CN218066044U - Tube type heat exchanger - Google Patents

Abstract

The utility model relates to a shell and tube heat exchanger, it includes casing, heat exchange tube and baffle, the casing is equipped with inlet and liquid outlet, the heat exchange tube is located inside the casing, baffle is located inside the casing, just baffle is equipped with the through-hole, the through-hole supplies the heat exchange tube embedding, the face of cylinder is all gone into to the casing, shells inner wall is equipped with the thread groove, baffle is the heliciform, just baffle slides embedding thread groove. Therefore, the heat exchange tubes can be fixed through the through holes arranged on the baffle plates, and the heat exchange tubes fixed on the baffle plates can be detached to the outside of the shell along with the sliding of the baffle plates in the thread grooves, so that the heat exchange tubes can be cleaned conveniently.

Description

Tube type heat exchanger

Technical Field

The application relates to the field of heat exchangers, in particular to a shell and tube heat exchanger.

Background

At present, the shell and tube heat exchanger is used as a heat exchanger with the widest application in chemical industry, alcohol production and new biological medicine production. For example, in the biological and new medicine fields, the tube type heat exchanger can participate in pharmacy, and the liquid medicine is cooled or heated based on the pharmacy standard.

In the heat exchange engineering, due to the change of temperature, certain crystals may be precipitated from the liquid, and the liquid medicine may contain impurities such as particles and particles, and the crystals or the impurities may be attached to the tube wall of the heat exchange tube, thereby greatly reducing the heat exchange efficiency.

SUMMERY OF THE UTILITY MODEL

In order to guarantee the heat exchange efficiency of heat exchanger, this application provides a shell and tube heat exchanger.

The application provides a shell and tube heat exchanger adopts following technical scheme:

the utility model provides a shell and tube heat exchanger, includes casing, heat exchange tube and baffle, the casing is equipped with inlet and liquid outlet, the heat exchange tube is located inside the casing, baffle is located inside the casing, just baffle is equipped with the through-hole, the through-hole supplies the heat exchange tube embedding, the face of cylinder is held in the inner week of casing, shells inner wall is equipped with the thread groove, baffle is the heliciform, just baffle slip embedding thread groove.

Through adopting above-mentioned technical scheme, establish the face of cylinder with shells inner wall, shells inner wall is equipped with the thread groove, is the heliciform with the baffle design of baffling, and the baffle of baffling can slide embedding thread groove, not only can increase the fluid flow time in the casing, increases heat transfer time, improves heat exchange efficiency, can also make the baffle of baffling can dismantle outside the casing through sliding in the thread groove. The baffling baffle is provided with the through hole, so that the heat exchange tube can be fixed and is not easy to move easily, and the heat exchange tube can be detached from the inside of the shell to the outside of the shell through the movement of the baffling baffle, so that the shell can be cleaned.

Preferably, still including being responsible for and the filter plate, be responsible for the coaxial casing of locating in, the baffling baffle is around locating the periphery of being responsible for, the filter plate is located inside the casing, the filter plate is located between inlet and the liquid outlet, just the filter plate is on a parallel with the axial of being responsible for, the filter plate is along being responsible for the periphery that radial one end laminating was responsible for, the filter plate is along being responsible for radial other end laminating shells inner wall, the filter plate is all laminated in the baffling baffle along being responsible for axial both ends, the filter plate is equipped with the filtration pore, the filtration pore runs through the filter plate.

Through adopting above-mentioned technical scheme, the filter plate is on a parallel with the axial of being responsible for the heat exchange tube is dodged to the filter plate. The filter plate is attached to the inner wall of the shell, so that fluid entering from the liquid inlet is guaranteed to pass through the filter holes to the liquid outlet, and effective filtering is guaranteed.

Preferably, still include the filter core, the filter core is located inside the casing, just the filter core can be dismantled and connect in the filter plate, just the filter core covers the filtration pore.

Through adopting above-mentioned technical scheme, the filter core can be dismantled and connect in the filter plate to when the filter core takes place to block up, removable filter core. Meanwhile, the filter plate and the filter element are arranged, so that multiple filtration is performed, and the filtration efficiency is improved.

Preferably, the filter plate includes first filter plate and second filter plate, first filter plate be on a parallel with the second filter plate, just first filter plate with there is the interval between the second filter plate, the filter core inlays between first filter plate and second filter plate.

By adopting the technical scheme, the filter element is arranged between the first filter plate and the second filter plate, when the filter element is impacted by fluid, the filter plate can well protect the filter element, so that the filter element is not easy to be washed away by the fluid, and the stability of the filtering efficiency is ensured.

Preferably, still include magnet, first filter plate is equipped with the magnetism hole, the magnetism hole supplies the magnet embedding, just the magnetism hole runs through first filter plate, first filter plate is non-magnetic material, the second filter plate is magnetic material, the filter core covers the magnetism hole.

Through adopting above-mentioned technical scheme, make inlay in the magnet in first filter plate magnetism hole can adsorb the second filter plate, realize utilizing magnet and second filter plate to press from both sides tight filter core.

Preferably, the first filter plate is positioned on one side of the second filter plate facing the liquid inlet.

Through adopting above-mentioned technical scheme, the fluid that gets into from the inlet can take the lead to strike first filter plate, and magnet inlays in the magnetism hole of first filter plate, and magnet adsorbs in the second filter plate, so, magnet can receive the impact force that comes from the fluid to make magnet self strengthen the pressure of second filter plate, what the filter core can be better is protected between first filter plate and second filter plate, thereby guarantees filtration efficiency.

Preferably, under the condition that one end of the magnet is attached to the second filter plate, the other end of the magnet extends out of the magnetic hole.

Through adopting above-mentioned technical scheme for inlay in the magnet of magnetic bore when adsorbing the second filter plate, magnet can expose in the one side that first filter plate deviates from the second filter plate, guarantees that magnet can be taken out, and when magnet was taken out, magnet stopped the extrusion to the filter core, thereby can take out the filter core.

Preferably, one end of the magnet, which is close to the second filter plate, is provided with a magnetic cap, and the end face of the magnetic cap, which faces the magnet, is used for abutting against the surface of the first filter plate, which faces the second filter plate.

Through adopting above-mentioned technical scheme for the magnetism cap can the butt in the filter plate, thereby magnet can not follow the roll-off easily in the magnetism hole, lets the magnetism cap extrusion filter core moreover, makes the filter core adsorb the second filter plate, because the magnetism cap is greater than the diameter of magnetism hole along the cross-sectional area that is on a parallel with the filter plate, so increased the area of contact of magnet with the filter core, makes the filter core can be more firm, improves filtration efficiency.

Preferably, the magnetic holes are arranged at intervals, and each magnetic hole is embedded with the magnet.

Through adopting above-mentioned technical scheme, set up more magnetic bore and magnet, increased the extrusion of magnet to the filter core for the filter core is more stable, makes to filter and can effectively go on.

Preferably, still include two tube sheets, one the tube sheet sealing connection is in casing one end, another the tube sheet sealing connection is in the casing other end, and the tube sheet butt in baffling baffle, the tube sheet is equipped with the round hole, the round hole supplies the heat exchange tube embedding.

Through adopting above-mentioned technical scheme, guarantee the sealed of casing, and the tube sheet can supply the baffling baffle butt, slides when inlaying in the thread groove as baffling baffle, because baffling baffle receives fluidic impact, probably leads to baffling baffle to produce slight slip, so connect in casing and butt can fix baffling baffle in baffling baffle's tube sheet well, guarantee casing inner structure's stability.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the heat exchange tube fixed on the baffle can be detached outside the shell along with the sliding of the baffle, so that the heat exchange tube can be cleaned conveniently;

2. the internal filtering function of the shell is added, the filter element can be replaced, and different fluids can be filtered to different degrees;

3. the filter core is fixed through the absorption of magnet, guarantees the stability of filter core, improves filtration efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a shell and tube heat exchanger.

Fig. 2 is a schematic view showing the connection of the baffle plates, the heat exchange tubes and the shell.

Fig. 3 is a schematic structural view of the housing.

Fig. 4 is a schematic view showing the connection of the filter plate, the main pipe and the baffle plate.

Fig. 5 isbase:Sub>A cross-sectional view of fig. 2 taken along section linebase:Sub>A-base:Sub>A.

Fig. 6 is a positional relationship diagram of the first filter plate, the filter element, the second filter plate, and the magnet.

Fig. 7 is a schematic view of the attachment of the magnet and the filter plate.

Description of the reference numerals: 1. a housing; 11. a liquid outlet; 12. a liquid inlet; 13. a fixed mount; 14. a thread groove;

2. sealing the end; 21. a nut; 22. a screw;

3. a baffle plate; 31. a through hole;

4. a tube sheet; 41. a circular hole;

5. a heat exchange pipe; 51. a main tube;

6. filtering the plate; 61. filtering holes; 62. a magnetic aperture; 63. a filter element; 64. a first filter plate; 65. a second filter plate;

7. a magnet; 71. a magnetic cap.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

Referring to fig. 1 and 2, the embodiment of the present application discloses a tube type heat exchanger, which comprises a shell 1, heat exchange tubes 5, baffle plates 3 and a tube plate 4. The shell 1 is cylindrical, and a liquid inlet 12 and a liquid outlet 11 are arranged on the circumferential side wall of the shell 1. The heat exchange tubes 5 and baffle 3 are located inside the shell 1. The baffle 3 is helical. The baffle 3 is provided with a through hole 31, and the through hole 31 allows the heat exchange tube 5 to be inserted therein, so that the heat exchange tube 5 is fixed, and so that the heat exchange tube 5 is parallel to the axial direction of the shell 1. The tube plate 4 is connected to the shell 1, and the tube plate 4 is flush with both ends of the shell 1 in the axial direction. While sealing between the outer periphery of the tube sheet 4 and the inner periphery of the shell 1. The tube plate 4 is provided with a circular hole 41, and the end part of the heat exchange tube 5 is embedded in the circular hole 41.

In this embodiment, a shell and tube heat exchanger still includes head 2 and mount 13, and head 2 passes through screw 22 and nut 21 to be connected in the axial tip of casing 1, and screw 22 and nut 21 are equipped with four along 2 circumference equidistant of head, and four screws 22 and four nut 21 are connected head 2 in casing 1 to make and seal between the terminal surface of head 2 and casing 1. The fixing bracket 13 is located at one side of the housing 1 for supporting the housing 1.

Referring to fig. 2 and 3, the inner circumference of the housing 1 is a cylindrical surface, and the inner wall of the housing 1 is provided with a thread groove 14, and the thread groove 14 penetrates through both ends of the housing 1 in the axial direction.

The spiral baffle 3 is slidably fitted in the threaded groove 14, and the tube plates 4 at both ends abut against the baffle 3.

Referring to fig. 2 and 4, the shell and tube heat exchanger further includes a filter sheet 6 and a main pipe 51. The main pipe 51 is coaxially disposed in the housing 1, and the baffle 3 is wound around the outer periphery of the main pipe 51. A filter plate 6 is also provided in the housing 1, the filter plate 6 being located between the inlet 12 and the outlet 11, and the filter plate 6 being parallel to the axial direction of the main pipe 51. One end of the filter plate 6 along the radial direction of the main pipe 51 is attached to the periphery of the main pipe 51, and both ends of the filter plate 6 along the axial direction of the main pipe 51 are attached to the baffle 3.

Referring to fig. 4 and 5, the other end of the filter sheet 6, which is radial to the main pipe 51 and away from the main pipe 51, is attached to the inner wall of the housing 1.

Referring to fig. 6 and 7, a shell and tube heat exchanger further includes a magnet 7. The filter plate 6 comprises a first filter plate 64, a second filter plate 65 and filter cartridges 63, wherein a space exists between the first filter plate 64 and the second filter plate 65, and the space between the first filter plate 64 and the second filter plate 65 is used for storing the filter cartridges 63.

In this embodiment, the first filter plate 64 is provided with two magnetic holes 62, the magnetic holes 62 penetrate through the first filter plate 64, the magnets 7 are embedded in the magnetic holes 62, the first filter plate 64 is made of a non-magnetic material (such as plastic, acrylic, etc.), the second filter plate 65 is made of a magnetic material (such as iron), and one end of each magnet 7, which is close to the second filter plate 65, is provided with a magnetic cap 71. The area of the projection of the magnetic cap 71 on the first filter plate 64 is larger than the area of the magnetic hole 62, so that the end face of the magnetic cap 71 facing the magnet 7 is used to abut against the surface of the first filter plate 64 facing the second filter plate 65. At the same time, the outer periphery of the magnet 7 is slidably fitted to the inner periphery of the magnet hole 62.

Meanwhile, the first filter plate 64 is located on the side of the second filter plate 65 facing the liquid inlet 12 in the spiral direction of the baffle 3, so that the liquid flowing into the housing 1 from the liquid inlet 12 flows along the baffle 3, first passes through the first filter plate 64, and then passes through the filter element 63 and the second filter plate 65 in sequence. The magnet 7 is located on the first filter plate 64, and when the magnet 7 is impacted by water flow, the pressure of the magnet 7 on the second filter plate 65 is increased, so that the filter element 63 is more stable.

Referring to fig. 7, when the magnetic cap 71 is attached to the filter element 63 and the filter element 63 is attached to the second filter sheet 65, the other end of the magnet 7 protrudes from the magnetic hole 62.

The implementation principle of a shell and tube heat exchanger of the embodiment of the application is as follows: when the heat exchange tube is used, the screw 22 for connecting the shell 1 and the end socket 2 is unscrewed, the end socket 2 is dismounted, and the tube plate 4 is taken out along the axial direction of the heat exchange tube 5.

After the tube plate 4 is taken out, the baffle 3 loses the butt object, the baffle 3 is rotated along the direction of the thread groove 14 at the moment, the baffle 3 fixed with the heat exchange tube 5 can slide along the thread groove 14 and then is discharged, and at the moment, the heat exchange tube 5 and the baffle 3 can be cleaned.

After the cleaning is completed, the filter element 63 is ready to be placed between the first filter plate 64 and the second filter plate 65, the magnet 7 fitted in the magnet hole 62 is first lifted, the filter element 63 is placed between the first filter plate 64 and the second filter plate 656, and the magnet 7 is released. Because the first filter plate 64 is made of a non-magnetic material and the second filter plate 65 is made of a magnetic material, the magnet 7 is adsorbed on the second filter plate 65, and the filter element 63 is attached to the second filter plate 65 under the action of the magnet 7 because the filter element 63 covers the magnetic hole 62, so that the filter element 63 is fixed, and the filtering efficiency is improved.

After the filter element 63 is installed, one end of the shell 1 is connected with the tube plate 4, the end socket 2 is connected with one end of the shell 1 connected with the tube plate 4, and the end socket 2 is stably connected with one end of the shell 1 by screwing the screw 22. Inlay in the thread groove 14 of disconnected tube sheet 4 one end with baffling baffle 3 one end, rotate baffling baffle 3 along thread groove 14's direction this moment, baffling baffle 3 can get into casing 1 along thread groove 14, up to the baffling baffle 3 butt that gets into casing 1 one end earlier in tube sheet 4, stop rotating this moment, with remaining tube sheet 4 and head 2 through the other end of screw 22 fixed connection back casing 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A shell and tube heat exchanger which is characterized in that: including casing (1), heat exchange tube (5) and baffling baffle (3), casing (1) is equipped with inlet (12) and liquid outlet (11), heat exchange tube (5) are located inside casing (1), baffling baffle (3) are located inside casing (1), just baffling baffle (3) are equipped with through-hole (31), through-hole (31) supply heat exchange tube (5) embedding, the internal periphery of casing (1) is the face of cylinder, casing (1) inner wall is equipped with thread groove (14), baffling baffle (3) are the heliciform, just baffling baffle (3) slip embedding thread groove (14).

2. The shell and tube heat exchanger of claim 1, wherein: still including being responsible for (51) and filter plate (6), be responsible for (51) and coaxially locate in casing (1), baffling baffle (3) are around locating the periphery of being responsible for (51), filter plate (6) are located casing (1) inside, filter plate (6) are located between inlet (12) and liquid outlet (11), just filter plate (6) are on a parallel with the axial of being responsible for (51), radial one end laminating of being responsible for (51) is followed in filter plate (6) and is responsible for the periphery of (51), radial other end laminating casing (1) inner wall of (51) is followed in filter plate (6), axial both ends of being responsible for (51) are all laminated in baffling baffle (3) in filter plate (6), filter plate (6) are equipped with filtration pore (61), filtration pore (61) run through filter plate (6).

3. A shell and tube heat exchanger according to claim 2 wherein: the filter plate (6) further comprises a filter element (63), the filter element (63) is located inside the shell (1), the filter element (63) is detachably connected to the filter plate (6), and the filter element (63) covers the filter hole (61).

4. A shell and tube heat exchanger according to claim 3, wherein: the filter plate (6) are including first filter plate (64) and second filter plate (65), first filter plate (64) are on a parallel with second filter plate (65), just first filter plate (64) with there is the interval between second filter plate (65), filter core (63) inlay between first filter plate (64) and second filter plate (65).

5. The shell and tube heat exchanger of claim 4, wherein: still include magnet (7), first filter plate (64) are equipped with magnetism hole (62), magnetism hole (62) supply magnet (7) to imbed, just magnetism hole (62) run through first filter plate (64), first filter plate (64) are nonmagnetic material, second filter plate (65) are magnetic material, filter core (63) cover magnetism hole (62).

6. The shell and tube heat exchanger as claimed in claim 5, wherein: the first filter plate (64) is positioned on one side of the second filter plate (65) facing the liquid inlet (12).

7. The shell and tube heat exchanger as claimed in claim 5, wherein: and under the condition that one end of the magnet (7) is attached to the second filter plate (65), the other end of the magnet (7) extends out of the magnetic hole (62).

8. The shell and tube heat exchanger as claimed in claim 5, wherein: and a magnetic cap (71) is arranged at one end of the magnet (7) close to the second filter plate (65), and the end face, facing the magnet (7), of the magnetic cap (71) is used for abutting against the surface, facing the second filter plate (65), of the first filter plate (64).

9. The shell and tube heat exchanger of claim 8 wherein: the magnetic holes (62) are arranged at intervals, and each magnet (7) is embedded in each magnetic hole (62).

10. A shell and tube heat exchanger according to claim 1: the method is characterized in that: still include two tube sheets (4), one tube sheet (4) sealing connection is in casing (1) one end, another tube sheet (4) sealing connection is in casing (1) other end, and tube sheet (4) butt in baffling baffle (3), tube sheet (4) are equipped with round hole (41), round hole (41) supply heat exchange tube (5) embedding.

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