CN218627932U

CN218627932U - Quick-repair waste heat recoverer

Info

Publication number: CN218627932U
Application number: CN202222992237.5U
Authority: CN
Inventors: 熊万奎; 王揽月; 熊倩倩
Original assignee: Anhui Juyuan Machinery Equipment Co ltd
Current assignee: Anhui Juyuan Machinery Equipment Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-14
Anticipated expiration: 2032-11-10

Abstract

The utility model provides a quick-repair waste heat recoverer, which comprises a recovery box; the two ends of the inner cavity of the recycling box are respectively divided into an air inlet cavity, a heat exchange cavity and an air exhaust cavity by a first tube plate and a second tube plate, the inner cavity of the first tube plate is provided with a first connecting assembly, the inner cavity of the second tube plate is provided with a second connecting assembly, the bottom of the inner cavity of the heat exchange cavity is fixedly connected with a mounting frame, one side of the mounting frame is provided with a placing groove, and the inner cavity of the placing groove is provided with the heat exchange assembly; the first connecting assembly comprises a first connecting pipe, a first connecting pipe is fixedly connected with the inner cavity of the first pipe plate at equal intervals, a first flange plate is fixedly connected with one end of the first connecting pipe, a first sealing groove is formed in one side of the first flange plate, and a first sealing gasket is installed in the inner cavity of the first sealing groove. The utility model discloses a first coupling assembling and second coupling assembling have realized changing the sealed pad at heat transfer pipe both ends, also will realize simultaneously sealing, still make things convenient for quick to install it.

Description

Quick-repair waste heat recoverer

Technical Field

The utility model relates to a waste heat recovery technical field, concretely relates to quick-repair formula waste heat recoverer.

Background

The waste heat recoverer (also called as a waste heat recovery device) is a device which takes a heat exchanger as a main component, transfers redundant heat generated by one device to another device for heating or energy conversion, and is economical and environment-friendly.

At present, when an existing waste heat recoverer is installed, a plurality of heat exchange tubes with the same length are selected at first, then baffle plates are sleeved on the outer surfaces of the heat exchange tubes with the same length, and after the baffle plates are sleeved, the two ends of each heat exchange tube are welded on a tube plate respectively, so that the recoverer is installed, and radial gaps exist between baffle plate holes and tubes in the installation process, so that the recoverer is easy to have the following problems in use:

because, the current in order to strengthen heat transfer and reduce the dirt layer, usually adopt the method of increase shell side fluid velocity of flow, and shell side fluid velocity of flow increases, will make the pipe take place lateral vibration, when lateral vibration's amplitude is great, will cause to produce repeatedly between the internal surface of pipe wall and baffle hole and collide, thereby make the pipe break, however, adopt the welding between the both ends of pipe and the pipe sheet in current recoverer, and then when changing the pipe, need to cut the damaged pipe, weld new pipe again, can accomplish the change to the pipe, it is not only troublesome to change like this, still reduced the change efficiency.

In view of the foregoing, there is a need for a waste heat recovery device that can quickly replace tubes.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a quick-repair formula waste heat recoverer has solved the problem of mentioning in the background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a quick-repair waste heat recoverer comprises a recovery box; the two ends of the inner cavity of the recycling box are respectively divided into an air inlet cavity, a heat exchange cavity and an air exhaust cavity by a first tube plate and a second tube plate, the inner cavity of the first tube plate is provided with a first connecting assembly, the inner cavity of the second tube plate is provided with a second connecting assembly, the bottom of the inner cavity of the heat exchange cavity is fixedly connected with a mounting frame, one side of the mounting frame is provided with a placing groove, and the inner cavity of the placing groove is provided with a heat exchange assembly; the first connecting assembly comprises a first connecting pipe, a first connecting pipe is fixedly connected with the inner cavity of the first pipe plate at equal intervals, a first flange plate is fixedly connected with one end of the first connecting pipe, a first sealing groove is formed in one side of the first flange plate, and a first sealing gasket is installed in the inner cavity of the first sealing groove.

Further, second coupling assembling includes the second connecting pipe, equidistant fixedly connected with second connecting pipe of second tube sheet inner chamber, second connecting pipe inner chamber threaded connection has the hollow tube, hollow tube one end fixedly connected with spacing ring, the hollow tube surface just is located spacing ring one side sliding connection and has the thread bush, spacing ring one side fixedly connected with bulge loop.

Further, heat exchange assembly includes the heat exchange tube, the heat exchange tube has been placed to the standing groove inner chamber, equidistant fixedly connected with radiating fin of heat exchange tube surface, heat exchange tube one end fixedly connected with second flange, second flange one end fixedly connected with insert ring, heat exchange tube other end fixedly connected with external screw thread pipe, the external screw thread pipe inner chamber is provided with the second seal groove, the sealed pad of second is installed to second seal groove inner chamber.

Furthermore, both ends of the inner cavity of the heat exchange cavity are fixedly connected with U-shaped frames respectively, the inner cavity of each U-shaped frame is connected with a water-stop sheet in a sliding mode, the upper end face of each water-stop sheet is fixedly connected with a sealing cover, and the upper end face of each sealing cover is fixedly connected with the recovery box through bolts.

Furthermore, the both ends of gland bonnet up end fixedly connected with inlet tube and steam pipe respectively, terminal surface fixedly connected with drain pipe under the collection box, collection box up end both ends fixedly connected with intake pipe and blast pipe respectively, collection box both sides middle part fixedly connected with access hole respectively, access hole one side is through bolt fixedly connected with access panel.

The utility model provides a quick-repair waste heat recoverer. Compared with the prior art, the method has the following beneficial effects:

1. through first coupling assembling and second coupling assembling's cooperateing, not only can be quick connect the installation with the heat exchange tube, simultaneously still make things convenient for the later stage to maintain again, conveniently seal up the first sealing gasket of junction and the sealed pad of second is changed, and finally, through the connected mode of this kind, can ensure holistic leakproofness, still make things convenient for quick installation change.

2. Through the cooperation of access panel and access hole, can make things convenient for the later stage staff to overhaul the splice of first tube sheet and first connecting pipe and second tube sheet and second connecting pipe department through the access hole, prevent that the splice condition such as crack from appearing.

3. The space in the water return tank is reduced through the U-shaped frame and the water insulation, so that the heat exchange efficiency of the heat exchange tube is higher.

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 shows the overall structure of the present invention;

fig. 2 shows another view angle overall structure diagram of the present invention;

fig. 3 shows a schematic top view of the present invention;

FIG. 4 is a schematic diagram showing a side view of the present invention;

fig. 5 is an enlarged schematic view of the area a in fig. 4 according to the present invention;

FIG. 6 is a schematic view of the present invention showing a side view of the partial cutaway;

fig. 7 is an enlarged schematic view of the area B in fig. 6 according to the present invention;

FIG. 8 is a schematic view of the present invention in a partially broken away top view configuration;

fig. 9 shows a schematic structural view of the sealing cover, the water-stop sheet and the U-shaped frame of the present invention;

shown in the figure: 1. a recycling bin; 2. a first tube sheet; 3. a second tube sheet; 4. an air inlet cavity; 5. a heat exchange cavity; 6. an exhaust chamber; 7. a first connection assembly; 71. a first connecting pipe; 72. a first flange plate; 73. a first seal groove; 74. a first gasket; 8. a second connection assembly; 81. a second connecting pipe; 82. a hollow tube; 83. a limiting ring; 84. a threaded sleeve; 85. a convex ring; 9. a mounting frame; 10. a placement groove; 11. a heat exchange assembly; 111. a heat exchange pipe; 112. a heat dissipating fin; 113. a second flange; 114. inserting a ring; 115. an externally threaded tube; 116. a second seal groove; 117. a second gasket; 12. a U-shaped frame; 13. a water-stop sheet; 14. a sealing cover; 15. a water inlet pipe; 16. a steam pipe; 17. a drain pipe; 18. an air inlet pipe; 19. an exhaust pipe; 20. an access hole; 21. and (7) overhauling the plate.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

In order to solve the technical problems in the background art, the following quick-repair waste heat recoverer is provided:

referring to fig. 1 to 9, the present invention provides a quick-repair waste heat recovery device, which includes a recovery box 1; the two ends of the inner cavity of the recycling box 1 are respectively divided into an air inlet cavity 4, a heat exchange cavity 5 and an exhaust cavity 6 through a first tube plate 2 and a second tube plate 3, the inner cavity of the first tube plate 2 is provided with a first connecting assembly 7, the inner cavity of the second tube plate 3 is provided with a second connecting assembly 8, the bottom of the inner cavity of the heat exchange cavity 5 is fixedly connected with an installation frame 9, one side of the installation frame 9 is provided with a placement groove 10, and the inner cavity of the placement groove 10 is provided with a heat exchange assembly 11; the first connecting assembly 7 comprises a first connecting pipe 71, the first connecting pipe 71 is fixedly connected to the inner cavity of the first tube plate 2 at equal intervals, a first flange 72 is fixedly connected to one end of the first connecting pipe 71, a first sealing groove 73 is arranged on one side of the first flange 72, and a first sealing gasket 74 is mounted in the inner cavity of the first sealing groove 73. The second connecting assembly 8 comprises a second connecting pipe 81, the inner cavity of the second pipe plate 3 is fixedly connected with the second connecting pipe 81 at equal intervals, the inner cavity of the second connecting pipe 81 is in threaded connection with a hollow pipe 82, one end of the hollow pipe 82 is fixedly connected with a limiting ring 83, the outer surface of the hollow pipe 82 is located on one side of the limiting ring 83 and is slidably connected with a threaded sleeve 84, and one side of the limiting ring 83 is fixedly connected with a convex ring 85.

Through first coupling assembling 7 and second coupling assembling 8, can make things convenient for the later stage to dismantle heat exchange assemblies 11, dismantle the back to seal up 74 and the sealed 117 change of second to first sealed, ensure holistic leakproofness, place the condition that appears leaking.

As the improvement of the above technical scheme, the heat exchange assembly 11 comprises a heat exchange tube 111, the heat exchange tube 111 is placed in the inner cavity of the placing groove 10, the outer surface of the heat exchange tube 111 is fixedly connected with radiating fins 112 at equal intervals, one end of the heat exchange tube 111 is fixedly connected with a second flange 113, one end of the second flange 113 is fixedly connected with an insert ring 114, the other end of the heat exchange tube 111 is fixedly connected with an external threaded tube 115, a second sealing groove 116 is formed in the inner cavity of the external threaded tube 115, and a second sealing gasket 117 is installed in the inner cavity of the second sealing groove 116.

The heat exchange tube 111 and the heat dissipation fin 112 in the heat exchange assembly 11 are matched with each other, so that the overall heat exchange is accelerated.

Example two

As shown in fig. 1 to fig. 9, on the basis of the above embodiments, the present embodiment further provides the following:

the two ends of the inner cavity of the heat exchange cavity 5 are respectively and fixedly connected with a U-shaped frame 12, the inner cavity of the U-shaped frame 12 is in sliding connection with a water-stop sheet 13, the upper end face of the water-stop sheet 13 is fixedly connected with a sealing cover 14, and the upper end face of the sealing cover 14 is fixedly connected with the recovery box 1 through bolts. The both ends of the upper end face of the sealing cover 14 are fixedly connected with a water inlet pipe 15 and a steam pipe 16 respectively, the lower end face of the recovery box 1 is fixedly connected with a drain pipe 17, the both ends of the upper end face of the recovery box 1 are fixedly connected with an air inlet pipe 18 and an exhaust pipe 19 respectively, the middle parts of the two sides of the recovery box 1 are fixedly connected with an access hole 20 respectively, and one side of the access hole 20 is fixedly connected with an access plate 21 through a bolt.

Through mutually supporting of U type frame 12, water-stop sheet 13 and sealed lid 14, reduced the sealed of 1 inner chamber of collection box to make things convenient for the better heat transfer in later stage, then through access hole 20, can overhaul whether there is the crack first connecting pipe 71 of welded on first tube sheet 2 and the second tube sheet 3 and second connecting pipe 81 department, place soft water solution and waste gas and mix.

The utility model discloses a theory of operation and use flow:

in the use state:

during installation: firstly, a worker places a first sealing gasket 74 in a first sealing groove 73, after the placement, the worker can place the heat exchange tube 111 in the placement groove 10, after the placement, the worker can move one end with an inserting ring 114 towards one end of the first connecting assembly 7, and insert one end of the inserting ring 114 into the first sealing groove 73, one end of the inserted inserting ring 114 contacts one side of the first sealing gasket 74, and at the moment, the worker can fix a second flange 113 on the heat exchange tube 111 and a first flange 72 on the first connecting tube 71 together through bolts and nuts, so that the replacement of the first sealing gasket 74 is completed;

when the second packing 117 is installed, the second packing 117 is first placed at the other end of the heat exchange pipe 111, and after the second packing is placed, the hollow pipe 82 is rotated, and since the hollow pipe 82 is threadedly coupled to the second connection pipe 81, the hollow pipe 82 is also moved in the second connection pipe 81 while rotating, and while moving along with the movement of the hollow pipe 82, the hollow pipe 82 is moved toward the other end of the heat exchange pipe 111, and while moving the hollow pipe 82, the driving protrusion 85 is inserted into the second sealing groove 116 and is in contact with one side of the second packing 117, and after the contact and the second packing 117 is squeezed, and while the hollow pipe 82 is not screwed, the screwing of the hollow pipe 82 is stopped, and while the screw bushing 84 is being screwed, the screw bushing 84 is threadedly coupled to the outer surface of the externally threaded pipe 115 at the other end of the heat exchange pipe 111, whereby the connection of the heat exchange pipe 111 to the second connection pipe 81 is achieved by the screw bushing 84, and the overall sealing performance is ensured, and while the replacement of the second packing 117 is completed, and the rapid replacement of the first connection assembly and the subsequent installation of the heat exchange pipe are facilitated, and the breakage of the two connection assemblies are performed.

After the replacement is completed, at this moment, the sealing cover 14 is lifted, after the lifting, the water-stop sheet 13 at the lower part of the sealing cover 14 is positioned in the inner cavity of the U-shaped frame 12, then the sealing cover 14 is slowly placed downwards, the water-stop sheet 13 is positioned in the U-shaped frame 12, after the placement, the sealing cover 14 is fixed on the upper part of the recovery box 1 through a bolt, so that the recovery box 1 is integrally sealed, through the mutual matching of the water-stop sheet 13 and the U-shaped frame 12, the inner space of the recovery box 1 is reduced, and the heat exchange is convenient to replace.

After sealing, the access panel 21 on one side of the access opening 20 is detached, and after the access panel is detached, the detection of the welding positions of the first tube plate 2 and the second tube plate 3 with the first connecting tube 71 and the second connecting tube 81 is started, so that the cracks at the welding positions are prevented, the water solution inside the recovery box 1 is prevented from permeating, and the whole production cannot be continuously operated.

After the overhaul is completed, at this moment, the staff injects water into the recycling box 1 through the water inlet pipe 15, the flue gas is injected through the air inlet pipe 18, the flue gas enters the air inlet cavity 4 through the air inlet pipe 18, the flue gas is uniformly dispersed into the heat exchange pipe 111 through the air inlet cavity 4, at this moment, the heat is exchanged into the water through the heat exchange pipe 111, the flue gas subjected to heat exchange enters the exhaust cavity 6, and finally the flue gas is discharged through the exhaust pipe 19, so that the recycling of waste heat is completed.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A quick service waste heat recoverer is characterized in that: comprises a recovery box (1); an air inlet cavity (4), a heat exchange cavity (5) and an exhaust cavity (6) are respectively partitioned at two ends of an inner cavity of the recycling box (1) through a first tube plate (2) and a second tube plate (3), a first connecting assembly (7) is installed in the inner cavity of the first tube plate (2), a second connecting assembly (8) is installed in the inner cavity of the second tube plate (3), a mounting frame (9) is fixedly connected to the bottom of the inner cavity of the heat exchange cavity (5), a placing groove (10) is formed in one side of the mounting frame (9), and a heat exchange assembly (11) is placed in the inner cavity of the placing groove (10);

first coupling assembly (7) include first connecting pipe (71), equidistant fixedly connected with first connecting pipe (71) in first tube sheet (2) inner chamber, first ring flange (72) of first connecting pipe (71) one end fixedly connected with, first ring flange (72) one side is provided with first seal groove (73), first sealed pad (74) is installed to first seal groove (73) inner chamber.

2. The quick service waste heat recoverer of claim 1, wherein: second coupling assembling (8) include second connecting pipe (81), equidistant fixedly connected with second connecting pipe (81) in second tube sheet (3) inner chamber, second connecting pipe (81) inner chamber threaded connection has hollow tube (82), hollow tube (82) one end fixedly connected with spacing ring (83), hollow tube (82) surface just is located spacing ring (83) one side sliding connection has thread bush (84), spacing ring (83) one side fixedly connected with bulge loop (85).

3. A quick service waste heat recoverer as claimed in claim 2, wherein: heat exchange assembly (11) include heat exchange tube (111), heat exchange tube (111) have been placed to standing groove (10) inner chamber, equidistant fixedly connected with radiating fin (112) in heat exchange tube (111) surface, heat exchange tube (111) one end fixedly connected with second flange (113), second flange (113) one end fixedly connected with insert ring (114), heat exchange tube (111) other end fixedly connected with external screw thread pipe (115), external screw thread pipe (115) inner chamber is provided with second seal groove (116), the sealed pad (117) of second is installed to second seal groove (116) inner chamber.

4. The quick service waste heat recoverer of claim 1, wherein: the heat exchange cavity is characterized in that two ends of an inner cavity of the heat exchange cavity (5) are fixedly connected with U-shaped frames (12) respectively, an inner cavity of each U-shaped frame (12) is connected with a water-stop sheet (13) in a sliding mode, the upper end face of each water-stop sheet (13) is fixedly connected with a sealing cover (14), and the upper end face of each sealing cover (14) is fixedly connected with the recovery box (1) through bolts.

5. The quick service waste heat recoverer of claim 4, wherein: the improved water-saving recycling bin is characterized in that the two ends of the upper end face of the sealing cover (14) are respectively and fixedly connected with a water inlet pipe (15) and a steam pipe (16), the lower end face of the recycling bin (1) is fixedly connected with a water drain pipe (17), the two ends of the upper end face of the recycling bin (1) are respectively and fixedly connected with an air inlet pipe (18) and an air exhaust pipe (19), the middle parts of the two sides of the recycling bin (1) are respectively and fixedly connected with an access hole (20), and one side of the access hole (20) is provided with an access plate (21) through a bolt fixedly connected with.