CN210394543U - Aluminum electrolysis cell wall radiant heat waste heat recovery system - Google Patents
Aluminum electrolysis cell wall radiant heat waste heat recovery system Download PDFInfo
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- CN210394543U CN210394543U CN201920437633.7U CN201920437633U CN210394543U CN 210394543 U CN210394543 U CN 210394543U CN 201920437633 U CN201920437633 U CN 201920437633U CN 210394543 U CN210394543 U CN 210394543U
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Abstract
The utility model provides an aluminium cell wall radiant heat waste heat recovery system, including oil station, oil and gas separator, electrolysis trough body, circulating oil pipe way, circulating oil pump device, waste heat recovery device, switch board, electrolysis trough body one side is through circulating oil pipe way connection waste heat recovery device, electrolysis trough body opposite side passes through circulating oil pipe way and connects oil and gas separator, oil and gas separator one end is passed through the expansion pipe and is connected with supplementary blast pipe the oil station, oil and gas separator passes through circulating oil pipe way connects the circulating oil pump device, circulating oil pump device one end is passed through circulating oil pipe way and is connected waste heat recovery device, electrolysis trough body one side still is equipped with the switch board. The utility model provides a beneficial effect: the utility model discloses set up waste heat recovery device at the electrolysis trough lateral wall, can effectively prevent the heat loss, the velocity of flow of rethread control conduction oil to reach the purpose of the radiating rate of control electrolysis trough.
Description
Technical Field
The utility model relates to the technical field of aluminum electrolysis cell waste heat recovery, in particular to an aluminum electrolysis cell wall radiant heat waste heat recovery system.
Background
The application of the electrolytic aluminum is beneficial to light weight, energy conservation and emission reduction, but the electrolytic aluminum is also a high-energy-consumption industry, only the power consumption of the electrolytic aluminum accounts for about 7.25% of the power consumption of the whole society in 2016 in China at present, about 50% of energy input into an electrolytic cell is dissipated in a waste heat mode in the aluminum electrolysis production process, wherein the smoke emission accounts for about 35%, the upper structure of the electrolytic cell accounts for about 8%, the side part of the electrolytic cell accounts for about 35%, and the bottom cathode accounts for about 22%, so that the energy efficiency level in the electrolytic aluminum production can be improved, the energy conservation and emission reduction is an urgent requirement of the state, the operation efficiency of an enterprise is improved, and the sustainable development is realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aluminium cell wall radiant heat waste heat recovery system to reach the purpose that improves thermal rate of utilization and the life of protection electrolysis trough in the electrolysis trough.
The aluminum electrolysis cell wall radiant heat waste heat recovery system comprises an oil station, an oil-gas separator, an electrolysis cell body, a circulating oil pipeline, a circulating oil pump device, a waste heat recovery device and a control cabinet, wherein one side of the electrolysis cell body is connected with the waste heat recovery device through the circulating oil pipeline, the other side of the electrolysis cell body is connected with the oil-gas separator through the circulating oil pipeline, one end of the oil-gas separator is connected with the oil station through an expansion pipe and an auxiliary exhaust pipe, the oil-gas separator is connected with the circulating oil pump device through the circulating oil pipeline, one end of the circulating oil pump device is connected with the waste heat recovery device through the circulating oil pipeline, and the control cabinet is further arranged on one side of the electrolysis cell;
the waste heat recovery device comprises a group of waste heat recoverers, each waste heat recoverer comprises a protective shell, a heat conduction pipe is arranged inside each protective shell and comprises an inner pipeline, an outer pipeline and working liquid, the outer pipeline is arranged on the outer side of the inner pipeline, and the working liquid is arranged between the inner pipeline and the outer pipeline.
Preferably, the oil station includes low level oil storage tank, Y type filter, oiling pump, waste oil recovery mouth, high-order expansion tank, oil drain pipe, overflow pipe, auxiliary exhaust pipe, expansion pipe, blow-down pipe, first drain, the low level oil storage tank oil-out passes through Y type filter connects respectively the oiling pump with waste heat recovery device, oiling pump oil outlet end connects respectively waste oil recovery mouth with high-order expansion tank, high-order expansion tank passes through oil drain pipe with the overflow pipe is connected low level oil storage tank, high-order expansion tank passes through auxiliary exhaust pipe with the expansion union coupling oil-gas separation ware, high-order expansion tank with all be equipped with the blow-down pipe on the low-order oil storage tank, just still be equipped with first drain on the low-order oil storage tank.
Preferably, a liquid level meter is arranged on one side of each of the low oil storage tank and the high expansion tank.
Preferably, a group of lifting lugs are uniformly distributed on the periphery of the protective shell, and the protective shell is arranged on the side wall of the electrolytic cell body.
Preferably, a protective layer for insulating the heat conduction pipe is further arranged inside the protective shell.
Preferably, the electrolytic cell body and the oil inlet and outlet of the waste heat recoverer are both provided with a temperature meter and a temperature sensor.
Preferably, a stop valve is arranged at the pipeline joint of each device.
Preferably, an electric valve is further arranged at the oil inlet end of the waste heat recoverer, one end of the electric valve is connected with the electrolytic cell body through a circulating pipeline, and the other end of the electric valve is connected with the oil outlet end of the waste heat recoverer through a pipeline.
Preferably, the control cabinet is in control connection with the temperature sensor, the oil injection pump, the circulating oil pump device and the electric valve.
Preferably, the oil-gas separator and the circulating oil pump device are both provided with a second sewage draining outlet.
The utility model provides a beneficial effect: the utility model discloses waste heat recovery device has been set up at the electrolysis trough lateral wall, and pass through the bolt fastening with waste heat recovery device in the cradle frame of electrolysis trough lateral wall, and set up the heat preservation in waste heat recovery device, prevent the heat loss, the velocity of flow of rethread control conduction oil, in order to reach the purpose of the radiating rate of control electrolysis trough, thereby reach the effect of the thermal balance of control ledge thickness and electrolysis trough, just so can provide a stable, controllable operational environment for the electrolysis trough, make its production not receive seasonal variation's influence.
When the electrolytic cell is roasted and started, the device helps to improve the heating speed of the cell shell of the electrolytic cell, thereby reducing the thermal expansion of the cell shell and the refractory material, and achieving the purpose of prolonging the service life of the electrolytic cell.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Wherein:
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a front view of the waste heat recoverer;
FIG. 3 is a schematic view of the inner structure of the heat conducting pipe;
fig. 4 is the schematic diagram of the temperature of the heat pipe of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the terms in the present invention can be understood in a specific case to those skilled in the art.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model provides an aluminum electrolysis cell wall radiant heat waste heat recovery system, which comprises an oil station 1, an oil-gas separator 2, an electrolysis cell body 3, a circulating oil pipeline 4, a circulating oil pump device 5, a waste heat recovery device 6 and a control cabinet 7, wherein one side of the electrolysis cell body 3 is connected with the waste heat recovery device 6 through the circulating oil pipeline 4, the other side of the electrolysis cell body 3 is connected with the oil-gas separator 2 through the circulating oil pipeline 4, one end of the oil-gas separator 2 is connected with the oil station 1 through an expansion pipe 1.9 and an auxiliary exhaust pipe 1.8, the oil-gas separator 2 is connected with the circulating oil pump device 5 through the circulating oil pipeline 4, one end of the circulating oil pump device 5 is connected with the waste heat recovery device 6 through the circulating oil pipeline 4, the control cabinet 7 is further arranged on one side, a second sewage draining outlet 5.1 is arranged on each of the oil-gas separator 2 and the circulating oil pump device 5;
waste heat recovery device 6 includes a set of waste heat recoverer 6.1, waste heat recoverer 6.1 oil feed end is equipped with motorised valve 6.2, motorised valve 6.2 one end is passed through circulating line 4 and is connected electrolysis trough body 3, the motorised valve 6.2 other end passes through the pipe connection waste heat recoverer 6.1 oil outlet end, waste heat recoverer 6.1 includes protective housing 6.11, a set of lug 6.13 of protective housing 6.11 evenly distributed all around, just protective housing 6.11 sets up on electrolysis trough body 3 lateral wall, the inside heat pipe 6.12 that is equipped with of protective housing 6.11, heat pipe 6.12 includes interior pipeline 6.121, outer pipeline 6.122, working solution 6.123, the interior pipeline 6.121 outside is equipped with outer pipeline 6.122, be equipped with between interior pipeline 6.121 and the outer pipeline 6.122 working solution 6.123, just the inside protective housing 6.11 still be equipped with the protective layer that plays the heat preservation effect to heat pipe 6.12, just waste heat 6.1 and electrolysis trough body 3 oil inlet and outlet department all are equipped with thermometer 8 and temperature sensor 9.
The oil station 1 comprises a low-level oil storage tank 1.1, a Y-type filter 1.2, an oil injection pump 1.3, a waste oil recovery port 1.4, a high-level expansion tank 1.5, an oil drain pipe 1.6, an overflow pipe 1.7, an auxiliary exhaust pipe 1.8, an expansion pipe 1.9, a vent pipe 1.10 and a first drain port 1.11, an oil outlet of the low-level oil storage tank 1.1 is connected with the oil injection pump 1.3 and the waste heat recovery device 6 respectively through the Y-type filter 1.2, an oil outlet end of the oil injection pump 1.3 is connected with the waste oil recovery port 1.4 and the high-level expansion tank 1.5, the high-level expansion tank 1.5 is connected with the low-level oil storage tank 1.1.1 through the oil drain pipe 1.6 and the overflow pipe 1.7, the high-level expansion tank 1.5 is connected with the oil-gas separation container 2 through the auxiliary exhaust pipe 1.8 and the vent pipe 1.9, the high-level expansion tank 1.5 and the low-level oil storage tank 1.1.1.1.1.1 are provided with the first drain pipe 11, and liquid level meters 1.12 are arranged on one sides of the low-position oil storage tank 1.1 and the high-position expansion tank 1.5.
The control cabinet 7 is connected with the temperature sensor 9, the oil injection pump 1.3, the circulating oil pump device 5 and the electric valve 6.2 in a control mode, and a stop valve 10 is arranged at the pipeline connection position of each device.
The utility model discloses mainly utilized the heat pipe principle, the heat pipe has combined heat-conduction and fluid phase transition principle, and working solution 6.123 can change between liquid and gaseous state in the heat pipe, and its heat conductivility is 1000 times of copper, can guarantee effectively that the heat of electrolysis trough in the work can not run off.
To sum up, the utility model provides a beneficial effect: the utility model discloses waste heat recovery device 6 has been set up at 3 lateral walls of electrolysis trough body, and pass through the bolt fastening with waste heat recovery device 6 in the cradle frame of 3 lateral walls of electrolysis trough body, and set up the heat preservation in waste heat recovery device 6, prevent the heat loss, the velocity of flow of rethread control conduction oil, in order to reach the radiating rate's of control electrolysis trough purpose, thereby reach the effect of the thermal balance of control ledge thickness and electrolysis trough, just so can provide a stability for the electrolysis trough, controllable operational environment, make its production not receive seasonal variation's influence.
When the electrolytic cell is roasted and started, the device helps to improve the heating speed of the cell shell of the electrolytic cell, thereby reducing the thermal expansion of the cell shell and the refractory material, and achieving the purpose of prolonging the service life of the electrolytic cell.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A kind of aluminium cell wall radiant heat waste heat recovery system, characterized by that: the device comprises an oil station, an oil-gas separator, an electrolytic bath body, a circulating oil pipeline, a circulating oil pump device, a waste heat recovery device and a control cabinet, wherein one side of the electrolytic bath body is connected with the waste heat recovery device through the circulating oil pipeline, the other side of the electrolytic bath body is connected with the oil-gas separator through the circulating oil pipeline, one end of the oil-gas separator is connected with the oil station through an expansion pipe and an auxiliary exhaust pipe, the oil-gas separator is connected with the circulating oil pump device through the circulating oil pipeline, one end of the circulating oil pump device is connected with the waste heat recovery device through the circulating oil pipeline, and the control cabinet is further arranged on one side of the electrolytic;
the waste heat recovery device comprises a group of waste heat recoverers, each waste heat recoverer comprises a protective shell, a heat conduction pipe is arranged inside each protective shell and comprises an inner pipeline, an outer pipeline and working liquid, the outer pipeline is arranged on the outer side of the inner pipeline, and the working liquid is arranged between the inner pipeline and the outer pipeline.
2. The aluminum electrolysis cell wall radiant heat waste heat recovery system of claim 1, wherein: the oil station includes low-order oil storage tank, Y type filter, oiling pump, waste oil recovery mouth, high-order expansion tank, oil drain pipe, overflow pipe, auxiliary exhaust pipe, expansion pipe, blow-down pipe, first drain, the low-order oil storage tank oil-out passes through Y type filter connects respectively the oiling pump with waste heat recovery device, oiling pump goes out the oil end and connects respectively waste oil recovery mouth with high-order expansion tank, high-order expansion tank passes through oil drain pipe with the overflow pipe is connected the low-order oil storage tank, high-order expansion tank passes through auxiliary exhaust pipe with the expansion union coupling oil-gas separation ware, high-order expansion tank with all be equipped with the blow-down pipe on the low-order oil storage tank, just still be equipped with first drain on the low-order oil storage tank.
3. The aluminum electrolysis cell wall radiant heat waste heat recovery system of claim 2, wherein: and liquid level meters are arranged on one sides of the low-position oil storage tank and the high-position expansion tank.
4. The aluminum electrolysis cell wall radiant heat waste heat recovery system of claim 1, wherein: a group of lifting lugs are uniformly distributed on the periphery of the protective shell, and the protective shell is arranged on the side wall of the electrolytic cell body.
5. The aluminum electrolysis cell wall radiant heat waste heat recovery system of claim 1, wherein: the protective shell is internally provided with a protective layer which plays a role in heat preservation of the heat conduction pipe.
6. The aluminum electrolysis cell wall radiant heat waste heat recovery system of claim 1, wherein: and the electrolytic bath body and the oil inlet and outlet of the waste heat recoverer are respectively provided with a thermometer and a temperature sensor.
7. The aluminum electrolysis cell wall radiant heat waste heat recovery system of claim 1, wherein: the pipeline joint of each device is provided with a stop valve.
8. The aluminum electrolysis cell wall radiant heat waste heat recovery system of claim 1, wherein: the oil inlet end of the waste heat recoverer is further provided with an electric valve, one end of the electric valve is connected with the electrolytic cell body through a circulating pipeline, and the other end of the electric valve is connected with the oil outlet end of the waste heat recoverer through a pipeline.
9. The aluminum electrolysis cell wall radiant heat waste heat recovery system of claim 1, wherein: and the oil-gas separator and the circulating oil pump device are respectively provided with a second sewage draining outlet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920437633.7U CN210394543U (en) | 2019-04-02 | 2019-04-02 | Aluminum electrolysis cell wall radiant heat waste heat recovery system |
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| CN201920437633.7U CN210394543U (en) | 2019-04-02 | 2019-04-02 | Aluminum electrolysis cell wall radiant heat waste heat recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778234A (en) * | 2019-04-02 | 2019-05-21 | 厦门高谱科技有限公司 | A kind of aluminium electrolytic tank wall radiant heat residual neat recovering system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778234A (en) * | 2019-04-02 | 2019-05-21 | 厦门高谱科技有限公司 | A kind of aluminium electrolytic tank wall radiant heat residual neat recovering system |
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