CN209531120U - A kind of flow delivery systems for PVC paste production of resins system - Google Patents
A kind of flow delivery systems for PVC paste production of resins system Download PDFInfo
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- CN209531120U CN209531120U CN201920152694.9U CN201920152694U CN209531120U CN 209531120 U CN209531120 U CN 209531120U CN 201920152694 U CN201920152694 U CN 201920152694U CN 209531120 U CN209531120 U CN 209531120U
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Abstract
The utility model discloses a kind of flow delivery systems for PVC paste production of resins system comprising first-class heat exchanger, secondary heat exchanger and airslide conveyor.Advantage: the conveying of paste the tree powder body is carried out after heating using the condensed water that drying unit is discharged to air-flow again, the temperature of delivery air can be improved, and then solve the technical problem that paste the tree powder body volume is unstable caused by low temperature conveying, guarantee the normal work and later period packaging of grinder, guarantee the consistency of product specification, is conducive to sale;Meanwhile the condensed water of secondary heat exchanger output preheats the air for entering first-class heat exchanger, and the entrance temperature of air can be improved, and reduces steam consumption, reaches energy-efficient purpose;In addition, the condensed water that secondary heat exchanger is sent out can be used as the flushing water of polymerized unit, the utilization rate of water resource is improved.
Description
Technical field:
The utility model relates to paste production of resins system, relate in particular to a kind of for PVC paste production of resins system
Flow delivery systems.
Background technique:
It is as its name suggests that such resin is mainly applied so that paste forms are made that polyvinyl chloride (PVC), which pastes resin, Ren Menchang
It is referred to as plasticized paste with such paste, is a kind of unique liquid form of the igelite under rough.Welvic
The main preparation methods of resin are microsuspending methods, generally comprise polymerized unit, sieve unit, drying unit, grinding unit process
It is made.Wherein, drying unit mainly utilizes pneumatic conveying drying, i.e. air is sent into heat exchanger by air pump, while being sent into heat exchanger
Enter steam, be sent into drying tower after the heat of steam is absorbed in heat exchanger, liquid paste resin is dried using high temperature gas flow,
Powder after drying is sent to grinding unit using airslide conveyor and carries out further milled processed;The above process is asked there are following
Topic: airslide conveyor directly conveys paste toner using air stream, and grinder needs to stablize charging, if charging is unstable
Fixed, inlet amount is too big, then grinder is easy stop jumping, influences particle diameter;Charging is very little, and corase particles are more, the flowing of PVC paste resin
Property is poorer;But influence of the bulk & form vulnerable to environment temperature of the tree powder body is pasted, especially in cold winter, environment temperature
Degree generally be lower than 0 DEG C, directly using low-temperature airflow carry out paste the tree powder body conveying will lead to paste the tree powder body volume it is unstable,
The normal work and later period packaging for influencing grinder, cause the product specification produced inconsistent, are unfavorable for selling.
Utility model content:
The purpose of this utility model is to provide a kind of flow delivery systems for PVC paste production of resins system, with solution
Certainly above-mentioned technical problem.
The utility model is implemented by following technical solution: a kind of flow delivery systems for PVC paste production of resins system,
It includes first-class heat exchanger, secondary heat exchanger and airslide conveyor, and the refrigerant inlet of the first-class heat exchanger passes through pipeline and gas
The outlet of pump, the refrigerant exit of the first-class heat exchanger are connected to the air inlet of drying tower, the heat of the first-class heat exchanger
Matchmaker's entrance is connected to vapour source, and the heating agent outlet of the first-class heat exchanger is connected to the heating agent entrance of the secondary heat exchanger, institute
The refrigerant inlet for stating secondary heat exchanger is connected to air inlet pipe, the refrigerant exit of the secondary heat exchanger and the airslide conveyor
Air inlet connection.
Further, the heating agent outlet of the secondary heat exchanger is rinsed water inlet with the polymeric kettle of polymerized unit and is connected to.
Further, the pipeline outer cover between the refrigerant inlet of the first-class heat exchanger and the air pump entrance is equipped with
Water jacket, the inlet communication of the heating agent outlet and the water jacket of the secondary heat exchanger.
Further, the refrigerant exit of the first-class heat exchanger is connected to the air inlet pipe.
The advantages of the utility model: paste resin is carried out again after heating using the condensed water that drying unit is discharged to air-flow
The temperature of delivery air can be improved in the conveying of powder, and then it is unstable to solve paste the tree powder body volume caused by low temperature conveying
Technical problem, and then guarantee the stability of grinder inlet amount, to guarantee particle diameter and later period packaging, guarantee product rule
The consistency of lattice is conducive to sale;Meanwhile the condensed water of secondary heat exchanger output carries out in advance the air for entering first-class heat exchanger
The entrance temperature of air can be improved in heat, reduces steam consumption, reaches energy-efficient purpose;In addition, secondary heat exchanger submitting is cold
Condensate can be used as the flushing water of polymerized unit, improve the utilization rate of water resource.
Detailed description of the invention:
Fig. 1 is the overall structure diagram of the utility model.
First-class heat exchanger 1, secondary heat exchanger 2, airslide conveyor 3, pipeline 4, air pump 5, drying tower 6, vapour source 7, air inlet
Pipe 8, polymeric kettle 9, water jacket 10.
Specific embodiment:
As shown in Figure 1, a kind of flow delivery systems for PVC paste production of resins system comprising first-class heat exchanger 1,
Secondary heat exchanger 2 and airslide conveyor 3, the refrigerant inlet of first-class heat exchanger 1 by pipeline 4 and 5 outlet of air pump, change by level-one
The refrigerant exit of hot device 1 is connected to the air inlet of drying tower 6, and the heating agent entrance of first-class heat exchanger 1 is connected to vapour source 7, level-one
The heating agent outlet of heat exchanger 1 is connected to the heating agent entrance of secondary heat exchanger 2, and the refrigerant inlet and air inlet pipe 8 of secondary heat exchanger 2 connect
Logical, the refrigerant exit of secondary heat exchanger 2 is connected to the air inlet of airslide conveyor 3;The steam and air pump 5 that vapour source 7 is sent pump
The air sent exchanges heat in first-class heat exchanger 1, and the air after heat exchange enters drying tower 6, and the steam condensation after heat exchange is condensation
Water, condensed water enters secondary heat exchanger 2, while the air that airslide conveyor 3 aspirates enters in secondary heat exchanger 2 through air inlet pipe 8,
Heat temperature raising is carried out using the air-flow that the condensed water of drying unit output conveys paste the tree powder body to airslide conveyor 3, solves ring
The unstable problem of paste the tree powder body volume caused by border temperature is too low, and then guarantee the packet in the normal work meter later period of grinder
Dress, guarantees that the specification of product is consistent, in favor of sale, guarantees economic benefit;
The refrigerant exit of first-class heat exchanger 1 is connected to air inlet pipe 8, and the fraction after level-one exchanges heat enters secondary heat exchange
Device 2 carries out secondary heat exchange;
The heating agent outlet of secondary heat exchanger 2 is rinsed water inlet with the polymeric kettle 9 of polymerized unit and is connected to, and secondary heat exchanger 2 is sent
Condensed water out is further fed into polymeric kettle 9, and the flushing water as polymeric kettle 9 improves the utilization rate of water resource;
4 outer cover of pipeline between 5 entrance of refrigerant inlet and air pump of first-class heat exchanger 1 is equipped with water jacket 10, and second level is changed
The inlet communication of the heating agent outlet and water jacket 10 of hot device 2;The condensed water that secondary heat exchanger 2 is sent out enters water jacket 10, so into
Enter the air in first-class heat exchanger 1 and carry out the entrance temperature that preheating improves air, reduces the investment of steam, reach energy-efficient mesh
's.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (4)
1. a kind of flow delivery systems for PVC paste production of resins system, which is characterized in that it includes first-class heat exchanger, two
Grade heat exchanger and airslide conveyor, the refrigerant inlet of the first-class heat exchanger pass through the outlet of pipeline and air pump, and described one
The refrigerant exit of grade heat exchanger is connected to the air inlet of drying tower, and the heating agent entrance of the first-class heat exchanger is connected to vapour source,
The heating agent outlet of the first-class heat exchanger is connected to the heating agent entrance of the secondary heat exchanger, and the refrigerant of the secondary heat exchanger enters
Mouth is connected to air inlet pipe, and the refrigerant exit of the secondary heat exchanger is connected to the air inlet of the airslide conveyor.
2. a kind of flow delivery systems for PVC paste production of resins system according to claim 1, which is characterized in that
The heating agent outlet of the secondary heat exchanger is rinsed water inlet with the polymeric kettle of polymerized unit and is connected to.
3. according to claim 1 or a kind of 2 any flow delivery systems for PVC paste production of resins system, special
Sign is that the pipeline outer cover between the refrigerant inlet and the air pump entrance of the first-class heat exchanger is equipped with water jacket, described
The inlet communication of the heating agent outlet and the water jacket of secondary heat exchanger.
4. according to claim 1 or a kind of 2 any flow delivery systems for PVC paste production of resins system, special
Sign is that the refrigerant exit of the first-class heat exchanger is connected to the air inlet pipe.
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CN201920152694.9U CN209531120U (en) | 2019-01-28 | 2019-01-28 | A kind of flow delivery systems for PVC paste production of resins system |
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CN201920152694.9U CN209531120U (en) | 2019-01-28 | 2019-01-28 | A kind of flow delivery systems for PVC paste production of resins system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111623342A (en) * | 2020-06-05 | 2020-09-04 | 山东朗晖石油化学股份有限公司 | System for utilizing PVC production steam condensate step by step |
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2019
- 2019-01-28 CN CN201920152694.9U patent/CN209531120U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111623342A (en) * | 2020-06-05 | 2020-09-04 | 山东朗晖石油化学股份有限公司 | System for utilizing PVC production steam condensate step by step |
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Effective date of registration: 20230224 Address after: 750336 Wulanbuhe street, Alxa Economic Development Zone, Alxa League, Inner Mongolia Autonomous Region Patentee after: CNSG JILANTAI CHLOR ALKALI CHEMICAL CO.,LTD. Patentee after: China Salt Inner Mongolia Chemical Co.,Ltd. Address before: 750336 Bali Miao Zhongyan Science and Technology Building, Alxa League Economic Development Zone, Inner Mongolia Autonomous Region Patentee before: China Salt Jilantai polymer materials Co.,Ltd. |