Dry type automatic pressurizing foam water cannon
Through the dry automatic supercharged foam water cannon, the supercharged water pump and drainage components are used to solve the problems of poor fire extinguishing effect at high points and pipeline freezing, achieving stable water pressure and environmental protection.
Patent Information
- Application Number
- CN202422462185.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-10-12
AI Technical Summary
When fire water cannons sprinkle out fire, it is difficult to reach the water column at the high point, the water column is not sufficient, the fire extinguishing effect is poor, and the fire water in the pipeline in winter is prone to freeze, causing environmental pollution.
A dry automatic supercharged foam water cannon is designed, using a supercharged water pump and flow switch to control the water pressure, combined with a pressure transmitter and a water cannon control box, to achieve stable water pressure boosting, and drain residual water into the sewage system through drainage components to avoid pipeline freezing.
Effective fire extinguishing at high points is achieved, pipeline freezing and environmental pollution are avoided, and power consumption is saved.
Smart Images
Figure CN223287531U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire-fighting water monitors, in particular to a dry-type automatic pressurized foam water monitor. Background Art
[0002] In the chemical production process, a large amount of non-water-soluble flammable and explosive liquid materials are commonly used. After a fire occurs, foam fire extinguishing agents can effectively extinguish non-water-soluble liquid fires. The foam water cannon fire extinguishing system has many advantages such as video monitoring, remote control, and water column adjustment. When used in conjunction with a foam liquid tank and a proportioning mixer, it can achieve good foam spray fire extinguishing effects. Therefore, it is widely used in chemical companies and is mainly deployed around key equipment with fire hazards.
[0003] Generally, chemical companies have fire pump rooms with fire pumps installed in them. When a fire occurs, the fire pumps start and supply water to the entire factory through the factory fire pipe network system. The selection of fire pumps is limited by the material of the fire pipe network and the water pressure in the fire pipe network. Chemical facilities such as distillation towers are relatively high. When fire monitors spray water to extinguish fires, the fire water column at high points often fails to reach or is insufficient, resulting in poor fire extinguishing effect. Some chemical companies rely on municipal tap water networks as a source of fire water, and the water pressure generally does not exceed 0.5Mpa, which cannot meet the technical parameter requirements of fire monitors.
[0004] After a general fire water monitor is finished spraying, fire water will remain in some of the above-ground pipes. In order to prevent freezing in winter, the traditional method is to use electric heating and insulation, which consumes a lot of electricity. Some companies add a static valve to discharge the foam fire water stored in the pipe to the ground. The disadvantage is that it cannot be completely drained, and the foam fire water flows directly on the ground, causing environmental pollution. Therefore, a dry automatic pressurized foam water monitor is designed to solve the above problems. Utility Model Content
[0005] The purpose of the utility model is to solve the problems existing in the above-mentioned background technology, and to propose a dry type automatic pressurized foam water monitor.
[0006] The technical problem to be solved by the utility model is to provide a dry-type automatic pressurized foam water monitor, which solves the problems in the prior art that, when the fire-fighting water monitor is used to spray water for fire extinguishing, the fire-fighting water column often fails to reach the high point position or the water column is not sufficient, resulting in poor fire-fighting effect, and fire-fighting water will be stored in the above-ground pipeline, which will cause the pipeline to freeze in winter.
[0007] The utility model provides a dry-type automatic pressurized foam water monitor, comprising a fire main line and a water supply valve, a booster water pump, a flow switch, a pressure transmitter and a pressure-type foam proportioning device installed on the fire main line, wherein the water supply valve is installed on the left side of the fire main line, the booster water pump is installed on the right side of the water supply valve, the flow switch is installed on the right side of the booster water pump, and the pressure transmitter is installed on the right side of the flow switch, the right end of the fire main line is connected to the water inlet end of the pressure-type foam proportioning device, and the water inlet end of the pressure-type foam proportioning device is installed with a proportioning mixer, the water outlet end of the pressure-type foam proportioning device is installed with a water monitor water outlet device, and a drainage component is connected to the fire main line behind the water supply valve.
[0008] Preferably, a frequency converter is provided on the motor power line of the booster water pump, and the other end of the frequency converter is connected to the water monitor control box.
[0009] Preferably, the flow switch and pressure transmitter are both connected to the water monitor control box via power lines.
[0010] Preferably, the outer surface of the above-ground fire main pipeline in front of the booster water pump is wrapped with an insulation layer.
[0011] Preferably, the main fire-fighting pipeline is laid underground, a valve well is provided underground, and the water supply valve is located in the valve well.
[0012] Preferably, the drainage assembly includes a drain pipe, a manual valve, a diaphragm pump and a sewage collection tank. The drain pipe is installed underground in the fire main line behind the water supply valve. A manual valve is installed on the drain pipe. The manual valve and the drain pipe are connected to a diaphragm pump, and the drainage end of the diaphragm pump is connected to the sewage collection tank.
[0013] Preferably, the ground portion of the drainage pipe is inclined with one end facing the sewage collection tank at a lower level, and the outer surface of the ground portion of the drainage pipe is wrapped with a thermal insulation layer.
[0014] Compared with the prior art, the present invention has at least the following beneficial effects:
[0015] 1. After the water supply valve of the utility model is opened, the flow switch can automatically control the start of the booster water pump. The booster water pump increases the water pressure of the pipe network according to the preset pressure value, and stabilizes the water pressure at the preset pressure, which can extinguish the fire more quickly.
[0016] 2. The drain pipe provided by this utility model can completely drain the foam water stored in the fire water pipeline, preventing the pipeline from freezing in winter, and does not consume the electricity required by traditional heating. The residual foam liquid in the fire main pipeline is discharged into the sewage system, avoiding environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly describes the drawings required for the specific embodiments or the description of the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. Elements or parts in the drawings are not necessarily drawn to scale.
[0018] Figure 1 It is a schematic cross-sectional view of the overall structure of the utility model.
[0019] [reference numerals]
[0020] 1. Fire main line; 2. Water supply valve; 3. Booster pump; 4. Flow switch; 5. Pressure transmitter; 6. Frequency converter; 7. Water monitor control box; 8. Pressure foam proportioning device; 801, proportioning mixer; 9. Water monitor discharge device; 10. Valve well; 11. Drain pipe; 12. Manual valve; 13. Diaphragm pump; 14. Sewage collection tank. DETAILED DESCRIPTION
[0021] Example:
[0022] like Figure 1 As shown, an embodiment of the present invention provides a dry-type automatic pressurized foam water monitor, which is characterized in that it includes a fire main line 1 and a water supply valve 2, a booster water pump 3, a flow switch 4, a pressure transmitter 5 and a pressure-type foam proportioning device 8 installed on the fire main line 1. The water supply valve 2 is installed on the left side of the fire main line 1, the booster water pump 3 is installed on the right side of the water supply valve 2, the flow switch 4 is installed on the right side of the booster water pump 3, and the pressure transmitter 5 is installed on the right side of the flow switch 4. The right end of the fire main line 1 is connected to the water inlet end of the pressure-type foam proportioning device 8, and the water inlet end of the pressure-type foam proportioning device 8 is installed with a proportioning mixer 801, the water outlet end of the pressure-type foam proportioning device 8 is installed with a water monitor water outlet device 9, and a drainage component is connected to the fire main line 1 after the water supply valve 2.
[0023] In this embodiment, a frequency converter 6 is provided on the motor power line of the booster water pump 3 , and the other end of the frequency converter 6 is connected to the water monitor control box 7 .
[0024] In this embodiment, the flow switch 4 and the pressure transmitter 5 are both connected to the water monitor control box 7 via power lines.
[0025] In this embodiment, the outer surface of the above-ground fire main pipe 1 in front of the booster water pump 3 is wrapped with an insulation layer to achieve the effect of insulating the above-ground part of the fire main pipe 1.
[0026] In this embodiment, the fire main pipeline 1 is laid underground, a valve well 10 is provided underground, and the water supply valve 2 is located in the valve well 10 .
[0027] In this embodiment, the drainage assembly includes a drain pipe 11, a manual valve 12, a diaphragm pump 13 and a sewage collection tank 14. The drain pipe 11 is arranged in an underground position of the fire main line 1 behind the water supply valve 2. A manual valve 12 is installed on the drain pipe 11. The manual valve 12 and the drain pipe 11 are connected to a diaphragm pump 13, and the drainage end of the diaphragm pump 13 is connected to the sewage collection tank 14.
[0028] In this embodiment, the drain pipe 11 on the ground is inclined at a low level at one end toward the sewage collection tank 14, which facilitates the discharge of all water in the drain pipe 11 into the sewage collection tank 14 for collection, and the outer surface of the drain pipe 11 on the ground is wrapped with an insulation layer to achieve the effect of insulation of the drain pipe 11.
[0029] Working principle:
[0030] When the water supply valve 2 is opened, the flow switch 4 detects the fire water flow and transmits the signal to the water monitor control box 7, which controls the booster pump 3 to start. The pressure transmitter 5 continuously detects the fire water pressure and transmits the pressure value signal to the water monitor control box 7. The water monitor control box 7 controls the frequency converter 6. The frequency converter 6 controls the output power of the booster pump 3 by controlling the current frequency, so that the fire water pressure reaches the preset value. The pressurized fire water enters the pressure-type foam proportioning mixing device 8 and is then continuously sprayed out by the water monitor discharge device 9 to achieve the fire extinguishing effect.
[0031] After the water spraying fire extinguishing task is completed, the water cannon control box 7 controls the frequency converter 6 to cut off the power supply, and then the booster pump 3 stops running, the water supply valve 2 is closed, and the spraying stops. After the spraying stops, the manual valve 12 is manually opened and the diaphragm pump 13 is started. The fire water and foam liquid remaining in the fire main line 1 are discharged into the sewage collection tank 14 through the drain pipe 11. The above-ground part of the drain pipe 11 is set with an inclination to ensure that the residual water in the above-ground part of the drain pipe 11 can be completely discharged into the sewage collection tank 14. The above-ground part of the fire main line 1 and the drain pipe 11 is provided with an insulation layer to achieve the effect of insulating the fire main line 1 and the drain pipe 11, and can prevent the heat loss on the fire main line 1 in the valve well 10 in cold weather in winter, and prevent the water in the fire pipe from freezing.
[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention. These should also be regarded as the scope of protection of the present invention. These will not affect the effect of the implementation of the present invention and the practicality of the patent.
Claims
1. A dry type automatic pressurized foam water monitor, characterized by: The invention comprises a fire main line (1) and a water supply valve (2), a booster water pump (3), a flow switch (4), a pressure transmitter (5) and a pressure-type foam proportioning device (8) installed on the fire main line (1). The water supply valve (2) is installed on the left side of the fire main line (1), the booster water pump (3) is installed on the right side of the water supply valve (2), the flow switch (4) is installed on the right side of the booster water pump (3), and the pressure transmitter (5) is installed on the right side of the flow switch (4). The right end of the fire main line (1) is connected to the water inlet end of the pressure-type foam proportioning device (8), and the water inlet end of the pressure-type foam proportioning device (8) is installed with a proportioning mixer (801). The water outlet end of the pressure-type foam proportioning device (8) is installed with a water monitor water outlet device (9). A drainage component is connected to the fire main line (1) behind the water supply valve (2).
2. The dry type automatic pressurized foam water monitor according to claim 1, characterized in that: A frequency converter (6) is provided on the motor power line of the booster water pump (3), and the other end of the frequency converter (6) is connected to a water monitor control box (7).
3. The dry type automatic pressurized foam water monitor according to claim 2, characterized in that: The flow switch (4) and the pressure transmitter (5) are both connected to the water monitor control box (7) via power lines.
4. The dry type automatic pressurized foam water monitor according to claim 3, characterized in that: The outer surface of the ground fire main pipe (1) in front of the booster water pump (3) is wrapped with a thermal insulation layer.
5. The dry type automatic pressurized foam water monitor according to claim 4, characterized in that: The fire main pipeline (1) is laid underground, a valve well (10) is arranged underground, and the water supply valve (2) is located in the valve well (10).
6. The dry type automatic pressurized foam water monitor according to claim 5, characterized in that: The drainage assembly comprises a drainage pipe (11), a manual valve (12), a diaphragm pump (13) and a sewage collection tank (14). The drainage pipe (11) is arranged to penetrate an underground position of a fire main pipeline (1) behind a water supply valve (2). The drainage pipe (11) is provided with a manual valve (12). The manual valve (12) and the drainage pipe (11) are connected to a diaphragm pump (13). The drainage end of the diaphragm pump (13) is connected to the sewage collection tank (14).
7. The dry type automatic pressurized foam water monitor according to claim 6, characterized in that: The drainage pipe (11) is located on the ground and is inclined at a lower level toward one end of the sewage collection tank (14), and the outer surface of the drainage pipe (11) located on the ground is wrapped with a heat-insulating layer.