CN113865367A - Feeding system for kiln fuel - Google Patents

Feeding system for kiln fuel Download PDF

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Publication number
CN113865367A
CN113865367A CN202111097616.1A CN202111097616A CN113865367A CN 113865367 A CN113865367 A CN 113865367A CN 202111097616 A CN202111097616 A CN 202111097616A CN 113865367 A CN113865367 A CN 113865367A
Authority
CN
China
Prior art keywords
valve
communicated
combustion
air
pipeline
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202111097616.1A
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Chinese (zh)
Inventor
戚荣康
何云峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Linkcon Thermal Technology Co ltd
Original Assignee
Foshan Linkcon Thermal Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan Linkcon Thermal Technology Co ltd filed Critical Foshan Linkcon Thermal Technology Co ltd
Priority to CN202111097616.1A priority Critical patent/CN113865367A/en
Publication of CN113865367A publication Critical patent/CN113865367A/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/60—Devices for simultaneous control of gas and combustion air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/62—Mixing devices; Mixing tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B17/00—Furnaces of a kind not covered by any preceding group
    • F27B17/0016—Chamber type furnaces
    • F27B17/0041—Chamber type furnaces specially adapted for burning bricks or pottery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0034—Regulation through control of a heating quantity such as fuel, oxidant or intensity of current
    • F27D2019/004—Fuel quantity
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]

Abstract

The invention relates to the technical field of kilns, and discloses a feeding system for kiln fuel, which comprises a gas main path, a combustion-supporting branch path, burners and a PLC (programmable logic controller); the main gas path comprises a stop valve, a flowmeter, a pressure reducing valve, a pressure gauge 1, a pressure switch, a manual ball valve, an electromagnetic valve 1, an air-fuel proportional valve, a fine adjustment valve 1 and a flow pore plate 1, and the combustion-supporting branch comprises a combustion-supporting fan, a manual butterfly valve, a pressure gauge 2, an electromagnetic valve 2, an actuator, a fine adjustment valve 2 and a flow pore plate 2. According to the feeding system for the kiln fuel, combustion air behind an air butterfly valve is guided into an air-fuel proportional valve in a combustion-supporting branch, power of the air-fuel proportional valve is derived from pressure of a combustion-supporting air pipeline, the air butterfly valve is an electric butterfly valve, and the opening of the valve can be controlled and adjusted, so that the optimal ratio of the combustion air and natural gas can be fully combusted in case of fire.

Description

Feeding system for kiln fuel
Technical Field
The invention relates to the technical field of kilns, in particular to a feeding system for kiln fuel.
Background
The kiln or furnace means a furnace for firing ceramic ware and sculptures or fusing enamel to the surface of metal ware. The brick is generally built by bricks and stones, can be made into various specifications according to requirements, and can be operated by adopting combustible gas, oil or electricity.
The kiln is generally composed of four parts, namely a kiln chamber, combustion equipment, ventilation equipment and conveying equipment, liquefied gas, coal gas or natural gas is used as fuel, the firepower is strong, the pollution is small, and the kiln is suitable for firing in different firing atmospheres and is the most widely used kiln at present.
In use, the kiln needs to accurately adjust the pressure and flow of combustion air and fuel entering a burner to ensure that the burner is in an optimal combustion state, and therefore a feeding system for kiln fuel is provided.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a feeding system for kiln fuel.
The invention provides the following technical scheme: a charging system for kiln fuel, characterized by: the device comprises a gas main path, a combustion-supporting branch path, a burner and a PLC controller;
the main gas path comprises a stop valve, a flowmeter, a pressure reducing valve, a pressure gauge 1, a pressure switch, a manual ball valve, an electromagnetic valve 1, an air-fuel proportional valve, a fine adjustment valve 1 and a flow orifice plate 1,
the combustion-supporting branch comprises a combustion-supporting fan, a manual butterfly valve, a pressure gauge 2, an electromagnetic valve 2, an actuator, a fine adjustment valve 2 and a flow orifice plate 2;
the stop valve is communicated with a gas feeding pipe, the stop valve is communicated with a flowmeter through a pipeline, the flowmeter is communicated with a pressure reducing valve through a pipeline, the pressure reducing valve is communicated with a pressure gauge through a pipeline, the pressure gauge is communicated with a pressure switch through a pipeline, the pressure switch is communicated with a manual ball valve through a pipeline, the manual ball valve is communicated with an electromagnetic valve 1 through a pipeline, the electromagnetic valve 1 is communicated with an air-fuel proportional valve through a pipeline, the air-fuel proportional valve is communicated with a fine adjustment valve 1 through a pipeline, the fine adjustment valve 1 is communicated with a flow orifice plate 1 through a pipeline, and the flow orifice plate 1 is communicated with a burner through a pipeline;
the combustion-supporting fan is communicated with a manual butterfly valve through a pipeline, the manual butterfly valve is communicated with a pressure meter through a pipeline, the pressure meter is communicated with an electromagnetic valve 2 through a pipeline, the electromagnetic valve 2 is communicated with an actuator through a pipeline, the actuator is respectively communicated with an air-fuel proportional valve and a fine adjustment valve 2 through pipelines, the fine adjustment valve 2 is communicated with a flow orifice plate 2 through a pipeline, and the flow orifice plate 2 is communicated with a burner through a pipeline;
and the actuator, the electromagnetic valve 1, the electromagnetic valve 2 and the burner are all electrically connected with the PLC.
Preferably, the actuator consists of a servo motor and an air butterfly valve and is mainly used for controlling the size of combustion air.
Preferably, when the gas passes through the stop valve, the natural gas supply can be cut off when the kiln is stopped, the natural gas monitors the flow of the natural gas through the flow meter, when the natural gas enters the pressure reducing valve, the pressure is reduced, the pressure is detected through the pressure gauge, the pressure switch monitors the pressure change, when the pressure is lower than a set value, the pressure switch transmits a signal to the PLC, the electromagnetic valve 1 is closed, the natural gas is cut off, in the air-fuel proportional valve, the proportion between the air and the natural gas is automatically adjusted, and the natural gas reaches the burner through the fine adjustment valve 1 and the flow pore plate 1 to be combusted.
Preferably, the manual ball valve 1 and the electromagnetic valve 1 are used for normal operation of the burner, and once the burner is extinguished, the manual ball valve 1 and the electromagnetic valve 1 can be closed to cut off the supply of natural gas.
Preferably, the combustion-supporting fan blows combustion-supporting air into the combustion-supporting branch, the pressure meter detects the pressure, the actuator controls the size of the combustion-supporting air, and the combustion-supporting air is guided into the burner to be combusted through the adjustment of the fine adjustment valve 2 and the flow orifice plate 2.
Compared with the prior art, the invention has the following beneficial effects:
according to the feeding system for the kiln fuel, combustion air behind an air butterfly valve is guided into an air-fuel proportional valve in a combustion-supporting branch, power of the air-fuel proportional valve is derived from pressure of a combustion-supporting air pipeline, the air butterfly valve is an electric butterfly valve, and the opening of the valve can be controlled and adjusted, so that the optimal ratio of the combustion air and natural gas can be fully combusted in case of fire.
The PLC controls the burning and closing time of the burner, when the burner receives a burning command signal sent by the PLC, the air electromagnetic valves 1 and 2 are opened, the burning condition of the burner is automatically ignited and monitored, when the closing command signal is received, the burning of the burner is closed, the burner is in a waiting state, and the work is carried out repeatedly; before the burner is put into operation, the pressure and flow of combustion air and natural gas entering the burner need to be accurately adjusted to ensure that the burner is in the optimal combustion state.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present disclosure clearer, technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure, and in order to keep the following description of the embodiments of the present disclosure clear and concise, detailed descriptions of known functions and known parts of the disclosure are omitted to avoid unnecessarily obscuring the concepts of the present disclosure.
Referring to fig. 1, a charging system for kiln fuel is characterized in that: the device comprises a gas main path, a combustion-supporting branch path, a burner and a PLC controller;
the main gas path comprises a stop valve, a flowmeter, a pressure reducing valve, a pressure gauge 1, a pressure switch, a manual ball valve, an electromagnetic valve 1, an air-fuel proportional valve, a fine adjustment valve 1 and a flow orifice plate 1,
the combustion-supporting branch comprises a combustion-supporting fan, a manual butterfly valve, a pressure gauge 2, an electromagnetic valve 2, an actuator, a fine adjustment valve 2 and a flow orifice plate 2;
the stop valve is communicated with a gas feeding pipe, the stop valve is communicated with a flowmeter through a pipeline, the flowmeter is communicated with a pressure reducing valve through a pipeline, the pressure reducing valve is communicated with a pressure gauge through a pipeline, the pressure gauge is communicated with a pressure switch through a pipeline, the pressure switch is communicated with a manual ball valve through a pipeline, the manual ball valve is communicated with an electromagnetic valve 1 through a pipeline, the electromagnetic valve 1 is communicated with an air-fuel proportional valve through a pipeline, the air-fuel proportional valve is communicated with a fine adjustment valve 1 through a pipeline, the fine adjustment valve 1 is communicated with a flow orifice plate 1 through a pipeline, and the flow orifice plate 1 is communicated with a burner through a pipeline;
the combustion-supporting fan is communicated with a manual butterfly valve through a pipeline, the manual butterfly valve is communicated with a pressure meter through a pipeline, the pressure meter is communicated with an electromagnetic valve 2 through a pipeline, the electromagnetic valve 2 is communicated with an actuator through a pipeline, the actuator is respectively communicated with an air-fuel proportional valve and a fine adjustment valve 2 through pipelines, the fine adjustment valve 2 is communicated with a flow orifice plate 2 through a pipeline, and the flow orifice plate 2 is communicated with a burner through a pipeline;
and the actuator, the electromagnetic valve 1, the electromagnetic valve 2 and the burner are all electrically connected with the PLC.
The actuator consists of a servo motor and an air butterfly valve and is mainly used for controlling the size of combustion air.
When the gas passes through the stop valve, the natural gas supply can be cut off when the kiln is stopped, the natural gas monitors the flow of the natural gas through the flow meter, when the natural gas enters the pressure reducing valve, the pressure is reduced, the pressure is detected through the pressure gauge, the pressure switch monitors the pressure change, when the pressure is lower than a set value, the pressure switch transmits a signal to the PLC, the electromagnetic valve 1 is closed, the natural gas is cut off, in the air-fuel proportional valve, the proportion between the air and the natural gas is automatically adjusted, and the natural gas reaches the burner through the fine adjustment valve 1 and the flow orifice plate 1 to be combusted.
The manual ball valve 1 and the electromagnetic valve 1 are used for enabling the burner to work normally, and once the burner is flamed out, the manual ball valve 1 and the electromagnetic valve 1 can be closed to cut off the supply of natural gas.
And the combustion-supporting fan is operated to blow combustion-supporting air into the combustion-supporting branch, the pressure is detected by the pressure meter, the size of the combustion-supporting air is controlled in the actuator, and then the combustion-supporting air is guided into the burner for combustion through the adjustment of the fine adjustment valve 2 and the flow orifice plate 2.
The flow orifice plate 1 and the flow orifice plate 2 provide accurate measurement of gas and combustion air for the burner, and accelerate the mixing of air and gas in proportion.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

Claims (5)

1. A charging system for kiln fuel, characterized by: the device comprises a gas main path, a combustion-supporting branch path, a burner and a PLC controller;
the main gas path comprises a stop valve, a flowmeter, a pressure reducing valve, a pressure gauge 1, a pressure switch, a manual ball valve, an electromagnetic valve 1, an air-fuel proportional valve, a fine adjustment valve 1 and a flow orifice plate 1,
the combustion-supporting branch comprises a combustion-supporting fan, a manual butterfly valve, a pressure gauge 2, an electromagnetic valve 2, an actuator, a fine adjustment valve 2 and a flow orifice plate 2;
the stop valve is communicated with a gas feeding pipe, the stop valve is communicated with a flowmeter through a pipeline, the flowmeter is communicated with a pressure reducing valve through a pipeline, the pressure reducing valve is communicated with a pressure gauge through a pipeline, the pressure gauge is communicated with a pressure switch through a pipeline, the pressure switch is communicated with a manual ball valve through a pipeline, the manual ball valve is communicated with an electromagnetic valve 1 through a pipeline, the electromagnetic valve 1 is communicated with an air-fuel proportional valve through a pipeline, the air-fuel proportional valve is communicated with a fine adjustment valve 1 through a pipeline, the fine adjustment valve 1 is communicated with a flow orifice plate 1 through a pipeline, and the flow orifice plate 1 is communicated with a burner through a pipeline;
the combustion-supporting fan is communicated with a manual butterfly valve through a pipeline, the manual butterfly valve is communicated with a pressure meter through a pipeline, the pressure meter is communicated with an electromagnetic valve 2 through a pipeline, the electromagnetic valve 2 is communicated with an actuator through a pipeline, the actuator is respectively communicated with an air-fuel proportional valve and a fine adjustment valve 2 through pipelines, the fine adjustment valve 2 is communicated with a flow orifice plate 2 through a pipeline, and the flow orifice plate 2 is communicated with a burner through a pipeline;
and the actuator, the electromagnetic valve 1, the electromagnetic valve 2 and the burner are all electrically connected with the PLC.
2. A charging system for kiln fuel according to claim 1, characterized in that: the actuator consists of a servo motor and an air butterfly valve and is mainly used for controlling the size of combustion air.
3. A charging system for kiln fuel according to claim 1, characterized in that: when the gas passes through the stop valve, the natural gas supply can be cut off when the kiln is stopped, the natural gas monitors the flow of the natural gas through the flow meter, when the natural gas enters the pressure reducing valve, the pressure is reduced, the pressure is detected through the pressure gauge, the pressure switch monitors the pressure change, when the pressure is lower than a set value, the pressure switch transmits a signal to the PLC, the electromagnetic valve 1 is closed, the natural gas is cut off, in the air-fuel proportional valve, the proportion between the air and the natural gas is automatically adjusted, and the natural gas reaches the burner through the fine adjustment valve 1 and the flow orifice plate 1 to be combusted.
4. A charging system for kiln fuel according to claim 1, characterized in that: the manual ball valve 1 and the electromagnetic valve 1 are used for enabling the burner to work normally, and once the burner is flamed out, the manual ball valve 1 and the electromagnetic valve 1 can be closed to cut off the supply of natural gas.
5. A charging system for kiln fuel according to claim 1, characterized in that: and the combustion-supporting fan is operated to blow combustion-supporting air into the combustion-supporting branch, the pressure is detected by the pressure meter, the size of the combustion-supporting air is controlled in the actuator, and then the combustion-supporting air is guided into the burner for combustion through the adjustment of the fine adjustment valve 2 and the flow orifice plate 2.
CN202111097616.1A 2021-09-18 2021-09-18 Feeding system for kiln fuel Withdrawn CN113865367A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111097616.1A CN113865367A (en) 2021-09-18 2021-09-18 Feeding system for kiln fuel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111097616.1A CN113865367A (en) 2021-09-18 2021-09-18 Feeding system for kiln fuel

Publications (1)

Publication Number Publication Date
CN113865367A true CN113865367A (en) 2021-12-31

Family

ID=78992663

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111097616.1A Withdrawn CN113865367A (en) 2021-09-18 2021-09-18 Feeding system for kiln fuel

Country Status (1)

Country Link
CN (1) CN113865367A (en)

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PB01 Publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20211231

WW01 Invention patent application withdrawn after publication