CN212030248U

CN212030248U - Heat recovery device of smelting furnace heat treatment equipment

Info

Publication number: CN212030248U
Application number: CN202020353670.2U
Authority: CN
Inventors: 李辉; 薛艺伟; 孔德志; 宗成勇; 刘攀
Original assignee: Individual
Current assignee: Qinghai Juneng Heat Treatment Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-11-27
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a smelting furnace thermal treatment equipment's heat recovery unit, including the smelting furnace, smelting furnace top fixed mounting has gas transmission pipeline, gas transmission pipeline top fixed mounting has the air-blower, the input tube and the output tube of air-blower are all installed inside gas transmission pipeline, the inside screw thread ring canal of installing of inlaying of gas transmission pipeline, the inlet tube is installed to the input intercommunication of screw thread ring canal, the outlet pipe is installed to the output intercommunication of screw thread ring canal, the inlet tube is installed with the output intercommunication of water pump, the pipeline that draws water is installed to the input intercommunication of water pump, the pipeline that draws water extends to the tank bottom, U type pipe is installed to gas transmission pipeline right side intercommunication. The utility model discloses an air-blower takes out the waste heat waste gas that the smelting furnace produced to the gas transmission pipeline in, because the screw ring pipe constantly lets in the cooling water, can absorb most heat energy in the hot waste gas to cold cutting water heat absorption becomes hot water and transports to the regional use of other usages through the outlet pipe, can reach the purpose of heat recovery through such structure.

Description

Heat recovery device of smelting furnace heat treatment equipment

Technical Field

The utility model relates to the technical field of smelting furnaces, in particular to a heat recovery device of a smelting furnace heat treatment device.

Background

The smelting furnace is a smelting furnace for melting iron ore, such as hematite or magnetite, so that the hematite or the magnetite is melted to become pig iron, the furnace body is a refractory-lined high and large cylindrical structure, a large amount of waste gas is generated in the smelting process, and the waste gas contains a large amount of heat energy which can be utilized if changed, so a heat recovery device of the smelting furnace heat treatment equipment is provided.

There is the patent now (publication number: CN209459436U), a smelting furnace equipment for heat treatment's heat reclamation device, the on-line screen storage device comprises a base, the top fixed mounting of base has firm platform, the top fixed mounting of firm platform has hot stove, the outside fixed mounting of hot stove has the water tank, the left side fixed mounting of water tank has the inlet tube, the right side fixed mounting of water tank has the outlet pipe, the top fixed mounting of hot stove has the top cap, the right side fixed mounting of hot stove has the outlet duct. This smelting furnace heat treatment equipment's heat recovery unit has solved the used heat treatment equipment of smelting furnace in the market, and in the use, the heat of production does not obtain very big utilization, and heat treatment furnace's traditional mode is with the direct factory building outside of discharging of waste gas, has very high temperature through exhaust port combustion gas itself, and the temperature that waste gas was taken can be wasted to this kind of mode of direct discharge, and is energy-conserving inadequately, has worsened the problem of peripheral environment moreover.

In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved; the cooling unit is directly contacted with the furnace wall by the device, so that the temperature inside and outside the furnace is inconsistent, and cracks are generated on the furnace wall. This application is taken out to gas transmission pipeline in through the surplus heat waste gas that the air-blower produced the smelting furnace, because the screw ring pipe constantly lets in the cooling water, can absorb most heat energy in the hot waste gas to cold cutting water heat absorption becomes hot water and transports to the regional use of other usages through the outlet pipe, can reach the purpose of heat recovery through such structure, but not contact oven recoverable heat energy again, has solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat recovery device of a heat treatment device of a smelting furnace, which solves the problems in the background technology.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heat reclamation device of smelting furnace equipment for heat treatment, including the smelting furnace, smelting furnace top fixed mounting has gas transmission pipeline, gas transmission pipeline top fixed mounting has the air-blower, the input tube and the output tube of air-blower are all installed inside gas transmission pipeline, the inside screw thread ring canal of installing of inlaying of gas transmission pipeline, the inlet tube is installed to the input intercommunication of screw thread ring canal, the outlet pipe is installed to the output intercommunication of screw thread ring canal, the inlet tube is installed with the output intercommunication of water pump, the pipeline that draws water is installed to the input intercommunication of water pump, the pipeline that draws water extends to the bottom of the basin, U type pipe is installed to gas transmission pipeline right side intercommunication, U type pipe left side fixed mounting has the stop valve, U type pipe bottom is rotated.

As an optimized implementation mode of the utility model, the maximum external diameter of the threaded ring pipe is equal to the pipe diameter of the inner wall of the gas transmission pipeline.

As a preferred embodiment of the present invention, the cross-sectional area of the cotton filter net is equal to the cross-sectional area of the inside of the gas transmission pipeline.

As a preferred embodiment of the utility model, the installation position of the cotton filtering net is positioned on the vertical central line of the U-shaped pipe.

As a preferred embodiment of the present invention, the vertical center line of the cover coincides with the vertical center line of the cotton filter net.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an air-blower takes out the waste heat waste gas that the smelting furnace produced to the gas transmission pipeline in, because the screw ring pipe constantly lets in the cooling water, can absorb most heat energy in the hot waste gas to cold cutting water heat absorption becomes hot water and transports to the regional use of other usages through the outlet pipe, can reach the purpose of heat recovery through such structure.

