CN208187095U - A kind of sintering furnace - Google Patents

Abstract

The utility model provides a kind of sintering furnace, including furnace body and the heating component being mounted on the furnace body and air draft component, the furnace body includes pedestal and the sintering burner hearth on pedestal, the sintering burner hearth is separated into the first sintering burner hearth and the second sintering burner hearth by a partition wall, a connection flue is equipped in the sintering burner hearth, the connection flue connection first sintering burner hearth and the second sintering burner hearth, the heating component includes the secondary heating mechanism for being mounted on the first heater on the left of the first sintering burner hearth and being mounted on the right side of the second sintering burner hearth, the air draft component includes smokejack, the smokejack is radially laid on the sintering burner hearth bottom.The utility model has and thermal energy can be made full use of to reach energy-efficient effect, and reduce product and generate slight crack because of direct high temperature sintering using the double-furnace structure of waste heat in sintering furnace.

Description

A kind of sintering furnace

Technical field

The utility model relates to casting industry shell mold sintering technology field more particularly to a kind of sintering furnaces.

Background technique

Existing casting industry shell mold sintering furnace is sintered for individual burner hearth, and sintering furnace, which is provided with heating equipment, makes furnace Interior temperature increases, and generated temperature is higher in sintering furnace, and the heat generated in sintering furnace moves upwards, cigarette of the heat from furnace roof It is dissipated in chimney, the waste heat in sintering furnace, which is unable to get, to be made full use of.Such design can waste a large amount of heat, and product one Phenomena such as temperature difference of the lower son from room temperature to high temperature is easy to produce crackle.Therefore, it is really necessary to design a kind of sintering furnace, solves existing The defect of technology.

Utility model content

In order to solve the above-mentioned technical problem, the utility model provides a kind of sintering furnace, and having can be using in sintering furnace The double-furnace structure of waste heat, and reduce product and generate slight crack because of direct high temperature sintering.

The utility model provides following technical scheme, a kind of sintering furnace, including furnace body and the heating being mounted on the furnace body Component and air draft component, the furnace body include pedestal and the sintering burner hearth on pedestal, and the sintering burner hearth is by a partition wall It is separated into the first sintering burner hearth and the second sintering burner hearth, a connection flue is equipped in the sintering burner hearth, the connection flue connects Lead to the first sintering burner hearth and the second sintering burner hearth, the heating component includes being mounted on the first sintering burner hearth left side The first heater of side and the secondary heating mechanism being mounted on the right side of the second sintering burner hearth, the air draft component include row Flue, the sintering burner hearth bottom are assembled by refractory material, and gap, the smokejack diameter are equipped between the refractory material To the gap bottom is laid on, described smokejack one end positioned at the first sintering burner hearth connects to form the first smoke exhaust pipe, Described smokejack one end positioned at the second sintering burner hearth connects to form the second smoke exhaust pipe, first smoke exhaust pipe and described the Two smoke exhaust pipes connect jointly forms an exhaust gas smoke pipe, and first smoke exhaust pipe is equipped with first switch device, second smoke exhaust pipe Equipped with second switch device.

Further, the top of the sintering burner hearth is also fixedly connected with oxygenating component, and the oxygenating component includes installation It is filled in the first oxygen supplementing device of the first sintering roof of the furnace with the second oxygenating for being mounted on the second sintering roof of the furnace It sets.

Specifically, first oxygen supplementing device is identical with the second oxygen supplementing device structure, includes oxygenating pipe and connection Oxygenating blower on the oxygenating pipe.

Specifically, the first heater is identical with the secondary heating mechanism structure, include fuel nozzle and into Wind apparatus, the fuel nozzle include spark plug and the fuel gas conduit that is fixedly connected on the spark plug, and the air-intake device includes Fuel blower and blast pipe, described blast pipe one end are connect with the fuel blower, and the other end is connect with the fuel gas conduit.

Preferably, being equipped with one layer of alumina silicate heat-preservation cotton outside the sintering burner hearth.

It is burnt the utility model has the following beneficial effects: the sintering burner hearth is separated into the first sintering burner hearth and second by a partition wall Freezing of a furnace thorax, the connection flue connection first sintering burner hearth and the second sintering burner hearth, will by the connection flue Waste heat takes in the sintering burner hearth of relative low temperature, so that the shell mold in the sintering burner hearth of relative low temperature is made to achieve the effect that preheating, Reach and thermal energy is made full use of to reach energy-efficient effect, while reducing direct high temperature sintering and the slight crack that generates.

Detailed description of the invention

Fig. 1 is the front view of sintering furnace described in the utility model；

Fig. 2 is the top view of sintering furnace described in the utility model；

Fig. 3 is the front view of first heater described in the utility model or the secondary heating mechanism.

Description of symbols:

Furnace body 10, pedestal 11 are sintered burner hearth 12, partition wall 13, the first sintering burner hearth 14, the second sintering burner hearth 15, connection cigarette Road 16, alumina silicate heat-preservation cotton 17.

Heating component 20, first heater 21, secondary heating mechanism 22, fuel nozzle 23, air-intake device 24, spark plug 25, fuel gas conduit 26, fuel blower 27, blast pipe 28.

Air draft component 30, smokejack 31, the first smoke exhaust pipe 32, the second smoke exhaust pipe 33, exhaust gas smoke pipe 34, first switch device 35, second switch device 36.

Oxygenating component 40, the first oxygen supplementing device 41, the second oxygen supplementing device 42, oxygenating pipe 43, oxygenating blower 44.

Specific embodiment

In order to make the purpose of utility model of the utility model, technical solution and technical effect are more clearly understood, tie below Specific embodiment is closed to be described further the utility model.It should be understood that specific embodiment described herein, be only used for It explains the utility model, is not used to limit the utility model.

Referring to Figures 1 and 2, a kind of sintering furnace, including furnace body 10 and the heating component 20 being mounted on the furnace body 10 and row Wind component 30.The furnace body 10 includes pedestal 11 and the sintering burner hearth 12 on pedestal 11, and the sintering burner hearth 12 is by one Partition wall 13 is separated into the first sintering burner hearth 14 and the second sintering burner hearth 15, and a connection flue 16 is equipped in the sintering burner hearth 12, The connection flue 16 is connected to the first sintering burner hearth 14 and the second sintering burner hearth 15.The heating component 20 includes peace Mounted in the first sintering burner hearth 14 left side first heater 21 and be mounted on the of 15 right side of the second sintering burner hearth Two heating devices 22, the air draft component 30 include smokejack 31, and 12 bottom of sintering burner hearth is assembled by refractory material, Gap is equipped between the refractory material, the smokejack 31 is radial to be laid on the gap bottom, is located at first sintering 31 one end of the smokejack of burner hearth 14 connects to form the first smoke exhaust pipe 32, positioned at the smoke evacuation of the second sintering burner hearth 15 31 one end of road connects to form the second smoke exhaust pipe 33, and connection forms one jointly for first smoke exhaust pipe 32 and second smoke exhaust pipe 33 Exhaust gas smoke pipe 34, first smoke exhaust pipe 32 are equipped with first switch device 35, and second smoke exhaust pipe 33 is filled equipped with second switch Set 36；The technical program by the connection flue 16 come adequately using the heat of one of sintering burner hearth, in this way can be with The slight crack for reducing direct high temperature sintering and generating, while thermal energy can be made full use of to reach energy-efficient effect again.

Referring to Fig.1, the top of the sintering burner hearth 12 is also fixedly connected with oxygenating component 40, and the oxygenating component 40 includes It is mounted on first oxygen supplementing device 41 at 14 top of the first sintering burner hearth and is mounted on 15 top of the second sintering burner hearth Second oxygen supplementing device 42；First oxygen supplementing device 41 is identical with 42 structure of the second oxygen supplementing device, includes oxygenating pipe 43 With the oxygenating blower 44 being connected on the oxygenating pipe 43；When can satisfy high temperature Fast Sintering, oxygen-enriched air or oxygen need to be used Requirement, improve the efficiency of sintering, while also improving the sintering quality of product.

Referring to Fig. 3, the first heater 21 is identical with 22 structure of secondary heating mechanism, includes fuel nozzle 23 and air-intake device 24, the fuel nozzle 23 includes spark plug 25 and the fuel gas conduit 26 that is fixedly connected on the spark plug 25, The air-intake device 24 includes fuel blower 27 and blast pipe 28, and described 28 one end of blast pipe is connect with the fuel blower 27, The other end is connect with the fuel gas conduit 26；The mutual cooperation of the fuel nozzle 23 and the air-intake device 24, fills fuel more The burning divided, improves the efficiency of fuel combustion.

Preferably, being equipped with one layer of alumina silicate heat-preservation cotton 17 outside the sintering burner hearth 12, there is excellent sound-absorbing effect, and And high temperature resistant, good heat insulating, the utilization rate of thermal energy can be further increased.

The working principle of the utility model sintering furnace are as follows: when the temperature of the first sintering burner hearth 14 reaches 1200 DEG C, and When the temperature of the second sintering burner hearth 15 is also not up to 1200 degree；The first heater 21 is adjusted to small fire by high fire, And the first switch device 35 on first smoke exhaust pipe 32 is closed, and described second on second smoke exhaust pipe 33 opens Device 36 is closed to open；High-temp waste gas in the first sintering burner hearth 14 can not be discharged from first smoke exhaust pipe 32, and high temperature is useless Gas by the connection flue 16 to be entered in the second sintering burner hearth 15, after the further utilization of thermal energy, from Second smoke exhaust pipe 33 is discharged in the exhaust gas smoke pipe 34, then is emitted.

It can similarly obtain, when the temperature of the second sintering burner hearth 15 reaches 1200 DEG C, and the first sintering burner hearth 14 When temperature is also not up to 1200 DEG C；The secondary heating mechanism 22 is adjusted to small fire, and second smoke exhaust pipe 33 by high fire On the second switch device 36 close, the first switch device 35 on first smoke exhaust pipe 32 is opened；Described High-temp waste gas in two sintering burner hearths 15 can not be discharged from second smoke exhaust pipe 33, and high-temp waste gas is to pass through the connection cigarette Road 16 enters in the first sintering burner hearth 14, after the further utilization of thermal energy, is discharged from first smoke exhaust pipe 32 Into the exhaust gas smoke pipe 34, then emit.

When the temperature of the first sintering burner hearth 14 reaches 1200 DEG C, and the temperature of the second sintering burner hearth 15 also reaches Described on the first switch device 35 and second smoke exhaust pipe 33 when to 1200 DEG C, on first smoke exhaust pipe 32 Two switching devices 36 are opened simultaneously, and high-temp waste gas is discharged to described useless from first smoke exhaust pipe 32 or second smoke exhaust pipe 33 In gas smoke pipe 34, then emit.

In conclusion the utility model sintering furnace structure is simple, dexterously two sintering burner hearths are connected by connection flue It picks up and, waste heat can be effectively utilized, improve the utilization rate of the energy, make full use of thermal energy to reach energy-efficient effect, subtract simultaneously The slight crack that few product is generated by direct high temperature sintering.

It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, architectural form cans be flexible and changeable, and can be produced with subseries Product.Several simple deduction or replace are only made, it is true by the claims submitted all to shall be regarded as belonging to the utility model Fixed scope of patent protection.

Claims (5)

1. a kind of sintering furnace, including furnace body and the heating component being mounted on the furnace body and air draft component, it is characterised in that: described Furnace body includes pedestal and the sintering burner hearth on pedestal, the sintering burner hearth by a partition wall be separated into the first sintering burner hearth and Second sintering burner hearth, is equipped with a connection flue in the sintering burner hearth, the connection flue connection described first be sintered burner hearth with The second sintering burner hearth, the heating component include the first heater and peace being mounted on the left of the first sintering burner hearth Secondary heating mechanism on the right side of the second sintering burner hearth, the air draft component includes smokejack, the sintering burner hearth bottom Portion is assembled by refractory material, and gap is equipped between the refractory material, and the smokejack is radially laid on the gap bottom Portion, described smokejack one end positioned at the first sintering burner hearth connect to form the first smoke exhaust pipe, are located at second sintering furnace Described smokejack one end of thorax connects to form the second smoke exhaust pipe, and first smoke exhaust pipe and second smoke exhaust pipe connect shape jointly At an exhaust gas smoke pipe, first smoke exhaust pipe is equipped with first switch device, and second smoke exhaust pipe is equipped with second switch device.

2. sintering furnace as described in claim 1, it is characterised in that: the top of the sintering burner hearth is also fixedly connected with oxygenating group Part, the oxygenating component include being mounted on the first oxygen supplementing device of the first sintering roof of the furnace and being mounted on described second to burn Tie the second oxygen supplementing device of roof of the furnace.

3. sintering furnace as claimed in claim 2, it is characterised in that: first oxygen supplementing device and the second oxygen supplementing device knot Structure is identical, including oxygenating pipe and the oxygenating blower being connected on the oxygenating pipe.

4. sintering furnace as described in claim 1, it is characterised in that: the first heater and the secondary heating mechanism knot Structure is identical, includes fuel nozzle and air-intake device, and the fuel nozzle includes spark plug and is fixedly connected on the spark plug Fuel gas conduit, the air-intake device includes fuel blower and blast pipe, and described blast pipe one end is connect with the fuel blower, separately One end is connect with the fuel gas conduit.

5. sintering furnace as described in claim 1, it is characterised in that: be equipped with one layer of alumina silicate heat preservation outside the sintering burner hearth Cotton.