CN208933253U - Production of PVC system - Google Patents
Production of PVC system Download PDFInfo
- Publication number
- CN208933253U CN208933253U CN201821240292.6U CN201821240292U CN208933253U CN 208933253 U CN208933253 U CN 208933253U CN 201821240292 U CN201821240292 U CN 201821240292U CN 208933253 U CN208933253 U CN 208933253U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- pipe
- exchange pipeline
- steam
- production
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000004064 recycling Methods 0.000 claims abstract description 20
- 239000006260 foam Substances 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000010793 Steam injection (oil industry) Methods 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 9
- 239000006210 lotion Substances 0.000 claims abstract description 5
- 238000011084 recovery Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 17
- 239000004800 polyvinyl chloride Substances 0.000 description 17
- 239000011347 resin Substances 0.000 description 12
- 229920005989 resin Polymers 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000000386 athletic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001596 poly (chlorostyrenes) Polymers 0.000 description 1
- -1 polychloroethylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The utility model relates to a kind of Production of PVC systems, including kettle to be polymerized, the polymeric kettle is pumped by pipeline and first pressure, vacuum recycling can, second pressure pump, drying tower, cyclone separator, bag filter, air-introduced machine is sequentially communicated, heating jacket is equipped on the outside of the vacuum recycling can body, the heating jacket is equipped with hot water feeding pipe's line and flowing line, exhaust pipe is equipped at the top of the vacuum recycling can be connected to foam separation tank, the foam fraction factor pot bottom is connected to by lotion recovery pump with vacuum recycling can, the exhaust pipe and the first steam injection pipe, the connection of defoaming agent pipe, the foam fraction factor tank top is equipped with the second steam injection pipe, vacuum pump connecting tube.The utility model can reduce the use of defoaming agent or may be implemented not needing addition defoaming agent, reduce damage of the vinyl chloride discharge to environment.
Description
Technical field
The utility model belongs to PVC Process Technology field, is related to a kind of Production of PVC system.
Background technique
Polyvinyl chloride (PVC) paste resin belongs to a product branch of Corvic, and particle size range generally exists
0.1~2.0 μm (general suspension method resin size distribution is generally at 20~200 μm).PVC pastes resin with its polymolecularity
Powder is processed for thickener and is gained the name, and since it is at paste function admirable, good dispersion property is mainly used in the soft of PVC resin
Material Field.PVC paste resin could be applicable to coating, dipping, spraying, foaming etc. processing technologys, be widely used in artificial leather,
Ornament materials, flooring laminate, wall paper, industrial conveyors, athletic ground, coating, adhesive, toy, disposable medical gloves,
Many materials such as daily ornament materials, electrical instrumentation and electrician tool and arts.Currently, industrial PVC paste resin
Production method mainly have emulsion polymerization, mixing microsuspending method and micro-suspension polymerization etc..Formula mainly has VCM, water, water-soluble
Property initiator and emulsifier.In the production process, can there are remaining monomer, and production process in PVC paste resin solution
Energy consumption it is larger, the product specification produced is low, and high-grade special-purpose polychloroethylene (PVC) paste resin still must be from external import.
Summary of the invention
In order to solve the above technical problems, the utility model provides a kind of Production of PVC system, product matter can be improved
Amount.
The embodiment of the utility model is:
A kind of Production of PVC system, including kettle to be polymerized, the polymeric kettle pass through pipeline and first pressure pump, vacuum
Recycling can, second pressure pump, drying tower, cyclone separator, bag filter, air-introduced machine are sequentially communicated, the vacuum recycling can
Heating jacket is equipped on the outside of can body, the heating jacket is equipped with hot water feeding pipe's line and flowing line, and the vacuum recycles tank deck
Portion is equipped with exhaust pipe and is connected to foam separation tank, and the foam fraction factor pot bottom connects by lotion recovery pump and vacuum recycling can
Logical, the exhaust pipe is connected to the first steam injection pipe, defoaming agent pipe, and the foam fraction factor tank top is sprayed equipped with the second steam
Pipe, vacuum pump connecting tube.
Preferably, it is sequentially communicated at the top of the drying tower by pipeline and heater, air blower, air filter.
It is further preferred that air blower is equipped with dehumidifier between the heater.
It is further preferred that the heater outer wall sets the first heat exchange pipeline, the second heat exchanger tube there are three laid out in parallel
Road, third heat exchange pipeline, second heat exchange pipeline, third heat exchange pipeline steam be passed through end and be connected to steam access tube, institute
State the second heat exchange pipeline, the steam output end of third heat exchange pipeline is passed through by steam runner pipe and the steam of the first heat exchange pipeline
End connection, the steam output end of first heat exchange pipeline connect condensing water conduit, are equipped with sky on the left of first heat exchange pipeline
Gas enters pipe, is equipped at the top of hot-air discharge pipe and drying tower and is connected on the right side of the third heat exchange pipeline.
Preferably, the paddle inside the polymeric kettle is spiral shape.
Preferably, motor is equipped with above the polymeric kettle to connect by transmission mechanism with polymeric kettle.
It is further preferred that the motor is equipped with frequency converter.
The utility model the utility model has the advantages that
1, the utility model is using the setting of vacuum recycling can, foam separation tank by list remaining in PVC paste resin
Body polyvinyl chloride is recycled, and can be reduced the use of defoaming agent or be may be implemented not needing addition defoaming agent, to polychlorostyrene second
Alkene pastes resin and carries out purification processes, enters back into spray dryer and is dried, and reduces vinyl chloride discharge to environment
Damage.
2, the heater outer wall sets that there are three the first heat exchange pipeline of laid out in parallel, the second heat exchange pipeline, third heat exchange
Pipeline, second heat exchange pipeline, third heat exchange pipeline steam be passed through end and be connected to steam access tube, second heat exchanger tube
Road, third heat exchange pipeline steam output end end be passed through by steam runner pipe and the steam of the first heat exchange pipeline be connected to, it is described
The steam output end of first heat exchange pipeline connects condensing water conduit, is equipped with air on the left of first heat exchange pipeline and enters pipe, institute
It states to be equipped on the right side of third heat exchange pipeline at the top of hot-air discharge pipe and drying tower and be connected to.It is excessively high to reduce condensate temperature, exchanges heat
The problem of inefficiency.
3, the paddle inside the polymeric kettle is spiral shape, and the motor is equipped with frequency converter, adjusts the revolving speed of stirring, into
One step reaches control reaction, generates the stable product of quality.
Detailed description of the invention
Fig. 1 the utility model structure diagram；
Fig. 2 heater structure schematic diagram；
Fig. 3 paddle structural schematic diagram；
Wherein: polymeric kettle 1, first pressure pump 2, vacuum recycling can 3, heating jacket 31, hot water feeding pipe's line 311, draining
Pipeline 312, exhaust pipe 32, the first steam injection pipe 33, defoaming agent pipe 34, second pressure pump 4, drying tower 5, heater 51, the
One heat exchange pipeline 511, the second heat exchange pipeline 512, third heat exchange pipeline 513, steam access tube 514, steam runner pipe 515 are cold
Condensate pipeline 516, air enter pipe 517, hot-air discharge pipe 518, air blower 52, air filter 53, dehumidifier 54, whirlwind
Separator 6, bag filter 7, air-introduced machine 8, foam separation tank 9, the second steam injection pipe 91, vacuum pump connecting tube 92, lotion
Recovery pump 10, paddle 11, motor 12, transmission mechanism 13.
Specific embodiment
Further illustrate the utility model below with reference to embodiment, but the range of the requires of the utility model protection not office
It is limited to the range of embodiment statement.
Embodiment 1
A kind of Production of PVC system, including kettle to be polymerized 1, the polymeric kettle 1 by pipeline and first pressure pump 2,
Vacuum recycling can 3, second pressure pump 4, drying tower 5, cyclone separator 6, bag filter 7, air-introduced machine 8 are sequentially communicated, described
Heating jacket 31 is equipped on the outside of 3 can body of vacuum recycling can, the heating jacket 31 is equipped with hot water feeding pipe's line 311 and flowing line
312, it is equipped with exhaust pipe 32 at the top of the vacuum recycling can 3 and is connected to foam separation tank 9,9 bottom of the foam separation tank process
Lotion recovery pump 10 is connected to vacuum recycling can 3, and the exhaust pipe 32 is connected to the first steam injection pipe 33, defoaming agent pipe 34,
The second steam injection pipe 91, vacuum pump connecting tube 92 are equipped at the top of the foam separation tank 9.
Preferably, successively connected by pipeline with heater 51, air blower 52, air filter 53 at the top of the drying tower 5
It is logical.
It is further preferred that 51 outer wall of heater is set, there are three the first heat exchange pipeline 511 of laid out in parallel, second to change
Heat pipeline 512, third heat exchange pipeline 513, second heat exchange pipeline 512, third heat exchange pipeline 513 steam be passed through end and steam
Vapour access tube 514 be connected to, second heat exchange pipeline 512, third heat exchange pipeline 513 steam output end pass through steam runner pipe
515, which are passed through end with the steam of the first heat exchange pipeline 511, is connected to, and the steam output end of first heat exchange pipeline 511 connects condensation
Waterpipe 516 is equipped with air on the left of first heat exchange pipeline 511 and enters pipe 517, sets on the right side of the third heat exchange pipeline 513
Have and is connected at the top of hot-air discharge pipe 518 and drying tower 5.The steam of second heat exchange pipeline 512, third heat exchange pipeline 513
Output end is passed through end by steam runner pipe 515 and the steam of the first heat exchange pipeline 511 and is connected to, by the second heat exchange pipeline 512, the
90 DEG C of condensed waters inside three heat exchange pipelines 513 are drained to the first heat exchange pipeline 511 as air preheater, and heat transfer effect obtains
Improve to very big, effectively increases the heating efficiency of heat exchanger, reduce the consumption of steam, improve the production of drying process
Load.Condensation-water drain temperature is also reduced simultaneously than reducing 40 DEG C before improving.
It is further preferred that air blower is equipped with dehumidifier between the heater, by air elder generation cooling and dehumidification, reheats and use
In spray drying heat source, extend the cleaning cycle of bag filter, is spray-dried operation steady in a long-term, improves yield, overcome
It is easy to be bonded on bag filter since heating air contains moisture bag filter is caused to paste resin in blowback, cloth bag removes
The operting differential pressure of dirt device increases, and needs often to clear up problem brought by bag filter.
Preferably, the paddle 11 inside the polymeric kettle 1 is spiral shape.
Preferably, motor 12 is equipped with above the polymeric kettle 1 to connect by transmission mechanism 13 with polymeric kettle 1.
It is further preferred that the motor 12 is equipped with frequency converter.
When the utility model is used: the internal temperature of heating jacket 31 is maintained at 55-75 DEG C, presses inside vacuum recycling can 3
Power is controlled in 92 mmHg.When foam overflows in foam separation tank 9, superheated steam passes through the second steam injection pipe 91 simultaneously
It is added thereto with the first steam injection pipe 33, after 20 min of steam stripping, recycles polyvinyl chloride monomer.From foam point
Deaeration latex from tank 9 is transferred in vacuum recycling can 3 by second pressure pump 4, circulate operation.After recycling, by dividing
Analysing PVC paste resin emulsion residual monomer concentration is 30 × 10-6, reduce damage of the vinyl chloride discharge to environment.
Preferred embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, several deformations can also be made, improves and substitutes, this
Belong to the protection scope of the utility model.Therefore, the protection scope of the utility model patent should be with appended claims
It is quasi-.
Claims (7)
1. a kind of Production of PVC system, including kettle to be polymerized (1), it is characterised in that: the polymeric kettle (1) by pipeline with
First pressure pumps (2), vacuum recycling can (3), second pressure pump (4), drying tower (5), cyclone separator (6), bag filter
(7), air-introduced machine (8) is sequentially communicated, and is equipped with heating jacket (31) on the outside of vacuum recycling can (3) can body, the heating jacket
(31) it is equipped with hot water feeding pipe's line (311) and flowing line (312), is equipped with exhaust pipe (32) at the top of the vacuum recycling can (3)
It is connected to foam separation tank (9), foam separation tank (9) bottom connects by lotion recovery pump (10) and vacuum recycling can (3)
Logical, the exhaust pipe (32) is connected to the first steam injection pipe (33), defoaming agent pipe (34), at the top of the foam separation tank (9)
Equipped with the second steam injection pipe (91), vacuum pump connecting tube (92).
2. Production of PVC system according to claim 1, it is characterised in that: pass through pipe at the top of the drying tower (5)
Road is sequentially communicated with heater (51), air blower (52), air filter (53).
3. Production of PVC system according to claim 2, it is characterised in that: heater (51) outer wall is equipped with three
The first heat exchange pipeline (511), the second heat exchange pipeline (512), the third heat exchange pipeline (513) of a laid out in parallel, described second changes
Heat pipeline (512), third heat exchange pipeline (513) steam be passed through end and be connected to steam access tube (514), second heat exchanger tube
Road (512), third heat exchange pipeline (513) steam output end pass through steam runner pipe (515) and the first heat exchange pipeline (511)
Steam is passed through end connection, and the steam output end of first heat exchange pipeline (511) connects condensing water conduit (516), and described first
It is equipped with air on the left of heat exchange pipeline (511) to enter pipe (517), hot-air is equipped on the right side of the third heat exchange pipeline (513) and is discharged
It is connected at the top of pipe (518) and drying tower (5).
4. Production of PVC system according to claim 2, it is characterised in that: air blower between the heater (51)
(52) dehumidifier (54) are equipped with.
5. Production of PVC system according to claim 1, it is characterised in that: the internal stirring of the polymeric kettle (1)
Leaf (11) is spiral shape.
6. Production of PVC system according to claim 1, it is characterised in that: be equipped with electricity above the polymeric kettle (1)
Machine (12) is connect by transmission mechanism (13) with polymeric kettle (1).
7. Production of PVC system according to claim 6, it is characterised in that: the motor (12) is equipped with frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240292.6U CN208933253U (en) | 2018-08-02 | 2018-08-02 | Production of PVC system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240292.6U CN208933253U (en) | 2018-08-02 | 2018-08-02 | Production of PVC system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208933253U true CN208933253U (en) | 2019-06-04 |
Family
ID=66717074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821240292.6U Expired - Fee Related CN208933253U (en) | 2018-08-02 | 2018-08-02 | Production of PVC system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208933253U (en) |
Cited By (2)
| 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 |
| CN111841061A (en) * | 2020-07-27 | 2020-10-30 | 山东朗晖石油化学股份有限公司 | Be applicable to environment chloroethylene drainage equipment in winter |
-
2018
- 2018-08-02 CN CN201821240292.6U patent/CN208933253U/en not_active Expired - Fee Related
Cited By (2)
| 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 |
| CN111841061A (en) * | 2020-07-27 | 2020-10-30 | 山东朗晖石油化学股份有限公司 | Be applicable to environment chloroethylene drainage equipment in winter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 |