A safe, energy-saving and environmentally friendly electrolytic cell and a construction method thereof

Abstract

The invention discloses a safe, energy-saving and environmentally friendly electrolytic cell and a construction method thereof, belonging to the technical field of electrolytic cells, comprising an electrolytic cell main body, wherein a brucite composite insulation board is arranged at the inner bottom end of the electrolytic cell main body, a xonotlite composite insulation brick is arranged at the upper end of the brucite composite insulation board, a high-strength ceramic fiber board is arranged at the upper end of the xonotlite composite insulation brick, a ceramic vermiculite insulation board is arranged at the upper end of the high-strength ceramic fiber board, a steel plate is arranged at the upper end of the ceramic vermiculite insulation board, an anti-seepage brick is arranged at the upper end of the steel plate, a dry anti-seepage material is arranged at the upper end of the anti-seepage brick, and a sealing cover is arranged at the upper end of the electrolytic cell main body; the invention adopts a novel electrolytic cell construction method, optimizes process conditions, makes the electrolytic cell condition more stable, increases the electrolytic cell life, reduces the overhaul frequency of the electrolytic cell, saves the overhaul cost, increases the aluminum liquid output, improves the use intensity of equipment, and ensures production quality.

Description

Technical Field

[0001] The invention belongs to the technical field of electrolytic cells, and in particular relates to a safe, energy-saving and environmentally friendly electrolytic cell and a construction method thereof. Background Art

[0002] The electrolytic cell consists of a cell body, an anode and a cathode. Most of them use a diaphragm to separate the anode chamber from the cathode chamber. According to the different electrolytes, they are divided into three categories: aqueous solution electrolytic cells, molten salt electrolytic cells and non-aqueous solution electrolytic cells. When direct current passes through the electrolytic cell, an oxidation reaction occurs at the interface between the anode and the solution, and a reduction reaction occurs at the interface between the cathode and the solution to produce the desired product. At the same time, an exhaust fan will be installed above the electrolytic cell to treat the flue gas generated during the electrolysis process. When optimizing the design of the electrolytic cell structure, the reasonable selection of electrode and diaphragm materials is the key to improving current efficiency, reducing cell voltage and saving energy consumption.

[0003] The prior art has the following problems:

[0004] 1. The existing electrolytic cells have high energy consumption and the selected materials have poor performance, which affects the heat balance in the cell, resulting in poor electrolysis effect and affecting production efficiency;

[0005] 2. Since the sealing of the electrolytic cell cannot be guaranteed, the harmful gases generated during the electrolysis process leak from the side walls of the electrolytic cell, causing smoke emissions to affect the quality of the working environment, and will affect the heat balance of the electrolytic cell and reduce the quality of the electrolysis work. Summary of the invention

[0006] In order to solve the problems raised in the above background technology, the present invention provides a safe, energy-saving and environmentally friendly electrolytic cell, which has the characteristics of high material performance, good heat balance in the cell and high sealing and heat preservation quality.

[0007] The invention also provides a safe, energy-saving and environmentally friendly electrolytic cell and a construction method thereof.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a safe, energy-saving and environmentally friendly electrolytic cell, comprising an electrolytic cell body, wherein a brucite composite insulation board is arranged at the inner bottom end of the electrolytic cell body, a xonotlite composite insulation brick is arranged at the upper end of the brucite composite insulation board, a high-strength ceramic fiberboard is arranged at the upper end of the xonotlite composite insulation brick, a ceramic vermiculite insulation board is arranged at the upper end of the high-strength ceramic fiberboard, a steel plate is arranged at the upper end of the ceramic vermiculite insulation board, an anti-seepage brick is arranged at the upper end of the steel plate, a dry anti-seepage material is arranged at the upper end of the anti-seepage brick, a sealing cover is arranged at the upper end of the electrolytic cell body, a cleaning and observation component is arranged inside one side of the sealing cover, a sealing door is symmetrically arranged on the surface of one side of the sealing cover, and a positioning and locking component is arranged at the upper end of the sealing cover corresponding to the sealing door.

