CN112555957A - Waste heat recycling system of steam heating system - Google Patents
Waste heat recycling system of steam heating system Download PDFInfo
- Publication number
- CN112555957A CN112555957A CN202011414678.6A CN202011414678A CN112555957A CN 112555957 A CN112555957 A CN 112555957A CN 202011414678 A CN202011414678 A CN 202011414678A CN 112555957 A CN112555957 A CN 112555957A
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- Prior art keywords
- steam
- pipeline
- water
- waste heat
- recovery
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D1/00—Steam central heating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B3/00—Other methods of steam generation; Steam boilers not provided for in other groups of this subclass
- F22B3/04—Other methods of steam generation; Steam boilers not provided for in other groups of this subclass by drop in pressure of high-pressure hot water within pressure- reducing chambers, e.g. in accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1003—Arrangement or mounting of control or safety devices for steam heating systems
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- 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)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a waste heat recycling system of a steam heating system, and relates to the technical field of heating systems. The system comprises steam equipment, a steam-water separator, a recovery tank, a water pump and a sewage pool, wherein a primary steam exhaust pipeline is arranged on the steam equipment and is connected with the steam-water separator through the primary steam exhaust pipeline, and a secondary steam exhaust pipeline and a condensate water feeding pipeline are respectively arranged on the steam-water separator. This steam heating system waste heat recovery utilizes system, steam equipment exhaust steam is through catch water with the exhaust steam, condensate water both separately, wherein the condensate water gets into the recovery jar, in the recovery jar, the new secondary flash distillation vapour that produces of condensate water is deposited on jar upper portion, merge the second grade exhaust steam pipeline after the connecting tube discharges in, the condensate water then sends into waste heat recovery equipment by the water pump in, this system adopts closed device to retrieve the high temperature comdenstion water, both can retrieve more because of open energy and the water yield of retrieving the loss, can receive good environmental benefit again.
Description
Technical Field
The invention relates to the technical field of heating systems, in particular to a waste heat recycling system of a steam heating system.
Background
The steam heating system is a system for supplying heat in the form of steam, and is characterized by that in the urban central heating system the water is used as heating medium, and in the form of steam, the heat quantity is carried from heat source, and passed through heat supply network and delivered to user, and the specific weight of steam is small, so that it does not produce excessive static pressure in high-rise building, and the flow speed in the pipeline is greater than that of water, generally 25-40 m/s, and the heating system is easy to quickly start, and its heat-transfer efficiency in heat-exchange equipment is higher, but the heat energy and heat medium loss of steam in the course of transportation and use are more, and the water quantity required by heat source is not only large, but also its water quality requirement is higher than that of heat supply.
At present, the steam heating system in China has low heat energy efficiency which only accounts for about 30% -40%, and the low system efficiency is caused by a plurality of reasons, the steam heating system mainly has no scientific recycling of condensed water and exhaust steam generated at the tail end, in the aspect of recycling waste heat of the condensed water, a part of heating power enterprises recycle high-temperature condensed water by using an open water tank, a large amount of flash evaporation secondary steam and steam leakage of a steam trap are discharged in the atmosphere, so that not only is a large amount of heat lost, but also serious heat pollution is caused to the atmospheric environment, in the aspect of recycling the waste heat of the exhaust steam, in order to pursue environmental benefits, a white dragon phenomenon is eliminated by using a method of heat exchange of cooling circulating water or spray cooling, and greater waste is caused.
Disclosure of Invention
The invention provides a waste heat recycling system of a steam heating system, which has the advantages of optimizing energy, scientifically recycling condensed water and dead steam and reducing energy cost for the waste heat recycling system of the steam heating system, and solves the problems in the background art.
In order to realize the purposes of optimizing energy, scientifically recycling condensed water and exhaust steam and reducing energy cost of a waste heat recovery system of a steam heating system, the invention provides the following technical scheme: the utility model provides a steam heating system waste heat recovery utilizes system, includes steam equipment, catch water, recovery jar, water pump and effluent water sump, install one-level exhaust steam pipeline on the steam equipment, and be connected with catch water through one-level exhaust steam pipeline, it sends into the pipeline with the comdenstion water to install second grade exhaust steam pipeline on the catch water respectively, catch water sends into the pipeline through the comdenstion water and is connected with the recovery jar, install connecting tube, comdenstion water recovery pipeline and sewage pipes on the recovery jar in proper order, the recovery jar is connected with second grade exhaust steam pipeline through the connecting tube, the recovery jar is connected with the water pump through the comdenstion water recovery pipeline, the sewage pipes extends to in the effluent water sump.
As a preferable technical scheme of the invention, the steam equipment is provided with a steam pipeline and is connected into a steam heating system through the steam pipeline.
As a preferable technical scheme of the invention, a first flow regulating valve is arranged on the steam pipeline, and a second flow regulating valve is arranged on the primary exhaust steam pipeline.
As a preferred technical scheme of the invention, the secondary steam exhaust pipeline is provided with a third flow regulating valve and is connected into the steam exhaust waste heat recovery device.
As a preferred technical scheme of the invention, the condensed water feeding pipeline is sequentially provided with a control valve and a fourth flow regulating valve.
As a preferred technical scheme of the present invention, a fifth flow control valve is installed on the connecting pipeline, a sixth flow control valve is installed on the condensate recovery pipeline, the condensate recovery pipeline is connected to the condensate waste heat recovery device, and a seventh flow control valve is installed on the sewage discharge pipeline.
Compared with the prior art, the invention provides a waste heat recycling system of a steam heating system, which has the following beneficial effects:
1. this steam heating system waste heat recovery utilizes system, steam equipment exhaust steam is through catch water with the exhaust steam, condensate water both separately, wherein the condensate water gets into the recovery jar, in the recovery jar, the new secondary flash distillation vapour that produces of condensate water is deposited on jar upper portion, merge the second grade exhaust steam pipeline after the connecting tube discharges in, the condensate water then sends into waste heat recovery equipment by the water pump in, this system adopts closed device to retrieve the high temperature comdenstion water, both can retrieve more because of open energy and the water yield of retrieving the loss, can receive good environmental benefit again.
2. This steam heating system waste heat recovery utilizes system combines the condensate water that steam heating system produced in the trade, exhaust steam waste heat recovery utilizes technical current situation, from the reality of using, carries out energy optimization to steam heating system waste heat recovery system, and the recovery of condensation water, exhaust steam science reduces energy cost, realizes clean civilized production.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the recovery tank section installation of the present invention.
In the figure: 1. a steam consuming device; 2. a steam-water separator; 3. a recovery tank; 4. a water pump; 5. a sewage tank; 6. a primary exhaust steam pipeline; 7. a secondary exhaust steam pipeline; 8. feeding the condensed water into a pipeline; 9. connecting a pipeline; 10. a condensate recovery pipeline; 11. a blowdown line; 12. a steam line; 13. a first flow regulating valve; 14. a second flow regulating valve; 15. a third flow rate regulating valve; 16. a control valve; 17. a fourth flow regulating valve; 18. a fifth flow regulating valve; 19. a sixth flow regulating valve; 20. and a seventh flow regulating valve.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-2, the invention discloses a waste heat recycling system of a steam heating system, which comprises a steam device 1, a steam-water separator 2, a recovery tank 3, a water pump 4 and a sewage pool 5, wherein a primary steam exhaust pipeline 6 is arranged on the steam device 1 and connected with the steam-water separator 2 through the primary steam exhaust pipeline 6, a secondary steam exhaust pipeline 7 and a condensate water feeding pipeline 8 are respectively arranged on the steam-water separator 2, the steam-water separator 2 is connected with the recovery tank 3 through the condensate water feeding pipeline 8, a connecting pipeline 9, a condensate water recovery pipeline 10 and a sewage discharge pipeline 11 are sequentially arranged on the recovery tank 3, the recovery tank 3 is connected with the secondary steam exhaust pipeline 7 through the connecting pipeline 9, the recovery tank 3 is connected with the water pump 4 through the condensate water recovery pipeline 10, and the steam exhaust exhausted from the steam device 1 passes through the steam-water separator 2, The condensate water and the condensate water are separated, wherein the condensate water enters the recovery tank 3, in the recovery tank 3, secondary flash steam newly generated by the condensate water is stored at the upper part in the tank and is discharged through the connecting pipeline 9 and then is merged into the secondary exhaust steam pipeline 7, the condensate water is sent into the waste heat recovery equipment through the water pump 4, the system adopts a closed device to recover high-temperature condensate water, not only can more recover energy and water lost due to open recovery, but also can receive good environmental benefit, the sewage discharge pipeline 11 extends into the sewage tank 5, and the energy optimization is carried out on the waste heat recovery system of the steam heating system from the practical use by combining the technical current situation of condensate water and exhaust steam waste heat recovery and utilization generated by the steam heating system in the industry, thereby combining the scientific recovery utilization of the condensate water and the exhaust steam, reducing the energy cost and realizing clean civili.
Specifically, the steam consumption device 1 is provided with a steam pipeline 12, and is connected to a steam heating system through the steam pipeline 12.
In this embodiment, the steam consuming device 1 is connected to the steam heating system through the steam pipeline 12 to supply heat to the user.
Specifically, a first flow regulating valve 13 is installed on the steam pipeline 12, and a second flow regulating valve 14 is installed on the primary exhaust steam pipeline 6.
In this embodiment, the flow control valve is used to set the flow rate and maintain the flow rate constant.
Specifically, a third flow regulating valve 15 is installed on the secondary exhaust steam pipeline 7, and the secondary exhaust steam pipeline 7 is connected into exhaust steam waste heat recovery equipment.
In this embodiment, the third flow regulating valve 15 can automatically keep the system flow constant within a desired set value.
Specifically, the condensed water feeding pipe 8 is sequentially provided with a control valve 16 and a fourth flow regulating valve 17.
In the present embodiment, the control valve 16 and the fourth flow rate adjustment valve 17 both control the output of the condensed water.
Specifically, a fifth flow control valve 18 is installed on the connecting pipeline 9, a sixth flow control valve 19 is installed on the condensate recovery pipeline 10, the condensate recovery pipeline 10 is connected into the condensate waste heat recovery device, and a seventh flow control valve 20 is installed on the sewage discharge pipeline 11.
In the present embodiment, the fifth flow control valve 18, the sixth flow control valve 19, and the seventh flow control valve 20 automatically maintain the system flow within the desired set value.
The working principle and the using process of the invention are as follows: when the waste steam recovery device is used, waste steam discharged by the steam equipment 1 is separated from condensed water through the steam-water separator 2, wherein the condensed water enters the recovery tank 3, secondary flash steam newly generated by the condensed water is stored at the upper part in the recovery tank 3 and is discharged through the connecting pipeline 9 and then merged into the secondary waste steam pipeline 7, and the condensed water is sent into the waste heat recovery equipment through the water pump 4.
In summary, in the waste heat recycling system of the steam heating system, the waste steam discharged by the steam equipment 1 is separated from condensed water by the steam-water separator 2, wherein the condensed water enters the recovery tank 3, secondary flash steam newly generated by the condensed water is stored at the upper part in the recovery tank 3 and is merged into the secondary waste steam pipeline 7 after being discharged by the connecting pipeline 9, and the condensed water is sent into the waste heat recycling equipment by the water pump 4; the technical current situation of recycling the waste heat of condensed water and exhaust steam generated by a steam heating system in the industry is combined, and from the practical use, the energy of the waste heat recycling system of the steam heating system is optimized, the condensed water and the exhaust steam are recycled scientifically, the energy cost is reduced, and clean and civilized production is realized.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a steam heating system waste heat recovery utilizes system, includes steam equipment (1), catch water (2), retrieves jar (3), water pump (4) and effluent water sump (5), its characterized in that: install one-level exhaust steam pipeline (6) on steam equipment (1), and be connected with catch water (2) through one-level exhaust steam pipeline (6), it sends into pipeline (8) with the comdenstion water to install second grade exhaust steam pipeline (7) on catch water (2) respectively, catch water (2) send into pipeline (8) through the comdenstion water and are connected with recovery tank (3), install connecting tube (9), comdenstion water recovery pipeline (10) and sewage pipes (11) on recovery tank (3) in proper order, recovery tank (3) are connected with second grade exhaust steam pipeline (7) through connecting tube (9), recovery tank (3) are connected with water pump (4) through comdenstion water recovery pipeline (10), sewage pipes (11) extend to in effluent water sump (5).
2. The waste heat recycling system of the steam heating system according to claim 1, characterized in that: the steam equipment (1) is provided with a steam pipeline (12) and is connected into a steam heating system through the steam pipeline (12).
3. The waste heat recycling system of the steam heating system according to claim 2, characterized in that: and a first flow regulating valve (13) is installed on the steam pipeline (12), and a second flow regulating valve (14) is installed on the primary exhaust steam pipeline (6).
4. The waste heat recycling system of the steam heating system according to claim 1, characterized in that: and a third flow regulating valve (15) is installed on the secondary exhaust steam pipeline (7), and the secondary exhaust steam pipeline (7) is connected into exhaust steam waste heat recovery equipment.
5. The waste heat recycling system of the steam heating system according to claim 1, characterized in that: and a control valve (16) and a fourth flow regulating valve (17) are sequentially arranged on the condensed water feeding pipeline (8).
6. The waste heat recycling system of the steam heating system according to claim 1, characterized in that: install fifth flow control valve (18) on connecting tube (9), install sixth flow control valve (19) on condensate recovery pipeline (10), and during condensate recovery pipeline (10) inserted condensate waste heat recovery equipment, install seventh flow control valve (20) on sewage pipes (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011414678.6A CN112555957A (en) | 2020-12-07 | 2020-12-07 | Waste heat recycling system of steam heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011414678.6A CN112555957A (en) | 2020-12-07 | 2020-12-07 | Waste heat recycling system of steam heating system |
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| Publication Number | Publication Date |
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| CN112555957A true CN112555957A (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011414678.6A Pending CN112555957A (en) | 2020-12-07 | 2020-12-07 | Waste heat recycling system of steam heating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154509A (en) * | 2021-04-07 | 2021-07-23 | 神华神东煤炭集团有限责任公司 | System and system for dead steam recovery and warming wellbores |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4645125A (en) * | 1984-03-06 | 1987-02-24 | Tokyo Gas Company Limited | Heat transport method |
| CN101033839A (en) * | 2006-06-30 | 2007-09-12 | 李海令 | Heat recovery technology of petroleum products in production of atmospheric-vacuum and catalytic cracking unit |
| CN201028679Y (en) * | 2007-05-16 | 2008-02-27 | 河南省泰隆科技开发应用有限公司 | High-efficiency gas water flash evaporator |
| CN203836931U (en) * | 2014-03-19 | 2014-09-17 | 重庆瑞宝环保工程有限公司 | Centralized-packing closed type high temperature steam condensate water recovery system |
| CN207279601U (en) * | 2017-05-22 | 2018-04-27 | 重庆东洋锅炉有限公司 | A kind of high-temperature condensation water recovery system |
-
2020
- 2020-12-07 CN CN202011414678.6A patent/CN112555957A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4645125A (en) * | 1984-03-06 | 1987-02-24 | Tokyo Gas Company Limited | Heat transport method |
| CN101033839A (en) * | 2006-06-30 | 2007-09-12 | 李海令 | Heat recovery technology of petroleum products in production of atmospheric-vacuum and catalytic cracking unit |
| CN201028679Y (en) * | 2007-05-16 | 2008-02-27 | 河南省泰隆科技开发应用有限公司 | High-efficiency gas water flash evaporator |
| CN203836931U (en) * | 2014-03-19 | 2014-09-17 | 重庆瑞宝环保工程有限公司 | Centralized-packing closed type high temperature steam condensate water recovery system |
| CN207279601U (en) * | 2017-05-22 | 2018-04-27 | 重庆东洋锅炉有限公司 | A kind of high-temperature condensation water recovery system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154509A (en) * | 2021-04-07 | 2021-07-23 | 神华神东煤炭集团有限责任公司 | System and system for dead steam recovery and warming wellbores |
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Application publication date: 20210326 |
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