CN111594467A - Online self-ash-removing device for fan impeller - Google Patents
Online self-ash-removing device for fan impeller Download PDFInfo
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- CN111594467A CN111594467A CN202010388748.9A CN202010388748A CN111594467A CN 111594467 A CN111594467 A CN 111594467A CN 202010388748 A CN202010388748 A CN 202010388748A CN 111594467 A CN111594467 A CN 111594467A
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- impeller
- shell
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- fan
- ash
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/002—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to reduce the generation or the transmission of noise or to produce a particular sound; associated with noise monitoring means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
- B05B1/3013—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being a lift valve
- B05B1/302—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being a lift valve with a ball-shaped valve member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of mechanical equipment dust removal, in particular to an online self-dust-removing device for a fan impeller, which is used in a fan, wherein the fan comprises a shell, an impeller and a driving device, the driving device comprises a motor, a driving rod and a transmission device, the transmission device is arranged outside the shell, the driving rod horizontally penetrates through the shell from left to right, one end of the driving rod is connected with the transmission device, the other end of the transmission device is connected with the motor, the impeller is arranged in the shell, the impeller penetrates through the middle end of the driving rod and is fixedly connected with the middle end of the driving rod, an air inlet is arranged at the bottom of the shell, an air outlet is arranged at one side of the shell and is vertical to the central line of the impeller, and the online self-dust-removing: the on-line dust removal can be carried out on the fan, the dust removal work can be realized without stopping the fan, the period of the dust removal after stopping is greatly prolonged, and the cost is effectively reduced.
Description
Technical Field
The invention relates to the technical field of mechanical equipment dust removal, in particular to an online self-dust removal device for a fan impeller.
Background
In industries such as steel, cement, electric power and the like, a large number of centrifugal fans (such as sintering ring air coolers, coal gas pressurizing fans, dust removing fans and boiler induced draft fans) have the problem of blade dust deposition, and the problem of dynamic balance of the fans and vibration caused by the dynamic balance can be seriously influenced by excessive dust deposition of the fans. In the production process, the fan which is easy to form dust needs to be stopped to remove the dust after running for a period of time, otherwise, the bearing can be damaged due to serious vibration, the service life of the bearing is shortened, even production accidents occur, huge damage is caused to the fan, great safety influence is achieved, and the production cost is greatly increased due to frequent stopping for dust removal.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the fan impeller online self-ash-cleaning device is simple in structure, safe and reliable, can perform online ash cleaning on a fan, can achieve ash cleaning work without stopping the fan, greatly prolongs the period of stopping ash cleaning, and effectively reduces cost.
The basic scheme of the invention is as follows: fan wheel is online from deashing device for inside the fan, the fan includes shell, impeller, drive arrangement includes motor, actuating lever and transmission, transmission locates the shell is outside, the actuating lever passes from the left hand right side level the shell, just the one end and the transmission of actuating lever are connected, and transmission's the other end and motor are connected, and when the motor started, transmission drove the rotation takes place for the actuating lever, the impeller install in inside the shell, just the impeller passes actuating lever middle-end and rather than fixed connection, the shell bottom is equipped with the air intake, shell one side is equipped with the air outlet, just the air outlet perpendicular to the central line of impeller, the impeller includes a plurality of blades, inside the shell was located to the deashing device.
Preferably, the ash removal device comprises a blade ash removal mechanism, the blade ash removal mechanism is movably connected with the driving rod through a mounting block, a mounting hole is formed in the mounting block, the driving rod penetrates through the mounting hole, the mounting block can slide relative to the driving rod, the upper surface of the mounting block is fixedly connected with the shell through a fixing rod, and the fixing rod limits the movement of the mounting block.
Preferably, the blade deashing mechanism includes nozzle and gas-supply pipe, the nozzle is located the front end of installation piece, just the nozzle is towards the blade, the installation piece is opened there is the gas transmission hole, the one end of gas transmission hole with the gas-supply pipe is connected, the gas transmission hole with the nozzle is connected, and gas enters into in the gas transmission hole through the gas-supply pipe, and rethread nozzle spouts to the blade.
Preferably, the horizontal distance between the nozzle and the blade does not exceed 20 cm.
Too large a distance between the nozzle and the blade may affect the operation of the nozzle, resulting in poor cleaning of the dust and failure to remove a significant portion of the dust from the blade surface.
Preferably, the number of the nozzles is 10 to 20, the nozzles are arranged in one row or two rows, each nozzle comprises an air injection section and a connecting section, the connecting sections of all the nozzles are communicated, one end of each connecting section is connected with the nozzle, and the other end of each connecting section is connected with the vent hole.
After the gas enters the connecting section, the gas is divided into a plurality of parts to enter a plurality of gas spraying sections, the gas channels are reduced, the output gas pressure is increased, and one row or two parallel nozzles work together, so that the cleaning effect is enhanced.
Preferably, the ash removal device also comprises an in-shell ash removal mechanism, the in-shell ash removal mechanism comprises a spiral rack, the spiral rack is fixedly connected with the driving rod, when the driving rod rotates, the spiral rack rotates synchronously with the driving rod, the spiral rack and the impeller are not contacted all the time in the movement process, a cleaning brush is arranged on the surface of the spiral rack, the cleaning brush covers the whole surface of the spiral rack, and the free end of the cleaning brush is contacted with the inner wall of the shell.
Preferably, one end of the spiral rack is connected with the driving rod through a first support, the middle end of the spiral rack is connected with the driving rod through a second support, and the other end of the spiral rack is connected with the driving rod through a third support.
Preferably, impeller deashing mechanism is connected with the deashing system, the deashing system is including taking over and the gas holder outward, it is connected with first ball valve to take over outward, the one end that outside pipeline was kept away from to first ball valve has connected gradually pneumatic trigeminy piece through the pipeline, pneumatic trigeminy piece with gas tank connection, there is the second ball valve through pipe connection on the gas holder, the other end of second ball valve is connected with the check valve, the other end and the gas-supply pipe of check valve are connected, check valve control gas only flows to the gas-supply pipe from the second ball valve.
The flow speed and the flow of the gas sprayed out from the nozzle are controlled by the ash removal system, so that the ash removal of the fan can be carried out with high efficiency under different working states.
Preferably, a solenoid valve is further arranged between the one-way valve and the second ball valve.
The direction, flow, velocity and other parameters of the media are adjusted in the ash removal system.
Preferably, a one-way throttle valve is further arranged between the one-way valve and the second ball valve, and the one-way throttle valve is connected with the electromagnetic valve in parallel.
The one-way throttle valve can be widely used as a one-way valve and a throttle valve, the throttle cross section or the throttle length is changed to control the gas flow, an effective adjusting effect is achieved, the auxiliary pipeline gas conveying is throttled, and the throttling requirement of the gas pressure used by the nozzle can be met.
The working principle and the advantages of the invention are as follows: (1) can carry out on-line dust removal on the fan, can realize dust removal work without stopping the fan, greatly prolongs the period of stopping dust removal, greatly reduces the stop time of the fan, improves the operation rate and the productivity of equipment, effectively reduces the cost,
(2) the one-way throttle valve is arranged, so that airflow with certain pressure can be kept at the outlet of the nozzle after the ash removal is finished, the nozzle is prevented from being blocked, meanwhile, the one-way throttle valve can prevent the problem of back suction, and meanwhile, the gas and the cost can be saved;
(3) the working efficiency of the fan is improved, the dust removal and the fan operation are simultaneously carried out, the online purging is carried out, the operation of the fan is not influenced in the dust removal process, the operating rate of the fan is greatly improved, and the dust removal process influences the operation of equipment;
(4) when the nozzle spun is gaseous carries out the deashing to the impeller, the dust that gaseous blow-up very big probably adheres on the outer inner wall of fan, has set up deashing mechanism in the shell, and at the impeller during operation, deashing mechanism simultaneous working in blade deashing mechanism and the shell, the dust that the clearance was fallen drops from the air intake of shell bottom, has reduced the influence of dust to the whole function of fan, increase of service life.
Drawings
FIG. 1 is a perspective view of the fan impeller on-line self-ash-cleaning device of the present invention;
FIG. 2 is a schematic perspective view of an online self-ash-cleaning device for a fan impeller according to the present invention;
FIG. 3 is a front view of the fan impeller on-line self-cleaning device of the present invention;
FIG. 4 is a schematic structural diagram (view angle one) of a nozzle of the online self-cleaning device for the fan impeller according to the present invention;
FIG. 5 is a schematic structural view (viewing angle two) of a nozzle of the online self-cleaning device for the fan impeller according to the present invention;
FIG. 6 is a schematic diagram of the ash removal system of the online self-ash-removal device for the fan impeller according to the present invention.
Reference numerals referred to in the drawings are: the device comprises a first ball valve 1, a pneumatic triple piece 2, an air storage tank 3, a second ball valve 4, a one-way throttle valve 5, an electromagnetic valve 6, a one-way valve 7, a nozzle 8, an air injection section 801, a connecting section 802, a spherical hinge 803, a hinge pipe 804, a pressure reducing hole 805, a communicating pipe 806, a mounting block 807, a fixing rod 808, a connecting block 809, a fan 9, a motor 901, a transmission device 902, a shell 903, an air outlet 904, an air inlet 905, a collecting disc 906, a driving rod 907, a supporting frame 908, an in-shell ash removal mechanism 10, a spiral rack 101, a cleaning brush 102, a first support 103, a second support 104, a third support 105, an impeller 11 and blades 11 a.
Detailed Description
The following is further detailed by the specific embodiments:
as shown in fig. 1-6, the online self-deashing device for the fan impeller can perform online deashing on the fan 9, and can perform deashing without stopping the fan 9, thereby greatly prolonging the period of shutdown deashing and effectively reducing the cost, the device is used inside the fan 9, the fan 9 comprises a housing 903, an impeller 11 and a driving device, the driving device comprises a motor 901, a driving rod 907 and a transmission device 902, the transmission device 902 is arranged outside the housing 903, the driving rod 907 horizontally penetrates through the housing 903 from left to right, one end of the driving rod 907 is connected with the transmission device 902, the other end of the transmission device 902 is connected with the motor 901, when the motor 901 is started, the transmission device 902 drives the driving rod 907 to generate, the impeller 11 is installed inside the housing 903, the impeller 11 penetrates through the middle end of the driving rod 907 and is fixedly connected therewith, an air inlet 905 is arranged at the bottom of the housing 903, the air outlet 904 is perpendicular to the center line of the impeller 11, the impeller 11 comprises a plurality of blades 11a, the ash removing device is arranged inside the casing 903, and as the impeller 11 has a certain weight and the casing 903 is thin, two support frames 908 are used for supporting two driving ends and the support frames 908 are connected with the casing 903 to decompose the integral stress.
The online self-cleaning device for the fan impeller comprises a blade 11a ash cleaning mechanism, the blade 11a ash cleaning mechanism is movably connected with a driving rod 907 through an installation block 807, an installation hole is formed in the installation block 807, the driving rod 907 penetrates through the installation hole, the installation block 807 can slide relative to the driving rod 907, the upper surface of the installation block 807 is fixedly connected with a shell 903 through a fixing rod 808, the fixing rod 808 limits movement of the installation block 807, the blade 11a ash cleaning mechanism comprises a nozzle 8 and an air pipe, the nozzle 8 is arranged at the front end of the installation block 807, the nozzle 8 faces to the blade 11a, the installation block 807 is provided with an air conveying hole, one end of the air conveying hole is connected with the air pipe, the air conveying hole is connected with the nozzle 8, air enters the air conveying hole through the air pipe, then is sprayed to the blade 11a through the nozzle 8, and the horizontal distance between the nozzle. Too large a distance between the nozzle 8 and the blade 11a may affect the operation of the nozzle 8, resulting in insufficient cleaning of dust and failure to remove a large portion of the dust on the surface of the blade 11 a.
The number of the nozzles 8 is 10-20, the nozzles 8 are arranged in a row or two rows, each nozzle 8 comprises an air injection section and a connecting section 802, the connecting sections 802 of all the nozzles 8 are communicated, one end of each connecting section 802 is connected with the nozzle 8, and the other end of each connecting section 802 is connected with the vent hole. After the gas enters the connecting section 802, the gas is divided into a plurality of parts and enters a plurality of gas spraying sections, the gas channel is reduced, the output gas pressure is increased, and one row or two parallel nozzles 8 work together, so that the cleaning effect is enhanced.
In this implementation, 16 nozzles 8 are arranged in front of a fixed hole in a row, the rear of a connecting section 802 of each nozzle 8 is hinged to the fixed hole, the adopted spherical hinge joint is adopted, the spherical hinge joint 803 and the hinge joint pipe 804 are matched, the hinge joint pipe 804 is connected with the connecting block 809, a through hole is formed in the middle of the connecting block 809, a communicating pipe 806 is placed in the through hole, the communicating pipe 806 penetrates through the fixed hole to be connected with a gas pipe, the spherical hinge joint 803 and the hinge joint pipe 804 are hollow, and a plurality of pressure reducing holes 805 are formed in the connecting position of the hinge joint pipe 804 and the connecting block 809 to prevent the gas pressure inside the hinge joint pipe 804 from being too high.
The ash removal device further comprises an in-shell ash removal mechanism 10, the in-shell ash removal mechanism 10 comprises a spiral rack 101, the spiral rack 101 is fixedly connected with a driving rod 907, when the driving rod 907 rotates, the spiral rack 101 rotates synchronously with the driving rod 907, the spiral rack 101 and an impeller 11 are not in contact all the time in the movement process, a cleaning brush 102 is arranged on the surface of the spiral rack 101, the cleaning brush 102 covers the whole surface of the spiral rack 101, and the free end of the cleaning brush 102 is in contact with the inner wall of the shell 903.
One end of the spiral rack 101 is connected with the driving rod 907 through the first support 103, the middle end of the spiral rack 101 is connected with the driving rod 907 through the second support 104, and the other end of the spiral rack 101 is connected with the driving rod 907 through the third support 105
As shown in fig. 6, 11 deashing mechanisms of impeller are connected with the deashing system, the deashing system is including external pipe and gas holder 3, external pipe is connected with first ball valve 1, the one end that outside pipeline was kept away from to first ball valve 1 has connected gradually pneumatic trigeminy piece 2 through the pipeline, pneumatic trigeminy piece 2 is connected with gas holder 3, there is second ball valve 4 through the pipe connection on the gas holder 3, the other end of second ball valve 4 is connected with check valve 7, the other end and the gas-supply pipe of check valve 7 are connected, check valve 7 control gas only flows to the gas-supply pipe from second ball valve 4, through 8 gaseous spun velocity of flow and the flow of deashing system control nozzle, in order to reach fan 9 under different operating condition, can both the great efficiency carry.
An electromagnetic valve 6 is arranged between the one-way valve 7 and the second ball valve 4, and the direction, the flow rate, the speed and other parameters of the medium are adjusted in the ash removal system.
The middle of the one-way valve 7 and the second ball valve 4 is also provided with a one-way throttle valve 5, the one-way throttle valve 5 is connected with the electromagnetic valve 6 in parallel, the one-way throttle valve 5 can be widely used as the one-way valve 7 and also can be used as a throttle valve, the throttle cross section or the throttle length is changed to control the gas flow, an effective adjusting effect is achieved, the auxiliary pipeline gas conveying is used for throttling, and the throttling requirement of the gas pressure used by the nozzle 8 can be met.
With the device:
(1) can carry out on-line dust removal on the fan 9, can realize dust removal work without stopping the fan 9, greatly prolongs the period of stopping dust removal, greatly reduces the stop time of the fan 9, improves the operation rate and the productivity of equipment, effectively reduces the cost,
(5) the one-way throttle valve 5 is arranged, so that airflow with certain pressure can be kept at the outlet of the nozzle 8 after ash removal is finished, the nozzle 8 is prevented from being blocked, meanwhile, the one-way throttle valve 5 can prevent the problem of back suction, and meanwhile, gas and cost can be saved, and the online ash removal device is simple in structure, convenient to operate, low in cost, safe, reliable and high in reliability;
(6) the working efficiency of the fan 9 is improved, the dust removal and the operation of the fan 9 are simultaneously carried out, the online purging is carried out, the operation of the fan 9 is not influenced in the dust removal process, the operating rate of the fan 9 is greatly improved, and the operation of the equipment is influenced in the dust removal process;
(7) when 8 spun gas of nozzle carries out the deashing to impeller 11, the dust that gas was blown up very big probably the adhesion on the outer inner wall of fan 9, deashing mechanism 10 in the shell has been set up, at impeller 11 during operation, deashing mechanism 10 simultaneous working in blade 11a deashing mechanism and the shell, the dust that the clearance was fallen drops from the air intake 905 of shell 903 bottom, the below of air intake 905 can also set up collection dish 906 and catch the dust that drops, the influence of dust to the whole function of fan 9 has been reduced, and service life is prolonged.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (10)
1. Fan wheel is online from ash removal device for inside the fan, its characterized in that: the fan includes shell, impeller, drive arrangement includes motor, actuating lever and transmission, transmission locates the shell is outside, the actuating lever is passed from the left hand right side level the shell, just the one end and the transmission of actuating lever are connected, and transmission's the other end is connected with the motor, and when the motor started, transmission drove the rotation takes place for the actuating lever, the impeller install in inside the shell, just the impeller passes the actuating lever middle-end and rather than fixed connection, the shell bottom is equipped with the air intake, shell one side is equipped with the air outlet, just the air outlet perpendicular to the central line of impeller, the impeller includes a plurality of blades, ash removal device locates inside the shell.
2. The fan impeller online self-ash-cleaning device according to claim 1, characterized in that: the online self-ash-removing device for the fan impeller comprises a blade ash-removing mechanism, the blade ash-removing mechanism is movably connected with a driving rod through a mounting block, a mounting hole is formed in the mounting block, the driving rod penetrates through the mounting hole, the mounting block can slide relative to the driving rod, the upper surface of the mounting block is fixedly connected with a shell, and the fixing rod limits the movement of the mounting block.
3. The fan impeller online self-ash-cleaning device according to claim 2, characterized in that: the blade deashing mechanism includes nozzle and gas-supply pipe, the nozzle is located the front end of installation piece, just the nozzle is towards the blade, the installation piece is opened there is the gas transmission hole, the one end of gas transmission hole with the gas-supply pipe is connected, the gas transmission hole with the nozzle is connected, and gas passes through the gas-supply pipe and enters into in the gas transmission hole, and rethread nozzle spouts to the blade.
4. The online self-cleaning device for the fan impeller according to claim 3, characterized in that: the horizontal distance between the nozzle and the blade is not more than 20 cm.
5. The online self-cleaning device for the fan impeller according to claim 4, characterized in that: the nozzles comprise 10-20 nozzles which are arranged in one row or two rows, each nozzle comprises an air injection section and a connecting section, the connecting sections of all the nozzles are communicated, one end of each connecting section is connected with the nozzle, and the other end of each connecting section is connected with the vent hole.
6. The online self-cleaning device for the fan impeller according to claim 5, characterized in that: the ash removal device is characterized by further comprising an in-shell ash removal mechanism, the in-shell ash removal mechanism comprises a spiral frame, the spiral frame is fixedly connected with the driving rod, when the driving rod rotates, the spiral frame rotates synchronously with the driving rod, the spiral frame is not contacted with the impeller all the time in the motion process, a cleaning brush is arranged on the surface of the spiral frame, the cleaning brush covers the whole surface of the spiral frame, and the free end of the cleaning brush is contacted with the inner wall of the shell.
7. The online self-cleaning device for the fan impeller according to claim 6, characterized in that: one end of the spiral rack is connected with the driving rod through a first support, the middle end of the spiral rack is connected with the driving rod through a second support, and the other end of the spiral rack is connected with the driving rod through a third support.
8. The fan impeller online self-ash-cleaning device according to claim 7, characterized in that: the impeller deashing mechanism is connected with the deashing system, the deashing system is including taking over and gas holder outward, it is connected with first ball valve to take over outward, the one end that outside pipeline was kept away from to first ball valve has connected gradually pneumatic trigeminy piece through the pipeline, pneumatic trigeminy piece with gas tank connection, there is the second ball valve through pipe connection on the gas holder, the other end of second ball valve is connected with the check valve, the other end and the gas-supply pipe of check valve are connected, check valve control gas only flows to the gas-supply pipe from the second ball valve.
9. The fan impeller online self-ash-cleaning device according to claim 8, characterized in that: and an electromagnetic valve is also arranged between the one-way valve and the second ball valve.
10. The fan impeller online self-ash-cleaning device according to claim 9, characterized in that: and a one-way throttle valve is further arranged between the one-way valve and the second ball valve and is connected with the electromagnetic valve in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010388748.9A CN111594467A (en) | 2020-05-09 | 2020-05-09 | Online self-ash-removing device for fan impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010388748.9A CN111594467A (en) | 2020-05-09 | 2020-05-09 | Online self-ash-removing device for fan impeller |
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| Publication Number | Publication Date |
|---|---|
| CN111594467A true CN111594467A (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010388748.9A Pending CN111594467A (en) | 2020-05-09 | 2020-05-09 | Online self-ash-removing device for fan impeller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170280A (en) * | 2020-09-08 | 2021-01-05 | 苏明兰 | Waste heat incineration gas treatment device |
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| CN204082694U (en) * | 2014-08-01 | 2015-01-07 | 陕西钢铁集团有限公司 | A kind of gas fan impeller on-line cleaning device |
| CN208106843U (en) * | 2018-02-07 | 2018-11-16 | 中国平煤神马集团许昌首山化工科技有限公司 | A kind of self-cleaning gas-blowing engine |
| CN109759391A (en) * | 2019-03-21 | 2019-05-17 | 南京玛格耐特智能科技有限公司 | A kind of blower online ash removal device |
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2020
- 2020-05-09 CN CN202010388748.9A patent/CN111594467A/en active Pending
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|---|---|---|---|---|
| DE202004021476U1 (en) * | 2004-02-16 | 2008-04-17 | Gas Turbine Efficiency Ab | Apparatus for cleaning a turbofan gas turbine engine |
| CN101486437A (en) * | 2008-01-18 | 2009-07-22 | 南京理工大学 | Micro-nozzle and manufacture method thereof |
| CN101829445A (en) * | 2010-05-25 | 2010-09-15 | 江汉大学 | Fully-automatic hydrodynamic continuous brushing filter |
| CN203130625U (en) * | 2012-11-04 | 2013-08-14 | 滁州市荣德电子科技有限公司 | Air-blowing fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112170280A (en) * | 2020-09-08 | 2021-01-05 | 苏明兰 | Waste heat incineration gas treatment device |
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Application publication date: 20200828 |
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| RJ01 | Rejection of invention patent application after publication |