Fireproof sealing device for furnace top of hot blast furnace

Abstract

The utility model discloses a hot blast stove top fireproof sealing device which comprises a stove body, a hot air outlet is formed in the top end of the stove body, a first clay heat insulation brick layer is arranged at the top end of the hot air outlet, and a second clay heat insulation brick layer is arranged above the first clay heat insulation brick layer. A cavity is formed between the first clay heat insulation brick layer and the second clay heat insulation brick layer, a water pipe is arranged in the cavity, a water inlet pipe and a water outlet pipe are installed at the two ends of the water pipe correspondingly, a water pump is arranged on the outer side of a hot air outlet, and the water outlet end of the water pump communicates with the water inlet pipe. Splicing grooves are formed in the surfaces of the two sides of the first clay heat insulation brick layer and the surfaces of the two sides of the second clay heat insulation brick layer. According to the furnace top cooling device, water is pumped into the water inlet pipe through the water pump, flowing water flows through the water pipe and is finally discharged out of the water outlet pipe, the purpose of cooling the furnace top through the flowing water is achieved, the temperature of the furnace top is reduced, the possibility of fire disasters is reduced, the structure is simple, and cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot -blast stove equipment technical field especially relates to hot -blast stove furnace top fireproof sealing device. BACKGROUND

[0002] At present, the fuel of the existing hot -blast stove is mostly coal, and the top part needs to be in direct contact with hot air and high -temperature hot smoke discharged after combustion, because the temperature of the hot flue gas discharged after combustion is high, the top is in a high -temperature environment for a long time, and the high -temperature environment increases the possibility of fire.

[0003] The existing technology has the following problems:

[0004] After a large number of searches, the patent file with the application number CN201921465638.7 discloses a kind of gas hot -blast stove, however, the above-mentioned patent still has the problem needing in actual use, more obvious is that single glass fiber cotton is used to carry out heat insulation treatment to furnace top, and the heat insulation effect is not ideal, the top is in a high-temperature environment for a long time, and the high-temperature environment increases the possibility of fire.

[0005] Therefore, we propose a hot -blast stove furnace top fireproof sealing device to solve the above-mentioned drawbacks. INVENTION CONTENTS

[0006] The utility model discloses a hot -blast stove furnace top fireproof sealing device to solve the shortcomings in the prior art.

[0007] In order to achieve the above-mentioned purpose, the utility model discloses a hot -blast stove furnace top fireproof sealing device, including furnace body, the top of furnace body is provided with hot -blast outlet, and the top of hot -blast outlet is provided with first clay heat insulation brick layer, and the top of first clay heat insulation brick layer is provided with second clay heat insulation brick layer, the cavity is arranged between first clay heat insulation brick layer and second clay heat insulation brick layer, and the inside is provided with water pipe, and the both ends of water pipe are installed with inlet pipe and outlet pipe respectively, the outside of hot -blast outlet is provided with water pump, and the water outlet of water pump is connected with inlet pipe, the both side surfaces of first clay heat insulation brick layer and second clay heat insulation brick layer are all provided with splicing groove, and the both side surfaces of first clay heat insulation brick layer and second clay heat insulation brick layer are integrally provided with splicing block.

[0008] Preferably, the splicing block is used in cooperation with the splicing groove.

[0009] Preferably, the water pipe is distributed in the form of a snake between the first clay heat insulation brick layer and the second clay heat insulation brick layer.

[0010] Preferably, the length of the cavity is greater than the length of the water pipe.

[0011] Preferably, the outer side of the furnace body is provided with a single-chip microcomputer, and the single-chip microcomputer is electrically connected with the water pump.

[0012] Preferably, the water inlet end of the water pump is connected with an external water tank.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、The water pipe is arranged in the utility model, the water pump pumps water into the water inlet pipe, the flowing water flows through the water pipe and is finally discharged from the water outlet pipe, the flowing water is utilized to cool the furnace top, the temperature of the furnace top is reduced, the possibility of fire is reduced, and the structure is simple and the cost is low.

[0015] 2、The splicing groove and the splicing block are arranged in the utility model, the plurality of first clay insulating brick layers and the plurality of second clay insulating brick layers are spliced, installation is more convenient and flexible, and the design is more ingenious. BRIEF DESCRIPTION OF DRAWINGS

[0016] 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 embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the drawings for the ordinary skilled in the art without creating labor.

[0017] Figure 1 It is a structure schematic view of the hot blast stove furnace top fireproof sealing device provided by the utility model;

[0018] Figure 2 It is a structure schematic view of the second clay insulating brick layer;

[0019] Figure 3 It is a connection schematic view of the water pipe, the water outlet pipe and the water inlet pipe;

[0020] Figure 4 It is Figure 1 It is an enlarged schematic view of A in the middle;

[0021] Figure 5 It is a top view of the hot blast outlet.

[0022] LEGEND:

[0023] 1, furnace body;2, hot blast outlet;3, single-chip microcomputer;4, first clay insulating brick layer;5, second clay insulating brick layer;6, chamber;7, water pipe;8, water outlet pipe;9, water pump;10, water inlet pipe;11, splicing groove;12, splicing block. DETAILED DESCRIPTION

[0024] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] Please refer to Figures 1-5 , the hot blast furnace roof fireproof sealing device, including the furnace body 1, the top of the furnace body 1 is provided with hot blast outlet 2, and the top of the hot blast outlet 2 is provided with the first clay heat insulation brick layer 4, and the upper side of the first clay heat insulation brick layer 4 is provided with the second clay heat insulation brick layer 5, the first clay heat insulation brick layer 4 and the second clay heat insulation brick layer 5 are provided with the cavity 6, and the inside is provided with the water pipe 7, and the both ends of the water pipe 7 are respectively provided with the water inlet pipe 10 and the water outlet pipe 8, the outside of the hot blast outlet 2 is provided with the water pump 9, and the water outlet end of the water pump 9 is connected with the water inlet pipe 10, the both sides of the first clay heat insulation brick layer 4 and the second clay heat insulation brick layer 5 are provided with the splicing groove 11, and the both sides of the first clay heat insulation brick layer 4 and the second clay heat insulation brick layer 5 are integrally provided with the splicing block 12.

[0027] In use, the water pump 9 is connected to a water source, and the water pump 9 continuously pumps water into the water inlet pipe 10, the flowing water flows through the water pipe 7 and is finally discharged from the water outlet pipe 8, achieving the purpose of using flowing water to cool the furnace top, reducing the temperature of the furnace top and reducing the possibility of fire, and the structure is simple and the cost is low. Among them, by arranging the splicing groove 11 and the splicing block 12 on the plurality of first clay insulating brick layers 4 and the plurality of second clay insulating brick layers 5, it is convenient to splice the plurality of first clay insulating brick layers 4 and the plurality of second clay insulating brick layers 5, and the installation is more flexible and the design is more ingenious.

[0028] In the embodiment, the splicing block 12 is used in cooperation with the splicing groove 11.

[0029] Specifically, it is convenient to splice the first clay insulating brick layer 4 and the second clay insulating brick layer 5 for use, and the assembly is more convenient.

[0030] In the embodiment, the water pipe 7 is distributed in a serpentine shape between the first clay insulating brick layer 4 and the second clay insulating brick layer 5.

[0031] Specifically, the time of water in the water pipe 7 is prolonged, and the cooling effect is improved, and the possibility of high temperature of the furnace top is reduced.

[0032] In the embodiment, the length of the chamber 6 is greater than the length of the water pipe 7.

[0033] Specifically, the water pipe 7 can be arranged in the chamber 6 for use.

[0034] In the embodiment, the single-chip microcomputer 3 is arranged on the outside of the furnace body 1, and the single-chip microcomputer 3 is electrically connected with the water pump 9.

[0035] Specifically, it is a common circuit connection structure, which is common for those skilled in the art, and will not be described in detail here.

[0036] In the embodiment, the water inlet end of the water pump 9 is connected with an external water tank.

[0037] Specifically, water can be pumped into the water pipe 7 to cool the furnace top.

[0038] In the embodiment, the single-chip microcomputer 3 is a known structure, and the control circuit can be realized by simple programming by those skilled in the art, which is common knowledge in the art. Only its use is described, without modification, so the control method and circuit connection will not be described in detail.

[0039] Working principle: when in use, the water pump 9 is connected to the water source, the water pump 9 pumps water into the water inlet pipe 10, the flowing water flows through the water pipe 7 and finally flows out of the water outlet pipe 8, achieving the purpose of using flowing water to cool the furnace top, reducing the temperature of the furnace top and reducing the possibility of fire, and the structure is simple, the cost is low, and the plurality of first clay heat insulation bricks 4 and the plurality of second clay heat insulation bricks 5 are spliced by the splicing groove 11 and the splicing block 12, which is convenient and flexible for splicing the plurality of first clay heat insulation bricks 4 and the plurality of second clay heat insulation bricks 5, and the design is more ingenious.

[0040] It should be noted that the model and specification of the single-chip microcomputer 3 and the water pump 9 need to be determined according to the actual specifications of the device, and the specific selection calculation method uses existing technology in the art, so it is not described in detail.

[0041] The power supply and principle of the single-chip microcomputer 3 and the water pump 9 are clear to those skilled in the art, and will not be described in detail here.

[0042] It is worth noting that the single-chip microcomputer 3 disclosed in the above embodiments can use MCS-51, and the single-chip microcomputer 3 controls the water pump 9 to work using the method commonly used in the existing technology.

[0043] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A fireproof sealing device for the top of a hot blast stove, comprising a stove body (1), characterized in that, The top end of the furnace body (1) is provided with a hot air outlet (2), the top end of the hot air outlet (2) is provided with a first clay heat insulation brick layer (4), the upper side of the first clay heat insulation brick layer (4) is provided with a second clay heat insulation brick layer (5), a cavity (6) is arranged between the first clay heat insulation brick layer (4) and the second clay heat insulation brick layer (5), the cavity (6) is internally provided with a water pipe (7), the two ends of the water pipe (7) are respectively provided with a water inlet pipe (10) and a water outlet pipe (8), the outer side of the hot air outlet (2) is provided with a water pump (9), the water outlet end of the water pump (9) is communicated with the water inlet pipe (10), the two side surfaces of the first clay heat insulation brick layer (4) and the second clay heat insulation brick layer (5) are both provided with a splicing groove (11), and the two side surfaces of the first clay heat insulation brick layer (4) and the second clay heat insulation brick layer (5) are integrally provided with a splicing block (12).

2. The top seal of the hot blast stove according to claim 1, characterized in that The splicing block (12) is matched with the splicing groove (11).

3. The top seal of the hot blast stove according to claim 1, characterized in that The water pipe (7) is distributed in a snake shape between the first clay heat insulation brick layer (4) and the second clay heat insulation brick layer (5).

4. The top seal of the hot blast stove according to claim 1, characterized in that The length of the cavity (6) is greater than the length of the water pipe (7).

5. The top seal of the hot blast stove according to claim 1, characterized in that The outer side of the furnace body (1) is provided with a single-chip microcomputer (3), and the single-chip microcomputer (3) is electrically connected with the water pump (9).

6. The top seal of a hot blast stove according to claim 1, characterized in that The water inlet end of the water pump (9) is communicated with an external water tank.

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