CN213421127U - Landfill gas torch waste heat utilization system - Google Patents
Landfill gas torch waste heat utilization system Download PDFInfo
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- CN213421127U CN213421127U CN202021261397.7U CN202021261397U CN213421127U CN 213421127 U CN213421127 U CN 213421127U CN 202021261397 U CN202021261397 U CN 202021261397U CN 213421127 U CN213421127 U CN 213421127U
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- China
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- hot water
- landfill gas
- waste heat
- heat utilization
- torch
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model discloses a landfill gas torch waste heat utilization system, converge the intercommunication with landfill gas trunk line and be provided with the straight row bleeder line of landfill gas burning and the waste heat utilization bleeder line of landfill gas burning and set up valve control separately, the butt joint is provided with straight row torch combustor and straight row flue on the straight row bleeder line of landfill gas burning in proper order, the butt joint is provided with waste heat utilization torch combustor on the straight row bleeder line of landfill gas burning in proper order, flue gas hot water heat transfer system and exhaust flue, flue gas hot water heat transfer system includes flue gas hot water heat exchanger, hot water storage water tank and feed pump. The system can flexibly and effectively utilize the heat generated by burning the landfill gas torch to produce hot water for sale, saves energy and increases economic benefits.
Description
Technical Field
The utility model relates to a landfill gas technical field especially relates to a landfill gas torch waste heat utilization system.
Background
The Tianziling refuse landfill is a large valley type refuse landfill, and the refuse landfill generates about thousands of meters3The/h landfill gas is directly discharged into the atmosphere through torch combustion, and the resource waste is huge. If the heat generated by burning the landfill gas is utilized, great economic benefits can be generated. According to market research, the heat generated by burning the landfill gas torch can be used for generating hot water, and the hot water is sold to nearby demand users, so that great economic benefits can be generated. According to the current situation of field operation, a torch system suitable for an operation field is modified, and the purpose of recovering and utilizing the waste heat of the torch is achieved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's is not enough, and the technical problem that solve provides a landfill gas torch waste heat utilization system, and the heat that can nimble effectual utilization landfill gas torch burning produces the hot water that is used for selling, and the energy saving increases economic benefits.
The utility model discloses a make above-mentioned technical problem solve through following technical scheme.
The landfill gas flare waste heat utilization system is communicated with a landfill gas main pipeline in a converging manner and is provided with a landfill gas combustion direct discharge branch pipeline and a landfill gas combustion waste heat utilization branch pipeline which are respectively controlled by valves, the landfill gas combustion direct discharge branch pipeline is sequentially provided with a direct discharge flare burner and a direct discharge flue in a butt joint manner, landfill gas entering the landfill gas combustion direct discharge branch pipeline directly discharges atmosphere through the direct discharge flare burner after being combusted, the landfill gas combustion waste heat utilization branch pipeline is sequentially provided with a waste heat utilization flare burner, a smoke hot water heat exchange system and an exhaust flue in a butt joint manner, the smoke hot water heat exchange system comprises a smoke hot water heat exchanger, a hot water storage water tank and a water feeding pump, and the landfill gas entering the landfill gas combustion waste heat utilization branch pipeline is led into the smoke hot water heat exchanger through high-temperature smoke generated after the waste heat utilization flare burner burns, the high-temperature flue gas and the cold water provided by the water feeding pump exchange heat to output low-temperature flue gas and hot water, the low-temperature flue gas is discharged into the atmosphere through the exhaust flue, and the hot water passes through the hot water storage water tank to provide hot water for users.
Preferably, cold water from a tap water pipeline provides inlet water for the flue gas hot water heat exchanger through two water feeding pumps.
Preferably, a soft water pool is arranged on the tap water pipeline.
Preferably, the hot water storage tank is provided with an overflow pressure relief opening.
Preferably, the overflow pressure relief port is connected with a pressure relief drain pipe, and the pressure relief drain pipe is communicated with a water inlet pipeline of the flue gas hot water heat exchanger.
Preferably, a hot water flow meter is arranged on a hot water outlet pipeline of the flue gas hot water heat exchanger.
The utility model has the advantages that: because the supply of the landfill gas is controlled by valves arranged in the branch pipeline for directly discharging the landfill gas combustion and the branch pipeline for utilizing the waste heat of the landfill gas combustion, the water can be only heated, the torch can be purely heated, and two pipelines can be used together, on the basis of ensuring the absolute safety of the whole system, the flexibility and the practicability are strong, and the consumption of the landfill gas can reach the maximum. The water supply pump is used for standby, the frequency conversion control of the water supply pump is carried out to adjust the water supply quantity of the flue gas hot water heat exchanger, and the system can realize real-time monitoring of hot water pressure, temperature, flow and other information and overpressure and overtemperature alarm setting. For example, the flue gas hot water heat exchanger adopts a coiled light tube heating surface, has high heat exchange efficiency and a compact structure, adopts a modular structure, is assembled in a factory and assembled on site, reduces the site construction time and the construction cost, and has stable and reliable operation and convenient and rapid maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or 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 an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a flue gas hot water heat exchange system according to an embodiment of the present invention.
Description of reference numerals: 1-main pipeline of landfill gas, 2-branch pipeline of landfill gas combustion direct discharge, 3-branch pipeline of landfill gas combustion waste heat utilization, 4-direct discharge torch burner, 5-direct discharge flue, 6-torch burner of waste heat utilization, 7-exhaust flue, 8-flue gas hot water heat exchanger, 9-hot water storage tank, 10-water feeding pump and 11-valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the utility model discloses landfill gas torch waste heat utilization system converges with landfill gas trunk line 1 and communicates and is provided with the straight row branch pipeline 2 of landfill gas burning and landfill gas burning waste heat utilization branch pipeline 3 and divides and establish valve 11 control, according to torch combustor and field structure characteristics, considers the possibility of cutting off the water and lack the water, because of flue gas hot water heat exchanger 8 can not dry combustion, so divide into two tunnel with the landfill gas and burn. Specifically, a direct-discharge flare burner 4 and a direct-discharge flue 5 are sequentially arranged on the landfill gas combustion direct-discharge branch pipeline 2 in a butt joint mode, and landfill gas entering the landfill gas combustion direct-discharge branch pipeline 2 is combusted through the direct-discharge flare burner 4 and then directly discharged into the atmosphere through the direct-discharge flue 5. Landfill gas burning waste heat utilization branch pipeline 3 goes up to dock in proper order and is provided with waste heat utilization torch combustor 6, flue gas hot water heat transfer system and exhaust flue 7, flue gas hot water heat transfer system includes flue gas hot water heat exchanger 8, hot water storage water tank 9 and feed pump 10, gets into landfill gas that landfill gas burning waste heat utilization branch pipeline 3 passes through high temperature flue gas after waste heat utilization torch combustor 6 burns is leading-in flue gas hot water heat exchanger 8, high temperature flue gas and pass through cold water heat transfer output low temperature flue gas and hot water that feed pump 10 provided, low temperature flue gas warp exhaust flue 7 exhausts the atmosphere, and hot water warp hot water storage water tank 9 provides hot water for the user. Wherein, cold water from the tap water pipeline provides water for the flue gas hot water heat exchanger 8 through two water feed pumps 10, and the flue gas hot water heat exchanger 8 can realize full automatic control, automatic continuous water feed control, and water feed pump 10 is one-used one is equipped with, and frequency conversion control to adjust the feedwater volume of heat exchanger. Furthermore, a soft water pool is arranged on the tap water pipeline. In one embodiment, the hot water storage tank 9 is provided with an overflow pressure relief opening, and further, the overflow pressure relief opening is connected with a pressure relief drain pipe, and the pressure relief drain pipe is communicated with a water inlet pipeline of the flue gas hot water heat exchanger 8. And a hot water outlet pipeline of the flue gas hot water heat exchanger 8 is provided with a hot water flowmeter.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. Landfill gas torch waste heat utilization system, characterized by: converge the flow connection with landfill gas trunk line (1) and be provided with direct discharge branch pipeline (2) of landfill gas burning and landfill gas burning waste heat utilization branch pipeline (3) and divide and establish valve (11) control, the direct discharge branch pipeline (2) of landfill gas burning is gone up and is docked in proper order and is provided with direct discharge torch combustor (4) and direct discharge flue (5), gets into the landfill gas of direct discharge branch pipeline (2) of landfill gas burning passes through direct discharge torch combustor (4) are burnt the back warp direct discharge flue (5) are atmospheric directly, the butt joint is provided with waste heat utilization torch combustor (6), flue gas hot water heat transfer system and exhaust flue (7) in proper order on landfill gas burning waste heat utilization branch pipeline (3), flue gas hot water heat transfer system includes flue gas hot water heat exchanger (8), hot water storage water tank (9) and feed pump (10), gets into the landfill gas of landfill gas burning waste heat utilization branch pipeline (3) passes through waste heat utilization torch combustor (6) (6) The high-temperature flue gas after burning is led into the flue gas hot water heat exchanger (8), the high-temperature flue gas and the cold water heat transfer that provides through the feed pump (10) export low temperature flue gas and hot water, and the low temperature flue gas is through exhaust flue (7) is discharged into the atmosphere, and the hot water is through hot water storage water tank (9) provides hot water for the user.
2. The landfill gas torch waste heat utilization system of claim 1, wherein: cold water from a tap water pipeline provides inlet water for the flue gas hot water heat exchanger (8) through two water feeding pumps (10).
3. The landfill gas torch waste heat utilization system of claim 2, wherein: and a soft water pool is arranged on the tap water pipeline.
4. The landfill gas torch waste heat utilization system of claim 1, wherein: and an overflow pressure relief opening is formed in the hot water storage water tank (9).
5. The landfill gas torch waste heat utilization system of claim 4, wherein: and the overflow pressure relief port is connected with a pressure relief drain pipe, and the pressure relief drain pipe is communicated with a water inlet pipeline of the flue gas hot water heat exchanger (8).
6. The landfill gas torch waste heat utilization system of claim 1, wherein: and a hot water outlet pipeline of the flue gas hot water heat exchanger (8) is provided with a hot water flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021261397.7U CN213421127U (en) | 2020-07-02 | 2020-07-02 | Landfill gas torch waste heat utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021261397.7U CN213421127U (en) | 2020-07-02 | 2020-07-02 | Landfill gas torch waste heat utilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213421127U true CN213421127U (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021261397.7U Active CN213421127U (en) | 2020-07-02 | 2020-07-02 | Landfill gas torch waste heat utilization system |
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| Country | Link |
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| CN (1) | CN213421127U (en) |
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2020
- 2020-07-02 CN CN202021261397.7U patent/CN213421127U/en active Active
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