CN104587786A - Waste gas purifier for chemical and medicine industries - Google Patents
Waste gas purifier for chemical and medicine industries Download PDFInfo
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- CN104587786A CN104587786A CN201510026827.4A CN201510026827A CN104587786A CN 104587786 A CN104587786 A CN 104587786A CN 201510026827 A CN201510026827 A CN 201510026827A CN 104587786 A CN104587786 A CN 104587786A
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Abstract
The invention discloses a waste gas purifier for chemical and medicine industries. The waste gas purifier comprises a body and a water storage pond, wherein a gas inlet is formed in the upside of the body; a gas inlet valve is arranged on the gas inlet; a filter chamber is connected to the downside of the gas inlet; the filter chamber is connected with a gas inlet pipe through a main pipe, a plurality of pores are formed in the surface of the gas inlet pipe, an oil filtering plate is arranged inside the body; a filtering layer is arranged below the oil filtering plate, the water storage pond is a closed cavity and is arranged below the body, filtering water is contained in the water storage pond, a funnel is arranged at the lower part of the body, the lower end of the funnel penetrates through the top wall of the water storage pond and is inserted to be under the liquid level in the water storage pond, a gas outlet pipe is arranged at the lower part of the body, a gas outlet valve is arranged on the gas outlet pipe, a pipe opening of the gas outlet pipe penetrates through one side of the top wall of the water storage pond and is inserted into a cavity at the upper part of the water storage pond, and the height of the pipe opening of the gas outlet pipe, inserted into the water storage pond, is greater than that of the liquid level in the water storage pond. The waste gas purifier has the advantages of reasonable structure design, good purifying effect, long service life and the like.
Description
Technical field
The present invention relates to air purification field, particularly relate to a kind of chemical industry and pharmaceuticals industry catalytic converter.
Background technology
At present, industrial waste gas is a kind of main pollution sources, various toxic and harmfuls contained in industrial waste gas cause larger pollution to environment, such as sulfur dioxide and hydrogen sulfide etc., and some particles cause serious air pollution to PE, and industrial waste gas is as one of the major source of atmosphere pollution, to the living environment of the mankind, there is very large destruction, therefore industrial waste gas is effectively processed, enter again among atmospheric environment after reaching suitable emissions requirements to make it and there is very important realistic meaning, Chinese patent literature CN201420293216.7 discloses a kind of industrial waste gas purification device, it is by air inlet pipe, escape pipe and fog-spray nozzle are formed, its operation principle is adsorbed the impurity particle in waste gas by adsorbing sphere, again by the impurity in fog-spray nozzle sedimentation waste gas, then gas is through the second filtering bodies and the 3rd filtering bodies purifying exhaust air, but this kind of structural design is comparatively simple, can not thorough impurities in purifying exhaust air, still not yet remove containing impurity in waste gas after filtration, not only reduce operating efficiency, the effect of impurities in thorough purifying exhaust air can not be played.
Summary of the invention
In order to overcome the above-mentioned defect that prior art exists, the present invention spy proposes a kind of chemical industry and pharmaceuticals industry catalytic converter, and it comprises body and tank, above body, be provided with air inlet, air inlet is provided with intake valve, filter chamber is connected with below air inlet, filter chamber is connected with air inlet pipe by supervisor, air inlet pipe surface is provided with multiple pore, is also provided with oil filtering plate for oil in body interior, below oil filtering plate for oil, filter course is set, described tank is closed cavity and is arranged on the below of body, filtered water is loaded with in tank, in the bottom of body, funnel is set, the lower end of described funnel is through the roof of tank under being inserted into the liquid level in tank, body lower part is provided with escape pipe, described escape pipe is provided with air outlet valve, the mouth of pipe of described escape pipe passes the side of tank roof and inserts in the cavity on tank top, mouth of pipe height in escape pipe insertion tank is higher than the liquid level in tank, the present invention has reasonable in design, the advantage such as good purification and long service life.
The present invention solves its technical problem, the technical scheme adopted is: a kind of chemical industry and pharmaceuticals industry catalytic converter, comprise body and tank, air inlet is provided with above body, below air inlet, be connected with filter chamber, described filter chamber is connected with air inlet pipe by supervisor, and air inlet pipe surface is provided with multiple pore, its design feature is: be also provided with oil filtering plate for oil in body interior, below oil filtering plate for oil, be provided with filter course; Described tank is closed cavity and is arranged on below body, in tank, be loaded with filtered water, and the bottom of body is provided with funnel, and the lower end of described funnel is through the roof of tank under being inserted into the liquid level in tank; The bottom of body side is provided with escape pipe, and the mouth of pipe of described escape pipe passes the roof of tank and inserts in the cavity on tank top, and the mouth of pipe height in escape pipe insertion tank is higher than the liquid level in tank; The side of body is provided with shower, described shower comprises transverse tube and vertical tube, the transverse tube of shower is provided with spray head, and the verticle tube of shower under being inserted into the liquid level in tank, shower is also provided with spray pump through the roof of tank.
Further, under the liquid level of tank, be also provided with screen pack, described screen pack is arranged on the oral area of funnel, under the verticle tube of shower.
Further, the side of body outer wall is provided with vertical conduit, the upper end of conduit is connected with filter chamber, and the lower end of conduit is connected with escape pipe, and conduit is provided with return valve.
Further, escape pipe is provided with air outlet valve.
Further, described air inlet has two, is separately positioned on the left and right sides above body, is all respectively provided with a filter chamber, air inlet is also provided with intake valve in the below of two air inlets.
Further, between filter chamber and supervisor, electric heating tube is provided with.
Further, also filling pipe is provided with on the top of tank.
Further, the bottom of tank is skewed, the low-lying place of its skewed bottom is provided with sewage draining exit, sewage draining exit is provided with blowoff valve.
Further, the liquid level in tank is 2/3 to 5/6 of tank inner chamber total height.
Preferably, described shower, in " F " shape, comprises two transverse tubes and a vertical tube, its upper lateral tube is arranged on oil filtering plate for oil, lower transverse tubule is arranged under filter course, and two transverse tubes of shower are all respectively provided with one group of spray head, and its two groups of spray heads are oppositely arranged.
Preferably, described shower is in " 7 " word shape, and comprise a transverse tube and a vertical tube, its transverse tube is arranged between oil filtering plate for oil and filter course, all respectively be provided with one group of spray head in the both sides up and down of transverse tube, two groups of spray heads can respectively to oil filtering plate for oil and filter course spraying.
Preferably, the packing material in described filter course is granular active carbon.
Further, described filter course and oil filtering plate for oil are fixed on inner body wall by connector, and described filter course and oil filtering plate for oil are demountable structure.
Preferably, the screen pack arranged in tank, the mesh diameter of its screen pack is 0.05mm ~ 0.1mm.
Owing to have employed such scheme, compared with prior art, the present invention has following beneficial effect:
The inner packing material of the filter course arranged in described body is the active carbon of nutty structure, described active carbon effectively can remove the acid-base material in waste gas, remove gaseous contaminant, described gas pollutant is removed by the absorption of active carbon, and described filter course is fixed by connector, for demountable structure, thus facilitate replacing and the installation of later stage work personnel.Be provided with electric heating tube between described filter chamber and supervisor, heat by the waste gas after filtration, the moisture comprised in removing waste gas, is beneficial to decomposition and the flowing of waste gas, effectively can promotes that waste gas enters the speed of body, thus increase work efficiency.
Shower is provided with in described body, and spray pump is provided with on shower, open the spray pump that shower is arranged, water liquid just can be atomized by the spray head that shower surface is arranged, the spray head be oppositely arranged up and down can spray water smoke simultaneously, near oil filtering plate for oil and filter course, form the moisture film of one deck densification, thus industrial waste gas is further purified, adsorption and dissociation.
The waste gas entered by air inlet can be played the effect of impurity screening by the filter chamber arranged above body, prevents the larger particles comprised in waste gas from entering in body, facilitates the purified treatment of body later stage to waste gas.
In body interior, one deck oil filtering plate for oil is set; Effectively can remove the impurity of contained greasy dirt in waste gas, prevent the greasy dirt in waste gas not thorough because filtering, greasy dirt is made to stick to inner body wall, cause the pollution of inwall, also reduce the service life of body, effectively filter out greasy dirt by the oil filtering plate for oil arranged, also improve clean-up effect, make its scope of application more extensive.
