Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
  • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
  • F23G5/44—Details; Accessories
  • F23G5/46—Recuperation of heat
• • 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
• • 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
  • F23J15/006—Layout of treatment plant
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
  • F23J2219/00—Treatment devices
  • F23J2219/40—Sorption with wet devices, e.g. scrubbers
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
  • F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
  • F23L2900/15043—Preheating combustion air by heat recovery means located in the chimney, e.g. for home heating devices
• • 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
• • 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
  • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Definitions

• the present invention relates to an apparatus for treating exhausted heating gas, and more particularly to an apparatus for treating exhausted heating gas, which recovers and reuses exhausted heat for various purpose, such as to provide hot water, and enhances efficiency of purifying contaminants in gas .
• Fig. 4 is a circuit diagram of a conventional process of treating exhausted heating gas, wherein a processing chamber
• the exhausted gas treating apparatus (110) comprises a cyclone-shaped wet-scrubber main body (111), a detergent- injection nozzle (115 being positioned on the upper inside of the wet-scrubber main body (111) for injecting detergent, a mist filter (116) being position thereon.
• the detergent- injection nozzle (113 is connected to a detergent-storage tank (112) and an absorption duct (113), and a pump (113a) is formed on an absorption duct (113) so that detergent in the detergent-storage tank (112) can be provided to the detergent- injection nozzle (115) oy the operation of the pump (113a).
• a gas releaser (114) is connected to the upper part of the wet-scrubber main body (111) and the blower (111b) is formed on the gas releaser (114) so that gas in the wet- scrubber main body '111) can be discharged from the gas releaser (114) by the operation of the blower (111b), and a draining pipe (112b) on the lower side of the wet-scrubber main body (111) is connected to a detergent-storage tank (112) .
• high-temperature exhausted gas in the processing chamber (100) is sent to the exhaust duct (Ilia) by the operation of the blower (104) and then discharged into a wet-scrubber main body (111).
• the exhausted gas discharged into the wet-scrubber main body (111) is separated into gas and contaminants by detergent injected from the detergent-in ection nozzle (115).
• the separated gas flows into the mist filter (116) and then the gas releaser (114) to be discharged, while contaminants are sent to a detergent-storage tank (112) for storage through a draining pipe (112b) connected to the lower part of the inlet (111) .
• the stored wastewater is delivered into and stored m a tank car (117) through the draining pipe (112b) of the detergent- storage tank (112) having the drain valve (112a).
• the conventional art has a disadvantage in that preheating for producing processing materials takes much time, thus causing inconvenience, inefficiency, and low productivity.
• the conventional art is less economical because energy consumption for preheating increases producing costs and exhausted heat is impossible to reuse.
• the present invention has been made in view of the above problems, and it is an object of the present invention to reuse exhausted heat and enhance efficiency of purifying contaminants in exhausted gas. Another object of the present invention is to prevent air condensation in an inlet and an outlet of a processing chamber. Another object of the present invention is to reduce time for preheating fresh air flowed into a processing chamber.
• the present invention provides an apparatus for treating exhausted heating gas, comprising: a first heat-recovery part, wherein exhausted gas in a processing chamber having an inlet and an outlet is sent by the operation of a blower a to an exhaust duct comprising a first heat exchanger having an absorption port and an exhaust port, and said exhaust port having a blower b is connected to a delivery duct connected to a processing chamber; a second heat-recovery part, wherein a second heat exchanger having an absorption port and a draining port is positioned on an exhaust port of said processing chamber, and a pump a is positioned on said absorption port; a temperature control part, wherein a third heat exchanger is positioned on an absorption port of said first heat exchanger, an absorption port and an exhaust port of said third heat exchanger are connected to a draining port of a second heat exchanger, a valve a and a valve b are positioned between them and an absorption port of a third heat exchanger, a temperature sensor
• the present invention provides an apparatus for treating exhausted heating gas, wherein a main feed pipe having a pump b is connected to the lower part of said purifying main body, said main feed pipe is connected to a first sub feed pipe and a second sub feed pipe, which are positioned toward a first heat exchanger and a second heat exchanger and have a valve c and a valve d, a first injection nozzle and a second injection nozzle are positioned at the ends of said first sub feed pipe and said second sub feed pipe, a first collecting tank having a first releaser and a second collecting tank having a second releaser are positioned on the lower parts thereof, said first releaser and said second releaser are connected to a cyclone having a draining pipe comprising a pump c, and a draining pipe b of said pump c and a draining pipe a of a purifying main body comprise a cleaning part connected to a storage tank.
• Figure 1 is a circuit diagram showing an overall structure of the present invention.
• Figure 2 is a cross-sectional view of a processing chamber according to the present invention.
• Figure 3 is a circuit diagram showing an embodiment of the present invention.
• Figure 4 is a circuit diagram showing a conventional process of treating exhausted heating gas.
• Figure 5 is a cross-sectional view of a conventional processing chamber for treating exhausted heating gas.
• Fig. 1 is a circuit diagram showing an overall structure of the present invention. As seen in Fig.l, the present invention comprises a processing chamber (1) having an inlet
• the exhaust duct (13) of the processing chamber (1) comprises a first heat-recovery part (2) to recover exhausted heat in high-temperature exhausted gas from the exhaust duct
• the first heat-recovery part (2) comprising a first heat exchanger (21) having an absorption port (21a) and an exhaust port (21b) on the exhaust duct (13) having a blower a (14), and an exhaust port (21b) of the first heat exchanger (21) comprising a blower b (22) .
• a delivery duct (23) is formed on the upper part of the processing chamber (1) and the delivery duct (23) and the exhaust port (21b) of the first heat exchanger (21) are connected.
• a second heat-recovery part (3) together with the first heat-recovery part (2) is formed on the exhaust duct (13) of the processing chamber (1) , the second heat-recovery part (3) , like the first heat-recovery parr (2) , comprising a second heat exchanger (31) having an absorption port (31a) and a draining port (31b) on the exhaust duct (13), and a pump a (32) being positioned on an absorption port (31a) of the second heat exchanger (31) .
• a temperature control part (4) is positioned between the first heat exchanger (21) and the second heat exchanger (31) in order to control a temperature of the air which is re-sent to the processing chamber (1) from a delivery duct (23) after its heat is exchanged in the first heat exchanger (21) .
• the temperature control part (4) comprises a third heat exchanger (41) having an absorption port (41a) and an exhaust port (41b) on an absorption port (21a) of a first heat exchanger (21), the absorption port (41a) and the exhaust port (41b) of the third heat exchanger (41) being connected to a draining port (31b) of a second heat exchanger (31) .
• a valve a (42) is positioned on a draining port (31b) of a second heat exchanger (31) between the draining port (41a) and the exhaust port (41b) of the third heat exchanger (41), and a valve b (43), likewise, is positioned on the draining- port (41a) of the third heat exchanger (41) .
• an exhaust port (21b) of the first heat exchanger (21) comprises a temperature sensor (44), a valve a (42) and a valve b (43), together with the temperature sensor (44), being connected to a controller (45).
• a wet-purifying part (5) is provided at the end of the exhaust duct (52), the wet-purifying part (5) comprising an empty purifying main body (50), the purifying main body (50) having an absorption duct (51) for absorbing exhausted gas on one side and an exhaust duct (13) for releasing gas purified therefrom.
• the exhaust duct (52) comprises a blower (55) , detergent is contained in the divided purifying main body (50), and a draining pipe a (54) having a drain valve (53) is positioned in the lower part of the purifying main body (50) for drainin .
• the exhausted gas is cleaned by a wet-pu ⁇ fymg part (5) to totally remove residual contaminants, thereby releasing pure gas without contaminants from the exhaust duct (13) of a purifying ma body (50) .
• Fresh air is absorbed to the first heat-recovery part (2) through an absorption port (21a) of a first heat exchanger
• FIG. 3 is a circuit diagram showing an embodiment of the present invention. As seen in Fig. 1, air condensation m the inlet (11) and the outlet (12) of the processing chamber (1), more specifically, air condensation the inlet (11) and the outlet (12) which is caused by temperature difference between high-temperature air inside the processing chamber (1) and low-temperature air outside can be prevented.
• Fig. 3 is a circuit diagram showing an embodiment of the present invention. As seen in Fig.
• a cleaning part (6) is provided to clean the first heat exchanger (21) of the first heat-recovery part (2) and the second heat exchanger (31) of the second heat-recovery part (3), the cleaning part (6) comprising a main feed pipe (61) having a pump b (61a) in the purifying main body (50), the main feed pipe (61) comprising a first sub feed pipe (62) and a second sub feed pipe (63) toward a first heat exchanger (21) and a second heat exchanger (31), and the first sub feed pipe (62) and the second sub feed pipe (63) comprising a valve c (62a) and a valve d (63a) for opening and closing thereof.
• a first injection nozzle (64) and a second injection nozzle (65) are positioned at the ends of the first sub feed pipe (62) and the second sub feed pipe (63) so that detergent provided from the main feed pipe (61), the first sub feed pipe (62), and the second sub feed pipe (63) can be injected to the first heat exchanger (21) and the second heat exchanger (31) .
• a first collecting tank (66) and a second collecting tank (67) are positioned on the lower parts of the first injection nozzle (64) and the second injection nozzle (65), the first collecting tank (66) and second collecting tank (67) comprising a first releaser (66a) and a second releaser (67a) respectively, and a cyclone (68) being positioned to separately dispose contaminants drained from the first releaser (66a) and the second releaser (67a).
• the cyclone (68) is connected to a storage tank (69) through a draining pipe b (68a) having a pump c (68b), the draining pipe a (54) of the purifying main body (50) being connected to the storage tank (69), together with the cyclone (68) and the draining pipe (68a), a draining pipe c (69b) having a valve e (69a) being positioned on the lower part of the storage tank (69), thereby separately disposing wastewater to a tank car.
• a draining pipe b (68a) having a pump c (68b)
• the draining pipe a (54) of the purifying main body (50) being connected to the storage tank (69)
• a draining pipe c (69b) having a valve e (69a) being positioned on the lower part of the storage tank (69), thereby separately disposing wastewater to a tank car.
• detergent in the purifying main body (50) of the cleaning part (6) is provided through a main feed pipe (61) by the operation of a pump b (61a), then sent to the first sub feed pipe (62) and the second sub feed pipe (63), and injected from the first injection nozzle (64) and the second injection nozzle (65) formed at the ends of the first sub feed pipe (62) and the second sub feed pipe (63), thereby cleaning the first heat exchanger (21) and the second heat exchanger (31) .
• the injected detergent is collected inside the first collecting tank (66) and the second collecting tank (67) positioned on the lower parts of the first injection nozzle
• the detergent released from the draining pipe (68a) of the cyclone (68) is collected and stored in a storage tank (69) , and then sent to a tank car (70) through a draining pipe c (69b) positioned on the lower part of the storage tank (69) for treatment.
• the present invention enhances energy efficiency and productivity and saves energy by recovering exhausted heat to heat fresh air flowed into a processing chamber during a processing procedure or to preheat processing materials, thus providing hot water or warming. Further, the present invention prevents air condensation caused by temperature difference between air inside a processing chamber and fresh air outside, thus reducing inferior processing caused by contact to processing materials in condensed water as in a conventional device.
• the present invention has an advantage in that high- temperature exhausted gas flows through a first heat exchanger and a second heat exchanger while contaminants therein can be removed by cooling and condensation, and then contaminants in the exhausted gas is totally removed in a cleaning part for releasing, thus enhancing efficiency of purifying contaminants in contaminated exhausted gas and preventing environmental contamination from exhausted gas.
• the present invention has a further advantage in that it uses recovered exhausted heat for preheating processing materials flowed into a processing chamber or for providing heated fresh air, thus saving energy, reducing inconvenience in a processing procedure, and enhancing efficiency and productivity .

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Treating Waste Gases (AREA)
• Gas Separation By Absorption (AREA)

Applications Claiming Priority (3)

Publications (1)

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ID=19621009

Family Applications (1)

Country Status (7)

Families Citing this family (6)

Family Cites Families (4)

• 1999
  • 1999-11-20 KR KR1019990051715A patent/KR100338315B1/ko not_active Expired - Fee Related
• 2000
  • 2000-07-25 TW TW089114805A patent/TW478962B/zh not_active IP Right Cessation
  • 2000-07-27 JP JP2001553999A patent/JP2003520936A/ja active Pending
  • 2000-07-27 AU AU61852/00A patent/AU6185200A/en not_active Abandoned
  • 2000-07-27 WO PCT/KR2000/000814 patent/WO2001053753A1/en not_active Ceased
  • 2000-07-27 CN CNB008156956A patent/CN1209574C/zh not_active Expired - Fee Related
  • 2000-07-27 EP EP00948366A patent/EP1230516A1/de not_active Withdrawn

Non-Patent Citations (1)

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