CN216639608U

CN216639608U - Sintering sewage steam heating and utilizing system

Info

Publication number: CN216639608U
Application number: CN202220197609.2U
Authority: CN
Inventors: 李波; 白美智; 米虎威; 柴超; 卫建峰
Original assignee: Shanxi Huaxinyuan Iron And Steel Group Co ltd
Current assignee: Shanxi Huaxinyuan Iron And Steel Group Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-05-31
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a sintering sewage steam heating utilization system, and belongs to the field of steam heating. Including the steam trunk line, the sintering sewage case, heat dissipation pipeline and gas-liquid output pipeline, the steam trunk line communicates to sintering sewage incasement portion, heat dissipation pipeline one end communicates with the inside steam trunk line of sintering sewage case, the other end and gas-liquid output pipeline intercommunication, sintering sewage bottom of the case portion are equipped with adds the hot water export, sintering sewage incasement portion is equipped with the intermediate layer chamber, the intercommunication has the steam lateral conduit on the steam trunk line, steam lateral conduit intercommunication intermediate layer chamber, gas-liquid output pipeline and intermediate layer chamber intercommunication, the bottom in intermediate layer chamber is equipped with the gas-liquid recovery mouth, gas-liquid recovery mouth connects the gas-liquid recovery pipeline, gas-liquid recovery pipe connects the gas-liquid recoverer, add hot water exit linkage hot water output pipeline, connect the water pump on the hot water output pipeline, hot water output pipeline end-to-end connection hot water uniform distributor. The utility model reasonably utilizes sintering sewage and steam, saves water resource and energy and reduces the production cost of enterprises.

Description

Sintering sewage steam heating and utilizing system

Technical Field

The utility model belongs to a steam heating device, and particularly relates to a sintering sewage steam heating utilization system.

Background

The low temperature of the sintering mixture is always a big problem restricting the sintering production (especially the yield), the low temperature of the sintering mixture not only increases the consumption of solid fuel, but also influences the yield and economic index of sintering ore, and a plurality of iron and steel enterprises and technical departments always discuss in this respect and take a plurality of measures. At present, most iron and steel enterprises add high-temperature water into a sintering mixture to improve the material temperature of the mixture, reduce the consumption of solid fuel and improve the yield and economic index of sintered ores. However, the water source adopted by the high-temperature water of the enterprise is clean water, and the adopted heat source is coal or electric energy, so that the waste of water resource and energy is caused, and the production cost of the enterprise is increased.

Disclosure of Invention

The utility model aims to provide a sintering sewage steam heating utilization system to overcome the defects of waste of water resources and energy resources and high production cost of enterprises caused in the process of increasing the temperature of sintering mixture materials by using high-temperature water in the prior art.

The utility model is realized by adopting the following technical scheme: a sintering sewage steam heating utilization system, which comprises a main steam pipeline, a sintering sewage tank, a heat dissipation pipeline and a gas-liquid output pipeline, the main steam pipeline is communicated to the interior of the sintering sewage tank, one end of the heat dissipation pipeline is communicated with the main steam pipeline in the sintering sewage tank, the other end of the heat dissipation pipeline is communicated with the gas-liquid output pipeline, the bottom of the sintering sewage tank is provided with a heating water outlet, the outer part of the sintering sewage tank is provided with an interlayer cavity, a steam branch pipeline is communicated with the main steam pipeline, the steam branch pipeline is communicated with the interlayer cavity, the gas-liquid output pipeline is communicated with the interlayer cavity, the bottom of the interlayer cavity is provided with a gas-liquid recovery port which is connected with a gas-liquid recovery pipeline, the gas-liquid recovery pipeline is connected with a gas-liquid recoverer, the heating water outlet is connected with a hot water output pipeline, the hot water output pipeline is connected with a water pump, and the tail end of the hot water output pipeline is connected with a hot water uniform distributor.

Further, the heat dissipation pipe is spiral.

Furthermore, a sandstone layer, a PP cotton layer and an activated carbon layer are arranged in the sintering sewage tank in sequence.

Furthermore, a water level meter is arranged at the top of the sintering sewage tank.

Furthermore, the hot water output pipeline is wrapped with an insulating layer.

