CN110762588B - Combined heating system of fuel auxiliary boiler and waste gas boiler - Google Patents
Combined heating system of fuel auxiliary boiler and waste gas boiler Download PDFInfo
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- CN110762588B CN110762588B CN201911048492.0A CN201911048492A CN110762588B CN 110762588 B CN110762588 B CN 110762588B CN 201911048492 A CN201911048492 A CN 201911048492A CN 110762588 B CN110762588 B CN 110762588B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D11/00—Central heating systems using heat accumulated in storage masses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a combined heating system of an oil-fired auxiliary boiler and a waste gas boiler, wherein a PLC (programmable logic controller) is connected with a wireless communication module; when the heat supply demand is not much, the heat transmitted by the first heat storage module is detected, when the heat does not reach the value set by the PLC control module, the first electromagnetic valve is closed through the control of the PLC controller, the second electromagnetic valve is controlled to be opened, the first heat storage module is closed, the heat stored by the second heat storage module is transmitted to the transmission module, when the heat of the second heat storage module does not reach the value set by the PLC controller, the first heat storage module is closed, when the heat supply demand is much, the first electromagnetic valve and the second electromagnetic valve can be simultaneously opened through the PLC control module, the heat storage module and the oil-fired boiler simultaneously convey the heat for heat supply, the situation that the oil-fired auxiliary boiler does not need much heat is avoided, the waste of collected heat energy is caused, the loss of the heat energy is caused, and the use efficiency of the heat energy is improved.
Description
Technical Field
The invention relates to the technical field of boiler heat supply, in particular to a combined heat supply system of an oil-fired auxiliary boiler and a waste gas boiler.
Background
An exhaust gas boiler, wherein the generated steam is mainly used for heating oil and supplying domestic steam; on the diesel engine ship, it is installed on the diesel engine exhaust pipe on the top of the cabin, and when the main engine enters the rated working condition, it is put into operation, and its evaporation capacity is determined according to the power emitted by the diesel engine; the evaporation capacity of the ocean cargo ship exhaust gas boiler is about 2t/h, and when the generated steam is only used for heating fuel oil, lubricating oil and domestic steam, the exhaust gas boiler can not only fully utilize the waste heat of the flue gas, but also play a role in silencing; the form of the waste gas boiler is mostly a vertical tube type fire tube boiler or a coiled pipe type forced circulation boiler; the combined heat supply system can be independently used as steam supply equipment, and also can be used as additional heat supply of an oil-fired auxiliary boiler, a large amount of collected heat in the existing exhaust gas boiler is uniformly supplied with heat by combining with the oil-fired auxiliary boiler, when the oil-fired auxiliary boiler does not need more heat, waste of collected heat energy is caused, loss of heat energy is caused, and the use efficiency of the heat energy is reduced.
Disclosure of Invention
The invention aims to provide a combined heating system of an oil-fired auxiliary boiler and a waste gas boiler, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a combined heating system of a fuel-assisted boiler and an exhaust gas boiler comprises a PLC control module, a data storage module, a wireless communication module, a man-machine interaction module, a centralized display module, an alarm control module, a boiler detection module, the fuel-fired boiler, the exhaust gas boiler, a flue gas exhaust pipe, a flue gas processing module, a heat collection module, a heat storage module, a temperature sensor and a heat release module, wherein the PLC controller is connected with the wireless communication module, the wireless communication module is connected with the man-machine interaction module, the man-machine interaction module is connected with the centralized display module, the PLC controller is connected with the data storage module in an interactive way, the flue gas exhaust pipe is arranged on an exhaust pipe of the exhaust gas boiler, the flue gas exhaust pipe is connected with the flue gas processing module, and the flue gas processing module is connected with the heat collection module, the heat collecting module comprises a first-stage heat exchange module, a second-stage heat exchange module, a first working medium pipeline and a second working medium pipeline, the heat energy storage module comprises a first heat storage module, a second heat storage module, a first electromagnetic valve and a second electromagnetic valve, the first working medium pipeline is connected with the first heat storage module, the second working medium pipeline is connected with the second heat storage module, the heat energy storage module is connected with the heat releasing module, and the fuel oil boiler is connected with the heat releasing module.
The PLC control module is used for centralized control of the heating system and centralized processing of detected data;
the flue gas treatment module is used for removing dust from flue gas discharged from the waste gas boiler, and then filtering impurities and adsorbing harmful odor by using a multi-medium filter and an activated carbon filter;
the heat collecting module is used for collecting heat in the flue gas, which is subjected to heat exchange with the secondary heat exchange module through the primary heat exchange module;
the heat storage module is used for respectively and independently storing the heat collected by the primary heat exchange module and the secondary heat exchange module into the first heat storage module and the second heat storage module;
the alarm control module is used for carrying out voice broadcast on the abnormal information received by the PLC control module in a voice mode;
the manual interaction module is used for enabling the PLC control module to receive the data of the wireless communication module and displaying the data on a display through the centralized display module;
the data storage module is used for storing the data acquired by the PLC control module through other modules.
As further preferable in the present technical solution: the flue gas treatment module comprises a flue gas dust remover, a multi-media filter and an activated carbon filter, wherein the flue gas dust remover, the multi-media filter and the activated carbon filter are arranged at one end of an exhaust port of the flue gas exhaust pipe.
As further preferable in the present technical solution: the first-stage heat exchange module is arranged in the first working medium pipeline, and the second-stage heat exchange module is arranged in the second working medium pipeline.
As further preferable in the present technical solution: the temperature sensor is installed in the heat release pipeline of the first heat storage module and the second heat storage module, and the temperature sensor is connected with the PLC control module.
As further preferable in the present technical solution: the first electromagnetic valve is connected with the PLC control module, and the second electromagnetic valve is connected with the PLC controller.
As further preferable in the present technical solution: the heat release module comprises a heat release module and a heat delivery module, and the heat release module is connected with the heat delivery module.
As further preferable in the present technical solution: the boiler detection module is connected with the PLC control module, and the boiler detection module is connected with the oil-fired boiler module.
As further preferable in the present technical solution: the PLC control module is connected with the alarm control module, the alarm control module comprises an alarm information receiving module, an information processing module and a voice alarm module, the alarm information receiving module is connected with the information processing module, and the information processing module is connected with the voice alarm module.
Compared with the prior art, the invention has the beneficial effects that: when the heat supply demand is not much, the heat transmitted by the first heat storage module is detected, when the heat does not reach the value set by the PLC control module, the first electromagnetic valve is closed through the control of the PLC controller, the second electromagnetic valve is controlled to be opened, the first heat storage module is closed, the heat stored by the second heat storage module is transmitted to the transmission module, when the heat of the second heat storage module does not reach the value set by the PLC controller, the first heat storage module is closed, when the heat supply demand is much, the first electromagnetic valve and the second electromagnetic valve can be simultaneously opened through the PLC control module, the heat storage module and the oil-fired boiler simultaneously convey the heat for heat supply, the situation that the oil-fired auxiliary boiler does not need much heat is avoided, the waste of collected heat energy is caused, the loss of the heat energy is caused, and the use efficiency of the heat energy is improved.
Drawings
FIG. 1 is a block diagram of a system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a boiler and exhaust gas boiler's joint heating system is assisted to fuel, including PLC control module, data storage module, wireless communication module, man-machine interaction module, centralized display module, alarm control module, boiler detection module, oil fired boiler, exhaust gas boiler, the flue gas calandria, flue gas treatment module, the heat collection module, heat storage module, a weighing sensor and a heat release module, the PLC controller is connected with wireless communication module, wireless communication module is connected with man-machine interaction module, man-machine interaction module and centralized display module, the PLC controller is connected with data storage module is interactive, the flue gas calandria is installed in exhaust gas boiler's blast pipe, the flue gas calandria is connected with flue gas treatment module, flue gas treatment module is connected with heat collection module, heat collection module includes one-level heat exchange module, the heat exchange, The heat energy storage module comprises a first heat storage module, a second heat storage module, a first electromagnetic valve and a second electromagnetic valve, the first working medium pipeline is connected with the first heat storage module, the second working medium pipeline is connected with the second heat storage module, the heat energy storage module is connected with the heat release module, and the fuel boiler is connected with the heat release module.
The PLC control module is used for centralized control of the heating system and centralized processing of detected data;
the flue gas treatment module is used for removing dust from flue gas discharged from the waste gas boiler, and then filtering impurities and adsorbing harmful odor by using a multi-medium filter and an activated carbon filter;
the heat collecting module is used for collecting heat in the flue gas, which is subjected to heat exchange through the primary heat exchange module and the secondary heat exchange module;
the heat storage module is used for respectively and independently storing the heat collected by the primary heat exchange module and the secondary heat exchange module into the first heat storage module and the second heat storage module;
the alarm control module is used for carrying out voice broadcast on the abnormal information received by the PLC control module in a voice mode;
the manual interaction module is used for enabling the PLC control module to receive data of the wireless communication module and displaying the data on the displayer through the centralized display module;
the data storage module is used for storing data acquired by the PLC control module through other modules.
In this embodiment, specifically: the flue gas treatment module comprises a flue gas dust remover, a multi-medium filter and an activated carbon filter, wherein the flue gas dust remover, the multi-medium filter and the activated carbon filter are arranged at one end of an exhaust port of a flue gas exhaust pipe, and are arranged at a flue gas pipeline through the flue gas dust remover, the multi-medium filter and the activated carbon filter, so that dust and impurities in flue gas are filtered and harmful odor is adsorbed.
In this embodiment, specifically: the first-stage heat exchange module is arranged in the first working medium pipeline, the second-stage heat exchange module is arranged in the second working medium pipeline, the first-stage heat exchange module heats working media in the first working medium pipeline and then conveys the working media to the first heat storage module, and the second-stage heat exchange module heats working media in the second working medium pipeline and then conveys the working media to the second heat storage module to store heat independently.
In this embodiment, specifically: the temperature sensor is arranged on a heat release pipeline of the first heat storage module and the second heat storage module, the temperature sensor is connected with the PLC control module, when the heat supply demand is not much, the first heat storage module and the second heat storage module can be in an open-close state, the heat transmitted by the first heat storage module is detected through the temperature sensor, when the heat does not reach the original value set by the PLC control module, the PLC controller is used for controlling the first electromagnetic valve to be closed and controlling the second electromagnetic valve to be opened, the first heat storage module is closed, the heat stored by the second heat storage module is transmitted to the transmission module, otherwise, when the temperature sensor detects that the heat of the second heat storage module does not reach the value set by the PLC controller, the PLC controller is used for closing the second electromagnetic valve and opening the first electromagnetic valve, when the heat supply demand is much, the first electromagnetic valve and the second electromagnetic valve can be opened simultaneously through the PLC control module, so that the first heat storage module and the second heat storage module can simultaneously convey heat.
In this embodiment, specifically: the first electromagnetic valve is connected with the PLC control module, the second electromagnetic valve is connected with the PLC controller, the PLC controller is used for respectively controlling the opening and closing of the first electromagnetic valve and the second electromagnetic valve, the heat quantity conveyed by the first heat storage module and the second heat storage module is controlled, the second electromagnetic valve is closed when the first electromagnetic valve is opened, and otherwise, the second electromagnetic valve is opened when the first electromagnetic valve is closed.
In this embodiment, specifically: the heat releasing module comprises a heat releasing module and a heat conveying module, the heat releasing module is connected with the heat conveying module, heat conveyed by the heat storing module is released through the heat releasing module of the heat releasing module and is conveyed to heat supply equipment required by the heat conveying module, heat generated by the oil-fired boiler is connected with the heat releasing module, and heat conveying is carried out on the heat of the waste gas boiler and the heat of the oil-fired boiler together through the heat conveying module.
In this embodiment, specifically: boiler detection module is connected with PLC control module, and boiler detection module is connected with oil fired boiler module, detects the pressure in the oil fired boiler through boiler detection module, and when pressure in the oil fired boiler was higher than PLC controller predetermined value, give alarm control module with information transmission by PLC control module.
In this embodiment, specifically: the PLC control module is connected with the alarm control module, the alarm control module comprises an alarm information receiving module, an information processing module and a voice alarm module, the alarm information receiving module is connected with the information processing module, the information processing module is connected with the voice alarm module, the information transmitted by the PLC controller is received by the alarm information module, the information is sent to the information processing module by the alarm information module, the received information is processed into character information by the information processing module, and the information is alarmed by the voice alarm module, so that a worker can know the condition in time.
Working principle or structural principle, when in use, when the flue gas of the exhaust gas boiler is discharged, dust and impurities in the flue gas are filtered and harmful odor is adsorbed through a flue gas dust remover, a multi-medium filter and an activated carbon filter, then heat is respectively transmitted to a first heat storage module and a second heat storage module through a first-stage heat exchange module and a second-stage heat exchange module, a PLC controller is used for respectively controlling the opening and closing of a first electromagnetic valve and a second electromagnetic valve and controlling the heat transmitted by the first heat storage module and the second heat storage module, when the first electromagnetic valve is opened, the second electromagnetic valve is closed, otherwise, when the first electromagnetic valve is closed, the second electromagnetic valve is opened, when the heat supply demand is not much, the first heat storage module and the second heat storage module can be in an open-closed state, and the heat transmitted by the first heat storage module is detected through a temperature sensor, when the heat quantity does not reach the original value set by the PLC control module, the first electromagnetic valve is controlled to be closed by the PLC controller, the second electromagnetic valve is controlled to be opened, the first heat storage module is closed, the heat quantity stored by the second heat storage module is transmitted to the transmission module, otherwise, when the temperature sensor detects that the heat quantity of the second heat storage module does not reach the value set by the PLC controller, the PLC controller closes the second electromagnetic valve and opens the first electromagnetic valve, when the heat supply demand is large, the first electromagnetic valve and the second electromagnetic valve can be simultaneously opened by the PLC control module, the first heat storage module and the second heat storage module can simultaneously transmit heat quantity, the heat quantity storage module and the heat quantity generated by the oil-fired boiler simultaneously enter the heat release module, the heat quantity of the waste gas boiler and the oil-fired boiler are simultaneously transmitted and supplied by the heat transmission module, when the pressure in the oil-fired boiler is higher than the preset value of the PLC controller, the PLC control module transmits information to the alarm control module, the alarm information module receives the information transmitted by the PLC controller, the alarm information module sends the information to the information processing module, the information processing module processes the received information into character information, and the voice alarm module gives an alarm to enable a worker to know the pressure condition of the boiler in time.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A combined heating system of a fuel-assisted boiler and a waste gas boiler is characterized by comprising a PLC control module, a data storage module, a wireless communication module, a man-machine interaction module, a centralized display module, an alarm control module, a boiler detection module, the fuel-fired boiler, the waste gas boiler, a flue gas exhaust pipe, a flue gas processing module, a heat collecting module, a heat storage module, a temperature sensor and a heat release module, wherein the PLC controller is connected with the wireless communication module, the wireless communication module is connected with the man-machine interaction module, the man-machine interaction module is connected with the centralized display module, the PLC controller is interactively connected with the data storage module, the flue gas exhaust pipe is arranged on an exhaust pipe of the waste gas boiler, and the flue gas exhaust pipe is connected with the flue gas processing module, the flue gas processing module is connected with the heat collecting module, the heat collecting module comprises a primary heat exchange module, a secondary heat exchange module, a first working medium pipeline and a second working medium pipeline, the heat storage module comprises a first heat storage module, a second heat storage module, a first electromagnetic valve and a second electromagnetic valve, the first working medium pipeline is connected with the first heat storage module, the second working medium pipeline is connected with the second heat storage module, the heat storage module is connected with the heat releasing module, and the fuel oil boiler is connected with the heat releasing module;
the PLC control module is used for centralized control of the heating system and centralized processing of detected data;
the flue gas treatment module is used for removing dust from flue gas discharged from the waste gas boiler, and then filtering impurities and adsorbing harmful odor by using a multi-medium filter and an activated carbon filter;
the heat collecting module is used for collecting heat in the flue gas, which is subjected to heat exchange with the secondary heat exchange module through the primary heat exchange module;
the heat storage module is used for respectively and independently storing the heat collected by the primary heat exchange module and the secondary heat exchange module into the first heat storage module and the second heat storage module;
the alarm control module is used for carrying out voice broadcast on the abnormal information received by the PLC control module in a voice mode;
the human-computer interaction module is used for enabling the PLC control module to receive the data of the wireless communication module and displaying the data on a display through the centralized display module;
the data storage module is used for storing the data acquired by the PLC control module through other modules.
2. A combined heat supply system for an oil-fired auxiliary boiler and a waste gas boiler as claimed in claim 1, wherein: the flue gas treatment module comprises a flue gas dust remover, a multi-media filter and an activated carbon filter, wherein the flue gas dust remover, the multi-media filter and the activated carbon filter are arranged at one end of an exhaust port of the flue gas exhaust pipe.
3. A combined heat supply system for an oil-fired auxiliary boiler and a waste gas boiler as claimed in claim 1, wherein: the first-stage heat exchange module is arranged in the first working medium pipeline, and the second-stage heat exchange module is arranged in the second working medium pipeline.
4. A combined heat supply system for an oil-fired auxiliary boiler and a waste gas boiler as claimed in claim 1, wherein: the temperature sensor is installed in the heat release pipeline of the first heat storage module and the second heat storage module, and the temperature sensor is connected with the PLC control module.
5. A combined heat supply system for an oil-fired auxiliary boiler and a waste gas boiler as claimed in claim 1, wherein: the first electromagnetic valve is connected with the PLC control module, and the second electromagnetic valve is connected with the PLC controller.
6. A combined heat supply system for an oil-fired auxiliary boiler and a waste gas boiler as claimed in claim 1, wherein: the heat release module comprises a heat release module and a heat delivery module, and the heat release module is connected with the heat delivery module.
7. A combined heat supply system for an oil-fired auxiliary boiler and a waste gas boiler as claimed in claim 1, wherein: the boiler detection module is connected with the PLC control module, and the boiler detection module is connected with the oil-fired boiler module.
8. A combined heat supply system for an oil-fired auxiliary boiler and a waste gas boiler as claimed in claim 1, wherein: the PLC control module is connected with the alarm control module, the alarm control module comprises an alarm information receiving module, an information processing module and a voice alarm module, the alarm information receiving module is connected with the information processing module, and the information processing module is connected with the voice alarm module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911048492.0A CN110762588B (en) | 2019-10-31 | 2019-10-31 | Combined heating system of fuel auxiliary boiler and waste gas boiler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911048492.0A CN110762588B (en) | 2019-10-31 | 2019-10-31 | Combined heating system of fuel auxiliary boiler and waste gas boiler |
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| CN110762588A CN110762588A (en) | 2020-02-07 |
| CN110762588B true CN110762588B (en) | 2021-04-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN200958860Y (en) * | 2006-09-23 | 2007-10-10 | 周伟初 | Water-feeding system connected with solar boiler |
| DE102007014846B4 (en) * | 2007-03-28 | 2012-09-27 | Robert Bosch Gmbh | Thermochemical heat storage, heating system with a thermochemical heat storage and use of the heating system |
| DE202014105186U1 (en) * | 2014-10-29 | 2014-11-13 | Josef Reiter | heating system |
| CN108488877B (en) * | 2018-01-03 | 2019-11-26 | 上海今日能源工程有限公司 | It is a kind of for steam power plant and the hold over system of distributed trilogy supply gas turbine |
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