CN216192441U

CN216192441U - Blast furnace casting house factory building structure

Info

Publication number: CN216192441U
Application number: CN202122764115.6U
Authority: CN
Inventors: 周绍平; 王红英; 陈胜红; 于子健
Original assignee: Nanjing Jinhuan Electronic Technology Co ltd
Current assignee: Nanjing Jinhuan Electronic Technology Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-05
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses a blast furnace casting house factory structure, which achieves the aim of conveniently recycling the temperature in high-temperature flue gas exhausted by a smoke absorption hood, relates to the technical field of casting house factory structures, and has the technical scheme that: establish the insulating tube at factory building upper end smoke absorption cover outer wall including the cover, there is the clearance between insulating tube inner wall and the smoke absorption cover outer wall, and has deposited the water layer in the clearance, smoke absorption cover discharge port intercommunication has the blast pipe, the one end intercommunication that the smoke absorption cover was kept away from to the blast pipe has confined water storage box, the below of the surface of water in the water storage box is got into to blast pipe one end, be equipped with the drain pipe on the water storage box, the top lateral wall is equipped with the delivery pipe, be equipped with first stop valve on the drain pipe.

Description

Blast furnace casting house factory building structure

Technical Field

The utility model relates to the technical field of a cast house plant structure, in particular to a blast furnace cast house plant structure.

Background

The medium and small blast furnace with the furnace volume below 2500m3 accounts for more than 60% of iron works in China, and is a blast furnace type mainly used by medium and small iron and steel enterprises. The structure of the iron house is fully open or semi-open, most of the iron house is only provided with a ceiling or a skylight, natural ventilation and exhaust are adopted, and the operation platform is semi-open.

A large top suction cover is designed above a taphole and a main iron runner of a ventilation and dust removal system of most medium and small blast furnace casting houses to collect dust-containing high-temperature flue gas at the taphole, but the temperature of the high-temperature flue gas is not utilized after the high-temperature flue gas is captured, so that energy loss is caused.

Disclosure of Invention

The utility model aims to provide a factory building structure of a blast furnace casting house, which achieves the aim of conveniently recycling the temperature in high-temperature flue gas exhausted by a smoke suction hood.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a blast furnace casting house factory building structure, establishes the insulating tube at factory building upper end smoke absorption hood outer wall including the cover, there is the clearance between insulating tube inner wall and the smoke absorption hood outer wall, and has deposited the water layer in the clearance, smoke absorption hood discharge port intercommunication has the blast pipe, the one end intercommunication that the smoke absorption hood was kept away from to the blast pipe has the confined water storage box, blast pipe one end gets into the below of the water surface in the water storage box, be equipped with the drain pipe on the water storage box, the top lateral wall is equipped with the delivery pipe, be equipped with first stop valve on the drain pipe.

Through adopting above-mentioned technical scheme, at first the high-temperature gas in the smoke absorption cover passes through the smoke absorption cover heat transfer, with the water layer heating in the insulating tube, secondly the smoke absorption cover passes through the blast pipe with the surplus heat transfer of high-temperature gas to the water storage box, water in the water storage box carries out the dust fall on the one hand to the smoke and dust in the high-temperature gas and handles, the high-temperature gas of being convenient for on the one hand transmits the temperature to the aquatic of water storage box, and then carry out waste heat and recycle, people can carry out hydrothermal use through the drain pipe, the discharge pipe of water storage box top is convenient for follow the discharge of water storage box aquatic filtered gas.

Preferably: and the exhaust pipe is provided with an air pump.

Preferably: the last intercommunication of insulating tube has delivery pipe and drinking-water pipe, delivery pipe and drinking-water pipe all are located the insulating tube upper end wall and all are equipped with the suction pump.

Preferably: the outer wall of the smoke suction hood is provided with a plurality of radiating needles which enter the heat preservation pipe.

Preferably: the inner wall of one side of the water storage tank, which is provided with the drain pipe, is provided with a non-woven fabric layer which covers the water inlet of the drain pipe.

Preferably: the inner wall of the water storage tank is provided with a plurality of connecting holes in threaded connection with the drain pipe along the height direction of the water storage tank, the water storage tank is internally threaded with a sealing plug for sealing the connecting holes in the connecting holes, and the drain pipe is in threaded connection with one of the connecting holes.

Preferably: the delivery port and the water storage box intercommunication of drinking-water pipe, the water storage box is equipped with the water conservation box in the lower side pipe wall of delivery pipe, the water conservation box is located delivery pipe mouth of pipe below, just be equipped with the water pipe that extends to the factory building gate at the bottom of the water conservation box, water pipe delivery port department installs the second stop valve.

