CN217110025U - Novel heat exchange tube low-nitrogen condensation vacuum boiler - Google Patents
Novel heat exchange tube low-nitrogen condensation vacuum boiler Download PDFInfo
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- CN217110025U CN217110025U CN202123318773.9U CN202123318773U CN217110025U CN 217110025 U CN217110025 U CN 217110025U CN 202123318773 U CN202123318773 U CN 202123318773U CN 217110025 U CN217110025 U CN 217110025U
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Abstract
The utility model provides a novel heat exchange tube low-nitrogen condensation vacuum boiler, which relates to the technical field of boilers, and comprises a furnace body shell, wherein the furnace body shell is provided with a furnace body water volume cavity for containing water; the furnace liner is arranged on the furnace body shell; the first heat exchange element is connected with the furnace pipe and is used for enabling smoke generated by the burner to pass through and exchange heat with water in the water volume chamber of the furnace body; the condenser shell is connected with the furnace body shell; the in-process that the high temperature flue gas in the stove courage passes through first heat exchange element carries out the heat exchange with the inside water of furnace body water volume cavity, can produce vapor fast, and the high temperature flue gas passes through the flue gas condensation chamber condensation back, discharges from the exhanst gas outlet, and this boiler simple structure is convenient for use by assembly.
Description
Technical Field
The utility model relates to a boiler technical field specifically is a novel heat exchange tube low nitrogen condensation vacuum boiler.
Background
The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. The boiler is a water container heated on fire, a furnace is a place where fuel is combusted, and the boiler comprises a boiler and a furnace. 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. The boiler for supplying hot water is called a hot water boiler, is mainly used for life, and has a small amount of application in industrial production. The boiler for generating steam is called as a steam boiler, is often called as a boiler for short, and is mainly used for thermal power stations, ships, locomotives and industrial and mining enterprises.
The water heating in the basement of district, hotel, even to the swimming pool all often uses the boiler to carry out heating or provide life hot water, but current boiler structure is complicated, and be not applicable to the less place of installation space such as the basement of district, hotel, for this reason we propose the boiler of a novel structure and be applicable to the less place of space.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel heat exchange tube low nitrogen condensation vacuum boiler aims at solving the problem of mentioning in the above-mentioned background.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel heat exchange tube low-nitrogen condensation vacuum boiler comprises:
the boiler body shell is provided with a boiler body water volume chamber for containing water;
the furnace liner is arranged on the furnace body shell;
the first heat exchange element is connected with the furnace pipe and is used for enabling smoke generated by the burner to pass through and exchange heat with water in the water volume chamber of the furnace body.
The utility model adopts the further technical proposal that the device also comprises a condenser shell, wherein the condenser shell is connected with the boiler body shell, the condenser shell is provided with a condenser water volume cavity for water flow to flow in and out, and the condenser shell is provided with a flue gas condensation chamber and a flue gas outlet communicated with the flue gas condensation chamber; a second heat exchange element disposed on the condenser housing and adapted to exchange heat with water within the condenser water volume chamber.
In order to make the utility model discloses have the effect that improves heat exchange efficiency, the utility model discloses a further technical scheme does, first heat transfer component is the feather nest of tubes, the feather nest of tubes includes a plurality of feather wing pipes.
The utility model discloses a further technical scheme does, every the cross-section of feather wing pipe is from top to bottom, and the area of flue gas runner accounts for the proportion in whole cross-section and is different.
The utility model discloses a further technical scheme does, every the cross-section of feather wing pipe from top to bottom, the area of flue gas runner reduces gradually in the proportion of whole cross-section.
The utility model discloses a further technical scheme does, every the cross-section of feather wing pipe is from top to bottom, and the area of flue gas runner accounts for the proportion in whole cross-section is the same.
The further technical proposal of the utility model is that the feather wing tube is made of silicon-aluminum alloy.
In order to make the utility model discloses have the effectual effect of flue gas condensation, the utility model discloses a further technical scheme does, the axial length of stove courage is less than the diameter of stove courage.
The utility model discloses a further technical scheme does, form the flue gas surge chamber between condenser casing and the furnace body pot shell, first heat transfer element's one end and stove courage intercommunication, the other end and flue gas surge chamber intercommunication, second heat transfer element's the other end and flue gas surge chamber intercommunication.
The utility model discloses a further technical scheme does, be equipped with on the condenser casing with the condenser water inlet of flue gas condensation chamber intercommunication and with the condenser delivery port of flue gas condensation chamber intercommunication.
The utility model discloses a further technical scheme does, be connected with heat exchanger pipe case on the furnace body pot shell, heat exchanger pipe case sets up the heat exchanger steam cavity with furnace body water volume cavity intercommunication, the last heat exchanger inlet outlet that is equipped with of heat exchanger pipe case.
A further technical solution of the present invention is that the second heat exchange element is a wing tube set, and the wing tube set includes a plurality of wing tubes.
The utility model discloses a further technical scheme does, the parameter P/V more than or equal to 0.15 of boiler, wherein the unit of P is the megawatt, and the unit of V is cubic meter.
The utility model has the advantages that:
1. the in-process that the high temperature flue gas in the stove courage passes through first heat exchange element carries out the heat exchange with the inside water of furnace body water volume cavity, can produce vapor fast, and the high temperature flue gas passes through the flue gas condensation chamber condensation back, discharges from the exhanst gas outlet, and this boiler simple structure is convenient for use by assembly.
2. By arranging the wing pipes, the heat exchange area of high-temperature flue gas and water is increased, the heat exchange efficiency is improved, and the volumes of a boiler shell of the furnace body and a condenser are greatly reduced.
3. The aluminum-silicon alloy wing tube is adopted, so that heat transfer is enhanced, the adaptability to water quality is stronger, long-term operation of heat exchange of the wing tube can be ensured, and the efficiency is not obviously reduced.
Drawings
FIG. 1 is a schematic structural view of the interior of a boiler according to the present invention;
FIG. 2 is a schematic structural diagram of a first embodiment of the vane tube of the present invention;
FIG. 3 is a cross-sectional view of the wing tube of the present invention at three positions in the first embodiment;
FIG. 4 is a schematic structural diagram of a second embodiment of the wing tube of the present invention;
fig. 5 is a cross-sectional view of a second embodiment of the wing tube of the present invention in three positions.
In the figure: 1. a furnace body shell; 2. a furnace pipe; 3. a furnace body water volume chamber; 4. a first heat exchange element; 5. a second heat exchange element; 6. a condenser water volume chamber; 7. a condenser housing; 8. a water inlet of the condenser; 9. a flue gas condensing chamber; 10. a flue gas outlet; 11. a water outlet of the condenser; 12. a heat exchanger tube box; 13. a heat exchanger vapor chamber; 14. a water inlet and a water outlet of the heat exchanger; 15. a flue gas buffer chamber.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, a novel heat exchange tube low-nitrogen condensation vacuum boiler comprises:
the boiler comprises a boiler body shell 1, wherein the boiler body shell 1 is provided with a boiler body water volume chamber 3 for containing water;
a furnace pipe 2, wherein the furnace pipe 2 is arranged on the furnace body shell 1 and is used for installing a burner (not shown in the figure);
the first heat exchange element 4 is connected with the furnace pipe 2 and is used for enabling smoke generated by the burner to pass through and exchange heat with water in the furnace body water volume chamber 3;
in the embodiment, the high-temperature flue gas in the furnace pipe 2 exchanges heat with water in the furnace body water volume chamber 3 in the process of passing through the first heat exchange element 4, so that steam can be generated quickly, and the boiler is simple in structure and convenient to assemble and use; it should be noted that, when the furnace body water volume chamber 3 is in the vacuum state, the hydroenergy of its inside can produce vapor fast, preferably, the utility model discloses can adopt full premix gas combustion technique to satisfy the requirement that low nitrogen discharged.
The boiler comprises a boiler body and a boiler shell, and is characterized by further comprising a condenser shell 7, wherein the condenser shell 7 is connected with the boiler shell 1 of the boiler body, the condenser shell 7 is provided with a condenser water volume chamber 6 for enabling water to flow in and out, and the condenser shell 7 is provided with a flue gas condensation chamber 9 and a flue gas outlet 10 communicated with the flue gas condensation chamber 9; a second heat exchange element 5, the second heat exchange element 5 being provided on the condenser housing 7 and being adapted to exchange heat with water inside the condenser water volume chamber 6.
In another embodiment of the present invention, the first heat exchange element 4 is a wing tube set, the wing tube set comprises a plurality of wing tubes, and by providing the wing tubes, the heat exchange area between the high temperature flue gas and the water is increased, the heat exchange efficiency is improved, and the volume of the furnace body pot shell 1 and the condenser is substantially reduced, wherein the wing tubes are preferably single-stroke straight tubes, which can reduce the resistance to the flue gas and prolong the service life of the wing tubes.
Specifically, the cross section of each wing pipe is from top to bottom, and the proportion of the area of the flue gas flow channel in the whole cross section is different.
As shown in fig. 2 and 3, which are the first embodiment of the wing pipes, the ratio of the area of the flue gas flow passage to the whole cross section is gradually reduced from the top to the bottom of the cross section of each wing pipe.
As shown in fig. 4 and 5, which are second embodiments of the wing pipes, the cross section of each wing pipe is from top to bottom, and the ratio of the area of the flue gas flow passage to the whole cross section is the same.
Specifically, the material of the wing pipe is silicon-aluminum alloy, and the wing pipe made of the silicon-aluminum alloy is adopted, so that the heat transfer is enhanced, the adaptability to water quality is stronger, the long-term operation of heat exchange of the wing pipe can be ensured, and the efficiency is not obviously reduced.
The axial length of the furnace pipe is smaller than the diameter of the furnace pipe, the shape of the furnace pipe is flat, the number of heat exchange pipes can be increased, heat exchange efficiency is improved, the overall size of the boiler is reduced, and the boiler is suitable for various occasions with smaller installation space, such as basements and hotels in communities.
Specifically, a flue gas buffer chamber 15 is formed between the condenser shell 7 and the furnace body pot shell 1, one end of the first heat exchange element 4 is communicated with the furnace pipe 2, the other end of the first heat exchange element is communicated with the flue gas buffer chamber 15, and the other end of the second heat exchange element 5 is communicated with the flue gas buffer chamber 15.
Specifically, a condenser water inlet 8 communicated with the flue gas condensation chamber 9 and a condenser water outlet 11 communicated with the flue gas condensation chamber 9 are arranged on the condenser shell 7.
Specifically, a heat exchanger tube box 12 is connected to the furnace body shell 1, a heat exchanger steam chamber 13 communicated with the furnace body water volume chamber 3 is formed in the heat exchanger tube box 12, and a heat exchanger water inlet and outlet 14 is formed in the heat exchanger tube box 12.
Specifically, the second heat exchange element 5 is a fin tube group, and the fin tube group includes a plurality of fin tubes.
Specifically, the parameter P/V of the boiler is more than or equal to 0.15, wherein P represents power and has unit of megawatt, V represents boiler volume and has unit of cubic meter.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (13)
1. The utility model provides a novel heat exchange tube low nitrogen condensation vacuum boiler which characterized in that includes:
the boiler comprises a boiler body shell (1), wherein the boiler body shell (1) is provided with a boiler body water volume chamber (3) for containing water;
the furnace liner (2) is arranged on the furnace body shell (1);
the first heat exchange element (4) is connected with the furnace pipe (2) and is used for enabling smoke generated by the burner to pass through and exchange heat with water in the furnace body water volume chamber (3).
2. The novel heat exchange tube low-nitrogen condensation vacuum boiler as claimed in claim 1, further comprising a condenser shell (7), wherein the condenser shell (7) is connected with the boiler body shell (1), the condenser shell (7) is provided with a condenser water volume chamber (6) for water to flow in and out, the condenser shell (7) is provided with a flue gas condensation chamber (9) and a flue gas outlet (10) communicated with the flue gas condensation chamber (9);
a second heat exchange element (5), said second heat exchange element (5) being provided on the condenser housing (7) and being adapted to exchange heat with water inside the condenser water volume chamber (6).
3. A novel heat exchange tube low nitrogen condensation vacuum boiler according to claim 1, characterized in that the first heat exchange element (4) is a group of fins comprising a plurality of fin tubes.
4. A novel heat exchange tube low-nitrogen condensation vacuum boiler according to claim 3, characterized in that the cross section of each wing tube is from top to bottom, and the ratio of the area of the flue gas flow channel to the whole cross section is different.
5. The novel heat exchange tube low-nitrogen condensation vacuum boiler as claimed in claim 4, characterized in that the cross section of each wing tube is from top to bottom, and the proportion of the area of the flue gas flow channel in the whole cross section is gradually reduced.
6. A novel heat exchange tube low-nitrogen condensing vacuum boiler according to claim 3, characterized in that the cross section of each wing tube is from top to bottom, and the ratio of the area of the flue gas flow channel to the whole cross section is the same.
7. The novel heat exchange tube low-nitrogen condensation vacuum boiler as claimed in any one of claims 3 to 6, wherein the wing tubes are made of silicon-aluminum alloy.
8. The novel heat exchange tube low-nitrogen condensation vacuum boiler according to claim 1, characterized in that the axial length of the furnace is smaller than the diameter of the furnace.
9. A novel heat exchange tube low-nitrogen condensation vacuum boiler according to claim 2, characterized in that a flue gas buffer chamber (15) is formed between the condenser shell (7) and the boiler body shell (1), one end of the first heat exchange element (4) is communicated with the furnace (2), the other end is communicated with the flue gas buffer chamber (15), and the other end of the second heat exchange element (5) is communicated with the flue gas buffer chamber (15).
10. A novel heat exchange tube low-nitrogen condensation vacuum boiler according to claim 2, characterized in that the condenser shell (7) is provided with a condenser water inlet (8) communicated with the flue gas condensation chamber (9) and a condenser water outlet (11) communicated with the flue gas condensation chamber (9).
11. A novel heat exchange tube low-nitrogen condensation vacuum boiler as claimed in any one of claims 1 to 6, characterized in that a heat exchanger tube box (12) is connected to the boiler body shell (1), the heat exchanger tube box (12) is provided with a heat exchanger steam chamber (13) communicated with the boiler body water volume chamber (3), and the heat exchanger tube box (12) is provided with a heat exchanger water inlet and outlet (14).
12. A new heat exchange tube low nitrogen condensation vacuum boiler according to claim 2, characterized in that the second heat exchange element (5) is a group of fins comprising a plurality of fins tubes.
13. A novel heat exchange tube low-nitrogen condensation vacuum boiler according to any one of claims 1 to 6, characterized in that the parameter P/V of the boiler is 0.15 or more, wherein the unit of P is megawatt and the unit of V is cubic meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123318773.9U CN217110025U (en) | 2021-12-27 | 2021-12-27 | Novel heat exchange tube low-nitrogen condensation vacuum boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123318773.9U CN217110025U (en) | 2021-12-27 | 2021-12-27 | Novel heat exchange tube low-nitrogen condensation vacuum boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217110025U true CN217110025U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123318773.9U Active CN217110025U (en) | 2021-12-27 | 2021-12-27 | Novel heat exchange tube low-nitrogen condensation vacuum boiler |
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| Country | Link |
|---|---|
| CN (1) | CN217110025U (en) |
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2021
- 2021-12-27 CN CN202123318773.9U patent/CN217110025U/en active Active
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