CN114195145A - Electrode condensation type Acheson graphitizing furnace and installation and construction method thereof - Google Patents

Electrode condensation type Acheson graphitizing furnace and installation and construction method thereof Download PDF

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CN114195145A
CN114195145A CN202210002442.4A CN202210002442A CN114195145A CN 114195145 A CN114195145 A CN 114195145A CN 202210002442 A CN202210002442 A CN 202210002442A CN 114195145 A CN114195145 A CN 114195145A
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wall
electrode
furnace
acheson
pipe
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CN114195145B (en
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王腾师
王腾伟
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Inner Mongolia Hengke New Material Technology Co ltd
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Inner Mongolia Hengke New Material Technology Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/20—Graphite
    • C01B32/205—Preparation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F27D11/08—Heating by electric discharge, e.g. arc discharge
    • F27D11/10—Disposition of electrodes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency

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  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

The application provides an electrode condensation type Acheson graphitizing furnace and an installation construction method thereof, wherein the graphitizing furnace comprises a furnace body assembly and an electrode assembly, the furnace body assembly is provided with the electrode assembly, and the outside of the electrode assembly is provided with a condensation mechanism for heat dissipation and temperature reduction; wherein the outer wall is fixedly connected to the outer wall of the top end of the heat insulation bottom wall of the furnace body assembly, partition walls are fixedly distributed between the outer walls on the outer wall of the top end of the heat insulation bottom wall, a plurality of first ventilation openings are uniformly distributed in the upper direction and the lower direction along the length direction of the outer wall, and a plurality of second ventilation openings are uniformly distributed in the upper direction and the lower direction along the length direction of the partition walls. The structure design that adjacent graphitizing furnaces share the same furnace wall is adopted, so that the space is saved, the occupied area is reduced, and meanwhile, the excessive area space can be used for continuously stacking the graphitizing furnaces, so that the economic benefit can be directly improved; in addition, steel building is not used, construction cost is reduced, and material consumption is greatly reduced.

Description

Electrode condensation type Acheson graphitizing furnace and installation and construction method thereof
Technical Field
The application relates to the technical field of graphitizing Acheson furnaces, in particular to an electrode condensation type Acheson graphitizing furnace and an installation and construction method thereof.
Background
A graphitization acheson furnace (hereinafter referred to as acheson furnace) is a heat treatment furnace for developing graphite crystals of a carbonized carbonaceous material (carbide); a graphitization furnace in which a filler coke is filled around a carbonized material, indirect energization is performed to generate heat by resistance of the coke, and finally resistance heat is generated also in an object to be heated. The industrial application of Acheson furnace has been in the history for one hundred years, and is still commonly applied in China at present. The furnace has the characteristics of simple structure, firmness, durability and easy maintenance, and is always the main graphitization equipment in the carbon industry. Nevertheless, the Acheson graphitization process has many problems.
Traditional acheson stove, for guaranteeing that the vent is smooth and easy, uses the single wall between stove and the stove, and the interval adopts I-steel to fill (as shown in figure 1), its advantage: the flange is wide, the lateral rigidity is high, the bending resistance is strong, and the precision is high; the connection, processing and installation are simple, various sections can be formed, and the engineering design and manufacturing requirements are greatly met; but the cost of steel is gradually high due to the influence of market factors; the steel has high hardness, so that the requirement on space is extremely high, and the occupied space is large; and dust generated in the graphitization process is also inconvenient to remove when falling into the interval between the furnace bodies, and certain influence is caused on the environment.
Disclosure of Invention
The application provides an electrode condensation type Acheson graphitizing furnace and an installation and construction method thereof, which aim to solve the problems in the background technology.
In a first aspect, the application provides an electrode condensation type acheson graphitization furnace, which comprises a furnace body assembly and an electrode assembly, wherein the electrode assembly is installed on the furnace body assembly, and a condensation mechanism for dissipating heat and reducing temperature is installed outside the electrode assembly;
the furnace body component comprises a substrate, supporting blocks, a base, a heat insulation bottom wall, an outer wall and partition walls, wherein the supporting blocks are fixedly distributed on the outer wall of the top end of the substrate, the supporting blocks are fixedly distributed on the top end of the substrate through the top end, the base is arranged on the outer wall of the top end of the base, the heat insulation bottom wall is fixedly connected on the outer wall of the top end of the heat insulation bottom wall, the outer wall is fixedly distributed between the outer walls, the partition walls are uniformly arranged on the outer wall of the top end of the heat insulation bottom wall along the length direction of the outer wall, a plurality of first ventilation openings are uniformly arranged on the outer wall along the length direction of the outer wall, and a plurality of second ventilation openings are uniformly arranged on the partition walls along the length direction of the partition walls.
In a possible implementation manner, the electrode assembly is installed on one side of the outer wall, the electrode assembly comprises a rectifier and electrode bodies, the rectifier is arranged on one side of the outer wall, the inner walls of the outer wall corresponding to the positions of the furnace head and the furnace tail are respectively and fixedly provided with a plurality of electrode bodies, the output end of the rectifier is connected with a plurality of electrode bodies, one side of the electrode bodies, which is close to the outer wall, is provided with a condensation mechanism for dissipating heat and cooling the electrode bodies, the condensation mechanism comprises a condensation pipe with condensate flowing circularly, and the condensation pipe is installed at one end of the electrode bodies.
In a possible implementation, the liquid inlet end fixedly connected with condensate liquid feed pipe of condenser pipe, the liquid outlet end fixedly connected with condensate liquid drain pipe of condenser pipe, one side of outer wall is provided with first connecting pipe, just the input fixed connection of condensate liquid feed pipe is in the output of first connecting pipe, one side of outer wall still is provided with the second connecting pipe, just the output fixed connection of condensate liquid drain pipe is in the input of second connecting pipe.
In a possible implementation manner, a first ring beam at the same horizontal height is arranged inside the outer wall and the partition wall, and a second ring beam is arranged on the outer wall of the top end of the outer wall and the partition wall.
In a possible implementation manner, the first ring beam is a refractory castable ring beam, and the second ring beam is a concrete ring beam.
In one possible implementation, the heat insulation bottom wall, the outer wall and the partition wall are built by stacking refractory bricks.
In a possible implementation manner, each partition wall is provided with two rows of the second ventilation holes respectively.
In one possible implementation, the thickness of the partition wall is greater than the thickness of the outer wall.
In a possible implementation manner, the thickness of the outer wall is 900-; the height of the outer wall is consistent with that of the partition wall, and the heights of the outer wall and the partition wall are all 4700-4800mm
In a second aspect, the present application also provides a method for installing and constructing the electrode condensation type acheson graphitization furnace, comprising: building an outer wall and a partition wall; step two, mounting an electrode assembly; thirdly, arranging a condensing mechanism;
in the first step, firstly, a base part of a furnace body is built according to a design drawing of an Acheson graphitizing furnace, then, according to specification design, refractory bricks are used for building an outer wall on the base, partition walls are piled up at intervals in the outer wall, mounting holes of an electrode body of an electrode assembly are reserved when the outer wall is built, in addition, refractory bricks of different types are used for respectively building a first ventilation opening and a second ventilation opening when the outer wall and the partition walls are built, the furnace wall is piled up to the designed height, a first ring beam is poured by using refractory castable, the piling is continued, and finally, a second ring beam is poured by using concrete at the top ends of the outer wall and the partition walls;
in the second step, the condenser pipe is arranged on the electrode body, then the electrode body is arranged on the outer wall and is electrically connected with the rectifier, and corresponding circuit layout is completed;
in the third step, a condensate pipe system is firstly arranged, and the condensate pipes are respectively connected with a condensate liquid inlet pipe and a condensate liquid outlet pipe to complete the installation of the condensing mechanism.
Compared with the prior art, the beneficial effects of this application are:
the electrode condensation type Acheson graphitizing furnace comprises a furnace body assembly and an electrode assembly, wherein the electrode assembly is mounted on the furnace body assembly, and a condensation mechanism for dissipating heat and reducing temperature is mounted outside the electrode assembly; wherein the outer wall is fixedly connected to the outer wall of the top end of the heat insulation bottom wall of the furnace body assembly, partition walls are fixedly distributed between the outer walls on the outer wall of the top end of the heat insulation bottom wall, a plurality of first ventilation openings are uniformly distributed in the upper direction and the lower direction along the length direction of the outer wall, and a plurality of second ventilation openings are uniformly distributed in the upper direction and the lower direction along the length direction of the partition walls.
In the application, the electrode condensation type Acheson graphitizing furnace adopts the structural design that adjacent graphitizing furnaces share the same furnace wall, so that the space is saved, the occupied area is reduced, the extra area space can be continuously stacked, and the economic benefit can be directly improved; in addition, steel building is not used, the construction cost is reduced, and the material consumption is greatly reduced; meanwhile, partition walls are distributed and fixed between the outer walls on the top end outer wall of the heat insulation bottom wall, so that the furnace bodies of the Acheson furnace do not have intervals, and dust generated in the graphitization process does not fall into the intervals among the furnace bodies, so that dust removal is facilitated; in addition, this application outer wall is provided with a plurality of first vents of evenly arranging from top to bottom along self length direction, and each partition wall is provided with a plurality of second vents of evenly arranging from top to bottom respectively along self length direction for outer wall and partition wall have the ventilation and heat dissipation passageway by first vent, that the second vent formed respectively, can keep ventilating also can use the fan to retrieve the dust to appointed position through the cooperation of furnace body both sides ventilation and heat dissipation passageway and carry out secondary dust removal, reach the environmental protection, reduce air pollution's purpose.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or 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 application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic representation of a conventional Acheson graphitizing furnace;
FIG. 2 is a front view cut-away schematic structural view of the present application;
FIG. 3 is a front sectional view of the partition wall of the present application;
FIG. 4 is a rear view sectional structure of the partition wall of the present application;
FIG. 5 is an enlarged view of the structure of the area A in FIG. 4;
FIG. 6 is a wiring diagram of an electrode assembly of the present application;
FIG. 7 is an enlarged view of the structure of the area B in FIG. 6;
FIG. 8 is an enlarged view of the structure of the area C in FIG. 6;
FIG. 9 is a flow chart of a method of the present application.
In the figure:
1. a furnace body assembly;
10. a substrate; 11. a support block; 12. a base; 13. a heat insulating bottom wall; 14. an outer wall; 15. a first vent; 16. a partition wall; 17. a second vent; 18. a first ring beam; 19. a second ring beam;
2. an electrode assembly;
20. a rectifier; 21. an electrode body; 22. a condenser tube; 23. a condensate inlet pipe; 24. a condensate liquid outlet pipe; 25. a first connecting pipe; 26. a second connecting pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present application, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 2 to 8, an embodiment of the present application provides an electrode condensation type acheson graphitizing furnace, which is characterized by comprising a furnace body assembly 1 and an electrode assembly 2, wherein the electrode assembly 2 is mounted on the furnace body assembly 1, and a condensation mechanism for dissipating heat and reducing temperature is mounted outside the electrode assembly 2.
Wherein, furnace body subassembly 1 includes basement 10, supporting shoe 11, base 12, thermal-insulated bottom wall 13, outer wall 14 and partition wall 16, it is fixed with supporting shoe 11 to distribute on the top outer wall of basement 10, the top of basement 10 is provided with base 12 through top fixed supporting shoe 11 that distributes, fixedly connected with thermal-insulated bottom wall 13 on the top outer wall of base 12, fixedly connected with outer wall 14 on the top outer wall of thermal-insulated bottom wall 13, it is fixed with partition wall 16 to distribute between outer wall 14 on the top outer wall of thermal-insulated bottom wall 13, outer wall 14 is provided with a plurality of first vents 15 of evenly arranging from top to bottom along self length direction, each partition wall 16 is provided with a plurality of second vents 17 of evenly arranging from top to bottom respectively along self length direction.
The embodiment of the application provides an electrode condensation formula acheson graphitizing furnace has adopted the same structural design who blocks up the furnace wall of adjacent graphitizing furnace sharing, more saves space, has reduced area, and the area space that is too much simultaneously can carry out graphitizing furnace's continuous pile up again, can directly improve economic benefits, and this application does not use the steel building in addition, reduces construction cost, and the consumptive material volume reduces by a wide margin.
Meanwhile, the partition walls 16 are distributed and fixed between the outer walls 14 on the outer wall of the top end of the heat insulation bottom wall 13, so that the furnace body of the Acheson furnace is free from intervals, and dust generated in the graphitization process can not fall into the intervals between the furnace bodies, so that dust removal is facilitated.
In addition, this application outer wall 14 is provided with a plurality of first vents 15 of evenly arranging from top to bottom along self length direction, and each partition wall is provided with a plurality of second vents 17 of evenly arranging from top to bottom respectively along self length direction for outer wall 14 and partition wall 16 have the ventilation cooling passageway by first vent 15, that second vent 17 formed respectively, can keep ventilating and also can use the fan to retrieve the dust to appointed position through the cooperation of furnace body both sides ventilation cooling passageway in order to carry out secondary dust removal, reach the environmental protection, reduce air pollution's purpose.
It should be noted that most of the acheson graphitization furnaces at present only use calcined coke as an electric resistance material, but the calcined coke cannot be contacted with water, so that the cooling mode is limited, only natural cooling can be adopted, the cooling is slow, and the tapping time is prolonged. This application starts from practical problem, adopts simple and economic effectual design, sets up the partition wall 16 between outer wall 14 with arrange the furnace body in succession to set up a plurality of first vents 15, second vent 17 respectively at outer wall 14 and partition wall 16, make acheson graphitizing furnace when the cooling, can utilize the ventilation heat dissipation passageway that first vent 15, second vent 17 formed to ventilate, the going on of accelerated cooling, thereby shorten the time of drawing a furnace.
Meanwhile, the arrangement of a large number of first ventilation openings 15 and second ventilation openings 17 on the outer wall 14 and the partition wall 16 can increase the heat dissipation area of the wall of the furnace body, so that the ventilation and heat dissipation effects are further improved.
Moreover, in this application, first vent 15 and second vent 17 set up according to the length direction of outer wall 14 and partition wall 16 respectively, and first vent 15 and second vent 17 all adopt evenly distributed's form from top to bottom, make the heat dissipation channel that first vent 15 and second vent 17 formed run through the length direction of whole furnace body like this, and the formation of multichannel radiating mode on the direction of height about the furnace body, make the more evenly distributed of furnace body heat dissipation, do benefit to the holistic quick heat dissipation of furnace body, and can avoid appearing the furnace body about the great difference in temperature that causes when the heat dissipation of different positions, thereby avoid damaging the condition emergence of furnace body wall.
The application provides an electrode condensing acheson graphitizing furnace is in normal production use, and the dust accessible furnace body top collection petticoat pipe that the graphitization in-process produced collects to dust removal when mainly carrying out production. In addition, when discharging, the channel formed by the first ventilation opening 15 and the second ventilation opening 17 can be used for being matched with a fan to recycle dust to a specified position for secondary dust removal, so that the aims of protecting environment and reducing air pollution are fulfilled.
Furthermore, the acheson graphitization furnace provided by the application is designed in an electrode condensation type besides being continuously designed in the furnace body. Specifically, this application is at the condensation mechanism that electrode subassembly 2's externally mounted carried out the cooling of dispelling the heat, adopts the mode of condensate circulation in order to carry out electrode subassembly 2 at the heat dissipation of furnace end and stove tail part electrode body 21, avoids electrode subassembly 2 to appear too high problem to guarantee electrode subassembly 2's safe and reliable use.
As an alternative to the embodiment of the present application, the electrode assembly 2 is mounted on one side of the outer wall 14 for conducting current to energize the graphite.
Wherein, electrode subassembly 2 includes rectifier 20 and electrode body 21, rectifier 20 sets up in one side of outer wall 14, it is fixed with a plurality of electrode bodies 21 to distribute respectively on the inner wall that outer wall 14 corresponds furnace end and stove tail position, during the installation of electrode body 21, one side of electrode body 21 stretches into in the furnace body, the outside of outer wall 14 is arranged in to one side of electrode body 21, rectifier 20's output is connected with a plurality of electrode bodies 21, one side that electrode body 21 is close to outer wall 14 is provided with the condensation mechanism that carries out the heat dissipation cooling to electrode body 21. In the embodiment of the present application, the condensing mechanism includes a condensing pipe 22 in which the condensate circulates, and the condensing pipe 22 is installed at one end of the electrode body 21.
As an optional mode of this application embodiment, the liquid inlet end fixedly connected with condensate liquid inlet pipe 23 of condenser pipe 22, the liquid outlet end fixedly connected with condensate liquid outlet pipe 24 of condenser pipe 22, one side of outer wall 14 is provided with first connecting pipe 25, and the input fixed connection of condensate liquid inlet pipe 23 is in the output of first connecting pipe 25, one side of outer wall 14 still is provided with second connecting pipe 26, and the output fixed connection of condensate liquid outlet pipe 24 is in the input of second connecting pipe 26. In the use process, the first connecting pipe 27 is used for injecting condensate into the condensation pipe 22 through the condensate liquid inlet pipe 23, and the condensate liquid outlet pipe 24 and the second connecting pipe 26 are used for condensate circulation, so that heat of the electrode body 21 is taken away through the condensation pipe 22, and the electrode body 21 can be rapidly cooled.
Because traditional acheson graphitizing furnace when using, the interval between furnace body and the furnace body has adopted the I-steel that intensity is higher to fill, has also played certain support guard action to the furnace body wall like this. In the actual use process, I-shaped steel at the interval between the furnace body and the furnace body is easy to deform under the action of larger pressure, so that the wall of the Acheson furnace is easy to damage. In the embodiment of the application, the gap between the furnace body and the furnace body is removed, and the use of I-shaped steel is also omitted, so that certain strength use requirements need to be considered when the wall body of the Acheson graphitizing furnace is constructed. For this reason, according to the electrode condensation type acheson furnace provided in the embodiment of the present application, optionally, ring beams may be provided for the outer wall 14 and the partition wall 16, and the outer wall 14 and the partition wall 16 meeting a certain thickness requirement are adopted, so as to improve the overall strength of the acheson furnace, and ensure safe and stable use of the acheson furnace.
As an alternative way of the embodiment of the present application, the outer wall 14 and the partition wall 16 are internally provided with a first ring beam 18 at the same horizontal height, and the top outer walls of the outer wall 14 and the partition wall 16 are provided with a second ring beam 19.
In this application embodiment, the intensity and the stability of this application electrode condensing acheson graphitizing furnace can be improved to the setting of first ring roof beam 18 and second ring roof beam 19 to satisfy normal use demand.
As an alternative to the embodiment of the present application, the first ring beam 18 is a refractory castable ring beam, and the second ring beam 19 is a concrete ring beam.
The embodiment of the application adopts the refractory castable ring beam as the first ring beam 18, is convenient for pouring construction, and the refractory castable has excellent refractory performance, and the first ring beam 18 obtained by adopting the refractory castable construction is arranged in the outer wall 14 and the partition wall 16, so that the application under higher environmental temperature can be borne on the basis of meeting the strength support, thereby ensuring the further safety and reliability in application. Adopt the concrete collar tie as second collar tie 6, not only economy, the construction of being convenient for moreover, and can shorten the engineering time, can satisfy the user demand who sets up the collar tie on the top outer wall as outer wall 14 and partition wall 16. Because the second ring beam 19 is located at the top end of the wall body and cannot bear higher temperature as the first ring beam 18, the concrete ring beam is adopted as the second ring beam 19 in the invention in comprehensive consideration.
As an alternative to the embodiment of the present application, the heat insulation bottom wall 13, the outer wall 14 and the partition wall 16 are formed by stacking refractory bricks, which facilitates construction.
As an optional way of the embodiment of the present application, each partition wall 16 is provided with two rows of second ventilation openings 17, and the number of the second ventilation openings 17 in the two rows is the same. Optionally, in the embodiment of the present application, the horizontal interval between the two rows of second ventilation openings 17 is 220-240mm, that is, a wall width of the horizontal distance between the two rows of second ventilation openings 17 is left, and the outer wall 14 is located at two ends of the entire acheson graphitization furnace, so that there is no blocked peripheral space outside the outer wall 14, and therefore the heat dissipation and ventilation performance of the outer wall 14 itself is relatively good, and the outer wall 14 only needs to be provided with one row of first ventilation openings 15.
As an alternative to the embodiments of the present application, the thickness of the partition wall 16 is greater than the thickness of the outer wall 14. In this embodiment, in order to ensure safe and reliable use of the electrode condensation type acheson graphitizing furnace provided by the present application, certain consideration should be made on the thickness of the outer wall 14 and the partition wall 16. The partition wall 16 is located between the outer walls 14 and is always located inside the furnace body, and both sides of the partition wall 16 need to bear high temperature and pressure, so that when no I-steel support is provided at the partition of the traditional Acheson furnace, the partition wall 16 is wide compared with the original wall in thickness.
As an optional way of the embodiment of the present application, the thickness of the outer wall 14 is 900-; the height of the outer wall 14 is consistent with that of the partition wall 16, and the heights are 4700 and 4800 mm. The thickness and height design of the outer wall 101 and the partition wall 16 are adopted, and the result shows that the partition wall can be reliably produced and used through a period of experimental application. Optionally, the length of the furnace body is 24-28 m.
Referring to fig. 9, an embodiment of the present application further provides an installation method of the electrode condensation type acheson graphitization furnace, where the installation method includes: building an outer wall and a partition wall; step two, mounting an electrode assembly; and step three, arranging a condensing mechanism.
In the first step, firstly, a base part of a furnace body is built according to a design drawing of an Acheson graphitizing furnace, then, according to specification design, refractory bricks are used for building an outer wall 14 on the base, partition walls 16 are built inside the outer wall 14 at intervals, refractory clay is used for building the refractory bricks, so that the refractory bricks are firm and do not shake, mounting holes of an electrode body 21 of an electrode assembly 2 are reserved when the outer wall 14 is built, and different types of refractory bricks are used for respectively building a first ventilation opening 15 and a second ventilation opening 17 when the outer wall 14 and the partition walls 16 are built, so that heat emission and dust collection are facilitated, the operation is repeated, the furnace wall is built to the designed height, a first ring beam 18 is cast by using refractory castable, the stacking is continued, and finally, a second ring beam 19 is cast at the top ends of the outer wall 14 and the partition walls 16;
in the second step, the condenser tube 22 is mounted on the electrode body 21, and then the electrode body 21 is mounted on the outer wall 14 and electrically connected with the rectifier 20 to complete corresponding circuit layout;
in the third step, a condensate pipe system is arranged, and the condenser pipe 22 is connected with a condensate inlet pipe 23 and a condensate outlet pipe 24 respectively to complete the installation of the condensing mechanism.
Based on the above embodiment, when the application is used, the current after rectification can be transmitted to the electrode body 21 through the rectifier 20, the graphite raw material is electrified, condensate is injected into the condensation pipe 22 through the first connecting pipe 25 and the condensate liquid inlet pipe 23, the electrode body 21 can be cooled, and the condensate is discharged through the condensate liquid outlet pipe 24 and the second connecting pipe 26. Wherein the substrate 10, the supporting blocks 11, the base 12 and the heat insulating bottom wall 13 constitute a base portion of the furnace body, the outer wall 14 and the partition wall 16 constitute a furnace body portion, the first ventilation opening 15 and the second ventilation opening 17 are used for collecting heat and dust, and the first ring beam 18 and the second ring beam 19 are used for reinforcing the furnace body.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. The electrode condensation type Acheson graphitizing furnace is characterized by comprising a furnace body assembly (1) and an electrode assembly (2), wherein the electrode assembly (2) is installed on the furnace body assembly (1), and a condensation mechanism for dissipating heat and reducing temperature is installed outside the electrode assembly (2);
the furnace body component (1) comprises a substrate (10), a supporting block (11), a base (12), a heat insulation bottom wall (13), an outer wall (14) and a partition wall (16), the supporting blocks (11) are distributed and fixed on the outer wall of the top end of the substrate (10), the top end of the base (10) is provided with the base (12) through the supporting blocks (11) which are distributed and fixed at the top end, the outer wall of the top end of the base (12) is fixedly connected with the heat insulation bottom wall (13), the outer wall (14) is fixedly connected on the outer wall at the top end of the heat insulation bottom wall (13), the top end outer wall of the heat insulation bottom wall (13) is distributed and fixed with the partition walls (16) between the outer walls (14), the outer wall (14) is provided with a plurality of first ventilation openings (15) which are uniformly distributed up and down along the length direction of the outer wall, and each partition wall (16) is provided with a plurality of second ventilation openings (17) which are uniformly distributed up and down along the length direction of the partition wall.
2. The electrode condensing Acheson graphitization furnace as claimed in claim 1, the electrode assembly (2) is arranged on one side of the outer wall (14), the electrode assembly (2) comprises a rectifier (20) and an electrode body (21), the rectifier (20) is arranged on one side of the outer wall (14), a plurality of electrode bodies (21) are respectively distributed and fixed on the inner wall of the outer wall (14) corresponding to the positions of the furnace head and the furnace tail, the output end of the rectifier (20) is connected with a plurality of electrode bodies (21), a condensing mechanism for dissipating heat and reducing temperature of the electrode body (21) is arranged on one side of the electrode body (21) close to the outer wall (14), the condensation mechanism comprises a condensation pipe (22) in which condensate flows circularly, and the condensation pipe (22) is installed at one end of the electrode body (21).
3. The electrode condensing acheson furnace according to claim 2, wherein a condensate inlet pipe (23) is fixedly connected to an inlet end of the condenser pipe (22), a condensate outlet pipe (24) is fixedly connected to an outlet end of the condenser pipe (22), a first connecting pipe (25) is provided on one side of the outer wall (14), an input end of the condensate inlet pipe (23) is fixedly connected to an output end of the first connecting pipe (25), a second connecting pipe (26) is further provided on one side of the outer wall (14), and an output end of the condensate outlet pipe (24) is fixedly connected to an input end of the second connecting pipe (26).
4. Electrode condensation acheson furnace according to any one of claims 1 to 3, wherein the interior of said outer wall (14) and said partition wall (16) is provided with a first collar (18) at the same level, and the top outer walls of said outer wall (14) and said partition wall (16) are provided with a second collar (19).
5. The electrode condensing acheson furnace according to claim 4, wherein said first ring beam (18) is a refractory castable ring beam and said second ring beam (19) is a concrete ring beam.
6. The electrode condensing acheson furnace as claimed in claim 5, wherein said heat insulating bottom wall (13), outer wall (14) and partition wall (16) are built up of refractory bricks.
7. -electrode condensation acheson furnace according to claim 5, wherein each of said partition walls (16) is provided with two rows of said second ventilation openings (17), respectively.
8. -electrode condensation acheson furnace according to claim 5, wherein the thickness of the partition wall (16) is greater than the thickness of the outer wall (14).
9. The electrode condensing Acheson graphitization furnace as claimed in claim 5, wherein the thickness of the outer wall (14) is 900-950mm, the thickness of the partition wall (16) is 1150-1200mm, and the spacing between the outer wall (14) and the partition wall (16) and between the adjacent partition walls (16) is 5200-5800 mm; the height of the outer wall (14) is consistent with that of the partition wall (16), and the heights are 4700 and 4800 mm.
10. An installation and construction method of an electrode condensation type acheson furnace according to any one of claims 1 to 9, comprising: building an outer wall and a partition wall; step two, mounting an electrode assembly; thirdly, arranging a condensing mechanism;
in the first step, firstly, a base part of a furnace body is built according to a design drawing of an Acheson graphitization furnace, then, an outer wall (14) is built on the base by using refractory bricks according to specification design, partition walls (16) are built in the outer wall (14) at intervals, mounting holes of an electrode body (21) of an electrode assembly (2) are reserved when the outer wall (14) is built, moreover, when the outer wall (14) and the partition walls (16) are built, refractory bricks of different types are respectively built to form a first ventilation opening (15) and a second ventilation opening (17), the furnace wall is built to the designed height, a first ring beam (18) is cast by using refractory castable, the building is continued, and finally, a second ring beam (19) is cast by using concrete at the top ends of the outer wall (14) and the partition walls (16);
in the second step, the condensation pipe (22) is arranged on the electrode body (21), then the electrode body (21) is arranged on the outer wall (14) and is electrically connected with the rectifier (20), and corresponding circuit layout is completed;
in the third step, a condensate pipe system is arranged, and the condenser pipe (22) is connected with the condensate liquid inlet pipe (23) and the condensate liquid outlet pipe (24) respectively to finish the installation of the condensing mechanism.
CN202210002442.4A 2022-01-04 2022-01-04 Electrode condensation type Acheson graphitizing furnace and installation and construction method thereof Active CN114195145B (en)

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