In conclusion, the utility model has the following beneficial effects: high-temperature gas in the first smoke suction hood passes through the smoke suction hood and transmits heat, water layer heating in the insulating tube, secondly the smoke suction hood passes through the blast pipe and transmits the surplus heat of high-temperature gas to the water storage box, water in the water storage box carries out the dust fall processing to the smoke and dust in the high-temperature gas on the one hand, the high-temperature gas of being convenient for transmits the temperature to the aquatic of water storage box on the one hand, and then carry out waste heat and recycle, people can carry out hydrothermal use through the drain pipe, the discharge pipe of water storage box top is convenient for follow the discharge of water storage box aquatic filtered gas.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

fig. 2 is a schematic structural diagram of the water storage tank of the embodiment.

In the figure: 1. factory building; 11. a smoke suction hood; 12. a heat preservation pipe; 13. an exhaust pipe; 131. a water storage tank; 132. a drain pipe; 133. a discharge pipe; 134. a first shut-off valve; 135. an air pump; 14. a water supply pipe; 15. a water pumping pipe; 16. a water pump; 17. a heat dissipation needle; 18. a non-woven fabric layer; 19. connecting holes; 191. a sealing plug; 192. a water-saving box; 193. a water flow pipe; 194. a second shut-off valve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a blast furnace casting house factory building structure, as shown in figure 1 and figure 2, establish the insulating tube 12 at 1 upper end smoke absorption cover 11 outer wall of factory building including the cover, there is the clearance between insulating tube 12 inner wall and the smoke absorption cover 11 outer wall, and deposit the water layer in the clearance, the upper and lower both ends of insulating tube 12 are all sealed, smoke absorption cover 11 discharge port intercommunication has blast pipe 13, the one end intercommunication that smoke absorption cover 11 was kept away from to blast pipe 13 has confined water storage box 131, blast pipe 13 one end gets into the below of water level in the water storage box 131, be equipped with drain pipe 132 on the water storage box 131, the top lateral wall is equipped with delivery pipe 133, be equipped with first check valve 134 on the drain pipe 132.

As shown in fig. 1 and 2, firstly, the high temperature gas in the smoke absorbing cover 11 transfers heat through the smoke absorbing cover 11, heat the water layer in the heat insulation pipe 12, secondly, the smoke absorbing cover 11 transfers the residual heat of the high temperature gas to the water storage tank 131 through the exhaust pipe 13, on one hand, the water in the water storage tank 131 performs dust settling treatment on the smoke dust in the high temperature gas, on the other hand, the high temperature gas is convenient for transferring the temperature to the water in the water storage tank 131, and further, the waste heat is recycled, people can use hot water through the drain pipe 132, and the exhaust pipe 133 above the water storage tank 131 is convenient for discharging filtered gas from the water in the water storage tank 131. The inner wall of the water storage tank 131 on the side provided with the drain pipe 132 is provided with a non-woven fabric layer 18 covering the inlet of the drain pipe 132. The non-woven layer 18 is designed to prevent impurities in the reservoir 131 from flowing out of the drain 132 with the water flow, thereby affecting the use of hot water.

As shown in fig. 1 and 2, the exhaust pipe 13 is provided with a suction pump 135. The action of the air pump 135 is convenient for accelerating the flow of the gas in the smoke absorption hood 11, and the use requirement is met.

As shown in fig. 1 and 2, the heat preservation pipe 12 is communicated with a water supply pipe 14 and a water pumping pipe 15, the water supply pipe 14 and the water pumping pipe 15 are both located on the upper end wall of the heat preservation pipe 12 and are both provided with water pumping pumps 16, the water pumping pump 16 on the water supply pipe 14 is convenient for pumping water at other places into the heat preservation pipe 12 for preheating, and the water pumping pump 16 on the water pumping pipe 15 is convenient for pumping hot water in the heat preservation pipe 12 for people to use the hot water.

Referring to fig. 1 and 2, secondly, a plurality of heat dissipation needles 17 entering the heat preservation pipe 12 are arranged on the outer wall of the smoke absorption hood 11, and the design of the heat dissipation needles 17 is convenient for the smoke absorption hood 11 to transfer heat to the water layer in the heat preservation pipe 12, so that the heat dissipation is accelerated.

Referring to fig. 1 and 2, the inner wall of the water tank 131 is provided with a plurality of connection holes 19 in the height direction of the water tank 131, the connection holes 19 are in threaded connection with the water discharge pipe 132, a sealing plug 191 for sealing the connection holes 19 is in threaded connection with the water tank 131 in the connection holes 19, and the water discharge pipe 132 is in threaded connection with one of the connection holes 19. The plurality of connection holes 19 are designed to facilitate the installation of the drain pipe 132 according to the use time of the water tank 131, thereby facilitating the discharge of clean hot water, so that the high temperature gas carries much smoke accumulated in the water tank 131 as the use time of the water tank 131 increases, and the connection hole 19 located at a low position is inconvenient to discharge clean hot water. When the drain pipe 132 needs to be installed, the drain pipe 132 is screwed into the connecting hole 19 only by opening the sealing plug 191, at this time, the water level in the water storage tank 131 can be lowered to be below the height position of the connecting hole 19 needing to be installed, then, water is added into the water storage tank 131, at this time, a water inlet can be opened at the top of the water storage tank 131, and then, the water storage tank is covered and closed.

As shown in fig. 1 and 2, the water outlet of the pumping pipe 15 is communicated with the water storage tank 131, at this time, the height of the pumping pipe 15 is higher than that of the discharge pipe 133, so that hot water in the heat preservation pipe 12 can conveniently enter the water storage tank 131 for discharge, the water storage tank 131 is provided with a water saving box 192 on the lower pipe wall of the discharge pipe 133, at this time, the discharge pipe 133 is positioned at the uppermost end of the outer wall of the water storage tank 131, the water saving box 192 is positioned below the pipe orifice of the discharge pipe 133, the bottom of the water saving box 192 is provided with a water flowing pipe 193 extending to the doorway of the factory building 1, and the water outlet of the water flowing pipe 193 is provided with a second stop valve 194. If the water level in the water storage tank 131 is high, the water will overflow through the discharge pipe 133 and then flow into the water flowing pipe 193 through the water-saving box 192, and at this time, the water will flow out by opening the second stop valve 194, so as to remind people that the water in the water storage tank 131 needs to be discharged.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a blast furnace tapping site factory building structure, its characterized in that establishes insulating tube (12) at factory building (1) upper end smoke suction hood (11) outer wall including the cover, there is the clearance between insulating tube (12) inner wall and smoke suction hood (11) outer wall, and has deposited the water layer in the clearance, smoke suction hood (11) discharge port intercommunication has blast pipe (13), the one end intercommunication that smoke suction hood (11) were kept away from in blast pipe (13) has confined water storage box (131), the below of the surface of water in blast pipe (13) one end entering water storage box (131), be equipped with drain pipe (132) on water storage box (131), the top lateral wall is equipped with discharge pipe (133), be equipped with first stop valve (134) on drain pipe (132).

2. The blast furnace cast house structure according to claim 1, wherein: and an air suction pump (135) is arranged on the exhaust pipe (13).

3. The blast furnace tapping floor structure according to claim 1 or 2, characterized in that: the heat preservation pipe (12) is communicated with a water supply pipe (14) and a water pumping pipe (15), and the water supply pipe (14) and the water pumping pipe (15) are both located on the upper end wall of the heat preservation pipe (12) and are both provided with a water pumping pump (16).

4. The blast furnace cast house structure according to claim 1, wherein: the outer wall of the smoke absorbing hood (11) is provided with a plurality of heat radiating needles (17) which enter the heat insulating pipe (12).

5. The blast furnace cast house structure according to claim 1, wherein: the inner wall of one side of the water storage tank (131) provided with the drain pipe (132) is provided with a non-woven fabric layer (18) which covers the water inlet of the drain pipe (132).

6. The blast furnace cast house structure according to claim 5, wherein: the inner wall of the water storage tank (131) is provided with a plurality of connecting holes (19) in threaded connection with the drain pipe (132) along the height direction of the water storage tank (131), the connecting holes (19) of the water storage tank (131) are internally threaded connected with sealing plugs (191) for sealing the connecting holes (19), and the drain pipe (132) is in threaded connection with one of the connecting holes (19).

7. The blast furnace cast house structure according to claim 3, wherein: the delivery port and the water storage box (131) intercommunication of drinking-water pipe (15), water storage box (131) are equipped with water-saving box (192) in the lower side pipe wall of delivery pipe (133), water-saving box (192) are located delivery pipe (133) mouth of pipe below, just water-saving box (192) box bottom is equipped with drain pipe (193) that extend to factory building (1) gate, second stop valve (194) are installed to drain pipe (193) delivery port department.