CN212833881U

CN212833881U - Cooling device before waste heat normalizing

Info

Publication number: CN212833881U
Application number: CN202021213855.XU
Authority: CN
Inventors: 丁保华; 蒋桃华; 金鑫
Original assignee: Dongtai Fenghua Furnace Industry Co ltd
Current assignee: Dongtai Fenghua Furnace Industry Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-03-30
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a cooling device before waste heat normalizing relates to cooling device technical field, and what the cooling structure that uses for the normalizing device who solves among the prior art mostly adopted is air-cooled principle, when this structure is cooling the steel body, the moisture that contains in the air can influence the problem of the fragility of the steel body. The normalizing cooling device main part includes the refrigeration machine case, the top of refrigeration machine case is provided with air supply fan, and the air supply mouth of pipe has two, air supply fan's surface is provided with dustproof grid, and dustproof grid passes through the draw-in groove with air supply fan and is connected, the outside of refrigeration machine case is provided with the sealed lantern ring, and the sealed lantern ring passes through the screw connection with the refrigeration machine case, the below of refrigeration machine case is provided with the refrigeration fan, the below of refrigeration fan is provided with the cold air duct, the bottom of cold air duct is provided with the air exit, and the air exit has a plurality ofly, the inside of refrigeration machine case is provided with the air supply mouth of pipe.

Description

Cooling device before waste heat normalizing

Technical Field

The utility model relates to a cooling device technical field specifically is cooling device before waste heat normalizing.

Background

Normalizing is a heat treatment that improves the toughness of steel. Heating the steel component above the Ac3 temperature

And then keeping the temperature for a period of time, discharging the furnace and air cooling. The main characteristic is that the cooling speed is faster than annealing and lower than quenching, and the crystal grains of the steel can be refined in the slightly fast cooling during normalizing, so that not only can the satisfactory strength be obtained, but also the toughness (AKV value) can be obviously improved, and the cracking tendency of the component is reduced. After normalizing treatment is carried out on the low-alloy hot-rolled steel plate, the low-alloy steel forge piece and the cast part, the comprehensive mechanical property of the material can be greatly improved, the cutting property is also improved, the temperature of the forge piece is about 900 ℃ after forging forming, and the workpiece needs to be cooled to be below a phase change line, namely about 600 ℃ before being subjected to furnace normalizing, and then secondary heating and normalizing are carried out.

However, the cooling structure used in the conventional normalizing device mostly adopts an air cooling principle, and when the structure is used for cooling a steel body, the brittleness of the steel body is influenced by moisture contained in air; thus, the existing requirements are not met, and a waste heat pre-normalizing cooling device is proposed for the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cooling device before waste heat normalizing to what the cooling structure that the normalizing device that proposes used in solving above-mentioned background art adopted is air-cooled principle mostly, when this structure is cooling the steel body, the moisture that contains in the air can influence the problem of the fragility of the steel body.

In order to achieve the above object, the utility model provides a following technical scheme: cooling device before waste heat normalizing, including normalizing cooling arrangement main part, normalizing cooling arrangement main part includes the refrigeration machine case, the top of refrigeration machine case is provided with the air supply fan, and the air supply mouth of pipe has two, the surface of air supply fan is provided with dustproof grid, and dustproof grid passes through the draw-in groove with the air supply fan and be connected, the outside of refrigeration machine case is provided with the sealed lantern ring, and the sealed lantern ring passes through the screw connection with the refrigeration machine case, the below of refrigeration machine case is provided with the refrigeration fan, the below of refrigeration fan is provided with the cold air duct, the bottom of cold air duct is provided with the air exit, and the air exit has a plurality ofly.

Preferably, the inside of the refrigeration case is provided with an air supply pipe orifice, the air supply pipe orifice is connected with an air supply fan through a pipeline, an air compressor is arranged below the air supply pipe orifice, and the air compressor is connected with the air supply pipe orifice through a flange.

Preferably, a condenser is arranged below the air compressor and is connected with the air compressor through a three-way valve, an evaporator is arranged below the condenser and is connected with the condenser through an expansion valve.

Preferably, the evaporator is connected with the refrigerating fan through a pipeline.

Preferably, the inside of refrigeration fan is provided with the dehumidification filter disc, and the dehumidification filter disc passes through the draw-in groove with the refrigeration fan and is connected, the dehumidification filter disc is located the top of fan.

Preferably, the cold air pipeline comprises a heat insulation sleeve and an inner container air pipe, the inner container air pipe is jointed and connected with the heat insulation sleeve,

preferably, the inner container air pipe is connected with the refrigerating fan through a flange, and the air outlet is fixedly connected with the inner container air pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an inside of refrigeration fan is provided with a dehumidification filter disc, and the dehumidification filter disc is located the top of fan, and air conditioning can pass through the dehumidification filter disc earlier before entering the cold air duct through refrigeration fan, can filter the moisture that mingles in the air conditioning through the dehumidification filter disc, makes the air conditioning keep in dry state, avoids the moisture in the air conditioning to influence the fragility of steel body;

2. the utility model discloses a cold air duct comprises insulation support and inner bag tuber pipe, because cold air duct 7 wholly is close to the normalizing chamber, so can receive the influence of inside high temperature, and insulation support then can avoid the high temperature to influence the air conditioning in the inner bag tuber pipe, and the air conditioning of storing the inner bag tuber pipe through the air exit is discharged into in the normalizing chamber at last to the realization is operated the cooling of the steel body.

Drawings

FIG. 1 is an overall front view of the present invention;

fig. 2 is a schematic structural view of the refrigeration case of the present invention;

fig. 3 is a schematic structural view of the refrigeration fan of the present invention.

In the figure: 1. a normalizing cooling device main body; 2. a refrigeration cabinet; 3. an air supply fan; 4. a dust-proof grid; 5. a sealing collar; 6. a refrigeration fan; 7. a cold air duct; 8. a heat-insulating sleeve; 9. an inner container air pipe; 10. an air outlet; 11. an air supply pipe orifice; 12. an air compressor; 13. a three-way valve element; 14. a condenser; 15. an evaporator; 16. an expansion valve; 17. a dehumidifying filter disc.

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.

Referring to fig. 1-3, the present invention provides an embodiment: cooling device before waste heat normalizing, including normalizing cooling arrangement main part 1, normalizing cooling arrangement main part 1 includes refrigeration machine case 2, refrigeration machine case 2's top is provided with air supply fan 3, and air supply mouth of pipe 11 has two, air supply fan 3's surface is provided with dustproof grid 4, prevent that the dust from entering into refrigeration machine case 2's inside, and dustproof grid 4 passes through the draw-in groove with air supply fan 3 and is connected, refrigeration machine case 2's the outside is provided with the sealing sleeve ring 5, guarantee the leakproofness of quick-witted case and normalizing equipment junction, and sealing sleeve ring 5 passes through the screw connection with refrigeration machine case 2, the reinforcing stability, refrigeration machine case 2's below is provided with refrigeration fan 6, refrigeration fan 6's below is provided with cold-air duct 7, cold-air duct 7's bottom is provided with air exit 10, and air exit 10 has a plurality ofly, carry the surface of the steel body with air conditioning.

Further, the inside of the refrigerator case 2 is provided with an air supply pipe orifice 11, the air supply pipe orifice 11 is connected with an air supply fan 3 through a pipeline, an air compressor 12 is arranged below the air supply pipe orifice 11, the air compressor 12 is connected with the air supply pipe orifice 11 through a flange, and the entering air is compressed through the air compressor 12.

Further, a condenser 14 is arranged below the air compressor 12, the condenser 14 is connected with the air compressor 12 through a three-way valve 13, an evaporator 15 is arranged below the condenser 14, the evaporator 15 is connected with the condenser 14 through an expansion valve 16, and the refrigeration operation is realized through the cooperation of the condenser 14 and the evaporator 15.

Further, the evaporator 15 is connected with the refrigerating fan 6 through a pipeline, so that the function of conveying cold air is realized.

Further, the inside of refrigeration fan 6 is provided with dehumidification filter disc 17, and dehumidification filter disc 17 passes through the draw-in groove with refrigeration fan 6 and is connected, and dehumidification filter disc 17 is located the top of fan, and air conditioning can earlier pass through dehumidification filter disc 17 before entering into cold air duct 7 through refrigeration fan 6, can filter the moisture that is mingled with in air conditioning through dehumidification filter disc 17, makes air conditioning keep at the dry state, avoids the moisture in the air conditioning to influence the fragility of the steel body.

Further, cold air duct 7 includes insulation support 8 and inner bag tuber pipe 9, and inner bag tuber pipe 9 is connected with the laminating of insulation support 8, and cold air duct 7 is whole to be close to the normalizing chamber, so can receive the influence of inside high temperature, and insulation support 8 then can avoid the high temperature to influence the air conditioning in inner bag tuber pipe 9.

Further, liner tuber pipe 9 passes through flange joint with refrigeration fan 6, the sealing performance of guarantee junction, and air exit 10 and liner tuber pipe 9 fixed connection, and the air conditioning of storing liner tuber pipe 9 through air exit 10 is discharged into in the normalizing chamber to the realization is to the cooling operation of the steel body.

The working principle is as follows: when in use, external air is sucked into the refrigerating case 2 through the two groups of air supply fans 3 above the refrigerating case 2, then the air passes through the air supply pipe orifice 11 in the refrigerating case 2, the air which enters the air supply pipe orifice 11 is conveyed to the inside of the air compressor 12, the air compressor 12 compresses the air, the compressed air is conveyed to the condenser 14 below the air supply pipe orifice, the heat of the refrigerant is released to the air in the condenser 14, the gaseous refrigerant is changed into liquid, then the gaseous refrigerant enters the evaporator 15 through the expansion valve 16, the liquid refrigerant is changed into gas by the cold energy of the refrigerant absorbed by the air, the generated cold air is conveyed to the cold air pipeline 7 through the refrigerating fan 6, the dehumidifying filter disc 17 is arranged in the refrigerating fan 6, the dehumidifying filter disc 17 is positioned above the fan, the cold air firstly passes through the dehumidifying filter disc 17 before entering the cold air pipeline 7 through the refrigerating fan 6, can filter the moisture that mix with in air conditioning through dehumidification filter disc 17, make air conditioning keep at the dry state, avoid the moisture in the air conditioning to influence the fragility of the steel body, cold air duct 7 comprises insulation support 8 and inner bag tuber pipe 9 simultaneously, because cold air duct 7 is whole to be close to the normalizing chamber, so can receive the influence of inside high temperature, and insulation support 8 then can avoid the high temperature to influence the air conditioning in inner bag tuber pipe 9, at last in discharging the normalizing chamber with the air conditioning of inner bag tuber pipe 9 storage through air exit 10, thereby realize the cooling operation to the steel body.

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. Cooling device before waste heat normalizing, including normalizing cooling arrangement main part (1), its characterized in that: normalizing cooling arrangement main part (1) is including refrigeration machine case (2), the top of refrigeration machine case (2) is provided with air supply fan (3), and air supply mouth of pipe (11) has two, the surface of air supply fan (3) is provided with dustproof grid (4), and dustproof grid (4) are connected through the draw-in groove with air supply fan (3), the outside of refrigeration machine case (2) is provided with sealed lantern ring (5), and sealed lantern ring (5) and refrigeration machine case (2) pass through the screw connection, the below of refrigeration machine case (2) is provided with refrigeration fan (6), the below of refrigeration fan (6) is provided with cold-blast main part (7), the bottom of cold-blast main part (7) is provided with air exit (10), and air exit (10) have a plurality ofly.

2. The waste heat pre-normalization cooling device according to claim 1, characterized in that: the refrigerator is characterized in that an air supply pipe orifice (11) is arranged inside the refrigerator case (2), the air supply pipe orifice (11) is connected with an air supply fan (3) through a pipeline, an air compressor (12) is arranged below the air supply pipe orifice (11), and the air compressor (12) is connected with the air supply pipe orifice (11) through a flange.

3. The waste heat pre-normalization cooling device according to claim 2, characterized in that: the air compressor is characterized in that a condenser (14) is arranged below the air compressor (12), the condenser (14) is connected with the air compressor (12) through a three-way valve element (13), an evaporator (15) is arranged below the condenser (14), and the evaporator (15) is connected with the condenser (14) through an expansion valve (16).

4. The waste heat pre-normalization cooling device according to claim 3, characterized in that: the evaporator (15) is connected with the refrigerating fan (6) through a pipeline.

5. The waste heat pre-normalization cooling device according to claim 1, characterized in that: the inside of refrigeration fan (6) is provided with dehumidification filter disc (17), and dehumidification filter disc (17) passes through the draw-in groove with refrigeration fan (6) and is connected, dehumidification filter disc (17) are located the top of fan.

6. The waste heat pre-normalization cooling device according to claim 1, characterized in that: the cold air pipeline (7) comprises a heat-insulating sleeve (8) and a liner air pipe (9), and the liner air pipe (9) is attached to the heat-insulating sleeve (8).

7. The waste heat pre-normalization cooling device according to claim 6, characterized in that: the inner container air pipe (9) is connected with the refrigerating fan (6) through a flange, and the air outlet (10) is fixedly connected with the inner container air pipe (9).