CN216456657U - Anti-freezing system of tunnel fire pipeline - Google Patents
Anti-freezing system of tunnel fire pipeline Download PDFInfo
- Publication number
- CN216456657U CN216456657U CN202122142488.XU CN202122142488U CN216456657U CN 216456657 U CN216456657 U CN 216456657U CN 202122142488 U CN202122142488 U CN 202122142488U CN 216456657 U CN216456657 U CN 216456657U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- fire
- water
- fighting pipeline
- fire fighting
- 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.)
- Active
Links
Images
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The embodiment of the disclosure discloses an anti-freezing system of a tunnel fire pipeline, which comprises a fire pipeline, a water inlet pipe, a water outlet pipe, an ambient temperature sensor, a heating device and a controller, wherein the water inlet pipe is connected with the water outlet pipe; the water inlet end of the fire-fighting pipeline is connected with a water source through a water outlet pipe, the water outlet end of the fire-fighting pipeline is connected with the water source through a water inlet pipe, a first electromagnetic valve is arranged between the water inlet end and the water outlet end, and a second electromagnetic valve is arranged between the water inlet pipe and the water outlet pipe; heating device sets up in the outside of fire-fighting pipeline, and ambient temperature sensor is located the tunnel, still is equipped with the circulating pump on the controller fire-fighting pipeline, and fire-fighting pipeline's inlet end and delivery port department all are equipped with pipeline temperature sensor. When the temperature is lower, the flow velocity of water in the fire fighting pipeline is enabled by opening the circulating pump, and/or the water in the fire fighting pipeline is heated by opening the heating device, so that the water in the tunnel fire fighting pipeline is not frozen, and the use of fire fighting equipment under emergency is prevented from being influenced.
Description
Technical Field
The utility model relates to a tunnel fire-fighting equipment field particularly relates to a system of preventing frostbite of tunnel fire-fighting pipeline.
Background
In recent years, tunnels have become more and more popular in road construction. With the continuous increase of the number of the tunnels, the highway tunnel fire-fighting system has extremely important function and significance in guaranteeing the safety of lives and properties of people. When the temperature is lower in winter, the probability of freezing water in the fire fighting pipe is higher, and once the water is frozen, the use of the fire fighting equipment under emergency can be influenced.
SUMMERY OF THE UTILITY MODEL
In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The summary of the present disclosure is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
The embodiment of the disclosure provides an anti-freezing system of a tunnel fire pipeline, which comprises a fire pipeline, a water inlet pipe, a water outlet pipe, an environment temperature sensor, a heating device and a controller, wherein the water inlet pipe is arranged on the fire pipeline;
the water inlet end of the fire fighting pipeline is connected with a water source through the water outlet pipe, the water outlet end of the fire fighting pipeline is connected with the water source through the water inlet pipe, a first electromagnetic valve is arranged between the water inlet end and the water outlet end, and a second electromagnetic valve is arranged between the water inlet pipe and the water outlet pipe;
the heating device is arranged outside the fire fighting pipeline, the environment temperature sensor is positioned in the tunnel, the controller is also provided with a circulating pump on the fire fighting pipeline, and pipeline temperature sensors are arranged at the water inlet end and the water outlet end of the fire fighting pipeline;
the input end of the controller is respectively and electrically connected with the environment temperature sensor and the pipeline temperature sensor, and the output end of the controller is respectively and electrically connected with the circulating pump, the first electromagnetic valve, the second electromagnetic valve and the heating device.
Specifically, a flow speed changer is further arranged on the fire fighting pipeline.
Specifically, the number of the pipeline temperature sensors arranged at the water inlet end and the water outlet end of the fire fighting pipeline is two, wherein one of the pipeline temperature sensors is used as a standby pipeline temperature sensor.
Specifically, the number of the heating means is plural.
Specifically, the heating device is an electric tracing band.
Specifically, the environment temperature sensor is used for detecting the environment temperature in the tunnel, and the pipeline temperature sensor is used for detecting the temperature of water in the fire fighting pipeline;
the controller is used for judging whether the environment temperature is smaller than a first preset temperature threshold value or not, if so, the power of the circulating pump is increased so as to improve the flow rate of water in the fire fighting pipeline; if not, reducing the power of the circulating pump to reduce the flow rate of water in the fire fighting pipeline;
and judging whether the temperature of the water in the fire fighting pipeline is less than a first preset temperature threshold value or not, if so, controlling a heating device to start heating and recording the heating time of the heating device, and if the heating time of the heating device is more than or equal to a preset time threshold value, repeating the control process until the temperature of the water in the fire fighting pipeline is more than or equal to the first preset temperature or all the heating devices start heating.
