CN206177010U - Sintering kiln that leakproofness is good - Google Patents

Abstract

The utility model belongs to the technical field of the sintering kiln and specifically relates to a sintering kiln that leakproofness is good, include: kiln body, kiln chamber, air curtain machine, flue gas pipeline and combustion system, the kiln chamber comprises kiln crown, furnace chamber wall, driving guide rail and sealed the pad, through setting up step and sealed the pad at the kiln crown with furnace chamber wall contacting area, realizes sealed to the kiln chamber, avoids the heat to scatter and disappear, and the guide rail of driving a vehicle is in the same place with the furnace chamber wall joggle, promotion overall structure's steadiness. The gas pipe of nozzle is given vent to anger and is held the design curl, has strengthened the dispersibility to the gas, and messenger's gas is fully burnt, promotes the gas utilization efficiency.

Description

A kind of sintering oven of good airproof performance

Technical field

The utility model is related to sintering oven field, especially a kind of sintering oven of good airproof performance.

Background technology

For Industrial Stoves refer to heating or fusing metal or nonmetallic device, heating or the device of fusing metal are referred to as Industrial furnace, heats or melts nonmetallic device referred to as kiln.Industrial Stoves are the key equipments of industry heating, while industry kiln Stove is again high-energy equipment.At present, national Industrial Stoves year energy consumption accounts for the 25% of total energy consumption, accounts for the 60% of industrial total energy consumption.

Product wishes to obtain heating as uniform as possible when burning till, on the one hand in Industrial Stoves, on the other hand wishes close Envelope property is good, reduces heat and scatters and disappears.The application devises a kind of sintering oven, heat is flowed between each different warm area, improves heat Amount utilization rate, while the combustion gas ejected of burner and air can be sufficiently mixed, burning is abundant, good airproof performance.

The content of the invention

The utility model aims to solve the problem that above mentioned problem, there is provided a kind of sintering oven of good airproof performance, its technical side for using Case is as follows.

A kind of sintering oven of good airproof performance, including：The kiln body for extending along the longitudinal direction；Kiln chamber, it is along the kiln Furnace body fore-and-aft direction runs through kiln body, and the kiln chamber is divided into preheating zone, height temperate zone and cooling zone, institute from front to back Stating kiln chamber includes kiln top, furnace chamber wall and running rail, and first step is set at the Yao Ding both sides and furnace chamber wall contact position, Second step, the 3rd step and the 4th step, institute are set gradually from top to bottom at the furnace chamber wall top and kiln top contact position State first step part to be in contact with second step, kiln top low portion is in contact with the 4th step, the first step Formed between second step and sealing gasket is set in cavity, the cavity；Running rail, it is arranged at kiln chamber bottom, described Kiln wall lower inside is provided with tongue-and-groove, and the tongue-and-groove includes the first cell wall and the second cell wall, first cell wall and the second cell wall shape Into angle be acute angle, the angle is just to ground；The running rail inlay card is in tongue-and-groove；Air curtain, is arranged at the kiln Furnace chamber top inner wall, between height temperate zone and cooling zone；Flue, its heat smoke air inlet by flue with it is described The connection of kiln chamber preheating zone top, air-introduced machine is set on the flue；Combustion system, including several nozzles, the spray Mouth is oppositely arranged on the height temperate zone two side of kiln chamber.

Preferably, the nozzle includes air hose and the Gas Pipe in the air hose, the Gas Pipe outlet side Spiral is upwardly extended and screw diameter is less and less, and air hose is stretched out in the Gas Pipe outlet side.

Preferably, it is covered with wire netting on the Gas Pipe outlet side.

Preferably, the air inside pipe wall is formed with helical groove, the helical groove and Gas Pipe outlet side spiral side To opposite.

Preferably, the nozzle quantity is 5 pairs.

Preferably, the sealing gasket is high temperature resistant elastomeric material.

The utility model has the following advantages that：Be designed as in kiln chamber to include kiln top, kiln wall and driving by the utility model The structure of guide rail, kiln top and kiln wall contact position set step, and sealing gasket is set in step gap, make kiln chamber sealing property It is good, it is to avoid heat scatters and disappears, in running rail insertion furnace chamber wall, overcome conventional sintering kiln and process is being used using cuboid brick In be easy to loosen dislocation shortcoming, make furnace chamber bulk uniformly with stably；Extend the time between overhauls(TBO) of sintering oven；Gas Pipe goes out Gas end is helical structure, it is easy to which combustion gas disperses.

Brief description of the drawings

In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described.It should be evident that drawings in the following description are only It is a kind of embodiment of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, can also be extended according to the accompanying drawing for providing and obtain other implementation accompanying drawings.

Fig. 1：Structural front view of the present utility model；

Fig. 2：The structure sectional view in the utility model kiln chamber；

Fig. 3：The structural front view of the utility model Gas Pipe outlet side；

Fig. 4：The structural front view of the utility model nozzle.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawings and examples.

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining Description of Drawings is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model Limitation.

As shown in Figure 1, 2, a kind of sintering oven of good airproof performance, including：The kiln body 1 for extending along the longitudinal direction；Kiln Chamber 2, it runs through kiln body 1 along kiln body fore-and-aft direction, and kiln chamber is divided into preheating zone 20, height temperate zone 21 from front to back With cooling zone 22, kiln chamber includes kiln top 23, furnace chamber wall 24 and running rail 25, is set at Yao Ding both sides and furnace chamber wall contact position First step 230 is put, second step 240, the 3rd step are set gradually from top to bottom at furnace chamber wall top and kiln top contact position 241 and the 4th step 242, first step part is in contact with second step, and the low portion of kiln top 23 is in contact with the 4th step, Formed between first step and second step and sealing gasket 26 is set in cavity, cavity, sealing gasket is high temperature resistant elastomeric material；Driving Guide rail 25, it is arranged at kiln chamber bottom, and kiln wall lower inside is provided with tongue-and-groove 27, and tongue-and-groove includes the first cell wall and the second cell wall, The angle that first cell wall and the second cell wall are formed is acute angle, and angle is just to ground；The inlay card of running rail 25 is in tongue-and-groove 27；Kiln top 23 and furnace chamber wall 24 connected by step and sealing gasket 26, the sealing property in kiln chamber 2 is improve, while kiln top and furnace chamber wall Split-type structural, is easy to industry to manufacture and install.Running rail 25 and furnace chamber wall joggle, the entirety for improving kiln chamber 2 are consolidated Property.

Air curtain 3, is arranged at kiln top of chamber inwall, between height temperate zone 21 and cooling zone 22；Air curtain is used for will Height temperate zone 21 is isolated with cooling zone 22, it is to avoid heat diffuses to cooling zone 22 by height temperate zone 21.

Flue 4, its heat smoke air inlet is connected by flue 40 with the top of kiln chamber preheating zone 20, fume pipe Air-introduced machine 41 is set on road；Combustion system, including several nozzles, nozzle is relative on the two side of kiln chamber height temperate zone 21 to be set Put.

As shown in figure 3, in order that fuel gas buring is more abundant, nozzle includes air hose 50 and the combustion gas in air hose Pipe 51, Gas Pipe outlet side spiral is upwardly extended and screw diameter is less and less, and air hose is stretched out in the outlet side of Gas Pipe 51.Combustion gas Sprayed through Gas Pipe 51, outwards scattered along helical form outlet side, can be sufficiently mixed with air.

As shown in figure 4, further lifting dispersibility of the Gas Pipe outlet side to combustion gas, Gas Pipe is covered with gold on outlet side Category net 52, air inside pipe wall is formed with helical groove, and scattered combustion gas is further refined shunting by wire netting.Preferably, nozzle Quantity is 5 pairs.

Preferably, helical groove with the Gas Pipe outlet side hand of spiral conversely, air hose in outlet side hand of spiral phase Instead, the air draught of ejection and the reverse thread mixing of fuel gas flow, lift combustion efficiency.

The utility model is illustrated by way of example above, but the utility model is not limited to above-mentioned specific implementation Example, all any changes done based on the utility model or modification belong to the claimed scope of the utility model.

Claims (6)

1. a kind of sintering oven of good airproof performance, it is characterised in that including：The kiln body for extending along the longitudinal direction（1）；Kiln chamber （2）, it runs through kiln body along the kiln body fore-and-aft direction（1）, the kiln chamber is divided into preheating zone from front to back （20）, height temperate zone（21）And cooling zone（22）, the kiln chamber includes kiln top（23）, furnace chamber wall（24）And running rail（25）, First step is set at the Yao Ding both sides and furnace chamber wall contact position（230）, the furnace chamber wall top and kiln top contact position Place sets gradually second step from top to bottom（240）, the 3rd step（241）With the 4th step（242）, the first step part It is in contact with second step, the kiln top（23）Low portion is in contact with the 4th step, the first step and second step Between form cavity, sealing gasket is set in the cavity（26）；Running rail（25）, it is arranged at kiln chamber bottom, the kiln Wall lower inside is provided with tongue-and-groove（27）, the tongue-and-groove includes the first cell wall and the second cell wall, first cell wall and the second cell wall The angle of formation is acute angle, and the angle is just to ground；The running rail（25）Inlay card is in tongue-and-groove（27）It is interior；Air curtain（3）, The kiln top of chamber inwall is arranged at, positioned at height temperate zone（21）And cooling zone（22）Between；Flue（4）, its heat smoke Air inlet passes through flue（40）With kiln chamber preheating zone（20）Top is connected, and air-introduced machine is set on the flue （41）；Combustion system, including several nozzles, the nozzle is in kiln chamber height temperate zone（21）It is oppositely arranged on two side.

2. the sintering oven of good airproof performance according to claim 1, it is characterised in that the nozzle includes air hose（50）With Gas Pipe in the air hose（51）, Gas Pipe outlet side spiral is upwardly extended and screw diameter is less and less, The Gas Pipe（51）Air hose is stretched out in outlet side.

3. the sintering oven of good airproof performance according to claim 2, it is characterised in that be covered with gold on the Gas Pipe outlet side Category net（52）.

4. the sintering oven of good airproof performance according to claim 2, it is characterised in that the air inside pipe wall is formed with spiral Groove, the helical groove is opposite with the Gas Pipe outlet side hand of spiral.

5. the sintering oven of good airproof performance according to claim 1 and 2, it is characterised in that the nozzle quantity is 5 pairs.

6. the sintering oven of good airproof performance according to claim 1 and 2, it is characterised in that the sealing gasket（26）It is resistance to height Warm elastomeric material.