CN210699406U

CN210699406U - Blast furnace steam recycling device

Info

Publication number: CN210699406U
Application number: CN201921669655.2U
Authority: CN
Inventors: 冯晓军; 李丹; 程宝卫
Original assignee: Shanxi Gaoyi Steel Co ltd
Current assignee: Shanxi Gaoyi Steel Co ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-06-09
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a blast furnace steam recycle device relates to blast furnace steam recycle device technical field, including the blast furnace, the first high pressure steam pipe of top fixedly connected with of blast furnace, the one end of first high pressure steam pipe is connected with the steam generator, the steam generator's steam outlet end fixedly connected with second high pressure steam pipe, the one end fixedly connected with insulation can of second high pressure steam pipe, one side fixedly connected with T-shaped pipe of insulation can, the one end fixedly connected with condensing box of T-shaped pipe, the bottom fixedly connected with outlet pipe of condensing box, the bottom fixedly connected with collecting box of outlet pipe. This blast furnace steam recycle device sets up through the cooperation of insulation can, hot exchange pipe and raceway, and the water that the in-process exhaust steam got into in hot exchange pipe and the insulation can carries out heat exchange heating insulation can inside water, and the water that is heated in the insulation can transports the living area through the raceway, has reached steam waste heat recovery and utilization's purpose.

Description

Blast furnace steam recycling device

Technical Field

The utility model relates to the technical field of a blast furnace steam recycling device, in particular to a blast furnace steam recycling device.

Background

At present, water vapor generated in the production process of many enterprises is directly discharged into the air, so that the local air humidity of production equipment is high, and the equipment is extremely easy to be affected with damp or corroded to age. Meanwhile, a large amount of water vapor is directly discharged into the air, so that the temperature of a workshop is also increased, and normal operation of workers is not facilitated. Especially in summer, the too high workshop temperature can also bring the potential safety hazard for production work, and the operation workman can lead to the health uncomfortable in the long-time work of high temperature environment, is difficult to guarantee the safety in production, seriously influences work efficiency moreover, finally leads to increaseing enterprise manufacturing cost.

In a steam recycling device disclosed in chinese utility model patent application publication CN205718533U, although the device condenses steam with cooling water in a closed tank, and water in the steam is recovered to reduce the discharge of the steam, the blast furnace steam recycling device has the disadvantages of low steam heat recovery rate and low utilization rate.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a blast furnace steam recycling device, which solves the problem of the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the steam generator comprises a blast furnace, the first high pressure steam pipe of top fixedly connected with of blast furnace, the one end of first high pressure steam pipe is connected with steam generator, steam generator's steam outlet end fixedly connected with second high pressure steam pipe, the one end fixedly connected with insulation can of second high pressure steam pipe, one side fixedly connected with T venturi tube of insulation can, the one end fixedly connected with condensing box of T venturi tube, the bottom fixedly connected with outlet pipe of condensing box, the bottom fixedly connected with collecting box of outlet pipe.

Optionally, the heat-exchange tube is fixedly connected to the inside of the heat-insulation box, a second high-pressure steam tube is fixedly connected to the upper end of the heat-exchange tube, a T-shaped tube is fixedly connected to the lower end of the heat-exchange tube, a water delivery tube is fixedly connected to the side surface of the heat-insulation box, and valves are respectively inserted into the upper surface of the first high-pressure steam tube and the side surface of the water outlet tube.

Optionally, the side of condenser box is pegged graft and is connected with the condenser pipe, and the condenser pipe is snakelike structure of circling round, and two interface ends of condenser pipe all peg graft in recirculated cooling water tank's inside, and the condenser pipe is equipped with the water pump with recirculated cooling water tank's junction.

Optionally, one side of the blast furnace is connected with a condensing box, and the upper surface of the cooling box is connected with the side surface of the collecting box through a pipeline.

Optionally, the other end of the T-shaped pipe is connected with the side surface of the water outlet pipe, and the bottom of the water outlet pipe is movably connected with a scale filter.

Optionally, the side surface of the collecting box is connected with a double filter screen in a pulling manner, the double filter screen is divided into an upper layer and a lower layer, and the aperture of the upper layer is smaller than that of the lower layer.

(III) advantageous effects

The utility model provides a blast furnace steam recycling device possesses following beneficial effect:

1. this blast furnace steam recycle device sets up through the cooperation of insulation can, hot exchange pipe and raceway, and the water that the in-process exhaust steam got into in hot exchange pipe and the insulation can carries out heat exchange heating insulation can inside water, and the water that is heated in the insulation can transports the living area through the raceway, has reached steam waste heat recovery and utilization's purpose.

2. This blast furnace steam recycle device sets up through the cooperation of condensing box, condenser pipe and refrigerator, and in the steam reentrant condensing box that the in-process that uses utilized, the cold air of making by the refrigerator contacts with steam through the condenser pipe, and steam is condensed into the water droplet, has reached the purpose that reduces the steam emission.

3. This blast furnace steam recycle device sets up through the cooperation of collecting box and two filter screens, and the water droplet of in-process condensation at the use is through the filtration of two filter screens, and impurity and some metallics are filtered on two filter screens, and the metallics can be retrieved, and filterable water is collected by the collecting box, has reached the purpose of filtering quality of water and retrieving the heavy metal that carries in the steam.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic sectional view of the condenser box of the present invention;

FIG. 3 is a schematic view of the sectional structure of the collecting box of the present invention;

fig. 4 is a schematic view of the front view structure of the collecting box of the utility model.

In the figure: 1. a blast furnace; 2. a first high pressure steam pipe; 3. a steam generator; 4. a second high pressure steam pipe; 5. a heat preservation box; 6. a T-shaped pipe; 7. a condenser tank; 8. a water outlet pipe; 9. a collection box; 10. a heat exchange tube; 11. a water delivery pipe; 12. a condenser tube; 13. a circulating cooling water tank; 14. double filter screens; 15. a cooling tank; 16. a scale filter; 17. and (4) a valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a blast furnace steam recycling device comprises a blast furnace 1, wherein one side of the blast furnace 1 is connected with a cooling box 15, the upper surface of the cooling box 15 is connected with the side surface of a collecting box 9 through a pipeline, the top of the blast furnace 1 is fixedly connected with a first high-pressure steam pipe 2, one end of the first high-pressure steam pipe 2 is connected with a steam generator 3, a steam outlet end of the steam generator 3 is fixedly connected with a second high-pressure steam pipe 4, one end of the second high-pressure steam pipe 4 is fixedly connected with a heat insulation box 5, water in the heat insulation box 5 and the heat exchange pipe 10 are matched through the heat insulation box 5, the heat exchange pipe 10 and a water pipe 11, steam discharged in the using process enters the heat exchange pipe 10 and the water in the heat insulation box 5 to carry out heat exchange to heat the water in the heat insulation box 5, the heated water in the heat insulation box, the heat-preserving box is characterized in that a heat-exchanging pipe 10 is fixedly connected inside the heat-preserving box 5, the upper end of the heat-exchanging pipe 10 is fixedly connected with a second high-pressure steam pipe 4, the lower end of the heat-exchanging pipe 10 is fixedly connected with a T-shaped pipe 6, the side surface of the heat-preserving box 5 is fixedly connected with a water delivery pipe 11, valves 17 are respectively inserted on the upper surface of the first high-pressure steam pipe 2 and the side surface of a water outlet pipe 8, one side of the heat-preserving box 5 is fixedly connected with the T-shaped pipe 6, the other end of the T-shaped pipe 6 is connected with the side surface of the water outlet pipe 8, the bottom of the water outlet pipe 8 is movably connected with a scale filter 16, one end of the T-shaped pipe 6 is fixedly connected with a condensing box 7, the steam which is utilized in the use process enters the condensing box 7, steam is condensed into water drops, the aim of reducing water vapor emission is achieved, a condensation pipe 12 is connected to the side face of a condensation box 7 in an inserted mode, the condensation pipe 12 is of a snake-shaped convolution structure, two interface ends of the condensation pipe 12 are connected to the inside of a circulating cooling water tank 13 in an inserted mode, a water pump is arranged at the connecting position of the condensation pipe 12 and the circulating cooling water tank 13, a water outlet pipe 8 is fixedly connected to the bottom of the condensation box 7, a collecting box 9 is fixedly connected to the bottom of the water outlet pipe 8, a double filter screen 14 is connected to the side face of the collecting box 9 in a pulled mode, the double filter screen 14 is divided into an upper layer and a lower layer, the aperture of the upper layer is smaller than that of the lower layer, condensed water drops are filtered by the double filter screen 14 in the using process, impurities and some metal substances are filtered on the double filter screen 14, and, the filtered water is collected by the collection box 9, so that the purposes of filtering the water quality and recovering the heavy metals carried in the steam are achieved.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the heat exchanger is used, steam discharged from the blast furnace 1 enters the steam generator 3 through the first high-pressure steam pipe 2 to generate electricity, redundant steam enters the second high-pressure steam pipe 4 from a steam outlet end of the steam generator 3, the steam in the second high-pressure steam pipe 4 enters the heat exchange pipe 10, the steam heats water in the heat insulation box 5 through the heat exchange pipe 10, the heated water in the heat insulation box 5 is transported to a living area through the water delivery pipe 11, the steam in the heat exchange pipe 10 enters the condensation box 7 through the T-shaped pipe 6, cold air produced by the circulating cooling water tank 13 is contacted with the steam through the condensation pipe 12, the steam is condensed into water drops, the water drops are filtered by the scale filter 16 at the bottom of the water outlet pipe 8 to filter scales, the water drops enter the collection box 9 and are filtered by the double filter screens 14 again and are transported into the cooling box 15 through a pipeline, and the cooling box 15 cools.

The utility model discloses a theory of operation and beneficial effect: through the matching arrangement of the heat preservation box 5, the heat exchange tube 10 and the water pipe 11, the steam discharged in the use process enters the heat exchange tube 10 and the water in the heat preservation box 5 for heat exchange to heat the water in the heat preservation box 5, the water heated in the heat preservation box 5 is transported to a living area through the water pipe 11, the purpose of recycling the waste heat of the steam is achieved, through the matching arrangement of the condensation box 7, the condensation tube 12 and the circulating cooling water tank 13, the steam utilized in the use process enters the condensation box 7 again, the cold air produced by the circulating cooling water tank 13 is contacted with the steam through the condensation tube 12, the steam is condensed into water drops, the purpose of reducing the discharge of the steam is achieved, through the matching arrangement of the collection box 9 and the double filter screens 14, the condensed water drops are filtered through the double filter screens 14 in the use process, impurities and some metal substances are filtered on the double filter screens 14, the metallic substance can be retrieved, and the filterable water is collected by collecting box 9, has reached the purpose of filtering quality of water and retrieving the heavy metal that carries in the steam.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a blast furnace steam recycle device, includes blast furnace (1), its characterized in that: the utility model discloses a blast furnace, including blast furnace (1), the top fixedly connected with of blast furnace (2) first high pressure steam pipe (2), the one end of first high pressure steam pipe (2) is connected with steam generator (3), steam generator's (3) steam outlet end fixedly connected with second high pressure steam pipe (4), the one end fixedly connected with insulation can (5) of second high pressure steam pipe (4), one side fixedly connected with T venturi tube (6) of insulation can (5), the one end fixedly connected with condensing box (7) of T venturi tube (6), the bottom fixedly connected with outlet pipe (8) of condensing box (7), the bottom fixedly connected with collecting box (9) of outlet pipe (8).

2. The blast furnace steam recycling device according to claim 1, characterized in that: the heat exchanger is characterized in that a heat exchange pipe (10) is fixedly connected to the inside of the heat insulation box (5), a second high-pressure steam pipe (4) is fixedly connected to the upper end of the heat exchange pipe (10), a T-shaped pipe (6) is fixedly connected to the lower end of the heat exchange pipe (10), a water delivery pipe (11) is fixedly connected to the side face of the heat insulation box (5), and a valve (17) is inserted into the upper surface of the first high-pressure steam pipe (2) and the side face of the water outlet pipe (8).

3. The blast furnace steam recycling device according to claim 1, characterized in that: the side surface of the condenser box (7) is connected with a condenser pipe (12) in an inserting mode, the condenser pipe (12) is of a snake-shaped convolution structure, two interface ends of the condenser pipe (12) are connected inside the circulating cooling water tank (13) in an inserting mode, and a water pump is arranged at the joint of the condenser pipe (12) and the circulating cooling water tank (13).

4. The blast furnace steam recycling device according to claim 1, characterized in that: one side of the blast furnace (1) is connected with a cooling box (15), and the upper surface of the cooling box (15) is connected with the side surface of the collecting box (9) through a pipeline.

5. The blast furnace steam recycling device according to claim 1, characterized in that: the other end of the T-shaped pipe (6) is connected with the side surface of the water outlet pipe (8), and the bottom of the water outlet pipe (8) is movably connected with a scale filter (16).

6. The blast furnace steam recycling device according to claim 1, characterized in that: the side surface of the collecting box (9) is connected with a double filter screen (14) in a pulling mode, the double filter screen (14) is divided into an upper layer and a lower layer, and the aperture of the upper layer is smaller than that of the lower layer.