Efficient heat exchange type graphite heat exchanger

Abstract

The utility model discloses an efficient heat exchange type graphite heat exchanger, and relates to the technical field of graphite heat exchangers. The heat exchanger comprises a heat exchange unit, the heat exchange unit comprises a heat exchange tube, a first filter unit is arranged on the left side of the top of the heat exchange tube, a second filter unit is arranged on the left side of the heat exchange unit, and sealing covers are arranged on the two sides of the heat exchange tube. A heating medium can be conveyed to the inner cavity of the first filter box through the conveying pipe, particle impurities in the heating medium can be intercepted when the heating medium passes through the first intercepting net, and fine impurities in the heating medium can be adsorbed by the first adsorption net, so that the cleanliness of the heating medium is ensured; the working medium can be conveyed to the inner cavity of the second filter box through the fixing pipe, particle impurities in the working medium can be intercepted when the working medium passes through the second interception net, fine impurities in the heating medium can be adsorbed through the second adsorption net, and then the working medium can be kept clean.

Description

Technical Field

[0001] The utility model belongs to the technical field of graphite heat exchangers, in particular to a high-efficiency heat-exchange type graphite heat exchanger. Background Art

[0002] Graphite heat exchanger is a heat exchanger whose heat transfer components are made of graphite. It is a heat exchange equipment used for high temperature, high pressure and corrosive media. It has good corrosion resistance and is mainly used in chlor-alkali chemical, petrochemical, fluoride salt and single crystal silicon fluorine chemical production industries.

[0003] When the graphite heat exchanger is exchanging heat, the working medium and the heating medium will enter the heat exchanger through the liquid inlet, the working medium will flow in the graphite tube, and the heating medium will flow on the surface of the graphite tube, and the heat in the heating medium will be transferred to the working medium through the graphite tube, so as to realize the heat exchange between the two media; however, during the heat exchange process, since the medium is not filtered when entering, the impurities in the medium will adhere to the surface and inner wall of the graphite tube, and will gradually accumulate and scale, and the scale will affect the flow of the medium in the later heat exchange, causing blockage, and the scale will affect the quality of heat conduction, thereby reducing its heat exchange efficiency.

[0004] To this end, we provide high-efficiency heat exchange graphite heat exchangers to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a high-efficiency heat exchange graphite heat exchanger. By coordinating the first filter unit and the second filter unit, the utility model solves the problem in the prior art that the medium is not filtered, and the impurities in the medium adhere to the surface and inner wall of the graphite tube and gradually accumulate to form scale. The scale will affect the flow of the medium during the subsequent heat exchange, causing blockage, and the scale will affect the quality of heat conduction, thereby reducing its heat exchange efficiency.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a high-efficiency heat exchange graphite heat exchanger, comprising a heat exchange unit, the heat exchange unit comprising a heat exchange tube, and a first filter unit is arranged on the left side of the top of the heat exchange tube, a second filter unit is arranged on the left side of the heat exchange unit, both sides of the heat exchange tube are provided with a cover, and the top of the left cover is connected with a first inlet pipe, the left side of the left cover is fixedly connected with a second inlet pipe, the second inlet pipe penetrates the cover and enters the inner cavity of the cover, the inner cavity of the heat exchange tube is provided with a graphite tube body, and the surface of the graphite tube body is fixedly connected with a baffle graphite plate;

[0008] The first filter unit comprises a first filter box, and the inner cavity of the first filter box is movably connected to a first sealing plate, the top of the first sealing plate is connected to a transmission pipe, and the upper end and the lower end of the inner cavity of the first filter box are respectively provided with a first interception net and a first adsorption net;

[0009] The second filter unit includes a second filter box, the left side of the second filter box is connected to a fixed pipe, the inner cavity of the second filter box is movably connected to a second sealing plate, and the left and right sides of the inner cavity of the second filter box are respectively provided with a second interception net and a second adsorption net.

[0010] The utility model is further configured such that the bottom of the first filter box is fixedly connected to the top of the first inlet pipe, and the first filter box and the first inlet pipe are communicated with each other, and the right side of the second filter box is fixedly connected to the second inlet pipe, and the second filter box and the second inlet pipe are communicated with each other.

[0011] The utility model is further configured that a first outlet pipe is fixedly connected to the right side of the right cover, and a left end of the first outlet pipe extends to the inner cavity of the right cover, and a second outlet pipe is connected to the bottom of the right cover.

[0012] The utility model is further configured such that both ends of the surface of the graphite tube body are fixedly connected with sealing sleeves, the two ends of the graphite tube body respectively extend to the inner cavities of the second inlet pipe and the first outlet pipe, and are movably connected to the inner cavities of the second inlet pipe and the first outlet pipe, and the side of the sealing sleeve away from the graphite tube body is in contact with the inner walls of the second inlet pipe and the first outlet pipe respectively.

[0013] The utility model is further configured such that the surface of the baffle graphite plate is fixedly connected to the inner wall of the heat exchange tube, and both sides of the bottom of the heat exchange tube are fixedly connected with support seats.

[0014] The utility model is further configured such that first sealing plates are fixedly connected to both sides of the first sealing plate, both sides of the first interception net and the first adsorption net are fixedly connected to the first clamping plates, first clamping grooves are opened on both sides of the inner cavity of the first filter box, and the bottom of the first clamping plate extends to the inner cavity of the first clamping groove and is movably connected to the inner cavity of the first clamping groove.

[0015] The utility model is further configured such that the front and back sides of the second sealing plate are fixedly connected with second clamping plates, the front and back sides of the second intercepting net and the second adsorption net are fixedly connected with the second clamping plates, the front and back sides of the inner cavity of the second filter box are provided with second clamping grooves, and the bottom of the second clamping plate extends to the inner cavity of the second clamping groove and is movably connected with the inner cavity of the second clamping groove.

[0016] The utility model is further configured such that both ends of the heat exchange tube are fixedly connected with a first connecting plate, one side of the cover is fixedly connected with a second connecting plate, a sealing gasket is movably connected between the second connecting plate and the first connecting plate, and the first connecting plate, the sealing gasket and the second connecting plate are fixedly connected by bolts.

[0017] The utility model has the following beneficial effects:

[0018] 1. The utility model can transmit the working medium to the inner cavity of the graphite tube body through the second inlet pipe, and the first inlet pipe can transmit the heating medium to the inner cavity of the heat exchange tube. The heating medium can flow on the surface of the graphite tube body through the deflection of the baffle graphite plate. Since the graphite tube body has good thermal conductivity, the graphite tube body can quickly conduct the heat in the heating medium to the working medium inside the graphite tube body, thereby realizing rapid heat exchange.

[0019] 2. The utility model can transmit the heating medium to the inner cavity of the first filter box through the transmission pipe, and the particulate impurities inside the heating medium can be intercepted when the heating medium passes through the first interception net, and the first adsorption net can adsorb the fine impurities in the heating medium, thereby ensuring the cleanliness of the heating medium, and the first filter box can transmit the cleaned heating medium to the inside of the first inlet pipe, and the working medium can be transmitted to the inner cavity of the second filter box through the fixed pipe, and the particulate impurities inside can be intercepted when the heating medium passes through the second interception net, and the second adsorption net can adsorb the fine impurities in the heating medium, thereby keeping the working medium clean, and the second filter box can transmit the cleaned working medium to the inside of the second inlet pipe.

[0020] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a structural schematic diagram of a high-efficiency graphite heat exchanger.

[0023] Figure 2 It is a structural schematic diagram of the cross-sectional state of the heat exchange tube in a high-efficiency heat exchange graphite heat exchanger.

[0024] Figure 3 It is a structural schematic diagram of the first filter box and the first sealing plate in the high-efficiency heat exchange type graphite heat exchanger in the separated state.

[0025] Figure 4 It is a structural schematic diagram of the second filter box and the second sealing plate in the high-efficiency heat exchange type graphite heat exchanger in the separated state.

[0026] Figure 5 for Figure 1 Schematic diagram of the structure with a partial enlargement at point A in the middle.

[0027] In the accompanying drawings: 1. heat exchange unit; 11. heat exchange tube; 111. support seat; 112. first connecting plate; 12. sealing cover; 121. second connecting plate; 122. sealing gasket; 13. first inlet pipe; 14. second inlet pipe; 15. first outlet pipe; 16. second outlet pipe; 17. graphite tube body; 171. sealing sleeve; 18. baffle graphite plate; 2. first filter unit; 21. first filter box; 211. first slot; 22. first sealing plate; 221. first clip; 23. transmission pipe; 24. first interception net; 25. first adsorption net; 3. second filter unit; 31. second filter box; 311. second slot; 32. fixing pipe; 33. second sealing plate; 331. second clip; 34. second interception net; 35. second adsorption net. DETAILED DESCRIPTION

[0028] 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. Specific embodiment 1

[0030] See also Figure 1-5 The utility model is a high-efficiency heat exchange graphite heat exchanger, comprising a heat exchange unit 1, the heat exchange unit 1 comprising a heat exchange tube 11, and a first filter unit 2 is arranged on the left side of the top of the heat exchange tube 11, a second filter unit 3 is arranged on the left side of the heat exchange unit 1, covers 12 are arranged on both sides of the heat exchange tube 11, and the top of the left cover 12 is connected with a first inlet pipe 13, and the left side of the left cover 12 is fixedly connected with a second inlet pipe 14, the second inlet pipe 14 penetrates the cover 12 and enters the inner cavity of the cover 12, the inner cavity of the heat exchange tube 11 is provided with a graphite tube body 17, and the surface of the graphite tube body 17 is fixedly connected with a baffle graphite plate 18;

[0031] The first filter unit 2 includes a first filter box 21, and the inner cavity of the first filter box 21 is movably connected to a first sealing plate 22, the top of the first sealing plate 22 is connected to a transmission pipe 23, and the upper end and the lower end of the inner cavity of the first filter box 21 are respectively provided with a first interception net 24 and a first adsorption net 25;

[0032] The second filter unit 3 comprises a second filter box 31, the left side of which is connected to a fixed pipe 32, the inner cavity of the second filter box 31 is movably connected to a second sealing plate 33, and the left and right sides of the inner cavity of the second filter box 31 are respectively provided with a second interception net 34 and a second adsorption net 35.

[0033] Specifically: the working medium can be transmitted to the inner cavity of the graphite tube body 17 through the second inlet pipe 14, and the first inlet pipe 13 can transmit the heating medium to the inner cavity of the heat exchange tube 11. The heating medium can flow on the surface of the graphite tube body 17 through the deflection of the deflection graphite plate 18. Since the graphite tube body 17 has good thermal conductivity, the graphite tube body 17 can quickly conduct the heat in the heating medium to the working medium inside the graphite tube body 17, thereby realizing rapid heat exchange. The heating medium can be transmitted to the inner cavity of the first filter box 21 through the transmission pipe 23, and the heating medium can pass through the first interception net 24. The particulate impurities inside it can be intercepted, and the first adsorption net 25 can adsorb the fine impurities in the heating medium, thereby ensuring the cleanliness of the heating medium, and the first filter box 21 can transmit the cleaned heating medium to the inside of the first inlet pipe 13, and the working medium can be transmitted to the inner cavity of the second filter box 31 through the fixed pipe 32, and the particulate impurities inside it can be intercepted when passing through the second interception net 34, and the second adsorption net 35 can adsorb the fine impurities in the heating medium, thereby keeping the working medium clean, and the second filter box 31 can transmit the cleaned working medium to the inside of the second inlet pipe 14. Specific embodiment 2

[0035] See also Figure 1-2 On the basis of the specific embodiment 1, the bottom of the first filter box 21 is fixedly connected to the top of the first inlet pipe 13, and the first filter box 21 and the first inlet pipe 13 are connected, the right side of the second filter box 31 is fixedly connected to the second inlet pipe 14, and the second filter box 31 and the second inlet pipe 14 are connected; the right side of the right cover 12 is fixedly connected with the first outlet pipe 15, and the left end of the first outlet pipe 15 extends to the inner cavity of the right cover 12, and the bottom of the right cover 12 is connected with the second outlet pipe 16; Both ends of the surface of the graphite tube body 17 are fixedly connected with sealing sleeves 171, and both ends of the graphite tube body 17 extend to the inner cavities of the second inlet tube 14 and the first outlet tube 15 respectively, and are movably connected with the inner cavities of the second inlet tube 14 and the first outlet tube 15, and the side of the sealing sleeve 171 away from the graphite tube body 17 is in contact with the inner walls of the second inlet tube 14 and the first outlet tube 15 respectively; the surface of the baffle graphite plate 18 is fixedly connected to the inner wall of the heat exchange tube 11, and the two sides of the bottom of the heat exchange tube 11 are fixedly connected with support seats 111.

[0036] Specifically: the heating medium after heat exchange can be discharged through the second outlet pipe 16, the working medium after heat exchange can be discharged through the first outlet pipe 15, and the two ends of the graphite tube body 17 enter the second inlet pipe 14 and the first outlet pipe 15 respectively, so that the connection between the graphite tube body 17 and the second inlet pipe 14 and the first outlet pipe 15 can be achieved, and the sealing sleeve 171 can ensure the sealing of the connection between the graphite tube body 17 and the second inlet pipe 14 and the first outlet pipe 15; the support seat 111 can well support the heat exchange tube 11 to ensure the stability of the heat exchange tube 11. Specific embodiment three

[0038] See also Figure 3-5 On the basis of the specific embodiment 1 and the specific embodiment 2, both sides of the first sealing plate 22 are fixedly connected with the first clamping plate 221, both sides of the first interception net 24 and the first adsorption net 25 are fixedly connected with the first clamping plate 221, both sides of the inner cavity of the first filter box 21 are provided with a first clamping groove 211, the bottom of the first clamping plate 221 extends to the inner cavity of the first clamping groove 211, and is movably connected with the inner cavity of the first clamping groove 211; the front and back sides of the second sealing plate 33 are fixedly connected with the second clamping plate 331, the front and back sides of the second interception net 34 and the second adsorption net 35 are fixedly connected with the first clamping plate 221, and the first clamping groove 211 is provided with the first clamping groove 211. The second clamping plate 331 is fixedly connected, and the front and back sides of the inner cavity of the second filter box 31 are provided with second clamping grooves 311. The bottom of the second clamping plate 331 extends to the inner cavity of the second clamping groove 311 and is movably connected to the inner cavity of the second clamping groove 311; both ends of the heat exchange tube 11 are fixedly connected to the first connecting plate 112, one side of the cover 12 is fixedly connected to the second connecting plate 121, and a sealing gasket 122 is movably connected between the second connecting plate 121 and the first connecting plate 112, and the first connecting plate 112, the sealing gasket 122 and the second connecting plate 121 are fixedly connected by bolts.

[0039] Specifically: the first sealing plate 22 drives the first clamping plate 221 into the inner cavity of the first clamping groove 211, so as to limit the connection between the first sealing plate 22 and the first filter box 21, and at the same time, the first sealing plate 22 and the first filter box 21 can be clamped to ensure the stability of the connection; the second sealing plate 33 drives the second clamping plate 331 into the inner cavity of the second clamping groove 311, so as to achieve the clamping of the second sealing plate 33 and the second filter box 31, and prevent the second sealing plate 33 and the second filter box 31 from being misaligned; the first connecting plate 112, the sealing gasket 122 and the second connecting plate 121 are fixed by bolts, thereby ensuring the stability of the connection, and at the same time, ensuring the firmness of the connection between the heat exchange tube 11 and the cover 12, and the sealing gasket 122 can ensure the sealing between the heat exchange tube 11 and the cover 12.

[0040] The working principle of the utility model is as follows: first, the heating medium enters the inner cavity of the transmission pipe 23, and the heating medium can be transmitted to the inner cavity of the first filter box 21 through the transmission pipe 23, and the particulate impurities inside the heating medium can be intercepted when the heating medium passes through the first interception net 24, and the first adsorption net 25 can adsorb the fine impurities in the heating medium, thereby ensuring the cleanliness of the heating medium, and the first filter box 21 can transmit the cleaned heating medium to the inside of the first inlet pipe 13, and the first inlet pipe 13 can transmit the heating medium to the inner cavity of the heat exchange tube 11, and at the same time, the working medium enters the inner cavity of the fixed pipe 32, and the working medium can be transmitted to the inner cavity of the second filter box 31 through the fixed pipe 32, and the particulate impurities inside can be intercepted when the heating medium passes through the second interception net 34, and the second adsorption net 35 can The fine impurities in the heating medium are adsorbed, so that the working medium can be kept clean, and the second filter box 31 can transfer the cleaned working medium to the second inlet pipe 14, and the second inlet pipe 14 can transfer the cleaned working medium to the inner cavity of the graphite tube body 17, and then the heating medium in the heat exchange tube 11 is deflected by the deflection graphite plate 18 to flow along the surface of the graphite tube body 17. Since the graphite tube body 17 has good thermal conductivity, the graphite tube body 17 can quickly transfer the heat in the heating medium to the working medium inside the graphite tube body 17, thereby realizing rapid heat exchange. After the heat exchange is completed, the heating medium will be discharged through the second outlet pipe 16, and the working medium will enter the inner cavity of the first outlet pipe 15 and be discharged through the first outlet pipe 15.

[0041] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all details in detail, nor do they limit the utility model to only the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A high-efficiency heat exchange graphite heat exchanger, comprising a heat exchange unit (1), characterized in that: The heat exchange unit (1) comprises a heat exchange tube (11), and a first filter unit (2) is arranged on the left side of the top of the heat exchange tube (11), and a second filter unit (3) is arranged on the left side of the heat exchange unit (1), and covers (12) are arranged on both sides of the heat exchange tube (11), and the top of the cover (12) on the left side is connected to a first inlet pipe (13), and the left side of the cover (12) on the left side is fixedly connected to a second inlet pipe (14), and the second inlet pipe (14) passes through the cover (12) and enters the inner cavity of the cover (12), and a graphite tube body (17) is arranged in the inner cavity of the heat exchange tube (11), and a baffle graphite plate (18) is fixedly connected to the surface of the graphite tube body (17); The first filter unit (2) comprises a first filter box (21), and the inner cavity of the first filter box (21) is movably connected to a first sealing plate (22), the top of the first sealing plate (22) is connected to a transmission pipe (23), and the upper end and the lower end of the inner cavity of the first filter box (21) are respectively provided with a first interception net (24) and a first adsorption net (25); The second filter unit (3) comprises a second filter box (31), the left side of the second filter box (31) is connected to a fixed pipe (32), the inner cavity of the second filter box (31) is movably connected to a second sealing plate (33), and the left and right sides of the inner cavity of the second filter box (31) are respectively provided with a second interception net (34) and a second adsorption net (35).

2. The high-efficiency heat exchange graphite heat exchanger according to claim 1 is characterized in that: The bottom of the first filter box (21) is fixedly connected to the top of the first inlet pipe (13), and the first filter box (21) and the first inlet pipe (13) are communicated with each other; the right side of the second filter box (31) is fixedly connected to the second inlet pipe (14), and the second filter box (31) and the second inlet pipe (14) are communicated with each other.

3. The high-efficiency heat exchange graphite heat exchanger according to claim 1 is characterized in that: The right side of the right cover (12) is fixedly connected with a first outlet pipe (15), and the left end of the first outlet pipe (15) extends to the inner cavity of the right cover (12), and the bottom of the right cover (12) is connected with a second outlet pipe (16).

4. The high-efficiency heat exchange graphite heat exchanger according to claim 1 is characterized in that: Both ends of the surface of the graphite tube body (17) are fixedly connected with sealing sleeves (171), and the two ends of the graphite tube body (17) respectively extend to the inner cavities of the second inlet tube (14) and the first outlet tube (15), and are movably connected to the inner cavities of the second inlet tube (14) and the first outlet tube (15), and the side of the sealing sleeve (171) away from the graphite tube body (17) is in contact with the inner walls of the second inlet tube (14) and the first outlet tube (15).

5. The high-efficiency heat exchange graphite heat exchanger according to claim 1 is characterized in that: The surface of the baffle graphite plate (18) is fixedly connected to the inner wall of the heat exchange tube (11), and support seats (111) are fixedly connected to both sides of the bottom of the heat exchange tube (11).

6. The high-efficiency heat exchange graphite heat exchanger according to claim 1, characterized in that: Both sides of the first sealing plate (22) are fixedly connected to first clamping plates (221); both sides of the first intercepting net (24) and the first adsorption net (25) are fixedly connected to the first clamping plates (221); both sides of the inner cavity of the first filter box (21) are provided with first clamping grooves (211); the bottom of the first clamping plate (221) extends to the inner cavity of the first clamping groove (211) and is movably connected to the inner cavity of the first clamping groove (211).

7. The high-efficiency heat exchange graphite heat exchanger according to claim 1 is characterized in that: The front and back sides of the second sealing plate (33) are fixedly connected to a second clamping plate (331); the front and back sides of the second intercepting net (34) and the second adsorption net (35) are fixedly connected to the second clamping plate (331); the front and back sides of the inner cavity of the second filter box (31) are provided with a second clamping groove (311); the bottom of the second clamping plate (331) extends to the inner cavity of the second clamping groove (311) and is movably connected to the inner cavity of the second clamping groove (311).

8. The high-efficiency heat exchange graphite heat exchanger according to claim 1 is characterized in that: Both ends of the heat exchange tube (11) are fixedly connected to a first connection plate (112); one side of the cover (12) is fixedly connected to a second connection plate (121); a sealing gasket (122) is movably connected between the second connection plate (121) and the first connection plate (112); and the first connection plate (112), the sealing gasket (122) and the second connection plate (121) are fixedly connected by bolts.

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