阅读说明：本技术 加油机油气回收的在线监控系统 (Online monitoring system for oil gas recovery of oiling machine ) 是由 陶永强 蒋征学 田茂江 于 2020-05-13 设计创作，主要内容包括：本发明公开了一种加油机油气回收的在线监控系统,包括气体流量计、真空泵、稳压装置和连接于真空泵和油枪之间的管道,所述气体流量计安装于管道,所述管道通过稳压装置与真空泵的进气口连接；所述稳压装置进气部、出气部、调节部和波珠螺丝,所述进气部、调节部和出气部依次连接,所述进气部和出气部分别设有进气通道和出气通道,所述调节部设有进气孔、出气孔和调节孔,所述波珠螺丝安装于调节孔内,所述进气孔的一端通过进气通道与管道连通,所述出气孔的一端通过出气通道与真空泵的进气口连通；所述进气孔的另一端连通于调节孔的底部,而所述出气孔的另一端连通于调节孔的孔壁。本发明可消除管路内气体压力波动,提高了气体流量计计量精度。(The invention discloses an online monitoring system for oil gas recovery of an oiling machine, which comprises a gas flowmeter, a vacuum pump, a pressure stabilizer and a pipeline connected between the vacuum pump and an oil gun, wherein the gas flowmeter is arranged on the pipeline, and the pipeline is connected with an air inlet of the vacuum pump through the pressure stabilizer; the pressure stabilizing device comprises a pressure stabilizing device, an air inlet part, an air outlet part, an adjusting part and a bead screw, wherein the air inlet part, the adjusting part and the air outlet part are sequentially connected, the air inlet part and the air outlet part are respectively provided with an air inlet channel and an air outlet channel, the adjusting part is provided with an air inlet hole, an air outlet hole and an adjusting hole, the bead screw is installed in the adjusting hole, one end of the air inlet hole is communicated with a pipeline through the air inlet channel, and one end of the air outlet hole is communicated with an air inlet of a vacuum pump through the air outlet channel; the other end of the air inlet hole is communicated with the bottom of the adjusting hole, and the other end of the air outlet hole is communicated with the hole wall of the adjusting hole. The invention can eliminate the gas pressure fluctuation in the pipeline and improve the metering precision of the gas flowmeter.)

1. Oiling machine oil gas recovery's on-line monitoring system, its characterized in that: the device comprises a gas flowmeter, a vacuum pump, a pressure stabilizer and a pipeline connected between the vacuum pump and an oil gun, wherein the gas flowmeter is arranged on the pipeline, and the pipeline is connected with an air inlet of the vacuum pump through the pressure stabilizer;

the pressure stabilizing device comprises a pressure stabilizing device, an air inlet part, an air outlet part, an adjusting part and a bead screw, wherein the air inlet part, the adjusting part and the air outlet part are sequentially connected, the air inlet part and the air outlet part are respectively provided with an air inlet channel and an air outlet channel, the adjusting part is provided with an air inlet hole, an air outlet hole and an adjusting hole, the bead screw is installed in the adjusting hole, one end of the air inlet hole is communicated with a pipeline through the air inlet channel, and one end of the air outlet hole is communicated with an air inlet of a vacuum pump through the air outlet channel;

the other end of the air inlet hole is communicated with the bottom of the adjusting hole, and the other end of the air outlet hole is communicated with the hole wall of the adjusting hole;

or the other end of the air inlet hole is communicated with the hole wall of the adjusting hole, and the other end of the air outlet hole is communicated with the bottom of the adjusting hole.

2. The online monitoring system for refueling tanker vapor recovery as recited in claim 1, wherein: the adjusting part is provided with a fastening hole communicated with the adjusting hole, and the fastening screw is screwed into the fastening hole and then abuts against the bead screw.

3. The online monitoring system for refueling tanker vapor recovery as recited in claim 1, wherein: the axes of the air inlet hole and the air outlet hole are both parallel to the axis of the adjusting part; the axial direction of the adjusting hole is the same as the radial direction of the adjusting part.

4. The online monitoring system for refueling tanker vapor recovery as recited in claim 1, wherein: the aperture of the air inlet hole and the aperture of the air outlet hole are both smaller than the aperture of the adjusting hole.

5. The online monitoring system for refueling tanker vapor recovery as recited in claim 1, wherein: the air inlet part, the adjusting part and the air outlet part are integrally formed.

Technical Field

The invention relates to the technology of oiling machine equipment, in particular to an online monitoring system for oil gas recovery of an oiling machine.

Background

At present, a gas flowmeter in a refueling machine of a gas station is a key component of an online monitoring system. When the gun is lifted by an oil filler to be oiled, the vacuum pump works, gas enters the oil tank from the oil gun oil gas recovery port through the pipeline and the gas outlet from the gas flowmeter to the vacuum pump gas inlet, and in secondary oil gas recovery, the metering precision of the gas flowmeter has errors and the gas-liquid ratio is unqualified due to the fact that the gas pressure fluctuation inside the pipeline from the oil gun port to the vacuum pump gas inlet is abnormal.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides an online monitoring system for oil gas recovery of an oiling machine. The online monitoring system for oil gas recovery of the oiling machine can avoid the abnormity of gas pressure fluctuation and ensure the metering precision of the gas flowmeter.

The purpose of the invention is realized by the following technical scheme: the online monitoring system for oil gas recovery of the oiling machine comprises a gas flowmeter, a vacuum pump, a pressure stabilizer and a pipeline connected between the vacuum pump and an oil gun, wherein the gas flowmeter is arranged on the pipeline, and the pipeline is connected with an air inlet of the vacuum pump through the pressure stabilizer;

the pressure stabilizing device comprises a pressure stabilizing device, an air inlet part, an air outlet part, an adjusting part and a bead screw, wherein the air inlet part, the adjusting part and the air outlet part are sequentially connected, the air inlet part and the air outlet part are respectively provided with an air inlet channel and an air outlet channel, the adjusting part is provided with an air inlet hole, an air outlet hole and an adjusting hole, the bead screw is installed in the adjusting hole, one end of the air inlet hole is communicated with a pipeline through the air inlet channel, and one end of the air outlet hole is communicated with an air inlet of a vacuum pump through the air outlet channel;

the other end of the air inlet hole is communicated with the bottom of the adjusting hole, and the other end of the air outlet hole is communicated with the hole wall of the adjusting hole;

or the other end of the air inlet hole is communicated with the hole wall of the adjusting hole, and the other end of the air outlet hole is communicated with the bottom of the adjusting hole.

Preferably, the online monitoring system for oil gas recovery of the oiling machine further comprises a fastening screw, the adjusting part is provided with a fastening hole communicated with the adjusting hole, and the fastening screw is screwed into the fastening hole and then withstands the bead screw.

Preferably, the axes of the air inlet hole and the air outlet hole are both parallel to the axis of the adjusting part; the axial direction of the adjusting hole is the same as the radial direction of the adjusting part.

Preferably, the aperture of the air inlet hole and the aperture of the air outlet hole are both smaller than the aperture of the adjusting hole.

Preferably, the air inlet portion, the regulating portion and the air outlet portion are integrally formed.

Compared with the prior art, the invention has the following advantages:

1. according to the online monitoring system for oil gas recovery of the oiling machine, the pressure stabilizing device is additionally arranged between the pipeline and the vacuum pump, so that the error of the metering precision of the gas flowmeter caused by the abnormal gas pressure fluctuation in the pipeline is prevented, the detection precision of the online monitoring system is improved, and the gas-liquid ratio is ensured to meet the requirement.

2. The pressure stabilizing device additionally arranged in the oil gas recovery online monitoring system of the oiling machine mainly comprises an air inlet part, an air outlet part, an adjusting part and a wave ball screw, and the pressure stabilizing device can eliminate gas pressure fluctuation, stabilize gas pressure and improve the metering precision of a gas flowmeter by passing through the section of an adjusting passage (a passage formed by an air inlet hole, an air outlet hole and an adjusting hole) through a wave ball.

3. This online monitored control system of tanker aircraft vapor recovery has add voltage regulator to need to shut down when the unstable condition of gas-liquid ratio takes place and maintain the debugging again, improved the work efficiency of tanker aircraft, practice thrift cost of labor and time cost.

4. The pressure stabilizing device additionally arranged in the oil gas recovery online monitoring system of the oiling machine mainly comprises an air inlet part, an air outlet part, an adjusting part and a wave ball screw, and is compact in structure, simple in processing technology, easy to assemble, disassemble and maintain and capable of reducing maintenance cost.

Drawings

Fig. 1 is a schematic structural diagram of an online monitoring system for fuel dispenser vapor recovery in embodiment 1.

Fig. 2 is a schematic structural view of the voltage stabilization device of embodiment 1.

Fig. 3 is a sectional view of the pressure stabilizer of embodiment 1.

Fig. 4 is a sectional view taken in the direction of a-a in fig. 3.

Wherein, 1 is the gas flowmeter, 2 is the vacuum pump, 3 is the voltage regulator device, 4 is the pipeline, 5 is the portion of admitting air, 6 is the portion of giving vent to anger, 7 is the regulation portion, 8 is the ripples pearl screw, 9 is inlet channel, 10 is the passageway of giving vent to anger, 11 is the inlet port, 12 is the venthole, 13 is the regulation hole, 14 is fastening screw, 15 is the fastening hole.

Detailed Description

The invention is further illustrated by the following figures and examples.