CN216482347U

CN216482347U - Tube still condenser

Info

Publication number: CN216482347U
Application number: CN202122635070.2U
Authority: CN
Inventors: 王帅
Original assignee: Jiangsu Xianshuai Technology Co ltd
Current assignee: Jiangsu Xianshuai Technology Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-10
Anticipated expiration: 2031-10-29

Abstract

The utility model relates to the technical field of auxiliary equipment for chemical production, in particular to a tube still condenser, which comprises a tube body, wherein two ends of the tube body are respectively fixedly connected with an upper shell and a lower shell through bolts; according to the utility model, the device is split, so that the internal parts can be conveniently detached and cleaned, the use is convenient, the maintenance time can be reduced, and the cleaning effect is improved.

Description

Tube still condenser

Technical Field

The utility model relates to the technical field of chemical production auxiliary equipment, in particular to a shell and tube condenser.

Background

At present, in the production process of esters, cooling of the esters is an important process, a condenser is required in the process, and the shell and tube condenser is a heat exchanger which is most widely applied in the chemical production at present; the heat exchanger mainly comprises a shell, a tube plate, a heat exchange tube, an end enclosure, a baffling baffle plate and the like; the heat exchange tube is heated when a material to be cooled containing heat energy runs in the heat exchange tube, and then the heat exchange tube transfers the energy to a cooling medium wrapped outside the heat exchange tube for cooling, so that the heat exchange tube is a core component of the heat exchanger; after the heat exchange tube is used for a period of time, a layer of medium is attached to the surface of the heat exchange tube, so that the heat exchange efficiency of the heat exchange tube is reduced, the surface of the heat exchange tube is often required to be cleaned at intervals of one end, however, the existing heat exchange tube is a light tube, the structure is simple, and two ends of the heat exchange tube are generally directly welded on the tube plate, so that the cleaning difficulty is improved, and the maintenance time is prolonged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a shell and tube condenser, which mainly solves the problems that a heat exchange tube needs to be cleaned once after being used for a period of time, but the two ends of the heat exchange tube are directly welded on a tube plate, so that the cleaning difficulty is improved, and the maintenance time is prolonged.

In order to achieve the purpose, the utility model provides the following technical scheme:

a shell and tube condenser comprises a pipe body, a spiral pipe, a splitter disc, splitter tubes, an upper shell and a lower shell, wherein the two ends of the pipe body are respectively fixedly connected with the upper shell and the lower shell through bolts, the opposite surface of the pipe body and the upper shell is provided with a first-stage mounting groove, a mounting plate is fixedly connected in the first-stage mounting groove, the inner wall of the pipe body is fixedly connected with an L-shaped plate, the bottom end of the L-shaped plate is provided with a drain hole, the L-shaped plate divides the inner wall of the pipe body into a pre-cooling cavity and a reaction cavity, the spiral pipe is arranged in the pre-cooling cavity, one end of the spiral pipe penetrates through the upper surface of the mounting plate and is fixedly connected with the inner wall of the mounting plate, the other end of the spiral pipe penetrates through the lower surface of the L-shaped plate and is connected with the splitter disc in a sliding manner, the top end of the splitter disc is fixedly connected with the bottom end of the L-shaped plate, and a plurality of splitter tubes are arranged in the reaction cavity, the one end of multiunit shunt tubes runs through the bottom of flow distribution disc and with the inner wall sliding connection of flow distribution disc, the other end of shunt tubes runs through the upper surface of mounting panel and is linked together with the inner wall of last casing.

Preferably, a second-stage installation groove is formed in the opposite surface of the pipe body and the lower shell, a baffle plate is fixedly connected in the second-stage installation groove, and a shunt pipe is sleeved on the inner wall of the baffle plate.

Preferably, the upper shell is internally provided with a heat insulation plate, the heat insulation plate separates the inner wall of the upper shell into a feeding cavity and a discharging cavity, the outer surface of the upper shell and one side of the feeding cavity are provided with a feeding hole, and the outer surface of the upper shell and one side of the discharging cavity are provided with a discharging hole.

Preferably, a limiting groove is formed in the bottom end of the mounting plate, a limiting block is fixedly connected to the upper surface of the L-shaped plate, and the limiting block is matched with the limiting groove.

Preferably, a water inlet is formed in one side, located on the pre-cooling chamber, of the outer surface of the pipe body, and a water outlet is formed in one side, located on the reaction chamber, of the outer surface of the pipe body.

