CN202823191U - Fluid proportioning and mixing device - Google Patents
Fluid proportioning and mixing device Download PDFInfo
- Publication number
- CN202823191U CN202823191U CN201220435057.0U CN201220435057U CN202823191U CN 202823191 U CN202823191 U CN 202823191U CN 201220435057 U CN201220435057 U CN 201220435057U CN 202823191 U CN202823191 U CN 202823191U
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- valve body
- spool
- tubular
- air distribution
- distribution hole
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Abstract
The utility model provides a fluid proportioning and mixing device, and belongs to the technical field of fluid machinery. The device comprises a valve body, air inlet channels, air outlet channels and a valve core, wherein the air inlet channels and the air outlet channels are arranged on the valve body and the valve core is disposed in the valve body. The device is characterized in that the valve body is in a three-way shape and comprises a barrel-shaped cavity body, two air inlet channels, two air outlet channels and a shell body. Connecting portions of the two air inlet channels and the barrel-shaped cavity body are respectively provided with a valve body distribution hole and a valve body main air hole. The valve core is barrel-shaped and placed in the barrel-shaped cavity body. The barrel-shaped valve core is provided with a valve core main air hole and a valve core distribution hole on positions corresponding to the valve body main air hole and the valve body distribution hole. The upper portion of the shell body is provided with an end cover, an axial moving adjusting part and a rotary adjusting part are arranged in the shell body and the end cover, and the axial moving adjusting part and the rotary adjusting part are connected with the top portion of the barrel-shaped valve core. The device is compact in structure and high in precision, simplifies a distribution system, replaces a plurality of flow meters or proportional valves or flow controllers, reduces the number of parts and lowers cost, and fluid proportioning, mixing and flow adjustment are all completed in the same device.
Description
Technical field
The utility model relates to a kind of mixing match device, and especially a kind of binary fluid proportioning mixing arrangement belongs to the fluid machinery technical field.
Background technology
Development along with science and technology; the industries such as welding, electronics, illumination, medical treatment, chemical industry, combustion gas, surface treatment and smelting are to the requirement of protection gas; change into the Diversity gas that uses according to the different proportion proportioning by the pure gas in past, can reach better effect like this.Hybrid protection gas is to be mixed to scale by 2 kinds and above gas.Such as binary gaseous mixture Ar(70-82% in the gas shielded arc welding), CO
2(18%～30%) is widely used in medium plate welding, gaseous mixture Ar(1%), Ne (99%) is used for illuminating device, gaseous mixture C
2H
4O (11%), CCl
3F (53%), CCl
2F
2(36%) is widely used in the medical industry sterilization that carries out disinfection.Wherein, the mixing of two yuan of gases is used more extensive.
Gas proportion mixing is finished by air distribution system.Air distribution system is divided into automatic adjusting and manual adjustments matching system at present.Automatically regulate matching system and generally adopt each gas single channel input, adopt computer, PLC or Single-chip Controlling, use traffic meter and choke valve or flow controller or analytical instrument FEEDBACK CONTROL choke valve, can realize the pressure and temperature compensation, precision is higher, and ratio is accurate, but proportioning is mixed separately, more with valve, expensive.The manual adjustments matching system is generally input gas by decompression venting valve, arrives and regulates proportioning valve or flowmeter, then enters blender.The manual adjustments mixed ratio can not be realized the pressure and temperature compensation, and proportioning and mixing separate, and precision is lower, but low price.Therefore, realize that proportioning, mixing, flow are adjusted in the device finish that in the urgent need to providing a kind of the proportioning ratio is adjustable continuously, but manual adjustments and the fluid proportioning mixing arrangement automatically regulated.
The utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, the specific demand that mixes for satisfying the industry fluids such as illumination, welding, surface treatment, medical treatment and smelting, thereby providing a kind of realizes that proportioning, mixing, flow are adjusted in the device and finishes the continuously adjustable fluid proportioning of proportioning ratio mixing arrangement.
The purpose of this utility model is achieved through the following technical solutions: fluid proportioning mixing arrangement, comprise valve body, be arranged on inlet channel and outlet passageway on the valve body, place the spool in the valve body, it is characterized in that, described valve body is threeway shape valve body, threeway shape valve body is comprised of the housing at tubular cavity, two inlet channels that are arranged on tubular cavity left-right symmetry position, the outlet passageway that is positioned at the tubular cavity bottom and tubular cavity top, and the junction of two inlet channels and tubular cavity is respectively equipped with valve body air distribution hole, valve body master pore; Described spool is the tubular spool, places in the tubular cavity, and the tubular spool is provided with valve pocket, and tubular spool outer wall and tubular cavity inner surface are fitted, and the tubular spool is being respectively equipped with spool master pore, spool air distribution hole with valve body master pore, valve body air distribution hole correspondence position; Described housing top is provided with end cap, housing and end cap are bolted, be provided with in housing and the end cap and move axially adjustment component, rotate adjustment component, describedly move axially adjustment component, rotate adjustment component and all be connected with tubular spool top, rotate adjustment component and circumferentially rotate the tubular spool, change the aperture of spool air distribution hole, thus the ratio of continuous setup input fluid, move axially adjustment component and move axially the tubular spool, thus the total flow of change proportioning fluid.
The described adjustment component that moves axially is provided with Flow-rate adjustment axle and spheroid, the Flow-rate adjustment axle is positioned at tubular spool top, the Flow-rate adjustment axle is connected in the end cap of housing top by screw thread is interspersed, Flow-rate adjustment axle one end inserts in the axle sleeve that tubular spool end arranges, and contacts by spheroid between Flow-rate adjustment axle and the tubular spool to be connected.
Described rotation adjustment component is provided with worm gear, worm screw, gear, gear shaft, gear is connected by the axle sleeve of key with tubular spool end, worm gear is installed on the gear shaft by key, the gear shaft two ends are installed with end cap, housing respectively by bearing and are connected, the engagement that is complementary of gear on gear and the gear shaft, worm and wheel is complementary.
Described valve body master pore, valve body air distribution hole equal and opposite in direction, it is shaped as square and passes through mutually with the face of cylinder, and orthographic projection is square.
The cuboid that is shaped as of described spool master pore passes through mutually with the face of cylinder, orthographic projection is rectangle, rectangle length is 2.1-2.4 times of the valve body master pore orthographic projection length of side, and length direction is along tubular spool circumferencial direction, and width is 1.1-1.3 times of the valve body master pore orthographic projection length of side.
The square that is shaped as of described spool air distribution hole passes through mutually with the face of cylinder, and orthographic projection is square, and the square length of side is 1.1-1.3 times of the valve body air distribution hole orthographic projection length of side.
The bottom of described tubular spool places valve body outlet passageway place by spring, is provided with sealing strip between the top of tubular spool and the valve interior wall.
Center, the hole axial location of described valve body air distribution hole, valve body master pore, spool master pore, spool air distribution hole is positioned on the same section perpendicular to threeway shape valve body center line, in the spool air distribution hole aperture four corner, and valve body master pore standard-sized sheet.
The utility model can be realized proportioning, mixing and the flow adjustment of convection cell, the proportioning of binary fluid is by keeping one road fluid flow constant, only regulate that the flow of a road less fluid of proportion realizes, valve body air distribution hole, spool air distribution hole are mainly inputted the less fluid of proportion in the mist.The utility model is by rotation worm and gear driven gear axle, gear drive, final so that the rotation of tubular spool circumferencial direction, thereby the overlapping area that can change spool air distribution hole and valve body air distribution hole changes the aperture of valve opening, realize continuous setup fluid-mixing ratio, institute's proportioning fluid enters valve pocket, in the valve pocket Central Collisions, realize evenly mixing; The utility model contacts with spool end by Flow-rate adjustment axle, ball, moves axially spool, changes simultaneously two-phase input fluid valve opening aperture, changes the total flow of fluid-mixing, and fluid proportioning constant rate.
The utility model can external manual regulating device or self-checking device, the external regulating handle of one side, manual rotation drives valve core rotation, can regulate continuously the proportioning ratio, and worm and gear can self-locking, is not subjected to the impact of high pressure draught, keeps worm gear and tubular spool circumferential position to maintain static, thereby guarantee the proportioning ratio, worm gear transmission ratio is large, thereby can realize the microfeed of tubular spool, so that distributing precision is higher.On the other hand, also can link to each other with drive motors, thereby system can adopt computer, PLC or Single-chip Controlling, realize online Automatic continuous adjusting, and can in intake line, add pressure sensor and temperature sensor, the compensation of realization pressure and temperature, distributing precision is higher.
The utility model compact conformation, fluid proportioning, mixing and flow adjustment are all finished in same device inside.Input fluid is after valve body, spool pore proportioning ratio, and the two-way fluid is injected valve pocket along 180 ° of directions, in the valve pocket Central Collisions, mix all with.The utility model is simple in structure, and precision is high, has simplified air distribution system, replaces a plurality of flowmeters and proportioning valve or flow controller, reduces number of components, reduces cost.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is assembling explosive view of the present utility model;
Fig. 3 is that the utility model tubular spool places the sectional structure schematic diagram in the threeway shape valve body;
Fig. 4 is the aperture perspective view that the utility model rotates tubular spool rear valve body air distribution hole and spool air distribution hole;
Fig. 5 is the aperture perspective view that the utility model rotates tubular spool rear valve body master's pore and spool master pore;
Fig. 6 is the aperture perspective view that the utility model moves axially tubular spool rear valve body air distribution hole and spool air distribution hole;
Fig. 7 is the aperture perspective view that the utility model moves axially tubular spool rear valve body master's pore and spool master pore;
Fig. 8 is that bulb is filled the binary gas air-channel system schematic diagram that is mixed among the utility model embodiment two;
Among the figure: 1 Flow-rate adjustment axle, 2 bearings, 3 gear shafts, 4 keys, 5 worm screws, 6 worm gears, 7 keys, 8 gears, 9 spheroids, 10 tubular spools, 11 springs, 12 sealing strips, 13 threeway shape valve bodies, 14 bolts, 15 end caps, 16 valve body air distribution holes, 17 spool air distribution holes, 18 spool master pores, 19 valve body master pores, 20 valve pockets, 21 housings, 22 axle sleeves, 23 inlet channels, 24 outlet passageways, 30 escape pipes, 31 fluid proportioning mixing arrangements, 32 gas inlet tubes, 33 ball valves, 34 filters, 35 decompression venting valves, 36 temperature sensors, 37 pressure sensors, 38 check valves, 39 drive motors.
The specific embodiment
Embodiment one
Fluid proportioning mixing arrangement, comprise threeway shape valve body 13, tubular spool 10, threeway shape valve body is comprised of the housing 21 at tubular cavity, two inlet channels 23 that are arranged on tubular cavity left-right symmetry position, the outlet passageway 24 that is positioned at the tubular cavity bottom and tubular cavity top, the tubular spool places in the tubular cavity, tubular spool outer wall and tubular cavity inner surface are fitted, and the tubular spool is provided with valve pocket 20.The bottom of tubular spool places valve body outlet passageway place by spring 11, is provided with sealing strip 12 between the top of tubular spool and the valve interior wall.
The junction of two inlet channels and tubular cavity is respectively equipped with valve body air distribution hole 16, valve body master pore 19, and tubular spool 10 is being respectively equipped with spool master pore 18, spool air distribution hole 17 with valve body master pore, valve body air distribution hole correspondence position.Valve body master pore, valve body air distribution hole equal and opposite in direction, it is shaped as square and passes through mutually with the face of cylinder, and orthographic projection is square.The cuboid that is shaped as of spool master pore passes through mutually with the face of cylinder, orthographic projection is rectangle, rectangle length is 2.1-2.4 times of the valve body master pore orthographic projection length of side, and length direction is along tubular spool circumferencial direction, and width is 1.1-1.3 times of the valve body master pore orthographic projection length of side.The square that is shaped as of spool air distribution hole passes through mutually with the face of cylinder, and orthographic projection is square, and the square length of side is 1.1-1.3 times of the valve body air distribution hole orthographic projection length of side.Center, the hole axial location of valve body air distribution hole, valve body master pore, spool master pore, spool air distribution hole is positioned on the same section perpendicular to threeway shape valve body center line, in the spool air distribution hole aperture four corner, and valve body master pore standard-sized sheet.
Housing top is provided with end cap 15, and housing is connected by bolt 14 with end cap, is provided with in housing and the end cap and moves axially adjustment component, rotates adjustment component.Move axially adjustment component and be provided with Flow-rate adjustment axle 1 and spheroid 9, the Flow-rate adjustment axle is positioned at tubular spool top, the Flow-rate adjustment axle is connected in the end cap of housing top by screw thread is interspersed, Flow-rate adjustment axle one end inserts in the axle sleeve 22 that tubular spool end arranges, and contacts by spheroid between Flow-rate adjustment axle and the tubular spool to be connected.Rotate adjustment component and be provided with worm gear 6, worm screw 5, gear 8, gear shaft 3, gear is connected with the axle sleeve of tubular spool end by key 7, worm gear is installed on the gear shaft by key 4, the gear shaft two ends are installed with end cap, housing respectively by bearing 2 and are connected, the engagement that is complementary of gear on gear and the gear shaft, worm and wheel is complementary.
By regulating the tubular spool position, can change the overlapping area of spool air distribution hole and valve body air distribution hole.Thereby rotate worm and gear gear shaft and gear drive drive tubular spool are circumferentially rotated, such as Fig. 4, shown in Figure 5, spool air distribution hole aperture frontal projected area is that m * a(m is the length of spool air distribution hole aperture projection, and a is the length of side of valve body air distribution hole orthographic projection).And spool master pore projection of shape is rectangle, can guarantee that spool master pore does not block valve body master pore in spool air distribution hole aperture four corner, and namely main stomatal aperture projected area is always a * a.The ratio of binary fluid flow is m * a:a * a=m:a, and m can change in 0-a continuously, thereby realizes that the proportioning ratio is at the 0-100% continuous setup, the final continuous setup fluid-mixing ratio that realizes, institute's proportioning fluid enters valve pocket 20, in the valve pocket Central Collisions, realizes evenly mixing.
The tubular spool can move up and down in threeway shape valve body, realizes changing the total flow of proportioning fluid, and the proportioning constant rate.Such as Fig. 4, shown in Figure 5, when shown position, the ratio of binary fluid flow is m * a:a * a=m:a; Such as Fig. 6, shown in Figure 7, rotary current regulating shaft to the right, by the screw thread on the valve body end cap, the Flow-rate adjustment axle moves axially, and moves down by sphere push tubular spool, spool master pore top and valve body master pore top are at a distance of n, equally, spool air distribution hole top and valve body air distribution hole top be at a distance of n, and then proportioning gas and leading gas ratio are m * (a-n): a * (a-n)=m:a, the proportioning constant rate, and total flow reduces.Otherwise total flow increases.Can reduce friction between Flow-rate adjustment axle and the spool by spheroid, spring can keep the tubular spool to be coupling tactilely with Flow-rate adjustment all the time, and circumferential 180 ° of institute's proportioning fluid enters valve pocket, in the valve pocket Central Collisions, realizes evenly mixing.
Embodiment two
Present embodiment fills the example that is applied as in the binary gas mixing match with the utility model in the bulb filling, and its air-channel system principle as shown in Figure 8.The correlation function parameter of present embodiment specific as follows:
Proportioning gas: Ar(dominates gas), N
2(proportioning gas); Proportioning ratio: Ar is the 85%(mark condition of total flow), N
215%(mark condition for total flow); Adjustment mode: automatically.
The leading gas of two-way input Ar(, 85%, mark condition), N
2(proportioning gas, 15%, the mark condition), single channel respectively by gas storage cylinder to gas inlet tube 32, via ball valve 33, filter 34, decompression venting valve 35, temperature sensor 36, pressure sensor 37, check valve 38, circumferential 180 ° of valve body master pore 19, valve body air distribution holes 16 that are connected in the utility model device.The leading gas of Ar(wherein) meet valve body master pore 19, N
2(proportioning gas) connects valve body air distribution hole 16.Valve pocket 20 proportionings mix all with after, export gaseous mixtures by outlet passageway 24 to escape pipe 30.
System is at gas inlet tube 32 places, and input air pressure is 0.7-1MPa, then is reduced to 0.35-0.4MPa through air pressure behind the decompression venting valve 35, guarantees that the two-way gas atmosphere is consistent, keeps simultaneously the stable of air pressure.System adopts computer control, automatically adjusts.Ratio (Ar:N according to institute's proportioning under the mark condition
2=85:15), the pressure and temperature according to two-way input gas operating mode converts, thus determine spool input air vent openings area.Suppose the rear two-way gas open area ratio Ar:N of pressure and temperature compensation
2=85.1:14.9, computer export signal be to drive motors 39, driven gear 8, gear shaft 3, and the tubular spool 10 that rotates in a circumferential direction, so that spool air distribution hole 17 aperture size m=0.17509a, thereby guarantee proportioning ratio Ar:N under the mark condition
2=85:15.Two-way gas is 180 ° and injects valve body through spool air distribution hole 17, spool master pore 18, in the valve pocket Central Collisions, mixes, by the even gaseous mixture of outlet passageway 24 to escape pipe 30 output proportionings.
Claims (8)
1. fluid proportioning mixing arrangement, comprise valve body, be arranged on inlet channel and outlet passageway on the valve body, place the spool in the valve body, it is characterized in that, described valve body is threeway shape valve body (13), threeway shape valve body is comprised of the housing (21) at tubular cavity, two inlet channels (23) that are arranged on tubular cavity left-right symmetry position, the outlet passageway (24) that is positioned at the tubular cavity bottom and tubular cavity top, and the junction of two inlet channels and tubular cavity is respectively equipped with valve body air distribution hole (16), valve body master pore (19); Described spool is tubular spool (10), place in the tubular cavity, the tubular spool is provided with valve pocket (20), tubular spool outer wall and tubular cavity inner surface are fitted, and the tubular spool is being respectively equipped with spool master pore (18), spool air distribution hole (17) with valve body master pore, valve body air distribution hole correspondence position; Described housing top is provided with end cap (15), housing is connected by bolt (14) with end cap, be provided with in housing and the end cap and move axially adjustment component, rotate adjustment component, describedly move axially adjustment component, rotate adjustment component and all be connected with tubular spool top, rotate adjustment component and circumferentially rotate the tubular spool, change the aperture of spool air distribution hole, thus the ratio of continuous setup input fluid, move axially adjustment component and move axially the tubular spool, thus the total flow of change proportioning fluid.
2. fluid proportioning mixing arrangement according to claim 1, it is characterized in that, the described adjustment component that moves axially is provided with Flow-rate adjustment axle (1) and spheroid (9), the Flow-rate adjustment axle is positioned at tubular spool top, the Flow-rate adjustment axle is connected in the end cap of housing top by screw thread is interspersed, Flow-rate adjustment axle one end inserts in the axle sleeve (22) that tubular spool end arranges, and contacts by spheroid between Flow-rate adjustment axle and the tubular spool to be connected.
3. fluid proportioning mixing arrangement according to claim 1 and 2, it is characterized in that, described rotation adjustment component is provided with worm gear (6), worm screw (5), gear (8), gear shaft (3), gear is connected with the axle sleeve of tubular spool end by key (7), worm gear is installed on the gear shaft by key (4), the gear shaft two ends are installed with end cap, housing respectively by bearing (2) and are connected, the engagement that is complementary of the gear on gear and the gear shaft, and worm and wheel is complementary.
4. fluid proportioning mixing arrangement according to claim 1 is characterized in that, described valve body master pore, valve body air distribution hole equal and opposite in direction, and it is shaped as square and passes through mutually with the face of cylinder, and orthographic projection is square.
5. according to claim 1 or 4 described fluid proportioning mixing arrangements, it is characterized in that, the cuboid that is shaped as of described spool master pore passes through mutually with the face of cylinder, orthographic projection is rectangle, rectangle length is 2.1-2.4 times of the valve body master pore orthographic projection length of side, length direction is along tubular spool circumferencial direction, and width is 1.1-1.3 times of the valve body master pore orthographic projection length of side.
6. according to claim 1 or 4 described fluid proportioning mixing arrangements, it is characterized in that the square that is shaped as of described spool air distribution hole passes through mutually with the face of cylinder, orthographic projection is square, the square length of side be the valve body air distribution hole orthographic projection length of side 1.1-1.3 doubly.
7. fluid proportioning mixing arrangement according to claim 1 is characterized in that, the bottom of described tubular spool places valve body outlet passageway place by spring (11), is provided with sealing strip (12) between the top of tubular spool and the valve interior wall.
8. fluid proportioning mixing arrangement according to claim 1, it is characterized in that, center, the hole axial location of described valve body air distribution hole, valve body master pore, spool master pore, spool air distribution hole is positioned on the same section perpendicular to threeway shape valve body center line, in the spool air distribution hole aperture four corner, valve body master pore standard-sized sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220435057.0U CN202823191U (en) | 2012-08-30 | 2012-08-30 | Fluid proportioning and mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220435057.0U CN202823191U (en) | 2012-08-30 | 2012-08-30 | Fluid proportioning and mixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202823191U true CN202823191U (en) | 2013-03-27 |
Family
ID=47934992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220435057.0U Expired - Lifetime CN202823191U (en) | 2012-08-30 | 2012-08-30 | Fluid proportioning and mixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202823191U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477108A (en) * | 2021-04-29 | 2021-10-08 | 中冶长天国际工程有限责任公司 | Air-oxygen mixer for oxygen-enriched ignition and control method thereof |
| CN113615927A (en) * | 2021-08-25 | 2021-11-09 | 深圳市时尚发光科技有限公司 | Intelligent shoe with self-disinfection function |
-
2012
- 2012-08-30 CN CN201220435057.0U patent/CN202823191U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477108A (en) * | 2021-04-29 | 2021-10-08 | 中冶长天国际工程有限责任公司 | Air-oxygen mixer for oxygen-enriched ignition and control method thereof |
| CN113477108B (en) * | 2021-04-29 | 2022-06-07 | 中冶长天国际工程有限责任公司 | Air-oxygen mixer for oxygen-enriched ignition and control method thereof |
| CN113615927A (en) * | 2021-08-25 | 2021-11-09 | 深圳市时尚发光科技有限公司 | Intelligent shoe with self-disinfection function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |