CN220152994U - Pressure stabilizing throttling equipment for centrifugal water chilling unit - Google Patents
Pressure stabilizing throttling equipment for centrifugal water chilling unit Download PDFInfo
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- CN220152994U CN220152994U CN202321134700.0U CN202321134700U CN220152994U CN 220152994 U CN220152994 U CN 220152994U CN 202321134700 U CN202321134700 U CN 202321134700U CN 220152994 U CN220152994 U CN 220152994U
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- main body
- pipeline main
- end side
- elastic pressing
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- 230000000087 stabilizing effect Effects 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses pressure stabilizing and throttling equipment for a centrifugal water chilling unit, which comprises a pipeline main body and a casing fixed at the top of the pipeline, wherein a baffle is fixedly arranged in the pipeline main body, a through hole is formed in the baffle, a stop block is arranged in the pipeline main body between an inlet end and the through hole, and an elastic pressing piece is arranged at an opening at the lower end of the casing.
Description
Technical Field
The utility model relates to the technical field of unit equipment, in particular to pressure stabilizing and throttling equipment for a centrifugal water chilling unit.
Background
The water chiller comprises four main components: the compressor, the evaporator, the condenser and the expansion valve realize the refrigerating and heating effects of the unit, and the requirements on the water chilling unit are different because the unit is widely used in various industries, and the throttling device is an important part of the refrigeration device and has the following functions: the high-pressure liquid refrigerant is throttled and depressurized, so that the pressure difference between the condenser and the evaporator is ensured, and the liquid refrigerant in the evaporator is evaporated and absorbs heat under the required low pressure, thereby achieving the aim of refrigeration and temperature reduction.
After a certain period of working, the industrial water chilling unit sometimes has faults such as low pressure, when the front-back pressure difference of the pipeline is large, a mode of increasing the throttle plate is often adopted, but the throttle plate is generally fixed, and the throttle plate cannot be adjusted according to the pressure difference of the pipeline, so that the effect of reducing the fluid pressure is not obvious.
Disclosure of Invention
In order to solve the technical problems, the utility model provides pressure-stabilizing throttling equipment for a centrifugal water chilling unit.
The technical scheme of the utility model is as follows: a pressure stabilizing and throttling device for a centrifugal water chilling unit comprises a pipeline main body and a casing fixed at the top of the pipeline,
the lower end opening of the shell is communicated with the pipeline main body, a baffle plate for intercepting is fixedly arranged in the pipeline main body, a through hole is formed in the baffle plate, and the pipeline main body is divided into an inlet end side and an outlet end side by taking the through hole as a center;
a stop block for blocking the through hole is arranged in the pipeline main body positioned at the inlet end side, the stop block is connected with the inner wall of the pipeline main body through a first spring,
the lower end opening of the casing is provided with an elastic pressing sheet, and the lower end opening of the casing is positioned on the pipeline main body at the outlet end side; the edge of the elastic pressing piece is in sliding sealing connection with the inner wall of the casing, a second spring is arranged in the casing, one end of the second spring is connected with the top end of the casing, and the other end of the second spring is connected with the elastic pressing piece; the pipeline main body is internally provided with a connecting rod, the connecting rod penetrates through the through hole, one end of the connecting rod is connected with the elastic pressing piece, and the other end of the connecting rod is connected with the stop block.
Description: through above-mentioned setting, can play steady voltage and throttle's effect to the fluid in the pipeline main part, and then avoid the front and back pressure differential fluctuation of pipeline great, cause condenser and the life of evaporimeter equipment of cooling water set to reduce, through setting up of baffle and through-hole, can throttle the fluid, through setting up of elastic pressing piece and dog, can prevent the pressure of exit, cause the pressure differential at both ends too big, when exit pressure is too big, the fluid is pressed to elastic pressing piece and is made its removal, and then through connecting rod pulling dog blocks the through-hole, reduce pressure differential rapidly, play steady voltage throttling effect.
Further, the baffle comprises a first baffle, a second baffle and a third baffle which are fixedly connected in sequence from top to bottom, the second baffle is parallel to the pipeline main body, the through hole is positioned on the second baffle, and the third baffle is perpendicular to the pipeline main body and is fixed with the inner bottom surface of the pipeline main body; the third baffle is arranged in the pipeline main body at the outlet end side, the first baffle is arranged in the pipeline main body at the inlet end side and is obliquely arranged, the upper end of the first baffle is fixed with the inner top surface of the pipeline main body and is close to the inlet end side, and the lower end of the first baffle is fixed with the second baffle and is close to the outlet end side.
