CN201748163U

CN201748163U - Online detecting and recovery processing equipment for condensate in low-pressure condensable gas underground pipelines

Info

Publication number: CN201748163U
Application number: CN201020246245XU
Authority: CN
Inventors: 赵志明; 靳淳
Original assignee: Zhejiang Titan Design & Engineering Co Ltd
Current assignee: Zhejiang Titan Design & Engineering Co Ltd
Priority date: 2010-07-01
Filing date: 2010-07-01
Publication date: 2011-02-16
Anticipated expiration: 2020-07-01

Abstract

The utility model relates to online detecting and recovery processing equipment for condensate in low-pressure condensable gas underground pipelines, comprising a gas-liquid separator and a controller. The gas-liquid separator consists of a shell and a top cover, wherein an inlet pipe and an outlet pipe are respectively arranged on the shell, a safety vent pipe communicated with the inner chamber of the shell, a liquid suction pipe, a liquid level detector and a manual detecting hole are arranged on the top cover; a vent valve is connected with the air vent pipe, a fore pump valve, a self-sucking pump, a pressure gauge, a check valve, a pump outlet changeover valve and a condensate accommodating bucket are orderly connected with the liquid suction pipe; the inlet pipe is arranged in bottom center part of the shell; the outlet pipe is arranged in top center part of the shell; and the controller is respectively fit with the liquid level detector and the self-sucking pump. The equipment has the advantages of simple structure, operating safely and conveniently, working stably, and separating, detecting and recycling the condensate in low-pressure condensable gas underground pipelines effectively.

Description

The online detection recycling equipment of low pressure condensable gas underground utility lime set

Technical field

The utility model belongs to the online detection processing technology field of a kind of gas delivery underground utility lime set, particularly relates to the online detection recycling equipment of a kind of low pressure condensable gas underground utility lime set.

Background technique

In the prior art, outlet pipe, the layout of pipelines such as gas sampling pipe is often because above space, ground is subjected to the restriction of objective condition, pipeline can only buried-pipe laying, and in the gas line some pressure less than the non-pressure pipeline of 0.1MPa when the buried-pipe laying, because of there being situations such as temperature drop or gas-liquid separation, make gas be deposited on duct bottom for a long time at the liquid of pipeline inner accumulated, cause gas stifled at lower curtate, influence the conveying of gas, corrosion pipeline, cause potential safety hazard, and can't find, collect, reclaim, and total amount of liquid is few, how do not influencing under the situation that main pipe buries the ground layout requirement dynamic monitoring, irregularly extract condensed fluid and become one of problem that receives much concern.

Summary of the invention

The purpose of this utility model be to provide a kind of have simple in structure, safe in utilization, easy to operate, stable, can separate, detect, reclaim the online detection recycling equipment of low pressure condensable gas underground utility lime set of lime set in the low pressure condensable gas underground utility effectively.

The purpose of this utility model is to adopt such technological scheme to realize: it comprises gas-liquid separator, level sensor, controller, the safety vent pipe, atmospheric valve, pumping pipe, self-priming pump, safety check and lime set are accepted bucket, described gas-liquid separator is made up of housing and top cover, it is characterized in that being respectively equipped with on the described housing suction tude and steam outlet pipe, on top cover, be provided with the safety vent pipe that communicates with the housing inner chamber, pumping pipe, level sensor and manual detection hole, on the air blow-down pipe, be connected with atmospheric valve, on pumping pipe, be connected with valve before the pump in turn, self-priming pump, pressure gauge, safety check, pump discharge switching valve and lime set are accepted bucket, described suction tude is arranged on the position, middle and lower part of housing, described steam outlet pipe is arranged on the position, middle and upper part of housing, and described controller matches with level sensor and self-priming pump respectively.

The utility model adopts and be respectively equipped with suction tude and steam outlet pipe on housing, on top cover, be provided with the safety vent pipe that communicates with the housing inner chamber, pumping pipe, level sensor and manual detection hole, on the air blow-down pipe, be connected with atmospheric valve, on pumping pipe, be connected with valve before the pump in turn, self-priming pump, pressure gauge, safety check, pump discharge switching valve and lime set are accepted the structure of bucket, it can utilize conveying gas to flow to gas flow flip-flop behind the gas-liquid separator, flow velocity is slack-off, drop is sunken to the gas-liquid separator bottom because of gravity greatly downwards than gas, dry gas after the separation flows out from gas-liquid separator top, reaches the effect of gas-liquid separation; The liquid of condensation separation flows into gas-liquid separator along conduit slope in conveyance conduit in addition.The gas-liquid separator fluid accumulation is after certain liquid level, and the level chain turn on pump extracts hydrops, reaches the effect of discharging the lime set of gas underground utility automatically effectively.

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail

Description of drawings

Fig. 1 is a structural representation of the present utility model

Fig. 2 is a behaviour in service schematic representation of the present utility model.

Fig. 3 is a working principle schematic representation of the present utility model.

Label declaration: valve, 9-safety check, 10-pump discharge switching valve, 11-pump discharge switching valve, 12-lime set are accepted bucket, 13-pressure gauge, 14-self-priming pump, 15-steam outlet pipe, 16-housing inner chamber, 17-housing, 18-suction tude, 19-flame trap, 20-gas inlet pipeline, 21-well lid, 22-gas outlet pipeline, 23-basis well before 1-safety vent pipe, 2-atmospheric valve, 3-top cover, 4-manual detection hole, 5-level sensor, 6-controller, 7-pumping pipe, the 8-pump.

Embodiment

With reference to accompanying drawing 1-Fig. 3: the utility model comprises gas-liquid separator, controller 6, safety vent pipe 1, atmospheric valve 2, pumping pipe 7, self-priming pump 14, safety check 9 and lime set are accepted bucket 12, described gas-liquid separator is made up of housing 17 and top cover 3, be respectively equipped with suction tude 18 and steam outlet pipe 15 on the described housing 17, on top cover 3, be provided with the safety vent pipe 1 that communicates with housing inner chamber 16, pumping pipe 7, level sensor 5 and manual detection hole 4, on air blow-down pipe 1, be connected with atmospheric valve 2, valve 8 before on pumping pipe 7, being connected with pump in turn, self-priming pump 14, pressure gauge 13, safety check 9, pump

discharge switching valve

10,11 and lime set accept bucket 12, the import of described pumping pipe 7 is positioned at the bottom of housing inner chamber 16; Described suction tude 18 is arranged on the position, middle and lower part of housing 17, and described steam outlet pipe 15 is arranged on the position, middle and upper part of housing 17, and the mouth of pipe top edge of described suction tude 18 is lower than the mouth of pipe lower limb of steam outlet pipe 15, and the downside of described suction tude 18 is the lime set collection space.Opening of steps formula manual detection hole is adopted in described manual detection hole 4; On safety vent pipe 1, be connected with atmospheric valve 2 and flame trap 19; Controller 6 adopts a kind of in DCS Distributed Control Systems, PLC programmable controller and the control instrument, this controller 6 is connected with level sensor 5, self-priming pump 14 electricity respectively, described level sensor 5 can be sent to controller 6 with the liquid level information of surveying, controller 6 can be handled the liquid level information that receives, and controls self-priming pump 14 working staties automatically according to working procedure; When the liquid level in the housing 17 reached the amount that needs discharging, controller 6 can be controlled the startup operation of self-priming pump 14, to realize discharging automatically the effect of condensation water.

When the utility model uses, described gas-liquid separator is placed in the basic well 23 that is provided with well lid 21, and with the suction tude 18 of gas-liquid separator and steam outlet pipe 15 gas inlet pipeline 20 and the gas export pipeline 22 of fixed seal connections in the gas delivery pipeline respectively, gas in gas inlet pipeline 20 ceaselessly flows under the effect of air pressure, the a small amount of volatilization gas that contains in the gas condenses into drop and partly stays in gas inlet pipeline 20 bottoms slowly flow to gas-liquid separator inner chamber 16 bottoms when gas-liquid separator suction tude 18, gas directly enters gas-liquid separator inner chamber 16 bottoms through gas-liquid separator inlet tube 18 in the gas inlet pipeline 20, gas flows to flip-flop in housing inner chamber 16, and because of expanding stream, make gas flow rate slack-off, drop is deposited on the bottom of inner chamber 16 downwards under action of gravity, thereby realizes gas-liquid separation; Dry gas after the separation flows out from gas outlet pipeline 22, after the fluid accumulation certain liquid level, level sensor 5 sends to controller 6 with the liquid level information that detection obtains, the level detection information of 6 pairs of acceptance of controller is handled, send the turn on pump interlocking signal then and open self-priming pump 14, the lime set of housing inner chamber 16 bottoms is through pumping pipe 7, valve 8 before the pump, self-priming pump 14, behind the safety check 9, by pump

discharge switching valve

10,11 switch to the lime set reclaiming system that lime set is accepted bucket 12 or gone appointment, gas-liquid separator inner chamber 16 bottom lime sets are stopped self-priming pump 14 automatically after low liquid level, finish and separate and callback course.

When needs carry out manual detection, need close air delivering pipeline, promptly stop gas transmission, open atmospheric valve 2 then, the gas in the housing inner chamber 16 is through the 1 safe exhaust of safety vent pipe, and exhaust finishes, open Opening of steps formula manual detection hole 4, the consumption liquid level ruler detects the lime set situation, determines how next step operates, thereby reaches the effect of the lime set of discharging the gas underground utility effectively.

Claims

1. the online detection recycling equipment of low pressure condensable gas underground utility lime set, it comprises gas-liquid separator, level sensor, controller, the safety vent pipe, atmospheric valve, pumping pipe, self-priming pump, safety check and lime set are accepted bucket, described gas-liquid separator is made up of housing and top cover, it is characterized in that being respectively equipped with on the described housing suction tude and steam outlet pipe, on top cover, be provided with the safety vent pipe that communicates with the housing inner chamber, pumping pipe, level sensor and manual detection hole, on the air blow-down pipe, be connected with atmospheric valve, on pumping pipe, be connected with valve before the pump in turn, self-priming pump, pressure gauge, safety check, pump discharge switching valve and lime set are accepted bucket, described suction tude is arranged on the position, middle and lower part of housing, described steam outlet pipe is arranged on the position, middle and upper part of housing, and described controller matches with level sensor and self-priming pump respectively.

2. the online detection recycling equipment of low pressure condensable gas underground utility lime set according to claim 1 is characterized in that being connected with atmospheric valve and flame trap on the described safety vent pipe.

3. the online detection recycling equipment of low pressure condensable gas underground utility lime set according to claim 1 is characterized in that the mouth of pipe top edge of described suction tude is lower than the mouth of pipe lower limb of steam outlet pipe, and the downside of described suction tude is the lime set collection space.

4. the online detection recycling equipment of low pressure condensable gas underground utility lime set according to claim 1 is characterized in that described manual detection hole employing Opening of steps formula manual detection hole.

5. the online detection recycling equipment of low pressure condensable gas underground utility lime set according to claim 1 is characterized in that the import of described pumping pipe is positioned at the bottom of housing inner chamber.

6. the online detection recycling equipment of low pressure condensable gas underground utility lime set according to claim 1 is characterized in that described controller adopts a kind of in DCS Distributed Control System, PLC programmable controller and the control instrument.