CN203886063U - Dynamic-balanced pressure type proportioning mixer - Google Patents
Dynamic-balanced pressure type proportioning mixer Download PDFInfo
- Publication number
- CN203886063U CN203886063U CN201420291440.2U CN201420291440U CN203886063U CN 203886063 U CN203886063 U CN 203886063U CN 201420291440 U CN201420291440 U CN 201420291440U CN 203886063 U CN203886063 U CN 203886063U
- Authority
- CN
- China
- Prior art keywords
- proportioner
- pressure
- dynamic equilibrium
- diaphragm
- piston
- 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.)
- Expired - Lifetime
Links
- 239000006260 foam Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to a dynamic-balanced pressure type proportioning mixer. The proportioning mixer comprises a proportioning mixer body, a top cover, a cylinder body, a hole plate and a component, wherein a proportioning mixer nozzle is in threaded connection to the proportioning mixer body in a soft sealing manner through an O-shaped ring; the top cover is in threaded connection to the proportioning mixer body in a sealing manner through a bolt; the cylinder body is fixed on the proportioning mixer body through a connecting hole; the hole plate is in threaded connection to the proportioning mixer body in the soft sealing manner through the O-shaped ring; and a pressure regulating chamber is arranged in the proportioning mixer, and the component can maintain the dynamic balance between the pressures of a foam liquid and fire fighting water. According to the dynamic-balanced pressure type proportioning mixer, the balance can be automatically realized by only guaranteeing that the pressure of the foam liquid is constantly higher than that of the fire fighting water, and the pressure of the foam liquid does not need to be limited to be higher than a specific value of the pressure of the fire fighting water; and the stable mixing ratio can be guaranteed within very large pressure and flow ranges, and the proportioning mixer can meet the standard requirement.
Description
Technical field
The utility model relates to a kind of fire-fighting blender, particularly a kind of dynamic equilibrium pressure proportioner.
Background technology
At present, known equalizing pressure formula proportioner is made up of equalizing pressure control valve and the large parts of proportioner two, equalizing pressure control valve is placed in proportioner foam solution porch, in order to monitor fire water pressure with foam pipeline pressure and to keep water pressure identical with foam solution pressure, ensure by the liquid flowing ratio example of orifice plate.Equalizing pressure control valve surge-chamber is divided into upper and lower two chambeies with valve block, and surge-chamber epicoele is connected with mixer entrance with aqueduct, and surge-chamber cavity of resorption is connected with the foam solution on blender orifice plate top.Foam solution pressure is greater than fire water pressure, and foam solution pressure is not more than fire water pressure and adds 0.2MPa, i.e. P
water< P
foam< P
water+ 0.2 MPa.Because equalizing pressure control valve and the proportioner of equalizing pressure formula proportioner are taked split type device, certainly will make its volume large, complex structure, and P
foam< P
waterthe limitation of+0.2 MPa, makes it regulate the scope of pressure to be restricted, and has been subject to strict restriction with regard to the scope of application that makes equalizing pressure formula proportioner.Known equalizing pressure formula proportioner, due to design feature, it must could be used by right angle setting, engineering application has been limited to installation requirement, need to meet the space that equipment uses, seriously hindered popularization and the development of equalizing pressure formula proportioner at fire-fighting domain.
Utility model content
For solving the problems of the technologies described above, the utility model discloses a kind of new technical scheme.
The utility model provides a kind of dynamic equilibrium pressure proportioner, this dynamic equilibrium pressure proportioner comprises: proportioner body, proportioner nozzle is screwed onto on described proportioner body by the soft seal of O type circle, is respectively arranged with blender fire water entrance and foam solution entrance on the side of described proportioner body; Top cover, this top cover is spirally connected and is sealed on described proportioner body by bolt; Cylinder body, this cylinder body is fixed on described proportioner body by connecting hole; Orifice plate, this orifice plate is screwed onto on described proportioner body by the soft seal of O type circle; Described dynamic equilibrium pressure proportioner is built-in with surge-chamber, and described dynamic equilibrium pressure proportioner also comprises a member that can make foam solution pressure and fire water pressure maintain dynamic equilibrium.
Preferably, described surge-chamber is made up of proportioner body, cylinder body and top cover.
Preferably, described dynamic equilibrium pressure proportioner also comprises diaphragm, and the two ends of this diaphragm are bolted on described proportioner body, and described surge-chamber is separated into epicoele and cavity of resorption by this diaphragm.
Preferably, the material of described diaphragm is rubber.
