CN215909725U

CN215909725U - Energy-saving shell-and-tube finned heat exchanger of heating machine

Info

Publication number: CN215909725U
Application number: CN202122533033.0U
Authority: CN
Inventors: 贺业强; 陈虎; 丁娜
Original assignee: Shandong Qihao New Energy Technology Co ltd
Current assignee: Shandong Qihao New Energy Technology Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-02-25
Anticipated expiration: 2031-10-21

Abstract

The utility model provides an energy-saving shell-and-tube fin heat exchanger of a heating machine, which comprises a right heat exchange shell, a left heat exchange shell, a connecting tube plate and a baffle plate, wherein a first flange connecting disc is fixed on the left end surface of the right heat exchange shell, a first rubber sealing ring is arranged on the left end surface of the first flange connecting disc, a second flange connecting disc is arranged on the right end surface of the left heat exchange shell, and a second rubber sealing ring is arranged on the right end surface of the second flange connecting disc, so that the problems of more loss and insufficient energy saving of the original shell-and-tube heat exchanger that the contact surface of fluid and a heat exchange pipeline is less, the fluid flows for a short time and cannot exchange heat well, and a part of heat flows out of the heat exchanger without being exchanged are solved by the design, so that most of heat can flow out of the heat exchanger after exchange, the loss is less, and the energy is saved sufficiently.

Description

Energy-saving shell-and-tube finned heat exchanger of heating machine

Technical Field

The utility model relates to an energy-saving shell-and-tube finned heat exchanger of a heating machine, belonging to the technical field of heat exchanger equipment.

Background

Shell-and-tube heat exchangers, also known as shell-and-tube heat exchangers. The heat exchanger consists of a shell, a heat transfer tube bundle, a tube plate, a baffle plate (baffle plate), a tube box and the like. The shell is mostly cylindrical, a tube bundle is arranged in the shell, and two ends of the tube bundle are fixed on the tube plate. One of the cold fluid and the hot fluid which carry out heat exchange flows in the tube and is called tube pass fluid; another type flows outside the tubes, called as shell-side fluid, the existing shell-and-tube heat exchanger has less contact surface between the fluid and the heat exchange pipeline, the fluid flows faster and has shorter retention time, and the fluid cannot exchange heat better, so that a part of heat flows out of the heat exchanger without exchange, the loss is more, the energy is not enough saved, the existing shell-and-tube heat exchanger is not easy to disassemble, the existing shell-and-tube heat exchanger which is easy to disassemble is poor in sealing performance, and therefore, the problem that the prior energy-saving shell-and-tube fin heat exchanger of the heating machine is needed to solve is urgently needed.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide an energy-saving shell-and-tube finned heat exchanger for an air heater, which aims to solve the problems in the background art.

In order to achieve the purpose, the utility model is realized by the following technical scheme: an energy-saving shell-and-tube finned heat exchanger for an oil heater comprises a right-side heat exchange shell, a left-side heat exchange shell, a connecting tube plate and a baffle plate, wherein a first flange connection disc is fixed on the left end face of the right-side heat exchange shell, a first rubber sealing ring is arranged on the left end face of the first flange connection disc, a second flange connection disc is arranged on the right end face of the left-side heat exchange shell, a second rubber sealing ring is arranged on the right end face of the second flange connection disc, the connecting tube plate is arranged at the left end inside the right-side heat exchange shell, a plurality of first fin straight tubes are arranged in specifications such as the right end face of the connecting tube plate, every two first fin straight tubes are hermetically connected through a first metal bent tube, a plurality of second fin straight tubes are arranged in specifications such as the right end face of the connecting tube plate, the right ends of every two second fin straight tubes are hermetically connected through a second metal bent tube, and a snap ring is fixed on the side surface inside the right-side heat exchange shell, the clamping ring is attached to the outer end faces of the first fin straight pipes, the number of the baffle plates is two, the two baffle plates are located inside the right heat exchange shell, and the two baffle plates are respectively fixed between the second fin straight pipes and the first fin straight pipes.

Furthermore, the first rubber sealing ring is attached to the second rubber sealing ring, and the butterfly-shaped fastening bolts penetrate through the first flange connecting disc, the second flange connecting disc, the first rubber sealing ring and the second rubber sealing ring.

Further, the connecting nuts are fixed on the left side of the annular side faces of the butterfly-shaped fastening bolts.

Furthermore, the right stainless steel support legs are respectively arranged on the left side and the right side of the lower end face of the right heat exchange shell, and the left stainless steel support legs are arranged on the lower end face of the left heat exchange shell.

Furthermore, the drain pipe transversely runs through the left end face lower side of the left side heat exchange shell, and the valve is arranged on the annular side face of the drain pipe.

Further, the liquid inlet pipe penetrates through the right side of the upper end face of the right side heat exchange shell.

The utility model has the beneficial effects that: the utility model relates to an energy-saving shell-and-tube finned heat exchanger of a heating machine, which is additionally provided with a connecting tube plate, a first fin straight tube, a first metal bent tube, a second fin straight tube, a snap ring, a baffle plate and a second metal bent tube, thereby leading the fluid to be fully contacted with the inner pipeline of the device, slowing the fluid flow and prolonging the retention time, thereby better exchanging heat, leading most of heat to flow out of the heat exchanger after exchanging, having less loss and enough energy saving, and the butterfly fastening bolt, the first flange connecting disc, the first rubber sealing ring, the second flange connecting disc and the connecting nut are arranged, so that the right heat exchange shell and the left heat exchange shell have sealing and detachable capabilities, thereby being convenient for people's regular maintenance, also being convenient for this device and the external connection between the heating machine use.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of an energy-saving shell-and-tube fin heat exchanger of a heating machine according to the present invention;

FIG. 2 is a schematic cross-sectional view of an energy-saving shell-and-tube fin heat exchanger of the heating machine according to the present invention;

FIG. 3 is a partially enlarged schematic view of an energy-saving shell-and-tube fin heat exchanger of the heating machine according to the present invention;

in the figure: 1-right side heat exchange shell, 2-left side heat exchange shell, 3-liquid inlet pipe, 4-liquid discharge pipe, 5-left side stainless steel support leg, 6-right side stainless steel support leg, 7-butterfly fastening bolt, 8-first flange connection disc, 9-first rubber sealing ring, 10-second rubber sealing ring, 11-second flange connection disc, 12-connection nut, 13-connection tube plate, 14-first fin straight tube, 15-first metal bent tube, 16-second fin straight tube, 17-snap ring, 18-baffle plate and 19-second metal bent tube.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: an energy-saving shell-and-tube fin heat exchanger for a heating machine comprises a right heat exchange shell 1, a left heat exchange shell 2, a connecting tube plate 13 and a baffle plate 18, wherein a first flange connection disc 8 is fixed on the left end face of the right heat exchange shell 1, a first rubber sealing ring 9 is arranged on the left end face of the first flange connection disc 8, a second flange connection disc 11 is arranged on the right end face of the left heat exchange shell 2, a second rubber sealing ring 10 is arranged on the right end face of the second flange connection disc 11, the connecting tube plate 13 is arranged at the left end inside the right heat exchange shell 1, a plurality of first fin straight tubes 14 are arranged on the right end face of the connecting tube plate 13 in a uniform specification, the right ends of every two first fin straight tubes 14 are hermetically connected through a first metal bent tube 15, a plurality of second fin straight tubes 16 are arranged on the right end face of the connecting tube plate 13 in a uniform specification, the right ends of every two second fin straight tubes 16 are hermetically connected through a second metal bent tube 19, the inside side surface of right side heat transfer casing 1 is fixed with snap ring 17, and snap ring 17 pastes with a plurality of first fin straight tube 14 outer terminal surface mutually, baffling board 18 isotacticity is provided with two, two baffling boards 18 all are located right side heat transfer casing 1 inside, and two baffling boards 18 are fixed respectively between a plurality of second fin straight tubes 16 and a plurality of first fin straight tubes 14, original shell and tube heat exchanger has been solved in this design, fluid and heat transfer pipeline contact surface are less, the fluid flow is very fast dwell time shorter, can't exchange the heat betterly, make to have some heat not just to flow out the heat exchanger through the exchange, the loss is more, the problem of energy-conservation inadequately.

First rubber seal ring 9 pastes with second rubber seal ring 10 mutually, and a plurality of butterfly fastening bolt 7 run through the setting at first flange connection pad 8, second flange connection pad 11, between first rubber seal ring 9 and the second rubber seal ring 10, can make and be connected between right side heat transfer casing 1 and the left side heat transfer casing 2 through first flange connection pad 8 and the second flange connection pad 11 that set up, and the first rubber seal ring 9 and the second rubber seal ring 10 that set up can strengthen the sealing connection nature between right side heat transfer casing 1 and the left side heat transfer casing 2.

Connecting nut 12 is fixed in a plurality of butterfly fastening bolt 7 annular side left sides, and through connecting nut 12 and a plurality of butterfly fastening bolt 7 that set up, make things convenient for people to use external spanner to screw up or unscrew connecting nut 12 to in repair the heat transfer casing 2 on the right side 1 with the left side.

Right side stainless steel landing leg 6 sets up the terminal surface left and right sides under 1 in the heat transfer casing of right side respectively, and left side stainless steel landing leg 5 sets up terminal surface under 2 in the heat transfer casing of left side, through right side stainless steel landing leg 6 and the stainless steel landing leg 5 in left side that sets up for this device can not improve the stability of placing of this device with ground direct contact.

The liquid discharge pipe 4 transversely runs through the lower side of the left end face of the left heat exchange shell 2, the valve is arranged on the annular side face of the liquid discharge pipe 4, and liquid flowing in the second fin straight pipes 16 and the first fin straight pipes 14 is conveniently discharged through the arranged liquid discharge pipe 4 and the valve.

Feed liquor pipe 3 runs through the setting on the right side of 1 up end of right side heat transfer casing, through the feed liquor pipe 3 that sets up, and this device of being convenient for lets in external liquid and carries out the operation.

As an embodiment of the present invention: by adding the connecting tube plate 13, the first fin straight tube 14, the first metal bent tube 15, the second fin straight tube 16, the snap ring 17, the baffle plate 18 and the second metal bent tube 19, thereby enabling the fluid to be fully contacted with the inner pipelines of the right heat exchange shell 1 and the left heat exchange shell 2, slowing the fluid flow and prolonging the retention time, thereby better exchanging heat, leading most of heat to flow out of the heat exchanger after exchanging, having less loss and enough energy saving, and is provided with a butterfly fastening bolt 7, a first flange connecting disc 8, a first rubber sealing ring 9, a second rubber sealing ring 10, a second flange connecting disc 11 and a connecting nut 12, so that the right heat exchange shell 1 and the left heat exchange shell 2 have sealing and detachable capabilities, thereby being convenient for people's regular maintenance, also being convenient for this device and the external connection between the heating machine use.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an energy-conserving shell and tube type fin heat exchanger of heating machine, includes right side heat transfer casing (1), left side heat transfer casing (2), connecting tube sheet (13) and baffling board (18), its characterized in that: the left end face of the right side heat exchange shell (1) is fixedly provided with a first flange connection disc (8), the left end face of the first flange connection disc (8) is provided with a first rubber sealing ring (9), the right end face of the left side heat exchange shell (2) is provided with a second flange connection disc (11), the right end face of the second flange connection disc (11) is provided with a second rubber sealing ring (10), the connection tube plate (13) is arranged at the left end inside the right side heat exchange shell (1), the right end face of the connection tube plate (13) is provided with a plurality of first fin straight tubes (14) in the same specification, every two first fin straight tubes (14) are hermetically connected through a first metal bent tube (15), the right end face of the connection tube plate (13) is provided with a plurality of second fin straight tubes (16) in the same specification, and every two second fin straight tubes (16) are hermetically connected through a second metal bent tube (19), snap rings (17) are fixed on the inner side surface of the right side heat exchange shell (1), the snap rings (17) are attached to the outer end faces of the first fin straight tubes (14), the baffle plates (18) are arranged in an equal-specification mode, the baffle plates (18) are located inside the right side heat exchange shell (1), and the two baffle plates (18) are fixed between the second fin straight tubes (16) and the first fin straight tubes (14) respectively.

2. The energy-saving shell-and-tube fin heat exchanger of the heating machine as claimed in claim 1, characterized in that: the first rubber sealing ring (9) is attached to the second rubber sealing ring (10), and a plurality of butterfly-shaped fastening bolts (7) penetrate through the first flange connection disc (8), the second flange connection disc (11), the first rubber sealing ring (9) and the second rubber sealing ring (10).

3. The energy-saving shell-and-tube fin heat exchanger of the heating machine as claimed in claim 2, characterized in that: and connecting nuts (12) are fixed on the left sides of the annular side surfaces of the butterfly-shaped fastening bolts (7).

4. The energy-saving shell-and-tube fin heat exchanger of the heating machine as claimed in claim 1, characterized in that: the terminal surface left and right sides all is provided with right side stainless steel landing leg (6) under right side heat transfer casing (1), the terminal surface is provided with left side stainless steel landing leg (5) under left side heat transfer casing (2).

5. The energy-saving shell-and-tube fin heat exchanger of the heating machine as claimed in claim 1, characterized in that: a liquid discharge pipe (4) transversely penetrates through the lower side of the left end face of the left side heat exchange shell (2), and a valve is arranged on the annular side face of the liquid discharge pipe (4).

6. The energy-saving shell-and-tube fin heat exchanger of the heating machine as claimed in claim 1, characterized in that: and a liquid inlet pipe (3) penetrates through the right side of the upper end surface of the right side heat exchange shell (1).