Efficient condenser

Abstract

The utility model belongs to the technical field of condensers, and particularly discloses an efficient condenser which comprises a shell, tube plates are detachably connected to the two ends of the shell, tube boxes are connected to the outer sides of the tube plates, a tube pass inlet and a tube pass outlet are formed in the tube boxes on the two sides of the shell respectively, and a shell pass inlet and a shell pass outlet are formed in the side walls of the two ends of the shell respectively. A plurality of tube plates are arranged in the shell, fixing holes used for installing condensation tubes are formed in the tube plates, drainage pieces used for weakening the surface tension effect are fixedly connected to the condensation tubes, a plurality of baffle plates are arranged in the shell, installing holes are formed in the baffle plates, and each installing hole comprises a first installing part and a second installing part. The condensation pipe penetrates through the first installation part, the drainage piece penetrates through the second installation part, and during work, condensate liquid beads can break through the constraint of surface tension to drip in advance, so that the dripping period formed by condensation is shortened, and the condensation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to condenser technical field, concretely relates to a high -efficient condenser. BACKGROUND

[0002] Condenser is the condensing equipment frequently used on chemical plant, and the shell and tube condenser can be divided into tube inside condensation and tube outside condensation according to condensing surface. During the condensing process of horizontal tube outside condensing equipment, condensate forms small liquid beads on the tube outer wall, and continuously develops and grows. After the liquid beads grow, they drop along the wall bottom due to the action of gravity, and the condensing process is the formation and growth of liquid beads repeatedly, and this condensation is called dropwise condensation. At present, to cope with high load condensing conditions, the condensing area of condensing equipment is enlarged to meet the requirements of chemical process, and dropwise condensation is still prone to form dropwise condensation drop period, which limits the improvement of condensing efficiency. SUMMARY

[0003] In view of the problem that the horizontal tube outside condensing equipment is prone to form dropwise condensation drop period and limit the improvement of condensing efficiency in the prior art, a high-efficiency condenser is provided. The utility model provides the following technical scheme:

[0004] A high-efficiency condenser, comprising a shell, the both ends of the shell are detachably connected with tube sheets, the outer side of the tube sheet is connected with a tube box, the tube box on the both sides of the shell is respectively provided with a tube pass inlet and a tube pass outlet, and the both end side walls of the shell are respectively provided with a shell pass inlet and a shell pass outlet; the tube sheet is provided with fixing holes for mounting condensing tubes, the condensing tube is fixedly connected with a flow guide member for weakening the surface tension effect, the shell is provided with a plurality of baffle plates, the baffle plate is provided with mounting holes, the mounting hole comprises a first mounting part and a second mounting part, the condensing tube passes through the first mounting part, and the flow guide member passes through the second mounting part.

[0005] Preferably, the flow guide member is a rod-shaped structure, and a plurality of flow guide members are installed on the condensing tube in an axial direction.

[0006] Preferably, the second mounting part is square and located below the first mounting part.

[0007] Preferably, the mounting hole is a symmetrical structure.

[0008] Preferably, the baffle plate comprises a first sub-plate and a second sub-plate, the first sub-plate and the second sub-plate are spliced to form a circular plate, and the size of the first sub-plate is larger than that of the second sub-plate.

[0009] Preferably, the first sub-plate and the second sub-plate are horizontally connected.

[0010] Preferably, the baffle plate is provided with a chute at the bottom, the inner side of the shell is fixedly connected with a slide, and the chute is slidably connected to the slide.

[0011] Preferably, a distance tube is connected to one side of the tube plate, a pull rod is installed on the baffle plate on the other side through a distance nut, the pull rod is screwed to the distance tube, and the distance nut is arranged on the side of the baffle plate away from the distance tube.

[0012] Preferably, a condensate passage is arranged at the bottom of the baffle plate, and a non-condensable gas passage is arranged at the top of the baffle plate.

[0013] Preferably, a notch for steam passing is arranged at the side of the baffle plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The drainage member is fixedly connected to the condensing pipe, the continuity of the liquid film is destroyed through the physical structure, the condensate drops are separated from the surface of the condensing pipe in advance, the condensing formation drop period is reduced, and the condensing efficiency is improved.

[0016] 2. The baffle plate is provided with a sliding groove which is slidably connected with a sliding way at the bottom of the inner side of the shell, so that the stability and smoothness of the installation of the baffle plate with the condensing pipe into the shell are improved.

[0017] 3. The mounting hole of the baffle plate is a left-right symmetrical structure which is matched with the direction of gravity to ensure that the drainage member is always at the best working angle, improve the uniformity of medium distribution, reduce the risk of local overheating, and reduce the structural stress. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 is a schematic diagram of the local structure of the utility model;

[0020] Figure 3 is Figure 1 is a schematic diagram of the partial cross-sectional structure of the A-A section line in the utility model;

[0021] Figure 4 is a schematic diagram of the structure of the mounting hole of the utility model;

[0022] Figure 5 is a schematic diagram of the front view installation structure of the drainage member of the utility model;

[0023] Figure 6 is a schematic diagram of the left view installation structure of the drainage member of the utility model

[0024] In the attached diagram, 1. Tube box; 2. Tube sheet; 3. Spacing nut; 4. Tie rod; 5. Spacing tube; 6. Baffle plate; 61. First partition plate; 62. Second partition plate; 63. Mounting hole; 631. First mounting part; 632. Second mounting part; 7. Shell; 8. Condenser tube; 81. Drainage element; 9. Bolt and nut assembly; 10. Support; 11. Slide rail; 12. Tube-side outlet; 13. Shell-side inlet; 14. Shell-side outlet; 15. Tube-side inlet. Detailed Implementation

[0025] The directional terms mentioned in the following embodiments, such as "up", "down", "left", and "right", are only for reference to the accompanying drawings. Therefore, the directional terms used are for illustration and not for limiting the invention of this utility model.

[0026] like Figures 1-6 As shown, a high-efficiency condenser includes a shell 7, with tube sheets 2 detachably connected to both ends of the shell 7. Tube boxes 1 are connected to the outer side of the tube sheets 2. Tube inlets 15 and tube outlets 12 are respectively provided on the front and rear sides of the tube boxes 1 of the shell 7. Shell outlets 14 and shell inlets 13 are respectively provided on the side walls at both ends of the shell 7. The detachable structure design facilitates inspection, maintenance, and component replacement, significantly reducing maintenance costs. The tube sheets 2 are provided with fixing holes for installing condenser tubes 8, and the condenser tubes 8 are fixedly connected with surfaces weakened. The tension-induced flow guide 81 disrupts the continuity of the liquid film through its physical structure, causing the condensate droplets to detach from the surface of the condenser tube 8 earlier. Several baffles 6 are provided inside the shell 7, and each baffle 6 has a mounting hole 63. The mounting hole 63 includes a first mounting part 631 and a second mounting part 632. The condenser tube 8 passes through the first mounting part 631, and the flow guide 81 passes through the second mounting part 632. During operation, the condensate droplets can break through the constraint of surface tension and drip earlier, thereby reducing the condensation dripping cycle and improving condensation efficiency.

[0027] The shell 7 is cylindrical. By default, the front and rear directions are divided along the axis of the shell 7. Specifically, the side where the tube inlet 15 is located is the front side, and the side where the tube outlet 12 is located is the rear side, in order to further determine the front and rear directions.

[0028] Specifically, the flow guide 81 is a rod-shaped structure. The flow guide 81 is arranged axially at equal intervals on the lower side of the condenser tube 8 and covers most of the length of the condenser tube 8 to fully improve the condensation effect. In another embodiment, the flow guide 81 can adopt a needle-shaped structure or a cone-shaped structure.

[0029] The second mounting part 632 is square and located below the first mounting part 631. The mounting hole 63 has a left-right symmetrical structure. In accordance with the direction of gravity, it ensures that the drainage component 81 is always at the optimal working angle, improves the uniformity of medium distribution, reduces the risk of local overheating, and reduces structural stress.

[0030] Specifically, the baffle plate 6 comprises a first sub-plate 61 and a second sub-plate 62, the first sub-plate 61 and the second sub-plate 62 are horizontally connected to form a circular plate, the joint line is a vertical line, the area of the plate surface of the first sub-plate 61 is larger than that of the second sub-plate 62, and the installation efficiency of the baffle plate 6 can be improved through the split design.

[0031] Specifically, the outer bottom of the shell 7 is fixedly connected with a support 10 on the front side and the rear side, so as to provide stable support.

[0032] Specifically, the tube plate 2 is connected to the tube box 1 through the bolt-nut assembly 9 and the flange, so as to ensure the connection strength.

[0033] Further, the baffle plate 6 is provided with a chute, the inner bottom of the shell 7 is fixedly connected with a slide 11, and the chute is slidably connected to the slide 11, so as to install the baffle plate 6 provided with the condenser pipe 8 into the shell 7, and the stability and smoothness of the installation process can be improved.

[0034] Further, the last tube plate 2 is connected with a distance tube 5, and the frontmost baffle plate 6 is provided with a pull rod 4 through a distance nut 3, the pull rod 4 is threadedly connected to the distance tube 5, and the distance nut 3 is arranged on the side of the baffle plate 6 away from the distance tube 5, so that the distance can be determined through the threaded connection, and the stability of the baffle plate 6 is improved and the anti-vibration performance is enhanced through the pre-stress.

[0035] Further, the bottom of the baffle plate 6 is provided with a condensate passage, the top of the baffle plate 6 is provided with a non-condensable gas passage, and the side of the baffle plate 6 is provided with an opening for steam to pass through, so as to facilitate the passage of steam that needs to be condensed, and the condensation efficiency is improved.

Claims

1. A high efficiency condenser characterized by, The device includes a housing (7), with tube sheets (2) detachably connected to both ends of the housing (7). Tube boxes (1) are connected to the outside of the tube sheets (2). Tube inlets (15) and tube outlets (12) are respectively provided on the tube boxes (1) on both sides of the housing (7). Shell inlets (13) and shell outlets (14) are respectively provided on the side walls at both ends of the housing (7). The tube sheet (2) is provided with fixing holes for installing condenser tubes (8). A flow guide (81) for weakening surface tension is fixedly connected to the condenser tubes (8). Several baffles (6) are provided inside the housing (7). The baffles (6) are provided with mounting holes (63). The mounting holes (63) include a first mounting part (631) and a second mounting part (632). The condenser tubes (8) pass through the first mounting part (631), and the flow guide (81) passes through the second mounting part (632).

2. The high-efficiency condenser according to claim 1, characterized in that, The draining element (81) is a rod-shaped structure, and multiple draining elements (81) are installed at intervals along the axial direction on the condenser tube (8).

3. The high-efficiency condenser according to claim 1 or 2, characterized in that, The second mounting part (632) is square and located below the first mounting part (631).

4. The high-efficiency condenser according to claim 3, characterized in that, The mounting hole (63) has a symmetrical structure.

5. The high-efficiency condenser according to claim 1, characterized in that, The baffle plate (6) includes a first plate (61) and a second plate (62), which are spliced ​​together to form a circular plate. The first plate (61) is larger than the second plate (62).

6. The high-efficiency condenser according to claim 5, characterized in that, The first sub-plate (61) and the second sub-plate (62) are horizontally connected.

7. The high-efficiency condenser according to claim 1 or 5, characterized in that, The bottom of the baffle plate (6) is provided with a sliding groove, and the bottom of the inner side of the housing (7) is fixedly connected to a slide rail (11), and the sliding groove is slidably connected to the slide rail (11).

8. The high-efficiency condenser according to claim 1, characterized in that, A spacer tube (5) is connected to a tube sheet (2) on one side, and a tie rod (4) is installed on a baffle plate (6) on the other side via a spacer nut (3). The tie rod (4) is threaded to the spacer tube (5), and the spacer nut (3) is located on the side of the baffle plate (6) away from the spacer tube (5).

9. The high-efficiency condenser according to claim 1, characterized in that, The bottom of the baffle plate (6) is provided with a condensate channel, and the top of the baffle plate (6) is provided with a non-condensable gas channel.

10. The high-efficiency condenser according to claim 1 or 9, characterized in that, The side of the baffle (6) is provided with a notch for steam to pass through.

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