CN219454764U

CN219454764U - Heat energy slow release device for flue gas heat exchanger

Info

Publication number: CN219454764U
Application number: CN202320178599.2U
Authority: CN
Inventors: 魏加成
Original assignee: Mckengarton Jiangsu Food Co ltd
Current assignee: Mckengarton Jiangsu Food Co ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-08-01
Anticipated expiration: 2033-02-01

Abstract

The utility model discloses a heat energy slow release device for a flue gas heat exchanger, which comprises a heat exchanger shell, wherein a slow release device shell is arranged in the heat exchanger shell, a water supply pipe is arranged in the slow release device shell, a plurality of groups of heat conductors are arranged on the outer wall of the water supply pipe, two ends of the water supply pipe respectively penetrate through the slow release device shell and the heat exchanger shell, and a heat energy slow release solution is filled in the slow release device shell.

Description

Heat energy slow release device for flue gas heat exchanger

Technical Field

The utility model relates to the technical field of flue gas heat exchangers, in particular to a heat energy slow release device for a flue gas heat exchanger.

Background

The waste flue gas discharged by industrial boilers and industrial heating furnaces contains a large amount of heat which accounts for 15-40% of the total heat, most of the heat is not utilized and is directly discharged into the atmosphere, so that the waste is caused, and the recovered heat can be used for heating boiler water supply, domestic hot water, production process hot water, heating hot water and the like through additionally arranging a pressure-bearing flue gas waste heat exchanger at the tail part, thereby achieving the purposes of saving energy and reducing atmospheric pollution.

Currently, the known flue gas waste heat exchangers are classified into the following types according to heat exchange elements: the heat pipe type, the light pipe type, the plate type and the fin type are characterized in that most of the flue gas is directly contacted with the heat exchange element, the heat exchange element is utilized to absorb heat to heat another substance, so that heat energy conversion is realized, but most of the heat exchange element only can absorb heat, cannot store heat and cannot delay heat loss, so that the heat exchange element needs to be continuously heated to maintain heat energy conversion, and once a heating source is lost, the heat of the heat exchange element can be quickly lost, so that the heat energy conversion efficiency is low.

There is a need for improvement in view of the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a heat energy slow release device for a flue gas heat exchanger, so as to solve the problems of the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heat energy sustained release device for flue gas heat exchanger, includes the heat exchanger casing, the internally mounted of heat exchanger casing the sustained release ware casing, the internally mounted of sustained release ware casing has the delivery pipe, the multiunit heat conduction ware is installed to the outer wall of delivery pipe, just the both ends of delivery pipe link up respectively the sustained release ware casing and the heat exchanger casing, the inside of sustained release ware casing is filled with heat energy sustained release solution, first fin is installed to the bottom of sustained release ware casing, first fin is rectangular frame-type structure, just first fin is provided with multiunit by inside to outside diffusion form.

Preferably, two groups of air inlet pipes are symmetrically arranged at the bottom of the heat exchanger shell, and the two groups of air inlet pipes penetrate through the heat exchanger shell.

Preferably, two groups of air outlet pipes are arranged at the top end of the heat exchanger shell corresponding to the air inlet pipe, and the two groups of air outlet pipes penetrate through the heat exchanger shell.

Preferably, the top and the bottom of the slow release device shell are symmetrically provided with liquid discharge pipes, and the liquid discharge pipes penetrate through the heat exchanger shell and are detachably connected with sealing covers in a sealing mode.

Preferably, the water supply pipe is a coiled pipe, and the heat conductor is specifically a second fin.

Preferably, the slow release device shell is a biconical structure part.

Preferably, the heat energy slow release solution is specifically a supersaturated solution of sodium acetate.

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

1. according to the utility model, after high-temperature flue gas enters from the bottom of the heat exchanger shell, the slow-release device shell is heated, the first fins are arranged at the bottom of the slow-release device shell and are rectangular frame-type structural members, a plurality of groups of first fins are arranged in a diffusion shape from inside to outside, heat can be quickly absorbed by using the arranged first fins, a heat energy slow-release solution filled in the slow-release device shell is heated, the heat energy slow-release solution can delay the heat loss speed, so that the heat used for heating a water supply pipe is not easy to lose, even if the heat is not continuously heated, the temperature is not immediately reduced, thereby the heating efficiency of the water supply pipe is improved, the heat exchange efficiency is improved, and the heat exchanger arranged on the outer wall of the water supply pipe is utilized to quickly absorb the heat to heat the water in the water supply pipe.

2. The water supply pipe is a coiled pipe, so that the residence time of water flow in the heat exchanger shell can be increased, the heating time of the water flow is increased, and the heating efficiency is ensured.

Drawings

FIG. 1 is a side cross-sectional view (one) of the overall structure of the present utility model;

FIG. 2 is a bottom cross-sectional view of the overall structure of the present utility model;

FIG. 3 is a top cross-sectional view of the overall structure of the present utility model;

FIG. 4 is a side cross-sectional view (II) of the overall structure of the present utility model;

fig. 5 is a schematic view of the overall structure of the present utility model.

In the figure: 1. the heat exchanger comprises a heat exchanger shell, 2, a slow release device shell, 3, a water supply pipe, 4, a first fin, 5, an air inlet pipe, 6, an air outlet pipe, 7, a liquid discharge pipe, 8, a sealing cover, 9 and a heat conductor.

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.

Example 1

Referring to fig. 1-5, the utility model provides a heat energy slow release device for a flue gas heat exchanger, which comprises a heat exchanger shell 1, wherein a slow release device shell 2 is arranged in the heat exchanger shell 1, a water supply pipe 3 is arranged in the slow release device shell 2, a plurality of groups of heat conductors 9 are arranged on the outer wall of the water supply pipe 3, two ends of the water supply pipe 3 respectively penetrate through the slow release device shell 2 and the heat exchanger shell 1, a heat energy slow release solution is filled in the slow release device shell 2, a first fin 4 is arranged at the bottom of the slow release device shell 2, the first fin 4 is a rectangular frame-type structural member, and a plurality of groups of the first fins 4 are arranged in a diffusion shape from inside to outside.

In this embodiment, after the high-temperature flue gas enters from the bottom of the heat exchanger shell 1, the slow release shell 2 is heated, because the first fins 4 are installed at the bottom of the slow release shell 2, the first fins 4 are rectangular frame-type structural members, and the first fins 4 are arranged in a diffusion shape from inside to outside, heat can be quickly absorbed by using the installed first fins 4, the heat energy slow release solution filled in the slow release shell 2 is heated, the heat energy slow release solution can delay the heat loss speed, so that the heat used for heating the water supply pipe 3 is not easy to lose, the heating efficiency of the water supply pipe 3 can be improved, the heat exchange efficiency is improved, and the heat conduction device 9 installed on the outer wall of the water supply pipe 3 can be used for quickly absorbing heat to heat water in the water supply pipe 3.

Referring to fig. 1, 3, 4 and 5, two groups of air inlet pipes 5 are symmetrically installed at the bottom of the heat exchanger shell 1, the two groups of air inlet pipes 5 are all communicated with the heat exchanger shell 1, two groups of air outlet pipes 6 are installed at the top end of the heat exchanger shell 1 corresponding to the air inlet pipes 5, the two groups of air outlet pipes 6 are all communicated with the heat exchanger shell 1, liquid discharge pipes 7 are symmetrically arranged at the top and bottom of the slow release device shell 2, the liquid discharge pipes 7 are all communicated with the heat exchanger shell 1 and are detachably and hermetically connected with sealing covers 8, the water supply pipe 3 is a coiled pipe, the heat conductor 9 is specifically a second fin, the slow release device shell 2 is a biconical structure, and the heat energy slow release solution is specifically sodium acetate supersaturated solution.

In this embodiment, through symmetrically installing two sets of intake pipes 5 in the bottom of heat exchanger shell 1 for making high temperature flue gas get into, then follow two sets of outlet duct 6 of top symmetry installation and discharge, delivery pipe 3 is the serpentine pipe, can increase the dwell time of rivers in heat exchanger shell 1 inside, thereby increase the heating time to rivers, heating efficiency has been guaranteed, because slow-release ware shell 2 is biconical structure, when need change its inside heat energy slow-release solution, can make the solution discharge cleaner, and through threaded connection's removable sealed lid 8, conveniently discharge heat energy slow-release solution through the fluid-discharge tube 7 of bottom, then add new heat energy slow-release solution again from fluid-discharge tube 7 at top, it is convenient to change, heat energy slow-release solution is specifically sodium acetate supersaturated solution, can slowly release heat after its heat absorption, can delay the time of heat loss, thereby heat energy exchange efficiency is strengthened.

Working principle: firstly, after high-temperature flue gas enters from the bottom of the heat exchanger shell 1, the slow release shell 2 is heated, as the first fins 4 are installed at the bottom of the slow release shell 2, the first fins 4 are rectangular frame-type structural members, a plurality of groups of the first fins 4 are arranged in a diffusion shape from inside to outside, heat absorption can be quickly carried out by using the installed first fins 4, a heat energy slow release solution filled in the slow release shell 2 is heated, the heat energy slow release solution can delay the heat loss speed, so that the heat used for heating the water supply pipe 3 is not easy to lose, the heating efficiency of the water supply pipe 3 can be improved, the heat exchange efficiency is improved, and the heat conduction device 9 installed on the outer wall of the water supply pipe 3 can be used for quickly absorbing heat to heat water in the water supply pipe 3.

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. A thermal energy sustained release device for a flue gas heat exchanger, comprising a heat exchanger housing (1), characterized in that: the heat exchanger is characterized in that a slow release device shell (2) is arranged in the heat exchanger shell (1), a water supply pipe (3) is arranged in the slow release device shell (2), a plurality of groups of heat conductors (9) are arranged on the outer wall of the water supply pipe (3), two ends of the water supply pipe (3) are respectively communicated with the slow release device shell (2) and the heat exchanger shell (1), a heat energy slow release solution is filled in the slow release device shell (2), a first fin (4) is arranged at the bottom of the slow release device shell (2), the first fin (4) is a rectangular frame-type structural member, and a plurality of groups of the first fins (4) are arranged in a diffusion shape from inside to outside.

2. A thermal energy sustained-release apparatus for a flue gas heat exchanger according to claim 1, wherein: two groups of air inlet pipes (5) are symmetrically arranged at the bottom of the heat exchanger shell (1), and the two groups of air inlet pipes (5) penetrate through the heat exchanger shell (1).

3. A thermal energy sustained-release apparatus for a flue gas heat exchanger according to claim 2, wherein: two groups of air outlet pipes (6) are arranged at the top end of the heat exchanger shell (1) corresponding to the air inlet pipe (5), and the two groups of air outlet pipes (6) penetrate through the heat exchanger shell (1).

4. A thermal energy sustained-release apparatus for a flue gas heat exchanger according to claim 1, wherein: the top and the bottom of the slow release device shell (2) are symmetrically provided with liquid discharge pipes (7), and the liquid discharge pipes (7) are communicated with the heat exchanger shell (1) and are detachably connected with sealing covers (8) in a sealing mode.

5. A thermal energy sustained-release apparatus for a flue gas heat exchanger according to claim 1, wherein: the water supply pipe (3) is a coiled pipe, and the heat conductor (9) is a second fin.

6. A thermal energy sustained-release apparatus for a flue gas heat exchanger according to claim 1, wherein: the slow release device shell (2) is a biconical structure part.

7. A thermal energy sustained-release apparatus for a flue gas heat exchanger according to claim 1, wherein: the heat energy slow-release solution is specifically a supersaturated solution of sodium acetate.