CN219772063U - Electric heating device and system for preparing formed coke - Google Patents
Electric heating device and system for preparing formed coke Download PDFInfo
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- CN219772063U CN219772063U CN202321349103.XU CN202321349103U CN219772063U CN 219772063 U CN219772063 U CN 219772063U CN 202321349103 U CN202321349103 U CN 202321349103U CN 219772063 U CN219772063 U CN 219772063U
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- tar
- cavity
- electric heating
- waste
- recovery
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- 238000005485 electric heating Methods 0.000 title claims abstract description 57
- 239000000571 coke Substances 0.000 title claims abstract description 17
- 238000011084 recovery Methods 0.000 claims abstract description 62
- 238000003756 stirring Methods 0.000 claims abstract description 45
- 239000002699 waste material Substances 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 239000000428 dust Substances 0.000 claims abstract description 37
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000003546 flue gas Substances 0.000 claims abstract description 25
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 2
- 239000000779 smoke Substances 0.000 abstract description 11
- 239000002245 particle Substances 0.000 abstract description 4
- 239000002910 solid waste Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to an electric heating device and a system for preparing formed coke, wherein the device comprises: the electric heating pot comprises a closed cavity and a stirring part; the side wall and the bottom wall of the closed cavity are internally communicated, and an electric heating pipe, heat conducting oil and a thermocouple are arranged in the cavity; the flue gas recovery assembly comprises a dust collection ash bucket and a tar recovery cavity, and the dust collection ash bucket is arranged above the tar recovery cavity; a plurality of inclined blanking plates are arranged in the tar recovery cavity, and each blanking plate is provided with a plurality of blanking holes. The utility model adopts a closed container, utilizes an electric heating pipe to heat the waste tar, sets a thermocouple to monitor and control the heating temperature, and stirs the waste tar while heating so as to lead the waste tar to be heated and uniformly mixed, and tar particles in the flue gas can be recycled. The technical problems that in the prior art, waste tar is heated unevenly due to incapability of controlling heating temperature, potential safety hazards exist, and smoke generated by heating cannot be treated, so that environment is polluted are solved.
Description
Technical Field
The utility model relates to the technical field of solid waste recycling of electrolytic aluminum, in particular to an electric heating device and system for preparing formed coke.
Background
A large amount of purified solid waste dust collection ash and waste tar can be generated in the production process of the aluminum electrolysis anode block and the cathode carbon block. The collected dust is a fine powder carbonaceous material, the content of the fixed carbon is more than 85%, and the collected dust has higher secondary resource utilization value. In order to solve the disposal problem of the electrolytic aluminum solid waste dust collection ash and the waste tar and realize the comprehensive utilization of resources. And (3) stirring, kneading and briquetting the dust collection ash and the waste tar to form, roasting in a waste cathode carbon block high-temperature resistance furnace, and finally generating formed coke. The formed coke is coke with a certain shape and size, and is mainly used as carburant in steelworks or other metal smelting reducing agents or as high-heat fuel.
In the process of preparing the formed coke, the non-flowing viscous or solid waste tar is required to be heated to more than 140 ℃ so that the solid waste tar is converted into a liquid state with fluidity and can be kneaded with the dust collection ash for forming. The heating method adopted at present is to put solid waste tar into an iron bucket to be heated by open fire, the heating temperature cannot be controlled, the heated waste tar is heated unevenly, fire and explosion are possible, the risk is high, in addition, the combustible gas and smoke generated by heating the waste tar are directly discharged into the air, and the environment is seriously polluted.
Disclosure of Invention
The utility model provides an electric heating device and an electric heating system for preparing formed coke, which are used for solving the technical problems that in the prior art, waste tar is heated unevenly due to uncontrollable heating temperature, potential safety hazards exist, and smoke generated by heating cannot be treated, so that the environment is polluted.
Therefore, the utility model adopts the following technical scheme:
in a first aspect, there is provided an electric heating apparatus for preparing formed coke for heating waste tar produced by an electrolytic aluminum process, comprising: the electric heating pot comprises a closed cavity and a stirring part, wherein the stirring part is arranged in the closed cavity and is used for stirring waste tar in the closed cavity; the side wall and the bottom wall of the closed cavity are internally communicated, and an electric heating pipe, heat conducting oil and a thermocouple are arranged in the cavity; the flue gas recovery assembly comprises a dust collection ash bucket and a tar recovery cavity, and the dust collection ash bucket is arranged above the tar recovery cavity; a plurality of inclined blanking plates are arranged in the tar recovery cavity, and each blanking plate is provided with a plurality of blanking holes; the flue gas recovery assembly is communicated with the interior of the electric heating pot, and the dust collection ash leaked from the dust collection ash bucket is mixed with flue gas in the tar recovery cavity to form high-carbon tar for recovery.
In one possible implementation, the electric heating pipe is arranged at the bottom wall and is used for heating heat conduction oil, and the heat conduction oil is high in heat conduction and temperature rising speed; the thermocouple is arranged on the side wall and is used for monitoring the temperature of the heat conducting oil.
In one possible embodiment, the stirring part comprises a driving motor, a speed reducer, a rotating shaft and stirring blades, wherein the stirring blades are close to the bottom of the closed cavity; stirring vane and axis of rotation fixed connection, driving motor are connected with the speed reducer, and control axis of rotation is rotatory, and then drives stirring vane rotation, stirs the useless tar in the airtight cavity.
In one possible embodiment, a first control valve is also provided on the closed cavity, the first control valve being provided on the side wall, near the bottom wall, for controlling the flow of waste tar out of the closed cavity.
In one possible embodiment, the tar recovery chamber is connected to the closed chamber by a conduit.
In one possible embodiment, the flue gas recovery assembly further comprises a receiving bowl disposed below the tar recovery cavity, the receiving bowl being connected to the tar recovery cavity by a pipeline for storing high char tar.
In one possible embodiment, the flue gas recovery assembly further comprises a second control valve disposed in the line between the receiving bowl and the tar recovery cavity for controlling the flow of high char tar into the receiving bowl.
In one possible implementation mode, one ends of the blanking plates are fixedly arranged on the side wall of the tar recovery cavity, and the other ends of the blanking plates are suspended in the tar recovery cavity; wherein, have the contained angle between two adjacent flitch down.
In one possible embodiment, the number of the plurality of blanking plates is three.
In a second aspect, an electric heating system for preparing formed coke is provided for heating waste tar generated in an electrolytic aluminum process, and is characterized by comprising the electric heating device and an electric control device, wherein the electric control device controls the operation of the electric heating device.
The utility model provides an electric heating device and a system for preparing formed coke, wherein the device comprises: the electric heating pot comprises a closed cavity and a stirring part, wherein the stirring part is arranged in the closed cavity and is used for stirring waste tar in the closed cavity; the side wall and the bottom wall of the closed cavity are internally communicated, and an electric heating pipe, heat conducting oil and a thermocouple are arranged in the cavity; the flue gas recovery assembly comprises a dust collection ash bucket and a tar recovery cavity, and the dust collection ash bucket is arranged above the tar recovery cavity; a plurality of inclined blanking plates are arranged in the tar recovery cavity, and each blanking plate is provided with a plurality of blanking holes; the flue gas recovery assembly is communicated with the interior of the electric heating pot, the dust collection ash leaked from the dust collection ash bucket is mixed with flue gas in the tar recovery cavity, and the high-carbon tar is formed for recovery by absorbing fine powder dust collection ash with the stronger adsorption performance of the tar flue gas. The utility model adopts a closed container, utilizes an electric heating pipe to heat the waste tar, sets a thermocouple to monitor and control the heating temperature, removes the moisture and other low boiling point substances of the waste tar, improves the content of useful components of the waste tar, and simultaneously stirs the waste tar while heating so as to lead the waste tar to be heated and uniformly mixed, and tar particles in the flue gas can be recycled. The technical problems that in the prior art, waste tar is heated unevenly due to incapability of controlling heating temperature, potential safety hazards exist, and smoke generated by heating cannot be treated, so that environment is polluted are solved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an electric heating device according to an embodiment of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. the device comprises a closed cavity, 2, a driving motor, 3, a speed reducer, 4, a side wall, 5, a bottom wall, 6, an electric heating pipe, 7, a thermocouple, 8, heat conducting oil, 9, a rotating shaft, 10, a stirring blade, 11, a first control valve, 12, a dust collection ash bucket, 13, a tar recovery cavity, 14, a blanking plate, 15, a second control valve, 16, a material collection barrel, 101, an electric heating pot, 102 and a smoke recovery component.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
In the process of preparing the formed coke, the non-flowing viscous or solid waste tar is required to be heated to more than 140 ℃ so that the solid waste tar is converted into a liquid state with fluidity and can be kneaded with the dust collection ash for forming. The heating method adopted at present is to put solid waste tar into an iron bucket to be heated by open fire, the heating temperature cannot be controlled, the heated waste tar is heated unevenly, fire and explosion are possible, the risk is high, in addition, the combustible gas and smoke generated by heating the waste tar are directly discharged into the air, and the environment is seriously polluted.
Accordingly, the present utility model provides an electric heating apparatus for preparing formed coke for heating waste tar generated in an electrolytic aluminum process, as shown in fig. 1, the apparatus comprising: the electric heating pot 101 and the flue gas recovery assembly 102, wherein the electric heating pot 101 comprises a closed cavity 1 and a stirring part, and the stirring part is arranged in the closed cavity 1 and is used for stirring waste tar in the closed cavity 1; the side wall 4 and the bottom wall 5 of the closed cavity 1 are cavities communicated with each other, and an electric heating pipe 6, heat conduction oil 8 and a thermocouple 7 are arranged in the cavities; the flue gas recovery assembly 102 comprises a dust collection ash bucket 12 and a tar recovery cavity 13, wherein the dust collection ash bucket 12 is arranged above the tar recovery cavity; a plurality of inclined blanking plates 14 are arranged in the tar recovery cavity 13, and each blanking plate 14 is provided with a plurality of blanking holes; the flue gas recovery assembly 102 is communicated with the interior of the electric heating pot 101, and the dust collection ash leaked from the dust collection ash bucket 12 is mixed with flue gas in the tar recovery cavity 13 to form high-carbon tar for recovery.
The electric heating cooker 101 is preferably airtight cavity 1, including lateral wall 4, diapire 5 and top cap, the control motor of stirring portion is fixed to be set up outside the top cap, and the charge door is left to the top cap for add useless tar to the cavity, top cap charge door department sets up the sealing member, guarantees the leakproofness of cavity. The rotation axis of stirring portion inserts in the electrical heating pot 101, and the tip of rotation axis sets up stirring vane 10, and stirring vane 10's quantity can set up a plurality ofly for stir the useless tar in heating, make its misce bene, also make useless tar evenly be heated through the stirring, reduce tar uneven heating, the potential safety hazard that local high temperature probably brought. The aperture of the blanking hole is particularly small, so that the dust collection ash falls down by self gravity and slowly leaks down from the blanking hole or the inclined blanking plate, and the effect of slowing down the falling speed is achieved, so that the dust collection ash is fully mixed with tar smoke and adsorbed.
In an alternative embodiment, the side wall 4 and the bottom wall 5 of the closed cavity 1 are cavities communicated internally, and heat conduction oil 8 is injected into the cavities, so that the heat conduction oil 8 has good heat conduction performance and is easy to heat by adopting an electric heating pipe 6. An electric heating tube 6 may be provided at the bottom wall 5 for heating the heat conducting oil 8; a thermocouple 7 may be provided at the side wall 4 for monitoring the temperature of the heat transfer oil 8.
One or more electric heating pipes 6 may be provided, it being understood that the electric heating pipes 6 may be provided in the bottom wall 5 or in the side wall 4, or in both the bottom wall 5 and the side wall 4. The thermocouple 7 may be provided in one or more, and may be provided on the side wall 4 or the bottom wall 5 as the actual need arises.
The thermocouple 7 monitors the temperature of the heat conduction oil 8 in real time, when the temperature of the heat conduction oil 8 reaches a preset value, the electric heating pipe 6 can be controlled to be powered off through the electric control device, and when the temperature of the heat conduction oil 8 is lower than the preset value, the electric heating pipe 6 can be powered on, so that the electric heating pipe is continuously heated, and electric energy is saved. In one example, when the temperature rises to 140 ℃, power is automatically turned off, enabling automated unattended operation.
In an alternative embodiment, the stirring section comprises a driving motor 2, a speed reducer 3, a rotating shaft 9 and stirring blades 10, the stirring blades 10 being close to the bottom of the closed cavity 1; the stirring blade 10 is fixedly connected with the rotating shaft 9, the driving motor 2 is connected with the speed reducer 3, the rotating shaft 9 is controlled to rotate, and then the stirring blade 10 is driven to rotate, and waste tar in the closed cavity 1 is stirred. The driving motor can control the stirring speed and the stirring time.
In an alternative embodiment, the closed cavity 1 is further provided with a first control valve 11, the first control valve 11 being arranged on the side wall 4, close to the bottom wall 5, for controlling the flow of waste tar out of the closed cavity 1.
In an alternative embodiment, tar recovery chamber 13 is connected to closed chamber 1 by a pipe.
The flue gas recovery assembly 102 comprises a dust collection ash bucket 12, a tar recovery cavity 13 and a material collecting barrel 16, wherein the dust collection ash bucket 12 is arranged above the tar recovery cavity, the material collecting barrel 16 is arranged below the tar recovery cavity 13, and the material collecting barrel is connected with the tar recovery cavity 13 through a pipeline and is used for storing high-carbon tar.
A plurality of inclined blanking plates 14 are arranged in the tar recovery cavity 13, and each blanking plate 14 is provided with a plurality of blanking holes. One end of each blanking plate 14 is fixedly arranged on the side wall 4 of the tar recovery cavity 13, and the other end of each blanking plate is suspended in the tar recovery cavity 13; wherein an included angle is formed between two adjacent blanking plates 14.
The plurality of blanking plates 14 which are inclined and have included angles between the adjacent blanking plates 14 can effectively reduce the falling speed of the dust collection ash leaked from the dust collection ash bucket 12, and is beneficial to fully mixing the flue gas generated by heating the waste tar with the dust collection ash. The dust collecting ash is in powder particles, slowly descends in a suspension powder state through a plurality of blanking plates 14, is mixed with ascending waste tar smoke, the smoke with moisture wraps the dust collecting ash powder surface, and the fine powder dust collecting ash is adsorbed by utilizing the strong adsorption performance of the tar smoke to form high-carbon tar.
In an alternative embodiment, the number of the plurality of blanking plates 14 is three.
In an alternative embodiment, the flue gas recovery assembly 102 further comprises a second control valve 15, the second control valve 15 being arranged on the line between the receiving bowl 16 and the tar recovery cavity 13 for controlling the flow of high char tar into the receiving bowl 16.
The collected high-carbon tar can be returned into the electric heating pot 101 through a pipeline for continuous utilization, and the embodiment of the utility model realizes the efficient secondary recycling of the solid waste, greatly improves the utilization rate of the solid waste, reduces the discharge amount of waste, and is energy-saving and environment-friendly.
In a specific embodiment, the electric heating cooker: diameter 2m, height 1.5m. Electric heating tube: the power is 5kW, and the length is 400mm. The diameter of the blanking hole on the blanking plate is 2mm.
The utility model also provides an electric heating system for preparing formed coke, which is used for heating waste tar generated by the electrolytic aluminum process and comprises the electric heating device and an electric control device, wherein the electric control device controls the operation of the electric heating device. The electric control device has an automatic start-stop function and is used for controlling power transmission to the electrolytic heating pipe, when the temperature of the heat conducting oil reaches a preset value, the power transmission to the electric heating pipe is stopped, and when the temperature of the heat conducting oil is lower than the preset value, the power transmission to the electric heating pipe is performed, so that the electric heating pipe is continuously heated. The electric control device can also control the stirring speed and the stirring time of the stirring part in the electric heating pot.
The utility model adopts a closed container, utilizes an electric heating pipe to heat the waste tar, sets a thermocouple to monitor and control the heating temperature, removes the moisture and other low boiling point substances of the waste tar, improves the content of useful components of the waste tar, and simultaneously stirs the waste tar while heating so as to lead the waste tar to be heated and uniformly mixed, and tar particles in the flue gas can be recycled. The technical problems that in the prior art, waste tar is heated unevenly due to incapability of controlling heating temperature, potential safety hazards exist, and smoke generated by heating cannot be treated, so that environment is polluted are solved.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (10)
1. An electric heating device for preparing formed coke, which is used for heating waste tar generated by an electrolytic aluminum process, and is characterized by comprising the following components:
the electric heating pot comprises a closed cavity and a stirring part, wherein the stirring part is arranged in the closed cavity and is used for stirring waste tar in the closed cavity; the side wall and the bottom wall of the closed cavity are cavities communicated with each other, and an electric heating pipe, heat conducting oil and a thermocouple are arranged in the cavities;
the flue gas recovery assembly comprises a dust collection ash bucket and a tar recovery cavity, and the dust collection ash bucket is arranged above the tar recovery cavity; a plurality of inclined blanking plates are arranged in the tar recovery cavity, and each blanking plate is provided with a plurality of blanking holes;
the flue gas recovery assembly is communicated with the interior of the electric heating pot, and the dust collection ash leaked from the dust collection ash hopper is mixed with flue gas in the tar recovery cavity to form high-carbon tar for recovery.
2. The heating device of claim 1, wherein the electric heating tube is disposed at the bottom wall for heating the heat transfer oil;
the thermocouple is arranged on the side wall and is used for monitoring the temperature of the heat conducting oil.
3. The heating device of claim 1, wherein the stirring section comprises a drive motor, a speed reducer, a rotating shaft, and a stirring blade, the stirring blade being proximate to a bottom of the closed cavity;
the stirring blade is fixedly connected with the rotating shaft, the driving motor is connected with the speed reducer, the rotating shaft is controlled to rotate, and then the stirring blade is driven to rotate, and waste tar in the closed cavity is stirred.
4. The heating device of claim 2, wherein a first control valve is further disposed on the closed cavity, the first control valve being disposed on the side wall proximate the bottom wall for controlling flow of waste tar out of the closed cavity.
5. The heating device of claim 1, wherein the tar recovery cavity is connected to the closed cavity by a conduit.
6. The heating device of claim 1, wherein the flue gas recovery assembly further comprises a receiving bowl disposed below the tar recovery cavity, the receiving bowl being connected to the tar recovery cavity by a conduit for storing high char tar.
7. The heating device of claim 6, wherein the flue gas recovery assembly further comprises a second control valve disposed on a line between the receiving bowl and the tar recovery cavity for controlling flow of high char tar into the receiving bowl.
8. The heating device of claim 1, wherein one end of the plurality of blanking plates is fixedly arranged on the side wall of the tar recovery cavity, and the other end is suspended in the tar recovery cavity; wherein, have the contained angle between two adjacent flitch down.
9. The heating device of claim 1, wherein the number of the plurality of blanking plates is three.
10. An electric heating system for producing formed coke, for heating waste tar produced by an electrolytic aluminum process, comprising an electric heating apparatus as claimed in any one of claims 1 to 9, and an electric control apparatus for controlling the operation of the electric heating apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321349103.XU CN219772063U (en) | 2023-05-30 | 2023-05-30 | Electric heating device and system for preparing formed coke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321349103.XU CN219772063U (en) | 2023-05-30 | 2023-05-30 | Electric heating device and system for preparing formed coke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219772063U true CN219772063U (en) | 2023-09-29 |
Family
ID=88134912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321349103.XU Active CN219772063U (en) | 2023-05-30 | 2023-05-30 | Electric heating device and system for preparing formed coke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219772063U (en) |
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2023
- 2023-05-30 CN CN202321349103.XU patent/CN219772063U/en active Active
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