CN216011944U

CN216011944U - Vertical cooler with descaling structure

Info

Publication number: CN216011944U
Application number: CN202122013284.6U
Authority: CN
Inventors: 侯建强; 白云福
Original assignee: Baotou Beicheng Boiler Pressure Vessel Co ltd
Current assignee: Baotou Beicheng Boiler Pressure Vessel Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-03-11
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a vertical cooler with a descaling structure, which belongs to the field of chemical equipment and comprises a shell, wherein the upper part and the lower part of the shell are respectively provided with a material inlet and a material outlet, the lower end of the shell is provided with a cleaning opening, an upper partition plate and a lower partition plate are arranged in the shell at intervals from top to bottom, a heat exchange area is arranged between the upper partition plate and the lower partition plate, a medium outlet and a medium inlet are arranged in the heat exchange area on the shell at intervals along the height direction of the heat exchange area, a heat exchange tube is arranged in the heat exchange area, and the upper end and the lower end of the heat exchange tube are open and are respectively connected with the upper partition plate and the lower partition plate; the upper partition plate and the lower partition plate are respectively connected with the inner wall of the shell through bearings, and the shell is provided with a motor for driving the upper partition plate and the lower partition plate to rotate. The utility model aims to provide a vertical cooler with a descaling structure, which can improve the cleaning effect.

Description

Vertical cooler with descaling structure

Technical Field

The utility model relates to the field of chemical equipment, in particular to a vertical cooler with a descaling structure.

Background

When vinyl chloride and other chemical products are processed, the reactants are cooled by a cooler, the structure of the cooler is similar to that of a reboiler, and heat exchange tubes for materials to pass through are arranged in the cooler and pass through media in the cooler, so that heat exchange is generated to cool the materials; however, the medium forms a layer of dirt in the reactor, and the normal operation of the equipment can be affected if the medium is not cleaned for a long time.

The prior art patent with application number CN201520248409.5 discloses a reboiler capable of realizing high-efficiency descaling, which uses ultrasonic waves to clean the interior of the reboiler. However, because the heat exchange tubes in the cooler are arranged densely, and the baffle plates, the distance tubes and the like in the cooler are additionally arranged, the cleaning effect of the existing ultrasonic cleaning structure on the cooler is not ideal due to the blocking of the structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a vertical cooler with a descaling structure, which can improve the cleaning effect.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: a vertical cooler with a descaling structure comprises a shell, wherein the upper part and the lower part of the shell are respectively provided with a material inlet and a material outlet, the lower end of the shell is provided with a cleaning opening, an upper partition plate and a lower partition plate are arranged in the shell at intervals, a heat exchange area is arranged between the upper partition plate and the lower partition plate, a medium outlet and a medium inlet are arranged in the heat exchange area on the shell at intervals along the height direction of the heat exchange area, heat exchange tubes are arranged in the heat exchange area, the upper end and the lower end of each heat exchange tube are open and are respectively connected with the upper partition plate and the lower partition plate, after materials enter the shell from the material inlet, the materials move from the heat exchange tubes to the material outlet, and in the material moving process, the media enter the heat exchange area to cool the materials in the heat exchange tubes; in order to improve the cleaning effect, the upper baffle and the lower baffle are respectively connected with the inner wall of the shell through bearings, the shell is provided with a motor for driving the upper baffle and the lower baffle to rotate, and the heat exchange area is internally provided with an ultrasonic descaling instrument.

Furthermore, in order to improve the heat exchange efficiency and enhance the strength of the heat exchange tube, distance tubes are arranged in the heat exchange area in the shell, baffle plates are arranged on the distance tubes at intervals along the height direction of the shell, and the heat exchange tube penetrates through the baffle plates.

Furthermore, in order to make full use of media, the baffle plates are arranged along the radial direction of the shell, a media channel is arranged between the baffle plates and the inner side wall of the shell, and the media channels on two adjacent baffle plates are respectively arranged on the left side and the right side of the shell.

Further, for improving the stability, the upper partition plate and the lower partition plate are provided with support rings below, and the support rings are arranged on the inner wall of the shell.

Furthermore, in order to drive the upper partition plate to rotate, the upper end of the upper partition plate is provided with a circle of upper transmission gear coaxial with the shell, and the upper transmission gear is meshed with an upper driving gear on an output shaft of the upper motor.

Furthermore, in order to drive the lower partition plate to rotate along with the upper partition plate, the lower end of the lower partition plate is provided with a circle of lower transmission gear coaxial with the shell, and the lower transmission gear is meshed with a lower driving gear on an output shaft of the lower motor.

Furthermore, a shock-proof baffle is arranged at the material inlet in the shell, so that the impact of the material on the upper partition plate when entering the shell is reduced.

The beneficial effect of this application: when the shell needs to be cleaned, cleaning fluid is poured into the heat exchange area, and then the ultrasonic descaling instrument is started; in the ultrasonic wave scale removal appearance working process, go up the baffle and rotate around the casing axis with lower baffle to heat exchange tube, distance pipe etc. in the casing carry out the scale removal and wash, compare in current ultrasonic wave scale removal appearance fixed mounting, can reduce the effect of hindering to ultrasonic wave such as heat exchange tube, distance pipe, improve the cleaning performance.

Drawings

Fig. 1 is a schematic diagram of the internal structure of the present application.

The text labels in the figures are represented as: 1. a housing; 2. a material inlet; 3. a material outlet; 4. putting a clean mouth; 5. an upper partition plate; 6. a lower partition plate; 7. a heat exchange zone; 8. a media outlet; 9. a media inlet; 10. a heat exchange pipe; 11. an upper motor; 12. a distance tube; 13. a baffle plate; 14. a media channel; 15. a support ring; 16. a transmission gear is installed; 17. an upper drive gear; 18. a lower transmission gear; 19. a lower driving gear; 20. an anti-impact baffle plate; 21. a lower motor; 22. an ultrasonic descaling instrument.

Detailed Description

The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.

Embodiment 1, as shown in fig. 1, the specific structure of this embodiment is a vertical cooler with a descaling structure, which includes a housing 1, the upper and lower portions of the housing 1 are respectively provided with a material inlet 2 and a material outlet 3, an anti-impact baffle 20 is disposed at the material inlet 2 in the housing 1, the lower end of the housing 1 is provided with a clean discharge port 4, an upper partition 5 and a lower partition 6 are disposed at an upper and a lower interval in the housing 1, a heat exchange area 7 is disposed between the upper partition 5 and the lower partition 6, an expansion joint is disposed on the side wall of the housing 1 in the area of the heat exchange area 7, a medium outlet 8 and a medium inlet 9 are disposed on the housing 1 in the heat exchange area 7 along the height direction thereof, heat exchange tubes 10 are disposed in the heat exchange area 7, the number of the heat exchange tubes 10 can be multiple, in fig. 1, in order to better show the structure of this application, the number of the heat exchange tubes 10 is appropriately reduced, the upper end and the lower end of the heat exchange tube 10 are open and are respectively connected with the upper clapboard 5 and the lower clapboard 6; the upper partition plate 5 and the lower partition plate 6 are respectively connected with the inner wall of the shell 1 through bearings, and shaft seals are arranged at the joints to ensure the sealing performance of the heat exchange area 7; the shell 1 is provided with a motor which drives the upper partition plate 5 and the lower partition plate 6 to rotate, and the heat exchange area 7 is internally provided with an ultrasonic descaling instrument 22.

The concrete during operation: when the heat exchange tube 10 works specifically, a material is chloroethylene, a medium is water at a temperature of below thirty ℃, chloroethylene enters the shell 1 from the material inlet 2 at the upper end of the shell 1, then enters the heat exchange tube 10 from the inlet at the upper end of the heat exchange tube 10, and moves to the material outlet 3 at the lower end of the shell 1 along the heat exchange tube 10 before the chloroethylene is added; water enters the shell 1 from the medium inlet 9 and fills the heat exchange area 7, then the water is discharged from the medium outlet 8, and heat exchange is realized through conduction of the heat exchange pipe 10 in the moving process of vinyl chloride.

When the interior of the shell 1 needs to be cleaned, water is discharged firstly, then cleaning liquid is added, after the cleaning liquid is added, the ultrasonic scale remover 22 is started, and in the working process of the ultrasonic scale remover 22, the upper partition plate, the lower partition plate 6 and the heat exchange tube 10 rotate around the axis of the shell 1 so as to improve the cleaning effect; the cleaning liquid after cleaning is discharged from the medium outlet 8 or the medium inlet 9.

Embodiment 2, as shown in fig. 1, the other structure of this embodiment is the same as that of embodiment 1, but in this embodiment, a distance tube 12 is arranged in the heat exchange area 7 in the shell 1, the distance tube 12 is fixedly arranged on the upper partition plate 5 or the lower partition plate 6, a baffle plate 13 is fixed on the distance tube 12 by welding, screwing and the like, one baffle plate 13 is connected with at least two distance tubes 12, and a plurality of baffle plates 13 are arranged at intervals along the height direction of the shell 1; the baffle plates 13 are arranged along the radial direction of the shell 1, a medium channel 14 is arranged between the baffle plates 13 and the inner side wall of the shell 1, and the medium channels 14 on two adjacent baffle plates 13 are respectively arranged at the left side and the right side of the shell 1.