[0009] Further in the present invention; the cleaning and observation component includes a hinge, a driving rod, a bevel gear one, a bevel gear two, a cleaning device, a sealing glass plate, a screw, a protective door and a guide rod, wherein a hinge is arranged inside the sealing cover, a protective door is arranged at the bottom end of the hinge, a sealing glass plate is arranged on one side of the protective door, a guide rod is arranged on one side of the sealing glass plate, a screw is arranged on one side of the guide rod, a bevel gear two is arranged on the upper end of the screw, one side of the bevel gear two is meshedly connected with the bevel gear one, a driving rod is arranged on one side of the bevel gear one, and a cleaning device is arranged between the screw and the guide rod.

[0010] In the present invention, a bearing seat is further provided inside the sealing cover corresponding to the driving rod, and a mounting groove is provided inside the sealing cover corresponding to the bevel gear 1 and the bevel gear 2.

[0011] Further in the present invention; the cleaning device includes a movable slider, a limit spring, a cleaning scraper and a connecting block, wherein a movable slider is arranged between the screw rod and the guide rod, a limit spring is arranged inside the movable slider, a connecting block is arranged at one end of the limit spring, and a cleaning scraper is arranged on one side of the connecting block.

[0012] Furthermore, in the present invention, a limiting sliding groove is provided inside the movable sliding block corresponding to the connecting block.

[0013] Further in the present invention; the positioning locking assembly includes a mounting seat, a limit block, a positioning spring, a damping shaft, a swing block, a warning device and a driven block, wherein a mounting seat is arranged in the middle of the upper end of the sealing cover, a plurality of positioning springs are arranged inside the mounting seat, a limit block is arranged at one end of the positioning spring, a damping shaft is arranged on the surface of the mounting seat, a swing block is arranged on the surface of the damping shaft, a driven block is arranged at the bottom end of the swing block, and a warning device is arranged between the swing block and the driven block.

[0014] In the present invention, further, a guide slot is arranged inside the mounting seat corresponding to the swing block, and a positioning slot is arranged inside the swing block corresponding to the limit block.

[0015] Further in the present invention; the warning device includes a battery, a fixing rod, a positioning frame, electrode sheet 1, electrode sheet 2, a mounting column, a compression spring and a warning light, wherein a battery is arranged inside the swing block, a mounting column is arranged on one side of the battery, electrode sheet 1 is arranged at one end of the mounting column, fixing rods are symmetrically arranged on both sides of the mounting column, a compression spring is sleeved on the surface of the fixing rod, a positioning frame is arranged on one side of the compression spring, electrode sheet 2 is arranged inside the driven block corresponding to electrode sheet 1, and a warning light is electrically connected to one side of electrode sheet 2.

[0016] In the present invention, the storage battery is electrically connected to the electrode sheet, and a positioning groove is provided inside the driven block corresponding to the positioning frame.

[0017] In the present invention, a method for constructing a safe, energy-saving and environmentally friendly electrolytic cell comprises the following steps:

[0018] Step 1: Lay a layer of 10mm thick brucite composite insulation board close to the bottom plate of the electrolytic cell body, the gap between the boards is no more than 1mm, and all the gaps are filled with alumina. Lay a layer of 20mm thick ceramic fiber board close to the lower side of the cell shell, the gap between the boards is no more than 1mm, and all the gaps are filled with alumina.

[0019] The second layer is laid with xonotlite composite insulation bricks on top of the brucite composite insulation board. The joints of the bricks are less than 1mm, and all the gaps are filled with alumina.

[0020] The third layer of high-strength ceramic fiberboard is laid on top of the xonotlite composite insulation bricks. The high-strength ceramic fiberboard is dry-laid with staggered joints between layers. All masonry joints are less than 1mm and filled with alumina to ensure that there are no gaps. The gap between the high-strength ceramic fiberboard and the side xonotlite composite insulation bricks is filled with alumina, and a layer of 30mm thick and a layer of 20mm thick high-strength ceramic fiberboard are staggered for paving;

[0021] The fourth layer is paved with ceramic vermiculite insulation board on top of the high-strength ceramic fiberboard. The ceramic vermiculite insulation board is dry-laid with staggered joints between layers. All masonry joints are less than 1mm and filled with alumina to ensure that there are no gaps. The gap between the ceramic vermiculite insulation board and the side xonotlite composite insulation brick is filled with alumina.

