CN209098747U - A kind of energy-saving and environment-friendly needle roller heat-treatment furnace - Google Patents

Abstract

The utility model relates to a kind of energy-saving and environment-friendly needle roller heat-treatment furnaces, including heating furnace, the external top of the heating furnace is provided with furnace wall heat recovery mechanism and fire door heat recovery mechanism, the two sides of the heating furnace are provided with fiery envelope, and heating furnace is internally provided with conveyer belt, the inside both ends of the conveyer belt are connected with drive shaft, the two sides of the heating furnace are provided with fiery envelope, and heating furnace is internally provided with conveyer belt, the inside both ends of the conveyer belt are connected with drive shaft；Furnace wall heat recovery mechanism includes heat shield, and the heat shield is located at the external top of heating furnace.The energy-saving and environment-friendly needle roller heat-treatment furnace, heat by recycling fire door considerably increases the utilization efficiency of the energy, the hot wind at furnace wall is sent to drying process drying box by air-introduced machine, reduce the consumption of the energy, production cost is saved, economic benefit is improved, while optimizing the working environment of heat treatment department, reduces thermal pollution.

Description

A kind of energy-saving and environment-friendly needle roller heat-treatment furnace

Technical field

The utility model belongs to bearing needle processing technique field, and in particular to a kind of energy-saving and environment-friendly needle roller heat treatment Furnace.

Background technique

Our countries are bearings using big country, while being also the country that manufacture bearing needle quantity is most in the world, manufacture Needle roller includes heat treatment process, and when prior heat treatment process, needle roller is transported by conveyer belt to heating furnace, due to right in furnace Air content requires strictly, and in import and export using the processing mode of fire envelope, and this will result in the rising of ambient temperature, And greatly waste the energy, heat-treatment furnace extreme temperatures at work radiate to ambient radiation, especially summer when Lead to the attitude of operating space and its severe, and in view of the above-mentioned problems, present factory there is no what good solutions To cope with.

Utility model content

The purpose of this utility model is that solve the above-mentioned problems and simple, the design reasonable one that provides a kind of structure The energy-saving and environment-friendly needle roller heat-treatment furnace of kind.

The utility model achieves the above object through the following technical schemes:

The external top of a kind of energy-saving and environment-friendly needle roller heat-treatment furnace, including heating furnace, the heating furnace is provided with furnace wall Heat recovery mechanism and fire door heat recovery mechanism, the two sides of the heating furnace are provided with fiery envelope, and the inside of heating furnace is set It is equipped with conveyer belt, the inside both ends of the conveyer belt are connected with drive shaft；

Furnace wall heat recovery mechanism includes heat shield, and the heat shield is located at the external top of heating furnace, and heat-insulated The upper end of cover is fixedly connected with ventilation shaft close to the position of side, the inside of the ventilation shaft be fixedly installed with air-introduced machine with Heater, and ventilation shaft is fixedly connected with drying box, the wind that heater can introduce air-introduced machine far from one end of heat shield It is heated again, reaches the temperature of demand；

Fire door heat recovery mechanism includes cyclic water tank, the cyclic water tank between heating furnace and heat shield, The upper end of the cyclic water tank is fixedly connected with water inlet pipe and outlet pipe, and outlet pipe is located at the side of water inlet pipe, the water inlet Pipe runs through heat shield with outlet pipe, and the outlet pipe is fixedly connected with boiler, the circulation far from one end of cyclic water tank The two sides of water tank are fixedly connected to circulating water pipe, and circulating water pipe is fixedly connected with thermal-arrest close to a side external surface of heating furnace Plate, collecting plate can absorb the thermal energy to scatter and disappear at fire door, and collecting plate own temperature be increased, while the water in circulating water pipe The heat heating of collecting plate can be absorbed.

As the scheme that advanced optimizes of the utility model, the rear end of the drive shaft is fixedly connected with driving motor, institute The input terminal for stating heater, air-introduced machine and driving motor is electrically connected with the output end of extraneous power supply, and driving motor is existing Technology.

It is single as the scheme that advanced optimizes of the utility model, between the heater, air-introduced machine and driving motor Only circuit prevents a certain circuit from breaking down and leads to the paralysis of whole device.

As the scheme that advanced optimizes of the utility model, the outer surface of the ventilation shaft and outlet pipe is enclosed with guarantor Warm layer, the heater are located at close to the position of drying box, and insulating layer can reduce hot water and dissipate during transportation with hot wind The heat of mistake.

As the scheme that advanced optimizes of the utility model, the junction of the ventilation shaft and heat shield is movably installed with Filter, the junction of the water inlet pipe, outlet pipe and heat shield are provided with heat-insulating and sealing circle, and filter can reduce dust Entrance.

The utility model has the beneficial effects that:

1) the utility model passes through the thermal energy being separately recovered using on fire door and furnace wall, to carry out heating cold water and cold wind, Again by transport device by after heating hot water and hot wind be delivered in boiler and drying box and carry out using not only only reducing Scattering and disappearing for heating furnace thermal energy, and reduces influence of the lost thermal energy to working environment so that the temperature of working environment not after Height reduces the consumption of the energy, has saved production cost, improves economic benefit, while optimizing the work of heat treatment department Environment reduces thermal pollution；

2) the utility model structure is simple, and stability is high, and design rationally, is easy to implement.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the structural schematic diagram of the utility model furnace wall heat recovery mechanism；

Fig. 3 is the structural schematic diagram of the utility model fire door heat recovery mechanism.

In figure: 1 furnace wall heat recovery mechanism, 11 drying boxes, 12 heaters, 13 ventilation shafts, 14 air-introduced machines, 15 heat-insulated Cover, 2 fire door heat recovery mechanisms, 21 boilers, 22 water inlet pipes, 23 cyclic water tanks, 24 outlet pipes, 25 circulating water pipes, 26 thermal-arrests Plate, 3 heating furnaces, 4 conveyer belts, 5 fire envelopes, 6 drive shafts.

Specific embodiment

The application is described in further detail with reference to the accompanying drawing, it is necessary to it is indicated herein to be, implement in detail below Mode is served only for that the application is further detailed, and should not be understood as the limitation to the application protection scope, the field Technical staff can make some nonessential modifications and adaptations to the application according to above-mentioned application content.

Embodiment 1

As shown in Figure 1-3, a kind of energy-saving and environment-friendly needle roller heat-treatment furnace, including heating furnace 3, the external top of heating furnace 3 It is provided with furnace wall heat recovery mechanism 1 and fire door heat recovery mechanism 2, the two sides of heating furnace 3 are provided with fire envelope 5, and heat Furnace 3 is internally provided with conveyer belt 4, and the inside both ends of conveyer belt 4 are connected with drive shaft 6；Furnace wall heat recovery mechanism 1 is wrapped Heat shield 15 is included, heat shield 15 is located at the external top of heating furnace 3, and the upper end of heat shield 15 is close to the fixed company in position of side It is connected to ventilation shaft 13, the inside of ventilation shaft 13 is fixedly installed with air-introduced machine 14 and heater 12, and ventilation shaft 13 is separate One end of heat shield 15 is fixedly connected with drying box 11；Fire door heat recovery mechanism 2 include cyclic water tank 23, cyclic water tank 23 Between heating furnace 3 and heat shield 15, the upper end of cyclic water tank 23 is fixedly connected with water inlet pipe 22 and outlet pipe 24, and outlet pipe 24 are located at the side of water inlet pipe 22, and water inlet pipe 22 and outlet pipe 24 run through heat shield 15, and outlet pipe 24 is far from cyclic water tank 23 One end be fixedly connected with boiler 21, the two sides of cyclic water tank 23 are fixedly connected to circulating water pipe 25, and circulating water pipe 25 A side external surface close to heating furnace 3 is fixedly connected with collecting plate 26, and the rear end of drive shaft 6 is fixedly connected with driving motor, adds The input terminal of hot device 12, air-introduced machine 14 and driving motor is electrically connected with the output end of extraneous power supply, heater 12, air-introduced machine It is independent circuit between 14 and driving motor, ventilation shaft 13 and the outer surface of outlet pipe 24 are enclosed with insulating layer, heat Device 12 is located at close to the position of drying box 11, and ventilation shaft 13 and the junction of heat shield 15 are movably installed with filter, intake The junction of pipe 22, outlet pipe 24 and heat shield 15 is provided with heat-insulating and sealing circle.

It should be noted that the present apparatus is when in use, needle roller passes through the conveying of conveyer belt 4, then is sent into heating by fire envelope 5 In furnace 3, the high temperature that fire envelope 5 generates is absorbed by the collecting plate 26 close to fire envelope 5, at this time to recirculated water since going out water inlet pipe 22 Case 23 pours into cold water, and cold water enters circulating water pipe 25 after entering cyclic water tank 23, and cold water is added when by collecting plate 26 Heat heating, the hot water after heating enters in boiler 21 from outlet pipe 24, for using, while pouring into cold water, and air inducing Machine 14 is started to work, and heat shield 15 surrounds heating furnace 3, and the space between 3 furnace wall of heating furnace and heat shield 15 is made to form negative pressure, Hot-air is inhaled into ventilation shaft 13, since 15 bottom of effect heat shield of negative pressure sucks cold air, 13 appearance of ventilation shaft The insulating layer that bread is wrapped up in can be lost during transportation to avoid hot wind, drying box used in ventilation shaft 13 and drying process 11 are connected, and when hot blast temperature is not up to technique requirement, the heater 12 in ventilation shaft 13 is started to work, and carry out thermal compensation, So that air themperature is reached technique requirement, significantly increases heating efficiency, while improving the ring in heat treatment process workshop Border, while the consumption of the energy is also reduced, production cost has been saved, economic benefit is improved.

The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention Protect range.

Claims (5)

1. a kind of energy-saving and environment-friendly needle roller heat-treatment furnace, including heating furnace (3), it is characterised in that: the outside of the heating furnace (3) Top is provided with furnace wall heat recovery mechanism (1) and fire door heat recovery mechanism (2), and the two sides of the heating furnace (3) are respectively provided with There is fire envelope (5), and heating furnace (3) is internally provided with conveyer belt (4), the inside both ends of the conveyer belt (4) are connected with Drive shaft (6)；

Furnace wall heat recovery mechanism (1) includes heat shield (15), and the heat shield (15) is located on the outside of heating furnace (3) Side, and the upper end of heat shield (15) is fixedly connected with ventilation shaft (13) close to the position of side, the ventilation shaft (13) Inside is fixedly installed with air-introduced machine (14) and heater (12), and the fixed company in the one end of ventilation shaft (13) far from heat shield (15) It is connected to drying box (11)；

Fire door heat recovery mechanism (2) includes cyclic water tank (23), the cyclic water tank (23) be located at heating furnace (3) with every Between heat cover (15), the upper end of the cyclic water tank (23) is fixedly connected with water inlet pipe (22) and outlet pipe (24), and outlet pipe (24) it is located at the side of water inlet pipe (22), heat shield (15) are run through in the water inlet pipe (22) and outlet pipe (24), the water outlet Pipe (24) is fixedly connected with boiler (21) far from the one end of cyclic water tank (23), and the two sides of the cyclic water tank (23) are fixed It is connected with circulating water pipe (25), and a side external surface of the circulating water pipe (25) close to heating furnace (3) is fixedly connected with collecting plate (26)。

2. a kind of energy-saving and environment-friendly needle roller heat-treatment furnace according to claim 1, it is characterised in that: the drive shaft (6) Rear end be fixedly connected with driving motor, the input terminal of the heater (12), air-introduced machine (14) and driving motor with the external world The output end of power supply is electrically connected.

3. a kind of energy-saving and environment-friendly needle roller heat-treatment furnace according to claim 2, it is characterised in that: the heater It (12), is independent circuit between air-introduced machine (14) and driving motor.

4. a kind of energy-saving and environment-friendly needle roller heat-treatment furnace according to claim 1, it is characterised in that: the ventilation shaft (13) insulating layer is enclosed with the outer surface of outlet pipe (24), the heater (12) is located at close to the position of drying box (11) It sets.

5. a kind of energy-saving and environment-friendly needle roller heat-treatment furnace according to claim 1, it is characterised in that: the ventilation shaft (13) filter, the water inlet pipe (22), outlet pipe (24) and heat shield are movably installed with the junction of heat shield (15) (15) junction is provided with heat-insulating and sealing circle.