CN215373519U

CN215373519U - Cooling device for furnace bottom of ferrovanadium electric furnace

Info

Publication number: CN215373519U
Application number: CN202121584390.3U
Authority: CN
Inventors: 孙忠东; 刘宇峰; 刘乃富
Original assignee: Liaoning Treasure Platinum Technology Co ltd
Current assignee: Liaoning Treasure Platinum Technology Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-12-31
Anticipated expiration: 2031-07-13

Abstract

The utility model relates to the technical field of cooling for the furnace bottom of a ferrovanadium furnace, and discloses a cooling device for the furnace bottom of the ferrovanadium furnace, which comprises a furnace body, wherein the bottom of the furnace body is fixedly connected with high-alumina bricks, and the cooling device is characterized in that: the last fixed surface of high-alumina brick is connected with the water tank, the inside of water tank is provided with the spiral pipe, the last fixed surface of high-alumina brick is connected with high heat conduction graphite piece, the surface interlude of water tank is provided with two connecting pipes, the one end fixedly connected with compressor of right side connecting pipe in two connecting pipes, the surface of compressor is provided with the condenser, can keep the spiral pipe in refrigerated within range, because the surface of spiral pipe and the inside water contact of water tank, so can carry out a cooling to water of spiral pipe, can be better reach the cooling effect to the stove bottom, be provided with the expansion valve between compressor and the condenser, the external fixed surface of water tank is connected with the water pipe, the external fixed surface of water pipe is connected with circulating water pump.

Description

Cooling device for furnace bottom of ferrovanadium electric furnace

Technical Field

The utility model relates to the technical field of cooling for a ferrovanadium furnace bottom, in particular to a cooling device for the ferrovanadium furnace bottom.

Background

In the ferrovanadium smelting production process, the temperature in the furnace is up to 1455 ℃, in order to ensure the safe and smooth operation of the furnace, a cooling treatment measure is taken on the bottom of the furnace, generally, an air cooling device is arranged at the lower part of the bottom of the ferrovanadium electric furnace, blast air is carried out on a steel plate at the bottom of the furnace, the blast air is carried out outside the furnace, the cooling speed of a lining at the bottom of the furnace is slow, and partial air cooling can not be fully utilized, so the temperature at the bottom of the furnace is high. Because of the large specific gravity of the ferrovanadium, the molten iron is easy to permeate into brick joints, so that the carbon bricks at the bottom of the furnace float; in addition, the blast pressure is large, and hot air easily enters the furnace bottom brick lining from the positions at the welding position of the air cooling pipe and honeycomb-shaped micro-pores generated by aging of the pipe to cause the damage of the furnace bottom material; because the deformation of the furnace bottom steel plate caused by high furnace bottom temperature leads to the displacement of furnace bottom refractory materials, the structure of the furnace bottom is damaged, and the service life of the furnace is short.

However, the existing cooling device for the bottom of the electric furnace cannot timely cool the bottom of the electric furnace when the bottom of the electric furnace is cooled, and cannot well maintain the cooling temperature.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the cooling device for the furnace bottom of the ferrovanadium electric furnace, which has the advantages of timely and thorough cooling, stable temperature maintenance and the like, and solves the problems of untimely cooling and unstable temperature.

(II) technical scheme

In order to realize the purposes of timely and thorough cooling and stable temperature maintenance, the utility model provides the following technical scheme: the utility model provides a ferrovanadium electric stove is cooling device for stove bottom, includes the furnace body, the bottom fixedly connected with high-alumina brick of furnace body, its characterized in that: the last fixed surface of high-alumina brick is connected with the water tank, the inside of water tank is provided with the spiral pipe, the last fixed surface of high-alumina brick is connected with high heat conduction graphite piece, the surface interlude of water tank is provided with two connecting pipes, two the one end of connecting pipe all with spiral pipe fixed connection, two the one end fixedly connected with compressor of right side connecting pipe in the connecting pipe, the surface of compressor is provided with the condenser, the surface and the left side connecting pipe fixed connection of condenser, be provided with the expansion valve between compressor and the condenser, the outer fixed surface of water tank is connected with the water pipe, the outer fixed surface of water pipe is connected with circulating water pump.

Preferably, the thickness of water tank is twelve centimetres to fifteen centimetres, the surface of water tank is paintd and is scribbled heat conduction mud, can strengthen the heat transfer nature of device, improves the heat conductivity of water tank, guarantees that the water tank can carry out effectual cooling to the stove bottom.

