CN218523968U

CN218523968U - Flue gas discharging device of zinc smelting sintering machine

Info

Publication number: CN218523968U
Application number: CN202122584864.0U
Authority: CN
Inventors: 王炜晟
Original assignee: Hainan Shangzhi Technology Co ltd
Current assignee: Hainan Shangzhi Technology Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2023-02-24
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a flue gas discharging device of zinc metallurgy sintering machine, including flue gas delivery pipe, heat exchanger and water storage box, be equipped with the heat insulating board in the water storage box, the heat insulating board will first cavity, second cavity, third cavity and fourth cavity are split into in proper order to the water storage box, be equipped with in first cavity, second cavity, third cavity and the fourth cavity respectively the heat exchanger, flue gas delivery pipe establishes ties with the heat exchanger in first cavity, third cavity, second cavity and the fourth cavity in proper order, the heat insulating board is equipped with the through-hole, be equipped with the thermoelectric generation piece in the through-hole, the thermoelectric generation piece is used for supplying power for the consumer. The utility model provides a flue gas discharging device of zinc metallurgy sintering machine with a plurality of cavitys of share in the cistern, promotes the recovery of flue gas waste heat, utilizes the temperature difference that the recovery process produced to generate electricity simultaneously.

Description

Flue gas discharging device of zinc smelting sintering machine

Technical Field

The utility model relates to a smoke discharge technical field, in particular to smoke discharge device of zinc smelting sintering machine.

Background

The flue gas of the zinc smelting sintering machine contains certain heat, and is discharged without recovering the waste heat of the flue gas, so that a large amount of energy is wasted. In the prior art, the flue gas passes through the water storage tank, and the flue gas and the water in the water storage tank are utilized for heat exchange, so that the heat in the flue gas is recovered. However, in the prior art, the water in the reservoir is not divided into a plurality of cavities during heat exchange, for example, chinese patent publication No. CN 112691468A: the utility model provides a boiler is with flue gas waste heat recovery device that has filtering capability, the inner chamber of the catch basin that carries out the heat transfer all adopts structure as an organic whole for the mutual flow of water in the catch basin, each regional temperature is the same in the catch basin, leads to getting into the terminal flue gas of delivery pipe and the difference in temperature of temperature in the catch basin low, is unfavorable for waste heat recovery. Because the reservoir in the waste heat recovery process has no temperature difference, the temperature difference cannot be utilized for generating electricity.

Disclosure of Invention

To the above prior art, the utility model provides a flue gas discharging device of zinc metallurgy sintering machine promotes the recovery of flue gas waste heat with a plurality of cavitys of share in the cistern, utilizes the temperature difference that the recovery process produced to generate electricity simultaneously.

The technical scheme of the invention is realized as follows:

the utility model provides a flue gas discharging device of zinc metallurgy sintering machine, includes flue gas discharging pipe, heat exchanger and water storage box, be equipped with the heat insulating board in the water storage box, the heat insulating board will first cavity, second cavity, third cavity and fourth cavity are split into in proper order to the water storage box, be equipped with in first cavity, second cavity, third cavity and the fourth cavity respectively the heat exchanger, flue gas discharging pipe establishes ties with the heat exchanger in first cavity, third cavity, second cavity and the fourth cavity in proper order, the heat insulating board is equipped with the through-hole, be equipped with thermoelectric generation piece in the through-hole, thermoelectric generation piece is used for supplying power for the consumer.

Furthermore, the heat exchanger includes a plurality of S-shaped pipes and heat exchanger fins, the S-shaped pipes are connected in series in proper order, the flue gas follows circulation in the S-shaped pipes, the S-shaped pipe outer wall is equipped with a plurality of the heat exchanger fins.

Furthermore, the water storage tank is cylindrical, a central column is arranged in the water storage tank, and the heat insulation plate surrounds the central column to be fixed.

Further, the water storage tank is provided with a water inlet pipe, the water inlet pipe is communicated with the fourth cavity, the first cavity is communicated with the third cavity, the third cavity is communicated with the second cavity, the second cavity is communicated with the fourth cavity, and the first cavity is provided with a drain pipe.

Furthermore, stirring devices are arranged in the first cavity, the second cavity, the third cavity and the fourth cavity.

