A reboiler

Abstract

The utility model discloses a reboiler, including the liquid collecting component, the liquid collecting component includes the liquid collecting jar, and the circumferential inner wall between liquid collecting jar is fixedly connected with the support plate, and one support plate is fixedly inserted with a plurality of upper fixed head, and another support plate is fixedly inserted with a plurality of lower fixed head, the circumferential inner wall between liquid collecting jar is fixedly connected with a plurality of baffle, and is equipped with two guide grooves on baffle, be equipped with heat exchange component between upper fixed head and lower fixed head, and heat exchange component includes heat exchange pipe, and both ends of heat exchange pipe are fixedly connected with the connecting head, and two connecting heads are fixed with upper fixed head and lower fixed head through bolt respectively. The utility model discloses through opening the sealed door, then, connecting head and upper fixed head and lower fixed head are disassembled, to detach heat exchange pipe from upper fixed head and lower fixed head, and heat exchange pipe is taken out from the side mouth and is cleaned and is replaced, and simple operation, convenient and fast.

Description

Technical Field

[0001] This utility model relates to the field of chemical equipment technology, and in particular to a reboiler. Background Technology

[0002] Currently, a reboiler is a special heat exchange device that can vaporize a liquid again. It is a special heat exchanger that can exchange heat and has a vaporization space. It can vaporize the liquid again, and the vaporized two-phase flow is sent back to the fractionation tower. It is widely used in petrochemical, coal chemical, light industry, food, and pharmaceutical manufacturing.

[0003] Among them, a search revealed Chinese patent CN207936802U, which discloses a reboiler. In the application of the above-mentioned patent's technical solution, the heat exchange tubes are fixed inside the shell of the reboiler, making it inconvenient to remove the heat exchange tubes for cleaning or replacement. Therefore, in order to better realize the heat exchanger replacement function, promote the technological progress of the industry, and improve the core technology competitiveness, this application proposes a new implementation scheme that is different from the existing heat exchange tube connection structure in the reboiler. Utility Model Content

[0004] The purpose of this invention is to solve the problem that the heat exchange tubes in existing reboilers are inconvenient to remove for cleaning or replacement, and to propose a new type of reboiler.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A reboiler includes a liquid collecting assembly, which includes a liquid collecting tank. Support plates are fixedly connected between the inner circumferential walls of the liquid collecting tank. Multiple upper fixing heads are fixedly inserted into one support plate, and multiple lower fixing heads are fixedly inserted into the other support plate. Multiple baffles are fixedly connected between the inner circumferential walls of the liquid collecting tank, and each baffle has two guide grooves. A heat exchange assembly is provided between the upper and lower fixing heads. The heat exchange assembly includes a heat exchange tube, and connectors are fixedly connected to both ends of the heat exchange tube. The two connectors are respectively fixed to the upper and lower fixing heads by bolts. A sealing plate is fixedly connected to the outer wall of the heat exchange tube, and the sealing plate engages with the guide grooves.

[0007] Furthermore, mesh plates are attached to both the top and bottom of the liquid collection tank.

[0008] Furthermore, the liquid collection tank is provided with a steam inlet and a drain outlet on one side, and a reboiler outlet, a side exhaust outlet and a condensate outlet on the other side.

[0009] Furthermore, the bottom of the liquid collecting tank is provided with a reboiler inlet, and the top of the liquid collecting tank is provided with an upper exhaust port.

[0010] Furthermore, sealing gaskets are fixedly connected to both the top and bottom of the sealing plate.

[0011] Furthermore, a sealing ring is snapped into one end of the connector.

[0012] Furthermore, the liquid collection tank is provided with multiple side openings on multiple sides, and a sealing door is connected to the inner wall of one side opening by a hinge, and a connecting plate is fixedly connected to the other side of the sealing door.

[0013] Furthermore, the outer circumferential wall of the liquid collection tank is fixedly connected with multiple fixing plates, and multiple fixing bolts are threadedly connected between the fixing plates and the connecting plates.

[0014] The beneficial effects of this utility model are as follows:

[0015] 1. By opening the sealing door, and then disassembling the connector from the upper and lower fixing heads, the heat exchange tube can be removed from between the upper and lower fixing heads. The heat exchange tube can then be taken out from the side opening for cleaning and replacement. The operation is simple, convenient and quick.

