CN108060434B - Metallic sodium discharging scraper transferring protective cover - Google Patents
Metallic sodium discharging scraper transferring protective cover Download PDFInfo
- Publication number
- CN108060434B CN108060434B CN201710653404.4A CN201710653404A CN108060434B CN 108060434 B CN108060434 B CN 108060434B CN 201710653404 A CN201710653404 A CN 201710653404A CN 108060434 B CN108060434 B CN 108060434B
- Authority
- CN
- China
- Prior art keywords
- sodium
- sealing cover
- cover
- annular
- scraper
- 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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Links
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title claims abstract description 46
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 46
- 239000011734 sodium Substances 0.000 title claims abstract description 46
- 238000007599 discharging Methods 0.000 title claims abstract description 18
- 230000001681 protective effect Effects 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 41
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000779 smoke Substances 0.000 claims description 22
- 239000000428 dust Substances 0.000 claims description 10
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 19
- 230000002829 reductive effect Effects 0.000 abstract description 17
- 230000036541 health Effects 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005868 electrolysis reaction Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/02—Electrolytic production, recovery or refining of metals by electrolysis of melts of alkali or alkaline earth metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses a sodium metal sodium discharging scraper transfer protective cover which comprises a sealing cover and a telescopic shell, wherein an observation opening and a lifting handle are arranged at the top of the sealing cover, an observation opening cover is arranged on the observation opening, and the observation opening cover is hinged with the sealing cover. The invention has the advantages that the sodium discharging scraper can be lifted and moved by using the crown block, so that the transferring efficiency of the sodium discharging scraper is greatly improved, and the labor intensity of operators is reduced; by isolating the sodium outlet scraper from the production environment, the scalding of operators caused by the overhigh temperature of the sodium outlet scraper can be avoided, and the occurrence of safety accidents is avoided; reduces the environmental pollution of the production site and is beneficial to the health of staff.
Description
Technical field:
the invention relates to the field of sodium metal production, in particular to a sodium metal sodium discharging scraper transfer protective cover.
The background technology is as follows:
currently, most of the world industrial production of sodium metal adopts an electrolytic sodium chloride method, and the preparation of sodium metal by the electrolysis of sodium chloride is usually carried out in an electrolytic tank. During electrolysis, chlorine gas is discharged at the anode, and when current passes through sodium chloride molten salt, metal sodium and metal calcium are simultaneously reduced, float on the molten salt above the cathode, and overflow from a sodium outlet pipeline. In the process, a sodium outlet scraper is required to be used for dredging the sodium outlet pipeline regularly, so that production accidents caused by blockage of the sodium outlet pipeline are avoided. When the primary electrolysis is completed and before the next electrolysis, if the ion membrane in the electrolytic tank is damaged, a sodium scraper needs to be moved out for slotting. In the process of manually moving the sodium discharge scraper, the safety accident is easy to occur due to the large weight and high temperature of the sodium discharge scraper and the large labor intensity of operators; simultaneously, can follow a large amount of smoke and dust of play sodium pipeline escape when shifting out the sodium scraper, cause very adverse effect to operating personnel's healthy, finally lead to the electrolysis trough to trade membrane inefficiency, greatly reduced sodium metal production efficiency.
The invention comprises the following steps:
the invention aims to provide a metal sodium discharging scraper transferring protective cover which improves production safety, reduces labor intensity and protects physical health of personnel.
The invention is implemented by the following technical scheme: the metal sodium discharging scraper transferring protective cover comprises a sealing cover and a telescopic shell, wherein an observation opening and a lifting handle are arranged at the top of the sealing cover, an observation opening cover is arranged on the observation opening, and the observation opening cover is hinged with the sealing cover; a smoke outlet pipe communicated with the inside of the sealing cover is arranged on the outer wall of the sealing cover, and a fixed cross beam is arranged above the inside of the sealing cover; an annular clamping edge is fixedly arranged on the inner wall of the lower end of the sealing cover, an annular protruding edge is fixedly arranged on the outer wall of the upper end of the telescopic shell, and the annular protruding edge is arranged in the sealing cover and is in up-and-down lap joint with the annular clamping edge; an annular clamping table is fixedly arranged on the outer wall of the lower end of the telescopic shell.
Further, the telescopic shell comprises a plurality of sections of sleeves with radius decreasing in sequence, the outer wall of the upper end of each section of sleeve is fixedly provided with an annular convex edge, the inner wall of the lower end of each section of sleeve is fixedly provided with an annular concave edge, and each two adjacent sleeves are movably lapped with the annular convex edge of the lower sleeve through the annular concave edge of the upper sleeve.
Further, the smoke outlet pipe is communicated with an exhaust port of a negative pressure exhaust fan of the smoke system through a hose.
Furthermore, a pair of L-shaped beam fixing frames are fixedly arranged at the bottom of the sealing cover, and the fixed beams are fixedly arranged between the two beam fixing frames.
Further, a U-shaped handle is arranged on the observation port cover.
Furthermore, the bottom surface of the annular clamping table is fixedly attached with a high-temperature-resistant sealing gasket which is consistent with the shape and the size of the annular clamping table.
The invention has the advantages that: 1. according to the invention, the sodium discharging scraper can be lifted and moved by using the crown block, so that the transferring efficiency of the sodium discharging scraper is greatly improved, the transferring time of the sodium discharging scraper is reduced from 30 minutes to 10 minutes, the transferring time is shortened by two thirds, the film changing efficiency of the electrolytic cell is indirectly improved, the film changing time of the electrolytic cell can be reduced by about 10 minutes, and the production efficiency of sodium metal is improved; meanwhile, the labor intensity of operators is reduced, the number of operators is reduced from original 4 to 2, the personnel cost of 70000 yuan/year is saved, and the personnel cost of production enterprises is reduced; 2. according to the invention, the sodium outlet scraper is isolated from the production environment, so that operators can be prevented from being scalded due to the overhigh temperature of the sodium outlet scraper, and safety accidents are avoided; 3. the smoke dust generated in the scraper transferring process is pumped to a smoke dust absorbing system for treatment by a negative pressure exhaust fan, and the smoke dust concentration of the production site is 56mg/m 3 Reduced to 2.56mg/m 3 The environmental pollution of the production site is reduced, and the health of workers is facilitated.
Description of the drawings:
fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is A-A view of fig. 2.
The sealing cover comprises a sealing cover 1, a telescopic shell 2, a sleeve 2-1, an annular convex edge 2-2, an annular concave edge 2-3, an annular clamping edge 3, an observation port 4, a lifting handle 5, an observation port cover 6, a U-shaped handle 7, a smoke outlet pipe 8, a negative pressure exhaust fan 9, a fixed cross beam 10, a cross beam fixing frame 11, an annular clamping table 12 and a high-temperature-resistant sealing gasket 13.
The specific embodiment is as follows:
example 1:
as shown in fig. 1-3, the metal sodium discharging scraper transferring protective cover comprises a sealing cover 1 and a telescopic shell 2, wherein an observation port 4 and a lifting handle 5 are arranged at the top of the sealing cover 1, an observation port cover 6 is arranged on the observation port 4, the observation port cover 6 is hinged with the sealing cover 1, and a U-shaped handle 7 is arranged on the observation port cover 6; the outer wall of the sealing cover 1 is provided with a smoke outlet pipe 8 communicated with the inside of the sealing cover 1, and the smoke outlet pipe 8 is communicated with an exhaust port of a negative pressure exhaust fan 9 of a smoke and dust system through a hose; a fixed cross beam 10 is arranged above the inside of the sealing cover 1, a pair of L-shaped cross beam fixing frames 11 are fixedly arranged at the bottom of the sealing cover 1, and a fixed cross beam 10 is fixedly arranged between the two cross beam fixing frames 11; an annular clamping edge 3 is fixedly arranged on the inner wall of the lower end of the sealing cover 1, an annular convex edge 2-2 is fixedly arranged on the outer wall of the upper end of the telescopic shell 2, and the annular convex edge 2-2 is arranged in the sealing cover and is in up-and-down lap joint with the annular clamping edge 3; the telescopic shell 2 comprises a plurality of sections of sleeves 2-1 with radius decreasing in sequence, an annular convex edge 2-2 is fixedly arranged on the outer wall of the upper end of each section of sleeve 2-1, an annular concave edge 2-3 is fixedly arranged on the inner wall of the lower end of each section of sleeve 2-1, and every two adjacent sleeves 2-1 are movably lapped with the annular convex edge 2-2 of the lower sleeve 2-1 through the annular concave edge 2-3 of the upper sleeve 2-1. An annular clamping table 12 is fixedly arranged on the outer wall of the lower end of the telescopic shell 2, and a high-temperature-resistant sealing gasket 13 which is consistent with the annular clamping table 12 in shape and size is fixedly attached to the bottom surface of the annular clamping table 12.
The working process comprises the following steps:
firstly, hooking a lifting hook of an overhead travelling crane on a lifting handle 5, moving the embodiment above an outlet of a sodium outlet pipeline of an electrolytic cell through the overhead travelling crane, controlling the overhead travelling crane to descend until an annular clamping table 12 is lapped on the outlet of the sodium outlet pipeline of the electrolytic cell, and enabling the inside of a telescopic shell 2 to be communicated with the inside of the sodium outlet pipeline of the electrolytic cell, wherein the telescopic shell 2 is in a contracted state; the high-temperature-resistant sealing gasket 13 is positioned between the annular clamping table 12 and the outlet of the electrolytic cell cashier pipeline, ensures good sealing between the inside of the sealing cover 1 and the telescopic shell 2 and the electrolytic cell sodium outlet pipeline, and avoids escaping smoke dust in the electrolytic cell sodium outlet pipeline from escaping into the production environment.
Then, the observation port cover 6 is opened by holding the U-shaped handle 7 so as to observe the internal condition of the telescopic shell 2, the T-shaped handle of the sodium outlet scraper is hung on the fixed cross beam 10 in the sealing cover 1 by controlling the position of the crown block, the observation port cover 6 is closed by holding the U-shaped handle 7, and the negative pressure exhaust fan 9 is opened at the same time so that the sealing cover 1 and the inside of the telescopic shell 2 form a negative pressure environment;
finally, controlling the crown block to lift, gradually expanding the telescopic shell 2 along with the lifting of the crown block, and gradually leaving the sodium outlet pipeline of the electrolytic tank along with the expanding of the telescopic shell 2 by a sodium outlet scraper fixed on the fixed cross beam 10; in the process, the telescopic shell 2 isolates the sodium outlet scraper from the production environment, so that operators are prevented from being scalded due to high temperature of the sodium outlet scraper; meanwhile, as the cover 1 and the telescopic shell 2 are in a negative pressure environment, the smoke escaping from the sodium outlet pipeline of the electrolytic cell is discharged from the smoke outlet pipe 8 and pumped into the smoke absorbing system through the negative pressure exhaust fan 9 for absorption, thereby avoiding the smoke from polluting the production environment and adversely affecting the health of operators.
According to the embodiment, the sodium discharging scraper can be lifted and moved by using the crown block, compared with the manual movement of the sodium discharging scraper, the transferring time of the sodium discharging scraper is reduced from 30min to 10min, the transferring time is shortened by two thirds, and the transferring efficiency of the sodium discharging scraper is greatly improved; the film changing efficiency of the electrolytic cell is indirectly improved, the film changing time of the electrolytic cell can be reduced by about 10 minutes, and the production efficiency of the sodium metal is improved; meanwhile, the labor intensity of operators is reduced, the number of operators is reduced from original 4 to 2, the personnel cost of 70000 yuan/year is saved, and the personnel cost of production enterprises is reduced; according to the embodiment, the sodium outlet scraper is isolated from the production environment, so that operators can be prevented from being scalded due to the fact that the temperature of the sodium outlet scraper is too high, and safety accidents are avoided; the smoke dust generated in the transferring process of the sodium discharge scraper is pumped to a smoke dust absorbing system for treatment by a negative pressure exhaust fan, and the smoke dust concentration of the production site is 56mg/m 3 Reduced to 2.56mg/m 3 The environmental pollution of the production site is reduced, and the health of workers is facilitated.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (4)
1. The sodium metal sodium discharging scraper transferring protective cover is characterized by comprising a sealing cover and a telescopic shell, wherein an observation opening and a lifting handle are arranged at the top of the sealing cover, an observation opening cover is arranged on the observation opening, and the observation opening cover is hinged with the sealing cover; a smoke outlet pipe communicated with the inside of the sealing cover is arranged on the outer wall of the sealing cover, and a fixed cross beam is arranged above the inside of the sealing cover; an annular clamping edge is fixedly arranged on the inner wall of the lower end of the sealing cover, an annular protruding edge is fixedly arranged on the outer wall of the upper end of the telescopic shell, and the annular protruding edge is arranged in the sealing cover and is in up-and-down lap joint with the annular clamping edge; an annular clamping table is fixedly arranged on the outer wall of the lower end of the telescopic shell; the telescopic shell comprises a plurality of sections of sleeves with radius decreasing in sequence, the outer wall of the upper end of each section of sleeve is fixedly provided with an annular convex edge, the inner wall of the lower end of each section of sleeve is fixedly provided with an annular concave edge, and every two adjacent sleeves are movably overlapped with the annular convex edge of the lower sleeve through the annular concave edge of the upper sleeve; the smoke outlet pipe is communicated with an exhaust port of a negative pressure exhaust fan of the smoke and dust system through a hose.
2. The sodium metal sodium outlet scraper transfer protective cover according to claim 1, wherein a pair of L-shaped beam fixing frames are fixedly arranged at the bottom of the sealing cover, and the fixed beams are fixedly arranged between the two beam fixing frames.
3. The sodium metal out scraper transfer protection cover according to claim 1, wherein the observation port cover is provided with a U-shaped handle.
4. A sodium metal discharging scraper transfer protective cover according to any one of claims 1-3, wherein a high temperature resistant sealing gasket with the same shape and size as the annular clamping table is fixedly attached to the bottom surface of the annular clamping table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710653404.4A CN108060434B (en) | 2017-08-02 | 2017-08-02 | Metallic sodium discharging scraper transferring protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710653404.4A CN108060434B (en) | 2017-08-02 | 2017-08-02 | Metallic sodium discharging scraper transferring protective cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108060434A CN108060434A (en) | 2018-05-22 |
| CN108060434B true CN108060434B (en) | 2023-10-27 |
Family
ID=62137068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710653404.4A Active CN108060434B (en) | 2017-08-02 | 2017-08-02 | Metallic sodium discharging scraper transferring protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108060434B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1411153A1 (en) * | 1986-12-22 | 1988-07-23 | Киевский Завод Строительных Материалов | Hypsum mixer |
| CN201857429U (en) * | 2010-10-14 | 2011-06-08 | 山东默锐化学有限公司 | Automatic lifting and rotating device for scraper |
| CN202347110U (en) * | 2011-11-26 | 2012-07-25 | 山东旭锐化学有限公司 | Receiver of electrolytic cell |
| CN204281873U (en) * | 2014-11-27 | 2015-04-22 | 张鹏 | Sodium Metal 99.5 electrolyzer automatic scraper system |
| CN106540940A (en) * | 2016-10-31 | 2017-03-29 | 重庆市南川区庆岩福利碱厂 | Flue gas ash removal case with dedusting mechanism |
| CN207294904U (en) * | 2017-08-02 | 2018-05-01 | 内蒙古兰太实业股份有限公司 | Metallic sodium goes out sodium scraper transfer protective cover |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015186637A1 (en) * | 2014-06-04 | 2015-12-10 | 日本曹達株式会社 | Method for inactivating sodium metal |
-
2017
- 2017-08-02 CN CN201710653404.4A patent/CN108060434B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1411153A1 (en) * | 1986-12-22 | 1988-07-23 | Киевский Завод Строительных Материалов | Hypsum mixer |
| CN201857429U (en) * | 2010-10-14 | 2011-06-08 | 山东默锐化学有限公司 | Automatic lifting and rotating device for scraper |
| CN202347110U (en) * | 2011-11-26 | 2012-07-25 | 山东旭锐化学有限公司 | Receiver of electrolytic cell |
| CN204281873U (en) * | 2014-11-27 | 2015-04-22 | 张鹏 | Sodium Metal 99.5 electrolyzer automatic scraper system |
| CN106540940A (en) * | 2016-10-31 | 2017-03-29 | 重庆市南川区庆岩福利碱厂 | Flue gas ash removal case with dedusting mechanism |
| CN207294904U (en) * | 2017-08-02 | 2018-05-01 | 内蒙古兰太实业股份有限公司 | Metallic sodium goes out sodium scraper transfer protective cover |
Non-Patent Citations (1)
| Title |
|---|
| 《化工百科全书》编辑委员会.《化工百科全书 第12卷 木材和林产化学品-前列腺素 mu-gian》.化学工业出版社,1996,第第12卷卷第86页. * |
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| Publication number | Publication date |
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| CN108060434A (en) | 2018-05-22 |
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| CB02 | Change of applicant information |
Address after: 750336 Helan District, Alashan Economic Development Zone, Alashan League, Inner Mongolia Autonomous Region Applicant after: China Salt Inner Mongolia Chemical Co.,Ltd. Address before: 750336 Helan District, Alashan Economic Development Zone, Alashan League, Inner Mongolia Autonomous Region Applicant before: INNER MONGOLIA LANTAI INDUSTRIAL Co.,Ltd. |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20220818 Address after: 750336 south of Ulanbuhe street, Alxa Economic Development Zone, Alxa League, Inner Mongolia Autonomous Region (WuSitai town) Applicant after: INNER MONGOLIA LANTAI SODIUM INDUSTRY Co.,Ltd. Applicant after: China Salt Inner Mongolia Chemical Co.,Ltd. Address before: 750336 Helan District, Alashan Economic Development Zone, Alashan League, Inner Mongolia Autonomous Region Applicant before: China Salt Inner Mongolia Chemical Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| CB02 | Change of applicant information |
Address after: 750336 south of Ulanbuhe street, Alxa Economic Development Zone, Alxa League, Inner Mongolia Autonomous Region (WuSitai town) Applicant after: China Salt Inner Mongolia Chemical sodium Industry Co.,Ltd. Applicant after: China Salt Inner Mongolia Chemical Co.,Ltd. Address before: 750336 south of Ulanbuhe street, Alxa Economic Development Zone, Alxa League, Inner Mongolia Autonomous Region (WuSitai town) Applicant before: INNER MONGOLIA LANTAI SODIUM INDUSTRY Co.,Ltd. Applicant before: China Salt Inner Mongolia Chemical Co.,Ltd. |
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