CN105749775B - Gas-liquid mixing device - Google Patents
Gas-liquid mixing device Download PDFInfo
- Publication number
- CN105749775B CN105749775B CN201610150184.9A CN201610150184A CN105749775B CN 105749775 B CN105749775 B CN 105749775B CN 201610150184 A CN201610150184 A CN 201610150184A CN 105749775 B CN105749775 B CN 105749775B
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- Prior art keywords
- core
- gas
- input
- mixing device
- liqiud
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000007788 liquid Substances 0.000 title claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 44
- 239000000203 mixture Substances 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/712—Feed mechanisms for feeding fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F2035/35—Use of other general mechanical engineering elements in mixing devices
- B01F2035/351—Sealings
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The invention discloses a gas-liquid mixing device which comprises an input part, a mixing cavity, a switch part and a switch controller. The input part is provided with a plurality of input channels communicated with the mixing cavity, each input channel is provided with an input interface for liquid or gas to enter, an impeller and a one-way valve are sequentially arranged in each input channel, and the transmission mechanism drives the impeller through a rotating shaft. The switch part comprises a shell with an accommodating cavity in the middle, and at least one output interface communicated with the accommodating cavity is arranged on the shell; the rotary core is provided with a middle cavity, the middle part or the bottom of the middle cavity is provided with a sealing plate, the rotary core is provided with a discharge hole which can be communicated with the output interface, and the discharge hole is communicated with the middle cavity; a knob fixedly connected at the lower end of the rotary core. The invention has the advantages of simple structure, safety, reliability, wide application range, better application prospect and the like.
Description
Technical field
The present invention relates to a kind of mixing arrangement, more particularly, to a kind of Liqiud-gas mixing device.
Background technology
All trades and professions produce and using needing, need in proportion to mix several gases often, or the mixing of several liquid,
Even by liquid and gas mixing.And existing mixing arrangement or switching device, one is that can not ensure gas or liquid mixing
Uniformly, two be that security is not high, easily occurs gas or liquid leakage, if poisonous, flammable explosive gas or liquid, then safety
Property for must take into consideration first the problem of.For this reason, it is necessary to provide a kind of safe, well mixed and wide adaptation range gas-liquid
Mixing arrangement.
The content of the invention
To solve the above-mentioned technical problem that prior art is present, the present invention proposes a kind of safe, well mixed and suitable
The Liqiud-gas mixing device that scope is wide is answered, it is simple in construction, safe and reliable.
The present invention adopts the following technical scheme that realization：A kind of Liqiud-gas mixing device, including input unit, connect with input unit
Hybrid chamber, the switch portion for connecting hybrid chamber and the switch controller being arranged between hybrid chamber and switch portion；
Input unit includes：Multiple input channels with connection hybrid chamber, each input channel is respectively provided with one for liquid
Or the input interface that gas enters；It is sequentially provided with impeller and check valve in each input channel, impeller is fixed on the of rotary shaft
One end, and the second end of rotary shaft connection transmission mechanism；
Switch portion includes：Middle part has the housing of accommodating chamber, and output of the housing provided with least one connection accommodating chamber connects
Mouthful；A core is arranged among accommodating chamber, core has the middle part or bottom of central cavity and the central cavity close with one
Shrouding, and core, provided with that can connect the tap of output interface, the tap connects central cavity；It is fixedly connected under core
The knob of end；
Switch controller is arranged between the upper end of core and hybrid chamber, and switch controller includes magnetic valve and connection
In the sealing gasket of the electromagnet lower end of magnetic valve, the valve seal of magnetic valve is fixed on housing, and electromagnet passes through sealing
Pad is sealably coupled the upper end of core.
Wherein, transmission mechanism includes the first motor and at least one gear train being connected with the first motor, each organizes tooth
Taking turns includes the first gear and second gear of engagement connection, and first gear is led to two adjacent inputs respectively with second gear
The second end of respective rotary shaft is connected in road.
Wherein, water-sealed bearing is respectively equipped with the cavity wall of each input channel, the second end of rotary shaft passes through waterproof axle
Hold and be connected with transmission mechanism.
Wherein, the dividing plate with through hole is respectively provided with each input channel, the dividing plate is located between impeller and check valve, and
The aperture of through hole is less than the aperture of input channel.
Wherein, the profile of the core and the shape of accommodating chamber are consistent, and the profile of core is cylindric or circular cone tubular.
Wherein, switch controller also includes the stage clip being set on the movable push rod of magnetic valve.
Wherein, the pressure and one or more sensors of flow velocity for being used for detecting gas or liquid are provided with hybrid chamber.
Compared with prior art, the present invention has the advantages that：
Liqiud-gas mixing device proposed by the present invention, is determined that the impeller in different input channels is different by transmission mechanism and turned
Speed so that the mixed proportion for the gas/liquid that convenient regulation passes through each input channel, and by impeller accelerate and supercharging at
Reason, not only enables multiple gases/liquid more mix evenly, moreover it is possible to meet mixed gas/liquid to output in produce reality
Flow velocity, pressure etc. require that and the present invention can not only mix multiple gases or plurality of liquid, can also mix gas with liquid
Close.In addition, the biswitch design of switch portion of the present invention and switch controller, only when the core of switch portion turns to first position
And switch controller is opened, mixed gas/liquid could be discharged from output interface, even if the sealing effectiveness of switch controller
The failure of not good or core, all without the leakage that there is gas/liquid, therefore the present invention is safe and reliable, is especially suitable for inflammable, Yi Hui
The danger such as hair or the higher gas/liquid mixed processing of security, wide adaptation range, with preferred application prospect.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
As shown in figure 1, the present invention proposes a kind of safe, well mixed and wide adaptation range Liqiud-gas mixing device,
The hybrid chamber 2 that is respectively communicated with including the input unit with multiple input channels, with each input channel of input unit, it is connected mixing
The switch portion of chamber 2 and the switch controller for controlling hybrid chamber 2 whether to be connected with switch portion, the switch controller are arranged on
Between hybrid chamber 2 and switch portion.
Further illustrated below so that input unit has 2 input channels as an example.Input unit includes：With being easy to liquid or gas
First input channel 11 of the first input interface 111 that body enters and with the second input interface for being easy to liquid or gas to enter
121 the second input channel 12, the first input channel 11 and the second input channel 12 connect hybrid chamber 2；It is successively set on
The first impeller 113 and the first check valve 116 in one input channel 11, are successively set on the second leaf in the second input channel 12
The check valve 126 of wheel 123 and second；First impeller 113 and the second impeller 123 are separately fixed at the first end of the first rotary shaft 114
On the first end of end and the second rotary shaft 124, and the of the second end of the first rotary shaft 114 and the second rotary shaft 124
The first input channel 11 and the second input are extended by the first water-sealed bearing 115 and the second water-sealed bearing 125 respectively in two ends
Passage 12, the water-sealed bearing 125 of the first water-sealed bearing 115 and second is separately fixed in the cavity wall of the first input channel 11 and
In the cavity wall of two input channels 12；It is provided between the second end of the second end of first rotary shaft 114 and the second rotary shaft 124
Transmission mechanism, the transmission mechanism includes being connected to the first gear 131 of the second end of the first rotary shaft 114 and is connected to second
The second gear 132 of the second end of rotary shaft 124, the first gear 131 is connected with the engagement of second gear 131, and transmission
The first motor 133 that axle is connected with the second end of the first rotary shaft 114 or the second end of the second rotary shaft 124.
When first motor 133 works, the first impeller 113 and the are driven by first gear 131 and second gear 131 respectively
Two impellers 123 are rotated, respectively from the first input interface 111, the second input interface 121 enter gas or liquid be able to supercharging,
Speedup processing, acceleration drains into hybrid chamber 2 from the first input channel 11 and the second input channel 12.Therefore in order that gas or liquid exist
More preferable pressurized effect is played in first input channel 11 and the second input channel 12, being set in the first input channel 11 has
First dividing plate 117 of first through hole 118, the first dividing plate 117 is located between the first impeller 113 and the first check valve 116, and first
The aperture of through hole 118 is less than the aperture of the first input channel 11；Being set in the second input channel 12 has the second through hole
128 second partition 127, second partition 127 is located between the second impeller 123 and the second check valve 126, and the second through hole 128
Aperture be less than the second input channel 12 aperture.
