CN115055069B

CN115055069B - Mixing arrangement is used in foam extinguishing agent production

Info

Publication number: CN115055069B
Application number: CN202210977981.XA
Authority: CN
Inventors: 潘德顺; 潘煜; 王钧奇; 刘海泉; 马静; 崔莉
Original assignee: Jiangsu Suolong Fire Science And Technology Co ltd
Current assignee: Jiangsu Suolong Fire Science And Technology Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-11-18
Anticipated expiration: 2042-08-16
Also published as: CN115055069A

Abstract

The invention relates to the technical field of fire fighting equipment, and discloses a mixing device for producing a foam extinguishing agent, which comprises a liquid storage hose, wherein a liquid receiving chamber is fixedly installed at one end of the liquid outlet hose, the liquid outlet hose is communicated with the inner cavity of the liquid receiving chamber, the top of the liquid receiving chamber is fixedly provided with the liquid receiving chamber, the liquid receiving chamber is filled with water film-forming solution, the shell is filled with water, the liquid level of the water corresponds to the liquid receiving chamber, and the liquid level of the water film-forming solution in the initial state of the liquid receiving chamber is kept flush with the axis of a mixing pipe. Make and hold the liquid chamber and carry out the in-process of come-up under the drive of holding the liquid chamber, the liquid level height that holds the inside water film-forming solution of liquid chamber is higher than the axis of hybrid tube, under the effect of linker principle, water film-forming solution passes through connector II, the inside that one-way valve and pipeline entered into the hybrid tube to make water film-forming solution and water intermix, thereby realize the synthetic effect of foam extinguishing agent, this kind of synthetic mode is more simple high-efficient and synthetic process is comparatively stable, the device's practicality has been improved.

Description

Mixing arrangement is used in foam extinguishing agent production

Technical Field

The invention relates to the technical field of fire fighting equipment, in particular to a mixing device for producing a foam extinguishing agent.

Background

The mixing device is a very common fire fighting device, the function of the mixing device is to fully mix water and water film forming solution to form liquid containing a large amount of foam, and spray fire extinguishing is carried out through the fire fighting device, the basic structure of the mixing device is composed of a cylinder body, an inner bag, a valve body and a mixing pipeline, in the using process, water flows enter the inside of the cylinder body through the pipeline under the action of the valve body in the mixing pipeline and extrude the inner bag positioned in the cylinder body, and the water film forming solution in the inner bag is extruded and enters the mixing pipe through the pipeline, so that the mixing between the water and the water film forming solution is realized, and the mixing device with the structure has the advantages of reliable effect, convenience in use, low maintenance cost and the like.

Although current mixing arrangement has foretell advantage, still have certain limitation in actual use, because the inside water pressure intensity requirement of cylinder body is higher, thereby realize the extrusion to the inner bag, this leads to the valve body to the hindrance effect of rivers higher, make rivers reduce at the rear velocity of flow and flow behind the valve body, lead to the intensity that the solution after mixing sprays behind entering into fire-fighting equipment to weaken, thereby lead to the problem that the fire extinguishing effect reduces, to this, this application file provides a mixing arrangement is used in foam extinguishing agent production, aim at solving above-mentioned problem that proposes.

Disclosure of Invention

Aiming at the defects of the existing mixing device for producing the foam extinguishing agent in the background technology in the using process, the invention provides the mixing device for producing the foam extinguishing agent, which has the advantage of lower requirement on water pressure in a cylinder body and solves the problems in the background technology.

The invention provides the following technical scheme: the utility model provides a mixing arrangement is used in foam extinguishing agent production, includes the bottom plate, fixed mounting has the mounting bracket on the bottom plate top is close to the position in the middle of, the top fixed mounting of mounting bracket has floating installation, fixed mounting has the fixed block on the position that the bottom plate top is located mounting bracket one side, one side fixed mounting of fixed block has the water pump, the bottom plate top is close to fixed mounting in positive position has the support, the fixed mixing arrangement that has cup jointed in top of support, the mixing arrangement is connected with the output of water pump.

