CN210688753U

CN210688753U - Heat conduction oil expansion tank

Info

Publication number: CN210688753U
Application number: CN201921155211.7U
Authority: CN
Inventors: 杨文斌
Original assignee: Yang Zhengjiu Technology Shanghai Co Ltd
Current assignee: Yang Zhengjiu Technology Shanghai Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-06-05
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a conduction oil expansion tank, including oil and gas separator, expansion tank body and oil storage tank, first three-way pipe and second three-way pipe are installed respectively to oil and gas separator's inlet and liquid outlet, the both ends of first three-way pipe are linked together with feed liquor pipe and first pipeline respectively, the one end intercommunication of first pipeline has the expansion tank body, the bottom of expansion tank body is linked together with the oil storage tank through the second pipeline, the top of oil storage tank is passed through the overflow pipe and is linked together with the expansion tank body. Through installing first three-way pipe and second three-way pipe respectively at oil and gas separator's inlet and liquid outlet, be linked together the expansion tank body through first three-way pipe and first pipeline with oil and gas separator, the expanding gas that produces in the expansion tank body separates the discharge once more from first pipeline inflow in the big oil and gas separator, is favorable to the pressure in the balanced expansion tank body, reduces the pressure of breather valve simultaneously, improves the life of breather valve.

Description

Heat conduction oil expansion tank

Technical Field

The utility model relates to an expansion tank technical field specifically is a conduction oil expansion tank.

Background

In a liquid phase heat transfer oil heating system, the design and the use of an expansion tank are important parameters for the successful operation of the whole system, the correct design, installation and maintenance of the expansion tank are favorable for prolonging the service life of the heat transfer oil, a heater, a hot oil pump and other equipment parts are also indirectly protected, and the correct design and installation of the high-level expansion tank can solve many problems in the long-period operation of a heat transfer system. The expansion tank is usually arranged at the highest point of the system, so that the system also has other important functions such as the evacuation of light components in newly filled products and low-boiling-point substances generated in operation, supplementary evaporation and operation loss, nitrogen sealing and the like besides the heat expansion amount of the heat conduction liquid.

Traditional inflation groove top is provided with the breather valve for the internal and external pressure of balancing tank and prevent to guarantee that the oil body contacts with outside air for a long time, prevent that the oil body is rotten, but the breather valve mostly adopts the metal material to make, outside and air contact, inside and oil gas contact, the easy emergence of long time blocks up and corrode and influence normal work, thereby influence the internal and external pressure stability of inflation groove, have the potential safety hazard. For this purpose, we propose a thermal oil expansion tank.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a conduction oil expansion tank, install first three-way pipe and second three-way pipe respectively through inlet and liquid outlet at oil and gas separator, be linked together the expansion tank body through first three-way pipe and first pipeline and oil and gas separator, the expanding gas that produces in the expansion tank body separates the discharge once more from first pipeline inflow in the big oil and gas separator, is favorable to the pressure in the balanced expansion tank body, reduces the pressure of breather valve simultaneously to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a conduction oil expansion tank, includes oil and gas separator, expansion tank body and oil storage tank, first three-way pipe and second three-way pipe are installed respectively to oil and gas separator's inlet and liquid outlet, the both ends of first three-way pipe are linked together with feed liquor pipe and first pipeline respectively, the one end intercommunication of first pipeline has the expansion tank body, the bottom of expansion tank body is linked together with the oil storage tank through the second pipeline, the top of oil storage tank is linked together through overflow pipe and expansion tank body, breather valve and liquid seal are installed at the top of expansion tank body, the one end of second three-way pipe is linked together with the expansion tank body through the second pipeline, the other end intercommunication of second three-way pipe has the outlet duct.

Preferably, a check valve is installed on the first pipe.

Preferably, the bottom of the expansion tank body is communicated with a sewage discharge pipe, and a valve is installed on the sewage discharge pipe.

Preferably, a high-temperature sight valve is arranged on the overflow pipe.

Preferably, a liquid level meter is mounted on the side wall of the oil storage tank.

Preferably, a liquid level alarm is installed inside the expansion tank body.

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

1. the expansion tank body is communicated with the oil-gas separator through the first three-way pipe and the first pipeline, and the expansion gas generated in the expansion tank body flows into the large oil-gas separator from the first pipeline to be separated and discharged again, so that the pressure in the expansion tank body is favorably balanced, the pressure of the breather valve is reduced, and the service life of the breather valve is prolonged;

2. the utility model discloses set up the breather valve on the expansion tank body for adjust the inside and outside pressure balance of expansion tank, still be provided with the liquid seal in expansion tank body top simultaneously, when the breather valve of expansion tank body top uses for a long time and rusts or the card shell appears, the liquid seal participates in the inside and outside pressure balance of regulation expansion tank and the inslot oil body separates with the external world.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a circuit block diagram of the present invention;

fig. 3 is a schematic circuit diagram of the single chip microcomputer.

In the figure: 1 gas-oil separator, 2 expansion tank bodies, 3 oil storage tanks, 4 first pipelines, 5 second pipelines, 6 check valves, 7 breather valves, 8 overflow pipes, 9 liquid level alarms, 10 liquid seals, 11 first three-way pipes, 12 second three-way pipes, 13 gas outlet pipes, 14 blow-off pipes, 15 valves, 16 high-temperature sight hole valves and 17 liquid level meters.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a heat conduction oil expansion tank comprises an oil-gas separator 1, an expansion tank body 2 and an oil storage tank 3, wherein a first three-way pipe 11 and a second three-way pipe 12 are respectively installed at a liquid inlet and a liquid outlet of the oil-gas separator 1, two ends of the first three-way pipe 11 are respectively communicated with a liquid inlet pipe and a first pipeline 4, one end of the first pipeline 4 is communicated with the expansion tank body 2, the bottom of the expansion tank body 2 is communicated with the oil storage tank 3 through a second pipeline 5, the top of the oil storage tank 3 is communicated with the expansion tank body 2 through an overflow pipe 8, a breather valve 7 and a liquid seal 10 are installed at the top of the expansion tank body 2, one end of the second three-way pipe 12 is communicated with the expansion tank body 2 through a second pipeline 5, and the other end of the second three-way pipe 12 is communicated with an air outlet pipe 13.

As shown in fig. 2-3, the model of the single chip microcomputer is AT89C51, the electromagnetic electric pump 13 is controlled by the AT89C51 single chip microcomputer and is connected with the electric signal of the liquid level sensor through the conversion of the a/D, the AT89C51 single chip microcomputer is programmed with a BP neural network algorithm, the data fusion technology is a new technology developed in recent years, the neural network is used as a data fusion method and is applied to various fields, the neural network has the properties of induction, summarization, extraction, memory, association and fault tolerance, the aim of processing information is achieved by adjusting the interconnection relationship among a large number of internal nodes according to the complexity of the system, in the application process, relevant knowledge and information are obtained through training, the measured data are compared with the information, and data fusion and edge calculation are carried out.

The liquid level sensor is a component for measuring the height of liquid, most of the liquid level sensors are pressure sensors, liquid pressure is converted into an electric signal through a pressure-sensitive sensing element, and the electric signal is compensated and corrected to be converted into a measurable electric signal (generally 4-20 mA/0-5 VDC). Liquid level sensors fall into two broad categories, contact and non-contact. The contact type liquid level sensor measures liquid level by using the principle of fluid statics, and can measure the liquid level of various media. The novel adjustable pressure gauge is exquisite in structure, simple in adjustment and calibration, flexible in installation and very convenient for users to use. The electric signal which can be output has standard signals of 4-20 mA, 0-5V, 0-10 mA and the like, and the electric signal can be selected by a user in various forms. By using a special sealing technology, the safety of the sensor can be ensured, and the accuracy and the stability of measurement can be ensured.

The utility model discloses choose for use and choose 3151 intelligent pressure transmitter, 3151 differential pressure transmitter is used for measuring liquid, gaseous, the liquid level, the density and the pressure of steam, converts pressure signal to the current signal output of 4 ~ 20mA DC, accords with the input current of singlechip. It can also communicate with a computer through which settings, monitoring, etc. are made. The high-temperature-resistant and corrosion-resistant isolating membrane material can be selected according to the field requirement. When the liquid level sensing is applied, the pressure values corresponding to different liquids are different.

Specifically, the first pipe 4 is provided with a check valve 6. The check valve 6 prevents oil and gas from flowing backward into the first pipe 4.

Specifically, the bottom of the expansion tank body 2 is communicated with a sewage discharge pipe 14, and a valve 15 is arranged on the sewage discharge pipe 14. The waste pipe 14 facilitates the discharge of contaminants from the expansion tank body 2.

Specifically, a high-temperature visual hole valve 16 is arranged on the overflow pipe 8. The high temperature sight valve 16 facilitates viewing of the conditions inside the overflow tube 8.

Specifically, a liquid level meter 17 is mounted on the side wall of the oil storage tank 3. The level gauge 17 facilitates observation of the liquid level inside the oil reservoir 3.

Specifically, a liquid level alarm 9 is arranged inside the expansion tank body 2. This liquid level alarm 9 is convenient for monitor the inside liquid level of expansion tank body 2.

The working principle is as follows: when in use, hot oil is introduced into the oil-gas separator 1 through the liquid inlet pipe, the oil-gas separator 1 separates oil gas in the hot oil, the separated oil enters the expansion tank body 2, the separated gas is discharged from the gas outlet pipe 13, the oil in the expansion tank body 2 flows into the oil storage tank 3 for storage, the expanded gas generated in the expansion tank body 2 flows into the large oil-gas separator 1 from the first pipeline 4 for separation and discharge again, the pressure in the expansion tank body 2 is favorably balanced, meanwhile, the pressure of the breather valve 7 is reduced, the service life of the breather valve 7 is prolonged, the breather valve 7 is used for adjusting the pressure balance inside and outside the expansion tank body 2, meanwhile, the liquid seal 10 is still arranged above the expansion tank body 2, when the breather valve 7 above the expansion tank body 2 is rusted or stuck after being used for a long time, the liquid seal 10 is involved in regulating the pressure balance inside and outside the expansion tank and isolating the oil body inside the tank from the outside.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a conduction oil expansion tank, includes oil and gas separator (1), expansion tank body (2) and oil storage tank (3), its characterized in that: the oil-gas separator is characterized in that a first three-way pipe (11) and a second three-way pipe (12) are respectively installed at a liquid inlet and a liquid outlet of the oil-gas separator (1), two ends of the first three-way pipe (11) are respectively communicated with the liquid inlet pipe and a first pipeline (4), one end of the first pipeline (4) is communicated with an expansion tank body (2), the bottom of the expansion tank body (2) is communicated with an oil storage tank (3) through a second pipeline (5), the top of the oil storage tank (3) is communicated with the expansion tank body (2) through an overflow pipe (8), a breather valve (7) and a liquid seal (10) are installed at the top of the expansion tank body (2), one end of the second three-way pipe (12) is communicated with the expansion tank body (2) through the second pipeline (5), and the other end of the second three-way pipe (12) is communicated with an air outlet pipe (13).

2. A thermal oil expansion tank according to claim 1, characterized in that: and a check valve (6) is arranged on the first pipeline (4).

3. A thermal oil expansion tank according to claim 1, characterized in that: the bottom of the expansion tank body (2) is communicated with a sewage discharge pipe (14), and a valve (15) is installed on the sewage discharge pipe (14).

4. A thermal oil expansion tank according to claim 1, characterized in that: and a high-temperature sight valve (16) is arranged on the overflow pipe (8).

5. A thermal oil expansion tank according to claim 1, characterized in that: and a liquid level meter (17) is arranged on the side wall of the oil storage tank (3).

6. A thermal oil expansion tank according to claim 1, characterized in that: and a liquid level alarm (9) is arranged inside the expansion tank body (2).