CN205042424U - Hydrogen and reaction feeding blender - Google Patents
Hydrogen and reaction feeding blender Download PDFInfo
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- CN205042424U CN205042424U CN201520724372.9U CN201520724372U CN205042424U CN 205042424 U CN205042424 U CN 205042424U CN 201520724372 U CN201520724372 U CN 201520724372U CN 205042424 U CN205042424 U CN 205042424U
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- reaction feed
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Abstract
The utility model discloses a hydrogen and reaction feeding blender, it is equipped with hydrogen pipe (1), reaction inlet pipe (2), mixture outlet pipe (3), current stabilizer (4), support ring (9), distributing pipe (6), locating plate (10), return bend subassembly. The current stabilizer is equipped with the centre bore, and the bottom is equipped with the recess. Holding ring (8) have all been welded to the top and the bottom of distributing pipe outer wall, be equipped with dispensing orifice (60) on the distributing pipe, be equipped with well axle (5) in the distributing pipe, between the top of distributing pipe inner wall and bottom and the well axle all the welding have backup pad (7). The bottom welding of mixture outlet pipe has mixture outlet pipe outlet side flange (11). The return bend subassembly is constituteed by return bend (13) and with return bend welded connection's return bend entrance side flange (12) and return bend outlet side flange (14). The utility model discloses install on the pipeline of petrochemical trade hydrogenated apparatus, hydrogenated unit reaction system when using, hydrogen supply gas mixes with the reaction feeding.
Description
Technical field
The utility model relates to a kind of hydrogen and reaction feed blender.Hydrogen and reaction feed blender are installed on the pipeline of petroleum chemical industry hydrogenation plant reaction system, mix with reaction feed for hydrogen.
Background technology
In petroleum chemical industry, the pipeline of some hydrogenation plants (such as the device such as hydrocracking, residual hydrogenation) reaction system is provided with hydrogen and reaction feed blender, mixes with reaction feed for hydrogen.The temperature of hydrogen is generally about 100 DEG C, and the temperature of reaction feed is generally 400 ~ 450 DEG C.Used hydrogen and reaction feed blender normally threeway blender, is made up of hydrogen pipe, reaction feed pipe and mixture effuser, in use mainly there is following two problems.(1) namely hydrogen start to contact, mix with hydrogen pipe and the connecting portion of mixture effuser at reaction feed pipe with reaction feed.The temperature difference due to hydrogen and reaction feed is comparatively large and directly contact with the connecting portion of hydrogen pipe with mixture effuser with reaction feed pipe, often causes above-mentioned connecting portion to occur Under Thermal Fatigue Damage phenomenon, causes and leak and unplanned shutdown.Threeway blender is welded to connect with the associated conduit in reaction system, takes off the threeway blender of damage and to change new threeway blender more difficult.(2) hydrogen and reaction feed are mixed to get uneven, thus make threeway blender produce vibration.The vibrational energy of threeway blender causes the pipeline in the reaction system be connected with threeway blender also to vibrate further.
Summary of the invention
The purpose of this utility model is to provide a kind of hydrogen and reaction feed blender, to mix uneven to solve appearance Under Thermal Fatigue Damage that existing hydrogen and reaction feed blender exist, hydrogen thus causes the problem of vibration with reaction feed.
For solving the problem, the technical solution adopted in the utility model is: a kind of hydrogen and reaction feed blender, be provided with hydrogen pipe, reaction feed pipe and mixture effuser, hydrogen pipe and mixture effuser coaxial from top to bottom, vertical setting, it is characterized in that: in hydrogen pipe, be provided with flow straightener, flow straightener is welded on the inwall of hydrogen pipe, the support ring of annular is provided with in mixture effuser, support ring is welded on the inwall of mixture effuser, flow straightener is provided with centre bore, bottom is provided with the groove of annular, distributing pipe is provided with in hydrogen pipe and mixture effuser, the top of distributing pipe outer wall and bottom are all welded with the locating ring of annular, the external cylindrical surface of two locating rings interference fit respectively and between groove and the inner cylinder face of support ring, form metal hard-sealing, distributing pipe is provided with dispensing orifice, center bar is provided with in distributing pipe, the top of distributing pipe inwall and be all welded with gripper shoe between bottom and center bar, the below of distributing pipe is provided with location-plate, on the inwall that location-plate is welded in mixture effuser and/or support ring, the bottom welding of mixture effuser has mixture effuser outlet side flange, hydrogen and reaction feed blender are provided with winding pipe assembly, winding pipe assembly is made up of bend pipe and the elbow inlet side flange be connected with elbow pipe welding and winding pipe exit side flange, mixture effuser outlet side flange is connected with elbow inlet side flange.
Adopt the utility model, there is following beneficial effect: (1) hydrogen and reaction feed to contact with reaction feed mixed zone at inwall and the hydrogen between center bar of distributing pipe and mix, the reaction feed that reaction feed pipe is only higher with temperature with the connecting portion of mixture effuser with hydrogen pipe contacts, the hydrogen that Contact Temperature is not lower, therefore there will not be Under Thermal Fatigue Damage phenomenon.(2) any position of flow straightener does not contact with reaction feed with hydrogen simultaneously, there will not be Under Thermal Fatigue Damage phenomenon.(3) distributing pipe, center bar, locating ring and gripper shoe composition distributing pipe-center bar assembly, likely there is Under Thermal Fatigue Damage phenomenon in distributing pipe wherein.But it is because the inside and outside differential pressure of distributing pipe is little, even if there is Under Thermal Fatigue Damage phenomenon, also less on the impact of blender and pipe safety.In addition, unload winding pipe assembly and location-plate, distributing pipe-center bar assembly can be extracted out, carry out checking or changing.Above-mentioned process is fairly simple, be easy to carry out.(4) the utility model can make hydrogen and reaction feed Homogeneous phase mixing (referring to the explanation of this description detailed description of the invention part), thus hydrogen and reaction feed blender and coupled pipeline can be avoided to produce vibrate.(5) firm in structure, good reliability of the present utility model, ability high-pressure medium impacts, practical.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.The drawings and specific embodiments do not limit the claimed scope of the utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model hydrogen and reaction feed blender.
Fig. 2 is the perspective exploded view of partial component in the hydrogen shown in Fig. 1 and reaction feed blender.
In Fig. 1 and Fig. 2, same reference numerals represents identical technical characteristic.
Detailed description of the invention
See Fig. 1 and Fig. 2, hydrogen of the present utility model and reaction feed blender are provided with hydrogen pipe 1, reaction feed pipe 2 and mixture effuser 3, and they are all shape of cross sections is circular pipe.Hydrogen pipe 1 and mixture effuser 3 from top to bottom coaxially, vertically to arrange, reaction feed pipe 2 is horizontally disposed with.Hydrogen pipe 1, mixture effuser 3 and reaction feed pipe 2 make integrated support structure usually.
Be provided with flow straightener 4 in hydrogen pipe 1, flow straightener 4 is welded on the inwall of hydrogen pipe 1.Be provided with the support ring 9 of annular in mixture effuser 3, support ring 9 is welded on the inwall of mixture effuser 3.Flow straightener 4 is provided with centre bore, and bottom is provided with the groove 40 of annular.Distributing pipe 6 is provided with in hydrogen pipe 1 and mixture effuser 3.Centre bore and the groove 40 of flow straightener 4 are coaxial with distributing pipe 6, and centre bore communicates with distributing pipe 6.The global shape of flow straightener 4 is be provided with centre bore and groove 40 cylindrical, and its external cylindrical surface contacts with the inwall of hydrogen pipe 1.The centre bore of flow straightener 4 is generally made up of (as shown in Figure 1) the inverted round table shape perforate on top and the cylindrical aperture of bottom, and the perforate of inverted round table shape can reduce the flow resistance of hydrogen.Angle between the bus of inverted round table shape and horizontal plane is generally 55 ~ 70 degree.The centre bore of flow straightener 4 can be also only cylindrical aperture, and figure slightly.
Distributing pipe 6 is shape of cross sections is circular pipe, coaxially arranges with hydrogen pipe 1 and mixture effuser 3.Forming reactions feed flow path between distributing pipe 6 outer wall, hydrogen pipe 1 inwall, mixture effuser 3 inwall, reaction feed pipe 2 communicates with reaction feed flow channel.The external cylindrical surface that the top of distributing pipe 6 outer wall and bottom are all welded with locating ring 8, two locating rings 8 of annular interference fit respectively and between the inner cylinder face of groove 40 and support ring 9, form metal hard-sealing.Can on the inner cylinder face of the external cylindrical surface of two locating rings 8, groove 40 and support ring 9 equal build-up wear-resistant damage, the carbide alloy (such as stellite) of corrosion-resistant, resistance to high temperature oxidation, to form described metal hard-sealing.
Distributing pipe 6 is provided with multiple dispensing orifice 60.Dispensing orifice 60 is generally circular port, and diameter is generally 10 ~ 15 millimeters.Be provided with center bar 5 in distributing pipe 6, the shape of cross section of center bar 5 is circular, coaxially arranges with distributing pipe 6.The top of center bar 5 is generally taper shape, to reduce the flow resistance of hydrogen.Angle between circle element of a cone and horizontal plane is generally 55 ~ 70 degree.The top of center bar 5 also can be cylindrical, and figure slightly.The top of distributing pipe 6 inwall and be all welded with gripper shoe 7 between bottom and center bar 5; Gripper shoe 7 is rectangular flat plate, on the inwall that two ends are welded in distributing pipe 6 respectively and center bar 5.The top of distributing pipe 6 inwall and usually all weld 3 ~ 4 pieces of gripper shoes 7 between bottom with center bar 5, the axial line around distributing pipe 6 and center bar 5 is uniformly distributed.As shown in Figure 2, the bottom of distributing pipe 6 inwall is 4 pieces of gripper shoes 7 with what weld between center bar 5.The wall thickness of distributing pipe 6 is thinner (being generally 10 ~ 16 millimeters), arranges center bar 5 and gripper shoe 7 is to support distributing pipe 6.
Distributing pipe 6, center bar 5, locating ring 8 and gripper shoe 7 form distributing pipe-center bar assembly.Form hydrogen and reaction feed mixed zone between the inwall of distributing pipe 6 and center bar 5, the shape of cross section of hydrogen and reaction feed mixed zone is annular.
The below of distributing pipe 6 is provided with location-plate 10, and location-plate 10 is rectangular flat plate, on the inwall being welded in mixture effuser 3 and/or support ring 9.Location-plate 10 shown in Fig. 2 is two pieces, and two pieces of location-plates 10 intersect (being welded to connect) at middle part, and intersection is coaxial with the axial line of hydrogen pipe 1 and mixture effuser 3.The bottom of the top of location-plate 10 and distributing pipe-center bar assembly, the bottom connection of support ring 9 are touched, and have supporting role to distributing pipe-center bar assembly.The bottom welding of mixture effuser 3 has mixture effuser outlet side flange 11.
The utility model hydrogen and reaction feed blender are provided with winding pipe assembly, and winding pipe assembly is made up of bend pipe 13 and the elbow inlet side flange 12 be welded to connect with bend pipe 13 and winding pipe exit side flange 14.Mixture effuser outlet side flange 11 is connected with elbow inlet side flange 12.
The utility model, hydrogen pipe 1, reaction feed pipe 2, mixture effuser 3, flow straightener 4, support ring 9, location-plate 10, mixture effuser outlet side flange 11, bend pipe 13, elbow inlet side flange 12 and winding pipe exit side flange 14 use high temperature resistant resistant to hydrogen stainless steel (such as TP347H, TP321) to manufacture usually.Center bar 5, distributing pipe 6, gripper shoe 7 and locating ring 8 use Nickel-Based Steel (such as ALLOYNO8800) to manufacture usually.
The utility model is installed on the pipeline of petroleum chemical industry hydrogenation plant reaction system in use.Hydrogen Line wherein in the top of hydrogen pipe 1 and reaction system is welded to connect, and the end of reaction feed pipe 2 is connected with the reaction feed pipeline welding in reaction system, and winding pipe exit side flange 14 and the mixture conduit Flange joint in reaction system, figure slightly.
Carry out in the process mixed in hydrogen and reaction feed, hydrogen 16 is flowed downward by the centre bore of flow straightener 4, enters hydrogen and reaction feed mixed zone.Reaction feed 15 enters reaction feed flow channel by reaction feed pipe 2, the more multiple dispensing orifices 60 on distributing pipe 6 enter hydrogen and reaction feed mixed zone.Reaction feed 15 is divided into multiply when flowing through multiple dispensing orifice 60, fully can contact and Homogeneous phase mixing with hydrogen 16.The mixture 17 that hydrogen 16 and reaction feed 15 are formed flows downward, and flows through mixture effuser outlet side flange 11, elbow inlet side flange 12, bend pipe 13, finally flows out from winding pipe exit side flange 14.
In above-mentioned mixed process, the temperature of hydrogen 16 is generally about 100 DEG C, and operating pressure is generally about 18MPa.The temperature of reaction feed 15 is generally 400 ~ 450 DEG C, and operating pressure is generally about 18MPa.
Claims (3)
1. a hydrogen and reaction feed blender, be provided with hydrogen pipe (1), reaction feed pipe (2) and mixture effuser (3), hydrogen pipe (1) and mixture effuser (3) coaxial from top to bottom, vertical setting, it is characterized in that: in hydrogen pipe (1), be provided with flow straightener (4), flow straightener (4) is welded on the inwall of hydrogen pipe (1), the support ring (9) of annular is provided with in mixture effuser (3), support ring (9) is welded on the inwall of mixture effuser (3), flow straightener (4) is provided with centre bore, bottom is provided with the groove (40) of annular, distributing pipe (6) is provided with in hydrogen pipe (1) and mixture effuser (3), the top of distributing pipe (6) outer wall and bottom are all welded with the locating ring (8) of annular, the external cylindrical surface of two locating rings (8) interference fit respectively and between the inner cylinder face of groove (40) and support ring (9), form metal hard-sealing, distributing pipe (6) is provided with dispensing orifice (60), center bar (5) is provided with in distributing pipe (6), the top of distributing pipe (6) inwall and be all welded with gripper shoe (7) between bottom and center bar (5), the below of distributing pipe (6) is provided with location-plate (10), on the inwall that location-plate (10) is welded in mixture effuser (3) and/or support ring (9), the bottom welding of mixture effuser (3) has mixture effuser outlet side flange (11), hydrogen and reaction feed blender are provided with winding pipe assembly, winding pipe assembly is made up of bend pipe (13) and the elbow inlet side flange (12) be welded to connect with bend pipe (13) and winding pipe exit side flange (14), mixture effuser outlet side flange (11) is connected with elbow inlet side flange (12).
2. hydrogen according to claim 1 and reaction feed blender, is characterized in that: the centre bore of flow straightener (4) is made up of the inverted round table shape perforate on top and the cylindrical aperture of bottom.
3. hydrogen according to claim 1 and 2 and reaction feed blender, is characterized in that: the top of center bar (5) is for conical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520724372.9U CN205042424U (en) | 2015-09-18 | 2015-09-18 | Hydrogen and reaction feeding blender |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520724372.9U CN205042424U (en) | 2015-09-18 | 2015-09-18 | Hydrogen and reaction feeding blender |
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| CN205042424U true CN205042424U (en) | 2016-02-24 |
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| CN201520724372.9U Active CN205042424U (en) | 2015-09-18 | 2015-09-18 | Hydrogen and reaction feeding blender |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108636155A (en) * | 2018-05-28 | 2018-10-12 | 佛山市高明区杨和金属材料专业镇技术创新中心 | Venturi mixer |
| CN108704503A (en) * | 2018-05-28 | 2018-10-26 | 佛山市高明区杨和金属材料专业镇技术创新中心 | A kind of venturi type mixer |
| CN108744921A (en) * | 2018-07-02 | 2018-11-06 | 东莞市绿志节能科技有限公司 | A kind of ozone combined U V photodissociation emission-control equipments |
-
2015
- 2015-09-18 CN CN201520724372.9U patent/CN205042424U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108636155A (en) * | 2018-05-28 | 2018-10-12 | 佛山市高明区杨和金属材料专业镇技术创新中心 | Venturi mixer |
| CN108704503A (en) * | 2018-05-28 | 2018-10-26 | 佛山市高明区杨和金属材料专业镇技术创新中心 | A kind of venturi type mixer |
| CN108704503B (en) * | 2018-05-28 | 2021-02-26 | 佛山市高明区杨和金属材料专业镇技术创新中心 | Venturi type mixer |
| CN108636155B (en) * | 2018-05-28 | 2021-05-11 | 佛山市高明区杨和金属材料专业镇技术创新中心 | Venturi mixer |
| CN108744921A (en) * | 2018-07-02 | 2018-11-06 | 东莞市绿志节能科技有限公司 | A kind of ozone combined U V photodissociation emission-control equipments |
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