CN208975732U - A kind of gas mixer - Google Patents
A kind of gas mixer Download PDFInfo
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- CN208975732U CN208975732U CN201821148036.4U CN201821148036U CN208975732U CN 208975732 U CN208975732 U CN 208975732U CN 201821148036 U CN201821148036 U CN 201821148036U CN 208975732 U CN208975732 U CN 208975732U
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- air inlet
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- 239000007789 gas Substances 0.000 claims abstract description 108
- 238000005192 partition Methods 0.000 claims description 25
- 238000010992 reflux Methods 0.000 claims description 24
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 235000013305 food Nutrition 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 235000021060 food property Nutrition 0.000 description 1
- 235000021022 fresh fruits Nutrition 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000004047 hole gas Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Abstract
This application provides a kind of gas mixers, including a pair of of pressure regulator valve, the import of one pressure regulator valve is connected to by shut-off valve with corresponding gas tank, the outlet of one pressure regulator valve is connected to by proportioning valve with the first air inlet pipe of the tank body of gas mixing tank, the outlet of another pressure regulator valve is connected to by flow valve with the second air inlet pipe of tank body, the outlet side of the escape pipe of tank body is equipped with a shut-off valve, tank body is equipped with a pressure sensor, wherein, Choked flow cover and wind wheel are equipped in tank body, Choked flow cover is fixed on the outlet side of the second air inlet pipe, Choked flow cover is equipped with several stomatas, wind wheel is articulated on the outer end of the Choked flow cover, wind wheel rotation can be driven to mix two kinds of gases by the gas that the first air inlet pipe flows into.Gas mixer provided by the present application can realize the proportion adjustment of two kinds of gas, and gas mixing uniformity is good.
Description
Technical field
The utility model relates to a kind of food air conditioned packaging facilities, more particularly to a kind of gas mixer.
Background technique
Gas-control packing device is to replace packing box using composite fresh-keeping gas (2~3 kinds of gases are matched by food properties and mixed)
Or the air in packaging bag, change the external environment of food in wrapper, reaches the growth procreation for inhibiting bacterium, microorganism, subtract
The rate of metabolism of slow fresh fruit of vegetables, to extend the insurance period or shelf life of food.Present air conditioning packaging equipment is general
It is all be unable to do without gas mixer, which is that the bottled single variety classes gas that supply station is provided proportionally mixes, such as
Fruit directly buys that gaseous mixture is not only at high price, and desired gas ratio is also fixed, and client oneself can not change gas at any time
Ratio.In conclusion it is adjustable how to develop a gas ratio, and the uniform gas mixer of gas mixing is this
Field technical staff's urgent problem.
Utility model content
The purpose of the utility model is to provide a kind of gas mixer, the ratio of gas mixture fixation for solving purchase is made
At the small problem of the scope of application.
In order to solve the above technical problems, the utility model provides the following technical solutions:
A kind of gas mixer, including a pair of of pressure regulator valve, the air inlet of a pressure regulator valve are connected to corresponding gas tank respectively,
The gas outlet of a pair of of pressure regulator valve is connected to by proportioning valve with the air inlet of a shut-off valve, and the gas outlet of another pressure regulator valve passes through flow
Valve connect logical with the air inlet of the shut-off valve；
When work, a pair of of pressure regulator valve is controlled by microcomputer controller to control the pressure of two kinds of gas, Yi Zhongqi first
Body is flowed out through the flow valve, and the flow valve real-time monitoring flow velocity simultaneously conveys information to microcomputer controller, micro- electricity
The ratio value size dynamic of brain controller combination setting controls the flow of the proportioning valve to realize the mixing of two kinds of gas.
It further, further include gas mixing tank, the first air inlet pipe of the proportioning valve and the tank body of gas mixing tank connects
Logical, the flow valve is connected to the second air inlet pipe of the tank body, and going out for the escape pipe of the tank body is arranged in the shut-off valve
On gas end, Choked flow cover and wind wheel are equipped in the tank body, the Choked flow cover is fixed at the outlet side of second air inlet pipe
On, the Choked flow cover is equipped with several stomatas, and the wind wheel is articulated on the outer end of the Choked flow cover, by described first into
The gas that tracheae flows into can drive the wind wheel rotation to mix two kinds of gases, wherein the front of the blade of the wind wheel
Several inclined plates are equipped with, the tank body is equipped with a pressure sensor.
Further, first partition is additionally provided in the tank body, before the inner cavity of the tank body is divided by the first partition
The ante-chamber is connected to by chamber and back cavity, the channel that the first partition is equipped with several annular spreads with back cavity, the choked flow
Cover and wind wheel are respectively positioned in the ante-chamber.
Further, the inner wall of the tank body is equipped with number windmill identical with the number of active lanes, by described
The gas in channel can drive corresponding Windmill rotary.
Further, the gas mixing tank further includes one in horn-like pilot sleeve and reflux assembly, described to lead
It is fixedly connected on to the small end of sleeve on the one side of the first partition, one end of the reflux assembly is fixed at described
On the inner wall of tank body, the other end of the reflux assembly is extend into the pilot sleeve, and the windmill is located at the guide sleeve
The outer ring of cylinder.
Further, the inner wall of the big end of the pilot sleeve be equipped with several annular equally distributed second every
Plate forms skewed slot between adjacent second partition, is kept out on the periphery of the reflux assembly on the inside of the second partition.
Further, the reflux assembly includes loudspeaker conic tube, and the big end of the loudspeaker conic tube is fixedly connected on
On the inner wall of the tank body, the small end of the loudspeaker conic tube is extend into the pilot sleeve, the loudspeaker conic tube it is small
The outer wall at end is equipped with several equally distributed U-lags of annular, keeps out on the inside of the second partition in the loudspeaker cone cylinder
On the periphery of body.
Further, the inner wall of the loudspeaker conic tube is equipped with several hook plates, the big end of the loudspeaker conic tube
It is equipped with a baffle, the baffle is equipped with several air jet pipes being connected to the inner cavity of the loudspeaker conic tube.
Further, the air jet pipe is a blind pipe, and the side wall of the blind pipe is equipped with the logical of several Spiral distributions
Hole.
Further, the gas mixing tank further includes the movable part on several inner walls that the tank body is arranged in,
The movable part is between the reflux assembly and the escape pipe.
Further, the movable part includes fixed link and gimbal plate, and one end of the fixed link is fixedly connected on institute
It states on the inner wall of tank body, the bulb in the gimbal plate is set and is cooperated with the spherical set on the other end of the fixed link
Connection, wherein the gimbal plate is equipped with several curved grooves being sequentially distributed, and the curved groove runs through the two of the gimbal plate
Side.
It can be seen from above-mentioned technical proposal the utility model has the following beneficial effects: due to be equipped with a pair of of pressure regulator valve,
Proportioning valve and flow valve can be adjusted the ratio of two kinds of gases, applied widely, due to being equipped with gas mixing tank, make gas
Body is uniformly mixed, and is made displacement to each packing box or the ratio uniform of two kinds of gas in each packaging bag, is kept packaging quality steady
It is fixed, reliable.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the principles of the present invention schematic diagram.
Fig. 2 is the structural schematic diagram of the gas mixing tank of the utility model.
Fig. 3 is the side view of the pilot sleeve of the gas mixing tank of the utility model.
Fig. 4 is the structural schematic diagram of the reflux assembly of the gas mixing tank of the utility model.
Fig. 5 is the schematic perspective view of the air jet pipe of the reflux assembly of the utility model.
Fig. 6 is the structural schematic diagram of the movable part of the gas mixing tank of the utility model.
Description of symbols: pressure regulator valve 1, proportioning valve 2, flow valve 3, gas mixing tank 4, tank body 41, the first air inlet pipe
411, the second air inlet pipe 412, escape pipe 413, Choked flow cover 42, stomata 421, wind wheel 43, blade 431, inclined plate 432, first partition
44, channel 441, windmill 45, pilot sleeve 46, second partition 461, skewed slot 462, reflux assembly 47, loudspeaker conic tube 471, U
Shape slot 4711, hook plate 472, baffle 473, air jet pipe 474, through-hole 4741, movable part 48, fixed link 481, spherical set 4811, ten thousand
To plate 482, bulb 4821, curved groove 4822, shut-off valve 5, pressure sensor 6.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
The application is described further below with reference to Fig. 1 to Fig. 6, a kind of gas mixer as shown in Figure 1, including
The air inlet of a pair of of pressure regulator valve 1, a pair of of pressure regulator valve 1 is connected to corresponding gas tank, and the gas outlet of a pressure regulator valve 1 passes through proportioning valve 2
It is connected to the air inlet of a shut-off valve 5, the gas outlet of another pressure regulator valve 1 passes through the air inlet of flow valve 3 and the shut-off valve 5
Connection is logical；When work, a pair of of pressure regulator valve 1 is controlled by microcomputer controller to control the pressure of two kinds of gas, Yi Zhongqi first
Body is flowed out through the flow valve 3, and the 3 real-time monitoring flow velocity of flow valve simultaneously conveys information to microcomputer controller, described micro-
The ratio value size dynamic of computer controller combination setting controls the flow of the proportioning valve 2 to realize the mixing of two kinds of gas.
