CN113188340A - Intelligent magnetic cooling type condenser - Google Patents
Intelligent magnetic cooling type condenser Download PDFInfo
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- CN113188340A CN113188340A CN202110654582.5A CN202110654582A CN113188340A CN 113188340 A CN113188340 A CN 113188340A CN 202110654582 A CN202110654582 A CN 202110654582A CN 113188340 A CN113188340 A CN 113188340A
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- 238000001816 cooling Methods 0.000 title claims abstract description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000005057 refrigeration Methods 0.000 claims abstract description 12
- 239000011347 resin Substances 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims abstract description 5
- 230000000712 assembly Effects 0.000 claims description 14
- 238000000429 assembly Methods 0.000 claims description 14
- 239000012533 medium component Substances 0.000 claims description 14
- 238000009833 condensation Methods 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 11
- 230000005389 magnetism Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract 3
- 239000002609 medium Substances 0.000 description 19
- 239000000498 cooling water Substances 0.000 description 13
- 238000010276 construction Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000013587 production medium Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
-
- 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]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
Abstract
本发明公开了一种智能磁冷式凝汽器，包括凝汽器壳体，设置在蒸汽进口通道上的蒸汽进口温度计和蒸汽流量计，设置在凝汽器壳体内制冷通道上的多个磁冷发生器工质组件，设置在凝汽器壳体内出口处的集水槽，与凝汽器壳体的凝结水出口连通的凝结水管道，设置在凝结水管道上的凝结水温度计和凝结水压力表，还包括自动控制柜，自动控制柜通过驱动装置连接磁冷发生器工质组件，通过电能驱动智能磁冷式凝汽器来产生冷源制冷，即自动控制柜采集蒸汽温度和流量以及采集凝结水温度和压力，并通过控制驱动装置调整电量从而达到控制磁冷发生器工质组件的冷却速度，做到制冷量和蒸汽热焓匹配，确保凝结水温度满足精处理树脂的温度要求。
The invention discloses an intelligent magnetic cooling condenser, comprising a condenser shell, a steam inlet thermometer and a steam flowmeter arranged on a steam inlet channel, and a plurality of magnetic The cold generator working fluid assembly, the water collecting tank arranged at the outlet of the condenser shell, the condensed water pipeline connected with the condensed water outlet of the condenser shell, the condensed water thermometer and the condensed water pressure set on the condensed water pipeline The meter also includes an automatic control cabinet. The automatic control cabinet is connected to the working fluid components of the magnetic cooling generator through the driving device, and the intelligent magnetic cooling condenser is driven by electric energy to generate cold source refrigeration, that is, the automatic control cabinet collects the steam temperature and flow and collects The temperature and pressure of the condensed water are adjusted, and the power is adjusted by controlling the driving device to control the cooling rate of the working fluid components of the magnetic cooling generator, so that the cooling capacity and the enthalpy of the steam are matched to ensure that the temperature of the condensed water meets the temperature requirements of the finishing resin.
Description
Technical Field
The invention relates to the field of heat exchange and refrigeration, in particular to an intelligent control magnetic cooling type condenser.
Background
Heating power steam and power equipment carry certain heat when doing work, need through the quick cooling vapor of external medium after accomplishing the doing work, become the condensate water after the vapor cooling and drop into continuous operation repeatedly, cooling method adopts cooling water or cold air mostly in the past, cooling water system is numerous and diverse, the cooling process needs a whole set of system water and water supply system, need consume a large amount of clean water sources and electric power, the cooling water can take place to blow away or volatilize the loss in the use, cooling water pipeline long-term operation can produce the corruption, scale deposit or pollutant block up, in order to guarantee cooling water system normal operating, need add the scale and corrosion inhibitor in succession, still need irregularly carry out the pipeline maintenance, maintain or wash. The air cooling system consumes a large amount of steel, heat exchange fins and a large-power fan, the cooling mode can cause pollution or accidents caused by leakage of cooling media (circulating cooling water and air) into the working system, and the two cooling modes also have the problem that the cooling system cannot be put into operation when the cooling water and the cold air are heated by the external environment under the working condition of hot weather in summer. It is therefore of interest to find a precisely controllable cooling without a cooling medium.
For example, in order to timely cool steam generated after power generation and form vacuum at the tail end of a steam turbine to improve power generation efficiency, a condenser system with a large volume and a complex system is specially designed and installed in a thermal power plant, devices such as a heat exchange tube, a water chamber, a tube plate and an anode block are arranged and installed in the condenser, the quantity of circulating water is about 2-6 ten thousand tons, and a circulating cooling water system is provided with a cooling tower and a high-power circulating cooling water pump. The layout area of the cooling tower and the cooling water pipeline accounts for about one fifth of the whole main plant area, the condenser, the pipeline and the cooling tower account for about one fourth of the construction cost of the power plant, and the construction period of the cooling tower (or the air cooling tower) is longer, so if the existing condenser and the existing cooling tower (or the air cooling tower) can be omitted in the power plant, a large amount of construction cost can be saved for the power plant, the construction period can be shortened, pollution discharge and hot air pollution can be reduced, and water, electricity and cost can be saved.
Steam quality after thermal power factory electricity generation is big, the enthalpy is high, and steam quality is good, just can repeatedly put into production and application by slightly handling after the condensation, nevertheless will get off the used repeatedly very huge condensing system and equipment of supporting with above-mentioned steam condensation, the construction cycle is long, the expense is high, area is big, production operation is complicated.
Disclosure of Invention
In view of the above problems and the current situation, an object of the present invention is to provide an intelligent magnetic cooling type condenser, which solves the problem of dependence restriction that cooling depends on a medium such as external circulating cooling water or cold air as a cold source.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an intelligent magnetic cooling type condenser comprises a condenser shell 7, a steam inlet channel flange 1 arranged at the end part of a steam inlet channel of the condenser shell 7 and communicated with an exhaust port of a steam turbine, a steam inlet thermometer 2 and a steam flow meter 3 arranged on the steam inlet channel, a plurality of magnetic cooling generator working medium components 5 arranged on a refrigerating channel in the condenser shell 7, a water collecting tank 8 arranged at an inner outlet of the condenser shell 7, a water filtering grate 9 arranged in the middle of the water collecting tank 8, a condensed water pipeline 10 communicated with a condensed water outlet of the condenser shell 7, a condensed water thermometer 11 and a condensed water pressure gauge 12 arranged on the condensed water pipeline 10, and the condensed water pipeline 10 is connected with a condensed water fine treatment system through a condensed water outlet flange 14 at the end part of the condensed water pipeline 10; the automatic control cabinet 15 is connected with the working medium component 5 of the magnetic cooling generator through a driving device 6, and the automatic control cabinet 15 is also connected with a steam inlet thermometer 2, a steam flowmeter 3, a condensed water thermometer 11 and a condensed water pressure gauge 12; produce the cold source refrigeration through electric energy drive intelligence magnetism cold type condenser, automatic control cabinet 15 gathers steam temperature and flow and gathers condensation water temperature and pressure promptly to thereby reach the cooling rate of control magnetism cold generator working medium subassembly 5 through control drive arrangement 6 adjustment electric quantity, accomplish refrigerating output and steam heat content and match, ensure that condensation water temperature satisfies the temperature requirement of smart processing resin.
A plurality of magnetic cooling generator working medium assemblies 5 are stacked and connected in series inside a condenser shell 7, and multiple groups of magnetic cooling generator working medium assemblies operate.
Can also be in the inside negative pressure region that forms of intelligence magnetism cold type condenser system when cryogenic, the negative pressure is favorable to improving the steam driving force to improve the steam turbine rotational speed, just can produce more electric quantities during the high rotational speed of steam turbine, so form the condensation vacuum environment in steam turbine low reaches and be especially important to promoting steam turbine generating efficiency.