[0022] The fifth layer is paved with steel plates. A 2mm thick steel plate is laid close to the upper layer of the ceramic vermiculite insulation board. The steel plates are spliced ​​by spot welding. There is no gap between the steel plate and the ceramic vermiculite insulation board, and the gap between the steel plates is less than 2mm.

[0023] The sixth layer is paved with anti-seepage bricks on top of the steel plate. The anti-seepage bricks are wet laid and the masonry joints are less than 1mm;

[0024] The seventh layer is laid with dry anti-seepage material on top of the anti-seepage bricks and compacted.

[0025] Step 2: When the main body of the electrolytic cell is working, the inside of the main body of the electrolytic cell can be observed. The protective door can be rotated along the hinge to open it. Then the staff can check the situation inside the main body of the electrolytic cell through the sealed glass plate. When it is necessary to deal with the dirt on the surface of the sealed glass plate, the driving rod is rotated to drive the bevel gear 1 to rotate. At the same time, the bevel gear 2 at the bottom of the bevel gear 1 drives the screw to rotate, so that the cleaning device slides along the surface of the sealed glass plate to clean it, thereby improving the observation quality;

[0026] Step 3: When opening the sealed door for feeding, open a single sealed door or two sets of sealed doors as needed. When opening a single sealed door, rotate the swing block along the damping shaft, and at the same time, the positioning slot on the upper end of the swing block rotates. When the limit block corresponds to the positioning slot, the positioning spring resets and pushes the limit block into the positioning slot to limit the swing block. At this time, the single sealed door can be opened for feeding or maintenance, thereby improving the use effect of the equipment. When it is necessary to open both sealed doors at the same time, press the positioning frame to move it along the fixed rod. At this time, the compression spring is compressed. When the positioning frame is retracted into the interior of the swing block, the driven block can be pulled out from the bottom end of the swing block, and then the two sealed doors can be opened at the same time. At this time, the electrode sheet two is separated from the electrode sheet one, and the battery no longer supplies power to the warning light. The staff can know the installation status of the driven block so that the driven block can be reinstalled in time after use to prevent poor sealing of the sealing door from affecting the electrolysis effect.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] 1. The electrolytic cell construction method adopted in the present invention optimizes the process conditions, makes the electrolytic cell condition more stable, increases the electrolytic cell life, reduces the frequency of electrolytic cell overhaul, avoids affecting the output of aluminum liquid, improves the use intensity of the equipment, and ensures production quality.

[0029] 2. The present invention provides a cleaning and observation component, so that the staff can check the internal conditions of the electrolytic cell through the sealing glass plate, thereby improving the use effect of the equipment and facilitating the understanding of the electrolysis conditions. The sealing glass plate is provided to improve the sealing performance of the electrolytic cell, prevent exhaust gas leakage, and ensure that the gas can be completely processed by the exhaust fan above the electrolytic cell, thereby improving the quality of the working environment. The surface of the sealing glass plate can also be cleaned to improve the observation quality.

[0030] 3. The present invention provides a positioning locking assembly, which can open and close a single-leaf or double-leaf sealed door for feeding or maintenance as needed, thereby improving the applicability of the equipment, and can timely remind the staff of the use of the driven block, thereby improving the use effect of the equipment, ensuring the sealing quality, and improving the safety of production work. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of the present invention;

[0032] Figure 2 It is a schematic diagram of the structure of the cleaning observation component of the present invention;

[0033] Figure 3 A side cross-sectional view of a cleaning observation assembly of the present invention;

[0034] Figure 4 It is a schematic diagram of the structure of the cleaning device of the present invention;

[0035] Figure 5 It is a schematic diagram of the structure of the positioning and locking assembly of the present invention;

[0036] Figure 6 It is a schematic diagram of the structure of the warning device of the present invention.

[0037] In the figure: 1. brucite composite insulation board; 2. xonotlite composite insulation brick; 3. high-strength ceramic fiberboard; 4. ceramic vermiculite insulation board; 5. steel plate; 6. anti-seepage brick; 7. dry anti-seepage material; 8. sealed door; 9. sealed cover; 10. cleaning observation assembly; 101. hinge; 102. drive rod; 103. bevel gear one; 104. bevel gear two; 105. cleaning device; 1051. movable slider; 1052. limit spring; 1053. cleaning scraper; 1054. connecting block; 106. sealing glass plate ; 107, screw rod; 108, protective door; 109, guide rod; 11, positioning locking assembly; 111, mounting seat; 112, limit block; 113, positioning spring; 114, damping shaft; 115, swing block; 116, warning device; 1161, battery; 1162, fixing rod; 1163, positioning frame; 1164, electrode sheet one; 1165, electrode sheet two; 1166, mounting column; 1167, compression spring; 1168, warning light; 117, driven block; 12, electrolytic cell body. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] See also Figure 1-6 The present invention provides the following technical solutions: a safe, energy-saving and environmentally friendly electrolytic cell, comprising an electrolytic cell body 12, a brucite composite insulation board 1 is arranged at the bottom of the inner part of the electrolytic cell body 12, a hard calcium silicate composite insulation brick 2 is arranged at the upper end of the brucite composite insulation board 1, a high-strength ceramic fiberboard 3 is arranged at the upper end of the hard calcium silicate composite insulation brick 2, a ceramic vermiculite insulation board 4 is arranged at the upper end of the high-strength ceramic fiberboard 3, a steel plate 5 is arranged at the upper end of the ceramic vermiculite insulation board 4, an anti-seepage brick 6 is arranged at the upper end of the steel plate 5, a dry anti-seepage material 7 is arranged at the upper end of the anti-seepage brick 6, a sealing cover 9 is arranged at the upper end of the electrolytic cell body 12, a cleaning and observation component 10 is arranged inside one side of the sealing cover 9, a sealing door 8 is symmetrically arranged on the surface of one side of the sealing cover 9, and a positioning and locking component 11 is arranged at the upper end of the sealing cover 9 corresponding to the sealing door 8.

[0040] Specifically, the cleaning observation assembly 10 includes a hinge 101, a driving rod 102, a bevel gear 103, a bevel gear 2 104, a cleaning device 105, a sealing glass plate 106, a screw 107, a protective door 108 and a guide rod 109, wherein a hinge 101 is arranged inside the sealing cover 9, a protective door 108 is arranged at the bottom end of the hinge 101, a sealing glass plate 106 is arranged on one side of the protective door 108, a guide rod 109 is arranged on one side of the sealing glass plate 106, a screw 107 is arranged on one side of the guide rod 109, a bevel gear 2 104 is arranged on the upper end of the screw 107, a bevel gear 2 104 is meshedly connected with a bevel gear 103 on one side of the bevel gear 103, a driving rod 102 is arranged on one side of the bevel gear 103, and a cleaning device 105 is arranged between the screw 107 and the guide rod 109.

[0041] By adopting the above technical solution, the interior of the electrolytic cell body 12 can be observed when it is working. The protective door 108 is rotated along the hinge 101 to open it, and then the staff can check the situation inside the electrolytic cell body 12 through the sealing glass plate 106. When it is necessary to deal with the dirt on the surface of the sealing glass plate 106, the driving rod 102 is rotated to drive the bevel gear 103 to rotate, and the bevel gear 2 104 at the bottom of the bevel gear 103 drives the screw 107 to rotate, so that the cleaning device 105 slides along the surface of the sealing glass plate 106 to clean it, thereby improving the observation quality.

[0042] Specifically, a bearing seat is provided inside the sealing cover 9 corresponding to the driving rod 102 , and mounting grooves are provided inside the sealing cover 9 corresponding to the bevel gear 1 103 and the bevel gear 2 104 .

[0043] By adopting the above technical solution, the stability of the driving rod 102 is ensured, the driving quality of the equipment is improved, and the convenience of cleaning work is ensured.

[0044] Specifically, the cleaning device 105 includes a movable slider 1051, a limiting spring 1052, a cleaning scraper 1053 and a connecting block 1054, wherein a movable slider 1051 is arranged between the screw rod 107 and the guide rod 109, a limiting spring 1052 is arranged inside the movable slider 1051, a connecting block 1054 is arranged at one end of the limiting spring 1052, and a cleaning scraper 1053 is arranged on one side of the connecting block 1054.

[0045] By adopting the above technical solution, the limit spring 1052 abuts against one side of the connecting block 1054, so that the cleaning scraper 1053 is continuously pressed against the surface of the sealing glass plate 106, thereby improving the cleaning effect of the sealing glass plate 106 and ensuring the observation quality of the staff.

