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CN-122012919-A - Equipment for effectively raising temperature of sintering two-mixture

CN122012919ACN 122012919 ACN122012919 ACN 122012919ACN-122012919-A

Abstract

The invention relates to the technical field of temperature elevation of secondary mixed materials, in particular to equipment for effectively elevating the temperature of sintering secondary mixed materials, which comprises a secondary mixed machine and supporting legs, wherein the four corners of the lower end of the outer wall of the secondary mixed machine are fixedly connected with the supporting legs, a spraying assembly is arranged in the secondary mixed machine, and a water supply assembly is distributed on the left side of the outer wall of the secondary mixed machine. Through cooperation between plate heat exchanger, flow control valve, water supply booster pump, atomizer and two mixes the mixer, can realize "waste heat-mixture preheats-water conservation" synergistic, can reduce sintering process energy consumption 10% -15%, reduce waste water treatment cost simultaneously, can reduce the condensation of steam in the bed of material after the mixture temperature is improved, avoid thickening the overwet layer to improve the gas permeability of mixture, sintering speed increases 10%, and then reduces the fuel consumption.

Inventors

  • ZHANG LEIZHONG
  • LI QINGJUN
  • LI XIAOLONG
  • SHI JUNTIAN
  • ZHANG HAOYUN
  • BAI SICONG

Assignees

  • 建龙阿城钢铁有限公司

Dates

Publication Date
20260512
Application Date
20260224

Claims (8)

  1. 1. The equipment for effectively improving the temperature of the sintering secondary mixed mixture comprises a secondary mixed mixer (1) and supporting legs (2), wherein the supporting legs (2) are fixedly connected to four corners of the lower end of the outer wall of the secondary mixed mixer (1), and the equipment is characterized in that a plurality of top beams (7) are fixedly connected to the upper end of the secondary mixed mixer (1), a servo motor (6) is fixedly connected to the upper right side of the outer wall of the secondary mixed mixer (1), a belt transmission mechanism (5) is mounted on an output shaft of the servo motor (6), spraying components (4) are mounted in the secondary mixed mixer (1), and water supply components (3) are distributed on the left side of the outer wall of the secondary mixed mixer (1).
  2. 2. The device for effectively raising the temperature of the sintered secondary mixed material according to claim 1, wherein the water supply assembly (3) comprises a water supply booster pump (304), a waste residue hot water pipe (305) is arranged at the front side of the left end of the water supply booster pump (304), the front side of the right end of the water supply booster pump (304) is communicated with a flow regulating valve (303) through a pipeline, the front side of the right end of the flow regulating valve (303) is communicated with a plate heat exchanger (302) through a pipeline, and a water supply pipe (301) is communicated with the upper right corner of the front end of the plate heat exchanger (302).
  3. 3. The device for effectively raising the temperature of the sintered two-mixture according to claim 2, wherein a heat exchange water inlet pipe (13) and a heat exchange water outlet pipe (11) are arranged at the left lower corner and the right upper corner of the front end of the plate heat exchanger (302), the heat exchange water inlet pipe (13) is communicated with a flow regulating valve (303) through a pipeline, and the heat exchange water outlet pipe (11) is fixedly communicated with a water supply pipe (301).
  4. 4. The apparatus for effectively raising the temperature of a sintered two-mixture as claimed in claim 2, wherein a heat absorbing drain pipe (12) and a heat absorbing water inlet pipe (14) are respectively installed at the upper left corner and the lower right corner of the front end of the plate heat exchanger (302).
  5. 5. The device for effectively raising the temperature of the sintered secondary mixed material according to claim 1, wherein the spraying assembly (4) comprises a sleeve (404), the left outer wall of the sleeve (404) is fixedly communicated with the tail end of the water supply pipe (301), the upper side and the lower side of the inner wall of the sleeve (404) are rotationally connected with an upper water tank (405) through sealing bearings, a plurality of water holes (407) are formed in the outer wall of the upper water tank (405), the outer side of the lower end of the upper water tank (405) is fixedly communicated with a lower water tank (406) through a vertical pipe, and the outer wall of the lower water tank (406) is fixedly communicated with the atomizing nozzle (402) through a plurality of spraying pipes (401).
  6. 6. The device for effectively raising the temperature of the sintered two-mixture as claimed in claim 5, wherein the inner walls of the upper water tank (405) and the lower water tank (406) are fixedly connected with the rotating part of the spiral belt stirrer (403), and the upper part of the spiral belt stirrer (403) is rotationally connected with the servo motor (6) through a belt transmission mechanism (5).
  7. 7. The device for effectively raising the temperature of the sintering two-mixture according to claim 1, wherein a discharge port (8) is arranged at the front side of the outer wall of the two-mixture mixer (1), and a slag discharge port (10) is arranged below the outer wall of the two-mixture mixer (1).
  8. 8. The device for effectively raising the temperature of the sintering two-mixture according to claim 1, wherein a control panel (9) is fixedly connected to the left outer wall of the supporting leg (2) at one side.

Description

Equipment for effectively raising temperature of sintering two-mixture Technical Field The invention relates to the technical field of temperature elevation of a secondary mixed material, in particular to equipment for effectively elevating the temperature of a sintered secondary mixed material. Background The prior Alsteel sintering mixture is mainly preheated by steam or waste heat of waste gas, but has the problems of high energy consumption and high cost. The hot water generated after the blast furnace slag flushing treatment is usually directly discharged or simply treated and is not effectively utilized. Therefore, the operation improvement method for improving the document of the sintering two-mixture by adopting hot water to raise the temperature after slag flushing and recycling is provided. The technology belongs to the optimization of waste heat recovery, and relates to the combination of waste water treatment and heat energy utilization. A large amount of high-temperature wastewater (with the temperature of 90-110 ℃) is generated in the process of treating blast furnace slag (blast furnace slag) in an iron-mill, and the energy waste is caused by directly cooling and discharging in the traditional treatment mode. Meanwhile, the temperature (usually 50-55 ℃) of the sintered secondary mixed mixture is insufficient, so that the gas permeability of the material layer is poor, and the solid burnup is high. This patent is through waste water heat transfer and intelligent regulation and control, realizes the high-efficient recovery of waste water waste heat, promotes sintering mixture temperature to 63~67 ℃, reduces sintering process energy consumption, simultaneously, if only adopts fixed atomizer to lead to appearing the uneven problem at dead angle that appears easily of mixing between waste water and the material. Disclosure of Invention The invention aims to solve the problems that a large amount of high-temperature wastewater (with the temperature of 90-110 ℃) is generated in the process of treating blast furnace slag (blast furnace slag) in an iron-mill by using the device, energy waste is caused by direct cooling and discharging in a traditional treatment mode, meanwhile, the material layer is poor in air permeability and high in solid fuel consumption due to the fact that the temperature of a sintered secondary mixed material (usually 50-55 ℃) is insufficient, and dead angles are easy to occur due to uneven mixing between the waste hot water and the material due to the fact that only a fixed atomizing nozzle is adopted, and provides equipment for effectively improving the temperature of the sintered secondary mixed material. In order to achieve the above purpose, the present invention provides the following technical solutions: The utility model provides an equipment of two mix mixture temperatures of effective promotion sintering, includes two mix mixer and supporting legs, two outer wall lower extreme four corners of mixing the mixer all rigid coupling has the supporting legs, two upper ends of mixing the mixer have a plurality of back timber, and two outer wall right side top rigid coupling of mixing the mixer have servo motor, belt drive mechanism is installed to servo motor's output shaft, two internally mounted of mixing the mixer has spray assembly, two outer wall left side of mixing the mixer distributes and has water supply assembly. The device realizes the injection of waste hot water of the material input collocation atomizing nozzle through the opening at the upper part of the secondary mixing machine, so that the output shaft of the servo motor can drive the spiral belt stirrer to stir through the belt transmission mechanism. Preferably, the water supply assembly comprises a water supply booster pump, a waste residue hot water pipe is arranged at the front side of the left end of the water supply booster pump, the front side of the right end of the water supply booster pump is communicated with a flow regulating valve through a pipeline, the front side of the right end of the flow regulating valve is communicated with a plate heat exchanger through a pipeline, and a water supply pipe is communicated with the right upper corner of the front end of the plate heat exchanger. The waste hot water is indirectly contacted and exchanges heat through the corrugated plate, and the cooled waste hot water can be injected into a spray pipe and an atomization spray nozzle through a water supply pipe to be finally sprayed out, so that the hot water after heat exchange is uniformly sprayed on the surface of the mixture. Preferably, a heat exchange water inlet pipe and a heat exchange water drain pipe are respectively arranged at the left lower corner and the right upper corner of the front end of the plate heat exchanger, the heat exchange water inlet pipe is communicated with the flow regulating valve through a pipeline, and the heat exchange water drain pipe is fixedly communicated with the wate