CN113188309A - Method for drying silver cyanide - Google Patents
Method for drying silver cyanide Download PDFInfo
- Publication number
- CN113188309A CN113188309A CN202110458146.0A CN202110458146A CN113188309A CN 113188309 A CN113188309 A CN 113188309A CN 202110458146 A CN202110458146 A CN 202110458146A CN 113188309 A CN113188309 A CN 113188309A
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- Prior art keywords
- container
- silver
- equipment
- cyanide
- quantitative
- 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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- LFAGQMCIGQNPJG-UHFFFAOYSA-N silver cyanide Chemical compound [Ag+].N#[C-] LFAGQMCIGQNPJG-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229940098221 silver cyanide Drugs 0.000 title claims abstract description 44
- 238000001035 drying Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 22
- 229910052709 silver Inorganic materials 0.000 claims abstract description 18
- 239000004332 silver Substances 0.000 claims abstract description 18
- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000005303 weighing Methods 0.000 claims abstract description 12
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 11
- 238000010790 dilution Methods 0.000 claims abstract description 8
- 239000012895 dilution Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 239000011259 mixed solution Substances 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 50
- 239000002244 precipitate Substances 0.000 claims description 21
- 238000011084 recovery Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 229910010293 ceramic material Inorganic materials 0.000 claims description 5
- 239000002341 toxic gas Substances 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000013049 sediment Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000010981 drying operation Methods 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 206010010071 Coma Diseases 0.000 description 1
- 206010010904 Convulsion Diseases 0.000 description 1
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 208000006083 Hypokinesia Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- -1 acyl isonitrile Chemical class 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 208000029039 cyanide poisoning Diseases 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- OWFXIOWLTKNBAP-UHFFFAOYSA-N isoamyl nitrite Chemical compound CC(C)CCON=O OWFXIOWLTKNBAP-UHFFFAOYSA-N 0.000 description 1
- 150000002527 isonitriles Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
- F26B9/08—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers including agitating devices, e.g. pneumatic recirculation arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of silver cyanide drying, in particular to a method for drying silver cyanide, which comprises the following steps: the method comprises the following steps: weighing quantitative metal silver and nitric acid by a weighing device, then weighing quantitative water and quantitative sodium cyanide, and then respectively putting the water and the sodium cyanide into respective containers; step two: putting the weighed quantitative silver and nitric acid into a mixing container at the same time, completely dissolving the silver, then adding the quantitative water weighed in the step one for dilution, adding the weighed quantitative sodium cyanide into the mixed solution after dilution, and closing a shielding cover of the mixing container after reaction; the silver cyanide drying device realizes the pre-crushing of the silver cyanide, improves the drying efficiency of the silver cyanide, avoids the phenomenon that the silver cyanide is attached to the outer side of the container and is inconvenient to clean to the greatest extent, avoids the waste of heat energy in the drying process to the greatest extent, and ensures the safety of the silver cyanide during drying.
Description
Technical Field
The invention relates to the technical field of silver cyanide drying, in particular to a method for drying silver cyanide.
Background
Silver cyanide is white or light grey powder, is odorless and tasteless, has high toxicity, causes cyanide poisoning after being inhaled by a human body, has symptoms of headache, hypodynamia, dyspnea, convulsion, coma, even death and the like, can be inhaled by isoamyl nitrite for detoxification, is mainly used for medicine and silver plating, is stored in a cool and ventilated storehouse when being stored, is far away from fire and heat sources, is packaged and sealed, is stored separately from oxidants, acids and edible chemicals, is forbidden to be mixed and stored, is prepared with proper materials for containing leakage in a storage area, is generally used for medicine and silver plating, is used as protective coating, a lining and an electric contact of an autoclave, is used for electroplating of bearings of aircraft engines, is used as alkali when preparing steric hindrance ester by using ether chloride and alcohol, is used for preparing isonitrile and acyl isonitrile, is synthesized into certain heterocyclic catalysts for medicine and silver plating, and is increasingly applied to and produced with the continuous development of society, however, when silver cyanide is dried, the drying efficiency is low, the safety is low, the heat loss is large, and the phenomenon that the working environment is polluted easily occurs.
Disclosure of Invention
The invention aims to provide a method for drying silver cyanide, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for drying silver cyanide comprises the following steps:
the method comprises the following steps: weighing quantitative metal silver and nitric acid by a weighing device, then weighing quantitative water and quantitative sodium cyanide, and then respectively putting the water and the sodium cyanide into respective containers;
step two: putting the weighed quantitative silver and nitric acid into a mixing container at the same time, completely dissolving the silver, then adding the quantitative water weighed in the step one for dilution, adding the weighed quantitative sodium cyanide into the mixed solution after dilution, and closing a shielding cover of the mixing container after reaction;
step three: separating and washing the precipitate obtained in the step two, and then putting the precipitate into a holding container;
step four: placing the sediment containing container washed in the third step into heating equipment for heating, placing the container on the top end of built-in vibration equipment of the heating equipment and the bottom end of built-in recovery equipment when placing the container, and then controlling to open a shielding cover of the containing container;
step five: starting the heating equipment, wherein the heating equipment can continuously heat the accommodating container of the precipitate at the moment, the built-in vibration equipment of the heating equipment can be started at the moment, so that the accommodating container is continuously vibrated, and the built-in recovery equipment of the heating equipment can also be started;
step six: the drying time of the precipitate is set through an internal controller of the heating equipment, when the precipitate reaches the drying time, an external alarm of the heating equipment gives an alarm, the device automatically stops, and meanwhile, a shielding cover of the containing container automatically closes;
step seven: taking out the container, pouring out the dried silver cyanide, and collecting the silver cyanide.
Preferably, the vessel used in the second step is a ceramic mixing vessel, and an electric stirring device is fixed inside the mixing vessel.
Preferably, when the heating device heats the precipitate in the fifth step, only the side wall part of the containing container is heated, and the containing container is internally provided with the electric stirring device, the containing container used in the third step is also a container made of ceramic materials, and the shielding cover of the containing container is electrically controlled.
Preferably, when heating the container in step four, draw wind through the fan and heat through electric heating pipe, then blow and carry out heat-conduction to the container outside that holds to dry silver cyanide, the gas after the heating can be drawn by the fan again and carry out the circulation heating.
Preferably, the recovery equipment used for heating the mixed liquid in the fourth step mainly comprises a gas collecting hopper, a guide pipe, a condenser, a collecting container and toxic gas treatment equipment.
Preferably, in the second step, the mixing of the quantitative nitric acid, the quantitative silver, the quantitative water and the quantitative sodium cyanide is performed in a dark environment, and a shielding cover on the top end of the mixing container needs to be covered in time after the addition is completed.
Preferably, the built-in vibration device of the heating device in the fourth step mainly comprises a support plate, a vibration motor and a positioning mechanism, and the positioning mechanism is electrically controlled.
Preferably, the heating device used in the fourth step is provided with a built-in air cooling device, and when the drying operation in the sixth step is completed, the air cooling device can be quickly started to cool the containing container after the shielding cover is closed.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the silver cyanide is heated and dried by using the circulating air, the vibration device is used for performing vibration operation in the drying process, the electric stirring device is used for performing stirring operation, the volatile toxic gas is condensed and collected in the drying process, and the dried sealed container is rapidly cooled by the air cooling device, so that the silver cyanide is pre-crushed, the drying efficiency of the silver cyanide is improved, the phenomenon that the silver cyanide is attached to the outer side of the container and is not convenient to clean is avoided to the greatest extent, meanwhile, the waste of heat energy in the drying process is avoided to the greatest extent, and the safety of the silver cyanide during drying is ensured.
Detailed Description
Example 1:
the invention provides a technical scheme that:
a method for drying silver cyanide comprises the following steps:
the method comprises the following steps: weighing quantitative metal silver and nitric acid by a weighing device, then weighing quantitative water and quantitative sodium cyanide, and then respectively putting the water and the sodium cyanide into respective containers;
step two: putting the weighed quantitative silver and nitric acid into a mixing container at the same time, completely dissolving the silver, then adding the quantitative water weighed in the step one for dilution, adding the weighed quantitative sodium cyanide into the mixed solution after dilution, and closing a shielding cover of the mixing container after reaction;
step three: separating and washing the precipitate obtained in the step two, and then putting the precipitate into a holding container;
step four: placing the sediment containing container washed in the third step into heating equipment for heating, placing the container on the top end of built-in vibration equipment of the heating equipment and the bottom end of built-in recovery equipment when placing the container, and then controlling to open a shielding cover of the containing container;
step five: starting the heating equipment, wherein the heating equipment can continuously heat the accommodating container of the precipitate at the moment, the built-in vibration equipment of the heating equipment can be started at the moment, so that the accommodating container is continuously vibrated, and the built-in recovery equipment of the heating equipment can also be started;
step six: the drying time of the precipitate is set through an internal controller of the heating equipment, when the precipitate reaches the drying time, an external alarm of the heating equipment gives an alarm, the device automatically stops, and meanwhile, a shielding cover of the containing container automatically closes;
step seven: taking out the container, pouring out the dried silver cyanide, and collecting the silver cyanide.
The container used in the second step is a mixing container made of ceramic materials, and an electric stirring device is fixed in the mixing container, the arrangement avoids the effect of shading light and the phenomenon that the container is corroded, so that the mixing effect of the mixture is better, when the heating device heats the precipitate in the fifth step, only the side wall part of the containing container is heated, and the electric stirring device is arranged in the containing container, the containing container used in the third step is also a container made of ceramic materials, and the shielding cover of the containing container is electrically controlled, the arrangement facilitates the control of opening and closing the containing container, ensures the vibration effect of the containing container, simultaneously plays the role of shading light, avoids the phenomenon that silver cyanide precipitate is discolored when being exposed to light to the greatest extent, realizes the pre-crushing of silver cyanide, and when the containing container is heated in the fourth step, the method comprises the following steps of heating the silver cyanide by drawing air through an electric heating pipe by a fan, blowing the air to the outer side of a containing container for heat conduction, drying the silver cyanide, and circularly heating the heated gas by the fan again, wherein the heating effect is ensured by the arrangement, meanwhile, the waste of heat energy is avoided to the maximum extent by circularly heating the gas with residual heat, the recovery equipment used when heating the mixed liquid in the fourth step mainly comprises a gas collecting hopper, a guide pipe, a condenser, a collecting container and toxic gas treatment equipment, the arrangement is convenient for intensively collecting and treating the dried gas and the toxic gas, the safety of a working environment is ensured, when mixing the quantitative nitric acid, the quantitative silver, the quantitative water and the quantitative sodium cyanide in the second step, the mixing is carried out in a dark environment, and a shielding cover at the top end of the mixing container needs to be covered in time after the addition is completed, this kind sets up the phenomenon that the biggest avoided the silver cyanide that generates to meet the light and appear discolouring, the built-in vibrations equipment of heating device in step four is whole mainly including backup pad, vibrating motor and positioning mechanism, and positioning mechanism is electric control, and this kind of setting has guaranteed the stable heating and the vibrations operation of the container that holds that is equipped with the silver cyanide precipitate, and the at utmost has avoided the precipitate to appear firmly attached to the phenomenon on holding the container inner wall after the heating, the heating device that uses in step four is from taking built-in air cooling equipment, and when accomplishing the stoving operation in step six, and air cooling equipment can the quick start to close the container that holds after sheltering from the lid and cool down, and this kind of setting has made things convenient for taking out fast of holding the container, has guaranteed the drying efficiency of silver cyanide.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (8)
1. A method for drying silver cyanide is characterized in that: the method comprises the following steps:
the method comprises the following steps: weighing quantitative metal silver and nitric acid by a weighing device, then weighing quantitative water and quantitative sodium cyanide, and then respectively putting the water and the sodium cyanide into respective containers;
step two: putting the weighed quantitative silver and nitric acid into a mixing container at the same time, completely dissolving the silver, then adding the quantitative water weighed in the step one for dilution, adding the weighed quantitative sodium cyanide into the mixed solution after dilution, and closing a shielding cover of the mixing container after reaction;
step three: separating and washing the precipitate obtained in the step two, and then putting the precipitate into a holding container;
step four: placing the sediment containing container washed in the third step into heating equipment for heating, placing the container on the top end of built-in vibration equipment of the heating equipment and the bottom end of built-in recovery equipment when placing the container, and then controlling to open a shielding cover of the containing container;
step five: starting the heating equipment, wherein the heating equipment can continuously heat the accommodating container of the precipitate at the moment, the built-in vibration equipment of the heating equipment can be started at the moment, so that the accommodating container is continuously vibrated, and the built-in recovery equipment of the heating equipment can also be started;
step six: the drying time of the precipitate is set through an internal controller of the heating equipment, when the precipitate reaches the drying time, an external alarm of the heating equipment gives an alarm, the device automatically stops, and meanwhile, a shielding cover of the containing container automatically closes;
step seven: taking out the container, pouring out the dried silver cyanide, and collecting the silver cyanide.
2. The method of claim 1, wherein the silver cyanide drying process comprises: and the container used in the second step is a mixing container made of ceramic materials, and electric stirring equipment is fixed in the mixing container.
3. The method of claim 1, wherein the silver cyanide drying process comprises: when the heating equipment heats the precipitate in the step five, only the side wall part of the containing container is heated, and the containing container is internally provided with the electric stirring equipment, the containing container used in the step three is also a container made of ceramic materials, and the shielding cover of the containing container is electrically controlled.
4. The method of claim 1, wherein the silver cyanide drying process comprises: when heating the container in step four, the fan is used for drawing air to heat through the electric heating pipe, and then the air is blown to the outside of the container to conduct heat conduction, so that the silver cyanide is dried, and the heated gas can be drawn by the fan again to be subjected to cyclic heating.
5. The method of claim 1, wherein the silver cyanide drying process comprises: and in the fourth step, the recovery equipment used for heating the mixed liquid integrally mainly comprises a gas collecting hopper, a guide pipe, a condenser, a collecting container and toxic gas treatment equipment.
6. The method of claim 1, wherein the silver cyanide drying process comprises: and in the second step, when the quantitative nitric acid, the quantitative silver, the quantitative water and the quantitative sodium cyanide are mixed, the mixing is carried out in a dark environment, and a shielding cover at the top end of the mixing container needs to be covered in time after the addition is finished.
7. The method of claim 1, wherein the silver cyanide drying process comprises: the built-in vibration equipment of the heating equipment in the fourth step mainly comprises a supporting plate, a vibration motor and a positioning mechanism, and the positioning mechanism is electrically controlled.
8. The method of claim 1, wherein the silver cyanide drying process comprises: the heating equipment used in the fourth step is provided with built-in air cooling equipment, and when the drying operation in the sixth step is completed, the air cooling equipment can be quickly started to cool the containing container after the shielding cover is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110458146.0A CN113188309A (en) | 2021-04-27 | 2021-04-27 | Method for drying silver cyanide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110458146.0A CN113188309A (en) | 2021-04-27 | 2021-04-27 | Method for drying silver cyanide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113188309A true CN113188309A (en) | 2021-07-30 |
Family
ID=76979424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110458146.0A Pending CN113188309A (en) | 2021-04-27 | 2021-04-27 | Method for drying silver cyanide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113188309A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202254681U (en) * | 2011-09-13 | 2012-05-30 | 烟台招金励福贵金属股份有限公司 | Silver cyanide dryer |
| CN104250012A (en) * | 2014-09-27 | 2014-12-31 | 深圳市鑫鸿发环保设备有限公司 | Silver cyanide manufacturing technology and equipment thereof |
| CN204352585U (en) * | 2014-12-11 | 2015-05-27 | 江苏东昉纺织科技有限公司 | A kind of PUR cloth pasting machine butanone retracting device |
| CN208504980U (en) * | 2018-06-09 | 2019-02-15 | 江苏宏泰橡胶助剂有限公司 | A kind of drying box for insoluble sulfur production |
| CN109668400A (en) * | 2018-12-21 | 2019-04-23 | 武威天马饲料有限公司 | A kind of feed drying agitating device |
| CN210441538U (en) * | 2019-08-19 | 2020-05-01 | 江西科美香料有限公司 | Full-automatic high-efficient drying device of benflumetol amide |
-
2021
- 2021-04-27 CN CN202110458146.0A patent/CN113188309A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202254681U (en) * | 2011-09-13 | 2012-05-30 | 烟台招金励福贵金属股份有限公司 | Silver cyanide dryer |
| CN104250012A (en) * | 2014-09-27 | 2014-12-31 | 深圳市鑫鸿发环保设备有限公司 | Silver cyanide manufacturing technology and equipment thereof |
| CN204352585U (en) * | 2014-12-11 | 2015-05-27 | 江苏东昉纺织科技有限公司 | A kind of PUR cloth pasting machine butanone retracting device |
| CN208504980U (en) * | 2018-06-09 | 2019-02-15 | 江苏宏泰橡胶助剂有限公司 | A kind of drying box for insoluble sulfur production |
| CN109668400A (en) * | 2018-12-21 | 2019-04-23 | 武威天马饲料有限公司 | A kind of feed drying agitating device |
| CN210441538U (en) * | 2019-08-19 | 2020-05-01 | 江西科美香料有限公司 | Full-automatic high-efficient drying device of benflumetol amide |
Non-Patent Citations (1)
| Title |
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| 刘庆杰;: "氰化银法生产氰化银钾的生产实践" * |
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Application publication date: 20210730 |