WO2020177221A1 - Dispositif d'élimination de gaz de combustion, d'élimination de poussière, d'élimination de soufre et d'utilisation de chaleur perdue pour four à source de chaleur - Google Patents

Dispositif d'élimination de gaz de combustion, d'élimination de poussière, d'élimination de soufre et d'utilisation de chaleur perdue pour four à source de chaleur Download PDF

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Publication number
WO2020177221A1
WO2020177221A1 PCT/CN2019/087842 CN2019087842W WO2020177221A1 WO 2020177221 A1 WO2020177221 A1 WO 2020177221A1 CN 2019087842 W CN2019087842 W CN 2019087842W WO 2020177221 A1 WO2020177221 A1 WO 2020177221A1
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WO
WIPO (PCT)
Prior art keywords
flue gas
water tank
desulfurization
removal
heat source
Prior art date
Application number
PCT/CN2019/087842
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English (en)
Chinese (zh)
Inventor
谢一中
Original Assignee
谢一中
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 谢一中 filed Critical 谢一中
Publication of WO2020177221A1 publication Critical patent/WO2020177221A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters

Definitions

  • the invention relates to the technical field of flue gas treatment, in particular to a waste heat utilization equipment for smoke elimination, dust removal and desulfurization of a heat source furnace.
  • the purpose of the present invention is to provide a heat source furnace smoke removal, dust removal and desulfurization waste heat utilization equipment to solve the above-mentioned background art problems.
  • a heat source furnace smoke removal, dust removal and desulfurization waste heat utilization equipment comprising a chimney communicating pipe and a flue gas discharge outlet, the chimney communicating pipe communicates with the heat source furnace chimney, and the chimney communicating pipe and the flue gas outlet are both connected to the flue dust desulfurization and purification
  • the water tank is connected, and the flue gas hood and the overflow pipe for limiting the water level of the flue dust desulfurization and purification water tank are provided in the flue dust desulfurization and purification water tank, and the flue gas hood is covered above the chimney connecting pipe; the flue gas desulfurization and purification
  • a clean water tank for recovering the waste heat of the flue gas is also sleeved outside the water tank.
  • the overflow pipe is arranged between the bottom of the flue gas hood and the top of the chimney connecting pipe to control the water level position.
  • the bottom of the flue dust desulfurization purified water tank is provided with a dirt discharge pipe
  • the bottom of the clean water tank is provided with a hot water pipe
  • both the hot water pipe and the dirt discharge pipe With valve.
  • the chimney connecting pipe is sleeved on the heat source furnace chimney, and is detachably connected to the heat source furnace chimney through several sets of fasteners.
  • an axial flow fan is provided in the flue gas outlet.
  • the fume hood has a dome-shaped structure.
  • annular spray pipe is also provided in the flue dust desulfurization purification water tank, and the annular spray pipe is arranged above the flue gas hood.
  • annular atomizing nozzles are arranged on the inner surface of the annular spray pipe.
  • the outer shell of the clean water tank is made of insulation board material.
  • the outer shell of the clean water tank is also provided with a thermal insulation layer.
  • the smoke removal and dust removal equipment of the heat source furnace provided by the present invention has simple structure, low manufacturing cost, and is convenient for docking installation. It is connected with the chimney communication pipe by setting a flue dust desulfurization purification water tank filled with water, and is covered above the chimney communication pipe.
  • the flue gas hood with a dome-shaped structure can eliminate smoke and dust and purify the flue gas through the aqueous solution containing the desulfurization substance in the flue dust desulfurization purification water tank.
  • the heat carried by the flue gas can be transferred to the clean water in the clean water tank through the outer wall of the soot desulfurization purified water tank. Realize the recovery and utilization of flue gas waste heat heating clean water.
  • annular spray pipe with an annular atomizing nozzle is arranged above the flue gas hood.
  • the annular atomizing nozzle can spray horizontal water mist, which can supplement the flue dust desulfurization purification water tank in the smoke removal, dust removal and desulfurization process
  • the lack of reclaimed water and the secondary purification treatment of the flue gas can improve the smoke removal, dust removal and desulfurization effect of the equipment on the flue gas.
  • Fig. 1 is a schematic structural diagram of a waste heat utilization equipment for smoke elimination, dust removal and desulfurization of a heat source furnace provided in Example 1.
  • Fig. 2 is a schematic structural view of a top view angle of a heat source furnace smoke removal, dust removal and desulfurization waste heat utilization equipment provided in Example 2.
  • Fig. 3 is a schematic structural view of a main view of the waste heat utilization equipment for smoke elimination, dust removal and desulfurization of a heat source furnace provided in Example 2.
  • the terms used should be understood in a broad sense.
  • the specific meanings of the terms can be understood according to actual conditions.
  • the term “installation” used in this application can be defined as detachable fixed installation or non-detachable fixed installation, etc.; the terms “set” and “equipped” used can be defined as contact-type installation or non-removable installation. Contact setting, etc.; the terms “connected” and “connected” used can be defined as fixed connection or movable connection, etc.; the term “matching” used can be defined as the same or similar in shape or size; used
  • the terminology of location words is based on the attached drawings or the direction defined by actual conditions and common knowledge.
  • this embodiment provides a heat source furnace smoke removal, dust removal and desulfurization waste heat utilization equipment, including a base 2, a chimney communicating pipe 4 and a flue gas discharge port 9.
  • the bottom of the base 2 is equipped with several sets of pillars 1 for use
  • the above-mentioned chimney communication pipe 4 is sleeved on the heat source furnace chimney 3, communicates with the heat source furnace chimney 3, and is detachably connected to the heat source furnace chimney 3 through several sets of fasteners 14 without permeation.
  • the firmware 14 can be selected from clamps, circlips, bolts, etc., and can be selected according to the size and shape of the actual heat source furnace chimney 3.
  • the entire device can be sealed and fixed above the heat source furnace chimney 3, and connected with the heat source furnace chimney 3, so that the flue gas discharged from the heat source furnace chimney 3 can be sent to the equipment
  • the installation of the fastener 14 also facilitates the removal of the equipment from the heat source furnace chimney 3, thereby facilitating the installation and maintenance of standard parts of the equipment.
  • the above-mentioned chimney communication pipe 4 extends through the base 2 into the smoke and dust desulfurization purified water tank 6 to communicate with the smoke and dust desulfurization purified water tank 6; the smoke and dust desulfurization purified water tank 6 may contain water or an aqueous solution containing a desulfurizing agent; in addition, A flue gas hood 7 is installed in the above-mentioned flue dust desulfurization and purified water tank 6 through a bracket 8.
  • the above-mentioned flue gas hood 7 is a dome-shaped structure, which is covered above the chimney communication pipe 4, and the bottom of which extends into the flue and dust desulfurization and purified water tank 6 Within the water.
  • the above-mentioned smoke and dust desulfurization purified water tank 6 is also provided with an overflow pipe 13 for limiting the water level of the smoke and dust desulfurization purified water tank 6.
  • the overflow pipe 13 communicates with the smoke and dust desulfurization purified water tank 6, and the above-mentioned overflow pipe 13 is arranged in the flue gas.
  • the position of the water level is controlled between the bottom of the hood 7 and the top of the chimney connecting pipe 4, so as to ensure that the water in the flue gas desulfurization purified water tank 6 can seal the bottom opening of the flue gas hood 7 and prevent the flue dust desulfurization and purified water tank 6
  • the water enters into the chimney communicating pipe 4.
  • the above-mentioned flue gas outlet 9 is installed on the top of the flue dust desulfurization and purified water tank 6 and communicates with the flue dust desulfurization and purified water tank 6; the above-mentioned flue gas outlet 9 is also installed with an axial flow fan 15, the above-mentioned axial flow fan 15 can extract the flue gas discharged from the chimney 3 of the heat source furnace and discharge it from the flue gas outlet 9.
  • the axial flow fan 15 By starting the axial flow fan 15, the flue gas discharged from the chimney 3 of the heat source furnace can be drawn into the flue dust desulfurization purified water tank 6 through the chimney connecting pipe 4, because a dome-shaped flue gas hood 7 is provided above the flue dust desulfurization purified water tank 6.
  • the flue gas can be introduced into the water for smoke elimination and dust removal purification treatment, and then the purified flue gas can be discharged through the flue gas outlet 9.
  • the bottom of the above-mentioned soot desulfurization and purification water tank 6 is also provided with a dirt discharge pipe 12, and the above-mentioned dirt discharge pipe 12 is in communication with the soot and dust desulfurization and purification water tank 6, and there is a valve 11 inside; It is set to regularly discharge the sedimented dirt in the flue dust desulfurization purified water tank 6.
  • the above-mentioned flue gas desulfurization purified water tank 6 is also sheathed with a clean water tank 5, when the flue gas enters the flue dust desulfurization purified water tank 6, the heat can be transferred through the outer wall of the flue dust desulfurization purified water tank 6
  • the water in the soot desulfurization purified water tank 6 can transfer heat to the clean water in the clean water tank 5 through the shell of the soot desulfurization purified water tank 6, so that the clean water in the water tank 5
  • the clean water is heated to realize the recovery and utilization of the waste heat of the flue gas.
  • the outer shell of the above-mentioned smoke and dust desulfurization purified water tank 6 is made of metal, and aluminum alloy material with good thermal conductivity and resistance to sulfur dioxide corrosion or other non-leakage water-holding equipment can be used; the above-mentioned clean water tank 5 is installed on the base 2.
  • the smoke and dust desulfurization purification water tank 6 is installed in the clean water tank 5 and is not connected to the clean water tank 5; the top of the clean water tank 5 is provided with a water inlet for adding clean water; the bottom of the clean water tank 5
  • a hot water pipe 10 is provided.
  • the hot water pipe 10 mentioned above is communicated with the clean water tank 5, and a valve 11 is provided inside for discharging the heated hot water in the clean water tank 5.
  • the above-mentioned base 2, clean water tank 5 and smoke and dust desulfurization purification water tank 6 are all provided with through holes, so that the chimney connecting pipe 4 can pass through the base 2, clean water tank 5 and smoke and dust desulfurization purification water tank 6, and extend into the smoke and dust desulfurization purification water tank.
  • the outer wall of the above-mentioned chimney connecting pipe 4 and the base 2 the clean water tank 5 and the smoke and dust desulfurization purified water tank 6 are all seamlessly welded to ensure that the water in the clean water tank 5 and the smoke and dust desulfurization purified water tank 6 will not leakage.
  • this embodiment is improved on the basis of embodiment 1.
  • the above-mentioned flue dust desulfurization purification water tank 6 is also provided with an annular spray pipe 16.
  • the above-mentioned annular spray pipe 16 is hoisted above the flue gas hood 7 through a bracket 8; the above-mentioned annular spray pipe is connected, and a valve 11 is also provided inside.
  • Several groups of annular atomizing nozzles 17 are provided on the inner side of the above-mentioned annular spray pipe 16.
  • annular atomizing nozzles 17 are all connected to the annular spray pipe 16; through the annular atomizing nozzles 17, the flue gas desulfurization and purification water tank 6 Spraying the horizontal water mist can increase the contact area between the water mist and the flue gas, and the flue gas can be subjected to efficient secondary purification treatment, which can further improve the smoke removal, dust removal and desulfurization effect of the flue gas.
  • the water sprayed by the annular spray pipe 16 falls into the soot desulfurization purified water tank 6, which can ensure that the purified water does not dry up; at the same time, the sprayed water can also be discharged through the overflow pipe 13, thereby ensuring that the soot desulfurization purified water tank 6 The water level will not change to prevent the water in the soot desulfurization purification water tank 6 from entering the heat source furnace chimney 3.
  • the outer shell of the clean water tank 5 is made of insulation board material, specifically, polyurethane insulation board can be used as the material; in addition, the outer shell of the clean water tank 5 is also covered with a layer of insulation layer 18, and the insulation layer 18 can be an existing commercially available insulation layer. coating.
  • the material of the insulation board as the shell of the clean water tank 5 and coating a layer of insulation layer 18 on the shell of the clean water tank 5, the clean water in the clean water tank 5 can be kept warm.
  • the chimney connecting pipe 4 when in use, the chimney connecting pipe 4 is first sleeved on the heat source furnace chimney 3 and sealed and fixed by fasteners 14; then, it can be adjusted by starting the axial flow fan 15
  • the combustion intensity of the hot blast stove, and the flue gas discharged from the chimney 3 of the heat source furnace can be drawn into the flue gas desulfurization purified water tank 6; then, the flue gas can pass through the flue gas hood 7 and enter the water of the flue dust desulfurization purified water tank 6
  • the first purification treatment then, through the annular spray pipe 16, the flue gas emerging from the water surface of the flue dust desulfurization purification water tank 6 can be sprayed, so that the flue gas can be purified for the second time; then, after two passes
  • the processed flue gas can be discharged from the flue gas outlet 9.
  • the heat energy of the flue gas is transferred to the water in the flue dust desulfurization purified water tank 6, and the jacket (5) can heat the clean water in the clean water tank 5 to realize the recovery and utilization of flue gas waste heat.
  • the flue dust desulfurization purification water tank 6 containing the desulfurization solution water is connected to the chimney communicating pipe 4, and the chimney communicating pipe 4 is covered with a dome-shaped flue gas hood 7 to pass
  • the water in the flue gas desulfurization and purification water tank 6 performs a smoke removal and dust removal purification process on the flue gas.
  • the present invention also sets the clean water tank 5 containing clean water outside the smoke and dust desulfurization purified water tank 6, so that the heat carried by the flue gas can be transferred to the clean water in the clean water tank 5 through the smoke and dust desulfurization purified water tank 6, thereby Can realize the recovery and utilization of flue gas waste heat.
  • the flue gas can be purified twice, thereby improving the smoke removal and dust removal of the flue gas. Desulfurization effect.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treating Waste Gases (AREA)
  • Chimneys And Flues (AREA)

Abstract

L'invention concerne un dispositif d'élimination de gaz de combustion, d'élimination de poussière, d'élimination de soufre et d'utilisation de chaleur perdue pour un four à source de chaleur. Le dispositif comprend un tuyau de communication de cheminée (4) et une ouverture d'échappement de gaz de combustion (9), le tuyau de communication de cheminée (4) et l'ouverture d'échappement de gaz de combustion (9) étant tous deux en communication avec un réservoir d'eau de purification de gaz de combustion, de poussière et de soufre (6); un couvercle de gaz de combustion (7) et un tuyau de trop-plein (13) pour limiter le niveau d'eau du gaz de combustion, de la poussière et du réservoir d'eau de purification d'élimination de soufre (6) sont agencés à l'intérieur du gaz de combustion, de la poussière et du réservoir d'eau de purification d'élimination de soufre (6); le couvercle de gaz de combustion (7) recouvre le côté supérieur du tuyau de communication de cheminée (4); et un réservoir d'eau propre (5) pour récupérer la chaleur perdue de gaz de combustion est emmanché à l'extérieur du gaz de combustion, de la poussière et du réservoir d'eau de purification d'élimination de soufre (6).
PCT/CN2019/087842 2019-03-04 2019-05-21 Dispositif d'élimination de gaz de combustion, d'élimination de poussière, d'élimination de soufre et d'utilisation de chaleur perdue pour four à source de chaleur WO2020177221A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910158777.3 2019-03-04
CN201910158777.3A CN109772137A (zh) 2019-03-04 2019-03-04 一种热源炉消烟除尘脱硫余热利用设备

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WO2020177221A1 true WO2020177221A1 (fr) 2020-09-10

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109772137A (zh) * 2019-03-04 2019-05-21 谢一中 一种热源炉消烟除尘脱硫余热利用设备

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881895A (en) * 1972-12-26 1975-05-06 Entoleter Multistage vortical mass contact between media
CN201399316Y (zh) * 2009-04-06 2010-02-10 张继盛 立式锅炉脱硫除尘器
CN201760227U (zh) * 2010-09-02 2011-03-16 白福有 一种带余热回收的烟气湿法除尘脱硫器
CN202113766U (zh) * 2011-05-30 2012-01-18 穆金明 一种水浴冲击式脱硫除尘器
CN204816207U (zh) * 2015-08-26 2015-12-02 梁成 一种新型除尘脱硫器
CN205867874U (zh) * 2016-06-06 2017-01-11 王庭轩 水雾冲击除尘器及湿法除尘脱硫装置
CN109772137A (zh) * 2019-03-04 2019-05-21 谢一中 一种热源炉消烟除尘脱硫余热利用设备

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2284096Y (zh) * 1996-11-06 1998-06-17 乐山五通锅炉有限公司 烟尘净化器

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881895A (en) * 1972-12-26 1975-05-06 Entoleter Multistage vortical mass contact between media
CN201399316Y (zh) * 2009-04-06 2010-02-10 张继盛 立式锅炉脱硫除尘器
CN201760227U (zh) * 2010-09-02 2011-03-16 白福有 一种带余热回收的烟气湿法除尘脱硫器
CN202113766U (zh) * 2011-05-30 2012-01-18 穆金明 一种水浴冲击式脱硫除尘器
CN204816207U (zh) * 2015-08-26 2015-12-02 梁成 一种新型除尘脱硫器
CN205867874U (zh) * 2016-06-06 2017-01-11 王庭轩 水雾冲击除尘器及湿法除尘脱硫装置
CN109772137A (zh) * 2019-03-04 2019-05-21 谢一中 一种热源炉消烟除尘脱硫余热利用设备

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