Multi-stage shell and tube condenser

Abstract

The utility model discloses a multistage tubular condenser which comprises an outer shell, a top cover is arranged at the top end of the outer shell, and a water inlet pipe is fixedly welded to the right side of the top end of the top cover. When the multi-stage tubular condenser is used, after external liquid input and output are connected with the upper connecting pipe and the water outlet pipe respectively, liquid with heat is guided in from the outside, and two groups of filter screens arranged in the mounting seat can filter, intercept and remove some particle impurities carried in the liquid in an auxiliary manner; impurity particles remaining in the heat exchange pipe in the cooling process that external liquid enters the heat exchange pipe are reduced, too fast blockage of a condensation assembly in the condenser is reduced, the number of times of dredging, cleaning and maintaining the interior of the heat exchange pipe assembly in the outer shell can be reduced by cleaning and replacing a filtering assembly in the mounting base in the using process, and the using efficiency is improved. The problem that auxiliary filtering and impurity removal are inconvenient to carry out when cooled liquid is guided into a condenser is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of shell and tube condensers, in particular to a multi-stage shell and tube condenser. Background Art

[0002] The multi-stage shell and tube condenser is a liquid cooling equipment composed of multiple tubes. It can be divided into three types according to the material: carbon steel shell and tube condenser, stainless steel shell and tube condenser and carbon steel and stainless steel mixed shell and tube condenser. It is widely used.

[0003] During the use of the multi-stage shell and tube condenser, when the cooled liquid is introduced into the interior of the condenser for condensation, some impurity particles will be brought into the interior of the condenser at the same time. After long-term use, they are likely to accumulate in large quantities inside the heat exchange pipes inside the condenser, causing the internal heat exchange pipes to be blocked too quickly. This is a disadvantage and is not convenient for auxiliary filtering and impurity removal when the cooled liquid is introduced into the interior of the condenser.

[0004] Now, a novel multi-stage shell and tube condenser is proposed to solve the above-mentioned shortcomings. Utility Model Content

[0005] The utility model aims to provide a multi-stage tube-in-tube condenser to solve the problem in the above background technology that it is inconvenient to perform auxiliary filtering and impurity removal when the cooled liquid is introduced into the interior of the condenser.

[0006] To achieve the above object, the utility model provides the following technical solution: a multi-stage tube-in-tube condenser, comprising an outer shell, a top cover is arranged at the top of the outer shell, and a water inlet pipe is welded and fixed on the right side of the top of the top cover, and a filtering structure for filtering impurities from the cooled liquid entering the condenser is arranged at the top of the water inlet pipe;

[0007] The filtering structure includes a mounting seat, a mounting plate, an upper connecting pipe, disassembly bolts, connecting holes, a filter screen, an upper connecting flange and a lower connecting flange. The top end of the water inlet pipe is provided with a mounting seat, and the top and bottom ends of the mounting seat are respectively provided with upper connecting pipes, a mounting plate is fixed to the top end of the outer top of the upper connecting pipe, and the top end of the mounting plate is provided with disassembly bolts, connecting holes are respectively opened inside the top and bottom ends of the mounting seat, and filter screens are respectively provided inside the top and bottom ends of the mounting seat, an upper connecting flange is fixed to the bottom end of the outer side of the upper connecting pipe, and a lower connecting flange is fixed to the top end of the outer side of the water inlet pipe.

[0008] Preferably, the disassembly bolts penetrate the interior of the mounting plate, and five groups of the disassembly bolts are arranged in a circular shape at equal intervals on the mounting plate, and five groups of the connecting holes are arranged in a circular shape at equal intervals inside the top end and the bottom end of the mounting seat.

[0009] Preferably, the upper connecting pipe and the mounting plate are symmetrically arranged with respect to the vertical center line of the mounting seat, and the upper connecting flange and the lower connecting flange are fixedly connected by bolt locking members.

[0010] Preferably, protective covers are respectively provided at both ends of the outer shell, fixing blocks are fixed at the top and bottom of both ends of the outer shell, and screw holes are opened inside the fixing blocks, connecting bolts are respectively penetrated at the top and bottom of the rear end of the protective cover, and support rods are respectively fixed at the top and bottom ends on both sides of the inside of the protective cover.

[0011] Preferably, the support rods are arranged in multiple groups at equal vertical intervals on both sides of the interior of the shield.

[0012] Preferably, a connecting seat is welded and fixed to the bottom end of the outer shell, and a base is provided at the bottom end of the connecting seat, a bottom plate is welded and fixed to the bottom end outside the base, and mounting bolts are provided at both ends of both sides of the top of the bottom plate, plug blocks are fixed at both ends of the bottom of the connecting seat, slots are provided at both ends of the top of the base, and locking blocks are movably connected at both ends of the bottom of both sides of the base.

[0013] Preferably, two sides of the slot respectively penetrate two sides of the base, the insert block penetrates the interior of the slot, and the mounting bolt penetrates the interior of the bottom plate.

[0014] Preferably, a refrigerant outlet is welded and fixed to the bottom end of the left side of the outer shell, a lower connecting plate is welded and fixed to the top end of the outside of the outer shell, an upper connecting plate is welded and fixed to the bottom end of the outside of the top cover, the upper connecting plate and the lower connecting plate are fixedly connected by bolt locking members, a water outlet pipe is welded and fixed to the left side of the top end of the top cover, a plurality of groups of heat exchange tubes are vertically arranged inside the outer shell, and deflection baffles are respectively arranged at the top of the front end and the bottom of the rear end of the heat exchange tubes, a refrigerant inlet is welded and fixed to the top end of the right side of the outer shell, and a head is arranged inside the top end of the outer shell.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the multi-stage tube-in-tube condenser not only facilitates the auxiliary filtering and impurity removal of the cooled liquid when it is introduced into the condenser, facilitates the anti-collision safety protection of the outside of the condenser, but also facilitates the rapid disassembly and assembly of the condenser;

[0016] (1) By providing an outer shell, a water inlet pipe, a mounting seat, a mounting plate, an upper connecting pipe, disassembly bolts, a connecting hole, a filter screen, an upper connecting flange and a lower connecting flange, when the condenser is in use, the external liquid input and output are connected to the upper connecting pipe and the water outlet pipe respectively. When the liquid with heat is introduced from the outside, two sets of filter screens arranged inside the mounting seat can assist in filtering, intercepting and removing some particulate impurities carried in the liquid, thereby reducing the impurity particles remaining in the heat exchange tube during the cooling process of the external liquid entering the heat exchange tube, and reducing the excessive clogging of the condensation component inside the condenser. During use, by cleaning and replacing the filter component inside the mounting seat, the number of times of cleaning and maintenance of the heat exchange tube component inside the outer shell can be reduced;

[0017] (2) By providing an outer shell, a fixing block, a support rod, a connecting bolt, a screw hole and a protective cover, when the tubular condenser is in use, the protective covers can be fixedly installed at both ends of the outer shell by connecting bolts and screw holes at both ends of the outer shell, and the outer shell of the condenser can be sealed with an auxiliary cover by the protective cover, thereby reducing the damage caused by direct impact of external objects on the condenser, and facilitating the safety protection of the outer shell of the condenser;

[0018] (3) By providing a connecting seat, an outer shell, a base, mounting bolts, a bottom plate, a locking block, a slot and an insert block, when the condenser is installed and used, first, the bottom plate is fixed to the ground at the installation position using four sets of mounting bolts, and then the two sets of insert blocks fixed at the bottom end of the connecting seat at the bottom of the outer shell can be correspondingly inserted into the slots inside the top of the base, and the four sets of locking blocks are respectively rotated upward to lock the insert blocks inside the slots, and then the condenser can be quickly installed and used. The provided insert blocks and slots facilitate the quick disassembly and assembly of the condenser. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of an enlarged front cross-sectional structure of the filter screen of the utility model;

[0021] Figure 3 It is a schematic diagram of the enlarged structure of the protective cover of the utility model from top view;

[0022] Figure 4 It is a schematic diagram of an enlarged side view of the base of the utility model.

[0023] In the figure: 1. connecting seat; 2. outer shell; 3. refrigerant outlet; 4. fixing block; 5. heat exchange tube; 6. deflector baffle; 7. lower connecting plate; 8. upper connecting plate; 9. top cover; 10. water outlet pipe; 11. mounting seat; 12. water inlet pipe; 13. refrigerant inlet; 14. mounting plate; 15. upper connecting pipe; 16. disassembly and assembly bolts; 17. connecting hole; 18. filter screen; 19. upper connecting flange; 20. lower connecting flange; 21. support rod; 22. connecting bolts; 23. screw hole; 24. shield; 25. base; 26. mounting bolts; 27. bottom plate; 28. locking block; 29. ​​slot; 30. plug block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1: Please refer to Figure 1-4 A multi-stage tube-in-tube condenser comprises an outer shell 2, a top cover 9 is arranged at the top of the outer shell 2, and a water inlet pipe 12 is welded and fixed on the right side of the top of the top cover 9, a refrigerant outlet 3 is welded and fixed on the bottom end of the left side of the outer shell 2, a lower connecting plate 7 is welded and fixed on the top of the outer shell 2, an upper connecting plate 8 is welded and fixed on the bottom of the outer shell 9, the upper connecting plate 8 and the lower connecting plate 7 are fixedly connected by bolt locking members, a water outlet pipe 10 is welded and fixed on the left side of the top of the top cover 9, a plurality of groups of heat exchange tubes 5 are vertically arranged inside the outer shell 2, and a baffle plate 6 is respectively arranged at the top of the front end and the bottom of the rear end of the heat exchange tube 5, a refrigerant inlet 13 is welded and fixed on the top of the right side of the outer shell 2, a head is arranged inside the top of the outer shell 2, and a filtering structure for filtering impurities of the cooled liquid entering the condenser is arranged at the top of the water inlet pipe 12;

[0026] The filtering structure includes a mounting seat 11, a mounting plate 14, an upper connecting pipe 15, a disassembly bolt 16, a connecting hole 17, a filter screen 18, an upper connecting flange 19 and a lower connecting flange 20. The top of the water inlet pipe 12 is provided with the mounting seat 11, and the top and bottom of the mounting seat 11 are respectively provided with the upper connecting pipe 15, the top of the outer top of the upper connecting pipe 15 is fixed with the mounting plate 14, and the top of the mounting plate 14 is provided with the disassembly bolt 16, the top and bottom of the mounting seat 11 are respectively provided with connecting holes 17, the top and bottom of the mounting seat 11 are respectively provided with the filter screen 18, the bottom of the outer bottom of the upper connecting pipe 15 is fixed with the upper connecting flange 19, and the top of the outer top of the water inlet pipe 12 is fixed with the lower connecting flange 20;

[0027] The disassembly bolts 16 penetrate the interior of the mounting plate 14, and five groups of disassembly bolts 16 are arranged in a circular manner at equal intervals on the mounting plate 14. Five groups of connecting holes 17 are arranged in a circular manner at equal intervals inside the top and bottom ends of the mounting seat 11, respectively. The upper connecting pipe 15 and the mounting plate 14 are symmetrically arranged about the vertical center line of the mounting seat 11, and the upper connecting flange 19 and the lower connecting flange 20 are fixedly connected by bolt locking members.

[0028] Specifically, Figure 1 and Figure 2 As shown, after the external liquid input and output are connected to the upper connecting pipe 15 and the water outlet pipe 10 respectively, when the liquid with heat is introduced from the outside, the two groups of filter screens 18 arranged inside the mounting seat 11 can assist in filtering, intercepting and removing some particulate impurities carried in the liquid, thereby reducing the amount of impurity particles remaining in the heat exchange tube 5 during the cooling process of the external liquid entering the heat exchange tube 5, and reducing the excessive blockage of the condensation components inside the condenser.

[0029] Embodiment 2: Shields 24 are respectively provided at both ends of the outer shell 2, fixing blocks 4 are fixed at the top and bottom of both ends of the outer shell 2, and screw holes 23 are opened inside the fixing blocks 4, connecting bolts 22 are respectively penetrated at the top and bottom of the rear end of the shield 24, and support rods 21 are respectively fixed at the top and bottom of both sides of the inside of the shield 24, and multiple groups of support rods 21 are respectively arranged at equal intervals vertically on both sides of the inside of the shield 24;

[0030] Specifically, Figure 1 and Figure 3 As shown, the protective shield 24 can be fixedly installed on the two ends of the outer shell 2 by connecting bolts 22 and screw holes 23 respectively. The outside of the condenser can be auxiliaryly sealed by the protective shield 24 to reduce the damage caused by direct impact of external objects on the condenser.

[0031] Embodiment 3: A connecting seat 1 is welded and fixed to the bottom end of the outer shell 2, and a base 25 is provided at the bottom end of the connecting seat 1, a bottom plate 27 is welded and fixed to the bottom end outside the base 25, and mounting bolts 26 are provided at both ends of the top of the bottom plate 27, plug blocks 30 are fixed at both ends of the bottom of the connecting seat 1, slots 29 are provided at both ends of the top of the base 25, locking blocks 28 are movably connected at both ends of the bottom of both sides of the base 25, the two sides of the slot 29 pass through the two sides of the base 25, the plug block 30 passes through the inside of the slot 29, and the mounting bolts 26 pass through the inside of the bottom plate 27;

[0032] Specifically, Figure 1 and Figure 4As shown, first fix the bottom plate 27 to the ground at the installation position using four sets of mounting bolts 26, and then insert the two sets of plug blocks 30 fixed at the bottom end of the bottom connecting seat 1 of the outer shell 2 into the slots 29 inside the top of the base 25, and rotate the four sets of locking blocks 28 upwards to lock the plug blocks 30 inside the slots 29, and then the condenser can be quickly installed and used.

[0033] Working principle: When the utility model is installed and used, the bottom plate 27 can be first fixed to the ground at the installation position using four sets of mounting bolts 26, and then the two sets of plug blocks 30 fixed at the bottom end of the bottom connection seat 1 of the outer shell 2 can be correspondingly inserted into the slots 29 inside the top of the base 25, and the four sets of locking blocks 28 are respectively rotated upward to lock the plug blocks 30 inside the slots 29, and the condenser can be quickly installed. When the condenser is in use, the external liquid input and output are connected to the upper connecting pipe 15 and the water outlet pipe 10 respectively. After the liquid with heat is introduced from the outside, it is set on the mounting seat 1 The two sets of filters 18 inside the outer shell 1 can assist in filtering, intercepting and removing some particulate impurities carried in the liquid. During use, by cleaning and replacing the filter components inside the mounting seat 11, the number of times of clearing, cleaning and maintaining the heat exchange tube 5 components inside the outer shell 2 can be reduced. When the tubular condenser is in use, the protective shields 24 provided can be fixedly installed at the two ends of the outer shell 2 by connecting bolts 22 and screw holes 23 at the two ends of the outer shell 2 respectively. The outer shell 2 can be sealed with the protective shields 24 to assist in the outer cover closure, thereby reducing the damage caused by the direct impact of external objects on the condenser.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A multi-stage tube-in-tube condenser, comprising an outer shell (2), characterized in that: A top cover (9) is provided at the top end of the outer shell (2), and a water inlet pipe (12) is welded and fixed to the right side of the top end of the top cover (9), and a filtering structure for filtering impurities from the cooled liquid entering the condenser is provided at the top end of the water inlet pipe (12); The filtering structure comprises a mounting seat (11), a mounting plate (14), an upper connecting pipe (15), a disassembly bolt (16), a connecting hole (17), a filter screen (18), an upper connecting flange (19) and a lower connecting flange (20); the top end of the water inlet pipe (12) is provided with the mounting seat (11), and the top and bottom ends of the mounting seat (11) are respectively provided with the upper connecting pipe (15); the top end of the outer top of the upper connecting pipe (15) is fixed with the mounting plate (14), and the top end of the mounting plate (14) is provided with the disassembly bolt (16); the top end and the bottom end of the mounting seat (11) are respectively provided with connecting holes (17); the top end and the bottom end of the mounting seat (11) are respectively provided with the filter screen (18); the bottom end of the outer bottom of the upper connecting pipe (15) is fixed with the upper connecting flange (19), and the top end of the outer top of the water inlet pipe (12) is fixed with the lower connecting flange (20).

2. A multi-stage shell-and-tube condenser according to claim 1, characterized in that: The disassembly bolts (16) penetrate the interior of the mounting plate (14), and five groups of the disassembly bolts (16) are arranged in an annular manner at equal intervals on the mounting plate (14). The connection holes (17) are arranged in an annular manner at equal intervals inside the top end and the bottom end of the mounting seat (11).

3. A multi-stage shell and tube condenser according to claim 1, characterized in that: The upper connecting pipe (15) and the mounting plate (14) are symmetrically arranged with respect to the vertical center line of the mounting seat (11), and the upper connecting flange (19) and the lower connecting flange (20) are fixedly connected by bolt locking members.

4. The multi-stage tube-in-tube condenser according to claim 1, characterized in that: Shields (24) are respectively provided at both ends of the outer shell (2), fixing blocks (4) are fixed at the top and bottom of both ends of the outer shell (2), and screw holes (23) are provided inside the fixing blocks (4), connecting bolts (22) are respectively penetrated at the top and bottom of the rear end of the shield (24), and support rods (21) are respectively fixed at the top and bottom of both sides of the shield (24).

5. A multi-stage shell-and-tube condenser according to claim 4, characterized in that: The support rods (21) are arranged in multiple groups at equal intervals vertically on both sides of the interior of the protective cover (24).

6. The multi-stage tube-in-tube condenser according to claim 1, characterized in that: A connecting seat (1) is welded and fixed to the bottom end of the outer shell (2), and a base (25) is arranged at the bottom end of the connecting seat (1). A bottom plate (27) is welded and fixed to the bottom end outside the base (25), and mounting bolts (26) are arranged at both ends of the top of the base (27). Insert blocks (30) are fixed at both ends of the bottom of the connecting seat (1), slots (29) are arranged at both ends of the top of the base (25), and locking blocks (28) are movably connected at both ends of the bottom of both sides of the base (25).

7. A multi-stage shell-and-tube condenser according to claim 6, characterized in that: The two sides of the slot (29) respectively penetrate the two sides of the base (25), the insert block (30) penetrates the interior of the slot (29), and the mounting bolt (26) penetrates the interior of the bottom plate (27).

8. The multi-stage tube-in-tube condenser according to claim 1, characterized in that: A refrigerant outlet (3) is welded and fixed to the bottom end of the left side of the outer shell (2), a lower connecting plate (7) is welded and fixed to the top end of the outer shell (2), an upper connecting plate (8) is welded and fixed to the bottom end of the outer cover (9), the upper connecting plate (8) and the lower connecting plate (7) are fixedly connected by bolt locking members, a water outlet pipe (10) is welded and fixed to the left side of the top end of the top cover (9), a plurality of groups of heat exchange tubes (5) are vertically arranged inside the outer shell (2), and a deflection baffle (6) is respectively arranged at the top of the front end and the bottom of the rear end of the heat exchange tube (5), a refrigerant inlet (13) is welded and fixed to the top end of the right side of the outer shell (2), and a head is arranged inside the top end of the outer shell (2).

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