When the heat exchanger works specifically, after water enters the heat exchange area 7, the water flows in an S shape in the heat exchange area 7 due to the blocking of the baffle plate 13, and the water is contacted with the outer wall of the heat exchange tube 10, so that heat is taken away.

Embodiment 3, as shown in fig. 1, the other structure of this embodiment is the same as that of embodiment 1, but in this embodiment, support rings 15 are respectively disposed below the upper partition plate 5 and the lower partition plate 6, bearings are respectively disposed at the lower end of the upper partition plate 5 and the upper end of the support ring 15, and at the lower end of the lower partition plate 6 and the upper end of the support ring 15, and the support rings 15 are disposed on the inner wall of the casing 1; a circle of upper transmission gears 16 coaxial with the shell 1 are arranged at the upper end of the upper partition plate 5, and the upper transmission gears 16 are meshed with an upper driving gear 17 on an output shaft of the upper motor 11; a circle of lower transmission gear 18 which is coaxial with the shell 1 is arranged at the lower end of the lower partition plate 6, and the lower transmission gear 18 is meshed with a lower driving gear 19 on an output shaft of a lower motor 21; the upper driving gear 16, the upper driving gear 17, the lower driving gear 18 and the lower driving gear 19 all adopt bevel gears, the lower motor 21 and the upper motor 11 are both arranged outside the shell 1, and the output shaft of the lower motor penetrates through a sealing bearing on the side wall of the shell and extends into the shell 1.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the above technical features may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the utility model using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments, or may be learned by practice of the utility model.

Claims

1. A vertical cooler with a descaling structure comprises a shell (1), wherein a material inlet (2) and a material outlet (3) are respectively arranged at the upper part and the lower part of the shell (1), and a cleaning opening (4) is arranged at the lower end of the shell (1), and is characterized in that an upper partition plate (5) and a lower partition plate (6) are arranged in the shell (1) at intervals from top to bottom, a heat exchange area (7) is arranged between the upper partition plate (5) and the lower partition plate (6), medium outlets (8) and medium inlets (9) are arranged on the shell (1) in the heat exchange area (7) at intervals along the height direction of the shell, heat exchange tubes (10) are arranged in the heat exchange area (7), and the upper end and the lower end of each heat exchange tube (10) are opened and are respectively connected with the upper partition plate (5) and the lower partition plate (6); the upper partition plate (5) and the lower partition plate (6) are respectively connected with the inner wall of the shell (1) through bearings, a motor for driving the upper partition plate (5) and the lower partition plate (6) to rotate is arranged on the shell (1), and an ultrasonic descaling instrument (22) is arranged in the heat exchange area (7).

2. The vertical cooler with descaling structure according to claim 1, characterized in that the shell (1) is provided with distance tubes (12) in the heat exchange area (7), and the distance tubes (12) are provided with baffles (13) at intervals along the height direction of the shell (1).

3. The vertical cooler with the descaling structure according to claim 2, wherein the baffle plates (13) are arranged along the radial direction of the shell (1), the medium channels (14) are arranged between the baffle plates (13) and the inner side wall of the shell (1), and the medium channels (14) on two adjacent baffle plates (13) are respectively arranged on the left side and the right side of the shell (1).

4. The stave cooler with the descaling structure according to claim 1, characterized in that a support ring (15) is provided below each of the upper baffle (5) and the lower baffle (6), said support ring (15) being provided on the inner wall of the shell (1).

5. The vertical cooler with the descaling structure according to claim 4, wherein the upper end of the upper partition plate (5) is provided with a ring of upper transmission gears (16) coaxial with the shell (1), and the upper transmission gears (16) are meshed with an upper driving gear (17) on an output shaft of an upper motor (11).

6. The vertical cooler with descaling structure of claim 5, characterized in that the lower end of the lower partition (6) is provided with a lower transmission gear (18) coaxial with the shell (1), and the lower transmission gear (18) is meshed with a lower driving gear (19) on the output shaft of a lower motor (21).

7. The vertical cooler with descaling structure according to claim 1, characterized in that an anti-impact baffle (20) is arranged in the shell (1) at the material inlet (2).