CN216346214U - Circulating water waste heat recovery utilizes system of thermal power plant - Google Patents
Circulating water waste heat recovery utilizes system of thermal power plant Download PDFInfo
- Publication number
- CN216346214U CN216346214U CN202122577551.2U CN202122577551U CN216346214U CN 216346214 U CN216346214 U CN 216346214U CN 202122577551 U CN202122577551 U CN 202122577551U CN 216346214 U CN216346214 U CN 216346214U
- Authority
- CN
- China
- Prior art keywords
- low
- heat pump
- pipe
- power plant
- heat recovery
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model discloses a system for recycling the waste heat of circulating water of a thermal power plant, which comprises a condensation unit and a heat regeneration unit, wherein the condensation unit is connected with the heat regeneration unit; the condensation unit comprises a steam turbine, a condenser and a condensate pump, wherein the steam turbine is connected with the condenser, and the condenser is connected with the condensate pump; the heat recovery unit comprises a low-pressure heater, an absorption heat pump, a low-pressure water inlet pipe and a heat pump water inlet pipe, wherein the low-pressure heater is connected with the absorption heat pump in parallel and is respectively connected with the condensate pump through the low-pressure water inlet pipe and the heat pump water inlet pipe. The low-pressure heater and the absorption heat pump are connected in parallel, low-temperature waste heat heating condensed water of circulating cooling water of the power plant is recovered, conversion between the heat pump and the low-pressure heater is adjusted through control of the valve, and the waste heat recovery utilization rate of circulating water of the thermal power plant is greatly improved.
Description
Technical Field
The utility model relates to the technical field of thermal power generation, in particular to a circulating water waste heat recycling system of a thermal power plant.
Background
At present, the heat pump technology is mainly used for recycling the waste heat of the circulating water of the power plant, and most heat pump systems supply the waste heat of the circulating cooling water to heat users for use. Although the heat pump is widely used for heating users by recycling the waste heat of the circulating water in the power plant, the heat pump still has some considerable problems, due to the limitation of seasons, the scheme can only be used in the heating season, in the non-heating season, the system stops running, and the waste heat of the circulating water is still discharged into the atmosphere, so that a great amount of energy loss is caused; in the heating season, the load for heating the user is not necessary, and the load is adjusted according to the requirement of the user, so that the complexity of the system is greatly increased, and the investment cost is increased; when the user demand is low, the excessive low-grade heat source is still discharged into the air, which causes energy waste. The utility model constructs a system for heating condensed water by connecting an absorption heat pump and a low-pressure heater in parallel according to the principle of a thermal power plant and the principle of a heat pump; when the heat pump can meet the heating condition, the heat pump is used for heating, and when the heat pump cannot meet the heating condition, the low-pressure heater is switched back for heating; the purpose is to improve the heat utilization rate of a power plant and improve the waste heat utilization of circulating cooling water, thereby providing a system for heating condensate by recycling the circulating water waste heat of a thermal power plant.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
The present invention has been made in view of the problems occurring in the prior art.
Therefore, an object of the present invention is to provide a system for recycling waste heat of circulating water of a thermal power plant, wherein an absorption heat pump is connected in parallel to a primary low-pressure heater of a regenerative system of the thermal power plant, so as to recycle low-temperature waste heat heating condensed water of circulating cooling water of the thermal power plant, and the conversion between the heat pump and the low-pressure heater is adjusted by controlling a valve, so as to greatly improve the waste heat utilization rate of the circulating water of the thermal power plant.
In order to solve the technical problems, the utility model provides the following technical scheme: a system for recycling waste heat of circulating water of a thermal power plant comprises a condensation unit, a heat pump and a heat pump, wherein the condensation unit comprises a steam turbine, a condenser and a condensate pump; the steam turbine is connected with a condenser, and the condenser is connected with a condensate pump; the heat regeneration unit comprises a low-pressure heater, an absorption heat pump, a low-pressure water inlet pipe and a heat pump water inlet pipe; the low-pressure heater is connected with the absorption heat pump in parallel and is respectively connected with the condensate pump through a low-pressure water inlet pipe and a heat pump water inlet pipe.
As an optimal scheme of the system for recycling the waste heat of the circulating water of the thermal power plant, the system comprises the following steps: the heat recovery unit also comprises a low-pressure water outlet pipe and a heat pump water outlet pipe; the low-pressure heater and the absorption heat pump are respectively connected with the secondary low-pressure heater through the low-pressure water outlet pipe and the heat pump water outlet pipe.
As an optimal scheme of the system for recycling the waste heat of the circulating water of the thermal power plant, the system comprises the following steps: the heat recovery unit also comprises a low pressure water discharge pipe and a heat pump driving steam outlet pipe; the low-pressure heater and the absorption heat pump are respectively connected with the condenser through a low-pressure drain pipe and a heat pump driving steam outlet pipe.
As an optimal scheme of the system for recycling the waste heat of the circulating water of the thermal power plant, the system comprises the following steps: the heat recovery unit also comprises a low-temperature heat source water inlet pipe; the absorption heat pump is connected with a cooling water outlet of the condenser through a low-temperature heat source water inlet pipe.
As an optimal scheme of the system for recycling the waste heat of the circulating water of the thermal power plant, the system comprises the following steps: the heat recovery unit also comprises a low-temperature heat source water outlet pipe; the absorption heat pump is connected with a cooling water inlet of the condenser through a low-temperature heat source water outlet pipe.
As an optimal scheme of the system for recycling the waste heat of the circulating water of the thermal power plant, the system comprises the following steps: the heat recovery unit further comprises a first steam extraction pipe, and the steam turbine is connected with the low-pressure heater through the first steam extraction pipe.
As an optimal scheme of the system for recycling the waste heat of the circulating water of the thermal power plant, the system comprises the following steps: the heat recovery unit further comprises a second steam extraction pipe, and the steam turbine is connected with the absorption heat pump through the second steam extraction pipe.
As an optimal scheme of the system for recycling the waste heat of the circulating water of the thermal power plant, the system comprises the following steps: the heat recovery unit further comprises a valve; and valves are arranged on the low-pressure water inlet pipe, the heat pump water inlet pipe, the low-pressure water outlet pipe, the heat pump water outlet pipe, the low-pressure drain pipe, the heat pump driving steam water outlet pipe, the low-temperature heat source water inlet pipe, the low-temperature heat source water outlet pipe, the first steam extraction pipe and the second steam extraction pipe.
As an optimal scheme of the system for recycling the waste heat of the circulating water of the thermal power plant, the system comprises the following steps: and the first steam extraction pipe and the second steam extraction pipe are connected in parallel and are connected to the same steam extraction source of the steam turbine.
The utility model has the beneficial effects that: according to the utility model, the low-pressure heater is connected in parallel with the absorption heat pump, so that a low-grade heat source of circulating water of a power plant is recovered, the air extraction quantity of the steam turbine is reduced, the working efficiency of the steam turbine is improved, and the cost is saved; in addition, the mode of heating the condensed water is switched through valve adjustment according to the unit conditions, different heating modes are selected under different conditions, the heat efficiency of the regenerative system is further improved, the flexibility of the regenerative system for heating the condensed water is improved, and the system is more stable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic diagram of the overall structure of the system for recycling the waste heat of the circulating water of the thermal power plant.
Fig. 2 is a schematic structural diagram of an absorption heat pump heating condensate system.
FIG. 3 is a schematic diagram of a low pressure heater heating condensate system.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1, a first embodiment of the present invention provides a system for recycling waste heat of circulating water of a thermal power plant, including a condensing unit 100 and a regenerative unit 200; wherein the condensing unit 100 comprises a steam turbine 101, a condenser 102 and a condensate pump 103; an air inlet of a condenser 102 connected with an air outlet of the steam turbine 101, a cooling water outlet of the condenser 102 is connected with a cooling water inlet, a cooling water inlet of the condenser 102 is connected with a cooling tower water outlet, and a condensed water outlet of the condenser 102 is connected with a condensed water pump 103.
Specifically, the heat recovery unit 200 includes a low-pressure heater 201, an absorption heat pump 202, a low-pressure water inlet pipe 203, a heat pump water inlet pipe 204, a low-pressure water outlet pipe 205, a heat pump water outlet pipe 206, a low-pressure water outlet pipe 207, a heat pump driving steam water outlet pipe 208, a low-temperature heat source water inlet pipe 209, a low-temperature heat source water outlet pipe 210, a first steam extraction pipe 211, a second steam extraction pipe 212, and a valve 213. Wherein the low-pressure heater 201 is connected with the absorption heat pump 202 in parallel, and the condensate pump 103 is connected with a condensate inlet of the low-pressure heater 201 through a low water feeding pipe 203; the condensate pump 103 is also connected to the condensate inlet connected to the absorption heat pump 202 via a heat pump inlet pipe 204.
