CN217855466U - Air-cooled wet-type dust removal and whitening energy-saving device - Google Patents
Air-cooled wet-type dust removal and whitening energy-saving device Download PDFInfo
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- CN217855466U CN217855466U CN202222204620.XU CN202222204620U CN217855466U CN 217855466 U CN217855466 U CN 217855466U CN 202222204620 U CN202222204620 U CN 202222204620U CN 217855466 U CN217855466 U CN 217855466U
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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 relates to a flue gas dust removal disappears white equipment field, especially a white economizer that disappears of air-cooled wet-type dust removal. Including the gas cleaning heat transfer tower, water condensing tank and air-cooled heat exchanger set up in the gas cleaning heat transfer tower, the water condensing tank is located the bottom of gas cleaning heat transfer tower, the air-cooled heat exchanger is located the top of water condensing tank, the top of air-cooled heat exchanger is equipped with the water collector, sealing connection between the lateral wall of water collector and the inside wall of gas cleaning heat transfer tower, the top of water collector is equipped with the guide plate, the top of guide plate is equipped with the spray thrower, it is located on the gas cleaning heat transfer tower lateral wall between guide plate and the water collector to advance the mouth of cigarette, it is located the top of gas cleaning heat transfer tower to go out the mouth of cigarette. The spraying dust removal is realized, the smoke whitening is realized, the power consumption in the smoke dust removal and smoke whitening process is extremely low, and the energy-saving effect is realized.
Description
Technical Field
The utility model relates to a flue gas dust removal disappears white equipment field, especially a white economizer that disappears of air-cooled wet-type dust removal.
Background
As shown in fig. 1, the conventional wet electrostatic precipitator includes a flow guide plate, and cathode lines pass through the flow guide plate and are fixed above and below the flow guide plate. Under the action of the high-voltage electrostatic field, the fine particles are collected to the guide plate, and the fine particles collected by the guide plate are collected and taken away by the spray water, so that the purpose of dust removal is achieved. The equipment has a good dust removal effect, but has large power consumption, only has the dust removal effect, and does not have other functions and effects.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the above-mentioned defect that prior art exists, provide an air-cooled wet dedusting energy-saving device that disappears, when realizing spraying the dust removal, still realized that the flue gas disappears and whitely to flue gas dust removal and flue gas disappear white in-process power consumptive minimum, realized energy-conserving effect.
The technical scheme of the utility model is that: an air-cooled wet-type dust removal and whitening energy-saving device comprises a flue gas purification heat exchange tower, wherein a water condensing tank and an air-cooled heat exchanger are arranged in the flue gas purification heat exchange tower, the water condensing tank is positioned at the bottom of the flue gas purification heat exchange tower, the air-cooled heat exchanger is positioned above the water condensing tank, a water receiving tray is arranged above the air-cooled heat exchanger, the outer side wall of the water receiving tray is in sealing connection with the inner side wall of the flue gas purification heat exchange tower, a guide plate is arranged above the water receiving tray, a sprayer is arranged above the guide plate, a smoke inlet is positioned on the side wall of the flue gas purification heat exchange tower between the guide plate and the water receiving tray, and a smoke outlet is positioned at the top of the flue gas purification heat exchange tower;
the water condensation tank is connected with the sprayer, a plurality of flue gas channels are arranged on the water receiving tray at intervals, and the alkaline high-temperature circulating liquid on the water receiving tray flows into a heat exchange pipe of the air-cooled heat exchanger;
the air-cooled heat exchanger is also provided with a natural cold air inlet and a hot air outlet, and the outlet of a heat exchange tube of the air-cooled heat exchanger is connected with the condensate tank.
The utility model discloses in, be equipped with the several guide plate in the gas cleaning heat transfer tower, the guide plate sets up along the even interval of horizontal direction in the gas cleaning heat transfer tower, plays the flue gas effect of flow equalizing.
Be equipped with the liquid outlet on the lateral wall of water condensing tank, the liquid outlet passes through connecting tube to be connected with the spray thrower, is equipped with the water pump on the connecting tube way of liquid outlet and spray thrower.
The side wall of the water pan is provided with a water falling port below the contact position of the inner wall of the flue gas purification heat exchange tower, alkaline high-temperature circulating liquid collected on the water pan flows into the water falling port, and the water falling port is connected with a heat exchange tube of the air-cooled heat exchanger.
The alkaline low-temperature circulating liquid in the condensate tank is pumped into the sprayer through the water pump, the alkaline low-temperature circulating liquid sprayed by the sprayer exchanges heat with high-temperature flue gas, the alkaline low-temperature circulating liquid absorbs heat and is heated to become alkaline high-temperature circulating liquid, the alkaline high-temperature circulating liquid drops onto the water receiving tray, and the alkaline high-temperature circulating liquid is collected on the water receiving tray, flows into the water falling port and flows into the heat exchange pipe of the air-cooled heat exchanger;
in the air-cooled heat exchanger, natural cold air absorbs the heat of the alkaline high-temperature circulating liquid, the alkaline high-temperature circulating liquid is cooled again to become alkaline low-temperature circulating liquid, and the alkaline low-temperature circulating liquid flows into the condensate tank through the connecting pipeline, so that the alkaline low-temperature circulating in the whole device flows circularly.
The utility model has the advantages that:
(1) The flue gas is washed by the spray liquid generated by the sprayer, and the wet dust removal effect is realized by spraying and removing dust;
(2) The spraying liquid is alkaline low-temperature circulating liquid which can neutralize acidic substances in high-temperature flue gas, and the high-temperature saturated flue gas is fully contacted with the alkaline low-temperature circulating liquid and then is condensed to separate water, so that the low-temperature saturated flue gas is changed into low-temperature saturated flue gas, the moisture content of the flue gas is reduced, namely the strength of white smoke is reduced, and the effect of eliminating the white smoke is realized;
(3) In the device, the alkaline low-temperature circulating liquid absorbs heat in high-temperature flue gas, natural cold air and hot water are used for heat exchange in the air-cooled heat exchanger, and partial heat of the high-temperature flue gas is transferred to the atmosphere, so that the device continuously generates a cold source by using the natural cold air, and the effects of wet dust removal and white smoke elimination are realized;
(4) The device does not need to be electrified for dust removal, and electrostatic dust removal is replaced by spraying dust removal, so that the power consumption is reduced by more than 90%, and a considerable energy-saving effect is realized; during dust removal, natural cold air is used for cooling and dehumidifying, so that the purposes of eliminating the air in the flue gas and recovering the moisture are achieved;
(5) The device can utilize current wet electrostatic precipitator to carry out structural transformation and form, when replacing wet electrostatic precipitator dust removal, newly increases economize on electricity, water conservation and white effect that disappears to need not to change the flue gas flow, also can not increase the flue gas resistance, does not influence flue gas system's whole operation.
Drawings
FIG. 1 is a schematic structural diagram of a conventional wet electrostatic precipitator;
fig. 2 is a schematic structural diagram of the present invention.
In the figure, 1, a flue gas purification heat exchange tower; 2. a sprayer; 3. a baffle; 4. a smoke inlet; 5. a water pan; 6. a flue gas channel; 7. an air-cooled heat exchanger; 701. a natural cold air inlet; 702. a hot air outlet; 8. a water condensing tank; 9. a liquid outlet; 10. a water pump; 11. a water falling port; 12. a smoke outlet.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 2, air-cooled wet-type dust removal energy-saving device that disappears white includes gas cleaning heat transfer tower 1, congeals water tank 8 and air-cooled heat exchanger 7 and all sets up in gas cleaning heat transfer tower 1, wherein congeals water tank 8 and is located gas cleaning heat transfer tower 1's bottom, air-cooled heat exchanger 7 is located the top of congealing water tank 8. The water pan 5 is arranged above the air-cooled heat exchanger 7, and the outer side wall of the water pan 5 is in sealing connection with the inner side wall of the flue gas purification heat exchange tower 1 so as to prevent water on the water pan 5 from falling into the air-cooled heat exchanger below. A plurality of guide plates 3 are arranged above the water pan 5, and the guide plates 3 are uniformly arranged in the flue gas purification heat exchange tower 1 at intervals along the horizontal direction. A sprayer 2 is arranged above the guide plate 3. The side wall of the flue gas purification heat exchange tower 1 is also provided with a flue gas inlet 4 and a flue gas outlet 12, wherein the flue gas inlet 4 is positioned on the side wall of the flue gas purification heat exchange tower 1 between the guide plate 3 and the water receiving tray 5, and the flue gas outlet 12 is positioned at the top of the flue gas purification heat exchange tower 1. The high-temperature saturated flue gas flows in from the flue gas inlet 4 and flows out from the flue gas outlet 12, so that the flue gas flows from bottom to top in the tower.
Be equipped with liquid outlet 9 on the lateral wall of water collecting tank 8, liquid outlet 9 is connected with spray thrower 2 through connecting line, is equipped with water pump 10 on liquid outlet 9 and the connecting line of spray thrower 2 for in alkaline low temperature cycle liquid in the water collecting tank 8 is taken out to spray thrower 2. The sprayer 2 atomizes and sprays the alkaline low-temperature circulating liquid so as to improve the heat absorption effect of the alkaline low-temperature circulating liquid.
In the process that the high-temperature saturated flue gas flows from bottom to top, the guide plate 3 uniformly divides the flue gas, so that the flue gas-water heat exchange effect is better. The alkaline low-temperature circulating liquid fog drops sprayed by the sprayer 2 contact with the high-temperature saturated flue gas to exchange heat, and the high-temperature saturated flue gas is changed into low-temperature saturated flue gas, so that the moisture content of the flue gas is reduced. The moisture content of the smoke is reduced, namely the strength of the white smoke is reduced, and the effect of eliminating the white smoke is realized. The alkaline low-temperature circulating liquid absorbs heat in the high-temperature saturated flue gas and then is heated to become alkaline high-temperature circulating liquid, the high-temperature saturated flue gas is cooled to become low-temperature saturated flue gas, and the low-temperature saturated flue gas flows out from a flue gas outlet 12 at the top of the flue gas purification heat exchange tower 1. Meanwhile, the alkaline low-temperature circulating liquid fog drops spray the high-temperature saturated flue gas, so that the spraying and dust removing effects are achieved.
The alkaline low-temperature circulating liquid absorbs heat in high-temperature saturated flue gas, then the temperature of the alkaline low-temperature circulating liquid rises to become alkaline high-temperature circulating liquid, the alkaline high-temperature circulating liquid falls onto the water receiving disc 5, a water falling port 11 is arranged below the contact position of the side wall of the water receiving disc 5 and the flue gas purification heat exchange tower 1, the alkaline high-temperature circulating liquid on the water receiving disc 5 flows into the water falling port 11, and the water falling port 11 plays a role in storing liquid. And the alkaline high-temperature circulating liquid on the water pan 5 flows into a heat exchange pipe of the air-cooled heat exchanger 7 through a connecting pipeline. In this embodiment, water on the water pan 5 is firstly stored into the water falling port 11, and the water falling port 11 is connected with the heat exchange tube of the air-cooled heat exchanger 7 through the connection pipeline.
The air-cooled heat exchanger 7 is internally provided with a heat exchange tube, the air-cooled heat exchanger 7 is also provided with a natural cold air inlet 701 and a hot air outlet 702, and the heat exchange tube outlet of the air-cooled heat exchanger 7 is connected with the condensate tank 8 through a connecting pipeline. The natural cold air enters the air-cooled heat exchanger 7 through the natural cold air inlet 701, exchanges heat with the alkaline high-temperature circulating liquid in the heat exchange pipe of the natural cold air in the air-cooled heat exchanger 7, absorbs heat of the natural cold air, is heated to become hot air, and flows out through the hot air outlet 702. The temperature of the alkaline high-temperature circulating liquid is reduced to become alkaline low-temperature circulating liquid, and the alkaline low-temperature circulating liquid directly flows into the water condensing tank 8 through a connecting pipeline after flowing out of the heat exchange pipe, so that the circulation of the alkaline low-temperature circulating liquid in the device is realized.
The operation of the device is as follows. After the high-temperature saturated flue gas flows into the flue gas purification heat exchange tower 1 through the flue gas inlet 4, the high-temperature saturated flue gas meets alkaline low-temperature circulating liquid sprayed by the sprayer 2 in the process of flowing from top to bottom, the high-temperature saturated flue gas is sprayed and washed by the alkaline low-temperature circulating liquid, the high-temperature saturated flue gas is changed into low-temperature saturated flue gas for condensation and water separation in the washing process, the moisture content in the flue gas is reduced, and the white elimination of the flue gas is realized; meanwhile, the alkaline low-temperature circulating liquid fog drops spray the high-temperature saturated flue gas, so that the spraying and dust removing effects are achieved. The low-temperature saturated flue gas after being cooled, whitened and dedusted is discharged from the flue gas outlet 12.
Meanwhile, the alkaline low-temperature circulating liquid in the condensate tank 8 is pumped into the sprayer 2 through the water pump 10, the alkaline low-temperature circulating liquid sprayed by the sprayer 2 exchanges heat with high-temperature flue gas, the alkaline low-temperature circulating liquid absorbs heat and is heated to become alkaline high-temperature circulating liquid, the alkaline high-temperature circulating liquid drops onto the water receiving tray 5, and the alkaline high-temperature circulating liquid is collected on the water receiving tray 5, flows into the water falling port 11 and flows into the heat exchange pipe of the air-cooled heat exchanger 7 through the connecting pipeline. In the air-cooled heat exchanger 7, natural cold air absorbs the heat of the alkaline high-temperature circulating liquid, the alkaline high-temperature circulating liquid is cooled again to become alkaline low-temperature circulating liquid, and the alkaline low-temperature circulating liquid flows into the condensate tank 8 through the connecting pipeline, so that the circulating flow of the alkaline low-temperature circulating in the whole device is realized.
Example 1
In this embodiment, the cathode line of the wet electrostatic precipitator is removed by using the existing wet electrostatic precipitator, the existing anode tube in the electrostatic precipitator is used as the guide plate by using the casing of the existing wet electrostatic precipitator, and then the structure of the electrostatic precipitator is appropriately modified. The modified air-cooled wet dust removal and whitening energy-saving device can be protected by the application. The device replaces the existing wet electrostatic precipitator through the device, and replaces wet electrostatic precipitation through spraying and dedusting, so that the effect of dedusting can be achieved for the flue gas, the white elimination of the flue gas is also achieved, and the effects of saving electricity and saving water are achieved simultaneously.
Claims (5)
1. The utility model provides an air-cooled wet-type dust removal disappears and whitens economizer, includes gas cleaning heat exchange tower (1), its characterized in that: the water condensing tank (8) and the air-cooled heat exchanger (7) are arranged in the flue gas purification heat exchange tower (1), the water condensing tank (8) is positioned at the bottom of the flue gas purification heat exchange tower (1), the air-cooled heat exchanger (7) is positioned above the water condensing tank (8), a water receiving disc (5) is arranged above the air-cooled heat exchanger (7), the outer side wall of the water receiving disc (5) is hermetically connected with the inner side wall of the flue gas purification heat exchange tower (1), a guide plate (3) is arranged above the water receiving disc (5), a sprayer (2) is arranged above the guide plate (3), a smoke inlet (4) is positioned on the side wall of the flue gas purification heat exchange tower (1) between the guide plate (3) and the water receiving disc (5), and a smoke outlet (12) is positioned at the top of the flue gas purification heat exchange tower (1);
the water condensing tank (8) is connected with the sprayer (2), a plurality of flue gas channels (6) are arranged on the water receiving tray (5) at intervals, and alkaline high-temperature circulating liquid on the water receiving tray (5) flows into a heat exchange pipe of the air-cooled heat exchanger (7);
a natural cold air inlet (701) and a hot air outlet (702) are also arranged on the air-cooled heat exchanger (7), and the outlet of a heat exchange tube of the air-cooled heat exchanger (7) is connected with the condensed water tank (8).
2. The air-cooled wet dust-removing, whitening and energy-saving device of claim 1, characterized in that: a plurality of guide plates (3) are arranged in the flue gas purification heat exchange tower (1), and the guide plates (3) are uniformly arranged in the flue gas purification heat exchange tower (1) at intervals along the horizontal direction.
3. The air-cooled wet dust-removing, whitening and energy-saving device of claim 1, characterized in that: be equipped with liquid outlet (9) on the lateral wall of condensate tank (8), liquid outlet (9) are connected with spray thrower (2) through connecting tube, are equipped with water pump (10) on the connecting tube way of liquid outlet (9) and spray thrower (2).
4. The air-cooled wet dust-removing, whitening and energy-saving device of claim 1, characterized in that: a water falling port (11) is arranged below the contact position of the side wall of the water receiving tray (5) and the inner wall of the flue gas purification heat exchange tower (1), alkaline high-temperature circulating liquid collected on the water receiving tray (5) flows into the water falling port (11), and the water falling port (11) is connected with a heat exchange pipe of the air-cooled heat exchanger (7).
5. The air-cooled wet dust-removing, whitening and energy-saving device of claim 1, characterized in that: alkaline low-temperature circulating liquid in the condensate tank (8) is pumped into the sprayer (2) through a water pump (10), the alkaline low-temperature circulating liquid sprayed by the sprayer (2) exchanges heat with high-temperature flue gas, the alkaline low-temperature circulating liquid absorbs heat and is heated to become alkaline high-temperature circulating liquid, the alkaline high-temperature circulating liquid drops onto the water receiving tray (5), and the alkaline high-temperature circulating liquid is collected on the water receiving tray (5) and flows into the water falling port (11) and flows into a heat exchange pipe of the air-cooled heat exchanger (7);
in the air-cooled heat exchanger (7), natural cold air absorbs the heat of the alkaline high-temperature circulating liquid, the alkaline high-temperature circulating liquid is cooled again to become alkaline low-temperature circulating liquid, and the alkaline low-temperature circulating liquid flows into the condensate tank (8) through a connecting pipeline, so that the alkaline low-temperature circulating liquid circularly flows in the whole device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222204620.XU CN217855466U (en) | 2022-08-22 | 2022-08-22 | Air-cooled wet-type dust removal and whitening energy-saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222204620.XU CN217855466U (en) | 2022-08-22 | 2022-08-22 | Air-cooled wet-type dust removal and whitening energy-saving device |
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| Publication Number | Publication Date |
|---|---|
| CN217855466U true CN217855466U (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222204620.XU Active CN217855466U (en) | 2022-08-22 | 2022-08-22 | Air-cooled wet-type dust removal and whitening energy-saving device |
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|---|---|
| CN (1) | CN217855466U (en) |
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2022
- 2022-08-22 CN CN202222204620.XU patent/CN217855466U/en active Active
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