Efficient heat exchanger for chemical industry

Abstract

The invention relates to the technical field of heat exchangers, and particularly discloses an efficient chemical heat exchanger which comprises a heat exchanger body and further comprises a heat preservation mechanism, the heat preservation mechanism is installed on the outer side of the heat exchanger body, and the heat preservation mechanism controls the flow direction of water and switches to introduce cold water or conduct preheating and heat preservation on the heat exchanger body. The heat exchanger at least has the following beneficial effects that by arranging the heat preservation mechanism and the timing mechanism, before the heat exchanger body is used, introduced cold water can be guided into the timing mechanism and then conveyed into the heat preservation mechanism, the introduced cold water is driven by water flowing to be sequentially controlled and heated in a timing mode, and therefore heating is conducted in sequence; the heat exchanger body can be sequentially heated and subjected to heat preservation, then cold air is driven out, the heat exchanger body is gradually heated, finally, the possibility of damage to the heat exchanger body is reduced, and the normal service life of the heat exchanger body is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of heat exchangers, and particularly to a high-efficiency chemical industry heat exchanger. Background Technique

[0002] In chemical production work, various types of heat exchangers are required. Different types of heat exchangers have different applicable scenarios and effects. Among them, the shell-and-tube heat exchanger is one of the most widely used heat exchangers in chemical production. However, when used in a relatively cold environment in northern China, due to the low temperature, the shell-and-tube heat exchanger is not efficient during use, which affects the progress of chemical production. Moreover, when in a low-temperature environment for a long time, if hot water is directly introduced for heat exchange work, the shell-and-tube heat exchanger will be damaged due to thermal expansion and contraction, affecting its service life. Therefore, we propose a high-efficiency chemical industry heat exchanger. Summary of the Invention

[0003] The purpose of the present invention is to provide a high-efficiency chemical industry heat exchanger to solve the problems mentioned in the above background technique. That is, when used in a relatively cold environment in northern China, due to the low temperature, the shell-and-tube heat exchanger is not efficient during use, which affects the progress of chemical production. Moreover, when in a low-temperature environment for a long time, if hot water is directly introduced for heat exchange work, the shell-and-tube heat exchanger will be damaged due to thermal expansion and contraction, affecting its service life.

[0004] To achieve the above purpose, the present invention provides the following technical solution: A high-efficiency chemical industry heat exchanger, including: a heat exchanger body, It further includes: a heat preservation mechanism, which is installed on the outside of the heat exchanger body. The heat preservation mechanism switches to introduce cold water or preheat and keep warm the heat exchanger body by controlling the flow direction of water; A timing mechanism, which is installed between the heat exchanger body and the heat preservation mechanism. The timing mechanism drives and controls the heat preservation mechanism to carry out sequential heating and heat preservation through water flow; A temperature measuring mechanism, which is installed between the heat exchanger body and the timing mechanism. The temperature measuring mechanism can detect the water temperature at the end of the timing mechanism.

[0005] Among them, the heat preservation mechanism includes a plurality of heat preservation water tanks installed on the outside of the heat exchanger body. A spiral tube is fixedly connected between every two heat preservation water tanks. First solenoid valves are installed at the cold water inlet and outlet of the heat exchanger body. A three-way pipe is installed on the top of both first solenoid valves. A second solenoid valve is installed on one side of the three-way pipe. A plurality of first heat conduction sheets are fixedly connected at equal intervals inside the plurality of heat preservation water tanks. An electric heating plate is fixedly connected to the bottom of the first heat conduction sheet.

[0006] Among them, the timing mechanism includes a protection box fixedly connected to the outer side of the heat exchanger body. A first water pipe is fixedly connected inside the protection box. A water wheel is rotatably connected inside the first water pipe. A first bevel gear is fixedly connected to one side of the water wheel.

[0007] Among them, a first support plate is fixedly connected to the inner side of the protection box. A first rotating shaft is rotatably connected inside the first support plate. Second bevel gears are fixedly connected to both the top and bottom of the first rotating shaft. One of the second bevel gears is meshed and connected with the first bevel gear. A third bevel gear is meshed and connected to one side of the other second bevel gear. The third bevel gear is rotatably connected to the protection box. A small gear is fixedly connected to one side of the third bevel gear. A large gear is meshed and connected to one side of the small gear.

