CN106316460A - Device of variable flow velocity nozzle for electric power construction watering cart and working method thereof - Google Patents
Device of variable flow velocity nozzle for electric power construction watering cart and working method thereof Download PDFInfo
- Publication number
- CN106316460A CN106316460A CN201610619470.5A CN201610619470A CN106316460A CN 106316460 A CN106316460 A CN 106316460A CN 201610619470 A CN201610619470 A CN 201610619470A CN 106316460 A CN106316460 A CN 106316460A
- Authority
- CN
- China
- Prior art keywords
- water
- switch
- bwv
- return pipe
- valve
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
- C04B40/0277—Hardening promoted by using additional water, e.g. by spraying water on the green concrete element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention relates to a device of a variable flow velocity nozzle for an electric power construction watering cart. The device comprises a water tank body (2), a water tube solenoid valve (3), a water pump (4), a first back-water valve solenoid valve switch (5), a back-water valve solenoid valve switch (6), a sprinkler nozzle (7), a third back-water valve solenoid valve switch (8), an electric control unit (9), a low-grade flow velocity switch (10), a middle-grade flow velocity switch (11), a high-grade flow velocity switch (12), a third decompression water return pipe (13), a second decompression water return pipe (14), a first decompression water return pipe (15), a water pump inlet tube (16), a main water conduit (17), a first water return pipe secondary path (18), a second water return pipe secondary path (19) and a third water return pipe secondary path (20). The working method of the device of variable flow velocity nozzle for the electric power construction watering cart can flexibly control amount of water sprinkling and effectively save water consumption, and the device has simple structure and low cost.
Description
Technical field
The present invention relates to the device of a kind of watering, particularly relate to the device of power construction sprinkling truck variable flow rate nozzle.
Background technology
Along with economic fast development, the demand of electric power is got more and more by all trades and professions, and the capital construction of power system is also
Accelerating, meet each city, each area is to electricity needs；And capital construction facility uses substantial amounts of concrete.Actual concrete seven
It intensity is 58%, within 14 days, reaches 79%, within 28 days, reaches 100%；After casting and compacting of concrete, why can gradually condense hardening, main
If because the result of cement aquation, the effect of watering is to reduce the heat of hydration, reduces crack.Cement aquation belongs to be put
Thermal response, produces the substantial amounts of heat of hydration, and concrete is uneven at heat or easily produces crack, especially under the conditions of high-temperature expansion
Surface crack.Watering cooling can effectively reduce the long-living width in crack, maintains the microcrack requirement in specification.Advise according to specification
Fixed, under room temperature after concreting in 12 hours, it is necessary to covering and heat insulating maintenance, ordinary cement is no less than 7 days, if ignored mixed
The water seasoning of solidifying soil, on the one hand can reduce concrete strength, and concrete on the other hand can be made to have little time to mend in hardening process
Water-filling divides, thus a large amount of hydropenia and produce crack.So carrying out the water seasoning of concrete, splitting of temperature generation both can be reduced
Seam, it is possible to reduce concrete shrinkage and the crack that produces.Watering is one of method of natural curing concrete, needs watering
Flow is controlled, and meeting concrete to the demand of water when, saves water resource as far as possible, makes full use of water resource, especially
The place being the absence of water source carries out power system capital construction facility, needs reasonably to utilize water resource.Therefore, power construction sprinkling truck
The device carrying out variable flow rate nozzle has great significance.
Summary of the invention
For overcoming technical problem present in prior art, the present invention provides the variable flow rate spray of a kind of power construction sprinkling truck
Mouth apparatus and method.
The advantage of the present invention, to the watering cooling of power system capital construction facility concrete, is meeting the condition of engine request
Under, implement the current of corresponding flow velocity, make full use of water resource, it is achieved be energy-conservation.
