CN215676405U

CN215676405U - Gas lead smelting furnace

Info

Publication number: CN215676405U
Application number: CN202122138944.3U
Authority: CN
Inventors: 熊金磊; 冶鹏亮
Original assignee: China Shipbuilding Industry Group Hengyuan Technology Co ltd
Current assignee: China Shipbuilding Industry Group Hengyuan Technology Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-01-28
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a gas lead melting furnace, which comprises a liner, a burner, a combustion pipe and a smoke returning pipe, wherein the combustion pipe and the smoke returning pipe are arranged in an inner cavity of the liner, the pipe diameter of the combustion pipe is larger than that of a tubule, the smoke returning pipe comprises a plurality of tubules, the smoke outlet end of the combustion pipe is connected with the smoke inlet end of the tubule, the combustion end of the combustion pipe extends out of the liner and is connected with the burner, and the smoke outlet end of the tubule extends out of the liner. The pipe diameter of the combustion pipe is larger than that of the smoke returning pipe, so that the combustion pipe is matched with a flame spraying port of the combustor, the combustion pipe is made of a seamless steel pipe which meets the size of flame of the combustor, the flame of the combustor is released in enough space, abnormal combustion and even flameout caused by backfire are prevented, and the combustor is enabled to burn normally and fully; the smoke returning pipe is made of a plurality of thin pipes, so that the surface area of the smoke returning pipe contacted with the lead liquid is greatly increased on the premise of ensuring smooth discharge of smoke, and the heat exchange efficiency is improved.

Description

Gas lead smelting furnace

Technical Field

The utility model relates to the technical field of lead melting, in particular to a gas lead melting furnace.

Background

With the rapid development of the lead-acid storage battery industry and the increasing emphasis of the state on environmental protection, the energy-saving, environment-friendly and green production of the storage battery plate becomes a trend, and lead melting is an essential process in the production of the storage battery plate. At the present stage, the cost performance of the fuel gas is slightly higher than that of other energy modes in the market, so that the fuel gas lead melting mode is effectively popularized, and the conventional fuel gas lead melting device only carries out conventional heating on the bottom of a lead melting furnace through the fuel gas, so that the heat utilization rate is low; therefore, a lead melting furnace is needed, the heat utilization rate of fuel gas is improved, and energy-saving and environment-friendly production is realized.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a gas lead melting furnace, which improves the gas heat utilization rate and realizes energy-saving and environment-friendly production.

The utility model discloses a gas lead melting furnace, which comprises a liner, a burner, a combustion pipe and a smoke returning pipe, wherein the combustion pipe and the smoke returning pipe are arranged in an inner cavity of the liner, the smoke returning pipe comprises a plurality of thin pipes, the pipe diameter of the combustion pipe is larger than that of the thin pipes, the smoke outlet end of the combustion pipe is connected with the smoke inlet end of the thin pipes, the combustion end of the combustion pipe extends out of the liner and is connected with the burner, and the smoke outlet end of the thin pipes extends out of the liner.

Furthermore, the combustion tube and each tubule extend along the horizontal longitudinal direction, and each pipeline is arranged along the horizontal direction.

Further, the combustion end of the combustion tube and the smoke outlet end of the thin tube penetrate out of the inner container through the same side of the inner container.

Further, still including setting up the support piece in the inner bag inner chamber, support piece supports in the middle part position of burner tube and tubule with the deformation of restriction burner tube and tubule arch upwards.

Further, support piece is the backup pad, the backup pad is vertical to be set up in inner bag inner chamber middle part to longitudinally separate the inner bag inner chamber for two cavities, the brace hole has been seted up in the backup pad, burner tube and tubule endotheca form in the brace hole and support.

Furthermore, the vertical both sides wall of inner bag is seted up on and is used for installing the mounting hole of burner tube and tubule, the both ends seal installation of burner tube and tubule is in corresponding mounting hole.

The transition connection cover covers the side wall of the inner container, which is longitudinally close to one side of the smoke outlet end of the combustion tube, and surrounds a sealing cavity with the side wall, and the smoke outlet end of the combustion tube and the smoke inlet end of the tubule penetrate into the sealing cavity through the mounting hole in a sealing manner.

Furthermore, the supporting plate is provided with a liquid passing hole.

Further, the heat-insulation type solar water heater further comprises a shell and a heat-insulation layer, wherein the inner container is installed in the shell, and the heat-insulation layer is filled between the inner container and the shell.

Further, a liquid discharge pipe is arranged on the shell and communicated with the inner cavity of the inner container.

The utility model has the beneficial effects that:

the pipe diameter of the combustion pipe is larger than that of the thin pipe of the smoke returning pipe, so that the combustion pipe is matched with a flame spraying port of the combustor, the combustion pipe is made of a seamless steel pipe which meets the flame size of the combustor, the flame of the combustor is released in enough space, abnormal combustion and even flameout caused by backfire are prevented, and the combustor is enabled to be normally and fully combusted; the smoke returning pipe is made of a plurality of thin pipes, so that the contact surface area of the smoke returning pipe and the lead liquid is greatly increased on the premise of ensuring smooth discharge of smoke, and the heat exchange efficiency is improved; meanwhile, the supporting plate has a good supporting effect on the combustion pipe and the smoke returning pipe, so that the combustion pipe and the smoke returning pipe are prevented from being deformed and broken due to buoyancy; the connecting cover covers the outer side of the inner container, so that the joint of the combustion pipe and the smoke returning pipe forms an arc transition structure, smooth flow of smoke is guaranteed, the longitudinal size of the connecting cover can be flexibly designed, the inherent size limitation of a forming elbow is greatly avoided, and the outer size of the lead melting furnace can be effectively subjected to adaptive design.

Drawings

The utility model is further described below with reference to the figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view;

Detailed Description

As shown in the figure: the gas lead melting furnace of this embodiment, including inner bag 1, combustor 2, combustion tube 3 and smoke-returning pipe 4, the combustion tube sets up in the inner bag inner chamber with the smoke-returning pipe, the smoke-returning pipe includes a plurality of tubules 4a, the pipe diameter of combustion tube is greater than the tubule pipe diameter, the play cigarette end of combustion tube links to each other with the cigarette end that advances of tubule, the burning end of combustion tube extends to the inner bag and is connected with the combustor outward, the play cigarette end of tubule extends to outside the inner bag.

The inner container is of a cuboid structure, a feeding port is formed in the upper end of the inner container and used for adding lead blocks, an inner cavity of the inner container is used for containing lead liquid, and a heat-insulating cover can be arranged at the feeding port to reduce heat loss; the burner adopts a gas burner, the burner can be purchased in the market, and the BTG11 type burner is adopted in the embodiment; the combustion end of the combustion pipe horizontally or downwards extends out of the inner container, and the smoke outlet end of the smoke returning pipe horizontally or upwards extends out of the inner container; the combustion end and the smoke outlet end of the combustion pipe are two ends of the combustion pipe, the combustion end is used for being connected with a combustor, as shown in a combined figure 2, the pipe diameter of the combustion pipe is far larger than that of a thin pipe, so that the combustion pipe is matched with a flame jet of the combustor, the combustion pipe is made of a seamless steel pipe which accords with the flame size of the combustor, the flame of the combustor is enabled to have enough space to be released, abnormal combustion and even flameout caused by backfire are prevented, and normal and sufficient combustion of the combustor is guaranteed; meanwhile, the smoke returning pipe is made of a plurality of thin pipes, so that the surface area of the smoke returning pipe contacted with the lead liquid is greatly increased on the premise of ensuring smooth discharge of smoke, and the heat exchange efficiency is improved.

In this embodiment, the combustion pipe 3 and the narrow pipes extend in the horizontal longitudinal direction, and the pipes are arranged in the horizontal direction. The transverse direction is consistent with the axial direction of the corresponding pipeline, the longitudinal direction is the horizontal direction vertical to the transverse direction, and as shown by combining fig. 1 and fig. 2, the transverse direction is the width direction of the liner, and the longitudinal direction is the length direction of the liner; the combustion tube and the thin tube are transversely arranged and are fully arranged on the cross section in the inner container, so that the whole space in the inner container is heated, the lead melting efficiency is improved, and the arrangement mode is also favorable for the whole space layout in the inner container;

in this embodiment, the combustion end of the combustion tube and the smoke outlet end of the tubule penetrate through the inner container 1 from the same side of the inner container to the outside. As shown in fig. 1 and 2, the combustion tube and the tubule penetrate out from the right side wall of the inner container, so that the heating tube formed by the combustion tube and the tubule forms a U-shaped rotary pipeline structure, which is beneficial to increasing the flow path of the flue gas and improving the heat exchange efficiency;

in this embodiment, still including setting up the support piece in the inner bag inner chamber, support piece supports in the middle part position of burner tube and tubule with the deformation of restriction burner tube and tubule arch upwards. The middle position refers to a position close to the longitudinal center of the combustion tube and the thin tube, the longitudinal centers of the combustion tube and the thin tube are slightly deviated from the left side and the right side, the left side and the right side belong to the middle position category, the supporting piece can be a supporting beam or a supporting frame, and when the middle positions of the combustion tube and the thin tube are upwards arched, the supporting frame has the function of applying a downward acting force to the middle positions of the combustion tube and the thin tube so as to limit the deformation of the combustion tube and the thin tube; the combustion tube and the tubule conventionally adopt seamless steel tubes, the density of the seamless steel tubes is smaller than that of lead, and the combustion tube and the tubule can generate large buoyancy in lead liquid, so that the combustion tube and the tubule are guaranteed not to deform and break due to the buoyancy by the arrangement of the supporting piece.

In this embodiment, support piece is backup pad 5, the backup pad is vertical to be set up in inner bag inner chamber middle part to longitudinally separate the inner bag inner chamber for two cavities, the brace hole has been seted up in the backup pad, combustion tube 3 and tubule 4a endotheca form in the brace hole and support. The supporting plate is welded on the inner wall of the inner container, the supporting holes can be of a single-hole structure or a porous structure, a plurality of mounting holes are formed in the supporting plate in the embodiment, the pore diameter of each mounting hole corresponds to the combustion tube and each thin tube one by one, and the combustion tube and the thin tubes penetrate through the corresponding supporting holes in a sealing mode to form effective support; meanwhile, the inner cavity of the inner container is longitudinally divided into two chambers by the supporting plate, so that classified charging is facilitated.

In this embodiment, set up the mounting hole that is used for installing burner tube and tubule on the vertical both sides wall of inner bag, the both ends seal installation of burner tube and tubule is in corresponding mounting hole. Combine as shown in fig. 2, all seted up a plurality of mounting holes on the left side wall of inner bag and the right side wall, the aperture and the burner tube and each tubule one-to-one of each mounting hole, burner tube and tubule seal installation can form effective support, improvement pipeline's installation stability to the both ends of burner tube and tubule through this mounting structure in corresponding mounting hole.

In this embodiment, still include transition connection cover 6, transition connection cover covers outside the lateral wall that vertically is close to combustion tube cigarette end one side on the inner bag to enclose into sealed chamber with this lateral wall, the cigarette end of going out of combustion tube and the cigarette end of advancing of tubule seal to wearing to sealed intracavity through the mounting hole. As shown in the combined figure 2, the transitional connection cover is a U-shaped cover and is formed by welding steel plates, the transitional connection cover covers a sealing cavity similar to a U-shaped pipeline outside the left side wall of the inner container, an arc transitional structure is formed at the joint of the combustion tube and the tubule, the smooth flowing of smoke is ensured, the longitudinal size of the transitional connection cover can be flexibly designed on the premise of ensuring the flowing sectional area of the transitional connection cover, the inherent size limitation of a forming elbow is greatly avoided, and the external size of the lead melting furnace can be effectively designed in an adaptive manner.

In this embodiment, the supporting plate 5 is provided with a liquid passing hole 7. As shown in fig. 1, the liquid passing hole is located above the combustion tube and the smoke returning tube, so that the lead liquid can flow in the two cavities of the inner container.

In this embodiment, the solar water heater further comprises a shell 8 and a heat insulation layer, wherein the inner container is installed in the shell, and the heat insulation layer is filled between the inner container and the shell. The casing 8 is by the cuboid structure of shrouding welding formation, and the heat preservation adopts high temperature resistant insulation material, for example adopts thermal-insulated glass cotton etc. reduces calorific loss through setting up of heat preservation, and the increasing of heat efficiency is provided with landing leg 10 in the bottom of casing so that improve the stability of dissolving the lead stove.

In this embodiment, the casing 8 is provided with a liquid discharge pipe 9, and the liquid discharge pipe is communicated with the inner cavity of the inner container. A drain valve is arranged on the drain pipe 9, and the drain pipe 9 is connected to the bottom of the inner container, so that lead liquid can be discharged conveniently.

In this embodiment, the smoke return pipe still includes exhaust hood 11 and house steward 12, and exhaust hood 11 sets up outside the inner bag right side wall, and the exhaust hood is the cuboid cover, and the exhaust hood covers and forms sealed exhaust chamber between the inner bag right side wall, and the play cigarette end of tubule wears to this exhaust intracavity, house steward connect in exhaust hood be used for the guide to exhaust the flue gas discharge of intracavity, through the structure be convenient for each tubule play cigarette end gather.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. A gas lead smelting furnace is characterized in that: including inner bag, combustor, combustion tube and smoke-returning pipe, the combustion tube sets up in the inner bag inner chamber with the smoke-returning pipe, the smoke-returning pipe includes a plurality of tubules, the pipe diameter of combustion tube is greater than the tubule pipe diameter, the play cigarette end of combustion tube links to each other with the cigarette end that advances of tubule, the burning end of combustion tube extends to and is connected with the combustor outside the inner bag, the play cigarette end of tubule extends to outside the inner bag.

2. The gas-fired lead melting furnace of claim 1, wherein: the combustion tube and each tubule extend along the horizontal longitudinal direction, and each pipeline is arranged along the horizontal direction.

3. The gas fired lead melting furnace of claim 2, wherein: the burning end of the burning pipe and the smoke outlet end of the thin pipe penetrate through the same side of the inner container to the outside of the inner container.

4. The gas fired lead melting furnace of claim 2, wherein: still including setting up the support piece in the inner bag inner chamber, support piece supports in the middle part position of burner tube and tubule in order to restrict burner tube and tubule and upwards arch the deformation.

5. The gas fired lead melting furnace of claim 4, wherein: the support piece is a support plate, the support plate is vertically arranged in the middle of the inner cavity of the inner container and longitudinally separates the inner cavity of the inner container into two chambers, a support hole is formed in the support plate, and the combustion tube and the thin tube are sleeved in the support hole to form support.

6. The gas fired lead melting furnace of claim 5, wherein: the mounting holes for mounting the combustion tube and the thin tube are formed in the two longitudinal side walls of the inner container, and the two ends of the combustion tube and the thin tube are hermetically mounted in the corresponding mounting holes.

7. The gas fired lead melting furnace of claim 6, wherein: still include the transition connection cover, the transition connection cover covers outside the lateral wall that vertically is close to combustion tube cigarette end one side on the inner bag to enclose into sealed chamber with this lateral wall, the cigarette end of going out of combustion tube and the cigarette end that advances of tubule are sealed to be worn to sealed intracavity through the mounting hole.

8. The gas fired lead melting furnace of claim 5, wherein: the supporting plate is provided with a liquid passing hole.

9. The gas-fired lead melting furnace of claim 1, wherein: the heat-insulating liner is characterized by further comprising a shell and a heat-insulating layer, the liner is installed in the shell, and the heat-insulating layer is filled between the liner and the shell.

10. The gas fired lead melting furnace of claim 9, wherein: and a liquid discharge pipe is arranged on the shell and is communicated with the inner cavity of the inner container.