CN108662608B - Boiler automatic oil burning jettison system - Google Patents

Boiler automatic oil burning jettison system Download PDF

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Publication number
CN108662608B
CN108662608B CN201810335857.7A CN201810335857A CN108662608B CN 108662608 B CN108662608 B CN 108662608B CN 201810335857 A CN201810335857 A CN 201810335857A CN 108662608 B CN108662608 B CN 108662608B
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China
Prior art keywords
boiler
fuel
receiving
pipe
edge
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Active
Application number
CN201810335857.7A
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Chinese (zh)
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CN108662608A (en
Inventor
王志效
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.)
Zhejiang Tianze Dayou Environmental Protection Energy Co., Ltd.
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Zhejiang Tianze Dayou Environmental Protection Energy Co Ltd
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00Feeding or distributing other fuel to combustion apparatus
    • F23K5/02Liquid fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00Feeding or distributing other fuel to combustion apparatus
    • F23K5/02Liquid fuel
    • F23K5/14Details thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00Feeding or distributing other fuel to combustion apparatus
    • F23K5/02Liquid fuel
    • F23K5/14Details thereof
    • F23K5/147Valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N1/00Regulating fuel supply
    • F23N1/005Regulating fuel supply using electrical or electromechanical means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2300/00Pretreatment and supply of liquid fuel
    • F23K2300/20Supply line arrangements
    • F23K2300/206Control devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2223/00Signal processing; Details thereof
    • F23N2223/04Memory
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2229/00Flame sensors
    • F23N2229/20Camera viewing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00Valves, nozzles or pumps
    • F23N2235/12Fuel valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2239/00Fuels
    • F23N2239/06Liquid fuels

Abstract

The present invention relates to a kind of boiler automatic oil burning jettison systems, comprising: fuel storage tanks are arranged near boiler, are connect by connecting pipe with boiler, for providing fuel oil for the burning of boiler;Connecting pipe is arranged between the opening of fuel storage tanks and the opening of boiler, and cooling siphunculus is wrapped with outside the connecting pipe;Fuel regulator valve, it is arranged in connecting pipe, for when receiving fuel supply signal, it automatically opens so that the fuel oil from fuel storage tanks flows into the opening of the boiler by the connecting pipe, for increasing fuel for the burning of boiler, it is also used to be automatically closed when receiving fuel oil abort signal so that the fuel oil from fuel storage tanks cannot pass through the connecting pipe flows into the opening of the boiler.By means of the invention it is possible to using the automatic artificial dispensing mode for launching mode replacement furnace fuel oil.

Description

Boiler automatic oil burning jettison system
Technical field
The present invention relates to field of boilers more particularly to a kind of boiler automatic oil burning jettison systems.
Background technique
Boiler is a kind of energy conversion, and the energy inputted to boiler has chemical energy, electric energy in fuel, boiler output Steam, high-temperature water or organic heat carrier with certain thermal energy.
The original meaning of pot refers to that the water container heated on fire, furnace refer to the place of burning fuel, and boiler includes that pot and furnace two are big Part.The hot water or steam generated in boiler directly can provide required thermal energy for industrial production and people's lives, can also pass through steaming Vapour power device is converted to mechanical energy, or converts mechanical energy into electric energy by generator again.The boiler for providing hot water is known as heat Homogeneous solution-type reactor is mainly used for living, and also has a small amount of application in industrial production.The boiler for generating steam is known as steam boiler, often referred to as For boiler, it is chiefly used in thermal power station, ship, locomotive and industrial and mining enterprises.
Currently, boiler internal fuel oil delivering opportunity is difficult to hold, on the one hand, if fuel oil is launched too early, waste of energy While make boiler internal temperature excessively high;On the other hand, if fuel oil is launched too late, boiler operating efficiency is influenced, is easy Lead to fire-putting-out emergency.
Summary of the invention
It to solve the above-mentioned problems, can be in boiler internal the present invention provides a kind of boiler automatic oil burning jettison system When area of flame is less than or equal to limitation, fuel supply signal is issued to start the subsequent supply to the fuel of boiler internal, thus The trigger mechanism of furnace fuel oil dispensing is provided, Manual operation link is reduced.
According to an aspect of the present invention, a kind of boiler automatic oil burning jettison system is provided, the system comprises:
Fuel storage tanks are arranged near boiler, are connect by connecting pipe with boiler, for mentioning for the burning of boiler For fuel oil;
Connecting pipe is arranged between the opening of fuel storage tanks and the opening of boiler, is wrapped with outside the connecting pipe Cool down siphunculus, for providing cooling processing for the fuel oil by connecting pipe;
Fuel regulator valve is arranged in connecting pipe, for automatically opening when receiving fuel supply signal so that Fuel oil from fuel storage tanks flows into the opening of the boiler by the connecting pipe, for the burning increase for boiler Fuel is also used to be automatically closed when receiving fuel oil abort signal so that the fuel oil from fuel storage tanks cannot pass through The connecting pipe flows into the opening of the boiler;
Air outlet detection device, is arranged at the air outlet of boiler, for containing for the gas to the air outlet by boiler Oxygen amount is detected, and is less than or equal to preset concentration in the oxygen content of the gas of the air outlet by boiler, issues the first triggering Signal, and the oxygen content of the gas in the air outlet by boiler are greater than preset concentration, issue the second trigger signal;
Internal refractory camera is connect with the air outlet detection device, for receiving first trigger signal When, start the image capture to the boiler internal, to obtain capture image in real time;
Contrast Detection equipment is connect with the internal refractory camera, for receiving the real-time capture image, to institute State real-time capture image degree of comparing analysis, when the contrast analyzed is less than or equal to default contrast threshold, sending pair Otherwise signal more relatively low than degree issues contrast normal signal;
Edge analyzing device is connect with the Contrast Detection equipment, for receiving the relatively low signal of the contrast When, edge dissection process is executed to the real-time capture image using Prewitt operator, to obtain and export edge analysis diagram Picture is also used to when receiving the contrast normal signal, executes edge to the real-time capture image using Sobel operator Dissection process, to obtain and export edge parsing image.
It can be seen that the present invention at least has key inventive point at following three:
(1) when boiler internal area of flame is less than or equal to limitation, fuel supply signal is issued to start to boiler internal Fuel subsequent supply, reduce the link of direct surveillance and hand stock, improve the Automated water that boiler integrally controls It is quasi-;
(2) characteristic sensitive to contrast using the edge analytic technique based on Sobel operator, when picture contrast is normal When, it selects Sobel operator to execute edge dissection process, when picture contrast is relatively low, other operators is selected to execute edge parsing Processing;
(3) complexity of image is obtained using custom model, after determining progress target identification based on complexity Continuous frame number, to reach certain balance between the precision and operand of target identification.
Specific embodiment
The embodiment of boiler automatic oil burning put-on method of the invention will be described in detail below.
Control is difficult to for furnace fuel oil delivering opportunity in the prior art and fuel oil addition needs to think operating aspect Deficiency, the present invention have built a kind of boiler automatic oil burning jettison system, can overcome simultaneously above-mentioned every insufficient.
The boiler automatic oil burning jettison system shown according to an embodiment of the present invention includes:
Fuel storage tanks are arranged near boiler, are connect by connecting pipe with boiler, for mentioning for the burning of boiler For fuel oil;
Connecting pipe is arranged between the opening of fuel storage tanks and the opening of boiler, is wrapped with outside the connecting pipe Cool down siphunculus, for providing cooling processing for the fuel oil by connecting pipe;
Fuel regulator valve is arranged in connecting pipe, for automatically opening when receiving fuel supply signal so that Fuel oil from fuel storage tanks flows into the opening of the boiler by the connecting pipe, for the burning increase for boiler Fuel is also used to be automatically closed when receiving fuel oil abort signal so that the fuel oil from fuel storage tanks cannot pass through The connecting pipe flows into the opening of the boiler;
Air outlet detection device, is arranged at the air outlet of boiler, for containing for the gas to the air outlet by boiler Oxygen amount is detected, and is less than or equal to preset concentration in the oxygen content of the gas of the air outlet by boiler, issues the first triggering Signal, and the oxygen content of the gas in the air outlet by boiler are greater than preset concentration, issue the second trigger signal;
Internal refractory camera is connect with the air outlet detection device, for receiving first trigger signal When, start the image capture to the boiler internal, to obtain capture image in real time;
Contrast Detection equipment is connect with the internal refractory camera, for receiving the real-time capture image, to institute State real-time capture image degree of comparing analysis, when the contrast analyzed is less than or equal to default contrast threshold, sending pair Otherwise signal more relatively low than degree issues contrast normal signal;
Edge analyzing device is connect with the Contrast Detection equipment, for receiving the relatively low signal of the contrast When, edge dissection process is executed to the real-time capture image using Prewitt operator, to obtain and export edge analysis diagram Picture is also used to when receiving the contrast normal signal, executes edge to the real-time capture image using Sobel operator Dissection process, to obtain and export edge parsing image;
Complexity measure equipment is connect with the edge analyzing device, for receiving edge parsing image, for described The complexity of edge parsing image measures, and to obtain corresponding complexity factors, and exports the complexity factors;Institute It states in complexity measure equipment, measuring to the complexity of edge parsing image includes: using Z-shaped to the edge Parsing image is traversed to obtain each traversal pixel of Z-shaped process, determines the square of each traversal pixel Difference, using the mean square deviation as corresponding complexity factors;
Frame number selects equipment, connect with the complexity measure equipment, for receiving the complexity factors, and is based on institute The subsequent frame number that complexity factors selection carries out target identification needs is stated, image is parsed to the edge based on determining subsequent frame number Subsequent image frames grabbed, to obtain each picture frame corresponding with the subsequent frame number;
Oil control equipment is thrown, is connect with frame number selection equipment, for receiving each picture frame, and based on described Each picture frame identifies respective area of flame, to obtain the mean value of respective area of flame, and is less than face in the mean value When product limitation, fuel supply signal is issued, is also used to issue fuel oil when the mean value is more than or equal to area limitation and stop letter Number;
Wherein, the fuel regulator valve is connect with throwing oil control equipment, for receive the fuel supply signal or The fuel oil abort signal;
Wherein, it in frame number selection equipment, is selected after carrying out target identification needs based on the complexity factors Continuous frame number includes: that the complexity factors are bigger, and the subsequent frame number of the carry out target identification needs of selection is more.
Then, continue that the specific structure of boiler automatic oil burning jettison system of the invention is further detailed.
In the boiler automatic oil burning jettison system:
The internal refractory camera is also used to when receiving second trigger signal, is stopped to the boiler internal Image capture.
Can also include: in the boiler automatic oil burning jettison system
TF stores equipment, connect respectively with the throwing oil control equipment and the air outlet detection device, for storing State preset concentration and area limitation.
Can also include: in the boiler automatic oil burning jettison system
The side of boiler is arranged in liquid crystal display, is connected with the throwing oil control equipment by ZIGBEE communication link It connects;
Wherein, the liquid crystal display is for receiving the real-time capture image and the mean value, and shows real-time Capture image and the mean value.
In the boiler automatic oil burning jettison system:
On liquid crystal display, the mean value is overlapped on the real-time capture image to show;
Wherein, it is equipped with the first ZIGBEE communication interface in the liquid crystal display, is equipped in the throwing oil control equipment 2nd ZIGBEE communication interface.
Meanwhile the boiler automatic oil burning put-on method shown according to an embodiment of the present invention includes:
Using fuel storage tanks, it is arranged near boiler, is connect by connecting pipe with boiler, for the combustion for boiler It burns and fuel oil is provided;
Using connecting pipe, it is arranged between the opening of fuel storage tanks and the opening of boiler, outside the connecting pipe It is wrapped with cooling siphunculus, for providing cooling processing for the fuel oil by connecting pipe;
Using fuel regulator valve, be arranged in connecting pipe, for when receiving fuel supply signal, automatically open with So that the fuel oil from fuel storage tanks flows into the opening of the boiler by the connecting pipe, for the burning for boiler Increase fuel, is also used to be automatically closed when receiving fuel oil abort signal so that the fuel oil from fuel storage tanks can not It is flowed by the connecting pipe in the opening of the boiler;
Using air outlet detection device, it is arranged at the air outlet of boiler, for the gas to the air outlet by boiler Oxygen content detected, and be less than or equal to preset concentration in the oxygen content of the gas by the air outlet of boiler, issue first Trigger signal, and the oxygen content of the gas in the air outlet by boiler are greater than preset concentration, issue the second trigger signal;
It using internal refractory camera, is connect with the air outlet detection device, for receiving first triggering When signal, start the image capture to the boiler internal, to obtain capture image in real time;
Using Contrast Detection equipment, it is connect with the internal refractory camera, for receiving the real-time capture image, The real-time capture image degree of comparing is analyzed, when the contrast analyzed is less than or equal to default contrast threshold, hair Otherwise the relatively low signal of contrast out issues contrast normal signal;
It using edge analyzing device, is connect with the Contrast Detection equipment, for receive the contrast relatively low When signal, edge dissection process is executed to the real-time capture image using Prewitt operator, to obtain and export edge parsing Image is also used to when receiving the contrast normal signal, executes side to the real-time capture image using Sobel operator Edge dissection process, to obtain and export edge parsing image;
Using complexity measure equipment, connect with the edge analyzing device, for receive edge parsing image, for pair The complexity of the edge parsing image measures, and to obtain corresponding complexity factors, and exports the complexity factors; In the complexity measure equipment, measuring to the complexity of edge parsing image includes: using Z-shaped to described Edge parsing image is traversed to obtain each traversal pixel of Z-shaped process, determines each traversal pixel Mean square deviation, using the mean square deviation as corresponding complexity factors;
Equipment is selected using frame number, is connect with the complexity measure equipment, for receiving the complexity factors, and base The subsequent frame number of progress target identification needs is selected in the complexity factors, the edge is parsed based on determining subsequent frame number The subsequent image frames of image are grabbed, to obtain each picture frame corresponding with the subsequent frame number;
Using oil control equipment is thrown, it connect with frame number selection equipment, for receiving each picture frame, and is based on Each picture frame identifies respective area of flame, to obtain the mean value of respective area of flame, and it is small in the mean value When area limitation, fuel supply signal is issued, is also used to issue fuel oil when the mean value is more than or equal to area limitation and stop Signal;
Wherein, the fuel regulator valve is connect with throwing oil control equipment, for receive the fuel supply signal or The fuel oil abort signal;
Wherein, it in frame number selection equipment, is selected after carrying out target identification needs based on the complexity factors Continuous frame number includes: that the complexity factors are bigger, and the subsequent frame number of the carry out target identification needs of selection is more.
Then, continue that the specific steps of boiler automatic oil burning put-on method of the invention are further detailed.
In the boiler automatic oil burning put-on method:
The internal refractory camera is also used to when receiving second trigger signal, is stopped to the boiler internal Image capture.
The boiler automatic oil burning put-on method can also include:
Equipment is stored using TF, is connect respectively with the throwing oil control equipment and the air outlet detection device, for depositing Store up the preset concentration and area limitation.
The boiler automatic oil burning put-on method can also include:
Using liquid crystal display, the side of boiler is set, passes through ZIGBEE communication chain with the throwing oil control equipment Road connection;
Wherein, the liquid crystal display is for receiving the real-time capture image and the mean value, and shows real-time Capture image and the mean value.
In the boiler automatic oil burning put-on method:
On liquid crystal display, the mean value is overlapped on the real-time capture image to show;
Wherein, it is equipped with the first ZIGBEE communication interface in the liquid crystal display, is equipped in the throwing oil control equipment 2nd ZIGBEE communication interface.
In addition, ZIGBEE is the low-power consumption LAN protocol based on IEEE802.15.4 standard.It is provided according to international standard, ZIGBEE technology is the wireless communication technique of a kind of short distance, low-power consumption.This title (also known as ZigBee protocol) derives from honeybee Eight words dance, due to honeybee (bee) be by circle in the air and " drone " (zig) shake wing " dancing " come and companion transmitting pollen Place azimuth information, that is to say, that honeybee constitutes the communication network in group by such mode.Its main feature is that closely, Low complex degree, self-organizing, low-power consumption, low data rate.It is mainly suitable for be embedded in for automatic control and remote control field Various equipment.
In brief, ZIGBEE is a kind of cheap, the near radio networking mechanics of communication of low-power consumption.ZIGBEE is A kind of wireless network protocol of low speed short-distance transmission.ZIGBEE agreement is respectively physical layer, media access control from top to bottom Layer, transport layer, network layer, application layer etc..Wherein physical layer and MAC layer follow the rule of IEEE 802.15.4 standard It is fixed.
Using boiler automatic oil burning jettison system of the invention, held for furnace fuel oil delivering opportunity in the prior art tired Difficult technical problem carries out target knowledge firstly, obtaining the complexity of image using custom model to determine based on complexity Other subsequent frame number, to reach certain balance between the precision and operand of target identification, secondly, using being based on The edge analytic technique of the Sobel operator characteristic sensitive to contrast selects Sobel operator to hold when picture contrast is normal Row edge dissection process selects other operators to execute edge dissection process, finally, in boiler when picture contrast is relatively low When portion's area of flame is less than or equal to limitation, fuel supply signal is issued to start the subsequent supply to the fuel of boiler internal, is subtracted The link for having lacked direct surveillance and hand stock improves the automation level that boiler integrally controls.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention, Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection It is interior.

Claims (3)

1. a kind of boiler automatic oil burning jettison system, which is characterized in that the system comprises:
Fuel storage tanks are arranged near boiler, are connect by connecting pipe with boiler, for providing combustion for the burning of boiler Oil;
Connecting pipe is arranged between the opening of fuel storage tanks and the opening of boiler, and cooling is wrapped with outside the connecting pipe Siphunculus, for providing cooling processing for the fuel oil by connecting pipe;
Fuel regulator valve is arranged in connecting pipe, for automatically opening so that coming from when receiving fuel supply signal The fuel oil of fuel storage tanks flows into the opening of the boiler by the connecting pipe, for increasing combustion for the burning of boiler Material, is also used to be automatically closed when receiving fuel oil abort signal so that the fuel oil from fuel storage tanks cannot pass through institute Connecting pipe is stated to flow into the opening of the boiler;
Air outlet detection device, is arranged at the air outlet of boiler, the oxygen content for the gas to the air outlet by boiler It is detected, and is less than or equal to preset concentration in the oxygen content of the gas of the air outlet by boiler, issue the first trigger signal, And the oxygen content of the gas in the air outlet by boiler is greater than preset concentration, issues the second trigger signal;
Internal refractory camera is connect, for opening when receiving first trigger signal with the air outlet detection device The dynamic image capture to the boiler internal, to obtain capture image in real time;
Contrast Detection equipment is connect with the internal refractory camera, for receiving the real-time capture image, to the reality When capture image degree of comparing analysis issue contrast when the contrast analyzed is less than or equal to default contrast threshold Otherwise relatively low signal issues contrast normal signal;
Edge analyzing device is connect with the Contrast Detection equipment, for adopting when receiving the relatively low signal of the contrast Edge dissection process is executed to the real-time capture image with Prewitt operator, to obtain and export edge parsing image, is also used In when receiving the contrast normal signal, the real-time capture image is executed at edge parsing using Sobel operator Reason, to obtain and export edge parsing image;
Complexity measure equipment is connect with the edge analyzing device, for receiving edge parsing image, for the edge The complexity of parsing image measures, and to obtain corresponding complexity factors, and exports the complexity factors;Described multiple In miscellaneous degree measuring device, measuring to the complexity of edge parsing image includes: to be parsed using Z-shaped to the edge Image is traversed the mean square deviation that each traversal pixel is determined to obtain each traversal pixel of Z-shaped process, will The mean square deviation is as corresponding complexity factors;
Frame number selects equipment, connect with the complexity measure equipment, for receiving the complexity factors, and based on described multiple Miscellaneous degree selecting predictors carry out the subsequent frame number of target identification needs, after parsing image to the edge based on the subsequent frame number of determination Continuous picture frame is grabbed, to obtain each picture frame corresponding with the subsequent frame number;
Oil control equipment is thrown, is connect with frame number selection equipment, for receiving each picture frame, and based on described each Picture frame identifies respective area of flame, to obtain the mean value of respective area of flame, and limits in the mean value less than area When amount, fuel supply signal is issued, is also used to issue fuel oil abort signal when the mean value is more than or equal to area limitation;
Wherein, the fuel regulator valve is connect with throwing oil control equipment, for receiving the fuel supply signal or described Fuel oil abort signal;
Wherein, in frame number selection equipment, the subsequent frame for carrying out target identification needs is selected based on the complexity factors Number includes: that the complexity factors are bigger, and the subsequent frame number of the carry out target identification needs of selection is more.
2. boiler automatic oil burning jettison system as described in claim 1, it is characterised in that:
The internal refractory camera is also used to when receiving second trigger signal, stops the figure to the boiler internal As capture.
3. boiler automatic oil burning jettison system as claimed in claim 2, which is characterized in that further include:
TF stores equipment, connect respectively with the throwing oil control equipment and the air outlet detection device, described pre- for storing If concentration and area limitation.
CN201810335857.7A 2018-04-16 2018-04-16 Boiler automatic oil burning jettison system Active CN108662608B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201810335857.7A CN108662608B (en) 2018-04-16 2018-04-16 Boiler automatic oil burning jettison system

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CN108662608B true CN108662608B (en) 2019-08-27

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201014478Y (en) * 2006-12-28 2008-01-30 罗汉元 Automatic oiling fusion welding machine
CN201983266U (en) * 2011-04-13 2011-09-21 中冶京诚工程技术有限公司 Flame adjusting combustor of soaking pit
CN102243705B (en) * 2011-05-09 2013-04-24 东南大学 Method for positioning license plate based on edge detection
CN206656371U (en) * 2017-04-25 2017-11-21 徐龙甫 A kind of boiler automatic control system

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Address after: No.168 Yuanhang Road, Nanbin street, Ruian City, Wenzhou City, Zhejiang Province 325200

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Address before: 325200 First Floor Shop No. 2-11, Jinyuan Building A, Wanshun, Anyang Street, Ruian City, Wenzhou City, Zhejiang Province

Patentee before: Zhejiang Tianze Dayou Environmental Protection Energy Co.,Ltd.

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