CN111578696A - Novel refractory material firing tunnel kiln - Google Patents
Novel refractory material firing tunnel kiln Download PDFInfo
- Publication number
- CN111578696A CN111578696A CN202010460185.XA CN202010460185A CN111578696A CN 111578696 A CN111578696 A CN 111578696A CN 202010460185 A CN202010460185 A CN 202010460185A CN 111578696 A CN111578696 A CN 111578696A
- Authority
- CN
- China
- Prior art keywords
- section
- kiln
- outlet
- air
- cart
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/02—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/26—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on or in trucks, sleds, or containers
- F27B9/262—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on or in trucks, sleds, or containers on or in trucks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/3005—Details, accessories, or equipment peculiar to furnaces of these types arrangements for circulating gases
- F27B9/3011—Details, accessories, or equipment peculiar to furnaces of these types arrangements for circulating gases arrangements for circulating gases transversally
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/40—Arrangements of controlling or monitoring devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
- F27B2009/122—Preheating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/3005—Details, accessories, or equipment peculiar to furnaces of these types arrangements for circulating gases
- F27B2009/3027—Use of registers, partitions
Abstract
The invention belongs to the technical field of refractory material calcination, and particularly relates to a novel refractory material calcination tunnel kiln.A kiln body is sequentially provided with an inlet preparation section, a preheating section, a calcination section, a transition section, a cooling section and an outlet preparation section from a feeding side to a discharging side, wherein an inlet air sealing device is arranged between the inlet preparation section and the preheating section, a cooling section air curtain device is arranged between the transition section and the cooling section, and an outlet air sealing device is arranged between the cooling section and the outlet preparation section; the cart system comprises a kiln outer cart machine, a kiln inner cart unit and an outlet cart machine, and is characterized in that: the continuous fire box kiln car is arranged in the kiln body, and the fire box kiln car continuously moves in the kiln body under the continuous pushing of the kiln outer pusher, the kiln inner pusher unit and the outlet pusher from the feeding side in sequence. Compared with the prior art, the invention has the following advantages: 1) the difficult problems that the tunnel kiln is disconnected and the cart is pushed and the temperature fluctuation is large are solved. 2) The thermal regulation is stable, the burning energy consumption is reduced by 30 percent, and the quality of the refractory product is improved.
Description
Technical Field
The invention belongs to the technical field of refractory material calcination for metallurgy, and particularly relates to a novel refractory material calcination tunnel kiln.
Background
At present, the main equipment for producing refractory products is the conventional tunnel kiln. The traditional tunnel kiln adopts intermittent trolleys and frequent kiln door opening, and has large temperature fluctuation, which seriously influences the stability of the thermal regulation of the tunnel kiln, increases the energy consumption, reduces the product quality and the like.
The application number 201420100389.2 of the utility model discloses a baking tunnel kiln for sludge brick making, which comprises a foundation beam, a track kiln car, a kiln wall containing sand seals, a kiln top and a ventilation pipe, wherein the whole kiln is divided into an air seal air curtain section, a smoke exhaust section, a preheating section, a pre-burning section, a quenching section, an indirect cooling section, a slow cooling section and a direct cooling section along the length direction; the gas-seal gas curtain section is provided with a stainless steel circulating closed gas curtain at the kiln head, the gas-seal gas curtain section is provided with a closed gas curtain at the kiln tail, the smoke exhaust section, the preheating section, the pre-burning section, the rapid cooling section, the slow cooling section and the direct cooling section are all provided with blowing devices, the pre-burning section is provided with an automatic ignition burner, and the burning section is provided with an isothermal burner. The scheme solves the problem of flame downward movement between the kiln car and the kiln wall and between the kiln car and the kiln car, and the content of the continuous cart is not mentioned.
The utility model discloses a chinese utility model patent application number 201320542497.0 discloses a tunnel kiln cart pusher gear, including the hydraulic pressure station, the bottom plate and the pneumatic cylinder of being connected through high pressure fuel pipe with the hydraulic pressure station, pneumatic cylinder horizontal welding is on the bottom plate, the upper portion of pneumatic cylinder is equipped with a stand pipe along the axial, stand pipe upper portion is equipped with a through-hole along the axial, wear to be equipped with a length in the stand pipe and be longer than the slide bar of stand pipe, the slide bar front end passes through the connecting rod and is connected with the piston rod upper portion of pneumatic cylinder, the slide bar is anterior and the rear portion is equipped with respectively along through-hole axial displacement's preceding touching pole and back touching pole, the pneumatic cylinder front portion be equipped with respectively with preceding touching pole and back touching. This document discloses a cart which ensures a continuous production.
