CN216115362U

CN216115362U - Energy-saving and environment-friendly heating furnace for metal smelting engineering

Info

Publication number: CN216115362U
Application number: CN202121746689.4U
Authority: CN
Inventors: 何伟富
Original assignee: Cangzhou China Railway Equipment Manufacturing Materials Co Ltd
Current assignee: Cangzhou China Railway Equipment Manufacturing Materials Co Ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-03-22
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses an energy-saving and environment-friendly heating furnace for metal smelting engineering, which comprises a furnace body, wherein a water tank is arranged on the outer side of the furnace body, supporting plates are fixedly arranged on two sides of the bottom of the water tank, a stable supporting block is fixedly arranged at the bottom of each supporting plate, a heat conducting plate is arranged on the outer side of the furnace body, uniformly distributed heat conducting fins are fixedly arranged at the bottom of each heat conducting plate, and heat pipes are arranged at the bottoms of the heat conducting fins. The heat-conducting plate is arranged for absorbing and conducting the waste heat generated on the surface of the furnace body, the heat-conducting plate conducts the waste heat energy to the heat-conducting fins, and the liquid in the water tank is heated under the mutual matching of the heat-conducting fins and the heat pipe, so that the waste heat utilization of the furnace body is completed, the purposes of energy saving and environmental protection are achieved, and the problems that the existing heating furnace does not have a waste heat recovery function, the waste heat is lost in the use process of the heating furnace, and resources are wasted are solved.

Description

Energy-saving and environment-friendly heating furnace for metal smelting engineering

Technical Field

The utility model relates to the technical field of metal smelting, in particular to an energy-saving and environment-friendly heating furnace for metal smelting engineering.

Background

Pure metals are generally solid (except mercury) at normal temperature, have metallic luster (namely, the strong reflection of visible light), most of the pure metals are excellent conductors of electricity and heat, have ductility, higher density and higher melting point, metal resources on the earth widely exist in the earth crust and the ocean, except that a few very inactive metals such as gold, silver and the like exist in a simple substance form, the rest exist in a compound form, the metals widely exist in the nature, the application in life is very common, the pure metals are very important and most applied substances in modern industry, metal smelting is a process of changing the metals from a compound state to a free state, the furnace of dozens of coal-fired furnaces in China is distributed in a plurality of cities except saddle steel immediately before liberation, technical equipment lags behind without special thermal engineering technicians, and after liberation, the advanced technology is comprehensively studied and introduced to the Soviet Union, practice and innovation are carried out according to Chinese national conditions, furnace sections are also divided according to heat supply belts with burners arranged in the furnace, the furnace is called into a one-section type and a two-section type according to the number of the heat supply belts, the five-section type and the six-section type are adopted, the furnace is 50-60 years, the capacity of a rolling mill is increased, the length of a steel pushing type furnace is limited by the length of steel pushing, the heat supply belts are increased at a feed end, a preheating section without heat supply is cancelled, the productivity of unit furnace bottom area is improved, the furnace is used for heating slabs, the yield of the furnace bottom per unit area reaches 900-1000 kg/(meter 2 & hour), the heat consumption is about (0.5-0.65) multiplied by 106 kilocalories/ton, the productivity is increased for 70 years, the energy-saving requirement is met, the newly-developed step furnace is allowed to increase the length of the furnace, the non-preheating section is added, the optimal yield of the furnace bottom unit area is 600-650 kg/(meter 2 & hour), the heat consumption is about (0.3-0.5) x 106 kcal/ton, in the forging and rolling production, the billet is generally heated in the oxidizing atmosphere of complete combustion flame, the metal is directly heated by adopting incomplete combustion reducing flame (namely 'self-protection atmosphere'), the purpose of no oxidation or less oxidation can be achieved, the heating mode is called open flame type or open flame type no oxidation heating, the heating mode is successfully applied to a rotary hearth type heating furnace and a chamber type heating furnace, the hearth is divided into a preheating section, a heating section and a soaking section along the length direction according to the furnace temperature distribution, the furnace temperature at the feeding end is lower than that at the preheating section, the heating mode is characterized in that the furnace gas heat is utilized to improve the heat efficiency of the furnace, the heating section is a main heating section, the furnace gas temperature is higher to facilitate the quick heating, the soaking section is positioned at the discharging end, the difference between the furnace gas temperature and the metal material temperature is small, the section temperature of the discharged furnace blank is uniform, the existing heating furnace does not have a waste heat recovery function, the waste heat is lost in the using process of the heating furnace, so that the resource waste is caused, and a device capable of recovering the waste heat of the heating furnace is needed to improve the purpose of fully utilizing the heating furnace.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an energy-saving and environment-friendly heating furnace for metal smelting engineering, which has the advantage of waste heat recovery and solves the problem that the existing heating furnace does not have the function of waste heat recovery, and the waste heat is lost in the using process of the heating furnace, so that the resource is wasted.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a metal smelting engineering is with energy-concerving and environment-protective heating furnace, includes the furnace body, the outside of furnace body is provided with the water tank, the equal fixed mounting in both sides of water tank bottom has the backup pad, the bottom fixed mounting of backup pad has a stable piece, the outside of furnace body is provided with the heat-conducting plate, the bottom fixed mounting of heat-conducting plate has evenly distributed's conducting strip, the bottom of conducting strip is provided with the heat pipe, evenly distributed's seal groove is seted up to the bottom of water tank inner chamber, the bottom of heat pipe runs through in the seal groove and extends to the inside of water tank, the left top intercommunication of water tank has the inlet tube, the bottom intercommunication on water tank right side has the drain pipe, the top of drain pipe is provided with the control valve.

Preferably, a pressure release valve is fixedly mounted on the right side of the top of the water tank, and the bottom of the pressure release valve is communicated with the water tank.

Preferably, the right side of drain pipe is provided with flange, the drain pipe passes through flange and outer takeover intercommunication.

Preferably, the two sides of the inner cavity of the water tank are fixedly provided with connecting blocks, and one side, close to the connecting blocks, of the connecting blocks is fixedly connected with the heat conducting plate.

Preferably, the heat conducting plate is internally provided with heat conducting silica gel, and the heat conducting silica gel is fully contacted with the outer side of the furnace body.

Preferably, a sealing ring is arranged in the sealing groove, and the heat pipe penetrates through the sealing ring.

Compared with the prior art, the utility model has the following beneficial effects:

1. the heat-conducting plate is arranged for absorbing and conducting the waste heat generated on the surface of the furnace body, the heat-conducting plate conducts the waste heat energy to the heat-conducting fins, and the liquid in the water tank is heated under the mutual matching of the heat-conducting fins and the heat pipe, so that the waste heat utilization of the furnace body is completed, the purposes of energy saving and environmental protection are achieved, and the problems that the existing heating furnace does not have a waste heat recovery function, the waste heat is lost in the use process of the heating furnace, and resources are wasted are solved.

2. According to the utility model, the pressure relief valve is arranged for relieving the pressure inside the water tank, the connecting flange is arranged for connecting the external connecting pipe, the sealing property between the drain pipe and the external connecting pipe is improved, the connecting block is arranged for installing and limiting the heat conducting plate, the stability of the heat conducting plate is improved, the heat conducting silica gel is arranged for increasing the heat conducting area of the heat conducting plate, the waste heat on the surface of the furnace body is fully conducted to the heat conducting plate, and the sealing ring is arranged for sealing the sealing groove, so that the liquid inside the water tank is prevented from overflowing.

Drawings

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

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

fig. 3 is a partial enlarged view of the utility model at a in fig. 2.

In the figure: 1. a furnace body; 2. a water tank; 3. a water inlet pipe; 4. a pressure relief valve; 5. a drain pipe; 6. a control valve; 7. a connecting flange; 8. a support plate; 9. stabilizing the branch block; 10. a heat conducting plate; 11. heat conducting silica gel; 12. a heat conductive sheet; 13. a heat pipe; 14. connecting blocks; 15. a seal ring; 16. sealing the groove.

