CN212430461U - Isobaric adjustment system with height difference - Google Patents
Isobaric adjustment system with height difference Download PDFInfo
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- CN212430461U CN212430461U CN202021552700.9U CN202021552700U CN212430461U CN 212430461 U CN212430461 U CN 212430461U CN 202021552700 U CN202021552700 U CN 202021552700U CN 212430461 U CN212430461 U CN 212430461U
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Abstract
The utility model provides an isobaric adjusting system with height difference, which at least comprises a plurality of balance adjusting valves with different heights and a liquid conveying main pipe, wherein a liquid inlet at the lower end of each balance adjusting valve is connected with a liquid conveying branch pipe which is communicated with the liquid conveying main pipe; and the gas inlet at the lower end of each balance regulating valve is provided with a branch pipe outside the balance regulating valve cavity, which are communicated with each other. The utility model discloses well liquid divides the unequal high output of multiple fulcrum after the house steward input, automatic isobaric adjustment when the output, final isobaric output. The utility model discloses utilize gaseous light, compressible characteristics of trace, combine flow pressure difference and flow cross section relation, carry out self-adaptation regulation through balanced governing valve, realize need not electric automatization's self-adaptation formula regulation.
Description
Technical Field
The utility model relates to a liquid medium conveying field, in particular to isobaric adjustment system who has difference in height.
Background
In the process of conveying liquid pipelines, in order to save cost, the liquid is generally conveyed to a branch path near a branch point through a large pipeline, if the branch point has the requirement of the same pressure, the branch point needs to be regulated and processed in a mode of combining special valve bodies such as equivalent pressure detection and regulation and automation, the cost is high, the links are multiple, and the normal operation of the system can be influenced no matter which link goes wrong. And in some environments, the detection and adjustment valve body cannot be installed near the application point, and if the detection and adjustment valve body is installed at a far position and has a height difference, the pressure of each application point cannot be accurately guaranteed to be equal due to the influence of the height difference of liquid in a pipeline. This patent is exactly to this technical difficulty, utilizes gaseous light, compressible characteristics of trace, combines flow pressure difference and flow cross section relation etc. utility model's low-cost, need not electric automatization's self-adaptation formula governing system.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem that the pressure of each application point cannot be accurately guaranteed to be equal due to the limitation of space in the prior art, the utility model provides an isobaric adjustment system with height difference, in the utility model, liquid is divided into a plurality of points with unequal height output after being input from a header pipe, and is automatically isobaric adjusted during output, and finally, the isobaric output is realized; the utility model discloses with low costs, need not electric automatization.
The utility model discloses a technical scheme do:
an isobaric adjusting system with height difference at least comprises a plurality of balance adjusting valves and a liquid conveying main pipe which are arranged at different heights, wherein a liquid inlet at the lower end of each balance adjusting valve is connected with a liquid conveying branch pipe, and the liquid conveying branch pipes are communicated with the liquid conveying main pipe; and the gas inlet at the lower end of each balance regulating valve is provided with a branch pipe outside the balance regulating valve cavity, which are communicated with each other.
The balance regulating valve at least comprises a valve body and a valve core, and the valve core is positioned in the valve body and is in sliding connection with the valve body; the lower end of the valve body is provided with a liquid inlet and a gas inlet; the upper end of the valve body is provided with a liquid outlet.
The valve core separates the valve body into a liquid thrust cavity and a gas thrust cavity, the gas inlet is arranged on the valve body at the lower end of the gas thrust cavity, and the liquid inlet is arranged on the valve body at the lower end of the liquid thrust cavity.
The valve core is formed by five cylinders with different sizes into a whole; the five cylinders are a first cylinder, a second cylinder, a third cylinder, a fourth cylinder and a fifth cylinder from left to right in sequence; the diameters of the second cylinder and the fourth cylinder are the same, and the diameters of the second cylinder and the fourth cylinder are the same as the inner diameter of the valve body; the diameter of the third cylinder is smaller than that of the second cylinder, and the diameters of the first cylinder and the fifth cylinder are smaller than that of the third cylinder; the upper right end face of the second cylinder is located at the liquid outlet, the upper left end face of the second cylinder is connected with the inner wall of the upper end of the valve body in a sliding and sealing mode, and the lower end face of the second cylinder is located at the liquid inlet.
The annular space of the third cylinder and the valve body is used for communicating the liquid inlet with the liquid outlet.
The liquid inlet is communicated with the liquid thrust cavity.
And the upper end and the lower end of the fourth cylinder are connected with the inner wall of the valve body in a sliding and sealing manner.
The utility model has the advantages that:
the utility model adjusts the flow section change of the liquid outlet by the movement of the valve core in the balance adjusting valve, thereby adjusting the pressure of the liquid thrust cavity; in the self-adaptive automatic adjustment process with the difference between the closed gas pressure and the liquid thrust cavity pressure, the balance adjusting valve is adjusted for a plurality of times to achieve balance, the volume stable pressure of the gas communication space is equal, the valve core is also stabilized at a fixed position, and the liquid thrust cavity pressure of the balance adjusting valve is also equal.
The utility model discloses it is with low costs, need not the isobaric adjustment that automatic just can realize the difference in height.
Drawings
The following will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic view of the structural connection of the present invention.
Fig. 2 is a schematic structural diagram of the balance regulating valve.
In the figures, the reference numbers are: 1. a liquid delivery main pipe; 2. a first liquid delivery leg; 3. a second liquid delivery manifold; 4. a third liquid delivery leg; 5. a first balance regulating valve cavity outer branch pipe; 6. a first balance regulating valve; 7. a second balance regulating valve cavity outer branch pipe; 8. a second balance regulating valve; 9. a third balance adjusting valve cavity outer branch pipe; 10. a third balance regulating valve; 11. a valve body; 12. a valve core; 13. a liquid outlet; 14. a liquid thrust chamber; 15. a liquid inlet; 16. a gas inlet; 17. a gas thrust chamber; 18. balance regulating valve.
Detailed Description
Example 1:
in order to overcome the problem that the pressure of each application point cannot be accurately guaranteed to be equal due to the limitation of space in the prior art, the utility model provides an isobaric adjustment system with height difference as shown in figure 1, the liquid in the utility model is divided into a plurality of points with unequal height output after being input from a header pipe, and the liquid is automatically isobaric adjusted during output and finally isobaric output; the utility model discloses with low costs, need not electric automatization.
An isobaric adjusting system with height difference at least comprises a plurality of balance adjusting valves 18 arranged at different heights and a liquid conveying main pipe 1, wherein a liquid inlet 15 at the lower end of each balance adjusting valve 18 is connected with a liquid conveying branch pipe, and the liquid conveying branch pipes are communicated with the liquid conveying main pipe 1; the gas inlet 16 at the lower end of each balance regulating valve 18 is provided with a branch pipe outside the balance regulating valve cavity, which is communicated with each other.
The utility model discloses well balance adjustment valve chamber outer branch pipe and the 18 sealing connection of balance adjustment valve that communicate each other have guaranteed airtight gaseous isobaric nature like this. The static pressure influence that the liquid of co-altitude not produced is also different, the utility model provides a balanced governing valve 18 in the system can realize self-adaptation automatically regulated is balanced, and impracticable novel need not electric automatization, has practiced thrift the cost.
Example 2:
based on embodiment 1, in this embodiment, preferably, the balance regulating valve 18 at least includes a valve body 11 and a valve core 12, where the valve core 12 is located in the valve body 11 and slidably connected to the valve body 11; the lower end of the valve body 11 is provided with a liquid inlet 15 and a gas inlet 16; the upper end of the valve body 11 is provided with a liquid outlet 13.
Preferably, the valve core 12 separates the valve body 11 into a liquid thrust cavity 14 and a gas thrust cavity 17, the gas inlet 16 is arranged on the valve body 11 at the lower end of the gas thrust cavity 17, and the liquid inlet 15 is arranged on the valve body 11 at the lower end of the liquid thrust cavity 14.
Preferably, the valve core 12 is composed of five cylinders with different sizes; the five cylinders are a first cylinder 1201, a second cylinder 1202, a third cylinder 1203, a fourth cylinder 1204 and a fifth cylinder 1205 from left to right in sequence; the diameter of the second cylinder 1202 is the same as that of the fourth cylinder 1204, and the diameter is the same as that of the inner diameter of the valve body 11; the diameter of the third cylinder 1203 is smaller than that of the second cylinder 1202, and the diameters of the first cylinder 1201 and the fifth cylinder 1205 are smaller than that of the third cylinder 1203; the right upper end surface of the second cylinder 1202 is located at the liquid outlet 13, the left upper end surface of the second cylinder 1202 is connected with the inner wall of the upper end of the valve body 11 in a sealing and sliding manner, and the lower end surface of the second cylinder 1202 is located at the liquid inlet 15.
In the utility model, five cylinders are positioned on the same central shaft, and the total length of the five cylinders is less than the left and right length in the valve body 11; the valve core 12 composed of five cylinders is ensured to slide left and right in the valve body 11.
Preferably, the third cylinder 1203 communicates the liquid inlet 15 with the liquid outlet 13 in the annulus of the valve body 11.
Preferably, said liquid inlet 15 communicates with the liquid thrust chamber 14.
Preferably, the upper end and the lower end of the fourth cylinder 1204 are connected with the inner wall of the valve body 11 in a sliding and sealing manner.
As shown in fig. 2, the balance regulating valve 18 is composed of a valve body 11 and a valve core 12, the valve core 12 separates two ends of the valve body 11 into a liquid thrust cavity 14 and a gas thrust cavity 17, the liquid with the regulated pressure flows out from a liquid outlet 13, one part of the liquid enters the liquid thrust cavity 14, the other part of the liquid flows out from the liquid outlet 13 through a liquid circulation space in the middle of the valve 12 core, and the section of the outlet of the liquid outlet 13 automatically adjusts the section size according to the balance pressure; the closed gas pipeline is communicated with a gas inlet 16 and enters a gas thrust cavity 17 to form thrust on the valve core 12.
The utility model discloses it is little to utilize gas density, and the compression capacity is little, can transmit pressure's characteristics and establish balanced pressure self-adaptation and adjust, eliminates the unequal problem of output pressure that the valve body brought because of the difference in height.
An isobaric pressure adjustment method with a height difference comprises the following specific steps:
step one, installing balance regulating valves 18 at a plurality of required positions with different heights, then connecting liquid conveying branch pipes corresponding to the lower ends of the balance regulating valves 18 with a liquid conveying main pipe 1, and then mutually communicating the balance regulating valve cavity outer branch pipes corresponding to the lower ends of the balance regulating valves 18; the liquid flows into the balance regulating valve 18 through the liquid inlet 15 of the main liquid conveying pipe 1, one part of the liquid enters the liquid thrust cavity 14, and the other part of the liquid flows out of the liquid outlet 13 through the annular space between the third cylinder 1203 and the valve body 11; the outer branch pipe of the closed balance adjusting valve cavity is communicated with a gas inlet 16 and enters a gas thrust cavity 17 to form thrust on the valve core 12;
step two, the balance regulating valve 18 moves to one side with small stress under the action of the pressure of the liquid thrust cavity 14 and the gas thrust cavity 17, the volume and the pressure change of a closed gas communication space are changed, and meanwhile, the valve core 12 moves to cause the flow section change of the liquid thrust cavity 14 and the liquid outlet 13 of the balance regulating valve 18, so that the pressure of the liquid thrust cavity 14 is regulated;
and step three, when the gas pressure in the closed gas thrust cavity 17 and the liquid pressure in the liquid thrust cavity 14 are different, the balance is achieved after the adjustment in the step two is carried out for multiple times, the volume stable pressure of the gas communication space is equal, the valve core 12 is stabilized at a fixed position, and the pressure of the liquid thrust cavity 14 of the balance adjusting valve 18 is equal.
Example 3:
based on embodiments 1 and 2, in this embodiment, the balance adjusting valves 18 are three in number, and include a first balance adjusting valve 6 disposed at the liquid application port a, a second balance adjusting valve 8 disposed at the liquid application port B, and a third balance adjusting valve 10 disposed at the liquid application port C; the first balance regulating valve 6 is connected with the main liquid conveying pipe 1 through the first liquid conveying branch pipe 2, the second balance regulating valve 8 is connected with the main liquid conveying pipe 1 through the second liquid conveying branch pipe 3, and the third balance regulating valve 1 is connected with the main liquid conveying pipe 1 through the third liquid conveying branch pipe 4. The first balance adjusting valve cavity outer branch pipe 5, the second balance adjusting valve cavity outer branch pipe 7 and the third balance adjusting valve cavity outer branch pipe 9 corresponding to the lower ends of the first balance adjusting valve 6, the second balance adjusting valve 8 and the third balance adjusting valve 10 are arranged in parallel, and the first balance adjusting valve cavity outer branch pipe 5, the second balance adjusting valve cavity outer branch pipe 7 and the third balance adjusting valve cavity outer branch pipe 9 are communicated in a sealing mode.
A. B, C, liquid inlets 15 at three positions have height difference, the mounting position of the first balance adjusting valve 6 at the position A is far from the height H1 of the main pipe, the mounting position of the second balance adjusting valve 8 at the position B is far from the height H2 of the main pipe, the mounting position of the third balance adjusting valve 10 at the position C is far from the height H3 of the main pipe, and H1 is more than H2 and is more than H3;
A. b, C balance regulating valves 18 with the same parameters are adopted at three places; the valve cores 12 of the first balance regulating valve 6, the second balance regulating valve 8 and the third balance regulating valve 10 are installed in the same direction and horizontal angle;
the self-adjusting function implementation process comprises the following steps:
regulating the pressure difference existing across the valve core 12
When liquid flows into the liquid thrust chambers 14 of the first balance regulating valve 6, the second balance regulating valve 8 and the third balance regulating valve 10 after entering each branch after flowing into the main pipe 1 and respectively flows through the liquid inlet application points at A, B, C towards the liquid outlet 13, because height differences exist among the corresponding heights H1, H2 and H3 of the first liquid conveying branch pipe 2, the second liquid conveying branch pipe 3 and the third liquid conveying branch pipe 4, the liquid density is high, the static pressure generated by the liquid heights at positions A, B, C at different heights is different, the pressures of the liquid thrust chambers 14 of the first balance regulating valve 6, the second balance regulating valve 8 and the third balance regulating valve 10 are sequentially reduced, the gas thrust chambers 17 are communicated by adopting closed gas, and the gas pressures in the chambers are equal.
The valve core 12 moves to the small pressure side, at this time, the balance regulating valve 18 at the A, B, C position moves to the side with small stress under the action of the pressure of the liquid thrust cavity 14 and the gas thrust cavity 17, the volume and the pressure of the closed gas communication space are changed, and simultaneously, the valve core 12 moves to cause the liquid flow section of the liquid thrust cavity 14 and the liquid outlet 13 of the balance regulating valve 18 to change, so that the pressure of the liquid thrust cavity 14 is regulated.
The balance of the closed gas pressure and the liquid thrust cavity is achieved after reciprocating for several times in the self-adaptive automatic adjustment process that the gas pressure of the closed gas thrust cavity 17 and the pressure of the liquid thrust cavity 14 are different, the stable pressure of the gas communication space volume is equal, the valve core 12 is also stabilized at a fixed position, and the pressure of the liquid thrust cavity 14 of the balance adjusting valve 18 is also equal.
When the pressure of the main liquid conveying pipe 1 changes, the system is adjusted in a self-balancing mode again, and if the pressure of the main pipeline system changes, the system is automatically adjusted to reach the size of the section of the new fluid outlet 13 to achieve equal-pressure adjustment.
The utility model discloses but utilize gaseous light, the characteristics of micro-compression, combine flow pressure difference and flow cross-section relation, the utility model provides a balance adjusting valve 18 need not electric automation and just can realize self-adaptation formula regulation, the utility model provides a but balance adjusting valve 18 and governing system self-adaptation regulation, the cost is reduced.
The above examples are merely illustrations of the present invention, and do not constitute limitations to the scope of the present invention, and all designs identical or similar to the present invention belong to the scope of the present invention. The device structure and method steps not described in detail in this embodiment are well known in the art and commonly used in the art, and will not be described here.
Claims (7)
1. An isobaric pressure regulation system with height differential, characterized by: the liquid conveying device at least comprises a plurality of balance regulating valves (18) and a liquid conveying main pipe (1) which are arranged at different heights, wherein a liquid inlet (15) at the lower end of each balance regulating valve (18) is connected with a liquid conveying branch pipe, and the liquid conveying branch pipes are communicated with the liquid conveying main pipe (1); and a gas inlet (16) at the lower end of each balance regulating valve (18) is provided with a branch pipe outside the balance regulating valve cavity, which are communicated with each other.
2. The differential height isobaric adjustment system according to claim 1, characterized in that: the balance regulating valve (18) at least comprises a valve body (11) and a valve core (12), wherein the valve core (12) is positioned in the valve body (11) and is in sliding connection with the valve body (11); the lower end of the valve body (11) is provided with a liquid inlet (15) and a gas inlet (16); the upper end of the valve body (11) is provided with a liquid outlet (13).
3. A differential height isobaric adjustment system according to claim 2, characterized in that: the valve core (12) separates the valve body (11) into a liquid thrust cavity (14) and a gas thrust cavity (17), the gas inlet (16) is arranged on the valve body (11) at the lower end of the gas thrust cavity (17), and the liquid inlet (15) is arranged on the valve body (11) at the lower end of the liquid thrust cavity (14).
4. A differential height isobaric adjustment system according to claim 3, characterized in that: the valve core (12) is formed by five cylinders with different sizes into a whole; the five cylinders are a first cylinder (1201), a second cylinder (1202), a third cylinder (1203), a fourth cylinder (1204) and a fifth cylinder (1205) from left to right in sequence; the diameter of the second cylinder (1202) is the same as that of the fourth cylinder (1204), and is the same as the inner diameter of the valve body (11); the diameter of the third cylinder (1203) is smaller than that of the second cylinder (1202), and the diameters of the first cylinder (1201) and the fifth cylinder (1205) are smaller than that of the third cylinder (1203); the right upper end face of the second cylinder (1202) is positioned at the liquid outlet (13), the left upper end face of the second cylinder (1202) is in sealing sliding connection with the inner wall of the upper end of the valve body (11), and the lower end face of the second cylinder (1202) is positioned at the liquid inlet (15).
5. The differential height isobaric adjustment system according to claim 4, characterized in that: the third cylinder (1203) is communicated with the liquid inlet (15) and the liquid outlet (13) through the annular space of the valve body (11).
6. The differential height isobaric adjustment system according to claim 4, characterized in that: the liquid inlet (15) is communicated with the liquid thrust cavity (14).
7. The differential height isobaric adjustment system according to claim 4, characterized in that: the upper end and the lower end of the fourth cylinder (1204) are connected with the inner wall of the valve body (11) in a sliding and sealing manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021552700.9U CN212430461U (en) | 2020-07-31 | 2020-07-31 | Isobaric adjustment system with height difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021552700.9U CN212430461U (en) | 2020-07-31 | 2020-07-31 | Isobaric adjustment system with height difference |
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| Publication Number | Publication Date |
|---|---|
| CN212430461U true CN212430461U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021552700.9U Active CN212430461U (en) | 2020-07-31 | 2020-07-31 | Isobaric adjustment system with height difference |
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|---|---|
| CN (1) | CN212430461U (en) |
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2020
- 2020-07-31 CN CN202021552700.9U patent/CN212430461U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CB03 | Change of inventor or designer information |
Inventor after: Lei Hua Inventor after: Yang Ladao Inventor after: He Bo Inventor after: Yang Changlin Inventor before: Lei Hua Inventor before: Yang Ladao Inventor before: He Bo Inventor before: Yang Changlin |