CN212167329U - Automatic system for preparing polymerization emulsifier under positive pressure in production of polyvinyl chloride paste resin - Google Patents
Automatic system for preparing polymerization emulsifier under positive pressure in production of polyvinyl chloride paste resin Download PDFInfo
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- CN212167329U CN212167329U CN202020230995.1U CN202020230995U CN212167329U CN 212167329 U CN212167329 U CN 212167329U CN 202020230995 U CN202020230995 U CN 202020230995U CN 212167329 U CN212167329 U CN 212167329U
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Abstract
The utility model relates to an automatic system for positive pressure preparation of polymerization emulsifier in the production of polyvinyl chloride paste resin, which comprises an air supply mechanism, a material storage mechanism and a batching mechanism which are connected in sequence; the air supply mechanism comprises a Roots blower (1) and a cooler (2) which are connected in sequence; the storage mechanism comprises a feeding device I, an emulsifier storage tank (14) and a control valve b (12) which are sequentially connected with the air supply mechanism; the batching mechanism comprises a metering tank I (11), a feeding device II and a batching tank (7) which are sequentially connected with a control valve b (12); the top of the proportioning tank (7) is provided with a hot air exhaust fan (8). The utility model discloses an adopt malleation automatic system to dispose polymerization emulsifier, realized that paste resin emulsifier is automatic reinforced, reduced reinforced deviation, reduced staff's intensity of labour. The utility model discloses can extensively be applicable to in the polyvinyl chloride pastes resin production process.
Description
Technical Field
The utility model relates to a chemical industry technical field, especially a malleation configuration polymerization emulsifier's automatic system in polyvinyl chloride paste resin production.
Background
Polyvinyl chloride paste resin is a branch of polyvinyl chloride resin and is named after its highly dispersible powder for paste processing. The paste resin is widely applied to PVC gloves, clothing leather, luggage leather, PVC automobile foot pads, foamed floor leather, wallpaper, industrial product conveyor belts, plastic runways, automobile decorative leather, plastic-coated screen windows, industrial cloth and the like. With the continuous development of national economy and the continuous improvement of the living standard of people in China and the continuous deepening of the application and development of the paste resin, the demand of the domestic market for the paste resin has larger development space, and the paste resin has large consumption potential particularly in the aspects of automobiles, buildings, electronics, coatings and the like.
The production process of the polyvinyl chloride paste resin is complex, and the types and components of the used additives in the production process are various. The paste resin is mainly obtained by carrying out micro-suspension polymerization on an initiator, an emulsifier and a vinyl chloride monomer under certain conditions. The emulsifier is one of the main raw materials for paste resin production, mainly reduces the interfacial tension between vinyl chloride monomer and water, adsorbs on the surface of vinyl chloride monomer oil droplets, and enables latex particles to be stably suspended in water without gathering and linking in the polymerization process. The emulsifier is actually one or a combination of surfactants, and is often a solid powdery material, so that the emulsifier is deteriorated if the temperature, humidity, pH value, stirring and the like are changed in the storage, weighing and transportation processes of the emulsifier. If absorbing water, the emulsifier will stick to the inner side of the pipeline and equipment wall, or the material will be agglomerated and bridged, even if the wind pressure is increased, it will be difficult to break it up, and eliminate the bridging or station sticking. Meanwhile, the addition amount of the emulsifier is reduced or the emulsifier is deteriorated, so that the stability of a vinyl chloride monomer micro-suspension polymerization water emulsion system is damaged, the material is in an unstable vanishing cream state, and further serious production accidents are caused.
In the prior art, the emulsifier feeding is mainly manual feeding, emulsifier dust is in direct contact with a human body in the air, the deviation of the manual feeding amount is large, and accurate and quantitative feeding cannot be realized. With the increase of industrial scale and the upgrading and modification of products, the problem that the emulsifier is quantitatively fed into the kettle becomes more and more obvious, and the accurate quantitative feeding of the polyvinyl chloride paste resin additive into the industry needs to be further promoted for upgrading.
Disclosure of Invention
In order to solve the technical problem, the utility model provides an automatic system of malleation configuration polymerization emulsifier in polyvinyl chloride paste resin production. Through realizing the accurate automatic reinforced of paste resin emulsifier, reduce reinforced deviation, reduce personnel's intensity of labour, improve paste resin production degree of automation.
The utility model provides a technical scheme that its technical problem adopted is: an automatic system for preparing a polymerization emulsifier under positive pressure in the production of polyvinyl chloride paste resin is characterized in that: comprises an air supply mechanism, a material storage mechanism and a batching mechanism which are connected in sequence; a cooler (2) is arranged between the air supply mechanism and the material storage mechanism; the air supply mechanism comprises a Roots blower (1) and a cooler (2) which are connected in sequence; the storage mechanism comprises a feeding device I, an emulsifier storage tank (14) and a control valve b (12) which are sequentially connected with the air supply mechanism; the batching mechanism comprises a metering tank I (11), a feeding device II and a batching tank (7) which are sequentially connected with a control valve b (12); the top of the proportioning tank (7) is provided with a hot air exhaust fan (8).
The automatic system for preparing the polymeric emulsifier under positive pressure in the production of the polyvinyl chloride paste resin is characterized in that a feeding device I is a combination of a feeding tank (16), a control valve a (17) and a discharging manifold II (18) which are connected in sequence.
The automatic system for preparing the polymerization emulsifier under positive pressure in the production of the polyvinyl chloride paste resin is characterized in that a bag filter I (15) is arranged above an emulsifier storage tank (14).
The automatic system for preparing the polymerization emulsifier under positive pressure in the production of the polyvinyl chloride paste resin is characterized in that a gate valve (13) is arranged between an emulsifier storage tank (14) and a control valve b (12).
The automatic system for preparing the polymeric emulsifier under positive pressure in the production of the polyvinyl chloride paste resin comprises a feeding device II, a metering tank I (11), and a hopper (4), a control valve c (5) and a feeding manifold I (6) which are sequentially connected.
The automatic system for preparing the polymerization emulsifier under positive pressure in the production of the polyvinyl chloride paste resin is characterized in that a metering tank II (9) is arranged between a feeding device II and a batching tank (7).
The automatic system for preparing the polymeric emulsifier under positive pressure in the production of the polyvinyl chloride paste resin is characterized in that a bag filter II (10) is arranged above the metering tank II (9).
The automatic system for preparing the polymerization emulsifier under positive pressure in the production of the polyvinyl chloride paste resin is characterized in that a dust removal device is arranged at the outlet of a hot gas exhaust fan (8).
The automatic system for preparing the polymerization emulsifier under positive pressure in the production of the polyvinyl chloride paste resin can be provided with at least two groups of material storage mechanisms and material mixing mechanisms according to the use type of the emulsifier and the amount of the materials to be mixed; this system adopts DCS controlling means to carry out automated control.
The automatic system for preparing the polymeric emulsifier by positive pressure in the production of the polyvinyl chloride paste resin is characterized in that the control valve a, the control valve b and the control valve c are lower rotary valves.
Compared with the prior art, the utility model provides an automatic system for positive pressure configuration of polymerization emulsifier in polyvinyl chloride paste resin production, on one hand, because the emulsifier is solid powdery material, in the processes of storage, weighing and configuration, the emulsifier is susceptible to deterioration caused by factors such as temperature, humidity, pH value and stirring, and further influences the quality of paste resin products; on the other hand, in the current manual feeding mode, the feeding quantity deviation is large, the product quality is influenced, and the labor intensity of manual feeding is large. The utility model discloses an adopt malleation automatic system to dispose polymerization emulsifier, not only realize pasting the automatic accurate reinforced of resin emulsifier, reduced reinforced deviation, reduced staff's intensity of labour moreover. The utility model discloses can extensively be applicable to in the polyvinyl chloride pastes resin production process.
Drawings
Fig. 1 is a schematic diagram of the system of the present invention.
In fig. 1: the device comprises a Roots blower 1, a cooler 2, a filter 3, a hopper 4, a control valve c 5, a discharge manifold 6, a proportioning tank 7, a hot gas exhaust blower 8, a metering tank II 9, a bag filter II 10, a metering tank I11, a control valve b 12, a gate valve 13, an emulsifier storage tank 14, a bag filter I15, a feed tank 16, a control valve a 17 and a discharge manifold II 18.
Detailed Description
As shown in fig. 1, an automatic system for preparing polymeric emulsifier under positive pressure in the production of polyvinyl chloride paste resin comprises an air supply mechanism, a material storage mechanism and a batching mechanism which are connected in sequence; the air supply mechanism comprises a Roots blower (1) and a cooler (2) which are connected in sequence; the storage mechanism comprises a feeding device I, an emulsifier storage tank (14) and a control valve b (12) which are sequentially connected with the air supply mechanism; the batching mechanism comprises a metering tank I (11), a feeding device II and a batching tank (7) which are sequentially connected with a control valve b (12); the top of the proportioning tank (7) is provided with a hot air exhaust fan (8).
The difference of another embodiment is that the feeding device I is a combination of a feeding tank (16), a control valve a (17) and a discharging manifold II (18) which are connected in sequence.
The difference of another embodiment is that a bag filter I (15) is arranged above the emulsifier storage tank (14).
Another embodiment differs in that it provides a gate valve (13) between the emulsifier tank (14) and the control valve b (12).
The difference of another embodiment is that the feeding device II comprises a hopper (4), a control valve c (5) and a feeding manifold I (6) which are sequentially connected with a metering tank I (11).
Another embodiment is different in that a metering tank II (9) is arranged between the feeding device II and the batching trough (7).
Another embodiment is different in that a bag filter II (10) is arranged above the metering tank II (9).
The other embodiment is different in that a dust removing device is arranged at the outlet of the hot air exhaust fan (8).
Another embodiment is different in that at least two groups of material storing mechanisms and material mixing mechanisms can be arranged according to the using type of the emulsifying agent and the amount of the material mixing; this system adopts DCS controlling means to carry out automated control.
The difference of another embodiment is that the control valve a, the control valve b and the control valve c are lower rotary valves.
The difference of another embodiment is that the process flow of the utility model is as follows: three to four emulsifiers are required in the production process of the paste resin and are separately stored in different storage tanks. The emulsifier storage process is roughly as follows: and (3) starting a Roots blower, introducing the emulsifier into a feeding system from a lower platform through a feeding tank, introducing the emulsifier into a discharging manifold through a rotary valve, conveying the emulsifier to a corresponding emulsifier storage tank through positive pressure air, carrying out gas-solid separation by using a bag filter on the emulsifier storage tank, and introducing the solid emulsifier into the emulsifier storage tank. And (3) emulsifier batching flow: the required emulsifier A, B, C or D was determined. The corresponding storage tank lower metering tank and the corresponding batching tank are provided with rechecking metering tanks, and the rechecking metering tanks are weighed twice and enter the batching tank. The lower gate valve and the rotary discharging valve of the emulsifier storage tank are opened pneumatically, the emulsifier enters the metering tank to be weighed for the first time, cold air is conveyed to the metering tank on the batching tank through the lower weighing valve of the metering tank to be weighed for the second time, the error of the weighing result of the two times is within a specified value, the lower rotary valve of the metering tank is opened and rechecked, and the emulsifier is conveyed into the batching tank. And opening the hot gas discharge fan of the batching tank to discharge the hot gas in the batching tank. When the emulsifier batching program is started, the program for preparing the required water is started at the same time, the formula amount of the hot pure water is input, whether the temperature of the hot water tank reaches the formula value or not is detected, the main pump of the hot pure water pump is started, the formula amount is reached, and the water inlet valve of the hot pure water pump is closed. When the emulsifier and the water are weighed, starting a preparation procedure of the emulsifier batching tank to prepare the emulsifier.
Claims (10)
1. An automatic system for preparing a polymerization emulsifier under positive pressure in the production of polyvinyl chloride paste resin is characterized in that: comprises an air supply mechanism, a material storage mechanism and a batching mechanism which are connected in sequence; a cooler (2) is arranged between the air supply mechanism and the material storage mechanism;
the air supply mechanism comprises a Roots blower (1);
the storage mechanism comprises a feeding device I, an emulsifier storage tank (14) and a control valve b (12) which are sequentially connected with the air supply mechanism;
the batching mechanism comprises a metering tank I (11), a feeding device II and a batching tank (7) which are sequentially connected with a control valve b (12); the top of the proportioning tank (7) is provided with a hot air exhaust fan (8).
2. The automated system for positive pressure deployment of polymeric emulsifiers in the production of polyvinyl chloride paste resins according to claim 1, characterized in that: the feeding device I is a combination of a feeding tank (16), a control valve a (17) and a discharging manifold II (18) which are connected in sequence.
3. The automated system for positive pressure deployment of polymeric emulsifiers in the production of polyvinyl chloride paste resins according to claim 1, characterized in that: a bag filter I (15) is arranged above the emulsifier storage tank (14).
4. The automated system for positive pressure deployment of polymeric emulsifiers in the production of polyvinyl chloride paste resins according to claim 1, characterized in that: a gate valve (13) is arranged between the emulsifier storage tank (14) and the control valve b (12).
5. The automated system for positive pressure deployment of polymeric emulsifiers in the production of polyvinyl chloride paste resins according to claim 1, characterized in that: the feeding device II comprises a hopper (4), a control valve c (5) and a discharging manifold I (6), wherein the hopper (4), the control valve c (5) and the discharging manifold I (11) are sequentially connected with the metering tank I (11).
6. The automated system for positive pressure deployment of polymeric emulsifiers in the production of polyvinyl chloride paste resins according to claim 1, characterized in that: and a metering tank II (9) is arranged between the feeding device II and the batching tank (7).
7. The automated system for positive pressure deployment of polymeric emulsifiers in the production of polyvinyl chloride paste resins according to claim 1, characterized in that: and a bag filter II (10) is arranged above the metering tank II (9).
8. An automated system for positive pressure deployment of polymeric emulsifiers in the production of polyvinyl chloride paste resins according to any of claims 1 to 7, characterized in that: a dust removal device is arranged at the outlet of the hot gas exhaust fan (8).
9. The automated system for positive pressure deployment of polymeric emulsifiers in the production of polyvinyl chloride paste resins according to claim 8, characterized in that: at least two groups of material storage mechanisms and material distribution mechanisms can be arranged according to the use type of the emulsifying agent and the amount of the material distribution; this system adopts DCS controlling means to carry out automated control.
10. The automated system for positive pressure deployment of polymeric emulsifiers in the production of polyvinyl chloride paste resins according to claim 9, characterized in that: the control valve a, the control valve b and the control valve c are lower rotary valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020230995.1U CN212167329U (en) | 2020-03-01 | 2020-03-01 | Automatic system for preparing polymerization emulsifier under positive pressure in production of polyvinyl chloride paste resin |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020230995.1U CN212167329U (en) | 2020-03-01 | 2020-03-01 | Automatic system for preparing polymerization emulsifier under positive pressure in production of polyvinyl chloride paste resin |
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| CN212167329U true CN212167329U (en) | 2020-12-18 |
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| CN202020230995.1U Active CN212167329U (en) | 2020-03-01 | 2020-03-01 | Automatic system for preparing polymerization emulsifier under positive pressure in production of polyvinyl chloride paste resin |
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