CN218686461U

CN218686461U - Prevent reboiler jam structure

Info

Publication number: CN218686461U
Application number: CN202222925718.4U
Authority: CN
Inventors: 邵建园; 闸畅; 陈惠超
Original assignee: Wuhan Xinkang Chemical Equipment Co ltd
Current assignee: Wuhan Xinkang Chemical Equipment Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-03-24
Anticipated expiration: 2032-11-03

Abstract

The utility model relates to a liquid heating vaporization technical field especially relates to a prevent reboiler jam structure. It is mainly when working to current equipment for the granular solid in the solution is ascending or the in-process that descends, receives the temperature influence, leads to its adhesion on the pipe wall of heat exchange tube, and the time is up, can cause the jam equally, influences vertical reboiler and carries out the work problem, proposes following technical scheme: the cylindrical heat exchanger comprises a shell and a plurality of heat exchange tubes, and is characterized by comprising a cylindrical heat exchanger, wherein a semicircular ball end socket is arranged at the top of the cylindrical heat exchanger, and the cylindrical heat exchanger comprises a scraper blade for cleaning the inner wall of each heat exchange tube. The utility model discloses heat to liquid and make its vaporization, strike off the effect at the scraper blade simultaneously under, can avoid the adhesion of granular impurity to cause the jam in the heat exchange tube to the cleanness of heat exchange tube inner wall, reach the purpose that prevents the jam.

Description

Prevent reboiler jam structure

Technical Field

The utility model relates to a liquid heating vaporization technical field especially relates to a prevent reboiler jam structure.

Background

A reboiler is also called a heating kettle or reboiler, a heating device for vaporizing a distilled liquid. Generally, the device is combined with a rectifying tower and is directly arranged at the bottom of the rectifying tower or outside the rectifying tower. The reboiler can be divided into two types of natural circulation (thermosiphon) and forced circulation according to the circulation mode, can be divided into two types of evaporation inside and outside the pipe according to the material, and can be divided into four types of kettle type, vertical type, horizontal type and built-in type according to the structure; it can be classified into one-pass type and circulation type according to the evaporation (vaporization) degree, and can be classified according to the connection form with the column and whether the column still has a partition plate or not.

Therefore, the Chinese patent publication No. CN 2078989898998U proposes an anti-blocking vertical reboiler, and the device is provided with a blowing anti-blocking device on a lower end socket arranged at the bottom of a shell-and-tube heat exchanger, and is used for matching with an inverted cone-shaped body to assist liquid to descend, so that solid particles in a heat exchange tube are driven to descend due to the shape design of the inverted cone-shaped body, and are discharged from a solid particle outlet, and the anti-blocking problem of the vertical reboiler is solved.

However, when the equipment is in operation, the granular solid in the solution is affected by temperature during the process of ascending or descending, so that the granular solid is adhered to the tube wall of the heat exchange tube, and the blockage can be caused over time, which affects the operation of the vertical reboiler.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent reboiler jam structure to the problem that exists among the background art.

The technical scheme of the utility model: the utility model provides a prevent reboiler blocking structure, includes cylinder heat exchanger, cylinder heat exchanger's top is provided with the hemisphere head, cylinder heat exchanger includes casing and a plurality of heat exchange tube, and is a plurality of all be equipped with the scraper blade of clean heat exchange tube inner wall in the heat exchange tube, the outer wall connection of casing has carries out the support frame that supports to the casing, cylinder head is installed to the bottom of casing, be provided with the ascending pipe on one side outer wall of cylinder head, cylinder head below is equipped with the drive scraper blade and carries out pivoted actuating mechanism, be equipped with the supplementary scraper blade in the hemisphere head and carry out pivoted complementary unit, the below of cylinder head still is equipped with the tray, the locating rack has all been welded to the both sides of tray.

Preferably, the inner wall of the shell of the cylindrical heat exchanger is welded with a baffle, and the outer wall of one side of the shell is provided with an inlet pipe for introducing a heat medium and an outlet pipe for discharging the heat medium.

Preferably, the driving mechanism comprises a motor, the output end of the motor is connected with a rotating shaft, the top end of the rotating shaft penetrates through the bottom of the tray, a main gear is sleeved on an outer ring of the rotating shaft in the tray, a supporting rod is installed at the top of the tray, a plurality of driven wheels are arranged at the top ends of the supporting rods, teeth are welded on the outer ring of each driven wheel, a plurality of connecting rods are welded on the top of each driven wheel, and the top ends of the connecting rods are connected with the scraper.

Preferably, the auxiliary mechanism comprises an auxiliary frame, the auxiliary frame is in a groined shape, the bottom of the auxiliary frame is provided with a bearing seat, and the rotating ends of the bearing seats are connected with auxiliary rods.

Preferably, the top opening part of the semispherical head is connected with a guide pipe, the auxiliary frame is fixedly installed in the semispherical head, and protruding ends of the auxiliary frame are welded with the inner wall of the semispherical head.

Preferably, the opposite ends of the two positioning frames are welded with the outer wall of the tray, and the opposite ends of the two positioning frames are connected with the supporting plate of the supporting frame.

Preferably, the bottom of the cylindrical seal head is provided with a conical hole, the conical hole is connected with a water pipe, and the bottom end of the water pipe is provided with a control valve.

Compared with the prior art, the utility model discloses following profitable technological effect has:

1. the utility model discloses the injection tube pours into liquid into, the heating medium who pours into in the cooperation follow admission tube, make the continuous boiling evaporation of liquid in the heat exchange tube, hot steam after the evaporation gets into in the semicircle bulb, from the pipe discharge, unfinished vaporized liquid then gets into in the cylinder head from the bottom of heat exchange tube, granular impurity that exists in the liquid, rotate through the motor drive pivot, make a plurality of follow driving wheel use the master gear to rotate as the center, thereby the cooperation sets up the scraper blade in the heat exchange tube and rotates, thereby strike off the granular impurity of adhesion on the heat exchange tube inner wall, the function of preventing blocking up has been realized, avoid it to cause the heat exchange tube to block up the heating vaporization work of influence to liquid.

Drawings

FIG. 1 is a schematic front sectional view of a reboiler plugging prevention structure;

FIG. 2 is a schematic view of the assist mechanism of FIG. 1;

FIG. 3 is a schematic top view of the main gear and a plurality of driven gears of FIG. 1;

fig. 4 is a schematic view of the structure of the squeegee and the auxiliary bar in fig. 1.

Reference numerals: 1. a semi-spherical end socket; 2. a cylindrical heat exchanger; 21. a housing; 22. a baffle plate; 23. a heat exchange pipe; 24. an inlet pipe; 25. a discharge pipe; 3. a cylindrical seal head; 4. a drive mechanism; 41. a motor; 42. a rotating shaft; 43. a main gear; 44. a driven wheel; 45. a connecting rod; 5. a support frame; 6. a tray; 61. a positioning frame; 7. an auxiliary mechanism; an auxiliary frame 71, an auxiliary frame; 72. a bearing seat; 73. an auxiliary lever; 8. an injection pipe; 9. a control valve; 10. a scraper.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-4, the utility model provides a prevent reboiler jam structure, including cylinder heat exchanger 2, cylinder heat exchanger 2 includes casing 21 and a plurality of heat exchange tube 23, and the fixed welding of a plurality of baffles 22 is at the inner wall of casing 21 for the hot medium direction of pouring into wherein is favorable to hot medium to flow in casing 21, is convenient for heat the liquid in a plurality of heat exchange tube 23.

Further, one end of each of the inlet pipe 24 and the outlet pipe 25 penetrates through the outer wall of one side of the shell 21, the inlet pipe 24 and the outlet pipe 25 are connected with the outer wall of one side of the shell 21 through sealing gaskets fixedly sleeved on the outer rings of the inlet pipe and the outlet pipe 25 in a sealing manner, the inlet pipe 24 is used for guiding a heating medium commonly used on a vertical reboiler into the shell 21, the outlet pipe 25 is used for discharging the heating medium out of the shell 21, and therefore liquid in the heat exchange pipe 23 is heated circularly, the heat exchange pipes 23 can be heated uniformly by matching with the baffles 22, and the work of heating the liquid is facilitated. The heating medium generally used in the reboiler is hot steam. A plurality of scrapers 10 all set up rather than the heat exchange tube 23 that corresponds in, scraper 10 is the rhombus column form, and the inner wall laminating of the scraped surface of scraper 10 and heat exchange tube 23 is convenient for clean the inner wall of heat exchange tube 23.

Further, it places the hole to have seted up on the locating plate of support frame 5, casing 21 sets up and is being in welded state placing its outer wall in the hole and the pore wall of placing the hole, a position for fixing casing 21, play good supporting role, and the symmetry is provided with locating rack 61 on the backup pad opposite face of support frame 5, the reverse end of two locating rack 61 all welds with the support face that corresponds, the looks remote site of two locating rack 61 then respectively with tray 6's both sides outer wall fixed connection, thereby through two locating rack 61, reach the purpose to tray 6 rigidity, be favorable to actuating mechanism 4 to carry out drive work.

Further, the top of the shell 21 is fixedly connected with the semispherical head 1, the bottom of the shell 21 is fixedly connected with the cylindrical head 3, the top end of the heat exchange tube 23 penetrates through the bottom of the semispherical head 1, the top end of the heat exchange tube is located in the semispherical head 1, the heat exchange tube 23 penetrates through the outer wall of the bottom of the semispherical head 1 and is in a sealing state with the semispherical head 1, the bottom end of the heat exchange tube 23 penetrates through the bottom of the shell 21, the bottom end of the heat exchange tube is located in the cylindrical head 3, the heat exchange tube 23 penetrates through the outer wall of the bottom of the shell 21 and is in a sealing state with the shell 21, the heat exchange tube 23 is used for storing liquid injected into the cylindrical head 3, the liquid is heated by a heating medium injected into the shell 21 in a matching mode, and the liquid is vaporized.

Further, the injection pipe 8 runs through a lateral wall body of the cylindrical seal head 3, a sealing washer and the cylindrical seal head 3 are in sealing connection with each other and fixedly sleeved on the outer ring of the injection pipe 8, the injection pipe 8 is used for injecting liquid into the cylindrical seal head 3, meanwhile, a conical hole and a water pipe are fixedly connected with each other and are also in sealing connection with the cylindrical seal head 3 through the sealing washer fixedly sleeved on the outer ring of the water pipe, a port with a smaller diameter of the conical hole is in a connection state with the top of the water pipe and is used for converting scraped particles into impurities to be discharged out of the cylindrical seal head 3 in cooperation with the design of the conical hole, the control valve 9 is installed at the bottom end of the water pipe and is used for controlling the opening and closing state of the bottom end of the water pipe, so that workers can regularly discharge the impurities and avoid affecting the work of heating and vaporizing the liquid.

Further, complementary unit 7 includes auxiliary frame 71, auxiliary frame 71 is the groined type, auxiliary frame 71 is located hemisphere head 1, and the overhang of auxiliary frame 71 all with hemisphere head 1's inner wall welding, auxiliary frame 71 bottom fixed mounting has a plurality of bearing frames 72, the rotation end department of a plurality of bearing frames 72 all rotates with the auxiliary rod 73 top that corresponds simultaneously and is connected, the bottom of auxiliary rod 73 then rather than the top fixed connection of the scraper blade 10 that corresponds, auxiliary rod 73 and the cooperation of bearing frame 72 play auxiliary scraper blade 10 and carry out the pivoted effect, the structural design of auxiliary frame 71 does not influence the pipe discharge of connecting from hemisphere head 1 top opening part after the liquid vaporization simultaneously.

Further, actuating mechanism 4 includes motor 41, and motor 41 fixed mounting is at the base top of support frame 5, and motor 41's output passes through the shaft coupling to be connected with the bottom of pivot 42, and the top of pivot 42 then runs through the perforation that the bottom of tray 6 was seted up and is connected with the bearing that cylindrical head 3 bottom set up, and the bearing is used for supplementary pivot 42 to rotate, and motor 41 then is used for driving pivot 42 to rotate. The main gear 43 is located in the tray 6 and is fixedly sleeved on the outer ring of the rotating shaft 42, so that the rotating shaft 42 drives the main gear 43 to rotate. The bottom of a plurality of vaulting poles all with the top fixed connection of tray 6, otherwise the top of vaulting pole then with correspond from the bearing that the driving wheel 44 bottom set up be connected, the vaulting pole plays supplementary effect from driving wheel 44 pivoted.

Further, the bottom ends of the connecting rods 45 are fixedly connected with the tops of the corresponding driven wheels 44, the top ends of the connecting rods penetrate through holes formed in the bottom of the cylindrical seal head 3 and are fixedly connected with the bottom of the corresponding scraper 10, and inner rings of sealing bearings arranged in the through holes are connected with the outer rings of the corresponding connecting rods 45, so that the purpose of sealing the inside of the cylindrical seal head 3 is achieved.

Further, a plurality of follow driving wheel 44 divide into two sets ofly to set up respectively in the both sides of master gear 43, every group follows driving wheel 44 outer lane welded tooth intermeshing from, thereby reach driven purpose, every group simultaneously divide into four from driving wheel 44, two that the distance is far away from its tooth of driving wheel 44 and master gear 43 meshing for realize driving connecting rod 45 through the rotation of master gear 43 and rotate, thereby make scraper blade 10 at the heat exchange tube 23 internal rotation, reach the purpose that prevents the jam.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. A reboiler blockage prevention structure comprises a cylindrical heat exchanger (2), and is characterized in that: the top of cylinder heat exchanger (2) is provided with semicircle ball head (1), cylinder heat exchanger (2) are including casing (21) and a plurality of heat exchange tube (23), and are a plurality of all be equipped with scraper blade (10) of clean heat exchange tube (23) inner wall in heat exchange tube (23), the outer wall connection of casing (21) has support frame (5) of carrying out the support to casing (21), cylinder head (3) are installed to the bottom of casing (21), be provided with injection pipe (8) on one side outer wall of cylinder head (3), cylinder head (3) below is equipped with drive scraper blade (10) and carries out pivoted actuating mechanism (4), it carries out pivoted complementary unit (7) to be equipped with supplementary scraper blade (10) in semicircle ball head (1), the below of cylinder head (3) still is equipped with tray (6), locating rack (61) have all been welded in the both sides of tray (6).

2. The reboiler blockage prevention structure according to claim 1, wherein the cylindrical heat exchanger (2) has baffles (22) welded to the inner wall of the shell (21), and an inlet pipe (24) for introducing the heat medium and an outlet pipe (25) for discharging the heat medium are provided on the outer wall of one side of the shell (21).

3. The reboiler blockage prevention structure according to claim 1, wherein the driving mechanism (4) comprises a motor (41), the output end of the motor (41) is connected with a rotating shaft (42), the top end of the rotating shaft (42) penetrates through the bottom of the tray (6), a main gear (43) is sleeved on the outer ring of the rotating shaft (42) in the tray (6), a supporting rod is mounted at the top of the tray (6), a driven wheel (44) is arranged at the top end of a plurality of the supporting rods, teeth are welded on the outer ring of the driven wheel (44), a connecting rod (45) is welded at the top of the driven wheel (44), and the top end of the connecting rod (45) is connected with the scraper (10).

4. The reboiler blockage prevention structure according to claim 1, wherein the auxiliary mechanism (7) comprises an auxiliary frame (71), the auxiliary frame (71) is in a cross shape, bearing seats (72) are installed at the bottom of the auxiliary frame (71), and auxiliary rods (73) are connected to the rotating ends of the bearing seats (72).

5. The reboiler blockage prevention structure according to claim 4, wherein a conduit is connected to the top opening of the hemispherical head (1), the auxiliary frame (71) is fixedly installed in the hemispherical head (1), and the protruding ends of the auxiliary frame (71) are welded to the inner wall of the hemispherical head (1).

6. The reboiler blockage prevention structure according to claim 1, wherein opposite ends of the two positioning frames (61) are welded to the outer wall of the tray (6), and opposite ends of the two positioning frames (61) are connected to the supporting plate of the supporting frame (5).

7. The reboiler blockage prevention structure according to claim 1, wherein a conical hole is formed in the bottom of the cylindrical seal head (3), a water pipe is connected to the conical hole, and a control valve (9) is installed at the bottom end of the water pipe.