CN105080430B - One kind intercepts liquid distributor - Google Patents
One kind intercepts liquid distributor Download PDFInfo
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- CN105080430B CN105080430B CN201410204265.3A CN201410204265A CN105080430B CN 105080430 B CN105080430 B CN 105080430B CN 201410204265 A CN201410204265 A CN 201410204265A CN 105080430 B CN105080430 B CN 105080430B
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- liquid distributor
- pipe
- distributor
- support block
- dust
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Abstract
The present invention intercepts liquid distributor for a kind of, including intercepts liquid distributor pipe and distributor pipe support block；Intercepting liquid distributor pipe includes liquid distributor, distribution pipe plug, distribution pipe flange and dust-proof guard；Distribution pipe plug one end is eccentric circular tube-in-tube structure, the other end is circular concentric tube-in-tube structure, circular concentric tube-in-tube structure end is connected with distribution pipe flange, liquid distributor one end is inserted and secured in eccentric circular tube-in-tube structure, the other end is located at outside the eccentric circular tube-in-tube structure, and is supported by distributor pipe support block；A pair of dust-proof guards are arranged on outside distribution pipe plug, and along the length direction distribution of liquid distributor, a pair of dust-proof guards surround closing structure with liquid distributor outer wall, and its cross section is water-drop-shaped；The present invention intercepts the intensity of liquid distributor pipe stress maximum by strengthening, and reduces the actual stress value for intercepting liquid distributor pipe, efficiently solves the problem of fatigue damage for intercepting liquid distributor, improves the safe operation cycle of reactor.
Description
Technical field
The present invention relates to the internals of the multizone circulating reactor in field of petrochemical industrial, and in particular to one kind intercepts liquid
Distributor.
Background technology
In polymarization method for prodcing polyacrylates technology, multi-region circulating polymerization is realized using multizone circulating reactor, given birth to by a production line
Produce equal dimerization product, random copolymerization product, crushing-resistant copolymerization product and ternary polymerization product；Multizone circulating reactor is gas phase reaction
Device, it is divided into raising section and settling section two large divisions；Gas-phase propene enters from lifting bottom of the tube elbow, and boosted pipe and top are big
Elbow tangent entrance settling section obliquely, top is a whirlwind entrance structure obliquely, has upper and lower two groups of obstruct liquid distributor pipe to insert
Enter inside settler.
Obstruct liquid distributor pipe of the prior art is that one end is clamped, and one end vertical freely-supported, horizontal direction is freely hanged
Arm configuration, wherein, plug and flange connector are all nonintegrated structure so that in equipment running process, intercept liquid distributor pipe
Produced in the case where airflow function obliquely is cut and swung, fatigue rupture easily occur, or even cause reactor shutdowns, damage heavy
Drop device bottom butterfly valve, has had a strong impact on the service life for intercepting liquid distributor.
The content of the invention
The present invention for solves the problems, such as it is existing intercept liquid distributor fatigue damage, service life easily occur relatively low, carry
Supplied a kind of obstruct liquid distributor, by improve to intercept liquid distributor structure, solve obstruct liquid distributor be also easy to produce it is tired
The problem of labor destruction, extends the service life of equipment.
Technical scheme is as follows：
One kind intercepts liquid distributor, including intercepts liquid distributor pipe 1 and distributor pipe support block 2；The obstruct liquid distributor pipe 1 is inserted
Enter inside reactor, described one end of obstruct liquid distributor pipe 1 is connected by the distributor pipe support block 2, the distributor pipe support
Block 2 is connected with the reactor mouth of pipe；
The obstruct liquid distributor pipe 1 includes liquid distributor 3, distribution pipe plug 4, distribution pipe flange 5 and dust-proof guard 6；
Described distribution pipe plug 4 one end is eccentric circular tube-in-tube structure, and the other end is circular concentric tube-in-tube structure, described same
Heart circular sleeve structure end is fixedly connected with distribution pipe flange 5, constitutes integral structure, and the one end of the liquid distributor 3 is inserted and consolidated
It is scheduled in the eccentric circular tube-in-tube structure, and the other end of the liquid distributor 3 is located at outside the eccentric circular tube-in-tube structure,
And be supported in the distributor pipe support block 2；
The quantity of the dust-proof guard 6 is a pair, and dust-proof guard 6 described in a pair is arranged on outside the distribution pipe plug 4,
And the length direction along the liquid distributor 3 is distributed, and it is covered in the top of the liquid distributor 3；Dust-proof guard 6 described in a pair with it is described
The outer wall of liquid distributor 3 encloses a closing structure jointly, and the radial cross-sectional shape of the closing structure is water-drop-shaped, described to close
The maximum outline for closing structure is distributed in the outline of pipe plug 4 described；Water droplet tee section ensures the dust on distributor top
Pile up little, or without accumulation.