Preferably, the outer surfaces of the mounting plate and the baffle plate are provided with sealing gaskets.

Preferably, the material of the sealing gasket is a heat-resistant material.

Preferably, the baffle plate, the mounting plate and the shunt pipe are respectively provided with a primary sealing ring at the joint, and the cross section of the primary sealing ring is of a flat structure.

Preferably, a second-stage sealing ring is arranged at the joint of the L-shaped plate and the spiral pipe, and the cross section of the second-stage sealing ring is of a flat structure.

Preferably, the first-stage sealing ring and the second-stage sealing ring are made of heat-resistant materials.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the flow velocity of the medium can be slowed down through the spiral pipe, the cooling time of the cooling liquid and the medium is prolonged, the cooling effect is improved, and a certain precooling effect can be achieved; then through in shunting the reposition of redundant personnel dish with the medium to the multiunit reposition of redundant personnel, can reduce flowing through of medium, further improve the cooling effect to, through regarding the device as split type, be convenient for dismantle the washing to inside spare part, convenient to use can reduce the maintenance time, improves the clearance effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of a shell and tube condenser of the present invention;

FIG. 2 is a schematic view of the internal structure of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure at A of FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B of fig. 2 according to the present invention.

In the figure: the device comprises a pipe body 1, a water inlet 101, a water outlet 102, an L-shaped plate 2, a limiting block 21, a water discharging hole 22, a pre-cooling chamber 3, a reaction chamber 4, a spiral pipe 5, a flow dividing disc 6, a flow dividing pipe 7, an upper shell 8, a feeding hole 81, a discharging hole 82, a heat insulating plate 83, a feeding chamber 84, a discharging chamber 85, a lower shell 9, a first-stage mounting groove 10, a mounting plate 11, a limiting groove 111, a second-stage mounting groove 12, a baffle plate 13, a sealing gasket 14, a first-stage sealing ring 15 and a second-stage sealing ring 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution:

a tube still condenser comprises a tube body 1, a spiral tube 5, a splitter plate 6, a splitter tube 7, an upper shell 8 and a lower shell 9, wherein two ends of the tube body 1 are fixedly connected with the upper shell 8 and the lower shell 9 through bolts respectively, a first-level mounting groove 10 is formed in the opposite surface of the tube body 1 and the upper shell 8, a mounting plate 11 is fixedly connected in the first-level mounting groove 10, an L-shaped plate 2 is fixedly connected to the inner wall of the tube body 1, a drain hole 22 is formed in the bottom end of the L-shaped plate 2, the inner wall of the tube body 1 is divided into a pre-cooling chamber 3 and a reaction chamber 4 by the L-shaped plate 2, the spiral tube 5 is arranged in the pre-cooling chamber 3, one end of the spiral tube 5 penetrates through the upper surface of the mounting plate 11 and is fixedly connected with the inner wall of the mounting plate 11, the other end of the spiral tube 5 penetrates through the lower surface of the L-shaped plate 2 and is slidably connected with the splitter plate 6, the top end of the splitter plate 6 is fixedly connected with the bottom end of the L-shaped plate 2, a multi-component flow tube 7 is arranged in the reaction chamber 4, one end of the multi-component flow pipe 7 penetrates through the bottom end of the flow distribution disc 6 and is in sliding connection with the inner wall of the flow distribution disc 6, and the other end of the flow distribution pipe 7 penetrates through the upper surface of the mounting plate 11 and is communicated with the inner wall of the upper shell 8.

When the medium enters the spiral pipe 5 from the upper shell 8, the medium and the cooling liquid in the pre-cooling chamber 3 can be subjected to primary cooling, the flow speed of the medium can be reduced through the spiral pipe 5, the cooling time of the cooling liquid and the medium is prolonged, and the cooling effect is improved; then the medium flows into the flow distribution disc 6 from the spiral pipe 5, and then is sequentially distributed into the multi-component flow pipe 7 from the flow distribution disc 6, and then the medium and the cooling liquid in the reaction chamber 4 are subjected to secondary cooling, so that the flow path of the medium can be reduced through the flow distribution pipe 7, the medium in the spiral pipe 5 can be subjected to flow distribution cooling, and the cooling effect is further improved; moreover, the device is split, so that the internal parts can be conveniently detached and cleaned, the use is convenient, the maintenance time can be reduced, and the cleaning effect is improved.

As an embodiment of the utility model, a second-stage installation groove 12 is formed on the opposite surface of the pipe body 1 and the lower shell 9, a baffle plate 13 is fixedly connected in the second-stage installation groove 12, and a shunt pipe 7 is sleeved on the inner wall of the baffle plate 13; can play a certain role in fixing the shunt pipe 7.

In one embodiment of the present invention, a heat insulation plate 83 is disposed in the upper casing 8, the heat insulation plate 83 separates the inner wall of the upper casing 8 into a feeding chamber 84 and a discharging chamber 85, a feeding hole 81 is formed on the outer surface of the upper casing 8 at one side of the feeding chamber 84, and a discharging hole 82 is formed on the outer surface of the upper casing 8 at one side of the discharging chamber 85.

Can separate the medium in feed cavity 84 and ejection of compact cavity 85 through heat insulating board 83, prevent that the medium in the feed cavity 84 from passing through the mode of heat transfer with heat transfer to ejection of compact cavity 85 in for the medium temperature in the ejection of compact cavity 85 rises, and then reduces cooling effect.

As an embodiment of the present invention, the bottom end of the mounting plate 11 is provided with a limiting groove 111, the upper surface of the L-shaped plate 2 is fixedly connected with a limiting block 21, and the limiting block 21 is matched with the limiting groove 111.

The spiral pipe 5 can be conveniently inserted into the flow distribution plate 6 for quick installation.

As an embodiment of the present invention, a water inlet 101 is opened on the outer surface of the tube body 1 and on one side of the pre-cooling chamber 3, and a water outlet 102 is opened on the outer surface of the tube body 1 and on one side of the reaction chamber 4; the cooling liquid in the pipe body 1 can flow circularly, so that the heat energy in the medium can be taken away in a heat exchange mode.

As an embodiment of the present invention, the outer surfaces of the mounting plate 11 and the baffle 13 are provided with gaskets 14; the sealability of the pipe body 1 can be enhanced.

In one embodiment of the present invention, the gasket 14 is made of a heat-resistant material; the service life of the gasket 14 can be extended.

As an embodiment of the utility model, the connection parts of the baffle plate 13, the mounting plate 11 and the shunt tube 7 are respectively provided with a primary sealing ring 15, and the cross section of the primary sealing ring 15 is of a flat structure; the contact area can be increased, thereby enhancing the sealability.

As an embodiment of the utility model, a secondary sealing ring 16 is arranged at the joint of the L-shaped plate 2 and the spiral pipe 5, and the cross section of the secondary sealing ring 16 is of a flat structure; the contact area can be increased, thereby enhancing the sealability.

In one embodiment of the present invention, the primary seal ring 15 and the secondary seal ring 16 are made of heat-resistant materials; the service life of the sealing ring can be prolonged, the deformation of the sealing ring caused by overhigh temperature is prevented, and therefore the sealing effect is lost.

The working principle is as follows: when a user needs to use the device, firstly, cooling liquid is discharged into the pre-cooling chamber 3 from the water inlet 101, then the cooling liquid flows into the reaction chamber 4 from the water discharge hole 22, and then flows out of the water outlet 102 into the water storage tank for recycling, when the cooling liquid flows out of the water outlet 102, a medium is discharged into the feeding chamber 84 from the feeding hole 81, and then the medium flows into the spiral pipe 5 from the feeding chamber 84, so that the medium and the cooling liquid in the pre-cooling chamber 3 are primarily cooled in a heat exchange mode, meanwhile, the flow rate of the medium can be reduced through the spiral pipe 5, the cooling time of the cooling liquid and the medium is prolonged, and the cooling effect is improved; then the medium flows into the flow distribution disc 6 from the spiral pipe 5, and then is sequentially distributed into the multi-component flow pipe 7 from the flow distribution disc 6, and then the medium and the cooling liquid in the reaction chamber 4 are subjected to secondary cooling, so that the flow path of the medium can be reduced through the flow distribution pipe 7, the medium in the spiral pipe 5 can be subjected to flow distribution cooling, and the cooling effect is further improved; moreover, the device is split, so that the internal parts are convenient to disassemble and clean, and the use is convenient.

When the cooling effect of the medium is reduced, the spiral pipe 5 and the shunt pipes 7 need to be cleaned, the lower shell 9 is firstly disassembled, then a plurality of groups of shunt pipes 7 are independently pulled out for cleaning, the shunt pipes 7 are inserted back to the original position after cleaning is finished, and then the lower shell 9 is installed back to the original position; then, dismantle upper housing 8 and get off, then take out mounting panel 11 from one-level mounting groove 10, alright with taking out spiral pipe 5 and wash, wash the completion back, can aim at stopper 21 through the spacing groove 111 of mounting panel 11 bottom and install back one-level mounting groove 10 with mounting panel 11 in, then install back the normal position with upper housing 8 and can continue to use, thereby can dismantle spiral pipe 5 and shunt tubes 7 and wash alone, be convenient for clear up, can reduce maintenance time, improve the clearance effect.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. Tube still condenser, including body (1), spiral pipe (5), flow distribution plate (6), shunt tubes (7), go up casing (8) and casing (9) down, its characterized in that: the device comprises a pipe body (1), wherein the two ends of the pipe body (1) are respectively fixedly connected with an upper shell (8) and a lower shell (9) through bolts, a first-stage mounting groove (10) is formed in the opposite surface of the pipe body (1) and the upper shell (8), a mounting plate (11) is fixedly connected in the first-stage mounting groove (10), an L-shaped plate (2) is fixedly connected to the inner wall of the pipe body (1), a drain hole (22) is formed in the bottom end of the L-shaped plate (2), the inner wall of the pipe body (1) is divided into a pre-cooling chamber (3) and a reaction chamber (4) by the L-shaped plate (2), a spiral pipe (5) is arranged in the pre-cooling chamber (3), one end of the spiral pipe (5) penetrates through the upper surface of the mounting plate (11) and is fixedly connected with the inner wall of the mounting plate (11), and the other end of the spiral pipe (5) penetrates through the lower surface of the L-shaped plate (2) and is connected with a splitter plate (6) in a sliding manner, the top of flow distribution disc (6) and the bottom fixed connection of L template (2), be provided with multiunit shunt tubes (7) in reaction chamber (4), multiunit the one end of shunt tubes (7) run through the bottom of flow distribution disc (6) and with the inner wall sliding connection of flow distribution disc (6), the other end of shunt tubes (7) run through the upper surface of mounting panel (11) and the inner wall of last casing (8) is linked together.

2. The shell and tube condenser of claim 1, wherein: a second-stage mounting groove (12) is formed in the opposite surface of the tube body (1) and the lower shell (9), a baffle plate (13) is fixedly connected in the second-stage mounting groove (12), and a shunt tube (7) is sleeved on the inner wall of the baffle plate (13).

3. The shell and tube condenser of claim 1, wherein: be provided with heat insulating board (83) in going up casing (8), heat insulating board (83) are for feeding cavity (84) and ejection of compact cavity (85) with the inner wall partition of going up casing (8), go up the surface of casing (8) and be located one side of feeding cavity (84) and seted up feed inlet (81), go up the surface of casing (8) and be located one side of ejection of compact cavity (85) and seted up discharge gate (82).

4. The shell and tube condenser of claim 1, wherein: spacing groove (111) have been seted up to the bottom of mounting panel (11), the last fixed surface of L template (2) is connected with stopper (21), stopper (21) and spacing groove (111) looks adaptation.

5. The shell and tube condenser of claim 1, wherein: the outer surface of the pipe body (1) and one side of the pre-cooling chamber (3) are provided with a water inlet (131), and the outer surface of the pipe body (1) and one side of the reaction chamber (4) are provided with a water outlet (132).

6. The shell and tube condenser of claim 1, wherein: and sealing gaskets (14) are arranged on the outer surfaces of the mounting plate (11) and the baffle plate (13).

7. The shell and tube condenser of claim 6, wherein: the material of the sealing gasket (14) is heat-resistant material.

8. The shell and tube condenser of claim 2, wherein: the connection parts of the baffle plate (13), the mounting plate (11) and the shunt pipe (7) are respectively provided with a primary sealing ring (15), and the cross section of the primary sealing ring (15) is of a flat structure.

9. The shell and tube condenser of claim 8, wherein: a secondary sealing ring (16) is arranged at the joint of the L-shaped plate (2) and the spiral pipe (5), and the cross section of the secondary sealing ring (16) is of a flat structure.

10. The shell and tube condenser of claim 9, wherein: the first-stage sealing ring (15) and the second-stage sealing ring (16) are both made of heat-resistant materials.