CN216346346U - Flue gas waste heat utilization device for boiler burning - Google Patents

Flue gas waste heat utilization device for boiler burning Download PDF

Info

Publication number
CN216346346U
CN216346346U CN202121998354.1U CN202121998354U CN216346346U CN 216346346 U CN216346346 U CN 216346346U CN 202121998354 U CN202121998354 U CN 202121998354U CN 216346346 U CN216346346 U CN 216346346U
Authority
CN
China
Prior art keywords
fixedly connected
flue gas
water
pipe
waste heat
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.)
Active
Application number
CN202121998354.1U
Other languages
Chinese (zh)
Inventor
王鹏
谢晓勇
刘小波
赖奎金
宋子敬
杨宗胜
沈冬林
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.)
Chengyu Tranvic Science and Technology Co Ltd
Original Assignee
Chengyu Tranvic Science and Technology 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 Chengyu Tranvic Science and Technology Co Ltd filed Critical Chengyu Tranvic Science and Technology Co Ltd
Priority to CN202121998354.1U priority Critical patent/CN216346346U/en
Application granted granted Critical
Publication of CN216346346U publication Critical patent/CN216346346U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Treating Waste Gases (AREA)

Abstract

The utility model discloses a flue gas waste heat utilization device for a boiler furnace, which comprises a flue gas inlet pipe, a heat exchange mechanism, a water collecting mechanism, a purifying box, a purifying mechanism and a slag blocking mechanism, wherein the water collecting mechanism is arranged on one side of the flue gas inlet pipe, the heat exchange mechanism is arranged above the water collecting mechanism and positioned on the outer side of the flue gas inlet pipe, and the flue gas waste heat utilization device has the beneficial effects that: through adding purification mechanism, can clear away the sulfur dioxide in the flue gas fast, be favorable to improving the purification efficiency of flue gas, through adding heat transfer mechanism, the annular heat exchange tube of setting, increase the area of contact of heat exchange tube and water, can be to the water rapid heating in the water tank, improve heat exchange efficiency, through adding water-collecting mechanism, can collect the drop of water that the in-process condensation of heat transfer produced, prevent the drop of water refluence, through adding slag stopping mechanism, can deposit the calcium sulfite that produces when purifying and collect the utilization, prevent that calcium sulfite from depositing and water together discharges, cause the jam of No. three drain pipes in the time of the extravagant resource.

Description

Flue gas waste heat utilization device for boiler burning
Technical Field
The utility model relates to the technical field of waste heat utilization devices, in particular to a flue gas waste heat utilization device for a boiler.
Background
The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy.
The boiler is a water container heated on fire, a furnace is a place where fuel is combusted, and the boiler comprises a boiler and a furnace. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. The boiler can produce a large amount of flue gases after the burning, contains a large amount of heats in these flue gases and can utilize, and current waste heat utilizes the function singleness of device, the area of contact undersize of heat exchange tube and water, and the heat transfer effect is low, and can not contain a large amount of sulfur dioxide to the gas cleaning after the heat transfer in the flue gas, if direct emission can cause air pollution, be unfavorable for in-service use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flue gas waste heat utilization device for a boiler furnace, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a flue gas waste heat utilization device for a boiler comprises a smoke inlet pipe, a heat exchange mechanism, a water collecting mechanism, a purifying box, a purifying mechanism and a slag blocking mechanism, wherein the water collecting mechanism is arranged on one side of the smoke inlet pipe, the heat exchange mechanism is arranged on the outer side of the smoke inlet pipe above the water collecting mechanism, the top of the smoke inlet pipe is fixedly connected with a smoke distribution bin, smoke outlet pipes are symmetrically and fixedly connected to two sides of the smoke distribution bin, an inclined plate is fixedly connected to the outer side of the smoke outlet pipe, one side of the inclined plate is fixedly connected with the smoke distribution bin, the purifying box is fixedly connected to the outer side of the smoke distribution bin, the purifying mechanism is arranged on the top of the purifying box, the slag blocking mechanism is arranged inside the purifying box below the purifying mechanism, and a smoke exhaust pipe is fixedly connected to the top of the purifying box;
purification mechanism includes the motor, the inside bilateral symmetry of advancing the tobacco pipe rotates and is connected with the connecting pipe, the bottom fixedly connected with shower nozzle of connecting pipe, rotary joint is connected with at the top of connecting pipe, No. two belt pulleys of outside fixedly connected with of connecting pipe, the top fixed mounting who advances the tobacco pipe has the motor, a belt pulley of output fixedly connected with of motor, a belt pulley passes through belt transmission with No. two belt pulleys and is connected.
Preferably, heat transfer mechanism includes the water tank, the below fixedly connected with water tank that advances the outside of tobacco pipe and be located branch cigarette storehouse, the inboard of water tank is located the inside equidistance fixedly connected with heat exchange tube that advances the tobacco pipe, the inner wall fixed mounting of water tank has temperature sensor, temperature sensor's below is located one side fixedly connected with outlet pipe of water tank, the opposite side fixedly connected with inlet tube of water tank.
Preferably, the water collecting mechanism comprises a collecting box, the inner part of the smoke inlet pipe is located below the water tank and fixedly connected with the collecting box, the inner part of the collecting box is fixedly connected with the baffle hopper, the inner wall of the collecting box is fixedly provided with a liquid level sensor, the bottom of the collecting box is fixedly connected with a second water discharging pipe, and the outer side of the second water discharging pipe is fixedly provided with an electromagnetic valve.
Preferably, the slag stopping mechanism comprises a clamping block, baffle plates are symmetrically arranged on two sides of the interior of the purifying box, a clamping groove is formed in the baffle plates, the clamping block is arranged in the clamping groove, a pull rod is fixedly connected to one end of the clamping block, a connecting block is fixedly connected to one side of the pull rod, and a spring is sleeved on the outer side of the pull rod.
Preferably, one side of the baffle disc is fixedly connected with a supporting block, and a supporting groove matched with the supporting block is formed in the purifying box.
Preferably, the bottom of the baffle plate disc is provided with a second filter screen, and a third drain pipe is fixedly connected below the second filter screen and at the bottom of the purification box.
Preferably, the inside of advancing the tobacco pipe is located the below that keeps off the fill and is equipped with No. one filter screen.
Preferably, the two second pulleys are not on the same horizontal plane.
Preferably, the outside fixed mounting of collecting box has control panel, temperature sensor, level sensor, solenoid valve and motor all with control panel electric connection.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic perspective view of the water tank and baffle bucket of the present invention;
FIG. 4 is a schematic perspective view of a heat exchange tube according to the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
In the figure: 1. a smoke inlet pipe; 2. a heat exchange mechanism; 21. a water tank; 22. a heat exchange pipe; 23. a temperature sensor; 24. a first water outlet pipe; 25. a water inlet pipe; 3. a water collecting mechanism; 31. a collection box; 32. blocking the hopper; 33. a liquid level sensor; 34. a second water drainage pipe; 35. an electromagnetic valve; 4. a purification box; 5. a purification mechanism; 51. a motor; 52. a first belt pulley; 53. a second belt pulley; 54. a rotary joint; 55. a spray head; 6. a first filter screen; 7. a slag stopping mechanism; 71. a clamping block; 72. a card slot; 73. a spring; 74. a pull rod; 75. connecting blocks; 76. a baffle disc; 77. a second filter screen; 78. a support block; 79. a support groove; 8. a smoke exhaust pipe; 9. discharging the smoke tube; 10. a sloping plate; 11. a third water drainage pipe; 12. a cigarette separating bin; 13. a control panel.
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.
Referring to fig. 1-5, the present invention provides a technical solution: a flue gas waste heat utilization device for a boiler comprises a smoke inlet pipe 1, a heat exchange mechanism 2, a water collecting mechanism 3, a purifying box 4, a purifying mechanism 5 and a slag stopping mechanism 7, wherein the water collecting mechanism 3 is arranged on one side of the smoke inlet pipe 1, the heat exchange mechanism 2 is arranged on the outer side of the smoke inlet pipe 1 above the water collecting mechanism 3, a smoke distribution bin 12 is fixedly connected to the top of the smoke inlet pipe 1, smoke outlet pipes 9 are symmetrically and fixedly connected to two sides of the smoke distribution bin 12, an inclined plate 10 is fixedly connected to the outer side of the smoke outlet pipe 9, one side of the inclined plate 10 is fixedly connected with the smoke distribution bin 12, the purifying box 4 is fixedly connected to the outer side of the smoke distribution bin 12, the purifying mechanism 5 is arranged on the top of the purifying box 4, the slag stopping mechanism 7 is arranged inside the purifying box 4 below the purifying mechanism 5, and a smoke exhaust pipe 8 is fixedly connected to the top of the purifying box 4;
purification mechanism 5 includes motor 51, the inside bilateral symmetry of advancing tobacco pipe 1 rotates and is connected with the connecting pipe, the bottom fixedly connected with shower nozzle 55 of connecting pipe, the top of connecting pipe is connected with rotary joint 54, No. two belt pulleys 53 of outside fixedly connected with of connecting pipe, the top fixed mounting who advances tobacco pipe 1 has motor 51, No. one belt pulley 52 of output fixedly connected with of motor 51, No. one belt pulley 52 is connected through belt transmission with No. two belt pulleys 53, can clear away the sulfur dioxide in the flue gas fast, is favorable to improving the purification efficiency of flue gas.
Further, heat exchange mechanism 2 includes water tank 21, the below fixedly connected with water tank 21 that the outside that advances tobacco pipe 1 is located branch tobacco storehouse 12, the inboard of water tank 21 is located the inside equidistance fixedly connected with heat exchange tube 22 that advances tobacco pipe 1, the inner wall fixed mounting of water tank 21 has temperature sensor 23, temperature sensor 23's below is located one side fixedly connected with outlet pipe 24 of water tank 21, the opposite side fixedly connected with inlet tube 25 of water tank 21, through the annular heat exchange tube 22 that sets up, increases the area of contact of heat exchange tube 22 and water, can heat the water in the water tank 21 fast, improves heat exchange efficiency.
Further, the water collecting mechanism 3 comprises a collecting box 31, the inside of the smoke inlet pipe 1 is located below the water tank 21 and fixedly connected with the collecting box 31, the inside of the collecting box 31 is fixedly connected with a baffle bucket 32, a liquid level sensor 33 is fixedly mounted on the inner wall of the collecting box 31, the bottom of the collecting box 31 is fixedly connected with a second water discharge pipe 34, an electromagnetic valve 35 is fixedly mounted on the outer side of the second water discharge pipe 34, and therefore water drops generated by condensation in the heat exchange process can be collected and prevented from flowing backwards.
Further, the slag stopping mechanism 7 comprises a fixture block 71, baffle plates 76 are symmetrically arranged on two sides of the interior of the purifying box 4, a clamping groove 72 is formed in the baffle plate 76, the fixture block 71 is arranged in the clamping groove 72, a pull rod 74 is fixedly connected to one end of the fixture block 71, a connecting block 75 is fixedly connected to one side of the pull rod 74, and a spring 73 is sleeved on the outer side of the pull rod 74, so that calcium sulfite precipitates generated during purification can be collected and utilized, the calcium sulfite precipitates and water are prevented from being discharged together, and the third water discharge pipe 11 is prevented from being blocked while resources are wasted.
Further, a supporting block 78 is fixedly connected to one side of the baffle disc 76, and a supporting groove 79 matched with the supporting block 78 is formed in the purification box 4.
Further, a second filter screen 77 is arranged at the bottom of the baffle disc 76, and a third drain pipe 11 is fixedly connected below the second filter screen 77 and at the bottom of the purification box 4.
Furthermore, the inside of advancing tobacco pipe 1 is located the below that keeps off fill 32 and is equipped with filter screen 6 No. one, and filter screen 6 can be to the flue gas prefilter, reduces the granule in the flue gas.
Further, the two second pulleys 53 are not on the same horizontal plane.
Further, a control panel 13 is fixedly mounted on the outer side of the collection box 31, the temperature sensor 23, the liquid level sensor 33, the electromagnetic valve 35 and the motor 51 are electrically connected with the control panel 13, and the control panel 13 can control all electric devices in a centralized manner, so that the operating efficiency of workers is improved.
Specifically, after hot flue gas enters the smoke inlet pipe 1, the hot flue gas is primarily filtered by the first filter screen 6 and then flows upwards, and then when the hot flue gas passes through the water tank 21, the heat exchange pipe 22 and the smoke inlet pipe 1 in the water tank 21 exchange heat with water in the water tank 21, and when the temperature of the water in the water tank 21 reaches a set value of the temperature sensor 23, a valve can be opened, so that the heated water is discharged by the first water outlet pipe 24;
then, when heat exchange is carried out, the inner wall of the smoke inlet pipe 1 in the water tank 21 can generate water drops due to condensation of hot smoke, then the water drops flow downwards along the inner wall of the smoke inlet pipe 1 and enter the collection tank 31 through the diversion of the baffle bucket 32, and when the water level in the collection tank 31 reaches the set value of the liquid level sensor 33, the liquid level sensor 33 can start the electromagnetic valve 35 to discharge accumulated water in the collection tank 31 from the second water discharge pipe 34;
then, the flue gas after heat exchange continuously flows upwards, is divided by the smoke dividing bin 12 and is discharged from the smoke outlet pipe 9, then the motor 51 is started through the control panel 13, then the output end of the motor 51 drives the first belt pulley 52 to rotate, so that the second belt pulley 53 is driven by a belt to rotate, then the connecting pipe drives the spray head 55 to rotate, meanwhile, the rotary joint 54 is communicated with a calcium hydroxide solution pipeline, then the spray head 55 removes sulfur dioxide in the flue gas, generated calcium sulfite falls into the baffle plate 76, generated water is filtered by the second filter screen 77 and is discharged from the third water discharge pipe 11, and the purified flue gas is discharged from the smoke discharge pipe 8;
finally, when the calcium sulfite in the baffle disc 76 is excessively precipitated, the connecting block 75 is pulled upwards, then the connecting block 75 drives the pull rod 74 to move upwards, meanwhile, the clamping block 71 is separated from the clamping groove 72 along with the upward movement, and then the pull rod is pulled to pull the baffle disc 76 out of the purifying box 4, so that the interior of the baffle disc 76 is cleaned.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A flue gas waste heat utilization device for a boiler comprises a smoke inlet pipe (1), a heat exchange mechanism (2), a water collecting mechanism (3), a purifying box (4), a purifying mechanism (5) and a slag blocking mechanism (7), and is characterized in that the water collecting mechanism (3) is arranged on one side of the smoke inlet pipe (1), the heat exchange mechanism (2) is arranged on the outer side of the smoke inlet pipe (1) above the water collecting mechanism (3), the top of the smoke inlet pipe (1) is fixedly connected with a smoke distribution bin (12), smoke outlet pipes (9) are symmetrically and fixedly connected with two sides of the smoke distribution bin (12), inclined plates (10) are fixedly connected with the outer sides of the smoke outlet pipes (9), one sides of the inclined plates (10) are fixedly connected with the smoke distribution bin (12), the purifying box (4) is fixedly connected with the outer side of the smoke distribution bin (12), the purifying mechanism (5) is arranged on the top of the purifying box (4), a slag blocking mechanism (7) is arranged below the purification mechanism (5) and inside the purification box (4), and the top of the purification box (4) is fixedly connected with a smoke exhaust pipe (8);
purification mechanism (5) are including motor (51), the inside bilateral symmetry of advancing tobacco pipe (1) rotates and is connected with the connecting pipe, the bottom fixedly connected with shower nozzle (55) of connecting pipe, rotary joint (54) are connected at the top of connecting pipe, No. two belt pulleys of outside fixedly connected with (53) of connecting pipe, the top fixed mounting who advances tobacco pipe (1) has motor (51), belt pulley (52) of output fixedly connected with of motor (51), belt pulley (52) are connected through belt transmission with No. two belt pulleys (53).
2. The flue gas waste heat utilization device for the boiler burning according to claim 1, characterized in that: heat transfer mechanism (2) include water tank (21), the outside of advancing tobacco pipe (1) is located the below fixedly connected with water tank (21) of branch cigarette storehouse (12), the inboard of water tank (21) is located the inside equidistance fixedly connected with heat exchange tube (22) of advancing tobacco pipe (1), the inner wall fixed mounting of water tank (21) has temperature sensor (23), the below of temperature sensor (23) is located one side fixedly connected with outlet pipe (24) of water tank (21), the opposite side fixedly connected with inlet tube (25) of water tank (21).
3. The flue gas waste heat utilization device for the boiler burning according to claim 2, characterized in that: the water collecting mechanism (3) comprises a collecting box (31), the inside of the smoke inlet pipe (1) is located below a fixedly connected with collecting box (31) of the water tank (21), the inside fixedly connected with blocking hopper (32) of the collecting box (31), a liquid level sensor (33) is fixedly mounted on the inner wall of the collecting box (31), a second drain pipe (34) is fixedly connected to the bottom of the collecting box (31), and an electromagnetic valve (35) is fixedly mounted on the outer side of the second drain pipe (34).
4. The flue gas waste heat utilization device for the boiler burning according to claim 3, characterized in that: the slag blocking mechanism (7) comprises a clamping block (71), baffle plates (76) are symmetrically arranged on two sides of the interior of the purifying box (4), a clamping groove (72) is formed in the baffle plate (76), the clamping block (71) is arranged in the clamping groove (72), a pull rod (74) is fixedly connected to one end of each clamping block (71), a connecting block (75) is fixedly connected to one side of each pull rod (74), and a spring (73) is sleeved on the outer side of each pull rod (74).
5. The flue gas waste heat utilization device for the boiler burning according to claim 4, characterized in that: one side of the baffle plate disc (76) is fixedly connected with a supporting block (78), and a supporting groove (79) matched with the supporting block (78) is formed in the purifying box (4).
6. The flue gas waste heat utilization device for the boiler burning according to claim 5, characterized in that: the bottom of baffle disc (76) is equipped with No. two filter screens (77), No. two filter screens (77) below is located the bottom fixedly connected with drain pipe No. three (11) of purifying box (4).
7. The flue gas waste heat utilization device for the boiler burning according to claim 6, characterized in that: a first filter screen (6) is arranged below the blocking hopper (32) in the smoke inlet pipe (1).
8. The flue gas waste heat utilization device for the boiler burning according to claim 1, characterized in that: the two second pulleys (53) are not on the same horizontal plane.
9. The flue gas waste heat utilization device for the boiler burning according to claim 3, characterized in that: the outside fixed mounting of collecting box (31) has control panel (13), temperature sensor (23), level sensor (33), solenoid valve (35) and motor (51) all with control panel (13) electric connection.
CN202121998354.1U 2021-08-24 2021-08-24 Flue gas waste heat utilization device for boiler burning Active CN216346346U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121998354.1U CN216346346U (en) 2021-08-24 2021-08-24 Flue gas waste heat utilization device for boiler burning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121998354.1U CN216346346U (en) 2021-08-24 2021-08-24 Flue gas waste heat utilization device for boiler burning

Publications (1)

Publication Number Publication Date
CN216346346U true CN216346346U (en) 2022-04-19

Family

ID=81168995

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121998354.1U Active CN216346346U (en) 2021-08-24 2021-08-24 Flue gas waste heat utilization device for boiler burning

Country Status (1)

Country Link
CN (1) CN216346346U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114993047A (en) * 2022-07-26 2022-09-02 合肥合锻智能制造股份有限公司 Thermal forming heating device
CN116753746A (en) * 2023-08-18 2023-09-15 江苏国源管业有限公司 Condensing heat exchanger for chemical industry

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114993047A (en) * 2022-07-26 2022-09-02 合肥合锻智能制造股份有限公司 Thermal forming heating device
CN116753746A (en) * 2023-08-18 2023-09-15 江苏国源管业有限公司 Condensing heat exchanger for chemical industry
CN116753746B (en) * 2023-08-18 2023-10-20 江苏国源管业有限公司 Condensing heat exchanger for chemical industry

Similar Documents

Publication Publication Date Title
CN216346346U (en) Flue gas waste heat utilization device for boiler burning
CN203155034U (en) Energy saving and smoke purifying device of boiler
CN108889090A (en) A kind of incineration flue gas of household garbage desulfuring and denitrifying apparatus
CN202246731U (en) Waste heat recovery and bag-type dust removal system
CN113623675A (en) Flue gas waste heat utilization device for boiler burning and use method thereof
CN208332303U (en) A kind of business supply of cooling, heating and electrical powers waste-heat recovery device
CN207342408U (en) A kind of biomass boiler filtration apparatus
CN211119456U (en) Biomass boiler waste heat recovery device
CN113599955A (en) Flue gas purification device for boiler burning and use method thereof
CN208865414U (en) A kind of negative pressure recycling exhaust system
CN102304603A (en) Waste heat recovery and bag-type dust removal system
CN208983374U (en) A kind of three Room RTO emission-control equipments
CN106195981A (en) Integration steam hot wind hot water multipurpose furnace device systems
CN100365351C (en) A heating apparatus using useless heat for reducing oil
CN216954090U (en) Alumina calcination waste heat recovery utilizes device
CN216557153U (en) Waste incinerator smoke exhaust heat utilization device
CN221238187U (en) Heat exchange device for roasting furnace
CN204693511U (en) A kind of energy-saving high-efficiency environment-friendly type air return stove
CN221051899U (en) Blast furnace roof diffused gas collecting and recycling device
CN2465073Y (en) Heat absorption device for range
CN220397569U (en) Flue gas treatment device
CN216395852U (en) Boiler with waste gas advanced treatment
CN220471665U (en) Flue gas heat recycling device
CN214806847U (en) Device is concocted to high-efficient herbal pieces-
CN220397568U (en) Waste heat boiler utilization device of gas turbine power plant

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PP01 Preservation of patent right
PP01 Preservation of patent right

Effective date of registration: 20230302

Granted publication date: 20220419