The length of the dust-proof guard 6 is equal with the partial-length that the liquid distributor 3 stretches out the distribution pipe plug 4.
The obstruct liquid distributor pipe 1 is vertically partly overlapped with the distributor pipe support block 2, and the two is ensured after installation
Between have certain prestressing force, the stress of liquid distributor pipe 1 is intercepted so as to change, one end vertical letter clamped by one end
Branch, the free cantilever design of horizontal direction, it is clamped to be changed into one end, and one end greatly improves along vertically and horizontally both direction freely-supported
Intercept fatigue life of liquid distributor pipe 1.
The liquid distributor 3 and the interface for being distributed pipe plug 4, dust-proof guard 6 described in a pair and the distribution pipe plug
First 4 interface is fixedly connected by sealing weldering respectively, and the outer wall of the liquid distributor 3 is with distribution pipe plug 4 inwall by strong
Degree weldering is fixedly connected, and reduces heat affected area of the cantilever beam root caused by welding, keeps the crystal grain of original material big as far as possible
It is small.
Intensity weldering uses larger welding capacity when referring to welding, and motlten metal amount is also more, it is possible to bear load；Sealing
Weldering refers to that, using smaller welding capacity, motlten metal amount is also smaller, only plays sealing function.
In order to increase material fluidity, material wall built-up is reduced, the appearance of dust-proof guard 6 described in a pair and the liquid distributor 3
Face is smooth surface, and one end for being contacted with the liquid distributor 3 of dust-proof guard 6 described in a pair respectively with the liquid distributor 3 outside
Wall suits, i.e., dust-proof guard 6 is in smoothing junction with the liquid distributor 3 described in a pair, improves fatigue life.
It is all inside intercalation reaction device, to be distributed pipe plug 4 and support block to intercept liquid distributor pipe 1 and distributor pipe support block 2
The purpose of plug 9 is to prevent from dust from entering reactor tapping to produce accumulation, so distribution pipe plug 4 outer wall, support block plug 9
For clearance-type coordinates between outer wall and reactor perforate inwall, maximal clearance is less than 0.5mm.
At least one set of aperture 7 is not provided with by the part that the dust-proof guard 6 is covered on the liquid distributor 3, its effect is
Liquid is set to be evenly distributed in container from liquid distributor 3；Aperture 7 described in one group along the liquid distributor 3 length direction arranged for interval.
The distributor pipe support block 2 includes supporting plate 8, support block plug 9 and support block flange 10；
Described one end of support block plug 9 is fixedly connected with described one end of support block flange 10, constitutes integral structure；It is described
The support block plug 9 is inserted in the one end of supporting plate 8, and the other end vertically partly overlaps with the liquid distributor 3, and supports
The liquid distributor 3；The other end of the support block flange 10 is fixedly connected with the reactor mouth of pipe.
In specific implementation, the vertical direction of the liquid distributor 3 partly overlaps with the distributor pipe support block 2, actual installation
After have because rubbing action ensures also be moved in liquid distributor 3 and the horizontal direction of distributor pipe support block 2, i.e., described distributor pipe branch
Bracer 2 is fixed and supports the obstruct liquid distributor pipe 1.
In order to realize more preferable dust-proof effect, the axial cross section of the supporting plate 8 is shaped as wedge shape, and sharp edge is upward；And institute
The outer surface for stating supporting plate 8 is smooth surface.
Obstruct liquid distributor of the invention is applied in the multizone circulating reactor of polypropylene technology device.
Compared with prior art, the present invention combines concrete operations operating mode, and the plug and flange that will be intercepted in liquid distributor connect
Fitting design is integrated, and changes the stress morphology for intercepting liquid distributor pipe, on the one hand strengthens obstruct liquid distributor pipe 1
The strength of materials of stress maximum, still further aspect reduces the actual stress value for intercepting liquid distributor pipe 1, effectively prevention and solution
The problem of fatigue damage of liquid distributor is intercepted, the fatigue life for intercepting liquid distributor is substantially prolongs, reactor is improve
The safe operation cycle.
Brief description of the drawings
Fig. 1 a are a kind of structural representation for intercepting liquid distributor of the invention；
Fig. 1 b are the A direction views of Fig. 1 a；
Fig. 2 a are the structural representation of the obstruct liquid distributor pipe in Fig. 1 a；
Fig. 2 b are the lateral view of Fig. 2 a；
Fig. 3 is the A-A direction views of Fig. 2 a, that is, intercept the radial section sectional view of liquid distributor pipe；
Fig. 4 a are the distributor pipe support block structure schematic diagram in Fig. 1 a；
Fig. 4 b are the radial section sectional view of supporting plate in Fig. 4 a.
Fig. 5 is distribution pipe plug, dust-proof guard, the annexation schematic diagram of liquid distributor.
Drawing reference numeral explanation：
1- intercepts liquid distributor pipe；2- distributor pipe support blocks；3- liquid distributors；4- is distributed pipe plug；5- is distributed pipe flange；6- prevents
Dirt baffle plate；7- apertures；8- supporting plates；9- support block plugs；10- support block flanges；
The present invention is described in more detail with reference to the accompanying drawings and detailed description, protection scope of the present invention
It is not limited to following specific embodiments.
Specific embodiment
As shown in Fig. 1 a, Fig. 1 b, Fig. 2 a, Fig. 2 b, Fig. 3, Fig. 4 a, Fig. 4 b, Fig. 5, one kind intercepts liquid distributor, including intercepts
Liquid distributor pipe 1 and distributor pipe support block 2；The obstruct liquid distributor pipe 1 is that one end is clamped, one end freely-supported along the vertical and horizontal directions
Structure；The obstruct liquid distributor pipe 1 is inserted inside pressure vessel, described to intercept the one end of liquid distributor pipe 1 and the distributor pipe branch
Bracer 2 vertically partly overlaps, and forms supporting relation.
The obstruct liquid distributor pipe 1 includes liquid distributor 3, distribution pipe plug 4, distribution pipe flange 5 and dust-proof guard 6；
Described distribution pipe plug 4 one end is eccentric circular tube-in-tube structure, and the other end is circular concentric tube-in-tube structure, described same
Heart circular sleeve structure end is fixedly connected with distribution pipe flange 5, constitutes integral structure, and the one end of the liquid distributor 3 is inserted and consolidated
It is scheduled in the eccentric circular tube-in-tube structure, and the other end of the liquid distributor 3 is located at outside the eccentric circular tube-in-tube structure,
And be supported in the distributor pipe support block 2；
The outer surface of the liquid distributor 3 vertically partly overlaps with the distributor pipe support block 2；
The quantity of the dust-proof guard 6 is a pair, and dust-proof guard 6 described in a pair is arranged on outside the distribution pipe plug 4,
And the length direction along the liquid distributor 3 is distributed, dust-proof guard 6 described in a pair encloses one jointly with the outer wall of the liquid distributor 3
Individual closing structure, and the closing structure is by the radial section of formation drop shape after sanding and polishing；The closing structure
Maximum outline is in the outline of the distribution pipe plug 4.
The length of the dust-proof guard 6 is equal with the partial-length that the liquid distributor 3 stretches out the distribution pipe plug 4.
