Heat exchanger with anti-blocking function

Abstract

The heat exchanger with the anti-blocking function comprises a shell, a feeding end and a discharging end, and two connecting flanges are connected to the side, close to the feeding end, of the shell; a filter screen is arranged between the two connecting flanges; the outer side of the filter screen is connected with an annular piece; a first fixing block and a second fixing block are further connected between the two connecting flanges. The fixed block I and the fixed block II are semicircular and are symmetrically arranged up and down; mounting grooves matched with the annular piece are formed in one side of the fixing block I and one side of the fixing block II; the filter screen is arranged in the mounting groove through the annular piece; a fixing mechanism is further connected into the mounting groove; one side of the annular piece is attached to the inner side of the connecting flange through a fixing mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a heat exchanger with an anti-blocking function. Background Art

[0002] As the heat exchanger is used for a long time, it is easy to get clogged, especially on the heat exchange tube with a smaller diameter. Therefore, a filter is added to the air inlet pipe of the heat exchange tube for filtering. However, the filter will be clogged after long-term use, affecting the heat exchange effect. Therefore, the staff has to stop the operation of the heat exchanger and remove and clean the filter. In the prior art, the heat exchanger shell is arranged as an integral part. When cleaning is required, the flange at one end of the water inlet needs to be removed, and then the filter is cleaned, which makes disassembly and assembly difficult. Utility Model Content

[0003] The utility model aims to solve the problems in the prior art and proposes a heat exchanger with an anti-blocking function.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A heat exchanger with an anti-blocking function comprises a shell, a feed end and a discharge end, wherein two connecting flanges are connected to one side of the shell close to the feed end; a filter screen is arranged between the two connecting flanges; a ring member is connected to the outer side of the filter screen; a fixing block 1 and a fixing block 2 are also connected between the two connecting flanges; the fixing block 1 and the fixing block 2 are semicircular and symmetrically arranged up and down; one side of the fixing block 1 and the fixing block 2 is provided with a mounting groove matching the ring member; the filter screen is arranged in the mounting groove through the ring member; a fixing mechanism is also connected in the mounting groove; one side of the ring member is fitted with the inner side of the connecting flange through the fixing mechanism.

[0006] Preferably, the fixing mechanism comprises a push block arranged in the mounting groove; the push block is connected to a push rod; one end of the push rod passes through a fixing block and is threadedly connected to a fixing block; a knob is connected to one end of the push rod located outside a fixing block.

[0007] Preferably, an elastic gasket is sleeved on one end of the push rod located outside the fixing block.

[0008] Preferably, both ends of the fixing block 1 and the fixing block 2 are connected with connecting blocks; the connecting block is provided with a threaded hole 1; the fixing block 1 and the fixing block 2 are fixedly connected by a connecting screw through the threaded hole 1.

[0009] Preferably, a strip groove is provided on the connection block; and a sealing strip is connected to the strip groove.

[0010] Preferably, the connecting flange, the fixing block 1 and the fixing block 2 are provided with two interconnected threaded holes; the fixing block 1 and the fixing block 2 are respectively connected to the connecting flange via the threaded holes 2 with screws.

[0011] Preferably, the feed end is provided with a feed port; the discharge end is provided with a discharge port; the filter screen is arranged at one end of the shell body close to the feed port; and the shell body is also provided with a water inlet and a water outlet.

[0012] Compared with the prior art, the utility model provides a heat exchanger with an anti-blocking function, which has the following beneficial effects:

[0013] The heat exchanger with anti-blocking function can fix the filter by arranging a fixing block between the connecting flanges, and then squeeze and lock it in combination with the fixing mechanism. The filter can be fixed by turning the knob to squeeze the annular member on the filter inward. The two fixing blocks are symmetrically arranged. When the filter needs to be cleaned, only one of the fixing blocks needs to be unlocked to remove the filter, and the disassembly and assembly are convenient.

[0014] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

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

[0018] Figure 4 It is a structural schematic diagram of the fixing mechanism in the utility model;

[0019] Figure 5 It is a structural schematic diagram of the fixing block 1 in the utility model.

[0020] In the figure: 10, shell; 11, feed end; 12, discharge end; 13, feed port; 14, discharge port; 15, water inlet; 16, water outlet; 21, connecting flange; 22, fixing block 1; 23, fixing block 2; 24, mounting groove; 25, filter screen; 26, ring member; 27, connecting block; 28, threaded hole 1; 29, strip groove; 31, push block; 32, push rod; 33, knob; 34, elastic gasket; 41, threaded hole 2; 42, screw. DETAILED DESCRIPTION

[0021] The following will refer to Figure 1-5, a specific implementation of the heat exchanger with anti-blocking function in the utility model is introduced, including a shell 10, a feed end 11 and a discharge end 12, the feed end 11 is provided with a feed port 13; the discharge end 12 is provided with a discharge port 14; the shell 10 is also provided with a water inlet 15 and a water outlet 16; two connecting flanges 21 are connected to the side of the shell 10 close to the feed end 11; a filter screen 25 is arranged between the two connecting flanges 21; a heat exchange mechanism such as a heat exchange tube should also be arranged in the shell 10, and the filter screen 25 is arranged at one end of the shell 10 close to the feed port 13; in order to facilitate the fixing of the filter screen 25, a ring member 26 is connected to the outside of the filter screen 25.

[0022] A fixing block 1 22 and a fixing block 23 are also connected between the two connecting flanges 21; the fixing block 1 22 and the fixing block 23 are semicircular and symmetrically arranged up and down; a mounting groove 24 matching the ring member 26 is arranged on one side of the fixing block 1 22 and the fixing block 23; the filter screen 25 is arranged in the mounting groove 24 through the ring member 26; the two ends of the fixing block 1 22 and the fixing block 23 are connected with a connecting block 27; a threaded hole 1 28 is arranged on the connecting block 27; the fixing block 1 22 and the fixing block 23 are fixedly connected by connecting screws through the threaded hole 1 28. In order to ensure the sealing of the connection between the fixing block 1 22 and the fixing block 23, a strip groove 29 is arranged on the connecting block 27; a sealing strip is connected to the strip groove 29.

[0023] In order to facilitate the disassembly and assembly of the filter 25, interconnected threaded holes 41 are provided on the connecting flange 21, the fixing block 1 22 and the fixing block 23; the fixing block 1 22 and the fixing block 23 are respectively connected to the connecting flange 21 through the threaded holes 41, and the fixing block 1 22 and the fixing block 23 can be separately removed through the screw 42. When the filter 25 needs to be cleaned, it is only necessary to remove the fixing block at one end to unplug and remove the filter 25 for easy cleaning.

[0024] To prevent the filter screen 25 from shaking in the installation groove 24, a fixing mechanism is also connected in the installation groove 24; one side of the annular member 26 is fitted with the inner side of the connecting flange 21 through the fixing mechanism; the fixing mechanism includes a push block 31 arranged in the installation groove 24; a push rod 32 is connected to the push block 31; one end of the push rod 32 passes through the fixing block 22 and is threadedly connected to the fixing block 22; a knob 33 is connected to the end of the push rod 32 located on the outside of the fixing block 22; an elastic gasket 34 is also sleeved on the end of the push rod 32 located on the outside of the fixing block 22. When in use, the push block 31 is pushed by rotating the knob 33, so that the two ends of the filter screen are clamped and fixed. At the same time, the knob 33 squeezes the elastic gasket 34 to seal its connection end to prevent leakage during use.

[0025] 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 heat exchanger with anti-blocking function, comprising a shell (10), a feed end (11) and a discharge end (12), characterized in that: Two connecting flanges (21) are connected to one side of the shell (10) close to the feed end (11); a filter screen (25) is arranged between the two connecting flanges (21); a ring member (26) is connected to the outer side of the filter screen (25); a fixing block 1 (22) and a fixing block 2 (23) are also connected between the two connecting flanges (21); the fixing block 1 (22) and the fixing block 2 (23) are semicircular and symmetrically arranged up and down; one side of the fixing block 1 (22) and the fixing block 2 (23) is provided with a mounting groove (24) matching the ring member (26); the filter screen (25) is arranged in the mounting groove (24) through the ring member (26); a fixing mechanism is also connected in the mounting groove (24); one side of the ring member (26) is fitted with the inner side of the connecting flange (21) through the fixing mechanism.

2. A heat exchanger with anti-blocking function according to claim 1, characterized in that: The fixing mechanism comprises a push block (31) arranged in the mounting groove (24); a push rod (32) is connected to the push block (31); one end of the push rod (32) passes through the fixing block 1 (22) and is threadedly connected to the fixing block 1 (22); and a knob (33) is connected to one end of the push rod (32) located outside the fixing block 1 (22).

3. The heat exchanger with anti-blocking function according to claim 2, characterized in that: An elastic gasket (34) is also sleeved on one end of the push rod (32) located outside the fixing block 1 (22).

4. The heat exchanger with anti-blocking function according to claim 1, characterized in that: The two ends of the fixing block 1 (22) and the fixing block 2 (23) are connected with a connecting block (27); the connecting block (27) is provided with a threaded hole 1 (28); the fixing block 1 (22) and the fixing block 2 (23) are fixedly connected via a screw connecting the threaded hole 1 (28).

5. The heat exchanger with anti-blocking function according to claim 4, characterized in that: The connection block (27) is provided with a strip groove (29); and a sealing strip is connected to the strip groove (29).

6. The heat exchanger with anti-blocking function according to claim 1, characterized in that: The connecting flange (21), the fixing block 1 (22) and the fixing block 2 (23) are provided with interconnected threaded holes 2 (41); the fixing block 1 (22) and the fixing block 2 (23) are respectively connected to the connecting flange (21) via the threaded holes 2 (41) by screw rods (42).

7. The heat exchanger with anti-blocking function according to claim 1, characterized in that: The feed end (11) is provided with a feed port (13); the discharge end (12) is provided with a discharge port (14); the filter screen (25) is arranged at one end of the shell (10) close to the feed port (13); and the shell (10) is also provided with a water inlet (15) and a water outlet (16).

Images