WO2022077840A1 - Dispositif de récupération de chaleur perdue à partir d'un appareil mécanique - Google Patents

Dispositif de récupération de chaleur perdue à partir d'un appareil mécanique Download PDF

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Publication number
WO2022077840A1
WO2022077840A1 PCT/CN2021/078346 CN2021078346W WO2022077840A1 WO 2022077840 A1 WO2022077840 A1 WO 2022077840A1 CN 2021078346 W CN2021078346 W CN 2021078346W WO 2022077840 A1 WO2022077840 A1 WO 2022077840A1
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WO
WIPO (PCT)
Prior art keywords
gas
heat
fixedly installed
filter
waste heat
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Application number
PCT/CN2021/078346
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English (en)
Chinese (zh)
Inventor
瓮玉山
Original Assignee
苏州赛荣建筑装饰工程有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 苏州赛荣建筑装饰工程有限公司 filed Critical 苏州赛荣建筑装饰工程有限公司
Priority to PCT/CN2021/078346 priority Critical patent/WO2022077840A1/fr
Publication of WO2022077840A1 publication Critical patent/WO2022077840A1/fr

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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
    • F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
    • F28C1/08—Arrangements for recovering heat from exhaust steam
    • 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

Definitions

  • the utility model relates to the technical field of waste heat recovery, in particular to a waste heat recovery device for mechanical equipment.
  • Heat exchangers play an important role in chemical, petroleum, power, food and many other industrial productions. In chemical production, heat exchangers can be used as heaters, coolers, condensers, evaporators and reboilers, etc., and are widely used. .
  • the PTFE heat exchanger for low temperature in the power plant is a new type of equipment for waste heat recovery in the power plant to reduce the exhaust gas temperature.
  • the use of fluoroplastic heat exchanger can prevent acid corrosion and reduce the flue gas temperature to less than 100 degrees.
  • the impurities in the gas cannot be filtered, and the impurities will block the heat exchange heat backup, and at the same time, the heat recovery is not complete, and there is still a large amount of heat energy. Cannot be recycled.
  • the purpose of the present invention is to provide a waste heat recovery device for mechanical equipment to solve the problems raised in the above background technology.
  • a device for recycling waste heat of mechanical equipment comprising a body, a base and an inspection window, the base is fixedly installed at the bottom of the body, and the side wall of the body is fixedly provided with an inspection window
  • a gas collecting pump is fixedly installed at the bottom of one end of the body, and a gas filter is fixedly installed at one end of the bottom of the inner cavity of the body, and the gas filter is connected with the gas outlet of the gas collecting pump through a pipeline, and the inner cavity of the gas filter is fixedly installed with a gas filter.
  • Filter cotton one side of the filter cotton is fixedly installed with an activated carbon layer, the other end of the gas filter is fixedly connected with a check valve, the other end of the body cavity is fixedly installed with a heat exchanger, and the bottom of one end of the heat exchanger is fixed
  • the air inlet pipe is fixedly installed, and one end of the air inlet pipe is connected with the check valve.
  • the hot gas can be collected by the cooperation of the air collecting pump and the air guide pipe.
  • the gas is injected into the gas filter, and the filter cotton and activated carbon layer are arranged in the gas filter. ,
  • the large particle dust in the gas can be filtered through the filter cotton, and the irritating gas molecules of the gas can be absorbed by the activated carbon layer, which can improve the cleanliness of the gas.
  • the inner cavity of the heat exchanger conducts heat exchange through full contact between the gas and the water molecules, which can quickly absorb the heat in the gas, thereby realizing the heating of the water molecules.
  • the No. 1 exhaust pipe is discharged into the heat collecting box, and the solution in the heat collecting box can be heated by the gas, so as to realize the secondary recovery of the heat of the gas, which can effectively improve the quality of heat recovery.
  • the gas passes through the No. 2 exhaust.
  • the pipe is drained, the drain valve is opened, and the solution can be pumped out through the drain pump.
  • the air inlet end of the air collecting pump is fixedly connected with an air duct, the surface of the air duct is fixedly covered with thermal insulation cotton, and the surface of the air duct is covered with thermal insulation cotton. Reduce heat loss.
  • a water inlet pipe is fixedly installed on the top of one end of the heat exchanger, and the water inlet pipe is connected with the water source, and water can be injected into the heat exchanger.
  • a drain pipe is fixedly installed at the bottom of one end of the heat exchanger, and the aqueous solution after heat exchange can be discharged through the drain pipe.
  • a No. 1 exhaust pipe is fixedly installed on the top of one end of the heat exchanger, and the No. 1 exhaust pipe can discharge the heat-exchanged gas.
  • a heat collecting box is fixedly installed on the top of the heat exchanger, and one side of the heat collecting box is connected to the No. 1 exhaust pipe, and the heat collecting box can perform secondary heat recovery on the gas.
  • a No. 2 exhaust pipe is fixedly connected to the top of the heat collecting box, and the No. 2 exhaust pipe is located on the upper surface of the body, and the No. 2 exhaust pipe can discharge gas.
  • a water injection pipe is fixedly installed on one side of the No. 2 exhaust pipe, and water can be injected into the heat collecting box through the water injection pipe.
  • a drain pump is fixedly installed at one end of the heat collecting box, and the heated aqueous solution can be discharged by turning on the drain pump.
  • one end of the drain pump is fixedly connected with a drain valve through a pipeline, the drain valve is located above the water inlet pipe, and the drain valve can close the water pipe.
  • the gas is injected into the gas filter, and the gas filter is provided with a filter cotton and an activated carbon layer.
