Blast furnace rear water treatment device

Abstract

The utility model relates to the technical field of ferrous metallurgy, in particular to a blast furnace after-furnace water treatment device. According to the technical scheme, the device comprises a box body, an embedding box and a flow dividing box, a water storage box is fixed to the bottom end in the box body, a standby box is fixed to an opening of the box body, a pump body is fixed to one side of the upper end of the standby box, a liquid outlet of the pump body communicates with the water storage box through a guide pipe, and the flow dividing box is fixed to the lower end in the box body; a two-way valve pipe is arranged in the middle of the flow dividing box, the two ends of the two-way valve pipe are communicated with the interior of the standby box and the interior of the water storage box respectively, the embedded box is installed at the top end of the interior of the box body in an embedded mode, a cooling coil pipe is arranged between the embedded box and the flow dividing box, heat dissipation boxes are fixed to the two sides of the box body, and air outlet boxes are installed on the two sides of the box body in an embedded mode. The cooling device is provided with a standby water supply mechanism, so that normal supply of cooling water and dual-channel heat dissipation are ensured, and the cooling quality of the cooling water is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of iron and steel metallurgy, in particular to a blast furnace post-water treatment device. Background Art

[0002] The iron and steel metallurgical industry has always been one of the pillar industries of the national economy and plays an important role in the country's industrialization and modernization process. In the steel production process, the blast furnace is one of the key equipment, and its normal operation is crucial to maintaining the supply of steel.

[0003] During the blast furnace production process, the blast furnace airtight box uses clean circulating water for circulating cooling to maintain the stability of the internal temperature of the blast furnace and ensure the continuous progress of the smelting process. However, if the clean circulating water supply stops abnormally, the blast furnace airtight box will not be able to obtain sufficient cooling water, which will cause the blast furnace to be unable to produce normally. The existing equipment cannot solve the inconvenience caused by the above situation; and the existing equipment is not convenient for dual-channel cooling according to the temperature of the cooling water during use, and cannot ensure the efficient heat dissipation of the coolant. Utility Model Content

[0004] The purpose of the utility model is to provide a blast furnace post-water treatment device with a backup water supply mechanism to ensure the normal supply of cooling water and dual-path heat dissipation, ensure the advantages of cooling water cooling quality, and solve the problems in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a blast furnace post-water treatment device, comprising a box body, an embedded box and a diverter box, a water storage tank is fixed at the inner bottom end of the box body, a standby tank is fixed at the opening of the box body, a pump body is fixed to one side of the upper end of the standby tank, and the liquid outlet of the pump body is connected to the water storage tank through a conduit, the diverter box is fixed to the inner lower end of the box body, a two-way valve pipe is provided in the middle of the diverter box, and the two ends of the two-way valve pipe are respectively connected to the standby tank and the inside of the water storage tank, the embedded box is embedded and installed at the inner top end of the box body, and a cooling coil is provided between the embedded box and the diverter box, heat dissipation boxes are fixed on both sides of the box body, and air outlet boxes are embedded and installed on both sides of the box body.

[0006] When using a blast furnace post-furnace water treatment device in the technical solution, the liquid outlet pipe is used to supply water to the blast furnace airtight box, the reflux pipe allows the cooling water in the blast furnace airtight box to reflux, the cooling water in the water storage tank is transported by the liquid outlet pump and discharged from the liquid outlet pipe into the blast furnace airtight box, the cooling water refluxed by the reflux pipe is introduced into the embedded box, and then introduced into the cooling coil, the built-in fan of the heat dissipation box is started, the outside air is introduced through the protective net, the air enters the air outlet box through the convection pipe, and the air in the air outlet box is directly blown onto the cooling coil, so as to quickly realize the cooling of the cooling water in the cooling coil. The cooling water is introduced into the diversion box after passing through the cooling coil, and then introduced into the water tank through the two-way valve pipe to realize circulation. If the internal passage is blocked and normal circulation cannot be completed, start the pump body on the upper side of the standby tank, and inject the built-in cooling water into the water tank through the conduit to complete the cooling water replenishment and realize normal cooling operation. During use, the built-in ball valve in the two-way valve pipe can be opened to change the passage, so that the cooling water inside the diversion box is guided into the standby tank, and then the heat sink on the standby tank is used for secondary cooling and heat dissipation to ensure the quality of the cooling water.

[0007] Preferably, a foot pad is fixed on the outer side of the lower end surface of the box, and a total of four foot pads are provided, and the four foot pads are arranged in an array, and an anti-skid pad is fixed on the lower end of the foot pad. The box is placed and supported by the foot pad, and the anti-skid pad increases friction and ensures the stability of support.

[0008] Preferably, a heat sink is embedded in the front end of the standby tank, and the liquid extraction pipe of the pump body is connected to the inner bottom of the standby tank. The heat sink is used to achieve conductive physical cooling of the coolant in the standby tank, and the pump body extracts cooling water in the standby tank through the liquid extraction pipe.

[0009] Preferably, the embedded box and the diverter box are located between the standby box and the water storage tank, and the two ends of the cooling coil respectively penetrate and connect the embedded box and the diverter box. The cooling water entering the embedded box is introduced into the cooling coil to achieve cooling, and then introduced into the diverter box.

[0010] Preferably, a liquid outlet pipe is installed through the rear side of the upper end surface of the box body, and the liquid outlet pipe is connected to the inside of the water storage tank, and a return pipe is installed through the upper end surface of the embedded box. The cooling water in the water storage tank is discharged outward through the liquid outlet pipe in conjunction with the liquid outlet pump, and the return pipe guides the refluxed cooling water into the embedded box.

[0011] Preferably, the opening of the air outlet box corresponds to the cooling coil, and the air outlet box is connected to the heat dissipation box through a convection tube. The airflow discharged from the air outlet box physically cools the cooling coil.

[0012] Preferably, a protective net is provided at the outer opening of the heat dissipation box, and a fan is built in the heat dissipation box. The built-in fan draws outside air into the heat dissipation box through the protective net.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the operator starts the device through an external control device when powered by an external power supply, and the liquid outlet pipe supplies water to the blast furnace airtight box, the reflux pipe refluxes the cooling water in the blast furnace airtight box, the cooling water in the water storage tank is transported by the liquid outlet pump and discharged from the liquid outlet pipe into the airtight box of the blast furnace, the cooling water refluxed by the reflux pipe is introduced into the embedded box, and then introduced into the cooling coil, the built-in fan of the heat dissipation box is started, the outside air is introduced through the protective net, the air enters the air outlet box through the convection pipe, the air in the air outlet box directly blows the cooling coil, and the cooling water in the cooling coil is quickly cooled, and the cooling water is introduced into the diversion box after passing through the cooling coil, and then introduced through the two-way valve pipe Circulation is achieved in the water storage tank. If the internal passage is blocked and normal circulation cannot be completed, the pump body on the upper side of the standby tank is started to inject the built-in cooling water into the water storage tank through the conduit to complete the cooling water replenishment and achieve normal cooling operation. During use, the built-in ball valve in the two-way valve pipe can be opened to change the passage so that the cooling water inside the diverter box is guided to the standby tank, and then the heat sink on the standby tank is used for secondary cooling and heat dissipation to ensure the quality of the cooling water. The device has a simple structure and is easy to operate. Through the self-contained water replenishment mechanism, the cooling mechanism shutdown caused by the closure of the internal passage and the inability to complete the circulation is avoided. At the same time, the dual-path cooling channel can achieve efficient cooling of the cooling water to ensure the normal operation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the box structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the water storage tank of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the heat dissipation box of the utility model.

[0018] In the figure: 1. liquid outlet pipe; 2. box body; 3. heat sink box; 4. air outlet box; 5. spare box; 6. heat sink; 7. foot pad; 8. pump body; 9. conduit; 10. embedded box; 11. return pipe; 12. diverter box; 13. two-way valve pipe; 14. water storage tank; 15. convection pipe; 16. protective net; 17. cooling coil. DETAILED DESCRIPTION

[0019] 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.

[0020] Embodiment 1

[0021] See also Figures 1 to 4 The utility model provides an embodiment: a blast furnace post-water treatment device, including a box body 2, an embedded box 10 and a diverter box 12, a water storage tank 14 is fixed to the bottom end of the inner part of the box body 2, a spare box 5 is fixed at the opening of the box body 2, a pump body 8 is fixed to one side of the upper end of the spare box 5, and the liquid outlet of the pump body 8 is connected to the water storage tank 14 through a conduit 9, and the diverter box 12 is fixed to the lower end of the inner part of the box body 2.

[0022] Furthermore,

[0023] A foot pad 7 is fixed to the outer side of the lower end surface of the box body 2. There are four foot pads 7 in total, and the four foot pads 7 are distributed in an array. An anti-skid pad is fixed to the lower end of the foot pad 7. The box body 2 is placed and supported by the foot pad 7. The anti-skid pad increases friction and ensures the stability of support.

[0024] Furthermore,

[0025] A heat sink 6 is embedded in the front end surface of the standby tank 5, and a liquid extraction pipe of the pump body 8 is connected to the inner bottom end of the standby tank 5. The heat sink 6 is used to achieve conductive physical cooling of the coolant in the standby tank 5, and the pump body 8 extracts cooling water from the standby tank 5 through the liquid extraction pipe.

[0026] Furthermore,

[0027] The embedded box 10 and the diverter box 12 are located between the standby box 5 and the water storage tank 14 , and the two ends of the cooling coil 17 respectively penetrate and connect the embedded box 10 and the diverter box 12 . The cooling water entering the embedded box 10 is introduced into the cooling coil 17 to achieve cooling, and then introduced into the diverter box 12 .

[0028] Embodiment 2

[0029] See also Figures 1 to 4 The utility model provides an embodiment: a blast furnace post-water treatment device, including a box body 2, an embedded box 10 and a diverter box 12, a two-way valve pipe 13 is provided in the middle of the diverter box 12, and the two ends of the two-way valve pipe 13 are respectively connected to the inside of the standby box 5 and the water storage tank 14, the embedded box 10 is embedded and installed at the top of the inner part of the box body 2, and a cooling coil 17 is provided between the embedded box 10 and the diverter box 12, heat dissipation boxes 3 are fixed on both sides of the box body 2, and air outlet boxes 4 are embedded and installed on both sides of the box body 2.

[0030] Furthermore,

[0031] A liquid outlet pipe 1 is installed through the rear side of the upper end surface of the box body 2, and the liquid outlet pipe 1 is connected to the inside of the water storage tank 14. A return pipe 11 is installed through the upper end surface of the embedded box 10. The cooling water in the water storage tank 14 is discharged outward through the liquid outlet pipe 1 in conjunction with the liquid outlet pump, and the return pipe 11 guides the refluxed cooling water into the embedded box 10.

[0032] Furthermore,

[0033] The opening of the air outlet box 4 corresponds to the cooling coil 17 . The air outlet box 4 is connected to the heat dissipation box 3 through the convection tube 15 . The airflow discharged from the air outlet box 4 physically cools the cooling coil 17 .

[0034] Furthermore,

[0035] A protective net 16 is provided at the outer opening of the heat dissipation box 3 . A fan is built in the heat dissipation box 3 , and the external air is sucked into the heat dissipation box 3 through the protective net 16 by the built-in fan.

[0036] During the operation of the utility model, the external power supply is used, and the operator starts the device through the external control device, and the liquid outlet pipe 1 supplies water to the blast furnace airtight box, and the reflux pipe 11 refluxes the cooling water in the blast furnace airtight box, and the cooling water in the water storage tank 14 is transported from the liquid outlet pipe 1 to the airtight box of the blast furnace through the liquid outlet pump, and the cooling water refluxed by the reflux pipe 11 is introduced into the embedded box 10, and then introduced into the cooling coil 17, and the built-in fan of the heat dissipation box 3 is started, and the outside air is introduced through the protective net 16, and the air enters the air outlet box 4 through the convection pipe 15, and the air in the air outlet box 4 directly blows the cooling coil 17, so that the cooling coil 1 is quickly realized. 7, the cooling water is introduced into the diverter box 12 after passing through the cooling coil 17, and then introduced into the water storage tank 14 through the two-way valve tube 13 to realize circulation. If the internal passage is blocked and normal circulation cannot be completed, the pump body 8 on the upper side of the spare box 5 is started, and the built-in cooling water is injected into the water storage tank 14 through the conduit 9 to complete the cooling water replenishment and realize normal cooling operation. During use, the built-in ball valve of the two-way valve tube 13 can be opened to change the passage, so that the cooling water inside the diverter box 12 is guided to the spare box 5, and then the heat sink 6 on the spare box 5 is used for secondary cooling and heat dissipation to ensure the quality of the cooling water.

[0037] 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 post-water treatment device, comprising a housing (2), an embedding box (10) and a diversion box (12), characterized in that: A water storage tank (14) is fixed to the bottom end of the box body (2), a standby box (5) is fixed to the opening of the box body (2), a pump body (8) is fixed to one side of the upper end of the standby box (5), and the liquid outlet of the pump body (8) is connected to the water storage tank (14) through a conduit (9), the diversion box (12) is fixed to the lower end of the box body (2), a two-way valve pipe (13) is provided in the middle of the diversion box (12), and the two ends of the two-way valve pipe (13) are respectively connected to the inside of the standby box (5) and the water storage tank (14), the embedded box (10) is embedded and installed at the top end of the box body (2), and a cooling coil (17) is provided between the embedded box (10) and the diversion box (12), heat dissipation boxes (3) are fixed to both sides of the box body (2), and air outlet boxes (4) are embedded and installed on both sides of the box body (2).

2. A blast furnace post-water treatment device according to claim 1, characterized in that: A foot pad (7) is fixed to the outer side of the lower end surface of the box body (2), and a total of four foot pads (7) are provided, and the four foot pads (7) are distributed in an array, and an anti-slip pad is fixed to the lower end of the foot pad (7).

3. A blast furnace post-water treatment device according to claim 1, characterized in that: A heat sink (6) is embedded and installed on the front end surface of the standby box (5), and the liquid intake pipe of the pump body (8) is connected to the inner bottom end of the standby box (5).

4. A blast furnace post-water treatment device according to claim 1, characterized in that: The embedded box (10) and the diverter box (12) are located between the standby box (5) and the water storage tank (14), and the two ends of the cooling coil (17) respectively penetrate and communicate with the inside of the embedded box (10) and the diverter box (12).

5. A blast furnace post-water treatment device according to claim 1, characterized in that: A liquid outlet pipe (1) is installed through the rear side of the upper end surface of the box body (2), and the liquid outlet pipe (1) is connected to the inside of the water storage tank (14). A return pipe (11) is installed through the upper end surface of the embedded box (10).

6. A blast furnace post-water treatment device according to claim 1, characterized in that: The opening of the air outlet box (4) corresponds to the cooling coil (17), and the air outlet box (4) is connected to the heat dissipation box (3) via a convection tube (15).

7. A blast furnace post-water treatment device according to claim 1, characterized in that: A protective net (16) is provided at the outer opening of the heat dissipation box (3), and a fan is built into the heat dissipation box (3).

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