Lightening separation device for hydrogenation reaction

Abstract

The utility model relates to hydrogen separation equipment, in particular to a hydrogenation reaction lightening separation device which comprises a sealed reaction barrel, clear water is filled in the reaction barrel, an air inlet pipe is vertically arranged in the reaction barrel, the air outlet end of the air inlet pipe is located on the lower portion of the reaction barrel, and the air inlet end of the air inlet pipe penetrates out of the reaction barrel to be communicated with an air outlet of a three-phase separator. The reaction barrel is communicated with a hydrogen collecting pipe, a gas inlet end of the hydrogen collecting pipe is positioned on the top surface of the reaction barrel, and a gas outlet end of the hydrogen collecting pipe is communicated with a gas inlet of the hydrogenation reactor; an oil collecting pipe is fixedly arranged on one side of the reaction barrel, an oil suction pump is arranged on the oil collecting pipe, the oil collecting pipe is vertically connected downwards and communicated with a vertical pipe, and the vertical pipe penetrates into the reaction barrel. According to the application, the purpose of separating water vapor, oil and hydrogen can be achieved by utilizing the characteristics that water vapor is soluble in water, oil is insoluble in water, the density is smaller than that of water, and hydrogen is insoluble in water, so that hydrogen enters the hydrogenation reactor, and normal use of equipment is further ensured.

Description

Technical Field

[0001] The utility model belongs to hydrogen separation equipment, in particular to a hydrogenation reaction lightening separation device. Background Art

[0002] In the field of oil and gas gathering and transportation, with the continuous expansion of oil field production scale and long-term water injection development, many domestic and foreign onshore and offshore oil fields have entered the high water content or ultra-high water content exploitation period. In order to solve the problems caused by high water content produced fluid, it is often used to add cyclone separation equipment in front of the three-phase separator to separate the produced fluid. However, in the actual use process on site, the produced fluid associated gas is often not completely separated in the primary three-phase separator, and some gas will still enter the separation equipment with the incoming liquid, thus affecting the normal use of the separation equipment. Utility Model Content

[0003] The utility model provides a hydrogenation reaction lightening separation device, which is used to solve the defects in the prior art.

[0004] The utility model is realized through the following technical solutions:

[0005] A hydrogenation reaction light separation device comprises a sealed reaction barrel, wherein the reaction barrel is filled with clean water, an air inlet pipe is vertically arranged inside the reaction barrel, an air outlet end of the air inlet pipe is located at the lower part of the reaction barrel, and the air inlet end of the air inlet pipe passes through the reaction barrel and is connected with the air outlet of the hydrogenation reactor, the reaction barrel is connected with a hydrogen collecting pipe, the air inlet end of the hydrogen collecting pipe is located on the top surface of the reaction barrel, and the air outlet end of the hydrogen collecting pipe is connected with the air inlet of the hydrogenation reactor; an oil collecting pipe is fixedly arranged on one side of the reaction barrel, an oil suction pump is arranged on the oil collecting pipe, the oil collecting pipe is vertically connected downward and is connected with a vertical pipe, and the vertical pipe passes into the reaction barrel.

[0006] When the present application is in use, the mixed gas produced from the three-phase separator enters the reaction barrel and then enters the water, wherein the water vapor dissolves in the clean water, while the oil floats above the clean water. Since hydrogen is insoluble in water, it passes through the clean water and the oil layer and enters the hydrogen collecting pipe and then enters the hydrogenation reactor, thereby realizing the recovery and utilization of hydrogen. After the oil layer accumulates to a certain thickness, the oil suction pump is turned on, and the oil enters the oil suction pipe through the vertical pipe, thereby sucking out the oil layer above the clean water, thereby realizing the separation of oil, hydrogen and water vapor.

[0007] Preferably, the vertical pipe comprises an outer pipe and an inner pipe threadedly connected to the outer pipe, a screw hole is provided on the reaction barrel, the inner pipe passes through the screw hole and is threadedly matched with the screw hole, and the upper part of the outer pipe is vertically connected and communicated with the oil collecting pipe. The inner pipe is rotated, and the inner pipe rotates in the outer pipe to change the depth of the inner pipe inserted into the oil layer, so that the position of the lower end of the inner pipe can be adjusted as needed to achieve accurate oil suction, and the inner pipe is threadedly connected to the reaction barrel and the outer pipe, so that its sealing can be ensured.

[0008] Preferably, the reaction barrel is a transparent barrel and a vertical rod is fixedly connected to the reaction barrel vertically. A polyethylene plate is arranged in the reaction barrel. The polyethylene plate is provided with a through hole and a through hole adapted to the vertical rod, and the vertical rod passes through the through hole. The density of polyethylene is between that of water and oil, so the polyethylene plate can be ensured to be located between water and oil, thereby playing a marking role and facilitating the position of the inner tube to go deep.

[0009] Preferably, the top surface of the reaction barrel is also connected to a water outlet end of a water inlet pipe, the water inlet end of the water inlet pipe is connected to a water pump, the water pump is arranged in a water source, and the lower part of the reaction barrel is connected to a water outlet pipe, on which a valve is arranged. The water inlet pipe and the water outlet pipe can replace the clean water in the reaction barrel, so that when the mixed gas is not input and the water is turbid, water can be discharged through the water outlet pipe, and then water can be input through the water inlet pipe to achieve water replacement.

[0010] Preferably, the water outlet of the water inlet pipe is provided with a cone-shaped nozzle which is narrow at the top and wide at the bottom. The nozzle can flow water into the reaction barrel by spraying outward, so as to achieve the purpose of cleaning the inner wall of the reaction barrel.

[0011] Preferably, the outer wall of the reaction barrel is vertically connected to a support rod, the support rod is vertically connected upward to a support rib, and the support rib is fixedly connected to the oil collection pipe.

[0012] The beneficial effects of the utility model are as follows: the use of the present application can utilize the characteristics that water vapor is soluble in water, oil is insoluble in water and has a density lower than that of water, and hydrogen is insoluble in water, to achieve the purpose of separating water vapor, oil and hydrogen, so that only hydrogen enters the hydrogenation reactor, thereby ensuring the normal use of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] As shown in the figure:

[0016] 1. Reaction barrel, 2. Air inlet pipe, 3. Hydrogen collecting pipe, 4. Oil collecting pipe, 5. Outer pipe, 6. Inner pipe, 7. Vertical rod, 8. Polyethylene plate, 9. Water inlet pipe, 10. Water outlet pipe, 11. Valve, 12. Nozzle, 13. Support rod, 14. Support rib. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] A hydrogenation reaction light separation device, such as Figure 1 As shown. It includes a sealed reaction barrel 1, which is filled with clean water, and an air inlet pipe 2 is vertically arranged inside the reaction barrel 1. The outlet end of the air inlet pipe 2 is located at the lower part of the reaction barrel 1 and the air inlet end of the air inlet pipe 2 passes through the reaction barrel 1 and is connected to the air outlet of the hydrogenation reactor. The reaction barrel 1 is connected to a hydrogen collecting pipe 3, and the air inlet end of the hydrogen collecting pipe 3 is located on the top surface of the reaction barrel 1, and the air outlet end of the hydrogen collecting pipe 3 is connected to the air inlet of the hydrogenation reactor; an oil collecting pipe 4 is fixedly arranged on one side of the reaction barrel 1, specifically, a support rod 13 is vertically connected to the outer wall of the reaction barrel 1, and the support rod 13 is vertically connected to a support rib 14 upward, and the support rib 14 is fixedly connected to the oil collecting pipe 4. An oil suction pump is arranged on the oil collecting pipe 4, and the oil collecting pipe 4 is vertically connected downward and is connected to a vertical pipe, and the vertical pipe passes into the reaction barrel 1.

[0019] When the present application is in use, the mixed gas produced from the three-phase separator enters the reaction barrel 1 and then enters the water, wherein the water vapor is dissolved in the clean water, and the oil floats above the clean water. Since hydrogen is insoluble in water, it passes through the clean water and the oil layer and enters the hydrogen collecting pipe 3 and then enters the hydrogenation reactor from the hydrogen collecting pipe 3, thereby realizing the recovery and utilization of hydrogen. After the oil layer accumulates to a certain thickness, the oil suction pump is turned on, and the oil enters the oil suction pipe through the vertical pipe, thereby sucking out the oil layer above the clean water, thereby realizing the separation of oil, hydrogen and water vapor.

[0020] Among them, when the mixed gas is transported into the water, the water vapor dissolves in the water, which will cause the water surface to gradually rise, thereby causing the oil layer to move upward, which will cause errors in the oil suction of the vertical pipe. To solve this problem, the vertical pipe includes an outer pipe 5 and an inner pipe 6 threadedly connected to the outer pipe 5. A screw hole is opened on the reaction barrel 1, and the inner pipe 6 passes through the screw hole and is threadedly matched with the screw hole. The upper part of the outer pipe 5 is vertically connected and connected to the oil collecting pipe 4. Rotating the inner pipe 6 and rotating the inner pipe 6 in the outer pipe 5 can change the depth of the inner pipe 6 inserted into the oil layer, so that the position of the lower end of the inner pipe 6 can be adjusted as needed to achieve accurate oil suction, and the inner pipe 6 is threadedly connected to the reaction barrel 1 and the outer pipe 5, so that its sealing can be guaranteed.

[0021] Since the oil and water are not particularly distinct, in order to ensure that the inner tube 6 is located below the oil and close to the water, the reaction barrel 1 is set as a transparent barrel and a vertical rod 7 is vertically fixedly connected in the reaction barrel 1. A polyethylene plate 8 is provided in the reaction barrel 1. The polyethylene plate 8 is provided with a through hole and a through hole adapted to the vertical rod 7, and the vertical rod 7 passes through the through hole. The density of polyethylene is between that of water and oil, so the polyethylene plate 8 can be ensured to be located between the water and the oil, thereby playing a marking role and facilitating the position of the inner tube 6 to go deep.

[0022] The top surface of the reaction barrel 1 is also connected to the water outlet end of the water inlet pipe 9, and the water inlet end of the water inlet pipe 9 is connected to a water pump, which is arranged in the water source, and the lower part of the reaction barrel 1 is connected to a water outlet pipe 10, on which a valve 11 is arranged. The water inlet pipe 9 and the water outlet pipe 10 can replace the clean water in the reaction barrel 1, so that when the mixed gas is not input and the water is turbid, after the oil is extracted, the water can be discharged through the water outlet pipe 10, and then the water can be input through the water inlet pipe 9 to achieve the replacement of water.

[0023] The water outlet end of the water inlet pipe 9 is provided with a truncated cone-shaped nozzle 12 which is narrow at the top and wide at the bottom. The nozzle 12 can realize the flow of water into the reaction barrel 1 by spraying outwards, so as to achieve the purpose of cleaning the inner wall of the reaction barrel 1.

[0024] The beneficial effects of the utility model are as follows: the use of the present application can utilize the characteristics that water vapor is soluble in water, oil is insoluble in water and has a density lower than that of water, and hydrogen is insoluble in water, to achieve the purpose of separating water vapor, oil and hydrogen, so that only hydrogen enters the hydrogenation reactor, thereby ensuring the normal use of the equipment.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A hydrogenation reaction light separation device, characterized in that: It comprises a sealed reaction barrel, which is filled with clean water. An air inlet pipe is vertically arranged inside the reaction barrel, the air outlet end of the air inlet pipe is located at the lower part of the reaction barrel, and the air inlet end of the air inlet pipe passes through the reaction barrel and is connected with the air outlet of the three-phase separator. The reaction barrel is connected with a hydrogen collecting pipe, the air inlet end of the hydrogen collecting pipe is located on the top surface of the reaction barrel, and the air outlet end of the hydrogen collecting pipe is connected with the air inlet of the hydrogenation reactor; an oil collecting pipe is fixedly arranged on one side of the reaction barrel, an oil suction pump is arranged on the oil collecting pipe, the oil collecting pipe is vertically connected downward and is connected with a vertical pipe, and the vertical pipe passes into the reaction barrel.

2. The hydrogenation reaction lightening separation device according to claim 1, characterized in that: The vertical pipe includes an outer pipe and an inner pipe threadedly connected to the outer pipe. A screw hole is opened on the reaction barrel. The inner pipe passes through the screw hole and is threadedly matched with the screw hole. The upper part of the outer pipe is vertically connected and communicated with the oil collecting pipe.

3. The hydrogenation reaction lightening separation device according to claim 2, characterized in that: The reaction barrel is a transparent barrel and a vertical rod is vertically fixedly connected in the reaction barrel. A polyethylene plate is arranged in the reaction barrel. The polyethylene plate is provided with a through hole and a through hole adapted to the vertical rod, and the vertical rod passes through the through hole.

4. The hydrogenation reaction lightening separation device according to claim 1, characterized in that: The top surface of the reaction barrel is also connected to the water outlet end of the water inlet pipe, which is connected to a water pump arranged in the water source. The lower part of the reaction barrel is connected to the water outlet pipe, on which a valve is arranged.

5. The hydrogenation reaction lightening separation device according to claim 4, characterized in that: The water outlet end of the water inlet pipe is provided with a truncated cone-shaped nozzle which is narrow at the top and wide at the bottom.

6. The hydrogenation reaction lightening separation device according to claim 1, characterized in that: The outer wall of the reaction barrel is vertically connected with a support rod, the support rod is vertically connected with a support rib upward, and the support rib is fixedly connected to the oil collection pipe.

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