CN215351720U

CN215351720U - Novel hydraulic turbine balanced type foam proportional mixing device

Info

Publication number: CN215351720U
Application number: CN202121594208.2U
Authority: CN
Inventors: 马永跃; 孙磊; 孙红升; 徐大圣
Original assignee: Tianjin Juzhen Automation Equipment Co ltd
Current assignee: Tianjin Juzhen Automation Equipment Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-12-31
Anticipated expiration: 2031-07-13

Abstract

The utility model provides a novel water turbine balanced type foam proportion mixing device, which relates to the technical field of foam mixing and aims to solve the technical problems that initial foam mixed liquid in the prior art does not meet requirements, the water quantity is larger than the required proportion, and a water head is in front, so that oil splashing can be generated at the first time when oil fire is put out, and the fire is expanded.

Description

Novel hydraulic turbine balanced type foam proportional mixing device

Technical Field

The utility model relates to the technical field of foam mixing, in particular to a novel balanced type foam proportional mixing device of a water turbine.

Background

In the existing water turbine type foam proportional mixing device in China, a branch pipeline is mostly divided from a water inlet pipeline of the foam proportional mixing device and used for driving the water turbine, the water turbine drives a gear pump, the gear pump injects foam stock solution into a proportional mixer to be mixed with clean water, and water for driving the water turbine is directly discharged into a ditch. The other type of the adopted water turbine is directly driven by water from a water inlet pipeline of the foam proportion mixing device to further drive the gear pump, water flow is not discharged and directly passes through the proportion mixer to be mixed with foam stock solution to form clear water foam mixed solution. The first, the water amount is larger than the foam raw liquid amount in the initial stage of foam mixing, and the foam mixed liquid with the required mixing ratio cannot be formed, and the foam mixed liquid with the required mixing ratio can be formed after the working condition is stable, and the waste of the water source is caused, and the second, although the water flow directly enters the proportional mixer, the waste of the water source is avoided, the water amount is larger than the foam raw liquid amount in the initial stage of foam mixing, and the foam mixed liquid with the required mixing ratio cannot be formed. In the course of implementing the present invention, the applicant has found that the prior art has at least the following technical problems: the foam mixed liquid in the initial stage does not meet the requirement, the water amount is larger than the required proportion, and a water head is caused to be in front, so that oil splashing can be generated at the first time when oil fire is extinguished, and the fire behavior is expanded.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel water turbine balanced type foam proportion mixing device, which solves the technical problems that foam mixed liquid at the initial stage in the prior art does not meet the requirement, the water quantity is greater than the required proportion, and a water head is in front, so that oil can be splashed at the first time when oil fire is put out, and the fire is expanded. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a novel water turbine balanced type foam proportional mixing device, which comprises a foam storage tank, a mixer, a water inlet branch, a foam branch and a foam loop, wherein,

the water inlet branch and the foam branch are respectively connected with the mixer, the water inlet branch is connected with the foam branch, the foam branch is connected with the foam loop, the foam loop is located above the foam branch, and the foam storage tank is respectively connected with the foam branch and the foam loop.

Preferably, the water inlet branch comprises a first flowmeter, a pipeline type water turbine, a third pressure transmitter, a drain valve and a mixer inlet valve, wherein the first flowmeter is fixedly arranged at an inlet of the pipeline type water turbine, the drain valve is fixedly arranged at an outlet of the pipeline type water turbine, the third pressure transmitter is fixedly arranged between the outlet of the pipeline type water turbine and the drain valve, and the mixer inlet valve is fixedly arranged at a position of the mixer close to the drain valve.

Preferably, the foam branch comprises a second ball valve, a Y-shaped filter, a rotor pump, a flow regulating valve, a second flowmeter, a first pressure transmitter, a one-way valve and a flange ball valve, wherein the second ball valve is connected with the foam storage tank, the Y-shaped filter is connected with the second ball valve, the inlet end of the rotor pump is connected with the Y-shaped filter, the outlet end of the rotor pump is connected with the flow regulating valve, the rotor pump is coaxially connected with the pipeline type water turbine, the second flowmeter is connected with the flow regulating valve, the second flowmeter, the first pressure transmitter, the one-way valve and the flange ball valve are sequentially connected, and the flange ball valve is connected with the inlet end of the mixer.