The gas mixer further includes gas mixing tank 4, and the of the proportioning valve 2 and the tank body 41 of gas mixing tank 4
The connection of one air inlet pipe 411, the flow valve 3 are connected to the second air inlet pipe 412 of the tank body 41, and the setting of shut-off valve 5 exists
On the outlet side of the escape pipe 413 of the tank body 41, Choked flow cover 42 and wind wheel 43, the Choked flow cover 42 are equipped in the tank body 41
It is fixed on the outlet side of second air inlet pipe 412, the Choked flow cover 42 is equipped with several stomatas 421, the wind
Wheel 43 is articulated on the outer end of the Choked flow cover 42, can drive the wind wheel by the gas that first air inlet pipe 411 flows into
43 rotations mix two kinds of gases, and two kinds of gases, which enter in tank body 41 be sufficiently mixed, to be made uniformly, then to pass through again
Escape pipe 413 is replaced into packing box or packaging bag, it is ensured that the gas ratio in every box or every bag mixes, and makes packaging quality can
It leans on, wherein the front of the blade 431 of the wind wheel 43 is equipped with several inclined plates 432, and the tank body 41 is passed equipped with a pressure
Sensor 6 judges whether the gas in gas tank is sufficient by the detected value of the pressure sensor 6.
As shown in Fig. 2, being equipped with Choked flow cover 42, wind wheel 43 and first partition 44 in the tank body 41, the Choked flow cover 42 is solid
Surely be located on the outlet side of second air inlet pipe 412, the Choked flow cover 42 be equipped with several stomatas 421, described first
Partition 44, which is arranged on the inner wall of the tank body 41, is divided into ante-chamber and back cavity, the first partition 44 for the inner cavity of the tank body 41
The ante-chamber is connected to by the channel 441 for being equipped with several annular spreads with back cavity, and the wind wheel 43 is articulated in the Choked flow cover
Between 42 outer end and the first partition 44, the wind wheel 43 can be driven by the gas that first air inlet pipe 411 flows into
Rotation mixes two kinds of gases, wherein the Choked flow cover 42 and wind wheel 43 are respectively positioned in the ante-chamber, the wind wheel 43
The front of blade 431 is equipped with several inclined plates 432, and the inclined plate 432 is used to accelerate the diffusion and mixing of gas.
The inner wall of the tank body 41 is equipped with number and the same number of windmill 45 in the channel 441, passes through the channel
441 gas can drive the corresponding rotation of windmill 45 to accelerate the agitation of gas, keep gas mixing speed fast.
The gas mixing tank 4 further includes one in horn-like pilot sleeve 46 and reflux assembly 47, the pilot sleeve
46 small end is fixedly connected on the one side of the first partition 44, and one end of the reflux assembly 47 is fixed at described
On the inner wall of tank body 41, the other end of the reflux assembly 47 is extend into the pilot sleeve 46, and the windmill 45 is located at institute
The outer ring for stating pilot sleeve 46, the gas after being stirred by the windmill 45 pass through the pilot sleeve 46 and the reflux assembly
Reflux is realized in gap between 47, and the gas after reflux is flowed by the reflux assembly 47 to 413 direction of escape pipe.
As shown in Figures 2 and 3, the inner wall of the big end of the pilot sleeve 46 is equipped with several annulars equally distributed the
Two partitions 461 form skewed slot 462 between adjacent second partition 461, and the inside of the second partition 461 is kept out at described time
On the periphery for flowing component 47, gas makes gas spiral advance by several skewed slots 462, makes gas mixing more evenly.
As shown in Figure 2, Figure 3 and Figure 4, the reflux assembly 47 includes loudspeaker conic tube 471, the loudspeaker conic tube 471
Big end be fixedly connected on the inner wall of the tank body 41, the small end of the loudspeaker conic tube 471 extend into the pilot sleeve
In 46, the outer wall of the small end of the loudspeaker conic tube 471 is equipped with several equally distributed U-lags 4711 of annular, and described the
The inside of two partitions 461 is kept out on the periphery of the loudspeaker conic tube 471, enters the loudspeaker by the U-lag 4711
The gas that gas in conic tube 471 will be entered in the loudspeaker conic tube 471 by the small end of the loudspeaker conic tube 471
Body is washed open, and gas molecule motion is accelerated.
As shown in Figure 4 and Figure 5, the inner wall of the loudspeaker conic tube 471 is equipped with several hook plates 472, the hook plate 472
A part of gas is prevented to be equipped with a baffle quickly through come the big end of the mixing of realizing gas, the loudspeaker conic tube 471
473, the baffle 473 is equipped with several air jet pipes 474 being connected to the inner cavity of the loudspeaker conic tube 471, wherein institute
Stating air jet pipe 474 is a blind pipe, and the side wall of the blind pipe is equipped with the through-hole 4741 of several Spiral distributions, passes through the through-hole
Gas flowing of 4741 gas-powered between the reflux assembly 47 and the escape pipe 413 makes to be uniformly mixed.
As shown in Figure 2 and Figure 6, the gas mixing tank 4 further includes that several are arranged on the inner wall of the tank body 41
Movable part 48, between the reflux assembly 47 and the escape pipe 413, the movable part 48 includes the movable part 48
Fixed link 481 and gimbal plate 482, one end of the fixed link 481 are fixedly connected on the inner wall of the tank body 41, are arranged in institute
The bulb 4821 stated in gimbal plate 482 is cooperatively connected with the spherical set 4811 on the other end of the fixed link 481,
In, the gimbal plate 482 is equipped with several curved grooves 4822 being sequentially distributed, and the curved groove 4822 runs through the gimbal plate
482 two sides.Will drive the gimbal plate 482 when gas flowing, arbitrarily swing stirs gas, realizes that mixing is equal
It is even.
The principle of device controls the pressure that a pair of of pressure regulator valve 1 controls 2 kinds of gas by microcomputer program, and gas is through flow valve
3 outflows enter in tank body 41, and 3 real-time monitoring flow velocity of flow valve simultaneously conveys information to microcomputer controller, and controller combines
Setting ratio value size dynamic controls the flow of proportioning valve 2 to realize the ratio mixing of 2 kinds of gases.The device compares existing foreign countries
Device structure it is simply easy to maintain, mixed precision high-performance is stablized, and has also broken what this technology was monopolized for a long time by overseas enterprise
Status, and can be realized and continuously supply gas, work efficiency is high, wherein the inlet end of a pair of of pressure regulator valve 1 is respectively provided with a shut-off valve 5 certainly
The on-off of dynamic control gas tank gas supply, it is easy to use.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of gas mixer, which is characterized in that including a pair of of pressure regulator valve (1), the air inlet of a pair of of pressure regulator valve (1) is distinguished
It is connected to corresponding gas tank, the gas outlet of a pressure regulator valve (1) is connected to by proportioning valve (2) with the air inlet of a shut-off valve (5), separately
The gas outlet of one pressure regulator valve (1) is connect by flow valve (3) with the air inlet of the shut-off valve (5) logical；
When work, a pair of of pressure regulator valve (1) is controlled by microcomputer controller to control the pressure of two kinds of gas, a kind of gas first
It is flowed out through the flow valve (3), flow valve (3) the real-time monitoring flow velocity simultaneously conveys information to microcomputer controller, described
The ratio value size dynamic of microcomputer controller combination setting controls the flow of the proportioning valve (2) to realize the mixed of two kinds of gases
It closes.
2. gas mixer according to claim 1, which is characterized in that further include gas mixing tank (4), the ratio
Valve (2) is connected to the first air inlet pipe (411) of the tank body (41) of gas mixing tank (4), the flow valve (3) and the tank body
(41) the second air inlet pipe (412) connection, the outlet of escape pipe (413) of shut-off valve (5) setting in the tank body (41)
On end, Choked flow cover (42) and wind wheel (43) are equipped in the tank body (41), the Choked flow cover (42) is fixed at described second
On the outlet side of air inlet pipe (412), the Choked flow cover (42) is equipped with several stomatas (421), and the wind wheel (43) is articulated in
On the outer end of the Choked flow cover (42), the wind wheel (43) can be driven to revolve by the gas that first air inlet pipe (411) flows into
Turning to mix two kinds of gases, wherein the front of the blade (431) of the wind wheel (43) is equipped with several inclined plates (432),
The tank body (41) is equipped with a pressure sensor (6).
3. gas mixer according to claim 2, which is characterized in that be additionally provided with first partition in the tank body (41)
(44), the inner cavity of the tank body (41) is divided into ante-chamber and back cavity by the first partition (44), is set on the first partition (44)
There is the channel (441) of several annular spreads to be connected to the ante-chamber with back cavity, the Choked flow cover (42) and wind wheel (43) equal position
In in the ante-chamber.
4. gas mixer according to claim 3, which is characterized in that the inner wall of the tank body (41) is equipped with number
With the channel (441) the same number of windmill (45), corresponding windmill (45) can be driven by the gas of the channel (441)
Rotation.