[0008] Among them, a fixed disk is rotatably connected to one side of the large gear. The fixed disk is fixedly connected to the protection box. A first electromagnet is fixedly connected to one side of the large gear. A turntable is rotatably connected inside the fixed disk. A first magnet is fixedly connected inside the turntable. A torsion spring is fixedly connected between one side of the turntable and one side of the inner wall of the fixed disk. An elliptical touch plate is fixedly connected to the outer side of the turntable. A plurality of touch switches are fixedly connected at equal intervals to the inner side of the fixed disk.

[0009] Among them, the temperature measuring mechanism includes a second water pipe fixedly connected to one side of the other second solenoid valve. A plurality of second temperature guiding sheets are fixedly connected inside the second water pipe. A temperature sensor is fixedly connected to the bottom of the plurality of second temperature guiding sheets. A third water pipe is fixedly connected between one side of the second water pipe and the top of one of the heat preservation water tanks.

[0010] The present invention at least has the following beneficial effects: By setting the heat preservation mechanism and the timing mechanism, before using the heat exchanger body, the introduced cold water can be guided into the timing mechanism and then conveyed into the heat preservation mechanism. The flowing water drives the sequential timing control of heating the introduced cold water. In this way, sequential heating can be carried out to sequentially heat and insulate the heat exchanger body, thereby driving out the cold air and providing a gradually heating effect for the heat exchanger body. Finally, the possibility of damaging the heat exchanger body is reduced, and the normal service life of the heat exchanger body is guaranteed; by setting the temperature measuring mechanism, the water temperature at the tail end of the heat preservation mechanism can be detected, thereby ensuring that the heat preservation mechanism achieves the required heat preservation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is a schematic diagram of the overall structure of the present invention; Figure 2 is a schematic diagram of the structure of the heat preservation mechanism of the present invention; Figure 3 is of the present invention Figure 2 the enlarged schematic diagram of part A; Figure 4Schematic diagram of the internal structure of the protection box of the present invention; Figure 5 Schematic diagram of the internal structure of the heat preservation water tank of the present invention; Figure 6 Schematic diagram of the internal structure of the first water conduit and the fixed plate of the present invention; Figure 7 Rear view structure diagram of the timing mechanism of the present invention; Figure 8 Partial structure diagram of the timing mechanism of the present invention; Figure 9 Partial structure diagram of the timing mechanism of the present invention.

[0012] In the figure: 1. Heat exchanger body; 2. Heat preservation mechanism; 21. Heat preservation water tank; 22. Spiral pipe; 23. First heat conduction sheet; 24. Electric heating plate; 25. First solenoid valve; 26. Three-way pipe; 27. Second solenoid valve; 3. Timing mechanism; 31. Protection box; 32. First water conduit; 33. Water wheel; 34. First bevel gear; 35. First support plate; 36. First rotating shaft; 37. Second bevel gear; 38. Third bevel gear; 39. Small gear; 310. Large gear; 311. Fixed plate; 312. Turntable; 313. Oval touch plate; 314. First electromagnet; 315. First magnet; 316. Torsion spring; 317. Tactile switch; 4. Temperature measurement mechanism; 41. Second water conduit; 42. Second heat conduction sheet; 43. Temperature sensor; 44. Third water conduit. Detailed implementation manners

[0013] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0014] Embodiment 1 Please refer to Figures 1 to 9 , the present invention provides a technical solution: an efficient chemical heat exchanger, including: a heat exchanger body 1, further including: a heat preservation mechanism 2, the heat preservation mechanism 2 is installed on the outer side of the heat exchanger body 1, and the heat preservation mechanism 2 controls the flow direction of water to switch to introduce cold water or preheat and keep warm the heat exchanger body 1; a timing mechanism 3, the timing mechanism 3 is installed between the heat exchanger body 1 and the heat preservation mechanism 2, and the timing mechanism 3 drives the control of the heat preservation mechanism 2 to perform sequential heating and heat preservation through water flow; The temperature measuring mechanism 4 is installed between the heat exchanger body 1 and the timing mechanism 3, and the temperature measuring mechanism 4 can detect the water temperature at the end of the timing mechanism 3.

[0015] By setting the heat preservation mechanism 2 and the timing mechanism 3 as above, before using the heat exchanger body 1, the introduced cold water can be guided into the timing mechanism 3, and then transported into the heat preservation mechanism 2. The flowing water drives the sequential timing control to heat the introduced cold water. In this way, sequential heating can be carried out to heat and keep warm the heat exchanger body 1 in sequence, thereby driving out the cold air and providing a gradually heating effect for the heat exchanger body 1. Finally, the possibility of damaging the heat exchanger body 1 is reduced, and the normal service life of the heat exchanger body 1 is guaranteed; by setting the temperature measuring mechanism 4, the water temperature at the end of the heat preservation mechanism 2 can be detected, so as to ensure that the heat preservation mechanism 2 reaches the required heat preservation effect.

[0016] The heat preservation mechanism 2 includes a plurality of heat preservation water tanks 21 installed on the outer side of the heat exchanger body 1. A spiral pipe 22 is fixedly connected between every two heat preservation water tanks 21. First solenoid valves 25 are installed at both the cold water inlet and outlet of the heat exchanger body 1. Three-way pipes 26 are installed on the tops of the two first solenoid valves 25. A second solenoid valve 27 is installed on one side of the three-way pipe 26. A plurality of first heat conduction sheets 23 are fixedly connected at equal intervals inside the plurality of heat preservation water tanks 21. An electric heating plate 24 is fixedly connected to the bottom of the first heat conduction sheet 23; When in use, when cold water is introduced into the cold water inlet of the heat exchanger body 1, control the first solenoid valve 25 to open and the second solenoid valve 27 to close. When it is necessary to introduce cold water into the timing mechanism 3, control the first solenoid valve 25 to close and the second solenoid valve 27 to open.

[0017] The timing mechanism 3 includes a protection box 31 fixedly connected to the outer side of the heat exchanger body 1. A first water guide pipe 32 is fixedly connected inside the protection box 31. A water wheel 33 is rotatably connected inside the first water guide pipe 32. A first bevel gear 34 is fixedly connected to one side of the water wheel 33; When in use, when water is introduced into the first water guide pipe 32, it drives the water wheel 33 to rotate, and the rotating water wheel 33 drives the first bevel gear 34.

[0018] A first support plate 35 is fixedly connected to the inner side of the protection box 31. A first rotating shaft 36 is rotatably connected inside the first support plate 35. Second bevel gears 37 are fixedly connected to both the top and bottom of the first rotating shaft 36. One of the second bevel gears 37 is meshed with the first bevel gear 34. A third bevel gear 38 is meshed with one side of the other second bevel gear 37. The third bevel gear 38 is rotatably connected to the protection box 31. A small gear 39 is fixedly connected to one side of the third bevel gear 38. A large gear 310 is meshed with one side of the small gear 39; During use, the first bevel gear 34 drives the first rotating shaft 36 and the second bevel gear 37 to rotate. The first rotating shaft 36 at the top drives the pinion gear 39 to rotate through the third bevel gear 38, and the pinion gear 39 drives the large gear 310.

[0019] One side of the large gear 310 is rotatably connected to a fixed disk 311. The fixed disk 311 is fixedly connected to the protection box 31. One side of the large gear 310 is fixedly connected to a first electromagnet 314. Inside the fixed disk 311, a turntable 312 is rotatably connected. Inside the turntable 312, a first magnet 315 is fixedly connected. Between one side of the turntable 312 and one side of the inner wall of the fixed disk 311, a torsion spring 316 is fixedly connected. On the outside of the turntable 312, an elliptical touch plate 313 is fixedly connected. Inside the fixed disk 311, a plurality of touch switches 317 are fixedly connected at equal intervals; During use, before the large gear 310 rotates, control the first electromagnet 314 to be energized to adsorb the first magnet 315, thereby driving the turntable 312 to rotate. The rotating turntable 312 stretches the torsion spring 316. When the elliptical touch plate 313 on the outside of the turntable 312 sequentially touches a plurality of touch switches 317, control sequential heating.

[0020] Embodiment 2 The temperature measuring mechanism 4 includes a second water conduit 41 fixedly connected to one side of another second solenoid valve 27. Inside the second water conduit 41, a plurality of second heat conducting sheets 42 are fixedly connected. At the bottom of the plurality of second heat conducting sheets 42, a temperature sensor 43 is fixedly connected. Between one side of the second water conduit 41 and the top of one of the heat preservation water tanks 21, a third water conduit 44 is fixedly connected; During use, when it is necessary to measure the water temperature at the end of the heat preservation mechanism 2, control the temperature sensor 43 to turn on, and the water temperature can be detected through the second heat conducting sheets 42.

[0021] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprises", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0022] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency chemical heat exchanger, characterized in that: include: Heat exchanger body (1), It also comprises: a heat preservation mechanism (2), the heat preservation mechanism (2) being installed on the outside of the heat exchanger body (1), the heat preservation mechanism (2) switching to introduce cold water or preheating and preserving the heat exchanger body (1) by controlling the flow direction of water; A timing mechanism (3), the timing mechanism (3) being installed between the heat exchanger body (1) and the heat preservation mechanism (2), the timing mechanism (3) driving the heat preservation mechanism (2) to perform sequential heating and heat preservation through water flow; A temperature measuring mechanism (4) is installed between the heat exchanger body (1) and the timing mechanism (3), and the temperature measuring mechanism (4) can detect the water temperature at the tail end of the timing mechanism (3).

2. The high-efficiency chemical heat exchanger according to claim 1 is characterized in that: The heat preservation mechanism (2) comprises a plurality of heat preservation water tanks (21) installed on the outside of the heat exchanger body (1), a spiral tube (22) is fixedly connected between every two of the heat preservation water tanks (21), a first solenoid valve (25) is installed at the cold water inlet and outlet of the heat exchanger body (1), a three-way pipe (26) is installed on the top of the two first solenoid valves (25), and a second solenoid valve (27) is installed on one side of the three-way pipe (26), and a plurality of first thermal conductive plates (23) are fixedly connected at equal intervals inside the plurality of heat preservation water tanks (21), and an electric heating plate (24) is fixedly connected to the bottom of the first thermal conductive plate (23).

3. The high-efficiency chemical heat exchanger according to claim 1 is characterized in that: The timing mechanism (3) comprises a protection box (31) fixedly connected to the outside of the heat exchanger body (1); a first water conduit (32) is fixedly connected to the inside of the protection box (31); a water wheel (33) is rotatably connected to the inside of the first water conduit (32); and a first bevel gear (34) is fixedly connected to one side of the water wheel (33).

4. The high-efficiency chemical heat exchanger according to claim 3 is characterized in that: A first support plate (35) is fixedly connected to the inner side of the protection box (31); a first rotating shaft (36) is rotatably connected to the interior of the first support plate (35); second bevel gears (37) are fixedly connected to the top and bottom of the first rotating shaft (36); one of the second bevel gears (37) is meshingly connected to the first bevel gear (34); one side of the other second bevel gear (37) is meshingly connected to a third bevel gear (38); the third bevel gear (38) is rotatably connected to the protection box (31); one side of the third bevel gear (38) is fixedly connected to a pinion gear (39); one side of the pinion gear (39) is meshingly connected to a large gear (310).

5. The high-efficiency chemical heat exchanger according to claim 4 is characterized in that: A fixed disk (311) is rotatably connected to one side of the large gear (310), the fixed disk (311) is fixedly connected to the protection box (31), a first electromagnet (314) is fixedly connected to one side of the large gear (310), a rotating disk (312) is rotatably connected to the interior of the fixed disk (311), a first magnet (315) is fixedly connected to the interior of the rotating disk (312), a torsion spring (316) is fixedly connected between one side of the rotating disk (312) and one side of the inner wall of the fixed disk (311), an elliptical touch plate (313) is fixedly connected to the outer side of the rotating disk (312), and a plurality of light touch switches (317) are fixedly connected to the inner side of the fixed disk (311) at equal intervals.

6. The high-efficiency chemical heat exchanger according to claim 2 is characterized in that: The temperature measuring mechanism (4) comprises a second water conduit (41) fixedly connected to one side of another second solenoid valve (27); a plurality of second temperature conducting plates (42) are fixedly connected inside the second water conduit (41); a temperature sensor (43) is fixedly connected to the bottom of the plurality of second temperature conducting plates (42); and a third water conduit (44) is fixedly connected between one side of the second water conduit (41) and the top of one of the heat-insulating water tanks (21).

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