CN107869929A - A kind of reactor inner cool tube fixing device and the reactor containing it - Google Patents
A kind of reactor inner cool tube fixing device and the reactor containing it Download PDFInfo
- Publication number
- CN107869929A CN107869929A CN201711167676.XA CN201711167676A CN107869929A CN 107869929 A CN107869929 A CN 107869929A CN 201711167676 A CN201711167676 A CN 201711167676A CN 107869929 A CN107869929 A CN 107869929A
- Authority
- CN
- China
- Prior art keywords
- reactor
- inner cool
- cool tube
- clamping plate
- fixing device
- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000003032 molecular docking Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000006116 polymerization reaction Methods 0.000 claims description 12
- 238000005498 polishing Methods 0.000 claims description 9
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000005422 blasting Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000009659 non-destructive testing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005580 one pot reaction Methods 0.000 abstract description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
- F28F9/0131—Auxiliary supports for elements for tubes or tube-assemblies formed by plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0022—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for chemical reactors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/20—Fastening; Joining with threaded elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The present invention proposes a kind of reactor inner cool tube fixing device, the fixing device is rolled into tubular clamping plate including a piece of, is welded with contiguous block on the both sides of the clamping plate docking, screw is provided with the contiguous block, the contiguous block is fastened with dormant bolt, clamping plate is clamped outside inner cool tube.The present invention also proposes the installation method of the reactor inner cool tube fixing device and the reactor containing it.Inner cool tube fixing device proposed by the present invention, its structure and fastening means are changed to unilateral clamping plate+dormant bolt pattern fastening, and installed in the turbulent area side of reactor, improve the stability of equipment, reduce the influence to polymerisation uniformity.Install the reactor of this inner cool tube can reach one-pot run 500 batches after kettle need to just be cleaned, improve kettle utilization rate, reduce labor intensity, lift the quality of product.
Description
Technical field
The invention belongs to field of chemical equipment, and in particular to a kind of cooling device of reactor.
Background technology
Cooling medium pipeline is the device for controlling temperature of reaction kettle, for relatively large reactor, it is necessary to be set in kettle
Inner cool tube, temperature control is carried out to reaction system.Field is reacted in organic polymer, large-scale polymeric kettle is designed with inner cool tube.
On the one hand inner cool tube is used to remove reaction heat, on the other hand also double as the effect of polymeric kettle mixing baffle.The polymeric kettle now run
Inner cool tube be mostly bushing type, cooling medium is discharged after entering between sleeve pipe from center.
143m3Polymeric kettle is the polymeric kettle that volume is maximum in current domestic PVC industry, is designed with 4 inner cool tubes,
Because kettle product is larger, the length of inner cool tube is corresponding also longer, in order to ensure that inner cool tube does not shake in the process of running, needs
It is fixed.The form of inner cool tube is fixed in the prior art referring to Fig. 1, and inner cool tube is that two clamping plate fastenings form.Poly-
During closing kettle use, bilateral splint and fastening bolts easily bond autopolymer, with the increase of polymerisation batch, at this from
Poly- adhesive increases so as to form big block autopolymer therewith, after block autopolymer drops during the course of the reaction, not only blocks
Discharging filter causes discharging not smooth, and can produce flake, influences the quality of PVC products, while run 260 batches in one-pot
When just need to polymeric kettle carry out cleaning treatment autopolymer, influence kettle utilization rate.
The content of the invention
For the weak point of art technology, the present invention has done useful improvement to the inner cool tube fixing device of reactor.
Specifically, the purpose of the present invention is to propose to a kind of reactor inner cool tube fixing device.
Second object of the present invention is to propose the installation method of described reactor inner cool tube fixing device.
Third object of the present invention is to propose the reactor containing the inner cool tube fixing device.
To realize that above-mentioned purpose technical scheme of the present invention is：
A kind of reactor inner cool tube fixing device, the fixing device are rolled into tubular clamping plate, the clamping plate including a piece of
Contiguous block is welded with the both sides of docking, screw is provided with the contiguous block, the contiguous block is fastened with dormant bolt, makes clamping plate
Clamped outside inner cool tube.
Further, the high 200 ± 50mm of the clamping plate, the connection tile height is identical with clamping plate, is used on a clamping plate
Three dormant bolts, the dormant bolt are stainless steel, and contiguous block is stainless steel.
Preferably, filled at the top of dormant bolt with polytetrafluoro rod to concordant with contiguous block end face.Screw is circular, four
Fluorine rod be whittled into the pole of diameter as screw, fill out in screw, make contiguous block flush, will not bridging.
Wherein, steel pipe is welded with the clamping plate, the steel pipe is perpendicular to reactor inner cool tube, the other end of the steel pipe
It is fixed on the inwall of reactor, the circular arc of location interval 1/4 of the position of fastener for connection inner cool tube and contiguous block arrangement.
A kind of optimal technical scheme of the present invention is that the internal diameter of the reactor inner cool tube is 340-380mm, the reactor
Inner cool tube is vertically connected with diameter 100-120mm, wall thickness 8-9mm steel pipe.
The installation method of reactor inner cool tube fixing device of the present invention, including step：
1) circular arc clamping plate, contiguous block, steel pipe welding are turned into component, welded after determining installation site in reactor kettle wall
Connect, be then fixed with dormant bolt；
2) bent angle to each joint face and weld seam carry out surface polishing, ensure rounding off；
3) Non-Destructive Testing：100%PT detections are carried out to face of weld；
4) whole inner cool tube assembly surface is processed by shot blasting, up to 0.2 μm of smoothness.
Reactor containing the reactor inner cool tube fixing device.
Wherein, the reactor is polymerization reaction kettle, and the volume of kettle is 70m3~150m3, the inner cool tube by steel pipe with
The pipeline section of reactor inwall connection is vertical direction；There are 4 inner cool tubes, the axis connection of the agitator of reactor in polymerization reaction kettle
In bottom, inner cool tube is located above the agitating paddle of agitator, the direction that the contiguous block rotates towards material during stirring.
A preferred technical solution of the present invention is that the reactor is the reactor of polymerization polyvinyl chloride.
The beneficial effects of the present invention are：
Inner cool tube fixing device proposed by the present invention, its structure and fastening means are changed to unilateral clamping plate+dormant bolt pattern
Fastening, and installed in the turbulent area side of reactor, improve the stability of equipment, reduce the shadow to polymerisation uniformity
Ring.Install the reactor of this inner cool tube can reach one-pot run 500 batches after kettle need to just be cleaned, improve kettle utilization
Rate, reduce labor intensity, lift the quality of product.
Brief description of the drawings
Fig. 1 is the inner cool tube structural representation of prior art.
Fig. 2 is the schematic diagram of the 143M3 polymeric kettle inner cool tube clamp regions of the embodiment of the present invention 1.
Fig. 3 is Fig. 2 A direction views,
Fig. 4 is Fig. 2 side view.
Fig. 5 is polymerization reaction kettle structural representation.
Wherein, 1, the steel pipes of Φ 114.3 × 8.8 after polishing；2nd, circular arc clamping plate after polishing；3rd, contiguous block after polishing；4th, no
Become rusty steel dormant bolt；5th, polytetrafluoro rod；6th, inner cool tube.
Embodiment
Illustrate the present invention below by most preferred embodiment.Those skilled in the art institute it should be understood that, embodiment is only used for
Illustrate rather than for limiting the scope of the present invention.
In embodiment, unless otherwise instructed, means used are the conventional means in this area.