Specifically, the controller is further configured to determine whether the ambient temperature is greater than or equal to a second preset temperature threshold, and if so, continue to reduce the power of the circulation pump to reduce the flow rate of the water in the fire fighting pipeline to a first flow rate threshold, where the second preset temperature threshold is greater than the first preset temperature threshold.
According to the anti-freezing system for the tunnel fire pipeline, when the temperature is low, the circulating pump is started to enable the flow speed of water in the fire pipeline and/or the heating device is started to heat the water in the fire pipeline, so that the water in the tunnel fire pipeline is not frozen, and the use of fire-fighting equipment under emergency is prevented from being influenced.
Drawings
The following drawings of the present disclosure are included to provide an understanding of the disclosure as a part of the embodiments thereof. Embodiments of the present disclosure and their description are illustrated in the accompanying drawings to explain the principles of the disclosure.
In the drawings:
FIG. 1 is a schematic structural view of an antifreeze system for a tunnel fire conduit according to an alternative embodiment of the present disclosure;
FIG. 2 is a schematic circuit diagram of an anti-freeze system for a tunnel fire conduit according to an alternative embodiment of the present disclosure.
Description of the reference numerals
1-a fire-fighting pipeline, 2-a first electromagnetic valve, 3-a second electromagnetic valve, 4-a water inlet pipe, 5-a water outlet pipe, 6-a controller, 7-a water source, 8-an ambient temperature sensor, 9-a pipeline temperature sensor, 10-a flow speed changer, 11-a circulating pump and 12-a heating device.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present disclosure. It will be apparent, however, to one skilled in the art, that the present disclosure may be practiced without one or more of these specific details. In other instances, well-known features of the art have not been described in order to avoid obscuring the present disclosure.
It should be 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 disclosure. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
Exemplary embodiments according to the present disclosure will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art.
As shown in fig. 1 and 2, an embodiment of the present disclosure provides an anti-freezing system for a tunnel fire pipeline, including a fire pipeline 1, a water inlet pipe 4, a water outlet pipe 5, an ambient temperature sensor 8, a heating device 12, and a controller 6; the water inlet end of the fire fighting pipeline 1 is connected with a water source 7 through a water outlet pipe 5, the water outlet end of the fire fighting pipeline 1 is connected with the water source 7 through a water inlet pipe 4, a first electromagnetic valve 2 is arranged between the water inlet end and the water outlet end, and a second electromagnetic valve 3 is arranged between the water inlet pipe 4 and the water outlet pipe 5; the heating device 12 is arranged outside the fire-fighting pipeline 1, the environment temperature sensor 8 is positioned in the tunnel, the controller 6 is also provided with a circulating pump 11 on the fire-fighting pipeline 1, and the pipeline temperature sensors 9 are arranged at the water inlet end and the water storage end of the fire-fighting pipeline 1; the input end of the controller 6 is respectively electrically connected with the ambient temperature sensor 8 and the pipeline temperature sensor 9, and the output end of the controller 6 is respectively electrically connected with the circulating pump 11, the first electromagnetic valve 2, the second electromagnetic valve 3 and the heating device 12.
Wherein, the water pipe quantity that fire service pipeline 1 includes does not do the strict limitation in this application, and specific water pipe quantity can be designed by the length in tunnel, and the length in tunnel is longer more promptly, and the water pipe quantity is more, and the length in tunnel is shorter, and the water pipe quantity is less. Further, the number of the heating devices 12 is plural, and the number of the heating devices 12 can be designed by the length of the fire fighting pipeline 1, that is, the longer the length of the fire fighting pipeline 1 is, the larger the number of the heating devices 12 is, the shorter the length of the fire fighting pipeline 1 is, the smaller the number of the heating devices 12 is.
In specific application, the ambient temperature sensor 8 detects the ambient temperature in the tunnel, and the pipeline temperature sensor 9 detects the temperature of the water in the fire fighting pipeline 1; the controller 6 judges whether the ambient temperature is less than a first preset temperature threshold value, if so, the power of the circulating pump 11 is increased so as to improve the flow rate of water in the fire fighting pipeline 1; if not, reducing the power of the circulating pump 11 to reduce the flow rate of the water in the fire fighting pipeline 1; judging whether the temperature of the water in the fire fighting pipeline 1 is smaller than a first preset temperature threshold value or not, if so, controlling one heating device 12 to start heating and recording the heating time of the heating device 12, and if the heating time of the heating device 12 is larger than or equal to the preset time threshold value, repeating the control process until the temperature of the water in the fire fighting pipeline 1 is larger than or equal to the first preset temperature or all the heating devices 12 start heating. And controlling the heating device 12 to stop heating if the temperature of the water in the fire fighting pipeline 1 is greater than or equal to a first preset temperature threshold value. The first preset temperature threshold and the time threshold can be set by workers according to actual requirements.
Under the condition that needs the fire control, control first solenoid valve 2 and second solenoid valve 3 and open, the reliability of fire control water supply is guaranteed in the two-way circulation flow of rivers in the fire control pipeline 1. Under the condition that fire fighting is not needed, the first electromagnetic valve 2 and the second electromagnetic valve 3 are controlled to be closed, and water in the fire fighting pipeline 1 flows in a one-way circulating mode.
For example, assuming that the heating devices 12 are set as five groups, the first preset temperature threshold is 5 ℃ and the time threshold is 30 minutes, if the ambient temperature is less than 5 ℃, the power of the circulating pump 11 is increased to increase the flow rate of the water in the fire fighting pipeline 1, thereby preventing the water in the fire fighting pipeline 1 from freezing, and if the ambient temperature is not less than 5 ℃, that is, the ambient temperature is greater than or equal to 5 ℃, the power of the circulating pump 11 is decreased to decrease the flow rate of the water in the fire fighting pipeline 1, thereby decreasing the power of the circulating pump 11 when the ambient temperature is higher, thereby reducing the energy consumption and saving resources. And when the temperature of the water in the fire fighting pipeline 1 is less than 5 ℃, controlling the first group of heating devices 12 to start heating and recording the heating time of the first group of heating devices 12, if the heating time of the heating devices 12 is greater than or equal to a preset time threshold value and the temperature of the water in the fire fighting pipeline 1 is still less than 5 ℃, controlling the second group of heating devices 12 to start heating and recording the heating time of the second heating device 12, if the heating time of the heating devices 12 is greater than or equal to the preset time threshold value and the temperature of the water in the fire fighting pipeline 1 is still less than 5 ℃, starting the heating of the third group of heating devices 12 and recording the heating time of the third heating device 12, and so on until the temperature of the water in the fire fighting pipeline 1 is greater than or equal to 5 ℃ or all the heating devices 12 start heating. And controlling the heating device 12 to stop heating if the temperature of the water in the fire fighting pipeline 1 is greater than or equal to 5 ℃.
In this embodiment, when the water in the fire pipeline is at the lower temperature, heat through heating device 12 and carry out the circulation flow through circulating pump 11 to effectively prevent that the water in the fire pipeline from freezing, and heating device 12 is under the condition that the water in the fire pipeline does not reach first preset temperature threshold value, opens one by one according to certain frequency, under the condition that the water in the fire pipeline reaches first preset temperature threshold value, just need not to open new heating equipment again, can reduce the consumption to the electric energy like this. And under the condition that the temperature in the tunnel is less than the first preset temperature threshold value, the water in the fire fighting pipeline is prevented from freezing by improving the flowing speed of the water in the fire fighting pipeline 1. Under the condition that the temperature in the tunnel is greater than the first preset temperature threshold value, the flow speed of water in the fire-fighting pipeline 1 is reduced, so that the power consumption of the circulating pump 11 is reduced, and energy is saved.
According to the anti-freezing system for the tunnel fire pipeline provided by the embodiment of the disclosure, when the temperature is lower, the circulating pump 11 is started to enable the flow speed of water in the fire pipeline, and/or the heating device 12 is started to heat the water in the fire pipeline, so that the water in the tunnel fire pipeline is not frozen, and the influence on the use of fire-fighting equipment in an emergency situation is avoided.
In the above embodiment, as shown in fig. 2, the fire fighting pipeline 1 is further provided with a flow rate changer 10, and the flow rate changer 10 is used for detecting the flow rate of water in the fire fighting pipeline 1.
Further, the number of the pipeline temperature sensors 9 arranged at the water inlet end and the water storage end of the fire-fighting pipeline 1 is two, and one of the pipeline temperature sensors 9 is used as a standby pipeline temperature sensor 9, so that the situation that when one pipeline temperature sensor 9 fails, the temperature of water in the fire-fighting pipeline 1 cannot be detected, and the heating device 12 cannot be started in time is avoided.
Further, the heating device 12 is an electric tracing band. The electric tracing band has the advantages of simple structure, uniform heating and accurate temperature control, and can be remotely controlled to realize automatic management.
Further, an ambient temperature sensor 8 is used for detecting the ambient temperature in the tunnel, and a pipeline temperature sensor 9 is used for detecting the temperature of water in the fire fighting pipeline 1; the controller 6 is used for judging whether the ambient temperature is smaller than a first preset temperature threshold value or not, if so, increasing the power of the circulating pump 11 so as to improve the flow rate of water in the fire-fighting pipeline 1; if not, reducing the power of the circulating pump 11 to reduce the flow rate of the water in the fire fighting pipeline 1; judging whether the temperature of the water in the fire fighting pipeline 1 is smaller than a first preset temperature threshold value or not, if so, controlling one heating device 12 to start heating and recording the heating time of the heating device 12, and if the heating time of the heating device 12 is larger than or equal to the preset time threshold value, repeating the control process until the temperature of the water in the fire fighting pipeline 1 is larger than or equal to the first preset temperature or all the heating devices 12 start heating. And if the temperature in the fire fighting pipeline is greater than or equal to a first preset temperature threshold value, controlling the heating device to stop heating.
For example, assuming that the heating devices 12 are set as five groups, the first preset temperature threshold is 5 ℃ and the time threshold is 30 minutes, if the ambient temperature is less than 5 ℃, the power of the circulating pump 11 is increased to increase the flow rate of the water in the fire fighting pipeline 1, thereby preventing the water in the fire fighting pipeline 1 from freezing, and if the ambient temperature is not less than 5 ℃, that is, the ambient temperature is greater than or equal to 5 ℃, the power of the circulating pump 11 is decreased to decrease the flow rate of the water in the fire fighting pipeline 1, thereby decreasing the power of the circulating pump 11 when the ambient temperature is higher, thereby reducing the energy consumption and saving resources. And when the temperature of the water in the fire fighting pipeline 1 is less than 5 ℃, controlling the first group of heating devices 12 to start heating and recording the heating time of the first group of heating devices 12, if the heating time of the heating devices 12 is greater than or equal to a preset time threshold value and the temperature of the water in the fire fighting pipeline 1 is still less than 5 ℃, controlling the second group of heating devices 12 to start heating and recording the heating time of the second heating devices 12, if the heating time of the heating devices 12 is greater than or equal to a preset time threshold value and the temperature of the water in the fire fighting pipeline 1 is still less than 5 ℃, controlling the third group of heating devices 12 to start heating and recording the heating time of the third heating devices 12, and so on until the temperature of the water in the fire fighting pipeline 1 is greater than or equal to 5 ℃ or all the heating devices 12 start heating. And controlling the heating device 12 to stop heating if the temperature of the water in the fire fighting pipeline 1 is greater than or equal to 5 ℃.
When the water in the fire pipeline is at a lower temperature, the water is heated by the heating device 12 and circularly flows by the circulating pump 11, so that the water in the fire pipeline is effectively prevented from freezing, the heating device 12 is started one by one according to a certain frequency under the condition that the water in the fire pipeline does not reach a first preset temperature threshold, and new heating equipment is not required to be started under the condition that the water in the fire pipeline reaches the first preset temperature threshold, so that the consumption of electric energy can be reduced. And under the condition that the temperature in the tunnel is less than the first preset temperature threshold value, the water in the fire fighting pipeline is prevented from freezing by improving the flowing speed of the water in the fire fighting pipeline 1. Under the condition that the temperature in the tunnel is greater than the first preset temperature threshold value, the flow speed of water in the fire-fighting pipeline 1 is reduced, so that the power consumption of the circulating pump 11 is reduced, and energy is saved.
Further, the controller 6 is further configured to determine whether the ambient temperature is greater than or equal to a second preset temperature threshold, and if so, continue to reduce the power of the circulating pump 11, so as to reduce the flow rate of the water in the fire fighting pipeline 1 to the first flow rate threshold, where the second preset temperature threshold is greater than the first preset temperature threshold.
Wherein, the second temperature threshold value and the first velocity of flow threshold value can be predetermine by the staff and carry out the setting according to actual demand, for example, the second is predetermine the temperature threshold value and is 10 ℃, under the circumstances that ambient temperature is greater than or equal to the second and predetermine the temperature threshold value, the probability that the water in fire control pipeline 1 takes place to freeze is extremely low, the velocity of flow of water in the fire control pipeline like this can very low to reduce circulating pump 11's consumption, the energy saving.
The present disclosure has been illustrated by the above-described embodiments, but it should be understood that the above-described embodiments are for purposes of illustration and description only and are not intended to limit the present disclosure to the described embodiments. Furthermore, it will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, and that many variations and modifications may be made in light of the teaching of the present disclosure, all of which fall within the scope of the claimed disclosure. The scope of the disclosure is defined by the appended claims and equivalents thereof.
Claims (5)
1. An anti-freezing system of a tunnel fire pipeline is characterized by comprising a fire pipeline, a water inlet pipe, a water outlet pipe, an ambient temperature sensor, a heating device and a controller;
the water inlet end of the fire fighting pipeline is connected with a water source through the water outlet pipe, the water inlet end of the fire fighting pipeline is connected with the water source through the water inlet pipe, a first electromagnetic valve is arranged between the water inlet end and the water outlet end, and a second electromagnetic valve is arranged between the water inlet pipe and the water outlet pipe;
the heating device is arranged outside the fire fighting pipeline, the environment temperature sensor is positioned in the tunnel, the controller is also provided with a circulating pump on the fire fighting pipeline, and pipeline temperature sensors are arranged at the water inlet end and the water outlet end of the fire fighting pipeline;
the input end of the controller is respectively and electrically connected with the environment temperature sensor and the pipeline temperature sensor, and the output end of the controller is respectively and electrically connected with the circulating pump, the first electromagnetic valve, the second electromagnetic valve and the heating device.
2. The antifreeze system for a tunnel fire pipeline of claim 1, wherein a flow variator is further provided on the fire pipeline.
3. The antifreeze system for a fire fighting pipeline of a tunnel according to claim 1, wherein the number of the pipeline temperature sensors provided at the water inlet end and the water outlet end of the fire fighting pipeline is two, and one of the pipeline temperature sensors serves as a backup pipeline temperature sensor.
4. The antifreeze system for a tunnel fire pipeline of claim 1, wherein the heating apparatus is plural in number.
5. The antifreeze system for a tunnel fire pipeline of claim 1, wherein said heating means is an electric tracing band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122142488.XU CN216456657U (en) | 2021-09-06 | 2021-09-06 | Anti-freezing system of tunnel fire pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122142488.XU CN216456657U (en) | 2021-09-06 | 2021-09-06 | Anti-freezing system of tunnel fire pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216456657U true CN216456657U (en) | 2022-05-10 |
Family
ID=81436370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122142488.XU Active CN216456657U (en) | 2021-09-06 | 2021-09-06 | Anti-freezing system of tunnel fire pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216456657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750427A (en) * | 2021-09-06 | 2021-12-07 | 辽宁省交通规划设计院有限责任公司 | Anti-freezing system of tunnel fire pipeline |
-
2021
- 2021-09-06 CN CN202122142488.XU patent/CN216456657U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750427A (en) * | 2021-09-06 | 2021-12-07 | 辽宁省交通规划设计院有限责任公司 | Anti-freezing system of tunnel fire pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109340901A (en) | A kind of antifreeze control method of low-temperature air source heat pump heating machine | |
| CN106288245A (en) | A kind of water machine antifreeze control method, system and air-conditioning equipment | |
| CN202813788U (en) | Gas water heater | |
| CN216456657U (en) | Anti-freezing system of tunnel fire pipeline | |
| CN111765648A (en) | Anti-freezing control method, processor and air source heat pump system | |
| CN201935410U (en) | Hot water installation system capable of discharging water to prevent freezing after power failure | |
| CN111664573A (en) | Anti-freezing control method and device for gas water heater | |
| CN113750427A (en) | Anti-freezing system of tunnel fire pipeline | |
| CN208121709U (en) | A kind of gate hot gas deicing device | |
| CN212104327U (en) | Cold region tunnel water fire control freeze-proof device | |
| CN103940125B (en) | The control method of intelligent circulation antifreezing solar energy control system and this system | |
| CN209524628U (en) | Water heater and its winterization system | |
| CN111750408B (en) | Anti-icing accuse temperature water charging system | |
| CN201731555U (en) | Solar water heating system combined with fast-heating water heater integrated with pipeline constant-temperature valve | |
| CN109555756A (en) | Development machine and its development machine cooling system | |
| CN208154858U (en) | A kind of voltage-regulating system using geothermal heating natural gas | |
| CN210717821U (en) | Water temperature and room temperature independent control system for air source heat pump heating | |
| CN203454416U (en) | Gas water heater capable of realizing heating control and water heater on-line system | |
| CN107288582A (en) | A kind of pit shaft heat-insulation system and pit shaft thermal-insulation control method | |
| CN217876199U (en) | Air handling unit with anti-freezing protection structure | |
| CN101788163A (en) | Water heater provided with water storage tank and water supply system | |
| CN219454075U (en) | Radiator device and heating system | |
| CN218884461U (en) | Low-cost process circulating water emergency switching device | |
| CN216640859U (en) | Prefabricated pump station of type of preventing frostbite | |
| CN211695471U (en) | Intelligent anti-freezing device of solar water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |