CN116608692A - Electric heating furnace for coke reactivity test - Google Patents
Electric heating furnace for coke reactivity test Download PDFInfo
- Publication number
- CN116608692A CN116608692A CN202310889695.2A CN202310889695A CN116608692A CN 116608692 A CN116608692 A CN 116608692A CN 202310889695 A CN202310889695 A CN 202310889695A CN 116608692 A CN116608692 A CN 116608692A
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- heating wire
- pipe
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- 239000000571 coke Substances 0.000 title claims abstract description 61
- 238000005485 electric heating Methods 0.000 title claims abstract description 30
- 230000009257 reactivity Effects 0.000 title claims abstract description 22
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 258
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 82
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 41
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 41
- 238000007664 blowing Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 238000010248 power generation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012546 transfer Methods 0.000 description 10
- 238000009423 ventilation Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/02—Furnaces of a kind not covered by any preceding group specially designed for laboratory use
-
- 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
- F27D11/02—Ohmic resistance heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Devices For Use In Laboratory Experiments (AREA)
- Coke Industry (AREA)
Abstract
The application relates to an electric heating furnace for testing coke reactivity, which relates to the technical field of electric heating furnaces and comprises a furnace body with a hollow interior, a heating box fixedly arranged in the furnace body and a heating component arranged in the heating box, wherein the bottom of the heating box is communicated with an air supply pipe, the air supply pipe is used for blowing carbon dioxide gas into the heating box, the heating component comprises a heating part and a driving part, the heating part comprises a plurality of first heating wires positioned in the heating box and distributed along the blowing direction of the carbon dioxide gas, the first heating wires are in sliding connection with the heating box along the blowing direction of the carbon dioxide gas, the driving part is arranged in the heating box and is connected with the plurality of first heating wires, and the driving part is used for driving the first heating wires to slide back and forth. The application has the effect of enabling the electric heating wire to be convenient for uniformly heating the coke block.
Description
Technical Field
The application relates to the technical field of electric heating furnaces, in particular to an electric heating furnace for testing coke reactivity.
Background
The coke reactivity test refers to a process of evaluating the reactivity of coke by its reaction characteristics with carbon dioxide. The main step of coke reaction performance test is to heat the coke and carbon dioxide to 1100 deg.c in an electric heating furnace for chemical reaction.
The existing electric heating furnace mainly heats a plurality of coke blocks placed in a hearth of the electric heating furnace through an electrified heating wire, the temperature in the hearth is increased to 1100 ℃ by the heating wire, carbon dioxide is introduced into the hearth, and the coke blocks react with the carbon dioxide at the temperature of 1100 ℃.
Because the heating wire is generally fixed in the furnace chamber of the electric heating furnace, the heating wire heats the coke block close to the heating wire in a heat transfer mode, and heats the coke block far away from the heating wire in a heat radiation mode, so that the heating wire is not easy to uniformly heat the coke block.
Disclosure of Invention
In order to facilitate the electric heating wire to uniformly heat the coke block, the application provides an electric heating furnace for testing the reactivity of coke.
The application provides an electric heating furnace for testing coke reactivity, which adopts the following technical scheme:
the utility model provides an electric heating furnace for coke reactivity test, includes inside hollow furnace body, fixed set up in heating cabinet in the furnace body and set up heating element in the heating cabinet, the bottom intercommunication of heating cabinet has the air supply pipe, the air supply pipe be used for to blow in the carbon dioxide gas in the heating cabinet, heating element includes heating portion and drive division, heating portion is including being located the inside first heating wire of heating cabinet, first heating wire is provided with a plurality ofly, and arranges along the blowing direction of carbon dioxide gas, first heating wire with the heating cabinet is in along the blowing direction sliding connection of carbon dioxide gas, drive division sets up inside the heating cabinet, and with a plurality of first heating wire all is connected, drive division is used for the drive the reciprocal slip of first heating wire.
