CN218741048U

CN218741048U - Sintering waste heat recovery system of iron and steel plant

Info

Publication number: CN218741048U
Application number: CN202222947691.9U
Authority: CN
Inventors: 蒋研华; 蒋政豪; 沈祎婕
Original assignee: Jiangsu Daohe Environmental Protection Technology Co ltd
Current assignee: Jiangsu Daohe Environmental Protection Technology Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-03-28
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses a sintering waste heat recovery system of iron and steel plant, the on-line screen storage device comprises a base, iron and steel plant exhaust-heat boiler and waste heat recovery water tank are installed respectively to the both sides on base top, the intake pipe is installed to one side of iron and steel plant exhaust-heat boiler, and the intake pipe one side of keeping away from iron and steel plant exhaust-heat boiler installs the connecting pipe, first valve is installed in the outside of connecting pipe, the rose box is installed to one side of waste heat recovery water tank. The utility model discloses when needs are with the inside of the inside residual heat gas direction waste heat recovery water tank of steel plant exhaust-heat boiler, open first valve, second valve and third valve are closed, and the residual heat gas gets off through the filtration of filter screen and bamboo charcoal granule, filters dust and the impurity in the residual heat gas, and the residual heat gas after the filtration passes through the inside that the air duct transmitted waste heat recovery water tank, avoids the inside of air duct to produce crystallization and dirt at the in-process of transmission.

Description

Sintering waste heat recovery system of iron and steel plant

Technical Field

The utility model relates to a waste heat recovery technical field, in particular to steel plant sintering waste heat recovery system.

Background

The waste heat refers to heat energy released in the production process and capable of being utilized, mainly comprises high-temperature waste gas and the like, and can be used for recycling steam generated by the waste heat in the production process of a waste heat boiler in an iron and steel plant to realize power generation, heating or hot water production;

the Chinese patent No. CN106524811A discloses a device for recycling the waste heat of an iron and steel plant, in particular to a device for efficiently recycling the waste heat of the iron and steel plant, and the invention aims to solve the technical problems of providing the device for efficiently recycling the waste heat of the iron and steel plant, which has the advantages of low manufacturing cost, effective recycling and great profit, and in order to solve the technical problems, the invention provides the device for efficiently recycling the waste heat of the iron and steel plant, which comprises a bottom plate, a 7-type bracket, a cylinder body, a large water tank, a piston, a motor, a disc, a first belt pulley, a push rod, a connecting rod, an air inlet pipe, a first check valve and the like; the invention utilizes the waste heat of a steel plant to heat cold water in the large water tank, the cold water is pumped out by a water pump after being heated and then is sprayed out by a perforated pipe, and a pressing plate moves up and down to enable disinfectant to enter the perforated pipe, and the prior technical scheme has the following defects: the waste heat recovery device of the prior art scheme has the effect of recycling waste heat, but the efficiency of conversion has certain optimization space, and simultaneously, when the flue gas waste heat enters the recovery device of the flue gas waste heat, dust can be accompanied, so that the recovery device of the flue gas waste heat has the phenomenon that the dust is not protected and the conversion efficiency is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel plant sintering waste heat recovery system to solve the problem that the waste heat recovery who provides among the above-mentioned background art utilizes the device and does not possess dustproof and the conversion rate is low.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sintering waste heat recovery system of iron and steel plant, includes the base, iron and steel plant exhaust-heat boiler and waste heat recovery water tank are installed respectively to the both sides on base top, the intake pipe is installed to one side of iron and steel plant exhaust-heat boiler, and the intake pipe keeps away from one side of iron and steel plant exhaust-heat boiler and installs the connecting pipe, first valve is installed in the outside of connecting pipe, the rose box is installed to one side of waste heat recovery water tank, and the inside of rose box is provided with filtering mechanism, one side of connecting pipe is linked together with the inside of waste heat recovery water tank, the rose box is kept away from one side of connecting pipe and is installed the air duct, and the vertical internally mounted who runs through waste heat recovery water tank of air duct has the outlet duct, the second valve is installed in the outside of outlet duct, waste heat recovery water tank keeps away from one side of outlet duct and installs the outlet pipe, and the outside of outlet pipe installs the third valve, the controller is installed to waste heat recovery water tank's one end

When the sintering waste heat recovery system of the steel plant is used, the dust and impurities in the residual heat gas are filtered by installing the filter screen and the bamboo charcoal particles, the inside of the air guide pipe is prevented from crystallizing and fouling in the transmission process, the impurity particles of the filter screen are scraped by the installing scraper blade and the hairbrush, the impurities drop into the material receiving box, the cleaning of the later stage of workers is facilitated, the service life of the air guide pipe is prolonged, and the later maintenance cost of the air guide pipe is reduced.

Preferably, the filtering mechanism includes the filter screen, the filter screen is installed in the inside of rose box, the internally mounted that the rose box is close to air duct one side has the installing frame, and the inside packing of installing frame has the bamboo charcoal granule, the seal box is installed on the top of rose box, and the inside top of seal box installs electric telescopic handle, electric telescopic handle's output extends to the internally mounted of rose box and has the mount pad, and the both ends that the mount pad is close to filter screen one side install scraper blade and brush respectively, the inside bottom of rose box is provided with the mounting groove, and the internally mounted of mounting groove has the receipts magazine.

Preferably, the slider is all installed at the both ends of filter screen, the inside of rose box evenly is provided with the spout, and the spout is connected with the slider.

Preferably, the installation piece is installed to one side that the intake pipe is close to the connecting pipe, and the inside of installation piece evenly is provided with the seal groove, the connecting block is installed to one side that the connecting pipe is close to the intake pipe, and one side that the connecting block is close to the installation piece evenly installs sealed piece, sealed piece all is connected with the seal groove.

Preferably, the internally mounted of the waste heat recovery water tank outside of the air duct has a heat pipe, and the outside of heat pipe evenly installs the heat conduction pole, the second gear is installed on the top in the heat pipe outside, first gear is installed on the top of waste heat recovery water tank, and first gear and second gear meshing are connected, the motor is installed on the top of first gear.

Preferably, the guide blocks are uniformly installed on the outer sides of the heat conduction pipes, guide grooves are formed in the waste heat recovery water tank, and the guide grooves are connected with the guide blocks.

Preferably, the inside of the air duct of guide way bottom evenly is provided with the recess, and the inside of recess all installs the ball.

Compared with the prior art, the beneficial effects of the utility model are that: the system for recovering the sintering waste heat of the steel plant not only realizes the filtering effect, but also improves the conversion rate of the waste heat;

(1) When the inside of the waste heat recovery water tank is guided to with the inside hot gas body of steel plant exhaust-heat boiler to needs, open first valve, second valve and third valve are closed, the hot gas body is through the filtration of filter screen and bamboo charcoal granule, filter dust and the impurity in the hot gas body, the hot gas body of filtered residual passes through the inside that the waste heat recovery water tank was transmitted to the air duct, avoid the inside of air duct to produce crystallization and dirt at the in-process of transmission, then restart electric telescopic handle, drive scraper blade and brush move down, scrape the impurity granule of filter screen, drop the inside of collecting box, be convenient for staff's later stage clearance, regularly inspect filter screen and bamboo charcoal granule, in time change filter screen and bamboo charcoal granule when necessary, keep filtering mechanism's filter effect, the life of effective air duct extension, reduce the later maintenance cost.

(2) Through installing heat pipe and heat conduction pole, when utilizing the waste heat to heat the inside water of waste heat recovery water tank, the waste heat gas disperses the heat to the outside of heat pipe and heat conduction pole, starter motor, under the meshing connection effect, make first gear drive second gear and heat pipe rotate, make the heat conduction pole stir in aqueous, increase the area of contact of heat and water, improve the efficiency of heating, thereby the effect of improving conversion efficiency has been played, energy recycle's purpose has been reached.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic structural view of a portion a in fig. 1 according to the present invention;

fig. 3 is a schematic structural view of the utility model at the position B in fig. 1;

FIG. 4 is a schematic front sectional view of the filtering mechanism of the present invention;

fig. 5 is a schematic front view of the present invention.

The reference numerals in the figures illustrate: 1. a gas-guide tube; 2. a waste heat recovery water tank; 3. a filter box; 4. a filtering mechanism; 401. a sealing box; 402. an electric telescopic rod; 403. a mounting seat; 404. a filter screen; 405. mounting grooves; 406. a material receiving box; 407. a chute; 408. a slider; 409. installing a frame; 410. bamboo charcoal particles; 411. a squeegee; 412. a brush; 5. a connecting pipe; 6. a first valve; 7. a heat conducting rod; 8. a heat conducting pipe; 9. an air outlet pipe; 10. a second valve; 11. a water outlet pipe; 12. a third valve; 13. a first gear; 14. a motor; 15. a second gear; 16. mounting blocks; 17. a sealing groove; 18. a sealing block; 19. connecting blocks; 20. a guide groove; 21. a guide block; 22. a groove; 23. a ball bearing; 24. a controller; 25. an air inlet pipe; 26. a waste heat boiler of a steel plant; 27. a base.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Example one

Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a sintering waste heat recovery system of iron and steel plant, including base 27, iron and steel plant exhaust-heat boiler 26 and waste heat recovery water tank 2 are installed respectively to the both sides on base 27 top, intake pipe 25 is installed to one side of iron and steel plant exhaust-heat boiler 26, and intake pipe 25 keeps away from one side of iron and steel plant exhaust-heat boiler 26 and installs connecting pipe 5, first valve 6 is installed in the outside of connecting pipe 5, rose box 3 is installed to one side of waste heat recovery water tank 2, and rose box 3's inside is provided with filter mechanism 4, filter mechanism 4 includes filter screen 404, filter screen 404 installs the inside at rose box 3, the internally mounted of rose box 3 near one side of air duct 1 has installing frame 409, and the inside packing of installing frame 409 has bamboo charcoal granule 410, seal box 401 is installed on the top of rose box 3, and electric telescopic handle 402 is installed on the inside of seal box 401, the output of electric telescopic handle 402 extends to the internally mounted of rose box 3 has mount pad 403, and mount pad 411 is installed respectively at the both ends of mount pad 403 near one side of filter screen 404, and the both ends of mount pad 403 near the inside of filter pad 16 side are provided with scraper 411 and brush 412, the connecting pipe 16 is provided with connecting pipe 16 that connecting block 16 is connected to the seal groove 16, the even mounting pad 16 that connecting block 16 is installed near the seal groove 16, the seal groove 16 is installed to the inside of seal groove 16.

In this embodiment, open first valve 6, second valve 10 and third valve 12 are closed, the surplus hot gas is through the filtration of filter screen 404 and bamboo charcoal granule 410, dust and impurity in the surplus hot gas are filtered, the surplus hot gas after the filtration passes through air duct 1 and transmits the inside of waste heat recovery water tank 2, avoid the inside of air duct 1 to produce crystallization and dirt at the in-process of transmission, restart electric telescopic handle 402, drive scraper blade 411 and brush 412 downstream, scrape the impurity granule of filter screen 404, drop the inside of collecting box 406, be convenient for staff's later stage clearance, regularly inspect filter screen 404 and bamboo charcoal granule 410, in time change filter screen 404 and bamboo charcoal granule 410 as necessary, keep the filter effect of filter mechanism 4, effectively prolong the life of air duct 1.

Example two

This embodiment still includes: one side of connecting pipe 5 is linked together with the inside of waste heat recovery water tank 2, the air duct 1 is installed to the one side that connecting pipe 5 was kept away from to rose box 3, and the vertical internally mounted who runs through waste heat recovery water tank 2 of air duct 1 has outlet duct 9, second valve 10 is installed in the outside of outlet duct 9, waste heat recovery water tank 2 keeps away from one side of outlet duct 9 and installs outlet pipe 11, and the outside of outlet pipe 11 installs third valve 12, controller 24 is installed to waste heat recovery water tank 2's one end, the internally mounted of waste heat recovery water tank 2 in the air duct 1 outside has heat pipe 8, and heat pipe 8's the outside evenly installs heat conduction pole 7, second gear 15 is installed on the top in the heat pipe 8 outside, first gear 13 is installed on waste heat recovery water tank 2's top, and first gear 13 is connected with second gear 15 meshing, motor 14 is installed on the top of first gear 13, the outside of heat pipe 8 evenly installs guide block 21, the inside of waste heat recovery water tank 2 is provided with guide way 20, and guide way 20 is connected with guide block 21, the inside of guide way 1 of guide way 20 bottom evenly is provided with recess 22, and the inside all installs ball 23.

In this embodiment, when utilizing the waste heat to heat the inside water of waste heat recovery water tank 2, the outside of heat pipe 8 and heat conduction pole 7 is dispersed with the heat to the surplus hot gas, and starter motor 14 makes first gear 13 drive second gear 15 and heat pipe 8 rotate under the meshing connection effect, makes heat conduction pole 7 stir in aqueous, increases the area of contact of heat and water to the effect that improves conversion efficiency has been played.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a steel plant sintering waste heat recovery system, includes base (27), its characterized in that: iron and steel plant exhaust-heat boiler (26) and waste heat recovery water tank (2) are installed respectively to the both sides on base (27) top, intake pipe (25) are installed to one side of iron and steel plant exhaust-heat boiler (26), and intake pipe (25) keep away from one side of iron and steel plant exhaust-heat boiler (26) and install connecting pipe (5), first valve (6) are installed in the outside of connecting pipe (5), rose box (3) are installed to one side of waste heat recovery water tank (2), and the inside of rose box (3) is provided with filtering mechanism (4), one side of connecting pipe (5) is linked together with the inside of waste heat recovery water tank (2), one side that connecting pipe (5) were kept away from in rose box (3) installs air duct (1), and the vertical internally mounted who runs through waste heat recovery water tank (2) of air duct (1) has outlet duct (9), second valve (10) are installed in the outside of outlet duct (9), waste heat recovery water tank (2) keep away from one side of outlet duct (9) and install outlet pipe (11), and the outside of outlet pipe (11) installs third valve (12), controller (24) are installed to the one end of waste heat recovery water tank (2).

2. The steel plant sintering waste heat recovery system of claim 1, characterized in that: the filter mechanism (4) comprises a filter screen (404), the filter screen (404) is installed in a filter box (3), an installation frame (409) is installed inside the filter box (3) close to one side of the air guide pipe (1), bamboo charcoal particles (410) are filled inside the installation frame (409), a sealing box (401) is installed on the top end of the filter box (3), an electric telescopic rod (402) is installed on the top end of the sealing box (401) inside, an installation seat (403) is installed inside the electric telescopic rod (402) in a manner that the output end of the electric telescopic rod extends to the filter box (3), a scraper (411) and a hairbrush (412) are installed at two ends of the installation seat (403) close to one side of the filter screen (404), an installation groove (405) is formed in the bottom end of the filter box (3), and a material receiving box (406) is installed inside the installation groove (405).

3. The steel plant sintering waste heat recovery system of claim 2, characterized in that: slide blocks (408) are installed at two ends of the filter screen (404), sliding grooves (407) are uniformly formed in the filter box (3), and the sliding grooves (407) are connected with the slide blocks (408).

4. The steel plant sintering waste heat recovery system of claim 1, characterized in that: intake pipe (25) are close to one side of connecting pipe (5) and install installation piece (16), and the inside of installation piece (16) evenly is provided with seal groove (17), connecting pipe (5) are close to one side of intake pipe (25) and install connecting block (19), and connecting block (19) are close to one side of installation piece (16) and evenly install sealed piece (18), sealed piece (18) all are connected with seal groove (17).

5. The steel plant sintering waste heat recovery system of claim 1, characterized in that: the heat recovery water tank (2) outside air duct (1) internally mounted has heat pipe (8), and heat pipe (7) are evenly installed in the outside of heat pipe (8), second gear (15) are installed on the top in heat pipe (8) outside, first gear (13) are installed on the top of heat recovery water tank (2), and first gear (13) are connected with second gear (15) meshing, motor (14) are installed on the top of first gear (13).

6. The steel plant sintering waste heat recovery system of claim 5, characterized in that: the guide block (21) is uniformly installed on the outer side of the heat conduction pipe (8), a guide groove (20) is formed in the waste heat recovery water tank (2), and the guide groove (20) is connected with the guide block (21).

7. The steel plant sintering waste heat recovery system of claim 6, wherein: the inside of air duct (1) of guide way (20) bottom evenly is provided with recess (22), and the inside of recess (22) all installs ball (23).