CN220931811U

CN220931811U - Floating tube plate type tubular preheater

Info

Publication number: CN220931811U
Application number: CN202322557670.0U
Authority: CN
Inventors: 付明会
Original assignee: FUJIAN LIXIN HEAT EXCHANGE EQUIPMENT MANUFACTURING CO LTD
Current assignee: FUJIAN LIXIN HEAT EXCHANGE EQUIPMENT MANUFACTURING CO LTD
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-05-10
Anticipated expiration: 2033-09-20

Abstract

The utility model discloses a floating-tube-plate type tubular preheater, which comprises a machine body, wherein mounting frames are symmetrically arranged on the left side and the right side of the interior of the machine body, heat exchange tubes are arranged between the mounting frames on the two sides, and a heat medium inlet, a heat medium outlet, a cold medium inlet and a cold medium outlet are respectively arranged on the upper, lower, left and right sides of the machine body; further comprises: the edge of the port of the cold medium outlet is connected with a locking rod through a bearing at equal angles, the end part of the locking rod is connected with a clamping groove, and the clamping groove is correspondingly arranged on the end surface of the butt joint pipe; the outside of the cold medium outlet is hinged with an anti-drop rod at equal angles. This floating tube plate formula tubular pre-heater, when heat exchange tube inflation drove floating tube sheet and removes, floating tube sheet laminating is on the organism inner wall to take place the skew when avoiding the activity, and when carrying out butt joint installation with corresponding pipeline, can be fast stable through locking lever and anticreep pole to the pipeline butt joint fixedly, the simple operation is stable.

Description

Floating tube plate type tubular preheater

Technical Field

The utility model relates to the technical field of tubular preheaters, in particular to a floating-tube-plate type tubular preheater.

Background

The tubular preheater is widely applied to heating furnace energy-saving equipment in petroleum, chemical industry, power station, metallurgy and other industries, and is used for saving energy and improving benefit, gas or air is usually heated by using discharged flue gas waste heat, and heat exchange is realized by using the tubular preheater;

The floating tube plate type tubular preheater disclosed in the publication No. CN201120531103.2 is characterized in that a cylindrical box body formed by the periphery of a box plate is arranged on a profile steel frame, a heat medium inlet pipe and a heat medium outlet pipe are arranged on the cylindrical box body, cold medium inlet pipes and cold medium outlet pipes connected with the profile steel frame are respectively arranged at two ends of the cylindrical box body, fixed tube plates with peripheries fixed on the two sides of the cylindrical box body, heat exchange tube bundles with turbulence plates arranged inside are arranged on the two fixed tube plates, the heat exchange tube bundles at the outlet end of the cold medium are fixedly connected with the tube plates, the heat exchange tube bundles at the inlet end of the cold medium are inserted into through holes of the fixed tube plates, the ends of the heat exchange tube bundles extending out of the fixed tube plates are fixedly connected with corresponding through holes on the floating tube plates, the floating tube plates arranged outside the fixed tube plates and parallel to the fixed tube plates are connected with one end openings of a temperature compensator, and the other end openings of the corrugated tube type temperature compensator are fixedly connected with the profile steel frame of the box body and sealed;

However, the above scheme has the following problems in the use process: in the use, the floating tube plate is directly connected with the heat exchange tube, and the heat exchange tube is expanded and is outwards extended, so that the track of stable sliding does not exist, the deviation is easy to occur, the inlet and the outlet of each medium are required to be connected with corresponding pipelines, and when the floating tube plate is fixed by adopting a bolt to be matched with a flange, the operation is tedious, the time is wasted, and the efficiency is low.

We have therefore proposed a floating-tube-plate tubular preheater in order to solve the problems set out above.

Disclosure of utility model

The utility model aims to provide a floating tube plate type tubular preheater, which solves the problems that in the prior art, the existing tubular preheaters in the market are complicated and time-consuming in operation and low in efficiency when the floating tube plate is directly connected with a heat exchange tube, and when the heat exchange tube expands and extends outwards, a stable sliding track is not available and the deviation is easy to occur, and an inlet and an outlet of each medium are required to be connected with corresponding pipelines and are fixed by adopting a bolt matched flange.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the floating pipe plate type pipe type preheater comprises a machine body, wherein mounting frames are symmetrically arranged on the left side and the right side of the interior of the machine body, heat exchange pipes are arranged between the mounting frames on the two sides, a heat medium inlet, a heat medium outlet, a cold medium inlet and a cold medium outlet are respectively arranged on the upper, lower, left and right sides of the machine body, and meanwhile, the heat medium inlet, the heat medium outlet, the cold medium inlet and the cold medium outlet are respectively provided with corresponding butt pipes to be connected with the heat medium inlet, the heat medium outlet, the cold medium inlet and the cold medium outlet;

Further comprises: the hot medium inlet, the hot medium outlet, the cold medium inlet and the cold medium outlet are in the same butt joint structure with the butt joint pipe, a circular ring is sleeved outside the cold medium outlet, sliding rods are arranged on the inner wall of the circular ring at equal angles, and the sliding rods penetrate through and slide on the outer wall of the cold medium outlet;

The edge of the port of the cold medium outlet is connected with a locking rod through a bearing at equal angles, the end part of the locking rod is connected with a clamping groove, and the clamping groove is correspondingly arranged on the end surface of the butt joint pipe;

The outside equiangular hinge of cold medium export has the anticreep pole, and the tip of anticreep pole is contradicted with the outside dislocation of butt joint pipe.

Preferably, the right end of the heat exchange tube penetrates through the floating tube plate body, the floating tube plate body is attached to the right side of the inside of the machine body in a sliding mode, the temperature compensator is fixed at the right end of the floating tube plate body and is fixed on the inner wall of the machine body, and the heat exchange tube is expanded to drive the floating tube plate to extend outwards to be in contact with the temperature compensator.

Preferably, a spring is arranged between the sliding rod of the circular ring and the outer wall of the cold medium outlet, the end part of the sliding rod is connected in the spiral groove, the spiral groove is arranged outside the locking rod, and the locking rod is of a T-shaped structure, so that the circular ring moves and then drives the sliding rod to synchronously move, the spring is further compressed, and the sliding rod drives the locking rod to rotate through the spiral groove.

Preferably, the locking rod forms a rotating structure through the sliding rod and the spiral groove, the inlet of the clamping groove connected with the locking rod is of a rectangular structure, and the inside of the clamping groove is of a circular structure, so that the end part of the locking rod after rotation is in a parallel state with the inlet of the truck.

Preferably, the outside equiangle of ring is fixed with the stay cord, and the tip and the articulated department of anticreep pole and cold medium export of stay cord are connected to the torsional spring is installed to the articulated department of anticreep pole and cold medium export, makes the ring remove the back and drives the anticreep pole through the stay cord and rotate, and then reverses the torsional spring.

Preferably, the extrusion plate is integrally installed on the outer side of the middle part of the locking rod, the extrusion plate is rotationally connected to the inner wall of the cold medium outlet, the extrusion plate is in rotary contact with the air storage bag in the inner wall of the cold medium outlet, the air storage bag outlet is communicated with the sealing bag, and meanwhile the sealing bag is circularly arranged on the end face of the cold medium outlet, so that the locking rod can drive the extrusion plate to synchronously rotate after rotating, and then the air storage bag is extruded, so that the sealing bag is expanded.

Compared with the prior art, the floating-tube-plate type tubular preheater has the beneficial effects that: when using, the heat exchange tube expansion drives the floating tube sheet and removes, and the laminating of floating tube sheet is on the organism inner wall to take place the skew when avoiding the activity, and when carrying out butt joint installation with corresponding pipeline, can be fast stable through locking lever and anticreep pole to the pipeline butt joint fixedly, the simple operation is stable, and specific content is as follows:

1. The heat exchange tubes inside the machine body are convenient to arrange through the mounting frame, and when the heat exchange tubes are heated and expanded and stretched in the use process, the floating tube plates can be driven to synchronously extend, and the temperature compensator at the end part can absorb all outward forces, so that working medium is prevented from leaking in the operation process, and the top and the bottom of the floating tube plates are attached to the inner wall of the machine body, so that the offset in the moving process is avoided;

2. Can drive slide bar synchronous motion after removing through the ring that sets up, and then compress the laminating, and can rotate through helical groove drive locking lever after the slide bar removes, the tip of locking lever will rotate to the state parallel with the draw-in groove entry, thereby be convenient for peg graft with the draw-in groove, and can drive the anticreep pole through the stay cord after the ring removes and rotate, and then reverse to the torsional spring, after connecting pipe and the medium entry linkage that corresponds, loosen the ring, the spring will drive the ring and reset, the tip of locking lever will rotate to the state mutually perpendicular with the draw-in groove entry, the anticreep pole will rotate under the effect of torsional spring, thereby with the butt joint department outside to the connecting pipe carries out dislocation conflict, thereby stability when increasing the connection, and can drive the stripper plate after the locking lever rotates and extrude the gas storage bag, gas will be carried to the seal bag, make the butt joint department to the connecting pipe carry out sealing treatment.

Drawings

FIG. 1 is a schematic diagram of the overall front cross-section structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;

FIG. 4 is a schematic view of a circular ring structure according to the present utility model;

fig. 5 is a schematic diagram of a distributed side view structure of the anti-drop rod of the present utility model.

In the figure: 1. a body; 2. a mounting frame; 3. a heat exchange tube; 4. a thermal medium inlet; 5. a thermal medium outlet; 6. a cold medium inlet; 7. a cold medium outlet; 8. a floating tube sheet body; 9. a temperature compensator; 10. a butt joint pipe; 11. a circular ring; 12. a slide bar; 13. a spring; 14. a spiral groove; 15. a locking lever; 16. a clamping groove; 17. a pull rope; 18. an anti-drop rod; 19. a torsion spring; 20. an extrusion plate; 21. an air storage bag; 22. sealing the bag.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the floating tube plate type tubular preheater comprises a machine body 1, wherein mounting frames 2 are symmetrically arranged on the left side and the right side of the interior of the machine body 1, heat exchange tubes 3 are arranged between the mounting frames 2 on the two sides, a heat medium inlet 4, a heat medium outlet 5, a cold medium inlet 6 and a cold medium outlet 7 are respectively arranged on the upper, lower, left and right sides of the machine body 1, simultaneously, the heat medium inlet 4, the heat medium outlet 5, the cold medium inlet 6 and the cold medium outlet 7 are respectively provided with corresponding butt joint pipes 10 and are connected with the butt joint pipes, the right end of the heat exchange tubes 3 penetrates through a floating tube plate body 8, the floating tube plate body 8 is in fit sliding connection with the right side of the interior of the machine body 1, the right end of the floating tube plate body 8 is fixedly provided with a temperature compensator 9, and the temperature compensator 9 is fixed on the inner wall of the machine body 1, and as shown in fig. 1-2, when in use, the heat exchange tubes 3 are respectively connected with the butt joint pipes 10, a complete conveying pipeline is formed, the preheating treatment is carried out, and the floating tube plate body 2 is fixedly provided with the heat exchange tubes 3, when the floating tube plate body 8 is in use, the heat exchanger body is not in sliding contact with the bottom of the machine body, and the heat compensator is kept outside the heat exchanger, and the heat compensator is not in the sliding expansion, and the heat exchanger body is kept outside the inner wall of the machine body, and the heat exchanger is in the working stability when the heat exchanger is not in the sliding expansion, and the top of the heat exchanger is kept outside when the heat exchanger is in the bottom of the machine, and when the heat exchanger is in the bottom and the heat expansion, and the heat exchanger is in the heat expansion and is in the heat expansion and the heat;

The heat medium inlet 4, the heat medium outlet 5, the cold medium inlet 6 and the cold medium outlet 7 are in the same butt joint structure with the butt joint pipe 10, a circular ring 11 is sleeved outside the cold medium outlet 7, sliding rods 12 are arranged on the inner wall of the circular ring 11 at equal angles, the sliding rods 12 penetrate through and slide on the outer wall of the cold medium outlet 7, springs 13 are arranged between the sliding rods 12 of the circular ring 11 and the outer wall of the cold medium outlet 7, the end parts of the sliding rods 12 are connected in spiral grooves 14, the spiral grooves 14 are formed in the outer parts of locking rods 15, the locking rods 15 are in a T-shaped structure, and as shown in fig. 3-5, when the heat medium inlet 4, the heat medium outlet 5, the cold medium inlet 6 and the cold medium outlet 7 are respectively connected with the corresponding butt joint pipe 10, the circular ring 11 is pushed to move, the sliding rods 12 are driven to synchronously slide after the circular ring 11 moves, the springs 13 are compressed, and the locking rods 15 are driven to rotate through the spiral grooves 14 when the sliding rods 12 move;

The locking rod 15 forms a rotating structure through the sliding rod 12 and the spiral groove 14, the inlet of the clamping groove 16 connected with the locking rod 15 is of a rectangular structure, the inside of the clamping groove 16 is of a circular structure, the locking rod 15 penetrates through the bearing at the edge of the port of the cold medium outlet 7 at equal angles, the end part of the locking rod 15 is connected with the clamping groove 16, the clamping groove 16 is correspondingly arranged on the end surface of the butt joint pipe 10, as shown in fig. 3 and 5, after the locking rod 15 is driven to rotate, the end part of the locking rod 15 rotates to be parallel to the inlet of the clamping groove 16, then the locking rod 15 and the clamping groove 16 can be inserted, after the circular ring 11 is released, the spring 13 drives the sliding rod 12 to reset, the locking rod 15 rotates to reset, the end part of the locking rod 15 is vertical to the inlet of the clamping groove 16, and then the butt joint pipe 10 is connected and fixed;

the outside equi-angle hinge of cold medium outlet 7 has anticreep pole 18, and the tip of anticreep pole 18 misplaces with the outside of butt joint pipe 10 and contradicts, the outside equi-angle of ring 11 is fixed with stay 17, and the tip of stay 17 is connected with the articulated position of anticreep pole 18 and cold medium outlet 7, and the articulated position of anticreep pole 18 and cold medium outlet 7 installs torsional spring 19, as shown in fig. 3 and 5, still can pull stay 17 and drive anticreep pole 18 to rotate to stay 17 when ring 11 moves, and then reverse to torsional spring 19, after ring 11 resets, torsional spring 19 will drive anticreep pole 18 gyration and reset, thereby misplaced the conflict with the tip outside of butt joint pipe 10, thereby increase the stability of butt joint department of butt joint pipe 10;

