CN210261836U

CN210261836U - Steel processing low temperature waste heat recovery device

Info

Publication number: CN210261836U
Application number: CN201921128179.3U
Authority: CN
Inventors: 周长明
Original assignee: Shandong Dier Energy Saving Technology Co Ltd
Current assignee: Shandong Dier Energy Saving Technology Co Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-07
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a steel processing low temperature waste heat recovery device, which comprises a housin, the inside welding of casing has the cavity, and the one end of casing has the scum pipe through bolted connection, there is the sediment fill top one end of casing through bolted connection, it has the water bath chamber to constitute between casing, the cavity, and one side welding of casing has the inlet tube, the inside of casing is connected with two axis of rotation through the bearing, and has the propelling movement paddle that the heliciform distributes through bolted connection in the outside of two axis of rotation, the one end of casing has two driving motor through bolted connection, and two driving motor's output shaft is connected with two axis of rotation transmissions through the bolt respectively. The utility model discloses in, utilize the propelling movement paddle to carry out the propelling movement with hot slag charge in the inside of cavity and fully stir, utilize the cooling water to cool off the slag charge, the waste heat of recovery utilizes, carries out recycle to all the other heats, and is energy-concerving and environment-protective, simultaneously for the cooling of slag charge improves waste residue treatment effeciency.

Description

Steel processing low temperature waste heat recovery device

Technical Field

The utility model relates to a steel processing technology field especially relates to a steel processing low temperature waste heat recovery device.

Background

Iron and steel are the most important and most important metal materials in engineering technology, the largest amount of metal materials is used, most of modern iron making adopts blast furnace iron making, and steel making mainly takes pig iron smelted by a blast furnace, sponge iron smelted by a direct reduction iron-making method and waste steel as raw materials and is smelted into steel by different methods. The basic production process is that iron ore is smelted into pig iron in an iron-smelting furnace, then the pig iron is used as raw material, and is smelted into steel by different methods, and then the steel is smelted into steel ingot or continuous casting billet, the deep processing of steel is that various plates, pipes and wires in the original state of steel are processed into products which can be directly used by users through the production procedures of shearing, straightening, flattening, thinning, hot rolling, cold rolling, stamping and the like, and the heating of the steel in the steel processing process is a common steel processing technology.

In the process of producing and smelting steel in a steel mill, a large amount of smelting waste residues can be produced, the temperature of the waste residues is usually higher, the waste residues are poured into the cooling tank in the waste residue treatment process, the waste residues are treated after natural cooling, heat in the waste residues is lost, waste heat in the waste residues cannot be effectively recycled, resource waste is caused, and meanwhile, the treatment time of the waste residues is long.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a low-temperature waste heat recovery device for steel processing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a steel processing low temperature waste heat recovery device, includes the casing, the inside welding of casing has the cavity, and the one end of casing has the scum pipe through bolted connection, there is the sediment fill top one end of casing through bolted connection, it has the water bath chamber to constitute between casing, the cavity, and one side welding of casing has the inlet tube, the inside of casing is connected with two axis of rotation through the bearing, and the outside of two axis of rotation has the propelling movement paddle that the heliciform distributes through bolted connection, the one end of casing has two driving motor through bolted connection, and two driving motor's output shaft is connected with two axis of rotation transmissions through the bolt respectively.

Preferably, the top of the shell is provided with a cover body, the bottom of the cover body is welded with an inner cover, and an auxiliary water bath cavity is formed between the cover body and the inner cover.

Preferably, a hose is connected between the shell and the cover body through a flange, and a drain pipe is connected to the top of the cover body through a flange.

Preferably, the bottom of the cavity is connected with a plurality of supporting blocks through bolts, and the bottoms of the supporting blocks are stably connected with the shell through bolts.

Preferably, the cross section of the cavity is in an inverted trapezoidal structure.

Preferably, a plurality of clapboards are welded between the shell and the cavity, the shell and the cavity are separated into a plurality of heat exchange cavities through the clapboards, and the number of the water inlet pipes is the same as that of the heat exchange cavities.

Preferably, the number of the cover bodies is the same as that of the heat exchange cavities, and the number of the hoses and the number of the drain pipes are the same as that of the heat exchange cavities.

The utility model has the advantages that:

1. the utility model provides a steel processing low temperature waste heat recovery device utilizes the propelling movement paddle to carry out the propelling movement with fully mixeing hot slag charge in the inside of cavity, utilizes the cooling water to cool off the slag charge, and the waste heat of recovery utilizes, carries out recycle to all the other heats, and is energy-concerving and environment-protective, simultaneously for the cooling of slag charge, improvement waste residue treatment effeciency.

2. The utility model provides a steel processing low temperature waste heat recovery device adds above when the device carries out the refrigerated to the waste residue and establishes the lid, with hot waste residue cladding between casing and lid, increases the heat exchange area between device and the waste residue, further improves waste heat recovery's efficiency, simultaneously, avoids the dust loss that the waste residue produced at the in-process that turns to influence the environment.

3. The utility model provides a steel processing low temperature waste heat recovery device utilizes the baffle to separate into a plurality of independent heat transfer chambeies between with casing and cavity for the waste residue carries out gradual cooling treatment, simultaneously, can obtain the waste heat recovery hot water of different temperatures, and application scope is more extensive, utilizes the baffle to carry out the auxiliary stay to the cavity, further prolongs the life of this device.

Drawings

Fig. 1 is a schematic structural view of a low-temperature waste heat recovery device for steel processing provided by the utility model;

FIG. 2 is a schematic view of a cross-sectional structure of a low-temperature waste heat recovery device for steel processing according to the present invention;

fig. 3 is a schematic view of a partial cross-sectional structure of a low-temperature waste heat recovery device for steel processing provided by the second embodiment of the present invention;

fig. 4 is a schematic diagram of a cavity structure of a low-temperature waste heat recovery device for steel processing according to the second embodiment of the present invention.

In the figure: the device comprises a shell 1, a driving motor 2, a slag feeding hopper 3, a rotating shaft 4, a pushing paddle 5, a cover body 6, a water discharging pipe 7, a slag discharging pipe 8, a supporting block 9, a cavity 10, a hose 11, an inner cover 12, a water inlet pipe 13, a partition plate 14 and a heat exchange cavity 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-2, a low-temperature waste heat recovery device for steel processing comprises a shell 1, a cavity 10 is welded inside the shell 1, a slag discharge pipe 8 is connected to one end of the shell 1 through a bolt, a slag inlet hopper 3 is connected to one end of the top of the shell 1 through a bolt, a water bath cavity is formed between the shell 1 and the cavity 10, a water inlet pipe 13 is welded on one side of the shell 1, two rotating shafts 4 are connected to the inside of the shell 1 through bearings, spiral pushing blades 5 are connected to the outer sides of the two rotating shafts 4 through bolts, two driving motors 2 are connected to one end of the shell 1 through bolts, output shafts of the two driving motors 2 are in transmission connection with the two rotating shafts 4 through bolts, cooling water is introduced into the water bath cavity through the water inlet pipe 13 during use, slag is thrown into the slag inlet hopper 3, and the rotating shafts 4 are driven to rotate by the driving motors 2, utilize propelling movement paddle 5 to carry out propelling movement and intensive mixing with hot slag charge in the inside of cavity 10, utilize the cooling water to cool off the slag charge, the waste heat of recovery utilizes, carries out recycle to remaining heat, and is energy-concerving and environment-protective, simultaneously for the cooling of slag charge, improve waste residue treatment effeciency.

In the utility model, the top of the shell 1 is provided with the cover body 6, and the bottom of the cover body 6 is welded with the inner cover 12, an auxiliary water bath cavity is formed between the cover body 6 and the inner cover 12, the shell 1 and the cover body 6 are connected with the hose 11 through flanges, and the top of the cover body 6 is connected with the drain pipe 7 through flanges, the hose 11 is utilized to communicate the shell 1 and the cover body 6, the cover body 6 is additionally arranged above the shell while the device cools the waste residue, the hot waste residue is coated between the shell 1 and the cover body 6, the heat exchange area between the device and the waste residue is increased, the efficiency of waste heat recovery is further improved, and meanwhile, the dust loss generated in the process of turning the waste residue is prevented from influencing the;

the bottom of the cavity 10 is connected with a plurality of supporting blocks 9 through bolts, the bottoms of the supporting blocks 9 are stably connected with the shell 1 through bolts, and the supporting blocks 9 are additionally arranged between the shell 1 and the cavity 10, so that the supporting strength of the cavity 10 is improved, and the service life of the device is prolonged;

the transversal trapezoidal structure that personally submits of cavity 10, the inner wall that the slope set up for cavity 10 is inseparabler with 5 laminating of propelling movement paddle, guarantees the stability of propelling movement in-process, and simultaneously, the waste residue gathering is avoided to the diapire on inclined plane, further improves the stability of waste residue propelling movement.

The working principle is as follows: at the idle position of the device, all the electric devices, namely power elements, electric devices, adaptive controllers and power supplies are connected through leads, specific connection means refer to the following working principle that the electric devices are electrically connected in sequence, and the detailed connection means are well-known in the art, and mainly describe the working principle and process without describing the electric control, when the device is used, cooling water is introduced into the water bath cavity through a water inlet pipe 13, slag is put into a slag inlet hopper 3, a driving motor 2 is used for driving a rotating shaft 4 to rotate, hot slag is pushed and fully stirred in the cavity 10 by a pushing paddle 5, the slag is cooled by the cooling water, recovered waste heat is utilized, and the rest heat is recycled, so that the device is energy-saving and environment-friendly, and simultaneously, the cooling of the slag is accelerated, the waste residue treatment efficiency is improved;

utilize hose 11 to communicate between casing 1 and the lid 6, add above when the device cools off the waste residue and establish lid 6, with the cladding of hot waste residue between casing 1 and lid 6, increase the heat exchange area between device and the waste residue, further improve waste heat recovery's efficiency, simultaneously, avoid the dust loss that the waste residue produced at the in-process that stirs to influence the environment.

Example two

Referring to fig. 3-4, a low-temperature waste heat recovery device for steel processing, further, a plurality of partition plates 14 are welded between a shell 1 and a cavity 10, the shell 1 and the cavity 10 are separated into a plurality of heat exchange cavities 15 through the partition plates 14, the number of water inlet pipes 13 is the same as that of the heat exchange cavities 15, the number of cover bodies 6 is the same as that of the heat exchange cavities 15, and the number of hoses 11 and water discharge pipes 7 is the same as that of the heat exchange cavities 15.

The working principle is as follows: utilize baffle 14 to separate into a plurality of independent heat transfer chambeies 15 between with casing 1 and cavity 10 for the waste residue carries out gradual cooling treatment, simultaneously, can obtain the waste heat recovery hot water of different temperatures, and application scope is more extensive, utilizes baffle 14 to carry out auxiliary stay to cavity 10, further prolongs the life of this device.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The low-temperature waste heat recovery device for steel processing comprises a shell (1), wherein a cavity (10) is welded in the shell (1), one end of the shell (1) is connected with a slag discharge pipe (8) through a bolt, one end of the top of the shell (1) is connected with a slag inlet hopper (3) through a bolt, it is characterized in that a water bath cavity is formed between the shell (1) and the cavity (10), a water inlet pipe (13) is welded at one side of the shell (1), the interior of the shell (1) is connected with two rotating shafts (4) through bearings, and the outer sides of the two rotating shafts (4) are connected with spirally distributed pushing blades (5) through bolts, one end of the shell (1) is connected with two driving motors (2) through bolts, and the output shafts of the two driving motors (2) are respectively in transmission connection with the two rotating shafts (4) through bolts.

2. The steel processing low-temperature waste heat recovery device according to claim 1, characterized in that a cover body (6) is arranged at the top of the shell (1), an inner cover (12) is welded at the bottom of the cover body (6), and an auxiliary water bath cavity is formed between the cover body (6) and the inner cover (12).

3. The low-temperature waste heat recovery device for steel processing according to claim 2, wherein a hose (11) is connected between the shell (1) and the cover body (6) through a flange, and a drain pipe (7) is connected to the top of the cover body (6) through a flange.

4. The steel processing low-temperature waste heat recovery device according to claim 3, wherein the bottom of the cavity (10) is connected with a plurality of supporting blocks (9) through bolts, and the bottoms of the supporting blocks (9) are firmly connected with the shell (1) through bolts.

5. The steel processing low-temperature waste heat recovery device according to claim 4, wherein the cross section of the cavity (10) is in an inverted trapezoid structure.

6. The steel processing low-temperature waste heat recovery device according to claim 3, wherein a plurality of partition plates (14) are welded between the shell (1) and the cavity (10), the shell (1) and the cavity (10) are divided into a plurality of heat exchange cavities (15) through the partition plates (14), and the number of the water inlet pipes (13) is the same as that of the heat exchange cavities (15).

7. The steel processing low-temperature waste heat recovery device according to claim 6, wherein the number of the cover bodies (6) is the same as that of the heat exchange cavities (15), and the number of the hoses (11) and the number of the drain pipes (7) are the same as that of the heat exchange cavities (15).