CN110617624A - Four-stage heat exchange device - Google Patents
Four-stage heat exchange device Download PDFInfo
- Publication number
- CN110617624A CN110617624A CN201910964382.2A CN201910964382A CN110617624A CN 110617624 A CN110617624 A CN 110617624A CN 201910964382 A CN201910964382 A CN 201910964382A CN 110617624 A CN110617624 A CN 110617624A
- Authority
- CN
- China
- Prior art keywords
- chamber
- partition plate
- pipelines
- heat exchange
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005192 partition Methods 0.000 claims abstract description 43
- 239000000446 fuel Substances 0.000 abstract description 9
- 239000003245 coal Substances 0.000 abstract description 8
- 241001122767 Theaceae Species 0.000 abstract description 7
- 102000004190 Enzymes Human genes 0.000 abstract description 4
- 108090000790 Enzymes Proteins 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 241001061076 Melanonus zugmayeri Species 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
- F24H3/08—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
- F24H3/088—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes using solid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1877—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/189—Arrangement or mounting of combustion heating means, e.g. grates or burners using solid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
- F24H9/2092—Arrangement or mounting of control or safety devices for air heaters using solid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/163—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
- F28D7/1669—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing the conduit assemblies having an annular shape; the conduits being assembled around a central distribution tube
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a four-stage heat exchange device which comprises an upper shell, a lower shell, a cylinder, 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 partition plate and a second partition plate; 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 invention is arranged in the hot blast stove which adopts coal as fuel, has a four-stage heat exchange channel, can carry out four-stage heat exchange, and generates high-temperature hot air, thereby meeting the temperature condition required by tea enzyme deactivating operation.
Description
Technical Field
The invention relates to the field of tea production and processing equipment, in particular to a four-stage heat exchange 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.
Disclosure of Invention
The invention aims to provide a four-stage heat exchange device which is arranged in a hot blast stove using coal as fuel and is provided with a four-stage heat exchange channel, so that four-stage heat exchange can be carried out, high-temperature hot air is generated, and the temperature condition required by tea enzyme deactivating operation is met.
The technical scheme of the invention is 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 invention has the beneficial effects that:
1. the invention is arranged in the hot blast stove which adopts coal as fuel, is provided with a four-stage heat exchange channel, can carry out four-stage heat exchange to generate high-temperature hot air, can meet the temperature condition required by tea enzyme deactivating operation, and improves the heat exchange efficiency and the resource utilization rate on the premise of not increasing the fuel (coal) input.
2. The invention realizes the control of the hot blast stove which only adopts coal as fuel without arranging or increasing additional pipelines, valves and electric control elements, reduces the heat loss, saves the cost and avoids the problems of larger workload and difficult effective control of the adjustment precision.
3. The invention is not only suitable for the field of tea production and processing, but also suitable for occasions with higher requirements on temperature conditions.
Drawings
FIG. 1 is a schematic structural view of the present invention; in the figure,. (arrows) indicate outflow of heat exchange air, and x (arrow tails) indicate inflow of heat exchange air.
FIG. 2 is a schematic view of the internal structure of the upper housing according to the present invention; in the figure,. (arrows) indicate the inflow of heat exchange air, and x (arrow tails) indicate the outflow of heat exchange air.
Fig. 3 is a schematic view of the internal structure of the lower case according to the present invention.
In the above drawings, → indicates a heat exchange air flow direction;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.
In the invention, the upper shell 1 is a circular shell, the first partition plate 6 and the second partition plate 7 are arranged along the radial direction of the upper shell 1, the length of the first partition plate 6 is equal to the inner diameter of the upper shell 1, the length of the second partition plate 7 is equal to the inner radius of the upper shell 1, the first partition plate 6 is vertical to the second partition plate 7, and the first chamber 8, the second chamber 9 and the third chamber 10 are respectively of a quarter-circle structure, a semi-circle structure and a quarter-circle 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 invention is arranged in the hot blast stove and is positioned above the hearth, and fuel (coal) in the hearth is combusted 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 examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and those skilled in the art should make variations and modifications to the technical solution of the present invention without departing from the spirit of the present invention.
Claims (6)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910964382.2A CN110617624A (en) | 2019-10-11 | 2019-10-11 | Four-stage heat exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910964382.2A CN110617624A (en) | 2019-10-11 | 2019-10-11 | Four-stage heat exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110617624A true CN110617624A (en) | 2019-12-27 |
Family
ID=68925632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910964382.2A Pending CN110617624A (en) | 2019-10-11 | 2019-10-11 | Four-stage heat exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110617624A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050076903A1 (en) * | 2003-07-23 | 2005-04-14 | Gaz Metro | Multi-functional fireplace |
| CN202485206U (en) * | 2012-03-26 | 2012-10-10 | 临朐三利机械设备有限公司 | Energy-saving air heating furnace |
| CN205425428U (en) * | 2016-03-15 | 2016-08-03 | 徐志欣 | Hot blast stove |
| CN107621079A (en) * | 2017-09-14 | 2018-01-23 | 广西节得乐生物质能源科技有限公司 | A kind of hot air heat exchanger of biomass combustion equipment |
| CN109297326A (en) * | 2018-12-13 | 2019-02-01 | 广州威茨热能技术有限公司 | A kind of flue gas air heat exchanger and the secondary preheating burner with the exchanger |
| CN211146892U (en) * | 2019-10-11 | 2020-07-31 | 倪世和 | Four-stage heat exchange device |
-
2019
- 2019-10-11 CN CN201910964382.2A patent/CN110617624A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050076903A1 (en) * | 2003-07-23 | 2005-04-14 | Gaz Metro | Multi-functional fireplace |
| CN202485206U (en) * | 2012-03-26 | 2012-10-10 | 临朐三利机械设备有限公司 | Energy-saving air heating furnace |
| CN205425428U (en) * | 2016-03-15 | 2016-08-03 | 徐志欣 | Hot blast stove |
| CN107621079A (en) * | 2017-09-14 | 2018-01-23 | 广西节得乐生物质能源科技有限公司 | A kind of hot air heat exchanger of biomass combustion equipment |
| CN109297326A (en) * | 2018-12-13 | 2019-02-01 | 广州威茨热能技术有限公司 | A kind of flue gas air heat exchanger and the secondary preheating burner with the exchanger |
| CN211146892U (en) * | 2019-10-11 | 2020-07-31 | 倪世和 | Four-stage heat exchange device |
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