CN219368509U - Frock special for overhauling floating head type heat exchanger - Google Patents

Abstract

The utility model relates to the technical field of heat exchanger tools, in particular to a special tool for overhauling a floating head type heat exchanger, which comprises a heat exchanger body, wherein connecting seats are fixedly connected to two ends of the heat exchanger body, flange seats are movably connected to two ends of the heat exchanger body through the connecting seats, an interface seat is fixedly connected to one end of each flange seat, an adapting seat is fixedly connected to the other end of each flange seat, and a limiting ring is arranged at one end of each adapting seat. According to the utility model, through the arranged heat exchanger body, the connecting seat, the flange seat, the limiting ring, the sleeve seat, the honeycomb plug seat, the water inlet seat and the water delivery pipe, the whole overhaul work of the heat exchanger body can be more efficiently completed, in the actual use process, the pressure test tool adopts a three-piece assembly welding and movable gland mode, and the connecting part of the pressure test tool and the floating head heat exchanger adopts a connecting seat structure with a sealing boss and a mortise, so that the purpose of ensuring sealing and certain strength is realized, and the pressure deformation is prevented.

Description

Frock special for overhauling floating head type heat exchanger

Technical Field

The utility model relates to the technical field of heat exchanger tools, in particular to a special tool for overhauling a floating head type heat exchanger.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, also called heat exchanger, and has an important role in chemical industry, petroleum, power, food and other industrial production, and can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry, so that the heat exchanger is widely applied, and in the overhaul process, a flushing mode is usually required to be used for detecting whether an internal pipeline is damaged, and a matched tool structure is required to be used.

However, due to the special structural form of the floating head type heat exchanger, after the end socket of the floating head type heat exchanger is removed, the shell side of the heat exchanger is directly communicated with the atmosphere, great trouble is brought to the leak detection work of the tube side, so that the leak detection maintenance efficiency of the floating head type heat exchanger is lower, meanwhile, the daily tool structure is difficult to carry out the adaptive connection operation with the two ends of the heat exchanger, the maintenance work of the heat exchanger with different sizes cannot be met, the daily use is not facilitated, and therefore, the design of a special tool for the maintenance of the floating head type heat exchanger is needed to solve the problems.

Disclosure of Invention

The utility model aims to provide a special fixture for overhauling a floating head type heat exchanger, which aims to solve the problems that the special structural form of the existing floating head type heat exchanger is provided in the prior art, after a floating head side heat exchanger seal head is dismantled, a heat exchanger shell side is directly communicated with the atmosphere, great trouble is brought to tube side leak detection work, so that the overhauling efficiency of the pressure test leak detection of the floating head type heat exchanger is low, meanwhile, the daily used fixture structure is difficult to carry out adaptive connection operation with two ends of the heat exchanger, the overhauling work of heat exchangers with different sizes cannot be met, and the daily use problem is not facilitated.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a special frock is overhauld to floating head type heat exchanger, includes the heat exchanger body, the both ends fixedly connected with connecting seat of heat exchanger body, the both ends of heat exchanger body are through connecting seat swing joint has the flange seat, the one end fixedly connected with interface seat of flange seat, the other end fixedly connected with adaptation seat of flange seat, the one end of adaptation seat is provided with the spacing ring.

Preferably, the inside of the limiting ring is sleeved with a sleeve seat, and the inside of the sleeve seat is sleeved with a honeycomb plug seat.

Preferably, the back of cup jointing seat fixedly connected with spacing cassette, spacing draw-in groove has been seted up to the inside of spacing ring.

Preferably, the surface of the limiting ring is uniformly provided with fixing bolts, and the surface of the adapting seat is uniformly provided with adapting holes.

Preferably, the adapting seat and the limiting ring are connected in an adapting way through the fixing bolt and the adapting hole, and the inner wall of the flange seat is provided with a sealing ring.

Preferably, the bottom fixedly connected with of heat exchanger body advances the water seat, the bottom of water seat is provided with the raceway.

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

this special frock of floating head type heat exchanger overhauls, through the heat exchanger body that sets up, the connecting seat, the flange seat, the spacing ring, the cover seat, honeycomb stopper seat, intake seat and raceway, can more high-efficient go to accomplish the holistic maintenance work of heat exchanger body, in actual use, the pressure testing frock adopts three group to weld and movable gland modes, be connected with the connecting seat structure that the floating head type heat exchanger junction portion adopted sealed boss to take the tongue-and-groove, the purpose is guaranteeing to seal and certain intensity, prevent to press and warp, cover seat and honeycomb stopper seat junction portion are being cooperated the inside sealing ring of flange seat, the purpose is guaranteeing to seal and realize the cooperation with the tube sheet, pressure testing frock main part adopts bolted connection with the gland, make things convenient for subsequent dismouting maintenance operation, let in quantitative rivers when intake seat and raceway, through observing honeycomb stopper seat department, the inside broken position's of completion heat exchanger body detection work that can be quick, satisfy daily maintenance demand, the practicality of equipment design has been embodied.

This special frock of floating head type heat exchanger overhauls, through the flange seat that sets up, the adapter seat, the spacing ring, the cover seat, the honeycomb stopper seat, spacing cassette, spacing draw-in groove, the gim peg, adapter hole and sealing ring, further improve the holistic result of use of equipment, in daily use, the staff is at first to the both ends export size of heat exchanger body compare, then select the honeycomb stopper seat with heat exchanger body looks adaptation to dock, install the honeycomb stopper seat in the one end position of heat exchanger body through the inside sealing ring of flange seat, can be with the inside that the cover seat was advanced to honeycomb stopper seat cover this moment, and carry out the butt joint operation of suitability to the spacing cassette department of cup jointing the seat through spacing ring's spacing draw-in groove department, afterwards twist the gim peg make its suitability dock with three sets of adapter holes can, daily spacing ring, cover seat and honeycomb stopper seat's size all can carry out the adaptation and change and use, the demand of different size heat exchanger body has been satisfied, the comprehensive of equipment design has been embodied.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a schematic view of the flange seat structure of the present utility model;

FIG. 3 is an overall schematic view of a stop collar structure of the present utility model;

fig. 4 is an overall schematic view of the socket structure of the present utility model.

In the figure: 1. a heat exchanger body; 2. a connecting seat; 3. a flange seat; 4. an interface seat; 5. an adapter seat; 6. a limiting ring; 7. a socket is sleeved; 8. a honeycomb plug seat; 9. a limit clamping seat; 10. a limit clamping groove; 11. a fixing bolt; 12. an adapter hole; 13. a seal ring; 14. a water inlet seat; 15. a water pipe.

Description of the embodiments

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. 1-4, an embodiment of the present utility model is provided:

the utility model provides a special frock is overhauld to floating head type heat exchanger, including heat exchanger body 1, the both ends fixedly connected with connecting seat 2 of heat exchanger body 1, the both ends of heat exchanger body 1 are through connecting seat 2 swing joint there being flange seat 3, the one end fixedly connected with interface seat 4 of flange seat 3, the other end fixedly connected with adaptation seat 5 of flange seat 3, the bottom fixedly connected with seat 14 that intakes of heat exchanger body 1, the bottom of seat 14 that intakes is provided with raceway 15, the pressure testing frock main part adopts bolted connection with the gland, make things convenient for subsequent dismouting maintenance operation, let in quantitative rivers when seat 14 and raceway 15 that intakes, through observing honeycomb stopper seat 8 department, the completion that can be quick is to the inside broken position's of heat exchanger body 1 detection work.

The spacing ring 6, the one end of adapter seat 5 is provided with spacing ring 6, cup joint seat 7 has been cup jointed to the inside of spacing ring 6, honeycomb stopper seat 8 has been cup jointed to the inside of cup joint seat 7, spacing draw-in groove 10 has been seted up to the inside of spacing ring 6, the surface of spacing ring 6 evenly is provided with dead bolt 11, adapter hole 12 has evenly been seted up on the surface of adapter seat 5, adapter seat 5 and spacing ring 6 pass through dead bolt 11 and adapter hole 12 adaptation connection, the inner wall of flange seat 3 is provided with sealing ring 13, carry out the butt joint operation of suitability to the spacing draw-in groove 9 department of cup joint seat 7 through spacing draw-in groove 10 departments of spacing ring 6, afterwards twist set up dead bolt 11 make its suitability with three sets of adapter holes 12 butt joint can, daily spacing ring 6, cup joint seat 7 and honeycomb stopper seat 8 size all can carry out the adaptation and change and use, the maintenance demand of different size heat exchanger body 1 is satisfied.

Working principle: when in use, the pressure testing fixture is firstly connected with the floating head type heat exchanger by adopting a three-piece assembly welding and movable gland way, the connecting part of the pressure testing fixture and the floating head type heat exchanger is structurally connected with the connecting seat 2 with the tenon groove through the sealing boss, the purpose of ensuring sealing and certain strength is to prevent compression deformation, the connecting part of the socket 7 and the honeycomb plug seat 8 is matched with the sealing ring 13 inside the flange seat 3, the purpose of ensuring sealing and realizing the matching with the tube plate is to ensure that the pressure testing fixture main body and the gland are connected by bolts, the subsequent disassembly and maintenance operation is convenient, when the water inlet seat 14 and the water delivery pipe 15 are led in quantitative water flow, the detection work of the crushing position inside the heat exchanger body 1 can be rapidly completed by observing the honeycomb plug seat 8, the staff compares the outlet sizes at two ends of the heat exchanger body 1 at first, then selects the honeycomb plug seat 8 matched with the heat exchanger body 1 to be in butt joint, the honeycomb plug seat 8 is arranged at one end position of the heat exchanger body 1 through the sealing ring 13 in the flange seat 3, the honeycomb plug seat 8 can be sleeved into the sleeve seat 7 at the moment, the position of the limiting clamping seat 9 of the sleeve seat 7 is in butt joint operation in a suitability manner through the limiting clamping groove 10 of the limiting ring 6, then the fixing bolt 11 is screwed to enable the fixing bolt 11 to be in butt joint with three groups of matching holes 12 in a suitability manner, the daily limiting ring 6, the sleeve seat 7 and the honeycomb plug seat 8 can be in adaptation replacement for use, the overhaul requirements of the heat exchanger body 1 with different sizes are met, and the above is all the working principles of the utility model.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a special frock is overhauld to floating head type heat exchanger, includes heat exchanger body (1), its characterized in that: the heat exchanger comprises a heat exchanger body (1), wherein connecting seats (2) are fixedly connected to the two ends of the heat exchanger body (1), flange seats (3) are movably connected to the two ends of the heat exchanger body (1) through the connecting seats (2), interface seats (4) are fixedly connected to one ends of the flange seats (3), adapter seats (5) are fixedly connected to the other ends of the flange seats (3), and limiting rings (6) are arranged at one ends of the adapter seats (5).

2. The special fixture for overhauling a floating head heat exchanger according to claim 1, wherein: the inside of spacing ring (6) has cup jointed seat (7), cup jointed the inside of seat (7) and cup jointed honeycomb stopper seat (8).

3. The special fixture for overhauling a floating head heat exchanger according to claim 2, wherein: the back of the socket joint seat (7) is fixedly connected with a limiting clamping seat (9), and a limiting clamping groove (10) is formed in the limiting ring (6).

4. The special fixture for overhauling a floating head heat exchanger according to claim 1, wherein: the surface of the limiting ring (6) is uniformly provided with fixing bolts (11), and the surface of the adapting seat (5) is uniformly provided with adapting holes (12).

5. The special fixture for overhauling a floating head heat exchanger according to claim 1, wherein: the adapter seat (5) and the limiting ring (6) are connected in an adapting way through the fixing bolt (11) and the adapting hole (12), and a sealing ring (13) is arranged on the inner wall of the flange seat (3).

6. The special fixture for overhauling a floating head heat exchanger according to claim 1, wherein: the bottom of the heat exchanger body (1) is fixedly connected with a water inlet seat (14), and a water delivery pipe (15) is arranged at the bottom of the water inlet seat (14).