CN215799806U

CN215799806U - Electroslag furnace heat collecting and utilizing device

Info

Publication number: CN215799806U
Application number: CN202121897987.3U
Authority: CN
Inventors: 姜骁箐; 余强; 董君伟; 张萍
Original assignee: Shenyang Huasheng Metallurgical Technology And Installation Co ltd; Northeastern University China
Current assignee: Shenyang Huasheng Metallurgical Technology And Installation Co ltd; Northeastern University China
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-02-11
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses a heat collecting and utilizing device for an electroslag furnace, which comprises a heat exchange cylinder, wherein a filter cylinder is vertically and rotatably connected at the middle position inside the heat exchange cylinder, a heat exchange coil is arranged between the filter cylinder and the heat exchange cylinder, the upper end and the lower end of the heat exchange coil are respectively connected with a water inlet pipe and a water outlet pipe, a sewage discharge pipe is connected at the middle position of the bottom of the filter cylinder, the bottom end of the sewage discharge pipe extends to the outer side of the bottom of the heat exchange cylinder through a bearing arranged at the middle position of the bottom of the heat exchange cylinder, a right-angle gear I and an opening and closing valve are sequentially arranged on the sewage discharge pipe, sealing covers for sealing the top of the heat exchange cylinder are arranged at the top of the heat exchange cylinder, and a hot air inlet pipe is inserted at the middle position of the sealing covers. According to the utility model, in the process of rotating the filter cartridge, on one hand, the liquid in the heat exchange cylinder is driven to creep, so that the heating speed of the liquid in the heat exchange cylinder is increased, and on the other hand, the brush continuously cleans meshes on the side wall of the filter cartridge.

Description

Electroslag furnace heat collecting and utilizing device

Technical Field

The utility model relates to the technical field of heat collection, in particular to a heat collection and utilization device for an electroslag furnace.

Background

Nowadays, the electroslag furnace produces a great deal of heat during steel making and is generally used for air preheating. The air preheater is a heating surface which preheats the air before entering the electroslag furnace to a certain temperature through the heat generated by the electroslag furnace. The method is used for improving the heat exchange performance of the electroslag furnace and reducing the energy consumption. Generally, the air preheater can be classified into a pipe box type and a rotary type, wherein the rotary type is classified into a fan cover rotary type and a heating surface rotary type. The application in the boiler is generally in a two-bin, three-bin and four-bin type.

When the heat to the electroslag furnace steelmaking in-process that has now is collected and is utilized, through internal with the leading-in jar of heat, at first heat liquid, heat exchange liquid later, carry out the heat transfer to the intraduct cold water of heat exchange coil, waste the heat easily at this in-process, simultaneously at the heat transfer in-process, just heat the inside of the leading-in liquid of heat, can't make liquid thermally equivalent at this in-process simultaneously, use inconveniently.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model aims to provide a device for collecting and utilizing heat of an electroslag furnace, which is used for solving the problems in the background technology.

2. Technical scheme

In order to solve the problems, the utility model adopts the following technical scheme:

a device for collecting and utilizing heat of an electroslag furnace comprises a heat exchange cylinder, wherein a middle position inside the heat exchange cylinder is vertically and rotatably connected with a filter cylinder, a heat exchange coil is arranged between the filter cylinder and the heat exchange cylinder, the upper end and the lower end of the heat exchange coil are respectively connected with a water inlet pipe and a water outlet pipe, a drain pipe is connected with the middle position of the bottom of the filter cylinder, the bottom end of the drain pipe extends to the outer side of the bottom of the heat exchange cylinder through a bearing arranged at the middle position of the bottom of the heat exchange cylinder and is sequentially provided with a right-angle gear I and an opening and closing valve, the bottom of the heat exchange cylinder at the position of the right-angle gear I is provided with a driving motor, the output end of the driving motor is connected with a right-angle gear II meshed with the right-angle gear I, the top of the heat exchange cylinder is provided with a sealing cover used for sealing the top of the heat exchange cylinder, a hot air inlet pipe is inserted into the middle position of the sealing cover, and the bottom end of the hot air inlet pipe extends to the position of the depth of the filter cylinder, the bottom outside cover that the steam entered the pipe is equipped with the cross dead lever, and the vertical column that cleans in top that is provided with in cross dead lever tip, the lateral surface that cleans the column is provided with and is used for straining the brush that the inside wall cleaned.

Preferably, the sealing cover is connected with waste gas discharge pipes at equal intervals by taking the hot gas inlet pipe as a circle center, and each waste gas discharge pipe is converged to a main pipe at the top end of each waste gas discharge pipe.

Preferably, the side surface of the filter cylinder is of a grid structure, and the bottom of the filter cylinder is of an arc-shaped cover-shaped structure.

Preferably, the heat exchange coil is in a spiral tubular structure.

3. Advantageous effects

1. The utility model heats the liquid in the heat exchange cylinder by making the high-temperature gas after being utilized by the air preheater enter the interior of the filter cylinder along with the hot gas inlet pipe, then the cold water is subjected to the heat exchange in the heat exchange coil pipe through the water inlet pipe, so that the heat exchange is carried out through the liquid heated in the heat exchange cylinder, the cold water in the heat exchange coil pipe is heated, the hot water is discharged from the water outlet pipe and is used for heating the accommodation area and preserving the heat of dishes in the canteen, meanwhile, in the heat exchange process, an external power supply provides electric support for a driving motor, a right-angle gear II is driven to rotate by the driving motor and is meshed with the right-angle gear I, so that the right-angle gear rotates together step by step, thereby driving the blow-off pipe and the filter cylinder to rotate, on one hand, the liquid in the heat exchange cylinder is driven to creep in the rotation process of the filter cylinder, and the heating speed of the liquid in the heat exchange cylinder is accelerated, on the other hand makes the brush clean the mesh on straining a section of thick bamboo lateral wall that does not stop, prevents that the dust from adsorbing and influencing the efficiency of heat transfer coil pipe heat transfer on straining the mesh on a section of thick bamboo, and the dust that cleans simultaneously falls into the bottom of straining a section of thick bamboo, directly heats heat transfer coil pipe through the inside liquid of a heat transfer section of thick bamboo simultaneously, reduces thermal waste, convenient to use.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the hot gas inlet pipe and the cleaning column according to the present invention.

Reference numerals: 1-opening and closing valve, 2-right-angle gear I, 3-blow-off pipe, 4-bearing, 5-filter cylinder, 6-hot air inlet pipe, 7-water inlet pipe, 8-sealing cover, 9-heat exchange coil, 10-heat exchange cylinder, 11-water outlet pipe, 12-right-angle gear II, 13-driving motor, 14-cross fixing rod, 15-cleaning column, 16-brush and 17-waste gas discharge pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1-2, the device for collecting and utilizing heat of an electroslag furnace comprises a heat exchange cylinder 10, wherein a middle position inside the heat exchange cylinder 10 is vertically and rotatably connected with a filter cylinder 5, a heat exchange coil 9 is installed between the filter cylinder 5 and the heat exchange cylinder 10, the upper end and the lower end of the heat exchange coil 9 are respectively connected with a water inlet pipe 7 and a water outlet pipe 11, the heat exchange coil 9 is of a spiral tubular structure, the middle position at the bottom of the filter cylinder 5 is connected with a drain pipe 3, the bottom end of the drain pipe 3 extends to the outer side of the bottom of the heat exchange cylinder 10 through a bearing 4 arranged at the middle position at the bottom of the heat exchange cylinder 10, a right angle gear I2 and an opening and closing valve 1 are sequentially arranged on the drain pipe 3, a driving motor 13 is installed at the bottom of the heat exchange cylinder 10 at the position of the right angle gear I2, and the output end of the driving motor 13 is connected with a right angle gear II 12 which is mutually meshed with the right angle gear I2, the top of a heat transfer section of thick bamboo 10 all is provided with the sealed lid 8 that is used for sealed heat transfer section of thick bamboo 10 top, and the intermediate position department of sealed lid 8 alternates there is steam to advance a pipe 6, steam advances the bottom of pipe 6 and extends to straining three quarters position department of a section of thick bamboo 5 degree of depth, steam advances the bottom outside cover of pipe 6 and is equipped with cross dead lever 14, and the vertical column 15 that cleans in top that is provided with of cross dead lever 14 tip, the lateral surface that cleans column 15 is provided with and is used for straining 5 inside walls and clean brush 16, it has exhaust gas discharge pipe 17 to advance pipe 6 to be equidistant connection as the centre of a circle with steam on the sealed lid 8, and every exhaust gas discharge pipe 17 all assembles the house steward on exhaust gas discharge pipe 17 top, the side of straining a section of thick bamboo 5 is the grid structure, and strain 5 bottoms of a section of thick bamboo and be curved lid column structure.

The working principle is as follows: firstly, liquid is poured into the inside of a heat exchange cylinder 10 in advance at about three-quarter of the depth of the heat exchange cylinder 10, then, the air preheater is used for heating the liquid inside the heat exchange cylinder 10 by utilizing the high-temperature gas after entering the inside of a filter cylinder 5 along with a hot air inlet pipe 6, then, cold water is carried out inside a heat exchange coil pipe 9 through a water inlet pipe 7, so that the heat exchange is carried out through the liquid after being heated inside the heat exchange cylinder 10, the cold water inside the heat exchange coil pipe 9 is heated, the hot water is discharged from a water outlet pipe 11 and is used for heating of a lodging area and heat preservation of dishes in a dining room, meanwhile, in the heat exchange process, an external power supply provides electric support for a driving motor 13, the driving motor 13 drives a right-angle gear II 12 to rotate and is mutually meshed with a right-angle gear I2 through the right-angle gear II 12, so that the right-angle gear I2 synchronously rotates, and then the drain pipe 3 and the filter cylinder 5 are driven to rotate, drive the inside liquid of a heat exchange section of thick bamboo 10 on the one hand and creep at straining 5 pivoted in-process, thereby accelerate the speed that the inside liquid of a heat exchange section of thick bamboo 10 was heated, on the other hand makes the mesh that the brush 16 was not stopped on straining 5 lateral walls clean, prevent that the dust from adsorbing the efficiency of influencing the heat transfer of heat exchange coil pipe 9 on straining the mesh on 5, the dust that cleans simultaneously falls into the bottom of straining a section of thick bamboo 5, directly heat exchange coil pipe 9 through the inside liquid of a heat exchange section of thick bamboo 10 simultaneously, reduce the waste to the heat, high durability and convenient use, when needs are changed the inside liquid of a heat exchange section of thick bamboo 10, will strain the inside dust of a section of thick bamboo 5 and liquid and discharge along with blow off pipe 3 through opening open valve 1.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. The utility model provides an electroslag furnace heat is collected and is utilized device, includes a heat transfer section of thick bamboo (10), its characterized in that, the vertical rotation of the inside intermediate position department of a heat transfer section of thick bamboo (10) is connected with and strains a section of thick bamboo (5), and strains and install heat transfer coil (9) between a section of thick bamboo (5) and a heat transfer section of thick bamboo (10), and the upper and lower both ends of heat transfer coil (9) are connected with inlet tube (7) and outlet pipe (11) respectively, strain a section of thick bamboo (5) bottom intermediate position department and be connected with blow off pipe (3), and bearing (4) that the bottom of blow off pipe (3) was set up through heat transfer section of thick bamboo (10) bottom intermediate position department extend to the bottom outside of a heat transfer section of thick bamboo (10) and in having set gradually right angle gear (2) and open and close valve (1) of blow off pipe (3), driving motor (13) are installed to heat transfer section of thick bamboo (10) bottom of thick bamboo (2) position department, and the output of driving motor (13) is connected with right angle gear (12) with right angle gear (2) intermeshing The utility model discloses a heat exchanger, the top of a heat exchanger section of thick bamboo (10) all is provided with sealed lid (8) that are used for sealed heat exchanger section of thick bamboo (10) top, and the intermediate position department alternate of sealed lid (8) has steam to advance pipe (6), steam advances the bottom of pipe (6) and extends to the three fourths position department of straining a section of thick bamboo (5) degree of depth, steam advances the bottom outside cover of pipe (6) and is equipped with cross dead lever (14), and the top of cross dead lever (14) tip is vertical to be provided with cleans post (15), the lateral surface that cleans post (15) is provided with and is used for straining brush (16) that the inside wall cleaned.

2. The heat collecting and utilizing device of electroslag furnace according to claim 1, wherein the sealing cover (8) is connected with exhaust gas discharge pipes (17) at equal intervals by taking the hot gas inlet pipe (6) as a circle center, and each exhaust gas discharge pipe (17) is converged to a main pipe at the top end of the exhaust gas discharge pipe (17).

3. The heat collection and utilization device of an electroslag furnace according to claim 1, wherein the side surface of the filter cylinder (5) is of a grid structure, and the bottom of the filter cylinder (5) is of an arc-shaped cover-shaped structure.

4. The electroslag furnace heat collecting and utilizing device as claimed in claim 1, wherein the heat exchange coil (9) is in a spiral tubular structure.