CN111646033A - Tank container - Google Patents

Abstract

The invention provides a tank container. The tank container comprises a tank body, a frame, a sewage suction pipeline, a sewage discharge pipeline and a vacuum pumping pipeline. The tank body is provided with a sewage suction port, a sewage discharge port and a vacuumizing interface, and the vacuumizing interface is communicated with the gas phase space of the tank body; the frame is arranged outside the tank body and supports the tank body; the sewage suction pipeline is provided with a sewage suction inlet end and a sewage suction outlet end, the sewage suction inlet end is communicated with the outside, and the sewage suction outlet end is communicated with the sewage suction port to suck outside substances into the tank body; the sewage discharge pipeline is provided with an external interface end and a tank body interface end, the tank body interface end is communicated with the sewage discharge port, and the external interface end is communicated with the outside to discharge substances in the tank body to the outside; the vacuumizing pipeline is provided with a gas inlet end and a gas outlet end, the gas inlet end is communicated with the outside, and the gas outlet end is communicated with the vacuumizing interface to vacuumize the tank body to generate negative pressure in the tank body so as to suck outside substances into the tank body.

Description

Tank container

Technical Field

The invention relates to the field of containers, in particular to a tank container.

Background

The vacuum sewage suction truck is a special vehicle for sucking, transporting and moving sludge and sewage in sewers, catch basins and settling wells. The device can greatly reduce the labor intensity of the heavy and dangerous sewer construction operation of municipal workers and is not damaged by toxic gas.

At present, a vacuum sewage suction truck mainly comprises a truck head, a tank body, a pipeline, a truck body and accessories, wherein the tank body and the truck body are generally of fixed structures, so that the tank body and the truck body are difficult to disassemble and have poor flexibility.

Disclosure of Invention

The invention aims to provide a tank container to solve the problem that a vacuum sewage suction truck in the prior art is poor in flexibility.

In order to solve the above technical problems, the present invention provides a tank container, comprising: the tank body is provided with a sewage suction port, a sewage discharge port and a vacuumizing interface, and the vacuumizing interface is communicated with the gas phase space of the tank body; a frame disposed outside the tank body and supporting the tank body; the sewage suction pipeline is fixedly connected with the frame or the tank body and is provided with a sewage suction inlet end and a sewage suction outlet end, the sewage suction inlet end is communicated with the outside, and the sewage suction outlet end is communicated with the sewage suction port of the tank body so as to suck outside substances into the tank body; the sewage discharge pipeline is fixedly connected with the frame or the tank body, and is provided with an external interface end and a tank body interface end, the tank body interface end is communicated with a sewage discharge outlet of the tank body, and the external interface end is communicated with the outside and can discharge substances in the tank body to the outside; the vacuumizing pipeline is fixedly connected with the frame or the tank body and provided with a gas inlet end and a gas outlet end, the gas inlet end is communicated with the outside, and the gas outlet end is communicated with a vacuumizing interface of the tank body and can vacuumize the tank body to generate negative pressure in the tank body so as to suck external substances into the tank body.

In one embodiment, a height difference is formed between the sewage suction inlet end and the sewage suction outlet end, and the sewage suction inlet end is located below the sewage suction outlet end.

In one embodiment, the sewage suction pipeline includes a vertical pipe section and a horizontal pipe section connected to the vertical pipe section, the horizontal pipe section extends along the axial direction of the tank body, the sewage suction outlet end is located at the free end of the horizontal pipe section, the vertical pipe section is located at the first end of the tank body, and the sewage suction inlet end is located at the free end of the vertical pipe section.

In one embodiment, the tank body is offset towards one end of the frame, so that the tank body and the other end of the frame form an accommodating space, and the accommodating space is used for accommodating the sewage suction pipeline, the sewage discharge pipeline and the vacuum pumping pipeline.

In one embodiment, the sewage draining pipeline is disposed at the bottom of the tank and extends along the axial direction of the tank, and the external interface end of the sewage draining pipeline is located in the accommodating space.

In one embodiment, the vacuum pumping pipeline includes a first pipe section, a third pipe section, and a second pipe section connecting the first pipe section and the third pipe section, the first pipe section is located in the accommodating space, the second pipe section and the third pipe section are located at the top of the tank body, the gas inlet end is located at a free end of the first pipe section, and the gas outlet end is located at a free end of the third pipe section.

