CN211084809U

CN211084809U - Safe, environment-friendly, efficient and energy-saving gas smelting furnace

Info

Publication number: CN211084809U
Application number: CN201921930613.XU
Authority: CN
Inventors: 姚文良
Original assignee: Kunshan Jiuzhi Metal Co ltd
Current assignee: Kunshan Jiuzhi Metal Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-07-24
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a safe environmental protection energy-efficient gas smelting furnace, including two furnace bodies, two in the furnace body standing groove that the furnace body symmetry set up under the horizon, the furnace body is equipped with graphite crucible, high temperature resistant blanket, high-alumina brick, first aluminum silicate blanket, first aluminum silicate plate, second aluminum silicate blanket, second aluminum silicate plate, asbestos board, steel sheet, fire-resistant seat, combustor, leakage mouth, smelting furnace support frame, furnace body place iron ship, blowpit, tempering circle and furnace body panel respectively, and the horizon both sides are equipped with the earth connection. The utility model has the advantages that: the natural gas pipeline is used as energy, the combustor is provided with an automatic explosion-proof and leakage-proof device, water cooling is not needed, a natural gas leakage alarm device is arranged, an iron ship placed in a bottom pit is manufactured, a placing place is isolated from underground water, the iron ship is two to three centimeters higher than the ground, liquid is prevented from entering the smelting furnace from the ground, I-steel is additionally arranged at the bottom of the smelting furnace, a leakage protector is arranged at the bottom of the smelting furnace, and a safer grounding device is arranged.

Description

Safe, environment-friendly, efficient and energy-saving gas smelting furnace

Technical Field

The utility model relates to a smelt casting technical field, specifically be a safe environmental protection energy-efficient gas smelting stove.

Background

The existing smelting and casting technology basically adopts the following smelting furnaces for smelting: 1. the method comprises the following steps of (1) a coke pit furnace (a furnace for casting small-sized enterprises of an earth furnace), 2. a coal pit furnace (a furnace for casting small-sized enterprises of an earth furnace), 3. a coke reverberatory furnace (a furnace for refining aluminum ingots), 4. a resistance furnace (a furnace for casting small-sized enterprises), 5. an electronic intermediate frequency furnace (a furnace for casting small-sized enterprises), 6. a particle-sandwiched waste industrial furnace (a furnace for casting small-sized enterprises), 7. an oil-fired industrial furnace (a furnace for casting medium-sized enterprises), and 8. a coal gas producer (a furnace for producing and smelting large-sized enterprises);

coal and coke are used as raw materials for energy extraction in 1, 2, 3 and 6 modes, and combustion of the coal and the coke can generate a large amount of gases such as carbon dioxide, carbon monoxide and the like to pollute the atmosphere, and simultaneously waste materials such as coal cinder, coke cinder and the like can be generated after combustion. The furnaces are all blown by small blowers, the hearth is built by the simplest refractory bricks and refractory mortar, the hearth can crack after long-time use, the energy of the smelting furnace is wasted, the environment is affected, and the management of a smelting area is disordered;

4 and 5 modes adopt electric energy as energy, smelting process is carried out through different modes, the advantages are clean and environment-friendly, the defects are that electric leakage accidents are easy to generate, the intermediate frequency furnace is provided with a water cooling pipeline, a certain water pressure circulating device is arranged in the pipeline, when water in the pipeline with damaged pipeline directly enters the smelting furnace, contacts liquid metal, explosion is easy to occur, and safety accidents are easy to cause,

during the ignition and combustion process of the fuel industrial furnace, a large amount of black smoke is generated, and the fuel industrial furnace is accompanied by strong pungent smell and has potential safety hazard;

the gas producer uses coal or coke as energy source, and utilizes the heating process to make compression to extract gas, and uses the gas storage tank to store a certain concentration, and utilizes the air-blower to feed the gas into combustion furnace. The advantages of this furnace are high productivity and low cost, and each smelting is more than hundred tons. The disadvantage is that the equipment has more assembling devices, such as: the device comprises a gas generator, a gas centralized collector, a gas pipeline, an air supply device, a water cooling device and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safe environmental protection energy-efficient gas smelting furnace to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a safe, environment-friendly, efficient and energy-saving gas smelting furnace comprises two furnace bodies, wherein the two furnace bodies are symmetrically arranged in a furnace body placing groove formed below a ground plane, a graphite crucible is arranged in an inner cavity of the furnace body, a high-temperature-resistant blanket, high-alumina bricks, a first aluminum silicate blanket, a first aluminum silicate plate, a second aluminum silicate blanket, a second aluminum silicate plate, an asbestos plate and a steel plate are sequentially arranged outside the graphite crucible, a fire-resistant seat is arranged at the lower end of the graphite crucible, a burner is arranged at one side of the furnace body, a leakage hole is formed in the other side, away from the burner, of the furnace body, a smelting furnace supporting frame is further arranged at the lower end of the furnace body, a furnace body placing iron boat is arranged in the furnace body placing groove, discharge grooves are further formed in the lower ends, provided with the leakage holes, grounding wires are respectively arranged at one sides, and a furnace body panel is arranged on one side of the tempering ring.

Preferably, the thicknesses of the first aluminum silicate blanket and the second aluminum silicate blanket are 25mm and 20mm, respectively.

Preferably, the thickness of each of the first aluminum silicate plate and the second aluminum silicate plate is 50 mm.

Preferably, the iron boat is placed to the furnace body that sets up in the furnace body standing groove and passes through welded connection, and thickness is 6mm decorative pattern steel sheet.

Preferably, the combustor is provided with a gas leakage alarm, the combustor is further connected with a gas control cabinet, and an electric stop valve is further arranged in the gas control cabinet.

Preferably, the grounding wire is a ferrous grounding wire with the diameter of 22mm penetrating into the ground level 3m below.

Preferably, the iron ship placed on the furnace body close to one side of the ground level is 2cm-3cm higher than the ground level.

Preferably, the discharge chute is connected with the furnace body placing iron ship through welding.

Advantageous effects

The utility model discloses a safe environmental protection energy-efficient gas smelting furnace, adopt the pipeline natural gas as the energy, the combustor adopts the full-automatic explosion-proof device of preventing leaking of italian import, and need not the water-cooling, be equipped with natural gas leakage alarm device and with the networking of gas company control room, the iron ship that thickness was formed for 6mm decorative pattern steel sheet full weld in putting into the pit has been made, place ground and groundwater completely cut off, the iron ship is higher than ground two to three centimeters simultaneously, prevent that ground has liquid to get into in the smelting furnace, when the smelting furnace is placed in the iron box, can increase the I-steel bottom the smelting furnace, prevent that the iron box from having the drop of water to appear the contact smelting furnace, and be equipped with earth-leakage protector, and safer earthing device, the smelting furnace that mentions among the relative prior art is safer, and be more be applicable to the use.

Drawings

Fig. 1 is a schematic plan view of the present invention;

fig. 2 is a schematic view of the furnace structure of the present invention.

Reference numerals

1-ground level, 2-grounding wire, 3-burner, 4-graphite crucible, 5-smelting furnace support, 6-fire-resistant seat, 7-leakage opening, 8-discharge chute, 9-tempering ring, 10-high temperature-resistant blanket, 11-high-alumina brick, 12-first aluminum silicate blanket, 13-first aluminum silicate plate, 14-second aluminum silicate blanket, 15-furnace body panel, 16-steel plate, 17-asbestos plate, 18-second aluminum silicate plate, 19-furnace body and 20-furnace body placing iron boat.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Examples

As shown in figure 1-2, a safe, environment-friendly, high-efficiency and energy-saving gas smelting furnace comprises two furnace bodies 19, wherein the two furnace bodies 19 are symmetrically arranged in a furnace body placing groove arranged below a ground plane 1, a graphite crucible 4 is arranged in an inner cavity of the furnace body 19, a high-temperature-resistant blanket 10, a high-alumina brick 11, a first aluminum silicate blanket 12, a first aluminum silicate sheet 13, a second aluminum silicate blanket 14, a second aluminum silicate sheet 18, an asbestos sheet 17 and a steel sheet 16 are sequentially arranged outside the graphite crucible 4, a fire-resistant seat 6 is arranged at the lower end of the graphite crucible 4, a burner 3 is arranged at one side of the furnace body 19, a leakage opening 7 is arranged at the other side of the furnace body 19 away from the burner 3, a smelting furnace supporting frame 5 is further arranged at the lower end of the furnace body 19, a furnace body placing iron boat 20 is arranged in the furnace body placing groove, a discharging groove 8 is, the outer edge of the upper end of the furnace body 19 is provided with a tempering ring 9, and one side of the tempering ring 9 is provided with a furnace body panel 15.