The magnetic cooling condenser is vertical or horizontal, the internal refrigeration channel is designed into a tubular shape, a plate shape or a wheel disc shape so as to meet the refrigeration function and the space requirement, and the purpose of cooling and condensing can be achieved when water vapor passes through or contacts the working medium component 5 of the magnetic cooling generator.
The intelligent magnetic cooling condenser adopts a variable frequency operation mode of a fixed magnetic cooling generator working medium component 5 or adopts the reciprocating motion of an N pole and an S pole of the driving magnetic cooling generator working medium component 5 to refrigerate.
Still including setting up steam inlet valve 4 on steam inlet channel and setting up the condensate outlet valve 13 on condensate pipe 10, when intelligent magnetism cold type condenser breaks down, close steam inlet valve 4 and condensate outlet valve 13, the easy access.
The automatic control cabinet 15 gathers steam temperature and flow and gathers condensation water temperature and pressure to thereby adjust the electric quantity through control drive arrangement 6 and reach the cooling rate of control magnetism cold generator working medium subassembly 5, accomplish that refrigerating output and steam enthalpy match and adopt following computational formula:
(1) the steam heat release calculation formula is as follows: qHeat release amount＝CM(tInlet port-tAn outlet)
In the formula: c represents the specific heat capacity of the medium to be cooled, M represents the mass of the medium, tInlet portTemperature detected for steam inlet thermometer, tAn outletIndicating a set temperature of the condensed water;
(2) the refrigerating capacity calculation formula is as follows: qRefrigerating capacity＝KRL
In the formula: k represents the commissioning number of the working medium assemblies of the magnetic cooling generator, R represents the electric energy utilization coefficient of the working medium assemblies of the magnetic cooling generator, and L represents the full-load refrigerating capacity of the working medium assemblies of the single magnetic cooling generator;
according to the law of thermal equilibrium: qRefrigerating capacity ═QHeat release amount
Namely: KRL ═ CM (t)Inlet port-tAn outlet)
In the formula: the specific heat capacity C of the medium to be cooled and the operation number K of the working medium assemblies of the magnetic cooling generator are constants, M, tInlet port、tAn outletThe detection and acquisition result shows that R is controlled by supplying electric energy;
as long as set for the temperature of the condensed water, the intelligent and accurate control of the refrigeration process can be achieved.
The whole system of the invention is rigorous and reliable, and does not need matched circulating cooling water or cold air. According to the condensate temperature feedback signal who sets for, thereby adjust its work efficiency of intelligent magnetism cold type condenser electric energy supply size control, can accomplish the condensate water and can control in setting for the interval through condensation back temperature for processes such as the condensate water smart processing in later stage no longer receive conditions such as temperature and restrict, the operating rate of the condensate water smart processing that has improved greatly reduces system's scale deposit and long-pending salt, has guaranteed the steam quality and the thermal efficiency of boiler.
Compared with the prior art, the invention has the following advantages:
(1) the magnetic force is generated by exciting the magnet through electric energy, the working medium component of the magnetic cooling generator generates a cold source for refrigeration, and the purpose of cooling or refrigeration can be achieved when media (such as steam, flue gas and production media) needing cooling pass through or contact with the surface of the working medium component of the magnetic cooling generator; the problem of dependence restriction of the prior cooling method which depends on the outside circulating cooling water or cold air and other media as cold sources is solved.
(2) The intelligent magnetic cooling type condenser saves space, investment and construction cost, and greatly shortens the construction period.
(3) The intelligent magnetic cooling type condenser has no consumables except for electric power in the operation process, and saves the operation and maintenance cost.
(4) The intelligent magnetic cooling type condenser does not discharge pollution to the outside or generate heat pollution in the operation process, does not discharge sewage, does not waste water resources, and is environment-friendly.
