CN113003618A - Production line for producing high-purity nickel protoxide by direct oxidation method of metallic nickel and production process thereof - Google Patents
Production line for producing high-purity nickel protoxide by direct oxidation method of metallic nickel and production process thereof Download PDFInfo
- Publication number
- CN113003618A CN113003618A CN202110225640.2A CN202110225640A CN113003618A CN 113003618 A CN113003618 A CN 113003618A CN 202110225640 A CN202110225640 A CN 202110225640A CN 113003618 A CN113003618 A CN 113003618A
- Authority
- CN
- China
- Prior art keywords
- baffle
- plate
- limiting plate
- fixedly connected
- production line
- 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.)
- Pending
Links
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 16
- 230000003647 oxidation Effects 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 230000035939 shock Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 230000032683 aging Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 239000011344 liquid material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 230000000903 blocking effect Effects 0.000 abstract description 4
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 208000005623 Carcinogenesis Diseases 0.000 description 1
- 229910001053 Nickel-zinc ferrite Inorganic materials 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036952 cancer formation Effects 0.000 description 1
- 231100000504 carcinogenesis Toxicity 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/04—Oxides; Hydroxides
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a production line and a production process for producing high-purity nickelous oxide by a direct oxidation method of metallic nickel. According to the invention, the baffle plate is rotated by taking the connecting rod as an axis before the filter press runs, when the baffle plate moves to the front of the filter press, the protection of the filter press is completed, the limiting plate is pulled to move to the left side, the limiting plate slides in the guide rail and moves to the front of the baffle plate, the effect of fixing the baffle plate can be achieved, and the problems that the existing production line does not have the effect of blocking splashed liquid in the filter press process, and the solution containing nickel protoxide is easy to contact with operators in the splashing process, so that the life safety of the operators is seriously influenced are solved.
Description
Technical Field
The invention relates to the technical field of nickel protoxide production, in particular to a production line for producing high-purity nickel protoxide by a direct oxidation method of metallic nickel and a production process thereof.
Background
Nickel protoxide is a common inorganic compound, is an oxide of divalent nickel, has a chemical formula of NiO, is green powder, is widely applied in life, is also used for preparing high-purity nickel, is harmful to human health, needs to be protected when in contact, has risks of carcinogenesis and sensitization on human bodies, is used as an adhesion agent and a colorant of enamel in the porcelain pushing industry, is used as a raw material of a pigment in the ceramic industry, and is used as a raw material of nickel-zinc ferrite in the production of magnetic materials. Nickel protoxide need carry out oxidation treatment to metallic nickel through the production line in process of production, but current production line does not possess the effect of stopping the liquid that splashes in the filter-pressing process, contains the solution that contains with nickel protoxide and contacts with operating personnel easily at the in-process that splashes, has seriously influenced operating personnel's life safety.
Disclosure of Invention
In order to solve the problems in the background art, the invention aims to provide a production line for producing high-purity nickelous oxide by a direct oxidation method of metallic nickel and a production process thereof, which have the advantage of blocking filter-pressing splashing solution, and solve the problems that the existing production line does not have the effect of blocking splashing liquid in the filter-pressing process, the solution containing nickelous oxide is easy to contact with operators in the splashing process, and the life safety of the operators is seriously influenced.
In order to achieve the purpose, the invention provides the following technical scheme: the production line comprises a bottom plate, wherein a dryer is fixedly connected to the top of the bottom plate, the top of the bottom plate is fixedly connected with the left reaction kettle of the dryer, the top of the bottom plate is fixedly connected with a pressure filter on the front side of the dryer, vertical plates are fixedly connected to the front top and the bottom of the pressure filter, a connecting rod is movably connected to the inside of each vertical plate, a baffle on the front side of the pressure filter is fixedly connected to the surface of the connecting rod, a connecting plate is fixedly connected to the right side of the pressure filter, guide rails are fixedly connected to the front top and the bottom of the connecting plate, and a limiting plate on the front side of the baffle is slidably connected to the inside of each guide rail.
Preferably, the front surface of the guide rail is provided with a sliding groove, the front surface of the guide rail is provided with a bolt, the rear end of the bolt sequentially penetrates through the sliding groove and the limiting plate and extends into the limiting plate, and the limiting plate is in threaded connection with the bolt.
Preferably, the front surface of the limiting plate is fixedly connected with a handle, and the handle is made of an insulating material.
Preferably, the top and the bottom of the front surface of the filter press are fixedly connected with shock-absorbing pads, and one side of the shock-absorbing pads, which is far away from the filter press, is in contact with the back surface of the baffle plate.