[0016] 2. The sealing rings can seal the connection between the upper and lower fixed heads and the connecting head, thereby preventing leakage of liquid materials. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of a reboiler proposed in this utility model;

[0018] Figure 2 This is a front view of the cross-sectional structure of the liquid collection assembly of a reboiler proposed in this utility model;

[0019] Figure 3 This is a three-dimensional structural diagram of a heat exchange component for a reboiler proposed in this utility model;

[0020] Figure 4 This is a cross-sectional front view schematic diagram of a reboiler proposed in this utility model;

[0021] Figure 5 This is a schematic diagram of the heat exchange component of a reboiler in the sliding-out state according to the present invention.

[0022] In the diagram: 1. Liquid collection assembly; 101. Liquid collection tank; 102. Support plate; 103. Upper fixed head; 104. Lower fixed head; 105. Baffle plate; 106. Guide groove; 107. Mesh plate; 108. Steam inlet; 109. Condensate outlet; 110. Reboiler inlet; 111. Upper exhaust port; 112. Reboiler outlet; 113. Side exhaust port; 114. Drain port; 2. Heat exchange assembly; 201. Heat exchange tube; 202. Connector; 203. Sealing plate; 204. Sealing gasket; 205. Sealing ring; 3. Side opening; 4. Sealing door; 5. Connecting plate; 6. Fixing plate. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Reference Figures 1-5 A reboiler includes a liquid collection assembly 1, which includes a liquid collection tank 101. A support plate 102 is welded between the inner circumferential walls of the liquid collection tank 101. A plurality of upper fixing heads 103 are fixedly inserted into one of the support plates 102, and a plurality of lower fixing heads 104 are fixedly inserted into the other support plate 102. A heat exchange assembly 2 is provided between the upper fixing heads 103 and the lower fixing heads 104.

[0025] The heat exchange assembly 2 includes a heat exchange tube 201, which is an aluminum alloy tube. Both ends of the heat exchange tube 201 are threaded with connectors 202. The two connectors 202 are respectively fixed to the upper fixing head 103 and the lower fixing head 104 by bolts. A sealing plate 203 is welded to the outer wall of the heat exchange tube 201. A sealing gasket 204 is bonded to the top and bottom of the sealing plate 203. The sealing gasket 204 can be a fluororubber sealing gasket.

[0026] Multiple baffles 105 are fixed between the inner circumference of the liquid collection tank 101 by bolts. The baffles 105 are made of stainless steel plates and have two guide grooves 106. The sealing plate 203 is engaged with the guide grooves 106 to facilitate the positioning and installation of the heat exchange tube 201.

[0027] The water vapor descending in the liquid collection tank 101 provides heat to the liquid in the heat exchange tube 201 by layer down along the baffle 105, causing the liquid in the heat exchange tube 201 to vaporize.

[0028] One end of the connector 202 is fitted with a sealing ring 205, which can be a nitrile rubber ring, thereby sealing the connection between the upper fixing head 103 and the lower fixing head 104 and the connector 202, thus preventing leakage of liquid materials.

[0029] Disconnect the connector 202 from the upper fixing head 103 and the lower fixing head 104, thereby removing the heat exchange tube 201 from between the upper fixing head 103 and the lower fixing head 104, and then take out the heat exchange tube 201 from the side opening 3 for cleaning and replacement.

[0030] The top and bottom of the liquid collection tank 101 are fitted with mesh plates 107, which are 10-100 mesh, to facilitate the filtration of liquid materials when they enter and exit, and the mesh plates 107 are removed and cleaned periodically.

[0031] The liquid collection tank 101 is provided with a steam inlet 108 and a drain outlet 114 on one side, so that high-boiling-point steam can be introduced into the liquid collection tank 101 through the steam inlet 108. The other side of the liquid collection tank 101 is provided with a reboiler outlet 112, a side exhaust outlet 113 and a condensate outlet 109, and the fallen condensate is discharged along the condensate outlet 109.

[0032] The bottom of the liquid collection tank 101 is provided with a reboiler inlet 110. Liquid phase material enters the liquid collection tank 101 from the reboiler inlet 110. The top of the liquid collection tank 101 is provided with an upper exhaust port 111. When the gas pressure in the liquid collection tank 101 exceeds the set value, it can be vented through the upper exhaust port 111 to ensure the gas pressure in the liquid collection tank 101 is stable.

[0033] The liquid collection tank 101 has multiple side openings 3 on multiple sides. A sealing door 4 is connected to the inner wall of one side of the side opening 3 by a hinge. A connecting plate 5 is welded to the other side of the sealing door 4. Multiple fixing plates 6 are welded to the outer circumference of the liquid collection tank 101. Multiple fixing bolts are threaded between the fixing plate 6 and the connecting plate 5. The sealing door 4 is closed, and then the fixing bolts are passed through the fixing plate 6 and the connecting plate 5 and tightened to lock the sealing door 4.

[0034] The working principle of this embodiment is as follows: During use, the liquid material enters the collection tank 101 through the reboiler inlet 110. Under pressure, the liquid in the collection tank 101 enters the heat exchange tube 201 through the lower fixed head 104. At the same time, high-boiling-point water vapor is introduced into the collection tank 101 through the water vapor inlet 108. Part of the water vapor is cooled by the heat absorption of the liquid in the heat exchange tube 201 and condenses into water that falls off. The condensate is discharged through the condensate outlet 109, and another part of the water vapor is discharged through the side exhaust port 113. The water vapor descending in the collection tank 101 provides heat to the liquid in the heat exchange tube 201 by descending layer by layer along the baffle 105, causing the liquid in the heat exchange tube 201 to vaporize. After vaporization, the liquid enters the top of the collection tank 101 and is sent back to the fractionation tower from the reboiler outlet 112.

[0035] When the gas pressure in the collection tank 101 exceeds the set value, it can be vented through the upper exhaust port 111 to ensure the gas pressure in the collection tank 101 is stable; impurities in the collection tank 101 can be discharged from the drain port 114.

[0036] When the heat exchange tube 201 needs to be cleaned or replaced, unscrew the fixing bolts, open the sealing door 4, and then disassemble the connector 202 from the upper fixing head 103 and the lower fixing head 104, thereby removing the heat exchange tube 201 from between the upper fixing head 103 and the lower fixing head 104. Then, take the heat exchange tube 201 out from the side opening 3 for cleaning and replacement.

[0037] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A reboiler, comprising a liquid collection assembly (1), characterized in that, The liquid collection assembly (1) includes a liquid collection tank (101), and a support plate (102) is fixedly connected between the inner circumferential walls of the liquid collection tank (101). Multiple upper fixing heads (103) are fixedly inserted into one support plate (102), and multiple lower fixing heads (104) are fixedly inserted into the other support plate (102). Multiple baffles (105) are fixedly connected between the inner circumferential walls of the liquid collection tank (101), and two guide grooves (106) are provided on the baffles (105). A heat exchange assembly (2) is provided between the upper fixing head (103) and the lower fixing head (104). The heat exchange assembly (2) includes a heat exchange tube (201). Both ends of the heat exchange tube (201) are fixedly connected to connectors (202). The two connectors (202) are respectively fixed to the upper fixing head (103) and the lower fixing head (104) by bolts. A sealing plate (203) is fixedly connected to the outer wall of the heat exchange tube (201). The sealing plate (203) is engaged with the guide groove (106).

2. A reboiler according to claim 1, characterized in that, Mesh plates (107) are snapped into the top and bottom of the liquid collection tank (101).

3. A reboiler according to claim 1, characterized in that, The liquid collection tank (101) has a steam inlet (108) and a drain outlet (114) on one side, and a reboiler outlet (112), a side exhaust outlet (113), and a condensate outlet (109) on the other side.

4. A reboiler according to claim 1, characterized in that, The bottom of the liquid collection tank (101) is provided with a reboiler inlet (110), and the top of the liquid collection tank (101) is provided with an upper exhaust port (111).

5. A reboiler according to claim 1, characterized in that, The top and bottom of the sealing plate (203) are both fixedly connected with sealing gaskets (204).

6. A reboiler according to claim 1, characterized in that, A sealing ring (205) is snapped into one end of the connector (202).

7. A reboiler according to claim 1, characterized in that, The liquid collection tank (101) is provided with multiple side openings (3) on multiple sides. A sealing door (4) is connected to the inner wall of one side of the side opening (3) by a hinge. A connecting plate (5) is fixedly connected to the other side of the sealing door (4).

8. A reboiler according to claim 1, characterized in that, The outer circumferential wall of the liquid collection tank (101) is fixedly connected with multiple fixing plates (6), and multiple fixing bolts are threadedly connected between the fixing plates (6) and the connecting plate (5).

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