CN208356710U - A kind of antistatic agent injection device - Google Patents
A kind of antistatic agent injection device Download PDFInfo
- Publication number
- CN208356710U CN208356710U CN201820733998.XU CN201820733998U CN208356710U CN 208356710 U CN208356710 U CN 208356710U CN 201820733998 U CN201820733998 U CN 201820733998U CN 208356710 U CN208356710 U CN 208356710U
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- CN
- China
- Prior art keywords
- antistatic agent
- injection device
- agent injection
- stirred tank
- antistatic
- 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.)
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- 239000002216 antistatic agent Substances 0.000 title claims abstract description 40
- 238000002347 injection Methods 0.000 title claims abstract description 35
- 239000007924 injection Substances 0.000 title claims abstract description 35
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 17
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000005977 Ethylene Substances 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 238000000746 purification Methods 0.000 claims abstract description 14
- 238000003860 storage Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 7
- 239000000843 powder Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000006902 nitrogenation reaction Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000006116 polymerization reaction Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 239000003054 catalyst Substances 0.000 description 5
- 239000012968 metallocene catalyst Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000012685 gas phase polymerization Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003606 oligomerizing effect Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The utility model relates to chemical machinery fields, more particularly to a kind of antistatic agent injection device, the device includes stirred tank, there is product pump in stirred tank bottom by piping connection, the product pump has triple valve by flowmeter and piping connection, described triple valve one end is connect with stirred tank top, and other end is connect with antistatic agent injection device, is also connected with nitrogen and ethylene pipeline on the antistatic agent injection device；Using the antistatic agent injection device of this structure, it can use high pressure purified nitrogen or purification ethylene gas assist antistatic mixture conveying, be uniformly injected into reactor.To play antistatic effect, the electrostatic of reactor is reduced, reduces powder sheeting in reactor.
Description
Technical field
The utility model relates to chemical machinery fields, and in particular to a kind of antistatic agent injection device.
Background technique
The research of metallocene catalyst is national " 95 " emphasis key scientific and technological projects " customizations such as efficient catalyst
A special topic in the research and development of product ".The exploitation of metallocene catalyst results in the change of polyolefin resin product, utilizes
Existing commercial plant may be implemented to turn to novel metallocene catalyst by traditional catalyst, and production added value is higher, performance is more excellent
Novel product more.The development of metallocene catalyst and other single site catalysts, to product development, technology is with after
Processing enterprise has a great impact, and is an important Science and Technology progress.
Metallocene catalyst and its olefin polymer are in developing stage, its exploitation and application will drive entire poly-
Alkene industrial expansion.Currently, causing to set since resin powders flowing purification phase mutual friction forms electrostatic in gas-phase polymerization processes
Rouge fine powder pastes wall of reactor and forms tablet, and tablet reaches a certain size with weight since gravity can fall off.
The tablet to fall off interferes gas-phase fluidized-bed fluidized state, causes to polymerize unstable, and when tablet is too big is easy to block out
Expects pipe line causes production to be stopped.
For above situation, many trials were done to reduce the resin sheeting aspect prior art, including be added in catalyst
Antistatic agent, or antistatic agent is injected in polymerization process, but antistatic agent is added to catalysis in catalyst formulation process
Agent activity influence is larger；Reactor is injected in the course of the polymerization process, and because antistatic agent additive amount is seldom, continuity injection is difficult reality
It is existing, therefore how to solve the problems, such as that this becomes problem in the prior art.
Summary of the invention
The utility model fills up prior art blank, provides a kind of antistatic agent injection device, which includes stirring
There are product pump in kettle, stirred tank bottom by piping connection, and the product pump has triple valve by flowmeter and piping connection, described
Triple valve one end is connect with stirred tank top, and other end is connect with antistatic agent injection device, the antistatic agent injection dress
It sets and is also connected with nitrogen and ethylene pipeline；Using the antistatic agent injection device of this structure, high pressure purification nitrogen can use
Gas or purification ethylene gas assist antistatic mixture conveying, are uniformly injected into reactor.To play antistatic effect, can drop
The electrostatic of oligomerizing device reduces powder sheeting in reactor, while can need to adjust antistatic agent according to reaction
Injection rate realizes the self-loopa of antistatic mixture.
The specific technical solution of the utility model is as follows:
A kind of antistatic agent injection device, the device include stirred tank, and there is product pump in stirred tank bottom by piping connection,
The product pump has triple valve by flowmeter and piping connection, and described triple valve one end is flowed back by pipeline and stirred tank top
Mouth connection, other end are connect with antistatic agent injection device, are also connected with purified nitrogen on the antistatic agent injection device
Pipeline and purification ethylene pipeline；
Feed inlet is wherein additionally provided at the top of the stirred tank, antistatic agent material storage tank is connected by pipeline and feed inlet
It connects, for being prepared by stirring by the antistatic agent and other auxiliary agents feeding stirred tank in antistatic agent material storage tank
It is injected at antistatic mixture, and for polymerization process；After adopting the above structure, it can prepare in a stirring kettle
Antistatic mixture is sent out by product pump later, and by its sendout of flowmeter accurate measurement, according to polymerization reaction feelings
Condition adjusts at any time sends out flow, closes triple valve at this time and flows back one end, open the one end connecting with injection device, resisting for submitting is quiet
Electric agent composition enters antistatic agent injection device by the one end connecting with injection device and injects in polymer reactor；
The antistatic agent injection device is made of syringe and injection-tube, and the injection-tube is connected to polymer reactor
On, the syringe and purified nitrogen storage tank and purification ethylene storage tank pass through respective piping connection；And purified nitrogen accumulator
Road and purification ethylene accumulator road are provided with control valve；Using the injection device of this structure, can with purified nitrogen and
Ethylene gas is refined as power, antistatic mixture is sent in polymer reactor, since above two gas is to poly-
Close reaction without influence, it is unstable not will cause polymerization reaction, and push antistatic mixture in a gaseous form, can make its
That disperses in polymer reactor is more uniform, avoids resin fine powder from pasting wall of reactor and forms tablet, it is ensured that polymerization is anti-
It more efficient should carry out；Simultaneously when needing to shut down, individually injected system can be purged using purified nitrogen as gas source
Operation, not needing individual equipment can be completed.