The technical scheme is that and provide a kind of device reducing inlet and exhaust valve temperature, including: moisturizing hole and pressure release
Valve, water tank, water solenoid valve switchs, water pump, the first back-water valve (BWV) electromagnetic valve switch, the second back-water valve (BWV) electromagnetic valve switch, watering spray
Mouth, the 3rd back-water valve (BWV) electromagnetic valve switch, electronic control unit, low-grade flow rate switch, middle-grade flow rate switch, high-grade flow rate switch,
3rd pressure release return pipe, the second pressure release return pipe, the first pressure release return pipe, pump water inlet, main water pipeline, the first return pipe props up
Road, the second return pipe branch road, the 3rd return pipe branch road；It is characterized in that:
Pump water inlet is connected by pipeline with water tank, and pump water inlet is fixedly connected by welding with water tank ancient piece of jade, round, flat and with a hole in its centre face, water
It is direct with water tank that pipe electromagnetic valve switch is arranged on water pump, the break-make of water solenoid valve on-off control pump water inlet；Water pump passes through
Main water pipeline is connected with water solenoid valve switch, and main water pipeline is connected by pipeline with Water spray nozzle；Main water pipeline is divided into first
Return pipe branch road, the second return pipe branch road, the 3rd return pipe branch road；First back-water valve (BWV) electromagnetic valve switch is by pipeline and first time
Water pipe branch road connects；Second back-water valve (BWV) electromagnetic valve switch is connected by pipeline and the second return pipe branch road；3rd back-water valve (BWV) electromagnetism
Threshold switch is connected by pipeline and the 3rd return pipe branch road；3rd pressure release return pipe and the 3rd back-water valve (BWV) electromagnetic valve switch are by pipe
Road connects, and water is come back to water tank；Second pressure release return pipe and the second back-water valve (BWV) electromagnetic valve switch are connected by pipeline, by water
Come back to water tank；First pressure release return pipe and the first back-water valve (BWV) electromagnetic valve switch are connected by pipeline, and water is come back to water
Case.
Water solenoid valve switchs, water pump, the first back-water valve (BWV) electromagnetic valve switch, the second back-water valve (BWV) electromagnetic valve switch, the 3rd time
Water valve electromagnetic valve switch, shelves flow rate switch, middle-grade flow rate switch, high-grade flow rate switch is connected with electronic control unit, electronics control
Unit processed monitors a grade flow rate switch, middle-grade flow rate switch, the signal of high-grade flow rate switch in real time, thus controls the first back-water valve (BWV) electricity
Magnet valve switchs, the second back-water valve (BWV) electromagnetic valve switch, the break-make of the 3rd back-water valve (BWV) electromagnetic valve switch.
The invention provides the method for work of a kind of power construction sprinkling truck variable flow rate spray nozzle device, it is characterised in that:
When electronic control unit real-time monitors as low-grade flow rate switch, and electronic control unit controls the first back-water valve (BWV) electromagnetism
Threshold switch, the second back-water valve (BWV) electromagnetic valve switch, the 3rd back-water valve (BWV) electromagnetic valve switch are opened, and a part of water of main water pipeline passes through the 3rd
Pressure release return pipe, the second pressure release return pipe, the first pressure release return pipe returns to water tank, thus pressure in water main is carried out pressure release,
It is now maximum pressure release value, thus the flow velocity of Water spray nozzle is low flow velocity；
When electronic control unit real-time monitors as middle-grade flow rate switch, and electronic control unit controls the first back-water valve (BWV) electromagnetism
Threshold switch, the second back-water valve (BWV) electromagnetic valve switch are opened, and the 3rd back-water valve (BWV) electromagnetic valve switch is closed, and a part of water of main water pipeline passes through
Second pressure release return pipe, the first pressure release return pipe returns to water tank, thus (middle pressure carries out pressure release, releases a part to water main
Pressure, is now medium pressure release value, thus the flow velocity of Water spray nozzle is middle flow velocity；
When electronic control unit real-time monitors as high-grade flow rate switch, and electronic control unit controls the first back-water valve (BWV) electromagnetism
Threshold switch, the second back-water valve (BWV) electromagnetic valve switch, the 3rd back-water valve (BWV) electromagnetic valve switch closedown, the water of main water pipeline all flows to watering
Nozzle, now maximum pressure value in main pipeline, thus the flow velocity of Water spray nozzle is high flow rate
The method have the advantage is capable of and control watering amount flexibly, the effectively save water consumption of energy, this apparatus structure letter
Single, low cost.
Accompanying drawing explanation
Fig. 1 is that a kind of power construction sprinkling truck variable flow rate spray nozzle device is always schemed；
Wherein: 1-moisturizing hole and relief valve, 2-water tank, 3-water solenoid valve switchs, 4-water pump, 5-the first back-water valve (BWV) electromagnetism
Threshold switch, 6-the second back-water valve (BWV) electromagnetic valve switch, 7-Water spray nozzle, 8-the 3rd back-water valve (BWV) electromagnetic valve switch, 9-Electronic Control list
Unit, 10-low grade flow rate switch, the middle-grade flow rate switch of 11-, 12-top grade flow rate switch, 13-the 3rd pressure release return pipe, 14-second
Pressure release return pipe, 15-the first pressure release return pipe, 16-pump water inlet, 17-main water pipeline, 18-the first return pipe branch road, 19-
Second return pipe branch road, 20-the 3rd return pipe branch road.
Concrete operations mode
Below with reference to accompanying drawing 1, technical scheme is described in detail.
As it is shown in figure 1, a kind of power construction sprinkling truck variable flow rate spray nozzle device, including: moisturizing hole and relief valve 1, water
Case 2, water solenoid valve switch 3, water pump 4, the first back-water valve (BWV) electromagnetic valve switch 5, the second back-water valve (BWV) electromagnetic valve switch 6, watering spray
Mouth 7, the 3rd back-water valve (BWV) electromagnetic valve switch 8, electronic control unit 9, low-grade flow rate switch 10, middle-grade flow rate switch 11, high-grade stream
Speed switch 12, the 3rd pressure release return pipe 13, the second pressure release return pipe 14, the first pressure release return pipe 15, pump water inlet 16, main water
Pipeline 17, the first return pipe branch road 18, the second return pipe branch road 19, the 3rd return pipe branch road 20；
Moisturizing hole and relief valve 1 are for adding water in water tank, and moisturizing hole and relief valve 1 silica gel lid are closed.Water feeding of water pump
Pipe 16 is connected by pipeline with water tank 2, and pump water inlet 16 is fixedly connected by welding with water tank 2 ancient piece of jade, round, flat and with a hole in its centre face, and water solenoid valve is opened
Close 3 and be arranged on water pump 4, between water tank 2, the break-make of water solenoid valve switch 3 control pump water inlet 16；Water pump 4 is by main water
Pipeline 17 is connected with water solenoid valve switch 3, and main water pipeline 17 is connected by pipeline with Water spray nozzle 7；Main water pipeline 17 is divided into
First return pipe branch road 18, the second return pipe branch road 19, the 3rd return pipe branch road 20；First back-water valve (BWV) electromagnetic valve switch 5 passes through
Pipeline and the first return pipe branch road 18 connect；Second back-water valve (BWV) electromagnetic valve switch 6 is connected by pipeline and the second return pipe branch road 19
Connect；3rd back-water valve (BWV) electromagnetic valve switch 8 is connected by pipeline and the 3rd return pipe branch road 20；3rd pressure release return pipe 13 and the 3rd
Back-water valve (BWV) electromagnetic valve switch 8 is connected by pipeline, and water is come back to water tank；Second pressure release return pipe 14 and the second back-water valve (BWV) electricity
Magnet valve switch 6 is connected by pipeline, and water is come back to water tank；First pressure release return pipe 15 and the first back-water valve (BWV) electromagnetic valve switch
5 are connected by pipeline, and water is come back to water tank.
Water solenoid valve switch 3, water pump 4, the first back-water valve (BWV) electromagnetic valve switch 5, the second back-water valve (BWV) electromagnetic valve switch 6, the
The low-grade flow rate switch of three back-water valve (BWV) electromagnetic valve switch 7,10,11 middle-grade flow rate switch, 12 high-grade flow rate switch and Electronic Control list
Unit 9 connects, and electronic control unit 9 monitors low-grade flow rate switch 10, middle-grade flow rate switch 11, the letter of high-grade flow rate switch 12 in real time
Number, thus control the first back-water valve (BWV) electromagnetic valve switch 5, the second back-water valve (BWV) electromagnetic valve switch 6, the 3rd back-water valve (BWV) electromagnetic valve switch
Break-make 7, thus control the pressure in main water pipeline 17, thus control the flow velocity of Water spray nozzle 7.
When electronic control unit 9 real-time monitors as low-grade flow rate switch 10, and electronic control unit 9 controls the first back-water valve (BWV)
Electromagnetic valve switch the 5, second back-water valve (BWV) electromagnetic valve switch the 6, the 3rd back-water valve (BWV) electromagnetic valve switch 7 is opened, main water pipeline 17 part
Water passes through the 3rd pressure release return pipe 13, the second pressure release return pipe 14, and the first pressure release return pipe 15 returns to water tank 2, thus to main water
In pipe 17, pressure carries out pressure release, is now maximum pressure release value, thus the flow velocity of Water spray nozzle 7 is low flow velocity.
When electronic control unit 9 real-time monitors as middle-grade flow rate switch 11, and electronic control unit 9 controls the first back-water valve (BWV)
Electromagnetic valve switch the 5, second back-water valve (BWV) electromagnetic valve switch 6 is opened, and the 3rd back-water valve (BWV) electromagnetic valve switch 7 is closed, main water pipeline 17 1
Part water passes through the second pressure release return pipe 14, and the first pressure release return pipe 15 returns to water tank 2, thus carries out pressure in water main 17
Pressure release, releases a part of pressure, is now medium pressure release value, thus the flow velocity of Water spray nozzle 7 is middle flow velocity.
When electronic control unit 9 real-time monitors as high-grade flow rate switch 12, and electronic control unit 9 controls the first back-water valve (BWV)
Electromagnetic valve switch 5, the second back-water valve (BWV) electromagnetic valve switch the 6, the 3rd back-water valve (BWV) electromagnetic valve switch 7 closes, and the water of main water pipeline 17 is complete
Portion flows to Water spray nozzle, now maximum pressure value in main pipeline 17, thus the flow velocity of Water spray nozzle 7 is high flow rate.
Although the present invention being described in detail already in connection with embodiment, but skilled artisan would appreciate that
Ground is that the present invention is not limited only to specific embodiment, on the contrary, without departing from the application spirit and the various corrections of essence, becomes
Shape and replacement all fall among the protection domain of the application.
Claims (2)
1. a power construction sprinkling truck variable flow rate spray nozzle device, including: moisturizing hole and relief valve (1), water tank (2), water pipe
Electromagnetic valve switch (3), water pump (4), the first back-water valve (BWV) electromagnetic valve switch (5), the second back-water valve (BWV) electromagnetic valve switch (6), watering spray
Mouth (7), the 3rd back-water valve (BWV) electromagnetic valve switch (8), electronic control unit (9), low-grade flow rate switch (10), middle-grade flow rate switch
(11), high-grade flow rate switch (12), the 3rd pressure release return pipe (13), the second pressure release return pipe (14), the first pressure release return pipe
(15), pump water inlet (16), main water pipeline (17), the first return pipe branch road (18), the second return pipe branch road (19), the 3rd time
Water pipe branch road (20)；It is characterized in that: it is characterized in that:
Moisturizing hole and relief valve (1) are for adding water in water tank, and moisturizing hole and relief valve (1) silica gel lid are closed；Water feeding of water pump
Pipe (16) is connected by pipeline with water tank (2), and pump water inlet (16) is fixedly connected by welding with water tank (2) ancient piece of jade, round, flat and with a hole in its centre face, water pipe
Electromagnetic valve switch (3) is arranged on water pump (4), and between water tank (2), water solenoid valve switch (3) controls pump water inlet (16)
Break-make；Water pump (4) is connected with water solenoid valve switch (3) by main water pipeline (17), main water pipeline (17) and Water spray nozzle (7)
Connected by pipeline；Main water pipeline (17) is divided into the first return pipe branch road (18), the second return pipe branch road (19), the 3rd return pipe
Branch road (20)；First back-water valve (BWV) electromagnetic valve switch (5) is connected by pipeline and the first return pipe branch road (18)；Second back-water valve (BWV) electricity
Magnet valve switch (6) is connected by pipeline and the second return pipe branch road (19)；3rd back-water valve (BWV) electromagnetic valve switch (8) by pipeline with
3rd return pipe branch road (20) connects；3rd pressure release return pipe (13) is with the 3rd back-water valve (BWV) electromagnetic valve switch (8) by pipeline even
Connect, water is come back to water tank；Second pressure release return pipe (14) is connected by pipeline with the second back-water valve (BWV) electromagnetic valve switch (6),
Water is come back to water tank；First pressure release return pipe (15) is connected by pipeline, by water with the first back-water valve (BWV) electromagnetic valve switch (5)
Come back to water tank；
Water solenoid valve switch (3), water pump (4), the first back-water valve (BWV) electromagnetic valve switch (5), the second back-water valve (BWV) electromagnetic valve switch
(6), the 3rd back-water valve (BWV) electromagnetic valve switch (7), low-grade flow rate switch (10), middle-grade flow rate switch (11), high-grade flow rate switch
(12) be connected with electronic control unit (9), electronic control unit (9) respectively with low-grade flow rate switch (10), middle-grade flow rate switch
(11), high-grade flow rate switch (12) is connected, thus controls the first back-water valve (BWV) electromagnetic valve switch (5), and the second back-water valve (BWV) electromagnetic valve is opened
Close (6), the break-make (7) of the 3rd back-water valve (BWV) electromagnetic valve switch.
The method of work of power construction sprinkling truck the most according to claim 1 variable flow rate spray nozzle device, it is characterised in that:
It is characterized in that: when electronic control unit (9) real-time monitors as low-grade flow rate switch (10), electronic control unit (9) control
First back-water valve (BWV) electromagnetic valve switch (5), the second back-water valve (BWV) electromagnetic valve switch (6), the 3rd back-water valve (BWV) electromagnetic valve switch (7) are opened,
Main water pipeline (17) a part of water passes through the 3rd pressure release return pipe (13), the second pressure release return pipe (14), the first pressure release return pipe
(15) return to water tank (2), thus pressure in water main (17) is carried out pressure release, be now maximum pressure release value, thus Water spray nozzle
(7) flow velocity is low flow velocity；
When electronic control unit (9) real-time monitors as middle-grade flow rate switch (11), and electronic control unit (9) controls the first backwater
Valve electromagnetic valve switch (5), the second back-water valve (BWV) electromagnetic valve switch (6) are opened, and the 3rd back-water valve (BWV) electromagnetic valve switch (7) is closed, main water
Pipeline (17) a part of water passes through the second pressure release return pipe (14), and the first pressure release return pipe (15) returns to water tank (2), thus to master
In water pipe (17), pressure carries out pressure release, releases a part of pressure, is now medium pressure release value, thus the flow velocity of Water spray nozzle (7)
For middle flow velocity；
When electronic control unit (9) real-time monitors as high-grade flow rate switch (12), and electronic control unit (9) controls the first backwater
Valve electromagnetic valve switch (5), the second back-water valve (BWV) electromagnetic valve switch (6), the 3rd back-water valve (BWV) electromagnetic valve switch (7) closedown, main water pipeline
(17) water all flows to Water spray nozzle, now maximum pressure value in main pipeline (17), thus the flow velocity of Water spray nozzle (7) is high
Flow velocity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619470.5A CN106316460B (en) | 2016-08-01 | 2016-08-01 | A kind of device and its working method of power construction sprinkling truck variable flow rate nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619470.5A CN106316460B (en) | 2016-08-01 | 2016-08-01 | A kind of device and its working method of power construction sprinkling truck variable flow rate nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106316460A true CN106316460A (en) | 2017-01-11 |
| CN106316460B CN106316460B (en) | 2019-01-04 |
Family
ID=57739724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610619470.5A Active CN106316460B (en) | 2016-08-01 | 2016-08-01 | A kind of device and its working method of power construction sprinkling truck variable flow rate nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106316460B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109608231A (en) * | 2018-11-22 | 2019-04-12 | 中耕耘成建筑科技(江苏)有限公司 | A kind of dedicated curing means of the concrete production of green energy conservation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201358429Y (en) * | 2008-08-27 | 2009-12-09 | 徐州工程机械科技股份有限公司 | Road roller intermittent watering control system |
| CN202280012U (en) * | 2011-10-31 | 2012-06-20 | 中联重科股份有限公司 | Water sprinkling system and road roller with same |
| CN102505619A (en) * | 2011-11-01 | 2012-06-20 | 徐州万邦道路工程装备服务股份公司 | Automatic sprinkling device of tire roller |
| CN205926101U (en) * | 2016-08-01 | 2017-02-08 | 国网山西省电力公司大同供电公司 | Device of variable velocity of flow nozzle in electric power construction watering lorry |
-
2016
- 2016-08-01 CN CN201610619470.5A patent/CN106316460B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201358429Y (en) * | 2008-08-27 | 2009-12-09 | 徐州工程机械科技股份有限公司 | Road roller intermittent watering control system |
| CN202280012U (en) * | 2011-10-31 | 2012-06-20 | 中联重科股份有限公司 | Water sprinkling system and road roller with same |
| CN102505619A (en) * | 2011-11-01 | 2012-06-20 | 徐州万邦道路工程装备服务股份公司 | Automatic sprinkling device of tire roller |
| CN205926101U (en) * | 2016-08-01 | 2017-02-08 | 国网山西省电力公司大同供电公司 | Device of variable velocity of flow nozzle in electric power construction watering lorry |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109608231A (en) * | 2018-11-22 | 2019-04-12 | 中耕耘成建筑科技(江苏)有限公司 | A kind of dedicated curing means of the concrete production of green energy conservation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106316460B (en) | 2019-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203197017U (en) | Water supply and water return system of bar water-cooling device | |
| CN106316460A (en) | Device of variable flow velocity nozzle for electric power construction watering cart and working method thereof | |
| CN205926101U (en) | Device of variable velocity of flow nozzle in electric power construction watering lorry | |
| CN213020379U (en) | Multifunctional geothermal recharge wellhead device | |
| CN204718441U (en) | A kind of circulatory system utilizing fume afterheat heated wash pond | |
| CN103233494B (en) | A kind of energy-saving control system, excavator and method | |
| CN103422539B (en) | Secondary water supply booster pump station energy saving method based on network large closed loop control system | |
| CN201198580Y (en) | Multiple-zone series frequency conversion water supply energy-saving system | |
| CN204163129U (en) | Excavator swing arm hydraulic cylinder flow regenerative system | |
| CN103394427B (en) | A kind of spray equipment of magnesium phosphate protective materials and spraying method | |
| CN205298775U (en) | Ware is opened and close to valve | |
| CN204503421U (en) | A kind of boiler water wall special coating machine | |
| CN211952970U (en) | Water heating system based on boiler flue gas heat recovery | |
| CN204005254U (en) | A kind of novel lime slurry pipe controller | |
| CN203989626U (en) | Electrical bar heating and anti-freezing system | |
| CN204095109U (en) | Large-scale PPR pipe continous way cooling structure | |
| CN203656462U (en) | Pipeline heat tracing system using heating hot water | |
| CN203629424U (en) | Device for increasing cooling circulating water temperature difference | |
| CN204787852U (en) | Horizontal electron -beam furnace waterway system of modified | |
| CN208458310U (en) | A kind of heat source tower heat pump system of energy automatic concentration liquid | |
| CN204051098U (en) | Sand discharge settling pit is contained at a kind of end controlled by the drowning pipe that can rise and fall | |
| CN204942860U (en) | A kind of recirculated cooling water inlet and outlet pipe lines | |
| CN204198779U (en) | Converter boiler water-cooling sliding chute | |
| CN203960258U (en) | A kind of gas-fired bogie furnace system | |
| CN204151749U (en) | For the water pipe cooling structure of hydraulic tunnel lining concrete |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |