CN106824696B - Method for treating ammonia leakage of freezing device by synchronous spraying isolation and spray adsorption - Google Patents
Method for treating ammonia leakage of freezing device by synchronous spraying isolation and spray adsorption Download PDFInfo
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- CN106824696B CN106824696B CN201611256342.5A CN201611256342A CN106824696B CN 106824696 B CN106824696 B CN 106824696B CN 201611256342 A CN201611256342 A CN 201611256342A CN 106824696 B CN106824696 B CN 106824696B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
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- 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
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
- B05B9/0406—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material with several pumps
Abstract
A method for synchronously spraying, isolating and spraying, adsorbing and disposing ammonia leakage of a freezing device is characterized in that an emergency system for synchronously spraying, isolating and spraying, adsorbing and disposing ammonia leakage of the freezing device is arranged at the periphery of the freezing device adopting ammonia as a refrigerating medium, the emergency system for synchronously spraying, isolating, adsorbing and disposing ammonia leakage of the freezing device comprises a water curtain water supply pipe, the water curtain water supply pipe is arranged above the position of 0.3-0.8 m outside the periphery of the freezing device adopting ammonia as the refrigerating medium in a surrounding mode along the horizontal direction, a plurality of water curtain spray heads are installed on the water curtain water supply pipe, and the plurality of water curtain spray heads can spray water downwards along the vertical direction to form a continuous water curtain surrounding the side face of the periphery of the whole freezing device. The method for treating ammonia leakage of the freezing device by synchronous spraying isolation and spraying adsorption is reasonable in layout design, high in stability, flexible in operation and quick in reaction, can accurately detect ammonia leakage, and provides safety guarantee for emergency treatment and personnel evacuation.
Description
Technical Field
The invention relates to a method for treating ammonia leakage of a freezing device by synchronous spray isolation and spray adsorption.
Background
The ammonia has the advantages of small specific gravity and viscosity, high heat release coefficient, low price, easy obtainment and no damage to an ozone layer, so the ammonia is widely applied to the modern industrial refrigeration process, particularly the ammonia is generally adopted as a refrigeration medium in a freezing device, but the ammonia has stronger toxicity, flammability and explosiveness, once the leakage is easy to cause serious accidents, the existing emergency disposal mode for the leaked ammonia is generally interlocking air exhaust or spray isolation, but the comprehensive and efficient emergency disposal can not be realized, and the larger accident risk exists. Considering the characteristic that ammonia is very soluble in water, only when the leaked ammonia is sprayed, isolated and blocked to overflow and is treated by spray adsorption, the emergency treatment of the ammonia leakage field can be really and quickly and effectively carried out at the first time, the diffusion of the leaked ammonia is prevented, and accidents such as personal casualties, property loss, environmental damage and the like are avoided.
Disclosure of Invention
The invention aims to provide a method for treating ammonia leakage of a freezing device by synchronous spraying isolation and spraying adsorption, which has the advantages of reasonable layout design, high stability, flexible operation, quick response, accurate ammonia leakage detector and safety guarantee for emergency treatment and personnel evacuation.
The invention discloses a method for treating ammonia leakage of a freezing device by synchronous spray isolation and spray adsorption, which comprises the following steps:
A. the method comprises the following steps that an emergency system for synchronously spraying, isolating and spraying, adsorbing and disposing ammonia leakage of a freezing device by taking ammonia as a refrigerating medium is arranged at the periphery of the freezing device, the emergency system for synchronously spraying, isolating and spraying, adsorbing and disposing ammonia leakage of the freezing device comprises a water curtain water supply pipe, the water curtain water supply pipe is arranged above the position 0.3-0.8 m away from the periphery of the freezing device taking ammonia as the refrigerating medium in a surrounding mode along the horizontal direction, a plurality of water curtain spray heads are mounted on the water curtain water supply pipe and can spray water downwards to form a continuous water curtain surrounding the peripheral side face of the whole freezing device, the water curtain water supply pipe is located 0.5-1.5 m above the top end of the freezing device, a water inlet of the water curtain water supply pipe is connected with a water outlet of a water curtain water pipe, and a water curtain water supply control electric valve and a water curtain;
a plurality of water mist water supply pipes are arranged in the annular ring of the water curtain water supply pipe along the left-right horizontal direction or the front-back horizontal direction, a plurality of water mist spray heads are respectively arranged on each water mist water supply pipe, the plurality of water mist spray heads can spray water downwards to form water mist covering the top of the whole freezing device, the distance between the water mist water supply pipe adjacent to the water curtain water supply pipe and the adjacent water mist water supply pipe is 0.3-0.8 m, the distance between the adjacent water mist water supply pipes is 0.6-1.2 m, water inlets of the plurality of water mist water supply pipes are connected with water outlets of the water mist water delivery pipe, and a water mist water supply control electric valve and a water mist water supply pump are connected in;
an ammonia gas detector capable of detecting ammonia gas leakage is arranged above or outside the water curtain water supply pipe;
the ammonia gas detector, the water curtain water supply control electric valve, the water curtain water supply water pump, the water mist water supply control electric valve and the water mist water supply water pump are connected with an electric control system;
B. keeping the power supply of the ammonia gas detector normally open, when the concentration of the ammonia gas detector reaches 100 ppm-150 ppm, the ammonia concentration is stabilized in the range for 1.0-3.0 seconds, the electric control system controls the electric valve to be communicated with the water curtain water delivery pipe through the water curtain water supply, the electric valve is controlled by the water spray supply to connect the water spray delivery pipe, and the water curtain water supply pump and the water spray water supply pump are started, the water output by the water curtain water supply pump is delivered to the water curtain water supply pipe and each water curtain nozzle through the water curtain delivery pipe and is sprayed downwards through each water curtain nozzle, a compact water curtain is formed around the freezing device in the state of ammonia leakage, and simultaneously, water output by the water mist water supply pump is conveyed to the water mist water supply pipe and each water mist nozzle through the water mist water conveying pipe, and the water mist is sprayed out downwards through all the water mist spray nozzles, so that the top of the freezing device in the state of ammonia leakage is completely covered by the water mist sprayed downwards.
Furthermore, the ammonia gas detector is located 0.9-2.0 m above the top end of the freezing device, a suction inlet of the ammonia gas detector faces the freezing device, the distance between every two adjacent water mist spray heads is 0.3-0.8 m, and the distance between every two adjacent water curtain spray heads is 0.6-1.2 m.
Furthermore, the water curtain water supply pipe is a rectangular ring, the ammonia gas detector is positioned at a position 1.0-1.8 m above the top end of the freezing device, the distance between every two adjacent water mist spray heads is 0.4-0.7 m, and the distance between every two adjacent water curtain spray heads is 0.7-1.1 m.
Further, the water curtain supply pipe and the water mist supply pipe are respectively fixed on the bracket.
Further, the support is made of square tubes.
Furthermore, the water curtain water supply pipes are located 0.7 m-1.2 m above the top end of the freezing device, and the distance between every two adjacent water mist water supply pipes is 0.8 m-1.0 m.
The method for treating ammonia leakage of the freezing device by synchronous spray isolation and spray adsorption comprises the following steps: when the ammonia gas detector detects that ammonia gas leaks, the water curtain water supply control electric valve is connected with the water curtain water delivery pipe, the water curtain water supply pump is started, water output by the water curtain water supply pump is conveyed to the water curtain water delivery pipe and each water curtain nozzle through the water curtain water delivery pipe and is sprayed downwards through each water curtain nozzle, a water curtain capable of sealing ammonia gas is formed around the freezing device in the state of leaking ammonia gas to prevent the leaked ammonia gas from overflowing to the periphery, the water curtain water supply pump is started, meanwhile, the water fog water delivery pipe is also synchronously connected through the water fog water supply control electric valve, the water fog water supply pump is started, water output by the water fog water supply pump is conveyed to the water fog water delivery pipe and each water fog nozzle through the water fog water delivery pipe and is sprayed downwards through each water fog nozzle, and the freezing device in the state of ammonia leakage is completely covered by the downwards sprayed water fog, therefore, the leaked ammonia can be prevented from exceeding the isolation water curtain to escape upwards and around, so that the leaked ammonia is limited in the isolation water curtain and the isolation water mist protection area, and the effective isolation of field personnel is realized. Therefore, the emergency system for synchronously spraying, isolating, spraying, adsorbing and disposing the ammonia leakage of the freezing device has the characteristics of reasonable layout and design, high stability, flexible operation, quick response, capability of accurately detecting the ammonia leakage and capability of providing safety guarantee for emergency disposal and personnel evacuation.
The foregoing is a summary of the present invention, and in order to provide a clear understanding of the technical means of the present invention and to be implemented in accordance with the present specification, the following is a detailed description of the preferred embodiments of the present invention.
The following examples are given to further illustrate the embodiments of the present invention. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Drawings
Fig. 1 is a schematic structural diagram of an emergency system for treating ammonia leakage of a freezing device by synchronous spray isolation and spray adsorption.
Detailed Description
The invention discloses a method for treating ammonia leakage of a freezing device by synchronous spray isolation and spray adsorption, which comprises the following steps:
A. an emergency system for synchronously spraying, isolating and spraying ammonia to adsorb leaked ammonia is arranged around a freezing device adopting ammonia as a refrigerating medium, as shown in fig. 1, the emergency system for synchronously spraying, isolating, spraying, adsorbing and handling ammonia leakage of a freezing device comprises a water curtain water supply pipe 1, wherein the water curtain water supply pipe 1 is arranged above a position 0.3 m-0.8 m outside the periphery of the freezing device using ammonia as a refrigerating medium in a surrounding manner along the horizontal direction, a plurality of water curtain spray heads 2 are arranged on the water curtain water supply pipe 1, the plurality of water curtain spray heads 2 can spray water downwards along the vertical direction to form a continuous water curtain surrounding the peripheral side surface of the whole freezing device, the water curtain water supply pipe 1 is positioned 0.5 m-1.5 m above the top end of the freezing device, a water inlet of the water curtain water supply pipe 1 is connected with a water outlet of a water curtain water conveying pipe 3, and a water curtain water supply control electric valve 4 and a water curtain water supply pump 5 are;
a plurality of water mist supply pipes 6 are arranged in the annular ring of the water curtain supply pipe 1 along the left-right horizontal direction or the front-back horizontal direction, a plurality of water mist spray heads 7 are respectively arranged on each water mist supply pipe 6, the plurality of water mist spray heads 7 can spray water downwards to form water mist covering the top of the whole freezing device, the distance between the water mist supply pipe 6 adjacent to the water curtain supply pipe 1 and the adjacent water curtain supply pipe 1 is 0.3-0.8 m, the distance between the adjacent water mist supply pipes 6 is 0.6-1.2 m, the water inlets of the plurality of water mist supply pipes 6 are connected with the water outlets of the water mist water conveying pipe 8, and a water mist water supply control electric valve 9 and a water mist water supply water pump 10 are connected in series on the water mist water conveying pipe;
an ammonia gas detector capable of detecting ammonia gas leakage is arranged above or outside the water curtain water supply pipe 1, and a suction inlet of the ammonia gas detector faces the freezing device;
the ammonia gas detector, the water curtain water supply control electric valve 4, the water curtain water supply water pump 5, the water mist water supply control electric valve 9 and the water mist water supply water pump 10 are connected with an electric control system;
B. keeping the power supply of the ammonia gas detector normally open, when the concentration of the ammonia gas detector reaches 100 ppm-150 ppm, the ammonia gas concentration is stabilized in the range for 1.0 second-3.0 seconds, an electric control system is connected with a water curtain water supply control electric valve 4 through a water curtain water supply control electric valve 3, is connected with a water spray water supply pipe 8 through a water spray water supply control electric valve 9, and then starts a water curtain water supply pump 5 and a water spray water supply pump 10, water output by the water curtain water supply pump 5 is conveyed to the water curtain water supply pipe 1 and each water curtain nozzle 2 through the water curtain water supply pipe 3 and is sprayed downwards through each water curtain nozzle 2, a compact water curtain is formed around the freezing device in the state of ammonia leakage, meanwhile, water output by the water spray water supply pump 10 is conveyed to the water spray water supply pipe 6 and each water spray nozzle 7 through the water spray water supply pipe 8 and is sprayed downwards through each water spray nozzle 7, the top of the freezing device in the ammonia leakage state is completely covered by the water mist sprayed downwards.
As a further improvement of the invention, the ammonia gas detector is positioned at a position of 0.9-2.0 m above the top end of the freezing device, the distance between adjacent water mist spray heads 7 is 0.3-0.8 m, and the distance between adjacent water curtain spray heads 2 is 0.6-1.2 m.
As a further improvement of the invention, the water curtain water supply pipe 1 is a rectangular ring, the ammonia gas detector is positioned at a position 1.0 m-1.8 m above the top end of the freezing device, the distance between adjacent water mist spray heads is 0.4 m-0.7 m, and the distance between adjacent water curtain spray heads 2 is 0.7 m-1.1 m.
As a further improvement of the present invention, the water curtain supply pipe 1 and the mist supply pipe 6 are fixed to the bracket 11, respectively.
As a further improvement of the present invention, the bracket 11 is made of a square tube.
As a further improvement of the invention, the water curtain supply pipes 1 are located 0.7m to 1.2m above the top end of the freezing device, and the distance between adjacent water mist supply pipes 6 is 0.8m to 1.0 m.
The invention creatively provides a method for synchronously spraying, isolating and spraying, adsorbing and treating ammonia leakage of a freezing device. Meanwhile, because ammonia is easy to diffuse and escape, toxic, flammable and explosive, the distance between the water curtain water supply pipe 1 and the water mist water supply pipe 2 and the freezing device, the distance between the water curtain water supply pipe 1 and the nearest water mist water supply pipe, the distance between the water mist water supply pipes, the distance between the water curtain spray heads, the distance between the water mist spray heads, the distance between the ammonia gas detector and the freezing device and the ammonia gas alarm concentration must be strictly controlled, the distance between the water curtain water supply pipe and the water mist water supply pipe and the freezing device, the distance between the water curtain water supply pipe and the nearest water mist water supply pipe, the distance between the water mist water supply pipes, the distance between the water curtain spray heads and the water mist spray head are overlarge, a space for leakage ammonia to escape and overflow is provided, if the distance is too small, unnecessary expenditure is increased, if the distance between the ammonia gas detector 6 and the freezing device is too large, the system cannot be, the emergency disposal can not be carried out efficiently, if the alarm concentration of the ammonia gas detector is set to be too high, the emergency disposal system is not started timely, serious accidents are easily caused, and if the alarm concentration is set to be too low, the system is not started frequently. Through a large number of experiments, the water curtain water supply pipe is 0.3-0.8 m outside the freezing device, the distance between the water curtain water supply pipe and the water mist water supply pipe at the edge is 0.3-0.8 m, the distance between the water mist water supply pipes is 0.6-1.2 m, the distance between the water curtain spray heads is 0.6-1.2 m, the distances between the water mist spray heads are 0.3-0.8 m respectively, the distance between the ammonia gas detector and the freezing device is 0.9-2.0 m, the alarm direction of the ammonia gas detector is 100-150 ppm, the alarm stability waiting time of the ammonia gas detector is 1.0-3.0 seconds, under the condition, the high-efficiency and full-coverage emergency disposal of ammonia leakage of the freezing device can be realized, and precious time and escape space are reserved for subsequent emergency work such as evacuation of personnel and the like.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The method for treating ammonia leakage of the freezing device by synchronous spray isolation and spray adsorption is characterized by comprising the following steps of:
a, the content of the first layer is determined, the method comprises the steps that an emergency system for synchronously spraying, isolating and spraying, adsorbing and disposing ammonia leakage of a freezing device by using ammonia as a refrigerating medium is arranged on the periphery of the freezing device, the emergency system for synchronously spraying, isolating and spraying, adsorbing and disposing ammonia leakage of the freezing device comprises a water curtain water supply pipe (1), the water curtain water supply pipe (1) is arranged above the position 0.3-0.8 m outside the periphery of the freezing device using ammonia as the refrigerating medium in a surrounding mode along the horizontal direction, a plurality of water curtain spray heads (2) are installed on the water curtain water supply pipe (1), the plurality of water curtain spray heads (2) can spray water downwards to form a continuous water curtain surrounding the peripheral side face of the whole freezing device, the water curtain water supply pipe (1) is located 0.5-1.5 m above the top end of the freezing device, a water inlet of the water curtain water supply pipe (1) is connected with a water outlet of a water curtain water delivery pipe (3), and a water curtain water supply control electric valve (4) and a;
a plurality of water mist water supply pipes (6) are arranged in an annular ring of the water curtain water supply pipe (1) along the left-right horizontal direction or the front-back horizontal direction, a plurality of water mist spray heads (7) are respectively arranged on each water mist water supply pipe (6), the plurality of water mist spray heads (7) can spray water downwards to form water mist covering the top of the whole freezing device, the distance between the water mist water supply pipe (6) adjacent to the water curtain water supply pipe (1) and the adjacent water curtain water supply pipe (1) is 0.3 m-0.8 m, the distance between the adjacent water mist water supply pipes (6) is 0.6 m-1.2 m, water inlets of the plurality of water mist water supply pipes (6) are connected with water outlets of the water mist water delivery pipe (8), and a water mist water supply control electric valve (9) and a water mist water supply pump (10) are connected in series on the;
an ammonia gas detector capable of detecting ammonia gas leakage is arranged above or outside the water curtain water supply pipe (1);
the ammonia gas detector, the water curtain water supply control electric valve (4), the water curtain water supply water pump (5), the water mist water supply control electric valve (9) and the water mist water supply water pump (10) are connected with an electric control system;
B. keeping the power supply of the ammonia gas detector normally open, when the concentration of the ammonia gas detector reaches 100-150 ppm, the time of the ammonia gas concentration is stabilized in the range of 1.0-3.0 seconds, an electric control system is connected with a water curtain water supply control electric valve (4) through a water curtain water supply control electric valve (3), is connected with a water fog water supply pipe (8) through a water fog water supply control electric valve (9), and then starts a water curtain water supply pump (5) and a water fog water supply pump (10), water output by the water curtain water supply pump (5) is conveyed to the water curtain water supply pipe (1) and each water curtain nozzle (2) through the water curtain water supply pipe (3) and is downwards sprayed out through each water curtain nozzle (2), a water curtain is formed around a freezing device in an ammonia leakage state, and water output by the water fog water supply pump (10) is conveyed to the water supply pipe (6) and each water fog nozzle (7) through the water fog water supply pipe (8), and downwards spraying out through each water mist spray head (7), so that the top of the freezing device in the ammonia leakage state is completely covered by the downwards sprayed water mist;
the water curtain water supply pipe (1) and the water mist water supply pipe (6) are respectively fixed on the bracket (11);
the ammonia gas detector is located 0.9-2.0 m above the top end of the freezing device, a suction inlet of the ammonia gas detector faces the freezing device, the distance between every two adjacent water mist spray heads (7) is 0.3-0.8 m, and the distance between every two adjacent water curtain spray heads (2) is 0.6-1.2 m.
2. The method for handling ammonia slip from a freezing apparatus by simultaneous spray isolation and spray adsorption of claim 1, wherein: the water curtain water supply pipe (1) is a rectangular ring, the ammonia gas detector is located at a position 1.0-1.8 m above the top end of the freezing device, the distance between every two adjacent water mist spray heads is 0.4-0.7 m, and the distance between every two adjacent water curtain spray heads (2) is 0.7-1.1 m.
3. The method for handling ammonia leakage from a freezing device by simultaneous spray isolation and spray adsorption as claimed in claim 1 or 2, wherein: the support (11) is made of square tubes.
4. The method for handling ammonia slip from a freezing apparatus by simultaneous spray isolation and spray adsorption of claim 3, wherein: the water curtain water supply pipes (1) are located 0.7-1.2 m above the top end of the freezing device, and the distance between every two adjacent water mist water supply pipes (6) is 0.8-1.0 m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611256342.5A CN106824696B (en) | 2016-12-30 | 2016-12-30 | Method for treating ammonia leakage of freezing device by synchronous spraying isolation and spray adsorption |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611256342.5A CN106824696B (en) | 2016-12-30 | 2016-12-30 | Method for treating ammonia leakage of freezing device by synchronous spraying isolation and spray adsorption |
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| CN106824696B true CN106824696B (en) | 2020-12-18 |
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| CN107899363B (en) * | 2017-12-22 | 2020-01-03 | 中国安全生产科学研究院 | Method for emergency disposal of ammonia leaked from liquid ammonia storage tank through water spray adsorption |
| CN111189251B (en) * | 2018-11-15 | 2021-12-21 | 重庆海尔空调器有限公司 | Refrigerating equipment |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001327978A (en) * | 2000-05-22 | 2001-11-27 | Ishikawajima Harima Heavy Ind Co Ltd | Ammonia removing system |
| CN201613193U (en) * | 2010-03-17 | 2010-10-27 | 北京市自来水集团有限责任公司 | Spray nozzle |
| CN203291694U (en) * | 2013-06-09 | 2013-11-20 | 山西太钢不锈钢股份有限公司 | Spraying device of water curtain wall of ammonia station |
| CN203463940U (en) * | 2013-09-26 | 2014-03-05 | 山西大唐国际临汾热电有限责任公司 | Liquid ammonia leakage prevention device for denitration in thermal power plant |
| CN204933229U (en) * | 2015-07-29 | 2016-01-06 | 南通天泽化工有限公司 | Ammonia storage tank overtemperature or leakage automatic spray cooling absorption system device |
| CN205599377U (en) * | 2016-03-31 | 2016-09-28 | 甘肃巨鹏清真食品股份有限公司 | Store ammonia jar atomizing spray set |
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