Preferably, the connector between the two connecting pipes and the water tank is fixedly connected with a sealing ring, and waterproof gel is coated on the outer surface of the connector between the water tank and the connecting pipes, so that water in the water tank is prevented from permeating out, and influences on other elements in the device are prevented.

Preferably, the spiral pipe is coiled on the top wall of the water tank, the spiral pipe is arranged in an inner-outer double-layer spiral mode, the diameter of the spiral pipe is five centimeters to seven centimeters, anti-corrosion paint is coated on the outer surface of the spiral pipe, the contact area of the spiral pipe and the high-temperature heat-conducting graphite block is increased, and the cooling effect of the device is enhanced.

Preferably, the compressor and the condenser outward appearance are provided with protective housing, protective housing's surface is provided with cooling fan, prevents that compressor and condenser from being damaged by external factors, can dispel the heat to compressor and condenser simultaneously.

Preferably, the water pipe is U-shaped, and the two ends of the water pipe are fixedly connected with the outer surface of the water tank, so that the water circulation in the water tank is ensured, and the circulating water pump achieves the actual working effect.

(III) advantageous effects

Compared with the prior art, the utility model provides a cooling device for the furnace bottom of a ferrovanadium electric furnace, which has the following beneficial effects:

(1) this cooling device for vanadium iron electric stove bottom, cross and set up the compressor, condenser and spiral pipe, compress inside refrigerant through the compressor, become liquid with the refrigerant from gaseous, gaseous refrigerant pressure becomes the meeting release heat behind the liquid under the high pressure, then the refrigerant passes through the expansion valve and releases the condenser, at this moment inside flowing refrigerant is low pressure liquid, the refrigerant becomes gaseous heat absorption by liquid simultaneously, at this moment the temperature of spiral pipe has just fallen, then gaseous refrigerant compresses through the compressor, from this circulation in proper order, can keep the spiral pipe at refrigerated within range, because the surface of spiral pipe contacts with the inside water of water tank, so can carry out a cooling to water of spiral pipe, can be better reach the cooling effect to the stove bottom.

(2) This cooling device for ferrovanadium electric stove bottom through setting up water pipe and circulating water pump, carries out a transmission to water through circulating water pump, can carry out a endless effect to the water in the water tank, can carry out a simple cooling to water, guarantees simultaneously that the water in the water tank can carry out an inside and outside circulation in turn, prevents the rising of the temperature unilateral of water in the water tank, guarantees the good cooling effect of device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the xxx structure of the present invention.

In the figure: 1. a furnace body; 2. high-alumina bricks; 3. a water tank; 4. a spiral tube; 5. a high thermal conductivity graphite block; 6. a connecting pipe; 7. a compressor; 8. a condenser; 9. an expansion valve; 10. a water pipe; 11. and (4) a water circulating pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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 invention.

Referring to fig. 1-3, a cooling device for a bottom of a ferrovanadium electric furnace comprises a furnace body 1, wherein a high-alumina brick 2 is fixedly connected to the bottom of the furnace body 1, and the cooling device is characterized in that: fixed surface is connected with water tank 3 on high-alumina brick 2, the inside of water tank 3 is provided with spiral pipe 4, high-alumina brick 2's last fixed surface is connected with high heat conduction graphite piece 5, the surface interlude of water tank 3 is provided with two connecting pipes 6, the one end of two connecting pipes 6 all with spiral pipe 4 fixed connection, the one end fixedly connected with compressor 7 of right side connecting pipe 6 in two connecting pipes 6, the surface of compressor 7 is provided with condenser 8, the surface and the 6 fixed connection of left side connecting pipe of condenser 8, be provided with expansion valve 9 between compressor 7 and the condenser 8, the fixed surface of water tank 3 is connected with water pipe 10, the fixed surface of water pipe 10 is connected with circulating water pump 11.

Further, the thickness of water tank 3 is twelve centimetres to fifteen centimetres, and the surface of water tank 3 has scribbled heat conduction mud, can strengthen the heat transfer nature of device, improves water tank 3's heat conductivity, guarantees that water tank 3 can carry out effectual cooling to the stove bottom.

Further, the kneck fixedly connected with sealing washer of two connecting pipes 6 and water tank 3, the surface of water tank 3 and the 6 junctions of connecting pipe has scribbled waterproof gel, prevents that the water in the water tank 3 from permeating out, causes the influence to other elements of device inside.

Further, spiral pipe 4 coils the roof at water tank 3, and spiral pipe 4 is inside and outside double-deck spiral setting, and spiral pipe 4's diameter is at five centimetres to seven centimetres, and anticorrosive paint has been paintd to spiral pipe 4's surface, improves spiral pipe 4 and high heat conduction graphite block 5's area of contact, reinforcing means's cooling effect.

Further, compressor 7 and condenser 8 outward appearance are provided with protective housing, and protective housing's surface is provided with cooling fan, prevents that compressor 7 and condenser 8 from being damaged by external factors, can dispel the heat to compressor 7 and condenser 8 simultaneously.

Further, the water pipe 10 is U-shaped, and two ends of the water pipe 10 are fixedly connected with the outer surface of the water tank 3, so that the circulation of water in the water tank 3 is ensured, and the circulating water pump 11 achieves an actual working effect.

In summary, in the cooling device for the furnace bottom of the ferrovanadium electric furnace, the compressor 7, the condenser 8 and the spiral pipe 4 are arranged, the refrigerant in the compressor 7 is compressed, the refrigerant is changed into liquid from gas, the refrigerant of the gas releases heat after being changed into liquid under high pressure, then the refrigerant is released to the condenser 8 through the expansion valve 9, the refrigerant flowing in the inner part is low-pressure liquid, the refrigerant is changed into gas from liquid to absorb heat, the temperature of the spiral pipe 4 is reduced, then the gas refrigerant is compressed through the compressor 7, the spiral pipe 4 can be kept in a cooling range through sequential circulation, the outer surface of the spiral pipe 4 is contacted with the water in the water tank 3, the water in the spiral pipe 4 can be cooled, the cooling effect on the furnace bottom can be better achieved, and the water pipe 10 and the circulating water pump 11 are arranged, carry out a transmission through circulating water pump 11 to water, can carry out a circulating effect to the water in the water tank 3, can carry out a simple cooling to water, guarantee simultaneously that the water in the water tank 3 can carry out an inside and outside circulation in turn, prevent the rising of the temperature unilateral in the water tank 3, guarantee the good cooling effect of device.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means matured in the prior art, the machines, the parts and the equipment adopt the conventional types in the prior art, the circuit connection adopts the conventional connection mode in the prior art, no specific description is provided here, meanwhile, the electric elements appearing in the specification are electrically connected with the external main controller and the mains supply, the peripheral controller mentioned in the specification can play a control role for the electric elements mentioned in the specification, and the peripheral controller is the conventional known equipment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a ferrovanadium electric stove is cooling device for stove bottom, includes furnace body (1), the bottom fixedly connected with high-alumina brick (2) of furnace body (1), its characterized in that: the upper surface of the high-alumina brick (2) is fixedly connected with a water tank (3), a spiral pipe (4) is arranged in the water tank (3), the upper surface of the high-alumina brick (2) is provided with a high-heat-conduction graphite block (5), the outer surface of the water tank (3) is provided with two connecting pipes (6) in an inserting way, one ends of the two connecting pipes (6) are fixedly connected with the spiral pipe (4), one end of the right connecting pipe (6) in the two connecting pipes (6) is fixedly connected with a compressor (7), a condenser (8) is arranged on the outer surface of the compressor (7), the outer surface of the condenser (8) is fixedly connected with the left connecting pipe (6), an expansion valve (9) is arranged between the compressor (7) and the condenser (8), the outer fixed surface of water tank (3) is connected with water pipe (10), the outer fixed surface of water pipe (10) is connected with circulating water pump (11).

2. The cooling device for the bottom of the ferrovanadium electric furnace according to claim 1, wherein: the thickness of the water tank (3) is twelve centimeters to fifteen centimeters, and heat conduction mud is coated on the outer surface of the water tank (3).

3. The cooling device for the bottom of the ferrovanadium electric furnace according to claim 1, wherein: and the joint of the two connecting pipes (6) and the water tank (3) is fixedly connected with a sealing ring, and waterproof gel is coated on the outer surface of the joint of the water tank (3) and the connecting pipes (6).

4. The cooling device for the bottom of the ferrovanadium electric furnace according to claim 1, wherein: the spiral pipe (4) is wound on the top wall of the water tank (3), the spiral pipe (4) is arranged in an inner-outer double-layer spiral mode, the diameter of the spiral pipe (4) ranges from five centimeters to seven centimeters, and anti-corrosion paint is coated on the outer surface of the spiral pipe (4).

5. The cooling device for the bottom of the ferrovanadium electric furnace according to claim 1, wherein: and protective shells are arranged on the outer surfaces of the compressor (7) and the condenser (8), and cooling fans are arranged on the outer surfaces of the protective shells.

6. The cooling device for the bottom of the ferrovanadium electric furnace according to claim 1, wherein: the water pipe (10) is U-shaped, and two ends of the water pipe (10) are fixedly connected with the outer surface of the water tank (3).