CN213547899U - Static electricity eliminating device for preparing gas ammonia - Google Patents
Static electricity eliminating device for preparing gas ammonia Download PDFInfo
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- CN213547899U CN213547899U CN202022123697.5U CN202022123697U CN213547899U CN 213547899 U CN213547899 U CN 213547899U CN 202022123697 U CN202022123697 U CN 202022123697U CN 213547899 U CN213547899 U CN 213547899U
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Abstract
The utility model discloses an electrostatic elimination device for gas ammonia preparation, including the liquid ammonia storage tank, be equipped with the cofferdam around the liquid ammonia storage tank, the adjacent department of cofferdam is equipped with liquid ammonia crane jib for unloading, and liquid ammonia crane jib for unloading is equipped with the crane jib guardrail all around, sets up explosion-proof static ground control system in crane jib guardrail department of unloading, explosion-proof static ground control system includes the static electricity ground control ware that is used for carrying out electrostatic treatment in the process of unloading and is used for the static eliminator, explosion-proof acousto-optic alarm appearance and the human static electricity discharge alarm appearance of explosion-proof that human static was handled; and spraying equipment for cooling the tank body is also arranged in the cofferdam around the liquid ammonia storage tank. The utility model provides a have the problem of the unable cooling of static and jar body in the existing equipment use. The utility model provides a can guarantee operating personnel safety and system production safety.
Description
Technical Field
The utility model belongs to the safety protection field of gas ammonia preparation, concretely relates to an electrostatic elimination device for gas ammonia preparation.
Background
The main process medium of the liquid ammonia storage tank unit is ammonia, the explosion danger area division of a production place belongs to a 2 area, and the fire hazard classification belongs to a B type. The principle of equipment arrangement is to meet the requirements of safe production and process flow, and the requirements of equipment and pipeline installation, operation, maintenance and the like need to be combined. The equipment is provided with an overpressure venting safety valve, and a main pipe of the torch is vented after venting; the instrument in the device is subjected to explosion-proof treatment and is provided with toxic combustible gas detection, linkage and alarm.
In winter, the climate is dry, static is easy to breed, and in order to ensure the safety of operators and the safety of system production, the static elimination treatment needs to be carried out on the gas ammonia equipment. In summer, the weather is hot, and the tank body needs to be cooled down in order to ensure the safe operation of the storage tank.
Disclosure of Invention
In order to overcome the defect that there is static and the unable cooling of jar body in the current gas ammonia preparation equipment use, the utility model provides a can guarantee the static-electricity elimination device for gas ammonia preparation of operating personnel safety and system production safety.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:
the utility model provides an electrostatic elimination device for gas ammonia preparation, includes the liquid ammonia storage tank, be equipped with the cofferdam around the liquid ammonia storage tank, the neighbouring department in cofferdam is equipped with the liquid ammonia crane pipe that unloads, and the liquid ammonia crane pipe that unloads is equipped with all around and unloads ammonia crane pipe guardrail, sets up explosion-proof static ground control system unloading ammonia crane pipe guardrail department, explosion-proof static ground control system is including being used for unloading the in-process to carry out the explosion-proof static ground controller of electrostatic treatment and being used for the electrostatic eliminator, explosion-proof acousto-optic alarm appearance and the human electrostatic discharge alarm appearance of explosion-proof static discharge that human electrostatic discharge handled, electrostatic eliminator, explosion-proof static ground controller, explosion-proof acousto-optic alarm appearance and explosion-proof human electrostatic discharge alarm appearance adopt the ground connection trunk to be connected through static earth.
Further, the explosion-proof electrostatic grounding controller is also electrically connected with the equipment operation switch.
Preferably, the static eliminator is at least three, and first setting is by liquid ammonia storage tank cofferdam step, and the second setting is in liquid ammonia storage tank cofferdam and the perpendicular side of step, and the third setting is near unloading ammonia oil filling riser guardrail, guarantees that the staff gets into to eliminate static before the operation and ensures safety.
Preferably, the explosion-proof sound-light alarm instrument and the explosion-proof human body static electricity discharge alarm instrument are arranged around the cofferdam, and alarm is given in time when the static electricity elimination device breaks down, so that the cofferdam is another safety for protecting the safety of operators and equipment.
Furthermore, the liquid ammonia storage tank be located the cofferdam all around and still be equipped with the spray ring pipe of fixing through ring pipe support, the spray ring pipe is located liquid ammonia storage tank side and evenly is connected with the water smoke shower nozzle through spray branch along the circumference, and spray ring pipe opposite side is connected with buried fire water main through fire water branch pipe.
Furthermore, a Y-shaped filter, a check valve and a butterfly valve which are used for preventing the blockage of the spraying device and conveniently controlling the spraying and water supplying are arranged on the fire water branch pipe.
Furthermore, the spray branch pipe and the fire water branch pipe are connected by concentric reducing hoop pipe fittings, and the four corners of the spray ring pipe are connected by hoop elbows.
Preferably, the connection part of the spraying branch pipe and the water mist spray head is connected through a screw thread.
The liquid ammonia storage tank fire control considers that an outdoor fire protection system is used as a main fire protection facility, the supplementary spraying setting is used as an absorption measure after liquid ammonia leakage, a fire protection water main pipe is used for water diversion in the east-west trend of a cofferdam in the positive north direction of an equipment liquid ammonia storage tank (V-83101), and a fire protection water branch pipe is added for storage tank spraying water supply. The spray pipelines are all galvanized seamless steel pipes, and the pipe diameter of a fire water branch pipe main pipe led out from the fire water main pipe is DN 100. The pipe diameter of the main pipe of the spraying ring pipe is DN65, the main pipe of the fire-fighting water branch pipe is connected with the concentric reducing hoop pipe fitting, the top view of the main pipe of the spraying ring pipe is rectangular, the four corners of the main pipe of the spraying ring pipe are connected through hoop elbows, and the spraying ring pipe is convenient to detach and overhaul. The branch pipes of the water mist spray head have the diameter of DN25 and are uniformly distributed on the main pipe of the spray ring pipe at 18 positions, and the end points are connected with the ZSTVB/SL-S232-22-90 water mist spray head by screw threads, so that the spray head is convenient to disassemble and maintain. The installation height of the main pipe of the spraying ring pipe is flush with the operation platform at the top of the storage tank, and the ring pipe support is formed by extending angle steel through welding of a platform steel structure, so that the ring pipe support is convenient to install.
The climate is dry in winter, static is easy to breed, and the static eliminating device ensures the safety of operators and the safety of system production. Summer climate is hot, and the safe operation of storage tank has been guaranteed to storage tank fire extinguishing system, and high temperature day ring jar sprays and to open and cool down the jar body, guarantees the stability of storage tank body structure. The utility model discloses from after using respond well, the effect is huge, has given the powerful guarantee to the safety of people and system.
Drawings
The invention will be further described with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of the present invention;
description of reference numerals: 1. liquid ammonia storage tank, 2, cofferdam, 3, liquid ammonia unloading filling riser, 4, unload ammonia filling riser guardrail, 5, explosion-proof static ground connection controller, 6, static eliminator, 7, explosion-proof reputation alarm, 8, explosion-proof human static release alarm, 9, ground connection main line, 10, compression factory building ground net, 11, bury fire water and be responsible for, 12, fire water branch pipe, 13, spray ring pipe, 14, water smoke shower nozzle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
As shown in fig. 1, the static elimination apparatus for preparing gaseous ammonia of the present embodiment includes a liquid ammonia tank 1, a cofferdam 2 is arranged around the liquid ammonia storage tank 1, a liquid ammonia unloading crane pipe 3 is arranged at the position adjacent to the cofferdam 2, an ammonia unloading crane pipe guardrail 4 is arranged around the liquid ammonia unloading crane pipe 3, an anti-explosion electrostatic grounding control system is arranged at the guardrail 4 of the ammonia unloading arm, the anti-explosion electrostatic grounding control system comprises an anti-explosion electrostatic grounding controller 5 for performing electrostatic treatment in the unloading process, an electrostatic eliminator 6 for performing electrostatic treatment on a human body, an anti-explosion acousto-optic alarm 7 and an anti-explosion human body electrostatic discharge alarm 8, the static eliminator 6, the explosion-proof static grounding controller 5, the explosion-proof acousto-optic alarm instrument 7 and the explosion-proof human body static discharge alarm instrument 8 are respectively connected with a compression factory grounding grid 10 through static grounding wires by adopting a grounding trunk line 9.
Preferably, the static electricity eliminator 6 is at least three, the first setting is beside the liquid ammonia storage tank cofferdam step, the second setting is in liquid ammonia storage tank cofferdam and the perpendicular side of step, the third setting is near unloading ammonia oil filling riser guardrail, guarantee that the staff gets into to eliminate static electricity before the operation and ensure safety. When the staff operates the gas ammonia preparation equipment, static electricity carried by human body is eliminated through the static electricity eliminator 6 arranged at each position.
Preferably, the explosion-proof sound and light alarm instrument 7 and the explosion-proof human body electrostatic discharge alarm instrument 8 are arranged around the cofferdam 2, when the electrostatic eliminator 6 breaks down, an alarm is given in time, the explosion-proof sound and light alarm instrument 7 and the explosion-proof human body electrostatic discharge alarm instrument 8 give an alarm to remind an operator of static electricity, and the safety cofferdam is another safety protector for protecting the safety of operators and equipment.
The anti-explosion electrostatic grounding controller 5 is a KD-SGC type electrostatic grounding controller, and the electrostatic eliminator 6, the anti-explosion acousto-optic alarm instrument 7 and the anti-explosion human body electrostatic discharge alarm instrument 8 are all in the conventional universal type. The SCP-SA type electrostatic grounding controller monitors the electrostatic grounding condition in the whole process in the loading and unloading process of the liquid chemical product, and can provide audible and visual alarm when the grounding is poor or disconnected so as to ensure the reliable connection of the electrostatic grounding.
Further, the periphery of the liquid ammonia storage tank 1 is located in the cofferdam 5 and is further provided with a spray ring pipe 13 fixed through a ring pipe support, the spray ring pipe 13 is located on the side of the liquid ammonia storage tank 1 and is evenly connected with a water mist spray nozzle 14 through a spray branch pipe along the circumference, and the other side of the spray ring pipe 13 is connected with a buried fire water main pipe 11 through a fire branch pipe 12.
Furthermore, the fire-fighting water branch pipe 12 is provided with a Y-shaped filter, a check valve and a butterfly valve, so that the spraying device is not easy to block and is convenient to control spraying and water supplying.
Furthermore, the spray ring pipe 13 and the fire-fighting water branch pipe are connected by concentric reducing hoop pipe fittings, and the four corners of the spray ring pipe are connected by hoop elbows.
Preferably, the connection part of the spray branch pipe and the water mist spray head 14 is connected through screw threads.
Example 2
As shown in fig. 1, the static elimination apparatus for preparing gaseous ammonia of the present embodiment includes a liquid ammonia tank 1, a cofferdam 2 is arranged around the liquid ammonia storage tank 1, a liquid ammonia unloading crane pipe 3 is arranged at the position adjacent to the cofferdam 2, an ammonia unloading crane pipe guardrail 4 is arranged around the liquid ammonia unloading crane pipe 3, an anti-explosion electrostatic grounding control system is arranged at the guardrail 4 of the ammonia unloading arm, the anti-explosion electrostatic grounding control system comprises an anti-explosion electrostatic grounding controller 5 for performing electrostatic treatment in the unloading process, an electrostatic eliminator 6 for performing electrostatic treatment on a human body, an anti-explosion acousto-optic alarm 7 and an anti-explosion human body electrostatic discharge alarm 8, the static eliminator 6, the explosion-proof static grounding controller 5, the explosion-proof acousto-optic alarm instrument 7 and the explosion-proof human body static discharge alarm instrument 8 are respectively connected with a compression factory grounding grid 10 through static grounding wires by adopting a grounding trunk line 9.
Preferably, the static electricity eliminator 6 is at least three, the first setting is beside the liquid ammonia storage tank cofferdam step, the second setting is in liquid ammonia storage tank cofferdam and the perpendicular side of step, the third setting is near unloading ammonia oil filling riser guardrail, guarantee that the staff gets into to eliminate static electricity before the operation and ensure safety. When the staff operates the gas ammonia preparation equipment, static electricity carried by human body is eliminated through the static electricity eliminator 6 arranged at each position.
Preferably, the explosion-proof sound and light alarm instrument 7 and the explosion-proof human body electrostatic discharge alarm instrument 8 are arranged around the cofferdam 2, when the electrostatic eliminator 6 breaks down, an alarm is given in time, the explosion-proof sound and light alarm instrument 7 and the explosion-proof human body electrostatic discharge alarm instrument 8 give an alarm to remind an operator of static electricity, and the safety cofferdam is another safety protector for protecting the safety of operators and equipment.
The anti-explosion electrostatic grounding controller 5 is a KD-SGC type electrostatic grounding controller, and the electrostatic eliminator 6, the anti-explosion acousto-optic alarm instrument 7 and the anti-explosion human body electrostatic discharge alarm instrument 8 are all in the conventional universal type. The anti-explosion electrostatic grounding controller can be electrically connected with an equipment operation switch, and the SCP-SA type electrostatic grounding controller monitors the electrostatic grounding condition in the whole process in the loading and unloading process of the liquid chemical product, can provide sound and light alarm and can output a switching value signal when the grounding is poor or disconnected, so that the equipment can automatically stop operating, and the reliable connection of the electrostatic grounding is ensured.
Further, the periphery of the liquid ammonia storage tank 1 is located in the cofferdam 5 and is further provided with a spray ring pipe 13 fixed through a ring pipe support, the spray ring pipe 13 is located on the side of the liquid ammonia storage tank 1 and is evenly connected with a water mist spray nozzle 14 through a spray branch pipe along the circumference, and the other side of the spray ring pipe 13 is connected with a buried fire water main pipe 11 through a fire branch pipe 12.
Furthermore, the fire-fighting water branch pipe 12 is provided with a Y-shaped filter, a check valve and a butterfly valve, so that the spraying device is not easy to block and is convenient to control spraying and water supplying.
Furthermore, the spray ring pipe 13 and the fire-fighting water branch pipe are connected by concentric reducing hoop pipe fittings, and the four corners of the spray ring pipe are connected by hoop elbows.
Preferably, the connection part of the spray branch pipe and the water mist spray head 14 is connected through screw threads.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Claims (8)
1. The utility model provides an electrostatic elimination device for gas ammonia preparation, includes the liquid ammonia storage tank, be equipped with the cofferdam around the liquid ammonia storage tank, the neighbouring department in cofferdam is equipped with the liquid ammonia crane pipe that unloads, and the liquid ammonia crane pipe that unloads is equipped with all around and unloads ammonia crane pipe guardrail, its characterized in that, sets up explosion-proof static ground control system in unloading crane pipe guardrail department, explosion-proof static ground control system carries out the explosion-proof static ground control ware of electrostatic treatment and is used for the electrostatic eliminator, explosion-proof acousto-optic alarm appearance and the human electrostatic discharge alarm appearance of explosion-proof that human electrostatic discharge handled including being used for the in-process of unloading, electrostatic eliminator, explosion-proof static ground control ware, explosion-proof acousto-optic alarm appearance and the human electrostatic discharge alarm appearance of explosion-proof static discharge adopt the ground connection trunk to be.
2. The static elimination apparatus for the preparation of gaseous ammonia according to claim 1, wherein said explosion-proof electrostatic grounding controller is further electrically connected with an equipment operation switch.
3. The static elimination apparatus for the preparation of ammonia gas as recited in claim 1, wherein a first one is disposed beside the cofferdam step of the liquid ammonia storage tank, a second one is disposed at a vertical side of the cofferdam of the liquid ammonia storage tank to the step, and a third one is disposed near the guardrail of the ammonia unloading arm.
4. The static elimination device for preparing ammonia gas as recited in claim 1, wherein the explosion-proof acousto-optic alarm and the explosion-proof human body static electricity discharge alarm are arranged around the cofferdam.
5. The static elimination device for preparing ammonia gas as claimed in any one of claims 1 to 4, wherein a spray ring pipe fixed by a ring pipe support is further arranged around the liquid ammonia storage tank in the cofferdam, the spray ring pipe is located on one side of the liquid ammonia storage tank and is uniformly connected with water mist spray heads through spray branch pipes along the circumference, and the other side of the spray ring pipe is connected with a buried fire water main pipe through a fire water branch pipe.
6. The static elimination device for preparing ammonia gas as claimed in claim 5, wherein the fire water branch pipe is provided with a Y-shaped filter, a check valve and a butterfly valve for preventing the blockage of the spray device and facilitating the control of spray water supply.
7. The static elimination apparatus for preparing ammonia according to claim 5, wherein the spray ring pipe is connected with the main fire water pipe by concentric reducing hoop pipe fittings, and the four corners of the spray ring pipe are connected by hoop elbows.
8. The static elimination apparatus for the preparation of ammonia gas as recited in claim 5, wherein the connection of said spray branch pipe and said water mist spray head is screwed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022123697.5U CN213547899U (en) | 2020-09-24 | 2020-09-24 | Static electricity eliminating device for preparing gas ammonia |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022123697.5U CN213547899U (en) | 2020-09-24 | 2020-09-24 | Static electricity eliminating device for preparing gas ammonia |
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| Publication Number | Publication Date |
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| CN213547899U true CN213547899U (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022123697.5U Active CN213547899U (en) | 2020-09-24 | 2020-09-24 | Static electricity eliminating device for preparing gas ammonia |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114407759A (en) * | 2022-02-25 | 2022-04-29 | 新泰市日进化工科技有限公司 | Safety monitoring system and monitoring method for liquid ammonia unloading |
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2020
- 2020-09-24 CN CN202022123697.5U patent/CN213547899U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114407759A (en) * | 2022-02-25 | 2022-04-29 | 新泰市日进化工科技有限公司 | Safety monitoring system and monitoring method for liquid ammonia unloading |
| CN114407759B (en) * | 2022-02-25 | 2022-11-22 | 新泰市日进化工科技有限公司 | Safety monitoring system and monitoring method for liquid ammonia unloading |
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