CN219222049U

CN219222049U - Oil cooler series-parallel operation control device

Info

Publication number: CN219222049U
Application number: CN202320020747.8U
Authority: CN
Inventors: 黄寿强; 叶焱; 梁观斌; 刘元金; 徐斌
Original assignee: Fujian Air Separation Gas Co ltd
Current assignee: Fujian Air Separation Gas Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-06-20
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses an oil cooler serial-parallel operation control device in the technical field of oil cooler serial-parallel connection, which comprises an oil inlet pipe, wherein an oil outlet of the oil inlet pipe is connected with two oil delivery pipes, the upper part of the oil delivery pipe is sequentially connected with a first oil inlet valve, a first oil cooler and a first oil outlet valve, the lower part of the oil delivery pipe is sequentially connected with a second oil inlet valve, a second oil cooler and a second oil outlet valve, the oil outlets of the two oil delivery pipes are commonly connected with the oil delivery pipes, a serial pipe is communicated between the right end of the first oil inlet valve and the right end of the second oil cooler, the middle part of the serial pipe is connected with a serial valve, and when the oil path needs high oil temperature, two coolers are connected in parallel or singly operated, so that the oil temperature is reduced; when the oil temperature is required to be low, the two cooler oil ways are operated in series, and the temperature is doubled, so that the oil temperature can be cooled greatly, the oil ways can be switched according to the requirement, and the oil temperature is controlled in a series-parallel connection mode, thereby being beneficial to popularization of the utility model.

Description

Oil cooler series-parallel operation control device

Technical Field

The utility model relates to the technical field of oil cooler serial-parallel connection, in particular to an oil cooler serial-parallel operation control device.

Background

An air compressor is a device for compressing a gas. The air compressor is similar in construction to the water pump. Most air compressors are reciprocating piston, rotary vane or rotary screw. Centrifugal compressors are very large applications.

The existing unit air compressor oil coolers are in parallel operation, when the air temperature is high, the water temperature is high, the lubricating oil temperature requirement cannot be met, if a serial connection mode is changed, when the air temperature is low, the oil temperature cannot be kept at the optimal temperature due to overlong cooling oil paths, and the operation efficiency of the air compressor is affected.

Based on the above, the utility model designs an oil cooler series-parallel operation control device to solve the above problems.

Disclosure of Invention

The utility model aims to solve the problems that the oil coolers of the existing air compressors of the units are in parallel operation, when the air temperature is high, the water temperature is high, the requirements of the lubricating oil temperature cannot be met, and if the air temperature is low, the oil temperature cannot be kept at the optimal temperature due to overlong cooling oil paths, so that the operation efficiency of the air compressors is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the oil cooler serial-parallel operation control device comprises an oil inlet pipe, wherein oil outlets of the oil inlet pipe are connected with two oil delivery pipes, the upper part of the oil delivery pipe is sequentially connected with a first oil inlet valve, a first oil cooler and a first oil outlet valve, the lower part of the oil delivery pipe is sequentially connected with a second oil inlet valve, a second oil cooler and a second oil outlet valve, the two oil outlets of the oil delivery pipes are commonly connected with the oil delivery pipe, a serial pipe is communicated between the right end of the first oil inlet valve and the right end of the second oil cooler, and the middle part of the serial pipe is connected with the serial valve.

Preferably, the first oil cooler comprises a horizontal oil cooler, a water-cooling bent pipe and a shield, the water-cooling bent pipe is wound at the middle part of the horizontal oil cooler, a water inlet and a water outlet of the water-cooling bent pipe are arranged on the same side, the shield is arranged on the surface of the water-cooling bent pipe at the middle part of the horizontal oil cooler, water is continuously injected into an inner cavity of the water-cooling bent pipe for circulating cooling, the shell of the horizontal oil cooler is cooled in an auxiliary mode, and the overall cooling performance is improved.

Preferably, the water-cooling bent pipe is a metal pipe body with good heat conductivity, so that the surrounding heat is conveniently absorbed.

Preferably, the oil inlet pipe, the oil delivery pipe, the serial pipe and the oil outlet pipe are all high-temperature and high-pressure resistant pipe bodies, so that the damage of the high-temperature oil bodies to the pipe bodies is prevented.

Preferably, the first oil inlet valve, the series connection valve and the second oil outlet valve are electric high-pressure-resistant valves, and oil paths can be automatically switched under the condition of high oil pressure, so that the labor-consuming process of manual operation is omitted.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, when the oil circuit needs to have high oil temperature, the two coolers are connected in parallel or run singly, so that the oil temperature is reduced less; when the oil temperature is required to be low, the two cooler oil ways are operated in series, and the temperature is doubled, so that the oil temperature can be cooled greatly, the oil ways can be switched according to the requirement, and the oil temperature is controlled in a series-parallel connection mode, thereby being beneficial to popularization of the utility model.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of 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 utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view showing an external structure of a first oil cooler according to the present utility model;

fig. 3 is a schematic view showing an internal structure of a first oil cooler according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1-oil inlet pipe, 2-oil delivery pipe, 3-first oil inlet valve, 4-first oil cooler, 401-horizontal oil cooler, 402-water-cooled elbow pipe, 403-shield, 5-first oil outlet valve, 6-second oil inlet valve, 7-second oil cooler, 8-second oil outlet valve, 9-oil outlet pipe, 10-series pipe and 11-series valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the oil cooler serial-parallel operation control device comprises an oil inlet pipe 1, wherein two oil conveying pipes 2 are connected and arranged at oil outlets of the oil inlet pipe 1, a first oil inlet valve 3, a first oil cooler 4 and a first oil outlet valve 5 are sequentially connected with the upper oil conveying pipe 2, a second oil inlet valve 6, a second oil cooler 7 and a second oil outlet valve 8 are sequentially connected with the lower oil conveying pipe 2, oil outlets of the two oil conveying pipes 2 are commonly connected with an oil outlet pipe 9, a serial pipe 10 is communicated between the right end of the first oil inlet valve 3 and the right end of the second oil cooler 7, and a serial valve 11 is connected with the middle part of the serial pipe 10.

The first oil cooler 4 comprises a horizontal oil cooler 401, a water-cooling bent pipe 402 and a shield 403, the water-cooling bent pipe 402 is wound at the middle part of the horizontal oil cooler 401, a water inlet and a water outlet of the water-cooling bent pipe 402 are arranged on the same side, and the shield 403 is arranged on the surface of the water-cooling bent pipe 402 at the middle part of the horizontal oil cooler 401. Next, the water-cooled elbow 402 is a metal pipe body having excellent heat conductivity. Furthermore, the oil inlet pipe 1, the oil delivery pipe 2, the serial pipe 10 and the oil outlet pipe 9 are all high-temperature and high-pressure resistant pipe bodies. Finally, the first oil inlet valve 3, the series valve 11 and the second oil outlet valve 8 are electric high-pressure resistant valves.

One specific application of this embodiment is: when the air temperature is higher, the first oil inlet valve 3, the series valve 11 and the first oil outlet valve 5 are opened, and the rest valves are closed, so that the first oil cooler 4 and the second oil cooler 7 perform series operation, and the oil is cooled greatly; when the air temperature is low, the first oil inlet valve 3, the first oil outlet valve 5, the second oil inlet valve 6 and the second oil outlet valve 8 are opened, and the rest valves are closed, so that the first oil cooler 4 and the second oil cooler 7 perform parallel operation, the oil temperature is properly kept at a better temperature, and the operation efficiency of the air compressor is kept.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The oil cooler series-parallel operation control device comprises an oil inlet pipe (1), and is characterized in that: the oil outlet of oil inlet pipe (1) is connected and is provided with two oil delivery pipes (2), upper portion oil delivery pipe (2) have connected gradually first oil inlet valve (3), first oil cooler (4) and first delivery valve (5), and the lower part oil delivery pipe (2) have connected gradually second oil inlet valve (6), second oil cooler (7) and second delivery valve (8), two oil-out of oil delivery pipe (2) is connected with oil outlet pipe (9) jointly, the intercommunication is provided with series connection pipe (10) between the right-hand member of first oil inlet valve (3) and the right-hand member of second oil cooler (7), the middle part of series connection pipe (10) is connected with series connection valve (11).

2. The oil cooler series-parallel operation control device according to claim 1, wherein: the first oil cooler (4) comprises a horizontal oil cooler (401), a water-cooling bent pipe (402) and a protective cover (403), wherein the water-cooling bent pipe (402) is wound at the middle part of the horizontal oil cooler (401), a water inlet and a water outlet of the water-cooling bent pipe (402) are arranged on the same side, and the protective cover (403) is arranged on the surface of the water-cooling bent pipe (402) at the middle part of the horizontal oil cooler (401).

3. The oil cooler series-parallel operation control device according to claim 2, characterized in that: the water-cooling bent pipe (402) is a metal pipe body with good heat conductivity.

4. The oil cooler series-parallel operation control device according to claim 1, wherein: the oil inlet pipe (1), the oil delivery pipe (2), the series pipe (10) and the oil outlet pipe (9) are all high-temperature and high-pressure resistant pipe bodies.

5. The oil cooler series-parallel operation control device according to claim 1, wherein: the first oil inlet valve (3), the series valve (11) and the second oil outlet valve (8) are electric high-pressure-resistant valves.