CN107096672A - A kind of liquid ammonia storage tank fire-fighting water sprinkler system - Google Patents
A kind of liquid ammonia storage tank fire-fighting water sprinkler system Download PDFInfo
- Publication number
- CN107096672A CN107096672A CN201710449286.5A CN201710449286A CN107096672A CN 107096672 A CN107096672 A CN 107096672A CN 201710449286 A CN201710449286 A CN 201710449286A CN 107096672 A CN107096672 A CN 107096672A
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- China
- Prior art keywords
- spray
- shower
- storage tank
- liquid ammonia
- ring
- 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.)
- Pending
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 140
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 239000007921 spray Substances 0.000 claims abstract description 98
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 54
- STJLVHWMYQXCPB-UHFFFAOYSA-N propiconazole Chemical compound O1C(CCC)COC1(C=1C(=CC(Cl)=CC=1)Cl)CN1N=CN=C1 STJLVHWMYQXCPB-UHFFFAOYSA-N 0.000 claims description 8
- 230000007062 hydrolysis Effects 0.000 claims description 7
- 238000006460 hydrolysis reaction Methods 0.000 claims description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- 239000004202 carbamide Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000007865 diluting Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
-
- 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
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
Landscapes
- Nozzles (AREA)
Abstract
The invention discloses a kind of liquid ammonia storage tank fire-fighting water sprinkler system, including two spray equipments, each spray equipment includes spray water source, ammonia area fire protection pipeline, spray water supply line and ring-type spray piping, spray water source is connected with ammonia area fire protection pipeline water inlet end, ammonia area fire protection pipeline water side is connected with spray water supply line water inlet end, spray water supply line water side is connected with ring-type spray piping, and ring-type spray piping includes circular spray tube and the one group of shower nozzle uniformly installed on circular spray tube；Circular spray tube on one ring-type spray piping is as inner ring shower, and inner ring shower upper nozzle is arranged in above two liquid ammonia storage tank axis；Circular spray tube on another ring-type spray piping is as outer shroud shower, and outer shroud shower upper nozzle is arranged in two liquid ammonia storage tank outer walls and cofferdam middle upper part；Inner ring shower and outer shroud shower are in Back Word type.Beneficial effects of the present invention：Spray region all standing is realized, can be sprayed with subregion, saving water resource.
Description
Technical field
The present invention relates to technical field of fire control, in particular to a kind of liquid ammonia storage tank fire-fighting water sprinkler system.
Background technology
Traditional thermal power plant's denitration liquefied ammonia tank area sets a set of water sprinkler system, whole storage tank above each liquid ammonia storage tank
Spray system above area shares a set of valve control that drenches with rain, when A leak of liquefied ammonia, and leakage ammonia detector detects ammonia, when ammonia exists
When concentration reaches protection act value in air, start the whole shower nozzles in liquid ammonia storage tank region and leakage ammonia is diluted.
Prior art major defect is：
1st, when there is a small amount of A leak of liquefied ammonia, whole tank area spray system can be started, without subregion, waste water resource；
2nd, applicator is all concentrated on liquid ammonia storage tank, and the liquefied ammonia not diluted in time can not all be diluted, cause ammonia
Gas spreads, and influences surrounding environment；
3rd, the leakage point of the flange not concentrated in together, valve, liquid level gauge, instrument can not be completely covered.
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of liquid ammonia storage tank fire-fighting water sprinkler system, realizing spray
The all standing in region is drenched, while can be sprayed with subregion, saving water resource.
The invention provides a kind of ammonia storage tank fire-fighting water sprinkler system, including two spray equipments, each spray equipment bag
Include spray water source, ammonia area fire protection pipeline, spray water supply line and ring-type spray piping, the spray water source and ammonia area fire-fighting
The water inlet end connection of pipeline, the water side of ammonia area fire protection pipeline is connected with the water inlet end of the spray water supply line, described
Spray water supply line water side be connected with the ring-type spray piping, the ring-type spray piping including circular spray tube and
The one group of shower nozzle uniformly installed on circular spray tube；
Wherein,
Circular spray tube on one ring-type spray piping is as inner ring shower, the shower nozzle cloth on the inner ring shower
Put above two liquid ammonia storage tank axis and formed and is circular layout；
Circular spray tube on another ring-type spray piping is as outer shroud shower, the shower nozzle on the outer shroud shower
It is arranged in two liquid ammonia storage tank outer walls and cofferdam middle upper part and is formed and is circular layout；
The inner ring shower and the outer shroud shower are in Back Word type.
Further improved as of the invention, filter, the first butterfly valve and valve are set gradually on the spray water supply line
The discharge tube is connected with component, the spray water supply line between first butterfly valve and the valve member；
Wherein, the valve member include set gradually the first Signal butterfly bamper, drench with rain valve and secondary signal butterfly valve.
Further improved as of the invention, ball valve is set on the discharge tube.
Further improved as of the invention, the second butterfly valve is set on ammonia area fire protection pipeline.
Further improved as of the invention, the liquid ammonia storage tank fire-fighting water sprinkler system also includes controller and leakage ammonia detection
Instrument, the leakage ammonia detector is arranged on the spray water supply line, and the leakage ammonia detector and the valve member are and institute
State controller electric connection.
Further improved as of the invention, the shower nozzle direction installed on the inner ring shower is differed, the shower nozzle
Outer wall and the angle between the ring surface of circular spray tube towards the hydrolysis of urea tank are 0 ° -90 °.
Further improved as of the invention, the differential seat angle of adjacent shower nozzle is 3 ° -10 ° on the inner ring shower.
Further improved as of the invention, the shower nozzle direction installed on the outer shroud shower is differed, the shower nozzle
Outer wall and the angle between the ring surface of circular spray tube towards the hydrolysis of urea tank are 0 ° -90 °.
Further improved as of the invention, the differential seat angle of adjacent shower nozzle is 3 ° -10 ° on the outer shroud shower.
Beneficial effects of the present invention are：
1st, subregion is carried out to ammonia area spray system, is divided into inner ring shower and outer shroud shower, inner ring shower mainly rises
To the effect for preventing A leak of liquefied ammonia from diluting, outer shroud shower primarily serves the effect for preventing A leak of liquefied ammonia from spreading, root
Inner ring or outer ring is opened according to the region correspondence for needing to spray, will not waste water resource；
2nd, to not diluting ammonia in time, opening outer shroud spray can dilute again, prevent ammonia from spreading；
3rd, all standing is carried out to liquid ammonia storage tank region fire-fighting Water spray；
4th, it can be operated with remote control without operating personnel scene, it is to avoid ammonia directly contacts the people easily caused
Raw injury；
5th, concentration reaches that certain value can produce blast to ammonia leakage in atmosphere, and the ammonia leakage in air can be carried out
Detection, it is to avoid the generation of the dangerous situation such as blast.
Brief description of the drawings
Fig. 1 is a kind of structural representation of liquid ammonia storage tank fire-fighting water sprinkler system described in the embodiment of the present invention；
Fig. 2 is the arrangement schematic diagram of inner ring shower and outer shroud shower in Fig. 1.
In figure：
1st, water source is sprayed；2nd, ammonia area fire protection pipeline；3rd, water supply line is sprayed；4th, discharge tube；5th, ring-type spray piping；6、
Shower nozzle；7th, filter；8th, the first butterfly valve；9th, valve member；10th, the first Signal butterfly bamper；11st, drench with rain valve；12nd, secondary signal butterfly
Valve；13rd, the second butterfly valve；14th, ball valve；15th, inner ring shower；16th, outer shroud shower.
Embodiment
The present invention is described in further detail below by specific embodiment and with reference to accompanying drawing.
As shown in figure 1, a kind of liquid ammonia storage tank fire-fighting water sprinkler system described in the embodiment of the present invention, including two spray dresses
Put, each spray equipment includes spray water source 1, ammonia area fire protection pipeline 2, spray water supply line 3 and ring-type spray piping 5, spray
Water source 1 is connected with the water inlet end of ammonia area fire protection pipeline 2, the water side of ammonia area fire protection pipeline 2 and the water inlet end of spray water supply line 3
Connection, spray water supply line 3 water side be connected with ring-type spray piping 5, ring-type spray piping 5 including circular spray tube and
The one group of shower nozzle 6 uniformly installed on circular spray tube.
Wherein, as shown in Fig. 2 the circular spray tube on a ring-type spray piping 5 is used as inner ring shower 15, interior ring spray
Shower nozzle 6 in shower pipe 15 is arranged in above two liquid ammonia storage tank axis and formed and is circular layout；Another ring-type spray piping 5
On circular spray tube as outer shroud shower 16, the shower nozzle 6 on outer shroud shower 16 be arranged in two liquid ammonia storage tank outer walls with
Cofferdam middle upper part and formation be circular layout；Inner ring shower 15 and outer shroud shower 16 are in Back Word type.
Filter 7, the first butterfly valve 8 and valve member 9, the first butterfly valve 8 and valve group are set gradually on spray water supply line 3
Discharge tube 4 is connected with spray water supply line 3 between part 9.Wherein, valve member 9 includes the first signal set gradually
Butterfly valve 10, drench with rain valve 11 and secondary signal butterfly valve 12.Set on discharge tube 4 on ball valve 14, ammonia area fire protection pipeline 2 and set second
Butterfly valve 13.
Further, liquid ammonia storage tank fire-fighting water sprinkler system also includes controller and leakage ammonia detector, leakage ammonia detector peace
On spray water supply line 3, leakage ammonia detector and valve member 9 are electrically connected with controller.By the setting of controller,
Can be with the opening and closing of the first Signal butterfly bamper of remote control 10, drench with rain valve 11 and secondary signal butterfly valve 12.Leaking ammonia detector can
With realize in whole hydrolysis zone ammonia leakage detection, it is to avoid missing inspection test leakage and cause danger, once detected ammonia
Leakage, it is possible to open spray system and sprayed.
Signal butterfly bamper (the first Signal butterfly bamper 10) above be control spray system water inlet, maintenance cut off the water supply wait act on,
Specifically include：When spray system needs service, this butterfly valve is closed, end is opened and discharges water, in emptying This floor spray system
Water, is repaired；It is not allow anhydrous in spray system, when this butterfly valve is closed, a signal can be transmitted to controller,
Controller receives a monitoring signal, and it is anhydrous state to point out this spraying system of fire fighting, answers rapid-maintenance.Signal butterfly below
Valve (secondary signal butterfly valve 12) on the one hand mainly prevents maloperation, is on the other hand to drench with rain valve 11 when needing repairing, closes it
It can prevent the current of pipe network from losing.
The valve 11 that drenches with rain is automatic water-supply control valve, controls it to open and close by controller, its flap can pass through electricity
Dynamic, machinery or other modes are opened.
Signal butterfly bamper is realized by worm gearing drive shaft and butterfly plate rotation to be opened, closes and control flow.
Rotation of worm gear worm gearing handwheel, make butterfly plate reach open and close and regulation flow purpose, handwheel be rotated clockwise for
Valve is closed.Microswitch is set in the worm gearing casing, can be set by two ways：(1) passing
Provided with being opened to, closing to two microswitches in dynamic device box, acted respectively in valve wide open and closing, connect controller pair
" valve is opened ", " valve pass " answered indicates lamp source, makes accurately show the open and-shut mode of valve on the controller；(2) in transmission device
Pass is set in casing to microswitch (butterfly plate closed positions is 0 °), microswitch is opened when butterfly plate is by 0 °~40 ° of positions, output
Valve closing signal, when butterfly plate is by 40 °~90 ° of positions, microswitch is closed, output valve open signal.
Further, the direction of shower nozzle 6 installed on inner ring shower 15 is differed, and shower nozzle 6 is towards hydrolysis of urea tank
The outer wall and angle between the ring surface of circular spray tube is 0 ° -90 °.The direction of shower nozzle 6 installed on outer shroud shower 16 is equal
Differ, shower nozzle 6 towards the outer wall and the angle between the ring surface of circular spray tube of hydrolysis of urea tank be 0 ° -90 °.Specifically
During design, in order that the region that must be sprayed is more comprehensively, the differential seat angle of adjacent shower nozzle 6 is 3 ° of -10 ° of (examples on inner ring shower 15
Such as 3 °, 4 °, 5 °, 6 °, 7 °, 8 °, 9 °, 10 °), on outer shroud shower 16 differential seat angle of adjacent shower nozzle 6 for 3 ° -10 ° (for example
3 °, 4 °, 5 °, 6 °, 7 °, 8 °, 9 °, 10 ° etc.), differential seat angle can be designed according to the quantity for the shower nozzle specifically arranged.Ammonia leakage
Concentration reaches that certain value can produce blast in atmosphere, can internal different directions shower nozzle on ring spray shower pipe and outer shroud shower
It is arranged in a crossed manner, each point in each spray region is ejected into, the coverage rate in spray region is realized so that the coverage rate of spray
Product is wider, and dilution ammonia is more thorough.
When specifically used, the inner annular (inner ring shower) of Back Word type is primarily served for preventing A leak of liquefied ammonia from diluting
Effect, the outer annular (outer shroud shower) of Back Word type primarily serves the effect for preventing A leak of liquefied ammonia from spreading.It is few when having
When measuring A leak of liquefied ammonia, start inner ring shower and sprayed, ammonia is effectively diluted；When there are a large amount of A leak of liquefied ammonia, open
Dynamic inner ring shower and outer shroud shower are sprayed, and while liquefied ammonia is effectively diluted, prevent undiluted A leak of liquefied ammonia from expanding
Dissipate.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (9)
1. a kind of liquid ammonia storage tank fire-fighting water sprinkler system, it is characterised in that including two spray equipments, each spray equipment includes
Spray water source (1), ammonia area fire protection pipeline (2), spray water supply line (3) and ring-type spray piping (5), the spray water source (1)
It is connected with the water inlet end of ammonia area fire protection pipeline (2), the water side of ammonia area fire protection pipeline (2) and the spray feed pipe
The water inlet end connection in road (3), the water side of the spray water supply line (3) is connected with the ring-type spray piping (5), the ring
Shape spray piping (5) includes circular spray tube and the one group of shower nozzle (6) uniformly installed on circular spray tube；
Wherein,
Circular spray tube on one ring-type spray piping (5) is as inner ring shower (15), on the inner ring shower (15)
Shower nozzle (6) be arranged in above two liquid ammonia storage tank axis and formed and be circular layout；
Circular spray tube on another ring-type spray piping (5) is used as outer shroud shower (16), the outer shroud shower (16)
On shower nozzle (6) be arranged in two liquid ammonia storage tank outer walls and cofferdam middle upper part and formed and be circular layout；
The inner ring shower (15) and the outer shroud shower (16) are in Back Word type.
2. liquid ammonia storage tank fire-fighting water sprinkler system according to claim 1, it is characterised in that the spray water supply line
(3) filter (7), the first butterfly valve (8) and valve member (9), first butterfly valve (8) and the valve member are set gradually on
(9) discharge tube (4) is connected with the spray water supply line (3) between；
Wherein, the valve member (9) includes the first Signal butterfly bamper (10) set gradually, the valve that drenches with rain (11) and secondary signal butterfly
Valve (12).
3. liquid ammonia storage tank fire-fighting water sprinkler system according to claim 2, it is characterised in that on the discharge tube (4)
Ball valve (14) is set.
4. liquid ammonia storage tank fire-fighting water sprinkler system according to claim 1, it is characterised in that ammonia area fire protection pipeline
(2) the second butterfly valve (13) is set on.
5. liquid ammonia storage tank fire-fighting water sprinkler system according to claim 1 or 2, it is characterised in that the liquid ammonia storage tank disappears
Anti- water sprinkler system also includes controller and leakage ammonia detector, and the leakage ammonia detector is arranged on the spray water supply line (3)
On, the leakage ammonia detector and the valve member (9) are electrically connected with the controller.
6. liquid ammonia storage tank fire-fighting water sprinkler system according to claim 1, it is characterised in that the inner ring shower (15)
Shower nozzle (6) direction of upper installation is differed, outer wall and and circular spray tube of the shower nozzle (6) towards the hydrolysis of urea tank
Ring surface between angle be 0 ° -90 °.
7. liquid ammonia storage tank fire-fighting water sprinkler system according to claim 6, it is characterised in that the inner ring shower (15)
The differential seat angle of upper adjacent shower nozzle (6) is 3 ° -10 °.
8. liquid ammonia storage tank fire-fighting water sprinkler system according to claim 1, it is characterised in that the outer shroud shower (16)
Shower nozzle (6) direction of upper installation is differed, outer wall and and circular spray tube of the shower nozzle (6) towards the hydrolysis of urea tank
Ring surface between angle be 0 ° -90 °.
9. liquid ammonia storage tank fire-fighting water sprinkler system according to claim 8, it is characterised in that the outer shroud shower (16)
The differential seat angle of upper adjacent shower nozzle (6) is 3 ° -10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710449286.5A CN107096672A (en) | 2017-06-14 | 2017-06-14 | A kind of liquid ammonia storage tank fire-fighting water sprinkler system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710449286.5A CN107096672A (en) | 2017-06-14 | 2017-06-14 | A kind of liquid ammonia storage tank fire-fighting water sprinkler system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107096672A true CN107096672A (en) | 2017-08-29 |
Family
ID=59659756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710449286.5A Pending CN107096672A (en) | 2017-06-14 | 2017-06-14 | A kind of liquid ammonia storage tank fire-fighting water sprinkler system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107096672A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899363A (en) * | 2017-12-22 | 2018-04-13 | 中国安全生产科学研究院 | A kind of method of water spray absorption emergency disposal liquid ammonia storage tank leakage ammonia |
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2017
- 2017-06-14 CN CN201710449286.5A patent/CN107096672A/en active Pending
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| CN107899363A (en) * | 2017-12-22 | 2018-04-13 | 中国安全生产科学研究院 | A kind of method of water spray absorption emergency disposal liquid ammonia storage tank leakage ammonia |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Yinshun Inventor after: Xu Yan Inventor after: Sun Ye Inventor after: Zhu Jun Inventor after: Sun Jian Inventor after: Qi Yunfang Inventor after: Cheng Gao Inventor after: Zhang Cuican Inventor after: Li Wenlong Inventor after: Yang Chunyu Inventor after: Cai Yadong Inventor after: Cao Dong Inventor after: Xia Shuang Inventor after: Li Wen Inventor after: Sun Diemin Inventor before: Zhang Cuican Inventor before: Yang Chunyu Inventor before: Li Wenlong Inventor before: Cai Yadong Inventor before: Sun Jian Inventor before: Wang Zhigang Inventor before: Sun Ye Inventor before: Zhu Jun Inventor before: Cheng Gao |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170829 |