Intelligent full mixed transportation multistage compression device

Abstract

The utility model belongs to the technical field of gas-liquid mixed transportation, and particularly relates to an intelligent full mixed transportation multistage compression device which comprises a bottom frame and a gas storage tank, a first displacement pump and a second displacement pump are installed on the bottom frame, the inlet end of the first displacement pump is connected with an inlet pipe, the outlet end of the first displacement pump is connected with a first three-way pipe, one end of the first three-way pipe is connected with a first pipeline, and the other end of the first three-way pipe is connected with a second pipeline. The other end of the first pipeline is connected with the inlet end of a second positive displacement pump, the other end of the first three-way pipe is connected with a second pipeline, the other end of the second pipeline is connected with a first outlet pipe, the outlet end of the second positive displacement pump is connected with a first outlet pipe, a first check valve is installed on the first outlet pipe, and the other end of the first outlet pipe is connected with an inlet of an air storage tank. Due to the design that the two positive displacement pumps are connected in series, in the actual working process, gas-liquid mixture entering the positive displacement pump can be compressed twice, so that the positive displacement pump can bear higher pressure intensity, and higher lift and flow are obtained.

Description

Technical Field

[0001] The utility model relates to the technical field of gas-liquid mixed transmission equipment, in particular to an intelligent full mixed transmission multi-stage compression device. Background Art

[0002] A device used to transport gas and liquid together is usually called a gas-liquid mixed transportation device, which is mainly used in industries or fields such as petroleum and petrochemical.

[0003] For example, a Chinese utility model, with the announcement number CN220869597U, discloses an intelligent full-mixed compression device, including a chassis and an air storage tank, a volumetric pump is arranged on the chassis, the volumetric pump is connected to a power source for driving the volumetric pump to work, a three-way liquid inlet pipe is arranged at the inlet of the volumetric pump, the three-way liquid inlet pipe is connected to a liquid inlet pipeline, the outlet of the volumetric pump is connected to a liquid outlet pipeline 1, the other end of the liquid outlet pipeline 1 is connected to the air storage tank, an auxiliary pipeline is arranged at the three-way liquid inlet pipe and the inlet of the volumetric pump, the other end of the auxiliary pipeline is connected to the air storage tank, an auxiliary pump group is arranged on the auxiliary pipeline, the inlet of the auxiliary pump group is connected to a liquid inlet joint for drawing cold water, the volumetric pump is also connected to a pressure relief main pipe, an air outlet is arranged at the upper end of the air storage tank, a pressure relief valve is installed on the air outlet, and the other end of the pressure relief main pipe is connected to the pressure relief valve.

[0004] There is only one positive displacement pump in the device. After the gas and liquid are compressed by the positive displacement pump, the required pressure cannot be reached. Therefore, the structure needs to be further improved. Utility Model Content

[0005] The utility model aims to provide an intelligent full-mixed multi-stage compression device, which realizes multi-stage compression by connecting two positive displacement pumps in series, thereby solving the existing problem of low pressure.

[0006] The purpose of the utility model is achieved as follows: an intelligent full-mixed multi-stage compression device, including a chassis and an air storage tank, a displacement pump 1 and a displacement pump 2 are respectively installed on the chassis, the inlet end of the displacement pump 1 is connected to an inlet pipe, an electric valve 1 is installed on the inlet pipe, the outlet end of the displacement pump 1 is connected to a three-way pipe 1, one end of the three-way pipe 1 is connected to a pipeline 1, a pressure sensor 3 is installed on the pipeline 1, the other end of the pipeline 1 is connected to the inlet end of the displacement pump 2, and the other end of the three-way pipe 1 is connected to a bypass pipe The bypass pipe is connected to the outlet pipe one, the outlet end of the displacement pump two is connected to the outlet pipe one, the outlet pipe one is connected to the pressure sensor four and the check valve one, the other end of the outlet pipe one is connected to the inlet of the gas storage tank, the lower end side wall of the gas storage tank is connected to the liquid outlet pipe, the other end of the liquid outlet pipe is connected to the outlet pipe two, the outlet pipe two is connected to the bypass pipe two, the check valve two is installed on the bypass pipe two, and the other end of the bypass pipe two is connected to the inlet pipe.

[0007] Preferably, an electric valve 1, a pressure gauge 1, an inlet valve, a large particle impurity filter, a pressure sensor 1 and a check valve 3 are sequentially arranged on the inlet pipe along the liquid inlet direction.

[0008] Preferably, a sewage pipe is installed at the bottom of the gas storage tank, and a sewage valve is installed on the sewage pipe.

[0009] Preferably, a second pressure sensor, a flow thermometer, an outlet valve and a fourth check valve are sequentially arranged on the liquid outlet pipe along the liquid outlet direction.

[0010] Preferably, a manual pressure relief valve is installed on the gas storage tank.

[0011] Preferably, a pressure gauge 2, a safety valve and a liquid level gauge are respectively installed on the gas storage tank.

[0012] Preferably, a water tank and an auxiliary water pump are respectively provided on the base frame, the inlet of the auxiliary water pump is connected to the water tank through a suction tube, the outlet of the auxiliary water pump is installed with an auxiliary pipeline, the other end of the auxiliary pipeline is connected to the inlet end of the volumetric pump one, and a check valve five is installed on the auxiliary pipeline.

[0013] Preferably, a radiator is provided on the base frame, a pipe three is connected to the lower side wall of the gas storage tank, one end of the pipe three is connected to the radiator, and a valve gate is installed on the pipe three.

[0014] Preferably, the outlet end of the radiator is connected to a return pipe, the other end of the return pipe is connected to an auxiliary pipe, and a flow meter is installed on the return pipe.

[0015] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

[0016] The utility model adopts the design of two volumetric pumps connected in series, so that in the actual working process, the incoming gas-liquid mixture can be compressed twice, so that it can withstand a higher pressure, thereby obtaining a higher head and flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The structure of the utility model is shown in FIG. Figure 1 .

[0018] Figure 2 The structure of the utility model is shown in FIG. Figure 2 .

[0019] Figure 3 It is a flow chart of the utility model.

[0020] Figure numerals: 1- chassis; 2- gas storage tank; 3- displacement pump 1; 4- displacement pump 2; 5- inlet pipe; 6- electric valve 1; 7- three-way pipe 1; 8- pipeline 1; 9- bypass pipeline 1; 10- electric valve 2; 11- outlet pipe 1; 12- check valve 1; 13- liquid outlet pipe; 14- outlet pipe 2; 15- bypass pipeline 2; 16- check valve 2; 18- pressure gauge 1; 19- inlet valve; 20- large particle impurity filter; 21- pressure sensor 1; 22- check valve 3; 23- sewage pipeline; 24- sewage valve; 25- pressure sensor 2; 26- flow thermometer; 27- outlet valve; 28- check valve 4; 29- manual pressure relief valve; 30- pressure gauge 2; 31- safety valve; 32- level gauge; 33- water storage tank; 34- auxiliary water pump; 35- suction pipe; 36- auxiliary pipeline;

[0021] 37-check valve five; 38-radiator; 39-pipeline three; 40-valve gate; 41-return pipe; 42-flow meter; 43-pressure sensor three; 44-pressure sensor four. DETAILED DESCRIPTION

[0022] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0023] like Figure 1-3 As shown, an intelligent full mixed transmission multi-stage compression device includes a base frame 1 and a gas storage tank 2, a displacement pump 3 and a displacement pump 2 4 are respectively installed on the base frame 1, the inlet end of the displacement pump 3 is connected to an inlet pipe 5, the inlet pipe 5 is installed with an electric valve 6, the outlet end of the displacement pump 3 is connected to a three-way pipe 7, one end of the three-way pipe 7 is connected to a pipeline 8, a pressure sensor 3 43 is installed on the pipeline 8, the other end of the pipeline 8 is connected to the inlet end of the displacement pump 2 4, the other end of the three-way pipe 7 is connected to a bypass pipeline 9, the bypass pipeline 9 is installed with an electric valve 6, and the outlet end of the displacement pump 3 is connected to a three-way pipe 7. The movable valve 10, the other end of the bypass pipeline 19 is connected to the outlet pipe 11, the outlet end of the volume pump 4 is connected to the outlet pipe 11, the pressure sensor 444 and the check valve 12 are installed on the outlet pipe 11, the other end of the outlet pipe 11 is connected to the inlet of the gas storage tank 2, the lower end side wall of the gas storage tank 2 is connected to the liquid outlet pipe 13, the other end of the liquid outlet pipe 13 is connected to the outlet pipe 2 14, the outlet pipe 2 14 is connected to the bypass pipeline 2 15, the check valve 2 16 is installed on the bypass pipeline 2 15, and the other end of the bypass pipeline 2 15 is connected to the inlet pipe 5.

[0024] The utility model adopts the design of two volumetric pumps connected in series, so that in the actual working process, the incoming gas-liquid mixture can be compressed twice, so that it can withstand a higher pressure, thereby obtaining a higher head and flow.

[0025] When the device is initially working, the displacement pump 3 is first operated, the electric valve 210 is in the open state, the bypass pipeline 19 is opened, and the gas or liquid passes through the displacement pump 3 and is transported through the bypass pipeline 19 and the pipeline 18 respectively. The pressure value in the displacement pump 3 can be observed through the pressure sensor 3 43, and the pressure value in the outlet pipe 11 can be observed through the pressure sensor 4 44. The pressure sensor is connected to the computer to realize automatic operation. When the pressure in the pipe reaches the ideal value, the displacement pump 24 is operated again to increase the pressure, which greatly reduces the energy consumption. At the same time, the electric valve 210 is closed, and the gas or liquid is output from the outlet pipe 11 after multi-stage pressurization through the displacement pump 3 and the displacement pump 24.

[0026] The inlet pipe 5 is provided with an electric valve 6, a pressure gauge 18, an inlet valve 19, a large particle impurity filter 20, a pressure sensor 21 and a check valve 22 in sequence along the liquid inlet direction. The large particle impurity filter 20 can perform preliminary filtration on the gas or liquid entering the inlet pipe 5 to prevent large particle impurities from entering the pump body and affecting its normal operation. The design of the check valve can prevent the gas or liquid in the pipeline from flowing back.

[0027] A sewage pipe 23 is installed at the bottom of the gas storage tank 2 , and a sewage valve 24 is installed on the sewage pipe 23 to facilitate cleaning of the gas storage tank 2 .

[0028] The liquid outlet pipe 13 is provided with a second pressure sensor 25, a flow thermometer 26, an outlet valve 27 and a fourth check valve 28 in sequence along the liquid outlet direction.

[0029] The gas storage tank 2 is provided with a manual pressure relief valve 29 . When the pressure in the gas storage tank 2 is too high, the gas in the tank can be released by operating the manual pressure relief valve 29 .

[0030] The gas storage tank 2 is respectively equipped with a pressure gauge 30, a safety valve 31 and a liquid level meter 32, so as to monitor the gas pressure, liquid level and other conditions in the tank in real time.

[0031] A water tank 33 and an auxiliary water pump 34 are respectively provided on the base frame 1. The inlet of the auxiliary water pump 34 is connected to the water tank 33 through a suction pipe 35. The outlet of the auxiliary water pump 34 is installed with an auxiliary pipe 36. The other end of the auxiliary pipe 36 is connected to the inlet end of the displacement pump 3. A check valve 37 is installed on the auxiliary pipe 36. Before the displacement pump is started, the auxiliary water pump 34 is first started to draw cold water from the water tank 33 into the displacement pump to prevent the displacement pump from idling. It can also play a buffering role, reduce the impact during starting and stopping, reduce the burden on the high-pressure displacement pump, and protect the high-pressure displacement pump. Then the displacement pump is started to extract natural gas or oil through the inlet pipe 5.

[0032] A radiator 38 is provided on the base frame 1, and a pipe 39 is connected to the lower side wall of the gas storage tank 2. One end of the pipe 39 is connected to the radiator 38, and a valve gate 40 is installed on the pipe 39. The radiator 38 can cool the liquid discharged from the gas storage tank 2 and then send it back to the volume pump.

[0033] The outlet end of the radiator 38 is connected to a return pipe 41 , the other end of the return pipe 41 is connected to the auxiliary pipe 36 , and a flow meter 42 is installed on the return pipe 41 .

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An intelligent full mixed input multi-stage compression device, characterized in that: The invention comprises a base frame (1) and a gas storage tank (2), wherein a displacement pump (3) and a displacement pump (4) are respectively mounted on the base frame (1), the inlet end of the displacement pump (3) is connected to an inlet pipe (5), an electric valve (6) is mounted on the inlet pipe (5), the outlet end of the displacement pump (3) is connected to a three-way pipe (7), one end of the three-way pipe (7) is connected to a pipeline (8), a pressure sensor (43) is mounted on the pipeline (8), the other end of the pipeline (8) is connected to the inlet end of the displacement pump (4), the other end of the three-way pipe (7) is connected to a bypass pipeline (9), an electric valve (10) is mounted on the bypass pipeline (9), and the bypass The other end of the communication pipeline (9) is connected to the outlet pipe (11), the outlet end of the displacement pump (4) is connected to the outlet pipe (11), the outlet pipe (11) is installed with a pressure sensor (44) and a check valve (12), the other end of the outlet pipe (11) is connected to the inlet of the gas storage tank (2), the lower end side wall of the gas storage tank (2) is connected to a liquid outlet pipe (13), the other end of the liquid outlet pipe (13) is connected to the outlet pipe (14), the outlet pipe (14) is connected to the bypass pipeline (15), the bypass pipeline (15) is installed with a check valve (16), and the other end of the bypass pipeline (15) is connected to the inlet pipe (5).

2. The intelligent full mixed input multi-stage compression device according to claim 1 is characterized in that: The inlet pipe (5) is provided with an electric valve (6), a pressure gauge (18), an inlet valve (19), a large particle impurity filter (20), a pressure sensor (21) and a check valve (22) in sequence along the liquid inlet direction.

3. The intelligent full mixed input multi-stage compression device according to claim 1 is characterized in that: A sewage discharge pipe (23) is installed at the bottom of the gas storage tank (2), and a sewage discharge valve (24) is installed on the sewage discharge pipe (23).

4. The intelligent full mixed input multi-stage compression device according to claim 1 is characterized in that: The liquid outlet pipe (13) is provided with a second pressure sensor (25), a flow thermometer (26), an outlet valve (27) and a fourth check valve (28) in sequence along the liquid outlet direction.

5. The intelligent full mixed input multi-stage compression device according to claim 1 is characterized in that: A manual pressure relief valve (29) is installed on the gas storage tank (2).

6. The intelligent full mixed input multi-stage compression device according to claim 1 is characterized in that: The gas storage tank (2) is respectively equipped with a second pressure gauge (30), a safety valve (31) and a liquid level gauge (32).

7. The intelligent full mixed input multi-stage compression device according to claim 1 is characterized in that: The base frame (1) is provided with a water storage tank (33) and an auxiliary water pump (34), respectively; the inlet of the auxiliary water pump (34) is connected to the water storage tank (33) via a liquid suction pipe (35); the outlet of the auxiliary water pump (34) is provided with an auxiliary pipeline (36); the other end of the auxiliary pipeline (36) is connected to the inlet end of the volumetric pump (3); and a check valve (37) is provided on the auxiliary pipeline (36).

8. The intelligent full mixed input multi-stage compression device according to claim 1 is characterized in that: A radiator (38) is arranged on the base frame (1), a pipe (39) is connected to the lower side wall of the gas storage tank (2), one end of the pipe (39) is connected to the radiator (38), and a valve gate (40) is installed on the pipe (39).

9. The intelligent full mixed transmission multi-stage compression device according to claim 8 is characterized in that: The outlet end of the radiator (38) is connected to a return pipe (41), the other end of the return pipe (41) is connected to the auxiliary pipe (36), and a flow meter (42) is installed on the return pipe (41).

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