Described triple valve one end is connect by pipeline with stirred tank top refluxing opening, in this way when polymerization reaction does not need to inject
When antistatic mixture, one end of triple valve connection injection device can be closed, opens reflux one end, at this moment antistatic agent is mixed
It closes object to send back in stirred tank by refluxing opening, realizes self-loopa, avoid antistatic mixture from depositing in pipeline, return to and stir
It can be evenly dispersed again after mixing in kettle.
In conclusion can use high pressure purified nitrogen or purification second using the antistatic agent injection device of this structure
Alkene gas assists antistatic mixture conveying, is uniformly injected into reactor.To play antistatic effect, polymerization reaction can be reduced
The electrostatic of device reduces powder sheeting in reactor, while can be realized according to the injection rate for needing to adjust antistatic agent of reaction
The self-loopa of antistatic mixture.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of antistatic agent injection device described in the utility model；
1 is stirred tank in figure, and 2 be product pump, and 3 be flowmeter, and 4 be triple valve, and 5 be syringe, and 6 be injection-tube, and 7 be second
Alkene storage tank, 8 be purified nitrogen storage tank, and 9 be antistatic agent material storage tank, and 10 be refluxing opening, and 11 be feed inlet.
Specific embodiment
A kind of antistatic agent injection device, the device include stirred tank 1, and there is material in 1 bottom of stirred tank by piping connection
Pump 2, the product pump 2 have triple valve 4 by flowmeter 3 and piping connection, and described 4 one end of triple valve passes through pipeline and stirred tank
Top refluxing opening 10 connects, and other end connect with antistatic agent injection device, is also connected on the antistatic agent injection device
There are purified nitrogen pipeline and purification ethylene pipeline；
Feed inlet 11 is wherein additionally provided at the top of the stirred tank, antistatic agent material storage tank 9 passes through pipeline and feed inlet
11 connections；
The antistatic agent injection device is made of syringe 5 and injection-tube 6, and it is anti-that the injection-tube 6 is connected to polymerization
It answers on device, the syringe 5 passes through respective piping connection with purified nitrogen storage tank 7 and purification ethylene storage tank 8；And purified nitrogen
Storage tank pipeline and purification ethylene accumulator road are provided with control valve.
Claims (3)
1. a kind of antistatic agent injection device, it is characterised in that: including stirred tank (1), stirred tank (1) bottom passes through piping connection
Have product pump (2), the product pump (2) has triple valve (4) by flowmeter (3) and piping connection, described triple valve (4) one end
It is connect by pipeline with stirred tank top refluxing opening (10), other end is connect with antistatic agent injection device, described antistatic
Purified nitrogen pipeline and purification ethylene pipeline are also connected on agent injection device；The antistatic agent injection device is by syringe
(5) it is connected on polymer reactor with injection-tube (6) composition, the injection-tube (6), the syringe (5) and purified nitrogen store up
Tank (7) and purification ethylene storage tank (8) pass through respective piping connection.
2. antistatic agent injection device according to claim 1, it is characterised in that:
It is additionally provided with feed inlet (11) at the top of the stirred tank, antistatic agent material storage tank (9) passes through pipeline and feed inlet (11)
Connection.
3. antistatic agent injection device according to claim 1, it is characterised in that:
Purified nitrogen storage tank pipeline and purification ethylene accumulator road are provided with control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820733998.XU CN208356710U (en) | 2018-05-16 | 2018-05-16 | A kind of antistatic agent injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820733998.XU CN208356710U (en) | 2018-05-16 | 2018-05-16 | A kind of antistatic agent injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208356710U true CN208356710U (en) | 2019-01-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820733998.XU Active CN208356710U (en) | 2018-05-16 | 2018-05-16 | A kind of antistatic agent injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208356710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112321415A (en) * | 2020-09-30 | 2021-02-05 | 南通新邦化工科技有限公司 | Calcium stearate static eliminating method and device |
-
2018
- 2018-05-16 CN CN201820733998.XU patent/CN208356710U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112321415A (en) * | 2020-09-30 | 2021-02-05 | 南通新邦化工科技有限公司 | Calcium stearate static eliminating method and device |
| CN112321415B (en) * | 2020-09-30 | 2023-04-28 | 南通新邦化工科技有限公司 | Method and device for eliminating static electricity of calcium stearate |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An anti-static agent injection device Effective date of registration: 20231211 Granted publication date: 20190111 Pledgee: Dongying Bank Co.,Ltd. Zibo Linzi sub branch Pledgor: ZIBO XINSU CHEMICAL Co.,Ltd. Registration number: Y2023980070643 |