CN212299976U - Environment-friendly heating furnace - Google Patents

Environment-friendly heating furnace Download PDF

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Publication number
CN212299976U
CN212299976U CN202020971249.8U CN202020971249U CN212299976U CN 212299976 U CN212299976 U CN 212299976U CN 202020971249 U CN202020971249 U CN 202020971249U CN 212299976 U CN212299976 U CN 212299976U
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pipe
combustion furnace
purification box
furnace
water
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CN202020971249.8U
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Chinese (zh)
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赵斌
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Chengdu Langcheng Electronics Co ltd
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Chengdu Langcheng Electronics Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

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Abstract

The utility model discloses an environment-friendly heating furnace, which relates to the technical field of heating furnaces and comprises a combustion furnace, a base, an inlet pipe, a purification box, a grate, a drain pipe, a smoke exhaust pipe, a slag discharge pipe, a water pipe, a preheating cavity, a cambered surface of the grate, which is coincident and matched with an inner cambered surface of the combustion furnace, the purification box is arranged at the top of the combustion furnace, the combustion furnace and the purification box are concentrically arranged, the top surface of the combustion furnace is coincident and fixed with the bottom surface of the purification box, a filter screen is arranged at the top end of the smoke exhaust pipe, the filter screen, to the part that the pipe of discharging fume and filter screen are inconsistent, it is fixed with the filter screen to discharge fume, fires burning furnace inside cavity, is provided with preheating chamber, preheats chamber and fires burning furnace inner chamber coincidence adaptation, has played the effect of keeping the temperature, reducing the temperature and running off.

Description

Environment-friendly heating furnace
Technical Field
The utility model relates to a heating furnace technical field specifically is an environmental protection heating furnace.
Background
The heating furnace is a device for heating articles, and the current common heating furnace has poor environment-friendly and energy-saving effects, so that an environment-friendly and energy-saving external heating furnace is provided. The furnace temperature, commonly known as the hot wall temperature, refers to the temperature of the flue gas as it leaves the radiant chamber and enters the convection chamber. The higher this temperature, the greater the heat transfer from the radiant tubes and the greater the heat entering the convection chamber, but if the temperature is too high, the tubes and intermediate tube racks are prone to burn out. The heat transferred per unit surface area and per unit time of the furnace tube is called the surface heat intensity of the furnace tube. The higher the surface heat intensity of the furnace tube, the less the furnace tube is needed at a certain heat load, the furnace can be reduced, the investment is reduced, but the improvement has a limit. Heating furnaces, various industrial furnaces and boilers are high-energy-consumption kilns, and the resource consumption is large. The heating furnace has high temperature when heating the steel ingot, and a large amount of high-temperature heat is taken away by the flue gas, thereby causing waste and low heat utilization rate. The percentage of the furnace load to the total heat released when the fuel is burned is referred to as the furnace thermal efficiency. The higher the thermal efficiency, the more fuel is saved. The heating furnace almost participates in various process procedures, particularly in the process procedures of manufacturing ethylene, hydrogen, ammonia and the like, the heating furnace becomes heart equipment for carrying out cracking or conversion reaction, the heart equipment governs the product quality, the product yield, the energy consumption, the operation period and the like of the whole factory or device, and the superior performance and the technical development of the heating furnace play a great role in the progress of petroleum refining and chemical engineering processes.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide an environmental protection heating furnace to solve the general poor problem of heating furnace environmental protection and energy saving effect that proposes in the above-mentioned background art.
The purpose of the utility model is realized through the following technical scheme:
an environment-friendly heating furnace comprises a combustion furnace, a base, a feeding pipe, an air inlet pipe, a water inlet pipe, a purification box, a grate, a drain pipe, a smoke exhaust pipe, a slag discharge pipe and a water pipe;
wherein the arc surface of the combustion furnace is inserted with a feed pipe, an air inlet pipe and a slag discharge pipe,
a feed inlet is formed in the side surface of the combustion furnace, and the feed pipe is fixedly arranged at the feed inlet;
an air inlet is formed in the side face of the combustion furnace, and the air inlet pipe is fixedly arranged at the air inlet;
a slag discharge port is formed in the side surface of the combustion furnace, and the slag discharge pipe is fixedly arranged at the slag discharge port;
a feed inlet on the side surface of the combustion furnace is matched and fixed with one surface of the feed pipe, the inner wall of the feed pipe is matched and connected with the inner wall of the combustion furnace, the outer wall of the feed pipe is matched and connected with the outer wall of the combustion furnace,
the air inlet at the upper end of the side surface of the combustion furnace is matched and concentrically arranged with the air inlet pipe, the combustion furnace is fixedly connected with the air inlet pipe for the part of the combustion furnace which is contacted with the air inlet pipe,
the slag discharging port at the lower end of the side surface of the combustion furnace is matched and concentrically arranged with the slag discharging pipe, the combustion furnace is fixedly connected with the slag discharging pipe for the part of the combustion furnace, which is abutted against the slag discharging pipe,
the edge of the grate is matched with the arc surface of the inner wall of the combustion furnace,
the top of the combustion furnace is provided with a purification box, the combustion furnace and the purification box are concentrically arranged, the top surface of the combustion furnace and the bottom surface of the purification box are superposed and fixed,
wherein the surface of the purifying box is connected with a water inlet pipe, a water outlet pipe and a smoke exhaust pipe,
a water inlet is formed in the side surface of the purification box, and the water inlet pipe is fixedly arranged at the water inlet;
a water outlet is formed in the side surface of the purification box, and the water outlet pipe is fixedly arranged on the water outlet;
a smoke outlet is formed in the side face of the purification box, and the smoke exhaust pipe is fixedly arranged at the smoke outlet;
the water outlet at the lower end of the side surface of the purification box is matched and concentrically arranged with the water drain pipe, the purification box is fixedly connected with the water drain pipe for the part of the purification box which is abutted against the water drain pipe,
the water inlet at the upper end of the side surface of the purifying box is matched and concentrically arranged with the water inlet pipe, the purifying box is fixedly connected with the water inlet pipe for the part of the purifying box which is abutted against the water inlet pipe,
the smoke outlet at the top end of the purification box is concentrically arranged with the smoke exhaust pipe in a matching way, for the part of the purification box which is abutted against the smoke exhaust pipe, the purification box is fixedly connected with the smoke exhaust pipe,
the water pipe sets up in the purifying box inside, the bottom inner wall of water pipe and the coincidence of the inner wall that fires burning furnace, fixed connection between water pipe and the burning furnace.
Further, the bottom of the combustion furnace is provided with a base, the arc surface of the upper end of the base is matched with the arc surface of the combustion furnace, and the disc of the base and the circle at the top of the combustion furnace are concentrically arranged.
Furthermore, a filter screen is arranged at the top end of the smoke exhaust pipe, the filter screen and the smoke exhaust pipe are concentrically arranged, and the smoke exhaust pipe is fixed with the filter screen for the part of the smoke exhaust pipe, which is abutted against the filter screen.
Furthermore, the combustion furnace is hollow and provided with a preheating cavity, and the preheating cavity is coincided and matched with the inner cavity of the combustion furnace.
Furthermore, the water pipe is a steel-plastic composite pipe.
Furthermore, the grate is formed by welding round steel with the same size
Furthermore, the combustion furnace adopts refractory bricks and heat insulation brick materials.
Furthermore, the water inlet pipe is a hot-dip cast iron pipe.
The utility model has the advantages that: (1) the interior of the combustion furnace is hollow and is provided with a preheating cavity, the preheating cavity is overlapped and matched with the inner cavity of the combustion furnace, the functions of keeping the temperature and reducing the temperature loss are achieved, the heat transfer coefficient of a heating surface is reduced due to ash accumulation on the heating surface of the boiler, the heat absorption capacity of the boiler is reduced, the heat release quantity of smoke is reduced, and the smoke temperature at the inlet of the air preheater is increased, so that the smoke exhaust temperature is increased; the ash blockage of the air preheater reduces the heat transfer area of the air preheater, and also reduces the heat release of the flue gas, so that the temperature of the flue gas is increased.
(2) The hole on purifying box top and exhaust port cooperate and set up with one heart, to the inconsistent part of purifying box and exhaust port, the purifying box bonds with the exhaust port, filters waste gas once more, measures oxygen content, in time adjusts the ratio of stove coal gas and air in, under the circumstances of guaranteeing that the fuel burns completely and descaling the effect, reduces the surplus coefficient of air as far as possible, reaches the effect that reduces the emission.
(3) The cambered surface of the grate is coincident and adaptive with the inner cambered surface of the combustion furnace, so that a heating object can be fixed in the middle, the structure is simple, the use is convenient, the blank can be ensured to stably enter and exit the movable furnace in the heating area, and the effect of comprehensive heating is achieved.
Drawings
FIG. 1 is a schematic view of the environment-friendly heating furnace of the present invention;
FIG. 2 is a sectional view of the environment-friendly heating furnace of the present invention;
FIG. 3 is a schematic view of the grate of the environment-friendly heating furnace of the present invention;
FIG. 4 is a schematic view of a water pipe of the environment-friendly heating furnace of the present invention;
in the figure, 1 is a combustion furnace, 2 is a base, 3 is a feed pipe, 4 is an air inlet pipe, 5 is a water inlet pipe, 6 is a purification box, 7 is a grate, 8 is a drain pipe, 9 is a smoke exhaust pipe, 10 is a slag discharge pipe, and 11 is a water pipe.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
An environment-friendly heating furnace comprises a combustion furnace 1, a base 2, a feed pipe 3, an air inlet pipe 4, a water inlet pipe 5, a purification box 6, a grate 7, a drain pipe 8, a smoke exhaust pipe 9, a slag discharge pipe 10 and a water pipe 11;
wherein the arc surface of the combustion furnace 1 is inserted with a feed pipe 3, an air inlet pipe 4 and a slag discharge pipe 10,
a feed inlet is formed in the side surface of the combustion furnace 1, and the feed pipe 3 is fixedly arranged at the feed inlet;
an air inlet is arranged on the side surface of the combustion furnace 1, and the air inlet pipe 4 is fixedly arranged at the air inlet;
a slag discharge port is formed in the side surface of the combustion furnace 1, and the slag discharge pipe 10 is fixedly arranged at the slag discharge port;
a feed inlet on the side surface of the combustion furnace 1 is matched and fixed with one surface of the feed pipe 3, the inner wall of the feed pipe 3 is matched and connected with the inner wall of the combustion furnace 1, the outer wall of the feed pipe 3 is matched and connected with the outer wall of the combustion furnace 1, the input of combustion materials is convenient,
the air inlet at the upper end of the side surface of the combustion furnace 1 is matched and concentrically arranged with the air inlet pipe 4, for the part of the combustion furnace 1, which is abutted against the air inlet pipe 4, the combustion furnace 1 is fixedly connected with the air inlet pipe 4, so that the combustion-supporting gas can be conveniently input, the temperature is improved,
the slag discharging port at the lower end of the side surface of the combustion furnace 1 is matched and concentrically arranged with the slag discharging pipe 10, for the part of the combustion furnace 1 which is abutted against the slag discharging pipe 10, the combustion furnace 1 is fixedly connected with the slag discharging pipe 10, which is convenient for discharging waste slag,
the edge of the grate 7 is matched with the arc surface of the inner wall of the combustion furnace 1, so that a heating object can be fixed in the middle to achieve the effect of overall heating,
the top of the combustion furnace 1 is provided with the purification box 6, the combustion furnace 1 and the purification box 6 are concentrically arranged, the top surface of the combustion furnace 1 and the bottom surface of the purification box 6 are superposed and fixed for secondary filtration, thereby achieving the effect of reducing emission,
wherein the surface of the purifying box 6 is connected with a water inlet pipe 5, a water outlet pipe 8 and a smoke exhaust pipe 9,
a water inlet is formed in the side face of the purification box 6, and the water inlet pipe 5 is fixedly arranged at the water inlet;
a water outlet is arranged on the side surface of the purification box 6, and the water outlet pipe 8 is fixedly arranged on the water outlet;
a smoke outlet is formed in the side face of the purification box 6, and the smoke exhaust pipe 9 is fixedly arranged at the smoke outlet;
the water outlet at the lower end of the side surface of the purification box 6 is matched and concentrically arranged with the drain pipe 8, for the part of the purification box 6 which is contacted with the drain pipe 8, the purification box 6 is fixedly connected with the drain pipe 8, the light weight waste residue and the waste gas are discharged by taking water as medium,
the water inlet at the upper end of the side surface of the purifying box 6 is matched and concentrically arranged with the water inlet pipe 5, for the part of the purifying box 6 which is inconsistent with the water inlet pipe 5, the purifying box 6 is fixedly connected with the water inlet pipe 5, clean water is input, the effect of cleaning the purifying box 6 is achieved,
the smoke outlet at the top end of the purification box 6 is matched and concentrically arranged with the smoke exhaust pipe 9, for the part of the purification box 6 which is abutted against the smoke exhaust pipe 9, the purification box 6 is fixedly connected with the smoke exhaust pipe 9, the waste gas is filtered again, the effect of reducing the emission is achieved,
the water pipe 11 is arranged in the purifying box 6, the inner wall of the bottom end of the water pipe 11 is superposed with the inner wall of the combustion furnace 1, the water pipe 11 is fixedly connected with the combustion furnace 1, and light-weight waste slag and waste gas are input into water.
As shown in fig. 1, the inlet pipe 3 is opened, the object to be heated is thrown into the inner cavity of the combustion furnace 1 through the inlet port, the heating is started, the object is heated, the combustion furnace 1 separately filters the waste, one part of the waste is discharged through the filter screen on the inlet pipe of the air inlet, the activated carbon filter cover can adsorb and purify the purified flue gas again, the pollution rate of the flue gas is lower, the toxic and harmful gas is filtered through the water pipe 11, the toxic and harmful gas is filtered in the specific liquid in the purification box 6, the toxic and harmful gas is dissolved in the water, after the use for a period of time, the specific liquid is injected through the inlet pipe 5 of the water inlet, the polluted liquid is discharged through the drain pipe of the water outlet, after the combustion furnace 1 is combusted, waste residues are generated, the waste residues are discharged through the residue discharge pipe on the residue discharge port, and the effect of.
Further, the bottom of the combustion furnace 1 is provided with a base 2, the upper end arc surface of the base 2 is matched with the arc surface of the combustion furnace 1, and the disc of the base 2 and the circle at the top of the combustion furnace 1 are concentrically arranged, so that the effect of fixing the combustion furnace 1 is achieved.
Furthermore, a filter screen is arranged at the top end of the smoke exhaust pipe 9, the filter screen and the smoke exhaust pipe 9 are arranged concentrically, and the smoke exhaust pipe 9 is fixed with the filter screen for the part of the smoke exhaust pipe 9, which is abutted against the filter screen, so that the effect of reducing emission is achieved.
Furthermore, the combustion furnace 1 is hollow and provided with a preheating cavity, and the preheating cavity is coincided and matched with the inner cavity of the combustion furnace 1, so that the effects of keeping the temperature and reducing the temperature loss are achieved.
Furthermore, the water pipe 11 is a steel-plastic composite pipe, and has the characteristics of smooth inner wall, small friction resistance and no scale formation.
Furthermore, the grate 7 is formed by welding round steel with the same size, has uniform air distribution and large ventilation area, and is suitable for the characteristics of intensified production.
Furthermore, the combustion furnace 1 is made of refractory bricks and heat-insulating bricks, and has the capability of not deforming, not cracking, not softening and not slurrying at high temperature.
Furthermore, the water inlet pipe 5 is a hot-dip cast iron pipe, so that the bending strength and the torsion strength are high, and the weight is light.
The foregoing is merely a preferred embodiment of the invention, it being understood that the embodiments described are part of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The invention is not intended to be limited to the forms disclosed herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (8)

1. An environment-friendly heating furnace is characterized by comprising a combustion furnace (1), a base (2), a feeding pipe (3), an air inlet pipe (4), an water inlet pipe (5), a purification box (6), a grate (7), a water outlet pipe (8), a smoke outlet pipe (9), a slag outlet pipe (10) and a water pipe (11);
wherein the arc surface of the combustion furnace (1) is inserted with a feed pipe (3), an air inlet pipe (4) and a slag discharge pipe (10),
a feed inlet is formed in the side surface of the combustion furnace (1), and the feed pipe (3) is fixedly arranged at the feed inlet;
an air inlet is formed in the side surface of the combustion furnace (1), and the air inlet pipe (4) is fixedly arranged at the air inlet;
a slag discharge port is formed in the side surface of the combustion furnace (1), and the slag discharge pipe (10) is fixedly arranged at the slag discharge port;
a feed inlet on the side surface of the combustion furnace (1) is matched and fixed with one end of the feed pipe (3), the inner wall of the feed pipe (3) is matched and connected with the inner wall of the combustion furnace (1), the outer wall of the feed pipe (3) is matched and connected with the outer wall of the combustion furnace (1),
the air inlet at the upper end of the side surface of the combustion furnace (1) is matched and concentrically arranged with the air inlet pipe (4), the combustion furnace (1) is fixedly connected with the air inlet pipe (4) for the part of the combustion furnace (1) which is abutted against the air inlet pipe (4),
the slag discharging port at the lower end of the side surface of the combustion furnace (1) is matched and concentrically arranged with the slag discharging pipe (10), for the part of the combustion furnace (1) which is abutted against the slag discharging pipe (10), the combustion furnace (1) is fixedly connected with the slag discharging pipe (10),
the edge of the grate (7) is matched with the arc surface of the inner wall of the combustion furnace (1),
the top of the combustion furnace (1) is provided with a purification box (6), the combustion furnace (1) and the purification box (6) are concentrically arranged, the top surface of the combustion furnace (1) and the bottom surface of the purification box (6) are superposed and fixed,
wherein the surface of the purifying box (6) is connected with a water inlet pipe (5), a water outlet pipe (8) and a smoke exhaust pipe (9),
a water inlet is formed in the side face of the purifying box (6), and the water inlet pipe (5) is fixedly arranged at the water inlet;
a water outlet is formed in the side surface of the purification box (6), and the water drain pipe (8) is fixedly arranged on the water outlet;
a smoke outlet is formed in the side face of the purification box (6), and the smoke exhaust pipe (9) is fixedly arranged at the smoke outlet;
the water outlet at the lower end of the side surface of the purification box (6) is matched and concentrically arranged with the drain pipe (8), for the part of the purification box (6) which is abutted against the drain pipe (8), the purification box (6) is fixedly connected with the drain pipe (8),
a water inlet at the upper end of the side surface of the purifying box (6) is matched and concentrically arranged with the water inlet pipe (5), for the part of the purifying box (6) which is pressed against the water inlet pipe (5), the purifying box (6) is fixedly connected with the water inlet pipe (5),
the smoke outlet at the top end of the purification box (6) is matched and concentrically arranged with the smoke exhaust pipe (9), for the part of the purification box (6) which is abutted against the smoke exhaust pipe (9), the purification box (6) is fixedly connected with the smoke exhaust pipe (9),
the water pipe (11) is arranged in the purification box (6), the inner wall of the bottom end of the water pipe (11) is superposed with the inner wall of the combustion furnace (1), and the water pipe (11) is fixedly connected with the combustion furnace (1).
2. An environmentally friendly furnace according to claim 1, wherein the base (2) is provided at the bottom of the burner (1), the upper arc surface of the base (2) is fitted to the arc surface of the burner (1), and the disc of the base (2) is provided concentrically with the top circle of the burner (1).
3. The environment-friendly heating furnace according to claim 1, wherein a filter screen is arranged at the top end of the smoke exhaust pipe (9), the filter screen and the smoke exhaust pipe (9) are concentrically arranged, and the smoke exhaust pipe (9) is fixed with the filter screen for the part of the smoke exhaust pipe (9) which is in contact with the filter screen.
4. An environment-friendly heating furnace according to claim 1, characterized in that the combustion furnace (1) is hollow and is provided with a preheating cavity, and the preheating cavity is coincidently matched with the inner cavity of the combustion furnace (1).
5. An environment-friendly heating furnace according to claim 1, characterized in that the water pipe (11) is a steel-plastic composite pipe.
6. An environmentally friendly furnace according to claim 1, wherein the grate (7) is welded from round steel of the same size.
7. An environmentally friendly furnace according to claim 1, wherein the furnace (1) is made of refractory bricks and insulating brick materials.
8. An environment-friendly heating furnace according to claim 1, characterized in that the water inlet pipe (5) is a hot-dip cast iron pipe.
CN202020971249.8U 2020-06-01 2020-06-01 Environment-friendly heating furnace Active CN212299976U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020971249.8U CN212299976U (en) 2020-06-01 2020-06-01 Environment-friendly heating furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020971249.8U CN212299976U (en) 2020-06-01 2020-06-01 Environment-friendly heating furnace

Publications (1)

Publication Number Publication Date
CN212299976U true CN212299976U (en) 2021-01-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020971249.8U Active CN212299976U (en) 2020-06-01 2020-06-01 Environment-friendly heating furnace

Country Status (1)

Country Link
CN (1) CN212299976U (en)

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