Preferably, the foam loop includes second pressure transmitter, backward flow pressure regulating valve, first manual ball valve, relief valve, manual ball valve of second and first ball valve, wherein first manual ball valve is connected with the foam branch road, and the relief valve is connected with first manual ball valve, and relief valve, manual ball valve of second and first ball valve connect gradually, and first ball valve is connected with the foam storage tank, and backward flow pressure regulating valve connects the back with second pressure transmitter and connects in parallel between first manual ball valve and the manual ball valve of second.

The utility model provides a novel water turbine balanced type foam proportioning device, which is characterized in that the mixing of foam stock solution and clear water is completed through a foam storage tank, a mixer, a water inlet branch, a foam branch and a foam loop, and in the initial stage, the water quantity and the foam stock solution enter the proportioning mixer according to the proportioning requirement, so that the defects of water waste and water inlet flow dispersion of the foam proportioning mixer caused by the fact that a water head of the existing water turbine foam proportioning device is in front are overcome, and in this way, the condition that the water head is in front is avoided, the foam stock solution and water at the outlet of a pipeline type water turbine are mixed in the foam mixer and then sprayed out to extinguish fire.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a balanced foam proportioning device of a novel water turbine.

Fig. 2 is a partial enlarged view of an embodiment of the balanced foam proportioning device of the novel water turbine.

In the figure: 1. a foam storage tank; 2. a rotor pump; 3. a pipeline type water turbine; 4. a mixer; 5. a Y-type filter; 6. a flow regulating valve; 7. a second flow meter; 8. a first pressure transmitter; 9. a one-way valve; 10. a flange ball valve; 11. a first flow meter; 12. a third pressure transmitter; 13. a drain valve; 14. a mixer inlet valve; 15. a reflux pressure regulating valve; 16. a second pressure transmitter; 17. a safety valve; 18. a first manual ball valve; 19. a second manual ball valve; 20. a first ball valve; 21. a second ball valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

In describing the specific embodiment of the present invention, the view angle of fig. 1 is defined as a structural schematic diagram of a balanced foam proportioning device of a new hydraulic turbine according to the embodiment of the present invention. In the description of the embodiments of the present invention, it should be understood that the terms "vertical", "horizontal", "upper", "lower", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention will be understood by those of ordinary skill in the art through specific situations. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the embodiments of the present invention, and are not to be construed as limiting the embodiments of the present invention.

The following describes in detail a specific embodiment of the present invention with reference to the drawings. In the drawings, the same reference numerals indicate the same or corresponding features. The figures are only schematic and are not necessarily drawn to scale.

Referring to fig. 1 and 2, the utility model provides a balanced foam proportioning device for a novel water turbine, which comprises a foam storage tank 1, a mixer 4, a water inlet branch, a foam branch and a foam loop, wherein,

the water inlet branch and the foam branch are respectively connected with the mixer 4, the water inlet branch is connected with the foam branch, the foam branch is connected with the foam loop, the foam loop is positioned above the foam branch, and the foam storage tank 1 is respectively connected with the foam branch and the foam loop.

Specifically, the branch of intaking passes through the flange with the blender respectively with the foam branch road and can dismantle the connection, and the branch of intaking passes through the coupling joint with the foam branch road, and the foam return circuit is located the top of foam branch road, and the foam storage tank passes through the flange respectively with foam branch road and foam return circuit and can dismantle the connection and be connected.

As an alternative embodiment, the water inlet branch comprises a first flow meter 11, a tubular water turbine 3, a third pressure transmitter 12, a drain valve 13 and a mixer inlet valve 14, wherein the first flow meter 11 is fixed at the inlet of the tubular water turbine 3, the drain valve 13 is fixed at the outlet of the tubular water turbine 3, the third pressure transmitter 12 is fixed between the outlet of the tubular water turbine 3 and the drain valve 13, and the mixer inlet valve 14 is fixed at the position of the mixer 4 close to the drain valve 13.

Specifically, the first flowmeter is installed at the inlet of the pipeline type water turbine, the drain valve is installed at the outlet of the pipeline type water turbine, the third pressure transmitter is installed between the outlet of the pipeline type water turbine and the drain valve, and the mixer inlet valve is installed at the position, close to the drain valve, of the mixer.

