CN115507416A - Modularized nuclear energy heating energy-saving device - Google Patents
Modularized nuclear energy heating energy-saving device Download PDFInfo
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- CN115507416A CN115507416A CN202110694899.1A CN202110694899A CN115507416A CN 115507416 A CN115507416 A CN 115507416A CN 202110694899 A CN202110694899 A CN 202110694899A CN 115507416 A CN115507416 A CN 115507416A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 117
- 230000001105 regulatory effect Effects 0.000 claims abstract description 18
- 239000012528 membrane Substances 0.000 claims abstract description 15
- 238000000746 purification Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 14
- 238000009423 ventilation Methods 0.000 claims description 9
- 230000003020 moisturizing effect Effects 0.000 claims description 8
- 230000009466 transformation Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 11
- 230000001502 supplementing effect Effects 0.000 abstract description 6
- 238000002955 isolation Methods 0.000 abstract description 5
- 230000000087 stabilizing effect Effects 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 8
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- 238000000034 method Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007123 defense Effects 0.000 description 2
- 238000006392 deoxygenation reaction Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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- 238000005086 pumping Methods 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
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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
- F24D19/0002—Means for connecting central heating radiators to circulation pipes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
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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
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D9/00—Arrangements to provide heat for purposes other than conversion into power, e.g. for heating buildings
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Abstract
The invention discloses a modular nuclear heating energy-saving device which comprises a heat supply network heater, a steam electric regulating valve, a heat supply network circulating pump, a membrane deaerating device, a condensate pump, a control cabinet and a steam pipeline inlet, wherein the steam pipeline inlet receives steam of a nuclear power unit, the steam pipeline inlet is connected with the steam electric regulating valve, the surface type heat supply network heater is connected with the steam electric regulating valve through a pipeline, the inlet of the heat supply network circulating pump is connected with an isolation valve, the outlet of the heat supply network circulating pump is connected with the heat supply network heater through a pipeline, the heat supply network heater is connected with a circulating water outlet through a pipeline, the membrane deaerating device, a water softener and a water purification tank are sequentially connected to form a water supplementing and pressure stabilizing module, and the water purification tank is connected with the heat supply network heater. The beneficial effects are that: the nuclear power generation system can fully utilize the residual nuclear power of the reactor as a heat source to perform centralized heating on users on the premise of ensuring the nuclear safety and public radiation safety of the nuclear power generating unit and not reducing the original generating power of the unit.
Description
Technical Field
The invention belongs to the technical field of nuclear power heating energy conservation, and particularly relates to an energy-saving device for heating (supplying heat) by utilizing the residual heat power of a reactor of a nuclear power plant.
Background
The thermal efficiency of a steam turbine of a nuclear power plant is closely related to the vacuum of a condenser, when the temperature of circulating water in winter is reduced, the vacuum degree of the condenser is correspondingly improved, the thermal efficiency of a unit is improved, but at the moment, part of nuclear power units are limited by the maximum output of a steam turbine generator, the nuclear reactor does not reach the designed rated nuclear power yet, and a continuous lifting space exists. Taking the practical operation condition of a certain domestic nuclear power station in 2019 winter as an example, when 4 units generate electricity at the full power of 670MW, the thermal power of the reactor is approximately in the range of 1850-1890, and compared with the rated power of 1930MW, each unit has certain residual thermal power which can be exploited and utilized. The calculated residual heat power of the 4 units in winter can be continuously output to be 160MW, and the details are shown in the following table 1.
If the residual nuclear power can be used for heating or supplying heat, the utilization rate of the nuclear power unit can be improved, the continuous heating requirement of about 400 ten thousand square meters of buildings can be met, and fossil energy consumption and carbon emission are reduced.
The residual nuclear power is used for heating, firstly, the safety of a unit is ensured through a technical means, the radiation safety concern of a heating user is eliminated, and meanwhile, the project has economic competitiveness.
Disclosure of Invention
The invention aims to provide a modular nuclear energy heating energy-saving device which can fully utilize the residual nuclear power of a reactor as a heat source to perform centralized heating (heat supply) on users on the premise of ensuring the nuclear safety and public radiation safety of a nuclear power unit and not reducing the original generating power of the unit.
The technical scheme of the invention is as follows: modular nuclear heating economizer, including the heat supply network heater, steam electrical control valve, heat supply network circulating pump, water softener, water purification case, membrane deaerator, condensate pump, control cabinet, steam conduit entry, entry filter, base, isolating valve and circulating water export and circulating water entry, steam conduit entry receive nuclear power generating set's steam, steam conduit entry is connected with steam electrical control valve, surface formula heat supply network heater pass through the pipeline and be connected with steam electrical control valve, the entry and the isolating valve of heat supply network circulating pump be connected, the export of heat supply network circulating pump pass through pipeline and heat supply network heater connection, the heat supply network heater passes through pipeline and circulating water exit linkage, membrane deaerator, water softener and water purification case connect gradually, constitute moisturizing level pressure module, water purification case and heat supply network heater connection.
The energy power module is adjacent to the equipment base module, the energy power module is also adjacent to the condensed water system module, the pipe valve integrated module, the first pipeline penetrating assembly and the cable penetrating assembly are arranged on the circulating pump set module, the pipe valve integrated module, the first pipeline penetrating assembly and the cable penetrating assembly are arranged on the pipe valve integrated module, the pipe valve integrated module is adjacent to the pipe valve integrated module and the cable penetrating assembly, the control module is adjacent to the free space module and the heat network heater module, the top of the condensed water system module is provided with the heat network heater module, the free space module, the top of the heat network heater module and the top of the heat network heater module are provided with the free space module, the top of the heat network heater module is provided with the top of the ventilating device, and the top of the ventilating device is provided with the top structure.
The pipe valve integrated module comprises a pipeline and a valve, and the pipeline and the valve are connected with a frame type steel structure.
The heating network heater module comprises a surface type heater and an auxiliary pipeline, a valve and a primary instrument thereof, wherein the heater and the auxiliary pipeline, the valve and the primary instrument thereof are connected with a frame type steel structure.
The condensed water system module comprises a condensed water collecting box, a condensed water lifting pump, a water level regulating valve, a pipeline of the water level regulating valve and an instrument, wherein the condensed water collecting box, the condensed water lifting pump, the water level regulating valve, the pipeline of the water level regulating valve and the instrument are connected with a frame type steel structure.
The circulating pump set module comprises a pump set, a pipeline and a valve, wherein the pump set, the pipeline and the valve are connected with a frame type steel structure.
The energy power module comprises power transformation and distribution equipment and a cable, and the power transformation and distribution equipment and the cable are connected with a frame type steel structure.
The control module comprises control equipment and a cable, wherein the control equipment and the cable are connected with a frame type steel structure.
Moisturizing level pressure module include a water purification case, a set of membrane deaerator, a set of water softener, a set of moisturizing level pressure pump package, a water purification case, a set of membrane deaerator, a set of water softener, a set of moisturizing level pressure pump package are connected with a frame-type steel construction.
The equipment foundation module is formed by integrally pouring concrete.
The invention has the beneficial effects that: (1) The device can fully excavate and utilize the residual heat power of the reactor to realize heating under the condition of not reducing the original power generation capacity of the nuclear power unit, thereby improving the heat efficiency of the unit, and helping nuclear power enterprises and heating users to realize the aims of energy conservation, emission reduction, cost reduction and efficiency improvement. (2) The design concepts of depth defense, various redundancy and fault safety of the nuclear power plant are introduced, and a plurality of measures are adopted to ensure that the nuclear power plant does not additionally increase the nuclear and radiation safety risks of the nuclear power plant to the public and the environment under any design reference working condition.
Drawings
FIG. 1 is a schematic diagram of the internal structure of a modular nuclear heating economizer according to the present invention;
FIG. 2 is a schematic diagram of the external structure of the modular nuclear heating economizer of the present invention;
FIG. 3 is a schematic diagram of the back side of the external structure of the modular nuclear heating economizer according to the present invention;
FIG. 4 is a schematic view of a module quick-mount interface.
