CN205002563U - Terminal heating system of built -in synthetic leather lean - Google Patents
Terminal heating system of built -in synthetic leather lean Download PDFInfo
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- CN205002563U CN205002563U CN201520760662.9U CN201520760662U CN205002563U CN 205002563 U CN205002563 U CN 205002563U CN 201520760662 U CN201520760662 U CN 201520760662U CN 205002563 U CN205002563 U CN 205002563U
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Abstract
The utility model provides a terminal heating system of built -in synthetic leather lean, this system include that natural gas flue gas takes place room, natural gas combustor, hot -air and divides equally pipe, incasement circulation guide duct, air preheater and temperature evenly distributed automatic control system, the export of natural gas combustor connects natural flue gas to take place the entrance side of room, the hot -air is equallyd divide the pipe and is fixed in natural gas flue gas emergence room, and its hot -fluid entrance side communicates the flue gas exit channel who takes place the room in natural gas flue gas, the pipe is equallyd divide to two entry intercommunication hot -airs about incasement circulation guide duct to use frequency conversion circulating fan as power device, the box of discharging behind the product of the required drying of hot -air contact of incasement circulation guide duct outlet side in the junction, the export of box tail gas is connected to air preheater hot -fluid side entrance, the cold flow side is new air, and exit linkage natural gas flue gas takes place the air inlet side of room. The utility model discloses need not to use the heat exchanger, not only reduced the windage, and can reduce the heat loss at the heat supply in -process.
Description
Technical field
The utility model relates to combustion of natural gas and burner application, particularly a kind of heat supply process being applicable to even distribution heating in synthetic leather production process, high operating flexibility.
Background technology
Some production technologies of synthetic leather do not have inflammable and explosive solvent volatilization, such as wet process technique, after washing step, synthetic leather is water in the baking operation solvent overwhelming majority, can not burn and not exist and blast because reaching explosion limit, so lower in the production technology having inflammable and explosive solvent to volatilize at security requirement grade ratio to drying medium.
At present, the heat-supplying mode overwhelming majority of domestic synthetic leather production and application is coal-fired thermal oil furnace central heating, natural gas heat supply process about synthetic leather also has Patents, but in actual transformation process, equipment is many, operation is many, change is large, the transformation cycle is long, large on original equipment impact, be difficult to recover.Key is that, in actual heat supplying process, hot-air enters baking oven from the one-sided of casing, causes hot-air skewness after entering baking oven, and synthetic leather is produced and required high to temperature both sides distribution consistency degree, needs one can heat supply process uniformly; Key is in actual heat supplying process, and hot-air windage after many equipment will become greatly, and the circulation device for air of original system cannot normally run, and therefore needs the heat supply process of low windage.
Summary of the invention
The purpose of this utility model is to complicated, loaded down with trivial details, high cost, inefficient synthetic leather heating system simply, fast and effectively be transformed, and transformation low price, material therefor equipment is all conventional equipment, and the air draft caused because windage becomes large after transformation before solving is smooth, temperature skewness and cause the problem normally cannot producing synthetic leather.
The technical scheme solved the problem of the present utility model is as follows: a kind of built-in synthetic leather lean end heating system, is characterized in that: comprise casing, natural gas flue gas generation chamber, natural gas combustion engine, hot-air divide equally conduit, case Inner eycle guide duct, air preheater and homogeneous temperature distribution automatic control system; The outlet of described natural gas combustion engine connects the entrance side of natural flue gas generation chamber; Described hot-air is divided equally conduit and is fixed on natural gas flue gas generation chamber, and its thermal fluid inlet side is communicated in the exhanst gas outlet passage of natural gas flue gas generation chamber; Described natural gas flue gas generation chamber and case Inner eycle guide duct are arranged in casing, about described case Inner eycle guide duct, two entrances are communicated with hot-air and divide equally conduit, and use frequency conversion circulating fan as power set in junction, discharge casing after the required dry product of hot air of case Inner eycle guide duct outlet side; Air preheater hot fluid side entrance connect box offgas outlet; Cold flow side is new air, and outlet connects the air intake side of natural gas flue gas generation chamber.
In the utility model one embodiment, described homogeneous temperature distribution automatic control system comprises the first temperature sensor, the second temperature sensor, PLC, the first frequency converter, the second frequency converter, the first D/A converter, the second D/A converter, the first A/D converter and the second A/D converter; Described first temperature sensor is installed on described case Inner eycle guide duct left side outlet place, for obtaining the temperature of described case Inner eycle guide duct left side outlet; The information of acquisition is sent to PLC through the first D/A converter by described first temperature sensor; PLC differentiates and sends control signal be sent to the first frequency converter through the first A/D converter, circulating fan described in the first Frequency Converter Control to the information received; Described second temperature sensor is installed on described case Inner eycle guide duct right-side outlet place, for obtaining the temperature of described case Inner eycle guide duct right-side outlet; The information of acquisition is sent to PLC through the second D/A converter by described second temperature sensor; PLC differentiates and sends control signal be sent to the second frequency converter through the second A/D converter, circulating fan described in the second Frequency Converter Control to the information received.
In the utility model one embodiment, the heat exchange area of described air preheater and natural flue gas generation chamber, calculates according to the air quantity of required hot-air, temperature, the consumption of natural gas, the exhaust temperature of casing tail gas, to determine its size and size.
In the utility model one embodiment, connect between each equipment with square air channel, each airduct and each equipment all do adiabatic Insulation.
Compared with prior art, the utility model has the advantage of: this synthetic leather lean end heat supply process can fast in synthetic leather production process the heat-supplying mode of casing transform, structure simple novel, windage is low, uniformity of temperature profile, automation temperature control; Meanwhile, directly use natural gas flue gas to mix new air as the mode adding hot-air, effectively raise the service efficiency of natural gas; Evenly and operate elastomeric heat-supplying mode and ensure that and can meet the requirement that each operation produced by synthetic leather; Without the need to using heat exchanger, not only reduce windage, and heat loss can be reduced in heat supplying process; In transformation process, few, the operation of equipment needed thereby is simple, few to the change of former body structure.This heat supply process technique is simple, confession is thermally-stabilised, operating flexibility large, uniformity of temperature profile; Effectively, encourage the coal-fired thermal oil furnace central heating of synthetic leather industry Central Plains efficiently and transform the lean end heat supply process using natural gas as fuel as.
Accompanying drawing explanation
The equipment connection schematic diagram of the protected against explosion synthetic leather lean end heat supply process that Fig. 1 provides for the utility model.
Fig. 2 is the system block diagram of the utility model homogeneous temperature distribution automatic control system.
[label declaration] 1-offgas outlet, 2-natural gas flue gas generation chamber, 3-hot-air divides equally conduit, 4-circulating fan, 5-case Inner eycle guide duct, 6a, b-frequency converter, 7a, b-A/D converter, 8-PLC, 9a, b-temperature sensor, 10a, b-D/A converter, 11-natural gas combustion engine, 12-air preheater.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
The technical scheme solved the problem of the present utility model is as follows: a kind of built-in synthetic leather lean end heating system, comprises casing, natural gas flue gas generation chamber 2, natural gas combustion engine 11, hot-air divide equally conduit 3, case Inner eycle guide duct 5, air preheater 12 and homogeneous temperature distribution automatic control system; The outlet of described natural gas combustion engine 11 connects the entrance side of natural flue gas generation chamber 2; Described hot-air is divided equally conduit 3 and is fixed on natural gas flue gas generation chamber 2, and its thermal fluid inlet side is communicated in the exhanst gas outlet passage of natural gas flue gas generation chamber 2; Described natural gas flue gas generation chamber 2 and case Inner eycle guide duct 5 are arranged in casing, described case Inner eycle guide duct about 5 two entrances are communicated with hot-air and divide equally conduit 3, and use frequency conversion circulating fan 4 as power set in junction, discharge casing after the required dry product of hot air of case Inner eycle guide duct outlet side; Air preheater hot fluid side entrance connect box offgas outlet 1; Cold flow side is new air, and outlet connects the air intake side of natural gas flue gas generation chamber 2.
Concrete equipment connection schematic diagram is see Fig. 1.
In the utility model one embodiment, described homogeneous temperature distribution automatic control system comprises the first temperature sensor 9a, the second temperature sensor 9b, PLC, the first frequency converter 6a, the second frequency converter 6b, the first D/A converter 10a, the second D/A converter 10b, the first A/D converter 7a and the second A/D converter 7b; Described first temperature sensor 9a is installed on described case Inner eycle guide duct 5 left side outlet place, for obtaining the temperature of described case Inner eycle guide duct 5 left side outlet; The information of acquisition is sent to PLC8 through the first D/A converter 10a by described first temperature sensor 9a; PLC8 differentiates and sends control signal and be sent to the first frequency converter 6a to the information received through the first A/D converter 7a, and the first frequency converter 6a controls described circulating fan 4; Described second temperature sensor 9b is installed on described case Inner eycle guide duct 5 right-side outlet place, for obtaining the temperature of described case Inner eycle guide duct 5 right-side outlet; The information of acquisition is sent to PLC8 through the second D/A converter 10b by described second temperature sensor 9b; PLC8 differentiates and sends control signal and be sent to the second frequency converter 6b to the information received through the second A/D converter 7b, and the second frequency converter 6b controls described circulating fan 4.System block diagram is see Fig. 2.
In the utility model one embodiment, the heat exchange area of described air preheater 12 and natural flue gas generation chamber 2, calculates according to the air quantity of required hot-air, temperature, the consumption of natural gas, the exhaust temperature of casing tail gas, to determine its size and size.
In the utility model one embodiment, connect between each equipment with square air channel, each airduct and each equipment all do adiabatic Insulation.
Understand further for making those skilled in the art, below the method for work of this system is briefly set forth, the method comprises the following steps: step S1: run described system, after the high-temperature flue gas of gas-firing generation and ozone hybrid cooling to technological temperature, divide equally conduit by hot-air and be delivered to case Inner eycle guide duct uniformly, utilize the required dry product of the heated air drying of case Inner eycle guide duct outlet side; Step S2: the temperature of first, second temperature sensor measurement case Inner eycle heat pipe arranged on left and right sides outlet heat outputting air, temperature signal is imported respectively into first, second respective A/D converter simultaneously, analog signal is converted to data signal by first, second A/D converter, and is input to PLC; Step S3: if the left and right sides outlet air themperature with setting technological temperature deviation exceed ± 2 DEG C, then PLC by output signal to first, second D/A converter, data signal is converted to analog signal, control the electric machine frequency that first, second frequency converter reduces or increases circulating fan respectively, reduce or increase the hot-air of the left and right sides, make the homogeneous temperature distribution of the hot-air left and right sides.
In sum; the above-listed preferred embodiment that the utility model provides; the purpose of this utility model, technical scheme and advantage are further described; be understood that; the foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a built-in synthetic leather lean end heating system, is characterized in that: comprise casing, natural gas flue gas generation chamber, natural gas combustion engine, hot-air divide equally conduit, case Inner eycle guide duct, air preheater and homogeneous temperature distribution automatic control system;
The outlet of described natural gas combustion engine connects the entrance side of natural flue gas generation chamber;
Described hot-air is divided equally conduit and is fixed on natural gas flue gas generation chamber, and its thermal fluid inlet side is communicated in the exhanst gas outlet passage of natural gas flue gas generation chamber;
Described natural gas flue gas generation chamber and case Inner eycle guide duct are arranged in casing, about described case Inner eycle guide duct, two entrances are communicated with hot-air and divide equally conduit, and use frequency conversion circulating fan as power set in junction, discharge casing after the required dry product of hot air of case Inner eycle guide duct outlet side;
Air preheater hot fluid side entrance connect box offgas outlet; Cold flow side is new air, and outlet connects the air intake side of natural gas flue gas generation chamber.
2. built-in synthetic leather lean end heating system according to claim 1, is characterized in that: described homogeneous temperature distribution automatic control system comprises the first temperature sensor, the second temperature sensor, PLC, the first frequency converter, the second frequency converter, the first D/A converter, the second D/A converter, the first A/D converter and the second A/D converter;
Described first temperature sensor is installed on described case Inner eycle guide duct left side outlet place, for obtaining the temperature of described case Inner eycle guide duct left side outlet; The information of acquisition is sent to PLC through the first D/A converter by described first temperature sensor; PLC differentiates and sends control signal be sent to the first frequency converter through the first A/D converter, circulating fan described in the first Frequency Converter Control to the information received;
Described second temperature sensor is installed on described case Inner eycle guide duct right-side outlet place, for obtaining the temperature of described case Inner eycle guide duct right-side outlet; The information of acquisition is sent to PLC through the second D/A converter by described second temperature sensor; PLC differentiates and sends control signal be sent to the second frequency converter through the second A/D converter, circulating fan described in the second Frequency Converter Control to the information received.
3. built-in synthetic leather lean end heating system according to claim 1, it is characterized in that: the heat exchange area of described air preheater and natural flue gas generation chamber, calculate according to the air quantity of required hot-air, temperature, the consumption of natural gas, the exhaust temperature of casing tail gas, to determine its size and size.
4. built-in synthetic leather lean end heating system according to claim 1, it is characterized in that: connect with square air channel between each equipment, each airduct and each equipment all do adiabatic Insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520760662.9U CN205002563U (en) | 2015-09-29 | 2015-09-29 | Terminal heating system of built -in synthetic leather lean |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520760662.9U CN205002563U (en) | 2015-09-29 | 2015-09-29 | Terminal heating system of built -in synthetic leather lean |
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| Publication Number | Publication Date |
|---|---|
| CN205002563U true CN205002563U (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520760662.9U Withdrawn - After Issue CN205002563U (en) | 2015-09-29 | 2015-09-29 | Terminal heating system of built -in synthetic leather lean |
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| CN (1) | CN205002563U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135865A (en) * | 2015-09-29 | 2015-12-09 | 福州大学 | Built-in synthetic leather lean tail end heat supply system and method |
| CN106066120A (en) * | 2016-07-22 | 2016-11-02 | 山东红阳耐火保温材料股份有限公司 | Ultra-large type environment-friendly high-efficiency energy-saving drying baker |
-
2015
- 2015-09-29 CN CN201520760662.9U patent/CN205002563U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135865A (en) * | 2015-09-29 | 2015-12-09 | 福州大学 | Built-in synthetic leather lean tail end heat supply system and method |
| CN105135865B (en) * | 2015-09-29 | 2017-12-05 | 福州大学 | A kind of built-in synthetic leather lean end heating system and method |
| CN106066120A (en) * | 2016-07-22 | 2016-11-02 | 山东红阳耐火保温材料股份有限公司 | Ultra-large type environment-friendly high-efficiency energy-saving drying baker |
| CN106066120B (en) * | 2016-07-22 | 2018-09-21 | 山东红阳高温节能材料股份有限公司 | Ultra-large type environment-friendly high-efficiency energy-saving drying box |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160127 Effective date of abandoning: 20171205 |