Embodiment 1：
A kind of reactor inner cool tube, the 143m for polymerization polyvinyl chloride3Reactor.The reactor inner cool tube is
It is a piece of to be rolled into tubular clamping plate, clamp the pipe to be formed in joint with fastener, it is welded with the both sides of the clamping plate docking
Stainless steel contiguous block, screw is provided with the contiguous block, the contiguous block is fastened with dormant bolt.With poly- four at the top of dormant bolt
The filling of fluorine rod 5 is extremely concordant with contiguous block end face.
In the present embodiment, the internal diameter of reactor inner cool tube is 355.6mm, and the reactor inner cool tube is vertically connected with diameter
114.30mm, wall thickness 8.8mm steel pipe.
The installation method of described reactor inner cool tube, including step：
1) circular arc clamping plate, contiguous block, steel pipe welding are turned into component, welded after determining installation site in reactor kettle wall
Connect, be then fixed with dormant bolt；
2) bent angle to each joint face and weld seam carry out surface polishing, ensure rounding off；
3) Non-Destructive Testing：100%PT detections are carried out to face of weld, it is qualified by I grade of NB/T47013.5-20115 standards.
4) whole inner cool tube assembly surface is processed by shot blasting, up to 0.2 μm of smoothness.
Referring to Fig. 2 and Fig. 3, Fig. 4, three screws, screw center and inner cool tube centre distance are provided with after polishing on contiguous block 3
For 205mm, first and the 3rd screw centre-to-centre spacing are 120mm；Circle after stainless steel dormant bolt 4 fixes polishing through contiguous block
Arc clamping plate 2.The steel pipes 1 of Φ 114.3 × 8.8, the other end of steel pipe after the polishing of this reactor inner cool tube vertical connection are fixed on instead
Answer on the inwall of kettle.The position of fastener for connection inner cool tube and the circular arc of location interval 1/4 of fastener arrangement.
The installation site of this unilateral clamping plate inner cool tube is in turbulent area side.Referring to Fig. 5, have in polymerization reaction kettle cold in 4
To manage (Fig. 5 only shows one), in bottom, inner cool tube is located above the agitating paddle of agitator the axis connection of the agitator of reactor,
The direction that contiguous block rotates towards material during stirring (direction of Fig. 5 stirrings is counterclockwise, and contiguous block is located at behind inner cool tube).Energy
The probability that autopolymer bonds is reduced, the operation of polymeric kettle one-pot is promoted to after 500 batches by 260 batches and kettle need to just be carried out clearly
Wash, improve kettle utilization rate, the quality for the product that reduces labor intensity, improves.
Embodiment 2：
A kind of reactor inner cool tube, the polymerization reaction kettle for polymerization polyvinyl chloride.The volume of kettle is 70m3, it is described
The pipeline section that inner cool tube is connected by steel pipe with reactor inwall is vertical direction；The pipeline section of vertical direction has in polymerization reaction kettle
4, clamping plate is located at the position of inner cool tube bottom 1/3.
Other are set with embodiment 1.
Embodiment above is only that the preferred embodiment of the present invention is described, and not the scope of the present invention is entered
Row limits, on the premise of design spirit of the present invention is not departed from, technical side of this area ordinary skill technical staff to the present invention
The all variations and modifications that case is made, it all should fall into the protection domain of claims of the present invention determination.
Claims (9)
- A kind of 1. reactor inner cool tube fixing device, it is characterised in that the fixing device is rolled into tubular clamping plate including a piece of, Contiguous block is welded with the both sides of the clamping plate docking, screw is provided with the contiguous block, the connection is fastened with dormant bolt Block, clamping plate is set to be clamped outside inner cool tube.
- 2. reactor inner cool tube fixing device according to claim 1, it is characterised in that the high 200 ± 50mm of clamping plate, The connection tile height is identical with clamping plate, three dormant bolts is used on a clamping plate, the dormant bolt is stainless steel Material, the contiguous block are stainless steel.
- 3. reactor inner cool tube fixing device according to claim 1, it is characterised in that dormant bolt top polytetrafluoro Rod is filled to concordant with contiguous block end face.
- 4. the reactor inner cool tube fixing device according to claim any one of 1-3, it is characterised in that welded on the clamping plate Steel pipe is connected to, the steel pipe is fixed on the inwall of reactor perpendicular to reactor inner cool tube, the other end of the steel pipe, steel pipe Connect the position of inner cool tube and the circular arc of location interval 1/4 of contiguous block arrangement.
- 5. the reactor inner cool tube fixing device according to claim any one of 1-3, it is characterised in that in the reactor The internal diameter of cold pipe is 340-380mm, and the reactor inner cool tube is vertically connected with diameter 100-120mm, wall thickness 8-9mm steel Pipe.
- 6. the installation method of the reactor inner cool tube fixing device described in claim any one of 1-5, it is characterised in that including step Suddenly：1) circular arc clamping plate, contiguous block, steel pipe welding are turned into component, welded after determining installation site in reactor kettle wall, so It is fixed afterwards with dormant bolt；2) bent angle to each joint face and weld seam carry out surface polishing, ensure rounding off；3) Non-Destructive Testing：100%PT detections are carried out to face of weld；4) whole inner cool tube assembly surface is processed by shot blasting, up to 0.2 μm of smoothness.
- 7. the reactor containing any one of the claim 1-5 reactor inner cool tube fixing devices.
- 8. the reactor containing any one of the claim 1-5 reactor inner cool tube fixing devices, it is characterised in that described anti- It is polymerization reaction kettle to answer kettle, and the volume of kettle is 70m3~150m3, pipe that the inner cool tube is connected by steel pipe with reactor inwall Section is vertical direction；There are 4 inner cool tubes in polymerization reaction kettle, the axis connection of the agitator of reactor is located in bottom, inner cool tube Above the agitating paddle of agitator, the direction of material rotation when the contiguous block direction stirs.
- 9. reactor according to claim 8, it is characterised in that the reactor is the reaction of polymerization polyvinyl chloride Kettle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711167676.XA CN107869929B (en) | 2017-11-21 | 2017-11-21 | Cold pipe fixing device and contain its reation kettle in reation kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711167676.XA CN107869929B (en) | 2017-11-21 | 2017-11-21 | Cold pipe fixing device and contain its reation kettle in reation kettle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107869929A true CN107869929A (en) | 2018-04-03 |
| CN107869929B CN107869929B (en) | 2024-05-03 |
Family
ID=61754340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711167676.XA Active CN107869929B (en) | 2017-11-21 | 2017-11-21 | Cold pipe fixing device and contain its reation kettle in reation kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107869929B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4071325A (en) * | 1976-08-16 | 1978-01-31 | National Distillers And Chemical Corporation | Ethylene polymerization reactor |
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| DE102005009646A1 (en) * | 2005-03-03 | 2006-09-07 | Federnwerke Marienberg Gmbh | Clamping detent for headrest has detent axis arranged over headrest body in movable area and coupling part is included in multi-sided profile by means of load shifting element trailing from spring steel plate |
| CN1861642A (en) * | 2006-06-13 | 2006-11-15 | 吉化集团公司 | Polymerizer |
| CN201040741Y (en) * | 2007-04-26 | 2008-03-26 | 中国天辰化学工程公司 | Large-scale vinyl chloride polymerization reacting still |
| CN204234084U (en) * | 2014-10-30 | 2015-04-01 | 华伦纳路新材料有限公司 | A kind of modified reactor |
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-
2017
- 2017-11-21 CN CN201711167676.XA patent/CN107869929B/en active Active
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| DE102005009646A1 (en) * | 2005-03-03 | 2006-09-07 | Federnwerke Marienberg Gmbh | Clamping detent for headrest has detent axis arranged over headrest body in movable area and coupling part is included in multi-sided profile by means of load shifting element trailing from spring steel plate |
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| Publication number | Publication date |
|---|---|
| CN107869929B (en) | 2024-05-03 |
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