CN213179483U

CN213179483U - Metallurgical sediment waste heat recovery device

Info

Publication number: CN213179483U
Application number: CN202020880743.3U
Authority: CN
Inventors: 欧倩倩
Original assignee: Individual
Current assignee: Xi'an Zhonghe Aluminum Co Ltd
Priority date: 2020-05-23
Filing date: 2020-05-23
Publication date: 2021-05-11
Anticipated expiration: 2030-05-23

Abstract

The utility model discloses a metallurgical sediment waste heat recovery device relates to metallurgical waste heat recovery field, including the slag furnace, the inside of slag furnace is provided with interior stove, and slag furnace and interior stove junction are provided with the heat absorption tank, the bottom of slag furnace is connected with the purification water filler mouth, and the one end at purification water filler mouth is provided with the purification water delivery port, one side of slag furnace is provided with the cooling water filling port, and the below that is located the cooling water filling port is provided with the purification water filler mouth, the top that the opposite side of slag furnace is located the purification water filler mouth is provided with the waste water delivery port. The utility model effectively realizes the recovery function of steam heat by arranging the steam pipeline and the heat absorption pipe, and transmits the high-temperature heat in the steam to the purified water in the heat absorption pipe by the heat transfer principle to achieve the purpose of heat recovery; the purified water in the heat absorption tank is effectively transmitted to the slag furnace body through the heat transfer mode by arranging the heat absorption tank, so that the heat recovery is realized, and the energy consumption is reduced.

Description

Metallurgical sediment waste heat recovery device

Technical Field

The utility model relates to a field specifically is a metallurgical sediment waste heat recovery device of metallurgical waste heat recovery.

Background

With the development of manufacturing industry, the metallurgical industry is prosperous, various metal products are short of demand in each industry every year, and although the metallurgical industry makes a contribution to economic development, the energy consumption of the metallurgical industry is huge.

Because the large amount of slag produced by smelting generates huge heat which is generally dissipated after cooling, because the huge amount of steam has tremendous heat in the cooling process, and the large amount of heat also exists in the slag furnace, the consumption of other energy sources can be reduced if the heat can be utilized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem of heat recovery in steam and slag furnaces, a metallurgical slag waste heat recovery device is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a metallurgical sediment waste heat recovery device, includes the slag furnace, the inside of slag furnace is provided with interior stove, and slag furnace and interior stove junction are provided with the heat absorption groove, one side of slag furnace is provided with the cooling water filling port, and is located the below of cooling water filling port and is provided with the purification water filler, the opposite side of slag furnace is provided with the purification water delivery port, and the below that the opposite side of slag furnace is located the purification water delivery port is provided with the waste water delivery port, the top of slag furnace is provided with the waste residue and goes into the fire door, and one side that the top of slag furnace is located the waste residue and goes into the fire door is connected with steam conduit, steam conduit's bottom is connected with the condenser, and steam conduit's outer wall is located the top of condenser and is provided with the exhaust hole, steam conduit's inner.

Preferably, the slag inlet, the steam pipeline and the slag furnace are connected through flange plates, and the joints of the slag inlet, the steam pipeline and the slag furnace are fixed through bolt nuts.

Preferably, the purified water injection port is connected with the purified water outlet through a heat absorption groove.

Preferably, the slag furnace is of a hollow structure, and the heat absorption groove in the slag furnace is spiral.

Preferably, the heat absorbing pipe spirally surrounds the inner wall of the steam pipeline.

Preferably, the purified water injection port, the purified water outlet, the cooling water injection port, the wastewater outlet and the waste residue inlet are all provided with valves.

Preferably, a pressure valve is arranged at the exhaust hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model effectively realizes the recovery function of steam heat by arranging the steam pipeline and the heat absorption pipe, and transmits the high-temperature heat in the steam to the purified water in the heat absorption pipe by the heat transfer principle to achieve the purpose of heat recovery; the heat in the slag furnace body is effectively transmitted to the purified water in the heat absorption tank in a heat transfer mode through the heat absorption tank, so that the heat recovery is realized, and the energy consumption is reduced; the steam which is consumed by heat is cooled into liquid water by arranging the condenser, and then the liquid water is thrown into the slag furnace again through the condensing pipeline, so that the purpose of steam recovery is achieved, and the function of water resource recycling is realized.

Drawings

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

FIG. 2 is a schematic structural view of a slag furnace and an inner furnace of the utility model;

fig. 3 is a schematic view of the structure of the heat absorbing pipe and the steam pipeline of the present invention.

In the figure: 1. slag furnace; 2. an inner furnace; 3. a heat absorption tank; 4. purifying a water injection port; 5. a purified water outlet; 6. cooling the water injection port; 7. a wastewater outlet; 8. feeding the waste slag into a furnace mouth; 9. a steam line; 10. an exhaust hole; 11. a condenser; 12. a condensing duct; 13. a heat absorbing pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The condenser W-1 mentioned in the utility model can be obtained by market or private ordering.

Referring to fig. 1-3, a metallurgical slag waste heat recovery device comprises a slag furnace 1, an inner furnace 2 arranged inside the slag furnace 1, and a heat absorption groove 3 is arranged at the joint of the slag furnace 1 and the inner furnace 2, a cooling water injection port 6 is arranged at one side of the slag furnace 1, a purified water injection port 4 is arranged below the cooling water injection port 6, a purified water outlet 5 is arranged at the other side of the slag furnace 1, and the other side of the slag furnace 1 is provided with a wastewater outlet 7 below the purified water outlet 5, the top end of the slag furnace 1 is provided with a waste slag inlet 8, and one side of the top end of the slag furnace 1, which is positioned at the slag inlet 8, is connected with a steam pipeline 9, the bottom end of the steam pipeline 9 is connected with a condenser 11, and the outer wall of the steam pipeline 9 is provided with an exhaust hole 10 above the condenser 11, the inner wall of the steam pipeline 9 is provided with a heat absorption pipe 13, and the bottom end of the condenser 11 is connected with a condensation pipeline 12.

Please refer to fig. 1, the slag inlet 8, the steam pipeline 9 and the slag furnace 1 are all connected by flanges, and the joints of the slag inlet 8, the steam pipeline 9 and the slag furnace 1 are all fixed by bolt nuts, so as to strengthen the connection structure, avoid dangerous behaviors caused by leakage of slag or gas at the joints, and improve the tightness and durability of the connection structure.

Please refer to fig. 1, the purified water inlet 4 is connected to the purified water outlet 5 through the heat absorbing tank 3, the connection method can separate the purified water and the waste water effectively, the purified water is prevented from being polluted by the waste water, and the purified water can be directly used in daily water supply and heating scenes after being absorbed by heat, so as to achieve the function of heat recovery and reduce energy consumption.

Please refer to fig. 2, the slag furnace 1 is a hollow structure, the inner heat absorption tank 3 is spiral, the combination of the hollow structure and the spiral structure maximizes the water storage capacity of the heat absorption tank 3, recovers heat in the largest area, and simultaneously has the largest cooling effect on the slag furnace 1, and increases the water source fluidity of the heat absorption tank 3, so that the purified water after recovering heat can be naturally discharged along with the action of gravity, and the use and arrangement of other matching facilities are reduced.

Please refer to fig. 3, the heat absorbing pipe 13 is spirally wound around the inner wall of the steam pipeline 9, and the spiral structure maximizes the water storage capacity of the heat absorbing pipe 13, recovers heat in the largest area, and simultaneously performs the largest cooling effect on the steam pipeline 9.

Referring to fig. 1, the purified water inlet 4, the purified water outlet 5, the cooling water inlet 6, the waste water outlet 7, and the waste slag inlet 8 are all provided with valves to effectively control the water source inflow and outflow of each water inlet and outlet, enhance the water source management, and reduce and avoid waste and pollution caused by the unregulated discharge and inflow of water source and events unfavorable for heat energy recovery.

Please refer to fig. 1, a pressure valve is disposed at the exhaust hole 10, when the pressure in the pipe is higher than the index due to the failure or damage of the condenser 11, the exhaust hole 10 is started, and corresponding emergency measures are provided through the exhaust hole, so that the steam in the steam pipe 9 can be effectively removed in emergency, and the occurrence of pipe burst or dangerous accidents is avoided, thereby achieving the effect of reducing the risk.

The working principle is as follows: firstly, when waste slag is discharged into an inner furnace 2 from a waste slag inlet 8, the waste slag reacts with cooling water flowing into the inner furnace from a cooling water inlet 6 and is cooled, the heat generated during cooling is absorbed by purified water flowing into a heat absorption tank 3 from a purified water inlet 4, and simultaneously the inner furnace 2 has a secondary cooling effect, the heated purified water is discharged into a corresponding water storage tank from a purified water outlet 5 and is stored, secondly, a large amount of steam generated after the waste slag reacts with the cooling water in the inner furnace 2 enters a steam pipeline 9, then, a heat absorption pipe 13 arranged on the inner wall of the steam pipeline 9 absorbs the heat of the steam and cools the steam pipeline 9, purified water in a heat absorption pipe 13 which absorbs the heat is also discharged into the storage, secondly, the heat is absorbed by the steam entering a condenser 11, and finally, the steam condensed by the water storage tank 11 enters a condensation pipe 12 in a liquid state and flows into the inner furnace again in a recycling manner, when the condenser 11 breaks down and the air pressure in the pipeline exceeds the index, the pressure valve on the outer wall of the exhaust hole 10 is started to discharge the steam in the steam pipeline 9 in an emergency, so that dangerous accidents are avoided.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a metallurgical sediment waste heat recovery device, includes slag furnace (1), its characterized in that: the slag furnace is characterized in that an inner furnace (2) is arranged inside the slag furnace (1), a heat absorption groove (3) is arranged at the joint of the slag furnace (1) and the inner furnace (2), a cooling water injection port (6) is arranged on one side of the slag furnace (1), a purified water injection port (4) is arranged below the cooling water injection port (6), a purified water outlet (5) is arranged on the other side of the slag furnace (1), a wastewater outlet (7) is arranged below the purified water outlet (5) on the other side of the slag furnace (1), a waste slag inlet (8) is arranged on the top of the slag furnace (1), a steam pipeline (9) is connected to one side of the top of the slag furnace (1) which is positioned at the waste slag inlet (8), a condenser (11) is connected to the bottom of the steam pipeline (9), and an exhaust hole (10) is arranged above the condenser (11) on the outer wall of the steam pipeline (9), the inner wall of the steam pipeline (9) is provided with a heat absorption pipe (13), and the bottom end of the condenser (11) is connected with a condensation pipeline (12).

2. The metallurgical slag waste heat recovery device according to claim 1, wherein: the slag inlet (8), the steam pipeline (9) and the slag furnace (1) are connected through flange plates, and the joints of the slag inlet (8), the steam pipeline (9) and the slag furnace (1) are fixed through bolt nuts.

3. The metallurgical slag waste heat recovery device according to claim 1, wherein: the purified water injection port (4) is connected with the purified water outlet (5) through the heat absorption groove (3).

4. The metallurgical slag waste heat recovery device according to claim 1, wherein: the slag furnace (1) is of a hollow structure, and the heat absorption groove (3) in the slag furnace is spiral.

5. The metallurgical slag waste heat recovery device according to claim 1, wherein: the heat absorption pipe (13) is spirally wound on the inner wall of the steam pipeline (9).

6. The metallurgical slag waste heat recovery device according to claim 1, wherein: the purified water injection port (4), the purified water outlet (5), the cooling water injection port (6), the waste water outlet (7) and the waste residue furnace inlet (8) are all provided with valves.

7. The metallurgical slag waste heat recovery device according to claim 1, wherein: and a pressure valve is arranged at the exhaust hole (10).