CN112344322A - Coal boiler capable of automatically detecting combustion degree - Google Patents

Coal boiler capable of automatically detecting combustion degree Download PDF

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Publication number
CN112344322A
CN112344322A CN202011311884.4A CN202011311884A CN112344322A CN 112344322 A CN112344322 A CN 112344322A CN 202011311884 A CN202011311884 A CN 202011311884A CN 112344322 A CN112344322 A CN 112344322A
Authority
CN
China
Prior art keywords
cavity
combustion
plate
slide rail
coal
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.)
Withdrawn
Application number
CN202011311884.4A
Other languages
Chinese (zh)
Inventor
肖冉
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.)
Jinhua Pingxue Heating Equipment Co ltd
Original Assignee
Jinhua Pingxue Heating Equipment 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 Jinhua Pingxue Heating Equipment Co ltd filed Critical Jinhua Pingxue Heating Equipment Co ltd
Priority to CN202011311884.4A priority Critical patent/CN112344322A/en
Publication of CN112344322A publication Critical patent/CN112344322A/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
    • F23B40/02—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed by scattering over the fuel-supporting surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C1/00—Crushing or disintegrating by reciprocating members
    • B02C1/005—Crushing or disintegrating by reciprocating members hydraulically or pneumatically operated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J1/00—Removing ash, clinker, or slag from combustion chambers
    • F23J1/06—Mechanically-operated devices, e.g. clinker pushers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
    • F23K3/16—Over-feed arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L1/00—Passages or apertures for delivering primary air for combustion 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2203/00—Feeding arrangements
    • F23K2203/10—Supply line fittings
    • F23K2203/104—Metering devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Solid-Fuel Combustion (AREA)

Abstract

The invention discloses a coal boiler capable of automatically detecting combustion degree, which comprises a machine body and a combustion cavity in the machine body, wherein a burner is arranged on the bottom wall of the combustion cavity, the burner can perform combustion treatment on coal, a transportation cavity positioned on the right side of the combustion cavity is arranged in the machine body, a through inlet is arranged between the transportation cavity and the combustion cavity, a motor is arranged on the bottom wall of the transportation cavity, and the upper end of the motor is in power connection with a motor shaft. If the combustion is insufficient, the larger coal in the boiler can be taken out and crushed for reuse, so that the resources are saved.

Description

Coal boiler capable of automatically detecting combustion degree
Technical Field
The invention relates to a coal boiler capable of automatically detecting combustion degree, and mainly relates to the technical field of coal combustion.
Background
The coal-fired boiler is a boiler using coal as fuel, and is a heat energy power device which heats heat medium water or other organic heat carriers (such as heat conduction oil and the like) to a certain temperature (or pressure) by burning the coal in a hearth to release heat, but the existing boiler can not judge whether the coal is fully burned and directly discards the burned coal slag, thereby causing certain waste.
Disclosure of Invention
The invention aims to solve the technical problem of providing a coal boiler capable of automatically detecting the combustion degree, and the problem is solved.
The invention is realized by the following technical scheme.
The invention relates to a coal boiler capable of automatically detecting combustion degree, which comprises a machine body and a combustion cavity in the machine body, wherein a combustor is arranged on the bottom wall of the combustion cavity and can be used for carrying out combustion treatment on coal, a transportation cavity positioned on the right side of the combustion cavity is arranged in the machine body, a penetrating inlet is arranged between the transportation cavity and the combustion cavity, a motor is arranged on the bottom wall of the transportation cavity, the upper end of the motor is in power connection with a motor shaft, a turntable is fixedly arranged on the motor shaft, a first electric slide rail is arranged on the turntable, a movable plate is arranged on the first electric slide rail in a sliding manner, a second electric slide rail is arranged on the movable plate, a bottom plate is arranged on the second electric slide rail in a sliding manner, an inclined box is arranged on the upper side of the bottom plate and is connected with the bottom plate through a hinged shaft, a, the weight recorder is arranged on the bottom wall of the inclined box, the weight recorder can record the weight of coal, a conveying belt is arranged in the conveying cavity, the tail end of the conveying belt is positioned on the upper side of the inclined box, a third electric slide rail is arranged on the top wall of the conveying cavity, a first air cylinder is arranged on the third electric slide rail in a sliding manner, a pressing plate is fixedly arranged at the tail end of a telescopic rod at the lower end of the pressing plate, a first electric rotating shaft is rotatably arranged on the bottom wall of the conveying cavity, a scraping plate is fixedly arranged on the first electric rotating shaft, the first electric rotating shaft is positioned on the lower side of the pressing plate, a recovery cavity arranged on the upper side of the combustion cavity is arranged in the machine body, a penetrating clamping opening is arranged between the recovery cavity and the combustion cavity, a fourth electric slide rail is arranged on the top wall of the clamping opening, a second air cylinder is arranged on the fourth, a second electric rotating shaft is rotatably arranged on the clamping plate, a clamping block is fixedly arranged on the second electric rotating shaft, a penetrating recovery opening is arranged between the recovery cavity and the transportation cavity, a transmission cavity positioned on the left side of the combustion cavity is arranged in the machine body, an air pipe communicated with the combustion cavity is arranged in the transmission cavity, the other end of the transmission cavity is communicated with the outside, an impeller shaft is rotatably arranged on the rear wall of the transmission cavity, a first bevel gear is fixedly arranged on the impeller shaft, the front end of the impeller shaft extends into the air pipe and is fixedly provided with an impeller, a bevel gear shaft is arranged in the bottom wall of the transmission cavity, a bevel gear is rotatably arranged on the bevel gear shaft, a second bevel gear meshed with the first bevel gear is arranged at the upper end of the bevel gear shaft, a detection cavity positioned on the lower side of the transmission cavity is arranged in the machine body, and a torsion spring is fixedly arranged, it is equipped with first spout to detect on the chamber roof, it is equipped with the fixed block to slide on the first spout, the fixed gear wheel that is equipped with of fixed block lower extreme, be equipped with the lead screw in the gear wheel, be equipped with the second spout in detecting the chamber, it is equipped with the push pedal to slide on the second spout, the push pedal with be connected with the spring between the second spout diapire, the push pedal with the lead screw offsets, be equipped with distance sensor in detecting the chamber left wall, thereby distance sensor can detect the distance that the push pedal removed and judge the entering the air quantity in burning chamber.
Furthermore, the bottom wall of the detection cavity is provided with an exhaust hole communicated with the outside.
Furthermore, a fifth electric slide rail is arranged on the lower side of the clamping opening, a first slide block is arranged on the fifth electric slide rail in a sliding mode, and the first slide block can control the opening and closing of the clamping opening.
Further, be equipped with the funnel on the transportation chamber roof, be equipped with the swash plate in the transportation chamber, the swash plate is located the funnel downside, the swash plate lower extreme extends to the transportation takes the upside.
Furthermore, a sixth electric sliding rail is arranged on the right side of the inlet, a second sliding block is arranged on the sixth electric sliding rail in a sliding mode, and the second sliding block can control the opening and closing of the inlet.
The invention has the beneficial effects that: the invention can automatically crush larger coal, scrape off the coal adhered to the crushing plate, send the coal into the boiler after recording the weight, and uniformly distribute the coal at the bottom of the boiler, so that the coal can be completely combusted, thereby improving the combustion efficiency, and meanwhile, whether the coal is sufficiently combusted can be judged by detecting the air quantity consumed during the combustion of the coal and according to the weight of the coal, if the coal is not sufficiently combusted, the larger coal in the boiler can be taken out and crushed for reutilization, thereby saving resources.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure a-a in fig. 1.
Fig. 3 is an enlarged schematic view of B in fig. 1.
Fig. 4 is an enlarged schematic view of C in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Combine fig. 1-4 the coal boiler of an automated inspection degree of burning, include organism 10 and burning chamber 30 in the organism 10, be equipped with combustor 29 on the 30 diapire of burning chamber, combustor 29 can carry out the burning processing to coal, be equipped with in the organism 10 and be located the transportation chamber 66 on burning chamber 30 right side, transportation chamber 66 with be equipped with the entry 36 that runs through between the burning chamber 30, be equipped with motor 39 on the 66 diapire of transportation chamber, motor 39 upper end power connection has motor shaft 40, the fixed carousel 65 that is equipped with on the motor shaft 40, be equipped with first electronic slide rail 64 on the carousel 65, it is equipped with movable plate 63 to slide on first electronic slide rail 64, be equipped with second electronic slide rail 62 on the movable plate 63, the sliding is equipped with bottom plate 60 on the second electronic slide rail 62, bottom plate 60 upside is equipped with slope case 57, the inclined box 57 is connected with the bottom plate 60 through a hinge shaft 58, the bottom plate 60 is provided with a base 61, the base 61 abuts against the inclined box 57, the bottom wall of the inclined box 57 is provided with a weight recorder 59, the weight recorder 59 can record the weight of coal, the conveying cavity 66 is provided with a conveying belt 41, the tail end of the conveying belt 41 is positioned on the upper side of the inclined box 57, the top wall of the conveying cavity 66 is provided with a third electric slide rail 47, the third electric slide rail 47 is slidably provided with a first cylinder 48, the tail end of a telescopic rod at the lower end of the pressing plate 49 is fixedly provided with a pressing plate 49, the bottom wall of the conveying cavity 66 is rotatably provided with a first electric rotating shaft 52, the first electric rotating shaft 52 is fixedly provided with a scraping plate 53, the first electric rotating shaft 52 is positioned on the lower side of the pressing plate 49, the machine body 10 is provided with a recovery cavity 34 positioned on the upper side of the combustion cavity 30, and a penetrating clamping, a fourth electric slide rail 35 is arranged on the top wall of the clamping opening 33, a second air cylinder 45 is slidably arranged on the fourth electric slide rail 35, a clamping plate 46 is fixedly arranged at the tail end of an expansion link at the lower end of the second air cylinder 45, a second electric rotating shaft 44 is rotatably arranged on the clamping plate 46, a clamping block 43 is fixedly arranged on the second electric rotating shaft 44, a through recovery opening 42 is arranged between the recovery cavity 34 and the transportation cavity 66, a transmission cavity 11 positioned on the left side of the combustion cavity 30 is arranged in the machine body 10, an air pipe 14 communicated with the combustion cavity 30 is arranged in the transmission cavity 11, the other end of the transmission cavity 11 is communicated with the outside, an impeller shaft 16 is rotatably arranged on the rear wall of the transmission cavity 11, a first bevel gear 12 is fixedly arranged on the impeller shaft 16, an impeller 15 is fixedly arranged at the front end of the impeller shaft 16 extending into the air pipe 14, and an impeller 55 is arranged in the bottom wall of the transmission, the bevel gear shaft 55 is provided with a bevel gear 18 in a rotating way, the upper end of the bevel gear 18 is provided with a second bevel gear 17 meshed with the first bevel gear 12, a detection cavity 26 is arranged in the machine body 10 and is positioned at the lower side of the transmission cavity 11, the lower end of the shaft 18 extends into the detection cavity 26 and is fixedly provided with a torsion spring 56, a first sliding groove 19 is arranged on the top wall of the detection cavity 26, a fixed block 20 is arranged on the first sliding groove 19 in a sliding manner, the lower end of the fixing block 20 is fixedly provided with a gearwheel 21, the gearwheel 21 is internally provided with a screw rod 28, a second sliding groove 23 is arranged in the detection cavity 26, a push plate 27 is arranged on the second sliding groove 23 in a sliding manner, a spring 24 is connected between the push plate 27 and the bottom wall of the second sliding groove 23, the push plate 27 is abutted against the screw rod 28, a distance sensor 22 is arranged in the left wall of the detection cavity 26, and the distance sensor 22 can detect the moving distance of the push plate 27 so as to judge the air amount entering the combustion cavity 30.
Advantageously, the bottom wall of the detection chamber 26 is provided with an air vent 25 communicating with the outside.
Advantageously, a fifth electric slide rail 32 is arranged on the lower side of the gripping opening 33, a first slide block 31 is slidably arranged on the fifth electric slide rail 32, and the first slide block 31 can control the opening and closing of the gripping opening 33.
Advantageously, a hopper 50 is provided on the top wall of the transport chamber 66, and an inclined plate 51 is provided in the transport chamber 66, the inclined plate 51 being located on the lower side of the hopper 50, and the lower end of the inclined plate 51 extending to the upper side of the conveyor belt 41.
Advantageously, a sixth electric slide rail 38 is arranged on the right side of the inlet 36, and a second slide block 37 is slidably arranged on the sixth electric slide rail 38, wherein the second slide block 37 can control the opening and closing of the inlet 36.
Sequence of mechanical actions of the whole device:
coal enters the conveying cavity 66 through the hopper 50 and falls on the conveying belt 41 through the inclined plate 51, the coal falls on the conveying belt 41 in different sequences due to different weights of different coals when passing through the conveying belt 41, the coal is separated once, the first cylinder 48 for the larger coal slides along the third electric slide rail 47 to be positioned at the upper side of the coal, the first cylinder 48 pushes the pressing plate 49 to move downwards so as to crush the larger coal, the first electric rotating shaft 52 rotates to drive the scraper 53 to rotate so that the scraper 53 scrapes the coal adhered on the pressing plate 49, the coal is conveyed to the upper side of the inclined box 57 through the conveying belt 41 and falls in the inclined box 57, the inclined box 57 is filled with the coal, the weight recorder 59 records the weight of the coal, the second sliding block 37 slides along the sixth electric slide rail 38 to open the inlet 36, the movable plate 63 moves leftwards along the first electric slide rail 64, the bottom plate 60 moves leftwards along the second electric slide rail 62 so that the inclined box 57 enters the combustion cavity 30 through the inlet 36, 61 moves upward to push the inclined box 57 to rotate along the hinge shaft 58 so that the coal in the inclined box 57 is poured into the combustion chamber 30, then the motor 39 is started to drive the motor shaft 40 and the turntable 65 to rotate so that the coal can fall on the bottom wall of the combustion chamber 30 more uniformly, the burner 29 burns the coal, air enters the combustion chamber 30 through the air pipe 14 so as to supply oxygen for combustion, the air drives the impeller 15, the impeller shaft 16, the first bevel gear 12, the second bevel gears 17, 18, the torsion spring 56 and the large gear 21 to rotate so that the screw rod 28 moves downward, the screw rod 28 moves to push the push plate 27 to move downward along the second chute 23 to compress the spring 24 by accumulating force on the bevel gear shaft 55, the distance sensor 22 detects the moving distance of the push plate 27 so as to judge the air consumed during combustion, thereby judging whether the coal is combusted sufficiently, and if the combustion is not sufficiently, after cooling in the combustion chamber 30, the first slider 31 slides along the fifth electric sliding rail 32 to open the clamping opening 33, the second cylinder 45 moves leftwards along the fourth electric sliding rail 35, the second cylinder 45 pushes the clamping plate 46 to move downwards, the second electric rotating shaft 44 rotates to drive the clamping block 43 to rotate so as to clamp large residues, the second cylinder 45 drives the clamping plate 46 to move upwards and slide rightwards along the fourth electric sliding rail 35 to the upper side of the recovery opening 42, the second electric rotating shaft 44 rotates to drive the clamping plate 46 to move so that the residues fall on the conveying belt 41, and the residues are crushed again through the pressing plate 49 and sent into the combustion chamber 30 again.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides an automated inspection combustion degree's coal boiler, includes the organism and the burning chamber in the organism, its characterized in that: the coal combustion machine is characterized in that a combustor is arranged on the bottom wall of the combustion chamber, the combustor can perform combustion treatment on coal, a transportation chamber located on the right side of the combustion chamber is arranged in the machine body, a penetrating inlet is formed between the transportation chamber and the combustion chamber, a motor is arranged on the bottom wall of the transportation chamber, a motor shaft is connected to the upper end of the motor in a power mode, a rotary plate is fixedly arranged on the motor shaft, a first electric slide rail is arranged on the rotary plate, a movable plate is arranged on the first electric slide rail in a sliding mode, a second electric slide rail is arranged on the movable plate, a bottom plate is arranged on the second electric slide rail in a sliding mode, an inclined box is arranged on the upper side of the bottom plate, the inclined box is connected with the bottom plate through a hinged shaft, the bottom plate is provided with a position abutting against the inclined box, a conveying belt is arranged in the conveying cavity, the tail end of the conveying belt is positioned on the upper side of the inclined box, a third electric slide rail is arranged on the top wall of the conveying cavity, a first air cylinder is arranged on the third electric slide rail in a sliding manner, a press plate is fixedly arranged at the tail end of a telescopic rod at the lower end of the press plate, a first electric rotating shaft is rotatably arranged on the bottom wall of the conveying cavity, a scraper is fixedly arranged on the first electric rotating shaft, the first electric rotating shaft is positioned on the lower side of the press plate, a recovery cavity positioned on the upper side of the combustion cavity is arranged in the machine body, a penetrating clamping opening is arranged between the recovery cavity and the combustion cavity, a fourth electric slide rail is arranged on the top wall of the clamping opening, a second air cylinder is slidably arranged on the fourth electric slide rail, a clamping plate is fixedly arranged at the tail end of a telescopic rod at the lower end of the second air cylinder, a through recycling port is arranged between the recycling cavity and the transportation cavity, a transmission cavity positioned at the left side of the combustion cavity is arranged in the machine body, an air pipe communicated with the combustion cavity is arranged in the transmission cavity, the other end of the transmission cavity is communicated with the outside, an impeller shaft is rotatably arranged on the rear wall of the transmission cavity, a first bevel gear is fixedly arranged on the impeller shaft, the front end of the impeller shaft extends into the air pipe and is fixedly provided with an impeller, a bevel gear shaft is arranged in the bottom wall of the transmission cavity and is rotatably arranged on the bevel gear shaft, a second bevel gear meshed with the first bevel gear is arranged at the upper end of the bevel gear, a detection cavity positioned at the lower side of the transmission cavity is arranged in the machine body, the lower end extends into the detection cavity and is fixedly provided with a torsion spring, a first chute is arranged on the top wall of the detection cavity, a fixed block is slidably arranged on the first, the novel air-conditioning device is characterized in that a lead screw is arranged in the gear wheel, a second sliding groove is arranged in the detection cavity, a push plate is arranged on the second sliding groove in a sliding mode, a spring is connected between the bottom wall of the second sliding groove and the push plate, the push plate abuts against the lead screw, a distance sensor is arranged in the left wall of the detection cavity, and the distance sensor can detect the moving distance of the push plate and judge the air quantity entering the combustion cavity.
2. The coal boiler for automatically detecting the combustion degree according to claim 1, characterized in that: and the bottom wall of the detection cavity is provided with an exhaust hole communicated with the outside.
3. The coal boiler for automatically detecting the combustion degree according to claim 1, characterized in that: the clamping opening is provided with a first sliding block, and the first sliding block can control the opening and the closing of the clamping opening.
4. The coal boiler for automatically detecting the combustion degree according to claim 1, characterized in that: the conveying belt is characterized in that a funnel is arranged on the top wall of the conveying cavity, an inclined plate is arranged in the conveying cavity and located on the lower side of the funnel, and the lower end of the inclined plate extends to the upper side of the conveying belt.
5. The coal boiler for automatically detecting the combustion degree according to claim 1, characterized in that: the entry right side is equipped with sixth electronic slide rail, it is equipped with the second slider to slide on the sixth electronic slide rail, the second slider can control the switch of entry.
CN202011311884.4A 2020-11-20 2020-11-20 Coal boiler capable of automatically detecting combustion degree Withdrawn CN112344322A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011311884.4A CN112344322A (en) 2020-11-20 2020-11-20 Coal boiler capable of automatically detecting combustion degree

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011311884.4A CN112344322A (en) 2020-11-20 2020-11-20 Coal boiler capable of automatically detecting combustion degree

Publications (1)

Publication Number Publication Date
CN112344322A true CN112344322A (en) 2021-02-09

Family

ID=74365359

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011311884.4A Withdrawn CN112344322A (en) 2020-11-20 2020-11-20 Coal boiler capable of automatically detecting combustion degree

Country Status (1)

Country Link
CN (1) CN112344322A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114034596A (en) * 2021-12-16 2022-02-11 安徽华塑股份有限公司 Boiler combustion efficiency testing device and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114034596A (en) * 2021-12-16 2022-02-11 安徽华塑股份有限公司 Boiler combustion efficiency testing device and method

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WW01 Invention patent application withdrawn after publication
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Application publication date: 20210209