Cooling device for furnace body

Abstract

The utility model discloses a cooling device for a furnace body. The cooling device comprises a furnace body, a furnace door, a fixing frame, a partition plate, circulation holes, a main pipe, branch pipes, a middle pipe, a water inlet pipe, a hose, a water conveying pipe and a water outlet pipe. A furnace door is arranged on the furnace body, fixing frames are arranged on the furnace body and the furnace door, a plurality of partition plates are arranged on the fixing frames, and circulation holes are evenly formed in the partition plates. Main pipes are arranged above and below the outer walls of the partition plates, branch pipes are arranged between the main pipes, and the main pipes are connected through middle pipes; the water inlet end of the water inlet pipe is connected with a hose, the hose is connected with a water conveying pipe through a three-way valve, and the main pipe inside is connected with a water outlet pipe. The bosh cooling wall and the furnace door cooling wall are supplied with high-pressure water, the water supply flow is increased, and the thermal load of the cooling walls is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cooling technical field, concretely relates to a cooling device for furnace body. BACKGROUND

[0002] The blast furnace is made of steel plate as furnace shell, and the shell is lined with refractory bricks. The blast furnace body is divided into five parts from top to bottom, namely, furnace throat, furnace shaft, furnace waist, furnace belly and furnace hearth. Because of the good technical and economic indicators of blast furnace ironmaking, simple process, large production capacity, high labor productivity and low energy consumption, the iron produced by this method accounts for a large part of the world's total iron output. Because of the high water temperature difference of the cooling wall on both sides of the furnace door and the furnace belly, the cooling effect is very poor, the average water temperature difference is as high as 20-30 DEG C, the service life is short, and the direct economic loss is large. According to the analysis of the cooling wall, the cooling wall is loaded with heat load, and the cooling wall and the furnace shell are easy to burn and heat, so the cooling water supply mode of the cooling wall is changed to cold in and hot out.

[0003] Therefore, a cooling device for furnace body is provided. The furnace belly cooling wall and the two furnace door cooling walls are supplied with high-pressure water, the water supply flow is increased, and the heat load of the cooling wall is reduced. CONTENT OF THE UTILITY MODEL

[0004] In view of the above problems, the purpose of the utility model is to provide a cooling device for furnace body.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A cooling device for furnace body, comprising: a furnace body, a furnace door, a fixed frame, a partition, a flow-through hole, a main pipe, a branch pipe, an intermediate pipe, a water inlet pipe, a hose, a water supply pipe and a water outlet pipe;

[0007] The furnace door is arranged on the furnace body, the fixed frame is arranged on the furnace body and the furnace door, the partition is arranged on the fixed frame, and the flow-through hole is uniformly arranged on the partition;

[0008] The main pipe is arranged on the outer wall of the partition, the branch pipe is arranged between the main pipes, and the main pipes are connected through the intermediate pipe;

[0009] The main pipe of the partition at the outside is connected with the water inlet pipe, the water inlet end of the water inlet pipe is connected with the hose, the hose is connected with the water supply pipe through the three-way valve, and the main pipe at the inside is connected with the water outlet pipe.

[0010] Further, the water outlet pipe is connected with a water guide groove, and the output port of the water guide groove is connected with a water return groove.

[0011] Further, the number of the output port of the water guide groove and the water return groove is multiple.

[0012] Further, the water return groove is provided with a baffle strip.

[0013] The backwater tank is provided with a baffle between the baffle strip side wall and the baffle, and the baffle is provided with an output hole.

[0014] Further, the output pipe of the backwater tank is connected with the water storage tank.

[0015] Further, the water storage tank is connected with a water delivery pipe, and the water delivery pipe is provided with a power pump.

[0016] Further, the output pipe is provided with a compression refrigerating machine.

[0017] Compared with the prior art, the utility model has at least one of the following beneficial effects:

[0018] (1) The furnace belly cooling wall and the furnace door two cooling walls are supplied with high-pressure water, and the water supply flow is increased to reduce the cooling wall heat load.

[0019] (2) The water for cooling the furnace belly cooling wall and the furnace door is heat-exchanged through the backwater tank and is treated by the compression refrigerating machine and then is used again. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic view of the utility model.

[0021] Figure 2 It is a structure top view of the utility model fixed frame.

[0022] Figure 3 It is a side view of the utility model partition.

[0023] Figure 4 It is a connection schematic view of the utility model backwater tank.

[0024] Figure 5 It is a side view of the utility model baffle.

[0025] In the drawing: 1-furnace body, 2-furnace door, 3-fixed frame, 4-partition, 5-flow-through hole, 6-main pipe, 7-branch pipe, 8-intermediate pipe, 9-water inlet pipe, 10-hose, 11-water inlet pipe, 12-water outlet pipe, 13-backwater tank, 14-baffle strip, 15-baffle, 16-output hole, 17-output pipe, 18-water storage tank, 19-power pump, 20-water guide tank, 21-compression refrigerating machine. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will be further described in detail by combining with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0027] A kind of cooling device for furnace body, comprising: furnace body 1, furnace door 2, fixed frame 3, baffle 4, flow-through hole 5, main pipe 6, branch pipe 7, intermediate pipe 8, water inlet pipe 9, hose 10, water inlet pipe 11, water outlet pipe 12, backwater tank 13, baffle strip 14, baffle 15, output hole 16, output pipe 17, water storage tank 18, power pump 19, water guide groove 20, compression type refrigerator 21;

[0028] Furnace body 1 is provided with furnace door 2, furnace body 1, furnace door 2 are all provided with fixed frame 3, three baffle 4 are provided on fixed frame 3, flow-through hole 5 is evenly opened on baffle 4, main pipe 6 is provided on the outer wall of baffle 4, branch pipe 7 is provided between main pipe 6, intermediate pipe 8 is connected between the main pipe 6 of upper and lower parts, water inlet pipe 9 is connected to the main pipe 6 of outer part baffle 4, water inlet pipe 9 water inlet end is connected with hose 10, hose 10 is connected with water pipe 11 by three-way valve, water outlet pipe 12 is connected to the main pipe 6 of inner part.

[0029] Water outlet pipe 12 is connected with water guide groove 20, the output port of water guide groove 20 is connected with backwater tank 13, backwater tank 13 is provided with multiple, baffle strip 14 is arranged in backwater tank 13, baffle strip 14 is filled with cooling material, baffle 15 is arranged between backwater tank 13 and the side wall of baffle strip 14, output hole 16 is opened on baffle 15, the output pipe 17 of backwater tank 13 is connected with water storage tank 18, water storage tank 18 is connected with water pipe 11, power pump 19 is arranged on water pipe 11, power pump 19 is selected as high-pressure water pump, compression type refrigerator 21 is arranged on output pipe 17, compression type refrigerator 21 is purchased equipment in market.

[0030] Working process: the furnace body 1 is matched with the furnace door 2 and the like, facilitating the normal work of the furnace body 1, and the furnace belly and the furnace door 2 need to be cooled during the work of the furnace body 1, the furnace body 1 and the furnace door 2 are provided with two fixed frames 3, the fixed frames 3 are fixedly provided with three partitions 4, the partitions 4 are uniformly provided with flow holes 5, the flow holes 5 facilitate the diffusion of heat, and when the heat diffuses, the water in the water storage tank 18 is output through the water delivery pipe 11, the water in the water delivery pipe 11 is input into the main pipe 6 outside the external partition 4 through the hose 10 and the water inlet pipe 9, the water in the main pipe 6 is communicated through the intermediate pipe 8, the water input through the water inlet pipe 9 is circulated through the main pipe 6, the intermediate pipe 8 and the branch pipe 7, and the main pipe 6 is arranged above and below each partition 4, and the branch pipe 7 is connected between the main pipes 6, facilitating cooling. The cooled water is output through the water outlet pipe 12, the output water has a certain temperature, and then enters the water guide groove 20, the water guide groove 20 is provided with a plurality of output openings, the water guide groove 20 on one side of the output opening is provided with a water return groove 13, the water return groove 13 is provided with a baffle strip 14, the baffle strip 14 is filled with a cooling material, one side of the baffle strip 14 is connected with a baffle 15, the baffle 15 is provided with an output hole 16, facilitating the cooling of water, and the water is output through the output pipe 17 after being cooled to a certain degree, the output pipe 17 is provided with a compression type refrigerator 21, playing a role of cooling, and the cooled water enters the water storage tank 18 for standby, the water storage tank 18 is provided with a water inlet and a drain, and the pipes at the water inlet and the drain are provided with control valves. The water guide groove 20 and the water return groove 13 are connected and arranged obliquely, facilitating the flow of water, and the height of the output of the water outlet pipe 12 is higher than the height of the water inlet of the water guide groove 20, facilitating the flow of water.

[0031] Although the present application has been described with reference to multiple illustrative embodiments thereof, it is understood that the present application is capable of numerous modifications and variations, all of which are intended to fall within the scope of the present application disclosed herein. More specifically, variations and modifications to the components of the subject combination layout and / or the layout itself can be made based on the description as contained herein, the drawings, and the accompanying claims. Other uses will also become apparent to those of ordinary skill in the art upon reading the foregoing description.

Claims

1. A cooling device for a furnace body, characterized by: Include: Furnace body (1), furnace door (2), fixed frame (3), partition (4), flow through hole (5), main pipe (6), branch pipe (7), intermediate pipe (8), water inlet pipe (9), hose (10), water pipe (11), water outlet pipe (12); The furnace body (1) is provided with furnace door (2), furnace body (1), furnace door (2) is provided with fixed frame (3), fixed frame (3) is provided with a plurality of partition (4), partition (4) is uniformly provided with flow through hole (5); The outer wall of partition (4) is provided with main pipe (6) upwards and downwards, and branch pipe (7) is arranged between main pipe (6). The main pipe (6) is connected through the intermediate pipe (8). The main pipe (6) of the outer partition (4) is connected with the water inlet pipe (9), and the water inlet end of the water inlet pipe (9) is connected with the hose (10). The hose (10) is connected with the water pipe (11) through a three-way valve, and the inner main pipe (6) is connected with the water outlet pipe (12).

2. A cooling device for a furnace according to claim 1, characterized in that: The water outlet pipe (12) is connected with the water guide groove (20), and the output port of the water guide groove (20) is connected with the water return groove (13).

3. A cooling device for a furnace as claimed in claim 2, characterized in that: The number of output ports of the water guide groove (20) and the water return groove (13) is multiple.

4. A cooling device for a furnace according to claim 2, characterized in that: The water return groove (13) is provided with a baffle strip (14); The water return groove (13) and the baffle strip (14) are provided with a baffle (15) between the side walls, and the baffle (15) is provided with an output hole (16).

5. A cooling device for a furnace as claimed in claim 2, characterized in that: The output pipe (17) of the water return groove (13) is connected with the water storage tank (18).

6. A cooling device for a furnace as claimed in claim 5, characterized in that: The water storage tank (18) is connected with the water pipe (11), and the water pipe (11) is provided with a power pump (19).

7. A cooling device for a furnace as claimed in claim 5, characterized in that: The output pipe (17) is provided with a compression type refrigerator (21).

Images