CN211668200U

CN211668200U - Tunnel kiln

Info

Publication number: CN211668200U
Application number: CN201922347658.0U
Authority: CN
Inventors: 赵鸿恩
Original assignee: Henan Yutai High Temperature New Material Technology Co ltd
Current assignee: Henan Yutai High Temperature New Material Technology Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-10-13
Anticipated expiration: 2029-12-24

Abstract

The utility model relates to a resistant firebrick manufacture equipment technical field especially relates to a tunnel kiln, including the kiln, the both ends of kiln are equipped with the kiln door, and the both ends of kiln all are equipped with and are used for the guide rail that leads for the kiln door goes up and down, are equipped with the closing device who is used for compressing tightly kiln door and kiln on the guide rail, and the both ends of kiln still are equipped with the dust excluding hood, and the kiln includes interior kiln and outer kiln, still is equipped with hot air circulating system in the kiln, still is provided with automatic temperature control system on the kiln, the utility model discloses have better heat preservation effect, install hot air circulating system in the tunnel kiln simultaneously, can control the heated air circulation in the kiln, consequently promoted drying rate, improved work efficiency, possessed temperature control system simultaneously, can real-time.

Description

Tunnel kiln

Technical Field

The utility model relates to a resistant firebrick manufacture equipment technical field especially relates to a tunnel cave.

Background

The tunnel kiln is the roasting kiln which is the highest in automation degree at present and is firstly promoted by governments in various regions. The tunnel kiln is generally flat top type, divide into immovable kiln and portable kiln (this kind of kiln is not very ripe at present), portable kiln and immovable kiln theory of operation are basically the same is that the kiln body constantly moves ahead through circular or oval track, the adobe is brought into in the front, the finished product brick is told out behind and is accomplished the calcination process, it is immovable kiln commonly used, the kiln body divide into roasting kiln and drying chamber, utilize waste heat utilization system extraction cooling zone heat to get into the drying chamber and dry the adobe, the adobe of drying chamber passes through the overhead traveling, ferry is brought into the calcination system, this kiln degree of automation is high, the design is advanced can reach whole control and automatic kiln of adorning, intensity of labour has been reduced and a large amount of manpower resources have been saved.

However, the tunnel kiln used at present has some problems more or less, such as that air in the kiln is not circulated, drying efficiency is low, the heat preservation effect of the kiln is poor, waste of heat resources in the kiln is caused, and a temperature control system is lacked, so that the temperature of the kiln cannot be accurately controlled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide a tunnel cave, have better heat preservation effect, install hot air circulating system in the tunnel cave simultaneously, can control heated air circulation in the kiln, consequently promoted drying rate, improved work efficiency, possess temperature control system simultaneously, can real-time control kiln temperature.

The utility model discloses a realize through following technical scheme: the utility model provides a tunnel kiln, includes the kiln, be provided with the track in the kiln, the both ends of kiln are provided with kiln door, its characterized in that: the kiln comprises a kiln body, a kiln door and a kiln, wherein guide rails for guiding the lifting of the kiln door are arranged at two ends of the kiln body, a pressing device for pressing the kiln door and the kiln body is arranged on the guide rails, a beam is arranged at the top end of the guide rails, a hoisting motor for pulling the kiln door to lift is arranged on the beam, dust hoods are further arranged at two ends of the kiln body, the kiln body comprises an inner kiln and an outer kiln, through holes are formed in the side surface of the inner kiln, electric heating pipes are arranged on the part between the inner kiln and the outer kiln, a hot air circulating system is further arranged in the kiln body and comprises a circulating fan arranged on the outer kiln, an air inlet of the circulating fan is connected with an air inlet pipe, the other end of the air inlet pipe penetrates through the outer kiln body and extends to the upper part inside the inner kiln body, an air outlet pipe is connected with an air, the kiln is characterized in that an automatic temperature control system is further arranged on the kiln and comprises a thermocouple arranged at the top of the kiln, the thermocouple is connected with a fuzzy controller through a lead, the fuzzy controller is located outside the kiln and is connected with a PID (proportion integration differentiation) adjusting controller, the PID adjusting controller is connected with a periodic wave controller, and the periodic wave controller is connected with an electric heating pipe.

Furthermore, the kiln door is made into a shell by adopting stainless steel with the thickness of 2mm in a resistance welding mode, and the shell is filled with ceramic fiber cotton for heat preservation.

Further, a high-temperature sealing strip is adopted for sealing between the kiln door and the external kiln.

Furthermore, the inner kiln is made of stainless steel with the thickness of 2mm in a resistance welding mode.

Furthermore, the side wall of the external kiln is internally provided with a heat insulation board which is a rock wool board, a ceramic fiber board and a rock wool board from inside to outside in sequence.

Further, the top of the external kiln and the bottom of the kiln are both filled with ceramic fiber cotton.

Furthermore, the number of the circulating fans is six, and the circulating fans are uniformly distributed on the top of the kiln.

Furthermore, closing device is including fixing the mounting panel on the guide rail, the mounting panel extends to on the kiln door, the part that the mounting panel is located the kiln door still is provided with a through-hole, the screw rod is equipped with in the through-hole interpolation, the handle is still installed to the outer end of screw rod.

The beneficial effects of the utility model reside in that: the utility model discloses use insulation material in a large number, consequently have better heat preservation effect, install hot air circulating system in the tunnel cave simultaneously, can control heated air circulation in the kiln, consequently promoted the drying rate of material in the kiln, improved work efficiency, possessed temperature control system simultaneously, can real time control kiln temperature.

Drawings

Fig. 1 is a front view of embodiment 1 of the present invention;

fig. 2 is a side view of embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a kiln door of embodiment 1 of the present invention;

FIG. 4 is a schematic structural view of an internal kiln of embodiment 1 of the present invention;

fig. 5 is a schematic view of a control system according to embodiment 1 of the present invention;

wherein: the method comprises the following steps of 1-external kiln, 2-internal kiln, 3-compacting device, 31-mounting plate, 32-handle, 4-dust hood, 5-guide rail, 6-kiln door, 7-hoisting motor, 8-circulating fan, 9-air inlet pipe, 10-track, 11-vent hole, 12-thermocouple, 13-fuzzy controller, 14-PID adjusting controller and 15-cycle controller.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

The tunnel kiln shown in the figures 1-5 comprises a kiln, wherein a track 10 is installed at the bottom end in the kiln, a kiln door 6 is installed at each of two ends of the kiln, the kiln door 6 adopts a lifting type kiln door 6, the kiln door 6 adopts 2mm thick stainless steel to form a rectangular shell through welding, a ceramic fiber board is filled in the shell, the kiln comprises an inner kiln 2 and an outer kiln 1, the inner kiln 2 is made of 2mm thick stainless steel through resistance welding, meanwhile, a vent hole 11 is formed in the side surface of the inner kiln 2, a heat insulation board is installed in the side wall of the outer kiln 1, the heat insulation board sequentially comprises a rock wool board, a ceramic fiber board and a rock wool board from inside to outside, an electric heating pipe is further installed between the inner kiln 2 and the outer,

the two ends of the kiln are also provided with guide rails 5 for guiding the kiln door 6 to move up and down, notches matched with the guide rails 5 in shape are processed on the kiln door 6, a pressing device 3 for pressing the kiln door 6 to the kiln is arranged on the guide rails 5, the pressing device 3 comprises a mounting plate 31 fixed on the guide rails 5, the mounting plate 31 extends to the kiln door 6, a through hole is further formed in the part, located on the kiln door 6, of the mounting plate 31, a screw rod is inserted into the through hole, a handle 32 is further arranged at the outer end of the screw rod, when the kiln door 6 is closed, the kiln door 6 can be tightly pressed on the kiln by rotating the handle 32, a high-temperature sealing strip is further arranged between the kiln door 6 and the external kiln 1, the high-temperature sealing strip can prevent heat in the kiln from overflowing from the kiln door 6, the upper ends of the guide rails 5 extend upwards, the height of the guide rails 5 is about 2., install hoisting motor 7 on the crossbeam, hoisting motor 7 passes through the cable wire and is connected with kiln door 6, and dust excluding hood 4 is still installed at the top both ends of outer kiln 1, and dust excluding hood 4 begins work when kiln door 6 is opened, can inhale the purification fast with the smoke and dust in the kiln, reduces the smoke and dust loss in the kiln to a certain extent.

A hot air circulating system is also arranged in the kiln, the hot air circulating system comprises a circulating fan 8 arranged on the outer kiln 1, an air inlet pipe 9 is connected at an air inlet of the circulating fan 8, the other end of the air inlet pipe 9 penetrates through the outer kiln 1 and extends to the upper part inside the inner kiln 2, an air outlet pipe is connected at an air outlet of the circulating fan 8, the other end of the air outlet pipe penetrates through the outer kiln 1 and extends to a position between the outer kiln 1 and the inner kiln 2, the circulating fan 8 sucks gas from the top of the inner kiln 2 during operation and blows the gas out from the position between the inner kiln 2 and the outer kiln 1, so that the gas can complete circulation in the kiln, meanwhile, six circulating fans 8 are arranged to achieve a better circulating effect, the circulating fans 8 are uniformly distributed at the top of the kiln, an automatic temperature control system is also arranged on the kiln and comprises a plurality of thermocouples 12 arranged at the top of the kiln, the thermocouples 12 are, the thermocouple 12 is connected with a fuzzy controller 13 through a lead, the fuzzy controller 13 is positioned outside the kiln, the fuzzy controller 13 is connected with a PID (proportion integration differentiation) regulation controller 14, the PID regulation controller 14 is connected with a periodic controller 15, the periodic controller 15 is connected with the electric heating pipe, the fuzzy controller 13 and the PID regulation controller 14 are arranged through programs edited in advance, accurate control of temperature can be achieved, when the temperature changes, the PID regulation controller 14 sends an instruction to the periodic controller 15, and then the power of the electric heating pipe is controlled to change by the periodic controller 15. Thereby completing the control of the temperature in the kiln.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a tunnel kiln, includes the kiln, be provided with the track in the kiln, the both ends of kiln are provided with kiln door, its characterized in that: the kiln comprises a kiln body, a kiln door and a kiln, wherein guide rails for guiding the lifting of the kiln door are arranged at two ends of the kiln body, a pressing device for pressing the kiln door and the kiln body is arranged on the guide rails, a beam is arranged at the top end of the guide rails, a hoisting motor for pulling the kiln door to lift is arranged on the beam, dust hoods are further arranged at two ends of the kiln body, the kiln body comprises an inner kiln and an outer kiln, through holes are formed in the side surface of the inner kiln, electric heating pipes are arranged on the part between the inner kiln and the outer kiln, a hot air circulating system is further arranged in the kiln body and comprises a circulating fan arranged on the outer kiln, an air inlet of the circulating fan is connected with an air inlet pipe, the other end of the air inlet pipe penetrates through the outer kiln body and extends to the upper part inside the inner kiln body, an air outlet pipe is connected with an air, the kiln is characterized in that an automatic temperature control system is further arranged on the kiln and comprises a thermocouple arranged at the top of the kiln, the thermocouple is connected with a fuzzy controller through a lead, the fuzzy controller is located outside the kiln and is connected with a PID (proportion integration differentiation) adjusting controller, the PID adjusting controller is connected with a periodic wave controller, and the periodic wave controller is connected with an electric heating pipe.

2. The tunnel kiln of claim 1, wherein: the kiln door is made into a shell by adopting stainless steel with the thickness of 2mm in a resistance welding mode, and the shell is filled with ceramic fiber cotton for heat preservation.

3. The tunnel kiln of claim 1, wherein: and a high-temperature sealing strip is adopted between the kiln door and the external kiln for sealing.

4. The tunnel kiln of claim 1, wherein: the inner kiln is made of stainless steel with the thickness of 2mm in a resistance welding mode.

5. The tunnel kiln of claim 1, wherein: the side wall of the external kiln is internally provided with an insulation board which sequentially comprises a rock wool board, a ceramic fiber board and a rock wool board from inside to outside.

6. The tunnel kiln of claim 1, wherein: the top of the external kiln and the bottom of the kiln are both filled with ceramic fiber cotton.

7. The tunnel kiln of claim 1, wherein: the number of the circulating fans is six, and the circulating fans are uniformly distributed on the top of the kiln.

8. The tunnel kiln of claim 1, wherein: the compressing device comprises a mounting plate fixed on the guide rail, the mounting plate extends to the kiln door, a through hole is formed in the part, located on the kiln door, of the mounting plate, a screw rod is inserted into the through hole, and a handle is further installed at the outer end of the screw rod.