Carbon dioxide storage tank boil-off gas recovery device

Abstract

The utility model discloses a carbon dioxide storage tank boil-off gas recovery device which comprises a heat preservation box, the inner bottom wall of the heat preservation box is fixedly connected with a rotating rod, the outer surface of the rotating rod is sequentially and rotationally connected with a first heat preservation sleeve and a second heat preservation sleeve from bottom to top, and the inner bottom wall of the heat preservation box is fixedly connected with a storage tank body. According to the carbon dioxide storage tank boil-off gas recovery device, the storage tank is placed in the middle of the heat preservation sleeves, the heat preservation sleeve I and the heat preservation sleeve II are closed after the storage tank is placed, the clamping base is inserted into the clamping groove base, the storage tank is fixed in the heat preservation sleeve I and the heat preservation sleeve II, the sealing door is closed, and then the vacuum pump is started; the space between the heat preservation box and the heat preservation sleeve is changed into vacuum, the storage tank is subjected to heat preservation through the heat preservation sleeve, the vacuum space and the heat preservation box, temperature change of the storage tank is avoided as much as possible, the temperature of the storage tank is kept unchanged as much as possible, and evaporation of carbon dioxide gas is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to carbon dioxide storage technical field especially relates to a carbon dioxide storage tank evaporation gas recovery device. BACKGROUND

[0002] Carbon dioxide is a carbon oxygen compound, and is a common compound in air; it is colorless, odorless, non-combustible and non-flammable under normal pressure; it is slightly soluble in water to form carbonic acid; due to its own physical properties, carbon dioxide cannot be stored and transported under ultra-low temperature and low pressure like oxygen, nitrogen and argon, and gaseous storage is extremely poor in cost efficiency, and liquid carbon dioxide storage tanks are mainly used for transporting and storing liquid carbon dioxide, and are currently widely used in mold industry, animal husbandry, medicine, semiconductor, food, aerospace, military and low-temperature chemical industry,

[0003] However, during the storage of existing carbon dioxide, liquid carbon dioxide evaporates into carbon dioxide gas, in order to keep the pressure of the carbon dioxide storage tank from being overpressure and to maintain a low temperature, the generated carbon dioxide gas is directly discharged from the carbon dioxide storage tank, so a storage tank device is needed that can keep the tank warm to avoid the tank being affected by temperature and recover the gas. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide a carbon dioxide storage tank evaporation gas recovery device, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is:

[0006] A carbon dioxide storage tank evaporation gas recovery device, comprising a heat preservation box, the inner bottom wall of the heat preservation box is fixedly connected with a rotating rod, the outer surface of the rotating rod is sequentially rotatably connected with a heat preservation sleeve one and a heat preservation sleeve two from bottom to top, the inner bottom wall of the heat preservation box is fixedly connected with a storage tank body, the top end of the storage tank body is provided with a gas guide port, the top end of the gas guide port is fixedly connected with a spring pipe, the upper surface of the heat preservation box is fixedly connected with a sealing cover, the upper surface of the sealing cover is fixedly connected with a cooling box, one side of the heat preservation box is fixedly connected with a vacuum pump.

[0007] In order to fix the heat preservation sleeve one and the heat preservation sleeve two together, as a carbon dioxide storage tank evaporation gas recovery device of the utility model, the outer surface of the heat preservation sleeve one is fixedly connected with a clamping groove seat, and the outer surface of the heat preservation sleeve two is fixedly connected with a clamping seat.

[0008] In order to seal the front opening of the heat preservation box, as a carbon dioxide storage tank evaporation gas recovery device of the utility model, a sealing door one is hingedly connected to one side of the front of the heat preservation box, and a sealing door two is hingedly connected to the other side of the front of the heat preservation box.

[0009] In order to achieve the effect of improving the sealing effect of the sealing cover, as a kind of carbon dioxide storage tank evaporated gas recovery device of the utility model, the upper surface of the sealing cover is provided with through hole, the lower surface of the sealing cover is fixedly connected with sealing sheet.

[0010] In order to achieve the effect of improving the sealing effect of the sealing cover, as a kind of carbon dioxide storage tank evaporated gas recovery device of the utility model, the upper surface of the sealing cover is provided with through hole, the lower surface of the sealing cover is fixedly connected with sealing sheet.

[0011] In order to achieve the effect of monitoring the pressure coefficient in the spring-shaped tube, as a kind of carbon dioxide storage tank evaporated gas recovery device of the utility model, the bottom end of the spring-shaped tube is fixedly connected with convex ring, the top end of the spring-shaped tube is fixedly connected with pressure sensor, one end of the spring-shaped tube is fixedly connected with exhaust pipe, one end of the exhaust pipe is fixedly connected with electromagnetic valve one.

[0012] In order to achieve the effect of connecting the existing cooling pipeline conveniently, as a kind of carbon dioxide storage tank evaporated gas recovery device of the utility model, the side of the cooling box is fixedly connected with pipeline exhaust fan, one end of the pipeline exhaust fan is fixedly connected with air inlet pipe, the other side of the cooling box is fixedly connected with air outlet pipe.

[0013] In order to achieve the effect of conveniently discharging carbon dioxide liquid, as a kind of carbon dioxide storage tank evaporated gas recovery device of the utility model, the lower surface of the storage tank main body is provided with liquid outlet, the bottom end of the liquid outlet is fixedly connected with electromagnetic valve two, the bottom end of the electromagnetic valve two is fixedly connected with liquid outlet pipe.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The carbon dioxide storage tank evaporated gas recovery device, through the setting of heat preservation box, rotating rod, heat preservation sleeve one, heat preservation sleeve two, storage tank main body, vacuum pump, clamping groove seat, clamping seat, sealing door one and sealing door two, first, open sealing door one and sealing door two, and rotate heat preservation sleeve one and heat preservation sleeve two on rotating rod, so that clamping groove seat and clamping seat are separated, then the storage tank is placed in the middle of heat preservation sleeve, after being placed in position, heat preservation sleeve one and heat preservation sleeve two are closed, so that clamping seat is inserted into clamping groove seat, the storage tank is fixed in heat preservation sleeve one and heat preservation sleeve two, and sealing door is closed, then vacuum pump is started, the space between heat preservation box and heat preservation sleeve becomes vacuum, at this time, the storage tank is preserved by three-layer structure of heat preservation sleeve, vacuum space and heat preservation box, temperature change of the storage tank is avoided as much as possible, temperature of the storage tank is maintained as much as possible, evaporation of carbon dioxide gas is reduced, so that the storage tank can be preserved, and a large amount of carbon dioxide gas is not evaporated due to temperature change of the storage tank.

[0016] 2. The carbon dioxide storage tank evaporated gas recovery device, through the setting of air guide, spring tube, sealing cover, cooling box, exhaust pipe, electromagnetic valve one, pressure sensor, pipeline exhaust fan, air inlet pipe and air outlet pipe, after the device is put into use, the air inlet pipe and the air outlet pipe on the cooling box are connected into the cooling pipeline on the spot, the cooling condition on the spot is borrowed, the cooling box is at low temperature liquefaction temperature, the evaporated gas in the storage tank flows into the spring tube from the air guide, the carbon dioxide gas continuously enters the spring tube, which can increase the pressure in the spring tube, and after long time, under high pressure condition, the carbon dioxide gas is liquefied by cold and flows back to the storage tank, so that the evaporated gas can be changed into liquid and recovered. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of a carbon dioxide storage tank evaporated gas recovery device according to the embodiment 1 of the utility model;

[0018] Figure 2 It is a rear view axonometric structure schematic view of a carbon dioxide storage tank evaporated gas recovery device according to the embodiment 1 of the utility model;

[0019] Figure 3 It is a right view axonometric structure schematic view of a carbon dioxide storage tank evaporated gas recovery device according to the embodiment 1 of the utility model;

[0020] Figure 4 It is a front view cross section structure schematic view of a carbon dioxide storage tank evaporated gas recovery device according to the embodiment 1 of the utility model;

[0021] Figure 5 It is a right view cross section structure schematic view of a carbon dioxide storage tank evaporated gas recovery device according to the embodiment 1 of the utility model;

[0022] Figure 6 It is an axonometric structure schematic view of a heat preservation box in a carbon dioxide storage tank evaporated gas recovery device according to the embodiment 1 of the utility model;

[0023] Figure 7 It is an axonometric structure schematic view of a sealing door in a carbon dioxide storage tank evaporated gas recovery device according to the embodiment 1 of the utility model;

[0024] Figure 8 It is an axonometric structure schematic view of a sealing cover in a carbon dioxide storage tank evaporated gas recovery device according to the embodiment 1 of the utility model;

[0025] Figure 9 It is an axonometric structure schematic view of a cooling box in a carbon dioxide storage tank evaporated gas recovery device according to the embodiment 1 of the utility model;

[0026] Figure 10The utility model discloses a kind of carbon dioxide storage tank evaporated gas recovery devices, including heat preservation box 1, the inner bottom wall of heat preservation box 1 is fixedly connected with rotating rod 2, the outer surface of rotating rod 2 is sequentially rotatably connected with heat preservation sleeve one 3 and heat preservation sleeve two 4 from bottom to top, the inner bottom wall of heat preservation box 1 is fixedly connected with storage tank main body 5, the top of storage tank main body 5 is provided with gas guide 6, the top of gas guide 6 is fixedly connected with spring tube 7, the upper surface of heat preservation box 1 is fixedly connected with sealing cover 8, the upper surface of sealing cover 8 is fixedly connected with cooling box 9, one side of heat preservation box 1 is fixedly connected with vacuum pump 10.

[0027] In the figure: 1, heat preservation box;2, rotating rod;3, heat preservation sleeve one;4, heat preservation sleeve two;5, storage tank main body;6, gas guide;7, spring tube;8, sealing cover;9, cooling box;10, vacuum pump;11, clamping groove seat;12, clamping seat;13, sealing door one;14, sealing door two;15, stepped groove;16, handle groove;17, sealing strip;18, through hole;19, sealing sheet;20, convex ring;21, exhaust pipe;22, electromagnetic valve one;23, pressure sensor;24, pipeline exhaust fan;25, air inlet pipe;26, air outlet pipe;27, liquid outlet;28, electromagnetic valve two;29, liquid outlet pipe. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0029] Embodiment 1

[0030] As Figures 1-10 shown, a kind of carbon dioxide storage tank evaporated gas recovery device, including heat preservation box 1, the inner bottom wall of heat preservation box 1 is fixedly connected with rotating rod 2, the outer surface of rotating rod 2 is sequentially rotatably connected with heat preservation sleeve one 3 and heat preservation sleeve two 4 from bottom to top, the inner bottom wall of heat preservation box 1 is fixedly connected with storage tank main body 5, the top of storage tank main body 5 is provided with gas guide 6, the top of gas guide 6 is fixedly connected with spring tube 7, the upper surface of heat preservation box 1 is fixedly connected with sealing cover 8, the upper surface of sealing cover 8 is fixedly connected with cooling box 9, one side of heat preservation box 1 is fixedly connected with vacuum pump 10.

[0031] In specific use, the heat preservation box 1, the rotating rod 2, the heat preservation sleeve 1, the heat preservation sleeve 2, the storage tank main body 5, the vacuum pump 10, the clamping groove base 11, the clamping base 12, the sealing door 1 and the sealing door 2 are combined into a box body with a three-layer heat preservation structure, the heat preservation sleeve has two parts and is installed on the rotating rod 2, the sealing door also has two parts, when the device is used, the sealing door 1 and the sealing door 2 are opened first, the heat preservation sleeve 1 and the heat preservation sleeve 2 on the rotating rod 2 are rotated to separate the clamping groove base 11 and the clamping base 12, then the storage tank is placed in the heat preservation sleeve, after the position is placed, the heat preservation sleeve 1 and the heat preservation sleeve 2 are closed, the clamping base 12 is inserted into the clamping groove base 11, the storage tank is fixed in the heat preservation sleeve 1 and the heat preservation sleeve 2, and the sealing door is closed, then the vacuum pump 10 is started, the space between the heat preservation box 1 and the heat preservation sleeve is changed into a vacuum, at this time, the storage tank is heat preserved by the three-layer structure of the heat preservation sleeve, the vacuum space and the heat preservation box 1, the temperature change of the storage tank is avoided as much as possible, the temperature of the storage tank is maintained as much as possible, the evaporation of the carbon dioxide gas is reduced, the storage tank can be heat preserved, and a large amount of carbon dioxide gas is prevented from being evaporated due to the temperature change of the storage tank.

[0032] In the embodiment, the outer surface of the heat preservation sleeve 1 is fixedly connected with the clamping groove base 11, and the outer surface of the heat preservation sleeve 2 is fixedly connected with the clamping base 12.

[0033] In specific use, the heat preservation sleeve 1 and the heat preservation sleeve 2 are fixed together through the clamping groove base 11 and the clamping base 12.

[0034] In the embodiment, the front side of the heat preservation box 1 is hingedly connected with the sealing door 1, and the other side of the front of the heat preservation box 1 is hingedly connected with the sealing door 2.

[0035] In specific use, the front opening of the heat preservation box 1 is sealed through the sealing door 1 and the sealing door 2.

[0036] In the embodiment, the face of the sealing door 1 and the sealing door 2 close to each other is provided with a stepped groove 15, the back surface of the sealing door 1 and the sealing door 2 is fixedly connected with a sealing strip 17, and the front surface of the sealing door 1 and the sealing door 2 is provided with a handle groove 16.

[0037] In specific use, the sealing effect of the sealing door is strengthened through the sealing strip 17.

[0038] In the embodiment, the upper surface of the sealing cover 8 is provided with a through hole 18, and the lower surface of the sealing cover 8 is fixedly connected with a sealing sheet 19.

[0039] In specific use, the sealing effect of the sealing cover 8 is improved through the sealing sheet 19.

[0040] In the embodiment, the bottom end of the spring-shaped pipe 7 is fixedly connected with a convex ring 20, the top end of the spring-shaped pipe 7 is fixedly connected with a pressure sensor 23, one end of the spring-shaped pipe 7 is fixedly connected with an exhaust pipe 21, and one end of the exhaust pipe 21 is fixedly connected with an electromagnetic valve 22.

[0041] In specific use, the pressure coefficient in the spring-shaped pipe 7 is monitored through the pressure sensor 23.

[0042] In the embodiment, one side of the cooling box 9 is fixedly connected with a pipeline exhaust fan 24, one end of the pipeline exhaust fan 24 is fixedly connected with an air inlet pipe 25, and the other side of the cooling box 9 is fixedly connected with an air outlet pipe 26.

[0043] In specific use, the air inlet pipe 25 and the air outlet pipe 26 are arranged to facilitate the connection with the existing cooling pipeline.

[0044] In the embodiment, the lower surface of the storage tank body 5 is provided with a liquid outlet 27, the bottom end of the liquid outlet 27 is fixedly connected with an electromagnetic valve 28, and the bottom end of the electromagnetic valve 28 is fixedly connected with a liquid outlet pipe 29.

[0045] In specific use, the liquid outlet 27 is arranged to facilitate the outflow of the carbon dioxide liquid.

[0046] Working principle: when the device is used, the sealing door one 13 and the sealing door two 14 are opened, the heat preservation sleeve one 3 and the heat preservation sleeve two 4 on the rotating rod 2 are rotated, the clamping groove seat 11 and the clamping seat 12 are separated, then the storage tank is placed in the heat preservation sleeve, the position is adjusted, the heat preservation sleeve one 3 and the heat preservation sleeve two 4 are closed, the clamping seat 12 is inserted into the clamping groove seat 11, the storage tank is fixed in the heat preservation sleeve one 3 and the heat preservation sleeve two 4, and the sealing door is closed, then the vacuum pump 10 is started, the space between the heat preservation box 1 and the heat preservation sleeve is made into a vacuum, at this time, the storage tank is preserved by the heat preservation sleeve, the vacuum space and the heat preservation box 1, the temperature change of the storage tank is avoided as much as possible, the temperature of the storage tank is maintained as much as possible, the evaporation of the carbon dioxide gas is reduced, at the same time, the gas evaporated in the storage tank flows into the spring-shaped pipe 7 from the air guide opening 6, the carbon dioxide gas continuously enters the spring-shaped pipe 7, the pressure in the spring-shaped pipe 7 is increased, and the carbon dioxide gas is liquefied by cooling and flows back to the storage tank under the high pressure condition.

[0047] The basic principle and main features of the device and the advantages of the device are shown and described above. It should be understood by those skilled in the art that the device is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the device. Without departing from the spirit and scope of the device, the device can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed device. The scope of protection of the device is defined by the appended claims and their equivalents.

Claims

1. A carbon dioxide storage tank boil-off gas recovery apparatus comprising an insulated tank (1), characterised in that: The inner bottom wall of the heat preservation box (1) is fixedly connected with a rotating rod (2), the outer surface of the rotating rod (2) is sequentially and rotatably connected with a heat preservation sleeve one (3) and a heat preservation sleeve two (4) from bottom to top, the inner bottom wall of the heat preservation box (1) is fixedly connected with a storage tank body (5), the top end of the storage tank body (5) is provided with a gas guide port (6), the top end of the gas guide port (6) is fixedly connected with a spring-shaped pipe (7), the upper surface of the heat preservation box (1) is fixedly connected with a sealing cover (8), the upper surface of the sealing cover (8) is fixedly connected with a cooling box (9), one side of the heat preservation box (1) is fixedly connected with a vacuum pump (10).

2. The evaporated gas recovery device for a carbon dioxide storage tank according to claim 1, characterized by: The outer surface of the heat preservation sleeve one (3) is fixedly connected with a clamping groove seat (11), and the outer surface of the heat preservation sleeve two (4) is fixedly connected with a clamping seat (12).

3. The carbon dioxide storage tank boil-off gas recovery apparatus of claim 1, wherein: The front side of the heat preservation box (1) is hingedly connected with a sealing door one (13), and the other side of the front side of the heat preservation box (1) is hingedly connected with a sealing door two (14).

4. A carbon dioxide storage tank boil-off gas recovery apparatus according to claim 3, wherein: The side, which is close to each other, of the sealing door one (13) and the sealing door two (14) is provided with a stepped groove (15), the back surface of the sealing door one (13) and the sealing door two (14) is fixedly connected with a sealing strip (17), and the front surface of the sealing door one (13) and the sealing door two (14) is provided with a handle groove (16).

5. The carbon dioxide storage tank boil-off gas recovery apparatus of claim 1, wherein: The upper surface of the sealing cover (8) is provided with a through hole (18), and the lower surface of the sealing cover (8) is fixedly connected with a sealing sheet (19).

6. The carbon dioxide storage tank boil-off gas recovery apparatus of claim 1, wherein: The bottom end of the spring-shaped pipe (7) is fixedly connected with a convex ring (20), the top end of the spring-shaped pipe (7) is fixedly connected with a pressure sensor (23), one end of the spring-shaped pipe (7) is fixedly connected with an exhaust pipe (21), and one end of the exhaust pipe (21) is fixedly connected with a solenoid valve one (22).

7. The carbon dioxide storage tank boil-off gas recovery apparatus of claim 1, wherein: One side of the cooling box (9) is fixedly connected with a pipeline exhaust fan (24), one end of the pipeline exhaust fan (24) is fixedly connected with an air inlet pipe (25), and the other side of the cooling box (9) is fixedly connected with an air outlet pipe (26).

8. The carbon dioxide storage tank boil-off gas recovery apparatus of claim 1, wherein: The lower surface of the storage tank body (5) is provided with a liquid outlet (27), the bottom end of the liquid outlet (27) is fixedly connected with a solenoid valve two (28), and the bottom end of the solenoid valve two (28) is fixedly connected with a liquid outlet pipe (29).

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