CN117145989A - Anti-freezing combined type high-speed air inlet and outlet valve and fluid conveying system - Google Patents
Anti-freezing combined type high-speed air inlet and outlet valve and fluid conveying system Download PDFInfo
- Publication number
- CN117145989A CN117145989A CN202310952060.2A CN202310952060A CN117145989A CN 117145989 A CN117145989 A CN 117145989A CN 202310952060 A CN202310952060 A CN 202310952060A CN 117145989 A CN117145989 A CN 117145989A
- Authority
- CN
- China
- Prior art keywords
- valve
- fluid
- temperature
- exhaust
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 55
- 238000007710 freezing Methods 0.000 title claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims abstract description 29
- 239000002131 composite material Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000002528 anti-freeze Effects 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 208000001034 Frostbite Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Abstract
The application discloses an antifreezing composite high-speed air inlet and outlet valve and a fluid conveying system, which relate to the technical field of fluid conveying and comprise a valve body, wherein a regulating valve and a constant-temperature regulating valve are sequentially arranged at the position of a water outlet of the valve body, and a sensor for detecting air quantity is arranged at least one position of the valve body; the constant temperature regulating valve is used for opening when the temperature of the fluid is lower than the set temperature so that the fluid is discharged through the constant temperature regulating valve; and when the fluid temperature is higher than the set temperature, the thermostatic control valve is closed. According to the application, the regulating valve and the constant temperature control valve are added on the basis of the exhaust valve, so that the fluid in the valve body of the exhaust valve is always higher than the set temperature of the constant temperature control valve, the anti-freezing function of the exhaust valve is realized, the self structure of the exhaust valve is not required to be changed, and the cost is reduced.
Description
Technical Field
The application relates to the technical field of fluid conveying, in particular to an antifreezing composite high-speed air inlet and outlet valve and a fluid conveying system.
Background
In order to improve pipeline conveying efficiency and negative pressure hazard, an exhaust valve is often arranged on a fluid conveying pipeline. Is generally arranged at the highest position of the vertical pipe and is used for exerting the maximum efficiency of the exhaust valve and not increasing the flow loss of the pipeline. Because the delivery line flows uninterruptedly, the fluid is easy to freeze inside the vent valve in cold weather, resulting in failure of the vent valve and even the damage of bursting of the valve. Some antifreeze exhaust valves exist in the prior art, for example:
CN110792813a discloses an antifreezing exhaust valve, which comprises a tubular valve body inserted into and fixedly connected with a housing, a circular valve cover fixed at the upper end surface of the valve body and provided with a central through hole, and a valve shaft penetrating through the upper end surface and the lower end surface of the valve body, wherein the top end of the valve shaft is rotated, and the bottom end of the valve shaft is fixed with a locking nut; the valve further comprises an upper sealing exhaust mechanism arranged at the upper end face, a lower sealing exhaust mechanism arranged at the lower end face and a nut driving mechanism fixed on the inner wall of the lower part of the valve body. CN103185169a discloses an antifreezing exhaust valve device, which comprises a main exhaust valve assembly, an automatic exhaust valve assembly, a piping and a water stop gate valve, wherein the main exhaust valve assembly is connected with the automatic exhaust valve assembly through the piping, and the water stop gate valve is arranged on the piping; the main exhaust valve assembly comprises a first valve body, a first floating valve cover, a first spring assembly, a first floating ball, a first valve cover sealing ring, a first sealing assembly and an exhaust hood; the automatic exhaust valve assembly comprises a second valve body, a second floating valve cover, a second spring assembly, a second floating ball, a second valve cover sealing ring, a valve seat, a lever assembly and a sealing top plug.
The exhaust valve can prevent freezing to a certain extent, but is realized by changing the structure of the exhaust valve, so that the service performance of the exhaust valve can be reduced, and the manufacturing cost is increased.
Disclosure of Invention
Aiming at the defects existing in the prior art, the application aims to provide an antifreezing composite high-speed air inlet and outlet valve and a fluid conveying system, and a regulating valve and a constant-temperature control valve are added on the basis of the air outlet valve, so that the fluid in the air outlet valve body is always higher than the set temperature of the constant-temperature control valve, the antifreezing function of the air outlet valve is realized, the self structure of the air outlet valve is not required to be changed, and the cost is reduced.
In order to achieve the above object, the present application is realized by the following technical scheme:
in a first aspect, an embodiment of the application provides an antifreezing composite high-speed air inlet and outlet valve, which comprises a valve body, wherein a regulating valve and a constant-temperature regulating valve are sequentially arranged at a water outlet position of the valve body, and a sensor for detecting air quantity is arranged at least one position of the valve body; the constant temperature regulating valve is used for opening when the temperature of the fluid is lower than the set temperature so that the fluid is discharged through the constant temperature regulating valve; and when the fluid temperature is higher than the set temperature, the thermostatic control valve is closed.
As a further implementation manner, a first sensor is arranged on the side face of the valve body, and the first sensor corresponds to the outer side of the floating ball cover.
As a further implementation, the first sensor is disposed on an upper side or an opposite side of the drain opening.
As a further implementation mode, the valve body is provided with a valve cover, the top of the valve cover is provided with an exhaust cover, and the top of the exhaust cover is provided with a second sensor extending into the exhaust cover.
As a further implementation manner, the valve body is further connected with a micro exhaust valve, and the micro exhaust valve is provided with a third sensor.
As a further implementation, the regulating valve is used to regulate the outlet flow of the thermostatic valve.
As a further implementation manner, a slow blocking valve or a filter screen is arranged at the inlet of the valve body.
In a second aspect, the embodiment of the application also provides a fluid conveying system, and the antifreezing composite high-speed air inlet and outlet valve is installed on the fluid conveying system.
As a further implementation manner, the anti-freezing composite type high-speed air inlet and outlet valve is arranged at a vertical pipe of the fluid conveying pipeline.
As a further implementation, when the fluid with low temperature is discharged from the thermostatic valve, the fluid with high temperature enters the valve body from the fluid delivery pipeline.
The beneficial effects of the application are as follows:
(1) According to the application, the exhaust valve is provided with the regulating valve, the constant temperature regulating valve and the sensor, the function of automatically opening and closing the temperature of fluid is utilized by the constant temperature control valve, when the temperature of the fluid is lower than the set temperature, the constant temperature control valve is opened to enable the fluid to flow and be discharged out of the valve body, and meanwhile, liquid with higher temperature enters the valve body from the inlet, so that the temperature of the fluid in the valve body is always higher than the set temperature of the constant temperature control valve, and the antifreezing function is realized.
(2) The regulating valve is used for regulating the outlet flow of the constant temperature control valve by using differential pressure formed by different pipeline pressures of the conveying pipeline and the outlet pressure of the constant temperature control valve, and the adaptability of the exhaust valve outside the subzero chamber is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
FIG. 1 is a schematic diagram showing a closing state of an exhaust valve according to a first embodiment of the present application;
FIG. 2 is a schematic diagram of exhaust and intake conditions of an exhaust valve according to a first embodiment of the present application;
FIG. 3 is a schematic diagram showing a closing state of an exhaust valve according to a second embodiment of the present application;
fig. 4 is a schematic diagram of exhaust and intake states of an exhaust valve according to a second embodiment of the present application.
The device comprises a valve body 1, a valve body 2, a floating body 3, a micro exhaust valve 4, a regulating valve 5, a constant temperature control valve 6, a constant temperature element 7, a first sensor 8, a second sensor 9, a third sensor 10, a valve cover 11, a protective net 12, an exhaust hood 13, a remote monitoring terminal 14, a slow blocking valve 15, a lifting hood 16 and a floating ball hood.
Detailed Description
Embodiment one:
in an exemplary embodiment of the present application, an antifreeze composite high speed intake and exhaust valve is provided as shown in fig. 1 and 2.
Because the anti-freezing exhaust valve in the prior art generally realizes the anti-freezing function by changing the structure or the material of the valve body, the common exhaust valve cannot be used outdoors below zero, the exhaust valve is required to be additionally designed, and the manufacturing cost is increased.
Based on this, this embodiment provides an anti-freezing compound high-speed air intake and exhaust valve, installs thermostatic control valve 5 in the bottom of current compound high-speed air intake and exhaust valve body to open when fluid temperature is less than the settlement temperature and make fluid flow, realize anti-freezing function through keeping fluid's mobility.
The anti-freezing composite type high-speed air inlet and outlet valve is described in detail below with reference to the accompanying drawings.
The embodiment provides an anti-freezing combined type high-speed air inlet and outlet valve, wholly is split type air outlet valve structure, as shown in fig. 1 and 2, including valve body 1, be equipped with body 2 in the valve body 1, valve body 1 top installation valve gap 10, and valve gap 10 top sets up protection network 11 and exhaust hood 12, and the protection casing can prevent that the foreign matter from getting into in the valve body 1, does not influence gaseous discharge simultaneously. The inlet of the valve body 1 is provided with a slow blocking valve 14 or a filter screen to realize the functions of preventing water hammer or filtering.
One side of the valve body 1 is connected with a micro exhaust valve 3, a water outlet is arranged at the side surface of the valve body 1 near the bottom, a regulating valve 4 and a constant temperature control valve 5 are sequentially arranged at the water outlet, the regulating valve 4 has the functions of regulating opening and closing, and is used for regulating the flow rate (namely Q=delta P.KV) of the outlet of the constant temperature control valve 5 by using differential pressure formed by different pipeline pressures of a conveying pipeline and the outlet pressure of the constant temperature control valve 5; the regulating valve 4 can be opened and closed manually or controlled remotely and intelligently.
In the embodiment, the valve body 1 is provided with three sensors for detecting the air quantity, wherein a first sensor 7 is arranged at the side surface of the valve body 1 near the bottom, a second sensor 8 extending into the exhaust hood 12 is arranged at the top of the exhaust hood 12, a third sensor 9 is arranged at the top of the micro exhaust valve 3, and the first sensor 7, the second sensor 8 and the third sensor 9 are all connected with a remote monitoring terminal 13; and detecting whether the exhaust valve is in a normal working state or not through each sensor so as to remotely monitor the state of the exhaust valve.
In this embodiment, the sensor may be a gas meter.
The thermostatic control valve 5 consists of a thermostatic element 6, the thermostatic element 6 being able to sense the temperature of the fluid. When the fluid temperature is below the set point temperature (e.g., 1.7 ℃), the thermostatic element 6 opens, allowing liquid to flow through the thermostatic control valve 5. The thermostatic control valve 5 will remain open as long as the temperature of the liquid passing through the thermostatic element 6 is below the set point temperature. When the temperature of the liquid flowing through the sensor is higher than the set temperature, the thermostatic control valve 5 will close. The flowing liquid relieves stagnant flow conditions in the vent valve, thereby increasing the freeze sensitivity of the vent valve and allowing hotter liquid from the fluid delivery conduit into the vent valve to prevent the fluid within the vent valve from freezing.
The temperature of the thermostatic control valve 5 can be adjusted according to the on-site working condition, for example, the delivery pipeline of the reservoir in the high altitude area is higher than the sea level, so that the atmospheric pressure is lower, the freezing point temperature of the fluid is higher than the value of 1 standard atmospheric pressure of zero degrees centigrade in the sea level, and at the moment, the temperature set by the thermostatic control valve 5 is higher than zero degrees centigrade, for example, 2 ℃.
The exhaust valve of this embodiment utilizes the function that thermostatic control valve 5 inducted fluid temperature and opens and close automatically through installing governing valve 4, thermostatic control valve 5 and sensor, when fluid temperature is less than the settlement temperature, thermostatic control valve 5 opens and makes the fluid flow and discharge valve body 1 outside, and the higher liquid of temperature gets into valve body 1 from the import simultaneously, makes the internal fluid temperature of valve body 1 be higher than the settlement temperature of thermostatic control valve 5 all the time to realize the function of preventing frostbite.
The exhaust valve of the embodiment can rapidly exhaust when the pipeline is filled with water, can rapidly intake when negative pressure is generated in the pipeline, can discharge gas gathered in the pipeline under a normal state, can be automatically opened and closed after being exhausted, and can prevent ice in the exhaust valve body 1 when the temperature is lower than zero, thereby realizing an anti-freezing function.
Embodiment two:
the embodiment provides an antifreezing composite high-speed air inlet and outlet valve which is of an integral air outlet valve structure, as shown in fig. 3 and 4, and comprises a valve body 1, wherein a floating ball cover 16 and a floating body 2 are arranged in the valve body 1, in the embodiment, the floating body 2 is a floating ball, and the top of the floating ball is connected with a lifting cover 15; a valve cover 10 is arranged at the top of the valve body 1, and the valve cover 10 is provided with an exhaust hood 12 through a protective net 11; a water outlet is arranged on the side surface of the valve body 1 near the bottom, and a regulating valve 4 and a constant temperature control valve 5 are sequentially arranged on the water outlet.
In this embodiment, the valve body 1 has two sensors, wherein the upper side of the water outlet is provided with a first sensor 7, the top of the exhaust hood 12 is provided with a second sensor 8 extending into the first sensor 7 and the second sensor 8 are both connected with a remote monitoring terminal 13.
The antifreeze principle of the present embodiment is the same as that of the first embodiment, and will not be described here again.
Embodiment III:
the embodiment provides a fluid conveying system, which is provided with the antifreezing composite high-speed air inlet and outlet valve in the first embodiment or the second embodiment, wherein the air outlet valve is arranged at the highest position of a vertical pipe of a fluid conveying pipeline, when fluid with low temperature is discharged from a constant temperature regulating valve 4, the fluid with high temperature enters a valve body 1 from the fluid conveying pipeline, the maximum efficiency of the air outlet valve is exerted, the flow loss of the fluid conveying pipeline is not increased, and meanwhile, the normal work in cold weather is realized.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The anti-freezing compound high-speed air inlet and outlet valve is characterized by comprising a valve body, wherein a regulating valve and a constant-temperature regulating valve are sequentially arranged at the position of a water outlet of the valve body, and a sensor for detecting air quantity is arranged at least one position of the valve body; the constant temperature regulating valve is used for opening when the temperature of the fluid is lower than the set temperature so that the fluid is discharged through the constant temperature regulating valve; and when the fluid temperature is higher than the set temperature, the thermostatic control valve is closed.
2. The antifreezing composite high-speed air inlet and outlet valve according to claim 1, wherein a first sensor is arranged on the side surface of the valve body, and corresponds to the outer side of the floating ball cover.
3. The antifreeze composite high-speed intake and exhaust valve according to claim 2, wherein the first sensor is disposed on the upper side or the opposite side of the drain opening.
4. The antifreezing composite high-speed air inlet and outlet valve according to claim 2, wherein the valve body is provided with a valve cover, an exhaust hood is arranged at the top of the valve cover, and a second sensor extending into the top of the exhaust hood is arranged at the top of the exhaust hood.
5. The antifreeze compound high speed intake and exhaust valve of claim 3 or 4, wherein said valve body is further connected with a micro exhaust valve, said micro exhaust valve being provided with a third sensor.
6. The antifreeze composite high-speed air inlet and outlet valve according to claim 1, wherein the regulating valve is used for regulating the outlet flow of the thermostatic control valve.
7. The antifreezing composite high-speed air inlet and outlet valve according to claim 1, wherein a slow blocking valve or a filter screen is arranged at the inlet of the valve body.
8. A fluid delivery system incorporating an antifreeze compound high speed inlet and outlet valve as claimed in any one of claims 1 to 7.
9. The fluid delivery system of claim 8, wherein the antifreeze compound high speed intake and exhaust valve is mounted at a riser of a fluid delivery conduit.
10. A fluid delivery system according to claim 8, wherein when fluid at a low temperature is discharged from the thermostatic valve, fluid at a high temperature enters the valve body from the fluid delivery conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310952060.2A CN117145989A (en) | 2023-07-31 | 2023-07-31 | Anti-freezing combined type high-speed air inlet and outlet valve and fluid conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310952060.2A CN117145989A (en) | 2023-07-31 | 2023-07-31 | Anti-freezing combined type high-speed air inlet and outlet valve and fluid conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117145989A true CN117145989A (en) | 2023-12-01 |
Family
ID=88908956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310952060.2A Pending CN117145989A (en) | 2023-07-31 | 2023-07-31 | Anti-freezing combined type high-speed air inlet and outlet valve and fluid conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117145989A (en) |
-
2023
- 2023-07-31 CN CN202310952060.2A patent/CN117145989A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2469838C (en) | Water supply system | |
| US4117856A (en) | Frostproof backflow preventer | |
| US7377286B2 (en) | Drain valve | |
| US20150211510A1 (en) | Water removal storage system and method | |
| US5988984A (en) | Method and apparatus for liquid control system having a valve with a notch in the seal for enabling a sufficient fluid to pass through when the seal is fully closed to cool the pump and/or motor | |
| WO2017184360A1 (en) | Anti-air lock negative and/or vacuum pressure air admittance connector | |
| US3406715A (en) | Drain valve | |
| CN117145989A (en) | Anti-freezing combined type high-speed air inlet and outlet valve and fluid conveying system | |
| US10823304B2 (en) | Freeze prevention valve | |
| CN211059398U (en) | Stop discharge valve convenient for regulating and controlling functions | |
| CA2428768C (en) | Surge check unit for a liquid distribution system | |
| CN114183679A (en) | Magnetic exhaust valve group and steam trap | |
| CA2205335A1 (en) | Air/vacuum valve throttling apparatus | |
| US6907898B2 (en) | Fluid shutoff apparatus | |
| US1134882A (en) | Automatic low-temperature cut-off for water-pipes. | |
| CN215059498U (en) | Multifunctional valve based on artificial intelligence | |
| CN217383188U (en) | Air conditioner humidification system of preventing frostbite | |
| KR20010083841A (en) | Frost proof faucet | |
| CN207814570U (en) | A kind of float-type inflow-rate of water turbine shut-off valve | |
| CN219413589U (en) | High-tightness ball valve | |
| KR102440380B1 (en) | Valves that can be opened and closed for both water and discharge | |
| CN206669055U (en) | A kind of control valve for integrating filtering decompression | |
| CN206669104U (en) | A kind of filtering type control valve | |
| RU2147705C1 (en) | Pipe line air inlet and outlet valve | |
| RU2307955C1 (en) | Oil system float chamber of natural gas charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |