CN212289630U - Low-temperature liquid transport vehicle with liquid pressurization and unloading functions - Google Patents

Abstract

The utility model provides a take pressure boost to unload cryogenic liquids transport vechicle of liquid function, include: the technical scheme adopts a self-pressurization and liquid discharge pump dual system to discharge liquid, so that the liquid pumping speed can be accelerated to the maximum extent; by adopting a small-sized self-pressurization system, the design pressure of the equipment is reduced, the design thickness of the equipment cylinder is reduced, the purpose of lightening the servicing quality is achieved, and the transportation efficiency is improved; the internal pump structure is adopted, so that the space of the operation box is effectively reduced, the volume of the tank body is increased, and the transportation efficiency is improved; meanwhile, the structure of the built-in pump is in the tank body, and the pre-cooling time of the pump is short due to the fact that the structure of the built-in pump is in a low-temperature environment, so that liquid can be pumped out in a short time, the liquid unloading efficiency of the transport vehicle is improved, and the transport vehicle is suitable for all liquid storage and transportation equipment to unload liquid.

Description

Low-temperature liquid transport vehicle with liquid pressurization and unloading functions

Technical Field

The technical scheme is applied to the field of low-temperature liquid storage and transportation equipment, and is a low-temperature liquid transport vehicle with a built-in pump and a self-pressurization liquid unloading dual system.

Background

The liquid nitrogen transport vehicle has a liquid unloading function, the general low-temperature liquid transport vehicle adopts an external pump or a self-booster device, and the external pump structure is generally arranged in a rear operation box, so that the large-space operation box is required to place the external pump; only adopt the self-pressurizing ware structure, then have higher requirement to equipment design pressure for equipment is equipped with the quality greatly, thereby causes the transportation medium quality to reduce, and transportation efficiency reduces.

Disclosure of Invention

The utility model provides a technical problem be: the liquid discharging system is provided with a built-in immersed pump structure and a small supercharger structure, reduces the design pressure of equipment, lightens the servicing quality, improves the transportation efficiency, discharges liquid by using the built-in immersed pump, and improves the liquid discharging speed.

In order to realize the purpose, the utility model discloses the technical scheme who takes is: set up the immersed pump at jar internal portion to connect pump and pipe-line system through the bottom pipeline, be provided with from the power generation system on the vehicle chassis, can rely on the engine electricity generation of vehicle itself to generate electricity and make the immersed pump work, do not need external power supply. Meanwhile, a small self-pressurizer is arranged in a natural gap between a vehicle tire and the tank body, the vehicle space is fully utilized to uniformly pressurize the tank body so as to increase the flow speed, and the liquid pumping speed is accelerated to the maximum extent by adopting a pressurizing and liquid discharging dual system.

The technical effect that this technical scheme gained is:

1. the liquid is discharged by adopting a self-pressurization and liquid discharge pump dual system, so that the pumping speed of the liquid can be accelerated to the greatest extent;

2. by adopting the small-sized self-pressurization system, the design pressure of the equipment can be reduced, the design thickness of the equipment barrel is reduced, the aim of lightening the servicing quality is achieved, and the transportation efficiency is improved.

3. Adopt built-in pump structure, effectively reduced the control box space, increased jar body volume, promoted conveying efficiency. Meanwhile, the built-in pump structure is arranged in the tank body, and is in a low-temperature environment, so that the pre-cooling time of the pump is short, liquid can be pumped out in a short time, and the liquid unloading efficiency of the transport vehicle is improved.

Drawings

FIG. 1 is a schematic view of a liquid nitrogen transport vehicle;

FIG. 2 is a schematic view of a compact supercharging system;

FIG. 3 is a schematic view showing the direction of the liquid inlet and the gas outlet of the small-sized supercharging system

FIG. 4 is a schematic view of a built-in submersible pump system;

FIG. 5 is a schematic diagram of a self-generating system;

FIG. 6 is a schematic diagram of a self-generating system installation;

wherein: 1 manhole, 2 built-in immersed pump systems, 3 small-sized self-pressurization systems, 4 self-generator systems, 5 inner containers, 6 tank bodies, 7 pressurized liquid inlet valves, 8 pressurized gas outlet valves, 9 pipeline safety valves, 10 vaporizer, 11 fixing devices, 12 generators, 13 couplers, 14 chassis longitudinal beams, 15 fixing plate assemblies, 16 hangers, 17 internal fixing plates, 18 immersed pumps, 19 cables

Detailed Description

The utility model discloses a take pressure boost to unload cryogenic liquids transport vechicle of liquid function, include: the system comprises a manhole 1, a built-in immersed pump system 2, a small self-pressurization system 3, a self-generation system 4, an inner container 5 and a tank body 6.

The manhole 1 is used for carrying out maintenance on a built-in immersed pump system 2 arranged in an inner container 5;

the built-in submersible pump system 2 includes: a fixed plate assembly 15, a hanger 16, an internal fixed plate 17, an immersed pump 18 and a cable 19; the fixing plate assembly 15 is fixed inside the inner container 5, the immersed pump 18 is fixed in the fixing plate assembly 15 through an inner fixing plate 17, the cable 19 is a power source of an internal pump and is connected with the generator 12 in the self-generating system 4 for electricity taking, and the hanging bracket 16 is installed on the fixing plate assembly 15 and facilitates operation of the immersed pump 18 during installation and maintenance.

The compact supercharging system 3 comprises: a pressurized liquid inlet valve 7, a pressurized gas outlet valve 8, a pipeline safety valve 9 and a vaporizer 10; the vaporizer 10 is fixed at the lower part of the right side of the transport vehicle, the gap between a vehicle chassis and a tank body 6 is fully utilized, a pressurized liquid inlet valve 7 is arranged at a liquid inlet of the vaporizer, a pressurized gas outlet valve 8 is arranged at a gas outlet, liquid nitrogen enters the vaporizer 10 through the pressurized liquid inlet valve 7 for vaporization when the vaporizer is used, vaporized gas enters the inner container 5 through the pressurized gas outlet valve 8, the purposes of uniform-speed pressurization and liquid discharge speed acceleration are achieved, meanwhile, a pipeline safety valve 9 is arranged in a pipeline, when a 3 small-sized self-pressurizer is not used, the pressurized liquid inlet valve 7 can be controlled to close a liquid path, and the pipeline safety valve is used for emptying 9, so that the pipeline safety of the pressurization system 3 is ensured; the vaporizer 10 is preferably an air-temperature vaporizer.

The self-power generation system 4 includes: 11. the power generator 12 is fixed on a chassis longitudinal beam 14 through the fixing device 11, the power generator is directly connected with a transport vehicle motor through the 13 coupler and driven by the transport vehicle motor to generate power, the voltage is automatically adjusted through a 12-generator control box and a cable 19, power is provided for the operation of the 2-built-in immersed pump, an external power supply is not needed, and the power generator is preferably a waterproof power generator so as to avoid the power generator fault caused by vehicle wading.

According to the technical scheme, the self-pressurization and liquid discharge pump dual system is adopted for discharging liquid, so that the liquid pumping speed can be increased to the greatest extent;

by adopting the small-sized self-pressurization system, the design pressure of the equipment can be reduced, the design thickness of the equipment barrel is reduced, the aim of lightening the servicing quality is achieved, and the transportation efficiency is improved.

Adopt built-in pump structure, effectively reduced the control box space, increased jar body volume, promoted conveying efficiency. Meanwhile, the built-in pump structure is arranged in the tank body, and is in a low-temperature environment, so that the pre-cooling time of the pump is short, liquid can be pumped out in a short time, and the liquid unloading efficiency of the transport vehicle is improved.

The technical scheme can be used for the transportation of low-temperature liquid such as liquid nitrogen, and the like, for example, normal temperature or other liquid is transported, and only related equipment such as a vaporizer and the like is required to be selected into specification and model types suitable for the transported liquid.

The terminology used in the description presented herein is for the purpose of description and illustration, rather than of limitation. As the present solution may be embodied in several forms without departing from the spirit or essential characteristics of the invention, 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 (4)

1. The utility model provides a cryogenic liquids transport vechicle of liquid function is unloaded in pressure boost which characterized in that: the system comprises a built-in immersed pump system, a small self-pressurization system and a self-generating system; the built-in submersible pump system includes: the device comprises a fixed plate assembly, an internal fixed plate, an immersed pump and a cable; the fixing plate assembly is fixed inside the inner container, the immersed pump is fixed in the fixing plate assembly through the inner fixing plate, and the cable is connected with the self-generating system to take electricity; the compact self-pressurization system comprises: a pressurized liquid inlet valve, a pressurized gas outlet valve, a pipeline safety valve and a vaporizer; the vaporizer is fixed at the lower part of the right side of the transport vehicle, a pressurizing liquid inlet valve is arranged at a liquid inlet of the vaporizer, and a pressurizing gas outlet valve is arranged at a gas outlet; the self-generating system includes: fixing device, generator, coupling; the fixing device fixes the generator on the chassis longitudinal beam and is directly connected with the transport vehicle engine through the coupler.

2. The cryogenic liquid transport vehicle of claim 1, wherein: the lifting frame is arranged on the fixing plate assembly.

3. The cryogenic liquid transport vehicle of claim 1, wherein: the vaporizer is an air-temperature vaporizer.

4. The cryogenic liquid transport vehicle of claim 1, wherein: the generator is a waterproof generator.

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