CN220707308U - Steam generating device and annular furnace waste heat conversion system - Google Patents
Steam generating device and annular furnace waste heat conversion system Download PDFInfo
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- CN220707308U CN220707308U CN202322410230.2U CN202322410230U CN220707308U CN 220707308 U CN220707308 U CN 220707308U CN 202322410230 U CN202322410230 U CN 202322410230U CN 220707308 U CN220707308 U CN 220707308U
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- 239000002918 waste heat Substances 0.000 title claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 9
- 230000008020 evaporation Effects 0.000 claims abstract description 72
- 238000001704 evaporation Methods 0.000 claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000004891 communication Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model belongs to the technical field of heat exchange equipment, and particularly relates to a steam generating device and an annular furnace waste heat conversion system. The steam generating container is divided into an upper part and a lower part, the heat exchange tube is firstly introduced into the upper rapid evaporation zone, and the higher temperature of the upper rapid evaporation zone rapidly heats a small amount of water flowing through the open section, so that the flowing water is rapidly evaporated into water vapor and is emitted into a bathroom shower area to improve the temperature of the area, and people in the first shower cannot feel cold.
Description
Technical Field
The utility model belongs to the technical field of heat exchange equipment, and particularly relates to a steam generating device and an annular furnace waste heat conversion system.
Background
A heat exchanger is a device for transferring heat from a hot fluid to a cold fluid to meet specified process requirements, and is an industrial application of convective heat transfer and thermal conduction. Wherein the spiral tube type heat exchanger is made of one or more groups of tubes wound into a spiral shape placed in a housing. The device has the characteristics of compact structure, larger heat transfer area than a straight pipe and small temperature difference stress, but the cleaning in the pipe is difficult, and the device can be used for heating or cooling fluid with higher viscosity.
Steam is typically produced in a factory from high temperature exhaust gases produced during production and is then introduced into the water tank of a bathroom where it is used to heat bath water for use by personnel. However, in a public bathroom in winter, it is difficult to raise the temperature in a large shower area by using only hot water during showering, which increases the risk of a bather getting cold by freezing, and steam for heating water may be contaminated due to contact with exhaust gas and is not suitable for heating in the bathroom, so that a device for generating hot water and releasing clean steam for heating is required in the public bathroom.
Disclosure of Invention
The utility model aims to solve the problems and provides a steam generating device and a ring furnace waste heat conversion system which can solve the technical problems.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the steam generating device comprises a steam generating container and heat exchange tubes, wherein the heat exchange tubes are arranged in the steam generating container, the heat exchange tubes extend to the bottom from the upper end of the steam generating container in a spiral mode, water pipes are further arranged in the steam generating container, open sections are arranged in the water pipes, and the open sections are distributed along with the heat exchange tubes.
In the steam generating device, the steam generating container comprises two rapid evaporation areas and a main evaporation area which are communicated, the rapid evaporation areas are arranged at the upper ends of the main evaporation areas, and the heat exchange tubes extend from the rapid evaporation areas to the main evaporation areas in a spiral way.
In the steam generating device, the inner diameter of the rapid evaporation area is gradually reduced from the opening at the upper end until the rapid evaporation area is connected with the main evaporation area, and the main evaporation area is a columnar inner cavity which is connected with the lower end of the rapid evaporation area in the same size.
In the steam generating device, the heat exchange tube comprises an upper heat tube and a lower heat tube which are connected end to end, wherein the upper heat tube is positioned in the rapid evaporation zone, and the lower heat tube is positioned in the main evaporation zone.
In the steam generating device, the spiral radius of the upper heat pipe is gradually reduced downwards along the inner wall of the rapid evaporation area, and the upper heat pipe is not blocked up and down.
In the steam generating device, the lower heat pipe is spirally extended to the bottom of the main evaporation zone with the same radius, and is protruded from the side wall of the main evaporation zone to the outside.
In the steam generating device, the water pipe further comprises a water inlet section, and the water inlet section is adjacent to the upper heat pipe, enters the rapid evaporation area and is communicated with the open section.
In the steam generating device, the open section extends downward along the spiral gap of the upper heat pipe to the upper port of the main evaporation zone.
In the steam generating device, the lower edge of the open section is connected to the top end of the upper heat pipe, and extends downwards to the upper port of the main evaporation zone along the upper heat pipe.
The utility model also provides a ring-shaped furnace waste heat conversion system, which comprises the steam generation device.
The utility model has the advantages that:
the steam generating container is divided into an upper part and a lower part, the heat exchange tube is firstly introduced into the upper rapid evaporation zone, and the higher temperature of the upper rapid evaporation zone rapidly heats a small amount of water flowing through the open section, so that the flowing water is rapidly evaporated into water vapor and is emitted into a bathroom shower area to improve the temperature of the area, and people in the first shower cannot feel cold.
The main evaporation zone at the lower part of the steam generation container is heated by the rear section of the heat exchange tube, cold water is heated into shower water through the lower heat tube in the main evaporation zone, and when the number of people in the shower zone is small, more water is left in the main evaporation zone due to the fact that the shower water usage amount is reduced, and the shower zone is kept warm by continuously heating the water into steam.
Drawings
Fig. 1 is a schematic view of a steam generator according to the present utility model.
Fig. 2 is a schematic view of the structure of the steam generating vessel according to the present utility model.
FIG. 3 is a schematic view of the structure of a heat exchange tube according to the present utility model.
Fig. 4 is a schematic view of the water pipe structure of the present utility model.
In the illustration, the steam generating vessel 1, the flash evaporation zone 11, the main evaporation zone 12, the heat exchange tubes 2, the upper heat pipes 21, the lower heat pipes 22, the water pipes 3, the open section 31, and the water intake section 32.
Detailed Description
The following are specific embodiments of the utility model and the technical solutions of the utility model will be further described with reference to the accompanying drawings, but the utility model is not limited to these embodiments.
Example 1
As shown in fig. 1 to 4, the steam generating device comprises a steam generating container 1 and heat exchange tubes 2, wherein the heat exchange tubes 2 are arranged in the steam generating container 1, the heat exchange tubes 2 spirally extend to the bottom from the upper end of the steam generating container 1, a water pipe 3 is further arranged in the steam generating container 1, an open section 31 is arranged in the water pipe 3, and the open section 31 is distributed along with the heat exchange tubes 2.
That is, the heat exchange tube 2 is spirally threaded from the top down in the steam generating vessel 1, and the open section 31 of the water tube 3 is abutted against the heat exchange tube 2, and the heat exchange tube 2 directly raises the temperature of the open section 31, so that water flowing a small amount in the open section 31 is rapidly vaporized and dispersed to the shower area of the bathroom, and the shower area is filled with the rapidly generated steam, so that the person who has just entered the shower does not feel cold.
At the same time, the heat exchange tubes 2 in the steam generating vessel 1 also provide continuous heating of the shower water to provide hot water, and the shower water which is continuously heated when the shower hot water demand is reduced can also generate more steam to maintain the temperature of the shower area.
In this embodiment, the steam generating vessel 1 comprises a flash evaporation zone 11 and a main evaporation zone 12 which are in communication, the flash evaporation zone 11 being disposed at the upper end of the main evaporation zone 12, and the heat exchange tubes 2 extending helically from the flash evaporation zone 11 inlet to the main evaporation zone 12 outlet.
The upper part of the steam generating container 1 is provided with an upper heat pipe 21 with higher temperature, so that the rapid evaporation zone 11 has higher temperature to enable the water of the open section 31 to be rapidly evaporated into steam to raise the temperature of the shower area in advance, and the lower main evaporation zone 12 is used for providing hot water for shower after the continuous heating of the lower heat pipe 22.
Preferably, the inner diameter of the rapid evaporation zone 11 is gradually reduced from the opening at the upper end until the rapid evaporation zone is connected with the main evaporation zone 12, and the main evaporation zone 12 is a columnar inner cavity which is connected with the lower end of the rapid evaporation zone 11 in the same size.
The large inner diameter of the rapid evaporation zone 11 can facilitate the outflow of steam, and prevent excessive steam from contacting the inner wall of the container to cause water drops to flow back into the container. While the lower main evaporation zone 12 is designed in a long cylindrical shape to accelerate the rate of temperature rise of the water in the main evaporation zone 12.
In this embodiment, the heat exchange tube 2 comprises an upper heat pipe 21 and a lower heat pipe 22 connected end to end, the upper heat pipe 21 being in the flash evaporation zone 11 and the lower heat pipe 22 being in the main evaporation zone 12. The upper heat pipe 21 has a higher temperature, is suitable for heating the open section 31 rapidly to generate steam, and the lower heat pipe 22 is suitable for heating the subsequent shower water after losing part of the heat.
Preferably, the upper heat pipes 21 gradually decrease in spiral radius downward along the inner wall of the flash evaporation zone 11, and the upper heat pipes 21 are not shielded from each other up and down. Sufficient steam needs to be generated in advance in the flash evaporation zone 11, and the upper heat pipes 21 need to be staggered up and down to avoid blocking the rising path of the steam and allow sufficient steam to enter the shower area.
Preferably, the lower heat pipe 22 maintains a spiral of the same radius extending to the bottom of the main evaporation zone 12 and protruding from the side wall of the main evaporation zone 12 to the outside. In the main evaporation zone 12, the shower water is heated, so that a uniform temperature rise of the shower water by the regular lower heat pipe 22 is required.
In this embodiment, the water pipe 3 further comprises a water inlet section 32, the water inlet section 32 entering the flash evaporation zone 11 next to the upper heat pipe 21 and communicating with the open section 31.
The water inlet section 32 is a complete pipe body and is used for being connected with a water source, and the water inlet amount of the water source is small, so that the phenomenon that steam cannot be generated due to too fast cooling of the open section 31 is avoided. When the water inlet section 32 is installed close to the upper heat pipe 21, in order to preheat the pipe body of the water inlet section 32 and cold water therein, the water is vaporized more quickly after flowing into the open section 31.
Preferably, the open section 31 extends down the spiral gap of the upper heat pipe 21 to the upper port of the main evaporation zone 12. The open sections 31 can be more closely positioned between the spiral upper heat pipes 21 so that half of the pipe body of the open sections 31 transfers more heat to enhance the heating capacity of the water flowing therein.
Example 2
Based on the technical solution of embodiment 1, the arrangement of the open section 31 is changed, and the lower edge of the open section 31 is connected to the top end of the upper heat pipe 21, and extends downward along the upper heat pipe 21 to the upper port of the main evaporation zone 12.
That is, the cambered surface lower end of the half-pipe type open section 31 is connected with the upper heat pipe 21, and the pipe body of the open section 31 is completely arranged along the spiral track of the upper heat pipe 21, so that the heat transfer of the upper heat pipe 21 is more efficient.
Example 3
The technical scheme of the embodiment 1 is applied to the annular furnace waste heat conversion system, redundant heat generated after the annular furnace of the hot rolling line is heated is discharged to the outdoor air through a flue, and after the redundant heat in the flue is collected and transformed, the waste heat transfer station collects the redundant heat and conveys the redundant heat to a bathroom water tank through a pipeline, and the use of bathroom hot water and the heat preservation of a bathroom are met by controlling the conveying of the heat and the added water quantity.
The waste heat of the annular furnace is directly discharged to waste energy consumption, a certain impact exists on discharge indexes, and the waste heat collection after technical improvement is converted into heat energy to be used, so that the energy consumption is reduced, the consumption of fuel is saved, and the problem of realizing the energy consumption saving function by waste utilization is fundamentally solved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. Steam generating device, including steam generating container (1) and heat exchange tube (2), its characterized in that, heat exchange tube (2) set up in steam generating container (1), heat exchange tube (2) follow the upper end of steam generating container (1) begins the spiral and extends to the bottom, still be provided with water pipe (3) in steam generating container (1), open section (31) have been seted up in water pipe (3), open section (31) are followed heat exchange tube (2) are distributed.
2. A steam generating device according to claim 1, characterized in that the steam generating vessel (1) comprises a flash evaporation zone (11) and a main evaporation zone (12) which are in two communication, the flash evaporation zone (11) being arranged at the upper end of the main evaporation zone (12), the heat exchange tubes (2) extending helically from the flash evaporation zone (11) inlet to the main evaporation zone (12) outlet.
3. The steam generator according to claim 2, wherein the rapid evaporation zone (11) gradually reduces the inner diameter from the upper end opening until being connected with the main evaporation zone (12), and the main evaporation zone (12) is a columnar inner cavity which is connected with the lower end of the rapid evaporation zone (11) in the same size.
4. A steam generating device according to claim 2, characterized in that the heat exchange tubes (2) comprise an upper heat tube (21) and a lower heat tube (22) connected end to end, the upper heat tube (21) being in the flash evaporation zone (11) and the lower heat tube (22) being in the main evaporation zone (12).
5. A steam generator according to claim 4, wherein the upper heat pipes (21) gradually decrease in spiral radius down the inner wall of the flash evaporation zone (11), and the upper heat pipes (21) are not shielded from each other up and down.
6. The steam generator according to claim 4, wherein the lower heat pipe (22) extends helically to the bottom of the main evaporation zone (12) maintaining the same radius and protrudes from the side wall of the main evaporation zone (12) to the outside.
7. A steam generating device according to claim 4, characterized in that the water pipe (3) further comprises a water inlet section (32), which water inlet section (32) enters the flash evaporation zone (11) next to the upper heat pipe (21) and communicates with the open section (31).
8. A steam generator according to claim 4, characterized in that the open section (31) extends down the spiral gap of the upper heat pipe (21) to the upper port of the main evaporation zone (12).
9. A steam generator according to claim 4, characterized in that the lower edge of the open section (31) is connected to the top end of the upper heat pipe (21), extending down the upper heat pipe (21) to the upper port of the main evaporation zone (12).
10. A loop furnace waste heat conversion system, characterized in that the loop furnace waste heat conversion system comprises the steam generating device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322410230.2U CN220707308U (en) | 2023-09-06 | 2023-09-06 | Steam generating device and annular furnace waste heat conversion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322410230.2U CN220707308U (en) | 2023-09-06 | 2023-09-06 | Steam generating device and annular furnace waste heat conversion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220707308U true CN220707308U (en) | 2024-04-02 |
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ID=90446871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322410230.2U Active CN220707308U (en) | 2023-09-06 | 2023-09-06 | Steam generating device and annular furnace waste heat conversion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220707308U (en) |
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2023
- 2023-09-06 CN CN202322410230.2U patent/CN220707308U/en active Active
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