Through adopting above-mentioned technical scheme, put into the heating cabinet with a plurality of coke pieces, let in the heating cabinet with carbon dioxide gas from the air supply pipe, carbon dioxide gas blows a plurality of coke pieces and turns and float, make first heating wire circular telegram, first heating wire is with heat transfer to the heating cabinet in, and heat up to the coke piece, drive division drive first heating wire reciprocating sliding, because the coke piece is in and turns and float the state, make the coke piece be difficult for causing the influence to the slip of first heating wire, first heating wire circulation is to the space transfer heat in self sliding travel range, thereby turn with the coke piece and float the cooperation, make first heating wire be convenient for evenly heat the coke piece.
Optionally, a second heating wire is fixedly arranged at one end of the air supply pipe, which is close to the heating box, and the second heating wire is spirally wound on the air supply pipe.
Through adopting above-mentioned technical scheme, make the second heating wire circular telegram, in the second heating wire will heat transfer to the air supply pipe, and the carbon dioxide gas in the heating air supply pipe makes carbon dioxide gas let go into before the heating cabinet and can be in the state of rising temperature to make carbon dioxide gas be difficult for absorbing the heat in the heating cabinet, improved the efficiency that the heating cabinet risees.
Optionally, the air supply pipe with the one end of heating cabinet intercommunication extends to in the heating cabinet, the extension intercommunication of air supply pipe has the flaring pipe, the flaring direction of flaring pipe is for keeping away from the direction of air supply pipe, the flaring pipe is kept away from the one end fixedly connected with of air supply pipe ventilates the net.
Through adopting above-mentioned technical scheme, in the air supply pipe blows in the flaring pipe with carbon dioxide gas, carbon dioxide gas blows in the heating cabinet from ventilative net through the flaring pipe, has enlarged the scope of blowing of carbon dioxide gas, and under ventilative net's bearing action for the coke piece is difficult for blockking up the air supply pipe.
Optionally, the drive portion includes drive pipe, drive plate and drive piece, the one end of drive pipe with the air supply pipe is in extension intercommunication in the heating cabinet, the inside wall of heating cabinet with the drive pipe is kept away from the position that air supply pipe one end is just right has seted up the drive groove, the drive plate along be close to or keep away from the direction slip of drive pipe set up in the drive groove, the drive piece be provided with a plurality of, and with first heating wire one-to-one, one side of drive piece with drive plate fixed connection, the opposite side is along being close to the direction of heating cabinet bottom is towards keeping away from the direction slope setting of drive plate, first heating wire butt in the inclined plane of drive piece, the drive plate with fixedly connected with spring between the tank bottom of drive groove, the spring is used for driving the drive plate towards being close to the direction of drive pipe, when the drive plate slides away from the drive pipe, the drive plate makes the drive pipe seals, when the drive plate slides to be close to the drive pipe.
Through adopting above-mentioned technical scheme, the carbon dioxide gas in the air supply pipe blows into the drive pipe, and blow on the drive plate through the drive pipe, the carbon dioxide air current promotes the drive plate and slides away from the drive pipe, and make the spring accumulate elasticity, the drive plate also makes the drive pipe seal, the confined drive pipe blocks the carbon dioxide air current, the drive plate slides nearly the drive pipe under the spring action of spring, and make the drive pipe switch on again, the carbon dioxide air current in the drive pipe promotes the drive plate again and slides away from the drive pipe, make the drive plate can slide in the drive groove with the help of the carbon dioxide gas circulation of letting in, the drive plate drives the drive piece and slides in the circulation, when the drive piece slides away from first heating wire, first heating wire slides nearly the air supply pipe under the action of gravity, when the drive piece slides nearly first heating wire, first heating wire slides away from the air supply pipe under the inclined plane promotion of drive piece, make first heating wire be convenient for in the heating box circulation slip.
Optionally, be provided with in the drive tube and be used for sealing the baffle of drive tube, the baffle with the drive tube is articulated, the baffle passes through the coaxial fixedly connected with gear of articulated shaft, the gear is located the outside of drive tube, and the meshing has the rack, one end fixedly connected with of rack in the drive plate.
