A detachable dry shell-and-tube evaporator

Abstract

This utility model discloses a detachable dry shell-and-tube evaporator, relating to the field of evaporators. It includes a cylinder supported on a base by a support plate; an inlet pipe extending through one side of the cylinder for introducing high-temperature steam into the cylinder; a drain pipe extending through the cylinder on the side corresponding to the inlet pipe for discharging condensate generated during heat exchange within the cylinder; a snap-fit ​​mechanism on the outer wall of the inlet pipe for detachably connecting a connecting pipe; and a cover plate on the other side of the cylinder. The cover plate has a fixing disc on its inner side for embedding into the cylinder opening, and an insertion block on its outer wall. The insertion block is slotted into the cylinder opening under the control of a telescopic mechanism. A rotating block is located on the outer side of the cover plate, controlling the telescopic mechanism's extension and retraction by rotation. This utility model allows for quick disassembly of the cover plate, simplifying the cleaning of the evaporator's interior. Operators can easily remove dirt and residue, thus maintaining the equipment's efficient operation.

Description

Technical Field

[0001] This utility model relates to the field of evaporators, specifically to a detachable dry shell-and-tube evaporator. Background Technology

[0002] Detachable evaporators are highly efficient heat exchange devices widely used in industrial and civil fields. A detachable evaporator consists of two parts: a shell and a tube bundle. The shell is a sealed container with inlet and outlet pipes inside for the flow of the medium. The tube bundle is composed of many parallel small tubes, usually made of metal, used to transfer heat.

[0003] The existing technology has the following problems:

[0004] The existing device is cumbersome to remove the cover plate during use. Over time, dirt and deposits may accumulate inside the evaporator, affecting heat exchange efficiency. The cumbersome removal of the cover plate makes cleaning extremely difficult, even impossible. If the cover plate cannot be removed, inspection is significantly limited, potentially leading to inaccurate fault diagnosis and delayed repairs. Furthermore, the existing device cannot quickly connect or disconnect the intake pipe during operation. The inability to quickly connect the intake pipe during routine maintenance causes considerable inconvenience and burden for users, failing to improve convenience. Utility Model Content

[0005] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a detachable dry shell-and-tube evaporator. The cover plate can be quickly removed. The design of being able to remove the cover plate makes the cleaning work inside the evaporator simpler. Operators can easily enter the equipment to thoroughly remove dirt and residue, thereby maintaining the efficient operation of the equipment.

[0006] The objective of this invention is achieved through the following technical solution: This detachable dry shell-and-tube evaporator comprises:

[0007] The cylinder is supported on the base by a support plate;

[0008] An air inlet pipe is installed on one side of the cylinder and is used to introduce high-temperature steam into the cylinder.

[0009] The drain pipe is installed on the side of the cylinder corresponding to the air inlet pipe and is used to discharge the condensate generated by heat exchange through the cylinder.

[0010] A snap-fit ​​mechanism, located on the outer wall of the intake pipe, is used for detachable connection of the connecting pipe; and

[0011] A cover plate is provided on the other side of the cylinder. A fixing plate is provided on the inner side of the cover plate for embedding into the opening of the cylinder. An insert block is provided on the outer wall of the fixing plate. The insert block is connected to the opening of the cylinder in a slot-like manner under the control of the telescopic mechanism. A rotating block is provided on the outer side of the cover plate. The rotating block controls the telescopic mechanism to extend and retract by rotating.

[0012] As a further technical solution, the clamping mechanism includes a housing. A bevel gear is rotatably connected to the top of the housing via a knob. The bevel gear meshes with a bevel gear ring fitted on the outer wall of the intake pipe. A turntable is also fitted onto the intake pipe, and the turntable is connected to the bevel gear ring via a connecting post. Two arc-shaped grooves are formed through the surface of the turntable, and a limiting post passes through each arc-shaped groove. A moving block is fixedly connected to the end of each limiting post. A limiting rod passes through the moving block, and the end of the limiting rod is fixedly connected to the inner wall of the housing. When the knob is rotated, the two moving blocks move towards or away from each other along the corresponding limiting rods, thereby clamping or releasing the connecting pipe.

[0013] As a further technical solution, a third spring is fitted onto the outer wall of the limiting rod.

[0014] As a further technical solution, several slots are formed along the circumference at the openings on the corresponding sides of the cylinder and the cover plate. Holes are made on the outer wall of the fixing plate at positions corresponding to the slots, allowing the insert blocks to pass through the holes and be inserted into the slots one by one.

[0015] As a further technical solution, the telescopic mechanism includes a rotating shaft passing through the center of the cover plate for connecting and driving a connecting disc. Several inclined blocks are arranged circumferentially on the surface of the connecting disc, forming a ring-shaped multi-level stepped structure. A movable block is set on each step, and a guide post passes through each movable block. The guide post is fixed to the cover plate and fitted with a second spring. Each movable block corresponds one-to-one with an insert block. One end of each movable block facing the slot is rotatably connected to a connecting plate, and the other end of the connecting plate is rotatably connected to the corresponding insert block. When the rotating shaft rotates, the movable block slides relative to the inclined blocks, causing the insert block to extend or retract into the fixed disc.

[0016] As a further technical solution, one end of the rotating shaft extending from the cover plate is connected to the rotating block. Several insertion holes are formed on the cover plate along the circumferential direction, and a pin is inserted eccentrically onto the rotating block to fix the rotational position of the rotating block. A first spring is sleeved on the outer wall of the pin, and the first spring abuts against the surface of the rotating block.

[0017] The beneficial effects of this utility model are as follows:

[0018] 1. Through the cooperation of the rotating block, insert post, first spring, fixed plate, insertion hole, rotating shaft, connecting plate and movable block, the cover plate can be quickly disassembled. The design of being able to disassemble the cover plate makes the cleaning work inside the evaporator simpler. Operators can easily enter the equipment to thoroughly remove dirt and residue, thereby maintaining the efficient operation of the equipment.

[0019] 2. The cooperation of the housing, knob, conical gear ring, connecting column, turntable, arc groove, limit column, moving block, limit rod and third spring allows for quick connection and installation of pipes. The quick-connect pipe design makes the operation of the evaporator simpler and faster, and operators can more easily master the use and maintenance techniques of the equipment, thereby reducing the difficulty of operation and the error rate. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model.

[0021] Figure 2 This is a schematic diagram of the assembly of the cover plate, the fixing plate, and the cylinder in this utility model.

[0022] Figure 3 A schematic diagram of the telescopic mechanism in this utility model.

[0023] Figure 4 This is a schematic diagram of the snap-fit ​​mechanism in this utility model.

[0024] Figure 5 for Figure 4 A magnified view of a portion of region A in the middle.

[0025] Figure 6 This is a schematic diagram of the structure of the movable block and the inclined block in this utility model.

[0026] Explanation of reference numerals in the attached drawings: 1. Base; 2. Support plate; 3. Snap-fit ​​mechanism; 4. Connecting pipe; 5. Air inlet pipe; 6. Drain pipe; 7. Cylinder; 8. Slot; 9. Cover plate; 10. Rotating block; 11. Insert post; 12. First spring; 13. Fixed plate; 14. Insertion hole; 15. Rotating shaft; 16. Connecting plate; 17. Movable block; 18. Connecting plate; 19. Insertion block; 20. Guide post; 21. Second spring; 22. Inclined block; 31. Housing; 32. Knob; 33. Bevel gear ring; 34. Connecting post; 35. Turntable; 36. Arc groove; 37. Limiting post; 38. Moving block; 39. Limiting rod; 310. Bevel gear; 311. Third spring. Detailed Implementation

[0027] The present invention will now be described in detail with reference to the accompanying drawings:

[0028] Example: As attached Figures 1-6As shown, this detachable dry shell-and-tube evaporator includes a base 1, a support plate 2, a snap-fit ​​mechanism 3, a connecting pipe 4, an air inlet pipe 5, a drain pipe 6, a cylinder 7, a slot 8, a cover plate 9, a rotating block 10, an insertion post 11, a first spring 12, a fixing plate 13, an insertion hole 14, a rotating shaft 15, a connecting plate 16, a movable block 17, a connecting plate 18, an insertion block 19, a guide post 20, a second spring 21, an inclined block 22, a shell 31, a knob 32, a bevel gear ring 33, a connecting post 34, a turntable 35, an arc groove 36, a limiting post 37, a moving block 38, a limiting rod 39, a bevel gear 310, a third spring 311, and a telescopic mechanism.

[0029] Reference Appendix Figure 1 The cylinder 7 is supported on the base 1 by the support plate 2. The air inlet pipe 5 is installed on the left side of the cylinder 7, and the air inlet pipe 5 can introduce high-temperature steam into the cylinder 7. The drain pipe 6 is also installed on the left side of the cylinder 7 (that is, the side corresponding to the air inlet pipe 5), and the drain pipe 6 can discharge the condensate generated by heat exchange through the cylinder 7.

[0030] like Figure 1 , 4 As shown in Figure 5, the snap-fit ​​mechanism 3 is installed on the outer wall of the intake pipe 5, and the connecting pipe 4 is detachably connected using the snap-fit ​​mechanism 3. Further, the snap-fit ​​mechanism 3 includes a housing 31, the top of which is rotatably connected to a bevel gear 310 via a knob 32. The bevel gear 310 meshes with a bevel gear ring 33 fitted on the outer wall of the intake pipe 5. A turntable 35 is also fitted on the intake pipe 5, and the turntable 35 is connected to the bevel gear ring 33 via a connecting post 34. Two arc-shaped grooves 36 are formed through the surface of the turntable 35, and a limiting post 37 passes through each arc-shaped groove 36. A moving block 38 is fixedly connected to the end of each limiting post 37, and two limiting rods 39 pass through each moving block 38. The ends of the limiting rods 39 are fixedly connected to the inner wall of the housing 31, and a third spring 311 is fitted on the outer wall of the limiting rods 39. When the knob 32 is turned, the two moving blocks 38 move towards or away from each other along the corresponding limit rods 39, thereby clamping or releasing the connecting pipe 4.

[0031] Reference Appendix Figure 1 , 2 3, 6. The cover plate 9 is located on the right side of the cylinder 7. A fixing plate 13 is provided on the inner side of the cover plate 9 to be embedded in the opening of the cylinder 7. Four slots 8 (four in this embodiment, but other numbers are also possible) are opened along the circumferential direction on the opening of the cylinder 7 corresponding to the cover plate 9. Holes are opened on the outer wall of the fixing plate 13 at positions corresponding to the slots 8, so that the inserts 19 (also four in number) can pass through the holes and be inserted into the slots 8 one by one. The inserts 19 are connected to the opening of the cylinder 7 in a slot-like manner under the control of the telescopic mechanism. A rotating block 10 is provided on the outer side of the cover plate 9. The rotating block 10 controls the telescopic mechanism to extend and retract by rotating.

[0032] Furthermore, the telescopic mechanism includes a rotating shaft 15 passing through the center of the cover plate 9. The rotating shaft 15 can connect and drive a connecting plate 16. Four inclined blocks 22 are arranged circumferentially on the surface of the connecting plate 16. The four inclined blocks 22 are connected end to end to form a ring-shaped multi-level (four-level) step structure. A movable block 17 is provided on each step. A guide post 20 passes through each movable block 17. The guide post 20 is fixed on the cover plate 9, and a second spring 21 is sleeved on each guide post 20. The movable blocks 17 correspond one-to-one with the insert blocks 19. Each movable block 17 is rotatably connected (hinged) to a connecting plate 18 at one end facing the slot 8. The other end of the connecting plate 18 is rotatably connected (hinged) to the corresponding insert block 19. When the rotating shaft 15 rotates, the movable block 17 slides relative to the inclined block 22. Due to the presence of the guide post 20, the movable block 17 does not rotate relative to the fixed disk 13, but moves axially relative to the fixed disk 13. The movable block 17 rotates relative to the connecting plate 18, and at the same time, the connecting plate 18 rotates relative to the insert block 19, thereby causing the insert block 19 to extend or retract into the fixed disk 13.

[0033] like Figure 2 As shown, preferably, one end of the rotating shaft 15 extending out of the cover plate 9 is connected to the rotating block 10. Several insertion holes 14 are opened on the cover plate 9 along the circumferential direction. An insertion post 11 is inserted through the eccentric part of the rotating block 10. The insertion post 11 can be inserted into an insertion hole 14 to fix the rotation position of the rotating block 10. A first spring 12 is sleeved on the outer wall of the insertion post 11 and abuts against the surface of the rotating block 10.

[0034] The working process of this utility model:

[0035] During the use of the device, the connecting pipe 4 is installed first. When it is necessary to install or remove the connecting pipe 4, the knob 32 can be turned first. The knob 32 drives the bevel gear 310 to rotate. The bevel gear 310 meshes with the bevel gear ring 33, and the rotation of the bevel gear ring 33 drives the turntable 35 to rotate through the connecting post 34. The arc groove 36 on the turntable 35 then rotates. The interaction between the arc groove 36 and the limiting post 37 can simultaneously drive the two moving blocks 38 to move towards the center or in opposite directions. When the two moving blocks 38 move in opposite directions (i.e., away from each other), the connecting pipe 4 can be released, and the connecting pipe 4 can be quickly removed. Conversely, turning the knob 32 in the opposite direction can drive the two moving blocks 38 to move towards the center (i.e., towards each other), thereby pressing the outer wall of the connecting pipe 4 and fixing the connecting pipe 4, which improves the convenience of the device. High-temperature steam can then be introduced into the cylinder 7 through the air inlet pipe 5, followed by the injection of the liquid to be heated. The high-temperature steam will transfer heat to the liquid through the coil inside the device, and then the high-temperature steam will turn into liquid and be discharged from the drain pipe 6. After prolonged use of the device, the cover plate 9 needs to be disassembled. When cleaning the inside of the cylinder 7, the insert post 11 can be pulled first. Once the insert post 11 is disengaged from the insertion hole 14, the rotating block 10 can be rotated. The rotation of the rotating block 10 can drive the rotating shaft 15 to rotate, which in turn drives the connecting plate 16 to rotate, thereby driving the inclined block 22 on the rear side of the connecting plate 16 to rotate. The rotation of the inclined block 22 can drive the movable block 17 to move axially, which in turn drives the connecting plate 18 to rotate. The rotation of the connecting plate 18 can drive the insert block 19 to move. Once the insert block 19 moves and retracts into the fixed plate 13, the cover plate 9 can be removed to clean the inside of the cylinder 7, thus maintaining the efficient operation of the equipment.

[0036] It is understood that, for those skilled in the art, any equivalent substitutions or modifications to the technical solutions and inventive concepts of this utility model should fall within the protection scope of the appended claims.

Claims

1. A detachable dry shell and tube evaporator characterized by, include: The cylinder (7) is supported on the base (1) by the support plate (2); An air inlet pipe (5) is installed on one side of the cylinder (7) to introduce high-temperature steam into the cylinder (7); The drain pipe (6) is installed on the side of the cylinder (7) corresponding to the air inlet pipe (5) to discharge the condensate generated by heat exchange through the cylinder (7); A snap-fit ​​mechanism (3) is provided on the outer wall of the air intake pipe (5) for detachably connecting the connecting pipe (4); and A cover plate (9) is provided on the other side of the cylinder (7). A fixing plate (13) for embedding into the opening of the cylinder (7) is provided on the inner side of the cover plate (9). An insert (19) is provided on the outer wall of the fixing plate (13). The insert (19) is connected to the opening of the cylinder (7) in a slot-like manner under the control of the telescopic mechanism. A rotating block (10) is provided on the outer side of the cover plate (9). The rotating block (10) controls the telescopic mechanism to extend and retract by rotating.

2. The detachable dry shell and tube evaporator of claim 1, wherein: The clamping mechanism (3) includes a housing (31). The top of the housing (31) is connected to a bevel gear (310) by a knob (32). The bevel gear (310) meshes with a bevel gear ring (33) sleeved on the outer wall of the air intake pipe (5). A turntable (35) is also sleeved on the air intake pipe (5). The turntable (35) and the bevel gear ring (33) are connected by a connecting post (34). Two arc-shaped grooves (36) are opened through the surface of the turntable (35). A limiting post (37) is inserted in each arc-shaped groove (36). A moving block (38) is fixedly connected to the end of each limiting post (37). A limiting rod (39) is inserted on the moving block (38). The end of the limiting rod (39) is fixedly connected to the inner wall of the housing (31). When the knob (32) is turned, the two moving blocks (38) move towards or away from each other along the corresponding limiting rod (39), thereby clamping or releasing the connecting pipe (4).

3. The detachable dry shell tube evaporator of claim 2, wherein: A third spring (311) is fitted on the outer wall of the limiting rod (39).

4. The detachable dry shell tube evaporator of claim 1, wherein: The opening of the cylinder (7) on the side corresponding to the cover plate (9) has several slots (8) opened along the circumferential direction. The outer wall of the fixing plate (13) has holes at positions corresponding to the slots (8), so that the insert (19) passes through the holes and is inserted into the slots (8) one by one.

5. The detachable dry shell tube evaporator of claim 4, wherein: The telescopic mechanism includes a rotating shaft (15) passing through the center of the cover plate (9) for connecting and driving the connecting plate (16). Several inclined blocks (22) are arranged on the surface of the connecting plate (16) along the circumferential direction to form a ring-shaped multi-level step structure. A movable block (17) is arranged on each step. A guide post (20) passes through each movable block (17). The guide post (20) is fixed on the cover plate (9) and fitted with a second spring (21). The movable block (17) corresponds to the insertion block (19) one by one. One end of each movable block (17) facing the slot (8) is rotatably connected to a connecting plate (18). The other end of the connecting plate (18) is rotatably connected to the corresponding insertion block (19). When the rotating shaft (15) rotates, the movable block (17) slides relative to the inclined block (22), driving the insertion block (19) to extend or retract into the fixed plate (13).

6. The detachable dry shell tube evaporator of claim 5, wherein: The end of the rotating shaft (15) extending out of the cover plate (9) is connected to the rotating block (10). Several insertion holes (14) are opened on the cover plate (9) along the circumferential direction. A pin (11) is inserted at the eccentric position on the rotating block (10) to be inserted into a pin hole (14) to fix the rotation position of the rotating block (10). A first spring (12) is sleeved on the outer wall of the pin (11) and the first spring (12) abuts against the surface of the rotating block (10).

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