CN205170989U - Adopt cold smashing and stick with paste whole fashioned electrolysis trough furnace structure - Google Patents
Adopt cold smashing and stick with paste whole fashioned electrolysis trough furnace structure Download PDFInfo
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- CN205170989U CN205170989U CN201520960309.5U CN201520960309U CN205170989U CN 205170989 U CN205170989 U CN 205170989U CN 201520960309 U CN201520960309 U CN 201520960309U CN 205170989 U CN205170989 U CN 205170989U
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Abstract
The utility model discloses an adopt cold smashing and stick with paste whole fashioned electrolysis trough furnace structure, it be with the height electrically conductive cold smash stick with paste build stove material (1) and non - electrically conductive cold smash to stick with paste build stove material (2) and lay the electrolysis trough bottom respectively and the electrolysis trough lateral part, solid shaping is pricked to the utilization instrument of making firm by ramming, form the electrically conductive and nonconducting electrolysis trough furnace of lateral part in bottom, and through control system according to predetermined calcination curve accuse temperature, carry out the calcination to electrolysis trough furnace, obtain the conductivity and the intensity of expectation, realize electrolysis trough furnace's whole shaping. The utility model discloses can reduce brineelectrolysis ordinary telegram stream, realize that the energy consumption reduces and raises the efficiency. The utility model discloses owing to get rid of prefabricated negative pole and negative pole packaging technology flow, still greatly reduced investment and production run expense, improvement productivity.
Description
Technical field
The utility model relates to technical field of aluminum electrolysis, is specifically related to a kind ofly adopt cold smashing to stick with paste the electrolyzer chamber structure of global formation.
Background technology
Traditional aluminium electrolytic cell cathode adopts the mode of prefabricated negative electrode to lay bottom of electrolytic tank negative electrode at trench bottom, adopts side wall carbon block to lay sidepiece burner hearth, realizes electrolyzer brickwork.But this kind of mode has the following disadvantages: the thickener 1) between cathode carbon pieces and the solid thickener of negative electrode itself, side wall carbon block and bundle etc. after baking, exist the problem that shrinking percentage is inconsistent, easily ftracture, cause runout to have a big risk; 2) rod iron of cathode assembling and negative electrode are when assembling, and are difficult to combine closely, cause the Contact of prefabricated negative electrode and rod iron bad, and due to problems such as negative electrode transports, cathode steel bar are set to two pieces usually, causes bottom land cathode drop high, and horizontal current is large; 3) prefabricated negative electrode and cathode assembling are costly.Therefore, existing aluminum cell hearth structure or not ideal enough.
Utility model content
The purpose of this utility model is to provide and a kind ofly adopts cold smashing to stick with paste the electrolyzer chamber structure of global formation, to solve the deficiency that the shaping chamber structure of traditional non-integral exists.
The utility model is achieved in that
It is so a kind of aluminum cell hearth integral forming method, by cold for high connductivity smash stick with paste furnace building material and non-conductive cold smash stick with paste furnace building material be laid on bottom of electrolytic tank and electrolyzer sidepiece respectively, the utilization instrument of making firm by ramming rolls admittedly shaping, form bottom conductive and the nonconducting electrolyzer burner hearth of sidepiece, and by Controlling System temperature control, roasting is carried out to electrolyzer burner hearth, obtains the electric conductivity and intensity expected, realize the global formation of electrolyzer burner hearth.
The high connductivity of bottom of electrolytic tank is cold to be smash and sticks with paste furnace building material to add mass percent be the graphite of 35 ~ 50%; High connductivity is cold to be smash the resistivity after sticking with paste furnace building material roasting and is not more than 35 μ Ω m, and ultimate compression strength is not less than 20MPa; Non-conductive cold the smashing of electrolyzer sidepiece sticks with paste furnace building material interpolation electrically nonconducting material; Non-conductively coldly smash the resistivity after sticking with paste furnace building material roasting and be not less than 85 μ Ω m, ultimate compression strength is not less than 18MPa.
The technique of brickwork adopts the cold of temperature construction below 40 DEG C to smash the global formation stuck with paste and realize burner hearth bottom and sidepiece.
Before brickwork, in bassinet stand, refractory insulating layer is puzzled by processing requirement, and cathode steel bar is arranged on specified location, then add cold the smashing of high connductivity stick with paste furnace building material and non-conductively coldly smash paste furnace building material, adopt brickwork instrument to make compacting firm by ramming, form bottom and sidepiece, add cold the smashing of high connductivity afterwards again stick with paste furnace building material and non-conductively coldly smash paste furnace building material, carry out second time and make brickwork firm by ramming, constantly repeat successively, until meet the dimensional requirement of explained hereafter to bottom and sidepiece.Wherein, brickwork instrument is that the adaptation shape of electrolyzer and the multiple degree of freedom of structure are made machine firm by ramming or make tup firm by ramming, has big area vibrations compacting or carries out hammering furnace building material to complete the function of brickwork requirement to local.
Non-conductive cold smashing sticks with paste the solid thickness of furnace building material bundle in a cell and width is determined by distribution of current in calculating electrolyzer, can reduce horizontal current in aluminium liquid.
Electrolyzer burner hearth adopts combustion gas or coke sinter, Controlling System is adopted to control gas-engine or electric current, realize the temperature control of roasting process, cathode resistor rate is made to be less than 35 μ Ω m, wherein, after completing burner hearth insulation roasting, Controlling System controls burner hearth cooling, when temperature reaches about 900 DEG C, remove roasting system, complete calcination and start.
Based on aforesaid method, of the present utility modelly a kind ofly adopt cold smashing to stick with paste the electrolyzer chamber structure of global formation, it comprises is stuck with paste furnace building material and is made firm by ramming the bottom of electrolytic tank that formed by cold the smashing of high connductivity and stuck with paste furnace building material and made firm by ramming by non-conductive cold smashing the electrolyzer sidepiece formed; Bottom of electrolytic tank and electrolyzer sidepiece are all the integral forming structures of being made firm by ramming compacting by brickwork instrument; The below of described bottom of electrolytic tank is provided with refractory insulating layer, and cathode steel bar is arranged on the cold paste furnace building material of smashing of high connductivity and makes firm by ramming in the bottom of electrolytic tank of formation.
The utility model adopts the cold thickener of smashing of high conduction performance as bottom land material, the cold thickener of smashing of non-conductive performance, as side wall composite material, successively carries out electrolyzer brickwork by brickwork instrument, because material contracts rate is little, flawless after negative electrode and sidepiece roasting, reduce bakie risk; Simultaneously by smashing the material that the material sticking with paste admixture high conduction performance forms trench bottom material and admixture not easy conductive form groove side wall composite material based on cold, the density of bottom land electric current can be improved, reduce bottom land pressure drop and groove sidepiece electroconductibility, add that cathode steel bar can change by demand, be conducive to reducing electrolysis horizontal current, realize energy consumption and reduce and raise the efficiency.The utility model, owing to removing prefabricated negative electrode and cathode assembling technical process, also greatly reduces investment and production run expense, raises labour productivity.
Accompanying drawing explanation
Fig. 1 is new brickwork thorax integral forming method structural representation;
Fig. 2 is old burner hearth prosthetic portion forming method structural representation;
Description of reference numerals: 1-high connductivity is cold smashes paste furnace building material, 2-is non-conductive coldly smashes paste furnace building material, 3-refractory insulating layer, 4-cathode steel bar, 5-anode carbon block, the old charcoal block of 6-sidepiece, old charcoal block bottom 7-.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, it comprises and is stuck with paste furnace building material 1 and made firm by ramming the bottom of electrolytic tank that formed by cold the smashing of high connductivity and stuck with paste furnace building material 2 and made firm by ramming by non-conductive cold smashing the electrolyzer sidepiece formed; Bottom of electrolytic tank and electrolyzer sidepiece are all the integral forming structures of being made firm by ramming compacting by brickwork instrument, are positioned at the below of anode carbon block 5; The below of bottom of electrolytic tank is provided with refractory insulating layer 3, and cathode steel bar 4 is arranged on the cold paste furnace building material 1 of smashing of high connductivity and makes firm by ramming in the bottom of electrolytic tank of formation.
Its forming method is such: by cold for high connductivity smash stick with paste furnace building material 1 and non-conductive cold smash stick with paste furnace building material 2 be laid on bottom of electrolytic tank and electrolyzer sidepiece respectively, utilization instrument of making firm by ramming is pricked solid shaping, form bottom conductive and the nonconducting electrolyzer burner hearth of sidepiece, and by Controlling System according to predetermined Baking profile temperature control, roasting is carried out to electrolyzer burner hearth, obtain the electric conductivity and intensity expected, realize the global formation of electrolyzer burner hearth.
Cold the smashing of the high connductivity of bottom of electrolytic tank sticks with paste the graphite (graphite content 35 ~ 50%) that furnace building material 1 should add sufficient amount, guarantee good bottom conductive, high connductivity is cold to be smash the resistivity after sticking with paste furnace building material 1 roasting and is not more than 35 μ Ω m, and ultimate compression strength is not less than 20MPa.Non-conductive cold paste furnace building material 2 of smashing adds not easily electro-conductive material, reduces the electroconductibility of sidepiece; Non-conductively coldly smash the resistivity after sticking with paste furnace building material 2 roasting and be not less than 85 μ Ω m, ultimate compression strength is not less than 18MPa; In addition, brickwork adopts can smash paste by the cold of temperature construction below 40 DEG C, and guarantee that material performance is stablized in brickwork process, Yin Wendu does not reduce and affects brickwork effect, and reduces Energy Consumption of Construction and toxic gas discharge.
Before brickwork, in bassinet stand, the refractory insulating layers such as refractory brick 3 are puzzled by processing requirement, and cathode steel bar 4 is arranged on specified location, then add cold the smashing of appropriate high connductivity and stick with paste furnace building material 1 and non-conductive cold smashing sticks with paste furnace building material 2, adopt brickwork instrument to make compacting firm by ramming, form certain thickness bottom and sidepiece, add again afterwards and coldly in right amount smash paste furnace building material, carry out second time and make brickwork firm by ramming, constantly repeat successively, until meet the dimensional requirement of explained hereafter to bottom and sidepiece.
Non-conductive cold smashing sticks with paste the solid thickness of furnace building material 2 bundle in a cell and width is determined by distribution of current in calculating electrolyzer, can reduce horizontal current in aluminium liquid.
Electrolyzer burner hearth can adopt combustion gas or coke sinter, Controlling System controls gas-engine or electric current, realize the temperature control of roasting process, cathode resistor rate is made to be less than 35 μ Ω m, wherein, after completing burner hearth insulation roasting, Controlling System controls burner hearth cooling, when temperature reaches about 900 DEG C, remove roasting system, complete calcination and start.
Brickwork instrument is that multiple degree of freedom is made machine firm by ramming or makes tup firm by ramming, can adapt to shape and the structure of electrolyzer, big area vibrations can tamp or carry out hammering furnace building material to local, completing brickwork requirement.
Embodiment 1: as shown in Figure 1, in the brickwork process of 230KA electrolyzer, after completing refractory insulating layer 3, place cathode steel bar 4 at specified location, add cold the smashing of appropriate high connductivity and stick with paste furnace building material 1, utilize brickwork instrument to prick solid to proper height, add cold the smashing of appropriate high connductivity afterwards again and stick with paste furnace building material 1, carry out second time and make brickwork firm by ramming, constantly repeat successively, till the bundle smashing paste cold bottom meeting consolidates dimensional requirement.After pricking solid good bottom, add appropriate non-conductive cold smashing and stick with paste furnace building material 2, utilize brickwork instrument to prick solid to proper height, add appropriate non-conductive cold smashing afterwards again and stick with paste furnace building material 2, carry out second time and make brickwork firm by ramming, constantly repeat successively, till meeting the solid dimensional requirement of the cold bundle smashing paste of sidepiece.After pricking consolidation bundle, utilize roasting system to carry out roasting to pricking the electrolyzer admittedly, roasting system controls the temperature requirement of roasting process, when roasting result meets electrobath start requirement, removes roasting system, starts electrolyzer.
Embodiment 2: as shown in Figure 2, in the mending course of electrolyzer, according to the difference of the repairing position of bottom old charcoal block 7 and the old charcoal block 6 of sidepiece, add respectively appropriate high connductivity cold smash stick with paste furnace building material 1 or non-conductive cold smash stick with paste furnace building material 2, brickwork instrument is utilized to prick solid to proper height, add again afterwards appropriate high connductivity cold smash stick with paste furnace building material 1 or non-conductive cold smash stick with paste furnace building material 2, carry out second time and make brickwork firm by ramming, constantly repeat successively, till the solid dimensional requirement of the bundle meeting bottom and the old charcoal block of sidepiece.After pricking consolidation bundle, utilize roasting system to carry out roasting to pricking the electrolyzer admittedly, roasting system controls the temperature requirement of roasting process, when roasting result meets electrobath start requirement, remove roasting system, start electrolyzer, complete the repairing of electrolyzer, carry out the production of electrolyzer.
Certainly, more than just embody rule example of the present utility model, the technical scheme that the utility model also has other embodiment, all employings to be equal to replacement or equivalent transformation to be formed, all drops within the protection domain required by the utility model.
Claims (1)
1. adopt cold smashing to stick with paste the electrolyzer chamber structure of global formation, it is characterized in that: it comprises is stuck with paste furnace building material (1) and made firm by ramming the bottom of electrolytic tank that formed by cold the smashing of high connductivity and stuck with paste furnace building material (2) and made firm by ramming by non-conductive cold smashing the electrolyzer sidepiece formed; Bottom of electrolytic tank and electrolyzer sidepiece are all the integral forming structures of being made firm by ramming compacting by brickwork instrument; The below of described bottom of electrolytic tank is provided with refractory insulating layer (3), and cathode steel bar (4) is arranged on cold paste furnace building material (1) of smashing of high connductivity and makes firm by ramming in the bottom of electrolytic tank of formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520960309.5U CN205170989U (en) | 2015-11-27 | 2015-11-27 | Adopt cold smashing and stick with paste whole fashioned electrolysis trough furnace structure |
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| CN201520960309.5U CN205170989U (en) | 2015-11-27 | 2015-11-27 | Adopt cold smashing and stick with paste whole fashioned electrolysis trough furnace structure |
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| CN205170989U true CN205170989U (en) | 2016-04-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463509A (en) * | 2015-11-27 | 2016-04-06 | 贵阳铝镁设计研究院有限公司 | Aluminum cell hearth overall molding method and hearth structure |
| CN106400053A (en) * | 2016-06-22 | 2017-02-15 | 贵阳铝镁设计研究院有限公司 | Integrally-formed aluminum electrolytic cell based on cathode inner liner and integral forming method thereof |
-
2015
- 2015-11-27 CN CN201520960309.5U patent/CN205170989U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463509A (en) * | 2015-11-27 | 2016-04-06 | 贵阳铝镁设计研究院有限公司 | Aluminum cell hearth overall molding method and hearth structure |
| CN106400053A (en) * | 2016-06-22 | 2017-02-15 | 贵阳铝镁设计研究院有限公司 | Integrally-formed aluminum electrolytic cell based on cathode inner liner and integral forming method thereof |
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