CN217736929U - Carbon dioxide storage container for oil field CCUS system - Google Patents

Abstract

The utility model discloses a carbon dioxide storage container for an oil field CCUS system, which relates to the technical field of oil field CCUS system equipment, comprising a fixed support foot and a cooling outer tank, wherein the fixed support foot is installed and fixed on the lower end of the cooling outer tank, The right end of the outer cooling tank is provided with a conveying pipeline. The utility model is provided with a buffer storage tank structure, so as to facilitate buffer placement, and the annular baffle of the buffer storage tank is welded and fixedly connected to the outer side of the upper end of the outer cooling tank through a plurality of supporting springs at the lower end, so that the outer shell of the tank body is easy to be stably sleeved on the outer side of the outer cooling tank. The inside of the outer tank is cooled, and after the tank shell is sleeved, the lower end of the tank shell is in contact with the bottom end of the cooling outer tank due to the bottom spring, so that the tank shell is effectively elastically supported by the bottom spring, so that the tank shell is placed when placed. It has a good buffer protection effect, which effectively avoids the collision and damage of the tank shell, and the tank shell is convenient for storing carbon dioxide for placement.

Description

A carbon dioxide storage container for oil field CCUS system

technical field

The utility model relates to the technical field of oil field CCUS system equipment, in particular to a carbon dioxide storage container used in the oil field CCUS system.

Background technique

CCUS carbon capture, utilization and storage is one of the key technologies to deal with global climate change. It has been highly valued by countries all over the world. They have stepped up research and development efforts and made progress in CO2 flooding, but there are still difficulties in industrialization. In the oilfield CCUS system, carbon dioxide needs to be stored, so the carbon dioxide storage container of the oilfield CCUS system is required.

The carbon dioxide storage container of the existing oil field CCUS system cannot be placed effectively and stably when the internal storage tank is placed, and it does not have a good buffer capacity, so it does not have a good buffer protection effect, so it is easy to be damaged by collision during transportation question.

Utility model content

The purpose of this utility model is to solve the shortcomings in the prior art, and propose a carbon dioxide storage container for CCUS systems in oilfields. The cooling outer tank is convenient for stable placement due to the fixed support feet at the lower end, cooling the outer tank and The buffer storage tank has a good elastic buffer effect, so that the buffer storage tank can effectively avoid collision damage when placed.

In order to achieve the above object, the utility model adopts the following technical solutions:

A carbon dioxide storage container for CCUS systems in oilfields, comprising a fixed support foot and a cooling outer tank, the fixed support foot is installed and fixed on the lower end of the cooling outer tank, and a delivery pipeline is provided at the right end of the cooling outer tank, the The outer end of the delivery pipeline is provided with an external circulation pump, and the interior of the cooling outer tank is provided with a buffer storage tank, and a carbon dioxide valve inlet pipe is arranged in the middle of the upper end of the buffer storage tank, and the left side of the carbon dioxide valve inlet pipe is located The buffer storage tank is equipped with a CCUS system pressure measuring instrument, the right side of the carbon dioxide valve inlet pipe is located on the buffer storage tank, and a CCUS system temperature sensor is installed on the buffer storage tank, and the right side of the CCUS system temperature sensor is located on the buffer storage tank. System carbon dioxide gas detector, the outside of the cooling outer tank is provided with a CCUS system control box, the CCUS system pressure measuring instrument, CCUS system temperature sensor, CCUS system carbon dioxide gas detector, external circulation pump and CCUS system control box are electrically connect.

Through the above technical solutions: the cooling outer tank is easy to place stably due to the fixed support feet at the lower end, the cooling outer tank and the buffer storage tank have a good elastic buffer effect, so that the buffer storage tank can effectively avoid collision damage when placed, through the CCUS system The control box is convenient for receiving data for processing, so that when the temperature is too high, the external circulation pump is controlled to extract the external cooling source, which is transported to the cooling outer tank through the delivery pipeline, so that the cooling outer tank cools the temperature of the internal buffer storage tank, and the pressure of the CCUS system is measured When the data of the instrument and the carbon dioxide gas detector of the CCUS system are abnormal, it is convenient to know the abnormality in time through the control box of the CCUS system, so that it is convenient to prompt personnel to deal with it. The buffer storage tank is easy to receive external carbon dioxide for storage because of the carbon dioxide valve entering the pipe.

The utility model is further provided that the buffer storage tank includes a ring baffle, a support spring, a tank shell and a bottom spring, the bottom spring is arranged at the lower end of the tank shell, and the upper end of the tank shell is provided with There is a ring baffle, the lower end of the ring baffle is provided with a supporting spring, and the supporting spring is fixedly connected to the cooling outer tank.

Through the above technical solution: due to the structure of the buffer storage tank, it is convenient for buffer storage and use.

The utility model is further provided that the cooling outer tank includes a water inlet pipe, a supporting ring plate, an outer tank shell, a bottom sealing plate, a water outlet pipeline and a tank inner cavity, and the upper right side of the outer tank shell is provided with a Water inlet pipe, the lower end of the outer tank shell is provided with a water outlet pipe on the left side, the lower end of the outer tank shell is provided with a bottom sealing plate, the upper end of the outer tank shell is provided with a supporting ring plate, the The inside of the outer tank shell is provided with a tank inner cavity, the bottom sealing plate is fixedly connected to the fixed support feet, the water inlet pipeline is fixedly connected to the delivery pipeline, and the support ring plate is fixedly connected to the buffer storage tank .

Through the above technical solutions: due to the cooling of the outer tank structure, it can effectively wrap and cool, and play a good role in wrapping protection.

The utility model is further provided that the delivery pipeline includes a pump body connection pipe, a delivery vertical pipe, a connecting short rod and an upper connecting pipe, the outer wall of the delivery vertical pipe is provided with a connecting short rod, and the upper end of the delivery vertical pipe is provided with There is an upper connecting pipe, the lower end of the conveying vertical pipe is provided with a pump body connecting pipe, and the upper connecting pipe is fixedly connected to the cooling outer tank.

Through the above technical solution: due to the structure of the conveying pipeline, it is convenient for stable conveying and use.

The utility model is further provided that the buffer storage tank is located in the middle of the cooling outer tank, and the centers of the buffer storage tank and the cooling outer tank are on the same straight line.

Through the above technical scheme: because the buffer storage tank is located in the middle of the cooling outer tank, the buffer storage tank is effectively cooled and wrapped by the cooling outer tank, and the centers of the buffer storage tank and the cooling outer tank are on the same straight line, so that the buffer storage tank More stable when placed.

The utility model is further configured that the carbon dioxide valve inlet pipe and the buffer storage tank are fixedly connected by welding, and the connection between the carbon dioxide valve inlet pipe and the buffer storage tank is connected.

Through the above technical solution: because the joint of the carbon dioxide valve inlet pipe and the buffer storage tank is connected, it is convenient to transport the carbon dioxide gas through, so that there will be no obstruction during the transport.

The utility model is further configured that the outer cooling tank and the delivery pipeline are fixedly connected by screws, and a sealing rubber pad is provided at the connection between the outer cooling tank and the delivery pipeline.

Through the above technical scheme: because the cooling outer tank and the delivery pipeline are fixedly connected by screws, the cooling outer tank and the delivery pipeline are easy to install and fix, and the joint between the cooling outer tank and the delivery pipeline is provided with a sealing rubber pad, so that it is more tightly fixed firm.

The utility model is further provided that there are four fixed support feet in total, and the array of fixed support feet is distributed on the lower end of the cooling outer tank.

Through the above technical solution: because the array of four fixed supporting feet is distributed on the lower end of the cooling outer tank, the cooling outer tank can be stably placed and used through the fixed supporting feet.

