CN101251316A - Two stage gas-solid reaction heat-exchanging apparatus system - Google Patents
Two stage gas-solid reaction heat-exchanging apparatus system Download PDFInfo
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- CN101251316A CN101251316A CNA2007101712287A CN200710171228A CN101251316A CN 101251316 A CN101251316 A CN 101251316A CN A2007101712287 A CNA2007101712287 A CN A2007101712287A CN 200710171228 A CN200710171228 A CN 200710171228A CN 101251316 A CN101251316 A CN 101251316A
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Abstract
The invention provides a secondary gas-solid reaction heat transformer system, comprising a first cavity, a second cavity, a third cavity, a fourth cavity, a first air passage valve, a second air passage valve and a heat return valve, wherein, the first cavity and the second cavity as well as the third cavity and the fourth cavity are filled with reaction salt and the reaction gas, the first cavity is connected with one end of the first air passage valve, the other end of the first air passage valve is connected with the third cavity, a heat exchanging fluid exit of the third cavity is connected with one end of the heat return valve, the other end of the heat return valve is connected with a heat exchanging hot fluid entrance of the fourth cavity, a heat exchanging fluid entrance of the third cavity is connected with a heat exchanging fluid exit of the fourth cavity, the fourth cavity is connected with one end of the second air passage valve, the other end of the second air passage valve is connected with the second cavity. The secondary gas-solid reaction heat transformer system improves the temperature increasing performance of the system on the afterheat/low quality heat source.
Description
Technical field
What the present invention relates to is a kind of system of thermal machine technical field, specifically is a kind of second-stage gas-solid reaction heat transformer system.
Background technology
Along with people deepen the understanding of energy savings and protection environment and the development and utilization of new forms of energy; The thermode system begins to be paid close attention to as a kind of mode of effectively utilizing of waste heat/low-grade heat source; It can realize the temperature increase of thermal source, thereby makes it obtain to use widely and bigger value.
Find by prior art documents, " Structure andperformance of single effect solid/gas chemical heat pumps " (single-action gas-solid chemical heat pump structure and the performance) that Goetz V. etc. delivered on p.79-96 in " Heat Recovery Sys CHP " (heat recovery system and chemical heat pump) 1993 the 13rd (1) phases, the basic structure of single-stage gas-solid reaction heat-exchanging apparatus system is made of two chambers, system's intermittent work, two chambers carry out periodically synthetic and decomposition respectively.But the gas-solid reaction heat-exchanging apparatus system of single-stage the temperature increase that can realize limited, therefore, need the temperature increase effect of further raising system, to improve the economy of system to heat." the Development of doublestage heat pump:experimental and analytical surveys " that Suda S. etc. delivered on p.1092-1100 in " J Less-Common Met " (rare metal magazine) the 172nd phase in 1991 (development of double stage heat pump system: test and theoretical research), proposed a kind of structure of secondary heat-exchanging apparatus system in this article, can realize the temperature increase higher than single level system.But its deficiency is: when system when single level system changes level two into, system pressure is subjected to very big influence, it is infeasible or unreliable that system becomes, system also needs higher driving heat source temperature.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, proposed a kind of second-stage gas-solid reaction heat transformer system, make it utilize reversible gas-solid reaction working medium to improve waste heat/low-grade heat source temperature, realize the temperature increase effect bigger than single level system; Simultaneously, in the improved process of system, system pressure is unaffected, or influences lessly, and the economy of level two and feasibility are improved.
The present invention is achieved by the following technical solutions, the present invention includes: first chamber, second chamber, the 3rd chamber, the 4th chamber, the first gas circuit valve, the second gas circuit valve, the backheat valve, wherein: first chamber links to each other with the first gas circuit valve, one end, the first gas circuit valve other end links to each other with the 3rd chamber, the heat exchanging fluid outlet of the 3rd chamber links to each other with backheat valve one end, the backheat valve other end links to each other with the heat exchange hot fluid inlet of the 4th chamber, the heat exchanging fluid inlet of the 3rd chamber links to each other with the heat exchanging fluid outlet of the 4th chamber, the 4th chamber links to each other with the second gas circuit valve, one end, and the second gas circuit valve other end links to each other with second chamber.
The salt that all responds in described first chamber, second chamber, the 3rd chamber, the 4th chamber, and all be filled with reacting gas.
Described first chamber, second chamber, reacting salt wherein is identical.
Described first chamber, the 3rd chamber, the 4th chamber, reacting salt wherein has nothing in common with each other.
Described reacting salt is CaCl
2, MnCl
2, SrCl
2, BaCl
2, FeCl
2One of.
Described reacting gas is ammonia.
The course of work of the present invention is specific as follows:
When system does not have the output of heat of high temperature: open the first gas circuit valve, be communicated with first cryogenic chamber and the 3rd chamber, utilize waste heat/low-grade heat source to heat first chamber, reacting salt in first chamber decomposes, reacting salt in the 3rd chamber and reacting gas are synthetic, open the backheat valve, the 3rd chamber transmits heat to the 4th chamber, and the reacting salt in the 4th chamber decomposes.Meanwhile, open the second gas circuit valve, be communicated with second chamber and the 4th chamber, utilize environment cools second chamber; At this moment, reacting salt in second chamber and reacting gas are synthetic.Then, close the first gas circuit valve and the second gas circuit valve, close the backheat valve, utilize waste heat/low-grade heat source to heat second chamber, utilize environment cools first chamber.
When system's output heat of high temperature, when realizing temperature increase: close the backheat valve, open the first gas circuit valve, be communicated with first chamber and the 3rd chamber, utilize environment cools first chamber, utilize waste heat/low-grade heat source to heat the 3rd chamber, reacting salt in first chamber and reacting gas are synthetic, and the reacting salt in the 3rd chamber decomposes.Open the second gas circuit valve, be communicated with second chamber and the 4th chamber, utilize waste heat/low-grade heat source to heat second chamber.At this moment, the reacting salt in second chamber decomposes, and reacting salt in the 4th chamber and reacting gas are synthetic, realizes the output of heat of high temperature at the 4th chamber.After output finishes, close the first gas circuit valve and the second gas circuit valve, close the backheat valve, utilize waste heat/low-grade heat source to heat first chamber, utilize environment cools second chamber.
Compared with prior art, the present invention has following beneficial effect: the present invention is improved to level two with the single-stage gas-solid reaction heat-exchanging apparatus system under the condition that does not influence system pressure, thereby the feasibility of level two is improved; Utilize second-stage gas-solid reaction heat transformer system of the present invention can realize the temperature increase effect bigger, thereby the economy of heat-exchanging apparatus system is improved than single level system.Second-stage gas-solid reaction heat transformer system of the present invention can be realized the temperature increase more than 35 ℃.
Description of drawings
Fig. 1 is the structure chart of second-stage gas-solid reaction heat transformer system of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises: first chamber 1, second chamber 2, the 3rd chamber 3, the 4th chamber 4, the first gas circuit valve 5, the second gas circuit valve 6, backheat valve 7, wherein: first chamber 1 links to each other with the first gas circuit valve, 5 one ends, the first gas circuit valve, 5 other ends link to each other with the 3rd chamber 3, the heat exchanging fluid outlet of the 3rd chamber 3 links to each other with backheat valve 7 one ends, backheat valve 7 other ends link to each other with the heat exchanging fluid inlet of the 4th chamber 4, the heat exchanging fluid inlet of the 3rd chamber 3 links to each other with the heat exchanging fluid outlet of the 4th chamber 4, the 4th chamber 4 links to each other with the second gas circuit valve, 6 one ends, and the second gas circuit valve, 6 other ends link to each other with second chamber 2.
The salt that all responds in described first chamber 1, second chamber 2, the 3rd chamber 3, the 4th chamber 4, and all be filled with reacting gas,
Described reacting gas is an ammonia.
Described first chamber 1, second chamber 2, reacting salt wherein is CaCl
2
Described the 3rd chamber 3, the 4th chamber 4, reacting salt wherein is respectively MnCl
2And FeCl
2
The control of present embodiment when work valve is as shown in table 1, and the course of work is specific as follows:
When system does not have the output of heat of high temperature: open the first gas circuit valve 5, be communicated with first chamber 1 and the 3rd chamber 3, utilize the reacting salt CaCl in waste heat (140 ℃) heating first chamber 1, the first chamber 1
2Decompose the reacting salt MnCl in the 3rd chamber 3
2With reacting gas NH
3Synthetic, open backheat valve 7, the three chambers 3 and transmit heat, the reacting salt FeCl in the 4th chamber 4 to the 4th chamber 4
2Decompose.Meanwhile, open the second gas circuit valve 6, be communicated with second cryogenic chamber 2 and the 4th chamber 4, utilize environment (30 ℃) cooling second chamber 2; At this moment, the reacting salt CaCl in second chamber 2
2With reacting gas NH
3Synthetic.Then, close the first gas circuit valve 5 and the second gas circuit valve 6, close backheat valve 7, utilize waste heat (140 ℃) heating second chamber 2, utilize environment (30 ℃) cooling first chamber 1.
When system's output heat of high temperature, when realizing temperature increase: close backheat valve 7, open the first gas circuit valve 5, be communicated with first chamber 1 and the 3rd chamber 3, utilize environment (30 ℃) cooling first chamber 1, utilize waste heat (140 ℃) heating the 3rd chamber 3.At this moment, the reacting salt CaCl in first chamber 1
2With reacting gas NH
3Synthetic, the reacting salt MnCl in the 3rd chamber 3
2Decompose.Open the second gas circuit valve 6, be communicated with second chamber 2 and the 4th chamber 4, utilize waste heat (140 ℃) heating second chamber 2.At this moment, the reacting salt CaCl in second chamber 2
2Decompose reacting salt FeCl in the 4th chamber 4
2With reacting gas NH
3Synthetic, realize the output of heat of high temperature at the 4th chamber 4.After output finishes, close the first gas circuit valve 5 and the second gas circuit valve 6, close backheat valve 7, utilize waste heat (140 ℃) heating first chamber 1, utilize environment (30 ℃) cooling second chamber 2.
Table 1 is the valve control of second-stage gas-solid reaction heat transformer system
| System's operation | First chamber | Second chamber | The 3rd chamber | The 4th chamber | The first gas circuit valve | The second gas circuit valve | The |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
| System does not have the output of heat of high temperature | The waste heat heating | Environment cools | Backheat | Backheat | on | on | on |
| Environment cools | The waste heat heating | off | off | off | |||
| System's output heat of high temperature | Environment cools | The waste heat heating | The waste heat heating | High temperature output | on | on | off |
| The waste heat heating | Environment cools | off | off | off |
Compare with single level system, the second-stage gas-solid reaction heat transformer system of present embodiment is under the condition that waste heat (140 ℃) drives, realize the output of high temperature (180 ℃) heat, one-of-a-kind system can only realize 160 ℃ heat output, so level two has realized higher temperature increase; Be that system pressure is not affected in the process of second-stage gas-solid reaction heat transformer system improving single level system simultaneously.
As shown in table 2, be the temperature increase effect of other embodiment and acquisition thereof, among each embodiment, the reacting salt of various combination arranged in first chamber 1, second chamber 2, the 3rd chamber 3, the 4th chamber 4, under different waste heat supply temperatures and environment temperature, obtain corresponding temperature increase respectively.
The temperature increase effect of other embodiment of table 2 and acquisition thereof
| Embodiment | Reacting salt | Waste heat supply temperature | Environment temperature | Temperature increase | ||
| First chamber, second chamber | The 3rd chamber | The | ||||
| Embodiment | ||||||
| 2 | BaCl 2 | SrCl 2 | MnCl 2 | 150℃ | 30℃ | 60 |
| Embodiment | ||||||
| 3 | BaCl 2 | CaCl 2 | MnCl 2 | 140℃ | 30℃ | 55 |
| Embodiment | ||||||
| 4 | SrCl 2 | MnCl 2 | FeCl 2 | 150℃ | 30℃ | 35℃ |
Claims (6)
1, a kind of second-stage gas-solid reaction heat transformer system, comprise: first chamber, second chamber, the 3rd chamber, the 4th chamber, the first gas circuit valve, the second gas circuit valve, the backheat valve, it is characterized in that, first chamber links to each other with the first gas circuit valve, one end, the first gas circuit valve other end links to each other with the 3rd chamber, the heat exchanging fluid outlet of the 3rd chamber links to each other with backheat valve one end, the backheat valve other end links to each other with the heat exchange hot fluid inlet of the 4th chamber, the heat exchanging fluid inlet of the 3rd chamber links to each other with the heat exchanging fluid outlet of the 4th chamber, the 4th chamber links to each other with the second gas circuit valve, one end, and the second gas circuit valve other end links to each other with second chamber.
2, second-stage gas-solid reaction heat transformer system according to claim 1 is characterized in that, all loads reacting salt in first chamber, second chamber, the 3rd chamber, the 4th chamber, and all is filled with reacting gas.
3, second-stage gas-solid reaction heat transformer system according to claim 1 is characterized in that, described first chamber, second chamber, and reacting salt wherein is identical.
4,, it is characterized in that described reacting salt is chloride according to claim 2 or 3 described second-stage gas-solid reaction heat transformer systems.
5, second-stage gas-solid reaction heat transformer system according to claim 4 is characterized in that, described chloride is CaCl
2, MnCl
2, SrCl
2, BaCl
2, FeCl
2One of.
6, second-stage gas-solid reaction heat transformer system according to claim 1 is characterized in that, described reacting gas is an ammonia.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101712287A CN101251316A (en) | 2007-11-29 | 2007-11-29 | Two stage gas-solid reaction heat-exchanging apparatus system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101712287A CN101251316A (en) | 2007-11-29 | 2007-11-29 | Two stage gas-solid reaction heat-exchanging apparatus system |
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| Publication Number | Publication Date |
|---|---|
| CN101251316A true CN101251316A (en) | 2008-08-27 |
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ID=39954835
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101712287A Pending CN101251316A (en) | 2007-11-29 | 2007-11-29 | Two stage gas-solid reaction heat-exchanging apparatus system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101464071B (en) * | 2009-01-08 | 2010-06-09 | 上海交通大学 | Second-stage gas-solid reaction heat transformer system without fluid switch valve |
| CN101818967A (en) * | 2010-05-20 | 2010-09-01 | 上海交通大学 | Composite energy storage and supply device via thermochemical temperature swing adsorption combined cold-heat supply |
-
2007
- 2007-11-29 CN CNA2007101712287A patent/CN101251316A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101464071B (en) * | 2009-01-08 | 2010-06-09 | 上海交通大学 | Second-stage gas-solid reaction heat transformer system without fluid switch valve |
| CN101818967A (en) * | 2010-05-20 | 2010-09-01 | 上海交通大学 | Composite energy storage and supply device via thermochemical temperature swing adsorption combined cold-heat supply |
| CN101818967B (en) * | 2010-05-20 | 2012-08-29 | 上海交通大学 | Composite energy storage and supply device via thermochemical temperature swing adsorption combined cold-heat supply |
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