CN112013678A - High-temperature heating tunnel kiln - Google Patents
High-temperature heating tunnel kiln Download PDFInfo
- Publication number
- CN112013678A CN112013678A CN201910448605.XA CN201910448605A CN112013678A CN 112013678 A CN112013678 A CN 112013678A CN 201910448605 A CN201910448605 A CN 201910448605A CN 112013678 A CN112013678 A CN 112013678A
- Authority
- CN
- China
- Prior art keywords
- heating
- exhaust fan
- kiln body
- kiln
- filter
- 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
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Classifications
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- 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
- F27B9/24—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 being carried by a conveyor
- F27B9/2407—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 being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace)
- F27B9/2415—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 being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace) the charge rotating about an axis transversal to the axis of advancement of the charge
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention discloses a high-temperature heating tunnel kiln, which comprises a heating kiln body, wherein a conveying frame is arranged in the heating kiln body, and a refractory roller is arranged on the conveying frame; the top of the heating kiln body is equipped with combustor, waste heat recovery device and exhaust emission device, and exhaust emission device includes blast pipe, filter tube and first air exhauster, and the top at first air exhauster is connected to the one end of blast pipe, and the other end extends to the external world, and the one end of filter tube is connected in the below of first air exhauster, and it is inside that the other end extends to behind the kiln wall of the heating kiln body, and the slot has been seted up to the filter tube upper level, and the insertion has inserted filter equipment in the slot. The invention can quickly raise the temperature in the kiln to high temperature, and utilizes the detachable filtering device to filter the waste gas generated by combustion, thereby avoiding the damage to the first exhaust fan caused by excessive waste gas residues entering the first exhaust fan, reducing the cleaning work of the first exhaust fan, reducing the waste of time, saving the cost and improving the working efficiency.
Description
Technical Field
The invention relates to the field of industrial furnaces, in particular to a high-temperature heating tunnel kiln.
Background
The tunnel kiln is a modern industrial kiln, and has the advantages of continuous production, short period, high yield, high quality, high efficiency and the like. The major structure of tunnel cave is for having the tunnel type structure of both sides kiln wall and kiln top, and can be equipped with the waste gas that the burning produced in with the kiln of air exhauster in the kiln surely often takes out, nevertheless can have waste gas residue in the waste gas often, and after work a period, abandonment residue can be attached to inside the air exhauster, reduces convulsions efficiency, so need often clear up the air exhauster, waste time increases clean cost moreover.
Disclosure of Invention
The invention aims to provide a high-temperature heating tunnel kiln, which solves the problem that the first exhaust fan needs to be cleaned regularly after the tunnel kiln works, and the time is wasted.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to a high-temperature heating tunnel kiln, which comprises a heating kiln body, wherein a feed inlet and a discharge outlet are respectively formed in two ends of the heating kiln body, a conveying frame is arranged in the heating kiln body, two ends of the conveying frame respectively penetrate through the feed inlet and the discharge outlet and then extend to the outside and are supported by supporting legs, a plurality of closely-contacted refractory rollers are arranged on the conveying frame, and the refractory rollers are driven by a conveying device; a burner, a waste heat recovery device and a waste gas discharge device are arranged above the heating kiln body, one end of the burner extends into the heating kiln body, and the other end of the burner is connected with an external fuel pipe; exhaust emission device includes blast pipe, filter tube and first air exhauster, the one end of blast pipe is connected the top of first air exhauster, the other end extend to the external world, the one end of filter tube is connected the below of first air exhauster, the other end runs through extend to inside behind the kiln wall of the heating kiln body, semicircular slot has been seted up to the filter tube higher authority, filter equipment has been inserted in the slot, filter equipment includes filter screen and separation blade, the filter screen is connected perpendicularly on the inside wall of separation blade, the separation blade is semi-circular, and with the outer wall of filter tube closely laminates, the semicircle perimeter of separation blade is longer than the outer wall perimeter of slot.
Further, the combustion energy of the combustor is clean energy.
Furthermore, the refractory roll is connected to the conveying frame through a rotating shaft, and the rotating shaft is movably connected to the conveying frame through a bearing.
Further, conveyer includes motor, gear and coaxial double gear, coaxial double gear is installed first one of the pivot is served, and except first every all be equipped with one in the pivot the gear, the gear with be connected with the transmission chain between the coaxial double gear, the output of motor is connected through drive chain on the coaxial double gear.
Furthermore, a drawing handle is arranged on the outer wall of the baffle plate.
Further, the waste heat recovery device comprises a second exhaust fan, wherein the second exhaust fan is connected above the discharge port through one end of a pipeline, and one end of the second exhaust fan is connected above the feed port.
Compared with the prior art, the invention has the beneficial technical effects that:
the waste heat recovery device can quickly raise the temperature in the kiln to a high temperature, heat is pumped from the discharge hole to the feed inlet through the waste heat recovery device, resources are saved, the detachable filtering device is utilized to filter waste gas generated by combustion, excessive waste gas residues are prevented from entering the first exhaust fan to cause damage to the first exhaust fan, cleaning work of the first exhaust fan is reduced, time waste is reduced, cost is saved, and work efficiency is improved.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic view of the high temperature heating tunnel kiln of the present invention;
FIG. 2 is a top view of the filter apparatus;
FIG. 3 is a side view of the filter apparatus;
description of reference numerals: 1. heating the kiln body; 2. a transfer frame; 3. supporting legs; 4. a refractory roll; 5. a burner; 6. an exhaust pipe; 7. a filter tube; 8. a first exhaust fan; 9. a slot; 10. a rotating shaft; 11. a motor; 12. a gear; 13. a coaxial double gear; 14. a conveyor chain; 15. a drive chain; 16. a filter screen; 17. a baffle plate; 18. a pull handle; 19. a second exhaust fan.
Detailed Description
As shown in fig. 1-3, a high temperature heating tunnel cave, including the heating kiln body 1, feed inlet and discharge gate have been seted up respectively to the both ends of the heating kiln body 1, the inside of the heating kiln body 1 is equipped with conveying frame 2, conveying frame 2's both ends are passed respectively the feed inlet with extend to the external world behind the discharge gate to support through supporting leg 3, be equipped with a plurality of in close contact's fire-resistant roller 4 on the conveying frame 2, fire-resistant roller 4 is connected through pivot 10 on the conveying frame 2, pivot 10 is in through bearing swing joint on the conveying frame 2.
The refractory rolls 4 are driven by a conveyor. The transmission device comprises a motor 11, a gear 12 and a coaxial double gear 13, wherein the coaxial double gear 13 is installed at the first end of the rotating shaft 10, the first end of the rotating shaft 10 is arranged at each end of the rotating shaft 10, the gear 12 is arranged on the rotating shaft 10, a transmission chain 14 is connected between the gear 12 and the coaxial double gear 13, and the output end of the motor is connected to the coaxial double gear 13 through a driving chain 15.
And a burner 5, a waste heat recovery device and a waste gas discharge device are arranged above the heating kiln body 1.
One end of the burner 5 extends into the heating kiln body 1, and the other end of the burner 5 is connected with an external fuel pipe.
The waste heat recovery device comprises a second exhaust fan 19, wherein the second exhaust fan 19 is connected above the discharge hole through one end of a pipeline, and one end of the second exhaust fan is connected above the feed inlet. The waste heat recovery device is used for pumping heat from the discharge hole to the feed inlet, so that resources are saved.
Exhaust emission device includes blast pipe 6, filter tube 7 and first air exhauster 8, the one end of blast pipe 6 is connected the top of first air exhauster 8, the other end extends to the external world, the one end of filter tube 7 is connected the below of first air exhauster 8, the other end runs through extend to inside behind the kiln wall of the heating kiln body 1, semicircular slot 9 has been seted up to filter tube 7 upper level, insert filter equipment in slot 9, filter equipment includes filter screen 16 and separation blade 17, filter screen 16 connects perpendicularly on the inside wall of separation blade 17, separation blade 17 is semi-circular, and with the outer wall of filter tube 7 closely laminates, the semicircle week of separation blade 17 is grown up and is greater than the outer wall girth of slot 9. Utilize detachable filter equipment can change filter equipment at any time, washs save time and cost to filter equipment, and great reduction abandonment residue is attached to on the inside of first air exhauster 8. The outer wall of the baffle 17 is provided with a drawing handle 18, and the filter device can be quickly replaced by utilizing the drawing handle 18.
The combustion energy of the burner 5 is clean energy.
The action process of the invention is as follows:
firstly, a burner is started to heat the temperature in the kiln to a preset temperature, a first exhaust fan 8 is started to discharge waste gas, raw materials to be heated are placed on a refractory roller 4, then a motor 11 is started, the refractory roller 4 is driven to rotate by the motor 11, the raw materials are heated in the kiln, after the kiln works for a period of time, a filtering device is pulled out, a new filtering device is replaced, and the taken filtering device is cleaned.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (6)
1. A high temperature heating tunnel cave which is characterized in that: the heating kiln comprises a heating kiln body (1), wherein a feeding hole and a discharging hole are formed in two ends of the heating kiln body (1) respectively, a conveying frame (2) is arranged inside the heating kiln body (1), two ends of the conveying frame (2) penetrate through the feeding hole and the discharging hole respectively and then extend to the outside and are supported by supporting legs (3), a plurality of closely-contacted fire-resistant rollers (4) are arranged on the conveying frame (2), and the fire-resistant rollers (4) are driven by a conveying device; a burner (5), a waste heat recovery device and a waste gas discharge device are arranged above the heating kiln body (1), one end of the burner (5) extends into the heating kiln body (1), and the other end of the burner (5) is connected with an external fuel pipe; the waste heat recovery device; the waste gas discharge device comprises an exhaust pipe (6), a filter pipe (7) and a first exhaust fan (8), one end of the exhaust pipe (6) is connected above the first exhaust fan (8), the other end extends to the outside, one end of the filter pipe (7) is connected below the first exhaust fan (8), the other end of the filter pipe penetrates through the kiln wall of the heating kiln body (1) and then extends into the heating kiln body, a semicircular slot (9) is horizontally arranged on the filter pipe (7), a filter device is inserted into the slot (9), the filtering device comprises a filter screen (16) and a baffle plate (17), the filter screen (16) is vertically connected on the inner side wall of the baffle plate (17), the baffle plate (17) is semicircular, and the baffle plate is tightly attached to the outer wall of the filter pipe (7), and the half perimeter of the baffle plate (17) is larger than that of the outer wall of the slot (9).
2. The high-temperature heating tunnel kiln according to claim 1, wherein: the combustion energy of the combustor (5) is clean energy.
3. The high-temperature heating tunnel kiln according to claim 1, wherein: the refractory roller (4) is connected to the conveying frame (2) through a rotating shaft (10), and the rotating shaft (10) is movably connected to the conveying frame (2) through a bearing.
4. The high-temperature heating tunnel kiln according to claim 3, wherein: conveyer includes motor (11), gear (12) and coaxial double gear (13), install coaxial double gear (13) first one of pivot (10) is served, and except first every outside pivot (10) all be equipped with one on pivot (10) gear (12), gear (12) with be connected with between coaxial double gear (13) transmission chain (14), the output of motor passes through drive chain (15) and connects on coaxial double gear (13).
5. The high-temperature heating tunnel kiln according to claim 1, wherein: the outer wall of the baffle plate (17) is provided with a drawing handle (18).
6. The high-temperature heating tunnel kiln according to claim 1, wherein: the waste heat recovery device comprises a second exhaust fan (19), wherein the second exhaust fan (19) is connected above the discharge hole through one end of a pipeline, and one end of the second exhaust fan is connected above the feed inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910448605.XA CN112013678A (en) | 2019-05-28 | 2019-05-28 | High-temperature heating tunnel kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910448605.XA CN112013678A (en) | 2019-05-28 | 2019-05-28 | High-temperature heating tunnel kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112013678A true CN112013678A (en) | 2020-12-01 |
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ID=73500324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910448605.XA Pending CN112013678A (en) | 2019-05-28 | 2019-05-28 | High-temperature heating tunnel kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112013678A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3120293U (en) * | 2005-12-28 | 2006-03-30 | 宇部テクノエンジ株式会社 | Waste heat recovery device |
| CN208333067U (en) * | 2018-06-21 | 2019-01-04 | 宋西林 | A kind of rotary energy saving heating furnace |
| CN109702202A (en) * | 2019-03-12 | 2019-05-03 | 宋西林 | A kind of balance weight iron production equipment |
-
2019
- 2019-05-28 CN CN201910448605.XA patent/CN112013678A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3120293U (en) * | 2005-12-28 | 2006-03-30 | 宇部テクノエンジ株式会社 | Waste heat recovery device |
| CN208333067U (en) * | 2018-06-21 | 2019-01-04 | 宋西林 | A kind of rotary energy saving heating furnace |
| CN109702202A (en) * | 2019-03-12 | 2019-05-03 | 宋西林 | A kind of balance weight iron production equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201201 |