Furthermore, the low-pressure heater 201 and the absorption heat pump 202 are respectively connected with a condensed water inlet of the secondary low-pressure heater through a low-pressure water outlet pipe 205 and a heat pump water outlet pipe 206; the extraction steam of the steam turbine 101 is connected with the extraction opening of the low-pressure heater 201 through a first extraction pipe 211, and the drain of the low-pressure heater 201 is connected with the condenser 102 through a low-pressure drain pipe 207; the steam turbine 101 extracts steam and is connected with a driving steam port of the absorption heat pump 202 through a second steam extraction pipe 212, and a driving steam water outlet of the absorption heat pump 202 is connected with the condenser 102 through a heat pump driving steam water outlet pipe 208; a low-temperature heat source water inlet of the absorption heat pump 202 is connected with a cooling water outlet of the condenser 102 through a low-temperature heat source water inlet pipe 209, and a low-temperature heat source water outlet of the absorption heat pump 202 is connected with a cooling water inlet of the condenser 102 through a low-temperature heat source water outlet pipe 210. Wherein, the driving steam of the absorption heat pump 202 and the extracted steam of the low-pressure heater 201 adopt the same steam source, the pipelines of the two are connected in parallel, and the steam flow is controlled and selected by a valve 213; the driving steam condensate of the absorption heat pump 202 is connected with the low-pressure heater 201 in parallel, is introduced into the condenser 102, and is controlled to selectively flow through a valve 213.
When the system is used, exhaust gas of the steam turbine 101 is cooled through the condenser 102, and then enters a parallel system of the low-pressure heater 201 and the absorption heat pump 202 through the condensate pump 103, according to the unit condition, when the absorption heat pump 202 meets the requirement of heating condensate water, the pipeline valve 213 connected with the low-pressure heater 201 is closed, the condensate water from the condenser 102 enters the condensate water inlet end of the absorption heat pump 202 through the condensate pump 103, the waste heat of circulating cooling water is recovered by using the absorption heat pump 202, and the condensate water is heated to 60 ℃ by using the steam extracted by the steam turbine 101 as driving steam and then enters the next-stage low-pressure heater for continuous heating; when the load of the unit changes so that the absorption heat pump 202 cannot meet the requirement of heating the condensed water, the pipeline valve 213 connected with the absorption heat pump 202 is closed, the pipeline valve 213 connected with the low-pressure heater 201 is opened, and the condensed water is heated by the low-pressure heater 201.
Under the condition that the original structure of a regenerative system is not changed, the low-pressure heater 201 is connected with the absorption heat pump 202 in parallel, when the absorption heat pump 202 can meet the heating requirement, the absorption heat pump 202 is used for heating condensed water, and when the absorption heat pump 202 cannot meet the heating requirement, the condensed water is switched back to the original low-pressure heater 201 for heating, and the adjustment and the conversion are carried out according to the load of a power plant; on one hand, the waste heat of circulating cooling water of the power plant can be recovered, on the other hand, the absorption heat pump 202 and the low-pressure heater 201 can be converted according to conditions, the normal operation of the thermal power plant is not affected, the efficiency of the power plant can be improved, and the effects of energy conservation and emission reduction are achieved.
Example 2
Referring to fig. 2 and fig. 3, a second embodiment of the present invention is based on the previous embodiment, specifically, when the absorption heat pump 202 meets the requirement of heating condensed water under the current conditions, the valves 213 on the heat pump water inlet pipe 204, the heat pump water outlet pipe 206, the heat pump driving steam water outlet pipe 208, the low temperature heat source water inlet pipe 209, the low temperature heat source water outlet pipe 210, and the second steam extraction pipe 212 are opened, and the valves 213 on the low pressure water inlet pipe 203, the low pressure water outlet pipe 205, the low pressure water trap 207, and the first steam extraction pipe 211 are closed; condensed water at the outlet of the condensed water pump 103 is introduced into the condensed water inlet side of the absorption heat pump 202, part of circulating cooling water at the outlet of the condenser 102 enters the low-grade heat source side of the absorption heat pump 202 through the low-temperature heat source water inlet pipe 209 to provide heat, and then is introduced into the condenser 102 through the low-temperature heat source water outlet pipe 210 to cool the exhaust steam; the steam turbine 101 extracts air and enters the absorption heat pump 202 through the second steam extraction pipe 212 to drive the heat source side to provide a high-grade heat source, and then steam condensate flows into a gas condensing device of the condenser 102 through the heat pump driving steam outlet pipe 208. The absorption heat pump 202 heats the condensed water at 30 ℃ to 60 ℃, and then the superheated pump sends the condensed water to the next stage of low-pressure heater for continuous heating through the water outlet pipe 206.