Preferably, the first and second

aluminum silicate blankets

12, 14 are 25mm and 20mm thick, respectively.

Preferably, the first aluminum silicate plate 13 and the second aluminum silicate plate 18 are both 50mm thick.

Preferably, the iron boat 20 is placed to the furnace body that sets up in the furnace body standing groove and passes through welded connection, and thickness is 6mm decorative pattern steel sheet.

Preferably, the combustor 3 is provided with a gas leakage alarm, the combustor 3 is further connected with a gas control cabinet, and an electric stop valve is further arranged in the gas control cabinet.

Preferably, the earth wire 2 is a ferrous earth wire with a diameter of 22mm 3m deep below the ground level 1.

Preferably, the iron boat 20 is arranged on the furnace body close to one side of the ground level 1 and is 12cm-3cm higher than the ground level.

Preferably, the discharge chute 8 is connected with the furnace body placing iron boat 20 by welding.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the content of the present invention within the protection scope of the present invention.

Claims

1. The utility model provides a safe environmental protection energy-efficient gas smelting stove, includes two furnace bodies (19), its characterized in that: two furnace bodies (19) are symmetrically arranged in a furnace body placing groove which is arranged under a ground plane (1), a graphite crucible (4) is arranged in an inner cavity of the furnace body (19), a high-temperature-resistant blanket (10), high-alumina bricks (11), a first aluminum silicate blanket (12), a first aluminum silicate plate (13), a second aluminum silicate blanket (14), a second aluminum silicate plate (18), an asbestos plate (17) and a steel plate (16) are sequentially arranged on the outer side of the graphite crucible (4), a fire-resistant seat (6) is arranged at the lower end of the graphite crucible (4), a burner (3) is arranged on one side of the furnace body (19), a leakage opening (7) is arranged on the other side of the furnace body (19) far away from the burner (3), a smelting furnace supporting frame (5) is further arranged at the lower end of the furnace body (19), an iron boat (20) is arranged in the furnace body placing groove, a discharge groove (8) is further arranged at the lower end of the two, two one side that furnace body (19) kept away from combustor (3) is equipped with earth connection (2) respectively, furnace body (19) upper end outer edge is equipped with fire-returning circle (9), fire-returning circle (9) one side is equipped with furnace body panel (15).

2. The safe, environment-friendly, efficient and energy-saving gas smelting furnace according to claim 1, characterized in that: the thicknesses of the first aluminum silicate blanket (12) and the second aluminum silicate blanket (14) are respectively 25mm and 20 mm.

3. The safe, environment-friendly, efficient and energy-saving gas smelting furnace according to claim 1, characterized in that: the thicknesses of the first aluminum silicate plate (13) and the second aluminum silicate plate (18) are both 50 mm.

4. The safe, environment-friendly, efficient and energy-saving gas smelting furnace according to claim 1, characterized in that: the iron boat (20) is placed to the furnace body that sets up in the furnace body standing groove and passes through welded connection, and thickness is 6mm decorative pattern steel sheet.

5. The safe, environment-friendly, efficient and energy-saving gas smelting furnace according to claim 1, characterized in that: the gas leakage alarm is arranged on the combustor (3), the combustor (3) is further connected with a gas control cabinet, and an electric stop valve is further arranged in the gas control cabinet.

6. The safe, environment-friendly, efficient and energy-saving gas smelting furnace according to claim 1, characterized in that: the grounding wire (2) is an iron grounding wire which is 3m deep below the ground plane (1) and has a diameter of 22 mm.

7. The safe, environment-friendly, efficient and energy-saving gas smelting furnace according to claim 1, characterized in that: the iron ship (20) is arranged on the furnace body close to one side of the ground plane (1) and is 2cm-3cm higher than the ground plane (1).

8. The safe, environment-friendly, efficient and energy-saving gas smelting furnace according to claim 1, characterized in that: the discharge chute (8) is connected with the furnace body placing iron ship (20) through welding.