CN206454150U - A kind of balanced type foam proportioner - Google Patents
A kind of balanced type foam proportioner Download PDFInfo
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- CN206454150U CN206454150U CN201720129266.5U CN201720129266U CN206454150U CN 206454150 U CN206454150 U CN 206454150U CN 201720129266 U CN201720129266 U CN 201720129266U CN 206454150 U CN206454150 U CN 206454150U
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- foam
- foam dope
- dope
- drainage pipe
- cavity volume
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Abstract
The utility model is related to a kind of balanced type foam proportioner, including pipe joint, upper flange, lower flange, foam dope drainage pipe and baffle plate, the lower end of upper flange sets foam dope cavity volume, and the upper end of lower flange is set sets elastic diaphragm between fire water cavity volume, two cavity volumes；The foam dope drainage pipe sets through lower flange and is slidably matched with lower flange, its upper end is fixedly linked with elastic diaphragm, its port of export is communicated through elastic diaphragm with foam dope cavity volume, baffle plate is fixedly installed on foam dope and enters intraoral, the entrance point mouth of pipe of foam dope drainage pipe and the upper surface gap of baffle plate coordinate, during so that foam dope drainage pipe changing with elastic diaphragm, the distance between entrance point and baffle plate of foam dope drainage pipe produce change, and then adjust the quantity for the foam dope for entering foam dope drainage pipe, ensure that the amount of being pumped into of foam solution changes with the change of the fire water amount of being pumped into.
Description
Technical field
The utility model is related to fire-fighting equipment technical field, particularly a kind of balanced type foam proportioner.
Background technology
Proportioner is the supply source of foam mixing liquid in fire engineering, and it is pin to be pumped into balance type proportioning mixer system
The new type extinguishing system that above-mentioned requirements are produced, and balance type proportioning mixer is the core component of this system.Balanced type ratio
Its operation principle of example blender is the foam that the fire water for the certain flow pressure for being provided fire pump and foam pump are provided
Liquid, is mixed automatically in the ratio of code requirement；When the flow of fire water is increased or decreased within the specific limits, foam flow quantity
Also correspondingly increase or decrease, when the fire water pressure of certain flow changes within the specific limits, foam solution can be by one
Constant flow is mixed with.I.e. fire water changes in certain flow, pressure limit, and foam flow quantity also changes therewith, begins
The mixed proportion of fire water and foam is kept to meet code requirement eventually.
At present, known balance pressure proportioner is by balance pressure-regulating valve and the big part of proportioner two
Composition, balance pressure-regulating valve is placed in proportioner foam solution porch, to monitor fire water pressure and foam pipe pressure
Power simultaneously keeps water pressure identical with foam hydraulic coupling, it is ensured that the liquid ratio of passing ratio blender orifice plate groove.Pressure is balanced to adjust
Section valve surge-chamber with valve block be divided into above and below two chambers, surge-chamber epicoele is connected with an aqueduct with mixer entrance, under surge-chamber
Chamber is connected with the foam solution on blender orifice plate groove top.It is configured by the parameter to fire pump and foam pump, it is possible to achieve
The setting of above-mentioned parameter relation, but fluctuation inevitably occurs in fire pump in the course of the work, even if therefore to fire-fighting
The setting that pump and foam pump have been carried out, it is impossible to which the amount of being pumped into for meeting foam solution changes this work(with the change of the fire water amount of being pumped into
Can, cause the froth ratio error of foam mixing liquid larger, influence extinguishing effect.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of amount of being pumped into simple in construction, foam solution with fire pump
Enter amount change and the balanced type foam proportioner of real-time change.
In order to solve the above technical problems, the balanced type foam proportioner that the utility model is provided, including：Pipeline connects
Head, the upper flange and lower flange put to sandwiched, the lower end of the upper flange set foam dope cavity volume, the upper end of the lower flange
Fire water cavity volume is set, elastic diaphragm is set between the foam dope cavity volume and the fire water cavity volume；The fire-fighting water capacity
Chamber is communicated through shunt conduit with the front end of the pipe joint, the port of export of the foam dope cavity volume through reflux line with it is described
The rear end of pipe joint is communicated；Also include foam dope drainage pipe, the foam dope drainage pipe is set through the lower flange
Put and be slidably matched with the lower flange, the upper end of the foam dope drainage pipe is fixedly linked with the elastic diaphragm, the bubble
The port of export of foam stoste drainage pipe is communicated through the elastic diaphragm with the foam dope cavity volume, the lower end of the lower flange
Foam dope import is set, and the entrance point of the foam dope drainage pipe is arranged on foam dope import through the lower flange
It is interior；Also include the baffle plate being adapted with the entrance point orifice configuration of foam dope drainage tube, the baffle plate is fixedly installed on the bubble
In foam stoste outflow, the entrance point mouth of pipe of the foam dope drainage pipe coordinates with the upper surface gap of the baffle plate, so that
When the foam dope drainage pipe changes with the elastic diaphragm, the entrance point of foam dope drainage pipe and the baffle plate it
Between distance produce change, and then adjust enter foam dope drainage pipe foam dope quantity, it is ensured that the pump of foam solution
Enter amount with the change of the fire water amount of being pumped into change.
Further, the elastic diaphragm is nitrile rubber barrier film, and air-tightness and ageing-resistant performance are good.
Further, foam dope passage is set in the pipe joint, and the entrance point of the foam dope passage is through return duct
Road is communicated with the foam dope cavity volume, and the port of export of the foam dope passage is arranged on the axial end of the pipe joint rear end
On face, during so that front end of the fire water through pipe joint flowing to the rear end of pipe joint vertically, foam dope is through pipeline
Port of export outflow on the axial end of joint rear end is mixed with fire water, to obtain the foam mixing liquid with extinguishing effect.
Further, regulating valve, the size for controlling the reflux line caliber, regulation bubble are set in the reflux line
The inlet of foam stoste, so that foam dope obtains the foam mixing liquid of various concentrations after being mixed with fire water.
Further, the tapered lower end for being arranged on the upper flange of the foam solution cavity volume, the fire water cavity volume is in
Taper is arranged on the upper end of the lower flange, and the elastic diaphragm is arranged between upper flange and lower flange during assembling.
Further, the entrance point of the foam dope drainage pipe is set in horn-like, beneficial to the circulation of foam dope.
The technique effect of utility model：（1）Balanced type foam proportioner of the present utility model, relative to existing skill
Art, is isolated foam dope cavity volume and fire water cavity volume using diaphragm of rubber, and by diaphragm of rubber and foam dope drainage
Pipeline is fixedly linked, it is ensured that the amount of being pumped into of foam solution changes with the change of the fire water amount of being pumped into；（2）Diaphragm of rubber uses butyronitrile
Rubber, with excellent air-tightness and ageing-resistant performance；（3）The upper and lower flange that wafer type is set, the balanced type foam ratio of acquisition
Example blender mechanism is simple, compact shape；（4）The setting of regulating valve, can easily according to service condition by foam dope with disappearing
The mixed proportion of waterproof is adjusted to the different gears such as 6%, 3%, 2% or 1%.
Brief description of the drawings
The utility model is described in further detail with reference to Figure of description：
Fig. 1 is cross-sectional view of the present utility model；
Fig. 2 is structural representation of the present utility model.
In figure：Pipe joint 1, shunt conduit 2, foam dope passage 3, foam dope drainage pipe 4, reflux line 5, bubble
Foam stoste cavity volume 51, elastic diaphragm 52, fire water cavity volume 53, baffle plate 6, regulating valve 7, upper flange 8, lower flange 9, foam dope
Import 10, entrance point 11.
Embodiment
Embodiment 1 as shown in Figure 1 to Figure 2, the balanced type foam proportioner of the present embodiment, including pipe joint 1,
Upper flange 8 and lower flange 9, the upper end of lower flange 9 set the fire water cavity volume 53 of back taper, and fire water cavity volume 53 is through shunt conduit
2 are communicated with the front end of pipe joint 1, and fire water cavity volume 53 can be further separated into the fire water for flowing through pipe joint 1；Upper method
The lower end of orchid 8 sets the foam solution cavity volume 51 of taper, and upper flange 8 and the wafer type of lower flange 9 are set during assembling, are carried out using bolt
It is fixedly linked；Nitrile rubber material（Other embodiment can also be polytetrafluoroethylene (PTFE) diaphragm of rubber）Elastic diaphragm 52 be arranged on
Between upper flange 8 and lower flange 9, fire water cavity volume 53 is communicated through shunt conduit 2 with the front end of pipe joint 1 so that elastic diaphragm
The pressure of 52 lower surfaces keeps balancing with the pressure of fire water in pipe joint 1 all the time；Foam dope is set to lead in pipe joint 1
Road 3, the entrance point of the foam dope passage 3 is communicated through reflux line 5 with the foam dope cavity volume 51 in upper flange 8, the foam
The port of export of stoste passage 3 is arranged on the axial end of the rear end of pipe joint 1, so that front end of the fire water through pipe joint 1
When flowing to the rear end of pipe joint 1 vertically, foam dope is flowed out with disappearing through the port of export on the rear end axial end of pipe joint 1
Waterproof is mixed.
The axle center of lower flange 9 sets foam dope drainage pipe 4, and the foam dope drainage pipe 4 is set through lower flange 9
And be slidably matched with lower flange 9, upper end and the elastic diaphragm 52 of the foam dope drainage pipe 4 are fixedly linked, the foam dope
The port of export of drainage pipe 4 is communicated through elastic diaphragm 52 with foam dope cavity volume 51.The lower end of lower flange 9 sets foam dope
Import 10, foam dope is through foam pump（Not shown in figure）It is delivered to foam dope import 10；Foam dope drainage pipe 4 enters
Mouth end 11 is arranged in foam dope import 10 through lower flange 9；The entrance point 11 of foam dope drainage pipe 4 can be in loudspeaker
Shape is set, beneficial to the circulation of foam dope；The entrance point 11 with foam dope drainage tube 4 is fixedly installed in foam dope import 10
The baffle plate 6 that orifice configuration is adapted, and the mouth of pipe of entrance point 11 of foam dope drainage pipe 4 matches somebody with somebody with the upper surface gap of baffle plate 6
Close, when foam dope drainage pipe 4 is moved up and down in lower flange, between the entrance point 11 and baffle plate 6 of foam dope drainage tube 4
Gap change therewith.
Regulating valve 7 is set in reflux line, and the size for controlling reflux line caliber adjusts the entrance of foam dope
Scale is marked in amount, the regulation handle of regulating valve（Such as 1,3,6, represent successively the froth ratio of the mixed solution obtained for 1%,
3%、6%）, the mixed proportion of foam dope and fire water easily can be adjusted to 6%, 3% or 1% according to actual conditions, to adapt to
The need for difference fire extinguishing environment；Above-mentioned balanced type foam proportioner is applied in deck foam extinguishing device, pipe joint
1st, upper flange 8, lower flange 9 and shunt conduit 2 can select the cupro lead casting of the HPb59-1 trades mark, with good resistance to
Corrosive nature and mechanical property, it is easy to process.
Above-mentioned balanced type foam proportioner is in use, fire water pipeline（Not shown in figure）It is connected to pipe joint 1
Two ends, by fire pump（Not shown in figure）Fire water is pumped, can be through pipeline when fire-fighting current is through pipe joint 1
The shunt conduit 2 of the front end of joint 1 introduces fire water cavity volume 53；Foam dope is through foam pump（Not shown in figure）It is delivered to lower flange
The foam dope import 10 of 9 lower ends, and successively via foam dope drainage pipe 4, foam dope cavity volume 51, reflux line 5, bubble
Foam stoste passage 3 enters pipe joint 1, and foam mixing liquid is mixed to form with fire water；The parameter of fire pump and foam pump is set
Postpone and cause the difference between foam hydraulic coupling and fire water pressure to be definite value（Such as 0.1Mpa）, when in entrance pipe joint 1
Fire water pressure increase when, the hydraulic pressure of fire water cavity volume 53 connected through shunt conduit 2 equally increases, now elastic diaphragm 52
It is extruded and causes foam dope drainage pipe 4 to move up therewith, between the entrance point 11 and baffle plate of foam dope drainage pipe 4
Distance increase, foam dope into foam dope drainage pipe 4 is with increasing；Vice versa, into pipe joint 1
When fire water pressure reduces, the hydraulic pressure of the fire water cavity volume 53 connected through shunt conduit 2 equally reduces, and now elastic diaphragm 52 is answered
Bit strip moves foam dope drainage pipe 4 and moved down therewith, between the entrance point 11 and baffle plate of foam dope drainage pipe 4 away from
From reduction, the foam dope into foam dope drainage pipe 4 is with reduction so that what flow ipe joint 1 was mixed disappears
Waterproof and foam dope can be adjusted and proportional change in real time, it is ensured that the concentration of foam mixing liquid maintains higher precision.
Obviously, above-described embodiment is only intended to clearly illustrate the utility model example, and is not to this reality
With the restriction of new embodiment.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And these
Belong to obvious changes or variations that spirit of the present utility model amplifies out still in protection domain of the present utility model
Among.
Claims (6)
1. a kind of balanced type foam proportioner, it is characterised in that including：Pipe joint（1）, the upper flange put to sandwiched
（8）And lower flange（9）, the upper flange（8）Lower end set foam dope cavity volume（51）, the lower flange（9）Upper end set
Put fire water cavity volume（53）, the foam dope cavity volume（51）With the fire water cavity volume（53）Between elastic diaphragm is set
（52）；The fire water cavity volume（51）Through shunt conduit（2）With the pipe joint（1）Front end communicate, the foam dope
Cavity volume（53）The port of export through reflux line（5）With the pipe joint（1）Rear end communicate；
Also include foam dope drainage pipe（4）, the foam dope drainage pipe（4）Through the lower flange（9）Set and with
The lower flange（9）It is slidably matched, the foam dope drainage pipe（4）Upper end and the elastic diaphragm（52）It is fixedly linked,
The foam dope drainage pipe（4）The port of export pass through the elastic diaphragm（52）With the foam dope cavity volume（51）Communicate,
The lower flange（9）Lower end set foam dope import（10）, the foam dope drainage pipe（4）Entrance point（11）Wear
Cross the lower flange（9）It is arranged on foam dope import（10）It is interior；
Also include and foam dope drainage tube（4）Entrance point（11）The baffle plate that orifice configuration is adapted（6）, the baffle plate（6）Gu
Surely it is arranged on the foam dope import（10）It is interior, the foam dope drainage pipe（4）Entrance point（11）The mouth of pipe with it is described
Baffle plate（6）Upper surface gap coordinate so that the foam dope drainage pipe（4）With the elastic diaphragm（52）During change,
Foam dope drainage pipe（4）Entrance point（11）With the baffle plate（6）The distance between change therewith.
2. balanced type foam proportioner according to claim 1, it is characterised in that the elastic diaphragm（52）For fourth
Nitrile rubber barrier film.
3. balanced type foam proportioner according to claim 2, it is characterised in that the pipe joint（1）Inside set
Put foam dope passage（3）, the foam dope passage（3）Entrance point through reflux line（5）With the foam dope cavity volume
（51）Communicate, the foam dope passage（3）The port of export be arranged on the pipe joint（1）On the axial end of rear end.
4. balanced type foam proportioner according to claim 3, it is characterised in that the reflux line（5）Inside set
Put regulating valve（7）.
5. balanced type foam proportioner according to claim 4, it is characterised in that the foam solution cavity volume（51）It is in
Taper is arranged on the upper flange（8）Lower end, the fire water cavity volume（53）The lower flange is arranged in back taper（9）'s
Upper end.
6. balanced type foam proportioner according to claim 5, it is characterised in that the foam dope drainage pipe
（4）Entrance point（11）Set in horn-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720129266.5U CN206454150U (en) | 2017-02-13 | 2017-02-13 | A kind of balanced type foam proportioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720129266.5U CN206454150U (en) | 2017-02-13 | 2017-02-13 | A kind of balanced type foam proportioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206454150U true CN206454150U (en) | 2017-09-01 |
Family
ID=59695148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720129266.5U Active CN206454150U (en) | 2017-02-13 | 2017-02-13 | A kind of balanced type foam proportioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206454150U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195789A (en) * | 2019-07-12 | 2019-09-03 | 上海瑞泰消防设备制造有限公司 | A kind of ratio mixing valve |
| CN110523305A (en) * | 2019-09-18 | 2019-12-03 | 浙江工业大学 | A kind of mixer of adjustable foam liquid proportional |
| CN110541936A (en) * | 2019-09-18 | 2019-12-06 | 浙江工业大学 | Mixer with adjustable foam liquid proportion based on venturi tube |
-
2017
- 2017-02-13 CN CN201720129266.5U patent/CN206454150U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195789A (en) * | 2019-07-12 | 2019-09-03 | 上海瑞泰消防设备制造有限公司 | A kind of ratio mixing valve |
| CN110523305A (en) * | 2019-09-18 | 2019-12-03 | 浙江工业大学 | A kind of mixer of adjustable foam liquid proportional |
| CN110541936A (en) * | 2019-09-18 | 2019-12-06 | 浙江工业大学 | Mixer with adjustable foam liquid proportion based on venturi tube |
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