Blast furnace slurry storage device with slurry heat preservation function

Abstract

The blast furnace slurry storage device with the slurry heat preservation function comprises a heat preservation cylinder and a heat preservation cavity installed at the bottom of the heat preservation cylinder, the heat preservation cylinder and the heat preservation cavity are separated through a heat conduction plate, and a plurality of inverted-U-shaped heat conduction pipes are fixed to the heat conduction plate at equal intervals. A liquid inlet control plate is arranged at a liquid inlet of the inverted-U-shaped heat conduction pipe in the heat conduction plate, the bottom end of the liquid inlet control plate extends into the heat preservation cavity, a circulating pump is fixed to the bottom end of the liquid inlet control plate, an electric heating ring is installed on the inner bottom face of the heat preservation cavity, and circulating water is contained in the heat preservation cavity. The inverted-U-shaped heat conduction pipes are fixed on the heat conduction plate at equal intervals, the trend of the inverted-U-shaped heat conduction pipes is parallel to the long axis direction of the heat preservation cylinder, and when circulating water in the heat preservation cavity passes through the inverted-U-shaped heat conduction pipes, heat can be transmitted into the inner cavity area of the heat preservation cylinder through the inverted-U-shaped heat conduction pipes. Therefore, the phenomenon that the internal temperature is not uniform in the slurry storage process can be avoided, and the slurry storage quality is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of slurry storage devices, and in particular relates to a blast furnace slurry storage device with a slurry heat preservation function. Background Art

[0002] The service life of a blast furnace is determined by the service life of the furnace hearth. The longevity maintenance of the blast furnace hearth is the top priority of daily work, and daily grouting is one of the main means of longevity maintenance of the furnace hearth. Due to the physical properties of the grouting material, the grouting material needs to be heated before grouting. It needs to be heated to 80℃-100℃ before it can be normally pressed into the grouting hole. The grouting material can be steam-heated the day before grouting, but during the grouting process, due to the different feeding conditions of the grouting holes, the temperature of the grouting material will drop, thus affecting the progress of grouting, especially in winter, when the ambient temperature is low, it is more necessary to have substantial insulation measures for the grouting material.

[0003] Most construction projects have no steam available on site or the steam pressure does not meet the available requirements. During grouting, the grouting material is not heated properly or the temperature of the grouting material drops during short storage, which will cause the grouting material to fail to reach the inside of the blast furnace in time, resulting in the failure to deal with the blast furnace hearth problems in time, which may cause major safety hazards in production. At the same time, it wastes manpower and material resources and has low construction efficiency.

[0004] Based on this, a blast furnace slurry storage device with slurry insulation function is proposed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a blast furnace slurry storage device with slurry insulation function in view of the deficiencies of the above-mentioned prior art, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: a blast furnace slurry storage device with slurry insulation function, comprising an insulation tube and an insulation cavity installed at the bottom of the insulation tube, wherein the insulation tube and the insulation cavity are separated by a heat conduction plate;

[0007] A plurality of inverted U-shaped heat conducting tubes are fixed at equal intervals on the heat conducting plate, a liquid inlet control plate is arranged at the liquid inlet of the inverted U-shaped heat conducting tube in the heat conducting plate, and a liquid outlet control plate is arranged at the liquid outlet of the inverted U-shaped heat conducting tube in the heat conducting plate, and the liquid inlet control plate and the liquid outlet control plate are both provided with liquid delivery ports of the same number as the inverted U-shaped heat conducting tubes, and an electric control valve plate is fixed in each of the liquid delivery ports;

[0008] The bottom end of the liquid inlet control plate extends into the heat preservation chamber, and a circulation pump is fixed at the bottom end of the liquid inlet control plate, the liquid inlet pipe of the circulation pump extends to the bottom surface of the heat preservation chamber, the liquid outlet pipe of the circulation pump is connected to a multi-way pipe, and the liquid outlet ends of the multi-way pipe are respectively connected to the liquid delivery ports where the liquid inlets of the inverted U-shaped heat conduction pipes are located;

[0009] An electric heating ring is installed on the bottom surface of the heat preservation chamber, circulating water is placed in the heat preservation chamber, and a plurality of pressure relief valves are installed near the top of the heat preservation chamber.

[0010] As a further description of the present invention, a plurality of the inverted U-shaped heat conducting pipes are arranged parallel to each other, and a smooth high temperature resistant and anti-corrosion coating is coated on the outer sides of the inverted U-shaped heat conducting pipes.

[0011] As a further description of the present invention, the control switch and the electric control valve plate of the circulation pump are respectively connected to an external controller, and a plurality of temperature probes are installed in the insulation cylinder, and the signal output ends of the temperature probes are also respectively connected to the controller.