Preferably, the inner side of the vertical plate is provided with a torsion spring sleeved on the surface of the connecting rod, and one side of the torsion spring, which is far away from the vertical plate, extends to the back of the baffle plate.
Preferably, the surface of the connecting rod is in threaded connection with a nut positioned on the outer side of the vertical plate, and the inner side of the nut is in contact with the surface of the vertical plate.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the baffle plate is rotated by taking the connecting rod as an axis before the filter press runs, when the baffle plate moves to the front of the filter press, the protection of the filter press is completed, the limiting plate is pulled to move to the left side, the limiting plate slides in the guide rail and moves to the front of the baffle plate, the effect of fixing the baffle plate can be achieved, the baffle plate is prevented from displacing in the running process of the filter press, the problem that the existing production line does not have the effect of blocking splashed liquid in the filter press process, and the problem that the solution containing nickel protoxide is easy to contact with operators in the splashing process, so that the life safety of the operators is seriously influenced is solved.
2. According to the invention, the limiting plate can be guided by arranging the sliding chute and the bolt, so that the limiting plate is prevented from being separated from the guide rail.
3. According to the invention, the handle is arranged, so that a user can conveniently pull the limiting plate to move, and the contact area between the limiting plate and the hand of the user can be increased.
4. According to the invention, the shock pad is arranged, so that the impact force generated when the baffle plate is reset can be reduced, and the dry collision between the baffle plate and the filter press is avoided.
5. The baffle plate can be supported by arranging the torsion spring, so that the baffle plate has a resetting effect, and the operation steps of the user for rotating the baffle plate in a reciprocating manner are saved.
6. According to the invention, the nut is arranged, so that the connecting rod can be limited, the contact area between the connecting rod and the vertical plate is increased, and the connecting rod is prevented from driving the baffle plate to longitudinally displace.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of a partial structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: 1. a base plate; 2. a dryer; 3. a reaction kettle; 4. a filter press; 5. a vertical plate; 6. a connecting rod; 7. a baffle plate; 8. a connecting plate; 9. a guide rail; 10. a limiting plate; 11. a chute; 12. a bolt; 13. a handle; 14. a shock pad; 15. a torsion spring; 16. and (4) a nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention.
As shown in fig. 1 to 3, the production line for producing high-purity nickel protoxide by using a direct oxidation method of metal nickel, provided by the invention, comprises a bottom plate 1, wherein the top of the bottom plate 1 is fixedly connected with a dryer 2, the top of the bottom plate 1 is fixedly connected with a reaction kettle 3 positioned on the left side of the dryer 2, the top of the bottom plate 1 is fixedly connected with a filter press 4 positioned on the front side of the dryer 2, the top and the bottom of the front side of the filter press 4 are both fixedly connected with vertical plates 5, the inside of each vertical plate 5 is movably connected with a connecting rod 6, the surface of each connecting rod 6 is fixedly connected with a baffle 7 positioned on the front side of the filter press 4, the right side of the filter press 4 is fixedly connected with a connecting plate 8, the top and the bottom.
Referring to fig. 3, a sliding groove 11 is formed in the front surface of the guide rail 9, a bolt 12 is disposed on the front surface of the guide rail 9, a rear end of the bolt 12 sequentially penetrates through the sliding groove 11 and the limiting plate 10 and extends into the limiting plate 10, and the limiting plate 10 is in threaded connection with the bolt 12.
As a technical optimization scheme of the invention, the limiting plate 10 can be guided by arranging the sliding groove 11 and the bolt 12, so that the limiting plate 10 is prevented from being separated from the guide rail 9.
Referring to fig. 3, a handle 13 is fixedly connected to the front surface of the position-limiting plate 10, and the handle 13 is made of an insulating material.
As a technical optimization scheme of the invention, the handle 13 is arranged, so that a user can conveniently pull the limiting plate 10 to move, and the contact area between the limiting plate 10 and the hand of the user can be increased.
Referring to fig. 1, a shock absorbing pad 14 is fixedly connected to the top and the bottom of the front surface of the filter press 4, and one side of the shock absorbing pad 14 away from the filter press 4 is in contact with the back surface of the baffle 7.
As a technical optimization scheme of the invention, the shock absorption pad 14 is arranged, so that the impact force generated when the baffle 7 is reset can be reduced, and the dry collision between the baffle 7 and the filter press 4 is avoided.
Referring to fig. 3, the inner side of the vertical plate 5 is provided with a torsion spring 15 sleeved on the surface of the connecting rod 6, and one side of the torsion spring 15 away from the vertical plate 5 extends to the back of the baffle 7.
