CN208982839U - A kind of pipeline injection facility for hydrogenation plant - Google Patents
A kind of pipeline injection facility for hydrogenation plant Download PDFInfo
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- CN208982839U CN208982839U CN201820796897.7U CN201820796897U CN208982839U CN 208982839 U CN208982839 U CN 208982839U CN 201820796897 U CN201820796897 U CN 201820796897U CN 208982839 U CN208982839 U CN 208982839U
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Abstract
The utility model discloses a kind of pipelines for hydrogenation plant of petrochemical industry to inject facility, including standard threeway, standard flange, nonstandard reduced flange, nonstandard reducing blind plate, insertion tube and nozzle；It is characterized by: the standard threeway and standard flange are welded into an entirety；Described nonstandard reduced flange one end is connect with standard flange, and the other end is connect with waterflood-transmission line butt welding；The nonstandard reducing blind plate, is arranged between nonstandard reduced flange and standard flange, and it is equipped with insertion tube with standard flange connecting pin with the boss face of diameter, carries out butt welding connection for insertion tube and nonstandard reducing blind plate；The standard sealing head is welded on the end of insertion pipeline；The nozzle, is radially welded on insertion tube.The problem of the utility model is able to solve since blind flange punches the blind flange strength reduction of initiation, and flange seal fails；Have the advantages that equipment is simple, easy for installation, easy to maintain；The utility model is simple with material and manufacturing method using common carbon steel, stainless steel or nickel-base alloy pipeline, pipe fitting, is conveniently easy to get, cheap, is a kind of economic and reliable, practical and effective pipeline assembly.
Description
Technical field
The utility model belongs to petrochemical industry more particularly to the pipeline injection of petrochemical enterprise hydrogenation plant is set
It applies.
Background technique
The high pressure heat exchanger of hydrogenation plant, reactor in petrochemical enterprise, the ammonia generated during the reaction, hydrogen chloride
And hydrogen sulfide will form the solid of ammonium chloride and ammonium sulfide when having temperature condition to a certain degree before and after high-pressure air cooler
Substance, the blocking for causing air cooler and high pressure heat exchanger to be restrained and underdeposit corrosion, the serious corrosion failure that will lead to tube bank.Cause
This, needs to inject deaerated water in reaction effluent in air cooler upstream line in production, prevents ammonium salt precipitation to reach
Purpose.
Generally have at two when the water filling point design of hydrogenation plant, one is in air-cooled entrance, belongs to continuous water filling, another to be in
Air-cooled previous heat exchanger entrance belongs to interruption water filling.The water filling form generally used both at home and abroad at present is to use complete injection
The advantages of facility, this water structure has form simple, is conducive to maintenance, but exist simultaneously various problems: first is that needs
It covers and punches in high pressure flange, execute-in-place is difficult and has higher requirement to construction precision；It destructive punches second is that this
Although mode is that water line insertion process pipeline creates condition, the intensity of blind flange is significantly impacted；Third is that insertion tube
In punch place and blind flange with the welding of angle-style welding form, resulting fillet weld is unfavorable for the heat treatment of pipeline, lossless inspection
Survey and hardness determination；Fourth is that especially heavy caliber high pressure is empty since injection facility is mainly used on the process pipelines of high pressure
On cooler suction line, thus it is harsher for the intensity requirement for injecting facility.In addition, according to " petrochemical pipe designs
Equipment select specification " SH/T3059-2011 regulation, when making reduced flange with standard flange lid, the size that punches maximum cannot
More than DN100.This today further enlarged for petrochemical equipment, it is clear that be a problem.
Utility model content
The utility model aim is to provide a kind of injection facility with nonstandard reduced flange form, is used for hydrogenation plant
The mixing of deaerated water and processing medium.By improving flange sealing structure, traditional blind flange is replaced using nonstandard reduced flange
The mode to punch, to maximize the intensity for retaining sealing element.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of pipeline for hydrogenation plant injects facility, including standard threeway, standard flange, standard sealing head, nonstandard different
Diameter flange, nonstandard reducing blind plate, insertion tube and nozzle；It is characterized by: the standard threeway and standard flange are welded into one
A entirety；Described nonstandard reduced flange one end is connect with standard flange, and the other end is connect with waterflood-transmission line butt welding；It is described nonstandard different
Diameter blind plate is arranged between nonstandard reduced flange and standard flange, and it is equipped with and the same diameter of insertion tube with standard flange connecting pin
Boss face, carry out butt welding connection for insertion tube and nonstandard reducing blind plate；The standard sealing head is welded on the end of insertion pipeline
End；The nozzle, is radially welded on insertion tube.
A kind of new injection facility of the utility model, it is further characterized by the nominal diameter of: the insertion tube with
The nominal diameter of the waterflood-transmission line is identical.2 to 4 pieces of limit plates are distributed along insertion pipe outer wall even circumferential, limited block is positioned at
Between the outer wall and standard threeway inner wall of insertion tube, for making in the insertion tube holding stabilization in swiftly flowing medium.
A kind of pipeline for hydrogenation plant of the utility model injects facility, it is further characterized by: it is described nonstandard different
Diameter flange one end and nonstandard reducing blind plate and standard flange are by standard bolt nut and Gaskets, with standard flange sealing pair
Form connection, the other end connect with the waterflood-transmission line butt welding.
A kind of pipeline for hydrogenation plant of the utility model injects facility, it is further characterized by: the standard three
It is logical identical as the caliber of process pipelines, it is welded into an entirety with the standard flange, is welded on process pipelines.
A kind of pipeline for hydrogenation plant of the utility model injects facility, it is further characterized by: it is described nonstandard different
The flange face of diameter flange is standard flange face, and the internal diameter of the nonstandard reduced flange is identical as the internal diameter of insertion tube.
A kind of pipeline for hydrogenation plant of the utility model injects facility, it is further characterized by: it is described nonstandard different
The flange face of diameter blind plate is standard flange face, and the internal diameter of the nonstandard reducing blind plate is identical as the internal diameter of insertion tube.It is described nonstandard
One end of reducing blind plate is equipped with 5 to 10mm boss, and the outer diameter of boss end is identical as the outer diameter of the insertion tube.
A kind of pipeline for hydrogenation plant of the utility model injects facility, it is further characterized by: the nozzle diameter
To being welded in insertion tube, direction flows to identical with process pipelines medium.The nozzle should be according to technology major to deaerated water
It sprays form (column, coniform, mist etc.), the requirement of flow and flow velocity selects the nozzle of respective model.The nozzle is determined
Position requires: when insertion tube insertion standard threeway and after the installation is completed, nozzle should be placed exactly in standard threeway processing medium and flow to side
Central axis on.
A kind of pipeline for hydrogenation plant of the utility model injects facility, it is further characterized by: the standard envelope
Head is Standard fittings, identical as the insertion pipeline outer diameter, directly to the end for being welded in the insertion tube.
Facility is injected using a kind of pipeline for hydrogenation plant of the utility model, the deaerated water in waterflood-transmission line from upper and
New injection facility described in lower vertical injection, then pass through the new injection facility, injection technology pipeline；It is described new
Injection facility can guide deaerated water to flow to, and reach deaerated water and processing medium steady flow in the same direction upon mixing, while can be with
Make deaerated water with column, the forms injection such as coniform or atomization shape increases deoxygenation water flow velocity and projected area, it is molten to maximize enhancing
The effect of ammonium salt is solved, to meet the requirement of technology major and actual production.
Compared with prior art, the utility model has an advantage that
(1) the utility model is able to solve the flange seal failure since blind flange punches the blind flange strength reduction of initiation
The problem of；
(2) the utility model device is simple, easy for installation, easy to maintain；
(3) the utility model is using common carbon steel, stainless steel or nickel-base alloy pipeline, pipe fitting, with material and manufacturing method
Simply, it is conveniently easy to get, it is cheap, it is a kind of economic and reliable, practical and effective pipeline assembly.
It is further to the utility model work detailed with the drawings and specific embodiments below, but attached drawing and specific embodiment party
Formula is not intended to limit the scope of the utility model.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of pipeline for hydrogenation plant of the utility model injects facility；
Fig. 2 the utility model pipeline injects the structural schematic diagram of the nonstandard reduced flange of facility；
Fig. 3 the utility model pipeline injects the structural schematic diagram of the nonstandard reducing blind plate of facility.
Appended drawing reference as shown in the figure are as follows:
1- standard threeway, the nonstandard reducing blind plate of 2-, 3- standard flange, the nonstandard reduced flange of 4-, 5- Gaskets,
6- standard bolt nut, 7- insertion tube, 8- standard sealing head, 9-limit plates, 10- nozzle.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
A kind of novel injection facility of the utility model, as shown in Fig. 1, comprising: standard threeway 1, nonstandard reducing blind plate
2, standard flange 3, nonstandard reduced flange 4, Gaskets 5；Standard bolt nut 6；Insertion tube 7, standard sealing head 8, limit plate 9,
Nozzle 10.Standard threeway 1 and standard flange 3 are welded into an entirety；Nonstandard 4 one end of reduced flange is connect with standard flange 3,
The other end is connect with waterflood-transmission line butt welding；Nonstandard reducing blind plate 2 is arranged between nonstandard reduced flange 4 and standard flange 3, and
It is equipped with 3 connecting pin of standard flange with insertion tube with the boss face of diameter, carries out pair for insertion tube 7 and nonstandard reducing blind plate 2
Weldering connection；Standard sealing head 8 is welded on the end of insertion tube 7；Nozzle 10 is radial to be welded on insertion tube.
The nominal diameter of insertion tube 7 is identical as the nominal diameter of the waterflood-transmission line.Along 7 outer wall even circumferential of insertion tube
4 pieces of limit plates 9 are distributed, limited block 9 is positioned between 1 inner wall of outer wall and standard threeway of insertion tube 7, for making in high speed
Insertion tube keeps stablizing in the medium of flowing.
Nonstandard reduced flange 4 and nonstandard reducing blind plate 2 use standard bolt nut 6 and standard between 3 three of standard flange
Gasket 5, is connected in the form of standard flange sealing pair, and the other end is connect with the waterflood-transmission line butt welding.Standard threeway 1 and technique
The caliber of pipeline is identical, is welded into an entirety with standard flange 3, is welded on process pipelines.
The flange face of nonstandard reduced flange 4 is standard flange face, internal diameter and the insertion tube 7 of the nonstandard reduced flange 4
Internal diameter is identical.
The flange face of nonstandard reducing blind plate 2 is standard flange face, the internal diameter of nonstandard reducing blind plate 2 and the internal diameter of insertion tube 7
It is identical.5 are equipped with to 10mm boss, the outer diameter phase of the outer diameter of boss end and the insertion tube 7 in one end of nonstandard reducing blind plate 2
Together.
Nozzle 10 is radial to be welded in insertion tube 7, identical towards flowing to process pipelines medium.The nozzle should basis
For technology major to deoxygenation water injection form (column, coniform, mist etc.), the requirement of flow and flow velocity selects respective model
Nozzle.The positioning requirements of the nozzle: when insertion tube insertion standard threeway and after the installation is completed, nozzle should be placed exactly in standard three
Logical processing medium flows on the central axis of side.
Standard sealing head 8 is Standard fittings, as the 7 line outer diameter of insertion tube identical, directly to being welded in the insertion pipeline
End.
The utility model applying working condition limits are as follows: waterflood-transmission line in vertical direction, flows from above to below practical new with this
Type injects the docking of facility vertical direction.The process pipelines standard threeway with the utility model injection facility in the horizontal direction
Butt welding connection
Direction shown in arrow is flow direction of medium in figure.The end A is top deaerated water inlet, conveys the water filling of deaerated water
Line connects at A with the utility model injection facility, sprays along direction shown in arrow to C-terminal after deaerated water injection.The end B is technique
Medium flows into end, and the processing medium of horizontal direction flows into the utility model injection facility from the end B, continues to run in the direction of the arrow
The end C mixes continuation with deaerated water and flows forward, enhances washing effect.
The above specific embodiment is the preferred embodiment of the utility model, can not be defined to the utility model,
The other any change made or other equivalent substitute modes without departing from the technical solution of the utility model, are included in
Within the protection scope of the utility model.
Claims (9)
1. a kind of pipeline for hydrogenation plant injects facility, including standard threeway, standard flange, standard sealing head, nonstandard reducing
Flange, nonstandard reducing blind plate, insertion tube and nozzle；It is characterized by: the standard threeway and standard flange are welded into one
It is whole；Described nonstandard reduced flange one end is connect with standard flange, and the other end is connect with waterflood-transmission line butt welding；The nonstandard reducing
Blind plate is arranged between nonstandard reduced flange and standard flange, and it is equipped with insertion tube with standard flange connecting pin with diameter
Boss face carries out butt welding connection for insertion tube and nonstandard reducing blind plate；The standard sealing head is welded on the end of insertion pipeline
End；The nozzle, is radially welded on insertion tube.
2. pipeline according to claim 1 injects facility, it is characterised in that: the nominal diameter of the insertion tube and the note
The nominal diameter of water pipeline is identical.
3. pipeline according to claim 1 injects facility, it is characterised in that: be distributed along the insertion pipe outer wall even circumferential
2 to 4 pieces of limit plates, limited block are positioned between the outer wall of insertion tube and standard threeway inner wall.
4. pipeline according to claim 1 injects facility, it is characterised in that: described nonstandard reduced flange one end with it is nonstandard different
Diameter blind plate and standard flange are connected, the other end by standard bolt nut and Gaskets in the form of standard flange sealing pair
It is connect with the waterflood-transmission line butt welding.
5. pipeline according to claim 1 injects facility, it is characterised in that: the standard threeway is welded into standard flange
It for an entirety, is welded on process pipelines, the standard threeway is identical as the caliber of process pipelines.
6. pipeline according to claim 1 injects facility, it is characterised in that: the flange face of the nonstandard reduced flange is mark
The internal diameter of quasi- flange face, the nonstandard reduced flange is identical as the internal diameter of insertion tube.
7. pipeline according to claim 1 injects facility, it is characterised in that: one end of the nonstandard reducing blind plate is equipped with 5
To 10mm boss, the outer diameter of boss end is identical as the outer diameter of the insertion tube.
8. pipeline according to claim 1 injects facility, it is characterised in that: the nozzle is radially welded in insertion tube,
When insertion tube insertion standard threeway and after the installation is completed, nozzle should be located on the central axis of standard threeway.
9. pipeline according to claim 1 injects facility, it is characterised in that: the standard sealing head is Standard fittings, with institute
It is identical to state insertion pipeline outer diameter, directly to the end for being welded in the insertion tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820796897.7U CN208982839U (en) | 2018-05-28 | 2018-05-28 | A kind of pipeline injection facility for hydrogenation plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820796897.7U CN208982839U (en) | 2018-05-28 | 2018-05-28 | A kind of pipeline injection facility for hydrogenation plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208982839U true CN208982839U (en) | 2019-06-14 |
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ID=66777344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820796897.7U Active CN208982839U (en) | 2018-05-28 | 2018-05-28 | A kind of pipeline injection facility for hydrogenation plant |
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| CN (1) | CN208982839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776920A (en) * | 2022-04-24 | 2022-07-22 | 洛阳瑞泽石化工程有限公司 | High-temperature air injection equipment for FRP pipeline |
-
2018
- 2018-05-28 CN CN201820796897.7U patent/CN208982839U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776920A (en) * | 2022-04-24 | 2022-07-22 | 洛阳瑞泽石化工程有限公司 | High-temperature air injection equipment for FRP pipeline |
| CN114776920B (en) * | 2022-04-24 | 2023-10-20 | 洛阳瑞泽石化工程有限公司 | High-temperature air injection equipment for FRP pipeline |
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