CN117628266A - Synthetic tower pressure reducing valve based on prevent blockking up - Google Patents
Synthetic tower pressure reducing valve based on prevent blockking up Download PDFInfo
- Publication number
- CN117628266A CN117628266A CN202311747982.6A CN202311747982A CN117628266A CN 117628266 A CN117628266 A CN 117628266A CN 202311747982 A CN202311747982 A CN 202311747982A CN 117628266 A CN117628266 A CN 117628266A
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- China
- Prior art keywords
- valve
- adjusting
- pressure reducing
- valve body
- nozzle
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Links
- 210000004907 gland Anatomy 0.000 claims abstract description 15
- 238000012856 packing Methods 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims description 19
- 230000015572 biosynthetic process Effects 0.000 claims 6
- 238000003786 synthesis reaction Methods 0.000 claims 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000013078 crystal Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 230000006837 decompression Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The invention discloses an anti-blocking synthetic tower pressure reducing valve, which comprises a valve body, wherein a packing gland is arranged at the upper end of the valve body, a valve cover is arranged at the upper end of the packing gland, a fastening screw is connected at the joint of the packing gland and the valve cover in a threaded manner, an adjusting component is arranged at the inner side of the valve body, a pressure reducing component is arranged at the lower end of the adjusting component, the adjusting screw is arranged at the inner side of the valve body, an adjusting tension spring is fixed at the lower end of the adjusting screw, an adjusting spanner rod is arranged at the upper end of the valve cover, a hand wheel is fixedly connected at the upper end of the adjusting spanner rod, a nozzle is fixedly connected with the adjusting tension spring, three groups of adjusting valves are arranged at the lower end of the nozzle, a valve core is fixedly connected at the middle section of each adjusting valve, an outlet valve is fixedly arranged at the lower end of the valve body, an exhaust valve port is arranged at the inner side of the outlet valve, a small hole is easy to cause blocking in the production process, and uncertainty of valve position control is caused.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a synthetic tower pressure reducing valve based on anti-blocking.
Background
A shut-off valve is one of the most widely used valves. Because the friction force between the sealing surfaces in the opening and closing process is small, the sealing surface is durable, the opening height is small, the manufacturing is easy, the maintenance is convenient, and the sealing surface is not only suitable for medium and low pressure environments, but also suitable for high pressure environments. The closing principle of the stop valve is that the valve clack sealing surface is tightly attached to the valve seat sealing surface by means of the valve lever pressure, so that medium circulation is prevented.
At present, as the electric regulating valve has too much moment, the reducing valve is additionally arranged, the regulating speed is too slow, the pressure change is not followed, the automatic control difficulty is increased, the regulating precision can not meet the control requirement, the reducing valve body adopts a honeycomb stop valve, tiny solid crystal particles exist in the production process, small holes (maximum 4 mm) are easy to be blocked, the uncertainty of valve position control is caused, the valve opening can not be accurately calculated by automatic control, the control precision is very poor, and a certain potential safety hazard exists.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a synthetic tower pressure reducing valve based on anti-blocking.
In order to achieve the above purpose, the present invention provides the following technical solutions: the valve comprises a valve body, wherein a packing gland is arranged at the upper end of the valve body, a valve cover is arranged at the upper end of the packing gland, a set screw is connected with the joint of the packing gland and the valve cover in a threaded manner, an adjusting component is arranged on the inner side of the valve body, and a pressure reducing component is arranged at the lower end of the adjusting component.
The invention is further provided with: the adjusting assembly comprises an adjusting screw, the adjusting screw is arranged on the inner side of the valve body, and an adjusting tension spring is fixed at the lower end of the adjusting screw.
The invention is further provided with: the upper end of the valve cover is provided with an adjusting spanner, the upper end of the adjusting spanner is fixedly connected with a hand wheel, and the adjusting screw penetrates through the valve cover and is in threaded connection with the adjusting spanner.
The invention is further provided with: the pressure reducing assembly comprises a nozzle, the nozzle is fixedly connected with an adjusting tension spring, three groups of adjusting valves are arranged at the lower end of the nozzle, valve cores are fixedly connected to the middle sections of the three groups of adjusting valves, and the valve cores at the top end are connected with the nozzle.
The invention is further provided with: the lower extreme fixedly connected with throttle awl of governing valve, the piston rod is installed to the lower extreme of throttle awl, the valve port has been seted up to the lower extreme of throttle awl, the piston rod runs through in the valve port.
The invention is further provided with: an outlet valve is fixedly arranged at the lower end of the valve body, an exhaust valve port is formed in the inner side of the outlet valve, and the exhaust valve port is communicated with the regulating valve.
The invention is further provided with: a drain valve is fixedly arranged at the side end of the valve body, and a valve port of the drain valve is communicated with the regulating valve.
The invention has the advantages that: when crystals larger than mm accumulate, the operation is switched to manual operation, the opening of the valve port is transferred to the manual original opening, the tower pressure is reduced, and the opening of the valve port is manually increased until crystals are discharged from the blow-off valve, so that a large amount of water is prevented from being washed.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a schematic view of a partial enlarged structure of the present invention;
in the figure: 1. a valve body; 2. a valve port; 3. an exhaust valve port; 4. a valve cover; 5. a set screw; 7. a blow-down valve; 8. a packing gland; 9. adjusting a screw; 10. adjusting the spanner rod; 11. a regulating valve; 12. a valve core; 13. adjusting a tension spring; 14. a nozzle; 15. an outlet valve; 16. a hand wheel; 17. a throttle cone; 18. a piston rod.
Detailed Description
It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
In the present invention, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: including valve body 1, the upper end of valve body 1 is provided with gland 8, and the upper end of gland 8 is provided with valve gap 4, and gland 8 and the junction threaded connection of valve gap 4 have holding screw 5, and the inboard of valve body 1 is provided with adjusting part, and adjusting part's lower extreme is provided with the relief pressure subassembly.
The adjusting assembly comprises an adjusting screw rod 9, the adjusting screw rod 9 is arranged on the inner side of the valve body 1, and an adjusting tension spring 13 is fixed at the lower end of the adjusting screw rod 9.
The upper end of the valve cover 4 is provided with an adjusting spanner 10, the upper end of the adjusting spanner 10 is fixedly connected with a hand wheel 16, and an adjusting screw 9 penetrates through the valve cover 4 and is in threaded connection with the adjusting spanner 10.
The decompression assembly comprises a nozzle 14, the nozzle 14 is fixedly connected with an adjusting tension spring 13, three groups of adjusting valves 11 are arranged at the lower end of the nozzle 14, valve cores 12 are fixedly connected to the middle sections of the three groups of adjusting valves 11, and the valve cores 12 at the top end are connected with the nozzle 14.
The lower extreme fixedly connected with throttle cone 17 of governing valve 11, piston rod 18 is installed to the lower extreme of throttle cone 17, and valve port 2 has been seted up to the lower extreme of throttle cone 17, and piston rod 18 runs through in valve port 2.
An outlet valve 15 is fixedly arranged at the lower end of the valve body 1, an exhaust valve port 3 is arranged on the inner side of the outlet valve 15, and the exhaust valve port 3 is communicated with the regulating valve 11.
A drain valve 7 is fixedly arranged at the side end of the valve body 1, and a valve port of the drain valve 7 is communicated with a regulating valve 11.
Examples
Specifically, before the pressure reducing valve starts to operate, the valve cover 4 is connected with the packing gland 8 through the set screw 5, then the packing gland 8 is connected with the valve body 1, when the output pressure is larger or the drift diameter is larger, the regulating spanner 10 can be controlled through the hand wheel 16, the regulating spanner 10 moves upwards to drive the regulating screw 9 to move upwards, the regulating screw 9 moves upwards to drive the nozzle 14 to move upwards, the nozzle 14 moves upwards to drive the valve core 12 to move upwards, the valve core 12 moves upwards to drive the three groups of regulating valves 11 to move upwards, the regulating valve 11 moves upwards to drive the throttling cone 17 at the lower end to move upwards, the throttling cone 17 moves upwards to drive the piston rod 18 to move upwards, the caliber of the valve port 2 can be enlarged when the piston rod 18 moves upwards, and gas is transmitted to the outlet valve 15 through the exhaust valve port 3 to shoot out the gas, so that the pressure reduction of the valve body 1 is completed.
The regulating valve 11 is arranged into three groups to be used as three-stage four-stage, so that gradual decompression can be realized, in the decompression process, the maximum opening of the valve port 2 is 20mm under the pulling of the regulating screw 9, in order to ensure that the pressure of a low-pressure section does not exceed 15KG, DCS automatic control is designed into two-stage control, even if a valve position is recorded, a signal is automatically regulated in the range of 4-12 mA, the maximum opening of the valve port 2 is 14mm, a general crystal can smoothly pass through the blow-down valve 7, the pressure of the valve body 1 is ensured not to exceed 15KG, when crystals larger than 14mm accumulate, the operation is switched to manual operation, the opening of the valve port 2 is transferred to the manual original opening, the tower pressure is reduced, and the opening of the valve port 2 is manually increased until crystals are discharged from the blow-down valve 7, and a large amount of water is prevented from being washed.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (7)
1. Synthetic tower relief pressure valve based on prevent blockking up, its characterized in that: the valve comprises a valve body (1), wherein a packing gland (8) is arranged at the upper end of the valve body (1), a valve cover (4) is arranged at the upper end of the packing gland (8), a set screw (5) is connected with the joint of the packing gland (8) and the valve cover (4) in a threaded manner, an adjusting component is arranged on the inner side of the valve body (1), and a pressure reducing component is arranged at the lower end of the adjusting component.
2. The anti-clogging pressure reducing valve for a synthesis tower according to claim 1, wherein: the adjusting assembly comprises an adjusting screw (9), the adjusting screw (9) is arranged on the inner side of the valve body (1), and an adjusting tension spring (13) is fixed at the lower end of the adjusting screw (9).
3. The anti-clogging pressure reducing valve for a synthesis tower according to claim 1, wherein: an adjusting spanner (10) is arranged at the upper end of the valve cover (4), a hand wheel (16) is fixedly connected to the upper end of the adjusting spanner (10), and the adjusting screw (9) penetrates through the valve cover (4) and is in threaded connection with the adjusting spanner (10).
4. The anti-clogging pressure reducing valve for a synthesis tower according to claim 1, wherein: the pressure reducing assembly comprises a nozzle (14), the nozzle (14) is fixedly connected with an adjusting tension spring (13), three groups of adjusting valves (11) are arranged at the lower end of the nozzle (14), valve cores (12) are fixedly connected to the middle sections of the three groups of adjusting valves (11), and the valve cores (12) at the top end are connected with the nozzle (14).
5. The anti-clogging pressure reducing valve for a synthesis tower according to claim 4, wherein: the lower extreme fixedly connected with throttle cone (17) of governing valve (11), piston rod (18) are installed to the lower extreme of throttle cone (17), valve port (2) have been seted up to the lower extreme of throttle cone (17), piston rod (18) run through in valve port (2).
6. The anti-clogging pressure reducing valve for a synthesis tower according to claim 1, wherein: an outlet valve (15) is fixedly arranged at the lower end of the valve body (1), an exhaust valve port (3) is formed in the inner side of the outlet valve (15), and the exhaust valve port (3) is communicated with the regulating valve (11).
7. The anti-clogging pressure reducing valve for a synthesis tower of claim 6, wherein: a drain valve (7) is fixedly arranged at the side end of the valve body (1), and a valve port of the drain valve (7) is communicated with the regulating valve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311747982.6A CN117628266A (en) | 2023-12-19 | 2023-12-19 | Synthetic tower pressure reducing valve based on prevent blockking up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311747982.6A CN117628266A (en) | 2023-12-19 | 2023-12-19 | Synthetic tower pressure reducing valve based on prevent blockking up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117628266A true CN117628266A (en) | 2024-03-01 |
Family
ID=90032212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311747982.6A Pending CN117628266A (en) | 2023-12-19 | 2023-12-19 | Synthetic tower pressure reducing valve based on prevent blockking up |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117628266A (en) |
-
2023
- 2023-12-19 CN CN202311747982.6A patent/CN117628266A/en active Pending
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