Further, agitating unit includes impeller, pivot, first magnet, rotating ring, second magnet and stirring leaf, the S-shaped intraductal impeller, pivot and the first magnet of being equipped with, the pivot is installed on the bearing frame, the bearing frame is fixed in the S-shaped intraductal, first magnet with pivot fixed connection, the lateral wall of S-shaped pipe is equipped with the rotating ring, the rotating ring is equipped with the second magnet, first magnet with the second magnet inter attraction, the rotating ring is equipped with the stirring leaf.

Furthermore, two ends of the rotating ring are provided with limiting rings.

The beneficial effects of the utility model reside in that:

the heat between the adjacent cavities can not be easily and directly transferred to each other, namely the heat in the first cavity can not be easily and directly transferred to the fourth cavity, so that the temperature in the fourth cavity is kept relatively reduced, and the heat release of the flue gas at the tail end of the flue gas discharge pipe is facilitated. In the process of flue gas emission, the heat exchanger is utilized to heat the waste heat in the flue gas to the water in the water storage tank, so that the waste heat in the flue gas is fully utilized, and the energy utilization rate is improved. The water storage tank is divided into 4 cavities, after the water storage tank absorbs the waste heat of the flue gas, the temperature difference between adjacent cavities in the water storage tank is large, the temperature difference between adjacent cavities is utilized to generate electricity, and the utilization rate of energy is further improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.

Fig. 1 is a schematic structural view of a flue gas discharge device of a zinc smelting sintering machine in embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a water storage tank, a heat insulation plate and a central column in embodiment 2 of the present invention;

fig. 3 is a schematic structural view of a flue gas discharge device of a zinc smelting sintering machine in embodiment 3 of the present invention;

fig. 4 is a cross-sectional view of the area a of fig. 3 according to the present invention;

in the figure, 1 flue gas discharge pipe, 2 heat exchangers, 3 water storage tanks, 4 heat insulation plates, 5 through holes, 6 thermoelectric generation sheets, 7S-shaped pipes, 8 heat exchange sheets, 9 central columns, 10 water inlet pipes, 11 water outlet pipes, 12 stirring devices, 13 impellers, 14 rotating shafts, 15 first magnets, 16 rotating rings, 17 second magnets, 18 stirring blades, 19 bearing seats, 20 limiting rings, 21 first cavities, 22 second cavities, 23 third cavities and 24 fourth cavities.

Detailed Description

In order to better understand the technical contents of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.

Example 1

Referring to fig. 1, a flue gas discharging device of a zinc smelting sintering machine comprises a flue gas discharging pipe 1, a heat exchanger 2 and a water storage tank 3, wherein a heat insulation plate 4 is arranged in the water storage tank 3, the heat insulation plate 4 divides the water storage tank 3 into a first cavity 21, a second cavity 22, a third cavity 23 and a fourth cavity 24 in sequence, the heat exchanger 2 is arranged in the first cavity 21, the second cavity 22, the third cavity 23 and the fourth cavity 24 respectively, the flue gas discharging pipe 1 is connected with the heat exchanger 2 in the first cavity 21, the third cavity 23, the second cavity 22 and the fourth cavity 24 in sequence, the heat insulation plate 4 is provided with a through hole 5, a thermoelectric power generation sheet 6 is arranged in the through hole 5, and the thermoelectric power generation sheet is used for supplying power to electric equipment.

The flue gas generated by the zinc smelting sintering machine enters a flue gas discharge device before being discharged. The flue gas with waste heat flows in flue gas discharge pipe 1, heat exchanger 2, and heat exchanger 2 is located in water storage tank 3, in the in-process that the flue gas flows transmits the heat to water storage tank 3 through heat exchanger 2 to absorb the waste heat of flue gas. The water storage tank 3 is divided into a first cavity 21, a second cavity 22, a third cavity 23 and a fourth cavity 24 in sequence by a heat insulation plate 4, the first cavity 21 is adjacent to the second cavity 22, the second cavity 22 is adjacent to the third cavity 23, the third cavity 23 is adjacent to the fourth cavity 24, the heat exchangers 2 in the first cavity 21, the third cavity 23, the second cavity 22 and the third cavity 23 are connected in series through the flue gas discharge pipe 1, so that flue gas discharged from the zinc smelting sintering machine sequentially says the heat exchanger 2 of the first cavity 21, the heat exchanger 2 of the third cavity 23, the heat exchanger 2 of the second cavity 22 and the heat exchanger 2 in the third cavity 23, the temperature of the flue gas is gradually reduced in the flowing process, and the temperature of the first cavity 21 in the water storage tank 3 is higher than the temperature of the third cavity 23 and the temperature of the second cavity 22 is higher than the temperature of the fourth cavity 24. The heat between the adjacent cavities can not be easily and directly transferred to each other, that is, the heat in the first cavity 21 can not be easily and directly transferred to the fourth cavity 24, so that the temperature in the fourth cavity 24 is kept relatively reduced, and the heat release of the flue gas at the tail end of the flue gas discharge pipe 1 is facilitated. Set up through-hole 5 on heat insulating board 4 to set up the thermoelectric generation piece in through-hole 5, the both sides difference in temperature of thermoelectric generation piece is big, improves the generated power of thermoelectric generation piece, utilizes the thermoelectric generation piece to generate electricity, is used for supplying power for consumer with the electricity that sends. The electric equipment comprises an illuminating lamp, a charger and the like, and the storage battery is charged through the charger.

Preferably, the thermoelectric generation piece is a thermoelectric generation piece subjected to waterproof treatment. Preferably, set up the metal conducting strip in the both sides of through-hole 5, the metal conducting strip contacts with the thermoelectric generation piece, utilizes the metal conducting strip sealed through-hole 5.

Specifically, the heat exchanger 2 comprises a plurality of S-shaped pipes 7 and heat exchange fins 8, the S-shaped pipes 7 are sequentially connected in series, smoke circulates in the S-shaped pipes 7, and the heat exchange fins 8 are arranged on the outer wall of each S-shaped pipe 7. The S-shaped pipes 7 are connected in series in sequence, so that when the flue gas flows in the heat exchanger 2, the flow time of the flue gas is prolonged, and the heat in the flue gas is promoted to be transferred to the cavity. The outer wall of the S-shaped pipe 7 is provided with the plurality of heat exchange fins 8, the heat of the S-shaped pipe 7 heats the water in the cavity through the heat exchange fins 8, the temperature of the water in the water storage tank 3 is improved, and the waste heat recovery efficiency is improved.

Specifically, the water storage tank 3 is provided with a water inlet pipe 10, the water inlet pipe 10 is communicated with a fourth cavity 21, the first cavity 21 is communicated with a third cavity 23, the third cavity 23 is communicated with a second cavity 22, the second cavity 22 is communicated with a fourth cavity 24, and the first cavity 24 is provided with a drain pipe 11. The flow direction of rivers is opposite with the flow direction of flue gas for the heat transfer is carried out with the flue gas through exothermic low temperature water that just got into, the high temperature water after the heat absorption and the flue gas that does not release heat, promotes the aquatic that the heat in the flue gas enters into water storage box 3, improves energy utilization.

Example 2

Referring to fig. 2, the present embodiment is different from embodiment 1 in that the water storage tank 3 is cylindrical, a central pillar 9 is disposed in the water storage tank 3, and the heat insulation board 4 is fixed around the central pillar 9. The first cavity 21, the second cavity 22, the third cavity 23 and the fourth cavity 24 are distributed around the central column 9, on the basis that the first cavity 21 is adjacent to the second cavity 22, the second cavity 22 is adjacent to the third cavity 23, and the third cavity 23 is adjacent to the fourth cavity 24, the first cavity 21 is adjacent to the fourth cavity 24, the temperature difference between the first cavity 21 and the fourth cavity 24 is large, and the power generation efficiency of the thermoelectric power generation piece is greatly improved. The central column 9 can prevent 4 cavities from forming sharp corners at the positions close to the center, and promote water in the cavities to flow.

Example 3

Referring to fig. 3 to 4, the present embodiment is different from embodiment 1 in that the first cavity 21, the second cavity 22, the third cavity 23 and the fourth cavity 24 are all provided with a stirring device 12 therein. The stirring device 12 is used for continuously stirring the water in the first cavity 21, the second cavity 22, the third cavity 23 and the fourth cavity 24, so that the water flow movement is promoted, and the heat exchange efficiency is improved.