The chinese utility model patent application No. 201620 (21) 5045.5 discloses a kiln head sealing device of a tunnel kiln, which comprises two lifting sealing doors and a sealing vehicle bottom with power. After the load kiln car is jacked into the tunnel kiln at the bottom of the sealing vehicle, the second sealing door is put down, the kiln head of the tunnel kiln is sealed, the first sealing door is lifted, the sealing vehicle bottom is withdrawn, the next load kiln car is jacked into the kiln head sealing section again, the next load kiln car is in butt joint with the previous load kiln car, then the first sealing door is put down, the second sealing door is lifted again, the task that the kiln head is continuously sealed jointly by the first sealing door and the power vehicle bottom is formed, then the alternative work is started, and the function of strictly sealing the kiln head of the tunnel kiln in the whole process is achieved. According to the scheme, the influence of the intermittent cart on the temperature in the kiln is reduced by improving the sealing structure of the kiln head.
Disclosure of Invention
The invention aims to provide a novel refractory material firing tunnel kiln, which overcomes the defects of the prior art, solves the problems of discontinuous cart and large temperature fluctuation of the tunnel kiln, realizes continuous cart in the tunnel kiln, has less temperature fluctuation and stable thermal regulation, reduces firing energy consumption and improves the product quality of the refractory material.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a novel refractory material burning tunnel kiln comprises an out-kiln car pusher, an in-kiln cart unit, an inlet preparation section, an inlet air sealing device, a preheating section, a burning section, a transition section, a cooling section air curtain device, a cooling section, an outlet air sealing device, an outlet preparation section and an outlet car pusher, wherein the kiln body is sequentially provided with the inlet preparation section, the preheating section, the burning section, the transition section, the cooling section and the outlet preparation section from a feeding side to a discharging side; the cart system comprises a kiln outer cart machine, a kiln inner cart unit and an outlet cart machine, and is characterized in that: the kiln body is internally provided with a fire box kiln car which continuously moves, refractory material blanks are stacked on the surface of the fire box kiln car, and the fire box kiln car continuously moves in the kiln body under the continuous pushing of an out-kiln car pusher, an in-kiln car pusher unit and an outlet car pusher from a feeding side in sequence.
Furthermore, the cross section of the inlet preparation section is the same as that of the preheating section and the sintering section, is a rectangular cross section and is built by heat insulation materials; the cart unit in the kiln is positioned at the bottom of the inlet preparation section and consists of two hydraulic cylinders, and the two hydraulic cylinders move continuously and alternately to push the fire box kiln car to move continuously forwards.
Furthermore, the inlet air sealing device consists of a high-pressure air box with an n-shaped section and a plurality of high-pressure jet holes arranged on the inner side of the high-pressure air box, and is made of metal materials, and high-pressure airflow is jetted from the high-pressure jet holes to form an air curtain to block gas leakage in the kiln.
Furthermore, the cross section of the transition section is rectangular, the longitudinal section of the transition section is trapezoidal, the feeding side of the transition section is higher than the discharging side of the transition section, the feeding side of the transition section is in seamless connection with the sintering section, the discharging side of the transition section is in seamless connection with the cooling zone, and the inner walls of the preheating section, the sintering section, the transition section and the cooling section are provided with refractory material linings with equal thickness.
Furthermore, the cooling air curtain device consists of an air box with an n-shaped section and a plurality of gas injection holes arranged on the inner side of the air box, and is made of refractory materials, and high-pressure airflow is injected from the gas injection holes to form an air curtain to block the gas in the transition section in the kiln from flowing to the cooling section.
Furthermore, the outlet air sealing device consists of a high-pressure air box with an n-shaped section and a plurality of high-pressure air injection holes arranged on the inner side of the high-pressure air box, and is made of metal materials, and high-speed air flow sprayed out from the high-pressure air injection holes forms an air curtain to block air leakage in the kiln.
Furthermore, the cross section of the outlet preparation section is the same as that of the preheating section and the firing section, is a rectangular cross section and is built by heat-insulating materials; the outlet car pusher is positioned at the bottom of the outlet preparation section.
Furthermore, a fire box is arranged on the fire box kiln car, the fire box is of a rectangular cavity structure, and a high-temperature waste gas jet hole is formed in the top of the fire box.
According to the technical scheme, the fire box kiln car is a specially designed tunnel kiln car suitable for continuous pushing, a fire box is arranged on the fire box kiln car, fuel combustion is completed in the fire box, high-temperature waste gas enters the kiln upwards through a fire box injection hole and a refractory material blank on the surface of the fire box kiln car is fired into a refractory product. The cart unit in the kiln consists of two hydraulic cylinders, and the two hydraulic cylinders move continuously and alternately to push the fire box kiln car to move continuously forwards so as to realize continuous operation. The moving speed of the fire box kiln car is adjustable by the technological requirements of the refractory products, so that the sufficient firing time in the kiln is ensured, and the product quality is improved.
Compared with the prior art, the invention has the following beneficial effects: 1) the problem of large temperature fluctuation caused by the intermittent cart of the tunnel kiln is successfully solved, the air seal and the air curtain achieve the function of strict sealing in the whole process, and the heat loss is reduced. 2) The continuous car pushing mechanism reduces the influence of cold air outside the kiln on the temperature in the kiln, has less temperature fluctuation and stable thermal regulation, reduces the sintering energy consumption by 30 percent, and obviously improves the product quality of refractory products.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a sectional view taken along line B-B of fig. 2.
Fig. 4 is a cross-sectional view taken along line C-C of fig. 2.
Fig. 5 is a cross-sectional view taken along line D-D of fig. 2.
Fig. 6 is a sectional view taken along line E-E of fig. 1.
In fig. 1: 1-kiln external pusher, 2-fire box kiln car, 3-kiln internal pusher unit, 4-inlet preparation section, 5-inlet air sealing device, 6-preheating section, 7-sintering section, 8-transition section, 9-cooling section air curtain device, 10-cooling section, 11-outlet air sealing device, 12-outlet preparation section, 13-outlet pusher, 14-high-pressure air box I, 15-high-pressure jet nozzle I, 16-air box, 17-gas jet hole, 18-high-pressure air box II, 19-high-pressure jet hole II, 20-fire box and 21-high-temperature waste gas jet hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, the structural schematic diagram of an embodiment of the tunnel kiln for sintering the novel refractory material of the present invention includes an out-kiln car pusher 1, an in-kiln car pusher unit 3, an inlet preparation section 4, an inlet air sealing device 5, a preheating section 6, a sintering section 7, a transition section 8, a cooling section air curtain device 9, a cooling section 10, an outlet air sealing device 11, an outlet preparation section 12 and an outlet car pusher 13, wherein the kiln body is sequentially provided with the inlet preparation section 4, the preheating section 6, the sintering section 7, the transition section 8, the cooling section 10 and the outlet preparation section 12 from a feeding side to a discharging side, the inlet air sealing device is arranged between the inlet preparation section and the preheating section, the cooling section air curtain device 9 is arranged between the transition section 8 and the cooling section 10, and the outlet air sealing device is arranged between the cooling section 10 and the outlet preparation section 12; the pushing system comprises a kiln outer pusher 1, a kiln inner pusher unit 3 and an outlet pusher, wherein a fire box kiln car 2 which continuously moves is arranged in a kiln body, a refractory brick blank is stacked on the surface of the fire box kiln car 2, the fire box kiln car 2 continuously moves in the kiln body under the continuous pushing of the kiln outer pusher 1, the kiln inner pusher unit 3 and the outlet pusher 13 in sequence from the feeding side, and finally the fire box kiln car is pushed out of the tunnel kiln by the outlet pusher 13.
The kiln outer pusher 1 is a conventional tunnel kiln hydraulic pusher, pushes a firebox kiln car 2 loaded with green bricks into an inlet preparation section 4, and belongs to the prior art.
The cart unit 3 in the kiln consists of two hydraulic cylinders which move alternately continuously to push the fire box kiln car 2 to move forward continuously, and the structure belongs to the conventional technology in the field. The cart unit 3 in the kiln is located at the bottom of the inlet preparation section 4. The cross section of the inlet preparation section 4 has the same shape as that of the preheating section 6 and the sintering section 7, is a rectangular cross section and is built by heat-insulating materials.
Referring to fig. 3, the inlet air sealing device 5 is composed of a first high-pressure air box 14 with an n-shaped cross section and a first high-pressure injection hole 15 arranged on the inner side of the first high-pressure air box, and high-pressure air flow is injected from the first high-pressure injection hole 15 to form an air curtain to block gas leakage in the kiln. The inlet gas seal 5 is made of a metal material.
The cross section of the transition section 8 is rectangular, the longitudinal section is trapezoidal with the feeding side higher than the discharging side, the feeding side is in seamless connection with the sintering section 7, the discharging side is in seamless connection with the cooling section 10, and the inner walls of the preheating section 6, the sintering section 7, the transition section 8 and the cooling section 10 are provided with refractory material linings with equal thickness.
Referring to fig. 4, the cooling air curtain device 9 is composed of an air box 16 with an n-shaped cross section and air injection holes 17 arranged on the inner side of the air box, and high-pressure air flow is injected from the air injection holes 17 to form an air curtain to block the air flow of the transition section 8 in the kiln from flowing to the cooling section 10. The cooling section air curtain device 9 is made of refractory material.
Referring to fig. 5, the outlet air sealing device 11 is composed of a second high-pressure air box 18 with an n-shaped cross section and a plurality of second high-pressure injection holes 19 arranged on the inner side of the second high-pressure air box, and is made of metal materials, and high-speed air flow sprayed from the second high-pressure injection holes forms an air curtain to block gas leakage in the kiln.
The cross section of the outlet preparation section 12 has the same shape as that of the preheating section 6 and the firing section 7, is a rectangular cross section and is built by heat-insulating materials; an outlet cart station 13 is located at the bottom of the outlet preparation section 12.
Referring to fig. 6, the fire box 20 is arranged on the fire box kiln car 2, the fire box is of a rectangular cavity structure, the top of the fire box is provided with a high-temperature exhaust gas injection hole 21, and high-temperature exhaust gas at 1800 ℃ participates in the firing of the green bricks stacked above the fire box kiln car 2.
When the tunnel kiln works, the fire box kiln car 2 loaded with green bricks enters the inlet preparation section 4 under the pushing of the out-kiln car pusher 1, the in-kiln car pushing unit 3 continuously pushes the fire box kiln car 2 loaded with refractory green bricks forwards, and the fire box kiln car 2 passes through the inlet preparation section 4, the inlet air sealing device 5, the preheating section 6, the firing section 7, the transition section 8, the cooling section 10, the outlet air sealing device 11 and the outlet preparation section 12 in sequence and is pushed out of the tunnel kiln by the outlet car pusher 13.
The above embodiments are merely specific examples selected for illustrating the objects, technical solutions and advantages of the present invention in detail, and should not be construed as limiting the scope of the present invention, and various modifications, equivalent substitutions and improvements can be made without departing from the spirit and principle of the present invention.
Claims (8)
1. A novel refractory material firing tunnel kiln comprises an out-kiln cart machine (1), an in-kiln cart machine set (3), an inlet preparation section (4), an inlet air sealing device (5), a preheating section (6), a firing section (7), a transition section (8), a cooling section air curtain device (9), a cooling section (10), an outlet air sealing device (11), an outlet preparation section (12) and an outlet cart machine (13), wherein the kiln body is sequentially provided with the inlet preparation section (4), the preheating section (6), the firing section (7), the transition section (8), the cooling section (10) and the outlet preparation section (12) from a feeding side to a discharging side, an inlet air sealing device (5) is arranged between the inlet preparation section (4) and the preheating section (6), a cooling section air curtain device (9) is arranged between the transition section (8) and the cooling section (10), an outlet air sealing device (11) is arranged between the cooling section (10) and the outlet preparation section (12); the cart system comprises a kiln outer cart machine (1), a kiln inner cart unit (3) and an outlet cart machine (13), and is characterized in that: the kiln body is internally provided with a fire box kiln car (2) which continuously moves, refractory material blanks are stacked on the surface of the fire box kiln car (2), and the fire box kiln car (2) continuously moves in the kiln body under the continuous pushing of an out-kiln car pusher (1), an in-kiln car pusher unit (3) and an outlet car pusher (13) from the feeding side in sequence.
2. The new refractory-fired tunnel kiln of claim 1, wherein: the cross section of the inlet preparation section (4) is the same as that of the preheating section (6) and the sintering section (7), is a rectangular cross section and is built by heat-insulating materials; the cart unit (3) in the kiln is positioned at the bottom of the inlet preparation section (4) and consists of two hydraulic cylinders, and the two hydraulic cylinders continuously and alternately move to push the fire box kiln car (2) to continuously move forwards.
3. The new refractory-fired tunnel kiln of claim 1, wherein: the inlet air sealing device (5) is composed of a high-pressure air box I (14) with an n-shaped cross section and a plurality of high-pressure jet holes I (15) arranged on the inner side of the high-pressure air box, and is made of metal materials, and high-pressure airflow is jetted from the high-pressure jet holes I (15) to form an air curtain to block gas leakage in the kiln.
4. The new refractory-fired tunnel kiln of claim 1, wherein: the cross section of the transition section (8) is rectangular, the longitudinal section of the transition section is trapezoidal, the feeding side of the transition section is higher than the discharging side of the transition section, the feeding side of the transition section is connected with the sintering section (7) in a seamless mode, the discharging side of the transition section is connected with the cooling zone (10) in a seamless mode, and the inner walls of the preheating section (6), the sintering section (7), the transition section (8) and the cooling zone (10) are provided with refractory material linings with equal thickness.
5. The new refractory-fired tunnel kiln of claim 1, wherein: the cooling air curtain device (9) is composed of an air box (16) with an n-shaped section and a plurality of air injection holes (17) arranged on the inner side of the air box, and is made of refractory materials, and high-pressure air flow is injected from the air injection holes (17) to form an air curtain to block the air flow of a transition section (8) in the kiln from flowing to the cooling section (10).
6. The new refractory-fired tunnel kiln of claim 1, wherein: the outlet air sealing device (11) is composed of a high-pressure air box II (18) with an n-shaped cross section and a plurality of high-pressure air injection holes II (19) arranged on the inner side of the high-pressure air box II (18), and is made of metal materials, and high-speed air flow sprayed out from the high-pressure air injection holes forms an air curtain to block air leakage in the kiln.
7. The new refractory-fired tunnel kiln of claim 1, wherein: the cross section of the outlet preparation section (12) has the same shape as that of the preheating section (6) and the sintering section (7), is a rectangular cross section and is built by heat-insulating materials; the outlet pusher (13) is positioned at the bottom of the outlet preparation section (12).
8. The new refractory-fired tunnel kiln of claim 1, wherein: the fire box kiln car (2) is provided with a fire box (20), the fire box (2) is of a rectangular cavity structure, the top of the fire box is provided with a high-temperature waste gas injection hole (21), fuel is combusted in the fire box (20), and high-temperature waste gas at the temperature of 1000 plus 1800 ℃ enters the kiln through the high-temperature waste gas injection hole (21) to fire refractory products.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010460185.XA CN111578696A (en) | 2020-05-27 | 2020-05-27 | Novel refractory material firing tunnel kiln |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010460185.XA CN111578696A (en) | 2020-05-27 | 2020-05-27 | Novel refractory material firing tunnel kiln |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111578696A true CN111578696A (en) | 2020-08-25 |
Family
ID=72119597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010460185.XA Pending CN111578696A (en) | 2020-05-27 | 2020-05-27 | Novel refractory material firing tunnel kiln |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111578696A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117053550A (en) * | 2023-10-11 | 2023-11-14 | 福建省德化意达陶瓷有限公司 | High-efficiency energy-saving ceramic kiln |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201535617U (en) * | 2009-08-27 | 2010-07-28 | 毛耐文 | Tunnel kiln for direct reduction of pig iron from iron-based oxide |
CN204187975U (en) * | 2014-09-28 | 2015-03-04 | 李华 | The compound tunnel cave of a kind of circulation |
CN107860220A (en) * | 2017-10-31 | 2018-03-30 | 广西旭腾实业集团有限公司 | Energy-efficient automation tunnel cave |
CN109654875A (en) * | 2019-01-24 | 2019-04-19 | 老梁(贵安新区)科技有限公司 | A kind of quick Roasting Kiln System of low code and its technique |
CN209541376U (en) * | 2019-01-30 | 2019-10-25 | 奥镁(大连)有限公司 | A kind of progressive kiln |
CN110763013A (en) * | 2019-12-02 | 2020-02-07 | 中冶焦耐(大连)工程技术有限公司 | Narrow strip-shaped pit type hydraulic trolley device |
CN210180152U (en) * | 2019-06-15 | 2020-03-24 | 黄冈市中瓷朗能窑炉有限公司 | Continuous tunnel type device of nitrogenize reaction |
CN210297450U (en) * | 2019-09-24 | 2020-04-10 | 西安慧金科技有限公司 | Kiln type continuous cart type gear pin transmission device |
-
2020
- 2020-05-27 CN CN202010460185.XA patent/CN111578696A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201535617U (en) * | 2009-08-27 | 2010-07-28 | 毛耐文 | Tunnel kiln for direct reduction of pig iron from iron-based oxide |
CN204187975U (en) * | 2014-09-28 | 2015-03-04 | 李华 | The compound tunnel cave of a kind of circulation |
CN107860220A (en) * | 2017-10-31 | 2018-03-30 | 广西旭腾实业集团有限公司 | Energy-efficient automation tunnel cave |
CN109654875A (en) * | 2019-01-24 | 2019-04-19 | 老梁(贵安新区)科技有限公司 | A kind of quick Roasting Kiln System of low code and its technique |
CN209541376U (en) * | 2019-01-30 | 2019-10-25 | 奥镁(大连)有限公司 | A kind of progressive kiln |
CN210180152U (en) * | 2019-06-15 | 2020-03-24 | 黄冈市中瓷朗能窑炉有限公司 | Continuous tunnel type device of nitrogenize reaction |
CN210297450U (en) * | 2019-09-24 | 2020-04-10 | 西安慧金科技有限公司 | Kiln type continuous cart type gear pin transmission device |
CN110763013A (en) * | 2019-12-02 | 2020-02-07 | 中冶焦耐(大连)工程技术有限公司 | Narrow strip-shaped pit type hydraulic trolley device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117053550A (en) * | 2023-10-11 | 2023-11-14 | 福建省德化意达陶瓷有限公司 | High-efficiency energy-saving ceramic kiln |
CN117053550B (en) * | 2023-10-11 | 2023-12-15 | 福建省德化意达陶瓷有限公司 | High-efficiency energy-saving ceramic kiln |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106287725B (en) | The low NOx flat flame heat-accumulating burner of grading combustion technology | |
CN102359744A (en) | Backdraft multi-return heat storage energy-saving furnace for hearth coaxial staged combustion center | |
CN112781367A (en) | Integral circulation movable brick kiln | |
CN104154763B (en) | A kind of smelting furnace high-temperature flue gas exhaust heat recovering method | |
CN111578696A (en) | Novel refractory material firing tunnel kiln | |
CN106895700B (en) | A kind of aluminum alloy melting method | |
CN204611770U (en) | Porous media injecting type burner | |
CN104294027A (en) | Integral step-type heating furnace with round rod | |
CN112393599A (en) | Tangential curtain cooling type gas injection sintering machine and control method thereof | |
CN220356045U (en) | High-temperature sintering puffing kiln | |
CN206073077U (en) | The low NOx flat flames heat-accumulating burner of grading combustion technology | |
CN210420022U (en) | Scrap steel preheating furnace | |
CN201455004U (en) | Pierced billet reheating furnace | |
CN201740378U (en) | Low-energy-consumption wide-body tunnel kiln | |
CN203582903U (en) | Malleable cast iron heat accumulating type tunnel annealing furnace production line | |
CN101893375A (en) | Heating furnace and heating method thereof | |
CN214426413U (en) | Integral circulation movable brick kiln | |
CN211651190U (en) | Heat accumulating type tunnel kiln for processing domestic ceramic products | |
CN205037736U (en) | Fire roller kilns of archaize building product | |
CN213238399U (en) | Tunnel kiln | |
CN212077127U (en) | Stepping magnesium alloy winding annealing furnace | |
CN201340186Y (en) | Round billet heating device for pusher continuous heating furnace | |
CN203837501U (en) | Continuous steel scrap preheating equipment | |
CN208167063U (en) | A kind of pusher-type furnace is into steel platform | |
CN101519595B (en) | Coal-carbonifying device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200825 |