CN105774841B - The antifreeze water-feeding system of hot blast emptying type passenger train - Google Patents
The antifreeze water-feeding system of hot blast emptying type passenger train Download PDFInfo
- Publication number
- CN105774841B CN105774841B CN201610121818.8A CN201610121818A CN105774841B CN 105774841 B CN105774841 B CN 105774841B CN 201610121818 A CN201610121818 A CN 201610121818A CN 105774841 B CN105774841 B CN 105774841B
- Authority
- CN
- China
- Prior art keywords
- water
- pipe line
- pipeline
- hot
- emptying
- 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.)
- Active
Links
- 230000002528 anti-freeze Effects 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 238000001514 detection method Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000013307 optical fiber Substances 0.000 claims description 4
- 239000008400 supply water Substances 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005574 cross-species transmission Effects 0.000 abstract 1
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- -1 and when compartment Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K11/00—Serving peculiar to locomotives, e.g. filling with, or emptying of, water, sand, or the like at the depots
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Domestic Plumbing Installations (AREA)
Abstract
The invention discloses a kind of antifreeze water-feeding system of hot blast emptying type passenger train, including several unit water stops, each unit water stop includes insulated building and watering pipeline, discharge pipe line and hot-blast pipe line, watering pipeline entrance is connected with station water supply line, drawn by insulated building and connect upper water tube hose and upper water swivel in watering pipeline outlet, discharge pipe line entrance is connected with watering pipeline, and magnetic valve is respectively equipped with watering pipeline and discharge pipe line;The hot-blast pipe line draws emptying air outlet by insulated building, connects the upper water swivel during for emptying;Automaton is additionally provided with insulated building, for controlling the break-make of each magnetic valve and hot-blast pipe line.Beneficial effect is:It can realize and the remaining water of upper water tube hose and watering pipeline be emptied and reclaimed after water, and can realize and channel interior is dried, effectively prevent pipeline from freezing to block, it is reliable in time so as to ensure to supply water.Spillover caused by excess water supply can be prevented, so as to avoid causing the waste of water resource.
Description
Technical field
The present invention relates to a kind of passenger train water-feeding system, more particularly to a kind of hot blast emptying type passenger train is anti-to freeze water
System.
Background technology
At present, usually require to be timed train in quantitative upper water during Passenger Train Operation.When train comes to a complete stop
Afterwards during upper water, the upper water tube hose joint of each upper well is inserted compartment by water pipe head by operating personnel, opens the upper water in well
Valve starts upper water, and when compartment, water tank fills and closes water supply valve after producing overflow, pulls up water tube hose joint, terminates upper water.
The problem of this water feeding mode is present be:Cold district will be fast in the winter time for water more than residual after upper water in upper water tube hose
Speed, which freezes, causes water pipe to block, and prevents upper water operation next time from being smoothed out.It is not related to for antifreeze many stations and closes water valve, upper water
The water of flexible pipe outflow is directly discharged into railway roadbed with compartment water tank spilling water, on the one hand causes railway ballast and working environment large area knot
Ice, the personal safety to staff cause great potential safety hazard;Secondly, railway roadbed is made to be deformed jeopardizing traffic safety, together
When also result in the serious waste of water resource.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of can be carried out to water more than the residual of watering pipeline after upper water
Emptying, prevent pipeline freezes from blocking, ensure to supply water the antifreeze water-feeding system of reliable hot blast emptying type passenger train in time.
To solve the above problems, the present invention adopts the following technical scheme that:
A kind of antifreeze water-feeding system of hot blast emptying type passenger train, including several unit water stops, each unit supply water
Stand and supplied including the insulated building and watering pipeline being located in insulated building, discharge pipe line and hot-blast pipe line, watering pipeline entrance with station
Water pipeline connect, watering pipeline outlet drawn by insulated building and connect upper water tube hose and upper water swivel, discharge pipe line entrance with it is upper
Water lines are connected, and magnetic valve is respectively equipped with watering pipeline and discharge pipe line;The hot-blast pipe line is drawn by insulated building and emptied
Air outlet, the upper water swivel is connected during for emptying;Automaton is additionally provided with insulated building, for controlling each electricity
The break-make of magnet valve and hot-blast pipe line.
As further preferred, the hot-blast pipe line entrance is connected with system high pressure wind regime air-supply pipeline, in hot-blast pipe line
On be sequentially provided with pipeline heater and emptying solenoid valve, be provided with Tube Temperature Sensor on pipeline heater, pipe temperature passes
The signal output part of sensor is connected with automaton, is automatically controlled for gathering the heating-up temperature of pipeline heater and being transmitted to
Device.
As further preferred, be provided with flow sensor on watering pipeline, the signal output part of flow sensor with from
Dynamic control device connection, for detecting the flow of watering pipeline in real time, ensure quantitative water supply so as to calculate output.
As further preferred, the hand-operated valve in parallel with magnetic valve therein is provided with watering pipeline, for working as electromagnetism
Upper water manually is realized when valve breaks down.
As further preferred, a list is additionally provided between emptying solenoid valve and emptying air outlet on hot-blast pipe line
To valve.
As further preferred, on hot-blast pipe line positioned at pipeline heater exit end and be connected to air feed branch in room
Road, air feed magnetic valve is provided with air feed branch road in room, for providing hot blast in insulated building, so that it is guaranteed that temperature in insulated building
It is constant.
As further preferred, an indoor temperature transmitter is provided with insulated building inwall, the indoor temperature transmitter
Signal output part is connected with automaton, for detecting the temperature in insulated building in real time.
As further preferred, the automaton includes control module, communication module, temperature detecting module, stream
Measure detection module, heating control module and relay, the signal input part of control module by temperature detecting module respectively with
Connected in detection hot-blast pipe line with the temperature sensor of temperature in insulated building, the signal input part of control module passes through flow detection
Module be connected with the flow sensor for detecting watering pipeline flow, the control output end of control module by relay with respectively
Individual magnetic valve connection, and connected by the pipeline heater of heating control module and hot-blast pipe line.
As further preferred, the control master station being made up of industrial computer is additionally provided with, control master station passes through optical fiber and described logical
News module is connected with the control module of unit water stop, for realizing the transmission of data transfer and various control instructions, together
When control is managed to the high-pressure air source and power supply of the system.
As further preferred, the control module is PLC.
The beneficial effects of the invention are as follows:
1st, it is connected by discharge pipe line with station water circulation system, and the upper water swivel is connected by hot-blast pipe line, can
The remaining water of upper water tube hose and watering pipeline is emptied and reclaimed after water in realization, and can realize and channel interior is dried, it is effectively anti-
Only pipeline freezes and blocked, reliable in time so as to ensure to supply water.
2nd, the quantitative water supply of unit water stop can be ensured by automaton, prevent excess from being overflowed caused by supplying water
Phenomenon, so as to avoid causing the waste of water resource.
Brief description of the drawings
Structure principle chart when Fig. 1 is water operation in the present invention.
Structure principle chart when Fig. 2 is hot blast emptying operation of the present invention.
Structure principle chart when Fig. 3 is heat retaining operation of the present invention.
Fig. 4 is the connection diagram of automaton of the present invention.
Fig. 5 is the system connection diagram of the present invention.
In figure:Insulated building 1, hot-blast pipe line 2, empty air outlet 201, discharge pipe line 3, watering pipeline 4, automaton
5, upper water solenoid valve 6, hand-operated valve 7, flow sensor 8, drain solenoid valve 9, upper water swivel 10, upper water tube hose 11, check valve 12,
Emptying solenoid valve 13, air feed branch road 14 in room, exhaust outlet 1401, indoor temperature transmitter 15, air feed magnetic valve 16, pipeline heating
Device 17, Tube Temperature Sensor 18, communication module 19, control module 20, flow detection module 21, temperature detecting module 22, after
Electrical equipment 23, heating control module 24, audible-visual annunciator 25, unit water stop 26, control master station 27.
Embodiment
As shown in figure 1, a kind of antifreeze water-feeding system of hot blast emptying type passenger train of the present invention, including several lists
First water stop 26, each unit water stop 26 include an insulated building 1, watering pipeline 4, drainpipe are provided with insulated building 1
Road 3 and hot-blast pipe line 2, the entrance of watering pipeline 4 are connected with station water supply line, and watering pipeline 4, which exports, to be drawn by insulated building 1 and connected
Connect water tube hose 11 and upper water swivel 10;The entrance of discharge pipe line 3 connects with the middle part of watering pipeline 4, and discharge pipe line 3 exports and station
Water circulation system connects.Water solenoid valve 6 and drain solenoid valve 9 are separately installed with watering pipeline 4 and discharge pipe line 3,
Watering pipeline 4 is provided with the hand-operated valve 7 in parallel with upper water solenoid valve 6 therein, for realizing hand when magnetic valve breaks down
Dynamic upper water.One flow sensor 8 is installed on watering pipeline 4.
The hot-blast pipe line 2 draws emptying air outlet 201 by insulated building 1, connects the upper water swivel 10 during for emptying.
The entrance of hot-blast pipe line 2 is connected with the air compressor machine being independently arranged in system high pressure wind regime air-supply pipeline or unit water stop 26,
The present embodiment is so that centralized supply wind connects system high pressure wind regime air-supply pipeline as an example.Pipeline is sequentially installed with hot-blast pipe line 2
Heater 17 and emptying solenoid valve 13, are provided with Tube Temperature Sensor 18 on pipeline heater 17, upper in hot-blast pipe line 2
A check valve 12 is additionally provided between emptying solenoid valve 13 and emptying air outlet, for controlling the one-way transmission of hot blast.
It is located at the exit end of pipeline heater 17 on hot-blast pipe line 2 and is connected to air feed branch road 14 in room, air feed in room
End of the branch road 14 in insulated building 1 is provided with exhaust outlet 1401, is provided with air feed magnetic valve 16 on air feed branch road 14 in room, uses
In providing hot blast to insulated building 1 is interior, so that it is guaranteed that temperature is constant in insulated building 1.
Automaton 5 is additionally provided with insulated building 1, for controlling the break-make of each magnetic valve and hot-blast pipe line 2.Institute
The signal output part for stating flow sensor 8 is connected with automaton 5, for detecting the flow of watering pipeline 4 in real time, so as to
Calculate output and ensure quantitative water supply.The Tube Temperature Sensor 18 is connected with automaton 5, is added for gathering pipeline
The heating-up temperature of hot device 17 is simultaneously transmitted to automaton 5.
An indoor temperature transmitter 15, the signal output part of the indoor temperature transmitter 15 are provided with the inwall of insulated building 1
It is connected with automaton 5, for detecting the temperature in insulated building 1 in real time.
As shown in figure 4, the automaton 5 include control module 20, communication module 19, temperature detecting module 22,
Flow detection module 21, heating control module 24, audible-visual annunciator 25 and multiple relays 23, the control module 20 are preferably
PLC, communication module 19 are 485 communication interfaces based on optical fiber transmission, temperature detecting module 22 and flow detection module
21 be A/D converter.The signal input part of control module 20 is passed with the pipe temperature respectively by temperature detecting module 22
Sensor 18 and indoor temperature transmitter 15 connect, and the signal input part of control module 20 passes through flow detection module 21 and the stream
Quantity sensor 8 is connected, and the control output end of control module 20 is connected with each magnetic valve respectively by each relay, and is passed through
Heating control module is connected with the pipeline heater 17.
As shown in figure 5, the system is additionally provided with the control master station 27 being made up of industrial computer, control master station 27 passes through optical fiber and institute
State communication module 19 to be connected with the control module 20 of unit water stop 26, for realizing data transfer and various control instructions
Transmission, while to the system be the high-pressure air source of centralized supply wind pipeline air feed and be unit water stop power supply power supply enter
Row management control.
During upper water as shown in figure 1, every time by controlling master station 27 that the output in each compartment is transferred into unit before upper water
Water stop.Upper water swivel 10 is inserted compartment water inlet by operating personnel during upper water, and " the upper water " for pressing automaton 5 is pressed
Button, then above water solenoid valve 6 is opened, and the water of station water supply line is successively via the entrance of watering pipeline 4, upper water solenoid valve 6, upper hose
Road 4 exports, upper water tube hose 11 and upper water swivel 10 inject compartment water tank.
Upper water starts the flow signal of the rear detection flows sensor 8 of automaton 5 temporally cumulative calculation output,
Control master station 27 is real-time transmitted to, and compared with setting water supply value, reaches the automatic upper water power magnetic of closing after setting output
Valve 6 stops upper water, and sends sound and light alarm signal by audible-visual annunciator, and upper water pulls up water swivel 10 after terminating.
As shown in Fig. 2 the emptying time of setting and compressed air temperature value are transferred to by control master station 27 when hot blast empties
The automaton 5 of unit water stop.
When emptying operation, upper water swivel 10 is accessed emptying air outlet 201 by operating personnel, is pressed " emptying " of control device
Button.Drain solenoid valve 9, emptying solenoid valve 13 are successively opened, while pipeline heater 17 is started working, and have certain pressure
Compressed air successively by the entrance of hot-blast pipe line 2, pipeline heater 17, emptying solenoid valve 13, check valve 12, emptying air outlet,
Water more than pipeline is discharged into station water and followed by upper water swivel 10, upper water tube hose 11, watering pipeline 4, discharge pipe line 3 and drain solenoid valve 9
Loop system, and dry upper water tube hose 11 and watering pipeline 4.Drain solenoid valve 9, emptying solenoid valve 13 are automatic after arrival setting time
Close, pipeline heater 17 is stopped, and emptying terminates.
Above-mentioned hot blast emptying operation can also be arranged to automatic running at regular intervals by automaton 5, with
Because seal aging and abrasion can produce micro- leakage after the long-term work of water solenoid valve 6 in solution, and water is set to flow slowly into water tube hose
11 form secondary icing, and repeatedly emptying can melt it and empty.
As shown in figure 3, control master station 27 is disposable by the heat-preserving range data (such as 5 DEG C~15 DEG C) of setting during heat retaining operation
System is automatically into working condition after being transferred to the automaton 5 of unit water stop.
The indoor temperature signal detected is sent to automaton 5 by indoor temperature transmitter 15 in real time.Work as insulation
When temperature is less than lower limit in room 1, the automatic start pipeline heater 17 of automaton 5 works, and opens air feed magnetic valve
16, there is the compressed air of certain pressure successively through air feed branch road 14 in the entrance of hot-blast pipe line 2, pipeline heater 17, room and confession
Wind-powered electricity generation magnet valve 16 enters in insulated building 1.
When temperature is higher than higher limit in room, automaton 5 is automatically stopped pipeline heater 17 and worked, and closes confession
Wind-powered electricity generation magnet valve 16 cuts off wind path, stops heating, is real-time transmitted into real-time monitor state and by ambient temperature value in insulated building 1
Control master station 27.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (9)
1. a kind of antifreeze water-feeding system of hot blast emptying type passenger train, including several unit water stops, it is characterized in that:It is each single
First water stop includes insulated building and the watering pipeline, discharge pipe line and the hot-blast pipe line that are located in insulated building, watering pipeline entrance with
Station water supply line connection, watering pipeline outlet are drawn by insulated building and connect upper water tube hose and upper water swivel, and discharge pipe line enters
Mouth is connected with watering pipeline, and magnetic valve is respectively equipped with watering pipeline and discharge pipe line;The hot-blast pipe line is drawn by insulated building
Going out to empty air outlet, connecting the upper water swivel during for emptying;Automaton is additionally provided with insulated building, for controlling
The break-make of each magnetic valve and hot-blast pipe line;The hot-blast pipe line entrance is connected with system high pressure wind regime air-supply pipeline, in hot blast
Pipeline heater and emptying solenoid valve are sequentially provided with pipeline, Tube Temperature Sensor, pipeline temperature are provided with pipeline heater
The signal output part of degree sensor is connected with automaton, for gathering the heating-up temperature of pipeline heater and being transmitted to automatic
Control device.
2. the antifreeze water-feeding system of hot blast emptying type passenger train according to claim 1, it is characterized in that:On watering pipeline
Provided with flow sensor, the signal output part of flow sensor is connected with automaton, for detecting watering pipeline in real time
Flow.
3. the antifreeze water-feeding system of hot blast emptying type passenger train according to claim 1 or 2, it is characterized in that:In upper hose
Road is provided with the hand-operated valve in parallel with magnetic valve therein, for realizing upper water manually when magnetic valve breaks down.
4. the antifreeze water-feeding system of hot blast emptying type passenger train according to claim 1, it is characterized in that:On hot-blast pipe line
A check valve is additionally provided between emptying solenoid valve and emptying air outlet.
5. the antifreeze water-feeding system of hot blast emptying type passenger train according to claim 1 or 4, it is characterized in that:In warm-air pipe
It is located at the exit end of pipeline heater on road and is connected to air feed branch road in room, is provided with air feed electromagnetism on air feed branch road in room
Valve, for providing hot blast in insulated building, so that it is guaranteed that temperature is constant in insulated building.
6. the antifreeze water-feeding system of hot blast emptying type passenger train according to claim 5, it is characterized in that:In insulated building inwall
Provided with an indoor temperature transmitter, the signal output part of the indoor temperature transmitter is connected with automaton, for reality
When detect insulated building in temperature.
7. the antifreeze water-feeding system of hot blast emptying type passenger train according to claim 1, it is characterized in that:It is described to automatically control
Device includes control module, communication module, temperature detecting module, flow detection module, heating control module and relay, control
The signal input part of module is passed with the temperature for detecting temperature in hot-blast pipe line and insulated building respectively by temperature detecting module
Sensor connects, and the signal input part of control module passes through flow detection module and the flow sensing for detecting watering pipeline flow
Device is connected, and the control output end of control module is connected by relay with each magnetic valve, and passes through heating control module and heat
The pipeline heater connection of air pipe line.
8. the antifreeze water-feeding system of hot blast emptying type passenger train according to claim 7, it is characterized in that:It is additionally provided with by industry control
Mechanism into control master station, the control module that control master station passes through optical fiber and the communication module and unit water stop connects
Connect, be managed for realizing the transmission of data transfer and various control instructions, while to the high-pressure air source and power supply of the system
Control.
9. the antifreeze water-feeding system of hot blast emptying type passenger train according to claim 7 or 8, it is characterized in that:The control
Module is PLC.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610121818.8A CN105774841B (en) | 2016-03-02 | 2016-03-02 | The antifreeze water-feeding system of hot blast emptying type passenger train |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610121818.8A CN105774841B (en) | 2016-03-02 | 2016-03-02 | The antifreeze water-feeding system of hot blast emptying type passenger train |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105774841A CN105774841A (en) | 2016-07-20 |
CN105774841B true CN105774841B (en) | 2017-12-29 |
Family
ID=56387915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610121818.8A Active CN105774841B (en) | 2016-03-02 | 2016-03-02 | The antifreeze water-feeding system of hot blast emptying type passenger train |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105774841B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106645413A (en) * | 2017-02-22 | 2017-05-10 | 株洲时代电子技术有限公司 | Ultrasonic coupling device for rail flaw detecting car |
CN109268932A (en) * | 2018-11-02 | 2019-01-25 | 袁良文 | Hot water regulating device |
CN109532894B (en) * | 2018-11-15 | 2024-05-28 | 中铁第四勘察设计院集团有限公司 | Train water supply overflow monitoring system based on distributed optical fibers |
CN111284526B (en) * | 2020-04-02 | 2024-09-17 | 江苏双美轨道交通科技有限公司 | Rail transit water supply equipment and control system thereof |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1090951B (en) * | 1977-12-09 | 1985-06-26 | Rimorchi Campeggio Anonima | ANTI-FREEZING COUPLING SYSTEM FOR HOT AIR AND WATER FOR CARAVAN AUTO CARAVAN MOBILE AND PREFABRICATED HOUSES |
CN2189573Y (en) * | 1994-01-13 | 1995-02-15 | 哈尔滨铁路局科学技术协会 | Ground controlling device for the water-supply passenger train |
CN2501762Y (en) * | 2001-08-07 | 2002-07-24 | 刘广春 | Control equipment for water supply of train |
CN101544240A (en) * | 2009-05-07 | 2009-09-30 | 兰州交通大学 | System control method for increasing the water supplying efficiency of railway carriage |
CN201395136Y (en) * | 2009-07-31 | 2010-02-03 | 朱晓明 | Automatic water filling device of railway passenger train |
PL2305530T3 (en) * | 2009-10-02 | 2017-07-31 | Alstom Transport Technologies | Method for protecting the fresh water system of a vehicle from freezing |
CN202706105U (en) * | 2012-08-23 | 2013-01-30 | 郑州光力科技股份有限公司 | Anti-freezing water delivery device |
CN103498494B (en) * | 2013-09-26 | 2015-05-06 | 宁波南车时代传感技术有限公司 | Anti-freezing sewage collection system and anti-freezing method of same |
-
2016
- 2016-03-02 CN CN201610121818.8A patent/CN105774841B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN105774841A (en) | 2016-07-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105774841B (en) | The antifreeze water-feeding system of hot blast emptying type passenger train | |
CN209633328U (en) | High speed railway prefabricating box girder intelligence steam curing system | |
CN201941779U (en) | Automatic overflow control device of railway cars | |
CN206704204U (en) | A kind of railway passenger train water-supply apparatus | |
CN208877805U (en) | A kind of container-type unit heptafluoro-propane fire extinguishing layout system | |
JP2014034027A (en) | Two-fluid sprayer | |
CN106917960B (en) | Point defeated station field pressure regulator valve ice blocks up prevention robot control system(RCS) | |
CN113586120A (en) | Combined hot air jet heat preservation device for cold region tunnel and control method | |
CN204329341U (en) | A kind of water circulation system of automatic control leaving water temperature | |
CN110042755A (en) | Bridge cable protective case, protective device and its bridge cable | |
CN206986972U (en) | A kind of antifreeze control valve | |
CN113551865A (en) | Spraying system capable of removing residual water in pipeline | |
CN205478242U (en) | Air compressor automatic control and monitored control system | |
CN110103896A (en) | A kind of train deicer and de-icing method | |
CN105295964B (en) | A kind of coal oven dithio-gas diffuses control system and method | |
CN105329255A (en) | Haulage motor double-pipe air supply system and air supply pipe air supply monitoring method thereof | |
CN112523796B (en) | Dust fall spraying control system based on dust online monitoring and control method thereof | |
CN108575343A (en) | A kind of low energy consumption nitrogen filling grain storage system | |
CN211024888U (en) | Post-mixing type compressed air foam system | |
CN108222999A (en) | A kind of liquid carbon dioxide cooling fire extinguishing system | |
CN207232050U (en) | A kind of stone material roadbed freezing and thawing circulating test device automatically controlled | |
CN202526814U (en) | Quick water-filling and exhaust system for fire fighting sprinkling pipe network | |
CN201715742U (en) | Automatic pipe emptying device of solar water heater | |
CN215388395U (en) | Air pressure water shower | |
CN109649419A (en) | Train-installed anti-icing system and anti-icing method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210419 Address after: 226100 Guangzhou road Jiangsu city Nantong Province Haimen Economic and Technological Development Zone No. 999 Patentee after: Nantong North Bund Construction Engineering Co.,Ltd. Address before: 121000 Jinzhou City, Liaoning province Linghe District Labor South Lane No. 19-29 Patentee before: Wang Jianming |
|
TR01 | Transfer of patent right |