WO2023212978A1 - Dispositif de récupération de chaleur pour équipement de chaudière - Google Patents

Dispositif de récupération de chaleur pour équipement de chaudière Download PDF

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Publication number
WO2023212978A1
WO2023212978A1 PCT/CN2022/092925 CN2022092925W WO2023212978A1 WO 2023212978 A1 WO2023212978 A1 WO 2023212978A1 CN 2022092925 W CN2022092925 W CN 2022092925W WO 2023212978 A1 WO2023212978 A1 WO 2023212978A1
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WO
WIPO (PCT)
Prior art keywords
heat
pipe
heat exchange
exchange cylinder
recovery device
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PCT/CN2022/092925
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English (en)
Chinese (zh)
Inventor
林果
Original Assignee
天津大学滨海工业研究院有限公司
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Publication of WO2023212978A1 publication Critical patent/WO2023212978A1/fr

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D19/00—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium
    • F28D19/04—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/34—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely

Definitions

  • the utility model belongs to the field of boiler waste heat recovery, and in particular relates to a waste heat recovery device for boiler equipment.
  • Flue gas waste heat recovery mainly converts the heat carried by the flue gas into usable heat through a certain heat exchange method.
  • the heat pipe waste heat recovery device is a special equipment for coal, oil, and gas-fired boilers. It is installed at the boiler smoke outlet to recover the flue gas.
  • the waste heat heats domestic water or boiler water replenishment; when the recovery device is working, the flue gas flows through the heat pipe waste heat return flue and flushes the lower end of the heat pipe. After absorbing heat, the heat pipe guides the heat to the upper end, and the upper end of the heat pipe releases heat to heat the water.
  • there is generally no dust removal or descaling device inside the existing boiler flue gas waste heat recovery device which is very troublesome to clean.
  • the present utility model aims to overcome the defects in the prior art and proposes a waste heat recovery device for boiler equipment.
  • a waste heat recovery device for boiler equipment including a heat exchange cylinder, filtering mechanisms provided at the left and right ends of the heat exchange cylinder, and a heat exchange mechanism provided in the heat exchange cylinder;
  • the filtering mechanism includes a ventilation pipe provided on the heat exchange cylinder , and an interception net provided in the ventilator.
  • a foreign matter collection box is provided on the ventilator corresponding to the position below the interception net. The foreign matter collection box is connected with the ventilator;
  • the heat exchange mechanism includes several spaced apart devices in the heat exchange cylinder. Heat-conducting tubes and heat-conducting components provided on the heat-conducting tubes.
  • each heat-conducting tube extends out of the heat-exchange tube; a water storage component is provided above the heat-exchange tube corresponding to the heat-conducting tube, and a water storage component is provided below the heat-conducting tube corresponding to the heat-conducting tube. Equipped with water supply components.
  • a removable sealing door is provided on the heat exchange cylinder at a position corresponding to the heat transfer pipe.
  • the heat conduction component includes heat conduction fins provided on the heat conduction pipe. Multiple heat conduction fins are provided at intervals along the length of the heat conduction pipe. The heat dissipation fins on two adjacent heat conduction pipes are V-shaped or inverted V. type settings.
  • the water storage component includes a water storage tank provided on the heat exchange cylinder and a water outlet pipe provided on the water storage tank; the heat conduction pipe is connected to the water storage tank, and a flow limiting assembly is provided at one end of the heat conduction pipe extending into the water storage tank.
  • the flow limiting assembly includes a plugging member slidably provided on the heat pipe.
  • One end of the plug toward the heat pipe is provided with a tapered end that matches the mouth of the heat pipe, and the other side is provided with a dome-shaped conductor. Flow hood.
  • At least two guide columns are evenly arranged around the heat transfer pipe, and the blocking member is provided with a guide sleeve that slides with the guide column; one end of the guide column passing through the guide sleeve is provided with a limiting block, and the other end is provided with a limit block.
  • One end is arranged on the heat pipe, and an elastic element is provided on the guide column at a position corresponding to the position between the limit block and the guide sleeve. One end of the elastic element resists the limit block and the other end resists the guide sleeve.
  • the water inlet assembly includes a water inlet pipe provided on the heat exchange cylinder and a control valve provided on the water inlet pipe.
  • the water inlet pipe is connected to the heat transfer pipe through an L-shaped flange pipe.
  • the heat exchange cylinder is provided with a dredge rod for dredging the heat conduction pipe.
  • One end of the dredge rod is provided with a cutting piece that matches the heat conduction pipe, and the other end is provided with a handle piece.
  • the water storage tank is provided with a fixed dredge rod for fixing the heat conduction pipe. Rod clamp.
  • the cutting member is a cross-shaped structural member, and each end of the cutting member is provided with an arc-shaped cutting piece that slides with the heat conduction pipe.
  • this utility model has the following advantages:
  • the utility model has a simple structure, high waste heat recovery and utilization efficiency, and is easy to assemble and maintain. It is especially convenient for operators to clean dust and scale in the device. It is very convenient to clean, greatly reducing the difficulty of maintenance and use of this waste heat recovery device, and improving This improves the reliability and service life of this device during operation; by arranging heat-conducting fins on the heat-conducting pipe, the contact area between the heat-conducting pipe and the exhaust gas in the heat exchange cylinder is larger, and the heat-conducting effect is better.
  • the heat pipe By extending the heat-conducting pipe into In the water storage tank, the heat pipe can not only heat the liquid flowing through the heat pipe, but also heat the liquid in the water storage tank, further improving the heat conduction effect of the heat pipe; the flow limiting component on the heat pipe can not only reduce the amount of liquid in the heat pipe The flow rate can also prevent a large amount of liquid in the water storage tank from flowing back into the heat pipe, which is conducive to ensuring the overall heating effect of this waste heat recovery device.
  • Figure 1 is a schematic structural diagram of the utility model
  • Figure 2 is a partial enlarged view of point A in Figure 1;
  • Figure 3 is a schematic structural diagram of the interior of the heat exchange cylinder in the embodiment of the present utility model
  • Figure 4 is a schematic structural diagram of the current limiting component in the embodiment of the present invention.
  • 1-heat exchange cylinder 2-sealing door; 3-ventilation pipe; 4-foreign body collection box; 5-water inlet pipe; 6-water storage tank; 7-water outlet pipe; 8-interception net; 9-control valve; 10-method Blue tube; 11-heat pipe; 12-flow limiting component; 13-heat-conducting fin; 14-blocking piece; 15-guide cover; 16-guide sleeve; 17-guide column; 18-elastic element; 19-limit Bit block; 20-dredge rod; 21-clamp; 22-cutting piece; 23-cutting piece; 24-handle piece.
  • connection should be understood in a broad sense.
  • it can be a fixed connection or a removable connection.
  • Detachable connection, or integral connection can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components.
  • connection should be understood through specific situations.
  • a waste heat recovery device for boiler equipment includes a rectangular heat exchange cylinder 1, filter mechanisms provided at the left and right ends of the heat exchange cylinder 1, and a heat exchange mechanism provided in the heat exchange cylinder 1;
  • the filtering mechanism includes a breather tube 3 provided on the heat exchange cylinder 1 and an interception net 8 provided in the breather tube 3.
  • a foreign matter collection box 4 is provided on the breather tube 3 at a position corresponding to the position below the interception net 8.
  • the foreign matter collection box 4 is provided.
  • the box 4 is connected to the ventilation pipe 3;
  • the heat exchange mechanism includes a plurality of heat conduction tubes 11 arranged at intervals in the heat exchange cylinder 1, and heat conduction components provided on the heat conduction tubes 11. Both ends of each of the heat transfer tubes 11 extend out.
  • Heat exchange cylinder 1; a water storage component is provided above the heat exchange cylinder 1 at a position corresponding to the heat conduction pipe 11, and a water supply component is provided below at a position corresponding to the heat conduction pipe 11.
  • the vent pipe 3 is connected to the heat exchange cylinder 1.
  • the vent pipe 3 can be welded and fixed on the heat exchange cylinder 1, or it can be connected to the heat exchange cylinder 1 through a flange.
  • the interceptor net 8 can be welded and fixed on the vent pipe 3. This invention Those skilled in the art can also use other methods to install the fixed interception net 8 and the ventilation pipe 3; the interception net 8 can intercept large pieces of foreign matter to avoid damage to the heat-conducting fins 13 or the heat-conducting tube 11 due to the impact of foreign matter, which improves the The safety and reliability of the waste heat recovery device during use.
  • the foreign matter collection box 4 can be installed and fixed on the ventilation pipe 3 by screws.
  • a drop opening can be provided on the ventilation pipe 3 at a position corresponding to the foreign body collection box 4.
  • a mechanical sealing structure can be provided between the foreign body collection box 4 and the ventilation pipe 3.
  • Those skilled in the art can also choose the installation and sealing method of the foreign matter collection box 4 as needed, as long as a stable connection between the foreign matter collection box 4 and the ventilation pipe 3 can be achieved, and the foreign matter collection box 4 can be well collected and intercepted
  • the foreign matter intercepted by the net 8 prevents the foreign matter from clogging the interception net 8 and ensures the ventilation performance of this waste heat recovery device.
  • the heat exchange cylinder 1 is provided with a removable sealing door 2 at a position corresponding to the heat transfer pipe 11; specifically, the sealing door 2 can be the door body used in existing waste heat boilers, and the sealing door 2 can be installed through a rotating shaft or hinge.
  • the heat exchange cylinder 1 can be provided with a locking device, such as a hasp lock, for fixing the sealing door 2.
  • a locking device such as a hasp lock
  • Those skilled in the art can also choose other structures of the sealing door 2 and the installation of the sealing door 2.
  • the fixing method is as long as the sealing door 2 can be opened and closed on the heat exchange cylinder 1 to facilitate the operator to clean or maintain the heat pipe 11 and the heat conduction fin 13. By setting the sealing door 2, the operator can clean it very conveniently.
  • the dust in the heat exchange cylinder 1 ensures the heat conduction efficiency of the heat exchange tube and the heat conduction fins 13, which is beneficial to improving the heat recovery efficiency of this waste heat recovery device.
  • the heat-conducting assembly includes heat-conducting fins 13 provided on the heat-conducting tube 11.
  • a plurality of the heat-conducting fins 13 are arranged at intervals along the length direction of the heat-conducting tube 11.
  • the heat-dissipating fins on two adjacent heat-conducting tubes 11 are V-shaped or Inverted V-shaped arrangement; specifically, the heat transfer tube 11 can be welded and fixed on the heat exchange cylinder 1, and those skilled in the art can also install and fix the heat transfer tube 11 in other ways, and each heat transfer tube 11 is arranged vertically.
  • the heat-conducting fins 13 can be integrally formed with the heat-conducting pipe 11 or can be welded and fixed. Those skilled in the art can also install and fix the heat-conducting fins 13 in other ways. By densely covering the heat-conducting fins 13 on the heat-conducting pipe 11, the heat-conducting fins can be fixed. 13 can better conduct the heat in the exhaust gas to the heat pipe 11.
  • the heat on the heat pipe 11 can heat the liquid in the heat pipe 11 and the water storage tank 6 to realize the recovery and utilization of the waste heat of the exhaust gas; it is V-shaped or inverted V.
  • the heat-conducting fins 13 arranged in a shape can form a wavy gas flow gap.
  • the wavy gas flow gap can slow down the flow speed of the exhaust gas without blocking the flow of the exhaust gas.
  • the high-temperature exhaust gas can better heat the heat-conducting fins 13 and the heat-conducting tubes 11, greatly improving the heat collection efficiency of the heat-conducting fins 13 and the heat-conducting tubes 11, which is beneficial to improving the overall heating efficiency of this waste heat recovery device.
  • the water storage component includes a water storage tank 6 provided on the heat exchange cylinder 1 and a water outlet pipe 7 provided on the water storage tank 6; the heat conduction pipe 11 is connected with the water storage tank 6, and one end of the heat conduction pipe 11 extends into the water storage tank 6.
  • Flow-limiting assembly 12 specifically, the water storage tank 6 can be welded and fixed on the heat exchange cylinder 1.
  • Those skilled in the art can also install and fix the water storage tank 6 in other ways, as long as the water storage tank 6 and the heat exchange cylinder 1 can be connected.
  • a stable connection is enough; by extending the heat pipe 11 into the water storage tank 6, the heat pipe 11 can not only heat the liquid flowing through the heat pipe 11, but also directly heat the liquid in the water storage tank 6, further improving the efficiency of the heat pipe 11 thermal conductivity effect.
  • the flow limiting assembly 12 includes a blocking member 14 slidably provided on the heat pipe 11.
  • One end of the blocking member 14 facing the heat pipe 11 is provided with a tapered end that matches the mouth of the heat pipe 11, and the other side is provided with a dome.
  • the heat-conducting pipe 11 is evenly provided with at least two guide posts 17 around it, and the blocking member 14 is provided with a guide sleeve 16 that slides with the guide posts 17; the guide posts 17 pass through One end of the guide sleeve 16 is provided with a limiting block 19, and the other end is provided on the heat pipe 11.
  • the guide column 17 is provided with an elastic element 18 at a position corresponding to the position between the limiting block 19 and the guide sleeve 16. The elastic element 18 One end resists the limit block 19, and the other end resists the guide sleeve 16.
  • the blocking member 14 is a T-shaped structural member, and the flow guide 15 can be integrally formed with the blocking member 14 or welded and fixed.
  • the heat pipe 11 can also be provided with a chamfer that matches the cone end;
  • the elastic element 18 can be a compression spring, and the guide sleeve 16 can be welded and fixed on the blocking member 14 or the deflector 15, or can be
  • the blocking member 14 or the flow guide cover 15 is formed in one piece, and a through hole for installing the guide sleeve 16 can be provided on the blocking member 14 or the flow guide cover 15;
  • the guide column 17 can be welded and fixed on the heat pipe 11, and the limit block 19 It can be welded or installed and fixed on the guide column 17 through screws.
  • Those skilled in the art can also install the above components in other ways, which will not be described again here.
  • the water inlet pipe 5 can be installed and fixed on the heat exchange cylinder 1 through a pipe clamp. Those skilled in the art can also use other methods to install and fix the water inlet pipe 5 on the heat exchange cylinder 1.
  • the water inlet pipe 5 can also be connected with a water pump or booster.
  • the tapered end of the blocking member 14 can be inserted downward into the heat pipe 11 under the reset elastic force of the elastic element 18 to achieve the blocking of the heat pipe 11 ;
  • the blocking member 14 can play a very good blocking role in the heat pipe 11, preventing a large amount of hot water in the water storage tank 6 from flowing back, thereby preventing the cold and hot water in the waste heat recovery device from neutralizing, which is beneficial to ensuring For the heating effect of this device, those skilled in the art can select the elastic element 18 with appropriate specifications or elasticity according to needs. As long as the elastic element 18 can drive the blocking member 14 to properly heat the heat pipe 11 without affecting the flow of water, Just block it;
  • the operator can control the flow rate of the water inlet pipe 5 and the flow rate of the heat transfer pipe 11 by controlling the water supply pressure, which is very convenient to operate; when the heat transfer pipe 11 supplies water to the water storage tank 6, the blocking member 14 also It can play a certain blocking role in the water flow, reduce the flow rate of water entering the water storage tank 6 through the heat transfer pipe 11, and increase the heating time and heating effect of the water flow in the heat transfer pipe 11; because the blocking member 14 and the heat transfer pipe 11 are not completely sealed Together, a small amount of leakage from the heat transfer pipe 11 will not affect the overall heating effect of the device, and the leaked water from the heat transfer pipe 11 can also be used to wash away the scale debris during the cleaning process of the heat transfer pipe 11, making it convenient for the operator to subsequently clean the heat transfer pipe 11. Limescale.
  • the water outlet pipe 7 is arranged on the water storage tank 6 at a position corresponding to the top of the heat transfer pipe 11; when the water in the heat transfer pipe 11 is replenished into the water storage tank 6, the water flowing out through the heat transfer pipe 11 can flow along the guide cover 15 Deflection occurs, and cold water can flow to the bottom of the water storage tank 6. Since hot water and cold water will stratify, the water temperature in the upper layer of the water storage tank 6 is higher. Therefore, by guiding the cold water in the heat pipe 11 to the lower layer of the water storage tank 6, it can be avoided. Mixing hot and cold water ensures the water temperature in the upper layer of the water storage tank 6, thereby ensuring that all the heated hot water discharged through the water outlet pipe 7 is heated, thereby improving the heating effect of this waste heat recovery device.
  • the water inlet assembly includes a water inlet pipe 5 provided on the heat exchange cylinder 1 and a control valve 9 provided on the water inlet pipe 5.
  • the water inlet pipe 5 is connected to the heat transfer pipe 11 through an L-shaped flange pipe 10; specifically, Both the control valve 9 and the flange pipe 10 can be connected to the water inlet pipe 5 through flanges.
  • the control valve 9 can use existing electronically controlled valves or manual valves, such as butterfly valves, etc.
  • valves and installation methods of the valves can also use other forms of valves and installation methods of the valves, as long as the connection of the water inlet pipe 5 can be realized
  • the operator can easily disassemble the flange pipe 10 by closing the control valve 9, which facilitates subsequent cleaning or maintenance of the heat transfer pipe 11.
  • the heat exchange cylinder 1 is provided with a dredge rod 20 for dredging the heat pipe 11.
  • One end of the dredge rod 20 is provided with a cutting piece 22 that matches the heat pipe 11, and the other end is provided with a handle 24.
  • the water storage tank 6 is There is a clamp 21 for fixing the dredge rod 20; specifically, the clamp 21 can be installed and fixed on the heat exchange cylinder 1 through screws. Those skilled in the art can also install and fix the clamp 21 in other ways.
  • the clamp 21 can be set Two or more can be provided.
  • clamps 21 can also select appropriate clamps 21 as needed, as long as those skilled in the art can use the clamps 21 to fix the dredge rod 20; the handle 24 can be integrated with the dredge rod 20 It can be formed or welded and fixed, and those skilled in the art can choose at their own discretion.
  • the cutting piece 22 can be integrally formed with the dredge rod 20, or can be welded and fixed, and those skilled in the art can choose at their own discretion.
  • the cutting piece 22 is a cross-shaped structural member, and each end of the cutting piece 22 is provided with an arc-shaped cutting piece 23 that slides with the heat pipe 11; specifically, the cutting piece 23 can be integrally formed with the cutting piece 22, or can be For welding and fixation, those skilled in the art can choose by themselves. Both the cutting piece 22 and the cutting blade 23 can be provided with a bevel or a cone for scraping the ditch.
  • the cross-shaped cutting piece 22 can not only crush and remove large pieces of scale.
  • the broken ditch debris can fall out of the heat pipe 11 through the cutting piece 22, which is very convenient to operate, and the cutting piece 23 can play a very good role in scraping the ditch on the inner wall of the heat pipe 11 to avoid Scale remains on the inner wall of the heat pipe 11, thereby improving the thermal conductivity efficiency and effect of the heat pipe 11.
  • the operator can first close the control valve 9, then remove the flange pipe 10, insert the cutting piece 22 on the clearing rod 20 into the heat pipe 11, and repeatedly pull the clearing rod 20 , use the cutting piece 22 and the cutting disk 23 on the dredge rod 20 to clean the scale in the heat transfer pipe 11.
  • the water leaking through the heat transfer pipe 11 can flush the debris in the heat transfer pipe 11 out of the heat transfer pipe 11.
  • the operator can also use the dredge rod 20 to push up the blocking member 14 to connect the heat transfer pipe 11 with the water storage tank 6, and use the water in the water storage tank 6 to quickly flush the heat transfer pipe 11, and then
  • the purpose of cleaning the heat pipe 11 is quickly achieved, and the operation is very convenient, which greatly improves the cleaning efficiency of the heat pipe 11.
  • there is no need to drain the water in the water storage tank 6 during the cleaning process which greatly reduces the difficulty of cleaning this device.
  • the utility model has a simple structure, high waste heat recovery and utilization efficiency, and is easy to assemble and maintain. It is especially convenient for operators to clean dust and scale in the device. It is very convenient to clean, greatly reducing the difficulty of maintenance and use of this waste heat recovery device, and improving This improves the reliability and service life of this device during operation; by arranging heat-conducting fins on the heat-conducting pipe, the contact area between the heat-conducting pipe and the exhaust gas in the heat exchange cylinder is larger, and the heat-conducting effect is better.
  • the heat pipe By extending the heat-conducting pipe into In the water storage tank, the heat pipe can not only heat the liquid flowing through the heat pipe, but also heat the liquid in the water storage tank, further improving the heat conduction effect of the heat pipe; the flow limiting component on the heat pipe can not only reduce the amount of liquid in the heat pipe The flow rate can also prevent a large amount of liquid in the water storage tank from flowing back into the heat pipe, which is conducive to ensuring the overall heating effect of this waste heat recovery device.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

La présente invention concerne un dispositif de récupération de chaleur pour un équipement de chaudière, ledit dispositif comprenant un cylindre d'échange de chaleur (1), des mécanismes de filtration disposés de manière correspondante à l'extrémité gauche et à l'extrémité droite du cylindre d'échange de chaleur (1), et un mécanisme d'échange de chaleur disposé dans le cylindre d'échange de chaleur (1). Les mécanismes de filtration comprennent chacun un tuyau de ventilation (3) disposé sur le cylindre d'échange de chaleur (1) et un filet d'interception (8) disposé dans le tuyau de ventilation (3), une boîte de collecte de matières étrangères (4) est disposée sur le tuyau de ventilation (3) à un emplacement correspondant à la partie inférieure du filet d'interception (8), et la boîte de collecte de matières étrangères (4) communique avec le tuyau de ventilation (3). Le mécanisme d'échange de chaleur comprend une pluralité de tuyaux de conduction de chaleur (11) agencés à des intervalles dans le cylindre d'échange de chaleur (1) et des ensembles de conduction de chaleur disposés sur les tuyaux de conduction de chaleur (11), et deux extrémités de chaque tuyau de conduction de chaleur (11) s'étendent hors du cylindre d'échange de chaleur (1). Le dispositif décrit présente une structure simple, une efficacité de recyclage de chaleur perdue élevée, et est facile à assembler et à entretenir. En particulier, il est pratique pour des opérateurs de nettoyer la poussière et l'incrustation dans le dispositif, et le dispositif est très pratique à nettoyer, ce qui réduit considérablement la difficulté d'entretien et d'utilisation du dispositif de récupération de chaleur et améliore la fiabilité et la durée de vie du dispositif pendant le fonctionnement.
PCT/CN2022/092925 2022-05-06 2022-05-16 Dispositif de récupération de chaleur pour équipement de chaudière WO2023212978A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202221142205.XU CN217715008U (zh) 2022-05-06 2022-05-06 一种锅炉设备用余热回收装置
CN202221142205.X 2022-05-06

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WO2023212978A1 true WO2023212978A1 (fr) 2023-11-09

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CN (1) CN217715008U (fr)
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CN213811864U (zh) * 2020-11-17 2021-07-27 安阳三立锅炉科技有限公司 锅炉烟气排放余热利用装置
CN113405079A (zh) * 2021-06-29 2021-09-17 浙江诚邦新能源科技有限公司 一种储热型余热回收装置
CN214801377U (zh) * 2021-07-15 2021-11-23 内蒙古蒙金生态科技有限公司 一种沙漠治理用具有防堵能力的滴灌管道
CN216205632U (zh) * 2021-11-05 2022-04-05 山东省博兴县华泰彩钢有限公司 一种用于清洗轧机热交换器的装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080115923A1 (en) * 2005-04-04 2008-05-22 Denso Corporation Exhaust heat recovering device
US20070289721A1 (en) * 2006-06-14 2007-12-20 Denso Corporation Loop type heat pipe and waste heat recovery device
CN210660736U (zh) * 2019-09-30 2020-06-02 浙江雅弗泵业股份有限公司 一种具有快速引流功能的导流罩
CN111425876A (zh) * 2020-04-01 2020-07-17 朱陆一 燃油锅炉烟气回收装置
CN213119147U (zh) * 2020-09-16 2021-05-04 天津华电福源热电有限公司 一种锅炉余热回收装置
CN112378282A (zh) * 2020-11-09 2021-02-19 河南省锅炉压力容器安全检测研究院 一种锅炉烟气余热回收器及其余热回收方法
CN213811864U (zh) * 2020-11-17 2021-07-27 安阳三立锅炉科技有限公司 锅炉烟气排放余热利用装置
CN113405079A (zh) * 2021-06-29 2021-09-17 浙江诚邦新能源科技有限公司 一种储热型余热回收装置
CN214801377U (zh) * 2021-07-15 2021-11-23 内蒙古蒙金生态科技有限公司 一种沙漠治理用具有防堵能力的滴灌管道
CN216205632U (zh) * 2021-11-05 2022-04-05 山东省博兴县华泰彩钢有限公司 一种用于清洗轧机热交换器的装置

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