CN110821776A

CN110821776A - Coordinated controllable bubble pump lift pipe device

Info

Publication number: CN110821776A
Application number: CN201911110908.7A
Authority: CN
Inventors: 刘冰冰; 王明雨; 张少君
Original assignee: Shandong Jiaotong University
Current assignee: Shandong Jiaotong University
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-02-21

Abstract

The invention discloses a coordinated controllable bubble pump lifting pipe device which comprises a universal joint, an interface and a pipe assembly, wherein the universal joint is used for being connected with a bubble generator or a gas-liquid separator, the outer diameter of the interface connected with the universal joint is fixed, and the inner diameter is matched with the outer diameter of the pipe assembly; the outer sidewall of the tube assembly is mounted in the inner sidewall of the interface. The coordinated and controllable type bubble pump lifting pipe device can realize free combination of lifting pipes of different types under different working conditions and variable parameters, and the two-phase flow pattern in the lifting pipe is controlled to be kept at the highest lifting efficiency through the coordinated control of the lifting pipe device, so that a bubble pump system is optimized, and the utilization rate of the ship waste heat energy source is improved.

Description

Coordinated controllable bubble pump lift pipe device

Technical Field

The invention relates to the technical field of fluid machinery, in particular to a coordinated and controllable bubble pump lift pipe device.

Background

At present, more than 90% of global trade is transported by ships, so that the shipping industry becomes a wind vane of global economy, and with continuous deepening and practice of the concept of 'green ocean', the wind vane has increasingly important practical significance on research on energy conservation and emission reduction and energy recovery and utilization of ships. The recovery and utilization of the ship waste heat are effective measures for energy conservation and emission reduction of ships, the bubble pump technology is driven by the ship waste heat, is widely applied to the research field of ship absorption refrigeration systems, can replace the traditional mechanical pump to work, is safe, environment-friendly and pollution-free, and can save the electric energy consumption by 30% and improve the ship waste heat utilization rate by 40%. The key for determining the high and low utilization rate of waste heat in the bubble pump circulating device system is the improvement efficiency of the system.

In recent years, scholars at home and abroad mainly study the bubble pump by changing some factors influencing the performance of the bubble pump, and focus on studying the structural modification of the bubble pump, including the increase of the stage number of the bubble pump, the change of the pipe diameter of a lifting pipe, the study of the height of the lifting pipe and the modification of a flow guide structure. Wherein mainly include: the device comprises a bubble pump device with two coaxial pipes, a multi-pipe time bubble pump device, a diversion type bubble pump structure and a multi-pipe crescent channel bubble pump.

However, with the change of other parameters such as working medium, solution concentration, heating power, sinking ratio and the like of the system, the pipe diameter of the bubble pump with the best lifting efficiency or the optimized pipeline combination is changed immediately, and the process of modifying and reconstructing the whole system of the circulating device of the bubble pump is a complicated, tedious and high-consumption process. At present, on the basis of the existing research theory, the improvement and promotion of the bubble pump circulating device system are all limited by researching a system structure which designs the bubble pump lifting pipe device into a detachable, freely combined, multi-pipe number, multi-pipe type, multi-pipe diameter and multi-structure, namely, under different working conditions, the optimal lifting pipe combination design can be simply and easily operated, or the optimal lifting effect can be obtained by rapidly allocating different pipes, and the key problem needs to be solved by the design.

Disclosure of Invention

The invention aims to provide a coordinated and controllable bubble pump lifting pipe device, which is used for solving the problems in the prior art, effectively improving the working efficiency of a bubble pump and realizing the recycling of the waste heat of a ship with the highest efficiency.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a coordinated controllable bubble pump riser device, which comprises a universal joint, an interface and a pipe assembly, wherein the universal joint is used for being connected with a bubble generator or a gas-liquid separator; the outer sidewall of the tube assembly is mounted in the inner sidewall of the interface.

Preferably, the pipe assembly is a round pipe or a square pipe, and the inner diameter of the interface is matched with the outer diameter of the pipe assembly in shape and size.

Preferably, the cylinder is placed in the interface and is filled, the cylinder is filled and is composed of two hollow cylinders which are sleeved with each other, a gap with the thickness of 1mm is formed between the two layers of cylinders, and a sealing material is filled in the gap.

Preferably, the sealing material is a high-temperature-resistant water-swelling water stop ring.

Preferably, the circular ring surface of the interface is symmetrically provided with mounting holes, and the mounting holes are used for being matched with the insertion salient points of the disassembling tool for mounting.

Preferably, the disassembling tool comprises a handle and a disassembling end which are integrally connected, the disassembling end is symmetrical U-shaped or V-shaped, and the inserting salient points are integrally arranged at the two fork end parts of the disassembling end.

Preferably, when the universal joint is not connected with the component, a stuffy plug is placed in the universal joint.

Compared with the prior art, the invention has the following technical effects:

1. the coordinated and controllable bubble pump lifting pipe device can efficiently realize the change of pipe type, pipe number, pipe diameter and structure of the ship waste heat driven lithium bromide absorption refrigeration system, thereby controlling the flow pattern of two-phase flow in the pipe, and improving the performance of the bubble pump, the refrigeration efficiency of the system and the utilization rate of the ship waste heat.

2. The interface design which is detachable from top to bottom and easy to assemble can be applied to any bubble pump system structure and can also be applied to all equipment for controlling the two-phase flow pattern in industrial production, such as: a gas-liquid two-phase flow steam trap, a steam jet type heat pump and the like.

3. The refrigeration efficiency of the system is improved, and the bubble pump has wider development in the aspect of refrigeration technology.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a three-dimensional schematic view of a riser assembly;

FIG. 2 is a circular tube interface (three-dimensional view and two-dimensional part view);

FIG. 3 is a round tube assembly (three dimensional view);

FIG. 4 is a square tube interface (three-dimensional and two-dimensional part drawings);

FIG. 5 is a square tube assembly (three dimensional view);

FIG. 6 is a universal joint connector (three-dimensional and two-dimensional detail views);

FIG. 7 is a diagram of a stuffy plug (three-dimensional and two-dimensional detail views);

FIG. 8 is a disassembly specific tool (three-dimensional view);

wherein, 1, a handle; 2 inserting the salient point.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

As shown in fig. 1-8, the present invention provides a coordinated controllable bubble pump riser device, which includes a universal joint, an interface and a pipe assembly, wherein the universal joint is used for connecting with a bubble generator or a gas-liquid separator, the outer diameter of the interface connected with the universal joint is fixed, and the inner diameter is matched with the outer diameter of the pipe assembly; the outer sidewall of the tube assembly is mounted in the inner sidewall of the interface.

The pipe assembly is a round pipe or a square pipe, and the shape and the size of the inner diameter of the joint are matched with the outer diameter of the pipe assembly. The cylinder packing has been placed to the inside of interface, and the cylinder is filled and is constituteed by two hollow cylinder that establish each other that overlap, is formed with the clearance that thickness is 1mm between the two-layer cylinder, and this clearance intussuseption is filled with sealing material. The sealing material is a high-temperature resistant water-swelling water stop ring.

The toroidal surface of the interface is symmetrically provided with mounting holes which are used for being matched with the insertion salient points 2 of the dismounting tool for mounting. The disassembling tool comprises a handle 1 and a disassembling end which are integrally connected, the disassembling end is symmetrical in a U shape or a V shape, and the inserting salient points 2 are integrally arranged at the end parts of two forks of the disassembling end.

When the universal joint is not connected with the component, a stuffy plug is arranged in the universal joint.

Example one

The riser combined device is a set of device connected between the bubble generator and the gas-liquid separator. Fig. 2 illustrates an example of fitting one size of circular pipe (outer diameter 19mm), the outer diameter of the part is fixed, the inner diameter is determined by the outer diameter of the required circular pipe, the inner diameter is adjusted to fit circular pipes with different outer diameters, the part is internally composed of two cylinders with the outer diameter of 22mm, the height of 25mm, the outer diameter of 20mm and the height of 5mm, and a gap with the thickness of 1mm is formed between the two cylinders for filling sealing materials (such as a high-temperature resistant water-swelling water stop ring). The upper portion of part is punched, cooperates the specialized tool of design, easy to assemble and dismantlement. Different circular tube joints are matched with circular tubes with different tube diameters to form the circular tube assembly shown in figure 3. Similarly, the design principle and the implementation method of the square pipe joint are the same as those of the round pipe joint, and the parts are shown in fig. 4 and 5. The inner and outer diameters of fig. 6 are fixed, fig. 3 and 5 are connected with fig. 6 through thread fit, and the three are combined and then connected with the joint on fig. 7 to form the integral device of fig. 1. In practical application, different types and different quantities of pipes are connected according to actual requirements, and when the joint in the figure 6 is not connected with components, a blind plate can be formed by plugging the joint in the figure 8, so that the air tightness of the whole device is ensured.

When the pipe is replaced, the sealing material is taken out, the round pipe joint or the square pipe joint is loosened and detached by a special tool, then the round pipe or the square pipe is taken out, and a new pipe is installed according to the sequence opposite to the loosening and detaching step.

The coordinated controllable type bubble pump riser device is designed with a detachable, freely combined, multi-pipe number, multi-pipe type, multi-pipe diameter and multi-structure bubble pump riser device, different types of risers can be freely combined under different working conditions and variable parameters, the two-phase flow pattern in the riser is controlled to be kept at the highest lifting efficiency through the coordinated control of the riser device, and a bubble pump system is optimized, so that the utilization rate of a ship waste heat energy source is improved.

The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims

1. Coordinate controllable type bubble pump riser device, its characterized in that: the universal joint is used for being connected with a bubble generator or a gas-liquid separator, the outer diameter of the joint connected with the universal joint is fixed, and the inner diameter is matched with the outer diameter of the pipe assembly; the outer sidewall of the tube assembly is mounted in the inner sidewall of the interface.

2. The coordinated controllable bubble pump riser apparatus of claim 1, wherein: the pipe assembly is a round pipe or a square pipe, and the inner diameter of the interface is matched with the outer diameter of the pipe assembly in shape and size.

3. The coordinated controllable bubble pump riser apparatus of claim 1, wherein: the cylinder packing has been placed to the inside of interface, the cylinder packing comprises two hollow cylinder that establish each other cover, is formed with the clearance that thickness is 1mm between the two-layer cylinder, and this clearance intussuseption is filled with sealing material.

4. The coordinated controllable bubble pump riser apparatus of claim 3, wherein: the sealing material is a high-temperature resistant water-swelling water stop ring capable of expanding when meeting water.

5. The coordinated controllable bubble pump riser apparatus of claim 1, wherein: mounting holes are symmetrically formed in the annular surface of the interface and used for being matched with the insertion salient points of the disassembling tool to be installed.

6. The coordinated controllable bubble pump riser apparatus of claim 5, wherein: the disassembling tool comprises a handle and a disassembling end which are integrally connected, the disassembling end is symmetrical in U shape or V shape, and the inserting salient points are integrally arranged at the end parts of the two forks of the disassembling end.

7. The coordinated controllable bubble pump riser apparatus of claim 1, wherein: when the universal joint is not connected with a component, a stuffy plug is placed in the universal joint.