CN209422810U - Lotion foam-generating device for fire extinguishing - Google Patents
Lotion foam-generating device for fire extinguishing Download PDFInfo
- Publication number
- CN209422810U CN209422810U CN201920075199.2U CN201920075199U CN209422810U CN 209422810 U CN209422810 U CN 209422810U CN 201920075199 U CN201920075199 U CN 201920075199U CN 209422810 U CN209422810 U CN 209422810U
- Authority
- CN
- China
- Prior art keywords
- foam
- cylinder
- hollow circuit
- lotion
- circuit cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000006210 lotion Substances 0.000 title claims abstract description 34
- 239000006260 foam Substances 0.000 claims abstract description 73
- 238000007789 sealing Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000005187 foaming Methods 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 7
- 239000003245 coal Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000013028 medium composition Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Abstract
The utility model discloses a kind of lotion foam-generating device for fire extinguishing, Venturi tube is arranged in foaming shell, and the upper end of foaming shell opens up water inlet, and the side of foaming shell opens up expanding foam solution entrance;The mixing vessel includes cylinder and sealing plate, and the side wall of cylinder opens up high pressure powder entrance;Multiple steel wire lumps are equipped in hollow circuit cylinder bar;The closure end of hollow circuit cylinder bar protrudes into cylinder interior across through-hole and hollow circuit cylinder bar is fixedly connected with sealing plate, and the open end of hollow circuit cylinder bar is connected to by connecting shaft pipe with the outlet end of Venturi tube;Multiple expanding foam solution outlets are opened up on hollow circuit cylinder bar in cylinder;The upper end of the conical hopper is fixedly connected with the lower end of cylinder, and the lower end of conical hopper opens up lotion foam outlet, is equipped with multiple blades in conical hopper, multiple blades are staggered in the vertical direction.The utility model can continuously generate a large amount of lotion foam, and the lotion foam brokenly bubble rate generated is low, and even bubble effect is good.
Description
Technical field
The utility model relates to a kind of foam-generating device, specifically a kind of lotion foam for fire extinguishing generates dress
It sets.
Background technique
The generation process of coal-mine fire is the active group adsorption of oxygen molecule in the coal body of underground, and chemical reaction occurs in turn
Heat is released, causes coal temperature to increase until reaching burning point, then will appear high-temperature coal lithofraction gap.It is obtained based on what is analyzed above
Out, the key for preventing and treating fire is prevention and control high-temperature coal lithofraction gap.Lotion foam is a kind of novel and effective prevention and control high temperature coal petrography
The material in crack.It is directly to carry out contact cooling, the heat of foam with high-temperature coal lithofraction gap wall surface in fire extinguishing procedure in view of it
Stability is key index, and whether thermostabilization is mainly uniformly influenced by foam.Lotion foam viscosity is big, it is equal to be difficult to mixed bubble
It is even, so the structure and function of its generation device just determines the form and characteristic of foam, at present about foam-generating device
There are some scholars to carry out research, if Patent No. CN201120076096.1 proposes a kind of fire extinguishing foam preparation facilities,
It is a kind of net formula foam maker, although this foam maker is able to achieve the control to high temperature crack, its structure is complicated and foam is steady
Qualitative difference;Patent No. CN201320647761.7 proposes a kind of fire extinguishing foam producer, can produce bubbling efficiency
High and high stability foamed material, but brokenly bubble rate is still higher.
Summary of the invention
In view of the above-mentioned problems of the prior art, the utility model provides a kind of lotion foam generation for fire extinguishing
Device can continuously generate a large amount of lotion foam, and the lotion foam brokenly bubble rate generated is low, and even bubble effect is good.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of lotion foam for fire extinguishing
Generation device, including foam device, hollow circuit cylinder bar, mixing vessel and conical hopper,
The foam device includes foaming shell and Venturi tube, and Venturi tube is arranged in foaming shell, foaming shell
Upper end open up water inlet, the side of foaming shell opens up expanding foam solution entrance, and water inlet and expanding foam solution entrance are and venturi
The input end of pipe is connected to;
The mixing vessel includes cylinder and sealing plate, and sealing plate is fixed on cylinder upper end, and sealing plate center opens up through-hole,
The side wall of cylinder opens up high pressure powder entrance;
The open at one end of the hollow circuit cylinder bar, the other end block, and multiple steel wire lumps are equipped in hollow circuit cylinder bar;Hollow circle
The closure end of mast protrudes into cylinder interior across through-hole and hollow circuit cylinder bar is fixedly connected with sealing plate, the opening of hollow circuit cylinder bar
End is connected to by connecting shaft pipe with the outlet end of Venturi tube;Multiple expanding foam solutions are opened up on hollow circuit cylinder bar in cylinder to go out
Mouthful;
The upper end of the conical hopper is fixedly connected with the lower end of cylinder, and the lower end of conical hopper opens up lotion foam and goes out
Mouthful, multiple blades are equipped in conical hopper, multiple blades are staggered in the vertical direction.
Further, the blade is K-type blade (i.e. blade shape is capitalization English letter K).
Further, the blade tilted set, and the minimum angle between blade and horizontal plane is 40 ° to 60 °.
Further, at the water inlet, lotion foam outlet and hollow circuit cylinder bar on the same line.
Further, the expanding foam solution outlet is eight, wherein four are in same level and are at a distance from sealing plate
The 1/4 of hollow circuit cylinder pole length in cylinder;Four additional is in same level and at a distance from sealing plate in circle
The 3/4 of hollow circuit cylinder pole length in cylinder.
The slurry bubble system of existing solid, liquid, gas three-phase medium composition, forming process are mainly divided into two kinds, a kind of general
Foaming agent is added in slurries, carries out physical agitation or chemistry produces gas foaming;Another kind is first to generate water base foam, then will
It is mixed with slurries, and the mixing of slurries and water base foam is realized by flow-disturbing.But both modes produce and steep low, brokenly bubble rate height,
Main cause be all be in slurries particle in whirlpool flow field with bubble film fierceness collide realize particle adherency.With existing skill
Art is compared, and the utility model is contacted using with pressure dust with water base foam, and the intensity of collision is relatively weak, and mixed mode is main
Embodiment is that powder spreads in the flow field of foam rain, migrates, adheres to, similar to the technique using foam dust suppression.It is mixed for the first time
Afterwards, the powder for exporting along hollow circuit cylinder bar to expanding foam solution and entering from high pressure powder entrance into hollow circuit cylinder bar, mixed liquor I
It is mixed in cylinder, is sufficiently mixed powder particles flow field with foam rain, so that the brokenly bubble rate of foam be effectively reduced;In circle
The mixed liquor II formed in cylinder, then have not enough time to be mixed will do it secondary mixing in tapered funnel, finally make to mix
It closes liquid II and forms lotion foam, to greatly improve the mixability and even bubble degree of expanding foam solution, water and powder, significantly
Improve the mixing quality of lotion foam.In addition, this apparatus structure is simple, and it is easy to use, it can be relatively uniform with continuous production
Lotion foam.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of blade in the utility model.
In figure: 1, water inlet, 2, expanding foam solution entrance, 3, Venturi tube, 4, connecting shaft pipe, 5, sealing plate, 6, hollow circuit cylinder bar,
7, expanding foam solution exports, 8, cylinder, 9, high pressure powder entrance, 10, steel wire lump, 11, conical hopper, 12, blade, 13, lotion foam
Outlet.
Specific embodiment
The utility model will be described further below.
As shown in Figure 1, carrying out patent description, a kind of lotion foam generation for fire extinguishing by top of the top of Fig. 1
Device, including foam device, hollow circuit cylinder bar 6, mixing vessel and conical hopper 11,
The foam device includes foaming shell and Venturi tube 3, and Venturi tube 3 is arranged in foaming shell, and foam shell
The upper end of body opens up water inlet 1, and the side of foaming shell opens up expanding foam solution entrance 2, and water inlet 1 and expanding foam solution entrance 2 with
The input end of Venturi tube 3 is connected to;
The mixing vessel includes cylinder 8 and sealing plate 5, and sealing plate 5 is fixed on 8 upper end of cylinder, and 5 center of sealing plate opens up
Through-hole, the side wall of cylinder 8 open up high pressure powder entrance 9;
The open at one end of the hollow circuit cylinder bar 6, the other end block, and multiple steel wire lumps 10 are equipped in hollow circuit cylinder bar 6;In
The closure end of hollow round column bar 6 protrudes into 8 inside of cylinder across through-hole and hollow circuit cylinder bar 6 is fixedly connected with sealing plate 5, hollow circuit cylinder
The open end of bar 6 is connected to by connecting shaft pipe 4 with the outlet end of Venturi tube 3;It is opened up on the hollow circuit cylinder bar 6 in cylinder 8
Multiple expanding foam solution outlets 7;
The upper end of the conical hopper 11 is fixedly connected with the lower end of cylinder 8, and the lower end of conical hopper 11 opens up lotion bubble
Foam outlet 13, conical hopper 11 is interior to be equipped with multiple blades 12, and multiple blades 12 are staggered in the vertical direction.
Further, the blade 12 is K-type blade (i.e. blade shape is capitalization English letter K).
Further, the blade 12 is obliquely installed, and the minimum angle between blade 12 and horizontal plane is 40 ° to 60 °.Especially
Its minimum angle between blade 12 and horizontal plane not only can guarantee that mixed liquor II is abundant mixed in conical hopper when being 45 °
The time is closed, and can guarantee its continuity being discharged from lotion foam outlet 13.
Further, at the water inlet 1, lotion foam outlet 13 and hollow circuit cylinder bar 6 on the same line.This structure
The trapping phenomena that lotion foam can be reduced in cylinder 8 and tapered funnel 11 is set, blocking is reduced.
Further, the expanding foam solution outlet 7 is eight, wherein four are in same level and at a distance from sealing plate 5
It is 1/4 of 6 length of hollow circuit cylinder bar in cylinder 8;At four additional same level and at a distance from sealing plate 5 for place
In 3/4 of 6 length of hollow circuit cylinder bar in cylinder 8.
The specific work process of the utility model are as follows: by water and expanding foam solution respectively from water inlet 1 and expanding foam solution entrance 2 simultaneously
It injects in foam device, after water and expanding foam solution are mixed in Venturi tube 3, forms mixed liquor I;Mixed liquor I is made by gravity
With entering in hollow circuit cylinder bar 6, due to the buffer function of steel wire lump 10, make the reduction of I flow velocity of mixed liquor, increases water and expanding foam solution
It is sufficiently mixed the time, then mixed liquor I is discharged into cylinder 8 from expanding foam solution outlet 7, passes through high pressure using high pressure draught at this time
Powder entrance 9 injects previously prepared powder (i.e. using the powder of known proportion and method preparation), previously prepared powder into cylinder 8
Material and mixed liquor I are mixed in cylinder 8 by perturbation action of the high pressure draught in cylinder 8, are fallen into after forming mixed liquor II
In conical hopper 11;Buffer function of the mixed liquor II in conical hopper 11 by blade 12 makes the reduction of II flow velocity of mixed liquor, increases
Add previously prepared powder and mixed liquor I is sufficiently mixed the time, so that mixed liquor II is formed lotion foam and goes out from lotion foam
Mouth 13 is discharged.The mixability and even bubble degree of expanding foam solution, water and powder are greatly improved by multiple immixture, significantly
Ground improves the mixing quality of lotion foam.
Claims (5)
1. a kind of lotion foam-generating device for fire extinguishing, which is characterized in that including foam device, hollow circuit cylinder bar (6),
Mixing vessel and conical hopper (11),
The foam device includes foaming shell and Venturi tube (3), and Venturi tube (3) is arranged in foaming shell, and foam shell
The upper end of body opens up water inlet (1), and the side of foaming shell opens up expanding foam solution entrance (2), and water inlet (1) and expanding foam solution entrance
(2) it is connected to the input end of Venturi tube (3);
The mixing vessel includes cylinder (8) and sealing plate (5), and sealing plate (5) is fixed on cylinder (8) upper end, in sealing plate (5)
The heart opens up through-hole, and the side wall of cylinder (8) opens up high pressure powder entrance (9);
The open at one end of the hollow circuit cylinder bar (6), the other end block, and are equipped with multiple steel wire lumps (10) in hollow circuit cylinder bar (6);
The closure end of hollow circuit cylinder bar (6) protrudes into internal cylinder (8) across through-hole and hollow circuit cylinder bar (6) and sealing plate (5) are fixed and connected
It connects, the open end of hollow circuit cylinder bar (6) is connected to by connecting shaft pipe (4) with the outlet end of Venturi tube (3);In cylinder (8)
Hollow circuit cylinder bar (6) on open up multiple expanding foam solutions outlet (7);
The upper end of the conical hopper (11) is fixedly connected with the lower end of cylinder (8), and the lower end of conical hopper (11) opens up lotion
Foam outlet (13), conical hopper (11) is interior to be equipped with multiple blades (12), and multiple blades (12) are staggered in the vertical direction.
2. a kind of lotion foam-generating device for fire extinguishing according to claim 1, which is characterized in that the blade
It (12) is K-type blade.
3. a kind of lotion foam-generating device for fire extinguishing according to claim 1, which is characterized in that the blade
(12) it is obliquely installed, and the minimum angle between blade (12) and horizontal plane is 40 ° to 60 °.
4. a kind of lotion foam-generating device for fire extinguishing according to claim 1, which is characterized in that it is described enter water
At mouth (1), lotion foam outlet (13) and hollow circuit cylinder bar (6) on the same line.
5. a kind of lotion foam-generating device for fire extinguishing according to claim 1, which is characterized in that the foaming
It is eight that liquid, which exports (7), wherein four are in same level and are hollow in cylinder (8) at a distance from sealing plate (5)
The 1/4 of cylindrical bar (6) length;Four additional is in same level and at a distance from sealing plate (5) in the cylinder (8)
The 3/4 of hollow round column bar (6) length.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920075199.2U CN209422810U (en) | 2019-01-17 | 2019-01-17 | Lotion foam-generating device for fire extinguishing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920075199.2U CN209422810U (en) | 2019-01-17 | 2019-01-17 | Lotion foam-generating device for fire extinguishing |
Publications (1)
Publication Number | Publication Date |
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CN209422810U true CN209422810U (en) | 2019-09-24 |
Family
ID=67976648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920075199.2U Expired - Fee Related CN209422810U (en) | 2019-01-17 | 2019-01-17 | Lotion foam-generating device for fire extinguishing |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109550172A (en) * | 2019-01-17 | 2019-04-02 | 湖南科技大学 | A kind of lotion foam-generating device and its working method for fire extinguishing |
-
2019
- 2019-01-17 CN CN201920075199.2U patent/CN209422810U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109550172A (en) * | 2019-01-17 | 2019-04-02 | 湖南科技大学 | A kind of lotion foam-generating device and its working method for fire extinguishing |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190924 |
|
CF01 | Termination of patent right due to non-payment of annual fee |