CN201537447U - Novel adsorption and desorption device - Google Patents
Novel adsorption and desorption device Download PDFInfo
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- CN201537447U CN201537447U CN2009202258239U CN200920225823U CN201537447U CN 201537447 U CN201537447 U CN 201537447U CN 2009202258239 U CN2009202258239 U CN 2009202258239U CN 200920225823 U CN200920225823 U CN 200920225823U CN 201537447 U CN201537447 U CN 201537447U
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Abstract
The utility model discloses a novel adsorption and desorption device and belongs to a device and a method for processing organic waste gas. The novel adsorption and desorption device comprises a adsorption tank. The adsorption tank is provided with an opening for leading in the waste gas and vacuumizing, a purified gas outlet, a tube pass inlet for leading in a cold medium or a hot medium and a tube pass outlet for leading out the cold medium or the hot medium. The inside of the adsorption tank is provided with row tubes. The row tubes are uniformly distributed in the adsorption tank. Both ends of each row tube is respectively communicated with the tube pass inlet and the tube pass outlet. A shell pass of the adsorption tank is filled with an adsorbing medium surrounding the row tubes. The novel adsorption and desorption device carries out the low-temperature adsorption and high-temperature desorption operation. The utility model arranges the row tubes in the adsorption tank and the row tubes can be filled with the cold medium or the hot medium so as to realize the low-temperature adsorption and high-temperature desorption operation, reduce the vacuumizing degree, save energy consumption, greatly reduce the requirement for the device in the desorption process, improve the adsorption and desorption efficiency, prolong the service life of the adsorbing medium and save the production cost.
Description
Technical field
The utility model relates to the apparatus and method for of handling organic exhaust gas, relates in particular to a kind of novel adsorption desorption device.
Background technology
At present, the processing of industrial organic exhaust gas is generally adopted the method for absorption recovery, in adsorption tanks, fill active carbon, NACF isoreactivity material, organic exhaust gas is passed into carries out adsorption treatment in the adsorption tanks, only rely on the adsorption capacity of active material that organic exhaust gas is handled, its adsorption efficiency is lower.After active material absorption is saturated, need carry out desorption to active material handles, the general steam that adopts cleans active material in the prior art, but, active carbon, activated carbon fiber isoreactivity material water resistance are poor, reduce greatly through its activity after the steam cleaning, and still need be further separated processing, increased processing cost its desorption liquid.
Application number is to disclose a kind of " cleaning equipment for waste organic gas " in the Chinese invention patent of 200710192211.X, it comprises adsorption tower, exhaust gas inlet, waste gas outlet and wastewater outlet, in adsorption process, only rely on the adsorbent in the adsorption tower that waste gas is absorbed, adsorption efficiency is restricted, and in desorption process, utilize steam to carry out desorption, need separate the waste water of collecting behind the desorption and wait some row operations just can obtain product; Open the adsorbent in the dry adsorption tower of drying air fan then, realize reusing adsorbent, but the adsorbent water resistance that adopts is relatively poor at present, by steam distillation-drying air fan drying process repeatedly, reduced the service life of adsorbent, especially in the vacuum desorption process, need will be evacuated to the state that approaches the perfect vacuum in the absorption tower, under near the state of perfect vacuum to adsorption desorption equipment require high; Prior art is bordering on the degree of perfect vacuum more in order to make container in vacuum, energy consumption will be multiple and increase, and also will be multiple to the performance requirement of equipment and loss to equipment and increase progressively.
Application number is to disclose " a kind of device for recovering oil and gas " in 200410023944.7 the Chinese invention patent, its adsorption tanks are provided with control valve and desorb valve, and the desorb valve is connected with vavuum pump, when carrying out desorption after the air that contains the oil product steam disposed, adsorption tanks need be evacuated under the state of perfect vacuum, just can finish desorption process, adsorption tanks in above-mentioned vacuum need adopt special material to make, increased to handle and contained the cost of oil product steam air, and increased the energy consumption in the adsorption desorption process.This shows that prior art awaits further developing.
The utility model content
The utility model provides a kind of novel adsorption desorption device for solving above-mentioned defective of the prior art, equipment of the prior art and using method thereof are carried out scientific and reasonable improvement, vacuumize degree to reduce in the desorption process, improve suction, the desorption efficient of adsorption desorption device.
For solving the problems of the technologies described above, the utility model scheme comprises:
A kind of novel adsorption desorption device, it comprises adsorption tanks, wherein, these adsorption tanks are provided with the tube side import and the tube side outlet that is used to derive cold medium or thermal medium that is used to import waste gas and the opening, the clean gas outlet that vacuumize, is used to import cold medium or thermal medium, be provided with tubulation in the adsorption tanks, tubulation is evenly distributed in the adsorption tanks, and the two ends of tubulation are connected with tube side import, tube side outlet respectively; Be filled with the adsorbing medium that surrounds tubulation in these adsorption tanks.
Described novel adsorption desorption device, wherein, above-mentioned opening and tube side outlet are separately positioned on the bottom of adsorption tanks, and clean gas outlet and tube side import are separately positioned on the top of adsorption tanks; The tube side import is provided with medium and enters pipe, and this medium enters pipe and is provided with the thermal medium inlet valve, and this thermal medium inlet valve enters pipe with thermal medium and is connected; Medium between this thermal medium inlet valve and the tube side import enters pipe and is provided with cold medium and enters pipe, and this cold medium enters pipe and is provided with cold medium inlet valve; The tube side outlet is provided with the medium delivery line, and this medium delivery line is provided with the media outlet valve; Clean gas outlet is provided with the clean gas outlet pipe, and this clean gas outlet pipe is provided with the clean gas outlet valve.
Described novel adsorption desorption device, wherein, above-mentioned opening is provided with pipeline, this pipeline is being disposed with vacuum breaker, vavuum pump, condenser and non-condensation gas outlet from close opening part, pipeline between this vacuum breaker and the opening is provided with the exhaust gas inlet pipe, and this exhaust gas inlet pipe is provided with the exhaust gas inlet valve.
Described novel adsorption desorption device, wherein, above-mentioned cold medium is cooling air or cold water.
Described novel adsorption desorption device, wherein, above-mentioned thermal medium hot-air or steam or high temperature heat conductive oil.
Described novel adsorption desorption device, wherein, above-mentioned adsorbing medium is the mixture of activated carbon or activated carbon fiber or active carbon and NACF.
Described novel adsorption desorption device, wherein, above-mentioned novel adsorption desorption device is provided with a plurality of adsorption tanks that are connected.
A kind of novel adsorption desorption device that the utility model provides, tubulation is set in adsorption tanks, and can feed cold medium or thermal medium in the tubulation, utilize the cold of organic exhaust gas, hot state is active down different, increased substantially suction, desorption efficient, when organic exhaust gas is handled, in tubulation, feed cold media such as cooling air or cold water, improved the activity of adsorbing medium, and a plurality of adsorption tanks compound modes can be set, and realize working continuously thereby carry out handover operation, improved the adsorption capacity of single adsorption tanks, and under cryogenic conditions, carry out adsorption operations, the security that has improved production process; When adsorption tanks are carried out desorption, feed thermal mediums such as hot-air, steam or high temperature heat conductive oil in tubulation, high temperature has strengthened the desorption activity, has increased substantially desorption efficient, has shortened the vacuum desorption time; In addition, feeding small amount of thermal nitrogen in the process that vacuumizes in adsorption tanks purges, improved desorption rate, and adopt in the utility model and accompany the high temperature desorption, increased organic activity, reduced the degree that vacuumizes, saved energy consumption, and reduced in desorption process requirement significantly equipment; And the adsorbing medium in whole suction, desorption process in the adsorption tanks only contacts with organic exhaust gas all the time, has reduced the extent of damage to adsorbing medium, has prolonged the service life of adsorbing medium.
Description of drawings
Fig. 1 is the structural representation of novel adsorption desorption device in the utility model;
Fig. 2 is the schematic flow sheet when novel adsorption desorption device carries out adsorption operations in the utility model;
Fig. 3 is the schematic flow sheet when novel adsorption desorption device carries out desorption manipulation in the utility model;
Fig. 4 is three structural representations that novel adsorption desorption device is connected in the utility model.
The specific embodiment
The utility model provides a kind of novel adsorption desorption device, in adsorption tanks, be provided for being communicated with the tubulation of cold medium or thermal medium, and inhaling, in tubulation, importing cold medium or thermal medium in the desorption process, reduce the activity of the active of debirs or raising debirs, thereby the adsorption efficiency and the desorption efficient of adsorption desorption device have been improved, improved the utilization rate of active material, reduced in desorption process requirement equipment.As shown in Figure 1, novel adsorption desorption device comprises adsorption tanks 1, and these adsorption tanks are provided with the tube side import 4 and the tube side outlet 5 that is used to derive cold medium or thermal medium that is used to import waste gas and the opening 2, the clean gas outlet 3 that vacuumize, is used to import cold medium or thermal medium, be provided with tubulation 6 in the adsorption tanks 1, tubulation 6 is evenly distributed in the adsorption tanks 1, and the two ends of tubulation 6 are connected with tube side import 4, tube side outlet 5 respectively; Be filled with the adsorbing medium 7 that surrounds tubulation in these adsorption tanks 1.By foregoing description as can be known, the utility model is provided for being communicated with the tubulation of cold medium or thermal medium in adsorption tanks, when carrying out adsorption operations, in tubulation, feed cold media such as cold inertness gas, cooling air or cold water, heat of adsorption in the adsorption process is transferred in the cold medium takes away, reduced the activity of debirs, it is fully adsorbed by active carbon or NACF isoreactivity material; When carrying out the attached operation of desorption, in tubulation, feed hot inert gas or thermal mediums such as hot-air or steam or high temperature heat conductive oil, improved the activity of debirs, it fully and is fast broken away from active carbon or NACF isoreactivity material, and in above-mentioned suction, active material only contacts with organic exhaust gas all the time in the desorption process, kept the active material activity, this shows, the utility model has improved the adsorption efficiency and the desorption efficient of adsorption desorption device, active carbon or NACF isoreactivity material repetitive cycling are used, improved the utilization rate of active material, reduced the degree that vacuumizes, reduced in desorption process requirement equipment.
In order further to improve performance of the present utility model, as shown in Figure 1, novel adsorption desorption device has been done further improvement, and opening 2 and tube side outlet 5 are separately positioned on the bottom of adsorption tanks 1, and clean gas outlet 3 and tube side import 4 are separately positioned on the top of adsorption tanks 1; Tube side import 4 is provided with medium and enters pipe 8, and this medium enters pipe 8 and is provided with thermal medium inlet valve 9, and this thermal medium inlet valve 9 enters pipe 10 with thermal medium and is connected; Medium between this thermal medium inlet valve 9 and the tube side import 5 enters pipe 8 and is provided with cold medium and enters pipe 11, and this cold medium enters pipe and 11 is provided with cold medium inlet valve 12; Tube side outlet 5 is provided with medium delivery line 13, and this medium delivery line 13 is provided with media outlet valve 14; Clean gas outlet 3 is provided with clean gas outlet pipe 15, this clean gas outlet pipe 15 is provided with clean gas outlet valve 16, opening 2 is provided with pipeline 17, this pipeline 17 is being disposed with vacuum breaker 18 from close opening 2 places, vavuum pump 19, condenser 20 and condensator outlet pipe 21 not, pipeline 17 between this vacuum breaker 18 and the opening 2 is provided with exhaust gas inlet pipe 22, this exhaust gas inlet pipe 22 is provided with exhaust gas inlet valve 23, and the interval of tubulation 6 is between three centimetres to 20 centimetres, by further improvement, improved the operability and the operation stability of novel adsorption desorption device to novel adsorption desorption device.Novel adsorption desorption device also can be provided with a plurality of adsorption tanks that are connected 1, and organic exhaust gas is carried out handover operation, realizes that circulation is inhaled continuously, desorption process, has further improved the adsorption efficiency and the desorption efficient of adsorption desorption device.The temperature of cold media such as the cold inertness gas of Miao Shuing, cooling air or cold water is generally below 20 degrees centigrade in the above, adsorption effect the best of the low more novel adsorption desorption device of its temperature; The temperature of thermal mediums such as hot inert gas, hot-air, steam or high temperature heat conductive oil is generally more than or equal to 60 degrees centigrade, can certainly be according to the different choice of desorption material suitable heat medium temperature, and when desorption in adsorption tanks.
The utility model also provides a kind of adsorption desorption method of novel adsorption desorption device, and it mainly may further comprise the steps:
A, when waste gas is carried out adsorption treatment, waste gas enters adsorption tanks 1 by opening 2, and after adsorbing medium 7 fully adsorbs, discharge by clean gas outlet 3, the cold medium synchronous with waste gas enters tubulation 6 by tube side import 4, cold medium, is taken away the heat of adsorption of waste gas after tube side outlet 5 is derived by tubulation 6;
B, close clean gas outlet 3 after exhaust-gas treatment finished, vacuumize by 2 pairs of adsorption tanks 1 of opening, with vacuumize synchronous thermal medium and enter tubulation 6 by tube side import 4, thermal medium passes through tubulation 6 after tube side outlet 5 is derived, transmit heat to adsorbing medium, improved the activity that is adsorbed with organic waste, and when vacuumizing, in adsorption tanks, feed small amount of thermal nitrogen synchronously, improved desorption rate, it fully and is fast broken away from active carbon or NACF isoreactivity material.As seen, carry out cryogenic absorption and high temperature desorption by the novel adsorption desorption device of the utility model, the adsorption efficiency and the desorption efficient of adsorption desorption device have been improved, the stability and the security of the operation of adsorption desorption device have been improved, reduced the vacuum in the adsorption tanks, and then reduced significantly in desorption process the requirement of equipment, saved energy consumption.
In order further to set forth the adsorption method that the utility model provides, as shown in Figure 2, novel adsorption desorption device mainly may further comprise the steps when waste gas is carried out adsorption operations:
A1, when waste gas is carried out adsorption treatment, thermal medium inlet valve 9 all is in closed condition with vacuum breaker 18, exhaust gas inlet valve 23, cold medium inlet valve 12, media outlet valve 14 all are in connected state with clean gas outlet valve 16;
A2, waste gas enter adsorption tanks 1 by exhaust gas inlet pipe 22, exhaust gas inlet valve 23, pipeline 17 with opening 2, and after adsorbing medium 7 fully adsorbs, discharge with clean gas outlet valve 16 by clean gas outlet 3, clean gas outlet pipe 15;
A3, with step a2 in the synchronous cold medium of waste gas enter pipe 11, cold medium inlet valve 12, medium by cold medium and enter pipe 8 and enter tubulation 6 with tube side import 4, cold medium is derived with media outlet valve 14 by tubulation 6, tube side outlet 5, medium delivery line 13.
After novel adsorption desorption device finishes exhaust-gas treatment, adsorption tanks are carried out desorption, as shown in Figure 3, it mainly may further comprise the steps:
B1, when adsorption tanks 1 are carried out desorption, cold medium inlet valve 12, clean gas outlet valve 16 all is in closed condition with exhaust gas inlet valve 23, vacuum breaker 18, thermal medium inlet valve 9 all are in connected state with media outlet valve 14;
B2,19 pairs of adsorption tanks 1 of vavuum pump vacuumize, and feed small amount of thermal nitrogen synchronously in adsorption tanks 1 adsorbing medium is purged, and the gas of extracting out from adsorption tanks 1 in is after condenser 20 condensations, and residual gas is by not condensator outlet pipe 21 discharges;
B3, with step b2 in vacuumize synchronous thermal medium by thermal medium enter pipe 10, thermal medium inlet valve 9, medium enter pipe 8 and enter tubulation 6 with tube side import 4, thermal medium is derived with media outlet valve 14 by tubulation 6, tube side outlet 5, medium delivery line 13.By foregoing description as can be known, feed cold media such as cooling water when waste gas is adsorbed in the tubulation, thereby heat of adsorption is shifted out, improved adsorption efficiency, and cryogenic absorption has improved the stability and the security of production process; Feed thermal mediums such as high temperature heat conductive oil when adsorption tanks are carried out desorption in the tubulation, improved desorption temperature, strengthened organic activity, improved desorption efficient, and reduced the vacuum in the adsorption tanks, saved energy consumption.
The flow process that adopts above-mentioned single novel adsorption desorption device and adsorption desorption method thereof that the air that contains toluene is handled is roughly as follows:
25 degrees centigrade, concentration is 10g/Nm
3When containing the toluene air and entering the adsorption tanks 1 that are filled with active carbon, the cold water that feeds 15 degrees centigrade in tubulation 6 accompanies enfleurage attached to it, and the adsorption capacity of active carbon has enlarged 16.6% than conventional absorption; When absorption was finished, the steam that feeds 110 degrees centigrade in tubulation 6 was accompanied thermal desorption to it.When in the above-mentioned desorption process adsorption tanks being vacuumized, in absolute pressure for down can complete desorption less than 8KPa (annotate: desorption process need be finished less than under the 3KPa in the prior art).Therefore this technology has reduced requirements such as material property to adsorption tanks, wall thickness significantly, helps saving the technology cost, reduces desorption process simultaneously with electric energy consumption about 30 percent.
The flow process that adopts above-mentioned single novel adsorption desorption device and adsorption desorption method thereof that the air that contains gasoline vapour is handled is roughly as follows:
20 degrees centigrade, concentration is 28g/Nm
3When the air that contains gasoline vapour entered the adsorption tanks 1 that are filled with NACF, the cold water that feeds ten degrees centigrade in tubulation 6 accompanied enfleurage attached to it, and the adsorption capacity of NACF has enlarged 15.2% than conventional absorption; When absorption was finished, the temperature oil of leading that feeds 120 degrees centigrade in tubulation 6 was accompanied thermal desorption to it.When in the above-mentioned desorption process adsorption tanks being vacuumized, under less than 8KPa (annotate: desorption process need be finished less than under the 3KPa in the prior art), get final product complete desorption in absolute pressure, therefore this technology has reduced requirements such as material property to adsorption tanks, wall thickness significantly, help saving the technology cost, reduce desorption process electric energy consumption about 30 percent simultaneously.
Only enumerated single novel adsorption desorption device in the foregoing description, certainly in industrial production or as required, a plurality of novel adsorption desorption devices can be connected together, such as adopting three, four, five or more a plurality of novel adsorption desorption device to be connected together organic exhaust gas is handled, as shown in Figure 4, adopt three novel adsorption desorption devices to be connected together organic exhaust gas is carried out continuous adsorption-desorption operation, workflow prior art about continuous suction, desorption is quite ripe, is not giving unnecessary details at this.
Should be understood that; above-mentioned description at preferred embodiment is comparatively detailed; can not therefore think restriction to the utility model scope of patent protection; those of ordinary skill in the art is under enlightenment of the present utility model; do not breaking away under the scope situation that the utility model claim protected; can also make various deformation such as replacement, simple combination, these all fall within the protection domain of the present utility model, and the scope of asking for protection of the present utility model should be as the criterion with claims.
Claims (6)
1. novel adsorption desorption device, it comprises adsorption tanks, it is characterized in that: these adsorption tanks are provided with the tube side import and the tube side outlet that is used to derive cold medium or thermal medium that is used to import waste gas and the opening, the clean gas outlet that vacuumize, is used to import cold medium or thermal medium, be provided with tubulation in the adsorption tanks, tubulation is evenly distributed in the adsorption tanks, and the two ends of tubulation are connected with tube side import, tube side outlet respectively; Be filled with the adsorbing medium that surrounds tubulation in this adsorption tanks shell side.
2. novel adsorption desorption device according to claim 1 is characterized in that: above-mentioned opening and tube side outlet are separately positioned on the bottom of adsorption tanks, and clean gas outlet and tube side import are separately positioned on the top of adsorption tanks; The tube side import is provided with medium and enters pipe, and this medium enters pipe and is provided with the thermal medium inlet valve, and this thermal medium inlet valve enters pipe with thermal medium and is connected; Medium between this thermal medium inlet valve and the tube side import enters pipe and is provided with cold medium and enters pipe, and this cold medium enters pipe and is provided with cold medium inlet valve; The tube side outlet is provided with the medium delivery line, and this medium delivery line is provided with the media outlet valve; Clean gas outlet is provided with the clean gas outlet pipe, and this clean gas outlet pipe is provided with the clean gas outlet valve.
3. novel adsorption desorption device according to claim 1 and 2, it is characterized in that: above-mentioned opening is provided with pipeline, this pipeline is being disposed with vacuum breaker, vavuum pump, condenser and non-condensation gas outlet from close opening part, pipeline between this vacuum breaker and the opening is provided with the exhaust gas inlet pipe, and this exhaust gas inlet pipe is provided with the exhaust gas inlet valve.
4. novel adsorption desorption device according to claim 3 is characterized in that: above-mentioned cold medium is cooling air or cold water.
5. novel adsorption desorption device according to claim 3 is characterized in that: above-mentioned thermal medium is hot-air or steam or high temperature heat conductive oil.
6. novel adsorption desorption device according to claim 3 is characterized in that: above-mentioned novel adsorption desorption device is provided with the adsorption tanks that a plurality of switchings are used.
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| CN2009202258239U CN201537447U (en) | 2009-08-31 | 2009-08-31 | Novel adsorption and desorption device |
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| CN2009202258239U CN201537447U (en) | 2009-08-31 | 2009-08-31 | Novel adsorption and desorption device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101648102B (en) * | 2009-08-31 | 2012-01-25 | 青岛华世洁环保科技有限公司 | Cold and hot type adsorption-desorption device and adsorption-desorption method thereof |
| CN103446844A (en) * | 2012-06-01 | 2013-12-18 | 承源環境科技企業有限公司 | Fixed bed-type adsorption and desorption apparatus |
| CN103446845A (en) * | 2012-06-01 | 2013-12-18 | 承源環境科技企業有限公司 | Safe desorption unit of fixed bed type adsorption and desorption apparatus |
| CN109157946A (en) * | 2018-10-18 | 2019-01-08 | 江苏科威环保技术有限公司 | The multi-stage absorption stripping apparatus of exhaust gas |
| CN111530226A (en) * | 2020-05-08 | 2020-08-14 | 黄龙标 | Unitized self-cleaning type filtering device for organic waste gas treatment |
-
2009
- 2009-08-31 CN CN2009202258239U patent/CN201537447U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101648102B (en) * | 2009-08-31 | 2012-01-25 | 青岛华世洁环保科技有限公司 | Cold and hot type adsorption-desorption device and adsorption-desorption method thereof |
| CN103446844A (en) * | 2012-06-01 | 2013-12-18 | 承源環境科技企業有限公司 | Fixed bed-type adsorption and desorption apparatus |
| CN103446845A (en) * | 2012-06-01 | 2013-12-18 | 承源環境科技企業有限公司 | Safe desorption unit of fixed bed type adsorption and desorption apparatus |
| CN103446844B (en) * | 2012-06-01 | 2016-06-29 | 承源環境科技企業有限公司 | Fixed-bed type adsorption desorption device |
| CN109157946A (en) * | 2018-10-18 | 2019-01-08 | 江苏科威环保技术有限公司 | The multi-stage absorption stripping apparatus of exhaust gas |
| CN111530226A (en) * | 2020-05-08 | 2020-08-14 | 黄龙标 | Unitized self-cleaning type filtering device for organic waste gas treatment |
| CN111530226B (en) * | 2020-05-08 | 2021-01-01 | 黄龙标 | Unitized self-cleaning type filtering device for organic waste gas treatment |
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Owner name: TIANJIN HUASHIJIE ENVIRONMENTAL PROTECTION NEW MAT Free format text: FORMER OWNER: QINGDAO HUASHIJIE ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Effective date: 20141204 |
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Free format text: CORRECT: ADDRESS; FROM: 266555 QINGDAO, SHANDONG PROVINCE TO: 300457 HANGU, TIANJIN |
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| TR01 | Transfer of patent right |
Effective date of registration: 20141204 Address after: Nangang Industrial Zone 300457 Tianjin City Economic and Technological Development Zone No. 2 single plant Patentee after: Tianjin huashijie environmental protection new Mstar Technology Ltd Address before: 266555 No. 56, Pioneer Road, Qingdao economic and Technological Development Zone, Shandong, China Patentee before: Qingdao Huashijie Environment Protection Technology Co., Ltd. |
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Granted publication date: 20100804 |