CN113624007A

CN113624007A - Waste heat utilization energy-saving smelting pot

Info

Publication number: CN113624007A
Application number: CN202110827770.3A
Authority: CN
Inventors: 王超
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-11-09

Abstract

The invention belongs to the field of energy conservation of smelting furnaces, and particularly relates to a waste heat utilization energy-saving smelting furnace which comprises a furnace body; the lower fixed surface of furnace body is connected with the base, the top of base is provided with the blow off pipe. This energy-saving smelting pot of waste heat utilization is through setting up the hydrologic cycle mechanism, when equipment uses, pour into the cooling water into through the water injection pipe to the inside of water tank, along with the rising of the inside temperature of equipment, the heat absorption mechanism pushes away the check valve, the inside of heat absorption mechanism is flowed into from ceramic thermal-insulated pipe to the cooling water, the inside of heat absorption mechanism flows to the insulating tube through heat absorption mechanism, another part cooling water flows to the top of telescopic link down along the back flow, the telescopic link extension, along with the rising of temperature, the inside hot water expansion density of telescopic link reduces, upwards flow, cold water flows downwards otherwise, utilize expend with heat and contract with cold principle, the motion of telescopic link is controlled to the remaining heat of leaking through the device, and then control supporting mechanism's work, it is directly outer arranging to have solved traditional smelting pot waste heat, cause the problem of wasting of resources and environmental pollution easily.

Description

Waste heat utilization energy-saving smelting pot

Technical Field

The invention belongs to the field of energy conservation of smelting furnaces, and particularly relates to a waste heat utilization energy-saving smelting furnace.

Background

In the field of traditional chemical metallurgy, in order to obtain raw materials meeting requirements, solid raw materials are often required to be put into a high-temperature smelting furnace for melting, the heat sources of the smelting furnace mainly comprise an oil injection type, a high-voltage current type and a coal type, and the coal type smelting furnace is widely adopted due to low cost.

Traditional coal formula smelting pot is at the inside coal of during operation the outward appearance of burning of stewing for a long time and can harden, and the oxygen suppliment of inside coal stops for the burning of coal is not abundant, and the coal of not fully burning not only can cause the waste of fuel, also can block up inside the equipment, and simultaneously, the coal burning can produce a large amount of heats and coal ash and leak, has also produced the pollution to the environment when increasing use cost.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the waste heat utilization energy-saving type smelting furnace, which solves the problems that when the traditional coal type smelting furnace is used, internal coal is not fully combusted, equipment is blocked internally, the environment is polluted externally and the use cost is increased.

(II) technical scheme

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention discloses a waste heat utilization energy-saving smelting furnace, which comprises a furnace body; the method is characterized in that: the lower fixed surface of furnace body is connected with the base, the top of base is provided with the blow off pipe, the top of blow off pipe and the fixed surface of furnace body are connected, the top of blow off pipe is provided with the feed plate, the surface of feed plate and the fixed surface of furnace body are connected, the last fixed surface of furnace body is connected with the pipe of discharging fume, the both sides fixedly connected with hydrologic cycle mechanism of the pipe of discharging fume, the bottom of hydrologic cycle mechanism is provided with the insulating tube, the surface of insulating tube and the fixed surface of furnace body are connected, the internal surface fixed connection of furnace body has heat absorption mechanism, the bottom of heat absorption mechanism is provided with supporting mechanism, supporting mechanism fixed mounting is at the internal surface of furnace body, the lower surface swing joint of furnace body has combustion mechanism.

The water circulation mechanism comprises a water injection pipe, the bottom fixedly connected with water tank of water injection pipe, the internal surface swing joint of water tank has the check valve, the outside of check valve is provided with the pottery thermal-insulated pipe, the bottom of pottery thermal-insulated pipe is linked together with the surface of furnace body, the top of pottery thermal-insulated pipe is connected with the lower fixed surface of water tank, the external fixed surface on water tank right side is connected with the back flow, the internal fixed surface of back flow is connected with the flow distribution plate, the bottom fixedly connected with telescopic link of back flow, the bottom of telescopic link is linked together with the bottom of back flow, the lower surface of telescopic link is connected with the internal fixed surface of furnace body.

The heat absorption mechanism comprises a sealing plate, the outer surface of the sealing plate is not in contact with the inner surface of the furnace body, a partition plate is fixedly connected to the upper surface of the sealing plate, a rectangular groove is formed in the wall of the partition plate, the rectangular groove is arranged in the wall of the partition plate in a vertically staggered mode, a cover plate is fixedly connected to the upper surface of the partition plate, a smoke exhaust groove is formed in the wall of the cover plate, the outer surface of the cover plate is fixedly connected with the inner surface of the furnace body, an air bag is fixedly connected to the upper surface of the cover plate, and the outer surface of the air bag is in contact with the lower surface of the one-way valve.

The supporting mechanism includes the backup pad, the surface of backup pad and the internal surface fixed connection of furnace body, it leads to the groove to open up in the wall of backup pad, the bottom that leads to the groove is provided with the picture peg, the upper surface of picture peg and the lower fixed surface of backup pad are connected, the lower surface of backup pad contacts with the top of telescopic link, the last fixed surface of backup pad is connected with the annular slab, the volume of annular slab progressively increases up step by step.

The combustion mechanism includes the horn pipe, the internal fixed surface of horn pipe is connected with the flame projecting post, the top of flame projecting post is provided with the stay tube, the outer fixed surface of stay tube is connected with the expansion plate, the upper surface of expansion plate and the lower fixed surface of furnace body are connected, the surface sliding connection of expansion plate has the sleeve, the telescopic upper surface is connected with the lower fixed surface of furnace body.

The invention has the following beneficial effects:

1. the invention has the advantages that by arranging the water circulation mechanism, when the device is used, cooling water is injected into the water tank through the water injection pipe, the heat absorption mechanism pushes the one-way valve open along with the rise of the temperature in the device, the cooling water flows into the heat absorption mechanism from the ceramic heat insulation pipe and flows into the heat preservation pipe through the heat absorption mechanism, the other part of the cooling water flows downwards to the top end of the telescopic rod along the return pipe, the telescopic rod extends, the expansion density of hot water in the telescopic rod is reduced along with the rise of the water temperature and flows upwards, the cold water flows downwards on the contrary, water flow circularly flows along the upper plate surface and the lower plate surface of the flow distribution plate in the return pipe, and the movement of the telescopic rod is controlled by the residual heat leaked from the device by utilizing the principle of thermal expansion and cold contraction, and then the work of control supporting mechanism has solved the direct outer row of traditional smelting pot waste heat, causes the problem of wasting of resources and environmental pollution easily.

2. The invention arranges the heat absorption mechanism, when heat is transferred from the combustion mechanism to the bottom of the heat absorption mechanism through the supporting mechanism, the hot air moves upwards from the gap between the sealing plate and the furnace body, because of the existence of the partition plate, the hot air must pass through the partition plate one by one, the moving path of the hot air is increased by the rectangular grooves arranged in a staggered way up and down, the heat conduction speed is improved by increasing the stroke, the time and the contact area, the heat in the cover plate is continuously increased, the water temperature on the upper surface is also continuously increased, the air in the air bag is heated and expanded, the one-way valve of the air bag is pushed open, the cold water in the water tank is injected into the upper surface of the cover plate downwards, the original hot water moves downwards to the heat preservation pipe and is finally discharged from the sewage discharge pipe, the hot air is blocked layer by the partition plate, the flow rate of the hot air is reduced, the dust in the air bag is also deposited on the upper surface of the sealing plate, and the smaller dust is combined with the water vapor on the upper surface of the cover plate and condensed, finally assemble the inside to the insulating tube, through many times of screening, reduced the probability that the dust leaked, solved traditional smelting pot when using, inside coal ash can leak the problem.

3. The invention arranges the supporting mechanism and the burning mechanism, before the device is used, the workpiece to be processed is put into the furnace body from the feeding plate, the sleeve is disassembled, the coal is put on the upper surface of the supporting tube from the gap between the telescopic plates, the telescopic plates are pushed upwards to reset, the sleeve is put back, the flame-throwing column is used for heating, the workpiece and the supporting plate are separated by the annular plate, the gas passing performance and the burning efficiency are increased, because the telescopic rod is arranged at the bottom of the supporting plate, the supporting plate reciprocates up and down along with the continuous heat exchange in the telescopic rod, the inserting plate repeatedly stirs and extrudes the coal on the outer surface of the inserting plate, the burning is more sufficient, the coal can release heat outwards during burning, the quality is reduced, the rigidity is reduced, the completely-burned coal is extruded and crushed under the action of the downward pressure of the inserting plate and the upward pressure of the telescopic plates, the waste is discharged from the horn tube, the problem that the burning efficiency of the coal in the traditional furnace is lower is solved, the incompletely combusted coal is easy to block the inside of the equipment.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the water circulation mechanism of the present invention;

FIG. 4 is a schematic view of the heat absorbing mechanism of the present invention;

FIG. 5 is a schematic structural view of the support mechanism of the present invention;

fig. 6 is a schematic structural view of the combustion mechanism of the present invention.

In the figure: furnace body 1, base 2, blow off pipe 3, feed plate 4, exhaust pipe 5, hydrologic cycle mechanism 6, insulating tube 7, heat absorption mechanism 8, supporting mechanism 9, combustion mechanism 10, water injection pipe 11, water tank 12, check valve 13, ceramic heat insulating tube 14, back flow 15, flow distribution plate 16, telescopic link 17, closing plate 20, baffle 21, rectangular channel 22, apron 23, exhaust gas groove 24, gasbag 25, backup pad 26, logical groove 27, picture peg 28, annular plate 29, horn tube 30, flame projecting pile 31, stay tube 32, expansion plate 33, sleeve 34.

Detailed Description

A waste heat utilization energy-saving furnace according to an embodiment of the present invention will be described below with reference to fig. 1 to 6.

As shown in fig. 1-6, the waste heat utilization energy-saving furnace according to the present invention comprises a furnace body 1; the method is characterized in that: the lower fixed surface of furnace body 1 is connected with base 2, the top of base 2 is provided with blow off pipe 3, the top of blow off pipe 3 is connected with the fixed surface of furnace body 1, the top of blow off pipe 3 is provided with feed plate 4, the surface of feed plate 4 is connected with the fixed surface of furnace body 1, the last fixed surface of furnace body 1 is connected with the pipe 5 of discharging fume, the both sides fixedly connected with hydrologic cycle mechanism 6 of the pipe 5 of discharging fume, the bottom of hydrologic cycle mechanism 6 is provided with insulating tube 7, the surface of insulating tube 7 is connected with the fixed surface of furnace body 1, the fixed surface of furnace body 1 is connected with heat absorption mechanism 8, the bottom of heat absorption mechanism 8 is provided with supporting mechanism 9, supporting mechanism 9 fixed mounting is at the internal surface of furnace body 1, the lower surface swing joint of furnace body 1 has combustion mechanism 10.

The water circulation mechanism 6 comprises a water injection pipe 11, a water tank 12 is fixedly connected to the bottom end of the water injection pipe 11, a check valve 13 is movably connected to the inner surface of the water tank 12, a ceramic heat insulation pipe 14 is arranged outside the check valve 13, the bottom end of the ceramic heat insulation pipe 14 is communicated with the outer surface of the furnace body 1, the top end of the ceramic heat insulation pipe 14 is fixedly connected with the lower surface of the water tank 12, a return pipe 15 is fixedly connected to the outer surface of the right side of the water tank 12, a splitter plate 16 is fixedly connected to the inner surface of the return pipe 15, a telescopic rod 17 is fixedly connected to the bottom end of the return pipe 15, the bottom end of the telescopic rod 17 is communicated with the bottom end of the return pipe 15, the lower surface of the telescopic rod 17 is fixedly connected with the inner surface of the furnace body 1, by arranging the water circulation mechanism 6, when the equipment is used, cooling water is injected into the water tank 12 through the water injection pipe 11, along with the rise of the temperature inside the equipment, the heat absorption mechanism 8 pushes the check valve 13 open, the inside of heat absorption mechanism 8 is flowed into from ceramic thermal insulation pipe 14 to the cooling water, through the inside that heat absorption mechanism 8 flows to insulating tube 7, another part cooling water flows down to the top of telescopic link 17 along back flow pipe 15, telescopic link 17 extension, along with the rising of temperature, the inside hot water expansion density of telescopic link 17 reduces, upwards flow, cold water flows down on the contrary, rivers flow along the upper and lower face circulation of the flow distribution plate 16 of back flow pipe 15 inside, utilize expend with heat and contract with cold principle, through the device residual heat that leaks the motion of telescopic link 17 of control, and then control supporting mechanism 9's work, it is directly outer arranging to have solved traditional smelting pot waste heat, cause the problem of wasting of resources and environmental pollution easily.

The heat absorbing mechanism 8 comprises a sealing plate 20, the outer surface of the sealing plate 20 is not contacted with the inner surface of the furnace body 1, the upper surface of the sealing plate 20 is fixedly connected with a partition plate 21, a rectangular groove 22 is arranged in the wall of the partition plate 21, the rectangular groove 22 is arranged in the wall of the partition plate 21 in a vertically staggered manner, the upper surface of the partition plate 21 is fixedly connected with a cover plate 23, a smoke exhaust groove 24 is arranged in the wall of the cover plate 23, the outer surface of the cover plate 23 is fixedly connected with the inner surface of the furnace body 1, the upper surface of the cover plate 23 is fixedly connected with an air bag 25, the outer surface of the air bag 25 is contacted with the lower surface of the one-way valve 13, by arranging the heat absorbing mechanism 8, when heat is transmitted from the combustion mechanism 10 upwards through the supporting mechanism 9 to the bottom of the heat absorbing mechanism 8, the hot air moves upwards from the gap between the sealing plate 20 and the furnace body 1, due to the existence of the partition plate 21, the hot air passes through the partition plate 21 one by one, the rectangular groove 22 arranged in a vertically staggered manner, so that the moving path of the hot air is increased, through increasing the stroke, time and area of contact improve the speed of heat conduction, the inside heat of apron 23 constantly increases, the temperature of its upper surface also constantly risees, gasbag 25 inside gas is heated the inflation, gasbag 25 is opened one-way valve 13, the inside cold water of water tank 12 pours into the upper surface of apron 23 downwards, original hot water downstream is to insulating tube 7, finally discharge from blow off pipe 3, block layer upon layer through baffle 21, the velocity of flow of steam reduces, its inside dust also deposits the upper surface at closing plate 20, less dust combines with the steam of apron 23 upper surface to condense, finally assemble the inside to insulating tube 7, through many times screening, the probability that the dust leaked has been reduced, traditional smelting pot when using has been solved, the problem that inside coal ash can leak.

The supporting mechanism 9 comprises a supporting plate 26, the outer surface of the supporting plate 26 is fixedly connected with the inner surface of the furnace body 1, a through groove 27 is formed in the wall of the supporting plate 26, an inserting plate 28 is arranged at the bottom of the through groove 27, the upper surface of the inserting plate 28 is fixedly connected with the lower surface of the supporting plate 26, the lower surface of the supporting plate 28 is in contact with the top end of the telescopic rod 17, an annular plate 29 is fixedly connected with the upper surface of the supporting plate 26, and the volume of the annular plate 29 is gradually increased.

The combustion mechanism 10 comprises a flared tube 30, a flame projecting column 31 is fixedly connected to the inner surface of the flared tube 30, a supporting tube 32 is arranged at the top of the flame projecting column 31, an expansion plate 33 is fixedly connected to the outer surface of the supporting tube 32, the upper surface of the expansion plate 33 is fixedly connected with the lower surface of the furnace body 1, a sleeve 34 is slidably connected to the outer surface of the expansion plate 33, the upper surface of the sleeve 34 is fixedly connected with the lower surface of the furnace body 1, by arranging the supporting mechanism 9 and the combustion mechanism 10, before the equipment is used, a workpiece to be processed is put into the furnace body 1 from the feeding plate 4, the sleeve 34 is disassembled, coal is put onto the upper surface of the supporting tube 32 from the gap between the expansion plates 33, the expansion plate 33 is pushed upwards to reset, the sleeve 34 is installed back, the flame projecting column 31 is heated, the annular plate 29 separates the workpiece from the supporting plate 26, the gas permeability and the combustion efficiency are increased, and the expansion rod 17 is positioned at the bottom of the supporting plate 26, along with the inside heat exchange of telescopic link 17 going on constantly, backup pad 26 up-and-down reciprocating motion, picture peg 28 stirs the coal of extrusion its outer surface repeatedly, make its burning more abundant, coal can outwards release the heat when burning, the quality reduces, the rigidity reduces, under the downward pressure of picture peg 28 and the ascending pressure effect of expansion plate 33, the coal extrusion of complete combustion is smashed, the waste material is discharged from horn tube 30, the problem inside the traditional smelting pot coal combustion efficiency is lower, the coal of not complete combustion blocks up the equipment easily is solved.

The specific working process is as follows:

when the device works, when the device is used, cooling water is injected into the water tank 12 through the water injection pipe 11, along with the rise of the temperature inside the device, the heat absorption mechanism 8 jacks the check valve 13, the cooling water flows into the heat absorption mechanism 8 from the ceramic heat insulation pipe 14 and flows to the inside of the heat preservation pipe 7 through the heat absorption mechanism 8, the other part of the cooling water flows downwards to the top end of the telescopic rod 17 along the return pipe 15, the telescopic rod 17 extends, along with the rise of the water temperature, the expansion density of hot water inside the telescopic rod 17 is reduced, the hot water flows upwards, the cold water flows downwards in reverse direction, the water flows circularly along the upper plate surface and the lower plate surface of the flow distribution plate 16 inside the return pipe 15, and by utilizing the principle of expansion and contraction, the movement of the telescopic rod 17 is controlled by the residual heat leaked from the device, and the work of the supporting mechanism 9 is further controlled.

When heat is transferred from the combustion mechanism 10 to the bottom of the heat absorption mechanism 8 through the supporting mechanism 9, hot air moves upwards from a gap between the sealing plate 20 and the furnace body 1, due to the existence of the partition plate 21, the hot air must pass through the partition plate 21 one by one, the moving path of the hot air is increased through the rectangular grooves 22 arranged in a staggered manner from top to bottom, the heat conduction speed is improved by increasing the stroke, time and contact area, the heat inside the cover plate 23 is continuously increased, the water temperature on the upper surface of the cover plate is also continuously increased, the gas inside the air bag 25 is heated and expands, the one-way valve 13 is pushed open by the air bag 25, cold water inside the water tank 12 is injected downwards into the upper surface of the cover plate 23, the original hot water moves downwards to the heat preservation pipe 7 and is finally discharged from the sewage discharge pipe 3, the flow rate of the hot air is reduced due to the layer-by layer blocking of the partition plate 21, the dust inside is also deposited on the upper surface of the sealing plate 20, and the smaller dust is combined with the water vapor on the upper surface of the cover plate 23, finally, the dust is gathered in the heat preservation pipe 7, and the probability of dust leakage is reduced through multiple screening.

Before the device is used, a workpiece to be processed is placed into the furnace body 1 from the feeding plate 4, the sleeve 34 is disassembled, coal is placed on the upper surface of the supporting tube 32 from a gap between the expansion plates 33, the expansion plates 33 are pushed upwards to reset, the sleeve 34 is installed back, the flame spray column 31 is heated, the workpiece and the supporting plate 26 are separated by the annular plate 29, the gas passing performance and the combustion efficiency are improved, the expansion rod 17 is positioned at the bottom of the supporting plate 26, the supporting plate 26 reciprocates up and down along with the continuous internal heat exchange of the expansion rod 17, the insertion plate 28 repeatedly stirs and extrudes the coal on the outer surface of the insertion plate, the coal is combusted more fully, the coal can release heat outwards during combustion, the quality is reduced, the rigidity is reduced, the completely combusted coal is extruded and crushed under the action of the downward pressure of the insertion plate 28 and the upward pressure of the expansion plates 33, and waste is discharged from the horn tube 30.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. An energy-saving smelting furnace utilizing waste heat comprises a furnace body (1); the method is characterized in that: the lower surface of the furnace body (1) is fixedly connected with a base (2), the top of the base (2) is provided with a sewage discharge pipe (3), the top end of the sewage discharge pipe (3) is fixedly connected with the outer surface of the furnace body (1), the top of the sewage discharge pipe (3) is provided with a feeding plate (4), the outer surface of the feeding plate (4) is fixedly connected with the outer surface of the furnace body (1), the upper surface of the furnace body (1) is fixedly connected with a smoke discharge pipe (5), the two sides of the smoke discharge pipe (5) are fixedly connected with a water circulation mechanism (6), the bottom of the water circulation mechanism (6) is provided with a heat preservation pipe (7), the outer surface of the heat preservation pipe (7) is fixedly connected with the outer surface of the furnace body (1), the inner surface of the furnace body (1) is fixedly connected with a heat absorption mechanism (8), and the bottom of the heat absorption mechanism (8) is provided with a supporting mechanism (9), the supporting mechanism (9) is fixedly arranged on the inner surface of the furnace body (1), and the lower surface of the furnace body (1) is movably connected with a combustion mechanism (10).

2. The waste heat utilization energy-saving furnace according to claim 1, characterized in that: the water circulation mechanism (6) comprises a water injection pipe (11), the bottom end of the water injection pipe (11) is fixedly connected with a water tank (12), the inner surface of the water tank (12) is movably connected with a one-way valve (13), a ceramic heat insulation pipe (14) is arranged outside the one-way valve (13), the bottom end of the ceramic heat insulation pipe (14) is communicated with the outer surface of the furnace body (1), the top end of the ceramic heat insulation pipe (14) is fixedly connected with the lower surface of the water tank (12), a return pipe (15) is fixedly connected with the outer surface of the right side of the water tank (12), the inner surface of the return pipe (15) is fixedly connected with a splitter plate (16), the bottom end of the return pipe (15) is fixedly connected with a telescopic rod (17), the bottom end of the telescopic rod (17) is communicated with the bottom end of the return pipe (15), the lower surface of the telescopic rod (17) is fixedly connected with the inner surface of the furnace body (1).

3. The waste heat utilization energy-saving furnace according to claim 1, characterized in that: the heat absorption mechanism (8) comprises a sealing plate (20), the outer surface of the sealing plate (20) is not in contact with the inner surface of the furnace body (1), a partition plate (21) is fixedly connected to the upper surface of the sealing plate (20), a rectangular groove (22) is formed in the wall of the partition plate (21), the rectangular groove (22) is arranged in the wall of the partition plate (21) in a vertically staggered mode, a cover plate (23) is fixedly connected to the upper surface of the partition plate (21), a smoke exhaust groove (24) is formed in the wall of the cover plate (23), the outer surface of the cover plate (23) is fixedly connected with the inner surface of the furnace body (1), an air bag (25) is fixedly connected to the upper surface of the cover plate (23), and the outer surface of the air bag (25) is in contact with the lower surface of the check valve (13).

4. The waste heat utilization energy-saving furnace according to claim 1, characterized in that: supporting mechanism (9) are including backup pad (26), the surface of backup pad (26) is connected with the internal surface fixed connection of furnace body (1), logical groove (27) have been seted up in the wall of backup pad (26), the bottom that leads to groove (27) is provided with picture peg (28), the upper surface of picture peg (28) is connected with the lower fixed surface of backup pad (26), the lower surface of backup pad (28) contacts with the top of telescopic link (17), the last fixed surface of backup pad (26) is connected with annular slab (29), the volume of annular slab (29) increases gradually.

5. The waste heat utilization energy-saving furnace according to claim 1, characterized in that: burning mechanism (10) are including horn pipe (30), the internal surface fixed connection of horn pipe (30) spouts fire post (31), the top of spouting fire post (31) is provided with stay tube (32), the external fixed surface of stay tube (32) is connected with expansion plate (33), the upper surface of expansion plate (33) and the lower fixed surface of furnace body (1) are connected, the external surface sliding connection of expansion plate (33) has sleeve (34), the upper surface of sleeve (34) and the lower fixed surface of furnace body (1) are connected.