Preferably, the described member that maintains dynamic equilibrium comprises piston, cylinder body, diaphragm pressing plate, diaphragm, pressure axle and surge-chamber, described cylinder body is screwed onto on described proportioner body by the soft seal of O type circle, described piston is arranged in described cylinder body and with respect to described cylinder body and can be moved up and down by bolt seal, described pressure axle is screwed onto the interior center screw of described piston, described diaphragm pressing plate is divided into top board and lower platen, and described top board and described lower platen are fixed on described diaphragm on described piston.
Preferably, described piston is provided with piston inner via hole, and described pressure axle is provided with pressure axle inner via hole.
Preferably, described epicoele communicates with the foam solution of described orifice plate by described piston, described pressure axle, and described cavity of resorption is communicated with the fire water of described blender fire water entrance by connecting pipe.
Preferably, described orifice plate has up-hole plate and orifice plate, on described up-hole plate and described orifice plate, has respectively hole, and the hole of orifice plate is large described in the boring ratio of described up-hole plate.
Preferably, described orifice plate below is provided with cannelure.
Preferably, on described piston, be provided with two perforates.
Compared with prior art
,dynamic equilibrium pressure proportioner of the present utility model, as long as while ensureing that foam solution pressure perseverance is greater than the pressure of fire water, above-mentioned balance can form automatically, needn't limit foam hydraulic coupling higher than the occurrence of fire water pressure, in engineering test and practice, balance type proportioning mixer of the present utility model all can ensure in sizable pressure and range of flow that mixing ratio is stable, and meets code requirement.
Brief description of the drawings
Fig. 1 is the assembly structure schematic diagram of dynamic equilibrium pressure proportioner of the present utility model;
Fig. 2 is the dynamic equilibrium schematic diagram of dynamic equilibrium pressure proportioner of the present utility model.
In Fig. 1～2, the 1st, proportioner body, the 2nd, proportioner nozzle, the 3rd, orifice plate, the 4th, piston, the 5th, cylinder body, the 6th, diaphragm pressing plate, the 7th, diaphragm, the 8th, top cover, the 9th, pressure axle, the 10th, bolt, the 11st, plain washer, the 12nd, elastic washer, the 13rd, surge-chamber, the 14th, perforate, the 15th, up-hole plate, the 16th, orifice plate, the 17th, cannelure, a is blender fire water entrance, b is foam solution entrance, c is surge-chamber cavity of resorption fire water entrance, d is surge-chamber epicoele foam solution entrance, e is opening, k is top board, g is lower platen, f is blender foam solution entrance, O is epicoele, P is cavity of resorption, Q1 is piston inner via hole, Q2 is pressure axle inner via hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, and appended accompanying drawing is as illustrative purposes, is not used for limiting to the utility model.
As shown in Figure 1, for being the assembly structure schematic diagram of dynamic equilibrium pressure proportioner of the present utility model, dynamic equilibrium pressure proportioner of the present utility model comprises proportioner body 1, proportioner nozzle 2, orifice plate 3, top cover 8, proportioner nozzle 2 is all screwed onto on described proportioner body 1 by the soft seal of O type circle (not shown) with orifice plate 3, top cover 8 is spirally connected and is sealed on proportioner body 1 by bolt 10, on the side of proportioner body 1, be respectively arranged with blender fire water entrance a and foam solution entrance b, this dynamic equilibrium pressure proportioner is built-in with surge-chamber 13, this surge-chamber 13 is by proportioner body 1, cylinder body 5 and top cover 8 form.Proportioner body 1 inside also comprises a member that can make foam solution pressure and fire water pressure maintain dynamic equilibrium, the member that maintains dynamic equilibrium comprises piston 4, cylinder body 5, diaphragm pressing plate 6, diaphragm 7, pressure axle 9 and surge-chamber 13, cylinder body 5 is screwed onto on proportioner body 1 by bolt soft seal, piston 4 is arranged in cylinder body 5 by bolt seal, pressure axle 9 is screwed onto the interior center screw of piston 4, and diaphragm 7 is fixed on proportioner body 1 by bolt 10.The two ends of diaphragm 7 are fixed on proportioner body 1 by bolt 10, surge-chamber 13 is separated into epicoele O and cavity of resorption P by this diaphragm 7, epicoele O communicates with the foam solution on orifice plate 3 tops by piston 4, pressure axle 9, and cavity of resorption P is communicated with the fire water of proportioner entrance by connecting pipe.Diaphragm pressing plate 6 is divided into top board k and lower platen g, and top board k and lower platen g are fixed on diaphragm 7 on piston 4
,the material of diaphragm 7 is easily deformable rubber, thereby diaphragm 7 just can be out of shape and reach a kind of balance according to epicoele O and cavity of resorption P and pressure size like this.