The beneficial effects of the utility model are:

1. The buffer storage tank structure is provided to facilitate buffer placement. The ring baffle of the buffer storage tank is welded and fixedly connected to the outer side of the upper end of the cooling outer tank through several support springs at the lower end, so that the tank shell is convenient to be stably socketed in the cooling tank. The inside of the outer tank, and after the tank shell is socketed, the lower end of the tank shell is in contact with the bottom end of the cooling outer tank due to the bottom spring, so that the tank shell is effectively elastically supported by the bottom spring, so that the tank shell has a It has a good buffer protection effect, which effectively avoids the collision damage of the tank shell, and the tank shell is convenient for storing carbon dioxide for placement.

2. By setting the cooling outer tank structure, it can be effectively wrapped and used for cooling. The bottom sealing plate of the cooling outer tank is welded and fixedly connected to the fixed support feet, so that the bottom sealing plate can be stably supported by the fixed support feet. The outer tank shell The water inlet pipe is fixedly connected to the delivery pipe, so that it is convenient to receive the external cooling source and transport it to the outer tank shell, so that the water outlet pipe passing through the outer tank shell is easy to discharge, so that the temperature of the outer tank shell can be effectively reduced, so that the outer tank When the shell is cooling, it effectively cools the buffer storage tank inside the inner cavity of the tank, thus effectively controlling the temperature of the buffer storage tank and avoiding high temperature conditions. The upper end of the outer tank shell supports the outer shape of the ring plate, so that the The support spring facilitates the use of elastic support, so that the buffer storage tank is more stable when placed.

Description of drawings

Fig. 1 is a schematic diagram of a three-dimensional structure of a carbon dioxide storage container for an oilfield CCUS system proposed by the present invention;

Fig. 2 is a structural schematic diagram of a buffer storage tank used for a carbon dioxide storage container of an oilfield CCUS system proposed by the utility model;

Fig. 3 is a schematic structural diagram of a cooling outer tank used for a carbon dioxide storage container of an oil field CCUS system proposed by the utility model;

Fig. 4 is a schematic structural diagram of a delivery pipeline used for a carbon dioxide storage container of an oil field CCUS system proposed by the utility model.

In the figure: 1. Pressure measuring instrument of CCUS system; 2. Carbon dioxide valve inlet pipe; 3. Temperature sensor of CCUS system; 4. Carbon dioxide gas detector of CCUS system; 5. Buffer storage tank; 51. Ring baffle; 52. Support Spring; 53. Tank shell; 54. Bottom spring; 6. Delivery pipe; 61. Pump connecting pipe; 62. Delivery vertical pipe; 63. Connecting short rod; 64. Upper connecting pipe; 7. External circulation pump; , fixed support feet; 9, cooling outer tank; 91, water inlet pipe; 92, supporting ring plate; 93, outer tank shell; 94, bottom sealing plate; 95, outlet pipe; 96, tank inner cavity; 10, CCUS system control box.

Detailed ways

The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are only used for explaining the patent, and should not be construed as limiting the patent.

In the description of this patent, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this patent and simplifying the description, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting on the patent.

In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", and "setting" should be understood in a broad sense, for example, it can be fixed connection, setting , can also be detachably connected and set, or integrally connected and set. Those of ordinary skill in the art can understand the specific meanings of the above terms in this patent according to specific situations.

Referring to Fig. 1-Fig. 4, a carbon dioxide storage container for oil field CCUS system includes a fixed support foot 8 and a cooling outer tank 9, the fixed support foot 8 is installed and fixed on the lower end of the cooling outer tank 9, and the cooling outer tank 9 The right end of the tank is provided with a delivery pipeline 6, the outer end of the delivery pipeline 6 is provided with an external circulation pump 7, the inside of the cooling outer tank 9 is provided with a buffer storage tank 5, and the middle of the upper end of the buffer storage tank 5 is provided with a carbon dioxide valve inlet pipe 2, and the carbon dioxide The left side of the valve inlet pipe 2 is located on the buffer storage tank 5 with a CCUS system pressure measuring instrument 1, and the right side of the carbon dioxide valve inlet pipe 2 is located on the buffer storage tank 5 with a CCUS system temperature sensor 3, and the CCUS system temperature sensor 3 The buffer storage tank 5 on the right side is provided with a CCUS system carbon dioxide gas detector 4, and the outside of the cooling outer tank 9 is provided with a CCUS system control box 10, a CCUS system pressure measuring instrument 1, a CCUS system temperature sensor 3, and a CCUS system carbon dioxide gas detector The device 4, the external circulation pump 7 and the CCUS system control box 10 are electrically connected. When in use, the cooling outer tank 9 is easy to place stably due to the fixed support feet 8 at the lower end. The cooling outer tank 9 and the buffer storage tank 5 have a good In this way, the buffer storage tank 5 can effectively avoid collision damage when placed, and connect the CCUS system pressure measuring instrument 1, CCUS system temperature sensor 3, CCUS system carbon dioxide gas detector 4, external circulation pump 7 and CCUS system control box 10, so that the control box 10 of the CCUS system is convenient for receiving data for processing, so that when the temperature is too high, the external circulation pump 7 is controlled to extract the external cooling source, which is transported to the cooling outer tank 9 through the delivery pipeline 6, so that the cooling The outer tank 9 cools the temperature of the internal buffer storage tank 5, and when the data of the CCUS system pressure measuring instrument 1 and the CCUS system carbon dioxide gas detector 4 are abnormal, it is convenient to know the abnormality in time through the CCUS system control box 10, thereby facilitating prompting personnel to handle, The buffer storage tank 5 is convenient to receive external carbon dioxide for storage because the carbon dioxide valve enters the pipe 2 .

Specifically, the buffer storage tank 5 includes a ring baffle 51, a support spring 52, a tank shell 53 and a bottom spring 54, the bottom spring 54 is provided at the lower end of the tank shell 53, and a circle The ring baffle 51, the lower end of the ring baffle 51 is provided with a support spring 52, the support spring 52 is fixedly connected to the cooling outer tank 9, and the ring baffle 51 of the buffer storage tank 5 is welded and fixedly connected by several support springs 52 at the lower end On the outer side of the upper end of the cooling outer tank 9, the tank shell 53 is convenient to be stably socketed inside the cooling outer tank 9, and after the tank shell 53 is socketed, the lower end of the tank shell 53 is connected to the cooling outer tank by the bottom spring 54 9. The inner bottom is in contact, so that the tank shell 53 is effectively elastically supported by the bottom spring 54, so that the tank shell 53 has a good buffer protection effect when placed, so that the collision damage of the tank shell 53 is effectively avoided, and the tank shell 53 is convenient for storing carbon dioxide for placement.

Specifically, the cooling outer tank 9 includes a water inlet pipe 91, a supporting ring plate 92, an outer tank shell 93, a bottom sealing plate 94, an outlet pipe 95 and a tank inner cavity 96, and the upper right side of the outer tank shell 93 is provided with The water inlet pipe 91 is provided with an outlet pipe 95 on the left side of the lower end of the outer tank shell 93. The inside of the tank shell 93 is provided with a tank inner cavity 96, the bottom sealing plate 94 is fixedly connected to the fixed support foot 8, the water inlet pipe 91 is fixedly connected to the delivery pipe 6, and the support ring plate 92 is fixedly connected to the buffer storage tank 5 Above, the bottom sealing plate 94 of the cooling outer tank 9 is welded and fixedly connected to the fixed support feet 8, so that the bottom sealing plate 94 is convenient for stable support through the fixed support feet 8, and the water inlet pipe 91 of the outer tank shell 93 is fixedly connected to the Pipeline 6, so that it is convenient to receive an external cooling source and transport it to the outer tank shell 93, so that it is easy to discharge through the outlet pipe 95 of the outer tank shell 93, so that the temperature of the outer tank shell 93 is effectively reduced, so that the outer tank shell 93 effectively cools the buffer storage tank 5 inside the tank inner cavity 96 during cooling, effectively controls the temperature of the buffer storage tank 5 like this, and avoids a high temperature state. The support spring 52 of the buffer storage tank 5 is convenient for elastic support, so that the buffer storage tank 5 is more stable when placed.

Specifically, the conveying pipeline 6 includes a pump body connecting pipe 61, a conveying vertical pipe 62, a connecting short rod 63 and an upper connecting pipe 64. The outer wall of the conveying vertical pipe 62 is provided with a connecting short rod 63, and the upper end of the conveying vertical pipe 62 is provided with an upper The connecting pipe 64, the lower end of the conveying vertical pipe 62 is provided with a pump body connecting pipe 61, and the upper connecting pipe 64 is fixedly connected to the cooling outer tank 9, and the pump body connecting pipe 61 of the conveying pipeline 6 is connected to the external circulation pump 7, so that the external The cooling source extracted by the circulating pump 7 is conveniently transported to the delivery vertical pipe 62 because of the pump body connecting pipe 61, and then delivered to the upper connecting pipe 64 through the delivery vertical pipe 62, so as to be delivered to the cooling outer tank 9, so that the cooling is effectively cooled. The outer tank 9 and the conveying vertical pipe 62 are welded on the outer wall of the cooling outer tank 9 because of the connecting short rod 63 during transportation, so that the conveying vertical pipe 62 is more stable when conveying.

Specifically, the buffer storage tank 5 is located in the middle of the cooling outer tank 9, and the centers of the buffer storage tank 5 and the cooling outer tank 9 are on the same straight line, because the buffer storage tank 5 is located in the inner middle of the cooling outer tank 9, thereby cooling The outer tank 9 effectively cools and wraps the protective buffer storage tank 5, and the centers of the buffer storage tank 5 and the cooling outer tank 9 are on the same straight line, so that the buffer storage tank 5 is more stable when placed.

Specifically, the carbon dioxide valve inlet pipe 2 and the buffer storage tank 5 are fixedly connected by welding, and the connection between the carbon dioxide valve inlet pipe 2 and the buffer storage tank 5 is connected, because the connection between the carbon dioxide valve inlet pipe 2 and the buffer storage tank 5 is connected, It makes it easy to transport carbon dioxide gas through, so that there will be no obstruction during the transport.

Specifically, the cooling outer tank 9 and the delivery pipeline 6 are fixedly connected by screws, and the joint between the cooling outer tank 9 and the delivery pipeline 6 is provided with a sealing rubber pad, because the cooling outer tank 9 and the delivery pipeline 6 are fixedly connected by screws, so that the cooling The outer tank 9 and the conveying pipeline 6 are convenient to install and fix, and the connection between the cooling outer tank 9 and the conveying pipeline 6 is provided with a sealing rubber pad, so that it is more compact and firm when fixed.

Specifically, there are four fixed support feet 8, and the array of fixed support feet 8 is distributed on the lower end of the cooling outer tank 9. Because the array of four fixed support feet 8 is distributed on the lower end of the cooling outer tank 9, the cooling outer tank The tank 9 is convenient for stable placement and use by fixing the supporting feet 8.

Working principle: when in use, the cooling outer tank 9 is easy to place stably due to the fixed support feet 8 at the lower end, and the cooling outer tank 9 and the buffer storage tank 5 have a good elastic buffering effect, so that the buffer storage tank 5 is effective when placed To avoid collision damage, connect the CCUS system pressure measuring instrument 1, the CCUS system temperature sensor 3, the CCUS system carbon dioxide gas detector 4, the external circulation pump 7 and the electrical connection of the CCUS system control box 10, so that the CCUS system control box 10 is convenient The received data is processed, so that when the temperature is too high, the external circulation pump 7 is controlled to extract the external cooling source, which is transported to the cooling outer tank 9 through the delivery pipeline 6, so that the cooling outer tank 9 cools the temperature of the internal buffer storage tank 5, and the CCUS system When the data of the pressure measuring instrument 1 and the carbon dioxide gas detector 4 of the CCUS system are abnormal, it is convenient to know the abnormality in time through the CCUS system control box 10, so as to facilitate prompting personnel to handle it. to store.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (8)

1. A carbon dioxide storage container for an oil field CCUS system, comprising a fixed support foot (8) and a cooling outer tank (9), characterized in that the fixed support foot (8) is installed and fixed on the cooling outer tank (9) At the lower end position of the cooling outer tank (9), the right end of the cooling outer tank (9) is provided with a delivery pipeline (6), and the outer end of the delivery pipeline (6) is provided with an external circulation pump (7), and the cooling outer tank (9) The interior of the buffer storage tank (5) is provided with a carbon dioxide valve inlet pipe (2) in the middle of the upper end of the buffer storage tank (5), and the left side of the carbon dioxide valve inlet pipe (2) is located in the buffer storage tank (5) ) is provided with a CCUS system pressure measuring instrument (1), the right side of the carbon dioxide valve inlet pipe (2) is located on the buffer storage tank (5) and is provided with a CCUS system temperature sensor (3), and the CCUS system temperature sensor ( 3) The right side of the buffer storage tank (5) is provided with a CCUS system carbon dioxide gas detector (4), and the outside of the cooling outer tank (9) is provided with a CCUS system control box (10), and the CCUS system pressure The measuring instrument (1), the CCUS system temperature sensor (3), the CCUS system carbon dioxide gas detector (4), the external circulation pump (7) and the CCUS system control box (10) are electrically connected. 2. A kind of carbon dioxide storage container for oil field CCUS system according to claim 1, is characterized in that, described buffer storage tank (5) comprises annular baffle plate (51), support spring (52), tank body Shell (53) and bottom spring (54), the lower end of described tank shell (53) is provided with bottom spring (54), and the upper end peripheral side of described tank shell (53) is provided with ring baffle (51) , the lower end of the circular baffle (51) is provided with a support spring (52), and the support spring (52) is fixedly connected to the cooling outer tank (9). 3. A carbon dioxide storage container for an oil field CCUS system according to claim 1, characterized in that, the cooling outer tank (9) comprises a water inlet pipe (91), a supporting ring plate (92), an outer Tank shell (93), bottom sealing plate (94), outlet pipe (95) and tank inner cavity (96), the upper right side of the outer tank shell (93) is provided with a water inlet pipe (91), so The left side of the lower end of the outer tank shell (93) is provided with an outlet pipe (95), and the lower end of the outer tank shell (93) is provided with a bottom sealing plate (94). The upper end is provided with a supporting ring plate (92), the inside of the outer tank shell (93) is provided with a tank inner cavity (96), and the bottom sealing plate (94) is fixedly connected to the fixed support foot (8), The water inlet pipe (91) is fixedly connected to the delivery pipe (6), and the support ring plate (92) is fixedly connected to the buffer storage tank (5). 4. A carbon dioxide storage container for an oil field CCUS system according to claim 1, characterized in that, the delivery pipeline (6) includes a pump body connecting pipe (61), a delivery standpipe (62), a connecting short Rod (63) and upper connecting pipe (64), the outer wall of described conveying vertical pipe (62) is provided with connecting short rod (63), and the upper end of described conveying vertical pipe (62) is provided with upper connecting pipe (64), The lower end of the conveying vertical pipe (62) is provided with a pump body connecting pipe (61), and the upper connecting pipe (64) is fixedly connected to the cooling outer tank (9). 5. A carbon dioxide storage container for an oil field CCUS system according to claim 1, characterized in that, the buffer storage tank (5) is located in the middle of the cooling outer tank (9), and the buffer storage tank (5) and the center of circle of the cooling outer tank (9) are on the same straight line. 6. A kind of carbon dioxide storage container for oilfield CCUS system according to claim 1, is characterized in that, described carbon dioxide valve inlet pipe (2) and buffer storage tank (5) are fixedly connected by welding, and described carbon dioxide The junction of the valve inlet pipe (2) and the buffer storage tank (5) is connected. 7. A carbon dioxide storage container for oil field CCUS systems according to claim 1, characterized in that, the outer cooling tank (9) and the delivery pipeline (6) are fixedly connected by screws, and the outer cooling tank (9) and the joint of the delivery pipeline (6) are provided with a sealing rubber pad. 8. A carbon dioxide storage container for an oil field CCUS system according to claim 1, characterized in that there are four fixed support feet (8) in total, and the fixed support feet (8) are distributed in an array On the lower end of the cooling outer tank (9).

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