5. gas mixer according to claim 4, which is characterized in that the gas mixing tank (4) further includes one being in
Horn-like pilot sleeve (46) and reflux assembly (47), the small end of the pilot sleeve (46) be fixedly connected on described first every
On the one side of plate (44), one end of the reflux assembly (47) is fixed on the inner wall of the tank body (41), and described time
The other end of stream component (47) is extend into the pilot sleeve (46), and the windmill (45) is located at the pilot sleeve (46)
Outer ring.
6. gas mixer according to claim 5, which is characterized in that the inner wall of the big end of the pilot sleeve (46)
Several equally distributed second partitions (461) of annular are equipped with, form skewed slot (462) between adjacent second partition (461),
It is kept out on the periphery of the reflux assembly (47) on the inside of the second partition (461).
7. gas mixer according to claim 6, which is characterized in that the reflux assembly (47) includes loudspeaker cone cylinder
The big end of body (471), the loudspeaker conic tube (471) is fixedly connected on the inner wall of the tank body (41), the loudspeaker cone cylinder
The small end of body (471) is extend into the pilot sleeve (46), the loudspeaker conic tube (471) if the outer wall of small end be equipped with
The equally distributed U-lag (4711) of annular is done, is kept out on the inside of the second partition (461) in the loudspeaker conic tube
(471) on periphery.
8. gas mixer according to claim 7, which is characterized in that on the inner wall of the loudspeaker conic tube (471)
Equipped with several hook plates (472), the big end of the loudspeaker conic tube (471) is equipped with a baffle (473), the baffle (473)
Several air jet pipes (474) being connected to the inner cavity of the loudspeaker conic tube (471) are equipped with, the air jet pipe (474) is one
Blind pipe, the side wall of the blind pipe are equipped with the through-hole (4741) of several Spiral distributions.
9. gas mixer according to claim 5, which is characterized in that the gas mixing tank (4) further includes several
It is a that movable part (48) on the inner wall of the tank body (41) is set, the movable part (48) be located at the reflux assembly (47) and
Between the escape pipe (413).
10. gas mixer according to claim 9, which is characterized in that the movable part (48) includes fixed link
(481) it is fixedly connected on the inner wall of the tank body (41) with gimbal plate (482), one end of the fixed link (481), setting exists
Bulb (4821) on the gimbal plate (482) is matched with the spherical set (4811) on the other end of the fixed link (481)
Close connection, wherein the gimbal plate (482) is equipped with several curved grooves (4822) being sequentially distributed, the curved groove
(4822) run through the two sides of the gimbal plate (482).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821148036.4U CN208975732U (en) | 2018-07-19 | 2018-07-19 | A kind of gas mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821148036.4U CN208975732U (en) | 2018-07-19 | 2018-07-19 | A kind of gas mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208975732U true CN208975732U (en) | 2019-06-14 |
Family
ID=66780184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821148036.4U Active CN208975732U (en) | 2018-07-19 | 2018-07-19 | A kind of gas mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208975732U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108722306A (en) * | 2018-07-19 | 2018-11-02 | 温州达盛智能设备有限公司 | A kind of gas mixer |
| CN112604597A (en) * | 2020-12-09 | 2021-04-06 | 河南理工大学 | High-low concentration gas mixing device and using method thereof |
| CN112978682A (en) * | 2021-04-26 | 2021-06-18 | 山东金宜善新材料有限公司 | Equipment assembly for promoting full combustion of sulfur |
-
2018
- 2018-07-19 CN CN201821148036.4U patent/CN208975732U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108722306A (en) * | 2018-07-19 | 2018-11-02 | 温州达盛智能设备有限公司 | A kind of gas mixer |
| CN112604597A (en) * | 2020-12-09 | 2021-04-06 | 河南理工大学 | High-low concentration gas mixing device and using method thereof |
| CN112604597B (en) * | 2020-12-09 | 2023-04-07 | 河南理工大学 | High-low concentration gas mixing device and using method thereof |
| CN112978682A (en) * | 2021-04-26 | 2021-06-18 | 山东金宜善新材料有限公司 | Equipment assembly for promoting full combustion of sulfur |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 501, Building 11, Science and Technology Innovation Intelligent Center, Nanbaixiang Street, Ouhai District, Wenzhou City, Zhejiang Province, 325000 Patentee after: Zhejiang Dasheng Intelligent Equipment Co.,Ltd. Address before: Room 2611-A, Building 2, Incubator, Wenzhou National University Science and Technology Park, No. 38 Dongfang South Road, Ouhai Economic Development Zone, Wenzhou City, Zhejiang Province, 325000 Patentee before: WENZHOU DASHENG INTELLIGENT EQUIPMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |