CN212615066U - Smoke-water heat exchanger for biomass power generation - Google Patents
Smoke-water heat exchanger for biomass power generation Download PDFInfo
- Publication number
- CN212615066U CN212615066U CN202020954155.XU CN202020954155U CN212615066U CN 212615066 U CN212615066 U CN 212615066U CN 202020954155 U CN202020954155 U CN 202020954155U CN 212615066 U CN212615066 U CN 212615066U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- pipe
- inlet pipe
- aeration tank
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a cigarette water heat exchanger for biomass power generation belongs to heat exchanger technical field. Directly let in the aeration tank that is equipped with the cooling water with the tail gas that biomass generator burning produced, heat directly spreads into in the cooling water in the tail gas and improves the temperature, the heat exchange efficiency of improvement heat exchanger that can be great. The high-pressure air generated by the air compressor can further enhance the flow velocity at the part with the reduced pipe diameter when passing through the specially designed air inlet pipe, so that negative pressure is generated in the negative pressure sleeve, and high-temperature flue gas in the exhaust pressure stabilizing cylinder is sucked into the air inlet pipe and then is introduced into the aeration tank for cooling and filtering by utilizing the negative pressure. Meanwhile, in order to further purify the tail gas, a floating ball is added in the aeration tank, and the floating ball is filled with filler with slow release property, so that sulfides and other pollutants contained in the tail gas can be neutralized and removed in the aeration tank.
Description
Technical Field
The utility model belongs to the technical field of the heat exchanger technique and specifically relates to a cigarette water heat exchanger for biomass power generation.
Background
The heat exchanger of the common boiler exhaust system adopts a water-gas separation heat exchange mode, the working principle is that high-temperature tail gas flows through a metal heat exchange tube and heats circulating water in the heat exchange tube, the main reason of the design is that the tail gas generated by boiler combustion contains a large amount of impurities such as dust and sulfur dioxide, the impurities cannot directly enter the circulating water, and otherwise, water body pollution can be caused. However, the disadvantage of the water-gas separation heat exchange mode is that the heat exchange efficiency is low, and the large number of heat exchange fins in the heat exchanger causes the problem of poor tail gas emission. On the other hand, biomass power generation uses a mixed gas generated by gasifying biomass to heat a stirling generator to generate power, and the mixed gas used in the biomass power generation is subjected to dust removal and desulfurization in a biomass gasifier. Dust and ash are not generated basically after the gas is combusted, and the heat in the tail gas is wasted by using a conventional water-gas heat exchanger.
SUMMERY OF THE UTILITY MODEL
The technical task of the utility model is to solve the not enough of prior art, provide a cigarette water heat exchanger for biomass power generation.
The utility model provides a technical scheme that its technical problem adopted is:
the core thought of this design is, designs a dedicated high-efficient gas heater of biomass power generation, directly lets in the aeration tank that is equipped with the cooling water with the tail gas that biomass generator burning produced, and the heat directly spreads into in the cooling water in the tail gas and improves the temperature, the heat exchange efficiency of improvement heat exchanger that can be great. Wherein, in order to strengthen the ability that tail gas passed the aeration tank, the booster based on the venturi effect has been designed to aeration tank intake pipe department, and the high-pressure air that air compressor produced can further strengthen at the pipe diameter reduces the department velocity of flow when the air-supply line of special design to produce the negative pressure in the negative pressure sleeve, the high temperature flue gas that further will exhaust in the pressure stabilizing cylinder is inhaled in the air-supply line and then is gone into aeration tank and cool down and filter.
Meanwhile, in order to further purify the tail gas, a floating ball is added in the aeration tank, and the floating ball is filled with filler with slow release property, so that sulfides and other pollutants contained in the tail gas can be neutralized and decomposed in the aeration tank.
A smoke-water heat exchanger for biomass power generation comprises an aeration tank, wherein the aeration tank is provided with an air inlet, a water outlet pipe and a water inlet pipe, the air inlet is provided with an aeration pipe, the water inlet pipe injects filtered water into the aeration tank, the water inlet pipe is provided with a feeding valve, the feeding valve injects a floating ball into the aeration tank, the floating ball is internally provided with a filler, and the surface of the floating ball is provided with a slow release hole; the aeration tank is provided with a flow guide cover, and the flow guide cover is provided with an exhaust port.
The air inlet is connected with a speed doubling pipe, the diameter of the speed doubling pipe is smaller than that of the air inlet pipe, a processing threaded hole with an equal angle is formed in the speed doubling pipe, a check valve is installed in the threaded hole, a negative pressure sleeve is installed on the part, with the check valve, of the speed doubling pipe, a first air inlet pipe, a second air inlet pipe, a third air inlet pipe and a fourth air inlet pipe are installed on the negative pressure sleeve, and the air inlet pipe is installed at an air outlet of the air compressor.
The negative pressure sleeve is connected with an exhaust pressure stabilizing cylinder through an air inlet pipe, the exhaust pressure stabilizing cylinder is connected with an exhaust port of the Stirling generator through a generator exhaust pipe, and the diameter of the exhaust pressure stabilizing cylinder is larger than that of the generator exhaust pipe.
The utility model discloses a cigarette water heat exchanger for biomass power generation, prior art compares produced beneficial effect and is:
1) compared with the traditional contact type heat exchange device, the solution type heat exchange device designed by the invention has higher heat exchange efficiency and simpler and more reliable heat exchange equipment design aiming at the tail gas of the Stirling power generation system.
2) The designed pressure boost blowback system with the Venturi effect has the advantages that the one-way valve structure can ensure that high-temperature tail gas enters the air inlet pipe from the pressure stabilizing cylinder and cannot flow back.
3) The pressure boost blowback system can accelerate the tail gas flow speed of the TELIN power generation system, improve the air flow rate in the combustor, and enhance the heat value of the combustor.
Drawings
FIG. 1 is a heat exchange flow diagram of the present invention;
FIG. 2 is a schematic diagram of the heat exchanger of the present invention;
FIG. 3 is a top view of the negative pressure sleeve of the present invention;
FIG. 4 is a front view of the negative pressure sleeve of the present invention;
FIG. 5 is a front view of the floating ball of the present invention;
the reference numerals in the figures denote:
1. the generator comprises a generator exhaust pipe, 2, an exhaust pressure stabilizing cylinder, 301, a first air inlet pipe, 302, a second air inlet pipe, 303, a third air inlet pipe, 304, a fourth air inlet pipe, 4, an air compressor, 5, an air inlet pipe, 6, a speed doubling pipe, 7, a negative pressure sleeve, 8, an aeration pipe, 9, an aeration tank, 10, an air inlet, 11, a water outlet pipe, 12, a water inlet pipe, 13, a feeding valve, 14, a floating ball, 141, a slow release hole, 15, a flow guide cover, 16, an air outlet, 17, a one-way valve, 18 and filtered water.
Detailed Description
Embodiments of the present invention will be described with reference to the accompanying drawings.
Aiming at the Stirling smoke water heat exchange system, the process flow is as follows according to the attached figure 1: the Stirling generator generates high-temperature flue gas, the flue gas exchanges heat with circulating water in a heat exchanger when passing through a flue gas-water heat exchanger, heat in the high-temperature flue gas is transferred into the circulating water, a water inlet manual gate valve, a water inlet electric valve, a water return manual gate valve and a water return electric valve are opened during normal operation, and the circulating water circularly flows in the system through a circulating water pump to form closed circulation; the circulating water heated by the flue gas is subjected to heat exchange in a heat user to be changed into low-temperature circulating water, and the low-temperature circulating water is sent into the heat exchanger for heating through the circulating water pump and enters the next circulating process; the temperature measuring points are arranged in the heat users, the temperature of the heat users and the circulating water pump are controlled in a linkage mode through the frequency conversion adjusting function of the circulating water pump according to the temperature requirements of the heat users, and the temperature required by the heat users can be automatically adjusted in real time.
A smoke-water heat exchanger for biomass power generation comprises an aeration tank 9, wherein the aeration tank 9 is provided with an air inlet 10, a water outlet pipe 11 and a water inlet pipe 12, the air inlet 10 is provided with an aeration pipe 8, the water inlet pipe 12 injects filtered water 18 into the aeration tank 10, the water inlet pipe 12 is provided with a feeding valve 13, the feeding valve 13 injects a floating ball 14 into the aeration tank 10, the floating ball 14 is filled with filler, and a slow release hole 141 is processed on the surface of the floating ball; the aeration tank 10 is provided with a flow guide cover 15, and the flow guide cover 15 is provided with an exhaust port 16.
As the first embodiment of the utility model, inlet tube 12 is connected with outside water pump, and outlet pipe 11 is connected with outside filter, and at the in-process of work, the water pump passes through inlet tube 12 to aeration tank 10 pump water, and the water through the heating in aeration tank 10 passes through outlet pipe 11 and flows out, and the inflow and the water yield in aeration tank 10 keep unanimous in the unit interval.
As the first embodiment of the present invention, the floating ball 14 in the aeration tank 10 needs to be replaced periodically, and the replacement method is to install a filter screen on the water outlet in the water outlet pipe 11 under normal conditions, so that the floating ball 14 cannot flow out through water flow, and when the floating ball needs to be replaced, the filter screen on the water outlet pipe 11 is taken down, and the floating ball 14 flows out through the water outlet pipe.
The air inlet 10 is connected with the speed doubling pipe 6, the diameter of the speed doubling pipe 6 is smaller than that of the air inlet pipe 5, the speed doubling pipe 6 is provided with processing threaded holes with equal angles, a one-way valve 17 is arranged in each threaded hole, the part of the speed doubling pipe 6 with the one-way valve is provided with a negative pressure sleeve 7, the negative pressure sleeve 7 is provided with a first air inlet pipe 301, a second air inlet pipe 302, a third air inlet pipe 303 and a fourth air inlet pipe 304, and the air inlet pipe 5 is arranged at an air outlet of the air compressor 4.
As the utility model discloses a first embodiment, negative pressure sleeve 7 is split type structure, and overall structure can divide into two tile type structures, has the constant head tank on the pipe wall of doubly fast pipe 6, has sealed the pad on the installation face of two tile type mechanisms.
As the first embodiment of the present invention, the check valve 17 only allows the flue gas to enter the negative pressure sleeve 7 from the exhaust pressure stabilizing cylinder 2, and does not allow the high pressure air to enter the exhaust pressure stabilizing cylinder 2 from the negative pressure sleeve 7.
The negative pressure sleeve 7 is connected with the exhaust pressure stabilizing cylinder 2 through an air inlet pipe, the exhaust pressure stabilizing cylinder 2 is connected with an air outlet of the Stirling generator through a generator exhaust pipe 1, and the diameter of the exhaust pressure stabilizing cylinder 2 is larger than that of the generator exhaust pipe 1.
It should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and although the detailed description of the present invention is given to the detailed description of the present invention, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.
Claims (3)
1. The smoke and water heat exchanger for biomass power generation is characterized by comprising an aeration tank (9), wherein the aeration tank (9) is provided with an air inlet (10), an water outlet pipe (11) and a water inlet pipe (12), the air inlet (10) is provided with an aeration pipe (8), the water inlet pipe (12) injects filtered water (18) into the aeration tank (9), the water inlet pipe (12) is provided with a feeding valve (13), the feeding valve (13) injects a floating ball (14) into the aeration tank (9), the floating ball (14) is internally provided with a filler, and a slow release hole (141) is processed on the surface of the floating ball; the aeration tank (9) is provided with a flow guide cover (15), and the flow guide cover (15) is provided with an exhaust port (16).
2. The smoke-water heat exchanger for biomass power generation according to claim 1, wherein the air inlet (10) is connected with a speed doubling pipe (6), the diameter of the speed doubling pipe (6) is smaller than that of the air inlet pipe (5), a threaded hole with an equal angle is formed in the speed doubling pipe (6), a check valve (17) is installed in the threaded hole, a negative pressure sleeve (7) is installed on the part of the speed doubling pipe (6) with the check valve, a first air inlet pipe (301), a second air inlet pipe (302), a third air inlet pipe (303) and a fourth air inlet pipe (304) are arranged on the negative pressure sleeve (7), and the air inlet pipe (5) is installed at the air outlet of the air compressor (4).
3. The smoke-water heat exchanger for biomass power generation according to claim 2, wherein the negative pressure sleeve (7) is connected with an exhaust pressure stabilizing cylinder (2) through an air inlet pipe, the exhaust pressure stabilizing cylinder (2) is connected with an exhaust port of a Stirling generator through an exhaust pipe (1) of the generator, and the diameter of the exhaust pressure stabilizing cylinder (2) is larger than that of the exhaust pipe (1) of the generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020954155.XU CN212615066U (en) | 2020-05-30 | 2020-05-30 | Smoke-water heat exchanger for biomass power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020954155.XU CN212615066U (en) | 2020-05-30 | 2020-05-30 | Smoke-water heat exchanger for biomass power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212615066U true CN212615066U (en) | 2021-02-26 |
Family
ID=74748931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020954155.XU Expired - Fee Related CN212615066U (en) | 2020-05-30 | 2020-05-30 | Smoke-water heat exchanger for biomass power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212615066U (en) |
-
2020
- 2020-05-30 CN CN202020954155.XU patent/CN212615066U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101986025A (en) | Integrated low-carbon micro-discharge energy-saving and emission-reduction boiler system | |
| CN104949122A (en) | Oxygen-enriched gas pulsating combustion device | |
| CN103575124A (en) | Steam exhaust cooling system of driving steam turbine of thermal power plant and thermal power unit | |
| CN212615066U (en) | Smoke-water heat exchanger for biomass power generation | |
| CN107489468A (en) | A kind of low-concentration gas power generation system based on intermittent combustion | |
| CN210568552U (en) | Boiler energy-saving and flue gas whitening system | |
| CN210688301U (en) | Novel flue gas recirculation system | |
| CN205640978U (en) | Energy -conserving combustion system of nitrogen oxide zero release oxygen boosting | |
| CN201903041U (en) | Low-carbon micro-discharge energy-saving emission-reducing boiler integrated system | |
| CN206682967U (en) | A kind of system of multistage recovery combustion gas fume afterheat | |
| CN205779062U (en) | A kind of coal derived fuel pure oxygen burning electricity generation system based on supercritical carbon dioxide | |
| CN209213922U (en) | A kind of synergy emission reduction device for the power station IGCC combustion engine | |
| CN201170547Y (en) | Oxygenation combustion-supporting device for fire coal electrification boiler of circulating fluid bed | |
| CN209622832U (en) | A kind of waste heat flue gas recycling and balanced mixed flow distributor | |
| CN209942966U (en) | Cogeneration gas generating set | |
| CN208832496U (en) | A kind of ventilation air methane oxidation device low-temperature flue gas waste heat utilizes system | |
| CN221299274U (en) | Combined waste heat power generation system | |
| CN100436379C (en) | System for united electricity generation using coke oven gas, tar oil, flume and producing composite fertilizer | |
| CN215798514U (en) | Production system of high-concentration sulfur dioxide gas | |
| CN109931626A (en) | A kind of synergy emission reduction device for the power station IGCC combustion engine | |
| CN219974632U (en) | Generating and heat supplying unit | |
| CN220103778U (en) | Saturated steam power generation system prepared by recovering waste heat of high-temperature heat conduction oil | |
| CN220802517U (en) | High-temperature dust removal device of coal-fired unit | |
| CN114899884B (en) | Peak regulating power generation system and method for coupling carbon dioxide capturing and utilizing | |
| CN220250784U (en) | Ultralow reboiling energy consumption carbon dioxide trapping system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |