Heat exchanger with inner wall anti-scaling function

Abstract

The utility model discloses a heat exchanger with an inner wall anti-scaling function, which comprises an outer shell, an inner shell, a heat exchange tube and a cleaning component, the inner shell is sleeved in the outer shell, a heat exchange cavity is formed between the outer shell and the inner shell, a mesh plate is fixedly mounted at the end parts of the outer shell and the inner shell, the heat exchange tube is arranged in the heat exchange cavity, and the cleaning component is arranged on the inner wall of the heat exchange tube. The end of the heat exchange pipe is fixedly connected with the mesh plate, the end cover is fixedly connected to one side of the mesh plate, and the cleaning assembly is arranged in the inner shell and used for cleaning scale in the inner shell. According to the heat exchanger, the outer shell, the inner shell, the mesh plate, the heat exchange pipe, the end cover and the cleaning assembly are used in a matched mode, the heat exchange pipe is installed in the heat exchange cavity between the outer shell and the inner shell, so that scales generated by flowing water flow in the inner shell are prevented from being attached to the heat exchange pipe, the cleaning assembly can clean the scales in the inner shell, and the heat exchange efficiency is improved. Therefore, the influence of scaling on heat exchange is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger field, especially a kind of heat exchanger with inner wall anti-fouling function. BACKGROUND

[0002] Heat exchanger is a kind of equipment for transferring heat, commonly used in industrial production, energy system and air conditioning field.

[0003] Among them, common heat exchanger is composed of shell, multiple heat exchange pipes, mesh plate and end cover, liquid flows in the shell interior, and contact with heat exchange pipe, just heat in liquid is transferred to the liquid in the interior of heat exchange pipe.

[0004] But when using heat exchanger in industry, scale in hot water in boiler will adhere to the inner wall of shell and the outside of heat exchange pipe when hot water is passed into the interior of heat exchanger, so long-time accumulation will lead to the heat exchange efficiency reduction of heat exchanger, even unable to heat exchange, so there is certain defectivity. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of heat exchanger with inner wall anti-fouling function to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of heat exchanger with inner wall anti-fouling function, comprising:

[0007] Outer shell body;

[0008] Inner shell body, the inner shell body is sleeved in the interior of outer shell body, and heat exchange chamber is formed between the outer shell body and inner shell body;

[0009] Mesh plate, the mesh plate is fixedly installed in the end of outer shell body and inner shell body;

[0010] Heat exchange pipe, the heat exchange pipe is arranged in the interior of heat exchange chamber, and the end of heat exchange pipe is fixedly connected with mesh plate;

[0011] End cover, the end cover is fixedly connected to one side of mesh plate;

[0012] Cleaning assembly, the cleaning assembly is arranged in the interior of inner shell body, and the cleaning assembly is used to clean the scale in the interior of inner shell body.

[0013] Preferably, further comprising:

[0014] First liquid inlet pipe, the first liquid inlet pipe is installed on the top of one of end cover;

[0015] First liquid outlet pipe, the first liquid outlet pipe is installed on the top of another end cover.

[0016] Preferably, it further comprises:

[0017] A second liquid inlet pipe is installed at one end of the other end cover;

[0018] A second liquid outlet pipe is installed at one end of the end cover;

[0019] A connecting pipe is installed between the end cover and the mesh plate, and the second liquid inlet pipe and the second liquid outlet pipe are respectively communicated with the inner cavity of the inner shell through the connecting pipe.

[0020] Preferably, the cleaning assembly comprises:

[0021] A connecting shaft is rotatably installed inside the inner shell and the end cover;

[0022] A scraper and a fixing rod are fixedly installed outside the connecting shaft through the fixing rod, and the scraper is attached to the inner wall of the inner shell.

[0023] Preferably, the cleaning assembly further comprises:

[0024] A sealing sleeve is installed between the end cover and the mesh plate, and the sealing sleeve is sleeved outside the connecting shaft;

[0025] A driving assembly is arranged on one side of the end cover, and the driving assembly is used for driving the connecting shaft to rotate.

[0026] Preferably, the driving assembly comprises:

[0027] A servo motor is installed at the bottom of the end cover;

[0028] A first synchronous wheel is drivingly installed at the output end of the servo motor;

[0029] A second synchronous wheel is installed at one end of the outer wall of the connecting shaft;

[0030] A synchronous belt is sleeved outside the first synchronous wheel and the second synchronous wheel;

[0031] A protective shell is installed on one side of the end cover, and the protective shell is sleeved outside the first synchronous wheel and the second synchronous wheel.

[0032] The technical effects and advantages of the utility model are as follows:

[0033] The utility model discloses a cooperation mode of shell body, inner casing, mesh sheet, heat exchange pipe, end cover and cleaning assembly, heat exchange pipe is installed in the heat exchange chamber between shell body and inner casing, thereby avoiding the scale adhesion on heat exchange pipe produced by the water flow flowing in the inner casing, and the cleaning assembly can clean the scale in the inner casing, thereby reducing the influence of scale on heat exchange. BRIEF DESCRIPTION OF DRAWINGS

[0034] Fig. 1 It is the whole structure schematic diagram of the utility model.

[0035] Fig. 2 It is the front inside structure schematic diagram of the utility model.

[0036] Fig. 3 It is the end cover front inside structure schematic diagram of the utility model.

[0037] In the drawing: 1, shell body;2, inner casing;3, mesh sheet;4, heat exchange pipe;5, end cover;6, cleaning assembly;61, connecting shaft;62, scraper;63, fixed rod;64, sealing sleeve;65, drive assembly;651, servo motor;652, synchronous belt;653, protection shell;71, first liquid inlet pipe;72, first liquid outlet pipe;73, second liquid inlet pipe;74, second liquid outlet pipe;75, connecting pipe. DETAILED DESCRIPTION

[0038] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the utility model.

[0039] The utility model provides a kind of heat exchange with inner wall scale prevention function as shown in Figs. 1-3

[0040] Embodiment 1

[0041] ​The device includes an outer shell 1, an inner shell 2, a perforated plate 3, heat exchange tubes 4, end caps 5, and a cleaning assembly 6. The inner shell 2 is fitted inside the outer shell 1, forming a heat exchange chamber between the outer shell 1 and the inner shell 2. The heat exchange chamber stores heat exchange oil. The perforated plate 3 is fixedly installed at the ends of the outer shell 1 and the inner shell 2. The heat exchange tubes 4 are located inside the heat exchange chamber, with their ends fixedly connected to the perforated plate 3. The end caps 5 are fixedly connected to one side of the perforated plate 3, allowing the liquid inside the inner shell 2 to pass through. This allows heat to be transferred to the heat exchange oil inside the heat exchange chamber, and then to the liquid inside the heat exchange tubes 4, thus achieving heat exchange. The liquid inside the inner shell 2 does not come into contact with the heat exchange tubes 4, preventing scale buildup on the outside of the heat exchange tubes 4. The cleaning assembly 6 is located inside the inner shell 2 and is used to clean scale buildup inside the inner shell 2, preventing scale buildup on the inner wall of the inner shell 2 from affecting heat transfer.

[0042] Furthermore, it also includes a first inlet pipe 71, a first outlet pipe 72, a second inlet pipe 73, a second outlet pipe 74, and a connecting pipe 75. The first inlet pipe 71 is installed on the top of one of the end caps 5, and the first outlet pipe 72 is installed on the top of the other end cap 5, as shown below. Fig. 2 As shown, the first liquid inlet pipe 71 and the first liquid outlet pipe 72 form a first liquid flow channel with the heat exchange tube 4 through the interior of the two end caps 5. The second liquid inlet pipe 73 is installed at one end of the other end cap 5, and the second liquid outlet pipe 74 is installed at one end of one end cap 5. The connecting pipe 75 is installed between the end cap 5 and the mesh plate 3. The second liquid inlet pipe 73 and the second liquid outlet pipe 74 are respectively connected to the inner cavity of the inner shell 2 through the connecting pipe 75. The second liquid inlet pipe 73, the second liquid outlet pipe 74, the two connecting pipes 75 and the inner shell 2 form a second liquid flow channel, and the first liquid flow channel and the second liquid flow channel are not connected.

[0043] Example 2

[0044] Based on Embodiment 1, the cleaning component 6 includes a connecting shaft 61, a scraper 62, and a fixing rod 63. The connecting shaft 61 is rotatably installed inside the inner housing 2 and the end cover 5. The scraper 62 is fixedly installed outside the connecting shaft 61 by the fixing rod 63. The scraper 62 is in contact with the inner wall of the inner housing 2. The cleaning component 6 also includes a sealing sleeve 64 and a driving component 65. The sealing sleeve 64 is installed between the end cover 5 and the mesh plate 3, and the sealing sleeve 64 is sleeved on the outside of the connecting shaft 61. The sealing sleeve 64 can ensure the sealing of the connecting shaft 61 located inside the end cover 5 and prevent the connecting shaft 61 from contacting the liquid inside the first liquid flow channel. The driving component 65 is disposed on one side of the end cover 5 and is used to drive the connecting shaft 61 to rotate, so that the connecting shaft 61 drives multiple scrapers 62 to rotate, thereby cleaning the scale attached to the inner wall of the inner housing 2.

[0045] Specifically, the driving assembly 65 comprises a servo motor 651, a first synchronous wheel, a second synchronous wheel, a synchronous belt 652 and a protective shell 653, the servo motor 651 is installed at the bottom of the end cover 5, the first synchronous wheel is drivingly installed at the output end of the servo motor 651, the second synchronous wheel is installed at one end of the outer wall of the connecting shaft 61, the synchronous belt 652 is sleeved outside the first synchronous wheel and the second synchronous wheel, the servo motor 651 can drive the connecting shaft 61 to rotate through the first synchronous wheel, the synchronous belt 652 and the second synchronous wheel, and the protective shell 653 is installed at one side of the end cover 5 and is sleeved outside the first synchronous wheel and the second synchronous wheel.

[0046] It should be finally pointed out that the above description is only the preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for some of the technical features, and any modification, equivalent replacement or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A heat exchanger with an internal wall anti-scaling function, characterized in that, include: Outer shell (1); The inner shell (2) is fitted inside the outer shell (1), and a heat exchange chamber is formed between the outer shell (1) and the inner shell (2); A perforated plate (3) is fixedly installed at the ends of the outer shell (1) and the inner shell (2); Heat exchange tube (4), the heat exchange tube (4) is disposed inside the heat exchange chamber, and the end of the heat exchange tube (4) is fixedly connected to the mesh plate (3); End cap (5), which is fixedly connected to one side of the perforated plate (3); A cleaning component (6) is disposed inside the inner housing (2) and is used to clean the scale inside the inner housing (2).

2. A heat exchanger with internal wall anti-scaling function according to claim 1, characterized in that, Also includes: The first liquid inlet pipe (71) is installed on the top of one of the end caps (5); The first outlet pipe (72) is mounted on top of the other end cap (5).

3. A heat exchanger with internal wall anti-scaling function according to claim 1, characterized in that, Also includes: The second inlet pipe (73) is installed at one end of another end cap (5); The second outlet pipe (74) is installed at one end of one of the end caps (5); A connecting pipe (75) is installed between the end cap (5) and the mesh plate (3). The second liquid inlet pipe (73) and the second liquid outlet pipe (74) are respectively connected to the inner cavity of the inner shell (2) through the connecting pipe (75).

4. A heat exchanger with internal wall anti-scaling function according to claim 1, characterized in that, The cleaning component (6) includes: A connecting shaft (61) is rotatably mounted inside the inner housing (2) and the end cover (5); The scraper (62) and the fixing rod (63) are fixedly installed on the outside of the connecting shaft (61) by the fixing rod (63), and the scraper (62) is in contact with the inner wall of the inner shell (2).

5. A heat exchanger with internal wall anti-scaling function according to claim 4, characterized in that, The cleaning component (6) also includes: A sealing sleeve (64) is installed between the end cap (5) and the mesh plate (3), and the sealing sleeve (64) is sleeved on the outside of the connecting shaft (61); A drive assembly (65) is disposed on one side of the end cap (5) and is used to drive the connecting shaft (61) to rotate.

6. A heat exchanger with internal wall anti-scaling function according to claim 5, characterized in that, The driving component (65) includes: Servo motor (651), said servo motor (651) is mounted on the bottom of end cover (5); The first synchronous pulley is mounted on the output end of the servo motor (651); The second synchronous pulley is installed at one end of the outer wall of the connecting shaft (61); A timing belt (652) is fitted over the outside of the first and second timing pulleys; A protective housing (653) is installed on one side of the end cover (5) and is sleeved on the outside of the first and second synchronous pulleys.

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