CN206535030U - A kind of gas-liquid double-phase mixer - Google Patents

A kind of gas-liquid double-phase mixer Download PDF

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Publication number
CN206535030U
CN206535030U CN201720104030.6U CN201720104030U CN206535030U CN 206535030 U CN206535030 U CN 206535030U CN 201720104030 U CN201720104030 U CN 201720104030U CN 206535030 U CN206535030 U CN 206535030U
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China
Prior art keywords
fluid passage
liquid
threeway body
gas
air inlet
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CN201720104030.6U
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Chinese (zh)
Inventor
陈华荣
陈秀玉
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FUJIAN TIANGUANG FIRE-FIGHTING Inc Co
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FUJIAN TIANGUANG FIRE-FIGHTING Inc Co
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Abstract

The utility model discloses a kind of gas-liquid double-phase mixer, include threeway body, there is the fluid passage of connection liquid feeding end and outlet end in threeway body, there is the inlet channel for leading to fluid passage by inlet end in threeway body, also include the mixing tube being installed in fluid passage and be installed on the outlet end of threeway body and go out liquid joint, positioning step is provided with fluid passage, mixing tube includes the air inlet pipe portion and connecting section from beginning to end connect, it is provided with annular boss on the lateral surface of connecting section, the inwall of annular boss and fluid passage is through being threadedly coupled;The one end of air inlet pipe portion away from the connecting section is abutted against with positioning step, the cavity that annular boss, the inwall of fluid passage, the outer tube wall of positioning step and air inlet pipe portion are surrounded.Gas-liquid double-phase mixer of the present utility model, its can balanced air-flow and liquid stream equably mix, stable gas-liquid mixed ratio, while air-flow can be avoided to block the liquid stream in fluid passage.

Description

A kind of gas-liquid double-phase mixer
Technical field
The utility model is related to fire-fighting fire extinguishing accessory technical field, and in particular to be a kind of gas-liquid double-phase mixer.
Background technology
Double-phase high-pressure fine spray extinguisher is a kind of novel fire extinguishing equipment, and its action principle is to utilize gases at high pressure (N2) liquid in tank is pressed into feed pathway, fire water is in air and liquid mixer and nitrogen by a certain proportion of mixed Close, eventually pass and ejected after fine mist spray head, by absorb the oxygen content around calory burning and dilute combustion thing from And reach the purpose of fire extinguishing, with it is nontoxic, pollution-free, efficient, cleaning the characteristics of.
Because the fluid motion rule of air-liquid mixture is complex, the gas-liquid in two-phase fine spray extinguisher Whether double-phase mixer design is reasonable, can directly affect the reliability of whole system.The two-phase high pressure fine water of existing market sale The air and liquid mixer of mist fire-extinguishing apparatus exist mostly gas-liquid mixed than it is inaccurate, two-phase pressure is unbalanced the shortcomings of.Some gas The air-flow that elevated pressures even occurs in liquid mixer blocks the situation of extinguishing fluid outflow, and then influences extinguishing effect.
In consideration of it, inventor furthers investigate to above mentioned problem, there is this case generation then.
Utility model content
The purpose of this utility model is to provide a kind of gas-liquid double-phase mixer, its can balanced gas-liquid two-phase pressure, surely Determine gas-liquid mixed ratio, prevent air-flow from blocking extinguishing fluid stream, effectively improve the reliability of a whole set of heavy pressure fine spray system.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of gas-liquid double-phase mixer, including on threeway body, the threeway body has inlet end, liquid feeding end and goes out Have in liquid end, the threeway body in the fluid passage for connecting the liquid feeding end and the outlet end, the threeway body and have There is the inlet channel for leading to the fluid passage by the inlet end, also include the mixing tube being installed in the fluid passage Positioning step is provided with liquid joint, the fluid passage with being installed on going out on the outlet end, the mixing tube includes head Annular boss, the convex annular are provided with air inlet pipe portion and connecting section that tail is connected, the lateral surface of the connecting section The inwall of platform and the fluid passage is through being threadedly coupled;The one end of the air inlet pipe portion away from the connecting section and the positioning Step is abutted against, the annular boss, the inwall of the fluid passage, the positioning step and the outer tube wall of the air inlet pipe portion Surround be provided with an annular cavity, the tube wall of the air inlet pipe portion it is multiple radially-arranged logical along the air inlet pipe portion Spacing is equal between hole, two adjacent through holes;The gas outlet of the inlet channel is led in the cavity, the threeway sheet Be provided with the outlet end of body for it is described go out liquid joint be connected the sealing ring sealed.
It is preferred that, the groove for installing sealing ring, the sealing ring peace are provided with the outlet end of the threeway body Loaded in the groove.Improved by said structure, facilitate the installation of sealing ring, and going out liquid joint installed in threeway body Outlet end on when can play sealed effect.
It is preferred that, the axis perpendicular of the axis of the inlet channel and the fluid passage.Improved by said structure, Be conducive to reducing the resistance of gas in inlet channel, be advantageously passed through in inlet channel in cavity, promote gas logical from cavity Through hole is crossed to be uniformly mixed into fluid passage.
It is preferred that, the fluid passage, the mixing tube and it is described go out liquid joint it is coaxial, the liquid feeding end of the threeway body Bore be less than the threeway body outlet end bore, the bore of the liquid feeding end of the threeway body and the mixing tube Caliber is equal, the caliber of the mixing tube with it is described go out liquid joint bore it is equal.Improved by said structure, be conducive to reducing Liquid is flowing through threeway body, mixing tube and the resistance for going out liquid joint, while being conducive to gas-liquid mixed, and is conducive to reducing liquid The pressure loss, it is ensured that the outlet pressure of fluid passage, is more beneficial for fire extinguishing.
Using above-mentioned technical proposal, the utility model has following beneficial effect:
A kind of gas-liquid double-phase mixer of the utility model, includes the threeway sheet with inlet end, liquid feeding end and outlet end Having in body, the threeway body is used for the fluid passage into liquid, has in the threeway body and leads to for the air inlet of air inlet Road, also includes positioning step is provided with liquid joint, the fluid passage, the mixing tube include it is from beginning to end connect enter Annular boss, the annular boss and the liquid are provided with tracheae portion and connecting section, the lateral surface of the connecting section The inwall of passage is through threaded connection;The one end of the air inlet pipe portion away from the connecting section is abutted against with the positioning step, The annular boss, the inwall of the fluid passage, the positioning step and the outer tube wall of the air inlet pipe portion surround a ring Spacing between through hole, two adjacent through holes is provided with the cavity of shape, the tube wall of the air inlet pipe portion equal;Inlet channel Gas outlet lead in cavity, be conducive in cavity gas from different directions equably in mixing liquid passage, gas can be stablized Liquid mixed proportion, prevents air-flow from blocking the liquid stream of fluid passage, effectively improves the reliability of a whole set of heavy pressure fine spray system.
Further, go out liquid joint to be installed on the outlet end of fluid passage, sealing is installed on the outlet end of threeway body Circle, the sealing ring of setting can seal with going out liquid joint to the outlet end of threeway body, prevent air-liquid from leaking, Influence fire extinguishing.
Therefore, a kind of gas-liquid double-phase mixer of the utility model, its can balanced air-flow and liquid stream equably mix, it is stable Gas-liquid mixed ratio, while air-flow can be avoided to block the liquid stream in fluid passage, effectively improves a whole set of heavy pressure fine spray system Reliability.
Brief description of the drawings
For ease of explanation, the utility model is described in detail by following specific implementations and accompanying drawing.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of threeway body in the utility model.
Fig. 3 is the structural representation of mixing tube in the utility model.
Correspondence is indicated in figure as follows:
1- threeway bodies;2- mixing tubes;
3- goes out liquid joint;4- cavitys;
5- sealing rings;
11- inlet ends;111- inlet channels;
12- liquid feeding ends;122- fluid passages;
13- outlet ends;14- positioning steps;
15- grooves;
21- air inlet pipe portions;211- through holes;
22- connecting section;221- annular boss.
Embodiment
In order to which the technical solution of the utility model is explained further, the utility model is entered below by specific embodiment Row is elaborated.
As Figure 1-3, gas-liquid double-phase mixer of the present utility model, includes threeway body 1, the threeway body 1 It is upper have in inlet end 11, liquid feeding end 12 and outlet end 13, the threeway body 1 have connect the liquid feeding end 12 with it is described go out Have in the fluid passage 122 at liquid end 13, the threeway body 1 and entering for the fluid passage 122 is led to by the inlet end 11 Gas passage 111, also include the mixing tube 2 being installed in the fluid passage 122 and be installed on the threeway body 1 go out liquid Go out to be provided with positioning step 14 in liquid joint 3, the fluid passage 122 on end 13, the mixing tube 2 includes from beginning to end connect Air inlet pipe portion 21 and connecting section 22, specifically:The air inlet pipe portion 21 and the connecting section 22 are formed in one;It is described Be provided with annular boss 221 on the lateral surface of connecting section 22, the annular boss 221 and the one of connecting section 22 into Type;The inwall of the annular boss 221 and the fluid passage 122 is through being threadedly coupled;The air inlet pipe portion 21 away from described One end of connecting section 22 is abutted against with the positioning step 14, the annular boss 221, the inwall of the fluid passage 122, The positioning step 14 and the outer tube wall of the air inlet pipe portion 21 surround an annular cavity 4, the pipe of the air inlet pipe portion 21 It is provided with wall multiple along the radially-arranged through hole 211 of the air inlet pipe portion 21, two adjacent described 211 spacing phases of through hole Deng;The gas outlet of the inlet channel 111 is led in the cavity 4, and being provided with the outlet end 13 of the threeway body 1 is used for With it is described go out liquid joint 3 be connected the sealing ring 5 sealed.
In above-mentioned, specifically:Three are provided with the air inlet pipe portion 21 of the mixing tube 2 and discharges into through hole 211, per exhausting hole 211 quantity is 3 and arranged along the axial direction of mixing tube 2,9 apertures altogether.It is provided with the annular boss 221 Part in first external thread section, the fluid passage 122 corresponding to the annular boss 221 is provided with the first internal thread;Institute State the second external thread section be provided with the liquid feeding end 12 of threeway body 1 and the lateral wall of outlet end 13, it is described go out liquid joint 3 Madial wall is provided with the second internal thread being engaged for the second external thread section with outlet end 13 on the threeway body 1, institute The 3rd external thread section for connecting miscellaneous part is provided with the lateral wall for stating out liquid joint 3.
In the utility model, it is preferred that be provided with the outlet end 13 of the threeway body 1 for installing sealing ring 5 Groove 15, the sealing ring 5 is installed in the groove 15.The sealing ring 5 of setting, facilitates the installation of sealing ring 5, and going out Liquid joint 3 can play sealed effect when being arranged on the outlet end 13 of threeway body 1.
In the utility model, it is preferred that the axis of the axis of the inlet channel 111 and the fluid passage 122 mutually hangs down Directly.Communicate in this way, be conducive to reducing the resistance of gas in inlet channel 111, it is advantageously logical in inlet channel 111 Enter in cavity 4, promote gas to be uniformly mixed into from cavity 4 by through hole 211 in fluid passage 122.
In the utility model, it is preferred that the fluid passage 122, the mixing tube 2 and it is described go out liquid joint 3 it is coaxial, institute Bore of the bore less than the outlet end 13 of the threeway body 1 of the liquid feeding end 12 of threeway body 1 is stated, the threeway body 1 The bore of liquid feeding end 12 is equal with the caliber of the mixing tube 2, the caliber of the mixing tube 2 with it is described go out liquid joint 3 bore It is equal.Improved using structure, be conducive to reduction liquid flowing through threeway body 1, mixing tube 2 and the resistance for going out liquid joint 3, simultaneously Be conducive to gas-liquid mixed, and be conducive to reducing fluid pressure losses, it is ensured that the outlet pressure of fluid passage 122, be more beneficial for going out Fire.Here it is more specific:Caliber and institute of the fluid passage 122 with the fluid passage 122 outside the mixing tube 2 cooperation State mixing tube 2 caliber and it is described go out liquid joint 3 bore it is equal and coaxial.
Using above-mentioned technical proposal, a kind of gas-liquid double-phase mixer of the utility model, its can balanced air-flow and liquid stream it is equal Mix evenly, stable gas-liquid mixed ratio, while air-flow can be avoided to block the liquid stream in fluid passage 122, is effectively improved whole Cover the reliability of heavy pressure fine spray system.
Need exist for further illustrating is:The utility model is mainly passed through by the number of through hole 211, inlet channel 111 The pressure and feed tube of high pressure nitrogen are passed through the pressure decision high pressure nitrogen of High-Pressure Water and the mixability of High-Pressure Water.Specifically 's:The air inlet of inlet channel 111 is passed through high pressure nitrogen, and the liquid feeding end 12 of fluid passage 122 is passed through High-Pressure Water (i.e.:Fire-fighting Water), high pressure nitrogen is directly mixed by the High-Pressure Water in the through hole 211 in the air inlet pipe portion 21 of mixing tube 2 and fluid passage 122 Close, it is possible to realize a certain proportion of mixing, spray from liquid joint 3 is gone out and enter fire extinction pipeline.
When in use, inlet channel 111 is passed through higher elevated pressure nitrogen to a kind of gas-liquid double-phase mixer of the utility model first High-Pressure Water is passed through in gas, fluid passage 122;Now, the gas pressure of high pressure nitrogen is more than the water flow pressure of High-Pressure Water, enters And High-Pressure Water is extruded to the liquid feeding end 12 for being retracted into threeway body 1.Then, by reducing the gas pressure of high pressure nitrogen, protect Hold High-Pressure Water pressure constant, high pressure nitrogen is mixed with High-Pressure Water with a certain proportion of, and go out liquid from go out liquid connector Mouth outflow.Wherein, the main mixability by 9 control gas high pressure current of through holes 211 of high pressure nitrogen, finally from shower nozzle The water smoke ejected has particle small, the characteristics of fogging degree is high, advantageously in fire extinguishing.In addition, the utility model structure Simply, easy for installation, reliability is high, easy to maintenance.
Above-described embodiment and schema and non-limiting product form of the present utility model and style, any art Appropriate change or modification that those of ordinary skill is done to it, all should be regarded as not departing from patent category of the present utility model.

Claims (4)

1. a kind of gas-liquid double-phase mixer, including on threeway body, the threeway body has inlet end, liquid feeding end and goes out liquid Having in end, the threeway body in the fluid passage for connecting the liquid feeding end and the outlet end, the threeway body has Lead to the inlet channel of the fluid passage by the inlet end, it is characterised in that:Also include and be installed on the fluid passage Interior mixing tube is provided with positioning step with being installed on going out on the outlet end in liquid joint, the fluid passage, described mixed Closing pipe includes being provided with annular boss on the air inlet pipe portion and connecting section from beginning to end connect, the lateral surface of the connecting section, The inwall of the annular boss and the fluid passage is through being threadedly coupled;The described one end of air inlet pipe portion away from the connecting section Abutted against with the positioning step, the annular boss, the inwall of the fluid passage, the positioning step and the air inlet pipe The outer tube wall in portion surround be provided with an annular cavity, the tube wall of the air inlet pipe portion it is multiple along the air inlet pipe portion radially Spacing is equal between the through hole of distribution, two adjacent through holes;The gas outlet of the inlet channel is led in the cavity, institute Be provided with the outlet end for stating threeway body for it is described go out liquid joint be connected the sealing ring sealed.
2. a kind of gas-liquid double-phase mixer according to claim 1, it is characterised in that:On the outlet end of the threeway body The groove for installing sealing ring is provided with, the sealing ring is installed in the groove.
3. a kind of gas-liquid double-phase mixer according to claim 1, it is characterised in that:The axis of the inlet channel and institute State the axis perpendicular of fluid passage.
4. a kind of gas-liquid double-phase mixer according to claim 1, it is characterised in that:The fluid passage, the mixing Pipe and it is described go out liquid joint it is coaxial, the bore of the liquid feeding end of the threeway body is less than the mouth of the outlet end of the threeway body Footpath, the bore of the liquid feeding end of the threeway body is equal with the caliber of the mixing tube, the caliber of the mixing tube with it is described go out The bore of liquid joint is equal.
CN201720104030.6U 2017-01-24 2017-01-24 A kind of gas-liquid double-phase mixer Active CN206535030U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720104030.6U CN206535030U (en) 2017-01-24 2017-01-24 A kind of gas-liquid double-phase mixer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720104030.6U CN206535030U (en) 2017-01-24 2017-01-24 A kind of gas-liquid double-phase mixer

Publications (1)

Publication Number Publication Date
CN206535030U true CN206535030U (en) 2017-10-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111115669A (en) * 2018-10-30 2020-05-08 中国石油化工股份有限公司 Method for generating solid product by gas-liquid reaction and method for continuously preparing pseudo-boehmite

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111115669A (en) * 2018-10-30 2020-05-08 中国石油化工股份有限公司 Method for generating solid product by gas-liquid reaction and method for continuously preparing pseudo-boehmite

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