If also, the first impeller 113 and the second impeller 123 is in the same size, by setting first gear 131 and second
The radius ratio a of gear 132, so as to set the rotating ratio between the first rotary shaft 114 and the second rotary shaft 124 to be also a, enters
And the first impeller 113 is logical by the input of the gas or liquid that enter from the first input interface 111 discharge first in the setting unit time
The gas or liquid that enter from the second input interface 121 are discharged the second input channel 12 by the volume in road 11 with the second impeller 123
Volume between ratio also be a.Therefore, according to the mixed proportion between the gas or liquid that can need mixing, selection pair
The radius ratio of the first gear 131 answered and second gear 132, convenient use.
Only it is described in detail above by taking 2 input channels as an example.Certainly, according to actual needs, input unit can have
There is the rotary shaft that respective wheel rotation is driven in the input channel of more than 2, two neighboring input channel respectively by one group of tooth
Wheel engagement is connected, and the impeller in each input channel is synchronized with the movement under the drive of the first motor 133.
In addition, provided with the pressure and one or more sensors 21 of flow velocity for detecting gas or liquid in hybrid chamber 2.
Switch portion includes：Middle part has the housing 31 of accommodating chamber 32, and switch controller is arranged on accommodating chamber 32 and hybrid chamber 2
Between, and output interface 33 of the housing 31 provided with least one connection accommodating chamber 32；One is arranged among accommodating chamber 32 to turn
Core 34, core 34 has central cavity, and the profile of the core 34 is consistent with accommodating chamber 32, and the profile of core 34 is generally cylindrical shape
Or circular cone tubular, the middle part of core 34 or bottom have the tap that central cavity is communicated with a sealing plate 341, core 34
344, when core 34 is in first position in accommodating chamber 32, tap 344 is partly or entirely overlapped with output interface 33, and
When core 34 is in the second place in accommodating chamber 32, tap 344 is with output interface 33 without any intersection；It is fixedly connected
The knob 342 of the lower end of core 34.
Switch controller is arranged between the upper end of core 34 and hybrid chamber 2, and switch controller includes magnetic valve, is arranged
Stage clip 41 on the movable push rod of magnetic valve and be connected to magnetic valve the lower end of electromagnet 422 sealing gasket 43, magnetic valve
The sealing of valve body 421 be fixed on housing 31, electromagnet 422 connects the upper end of core 34, and sealing gasket by sealing gasket 43
43 are sealably coupled the central cavity (the upper end for sealing core 34) of core 34.
The operation principle of the present invention is as follows：First input channel of the first input interface 111 that the first liquid/gas enters
11, the second input channel 12 of the second input interface 121 that second liquid/gas enters；Core 34 is made in appearance by knob 342
Receive when turning to first position from the second place in chamber 32, start the first motor 133 and electric, the first motor 133 that obtains magnetic valve
Drive the first impeller 113 to be rotated with the second impeller 123 by transmission mechanism, make the first liquid/gas, second liquid/gas equal
Be able to be pressurized and speedup processing after mixed into hybrid chamber 2, now electromagnet 422 drive sealing gasket 43 close to magnetic valve valve body
421 motions, sealing gasket 43 no longer seals the upper end of core 34, so that mixed gas/liquid entrance turns in hybrid chamber 2
After the central cavity of core 34, then discharged from output interface 33 by the tap 344 on core 34.Pass through knob 342 conversely, working as
When the core 34 is turned to the second place from first position in accommodating chamber 32, stop the first motor 133 and make magnetic valve dead electricity,
Now electromagnet 422 is tightly connected the upper end of core 34 by sealing gasket 43, and the elastic force that stage clip 41 is produced can ensure that electromagnetism
Iron 422 is pressed on the path between central cavity of the upper end of core 34 thoroughly to block hybrid chamber 2 and core 34, and makes
One motor 133 is stopped so that gas or liquid do not enter back into hybrid chamber 2.
