Cooling device and system based on middle sleeve of blast furnace

Abstract

The utility model provides a cooling device and system based on a middle sleeve of a blast furnace, and the cooling device based on the middle sleeve of the blast furnace comprises a soft water input pipe, a soft water output pipe, an industrial water input pipe, an industrial water output pipe, a soft water input control valve and a soft water output control valve, the utility model further discloses a cooling system based on the blast furnace medium sleeve. The cooling system comprises the blast furnace, the blast furnace medium sleeve, a medium sleeve water inlet ring pipe, a medium sleeve water outlet ring pipe and the cooling device based on the blast furnace medium sleeve. According to the utility model, the cooling water can be conveniently and quickly changed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cooling device and system based on the middle sleeve of blast furnace, and particularly relates to a cooling device and system based on the middle sleeve of blast furnace. BACKGROUND

[0002] At present, in the production process of blast furnace, the middle sleeve of blast furnace is usually cooled by cooling water, and the commonly used cooling water includes soft water and industrial water. During the cooling process of the middle sleeve of blast furnace, the cooling water needs to be changed from soft water to industrial water or from industrial water to soft water.

[0003] However, the prior art cannot conveniently change the cooling water. INVENTION CONTENTS

[0004] According to the above technical problem, a cooling device and system based on the middle sleeve of blast furnace are provided.

[0005] The utility model can conveniently change the cooling water:

[0006] In the first aspect, a cooling device based on the middle sleeve of blast furnace comprises a soft water input pipe, a soft water output pipe, an industrial water input pipe, an industrial water output pipe, a soft water input control valve and a soft water output control valve. The output end of the industrial water input pipe is connected to the part of the soft water input pipe between the input end and the output end of the soft water input pipe. The input end of the industrial water output pipe is connected to the part of the soft water output pipe between the input end and the output end of the soft water output pipe. The soft water input control valve is installed on the part of the soft water input pipe between the input end of the soft water input pipe and the output end of the industrial water input pipe. The soft water output control valve is installed on the part of the soft water output pipe between the output end of the soft water output pipe and the input end of the industrial water output pipe.

[0007] Further, it further comprises an industrial water input control valve and an industrial water output control valve. The industrial water input control valve is installed on the industrial water input pipe. The industrial water output control valve is installed on the industrial water output pipe.

[0008] Further, it further comprises a backwater tank. The output end of the industrial water output pipe is located in the backwater tank.

[0009] Further, it further comprises a pressure detection pipe, a pressure gauge and a pressure detection valve. The input end of the pressure detection pipe is connected to the part of the soft water input pipe between the output end of the industrial water input pipe and the output end of the soft water input pipe. The pressure gauge is installed on the output end of the pressure detection pipe. The pressure detection valve is installed on the pressure detection pipe.

[0010] Further, the soft water input control valve and the soft water output control valve are each provided with a plurality of valves.

[0011] The second aspect is a cooling system based on a blast furnace jacket, comprising a blast furnace, a blast furnace jacket, a jacket water inlet ring pipe and a jacket water outlet ring pipe, the blast furnace jacket is installed in the tuyere of the blast furnace, the jacket water inlet ring pipe and the jacket water outlet ring pipe are both around the blast furnace, and the cooling device based on the blast furnace jacket in any one of the first aspect is further included; the input end of the soft water input pipe in the cooling device based on the blast furnace jacket is connected to the output end of the jacket water inlet ring pipe; the output end of the soft water input pipe in the cooling device based on the blast furnace jacket is connected to the water inlet of the blast furnace jacket; the input end of the soft water output pipe in the cooling device based on the blast furnace jacket is connected to the water outlet of the blast furnace jacket; and the output end of the soft water output pipe in the cooling device based on the blast furnace jacket is connected to the input end of the jacket water outlet ring pipe.

[0012] The utility model has the following advantages:

[0013] 1、 the utility model discloses when needing to use soft water to cool blast furnace jacket, open soft water input control valve and soft water output control valve, close industrial water input control valve and industrial water output control valve, inject soft water to the input end of jacket water inlet ring pipe, and soft water flows through jacket water inlet ring pipe, soft water input pipe, blast furnace jacket, soft water output pipe and jacket water outlet ring pipe in proper order, and flows out from the output end of jacket water outlet ring pipe, realizes soft water cooling blast furnace jacket, when needing to use industrial water to cool blast furnace jacket, close soft water input control valve and soft water output control valve, open industrial water input control valve and industrial water output control valve, inject industrial water to the input end of industrial water input pipe, and industrial water flows through industrial water input pipe, blast furnace jacket and industrial water output pipe in proper order, and flows out from the output end of industrial water output pipe, realizes industrial water cooling blast furnace jacket, the utility model discloses can conveniently change cooling water.

[0014] 2、 the utility model discloses backwater groove can collect industrial water that industrial water output pipe's output end exports.

[0015] 3、 the utility model discloses in the process of soft water cooling blast furnace jacket, first open pressure detection valve, when pressure gauge shows normal pressure value, then close soft water output control valve, close soft water input control valve again, when, if the value shown in pressure gauge is lower than normal pressure value, then the blast furnace jacket can appear breakage, thereby play the role of primary detection whether blast furnace jacket appears breakage.

[0016] 4. In the process of cooling the sleeve of the blast furnace with industrial water, first close the industrial water input control valve, then detect whether the gas output from the output end of the industrial water output pipe can be ignited by fire, if the gas output from the output end of the industrial water output pipe can be ignited by fire, it indicates that the sleeve of the blast furnace must be damaged, thereby playing a role of further detecting whether the sleeve of the blast furnace is damaged.

[0017] 5. In the process of cooling the sleeve of the blast furnace with industrial water, first partially close the industrial water input control valve, so that the pressure in the blast furnace is greater than the pressure in the sleeve of the blast furnace, then observe whether there is a wind line in the industrial water output from the output end of the industrial water output pipe, if there is a wind line in the industrial water output from the output end of the industrial water output pipe, it indicates that the sleeve of the blast furnace must be damaged, thereby playing a role of further detecting whether the sleeve of the blast furnace is damaged.

[0018] 6. The soft water input control valve and the soft water output control valve are provided with a plurality of, which can ensure the safety of the operation of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be simply introduced below, obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0020] Figure 1 It is the overall structure diagram of the cooling device based on the sleeve of the blast furnace, the sleeve inlet ring pipe and the sleeve outlet ring pipe in the embodiment of the utility model;

[0021] Figure 2 It is the overall structure diagram of the blast furnace, the sleeve of the blast furnace, the sleeve inlet ring pipe and the sleeve outlet ring pipe in the embodiment of the utility model;

[0022] Fig. 1 is a sleeve outlet ring pipe;2 is a sleeve inlet ring pipe;3 is a soft water input control valve;4 is a soft water input pipe;5 is an industrial water input control valve;6 is an industrial water input pipe;7 is a pressure gauge;8 is a pressure detection pipe;9 is a pressure detection valve;10 is a sleeve of blast furnace;11 is an industrial water output control valve;12 is a backwater tank;13 is an industrial water output pipe;14 is a soft water output control valve;15 is a soft water output pipe;16 is a blast furnace. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described in the following with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Embodiment 1

[0025] As shown in Figure 1 and Figure 2 A cooling device based on a high furnace sleeve, comprising soft water input pipe 4, soft water output pipe 15, industrial water input pipe 6, industrial water output pipe 13, soft water input control valve 3 and soft water output control valve 14, the output end of the industrial water input pipe 6 is connected on the part of the soft water input pipe 4 between the input end and the output end of the soft water input pipe 4, the input end of the industrial water output pipe 13 is connected on the part of the soft water output pipe 15 between the input end and the output end of the soft water output pipe 15, the soft water input control valve 3 is installed on the part of the soft water input pipe 4 between the input end of the soft water input pipe 4 and the output end of the industrial water input pipe 6, and the soft water output control valve 14 is installed on the part of the soft water output pipe 15 between the output end of the soft water output pipe 15 and the input end of the industrial water output pipe 13.

[0026] In the embodiment, it also comprises industrial water input control valve 5 and industrial water output control valve 11, the industrial water input control valve 5 is installed on the industrial water input pipe 6, and the industrial water output control valve 11 is installed on the industrial water output pipe 13.

[0027] In the embodiment, it also comprises backwater tank 12, and the output end of the industrial water output pipe 13 is located in the backwater tank 12.

[0028] In the embodiment, it also comprises pressure detection pipe 8, pressure gauge 7 and pressure detection valve 9, the input end of the pressure detection pipe 8 is connected on the part of the soft water input pipe 4 between the output end of the industrial water input pipe 6 and the output end of the soft water input pipe 4, the pressure gauge 7 is installed on the output end of the pressure detection pipe 8, and the pressure detection valve 9 is installed on the pressure detection pipe 8.

[0029] In the embodiment, the soft water input control valve 3 and the soft water output control valve 14 are all provided with a plurality of.

[0030] Specifically, the soft water input control valve 3 and the soft water output control valve 14 are both provided with two.

[0031] Embodiment 2:

[0032] As shown in Figure 1 and Figure 2 , a cooling system based on the middle jacket of blast furnace, comprising a blast furnace 16, a middle jacket 10 of blast furnace, a middle jacket water inlet ring pipe 2 and a middle jacket water outlet ring pipe 1, the middle jacket 10 of blast furnace is installed in the tuyere of blast furnace 16, the middle jacket water inlet ring pipe 2 and the middle jacket water outlet ring pipe 1 are both around the blast furnace 16, and further comprising the cooling device based on the middle jacket of blast furnace in any one of embodiment 1; the input end of the soft water input pipe 4 in the cooling device based on the middle jacket of blast furnace is connected to the output end of the middle jacket water inlet ring pipe 2; the output end of the soft water input pipe 4 in the cooling device based on the middle jacket of blast furnace is connected to the water inlet of the middle jacket 10 of blast furnace; the input end of the soft water output pipe 15 in the cooling device based on the middle jacket of blast furnace is connected to the water outlet of the middle jacket 10 of blast furnace; the output end of the soft water output pipe 15 in the cooling device based on the middle jacket of blast furnace is connected to the input end of the middle jacket water outlet ring pipe 1.

[0033] The working principle of the embodiment is as follows:

[0034] When it is needed to cool the middle jacket 10 of blast furnace with soft water, open the soft water input control valve 3 and the soft water output control valve 14, close the industrial water input control valve 5 and the industrial water output control valve 11, inject soft water to the input end of the middle jacket water inlet ring pipe 2, and the soft water flows through the middle jacket water inlet ring pipe 2, the soft water input pipe 4, the middle jacket 10 of blast furnace, the soft water output pipe 15 and the middle jacket water outlet ring pipe 1 in turn, and flows out from the output end of the middle jacket water outlet ring pipe 1, so as to cool the middle jacket 10 of blast furnace with soft water; at this time, first open the pressure detection valve 9, the pressure gauge 7 displays the normal pressure value, then close the soft water output control valve 14, and then close the soft water input control valve 3, if the value displayed by the pressure gauge 7 is lower than the normal pressure value, it indicates that the middle jacket 10 of blast furnace may be damaged.

[0035] When the industrial water is needed to cool the middle sleeve 10 of the blast furnace, the soft water input control valve 3 and the soft water output control valve 14 are closed, the industrial water input control valve 5 and the industrial water output control valve 11 are opened, the industrial water is injected into the input end of the industrial water input pipe 6, and the industrial water flows through the industrial water input pipe 6, the middle sleeve 10 of the blast furnace and the industrial water output pipe 13 in sequence and flows out from the output end of the industrial water output pipe 13, so that the industrial water cools the middle sleeve 10 of the blast furnace; at this time, the industrial water input control valve 5 is closed first, and then it is detected whether the gas output from the output end of the industrial water output pipe 13 can be ignited by fire; if the gas output from the output end of the industrial water output pipe 13 can be ignited by fire, it is indicated that the middle sleeve 10 of the blast furnace is damaged; the industrial water input control valve 5 can also be partially closed first, so that the pressure in the blast furnace 16 is greater than the pressure in the middle sleeve 10 of the blast furnace, and then it is observed whether there is a wind line in the industrial water output from the output end of the industrial water output pipe 13; if there is a wind line in the industrial water output from the output end of the industrial water output pipe 13, it is also indicated that the middle sleeve 10 of the blast furnace is damaged.