Through adopting above-mentioned technical scheme, when the drive plate slides away from the drive tube, the drive plate drives the rack and removes, and rack drive gear rotates, and the gear drives the baffle and rotates, and the baffle seals the drive tube, and when the drive plate slides near the drive tube, the drive plate drives the rack and moves in a reverse direction, and rack drive gear rotates in a reverse direction, and the gear drives the baffle and rotates in a reverse direction, and the baffle releases the closure of drive tube for the drive plate is convenient for control the circulation of drive tube in the slip in-process and switches on.
Optionally, the first heating wire is annular, the drive portion is followed the circumference of first heating wire is provided with a plurality ofly, fixedly connected with on the first heating wire a plurality of with the slider of drive portion one-to-one, set up on the inclined plane of drive piece along the incline direction with the spout of slider looks adaptation, the slider slip set up in the spout.
By adopting the technical scheme, the annular first heating wire can uniformly heat the space around the heating box, so that the heating uniformity of the heating box is improved; the first heating wire slides relative to the driving block through the sliding block and the sliding groove, so that the sliding process of the first heating wire is more stable and reliable.
Optionally, the sliding block is spherical, and the side wall of the sliding groove is arc-shaped matched with the sliding block.
By adopting the technical scheme, the spherical sliding block is easier to slide in the sliding groove of the arc-shaped side wall, so that the sliding fluency of the first heating wire is improved.
Optionally, a pressure relief valve is arranged on the top of the side wall of the heating box.
Through adopting above-mentioned technical scheme, when the atmospheric pressure in the heating cabinet reached the setting value of relief valve, the relief valve was in the gas pressure release to the furnace body with the heating cabinet for the heating cabinet is difficult for explosion because of atmospheric pressure is too big, has improved the security that the electric heater used, and the gas in the furnace body further keeps warm the heating cabinet, makes the heat in the heating cabinet be difficult for losing, has improved the heating effect of electric heater.
Optionally, the top of heating cabinet is the opening form, and is provided with the apron subassembly, the apron subassembly includes apron, telescopic link and third heating wire, the apron the telescopic link with the third heating wire all is provided with two, and one-to-one respectively, one side of apron articulate in the top of heating cabinet, the opposite side articulate in the expansion end of telescopic link, two the whole that the apron formed with the top looks adaptation of heating cabinet, the telescopic link articulate in the inside wall of furnace body, the third heating wire is fixed around locating the telescopic link, be in sealing state between the one end and the expansion end that the expansion end was kept away from to the telescopic link inside, and be equipped with the air.
Through adopting above-mentioned technical scheme, put into the heating cabinet with the coke piece after, to the circular telegram of third heating wire, the inside of telescopic link is given with heat transfer to the third heating wire, the air expansion in the telescopic link, the expansion air promotes the telescopic link and stretches out, the expansion end promotion apron lid of telescopic link closes the top at the heating cabinet, when the coke piece after the needs are taken out the heating, make the air cooling in the telescopic link, the expansion end shrink under the effect of self inside negative pressure of telescopic link, the expansion end pulling apron of telescopic link is opened for the heating cabinet is convenient for carry out the switching.
Optionally, the cover plate assembly further comprises an air pressure sensor and a controller, the air pressure sensor is fixedly connected to the inner side wall of the furnace body, the controller is fixedly connected to the outer side wall of the furnace body, the controller is respectively and electrically connected with the air pressure sensor and the third heating wire, the air pressure sensor is used for outputting air pressure signals of the space between the furnace body and the heating box, and the controller is used for responding to the air pressure signals output by the air pressure sensor and controlling the third heating wire to be powered off.
Through adopting above-mentioned technical scheme, the atmospheric pressure sensor measures the atmospheric pressure between furnace body and the heating cabinet, and exports the controller with the atmospheric pressure signal of measuring, and when the gaseous pressure between furnace body and the heating cabinet reached the setting value, the outage of controller control third heating wire, and the extension state of telescopic link can rely on the gaseous heat preservation between furnace body and the heating cabinet, has practiced thrift the electric energy consumption of third heating wire.
In summary, the present application includes at least one of the following beneficial technical effects:
through setting up drive tube, drive plate and drive piece for first heating wire is convenient for circulate and slide in the heating cabinet, thereby makes first heating wire can be to the space transfer heat of self sliding travel within range, and then makes first heating wire be convenient for evenly heating the coke piece;
through arranging the flaring pipe and the ventilation net, the coke block can be turned and floated under the blowing of carbon dioxide gas, so that the coke block is further easy to be heated uniformly;
the cover plate is controlled to be opened or closed through the telescopic rod, so that the heating box is convenient for putting the coke block in and taking out the heated coke block.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application;
FIG. 2 is a cross-sectional view of an embodiment of the present application;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is an enlarged view at B in fig. 2.
Reference numerals illustrate:
1. a furnace body; 2. a heating box; 21. an air supply pipe; 22. flaring the tube; 23. a ventilation screen; 24. a driving groove; 25. a pressure release valve; 3. a heating assembly; 31. a heating section; 311. a first heating wire; 3111. a slide block; 312. a second heating wire; 32. a driving section; 321. a driving tube; 3211. a baffle; 322. a driving plate; 3221. a spring; 323. a driving block; 3231. a chute; 324. a gear; 325. a rack; 4. a cover plate assembly; 41. a cover plate; 42. a telescopic rod; 43. a third heating wire; 44. an air pressure sensor; 45. and a controller.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses an electric heating furnace for testing coke reactivity. Referring to fig. 1 and 2, an electric heating furnace for testing coke reactivity includes a furnace body 1, a heating box 2 provided in the furnace body 1, a heating assembly 3 provided in the heating box 2, and a cover plate assembly 4 provided on the heating box 2, the heating assembly 3 being for heating a coke block in the heating box 2 in a manner of moving a heating source, the cover plate assembly 4 being for closing the heating box 2.
When the coke heating device is used, the cover plate assembly 4 is used for opening the heating box 2, a plurality of coke blocks are placed in the heating box 2, the cover plate 41 is used for sealing the heating box 2, the heating assembly 3 is used for heating the coke blocks in the heating box 2 in a moving heating source mode, and the heating of the coke blocks is convenient and uniform.
Referring to fig. 2, the furnace body 1 is rectangular box-shaped and hollow inside, the furnace body 1 is vertically arranged, and the top is in a necking shape. The heating box 2 is rectangular box-shaped, the inside is hollow, the heating box 2 is vertically arranged and is positioned at the center of the inside of the furnace body 1, the heating box 2 is fixedly connected with the furnace body 1, and the top end is open. A pressure relief valve 25 is arranged on the top of the side wall of the heating box 2.
The center department intercommunication of heating cabinet 2 bottom has air supply pipe 21, and air supply pipe 21 is the rectangle tubulose, and also fixes the bottom of wearing to establish at furnace body 1, and air supply pipe 21 is used for blowing in the carbon dioxide gas to heating cabinet 2. The communication part of the air supply pipe 21 and the heating box 2 extends into the heating box 2, the extension part of the air supply pipe 21 is communicated with the flaring pipe 22, the flaring direction of the flaring pipe 22 is the direction away from the air supply pipe 21, one end of the flaring pipe 22 away from the air supply pipe 21 is matched with the section of the heating box 2 along the vertical direction, and the flaring pipe 22 is fixedly connected with the inner side wall of the heating box 2. The end of the flaring pipe 22 far away from the air supply pipe 21 is fixedly connected with a ventilation net 23, and the ventilation net 23 is used for bearing a coke block.
The heating assembly 3 comprises a heating part 31 and a driving part 32, the heating part 31 comprises a plurality of first heating wires 311 and a plurality of second heating wires 312, the first heating wires 311 are arranged in the heating box 2, the plurality of first heating wires 311 are distributed along the blowing direction of the carbon dioxide gas, the first heating wires 311 are rectangular and annular and are matched with the section of the heating box 2 along the vertical direction, and the first heating wires 311 are horizontally arranged and are in sliding connection with the heating box 2; the second heating wire 312 is spirally wound on the air supply pipe 21 and is fixedly connected with the air supply pipe 21, and the second heating wire 312 is positioned between the bottom end of the heating box 2 and the bottom end of the furnace body 1.
The drive portion 32 is provided with four, and with four lateral walls one-to-one of heating cabinet 2, drive portion 32 includes drive pipe 321, drive plate 322 and drive piece 323, and drive pipe 321 is located between flaring pipe 22 and the heating cabinet 2 bottom, and the level sets up, and drive pipe 321 is rectangular tubular, and one end and the extension intercommunication of air supply pipe 21, and the other end of drive pipe 321 is towards the lateral wall of heating cabinet 2.
The four side walls of the heating box 2 are provided with driving grooves 24 corresponding to the driving parts 32, the driving grooves 24 are rectangular, the length direction of the driving grooves is the same as that of the heating box 2, and the driving grooves 24 and one end, far away from the air supply pipe 21, of the driving pipe 321 are arranged in a right-facing mode.
The driving plate 322 is rectangular and is adapted to the driving slot 24, and the driving plate 322 is slidably disposed in the driving slot 24, and the sliding direction is a direction approaching or separating from the driving tube 321. A plurality of springs 3221 are fixedly connected between the driving plate 322 and the bottom of the driving groove 24, the springs 3221 are arranged along the length direction of the driving groove 24 and are horizontally arranged, and the springs 3221 are used for driving the driving plate 322 to slide towards the direction close to the driving pipe 321.
The driving blocks 323 are provided with a plurality of rectangular blocks, the driving blocks 323 are in one-to-one correspondence with the first heating wires 311, the driving blocks 323 are vertically arranged, one side of each driving block 323 is fixedly connected to one side of the driving plate 322 close to the first heating wires 311, the other side of each driving block 323 is obliquely arranged along the direction close to the bottom of the heating box 2 and towards the direction away from the driving plate 322, and the first heating wires 311 are abutted to the top of the inclined surface of the driving block 323.
Referring to fig. 2 and 3, the first heating wire 311 is fixedly connected with four sliding blocks 3111 along the circumferential direction, the four sliding blocks 3111 on the first heating wire 311 are in one-to-one correspondence with the four driving blocks 323 of which the four driving portions 32 are located on the same plane, the sliding blocks 3111 are spherical, a sliding groove 3231 is formed in the inclined surface of the driving block 323 along the inclined direction, the side wall of the sliding groove 3231 is arc-shaped and is matched with the sliding block 3111, and the sliding block 3111 is slidably arranged in the sliding groove 3231.
Referring to fig. 2 and 4, a baffle plate 3211 is disposed in the driving tube 321, the baffle plate 3211 is rectangular and is adapted to a section of the driving tube 321 in a length direction, a middle portion of the baffle plate 3211 is hinged to the driving tube 321 and is used for sealing the driving tube 321, and a hinge axis of the baffle plate 3211 is in a horizontal state and is perpendicular to the length direction of the driving tube 321.
Referring to fig. 4, the baffle plate 3211 is fixedly connected with a gear 324 coaxially through a hinge shaft, the gear 324 is positioned outside the driving pipe 321 and is meshed with a rack 325, the rack 325 is positioned below the gear 324, the length direction of the rack 325 is the same as the length direction of the driving pipe 321, and one end of the rack 325 close to the driving plate 322 is fixedly connected with the bottom of the driving plate 322.
When the driving plate 322 slides away from the driving tube 321, the shutter 3211 closes the driving tube 321; when the driving plate 322 slides close to the driving tube 321, the shutter 3211 turns on the driving tube 321.
When the carbon dioxide gas is used, carbon dioxide gas is introduced into the flaring pipe 22 from the gas supply pipe 21, the second heating wire 312 is electrified, the second heating wire 312 transmits heat into the gas supply pipe 21, and the carbon dioxide gas is heated, the heated carbon dioxide gas is blown into the heating box 2 from the flaring pipe 22 through the ventilation net 23, and blows the coke block to turn and float, the carbon dioxide gas in the gas supply pipe 21 also flows into the driving pipe 321 and blows onto the driving plate 322 from the driving pipe 321, the carbon dioxide gas pushes the driving plate 322 to slide away from the driving pipe 321, the driving plate 322 drives the rack 325 to slide, and the spring 3221 accumulates elasticity, the rack 325 drives the gear 324 to rotate, the gear 324 drives the baffle 3211 to rotate, the spring 3221 drives the rack 325 to reversely slide through the elasticity, the gear 324 drives the baffle 3211 to reversely rotate, the baffle 3211 is released from the closure of the driving pipe 321, and the carbon dioxide gas again pushes the driving plate 322 to slide away from the driving pipe 321, so that the driving plate 322 can realize reciprocating circulation by means of the carbon dioxide gas flowing in.
The driving plate 322 drives the driving block 323 to circularly reciprocate so that the first heating wires 311 are electrified, the first heating wires 311 transfer heat into the heating box 2, when the driving block 323 slides away from the first heating wires 311, the first heating wires 311 slide downwards through the sliding block 3111 and the sliding groove 3231 under the action of gravity, when the driving block 323 slides close to the first heating wires 311, the first heating wires 311 slide upwards through the sliding block 3111 and the sliding groove 3231 under the pushing action of the inclined surface of the driving block 323, so that a plurality of the first heating wires 311 are convenient to slide upwards or downwards in the heating box 2 synchronously, the first heating wires 311 can circularly transfer heat in the sliding stroke range, and the circular sliding of the first heating wires 311 is matched with the rolling and floating of the coke block, so that the first heating wires 311 are convenient to uniformly heat the coke block.
When the air pressure in the heating box 2 reaches the set value of the pressure relief valve 25, the pressure relief valve 25 relieves the air in the heating box 2 into the furnace body 1, and the air in the furnace body 1 provides a heat preservation effect for the heating box 2, so that the heat in the heating box 2 is not easy to dissipate.
Referring to fig. 2, the cover plate assembly 4 is disposed at the top end opening of the heating box 2, the cover plate assembly 4 includes a cover plate 41, a telescopic rod 42, a third heating wire 43, an air pressure sensor 44 and a controller 45, the cover plate 41 is rectangular plate-shaped, the cover plate 41 is provided with two and all horizontally disposed, the two cover plates 41 are located in the same plane, the two cover plates 41 are located at the opening of the heating box 2, one side of the two cover plates 41 in the length direction is abutted, one side of the two cover plates 41 away from each other is hinged with the top end of the heating box 2, the whole formed by the two cover plates 41 is matched with the top end of the heating box 2, and the two cover plates 41 are used for sealing the heating box 2.
The telescopic rods 42 are arranged in two and are in one-to-one correspondence with the cover plates 41, the telescopic rods 42 are hinged with the top end of the inside of the furnace body 1, the movable ends are hinged with one side of the corresponding cover plate 41 away from the hinge position of the telescopic rods, and the space between one end of the telescopic rods 42 away from the movable ends and the movable ends is in a sealed state and filled with air.
The third heating wires 43 are arranged in two and are in one-to-one correspondence with the telescopic rods 42, and the third heating wires 43 are spirally wound on the outer side wall of the telescopic rods 42 and are fixedly connected with the telescopic rods 42. The air pressure sensor 44 is fixedly connected to the inner side wall of the furnace body 1 and is used for measuring air pressure signals of the space between the furnace body 1 and the heating box 2.
The controller 45 is fixedly connected to the outer sidewall of the heating box 2, and is electrically connected to the third heating wire 43 and the air pressure sensor 44, respectively, and the controller 45 is responsive to an air pressure signal output by the air pressure sensor 44 and is used for controlling the third heating wire 43 to be powered off.
When the coke oven is used, after a coke block is put into the oven body 1, the third heating wire 43 is electrified, the third heating wire 43 transfers heat into the telescopic rod 42, air in the telescopic rod 42 expands, the expanded air pushes the telescopic rod 42 to extend out, and the telescopic rod 42 enables the cover plate 41 to cover the top end of the heating box 2; the air pressure sensor 44 measures the air pressure in the furnace body 1, and outputs a measured air pressure signal to the controller 45, when the air pressure in the furnace body 1 reaches a set value, the controller 45 controls the third electric heating wire 43 to be powered off, and the air in the furnace body 1 keeps the telescopic rod 42 warm, so that the covering state of the cover plate 41 is easy to be continuous, and the energy consumption of the third electric heating wire 43 is easy to be saved.
The implementation principle of the electric heating furnace for testing the reactivity of coke provided by the embodiment of the application is as follows: when the coke oven is used, a plurality of coke blocks are placed into the heating oven 2, the third heating wire 43 is electrified, heat is transferred into the telescopic rod 42 by the third heating wire 43, the telescopic rod 42 is heated and stretches out, the cover plate 41 is covered on the top end of the heating oven 2, carbon dioxide gas is introduced into the heating oven 2 from the gas supply pipe 21 through the flaring pipe 22, the carbon dioxide gas in the gas supply pipe 21 flows to the driving plate 322 through the driving pipe 321, the carbon dioxide gas in the flaring pipe 22 blows the coke blocks to turn and float, the carbon dioxide gas in the driving pipe 321 pushes the driving plate 322 to slide, the driving plate 322 is driven to circularly slide under the action of the spring 3221, the rack 325, the gear 324 and the baffle plate 3211, and the driving block 323 is driven to circularly move, the driving block 323 and the gravity of the first heating wire 311 are matched to drive the first heating wire 311 to circularly slide, so that the first heating wire 311 can transfer heat in the sliding range, and the first heating wire 311 is convenient for uniformly heating the coke blocks.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. An electric heating furnace for testing coke reactivity is characterized in that: including inside hollow furnace body (1), fixed set up in heating cabinet (2) and setting in heating cabinet (2) heating assembly (3), the bottom intercommunication of heating cabinet (2) has air supply pipe (21), air supply pipe (21) be used for to blow in carbon dioxide gas in heating cabinet (2), heating assembly (3) include heating portion (31) and drive division (32), heating portion (31) are including being located inside first heating wire (311) of heating cabinet (2), first heating wire (311) are provided with a plurality of, and arrange along the blowing direction of carbon dioxide gas, first heating wire (311) with heating cabinet (2) are followed the blowing direction sliding connection of carbon dioxide gas, drive division (32) set up inside heating cabinet (2), and with a plurality of first heating wire (311) are all connected, drive division (32) are used for driving first heating wire (311) reciprocal slip.
2. An electric heating furnace for testing coke reactivity according to claim 1, wherein: and a second heating wire (312) is fixedly arranged at one end, close to the heating box (2), of the air supply pipe (21), and the second heating wire (312) is spirally wound on the air supply pipe (21).
3. An electric heating furnace for testing coke reactivity according to claim 1, wherein: the utility model discloses a heating cabinet, including heating cabinet (2), air supply pipe (21) with the one end of heating cabinet (2) intercommunication extends to in heating cabinet (2), the extension intercommunication of air supply pipe (21) has flaring pipe (22), the flaring direction of flaring pipe (22) is for keeping away from the direction of air supply pipe (21), the one end that flaring pipe (22) kept away from air supply pipe (21) fixedly connected with ventilates net (23).
4. An electric heating furnace for testing coke reactivity according to claim 3, wherein: the driving part (32) comprises a driving pipe (321), a driving plate (322) and a driving block (323), one end of the driving pipe (321) is communicated with the extending part of the air supply pipe (21) in the heating box (2), a driving groove (24) is formed in the position, opposite to the end, of the driving pipe (321) away from the air supply pipe (21), of the driving pipe (321), the driving plate (322) is slidably arranged in the driving groove (24) along the direction approaching or separating from the driving pipe (321), the driving block (323) is provided with a plurality of driving springs, and is in one-to-one correspondence with the first heating wires (311), one side of the driving block (323) is fixedly connected with the driving plate (322), the other side of the driving block (323) is obliquely arranged along the direction approaching to the bottom of the heating box (2) and is obliquely arranged along the direction separating from the driving plate (322), the first heating wires (311) are abutted to the inclined surface of the driving block (323), the driving plate (322) is fixedly connected with the bottom of the driving groove (24) along the direction approaching to the driving plate (321), and when the driving plate (322) is used for driving the driving plate (322) to slide towards the driving plate (321), when the driving plate (322) slides close to the driving tube (321), the driving plate (322) enables the driving tube (321) to be conducted.
5. An electric heating furnace for testing coke reactivity according to claim 4, wherein: be provided with in the drive tube (321) and be used for sealing baffle (3211) of drive tube (321), baffle (3211) with drive tube (321) are articulated, baffle (3211) is through coaxial fixedly connected with gear (324) of articulated shaft, gear (324) are located the outside of drive tube (321), and the meshing has rack (325), one end fixed connection of rack (325) in drive plate (322).
6. An electric heating furnace for testing coke reactivity according to claim 4, wherein: the utility model discloses a solar energy power generation device, including drive portion (311), drive portion (32), slider (3111), slider (3231) and slider (3111), first heating wire (311) are cyclic annular, drive portion (32) are followed circumference of first heating wire (311) is provided with a plurality of, fixedly connected with on first heating wire (311) a plurality of with slider (3111) of drive portion (32) one-to-one, set up on the inclined plane of drive piece (323) along the incline direction with spout (3231) of slider (3111) looks adaptation, slider (3111) slip set up in spout (3231).
7. The electric heating furnace for testing coke reactivity according to claim 6, wherein: the sliding block (3111) is spherical, and the side wall of the sliding groove (3231) is arc-shaped and matched with the sliding block (3111).
8. An electric heating furnace for testing coke reactivity according to claim 1, wherein: the top of the side wall of the heating box (2) is provided with a pressure relief valve (25).
9. The electric heating furnace for testing coke reactivity according to claim 8, wherein: the top of heating cabinet (2) is the opening form, and is provided with apron subassembly (4), apron subassembly (4) include apron (41), telescopic link (42) and third heating wire (43), apron (41) telescopic link (42) with third heating wire (43) all are provided with two, and respectively one-to-one, one side of apron (41) articulate in the top of heating cabinet (2), the opposite side articulate in the expansion end of telescopic link (42), two the whole that apron (41) formed with the top looks adaptation of heating cabinet (2), telescopic link (42) articulate in the inside wall of furnace body (1), third heating wire (43) are fixed around locating telescopic link (42), be in sealed state between the one end that the expansion end was kept away from to telescopic link (42) and the expansion end, and be equipped with the air.
10. The electric heating furnace for testing coke reactivity according to claim 9, wherein: the cover plate assembly (4) further comprises an air pressure sensor (44) and a controller (45), the air pressure sensor (44) is fixedly connected to the inner side wall of the furnace body (1), the controller (45) is fixedly connected to the outer side wall of the furnace body (1), the controller (45) is respectively electrically connected with the air pressure sensor (44) and the third heating wire (43), the air pressure sensor (44) is used for outputting air pressure signals of a space between the furnace body (1) and the heating box (2), and the controller (45) is used for responding to the air pressure signals output by the air pressure sensor (44) and controlling the third heating wire (43) to be powered off.
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