CN105064446B - Accident safety method and system for water supply - Google Patents
Accident safety method and system for water supply Download PDFInfo
- Publication number
- CN105064446B CN105064446B CN201510429015.4A CN201510429015A CN105064446B CN 105064446 B CN105064446 B CN 105064446B CN 201510429015 A CN201510429015 A CN 201510429015A CN 105064446 B CN105064446 B CN 105064446B
- Authority
- CN
- China
- Prior art keywords
- water
- accident
- water tank
- pipe
- water supply
- 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
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The invention relates to an accident safety method and system for water supply. A circulating cooling water supply pump sucks cooling water from a circulating pump station water suction well and delivers the cooling water to an equipment flow pipe; return water returns into the circulating pump station water suction well; in the case that the circulating cooling water supply pump fails or powers off, an accident diesel engine water supply pump automatically starts up, and before the pump starts up, an accident water tank supplies water to equipment; the accident water tank and the circulating pump station water suction well form a safety water supply circulation loop through an inflow pipe and an overflow pipe; during water supply, the circulating cooling water supply pump supplements water to the accident water tank; water level of the accident water tank is observed in a control room through a level meter. Compared with the prior art, the accident safety method and system for water supply has the advantages that the accident water tank is disposed in column space of a workshop, load of the workshop is never increased, and investment is low; the safety water supply circulation loop is formed through the inflow pipe, an outflow pipe and a lower horizontal overflow pipe, the water in the accident water tank is kept flowing, water worsening is avoided at the premise of meeting safety of water supply, and the anti-freezing problem is solved.
Description
Technical field
The present invention relates to commercial production safety water supply technical field, more particularly, to a kind of fail- safe method of supplying water and water supply
System.
Background technology
The fail- safe water system such as iron and steel enterprise's continuous casting, cold rolling, galvanization production line generally individually adopts Diesel engine pump at present
The way of supplying water combining with high-order safe water tower, or the water supply side being combined using Diesel engine pump and high-order security incident water tank
Formula.Through live practical operation situation, above two method has a disadvantage in that 1) Generally Recognized as safe pressure of supply water is required to
More than 0.5mpa, builds high-order safe water tower, and height needs more than 50 meters to meet, and investment is high；2) set safe thing in factory roof
Therefore water tank makes Factory Building load increase, in addition northern area is antifreeze due to considering, need to set electric tracing, wastes electric energy；Easily make during power failure
Become water tank freeze thus there is potential safety hazard；3) water in accident water tank or water tower does not flow, and water quality easily degenerates.
Content of the invention
The invention provides a kind of fail- safe method of supplying water, in Factory Building column space, setting accident water tank, does not increase
Factory Building load, small investment；Safety water supply closed circuit, accident water tank are formed by water inlet pipe, outlet pipe and lower Horizontal overflow pipe
Interior water keeps flow regime, can prevent water quality from degenerating meeting safety water supply simultaneously again, and solve antifreeze problem；The present invention
Provide the water system being capable of the method simultaneously.
In order to achieve the above object, the present invention employs the following technical solutions realization:
A kind of fail- safe method of supplying water, comprises the steps:
1) recirculated cooling water feed pump extracts cooling water from water circulating pump station absorbing well, absorption well, and equipment water inlet is delivered in water pressurization
Pipe, backwater is returned in water circulating pump station absorbing well, absorption well after cooling down tower cooler and forms normal production water-flow circuit；
2), when recirculated cooling water feed pump breaks down or has a power failure, accident diesel engine feed pump automatic, in accident bavin
Oil machine feed pump passes through outlet pipe by accident water tank before reaching normal operating conditions and equipment is supplied water；
3) the accident water tank being arranged in Factory Building column space passes through between water inlet pipe, overflow pipe and water circulating pump station absorbing well, absorption well
Form safety water supply closed circuit；Wherein part in accident water tank for the overflow pipe is lower Horizontal overflow pipe, can make accident water tank
The water overflow of bottom to water circulating pump station absorbing well, absorption well, simultaneously to accident water tank moisturizing when recirculated cooling water feed pump supplies water；Accident water
Case water level passes through liquidometer to be observed in control room.
For realizing a kind of water system of fail- safe method of supplying water, including the accident being arranged in Factory Building column space
Water tank, water circulating pump station absorbing well, absorption well, recirculated cooling water feed pump and accident diesel engine feed pump, described accident water tank passes through overflow pipe
Connect water circulating pump station absorbing well, absorption well, equipment water inlet pipe is connected by outlet pipe；Another between equipment water inlet pipe and water circulating pump station absorbing well, absorption well
Outward normal production water-flow circuit is formed by recirculated cooling water feed pump, accident diesel engine feed pump and accident watering cycle returns
Road；The normal water-flow circuit that produces, additionally by water inlet pipe connection accident water tank, sets liquidometer in accident water tank.
Part in accident water tank for the described overflow pipe is lower Horizontal overflow pipe, and overflow pipe top sets breather and catchments
Groove, overflow pipe with diameter greater than water inlet pipe diameter.
Described accident water tank bottom sets blow-down pipe and connects overflow pipe, and blow-down pipe sets hand sluice valve.
Described accident radiator drain sets check-valves, and the pipeline on check-valves both sides sets Hand-operated butterfly valve.
Piping filter is set on described accident tank inlet pipe, the pipeline on piping filter both sides sets manual ball valve.
The outfan of described liquidometer passes through cable connection control room display.
Compared with prior art, the invention has the beneficial effects as follows:
In Factory Building column space, setting accident water tank, does not increase Factory Building load, small investment；By water inlet pipe, outlet pipe
Form safety water supply closed circuit with lower Horizontal overflow pipe, the water in accident water tank keeps flow regime, is meeting safety water supply
Can prevent water quality from degenerating simultaneously again, and solve antifreeze problem.
Brief description
Fig. 1 is the flow chart of method of supplying water of the present invention.
Fig. 2 is the structural representation one of water system of the present invention.
Fig. 3 is the structural representation two of water system of the present invention.
In figure: 1. 2. times Horizontal overflow pipe 3. breather, 4. water leg, 5. overflow pipe 6. water circulating pump stations of accident water tank
Absorbing well, absorption well 7. piping filter, 8. manual ball valve, 9. water inlet pipe, 10. liquidometer, 11. control room, 12. blow-down pipes 13. are manual
Gate valve 14. Hand-operated butterfly valve, 15. check-valves, 16. equipment, 17. cooling tower, 18. recirculated cooling water feed pump 19. accident diesel oil
Machine feed pump 20. Factory Building column 21. outlet pipe
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described further:
See Fig. 1, be the flow chart of the method for the invention, a kind of fail- safe method of supplying water of the present invention, including such as
Lower step:
1) recirculated cooling water feed pump 18 extracts cooling water from water circulating pump station absorbing well, absorption well 6, and equipment 16 is delivered in water pressurization
Water inlet pipe, backwater is returned in water circulating pump station absorbing well, absorption well 6 after cooling tower 17 cooling and forms normal production water-flow circuit；
2), when recirculated cooling water feed pump 18 breaks down or has a power failure, accident diesel engine feed pump 19 automatic, in thing
Therefore diesel engine feed pump 19 is supplied water to equipment 16 by outlet pipe 21 by accident water tank 1 before reaching normal operating conditions；
3) the accident water tank 1 being arranged in Factory Building column 20 space passes through water inlet pipe 9, overflow pipe 5 and water circulating pump station water suction
Form safety water supply closed circuit between well 6；Wherein part in accident water tank 1 for the overflow pipe 5 is lower Horizontal overflow pipe 2, can
Make the water overflow of accident water tank 1 bottom to water circulating pump station absorbing well, absorption well 6, simultaneously to accident water when recirculated cooling water feed pump 18 supplies water
Case 1 moisturizing；Accident water tank 1 water level passes through liquidometer 10 to be observed in control room.
Of the present invention for realizing a kind of water system of fail- safe method of supplying water, including being arranged on Factory Building column 20
Accident water tank 1 in space, water circulating pump station absorbing well, absorption well 6, recirculated cooling water feed pump 18 and accident diesel engine feed pump 19, described
Accident water tank 1 connects water circulating pump station absorbing well, absorption well 6 by overflow pipe 5, connects equipment 16 water inlet pipe by outlet pipe 21；Equipment is intake
Just formed additionally by recirculated cooling water feed pump 18, accident diesel engine feed pump 19 between pipe 16 and water circulating pump station absorbing well, absorption well 6
Often produce water-flow circuit and accident watering cycle loop；The normal water-flow circuit that produces is additionally by water inlet pipe 9 connection accident
Water tank 1, sets liquidometer 10 in accident water tank 1.
Part in accident water tank 1 for the described overflow pipe 5 is lower Horizontal overflow pipe 2, and overflow pipe 5 top sets breather 3 He
Water leg 4, overflow pipe 5 with diameter greater than water inlet pipe 21 diameter.
Described accident water tank 1 bottom sets blow-down pipe 12 and connects overflow pipe 5, and blow-down pipe 12 sets hand sluice valve 13.
Described accident radiator drain 21 sets check-valves 15, and the pipeline on check-valves 15 both sides sets Hand-operated butterfly valve 14.
Piping filter 7 is set on described accident tank inlet pipe 9, the pipeline on piping filter 7 both sides sets manual ball valve
14.
The outfan of described liquidometer 10 passes through cable connection control room 11 display.
The post that accident water tank 1 is placed on high span workshop steel structure column 20 by the present invention is aerial, is supplied water using production line
As accident water tank 1 moisturizing, reduce rate of water make-up as far as possible, set guiding device in accident water tank 1, accident water tank 1 be full of after water from
Overflow pipe 5 spills into periodical feeding pumping plant absorbing well, absorption well 6, and the water in accident water tank 1 remains flow regime, there is not stagnant water,
Ensure that water quality does not degenerate and do not freeze.
Accident radiator drain 21 is directly connected to the water inlet pipe of equipment 16, and outlet pipe 21 only sets check-valves 15 and is used for non-return
The Hand-operated butterfly valve 14 of valve 15 maintenance and, save power failure quck-opening valve compared with ordinary accident water tank, and water supply can be improved
Safety.When normal production, the normal water-flow circuit that produces supplies water to equipment 16, due to the presence of hydraulic pressure, in accident water tank 1
Water will not be outflowed by outlet pipe 21 because outlet pipe 21 is provided with check-valves 15, the normal water producing in water-flow circuit
Also accident water tank 1 will not be flowed to.
Should select Factory Building highest point during installation accident water tank 1, generally cooling tower across the space that formed of steel structural upright column
Interior, the shape cooperation post sky form of accident water tank 1 determines, is non-standard water tank.Accident water tank 1 is provided with inspection platform and directly climbs
Ladder, and walk on stage with crane be connected it is ensured that normal service safeguard.With the way phase that generally accident water tank is placed on factory roof
Antifreeze effect can be played and reduce Factory Building load again than, the method for supplying water of the present invention and system, and save occupation of land and invested into
This.
Accident tank inlet pipe 9 connects normal production water-flow circuit, typically adopts dn25 steel pipe, due to caliber relatively
Little, piping filter 7 is set in junction, prevents water inlet pipe 9 from blocking.
The lower Horizontal overflow pipe 2 of setting in accident water tank 1, its overfall is located at accident water tank 1 bottom, and accident water tank 1 is full of
Pass through overflow pipe 5 overflow, overflow pipe 5 end is connected to periodical feeding pumping plant absorbing well, absorption well 6, because water inlet and overflow form circulation after water
Loop, the water in holding accident water tank 1 is in flow regime all the time, there is not stagnant water it is ensured that water quality does not degenerate and do not freeze.
Top outside accident water tank 1 for the overflow pipe 5 arranges breather 3 and water leg 4 it is ensured that overflow pipe 5 does not produce siphon
Phenomenon.Hypothesis water inlet pipe 9 caliber is dn25, because the water in water inlet pipe 9 is pressure current, and the water in overflow pipe 5 is gravity stream,
So overflow pipe 5 caliber should be using dn50 it is ensured that the water in accident water tank 1 will not overflow from top cover.
Accident water tank 1 is provided with liquidometer 10, can deliver on the display of control room 11 by signal, operator on duty can see at any time
Examine whether accident water tank 1 is in full water state.In addition, operator on duty can be absorbed water in water circulating pump station by routine observation overflow pipe 5
Whether Jing6Chu has current to judge safety water supply system whether normal operation, has current to represent that system is normally run, does not have current
Represent that the faults such as water inlet pipe 9 blocking occur, malfunction elimination need to be carried out.Even if blocking, due to the water in accident water tank 1 always
It is in full water state, also do not interfere with safety water supply.
Claims (7)
1. a kind of fail- safe method of supplying water is it is characterised in that comprise the steps:
1) recirculated cooling water feed pump extracts cooling water from water circulating pump station absorbing well, absorption well, equipment water inlet pipe is delivered in water pressurization, returns
Water is returned in water circulating pump station absorbing well, absorption well after cooling down tower cooler and forms normal production water-flow circuit；
2), when recirculated cooling water feed pump breaks down or has a power failure, accident diesel engine feed pump automatic, in accident diesel engine
Feed pump passes through outlet pipe by accident water tank before reaching normal operating conditions and equipment is supplied water；
3) the accident water tank being arranged in Factory Building column space passes through to be formed between water inlet pipe, overflow pipe and water circulating pump station absorbing well, absorption well
Safety water supply closed circuit；Wherein part in accident water tank for the overflow pipe is lower Horizontal overflow pipe, can make accident water tank bottom
Water overflow to water circulating pump station absorbing well, absorption well, simultaneously to accident water tank moisturizing when recirculated cooling water feed pump supplies water；Accident Water in Water Tank
Position is observed in control room by liquidometer.
2. it is used for realizing a kind of fail- safe water system of the fail- safe method of supplying water described in claim 1, its feature exists
In including the accident water tank being arranged in Factory Building column space, water circulating pump station absorbing well, absorption well, recirculated cooling water feed pump and accident bavin
Oil machine feed pump, described accident water tank connects water circulating pump station absorbing well, absorption well by overflow pipe, connects equipment water inlet pipe by outlet pipe；
Just formed additionally by recirculated cooling water feed pump, accident diesel engine feed pump between equipment water inlet pipe and water circulating pump station absorbing well, absorption well
Often produce water-flow circuit and accident watering cycle loop；The normal water-flow circuit that produces connects accident water additionally by water inlet pipe
Case, sets liquidometer in accident water tank.
3. a kind of fail- safe water system according to claim 2 is it is characterised in that described overflow pipe is in accident water tank
Interior part is lower Horizontal overflow pipe, and overflow pipe top sets breather and water leg, overflow pipe with diameter greater than water inlet pipe diameter.
4. a kind of fail- safe water system according to claim 2 is it is characterised in that described accident water tank bottom sets and puts
Blank pipe connects overflow pipe, and blow-down pipe sets hand sluice valve.
5. a kind of fail- safe water system according to claim 2 is it is characterised in that described accident radiator drain sets
Check-valves, the pipeline on check-valves both sides sets Hand-operated butterfly valve.
6. a kind of fail- safe water system according to claim 2 is it is characterised in that on described accident tank inlet pipe
If piping filter, the pipeline on piping filter both sides sets manual ball valve.
7. a kind of fail- safe water system according to claim 2 is it is characterised in that the outfan of described liquidometer leads to
Cross cable connection control room display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510429015.4A CN105064446B (en) | 2015-07-21 | 2015-07-21 | Accident safety method and system for water supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510429015.4A CN105064446B (en) | 2015-07-21 | 2015-07-21 | Accident safety method and system for water supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105064446A CN105064446A (en) | 2015-11-18 |
| CN105064446B true CN105064446B (en) | 2017-01-25 |
Family
ID=54493933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510429015.4A Active CN105064446B (en) | 2015-07-21 | 2015-07-21 | Accident safety method and system for water supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105064446B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604135B (en) * | 2016-03-07 | 2017-12-12 | 上海市城市建设设计研究总院（集团）有限公司 | The overflow mechanism of pumping plant circulating cooling water tank |
| CN106825472B (en) * | 2017-03-29 | 2019-12-03 | 中天钢铁集团有限公司 | Continuous cast mold accident water safety interlock system and its control method |
| CN110804683A (en) * | 2019-11-08 | 2020-02-18 | 山西太钢不锈钢股份有限公司 | Power-loss emergency device and method for blast furnace cooling water system |
| CN111947026B (en) * | 2020-08-04 | 2022-03-22 | 鞍钢股份有限公司 | Method for rapidly judging whether gate valve flashboard between nitrogen pressure tank and water replenishing pump falls off or not |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05321307A (en) * | 1992-05-20 | 1993-12-07 | Kajima Corp | Dead water preventing double pipe system |
| JPH10195939A (en) * | 1997-01-16 | 1998-07-28 | Teraru Kyokuto:Kk | Water supply equipment to prevent rotting of water |
| US6463956B2 (en) * | 1998-09-29 | 2002-10-15 | International Water-Guard Industries Inc. | Method of water distribution and apparatus therefor |
| CN201794112U (en) * | 2010-07-22 | 2011-04-13 | 宝钢工程技术集团有限公司 | Water circulation device of emergency water tank |
| CN102839710A (en) * | 2012-09-04 | 2012-12-26 | 山东圣阳电源科技有限公司 | Self-adjusting environment-friendly recycling system for industrial cooling water |
| CN103806504A (en) * | 2012-11-06 | 2014-05-21 | 贵阳铝镁设计研究院有限公司 | Water continuously-supplying method and supplying device of circulating water system |
| CN103255806B (en) * | 2013-05-30 | 2015-01-28 | 广西红墙新材料有限公司 | Central circulating water supply system of workshops |
-
2015
- 2015-07-21 CN CN201510429015.4A patent/CN105064446B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105064446A (en) | 2015-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105064446B (en) | Accident safety method and system for water supply | |
| CN105781613A (en) | Local dynamic dry-type waste water pump house for large-scale shield tunnel | |
| CN107419789A (en) | The drainage system and water discharge method of the turbine-generator units in the higher river of tailwater level | |
| CN104532907B (en) | pump station structure | |
| CN207392411U (en) | The prevention waterlogging prefabricated pumping plant of integrated sewage water | |
| CN104595091B (en) | Water supply system and water supply method of water-turbine generator set in heavy sediment-carrying river | |
| CN205012400U (en) | Accident safety water supply system | |
| CN209308881U (en) | A kind of system improving power station technical water supply reliability | |
| CN206816801U (en) | A kind of center drive speed reducer Lubricating-oil Station | |
| CN104299662B (en) | Nuclear power plant of movable marine nuclear power platform | |
| CN203939492U (en) | A kind of clear water water filling integrated device | |
| CN207277486U (en) | A kind of mill tailings storehouse is met an urgent need self-draining arrangement | |
| CN203768881U (en) | Water seepage draining device for corridors of mountain and dam body | |
| CN204806758U (en) | Circulative cooling water supply system outside hydroelectric power plant | |
| CN204004343U (en) | Desulfurization slurry recycle pump speed reducer lubricant oil external is concentrated cooling system | |
| CN105890434B (en) | A kind of power plant cycle water cooling system, cooling means and application | |
| CN212336278U (en) | Large-scale underground type hydropower station factory building leakage drainage system combined with slope shaft | |
| CN205316010U (en) | Gas turbine's host computer lubricating system | |
| CN204342816U (en) | A kind of slag processing circulating water system | |
| CN206328852U (en) | A kind of sewage lifting system | |
| CN207582506U (en) | A kind of electric power plant circulating water pipeline multifunctional manhole | |
| CN209384316U (en) | A kind of desulfurization municipal water supply system | |
| CN111255606A (en) | Water energy recovery power generation system of water cooling tower | |
| CN205714280U (en) | A kind of large shield tunnel local dynamic station dry type waste water pump house | |
| CN207609632U (en) | A kind of siphon pipe exhaust apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |