CN211146892U

CN211146892U - Four-stage heat exchange device

Info

Publication number: CN211146892U
Application number: CN201921696678.2U
Authority: CN
Inventors: 倪世和; 储江松
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-07-31
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a four-stage heat exchange device, which comprises an upper shell, a lower shell, a barrel, a plurality of pipelines and a flue, wherein the interior of the upper shell is divided into a first chamber, a second chamber and a third chamber which are mutually independent by a first clapboard and a second clapboard; the plurality of pipelines comprise four groups of pipelines, wherein the first group of pipelines are communicated with the first cavity and the fourth cavity, the second group of pipelines are communicated with the fourth cavity and the second cavity, the third group of pipelines are communicated with the second cavity and the fifth cavity, and the fourth group of pipelines are connected with the fifth cavity and the third cavity. The utility model discloses the setting has the level four heat transfer passageway in adopting the coal as the hot-blast stove of fuel, can carry out the level four heat transfer, produces high temperature hot-blast to the required temperature condition of tealeaves completing operation has been satisfied.

Description

Four-stage heat exchange device

Technical Field

The utility model relates to a tea production processing equipment field specifically is a level four heat transfer device.

Background

In the field of tea making, a hot blast stove is usually adopted as a heat source, in order to save cost, fuels adopted by the hot blast stove comprise firewood, coal, biomass fuels and the like, coal is usually adopted as a fuel, and the temperature condition required for enzyme deactivation is generally 270-.

In order to achieve the above purpose, a common solution is to install an adjusting valve in a pipeline connected with a water-removing hot air cover to adjust the flow of hot air in a water-removing hot air pipeline, meet the requirement of water-removing on temperature conditions on the premise of unified heat supply of a hot air furnace, and simultaneously use an induced draft fan to pump away redundant hot air (heat) in the heat supply pipeline, so that the temperature of the space where the water-removing section is located can be maintained in the required temperature condition range.

However, the above-mentioned related measures are implemented based on the pipeline for transporting heat, and since the pipeline itself has a certain heat loss in the process of transporting heat, whether the flow of hot air in the pipeline is adjusted by installing the adjusting valve at the far end or the near end, the workload is large, the adjusting accuracy is difficult to control effectively, and in addition, the redundant hot air needs to be pumped away, which causes the waste of resources.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a level four heat transfer device sets up in the hot-blast stove that adopts the coal as fuel, has level four heat transfer passageway, can carry out the level four heat transfer, produces high temperature hot-blast to satisfy the required temperature condition of tealeaves completing operation.

The technical scheme of the utility model as follows:

the utility model provides a four-stage heat exchange device, is including last casing, lower casing, connect go up the barrel and the intercommunication of casing and lower casing go up the many pipelines of casing and lower casing, its characterized in that: the middle parts of the upper shell and the lower shell are respectively provided with a flue, the interior of the upper shell is divided into a first chamber, a second chamber and a third chamber which are mutually independent by a first partition plate and a second partition plate, one side of the first chamber is provided with an air inlet, one side of the third chamber is provided with a high-temperature hot air outlet, and the interior of the lower shell is divided into a fourth chamber and a fifth chamber which are mutually independent by a third partition plate; the multiple pipelines comprise four groups of pipelines, wherein the first group of pipelines is communicated with the first chamber and the fourth chamber, the second group of pipelines is communicated with the fourth chamber and the second chamber, the third group of pipelines is communicated with the second chamber and the fifth chamber, and the fourth group of pipelines is connected with the fifth chamber and the third chamber.

The four-stage heat exchange device is characterized in that: the upper shell is a circular shell, the first partition plate and the second partition plate are arranged along the radial direction of the upper shell, the length of the first partition plate is equal to the inner diameter of the upper shell, the length of the second partition plate is equal to the inner radius of the upper shell, the first partition plate is perpendicular to the second partition plate, and the first cavity, the second cavity and the third cavity are of quarter-circle, semicircular and quarter-circle structures respectively.

