CN214368371U - High-low pipeline connecting node for seawater desalination - Google Patents
High-low pipeline connecting node for seawater desalination Download PDFInfo
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- CN214368371U CN214368371U CN202022786174.9U CN202022786174U CN214368371U CN 214368371 U CN214368371 U CN 214368371U CN 202022786174 U CN202022786174 U CN 202022786174U CN 214368371 U CN214368371 U CN 214368371U
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Abstract
The utility model belongs to the technical field of high-low pressure pipe connection technique and specifically relates to a sea water desalination high-low pipeline connected node and is equipped with high-pressure pipeline, low-pressure pipeline and high-pressure valve, its characterized in that high-pressure pipeline's tip be equipped with high-pressure flange, high-pressure flange is connected with a side flange of high-pressure valve, and high-pressure valve's opposite side is equipped with the transition nozzle stub, and the one end of transition nozzle stub is connected with high-pressure valve's opposite side through high-pressure flange, and the other end of transition nozzle stub is connected with low-pressure pipeline through flange, the diameter of transition nozzle stub the same with the diameter of low-pressure pipeline and high-pressure pipeline, the length of transition nozzle stub is 2 times of the diameter of transition nozzle stub, has advantages such as simple structure, simple to operate, long service life, not fragile.
Description
Technical Field
The utility model belongs to the technical field of high-low pressure pipe connection technique and specifically relates to a simple structure, simple to operate, long service life, not fragile sea water desalination high-low pipeline connected node.
Background
As is well known, the application of sea water desalination is more and more extensive, and the valves for connecting the water inlet pipeline and the water outlet pipeline with the reverse osmosis in the sea water desalination are generally connected by flanges, i.e. the high-pressure valve is connected between the high-pressure pipeline and the low-pressure pipeline, and the two sides of the valve are made of different materials for the high-pressure pipeline and the low-pressure pipeline, so that the following problems exist: the high-pressure pipeline is generally made of pressure-bearing and corrosion-resistant 2205 dual-phase steel, the low-pressure pipeline is generally made of carbon steel lining plastic or UPVC (unplasticized polyvinyl chloride) pipeline, and the plastic lining layer or UPVC flange is broken due to overhigh valve tightness, so that water leakage is caused, and frequent maintenance is needed.
Disclosure of Invention
The utility model aims at solving the defects of the prior art and providing a seawater desalination high-low pipeline connecting node which has simple structure, convenient installation, long service life and difficult damage.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a sea water desalination high-low pipeline connected node, is equipped with high-pressure line, low-pressure pipeline and high-pressure valve, its characterized in that high-pressure line's tip be equipped with high-pressure flange, high-pressure flange is connected with one side flange of high-pressure valve, the opposite side of high-pressure valve is equipped with the transition nozzle stub, the one end of transition nozzle stub is connected with the opposite side of high-pressure valve through high-pressure flange, the other end of transition nozzle stub is connected with the low-pressure pipeline through flange, the diameter of transition nozzle stub the same with the diameter of low-pressure pipeline and high-pressure pipeline, the length of transition nozzle stub is 2 times of the diameter of transition nozzle stub.
The transition short pipe adopts a 2205 double-phase steel material with pressure bearing and corrosion resistance.
The high-pressure flange comprises a disk body and an enhancer, wherein one side of the disk body is provided with the enhancer, the enhancer is in a circular platform tubular shape, the flaring end of the circular platform tubular enhancer is connected with the side surface of the disk body, the inner diameter of the necking end of the circular platform tubular enhancer is the same as the outer diameters of a high-pressure pipeline and a transition short pipe, the disk surface of the other side of the disk body is provided with a second-stage step ring groove, the second-stage step ring groove comprises an annular inner groove and an annular outer groove, the circumferential end surface of the annular inner groove is uniformly provided with clamping plates, a clamping cavity is formed between each clamping plate and the groove surface of the annular inner groove, the end part of the high-pressure pipeline and the transition short pipe is connected with an annular plate, the circumferential outer end of the annular plate is provided with a clamping bulge matched with the clamping cavity, the clamping bulge extends into the clamping cavity to realize the clamping of the high-pressure pipeline and the transition short pipe, and the annular outer groove is provided with a sealing end plate, the sealed end plate includes annular cover plate and blocks the boss, annular cover plate's internal diameter the same with the disk body internal diameter, the equipartition is equipped with the boss that blocks the cavity between the joint board on annular cover plate's the face, seals the recess behind joint board and the annular cover plate connection through blocking the boss.
Closed end plate on be equipped with the counter sink, the disk body on be equipped with the screw hole that corresponds with the counter sink position, be equipped with countersunk bolt in the counter sink, countersunk bolt passes the screw hole on counter sink and the disk body and is connected.
The medial surface of joint board establish to the section along the circumferencial direction slope, the joint arch establish to the section with joint board complex slope, lock through the section.
Protruding section of joint on be equipped with the elastic sealing pad, the protruding fixed connection of elastic sealing pad and joint further locks the joint arch and joint board through the elastic sealing pad, prevents that the joint arch from rocking in the joint intracavity.
The circumference of disk body on be equipped with the connecting hole, realize being connected of flange and high-pressure valve through the connecting hole on the disk body.
The utility model discloses owing to adopt above-mentioned structure, have simple structure, simple to operate, long service life, advantage such as not fragile.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a connection structure diagram of the middle-high pressure pipeline or the transition short pipe and the high pressure flange of the utility model.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a right side view of the fig. 2 non-closed end panel.
Fig. 5 is a left side view of the closed end panel of fig. 2.
Fig. 6 is a right side view of the closed end panel of fig. 2.
Fig. 7 is a view showing the connection relationship between the engaging protrusion and the engaging plate B in fig. 2.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in the attached drawing, the high-low pipeline connecting node for seawater desalination is provided with a high-pressure pipeline 1, a low-pressure pipeline 2 and a high-pressure valve 3, and is characterized in that a high-pressure flange 4 is arranged at the end part of the high-pressure pipeline 1, the high-pressure flange 4 is connected with a flange on one side of the high-pressure valve 3, a transition short pipe 5 is arranged on the other side of the high-pressure valve 3, one end of the transition short pipe 5 is connected with the other side of the high-pressure valve 3 through the high-pressure flange 4, the other end of the transition short pipe 5 is connected with the low-pressure pipeline 2 through a connecting flange, the diameter of the transition short pipe 5 is the same as that of the low-pressure pipeline 2 and the high-pressure pipeline 1, and the length of the transition short pipe 5 is 2 times that of the transition short pipe 5.
Furthermore, the transition short pipe 5 is made of 2205 dual-phase steel which is pressure-bearing and corrosion-resistant.
Further, the high-pressure flange 4 comprises a disk body 6 and an enhancing body 7, the enhancing body 7 is arranged on one side of the disk body 6, the enhancing body 7 is in a circular truncated cone shape, the flaring end of the circular truncated cone-shaped enhancing body 7 is connected with the side surface of the disk body 6, the inner diameter of the necking end of the circular truncated cone-shaped enhancing body 7 is the same as the outer diameters of the high-pressure pipeline 1 and the transition short pipe 5, a second-stage step annular groove is arranged on the disk surface on the other side of the disk body 6 and comprises an annular inner groove 8 and an annular outer groove 9, clamping plates 10 are uniformly distributed on the circumferential end surface of the annular inner groove 8, a clamping cavity 11 is formed between the clamping plates 10 and the groove surface of the annular inner groove 8, a connecting ring 12 is arranged at the end part of the high-pressure pipeline 1 and the transition short pipe 5, a clamping bulge 13 matched with the clamping cavity 11 is arranged at the circumferential outer end of the annular plate 12, and the clamping bulge 13 extends into the clamping cavity 11 to realize the clamping connection of the high-pressure pipeline 1 and the transition short pipe 5, annular outer tank 9 on be equipped with closed end plate 14, closed end plate 14 includes annular cover plate 16 and blocks boss 15, annular cover plate 16's internal diameter the same with 6 internal diameters of disk body, the equipartition is equipped with the block boss 15 that blocks the cavity between joint board 10 on annular cover plate 16's the face, seals through the recess after joint board 10 and annular cover plate 16 are connected blocking boss 15.
Furthermore, a counter bore 17 is arranged on the closed end plate 14, a threaded hole 18 corresponding to the counter bore 17 is arranged on the tray body 6, a counter bolt 19 is arranged in the counter bore 17, and the counter bolt 19 penetrates through the counter bore 17 to be connected with the threaded hole 18 on the tray body 6.
Further, the inner side surface of the clamping plate 10 is a section inclined along the circumferential direction, and the clamping protrusion 13 is a section inclined to match with the clamping plate 10 and is locked by the section.
Further, protruding 13's of joint section on be equipped with elastic sealing pad 20, elastic sealing pad 20 and the protruding 13 fixed connection of joint, further lock joint protruding 13 and joint board 10 through elastic sealing pad 20, prevent that joint protruding 13 from rocking in joint chamber 11.
Furthermore, the circumference of the disk body 6 is provided with a connecting hole 21, and the flange is connected with the high-pressure valve 3 through the connecting hole 21 on the disk body 6.
When the utility model is used, firstly the high-pressure pipeline 1 passes through the disk body 6 of the high-pressure flange 4 and the reinforcing body 7 and then is connected with the annular plate 12, the clamping bulge 13 on the annular plate 12 is inserted between the clamping plates 10 of the disk body 6, then the disk body 6 is rotated to ensure that the clamping bulge 13 is inserted into the clamping cavity 11 between the clamping plates 10 and the disk body 6 and locked, then the closed end plate 14 is covered on the side surface of the disk body 6, the blocking lug boss 15 on the closed end plate 14 is inserted into the annular inner groove 8 between the clamping plates 10 and locked through the countersunk head bolt 19, the high-pressure flange 4 is connected with the high-pressure pipeline 1 and then is connected with one end of the high-pressure valve 3, then the transition short pipe 5 is connected with the high-pressure flange 4 through the same method, one end of the transition short pipe 5 is connected with the annular plate 12, the other end is connected with the common connecting flange, one side of the annular plate 12 of the transition short pipe 5 is connected with the high-pressure flange 4, this side high-pressure flange 4 is connected with high-pressure valve 3's the other end, realizes that transition nozzle stub 5 is connected with high- pressure valve 3, and 5 opposite sides of transition nozzle stub are connected with low pressure pipeline 2 through ordinary flange, can effectually avoid because the not enough leakage that causes of 3 tight powers of high-pressure valve through this kind of connected mode, or the pipeline that tight power is too big to cause is impaired, disk body, joint board and closed end plate be equipped with sealed the pad respectively, through sealed sealing connection of filling up, because high-pressure flange's structural style has increased the compressive strength of high-pressure pipeline and high-pressure valve, long service life to sealed effectual, the utility model discloses owing to adopt above-mentioned structure, have advantages such as simple structure, simple to operate, long service life, not fragile.
Claims (6)
1. The utility model provides a sea water desalination high-low pipeline connected node, is equipped with high-pressure line, low-pressure pipeline and high-pressure valve, its characterized in that high-pressure line's tip be equipped with high-pressure flange, high-pressure flange is connected with one side flange of high-pressure valve, the opposite side of high-pressure valve is equipped with the transition nozzle stub, the one end of transition nozzle stub is connected with the opposite side of high-pressure valve through high-pressure flange, the other end of transition nozzle stub is connected with the low-pressure pipeline through flange, the diameter of transition nozzle stub the same with the diameter of low-pressure pipeline and high-pressure pipeline, the length of transition nozzle stub is 2 times of the diameter of transition nozzle stub.
2. The connection node of seawater desalination high-low pipelines according to claim 1, characterized in that the high-pressure flange comprises a disk body and an enhancing body, one side of the disk body is provided with the enhancing body, the enhancing body is in a shape of a circular truncated cone, the flaring end of the circular truncated cone-shaped enhancing body is connected with the side surface of the disk body, the inner diameter of the flaring end of the circular truncated cone-shaped enhancing body is the same as the outer diameters of the high-pressure pipeline and the transition short pipe, the disk surface of the other side of the disk body is provided with a two-stage step annular groove, the two-stage step annular groove comprises an annular inner groove and an annular outer groove, the circumferential end surface of the annular inner groove is uniformly provided with clamping plates, a clamping cavity is formed between the clamping plates and the groove surface of the annular inner groove, the ends of the high-pressure pipeline and the transition short pipe are connected with an annular plate, the circumferential outer end of the annular plate is provided with a clamping protrusion matched with the clamping cavity, and the clamping protrusion extends into the clamping cavity to realize the clamping connection of the high-pressure pipeline and the transition short pipe, the annular outer tank on be equipped with the closed end plate, the closed end plate includes annular cover plate and blocks the boss, annular cover plate's internal diameter the same with the disk body internal diameter, the equipartition is equipped with the boss that blocks the cavity between the joint board on the face of annular cover plate, seals the recess behind joint board and the annular cover plate connection through blocking the boss.
3. The connection node of seawater desalination high and low pipelines as claimed in claim 2, wherein the closed end plate is provided with a countersunk hole, the tray body is provided with a threaded hole corresponding to the position of the countersunk hole, and a countersunk bolt is arranged in the countersunk hole and passes through the countersunk hole to be connected with the threaded hole on the tray body.
4. The seawater desalination high-low pipeline connecting joint as claimed in claim 2, wherein the inner side surface of the clamping plate is provided with a section inclined along the circumferential direction, and the clamping protrusion is provided with an inclined section matched with the clamping plate.
5. The connection node of seawater desalination high and low pipelines according to claim 2, wherein the cross section of the clamping protrusion is provided with an elastic sealing gasket, the elastic sealing gasket is fixedly connected with the clamping protrusion, and the clamping protrusion and the clamping plate are further locked through the elastic sealing gasket.
6. The connection joint of seawater desalination high-low pipeline as claimed in claim 2, wherein the circumference of the disc body is provided with connection holes, and the connection of the flange and the high-pressure valve is realized through the connection holes on the disc body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022786174.9U CN214368371U (en) | 2020-11-27 | 2020-11-27 | High-low pipeline connecting node for seawater desalination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022786174.9U CN214368371U (en) | 2020-11-27 | 2020-11-27 | High-low pipeline connecting node for seawater desalination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214368371U true CN214368371U (en) | 2021-10-08 |
Family
ID=77979444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022786174.9U Active CN214368371U (en) | 2020-11-27 | 2020-11-27 | High-low pipeline connecting node for seawater desalination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214368371U (en) |
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2020
- 2020-11-27 CN CN202022786174.9U patent/CN214368371U/en active Active
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