CN 211537685 U CN211537685 U CN 211537685U CN 201922198832 U CN201922198832 U CN 201922198832U CN 211537685 U CN211537685 U CN 211537685U
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Abstract
The utility model relates to a polyvinyl chloride resin production technical field is an automatic feeding device of antiseized cauldron agent in polyvinyl chloride resin body method polymerization production, it includes the nitric acid storage tank, the nitric acid weighing tank, weighing module, the switch board, fixed intercommunication has nitric acid weighing tank feed line between the import of nitric acid storage tank bottom export and nitric acid weighing tank upper portion, nitric acid weighing tank top fixed mounting has weighing module, the fixed intercommunication of nitric acid weighing tank bottom has nitric acid discharge pipeline, the fixed intercommunication of nitric acid discharge pipeline export has more than one nitric acid ejection of compact branch pipe, every ejection of compact instrument valve signal input is connected with the all the other signal output part electricity of switch board. The utility model has the advantages of reasonable and compact structure, convenient to use, it can realize the automatic control of antiseized cauldron agent nitric acid "a key" automatic weighing, reinforced operation, has both reduced the reinforced problem that increases personnel intensity of labour of manual work, has eliminated the safe risk that antiseized cauldron agent leaks easily personnel and corrosion apparatus that burn outward again.
Description
Technical Field
The utility model relates to a polyvinyl chloride resin production technical field is an antiseized automatic feeding device of cauldron agent in polyvinyl chloride resin bulk polymerization production.
Background
At present, the sticking of reaction kettles (prepolymerization kettles and polymerization kettles) in a mass polyvinyl chloride special resin production device is a key problem which restricts the production capacity of the device and influences the improvement of the product quality. In order to effectively solve the problem of kettle sticking of the reaction kettle, through the years of attempts of professional technicians in the domestic polyvinyl chloride industry, low-concentration nitric acid is used as an anti-sticking kettle agent, and the method becomes the most effective method for the anti-sticking kettle technology of the prepolymerization kettle and the polymerization kettle of the bulk method. However, dilute nitric acid belongs to strong corrosive liquid, the nitric acid with the formula amount needs to be manually weighed and poured into a feeding funnel every time in the production process, the labor intensity of field operators is increased through manual operation, the frequent manual feeding operation is inevitable to cause the leakage of the nitric acid due to misoperation, and the risk of burning the operators and corroding equipment exists.
Disclosure of Invention
The utility model provides an antiseized automatic feeding device of cauldron agent in polyvinyl chloride resin body method polymerization production has overcome above-mentioned prior art not enough, and it can effectively solve antiseized cauldron agent existence manual feeding intensity of labour big in the current polyvinyl chloride resin body method polymerization production, and antiseized cauldron agent leaks the problem that operating personnel and corrosion apparatus easily burn outward.
The technical scheme of the utility model is realized through following measure: an automatic feeding device for anti-sticking agent in polyvinyl chloride resin bulk polymerization production comprises a nitric acid storage tank, a nitric acid weighing tank, a weighing module and a control cabinet, wherein the top of the nitric acid storage tank is provided with an inlet of the nitric acid storage tank, a feeding pipeline of the nitric acid weighing tank is fixedly communicated between an outlet at the bottom of the nitric acid storage tank and an inlet at the upper part of the nitric acid weighing tank, the top of the nitric acid weighing tank is fixedly provided with the weighing module, the bottom of the nitric acid weighing tank is fixedly communicated with a nitric acid discharging pipeline, an outlet of the nitric acid discharging pipeline is fixedly communicated with more than one nitric acid discharging branch pipe, a feeding instrument valve is fixedly arranged on the feeding pipeline of the nitric acid weighing tank, a discharging instrument valve is fixedly arranged on each nitric acid discharging branch pipe, the signal input end of the feeding instrument valve is electrically connected with a first signal output end of the control cabinet, the, and the signal input end of each discharging instrument valve is electrically connected with the rest signal output ends of the control cabinet.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the top of the weighing module is fixedly connected with a steel frame which can enable the weighing module and the nitric acid weighing tank to be suspended.
The weighing module is an anti-explosion bucket hanging scale, and the model of the anti-explosion bucket hanging scale is TSC-50X Mettler-Tollido.
The control cabinet is a DCS control system, and the model of the DCS control system is a river CENTUM VP.
The utility model has the advantages of reasonable and compact structure, convenient to use, it can realize the automatic control of antiseized cauldron agent nitric acid "a key" automatic weighing, reinforced operation, has both reduced the reinforced problem that increases personnel intensity of labour of manual work, has eliminated the safe risk that antiseized cauldron agent leaks easily personnel and corrosion apparatus that burn outward again.
Drawings
FIG. 1 is a schematic process flow diagram of the preferred embodiment of the present invention.
The codes in the figures are respectively: 1 is the nitric acid storage tank, 2 is the nitric acid weighing tank, 3 is weighing module, 4 is nitric acid weighing tank feed line, 5 is the nitric acid ejection of compact pipeline, 6 is nitric acid ejection of compact branch pipe, 7 is the switch board, 8 is the feeding instrument valve, 9 is ejection of compact instrument valve, 10 is the steelframe.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in figure 1, the automatic feeding device for the anti-sticking agent in the polymerization production of the polyvinyl chloride resin by the bulk method comprises a nitric acid storage tank 1, a nitric acid weighing tank 2, a weighing module 3 and a control cabinet 7, wherein the top of the nitric acid storage tank 1 is provided with a nitric acid storage tank inlet, a nitric acid weighing tank feeding pipeline 4 is fixedly communicated between an outlet at the bottom of the nitric acid storage tank 1 and an inlet at the upper part of the nitric acid weighing tank 2, the top of the nitric acid weighing tank 2 is fixedly provided with the weighing module 3, the bottom of the nitric acid weighing tank 2 is fixedly communicated with a nitric acid discharging pipeline 5, the outlet of the nitric acid discharging pipeline 5 is fixedly communicated with more than one nitric acid discharging branch pipe 6, a feeding instrument valve 8 is fixedly arranged on the nitric acid weighing tank feeding pipeline 4, a discharging instrument valve 9 is fixedly arranged on each nitric acid discharging branch pipe 6, the signal input end of the feeding instrument valve 8 is electrically connected with a first, the signal output end of the weighing module 3 is electrically connected with the signal input end of the control cabinet 7, and the signal input end of each discharging instrument valve 9 is electrically connected with the rest signal output ends of the control cabinet 7.
In the prior art, the kettle adhesion preventing agent in the polymerization production of the polyvinyl chloride resin by the bulk method is carried out in a manual feeding mode, when more equipment needs to be fed, the labor intensity of manual feeding is higher, the kettle adhesion preventing agent nitric acid has strong corrosivity, the danger of burning of the nitric acid exists in manual feeding, and equipment corrosion is easily caused once the nitric acid leaks; the utility model discloses in to automatic feeding device replaces artifical reinforced, changes the reinforced operation of artifical open-type into the intelligent reinforced operation of procedure closed, can realize that the automation of antiseized cauldron agent is weighed, reinforced, has reduced personnel intensity of labour, has eliminated antiseized cauldron agent and has leaked outward and cause the risk that personnel burn and equipment corrodes, and device easy operation practices thrift the manpower, and economy is effective.
The automatic feeding device for the anti-sticking kettle agent in the polymerization production of the polyvinyl chloride resin by the bulk method can be further optimized or/and improved according to actual needs:
as shown in the attached figure 1, the top of the weighing module 3 is fixedly connected with a steel frame 10 which can enable the weighing module 3 and the nitric acid weighing tank 2 to be suspended.
As shown in the attached figure 1, the weighing module 3 is an anti-explosion bucket steelyard, and the model of the anti-explosion bucket steelyard is TSC-50X Mettler-Tolyduo.
As shown in fig. 1, the control cabinet 7 is a DCS control system, which is a river type CENTUM VP.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
The utility model discloses best embodiment's use: when the anti-sticking agent needs to be weighed and fed in the polymerization production of the polyvinyl chloride resin by the bulk method, the control cabinet 7 transmits signals to the feeding instrument valve 8 and the weighing module 3, the feeding instrument valve 8 is opened after the signals of the control cabinet 7 are received, nitric acid in the nitric acid storage tank 1 flows into the nitric acid weighing tank 2 through the nitric acid weighing tank feeding pipeline 4, the weighing module 3 begins to weigh the nitric acid entering the nitric acid weighing tank 2, the weighing module 3 transmits the signals to the control cabinet 7 after weighing, the control cabinet 7 transmits the signals to the feeding instrument valve 8 after receiving the signals of the weighing module 3, the feeding instrument valve 8 is closed after receiving the signals of the control cabinet 7, the weighed nitric acid in the nitric acid weighing tank 3 is in a standby state at the moment, when the nitric acid needs to be added in the polymerization production of the polyvinyl chloride resin by the bulk method, the control cabinet 7 transmits the signals to the discharging instrument valve 9, and the discharging instrument valve 9 is opened after, nitric acid in the nitric acid weighing tank 3 flows to the nitric acid discharging branch pipe 6 through the nitric acid discharging pipeline 5 to complete feeding.
Claims (5)
1. An automatic feeding device for anti-sticking agent in polyvinyl chloride resin bulk polymerization production is characterized by comprising a nitric acid storage tank, a nitric acid weighing tank, a weighing module and a control cabinet, wherein the top of the nitric acid storage tank is provided with an inlet of the nitric acid storage tank, a feeding pipeline of the nitric acid weighing tank is fixedly communicated between an outlet at the bottom of the nitric acid storage tank and an inlet at the upper part of the nitric acid weighing tank, the top of the nitric acid weighing tank is fixedly provided with the weighing module, the bottom of the nitric acid weighing tank is fixedly communicated with a nitric acid discharging pipeline, the outlet of the nitric acid discharging pipeline is fixedly communicated with more than one nitric acid discharging branch pipe, a feeding instrument valve is fixedly arranged on the feeding pipeline of the nitric acid weighing tank, a discharging instrument valve is fixedly arranged on each nitric acid discharging branch pipe, the signal input end of the feeding instrument valve is electrically connected with a first signal output end of the control cabinet, the, and the signal input end of each discharging instrument valve is electrically connected with the rest signal output ends of the control cabinet.
2. The automatic feeding device of the anti-sticking agent in the polymerization production of the polyvinyl chloride resin by the bulk method is characterized in that the top of the weighing module is fixedly connected with a steel frame which can suspend the weighing module and the nitric acid weighing tank.
3. The automatic feeding device of the anti-sticking agent in the polymerization production of the polyvinyl chloride resin by the bulk method according to claim 1 or 2, wherein the weighing module is an anti-explosion bucket steelyard, and the type of the anti-explosion bucket steelyard is TSC-50X Mettler-Toledo.
4. The automatic feeding device of the anti-sticking agent in the polymerization production of the polyvinyl chloride resin by the bulk method according to claim 1 or 2, wherein the control cabinet is a DCS control system, and the model of the DCS control system is the river CENTUM VP.
5. The automatic feeding device of the anti-sticking agent in the polymerization production of the polyvinyl chloride resin by the bulk method is characterized in that the control cabinet is a DCS control system, and the model of the DCS control system is the river CENTUM VP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922198832.XU CN211537685U (en) | 2019-12-10 | 2019-12-10 | Automatic feeding device for anti-sticking kettle agent in polymerization production of polyvinyl chloride resin by bulk method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922198832.XU CN211537685U (en) | 2019-12-10 | 2019-12-10 | Automatic feeding device for anti-sticking kettle agent in polymerization production of polyvinyl chloride resin by bulk method |
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| CN211537685U true CN211537685U (en) | 2020-09-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116836493A (en) * | 2023-08-02 | 2023-10-03 | 山东华能线缆有限公司 | Polymer composite material for cables and preparation method thereof |
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2019
- 2019-12-10 CN CN201922198832.XU patent/CN211537685U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116836493A (en) * | 2023-08-02 | 2023-10-03 | 山东华能线缆有限公司 | Polymer composite material for cables and preparation method thereof |
| CN116836493B (en) * | 2023-08-02 | 2024-05-28 | 山东华能线缆有限公司 | Polymer composite material for cables and preparation method thereof |
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