CN208475834U - Boarding machine gas hot-air recycles drying system - Google Patents
Boarding machine gas hot-air recycles drying system Download PDFInfo
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- CN208475834U CN208475834U CN201820950409.3U CN201820950409U CN208475834U CN 208475834 U CN208475834 U CN 208475834U CN 201820950409 U CN201820950409 U CN 201820950409U CN 208475834 U CN208475834 U CN 208475834U
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Abstract
The utility model relates to a kind of boarding machine gas hot-airs to recycle drying system, including hot-blast stove, neat gas burner is provided with above the hot-blast stove, hot-blast stove side is provided with air intlet, hot wind furnace bottom is provided with air outlet slit, and the air outlet slit is connected with main smoke pipe, the smoke separating pipe towards boarding machine baking oven is connected on the main smoke pipe, return air supervisor is connected at the air intlet of hot-blast stove, the exhaust ports of boarding machine baking oven are connected with the return air being connected with return air supervisor and are in charge of.The utility model boarding machine gas hot-air recycle drying system structure is simple, windage is low, for thermostabilization, operating flexibility is big, uniformity of temperature profile, it is ensured that can satisfy the requirement of synthetic leather production each process；Directly use natural gas flue gas mixed tail gas that can reduce heat loss in heat supplying process as the mode of heating air, greatly improve the thermal efficiency of system simultaneously, and required equipment is few, process is simple, few to the change of former body structure.
Description
Technical field
The utility model relates to the heat supply process in a kind of synthetic leather production process, and in particular to a kind of boarding machine combustion gas heat
Wind recycles drying system.
Background technique
In synthetic leather production process, reasonable waste heat recycling is not carried out by the air that continuous boarding machine baking oven is discharged, is increased
Add fuel consumption, and causes certain heat loss.
Currently, the heat-supplying mode overwhelming majority that domestic synthetic leather produces and uses is coal-fired thermal oil furnace central heating, in reality
In the heat supplying process of border, hot-air is delivered to baking oven through the air hose of long-distance, causes the hot air temperature into baking oven unstable,
And synthetic leather production is high to the stability requirement of temperature, needs a kind of heat supply process that can be stable.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of structure is simple, for heat-staple boarding machine gas hot-air
Recycle drying system.
The utility model is realized using following scheme: a kind of boarding machine gas hot-air circulation drying system, including hot-blast stove,
It is provided with neat gas burner above the hot-blast stove, hot-blast stove side is provided with air intlet, and hot wind furnace bottom is provided with sky
Gas outlet, the air outlet slit are connected with main smoke pipe, the smoke separating pipe towards boarding machine baking oven, hot wind are connected on the main smoke pipe
Return air supervisor is connected at the air intlet of furnace, the exhaust ports of boarding machine baking oven, which are connected with, is responsible for the return air being connected with return air
It is in charge of.
Further, it is provided with blower on the smoke separating pipe, circulating fan, institute are provided at the air inlet of boarding machine baking oven
It states smoke separating pipe outlet side to be connected with the air inlet of circulating fan, the air inlet phase of the air outlet and boarding machine baking oven of circulating fan
Connection；The fuel gas inlet of neat gas burner is connected with natural gas air inlet pipe.
It further, further include hot-blast furnace temperature regulating system, hot-blast furnace temperature regulating system includes being set to hot-blast stove
Air outlet slit at temperature sensor A, be provided with electric flow control valve, the temperature sensing in the natural gas air inlet pipe
Device is electrically connected with A/D converter, and the A/D converter is electrically connected with the signal input part of PLC controller, the PLC controller
Signal output end is electrically connected with D/A converter, and the D/A converter is electrically connected with frequency converter, the frequency converter and electric flow
The driver electrical connection of stepper motor on control valve.
It further, further include boarding machine oven temperature regulating system, boarding machine oven temperature regulating system includes setting
In being provided with electric flow control valve on the temperature sensor B in boarding machine baking oven, the natural gas air inlet pipe, the temperature is passed
Sensor is electrically connected with A/D converter, and the A/D converter is electrically connected with the signal input part of PLC controller, the PLC control
Device signal output end is electrically connected with D/A converter, and the D/A converter is electrically connected with frequency converter, on the frequency converter and blower
The driver of servo motor is electrically connected.
Compared with prior art, the utility model has the following beneficial effects: the utility model boarding machine gas hot-air follows
Ring drying system structure is simple, windage is low, for thermostabilization, operating flexibility is big, uniformity of temperature profile, it is ensured that can satisfy synthesis
The requirement of leather production each process；Directly use natural gas flue gas mixed tail gas that can supply as the mode of heating air simultaneously
Heat loss is reduced in thermal process, greatly improves the thermal efficiency of system, and required equipment is few, process is simple, to former cabinet
The change of structure is few.
For the purpose of this utility model, technical solution and advantage is more clearly understood, specific embodiment will be passed through below
And relevant drawings, the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the utility model embodiment organigram；
Fig. 2 is the utility model embodiment hot-blast furnace temperature regulating system block diagram；
Fig. 3 is the utility model embodiment boarding machine oven temperature regulating system block diagram；
Figure label explanation: 1- boarding machine baking oven, the air duct 2- flashboard, 3- circulating fan, 4- smoke separating pipe, 5- blower, 6- are returned
Wind is in charge of, 7- return air supervisor, 8- natural gas air inlet pipe, 9- neat gas burner, 10- hot-blast stove, the main smoke pipe of 11-.
Specific embodiment
As shown in Fig. 1 ~ 3, a kind of boarding machine gas hot-air circulation drying system, including hot-blast stove 10, the hot-blast stove 10
Top is provided with neat gas burner 9, and 10 side of hot-blast stove is provided with air intlet, and hot wind furnace bottom is provided with air outlet slit,
The air outlet slit is connected with main smoke pipe 11, and the smoke separating pipe 4 towards boarding machine baking oven 1, hot wind are connected on the main smoke pipe 11
Return air supervisor 7 is connected at the air intlet of furnace 10, the exhaust ports of boarding machine baking oven are connected with to be connected with return air supervisor 7
Return air is in charge of 6；The system be by burning natural gas generate high-temperature flue gas and baking oven return air hybrid cooling to technological temperature after,
Sent by main smoke pipe to smoke separating pipe, then circulating fan inlet be delivered to by smoke separating pipe, finally by circulating fan be sent into baking oven into
The drying course of row synthetic leather, the utility model, without using heat-condutive oil heat exchanger, are not only reduced using new heat-supplying mode
Windage, and heat loss can be reduced in heat supplying process, it directly is used for heat supply using the flue gas of combustion of natural gas, is greatly improved
The thermal efficiency of system, required equipment is few, process is simple, to the change of former body structure few, and simple process, heat supply are steady
Determine, operating flexibility is big, uniformity of temperature profile.
In the present embodiment, it is provided with blower 5 on the smoke separating pipe 4, circulation is provided at the air inlet of boarding machine baking oven 1
Blower 3,4 outlet side of smoke separating pipe are connected with the air inlet of circulating fan 3, and the air outlet and boarding machine of circulating fan 3 dry
The air inlet of case 1 is connected；The fuel gas inlet of neat gas burner 9 is connected with natural gas air inlet pipe 8.
It in the present embodiment, further include hot-blast furnace temperature regulating system, hot-blast furnace temperature regulating system includes being set to heat
Temperature sensor A at the air outlet slit of wind furnace is provided with electric flow control valve, the temperature in the natural gas air inlet pipe
Sensor is electrically connected with A/D converter, and the A/D converter is electrically connected with the signal input part of PLC controller, the PLC control
Device signal output end processed is electrically connected with D/A converter, and the D/A converter is electrically connected with frequency converter, the frequency converter with it is electronic
The driver electrical connection of stepper motor on flow control valve.
It in the present embodiment, further include boarding machine oven temperature regulating system, boarding machine oven temperature regulating system includes
The temperature sensor B being set in boarding machine baking oven is provided with electric flow control valve, the temperature in the natural gas air inlet pipe
Degree sensor is electrically connected with A/D converter, and the A/D converter is electrically connected with the signal input part of PLC controller, the PLC
Controller signal output is electrically connected with D/A converter, and the D/A converter is electrically connected with frequency converter, the frequency converter and wind
The driver electrical connection of servo motor on machine.
Hot-blast furnace temperature adjustment process: temperature sensor A measures the temperature at the air outlet slit of hot-blast stove, by the temperature of measurement
It spends signal and is passed to A/D converter；The A/D converter converts analog signals into digital signal, and be input to PLC controller with
It presets a temperature value in PLC controller to compare, if measurement temperature is greater than the set value, PLC controller exports a letter
Number arrive D/A converter；The D/A converter converts digital signals into analog signal, is inputted analog signal by frequency converter
The driver of stepper motor on electric flow control valve, and then the charge flow rate that electric flow control valve reduces natural gas is controlled,
Reduce the temperature in hot-blast stove；If measuring temperature is less than setting value, PLC controller exports a signal to D/A converter；It is described
D/A converter converts digital signals into analog signal, inputs on electric flow control valve analog signal by frequency converter and walks
Into the driver of motor, and then the charge flow rate that electric flow control valve increases natural gas is controlled, improves the temperature in hot-blast stove.
Boarding machine oven temperature adjustment process: temperature sensor B measures boarding machine oven temperature, and the temperature of measurement is believed
Number incoming A/D converter；The A/D converter converts analog signals into digital signal, and is input to PLC controller and PLC
It presets a temperature value in controller to compare, if measurement temperature is greater than the set value, PLC controller exports a signal and arrives
D/A converter；The D/A converter converts digital signals into analog signal, and analog signal is inputted blower by frequency converter
The driver of upper servo motor, and then the revolving speed of blower is reduced, the input of baking oven hot-air is reduced, and then reduce the temperature in baking oven
Degree；If measuring temperature is less than setting value, PLC controller exports a signal to D/A converter, and the D/A converter will be digital
Signal is converted to analog signal, analog signal is inputted to the driver of servo motor on blower by frequency converter, and then improve wind
The revolving speed of machine increases the input of baking oven hot-air, and then improves the temperature in baking oven.
Above-listed preferred embodiment has been further described the purpose of this utility model, technical solution and advantage,
It should be understood that the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (4)
1. a kind of boarding machine gas hot-air recycles drying system, it is characterised in that: including hot-blast stove, setting above the hot-blast stove
There is neat gas burner, hot-blast stove side is provided with air intlet, and hot wind furnace bottom is provided with air outlet slit, the air outlet slit
It is connected with main smoke pipe, the smoke separating pipe towards boarding machine baking oven is connected on the main smoke pipe, is connected at the air intlet of hot-blast stove
There is return air supervisor, the exhaust ports of boarding machine baking oven are connected with the return air being connected with return air supervisor and are in charge of.
2. boarding machine gas hot-air according to claim 1 recycles drying system, it is characterised in that: set on the smoke separating pipe
It is equipped with blower, circulating fan, the air inlet of the smoke separating pipe outlet side and circulating fan are provided at the air inlet of boarding machine baking oven
Mouth is connected, and the air outlet of circulating fan is connected with the air inlet of boarding machine baking oven；The fuel gas inlet of neat gas burner with
Natural gas air inlet pipe is connected.
3. boarding machine gas hot-air according to claim 2 recycles drying system, it is characterised in that: further include hot wind furnace temperature
Regulating system is spent, hot-blast furnace temperature regulating system includes the temperature sensor A being set at the air outlet slit of hot-blast stove, the day
It is provided with electric flow control valve in right gas air inlet pipe, the temperature sensor is electrically connected with A/D converter, the A/D conversion
Device is electrically connected with the signal input part of PLC controller, and the PLC controller signal output end is electrically connected with D/A converter, described
D/A converter is electrically connected with frequency converter, and the frequency converter is electrically connected with the driver of stepper motor on electric flow control valve.
4. boarding machine gas hot-air according to claim 2 recycles drying system, it is characterised in that: further include that boarding machine dries
Case humidity control system, boarding machine oven temperature regulating system includes the temperature sensor B being set in boarding machine baking oven, described
Electric flow control valve is provided in natural gas air inlet pipe, the temperature sensor is electrically connected with A/D converter, and the A/D turns
Parallel operation is electrically connected with the signal input part of PLC controller, and the PLC controller signal output end is electrically connected with D/A converter, institute
It states D/A converter to be electrically connected with frequency converter, the frequency converter is electrically connected with the driver of servo motor on blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820950409.3U CN208475834U (en) | 2018-06-20 | 2018-06-20 | Boarding machine gas hot-air recycles drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820950409.3U CN208475834U (en) | 2018-06-20 | 2018-06-20 | Boarding machine gas hot-air recycles drying system |
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| Publication Number | Publication Date |
|---|---|
| CN208475834U true CN208475834U (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820950409.3U Active CN208475834U (en) | 2018-06-20 | 2018-06-20 | Boarding machine gas hot-air recycles drying system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800792A (en) * | 2018-06-20 | 2018-11-13 | 福州大学 | Boarding machine gas hot-air recycles drying system and its temprature control method |
| CN113678847A (en) * | 2021-08-30 | 2021-11-23 | 安徽詹氏食品股份有限公司 | Hot air circulation rotary furnace control management system for baking food |
-
2018
- 2018-06-20 CN CN201820950409.3U patent/CN208475834U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800792A (en) * | 2018-06-20 | 2018-11-13 | 福州大学 | Boarding machine gas hot-air recycles drying system and its temprature control method |
| CN113678847A (en) * | 2021-08-30 | 2021-11-23 | 安徽詹氏食品股份有限公司 | Hot air circulation rotary furnace control management system for baking food |
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