When the unit conditions cannot meet the requirement of the absorption heat pump 202 on heating the condensed water, the heat pump water inlet pipe 204, the heat pump water outlet pipe 206, the heat pump driving steam water outlet pipe 208, the low-temperature heat source water inlet pipe 209, the low-temperature heat source water outlet pipe 210 and the valve 213 on the second steam extraction pipe 212 are closed, the low water inlet pipe 203, the low water inlet pipe 205, the low water drainage pipe 207 and the valve 213 on the first steam extraction pipe 211 are opened, the condensed water at the outlet of the condensed water pump 103 is introduced into the water inlet side of the low-pressure heater 201, the steam turbine 102 extracts air and is introduced into the steam extraction side of the low-pressure heater 201 through the first steam extraction pipe 211 to exchange heat with the condensed water, the condensed water is heated to 60 ℃ and then is conveyed to the next-stage low-pressure heater for continuous heating, and the steam after heat exchange drains water and flows into the condensing device of the steam condenser 102 through the low water outlet pipe 205.
In practical application, taking a 350MW unit as an example, in the process of heating the condensed water by the absorption heat pump 202, the amount of the circulating cooling water used by the absorption heat pump 202 system is 892.4t/h, the part of the cooling water is not cooled by the cooling tower, but the absorption heat pump 202 heats the condensed water, and the residual heat of the circulating water which can be recycled is 8294.4 kJ/s; the reduced steam extraction of the steam turbine is 10.6t/h, the work capacity of the steam turbine is increased by 387.65kW, and the work efficiency of the steam turbine 101 is greatly improved.
According to the utility model, the low-grade heat source of the circulating water of the power plant is recovered by using the mode that the low-pressure heater 201 is connected in parallel with the absorption heat pump 201, so that the air extraction quantity of the steam turbine 101 is reduced, the working efficiency of the steam turbine 101 is improved, and the cost is saved; in addition, according to the unit conditions, the mode of heating the condensed water is adjusted and switched through the valve 213, and different heating modes are selected under different conditions, so that the heat efficiency of the regenerative system is further improved, the flexibility of the regenerative system for heating the condensed water is improved, and the system is more stable; the utilization of the waste heat of the circulating cooling water of the power plant to the unit is realized, the cost is saved, the waste heat utilization rate of the circulating water of the thermal power plant is greatly improved, and the circulating cooling water waste heat recovery system has good economic and social benefits and is suitable for popularization and use
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the utility model, or those unrelated to enabling the utility model).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a thermal power plant's circulating water waste heat recovery utilizes system which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the condensation unit (100) comprises a steam turbine (101), a condenser (102) and a condensate pump (103); the steam turbine (101) is connected with a condenser (102), and the condenser (102) is connected with a condensate pump (103); and the number of the first and second groups,
the heat recovery unit (200) comprises a low-pressure heater (201), an absorption heat pump (202), a low water feeding pipe (203) and a heat pump water inlet pipe (204); the low-pressure heater (201) is connected with the absorption heat pump (202) in parallel and is respectively connected with the condensate pump (103) through a low-pressure water inlet pipe (203) and a heat pump water inlet pipe (204).
2. The circulating water waste heat recovery and utilization system of a thermal power plant as claimed in claim 1, characterized in that: the heat recovery unit (200) further comprises a low-pressure water outlet pipe (205) and a heat pump water outlet pipe (206); the low-pressure heater (201) and the absorption heat pump (202) are respectively connected with the secondary low-pressure heater through a low water outlet pipe (205) and a heat pump water outlet pipe (206).
3. The circulating water waste heat recovery and utilization system of a thermal power plant as claimed in claim 2, characterized in that: the heat recovery unit (200) also comprises a low pressure drain pipe (207) and a heat pump driving steam outlet pipe (208); the low-pressure heater (201) and the absorption heat pump (202) are respectively connected with the condenser (102) through a low-pressure drainage pipe (207) and a heat pump driving steam outlet pipe (208).
4. The circulating water waste heat recovery and utilization system of a thermal power plant as claimed in claim 3, characterized in that: the heat recovery unit (200) also comprises a low-temperature heat source water inlet pipe (209); the absorption heat pump (202) is connected with a cooling water outlet of the condenser (102) through a low-temperature heat source water inlet pipe (209).
5. The circulating water waste heat recovery and utilization system of a thermal power plant as claimed in claim 4, characterized in that: the heat recovery unit (200) also comprises a low-temperature heat source water outlet pipe (210); the absorption heat pump (202) is connected with a cooling water inlet of the condenser (102) through a low-temperature heat source water outlet pipe (210).
6. The thermal power plant circulating water waste heat recovery and utilization system as claimed in claim 1 or 5, characterized in that: the heat recovery unit (200) further comprises a first steam extraction pipe (211), and the steam turbine (101) is connected with the low-pressure heater (201) through the first steam extraction pipe (211).
7. The circulating water waste heat recovery and utilization system of a thermal power plant as claimed in claim 6, characterized in that: the heat recovery unit (200) further comprises a second steam extraction pipe (212), and the steam turbine (101) is connected with the absorption heat pump (202) through the second steam extraction pipe (212).
8. The circulating water waste heat recovery and utilization system of a thermal power plant as claimed in claim 7, characterized in that: the heat recovery unit (200) further comprises a valve (213); and valves (213) are arranged on the low water inlet pipe (203), the heat pump water inlet pipe (204), the low water outlet pipe (205), the heat pump water outlet pipe (206), the low water outlet drain pipe (207), the heat pump driving steam water outlet pipe (208), the low temperature heat source water inlet pipe (209), the low temperature heat source water outlet pipe (210), the first steam extraction pipe (211) and the second steam extraction pipe (212).
9. The circulating water waste heat recovery and utilization system of a thermal power plant as claimed in claim 8, characterized in that: the first extraction pipe (211) and the second extraction pipe (212) are connected in parallel and are connected to the same extraction source of the steam turbine (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122577551.2U CN216346214U (en) | 2021-10-26 | 2021-10-26 | Circulating water waste heat recovery utilizes system of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122577551.2U CN216346214U (en) | 2021-10-26 | 2021-10-26 | Circulating water waste heat recovery utilizes system of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216346214U true CN216346214U (en) | 2022-04-19 |
Family
ID=81181027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122577551.2U Active CN216346214U (en) | 2021-10-26 | 2021-10-26 | Circulating water waste heat recovery utilizes system of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216346214U (en) |
-
2021
- 2021-10-26 CN CN202122577551.2U patent/CN216346214U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100507375C (en) | Large temperature-difference central heating system | |
| CN109579108B (en) | High-backpressure coupling large-temperature-difference heating system for air cooling unit and operation method | |
| CN201181044Y (en) | Large-temperature difference central heating unit | |
| CN105546618B (en) | Cascade utilization heat supply system and method for cold end waste heat | |
| CN111577410A (en) | Gas turbine inlet air temperature control device and gas turbine inlet air temperature control method | |
| CN101776399A (en) | Waste heat boiler for sintering circular cooler and heat-electricity combined supply system of waste heat boiler | |
| CN210511852U (en) | High-backpressure coupling large-temperature-difference heat supply system for indirect air cooling unit | |
| CN202023600U (en) | CHP (combined heat and power) heat supply system for efficiently recovering exhaust steam waste heat of power station steam turbine | |
| CN117287374A (en) | Adiabatic compressed air energy storage system of coupling spotlight heat accumulation-organic Rankine cycle | |
| CN216346214U (en) | Circulating water waste heat recovery utilizes system of thermal power plant | |
| CN201574791U (en) | Heat pump combined circulating system of small steam turbine | |
| CN110541737A (en) | medium-low temperature waste heat power generation system utilizing LNG cold energy and working method thereof | |
| CN113464227B (en) | Combined heat and power control method and combined heat and power system | |
| CN113899006B (en) | Heating system for driving heat pump to recover circulating water waste heat by utilizing low-pressure heater and drainage water | |
| CN214660401U (en) | Flexible power station based on combination of supercritical carbon dioxide power cycle and seawater desalination | |
| CN214170638U (en) | Gas turbine inlet temperature control device | |
| CN212746961U (en) | Circulating water heat energy recycling device for power plant | |
| CN212657909U (en) | Heat pump waste heat recovery unit system | |
| CN209840253U (en) | Heat pump system for power plant waste heat cold and hot coupling utilization | |
| CN112855287A (en) | Low-pressure-increasing operation system and method for steam extraction temporary complementary coupling low-pressure-saving under cylinder cutting working condition | |
| CN112283697A (en) | Direct air cooling unit cold end exhaust steam waste heat utilization system combined with absorption heat pump | |
| CN202250270U (en) | Steam turbine condensing system | |
| CN213746953U (en) | Waste heat recovery system of coupling condenser of turbine thermodynamic system | |
| CN215595669U (en) | Combined heat and power system | |
| CN219932274U (en) | Energy supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |