CN212777405U - Heating system of methane direct-fired air preheater of garbage incinerator - Google Patents
Heating system of methane direct-fired air preheater of garbage incinerator Download PDFInfo
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- CN212777405U CN212777405U CN202021680310.XU CN202021680310U CN212777405U CN 212777405 U CN212777405 U CN 212777405U CN 202021680310 U CN202021680310 U CN 202021680310U CN 212777405 U CN212777405 U CN 212777405U
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Abstract
The utility model belongs to the technical field of garbage incinerators, in particular to a biogas direct-fired air preheater heating system of a garbage incinerator, which comprises an anaerobic tank, a biogas storage tank and a steam-water separator which are connected in sequence and used for providing pure biogas; the biogas is input into the direct-fired air preheater; a linear combustor is arranged in the direct-fired air preheater; the linear combustor is provided with air quantity by a combustion fan. The heating system of the garbage incinerator methane direct-fired air preheater has the effects that the methane can be preheated, and the methane is initially ignited through the linear combustor.
Description
Technical Field
The utility model belongs to the technical field of waste incinerator, concretely relates to waste incinerator marsh gas direct combustion formula air preheater heating system.
Background
Along with the rapid increase of economy, the living standard of people is gradually improved, a refuse surrounding is increasingly severe, land resources are scarce, the proportion of refuse incineration is increased year by year, in the domestic refuse incineration treatment, leachate is generated after refuse dehydration, the leachate can generate a large amount of biogas after treatment, the biogas is a convenient, clean and high-potential fuel, the domestic refuse incineration industry at present mainly treats and utilizes the biogas to enter a furnace for combustion, but in the actual use, the biogas directly enters the furnace for combustion, the energy utilization level is low, and the temperature distribution of a hearth can be uneven due to the fact that the biogas enters the furnace for combustion, and the combustion position is easy to coke.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a waste incinerator marsh gas direct combustion formula air preheater heating system to reach and to let marsh gas fully burn, the even purpose of temperature in furnace.
In order to solve the technical problem, the utility model provides a waste incinerator marsh gas direct combustion formula air preheater heating system, include: a methane supply mechanism and a direct-fired air preheater; wherein the methane supply mechanism is suitable for outputting pure methane to the direct-fired air preheater; a linear combustor is arranged in the direct-fired air preheater; and the linear combustor is provided with air quantity by a combustion fan.
Further, the biogas supply mechanism comprises: the anaerobic tank, the methane storage tank and the steam-water separator are sequentially connected; and
and the direct-fired air preheater is connected with a DCS control cabinet.
Furthermore, manual stop valves are arranged at the inlet and the outlet of the steam-water separator.
Further, the biogas of the steam-water separator is conveyed by a Roots blower;
and a first manual ball valve is arranged at the output port of the Roots blower.
Further, a flame arrester is arranged at the air inlet of the direct-fired air preheater.
Furthermore, a nitrogen purging valve, a first quick-break valve, a starting bleeding valve, a second quick-break valve, a pneumatic regulating valve and a second manual ball valve are sequentially arranged between the Roots blower and the flame arrester.
The beneficial effects of the utility model are that, the utility model discloses a direct combustion air preheater can carry out preheating to marsh gas to carry out the preliminary processing of lighting marsh gas through linear combustor, facilitate the use. The biogas can be fully combusted through the combustion fan.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
In the figure:
1. an anaerobic jar; 101. a methane storage tank; 102. a steam-water separator; 1021. a manual stop valve;
2. a direct-fired air preheater; 201. a linear burner; 202. a combustion fan; 203. a flame arrestor;
3. a DCS control cabinet;
4. a first manual ball valve;
5. a nitrogen purge valve; 501. a first snap valve; 502. starting a bleeding valve; 503. a second speed cutoff valve; 504. a pneumatic regulating valve; 505. a second manual ball valve.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are 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 work belong to the protection scope of the present invention.
Example (b):
as shown in fig. 1, a heating system of a garbage incinerator methane direct-fired air preheater comprises a methane supply mechanism, wherein the methane supply mechanism comprises: the anaerobic tank 1, the methane gas storage tank 101 and the steam-water separator 102 are connected in sequence, the anaerobic tank 1 can produce methane, the methane is stored through the methane gas storage tank 101, moisture in the methane is removed through the steam-water separator 102, and the combustibility of the methane is improved.
As shown in fig. 1, biogas is input into a direct-fired air preheater 2; a linear combustor 201 is arranged in the direct-fired air preheater 2; the linear combustor 201 is supplied with air by the combustion fan 202, so that the biogas is combusted by the linear combustor 201, and the sufficiency of the biogas combustion is improved by the combustion fan 202.
In this embodiment, in order to realize the remote operation, monitoring, fault detection, interlock protection, and one-key start/stop functions of the direct-combustion air preheater 2, the DCS control cabinet 3 is connected to the direct-combustion air preheater 2.
As shown in fig. 1, in order to manually open and close the steam separator 102, manual cut-off valves 1021 are provided at both an input port and an output port of the steam separator 102. In the embodiment, the biogas of the steam-water separator 102 is conveyed by the roots blower, so that the biogas can be continuously conveyed, and the roots blower has small vibration and high utilization rate. The output port department of roots's fan is provided with first manual ball valve 4, and the user can close roots's fan's output port.
As shown in fig. 1, a flame arrester 203 is arranged at the gas inlet of the direct-fired air pre-heater 2, so that the external cargo source is reduced, and the biogas in the direct-fired air pre-heater 2 only needs to be burnt and extended to other equipment.
As shown in FIG. 1, a nitrogen purge valve 5, a first quick-break valve 501, a starting blow-off valve 502, a second quick-break valve 503, a pneumatic regulating valve 504 and a second manual ball valve 505 are sequentially arranged between the Roots blower and the flame arrester 203. The nitrogen gas can be used as protective gas through the nitrogen gas purging valve 5, so that the methane in the pipeline is removed, and the burning and explosion of the methane are reduced. By activating the bleed valve 502, for the purpose of bleeding biogas. The second-speed stop valve 503 can quickly close the valve to seal the pipeline, thereby reducing the overflow of the biogas. The pressure of the biogas conveying pipeline can be adjusted through the pneumatic adjusting valve 504, and the condition that the biogas explodes due to overlarge pressure in the pipeline is reduced.
In conclusion, the direct-fired air preheater 2 can be used by workers to preheat the biogas and the biogas is primarily ignited by the linear burner 201, so that the direct-fired air preheater is convenient to use. The biogas can be sufficiently combusted by the combustion fan 202. After use, the second shut-off valve 503 can quickly close the valve, open the start-up bleed valve 502, and use nitrogen as the shielding gas in the pipeline. The pressure during biogas delivery can also be regulated by means of a pneumatic regulating valve 504.
All the components selected in the application are general standard components or components known by those skilled in the art, and the structure and the principle of the components can be known by technical manuals or by routine experiments.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either 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.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A heating system of a methane direct-fired air preheater of a garbage incinerator is characterized by comprising:
a methane supply mechanism and a direct-fired air preheater (2); wherein
The methane supply mechanism is suitable for outputting pure methane to the direct-fired air preheater (2);
a linear combustor (201) is arranged in the direct-fired air preheater (2); and
the linear combustor (201) is provided with air quantity by a combustion fan (202).
2. The heating system of the garbage incinerator methane direct-fired air preheater as defined in claim 1,
the biogas supply mechanism comprises: an anaerobic tank (1), a methane storage tank (101) and a steam-water separator (102) which are connected in sequence; and
the direct-fired air preheater (2) is connected with a DCS control cabinet (3).
3. The heating system of the garbage incinerator methane direct-fired air preheater as defined in claim 2,
and manual stop valves (1021) are arranged at the inlet and the outlet of the steam-water separator (102).
4. The heating system of the biogas direct-fired air preheater of the garbage incinerator as claimed in claim 3,
biogas of the steam-water separator (102) is conveyed by a Roots blower;
and a first manual ball valve (4) is arranged at the output port of the Roots blower.
5. The heating system of the biogas direct-fired air preheater of the garbage incinerator as claimed in claim 4,
and a flame arrester (203) is arranged at the gas inlet of the direct-fired air preheater (2).
6. The heating system of the biogas direct-fired air preheater of the garbage incinerator as claimed in claim 5,
and a nitrogen purging valve (5), a first quick-break valve (501), a starting blow-off valve (502), a second quick-break valve (503), a pneumatic regulating valve (504) and a second manual ball valve (505) are sequentially arranged between the Roots blower and the flame arrester (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021680310.XU CN212777405U (en) | 2020-08-11 | 2020-08-11 | Heating system of methane direct-fired air preheater of garbage incinerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021680310.XU CN212777405U (en) | 2020-08-11 | 2020-08-11 | Heating system of methane direct-fired air preheater of garbage incinerator |
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| CN212777405U true CN212777405U (en) | 2021-03-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117053204A (en) * | 2023-09-06 | 2023-11-14 | 南京正本环境工程有限公司 | Method and system for controlling special burner for garbage incineration |
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2020
- 2020-08-11 CN CN202021680310.XU patent/CN212777405U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117053204A (en) * | 2023-09-06 | 2023-11-14 | 南京正本环境工程有限公司 | Method and system for controlling special burner for garbage incineration |
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