CN109647810A - A kind of compressed gas blow device and spray system - Google Patents
A kind of compressed gas blow device and spray system Download PDFInfo
- Publication number
- CN109647810A CN109647810A CN201811627097.3A CN201811627097A CN109647810A CN 109647810 A CN109647810 A CN 109647810A CN 201811627097 A CN201811627097 A CN 201811627097A CN 109647810 A CN109647810 A CN 109647810A
- Authority
- CN
- China
- Prior art keywords
- purging
- bye
- pass
- cooling water
- secondary cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0325—Control mechanisms therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
The present invention provides a kind of compressed gas blow device and spray system, is used for secondary cooling water spray system, and described device includes: supply air line and purging main pipeline, is connected between the purging main pipeline and the supply air line by connecting pipe；Turbine switch are equipped with close to one end of supply air line in the connecting pipe；One end in the connecting pipe close to purging main pipeline is equipped with electrically operated valve；The purging main line is connected to purging bye-pass, and the purging bye-pass is equipped with ball valve；The purging bye-pass is connected to the spray branch of secondary cooling water spray system.
Description
Technical field
The invention belongs to technical field of metallurgical machinery, and in particular to a kind of compressed gas blow device and spray system.
Background technique
In conticaster production technology, the cooling slab of secondary cooling water is an extremely important procedure.Slab is entered by crystallizer
Behind two cold houses, slab four sides needs continual water-spraying control, until could form qualified casting after slab goes out two cold houses
Base.When conticaster process maintenance or maintenance of equipment, need to close secondary cooling water spray system, since secondary cooling water spray system structure is multiple
It is miscellaneous, a large amount of secondary cooling water can be remained in pipe-line system at this time, can not be discharged in time, the time is long, it is easy to appear following problems:
It in the two remaining secondary cooling waters of cold house's inner part, evaporates at high temperature, long duration of action generates scale, easily blocking spray head, influences to cast
Base cooling effect and quality；When temperature is lower than 0 DEG C hereinafter, the remaining easy ice blockage pipeline of water in pipeline, cause entire two cold
Water sprinkler system paralysis is unable to run or valve pipe rupture, influences normally to produce.After secondary cooling water is shut down, most of two is cold
Water, which all remains in main pipeline and lateral, to be removed, and can only remain in former pipeline.When winter when pipeline freeze when by
A pipeline steam spray makes its thawing, or pipeline is roasting with fire one by one, and time-consuming and laborious, working efficiency is low.
Based on the above issues, there has been proposed a kind of air purge sets, pass through the spray branch in secondary cooling water spray system
Road is connected to a hose, then from hose to spray branch ventilation, and then drives remaining secondary cooling water out of.
But existing residual secondary cooling water sweep-out method needs one by one to handle spray branch, working efficiency
It is low, and the air pressure of compressed gas is unable to control, the residual secondary cooling water at dead angle can not be removed, the elimination effect of secondary cooling water not ten
Sub-argument is thought.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of compressed gas blow device and spray system, on solving
State technical problem.
The embodiment of the present application provides a kind of compressed gas blow device, is used for secondary cooling water spray system, and described device includes:
Supply air line and purging main pipeline, are connected between the purging main pipeline and the supply air line by connecting pipe；The company
Turbine switch are equipped with close to one end of supply air line on adapter tube road；One end in the connecting pipe close to purging main pipeline is equipped with
Electrically operated valve；The purging main line is connected to purging bye-pass, and the purging bye-pass is equipped with ball valve；The purging branch pipe
Road is connected to the spray branch of secondary cooling water spray system.
In a kind of embodiment of the application, set the air pressure of the blow device to using turbine switch
0.6MPa。
In a kind of embodiment of the application, the quantity of bye-pass and the spray circuitry number of secondary cooling water spray system are purged
It measures identical.
In a kind of embodiment of the application, the purging bye-pass both ends are leaned at proximal port is equipped with ball valve respectively, and two
Pipeline between a ball valve is hose.
In a kind of embodiment of the application, the spray branch road is equipped with triple valve, the purging bye-pass connection
The one end for spraying branch is equipped with interconnecting part, and the interconnecting part includes dead ring and rotary nozzle, the dead ring and rotary nozzle
It is connected to by hose；Being equipped in the rotary nozzle can be according to the blade of flow rotation.
In a kind of embodiment of the application, the purging bye-pass is connected to by triple valve with purging main line.
In a kind of embodiment of the application, the quantity of the connecting line of described device purges branch pipe number according to maximum
Amount setting.
In a kind of embodiment of the application, the connecting line quantity and the maximum purging bye-pass ratio of number
For 2:5.
In a kind of embodiment of the application, the gas of the blow device uses nitrogen.
The embodiment of the present application also provides a kind of secondary cooling water spray system, including more spray branches, the system also includes
Compressed gas blow device described in any of the above-described kind of embodiment.
The beneficial effects of the present invention are,
Compressed gas blow device provided by the invention and spray system, by the way that the purging branch being connected to spray piping is arranged
Pipeline is realized more spray piping synchronization process, is improved work efficiency.It is opened simultaneously by the way that turbine is arranged in connecting pipe
It closes, realizes the control to the air pressure in blow device, by the size according to the structural adjustment air pressure for spraying branch, enhance
The cleaning effect of blow device avoids the dead angle residual of secondary cooling water.
In addition, design principle of the present invention is reliable, structure is simple, has very extensive application prospect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the device of the application one embodiment；
Fig. 2 is the structural schematic diagram of the interconnecting piece of the purging bye-pass of the device of the application one embodiment；
Wherein, 1, compressed gas blow device；2, secondary cooling water spray system；101, supply air line；102, be vortexed switch；
103, electrically operated valve；104, main line is purged；105, bye-pass is purged；106, ball valve；107, branch is sprayed；108, flowmeter；
109, triple valve；1051, dead ring；1052, rotary nozzle；1053 connection hoses.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
As shown in Figure 1, the embodiment of the present application provides a kind of compressed gas blow device, it to be used for secondary cooling water spray system, institute
Stating device includes: supply air line and purging main pipeline, passes through connecting pipe between the purging main pipeline and the supply air line
Connection；Turbine switch are equipped with close to one end of supply air line in the connecting pipe；Close to purging supervisor in the connecting pipe
The one end in road is equipped with electrically operated valve；The purging main line is connected to purging bye-pass, and the purging bye-pass is equipped with ball valve；
The purging bye-pass is connected to the spray branch of secondary cooling water spray system.
Optionally, it as the application one embodiment, is set the air pressure of the blow device to using turbine switch
0.6MPa。
Optionally, as the application one embodiment, the quantity of bye-pass and the spray branch of secondary cooling water spray system are purged
Number amount is identical.
Optionally, as the application one embodiment, the purging bye-pass both ends are equipped with ball valve at proximal port respectively,
Pipeline between two ball valves is hose.
Optionally, as the application one embodiment, the spray branch road is equipped with triple valve, and the purging bye-pass connects
One end of logical spray branch is equipped with interconnecting part, and the interconnecting part includes dead ring and rotary nozzle, the dead ring and rotation spray
Head is connected to by hose；Being equipped in the rotary nozzle can be according to the blade of flow rotation.
Optionally, as the application one embodiment, the purging bye-pass is connected to by triple valve with purging main line.
Optionally, as the application one embodiment, the quantity of the connecting line of described device purges branch pipe according to maximum
The setting of number amount.
Optionally, as the application one embodiment, the connecting line quantity and the maximum purging bye-pass quantity
The ratio between be 2:5.
Optionally, as the application one embodiment, the gas of the blow device uses nitrogen.
The application also provides a kind of secondary cooling water spray system, including more spray branches, and the system comprises institutes of the present invention
The compressed gas blow device stated.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
With reference to Fig. 1, the present embodiment provides a kind of compressed gas blow devices, comprising: supply air line 101 and purging main pipeline
104, it is connected between the purging main pipeline 104 and the supply air line 101 by connecting pipe；It is close in the connecting pipe
One end of supply air line is equipped with turbine switch 102, and turbine switch 102 are in normally open, make the air pressure 0.6MPa in device；
One end in the connecting pipe close to purging main pipeline is equipped with electrically operated valve 103；The purging main line 104 and purging branch pipe
Road 105 is connected to, and the purging bye-pass 105 is equipped with ball valve 106, and the setting of ball valve 106 is in 103 failure of electrically operated valve
Closing ball valve 104 can anti-non-return water；The purging bye-pass 105 and the spray branch 107 of secondary cooling water spray system pass through three
Port valve 109 is connected to.Wherein, the quantity for purging bye-pass 105 is identical as 107 quantity of spray branch of secondary cooling water spray system.And
The quantity of connecting line, connecting line quantity and the maximum in the present embodiment are set according to maximum purging 105 quantity of bye-pass
Purging 105 ratio of number of bye-pass is 2:5.
When heat is changed or is shut down, the water inlet system electric control valve for closing secondary cooling water spray system, left side are controlled by computer
Secondary cooling water spray system is shut down, and solenoid valve remains off at this time, in spray branch 107 including remaining at spray head in two cold houses
Part secondary cooling water.
Master control room operator opens the electric gate valve 103 of right side blow device by computation Interface Control, due to
Turbine switch 102 are in normally open, and the compressed air of supply air line 101 will be by turbine switch 102 via electronic at this time
Gate valve 103 and ball valve 106 are led directly at two cold house's nozzles, due to compressed gas high pressure, high flow rate, remain in spray branch 107
It is enough thoroughly quickly removed with two cold indoor part water energys.
Embodiment 2
With reference to Fig. 1 and Fig. 2, the present embodiment provides a kind of compressed gas blow devices, comprising: supply air line 101 and purging
Main pipeline 104 is connected between the purging main pipeline 104 and the supply air line 101 by connecting pipe；The connecting pipe
Upper one end close to supply air line is equipped with turbine switch 102, and turbine switch 102 are in normally open, make the air pressure in device
0.6MPa；One end in the connecting pipe close to purging main pipeline is equipped with electrically operated valve 103；The purging main line 104 with
It purges bye-pass 105 to be connected to, purging 105 both ends of bye-pass are leaned at proximal port is equipped with ball valve 106 respectively, between two ball valves 106
Pipeline be hose, the setting of ball valve 106 can anti-non-return water for closing ball valve 106 in 103 failure of electrically operated valve；It is described
Purging bye-pass 105 is connected to the spray branch 107 of secondary cooling water spray system by triple valve 109, the purging bye-pass 105
One end of connection spray branch 107 is equipped with interconnecting part, and the interconnecting part includes dead ring 1051 and rotary nozzle 1052, described tight
Gu ring 1051 is connected to rotary nozzle 1052 by hose；Being equipped in the rotary nozzle 1052 can be according to the leaf of flow rotation
Piece.Wherein, the quantity for purging bye-pass 105 is identical as 107 quantity of spray branch of secondary cooling water spray system.And it is blown according to maximum
The quantity of 105 quantity of bye-pass setting connecting line is swept, connecting line quantity and the maximum purging bye-pass in the present embodiment
105 ratio of number are 2:5.
When heat is changed or is shut down, the water inlet system electric control valve for closing secondary cooling water spray system, left side are controlled by computer
Secondary cooling water spray system is shut down, and solenoid valve remains off at this time, includes the portion remnants at spray head in two cold houses in spray branch
Divide secondary cooling water.
Master control room operator opens the electric gate valve 103 of right side blow device by computation Interface Control, due to
Turbine switch are in normally open, and the compressed air of supply air line 101 will be by turbine switch 102 via electric gate valve at this time
103 and ball valve 106 lead directly at two cold house's nozzles, due to compressed gas high pressure, high flow rate, remain in spray branch 107 and two
Cold indoor part water energy is enough thoroughly quickly to be removed.By purge the connection spray branch of bye-pass 105 in this present embodiment one
End is equipped with interconnecting piece, purges the rotary nozzle 1052 of bye-pass 105 towards water export direction in spray branch, by dead ring
After 1051 fix, compressed gas is exported to spray branch 107, and when passing through rotary nozzle 1052, blade is due to airflow function
Rotation makes the gas for entering spray branch 107 form vortex, the residual of jet flow branch tube wall is removed under the action of swirl gas
Water and other attachment materials.
Embodiment 3
With reference to Fig. 1 and Fig. 2, the present embodiment provides a kind of compressed gas blow devices, comprising: supply air line 101 and purging
Main pipeline 104 is connected between the purging main pipeline 104 and the supply air line 101 by connecting pipe.Supply air line 101
The nitrogen of interior gas.Turbine switch 102 are equipped with close to one end of supply air line in the connecting pipe, at turbine switch 102
In normally open, make the air pressure 0.6MPa in device；One end in the connecting pipe close to purging main pipeline is equipped with electronic
Valve 103；The purging main line 104 is connected to purging bye-pass 105, and purging 105 both ends of bye-pass are distinguished at proximal port
Equipped with ball valve 106, the pipeline between two ball valves 106 is hose, and the setting of ball valve 106 is in 103 failure of electrically operated valve
Closing ball valve 106 can anti-non-return water；The purging bye-pass 105 and the spray branch 107 of secondary cooling water spray system pass through three
Port valve 109 is connected to, and one end of the purging bye-pass 105 connection spray branch 107 is equipped with interconnecting part, and the interconnecting part includes tight
Gu ring 1051 and rotary nozzle 1052, the dead ring 1051 is connected to rotary nozzle 1052 by hose；The rotary nozzle
Being equipped in 1052 can be according to the blade of flow rotation.Wherein, the quantity of bye-pass 105 and the spray of secondary cooling water spray system are purged
107 quantity of branch is identical.And the quantity of connecting line is set according to maximum purging 105 quantity of bye-pass, it is connected in the present embodiment
Pipeline quantity and maximum purging 105 ratio of number of bye-pass are 2:5.
When heat is changed or is shut down, the water inlet system electric control valve for closing secondary cooling water spray system, left side are controlled by computer
Secondary cooling water spray system is shut down, and solenoid valve remains off at this time, includes the portion remnants at spray head in two cold houses in spray branch
Divide secondary cooling water.
Master control room operator opens the electric gate valve 103 of right side blow device by computation Interface Control, due to
Turbine switch are in normally open, and the compressed air of supply air line 101 will be by turbine switch 102 via electric gate valve at this time
103 and ball valve 106 lead directly at two cold house's nozzles, due to compressed gas high pressure, high flow rate, remain in spray branch 107 and two
Cold indoor part water energy is enough thoroughly quickly to be removed.By purge the connection spray branch of bye-pass 105 in this present embodiment one
End is equipped with interconnecting piece, purges the rotary nozzle 1052 of bye-pass 105 towards water export direction in spray branch, by dead ring
After 1051 fix, compressed gas is exported to spray branch 107, and when passing through rotary nozzle 1052, blade is due to airflow function
Rotation makes the gas for entering spray branch 107 form vortex, the residual of jet flow branch tube wall is removed under the action of swirl gas
Water and other attachment materials.Since the compressed gas that the present embodiment is selected is nitrogen, after the completion of cleaning, nitrogen partial is stayed
In the presence of on more closed spray branch 107, this section of perishable period before the moisture content evaporating completely in spray branch 107
Interior, nitrogen plays the role of etch-proof.
Although by reference to attached drawing and combining the mode of preferred embodiment to the present invention have been described in detail, the present invention
It is not limited to this.Without departing from the spirit and substance of the premise in the present invention, those of ordinary skill in the art can be to the present invention
Embodiment carry out various equivalent modifications or substitutions, and these modifications or substitutions all should in covering scope of the invention/appoint
What those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, answer
It is included within the scope of the present invention.Therefore, protection scope of the present invention is answered described is with scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of compressed gas blow device is used for secondary cooling water spray system, which is characterized in that described device includes: air supply pipe
Road and purging main pipeline, are connected between the purging main pipeline and the supply air line by connecting pipe；The connecting pipe
Upper one end close to supply air line is equipped with turbine switch；One end in the connecting pipe close to purging main pipeline is equipped with motor-driven valve
Door；The purging main line is connected to purging bye-pass, and the purging bye-pass is equipped with ball valve；The purging bye-pass and two
The spray branch of cold water spray system is connected to.
2. the apparatus according to claim 1, which is characterized in that the air pressure of the blow device is arranged using turbine switch
For 0.6MPa.
3. the apparatus according to claim 1, which is characterized in that purge the quantity of bye-pass and the spray of secondary cooling water spray system
It is identical to drench number of branches.
4. the apparatus according to claim 1, which is characterized in that the purging bye-pass both ends are equipped with respectively at proximal port
Ball valve, the pipeline between two ball valves are hose.
5. the apparatus according to claim 1, which is characterized in that the spray branch road is equipped with triple valve, the purging branch
One end that pipeline connection sprays branch is equipped with interconnecting part, and the interconnecting part includes dead ring and rotary nozzle, the dead ring with
Rotary nozzle is connected to by hose；Being equipped in the rotary nozzle can be according to the blade of flow rotation.
6. the apparatus according to claim 1, which is characterized in that the purging bye-pass passes through triple valve and purging main line
Connection.
7. the apparatus according to claim 1, which is characterized in that the quantity of the connecting line of described device is purged according to maximum
The setting of bye-pass quantity.
8. device according to claim 7, which is characterized in that the connecting line quantity and the maximum purging bye-pass
Ratio of number is 2:5.
9. the apparatus according to claim 1, which is characterized in that the gas of the blow device uses nitrogen.
10. a kind of secondary cooling water spray system, including more spray branches, which is characterized in that the system comprises claim 1-9
Described in any item compressed gas blow devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627097.3A CN109647810A (en) | 2018-12-28 | 2018-12-28 | A kind of compressed gas blow device and spray system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627097.3A CN109647810A (en) | 2018-12-28 | 2018-12-28 | A kind of compressed gas blow device and spray system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109647810A true CN109647810A (en) | 2019-04-19 |
Family
ID=66117709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811627097.3A Withdrawn CN109647810A (en) | 2018-12-28 | 2018-12-28 | A kind of compressed gas blow device and spray system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109647810A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774381A (en) * | 2020-03-18 | 2020-10-16 | 华电电力科学研究院有限公司 | Automatic purging device for coal-fired power plant hearth pressure switch sampling pipe and control method thereof |
| CN113981873A (en) * | 2020-07-27 | 2022-01-28 | 河南森源重工有限公司 | Washing and sweeping vehicle and drainage pipe cleaning method thereof |
-
2018
- 2018-12-28 CN CN201811627097.3A patent/CN109647810A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774381A (en) * | 2020-03-18 | 2020-10-16 | 华电电力科学研究院有限公司 | Automatic purging device for coal-fired power plant hearth pressure switch sampling pipe and control method thereof |
| CN111774381B (en) * | 2020-03-18 | 2023-12-05 | 华电电力科学研究院有限公司 | Automatic purging device for sampling tube of hearth pressure switch of coal-fired power plant and control method of automatic purging device |
| CN113981873A (en) * | 2020-07-27 | 2022-01-28 | 河南森源重工有限公司 | Washing and sweeping vehicle and drainage pipe cleaning method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109647810A (en) | A kind of compressed gas blow device and spray system | |
| CN208537203U (en) | Snowing device and environmental simulation room | |
| CN102886284A (en) | High-low-temperature normal-pressure heat cycle test device | |
| CN113680400A (en) | Liquid nitrogen evaporation refrigeration large-flow fresh air compensation system | |
| CN210409325U (en) | Fire-fighting spray device capable of preventing spray head from scaling | |
| WO2019015554A1 (en) | Heat exchange apparatus, and heat exchange method therefor and vapour deposition device thereof | |
| CN201309954Y (en) | Water spraying cooler capable of controlling water supply automatically | |
| CN204789278U (en) | Sleet testing equipment | |
| CN209464778U (en) | A kind of spray dust-arrest device for preventing from stopping droplet water | |
| CN107409959A (en) | It is a kind of to heat the energy-conservation irrigation rig to thaw | |
| JP6118737B2 (en) | Environmental test equipment and spray nozzle for snowfall | |
| CN206996256U (en) | A kind of desulfuration absorbing tower | |
| CN212691482U (en) | Carbon dioxide busbar warm air heating system | |
| CN208733201U (en) | A kind of commutation type water mist cooling chamber | |
| CN212204035U (en) | Spray main pipe air purging | |
| CN209255023U (en) | A kind of secondary Liqiud-gas mixing device | |
| CN209262681U (en) | A kind of mixing plant atomizing de-dusting winterization system | |
| CN219474407U (en) | Circulating water pipeline structure for water-drying tower and water-drying tower | |
| CN207786164U (en) | The anti-corrosion structure of flue gas injection system | |
| CN207066180U (en) | White-smoke-resisting cooling tower | |
| CN221222885U (en) | Refrigerating device of industrial air conditioner with purifying structure | |
| CN105508721B (en) | A kind of totally-enclosed reversing valve complement of airless sprayer | |
| CN206053986U (en) | A kind of gas tunnel construction dust pelletizing system | |
| CN208757294U (en) | A kind of wet method fume desulfurizing system flue gas cool-down and absorption tower auto-flushing coupling device | |
| CN107356623A (en) | A kind of stone material roadbed freezing and thawing circulating test device automatically controlled |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190419 |
|
| WW01 | Invention patent application withdrawn after publication |