CN205626812U - Balanced proportioning device of mechanical pump income formula - Google Patents
Balanced proportioning device of mechanical pump income formula Download PDFInfo
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- CN205626812U CN205626812U CN201620374086.9U CN201620374086U CN205626812U CN 205626812 U CN205626812 U CN 205626812U CN 201620374086 U CN201620374086 U CN 201620374086U CN 205626812 U CN205626812 U CN 205626812U
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Abstract
The utility model provides a balanced proportioning device of mechanical pump income formula, includes the hydraulic turbine, proportioning pump, shaft coupling, check valve and switching valve, the hydraulic turbine passes through the shaft coupling and links to each other with the proportioning pump, absorb water end and the water source that provides fire demand of the hydraulic turbine link to each other, and the play water end (W. E. ) of the hydraulic turbine links to each other with the fire prevention's that is used for disappearing fire control sprinkler apparatus, still be equipped with the first bleeder that is used for pouring into into foam liquid on the play water end (W. E. ) of the hydraulic turbine, it is continuous with the play water end (W. E. ) of proportioning pump that first bleeder passes through the check valve, the end that absorbs water of proportioning pump links to each other with the foam tank who provides foam liquid through the switching valve, the utility model discloses a balanced proportioning device of mechanical pump income formula, because the hydraulic turbine is positive displacement mechanism with the proportioning pump, and the coaxial coupling, volume ratio between them is the mixing ratio promptly, and the hydraulic turbine is fast together with the rotation of proportioning pump for foam liquid's flow can keep invariable with comparing of the flow of fire water, provides the foam solution that the reliability is high for fire control sprinkler apparatus.
Description
Technical field
This utility model relates to fire fighting device field, is specifically related to a kind of machinery and pumps into formula balanced proportions mixing arrangement.
Background technology
Fire-fighting main flow foam solution has AFFF, protein foam, fluoroprotein foam, alcohol foam, high power foam, A class A foam A and synthetic foam etc. several, wherein only have synthetic foam can store after premixing with water, directly by foam mixing liquid ejection fire extinguishing after fire-fighting system starts.Using in the fire-fighting system of other several foams, foam proportioning unit is the core of system, and during work, foam dope is required for first mixing with water by a certain percentage.Foam proportioning unit mainly has following several generations product at present.
First generation product is negative-pressure type foam proportioning unit, and foam solution is stored in non-pressure vessel, and the when of fire water passing ratio blender, foam solution population produces negative pressure, is sucked by foam solution and is mixed to form foam mixing liquid with fire water.The advantage of this foam proportioning unit is that simple in construction, foam solution can add at any time, and shortcoming is that foams mix ratio cannot stability contorting.
Second filial generation product is pressure type foam proportioning unit, foam solution is stored in the capsule in pressure vessel (concentrated tank), a part of fire water enters concentrated tank, foam solution in capsule is extruded, and the when of another part fire water passing ratio blender, produce negative pressure, the foam solution of extrusion from capsule is sucked fire water and is mixed with forming foam mixing liquid.The advantage of this foam proportioning unit is that foams mix is more relatively stable than relative first generation product, and shortcoming is foam solution finite capacity, cannot add at any time after being finished.
Third generation product is pressure balance type foam proportioning unit, foam solution is stored in non-pressure vessel, foam solution passes through foam pump pressurized delivered to equilibrated valve, equilibrated valve is by balance foam hydraulic coupling and fire fighting hydraulic pressure, the foam solution pressure guaranteeing to be entered proportioner by equilibrated valve keeps pressure reduction substantially constant with fire fighting hydraulic pressure, and any excess foam liquid is delivered back into concentrated tank by back liquid pipeline.Owing to equilibrated valve can allow the fire water of entrance proportioner and foam solution pressure differential keep relative stability, the foams mix ratio of the most this foam proportioning unit is more stable, and foam solution also can add at any time, but device structure is increasingly complex compared with the second filial generation, in addition to having energy dissipation, there is also the risk that balanced valve inefficacy causes system to run.
Above three generation products is the main flow of present stage Fire Control System Design application, and they have a core component: proportioner.Just because of this, this three generation products is only applicable to the foam solution that foams mix is bigger, and the fire-fighting current weight range that can use is the narrowest, and maximum defect is the fire water significantly pressure drop that proportioner brings.
Utility model content
This utility model is in order to solve the problems referred to above that prior art exists, it is provided that a kind of machinery simple and compact for structure, that system capacity utilization rate high, reliability high, foam solution can add at any time pumps into formula balanced proportions mixing arrangement.
For achieving the above object, this utility model provides a kind of machinery and pumps into formula balanced proportions mixing arrangement, including the hydraulic turbine, proportioning pump, shaft coupling, check valve and switching valve, the described hydraulic turbine is connected with proportioning pump by shaft coupling, the suction side of the described hydraulic turbine is connected with the water source providing fire demand water, the water side of the hydraulic turbine is connected with the fire-fighting spray appliance for fire-fighting fire extinguishing, the first branched pipe for injecting foam solution it is additionally provided with on the water side of the described hydraulic turbine, described first branched pipe is connected with the water side of proportioning pump by check valve, the suction side of described proportioning pump is connected with the foam tank providing foam solution by switching valve.
As optimal technical scheme of the present utility model, the water side of the described hydraulic turbine being additionally provided with the second branched pipe for carrying out backwash to proportioning pump, the second branched pipe is connected to proportioning pump by filter and switching valve and provides backwashing water.
As optimal technical scheme of the present utility model, between water side and the check valve of described proportioning pump, it is additionally provided with air bleeding valve.
As optimal technical scheme of the present utility model, the described hydraulic turbine is additionally provided with drain valve.
As optimal technical scheme of the present utility model, described fire-fighting spray appliance is sprinkler tip, Fire branch or fire monitor.
Machinery of the present utility model pumps into formula balanced proportions mixing arrangement can reach following beneficial effect:
Machinery of the present utility model pumps into formula balanced proportions mixing arrangement, by including the hydraulic turbine, proportioning pump, shaft coupling, check valve and switching valve, the described hydraulic turbine is connected with proportioning pump by shaft coupling, the suction side of the described hydraulic turbine is connected with the water source providing fire demand water, the water side of the hydraulic turbine is connected with the fire-fighting spray appliance for fire-fighting fire extinguishing, the first branched pipe for injecting foam solution it is additionally provided with on the water side of the described hydraulic turbine, described first branched pipe is connected with the water side of proportioning pump by check valve, the suction side of described proportioning pump is connected with the foam tank providing foam solution by switching valve, hydraulic turbine output is made to rotate mechanical energy, proportioning pump is driven by shaft coupling, foam in normal pressure foam tank is pressurizeed and injects in extinguishing pipe by proportioning pump, mix with fire water, for fire-fighting fire extinguishing；And when being provided with suitable turbine parameter, after selecting correct proportioning pump, foams mix can keep constant than just, how to change regardless of fire water flow；Additionally, hydraulic turbine output speed is directly proportional to the flow of the hydraulic turbine, the output flow of proportioning pump is also directly proportional to the rotating speed of proportioning pump, ensure that both rotations are synchronized owing to using shaft coupling to be connected between the hydraulic turbine with proportioning pump so that the flow of foam solution is maintained constant with the ratio of the flow of fire water.Finally, this utility model has that simple and compact for structure, system capacity utilization rate is high, reliability is high, foam solution can the advantage such as interpolation at any time.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation that this utility model machinery pumps into an example of formula balanced proportions mixing arrangement.
Fig. 2 is the letter picture principle schematic that this utility model machinery pumps into an example of formula balanced proportions mixing arrangement.
In figure: 11, the hydraulic turbine, 12, proportioning pump, 13, shaft coupling, 14, check valve, 15, reversal valve, 16, filter, 17, air bleeding valve, 18, drain valve, 20, water source, 30, foam tank, 40, fire-fighting spray appliance.
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
As depicted in figs. 1 and 2, machinery pumps into formula balanced proportions mixing dress, including the hydraulic turbine 11, proportioning pump 12, shaft coupling 13, check valve 14 and switching valve 15, the described hydraulic turbine 11 is connected with proportioning pump 12 by shaft coupling 13, the suction side of the described hydraulic turbine 11 is connected with the water source 20 providing fire demand water, the water side of the hydraulic turbine 11 is connected with the fire-fighting spray appliance 40 for fire-fighting fire extinguishing, the first branched pipe for injecting foam solution it is additionally provided with on the water side of the described hydraulic turbine 11, described first branched pipe is connected with the water side of proportioning pump 12 by check valve 14, the suction side of described proportioning pump 12 is connected with the foam tank 30 providing foam solution by switching valve 15.
In being embodied as, the water side of the described hydraulic turbine 11 being additionally provided with the second branched pipe for carrying out backwash to proportioning pump 12, the second branched pipe is connected with switching valve 15 by filter 16, provides backwashing water for proportioning pump 12.
As depicted in figs. 1 and 2, it is additionally provided with air bleeding valve 17 between water side and the check valve 14 of described proportioning pump 12, the described hydraulic turbine 11 is additionally provided with drain valve 18.The fire-fighting spray appliance 40 of described fire-fighting fire extinguishing is sprinkler tip, Fire branch or fire monitor.
In order to allow those skilled in the art be more fully understood that and realize the technical solution of the utility model, it is explained in detail below and of the present utility model realizes principle.
Water flows through the special hydraulic turbine 11, driving the hydraulic turbine 11 inner rotator, and directly drive proportioning pump 12 by shaft coupling 13, proportioning pump 12 sucks foam solution and pressurizes, the outlet being directly injected into the hydraulic turbine 11 mixes with water, the most i.e. realizes foam solution and mixes with the actual ratio of water.Owing to the hydraulic turbine 11 and proportioning pump 12 are positive displacement machine and coaxially connected, both volumetric ratios are mixing ratio.
The hydraulic turbine 11 output rotates mechanical energy, drives proportioning pump 12 by shaft coupling 13, and the foam in normal pressure foam tank 30 is pressurizeed and injects in extinguishing pipe by proportioning pump 12, mixes with fire water, for fire-fighting fire extinguishing.Arranging the suitable hydraulic turbine 11 parameter, after selecting correct proportioning pump 12, foams mix can keep constant than just, how to change regardless of fire water flow.The hydraulic turbine 11 output speed is directly proportional to the flow of the hydraulic turbine 11, the output flow of proportioning pump 12 is also directly proportional to the rotating speed of proportioning pump 12, ensure that both rotations are synchronized owing to using shaft coupling 13 to be connected between the hydraulic turbine 11 with proportioning pump 12, the flow of foam solution is made to be maintained constant with the ratio of the flow of fire water, to fire-fighting spray appliance 40(such as sprinkler tip, Fire branch or fire monitor) foam solution that reliability is high is provided.
Although the foregoing describing detailed description of the invention of the present utility model; but those skilled in the art are to be understood that; these are merely illustrative of; present embodiment can be made various changes or modifications; without departing from principle of the present utility model and essence, protection domain of the present utility model is only limited by the claims that follow.
Claims (5)
1. a machinery pumps into formula balanced proportions mixing arrangement, it is characterized in that, including the hydraulic turbine, proportioning pump, shaft coupling, check valve and switching valve, the described hydraulic turbine is connected with proportioning pump by shaft coupling, the suction side of the described hydraulic turbine is connected with the water source providing fire demand water, the water side of the hydraulic turbine is connected with the fire-fighting spray appliance for fire-fighting fire extinguishing, the first branched pipe for injecting foam solution it is additionally provided with on the water side of the described hydraulic turbine, described first branched pipe is connected with the water side of proportioning pump by check valve, the suction side of described proportioning pump is connected with the foam tank providing foam solution by switching valve.
2. pump into formula balanced proportions mixing arrangement according to the machinery described in claim 1, it is characterized in that, being additionally provided with the second branched pipe for carrying out backwash to proportioning pump on the water side of the described hydraulic turbine, the second branched pipe is connected to proportioning pump by filter and switching valve and provides backwashing water.
3. pump into formula balanced proportions mixing arrangement according to the machinery described in claim 2, it is characterised in that between water side and the check valve of described proportioning pump, be additionally provided with air bleeding valve.
4. pump into formula balanced proportions mixing arrangement according to the machinery described in claim 3, it is characterised in that on the described hydraulic turbine, be additionally provided with drain valve.
5. pump into formula balanced proportions mixing arrangement according to the machinery described in any one of Claims 1-4, it is characterised in that described fire-fighting spray appliance is sprinkler tip, Fire branch or fire monitor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620374086.9U CN205626812U (en) | 2016-04-28 | 2016-04-28 | Balanced proportioning device of mechanical pump income formula |
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| CN201620374086.9U CN205626812U (en) | 2016-04-28 | 2016-04-28 | Balanced proportioning device of mechanical pump income formula |
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| CN205626812U true CN205626812U (en) | 2016-10-12 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107252533A (en) * | 2017-07-01 | 2017-10-17 | 刘彤贤 | Gear mechanism is pumped into formula foam proportioning unit |
| CN107281670A (en) * | 2017-07-01 | 2017-10-24 | 刘彤贤 | A kind of gear mechanism is pumped into formula foam proportioning unit |
| CN107288869A (en) * | 2017-07-01 | 2017-10-24 | 刘彤贤 | Rotor machinery is pumped into formula foam proportioning unit |
| CN107339188A (en) * | 2017-07-01 | 2017-11-10 | 刘彤贤 | A kind of rotor machinery is pumped into formula foam proportioning unit |
| CN107349545A (en) * | 2016-10-25 | 2017-11-17 | 中国石油化工股份有限公司 | Machinery is pumped into formula compressed air foam extinguishing device |
| CN108404321A (en) * | 2018-05-09 | 2018-08-17 | 上海务进消防安全设备有限公司 | A kind of big flow water-foam solution mixing arrangement and its mixed method |
| CN109173119A (en) * | 2018-09-28 | 2019-01-11 | 中船黄埔文冲船舶有限公司 | A kind of foam firefighting device |
| CN111298334A (en) * | 2020-04-15 | 2020-06-19 | 安徽世纪凯旋消防科技有限公司 | Water kinetic energy system of foam proportion mixing device |
| CN114432621A (en) * | 2021-12-29 | 2022-05-06 | 应急管理部天津消防研究所 | Additive-containing low-pressure water mist fire extinguishing system |
| CN114502243A (en) * | 2019-10-08 | 2022-05-13 | 火影斗士股份有限公司 | Mixing system for a fire-extinguishing system and method for operating such a mixing system |
-
2016
- 2016-04-28 CN CN201620374086.9U patent/CN205626812U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107349545A (en) * | 2016-10-25 | 2017-11-17 | 中国石油化工股份有限公司 | Machinery is pumped into formula compressed air foam extinguishing device |
| CN107252533A (en) * | 2017-07-01 | 2017-10-17 | 刘彤贤 | Gear mechanism is pumped into formula foam proportioning unit |
| CN107281670A (en) * | 2017-07-01 | 2017-10-24 | 刘彤贤 | A kind of gear mechanism is pumped into formula foam proportioning unit |
| CN107288869A (en) * | 2017-07-01 | 2017-10-24 | 刘彤贤 | Rotor machinery is pumped into formula foam proportioning unit |
| CN107339188A (en) * | 2017-07-01 | 2017-11-10 | 刘彤贤 | A kind of rotor machinery is pumped into formula foam proportioning unit |
| CN108404321A (en) * | 2018-05-09 | 2018-08-17 | 上海务进消防安全设备有限公司 | A kind of big flow water-foam solution mixing arrangement and its mixed method |
| CN109173119A (en) * | 2018-09-28 | 2019-01-11 | 中船黄埔文冲船舶有限公司 | A kind of foam firefighting device |
| CN114502243A (en) * | 2019-10-08 | 2022-05-13 | 火影斗士股份有限公司 | Mixing system for a fire-extinguishing system and method for operating such a mixing system |
| CN111298334A (en) * | 2020-04-15 | 2020-06-19 | 安徽世纪凯旋消防科技有限公司 | Water kinetic energy system of foam proportion mixing device |
| CN114432621A (en) * | 2021-12-29 | 2022-05-06 | 应急管理部天津消防研究所 | Additive-containing low-pressure water mist fire extinguishing system |
| CN114432621B (en) * | 2021-12-29 | 2022-10-04 | 应急管理部天津消防研究所 | Additive-containing low-pressure water mist fire extinguishing system |
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