CN203642737U - Thermal energy recovery heat exchanger for power plant - Google Patents
Thermal energy recovery heat exchanger for power plant Download PDFInfo
- Publication number
- CN203642737U CN203642737U CN201320718265.6U CN201320718265U CN203642737U CN 203642737 U CN203642737 U CN 203642737U CN 201320718265 U CN201320718265 U CN 201320718265U CN 203642737 U CN203642737 U CN 203642737U
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- heat exchanger
- power plant
- exchanger tube
- thermal energy
- energy recovery
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Abstract
The utility model discloses a thermal energy recovery heat exchanger for a power plant, and solves the problems that a heat exchanger in the prior art is high in requirements on the use conditions, narrow in the scope of applicable temperature, high in cost, and short in service life, and does not resist corrosion by a corrosive fluid. The corrosive fluid recovery heat exchanger comprises a cold fluid inlet, a cold fluid outlet, and a heat exchange tube, wherein the heat exchange tube communicates the cold fluid inlet with the cold fluid outlet, and an exchange pond with an anticorrosive inner wall is arranged at the periphery of the heat exchange tube, and is used for holding high temperature fluid containing waste heat or a high temperature corrosive fluid. The thermal energy recovery heat exchanger for the power plant is simple in structure, resists corrosion and high temperature, is long in service life, is convenient to overhaul, and is convenient to popularize.
Description
Technical field
The utility model relates to energy recovery technical field, particularly a kind of power plant thermal energy recovery heat exchanger.
Background technology
At present, corrosive fluid (as the sewage) temperature that power plant, boiler etc. form in producing is not high, but still contain can absorption extraction heat.Its heat content can not directly be utilized, and the heat extraction in middle cryogen is out heated to low-temperature material, carries out Waste Heat Recovery utilization, has good economic benefit and social benefit.At present, increasing researcher is devoted to the used heat utilization of sewage.
Granted publication number is that the Chinese utility model patent of " CN202204034U " discloses a kind of oilfield sewage low-temperature heat energy recovery system, it comprises oilfield sewage storage tank, cold clear water storage tank, Intermediate Heat Exchanger and absorption water resource heat pump, described oilfield sewage storage tank is by being connected with the pipeline of centrifugal pump and the tube side of Intermediate Heat Exchanger, described cold clear water storage tank is connected with the shell side of Intermediate Heat Exchanger by the pipeline with centrifugal pump, and described Intermediate Heat Exchanger becomes pipeline to be connected with absorption water resource heat pump.
But, the heat recovery heat exchanger of steam power plant, boiler requires harsh to service condition at present, Applicable temperature narrow range, cost is too high, short maybe can not tolerate corrosive fluid corrosion service life, corroded by corrosive fluid, can not large-scale application, therefore the popularization of sewage used heat utilization is subject to great restriction.
Utility model content
The purpose of this utility model is to provide a kind of power plant thermal energy recovery heat exchanger, with solve heat exchanger of the prior art to service condition require that harshness, Applicable temperature narrow range, cost are high, short maybe can not tolerate the problem that corrosive fluid corrodes service life.
The technical solution of the utility model is achieved in that
A kind of power plant thermal energy recovery heat exchanger, comprise cold fluid entrance and cold fluid outlet and be communicated with described cold fluid entrance and the heat exchanger tube of described cold fluid outlet, the peripheral exchange pond with anticorrosion inwall that arranges of described heat exchanger tube, the fluid that used heat is contained for splendid attire in described exchange pond.Exchange pond is arranged on described heat exchanger tube periphery, is convenient to exchange pond maintenance.
Preferably, bottom, described exchange pond is provided with groove, is provided for supporting the brace table of described heat exchanger tube on described groove.
Further, described heat exchanger tube comprises the vertical heat exchanger tube that is communicated with described cold fluid entrance and extends to described brace table place height, the snakelike heat exchange tube that is communicated with described vertical heat exchanger tube and the outlet of described cold fluid; Described vertical heat exchanger tube and described snakelike heat exchange tube are one-body molded.Cold fluid is by extremely vertically heat exchanger tube bottom of described cold fluid inlet streams, then described cold fluid transfers to described cold fluid by snakelike heat exchange tube from bottom to top and exports, described cold fluid to the process of cold fluid outlet, absorbs the heat of high temperature fluid in described exchange pond (can be high temperature corrosion fluid) by cold fluid inlet streams.
Preferably, between described heat exchanger tube and described exchange pond, be provided for the heat exchanger tube framework of heat exchanger tube described in support, described heat exchanger tube framework comprises cuboid framework, in described cuboid framework, be oppositely arranged the first tube sheet and the second tube sheet, some stationary pipes for fixing described heat exchanger tube are set on described the first tube sheet and described the second tube sheet.The heat exchanger tube framework that is provided for heat exchanger tube described in support, can shift out heat exchanger tube easy access with heat exchanger tube framework entirety.
Further, the side of described cuboid framework arranges the reinforcement of some connections described cuboid framework upper edge and lower edge.This arranges and can make the better support heat exchanger tube of heat exchanger tube framework, and heat exchanger tube framework is open frame, and the situation of easily observing heat exchanger tube, pinpoints the problems in time, if heat exchanger tube leaks, may cause corrosive fluid to enter boiler or pipeline, very harmful.
Further, described reinforcement vertically arranges.
Further, described reinforcement is uniformly distributed.
Preferably, on described heat exchanger tube framework, be symmetrical arranged two hangers.When easy access or maintenance, heat exchanger tube and heat exchanger tube framework entirety are shifted out.
As preferred version, described exchange pond is the exchange pond with fiberglass inwall.
As another kind of preferred version, described exchange pond is the exchange pond with cement inwall.
The beneficial effect of the utility model power plant thermal energy recovery heat exchanger is:
Power plant of the present utility model thermal energy recovery heat exchanger is simple in structure, corrosion-resistant, high temperature resistant, long service life, convenient maintenance, is convenient to promote.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the utility model power plant thermal energy recovery heat exchanger;
Fig. 2 is the another kind of structural representation of the utility model power plant thermal energy recovery heat exchanger;
Fig. 3 is the thermal energy transfer schematic flow sheet of power plant's energy recovery heat-exchange system of comprising the utility model power plant thermal energy recovery heat exchanger.
The specific embodiment
To the technical scheme in the utility model embodiment be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of power plant thermal energy recovery heat exchanger, comprises cold fluid entrance and cold fluid outlet and is communicated with cold fluid entrance and the heat exchanger tube of cold fluid outlet, the peripheral exchange pond with anticorrosion inwall that arranges of heat exchanger tube, the fluid that used heat is contained for splendid attire in exchange pond.
As preferred embodiment, bottom, exchange pond is provided with groove, is provided for supporting the brace table of heat exchanger tube on groove.
Further, heat exchanger tube comprises the vertical heat exchanger tube that is communicated with cold fluid entrance and extends to brace table place height, the snakelike heat exchange tube that is communicated with vertical heat exchanger tube and cold fluid outlet; Vertically heat exchanger tube and snakelike heat exchange tube are one-body molded.
As preferred embodiment, between heat exchanger tube and exchange pond, be provided for the heat exchanger tube framework of support heat exchanger tube, heat exchanger tube framework comprises cuboid framework, in cuboid framework, be oppositely arranged the first tube sheet and the second tube sheet, some stationary pipes for fixing heat exchanger tube are set on the first tube sheet and the second tube sheet.
Further, the side of cuboid framework arranges the reinforcement of some connection cuboid framework upper edges and lower edge.
Further, reinforcement vertically arranges.
Further, reinforcement is uniformly distributed.
As preferred embodiment, on heat exchanger tube framework, be symmetrical arranged two hangers.
As preferred embodiment, exchange pond is the exchange pond with fiberglass inwall.
As another kind of preferred embodiment, exchange pond is the exchange pond with cement inwall.
Embodiment
As shown in Figure 1, a kind of power plant thermal energy recovery heat exchanger, comprises cold fluid entrance 1 and cold fluid outlet 4; Cold fluid entrance 1 and cold fluid outlet 4 are communicated with by heat exchanger tube 2, and cold fluid entrance 1 connects by the first flange 6 with heat exchanger tube 2, and cold fluid outlet 4 connects by the second flange 5 with heat exchanger tube 2; Cold fluid enters heat exchanger tube 2 by cold fluid entrance 1 and is flowed out by cold fluid outlet 4; Heat exchanger tube 2 peripheries arrange exchange pond 3, and the inwall in exchange pond 3 is fiberglass inwall or cement inwall; The exchange high temperature fluid (can be the corrosive fluid of high temperature) that circulates in pond 3, the high temperature fluid in exchange pond 3 and the cold fluid heat-shift in heat exchanger tube 2.
The bottom in exchange pond 3 is provided with groove 7, is provided for supporting the brace table 7 of heat exchanger tube 2 on groove 7, and brace table 7 is in order to support heat exchanger tube 2.
Wherein, heat exchanger tube 2 comprises the vertical heat exchanger tube that is communicated with cold fluid entrance 1 and extends to brace table 7 place height, the snakelike heat exchange tube that is communicated with vertical heat exchanger tube and cold fluid outlet 4; Vertically heat exchanger tube and snakelike heat exchange tube are one-body molded.Cold fluid enters vertical heat exchanger tube by cold fluid entrance 1, then flow to cold fluid outlet 4 from bottom to top through snakelike heat exchange tube, and this arranges and has improved heat transference efficiency.
As shown in Figure 2, between heat exchanger tube 2 and exchange pond 3, be provided for the heat exchanger tube framework 8 of support heat exchanger tube 2, heat exchanger tube framework 8 comprises cuboid framework and is vertically arranged on cuboid framework side and equally distributed reinforcement, upper edge and the lower edge of each reinforcement connection cuboid framework.
On heat exchanger tube framework 8, be symmetrical arranged two hangers, when being convenient to heat exchanger tube 2 and overhauling or maintain, heat exchanger tube 2 and heat exchanger tube framework 8 entirety shifted out.
As shown in Figure 3, the flow process that the power plant's heat that is used in power plant's heat energy heat exchange recover of the present embodiment shifts is: in the heat exchanger tube 2 of power plant's heat energy heat exchange recover, cold fluid absorbs the heat of high temperature fluid in exchange pond 3 (can be high temperature corrosion fluid), and by heat delivery to source pump, further heat is passed to production fluid by source pump, with heating production fluid, realize heat recovery and utilization.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. power plant's thermal energy recovery heat exchanger, comprise cold fluid entrance and cold fluid outlet and be communicated with described cold fluid entrance and the heat exchanger tube of described cold fluid outlet, it is characterized in that: the peripheral exchange pond with anticorrosion inwall that arranges of described heat exchanger tube, the fluid that used heat is contained for splendid attire in described exchange pond.
2. power plant as claimed in claim 1 thermal energy recovery heat exchanger, is characterized in that: bottom, described exchange pond is provided with groove, is provided for supporting the brace table of described heat exchanger tube on described groove.
3. power plant as claimed in claim 2 thermal energy recovery heat exchanger, is characterized in that: described heat exchanger tube comprises the vertical heat exchanger tube that is communicated with described cold fluid entrance and extends to described brace table place height, the snakelike heat exchange tube that is communicated with described vertical heat exchanger tube and the outlet of described cold fluid; Described vertical heat exchanger tube and described snakelike heat exchange tube are one-body molded.
4. power plant as claimed in claim 1 thermal energy recovery heat exchanger, it is characterized in that: the heat exchanger tube framework that is provided for heat exchanger tube described in support between described heat exchanger tube and described exchange pond, described heat exchanger tube framework comprises cuboid framework, in described cuboid framework, be oppositely arranged the first tube sheet and the second tube sheet, some stationary pipes for fixing described heat exchanger tube are set on described the first tube sheet and described the second tube sheet.
5. power plant as claimed in claim 4 thermal energy recovery heat exchanger, is characterized in that: the side of described cuboid framework arranges the reinforcement of some connections described cuboid framework upper edge and lower edge.
6. power plant as claimed in claim 5 thermal energy recovery heat exchanger, is characterized in that: described reinforcement vertically arranges.
7. power plant as claimed in claim 6 thermal energy recovery heat exchanger, is characterized in that: described reinforcement is uniformly distributed.
8. power plant as claimed in claim 4 thermal energy recovery heat exchanger, is characterized in that: on described heat exchanger tube framework, be symmetrical arranged two hangers.
9. the power plant's thermal energy recovery heat exchanger as described in claim 1-8 any one, is characterized in that: described exchange pond is the exchange pond with fiberglass inwall.
10. the power plant's thermal energy recovery heat exchanger as described in claim 1-8 any one, is characterized in that: described exchange pond is the exchange pond with cement inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320718265.6U CN203642737U (en) | 2013-11-14 | 2013-11-14 | Thermal energy recovery heat exchanger for power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320718265.6U CN203642737U (en) | 2013-11-14 | 2013-11-14 | Thermal energy recovery heat exchanger for power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203642737U true CN203642737U (en) | 2014-06-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320718265.6U Expired - Fee Related CN203642737U (en) | 2013-11-14 | 2013-11-14 | Thermal energy recovery heat exchanger for power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203642737U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807250A (en) * | 2015-05-07 | 2015-07-29 | 天津商业大学 | Visual heat exchanger |
| CN107356135A (en) * | 2017-07-26 | 2017-11-17 | 山东钢铁集团日照有限公司 | A kind of open pond gasifier |
-
2013
- 2013-11-14 CN CN201320718265.6U patent/CN203642737U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807250A (en) * | 2015-05-07 | 2015-07-29 | 天津商业大学 | Visual heat exchanger |
| CN107356135A (en) * | 2017-07-26 | 2017-11-17 | 山东钢铁集团日照有限公司 | A kind of open pond gasifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20191114 |