CN204304758U - A kind of high voltage direct current converter valve heat recovery system - Google Patents
A kind of high voltage direct current converter valve heat recovery system Download PDFInfo
- Publication number
- CN204304758U CN204304758U CN201420590493.4U CN201420590493U CN204304758U CN 204304758 U CN204304758 U CN 204304758U CN 201420590493 U CN201420590493 U CN 201420590493U CN 204304758 U CN204304758 U CN 204304758U
- Authority
- CN
- China
- Prior art keywords
- valve
- converter valve
- heat
- heating equipment
- heat exchanger
- 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.)
- Expired - Lifetime
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000001816 cooling Methods 0.000 claims abstract description 42
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims description 35
- 239000012530 fluid Substances 0.000 claims description 10
- 238000004378 air conditioning Methods 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 238000010612 desalination reaction Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 239000013535 sea water Substances 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 238000011161 development Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 9
- 238000004134 energy conservation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model relates to a kind of high voltage direct current converter valve heat recovery system, this system accesses a new heat recovery system in former Development of Full-closed Water-cooling System, under the prerequisite not affecting original system integrality, by using this system, recuperation of heat is carried out to the heat that DC converter valve produces and also suitably utilized.This heat recovery system can be used by adopting dividing wall type heat exchanger to reclaim heat in real time, the heat of recuperation of heat can as current conversion station life warm, as supplied domestic hot-water, can also as industrial heat, as recycled for offshore platform desalinization or after carrying out purified treatment to current conversion station closed cooling tower bleed water, reach the object of saving water resource.
Description
Technical field
The utility model relates to a kind of heat recovery system, specifically relates to a kind of high voltage direct current converter valve heat recovery system.
Background technology
Recuperation of heat is power-economizing method common in energy-saving field.By analyzing internal and international statistical magnitude, known direct-current transmission converter station negligible amounts, simultaneously the importance of current conversion station in electrical network causes it very high to reliability requirement, considerably beyond to energy-conservation requirement; Therefore, from current statistics, there is not the heat recovery equipment of converter valve both at home and abroad.
High voltage direct current transmission is regarded as one of mode that the long-distance transmissions energy is most economical in the world at present.For direct-current transmission converter valve, its thermal losses produces primarily of the power electronic equipment such as thyristor or IGBT, and in order to thermal losses being taken away the normal work maintaining converter valve, current put into operation converter valve all adopts closed water-cooling system.Make a general survey of domestic and international current conversion station, because engineering construction has clear and definite professional division, converter valve manufactures and designs is carried out by the producer of specialty, and the hot-cool environment of current conversion station is then carried out by air-conditioning producer, and the two contact is few.During winter, the most heat of converter valve is lost in outdoor environment by heat exchanger.And environmental protection and energy-saving and emission-reduction become more and more important, be necessary to carry out recovery to converter valve thermal losses and in addition cascade utilization, if winter is to current conversion station heat supply and provide domestic hot-water, offshore platform desalinization, closed cooling tower draining recycling etc.
A large amount of thermal lossess can be produced in DC converter valve running, adopt deionized water to carry out cooling down as coolant to power electric component at present.Converter valve leaving water temperature and ambient temperature difference less, be generally 30 ~ 40 DEG C.From the angle of thermal technology, the so little temperature difference causes that this heat is more difficult to be used; But because its heat is concentrated, stable, power is large, then suitably can be utilized from recuperation of heat angle, and be there is certain energy-conservation value.
Utility model content
For the deficiencies in the prior art, be of the present utility modelly to provide a kind of high voltage direct current converter valve heat recovery system, the utility model utilizes DC converter valve part of heat energy by water cooling system heat exchange, transfers heat to end heating equipment; For expanding the utilization of heat energy using the fire cistern of current conversion station as thermal storage equipment, it is whole current conversion station heat supply.
The purpose of this utility model adopts following technical proposals to realize:
The utility model provides a kind of high voltage direct current converter valve heat recovery system, and described system comprises the closed water-cooling system be made up of the outer cooling device E1 and converter valve main circulation pump P1 of converter valve; One end of the outer cooling device E1 of described converter valve is connected with the water outlet side of converter valve C1 by valve V1, and the other end is connected with converter valve main circulation pump P1; Described converter valve main circulation pump P1 is connected with the influent side of converter valve C1; Its improvements are, described closed water cooling system is connected with residual neat recovering system by valve.
Further, described residual neat recovering system comprises dividing wall type heat exchanger E2, current conversion station end heating equipment E3, with hot side water pump P 2 and other industrial end heating equipment E4; One end of the outer cooling device E1 of described converter valve is connected with dividing wall type heat exchanger E2 by valve V2; The negative electrode of described converter valve C1 is connected with dividing wall type heat exchanger E2 by valve V3; Described dividing wall type heat exchanger E2 is connected with by hot side water pump P 2 by valve V4; Describedly to be connected with current conversion station end heating equipment E3 by valve V5 by hot side water pump P 2; Describedly to be connected with other industrial end heating equipment E4 by valve V7 by hot side water pump P 2; Described current conversion station end heating equipment E3 is connected with dividing wall type heat exchanger E2 by valve V6; Other industrial end heating equipment E4 described are connected with dividing wall type heat exchanger E2 by valve V8.
Further, the fluid resistance of described dividing wall type heat exchanger E2 is arranged in the specified range ability of converter valve main circulation pump P1, regulates recuperation of heat power by regulating described residual neat recovering system fluid resistance; Described valve V1 is flow control valve.
Further, the composite cooler that the outer cooling device E1 of described converter valve comprises aerial cooler, closed cooling tower, refrigerating units, cold-storage unit, handpiece Water Chilling Units and is mutually combined to form, described current conversion station end heating equipment E3 comprises air-conditioning heating equipment and life heating equipment, and other industrial end heating equipment E4 described comprise evaporation-type seawater desalination equipment, heat-pump-type sewage evaporation treatment facility, absorption type air-conditioner equipment and absorption air-conditioning equipment.
Compared with the prior art, the beneficial effects of the utility model are:
1) the utility model adopts the access of converter valve downstream, and heat recovery efficiency is than high from upstream access.
2) the utility model accesses a new heat-exchange system in former closed water cooling system, and does not affect the integrality of original system.The dividing wall type heat exchanger E2 flow resistance of access is arranged within the scope of the rated head of main pump P1.Recuperation of heat power is regulated by regulating the residual neat recovering system fluid resistance of access.Because original system is that adjustment T1 enters valve coolant-temperature gage to balance converter valve, the water temperature therefore entering E2 dividing wall type heat exchanger is stable.
3) this utility model is widely used in the closed water-cooling system in high voltage direct current transmission, flexible DC power transmission, the heat of recuperation of heat may be used for the domestic water of current conversion station, also may be used for offshore platform to use as the thermal source of desalinization simultaneously, also may be used for enclosed tower and carry out the recovery of bleed water purified treatment, the water of recovery is used for enclosed tower supplementing water.
Accompanying drawing explanation
Fig. 1 is the high voltage direct current converter valve heat recovery system structure chart that the utility model provides; Wherein: the outer cooling device of E1-converter valve, P1-converter valve main circulation pump, C1-converter valve (pyrotoxin), T1-fluid enter temperature, E2-dividing wall type heat exchanger, E3-current conversion station end heating equipment, P2-hot side water pump, other industrial end heating equipments of E4-of converter valve;
Fig. 2 is the converter valve closed water cooling system structure chart of prior art.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
A large amount of thermal lossess can be produced in DC converter valve running, adopt deionized water to carry out cooling down as coolant to power electric component at present.Converter valve leaving water temperature and ambient temperature difference less, be generally 30 ~ 40 DEG C.From the angle of thermal technology, the so little temperature difference causes that this heat is more difficult to be used; But because its heat is concentrated, stable, power is large, then suitably can be utilized from recuperation of heat angle, and be there is certain energy-conservation value.
