CN215723486U - Boiler waste gas heating system - Google Patents

Boiler waste gas heating system Download PDF

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Publication number
CN215723486U
CN215723486U CN202122056132.4U CN202122056132U CN215723486U CN 215723486 U CN215723486 U CN 215723486U CN 202122056132 U CN202122056132 U CN 202122056132U CN 215723486 U CN215723486 U CN 215723486U
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air
air supply
supply channel
heating
exhaust gas
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CN202122056132.4U
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Chinese (zh)
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冯瑞锋
梁瑜
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Guangzhou Fufeng Environmental Protection And Energy Saving Technology Co ltd
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Guangzhou Fufeng Environmental Protection And Energy Saving Technology Co ltd
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    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage

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Abstract

The application discloses boiler waste gas heating system belongs to heating technical field. The utility model provides a boiler waste gas heating system includes: the boiler is provided with a waste gas discharge channel; the air supply channel is provided with an air inlet communicated with the outside, and the air supply channel is provided with a plurality of heating air outlets; the air inlet device is arranged in the waste gas exhaust channel and connected with the air supply channel, the heat exchange equipment is arranged in the air inlet device, the air inlet device is used for sucking outside air into the air supply channel, and the heat exchange equipment can heat the air sucked by the air inlet device by using the heat of waste gas; the temperature adjusting component is arranged in the air supply channel and used for adjusting the temperature of the heater in the air supply channel; the flow regulating valve is arranged at the heating air outlet and used for regulating the heating air flow at the heating air outlet. The utility model provides a boiler waste gas heating system, it can utilize a large amount of high temperature waste gas that the boiler produced to heat the workspace, and energy utilization is higher, is favorable to the environmental protection.

Description

Boiler waste gas heating system
Technical Field
The application relates to the technical field of heating, in particular to a boiler waste gas heating system.
Background
A boiler is an energy conversion device that converts fuel input into the boiler into steam, high-temperature water, or an organic heat carrier having a certain amount of heat energy. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. In the operation process of the boiler, a large amount of fuel is combusted, so that a large amount of waste gas with high temperature can be generated, and under the general condition, the waste gas generated by the boiler is directly purified by a purification system and then discharged, so that a large amount of heat is wasted, and the energy utilization rate is low.
SUMMERY OF THE UTILITY MODEL
The present application is directed to solving one of the technical problems in the prior art. For this reason, this application provides a boiler waste gas heating system, and it can utilize a large amount of high temperature waste gas that the boiler produced to heat the workspace, and energy utilization is higher, is favorable to the environmental protection.
The boiler exhaust gas heating system according to the present application includes:
a boiler provided with a waste gas discharge passage;
the air supply channel is provided with an air inlet communicated with the outside, and the air supply channel is provided with a plurality of heating air outlets;
the air inlet device is arranged in the exhaust gas channel and connected with the air supply channel, heat exchange equipment is arranged in the air inlet device, the air inlet device is used for sucking outside air into the air supply channel, and the heat exchange equipment can heat the air sucked by the air inlet device by using the heat of the exhaust gas;
the temperature adjusting component is arranged in the air supply channel and used for adjusting the temperature of the heating air in the air supply channel;
and the flow regulating valve is arranged at the heating air outlet and used for regulating the heating air flow at the heating air outlet.
According to the boiler waste gas heating system of the embodiment of the application, at least the following beneficial effects are achieved:
set up indirect heating equipment in hot blast blowpipe apparatus, the lower cold air of hot blast blowpipe apparatus extraction ambient temperature, indirect heating equipment utilizes the heat of the high temperature waste gas of boiler production to heat the lower cold air of temperature, then hot blast blowpipe apparatus carries the air supply passageway with the heating installation after the heating again, and the heating installation is carried to the work living area along air supply passageway, finally realizes the heating purpose. Because the temperature of the heated air heated by the heat exchange equipment is higher, the temperature regulating component is arranged in the air supply channel and used for reducing the temperature of the heated air in the air supply channel, so that the heated air can be at a proper temperature value after reaching a working living area. In addition, set up the air intake with external intercommunication in air supply channel to, set up flow control valve in heating installation air outlet department, so set up, can be according to the flow of the warm air that the temperature regulation got into work living area in work living area. Through so setting up, the heat of rational utilization boiler waste gas can reduce the consumption of the energy when realizing the heating to the work living area, is favorable to the environmental protection.
According to some embodiments of the application, the temperature adjustment assembly comprises a variable frequency fan, and the variable frequency fan can extract outside air into the air supply channel.
According to some embodiments of the application, the frequency conversion fan is provided with two, two the frequency conversion fan set gradually in on the different positions of air supply passageway.
According to some embodiments of the application, a room temperature sensor is provided at the warm air outlet.
According to some embodiments of the application, the air supply passageway includes first air supply passageway and second air supply passageway, first air supply passageway is connected air intake device with second air supply passageway, the temperature regulating subassembly set up in first air supply passageway, the air intake that is linked together with the external world is seted up to second air supply passageway, the heating air outlet set up in second air supply passageway.
According to some embodiments of the application, still be provided with air conditioning conversion governing valve and warm air conversion governing valve, air conditioning conversion governing valve set up in the air intake department of second air supply passageway, warm air conversion governing valve set up in first air supply passageway with the junction of second air supply passageway.
According to some embodiments of the present application, a constant temperature sensor is provided in the first air supply passage, the constant temperature sensor being provided near the heating air conversion adjustment valve.
According to some embodiments of the present application, a cool air temperature sensor is provided at an air inlet of the second air supply passage.
According to some embodiments of the present application, a total warm air temperature sensor is provided in the second air supply passage.
According to some embodiments of the present application, an oxygen sensor is further disposed in the air supply passage, and the oxygen sensor is disposed between the air intake device and the temperature adjustment assembly.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a boiler waste gas heating system according to an embodiment of the present application.
Reference numerals:
a boiler 100;
an exhaust gas passage 110;
an air intake device 200;
an air supply passage 300;
a first air supply passage 310; a warm air outlet 321; an air inlet 322;
a second air supply passage 320;
a hot air main variable frequency fan 410; a constant temperature regulation variable frequency fan 420;
a heating switching regulating valve 510; a cold air conversion regulating valve 520; a flow regulating valve 530;
a constant temperature sensor 610; a cold air temperature sensor 620; a total warm air temperature sensor 630;
a room temperature sensor 640;
an oxygen sensor 700;
the heating automatic control electric cabinet 800.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, left, right, front, rear, and the like, referred to as positional or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
The boiler exhaust gas heating system of the present application is described below with reference to fig. 1.
Referring to fig. 1, the boiler exhaust gas heating system of the present application includes:
a boiler 100, the boiler 100 being provided with an exhaust gas channel 110;
the air supply channel 300 is provided with an air inlet 322 communicated with the outside in the air supply channel 300, and the air supply channel 300 is provided with a plurality of warm air outlets 321;
the air intake device 200 is arranged in the exhaust gas channel 110 and connected with the air supply channel 300, heat exchange equipment is arranged inside the air intake device 200, the air intake device 200 is used for sucking outside air into the air supply channel 300, and the heat exchange equipment can heat the air sucked by the air intake device 200 by using the heat of the exhaust gas;
the temperature adjusting component is arranged in the air supply channel 300 and used for adjusting the temperature of the heating air in the air supply channel 300;
the flow regulating valve 530 is disposed at the heating air outlet 321, and the flow regulating valve 530 is configured to regulate a heating air flow of the heating air outlet 321.
It will be appreciated that the heat exchange means may be an air heat exchanger. An air heat exchanger is provided in the exhaust gas passage 110.
It should be understood that each of the heating outlets 321 is in communication with a work and living area.
It can be understood that, an air heat exchanger is arranged in the air intake device 200, the air intake device 200 extracts cold air with lower external temperature, the air heat exchanger heats the cold air with lower temperature by using the heat of the high-temperature exhaust gas generated by the boiler 100, then the air intake device 200 conveys the heated warm air into the air supply channel 300, and the warm air is conveyed to the working living area along the air supply channel 300, so as to finally realize the heating purpose. Because the warm air temperature after the air heat exchanger heating is higher, set up the temperature regulating subassembly in air supply channel 300, the temperature regulating subassembly can be with the mixed of the higher warm air of external cold air suction and temperature, realizes the cooling to the warm air in air supply channel 300, makes it can be in suitable temperature after arriving the work living area.
It should be understood that the boiler exhaust gas heating system further includes an electric heating automatic control cabinet 800, and the electric heating automatic control cabinet 800 is electrically connected to the temperature adjustment assembly and the flow regulating valve 530, so as to electrically control the temperature adjustment assembly and the flow regulating valve 530.
In addition, an air inlet 322 communicated with the outside is arranged in the air supply channel 300, and the air inlet 322 is arranged to draw outside air into the air supply channel 300, so that the warm air in the air supply channel 300 is kept fresh, and meanwhile, a certain cooling and adjusting effect is also achieved on the warm air in the air supply channel 300; and, set up flow control valve 530 in heating air outlet 321, each flow control valve 530 sets up in heating air outlet 321 in second air supply channel 320, because each heating air outlet 321 connects a work life space respectively, the demand of different work life spaces to the heating installation may have a little difference, so set up, can realize carrying out individualized adjustment to the heating air flow of different work life spaces. Through so setting up, the heat of the 100 waste gases of rational utilization boilers can reduce the consumption of the energy when realizing the heating to the work living area, is favorable to the environmental protection.
Referring to fig. 1, in some embodiments of the present application, the temperature conditioning assembly includes a variable frequency fan capable of drawing ambient air into the supply air channel 300.
It can be understood that, so set up, the frequency conversion fan can be with in external cold air pump send to air supply channel 300 to the realization is to the cooling of heating installation, is that the heating installation can be in suitable temperature when reacing heating installation air outlet 321.
In some embodiments of the present application, two variable frequency fans are provided, and the two variable frequency fans are sequentially disposed at different positions of the air supply passage 300.
It can be understood that two variable frequency fans are provided, one is the main hot air variable frequency fan 410, and the other is the constant temperature adjustment variable frequency fan 420. The hot air main frequency conversion fan 410 is arranged in the air supply channel 300 and close to the air intake device 200, and is used for greatly cooling the heater so as to quickly reduce the temperature of the heater to a proper temperature range; constant temperature regulation frequency conversion fan 420 sets up in air supply channel 300 and is located hot-blast main frequency conversion fan 410 and heating air outlet 321 between for to the fine setting of heating installation temperature, reduce heating installation temperature's fluctuation, be favorable to making the heating installation keep constant temperature.
It can be understood that the heating automatic control electric cabinet 800 is electrically connected with the hot air main frequency conversion fan 410 and the constant temperature regulation frequency conversion fan 420, so as to realize the electric regulation of the electrical connection of the hot air main frequency conversion fan 410 and the constant temperature regulation frequency conversion fan 420.
Referring to fig. 1, in some embodiments of the present application, a room temperature sensor 640 is provided at the warm air outlet 321.
It can be understood that the room temperature sensor 640 is provided so that the flow regulating valve 530 can adjust the flow of warm air according to the real-time temperature of the work living area, thereby enabling the work living area to be maintained in a comfortable temperature environment.
It is understood that the room temperature sensor 640 is electrically connected to the heating thermostat 800, so that the heating thermostat 800 can control the opening degree of the flow regulating valve 530 according to the feedback of the room temperature sensor 640.
Referring to fig. 1, in some embodiments of the present disclosure, the air supply path 300 includes a first air supply path 310 and a second air supply path 320, the first air supply path 310 is connected to the air intake device 200 and the second air supply path 320, the temperature adjustment component is disposed in the first air supply path 310, the second air supply path 320 is provided with an air inlet 322 communicating with the outside, and a heating air outlet 321 is disposed in the second air supply path 320.
It can be understood that, the subassembly that adjusts the temperature sets up in first air supply channel 310, make first air supply channel 310 play the effect of carrying the heating installation, and simultaneously, set up second air supply channel 320, air intake device 200 and second air supply channel 320 are connected to first air supply channel 310, air intake 322 that is linked together with the external world is seted up to one end at second air supply channel 320, so set up, when the heating installation temperature of first air supply channel 310 is slightly high, the outside air enters into second air supply channel 320 through air intake 322, cool down the heating installation in second air supply channel 320, make its temperature more suitable, and simultaneously, the heating installation that also can make entering work living area is comparatively fresh.
Referring to fig. 1, in some embodiments of the present application, a cool air conversion adjustment valve 520 and a warm air conversion adjustment valve 510 are further provided, the cool air conversion adjustment valve 520 is disposed at the air inlet 322 of the second air supply passage 320, and the warm air conversion adjustment valve 510 is disposed at the connection between the first air supply passage 310 and the second air supply passage 320.
It is understood that the heating air conversion adjusting valve 510 is disposed at the connection between the first air supply channel 310 and the second air supply channel 320, and is used for controlling the flow of heating air into the second air supply channel 320, and when heating is not needed, the heating air conversion adjusting valve 510 is closed; the cool air converting and adjusting valve 520 is disposed at the air inlet 322 of the second air supply passage 320, and is used for controlling the flow of the outside cool air entering the second air supply passage 320.
It should be noted that the electric heating automatic control cabinet 800 is electrically connected with the heating switching regulating valve 510 and the cooling switching regulating valve 520, so as to realize electric regulation of the heating switching regulating valve 510 and the cooling switching regulating valve 520, thereby accurately controlling the mixing ratio of the heating air and the cooling air. When the warm air needs to be mixed with the cool air, the electric heating automatic control cabinet 800 can control the opening and closing of the cool air conversion regulating valve 520 and the warm air conversion regulating valve 510 at the same time to adjust the temperature of the warm air in the second air supply channel 320, so that the temperature of the warm air flowing out through the warm air outlet 321 is not too high.
Referring to fig. 1, in some embodiments of the present application, a constant temperature sensor 610 is disposed in the first air supply passage 310, and the constant temperature sensor 610 is disposed near the heating switching regulator valve 510.
It can be understood that the constant temperature sensor 610 is disposed in the first air supply passage 310 for measuring the warm air temperature of the first air supply passage 310, and at the same time, the electric warm air automatic control cabinet 800 is electrically connected to the constant temperature sensor 610, so that the electric warm air automatic control cabinet 800 can adjust the temperature adjusting unit and the warm air change-over regulating valve 510 and the cool air change-over regulating valve 520 according to the feedback result of the constant temperature sensor 610. Specifically, when the cool air converting adjustment valve 520 needs to be adjusted to deliver the outside cool air into the second air supply passage 320, the heating automatic control electric cabinet 800 can adjust the opening and closing sizes of the cool air converting adjustment valve 520 and the heating conversion adjustment valve 510 according to the feedback of the constant temperature sensor 610.
Referring to fig. 1, in some embodiments of the present application, a cool air temperature sensor 620 is provided at the air inlet 322 of the second air supply passage 320.
It can be understood that the cool air temperature sensor 620 is disposed at the air inlet 322 of the second air supply channel 320, and the electric heating automatic control cabinet 800 is electrically connected to the cool air temperature sensor 620, so as to set the cool air temperature sensor 620 for feeding back the temperature value of the external cool air to the electric heating automatic control cabinet 800, specifically, when the cool air conversion adjusting valve 520 needs to be adjusted to deliver the external cool air into the second air supply channel 320, the electric heating automatic control cabinet 800 controls the cool air conversion adjusting valve 520 and the warm air conversion adjusting valve 510 to adjust the respective opening and closing sizes according to the feedback of the cool air temperature sensor 620.
Referring to fig. 1, in some embodiments of the present application, a total warm air temperature sensor 630 is provided in the second air blowing passage 320.
It is understood that a total warm air temperature sensor 630 is disposed in the second air supply passage 320 for measuring the temperature of warm air mixed with cool air in the second air supply passage 320; meanwhile, the total heating temperature sensor 630 is electrically connected with the electric heating automatic control cabinet 800, and the total heating temperature sensor 630 feeds the result back to the electric heating automatic control cabinet 800, so that the electric heating automatic control cabinet 800 adjusts the opening and closing sizes of the air conditioning conversion regulating valve 520 and the heating conversion regulating valve 510 according to the feedback result, thereby realizing the control of the temperature of the mixed heating.
Referring to fig. 1, in some embodiments of the present application, an oxygen sensor 700 is further disposed in the air supply passage 300, and the oxygen sensor 700 is disposed between the air intake device 200 and the temperature adjustment assembly.
It can be understood that, an oxygen sensor 700 is provided, the oxygen sensor 700 is disposed in the first air supply channel 310 and located between the air intake device 200 and the hot air main frequency conversion fan 410, and the oxygen sensor 700 is electrically connected to the electric heating automatic control cabinet 800, so that the electric heating automatic control cabinet 800 can monitor the oxygen concentration of the hot air in the air supply channel 300 in real time and adjust the cold air conversion adjusting valve 520 according to the monitoring result, when the oxygen concentration in the air supply channel 300 is low, the cold air conversion adjusting valve 520 increases the flow of the cold air, and at the same time, the temperature adjusting component slightly increases the temperature of the hot air in the first air supply channel 310 to increase the oxygen content in the hot air and maintain the temperature of the hot air in the second air supply channel 320 within a proper range.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made without departing from the spirit of the present application within the knowledge of those skilled in the art.

Claims (10)

1. A boiler exhaust gas heating system, comprising:
a boiler provided with a waste gas discharge passage;
the air supply channel is provided with an air inlet communicated with the outside, and the air supply channel is provided with a plurality of heating air outlets;
the air inlet device is arranged in the exhaust gas channel and connected with the air supply channel, heat exchange equipment is arranged in the air inlet device, the air inlet device is used for sucking outside air into the air supply channel, and the heat exchange equipment can heat the air sucked by the air inlet device by using the heat of the exhaust gas;
the temperature adjusting component is arranged in the air supply channel and used for adjusting the temperature of the heating air in the air supply channel;
and the flow regulating valve is arranged at the heating air outlet and used for regulating the heating air flow at the heating air outlet.
2. The boiler exhaust gas heating system according to claim 1, characterized in that: the temperature adjusting assembly comprises a variable frequency fan, and the variable frequency fan can extract outside air into the air supply channel.
3. The boiler exhaust gas heating system according to claim 2, characterized in that: the frequency conversion fan is provided with two, two the frequency conversion fan set gradually in on the different positions of air supply passageway.
4. The boiler exhaust gas heating system according to claim 1, characterized in that: and a room temperature sensor is arranged at the air outlet of the heating air.
5. The boiler exhaust gas heating system according to claim 1, characterized in that: the air supply channel comprises a first air supply channel and a second air supply channel, the first air supply channel is connected with the air inlet device and the second air supply channel, the temperature adjusting assembly is arranged in the first air supply channel, the second air supply channel is provided with an air inlet communicated with the outside, and the heating air outlet is arranged in the second air supply channel.
6. The boiler exhaust gas heating system according to claim 5, characterized in that: still be provided with air conditioning conversion governing valve and warm air conversion governing valve, air conditioning conversion governing valve set up in the air intake department of second air supply passageway, warm air conversion governing valve set up in first air supply passageway with the junction of second air supply passageway.
7. The boiler exhaust gas heating system according to claim 6, characterized in that: and a constant temperature sensor is arranged in the first air supply channel and is arranged close to the heating conversion regulating valve.
8. The boiler exhaust gas heating system according to claim 6, characterized in that: and a cold air temperature sensor is arranged at an air inlet of the second air supply channel.
9. The boiler exhaust gas heating system according to claim 5, characterized in that: and a total heating air temperature sensor is arranged in the second air supply channel.
10. The boiler exhaust gas heating system according to claim 1, characterized in that: an oxygen sensor is also arranged in the air supply channel and is arranged between the air inlet device and the temperature adjusting component.
CN202122056132.4U 2021-08-27 2021-08-27 Boiler waste gas heating system Active CN215723486U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122056132.4U CN215723486U (en) 2021-08-27 2021-08-27 Boiler waste gas heating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122056132.4U CN215723486U (en) 2021-08-27 2021-08-27 Boiler waste gas heating system

Publications (1)

Publication Number Publication Date
CN215723486U true CN215723486U (en) 2022-02-01

Family

ID=80008849

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122056132.4U Active CN215723486U (en) 2021-08-27 2021-08-27 Boiler waste gas heating system

Country Status (1)

Country Link
CN (1) CN215723486U (en)

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