In fig. 1: 1, a heat supply network heater, 2, a steam electric regulating valve, 3, a heat supply network circulating pump, 4 water softeners, 5 water purification tanks, 6 membrane deaerating devices, 7 condensate pumps, 8 control cabinets, 9 steam pipeline inlets, 10 inlet filters, 11 bases, 12 isolating valves, 13 circulating water outlets, 14 circulating water inlets, 101 pipe valve integrated modules, 102 heat supply network heater modules, 103 condensate system modules, 104 circulating pump set modules, 105 energy power modules, 106 control modules, 107 water supplementing and pressure stabilizing modules, 108 free space modules, 109 space and ventilation modules and 110 equipment base modules; 201 first pipeline runs through the subassembly, 202 cable runs through the subassembly, 203 new trend filtering component, 204 daylighting subassembly, 205 structural envelope subassembly, 206 second pipeline runs through the subassembly, 21 locating pins, module frame on 22, module frame under 23, 24 connecting bolt, 25 pipelines, 26 heat preservation.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
The invention provides a modular nuclear energy heating energy-saving device which is built by adopting a complete modular design, a single device has the heating capacity of 0-40MW, and the residual heat power of a reactor is automatically tracked and accurately excavated as a heat source to carry out centralized heating under the condition of not reducing the original safety performance of a nuclear power station and not reducing the power generation output, so that the safe, efficient and comprehensive utilization of nuclear energy is realized.
The device is formed by combining a plurality of submodules with independent functions, integrates the functions of process, electric power, control, protection, structure, ventilation, fire protection, radiation monitoring and the like, can flexibly select sites, quickly transport and quickly install, can be independently operated by a single unit, and can also be operated by a plurality of units in a combined way, so that the power surplus conditions of different nuclear power stations can be flexibly matched, and the power surplus conditions of the traditional heat supply initial station project can be built one by one according to the load increase condition of a heating user, thereby avoiding the defects of large one-time investment and long investment return period and realizing the economic competitiveness of the traditional heat supply initial station project.
The problems to be solved by the invention are as follows: guaranteeing nuclear safety, public radiation safety of nuclear power unit, and not reducing under the prerequisite of the original generated power of unit, accurate excavation utilizes reactor surplus nuclear power as the heat source, carries out central heating (heat supply) to the user to have abundant economic nature, the device possesses following performance target:
(1) Nuclear security: the device is added without changing the original safety analysis hypothesis, method and conclusion of the nuclear power unit;
(2) Heating capacity: the single device has the automatic continuous heating (heat supply) capacity of 0-40 MW;
(3) Energy-saving performance: the thermal conversion efficiency of the device is more than 85%, and the thermal efficiency of the nuclear power unit can be improved by more than 0.5% when the device is operated at full load;
(4) General adaptability is as follows: the device can be independently operated singly, and also can be operated in a plurality of combinations (the devices can be controlled in a self-coordination way), so that the device can be universally suitable for different nuclear power plant sites and unit requirements;
(5) And (3) automation level: the reactor has one-key start-stop and automatic control capabilities, ensures that the reactor power is smaller than a rated value in any state, automatically matches with the change of heating load requirements, and automatically isolates accident conditions.
(6) The manufacturing cost and the construction period are as follows: the cost of each KW is less than 2000 RMB, the manufacturing period is less than 150 days, and the installation period is less than 15 days.