[0036] The embodiment can conveniently and quickly change the cooling water and detect the damage of the middle sleeve 10 of the blast furnace, so that the phenomena of the blast furnace 16 being fired, the coal gas being smoked out and the like caused by the damage of the middle sleeve 10 of the blast furnace are avoided, and the normal production of the blast furnace 16 is ensured.

[0037] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A cooling device based on a sleeve in a blast furnace, characterized in that, The soft water input pipe (4), the soft water output pipe (15), the industrial water input pipe (6), the industrial water output pipe (13), the soft water input control valve (3) and the soft water output control valve (14) are included. The output end of the industrial water input pipe (6) is connected to the part of the soft water input pipe (4) between the input end and the output end of the soft water input pipe (4). The input end of the industrial water output pipe (13) is connected to the part of the soft water output pipe (15) between the input end and the output end of the soft water output pipe (15). The soft water input control valve (3) is installed on the part of the soft water input pipe (4) between the input end of the soft water input pipe (4) and the output end of the industrial water input pipe (6). The soft water output control valve (14) is installed on the part of the soft water output pipe (15) between the output end of the soft water output pipe (15) and the input end of the industrial water output pipe (13).

2. A cooling device based on a sleeve in a blast furnace according to claim 1, characterized in that, The industrial water input control valve (5) and the industrial water output control valve (11) are further included. The industrial water input control valve (5) is installed on the industrial water input pipe (6). The industrial water output control valve (11) is installed on the industrial water output pipe (13).

3. A cooling device based on a sleeve in a blast furnace according to claim 1, characterized in that, The backwater tank (12) is further included. The output end of the industrial water output pipe (13) is located in the backwater tank (12).

4. A cooling device based on a sleeve in a blast furnace according to claim 1, characterized in that The pressure detection pipe (8), the pressure gauge (7) and the pressure detection valve (9) are further included. The input end of the pressure detection pipe (8) is connected to the part of the soft water input pipe (4) between the output end of the industrial water input pipe (6) and the output end of the soft water input pipe (4). The pressure gauge (7) is installed on the output end of the pressure detection pipe (8). The pressure detection valve (9) is installed on the pressure detection pipe (8).

5. A cooling device based on a sleeve in a blast furnace according to claim 1, characterized in that, Both the soft water input control valve (3) and the soft water output control valve (14) are provided with a plurality of valves.

6. A cooling system based on a blast furnace jacket, comprising a blast furnace (16), a blast furnace jacket (10), a jacket water inlet ring (2) and a jacket water outlet ring (1), the blast furnace jacket (10) being installed in a tuyere of the blast furnace (16), the jacket water inlet ring (2) and the jacket water outlet ring (1) each being encircled outside the blast furnace (16), characterized in that, The cooling device based on the middle jacket of the blast furnace as claimed in any one of claims 1 to 5 is further included. The input end of the soft water input pipe (4) in the cooling device based on the middle jacket of the blast furnace is connected to the output end of the middle jacket water inlet ring pipe (2). The output end of the soft water input pipe (4) in the cooling device based on the middle jacket of the blast furnace is connected to the water inlet of the middle jacket (10). The input end of the soft water output pipe (15) in the cooling device based on the middle jacket of the blast furnace is connected to the water outlet of the middle jacket (10). The output end of the soft water output pipe (15) in the cooling device based on the middle jacket of the blast furnace is connected to the input end of the middle jacket water outlet ring pipe (1).

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