CN115921383A - Oil smoke belt cleaning device - Google Patents

Oil smoke belt cleaning device Download PDF

Info

Publication number
CN115921383A
CN115921383A CN202210572228.2A CN202210572228A CN115921383A CN 115921383 A CN115921383 A CN 115921383A CN 202210572228 A CN202210572228 A CN 202210572228A CN 115921383 A CN115921383 A CN 115921383A
Authority
CN
China
Prior art keywords
cleaning device
saponification
saponification tank
hose
tank
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202210572228.2A
Other languages
Chinese (zh)
Inventor
蔡婧
古巨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Bitao Cleaning Service Co ltd
Original Assignee
Shanghai Bitao Cleaning Service Co ltd
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 Shanghai Bitao Cleaning Service Co ltd filed Critical Shanghai Bitao Cleaning Service Co ltd
Priority to CN202210572228.2A priority Critical patent/CN115921383A/en
Publication of CN115921383A publication Critical patent/CN115921383A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Ventilation (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

The invention discloses an oil smoke cleaning device which comprises a saponification tank, a gas collecting hood and a power pump, wherein a water outlet and a first water outlet are formed in the bottom of the saponification tank, and a control valve is arranged above the first water outlet; the saponification tank is used for dissolving solid soda and hot water to prepare alkali liquor with a certain concentration, and is used for soaking and cleaning detachable and cleaned components such as an oil blocking grid, a purifier fin and the like, a gas collecting hood is additionally arranged, and a feeding port and an exhaust port are arranged to discharge harmful white smoke water vapor out of a room directionally from the exhaust port. Meanwhile, the medium-pressure injection is adopted, alkali liquor is not easy to splash to pollute other surrounding facilities, and the lengthened spray gun can effectively protect operators and avoid chemical burns on exposed skin. The device can realize that saponification pond soaks the abluent use extension spray gun to wash simultaneously, ensures operating personnel's safety.

Description

Oil smoke belt cleaning device
Technical Field
The invention relates to a large-scale cleaning device, in particular to an oil fume cleaning device.
Background
The cleaning device of the range hood is suitable for cleaning oil stains on commercial kitchen fume exhaust systems, fume collecting hoods, oil blocking grids, fume exhaust pipelines, fume purifiers and other components.
The existing oil fume cleaning device mainly comprises the steps of smearing alkali liquor, high-pressure washing and high-temperature high-pressure steam engine cleaning, the reaction of the smearing alkali liquor is slow, the high-pressure washing easily causes liquid splashing, the skin, eyes and respiratory tract exposed to the outside of an operator are easily damaged, the high-temperature high-pressure steam engine cleaning energy consumption is large, the efficiency is low, and the protection level is high. And a smoke ventilator belt cleaning device of publication No. CN108426284A adopts the abluent mode of steam heating greasy dirt and cleaning brush dish, the steam jet has been set up, steam pipeline and heating device, heat into steam through heating device with cleaning water, thereby it cleans the smoke ventilator to utilize steam to recycle steam pipeline and steam jet injection steam, thereby it is convenient to clear up oil to utilize the heat to melt the greasy dirt that solidifies, adopt cleaning disc brush operation cleaning device, cleaning disc brush is connected with the work arm through the movable mechanism, can make cleaning disc brush rotate various angles through the movable mechanism, thereby conveniently clean each corner of smoke ventilator, compare manual washing, quality and efficiency have effectively been improved.
But kitchen operational environment is through heating aqueous vapor, and the greasy dirt melts work efficiency still not high slower, and the cleaning brush dish can only wash great part moreover, and some widgets wash still inconveniently, like this kind of grooved part of the grid that hinders oil, the cleaning brush dish also can not the sanitization.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an oil fume cleaning device which comprises a saponification tank, a cleaning tank and a cleaning tank, wherein the saponification tank is arranged on the top of the cleaning tank;
the gas collecting hood covers the saponification tank;
the gas collecting channel comprises:
the feed inlet is used for feeding chemical raw materials into the saponification tank, the chemical raw materials react with the solution in the saponification tank to generate reaction liquid, and the reaction liquid can clean the part to be cleaned in the saponification tank; a closing plate for preventing gas from overflowing is hinged above the feeding port;
an exhaust port for discharging the gas generated in the saponification tank to the outside;
the power pump is connected with the saponification tank through a pipeline and is used for pumping out and pressurizing reaction liquid in the saponification tank;
the bottom of the saponification pond is provided with a water outlet and a first water outlet, and a control valve is arranged above the first water outlet.
As a further description of the above technical solution: the water outlet is connected with the first hose.
As a further description of the above technical solution: the power pump is provided with a water inlet and a water outlet II, and the other end of the hose I is connected with the water inlet.
As a further description of the above technical solution: the water outlet II is connected with a hose II.
As a further description of the above technical solution: the other end of the second hose is connected with a lengthened spray gun.
As a further description of the above technical solution: the power pump is a 550W acid and alkali resistant chemical self-priming pump.
As a further description of the above technical solution: the first hose is made of an acid-base-resistant 4-minute rubber pipe with the length of about 1 meter, and the second hose is made of a 3-meter 4-minute rubber pipe.
As a further description of the above technical solution: the saponification tank is made of stainless steel; the saponification pond is placed above the stainless steel trolley.
As a further description of the above technical solution: the bottom of the stainless steel trolley is provided with 4 brake wheels, the tail of the stainless steel trolley is provided with a baffle, and the holding rod of the stainless steel trolley is provided with an electric cabinet.
As a further description of the above technical solution: and a power indicator light, a starting button, an operation indicator light, a stopping button and an emergency stopping button are arranged on the side surface of the electric cabinet.
The technical scheme has the following advantages or beneficial effects:
1. the invention comprises a saponification tank, a gas collecting hood, a power pump, wherein the saponification tank is used for dissolving chemical raw materials and hot water to prepare alkali liquor with a certain concentration, and is used for soaking and cleaning detachable cleaned parts such as an oil blocking grid, a purifier fin and the like, and sodium hydroxide and grease generate saponification reaction at a certain temperature to decompose harmful grease to generate soap liquor, thereby achieving the purpose of high-efficiency cleaning.
2. Install the gas collecting channel additional, set up dog-house and gas vent, but a closure plate of dog-house top hinged joint realizes opening of dog-house and closes, can add sodium hydroxide at any time and supply alkali lye, prevents that harmful white smoke steam from overflowing from the dog-house to the directional discharge of gas vent is outdoor to harmful white smoke steam.
3. The spray gun is used for spraying under medium pressure (3-5 kilograms of force), alkali liquor is not easy to splash to pollute other surrounding facilities, and the lengthened spray gun can effectively protect operators and avoid chemical burns on exposed skin.
4. This device can continuously add industrial chemicals when carrying out saponification pond soaking washing, makes the interior continuous reaction of saponification pond produce cleaning solution, can start the power pump simultaneously, uses the extension spray gun to wash and can wash great or difficult dismantled part.
5. Contact a large amount of water and reaction solution in the course of the work, in order to prevent some liquid from splashing, the electric cabinet adopts integrated automatically controlled, and the low pressure is opened and shut down, ensures the power consumption safety.
Drawings
Fig. 1 is a perspective view of an oil smoke cleaning device provided by the invention;
FIG. 2 is a front view of a lampblack cleaning device provided by the invention;
FIG. 3 is a top view of a lampblack cleaning device provided by the invention;
fig. 4 is a right side view of the oil smoke cleaning device provided by the invention;
FIG. 5 is a perspective view of a gas-collecting hood of the lampblack cleaning device provided by the invention;
fig. 6 is a front view of an electric cabinet of the lampblack cleaning device provided by the invention.
Illustration of the drawings:
1. a saponification tank; 2. a gas-collecting hood; 3. a power pump; 4. a water outlet; 5. a first water outlet; 6. a control valve; 7. an exhaust port; 8. a feeding port; 9. a water inlet; 10. a water outlet II; 11. a first hose; 12. a second hose; 13. lengthening the spray gun; 14. a stainless steel trolley; 15. a brake wheel; 16. a baffle plate; 17. an electric cabinet; 18. a power indicator light; 19. a start button; 20. an operation indicator light; 21. a stop button; 22. an emergency stop button; 23. and closing the board.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-6, one embodiment provided by the present invention: an oil fume cleaning device can be used for an oil fume exhaust system of a commercial kitchen range hood,
comprises a saponification tank 1;
a gas collecting hood 2 which covers the saponification tank 1;
the gas collecting channel 2 comprises:
the feeding port 8 is used for feeding chemical raw materials into the saponification tank 1, the chemical raw materials react with the solution in the saponification tank 1 to generate reaction liquid, and the reaction liquid can clean the part to be cleaned in the saponification tank 1; a closing plate 23 for preventing gas from overflowing is hinged above the feeding port 8;
the exhaust port 7 can be connected with an exhaust pipe and is used for conveying the gas generated in the saponification tank 1 to an exhaust system along the exhaust pipe and discharging the gas to the outside in a directional manner;
the power pump 3 is connected with the saponification tank 1 through a pipeline, and the power pump 3 is used for pumping out and pressurizing reaction liquid in the saponification tank 1;
the bottom of the saponification tank 1 is provided with a water outlet 4 and a first water outlet 5, and a control valve 6 is arranged above the first water outlet 5.
Further, the first hose 11 is connected to the water outlet 4.
Further, the power pump 3 is provided with a water inlet 9 and a water outlet two 10, and the other end of the hose one 11 is connected with the water inlet 9.
Further, the second water outlet 10 is connected with a second hose 12.
Furthermore, the other end of the second hose 12 is connected with a lengthened spray gun 13, so that spray cleaning can be realized.
Further, the power pump 3 is a 550W acid and alkali resistant chemical self-priming pump.
Further, the first hose 11 is made of an acid and alkali resistant 4-minute rubber pipe about 1 m, and the second hose 12 is made of a rubber pipe about 3 m and 4-minute rubber pipe.
Further, the material of the saponification tank 1 is stainless steel; the saponification tank 1 is arranged above the stainless steel trolley 14, so that the saponification tank can be moved conveniently.
Furthermore, 4 brake wheels 15 are arranged at the bottom of the stainless steel trolley 14 and can fix the trolley; a baffle 16 is arranged at the tail part of the stainless steel trolley 14 to prevent the saponification tank from slipping; an electric cabinet 17 is arranged at the holding rod of the stainless steel trolley 14 and used for controlling the power pump.
Furthermore, a power indicator 18, a start button 19, an operation indicator 20, a stop button 21 and an emergency stop button 22 are arranged on the side of the electric cabinet 17 and used for displaying the current working state of the power pump and controlling the start and stop of the power pump.
The working principle is as follows: when the device is used, water is added into a saponification tank 1, easily detachable parts such as an oil blocking grid, a smoke exhaust pipeline, an oil smoke purifier, an oil collecting cup and an oil smoke purifier high-voltage electrostatic generator fin which need to be cleaned are placed into the saponification tank 1, a gas collecting hood 2 is placed at the top of the saponification tank 1, chemical raw materials are added through a feeding port 8, and the saponification tank 1 is reacted with the water to generate alkali liquor for soaking and cleaning oil stains; the gas generated by the reaction is conveyed to an exhaust system through an exhaust pipe and is discharged to the outside through an exhaust port 7 at the top of the gas-collecting hood 2.
The electric cabinet is used for starting the button 19, so that the power pump 3 works, alkali liquor in the saponification tank 1 enters the first hose 11 through the water outlet 4, the alkali liquor in the first hose 11 enters the second hose 12 through the boosting of the power pump 3, the alkali liquor in the second hose 12 enters the lengthening spray gun 13, the lengthening spray gun 13 sprays the alkali liquor by using medium pressure (3-5 kilograms), and large or parts which are not easy to disassemble can be cleaned.
Two kinds of cleaning methods can go on simultaneously more than, and this device can continuously add industrial chemicals and water through dog-house 8 when carrying out saponification pond 1 soaking washing, makes the interior continuous reaction of saponification pond 1 produce cleaning solution, can start power pump 3 simultaneously, uses extension spray gun 13 can wash great or difficult dismantlement's part.
The invention adopts the saponification reaction between the sodium hydroxide and the grease at a certain temperature to decompose harmful grease and generate soap liquid, thereby achieving the purpose of high-efficiency cleaning.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An oil smoke belt cleaning device which characterized in that: the method comprises the following steps:
a saponification tank (1);
a gas collecting hood (2) covered on the saponification tank (1);
the gas collecting channel (2) comprises:
the feed inlet (8) is used for feeding chemical raw materials into the saponification tank (1), the chemical raw materials react with the solution in the saponification tank (1) to generate reaction liquid, and the reaction liquid can clean the part to be cleaned in the saponification tank (1); a closing plate (23) for preventing gas from overflowing is hinged above the feeding port (8);
an exhaust port (7) for exhausting gas generated in the saponification tank (1) to the outside;
the power pump (3) is connected with the saponification tank (1) through a pipeline, and the power pump (3) is used for pumping out and pressurizing reaction liquid in the saponification tank (1);
the bottom of saponification pond (1) is equipped with outlet (4) and delivery port (5), delivery port (5) top is equipped with control valve (6).
2. The lampblack cleaning device according to claim 1, characterized in that: the water outlet (4) is connected with a first hose (11).
3. A lampblack cleaning device as claimed in claim 2, characterized in that: the power pump (3) is provided with a water inlet (9) and a water outlet II (10), and the other end of the hose I (11) is connected with the water inlet (9).
4. A lampblack cleaning device as claimed in claim 3, wherein: the second water outlet (10) is connected with a second hose (12).
5. The lampblack cleaning device according to claim 4, characterized in that: the other end of the second hose (12) is connected with a lengthened spray gun (13).
6. The lampblack cleaning device according to claim 1, wherein: the power pump (3) is a 550W acid and alkali resistant chemical self-sucking pump.
7. The lampblack cleaning device according to claim 4, characterized in that: the first hose (11) is made of an acid and alkali resistant 4-minute rubber pipe about 1 m; the second hose (12) is made of a rubber pipe with the length of about 3 meters and the length of 4 minutes.
8. The lampblack cleaning device according to claim 1, characterized in that: the saponification tank (1) is made of stainless steel; the saponification tank (1) is arranged above the stainless steel trolley (14).
9. The lampblack cleaning device according to claim 8, characterized in that: the bottom of the stainless steel trolley (14) is provided with 4 brake wheels (15), the tail of the stainless steel trolley (14) is provided with a baffle (16), and the holding rod of the stainless steel trolley (14) is provided with an electric cabinet (17).
10. A lampblack cleaning device as claimed in claim 9, characterized in that: and a power indicator lamp (18), a starting button (19), an operation indicator lamp (20), a stopping button (21) and an emergency stopping button (22) are arranged on the side surface of the electric cabinet (17).
CN202210572228.2A 2022-05-24 2022-05-24 Oil smoke belt cleaning device Pending CN115921383A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210572228.2A CN115921383A (en) 2022-05-24 2022-05-24 Oil smoke belt cleaning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210572228.2A CN115921383A (en) 2022-05-24 2022-05-24 Oil smoke belt cleaning device

Publications (1)

Publication Number Publication Date
CN115921383A true CN115921383A (en) 2023-04-07

Family

ID=86696551

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210572228.2A Pending CN115921383A (en) 2022-05-24 2022-05-24 Oil smoke belt cleaning device

Country Status (1)

Country Link
CN (1) CN115921383A (en)

Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT171777B (en) * 1951-01-10 1952-07-10 Braunschweigische Maschb Ansta Device and method for automatic cleaning of containers, e.g. B. of metal barrels
JP2004167383A (en) * 2002-11-20 2004-06-17 Amenity Service:Kk Closed-type case for high pressure cleaning
WO2011090824A2 (en) * 2010-01-25 2011-07-28 The Dial Corporation Multi-surface kitchen cleaning system
JP2014039918A (en) * 2012-08-24 2014-03-06 Tokyo Gas Co Ltd Washing container
CN204866676U (en) * 2015-08-20 2015-12-16 贾清茂 Catering trade kitchen smoke ventilator equipment washs carburetion agent and sprays cleaning machine
CN206018773U (en) * 2016-09-04 2017-03-15 南京林业大学 A kind of electrodynamic type kitchen fume cleaning device
JP2017140605A (en) * 2016-02-12 2017-08-17 光洋機械産業株式会社 Washing method and washing apparatus used for the same method
CN206514364U (en) * 2016-12-30 2017-09-22 广东齐创科技投资管理有限公司 Lampblack absorber cleaning machine
CN207413874U (en) * 2017-08-16 2018-05-29 深圳市鑫承诺环保产业股份有限公司 Precision cutting tool cleaning system
CN207533225U (en) * 2017-09-30 2018-06-26 福建希源纸业有限公司 A kind of grease proofing onionskin proportioning device
CN108426284A (en) * 2018-05-18 2018-08-21 王景硕 A kind of cleaning device for fume exhaust fan
CN207913492U (en) * 2017-11-01 2018-09-28 广西东佰科技有限公司 A kind of efficient fume purifier of fume
CN208577677U (en) * 2018-05-15 2019-03-05 青岛海尔智能技术研发有限公司 A kind of waste oil device for saponifying and smoke exhaust ventilator
CN211217748U (en) * 2019-12-06 2020-08-11 江西省雄发环保选矿设备制造有限公司 Cleaning device of mine dust collecting equipment
CN211707524U (en) * 2019-12-14 2020-10-20 刘艺赟 Cleaning device for oil smoke purification
CN211903018U (en) * 2020-03-22 2020-11-10 上海立都环保科技有限公司 Steam rake head specially used for cleaning range hood
CN212143620U (en) * 2020-03-02 2020-12-15 上海银烽能源科技有限公司 Lampblack oil water cleaning machine convenient to dismouting
CN212577021U (en) * 2020-06-23 2021-02-23 重庆中标环保集团有限公司 Oil smoke equipment cleaning system
CN113663965A (en) * 2021-07-13 2021-11-19 特科能(株洲)科技有限公司 Method for cleaning deep blind hole nozzle workpieces in batches

Patent Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT171777B (en) * 1951-01-10 1952-07-10 Braunschweigische Maschb Ansta Device and method for automatic cleaning of containers, e.g. B. of metal barrels
JP2004167383A (en) * 2002-11-20 2004-06-17 Amenity Service:Kk Closed-type case for high pressure cleaning
WO2011090824A2 (en) * 2010-01-25 2011-07-28 The Dial Corporation Multi-surface kitchen cleaning system
JP2014039918A (en) * 2012-08-24 2014-03-06 Tokyo Gas Co Ltd Washing container
CN204866676U (en) * 2015-08-20 2015-12-16 贾清茂 Catering trade kitchen smoke ventilator equipment washs carburetion agent and sprays cleaning machine
JP2017140605A (en) * 2016-02-12 2017-08-17 光洋機械産業株式会社 Washing method and washing apparatus used for the same method
CN206018773U (en) * 2016-09-04 2017-03-15 南京林业大学 A kind of electrodynamic type kitchen fume cleaning device
CN206514364U (en) * 2016-12-30 2017-09-22 广东齐创科技投资管理有限公司 Lampblack absorber cleaning machine
CN207413874U (en) * 2017-08-16 2018-05-29 深圳市鑫承诺环保产业股份有限公司 Precision cutting tool cleaning system
CN207533225U (en) * 2017-09-30 2018-06-26 福建希源纸业有限公司 A kind of grease proofing onionskin proportioning device
CN207913492U (en) * 2017-11-01 2018-09-28 广西东佰科技有限公司 A kind of efficient fume purifier of fume
CN208577677U (en) * 2018-05-15 2019-03-05 青岛海尔智能技术研发有限公司 A kind of waste oil device for saponifying and smoke exhaust ventilator
CN108426284A (en) * 2018-05-18 2018-08-21 王景硕 A kind of cleaning device for fume exhaust fan
CN211217748U (en) * 2019-12-06 2020-08-11 江西省雄发环保选矿设备制造有限公司 Cleaning device of mine dust collecting equipment
CN211707524U (en) * 2019-12-14 2020-10-20 刘艺赟 Cleaning device for oil smoke purification
CN212143620U (en) * 2020-03-02 2020-12-15 上海银烽能源科技有限公司 Lampblack oil water cleaning machine convenient to dismouting
CN211903018U (en) * 2020-03-22 2020-11-10 上海立都环保科技有限公司 Steam rake head specially used for cleaning range hood
CN212577021U (en) * 2020-06-23 2021-02-23 重庆中标环保集团有限公司 Oil smoke equipment cleaning system
CN113663965A (en) * 2021-07-13 2021-11-19 特科能(株洲)科技有限公司 Method for cleaning deep blind hole nozzle workpieces in batches

Similar Documents

Publication Publication Date Title
CN115921383A (en) Oil smoke belt cleaning device
CN201189446Y (en) Chlorine absorption device
CN110947270A (en) Environment-friendly smoke treatment device for welding aluminum products
CN109915809B (en) Spray cleaning boiler with settling chamber
CN214764499U (en) Efficient continuous alkaline washing tower
CN210952503U (en) Heat exchanger cleaning device
CN215336552U (en) Heat recovery and oil smoke purification integrated stove
CN108970339A (en) A kind of emission-control equipment with waste heat recovery function
CN213348368U (en) Flue gas desulfurization device for zinc oxide production
CN205436458U (en) Portable aeroengine belt cleaning device
CN211839242U (en) Large-scale frame cleaning equipment
CN210059098U (en) Portable processor for cleaning laboratory fume hood and waste gas pipeline
CN209848666U (en) Chemical waste gas treatment device
CN113041813A (en) Tail gas processing apparatus is used in phosphane preparation
CN113124438A (en) Heat recovery and oil smoke purification integrated stove
CN106705167B (en) A kind of kitchen ventilator intelligence cleaning machine
CN206439880U (en) A kind of intelligent cleaning machine of lampblack absorber
CN220589553U (en) Waste gas treatment device for coal-fired boiler
CN211836847U (en) Chemical industry tail gas cleanup unit
CN219647792U (en) Movable cleaning device for fume purifier
CN216092997U (en) Central heating desulfurization dust collector
CN214437918U (en) Application system of sodium hydroxide solution in flue gas deacidification purification treatment
CN220417413U (en) Fume purifying device
CN214664530U (en) Boiler device with settling chamber
CN220288392U (en) Flue gas heat exchanger with online cleaning function

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination