CN101126605A

CN101126605A - Train kiln

Info

Publication number: CN101126605A
Application number: CNA200710050126XA
Authority: CN
Inventors: 韦克; 韦明
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-09-21
Filing date: 2007-09-21
Publication date: 2008-02-20

Abstract

The utility model discloses a train kiln, comprising a firing room, which is characterized in that a furnace with the firing room is arranged at every movable carriage, the firing rooms of two adjacent carriages are connected through gas duct, two carriages are connected, and a continuous operation furnace comprises the carriage kiln and a plurality of carriages of a connecting structure of the carriage kiln. The gas ducts between every two adjacent carriages are connected through a concavo-convex embedded structure that is convenient to embed and redraw; soft material are used to seal the joint. A material inlet communicated with a combustion chamber is arranged on one side or two sides of the carriage. The utility model has the advantages that thermal schedule is easy to adjust, firing condition is better, material cost is lower, operation is flexible, the operation is continuous, the product quality is better, and the utility model is used for ceramics, refractory material and building material.

Description

Train kiln

Technical field

The present invention relates to the Thermal Equipment of products such as a kind of energy firing ceramics, refractory material and construction material, especially van-type moves kiln.

Background technology

At present, the kiln that is used for firing ceramics, refractory material has a lot, and wherein common have periodic kilns the kiln, a tunnel cave etc.

In each kiln, bavin burns relatively typical case of ascending kiln, and service time is longer, eliminates at present.Ascending kiln starts from the Song dynasty, and Dehua, Fujian initiative so have another name called Dahua ware, has the long history of nearly one thousand years.The structure of this kiln is to be connected into an integral body by many independent chambers of burning till, and is generally 5 to 10, one of gesture inclination single order and building near the mountain, and gradient is generally 23 °.Every kiln comprises and burns till chamber, a combustion chamber, partition wall and chimney pin eye.Burning is fuel with the fuel wood, and the combustion chamber is communicated with the chamber of burning till, and burns till the chamber and burns till between the chamber by the connection of connecting mutually of chimney pin eye.The combustion chamber is located under the partition wall of every kiln front end, is form of grooves, is commonly called as " fiery pit ", does not have grate and firebreak, supplies with the required air of burning by the chimney pin eye under the partition wall, is provided with when the closed on both sides wicket and throws the bavin hole.This kiln cost is lower, and thermal regulation is more easily adjusted, and the waste heat of goods and kiln body is fully used, and flue gas can preheating be treated burned product and kiln body, can obtain the combustion air near the goods firing temperature during fuel combustion, and specific fuel consumption is minimum.Shortcoming is to differ bigger before and after the kiln temperature, and the labour intensity height can't be realized the mechanization operation.

Periodic kiln is on the basis of ascending kiln, gets between one the chamber of burning till arbitrarily and separates separately, installs chimney additional, is exactly complete batch (-type) Industrial Stoves.It is little that periodic kilns the kiln has a volume, and firing period is short, and labour intensity is little, and thermal regulation is easy to adjust, and flexibility is good, the kiln temperature more impartial advantage that distributes when burning till, and be used widely.But the combustion air temperature that periodic kilns the kiln obtains is low excessively, and flue gas temperature when kiln is too high again, and work be again step, can not produce continuously, fuel consumption is high.Restricted the development of periodic kilns the kiln.

Tunnel cave is gained the name because of its similar railway cavern tunnel, is generally the single channel formula, and the kiln wall of passage both sides and the very useful refractory material of top kiln are built by laying bricks or stones and formed, and are made of the kiln car that moves along the kiln inner orbit at the bottom of the kiln of bottom, and two ends are provided with wicket.The characteristics of this kiln are to work continuously, and its output is big, and fuel consumption is low, and the thermal efficiency is higher, and working condition is good.Yet, also exist capital expenditure big, thermal regulation is difficult for adjusting, and is difficult to obtain the weakness such as combustion air of higher temperature.

The patent of invention that the applicant has applied for a kind of " landslip moving card rapid-burning power-saving kiln " September 10 nineteen ninety to State Patent Office, on September 11st, 1991 power of patenting.The structure of this power-saving kiln is after the chamber of burning till with a whole kiln is divided into plurality of sections, build by laying bricks or stones respectively on each truck again and constitute the compartment, the combustion chamber be arranged on each section truck klining system thing above, after each section truck kiln connects, promptly constitute a very long tunnel shape and burn till the chamber.Because it is too big to burn till the space of chamber, and be again to adopt the segmentation calcining method, causing has the bigger temperature difference in the kiln, and thermal regulation is difficult to adjust.Thermal regulation comprise with kiln in relevant temperature, pressure and atmosphere system etc.

Goal of the invention

The purpose of this invention is to provide a kind of train kiln, be difficult to obtain the technical barrier of high temperature combustion-supporting gas in the time of can solving the calcining of continuous operating kiln, greatly improve firing condition, reduce fuel consumption.

