CN210229397U - SF (sulfur hexafluoride)6Online intelligent gas purifying device - Google Patents
SF (sulfur hexafluoride)6Online intelligent gas purifying device Download PDFInfo
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- CN210229397U CN210229397U CN201921092855.6U CN201921092855U CN210229397U CN 210229397 U CN210229397 U CN 210229397U CN 201921092855 U CN201921092855 U CN 201921092855U CN 210229397 U CN210229397 U CN 210229397U
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Abstract
The utility model discloses a SF6Gaseous online intelligent purification device, including pressure shutting protection system, the vacuum pumping system, compression system and the clean system that sets up in the organism, pressure shutting protection system one end is connected with SF6The other end of the pressure locking protection system is connected with a gas interface through a gas inlet pipe and a gas outlet pipe, and the vacuum pumping systemAnd the two ends of the compression system are respectively connected with the two ends of the purification system, the two ends of the compression system are respectively connected to the vacuumizing system through a transition electromagnetic valve and a compression electromagnetic valve, and the two ends of the compression system are respectively connected with a first dust filter and a second dust filter. The utility model discloses can realize accomplishing SF to electrified6SF in electrical equipment6The gas is purified and absorbed, and simultaneously, SF can be treated6Purifying the gas to obtain SF6The gas reaches the corresponding index and avoids the SF6The condition that the electrical equipment can only be operated when power fails has the advantages of safety, high efficiency, intellectualization and the like.
Description
Technical Field
The embodiment of the utility model provides a relate to purification deviceThe technical field, in particular to SF6Gaseous online intelligent purification device.
Background
SF6Is a colorless, odorless, nontoxic and noncombustible mixed gas, and the power grid enterprises can control SF with increasing intensity of greenhouse gas emission6The recovery treatment of (1) also takes constant importance as SF6The gas plant is thus rapidly popularized, but the SF is in the process of actual treatment6The phenomenon that the content of gas decomposition products and water exceeds the standard is more and more frequent, the normal operation of high-voltage equipment is seriously influenced, the safety of equipment, a power grid and operating personnel is endangered, and when SF (sulfur hexafluoride) is used6SF in gas plants6When the content of gas decomposition products and water exceeds the standard, the currently generally adopted method is to use SF6The gas equipment is powered off, then corresponding maintenance is carried out, and new SF is recharged6A gas;
the current SF6The gas purification device has the following defects:
is going on to SF6During treatment, the SF cannot be treated due to the fact that the existing equipment can be treated only after power failure6The gas is purified on line, so that the general treatment time is long, the whole operation of a power grid is not facilitated, and a large amount of manpower and material resources are consumed, so that an intelligent on-line treatment device is required to be designed.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the present invention provides an SF6Gas on-line intelligent purification device by letting SF6Gas sequentially passes through the pressure locking protection system, the compression system and the purification system to effectively solve the problem that SF cannot be treated in the prior art6The problem of on-line gas treatment and purification.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
SF (sulfur hexafluoride)6The online intelligent gas purifying device comprises a pressure locking protection system, a vacuum pumping system, a compression system and a purifying system which are arranged in a machine body;
one end of the pressure locking protection system is connected with SF6The other end of the pressure locking protection system is connected with a gas interface through a gas inlet pipe and a gas outlet pipe; the vacuum pumping system is connected with the gas interface; two ends of the compression system are respectively connected to the vacuum pumping system through a transition electromagnetic valve and a compression electromagnetic valve, and two ends of the compression system are respectively connected with two ends of the purification system;
and two ends of the compression system are respectively connected with a first dust filter and a second dust filter.
Optionally, the SF6The electrical equipment comprises an SF connected with the pressure lock protection system6Electrical equipment interface from said SF6And a locking electromagnetic valve and a gas joint are sequentially connected between the electrical equipment interface and the gas interface.
Further, the vacuum pumping system comprises a vacuum pump, and the vacuum pump is connected with a vacuum pumping electromagnetic valve.
Further, the compression system includes a compressor;
one end of the compressor is sequentially provided with a pressure reducing valve and a first dust filter, and the first dust filter is connected to the transition electromagnetic valve; a one-way valve is arranged between the first dust filter and the pressure reducing valve;
and the other end of the compressor and one end of the one-way valve are connected with the second dust filter together.
Furthermore, the purification system comprises a first purification electromagnetic valve and a second purification electromagnetic valve which are positioned at two ends of the purification system, and an adsorption filter, a purification tank, a third dust filter, a third purification electromagnetic valve and a cache tank are sequentially connected between the first purification electromagnetic valve and the second purification electromagnetic valve; a bypass electromagnetic valve is connected between the third dust filter and the third purification electromagnetic valve in a leading-out manner, a bypass one-way valve is connected to the cache tank, and the other end of the bypass one-way valve is connected between the adsorption filter and the first purification electromagnetic valve.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a with SF6Gas sequentially passes through the pressure locking protection system, the compression system and the purification system, and SF can be charged6SF in electrical equipment6The gas is purified and absorbed, and simultaneously, SF can be treated6Purifying the gas to obtain SF6The gas reaches the corresponding index, thereby effectively avoiding the SF6The condition that the electrical equipment can only be operated when power fails has the advantages of safety, high efficiency, intellectualization and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
FIG. 1 is a schematic view of the overall structure of the present invention;
in the figure:
1-SF6an electrical device interface; 2-locking the electromagnetic valve; 3-a first pressure sensor; 4-gas connection; 5-gas interface; 6-vacuum-pumping electromagnetic valve; 7-a vacuum pump; 8-transition electromagnetic valve; 9-a first dust filter; 10-a pressure reducing valve; 11-a compressor; 12-a first purge solenoid valve; 13-an adsorption filter; 14-purifying and filling; 15-a third dust filter; 16-a third purge solenoid valve; 17-a buffer tank; 18-a second purge solenoid valve; 19-a bypass solenoid valve; 20-a second dust filter; 21-compression solenoid valve; 23-air make-up joint; 24-supplement of qi electricityA magnetic valve; 25-a second pressure sensor; 26-a first measurement sensor; 27-a vacuum sensor; 28-one-way valve; 29-a third pressure sensor; 30-bypass check valve; 31-a second measurement sensor; 32-safety valve; 34-an exhaust valve; 35-pressure lock protection system; 36-vacuum pumping system; 37-a compression system; 38-decontamination system.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in FIG. 1, the present invention provides an SF6The online intelligent gas purifying device comprises a pressure lock protection system 35, a vacuum pumping system 36, a compression system 37 and a purifying system 38 which are arranged in a machine body.
Specifically, one end of the pressure lock protection system 35 is connected with an SF6The other end of the pressure locking protection system 35 is connected with a gas interface 5 through a gas inlet pipe and a gas outlet pipe; the vacuum pumping system 36 is connected with the gas interface 5; two ends of the compression system 37 are respectively connected to the vacuum pumping system 36 through the transition solenoid valve 8 and the compression solenoid valve 21, and two ends of the compression system 37 are respectively connected with two ends of the purification system 38; the first dust filter 9 and the second dust filter 20 are connected to both ends of the compression system 37.
The utility model discloses a with SF6The gas is purified on line through the processes of a pressure lock protection system 35, a compression system 37 and a purification system 38 in sequence, and unqualified gas can be recycled for treatment.
The SF6The electrical equipment comprises an SF connected to said pressure lock protection system 356Electrical equipment interface 1 from said SF6And a locking electromagnetic valve 2 and a gas joint 4 are sequentially connected between the electrical equipment interface 1 and the gas interface 5.
The vacuum pumping system 36 comprises a vacuum pump 7, the vacuum pump 7 is connected with a vacuum pumping electromagnetic valve 6, and the vacuum pumping system can ensure that the device is prevented from being influenced by air or other magazines.
The compression system 37 comprises a compressor 11, one end of the compressor 11 is provided with a pressure reducing valve 10 and a first dust filter 9 in sequence, and the first dust filter 9 is connected to a transition electromagnetic valve 8; a one-way valve 28 is arranged between the first dust filter 9 and the pressure reducing valve 10; the other end of the compressor 11 and one end of the one-way valve 28 are connected to the second dust filter 20.
The purification system 38 comprises a first purification electromagnetic valve 12 and a second purification electromagnetic valve 18 which are positioned at two ends of the purification system 38, an adsorption type filter 13, a purification tank 14, a third dust filter 15, a third purification electromagnetic valve 16 and a buffer tank 17 are sequentially connected between the first purification electromagnetic valve 12 and the second purification electromagnetic valve 18, a bypass electromagnetic valve 19 is led out and connected between the third dust filter 15 and the third purification electromagnetic valve 16, a bypass check valve 30 is connected on the buffer tank 17, and the other end of the bypass check valve 30 is connected between the adsorption type filter 13 and the first purification electromagnetic valve 12.
An air supply joint 23 is arranged in the machine body, an air supply electromagnetic valve 24 is connected to the air supply joint 23, and the air supply electromagnetic valve 24 is connected with the first dust filter 9 and the transition electromagnetic valve 8.
A first pressure sensor 3 is arranged between a locking electromagnetic valve 2 and a gas joint 4 in the pressure locking protection system 35, one end, far away from the gas joint 4, of a gas interface 5 is provided with a second pressure sensor 25, and a first measuring sensor 26 is arranged at the joint of the second pressure sensor 25 and the vacuumizing electromagnetic valve 6.
A vacuum sensor 27, a safety valve 32, and a pressure reducing valve 10 are provided in this order from the excess solenoid valve 8 to the compression solenoid valve 21.
A safety valve 32 and a third pressure sensor 29 are provided between the compressor 11 and the second dust filter 20 in this order.
A second measuring sensor 31 is arranged between the buffer tank 17 and the second purifying electromagnetic valve 18, and an exhaust valve 34 is arranged on the purifying tank 14.
The utility model discloses specific operation process as follows: sequentially opening the locking electromagnetic valve 2, the vacuumizing electromagnetic valve 6, the transition electromagnetic valve 8, the first purifying electromagnetic valve 12, the third purifying electromagnetic valve 16, the second purifying electromagnetic valve 18, the bypass electromagnetic valve 19 and the compressing electromagnetic valve 21, then opening the vacuum pump 7 to vacuumize the body of the machine body, reaching the required vacuum degree after a period of time, closing the locking electromagnetic valve 2, the vacuumizing electromagnetic valve 6, the transition electromagnetic valve 8, the first purifying electromagnetic valve 12, the third purifying electromagnetic valve 16, the second purifying electromagnetic valve 18, the bypass electromagnetic valve 19 and the compressing electromagnetic valve 21, and then closing the vacuum pump 7, thereby ensuring that air or other gases and impurities cannot be filled into SF in the purifying process6In an electrical apparatus.
Then a small amount of new SF is added6The gas passes through the gas supplementing joint 23, opens the gas supplementing electromagnetic valve 24 and is filled into the gas inlet and outlet pipe, and then passes through SF6The electrical equipment interface 1 is connected to the SF6On the electrical equipment.
The locking electromagnetic valve 2, the transition electromagnetic valve 8, the first purification electromagnetic valve 12 and the third purification electromagnetic valve 16 are opened to remove SF6Off-spec SF in electrical equipment6The gas passes through the pipeline, enters the buffer tank 17 after passing through the first dust filter 9, the one-way valve 28, the adsorption filter 13, the purification tank 14 and the third dust filter 15, automatically starts the compressor 11, and carries out SF treatment6The gas is pressurized so that the buffer tank 17 can store more SF6Gas thereby increasing the ratio of SF6The purification efficiency of the gas; after a period of time, closing the transition solenoid valve 8, the first purge solenoid valve 12, and the third purge solenoid valve 16; SF6When the gas passes through the first dust filter 9, the adsorption filter 13 and the third dust filter 15, these filters will automatically filter the SF6The gas is purified and absorbed by water, HF and SO2、SO2F2、SF4Etc. SF6The gas passing through the purification tank 14 is automatically directed to SF6Purification of the gas, SF6The gas, other than SF, enters the third dust filter 15 from the bottom of the purification tank 146Other gases of the gas are collected at the top of the purification tank 14 and finally discharged through a vent valve 34.
SF of buffer tank 17 by means of second measuring sensor 316Gas detection, if SF6If the gas is qualified, the third purifying electromagnetic valve 16, the second purifying electromagnetic valve 18 and the compression electromagnetic valve 21 are opened, and simultaneously the compressor 11 is started to buffer the SF in the tank 176Gas introduction into SF6In an electrical apparatus; if SF6If the gas is unqualified, the bypass electromagnetic valve 19 and the compression electromagnetic valve 21 are opened, the compressor 11 is started at the same time, and the SF of the buffer tank 17 is buffered6The gas is purified again by the adsorption filter 13, the purification tank 14 and the dust filter 15, and then is charged into SF6In the electrical equipment, after a certain time, the corresponding solenoid valve and the compressor 11 are closed.
This purging process can be repeated with the first measurement sensor 26 in the aspiration line monitoring SF in real time6Gas up to SF6The gas completely meets the requirements, thus completing the on-line SF gas control under the condition of no power failure6SF in electrical equipment6And (5) gas purification.
Pressure blocking protection system monitors SF in real time through first pressure sensor 36SF in electrical equipment6Once the pressure value reaches the set protection pressure value, the purification process is suspended, and the air supply function operation is automatically started, namely the new SF6The gas is filled into SF through a gas supplementing joint 23, a gas supplementing electromagnetic valve 24, a transition electromagnetic valve 8 and an inlet and outlet gas pipe6In the electrical equipment, when the pressure value detected by the second pressure sensor 25 is a set value, the air supply function operation is stopped, the purification process is started, and after the air supply function operation, the pressure locking protection system uses the SF detected by the first pressure sensor 36If the gas pressure value is still lower than the set protection pressure value, the locking electromagnetic valve 2 is closed and automatically stopped, thereby protecting SF6Electrical deviceAvoid due to SF6The gas pressure value is too low, and the fault is caused.
The utility model discloses intelligent performance in: the built-in remote intelligent electrical control module can carry out remote operation to each item of functional operation of device through cell-phone, panel or computer at any time, and the job site need not artifical on duty, and simultaneously, each item monitoring data when the device moves also can be at any time through cell-phone, panel or computer looking over to the device, knows the progress and the process of online purification, and various abnormal conditions also can make the warning or warning through cell-phone, panel or computer, make the staff adjust corresponding data or carry out corresponding functional operation according to the site conditions at any time.
The intelligent control technology used is conventional control technology, which is not described in detail here since it is well established in the art.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. SF (sulfur hexafluoride)6The online intelligent gas purification device is characterized by comprising a pressure locking protection system (35), a vacuum pumping system (36), a compression system (37) and a purification system (38) which are arranged in a machine body;
one end of the pressure locking protection system (35) is connected with SF6The other end of the pressure locking protection system (35) is connected with a gas interface (5) through a gas inlet pipe and a gas outlet pipe; the vacuum-pumping system (36) is connected with the gas interface (5); two ends of the compression system (37) are respectively connected to the vacuum-pumping system (36) through a transition electromagnetic valve (8) and a compression electromagnetic valve (21), and two ends of the compression system (37) are respectively connected with two ends of a purification system (38);
and two ends of the compression system (37) are respectively connected with a first dust filter (9) and a second dust filter (20).
2. SF according to claim 16Gas on-line intelligent purification device, characterized in that, SF6The electrical equipment comprises an SF connected with the pressure lock protection system (35)6An electrical equipment interface (1) from the SF6And a locking electromagnetic valve (2) and a gas joint (4) are sequentially connected between the electrical equipment interface (1) and the gas interface (5).
3. SF according to claim 16The online intelligent gas purification device is characterized in that the vacuumizing system (36) comprises a vacuum pump (7), and the vacuum pump (7) is connected with a vacuumizing electromagnetic valve (6).
4. An online intelligent purification device for SF6 gas as claimed in claim 1, wherein said compression system (37) comprises a compressor (11);
one end of the compressor (11) is sequentially provided with a pressure reducing valve (10) and a first dust filter (9), and the first dust filter (9) is connected to the transition electromagnetic valve (8); a one-way valve (28) is arranged between the first dust filter (9) and the pressure reducing valve (10);
the other end of the compressor (11) and one end of the one-way valve (28) are connected with the second dust filter (20).
5. SF according to claim 16The online intelligent gas purification device is characterized in that the purification system (38) comprises a first purification electromagnetic valve (12) and a second purification electromagnetic valve (18) which are positioned at two ends of the purification system (38), and an adsorption filter (13), a purification tank (14), a third dust filter (15), a third purification electromagnetic valve (16) and a buffer tank (17) are sequentially connected between the first purification electromagnetic valve (12) and the second purification electromagnetic valve (18); a bypass electromagnetic valve (19) is connected between the third dust filter (15) and the third purifying electromagnetic valve (16) in a leading-out manner; the buffer tank (17) is connected withA bypass one-way valve (30) is connected, and the other end of the bypass one-way valve (30) is connected between the adsorption filter (13) and the first purification electromagnetic valve (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921092855.6U CN210229397U (en) | 2019-07-12 | 2019-07-12 | SF (sulfur hexafluoride)6Online intelligent gas purifying device |
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| CN201921092855.6U CN210229397U (en) | 2019-07-12 | 2019-07-12 | SF (sulfur hexafluoride)6Online intelligent gas purifying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201460A (en) * | 2019-07-12 | 2019-09-06 | 广东电网有限责任公司 | A kind of SF6Gas on-line intelligence purification device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201460A (en) * | 2019-07-12 | 2019-09-06 | 广东电网有限责任公司 | A kind of SF6Gas on-line intelligence purification device |
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