CN214039605U - Automatic temperature control dryer utilizing waste heat of tunnel kiln for drying - Google Patents
Automatic temperature control dryer utilizing waste heat of tunnel kiln for drying Download PDFInfo
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- CN214039605U CN214039605U CN202023152664.XU CN202023152664U CN214039605U CN 214039605 U CN214039605 U CN 214039605U CN 202023152664 U CN202023152664 U CN 202023152664U CN 214039605 U CN214039605 U CN 214039605U
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Abstract
The utility model belongs to the technical field of waste heat utilization drying, and discloses an automatic temperature control dryer utilizing waste heat of a tunnel kiln for drying, wherein the tunnel kiln is fixedly arranged at the lower part of an air supply pipe, and the lower part of the air supply pipe is fixedly communicated with the upper part of the kiln tail of the tunnel kiln; the dryer is fixedly arranged at the lower part of the air supply pipeline; the induced draft pipe is fixedly arranged at the upper position of the right side of the dryer; the gate valve is fixedly arranged in the middle of the air supply pipeline; the temperature sensor is fixedly arranged at the right side position of the upper part of the dryer; the temperature controller is fixedly arranged in a control chamber of the dryer; the pressure sensor is fixedly arranged at the right side position of the upper part of the air supply pipeline; the time delay controller is fixedly arranged at the right side position of the upper part of the temperature controller panel. The utility model can effectively save heat source and form temperature difference for drying inside the short dryer; the drying effect of the silicon brick adobe is improved, and the drying quality of the silicon brick adobe is improved.
Description
Technical Field
The utility model belongs to the technical field of the waste heat utilization is dry, concretely relates to utilize dry automatic temperature control desicator of tunnel cave waste heat.
Background
The reason why the silica brick adobe cracks in the drying process is that the drying temperature rises too fast or the heating is uneven, so that excessive steam pressure is caused in the adobe, and the adobe cracks. Therefore, a reasonable temperature rise curve is formulated for drying the silica bricks, and the improvement of the heating uniformity of the silica bricks is an important measure for avoiding the cracking of the green bodies in the drying process of the silica bricks. The tunnel type dryer is mainly used for drying the silicon brick adobe, the tunnel type dryer can form temperature difference which is a temperature field for drying the silicon brick adobe, and meanwhile, the tunnel type dryer is large in capacity of containing the silicon brick adobe, high in drying efficiency of the silicon brick adobe and widely used in the industry.
In actual production, for the company, due to the limitation of space, the length of a dryer for drying the silica brick adobe is not enough, so that the temperature difference for drying the silica brick adobe cannot be formed from hot air entering from the inlet end of the dryer to the dryer, the temperatures of different parts in the dryer are the same, and the improvement of the drying efficiency is not facilitated; meanwhile, in the prior art, hot air input into the dryer is generally formed by adopting special heating equipment, so that waste of a heat source is caused, and environmental protection is not facilitated; the inventor develops an automatic temperature control dryer for drying by using the residual heat of a tunnel kiln based on the defects in the prior art, and can well solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automatic temperature control dryer utilizing residual heat of tunnel kiln for drying, which is simple in design structure, scientific and reasonable, and can effectively save heat source and form temperature difference for drying in the short-length dryer; the utility model discloses a UNICOM is fixed with the tunnel cave to the blast pipe, utilize the waste heat of air supply fan in with the tunnel cave to carry in the desicator, formulate the intensification curve simultaneously in the temperature controller, utilize the temperature in setting up the temperature sensor real time monitoring desicator in the desicator, and the real-time temperature that will detect through temperature sensor and temperature controller intelligence coordinated control, the intake of flashboard valve on the temperature controller automatic control intake stack, according to the intensification curve in the temperature controller, the intensification time in the control desicator, just so can be with the desicator that length is short, through the automatic control to the intake, form the temperature difference in the desicator, heat up the drying to the silica brick.
The utility model adopts the technical proposal that: an automatic temperature control dryer for drying by using waste heat of a tunnel kiln comprises the tunnel kiln, an air supply pipe, an air supply fan, an air supply pipeline and a dryer; the tunnel kiln is fixedly arranged at the lower part of the blast pipe, and the lower part of the blast pipe is fixedly communicated with the upper part of the kiln tail of the tunnel kiln; the air supply fan is fixedly arranged at the right side of the air supply pipe, and the right side of the upper part of the air supply pipe is fixedly connected with an air inlet of the air supply fan; the air supply pipeline is fixedly arranged at the right side position of the air supply fan and is fixedly connected with the exhaust port of the air supply fan; the dryer is fixedly arranged at the lower part of the air supply pipeline, and the air supply pipeline is fixedly communicated with the upper part of the left end of the dryer; the lower part of the induced air pipe is fixedly arranged at the upper part of the right side of the dryer, the right end of the upper part of the induced air pipe is fixedly connected with an air inlet of an induced air fan, and the exhaust pipe is fixedly connected with an air outlet of the induced air fan; the gate valve is fixedly arranged in the middle of the air supply pipeline and is used for automatically controlling the air inlet amount of the air supply pipeline; the temperature sensor is fixedly arranged at the right side position of the upper part of the dryer and is used for detecting the temperature in the dryer in real time; the temperature controller is fixedly arranged in a control chamber of the dryer and is used for setting a temperature rise curve of the silica bricks and automatically controlling the opening and closing degree of the gate valve according to the temperature rise curve and the temperature in the dryer so as to realize automatic control of the air intake quantity of the air supply pipeline; the pressure sensor is fixedly arranged at the right side position of the upper part of the air supply pipeline and is used for detecting the pressure of the air supply pipeline in real time; the time delay controller is fixedly arranged at the right side position of the upper part of the temperature controller panel and is used for automatically controlling the time delay of the opening and closing of the induced draft fan.
And the air supply fan and the induced draft fan are fixedly connected with the temperature controller through connecting wires.
The flashboard valve includes the flashboard, and the flashboard is square or circular shape steel sheet, and the support is fixed to be set up the upper portion intermediate position at the desicator, and electric putter is fixed to be set up on the support, flashboard and electric putter's telescopic link fixed connection, and the flashboard realizes the automatic control to the supply-air duct intake under electric putter telescopic link's flexible promotion.
The temperature sensor is fixedly connected with the temperature controller through a connecting wire, and the temperature controller is fixedly connected with the motor of the electric push rod through a connecting wire.
The pressure sensor is fixedly connected with the temperature controller through a connecting wire, and the temperature controller is fixedly connected with a power supply of the air supply fan through a connecting wire.
And the delay controller is fixedly connected with a control power supply of the induced draft fan through a connecting wire.
The use process of the automatic temperature control dryer for drying by utilizing the residual heat of the tunnel kiln comprises the following steps: when a dryer with short length (due to space limitation) needs to dry silica bricks, firstly, fixedly communicating an air supply pipe with the upper part of the kiln tail of the tunnel kiln; then, according to the drying temperature of the silica bricks, a temperature rising curve is formulated and input into a temperature controller, and an air supply fan and an air induction fan are started to enable the silica bricks to be in an operating state; then the air supply fan conveys the residual heat hot air in the tunnel kiln to the dryer through the air supply pipe and the air supply pipeline, and meanwhile, the temperature controller automatically controls the stretching action of a motor of an electric push rod of the gate valve according to the time and the temperature of the set temperature rise curve, and the opening degree of the gate valve is automatically controlled under the stretching pushing action of a telescopic rod of the electric push rod so as to control the air inlet amount of the air supply pipeline; at the moment, a temperature sensor in the dryer detects the temperature in the dryer in real time, the detected temperature is transmitted to a temperature controller at regular time, when the temperature in the dryer reaches the temperature of the temperature controller according to a set temperature rising curve, the temperature controller controls a motor of an electric push rod to start to act, a telescopic rod of the electric push rod retracts outwards, a flashboard is driven to be drawn outwards, the air inlet amount to the dryer is increased, and the drying temperature in the dryer is increased; when the temperature reaches the tail end of the temperature rise curve after a certain period of continuous temperature rise, the telescopic rod of the electric push rod is automatically controlled by the temperature controller to push the air supply pipeline, the flashboard is completely pushed into the air supply pipeline, the flashboard valve is closed at the moment, the pressure in the air supply pipeline rapidly rises at the moment, when the pressure in the air supply pipeline rises to a set threshold value, the pressure sensor detects a pressure rise signal of the air supply pipeline and transmits the pressure rise signal to the temperature controller, the air supply fan is automatically controlled by the temperature controller to be closed, the air induction fan continues to work at the moment, hot air in the dryer is pumped away, the temperature in the dryer is reduced, finally the air induction fan is controlled by the time delay controller to be automatically closed after continuously running for the time delay set by the time delay controller, and the process is the drying process of the silica bricks.
The tunnel kiln is fixedly arranged at the lower part of the blast pipe, and the lower part of the blast pipe is fixedly communicated with the upper part of the kiln tail of the tunnel kiln; the main purpose of the arrangement is to provide a heat source for drying in the dryer by utilizing the waste heat of the tunnel kiln, so that special heating equipment is not required to be added, the heat source is saved, the heat utilization efficiency is improved, and the environment protection is improved.
The air supply pipeline is fixedly arranged at the right side position of the air supply fan, and the air supply pipeline is fixedly connected with an exhaust port of the air supply fan. The main purpose of setting like this is in utilizing the setting of air supply fan, carry the dryer with the waste heat of tunnel cave through blast pipe and supply-air duct in, improve the temperature in the dryer.
The induced draft pipe is fixedly arranged at the right end of the dryer, and the lower part of the induced draft pipe is fixedly communicated with the upper part of the dryer; the induced draft fan is fixedly arranged at the upper position of the right side of the induced draft pipe, and the exhaust pipe is fixedly arranged at the right side position of the induced draft fan; the main purposes of the arrangement are as follows: on one hand, hot air in the dryer can be pumped out by utilizing an induced draft fan to form circulation; on the other hand, hot air in the dryer is pumped out by the induced draft fan, so that the temperature in the dryer is lowered, and the effect of reducing the temperature in the dryer is achieved.
The gate valve is fixedly arranged in the middle of the air supply pipeline and is used for automatically controlling the air inlet amount of the air supply pipeline; the temperature sensor is fixedly arranged at the upper position of the right side of the dryer and used for sensing and detecting the temperature in the dryer in real time; the temperature controller is fixedly arranged in the dryer control chamber; the gate valve includes the flashboard, and the flashboard is square or circular shape steel sheet, and the support is fixed to be set up the upper portion intermediate position at the desicator, and electric putter is fixed to be set up on the support, flashboard and electric putter's telescopic link fixed connection. The main purposes of this arrangement are: the temperature controller automatically controls the motor of the electric push rod of the gate valve to stretch and retract according to the time and the temperature of the established temperature rise curve, and automatically controls the opening and closing degree of the gate valve under the stretching and retracting pushing of the telescopic rod of the electric push rod so as to control the air inlet amount of the air supply pipeline; the temperature difference is formed in the dryer, and a temperature field for drying the silica bricks is formed at the same time, so that the drying effect on the silica bricks is improved.
The temperature sensor is fixedly connected with the temperature controller through a connecting wire, and the temperature controller is fixedly connected with the motor of the electric push rod through a connecting wire. The main purpose that sets up like this is through temperature sensor with the real-time temperature that detects and temperature controller intelligence coordinated control, realizes the automatic control to electric putter to realized the automatic control to flashboard in the slide valve, realized the automatic control to the supply air duct amount of wind at last.
The pressure sensor is fixedly connected with the temperature controller through a connecting wire, and the temperature controller is fixedly connected with a power supply of the air supply fan through a connecting wire. The main purposes of this arrangement are: when the flashboard is completely pushed into the air supply pipeline, the flashboard valve is closed at the moment, the pressure in the air supply pipeline rapidly rises at the moment, when the pressure in the air supply pipeline rises to a set threshold value, the pressure sensor detects a pressure rising signal of the air supply pipeline, the pressure rising signal is transmitted to the temperature controller, and the air supply fan is automatically controlled by the temperature controller to be closed.
And the delay controller is fixedly connected with a control power supply of the induced draft fan through a connecting wire. The main purposes of this arrangement are: a certain delay control time is set through the delay controller, and when the induced draft fan works for a period of time, the temperature in the dryer is lowered, and then the induced draft fan is automatically controlled to be closed through the delay controller.
The utility model has the advantages that: the utility model provides an automatic temperature control dryer utilizing the residual heat of a tunnel kiln for drying, which has simple design structure, is scientific and reasonable, effectively saves heat sources, and simultaneously ensures that the inside of a dryer with short length forms temperature difference for drying; the drying effect of the silicon brick adobe is improved, and the drying quality of the silicon brick adobe is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
the labels in the figure are: 1. the device comprises a tunnel kiln, 2, an air supply pipe, 3, an air supply fan, 4, an air supply pipeline, 5, a dryer, 6, an induced draft pipe, 7, an induced draft fan, 8, an exhaust pipe, 9, a gate valve, 91, a gate, 92, a support, 93, an electric push rod, 10, a temperature sensor, 11, a temperature controller, 12, a pressure sensor, 13 and a time delay controller.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in the figure, the automatic temperature control dryer for drying by using the residual heat of the tunnel kiln comprises a tunnel kiln 1, an air supply pipe 2, an air supply fan 3, an air supply pipeline 4 and a dryer 5; the tunnel kiln 1 is fixedly arranged at the lower part of the blast pipe 2, and the lower part of the blast pipe 2 is fixedly communicated with the upper part of the kiln tail of the tunnel kiln 1; the air supply fan 3 is fixedly arranged at the right side of the air supply pipe 2, and the right side of the upper part of the air supply pipe 2 is fixedly connected with an air inlet of the air supply fan 3; the air supply pipeline 4 is fixedly arranged at the right side position of the air supply fan 3, and the air supply pipeline 4 is fixedly connected with an exhaust port of the air supply fan 3; the dryer 5 is fixedly arranged at the lower part of the air supply pipeline 4, and the air supply pipeline 4 is fixedly communicated with the upper part of the left end of the dryer 5; the lower part of the induced air pipe 6 is fixedly arranged at the upper part of the right side of the dryer 5, the right end of the upper part of the induced air pipe 6 is fixedly connected with an air inlet of an induced air fan 7, and the exhaust pipe 8 is fixedly connected with an air outlet of the induced air fan 7; the gate valve 9 is fixedly arranged in the middle of the air supply pipeline 4, and the gate valve 9 is used for automatically controlling the air inlet amount of the air supply pipeline 4; the temperature sensor 10 is fixedly arranged at the right side position of the upper part of the dryer 5, and the temperature sensor 10 is used for detecting the temperature in the dryer 5 in real time; the temperature controller 11 is fixedly arranged in the control chamber of the dryer 5, the temperature controller 11 is used for setting a heating curve of the silica bricks, and automatically controlling the opening and closing degree of the gate valve 9 according to the heating curve and the temperature in the dryer 5, so as to realize the automatic control of the hot air inlet amount of the air supply pipeline 4; the pressure sensor 12 is fixedly arranged at the right side position of the upper part of the air supply pipeline 4, and the pressure sensor 12 is used for detecting the pressure of the air supply pipeline 4 in real time; the delay controller 13 is fixedly arranged at the right side position of the upper part of the panel of the temperature controller 11, and the delay controller 13 is used for automatically controlling the delay of the opening and closing of the induced draft fan 7.
And the air supply fan 3 and the induced draft fan 7 are fixedly connected with the temperature controller 11 through connecting wires.
The gate valve 9 comprises a gate plate 91, the gate plate 91 is a square or round steel plate, a support 92 is fixedly arranged at the middle position of the upper part of the dryer 5, an electric push rod 93 is fixedly arranged on the support 92, the gate plate 91 is fixedly connected with an expansion link of the electric push rod 93, and the gate plate 91 realizes automatic control of the air inlet amount of the air supply pipeline 4 under the telescopic pushing of the expansion link of the electric push rod 93.
The temperature sensor 10 is fixedly connected with the temperature controller 11 through a connecting wire, and the temperature controller 11 is fixedly connected with the motor of the electric push rod 93 through a connecting wire.
The pressure sensor 12 is fixedly connected with the temperature controller 11 through a connecting wire, and the temperature controller 11 is fixedly connected with a power supply of the air supply fan 3 through a connecting wire.
And the delay controller 13 is fixedly connected with a control power supply of the induced draft fan 7 through a connecting wire.
The use process of the automatic temperature control dryer for drying by utilizing the residual heat of the tunnel kiln comprises the following steps: when the dryer 4 with short length (due to space limitation) needs to dry silica bricks, firstly, the blast pipe 2 is fixedly communicated with the upper part of the kiln tail of the tunnel kiln 1; then, a temperature rise curve is formulated according to the drying temperature of the silica bricks, the temperature rise curve is input into a temperature control instrument 11, and the air supply fan 3 and the air inducing fan 7 are started to be in an operating state; then, the air supply fan 3 conveys the residual heat hot air in the tunnel kiln 1 into the dryer 5 through the air supply pipe 2 and the air supply pipeline 4, and meanwhile, the temperature controller 11 automatically controls the motor stretching action of the electric push rod 93 of the gate valve 9 according to the time and the temperature of the established temperature rise curve, and automatically controls the opening degree of the gate valve 91 of the gate valve 9 under the stretching and retracting pushing of the telescopic rod of the electric push rod 93 so as to control the air inlet amount of the air supply pipeline 4; at the moment, the temperature sensor 10 in the dryer 5 detects the temperature in the dryer 5 in real time, and transmits the detected temperature to the temperature controller 11 at regular time, when the temperature in the dryer 5 reaches the temperature of the temperature controller 11 according to the set temperature-rising curve, the temperature controller 11 controls the motor of the electric push rod 93 to start to act, so that the telescopic rod of the electric push rod 93 retracts outwards, the gate plate 91 is driven to be drawn outwards, the air inlet amount to the dryer 5 is increased, and the drying temperature in the dryer 5 is increased; when the temperature reaches the end of the temperature rise curve after a certain period of continuous temperature rise, the temperature controller 11 automatically controls the telescopic rod of the electric push rod 93 to push the air supply pipeline 4, the gate plate 91 is completely pushed into the air supply pipeline 4, the gate valve 9 is closed at the moment, the pressure in the air supply pipeline 4 is rapidly increased at the moment, when the pressure in the supply air duct 4 rises by a set threshold value, the pressure sensor 12 detects a pressure rise signal to the supply air duct 4, meanwhile, the air is transmitted to the temperature controller 11, the air supply fan 2 is automatically controlled to be closed by the temperature controller 11, the induced air fan 7 continues to work at the moment, hot air in the dryer 5 is pumped away, the temperature in the dryer 5 is reduced, finally, the induced air fan 7 continues to run for the delay time set by the delay controller 13, the time delay controller 13 controls the induced draft fan 7 to be automatically closed in a time delay manner, and the process is the drying process of the silica bricks.
Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. An automatic temperature control dryer for drying by using waste heat of a tunnel kiln comprises the tunnel kiln, an air supply pipe, an air supply fan, an air supply pipeline and a dryer; the method is characterized in that: the tunnel kiln is fixedly arranged at the lower part of the blast pipe, and the lower part of the blast pipe is fixedly communicated with the upper part of the kiln tail of the tunnel kiln; the air supply fan is fixedly arranged at the right side of the air supply pipe, and the right side of the upper part of the air supply pipe is fixedly connected with an air inlet of the air supply fan; the air supply pipeline is fixedly arranged at the right side position of the air supply fan and is fixedly connected with the exhaust port of the air supply fan; the dryer is fixedly arranged at the lower part of the air supply pipeline, and the air supply pipeline is fixedly communicated with the upper part of the left end of the dryer; the lower part of the induced air pipe is fixedly arranged at the upper part of the right side of the dryer, the right end of the upper part of the induced air pipe is fixedly connected with an air inlet of an induced air fan, and the exhaust pipe is fixedly connected with an air outlet of the induced air fan; the gate valve is fixedly arranged in the middle of the air supply pipeline and is used for automatically controlling the air inlet amount of the air supply pipeline; the temperature sensor is fixedly arranged at the right side position of the upper part of the dryer and used for detecting the temperature in the dryer in real time, the temperature sensor is fixedly connected with the temperature controller through a connecting wire, and the temperature controller is fixedly connected with a motor of the electric push rod through a connecting wire; the temperature controller is fixedly arranged in a control chamber of the dryer and is used for setting a temperature rise curve of the silica bricks and automatically controlling the opening and closing degree of the gate valve according to the temperature rise curve and the temperature in the dryer so as to realize automatic control of the air intake quantity of the air supply pipeline; the pressure sensor is fixedly arranged at the right side position of the upper part of the air supply pipeline and is used for detecting the pressure of the air supply pipeline in real time, the pressure sensor is fixedly connected with the temperature controller through a connecting wire, and the temperature controller is fixedly connected with a power supply of the air supply fan through a connecting wire; the time delay controller is fixedly arranged at the right side position of the upper part of the temperature controller panel, the time delay controller is used for automatically controlling the time delay of the opening and closing of the induced draft fan, and the time delay controller is fixedly connected with a control power supply of the induced draft fan through a connecting wire.
2. The automatic temperature control dryer for drying by using the residual heat of the tunnel kiln as claimed in claim 1, wherein: the air supply fan and the induced draft fan are fixedly connected with the temperature controller through connecting wires.
3. The automatic temperature control dryer for drying by using the residual heat of the tunnel kiln as claimed in claim 1, wherein: the flashboard valve includes the flashboard, and the flashboard is square or circular shape steel sheet, and the support is fixed to be set up the upper portion intermediate position at the desicator, and electric putter is fixed to be set up on the support, flashboard and electric putter's telescopic link fixed connection, and the flashboard realizes the automatic control to the supply-air duct intake under electric putter telescopic link's flexible promotion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023152664.XU CN214039605U (en) | 2020-12-24 | 2020-12-24 | Automatic temperature control dryer utilizing waste heat of tunnel kiln for drying |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023152664.XU CN214039605U (en) | 2020-12-24 | 2020-12-24 | Automatic temperature control dryer utilizing waste heat of tunnel kiln for drying |
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| CN214039605U true CN214039605U (en) | 2021-08-24 |
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| CN202023152664.XU Active CN214039605U (en) | 2020-12-24 | 2020-12-24 | Automatic temperature control dryer utilizing waste heat of tunnel kiln for drying |
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