CN220647894U

CN220647894U - Buffer device

Info

Publication number: CN220647894U
Application number: CN202322340744.5U
Authority: CN
Inventors: 黄辉其; 孙海辉; 李沛; 甘欢华; 汤雪平; 曾胜波
Original assignee: Yichun Dahaigui Life Science Co ltd
Current assignee: Yichun Dahaigui Life Science Co ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-03-22
Anticipated expiration: 2033-08-30

Abstract

The utility model provides a buffer device which comprises an expansion tank, a buffer tank connected with the expansion tank and a gas-liquid separator connected with the buffer tank, wherein a first expansion pipe and a second expansion pipe are connected to the buffer tank, the joint position of the first expansion pipe and the buffer tank is higher than the joint position of the second expansion pipe and the buffer tank, the buffer tank is connected with the top of the gas-liquid separator through the first expansion pipe, the buffer tank is connected with the bottom of the expansion tank through the second expansion pipe, and flat iron for heat dissipation is fixedly connected to the outer wall of the buffer tank. According to the utility model, the buffer tank is arranged between the expansion tank and the gas-liquid separator, the buffer tank is connected with the gas-liquid separator through the first expansion pipe at a high position, and is connected with the expansion tank through the second expansion pipe at a low position, so that the convection flow form in the heat conduction oil system is damaged, and the temperature of the expansion tank can be effectively reduced.

Description

Buffer device

Technical Field

The utility model belongs to the technical field of heat conduction oil systems, and particularly relates to a buffer device.

Background

Compared with the traditional heating system, the heat conduction oil system takes heat conduction oil as a heat carrier, has the advantages of uniform heating, accurate temperature control, high heat transfer efficiency and the like, and is increasingly used in industries requiring heating processes such as plastic processing, pharmaceutical chemical industry and the like.

The heat conducting oil system mainly comprises a boiler, a circulating pump, a heat utilization unit, an expansion tank, a low-level tank, a filter and other parts, wherein the circulating pump is used for forcing heat conducting oil to perform liquid-phase circulation, heat is transferred to the heat utilization unit, then the heat is returned to the boiler for heating through the circulating pump, and continuous heat transfer is realized through pipeline circulation, so that the object heating purpose is achieved.

In the existing heat conduction oil system, the bottom of an expansion tank is directly connected with the top of a gas-liquid separator through an expansion pipe, and a pipeline with the same inner diameter is generally adopted as the expansion pipe, so that heat conduction oil can be cracked to generate light component gas in the actual operation process for a long time in high temperature, and the high temperature gas is discharged from the gas-liquid separator to the inside of the expansion tank through the expansion pipe, so that heat conduction oil in the expansion tank and heat conduction oil in the system form convection to cause continuous high temperature of the heat conduction oil in the expansion tank, further the cracking and carbonization of the heat conduction oil are aggravated, the circulation system and the heat conduction oil boiler pipeline are seriously blocked, and the potential safety hazard of a boiler is increased.

Disclosure of Invention

Based on the above, the utility model aims to provide a buffer device, which aims to solve the technical problem that the cracking and carbonization of heat conduction oil are aggravated by continuous high temperature of the heat conduction oil in an expansion tank in the existing heat conduction oil system.

The utility model aims to provide a buffer device which comprises an expansion tank, a buffer tank connected with the expansion tank and a gas-liquid separator connected with the buffer tank, wherein a first expansion pipe and a second expansion pipe are connected to the buffer tank, the interface position of the first expansion pipe and the buffer tank is higher than the interface position of the second expansion pipe and the buffer tank, the buffer tank is connected with the top of the gas-liquid separator through the first expansion pipe, the buffer tank is connected with the bottom of the expansion tank through the second expansion pipe, and flat iron for heat dissipation is fixedly connected to the outer wall of the buffer tank.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has simple structure, low construction difficulty and convenient use, and can effectively reduce the temperature of the expansion tank. Specifically, a buffer tank is arranged between the expansion tank and the gas-liquid separator, the buffer tank is connected with the gas-liquid separator through a first expansion pipe at a high position and is connected with the expansion tank through a second expansion pipe at a low position, so that a U-shaped pipe-like connecting device is additionally arranged between the expansion tank and the gas-liquid separator, the flowing form of convection in a heat conduction oil system is damaged, and the influence of convection heat transfer on the oil temperature in the expansion tank is reduced. Meanwhile, add the band iron at the buffer tank outer wall, increase the heat radiating area of buffer tank outer wall, improve the buffer tank and reduce the effect of conduction oil temperature, reduce expansion tank temperature to the maximum extent, reduce the influence to expansion tank interior fluid.

Optionally, the buffer tank includes straight barrel, with the first head of being connected on the top of straight barrel, and with the second head of being connected on the bottom of straight barrel, be close to on the barrel wall of first head on the straight barrel be equipped with first side opening, first side opening is used for connecting first expansion pipe, be close to on the barrel wall of second head on the straight barrel be equipped with the second side opening, the second side opening is used for connecting the second expansion pipe.

Optionally, the flat iron is fixedly connected to the outer wall of the straight barrel at a certain distance in the longitudinal axis direction, and the total length of the flat iron is smaller than or equal to the height of the straight barrel.

Optionally, the flat iron is fixedly connected to the outer wall of the straight barrel at intervals in the transverse axis direction, and the total length of the flat iron is smaller than or equal to the circumference of the cross section of the straight barrel.

Optionally, the inner diameter of the straight barrel is larger than the inner diameters of the first expansion pipe and the second expansion pipe.

Optionally, an exhaust port is formed in the first seal head, an exhaust pipe is connected to the exhaust port, and the buffer tank is connected to the top of the expansion tank through the exhaust pipe.

Optionally, a drain outlet is arranged on the second sealing head, and a drain pipe is connected to the drain outlet.

Optionally, the gas-liquid separator is provided with a first interface connected with the first expansion pipe, a second interface connected with the oil return pipe and a third interface connected with the front pump pipe, wherein the first interface is positioned at the top of the gas-liquid separator.

Drawings

FIG. 1 is a schematic view of the structural connection of a cushioning device of the present utility model;

fig. 2 is a schematic structural view of a surge tank in embodiment 1 of a surge device of the present utility model.

Wherein the above figures include the following reference numerals: 1-an expansion tank; 2-a buffer tank; 21-a straight barrel; 211-a first side opening; 212-a second side opening; 22-a first end socket; 221-exhaust port; 23-a second seal head; 231-a sewage outlet; 24-flat iron; 3-a gas-liquid separator; 4-a first expansion vessel; 5-a second expansion vessel; 6, an exhaust pipe; 7-a blow-down pipe; 8-a return pipe; 9-pump foreline.

The following detailed description will be further described with reference to the above-described drawings.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Example 1

As shown in fig. 1, the buffer device provided by the utility model comprises an expansion tank 1, a buffer tank 2 connected with the expansion tank 1, and a gas-liquid separator 3 connected with the buffer tank 2, wherein a first expansion pipe 4 and a second expansion pipe 5 are connected to the buffer tank 2, in this embodiment, the buffer tank 2 is connected with the top of the gas-liquid separator 3 through the first expansion pipe 4, and the buffer tank 2 is connected with the bottom of the expansion tank 1 through the second expansion pipe 5.

Specifically, the buffer tank 2 includes a straight barrel 21, a first end enclosure 22 connected to the top end of the straight barrel 21, and a second end enclosure 23 connected to the bottom end of the straight barrel 21, a first side opening 211 is provided on the barrel wall of the straight barrel 21 near the first end enclosure 22, the first side opening 211 is used for connecting the first expansion pipe 4, a second side opening 212 is provided on the barrel wall of the straight barrel 21 near the second end enclosure 23, the second side opening 212 is used for connecting the second expansion pipe 5, in other words, the connection interface position of the first expansion pipe 4 and the buffer tank 2 is higher than the connection interface position of the second expansion pipe 5 and the buffer tank 2, a structure similar to a U-shaped pipe is formed between the first expansion pipe 4, the second expansion pipe 5 and the buffer tank 2, meanwhile, the inner diameter of the straight barrel 21 is larger than the inner diameters of the first expansion pipe 4 and the second expansion pipe 5, that is, the pipe diameter and flow direction in the convection process are changed to the greatest extent, natural convection of oil in the expansion pipe is further destroyed, and the influence of convection heat transfer in the system is reduced.

In order to improve the heat radiation effect of the buffer tank 2 on the heat conduction oil, the flat iron 24 for heat radiation is fixedly connected to the outer wall of the buffer tank 2. In this embodiment, a plurality of flat irons 24 are fixedly connected to the outer wall of the barrel body of the straight barrel 21 of the buffer tank 2 at a certain distance along the longitudinal axis direction, and the total length of the flat irons 24 is smaller than or equal to the height of the straight barrel 21, so that the outer wall of the buffer tank 2 has a larger heat dissipation area, the oil temperature of heat conduction oil is reduced to the greatest extent, and the influence on the oil temperature of the oil in the expansion tank 1 is reduced. In one embodiment, the diameter of the buffer tank 2 is 85cm, the total height is 180cm, wherein the height of the straight barrel 21 is 150cm, the first side opening 211 is formed on the barrel wall 25cm away from the top end of the straight barrel 21, the second side opening 212 is formed on the barrel wall 25cm away from the bottom end of the straight barrel 21, and flat irons 24 with the length of 150cm and the width of 2cm are welded on the longitudinal axis direction of the outer wall of the barrel body of the straight barrel 21 at intervals of 10 cm.