The extrusion plate 20 is integrally installed on the outer side of the middle part of the locking rod 15, the extrusion plate 20 is rotationally connected to the inner wall of the cold medium outlet 7, the extrusion plate 20 is rotationally abutted against the air storage bag 21 in the inner wall of the cold medium outlet 7, the air storage bag 21 outlet is communicated with the sealing bag 22, meanwhile the sealing bag 22 is circularly arranged on the end face of the cold medium outlet 7, as shown in fig. 3, the extrusion plate 20 is driven to synchronously rotate when the locking rod 15 rotates, the air storage bag 21 is extruded after the extrusion plate 20 rotates, and gas in the air storage bag 21 is conveyed to the sealing bag 22, so that the butt joint of the butt joint pipe 10 is sealed.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The floating tube plate type tubular preheater comprises a machine body (1), wherein mounting frames (2) are symmetrically arranged on the left side and the right side of the interior of the machine body (1), heat exchange tubes (3) are arranged between the mounting frames (2) on the two sides, a heat medium inlet (4), a heat medium outlet (5), a cold medium inlet (6) and a cold medium outlet (7) are respectively arranged on the upper, lower, left and right sides of the machine body (1), and meanwhile, the heat medium inlet (4), the heat medium outlet (5), the cold medium inlet (6) and the cold medium outlet (7) are respectively provided with corresponding butt joint pipes (10) to be connected with the heat medium inlet, the cold medium outlet and the cold medium outlet;

The method is characterized in that: further comprises:

The hot medium inlet (4), the hot medium outlet (5), the cold medium inlet (6) and the cold medium outlet (7) are in butt joint with the butt joint pipe (10) in the same structure, a circular ring (11) is sleeved outside the cold medium outlet (7), sliding rods (12) are arranged on the inner wall of the circular ring (11) at equal angles, and the sliding rods (12) penetrate through and slide on the outer wall of the cold medium outlet (7);

A locking rod (15) is connected to the edge of the port of the cold medium outlet (7) at equal angle through bearings, the end part of the locking rod (15) is connected with a clamping groove (16), and the clamping groove (16) is correspondingly arranged on the end surface of the butt joint pipe (10);

The outside of cold medium export (7) equi-angle articulates has anticreep pole (18), and the outside dislocation conflict of anticreep pole (18) and butt joint pipe (10).

2. A floating-tube-plate tubular preheater as set forth in claim 1, wherein: the right-hand member of heat exchange tube (3) runs through floating tube sheet body (8), and floating tube sheet body (8) laminating sliding connection is in the inside right side of organism (1) to the right-hand member of floating tube sheet body (8) is fixed with temperature compensator (9), and temperature compensator (9) are fixed in on the inner wall of organism (1).

3. A floating-tube-plate tubular preheater as set forth in claim 1, wherein: a spring (13) is arranged between the sliding rod (12) of the circular ring (11) and the outer wall of the cold medium outlet (7), the end part of the sliding rod (12) is connected into the spiral groove (14), the spiral groove (14) is arranged outside the locking rod (15), and the locking rod (15) is of a T-shaped structure.

4. A floating-tube-plate tubular preheater as set forth in claim 1, wherein: the locking rod (15) forms a rotating structure through the sliding rod (12) and the spiral groove (14), the inlet of the clamping groove (16) connected with the locking rod (15) is of a rectangular structure, and the inside of the clamping groove (16) is of a circular structure.

5. A floating-tube-plate tubular preheater as set forth in claim 1, wherein: the outside equiangle of ring (11) is fixed with stay cord (17), and the tip and the articulated department that anticreep pole (18) and cold medium export (7) of stay cord (17) are connected to torsional spring (19) are installed in the articulated department of anticreep pole (18) and cold medium export (7).

6. A floating-tube-plate tubular preheater as set forth in claim 1, wherein: the middle part outside of locking lever (15) is installed in an organic whole and is pressed board (20), and pressing board (20) rotate and connect in the inner wall of cold medium export (7), and pressing board (20) rotate conflict with gas storage bag (21) in the inner wall of cold medium export (7), and gas storage bag (21) export is linked together with sealed bag (22) moreover, and sealed bag (22) are circular setting simultaneously on the terminal surface of cold medium export (7).