Specifically, agitating unit 12 includes impeller 13, pivot 14, first magnet 15, swivel ring 16, second magnet 17 and stirring leaf 18, be equipped with in the S-shaped pipe 7 impeller 13, pivot 14 and first magnet 15, pivot 14 is installed on bearing frame 19, bearing frame 19 is fixed in the S-shaped pipe 7, first magnet 15 with pivot 14 fixed connection, the lateral wall of S-shaped pipe 7 is equipped with swivel ring 16, swivel ring 16 is equipped with second magnet 17, first magnet 15 with second magnet 17 inter attraction, swivel ring 16 is equipped with stirring leaf 18. The impeller 13 is arranged on a rotating shaft 14, the rotating shaft 14 is rotatably connected on a bearing seat 19, and the bearing seat 19 is fixed in the S-shaped pipe 7. When the flue gas flows through the S-shaped pipe 7, the flue gas pushes the impeller 13 to rotate, and the impeller 13 drives the first magnet 15 fixed on the rotating shaft 14 to rotate. The outer wall of the S-shaped pipe 7 is provided with a rotating ring 16, the rotating ring 16 is provided with a second magnet 17, and the second magnet 17 and the first magnetic field attract each other, so that when the first magnet 15 rotates, the first magnet 15 can drive the second magnet 17 to rotate through magnetic force, and the rotating ring 16 is driven to rotate. When the rotating ring 16 rotates, the stirring blades 18 are driven to rotate, so that water in the cavity is stirred, water flow movement is promoted, and heat in the flue gas is promoted to enter the cavity.

Specifically, two ends of the rotating ring 16 are provided with limiting rings 20. The stop collar 20 prevents the rotation ring 16 from moving along the S-shaped pipe 7, and keeps the second magnet 17 on the rotation ring 16 and the first magnet 15 on the rotation shaft 14 in a position corresponding to each other.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a flue gas discharging equipment of zinc metallurgy sintering machine, its characterized in that, includes flue gas discharging pipe, heat exchanger and water storage box, be equipped with the heat insulating board in the water storage box, the heat insulating board will first cavity, second cavity, third cavity and fourth cavity are split into in proper order to the water storage box, be equipped with in first cavity, second cavity, third cavity and the fourth cavity respectively the heat exchanger, flue gas discharging pipe establishes ties with the heat exchanger in first cavity, third cavity, second cavity and the fourth cavity in proper order, the heat insulating board is equipped with the through-hole, be equipped with the thermoelectric generation piece in the through-hole, the thermoelectric generation piece is used for supplying power for the consumer.

2. The smoke discharging device for the zinc smelting sintering machine according to claim 1, wherein the heat exchanger comprises a plurality of S-shaped pipes and heat exchange fins, the S-shaped pipes are connected in series, smoke flows through the S-shaped pipes, and the heat exchange fins are arranged on the outer wall of each S-shaped pipe.

3. The smoke discharging device for the zinc smelting sintering machine as claimed in claim 1, wherein the water storage tank is cylindrical, a central column is arranged in the water storage tank, and the heat insulation plate is fixed around the central column.

4. The smoke discharging device for the zinc smelting sintering machine according to claim 1, wherein the water storage tank is provided with a water inlet pipe, the water inlet pipe is communicated with the fourth cavity, the first cavity is communicated with the third cavity, the third cavity is communicated with the second cavity, the second cavity is communicated with the fourth cavity, and the first cavity is provided with a water discharging pipe.

5. The smoke discharging device for the zinc smelting sintering machine according to the claim 2 is characterized in that stirring devices are arranged in the first cavity, the second cavity, the third cavity and the fourth cavity.

6. The smoke discharging device for the zinc smelting sintering machine according to claim 5, wherein the stirring device comprises an impeller, a rotating shaft, a first magnet, a rotating ring, a second magnet and stirring blades, the impeller, the rotating shaft and the first magnet are arranged in the S-shaped pipe, the rotating shaft is installed on a bearing seat, the bearing seat is fixed in the S-shaped pipe, the first magnet is fixedly connected with the rotating shaft, the rotating ring is arranged on the outer side wall of the S-shaped pipe, the second magnet is arranged on the rotating ring, the first magnet and the second magnet attract each other, and the stirring blades are arranged on the rotating ring.

7. The smoke discharging device for the zinc smelting sintering machine according to the claim 6 is characterized in that the two ends of the rotating ring are provided with limiting rings.