Novel lubricating oil experiment heater

Abstract

The utility model provides a novel lubricating oil experiment heater which comprises a support, heating boxes are fixedly installed in the support side by side, a heat exchange tube assembly is installed between the two heating boxes, the heat exchange tube assembly comprises two sets of liquid inlet tubes and liquid outlet tubes which are arranged in pairs, and an S-shaped bent tube is connected between each set of liquid inlet tube and liquid outlet tube through a flange. And the lower end of each liquid inlet pipe is in flange connection with a liquid inlet valve. Through the arrangement of the liquid inlet pipe, the liquid outlet pipe, the S-shaped bent pipe, the liquid inlet valve, the three-way pipe, the connecting valve and the connecting bent pipe, lubricating oil can be heated to two temperatures respectively, and subsequent experiments on the lubricating oil at different temperatures are facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of lubricating oil experiments, and in particular relates to a novel lubricating oil experiment heater. Background Art

[0002] At present, when lubricating oil is produced, it is usually necessary to use a heater to heat the lubricating oil so as to conduct lubricating oil experiments. The existing heaters for heating the lubricating oil include containers such as oil storage tanks or heating cylinders for holding the lubricating oil. Pipes for exchanging heat with the lubricating oil are installed in the containers. The lubricating oil is heated by the heating medium flowing in the pipes. However, this heating device can usually only heat the lubricating oil to a certain temperature, and it is time-consuming to heat up or cool down, which affects the efficiency of the experiment. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a novel lubricating oil experimental heater, which can heat the lubricating oil to two temperatures respectively, so as to facilitate subsequent experiments on lubricating oils at different temperatures.

[0004] The utility model is realized by the following technical solutions:

[0005] A novel lubricating oil experimental heater comprises a bracket, heating boxes are fixedly installed side by side inside the bracket, a heat exchange tube assembly is installed between the two heating boxes, the heat exchange tube assembly comprises two groups of liquid inlet pipes and liquid outlet pipes arranged in pairs, an S-shaped elbow is flange-connected between each group of liquid inlet pipes and liquid outlet pipes, the lower end of each liquid inlet pipe is flange-connected with a liquid inlet valve, a three-way pipe is installed at the bottom of each liquid outlet pipe, and the three ends of each three-way pipe are flange-connected with connecting valves, and a connecting elbow is installed between one of the three-way pipes and the liquid inlet valve installed at the bottom of the adjacent liquid inlet pipe.

[0006] Preferably, a temperature sensor is installed at the mounting pipe integrally arranged on the upper part of each heating box.

[0007] Preferably, an electric heater is installed on the upper portion of each heating box, and a heating tube of the electric heater extends into the interior of the heating box.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] In the utility model, the arrangement of the liquid inlet pipe, the liquid outlet pipe, the S-shaped elbow, the liquid inlet valve, the three-way pipe, the connecting valve and the connecting elbow is conducive to heating the lubricating oil to two temperatures respectively, which is convenient for subsequent experiments on lubricating oils at different temperatures.

[0010] In the utility model, the arrangement of the temperature sensor and the controller is conducive to detecting the heating temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] Figure 2 It is a structural schematic diagram of the heat exchange tube assembly of the utility model.

[0013] In the figure:

[0014] 1. Bracket; 2. Heating box; 21. Temperature sensor; 22. Electric heater; 3. Controller; 4. Heat exchange tube assembly; 41. Liquid inlet pipe; 42. Liquid outlet pipe; 43. S-shaped elbow; 44. Liquid inlet valve; 45. Tee pipe; 46. Connecting valve; 47. Connecting elbow. DETAILED DESCRIPTION

[0015] The utility model is described in detail below in conjunction with the accompanying drawings. As shown in Figure 1, a novel lubricating oil experimental heater comprises a bracket 1, heating boxes 2 are fixedly installed side by side inside the bracket 1, valves for injecting or discharging heating medium are installed at the connecting pipes integrally arranged on the upper and lower sides of the heating boxes 2, a temperature sensor 21 is installed at the mounting pipe integrally arranged on the upper part of each heating box 2, an electric heater 22 is installed on the upper part of each heating box 2, and the heating pipe of the electric heater 22 extends to the interior of the heating box 2, a controller 3 is installed at the front of the bracket 1, and a heat exchange tube assembly 4 is installed between the two heating boxes 2.

[0016] In this embodiment, combined with the Figure 2 As shown, the heat exchange tube assembly 4 comprises two groups of liquid inlet pipes 41 and liquid outlet pipes 42 arranged in pairs, each group of liquid inlet pipes 41 and liquid outlet pipes 42 are flange-connected with an S-shaped elbow 43, the lower end of each liquid inlet pipe 41 is flange-connected with a liquid inlet valve 44, and the lower part of each liquid outlet pipe 42 is installed with a three-way pipe 45, the liquid inlet valve 44 and the connecting valve 45 are electromagnetic valves, and the three ends of each three-way pipe 45 are flange-connected with a connecting valve 46, and a connecting elbow 47 is installed between one of the three-way pipes 45 and the liquid inlet valve 44 installed at the lower part of the adjacent liquid inlet pipe 41 The user sets the heating temperature of the left heating box 2 to a low temperature, and sets the heating temperature of the right heating box 2 to a high temperature. When low-temperature lubricating oil is needed, the connecting valve 46 connected to the connecting elbow 47 is closed, and the connecting valve 46 at the lower end of the left three-way pipe 46 is opened, so that the low-temperature lubricating oil is discharged for experiment. When high-temperature lubricating oil is needed, the user closes the connecting valve 46 at the lower end of the left three-way pipe 46, so that the two S-shaped elbows 43 are connected, and the lubricating oil is heated at a low temperature and then at a high temperature, so as to obtain high-temperature lubricating oil for testing.

[0017] In this embodiment, specifically, the temperature sensor 21 , the electric heater 22 , the liquid inlet valve 44 and the connecting valve 45 are all electrically connected to the controller 3 .

[0018] In this embodiment, specifically, two groups of liquid inlet pipes 41 and liquid outlet pipes 42 are respectively welded and arranged at the lower openings of the two heating boxes 2 .

[0019] How it works

[0020] In the utility model, the liquid inlet valve 44 arranged on the left side and the lubricating oil used for the external lubricating oil experiment are transported to the heat exchange tube assembly 4 through an external delivery pump, and the heating medium is poured into the heating box 2. The temperature sensor 21 is used to detect the temperature of the heating medium in the heating box 2. After the heating medium is heated by the electric heater 22, it exchanges heat with the lubricating oil through the S-shaped bend 43 to heat the lubricating oil.

[0021] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A new type of lubricating oil experimental heater, characterized in that: The novel lubricating oil experimental heater comprises a bracket (1), wherein heating boxes (2) are fixedly installed side by side inside the bracket (1), a heat exchange tube assembly (4) is installed between two heating boxes (2), and the heat exchange tube assembly (4) comprises two groups of liquid inlet pipes (41) and liquid outlet pipes (42) arranged in pairs, an S-shaped elbow (43) is flange-connected between each group of liquid inlet pipes (41) and liquid outlet pipes (42), the lower end of each liquid inlet pipe (41) is flange-connected with a liquid inlet valve (44), the lower part of each liquid outlet pipe (42) is installed with a three-way pipe (45), the three ends of each three-way pipe (45) are flange-connected with a connecting valve (46), and a connecting elbow (47) is installed between one of the three-way pipes (45) and the liquid inlet valve (44) installed at the lower part of the adjacent liquid inlet pipe (41).

2. The novel lubricating oil test heater as claimed in claim 1 is characterized in that: A temperature sensor (21) is installed at the installation pipe integrally arranged on the upper part of each heating box (2).

3. The novel lubricating oil test heater as claimed in claim 1 is characterized in that: An electric heater (22) is installed on the upper portion of each heating box (2), and a heating pipe of the electric heater (22) extends into the interior of the heating box (2).

4. The novel lubricating oil test heater as claimed in claim 1 is characterized in that: A controller (3) is installed on the front of the bracket (1).

5. The novel lubricating oil test heater as claimed in claim 1 is characterized in that: The two groups of liquid inlet pipes (41) and liquid outlet pipes (42) are respectively welded and arranged at the lower openings of the two heating boxes (2).

6. The novel lubricating oil test heater as claimed in claim 1 is characterized in that: Valves for injecting or discharging heating medium are installed at the connecting pipes integrally arranged on the upper and lower sides of the heating box (2).

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