[0046] Specifically, a limiting sliding groove is provided inside the movable sliding block 1051 corresponding to the connecting block 1054 .

[0047] By adopting the above technical solution, the connection block 1054 is prevented from being separated from the interior of the movable slider 1051, thereby ensuring the stability of the device during use.

[0048] Specifically, the positioning locking assembly 11 includes a mounting seat 111, a limiting block 112, a positioning spring 113, a damping shaft 114, a swing block 115, a warning device 116 and a driven block 117, wherein a mounting seat 111 is arranged in the middle of the upper end of the sealing cover 9, a plurality of positioning springs 113 are arranged inside the mounting seat 111, a limiting block 112 is arranged at one end of the positioning spring 113, a damping shaft 114 is arranged on the surface of the mounting seat 111, a swing block 115 is arranged on the surface of the damping shaft 114, a driven block 117 is arranged at the bottom end of the swing block 115, and a warning device 116 is arranged between the swing block 115 and the driven block 117.

[0049] By adopting the above technical solution, when opening the sealed door 8 for feeding, a single sealed door 8 or two sealed doors 8 are opened as needed. When opening the single sealed door 8, the swing block 115 is rotated along the damping shaft 114, and at the same time, the positioning slot at the upper end of the swing block 115 is rotated. When the limit block 112 corresponds to the positioning slot, the positioning spring 113 is reset and pushes the limit block 112 to be inserted into the positioning slot to limit the swing block 115. At this time, the single sealed door 8 can be opened for feeding or maintenance, thereby improving the use effect of the equipment.

[0050] Specifically, a guide slot is provided inside the mounting seat 111 corresponding to the swing block 115 , and a positioning slot is provided inside the swing block 115 corresponding to the limit block 112 .

[0051] By adopting the above technical solution, it is ensured that the swing block 115 can be positioned after rotation, thereby improving the stability of the equipment and ensuring the limiting effect of the swing block 115 on the sealing door 8.

[0052] Specifically, the warning device 116 includes a battery 1161, a fixing rod 1162, a positioning frame 1163, an electrode sheet 1164, an electrode sheet 2 1165, a mounting column 1166, a compression spring 1167 and a warning light 1168, wherein the battery 1161 is arranged inside the swing block 115, a mounting column 1166 is arranged on one side of the battery 1161, an electrode sheet 1164 is arranged on one end of the mounting column 1166, fixing rods 1162 are symmetrically arranged on both sides of the mounting column 1166, a compression spring 1167 is sleeved on the surface of the fixing rod 1162, a positioning frame 1163 is arranged on one side of the compression spring 1167, an electrode sheet 2 1165 is arranged inside the driven block 117 corresponding to the electrode sheet 1164, and a warning light 1168 is electrically connected to one side of the electrode sheet 2 1165.

[0053] By adopting the above technical solution, when it is necessary to open the two sealing doors 8 at the same time, press the positioning frame 1163 to make it move along the fixing rod 1162. At this time, the clamping spring 1167 is compressed. When the positioning frame 1163 is retracted into the interior of the swing block 115, the driven block 117 can be pulled out from the bottom end of the swing block 115, and then the two sealing doors 8 can be opened at the same time. At this time, the electrode sheet 2 1165 is separated from the electrode sheet 1 1164, and the battery 1161 no longer supplies power to the warning light 1168. The staff can know the installation status of the driven block 117 so that the driven block 117 can be reinstalled in time after use to prevent the poor sealing of the sealing door 8 from affecting the electrolysis effect.

[0054] Specifically, the storage battery 1161 is electrically connected to the electrode sheet 1164 , and a positioning groove is provided inside the driven block 117 corresponding to the positioning frame 1163 .

[0055] By adopting the above technical solution, it is ensured that when the driven block 117 and the swing block 115 are assembled, the battery 1161 can supply power to the warning light 1168 to ensure the warning effect of the equipment.

[0056] When the electrolytic cell body 12 of the present invention is constructed, a layer of 10 mm thick brucite composite insulation board 1 is laid close to the bottom plate of the electrolytic cell body 12, the gap between the boards is not larger than 1 mm, and all the gaps are filled with alumina. A layer of 20 mm thick ceramic fiber board is laid close to the lower part of the tank shell side, the gap between the boards is not larger than 1 mm, and all the gaps are filled with alumina.

[0057] The second layer is paved with xonotlite composite insulation bricks 2, the joints of the bricks are less than 1mm, and all the gaps are filled with alumina;

[0058] The third layer is paved with high-strength ceramic fiberboard 3, which is dry-laid with staggered joints between layers. All masonry joints are less than 1mm and filled with alumina to ensure that there are no gaps. The gap between the high-strength ceramic fiberboard 3 and the side hard calcium silicate composite insulation brick 2 is filled with alumina, and a layer of 30mm thick and a layer of 20mm thick high-strength ceramic fiberboard 3 are staggered for paving;

[0059] The fourth layer is paved with ceramic vermiculite insulation board 4, which is dry-laid with staggered masonry between layers. All masonry joints are less than 1 mm and filled with alumina to ensure that there are no gaps. The gap between the ceramic vermiculite insulation board 4 and the side xonotlite composite insulation brick 2 is filled with alumina.

[0060] The fifth layer is paved with a steel plate 5, and a 2mm thick steel plate 5 is laid close to the ceramic vermiculite insulation board 4. The steel plate 5 is spliced ​​by spot welding. There is no gap between the steel plate 5 and the ceramic vermiculite insulation board 4, and the gap between the steel plates 5 is less than 2mm;

[0061] The sixth layer is paved with anti-seepage bricks 6, which are wet-laid and have a masonry joint less than 1 mm;

[0062] The seventh layer is paved with dry anti-seepage material 7 and compacted;

[0063] When the electrolytic cell body 12 is working, the inside thereof can be observed. The protective door 108 is rotated along the hinge 101 to open it. Then the staff can check the inside of the electrolytic cell body 12 through the sealing glass plate 106. When it is necessary to deal with the dirt on the surface of the sealing glass plate 106, the driving rod 102 is rotated to drive the bevel gear 103 to rotate. At the same time, the bevel gear 2 104 at the bottom of the bevel gear 103 drives the screw 107 to rotate, so that the cleaning device 105 slides along the surface of the sealing glass plate 106 to clean it, thereby improving the observation quality.

[0064] When opening the sealed door 8 for feeding, open a single sealed door 8 or two sealed doors 8 as needed; when opening a single sealed door 8, rotate the swing block 115 along the damping shaft 114, and at the same time, the positioning slot on the upper end of the swing block 115 rotates, and when the limit block 112 corresponds to the positioning slot, the positioning spring 113 resets and pushes the limit block 112 into the positioning slot to limit the swing block 115. At this time, the single sealed door 8 can be opened for feeding or maintenance, thereby improving the use effect of the equipment; and when it is necessary to open the two sealed doors 8 at the same time, press the positioning frame 1163 makes it move along the fixed rod 1162. At this time, the compression spring 1167 is compressed. When the positioning frame 1163 is retracted into the interior of the swing block 115, the driven block 117 can be pulled out from the bottom end of the swing block 115, and then the two sealing doors 8 can be opened at the same time. At this time, the electrode sheet 2 1165 is separated from the electrode sheet 1 1164, and the battery 1161 no longer supplies power to the warning light 1168. The staff can know the installation status of the driven block 117 so that the driven block 117 can be reinstalled in time after use to prevent the poor sealing of the sealing door 8 from affecting the electrolysis effect.

[0065] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safe, energy-saving and environmentally friendly electrolytic cell, comprising an electrolytic cell body (12), characterized in that: The bottom of the electrolytic cell body (12) is provided with a brucite composite insulation board (1), the upper end of the brucite composite insulation board (1) is provided with a xonotlite composite insulation brick (2), the upper end of the xonotlite composite insulation brick (2) is provided with a high-strength ceramic fiber board (3), the upper end of the high-strength ceramic fiber board (3) is provided with a ceramic vermiculite insulation board (4), the upper end of the ceramic vermiculite insulation board (4) is provided with a steel plate (5), the upper end of the steel plate (5) is provided with an anti-seepage brick (6), the upper end of the anti-seepage brick (6) is provided with a dry anti-seepage material (7), the upper end of the electrolytic cell body (12) is provided with a sealing cover (9), a cleaning observation component (10) is provided inside one side of the sealing cover (9), a sealing door (8) is symmetrically provided on the surface of one side of the sealing cover (9), and a positioning locking component (11) is provided at the upper end of the sealing cover (9) corresponding to the sealing door (8).

2. A safe, energy-saving and environmentally friendly electrolytic cell according to claim 1, characterized in that: The cleaning observation assembly (10) comprises a hinge (101), a driving rod (102), a bevel gear 1 (103), a bevel gear 2 (104), a cleaning device (105), a sealing glass plate (106), a screw rod (107), a protective door (108) and a guide rod (109), wherein the sealing cover (9) is provided with a hinge (101) inside, the bottom end of the hinge (101) is provided with a protective door (108), and one side of the protective door (108) is provided with a sealing glass plate. A glass plate (106) is provided, a guide rod (109) is provided on one side of the sealing glass plate (106), a screw rod (107) is provided on one side of the guide rod (109), a second bevel gear (104) is provided on the upper end of the screw rod (107), a first bevel gear (103) is meshedly connected to one side of the second bevel gear (104), a driving rod (102) is provided on one side of the first bevel gear (103), and a cleaning device (105) is provided between the screw rod (107) and the guide rod (109).

3. A safe, energy-saving and environmentally friendly electrolytic cell according to claim 2, characterized in that: A bearing seat is provided inside the sealing cover (9) corresponding to the driving rod (102), and mounting grooves are provided inside the sealing cover (9) corresponding to the bevel gear 1 (103) and the bevel gear 2 (104).

4. A safe, energy-saving and environmentally friendly electrolytic cell according to claim 2, characterized in that: The cleaning device (105) comprises a movable slider (1051), a limit spring (1052), a cleaning scraper (1053) and a connecting block (1054), wherein a movable slider (1051) is arranged between the screw rod (107) and the guide rod (109), a limit spring (1052) is arranged inside the movable slider (1051), a connecting block (1054) is arranged at one end of the limit spring (1052), and a cleaning scraper (1053) is arranged on one side of the connecting block (1054).

5. A safe, energy-saving and environmentally friendly electrolytic cell according to claim 4, characterized in that: A limiting sliding groove is provided inside the movable sliding block (1051) corresponding to the connecting block (1054).

6. A safe, energy-saving and environmentally friendly electrolytic cell according to claim 1, characterized in that: The positioning locking assembly (11) comprises a mounting seat (111), a limiting block (112), a positioning spring (113), a damping shaft (114), a swing block (115), a warning device (116) and a driven block (117), wherein a mounting seat (111) is arranged in the middle of the upper end of the sealing cover (9), a plurality of positioning springs (113) are arranged inside the mounting seat (111), a limiting block (112) is arranged at one end of the positioning spring (113), a damping shaft (114) is arranged on the surface of the mounting seat (111), a swing block (115) is arranged on the surface of the damping shaft (114), a driven block (117) is arranged at the bottom end of the swing block (115), and a warning device (116) is arranged between the swing block (115) and the driven block (117).

7. A safe, energy-saving and environmentally friendly electrolytic cell according to claim 6, characterized in that: The interior of the mounting seat (111) is provided with a guide slot corresponding to the swing block (115), and the interior of the swing block (115) is provided with a positioning slot corresponding to the limit block (112).

8. A safe, energy-saving and environmentally friendly electrolytic cell according to claim 6, characterized in that: The warning device (116) comprises a storage battery (1161), a fixing rod (1162), a positioning frame (1163), an electrode sheet 1 (1164), an electrode sheet 2 (1165), a mounting post (1166), a compression spring (1167) and a warning light (1168), wherein the storage battery (1161) is arranged inside the swing block (115), the mounting post (1166) is arranged on one side of the storage battery (1161), and one end of the mounting post (1166) An electrode sheet (1164) is provided, and fixing rods (1162) are symmetrically provided on both sides of the mounting column (1166), a compression spring (1167) is sleeved on the surface of the fixing rod (1162), a positioning frame (1163) is provided on one side of the compression spring (1167), and an electrode sheet (1165) is provided inside the driven block (117) corresponding to the electrode sheet (1164), and a warning light (1168) is electrically connected to one side of the electrode sheet (1165).

9. A safe, energy-saving and environmentally friendly electrolytic cell according to claim 8, characterized in that: The storage battery (1161) is electrically connected to the electrode sheet 1 (1164), and a positioning groove is provided inside the driven block (117) corresponding to the positioning frame (1163).

10. A method for constructing a safe, energy-saving and environmentally friendly electrolytic cell according to any one of claims 1 to 9, characterized in that: The steps include: Step 1: Lay a layer of 10 mm thick brucite composite insulation board (1) close to the bottom plate of the electrolytic cell body (12), with the gap between the boards not larger than 1 mm, and all gaps are filled with alumina; Lay a layer of 20 mm thick ceramic fiber board close to the lower side of the cell shell, with the gap between the boards not larger than 1 mm, and all gaps are filled with alumina; The second layer is paved with xonotlite composite insulation bricks (2) on the brucite composite insulation board (1), the joints of the xonotlite composite insulation bricks (2) are less than 1 mm, and all the gaps are filled with alumina; The third layer of high-strength ceramic fiberboard (3) is laid on top of the xonotlite composite insulation brick (2). The high-strength ceramic fiberboard (3) is dry-laid with staggered joints between layers. All masonry joints are less than 1 mm and filled with alumina to ensure that there are no gaps. The gap between the high-strength ceramic fiberboard (3) and the side xonotlite composite insulation brick (2) is filled with alumina, and a layer of 30 mm thick and a layer of 20 mm thick high-strength ceramic fiberboard (3) are staggered for paving; The fourth layer is a ceramic vermiculite insulation board (4) laid on top of the high-strength ceramic fiberboard (3). The ceramic vermiculite insulation board (4) is dry-laid with staggered joints between layers. All masonry joints are less than 1 mm and are filled with alumina to ensure that there are no gaps. The gap between the ceramic vermiculite insulation board (4) and the side xonotlite composite insulation brick (2) is filled with alumina. The fifth layer is paved with a steel plate (5), and a 2 mm thick steel plate (5) is laid close to the upper layer of the ceramic vermiculite insulation board (4). The steel plates (5) are spliced ​​by spot welding, and there is no gap between the steel plates (5) and the ceramic vermiculite insulation board (4). The gap between the steel plates (5) is less than 2 mm; The sixth layer is paved with anti-seepage bricks (6) on the top of the steel plate (5), the anti-seepage bricks (6) are wet-laid, and the masonry joints are less than 1 mm; The seventh layer is a dry type anti-seepage material (7) laid on the anti-seepage bricks (6) and compacted; Step 2: When the electrolytic cell body (12) is working, the interior thereof can be observed. The protective door (108) can be rotated along the hinge (101) to open it. Then, the staff can check the situation inside the electrolytic cell body (12) through the sealing glass plate (106). When it is necessary to deal with the dirt on the surface of the sealing glass plate (106), the driving rod (102) is rotated to drive the bevel gear 1 (103) to rotate. At the same time, the bevel gear 2 (104) at the bottom end of the bevel gear 1 (103) drives the screw rod (107) to rotate, thereby causing the cleaning device (105) to slide along the surface of the sealing glass plate (106) to clean it, thereby improving the observation quality. Step 3: When opening the sealed door (8) for feeding, a single sealed door (8) or two sets of sealed doors (8) are opened as needed. When opening a single sealed door (8), the swing block (115) is rotated along the damping shaft (114), and the positioning slot at the upper end of the swing block (115) is rotated. When the limit block (112) corresponds to the positioning slot, the positioning spring (113) is reset to push the limit block (112) into the positioning slot to limit the swing block (115). At this time, the single sealed door (8) can be opened for feeding or maintenance, thereby improving the use effect of the equipment. When it is necessary to open both sealed doors (8) at the same time, the positioning frame is pressed. (1163) moves along the fixed rod (1162), at which time the compression spring (1167) is compressed. When the positioning frame (1163) is retracted into the interior of the swing block (115), the driven block (117) can be pulled out from the bottom end of the swing block (115), and then the two sealing doors (8) can be opened at the same time. At this time, the electrode sheet 2 (1165) is separated from the electrode sheet 1 (1164), and the battery (1161) no longer supplies power to the warning light (1168). The staff can know the installation status of the driven block (117) so that the driven block (117) can be reinstalled in time after use to prevent the poor sealing of the sealing door (8) from affecting the electrolysis effect.

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