Anti-corrosion round block hole type graphite heat exchanger

Abstract

The utility model discloses an anti-corrosion round block hole type graphite heat exchanger, which relates to the technical field of heat exchangers and comprises a heat exchanger shell, a first liquid inlet pipeline is mounted at the top of the heat exchanger shell, and a first liquid outlet pipeline is mounted at the bottom of the heat exchanger shell. A first high-temperature air inlet pipeline and a first high-temperature exhaust pipeline are arranged on the side face of the heat exchanger shell, a first graphite heat exchange block is installed in the heat exchanger shell, and a radial flow channel hole and an axial flow channel hole are formed in the first graphite heat exchange block. The two ends of the radial flow channel hole are communicated with a first high-temperature air inlet pipeline and a first high-temperature air outlet pipeline respectively, the two ends of the axial flow channel hole are communicated with a first liquid inlet pipeline and a first liquid outlet pipeline respectively, the radial flow channel hole of the graphite heat exchange block is used for high-temperature water vapor to pass through, and the axial flow channel hole is used for low-temperature media to pass through. And the influence of incrustation scale in the heat exchange process can be reduced during heat exchange.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger technical field especially relates to a kind of anticorrosive round block hole type graphite heat exchanger. BACKGROUND

[0002] However, the graphite heat exchanger is found that the heat exchange efficiency of graphite heat exchanger is not high in the use process, the reason is that the heat exchange medium passage of graphite heat exchange block two sides is relatively short, the passage resistance is small, the flow rate of heat exchange medium is increased in it;At the same time, because the heat exchange medium passage of graphite heat exchange block middle part is relatively long, the passage resistance is big, the flow rate of heat exchange medium is reduced in it;This makes the heat exchange effect of middle part reduce, to increase the heat loss of whole heat exchanger.

[0003] And, graphite heat exchanger belongs to volumetric heat exchange equipment, scale layer is often formed in heat exchange medium hole between two groups of media in heat exchange process, affects heat exchange, because the internal structure of graphite heat exchanger is relatively complex, in the case that internal scale affects heat exchange, if cleaning, graphite equipment needs to be disassembled first, then mechanical flushing mode is used to remove scale in graphite heat exchange unit block hole, such mode is time-consuming and laborious, and graphite heat exchanger is easily damaged. UTILITY MODEL CONTENT

[0004] Based on this, it is necessary to provide an anticorrosive round block hole type graphite heat exchanger for the above problems, which can effectively reduce the scale in graphite heat exchange unit block hole.

[0005] An anticorrosive round block hole type graphite heat exchanger, including heat exchanger shell, the top of the heat exchanger shell is equipped with first liquid inlet pipeline, the bottom of the heat exchanger shell is equipped with first liquid outlet pipeline, the lower end of the side of the heat exchanger shell is equipped with first high-temperature gas inlet pipeline, the upper end of the side of the heat exchanger shell is equipped with first high-temperature gas outlet pipeline, the inside of the heat exchanger shell is stacked with multiple first graphite heat exchange blocks from bottom to top, the first graphite heat exchange block is equipped with radial flow channel hole and axial flow channel hole, the both ends of the radial flow channel hole are respectively communicated with first high-temperature gas inlet pipeline and first high-temperature gas outlet pipeline, the both ends of the axial flow channel hole are respectively communicated with first liquid inlet pipeline and first liquid outlet pipeline.

[0006] As a preferred place, the first connecting part is arranged between the connecting place of the heat exchanger shell and the first liquid inlet pipeline and the connecting place of the heat exchanger shell and the first liquid outlet pipeline, and the first connecting part includes first flange plate, second flange plate and first fastener, the first flange plate is connected with the first liquid inlet pipeline, the second flange plate is connected with the heat exchanger shell, and the first flange plate and the second flange plate are connected as a whole by the first fastener.

[0007] As a preferred place, the first high-temperature intake pipe and the first high-temperature exhaust pipe are provided with high-temperature electromagnetic valves.

[0008] As a preferred place, the inside of the heat exchanger shell is provided with a first graphite heat exchange block and a second graphite heat exchange block, a second connecting piece is arranged between the first graphite heat exchange block and the second graphite heat exchange block, the second connecting piece comprises a third flange plate, a fourth flange plate and a second fastener, the third flange plate is connected to the bottom of the first graphite heat exchange block, the fourth flange plate is connected to the top of the second graphite heat exchange block, and the third flange plate and the fourth flange plate are connected into an integrated whole through the second fastener.

[0009] As a preferred place, the first graphite heat exchange block is vertically provided with a first vertical baffle plate on the front and rear sides, and the first vertical baffle plate is seamlessly abutted on the inner wall of the heat exchanger shell.

[0010] As a preferred place, the inner wall of the heat exchanger shell is provided with a plurality of annular baffle plates, and the plurality of annular baffle plates are staggered on the inner wall of the heat exchanger shell.

[0011] As a preferred place, the inner wall of the heat exchanger shell is provided with a first channel and a second channel, the first high-temperature intake pipe is arranged in the first channel, and the first high-temperature exhaust pipe is arranged in the second channel.

[0012] The heat exchanger shell is vertically provided with a first vertical baffle plate on the front and rear sides, and the first vertical baffle plate is seamlessly abutted on the inner wall of the heat exchanger shell.

[0013] The first high-temperature intake pipe, the first high-temperature exhaust pipe and the radial flow channel hole of the first graphite heat exchange block on the heat exchanger shell form a high-temperature gas channel, and the first liquid inlet pipe, the first liquid outlet pipe and the axial flow channel hole of the first graphite heat exchange block on the heat exchanger shell form a low-temperature channel, two different temperature medium heat exchange channels, compared with the conventional heat exchange mode, the high-temperature steam can reduce the influence of scale in the heat exchange process. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view;

[0015] Figure 2 It is a heat exchanger shell internal structure schematic view;

[0016] Figure 3 It is a connecting schematic view of two adjacent graphite heat exchange blocks;

[0017] Icon: 1, heat exchanger shell; 1a, first channel; 1b, second channel; 2, first high-temperature exhaust pipe; 3, first high-temperature intake pipe; 4, high-temperature electromagnetic valve; 5, first liquid inlet pipe; 6, first liquid outlet pipe; 7, first flange; 8, second flange; 9, first fastener; 10, first graphite heat exchange block; 10a, radial flow channel hole; 10b, axial flow channel hole; 11, second graphite heat exchange block; 12, first vertical baffle; 14, annular baffle; 15, second connecting piece; 151, second fastener; 152, third flange; 153, fourth flange. DETAILED DESCRIPTION

[0018] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of ways beyond the specific embodiments described and illustrated herein, and it is therefore intended that the present application not be limited to the embodiments.

[0019] It should be noted that when an element is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element, or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element, or intervening elements can also be present. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for the purpose of illustration only and are not intended to be limiting.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this description, the terms "and / or" includes any and all combinations of one or more of the associated listed items.

[0021] As shown in FIG. 1, Figures 1-3

[0022] As an optional embodiment,

[0023] ​A corrosion-resistant circular block perforated graphite heat exchanger includes a heat exchanger shell 1. A first liquid inlet pipe 5 is installed on the top of the heat exchanger shell 1, and a first liquid outlet pipe 6, which communicates with the first liquid inlet pipe 5, is installed at the bottom of the heat exchanger shell 1. A first high-temperature air inlet pipe 3 is installed at the lower end of the side of the heat exchanger shell 1, and a first high-temperature exhaust pipe 2 is installed at the upper end of the side of the heat exchanger shell 1. Multiple first graphite heat exchange blocks 10 are stacked from bottom to top inside the heat exchanger shell 1. The first graphite heat exchange blocks 10 are provided with radial flow channel holes 10a and axial flow channel holes 10b. The two ends of the radial flow channel holes 10a communicate with the first high-temperature air inlet pipe 3 and the first high-temperature exhaust pipe 2, respectively. The two ends of the axial flow channel holes 10b communicate with the first liquid inlet pipe 5 and the first liquid outlet pipe 6, respectively.

[0024] Specifically, in this embodiment, high-temperature gas (water vapor) enters the radial flow channel hole 10a of the first graphite heat exchange block 10 inside the heat exchanger shell 1 through the first high-temperature inlet pipe 3. As the high-temperature gas continuously passes through the first graphite heat exchange block 10, it heats the first graphite heat exchange block 10. Then, it is discharged through the first high-temperature exhaust pipe 2. Next, the fluid medium to be heated enters the heat exchanger shell 1 through the first liquid inlet pipe 5. Under the action of gravity, the fluid medium continuously flows downward through the axial flow channel hole 10b to the first exhaust pipe 10a. The liquid is discharged through the pipe 6, thereby heating the fluid medium by the first graphite heat exchange block 10 to achieve heat exchange between the two media. The high-temperature gas (water vapor) passing through the first graphite heat exchange block 10 can minimize the clogging of the radial flow channel hole 10a. In addition, the fluid medium in the axial flow channel hole 10b is not easy to remain on the inner wall of the channel. Even if sedimentation occurs, it will fall into the first drain pipe 6 along with the axial flow channel hole 10b and will not remain on the inner wall of the channel. The radial flow channel hole 10a and the axial flow channel hole 10b are not interconnected.

[0025] Based on the above embodiments, further improvements are made:

[0026] like Figure 1 As shown, a first connecting component is provided at the connection between the heat exchanger shell 1 and the first liquid inlet pipe 5, and at the connection between the heat exchanger shell 1 and the first liquid outlet pipe 6. The first connecting component includes a first flange 7, a second flange 8, and a first fastener 9. The first flange 7 is connected to the first liquid inlet pipe 5, and the second flange 8 is connected to the heat exchanger shell 1. The first flange 7 and the second flange 8 are connected as one unit by the first fastener 9. The first flange 7 and the second flange 8 can be separated from each other by disassembling the corresponding fasteners. The first connecting component is designed to facilitate the disassembly and assembly of the first liquid outlet pipe 6 or the first liquid inlet pipe 5 from the heat exchanger shell 1. This disassembly and assembly method is also convenient for subsequent treatment of dirt retained in the first liquid outlet pipe 6.

[0027] As a preferred place, the first high-temperature gas inlet pipe 3 and the first high-temperature gas outlet pipe 2 are provided with high-temperature electromagnetic valves 4, and the high-temperature electromagnetic valves 4 are used to open and close the pipes.

[0028] As a preferred place, the first graphite heat exchange block 10 and the second graphite heat exchange block 11 are installed in the heat exchanger shell 1, and the second connecting piece 15 is arranged between the first graphite heat exchange block 10 and the second graphite heat exchange block 11. The second connecting piece 15 includes a third flange plate 152, a fourth flange plate 153, and a second fastener 151. The third flange plate 152 is connected to the bottom of the first graphite heat exchange block 10, the fourth flange plate 153 is connected to the top of the second graphite heat exchange block 11, and the third flange plate 152 and the fourth flange plate 153 are connected as a whole through the second fastener 151. The second connecting piece 15 is used to connect two adjacent graphite heat exchange blocks in the vertical stack of the graphite heat exchange blocks. Specifically, the third flange plate 152 and the fourth flange plate 153 can be disassembled and assembled through fastening to realize the connection between the two graphite heat exchange blocks.

[0029] As a preferred place, the first vertical baffle 12 is vertically installed on the front and rear sides of the first graphite heat exchange block 10, and the first vertical baffle 12 is seamlessly abutted on the inner wall of the heat exchanger shell 1. The first vertical baffle 12 is arranged to ensure that the upper and lower two graphite heat exchange blocks are aligned, and the upper and lower two axial flow channel holes 10b in the graphite heat exchange blocks are aligned.

[0030] As a preferred place, a plurality of annular baffles 14 are arranged on the inner wall of the heat exchanger shell 1, and the plurality of annular baffles 14 are staggered on the inner wall of the heat exchanger shell 1. The plurality of annular baffles 14 are arranged to constrain the high-temperature gas flow path, so that the high-temperature gas enters the plurality of graphite heat exchange blocks one by one, increases the high-temperature gas flow path, and increases the heat exchange interval of the plurality of graphite heat exchange blocks.

[0031] As a preferred place, the first channel 1a and the second channel 1b are arranged on the inner wall of the heat exchanger shell 1, the first high-temperature gas inlet pipe 3 is arranged in the first channel 1a, and the first high-temperature gas outlet pipe 2 is arranged in the second channel 1b. One high-temperature pipe (the first high-temperature gas inlet pipe 3 and the first high-temperature gas outlet pipe 2) is arranged in each of the two channels (the first channel 1a and the second channel 1b). Therefore, the two channels (the first channel 1a and the second channel 1b) can determine the installation position of the high-temperature pipe, and ensure that the high-temperature gas (water vapor) enters the first high-temperature gas inlet pipe 3 from below and is discharged from the first high-temperature gas outlet pipe 2 at a high position.

[0032] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several modifications and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. A corrosion-proof round block hole type graphite heat exchanger, characterized in that, The application relates to a heat exchanger, which comprises a heat exchanger shell (1), a first liquid inlet pipe (5) is arranged on the top of the heat exchanger shell (1), a first liquid outlet pipe (6) is arranged on the bottom of the heat exchanger shell (1) and communicates with the first liquid inlet pipe (5), a first high-temperature gas inlet pipe (3) is arranged on the lower end of the side of the heat exchanger shell (1), a first high-temperature gas outlet pipe (2) is arranged on the upper end of the side of the heat exchanger shell (1), a plurality of first graphite heat exchange blocks (10) are stacked in the heat exchanger shell (1) from bottom to top, a radial flow channel hole (10a) and an axial flow channel hole (10b) are arranged on the first graphite heat exchange block (10), the two ends of the radial flow channel hole (10a) respectively communicate with the first high-temperature gas inlet pipe (3) and the first high-temperature gas outlet pipe (2), and the two ends of the axial flow channel hole (10b) respectively communicate with the first liquid inlet pipe (5) and the first liquid outlet pipe (6).

2. A corrosion-proof round block hole-type graphite heat exchanger according to claim 1, characterized in that, First connecting components are arranged between the heat exchanger shell (1) and the first liquid inlet pipe (5) and between the heat exchanger shell (1) and the first liquid outlet pipe (6), the first connecting components comprise a first flange plate (7), a second flange plate (8) and a first fastener (9), the first flange plate (7) is connected with the first liquid inlet pipe (5), the second flange plate (8) is connected with the heat exchanger shell (1), and the first flange plate (7) and the second flange plate (8) are connected into an integrated whole through the first fastener (9).

3. The corrosion-proof round block hole type graphite heat exchanger according to claim 1, characterized in that, High-temperature electromagnetic valves (4) are arranged on the first high-temperature gas inlet pipe (3) and the first high-temperature gas outlet pipe (2).

4. The corrosion-proof round block hole type graphite heat exchanger according to claim 1, characterized in that, First graphite heat exchange blocks (10) and second graphite heat exchange blocks (11) are arranged in the heat exchanger shell (1), a second connecting piece (15) is arranged between the first graphite heat exchange blocks (10) and the second graphite heat exchange blocks (11), the second connecting piece (15) comprises a third flange plate (152), a fourth flange plate (153) and a second fastener (151), the third flange plate (152) is connected with the bottom of the first graphite heat exchange block (10), the fourth flange plate (153) is connected with the top of the second graphite heat exchange block (11), and the third flange plate (152) and the fourth flange plate (153) are connected into an integrated whole through the second fastener (151).

5. A corrosion-proof round block hole-type graphite heat exchanger according to claim 4, characterized in that, First vertical baffles (12) are vertically arranged on the front and back sides of the first graphite heat exchange block (10), and the first vertical baffles (12) are seamlessly abutted on the inner wall of the heat exchanger shell (1).

6. A corrosion resistant round block hole type graphite heat exchanger according to claim 1, characterized in that, A plurality of annular baffles (14) are arranged on the inner wall of the heat exchanger shell (1) and are staggered on the inner wall of the heat exchanger shell (1).

7. A corrosion resistant round block hole type graphite heat exchanger according to claim 1, characterized in that, First channels (1a) and second channels (1b) are arranged on the inner wall of the heat exchanger shell (1), the first high-temperature gas inlet pipe (3) is arranged in the first channel (1a), and the first high-temperature gas outlet pipe (2) is arranged in the second channel (1b).

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