[0012] As a further description of the present invention, a plurality of support blocks are fixed to the outer bottom surface of the heat preservation chamber, and the bottom surfaces of the support blocks are provided with anti-slip grooves.

[0013] As a further description of the present invention, the volume of the circulating water is set between 2 / 5 and 4 / 5 of the volume of the insulation chamber, and a filter head is installed at the bottom end of the liquid inlet pipe.

[0014] As a further description of the present invention, a heat-insulating layer is adhered to the outer side of the heat-insulating cylinder, and a heat-insulating cover plate is clamped to the top opening of the heat-insulating cylinder.

[0015] As a further description of the present invention, a first handle is installed on the top surface of the thermal insulation cover plate, and second handles are installed on both outer sides of the short axis of the thermal insulation tube near the top end.

[0016] As a further description of the present invention, the direction of the inverted U-shaped heat conducting pipe is parallel to the long axis direction of the heat preservation tube.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] 1. The utility model has an insulation layer attached to the outer side of the insulation tube, and the insulation performance of the insulation tube can be improved through the insulation layer. The top opening of the insulation tube is also clamped with an insulation cover plate, and the slurry can be put in and taken out for use through the opening. The heat dissipation of the top of the slurry in the insulation tube can be reduced by the insulation cover plate. A plurality of inverted U-shaped heat-conducting pipes are fixed on the heat-conducting plate at equal intervals. The direction of the inverted U-shaped heat-conducting pipe is parallel to the long axis direction of the insulation tube. The plurality of inverted U-shaped heat-conducting pipes are arranged parallel to each other, and a smooth high-temperature resistant anti-corrosion coating is coated on the outer side of the inverted U-shaped heat-conducting pipe, which can improve the service life of the inverted U-shaped heat-conducting pipe. When the circulating water in the insulation cavity passes through the inverted U-shaped heat-conducting pipe, the heat can be transferred to the inner cavity area of ​​the insulation tube through the inverted U-shaped heat-conducting pipe, thereby avoiding the occurrence of uneven internal temperature during the slurry storage process and improving the slurry storage quality.

[0019] 2. In the heat conduction plate of the utility model, a liquid inlet control board is arranged at the liquid inlet of the inverted U-shaped heat conduction tube, and a liquid outlet control board is arranged at the liquid outlet of the inverted U-shaped heat conduction tube. The liquid inlet control board and the liquid outlet control board are provided with liquid delivery ports of the same number as the inverted U-shaped heat conduction tube, and an electric control valve board is fixed in each liquid delivery port. The control switch of the circulation pump and the electric control valve board are respectively connected to the external controller by signal. A plurality of temperature probes are also installed in the heat preservation tube, and the signal output ends of the temperature probes are also respectively connected to the controller by signal. When the temperature probes are used, When the head detects that the temperature in the area is lowering, the electric control valve plates on the liquid inlet control plate and the liquid outlet control plate where the inverted U-shaped heat pipe corresponding to the area are located are opened, and then the circulation pump is started to send the hot water in the insulation cavity to the inverted U-shaped heat pipe to increase the temperature of the area. When the temperature reaches the set temperature, the electric control valve plate on the liquid outlet control plate is closed first, and then the electric control valve plate on the liquid inlet control plate is closed, and finally the circulation pump is stopped, so that the hot water can be stored in the inverted U-shaped heat pipe, thereby improving the insulation performance in the inner cavity area of ​​the insulation cylinder, which is economical and practical.

[0020] 3. The bottom end of the liquid inlet control board of the utility model extends into the heat preservation chamber, and a circulating pump is fixed at the bottom end of the liquid inlet control board. The liquid inlet pipe of the circulating pump extends to the bottom surface of the heat preservation chamber. A filter head is installed at the bottom end of the liquid inlet pipe. The circulating water can enter the circulating pump through the liquid inlet pipe for circulation, and can be filtered through the filter head at the same time, thereby improving the service life of the circulating water. An electric heating ring is installed on the bottom surface of the heat preservation chamber, and circulating water is placed in the heat preservation chamber. A plurality of pressure relief valves are also installed near the top of the heat preservation chamber, which can timely release the vapor pressure generated by the increase in water temperature, thereby improving the stability of the equipment.

[0021] 4. The outer bottom surface of the heat preservation chamber of the utility model is fixed with a plurality of support blocks, and the bottom surface of the support blocks is provided with anti-slip grooves. The support blocks can be used to stably place the entire device and to protect the outer side of the heat preservation chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a sectional view of the overall structure of the utility model;

[0023] Figure 2 It is a top view of the overall structure of the utility model.

[0024] Description of reference numerals:

[0025] 1-insulation cylinder; 11-insulation layer; 12-insulation cover; 13-first handle; 14-second handle; 2-insulation chamber; 21-circulating water; 3-heat conduction plate; 4-inverted U-shaped heat conduction pipe; 41-liquid inlet control board; 42-liquid outlet control board; 43-circulating pump; 44-liquid inlet pipe; 5-electric heating coil; 6-circulating water. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figure 1 and Figure 2 As shown, the utility model provides a technical solution: a blast furnace slurry storage device with slurry insulation function, comprising an insulation tube 1 and an insulation cavity 2 installed at the bottom of the insulation tube 1, wherein the insulation tube 1 and the insulation cavity 2 are separated by a heat conducting plate 3, and the heat in the insulation cavity 2 can be conducted to the insulation tube 1 through the heat conducting plate 3, thereby completing the insulation operation of the slurry in the insulation tube 1.

[0028] An insulation layer 11 is pasted on the outside of the insulation tube 1, and the insulation layer 11 can improve the insulation performance of the insulation tube 1. The top opening of the insulation tube 1 is also clamped with an insulation cover 12, and the slurry can be put in and out through the opening. The insulation cover 12 can reduce the dissipation of heat from the top of the slurry in the insulation tube 1, thereby further improving the insulation performance of the insulation tube 1.

[0029] A first handle 13 is installed on the top surface of the insulation cover 12, and second handles 14 are installed on both outer sides of the short axis of the insulation tube 1 near the top. The insulation cover 12 can be taken by the first handle 13, and the insulation tube 1 can be moved or tilted by the second handle 14 to facilitate the pouring of the slurry.

[0030] A plurality of inverted U-shaped heat conducting tubes 4 are fixed on the heat conducting plate 3 at equal intervals. The direction of the inverted U-shaped heat conducting tubes 4 is parallel to the long axis direction of the heat preservation tube 1. The plurality of inverted U-shaped heat conducting tubes 4 are arranged in parallel with each other, and a smooth high-temperature resistant and anti-corrosion coating is coated on the outer side of the inverted U-shaped heat conducting tube 4, which can improve the service life of the inverted U-shaped heat conducting tube 4. When the circulating water 6 in the heat preservation chamber 2 passes through the inverted U-shaped heat conducting tube 4, the heat can be transferred to the inner cavity area of ​​the heat preservation tube 1 through the inverted U-shaped heat conducting tube, thereby avoiding the occurrence of uneven internal temperature during the slurry storage process and improving the slurry storage quality.

[0031] A liquid inlet control board 41 is provided at the liquid inlet of the inverted U-shaped heat conducting tube 4 in the heat conducting plate 3, and a liquid outlet control board 42 is provided at the liquid outlet of the inverted U-shaped heat conducting tube 4 in the heat conducting plate 3. The liquid inlet control board 41 and the liquid outlet control board 42 are provided with the same number of liquid delivery ports as the inverted U-shaped heat conducting tube 4, and an electric control valve board is fixed in each of the liquid delivery ports. The control switch and the electric control valve board of the circulating pump 43 are respectively connected to an external controller by signal. A plurality of temperature probes are also installed in the heat preservation tube 1, and the signal output ends of the temperature probes are also respectively connected to the controller by signal.

[0032] During specific use, when the temperature probe detects that the temperature in the area is lowered, the electrically controlled valve plates on the liquid inlet control board 41 and the liquid outlet control board 42 where the inverted U-shaped heat pipe 4 corresponding to the area is located are opened, and then the circulation pump 43 is started to send the hot water in the insulation chamber 2 to the inverted U-shaped heat pipe 4 to increase the temperature of the area. When the temperature reaches the set temperature, the electrically controlled valve plate on the liquid outlet control board 42 is closed first, and then the electrically controlled valve plate on the liquid inlet control board 41 is closed, and finally the circulation pump 43 is stopped, so that the hot water can be stored in the inverted U-shaped heat pipe 4, thereby improving the insulation performance in the inner cavity area of ​​the insulation tube 1, which is economical and practical.

[0033] The bottom end of the liquid inlet control board 41 extends into the heat preservation chamber 2, and a circulating pump 43 is fixed at the bottom end of the liquid inlet control board 41. The liquid inlet pipe 44 of the circulating pump 43 extends to the bottom surface of the heat preservation chamber 2, and a filter head is installed at the bottom end of the liquid inlet pipe 44. The circulating water 6 can enter the circulating pump 43 through the liquid inlet pipe 44 for circulation, and at the same time, the circulating water 6 can be filtered through the filter head, thereby improving the service life of the circulating water 6.

[0034] The liquid outlet pipe of the circulation pump 43 is connected to a multi-way pipe, and the liquid outlet ends of the multi-way pipe are respectively connected to the liquid delivery ports where the liquid inlets of the inverted U-shaped heat conducting pipe 4 are located, so that the independent circulation water supply control of each inverted U-shaped heat conducting pipe 4 can be completed through the circulation pump 43, which is convenient and practical.

[0035] An electric heating coil 5 is installed on the bottom surface of the insulation chamber 2. Circulating water 6 is placed in the insulation chamber 2. The electric heating coil 5 can complete the heating and insulation operation of the circulating water 6. The volume of the circulating water 6 is set between 2 / 5-4 / 5 of the volume of the insulation chamber 2, which can avoid affecting the stability of the equipment when the temperature of the circulating water 6 rises. A plurality of pressure relief valves 22 are also installed near the top of the insulation chamber 2, which can timely release the vapor pressure generated by the increased water temperature, thereby improving the stability of the equipment.

[0036] A plurality of support blocks 21 are fixed to the outer bottom surface of the heat preservation chamber 2. The bottom surface of the support blocks 21 is provided with anti-slip grooves. The support blocks 21 can be used to stably place the entire device and protect the outer side of the heat preservation chamber 2.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blast furnace slurry storage device with slurry insulation function, characterized in that: It comprises a heat-insulating cylinder (1) and a heat-insulating cavity (2) installed at the bottom of the heat-insulating cylinder (1), wherein the heat-insulating cylinder (1) and the heat-insulating cavity (2) are separated by a heat-conducting plate (3); A plurality of inverted U-shaped heat conducting tubes (4) are fixed at equal intervals on the heat conducting plate (3); a liquid inlet control plate (41) is arranged at the liquid inlet of the inverted U-shaped heat conducting tube (4) in the heat conducting plate (3); a liquid outlet control plate (42) is arranged at the liquid outlet of the inverted U-shaped heat conducting tube (4) in the heat conducting plate (3); the liquid inlet control plate (41) and the liquid outlet control plate (42) are both provided with liquid delivery ports of the same number as the inverted U-shaped heat conducting tube (4); and an electric control valve plate is fixed in each of the liquid delivery ports; The bottom end of the liquid inlet control plate (41) extends into the heat preservation chamber (2), and a circulation pump (43) is fixed to the bottom end of the liquid inlet control plate (41), the liquid inlet pipe (44) of the circulation pump (43) extends to the inner bottom surface of the heat preservation chamber (2), the liquid outlet pipe of the circulation pump (43) is connected to a multi-way pipe, and the liquid outlet ends of the multi-way pipe are respectively connected to the liquid delivery ports where the liquid inlets of the inverted U-shaped heat conducting pipes (4) are located; An electric heating coil (5) is installed on the inner bottom surface of the heat preservation chamber (2), circulating water (6) is placed in the heat preservation chamber (2), and a plurality of pressure relief valves (22) are also installed near the top of the heat preservation chamber (2).

2. A blast furnace slurry storage device with slurry heat preservation function according to claim 1, characterized in that: The plurality of inverted U-shaped heat conducting pipes (4) are arranged parallel to each other, and a smooth high-temperature resistant and anti-corrosion coating is coated on the outer sides of the inverted U-shaped heat conducting pipes (4).

3. The blast furnace slurry storage device with slurry heat preservation function according to claim 1, characterized in that: The control switch and the electric control valve plate of the circulation pump (43) are respectively connected to an external controller via signals. A plurality of temperature probes are also installed in the heat preservation cylinder (1), and the signal output ends of the temperature probes are also respectively connected to the controller via signals.

4. The blast furnace slurry storage device with slurry heat preservation function according to claim 1, characterized in that: A plurality of support blocks (21) are fixed to the outer bottom surface of the heat preservation cavity (2), and the bottom surfaces of the support blocks (21) are provided with anti-slip grooves.

5. The blast furnace slurry storage device with slurry heat preservation function according to claim 1, characterized in that: The volume of the circulating water (6) is set between 2 / 5 and 4 / 5 of the volume of the heat preservation chamber (2), and a filter head is installed at the bottom end of the liquid inlet pipe (44).

6. The blast furnace slurry storage device with slurry heat preservation function according to claim 1, characterized in that: A heat-insulating layer (11) is adhered to the outside of the heat-insulating cylinder (1), and a heat-insulating cover plate (12) is also clamped to the top opening of the heat-insulating cylinder (1).

7. A blast furnace slurry storage device with slurry heat preservation function according to claim 6, characterized in that: A first handle (13) is installed on the top surface of the thermal insulation cover plate (12), and second handles (14) are installed on both outer sides of the short axis of the thermal insulation cylinder (1) near the top end.

8. The blast furnace slurry storage device with slurry heat preservation function according to claim 1, characterized in that: The direction of the inverted U-shaped heat conducting pipe (4) is parallel to the long axis direction of the heat insulation cylinder (1).

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