Further, the hot water uniform distributor is of a frustum-shaped structure with a hollow inner part, water outlet holes are formed in the bottom surface and the side surface of the hot water uniform distributor, and a connecting flange is arranged above the hot water uniform distributor.

Compared with the prior art, the utility model has the beneficial effects that: the utility model adopts sintering sewage as a high-temperature water source for improving the temperature of a sintering mixture, the heating source is steam generated in the sintering process, the sintering sewage and the steam are reasonably utilized, water resources and energy sources are saved, the production cost of an enterprise is reduced, the temperature of the mixture is improved from 25 ℃ to 70 ℃ in summer by adding the high-temperature waste water, the temperature of the mixture is improved from 15 ℃ to 55 ℃ in winter, the fuel ratio is averagely reduced by 0.2 percentage point, the fuel consumption of the sintering production is reduced from 323 tons to 311 tons every day, 12 tons of coke powder are saved daily, 360 tons of the coke powder are saved 30 days per month, the fuel cost can be saved by 43.2 ten thousand yuan per month according to the market price of 1200 yuan per ton, and the fuel cost can be saved by 518.4 ten thousand yuan per year.

Drawings

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

FIG. 2 is a cross-sectional view of the hot water applicator of the present invention.

In the figure: 1. a main steam pipeline; 2. sintering the sewage tank; 3. a heat dissipation pipe; 4. a water level gauge; 5. a gas-liquid output pipeline; 6. a heated water outlet; 7. a steam branch pipe; 8. an interlayer cavity; 9. a sandstone layer; 10. a PP cotton layer; 11. an activated carbon layer; 12. a gas-liquid recovery port; 13. a gas-liquid recovery pipeline; 14. a gas-liquid recoverer; 15. a hot water output pipe; 16. a water pump; 17. a hot water uniform distributor; 18. a connecting flange; 19. and (7) water outlet holes.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples.

As shown in fig. 1 and 2, a sintering sewage steam heating utilization system comprises a main steam pipeline 1, a sintering sewage tank 2, a plurality of heat dissipation pipelines 3 and a gas-liquid output pipeline 5, wherein the main steam pipeline 1 is communicated with the inside of the sintering sewage tank 2, one end of each heat dissipation pipeline 3 is communicated with the main steam pipeline 1 inside the sintering sewage tank 2, the other end of each heat dissipation pipeline is communicated with the gas-liquid output pipeline 5, a heating water outlet 6 is arranged at the bottom of the sintering sewage tank 2, an interlayer cavity 8 is arranged outside the sintering sewage tank 2, a branch steam pipeline 7 is communicated with the main steam pipeline 1, the branch steam pipeline 7 is communicated with the interlayer cavity 8, the gas-liquid output pipeline 5 is communicated with the interlayer cavity 8, a gas-liquid recovery port 12 is arranged at the bottom of the interlayer cavity 8, the gas-liquid recovery port 12 is connected with a gas-liquid recovery pipeline 13, the gas-liquid recovery pipe 13 is connected with a gas-liquid recoverer 14, the heating water outlet 6 is connected with a hot water output pipeline 15, and a water pump 16 is connected with the hot water output pipeline 15, the tail end of the hot water output pipeline 15 is connected with a hot water uniform distributor 17.

Further, in order to increase the heat dissipation area of the heat dissipation pipe 3 and increase the heating speed, the heat dissipation pipe 3 is spiral.

Further, in order to prevent the pipeline and the hot water equilizer 17 from being blocked, a sandstone layer 9, a PP cotton layer 10 and an activated carbon layer 11 are arranged in the sintering sewage tank 2 in sequence. The sandstone layer 9 is used for removing impurities and carrying out primary purification, and the PP cotton layer 10 is used for filtering out silt, impurities and rust larger than 5 microns in raw water; the first activated carbon layer 11 can remove peculiar smell, heterochrosis, partial organic matters and heavy metals from water.

Further, in order to prevent hot water from overflowing, a water level gauge 4 is arranged at the top of the sintering sewage tank 2, and an operator can grasp the water level height of the sintering sewage tank 2 in real time through the water level gauge 4.

Further, in order to reduce heat loss, especially in winter, the hot water outlet pipe 15 is wrapped with an insulating layer.