One group of aperture 7 is evenly distributed with the liquid distributor 3 outside the distribution pipe plug 4, aperture 7 sets described in one group
Put in the direction opposite with the dust-proof guard 6.
The liquid distributor 3 and the interface for being distributed pipe plug 4, dust-proof guard 6 described in a pair and the distribution pipe plug
First 4 interface is fixedly connected by sealing weldering respectively, and the outer wall of the liquid distributor 3 is with distribution pipe plug 4 inwall by strong
Degree weldering is fixedly connected.
Dust-proof guard 6 described in a pair is smooth surface, and dust-proof guard described in a pair with the outer surface of the liquid distributor 3
6 one end contacted with the liquid distributor 3 suit with the outer wall of the liquid distributor 3 respectively.
For clearance-type is matched somebody with somebody between the distribution outer wall of pipe plug 4 and reactor shell perforate inwall and flange opening inwall
Close.
The distributor pipe support block 2 includes supporting plate 8, support block plug 9 and support block flange 10；
Described one end of support block plug 9 is fixedly connected with described one end of support block flange 10, constitutes integral structure；It is described
The support block plug 9 is inserted in the one end of supporting plate 8, and the other end vertically partly overlaps with the liquid distributor 3, and supports
The liquid distributor 3；The other end of the support block flange 10 is fixedly connected with the reactor mouth of pipe.
The axial cross section of the supporting plate 8 is shaped as wedge shape, and sharp edge is upward；And the outer surface of the supporting plate 8 is smooth
Surface.
The supporting plate 8 of the distributor pipe support block 2 is perpendicular with the liquid distributor 3.
Above-mentioned technical proposal is one embodiment of the present invention, for those skilled in the art, at this
On the basis of disclosure of the invention application process and principle, it is easy to make various types of improvement or deformation, this is not limited solely to
Invent the structure described by above-mentioned specific embodiment, therefore previously described mode is preferably, and simultaneously without limitation
The meaning of property.
Claims (7)
- It is 1. a kind of to intercept liquid distributor, it is characterised in that：The distributor includes intercepting liquid distributor pipe (1) and distributor pipe support block (2)；Obstruct liquid distributor pipe (1) insertion is anti- Answer inside device, one end is connected with the reactor mouth of pipe, the other end is supported by the distributor pipe support block (2), the distributor pipe branch Bracer (2) is connected with the reactor mouth of pipe；Obstruct liquid distributor pipe (1) includes liquid distributor (3), distribution pipe plug (4), distribution pipe flange (5) and dust-proof guard (6)；Described distribution pipe plug (4) one end is eccentric circular tube-in-tube structure, and the other end is circular concentric tube-in-tube structure, described concentric Circular sleeve structure end is fixedly connected with distribution pipe flange (5), constitutes integral structure, and liquid distributor (3) one end insertion is simultaneously It is fixed in the eccentric circular tube-in-tube structure, and the other end of the liquid distributor (3) is located at the eccentric circular tube-in-tube structure Outside, and be supported on the distributor pipe support block (2)；The quantity of the dust-proof guard (6) is a pair, and it is arranged on distribution pipe plug (4) outside, and along the liquid distributor (3) length direction distribution, and it is covered in the top of the liquid distributor (3)；Dust-proof guard described in a pair (6) and the liquid distributor (3) outer wall encloses a closing structure jointly, and the radial cross-sectional shape of the closing structure is water-drop-shaped；The closure knot The maximum outline of structure is in the outline of distribution pipe plug (4)；The length and the liquid distributor of the dust-proof guard (6) (3) partial-length for stretching out distribution pipe plug (4) is equal.
- 2. one kind according to claim 1 intercepts liquid distributor, it is characterised in that：The liquid distributor (3) and the interface for being distributed pipe plug (4), dust-proof guard (6) described in a pair and the distributor pipe The interface of plug (4) is fixedly connected by sealing weldering respectively, and liquid distributor (3) outer wall is interior with distribution pipe plug (4) Wall is welded by intensity and is fixedly connected.
- 3. one kind according to claim 1 and 2 intercepts liquid distributor, it is characterised in that：Dust-proof guard described in a pair (6) is smooth surface, and dust-proof guard described in a pair with the outer surface of the liquid distributor (3) (6) one end contacted with the liquid distributor (3) suits with the liquid distributor (3) outer wall respectively, i.e., dust-proof guard (6) described in a pair It is in smoothing junction with the liquid distributor (3).
- 4. one kind according to claim 1 intercepts liquid distributor, it is characterised in that：At least one set of aperture (7) is not provided with by the part that the dust-proof guard (6) is covered on the liquid distributor (3)；One group of institute State the length direction arranged for interval of each hole in aperture (7) along the liquid distributor (3).
- 5. one kind according to claim 1 intercepts liquid distributor, it is characterised in that：The distributor pipe support block (2) includes supporting plate (8), support block plug (9) and support block flange (10)；Described support block plug (9) one end is fixedly connected with described support block flange (10) one end, constitutes integral structure；It is described The support block plug (9) is inserted in supporting plate (8) one end, and the other end supports the liquid distributor (3)；The support block flange (10) the other end is fixedly connected with the reactor mouth of pipe.
- 6. one kind according to claim 5 intercepts liquid distributor, it is characterised in that：The supporting plate (8) of the distributor pipe support block (2) is perpendicular with the liquid distributor (3).
- 7. the one kind according to claim 5 or 6 intercepts liquid distributor, it is characterised in that：The axial cross section of the supporting plate (8) is shaped as wedge shape, and sharp edge is upward；And the outer surface of the supporting plate (8) is smooth Surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410204265.3A CN105080430B (en) | 2014-05-15 | 2014-05-15 | One kind intercepts liquid distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410204265.3A CN105080430B (en) | 2014-05-15 | 2014-05-15 | One kind intercepts liquid distributor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105080430A CN105080430A (en) | 2015-11-25 |
| CN105080430B true CN105080430B (en) | 2017-06-06 |
Family
ID=54562297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410204265.3A Active CN105080430B (en) | 2014-05-15 | 2014-05-15 | One kind intercepts liquid distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105080430B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6699443B1 (en) * | 1995-06-29 | 2004-03-02 | Cognis Deutschland Gmbh & Co. Kg | Liquid distributor with cleaning mechanism |
| CN201002013Y (en) * | 2006-12-07 | 2008-01-09 | 余家骧 | Hydrogen chloride resistant and high-temperature resistant tower type gas-liquid contact reactor |
| CN201930781U (en) * | 2010-12-29 | 2011-08-17 | 中冶焦耐(大连)工程技术有限公司 | Gas distributor |
| CN203874756U (en) * | 2014-05-15 | 2014-10-15 | 中国石化工程建设有限公司 | Barrier fluid distributor |
-
2014
- 2014-05-15 CN CN201410204265.3A patent/CN105080430B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6699443B1 (en) * | 1995-06-29 | 2004-03-02 | Cognis Deutschland Gmbh & Co. Kg | Liquid distributor with cleaning mechanism |
| CN201002013Y (en) * | 2006-12-07 | 2008-01-09 | 余家骧 | Hydrogen chloride resistant and high-temperature resistant tower type gas-liquid contact reactor |
| CN201930781U (en) * | 2010-12-29 | 2011-08-17 | 中冶焦耐(大连)工程技术有限公司 | Gas distributor |
| CN203874756U (en) * | 2014-05-15 | 2014-10-15 | 中国石化工程建设有限公司 | Barrier fluid distributor |
Non-Patent Citations (2)
| Title |
|---|
| 聚丙烯装置阻隔液管失效分析;杨元良等;《焊接技术》;20130331;第42卷(第3期);第62-64页 * |
| 高压聚乙烯反应器失效机理分析及对策;刘伟等;《石油化工设备》;20091130;第38卷(第6期);第89-91页 * |
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| Publication number | Publication date |
|---|---|
| CN105080430A (en) | 2015-11-25 |
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