CN110394123A - A kind of cold hydrogen mouth structure and assembly method of hydrogenator - Google Patents
A kind of cold hydrogen mouth structure and assembly method of hydrogenator Download PDFInfo
- Publication number
- CN110394123A CN110394123A CN201810369639.5A CN201810369639A CN110394123A CN 110394123 A CN110394123 A CN 110394123A CN 201810369639 A CN201810369639 A CN 201810369639A CN 110394123 A CN110394123 A CN 110394123A
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- Prior art keywords
- cold hydrogen
- flange
- tube
- cold
- hydrogen mouth
- Prior art date
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 151
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 151
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 150
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000000919 ceramic Substances 0.000 claims abstract description 21
- 239000000835 fiber Substances 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000007547 defect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/008—Feed or outlet control devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
A kind of cold hydrogen mouth structure and assembly method of hydrogenator belong to the hydrogenator field of petrochemical industry, solve the defect of prior art dismounting small, the heat-insulated difference in space.Its structure include cold hydrogen mouth companion flange (1), cold hydrogen mouth flange (2), pressure ring (3), cold hydrogen tube (4), ceramic fibre rope (5), fixed ring (6)；(1) head face hump partially protrudes into cold hydrogen tube (4) inner wall to cold hydrogen mouth companion flange；(3) pressure ring is welded with the annular groove of cold hydrogen mouth flange (2), (3) inner ring is welded on cold hydrogen tube (4) top outer wall to pressure ring；(6) less than cold hydrogen mouth flange, (2) internal diameter, inner ring are welded on cold hydrogen tube (4) outer wall tail portion to outer diameter to fixed ring；Pressure ring (3) with fixed ring (6) between, (4) (2) (5) outer wall and cold hydrogen mouth flange tightly wrap the real ceramic fibre rope of plug in the annular space between inner wall to cold hydrogen tube.To guarantee in assembling process pressure ring (3), cold hydrogen tube (4), the fixed ring (6) concentricity with cold hydrogen mouth companion flange (1).The present invention is that the uniform and stable cold hydrogen supply of hydrogenator provides safeguard, to improve oil quality.
Description
Technical field
The invention belongs in petrochemical industry hydrogenator field more particularly to a kind of cold hydrogen mouth structure technology.
Background technique
Cold hydrogen mouth structure in hydrogenator, effect be provided safeguard for the supply of uniform and stable cold hydrogen, so
Cold hydrogen mouth structure it is reasonable whether, not only influence the mixing situation of cold hydrogen and reactant in hydrogenator, while can be more
The bed temperature of good control hydrogenator, avoids overheating caused catalyst failure.It is imitated with good economy and society
Benefit.
The cold hydrogen mouth structure of the prior art generallys use multiple instlated tubulars and is successively mutually placed on the outside of cold hydrogen tube, between tube wall
By the structure of the ceramic fibre rope linking filling dispersed, instlated tubular left and right ends are equipped with corresponding position fixing part part, and cold hydrogen
Guan Yuleng hydrogen mouth companion flange directly welds, as shown in Figure 1.
The cold hydrogen that above structure has the disadvantages that (1) cold hydrogen mouth companion flange enters cannot fully enter cold hydrogen tube, lead
Refrigeration hydrogen structure has gas leak phenomenon；(2) number of parts is more and mostly metal material, manufacturing process's complexity, own wt are also big；
(3) structure is complicated, and assembly process is more, and manufacturing cost is relatively high；(4) it when overhaul of the equipments, needs together to extract cold hydrogen tube out, it is existing
Space needed for field is overhauled is larger, later period checking maintenance higher cost.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of structures simply, dismounting space is small, good heat-insulation effect, manufacture
Simple cold hydrogen mouth structure.
The present invention provides a kind of cold hydrogen mouth structure of hydrogenator, including cold hydrogen mouth companion flange 1, cold hydrogen mouth flange 2,
Pressure ring 3, cold hydrogen tube 4, ceramic fibre rope 5, fixed ring 6；The 1 head face hump part outside diameter of cold hydrogen mouth companion flange is smaller
In the internal diameter of cold hydrogen tube 4,4 inner wall of cold hydrogen tube is protruded into；3 outer diameter of pressure ring is greater than the internal diameter of cold hydrogen mouth flange 2, with cold hydrogen mouth
The annular groove of flange 2 welds, and 3 inner ring of pressure ring is welded on 4 top outer wall of cold hydrogen tube；6 outer diameter of fixed ring is less than cold hydrogen mouth
2 internal diameter of flange, inner ring are welded on 4 outer wall tail portion of cold hydrogen tube, apart from cold 2 20 ~ 30mm of inner face of hydrogen mouth flange；Pressure ring 3 with
The real ceramic fibre rope 5 of plug is tightly wrapped in annular space between fixed ring 6, between 4 outer wall of cold hydrogen tube and cold 2 inner wall of hydrogen mouth flange.
Cold hydrogen tube 4 is made of steel pipe, and pressure ring 3, fixed ring 6 are made of steel plate；
The assembling process of cold hydrogen mouth structure:
1) pressure ring 3 is placed on 4 front end of cold hydrogen tube, welding after keeping with one heart；The rear end of cold hydrogen tube 4 will connect inside hydrogenator
Other inner members are processed by the installation requirement of inner member；
2) 6 inner ring of fixed ring is mutually welded with 4 outer wall of cold hydrogen tube, wherein distance of 6 outer end of fixed ring to cold 2 inner face of hydrogen mouth flange
For 20 ~ 30mm；
3) ceramic fibre rope 5 be filled between the pressure ring 3 and the fixed ring 6,4 outer wall of cold hydrogen tube and the cold hydrogen mouth flange
In annular space between 1 inner wall；Wherein ceramic fibre rope 5 tightly wraps cold hydrogen tube 4 and fills in the real space, but need to guarantee ceramic fibre rope
It can extend into after filling in cold hydrogen mouth flange 2；
4) pressure ring 3 is mounted on cold hydrogen mouth flange 2 and seals the annular groove of surface side and mutually weld；After welding, pressure ring 3 must not expose cold hydrogen
The end face of mouthful flange 2, i.e. close cold hydrogen mouth companion flange 1 plane；
5) in assembling process, it is ensured that pressure ring 3, cold hydrogen tube 4, fixed ring 6 and cold hydrogen mouth companion flange 1 concentricity requirement.
The present invention also provides a kind of hydrogenators, i.e., increase this hair in the cold hydrogen mouth flange of traditional hydrogenator
Bright cold hydrogen mouth structure becomes a kind of new hydrogenator.
Compared with the prior art, the present invention has the following advantages:
1, heat-proof device structure of the present invention is simple.When checking maintenance, the space that cold hydrogen mouth companion flange disassembly needs is small, and dismantles letter
Single, cost is relatively low for later period checking maintenance；Number of parts is few, facilitates processing, and weight is small, reduces manufacture difficulty, while assembly process
It is few, cost has not only been saved, the manufacturing cycle is also shortened.
2, be located between pressure ring and fixed ring in the cold hydrogen mouth structure of the present invention, cold hydrogen tube outer wall and cold hydrogen mouth flange inner wall it
Between ceramic fibre rope, compared with the prior art in be successively arranged structure between thermal sleeve there are gap, ceramics of the invention
Cordage loading is bigger, and heat insulation is more preferable, the shockproof effect of cold hydrogen tube is also more preferable；In addition, pressure ring and cold hydrogen mouth flange ring
Welded seal is used between shape slot, reliability is stronger, while can guarantee that cold hydrogen completely into cold hydrogen tube, obtains sealing effect
To effective enhancing.
