CN109441850A - Mix-driving and energy-saving type ability of swimming evaporative condenser blower - Google Patents
Mix-driving and energy-saving type ability of swimming evaporative condenser blower Download PDFInfo
- Publication number
- CN109441850A CN109441850A CN201811519228.6A CN201811519228A CN109441850A CN 109441850 A CN109441850 A CN 109441850A CN 201811519228 A CN201811519228 A CN 201811519228A CN 109441850 A CN109441850 A CN 109441850A
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- Prior art keywords
- water
- bearing
- driving
- several
- shunting
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Classifications
-
- 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
- F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/06—Bearing arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to blower technical fields, more particularly to mix-driving and energy-saving type ability of swimming evaporative condenser blower, water turbine casing is driven to rotate using the impact force of water flow, and then connecting rod, driven wheel, crisscross fixer is driven to rotate coaxially, it is final to drive flabellum rotation, when the revolving speed of flabellum reaches required revolving speed, motor is closed, and the power of flabellum is provided by the impact force of water flow；When the revolving speed of flabellum not up to required revolving speed, electric motor starting is driven by a motor driving wheel rotation, and then driven wheel, connecting rod, crisscross fixer is driven to rotate coaxially, final that flabellum is driven to rotate；Filled layer is replaced by helical axis, reduces the intake resistance of ability of swimming evaporative condenser fan air inlet, air circulation effect is good, good cooling results；The configuration of the present invention is simple, novelty, air circulation effect is good, good cooling results, and there is electrical energy drive and water energy to drive two kinds of driving methods, and driving method is flexibly practical, and can economy, easily reduction energy consumption ratio.
Description
Technical field
The present invention relates to blower technical field more particularly to mix-driving and energy-saving type ability of swimming evaporative condenser blowers.
Background technique
For a long time, there are two types of driving methods for ability of swimming evaporative condenser blower.The first, motor direct connection or passes through deceleration
The operation of device driving fan.Since the operation load of ability of swimming evaporative condenser has direct correlation with meteorological condition, in the shape of low-load
Energy consumption ratio under the energy consumption and full load state opened under state is without reduction；Second, the high hydraulic drives hydraulic turbine of system pipe network,
The hydraulic turbine coaxially drives fan to run.This type ability of swimming evaporative condenser intake pressure is greater than 140kpa, steams than general ability of swimming
Feel cold the big 80kpa of condenser intake pressure, if cooling water pump power also can be big, the energy consumption of whole system is more electronic than unlike traditional
The driving ability of swimming evaporative condenser of machine is small, is unable to satisfy use in the state of system overburden.
The forced area of traditional hydraulic turbine wheel blade is smaller than water impact area, water flow impact pressure utilization rate bottom；And it can be again
Filled layer is arranged in the lower section of blower, which increases the intake resistance of ability of swimming evaporative condenser fan air inlet, air inlet resistance
Power is big, and air circulation is ineffective, and cooling effect is poor.
Summary of the invention
To solve problems described above, the present invention provides mix-driving and energy-saving type ability of swimming evaporative condenser blower.
Mix-driving and energy-saving type ability of swimming evaporative condenser blower, comprising: bracket, machine frame, the bracket are fixedly arranged on the machine
Middle part on the inside of frame, the centre of the bracket are installed with bearing plate, and shunting pressurization axis, the shunting are installed on the bearing plate
First bearing, second bearing, 3rd bearing, fourth bearing are successively arranged on pressurization axis from the bottom to top, described shunt is pressurized axis
Bottom end is equipped with water turbine casing, and the bottom end of the water turbine casing is fixedly connected with the outer shaft of the first bearing, the water
The top of turbine casing is fixedly connected with the outer shaft of the second bearing, and several wheel blades, institute are equipped in the water turbine casing
The bottom for stating water turbine casing is equipped with several water outlets, is installed with driven wheel on the outer shaft of the 3rd bearing, and the described 4th
It is installed with crisscross fixer on the outer shaft of bearing, flabellum, the cross are installed on the free end of the crisscross fixer
The bottom of fixed frame is installed with several connecting rods, and driven wheel is run through in the bottom end of several connecting rods, and with the hydraulic turbine
It is fixedly connected at the top of casing.
One end of the bracket is installed with motor, is installed with driving wheel on the output shaft of the motor, the driving wheel with
The driven wheel is connected by belt, and frame, the top at the top for shunting pressurization axis and the frame are additionally provided on the bracket
End is fixedly connected.
The bottom end of the machine frame is installed with several bearing bars, and the bottom end of several bearing bars is fixedly connected with water storage tank,
The centre of the water storage tank is installed with pedestal, and the top of the pedestal is installed with 5th bearing, is installed in the 5th bearing
Helical axis, the top of the helical axis are installed with 6th bearing, and the 6th bearing is fixedly arranged on the bottom of the bracket；Several institutes
It states and is equipped with erection slot at the top of bearing bar, be provided with atomizing spray group on the erection slot.
As further scheme of the invention: the bearing plate is with the bracket by being welded and fixed.
As further scheme of the invention: the bearing plate is to be threadedly coupled with shunting pressurization axis.
As further scheme of the invention: the bottom for shunting pressurization axis is equipped with the first water inlet, and the shunting increases
The shunting shaft shoulder is additionally provided on last item, the shunting shaft shoulder is between the first bearing and the second bearing, the shunting
The shaft shoulder is equipped with several shunting water jets, and several shunting water jets are connected to first water inlet, several shuntings
The total flow of water jet is less than the flow of first water inlet.
As further scheme of the invention: the water turbine casing takes a point shell type structure, is fixed by screw, and is connecing
It is equipped with waterproof coating at mouthful, or is equipped with waterproof measure.
As further scheme of the invention: the free end of the crisscross fixer is to be threadedly coupled with the flabellum.
As further scheme of the invention: the top for shunting pressurization axis and the top of the frame are consolidated by screw
It is fixed.
As further scheme of the invention: the motor is fixed with the bracket by screw.
As further scheme of the invention: the connecting rod is four.
As further scheme of the invention: if the atomizing spray group includes several interconnected water pipes and dry nebulization
Nozzle, several atomizers are set on several water pipes, and the interconnected place of several water pipes is located at the mist
Change among water spray group, and the connectivity part is equipped with through-hole again, the bottom end of the helical axis runs through through-hole, has one in several water pipes
The free end of root water pipe is equipped with the second water inlet, and the second water inlet is circumscribed with water source, and the free end of other water pipes seals and sets
It sets.
This hair name the utility model has the advantages that using water flow impact force drive water turbine casing rotate, and then drive connecting rod, from
Driving wheel, crisscross fixer rotate coaxially, final to drive flabellum rotation, and when the revolving speed of flabellum reaches required revolving speed, motor is closed,
The power of flabellum is provided by the impact force of water flow；When the revolving speed of flabellum not up to required revolving speed, electric motor starting is driven by a motor
Driving wheel rotation, and then driven wheel, connecting rod, crisscross fixer is driven to rotate coaxially, it is final to drive flabellum rotation；By helical axis
Filled layer is replaced, reduces the intake resistance of ability of swimming evaporative condenser fan air inlet, air circulation effect is good, cooling effect
It is good；The configuration of the present invention is simple, novelty, air circulation effect is good, good cooling results, and there is electrical energy drive and water energy to drive two kinds
Driving method, driving method is flexibly practical, and can economy, easily reduction energy consumption ratio.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of mix-driving and energy-saving type ability of swimming evaporative condenser blower provided by the invention.
Fig. 2 is that the structure of the shunting pressurization axis of mix-driving and energy-saving type ability of swimming evaporative condenser blower provided by the invention is shown
It is intended to.
Fig. 3 is the internal junction of the water turbine casing of mix-driving and energy-saving type ability of swimming evaporative condenser blower provided by the invention
Structure schematic diagram.
Fig. 4 is that the structure of the crisscross fixer of mix-driving and energy-saving type ability of swimming evaporative condenser blower provided by the invention is shown
It is intended to.
Fig. 5 is that the structure of the materialization water spray group of mix-driving and energy-saving type ability of swimming evaporative condenser blower provided by the invention is shown
It is intended to.
In figure: 1- bracket；2- bearing plate；3- shunts pressurization axis；4- first bearing；5- second bearing；6- 3rd bearing；7-
Fourth bearing；8- water turbine casing；9- driven wheel；10- crisscross fixer；11- flabellum；12- connecting rod；13- motor；14- master
Driving wheel；15- frame；The first water inlet of 16-；17- shunts the shaft shoulder；18- shunts water jet；19- wheel blade；20- water outlet；21-
Two threaded holes；22- machine frame；23- bearing bar；24- water storage tank；25- pedestal；26- 5th bearing；27- helical axis；The 6th axis of 28-
It holds；29- sets up slot；30- atomizing spray group；31- through-hole；The second water inlet of 32-；301- water pipe；302- atomizer.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figures 1 to 5, mix-driving and energy-saving type ability of swimming evaporative condenser blower, comprising: bracket 1, machine frame 22, branch
Frame 1 is fixedly arranged on the middle part of 22 inside of machine frame, and the centre of bracket 1 is installed with bearing plate 2, and shunting pressurization axis is installed on bearing plate 2
3, it shunts and is successively arranged first bearing 4, second bearing 5,3rd bearing 6, fourth bearing 7 from the bottom to top on pressurization axis 3, shunt and increase
The bottom end of last item 3 is equipped with water turbine casing 8, and the bottom end of water turbine casing 8 is fixedly connected with the outer shaft of first bearing 4, water wheels
The top of machine casing 8 is fixedly connected with the outer shaft of second bearing 5, and several wheel blades 19, hydraulic turbine machine are equipped in water turbine casing 8
The bottom of shell 8 is equipped with several water outlets 20, is installed with driven wheel 9, the outer shaft of fourth bearing 7 on the outer shaft of 3rd bearing 6
On be installed with crisscross fixer 10, flabellum 11, the bottom of crisscross fixer 10 are installed on the free end of crisscross fixer 10
Several connecting rods 12 are installed with, driven wheel 9 is run through in the bottom end of several connecting rods 12, and fixes with the top of water turbine casing 8
Connection.
One end of bracket 1 is installed with motor 13, is installed with driving wheel 14 on the output shaft of motor 13, driving wheel 14 with it is driven
Wheel 9 is connected by belt, and frame 15 is additionally provided on bracket 1, and the top for shunting pressurization axis 3 is fixedly connected with the top of frame 15.
The bottom end of machine frame 22 is installed with several bearing bars 23, and the bottom end of several bearing bars 23 is fixedly connected with water storage tank 24,
The centre of water storage tank is installed with pedestal 25, and the top of pedestal 25 is installed with 5th bearing 26, is installed with spiral in 5th bearing 26
Axis 27, the top of helical axis 27 are installed with 6th bearing 28, and 6th bearing 28 is fixedly arranged on the bottom of bracket 1；Several bearing bars 23
Top be equipped with set up slot 29, set up slot 29 on be provided with atomizing spray group 30.
In the present invention: bearing plate 2 is with bracket 1 by being welded and fixed.
In the present invention: bearing plate 2 is to be threadedly coupled with pressurization axis 3 is shunted.
In the present invention: the bottom for shunting pressurization axis 3 is equipped with the first water inlet 16, shunts and is additionally provided with shunt shaft on pressurization axis 3
Shoulder 17 shunts the shaft shoulder 17 between first bearing 4 and second bearing 5, shunts the shaft shoulder 17 and is equipped with several shunting water jets 18,
Several shunting water jets 18 are connected to the first water inlet 16, and several total flows for shunting water jet 18 are less than the first water inlet 16
Flow.Wherein, shunting pressurization axis 3 can be by shunting the shaft shoulder 17 for water stream, and several total flows for shunting water jet 18 are small
In the flow of the first water inlet 16, so that the hydraulic pressure enhancing of the water flow sprayed from several shunting water jets 18.
In the present invention: water turbine casing 8 takes a point shell type structure, is fixed by screw, and is equipped with waterproof coating in interface,
Or it is equipped with waterproof measure.In the present invention: the free end of crisscross fixer 10 is to be threadedly coupled with flabellum 11.
In the present invention: the top at the top and frame 15 that shunt pressurization axis 3 is fixed by screw.
In the present invention: motor 13 is fixed with bracket 1 by screw.
In the present invention: connecting rod 12 is four.
In the present invention: atomizing spray group 30 includes several interconnected water pipes 301, several atomizers 302, if dry fog
Change nozzle 302 to be distributed on several water pipes 301, several water pipes 301 place of being interconnected is located among atomizing spray group 30, and at this
Connectivity part is equipped with through-hole 31, and the bottom end of helical axis 27 is run through through-hole 31, set on the free end for having a water pipe in several water pipes 301
There is the second water inlet 32, the second water inlet 32 is circumscribed with water source, the equal sealed set in the free end of other water pipes.
Wherein, the both ends for shunting pressurization axis 3 are fixed with bearing plate 2, frame 15 respectively, so that the present invention is more steady at runtime
It is fixed；Shunting pressurization axis 3 can be such that water impact area shares to several wheel blades 19 water stream, and enhance the water after shunting
The hydraulic pressure of stream makes impact force caused by the water flow after shunting be greater than the impact force that can be formed before water stream；Atomizer 302
Atomized steam is sprayed to be easier to evaporate；Helical axis 27 is solely subjected to its own weight in the mixed motivity type ability of swimming evaporative condenser blower
It measures, and the weight of the water flowed out by water outlet 20, is not subject to other gravity, constituent material selectivity is more.
Working principle of the present invention: firstly, water flow is entered by the first water inlet 16 shunts the shaft shoulder 17, then sprays water from several shuntings
Mouth 18 sprays, while impacting several wheel blades 19, drives water turbine casing 8 to rotate using the impact force of water flow, and then drive and connect
Bar 12, driven wheel 9, crisscross fixer 10 rotate coaxially, final that flabellum 11 is driven to rotate, and the water flow after impact is flowed from water outlet 20
Out, when the revolving speed of flabellum 11 reaches required revolving speed, motor 13 is closed, and the power of flabellum 11 is all mentioned by the impact force of water flow
For；When the revolving speed of flabellum 11 not up to required revolving speed, motor 13 starts, and drives driving wheel 14 to rotate by motor 13, and then band
Dynamic driven wheel 9, connecting rod 12, crisscross fixer 10 rotate coaxially, final that flabellum 11 is driven to rotate；Water flow is by the second water inlet simultaneously
Mouth 32 enters several water pipes 301, and sprays from several atomizers 302.
The configuration of the present invention is simple, novelty, air circulation effect is good, good cooling results, and there is electrical energy drive and water energy to drive
Two kinds of driving methods are moved, driving method is flexibly practical, can economy, easily reduction energy consumption ratio.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. mix-driving and energy-saving type ability of swimming evaporative condenser blower characterized by comprising bracket, machine frame, the bracket are fixed
Middle part on the inside of the machine frame, the centre of the bracket are installed with bearing plate, and shunting pressurization axis is installed on the bearing plate,
It is successively arranged first bearing, second bearing, 3rd bearing, fourth bearing, the shunting from the bottom to top on the shunting pressurization axis
The bottom end for being pressurized axis is equipped with water turbine casing, the fixed company of the outer shaft of the bottom end of the water turbine casing and the first bearing
It connects, the top of the water turbine casing is fixedly connected with the outer shaft of the second bearing, if being equipped in the water turbine casing
Dry wheel blade, the bottom of the water turbine casing are equipped with several water outlets, are installed with driven wheel on the outer shaft of the 3rd bearing,
It is installed with crisscross fixer on the outer shaft of the fourth bearing, is installed with flabellum on the free end of the crisscross fixer,
The bottom of the crisscross fixer is installed with several connecting rods, and driven wheel is run through in the bottom end of several connecting rods, and with institute
It states and is fixedly connected at the top of water turbine casing；
One end of the bracket is installed with motor, is installed with driving wheel on the output shaft of the motor, the driving wheel with it is described
Driven wheel is connected by belt, and frame is additionally provided on the bracket, and the top for shunting pressurization axis and the top of the frame are solid
Fixed connection；
The bottom end of the machine frame is installed with several bearing bars, and the bottom end of several bearing bars is fixedly connected with water storage tank, described
The centre of water storage tank is installed with pedestal, and the top of the pedestal is installed with 5th bearing, is installed with spiral in the 5th bearing
Axis, the top of the helical axis are installed with 6th bearing, and the 6th bearing is fixedly arranged on the bottom of the bracket；It is held described in several
It is equipped with erection slot at the top of weight bar, is provided with atomizing spray group on the erection slot.
2. mix-driving and energy-saving type ability of swimming evaporative condenser blower according to claim 1, which is characterized in that the bearing plate
With the bracket by being welded and fixed.
3. mix-driving and energy-saving type ability of swimming evaporative condenser blower according to claim 1, which is characterized in that the bearing plate
It is to be threadedly coupled with shunting pressurization axis.
4. mix-driving and energy-saving type ability of swimming evaporative condenser blower according to claim 1, which is characterized in that the shunting increases
The bottom of last item is equipped with the first water inlet, is additionally provided with the shunting shaft shoulder on the shunting pressurization axis, the shunting shaft shoulder is located at described
Between first bearing and the second bearing, the shunting shaft shoulder is equipped with several shunting water jets, several shunting water sprays
Mouth is connected to first water inlet, and several total flows for shunting water jets are less than the flow of first water inlet.
5. mix-driving and energy-saving type ability of swimming evaporative condenser blower according to claim 1, which is characterized in that the hydraulic turbine
Casing takes a point shell type structure, is fixed by screw, and is equipped with waterproof coating in interface, or be equipped with waterproof measure.
6. mix-driving and energy-saving type ability of swimming evaporative condenser blower according to claim 1, which is characterized in that the cross is solid
Determining the free end of frame with the flabellum is to be threadedly coupled.
7. mix-driving and energy-saving type ability of swimming evaporative condenser blower according to claim 1, which is characterized in that the shunting increases
The top of last item and the top of the frame are fixed by screw.
8. mix-driving and energy-saving type ability of swimming evaporative condenser blower according to claim 1, which is characterized in that the motor with
The bracket is fixed by screw.
9. mix-driving and energy-saving type ability of swimming evaporative condenser blower according to claim 1, which is characterized in that the connecting rod
It is four.
10. mix-driving and energy-saving type ability of swimming evaporative condenser blower according to claim 1, which is characterized in that the atomization
Water spray group includes several interconnected water pipes and several atomizers, and several atomizers are set to several water pipes
On, the interconnected place of several water pipes is located among the atomizing spray group, and the connectivity part is equipped with through-hole, the spiral shell again
Through-hole is run through in the bottom end of spin axis, has the free end of a water pipe to be equipped with the second water inlet, the second water inlet in several water pipes
Mouth is circumscribed with water source, the equal sealed set in the free end of other water pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519228.6A CN109441850A (en) | 2018-12-12 | 2018-12-12 | Mix-driving and energy-saving type ability of swimming evaporative condenser blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519228.6A CN109441850A (en) | 2018-12-12 | 2018-12-12 | Mix-driving and energy-saving type ability of swimming evaporative condenser blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109441850A true CN109441850A (en) | 2019-03-08 |
Family
ID=65557020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811519228.6A Withdrawn CN109441850A (en) | 2018-12-12 | 2018-12-12 | Mix-driving and energy-saving type ability of swimming evaporative condenser blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109441850A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479723A (en) * | 2019-08-20 | 2019-11-22 | 保利新联爆破工程集团有限公司 | A kind of explosion dust exhaust apparatus with negative-pressure pipeline |
| CN110839510A (en) * | 2019-11-22 | 2020-02-28 | 深圳市美邦环保科技有限公司 | Energy-concerving and environment-protective type irrigation equipment with regulatory function |
| CN114658081A (en) * | 2021-11-08 | 2022-06-24 | 郑州大学 | Modularized pipeline detection and repair equipment |
-
2018
- 2018-12-12 CN CN201811519228.6A patent/CN109441850A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479723A (en) * | 2019-08-20 | 2019-11-22 | 保利新联爆破工程集团有限公司 | A kind of explosion dust exhaust apparatus with negative-pressure pipeline |
| CN110839510A (en) * | 2019-11-22 | 2020-02-28 | 深圳市美邦环保科技有限公司 | Energy-concerving and environment-protective type irrigation equipment with regulatory function |
| CN114658081A (en) * | 2021-11-08 | 2022-06-24 | 郑州大学 | Modularized pipeline detection and repair equipment |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190308 |
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| WW01 | Invention patent application withdrawn after publication |