CN113390097A - Energy tower for drying flue gas of gas-fired boiler and method for drying flue gas of boiler - Google Patents
Energy tower for drying flue gas of gas-fired boiler and method for drying flue gas of boiler Download PDFInfo
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- CN113390097A CN113390097A CN202110717628.3A CN202110717628A CN113390097A CN 113390097 A CN113390097 A CN 113390097A CN 202110717628 A CN202110717628 A CN 202110717628A CN 113390097 A CN113390097 A CN 113390097A
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- flue gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/08—Arrangements of devices for treating smoke or fumes of heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/06—Spray nozzles or spray pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/08—Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides an energy tower for drying flue gas of a gas-fired boiler and a method for drying the flue gas of the boiler, and relates to the technical field of boiler gas equipment. The gas boiler flue gas drying energy tower comprises a hot water tank, a spraying heat exchange area, a packing layer, a cyclone plate, a baffle plate heat exchange device, a reheater and a negative pressure fan, wherein the hot water tank is arranged below the packing layer and the cyclone plate, high-temperature flue gas enters the packing layer through spraying heat exchange, is dehumidified by the cyclone plate and the baffle plate heat exchange device and then is discharged into a chimney through the negative pressure fan after being heated by the reheater, and the flue gas enters a flue after being dewatered to not generate condensed water. The energy tower is utilized to recover heat in the flue gas and remove more than 90% of moisture in the flue gas, and has the advantages of environmental protection and high efficiency.
Description
Technical Field
The invention relates to the technical field of boiler gas equipment, in particular to an energy tower for drying gas boiler flue gas and a boiler flue gas drying method.
Background
Gas Combustion (CH)4+2O2＝CO2+2H2O) a large amount of water vapor (1.55 KG water vapor is generated by burning 1 cubic natural gas) is generated, a large amount of latent heat of vaporization is contained in the water vapor and accounts for 8-10% of the efficiency of the boiler, the traditional heat exchanger cannot recover low-grade heat energy in low-temperature flue gas at 55-65 ℃, the low-temperature flue gas is condensed into water in the discharge process through a flue, and the condensed water corrodes a metal flue or a reinforced concrete flue for a long time due to weak acidity, so that water leakage and water seepage of the flue are caused.
At present, a large number of residential areas select gas (clean energy) boilers for heating, and most of chimneys of the gas boilers are made of reinforced concrete structures or metal. The gas boiler thus exists during use: the heat exchange end of the low-temperature flue gas is poor, the low-grade heat energy cannot be fully recovered, the water vapor in the flue gas is difficult to fully condense, and flue gas condensate water (faintly acid) corrodes a flue. Further improvements in existing flue gas treatment equipment and methods for gas boilers are needed.
Disclosure of Invention
The invention provides an energy tower for drying gas boiler flue gas and a boiler flue gas drying method, aiming at solving the problems that the gas boiler flue gas carries water, a flue gas pipeline is easy to corrode and the like.
An energy tower for drying flue gas of a gas boiler comprises a packing tank, a heat exchange tank, a hot water tank and a heat pump unit, wherein the hot water tank is arranged below the packing tank and the heat exchange tank, the packing tank and the heat exchange tank are arranged adjacently, the heat pump unit is connected with the hot water tank through a pipeline, and the heat pump unit is also connected with a heat supply device through a pipeline; the high-temperature flue gas pipe is connected with the upper end of the filler tank, the upper part of the filler tank is also provided with a spray header, and a stainless steel filler layer is filled in the filler tank; the bottom of the packing tank is communicated with the bottom of the heat exchange tank, the lower part of the heat exchange tank is provided with a vortex sheet, the upper part of the heat exchange tank is provided with a baffle plate heat exchange sheet, and the top of the heat exchange tank is connected with a flue gas discharge pipe; the bottom of the hot water tank is also provided with a sewage discharge pipe, and an overflow pipe is arranged above the hot water tank.
Preferably, the flowing direction of the flue gas in the filling tank is from top to bottom, the water spraying direction of the spray pipe is the same as the flowing direction of the flue gas or the included angle is an acute angle, and the water inlet temperature of the spray pipe is 0-25 ℃.
Preferably, the volume of the stainless steel filler layer in the filler tank is greater than 1/2 of the volume of the internal space of the filler tank, and the filler tank and the heat exchange tank are both cylindrical.
Preferably, a variable-frequency negative pressure fan is arranged at the flue gas discharge pipe of the heat exchange tank, and the flue gas discharge pipe is connected with the flue.
Further preferably, the cyclone plate guides the flue gas to enter the baffle plate heat exchange plate, and the high-temperature flue gas cyclone enters the baffle plate heat exchange plate; the upper part of the baffling heat exchange sheet is provided with a water inlet pipe, and the lower part of the baffling heat exchange sheet is also provided with a water outlet pipe.
Preferably, the stainless steel packing layer is 316L stainless steel packing, the baffle plate heat exchange fins are 316L baffle plate heat exchange fins, a reheater is further arranged in the heat exchange tank, and the temperature of the flue gas discharged by the flue gas discharge pipe is less than 5 ℃; and the pH values of the cooling water in the spray water pipe and the water inlet pipe are less than or equal to 6.4.
Further preferably, the drain pipe is connected with the overflow pipe, and a drain valve is further arranged on the drain pipe.
A method for drying flue gas of a gas boiler utilizes the energy tower for drying flue gas of the gas boiler, and comprises the following steps:
s1, introducing high-temperature flue gas into a packing tank, and spraying cooling water to mix the high-temperature flue gas;
s2, allowing the high-temperature flue gas mixed with cooling water to collide with a stainless steel packing layer, condensing water vapor in the flue gas and combining the water vapor with the cooling water to form water which drops into a hot water tank;
s3, the low-temperature flue gas cooled by the packing tank contains a small amount of water vapor, the low-temperature flue gas is guided by the vortex sheet to rotate and rise to enter the baffle heat exchange sheet, and the water vapor in the low-temperature flue gas is continuously condensed and falls into a hot water tank;
and S4, pumping the heat medium water in the hot water tank to heat supply equipment through a heat pump unit, wherein the heat supply equipment uses heat.
It is still further preferred that a chemical is added to the hot water medium to adjust the PH of the hot water medium.
Still further preferably, the reheater heats the drying flue gas to 30 ℃, and the reheater adjusts the temperature of the drying flue gas according to the temperature of the working environment.
The energy tower for drying the flue gas of the gas-fired boiler and the method for drying the flue gas of the boiler have the beneficial effects that: the energy tower can be automatically adjusted according to the load of the flue gas boiler, so that the whole equipment is ensured to be in a reasonable and economic operation interval; the stainless steel packing layer and the spray water pipe are utilized in the packing tank to realize cooling and condensation of high-temperature flue gas; the heat exchange tank guides the low-temperature flue gas to enter the baffle plate heat exchange plates in a certain direction by using the vortex plates, so that the flue gas can be continuously cooled and condensed, water in the flue gas is analyzed, and the drying of the flue gas is ensured; the safety of the heat supply pipeline is ensured after the heat medium water is treated by adding the chemicals. The method for drying the flue gas can not only avoid the corrosion of flue gas condensate water to the flue, but also recycle waste heat, thereby improving economic benefit.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of the mechanism of an energy tower for flue gas drying of a gas boiler;
FIG. 2 is a schematic view of the arrangement of the spinning disks;
FIG. 3 is a diagram of a flue gas duct layout;
FIG. 4 is a schematic flow diagram of a boiler flue gas drying process;
in the figure: 1-a filler tank, 2-a heat exchange tank, 3-a hot water tank, 4-a heat pump unit, 5-a spray header, 6-a stainless steel filler layer, 7-a vortex sheet, 8-a baffle heat exchange sheet, 9-a blow-off pipe, 10-an overflow pipe, 11-a variable frequency negative pressure fan, 12-a blow-off valve, 13-a water inlet pipe, 14-a reheater and 15-a heat supply device.
Detailed Description
The specific embodiments of the energy tower for drying flue gas of a gas-fired boiler and the method for drying flue gas of a boiler provided by the invention are described with reference to fig. 1 to 4.
The utility model provides a dry energy tower of gas boiler flue gas, includes packing jar 1, heat transfer jar 2, hot-water tank 3 and heat pump set 4, packing jar 1 and heat transfer jar 2 mutually support and cool off the high temperature flue gas to retrieve the water and the heat in the flue gas to the hot-water tank, the hot-water tank sends hot water to heating equipment through heat pump set, realizes the reuse of flue gas waste heat.
The hot-water tank sets up in the below of filled pot 1 and heat transfer jar 2, and filled pot 1 and heat transfer jar 2 adjacent arrangement to make the convenient inflow heat transfer jar of low temperature flue gas after 1 heat transfer of filled pot, heat pump set 4 passes through the pipeline with hot-water tank 3 and links to each other, and heat pump set 4 still passes through the pipeline and links to each other with heating equipment 15. The heat supply equipment 15 includes a radiator fin, a fan coil, a floor heating coil, and the like, and is a device for using heat. High temperature flue gas pipe links to each other with the upper end of packing jar 1, and the flue gas in the high temperature flue gas pipe gets into packing jar 1 downwards, and the upper portion of packing jar still is provided with spray header 5, and cold water in spray header 5 gets into and through the shower nozzle spraying, is filled with the stainless steel packing layer in the packing jar 1, and 6 structure ratio of stainless steel packing layer are more stable, corrosion-resistant, accomplishes the heat transfer of high temperature flue gas, and the flue gas is condensed fast behind the striking packing layer. The bottom of jar 1 that packs and the bottom of heat transfer jar 2 are linked together, supply the flue gas to flow, and the lower part of heat transfer jar is provided with the spinning disk, and spinning disk 7 is the heliciform and arranges, and the upper portion of heat transfer jar 2 is provided with the baffling board heat exchanger fin, and baffling board heat exchanger fin 8 department carries out the secondary heat transfer of flue gas, and the top of heat transfer jar 2 is connected with the flue gas delivery pipe, and the flue gas delivery pipe links to each other with gas boiler's flue. The bottom of hot-water tank 3 still disposes the blow off pipe, and the top of hot-water tank 3 still is provided with the overflow pipe, guarantees the even running of hot-water tank to conveniently clear up the precipitate in bottom.
The flowing direction of the flue gas in the packing tank 1 is from top to bottom, the water spraying direction of the water spraying pipe 5 is the same as the flowing direction of the flue gas or the included angle is an acute angle, so that the mixing time of the high-temperature flue gas and the cooling water is prolonged, the water inlet temperature of the water spraying pipe is 0-25 ℃, and the flue gas is specifically adjusted according to the external environment temperature. The volume of the stainless steel filler layer in the filler tank 1 is larger than 1/2 of the volume of the internal space of the filler tank, so that the filler layer and the high-temperature flue gas mixture are ensured to fully collide with the stainless steel filler layer, the filler tank 1 and the heat exchange tank 2 are both cylindrical, and one sides of the filler tank 1 and the heat exchange tank 2 adjacent to the filler tank are rectangular; or the cross sections of the filler tank and the heat exchange tank can be respectively designed to be rectangular, and the inner spaces of the filler tank and the heat exchange tank are communicated to form a closed space.
The flue gas delivery pipe department of heat transfer jar 2 is provided with frequency conversion negative pressure fan 11 to can guarantee the circulation of flue gas between packing jar 1 and heat transfer jar 2, the flue gas delivery pipe links to each other with the flue. The cyclone plate 7 guides the flue gas to enter the baffle plate heat exchange plate, and the high-temperature flue gas enters the baffling heat exchange plate 8 in a cyclone manner; the upper portion of baffling heat exchanger fin 8 is provided with inlet tube 13, and the below of baffling heat exchanger fin 8 still is provided with the outlet pipe, lets in the cooling water and can cool off baffling heat exchanger fin. The stainless steel packing layer 6 is 316L stainless steel packing, the baffle plate heat exchange fins are 316L baffle plate heat exchange fins, a reheater is further arranged in the heat exchange tank, and the temperature of the flue gas discharged by the flue gas discharge pipe is less than 5 ℃. The PH value of the cooling water in the spray water pipe and the water inlet pipe is less than or equal to 6.4, and the cooling water needs to be added with chemicals for neutralization when being recycled, so that the corrosion of pipeline equipment is prevented.
The drain pipe 9 is connected with the overflow pipe 10, so that the water quantity in the hot water tank is stable, the overflow is avoided, and a drain valve 12 is further arranged on the drain pipe 9 to regularly clean mud in the hot water tank.
A method for drying flue gas of a gas boiler recovers the water vapor waste heat in the flue gas by utilizing the energy tower for drying the flue gas of the gas boiler, solves the problem of corrosion of condensed water, and comprises the following specific steps:
and S1.50-70 ℃ high-temperature flue gas is introduced into a packing tank, and cooling water is sprayed to mix the high-temperature flue gas.
S2, the high-temperature flue gas mixed with cooling water collides with a stainless steel packing layer, water vapor in the flue gas is condensed and combined with the cooling water into water drops, the water drops fall into a hot water tank, waste heat in the flue gas is absorbed for heat supply, and the economic benefit can be improved by 7% -10%.
S3, the low-temperature flue gas cooled by the packing tank contains a small amount of water vapor, the low-temperature flue gas is guided by the vortex sheet to rotate and rise to enter the baffle plate heat exchange sheet, the collision of the flue gas on the baffle plate is increased, and the water vapor in the low-temperature flue gas is continuously condensed and falls into the hot water tank.
And S4, pumping the heat medium water in the hot water tank to heat supply equipment through a heat pump unit, wherein the heat supply equipment uses heat. Wherein the medicament is added into the heat medium water to adjust the PH value of the heat medium water. The cooling water after the heat is extracted by the heat supply equipment continuously enters the baffle plate heat exchange fins and the spray tower to exchange heat with the flue gas, so that a set of complete processes of heat absorption, heat exchange and flue gas drying are formed.
The reheater heats the dry flue gas to 30 ℃, and the reheater adjusts the temperature of the dry flue gas according to the temperature of the working environment. The smoke is basically not washed out by condensed water in the process of being discharged from a chimney after being condensed and heat exchanged by the energy tower, the corrosion of a stainless steel flue welding port or a cement concrete flue can be effectively prevented, and the smoke outlet has no visible smoke plume.
The energy tower can be automatically adjusted according to the load of the flue gas boiler, so that the whole equipment is ensured to be in a reasonable and economic operation interval; the stainless steel packing layer and the spray water pipe are utilized in the packing tank to realize cooling and condensation of high-temperature flue gas; the heat exchange tank guides the low-temperature flue gas to enter the baffle plate heat exchange plates in a certain direction by using the vortex plates, so that the flue gas can be continuously cooled and condensed, water in the flue gas is analyzed, and the drying of the flue gas is ensured; the safety of the heat supply pipeline is ensured after the heat medium water is treated by adding the chemicals. The method for drying the flue gas can not only avoid the corrosion of flue gas condensate water to the flue, but also recycle waste heat, thereby improving economic benefit.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (10)
1. An energy tower for drying flue gas of a gas boiler is characterized by comprising a packing tank, a heat exchange tank, a hot water tank and a heat pump unit, wherein the hot water tank is arranged below the packing tank and the heat exchange tank, the packing tank and the heat exchange tank are arranged adjacently, the heat pump unit is connected with the hot water tank through a pipeline, and the heat pump unit is also connected with a heat supply device through a pipeline; the high-temperature flue gas pipe is connected with the upper end of the filler tank, the upper part of the filler tank is also provided with a spray header, and a stainless steel filler layer is filled in the filler tank; the bottom of the packing tank is communicated with the bottom of the heat exchange tank, the lower part of the heat exchange tank is provided with a vortex sheet, the upper part of the heat exchange tank is provided with a baffle plate heat exchange sheet, and the top of the heat exchange tank is connected with a flue gas discharge pipe; the bottom of the hot water tank is also provided with a sewage discharge pipe, and an overflow pipe is arranged above the hot water tank.
2. The energy tower for drying the flue gas of the gas boiler according to claim 1, wherein the flow direction of the flue gas in the packed tank is from top to bottom, the water spraying direction of the spray pipe is the same as the flow direction of the flue gas or forms an acute angle with the flow direction of the flue gas, and the temperature of the inlet water of the spray pipe is 0-25 ℃.
3. The energy tower for drying the flue gas of the gas boiler as recited in claim 1, wherein the volume of the stainless steel filler layer in the filler tank is greater than 1/2 of the volume of the internal space of the filler tank, and the filler tank and the heat exchange tank are both cylindrical.
4. The energy tower for drying the flue gas of the gas boiler according to claim 1, wherein a variable frequency negative pressure fan is arranged at a flue gas discharge pipe of the heat exchange tank, and the flue gas discharge pipe is connected with a flue.
5. The energy tower for drying the flue gas of the gas boiler as recited in claim 1, wherein the swirl plate guides the flue gas into the baffle plate heat exchanger plate, and the high temperature flue gas swirls into the baffle plate heat exchanger plate; the upper part of the baffling heat exchange sheet is provided with a water inlet pipe, and the lower part of the baffling heat exchange sheet is also provided with a water outlet pipe.
6. The gas boiler flue gas drying energy tower as claimed in claim 1, wherein the stainless steel packing layer is 316L stainless steel packing, the baffle plate heat exchanger fins are 316L baffle plate heat exchanger fins, a reheater is further arranged in the heat exchange tank, and the temperature of flue gas discharged by a flue gas discharge pipe is less than 5 ℃; and the pH values of the cooling water in the spray water pipe and the water inlet pipe are less than or equal to 6.4.
7. The energy tower for drying the flue gas of the gas boiler as recited in claim 1, wherein the drain pipe is connected with an overflow pipe, and a drain valve is further disposed on the drain pipe.
8. A method for drying flue gas of a gas boiler by using the energy tower for drying flue gas of a gas boiler as claimed in any one of claims 1 to 7, characterized by comprising the following steps:
s1, introducing high-temperature flue gas into a packing tank, and spraying cooling water to mix the high-temperature flue gas;
s2, allowing the high-temperature flue gas mixed with cooling water to collide with a stainless steel packing layer, condensing water vapor in the flue gas and combining the water vapor with the cooling water to form water which drops into a hot water tank;
s3, the low-temperature flue gas cooled by the packing tank contains a small amount of water vapor, the low-temperature flue gas is guided by the vortex sheet to rotate and rise to enter the baffle heat exchange sheet, and the water vapor in the low-temperature flue gas is continuously condensed and falls into a hot water tank;
and S4, pumping the heat medium water in the hot water tank to heat supply equipment through a heat pump unit, wherein the heat supply equipment uses heat.
9. The method for drying flue gas of a gas boiler as claimed in claim 8, wherein a chemical is added to the heating medium water to adjust the pH of the heating medium water.
10. The method for drying flue gas of a gas boiler according to claim 8, wherein the reheater heats the drying flue gas to 30 ℃, and the reheater adjusts the temperature of the drying flue gas according to the temperature of the working environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110717628.3A CN113390097A (en) | 2021-06-28 | 2021-06-28 | Energy tower for drying flue gas of gas-fired boiler and method for drying flue gas of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110717628.3A CN113390097A (en) | 2021-06-28 | 2021-06-28 | Energy tower for drying flue gas of gas-fired boiler and method for drying flue gas of boiler |
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| CN113390097A true CN113390097A (en) | 2021-09-14 |
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| CN202110717628.3A Pending CN113390097A (en) | 2021-06-28 | 2021-06-28 | Energy tower for drying flue gas of gas-fired boiler and method for drying flue gas of boiler |
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| CN101829468A (en) * | 2009-03-10 | 2010-09-15 | 上海融新能源环境科技有限公司 | Flue-gas cleaning method and system for waste incineration |
| KR101421886B1 (en) * | 2013-02-14 | 2014-07-28 | 한모기술주식회사 | The heat exchanger for direct-contact heat transfer from low-temperature hot gas to cold liquid |
| CN104014236A (en) * | 2014-06-19 | 2014-09-03 | 南京凯盛开能环保能源有限公司 | Smoke purifying and residual heat deep recycling integrated device |
| CN110124465A (en) * | 2019-05-15 | 2019-08-16 | 杭州蕴泽环境科技有限公司 | A kind of low energy consumption wet flue gas receives water and disappears white device and method |
| CN111425875A (en) * | 2020-02-27 | 2020-07-17 | 浙江大学 | Dividing wall type flue gas waste heat deep recycling system with condensed water spraying function |
| CN211913309U (en) * | 2019-12-02 | 2020-11-13 | 河南圆方环保设备有限公司 | Double-flow spray tower |
| CN212440669U (en) * | 2020-05-29 | 2021-02-02 | 山东泓奥电力科技有限公司 | Wet and hot flue gas waste heat recovery and utilization system |
| CN112762726A (en) * | 2021-01-29 | 2021-05-07 | 北京金茂绿建科技有限公司 | Flue gas waste heat recovery system of gas boiler |
-
2021
- 2021-06-28 CN CN202110717628.3A patent/CN113390097A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829468A (en) * | 2009-03-10 | 2010-09-15 | 上海融新能源环境科技有限公司 | Flue-gas cleaning method and system for waste incineration |
| KR101421886B1 (en) * | 2013-02-14 | 2014-07-28 | 한모기술주식회사 | The heat exchanger for direct-contact heat transfer from low-temperature hot gas to cold liquid |
| CN104014236A (en) * | 2014-06-19 | 2014-09-03 | 南京凯盛开能环保能源有限公司 | Smoke purifying and residual heat deep recycling integrated device |
| CN110124465A (en) * | 2019-05-15 | 2019-08-16 | 杭州蕴泽环境科技有限公司 | A kind of low energy consumption wet flue gas receives water and disappears white device and method |
| CN211913309U (en) * | 2019-12-02 | 2020-11-13 | 河南圆方环保设备有限公司 | Double-flow spray tower |
| CN111425875A (en) * | 2020-02-27 | 2020-07-17 | 浙江大学 | Dividing wall type flue gas waste heat deep recycling system with condensed water spraying function |
| CN212440669U (en) * | 2020-05-29 | 2021-02-02 | 山东泓奥电力科技有限公司 | Wet and hot flue gas waste heat recovery and utilization system |
| CN112762726A (en) * | 2021-01-29 | 2021-05-07 | 北京金茂绿建科技有限公司 | Flue gas waste heat recovery system of gas boiler |
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Application publication date: 20210914 |