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.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, an energy-saving and environment-friendly heating furnace for metal smelting engineering comprises a furnace body 1, a water tank 2 is arranged outside the furnace body 1, supporting plates 8 are fixedly mounted on both sides of the bottom of the water tank 2, stabilizing support blocks 9 are fixedly mounted on the bottom of the supporting plates 8, a heat conducting plate 10 is arranged outside the furnace body 1, uniformly distributed heat conducting fins 12 are fixedly mounted at the bottom of the heat conducting plate 10, heat pipes 13 are arranged at the bottom of the heat conducting fins 12, uniformly distributed sealing grooves 16 are formed in the bottom of an inner cavity of the water tank 2, the bottoms of the heat pipes 13 penetrate through the sealing grooves 16 and extend into the water tank 2, a water inlet pipe 3 is communicated with the top of the left side of the water tank 2, a water outlet pipe 5 is communicated with the bottom of the right side of the water tank 2, a control valve 6 is arranged at the top of the water outlet pipe 5, the heat conducting plate 10 is used for absorbing and conducting waste heat generated on the surface of the furnace body 1, and the heat conducting plate 10 conducts the waste heat energy to the heat conducting fins 12, the liquid in the water tank 2 is heated under the mutual cooperation of the heat conducting fins 12 and the heat pipes 13, so that the utilization of the waste heat of the furnace body 1 is completed, and the purposes of energy conservation and environmental protection are achieved, the right side of the top of the water tank 2 is fixedly provided with a pressure relief valve 4, the bottom of the pressure relief valve 4 is communicated with the water tank 2, the pressure relief valve 4 is arranged for relieving the pressure in the water tank 2, the right side of the water drainage pipe 5 is provided with a connecting flange 7, the water drainage pipe 5 is communicated with an external pipe through the connecting flange 7, the connecting flange 7 is arranged for connecting the external pipe, so that the tightness between the water drainage pipe 5 and the external pipe is improved, the two sides of the inner cavity of the water tank 2 are fixedly provided with connecting blocks 14, the side, close to each other, of the connecting blocks 14 is fixedly connected with the heat conducting plate 10, the connecting blocks 14 are arranged for installing and limiting the heat conducting plate 10, so that the stability of the heat conducting plate 10 is improved, and the heat conducting silica gel 11 is arranged in the heat conducting plate 10, the outside of heat conduction silica gel 11 and furnace body 1 fully contacts, is used for increasing the heat conduction area of heat-conducting plate 10 through setting up heat conduction silica gel 11, fully conducts the waste heat on furnace body 1 surface to heat-conducting plate 10, and the inside of seal groove 16 is provided with sealing ring 15, and heat pipe 13 runs through in sealing ring 15, is used for sealing seal groove 16 through setting up sealing ring 15, prevents that the inside liquid of water tank 2 from spilling over.

When the heat-conducting plate is used, the heat-conducting plate 10 absorbs and conducts the waste heat generated on the surface of the furnace body 1, the heat-conducting plate 10 conducts the waste heat energy to the heat-conducting fins 12, and the liquid in the water tank 2 is heated under the mutual matching of the heat-conducting fins 12 and the heat pipes 13, so that the waste heat utilization of the furnace body 1 is completed, and the purposes of energy conservation and environmental protection are achieved.

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 metal smelting engineering is with energy-concerving and environment-protective heating furnace, includes furnace body (1), its characterized in that: a water tank (2) is arranged on the outer side of the furnace body (1), supporting plates (8) are fixedly arranged on both sides of the bottom of the water tank (2), a stable supporting block (9) is fixedly arranged at the bottom of the supporting plate (8), a heat conducting plate (10) is arranged at the outer side of the furnace body (1), the bottom of the heat conducting plate (10) is fixedly provided with evenly distributed heat conducting fins (12), the bottom of the heat conducting fin (12) is provided with a heat pipe (13), the bottom of the inner cavity of the water tank (2) is provided with sealing grooves (16) which are uniformly distributed, the bottom of the heat pipe (13) penetrates through the sealing groove (16) and extends to the inside of the water tank (2), the water tank is characterized in that the top of the left side of the water tank (2) is communicated with a water inlet pipe (3), the bottom of the right side of the water tank (2) is communicated with a water outlet pipe (5), and a control valve (6) is arranged at the top of the water outlet pipe (5).

2. The energy-saving and environment-friendly heating furnace for the metal smelting engineering according to claim 1, characterized in that: the water tank is characterized in that a pressure release valve (4) is fixedly mounted on the right side of the top of the water tank (2), and the bottom of the pressure release valve (4) is communicated with the water tank (2).

3. The energy-saving and environment-friendly heating furnace for the metal smelting engineering according to claim 1, characterized in that: the right side of drain pipe (5) is provided with flange (7), drain pipe (5) are through flange (7) and outer pipe intercommunication.

4. The energy-saving and environment-friendly heating furnace for the metal smelting engineering according to claim 1, characterized in that: the water tank (2) is characterized in that connecting blocks (14) are fixedly mounted on two sides of an inner cavity of the water tank (2), and one side, close to the connecting blocks (14), of the connecting blocks is fixedly connected with the heat conducting plate (10).

5. The energy-saving and environment-friendly heating furnace for the metal smelting engineering according to claim 1, characterized in that: the furnace is characterized in that heat-conducting silica gel (11) is arranged in the heat-conducting plate (10), and the heat-conducting silica gel (11) is in full contact with the outer side of the furnace body (1).

6. The energy-saving and environment-friendly heating furnace for the metal smelting engineering according to claim 1, characterized in that: the inside of seal groove (16) is provided with sealing ring (15), heat pipe (13) run through in sealing ring (15).