2. The utility model discloses a set up U type pipe and strain the cotton net, can effectively keep off the particulate matter among the most waste gas, play the purpose of purifying waste gas, through setting up lid and stop valve, can guarantee to change under the safe prerequisite and strain the cotton net.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of a heat recovery device of a heat treatment apparatus of a smelting furnace according to the present invention;

FIG. 2 is a schematic structural view of the threaded ring pipe of the heat recovery device of the heat treatment equipment of the smelting furnace.

In the figure: 1 gas transmission pipeline, 2 smelting furnace, 3 input tubes, 4 air-blowers, 5 output tubes, 6 threaded ring pipes, 7 water inlet tubes, 8 water outlet tubes, 9 stop valves, 10U-shaped tubes, 11 filter cotton nets, 12 water tanks, 13 water pumping pipelines, 14 water pumps and 15 cover bodies.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-2, the utility model provides a technical solution: the utility model provides a heat reclamation device of smelting furnace equipment for heat treatment, including smelting

furnace

2, 2 top fixed mounting of smelting furnace have

gas transmission pipeline

1, 1 top fixed mounting of gas transmission pipeline has air-

blower

4, 1 inside at gas transmission pipeline is all installed to air-blower 4's input tube 3 and

output tube

5, 1 inside the inlaying of gas transmission pipeline installs screw ring pipe 6, inlet tube 7 is installed to screw ring pipe 6's input intercommunication, outlet pipe 8 is installed to screw ring pipe 6's output intercommunication, inlet tube 7 and water pump 14's output intercommunication are installed, water pumping pipeline 13 is installed to water pump 14's input intercommunication, water pumping pipeline 13 extends to basin 12 bottom, U type pipe 10 is installed to 1 right side intercommunication of gas transmission pipeline, U type pipe 10 left side fixed mounting has stop valve 9, U type pipe 10 bottom is rotated and is installed lid 15, the inside demountable installation of U type pipe 10 has.

In the embodiment, as shown in fig. 1 and 2, the waste gas with much waste heat generated by the smelting furnace 2 is pumped into the gas transmission pipeline 1 by the blower 4, and as the cooling water is continuously introduced into the threaded ring pipe 6, most of the heat energy in the hot waste gas can be absorbed, and the cold cutting water absorbs heat and becomes hot water which is transported to other useful areas through the water outlet pipe 8 for use, so that the purpose of recovering the heat energy can be achieved through the structure.

Wherein, the maximum outer diameter of the threaded ring pipe 6 is equal to the pipe diameter of the inner wall of the gas pipeline 1.

In this embodiment, as shown in fig. 1 and 2, by providing the U-shaped pipe 10 and the filter cotton net 11, particles in most of the waste gas can be effectively blocked, so as to purify the waste gas, and by providing the cover body 15 and the stop valve 3, the filter cotton net 11 can be replaced on the premise of ensuring safety.

Wherein the cross-sectional area of the filter cotton web 11 is equal to the cross-sectional area of the interior of the gas transmission pipeline 1.

Wherein, the installation position of the cotton filter net 11 is positioned on the vertical central line of the U-shaped pipe 10.

Wherein the vertical center line of the cover body 15 is superposed with the vertical center line of the cotton filtering net 11.

The working principle is as follows: when a heat recovery unit of smelting furnace heat treatment facility used, hot waste gas through air-blower 4 with smelting furnace 2 production is taken out to gas transmission pipeline 1 in, water pump 14 takes out the cooling water of basin 12 to threaded ring pipe 6, because threaded ring pipe 6 constantly lets in the cooling water, can absorb most heat energy in the hot waste gas, and cold cutting water heat absorption becomes hot water and transports to other regional uses that have the usage through outlet pipe 8, when refrigerated waste gas is through U type pipe 10, carry out the granule purification by filter cotton net 11 in discharging to the atmosphere, when needing to change filter cotton net 11, close stop valve 9 and open lid 15, change filter cotton net 11 that can be safe.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a heat reclamation device of smelting furnace heat treatment equipment, includes smelting furnace (2), its characterized in that: the top of the smelting furnace (2) is fixedly provided with a gas transmission pipeline (1), the top of the gas transmission pipeline (1) is fixedly provided with an air blower (4), an input pipe (3) and an output pipe (5) of the air blower (4) are both arranged inside the gas transmission pipeline (1), a threaded ring pipe (6) is embedded inside the gas transmission pipeline (1), an input end of the threaded ring pipe (6) is communicated with and provided with a water inlet pipe (7), an output end of the threaded ring pipe (6) is communicated with and provided with a water outlet pipe (8), the water inlet pipe (7) is communicated with and arranged at an output end of a water pump (14), an input end of the water pump (14) is communicated with and provided with a water pumping pipeline (13), the water pumping pipeline (13) extends to the bottom of a water tank (12), the right side of the gas transmission pipeline (1) is communicated with and provided with a U, a cotton filtering net (11) is detachably arranged in the U-shaped pipe (10).

2. The heat recovery device of a smelting furnace heat treatment apparatus according to claim 1, characterized in that: the maximum outer diameter of the threaded ring pipe (6) is equal to the pipe diameter of the inner wall of the gas pipeline (1).

3. The heat recovery device of a smelting furnace heat treatment apparatus according to claim 1, characterized in that: the cross-sectional area of the filter cotton net (11) is equal to the cross-sectional area of the inner part of the gas transmission pipeline (1).

4. The heat recovery device of a smelting furnace heat treatment apparatus according to claim 1, characterized in that: the installation position of the cotton filtering net (11) is positioned on the vertical central line of the U-shaped pipe (10).

5. The heat recovery device of a smelting furnace heat treatment apparatus according to claim 1, characterized in that: the vertical central line of the cover body (15) is superposed with the vertical central line of the cotton filtering net (11).