The main pyrotoxin of direct-current transmission converter valve is thyristor, damping resistance and saturable reactor, and the general Development of Full-closed Water-cooling System that adopts cools, and cooling approach is for being also finally transferred to heat environment from pyrotoxin derivation by heat exchanger.For this technical characterstic, the utility model provides a kind of high voltage direct current converter valve heat recovery system.
Conventional converter valve closed water cooling system is as Fig. 2, and this system is the major circulatory system of converter valve closed water cooling system.Environmentally temperature and flow carry out the outer cooling device E1 of control valve thus control the temperature T1 that fluid enters converter valve, the definite value of the inflow temperature that this temperature is required lower than converter valve.
The utility model provides a kind of high voltage direct current converter valve heat recovery system.The heat recovery system that access one is new in former Development of Full-closed Water-cooling System, under the prerequisite not affecting original system integrality, carries out recuperation of heat by using this system to the heat that DC converter valve produces and is also suitably utilized.This heat recovery system can be used by adopting dividing wall type heat exchanger to reclaim heat in real time, the heat of recuperation of heat can as current conversion station life warm, as supplied domestic hot-water, can also as industrial heat, as recycled for offshore platform desalinization or after carrying out purified treatment to current conversion station closed cooling tower bleed water.
The high voltage direct current converter valve heat recovery system structure chart that the utility model provides as shown in Figure 1, comprises the closed water cooling system be made up of the outer cooling device E1 and converter valve main circulation pump P1 of converter valve; One end of the outer cooling device E1 of described converter valve is connected with the water outlet side of converter valve C1 by valve V1, and the other end is connected with converter valve main circulation pump P1; Described converter valve main circulation pump P1 is connected with the influent side of converter valve C1; Closed water cooling system is connected with residual neat recovering system by valve.
Residual neat recovering system comprises dividing wall type heat exchanger E2, current conversion station end heating equipment E3, with hot side water pump P 2 and other industrial end heating equipment E4; One end of the outer cooling device E1 of described converter valve is connected with dividing wall type heat exchanger E2 by valve V2; The negative electrode of described converter valve C1 is connected with dividing wall type heat exchanger E2 by valve V3; Described dividing wall type heat exchanger E2 is connected with by hot side water pump P 2 by valve V4; Describedly to be connected with current conversion station end heating equipment E3 by valve V5 by hot side water pump P 2; Describedly to be connected with other industrial end heating equipment E4 by valve V7 by hot side water pump P 2; Described current conversion station end heating equipment E3 is connected with dividing wall type heat exchanger E2 by valve V6; Other industrial end heating equipment E4 described are connected with dividing wall type heat exchanger E2 by valve V8.
The composite cooler that the outer cooling device E1 of described converter valve comprises aerial cooler, closed cooling tower, refrigerating units, cold-storage unit, handpiece Water Chilling Units and is mutually combined to form, described current conversion station end heating equipment E3 comprises air-conditioning heating equipment and life heating equipment, and other industrial end heating equipment E4 described comprise evaporation-type seawater desalination equipment, heat-pump-type sewage evaporation treatment facility, absorption type air-conditioner equipment and absorption air-conditioning equipment.
The fluid resistance of dividing wall type heat exchanger E2 is arranged in the specified range ability of converter valve main circulation pump P1, regulates recuperation of heat power by regulating described residual neat recovering system fluid resistance; Described valve V1 is flow control valve, regulates converter valve flow to control the power of dividing wall type heat exchanger E2.
Environmentally temperature and flow control the outer cooling device E1 of converter valve, control the temperature T1 that fluid enters converter valve, make temperature T1 require the definite value of inflow temperature lower than converter valve.
The implementation method of the utility model also a kind of high voltage direct current converter valve heat recovery system, the method arranges flow control valve V1, regulates converter valve flow to control the power of dividing wall type heat exchanger E2; Comprise following situation:
(1) when not using residual neat recovering system, valve-off V2 and V3, turn-on flow rate adjuster valve V1;
(2), when using residual neat recovering system, comprising:
1) when accessing current conversion station end heating equipment E3 use residual neat recovering system, Open valve V2 and V3, adjustment flow control valve V1; Open with hot side water pump P 2, valve V5 and V6, by control valve V4, reach desirable use hot water temperature (40 ~ 100 DEG C);
2) when accessing other industrial end heating equipment E4, Open valve V2 and V3, adjustment flow control valve V1; Open with hot side water pump P 2, valve V7 and V8, by control valve V4, the thermal source that regulation and control are reclaimed; The thermal source reclaimed uses for the thermal source of offshore platform as desalinization, or carries out the recovery of bleed water purified treatment for enclosed tower.
The utility model adopts the access of converter valve water outlet side, high when heat recovery efficiency accesses than converter valve influent side; Make in former closed water cooling system, access the normal work that a new heat recovery system does not affect original system yet by the resistance of optimal design heat exchanger; This utility model is widely used in the closed water-cooling system in high voltage direct current transmission, flexible DC power transmission, the heat of recuperation of heat may be used for the domestic water of current conversion station, also may be used for offshore platform to use as the thermal source of desalinization, enclosed tower can also be used for and carry out the recovery of bleed water purified treatment, the water of recovery is used for enclosed tower supplementing water, to reach the object of saving water resource.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; although be described in detail the utility model with reference to above-described embodiment; those of ordinary skill in the field still can modify to embodiment of the present utility model or equivalent replacement; these do not depart from any amendment of the utility model spirit and scope or equivalent replacement, are all applying within the claims of the present utility model awaited the reply.
Claims (3)
1. a high voltage direct current converter valve heat recovery system, described system comprises the closed water-cooling system be made up of the outer cooling device E1 and converter valve main circulation pump P1 of converter valve; One end of the outer cooling device E1 of described converter valve is connected with the water outlet side of converter valve C1 by valve V1, and the other end is connected with converter valve main circulation pump P1; Described converter valve main circulation pump P1 is connected with the influent side of converter valve C1; It is characterized in that, described closed water cooling system is connected with residual neat recovering system by valve;
Described residual neat recovering system comprises dividing wall type heat exchanger E2, current conversion station end heating equipment E3, with hot side water pump P 2 and other industrial end heating equipment E4; One end of the outer cooling device E1 of described converter valve is connected with dividing wall type heat exchanger E2 by valve V2; The negative electrode of described converter valve C1 is connected with dividing wall type heat exchanger E2 by valve V3; Described dividing wall type heat exchanger E2 is connected with by hot side water pump P 2 by valve V4; Describedly to be connected with current conversion station end heating equipment E3 by valve V5 by hot side water pump P 2; Describedly to be connected with other industrial end heating equipment E4 by valve V7 by hot side water pump P 2; Described current conversion station end heating equipment E3 is connected with dividing wall type heat exchanger E2 by valve V6; Other industrial end heating equipment E4 are connected with dividing wall type heat exchanger E2 by valve V8.
2. high voltage direct current converter valve heat recovery system as claimed in claim 1, it is characterized in that, the fluid resistance of described dividing wall type heat exchanger E2 is arranged in the specified range ability of converter valve main circulation pump P1, regulates recuperation of heat power by regulating described residual neat recovering system fluid resistance; Described valve V1 is flow control valve.
3. high voltage direct current converter valve heat recovery system as claimed in claim 1, it is characterized in that, the composite cooler that the outer cooling device E1 of described converter valve comprises aerial cooler, closed cooling tower, refrigerating units, cold-storage unit, handpiece Water Chilling Units and is mutually combined to form, described current conversion station end heating equipment E3 comprises air-conditioning heating equipment and life heating equipment, and other industrial end heating equipment E4 described comprise evaporation-type seawater desalination equipment, heat-pump-type sewage evaporation treatment facility, absorption type air-conditioner equipment and absorption air-conditioning equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420590493.4U CN204304758U (en) | 2014-10-13 | 2014-10-13 | A kind of high voltage direct current converter valve heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420590493.4U CN204304758U (en) | 2014-10-13 | 2014-10-13 | A kind of high voltage direct current converter valve heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204304758U true CN204304758U (en) | 2015-04-29 |
Family
ID=53110265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420590493.4U Expired - Lifetime CN204304758U (en) | 2014-10-13 | 2014-10-13 | A kind of high voltage direct current converter valve heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204304758U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112218491A (en) * | 2020-09-28 | 2021-01-12 | 西安交通大学 | Energy-saving converter station internal system |
-
2014
- 2014-10-13 CN CN201420590493.4U patent/CN204304758U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112218491A (en) * | 2020-09-28 | 2021-01-12 | 西安交通大学 | Energy-saving converter station internal system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103582396A (en) | Outer cooling system with stored cold for direct current converter valve and operation method thereof | |
| CN102797661A (en) | Air compressor residual-heat utilization system and method | |
| CN103996498A (en) | Seawater cooling system for main transformer of offshore substation | |
| CN103808058B (en) | Band water as refrigerant preheater two-stage Equations of The Second Kind lithium bromide absorption type heat pump unit | |
| CN103595121B (en) | The comprehensive energy utilization method that a kind of data center combines with distributed energy | |
| CN105576943A (en) | High-voltage DC converter valve heat recycling system and realizing method thereof | |
| CN204304758U (en) | A kind of high voltage direct current converter valve heat recovery system | |
| JP2019100693A (en) | Movable type indoor temperature decreasing and cooling facility | |
| CN102735007B (en) | All-year cold load energy-saving support system for nuclear waste plant processes of nuclear power station | |
| CN204867784U (en) | Radiator welding equipment refrigeration cycle water system for transformer | |
| CN203910444U (en) | Seawater cooling system for main transformer of offshore transformer substation | |
| CN203940651U (en) | Superposition type air-cooled lithium-bromide absorption-type refrigerating machine | |
| CN204282438U (en) | A kind of glass industry water circulation system | |
| CN103607101B (en) | A kind of DC converter valve immersion thermoelectric cooling unit | |
| CN204026993U (en) | A kind of multifunctional heat pump boiling water device | |
| CN206389665U (en) | A kind of cooling system | |
| CN204594028U (en) | The energy-conservation feeding mechanism of technique chilled water | |
| CN104606907B (en) | Complete oily recovery of circulatory system | |
| CN204555420U (en) | The comprehensive gradient utilization system of steam power plant's used heat | |
| CN204268930U (en) | A kind of air cooling heat radiator being arranged vertically changeable single double-flow | |
| BG2047U1 (en) | Thermal power plant with absorption lithium bromide refrigerating machine operating as a heat pump | |
| CN203489523U (en) | Waste heat comprehensive utilization system of refinery process | |
| CN202188710U (en) | Circulating cooling processing system for high-voltage frequency converter | |
| CN203163342U (en) | Ground source heat pump system and ground source heat pump air conditioner | |
| CN104792092A (en) | Energy-saving supply device for technological chilled water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170612 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: China-EPRI Electric Power Engineering Co., Ltd. Patentee after: State Grid Corporation of China Co-patentee after: Electric Power Research Institute of State Grid Shandong Electric Power Company Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: State Grid Smart Grid Institute Patentee before: State Grid Corporation of China Co-patentee before: China-EPRI Electric Power Engineering Co., Ltd. Co-patentee before: Electric Power Research Institute of State Grid Shandong Electric Power Company |
|
| TR01 | Transfer of patent right |