As a technical optimization scheme of the invention, the baffle 7 can be supported by arranging the torsion spring 15, so that the baffle 7 has a resetting effect, and the operation steps of a user for rotating the baffle 7 in a reciprocating manner are saved.
Referring to fig. 3, a nut 16 located outside the vertical plate 5 is threadedly coupled to a surface of the connecting rod 6, and an inner side of the nut 16 is in contact with a surface of the vertical plate 5.
As a technical optimization scheme of the invention, the connecting rod 6 can be limited by arranging the nut 16, so that the contact area between the connecting rod 6 and the vertical plate 5 is increased, and the connecting rod 6 is prevented from driving the baffle 7 to longitudinally displace.
According to the process, firstly, oxidation reaction treatment is carried out on metal nickel through a reaction kettle 3, after a mixed solution is aged and hydrolyzed, liquid and liquid substances are subjected to filter pressing separation through a filter press 4, and finally an extract is dried through a dryer 2, so that the production of nickel protoxide is completed, before the filter press 4 runs, a user firstly rotates a baffle 7 with a connecting rod 6 as an axis, when the baffle 7 moves to the front side of the filter press 4 and contacts with the front side of a damping pad 14, the protection of the filter press 4 is completed, the user pulls a limiting plate 10 to move to the left side through a handle 13, the limiting plate 10 slides in a guide rail 9 and moves to the front side of the baffle 7, when the limiting plate 10 moves to the maximum stroke, the fixing of the baffle 7 is completed, and the baffle 7 is prevented from moving in the running process of the filter press 4.
Claims (7)
1. The utility model provides a production line of high-purity nickel protoxide of direct oxidation method of metallic nickel, includes bottom plate (1), its characterized in that: the top fixedly connected with drying-machine (2) of bottom plate (1), the top fixedly connected with of bottom plate (1) is located left reation kettle (3) of drying-machine (2), the top fixedly connected with of bottom plate (1) is located positive pressure filter (4) of drying-machine (2), the positive top of pressure filter (4) and the equal fixedly connected with riser (5) in bottom, the inside swing joint of riser (5) has connecting rod (6), the fixed surface of connecting rod (6) is connected with and is located positive baffle (7) of pressure filter (4), the right side fixedly connected with connecting plate (8) of pressure filter (4), the positive top of connecting plate (8) and the equal fixedly connected with guide rail (9) in bottom, the inside sliding connection of guide rail (9) has and is located positive limiting plate (10) of baffle (7).
2. The production line for producing the high-purity nickel protoxide by the direct oxidation of the metallic nickel according to claim 1 is characterized in that: spout (11) have been seted up in the front of guide rail (9), the front of guide rail (9) is provided with bolt (12), the rear end of bolt (12) runs through spout (11) and limiting plate (10) in proper order and extends to the inside of limiting plate (10), limiting plate (10) and bolt (12) threaded connection.
3. The production line for producing the high-purity nickel protoxide by the direct oxidation of the metallic nickel according to claim 1 is characterized in that: the front surface of the limiting plate (10) is fixedly connected with a handle (13), and the handle (13) is made of an insulating material.
4. The production line for producing the high-purity nickel protoxide by the direct oxidation of the metallic nickel according to claim 1 is characterized in that: the top and the bottom of the front surface of the filter press (4) are fixedly connected with shock pads (14), and one side, far away from the filter press (4), of each shock pad (14) is in contact with the back surface of the baffle (7).
5. The production line for producing the high-purity nickel protoxide by the direct oxidation of the metallic nickel according to claim 1 is characterized in that: the inner side of the vertical plate (5) is provided with a torsion spring (15) sleeved on the surface of the connecting rod (6), and one side, far away from the vertical plate (5), of the torsion spring (15) extends to the back of the baffle (7).
6. The production line for producing the high-purity nickel protoxide by the direct oxidation of the metallic nickel according to claim 1 is characterized in that: the surface of the connecting rod (6) is in threaded connection with a nut (16) located on the outer side of the vertical plate (5), and the inner side of the nut (16) is in contact with the surface of the vertical plate (5).
7. A production process for producing high-purity nickel protoxide by a direct oxidation method of metallic nickel is characterized by comprising the following steps: at first carry out oxidation reaction through reation kettle to metallic nickel and handle, after the mixed solution is hydrolyzed through ageing, carry out the filter-pressing separation to liquid and liquid material through the pressure filter, carry out the drying to the extract product through the drying-machine at last, thereby accomplish the production to nickel protoxide, before the pressure filter operation, the user at first uses the connecting rod as axle center rotating baffle, when the baffle removes to the front of pressure filter and when contacting with the front of shock pad, accomplish the protection to the pressure filter, the user passes through handle pulling limiting plate and removes to the left side, the limiting plate slides and removes to the front of baffle in the inside of guide rail, when the limiting plate removes to the biggest stroke, accomplish the fixed to the baffle, avoid the baffle to appear the displacement in pressure filter operation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110225640.2A CN113003618A (en) | 2021-03-01 | 2021-03-01 | Production line for producing high-purity nickel protoxide by direct oxidation method of metallic nickel and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110225640.2A CN113003618A (en) | 2021-03-01 | 2021-03-01 | Production line for producing high-purity nickel protoxide by direct oxidation method of metallic nickel and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113003618A true CN113003618A (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110225640.2A Pending CN113003618A (en) | 2021-03-01 | 2021-03-01 | Production line for producing high-purity nickel protoxide by direct oxidation method of metallic nickel and production process thereof |
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| CN (1) | CN113003618A (en) |
Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1890183A (en) * | 2003-12-04 | 2007-01-03 | 特克萨科双向电池系统有限责任公司 | Process for making nickel hydroxide |
| CN101264942A (en) * | 2008-04-22 | 2008-09-17 | 吉林市金泰化工有限公司 | Method and device for producing high-grade nickel oxide |
| CN203458859U (en) * | 2013-07-30 | 2014-03-05 | 重庆新华化工有限公司 | Washing and blanking anti-splash device of membrane filter press |
| CN103845932A (en) * | 2014-04-03 | 2014-06-11 | 厦门烟草工业有限责任公司 | Protective device for preventing sludge of sewage filter press from splashing |
| CN105457358A (en) * | 2015-12-16 | 2016-04-06 | 无锡吉进环保科技有限公司 | Scraper structure of improved automatic filter press |
| CN205634920U (en) * | 2016-05-27 | 2016-10-12 | 上海绿澄环保科技有限公司 | Utilize device of acid etching solution and alkaline etching liquid preparation oxo -chlorination copper |
| CN205867679U (en) * | 2016-05-30 | 2017-01-11 | 核工业烟台同兴实业有限公司 | Novel track protector of quick horizontal pressure filter of intelligence |
| CN206229405U (en) * | 2016-12-02 | 2017-06-09 | 南阳师范学院 | A kind of chemistry experiment operating table apparatus |
| CN206276078U (en) * | 2016-12-14 | 2017-06-27 | 安徽省通源环保科技有限公司 | Blowout prevention mud device |
| CN107080988A (en) * | 2017-05-23 | 2017-08-22 | 苏子战 | Press filtration machine protective cover |
| CN207996467U (en) * | 2018-01-29 | 2018-10-23 | 赣州齐畅新材料有限公司 | A kind of solid-liquid separating filter press |
| CN109289266A (en) * | 2018-11-20 | 2019-02-01 | 苏子战 | A kind of protection mechanism of filter press filter board |
| CN208554561U (en) * | 2018-06-20 | 2019-03-01 | 广东水电二局股份有限公司 | A kind of protective device of discarded concrete regenerated coarse aggregate production line |
| CN110095281A (en) * | 2018-01-27 | 2019-08-06 | 蒋盼盼 | A kind of gear box test bed of wind generating set |
| CN209441421U (en) * | 2018-12-13 | 2019-09-27 | 荥经华盛冶金科技有限公司 | A kind of stable feed device |
| CN110565421A (en) * | 2019-09-10 | 2019-12-13 | 江苏兴达钢帘线股份有限公司 | Stranding machine housing protective door opening device |
| CN210356329U (en) * | 2019-06-21 | 2020-04-21 | 浙江泳盛环境科技有限公司 | Filter press filtering device with antigravity function |
| CN210797077U (en) * | 2019-09-10 | 2020-06-19 | 江苏兴达钢帘线股份有限公司 | Stranding machine housing protective door opening device |
| CN211495641U (en) * | 2020-01-15 | 2020-09-15 | 詹坚雄 | A pressure filter protective structure for ore production |
| CN211616153U (en) * | 2020-06-10 | 2020-10-02 | 陈江华 | Puncher for municipal works |
| CN211942254U (en) * | 2020-03-26 | 2020-11-17 | 鞍山市天华木业有限公司 | Supporting table for press |
| CN211963204U (en) * | 2019-12-29 | 2020-11-20 | 辽宁麦格尼科技有限公司 | Protective structure of plate-frame filter press |
| CN212116585U (en) * | 2020-03-26 | 2020-12-11 | 威海胶东伯瑞农业发展股份有限公司 | Blueberry inoculation is with high-efficient group's device of cultivateing |
| CN112317758A (en) * | 2019-08-05 | 2021-02-05 | 涂传鉷 | Preparation method of nano nickel |
-
2021
- 2021-03-01 CN CN202110225640.2A patent/CN113003618A/en active Pending
Patent Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1890183A (en) * | 2003-12-04 | 2007-01-03 | 特克萨科双向电池系统有限责任公司 | Process for making nickel hydroxide |
| CN101264942A (en) * | 2008-04-22 | 2008-09-17 | 吉林市金泰化工有限公司 | Method and device for producing high-grade nickel oxide |
| CN203458859U (en) * | 2013-07-30 | 2014-03-05 | 重庆新华化工有限公司 | Washing and blanking anti-splash device of membrane filter press |
| CN103845932A (en) * | 2014-04-03 | 2014-06-11 | 厦门烟草工业有限责任公司 | Protective device for preventing sludge of sewage filter press from splashing |
| CN105457358A (en) * | 2015-12-16 | 2016-04-06 | 无锡吉进环保科技有限公司 | Scraper structure of improved automatic filter press |
| CN205634920U (en) * | 2016-05-27 | 2016-10-12 | 上海绿澄环保科技有限公司 | Utilize device of acid etching solution and alkaline etching liquid preparation oxo -chlorination copper |
| CN205867679U (en) * | 2016-05-30 | 2017-01-11 | 核工业烟台同兴实业有限公司 | Novel track protector of quick horizontal pressure filter of intelligence |
| CN206229405U (en) * | 2016-12-02 | 2017-06-09 | 南阳师范学院 | A kind of chemistry experiment operating table apparatus |
| CN206276078U (en) * | 2016-12-14 | 2017-06-27 | 安徽省通源环保科技有限公司 | Blowout prevention mud device |
| CN107080988A (en) * | 2017-05-23 | 2017-08-22 | 苏子战 | Press filtration machine protective cover |
| CN110095281A (en) * | 2018-01-27 | 2019-08-06 | 蒋盼盼 | A kind of gear box test bed of wind generating set |
| CN207996467U (en) * | 2018-01-29 | 2018-10-23 | 赣州齐畅新材料有限公司 | A kind of solid-liquid separating filter press |
| CN208554561U (en) * | 2018-06-20 | 2019-03-01 | 广东水电二局股份有限公司 | A kind of protective device of discarded concrete regenerated coarse aggregate production line |
| CN109289266A (en) * | 2018-11-20 | 2019-02-01 | 苏子战 | A kind of protection mechanism of filter press filter board |
| CN209441421U (en) * | 2018-12-13 | 2019-09-27 | 荥经华盛冶金科技有限公司 | A kind of stable feed device |
| CN210356329U (en) * | 2019-06-21 | 2020-04-21 | 浙江泳盛环境科技有限公司 | Filter press filtering device with antigravity function |
| CN112317758A (en) * | 2019-08-05 | 2021-02-05 | 涂传鉷 | Preparation method of nano nickel |
| CN110565421A (en) * | 2019-09-10 | 2019-12-13 | 江苏兴达钢帘线股份有限公司 | Stranding machine housing protective door opening device |
| CN210797077U (en) * | 2019-09-10 | 2020-06-19 | 江苏兴达钢帘线股份有限公司 | Stranding machine housing protective door opening device |
| CN211963204U (en) * | 2019-12-29 | 2020-11-20 | 辽宁麦格尼科技有限公司 | Protective structure of plate-frame filter press |
| CN211495641U (en) * | 2020-01-15 | 2020-09-15 | 詹坚雄 | A pressure filter protective structure for ore production |
| CN211942254U (en) * | 2020-03-26 | 2020-11-17 | 鞍山市天华木业有限公司 | Supporting table for press |
| CN212116585U (en) * | 2020-03-26 | 2020-12-11 | 威海胶东伯瑞农业发展股份有限公司 | Blueberry inoculation is with high-efficient group's device of cultivateing |
| CN211616153U (en) * | 2020-06-10 | 2020-10-02 | 陈江华 | Puncher for municipal works |
Non-Patent Citations (1)
| Title |
|---|
| 舒万艮: "《有色金属精细化工产品生产与应用》", 31 December 1995, 中南工业大学出版社 * |
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Application publication date: 20210622 |
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| RJ01 | Rejection of invention patent application after publication |