  • the large particle dust in the gas can be filtered through the filter cotton, and the irritating gas molecules of the gas can be filtered through the activated carbon layer. Absorption can improve the cleanliness of the gas.
  • the gas is injected into the inner cavity of the heat exchanger through the intake pipe, and the heat is exchanged through the full contact between the gas and the water molecules in the inner cavity of the heat exchanger, which can quickly absorb the heat in the gas, thereby realizing the heating of the water molecules.
  • the water After the water is heated, it is discharged from the drain pipe, and the gas after heat absorption is discharged into the heat collecting box through the No. 1 exhaust pipe.
  • the solution in the heat collecting box can be heated by the gas, thereby realizing the secondary recovery of the gas heat. It can effectively improve the quality of heat recovery.
  • Fig. 1 is the overall structure schematic diagram
  • Fig. 2 is a schematic diagram of the internal structure
  • Fig. 3 is the structural representation of gas filter
  • Figure 4 is a schematic diagram of the structure of the heat exchanger
  • the present invention provides the following technical solutions: comprising a body 1, a base 101 and an inspection window 102, the base 101 is fixedly installed at the bottom of the body 1, and an inspection window 102 is fixedly opened on the side wall of the body 1, A gas collecting pump 2 is fixedly installed at the bottom of one end of the body 1, and a gas filter 203 is fixedly installed at one end of the bottom of the inner cavity of the body 1, and the gas filter 203 is connected to the gas outlet end of the gas collecting pump 2 through a pipeline.
  • a filter cotton 204 is fixedly installed in the inner cavity of 203, an activated carbon layer 205 is fixedly installed on one side of the filter cotton 204, a check valve 206 is fixedly connected to the other end of the gas filter 203, and the other end of the inner cavity of the body 1 is fixedly installed
  • an air inlet pipe 301 is fixedly installed at the bottom of one end of the heat exchanger 3, and one end of the air inlet pipe 301 is connected with the check valve 206. It is injected into the gas filter 203.
  • the gas filter 203 is provided with a filter cotton 204 and an activated carbon layer 205.
  • the filter cotton 204 can filter the large particles of dust in the gas, and the activated carbon layer 205 can be used to irritate the gas.
  • the absorption of gas molecules can improve the cleanliness of the gas.
  • the gas is injected into the inner cavity of the heat exchanger 3 through the air inlet pipe 301. In the inner cavity of the heat exchanger 3, the gas is fully contacted with the water molecules for heat exchange, which can reduce the heat in the gas. Rapid absorption is carried out to achieve heating of water molecules. After the water is heated, it is discharged from the drain pipe 303. The gas after heat absorption is discharged into the heat collecting box 4 through the No. 1 exhaust pipe 304, and the heat can be collected by the gas.
  • the solution in the box 4 is heated, so as to realize the secondary recovery of the heat of the gas, which can effectively improve the quality of the heat recovery.
  • the gas is discharged through the No. 2 exhaust pipe 402, the drain valve 404 is opened, and the solution can be pumped out through the drain pump 403. .
  • An air duct 201 is fixedly connected to the air inlet end of the air collecting pump 2.
  • the surface of the air duct 201 is fixedly covered with thermal insulation cotton 202, and the surface of the air duct 201 is covered with thermal insulation cotton 202. During the conveying process, the loss of heat is reduced.
  • a water inlet pipe 302 is fixedly installed on the top of one end of the heat exchanger 3 , and the water inlet pipe 302 is connected with the water source, and water can be injected into the heat exchanger 3 .
  • a drain pipe 303 is fixedly installed at the bottom of one end of the heat exchanger 3, and the aqueous solution after heat exchange can be discharged through the drain pipe 303.
  • a No. 1 exhaust pipe 304 is fixedly installed on the top of one end of the heat exchanger 3 , and the No. 1 exhaust pipe 304 can discharge the heat-exchanged gas.
  • a heat collecting box 4 is fixedly installed on the top of the heat exchanger 3, and one side of the heat collecting box 4 is connected with the No. 1 exhaust pipe 304, and the heat collecting box 4 can perform secondary heat recovery for the gas.
  • a No. 2 exhaust pipe 402 is fixedly connected to the top of the heat collecting box 4 , and the No. 2 exhaust pipe 402 is located on the upper surface of the body 1 , and the No. 2 exhaust pipe 402 can discharge gas.
  • a water injection pipe 401 is fixedly installed on one side of the No. 2 exhaust pipe 402 , and water can be injected into the heat collecting tank 4 through the water injection pipe 401 .
  • a drain pump 403 is fixedly installed at one end of the heat collecting box 4 , and the heated aqueous solution can be discharged by turning on the drain pump 403 .
  • One end of the drain pump 403 is fixedly connected with a drain valve 404 through a pipeline, and the drain valve 404 is located above the water inlet pipe 302 , and the drain valve 404 can close the water pipe.
  • a base 101 is fixedly installed at the bottom of the body 1, and the base 101 can make the body 1 more stable during operation.
  • An inspection window 102 is provided on one side of the body 1. After the inspection window 102 is opened, the body 1 can be opened. The waste heat recovery equipment in the inner cavity is repaired, which is more convenient to use.
  • one end of the air duct 201 is connected to the mechanical hot air discharge end.
  • the surface of the air duct 201 is covered with thermal insulation cotton 202.
  • the gas filter 203 is provided with a filter cotton 204 and an activated carbon layer 205.
  • the filter cotton 204 can filter the large particles of dust in the gas, and at the same time, the activated carbon layer 205 can absorb the irritating gas molecules of the gas, which can improve the gas.
  • Cleanliness the gas is injected into the inner cavity of the heat exchanger 3 through the air inlet pipe 301, and the heat exchange is carried out through the full contact between the gas and the water molecules in the inner cavity of the heat exchanger 3, which can quickly absorb the heat in the gas, thereby realizing the water Molecular heating, the water is heated and discharged from the drain pipe 303, and the gas after heat absorption is discharged into the heat collecting box 4 through the No.

Abstract

Est décrit un dispositif de récupération de chaleur perdue à partir d'un appareil mécanique, le dispositif comprenant un corps, une base et une fenêtre de révision. La base est montée de manière fixe au fond du corps ; la fenêtre de révision est disposée de manière fixe dans une paroi latérale du corps ; une pompe de collecte de gaz est montée de manière fixe au fond d'une extrémité du corps ; un filtre à gaz est monté de manière fixe à une extrémité du fond d'une cavité interne du corps, et le filtre à gaz est relié à une extrémité de sortie de gaz de la pompe de collecte de gaz au moyen d'une canalisation ; du coton filtrant est monté de manière fixe dans une cavité interne du filtre à gaz ; une couche de charbon actif est montée de manière fixe sur un côté du coton filtrant ; un clapet anti-retour est relié de manière fixe à l'autre extrémité du filtre à gaz ; un échangeur de chaleur est monté de manière fixe à l'autre extrémité de la cavité interne du corps ; et un tuyau d'admission de gaz est monté de manière fixe au fond d'une extrémité de l'échangeur de chaleur. Le présent modèle d'utilité est scientifique et rationnel en termes de structure et est sûr et pratique à utiliser, et peut filtrer des impuretés dans un gaz pendant le processus de récupération de chaleur, de façon à empêcher les impuretés de bloquer un appareil d'échange de chaleur et à récupérer de la chaleur de façon plus minutieuse, ce qui permet d'obtenir un meilleur effet d'utilisation.
PCT/CN2021/078346 2021-02-28 2021-02-28 Dispositif de récupération de chaleur perdue à partir d'un appareil mécanique WO2022077840A1 (fr)

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PCT/CN2021/078346 WO2022077840A1 (fr) 2021-02-28 2021-02-28 Dispositif de récupération de chaleur perdue à partir d'un appareil mécanique

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Application Number Priority Date Filing Date Title
PCT/CN2021/078346 WO2022077840A1 (fr) 2021-02-28 2021-02-28 Dispositif de récupération de chaleur perdue à partir d'un appareil mécanique

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WO2022077840A1 true WO2022077840A1 (fr) 2022-04-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116608703A (zh) * 2023-06-05 2023-08-18 南通奥新电子科技有限公司 一种钛酸盐生产过程用的余热利用装置及其使用方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5551288A (en) * 1978-10-12 1980-04-14 Takasago Thermal Eng Co Lts Waste heat recovery method of exhaust gas
CN104315898A (zh) * 2014-11-07 2015-01-28 黄秀琼 一种烟气余热回收换热器
CN208260476U (zh) * 2018-02-07 2018-12-21 无锡市麦司韦尔新技术有限公司 一种吸附式干燥机用热量回收装置
CN111895801A (zh) * 2020-06-16 2020-11-06 大唐绥化热电有限公司 一种热电厂汽轮机余热利用系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5551288A (en) * 1978-10-12 1980-04-14 Takasago Thermal Eng Co Lts Waste heat recovery method of exhaust gas
CN104315898A (zh) * 2014-11-07 2015-01-28 黄秀琼 一种烟气余热回收换热器
CN208260476U (zh) * 2018-02-07 2018-12-21 无锡市麦司韦尔新技术有限公司 一种吸附式干燥机用热量回收装置
CN111895801A (zh) * 2020-06-16 2020-11-06 大唐绥化热电有限公司 一种热电厂汽轮机余热利用系统

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116608703A (zh) * 2023-06-05 2023-08-18 南通奥新电子科技有限公司 一种钛酸盐生产过程用的余热利用装置及其使用方法
CN116608703B (zh) * 2023-06-05 2023-12-19 南通奥新电子科技有限公司 一种钛酸盐生产过程用的余热利用装置及其使用方法

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