3, on the basis of above-mentioned advantage, fixed ring outer diameter is less than cold hydrogen mouth flange inner diameter in the cold hydrogen mouth structure of the present invention,
Mean directly install from cold hydrogen mouth flange seal surface side after the completion of cold hydrogen mouth structure manufactures, enters without personnel and add hydrogen
Inside reactor not only reduces installation procedure, and improves device fabrication and checking maintenance efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the prior art,
Fig. 2 is structural schematic diagram of the invention,
Fig. 3 is the partial enlarged view in Fig. 2 at I,
Fig. 4 is the partial enlarged view in Fig. 2 at II,
In figure: 1 cold hydrogen mouth companion flange, 2 cold hydrogen mouth flanges, 3 pressure rings, 4 cold hydrogen tubes,
5 ceramic fibre ropes, 6 fixed rings.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
A kind of cold hydrogen mouth structure of hydrogenator, as shown in Fig. 2, include cold hydrogen mouth companion flange 1, cold hydrogen mouth flange 2,
Pressure ring 3, cold hydrogen tube 4, ceramic fibre rope 5, fixed ring 6；The cold 1 head face hump part outside diameter of hydrogen mouth companion flange omits
Less than the internal diameter of cold hydrogen tube 4,4 inner wall of cold hydrogen tube is protruded into；3 outer diameter of pressure ring is greater than the internal diameter of cold hydrogen mouth flange 2, with cold hydrogen
The annular groove welding of mouth flange 2,3 inner ring of pressure ring are welded on 4 top outer wall of cold hydrogen tube, as shown in Figure 3；Outside the fixed ring 6
Diameter is less than cold 2 internal diameter of hydrogen mouth flange, and inner ring is welded on 4 outer wall tail portion of cold hydrogen tube, apart from 2 inner face 20 of cold hydrogen mouth flange ~
30mm, as shown in Figure 4；Ring between 6 end face of pressure ring 3 and fixed ring, between 4 outer wall of cold hydrogen tube and cold 2 inner wall of hydrogen mouth flange
The real ceramic fibre rope 5 of plug is tightly wrapped in shape space, as shown in Figure 2.
Cold hydrogen tube 4 is made of steel pipe, and pressure ring 3, fixed ring 6 are made of steel plate.
The assembling process of cold hydrogen mouth structure:
1) pressure ring 3 is placed on 4 front end of cold hydrogen tube, welding after keeping with one heart, and the rear end of cold hydrogen tube 4 will connect in hydrogenator it
Its inner member is processed, as shown in Figure 3 by the installation requirement of inner member；So-called " front end " refers to close to cold hydrogen mouth companion flange 1
Direction；
2) 6 inner ring of fixed ring is mutually welded with 4 outer wall of cold hydrogen tube, the cold 2 inner face distance of hydrogen mouth flange that wherein 6 outer end of fixed ring is arrived
For 20 ~ 30mm, as shown in Figure 4；
3) ceramic fibre rope 5 be filled between the pressure ring 3 and the fixed ring 6,4 outer wall of cold hydrogen tube and the cold hydrogen mouth flange
In annular space between 1 inner wall；Wherein ceramic fibre rope 5 tightly wraps cold hydrogen tube 4 and fills in the real space, but need to guarantee ceramic fibre rope
It can extend into after filling in cold hydrogen mouth flange 2；
4) pressure ring 3 is mounted on cold hydrogen mouth flange 2 and seals the annular groove of surface side and mutually weld, as shown in Figure 3；It is right to meet cold hydrogen mouth
The effective sealing for answering gasket between flange 1 and cold hydrogen mouth flange 2, after the annular groove welding that need to guarantee pressure ring 3 and cold hydrogen mouth flange 2,
Pressure ring 3 must not expose the end face of cold hydrogen mouth flange 2, i.e. cold hydrogen mouth flange 2 close to cold hydrogen mouth companion flange 1 plane；
5) in assembling process, it is ensured that pressure ring 3, cold hydrogen tube 4, fixed ring 6 and cold hydrogen mouth companion flange 1 concentricity requirement.
The present invention also provides a kind of hydrogenators, i.e., increase this hair in the cold hydrogen mouth flange of traditional hydrogenator
Bright cold hydrogen mouth structure becomes a kind of new hydrogenator, its technology content is made to step to a new level.
The present invention is that the uniform and stable cold hydrogen supply of hydrogenator provides safeguard, and is conducive to control hydrogenator
Bed temperature avoids overheating caused catalyst failure, to improve oil quality.
Claims (4)
1. a kind of cold hydrogen mouth structure of hydrogenator, characterized in that its structure include cold hydrogen mouth companion flange (1), cold hydrogen mouth method
It is blue (2), pressure ring (3), cold hydrogen tube (4), ceramic fibre rope (5), fixed ring (6)；The cold hydrogen mouth companion flange is (1) outside head face hump part
Circular diameter is slightly less than the internal diameter of cold hydrogen tube (4), protrudes into cold hydrogen tube (4) inner wall；(3) (2) outer diameter is greater than cold hydrogen mouth flange to the pressure ring
Internal diameter, welded with cold hydrogen mouth flange annular groove (2), (3) inner ring is welded on cold hydrogen tube (4) top outer wall to pressure ring；The fixation
(6) less than cold hydrogen mouth flange, (2) internal diameter, inner ring are welded on cold hydrogen tube (4) outer wall tail portion to outer diameter to ring, (2) interior apart from cold hydrogen mouth flange
20 ~ 30mm of end face；Pressure ring (3) with fixed ring (6) between, (4) the annular of outer wall and cold hydrogen mouth flange (2) between inner wall is empty for cold hydrogen tube
Between in tightly wrap the real ceramic fibre rope of plug (5).
2. a kind of cold hydrogen mouth structure of hydrogenator described in claim 1, it is characterized in that: (4) the cold hydrogen tube uses steel
Pipe production, the pressure ring (3), fixed ring (6) steel plate is used to make.
3. a kind of assembling process of the cold hydrogen mouth structure of hydrogenator described in claim 1, it is characterized in that:
1) (3) pressure ring is placed on cold hydrogen tube (4) front end, welding after keeping with one heart；The rear end of cold hydrogen tube (4) will connect hydrogenator
Internal other inner members；So-called " front end " refers to close to cold 1 direction of hydrogen mouth companion flange；
2) (4) outer wall mutually welds 6 inner ring of fixed ring with cold hydrogen tube, wherein fixed ring (6) outer end to cold hydrogen mouth flange (2) inner face
Distance is 20 ~ 30mm；
3) ceramic fibre rope be (5) filled in the heat-insulated pressure ring (3) with the fixed ring (6) between, cold hydrogen tube (4) outer wall with it is described cold
Hydrogen mouth flange is (1) in the annular space between inner wall；Wherein (5) (4) ceramic fibre rope tightly wraps cold hydrogen tube and fills in the real space, but needs to protect
It is (2) interior to can extend into cold hydrogen mouth flange after card ceramic fibre rope filling；
4) (3) pressure ring is mounted on cold hydrogen mouth flange and (2) seals the annular groove of surface side and mutually weld；After welding, (3) pressure ring must not expose
Cold hydrogen mouth flange end face (2), i.e. close to the plane of cold hydrogen mouth companion flange (1)；
5) in assembling process, it is ensured that pressure ring (3), cold hydrogen tube (4), (6) fixed ring wants with the concentricity of cold hydrogen mouth companion flange (1)
It asks.
4. a kind of hydrogenator, it is characterized in that: i.e. the cold hydrogen mouth flange of traditional hydrogenator increase claim 1 or
A kind of cold hydrogen mouth structure of hydrogenator described in person's claim 2 becomes a kind of new hydrogenator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810369639.5A CN110394123B (en) | 2018-04-24 | 2018-04-24 | Cold hydrogen port structure of hydrogenation reactor and assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810369639.5A CN110394123B (en) | 2018-04-24 | 2018-04-24 | Cold hydrogen port structure of hydrogenation reactor and assembly method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110394123A true CN110394123A (en) | 2019-11-01 |
| CN110394123B CN110394123B (en) | 2024-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810369639.5A Active CN110394123B (en) | 2018-04-24 | 2018-04-24 | Cold hydrogen port structure of hydrogenation reactor and assembly method |
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| Country | Link |
|---|---|
| CN (1) | CN110394123B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207042453U (en) * | 2017-07-17 | 2018-02-27 | 兰州兰石重型装备股份有限公司 | A kind of cold hydrogen mouth internal heat-insulating device and hydrogenation reactor |
| CN208373034U (en) * | 2018-04-24 | 2019-01-15 | 兰州兰石重型装备股份有限公司 | A kind of cold hydrogen mouth structure and hydrogenator of hydrogenator |
-
2018
- 2018-04-24 CN CN201810369639.5A patent/CN110394123B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207042453U (en) * | 2017-07-17 | 2018-02-27 | 兰州兰石重型装备股份有限公司 | A kind of cold hydrogen mouth internal heat-insulating device and hydrogenation reactor |
| CN208373034U (en) * | 2018-04-24 | 2019-01-15 | 兰州兰石重型装备股份有限公司 | A kind of cold hydrogen mouth structure and hydrogenator of hydrogenator |
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| Publication number | Publication date |
|---|---|
| CN110394123B (en) | 2024-02-13 |
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