The four-stage heat exchange device is characterized in that: the lower shell is a circular shell, the third partition plate is arranged along the radial direction of the lower shell, the length of the third partition plate is equal to the inner diameter of the lower shell, the third partition plate is parallel to the second partition plate, and the fourth cavity and the fifth cavity are both in semicircular structures.

The four-stage heat exchange device is characterized in that: the air inlet is connected with an air blower.

The four-stage heat exchange device is characterized in that: and the high-temperature hot air outlet is provided with an air valve.

The four-stage heat exchange device is characterized in that: and a plurality of radiating fins which are parallel to the third partition plate are respectively arranged in the lower shell.

The utility model has the advantages that:

1. the utility model discloses the setting has level four heat transfer passageway in adopting the coal as the hot-blast stove of fuel, can carry out the level four heat transfer, and it is hot-blast to produce high temperature, can satisfy the required temperature condition of tealeaves completing operation, and under the prerequisite that does not increase fuel (coal) and drop into, has improved heat exchange efficiency and resource utilization.

2. The utility model discloses an only control the hot-blast furnace itself that adopts the coal as fuel, and need not to set up or increase extra pipeline, valve and electrical control component, reduced calorific loss, practiced thrift the cost, avoided the great and regulation precision of work load to be difficult to carry out effectual problem of controlling.

3. The utility model discloses not only be applicable to the tea production processing field, be applicable to the occasion that has higher demand to the temperature condition equally.

Drawings

FIG. 1 is a schematic structural view of the present invention, in which arrow indicates outflow of heat exchange air and arrow × indicates inflow of heat exchange air.

Fig. 2 is a schematic view of the internal structure of the upper shell of the present invention, in which arrow indicates the inflow of heat exchange air and arrow × indicates the outflow of heat exchange air.

Fig. 3 is a schematic view of the internal structure of the middle-lower casing of the present invention.

In the above-described figures, the drawing is shown,

refers to the flow direction of heat exchange air;

refers to the direction of flue gas flow.

Detailed Description

Referring to the attached drawings, the four-stage heat exchange device comprises an upper shell 1, a lower shell 2, a cylinder 3 connecting the upper shell 1 and the lower shell 2, and a plurality of pipelines 4 communicating the upper shell 1 and the lower shell 2, wherein flues 5 are arranged in the middle parts of the upper shell 1 and the lower shell 2, the interior of the upper shell 1 is divided into a first chamber 8, a second chamber 9 and a third chamber 10 which are mutually independent by a first partition plate 6 and a second partition plate 7, an air inlet 11 is arranged on one side of the first chamber 8, a high-temperature hot air outlet 12 is arranged on one side of the third chamber 10, and the interior of the lower shell 2 is divided into a fourth chamber 14 and a fifth chamber 15 which are mutually independent by a third partition plate 13; the plurality of pipes 4 comprises four groups of pipes, wherein a first group of pipes 4-1 is communicated with the first chamber 8 and the fourth chamber 14, a second group of pipes 4-2 is communicated with the fourth chamber 14 and the second chamber 9, a third group of pipes 4-3 is communicated with the second chamber 9 and the fifth chamber 15, and a fourth group of pipes 4-4 is connected with the fifth chamber 15 and the third chamber 10.

The utility model discloses in, go up casing 1 and be circular casing, first baffle 6 and second baffle 7 all follow casing 1's radial setting, and the length of first baffle 6 equals casing 1's internal diameter, and the length of second baffle 7 equals casing 1's internal radius, and first baffle 6 is mutually perpendicular with second baffle 7, and first cavity 8, second cavity 9 and third cavity 10 are the quadrant respectively, semi-circular and the quadrant structure.

The lower shell 2 is a circular shell, the third partition plate 13 is arranged along the radial direction of the lower shell, the length of the third partition plate 13 is equal to the inner diameter of the lower shell 2, the third partition plate 13 is parallel to the second partition plate 7 (in space), and the fourth chamber 14 and the fifth chamber 15 are both in semicircular structures.

The air inlet 11 is connected with an air blower.

The high-temperature hot air outlet 12 is provided with an air valve.

The inside of casing 2 is equipped with a plurality of fin 16 that all parallel with third baffle 13 respectively down, can increase effective heat radiating area, has improved heat exchange efficiency and effect.

The invention is further described below with reference to the accompanying drawings:

the utility model is arranged in the hot blast stove and is positioned above the hearth, and the fuel (coal) in the hearth is burnt to generate smoke with heat; the flue gas flows upwards, enters the cylinder 3 through the flue 5 in the middle of the upper shell 1, flows upwards along the gaps among the pipelines 4, and is then discharged through the flue 5 in the middle of the lower shell 2 and the top smoke outlet of the hot blast stove in sequence.

When the air-cooled type air-cooled fan works, air (normal temperature) is blown into the upper shell 1 through the air inlet 11 by the air blower, firstly enters the first chamber 8 of the upper shell 1, then enters the fourth chamber 14 of the lower shell 2 through the first group of pipelines 4-1, and performs primary heat exchange with flue gas flowing through the cylinder 3 in the flowing process; then enters a second cavity 9 of the upper shell 1 through a second group of pipelines 4-2, and performs secondary heat exchange with the flue gas flowing through the cylinder 3 in the flowing process; then enters a fifth chamber 15 of the lower shell 2 through a third group of pipelines 4-3, and performs three-stage heat exchange with the flue gas flowing through the cylinder 3 in the flowing process; then enters a third chamber 10 of the upper shell 1 through a fourth group of pipelines 4-4, and performs four-stage heat exchange with the flue gas flowing through the cylinder 3 in the flowing process; high-temperature hot air is generated after four-stage heat exchange and is finally discharged through a high-temperature hot air outlet 12, so that the temperature condition required by tea fixation operation can be met.

The above embodiments are only described for the preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention, and the modifications and improvements made by the technical solutions of the present invention should fall into the protection scope of the present invention without departing from the design spirit of the present invention.

Claims

1. The utility model provides a four-stage heat exchange device, is including last casing, lower casing, connect go up the barrel and the intercommunication of casing and lower casing go up the many pipelines of casing and lower casing, its characterized in that: the middle parts of the upper shell and the lower shell are respectively provided with a flue, the interior of the upper shell is divided into a first chamber, a second chamber and a third chamber which are mutually independent by a first partition plate and a second partition plate, one side of the first chamber is provided with an air inlet, one side of the third chamber is provided with a high-temperature hot air outlet, and the interior of the lower shell is divided into a fourth chamber and a fifth chamber which are mutually independent by a third partition plate; the multiple pipelines comprise four groups of pipelines, wherein the first group of pipelines is communicated with the first chamber and the fourth chamber, the second group of pipelines is communicated with the fourth chamber and the second chamber, the third group of pipelines is communicated with the second chamber and the fifth chamber, and the fourth group of pipelines is connected with the fifth chamber and the third chamber.

2. The four-stage heat exchange device according to claim 1, wherein: the upper shell is a circular shell, the first partition plate and the second partition plate are arranged along the radial direction of the upper shell, the length of the first partition plate is equal to the inner diameter of the upper shell, the length of the second partition plate is equal to the inner radius of the upper shell, the first partition plate is perpendicular to the second partition plate, and the first cavity, the second cavity and the third cavity are of quarter-circle, semicircular and quarter-circle structures respectively.

3. The four-stage heat exchange device according to claim 1, wherein: the lower shell is a circular shell, the third partition plate is arranged along the radial direction of the lower shell, the length of the third partition plate is equal to the inner diameter of the lower shell, the third partition plate is parallel to the second partition plate, and the fourth cavity and the fifth cavity are both in semicircular structures.

4. The four-stage heat exchange device according to claim 1, wherein: the air inlet is connected with an air blower.

5. The four-stage heat exchange device according to claim 1, wherein: and the high-temperature hot air outlet is provided with an air valve.

6. The four-stage heat exchange device according to claim 1, wherein: and a plurality of radiating fins which are parallel to the third partition plate are respectively arranged in the lower shell.