CN215413294U - Graphite heat exchanger for microreactor - Google Patents
Graphite heat exchanger for microreactor Download PDFInfo
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- CN215413294U CN215413294U CN202120280617.9U CN202120280617U CN215413294U CN 215413294 U CN215413294 U CN 215413294U CN 202120280617 U CN202120280617 U CN 202120280617U CN 215413294 U CN215413294 U CN 215413294U
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Abstract
The utility model relates to a graphite heat exchanger for a microreactor, which comprises a heat exchanger body, wherein the heat exchanger body comprises a feeding area, a first heat exchange area, a second heat exchange area and a discharging area which are arranged from top to bottom, a feeding hole is formed above the feeding area, a first ultrasonic device is arranged on a shell of the feeding area, a discharging hole is formed below the discharging area, a first water inlet is formed above a left shell of the first heat exchange area, a first water outlet is formed below the right shell of the first heat exchange area, a second ultrasonic device is symmetrically arranged on the shell of the first heat exchange area, a second water inlet is formed above a left shell of the second heat exchange area, a second water outlet is formed below the right shell of the second heat exchange area, the second water outlet is connected with a second pipeline, water flows into a circulating water tank, the first water outlet is connected with the second pipeline through the first pipeline, and a third ultrasonic device is symmetrically arranged on the shell of the second heat exchange area.
Description
Technical Field
The utility model relates to the technical field of graphite heat exchangers, in particular to a graphite heat exchanger for a microreactor.
Background
The graphite heat exchanger is a heat exchanger made of graphite for a heat transfer assembly, and the working principle of the graphite heat exchanger is as follows: according to the acid corrosion resistance and good heat conduction performance of graphite, a flow guide device is made of graphite, when two media pass through each other, the high-temperature medium continuously transmits heat to the graphite heat exchanger, and the low-temperature medium continuously obtains heat from the heat exchanger, so that heat exchange is realized. The traditional graphite heat exchanger can be divided into 3 types of block hole type, shell and tube type and plate type according to the structure. Block hole type: is assembled by a plurality of block-shaped graphite components with holes. Shell-and-tube type: the shell-and-tube heat exchanger plays an important role in the graphite heat exchanger and is divided into a fixed type and a floating head type according to the structure. The block-hole type and the shell-and-tube type have good and bad heat exchange performance, like the block-hole type, the block-hole type heat exchange plate has the advantages of high structural strength and safe heat exchange, and has the defects that a large number of block-hole type heat exchange blocks are needed to be spliced to form a heat exchange core body, the graphite usage amount is large, the cost is high, the interval between a cooling medium channel and a high-temperature acid liquid channel is large, and the cooling effect is not good; the shell-and-tube type graphite tube has the advantages that the graphite tube is directly contacted with a cooling medium, the heat exchange area is large, the heat exchange effect is good, the graphite usage amount is small, and the defects that the structural strength is low and the graphite tube is easy to damage are overcome.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the prior art, the utility model provides a graphite heat exchanger for a microreactor, which solves the technical problems.
The technical problem solved by the utility model can be realized by adopting the following technical scheme:
a graphite heat exchanger for a microreactor comprises a heat exchanger body 1, wherein the heat exchanger body comprises a feeding area 24, a first heat exchange area 11, a second heat exchange area 12 and a discharging area 27 which are arranged from top to bottom, a feeding hole 2 is arranged above the feeding area, a first ultrasonic device 8 is arranged on a shell of the feeding area, a discharging hole 3 is arranged below the discharging area, a first water inlet 4 is arranged above a left shell of the first heat exchange area, a first water outlet 6 is arranged below the right side of the first heat exchange area, second ultrasonic devices 9 are symmetrically arranged on the shell of the first heat exchange device, a second water inlet 5 is arranged above a left shell of the second heat exchange area, a second water outlet 7 is arranged below the right side of the second heat exchange area, the second water outlet is connected with a second pipeline 18 and flows water into a circulating water tank 19, the first water outlet is connected with the second pipeline 18 through a first pipeline 17, and a third ultrasonic device 10 is symmetrically arranged on the shell of the second heat exchange zone.
Further, first water inlet is provided with first solenoid valve, first water inlet is connected with circulating water tank's delivery port through the connecting tube, the second water inlet is provided with the second solenoid valve, the second water inlet is connected with circulating water tank's delivery port 21 through the connecting tube, be provided with first filter screen between first water inlet and the first solenoid valve, be provided with the second filter screen between second water inlet and the second solenoid valve.
Furthermore, a first one-way electromagnetic valve is arranged between the first water outlet and the first pipeline, and a second one-way electromagnetic valve is arranged between the second water outlet and the second pipeline.
Further, a liquid level meter 20 is arranged in the circulating water tank, a water filtering device 22 is arranged in the circulating water tank, and a water replenishing port 30 is arranged above the circulating water tank.
Further, first heat transfer district includes first graphite piece 13, be provided with vertical through-hole and horizontal water hole 14 on the first graphite piece, vertical through-hole below is connected by first graphite tubulation 15, set up to the bellows on the first graphite tubulation.
Further, the second heat exchange area comprises a second graphite block 25, a second graphite array tube 16 and a third graphite block 26, the second graphite array tube is fixedly arranged between the second graphite block and the third graphite block, vertical graphite through holes are uniformly distributed in the second graphite block and the third graphite block, the positions and the sizes of the vertical graphite through holes are consistent with the positions and the sizes of the vertical through holes in the first graphite block, a transverse hole 29 is further arranged in the second graphite block, and the first graphite array tube is fixedly arranged between the second graphite block and the first graphite block.
Compared with the prior art, the utility model has the beneficial effects that:
1. the shell is provided with the upper heat exchange graphite block and the lower heat exchange graphite block, and the graphite vertical tube is arranged between the upper heat exchange graphite block and the lower heat exchange graphite block, so that the structural strength of the heat exchange core body is improved, and the heat exchange is safer;
2. according to the utility model, the first graphite block is provided with the transverse water hole, the second graphite block is provided with the transverse hole, the shell on the left side edge of the first graphite block and the shell on the left side edge of the second graphite block are provided with the water inlets, the water outlets are arranged above the second graphite block and the third graphite block, cooling water flows into the transverse hole through the water inlets during heat exchange and flows to the periphery of the vertical graphite pipes from the periphery of the graphite blocks respectively to be in large-area contact with the vertical graphite pipes, so that the heat exchange effect is enhanced, the heat exchange efficiency is improved, and finally the cooling water flows out of the shell through the water outlet hole, so that the heat exchange is realized, the heat exchange efficiency is high, and the heat exchange effect is good;
3. by arranging the ultrasonic device, ultrasonic waves can be automatically sent to the interior of the graphite heat exchanger according to the set frequency to wash and clean the interior of the internal graphite heat exchanger, so that scaling is not easy to generate even if the heat exchanger works for a long time.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are used only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, a graphite heat exchanger for a microreactor comprises a heat exchanger body 1, wherein the heat exchanger body comprises a feeding region 24, a first heat exchange region 11, a second heat exchange region 12 and a discharging region 27 which are arranged from top to bottom, a feeding hole 2 is arranged above the feeding region, and a feeding electromagnetic valve is arranged on the feeding hole. And a first ultrasonic device 8 is arranged on the shell of the feeding area, and the number of the first ultrasonic devices is 1. And a discharge port 3 is arranged below the discharge area, and a discharge electromagnetic valve is arranged at the discharge port. A first water inlet 4 is formed in the upper portion of a left side shell of the first heat exchange area, a first water outlet 6 is formed in the lower portion of the right side of the left side shell of the first heat exchange area, second ultrasonic devices 9 are symmetrically arranged on the shell of the first heat exchange device, and the number of the second ultrasonic devices is 2, and the second ultrasonic devices are arranged on the shell of the first heat exchange area. A second water inlet 5 is formed in the upper portion of the left side shell of the second heat exchange area, a second water outlet 7 is formed in the lower portion of the right side of the left side shell of the second heat exchange area, the second water outlet is connected with a second pipeline 18 and enables water to flow into a circulating water tank 19, the first water outlet is connected with the second pipeline 18 through a first pipeline 17, third ultrasonic devices 10 are symmetrically arranged on the shell of the second heat exchange area, the number of the third ultrasonic devices is 4, and the 4 ultrasonic devices are symmetrically arranged in the second heat exchange area.
The ultrasonic device comprises the ultrasonic generator, the ultrasonic generator can automatically send ultrasonic waves into the graphite heat exchanger according to set frequency, the internal graphite heat exchanger is washed and cleaned, and scaling is not easy to generate even if the heat exchanger works for a long time.
Further, first water inlet is provided with first solenoid valve, first water inlet is connected with circulating water tank's delivery port through the connecting tube, the second water inlet is provided with the second solenoid valve, the second water inlet is connected with circulating water tank's delivery port 21 through the connecting tube, be provided with first filter screen between first water inlet and the first solenoid valve, be provided with the second filter screen between second water inlet and the second solenoid valve.
Furthermore, a first one-way electromagnetic valve is arranged between the first water outlet and the first pipeline, and a second one-way electromagnetic valve is arranged between the second water outlet and the second pipeline.
Further, a liquid level meter 20 is arranged in the circulating water tank, a water filtering device 22 is arranged in the circulating water tank, and a water replenishing port 30 is arranged above the circulating water tank.