(5) The intelligent magnetic cooling type condenser adjusts and controls the rotating speed of the magnet by setting detection data such as temperature, steam flow and the like of an inlet and an outlet in front of and behind the magnetic cooling type condenser, can automatically match and automatically adjust the refrigerating capacity, and especially can ensure that condensed water fine treatment resin can be smoothly put into operation in summer.
Drawings
The attached drawing is a schematic diagram of the intelligent magnetic cooling type condenser.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the intelligent magnetic cooling type condenser comprises a steam inlet channel flange 1, a steam inlet thermometer 2, a steam flow meter 3, a steam inlet valve 4, a magnetic cooling generator working medium component 5, a driving device 6, a condenser shell 7, a water collecting tank 8, a water filtering grate 9, a condensed water pipeline 10, a condensed water thermometer 11, a condensed water pressure gauge 12, a condensed water outlet valve 13, a condensed water outlet flange 14 and an automatic control cabinet 15.
The working process of the intelligent magnetic cooling type condenser comprises the following steps: the steam condenser comprises a steam inlet channel flange 1, a steam inlet thermometer 2, a steam flow meter 3, a steam inlet valve 4, a steam inlet valve 7, a magnetic cooling generator working medium assembly 5, a water collecting tank 8, a water filtering grate 9, a condensed water pipeline 10, a condensed water thermometer 11, a condensed water pressure gauge 12, a condensed water outlet valve 13, a condensed water outlet flange 14, a condensed water precision treatment system and a subsequent condensed water precision treatment program.
Thereby automatic control cabinet 15 adjusts the electric quantity through control drive arrangement 6 and reaches the cooling rate of control magnetism cold generator working medium subassembly 5, accomplishes refrigerating output and the reasonable matching of steam enthalpy, ensures that the temperature of condensation water satisfies the temperature requirement of smart processing resin.
In order to achieve the purpose, the number of the magnetic cold generator working medium assemblies can be calculated through a thermodynamic equation and on-site working conditions, the refrigerating capacity of the magnetic cold generator working medium assemblies can also meet the refrigerating requirement under the full load condition of a unit, the magnetic cold generator working medium assemblies are overlapped and connected in series inside the intelligent magnetic cold type condenser in consideration of factors such as thermal resistance of a heat exchanger and magnetic pole maintenance, and multiple groups of magnetic cold generator working medium assemblies operate.
Claims (7)
1. The utility model provides an intelligence magnetism cold type condenser which characterized in that: the device comprises a condenser shell (7), a steam inlet channel flange (1) arranged at the end part of a steam inlet channel of the condenser shell (7) and communicated with an exhaust port of a steam turbine, a steam inlet thermometer (2) and a steam flow meter (3) arranged on the steam inlet channel, a plurality of magnetic cooling generator working medium components (5) arranged on a refrigerating channel in the condenser shell (7), a water collecting tank (8) arranged at an outlet in the condenser shell (7), a water filtering grate (9) arranged in the middle of the water collecting tank (8), a condensed water pipeline (10) communicated with a condensed water outlet of the condenser shell (7), a condensed water thermometer (11) and a condensed water pressure gauge (12) arranged on the condensed water pipeline (10), and the condensed water pipeline (10) is connected with a condensed water fine treatment system through a condensed water outlet flange (14) at the end part of the condensed water pipeline; the automatic control cabinet (15) is connected with the working medium assembly (5) of the magnetic cooling generator through a driving device (6), and the automatic control cabinet (15) is also connected with a steam inlet thermometer (2), a steam flowmeter (3), a condensed water thermometer (11) and a condensed water pressure gauge (12); produce the cold source refrigeration through electric energy drive intelligence magnetism cold type condenser, automatic control cabinet (15) gather steam temperature and flow and gather condensation water temperature and pressure promptly to thereby adjust the cooling rate that the electric quantity reaches control magnetism cold generator working medium subassembly (5) through control drive arrangement (6), accomplish refrigerating output and steam heat content and match, ensure that condensation water temperature satisfies the temperature requirement of smart processing resin.
2. The intelligent magnetic-cooled condenser of claim 1, wherein: a plurality of magnetic cooling generator working medium components (5) are stacked and connected in series inside a condenser shell (7), and multiple groups of magnetic cooling generator working medium components operate.
3. The intelligent magnetic-cooled condenser of claim 1, wherein: and a negative pressure area can be formed in the intelligent magnetic cooling type condenser system while refrigerating.
4. The intelligent magnetic-cooled condenser of claim 1, wherein: the magnetic cooling condenser is vertical or horizontal, the internal refrigeration channel is designed into a tubular shape, a plate shape or a wheel disc shape so as to meet the refrigeration function and the space requirement, and the purpose of cooling and condensing can be achieved when water vapor passes through or contacts the working medium component (5) of the magnetic cooling generator.
5. The intelligent magnetic-cooled condenser of claim 1, wherein: the intelligent magnetic cooling condenser adopts a variable frequency operation mode of a fixed magnetic cooling generator working medium component (5) or adopts the reciprocating motion of an N pole and an S pole of a driving magnetic cooling generator working medium component (5) to refrigerate.
6. The intelligent magnetic-cooled condenser of claim 1, wherein: still including setting up steam inlet valve (4) on steam inlet channel and setting condensate outlet valve (13) on condensate pipe (10), when intelligent magnetism cold type condenser breaks down, close steam inlet valve (4) and condensate outlet valve (13), the easy access.
7. The intelligent magnetic-cooled condenser of claim 1, wherein: the automatic control cabinet (15) collects steam temperature and flow and collects condensation water temperature and pressure, and adjusts the electric quantity through the control driving device (6) so as to control the cooling speed of the working medium assembly (5) of the magnetic cooling generator, and the following calculation formula is adopted for matching refrigerating capacity and steam enthalpy:
(1) the steam heat release calculation formula is as follows: qHeat release amount＝CM(tInlet port-tAn outlet)
In the formula: c represents the specific heat capacity of the medium to be cooled, M represents the mass of the medium, tInlet portTemperature detected for steam inlet thermometer, tAn outletIndicating a set temperature of the condensed water;
(2) the refrigerating capacity calculation formula is as follows: qRefrigerating capacity＝KRL
In the formula: k represents the commissioning number of the working medium assemblies of the magnetic cooling generator, R represents the electric energy utilization coefficient of the working medium assemblies of the magnetic cooling generator, and L represents the full-load refrigerating capacity of the working medium assemblies of the single magnetic cooling generator;
according to the law of thermal equilibrium: qRefrigerating capacity ═QHeat release amount
Namely: KRL ═ CM (t)Inlet port-tAn outlet)
In the formula: the specific heat capacity C of the medium to be cooled and the operation number K of the working medium assemblies of the magnetic cooling generator are constants, M, tInlet port、tAn outletThe detection and acquisition result shows that R is controlled by supplying electric energy; as long as set for the temperature of the condensed water, the intelligent and accurate control of the refrigeration process can be achieved.
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| CN202110654582.5A CN113188340A (en) | 2021-06-11 | 2021-06-11 | Intelligent magnetic cooling type condenser |
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| CN202110654582.5A CN113188340A (en) | 2021-06-11 | 2021-06-11 | Intelligent magnetic cooling type condenser |
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2021
- 2021-06-11 CN CN202110654582.5A patent/CN113188340A/en active Pending
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| CN101458008A (en) * | 2009-01-08 | 2009-06-17 | 南京大学 | Magnetic cooling cycle system |
| CN102408139A (en) * | 2011-11-02 | 2012-04-11 | 上海海事大学 | Solar magnetic-refrigeration seawater desalination device and seawater desalination method thereof |
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