In one embodiment, the vacuum-pumping pipeline is provided with an overcharge protection device, and the overcharge protection device is used for disconnecting the vacuum-pumping pipeline from the interior of the tank body when the liquid in the tank body reaches the highest allowable liquid filling level.

In one embodiment, the tank body is further provided with a pressurizing port, and the pressurizing port is communicated with the gas phase space of the tank body; the tank container further comprises a pressurization pipeline, wherein the pressurization pipeline is provided with a pressurization inlet end and a pressurization outlet end, the pressurization outlet end is communicated with the pressurization port, and the pressurization inlet end is communicated with the outside so as to pressurize the interior of the tank body.

In one embodiment, a manhole is arranged on the tank body, and the manhole and the sewage pipeline are respectively located at two opposite ends of the tank body.

In one embodiment, the tank container further comprises: the safety valve is arranged at the top of the tank body and is communicated with the gas phase space in the tank body, a pressure value is preset in the safety valve, and when the pressure in the tank body reaches the pressure value, the safety valve is opened; the footpath is arranged at the top of the tank body and extends along the axial direction of the tank body; the liquid level meter is arranged on one side of the tank body and is communicated with the interior of the tank body; and the swash plate is fixed on the inner wall of the tank body.

According to the technical scheme, the invention has the advantages and positive effects that: the tank container comprises a tank body, a frame, a sewage suction pipeline, a sewage discharge pipeline and a vacuum pumping pipeline, wherein the vacuum pumping pipeline is used for vacuumizing the tank body to generate negative pressure in the tank body so as to convey external substances into the tank body, or the sewage discharge pipeline is used for discharging the substances in the tank body outwards, so that the vacuum sewage suction, storage and transportation functions of the tank container are realized. And this tank container can be equipped the cooperation with the tank container transportation of general type, and then makes tank container's storage and transportation function can be mutually independent, and the flexibility is better.

Drawings

FIG. 1 is a front view of one embodiment of the tank container of the present invention;

FIG. 2 is a top view of one embodiment of the tank container of the present invention;

FIG. 3 is a front view of one embodiment of the tank container of the present invention;

FIG. 4 is a rear view of one embodiment of the tank container of the present invention;

FIG. 5 is a front view of one embodiment of an end manhole according to the present invention;

FIG. 6 is a side view of one embodiment of an end manhole according to the present invention;

FIG. 7 is a side view of one embodiment of the evacuation line of the present invention;

FIG. 8 is a front view of one embodiment of the trapway of the present invention;

FIG. 9 is a side view of one embodiment of a trapway of the present invention;

FIG. 10 is a front view of one embodiment of the dirt suction line of the present invention;

FIG. 11 is a top view of one embodiment of a dirt suction pipe of the present invention;

FIG. 12 is a side view of one embodiment of a dirt pick-up line of the present invention;

FIG. 13 is a front view of one embodiment of the evacuation line of the present invention;

FIG. 14 is a top view of one embodiment of the evacuation line of the present invention.

Wherein the reference numerals are as follows: 1. a tank container; 11. a tank body; 111. a barrel; 112. sealing the end; 113. a reinforcement ring; 115. an end manhole; 116. a top manhole; 12. a frame; 121. an end frame; 122. a side beam; 13. a vacuum pumping pipeline; 131. a gas inlet port; 132. a first valve element; 133. a gas outlet end; 134. a floating ball; 135. a pressure gauge; 136. a first tube section; 137. a second tube section; 138. a third tube section; 14. a sewage suction pipeline; 141. a sewage suction inlet end; 142. a second valve element; 143. a sewage suction outlet end; 144. a vertical pipe section; 145. a horizontal pipe section; 146. a flange; 15. a sewage draining pipeline; 151. an external interface end; 152. a third valve element; 153. a tank body interface end; 16. a pressurization pipeline; 171. a liquid level meter; 172. a safety valve; 173. a footpath; 174. a swash plate.

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.

For further explanation of the principles and construction of the present invention, reference will now be made in detail to the preferred embodiments of the present invention, which are illustrated in the accompanying drawings.

Referring to fig. 1 to 4, the present invention provides a tank container 1, and the tank container 1 specifically includes a tank body 11, a frame 12, a vacuum pumping pipeline 13, a sewage suction pipeline 14, and a sewage discharge pipeline 15. The tank container can be used for collecting, storing and conveying liquid substances such as excrement, slurry, crude oil and the like. The tank container 1 in this embodiment is a standard tank container 1(ISO), and can be equipped with the cooperation with the 1 transportation of tank container of general type, and then this tank container's storage and transportation function can be mutually independent, and the flexibility is better. For convenience of explanation, the tank container 1 is defined to have a longitudinal direction in a length direction and a lateral direction in a width direction.

The frame 12 includes two end frames 121 disposed at an interval, a side member 122 connected between the two end frames 121, and an angle member connecting the end frames and the side member. The frame 12 facilitates transportation and stacking of the tank container 1.

The tank 11 is disposed in the frame 12. In this embodiment, the tank 11 is shifted toward one end of the frame 12, so that the tank 11 and the other end of the frame 12 form an accommodating space. In this embodiment, the tank 11 is shifted toward the right end of the frame 12, so that the tank 11 and the left end of the frame 12 form an accommodating space. The left end and the right end are referred to in the view direction of fig. 1, face the tank 11, and are located on the left side of the center line of the tank 11, namely, the left end, and are located on the right side, namely, the right end.

Specifically, the tank 11 has a first end and a second end, and a distance between the first end and a longitudinal center line of the frame 12 is smaller than a distance between the second end and the longitudinal center line of the frame 12 in a longitudinal direction of the frame 12, so that an accommodating space is formed between the first end of the tank 11 and the frame 12.

Specifically, the tank 11 includes a cylinder 111, end sockets 112 connected to both ends of the cylinder 111, and a plurality of reinforcing rings 113. The reinforcing rings 113 are provided so as to protrude in the circumferential direction of the outer wall of the can body 11 and are provided at intervals in the axial direction of the can body 11. The reinforcing ring 113 is provided on the cylinder 111 of the can 11 to increase the strength of the can 11.

The tank body 11 is provided with a sewage suction port, a sewage discharge port and a vacuumizing interface.

Specifically, the dirt suction port is opened at the top of the tank body 11.

The vacuumizing interface is arranged at the top of the tank body 11 and is communicated with the gas phase space of the tank body 11. In other embodiments, the evacuation port may be opened at other locations within the tank 11 above the maximum allowable fill level. According to the actual requirement.

The drain outlet is arranged at the bottom of the tank body 11 so as to facilitate the discharge of the substances in the tank body 11 to the outside. In this embodiment, the drain is opened at the first end of the tank body 11. In other embodiments, the opening position of the sewage draining exit can be set according to actual needs.

Referring to fig. 1, 5 and 6, the second end of the tank 11 is provided with an end manhole 115 so that a worker can enter the tank 11 to clean solids deposited in the tank 11 after a long time use, thereby smoothly discharging the liquid in the tank 11. Specifically, the end manhole 115 is located at the bottom of the second end of the tank 11, which facilitates the entry and exit of workers. In other embodiments, the height of the end manhole 115 may be set at the middle part along the height direction of the tank container 1, and the height position of the end manhole 115 may be set according to actual needs.

The top of the tank body 11 is provided with a top manhole 116 for workers to enter the tank body 11 for cleaning and maintenance.

Referring to fig. 7 and 8, the vacuum pumping pipeline 13 has a gas inlet end 131 and a gas outlet end 133, the gas inlet end 131 is communicated with the outside, and the gas outlet end 133 is communicated with the vacuum pumping port of the tank 11 and further communicated with the inside of the tank 11 to vacuumize the tank 11, so that a pressure difference is generated between the inside of the tank 11 and the outside, and further, the outside material is sucked into the tank 11 through the dirt suction pipeline 14.

Specifically, the evacuation line 13 includes a first tube segment 136, a second tube segment 137, and a third tube segment 138, the second tube segment 137 connecting the first tube segment 136 and the third tube segment 138. The first pipe section 136 is located in the accommodating space and extends from the bottom of the frame 12 to the corner of the top of the frame 12, the second pipe section 137 is connected with the first pipe section 136 at the corner of the top of the frame 12, the second pipe section 137 extends along the direction from the first end to the second end of the tank 11, and the third pipe section 138 extends along the transverse direction of the tank 11. The gas inlet end 131 is located at the free end of the first tube section 136 and the gas outlet end 133 is located at the free end of the third tube section 138.

The first tube 136 has a bending portion, and the bending portion bends toward the can 11. The first pipe section 136 is provided with a first valve 132 for controlling the connection and disconnection between the vacuum pumping pipeline 13 and the interior of the tank 11. The first valve member 132 is disposed on the bending portion to avoid the frame 12, thereby saving space. When the tank container 1 is vacuumized, the first valve 132 is opened, and the vacuum line 13 communicates with the tank 11 to perform the vacuum operation, thereby generating a negative pressure in the tank 11.

The vacuum pumping pipeline 13 is provided with a pressure gauge 135 for observing the pressure value in the tank body 11.

Referring to fig. 3 and 9, along the transverse direction of the tank 11, the vacuum pumping pipeline 13 and the dirt suction pipeline 14 are respectively located on two opposite sides of the transverse central axis of the tank 11. By adopting the design, the vacant space between the frame 12 and the tank body 11 is fully utilized, and the space is saved by reasonable arrangement.

The vacuumizing pipeline 13 is also provided with an overcharge protection device, when the liquid in the tank body 11 reaches the highest allowable liquid level, the overcharge protection device cuts off the communication between the vacuumizing pipeline 13 and the interior of the tank body 11, the tank body 11 stops being vacuumized, and then the external substances are stopped being continuously conveyed into the tank body 11.

In this embodiment, the overcharge protection device is a floating ball 134 disposed in the tank 11, and when the liquid in the tank 11 reaches the maximum allowable liquid level, the floating ball 134 blocks the vacuum-pumping pipeline 13, and stops vacuum-pumping, and the sewage-sucking pipeline 14 loses sewage-sucking power and stops liquid feeding. Because the vacuum-pumping pipeline 13 is always communicated with the gas phase space, the overcharge protection device is arranged above the vacuum-pumping pipeline 13 and is connected with the positive and negative pressure gauges 135 at a position which is convenient for people to observe, so that the internal pressure condition of the tank body 11 can be known at any time, and the operation and the protection of the tank body 11 are facilitated. In other embodiments, an overcharge protection device may be disposed on the sewage suction pipeline 14, and the sewage suction pipeline 14 may be closed when the sewage suction pipeline is full to protect the sewage suction pipeline from overcharge.

In other embodiments, the overcharge protection device may be other than the floating ball 134, and is not limited herein.

The dirt suction pipe 14 is fixedly connected to the frame 12. Referring to fig. 10-12, the dirt suction pipe 14 has a dirt suction inlet 141 and a dirt suction outlet 143, the dirt suction inlet 141 is used for communicating with the outside, and the dirt suction outlet 143 is communicated with the dirt suction port of the tank 11 to suck the outside materials into the tank 11. Specifically, the sewage suction line 14 includes a vertical pipe section 144 and a horizontal pipe section 145 that are vertically connected. Wherein, the horizontal pipe section 145 extends along the axial direction of the tank body 11, and the free end of the horizontal pipe section 145 is the sewage sucking outlet end. The vertical pipe section 144 is located in the accommodating space, and the free end of the vertical pipe section 144 is the sewage suction inlet end 141.

Referring to fig. 11, the horizontal pipe section 145 is located at the top of the tank 11, the vertical pipe section 144 is located in the accommodating space, and the dirt suction inlet 141 is located at the bottom of the tank 11, so that the dirt suction inlet 141 of the dirt suction pipeline 14 is lower than the dirt suction outlet 143, and therefore, the liquid in the dirt suction pipeline 14 flows back to the outside under the condition of no pressure, so that no residual liquid exists in the dirt suction pipeline 14 after the operation is finished, and the risk of blocking the dirt suction pipeline 14 due to liquid solidification is reduced. Further, the dirt suction outlet 143 is disposed at the top of the tank 11, and therefore is located above the highest allowable filling level in the tank 11, so as to prevent the liquid in the tank 11 from flowing back into the pipeline due to splashing or the like.

Specifically, the vertical segments extend to the corners of the frame 12 to connect with the horizontal segments. That is, the vertical section and the horizontal section of the sewage suction pipeline 14 are connected at the corner of the frame 12, the space of the frame 12 is fully utilized, and the whole volume of the tank container 1 is reduced.

Referring to fig. 12, the dirt absorbing pipeline 14 is provided with a second valve 142 for controlling the dirt absorbing pipeline 14 to be connected with or disconnected from the inside of the tank 11. When the tank container 1 performs a soil pick-up operation, the second valve 142 is opened, and the soil pick-up pipeline 14 communicates with the inside of the tank 11 to transfer foreign substances into the tank 11.

In this embodiment, the material of the dirt suction pipeline 14 is a steel pipe, and the dirt suction outlet 143 is connected to the tank 11 through a flange 146.

The sewage discharge pipeline 15 is fixedly connected with the tank body 11. Referring to fig. 13, the sewage draining pipeline 15 has an external connection end 151 and a tank connection end 153, the tank connection end 153 is communicated with the sewage draining port of the tank 11, and the external connection end 151 is used for being communicated with the outside to discharge the substances in the tank 11 to the outside. In this embodiment, the sewage draining pipeline 15 is disposed in the accommodating space and extends along the axial direction of the tank 11.

Referring to fig. 14, a sewage drain line 15 is disposed at the middle of the tank 11 in the lateral direction of the tank 11. In other embodiments, the position of the sewage draining pipeline 15 on the tank 11 can be set according to actual needs.

The sewage pipeline 15 is provided with a second valve 142 for controlling the on-off of the sewage pipeline 15 and the interior of the tank 11. When the tank container 1 performs a sewage discharge operation, the second valve 142 is opened, and the sewage discharge pipeline 15 communicates with the inside of the tank 11 to discharge the substances in the tank 11 to the outside.

The sewage pipeline 15 is arranged at the first end of the tank body 11, the end manhole 115 is arranged at the second end of the tank body 11, the space at the two ends of the tank body 11 is fully utilized, the design and manufacturing difficulty is reduced, the use requirements and the use frequency of the end manhole 115 and the sewage pipeline 15 are different, and the end manhole 115 and the sewage pipeline are respectively arranged at the two ends of the tank body 11 and are safer to use.

Referring again to fig. 1 to 4, the tank container 1 in the present embodiment further includes a pressurization line 16, a level gauge 171, a safety valve 172, a walkway 173, and a swash plate 174.

The pressurization line 16 is used to increase the pressure in the gas phase space and thus the speed of the sewage discharge when the material is discharged to the outside. Specifically, referring to fig. 4, the outward interface end 151 of the pressurization line 16 is located at the first end of the tank 11 and at the bottom of the tank 11, and the tank 11 interface end of the pressurization line 16 is communicated with the gas phase space of the tank 11.

In other embodiments, the pressurization line 16 may not be separately provided, and the vacuum line 13 may be used to perform this function when the speed of draining needs to be increased.

The liquid level gauge 171 is disposed at one side of the tank 11. In this embodiment, the liquid level meter 171 is located on the same side as the evacuation line 13. The liquid level gauge 171 is used to display the liquid level of the contents of the tank 11.

Referring to fig. 2, the safety valve 172 is disposed at the top of the tank 11. When the pressure in the tank 11 reaches the preset pressure value of the safety valve 172, the safety valve 172 is automatically opened to discharge gas to ensure the safety in the tank 11.

Referring to fig. 2, the walkway 173 is disposed at the top of the tank 11 to facilitate the worker walking and operating on the top of the tank 11.

Referring to FIG. 1, the swash plate 174 is secured to the inner wall of the tank 11 to reduce surges of liquid in the tank 11 during transportation. In the present embodiment, two swash plates 174 are provided at intervals in the axial direction of the tank 11. In other embodiments, the number of swash plates 174 may be set according to actual needs.

The operating principle of the tank container 1 is as follows:

the gas inlet end 131 of the vacuum pumping pipeline 13 is communicated with a vacuum pump, the sewage suction inlet end 141 of the sewage suction pipeline 14 is communicated with the outside, the first valve element 132 on the vacuum pumping pipeline 13 and the second valve element 142 on the sewage suction pipeline 14 are opened, the third valve element 152 on the sewage discharge pipeline 15 is kept closed, the tank body 11 is vacuumized, negative pressure is generated in the tank body 11, and outside substances are sucked into the tank body 11, namely, the sewage suction process is carried out. The liquid level in the tank 11 is observed by the liquid level meter 171, and when the liquid level in the tank 11 reaches the maximum allowable filling level or the first valve member 132 on the vacuum line 13 is closed according to actual needs, the vacuum is stopped, the suction of the dirt is stopped, and then the second valve member 142 on the dirt suction line 14 is closed. When sewage drainage is needed, the external interface end 151 of the sewage drainage pipeline 15 is communicated with the outside, the third valve 152 on the sewage drainage pipeline 15 is opened, and the tank body 11 is pressurized through the pressurization pipeline 16, so that the substances in the tank body 11 are discharged outwards.

According to the technical scheme, the invention has the advantages and positive effects that:

the tank container comprises a tank body, a frame, a sewage suction pipeline, a sewage discharge pipeline and a vacuum pumping pipeline, wherein the vacuum pumping pipeline is used for vacuumizing the tank body to generate negative pressure in the tank body so as to convey external substances into the tank body, or the sewage discharge pipeline is used for discharging the substances in the tank body outwards, so that the vacuum sewage suction, storage and transportation functions of the tank container are realized. And this tank container can be equipped the cooperation with the tank container transportation of general type, and then makes tank container's storage and transportation function can be mutually independent, and the flexibility is better.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (10)

1. A tank container, comprising:

the tank body is provided with a sewage suction port, a sewage discharge port and a vacuumizing interface, and the vacuumizing interface is communicated with the gas phase space of the tank body;

a frame disposed outside the tank body and supporting the tank body;

the sewage suction pipeline is fixedly connected with the frame or the tank body and is provided with a sewage suction inlet end and a sewage suction outlet end, the sewage suction inlet end is communicated with the outside, and the sewage suction outlet end is communicated with the sewage suction port of the tank body so as to suck outside substances into the tank body;

the sewage discharge pipeline is fixedly connected with the frame or the tank body, and is provided with an external interface end and a tank body interface end, the tank body interface end is communicated with a sewage discharge outlet of the tank body, and the external interface end is communicated with the outside and can discharge substances in the tank body to the outside;

the vacuumizing pipeline is fixedly connected with the frame or the tank body and provided with a gas inlet end and a gas outlet end, the gas inlet end is communicated with the outside, and the gas outlet end is communicated with a vacuumizing interface of the tank body and can vacuumize the tank body to generate negative pressure in the tank body so as to suck external substances into the tank body.

2. The tank container of claim 1, wherein there is a height difference between the soil intake inlet end and the soil intake outlet end, and the soil intake inlet end is located below the soil intake outlet end.

3. The tank container according to claim 2, wherein the soil pick-up pipeline includes an upright pipe section and a horizontal pipe section connected to the upright pipe section, the horizontal pipe section extends in an axial direction of the tank body, the soil pick-up outlet end is located at a free end of the horizontal pipe section, the upright pipe section is located at a first end of the tank body, and the soil pick-up inlet end is located at a free end of the upright pipe section.

4. The tank container of claim 1, wherein the tank body is offset toward one end of the frame such that the tank body forms an accommodation space with the other end of the frame, the accommodation space being for accommodating the soil pick-up line, the soil discharge line, and the vacuum line.

5. The tank container according to claim 4, wherein the sewage drain line is provided at a bottom of the tank body and extends in an axial direction of the tank body, and an outer interface end of the sewage drain line is located in the accommodation space.

6. The tank container of claim 4, wherein the evacuation line includes a first pipe section, a third pipe section, and a second pipe section connecting the first pipe section and the third pipe section, the first pipe section is located in the accommodating space, the second pipe section and the third pipe section are located at the top of the tank body, the gas inlet end is located at a free end of the first pipe section, and the gas outlet end is located at a free end of the third pipe section.

7. The tank container of claim 1, wherein the evacuation line is provided with an overfill protection device for disconnecting the evacuation line from the interior of the tank when the liquid in the tank reaches a maximum allowable level.

8. The tank container according to claim 1, wherein the tank body is further provided with a pressurizing port, and the pressurizing port is communicated with the gas phase space of the tank body;

the tank container further comprises a pressurization pipeline, wherein the pressurization pipeline is provided with a pressurization inlet end and a pressurization outlet end, the pressurization outlet end is communicated with the pressurization port, and the pressurization inlet end is communicated with the outside so as to pressurize the interior of the tank body.

9. The tank container according to claim 1, wherein the tank body is provided with an end manhole, and the end manhole and the sewage drain line are respectively located at opposite ends of the tank body.

10. The tank container according to claim 1, further comprising:

the safety valve is arranged at the top of the tank body and is communicated with the gas phase space in the tank body, a pressure value is preset in the safety valve, and when the pressure in the tank body reaches the pressure value, the safety valve is opened;

the footpath is arranged at the top of the tank body and extends along the axial direction of the tank body;

the liquid level meter is arranged on one side of the tank body and is communicated with the interior of the tank body;

and the swash plate is fixed on the inner wall of the tank body.

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