CN207385157U - A kind of automatic switchover gas drier - Google Patents
A kind of automatic switchover gas drier Download PDFInfo
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- CN207385157U CN207385157U CN201721083122.7U CN201721083122U CN207385157U CN 207385157 U CN207385157 U CN 207385157U CN 201721083122 U CN201721083122 U CN 201721083122U CN 207385157 U CN207385157 U CN 207385157U
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Abstract
The utility model discloses a kind of automatic switchover gas driers, are related to gas dry technical field.Including two-way drier, the corresponding solenoid valve in two-way drier circuit is carried out opening and closing control by control circuit, realizes the automatic switchover in two-way drying circuit for the automatic switchover gas drier, and dried gas is stored in surge flask for use;The utility model includes heating unit, the drier in drier is heated by heating unit, make the moisture evaporation contained in drier, drier can be recycled, drier need not be dismantled to be replaced, energy conservation and environmental protection, while heating process accelerates the rate of drying of gas again, improves drying efficiency;The utility model is simple in structure, and drying efficiency height and environmental protection and energy saving have very strong dissemination.
Description
Technical field
The utility model belongs to gas dry technical field more particularly to a kind of automatic switchover gas drier.
Background technology
Since the fifties in last century, SF6(Sulfur hexafluoride)With its excellent insulation performance and arc quenching characteristic by widely
Applied in high voltage electric equipment.But under the conditions of electric discharge is existing, sulfur hexafluoride can decompose generate it is harmful less fluorinated
Object, these substances can occur hydrolysis with the micro-moisture contained in sulfur hexafluoride electrical equipment, generate SO2And HF;SO2It can
Further with H2O reaction generations H2SO3, HF and H2SO3With very strong corrosivity, the insulating materials in high voltage electric equipment is produced
Raw corrosiveness, reduces the insulation resistance on its surface, influences its insulation performance.Furthermore usual SF6In micro-moisture be with water
Existing for the form of steam, upon a drop in temperature, may result in the water that gaseous water-setting forms liquid, be attached to electrode, absolutely
On the piece surfaces such as edge sublist face, it be easy to cause insulating part surface and generates creeping discharge and cause accident.Therefore, detect exactly
SF6The humidity of gas is of great significance.
In the prior art, SF is measured6The method of gas humidity mainly has two classes, and one kind is detected using instrument, according to instrument
The difference of the principle of device mainly has dew point method, electrolysis and capacitance-resistance method etc..It is another kind of to be measured using classical gravimetric method.At present
On-the-spot test mainly measures SF using humidity tester6The humidity of gas, but the sensor of test equipment is in use
It is present with drift, therefore, it is necessary to periodically be verified with the higher standard humidity check system of precision, to ensure the standard of measurement result
Really with it is consistent.
Currently used humidity check system mainly includes compressor, drier, humidity generator and precise dew-point hygrometer.But
The compressed air that the system needs humidity extremely low is as source of the gas, to ensure instrument reliably working.At present, using in air compressor
Gas outlet installs the mode of drying tower additional to reduce gas humidity, but in use, and the molecular sieve of filling holds inside drying tower
Hygroscopic saturation and fail, it is necessary to manually regular dry molecular sieves, make troubles to experiment work.
In recent years, the convenience use research to drier in humidity check system and few both at home and abroad, in most cases
It is to drier replacement operation or to the improvement in drier mechanical structure and the research to desiccant material, but does not have
It is related to the research for automatically switching gas-drying system.Based on this, have for the research for automatically switching gas-drying system actual
Meaning, and automatically switch gas-drying system to the Comparability test of SF6 gas humidity testers with breakthrough meaning.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of automatic switchover gas drier, using double loop
Gas dry is carried out, automatically switches dry gas circuit, drier moist in drier is heated, is contained in evaporation drying agent
Moisture, recycle drier, agent replacement operation, environmental protection and energy saving be dried without dismantling drier;After drying
Gas can be used for SF6 humidity check systems, carry out humidity Comparability test.
The utility model is to solve above-mentioned technical problem by the following technical solutions:A kind of automatic switchover gas is done
Dry device, including drier, surge flask, gas compressor, dew point transducer, multiple solenoid valves and control circuit;It is described dry
Dry device includes the first drier and the second drier, and first drier and the second drier include air inlet and exhaust
Mouthful;The air inlet of first drier includes the first air inlet and the second air inlet, the exhaust outlet bag of first drier
Include first row gas port and second exhaust port;The air inlet of second drier includes the 3rd air inlet and the 4th air inlet, institute
Stating the exhaust outlet of the second drier includes the 3rd exhaust outlet and the 4th exhaust outlet;
The gas compressor is connected by pipeline and solenoid valve with first air inlet and the 4th air inlet respectively;Institute
Second exhaust port is stated to be connected with the 3rd air inlet by pipeline and solenoid valve, the 3rd exhaust outlet by pipeline and solenoid valve with
Second air inlet connects;The second exhaust port by solenoid valve and pipeline respectively with the 3rd exhaust outlet, the 4th exhaust outlet and
Surge flask connects;The dew point transducer is mounted on the shell of the surge flask, for detecting dew point;The first row gas port
The pipeline drawn by solenoid valve is used as the first discharge outlet, and the 4th exhaust outlet is used as second by the pipeline that solenoid valve is drawn
Discharge outlet;
The temperature sensor, dew point transducer and solenoid valve are electrically connected respectively with the control circuit;Pass through
Control circuit controls being turned on and off for corresponding solenoid valve, that is, realizes the automatic switchover of drying system, make gas to be dried two
Road is dried in drier circuit, and dried gas is stored in surge flask for use.
Further, the solenoid valve is 9, is respectively solenoid valve A, solenoid valve B, solenoid valve C, solenoid valve D, solenoid valve
G, solenoid valve E, solenoid valve F, solenoid valve H and electromagnetic valve I;The solenoid valve A, solenoid valve B, solenoid valve C, solenoid valve D, solenoid valve
G, solenoid valve E, solenoid valve F and electromagnetic valve I are two three-way electromagnetic valves, and the solenoid valve H is four way solenoid valve.
Further, the 4th air inlet of the first air inlet and the second drier of the gas compressor and the first drier
Pipeline between mouthful is first pipe;Pipe between second air inlet of the first drier and the 3rd exhaust outlet of the second drier
Road is second pipe;Pipeline between the second exhaust port of first drier and the 3rd air inlet of the second drier is the 3rd pipe
Road;Pipeline between solenoid valve E and solenoid valve H and solenoid valve F is the 4th pipeline;Pipeline between solenoid valve H and electromagnetic valve I is
5th pipeline, the pipeline between solenoid valve H and surge flask are the 6th pipeline;The first pipe, second pipe, the 3rd pipeline and
4th pipeline is three-way pipeline, and the 5th pipeline and the 6th pipeline are two siphunculus road.
Further, one end of the solenoid valve A and solenoid valve D respectively with the first air inlet of first drier and
The 4th air inlet connection of second drier, both ends of the other end respectively with the first pipe are connected, the first pipe
The other end is connected with the gas compressor;One end of the solenoid valve B is connected with the second air inlet of the first drier, another
End is connected with one end of the second pipe, the another both ends of the second pipe respectively with the 3rd exhaust outlet of the second drier and
One end connection of solenoid valve F;One end of the solenoid valve C is connected with the 3rd air inlet of the second drier, the other end with it is described
One end connection of 3rd pipeline, the another both ends of the 3rd pipeline respectively with the second exhaust port of the first drier and solenoid valve E one
End connection;One end of the solenoid valve G is connected with the first row gas port of the first drier, and the other end connects with first row mouth of a river pipeline
It connects;The other end of the solenoid valve E is connected with one end of the 4th pipeline, the another both ends of the 4th pipeline respectively with it is described
The other end of solenoid valve F and one end of solenoid valve H;Distinguish one end of the 5th pipeline, the 6th pipe in another three ends of solenoid valve H
The one end in road and the connection of second row mouth of a river pipeline;The other end of 5th pipeline is connected with one end of the electromagnetic valve I, institute
The other end for stating electromagnetic valve I is connected with the 4th exhaust outlet of second drier;The other end of 6th pipeline with it is described
Surge flask connects.
Further, the automatic switchover gas drier further includes humidity check system, the humidity check system
It is connected by pipeline with the surge flask, so that the dry gas being stored in surge flask is supplied directly to humidity check system,
Experiment is compared.
Further, the drier includes shell and sieve plate, heating unit and temperature inside the shell is set to pass
Sensor;Drier is equipped between the sieve plate;The temperature sensor, for detecting the temperature in drier;The shell
Both ends be respectively equipped with the air inlet and exhaust outlet;The heating unit is electrically connected with control circuit, according to temperature
The temperature data of sensor detection, judges the heating effect of heating unit and the state of cooling of gas, is carried out by heating unit
Heat, make the moisture evaporation contained in drier, drier can be recycled, and is not required to dismounting drier and is replaced, is saved
It can environmental protection.
Further, the heating unit uses heater strip or heating rod.
Further, the drier is one kind in molecular sieve desiccant or aluminium oxide.
Further, the control circuit includes PLC controller and the temperature sensing being connected respectively with PLC controller
Device, dew point transducer, heating unit, power module, solenoid valve and button and display module;The temperature sensor, is used for
Detect the temperature in drier;The dew point transducer, for detecting the dew point information of surge flask, exclude due to temperature change,
Drift, provides reliable measurement caused by dust and aging;The heating unit, for being thermally dried in drier
Agent;The PLC controller for being analyzed and processed according to the gathered data of temperature sensor, dew point transducer, controls electromagnetism
Valve is turned on and off, and control heating unit is heated or closed;The button and display module, for setup parameter and display
Temperature monitoring value in present dryer, the open and-shut mode of solenoid valve and dew point monitoring information;The power module, for for
Control circuit provides power supply.
Compared with prior art, automatic switchover gas drier provided by the utility model, including two-way drier,
Opening and closing control carries out the corresponding solenoid valve in two-way drier circuit by control circuit, realizes two-way drying circuit
Automatically switch, dried gas is stored in surge flask for use;The utility model includes heating unit, passes through heating unit pair
Drier in drier is heated, and makes the moisture evaporation contained in drier, and drier can be recycled, without tearing open
It unloads drier to be replaced, energy conservation and environmental protection, while heating process accelerates the rate of drying of gas again, improves drying efficiency;This
The surge flask of utility model is directly connected to by pipeline and humidity check system, and the automatic switchover that circuit is dried by two-way can
Continuous supply is provided for the Comparability test of humidity check system, facility is provided for Comparability test;The utility model is simple in structure,
Drying efficiency height and environmental protection and energy saving, have very strong dissemination.
Description of the drawings
It, below will be to needed in embodiment description in order to illustrate more clearly of the technical solution of the utility model
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only one embodiment of the utility model, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of structure diagram for automatically switching gas drier of the utility model;
Wherein:The first driers of 1-, the second driers of 2-, 3- surge flasks, 4- dew point transducers, 5- solenoid valves A, 6- electromagnetism
Valve B, 7- solenoid valve C, 8- solenoid valve D, 9- solenoid valve G, 10- solenoid valve E, 11- solenoid valve F, 12- solenoid valve H, 13- solenoid valve
The first discharge outlet of I, 14-, the second discharge outlet of 15-, 16- heating units, 17- sieve plates, 18- temperature sensors, 19- second pipes,
20- first pipes, the 3rd pipelines of 21-, the 4th pipelines of 22-, the 6th pipelines of 23-, the 5th pipelines of 24-.
Specific embodiment
With reference to the attached drawing in the utility model embodiment, the technical solution in the utility model is carried out clear, complete
Site preparation describes, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiment in the utility model, those of ordinary skill in the art are obtained on the premise of creative work is not made
Every other embodiment, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of automatic switchover gas drier provided by the utility model, including two driers,
Surge flask, gas compressor, dew point transducer, 9 solenoid valves and control circuit;Drier includes the first drier 1 and the
Two driers 2, the first drier 1 and the second drier 2 include air inlet and exhaust outlet;The air inlet bag of first drier 1
The first air inlet and the second air inlet are included, the exhaust outlet of the first drier 1 includes first row gas port and second exhaust port;Second is dry
The air inlet of dry device 2 includes the 3rd air inlet and the 4th air inlet, and the exhaust outlet of the second drier 2 includes the 3rd exhaust outlet and the
Four exhaust outlets;
Gas compressor is connected by pipeline and solenoid valve with the first air inlet and the 4th air inlet respectively;Second exhaust port
It is connected by pipeline and solenoid valve with the 3rd air inlet, the 3rd exhaust outlet is connected by pipeline and solenoid valve with the second air inlet;
Second exhaust port is connected by solenoid valve and pipeline with the 3rd exhaust outlet, the 4th exhaust outlet and surge flask 3 respectively;Dew point sensor
Device 4 is mounted on the shell of surge flask 3, for detecting dew point;First row gas port is used as first by the pipeline that solenoid valve is drawn
Discharge outlet 14, the 4th exhaust outlet are used as the second discharge outlet 15 by the pipeline that solenoid valve is drawn;
Temperature sensor 18, dew point transducer 4 and solenoid valve are electrically connected respectively with control circuit;By controlling electricity
Road controls being turned on and off for corresponding solenoid valve, that is, realizes the automatic switchover of drying system, and gas to be dried is made to be dried in two-way
Device is dried in circuit, and dried gas is stored in surge flask 3 for use.
9 solenoid valves are respectively solenoid valve A5, solenoid valve B6, solenoid valve C7, solenoid valve D8, solenoid valve G9, solenoid valve
E10, solenoid valve F11, solenoid valve H12 and electromagnetic valve I 13;Solenoid valve A5, solenoid valve B6, solenoid valve C7, solenoid valve D8, solenoid valve
G9, solenoid valve E10, solenoid valve F11 and electromagnetic valve I 13 are two three-way electromagnetic valves, and solenoid valve H12 is four way solenoid valve.
Pipe between 4th air inlet of the first air inlet and the second drier 2 of gas compressor and the first drier 1
Road is first pipe 20;Pipeline between second air inlet of the first drier 1 and the 3rd exhaust outlet of the second drier 2 is the
Two pipelines 19;Pipeline between 3rd air inlet of the second exhaust port of the first drier 1 and the second drier 2 is the 3rd pipeline
21;Pipeline between solenoid valve E10 and solenoid valve H12 and solenoid valve F11 is the 4th pipeline 22;Solenoid valve H12 and electromagnetic valve I 13
Between pipeline for the 5th pipeline 24, the pipeline between solenoid valve H12 and surge flask 3 is the 6th pipeline 23;First pipe 20,
Two pipelines 19, the 3rd pipeline 21 and the 4th pipeline 22 are three-way pipeline, i.e., are connected three pipelines by tee pipe coupling,
Form T-shaped gas circuit;5th pipeline 24 and the 6th pipeline 23 are two siphunculus road.
One end of solenoid valve A5 and solenoid valve D8 respectively with the first air inlet of the first drier 1 and the second drier 2
4th air inlet connects, and both ends of the other end respectively with first pipe 20 are connected, the other end and gas compression of first pipe 20
Machine connects;One end of solenoid valve B6 is connected with the second air inlet of the first drier 1, and one end of the other end and second pipe 19 connects
It connects, the one end of the another both ends of second pipe 19 respectively with the 3rd exhaust outlet of the second drier 2 and solenoid valve F11 is connected;Electromagnetism
One end of valve C7 is connected with the 3rd air inlet of the second drier 2, and the other end is connected with one end of the 3rd pipeline 21, the 3rd pipeline
The one end of 21 another both ends respectively with the second exhaust port of the first drier 1 and solenoid valve E10 is connected;One end of solenoid valve G9 with
The first row gas port connection of first drier 1, the other end are connected with 14 pipeline of the first discharge outlet;The other end of solenoid valve E10 with
One end connection of 4th pipeline 22, the another both ends of the 4th pipeline 22 respectively with the other end of solenoid valve F11 and solenoid valve H12 one
End;Solenoid valve H12 distinguishes at another three end one end of the 5th pipeline 24, one end of the 6th pipeline 23 and 15 pipeline of the second discharge outlet and connects
It connects;The other end of 5th pipeline 24 is connected with one end of electromagnetic valve I 13, and the of the other end of electromagnetic valve I 13 and the second drier 2
Four exhaust outlets connect;The other end of 6th pipeline 23 is connected with surge flask 3.
Between pipeline and solenoid valve, between pipeline and surge flask 3 and the air inlet and exhaust outlet of pipeline and drier it
Between be to be connected through a screw thread.
Gas-drying system further includes humidity check system, and humidity check system is connected by pipeline with surge flask 3, so as to
The dry gas being stored in surge flask 3 is supplied directly to humidity check system, and experiment is compared;Pipeline and humidity verification system
It is to be attached by quick coupling between system.
Drier includes sieve plate 17, heating unit 16 and the temperature sensor 18 of shell and setting inside the shell;
Drier is equipped between sieve plate 17;Temperature sensor 18, for detecting the temperature in drier;The both ends of shell be respectively equipped with into
Gas port and exhaust outlet;Heating unit 16 is electrically connected with control circuit, according to the temperature data that temperature sensor 18 detects, is sentenced
The heating effect of disconnected heating unit 16 and the state of cooling of gas, are heated by heating unit 16, are made in drier
The moisture evaporation contained, drier can be recycled, and are not required to dismounting drier and are replaced, energy conservation and environmental protection.Heating unit 16 is adopted
Use heater strip.
Control circuit includes PLC controller and the temperature sensor 18, the dew point transducer that are connected respectively with PLC controller
4th, heating unit 16, power module, solenoid valve and button and display module;Temperature sensor 18, for detecting in drier
Temperature, the heating effect of heating unit 16 and the gas state of cooling are judged according to temperature information;Dew point transducer 4, for examining
The dew point information of gas in surge flask 3 is surveyed, excludes to drift about caused by temperature change, dust and aging, reliable survey is provided
Amount;Heating unit 16, for being thermally dried agent in drier;PLC controller, for according to temperature sensor 18, dew
The gathered data of point sensor 4 is analyzed and processed, control solenoid valve be turned on and off, control heating unit 16 heated or
It closes;Button and display module, for the temperature monitoring value in setup parameter and display present dryer, the opening and closing shape of solenoid valve
State and dew point monitoring information;Power module provides power supply for circuit in order to control.Dew point transducer 4 uses aluminium oxide capacitance-resistance
Sensor.
The course of work of the automatic switchover gas drier of the utility model is:
(1)By gas compressor by first pipe 20 and solenoid valve A5, solenoid valve D8 respectively with the first drier 1
4th air inlet of one air inlet and the second drier 2 is attached, and opens the power supply of drying system;
(2)PLC controller control solenoid valve A5, solenoid valve C7, solenoid valve E10, solenoid valve H12 open work, solenoid valve
B6, solenoid valve D8, solenoid valve F11, solenoid valve G9, electromagnetic valve I 13 are closed, and gas to be dried is after gas compressor compresses
Entered by the first air inlet in the first drier 1;
(3)Start the heating unit 16 in the first drier 1 and begin to warm up work, close solenoid valve C7, when the first drying
After temperature sensor 18 in device 1 detects that the temperature in the first drier 1 reaches set temperature value, PLC controller control the
Heating unit 16 in one drier 1 is closed, and electromagnetic valve I 13 is opened, and is discharged moisture by the second discharge outlet 15, after drying
Gas cooling after into 3 memory storage of surge flask, it is spare, complete the gas dry in the first drying circuit;
(4)PLC controller control solenoid valve D8, solenoid valve F11, solenoid valve H12, solenoid valve B6 open work, solenoid valve
A5, solenoid valve C7, solenoid valve E10, solenoid valve G9, electromagnetic valve I 13 are closed, and gas to be dried is after gas compressor compresses
Entered by the 4th air inlet in the second drier 2;
(5)Start the heating unit 16 in the second drier 2 and begin to warm up work, close solenoid valve B6, when the second drying
After temperature sensor 18 in device 2 detects that the temperature in the second drier 2 reaches set temperature value, PLC controller control the
Heating unit 16 in two driers 2 is closed, and solenoid valve G9 is opened, and is discharged moisture by the first discharge outlet 14, after drying
Gas cooling after into 3 memory storage of surge flask, it is spare, complete the gas dry in the second drying circuit;
(6)Circuit is dried to two-way by control circuit to automatically switch to carry out gas dry, dried gas stores
It is for use in surge flask 3;Can be that humidity check system continuously provides dry gas, so that experiment is compared;When first
After the completion of the gas dry processing in dry circuit, the second drying circuit is automatically switched to;Through the first drying dried gas in circuit
Body is stored in surge flask 3, is supplied to humidity check system that experiment is compared, while the second drying circuit carries out gas dry
Processing, dry gas after cooling enter 3 memory storage of surge flask, and the continuous Comparability test for humidity check system provides dry
Gas.
The continuous drying of gas is realized in automatic switchover between first drying circuit and the second drying circuit, is ensureing two-way
Drier improves the efficiency of gas dry while not being chronically at working condition, reduce the component deterioration of drying system, prolong
The service life of long drying system can provide continuous supply for humidity check system;In the drying process, heating unit 16 into
Row heating work, not only heats drier, recycles drier, without replacing, and to being done
Dry gas also functions to heat effect, improves the rate of drying of gas, improves drying efficiency.
Above disclosed is only specific embodiment of the present utility model, but the scope of protection of the utility model not office
It is limited to this, in the technical scope that any one skilled in the art discloses in the utility model, change can be readily occurred in
Change or modification, should be covered within the scope of the utility model.
Claims (10)
1. a kind of automatic switchover gas drier, it is characterised in that:Including drier, surge flask(3), gas compressor, temperature
Spend sensor(18), dew point transducer(4), multiple solenoid valves and control circuit;The drier includes the first drier(1)
With the second drier(2), first drier(1)With the second drier(2)Include air inlet and exhaust outlet;Described first
Drier(1)Air inlet include the first air inlet and the second air inlet, first drier(1)Exhaust outlet include first
Exhaust outlet and second exhaust port;Second drier(2)Air inlet include the 3rd air inlet and the 4th air inlet, described the
Two driers(2)Exhaust outlet include the 3rd exhaust outlet and the 4th exhaust outlet;
The gas compressor is connected by pipeline and solenoid valve with first air inlet and the 4th air inlet respectively;Described
Two exhaust outlets are connected by pipeline and solenoid valve with the 3rd air inlet, and the 3rd exhaust outlet passes through pipeline and solenoid valve and second
Air inlet connects;The second exhaust port by solenoid valve and pipeline respectively with the 3rd exhaust outlet, the 4th exhaust outlet and buffering
Bottle(3)Connection;The dew point transducer(4)Mounted on the surge flask(3)Shell on, for detecting dew point;Described first
Exhaust outlet is used as the first discharge outlet by the pipeline that solenoid valve is drawn(14), pipe that the 4th exhaust outlet is drawn by solenoid valve
Road is as the second discharge outlet(15);
The temperature sensor(18), dew point transducer(4)And solenoid valve is electrically connected respectively with the control circuit;It is logical
It crosses control circuit and controls being turned on and off for corresponding solenoid valve, that is, realize the automatic switchover of drying system, gas to be dried is made to exist
Two-way drier is dried in circuit, and dried gas is stored in surge flask(3)It is interior for use.
2. automatically switch gas drier as described in claim 1, it is characterised in that:The solenoid valve is 9, is respectively
Solenoid valve A(5), solenoid valve B(6), solenoid valve C(7), solenoid valve D(8), solenoid valve G(9), solenoid valve E(10), solenoid valve F
(11), solenoid valve H(12)And electromagnetic valve I(13);The solenoid valve A(5), solenoid valve B(6), solenoid valve C(7), solenoid valve D
(8), solenoid valve G(9), solenoid valve E(10), solenoid valve F(11)And electromagnetic valve I(13)For two three-way electromagnetic valves, the solenoid valve H
(12)For four way solenoid valve.
3. automatically switch gas drier as claimed in claim 2, it is characterised in that:The gas compressor and first dry
Dry device(1)The first air inlet and the second drier(2)The 4th air inlet between pipeline be first pipe(20);First is dry
Dry device(1)The second air inlet and the second drier(2)The 3rd exhaust outlet between pipeline be second pipe(19);First is dry
Dry device(1)Second exhaust port and the second drier(2)The 3rd air inlet between pipeline be the 3rd pipeline(21);Solenoid valve
E(10)With solenoid valve H(12)With solenoid valve F(11)Between pipeline be the 4th pipeline(22);Solenoid valve H(12)With electromagnetic valve I
(13)Between pipeline be the 5th pipeline(24), solenoid valve H(12)With surge flask(3)Between pipeline be the 6th pipeline(23);
The first pipe(20), second pipe(19), the 3rd pipeline(21)With the 4th pipeline(22)For three-way pipeline, the 5th pipeline
(24)With the 6th pipeline(23)For two siphunculus road.
4. automatically switch gas drier as claimed in claim 3, it is characterised in that:The solenoid valve A(5)And electromagnetism
Valve D(8)One end respectively with first drier(1)The first air inlet and the second drier(2)The 4th air inlet connect
Connect, the other end respectively with the first pipe(20)Both ends connection, the first pipe(20)The other end and the gas
Compressor connects;The solenoid valve B(6)One end and the first drier(1)The connection of the second air inlet, the other end and described the
Two pipelines(19)One end connection, the second pipe(19)Another both ends respectively with the second drier(2)The 3rd exhaust outlet
With solenoid valve F(11)One end connection;The solenoid valve C(7)One end and the second drier(2)The 3rd air inlet connection,
The other end and the 3rd pipeline(21)One end connection, the 3rd pipeline(21)Another both ends respectively with the first drier(1)'s
Second exhaust port and solenoid valve E(10)One end connection;The solenoid valve G(9)One end and the first drier(1)First row
Gas port connects, the other end and the first discharge outlet(14)Pipeline connects;The solenoid valve E(10)The other end and the 4th pipeline
(22)One end connection, the 4th pipeline(22)Another both ends respectively with the solenoid valve F(11)The other end and solenoid valve H
(12)One end;The solenoid valve H(12)Distinguish the 5th pipeline in another three end(24)One end, the 6th pipeline(23)One end
And second discharge outlet(15)Pipeline connects;5th pipeline(24)The other end and the electromagnetic valve I(13)One end connect
It connects, the electromagnetic valve I(13)The other end and second drier(2)The 4th exhaust outlet connection;6th pipeline
(23)The other end and the surge flask(3)Connection.
5. automatically switch gas drier as described in claim 1, it is characterised in that:Further include humidity check system, institute
It states humidity check system and passes through pipeline and the surge flask(3)Connection.
6. the automatic switchover gas drier as described in claim 1 or 5, it is characterised in that:The drier include shell,
And the sieve plate of setting inside the shell(17), heating unit(16)And temperature sensor(18);In the sieve plate(17)Between
Equipped with drier;The temperature sensor(18), for detecting the temperature in drier;The both ends of the shell are respectively equipped with institute
The air inlet and exhaust outlet stated;The heating unit(16)It is electrically connected with control circuit.
7. automatically switch gas drier as claimed in claim 6, it is characterised in that:The heating unit(16)Using adding
Heated filament or heating rod.
8. the automatic switchover gas drier as described in claim 1 or 5, it is characterised in that:The drier is molecular sieve
One kind in drier or aluminium oxide.
9. automatically switch gas drier as described in claim 1, it is characterised in that:The control circuit is controlled including PLC
Device processed and the temperature sensor being connected respectively with PLC controller(18), dew point transducer(4), heating unit(16), power supply mould
Block, solenoid valve and button and display module;The temperature sensor(18), for detecting the temperature in drier;The dew
Point sensor(4), for detecting surge flask(3)The dew point information of interior gas;The heating unit(16), in drier
It is thermally dried agent;The PLC controller, for according to temperature sensor(18), dew point transducer(4)Gathered data into
Row analyzing and processing, control solenoid valve are turned on and off, and control heating unit(16)It is heated or is closed;The button and display
Module, for the temperature monitoring value in setup parameter and display present dryer, the open and-shut mode and dew point monitoring of solenoid valve
Information;The power module provides power supply for circuit in order to control.
10. the automatic switchover gas drier as described in claim 1 or 9, it is characterised in that:The dew point transducer(4)
Using aluminium oxide resistive-capacitive sensor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721083122.7U CN207385157U (en) | 2017-08-28 | 2017-08-28 | A kind of automatic switchover gas drier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721083122.7U CN207385157U (en) | 2017-08-28 | 2017-08-28 | A kind of automatic switchover gas drier |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109011926A (en) * | 2018-08-21 | 2018-12-18 | 孙维 | A kind of equipment for treating industrial waste gas of water in dust removal circulation |
CN111085089A (en) * | 2020-01-22 | 2020-05-01 | 江苏省送变电有限公司 | Full-automatic drying, purifying and decompressing device applied to SF6 gas transmission system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109011926A (en) * | 2018-08-21 | 2018-12-18 | 孙维 | A kind of equipment for treating industrial waste gas of water in dust removal circulation |
CN111085089A (en) * | 2020-01-22 | 2020-05-01 | 江苏省送变电有限公司 | Full-automatic drying, purifying and decompressing device applied to SF6 gas transmission system |
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