Proportioner body 1 side is provided with the blender fire water entrance a of synchronizeing with the pressure of fire water pressure, and piston 4 is provided with piston inner via hole Q1, and pressure axle 9 is provided with pressure axle inner via hole Q2.Orifice plate 3 has up-hole plate 15 and orifice plate 16, on up-hole plate 15 and orifice plate 16, there is respectively hole, the hole of the boring ratio orifice plate 16 of up-hole plate 15 is large, like this can play a cushioning effect, and the foam inlet of up-hole plate 15 can be controlled by the foam stream output of orifice plate 16.The below of orifice plate 3 is provided with cannelure 17, equally also can have the effect of a buffering foam solution inlet.On piston, be provided with two perforates 14, perforate 14 can make the Bas Discharged between piston 4 and cylinder body 5, thereby reduces the damping of piston 4, thereby can make piston 4 move more flexibly.
As shown in Figure 2, in the time will reaching poised state, fire water is with certain pressure, flow is in the time that blender fire water entrance a flows into blender, partial pressure water enters cavity of resorption P by tube connector by surge-chamber cavity of resorption fire water entrance c, promote diaphragm 7, diaphragm pressing plate 6, piston 4 moves upward, between piston 4 and orifice plate 3, form opening e, provide certain pressure by foam pump, the foam solution of flow is from foam solution entrance b, through opening e, flow into orifice plate 3 tops, most of foam solution flows into blender by blender foam solution entrance f, the fire water flowing into blender fire water entrance a mixes by a certain percentage, a small amount of foam flows into epicoele O through surge-chamber epicoele foam solution entrance d.In the time that fire water pressure raises, cavity of resorption P pressure increases, the bottom-up motion of piston 4, opening e increases, the also corresponding rising of surge-chamber epicoele foam solution entrance d place pressure, in the time that the epicoele O pressure being flowed into by surge-chamber epicoele foam solution entrance d is elevated to certain value, epicoele O pressure is greater than cavity of resorption P pressure, piston moves downward, opening e reduces, in the time that upper and lower cavity pressure equates, diaphragm 7 and piston 4 are in poised state, proportioner has proper mixture ratio, in the time of fire water or foam pressure change, repeat above-mentioned motion, all the time maintain diaphragm upper and lower cavity isostasy, maintain a kind of dynamic equilibrium.
Described balance type proportioning mixer, as long as while ensureing that foam solution pressure perseverance is greater than the pressure of fire water, above-mentioned balance can form automatically, needn't limit foam hydraulic coupling higher than the occurrence of fire water pressure.Piston 4 can freely move up and down, and surge-chamber upper and lower cavity pressure equate time in any poised state, needn't limit the aperture of opening e.Surge-chamber upper and lower cavity pressure equates, ensures the variation of mixer entrance pressure, does not affect the stable of proportioner mixing ratio.
In engineering test and practice, balance type proportioning mixer of the present invention all can ensure in sizable pressure and range of flow that mixing ratio is stable, and meets code requirement.
The dynamic equilibrium pressure proportioner of this programme is not limited to the disclosed content of embodiment, the technical scheme occurring in embodiment can individualism, also can mutually comprise, the simple alternative that those skilled in the art make in conjunction with common practise according to this programme also belongs to the scope of this programme.
Claims (10)
1. a dynamic equilibrium pressure proportioner, comprise: proportioner body, proportioner nozzle is screwed onto on described proportioner body by the soft seal of O type circle, is respectively arranged with blender fire water entrance and foam solution entrance on the side of described proportioner body; Top cover, this top cover is spirally connected and is sealed on described proportioner body by bolt; Cylinder body, this cylinder body is fixed on described proportioner body by connecting hole; Orifice plate, this orifice plate is screwed onto on described proportioner body by the soft seal of O type circle; It is characterized in that, described dynamic equilibrium pressure proportioner is built-in with surge-chamber, and described dynamic equilibrium pressure proportioner also comprises a member that can make foam solution pressure and fire water pressure maintain dynamic equilibrium.
2.
dynamic equilibrium pressure proportioner according to claim 1, is characterized in that, described surge-chamber is made up of proportioner body, cylinder body and top cover.
3.
dynamic equilibrium pressure proportioner according to claim 1, it is characterized in that, this dynamic equilibrium pressure proportioner also comprises diaphragm, and the two ends of this diaphragm are bolted on described proportioner body, and described surge-chamber is separated into epicoele and cavity of resorption by this diaphragm.
4. dynamic equilibrium pressure proportioner according to claim 3, is characterized in that, the material of described diaphragm is rubber.
5.
dynamic equilibrium pressure proportioner according to claim 1, it is characterized in that, the described member that maintains dynamic equilibrium comprises piston, cylinder body, diaphragm pressing plate, diaphragm, pressure axle and surge-chamber, described cylinder body is screwed onto on described proportioner body by the soft seal of O type circle, described piston is arranged in described cylinder body and with respect to described cylinder body and can be moved up and down by bolt seal, described pressure axle is screwed onto the interior center screw of described piston, described diaphragm pressing plate is divided into top board and lower platen, described top board and described lower platen are fixed on described diaphragm on described piston.
6. dynamic equilibrium pressure proportioner according to claim 5, is characterized in that, described piston is provided with piston inner via hole, and described pressure axle is provided with pressure axle inner via hole.
7. dynamic equilibrium pressure proportioner according to claim 5, it is characterized in that, described epicoele communicates with the foam solution of described proportioner orifice plate by described piston, described pressure axle, and described cavity of resorption is communicated with the fire water of described blender fire water entrance by connecting pipe.
8. dynamic equilibrium pressure proportioner according to claim 7, is characterized in that, described orifice plate has up-hole plate and orifice plate, on described up-hole plate and described orifice plate, has respectively hole, and the hole of orifice plate is large described in the boring ratio of described up-hole plate.
9. dynamic equilibrium pressure proportioner according to claim 7, is characterized in that, described orifice plate below is provided with cannelure.
10. dynamic equilibrium pressure proportioner according to claim 5, is characterized in that, is provided with two perforates on described piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420291440.2U CN203886063U (en) | 2014-06-04 | 2014-06-04 | Dynamic-balanced pressure type proportioning mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420291440.2U CN203886063U (en) | 2014-06-04 | 2014-06-04 | Dynamic-balanced pressure type proportioning mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203886063U true CN203886063U (en) | 2014-10-22 |
Family
ID=51712518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420291440.2U Expired - Lifetime CN203886063U (en) | 2014-06-04 | 2014-06-04 | Dynamic-balanced pressure type proportioning mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203886063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111450451A (en) * | 2020-05-19 | 2020-07-28 | 新乡市金升消防科技有限公司 | Integrated proportional mixer |
-
2014
- 2014-06-04 CN CN201420291440.2U patent/CN203886063U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111450451A (en) * | 2020-05-19 | 2020-07-28 | 新乡市金升消防科技有限公司 | Integrated proportional mixer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203209222U (en) | Self-adjusting double-faced nozzle for any flow | |
| CN102747996B (en) | Carbon dioxide foam injecting device of oil well | |
| AU2014339585B2 (en) | Curing foam fluid generation device for preventing and extinguishing fire in coal mine | |
| CN203886063U (en) | Dynamic-balanced pressure type proportioning mixer | |
| CN105179769A (en) | Differential pressure plunger automatic pressure regulating valve | |
| CN201475437U (en) | Constant-current non-return valve | |
| CN104043217A (en) | Dynamic balance pressure proportioning mixer | |
| MX2019010279A (en) | Liquid dispensing module. | |
| MX2020005769A (en) | Material wetting system with shroud assembly. | |
| CN205013784U (en) | Pressure differential plunger automatic pressure regulator | |
| CN203886062U (en) | Secondary-balance multi-point-output foam fire extinguishing system | |
| CN202961579U (en) | Automatic foam proportioner | |
| CN204677811U (en) | Two component liquid rapid mixing valve | |
| CN101554514B (en) | Differential pressure balanced type proportion mixing device | |
| CN204679476U (en) | High artesian roof water inrush analog simulation system is adopted in deep | |
| CN203737213U (en) | Gas generator device for junior high school chemical teaching | |
| CN203879477U (en) | Large-drift-diameter fracturing distributing manifold | |
| CN214305469U (en) | Balance valve for fire-fighting system | |
| CN202545926U (en) | Pressure-regulating valve | |
| CN201857290U (en) | Gas-liquid mixing device | |
| CN204062163U (en) | A kind of novel regulating flow quantity valve | |
| CN216171471U (en) | Generating device for continuously preparing micro-bubble water | |
| CN203250426U (en) | Over-surface injection fire-fighting demonstration apparatus for floating-roof oil tank | |
| CN205235223U (en) | Automatic balanced foam installation | |
| CN2654200Y (en) | Tank bag type pressure ratio mixing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |