Oil filter element of heat exchanger

Abstract

The utility model relates to the technical field of heat exchangers, in particular to an oil filter element of a heat exchanger, which comprises an oil inlet pipe, a layering area, a first filter layer and a second filter layer, the layering area is mounted at the bottom of the oil inlet pipe, the first filter layer is mounted at the bottom of the layering area, and the second filter layer is mounted at the bottom of the first filter layer. The oil filter is provided with the layering area, oil is subjected to layering treatment through the layering area, so that the oil uniformly falls into the first filter layer and the second filter layer and is filtered through the first filter layer and the second filter layer, and the filtering efficiency is improved. The first filter layer and the second filter layer are arranged, filtered impurities can be left between the first filter pipe and the first filter screen and between the third filter hole and the second filter screen through the first filter layer and the second filter layer, the impurities are prevented from flowing into a subsequent heat exchanger, and a large number of impurities are prevented from remaining in the heat exchanger to cause blockage.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat exchangers, and in particular relates to an oil filter element of a heat exchanger. Background Art

[0002] In a wall-type heat exchanger, two fluids with different temperatures flow in a space separated by a wall, and heat is exchanged between the two fluids through heat conduction of the wall and convection of the fluid on the wall surface. There are many types of media in the heat exchanger, including oil media, and when the oil medium is used, there will be impurities, so the oil medium needs to be filtered.

[0003] However, the existing oil filter element often has only one layer of filter screen. Due to the effect of gravity, the oil is often concentrated at the bottom of the filter screen for filtration, and the filtered impurities are concentrated at the bottom of the filter screen, causing the bottom of the filter screen to be blocked, while the top of the filter screen is often kept clean. Therefore, an oil filter element for a heat exchanger is urgently needed to solve the above problem. Utility Model Content

[0004] In order to overcome the above-mentioned technical problems, the purpose of the utility model is to provide an oil filter element for a heat exchanger to solve the problem that the existing oil filter element mentioned in the above-mentioned background technology often has only one layer of filter mesh, the oil is often concentrated at the bottom of the filter mesh for filtration, and the filtered impurities are concentrated at the bottom of the filter mesh, resulting in blockage of the bottom of the filter mesh.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oil filter element of a heat exchanger, comprising an oil inlet pipe, a stratification zone, a first filter layer and a second filter layer, the stratification zone is installed at the bottom of the oil inlet pipe, the first filter layer is installed at the bottom of the stratification zone, and the second filter layer is installed at the bottom of the first filter layer.

[0006] Preferably, the stratified area includes a cover plate 1, an outer shell, a conical plate and a leak plate, the inner wall of the cover plate 1 is fixedly connected to the oil inlet pipe, the bottom of the cover plate 1 is fixedly connected to the outer shell, the inner wall of the outer shell is fixedly connected to the leak plate, and the inner wall of the leak plate is fixedly connected to the conical plate.

[0007] Preferably, the first filter layer comprises a second cover plate, a first filter tube, a first filter hole, a first filter mesh, a second filter hole and a layered plate, and the inner wall of the second cover plate is fixedly connected to the outer shell.

[0008] Preferably, the filter tube 1 is fixedly connected to the bottom of the orifice plate, the top opening position of the filter tube 1 corresponds to the opening position of the orifice plate, and a plurality of filter holes 1 are provided on the outer side of the filter tube 1.

[0009] Preferably, the filter screen 1 is fixedly connected to the bottom of the cover plate 2, a plurality of filter holes 2 are provided on the surface of the filter screen 1, and the bottom of the filter screen 1 is fixedly connected to the layered plate.

[0010] Preferably, the second filter layer includes filter tube 2, filter hole 3, filter mesh 2, filter hole 4 and a bottom plate, wherein filter tube 2 is fixedly connected to the bottom of the leakage plate, and filter tube 2 passes through the circular hole in the middle of the layered plate, and the top opening position of filter tube 2 corresponds to the opening position of the leakage plate.

[0011] Preferably, a plurality of filter holes three are opened on the outer side of the bottom of the filter tube two, the filter net two is fixedly connected to the bottom of the layered plate, a plurality of filter holes four are opened on the surface of the filter net two, and the filter holes three and the bottom of the filter net two are fixedly connected to the bottom plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The oil filter element of the heat exchanger is provided with a stratification zone, and oil is injected into the stratification zone through an oil inlet pipe, and falls from the edge of the conical plate, and the oil falls from the holes of the leak plate, and the oil falls into the filter tube 1 and the filter tube 2 from the holes of the leak plate respectively, and the oil is stratified by the stratification zone, so that the oil falls evenly into the first filter layer and the second filter layer, and is filtered by the first filter layer and the second filter layer, thereby improving the filtering efficiency and avoiding the impurities filtered by the existing oil filter element to be concentrated at the bottom of the filter net, resulting in the phenomenon of filter net clogging.

[0014] 2. The oil filter element of the heat exchanger is provided with a first filter layer and a second filter layer. The oil entering the filter tube one is preliminarily filtered through the filter hole one, and the oil is filtered for the second time through the filter net one. The filtered impurities remain between the cover plate two and the layering plate. The oil entering the filter tube two is preliminarily filtered through the filter hole three, and the oil is filtered for the second time through the filter hole four. The impurities remain between the layering plate and the bottom plate. The first filter layer and the second filter layer allow the filtered impurities to remain between the filter tube one and the filter net one and between the filter hole three and the filter net two, thereby preventing impurities from flowing into the interior of the subsequent heat exchanger and preventing a large amount of impurities from remaining in the heat exchanger to cause blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front perspective schematic diagram of the utility model;

[0016] Figure 2 This is a front cross-sectional schematic diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the explosion structure of the layered area of ​​the utility model;

[0018] Figure 4 This is a schematic diagram of the explosion structure of the first filter layer of the utility model;

[0019] Figure 5 This is a schematic diagram of the explosion structure of the second filter layer of the utility model.

[0020] In the figure: 1, oil inlet pipe; 2, stratification area; 21, cover plate 1; 22, outer shell; 23, conical plate; 24, leak plate; 3, first filter layer; 31, cover plate 2; 32, filter tube 1; 33, filter hole 1; 34, filter net 1; 35, filter hole 2; 36, stratification plate; 4, second filter layer; 41, filter tube 2; 42, filter hole 3; 43, filter net 2; 44, filter hole 4; 45, bottom plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 The utility model provides an embodiment: an oil filter element of a heat exchanger, comprising an oil inlet pipe 1, a stratification area 2, a first filter layer 3 and a second filter layer 4, the stratification area 2 is installed at the bottom of the oil inlet pipe 1, the first filter layer 3 is installed at the bottom of the stratification area 2, and the second filter layer 4 is installed at the bottom of the first filter layer 3.

[0023] The stratification zone 2 includes a cover plate 21, an outer shell 22, a conical plate 23 and a leakage hole plate 24. The inner wall of the cover plate 21 is fixedly connected to the oil inlet pipe 1, the bottom of the cover plate 21 is fixedly connected to the outer shell 22, the inner wall of the outer shell 22 is fixedly connected to the leakage hole plate 24, and the inner wall of the leakage hole plate 24 is fixedly connected to the conical plate 23. Oil is injected into the stratification zone 2 through the oil inlet pipe 1, falls from the edge of the conical plate 23, and falls from the holes of the leakage hole plate 24. The oil falls into the filter tube 1 32 and the filter tube 2 41 from the holes of the leakage hole plate 24 respectively.

[0024] The first filter layer 3 includes a cover plate 2 31 , a filter tube 1 32 , a filter hole 1 33 , a filter mesh 1 34 , a filter hole 2 35 and a stratification plate 36 . The inner wall of the cover plate 2 31 is fixedly connected to the outer shell 22 , and the oil is stratified through the stratification area 2 so that the oil falls evenly into the first filter layer 3 and the second filter layer 4 .

[0025] The filter tube 32 is fixedly connected to the bottom of the perforated plate 24 , the top opening position of the filter tube 32 corresponds to the opening position of the perforated plate 24 , and a plurality of filter holes 33 are formed on the outer side of the filter tube 32 .

[0026] The filter screen 34 is fixedly connected to the bottom of the cover plate 31, and a plurality of filter holes 35 are provided on the surface of the filter screen 34. The bottom of the filter screen 34 is fixedly connected to the layering plate 36. The oil entering the filter tube 32 is initially filtered through the filter holes 33, and then filtered for the second time through the filter screen 34. The filtered impurities remain between the cover plate 31 and the layering plate 36.

[0027] The second filter layer 4 includes a second filter tube 41, a third filter hole 42, a second filter mesh 43, a fourth filter hole 44 and a bottom plate 45. The second filter tube 41 is fixedly connected to the bottom of the leakage plate 24. The second filter tube 41 passes through the circular hole in the middle of the layered plate 36. The top opening position of the second filter tube 41 corresponds to the opening position of the leakage plate 24.

[0028] A plurality of filter holes 3 42 are provided on the outer side of the bottom of the filter tube 2 41 , a filter net 2 43 is fixedly connected to the bottom of the layer plate 36 , a plurality of filter holes 44 are provided on the surface of the filter net 2 43 , the filter holes 3 42 and the bottom of the filter net 2 43 are fixedly connected to the bottom plate 45 , the oil entering the filter tube 2 41 is initially filtered through the filter holes 3 42 , and is filtered for the second time through the filter holes 44 , and impurities are left between the layer plate 36 and the bottom plate 45 .

[0029] Working principle:

[0030] When in use, oil is injected into the stratified area 2 through the oil inlet pipe 1, and falls from the edge of the conical plate 23. The oil falls from the holes of the leakage plate 24, and the oil falls into the filter tube 1 32 and the filter tube 2 41 from the holes of the leakage plate 24 respectively. The oil entering the filter tube 1 32 is initially filtered through the filter hole 1 33, and the oil is filtered for the second time through the filter net 1 34. The filtered impurities remain between the cover plate 2 31 and the stratified plate 36. The oil entering the filter tube 2 41 is initially filtered through the filter hole 3 42, and the oil is filtered for the second time through the filter hole 4 44. The impurities remain in the stratified plate 3 6 and the bottom plate 45, the oil is stratified by the stratification area 2, so that the oil falls evenly into the first filter layer 3 and the second filter layer 4, and is filtered by the first filter layer 3 and the second filter layer 4, thereby improving the filtration efficiency and avoiding the impurities filtered by the existing oil filter element to be concentrated at the bottom of the filter screen, resulting in the clogging of the filter screen. The filtered impurities can be retained between the filter tube 1 32 and the filter screen 1 34 and between the filter hole 3 42 and the filter screen 2 43 through the first filter layer 3 and the second filter layer 4, thereby preventing the impurities from flowing into the interior of the subsequent heat exchanger and preventing a large amount of impurities from remaining in the heat exchanger to cause clogging.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An oil filter element for a heat exchanger, comprising an oil inlet pipe (1), a stratification zone (2), a first filter layer (3) and a second filter layer (4), characterized in that: A stratification zone (2) is installed at the bottom of the oil inlet pipe (1), a first filter layer (3) is installed at the bottom of the stratification zone (2), and a second filter layer (4) is installed at the bottom of the first filter layer (3).

2. The oil filter element of a heat exchanger according to claim 1, characterized in that: The stratified area (2) comprises a cover plate (21), an outer shell (22), a conical plate (23) and a leakage plate (24); the inner wall of the cover plate (21) is fixedly connected to the oil inlet pipe (1); the bottom of the cover plate (21) is fixedly connected to the outer shell (22); the inner wall of the outer shell (22) is fixedly connected to the leakage plate (24); and the inner wall of the leakage plate (24) is fixedly connected to the conical plate (23).

3. The oil filter element of a heat exchanger according to claim 1, characterized in that: The first filter layer (3) comprises a second cover plate (31), a filter tube (32), a filter hole (33), a filter mesh (34), a second filter hole (35) and a layered plate (36); the inner wall of the second cover plate (31) is fixedly connected to the outer shell (22).

4. The oil filter element of a heat exchanger according to claim 3, characterized in that: The filter tube one (32) is fixedly connected to the bottom of the orifice plate (24); the top opening position of the filter tube one (32) corresponds to the opening position of the orifice plate (24); and a plurality of filter holes one (33) are provided on the outer side of the filter tube one (32).

5. The oil filter element of a heat exchanger according to claim 4, characterized in that: The filter screen one (34) is fixedly connected to the bottom of the cover plate two (31), a plurality of filter holes two (35) are opened on the surface of the filter screen one (34), and the bottom of the filter screen one (34) is fixedly connected to the layered plate (36).

6. The oil filter element of a heat exchanger according to claim 1, characterized in that: The second filter layer (4) comprises a second filter tube (41), a third filter hole (42), a second filter screen (43), a fourth filter hole (44) and a bottom plate (45); the second filter tube (41) is fixedly connected to the bottom of the leak plate (24); the second filter tube (41) passes through the circular hole in the middle of the layered plate (36); the top opening position of the second filter tube (41) corresponds to the opening position of the leak plate (24).

7. The oil filter element of a heat exchanger according to claim 6, characterized in that: The outer side of the bottom of the second filter tube (41) is provided with a plurality of third filter holes (42); the second filter screen (43) is fixedly connected to the bottom of the layered plate (36); the surface of the second filter screen (43) is provided with a plurality of fourth filter holes (44); the third filter holes (42) and the bottom of the second filter screen (43) are fixedly connected to the bottom plate (45).

Images