CN210831925U - Deep recovery device for exhaust smoke waste heat and moisture of power station boiler - Google Patents
Deep recovery device for exhaust smoke waste heat and moisture of power station boiler Download PDFInfo
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- CN210831925U CN210831925U CN201921378639.8U CN201921378639U CN210831925U CN 210831925 U CN210831925 U CN 210831925U CN 201921378639 U CN201921378639 U CN 201921378639U CN 210831925 U CN210831925 U CN 210831925U
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Abstract
The utility model discloses a power plant boiler discharges fume degree of depth recovery unit of waste heat and moisture, degree of depth recovery unit includes: the system comprises a ceramic membrane tube absorber, a liquid storage tank, a vacuum pump, a circulating pump, a generator, a high-temperature condenser, a low-temperature condenser, a throttle valve, a vaporizer, a water-water heat exchanger and a water storage tank; the utility model discloses both can reduce the heat loss that traditional coal fired thermal power plant boiler flue gas system discharged low temperature flue gas and caused, reduce the electricity generation coal consumption, can clean high-efficient moisture in retrieving the flue gas again, save the water resource.
Description
Technical Field
The utility model relates to an energy saving and emission reduction technical field of thermal power plant especially relates to the degree of depth recovery unit of power plant boiler waste heat and moisture of discharging fume.
Background
By the end of 2018, the total installed capacity of national electricity is 19 hundred million kilowatts, wherein 11.44 million kilowatts of thermal power account for 60.2 percent, and the installed capacity of thermal power is increased by 3 percent on a same scale; in 2018, the power generation amount is 69940 hundred million kilowatt hours, wherein 49231 million kilowatt hours of thermal power account for 70.39%, and the power generation amount of the thermal power is increased by 7.3% on the same scale. Meanwhile, in 2017, the total amount of water resources in China is 28761.2 billion cubic meters, the water resources per capita are 2074.5 cubic meters, the water resources are decreased by 11.91 percent on year-by-year basis, and the shortage of the water resources gradually draws wide attention of the whole society. Thermal power generation is used as a medium current column in the electric power industry of China, and the loss caused by the smoke discharged by a power station boiler accounts for 50 percent of the total loss of the boiler and accounts for about 3 to 6 percent of the heat of input fuel of the boiler; if effectively reduce boiler flue gas emission temperature 15 ℃, can realize that boiler efficiency improves 1%. Meanwhile, in the case of boilers using fossil energy as fuel, such as coal-fired boilers, a large amount of water is generated in the combustion process, and for example, a 330MW coal-fired boiler using wet desulphurization, the amount of water vapor discharged with flue gas per hour is up to 112 t. At present, the temperature of flue gas behind an air preheater of a power station boiler is about 130-150 ℃, and a certain temperature difference exists between the temperature and the dew point of the flue gas, so that the sensible heat of the flue gas can be further recovered; and the relative humidity of the flue gas is high after the wet desulphurization spray tower, the water vapor content almost reaches a saturated state, and a large amount of latent heat and moisture can be recycled.
The known lithium bromide absorption heat pump utilizes the characteristic that lithium bromide has different solubility in water at different temperatures, so that a refrigerant is absorbed by an absorbent at lower temperature and pressure, and is evaporated from a solution at higher temperature and pressure, and closed circulation is completed to realize absorption and regeneration of the refrigerant. The condenser, throttle valve and evaporator of the absorption heat pump system are the same as those of the compressed vapor heating cycle. In actual operation, under the influence of lower temperature of a low-temperature heat source, the lithium bromide absorption heat pump is easy to have the problems of difficult low-temperature starting, serious heat production attenuation and the like, and when the heat pump is serious, the COP (coefficient of performance) of the heat pump is only 1. Meanwhile, the traditional condensation method is adopted to recover moisture in the flue gas of the power station boiler, so that the water quality is poor, the water temperature is low, the recovery cost is high, and the utilization is difficult.
Therefore, the deep recovery device for the waste heat and moisture of the exhaust smoke of the power station boiler is expected to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a power plant boiler discharges fume degree of depth recovery unit of waste heat and moisture, degree of depth recovery unit includes: the system comprises a ceramic membrane tube absorber, a liquid storage tank, a vacuum pump, a circulating pump, a generator, a high-temperature condenser, a low-temperature condenser, a throttle valve, a vaporizer, a water-water heat exchanger and a water storage tank;
the tube pass outlet of the ceramic membrane tube absorber is connected with the inlet of the liquid storage tank through a dilute solution pipeline, the outlet of the liquid storage tank is connected with the solution inlet of the generator through a lithium bromide dilute solution pipeline, the solution outlet of the generator is connected with the inlet of the throttle valve through a lithium bromide solution pipeline, the outlet of the throttle valve is connected with the solution inlet of the vaporizer through a lithium bromide solution pipeline, the solution outlet of the vaporizer is connected with the inlet of the circulating pump through a lithium bromide concentrated solution pipeline, and the outlet of the circulating pump is connected with the tube pass inlet of the ceramic membrane tube absorber through a lithium bromide concentrated solution pipeline;
a condensed water outlet of the high-temperature condenser is connected with a heat medium side inlet of the water-water heat exchanger through a condensed water pipeline, and a heat medium side outlet of the water-water heat exchanger is connected with an inlet of the water storage tank through a condensed water pipeline;
a condensed water outlet of the low-temperature condenser is connected with an inlet of a water storage tank through a condensed water pipeline, and a condensed water recycling pipeline is arranged at the bottom of the water storage tank;
the low-temperature condenser condensed water outlet is connected with a cold medium side inlet of the water-water heat exchanger through a condensed water pipeline, and the cold medium side outlet of the water-water heat exchanger is connected with a condensed water inlet of the high-temperature condenser through a condensed water pipeline.
Preferably, the generator and the high-temperature condenser are integrally arranged, a first partition plate is arranged in the middle of an integrated device of the generator and the high-temperature condenser, the first partition plate is vertically arranged at the bottom of the integrated device of the generator and the high-temperature condenser, the first partition plate is used for preventing the lithium bromide solution in the generator from being mixed with the condensed water in the high-temperature condenser, and a gas channel is reserved at the top of the first partition plate and used for circulating water vapor; the vaporizer with the integrated arrangement of low temperature condenser the vaporizer with the middle part of low temperature condenser's integrated device has arranged the second division board, and the second division board sets up perpendicularly the vaporizer with the integrated device bottom of low temperature condenser, the second division board be used for blockking lithium bromide solution in the vaporizer with the comdenstion water in the low temperature condenser mixes, and second division board top leaves gas passage for circulation vapor.
Preferably, a first lithium bromide solution spray header is arranged in the generator, the top end of the first lithium bromide solution spray header is connected with a solution inlet of the generator, the first lithium bromide solution spray header is arranged below the top end of the first partition plate, and each first lithium bromide solution spray header is provided with a secondary throttle valve; the second lithium bromide solution spray headers are arranged in the vaporizer, the top ends of the second lithium bromide solution spray headers are connected with the solution inlet of the vaporizer, the second lithium bromide solution spray headers are lower than the top ends of the second partition plates, and each second lithium bromide solution spray header is provided with a secondary throttle valve.
Preferably, a non-condensable gas outlet at the top of the liquid storage tank is connected with a tail flue of the power station boiler through a non-condensable gas pipeline and the vacuum pump.
Preferably, a high-temperature flue is arranged in the generator, and flue gas preheated by air enters the high-temperature flue from a driving heat source inlet of the generator to serve as a driving heat source of the generator.
Preferably, a ceramic membrane tube and a guide plate are arranged in the ceramic membrane tube absorber, the guide plate is perpendicular to the ceramic membrane tube, a tube pass outlet is installed at one side of the ceramic membrane tube absorber, the tube pass outlet is installed at the top of the side of the ceramic membrane tube absorber, a tube pass inlet installed at the other side of the ceramic membrane tube absorber is installed at the bottom of the side of the ceramic membrane tube absorber, and a drain valve is installed at the bottom of the shell pass of the ceramic membrane tube absorber.
The utility model provides a power plant boiler discharges fume degree of depth recovery unit of waste heat and moisture, the utility model discloses both can reduce the heat loss that traditional coal-fired thermal power plant boiler flue gas system discharged low temperature flue gas and caused, reduce the electricity generation coal consumption, can clean moisture in the high-efficient recovery flue gas again, save the water resource. Meanwhile, based on the mechanism that the ceramic membrane tube absorber absorbs water in the flue gas and releases heat in time, the flue gas can be properly heated when passing through the ceramic membrane tube integrator, the saturation humidity of the flue gas is improved, and the problem of white smoke plume commonly existing in the current power plant is effectively solved.
Drawings
FIG. 1 is a schematic diagram of a deep recovery device for waste heat and moisture of flue gas of a power station boiler.
Fig. 2 is a schematic structural diagram of the vacuum pump 3 system and the low-temperature flue gas system in fig. 1.
Fig. 3 is a schematic diagram of the high and low temperature condensers 37, 38 and the low pressure heating system shown in fig. 1.
Fig. 4 is a schematic view of the internal structure of the ceramic membrane tube absorber 8 in fig. 1.
Fig. 5 is a schematic diagram of the internal structure of the vaporizer 7 and the cryocondenser 38 in fig. 1.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1: a deep recovery device for the waste heat and moisture of the exhaust smoke of a power station boiler comprises: the device comprises a ceramic membrane tube absorber, a liquid storage tank, a vacuum pump, a generator, a throttle valve, a vaporizer, a high-temperature condenser, a low-temperature condenser, a water-water heat exchanger, a water storage tank, a lithium bromide solution pipeline, a water pipeline and a flue.
The deep recovery method of the waste heat and the moisture of the exhaust smoke of the power station boiler comprises the following steps: the method comprises the steps that waste heat and moisture are firstly recovered by a flue gas of a desulfurizing device at the tail part of a power station boiler through a ceramic membrane tube absorber, meanwhile, the flue gas is heated to a certain degree, a flue gas outlet of the desulfurizing device is connected with a shell pass inlet of the ceramic membrane tube absorber, a shell pass outlet of the ceramic membrane tube absorber is connected with a chimney flue inlet, a lithium bromide concentrated solution absorbing the moisture in the flue gas is changed into a dilute solution and then enters a liquid storage tank, non-condensable gas is discharged, a tube pass outlet of the ceramic membrane tube is connected with an inlet of the liquid storage tank, a non-condensable gas outlet at the top of the liquid storage tank is connected with an inlet of a vacuum pump, an outlet of the vacuum pump is connected with an inlet of the chimney flue, the lithium bromide dilute solution is heated by the flue gas after passing through an air preheater to generate steam, the steam is, the generator driving heat source outlet is connected with the dust remover flue inlet, the high temperature condenser condensed water inlet is connected with the water-water heat exchanger cold medium outlet or the 7# low pressure heater outlet, the high temperature condenser condensed water outlet is connected with the 5# low pressure heater inlet, the high temperature condenser condensed water outlet is connected with the water-water heat exchanger hot medium inlet, the water-water heat exchanger hot medium outlet is connected with the water storage tank inlet, the heated lithium bromide concentrated solution is decompressed by the throttle valve and can be separated into certain vapor, the solution concentration is further increased, the moisture is further recovered, the generator solution outlet is connected with the throttle valve inlet, the throttle valve outlet is connected with the vaporizer solution inlet, the low temperature condenser condensed water inlet is connected with the condenser condensed water outlet, the low temperature condenser condensed water outlet is connected with the water-water heat exchanger cold medium inlet, the water-water heat exchanger cold medium outlet is connected with the high temperature condenser condensed water inlet or the 7# low, the concentrated lithium bromide solution after heating gasification and decompression gasification has strong hygroscopicity, the next cycle is started, and the solution outlet of the vaporizer is connected with the tube pass inlet of the ceramic membrane tube absorber, so that the next cycle is started. In the embodiment, the generator recovers the sensible heat of the flue gas after the air preheater, and the part of heat with higher quality is used as a driving heat source of the generator; wet flue gas after wet desulphurization is in a saturated state and has a large amount of latent heat of vaporization, but the grade of the heat of the part is low, and a lithium bromide concentrated solution absorbs moisture in the flue gas according to different water vapor pressures and generates a large amount of solution heat at the same time, so that the grade of the part of heat is improved on one hand, and the other hand has a certain heating effect on the flue gas, and the problem of 'white smoke plume' commonly existing in a power plant can be effectively relieved; the vaporizer realizes the gasification of partial moisture and the reduction of the solution temperature by utilizing the pressure reduction function of the throttle valve, and improves the moisture absorption of the solution; the water vapor of the generator is cooled and condensed into liquid by the condensed water of the high-temperature condenser, and then is further cooled by the condensed water in the low-temperature condenser and then is recycled together with the condensed water in the low-temperature condenser for reuse; the device can effectively recover the waste heat and the moisture of the exhaust smoke of the power station boiler, reduce the coal consumption of power generation and save water resources.
As shown in fig. 1-5, 1: a liquid storage tank, 2: non-condensable gas, 3: a vacuum pump, 4: a circulating pump, 5: a generator, 6: a throttle valve, 7: a vaporizer, 8: a ceramic membrane tube absorber, 9: a lithium bromide dilute solution, 10: a low-temperature flue gas outlet, 11: a lithium bromide concentrated solution, 12: a high-temperature flue, 13: a water reuse pipeline, 14: a shower head, 15: a high-temperature condenser condensed water, 16: a partition plate, 17: a low-temperature condenser condensed water, 18: a high-temperature condenser condensed water, 19: a low-temperature condenser condensed water, 20: a water-water heat exchanger, 21: a water storage tank, 22: a guide plate, 23: a ceramic membrane tube, 24: a drain valve, 25: a low-temperature flue gas inlet, 26: a secondary pressure reducing valve, 27.5# low-pressure heater, 28.6# low-pressure heater, 29.7# low-pressure heater, 30.8# low-pressure heater, 33. outlet valve, 34 bypass valve, 35 water side pressure gauge, 36 gas side pressure gauge, 37 high temperature condenser, 38 low temperature condenser.
As shown in figure 1, the deep recovery device for the waste heat and moisture of the exhaust smoke of the power station boiler is characterized in that the coal-fired power plant boiler converts the chemical energy of fuel into heat energy and further transmits the heat energy to a circulating working medium, the generated smoke enters a ceramic membrane tube absorber 8 through a low-temperature smoke inlet 25 after being processed in a series of steps, and the smoke and a lithium bromide concentrated solution 11 in a ceramic membrane tube 23 are subjected to countercurrent heat and mass transfer and then are discharged from a low-temperature smoke outlet 10. The ceramic membrane tube absorber 8, the liquid storage tank 1, the generator 5, the throttle valve 6, the vaporizer 7 and the circulating pump 4 are connected in sequence to form a lithium bromide solution circulating loop. The top of the liquid storage tank 1 is connected with a vacuum pump 3 through a pipeline of non-condensable gas 2, and the non-condensable gas 2 in the lithium bromide dilute solution 6 is continuously extracted and discharged. The flue gas behind the air preheater is connected with a high-temperature flue 12 and is used as a driving heat source of the generator 5. The low-temperature condenser 38, the water-water heat exchanger 20 and the high-temperature condenser 37 are connected in series through a low-temperature condenser condensed water 17 pipeline and a high-temperature condenser condensed water 15 pipeline. The high temperature condenser 37, the water-water heat exchanger 20 and the water storage tank 21 are connected by a high temperature condenser condensed water 18 pipeline.
As shown in figure 2, a non-condensable gas 2 discharge pipeline of the liquid storage tank 1 is connected with a low-temperature flue gas outlet 10 of a ceramic membrane tube absorber 8 in parallel, and two air flows are converged and then discharged through a chimney together.
As shown in fig. 3, the pipeline inlet of the low-temperature condenser condensed water 17 is connected with the pipeline outlet of the condensed water of the condenser 31, the pipeline outlet of the low-temperature condenser condensed water 17 is connected with the cold medium inlet of the water-water heat exchanger 20, the cold medium outlet of the water-water heat exchanger 20 is connected with the pipeline inlet of the condensed water of the high-temperature condenser 15, the pipeline outlet of the condensed water of the high-temperature condenser 15 is connected with the condensed water inlet of the low-pressure heater 27 # 5, the cold medium outlet of the water-water heat exchanger 20 is connected with the condensed water inlet of the low-pressure heater # 7, the pipeline inlet of the condensed water of the high-temperature condenser 15 is connected with the condensed water outlet of the low-pressure heater #. The low-temperature condenser condensed water 17 and the high-temperature condenser condensed water 15 can be connected in parallel and in series, when in series, the bypass valve 34 is opened, and the inlet valve 32 and the outlet valve 33 are closed; in parallel, the bypass valve 34 is closed and the inlet valve 32 and the outlet valve 33 are opened.
As shown in fig. 4, low-temperature flue gas at the tail of the power station boiler enters the shell side of the ceramic membrane tube absorber 8 from the low-temperature flue gas inlet 25, and is discharged from the low-temperature flue gas outlet 10 after countercurrent heat transfer and selective mass transfer with the lithium bromide concentrated solution 11 in the ceramic membrane tube 23. 25 flues of low temperature flue gas entry 25 outstanding ceramic membrane tube absorber 8's box slightly, drain valve 24 is installed to 8 bottoms of ceramic membrane tube absorber simultaneously, 11 pipe installations of lithium bromide concentrated solution are in the import cavity highest place of tube side, 9 pipe installations of lithium bromide dilute solution are in the lowest place of tube side export cavity, water side manometer 35 is installed to 8 tube side export cavities of ceramic membrane tube absorber simultaneously, gas side manometer 36 is installed to the shell side, the better realization moisture of pressure differential through control tube side and shell side and the recovery of waste heat.
As shown in fig. 5, the outlet of the throttle valve 6 is connected with the solution inlet of the vaporizer 7, and a secondary throttle valve 26 is provided in front of the shower head 14 so as to control the gas phase rate and temperature of the shower solution.
The saturated vapor pressure of the lithium bromide solution is far lower than that of pure water at the same temperature, the ceramic membrane tube adopts nano-scale or micron-scale apertures, and heat transfer and selective mass transfer are carried out between the ceramic membrane tube and the flue gas according to the actions of molecular sieve, capillary condensation and Knudsen diffusion, and a large amount of solution heat is released at the same time. The ceramic membrane tube absorber, the liquid storage tank, the generator, the vaporizer, the high-temperature condenser, the low-temperature condenser and the water-water heat exchanger all follow the basic law of conservation of energy and conservation of mass.
1. Energy conservation equation:
2. conservation of mass equation:
3. coefficient of heating performance:
4. according to the principle of equivalent enthalpy drop:
ΔH＝q4ηj/D
δηi＝ΔH/(ΔH+H)
in the above formula:
respectively the mass flow and enthalpy of the material inlet of each equipment component;
respectively mass flow and enthalpy of material outlet of each equipment component; q. q.s1、q2、q3、q4Respectively the heat absorption capacity of the condensed water of the high-temperature condenser, the heat absorption capacity of the condensed water of the low-temperature condenser, the heat absorption capacity of a cold medium of a water-water heat exchanger and the heat exchange capacity of a driving heat source of the steam generator, wherein H and delta H respectively represent a new steam enthalpy drop and an equivalent enthalpy drop, ηjD is the steam extraction efficiency and the main steam flow of the energy level j, and in this embodiment, the second low-pressure heater j is 6;
coal consumption for power generation;
the coal consumption is reduced for power generation.
The utility model discloses use in 330MW coal-fired generating set, this unit heating phase exhaust gas temperature is up to 130 ℃, and non-heating phase is up to 150 ℃, adopt this utility model can the degree of depth recovery power plant boiler exhaust gas waste heat 30MW, and then squeeze the second low pressure feed water heater and take out the vapour, effectively reduce thermal power plant's electricity generation coal consumption 5g/(kW h), water yield 22t/h in the recovery flue gas has good energy saving and emission reduction effect.
The utility model discloses can reduce traditional coal-fired thermal power plant boiler flue gas system and discharge incidental calorific loss of low temperature flue gas and moisture loss, the heat of retrieving is used for heating the condensate water, reduces the steam extraction volume, reduces the electricity generation coal consumption. Meanwhile, according to the aperture of the adopted ceramic membrane tube, the recovered water can be used for water supplement of a heat supply network or circulating water and the like
Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. 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 technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a power plant boiler exhaust fume waste heat and degree of depth recovery unit of moisture which characterized in that, degree of depth recovery unit includes: the system comprises a ceramic membrane tube absorber, a liquid storage tank, a vacuum pump, a circulating pump, a generator, a high-temperature condenser, a low-temperature condenser, a throttle valve, a vaporizer, a water-water heat exchanger and a water storage tank;
the tube pass outlet of the ceramic membrane tube absorber is connected with the inlet of the liquid storage tank through a dilute solution pipeline, the outlet of the liquid storage tank is connected with the solution inlet of the generator through a lithium bromide dilute solution pipeline, the solution outlet of the generator is connected with the inlet of the throttle valve through a lithium bromide solution pipeline, the outlet of the throttle valve is connected with the solution inlet of the vaporizer through a lithium bromide solution pipeline, the solution outlet of the vaporizer is connected with the inlet of the circulating pump through a lithium bromide concentrated solution pipeline, and the outlet of the circulating pump is connected with the tube pass inlet of the ceramic membrane tube absorber through a lithium bromide concentrated solution pipeline;
a condensed water outlet of the high-temperature condenser is connected with a heat medium side inlet of the water-water heat exchanger through a condensed water pipeline, and a heat medium side outlet of the water-water heat exchanger is connected with an inlet of the water storage tank through a condensed water pipeline;
a condensed water outlet of the low-temperature condenser is connected with an inlet of a water storage tank through a condensed water pipeline, and a condensed water recycling pipeline is arranged at the bottom of the water storage tank;
the low-temperature condenser condensed water outlet is connected with a cold medium side inlet of the water-water heat exchanger through a condensed water pipeline, and the cold medium side outlet of the water-water heat exchanger is connected with a condensed water inlet of the high-temperature condenser through a condensed water pipeline.
2. The deep recovery device of the exhaust smoke waste heat and moisture of the power station boiler of claim 1, characterized in that: the generator and the high-temperature condenser are integrally arranged, a first partition plate is arranged in the middle of an integrated device of the generator and the high-temperature condenser and vertically arranged at the bottom of the integrated device of the generator and the high-temperature condenser, the first partition plate is used for preventing a lithium bromide solution in the generator from being mixed with condensed water in the high-temperature condenser, and a gas channel is reserved at the top of the first partition plate and used for circulating water vapor; the vaporizer with the integrated arrangement of low temperature condenser the vaporizer with the middle part of low temperature condenser's integrated device has arranged the second division board, and the second division board sets up perpendicularly the vaporizer with the integrated device bottom of low temperature condenser, the second division board be used for blockking lithium bromide solution in the vaporizer with the comdenstion water in the low temperature condenser mixes, and second division board top leaves gas passage for circulation vapor.
3. The deep recovery device of the exhaust smoke waste heat and moisture of the power station boiler of claim 2, characterized in that: arranging first lithium bromide solution spray headers in the generator, wherein the top ends of the first lithium bromide solution spray headers are connected with a solution inlet of the generator, the first lithium bromide solution spray headers are arranged below the top ends of the first partition plates, and each first lithium bromide solution spray header is provided with a secondary throttling valve; the second lithium bromide solution spray headers are arranged in the vaporizer, the top ends of the second lithium bromide solution spray headers are connected with the solution inlet of the vaporizer, the second lithium bromide solution spray headers are lower than the top ends of the second partition plates, and each second lithium bromide solution spray header is provided with a secondary throttle valve.
4. The deep recovery device of the exhaust smoke waste heat and moisture of the power station boiler of claim 1, characterized in that: and a non-condensable gas outlet at the top of the liquid storage tank is connected with a tail flue of the power station boiler through a non-condensable gas pipeline and the vacuum pump.
5. The deep recovery device of the exhaust smoke waste heat and moisture of the power station boiler of claim 1, characterized in that: the high-temperature flue is arranged in the generator, and flue gas preheated by air enters the high-temperature flue from a driving heat source inlet of the generator to be used as a driving heat source of the generator.
6. The deep recovery device of the exhaust smoke waste heat and moisture of the power station boiler of claim 1, characterized in that: the ceramic membrane tube absorber is internally provided with a ceramic membrane tube and a guide plate, the guide plate is perpendicular to the ceramic membrane tube, a tube pass outlet is installed at one side of the ceramic membrane tube absorber, the tube pass outlet is installed at the top of the side of the ceramic membrane tube absorber, a tube pass inlet at the other side of the ceramic membrane tube absorber is installed at the bottom of the side of the ceramic membrane tube absorber, and a drain valve is installed at the bottom of the shell pass of the ceramic membrane tube absorber.
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| CN201921378639.8U CN210831925U (en) | 2019-08-22 | 2019-08-22 | Deep recovery device for exhaust smoke waste heat and moisture of power station boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440239A (en) * | 2019-08-22 | 2019-11-12 | 华北电力大学 | A kind of the depth recyclable device and method of heat of smoke discharged from boiler of power station and moisture |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440239A (en) * | 2019-08-22 | 2019-11-12 | 华北电力大学 | A kind of the depth recyclable device and method of heat of smoke discharged from boiler of power station and moisture |
| CN110440239B (en) * | 2019-08-22 | 2024-06-14 | 华北电力大学 | Deep recovery device and method for waste heat and moisture of exhaust gas of power station boiler |
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