CN210078683U

CN210078683U - Anti-freezing device for fire-fighting water system

Info

Publication number: CN210078683U
Application number: CN201920522452.4U
Authority: CN
Inventors: 金娣; 张鑫
Original assignee: Shandong Single Soldier Environmental Protection Technology Co Ltd
Current assignee: Shandong Single Soldier Environmental Protection Technology Co Ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-02-18
Anticipated expiration: 2029-04-17

Abstract

The utility model belongs to the technical field of the fire control auxiliary assembly and specifically relates to an freeze-proof device for fire water system is related to. This freeze-proof device includes: workbin, water pump, filter screen and switch. The application provides an freeze-proof device for fire water system has adopted workbin and water pump, disappears under the effort of water pump during the use and prevents that the intraductal water of dry-off flows into the fire control main pipe through the outlet pipe again through dissolving antifreeze in the workbin, and the purpose of the abundant homogeneous mixing antifreeze of water in reaching the pipe network through the hydrologic cycle flow, and then prevents frostbite. The embodiment of the application adopts the liquid concentration sensor and the control module, and the operation or the stop of the water pump is controlled by detecting the concentration value of the anti-freezing agent in the water pumping pipe and comparing the concentration value with a preset value, so that the power consumption increase caused by the continuous operation of the water pump is avoided. The embodiment of the application adopts the residue detection assembly and the acousto-optic alarm module in the material box, and sends out an alarm signal when the residue of the antifreezing agent in the material box is insufficient, so that the operation of the whole antifreezing device is prevented from being influenced by the insufficient antifreezing agent.

Description

Anti-freezing device for fire-fighting water system

Technical Field

The application relates to the field of fire-fighting auxiliary equipment, in particular to an anti-freezing device for a fire-fighting water system.

Background

Fire protection water systems are still the most effective, simple and convenient fire protection facilities currently and for some time in the future. But the fire water antifreezing of the northern unheated buildings is always an engineering difficulty. Due to the importance of fire-fighting water, a common fire-fighting water system is full of water, once frozen, fire disasters can not provide fire-fighting water for a fire scene, so that the fire is out of control and greater danger is caused; meanwhile, the water in the fire water system is frozen, so that the fire pipeline and equipment are damaged.

The antifreezing method in the water eliminating and preventing system in the prior art comprises the following steps: 1. laying a heat-insulating layer on the fire pipeline: the method is only suitable for the heat preservation of flowing liquid or the freezing point environment in a very short time, and the heat preservation layer can not meet the anti-freezing requirement for the subzero low temperature in the north for a long time. 2. Electric tracing heat preservation: in a pipeline system, electric heating is adopted to provide a heat source, but for a large system similar to an automatic water spraying system, the laying amount of heat tracing lines is large, precise components such as spray heads cannot be protected, a large amount of electric energy is consumed in the using process, and the cost is greatly increased.

Therefore, there is a need for a convenient and practical anti-freeze device for fire-fighting water systems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an freeze-proof device for fire water system to solve the aforementioned problem that exists among the prior art.

In order to solve the technical problem, the utility model discloses a following technical scheme:

an antifreeze apparatus for a fire-fighting water system, comprising: the bin is internally provided with a cavity, and the cavity is used for containing an antifreezing agent; a liquid inlet and a liquid outlet are arranged on the side surface of the feed box, the liquid inlet and the liquid outlet are oppositely arranged and are communicated with the cavity, and the liquid inlet is communicated with the fire-fighting trunk pipe through a water pumping pipe; a water inlet of the water pump is communicated with a liquid outlet of the material box through a water outlet pipe, and a water outlet of the water pump is communicated with the fire-fighting main pipe through another water outlet pipe; filter screens are arranged on the inner walls of the material box at the liquid inlet and the liquid outlet respectively to prevent undissolved antifreeze from entering the water pumping pipe or the water outlet pipe; and the switch is electrically connected with the input end of the control module and is used for controlling the operation or stop of the anti-freezing device.

Furthermore, a water pumping valve is arranged on the water pumping pipe, an injection valve is arranged on the water outlet pipe, and the water pumping valve and the injection valve are one-way electromagnetic valves or manual valves.

The water pump is characterized by further comprising a spray head, wherein the spray head is arranged at one end, far away from the water pump, of the water outlet pipe; the spray head is a necking spray head.

Furthermore, a liquid concentration sensor is arranged on the water pumping pipe and used for detecting the concentration value of the anti-freezing liquid in the water pumping pipe; the output end of the liquid concentration sensor is electrically connected with the input end of the control module, and the output end of the control module is respectively electrically connected with the water pumping valve, the injection valve and the water pump; when the liquid concentration sensor detects that the concentration value is lower than a preset concentration value, a corresponding electric signal is sent to the control module, and the control module controls the water pump to operate; when the liquid concentration sensor detects that the concentration value is not lower than the preset concentration value, a corresponding electric signal is sent to the control module, and the control module controls the water pump to stop.

Furthermore, a visual window is arranged on the material box to observe the allowance of the antifreezing agent in real time.

Further, the position department is preset to the inner wall of workbin is provided with surplus detection assembly, surplus detection assembly with the control module electricity is connected, including signal generator and signal receiver, signal generator with signal receiver sets up the relative both ends on same horizontal plane, signal generator is used for sending detected signal, signal receiver is used for receiving and comes from signal generator's detected signal to judge when receiving the signal the surplus of antifreeze is less than the default, to control module sends corresponding signal of telecommunication.

Further, the signal generator is one of a laser generator, an infrared generator or an ultrasonic generator.

Further, still include two protection tubes, the vertical setting of protection tube is in the inner wall department of workbin, signal generator with signal receiver sets up respectively in the correspondence in the protection tube.

Furthermore, the protection tube is made of transparent materials.

And the control module is electrically connected with the control module, and controls the sound-light alarm module to alarm when receiving the electric signal sent by the signal receiver.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

1. the embodiment of the application adopts workbin and water pump, and during the use, the water in the dry-proof pipe disappears under the effort of water pump and dissolves the antifreeze in the workbin and flow into the fire control main pipe through the outlet pipe again, and the purpose of water intensive homogeneous mixing antifreeze in reaching the pipe network through water circulation flow, and then prevents frostbite

2. The embodiment of the application adopts the liquid concentration sensor and the control module, and the operation or the stop of the water pump is controlled by detecting the concentration value of the anti-freezing agent in the water pumping pipe and comparing the concentration value with a preset value, so that the power consumption increase caused by the continuous operation of the water pump is avoided.

3. The embodiment of the application adopts the residue detection assembly and the acousto-optic alarm module in the material box, and sends out an alarm signal when the residue of the antifreezing agent in the material box is insufficient, so that the operation of the whole antifreezing device is prevented from being influenced by the insufficient antifreezing agent.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present application for use in a fire protection system antifreeze apparatus;

FIG. 2 is an enlarged view of a portion C of FIG. 1;

FIG. 3 is a flow chart of the control of the antifreeze system in the embodiment of the present application;

FIG. 4 is a schematic view of a hopper according to a first embodiment of the present application;

FIG. 5 is a schematic view of a bin configuration according to a second embodiment of the present application;

figure 6 is a cross-sectional view of a bin of a second embodiment of the present application.

Description of the reference numerals

1-fire-fighting main pipe, 2-water pumping valve;

3-a material box, 31-a charging cover, 32-a liquid outlet, 33-a charging port, 34-a protection pipe, 35-a signal generator, 36-a signal receiver, 37-a manual air release valve, 38-a filter screen and 39-a visual window;

4-liquid concentration sensor, 5-water pipe, 51-water pumping pipe, 52-water outlet pipe, 6-water pump, 7-injection valve, 8-switch, 9-control module, 10-residual detection component, 11-acousto-optic alarm module and 12-spray head.

Detailed Description

In order that the above objects, features and advantages of the present application can be more clearly understood, a more particular description of the present application will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

Fig. 1-6 show a schematic structural diagram of an anti-freezing device for a fire-fighting water system according to the present invention. For convenience of description, the terms "upper", "lower", "left" and "right" are used in the same way as the drawings, but do not limit the structure of the present invention.

Example one

As shown in fig. 1 to 4, the antifreeze apparatus for a fire fighting water system proposed by the present application comprises a tank 3, a water pump 6 and a switch 8.

The inside of the material box 3 is hollow, a cavity is formed inside the material box, and the cavity is used for containing an antifreezing agent. The antifreezing agent is fire water antifreezing powder used in the market, such as the Weihai antifreezing powder KDDI-91 series, does not contain toxic and harmful substances, has stable chemical properties, does not corrode pipelines, and can ensure that water in an environment below zero is not frozen. The material box 3 adopts a PE box, is acid-resistant and alkali-resistant, is not easy to age, is nontoxic and tasteless, and has long service life.

A liquid inlet (not shown in the figure) and a liquid outlet 32 are respectively arranged at the left side and the right side of the opposite material box 3, the liquid inlet and the liquid outlet are oppositely arranged and are arranged at the material level height when the antifreezing agent is fully filled; the inlet port communicates with a first end of a suction pipe 51 through a pipe joint, and the outlet port 32 communicates with a first end of an outlet pipe 52 through a pipe joint. The second end of the pumping pipe 51 is communicated with the fire main 1, so that the liquid in the fire main 1 can enter the material box 3 through the pumping pipe 51 to be mixed with the antifreeze. The inner wall of the material box 3 is provided with the filter screens 38 at the liquid outlet 32 and the liquid inlet, and the filter screens 38 with corresponding meshes can be selected according to the particle size of the antifreeze used by the antifreeze device, so that the phenomenon that the operation of the whole device is influenced by the blockage caused by the fact that undissolved antifreeze particles enter the water pumping pipe 51 or the water outlet pipe 52 is prevented. A visual window 39 is arranged on the front side of the material box 3, and the visual window 39 is made of transparent materials, so that the using condition and the allowance of the anti-freezing agent in the material box 3 can be observed in real time; the top of workbin 3 is provided with feed inlet 33 with the inside cavity intercommunication of workbin 3, and feed inlet 33 department threaded connection has charging cap 31, and is optional, can use "o" type sealing washer to seal between charging cap 31 and the feed inlet 33, observes during the use can supply antifreeze through feed inlet 33 when antifreeze is not enough. A manual air release valve 37 is arranged on the material box 3, and after the system is filled with water, air in the anti-freezing device is released, so that the device is filled with water; when charging, the water pumping valve 2 or the injection valve 7 is closed, and then the manual exhaust valve 37 is opened to discharge the pressure of the charging box to the normal pressure, so that the charging port 33 can be normally opened and cannot be locked or overflowed.

The water pump 6, its water inlet communicates with the second end of outlet pipe 52, and the delivery port communicates with fire control main pipe 1 through another section outlet pipe 52, and the liquid suction in the fire control main pipe 1 mixes with antifreeze through workbin 3 when the water pump 6 starts, and the liquid through mixing can get back to fire control main pipe 1 and then get into whole fire water system through outlet pipe 52 to make antifreeze full of whole fire water system. The end part of the water outlet pipe 52 communicated with the fire main pipe 1 is provided with a spray head 12, the spray head 12 is a necking spray head 12, and liquid jet flow in the anti-freezing device can suck surrounding liquid and drive the surrounding liquid to move forwards, so that the circulation speed of the anti-freezing agent in a fire water system is accelerated.

The water pumping pipe 51 is provided with a water pumping valve 2, the water outlet pipe 52 is provided with an injection valve 7, and the water pumping valve 2 and the injection valve 7 are both one-way solenoid valves or manual valves, so that the fire water system and the anti-freezing device can be conveniently blocked during maintenance of the anti-freezing device during feeding.

The water pumping pipe 51 is provided with a liquid concentration sensor 4 for detecting the concentration value of the antifreeze in the water pumping pipe 51; the output end of the liquid concentration sensor 4 is electrically connected with the input end of a control module 9, and the output end of the control module 9 is electrically connected with the water pumping valve 2, the water pump 6 and the injection valve 7; when the concentration value of the antifreeze detected by the liquid concentration sensor 4 is lower than the preset concentration value, a corresponding electric signal is sent to the control module 9, and the control module 9 controls the water pump 6 to operate; when the liquid concentration sensor 4 detects that the concentration value is not lower than the preset concentration value, a corresponding electric signal is sent to the control module 9, the control module 9 controls the water pump 6 to stop, the phenomenon that the water pump 6 operates consistently to increase power consumption is avoided, and meanwhile liquid backflow when the water pump 6 stops operating can be prevented from influencing the using effect of the anti-freezing device.

And the switch 8 is electrically connected with the input end of the control module 9 and is used for controlling the operation or the emergency stop of the whole anti-freezing device.

Example two

As shown in fig. 5 and 6, the structure of the bin 3 is improved in the embodiment of the present application. As shown in fig. 6, two protection tubes 34 are fixedly arranged on the inner walls of the front side and the rear side of the material box 3, and the two protection tubes 34 are vertically arranged on the inner wall of the material box 3. The lowest value of the preset allowance in the protection pipe 34 is provided with the allowance detection assembly 10 which comprises a signal generator 35 and a signal receiver 36, the signal generator 35 and the signal receiver 36 are oppositely arranged in the front side and the rear side of the material box 3, and the protection pipe 34 is made of transparent materials and does not influence the work of the signal generator 35 and the signal receiver 36. The signal generator 35 is one of a laser generator, an infrared generator or an ultrasonic generator and is used for emitting a detection signal, the signal receiver 36 is used for receiving the detection signal from the signal generator 35, the signal generator 35 and the signal receiver 36 are electrically connected with the control module 9, and when the signal receiver 36 receives the detection signal from the signal generator 35, a corresponding electrical signal is emitted to the control module 9. The top of the material box 3 is also provided with an audible and visual alarm module 11, when the control module 9 receives an electric signal sent by the signal receiver 36, the audible and visual alarm module 11 is controlled to give an alarm, and an operator can know that the residual amount of the antifreeze in the material box 3 is insufficient in time and supplement the antifreeze through the feed opening 33 in time.

In the above embodiment, the work bin 3 has a rectangular parallelepiped structure as an example, but the present invention is not limited to this, and the work bin 3 may have a cylindrical structure.

In the embodiment of the present application, the electrical components are electrically connected in sequence, and the detailed connection means is a known technique in the art, and the following mainly introduces the working principle and process, and does not describe the electrical control.

The following are the types and functions adopted by the electrical component in the present case:

the liquid concentration sensor 4 is a YC-series liquid concentration sensor of Yichang science and technology Limited, Qingdao, directly mounted on a process pipeline or a tank body container, continuously measures parameters of liquid concentration, density and temperature soluble substance content, and remotely transmits the parameters through a secondary instrument or a transmitter to realize continuous monitoring on line, thereby becoming an important component of automatic control.

The switch 8 is a self-locking switch of R16-503AD series produced by Shuiteng electronics, Inc. in Leqing; when the switch button is pressed for the first time, the switch is switched on and kept, namely, self-locking is realized, and when the switch button is pressed for the second time, the switch is switched off, and meanwhile, the switch button is popped out.

The control module 9 can adopt 51 series single-chip microcomputers. The single chip computer (Microcontrollers) is an integrated circuit chip, and is a small and perfect microcomputer system formed by integrating the functions of a central processing unit CPU with data processing capacity, a random access memory RAM, a read only memory ROM, various I/O ports, an interrupt system, a timer/counter and the like (which can also comprise a display driving circuit, a pulse width modulation circuit, an analog multiplexer, an A/D converter and the like) on a silicon chip by adopting a super-large scale integrated circuit technology, and is widely applied to the field of industrial control.

The working principle of one embodiment of the application is as follows: the anti-freezing device is pre-installed in a fire-fighting water system by constructors; an operator opens the switch 8, opens the water pumping valve 2 and the injection valve 7, the liquid concentration sensor 4 detects the concentration of the antifreeze in the water pumping pipe 51, and the control module 9 controls the water pump 6 to be started when the liquid concentration sensor 4 detects that the concentration value of the antifreeze is lower than a preset concentration value; the liquid in the fire-fighting main pipe 1 reaches the feed box 3 through the water pumping pipe 51, the antifreeze in the feed box 3 is dissolved, the dissolved antifreeze is sprayed out at a high speed in a spraying mode from the spray head 12 at the end part of the water outlet pipe 52 under the action force of the water pump 6, the liquid in the drainage system slowly flows, and the antifreeze is diffused; when the liquid concentration sensor 4 detects that the concentration value of the liquid in the water pumping pipe 51 is not lower than the preset value, the control module 9 controls the water pump 6 to stop. When the signal receiver 36 in the material box 3 receives the detection signal sent by the signal generator 35, a corresponding electric signal is sent to the control module 9, and the control module 9 controls the sound-light alarm module 11 to give an alarm; the operator closes the water pumping valve 2 and the injection valve 7 and opens the manual air relief valve 37 to open the feeding cover 31 of the material box 3, and the antifreeze is supplemented through the feeding port 33.

To sum up, the utility model provides an antifreeze apparatus for fire water system has adopted workbin and water pump, disappears under the effort of water pump during the use and prevents that the intraductal water of dry-proof flows into the fire control main through the outlet pipe through dissolving antifreeze in the workbin, reaches the purpose of the abundant homogeneous mixing antifreeze of water in the pipe network through water circulation flow, and then prevents frostbite, has reduced the filling cost of system. The embodiment of the application adopts the liquid concentration sensor and the control module, and the operation or the stop of the water pump is controlled by detecting the concentration value of the anti-freezing agent in the water pumping pipe and comparing the concentration value with a preset value, so that the power consumption increase caused by the continuous operation of the water pump is avoided. The embodiment of the application adopts the residue detection assembly and the acousto-optic alarm module in the material box, and sends out an alarm signal when the residue of the antifreezing agent in the material box is insufficient, so that the operation of the whole antifreezing device is prevented from being influenced by the insufficient antifreezing agent.

In this application, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the present application, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An anti-freeze apparatus for a fire-fighting water system, comprising:

the bin is internally provided with a cavity, and the cavity is used for containing an antifreezing agent; a liquid inlet and a liquid outlet are arranged on the side surface of the feed box, the liquid inlet and the liquid outlet are oppositely arranged and are communicated with the cavity, and the liquid inlet is communicated with the fire-fighting trunk pipe through a water pumping pipe;

a water inlet of the water pump is communicated with a liquid outlet of the material box through a water outlet pipe, and a water outlet of the water pump is communicated with the fire-fighting main pipe through another water outlet pipe;

filter screens are arranged on the inner walls of the material box at the liquid inlet and the liquid outlet respectively to prevent undissolved antifreeze from entering the water pumping pipe or the water outlet pipe;

and the switch is electrically connected with the input end of the control module and is used for controlling the operation or stop of the anti-freezing device.

2. The antifreeze apparatus for a fire water system as claimed in claim 1, wherein the suction pipe is provided with a suction valve, the outlet pipe is provided with an injection valve, and the suction valve and the injection valve are one-way solenoid valves or manual valves.

3. The antifreeze apparatus for a fire water system as set forth in claim 2, further comprising a spray head disposed at an end of said outlet pipe remote from said water pump; the spray head is a necking spray head.

4. The anti-freezing device for a fire-fighting water system as claimed in claim 3, wherein a liquid concentration sensor is disposed on the pumping pipe, the liquid concentration sensor being configured to detect a concentration value of the anti-freezing liquid in the pumping pipe; the output end of the liquid concentration sensor is electrically connected with the input end of the control module; when the liquid concentration sensor detects that the concentration value is lower than a preset concentration value, a corresponding electric signal is sent to the control module, and the control module controls the water pump to operate; when the liquid concentration sensor detects that the concentration value is not lower than the preset concentration value, a corresponding electric signal is sent to the control module, and the control module controls the water pump to stop.

5. An antifreeze apparatus for a fire water system as set forth in any one of claims 1 to 4, wherein a visual window is provided on said tank to observe the remaining amount of said antifreeze in real time.

6. The antifreeze apparatus for a fire water system as claimed in any one of claims 1 to 4, wherein a margin detection unit is provided at a predetermined position on an inner wall of the hopper, the margin detection unit is electrically connected to the control module, and comprises a signal generator and a signal receiver, the signal generator and the signal receiver are provided at opposite ends on the same horizontal plane, the signal generator is configured to transmit a detection signal, the signal receiver is configured to receive the detection signal from the signal generator, determine that the margin of the antifreeze is lower than a predetermined value when receiving the signal, and transmit a corresponding electrical signal to the control module.

7. An antifreeze apparatus for a fire service water system as set forth in claim 6, wherein said signal generator is one of a laser generator, an infrared generator or an ultrasonic generator.

8. The antifreeze apparatus for a fire water system as set forth in claim 7, further comprising two protection pipes, the protection pipes being vertically disposed at an inner wall of the hopper, the signal generator and the signal receiver being respectively disposed in the corresponding protection pipes.

9. An antifreeze apparatus for a fire-fighting water system as set forth in claim 8, wherein said protective tube is made of a transparent material.

10. The anti-freezing device for a fire-fighting water system as recited in claim 9, further comprising an audible and visual alarm module electrically connected to the control module, wherein the audible and visual alarm module is controlled to alarm when the control module receives the electrical signal from the signal receiver.