CN209815697U - Automatic processing system is leaked in lithium hexafluorophosphate preparation - Google Patents
Automatic processing system is leaked in lithium hexafluorophosphate preparation Download PDFInfo
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- CN209815697U CN209815697U CN201920319829.6U CN201920319829U CN209815697U CN 209815697 U CN209815697 U CN 209815697U CN 201920319829 U CN201920319829 U CN 201920319829U CN 209815697 U CN209815697 U CN 209815697U
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Abstract
The utility model discloses an automatic processing system for leakage in lithium hexafluorophosphate preparation, which comprises an alarm integration cabinet, an air suction duct, an air supply fan, an air exhaust fan, an absorption tower and a lithium hexafluorophosphate preparation workshop; HF in this system real-time detection lithium hexafluorophosphate preparation workshop, PF5 poison gas, give the reputation and report to the police when the poison gas takes place to leak, and open lithium hexafluorophosphate preparation workshop air supply automatically, the passageway induced drafts, send the poison gas to the absorption tower absorption, realize lithium hexafluorophosphate production process poisoning gas real time monitoring, the effective controllable management of safe environment risk in the production process, the security of production is improved, avoid taking place the pollution to the environment when leaking in the lithium hexafluorophosphate production process extensive poison gas, set up the detection alone to every floor, blow the structure and divide floor control, actual management and control effect is better.
Description
Technical Field
The utility model relates to a lithium hexafluorophosphate preparation technical field, concretely relates to automatic processing system is leaked in lithium hexafluorophosphate preparation.
Background
In the production process for preparing the LiPF6 by using HF as a solvent, a reaction process, a crystallization process, a filtration deacidification process, a drying process, a packaging process, a PF5 generation process and the like are required, the processes contain more equipment, toxic and harmful gases such as HF, PF5 and the like are generated, if the equipment is damaged, a leakage accident occurs, harm is caused to the human body and the environment, particularly, in a plateau area, the external air pressure is low, the boiling point of raw materials such as AHF in the process of preparing the LiPF6 is reduced, the equipment needs to be pressurized, moreover, in order to avoid pollution in the processes of reaction, crystallization, purification and the like, protective gas such as nitrogen and the like is required to be filled into the equipment, the internal air pressure of the equipment is overhigh, once the pipeline of the equipment is blocked in the operation process, the equipment is operated for a long time under high pressure, gas leakage is easy to occur, and the prior art adopts natural ventilation, local exhaust has little effect when dealing with large-scale gas leakage accidents, and can cause serious environmental accidents and personal injury.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model provides a lithium hexafluorophosphate preparation leaks automatic processing system, HF in this system real-time detection lithium hexafluorophosphate preparation workshop, PF5 poison gas, give the acousto-optic warning when the poison gas takes place to leak, and open lithium hexafluorophosphate preparation workshop air supply automatically, the passageway induced drafts, absorb toxic gas pump sending to the absorption tower, adopt natural draft when having solved among the prior art poison gas emergence leakage, can not deal with extensive gas leakage accident during modes such as local exhaust, cause serious environmental accident, bodily injury scheduling problem.
For realizing the purpose of the utility model, the utility model adopts the following technical scheme:
an automatic processing system for leakage in lithium hexafluorophosphate preparation comprises an alarm integrated cabinet, an air suction duct, an air supply fan, an air exhaust fan, an absorption tower and a lithium hexafluorophosphate preparation workshop; the alarm integrated cabinet alarms HF and PF5 toxic gases, outputs switch alarm signals to control an air supply fan and an air draft fan to start and operate, the air draft channel is a channel with a cuboid structure, the cross sectional area is 2 square meters, the air draft channel is installed at the upper end of the side face of a lithium hexafluorophosphate preparation workshop, one side, connected with the lithium hexafluorophosphate preparation workshop, of the air draft channel is provided with an opening part communicated with the lithium hexafluorophosphate preparation workshop, and a filter screen is installed on the opening part; the air supply duct is a channel with a cuboid structure, the cross-sectional area is 2 square meters, the air supply duct is arranged at the lower end of the other side surface of the lithium hexafluorophosphate preparation workshop, which is opposite to the air suction duct, an opening part is arranged on one side of the air supply duct connected with the lithium hexafluorophosphate preparation workshop and is communicated with the lithium hexafluorophosphate preparation workshop, and a filter screen is arranged on the opening part; air supply fan install the one end at the air supply duct, can send into the air to lithium hexafluorophosphate preparation workshop inside through air supply fan, the one end and the absorption tower in air suction duct be connected one side intercommunication, the one end installation air suction fan that the air suction duct is close to the absorption tower, the absorption tower inside can add industrial water and PE filler, can absorb HF and PF5 toxic gas from the 2 entering of air suction duct.
Furthermore, a circulating pump and a circulating pipe are installed on the absorption tower, one end of the circulating pipe is connected with the lower end of the absorption tower, the other end of the circulating pipe extends into the upper end of the absorption tower, a spray header is installed on the circulating pipe, the circulating pump can pump industrial water in the absorption tower from the lower end to the upper end through the circulating pipe, the industrial water is sprayed down through the spray header to absorb HF and PF5 toxic gases entering from the air suction channel, and the quick adsorption and filtration are carried out through an internal PE filler;
further, the air supply fan and the air exhaust fan 5 adopt GDF-5.6-8 type centrifugal pipeline fans, and the air quantity is 9100 cubic meters per hour;
further, the alarm integrated cabinet comprises a three-phase power supply inlet wire L1\ L2\ L3\ N, a circuit breaker QF, a switching power supply, a hydrofluoric acid gas alarm, a phosphorus pentafluoride gas alarm, an alternating current contactor KM and an audible and visual alarm; the hydrofluoric acid gas alarm comprises a DC24V power supply input and a relay alarm output interface; the phosphorus pentafluoride gas alarm comprises a DC24V power supply input and a relay alarm output interface; the alternating current output end of the switch power supply is connected with the L3 and the N end of a three-phase power supply inlet wire through a breaker QF, the DC24V and GND output ends of the switch power supply are connected with the power input end 24V, GND of a hydrofluoric acid gas alarm and a phosphorus pentafluoride gas alarm, one end of an alarm output interface of a hydrofluoric acid gas alarm and a phosphorus pentafluoride gas alarm relay is connected with the DC24V end of the switch power supply, the other end of the alarm output interface of the hydrofluoric acid gas alarm and the phosphorus pentafluoride gas alarm relay is connected with one end of a control coil of an alternating current contactor KM, the other end of the control coil of the alternating current contactor KM is connected with the GND end of the switch power supply, the alternating current contactor KM is provided with three groups of contacts, the three groups of contacts of the three phase power supply inlet wire L1\ L2\ L3 are connected with one, one end of the power input of the audible and visual alarm is connected with the N end of the three-phase power inlet wire, the other end of the power input of the audible and visual alarm is connected with the other end of a contact point connected with L1 of the alternating current contactor KM and the three-phase power inlet wire, and the audible and visual alarm can be electrified to alarm after the alternating current contactor KM is closed.
Furthermore, the hydrofluoric acid gas alarm adopts an SGA-500F-HF type, the phosphorus pentafluoride gas alarm adopts an AP-G-PF5-3 type, and the audible and visual alarm adopts a TGSG-07 type.
Further, lithium hexafluorophosphate preparation workshop for being greater than one deck workshop, to every layer of workshop installation warning integrated cabinet, induced draft duct, air supply fan, induced draft fan, insert the absorption tower through the main pipeline intercommunication with the air suction duct at last for the leakage system in every layer of workshop is completely independent, can deal with local poison gas leakage and extensive poison gas leakage.
Compared with the prior art, the utility model, following beneficial effect has:
HF and PF5 toxic gases leak to alarm in time, so that the toxic gases in the lithium hexafluorophosphate production process are monitored in real time, and the production safety is improved;
2. the pollution to the environment when large-scale toxic gas leakage occurs in the production process of lithium hexafluorophosphate is avoided, the air supply and suction structure is automatically started, the toxic gas of HF and PF5 leaked in a workshop is timely blown to an absorption tower for absorption treatment in a short time, and the safe and environment risk effective and controllable management in the production process of lithium hexafluorophosphate is realized;
3. set up detection alone to every floor, blow structure branch floor control, actual management and control effect is better.
Drawings
Fig. 1 is a schematic structural diagram of an automatic processing system for leakage in lithium hexafluorophosphate preparation of the present invention;
FIG. 2 is an electrical schematic diagram of the alarm integrated cabinet of FIG. 1;
FIG. 3 is a schematic structural diagram of an automatic processing system for leakage in the preparation of lithium hexafluorophosphate in a 2-layer workshop;
in the figure: the device comprises an alarm integrated cabinet-1, an air suction channel-2, an air supply channel-3, an air supply fan-4, an air suction fan-5, an absorption tower-6, a circulating pump-7, a circulating pipe-8, a lithium hexafluorophosphate preparation workshop-9, a main pipeline-10, a switching power supply-101, a hydrofluoric acid gas alarm-102, a phosphorus pentafluoride gas alarm-103 and an audible and visual alarm-104.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described;
as shown in fig. 1, in an embodiment of the present invention, an automatic processing system for leakage of lithium hexafluorophosphate preparation comprises an alarm integrated cabinet 1, an air suction duct 2, an air supply duct 3, an air supply fan 4, an air suction fan 5, an absorption tower 6, and a lithium hexafluorophosphate preparation workshop 9; the alarm integrated cabinet 1 alarms HF and PF5 toxic gases, outputs switch alarm signals to control an air supply fan 4 and an air draft fan 5 to start and operate, the air draft channel 2 is a channel with a cuboid structure, the cross sectional area is 2 square meters, the air draft channel 2 is installed at the upper end of the side face of a lithium hexafluorophosphate preparation workshop 9, an opening part is formed in one side, connected with the lithium hexafluorophosphate preparation workshop 9, of the air draft channel 2 and the lithium hexafluorophosphate preparation workshop 9, and a filter screen is installed on the opening part to prevent larger particles from entering the air draft channel; the air supply duct 3 is a channel with a cuboid structure, the cross section area is 2 square meters, the cross section areas of the air suction duct 2 and the air supply duct 3 are large, the communication area with a lithium hexafluorophosphate preparation workshop 9 is large, large-scale toxic gas leakage can be dealt with, the treatment process is quick, the air supply duct 3 is arranged at the lower end of the other side surface of the lithium hexafluorophosphate preparation workshop 9 relative to the air suction duct 2, one side of the air supply duct 3 connected with the lithium hexafluorophosphate preparation workshop 9 is provided with an opening part communicated with the lithium hexafluorophosphate preparation workshop 9, a filter screen is arranged on the opening part to prevent impurities from entering the air supply duct 3, the air supply fan 4 is arranged at one end of the air supply duct 3, air can be supplied into the lithium hexafluorophosphate preparation workshop 9 through the air supply fan 4, the air supply duct 3 and the air suction duct 2 are arranged at two sides of the lithium hexafluorophosphate preparation workshop 9 one above the other, one end of the air suction channel 2 is communicated with one side of the absorption tower 6, one end of the air suction channel 2 close to the absorption tower 6 is provided with an air draft fan 5, the air supply fan 4 and the air draft fan 5 adopt GDF-5.6-8 type centrifugal pipeline fans, the air quantity is 9100 cubic meters per hour, the air quantity is large and can deal with large-scale toxic gas leakage, and the suction and delivery processes are fast; industrial water and PE filler can be added into the absorption tower 6, a circulating pump 7 and a circulating pipe 8 are installed on the absorption tower 6, one end of the circulating pipe 8 is connected with the lower end of the absorption tower 6, the other end of the circulating pipe extends into the upper end of the absorption tower 6 and is provided with a spray header, the circulating pump 7 is installed on the circulating pipe 8, the circulating pump 7 can pump the industrial water in the absorption tower 6 from the lower end to the upper end through the circulating pipe 8 and is used for spraying the industrial water through the spray header
HF and PF5 toxic gases entering from the suction duct 2 are sucked, and rapid adsorption and filtration are carried out through the internal PE filler;
as shown in fig. 2, the alarm integrated cabinet 1 includes a three-phase power supply incoming line L1\ L2\ L3\ N, a breaker QF with a rated current of 10A, a switching power supply 101, an SGA-500F-HF type hydrofluoric acid gas alarm 102, an AP-G-PF5-3 type phosphorus pentafluoride gas alarm 103, an AC contactor KM, an AC220V power supply input TGSG-07 type audible and visual alarm 104; the hydrofluoric acid gas alarm 102 has the resolution of 0.01ppm and the power supply voltage of 24V and comprises a relay alarm output interface; the measuring range of the phosphorus pentafluoride gas alarm 103 is 0-10000ppm, the detection precision is less than or equal to +/-3 percent, the power supply voltage is 24V, and the phosphorus pentafluoride gas alarm comprises a relay alarm output interface; mounting gas collecting probes of a hydrofluoric acid gas alarm 102 and a phosphorus pentafluoride gas alarm 103 at positions where toxic gas leakage occurs in a lithium hexafluorophosphate preparation workshop 9; the alternating current output end of the switching power supply 101 is connected with the L3 end and the N end of a three-phase power supply inlet wire through a breaker QF, the DC24V and GND output ends of the switching power supply 101 are connected with the hydrofluoric acid gas alarm 102 and the power input end 24V, GND of the phosphorus pentafluoride gas alarm 103, one end of the relay alarm output interface of the hydrofluoric acid gas alarm 102 and the phosphorus pentafluoride gas alarm 103 is connected with the DC24V end of the switching power supply 101, the other end of the relay alarm output interface of the hydrofluoric acid gas alarm 102 and the phosphorus pentafluoride gas alarm 103 is connected with one end of a control coil of an alternating current contactor KM, the other end of the control coil of the alternating current contactor KM is connected with the GND end of the switching power supply 101, the alternating current contactor KM is provided with three groups of contacts, the three groups of the three groups, one end of the power input of the audible and visual alarm 104 is connected with the N end of the three-phase power inlet wire, the other end of the power input of the audible and visual alarm is connected with the other end of the contact point connected with the L1 of the alternating current contactor KM and the three-phase power inlet wire, and the audible and visual alarm 104 can be electrified to alarm after the alternating current contactor KM is closed.
As shown in fig. 3, in the utility model discloses a further embodiment, lithium hexafluorophosphate preparation workshop 9 is for being greater than the one deck workshop, only give the schematic diagram of two-layer workshop leakage system in the picture, this picture of accessible combines prior art to push away the leakage system that is greater than the one deck workshop, to every layer of workshop installation warning integrated cabinet 1, induced draft channel 2, air supply duct 3, air supply fan 4, induced draft fan 5, will inhale air duct 2 and lead to the access to absorption tower 6 through main pipeline 10 at last, make the leakage system in every layer of workshop totally independent, can deal with local poison gas leakage and extensive poison gas leakage.
Claims (6)
1. An automatic processing system for leakage in lithium hexafluorophosphate preparation comprises an alarm integrated cabinet, an air suction duct, an air supply fan, an air exhaust fan, an absorption tower and a lithium hexafluorophosphate preparation workshop; the method is characterized in that: the alarm integrated cabinet alarms HF and PF5 toxic gases, outputs switch alarm signals to control an air supply fan and an air draft fan to start and operate, the air draft channel is a channel with a cuboid structure, the cross sectional area is 2 square meters, the air draft channel is installed at the upper end of the side face of a lithium hexafluorophosphate preparation workshop, one side, connected with the lithium hexafluorophosphate preparation workshop, of the air draft channel is provided with an opening part communicated with the lithium hexafluorophosphate preparation workshop, and a filter screen is installed on the opening part; the air supply duct is a channel with a cuboid structure, the cross-sectional area is 2 square meters, the air supply duct is arranged at the lower end of the other side surface of the lithium hexafluorophosphate preparation workshop, which is opposite to the air suction duct, an opening part is arranged on one side of the air supply duct connected with the lithium hexafluorophosphate preparation workshop and is communicated with the lithium hexafluorophosphate preparation workshop, and a filter screen is arranged on the opening part; the air supply fan is arranged at one end of the air supply channel, one end of the air suction channel is communicated with one side of the absorption tower, and the air suction fan is arranged at one end of the air suction channel close to the absorption tower.
2. The automatic lithium hexafluorophosphate preparation leakage processing system according to claim 1, wherein: the absorption tower is provided with a circulating pump and a circulating pipe, one end of the circulating pipe is connected with the lower end of the absorption tower, the other end of the circulating pipe extends into the upper end of the absorption tower and is provided with a spray header, and the circulating pump is arranged on the circulating pipe.
3. The automatic lithium hexafluorophosphate preparation leakage processing system according to claim 1, wherein: the air supply fan and the air exhaust fan adopt GDF-5.6-8 type centrifugal pipeline fans.
4. The automatic lithium hexafluorophosphate preparation leakage processing system according to claim 1 or 2, wherein: the alarm integrated cabinet comprises a three-phase power supply inlet wire L1\ L2\ L3\ N, a breaker QF, a switching power supply, a hydrofluoric acid gas alarm, a phosphorus pentafluoride gas alarm, an alternating current contactor KM and an audible and visual alarm; the hydrofluoric acid gas alarm comprises a DC24V power supply input and a relay alarm output interface; the phosphorus pentafluoride gas alarm comprises a DC24V power supply input and a relay alarm output interface; the alternating current output end of the switch power supply is connected with the L3 and the N end of a three-phase power supply inlet wire through a breaker QF, the DC24V and GND output ends of the switch power supply are connected with the power input end 24V, GND of a hydrofluoric acid gas alarm and a phosphorus pentafluoride gas alarm, one end of an alarm output interface of a hydrofluoric acid gas alarm and a phosphorus pentafluoride gas alarm relay is connected with the DC24V end of the switch power supply, the other end of the alarm output interface of the hydrofluoric acid gas alarm and the phosphorus pentafluoride gas alarm relay is connected with one end of a control coil of an alternating current contactor KM, the other end of the control coil of the alternating current contactor KM is connected with the GND end of the switch power supply, the alternating current contactor KM is provided with three groups of contacts, the three groups of contacts of the three phase power supply inlet wire L1\ L2\ L3 are connected with one, one end of the power input of the audible and visual alarm is connected with the N end of the three-phase power inlet wire, the other end of the power input of the audible and visual alarm is connected with the other end of a contact point connected with L1 of the alternating current contactor KM and the three-phase power inlet wire, and the audible and visual alarm can be electrified to alarm after the alternating current contactor KM is closed.
5. The automatic lithium hexafluorophosphate preparation leakage processing system according to claim 4, wherein: the hydrofluoric acid gas alarm is of an SGA-500F-HF type, the phosphorus pentafluoride gas alarm is of an AP-G-PF5-3 type, and the audible and visual alarm is of an TGSG-07 type.
6. The automatic lithium hexafluorophosphate preparation leakage processing system according to claim 1, wherein: lithium hexafluorophosphate preparation workshop for being greater than the workshop of one deck, to every layer of workshop installation warning integrated cabinet, air suction duct, air supply fan, induced draft fan, every layer of air suction duct is connected into the absorption tower through main pipeline intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920319829.6U CN209815697U (en) | 2019-03-14 | 2019-03-14 | Automatic processing system is leaked in lithium hexafluorophosphate preparation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920319829.6U CN209815697U (en) | 2019-03-14 | 2019-03-14 | Automatic processing system is leaked in lithium hexafluorophosphate preparation |
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| CN209815697U true CN209815697U (en) | 2019-12-20 |
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| CN201920319829.6U Active CN209815697U (en) | 2019-03-14 | 2019-03-14 | Automatic processing system is leaked in lithium hexafluorophosphate preparation |
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Effective date of registration: 20230828 Granted publication date: 20191220 |