CN213090130U - Energy-saving low-nitrogen boiler - Google Patents
Energy-saving low-nitrogen boiler Download PDFInfo
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- CN213090130U CN213090130U CN202021937574.9U CN202021937574U CN213090130U CN 213090130 U CN213090130 U CN 213090130U CN 202021937574 U CN202021937574 U CN 202021937574U CN 213090130 U CN213090130 U CN 213090130U
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Abstract
The utility model belongs to the technical field of burner, in particular to energy-conserving low-nitrogen boiler. Comprises a furnace body, wherein the upper end of the inner cavity of the furnace body is provided with at least one water inlet pipe; a plurality of coolers are arranged at the middle upper part of the inner cavity of the furnace body in a staggered manner; the lower part of the inner cavity of the furnace body is provided with at least one flame spraying pipe which is positioned below the lowest-layer cooler; one end of the flame spraying pipe extends out of the side wall of the furnace body and is communicated with an opposite gasification burner arranged outside the furnace body, and the other end of the flame spraying pipe points to a flame diffuser; the flame diffuser is fixed on the inner wall of the furnace body; a water outlet pipe is arranged at the bottom of the inner cavity of the furnace body; the top of the furnace body is provided with a chimney. The gasification burner sprays flame into the flame spraying pipe, the flame flows in the opposite directions of the periphery and the flame diffuser in sequence through the flame diffuser, exchanges heat with water at the upper end and the lower end of the furnace body, then the chimney discharges, hot gas is contacted with cold water uniformly dropped by the cooler above, the effects of exchanging heat and cleaning smoke are achieved, the hot gas falls below the water and is discharged through the water outlet pipe.
Description
Technical Field
The utility model belongs to the technical field of burner, in particular to energy-conserving low-nitrogen boiler.
Background
The boiler is separated into the cavity through the metal tube or with the furnace body to separate water from high temperature flame, flue gas, carry out the heat exchange with heat-conduction mode, not only the structure is complicated, and its heat exchange efficiency completely depends on the coefficient of heat conductivity and the effective heated area of metal tubular product, and the heat exchange efficiency is influenced to the heat transfer effect is not good, and the energy is discharged along with the flue gas, and then extravagant. And scale is easy to generate to influence the heat exchange efficiency.
The drain pipe can only discharge the hot water near the drain pipe water inlet in the boiler, and the water does not flow, and each position temperature difference is great, leads to local high temperature, not only extravagant energy, still will lead to local high temperature, and the boiler burns out.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy-conserving low-nitrogen boiler to solve the problem that boiler heat exchange efficiency is low at least.
The utility model adopts the technical proposal that: an energy-saving low-nitrogen boiler comprises a boiler body, wherein the upper end of the inner cavity of the boiler body is provided with at least one water inlet pipe;
a plurality of coolers are arranged at the middle upper part of the inner cavity of the furnace body in a staggered manner;
the lower part of the inner cavity of the furnace body is provided with at least one flame spraying pipe which is positioned below the lowest-layer cooler;
one end of the flame spraying pipe extends out of the side wall of the furnace body and is communicated with an opposite gasification burner arranged outside the furnace body, and the other end of the flame spraying pipe points to a flame diffuser; the flame diffuser is fixed on the inner wall of the furnace body;
a water outlet pipe is arranged at the bottom of the inner cavity of the furnace body;
and a chimney is arranged at the top of the furnace body.
Furthermore, a sewage draining outlet is formed in the lower end of the side wall of the furnace body.
Furthermore, one end of the water outlet pipe extends out of the side wall of the furnace body, the other end of the water outlet pipe is bent upwards, and a water absorber is arranged at the top end of the water outlet pipe.
Furthermore, the water absorber comprises a bottom plate and an upper cover, a water inlet is formed in the center of the bottom plate, and flow deflectors are uniformly distributed between the water inlet and the edge of the upper cover.
Furthermore, a water replenishing port is arranged on the side wall of the furnace body, and an overflow port is arranged at the lower end of the water replenishing port.
Furthermore, a water level switch is arranged on the side wall of the furnace body.
Further, the flame spraying pipe is positioned above the water level line.
Further, the flame diffuser comprises a base and a top plate, the diameter of the base is larger than that of the top plate, the top plate is hemispherical, and the edges of the top plate and the base are connected through an arc-shaped fire guide plate;
and a plurality of reinforcing supports are arranged between the arc-shaped fire guide plate and the base.
Further, the water replenishing port, the water level switch and the overflow port are arranged on the side wall of the furnace body shielded by the flame diffuser.
In this application, gasification combustor is to spouting intraductal blowout flame of flame projecting, and flame flows in the opposite direction of flame diffuser around to in proper order, with the water heat transfer of furnace body upper end and lower extreme, then the chimney discharges, and the even cold water contact that drips of steam and top cooler reaches the effect of heat transfer and clean flue gas, falls the below under water, discharges through the outlet pipe.
The flame diffuser can be with the flame heat of gasification burning towards 360 in the large tracts of land diffusion boiler, make fire and water fully melt, cold water in the boiler will heat up fast, high-efficient promotion heat conversion efficiency, it is energy-conserving to see in fact.
The water absorber can uniformly fuse cold water and hot water in the boiler, so that the phenomenon of uneven dead angles of cold and hot water at the bottom of the boiler is avoided, heated water is conveyed out to the maximum extent, the energy heat conversion efficiency is improved, and the energy is saved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the attached drawings
FIG. 1 is a schematic structural view of the energy-saving low-nitrogen boiler of the present invention;
FIG. 2 is a schematic view of the flame diffuser of the present invention;
FIG. 3 is a top view of the flame diffuser of the present invention;
FIG. 4 is a schematic structural view of the water absorber of the present invention;
fig. 5 is a schematic structural view of the bottom plate and the flow deflector of the water absorber of the present invention;
FIG. 6 is a schematic view of the structure of the upper cover of the water absorber of the present invention;
FIG. 7 is a schematic view of the structure of the cooler of the water absorber of the present invention;
the gasification furnace comprises a furnace body 1, a water outlet pipe 2, a chimney 3, a water inlet pipe 4, a cooler 5, a flame spraying pipe 6, a gasification combustor 7, a flame diffuser 8, a base 810, a top plate 820, an arc-shaped fire guide plate 830, a reinforcing support 840, a water absorber 9, a bottom plate 910, a water inlet 911, an upper cover 920, a flow deflector 930, a sewage outlet 10, a water replenishing opening 11, a water level switch 12, an overflow opening 13, a water level line 14 and a water through hole 15.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
According to the embodiment of the utility model, fig. 1 provides a heat exchange type boiler, as shown in fig. 1, the energy-saving low-nitrogen boiler comprises a boiler body 1, wherein the upper end of the inner cavity of the boiler body 1 is provided with at least one water inlet pipe 4;
a plurality of coolers 5 are arranged at the middle upper part of the inner cavity of the furnace body 1 in a staggered manner;
the lower part of the inner cavity of the furnace body 1 is provided with at least one flame spraying pipe 6, the number of the water inlet pipe 4 and the flame spraying pipe 6 is determined according to the size of the furnace body 1, and the flame spraying pipe 6 is positioned below the lowest-layer cooler 5;
one end of the flame spraying pipe 6 extends out of the side wall of the furnace body 1 and is communicated with an opposite gasification burner 7 arranged outside the furnace body 1, and the other end of the flame spraying pipe 6 points to a flame diffuser 8; the flame diffuser 8 is fixed on the inner wall of the furnace body 1;
a water outlet pipe 2 is arranged at the bottom of the inner cavity of the furnace body 1;
the top of the furnace body 1 is provided with a chimney 3.
In this embodiment, the gasification burner 7 sprays flame into the flame spraying tube 6, the flame flows around and in the opposite direction of the flame diffuser 8 through the flame diffuser 8 in sequence, exchanges heat with water at the upper end and the lower end of the furnace body 1, then the chimney 3 is discharged, the hot gas contacts with cold water uniformly dropped from the upper cooler 5, the functions of exchanging heat and cleaning flue gas are achieved, the hot gas falls below the water and is discharged through the water outlet pipe 2.
Furthermore, the lower end of the side wall of the furnace body 1 is provided with a sewage outlet 10 for discharging scale and dirty matters in the furnace body 1.
Furthermore, one end of the water outlet pipe 2 extends out of the side wall of the furnace body 1, the other end of the water outlet pipe 2 is bent upwards, a water absorber 9 is arranged at the top end of the water outlet pipe, and the water absorber 9 is positioned below the water level line 14; as shown in fig. 4-6, the water absorber 9 comprises a bottom plate 910 and an upper cover 920, wherein a water inlet 911 is formed in the center of the bottom plate 910, and flow deflectors 930 are uniformly distributed between the water inlet 911 and the edge of the upper cover; the water absorber 9 can uniformly fuse cold water and hot water in the boiler, so that the phenomenon of uneven hot and cold dead angles of water at the bottom of the boiler is avoided, heated water is conveyed out to the maximum extent, the energy heat conversion efficiency is improved, and the energy is saved.
Furthermore, a water replenishing port 11 is arranged on the side wall of the furnace body 1, and an overflow port 13 is arranged at the lower end of the water replenishing port 11; a water level switch 12 is arranged on the side wall of the furnace body 1; the water level switch 12 is used for controlling the water replenishing port 4 to replenish water, when the water level is lower than the water level line 14, the water is replenished into the furnace body 1 to prevent dry burning, and when the water level is too high, the water is discharged through the overflow port 13.
Further, the flame tube 6 is located above the water level line 14, preventing water from entering the flame tube 6.
Further, as shown in fig. 2 and 3, the flame diffuser 8 includes a base 810 and a top plate 820, both of which have a circular cross-section, the cross-sectional diameter of the base 810 being greater than the cross-sectional diameter of the top plate 820; the top plate 820 is hemispherical and protrudes towards the flame-spraying pipe 6, the edges of the top plate 820 and the base 810 are connected through an arc-shaped fire-guiding plate 830, and the arc-shaped fire-guiding plate 830 is inwards concave;
a plurality of reinforcing brackets 840 are arranged between the bottom surface of the arc-shaped fire guide plate 830 and the base 810;
the flame diffuser can be with the flame heat of gasification burning towards 360 in the large tracts of land diffusion boiler, make fire and water fully melt, cold water in the boiler will heat up fast, high-efficient promotion heat conversion efficiency, it is energy-conserving to see in fact.
Further, a water replenishing port 11, a water level switch 12 and a water overflow port 13 are provided on the side wall of the furnace body shielded by the flame diffuser 8.
Furthermore, the gasification burner 7 is a liquid high-temperature gasification burner, so that the final smoke gas contains nitrogen dioxide, nitrogen oxide and extremely low smoke dust, and the pollutant emission is greatly reduced.
Further, as shown in fig. 7, a plurality of coolers 5 are horizontally arranged at the middle upper part of the inner cavity of the furnace body 1, the length of the coolers 5 is smaller than that of the inner cavity of the furnace body 1, the width of the coolers 5 is consistent with that of the inner cavity of the furnace body 1, and the coolers 5 are uniformly provided with water through holes 15.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides an energy-conserving low nitrogen boiler, includes furnace body (1), its characterized in that:
the upper end of the inner cavity of the furnace body (1) is provided with at least one water inlet pipe (4);
a plurality of coolers (5) are arranged at the middle upper part of the inner cavity of the furnace body (1) in a staggered manner;
the lower part of the inner cavity of the furnace body (1) is provided with at least one flame spraying pipe (6), and the flame spraying pipe (6) is positioned below the lowest-layer cooler (5);
one end of the flame spraying pipe extends out of the side wall of the furnace body (1) and is communicated with an opposite gasification burner (7) arranged outside the furnace body (1), and the other end of the flame spraying pipe (6) points to a flame diffuser (8); the flame diffuser (8) is fixed on the inner wall of the furnace body (1);
a water outlet pipe (2) is arranged at the bottom of the inner cavity of the furnace body (1);
the top of the furnace body (1) is provided with a chimney (3).
2. The energy-saving low-nitrogen boiler according to claim 1, characterized in that: the lower end of the side wall of the furnace body (1) is provided with a sewage draining outlet (10).
3. The energy-saving low-nitrogen boiler according to claim 1, characterized in that: one end of the water outlet pipe (2) extends out of the side wall of the furnace body (1), the other end of the water outlet pipe (2) is bent upwards, and a water absorber (9) is arranged at the top end of the water outlet pipe.
4. The energy saving low nitrogen boiler according to claim 3, characterized in that: the water absorber (9) comprises a bottom plate (910) and an upper cover (920), a water inlet (911) is formed in the center of the bottom plate (910), and flow deflectors (930) are uniformly distributed between the water inlet (911) and the edge of the upper cover (920).
5. The energy-saving low-nitrogen boiler according to claim 1, characterized in that: the furnace body (1) is provided with a water replenishing port (11) on the side wall, and the lower end of the water replenishing port (11) is provided with an overflow port (13).
6. The energy-saving low-nitrogen boiler according to claim 1, characterized in that: the lateral wall of the furnace body (1) is provided with a water level switch (12).
7. The energy-saving low-nitrogen boiler according to claim 1, characterized in that: the flame lance (6) is located above the water line (14).
8. The energy-saving low-nitrogen boiler according to claim 1, characterized in that: the flame diffuser (8) comprises a base (810) and a top plate (820), wherein the diameter of the base (810) is larger than that of the top plate (820), the top plate (820) is hemispherical, and the edges of the top plate (820) and the base (810) are connected through an arc-shaped flame guide plate (830);
a plurality of reinforcing brackets (840) are arranged between the arc-shaped fire guide plate (830) and the base (810).
9. The energy saving low nitrogen boiler according to claim 5, characterized in that: the water replenishing port (11), the water level switch (12) and the overflow port (13) are arranged on the side wall of the furnace body (1) shielded by the flame diffuser (8).
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CN202021937574.9U CN213090130U (en) | 2020-09-08 | 2020-09-08 | Energy-saving low-nitrogen boiler |
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CN202021937574.9U CN213090130U (en) | 2020-09-08 | 2020-09-08 | Energy-saving low-nitrogen boiler |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113932445A (en) * | 2021-11-19 | 2022-01-14 | 王延海 | Alcohol-hydrogen heating heat exchange type boiler |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113932445A (en) * | 2021-11-19 | 2022-01-14 | 王延海 | Alcohol-hydrogen heating heat exchange type boiler |
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