Accompanying drawing explanation
Fig. 1 is basic structure schematic diagram of the present invention.
Wherein: 1, body; 2, connector; 3, intake valve; 4, filter chamber; 5, electric heating tube; 6, air inlet pipe; 7, pore; 8, oil filtering plate for oil; 9, filter course; 10, tank; 11, conduit; 12, shower; 13, spray head; 14, spray pump; 15, screen pack; 16, air outlet valve; 17, escape pipe; 18, air inlet; 20, be responsible for; 30, return valve; 40, filling pipe; 50, funnel; 60, sewage draining exit.
Detailed description of the invention
As shown in Figure 1, the first detailed description of the invention of the present invention is: a kind of chemical industry and pharmaceuticals industry catalytic converter, it comprises body 1 and tank 10, described tank 10 is a closed cavity and is arranged on the below of body 1, filtered water is loaded with in tank 10, liquid level in tank 10 is 2/3 to 5/6 of tank inner chamber total height, and present embodiment preferably its liquid level is 2/3.In the bottom of body 1, funnel 50 is set, the upper wall that the lower end of described funnel 50 is closed through tank 10 and under being inserted into the liquid level in tank 10, the funnel 50 that body 1 is arranged by its underpart and the waste gas after purification is imported in tank 10, liquid level in its tank 10 exceed funnel 50 oral area and under the oral area of funnel 50 is immersed in liquid level completely, thus making the waste gas of discharging in body 1 can pass into the liquid level of tank 10 completely.
The left and right sides above body 1 is respectively arranged with air inlet 18; Described air inlet 18 is provided with intake valve 3; Filter chamber 4 is connected with below described air inlet 18; Multiple filtration net is provided with in filter chamber 4, described filter chamber 4 is connected with air inlet pipe 6 by supervisor 20, electric heating tube 5 is provided with between filter chamber 4 and supervisor 20, namely described electric heating tube 5 is between left and right two filter chamber 4, its objective is and waste gas is heated, be beneficial to it decompose, the surface of air inlet pipe 6 is provided with multiple pore 7; One deck oil filtering plate for oil 8 is also provided with in the inside of body 1; Below described oil filtering plate for oil 8, one deck filter course 9 is set;
The side of tank 10 is provided with filling pipe 40, when needing the filtered water changing tank 10 or the liquid level reduction of working as in tank 10, filling pipe 40 can in time for tank 10 provides liquid make-up, under guaranteeing that the oral area of funnel 50 is immersed in the liquid level of tank 10 completely; The bottom of its tank 10 is skewed, and the most low-lying place of its skewed bottom is provided with sewage draining exit 60, and sewage draining exit 60 is also provided with blowoff valve, when needing the sewage of tank 10 inside is carried out to blowdown or changes water, opens sewage draining exit 60.One deck screen pack 15 is also provided with in tank 10, described screen pack 15 is arranged on the oral area of funnel 50, to ensure that the impurity of discharging in funnel 50 is isolated under screen pack 15, the mesh diameter of its screen pack 15 is 0.05mm ~ 0.1mm, present embodiment preferably its mesh diameter is 0.05mm, stops impurity by gas.
The bottom of body 1 is provided with escape pipe 17, described escape pipe 17 is provided with air outlet valve 16, the mouth of pipe of described escape pipe 17 passes the side of tank 10 roof and inserts in the cavity on tank 10 top, escape pipe 17 inserts mouth of pipe height in tank 10 higher than the liquid level in tank 10, to ensure that the water liquid in tank 10 can not enter into escape pipe 17.
The side of body 1 outer wall is provided with vertical conduit 11, and the upper end of conduit 11 is connected with filter chamber 4, and the lower end of conduit 11 is connected with escape pipe 17, and conduit 11 is provided with return valve 30.At the shower 12 that the opposite side of body 1 outer wall is provided with, shower 12 is in " F " shape, be provided with two transverse tubes and a vertical tube, two transverse tubes of shower 12 are all respectively provided with one group of spray head 13, two groups of spray heads 13 are oppositely arranged, internal direction all towards two transverse tubes is sprayed, the upper lateral tube of shower 12 is positioned on oil filtering plate for oil 8, lower transverse tubule is positioned under filter course 9, the verticle tube of shower 12 through tank 10 roof side and under inserting the liquid level in tank 10, the verticle tube height of described shower 12 is lower than the liquid level in tank 10, and higher than the screen pack 15 arranged in tank 10, thus make to only have the water purification free from foreign meter above screen pack 15 can be inhaled in shower 12, shower 12 is also provided with spray pump 14, open the pouring pump 14 that shower 12 is arranged, water liquid just can be atomized by the spray head 13 that shower 12 surface is arranged, the spray head 13 be oppositely arranged up and down can spray water smoke simultaneously, the moisture film of one deck densification is formed between two transverse tubes of shower 12, thus industrial waste gas is further purified, adsorption and dissociation.
Certainly, described shower 12 can also arrange in " 7 " word shape, only include a transverse tube and a vertical tube, its transverse tube is arranged between oil filtering plate for oil 8 and filter course 9, one group of spray head 13 is all respectively provided with in the both sides up and down of transverse tube, two groups of spray heads 13 can be sprayed to oil filtering plate for oil 8 and filter course 9 respectively, and the spray association mist clean-up effect of the shower 12 of spraying clean-up effect ratio " F " shape of the shower 12 of " 7 " word shape is slightly poor.
When needs carry out purified treatment to industrial waste gas, open intake valve 3, industrial waste gas is entered by the air inlet 18 be arranged at above body 1, filter chamber 4 is provided with below described air inlet 18, it is the filter screen of the grid lattice structure of multilayer stainless steel wire braiding in described filter chamber 4, and the mesh aperture size in described filter screen is 0.1mm, thus can effectively the large granular impurity in waste gas first be filtered out, prevent the larger particles comprised in waste gas from entering into body 1, facilitate the purified treatment of body 1 later stage to waste gas, make it purify more thorough, the quantity of described air inlet 19 and filter chamber 4 is two, and is symmetricly set in above body 1, thus can pass into waste gas from two air inlets 19 simultaneously, effectively raises operating efficiency, waste gas is after filter chamber 4 passes into, air inlet pipe 6 is entered into through supervisor 20, electric heating tube 5 is provided with between described filter chamber 4 and supervisor 20, a process heated is carried out to the waste gas after filtering, be beneficial to it decompose and effectively can accelerate the speed that waste gas enters body 1, thus increase work efficiency, air inlet pipe 6 surface is provided with multiple pore 7, thus the waste gas entering body 1 inside is played to the effect of shunting, avoid waste gas too to concentrate and cause the situation of body 1 internal work instability, it is inner that the multiple pores 7 arranged make waste gas evenly enter body 1, facilitate the purified treatment of body 1 pair of waste gas, improve operating efficiency, described body 1 inside arranges one deck oil filtering plate for oil 8, effectively can adsorb greasy dirt contained in waste gas, with desulfurization de-carbon, to prevent the greasy dirt in waste gas not thorough because filtering, and make greasy dirt stick to body 1 inwall, cause the pollution of inwall, also reduce the service life of body 1, effectively filter out greasy dirt by the oil filtering plate for oil 8 arranged, also improve clean-up effect, make its scope of application more extensive, the inner packing material of filter course 4 arranged below described oil filtering plate for oil 8 is the active carbon of nutty structure, its active carbon effectively can remove acid-base material and gaseous contaminant in waste gas, and described oil filtering plate for oil 8 and filter course 9 are all fixedly connected on body 1 inside by connector 2, it is demountable structure, oil filtering plate for oil 8 and filter course 9 is freely dismantled by connector 2, thus can carry out clearing up or changing according to the number of accumulated impurities on oil filtering plate for oil 8 and filter course 9, facilitate replacing and the installation of later stage work personnel, various poisonous and harmful substances in oil filtering plate for oil 8 and the effective scavenging of filter course 9 energy are set, reach the effect of purification.
The funnel 50 arranged below described body 1 is pyramidal structure, purify through body 1 and the waste gas of discharging downwards and the water droplet from spray head 13 sprays all enter in tank 10 by funnel 50, and under entering into the liquid level in tank 10 and screen pack 15 times, after waste gas is punched into screen pack 15 times, because the density of gas is much smaller than water, therefore gas is rapidly to and emerges, rise in the cavity above tank 10 through screen pack 15, and by being inserted into the mouth of pipe and enter into escape pipe 17 of giving vent to anger in tank 10 upper cavity, now only need open air outlet valve 16, purified gas can be discharged, if purified gas is not up to standard, air outlet valve 16 can be closed, open return valve 30, purified gas is just back in filter chamber 4 by conduit 11 and restarts purification, again through the secondary filter of body 1 inside, move in circles successively, until the waste gas of discharging reaches discharge standard or re-uses standard, both resource had been saved, also the working strength of staff is effectively reduced.Under the liquid level of tank 10, screen pack 15 is set, both can the gas passed in tank 10 further be filtered and be purified in the process risen, by the impurities that imports to from body 1 in tank at screen pack less than 15, can also be inhaled in shower 12 to prevent impurity.
The above is the embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in the present patent application scope change or modify, and are included in patent claim of the present invention.
Claims (4)
1. a chemical industry and pharmaceuticals industry catalytic converter, comprise body (1) and tank (10), body (1) top is provided with air inlet (18), filter chamber (4) is connected with in air inlet (18) below, described filter chamber (4) is connected with air inlet pipe (6) by supervisor (20), air inlet pipe (6) surface is provided with multiple pore (7), it is characterized in that: be also provided with oil filtering plate for oil (8) in body (1) inside, oil filtering plate for oil (8) below is provided with filter course (9), described tank (10) is closed cavity and is arranged on body (1) below, filtered water is loaded with in tank (10), the bottom of body (1) is provided with funnel (50), and the lower end of described funnel (50) is through the roof of tank (10) under being inserted into the liquid level in tank (10), the bottom of body (1) side is provided with escape pipe (17), the mouth of pipe of described escape pipe (17) passes the roof of tank (10) and inserts in the cavity on tank (10) top, and the mouth of pipe height in escape pipe (17) insertion tank (10) is higher than the liquid level in tank (10), the side of body (1) is provided with shower (12), described shower (12) comprises transverse tube and vertical tube, the transverse tube of shower (12) is provided with spray head (13), the verticle tube of shower (12) is through the roof of tank (10) under being inserted into the liquid level in tank (10), shower (12) is also provided with spray pump (14), screen pack (15) is also provided with under the liquid level of tank (10), described screen pack (15) is arranged on the oral area of funnel (50), under the verticle tube of shower (12), the side of body (1) outer wall is provided with vertical conduit (11), the upper end of conduit (11) is connected with filter chamber (4), the lower end of conduit (11) is connected with escape pipe (17), conduit (11) is provided with return valve (30).
2. chemical industry according to claim 1 and pharmaceuticals industry catalytic converter, it is characterized in that: described shower (12) is in " F " shape, comprise two transverse tubes and a vertical tube, its upper lateral tube is arranged on oil filtering plate for oil (8), lower transverse tubule is arranged under filter course (9), two transverse tubes of shower (12) are all respectively provided with one group of spray head (13), and its two groups of spray heads (13) are oppositely arranged.
3. chemical industry according to claim 1 and pharmaceuticals industry catalytic converter, it is characterized in that: described filter course (9) and oil filtering plate for oil (8) are fixed on body (1) inwall by connector (2), and described filter course (9) and oil filtering plate for oil (8) are demountable structure.
4. chemical industry according to claim 1 and pharmaceuticals industry catalytic converter, it is characterized in that: the bottom of tank (10) is skewed, the low-lying place of its skewed bottom is provided with sewage draining exit (60), sewage draining exit (60) is provided with blowoff valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510026827.4A CN104587786B (en) | 2015-01-20 | 2015-01-20 | A kind of chemical industry and pharmaceuticals industry catalytic converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510026827.4A CN104587786B (en) | 2015-01-20 | 2015-01-20 | A kind of chemical industry and pharmaceuticals industry catalytic converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104587786A true CN104587786A (en) | 2015-05-06 |
| CN104587786B CN104587786B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510026827.4A Expired - Fee Related CN104587786B (en) | 2015-01-20 | 2015-01-20 | A kind of chemical industry and pharmaceuticals industry catalytic converter |
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| Country | Link |
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| CN (1) | CN104587786B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104857851A (en) * | 2015-06-01 | 2015-08-26 | 安徽诚泰环保工程有限公司 | Industrial smoke dust desulfurization device |
| CN104941364A (en) * | 2015-06-01 | 2015-09-30 | 安徽诚泰环保工程有限公司 | Exhaust gas purification device |
| CN105697044A (en) * | 2016-03-28 | 2016-06-22 | 神华集团有限责任公司 | Hydraulic support coal caving gush hydrogen sulfide treatment device |
| CN107970726A (en) * | 2017-12-11 | 2018-05-01 | 浙江碧净环保科技有限公司 | A kind of mixed-flow desulphurizing and dust-removing integral tower and its operating method |
| CN113415815A (en) * | 2021-08-10 | 2021-09-21 | 湖南行者环保科技有限公司 | Method for efficiently producing high-purity lithium carbonate |
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| CN201516326U (en) * | 2009-09-09 | 2010-06-30 | 周高超 | Dry and wet cleaning device for industrial dust |
| KR100980303B1 (en) * | 2009-12-28 | 2010-09-06 | 에스씨티산기(주) | Purifying apparatus for air |
| CN202490548U (en) * | 2011-12-19 | 2012-10-17 | 铜陵康达铝合金制品有限责任公司 | Melting furnace waste gas filtering system |
| CN103920352A (en) * | 2014-05-14 | 2014-07-16 | 郑州机械研究所 | Automatic disturbance packing type wet process purification device |
-
2015
- 2015-01-20 CN CN201510026827.4A patent/CN104587786B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201516326U (en) * | 2009-09-09 | 2010-06-30 | 周高超 | Dry and wet cleaning device for industrial dust |
| KR100980303B1 (en) * | 2009-12-28 | 2010-09-06 | 에스씨티산기(주) | Purifying apparatus for air |
| CN202490548U (en) * | 2011-12-19 | 2012-10-17 | 铜陵康达铝合金制品有限责任公司 | Melting furnace waste gas filtering system |
| CN103920352A (en) * | 2014-05-14 | 2014-07-16 | 郑州机械研究所 | Automatic disturbance packing type wet process purification device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104857851A (en) * | 2015-06-01 | 2015-08-26 | 安徽诚泰环保工程有限公司 | Industrial smoke dust desulfurization device |
| CN104941364A (en) * | 2015-06-01 | 2015-09-30 | 安徽诚泰环保工程有限公司 | Exhaust gas purification device |
| CN105697044A (en) * | 2016-03-28 | 2016-06-22 | 神华集团有限责任公司 | Hydraulic support coal caving gush hydrogen sulfide treatment device |
| CN107970726A (en) * | 2017-12-11 | 2018-05-01 | 浙江碧净环保科技有限公司 | A kind of mixed-flow desulphurizing and dust-removing integral tower and its operating method |
| CN113415815A (en) * | 2021-08-10 | 2021-09-21 | 湖南行者环保科技有限公司 | Method for efficiently producing high-purity lithium carbonate |
| CN113415815B (en) * | 2021-08-10 | 2022-08-02 | 海南行者新材料科技有限公司 | Method for efficiently producing high-purity lithium carbonate |
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| CN104587786B (en) | 2016-08-24 |
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Inventor after: Ma Junjie Inventor before: Xu Hong |
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| TR01 | Transfer of patent right |
Effective date of registration: 20160825 Address after: 518000, No. 309, building FL3, lotus North High District, Shenzhen, Guangdong, Futian District Patentee after: Shenzhen Ankang Medical Engineering Co., Ltd. Address before: Pitong town Pixian Chengdu city of Sichuan Province Wang Cong road 611730 No. 14 1 floor Patentee before: CHENGDU GUANYU TECHNOLOGY CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20210120 |