CN212747454U - Waste heat recovery device of biogas generator set - Google Patents
Waste heat recovery device of biogas generator set Download PDFInfo
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- CN212747454U CN212747454U CN202021541130.3U CN202021541130U CN212747454U CN 212747454 U CN212747454 U CN 212747454U CN 202021541130 U CN202021541130 U CN 202021541130U CN 212747454 U CN212747454 U CN 212747454U
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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 marsh gas generating set's waste heat recovery device, which comprises a housin, casing internal weld has the chamber that sprays, and the welding of casing one side outer wall has the intake pipe, the one end of intake pipe runs through casing one side outer wall and sprays the chamber welding, there is the water pump casing top outer wall through bolted connection, and there is the drinking-water pipe water inlet department of water pump through threaded connection, inside the bottom of drinking-water pipe runs through casing top outer wall and extends to the casing, there is the spray pipe water outlet department of water pump through threaded connection, and the bottom of spray pipe runs through the casing in proper order and sprays chamber top outer wall and extend to and spray. The utility model discloses a water pump that sets up, spray chamber and intake pipe, utilize the water pump to extract sodium hydroxide solution to spray the flue gas that sprays the intracavity portion to getting into through the intake pipe, both realized the absorption to the residual flue gas, make the sulphide in the flue gas react with alkaline solution again, consequently realized sulfur dioxide purifying effect in the flue gas.
Description
Technical Field
The utility model relates to a marsh gas generating set technical field especially relates to marsh gas generating set's waste heat recovery device.
Background
The biogas is a renewable energy source, and is mainly combustible and burnt into methane, and then odorous hydrogen sulfide is generated, when a biogas generator set generates electricity by burning the biogas, a large amount of waste heat can exist in discharged flue gas, and the hydrogen sulfide in the biogas can become sulfur dioxide after being burnt.
When the biogas generator set in the prior art carries out the flue gas waste heat recovery device, the waste heat in the flue gas has low efficiency, so that the heat is wasted, and the flue gas contains sulfur dioxide and can directly discharge to cause air pollution. Therefore, it is necessary to design a waste heat recovery device of a biogas generator set to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a waste heat recovery device of a biogas generator set.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
biogas generating set's waste heat recovery device, which comprises a housin, casing internal weld has the chamber that sprays, and casing one side outer wall weld has the intake pipe, the one end of intake pipe runs through casing one side outer wall and sprays the chamber welding, casing top outer wall has the water pump through bolted connection, and the water inlet department of water pump has the drinking-water pipe through threaded connection, the bottom of drinking-water pipe runs through casing top outer wall and extends to inside the casing, the delivery port department of water pump has the spray pipe through threaded connection, and the bottom of spray pipe runs through the casing in proper order and sprays chamber top outer wall and extend to spray intracavity portion, it has the downcomer to spray chamber bottom welding.
Further, the inside heat exchange tube that has the spiral through bolted connection and encircle of casing, and the outer wall welding of casing one side has the inlet tube, the outer wall welding of casing one side has the outlet pipe, the top and the inlet tube welding of heat exchange tube, and the bottom and the outlet pipe welding of heat exchange tube.
Furthermore, the outer wall of the bottom of the shell is welded with uniformly distributed supporting columns, and a heat insulation layer is arranged inside the shell.
Furthermore, the outer wall of the top of the shell is connected with a vacuum pump through a bolt, an air inlet of the vacuum pump is connected with the shell through a pipeline, and an air outlet of the vacuum pump is connected with an air outlet pipe through a bolt.
Furthermore, the spraying cavity is internally welded with a partition plate, the outer wall of the bottom of the partition plate is welded with uniformly distributed spray heads, and uniformly distributed through holes are formed in the top of the partition plate.
Furthermore, the outer wall of one side of the shell is welded with a liquid inlet pipe, and the outer wall of the bottom of the shell is welded with a liquid outlet pipe.
Further, the outer wall of the heat exchange tube is welded with uniformly distributed heat exchange fins, and the inner wall of the heat exchange tube is integrally formed with uniformly distributed heat dissipation plates.
The utility model has the advantages that:
1. through the water pump that sets up, spray chamber and intake pipe, utilize the water pump to extract sodium hydroxide solution to spray the flue gas that sprays intracavity portion to getting into through the intake pipe, both realized the absorption to the residual of flue gas, made the sulphide in the flue gas again to react with alkaline solution, consequently realized sulfur dioxide purifying effect in the flue gas.
2. Through the heat exchange tube, inlet tube and the outlet pipe that set up, let in the circulating water to the heat exchange tube inside through inlet tube and outlet pipe for the inside sodium hydroxide solution of casing and the inside circulating water of heat exchange tube take place hot exchange, have consequently realized flue gas waste heat recovery's effect.
3. Through shower nozzle, baffle and the through-hole that sets up, utilize the through-hole to make the chamber that sprays at baffle top communicate with each other with the shower nozzle for a plurality of shower nozzle sprays getting into baffle bottom flue gas, makes flue gas and alkaline solution intensive mixing, makes sulfur dioxide's reaction and waste heat recovery effect strengthen.
4. Through the heat exchanger fin and the heat exchanger plate that set up, utilize heat exchanger fin and heat exchanger plate to make the heat conductivility reinforcing of heat exchange tube, consequently realized the effect that biogas generating set's waste heat recovery efficiency is high.
Drawings
Fig. 1 is a schematic view of the overall structure of the waste heat recovery device of the biogas generator set provided by the utility model;
fig. 2 is a schematic sectional structure view of the waste heat recovery device of the biogas generator set provided by the utility model;
fig. 3 is a schematic structural view of a heat exchange tube of a waste heat recovery device of a biogas generator set provided by the utility model;
fig. 4 is a schematic view of the heat-insulating layer structure of the waste heat recovery device of the biogas generator set provided by the utility model.
In the figure: the heat exchanger comprises a shell 1, an air inlet pipe 2, a vacuum pump 3, an air outlet pipe 4, a liquid inlet pipe 5, a water inlet pipe 6, a water outlet pipe 7, a water pump 8, a water pumping pipe 9, a water spraying pipe 10, a support 11, a spraying cavity 12, a partition plate 13, a through hole 14, a spray head 15, a sewer pipe 16, a liquid outlet pipe 17, a heat exchange pipe 18, a heat exchange plate 19, a heat dissipation plate 20 and a heat insulation layer 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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 work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-4, the waste heat recovery device of the biogas generator set comprises a shell 1, wherein a sodium hydroxide solution is contained in the shell 1, a spraying cavity 12 is welded in the shell 1, an air inlet pipe 2 is welded on the outer wall of one side of the shell 1, the air inlet pipe 2 is welded with the shell 1 in a sealing manner, one end of the air inlet pipe 2 penetrates through the outer wall of one side of the shell 1 and is welded with the spraying cavity 12, the air inlet pipe 2 is welded with the spraying cavity 12 in a sealing manner, so that waste gas generated by the biogas generator can enter the spraying cavity 12 through the air inlet pipe 2, the outer wall of the top of the shell 1 is connected with a water pump 8 through a bolt, the model of the water pump 8 is XDP-3500, a water inlet of the water pump 8 is connected with a water pumping pipe 9 through threads, the bottom end of, and the bottom of spray pipe 10 runs through casing 1 in proper order and sprays the chamber 12 top outer wall and extend to spraying the intracavity 12 inside for water pump 8 can carry the inside sodium hydroxide solution of casing 1 into through drinking-water pipe 9 and spray pipe 10 and spray the chamber 12 inside and mix with the flue gas, make the flue gas heat the sodium hydroxide solution and sulfur dioxide in the flue gas reacts with the sodium hydroxide solution, spray chamber 12 bottom welding and have downcomer 16, the sodium hydroxide solution after being heated returns inside casing 1 through downcomer 16.
Further, the inside heat exchange tube 18 that has the spiral through bolted connection and encircle of casing 1, heat exchange tube 18 is made for the copper product, and the outer wall welding of 1 one side of casing has inlet tube 6, and the outer wall welding of 1 one side of casing has outlet pipe 7, and the top and the inlet tube 6 welding of heat exchange tube 18, and the bottom and the outlet pipe 7 welding of heat exchange tube 18 make heat exchange tube 18 let in outside circulating water through inlet tube 6 and outlet pipe 7.
Further, the supporting columns 11 which are uniformly distributed are welded on the outer wall of the bottom of the shell 1, a heat preservation layer 21 is arranged inside the shell 1, and the heat preservation layer 21 is used for preserving heat inside the shell 1.
Further, the outer wall of the top of the shell 1 is connected with a vacuum pump 3 through a bolt, the type of the vacuum pump 3 is 2HG720-43CS, the air inlet of the vacuum pump 3 is connected with the shell 1 through a pipeline, the air outlet of the vacuum pump 3 is connected with an air outlet pipe 4 through a bolt, and the vacuum pump 3 is used for providing negative pressure for the interior of the shell 1.
Further, a partition plate 13 is welded inside the spraying cavity 12, the partition plate 13 is welded with the inner wall of the spraying cavity 12 in a seamless mode, the spray heads 15 are evenly distributed on the outer wall of the bottom of the partition plate 13 in a welding mode, through holes 14 are evenly distributed in the top of the partition plate 13, and the through holes 14 correspond to the spray heads 15, so that the sodium hydroxide solution entering the top of the partition plate 13 can be sprayed out from the spray heads 15.
Further, the outer wall welding of 1 one side of casing has feed liquor pipe 5, and the outer wall welding of 1 bottom of casing has drain pipe 17, all has the valve on feed liquor pipe 5 and the drain pipe 17, and feed liquor pipe 5 and drain pipe 17 are used for the change of sodium hydroxide solution.
Further, the outer wall of the heat exchange tube 18 is welded with heat exchange fins 19 which are uniformly distributed, the inner wall of the heat exchange tube 18 is integrally formed with heat dissipation plates 20 which are uniformly distributed, and the heat exchange tube 18 is enabled to have better heat conductivity by utilizing the heat exchange fins 19 and the heat dissipation plates 20.
The working principle is as follows: when in use, sodium hydroxide solution is filled into the shell 1 through the liquid inlet pipe 5, the heat exchange pipe 18 is led into external circulating water through the water inlet pipe 6 and the water outlet pipe 7, the power supply of the water pump 8 and the vacuum pump 3 is connected, a smoke exhaust pipe of the biogas generator set is connected with the air inlet pipe 2, the vacuum pump 3 provides negative pressure for the interior of the shell 1 when in work, so that smoke enters the spraying cavity 12 through the air inlet pipe 2, the sodium hydroxide solution is extracted through the water suction pipe 9 when the water pump 8 works and is conveyed into the top of the partition plate 13 through the water spray pipe 10, the sodium hydroxide solution enters the spray head 15 through the through hole 14 on the partition plate 13, the smoke in the spraying cavity 12 is sprayed through the spray head 15, the sodium hydroxide solution reacts with sulfur dioxide in the smoke, meanwhile, the waste heat in the smoke heats the sodium hydroxide solution, and then the sodium hydroxide, the hot sodium hydroxide solution heats the circulating water inside the heat exchange tube 18 through the heat exchange tube 18, the heat exchange fins 19 and the heat exchange plates 20, so that the waste heat of the flue gas is recycled.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The waste heat recovery device of the biogas generator set comprises a shell (1) and is characterized in that a spraying cavity (12) is welded inside the shell (1), an air inlet pipe (2) is welded on the outer wall of one side of the shell (1), one end of the air inlet pipe (2) penetrates through the outer wall of one side of the shell (1) and is welded with the spraying cavity (12), the outer wall of the top of the shell (1) is connected with a water pump (8) through a bolt, and the water inlet of the water pump (8) is connected with a water pumping pipe (9) through threads, the bottom end of the water pumping pipe (9) penetrates through the outer wall of the top of the shell (1) and extends into the shell (1), a water outlet of the water pump (8) is connected with a water spraying pipe (10) through threads, and the bottom end of the spray pipe (10) penetrates through the shell (1) and the outer wall of the top of the spraying cavity (12) in sequence and extends to the inside of the spraying cavity (12), and a sewer pipe (16) is welded at the bottom of the spraying cavity (12).
2. The waste heat recovery device of the biogas generator set according to claim 1, wherein the inside of the shell (1) is connected with a spirally-surrounded heat exchange pipe (18) through a bolt, a water inlet pipe (6) is welded on the outer wall of one side of the shell (1), a water outlet pipe (7) is welded on the outer wall of one side of the shell (1), the top end of the heat exchange pipe (18) is welded with the water inlet pipe (6), and the bottom end of the heat exchange pipe (18) is welded with the water outlet pipe (7).
3. The waste heat recovery device of the biogas generator set according to claim 2, characterized in that the outer wall of the bottom of the shell (1) is welded with evenly distributed struts (11), and the shell (1) is internally provided with an insulating layer (21).
4. The waste heat recovery device of the biogas generator set according to claim 1, wherein the outer wall of the top of the housing (1) is connected with a vacuum pump (3) through a bolt, an air inlet of the vacuum pump (3) is connected with the housing (1) through a pipeline, and an air outlet of the vacuum pump (3) is connected with an air outlet pipe (4) through a bolt.
5. The waste heat recovery device of the biogas generator set according to claim 1, wherein a partition plate (13) is welded inside the spraying cavity (12), uniformly distributed spray heads (15) are welded on the outer wall of the bottom of the partition plate (13), and uniformly distributed through holes (14) are formed in the top of the partition plate (13).
6. The waste heat recovery device of the biogas generator set according to claim 1, wherein the outer wall of one side of the shell (1) is welded with a liquid inlet pipe (5), and the outer wall of the bottom of the shell (1) is welded with a liquid outlet pipe (17).
7. The waste heat recovery device of the biogas generator set according to claim 2, wherein the heat exchange tubes (18) are welded with uniformly distributed heat exchange fins (19) on the outer wall, and the heat exchange tubes (18) are integrally formed with uniformly distributed heat dissipation plates (20) on the inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021541130.3U CN212747454U (en) | 2020-07-30 | 2020-07-30 | Waste heat recovery device of biogas generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021541130.3U CN212747454U (en) | 2020-07-30 | 2020-07-30 | Waste heat recovery device of biogas generator set |
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| CN212747454U true CN212747454U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021541130.3U Active CN212747454U (en) | 2020-07-30 | 2020-07-30 | Waste heat recovery device of biogas generator set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413254A (en) * | 2021-12-08 | 2022-04-29 | 陕西亿兴嘉元科技有限公司 | Method and system for recycling hydrogenation mixed flue gas |
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2020
- 2020-07-30 CN CN202021541130.3U patent/CN212747454U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413254A (en) * | 2021-12-08 | 2022-04-29 | 陕西亿兴嘉元科技有限公司 | Method and system for recycling hydrogenation mixed flue gas |
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