Combined heat exchanger

Abstract

A combined heat exchanger relates to the technical field of heat exchanger devices and comprises a plate radiator, one side of the plate radiator is respectively provided with a second oil gas inlet, a second oil gas outlet, a second refrigerant inlet and a second refrigerant outlet, and a tubular radiator is arranged on the plate radiator. A first oil-gas inlet, a first refrigerant inlet, a first oil-gas outlet and a first refrigerant outlet are formed in the two ends of the tubular radiator respectively, the first oil-gas outlet is connected with the second oil-gas inlet through a first connecting pipe, and the first refrigerant outlet is connected with the second refrigerant inlet through a second connecting pipe. The first connecting pipe and the second connecting pipe are used for connecting the tubular radiator and the plate type radiator in an up-and-down structure mode, the device can achieve twice cooling, the problem that the heat exchange effect is poor is solved, and meanwhile occupied transverse space is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchanger devices, in particular to a combined heat exchanger. Background Art

[0002] Oil and gas recovery refers to the collection of volatile gasoline vapors during the process of loading and unloading gasoline and refueling vehicles, and the use of one or both of the following methods, such as absorption, adsorption or condensation, to reduce oil and gas pollution or convert the oil and gas from gas to liquid and then back into gasoline, so as to achieve the purpose of recycling.

[0003] The heat exchanger is one of the most commonly used components of oil and gas recovery equipment. Most terminals have insufficient space to install oil and gas recovery equipment, so the heat exchanger is small in size and the heat exchange effect is poor, affecting normal use. Utility Model Content

[0004] The utility model provides a combined heat exchanger.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A combined heat exchanger includes a plate radiator, one side of the plate radiator is respectively provided with a second oil and gas inlet, a second oil and gas outlet, a second refrigerant inlet and a second refrigerant outlet, a shell and tube radiator is arranged on the plate radiator, and both ends of the shell and tube radiator are respectively provided with a first oil and gas inlet, a first refrigerant inlet, a first oil and gas outlet and a first refrigerant outlet, the first oil and gas outlet is connected to the second oil and gas inlet through a second connecting pipe, and the first refrigerant outlet is connected to the second refrigerant inlet through the first connecting pipe.

[0007] A further preferred solution of the utility model is that the second oil and gas inlet is at the same height as the second refrigerant inlet, and the second oil and gas outlet is at the same height as the second refrigerant outlet.

[0008] A further preferred solution of the utility model is that the tube-in-tube radiator is located directly above the second refrigerant inlet.

[0009] A further preferred solution of the present invention is that the first connecting pipe is bent 90° in a clockwise direction, and the lengths of both sides of the bending part are equal.

[0010] A further preferred solution of the present invention is that the second connecting tube is bent twice in a clockwise direction with a bending angle of 90°, and the length increases successively along the bending direction.

[0011] A further preferred solution of the present invention is that a support plate is provided at one end of the lower surface of the tube-and-tube radiator, and the tube-and-tube radiator is fixedly connected to one side of the plate radiator via the support plate.

[0012] A further preferred solution of the utility model is that a support leg is fixedly installed on one side of the plate type radiator, and base feet are installed on the bottom of the plate type radiator and the support leg.

[0013] The utility model has the following benefits:

[0014] The utility model connects the upper and lower structures of the tube-in-tube radiator and the plate radiator through the first connecting pipe and the second connecting pipe, and the device can achieve double cooling, solves the problem of poor heat exchange effect, and reduces the occupation of horizontal space. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 It is a side view structural schematic diagram of the utility model;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the utility model;

[0018] In the figure: 1 plate radiator, 2 tube radiator, 3 first refrigerant inlet, 4 first oil and gas inlet, 5 first oil and gas outlet, 6 first refrigerant outlet, 7 first connecting pipe, 8 second connecting pipe, 9 supporting plate, 10 supporting leg, 11 base, 12 second refrigerant inlet, 13 second oil and gas inlet, 14 second oil and gas outlet, 15 second refrigerant outlet. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] according to Figure 1-3 As shown, a combined heat exchanger includes a plate radiator 1, one side of the plate radiator 1 is respectively provided with a second oil and gas inlet 13, a second oil and gas outlet 14, a second refrigerant inlet 12 and a second refrigerant outlet 15, a shell and tube radiator 2 is arranged on the plate radiator 1, and both ends of the shell and tube radiator 2 are respectively provided with a first oil and gas inlet 4, a first refrigerant inlet 3, a first oil and gas outlet 5 and a first refrigerant outlet 6, the first oil and gas outlet 5 is connected to the second oil and gas inlet 13 through a second connecting pipe 8, and the first refrigerant outlet 6 is connected to the second refrigerant inlet 12 through a first connecting pipe 7.

[0021] The second oil and gas inlet 13 is aligned with the second refrigerant inlet 12 in height, and the second oil and gas outlet 14 is aligned with the second refrigerant outlet 15 in height.

[0022] The tube-in-tube radiator 2 is located directly above the second refrigerant inlet 12 .

[0023] The first connecting tube 7 is bent 90° in the clockwise direction, and the lengths of both sides of the bending part are equal.

[0024] The second connecting tube 8 is bent twice in a clockwise direction with a bending angle of 90°, and its length increases successively along the bending direction.

[0025] A support plate 9 is provided at one end of the lower surface of the tube-and-tube radiator 2 , and the tube-and-tube radiator 2 is fixedly connected to one side of the plate radiator 1 via the support plate 9 .

[0026] A support leg 10 is fixedly mounted on one side of the plate radiator 1 , and a foot 11 is mounted on the bottom of the plate radiator 1 and the support leg 10 .

[0027] Working principle: Oil and gas enter from the first oil and gas inlet 4 of the tube-in-tube radiator 2, the first refrigerant inlet 3 of the tube-in-tube radiator 2 is connected to the refrigerator, and then the oil and gas gradually enter into the tube-in-tube radiator 2 and the plate radiator 1, cool down and then flow out.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A combined heat exchanger, characterized in that: The invention comprises a plate radiator (1), one side of which is respectively provided with a second oil and gas inlet (13), a second oil and gas outlet (14), a second refrigerant inlet (12) and a second refrigerant outlet (15); a tube-and-tube radiator (2) is arranged on the plate radiator (1); two ends of the tube-and-tube radiator (2) are respectively provided with a first oil and gas inlet (4), a first refrigerant inlet (3), a first oil and gas outlet (5) and a first refrigerant outlet (6); the first oil and gas outlet (5) is connected to the second oil and gas inlet (13) via a second connecting pipe (8), and the first refrigerant outlet (6) is connected to the second refrigerant inlet (12) via a first connecting pipe (7).

2. A combined heat exchanger according to claim 1, characterized in that: The second oil and gas inlet (13) and the second refrigerant inlet (12) are in the same height, and the second oil and gas outlet (14) and the second refrigerant outlet (15) are in the same height.

3. A combined heat exchanger according to claim 1, characterized in that: The tube-in-tube radiator (2) is located directly above the second refrigerant inlet (12).

4. A combined heat exchanger according to claim 1, characterized in that: The first connecting pipe (7) is bent 90 degrees in the clockwise direction, and the lengths of both sides of the bending part are equal.

5. The combined heat exchanger according to claim 1, characterized in that: The second connecting tube (8) is bent twice in a clockwise direction with a bending angle of 90°, and its length increases successively along the bending direction.

6. A combined heat exchanger according to claim 1, characterized in that: A support plate (9) is provided at one end of the lower surface of the tube-and-tube radiator (2), and the tube-and-tube radiator (2) is fixedly connected to one side of the plate-type radiator (1) via the support plate (9).

7. A combined heat exchanger according to claim 1, characterized in that: A support leg (10) is fixedly mounted on one side of the plate-type radiator (1), and a foot (11) is mounted on the bottom of both the plate-type radiator (1) and the support leg (10).

Images