Oil filling pipeline pressure relief device

Abstract

The utility model discloses an oil filling pipeline pressure relief device which comprises a filtering device, a pressure relief device, a sampling device and a drainage pipe, the filtering device comprises an oil inlet pipe, an oil outlet pipe, a filter and an oil return pipe, one end of the oil outlet pipe is closed, and two oil filling rubber pipes are arranged on the oil outlet pipe; the pressure relief device comprises a pressure relief pipe and a collecting tank, and the two ends of the pressure relief pipe are arranged on the collecting tank and the refueling rubber pipe respectively. The sampling device comprises a sampler; and the sampler is connected with the oil inlet pipe, the oil outlet pipe, the collecting tank and the filter. The pressure relief device has the advantage that the pressure of the refueling rubber pipe can be relieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil filling technical field especially relates to a kind of oil filling pipeline pressure relief device. BACKGROUND

[0002] When tank-type refueling truck carries out oil filling operation, the oil filling rubber tube connected between tank-type refueling truck and oil filling is often subjected to greater pressure effect due to the impact force of oil speed passing through the tube quickly and the influence of oil gravity, and is easily broken after long time work, and there is also the risk of oil overflow at the joint and valve. SUMMARY

[0003] The utility model aims at making up for the deficiencies in the prior art, and provides an oil filling pipeline pressure relief device capable of relieving the pressure of the oil filling rubber tube.

[0004] The utility model discloses a filter device, pressure relief device, sampling device and drain pipe, and the filter device includes oil inlet pipe and oil outlet pipe, is equipped with the filter between oil inlet pipe and oil outlet pipe, is equipped with the drain connecting pipe on the filter, is equipped with the drain connecting pipe ball valve's drain pipe on the other end of drain connecting pipe, is equipped with the oil return pipe between the oil inlet pipe and the oil outlet pipe of filter two ends, is equipped with the oil return pipe pressure gage on the oil return pipe, the other end of oil outlet pipe is closed and is equipped with two oiling rubber tube on the oil outlet pipe close to the closed mouth, is equipped with the double -double break valve on the oil outlet pipe between filter and oiling rubber tube, is equipped with the flowmeter on the oil outlet pipe between filter and double -double break valve, the pressure relief device includes pressure relief pipe and collection jar, is equipped with the collection jar connecting pipe on the collection jar, is equipped with the pressure relief pipe on one end of pressure relief pipe and is equipped with the pressure relief connecting pipe between the other end of pressure relief pipe and every oiling rubber tube, is equipped with the pressure relief connecting pipe ball valve on every pressure relief connecting pipe, is equipped with the drain pipe on the other end of collection jar connecting pipe and is connected between the drain and the drain pipe ball valve, is equipped with the pressure relief pipe pressure gage on the pressure relief pipe, is equipped with the safety valve on the pressure relief pipe between pressure relief pipe pressure gage and collection jar connecting pipe, the sampling device includes sampler, is equipped with the oil inlet sampling pipe between sampler and oil inlet pipe, is equipped with the oil sample connecting pipe one end on the oil inlet sampling pipe, is equipped with the oil sample connecting pipe on the other end of oil sample connecting pipe on the collection jar connecting pipe, is equipped with the oil outlet sampling pipe between oil sample connecting pipe and oil outlet pipe, is equipped with the collection jar sampling connecting pipe between collection jar connecting pipe and sampler, is equipped with the oil inlet sampling pipe valve, the oil outlet sampling pipe valve, the collection jar connecting pipe valve, the oil sample connecting pipe valve and the drain pipe valve respectively on the oil inlet sampling pipe, the oil outlet sampling pipe, the collection jar connecting pipe, the oil sample connecting pipe and the drain pipe, the oil inlet sampling pipe valve is equipped on the oil inlet sampling pipe between oil inlet pipe and oil sample connecting pipe, the oil outlet sampling pipe valve is equipped on the oil outlet sampling pipe between oil outlet pipe and oil sample connecting pipe, the collection jar connecting pipe valve is equipped on the collection jar connecting pipe between collection jar sampling connecting pipe and oil sample connecting pipe, the oil sample connecting pipe valve is equipped on the oil sample connecting pipe between oil outlet sampling connecting pipe and collection jar connecting pipe, the drain pipe valve is equipped on the drain pipe between collection jar connecting pipe and drain, is equipped with the oiling rubber tube ball valve on the oiling rubber tube between oil outlet pipe and every pressure relief connecting pipe.

[0005] The filter is internally provided with the gathering filter element and the separation filter element.

[0006] The oil inlet sampling pipe valve, the oil outlet sampling pipe valve, the collection jar connecting pipe valve, the oil sample connecting pipe valve and the drain pipe valve are all automatic return valves.

[0007] Due to the above technical scheme, the utility model has the advantages that the oiling rubber tube can be relieved. BRIEF DESCRIPTION OF DRAWINGS

[0008] Fig. 1 It is the structure schematic diagram when the utility model is equipped with 2 oiling rubber tubes.

[0009] Fig. 2 is the structure diagram of the utility model with 2 oil filling rubber pipes and connected between the tank type oil truck and the oil can.

[0010] In the drawing: 1, oil inlet pipe; 2, oil outlet pipe; 3, filter; 4, drain connecting pipe; 5, drain port; 6, drain pipe ball valve; 7, drain pipe; 8, oil return pipe; 9, oil return pipe pressure gauge; 10, oil filling rubber pipe; 11, double valve; 12, flow meter; 13, pressure relief pipe; 14, collection tank; 15, collection tank connecting pipe; 16, pressure relief connecting pipe; 17, pressure relief connecting pipe ball valve; 18, pressure relief pipe pressure gauge; 19, safety valve; 20, sampler; 21, oil inlet sampling pipe; 22, oil sample connecting pipe; 23, oil outlet sampling pipe; 24, collection tank sampling connecting pipe; 25, oil inlet sampling pipe valve; 26, oil outlet sampling pipe valve; 27, collection tank connecting pipe valve; 28, oil sample connecting pipe valve; 29, drain pipe valve; 30, oil filling rubber pipe ball valve; 31, tank type oil truck; 32, oil can. DETAILED DESCRIPTION

[0011] As Figs. 1-2The utility model provides a pipeline pressure relief device of filling oil is provided with filter device, pressure relief device, sampling device and drain pipe, filter device includes oil inlet pipe 1 and oil outlet pipe 2, is equipped with filter 3 between oil inlet pipe 1 and oil outlet pipe 2, is equipped with drain connecting pipe 4 on filter 3, is equipped with drain outlet 5 and drain pipe ball valve 6's drain pipe 7 on the other end of drain connecting pipe 4, is equipped with oil return pipe 8 between oil inlet pipe 1 and oil outlet pipe 2 located at both ends of filter 3, is equipped with oil return pipe pressure gauge 9 on oil return pipe 8, the other end of oil outlet pipe 2 is closed and is equipped with two oiling rubber tube 10 on oil outlet pipe 2 close to the closed mouth, is equipped with double -double break valve 11 on oil outlet pipe 2 between filter 3 and oiling rubber tube 10, is equipped with flowmeter 12 on oil outlet pipe 2 between filter 3 and double -double break valve 11, pressure relief device includes pressure relief pipe 13 and collection tank 14, is equipped with collection tank connecting pipe 15 on collection tank 14, is equipped with pressure relief connecting pipe 16 between the other end of pressure relief pipe 13 and every oiling rubber tube, is equipped with pressure relief connecting pipe ball valve 17 on every pressure relief connecting pipe, the other end of collection tank connecting pipe 15 is connected on drain pipe 7 between drain outlet 5 and drain pipe ball valve 6, is equipped with pressure relief pipe pressure gauge 18 on pressure relief pipe 13, is equipped with safety valve 19 on pressure relief pipe 13 between pressure relief pipe pressure gauge 18 and collection tank connecting pipe 15, sampling device includes sampler 20, is equipped with oil inlet sampling pipe 21 between sampler 20 and oil inlet pipe 1, is equipped with one end of oil sample connecting pipe 22 on oil inlet sampling pipe 21, is equipped with the other end of oil sample connecting pipe 22 on collection tank connecting pipe 15, is equipped with oil outlet sampling pipe 23 between oil sample connecting pipe 22 and oil outlet pipe 2, is equipped with collection tank sampling connecting pipe 24 between collection tank connecting pipe 15 and sampler 20, is equipped with oil inlet sampling pipe valve 25, oil outlet sampling pipe valve 26, collection tank connecting pipe valve 27, oil sample connecting pipe valve 28 and drain pipe valve 29 respectively on oil inlet sampling pipe 21, oil outlet sampling pipe 23, collection tank connecting pipe 15, oil sample connecting pipe 22 and drain pipe 7, oil inlet sampling pipe valve 25 is equipped on oil inlet sampling pipe 21 between oil inlet pipe 1 and oil sample connecting pipe 22, oil outlet sampling pipe valve 26 is equipped on oil outlet sampling pipe 23 between oil outlet pipe 2 and oil sample connecting pipe 22, collection tank connecting pipe valve 27 is equipped on collection tank connecting pipe 15 between collection tank sampling connecting pipe 24 and oil sample connecting pipe 22, oil sample connecting pipe valve 28 is equipped on oil sample connecting pipe 22 between oil outlet sampling connecting pipe 23 and collection tank connecting pipe 15, drain pipe valve 29 is equipped on drain pipe 7 between collection tank connecting pipe 15 and drain outlet 5, is equipped with oiling rubber tube ball valve 30 on oiling rubber tube 10 between oil outlet pipe 2 and every pressure relief connecting pipe 16, the filter 3 in be equipped with gathering filter core and separation filter core, the oil inlet sampling pipe valve 25, oil outlet sampling pipe valve 26, collection tank connecting pipe valve 27, oil sample connecting pipe valve 28 and drain pipe valve 29 all are automatic return valve.

[0012] In use, the valve of the oil tank 32, the double-connection and double-break valve 11 in the oil outlet pipe 2 and the oil filling rubber pipe ball valve 30 provided on the oil filling rubber pipe 10 are opened, and the oil filling operation to the tank-type oil filling vehicle 31 is started. The oil enters the tank-type oil filling vehicle 31 through the oil inlet pipe 1, the filter 3, the oil outlet pipe 2, the flow meter 12, the double-connection and double-break valve 11, the oil filling rubber pipe 10 and the oil filling rubber pipe ball valve 30 in turn.

[0013] During the operation, the filter 3, the oil return pipe 8 and the pressure relief pipe 13 can reduce the oil pressure ready to enter the oil filling rubber pipe 10. Because of the filtering effect of the filter 3, the water impurities in the oil are filtered out and discharged through the drain connecting pipe 4 and the drain pipe 7, thus reducing the water pressure formed by the water impurities in the oil filling rubber pipe 10. When the oil pressure in the oil filling rubber pipe 10 increases, the oil pressure in the oil outlet pipe 2 also increases, and the oil can enter the oil return pipe 8 and then pass through the oil inlet pipe 1 again to reduce the pressure. At the same time, the oil pressure in the oil filling rubber pipe 10 can be observed and mastered through the oil return pipe pressure gauge 9 and the flow meter 12, and the oil inlet speed and flow can be adjusted through the valve of the oil tank 32, so as to reduce the pressure of the oil filling rubber pipe 10. When the pressure of the oil filling rubber pipe 10 increases, the oil can also enter the collection tank 14 through the pressure relief connecting pipe 16, the pressure relief pipe 13, the pressure relief pipe pressure gauge 18, the safety valve 19 and the collection tank connecting pipe 15 in turn, so as to reduce the pressure of the oil filling rubber pipe 10.

[0014] In the above operation, in order to further understand the oil quality in each pipe, the sample can be taken from the sampler 20 for analysis, and the oil quality can be adjusted and improved to reduce the pressure of the oil filling rubber pipe 10. When the sample in the collection tank connecting pipe 15 is taken, the oil inlet sampling pipe valve 25, the oil outlet sampling pipe valve 26, the collection tank connecting pipe valve 27 and the oil sample connecting pipe valve 28 can be closed, and the drain pipe valve 29 can be opened; when the sample in the oil inlet pipe 1 is taken, the oil inlet sampling pipe valve 25, the collection tank connecting pipe valve 27 and the drain pipe valve 29 can be opened, and the oil outlet sampling pipe valve 26 and the oil sample connecting pipe valve 28 can be closed; and when the sample in the oil outlet pipe 2 is taken, the oil outlet sampling pipe valve 26, the collection tank connecting pipe valve 27 and the drain pipe valve 29 can be opened, and the oil inlet sampling pipe valve 25 and the oil sample connecting pipe valve 28 can be closed.

Claims

1. An oil filling line pressure relief device, characterized by, It includes filtering device, pressure relief device, sampling device and drain pipe, the filtering device includes oil inlet pipe and oil outlet pipe, the oil inlet pipe and the oil outlet pipe are provided with filter, the filter is provided with drain connecting pipe, the other end of the drain connecting pipe is provided with drain port and drain pipe ball valve, the oil inlet pipe and the oil outlet pipe between the two ends of the filter are provided with oil return pipe, the oil return pipe is provided with oil return pipe pressure gauge, the other end of the oil outlet pipe is closed and the oil outlet pipe close to the closed port is provided with two oil filling rubber pipes, the oil outlet pipe between the filter and the oil filling rubber pipe is provided with double break valve, the oil outlet pipe between the filter and the double break valve is provided with flow meter; The pressure relief device includes pressure relief pipe and collection tank, the collection tank is provided with collection tank connecting pipe, one end of the pressure relief pipe is arranged on the collection tank connecting pipe, the other end of the pressure relief pipe and each oil filling rubber pipe are provided with pressure relief connecting pipe, each pressure relief connecting pipe is provided with pressure relief connecting pipe ball valve, the other end of the collection tank connecting pipe is connected to the drain pipe between the drain port and the drain pipe ball valve, the pressure relief pipe is provided with pressure relief pipe pressure gauge, the pressure relief pipe between the pressure relief pipe pressure gauge and the collection tank connecting pipe is provided with safety valve; The sampling device includes sampler, the sampler and the oil inlet pipe are provided with oil inlet sampling pipe, one end of the oil inlet sampling pipe is provided with oil sample connecting pipe, the other end of the oil sample connecting pipe is arranged on the collection tank connecting pipe, the oil sample connecting pipe and the oil outlet pipe are provided with oil outlet sampling pipe, the collection tank connecting pipe and the sampler are provided with collection tank sampling connecting pipe, the oil inlet sampling pipe, the oil outlet sampling pipe, the collection tank connecting pipe, the oil sample connecting pipe and the drain pipe are respectively provided with oil inlet sampling pipe valve, oil outlet sampling pipe valve, collection tank connecting pipe valve, oil sample connecting pipe valve and drain pipe valve, the oil inlet sampling pipe valve is arranged on the oil inlet sampling pipe between the oil inlet pipe and the oil sample connecting pipe; The oil outlet sampling pipe valve is arranged on the oil outlet sampling pipe between the oil outlet pipe and the oil sample connecting pipe; The collection tank connecting pipe valve is arranged on the collection tank connecting pipe between the collection tank sampling connecting pipe and the oil sample connecting pipe; The oil sample connecting pipe valve is arranged on the oil sample connecting pipe between the oil outlet sampling connecting pipe and the collection tank connecting pipe; The drain pipe valve is arranged on the drain pipe between the collection tank connecting pipe and the drain port, the oil filling rubber pipe between the oil outlet pipe and each pressure relief connecting pipe is provided with oil filling rubber pipe ball valve.

2. The oil filling line pressure relief device according to claim 1, wherein The filter is internally provided with gathering filter core and separation filter core.

3. The oil filling line pressure relief device according to claim 1, wherein The oil inlet sampling pipe valve, the oil outlet sampling pipe valve, the collection tank connecting pipe valve, the oil sample connecting pipe valve and the drain pipe valve are all automatic return valves.

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