Description: through the further setting of above-mentioned baffle, form the guide effect through second, third baffle to the fluid of entrance point department, avoid the fluid to cause the destruction to the too big pressure of dog, and can make follow-up setting more reasonable.
Further, the jacket is perpendicular to the pipe body.
Description: through the arrangement, the stop block is more convenient to be connected with the elastic pressing piece.
Further, the third baffle is provided with a plurality of groups of small holes arranged, a movable plate is arranged in the pipeline main body between the outlet end and the through hole, the movable plate is in sliding sealing connection with the third baffle, baffle strips for controlling the opening or closing of each row of small holes by utilizing the lifting of the elastic pressing sheet are arranged on the movable plate at intervals, and the upper end of the movable plate is fixedly connected with the elastic pressing sheet through a connecting block.
Description: through the setting can effectively protect equipment, when the elastic pressing piece is suddenly impacted by fluid pressure, the small hole is gradually opened in the moving process of the moving plate, fluid in the pipeline main body passes through the small hole to form resistance, the upward moving process of the elastic pressing piece is slowed down, meanwhile, when the pressure of the inlet end suddenly exceeds the pressure, the stop block can be impacted, the through hole is blocked by the stop block, at the moment, the elastic pressing piece can also move upwards, the small hole is opened, and the fluid at the inlet end flows to the outlet end.
Further, the elastic pressing piece is in sliding sealing connection with the inner wall of the shell through the guide block and the groove.
Description: through the setting of the specific connection mode, the elastic pressing piece can be prevented from rotating, so that the elastic pressing piece only slides up and down, and the sliding of the elastic pressing piece is facilitated.
Further, the included angle between the first baffle plate and the inner top surface of the pipeline main body positioned at the outlet end side is 30-70 degrees.
Description: through the angle setting of above-mentioned first baffle, can reduce the impact of fluid flow process to the baffle, make equipment can be more durable.
The beneficial effects of the utility model are as follows:
(1) The utility model can play a role in stabilizing pressure and throttling the fluid in the pipeline main body, thereby avoiding the reduction of service life of the condenser and the evaporator of the water chilling unit caused by larger fluctuation of front and rear pressure difference of the pipeline, and can throttle the fluid by arranging the baffle and the through holes, and can prevent the overlarge pressure at the outlet end and the overlarge pressure difference at the two ends by arranging the elastic pressing sheet and the baffle block, thereby playing a role in stabilizing pressure and throttling.
(2) According to the utility model, the baffle is further arranged to form a guiding effect on fluid in the pipeline, so that damage to the pressure and the impact force of the fluid on the baffle are avoided, the subsequent arrangement is more reasonable, the equipment can be effectively protected through the arrangement of the small holes and the moving plate, when the elastic pressing sheet is suddenly impacted by the pressure of the fluid, the small holes are gradually opened in the moving process of the moving plate, the upward moving process of the elastic pressing sheet is slowed down, and meanwhile, when the pressure of the inlet end is suddenly over-high, the baffle can be impacted, so that the baffle blocks the through holes, and at the moment, the elastic pressing sheet can also move upwards to open the small holes, so that the fluid at the inlet end flows to the outlet end.
Drawings
FIG. 1 is a schematic view of the appearance of the present utility model;
FIG. 2 is a schematic view showing the internal structure of embodiment 1 of the present utility model;
FIG. 3 is a schematic view showing the internal structure of embodiment 2 of the present utility model;
FIG. 4 is a schematic view showing the internal structure of embodiment 2 of the present utility model;
the device comprises a pipeline body 1, a baffle 11, a first baffle 111, a second baffle 112, a third baffle 113, a through hole 12, a stop block 121, a first spring 122, a casing 2, an elastic pressing piece 21 and a second spring 22.
Detailed Description
The utility model will be described in further detail with reference to the following embodiments to better embody the advantages of the utility model.
Example 1
As shown in fig. 1 and 2, the pressure stabilizing and throttling device for the centrifugal water chilling unit comprises a pipeline main body 1 and a casing 2 fixed at the top of the pipeline, wherein an opening at the lower end of the casing 2 is communicated with the pipeline main body 1, a baffle 11 for intercepting is fixedly arranged in the pipeline main body 1, a through hole 12 is arranged on the baffle 11, and the pipeline main body 1 is divided into an inlet end side and an outlet end side by taking the through hole 12 as the center;
a stopper 121 for blocking the through hole 12 is provided in the pipe body 1 at the inlet end side, the stopper 121 is connected with the inner wall of the pipe body 1 by a first spring 122,
the lower end opening of the casing 2 is provided with an elastic pressing piece 21, and the lower end opening of the casing 2 is positioned on the pipeline main body 1 at the outlet end side; the edge of the elastic pressing piece 21 is in sliding sealing connection with the inner wall of the casing 2, a second spring 22 is arranged in the casing 2, one end of the second spring 22 is connected with the top end of the casing 2, and the other end of the second spring 22 is connected with the elastic pressing piece 21; a connecting rod is arranged in the pipeline main body 1, the connecting rod passes through the through hole 12, one end of the connecting rod is connected with the elastic pressing piece 21, and the other end of the connecting rod is connected with the stop block 121;
the baffle 11 comprises a first baffle 111, a second baffle 112 and a third baffle 113 which are fixedly connected in sequence from top to bottom, the second baffle 112 is parallel to the pipeline main body 1, the through hole 12 is positioned on the second baffle 112, and the third baffle 113 is perpendicular to the pipeline main body 1 and is fixed with the inner bottom surface of the pipeline main body 1; the third baffle 113 is positioned in the pipeline main body 1 at the outlet end side, the first baffle 111 is positioned in the pipeline main body 1 at the inlet end side and is obliquely arranged, the upper end of the first baffle 111 is fixed with the inner top surface of the pipeline main body 1 and is close to the inlet end side, and the lower end of the first baffle 111 is fixed with the second baffle 112 and is close to the outlet end side;
the jacket 2 is perpendicular to the pipe body 1; the included angle between the first baffle 111 and the inner top surface of the pipeline main body 1 positioned at the outlet end side is 30 degrees, and the elastic pressing piece 21 and the inner wall of the shell 2 are in sliding sealing connection through a guide block and a groove.
The working method of the device comprises the following steps: when the water chilling unit operates, the pressure difference between the condenser and the evaporator needs to be ensured, the inlet end enters the high-pressure liquid refrigerant fluid, the fluid enters the outlet end from the pipeline main body 1 at the inlet end through the through hole 12 to form a throttling effect, when the pressure in the pipeline main body 1 at one side of the outlet end exceeds the range, the elastic pressing piece 21 moves upwards along the inner wall of the shell 2, the stop block 121 is pulled by the connecting rod at the moment, the stop block 121 stops the through hole 12 to block, the fluid outflow pressure at one side of the outlet end is recovered to be normal, the elastic pressing piece 21 moves downwards at the moment, the stop block 121 moves downwards to open the through hole 12, the normal state is recovered, and the pressure stabilizing adjustment is realized.
Example 2
The embodiment is basically the same as embodiment 1, except that, as shown in fig. 3 and 4, a plurality of groups of small holes are arranged on the third baffle 113, a moving plate 114 is arranged in the pipe main body 1 between the outlet end and the through hole 12, the moving plate 114 is in sliding sealing connection with the third baffle 113, barrier strips for controlling the opening or closing of each row of small holes by using elastic pressing sheets 21 to lift are arranged on the moving plate 114 at intervals, and the upper end of the moving plate 114 is fixedly connected with the elastic pressing sheets 21 through connecting blocks; the first baffle 111 forms an angle of 70 with the pipe body 1.
The working method of the embodiment is almost the same as that of the embodiment 1, except that when the elastic pressing sheet 21 is impacted by fluid pressure, the stopper 121 is pulled by the connecting rod, the stopper 121 blocks the through hole 12 for blocking, the moving plate 114 is also moved upwards by pulling of the connecting block, the small hole is gradually opened in the moving process of the moving plate 114, the upward moving resistance of the elastic pressing sheet 21 is formed, the moving process is slowed down, and the equipment is protected; when the pressure in the pipe body 1 at the inlet end side suddenly exceeds the pressure, the stopper 121 may be impacted, so that the stopper 121 blocks the through hole 12, and at this time, the elastic pressing piece 21 also moves upwards to open the small hole, so that the fluid at the inlet end flows to the outlet end, and the pressure in the pipe body 1 at the inlet end side is reduced.
Claims (6)
1. A pressure-stabilizing throttling device for a centrifugal water chilling unit is characterized by comprising a pipeline main body (1) and a casing (2) fixed at the top of the pipeline,
the lower end opening of the shell (2) is communicated with the pipeline main body (1), a baffle (11) for intercepting is fixedly arranged in the pipeline main body (1), a through hole (12) is formed in the baffle (11), and the pipeline main body (1) is divided into an inlet end side and an outlet end side by taking the through hole (12) as a center;
a stop block (121) for blocking the through hole (12) is arranged in the pipeline main body (1) at the inlet end side, the stop block (121) is connected with the inner wall of the pipeline main body (1) through a first spring (122),
the lower end opening of the casing (2) is provided with an elastic pressing sheet (21), and the lower end opening of the casing (2) is positioned on the pipeline main body (1) at the outlet end side; the edge of the elastic pressing piece (21) is in sliding sealing connection with the inner wall of the casing (2), a second spring (22) is arranged in the casing (2), one end of the second spring (22) is connected with the top end of the casing (2), and the other end of the second spring is connected with the elastic pressing piece (21); a connecting rod is arranged in the pipeline main body (1), the connecting rod penetrates through the through hole (12), one end of the connecting rod is connected with the elastic pressing piece (21), and the other end of the connecting rod is connected with the stop block (121).
2. The pressure stabilizing and throttling device for a centrifugal chiller according to claim 1, wherein the baffle (11) comprises a first baffle (111), a second baffle (112) and a third baffle (113) which are fixedly connected in sequence from top to bottom, the second baffle (112) is parallel to the pipeline main body (1), the through hole (12) is positioned on the second baffle (112), and the third baffle (113) is perpendicular to the pipeline main body (1) and is fixed with the inner bottom surface of the pipeline main body (1); the third baffle (113) is located in the pipeline main body (1) at the outlet end side, the first baffle (111) is located in the pipeline main body (1) at the inlet end side and is obliquely arranged, the upper end of the first baffle (111) is fixed with the inner top surface of the pipeline main body (1) and is close to the inlet end side, and the lower end of the first baffle (111) is fixed with the second baffle (112) and is close to the outlet end side.
3. A pressure stabilizing and throttling device for a centrifugal chiller according to claim 2 wherein the jacket (2) is perpendicular to the pipe body (1).
4. A pressure stabilizing and throttling device for a centrifugal chiller according to claim 3, characterized in that the third baffle (113) is provided with a plurality of groups of small holes arranged in a row, a moving plate (114) is arranged in the pipeline main body (1) between the outlet end and the through hole (12), the moving plate (114) is in sliding sealing connection with the third baffle (113), barrier strips for controlling the opening or closing of each row of small holes by using elastic pressing sheets (21) to lift are arranged on the moving plate (114) at intervals, and the upper end of the moving plate (114) is fixedly connected with the elastic pressing sheets (21) through connecting blocks.
5. A pressure stabilizing and throttling device for a centrifugal chiller according to claim 1 wherein said resilient presser (21) is slidably and sealingly connected to the inner wall of said housing (2) by means of guide shoes and grooves.
6. A pressure stabilizing and throttling device for a centrifugal chiller according to claim 2 wherein the first baffle (111) has an included angle of 30-70 ° with the inner top surface of the pipe body (1) at the outlet end side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321134700.0U CN220152994U (en) | 2023-05-12 | 2023-05-12 | Pressure stabilizing throttling equipment for centrifugal water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321134700.0U CN220152994U (en) | 2023-05-12 | 2023-05-12 | Pressure stabilizing throttling equipment for centrifugal water chilling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220152994U true CN220152994U (en) | 2023-12-08 |
Family
ID=89021420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321134700.0U Active CN220152994U (en) | 2023-05-12 | 2023-05-12 | Pressure stabilizing throttling equipment for centrifugal water chilling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220152994U (en) |
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2023
- 2023-05-12 CN CN202321134700.0U patent/CN220152994U/en active Active
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