After having researched and analysed the pluses and minuses of above prior art kiln, design a kind of new-type kiln, the method for designing of this kiln is: with the device serial connection of some batch (-type) Industrial Stoves by a whole set of, and be arranged on movably on the device, become infant industry kiln a---train kiln that can move and work continuously.Its operation principle is: install goods at some seats and just waiting in the periodic kilns the kiln of calcining, burn a certain seat earlier, allow the smoke pre-heating that produces in the combustion process some kilns and goods thereof to be burnt, after a certain seat kiln burns till, allow it be raised the combustion-supporting gas of the air of temperature because of cooling kiln body and goods again, and each kiln is connected in series the formation cycle operation by the passage of sealing as the kiln of calcining.The train kiln of the present invention's design is together in series periodic kiln in fact exactly, forms cycle operation.Its firing operation follows the firing operation of periodic kiln the same substantially, and just the kiln on certain compartment burns till the back and does moving of orientation, location, to reach the purpose of working continuously.

Technical scheme of the present invention is:

A kind of train kiln, it comprises burns till the chamber, it is characterized in that also comprising:

Each saves movably the compartment and is provided with one and comprises the kiln that burns till the chamber, every two adjacent chambers of saving between the compartment kilns of burning till communicate by gas flue, and realize that two joint compartments connect, constitute the kiln that can work continuously with the more piece compartment of this compartment kiln and syndeton thereof.

Every two adjacent gas flues that save between the compartments are connected by can conveniently embedding with the uneven structure that withdraws from, and this junction is provided with the soft material sealing.

The outer one or both sides in every joint compartment are provided with and burn till the indoor incendiary material input port that communicates.

The train kiln of said structure has been preserved all advantages of existing kiln, has the characteristics of continous way operation again:

(1) flexibility is big, and the kiln in this train kiln on a certain compartment can be made various periodic kilns the kiln such as down-draft kiln, half down-draft kiln according to producing needs, and volume is changeable.

(2) thermal regulation is easy to adjust, and the quality of burning till of product is improved.

Kiln temperature distribution uniform when (3) burning till, the waste heat of goods and kiln body and the heat of flue gas all are fully used, and have reduced the imitation frosted glass consumption rate.

(4) can work continuously, the compartment that has burnt till conveniently can be shifted out, renew the compartment that access need be fired.

(5) capital expenditure is little, and maintenance need not be ceased fire and only need be shifted out problematic compartment, can keep in repair.

(6) can fuel be passed to the combustion chamber from the one or both sides in compartment, the combustion-supporting gas temperature during fuel combustion has been created condition near the temperature of burnt product for making extra-high-speed temperature kiln.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the A TV structure enlarged diagram among Fig. 1.

Fig. 3 is a structural representation of analysing and observe amplification among Fig. 2 along B-B.

The specific embodiment

Shown in Figure 1, be structural representation of the present invention.By among the figure as can be known, every joint all is provided with a kiln on the removable compartment 2, promptly compartment 2 is exactly a kiln.Each movably connects into row by gas flue 3 in compartment 2 in regular turn, constitutes train kiln of the present invention, is arranged on the last line Car Track 1 among Fig. 1.The outer one or both sides in every joint compartment 2 are provided with the fuel input port 4 that communicates with the inner combustion chamber, compartment.If these inlet 4 input solid fuels then are batching holes; If input gas or liquid fuel then are input pipe and control valve thereof.Fuel burns from this input port 4 is input to the combustion chamber of compartment kiln, and the thing of firing that is located at is wherein heated.Gas flue 3 in train kiln right-hand member head compartment 2 is connected with chimney or induced-draft fan 5, burns till the flue gas of chamber in the compartment and can discharge from chimney or induced-draft fan 5.Chimney or induced-draft fan 5 can be regulated the circulating pressure that train kiln burns till indoor flue gas.Train rail 1 is arranged to rectangle, is gone through transition in every joint compartment 2 with the mode or the machinery of supporting board cart in the junction at each angle.Burned compartment can be shifted out, need entering of burning, move shown in the arrow as the compartment among the figure 2, continuous firing counterclockwise circulates.Each compartment 2 on last line Car Track 1 is for entering the program of firing or baking the kiln that is also cooling off.Compartment 2 on other train rail 1 can be unloading, freight and treat into or the maintenance.When firing, generally fire the first segment compartment of left end earlier, the second joint compartment that reburns behind the burned first segment compartment, burned first segment compartment enters cooling stage; After the second joint compartment was burned, the 3rd joint compartment reburned; Analogize therewith.Respectively preface first, second and third and four joint compartments of calcining left end earlier successively move compartment burned and cooling afterwards, the calcining fixed-site, such as solid position at former the 4th joint place, compartment, by saving the kiln on the compartment are calcined in regular turn respectively.Press: burned---cooling---end shifts out---other end immigration---, and burned again cyclic program is carried out.Shift out respectively in regular turn from left end the cooling back, compartment of burning till, and to be burnt moves in regular turn from right-hand member.In the process that shifts out and move into, except that the compartment that burns till, can disembark production operation continuously in the compartment 2 that burns.

Shown in Figure 2, be A TV structure enlarged diagram among Fig. 1.Connecting structure between the per two joint compartments 2 of main in the drawings expression, the structure in every joint compartment 2 is all identical.So, only drawn the adjacent compartment of two joints.In the drawings, the right-hand member in joint compartment 2, a left side is provided with the gas flue 3 of convex, the left side in right joint compartment 2 is provided with corresponding concavity gas flue, both concavo-convex gas flue phase embeddings connect, through hole 7 in the gas flue 3 communicates with the through hole 10 of right joint compartment 2 concavity gas flues, promptly the chamber 11 of burning till in left side joint compartment 2 communicates by through

hole

7 and 10 with the chamber 11 of burning till in right joint compartment 2, and just the chamber 11 of burning till in each compartment 2 on last line Car Track 1 all communicates among Fig. 1.Also be provided with the soft material 9 that is used to seal in concavo-convex gas flue phase embedding junction,, be used to prevent heat leak and insulation as asbestos cloth or asbestos cord.Gas flue 3 among the figure is refractory material 8 with the wall that burns till chamber 11 and makes.The combustion chamber communicates with burning till chamber 11, and is located at the left end in compartment 2, and is corresponding with described concavity exhaust gases passes 10 and dog-house 4.Certainly, the compartment kiln also should comprise wicket, and it is located at a side in compartment, is used to load and unload the calcination thing.In Fig. 2, axle and the wheel 6 of each compartment 2 below the compartment places on the track 1, and compartment 2 can be moved flexibly becomes possibility.

Shown in Figure 3, be the structural representation of analysing and observe amplification among Fig. 2 along B-B.By among the figure as can be known, the concavo-convex gas flue phase embedding junctions in two joint compartments 2 are located at the downside of two joint compartments 2 opposite faces.Gas flue 3 is a rectangle, wherein is divided into several through holes 7 with fire rated partition 12, and through hole 10 numbers of concavity gas flue are corresponding with it.Also be provided with the soft material 9 that is used to seal in concavo-convex gas flue phase embedding junction.

Operation principle of the present invention is:

Just waiting in the train kiln of calcining at some goods that install, burning earlier, allowing the smoke pre-heating that produces in the combustion process some kilns and goods thereof to be burnt from chimney or induced-draft fan 5 that joint compartment 2 farthest.Compartment 2 after burning till allows its cooling of ceasing fire, and after the truce, the air that is raised temperature because of cooling kiln body and goods is being calcined the combustion-supporting gas in compartment 2 as next.The flue gas that the kiln calcined produces is by connecting the gas flue 3 in compartment, pass in regular turn the back to be burnt respectively be connected in series the compartment preheating, made full use of last one waste heat that burns till the compartment, saved the energy.Burn till and cool off good at one end shifting out a joint compartment, the compartment to be burnt the other end moves into, the gas flue 3 in its compartment and chimney or induced-draft fan 5 connections.Whenever shift out a joint compartment 2 from an end, also move into a joint compartment 2, form cycle operation from the other end.The train kiln of the present invention's design is exactly the series combination of periodic kiln in fact, and its firing operation is the same substantially with periodic kiln, just after the kiln on certain joint compartment 2 burns till moving of directed and location is done in this compartment, reaches the purpose of working continuously and producing.Owing on each compartment 2 fuel input port 4 is arranged all, every joint compartment 2 is calcining respectively all, and calcined material is heated; And the last waste heat combustion-supporting gas that burns till the compartment is arranged again, and greatly improved firing condition, reduce fuel consumption.Make and burn till indoor thermal regulation and be easy to adjust, the quality of burning till of product is improved.

Claims

1. train kiln, it comprises burns till chamber (11), it is characterized in that also comprising:

Each saves movably compartment (2) and is provided with one and comprises the kiln that burns till chamber (11), every two adjacent chambers of saving between compartment (2) kilns of burning till communicate by gas flue, and realize that two joint compartments (2) connect, constitute the kiln that can work continuously with the more piece compartment (2) of this compartment kiln and syndeton thereof.

2. train kiln according to claim 1 is characterized in that:

Every two adjacent gas flues (3) that save between the compartments (2) are connected by can conveniently embedding with the uneven structure that withdraws from, and this junction is provided with soft material (9) sealing.

3. train kiln according to claim 1 is characterized in that:

The outer one or both sides in every joint compartment (2) be provided with burn till chamber (11) in the incendiary material input port (4) that communicates.