Further, the buffer tank 2 of the present utility model is provided with an exhaust port 221 on the first seal head 22, the exhaust port 221 is connected to an exhaust pipe 6, and the buffer tank 2 is connected to the top of the expansion tank 1 through the exhaust pipe 6. And the second sealing head 23 is provided with a drain outlet 231, and the drain outlet 231 is connected with a drain pipe 7. The gas-liquid separator 3 is provided with a first interface (not shown) connected with the first expansion pipe 4, a second interface (not shown) connected with the oil return pipe 8 and a third interface (not shown) connected with the pump front pipe 9, wherein the first interface is positioned at the top of the gas-liquid separator 3. In some embodiments, the buffer device of the present utility model further comprises an auxiliary exhaust pipe (not shown) disposed at the top of the expansion tank 2, which is used for rapidly exhausting the light fraction gas in the system, so as to achieve the purpose of reducing the temperature of the heat transfer oil in the expansion tank.

In the actual use process of the buffer device, the heat conduction oil in the heat conduction oil system is supplemented by entering the gas-liquid separator 3 through the buffer tank 2 and the first expansion pipe 4, then entering the system, and in the operation process of the system, the gas generated in the system enters the top of the expansion tank 2 from the exhaust pipe 6 connected with the first end socket 22 in the buffer tank 2, and does not enter the expansion tank 2 from the top of the gas-liquid separator 3 directly through the bottom of the expansion tank 2 by the expansion pipe, thereby avoiding convection between the heat conduction oil in the expansion tank and the heat conduction oil in the system, and realizing the purpose of reducing the temperature of the oil temperature of the expansion tank.

Example 2

A cushioning device having a structure similar to that of the cushioning device of embodiment 1, except that: and flat irons are fixedly connected to the outer wall of the straight barrel of the buffer tank at intervals in the transverse axis direction, and the total length of the flat irons is smaller than or equal to the circumference of the cross section of the straight barrel.

In conclusion, the expansion tank has the advantages of simple structure, low construction difficulty and convenience in use, and can effectively reduce the temperature in the expansion tank. Specifically, through setting up the buffer tank between expansion tank and vapour and liquid separator, and connect vapour and liquid separator through the first expansion pipe that is in the high position on the buffer tank, and connect the expansion tank through the second expansion pipe that is in the low position, from this add a U type pipe's connecting device between expansion tank and vapour and liquid separator, changed the flow direction of convection current in the conduction oil system, and the internal diameter of straight barrel in the buffer tank is designed to be greater than the size of first expansion pipe and second expansion pipe, has changed the flow pipe diameter of convection current in the conduction oil system, in other words, destroyed the natural convection current of expansion intraductal fluid, reached the purpose that reduces the influence that convection current heat transfer produced the oil temperature in the expansion tank. Meanwhile, add the band iron at the buffer tank outer wall, increase the heat radiating area of buffer tank outer wall, improve the buffer tank and reduce the effect of conduction oil temperature, reduce expansion tank temperature to the maximum extent, reduce the influence to expansion tank interior fluid.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a buffer, its characterized in that, buffer include the expansion tank, with the buffer tank that the expansion tank is connected, and with the gas-liquid separator that the buffer tank is connected, be connected with first expansion pipe and second expansion pipe on the buffer tank, first expansion pipe with the interface position of buffer tank is higher than the interface position of second expansion pipe with the buffer tank, the buffer tank passes through first expansion pipe with the top of gas-liquid separator is connected, the buffer tank passes through the second expansion pipe with the bottom of expansion tank is connected, fixedly connected with is used for radiating band iron on the outer wall of buffer tank.

2. The buffer device according to claim 1, wherein the buffer tank comprises a straight barrel, a first sealing head connected with the top end of the straight barrel, and a second sealing head connected with the bottom end of the straight barrel, a first side opening is formed in a barrel wall, close to the first sealing head, of the straight barrel, the first side opening is used for being connected with the first expansion pipe, a second side opening is formed in a barrel wall, close to the second sealing head, of the straight barrel, and the second side opening is used for being connected with the second expansion pipe.

3. The buffering device according to claim 2, wherein the flat irons are fixedly connected to the outer wall of the straight barrel at a certain distance in the longitudinal axis direction, and the total length of the flat irons is smaller than or equal to the height of the straight barrel.

4. The buffering device according to claim 2, wherein the flat iron is fixedly connected to the outer wall of the straight barrel at a certain distance in the transverse axis direction, and the total length of the flat iron is smaller than or equal to the circumference of the cross section of the straight barrel.

5. The cushioning device of claim 2, wherein an inner diameter of said straight barrel is greater than an inner diameter of said first expansion tube and said second expansion tube.

6. The buffer device according to claim 2, wherein an exhaust port is formed in the first sealing head, an exhaust pipe is connected to the exhaust port, and the buffer tank is connected to the top of the expansion tank through the exhaust pipe.

7. The buffer device according to claim 2, wherein a drain outlet is arranged on the second sealing head, and a drain pipe is connected to the drain outlet.

8. The buffer device according to claim 1, wherein the gas-liquid separator is provided with a first interface connected with the first expansion pipe, a second interface connected with the oil return pipe, and a third interface connected with the pump front pipe, wherein the first interface is positioned at the top of the gas-liquid separator.