Further, first heat transfer district includes first graphite piece 13, be provided with vertical through-hole and horizontal water hole 14 on the first graphite piece, the horizontal water hole below that first graphite piece and casing contacted is provided with the recess for the aqueous medium that flows carries out the heat transfer to the graphite tubulation. The vertical through hole below is connected by first graphite tubulation 15, set up to the bellows on the first graphite tubulation, adopt graphite bellows to have acid corrosion resistance nature and good heat conductivility, and increased heat transfer area to make the heat transfer effect improve.
Further, the second heat exchange area comprises a second graphite block 25, a second graphite row tube 16 and a third graphite block 26, the second graphite row tube is fixedly arranged between the second graphite block and the third graphite block, vertical graphite through holes are uniformly distributed in the second graphite block and the third graphite block, the positions and the sizes of the vertical graphite through holes are consistent with those of the vertical through holes in the first graphite block, a transverse hole 29 is further formed in the second graphite block, and a groove is formed below the transverse hole, which is in contact with the shell, of the second graphite block and used for heat exchange of the graphite row tube by an outflow water medium. The first graphite tube is fixedly arranged between the second graphite block and the first graphite block. During the use, the material gets into from the feed inlet, flows into first graphite tubulation from first graphite block and then gets into second graphite block, second graphite tubulation, third graphite block and flows out from the discharge gate. After the materials enter, the electromagnetic valve of the water inlet is opened, and the water medium enters the heat exchange area to exchange heat.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. A graphite heat exchanger for a microreactor is characterized in that: comprises a heat exchanger body (1), the heat exchanger body comprises a feeding area (24), a first heat exchange area (11), a second heat exchange area (12) and a discharging area (27) which are arranged from top to bottom, a feeding hole (2) is arranged above the feeding area, a first ultrasonic device (8) is arranged on a shell of the feeding area, a discharging hole (3) is arranged below the discharging area, a first water inlet (4) is arranged above a left shell of the first heat exchange area, a first water outlet (6) is arranged below the right side, second ultrasonic devices (9) are symmetrically arranged on the shell of the first heat exchange device, a second water inlet (5) is arranged above a left shell of the second heat exchange area, a second water outlet (7) is arranged below the right side, the second water outlet is connected with a second pipeline (18) and flows water into a circulating water tank (19), the first water outlet is connected with a second pipeline (18) through a first pipeline (17), and a shell of the second heat exchange area is symmetrically provided with third ultrasonic devices (10).
2. The graphite heat exchanger for the microreactor according to claim 1, characterized in that: the first water inlet is provided with a first electromagnetic valve, the first water inlet is connected with a water outlet of the circulating water tank through a connecting pipeline, the second water inlet is provided with a second electromagnetic valve, the second water inlet is connected with a water outlet (21) of the circulating water tank through a connecting pipeline, a first filter screen is arranged between the first water inlet and the first electromagnetic valve, and a second filter screen is arranged between the second water inlet and the second electromagnetic valve.
3. The graphite heat exchanger for the microreactor according to claim 1, characterized in that: a first one-way electromagnetic valve is arranged between the first water outlet and the first pipeline, and a second one-way electromagnetic valve is arranged between the second water outlet and the second pipeline.
4. The graphite heat exchanger for the microreactor according to claim 1, characterized in that: a liquid level meter (20) is arranged in the circulating water tank, a water filtering device (22) is arranged in the circulating water tank, and a water replenishing port (30) is arranged above the circulating water tank.
5. The graphite heat exchanger for the microreactor according to claim 1, characterized in that: the first heat exchange area comprises a first graphite block (13), vertical through holes and transverse water holes (14) are formed in the first graphite block, a first graphite array tube (15) is connected to the lower portion of each vertical through hole, and a corrugated tube is arranged on each first graphite array tube.
6. The graphite heat exchanger for the microreactor according to claim 1, characterized in that: the second heat exchange area comprises a second graphite block (25), a second graphite tube (16) and a third graphite block (26), the second graphite tube is fixedly arranged between the second graphite block and the third graphite block, vertical graphite through holes are uniformly distributed in the second graphite block and the third graphite block, the positions and the sizes of the vertical graphite through holes are consistent with the positions and the sizes of the vertical through holes in the first graphite block, transverse holes (29) are further arranged in the second graphite block, and the first graphite tube is fixedly arranged between the second graphite block and the first graphite block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120280617.9U CN215413294U (en) | 2021-02-01 | 2021-02-01 | Graphite heat exchanger for microreactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120280617.9U CN215413294U (en) | 2021-02-01 | 2021-02-01 | Graphite heat exchanger for microreactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215413294U true CN215413294U (en) | 2022-01-04 |
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ID=79666137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120280617.9U Active CN215413294U (en) | 2021-02-01 | 2021-02-01 | Graphite heat exchanger for microreactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215413294U (en) |
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2021
- 2021-02-01 CN CN202120280617.9U patent/CN215413294U/en active Active
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