Liqiud-gas mixing device proposed by the present invention, is determined that the impeller in different input channels is different by transmission mechanism and turned
Speed so that the mixed proportion for the gas/liquid that convenient regulation passes through each input channel, and by impeller accelerate and supercharging at
Reason, not only enables multiple gases/liquid more mix evenly, moreover it is possible to meet mixed gas/liquid to output in produce reality
Flow velocity, pressure etc. require that and the present invention can not only mix multiple gases or plurality of liquid, can also mix gas with liquid
Close.In addition, the biswitch design of switch portion of the present invention and switch controller, only when the core 34 of switch portion turns to first position
When and switch controller open, mixed gas/liquid could be discharged from output interface 33, even if the sealing of switch controller
Effect is not good or core 34 fails, and all without the leakage that there is gas/liquid, therefore the present invention is safe and reliable, is especially suitable for easy
The danger such as combustion, volatile or the higher gas/liquid mixed processing of security, wide adaptation range, with preferred application prospect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (7)
1. a kind of Liqiud-gas mixing device, it is characterised in that the hybrid chamber that is connected including input unit, with input unit, be connected hybrid chamber
Switch portion and the switch controller that is arranged between hybrid chamber and switch portion；
Input unit includes：Multiple input channels with connection hybrid chamber, each input channel is respectively provided with one for liquid or gas
The input interface that body enters；Impeller and check valve are sequentially provided with each input channel, impeller is fixed on the first end of rotary shaft
End, and the second end of rotary shaft connection transmission mechanism；
Switch portion includes：Middle part has the housing of accommodating chamber, output interface of the housing provided with least one connection accommodating chamber；Hold
Receive and a core be arranged among chamber, the middle part or bottom that core has central cavity and the central cavity have a sealing plate,
And core, provided with that can connect the tap of output interface, the tap connects central cavity；It is fixedly connected on core lower end
Knob；
Switch controller is arranged between the upper end of core and hybrid chamber, and switch controller includes magnetic valve and is connected to electricity
The sealing gasket of the electromagnet lower end of magnet valve, the valve seal of magnetic valve is fixed on housing, and electromagnet can by sealing gasket
It is tightly connected the upper end of core.
2. a kind of Liqiud-gas mixing device according to claim 1, it is characterised in that transmission mechanism include the first motor and with
At least one connected gear train of first motor, first gear and second gear of each group gear including engaging connection, and the
Second end of one gear with second gear respectively with respective rotary shaft in two adjacent input channels is connected.
3. a kind of Liqiud-gas mixing device according to claim 1, it is characterised in that set respectively in the cavity wall of each input channel
There is water-sealed bearing, the second end of rotary shaft is connected through water-sealed bearing with transmission mechanism.
4. a kind of Liqiud-gas mixing device according to claim 1, it is characterised in that be respectively provided with each input channel with logical
The dividing plate in hole, the dividing plate is located between impeller and check valve, and aperture of the aperture less than input channel of through hole.
5. a kind of Liqiud-gas mixing device according to claim 1, it is characterised in that the profile of the core and the shape of accommodating chamber
Unanimously, and the profile of core is cylindric or circular cone tubular.
6. a kind of Liqiud-gas mixing device according to claim 1, it is characterised in that switch controller also includes being set in electromagnetism
Stage clip on the movable push rod of valve.
7. a kind of Liqiud-gas mixing device according to claim 1, it is characterised in that be provided with hybrid chamber be used to detecting gas or
The pressure of liquid and one or more sensors of flow velocity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610150184.9A CN105749775B (en) | 2016-03-16 | 2016-03-16 | Gas-liquid mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610150184.9A CN105749775B (en) | 2016-03-16 | 2016-03-16 | Gas-liquid mixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105749775A CN105749775A (en) | 2016-07-13 |
| CN105749775B true CN105749775B (en) | 2017-09-19 |
Family
ID=56333360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610150184.9A Active CN105749775B (en) | 2016-03-16 | 2016-03-16 | Gas-liquid mixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105749775B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418030B (en) * | 2021-06-23 | 2022-06-10 | 山东科技大学 | Large-capacity liquid fixed-ratio multi-batch water mixing valve |
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| CN101452823A (en) * | 2007-12-06 | 2009-06-10 | 细美事有限公司 | Ozonated water mixture supply apparatus and method, and substrate treating facility with the apparatus |
| CN101574631A (en) * | 2009-06-04 | 2009-11-11 | 浙江胜祥机械有限公司 | Oil-gas mixing regulating distributor |
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| CN201701905U (en) * | 2010-05-14 | 2011-01-12 | 中国矿业大学(北京) | Emulsion concentration ratio instrument capable of adjusting concentration ratio |
| WO2014066616A1 (en) * | 2012-10-26 | 2014-05-01 | Baxter International Inc. | Spray head for two component mixer |
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| CN205495373U (en) * | 2016-03-16 | 2016-08-24 | 熊菊莲 | Gas -liquid mixing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES1059642Y (en) * | 2005-02-10 | 2005-09-01 | Fagor S Coop | ROTATING VALVE MOUNTED ON A MULTI-GAS COOKING DEVICE |
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2016
- 2016-03-16 CN CN201610150184.9A patent/CN105749775B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2504269Y (en) * | 2001-10-22 | 2002-08-07 | 秦振芳 | Gas-water mixing appts. in treament of ozone sewage |
| CN101452823A (en) * | 2007-12-06 | 2009-06-10 | 细美事有限公司 | Ozonated water mixture supply apparatus and method, and substrate treating facility with the apparatus |
| CN201394444Y (en) * | 2008-12-31 | 2010-02-03 | 杜均新 | Mine emulsified solution proportioner |
| CN101574631A (en) * | 2009-06-04 | 2009-11-11 | 浙江胜祥机械有限公司 | Oil-gas mixing regulating distributor |
| CN101706005A (en) * | 2009-11-24 | 2010-05-12 | 吴海鹰 | Rotary multi-level flux regulating valve |
| CN201701905U (en) * | 2010-05-14 | 2011-01-12 | 中国矿业大学(北京) | Emulsion concentration ratio instrument capable of adjusting concentration ratio |
| WO2014066616A1 (en) * | 2012-10-26 | 2014-05-01 | Baxter International Inc. | Spray head for two component mixer |
| CN104147948A (en) * | 2014-08-07 | 2014-11-19 | 中国船舶重工集团公司第七一八研究所 | Anti-explosion multi-component dynamic air distribution device and method |
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| CN205495373U (en) * | 2016-03-16 | 2016-08-24 | 熊菊莲 | Gas -liquid mixing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105749775A (en) | 2016-07-13 |
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Effective date of registration: 20191112 Address after: No.1, Chuangye building, 1750 Shengli West Road, Yuhui District, Bengbu City, Anhui Province Patentee after: Bengbu xiaoshuren Software Technology Co., Ltd Address before: 528500 Guangdong city of Foshan province Wenchang city streets Gaoming District Road No. 183 6 102 Patentee before: Xiong Julian |
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Effective date of registration: 20200610 Address after: Dunshang Zhen Luo Yang Han Guo Cun, Ganyu District, Lianyungang City, Jiangsu Province Patentee after: Lianyungang Ganyu HengAn Gas Co.,Ltd. Address before: No.1, Chuangye building, 1750 Shengli West Road, Yuhui District, Bengbu City, Anhui Province Patentee before: Bengbu xiaoshuren Software Technology Co.,Ltd. |
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Effective date of registration: 20210623 Address after: 222047 No.7 Jiaoshan Road, Lianyungang Economic and Technological Development Zone, Jiangsu Province Patentee after: Lianyungang CHENHONG Special Gas Co.,Ltd. Address before: 222100 Luoyang Hanguo village, dunshang Town, Ganyu District, Lianyungang City, Jiangsu Province Patentee before: Lianyungang Ganyu HengAn Gas Co.,Ltd. |
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Effective date of registration: 20220516 Address after: 222100 Luoyang Hanguo village, dunshang Town, Ganyu District, Lianyungang City, Jiangsu Province Patentee after: Lianyungang Ganyu HengAn Gas Co.,Ltd. Address before: 222047 No.7 Jiaoshan Road, Lianyungang Economic and Technological Development Zone, Jiangsu Province Patentee before: Lianyungang CHENHONG Special Gas Co.,Ltd. |
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