CN201050684Y

CN201050684Y - Recovery vehicle

Info

Publication number: CN201050684Y
Application number: CNU2007200074072U
Authority: CN
Inventors: 郑志远
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-06-19
Filing date: 2007-06-19
Publication date: 2008-04-23
Anticipated expiration: 2017-06-19

Abstract

The utility model relates to a recovered vehicle, which is characterized in that the recovered vehicle comprises a frame provided with wheels and a recovered charging/pumping device arranged at the frame. The recovered charging/pumping device is provided with a pumping pipeline and a charging pipeline, wherein, the pumping pipeline starts from a gas inlet of the system; after in series connecting with a top air intake valve and an inlet valve in order, the pumping pipeline is connected to the input end of a SF6 compressor and then in series connected with a top condensing device, a one-way valve, a filling control valve in order by the output end of the SF6 compressor, and finally connected to the gas filled mouth; one end of the charging pipeline is connected between the one-way valve and the filling control valve, and is in series connected with a filter control valve, pressure regulating valves, a dry filtration device and a flow valve in order, and then is connected between the air intake valve and the inlet valve. The device has the advantages of good effect of recovery and charging, high vacuum degree in the device, low loss for gas, reliable performance, simple structure, reasonable concept, being moved when in use, and easy and convenient operation.

Description

Recovery vehicle

Technical field

The utility model relates to a kind of recovery vehicle, is a kind ofly to handle the underproof sulfur hexafluoride gas of little water or in the sulfur hexafluoride gas regeneration that the high-temperature electric arc effect is decomposed, be that the power industry regular maintenance is filled with the irreplaceable service kit of sulphur hexafloride circuit breaker.

Background technique

SF ₆Gas is a kind of industrial gas; because it has good insulation performance; has the parameter height with its electric equipment of making as insulating gas; stable performance; reliable advantage; therefore in the production of common electrical equipment; make; install; safeguard and particle accelerator; have a wide range of applications in the insulation protection of precision equipments such as roentgen rays; yet after this electrical equipment long-time running; the water content of accumulation and impurity meeting overshoot standard; cause its insulating property destroyed; the etching apparatus part; produce pollution and toxic hazard; so need be periodic maintenance maintenance, SF in the maintaining process to these electrical equipments ₆Recovery and regeneration be present common way, existing SF ₆Recovery is taken out and is filled complexity, heavy of interposed structure, and it is good inadequately to reclaim and charge into effect, and the degree of vacuum of equipment is relatively poor, and performance is reliable inadequately, and air-loss is higher, is not easy to move, and operation is convenient inadequately.

Summary of the invention

The purpose of this utility model is to provide a kind of recovery vehicle, and this device comprises four big functions: high pressure SF ₆Gas liquefaction and recovery; SF ₆Regeneration and dry filter; Gas recharges; Vacuumize.This device reclaims and charges into effective, the degree of vacuum height of equipment, and the gas consume is low, reliable performance.

The utility model is such: a kind of recovery vehicle, it is characterized in that, comprise vehicle frame and be located at recovery on the vehicle frame and take out to fill and put with wheel, described recovery takes out to fill to put has the pipeline of bleeding and inflation line, the described pipeline of bleeding is begun by system's suction port, after being connected in series upper inlet valve, inlet valve successively, be connected to SF ₆The input end of compressor is again by SF ₆The output terminal of compressor is connected in series condensing plant, one-way valve, filling control valve successively, be connected to gas at last and fill mouth, described inflation line one end is connected in individual event valve and fills between the control valve, after series connection is gone up and filtered control valve, pressure regulator valve, dry filter equipment, flow valves successively, be connected between suction valve and the inlet valve.

The utility model has the advantages that: to SF ₆The recovery of gas, regeneration and charge into effective, the degree of vacuum height of equipment, air-loss is low, reliable performance, and simple in structure, reasonable idea, removable in the using process, simple to operation.

Description of drawings

Fig. 1 is plan structure figure of the present utility model;

Fig. 2 is a side-looking structural drawing of the present utility model;

Fig. 3 is the principle schematic that the utility model reclaims the pumping and filling machine structure.

Among Fig. 1 and Fig. 2, the 1st, vacuum pump; The 2nd, air compressor; The 3rd, SF ₆Compressor; The 4th, dry filter equipment; The 5th, electric control cubicle; The 6th, valve; The 7th, power line; The 8th, condensing plant; The 9th, vehicle frame; The 10th, wheel.

Embodiment

Below in conjunction with accompanying drawing the utility model being done one describes in detail.

The utility model relates to a kind of recovery vehicle, it is to constitute like this: comprise the vehicle frame 9 with wheel 10 and be located at recovery on the vehicle frame 9 and take out to fill and put, described recovery takes out to fill to put has the pipeline of bleeding and inflation line, the described pipeline of bleeding is begun by system's suction port, after being connected in series upper inlet valve V1, inlet valve V3 successively, be connected to SF ₆The input end of compressor 3 is again by SF ₆The output terminal of compressor 3 is connected in series condensing plant 8, one-way valve CV successively, fills control valve V6, be connected to gas at last and fill mouth, described inflation line one end is connected in individual event valve CV and fills between the control valve V6, after being in series with filtration control valve V5, pressure regulator valve PR, dry filter equipment 4, flow valves V4 successively, be connected between suction valve V1 and the inlet valve V3.

In order to realize that system and electrical equipment are vacuumized, also be connected with vacuum pump suction arm between above-mentioned suction valve V1 and the inlet valve V3, described arm is provided with vacuum pump inlet valve V2.

In order to remove SF ₆Moisture in the gas and impurity are connected with the sample tap arm between above-mentioned dry filter equipment 4 and the flow valves V4, and branch road is provided with sampling cock V7.

Above-mentioned SF ₆The piston interlock in the piston of compressor 3 and a gas storehouse, the inlet in described gas storehouse links to each other with the output terminal of air compressor 2, in order to drive SF ₆Compressor 3 work.

For the operation that guarantees that security of system is stable, above-mentioned SF ₆Be respectively equipped with a safety valve SV2, SV3, SV4 on the pipeline of compressor 3 outlet end, filtration control valve V5 entry end, dry filter equipment 4 outlet end.

For convenience system pressure is monitored above-mentioned SF ₆The pipeline of compressor 3 entry ends is provided with vacuum gauge VG1 and inlet pressure table PG1, is provided with pressure gauge PG2 between described filtration control valve V5 and the pressure regulator valve PR.

Above-mentioned condensing plant 8 comprises condensation heat dissipating pipe and condensation fan.

Above-mentioned dry filter equipment 4 comprises device for drying and filtering and filter heater.

SF of the present utility model ₆Gas recovery vehicle operating procedure:

The first step: connect flexible pipe outside the recovery vehicle body reaches and vacuumize step

1. close SF ₆The Switch main body bleed valve;

2. close the recovery gas cylinder valve;

3. opening recovery vehicle body valve V1, V2, V3, V4, V5, V6 gets final product;

4. open vacuum-pump power supply and found time 15 minutes, be evacuated to≤133Pa or optimum value throttle down V2;

5. close vacuum-pump power supply.

Second step: the GIS switch is reclaimed SF ₆Step

1. close valve V4, V5, V7;

2. open the GIS body and charge and discharge valve and this device valve V1, V3, V6;

3. open storage cylinder fitted body valve;

4. open the compressor power switch then, gas is recovered to steel cylinder, equal barometric pressure up to GIS switch body internal pressure, can the close compressor power supply.

The 3rd step: the GIS switch is vacuumized step

1. throttle down V3, V4, V5, V6, V7;

2. beat the GIS switch valve;

3. open valve V1, V2 then;

4. open the vacuum-pump power supply switch to the GIS switch find time until≤133Pa or optimum value;

5. close the GIS switch valve;

6. throttle down V1, V2 then;

7. close the vacuum-pump power supply switch.

The 4th step: the GIS switching gas is recharged and the filtration of regenerating

1. close V2, V3 and pressure regulator valve PR;

2. open GIS Switch main body valve then;

3. open valve V1, V2.

Claims

1. recovery vehicle, it is characterized in that, comprise vehicle frame and be located at recovery on the vehicle frame and take out to fill and put with wheel, described recovery takes out to fill to put has the pipeline of bleeding and inflation line, the described pipeline of bleeding is begun by system's suction port, after being connected in series upper inlet valve (V1), inlet valve (V3) successively, be connected to SF ₆The input end of compressor is again by SF ₆The output terminal of compressor is connected in series condensing plant, one-way valve (CV) successively, fills control valve (V6), be connected to gas at last and fill mouth, described inflation line one end is connected in individual event valve (CV) and fills between the control valve (V6), after series connection is gone up and filtered control valve (V5), pressure regulator valve (PR), dry filter equipment, flow valves (V4) successively, be connected between suction valve (V1) and the inlet valve (V3).

2. recovery vehicle according to claim 1 is characterized in that, also is connected with vacuum pump suction arm between described suction valve (V1) and the inlet valve (V3), and described arm is provided with vacuum pump inlet valve (V2).

3. recovery vehicle according to claim 1 is characterized in that, is connected with the sample tap arm between described dry filter equipment and the flow valves (V4), and branch road is provided with sampling cock (V7).

4. according to claim 1,2 or 3 described recovery vehicles, it is characterized in that described SF ₆The piston interlock in the piston of compressor and a gas storehouse, the inlet in described gas storehouse links to each other with the output terminal of air compressor.

5. according to claim 1,2 or 3 described recovery vehicles, it is characterized in that described SF ₆Be respectively equipped with a safety valve on the pipeline of compressor outlet, filtration control valve (V5) entry end, dry filter equipment outlet end.

6. according to claim 1,2 or 3 described recovery vehicles, it is characterized in that described SF ₆The pipeline of suction port of compressor end is provided with vacuum gauge (VG1) and inlet pressure table (PG1), is provided with pressure gauge (PG2) between described filtration control valve (V5) and the pressure regulator valve (PR).

7. according to claim 1,2 or 3 described recovery vehicles, it is characterized in that described condensing plant comprises condensation heat dissipating pipe and condensation fan.

8. according to claim 1,2 or 3 described recovery vehicles, it is characterized in that described dry filter equipment comprises device for drying and filtering and filter heater.