CN209639509U - High-effect smelting furnace - Google Patents

Abstract

A kind of high-effect smelting furnace provided by the utility model, comprising: feed bin, working chamber and the burner hearth being set between the feed bin and working chamber；The feed bin funnel shaped with a narrow upper and lower width, upper part are provided with feed inlet, and lower part is provided with the first port being connected to the burner hearth top；The burner hearth is in up-narrow and down-wide trapezoidal mesa-shaped, and its underpart is provided with the second port being connected to the working chamber top, is provided with the first burner in the burner hearth；The working chamber lower part is provided with taphole, and the second burner is provided in the working chamber；The high-effect smelting furnace can improve material efficiency of combustion and meet energy-saving and emission-reduction application demand.

Description

High-effect smelting furnace

Technical field

The utility model relates to metal smelt technical fields, and in particular to a kind of high-effect smelting furnace.

Background technique

Aluminium alloy is most widely used one kind non-ferrous metal structural material in industry, in Aeronautics and Astronautics, automobile, machinery It has been widely applied in manufacture, ship and chemical industry.

Smelting furnace is capital equipment in the fusion process of aluminium, however existing smelting furnace has the disadvantage that

(1) combustion chamber structure is single, and combustion apparatus layout is bad, causes Smelting Effect not as good as people's will；

(2) burning waste gas and dust direct emission generated during melt, pollutes the environment；

(3) exhaust gas and dust carry thermal energy in furnace and are directly discharged to outside, and thermal energy is caused to waste, and fuel energy consumption increases；

(4) continuous high temperature burning enables furnace body material lifetime that block is lost, and melting furnace li` is generally shorter.

Utility model content

The purpose of this utility model is that providing a kind of high-effect smelting furnace in order to overcome the deficiencies of the prior art.

High-effect smelting furnace, comprising: feed bin, working chamber and the burner hearth being set between the feed bin and working chamber； The feed bin funnel shaped with a narrow upper and lower width, upper part are provided with feed inlet, and lower part is provided with and the burner hearth top First port of connection；The burner hearth is in up-narrow and down-wide trapezoidal mesa-shaped, and its underpart is provided with and the working chamber top Second port of connection is provided with the first burner in the burner hearth；The working chamber lower part is provided with taphole, institute It states and is provided with the second burner in working chamber.

Further, the feed bin is provided with fresh wind port, and the fresh wind port is connected with fresh air system；Working chamber's setting There is exhaust outlet.

Further, the fresh air system includes combustion fan, and the combustion fan, which is extended, has fresh air pipeline with even Connect the fresh wind port.

It further, further include exhaust system, the exhaust system includes exhaust duct and connect with the exhaust duct Waste gas treatment equipment, the exhaust duct corresponds to the exhaust outlet and is provided with the first exhaust gas entrance.

Further, the exhaust duct corresponds to the feed inlet and is provided with the second exhaust gas entrance.

Further, waste gas burning room, the exhaust gas are provided between the exhaust duct and the waste gas treatment equipment Third burner is provided in combustion chamber.

Further, the feed bin be provided with hot-air mouth, first burner and/or second burner with it is described Return air end is provided with outside working chamber, the hot-air mouth, which is extended, has return air duct to be connected to the return air end.

Further, second burner is set on the upside of the working chamber, the output port of second burner Toward the working chamber bottom.

The utility model has the beneficial effects that:

1, by the application of the feed bin of funnel shaped and the burner hearth of trapezoidal mesa-shaped, in conjunction with the setting of the first burner, Based on Venturi effect, and combustion pressure is enabled to increase, the firepower energy Relatively centralized of first burner makes the object fallen into through feed bin Material can be dried sufficiently in primary combustion, improve the subsequent efficiency of combustion of material.

2, by being provided with the setting of the fresh wind port and exhaust outlet of fresh air system, effectively to fresh air is imported in furnace, increase combustion Efficiency is burnt, and a degree of cooling effectively is carried out to feed bin, effectively reduces the loss of feed bin position material lifetime.

3, it is arranged by exhaust system, effectively discharge exhaust gas is collected, avoids pollution environment.

4, there is the burner at return air end to be arranged by hot-air mouth and application, burner can be made to carry out waste heat extra in feed bin Collection utilization, meet energy-saving and emission-reduction applies needs.

Detailed description of the invention

Fig. 1 is the combination diagram of the high-effect smelting furnace of the utility model；

Description of symbols:

Feed bin 1, feed inlet 11, fresh wind port 12, hot-air mouth 13, return air duct 131, working chamber 2, taphole 20, air draft Mouth 21, burner hearth 3, the first port 31, the second port 32, the first burner 4, the second burner 5, combustion fan 6, fresh wind tube Road 61, exhaust duct 7, the first exhaust gas entrance 71, the second exhaust gas entrance 72, waste gas burning room 73, third burner 74, at exhaust gas Manage equipment 8.

Specific embodiment

In order to make the technical solution of the utility model, purpose and its advantage more clearly, below in conjunction with attached drawing and implementation Example, is further explained explanation to the utility model.

As shown in Figure 1, the high-effect smelting furnace of the utility model, comprising: feed bin 1, working chamber 2 and be set to the feed bin Burner hearth 3 between 1 and working chamber 2；The feed bin 1 funnel shaped with a narrow upper and lower width, upper part are provided with feed inlet 11, Lower part is provided with the first port 31 being connected to 3 top of burner hearth；The burner hearth 3 is in up-narrow and down-wide bucking ladder Shape, its underpart are provided with the second port 32 being connected to 2 top of working chamber, are provided with the first combustion in the burner hearth 3 Burner 4；2 lower part of working chamber is provided with taphole 20, and multiple second burners 5 are provided in the working chamber 2, described Second burner 5 is set to 2 upside of the working chamber, and the output port of second burner 5 is toward 2 bottom of working chamber Portion.

The feed bin 1 is provided with fresh wind port 12, and the fresh wind port 12 is connected with combustion fan 6 by fresh air pipeline 61；Institute It states feed bin 1 and is provided with outside hot-air mouth 13, first burner 4 and second burner 5 and the working chamber 2 and be provided with Return air end, the hot-air mouth 13, which is extended, has return air duct 131 to be connected to the return air end；The fresh wind port 12 and the heat Air port 13 is coaxially disposed and forward direction is opposite.

The working chamber 2 is provided with exhaust outlet 21, further includes exhaust system, the exhaust system include exhaust duct 7 and The waste gas treatment equipment 8 connecting with the exhaust duct 7, it is useless that the corresponding exhaust outlet 21 of the exhaust duct 7 is provided with first Gas entrance 71；The corresponding feed inlet 11 of the exhaust duct 7 is provided with the second exhaust gas entrance 72；The exhaust duct 7 and institute It states and is provided with waste gas burning room 73 between waste gas treatment equipment 8, be provided with third burner 74 in the waste gas burning room 73.

Its working principles are as follows:

So that material is put into feed bin 1 from feed inlet 11, makes material after 4 burning of the first burner processing in burner hearth 3 It falls into working chamber 2, then is further burnt by the second burner 5 each in working chamber 2, the 2 bottom entirety court, working chamber It is obliquely installed to 20 direction of taphole from up to low land, material melt is discharged through the taphole 20.

And period, fresh air is exported by combustion fan 6, increases fresh air band oxygen by burning effect through feed bin 1 to working chamber 2 Rate, while a degree of cooling is carried out to feed bin 1；And part fresh air is exported by hot-air mouth 13 to return burner after being heated Return air end so that the waste heat on 1 top of feed bin obtains efficient use.

And the exhaust gas that is discharged through exhaust outlet 21 or when feed inlet 11 is opened, then by being provided with the air-exhausting duct of exhaust fan Road 7 is collected, and is handled after guiding exhaust gas to waste gas burning room 73 through 74 burning of third burner, then export to exhaust-gas treatment Equipment 8 is handled.

Above description is merely a prefered embodiment of the utility model, for those skilled in the art, is not taking off Under the premise of the implementation principle of the utility model, it can still modify to the embodiment, and corresponding modification is also answered It is considered as the protection scope of the utility model.

Claims (8)

1. high-effect smelting furnace characterized by comprising feed bin, working chamber and be set between the feed bin and working chamber Burner hearth；The feed bin funnel shaped with a narrow upper and lower width, upper part are provided with feed inlet, and lower part is provided with and the burning First port of upper furnace connection；The burner hearth is in up-narrow and down-wide trapezoidal mesa-shaped, and its underpart is provided with melts with described The second port of room top connection is refined, is provided with the first burner in the burner hearth；The working chamber lower part is provided with molten Liquid exports, and is provided with the second burner in the working chamber.

2. high-effect smelting furnace as described in claim 1, which is characterized in that the feed bin is provided with fresh wind port, the fresh air Mouth is connected with fresh air system；The working chamber is provided with exhaust outlet.

3. high-effect smelting furnace as claimed in claim 2, which is characterized in that the fresh air system includes combustion fan, described Combustion fan, which is extended, has fresh air pipeline to connect the fresh wind port.

4. high-effect smelting furnace as claimed in claim 2, which is characterized in that it further include exhaust system, the exhaust system packet The waste gas treatment equipment for including exhaust duct and connecting with the exhaust duct, the exhaust duct correspond to the exhaust outlet and are provided with First exhaust gas entrance.

5. high-effect smelting furnace as claimed in claim 4, which is characterized in that the exhaust duct corresponds to the feed inlet setting There is the second exhaust gas entrance.

6. high-effect smelting furnace as claimed in claim 4, which is characterized in that the exhaust duct and the waste gas treatment equipment Between be provided with waste gas burning room, be provided with third burner in the waste gas burning room.

7. high-effect smelting furnace as described in claim 1, which is characterized in that the feed bin is provided with hot-air mouth, and described first Return air end is provided with outside burner and/or second burner and the working chamber, the hot-air mouth, which is extended, to be had back Air piping is to be connected to the return air end.

8. high-effect smelting furnace as described in claim 1, which is characterized in that second burner is set to the working chamber Upside, the output port of second burner is toward the working chamber bottom.