As an optional implementation, the foam branch comprises a second ball valve 21, a Y-type filter 5, a rotor pump 2, a flow regulating valve 6, a second flow meter 7, a first pressure transmitter 8, a check valve 9 and a flange ball valve 10, wherein the second ball valve 21 is connected with the foam storage tank 1, the Y-type filter 5 is connected with the second ball valve 21, an inlet end of the rotor pump 2 is connected with the Y-type filter 5, an outlet end of the rotor pump 2 is connected with the flow regulating valve 6, the rotor pump 2 is coaxially connected with the pipeline type water turbine 3, the second flow meter 7 is connected with the flow regulating valve 6, the second flow meter 7, the first pressure transmitter 8, the check valve 9 and the flange ball valve 10 are sequentially connected, and the flange ball valve 10 is connected with an inlet end of the mixer 4.

Specifically, the second ball valve is installed on the foam storage tank, Y type filter and second ball valve erection joint, impeller pump entrance point and Y type filter erection joint, the impeller pump exit end and flow control valve erection joint, and the impeller pump sets up with the pipeline turbine is coaxial to through the coupling joint, second flowmeter and flow control valve erection joint, second flowmeter, first pressure transmitter, check valve and flange ball valve are erection joint in proper order, and the entrance point erection joint of flange ball valve and blender.

As an alternative embodiment, the froth loop includes a second pressure transmitter 16, a backflow pressure regulating valve 15, a first manual ball valve 18, a safety valve 17, a second manual ball valve 19 and a first ball valve 20, wherein the first manual ball valve 18 is connected to the froth branch, the safety valve 17 is connected to the first manual ball valve 18, the safety valve 17, the second manual ball valve 19 and the first ball valve 20 are connected in sequence, the first ball valve 20 is connected to the froth storage tank 1, and the backflow pressure regulating valve 15 is connected to the second pressure transmitter 16 and then connected in parallel between the first manual ball valve 18 and the second manual ball valve 19.

Specifically, first manual ball valve and foam branch road erection joint, relief valve and first manual ball valve erection joint, relief valve, the manual ball valve of second and first ball valve erection joint in proper order, and first ball valve and foam storage tank erection joint, parallelly connected erection joint is between the manual ball valve of first manual ball valve and second behind reflux pressure regulating valve and the second pressure transmitter erection joint.

Clean water under pressure enters from a water inlet, enters the pipeline type water turbine through the first flowmeter, drives the pipeline type water turbine to be discharged from the drain valve, and rotates.

The pipeline type water turbine rotates to drive the rotor pump to rotate at the same rotating speed, foam liquid enters the rotor pump through the second ball valve and the Y-shaped filter, pressure is generated through extrusion of the rotor pump, the foam liquid enters the one-way valve and the flange ball valve through the flow regulating valve and the second flow meter and is injected into the proportional mixer, and the first pressure transmitter monitors injection pressure of the foam liquid.

After the foam liquid is injected into the proportional mixer, the inlet valve of the mixer is opened, the drain valve is closed, and the clear water enters the proportional mixer to participate in the mixing of the foam liquid and flows out through the mixed liquid outlet.

The flow regulating valve regulates the opening according to the numerical value of the first flow meter, and controls the amount of the foam liquid entering the proportional mixer, so that the numerical value of the second flow meter and the first flow meter are in a range of (3-3.9): 97, real-time detection and adjustment.

The backflow pressure regulating valve controls the opening according to the pressure value of the second pressure transmitter, the foam liquid pressure injected into the proportional mixer is regulated, the real-time monitoring and regulation are carried out, the foam stock solution inlet and outlet pressure is higher than the clear water pressure, and the backflow foam liquid flows back to the foam tank through the backflow pipeline.

When the pressure exceeds the limit, the safety valve acts, and the high-pressure foam liquid flows back to the foam tank through the safety valve, the one-way valve and the like.

And (4) stopping the clean water with pressure, closing the flow regulating valve and the reflux pressure regulating valve, and closing the inlet valve of the mixer.

The used hydraulic turbine of this device adopts the pipeline turbine, utilize foam proportion mixing arrangement's the direct drive of intaking equally, the ditch of discharging into in the initial stage short time, make the pipeline turbine rotate, treat the pipeline turbine and take the rotor pump reach the operating mode requirement after, stop the ditch of discharging into of rivers, rivers get into foam proportion blender, the foam proportion blender of pipeline turbine export is injected into with the foam stoste to the rotor pump, form clear water foam mixed liquid, can directly form the clear water foam mixed liquid that carries out the ratio as required like this. This patent has solved current hydraulic turbine foam proportioning device and has used, the waterhead in the front, the problem of water resource waste, dispersed water flow. The water turbine used by the device adopts a pipeline type water turbine, is driven by the inlet water of the foam proportion mixing device, and is discharged into a ditch at the initial stage, so that the pipeline type water turbine and the rotating water turbine directly carry out proportion mixing according to proportion requirements after reaching working conditions together with a rotor pump, and foam mixed liquid meeting the requirements is formed; the trap is closed, and the supply of the foam stock solution is dynamically adjusted by a PLC, an adjusting valve and the like according to the change of the water quantity, so that the system forms dynamic balance, and the foam generator (or a foam gun) is used for foaming and covering to extinguish fire. In the device, a foam rotor pump and a pipeline type water turbine are arranged on the same metal frame platform, the two equipment shafts have the same elevation and are concentric and are connected through a coupler, water coming from the inlet of the pipeline type water turbine under the pressure of a water pump room flows out from the outlet of the pipeline type water turbine and then is drained from a drain valve, the pipeline type water turbine rotates to drive the rotor pump to work, when the flow and the pressure of foam stock solution output by the rotor pump and the flow pressure of clean water flowing through the pipeline type water turbine meet the matching requirements, an inlet valve of a mixer is opened, the drain valve is closed, and the clean water enters a proportional mixer; the condition that the flood peak is in the front has been avoided like this, and the foam stoste mixes in the foam mixer with the water of pipeline turbine export, and then the blowout gets into the foam generator, puts out a fire. The pipeline type water turbine is active, the rotor pump is driven, and as the pressure flow of the water coming from the pump room changes, the outlet of the rotor pump is additionally provided with a regulating valve, a pressure transformer, a flow meter, a return pipeline and the like, so that the flow pressure of the foam stock solution is dynamically regulated according to the change of the pressure flow of the water coming, and the mixing ratio meets the GB20031 standard requirement.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a novel hydraulic turbine balanced type foam proportional mixing device which characterized in that: comprises a foam storage tank (1), a mixer (4), a water inlet branch, a foam branch and a foam loop, wherein,

the water inlet branch circuit is connected with the foam branch circuit respectively and is connected with the mixer (4), the water inlet branch circuit is connected with the foam branch circuit through the mixer (4), the foam branch circuit is connected with the foam loop, the foam loop is located above the foam branch circuit, and the foam storage tank (1) is connected with the foam branch circuit and the foam loop respectively.

2. The balanced foam proportioning device of a novel water turbine as claimed in claim 1, wherein: the water inlet branch comprises a first flowmeter (11), a pipeline type water turbine (3), a third pressure transmitter (12), a drain valve (13) and a mixer inlet valve (14), wherein the first flowmeter (11) is fixedly arranged at an inlet of the pipeline type water turbine (3), the drain valve (13) is fixedly arranged at an outlet of the pipeline type water turbine (3), the third pressure transmitter (12) is fixedly arranged between an outlet of the pipeline type water turbine (3) and the drain valve (13), and the mixer inlet valve (14) is fixedly arranged at a position, close to the drain valve (13), of the mixer (4).

3. The balanced foam proportioning device of a novel water turbine as claimed in claim 2, wherein: the foam branch comprises a second ball valve (21), a Y-shaped filter (5), a rotor pump (2), a flow regulating valve (6), a second flow meter (7), a first pressure transmitter (8), a one-way valve (9) and a flange ball valve (10), wherein the second ball valve (21) is connected with the foam storage tank (1), the Y-shaped filter (5) is connected with the second ball valve (21), the inlet end of the rotor pump (2) is connected with the Y-shaped filter (5), the outlet end of the rotor pump (2) is connected with the flow regulating valve (6), the rotor pump (2) is coaxially connected with the pipeline type water turbine (3), the second flow meter (7) is connected with the flow regulating valve (6), the second flow meter (7), the first pressure transmitter (8), the one-way valve (9) and the flange ball valve (10) are sequentially connected, and the flange ball valve (10) is connected with the inlet end of the mixer (4).

4. The balanced foam proportioning device of a novel water turbine as claimed in claim 3, wherein: the foam loop comprises a second pressure transmitter (16), a backflow pressure regulating valve (15), a first manual ball valve (18), a safety valve (17), a second manual ball valve (19) and a first ball valve (20), wherein the first manual ball valve (18) is connected with the foam branch, the safety valve (17) is connected with the first manual ball valve (18), the safety valve (17), the second manual ball valve (19) and the first ball valve (20) are sequentially connected, the first ball valve (20) is connected with the foam storage tank (1), and the backflow pressure regulating valve (15) is connected with the second pressure transmitter (16) and then connected between the first manual ball valve (18) and the second manual ball valve (19) in parallel.