Preferably, the floating installation includes the shell, the bottom fixed mounting of shell inner chamber has a pipe storage sleeve, fixed mounting has a liquid outlet hose on the position that the shell bottom is located the center, the one end fixed mounting who goes out the liquid hose has a liquid chamber, it is linked together with the inner chamber that holds the liquid chamber to go out the liquid hose, the top fixed mounting who holds the liquid chamber has the floating chamber, the top and the bottom of shell surface fixed mounting respectively have connector I and connector II.

Preferably, the connection port I and the connection port II are both connected with the mixing device through pipelines, the liquid bearing chamber is filled with water to form a film solution, the shell is filled with water, and the liquid level of the water corresponds to the floating chamber.

Preferably, the diameter of the liquid-bearing chamber is smaller than that of the shell, and the floating chamber drives the liquid-bearing chamber to float under the action of water inside the shell.

Preferably, mixing arrangement includes the hybrid tube, the one end of hybrid tube is connected with the output of mounting bracket, the fixed surface of hybrid tube installs the choke valve, fixed mounting has the connecting pipe of intaking on the position that the hybrid tube surface is located choke valve one side, the connecting pipe of intaking is linked together with the inner chamber of hybrid tube, the connecting pipe of intaking is connected with connector I through the pipeline, fixed mounting has the feeding connecting pipe on the position that the hybrid tube surface is located the choke valve opposite side, the feeding connecting pipe is linked together with the inner chamber of hybrid tube, the fixed surface of feeding connecting pipe installs the one-way valve, the one end of feeding connecting pipe is through pipeline and II fixed connection of connector.

Preferably, one end of the mixing pipe, which is close to the water pump, is connected with a water supply device, and the other end of the mixing pipe is connected with a fire fighting device.

Preferably, the liquid level of the aqueous film forming solution in the liquid receiving chamber in the initial state is kept flush with the axis of the mixing pipe.

The invention has the following beneficial effects:

1. according to the invention, the water pump is fixedly arranged on one side of the fixing block, the water pump can drive water flow in water supply equipment to enter the mixing device in the operation process, the throttling valve is fixedly arranged on the outer surface of the mixing pipe, water in the mixing pipe is hindered by the throttling valve in the flowing process, the pressure of the water flow in the mixing pipe on the pipe wall is increased, the water inlet connecting pipe is connected with the connecting port I through the pipeline, at the moment, the water enters the shell through the water inlet connecting pipe, the connecting port I and the pipeline, the liquid level of the shell is raised, the buoyancy force borne by the floating chamber is increased and drives the liquid bearing chamber to float upwards, the liquid bearing chamber keeps the liquid level of the water film forming solution in the initial state to be flush with the axis of the mixing pipe, the liquid bearing chamber floats upwards under the driving of the floating chamber, the liquid bearing level of the water film forming solution in the shell is higher than the axis of the mixing pipe, under the effect of the communicating device principle, the water film forming solution enters the mixing pipe through the single-forming solution through the connecting port II, the single-way valve and the pipeline, so that the water film forming solution and the water film forming solution are mixed with each other, the water, the synthesis effect of the foam extinguishing agent is realized, the synthesis method is simpler and more stable and more efficient, and the practicability of the synthesis device is improved.

2. The buoyancy force applied to the floating chamber is increased to drive the liquid receiving chamber to float upwards, the liquid receiving chamber moves under the action of the buoyancy force, the internal pressure of the shell is only the static pressure of liquid, the traditional mixing device adopts the liquid pressure to extrude the inner bag and extrudes the water film forming solution in the inner bag into the pipeline for mixing, so that the inner wall of the container needs to bear larger pressure and needs a steel structure cylinder body with higher strength, the manufacturing and using cost of the cylinder body is higher, the pressure of the liquid applied to the shell in the equipment related to the application document is lower, and the equipment can be manufactured by adopting materials with lower price, so that the using cost of the device is reduced.

3. According to the invention, the diameter of the liquid bearing chamber is smaller than that of the shell, the floating chamber drives the liquid bearing chamber to float under the action of water in the shell, the traditional equipment has to pressurize the water to a higher level in order to ensure that enough pressure is generated on an inner bag in the cylinder body, so that the pressure-bearing strength of the whole equipment is higher, a higher manufacturing process is required, the manufacturing cost is increased, in order to better press the water into the pressure-bearing cylinder body, the blocking effect of the throttling valve on the water flow needs to be improved, so that enough pressure can be generated in the cylinder body, the flow speed of the water flow is reduced after passing through the throttling valve, and the final water yield at a fire-fighting end is reduced.

4. According to the invention, the throttling valve is fixedly arranged on the outer surface of the mixing pipe, the blocking effect of the throttling valve on the water flow in the mixing pipe can be changed by adjusting the throttling valve under the condition that the water flow strength is not changed, when the mixing proportion needs to be improved, the throttling valve is screwed into the mixing pipe, so that the blocking of the water flow is improved, more water enters the shell through the water inlet connecting pipe and the connecting port I, the floating chamber floats upwards in an accelerated manner, more water film forming solution enters the mixing pipe, and in the same way, when the mixing proportion needs to be reduced, the reverse operation is carried out, and the convenience of adjustment of the device is improved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of a floating device according to the present invention;

FIG. 3 is a front view of a structural floatation device of the present invention;

FIG. 4 is a schematic cross-sectional view taken along the direction A in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of a structural mixing device of the present invention;

FIG. 6 is a schematic right-view of a structural mixing device in accordance with the present invention;

FIG. 7 is a front schematic view of a structural mixing device of the present invention;

FIG. 8 is a schematic cross-sectional view taken along the direction B in FIG. 7 according to the present invention.

In the figure: 1. a base plate; 2. a mounting frame; 3. a floating device; 31. a housing; 32. a storage sleeve; 33. a liquid outlet hose; 34. a liquid-bearing chamber; 35. a float chamber; 36. a connecting port I; 37. a connector II; 4. a fixed block; 5. a water pump; 6. a support; 7. a mixing device; 71. a mixing tube; 72. a throttle valve; 73. a water inlet connecting pipe; 74. a feeding connecting pipe; 75. a one-way valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1, a mixing device for foam extinguishing agent production, including a bottom plate 1, a mounting bracket 2 is fixedly mounted at a position near the middle of the top of the bottom plate 1, a floating device 3 is fixedly mounted at the top of the mounting bracket 2, a fixing block 4 is fixedly mounted at a position near one side of the mounting bracket 2 at the top of the bottom plate 1, a water pump 5 is fixedly mounted at one side of the fixing block 4, the water pump 5 can drive water in water supply equipment (generally, water supply equipment with certain hydraulic pressure such as fire pipelines and water supply pipelines, or water storage facilities such as water reservoirs, water towers and lakes) to enter the inside of the mixing device 7 in the operation process, a support 6 is fixedly mounted at a position near the front of the top of the bottom plate 1, a mixing device 7 is fixedly sleeved at the top of the support 6, and the mixing device 7 is connected with an output end of the water pump 5.

Referring to fig. 2 to 4, the floating device 3 includes a housing 31, a storage tube sleeve 32 is fixedly mounted at the bottom of an inner cavity of the housing 31, a liquid outlet hose 33 is fixedly mounted at a central position at the bottom of the housing 31, a liquid receiving chamber 34 is fixedly mounted at one end of the liquid outlet hose 33, the liquid outlet hose 33 is communicated with the inner cavity of the liquid receiving chamber 34, a floating chamber 35 is fixedly mounted at the top of the liquid receiving chamber 34, and a connection port i 36 and a connection port ii 37 are fixedly mounted at the top and the bottom of the outer surface of the housing 31, respectively.

Referring to fig. 1-4, the connection port i 36 and the connection port ii 37 are connected to the mixing device 7 through pipes, the liquid-receiving chamber 34 is filled with the film-forming solution, the housing 31 contains water, and the surface of the water corresponds to the floating chamber 35.

Referring to fig. 2-4, the diameter of the liquid-receiving chamber 34 is smaller than that of the housing 31, and the floating chamber 35 drives the liquid-receiving chamber 34 to float under the action of water inside the housing 31.

Referring to fig. 1-8, the mixing device 7 includes a mixing pipe 71, one end of the mixing pipe 71 is connected to the output end of the mounting frame 2, a throttle valve 72 is fixedly installed on the outer surface of the mixing pipe 71, water in the mixing pipe 71 is hindered by the throttle valve 72 during the flowing process, so that the pressure of water flow in the mixing pipe 71 on the pipe wall is increased, the conventional device must pressurize water to a higher level in order to ensure that enough pressure is generated on an inner bag in the cylinder, which has a higher requirement on the pressure-bearing strength of the whole device, a higher manufacturing process is required, the manufacturing cost is increased, and in order to better press water into the pressure-bearing cylinder, the sufficient pressure is generated in the cylinder by increasing the hindering effect of the throttle valve on the water flow, which also causes the flow rate of the water to be reduced after passing through the throttle valve, which leads to the problem of the water yield at the fire-fighting end to be reduced, the equipment related to the application document well avoids the problem, only the throttling valve 72 needs to generate a certain blocking effect on water flow, and the water flow can be ensured to enter the shell 31 through the water inlet connecting pipe 73 and the connecting port I36, so that the water flow can still keep higher flow speed and flow after passing through the throttling valve 72, the fire fighting equipment can be ensured to better operate, the reliability of the device is further improved, under the condition that the strength of the water flow is not changed, the blocking effect on the water flow in the mixing pipe 71 can be changed by adjusting the throttling valve 72, when the mixing proportion needs to be improved, the throttling valve 72 is screwed into the mixing pipe 71, so that the blocking on the water flow is improved, more water enters the inside of the shell 31 through the water inlet connecting pipe 73 and the connecting port I36, the bearing 34 upwards floats in an accelerating manner, and more water film-forming solution enters the inside of the mixing pipe 71, similarly, when the mixing proportion needs to be reduced, reverse operation is enough, the convenience of adjustment of the device is improved, a water inlet connecting pipe 73 is fixedly installed on the position, located on one side of the throttling valve 72, of the outer surface of the mixing pipe 71, the water inlet connecting pipe 73 is communicated with the inner cavity of the mixing pipe 71, the water inlet connecting pipe 73 is connected with the connector I36 through a pipeline, at the moment, water enters the inner part of the shell 31 through the water inlet connecting pipe 73, the connector I36 and the pipeline, the liquid level of the shell 31 is increased, buoyancy force received by the floating chamber 35 is increased and drives the liquid receiving chamber 34 to float upwards, a feeding connecting pipe 74 is fixedly installed on the position, located on the other side of the throttling valve 72, of the outer surface of the mixing pipe 71, the feeding connecting pipe 74 is communicated with the inner cavity of the mixing pipe 71, a single-way valve 75 is fixedly installed on the outer surface of the feeding connecting pipe 74, and one end of the feeding connecting pipe 74 is fixedly connected with the connector II 37 through a pipeline.

Referring to fig. 1 and 5-8, one end of the mixing pipe 71 near the water pump 5 is connected to a water supply device, and the other end of the mixing pipe 71 is connected to a fire fighting device (typically a hydrant, a fire sprinkler, or the like, which is typically connected to the mixing pipe 71 by a pipe).

Referring to fig. 2 to 8, the liquid level of the aqueous filming solution in the initial state of the liquid-receiving chamber 34 is maintained to be level with the axis of the mixing pipe 71, so that in the process of floating the liquid-receiving chamber 34 under the driving of the floating chamber 35, the liquid level of the aqueous filming solution inside the liquid-receiving chamber 34 is higher than the axis of the mixing pipe 71, and under the effect of the communicating vessel principle, the aqueous filming solution enters the inside of the mixing pipe 71 through the connecting port ii 37, the one-way valve 75 and the pipeline, so that the aqueous filming solution and the water are mixed with each other, thereby realizing the synthesis effect of the foam extinguishing agent.

The using method of the invention is as follows:

in the using process, the water pump 5 drives the water flow in the water supply equipment to enter the interior of the mixing device 7 in the running process, the water in the mixing pipe 71 is hindered by the throttle valve 72 in the flowing process, so that the pressure of the water flow in the mixing pipe 71 to the pipe wall is increased, the water enters the interior of the shell 31 through the water inlet connecting pipe 73, the connecting port I36 and the pipeline, the liquid level of the shell 31 is raised, the buoyancy force borne by the floating chamber 35 is increased and drives the liquid bearing chamber 34 to float upwards, in the process that the liquid bearing chamber 34 floats upwards under the driving of the floating chamber 35, the liquid level of the water film forming solution in the liquid bearing chamber 34 is higher than the axis of the mixing pipe 71, and under the effect of the communicating vessel principle, the water film forming solution enters the interior of the mixing pipe 71 through the connecting port II 37, the one-way valve 75 and the pipeline, so that the water film forming solution and the water are mixed with each other, the liquid-receiving chamber 34 moves under the action of buoyancy, the internal pressure of the shell 31 is only the static pressure of liquid, the traditional mixing device adopts the liquid pressure to extrude the inner bag and extrude the water film-forming solution in the inner bag into the pipeline for mixing, so that the inner wall of the container needs to bear larger pressure, a steel structure cylinder with higher strength is needed, the manufacturing and using cost of the cylinder is higher, the shell 31 in the device related to the application document is lower in liquid pressure, so that the device can be manufactured by adopting a plurality of cheap materials, the blocking effect of the throttling valve 72 on the water flow in the mixing pipe 71 is changed by adjusting the throttling valve 72, when the mixing ratio needs to be improved, the blocking effect on the water flow is improved, and more water enters the shell 31 through the water inlet connecting pipe 73 and the connecting port I36, the liquid-holding chamber 34 is accelerated to float upward, and more aqueous film-forming solution enters the interior of the mixing pipe 71, and similarly, when the mixing ratio needs to be reduced, the operation is reversed.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mixing arrangement is used in foam extinguishing agent production, includes bottom plate (1), its characterized in that: the utility model discloses a mixing device for the sewage treatment plant, including bottom plate (1), mounting bracket (2), floating device (3), bottom plate (1), mixing device (7), water pump (5), floating device (3), mixing device (33), mixing chamber (34), mixing chamber (71), mixing pipe (71), mixing device (7), mixing device (71) and mixing pipe (71), wherein the top of bottom plate (1) is close to on the middle position fixed mounting have mounting bracket (2), the top of bottom plate (1) is located the position of mounting bracket (2) one side fixed mounting has fixed block (4), one side fixed mounting of fixed block (4) has water pump (5), bottom fixed mounting of bottom plate (1) inner chamber has deposit tub sleeve (32), fixed mounting has liquid outlet hose (33) on the position that shell (31) bottom is located the center, the one end fixed mounting of liquid outlet hose (33) has liquid receiving chamber (34), liquid outlet hose (33) is linked together with the inner chamber of liquid receiving chamber (34), the top fixed mounting bracket (34) has floating chamber (35), the top and the bottom of shell (31) surface respectively has fixed mounting bracket I (36) and mixing device (7) and mixing pipe (71) are connected, the mixing pipe (71), a throttle valve (72) is fixedly arranged on the outer surface of the mixing pipe (71), a water inlet connecting pipe (73) is fixedly arranged at the position of the outer surface of the mixing pipe (71) at one side of the throttle valve (72), the water inlet connecting pipe (73) is communicated with the inner cavity of the mixing pipe (71), the water inlet connecting pipe (73) is connected with the connecting port I (36) through a pipeline, a feeding connecting pipe (74) is fixedly arranged on the outer surface of the mixing pipe (71) at the other side of the throttle valve (72), the feeding connecting pipe (74) is communicated with the inner cavity of the mixing pipe (71), the outer surface of the feeding connecting pipe (74) is fixedly provided with a one-way valve (75), one end of the feeding connecting pipe (74) is fixedly connected with the connecting port II (37) through a pipeline, the connecting port I (36) and the connecting port II (37) are both connected with the mixing device (7) through pipelines, the liquid-bearing chamber (34) is filled with water film-forming solution, the shell (31) is filled with water, the liquid level of the water corresponds to the floating chamber (35), the diameter of the liquid bearing chamber (34) is smaller than that of the shell (31), and the liquid bearing chamber drives the liquid bearing chamber to float under the action of water in the shell, one end of the mixing pipe (71) close to the water pump (5) is connected with a water supply device, and the other end of the mixing pipe (71) is connected with a fire fighting device.

2. The mixing device for producing a fire foam according to claim 1, wherein: the liquid surface of the aqueous film forming solution in the initial state of the liquid receiving chamber (34) is kept flush with the axis of the mixing pipe (71).