Furthermore, the hot water distributor 17 is of a hollow frustum-shaped structure, water outlet holes 19 are formed in the bottom surface and the side surface of the hot water distributor 17, the hot water distributor 17 can uniformly spray hot water on the sintering mixture, so that the temperature of the sintering mixture is uniformly increased, and a connecting flange 18 is arranged above the hot water distributor 17 to facilitate connection of the hot water distributor with the hot water output pipeline 15.

The working process of the utility model is as follows: firstly, introducing collected sintering steam into a main steam pipeline 1, wherein a part of the steam in the main steam pipeline 1 enters a heat dissipation pipeline 3, a part of the steam enters an interlayer cavity 8 through a branch steam pipeline 7, the steam in the heat dissipation pipeline 3 and the interlayer cavity 8 exchanges heat with sewage in a sintering sewage tank 2 to heat the sewage, the steam in the heat dissipation pipeline 3 and the interlayer cavity 8 is changed into a gas-liquid mixture after heat exchange, the water-liquid mixture in the heat dissipation pipeline 3 enters the interlayer cavity 8 through a gas-liquid output pipeline 5, and the gas-liquid mixture collected in the interlayer cavity 8 enters a gas-liquid recoverer 14 through a gas-liquid recovery port 12 and a gas-liquid recovery pipeline 13; the heated sewage firstly passes through the sandstone layer 9, the PP cotton layer 10 and the activated carbon layer 11 in sequence to be filtered and purified, then the filtered heating water is pumped out through the heating water outlet 6 by the water pump 16, and is conveyed to the hot water uniform distributor 17 through the hot water output pipeline 15 to be uniformly sprayed on the sintering mixture, and finally the material temperature of the sintering mixture is improved.

The above embodiments are only for illustrating the utility model and are not to be construed as limiting the utility model, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model, therefore, all equivalent technical solutions also belong to the scope of the utility model, and the scope of the utility model is defined by the claims.

Claims

1. The utility model provides a sintering sewage steam heating utilizes system, includes steam trunk line (1), sintering sewage case (2), at least one heat dissipation pipeline (3) and gas-liquid output pipeline (5), steam trunk line (1) communicates to sintering sewage case (2) inside, heat dissipation pipeline (3) one end and inside steam trunk line (1) of sintering sewage case (2) communicate, the other end and gas-liquid output pipeline (5) intercommunication, sintering sewage case (2) bottom is equipped with adds hot water outlet (6), its characterized in that: the sintering sewage tank is characterized in that an interlayer cavity (8) is arranged outside the sintering sewage tank (2), a steam branch pipeline (7) is communicated with the main steam pipeline (1), the steam branch pipeline (7) is communicated with the interlayer cavity (8), the gas-liquid output pipeline (5) is communicated with the interlayer cavity (8), a gas-liquid recovery port (12) is arranged at the bottom of the interlayer cavity (8), the gas-liquid recovery port (12) is connected with a gas-liquid recovery pipeline (13), the gas-liquid recovery pipeline (13) is connected with a gas-liquid recoverer (14), a hot water output pipeline (15) is connected with a hot water outlet (6), a water pump (16) is connected onto the hot water output pipeline (15), and the tail end of the hot water output pipeline (15) is connected with a hot water uniform distributor (17).

2. The sintering waste water steam heating utilization system as claimed in claim 1, wherein: the heat dissipation pipeline (3) is spiral.

3. The sintering wastewater steam heating utilization system according to claim 1, characterized in that: and a sandstone layer (9), a PP cotton layer (10) and an activated carbon layer (11) are arranged in the sintering sewage tank (2) in sequence.

4. The sintering wastewater steam heating utilization system according to claim 1, characterized in that: and a water level gauge (4) is arranged at the top of the sintering sewage tank (2).

5. The sintering waste water steam heating utilization system as claimed in claim 1, wherein: the hot water output pipeline (15) is wrapped with a heat insulation layer.

6. The sintering waste water steam heating utilization system as claimed in claim 1, wherein: hot water equipartition ware (17) are the frustum column structure of inside hollow, hot water equipartition ware (17) bottom surface and side are equipped with apopore (19), hot water equipartition ware (17) top is equipped with flange (18).