CN110947253B - Boiler waste heat recovery device for thermal power plant - Google Patents

Boiler waste heat recovery device for thermal power plant Download PDF

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Publication number
CN110947253B
CN110947253B CN201911210947.4A CN201911210947A CN110947253B CN 110947253 B CN110947253 B CN 110947253B CN 201911210947 A CN201911210947 A CN 201911210947A CN 110947253 B CN110947253 B CN 110947253B
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China
Prior art keywords
box
dust
shell
water pipe
collecting sheet
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CN201911210947.4A
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CN110947253A (en
Inventor
倪培林
张明朝
孙景福
杨伟宏
张智
周亦平
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Datang Dongying Power Generation Co Ltd
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Datang Dongying Power Generation Co Ltd
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Priority to CN201911210947.4A priority Critical patent/CN110947253B/en
Publication of CN110947253A publication Critical patent/CN110947253A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/023Pockets filters, i.e. multiple bag filters mounted on a common frame
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04Cleaning filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/06Particle separators, e.g. dust precipitators, having hollow filters made of flexible material with means keeping the working surfaces flat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/70Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
    • B01D46/71Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/006Layout of treatment plant
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/025Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters

Abstract

The invention relates to a boiler waste heat recovery device for a thermal power plant, which comprises a flue gas outlet connected with a boiler body, wherein a heat storage cavity is arranged outside the flue gas outlet, the device also comprises a heat collecting sheet and a water pipe, the heat collecting sheet is positioned inside the heat storage cavity, the heat collecting sheet is sleeved on the outer surface of the flue gas outlet, the water pipe transversely penetrates through the whole flue gas outlet, and the water pipe is spirally wound on the outer surface of the heat collecting sheet.

Description

Boiler waste heat recovery device for thermal power plant
Technical Field
The invention relates to the field of internal equipment of thermal power plants, in particular to a boiler waste heat recovery device for a thermal power plant.
Background
The development of power plants starts with dc power stations. The famous inventor Edison in the United states started to build a central power plant in 1881, and in 1882 there were a total of two primary scale power plants in operation. The Edison company of London, Holland, Enqiao 1 month starts to generate electricity to supply electricity to the post office of the Simmons factory, the cathedral of the West of the bridge, the bridgehead hotel and the like, the power plant drives a direct current generator by using a smoke machine, the voltage is 110V, and the electricity can be used for 1000 Edison bulbs. The same type of unit is installed in the power plant of new york pearl street edison company in the same year, which is the first power plant in the united states, 6 engines are installed in the power plant, and 6000 edison bulbs can be used for power, so later, an overwater power station appears on the fintank river of the russian peturg, and the power station is built on a barge to supply power for lighting in the street of the nives.
In the aspect of power generation and transmission problems, whether direct current or alternating current is considered to be strong debate in the early years. Edison advocates using dc, and people have thought of various methods to expand the range of dc power supply and significantly improve the power supply situation in small and medium-sized cities. However, for power supply in large cities, an improved direct current power station still has no power, and instead, an alternating current power station is established, because for remote power supply, voltage needs to be increased and coordinated to reduce the electric energy loss in a power transmission line, and then the voltage needs to be reduced by a transformer to be transmitted to users. The dc transformer is very complex, while the ac transformer is relatively simple, has no moving parts, and is also convenient to maintain.
Among the prior art power plant mostly uses thermal power generation, and the mode utilizes boiler combustion fuel to carry out the supply of heat source, but behind traditional boiler combustion fuel, can appear a large amount of flue gases, directly discharges, can carry a large amount of heats in the flue gas on the one hand, can't utilize, leads to the heat to run off, the extravagant energy, on the other hand flue gas inside can contain a large amount of particle impurity, can the contaminated air, to sum up, this application now provides a thermal power plant and solves the problem that the aforesaid appeared with boiler waste heat recovery device.
Disclosure of Invention
The invention aims to provide a boiler waste heat recovery device for a thermal power plant, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a thermal power plant uses boiler waste heat recovery device, is including connecting in the exhanst gas outlet of boiler body, the exhanst gas outlet outside is provided with heat storage cavity, and equipment still includes thermal-arrest piece and water pipe, the thermal-arrest piece is located heat storage cavity inside, and the exhanst gas outlet surface is located to the thermal-arrest piece cover, the water pipe transversely runs through whole exhanst gas outlet, and water pipe spiral winding in thermal-arrest piece surface.
Preferably, the device further comprises a dust removal mechanism; the dust removal mechanism is connected with the flue gas outlet and comprises a box body, a filter screen, a hollow mounting frame, a impurity removal opening, a material guide plate, a first motor, a hinge shaft, a dust collection tank and a discharge valve; the utility model discloses a dust collecting tank, including box, filter screen, baffle, dust collecting tank, discharge valve, smoke outlet and box internal connection, be provided with the shell on the box, hollow mounting bracket sets up leans on smoke outlet junction downside inside the box, filter screen sliding connection is inside hollow mounting bracket, the motor sets up inside the shell, the filter screen runs through box and shell inner wall to twine on the hank spool, the hank spool rotates to be connected inside the box to with the output fixed connection of motor, the shell has been seted up with box contact surface bottom and has been removed miscellaneous mouthful, the baffle slope sets up in edulcoration mouth department, the dust collecting tank sets up bottom in the box, and the discharge valve setting is in the dust collecting tank bottom, the box right-hand member face has been seted up the gas outlet by the filter screen downside.
More preferably, the dust removing mechanism further comprises a torsion spring, a rotating shaft and a scraper; the pivot is rotated and is connected inside the shell, the torsional spring is fixed inside the shell, and the torsional spring cover locates the pivot surface, the scraper blade sets up in the pivot, scraper blade and filter screen looks butt.
More preferably, the equipment further comprises an auxiliary dust removal mechanism; the auxiliary dust removal mechanism comprises a cam, a second motor, a transmission ball, a mandril, a guide sleeve and a connecting spring; the second motor is arranged inside the shell, the cam is fixedly connected with the output end of the second motor, the guide sleeve is arranged inside the shell, the ejector rod is located inside the guide sleeve, the left end of the ejector rod is provided with a transmission ball, the transmission ball is in reciprocating contact with the working surface of the cam, the guide sleeve is connected with the transmission ball through a connecting spring, and the right end of the ejector rod is abutted to the material guide plate.
Preferably, one end of the water pipe is connected with an external tap water pipe, and the other end of the water pipe is connected with an external tap water faucet.
Preferably, the heat collecting sheet is a ceramic heat collecting sheet, and the thickness of the ceramic heat collecting sheet is 0.5-2.0 cm.
Preferably, the outer surface of the heat storage cavity is coated with a heat insulation layer.
Preferably, the apparatus further comprises a dust suction mechanism; the dust collection mechanism comprises a filter bag frame, a Venturi plate, an injection pipe, a pulse electromagnetic valve, an air bag, a controller and a dust removal filter bag, wherein the filter bag frame is connected to the inside of the box body through the Venturi plate, the dust removal filter bag is located inside the filter bag frame, the injection pipe is arranged at the top inside the box body, the air bag is arranged at the side end of the box body and is connected with the injection pipe through an air pipe, the pulse electromagnetic valve is arranged on the air pipe, and the controller is electrically connected with the pulse electromagnetic valve.
Compared with the prior art, the invention has the beneficial effects that: 1. the invention recovers and utilizes the heat in the flue gas through the heat collecting sheets and the water pipes, thereby reducing the utilization of waste heat;
2. according to the invention, the filter screen can be used for adsorbing particle impurities in flue gas, so that the problem of air quality reduction caused by direct discharge to the air is prevented;
3. the invention scrapes off impurities adhered to the filter screen through the torsion spring, the rotating shaft and the scraper plate, and intensively cleans the impurities;
4. according to the invention, through the cam, the second motor, the transmission ball, the ejector rod, the guide sleeve and the connecting spring, the discharging angle of the material guide plate is changed in a reciprocating manner, so that vibration discharging is realized, the impurity removal speed is increased, and the dust removal efficiency is improved.
5. The invention carries out adsorption operation on dust in flue gas through a filter bag frame, a Venturi plate, an injection tube, a pulse electromagnetic valve, an air bag, a controller and a dust removal filter bag.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a part of the dust removing mechanism of the present invention;
FIG. 3 is a schematic view of a part of the dust removing mechanism of the present invention;
FIG. 4 is a schematic structural view of an auxiliary dust removing mechanism according to the present invention;
FIG. 5 is a schematic view of the dust suction mechanism of the present invention.
In the reference symbols: 1. a boiler body; 2. a flue gas outlet; 3. a heat collecting sheet; 4. a water pipe; 5. a heat storage cavity; 6, a dust removal mechanism; 7. an auxiliary dust removal mechanism; 8. a housing; 9. a dust suction mechanism; 601. a box body; 602. filtering with a screen; 603. a hollow mounting frame; 604. removing impurities; 605. a material guide plate; 606. a torsion spring; 607. a rotating shaft; 608. a squeegee; 609. a first motor; 610. twisting a shaft; 611. a dust collecting groove; 612. a discharge valve; 71. a cam; 72. a second motor; 73. a drive ball; 74. a top rod; 75. a guide sleeve; 76. a connecting spring; 91. a filter bag frame; 92. a Venturi plate; 93. a blowing pipe; 94. a pulse electromagnetic valve; 95. air bags; 96. a control instrument; 97. a dust removal filter bag.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, the present invention provides a technical solution: the boiler waste heat recovery device for the thermal power plant comprises a flue gas outlet 2 connected to a boiler body 1, a heat storage cavity 5 is arranged outside the flue gas outlet 2, the equipment further comprises a heat collecting sheet 3 and a water pipe 4, the heat collecting sheet 3 is located inside the heat storage cavity 5, the heat collecting sheet 3 is sleeved on the outer surface of the flue gas outlet 2, the water pipe 4 transversely penetrates through the whole flue gas outlet 2, and the water pipe 4 is spirally wound on the outer surface of the heat collecting sheet 3;
the invention is in operation: the flue gas enters the flue gas outlet 2, and the heat collecting sheets 3 absorb the heat in the flue gas and transmit the heat to the water in the water pipe 4 for the user to use.
Example two
As a preferable scheme of the first embodiment, please refer to fig. 2 and fig. 3, the apparatus further includes a dust removing mechanism 6; the dust removing mechanism 6 is connected to the flue gas outlet 2, and the dust removing mechanism 6 comprises a box body 601, a filter screen 602, a hollow mounting rack 603, a impurity removing opening 604, a material guide plate 605, a first motor 609, a hinge shaft 610, a dust collecting tank 611 and a discharge valve 612; the flue gas outlet 2 is connected with the inside of the box body 601, the box body 601 is provided with a shell, the hollow mounting rack 603 is arranged at the lower side of the connection part of the flue gas outlet 2 in the box body 601, the filter screen 602 is connected in the hollow mounting rack 603 in a sliding manner, the first motor 609 is arranged in the shell, the filter screen 602 penetrates through the box body 601 and the inner wall of the shell and is wound on the hinge shaft 610, the hinge shaft 610 is rotatably connected in the box body 601 and is fixedly connected with the output end of the first motor 609, the bottom of the contact surface of the shell and the box body 601 is provided with a impurity removing opening 604, the material guide plate 605 is obliquely arranged at the impurity removing opening 604, the dust collecting groove 611 is arranged at the bottom in the box body 601, the discharge valve 612 is arranged at the bottom of the dust collecting groove 611, and the right end surface of the box body 601 is provided with a gas outlet close to the lower side of the filter screen 602;
the dust removing mechanism 6 further comprises a torsion spring 606, a rotating shaft 607 and a scraper 608; the rotating shaft 607 is rotatably connected inside the housing, the torsion spring 606 is fixed inside the housing, the torsion spring 606 is sleeved on the outer surface of the rotating shaft 607, the scraper 608 is arranged on the rotating shaft 607, and the scraper 608 is abutted to the filter screen 602;
the working process is as follows: the flue gas enters the interior of the box body 601, and is discharged from the air outlet after being filtered by the filter screen 602, dust in the flue gas remains on the upper surface of the filter screen 602, after the filtering is finished, the first motor 609 is operated, the output end of the first motor 609 rotates to drive the hinge shaft 610 to rotate, the hinge shaft 610 rotates and simultaneously drives the filter screen 602 to wind on the hinge shaft 610, during the process of collecting the filter screen 602, the scraper 608 scrapes off the dust on the surface of the filter screen 602 under the matching of the torsion spring 606 and the rotating shaft 607, and the dust enters the dust collection tank 611 through the impurity removing opening 604 via the material guide plate 605, so that a user can intensively clean the dust collection tank through the discharge valve 612.
EXAMPLE III
As a preferable scheme of the second embodiment, please refer to fig. 4, the apparatus further includes an auxiliary dust removing mechanism 7; the auxiliary dust removing mechanism 7 comprises a cam 71, a second motor 72, a transmission ball 73, a mandril 74, a guide sleeve 75 and a connecting spring 76; the second motor 72 is arranged inside the shell, the cam 71 is fixedly connected with the output end of the second motor 72, the guide sleeve 75 is arranged inside the shell, the ejector rod 74 is positioned inside the guide sleeve 75, the left end of the ejector rod 74 is provided with a transmission ball 73, the transmission ball 73 is in reciprocating contact with the working surface of the cam 71, the guide sleeve 75 is connected with the transmission ball 73 through a connecting spring 76, and the right end of the ejector rod 74 is abutted to the material guide plate 605;
the working process is as follows: when the second motor 72 is operated, the output end of the second motor 72 rotates to drive the cam 71 to rotate, the working surface of the cam 71 is in reciprocating contact with the transmission ball 73, when the tip end of the cam 71 rotates from left to right, the transmission ball 73 pushes the ejector rod 74 to move rightwards in the guide sleeve 75, the ejector rod 74 pushes the material guide plate 605 to rotate, when the tip end of the cam 71 rotates from right to left, the transmission ball 73 loses stress, the connecting spring 76 pushes the transmission ball 73 to drive the ejector rod 74 to move leftwards in the guide sleeve 75, reciprocating is carried out, and the material guide plate 605 rotates in a reciprocating manner, so that the purpose of vibrating discharging is achieved, and the discharging speed is increased.
Example four
As a preferable scheme of the first embodiment or the second embodiment, the apparatus further comprises a dust suction mechanism 9; the dust collection mechanism 9 comprises a filter bag frame 91, a Venturi plate 92, an injection tube 93, a pulse electromagnetic valve 94, an air bag 95, a controller 96 and a dust collection filter bag 97, wherein the filter bag frame 91 is connected inside the box body 601 through the Venturi plate 92, the dust collection filter bag 97 is located inside the filter bag frame 91, the injection tube 93 is arranged at the top inside the box body 601, the air bag 95 is arranged at the side end of the box body 601, the air bag 95 is connected with the injection tube 93 through an air tube, the pulse electromagnetic valve 94 is arranged on the air tube, and the controller 96 is electrically connected with the pulse electromagnetic valve 94.
The working process is as follows: inside the flue gas gets into box 601, filter back through dust bag 97, impurity in the flue gas remains inside dust bag 97, through 96 operation pulse solenoid valve 94 of control appearance, pulse solenoid valve 94 carries behind the gas pressure boost in with gas bag 95 to spray tube 93 inside, spray tube 93 blows the gas after the pressure boost to dust bag 97, dust bag 97 volume expansion, the impurity that remains in dust bag 97 drops to inside filter screen 602 or the dust collecting groove 611, in order to supply the user of service to clear up.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. The utility model provides a thermal power plant uses boiler waste heat recovery device, is including connecting in exhanst gas outlet (2) of boiler body (1), exhanst gas outlet (2) outside is provided with heat storage chamber (5), its characterized in that: the device also comprises a heat collecting sheet (3) and a water pipe (4), wherein the heat collecting sheet (3) is positioned inside the heat storage cavity (5), the heat collecting sheet (3) is sleeved on the outer surface of the flue gas outlet (2), the water pipe (4) transversely penetrates through the whole flue gas outlet (2), and the water pipe (4) is spirally wound on the outer surface of the heat collecting sheet (3);
the equipment also comprises a dust removal mechanism (6); the dust removal mechanism (6) is connected to the flue gas outlet (2), and the dust removal mechanism (6) comprises a box body (601), a filter screen (602), a hollow mounting rack (603), a impurity removal opening (604), a material guide plate (605), a first motor (609), a hinge shaft (610), a dust collection tank (611) and a discharge valve (612); the smoke outlet (2) is connected with the inside of the box body (601), a shell is arranged on the box body (601), the hollow mounting frame (603) is arranged at the lower side of the joint of the smoke outlet (2) inside the box body (601), the filter screen (602) is connected inside the hollow mounting frame (603) in a sliding manner, the first motor (609) is arranged inside the shell, the filter screen (602) penetrates through the box body (601) and the inner wall of the shell and is wound on the hinge (610), the hinge (610) is rotatably connected inside the box body (601) and is fixedly connected with the output end of the first motor (609), the bottom of the contact surface of the shell and the box body (601) is provided with a impurity removing opening (604), the material guide plate (605) is obliquely arranged at the impurity removing opening (604), the dust collection tank (611) is arranged at the bottom of the box body (601), and the discharge valve (612) is arranged at the bottom of the dust collection tank (611), an air outlet is formed in the right end face of the box body (601) close to the lower side of the filter screen (602);
the dust removing mechanism (6) further comprises a torsion spring (606), a rotating shaft (607) and a scraper (608); the rotating shaft (607) is rotatably connected inside the shell, the torsion spring (606) is fixed inside the shell, the torsion spring (606) is sleeved on the outer surface of the rotating shaft (607), the scraper (608) is arranged on the rotating shaft (607), and the scraper (608) is abutted to the filter screen (602);
the equipment also comprises an auxiliary dust removal mechanism (7); the auxiliary dust removing mechanism (7) comprises a cam (71), a second motor (72), a transmission ball (73), a push rod (74), a guide sleeve (75) and a connecting spring (76); the second motor (72) is arranged inside the shell, the cam (71) is fixedly connected with the output end of the second motor (72), the guide sleeve (75) is arranged inside the shell, the ejector rod (74) is positioned inside the guide sleeve (75), the left end of the ejector rod (74) is provided with a transmission ball (73), the transmission ball (73) is in reciprocating contact with the working surface of the cam (71), the guide sleeve (75) is connected with the transmission ball (73) through a connecting spring (76), and the right end of the ejector rod (74) is abutted to the discharged material;
the equipment also comprises a dust suction mechanism (9); the dust collection mechanism (9) comprises a filter bag frame (91), a Venturi plate (92), an injection tube (93), a pulse electromagnetic valve (94), an air bag (95), a controller (96) and a dust removal filter bag (97), wherein the filter bag frame (91) is connected to the inside of the box body (601) through the Venturi plate (92), the dust removal filter bag (97) is located inside the filter bag frame (91), the injection tube (93) is arranged at the inner top of the box body (601), the air bag (95) is arranged at the side end of the box body (601), the air bag (95) is connected with the injection tube (93) through an air tube, the pulse electromagnetic valve (94) is arranged on the air tube, and the controller (96) is electrically connected with the pulse electromagnetic valve (94);
one end of the water pipe (4) is connected with an external tap water pipe, and the other end of the water pipe (4) is connected with an external tap water;
the heat collecting sheet (3) is a ceramic heat collecting sheet, and the thickness of the ceramic heat collecting sheet is 0.5-2.0 cm.
2. The boiler waste heat recovery device for the thermal power plant according to claim 1, characterized in that: the outer surface of the heat storage cavity (5) is coated with a heat insulation layer.
CN201911210947.4A 2019-11-29 2019-11-29 Boiler waste heat recovery device for thermal power plant Active CN110947253B (en)

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Application Number Priority Date Filing Date Title
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CN110947253B true CN110947253B (en) 2021-11-19

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JP2007090222A (en) * 2005-09-28 2007-04-12 Hitachi Plant Technologies Ltd Bag filter dust-collecting device
CN204684847U (en) * 2015-06-05 2015-10-07 成都剑飞机电设备有限公司 A kind of scraper plate dedusting dust collect plant
CN208735831U (en) * 2018-06-29 2019-04-12 宁波方太厨具有限公司 A kind of fresh air purification device
CN209092938U (en) * 2018-10-30 2019-07-12 广西中海环境工程系统有限公司 A kind of easy-to-mount expansion chamber winding filter
CN110201506A (en) * 2019-05-28 2019-09-06 湖州大本营科技有限公司 A kind of low-temperature plasma photodissociation equipment complex based on organic waste-gas purification
CN110384993A (en) * 2019-06-10 2019-10-29 孙铭婧 A kind of boiler discharge fume dust remover

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3773302B2 (en) * 1995-10-03 2006-05-10 株式会社荏原製作所 Heat recovery system and power generation system
CN105797499B (en) * 2016-03-23 2018-06-05 佛山市佛丹职业安全卫生设备有限公司 Air filtering apparatus and its method of work

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007090222A (en) * 2005-09-28 2007-04-12 Hitachi Plant Technologies Ltd Bag filter dust-collecting device
CN204684847U (en) * 2015-06-05 2015-10-07 成都剑飞机电设备有限公司 A kind of scraper plate dedusting dust collect plant
CN208735831U (en) * 2018-06-29 2019-04-12 宁波方太厨具有限公司 A kind of fresh air purification device
CN209092938U (en) * 2018-10-30 2019-07-12 广西中海环境工程系统有限公司 A kind of easy-to-mount expansion chamber winding filter
CN110201506A (en) * 2019-05-28 2019-09-06 湖州大本营科技有限公司 A kind of low-temperature plasma photodissociation equipment complex based on organic waste-gas purification
CN110384993A (en) * 2019-06-10 2019-10-29 孙铭婧 A kind of boiler discharge fume dust remover

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