CN209725852U - A kind of emergency treatment device for liquid ammonia storage tank leakage - Google Patents
A kind of emergency treatment device for liquid ammonia storage tank leakage Download PDFInfo
- Publication number
- CN209725852U CN209725852U CN201920428978.6U CN201920428978U CN209725852U CN 209725852 U CN209725852 U CN 209725852U CN 201920428978 U CN201920428978 U CN 201920428978U CN 209725852 U CN209725852 U CN 209725852U
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- Prior art keywords
- storage tank
- liquid ammonia
- ammonia storage
- spray
- roller shutter
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Abstract
The utility model belongs to liquefied ammonia technical field of safety protection, specifically disclose a kind of emergency treatment device for liquid ammonia storage tank leakage, including spray unit, roller shutter unit and controller for controlling spray unit, spray unit includes three spraying mechanisms, it is located at surface, the left and right side of liquid ammonia storage tank, spraying mechanism includes a set of liquefied ammonia leak detector being electrically connected with controller and a spray piping, and spray piping is equipped with spray head；Roller shutter unit includes roller shutter pedestal, two support frames and the identical structure of rolling of two structures, and two structure of rolling are symmetrical with the longitudinal center line of liquid ammonia storage tank, and roller shutter is cooling cascade.In the present apparatus, the setting of three spraying mechanisms can carry out specific aim and comprehensive spray to liquid ammonia storage tank；When leaking serious, structure of rolling is opened, water suction forms water curtain wall after roller shutter expansion, can prevent ammonia from spreading, usually can also play anti-sunlight function to liquid ammonia storage tank.
Description
Technical field
The utility model belongs to liquefied ammonia technical field of safety protection, specifically discloses a kind of answering for liquid ammonia storage tank leakage
Anxious processing unit.
Background technique
Liquefied ammonia is a kind of colourless liquid, there is intense irritation smell, and boiling point is -33.5 DEG C, and ammonia is gaseous state at normal temperature, easily
It is dissolved in water, ethyl alcohol etc., it is toxic, it easily fires, can mix with air to form explosive mixture, high temperature or chance open fire will cause to fire
Decrepitate is fried.Ammonia is as a kind of important industrial chemicals, to transport and storing convenience, it will usually by gaseous ammonia by pressurization or
Cooling obtains liquid ammonia, is then stored with liquid ammonia storage tank.
In use, it will appear in the manufacturing of liquid ammonia storage tank, transport, storage and often the damage feelings such as pipeline, valve, storage tank
Condition causes A leak of liquefied ammonia, and since liquefied ammonia pressure store is higher, the liquefied ammonia leaked out can gasify rapidly, spreads to surrounding space, right
Surrounding enviroment and personnel cause serious harm.
Currently, mainly solving the mode of liquefied ammonia leakage in factory is: a set of fire-fighting water spray being arranged above liquid ammonia storage tank
System and ammonia detector, when liquefied ammonia leakage, when ammonia detector test to ammonia concentration is more than setting value, alarm report
It is alert, while spray system starting is diluted leakage ammonia.Above-mentioned main problem existing in the prior art is: 1, spraying
Head all concentrates on liquid ammonia storage tank top position, timely and effectively the leakage to liquid ammonia storage tank lower position can not click through shape spray
Leaching, causes ammonia to spread, influences ambient enviroment；2, to do not concentrate in together flange, valve, liquidometer, instrument leakage point
It can not be completely covered；3, centralized recovery processing is not carried out to the waste water dissolved with ammonia after spraying, is easy to cause liquid ammonia storage tank
Corrosion, and ambient enviroment is polluted.
Utility model content
The purpose of this utility model is providing a kind of emergency treatment device for liquid ammonia storage tank leakage, to solve existing skill
Spray system area coverage in art is small, poor to the assimilation effect of ammonia, can not timely and effectively cope with A leak of liquefied ammonia and diffusion
The problem of.
In order to achieve the above object, the base case of the utility model are as follows: it is a kind of for liquid ammonia storage tank leakage emergency at
Manage device, including pedestal, pedestal is equipped with the support base for being used to support liquid ammonia storage tank, further include spray unit, roller shutter unit and
For controlling the controller of spray unit, the spray unit includes three spraying mechanisms, and spraying mechanism is located at liquefied ammonia storage
The surface of tank, liquid ammonia storage tank left and right side, each spraying mechanism includes that a set of liquefied ammonia being electrically connected with controller is let out
Reveal detector and a spray piping, spray piping is equipped with several spray heads, and the spout of spray head is towards liquid ammonia storage tank；Roller shutter
Unit includes roller shutter pedestal, two support frames and the identical structure of rolling of two structures, and roller shutter pedestal, which is equipped with, can accommodate shutter
The cavity of structure, cavity lower section are set there are two opening, and two support frames are obliquely installed and with the longitudinal center line of liquid ammonia storage tank in a left side
Right symmetrical, the upper end of support frame is fixedly connected on roller shutter pedestal, and is located at the lower section of corresponding opening, and the lower end of support frame is fixed
It is connected on the spray piping of respective side；Two structure of rolling are symmetrical with the longitudinal center line of liquid ammonia storage tank, shutter
Structure includes roller shutter, curtain rolling shaft and motor, and roller shutter is cooling cascade, and roller shutter wraps up in volume on curtain rolling shaft, and curtain rolling shaft is rotatably connected on
On roller shutter pedestal, motor is for driving curtain rolling shaft to rotate.
The working principle of this base case is: when liquefied ammonia leak detector detects that leakage situation occurs in liquid ammonia storage tank
When, signal is passed into controller, controller receives signal, starts corresponding spraying mechanism, sprays water to leak point, inhales
The ammonia leaked is received, prevents ammonia from spreading and safety accident occurs.When liquid ammonia storage tank leakage is serious, opened by controller
Dynamic motor opens roller shutter, and water suction forms water curtain wall after roller shutter expansion, can prevent ammonia from spreading, and usually can also rise to liquid ammonia storage tank
To anti-sunlight function.
The beneficial effect of this base case is:
1, by three spraying mechanisms of setting, the comprehensive encirclement of the progress to liquid ammonia storage tank can have the present apparatus in time
Effect ground clicks through shape spray to the leakage of liquid ammonia storage tank lower position, avoids ammonia from spreading, influences ambient enviroment；Each spray simultaneously
Mechanism can be activated individually, and pointedly spray to the leak point of liquid ammonia storage tank corresponding side, can save water resource.
2, when ammonia leakage is serious, after the structure of rolling in the present apparatus is opened, roller shutter forms water in liquid ammonia storage tank two sides
Curtain wall can play the role of preventing A leak of liquefied ammonia from spreading, further increase the assimilation effect to leakage ammonia, effectively cope with
A leak of liquefied ammonia and diffusion.
It further, further include waste water collecting unit, waste water collecting unit includes reservoir and the leakage that is connected with reservoir
The mouth of a river, reservoir are set in the base, and scupper is arranged in a ring around liquid pipe storage tank.Waste water during spray dissolved with ammonia passes through
Scupper enters in the reservoir in pedestal, carries out centralized recovery processing, prevents waste ammonia liquor from causing to corrode to liquid ammonia storage tank,
It avoids waste ammonia liquor from flowing into water body or tidal channel, ambient enviroment and water body is polluted.
It further, further include Ammonia recovery unit, the Ammonia recovery unit includes that recovery channel, recovery pump, recycling connect
Mouthful, recycling interface is equipped with safety valve and pressure gauge, and recycling interface is arranged in the lower section of liquid ammonia storage tank, recovery channel one end with return
It receives interface to be connected, the other end is connected with the input end of recovery pump；Safety valve, pressure gauge and recovery pump are electrical with controller
Connection.
When liquefied ammonia leak detector detects A leak of liquefied ammonia especially severe, signal is fed back into controller, controller control
Safety valve processed is opened, and controls recycling pump startup, and the liquefied ammonia in the liquid ammonia storage tank of leakage will be present and be transferred to spare liquid ammonia storage tank
In, A leak of liquefied ammonia amount can be reduced with recovery section liquefied ammonia in this way, saving water resource reduces economic loss；When pressure gauge detects
When superpressure, it also can control Ammonia recovery unit and start pressure release in time, prevent storage tank from bursting, cause big leakage；Pressure gauge is still
Main checkout facility enables patrol officer to find superpressure phenomenon in time, takes appropriate measures.
Further, the liquefied ammonia leak detector includes at least two ammonia detectors, and ammonia detector is and controller
It is electrically connected.It is in the present apparatus to add several ammonia detectors more, especially it is mainly disposed to valve, pipeline connection, welding in storage tank
These are easy to happen the place of leakage at place etc., and comprehensive monitoring is carried out to liquid ammonia storage tank, finds leak point in time, locate in time
Reason.
Further, the tilt angle of the spray head on the spray piping at left and right sides of liquid ammonia storage tank is adjustable.It is logical
The spray head angle on the spray piping at left and right sides of liquid ammonia storage tank is overregulated, can pointedly be sprayed water leak point.
Further, two column are additionally provided on the spray piping of the top in the spray piping of liquid ammonia storage tank the top
The spray head being evenly spaced on, the spout of two column spray heads are respectively facing the roller shutter of two sides, are equipped on spray head for controlling
The solenoid valve that spray head processed opens or closes, solenoid valve and controller are electrically connected.When revealing serious, it can be opened by controller
Solenoid valve carries out water spray wetting to roller shutter, sprays water in this way without adding other water spraying mechanisms to roller shutter.
Further, support frame as described above includes at least two support rods.When roller shutter is opened, support rod can play roller shutter and lead
To effect, the direction of extension of roller shutter is controlled, and open roller shutter is supported.
Further, waterwall is provided with around liquid ammonia storage tank on the pedestal.Waterwall can prevent water mist more
It is unrestrained, while having both the effect of firewall.
Further, filter screen is installed at the scupper.Filter screen can prevent impurity etc. from entering in reservoir.
Detailed description of the invention
Fig. 1 is the front view of the utility model embodiment；
Fig. 2 is left view when roller shutter is packed up in the utility model embodiment；
Fig. 3 is left view when roller shutter is opened in the utility model embodiment；
Fig. 4 is the top view of the utility model embodiment.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: pedestal 1, support base 2, ammonia detector 31, spray piping 32, cut-off
Valve 33, spray head 34, roller shutter pedestal 41, support frame 42, support rod 43, roller shutter 44, curtain rolling shaft 45, motor 46, controller 5, liquid
Ammonia storage tank 6, reservoir 71, scupper 72, waterwall 73, recovery channel 81, recycling interface 82, safety valve 83.
Embodiment is basic as shown in attached drawing 1, Fig. 2, Fig. 3 and Fig. 4: a kind of emergency processing dress revealed for liquid ammonia storage tank 6
It sets, including pedestal 1, pedestal 1 is formed by concreting, and pedestal 1 is equipped with the support base 2 for being used to support liquid ammonia storage tank 6, is also wrapped
Spray unit, roller shutter unit and the controller 5 for controlling spray unit are included, it is flammable that ZCK type A leak of liquefied ammonia can be used in controller 5
Gas controller, when ammonia concentration meets or exceeds preset alarming value in environment, controller 5 can issue sound-light alarm immediately,
And start spray unit and the linkage instrument and equipment of other peripheral hardwares.
Spray unit include three spraying mechanisms, as shown in Fig. 2, spraying mechanism be located at liquid ammonia storage tank 6 surface,
Left and right side, each spraying mechanism include a set of liquefied ammonia leak detector being electrically connected with controller 5 and a spray tube
Road 32, liquefied ammonia leak detector include at least two ammonia detectors 31, and ammonia detector 31 is electrically connected with controller 5,
The model Pluto NH3/100 of ammonia detector 31, ammonia detector 31 are mainly disposed to valve, pipeline connection, storage tank weldering
These are easy to happen the place of leakage at the place of connecing etc., can carry out comprehensive monitoring to liquid ammonia storage tank 6 in this way, convenient for finding to let out in time
Dew point is handled in time.Shut-off valve 33 is equipped on three spray pipings 32, shut-off valve 33 and controller 5 are electrically connected, shut-off valve
33 can be used EF8320 explosion-proof type solenoid valve；Several spray heads 34 have been evenly spaced on spray piping 32, spray head 34
DN40 sprinkler head can be used towards liquid ammonia storage tank 6, spray head 34 in spout；Specifically, being wherein located at 6 left and right sides of liquid ammonia storage tank
Spray head 34 on spray piping 32 and tilt angle it is adjustable, VAN series angle adjustable spray head can be used, pass through adjusting
34 angle of spray head on the spray piping 32 of 6 left and right sides of liquid ammonia storage tank, can pointedly spray water leak point.
Roller shutter unit includes 41, two support frames 42 of roller shutter pedestal and the identical structure of rolling of two structures, roller shutter pedestal
41 are equipped with the cavity that can accommodate structure of rolling, are opened up below cavity there are two opening, as shown in Fig. 2, two support frames 42 tilt
It is arranged and symmetrical with the longitudinal center line of liquid ammonia storage tank 6, the upper end of support frame 42 is welded on roller shutter pedestal 41, and position
In the lower section of corresponding opening, the lower end of support frame 42 is welded on the spray piping 32 of respective side；Support frame 42 includes at least two
Root support rod 43；As shown in Figures 2 and 3, two structure of rolling are symmetrical with the longitudinal center line of liquid ammonia storage tank 6, roller shutter
Mechanism includes roller shutter 44, curtain rolling shaft 45 and motor 46, and roller shutter 44 is cooling cascade, and roller shutter 44 wraps up in volume on curtain rolling shaft 45, volume
Curtain axis 45 is rotatably connected on roller shutter pedestal 41, and the output shaft of motor 46 is connected with curtain rolling shaft 45, and motor 46 passes through driving volume
45 positive and negative rotation of curtain axis come drive roller shutter 44 open or winding；When roller shutter 44 is opened, support rod 43 can play guiding to roller shutter 44
Effect, controls the direction of extension of roller shutter 44, and is supported to open roller shutter 44.In addition, being located at 6 the top of liquid ammonia storage tank
The spray head 34 that two column are evenly spaced on is additionally provided on spray piping 32, the spout of this two column spray head 34 is respectively facing two sides
Roller shutter 44, be equipped with the solenoid valve (not shown) opened or closed for controlling spray head 34, electromagnetism on spray head 34
Valve and controller 5 are electrically connected, and the explosion-proof type solenoid valve of model ZCFK58-25MB can be used in solenoid valve；It, can when revealing serious
Solenoid valve is opened by controller 5, water spray wetting is carried out to roller shutter 44.
It further include waste water collecting unit, waste water collecting unit includes reservoir 71 and the scupper that is connected with reservoir 71
72, reservoir 71 is located in pedestal 1, and scupper 72 is arranged in a ring around liquid pipe storage tank, is equipped with filter screen at scupper 72, with
Prevent impurity etc. from entering in reservoir 71；It is provided with waterwall 73 around liquid ammonia storage tank 6 on pedestal 1, waterwall 73 is
Brick mix structure, height are arranged between 1.8~2.5 meters, and waterwall 73 can prevent water mist from diffusing, while have both the work of firewall
With.Waste water during spray dissolved with ammonia can be entered in the reservoir 71 in pedestal 1 by scupper 72, be concentrated back
Receipts processing also avoids waste ammonia liquor from flowing into water body or tidal channel, to week to prevent waste ammonia liquor from causing to corrode to liquid ammonia storage tank 6
Collarette border and water body pollute.
It further include Ammonia recovery unit, the Ammonia recovery unit includes recovery channel 81, recovery pump (not shown)
With recycling interface 82, recycling interface 82 is equipped with safety valve 83 and pressure gauge (not shown), and recycling interface 82 is arranged in liquid
The lower section of ammonia storage tank 6,81 one end of recovery channel are connected with recycling interface 82, and the other end is connected with the input end of recovery pump,
The outlet end of recovery pump can be connected with empty spare liquid ammonia storage tank or liquefied ammonia tank car；Safety valve 83, pressure gauge and recovery pump
It is electrically connected with controller 5, ZCFK58-25MB explosion-proof type solenoid valve can be used in safety valve 83, and YX-100B can be used in pressure gauge
Explosion-proof No leakage YAB15-5 ammonia pump can be used in type ammonia pressure gauge, recovery pump.When ammonia detector 31 detects A leak of liquefied ammonia
When especially severe, signal is fed back into controller 5, controller 5 controls safety valve 83 and opens, and controls recycling pump startup, will deposit
Be transferred in spare liquid ammonia storage tank or liquefied ammonia tank car in the liquefied ammonia in the liquid ammonia storage tank 6 of leakage, in this way can with recovery section liquefied ammonia,
A leak of liquefied ammonia amount is reduced, saving water resource reduces economic loss；When pressure gauge detects superpressure, Ammonia recovery list also can control
First starting pressure release in time, prevents liquid ammonia storage tank 6 from bursting, causes big leakage；Pressure gauge or main checkout facility, make inspection
Personnel can have found superpressure phenomenon in time, take appropriate measures.
Specific implementation process is as follows:
When ammonia detector 31 detects that leakage situation occurs in liquid ammonia storage tank 6, signal is fed back into controller 5, ammonia control
Device 5 processed receives signal and issues sound-light alarm in time, scene or surrounding people can be known at the first time, while controller 5 is beaten
The shut-off valve 33 on corresponding spray piping 32 is opened, spray head 34 sprays water to leak point, absorbs the ammonia leaked, prevents
Only ammonia spreads and safety accident occurs；The comprehensive encirclement of progress of three spraying mechanisms to liquid ammonia storage tank 6, can be timely and effective
Ground clicks through shape spray to the leakage of 6 lower position of liquid ammonia storage tank, avoids ammonia from spreading, influences ambient enviroment；When liquid ammonia storage tank 6 is let out
When revealing serious, motor 46 is started by controller 5, opens roller shutter 44, water suction forms water curtain wall after roller shutter 44 is unfolded, can be further
The assimilation effect to leakage ammonia is improved, and prevents ammonia from spreading, usually can also play anti-sunlight function to liquid ammonia storage tank 6.
Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure
Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence
The effect and patent practicability that the utility model is implemented.
Claims (10)
1. a kind of emergency treatment device for liquid ammonia storage tank leakage, including pedestal, pedestal are equipped with and are used to support liquid ammonia storage tank
Support base, it is characterised in that: further include spray unit, roller shutter unit and the controller for controlling spray unit, the spray
Drenching unit includes three spraying mechanisms, and spraying mechanism is located at the left and right side of the surface of liquid ammonia storage tank, liquid ammonia storage tank,
Each spraying mechanism includes a set of and the liquefied ammonia leak detector and a spray piping of controller electric connection, on spray piping
Equipped with several spray heads, the spout of spray head is towards liquid ammonia storage tank；Roller shutter unit includes roller shutter pedestal, two support frames and two
The identical structure of rolling of structure, roller shutter pedestal, which is equipped with, can accommodate the cavity of structure of rolling, be set below cavity there are two opening, two
Support frame is obliquely installed and symmetrical with the longitudinal center line of liquid ammonia storage tank, and the upper end of support frame is fixedly connected on roller shutter base
On seat, and it is located at the lower section of corresponding opening, the lower end of support frame is fixedly connected on the spray piping of respective side；Two shutters
Structure is symmetrical with the longitudinal center line of liquid ammonia storage tank, and structure of rolling includes roller shutter, curtain rolling shaft and motor, and roller shutter is cooling
Cascade, roller shutter wrap up in volume on curtain rolling shaft, and curtain rolling shaft is rotatably connected on roller shutter pedestal, and motor is for driving curtain rolling shaft to rotate.
2. a kind of emergency treatment device for liquid ammonia storage tank leakage according to claim 1, it is characterised in that: further include
Waste water collecting unit, waste water collecting unit include reservoir and the scupper that is connected with reservoir, and reservoir is set in the base,
Scupper is arranged in a ring around liquid pipe storage tank.
3. a kind of emergency treatment device for liquid ammonia storage tank leakage according to claim 2, it is characterised in that: further include
Ammonia recovery unit, the Ammonia recovery unit include recovery channel, recovery pump, recycling interface, and recycling interface is equipped with safety
The lower section of liquid ammonia storage tank is arranged in valve and pressure gauge, recycling interface, and recovery channel one end is connected with recycling interface, the other end and
The input end of recovery pump is connected, and safety valve, pressure gauge and recovery pump are electrically connected with controller.
4. a kind of emergency treatment device for liquid ammonia storage tank leakage according to claim 3, it is characterised in that: the liquid
Ammonia leak detector includes at least two ammonia detectors, and ammonia detector is electrically connected with controller.
5. a kind of emergency treatment device for liquid ammonia storage tank leakage according to claim 4, it is characterised in that: be located at liquid
The tilt angle of the spray head on spray piping at left and right sides of ammonia storage tank is adjustable.
6. a kind of emergency treatment device for liquid ammonia storage tank leakage according to claim 5, it is characterised in that: be located at liquid
It is additionally provided with the spray head that two column are evenly spaced on the spray piping of the top in the spray piping of ammonia storage tank the top,
The spout of two column spray heads is respectively facing the roller shutter of two sides.
7. a kind of emergency treatment device for liquid ammonia storage tank leakage according to claim 6, it is characterised in that: the spray
Shower pipe road is equipped with shut-off valve, and shut-off valve and controller are electrically connected, be equipped on spray head for control spray head open or
The solenoid valve of closing, solenoid valve and controller are electrically connected.
8. a kind of emergency treatment device for liquid ammonia storage tank leakage according to claim 7, it is characterised in that: the branch
Support includes at least two support rods.
9. a kind of emergency treatment device for liquid ammonia storage tank leakage according to claim 8, it is characterised in that: the bottom
Waterwall is provided with around liquid ammonia storage tank on seat.
10. a kind of emergency treatment device for liquid ammonia storage tank leakage according to claim 9, it is characterised in that: described
Filter screen is installed at scupper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920428978.6U CN209725852U (en) | 2019-03-29 | 2019-03-29 | A kind of emergency treatment device for liquid ammonia storage tank leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920428978.6U CN209725852U (en) | 2019-03-29 | 2019-03-29 | A kind of emergency treatment device for liquid ammonia storage tank leakage |
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| Publication Number | Publication Date |
|---|---|
| CN209725852U true CN209725852U (en) | 2019-12-03 |
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ID=68689709
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920428978.6U Expired - Fee Related CN209725852U (en) | 2019-03-29 | 2019-03-29 | A kind of emergency treatment device for liquid ammonia storage tank leakage |
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| CN (1) | CN209725852U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111195476A (en) * | 2020-03-12 | 2020-05-26 | 北京北控京奥建设有限公司 | A water smoke curtain injection apparatus for emergent processing of liquid ammonia leakage |
| CN111829726A (en) * | 2020-07-21 | 2020-10-27 | 中国安全生产科学研究院 | Monitoring test system for liquid ammonia leakage accident |
| CN113154254A (en) * | 2021-05-18 | 2021-07-23 | 重庆安全技术职业学院 | A emergency treatment device for liquid ammonia storage tank is revealed |
| CN113634092A (en) * | 2021-10-18 | 2021-11-12 | 胜利油田华海石化有限责任公司 | Reveal ammonia absorbing device |
| CN114011181A (en) * | 2022-01-04 | 2022-02-08 | 唐山瑞丰钢铁（集团）有限公司 | Dust suppression device and method for hot coil box |
| CN114484260A (en) * | 2022-02-11 | 2022-05-13 | 内蒙古中科装备有限公司 | Liquid hydrogen storage tank with emergency purging function |
| CN114873093A (en) * | 2022-05-07 | 2022-08-09 | 铜陵有色兴铜机电制造有限公司 | Hydrogen peroxide storage tank |
| CN117983040A (en) * | 2024-01-16 | 2024-05-07 | 浙江华南环保装备股份有限公司 | Emergency absorption device for liquid chlorine volatilization steam treatment |
-
2019
- 2019-03-29 CN CN201920428978.6U patent/CN209725852U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111195476A (en) * | 2020-03-12 | 2020-05-26 | 北京北控京奥建设有限公司 | A water smoke curtain injection apparatus for emergent processing of liquid ammonia leakage |
| CN111195476B (en) * | 2020-03-12 | 2022-02-15 | 北京北控京奥建设有限公司 | A water smoke curtain injection apparatus for emergent processing of liquid ammonia leakage |
| CN111829726A (en) * | 2020-07-21 | 2020-10-27 | 中国安全生产科学研究院 | Monitoring test system for liquid ammonia leakage accident |
| CN113154254A (en) * | 2021-05-18 | 2021-07-23 | 重庆安全技术职业学院 | A emergency treatment device for liquid ammonia storage tank is revealed |
| CN113154254B (en) * | 2021-05-18 | 2022-07-22 | 重庆安全技术职业学院 | A emergency treatment device for liquid ammonia storage tank is revealed |
| CN113634092A (en) * | 2021-10-18 | 2021-11-12 | 胜利油田华海石化有限责任公司 | Reveal ammonia absorbing device |
| CN114011181A (en) * | 2022-01-04 | 2022-02-08 | 唐山瑞丰钢铁（集团）有限公司 | Dust suppression device and method for hot coil box |
| CN114011181B (en) * | 2022-01-04 | 2022-04-01 | 唐山瑞丰钢铁（集团）有限公司 | Dust suppression device and method for hot coil box |
| CN114484260A (en) * | 2022-02-11 | 2022-05-13 | 内蒙古中科装备有限公司 | Liquid hydrogen storage tank with emergency purging function |
| CN114873093A (en) * | 2022-05-07 | 2022-08-09 | 铜陵有色兴铜机电制造有限公司 | Hydrogen peroxide storage tank |
| CN117983040A (en) * | 2024-01-16 | 2024-05-07 | 浙江华南环保装备股份有限公司 | Emergency absorption device for liquid chlorine volatilization steam treatment |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 Termination date: 20210329 |