CN112254544A - Method for improving thermal efficiency of industrial furnace based on alcohol-based clean fuel - Google Patents

Method for improving thermal efficiency of industrial furnace based on alcohol-based clean fuel Download PDF

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Publication number
CN112254544A
CN112254544A CN202010965996.5A CN202010965996A CN112254544A CN 112254544 A CN112254544 A CN 112254544A CN 202010965996 A CN202010965996 A CN 202010965996A CN 112254544 A CN112254544 A CN 112254544A
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CN
China
Prior art keywords
industrial furnace
alcohol
heat
clean fuel
combustion chamber
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Pending
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CN202010965996.5A
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Chinese (zh)
Inventor
胡锐智
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Shenzhen Gui Source Energy Ltd
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Shenzhen Gui Source Energy Ltd
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Priority to CN202010965996.5A priority Critical patent/CN112254544A/en
Publication of CN112254544A publication Critical patent/CN112254544A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00Subject matter not provided for in other groups of this subclass
    • F27D99/0001Heating elements or systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00Arrangements of controlling devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00Arrangements of controlling devices
    • F27D2019/0028Regulation
    • F27D2019/0034Regulation through control of a heating quantity such as fuel, oxidant or intensity of current
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/10Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143Reduction of greenhouse gas [GHG] emissions of methane [CH4]

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Abstract

The invention discloses a method for improving the heat efficiency of an industrial furnace based on alcohol-based clean fuel, which comprises the following steps: preparation of raw materials, alcohol group clean fuel, heat transfer equipment, oxygenation equipment, detecting system subassembly, control valve and feedback element that need use when preparing industrial furnace kiln burning heating, the transformation of industrial furnace kiln accomplishes the back at step S1, reforms transform industrial furnace kiln, makes its combustion chamber and heating chamber not directly link to each other, but through sending the transfer of heat transfer equipment to connect, is connected oxygenation equipment to the combustion chamber. The invention has the beneficial effects that: the heating chamber is separated from the combustion chamber, heat can not be directly transmitted, operation flexibility is improved, the heat transfer equipment is adopted at the same time, the tail end of the heat transfer equipment is uniformly connected with the heating chamber, heat transfer efficiency and uniformity can be guaranteed, the oxygen increasing equipment is adopted, the detection system assembly is matched for use, heat numerical values can be detected in real time, adjustment is facilitated, and using effect is improved.

Description

Method for improving thermal efficiency of industrial furnace based on alcohol-based clean fuel
Technical Field
The invention relates to the field of industrial kilns, in particular to a method for improving heat efficiency of an industrial kiln based on alcohol-based clean fuel.
Background
At present, the industrial fields of smelting, roasting, melting, heating and the like all need to use an industrial furnace to carry out hot working or heat treatment on products. Industrial kilns are industrial kilns which can be divided into two types according to the thermal regulation: one type is an intermittent kiln which is also called a periodic kiln and is characterized in that the kiln is intermittently produced, and the temperature of the kiln is changed in each heating period, such as a chamber kiln, a trolley type kiln, a well type kiln and the like; the second type is a continuous kiln, which is characterized in that the kiln is used for continuous production, and temperature sections are divided in a kiln chamber. The temperature of each section is not changed in the heating process, and the workpieces gradually enter a high-temperature heating zone from a low-temperature preheating zone, such as a continuous heating kiln, a heat treatment kiln, an annular kiln, a stepping kiln, a vibrating-bottom kiln and the like; in the existing industrial furnace, the heat efficiency is general when in use, the use effect is poor, the hot combustion conversion rate is low, and certain limitation exists when in use.
Disclosure of Invention
The invention mainly aims to provide a method for improving the thermal efficiency of an industrial furnace based on alcohol-based clean fuel, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a method for improving thermal efficiency of an industrial furnace based on alcohol-based clean fuel comprises the following steps:
s1, preparing raw materials, namely preparing alcohol-based clean fuel, heat delivery equipment, oxygen increasing equipment, a detection system component, a control valve and a feedback element which are required to be used when the industrial furnace is combusted and heated;
s2, transforming the industrial furnace, namely transforming the industrial furnace after the step S1 is completed to ensure that a combustion chamber and a heating chamber are not directly connected, but are in transfer connection through heat transfer equipment, and oxygen increasing equipment is connected to the combustion chamber;
s3, installing a detection system assembly, a control valve and a feedback element, connecting the detection system assembly to the combustion chamber after the step S2 is completed, installing and fixing the feedback element, connecting the feedback element with the detection system assembly, and connecting the control valve to the oxygen increasing equipment;
s4, detecting after modification, and after the step S3 is finished, detecting and debugging each modification position by using a detection device, recording detection and debugging results and analyzing and processing the detection and debugging results;
s5, correcting after modification, after the step S4 is completed, correcting the problem position of the first modification, and detecting again after correction until the detection result is normal and can be put into use;
s6, starting combustion, adding the alcohol-based fuel into the combustion chamber to start combustion after the modified industrial furnace kiln can be put into use, and simultaneously adding oxygen into the combustion chamber by the operation of the oxygen increasing equipment to generate a large amount of heat by the combustion of the alcohol-based fuel;
s7, heat is delivered, and at the same time of the step S6, the heat delivery device is started, the heat delivery device delivers the heat generated in the combustion chamber into the heating chamber, and the heat is used for heating and baking the workpiece and the object in the heating chamber;
s8, detecting the operation of the system component, wherein when the prefabricated part is baked, the system component starts to measure the temperature in the heating chamber and the combustion chamber and simultaneously detects the input quantity of the alcohol-based clean fuel, the measurement result is fed back through a feedback element, a central processing unit in the detection system analyzes and processes the received information fed back by the feedback element, and sends an instruction after the processing is finished, the instruction is sent to a control valve at the oxygen increasing equipment, the control valve is opened and closed to control the operation of the oxygen increasing equipment, and the oxygen increasing equipment changes the oxygen increasing quantity;
s9, after the combustion is finished, stopping conveying and burning of the alcohol-based clean fuel in the combustion furnace after a period of time, and stopping corresponding oxygen increasing equipment, heat sending equipment and the like to wait for natural cooling or air cooling of the industrial furnace;
and S10, taking out the product, taking out the baked and molded product by a worker after the step S9 is finished, and carrying out quality inspection and packaging on the product, wherein the whole industrial furnace is used up.
Preferably, in step S1, the alcohol-based clean fuel is a liquid fuel, which includes methanol gasoline, methanol diesel oil, ethanol fuel, and butanol fuel.
Preferably, in step S1, the detecting system includes a temperature detector, a flow detector, an image collector, a central processing unit and a memory.
Preferably, in step S2, when the industrial furnace is modified, the combustion chamber is separated from the heating chamber, the heat transfer device is disposed in the middle of the combustion chamber, the heat transfer device is respectively connected to the combustion chamber and the heating chamber, and the heat transfer ends are uniformly distributed in the heating chamber.
Preferably, in step S4, the modified industrial furnace is detected, and the detection items include stability of pipe connection, pipe connection airtightness and oxygen input effect, wherein airtightness detection equipment is used for detecting the pipe connection airtightness, and oxygen content measurement equipment is used for detecting the oxygen input effect.
Preferably, in step S6, the heat transfer device transfers the heat generated in the combustion chamber to the heating chamber uniformly, and the heating chamber uses the heat to heat and bake the pre-forms.
Preferably, in step S8, the control valve is electromagnetically controlled, and the input amount of the alcohol-based clean fuel is detected by using a liquid flow meter.
Preferably, in step S10, the product is subjected to quality inspection, the quality inspection samples are randomly sampled, and the quality inspection samples are grouped into five groups, and the five groups are packaged and stored in a warehouse.
Compared with the prior art, the invention has the following beneficial effects: by adopting the method, the heating chamber and the combustion chamber are separated, heat cannot be directly transmitted, the operation flexibility is improved, meanwhile, the heat delivery equipment is adopted, the tail end of the heat delivery equipment is uniformly connected with the heating chamber, the heat delivery efficiency and uniformity can be ensured, the heat efficiency of the industrial furnace kiln is enhanced, the oxygen increasing equipment is adopted, the oxygen increasing equipment is matched with the detection system assembly for use, the heat value can be detected in real time, the adjustment is convenient, and the use effect is improved.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
A method for improving thermal efficiency of an industrial furnace based on alcohol-based clean fuel comprises the following steps:
s1, preparing raw materials, namely preparing alcohol-based clean fuel, heat delivery equipment, oxygen increasing equipment, a detection system component, a control valve and a feedback element which are required to be used when the industrial furnace is combusted and heated;
s2, transforming the industrial furnace, namely transforming the industrial furnace after the step S1 is completed, so that the combustion chamber and the heating chamber are not directly connected, the oxygen increasing device is connected to the combustion chamber through transfer connection of the heat supply device, the heating chamber and the combustion chamber are separated, heat cannot be directly transmitted, and the operation flexibility is improved.
S3, installing a detection system assembly, a control valve and a feedback element, connecting the detection system assembly to the combustion chamber after the step S2 is completed, installing and fixing the feedback element, connecting the feedback element with the detection system assembly, and connecting the control valve to the oxygen increasing equipment;
s4, detecting after modification, and after the step S3 is finished, detecting and debugging each modification position by using a detection device, recording detection and debugging results and analyzing and processing the detection and debugging results;
s5, correcting after transformation, after S4 is completed, correcting the problem position of the first transformation, detecting again after correction until the detection result is normal, and detecting and correcting the transformation so as to ensure that the whole transformed composition can be normally used;
s6, starting combustion, adding the alcohol-based fuel into the combustion chamber to start combustion after the modified industrial furnace kiln can be put into use, and simultaneously adding oxygen into the combustion chamber by the operation of the oxygen increasing equipment to generate a large amount of heat by the combustion of the alcohol-based fuel;
s7, heat transfer, namely, when the step S6 is carried out, the heat transfer equipment is started, the heat transfer equipment transfers the heat generated in the combustion chamber into the heating chamber, the heat is used for heating and baking the workpiece and the object in the heating chamber, and the heat transfer equipment uniformly transfers the heat into the heating chamber, so that the uniformity of transfer is improved, the effect of heat conduction is improved, and the heat efficiency is improved;
s8, detecting the operation of the detecting system components, when the prefabricated product is baked, the detecting system components start to measure the temperature in the heating chamber and the combustion chamber, simultaneously detect the input quantity of the alcohol-based clean fuel, the measuring result is fed back through a feedback element, a central processing unit in the detecting system analyzes and processes the information fed back by the feedback element, sends an instruction after the processing is finished, the instruction is sent to a control valve at an oxygen increasing device, the control valve is opened and closed to control the operation of the oxygen increasing device, the oxygen increasing device changes the oxygen increasing amount, a heat sending device is adopted, the tail end of the heat sending device is uniformly connected with the heating chamber, the efficiency and the uniformity of heat quantity delivery can be ensured, the required temperature during burning can be preset according to different prefabricated products, and then the detecting system components, the control valve and the like are utilized to regulate and control so as to be used for the baking, the use is flexible and convenient;
s9, after burning, stopping conveying and burning of the alcohol-based clean fuel in the burning furnace after a period of time, stopping corresponding oxygen increasing equipment, heat sending equipment and the like, waiting for natural cooling or air cooling of the industrial furnace, and selecting according to actual conditions when natural cooling or air cooling is adopted, wherein under the condition of natural cooling, the product is not adversely affected by cooling, and the cooling rate of the product can be improved by air cooling;
and S10, taking out the product, taking out the baked and molded product by a worker after the step S9 is finished, and carrying out quality inspection and packaging on the product, wherein the whole industrial furnace is used up.
In step S1, the alcohol-based clean fuel is a liquid fuel, which includes methanol gasoline, methanol diesel, ethanol fuel, and butanol fuel; in step S1, the detecting system component comprises a temperature detector, a flow detector, an image collector, a central processing unit and a memory; in the step S2, when the industrial furnace is modified, the combustion chamber is separated from the heating chamber, the heat-supplying equipment is arranged in the middle, the heat-supplying equipment is respectively connected with the combustion chamber and the heating chamber, and meanwhile, the heat-supplying tail end is ensured to be uniformly distributed in the heating chamber; in the step S4, detecting the modified industrial furnace, wherein the detection items comprise the stability of pipeline connection, the airtightness of the pipeline connection and the oxygen input effect, wherein the airtightness detection equipment is adopted for the pipeline, and the oxygen content measurement equipment is adopted for the oxygen input effect; in step S6, the heat transfer device transfers the heat generated in the combustion chamber uniformly into the heating chamber, and the heating chamber heats and bakes the preform by using the heat; in step S8, the control valve is electromagnetic controlled, and the input quantity of the alcohol-based clean fuel is detected by a liquid flowmeter; and step S10, performing quality inspection on the product, wherein quality inspection samples are randomly sampled, and quality inspection samples are divided into five groups, packaged and stored in a warehouse.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (8)

1. A method for improving thermal efficiency of an industrial furnace based on alcohol-based clean fuel is characterized by comprising the following steps:
s1, preparing raw materials, namely preparing alcohol-based clean fuel, heat delivery equipment, oxygen increasing equipment, a detection system component, a control valve and a feedback element which are required to be used when the industrial furnace is combusted and heated;
s2, transforming the industrial furnace, namely transforming the industrial furnace after the step S1 is completed to ensure that a combustion chamber and a heating chamber are not directly connected, but are in transfer connection through heat transfer equipment, and oxygen increasing equipment is connected to the combustion chamber;
s3, installing a detection system assembly, a control valve and a feedback element, connecting the detection system assembly to the combustion chamber after the step S2 is completed, installing and fixing the feedback element, connecting the feedback element with the detection system assembly, and connecting the control valve to the oxygen increasing equipment;
s4, detecting after modification, and after the step S3 is finished, detecting and debugging each modification position by using a detection device, recording detection and debugging results and analyzing and processing the detection and debugging results;
s5, correcting after modification, after the step S4 is completed, correcting the problem position of the first modification, and detecting again after correction until the detection result is normal and can be put into use;
s6, starting combustion, adding the alcohol-based fuel into the combustion chamber to start combustion after the modified industrial furnace kiln can be put into use, and simultaneously adding oxygen into the combustion chamber by the operation of the oxygen increasing equipment to generate a large amount of heat by the combustion of the alcohol-based fuel;
s7, heat is delivered, and at the same time of the step S6, the heat delivery device is started, the heat delivery device delivers the heat generated in the combustion chamber into the heating chamber, and the heat is used for heating and baking the workpiece and the object in the heating chamber;
s8, detecting the operation of the system component, wherein when the prefabricated part is baked, the system component starts to measure the temperature in the heating chamber and the combustion chamber and simultaneously detects the input quantity of the alcohol-based clean fuel, the measurement result is fed back through a feedback element, a central processing unit in the detection system analyzes and processes the received information fed back by the feedback element, and sends an instruction after the processing is finished, the instruction is sent to a control valve at the oxygen increasing equipment, the control valve is opened and closed to control the operation of the oxygen increasing equipment, and the oxygen increasing equipment changes the oxygen increasing quantity;
s9, after the combustion is finished, stopping conveying and burning of the alcohol-based clean fuel in the combustion furnace after a period of time, and stopping corresponding oxygen increasing equipment, heat sending equipment and the like to wait for natural cooling or air cooling of the industrial furnace;
and S10, taking out the product, taking out the baked and molded product by a worker after the step S9 is finished, and carrying out quality inspection and packaging on the product, wherein the whole industrial furnace is used up.
2. The method for improving the thermal efficiency of the industrial furnace based on the alcohol-based clean fuel as claimed in claim 1, is characterized in that: in step S1, the alcohol-based clean fuel is a liquid fuel, which includes methanol gasoline, methanol diesel, ethanol fuel, and butanol fuel.
3. The method for improving the thermal efficiency of the industrial furnace based on the alcohol-based clean fuel as claimed in claim 1, is characterized in that: in step S1, the detecting system includes a temperature detector, a flow detector, an image collector, a central processing unit, and a memory.
4. The method for improving the thermal efficiency of the industrial furnace based on the alcohol-based clean fuel as claimed in claim 1, is characterized in that: in the step S2, when the industrial furnace is modified, the combustion chamber is separated from the heating chamber, the heat transfer device is disposed in the middle, the heat transfer device is respectively connected to the combustion chamber and the heating chamber, and the heat transfer ends are uniformly distributed in the heating chamber.
5. The method for improving the thermal efficiency of the industrial furnace based on the alcohol-based clean fuel as claimed in claim 1, is characterized in that: in the step S4, the modified industrial furnace is detected, and the detection items include the stability of pipeline connection, the airtightness of pipeline connection and the oxygen input effect, wherein the airtightness of pipeline detection adopts an airtightness detection device, and the oxygen input effect is detected by an oxygen content measurement device.
6. The method for improving the thermal efficiency of the industrial furnace based on the alcohol-based clean fuel as claimed in claim 1, is characterized in that: in step S6, the heat transfer device transfers the heat generated in the combustion chamber uniformly to the heating chamber, and the heating chamber uses the heat to heat and bake the pre-product.
7. The method for improving the thermal efficiency of the industrial furnace based on the alcohol-based clean fuel as claimed in claim 1, is characterized in that: in step S8, the control valve is electromagnetically controlled, and the input amount of the alcohol-based clean fuel is detected by using a liquid flow meter.
8. The method for improving the thermal efficiency of the industrial furnace based on the alcohol-based clean fuel as claimed in claim 1, is characterized in that: and in the step S10, performing quality inspection on the product, randomly sampling quality inspection samples, packaging five quality inspection sample groups, and storing in a warehouse.
CN202010965996.5A 2020-09-15 2020-09-15 Method for improving thermal efficiency of industrial furnace based on alcohol-based clean fuel Pending CN112254544A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004237211A (en) * 2003-02-06 2004-08-26 Honda Motor Co Ltd Device and method for controlling warmup of drying oven
CN103672948A (en) * 2013-12-13 2014-03-26 聚光科技(杭州)股份有限公司 Combustion control system and method of industrial furnace
CN204665826U (en) * 2015-05-28 2015-09-23 濮阳市正淳特种陶瓷有限公司 A kind of Novel drying room
CN109945669A (en) * 2019-04-18 2019-06-28 重庆赛迪热工环保工程技术有限公司 A kind of oxygen-enriched flue gas recirculation combustion method of tempering furnace and system
CN210662920U (en) * 2019-09-28 2020-06-02 深圳市森能燃烧设备有限公司 Heating control system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004237211A (en) * 2003-02-06 2004-08-26 Honda Motor Co Ltd Device and method for controlling warmup of drying oven
CN103672948A (en) * 2013-12-13 2014-03-26 聚光科技(杭州)股份有限公司 Combustion control system and method of industrial furnace
CN204665826U (en) * 2015-05-28 2015-09-23 濮阳市正淳特种陶瓷有限公司 A kind of Novel drying room
CN109945669A (en) * 2019-04-18 2019-06-28 重庆赛迪热工环保工程技术有限公司 A kind of oxygen-enriched flue gas recirculation combustion method of tempering furnace and system
CN210662920U (en) * 2019-09-28 2020-06-02 深圳市森能燃烧设备有限公司 Heating control system

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Application publication date: 20210122