As shown in fig. 1, the modular nuclear heating energy-saving device includes a heating network heater 1, a steam electric control valve 2, a heating network circulating pump 3, a water softener 4, a water purification tank 5, a membrane deaerator 6, a condensate pump 7, a control cabinet 8, a steam pipeline inlet 9, an inlet filter 10, a base 11, an isolation valve 12, a circulating water outlet 13 and a circulating water inlet 14, wherein the steam pipeline inlet 9 is used for receiving steam of a nuclear power unit, the steam electric control valve 2 is connected with the steam pipeline inlet 9 and used for adjusting the flow of the steam, the surface heating network heater 1 is connected with the steam electric control valve 2 through a pipeline and used for converting the heat of the steam into the heat of the circulating water and isolating possible radioactivity of a steam loop. The inlet of the heat supply network circulating pump 3 is connected with the isolating valve 12, the outlet of the heat supply network circulating pump is connected with the heat supply network heater 1 through a pipeline, the heat supply network heater 1 is connected with a circulating water outlet through a pipeline, and the hot water is pumped to a heat supply network through pressure lifting of the circulating water pump and temperature lifting of the heat supply network circulating pump. The membrane deoxygenation device 6, the water softener 4 and the water purification tank 5 are sequentially connected to form a water supplementing and pressure stabilizing module. The water purifying tank 5 is connected with the heating network heater 1, and the control cabinet 8 controls and operates the device.
As shown in fig. 2 and 3, the modular nuclear heating energy-saving device includes a pipe valve integrated module 101, a heat supply network heater module 102, a condensed water system module 103, a circulating pump assembly module 104, an energy power module 105, a control module 106, a water replenishing constant pressure module 107, a free space module 108, a space and ventilation module 109, an equipment foundation module 110, a first pipe penetration assembly 201, a cable penetration assembly 202, a fresh air filtering assembly 203, a lighting assembly 204, a structural enclosure assembly 205, and a second pipe penetration assembly 206, wherein, in the order from bottom to top, the equipment foundation module 110 is located at the lowest layer of the device, the circulating pump assembly module 104 is adjacent to the water replenishing constant pressure module 107 and the fresh air filtering assembly 203, the energy power module 105 is adjacent to the equipment foundation module 110, the energy power module 105 is also adjacent to the condensed water system module 103, the upper portion of the circulating pump assembly module 104 is provided with the integrated module 101, the first pipe penetration assembly 201 and the cable penetration assembly 202, the first pipe penetration assembly 201 and the integrated module 101 are adjacent to the cable penetration assembly 202, the energy power module 105 is provided with the control module 106, the upper portion of the condensed water system module 103 is provided with the second pipe penetration assembly 206, the top of the heat supply network heater module 102 and the top of the heating energy power module 102, the free space assembly is provided with the heat supply network heater assembly 205, the top of the free space assembly 102, the free space assembly 102 and the free space assembly 102, the heating network heater assembly 205, the equipment foundation module 102, and the free space assembly 110 are provided with the top of the equipment foundation module 102, the free space assembly 205 and the equipment foundation module 102, the equipment foundation module 205.
The modules adjacent to each other are mechanically connected together through the module quick-mounting interface shown in fig. 4, and are integrally located on the base 11, so that a complete set of heat supply and energy saving device is formed.
The module quick-assembly interface shown in fig. 4 comprises a positioning pin 21, an upper module frame 22, a lower module frame 23, a connecting bolt 24, a pipeline 25 and a heat-insulating layer 26, wherein the lower module frame 23 is provided with the positioning pin 21, the upper module frame 22 is provided with a positioning pin hole, the positioning pin 21 is inserted into the positioning pin hole in the upper module frame 22 to realize quick and accurate positioning, the upper module frame 22 and the lower module frame 23 are quickly connected and fixed through the connecting bolt 24, the heat-insulating layer 26 is preset outside the pipeline 25 and fixed on the upper module frame 22 and the lower module frame 23.
The device of the invention is formed by combining a plurality of independent functional sub-modules, integrates the functions of process, electric power, control, protection, structure, ventilation, fire protection, radiation monitoring and the like, can flexibly select sites, quickly transport and quickly install, can be independently operated by a single machine or can be operated by a plurality of machines in a combined way, and is formed by combining the following independent functional sub-modules:
pipe valve integration module 101: the module consists of a series of pipelines and valves, is connected with a frame type steel structure, and has the main function of conveying media such as steam, water and the like.
Heating network heater module 102: the module consists of a surface heater, an auxiliary pipeline, a valve and a primary instrument, wherein the surface heater is connected with a frame type steel structure, and the surface heater is mainly used for converting steam heat energy of a secondary loop of the nuclear power unit into heat energy of circulating water of a heat supply network.
Condensate system module 103: the module consists of a condensed water collecting box, a condensed water lifting pump, a water level regulating valve, a pipeline and an instrument matched with the condensed water lifting pump and the water level regulating valve, wherein the device is connected with a frame type steel structure and is mainly used for pumping steam condensed water in a heat supply network heater back to a nuclear power unit to realize steam-water balance.
Circulation pump set module 104: the module consists of a series of pump groups, pipelines and valves, the equipment is connected with a frame type steel structure, and the main function of the module is to boost pressure of circulating water and steam condensate water so as to realize circulation of media.
Energy power module 105: the module consists of a series of power transformation and distribution equipment and matched cables, the equipment is connected with a frame type steel structure, and the main function of the module is to provide electric energy for a complete set of equipment.
The control module 106: the module consists of a series of control devices and matched cables, the devices are connected with a frame type steel structure, and the main function is to provide automatic control for the complete equipment.
Water supplement constant pressure module 107: the module mainly comprises a water purifying tank, a set of membrane deaerating device, a set of water softening device and a set of water supplementing constant pressure pump set, the equipment is connected with a frame type steel structure, and the module has the main functions of providing water with qualified water quality for a circulating water loop, maintaining the design pressure of the circulating water loop and ensuring the suction pressure head of the circulating water pump.
Free space module 108: the module is a space formed by a series of steel structures and an envelope structure, and has the main function of providing operation and maintenance space for the device.
Space and fan module 109: the module includes a series of free space and roof fans, the primary functions being to provide space for operation and maintenance of the device, and to provide ventilation for the device.
The device infrastructure module 110: the module is formed by integrally pouring concrete, and provides a stable equipment foundation for each module of the complete device.
The device of the invention utilizes nuclear steam for heating, so the nuclear and radiation safety is the problem to be solved firstly. The design concepts of depth defense, diversity redundancy and fault safety of the nuclear power plant are innovatively introduced, and the following 6 measures are adopted to ensure that the nuclear power plant is additionally provided with the device under any design reference working condition, so that the nuclear and radiation safety risks of the nuclear power plant to the public and the environment are not additionally increased.
(1) A first entity isolation measure: the nuclear steam loop and the heat supply network circulating water loop exchange heat through the surface type heat exchanger, and a more conservative pressure-bearing and corrosion-resistant design is adopted, so that the physical isolation of two loop media is ensured.
(2) And a second entity isolation measure: the water replenishing of the circulating water pipe network adopts a membrane deoxygenation mode, and the steam heating is avoided to enable the steam of the second loop of the nuclear power station to enter the circulating water loop.
(3) Controlling a first protective measure: the device is provided with a pressure difference control program to ensure that the pressure p2 of the circulating water side of the heat exchanger is always higher than the pressure p1 of the steam side; and when the p1-p2 is smaller than the set value, the heating steam regulating valve V2 is automatically limited to be continuously opened.
(4) And controlling protection measures two: the device is configured with a power limit program, automatically acquires and calculates the residual thermal power and the fluctuation trend of the reactor, calculates the current maximum allowable output power of the device and ensures that the reactor does not run with excess power.
(5) And (3) control protection measures three: the design of the device adopts a fail-safe concept, and any active equipment is in a safe position when losing a power source, so that the safety of the equipment and personnel is ensured.
(6) And (3) leakage monitoring measures: the device is provided with a leakage monitoring subsystem, and comprises three monitoring means of nuclear power station secondary loop radiation monitoring R1, heat supply network circulating water radiation monitoring R2 and heat transfer pipe leakage monitoring R3 to ensure that radioactive substances do not enter a heat supply network circulating water loop, when a steam generator leakage accident occurs in the nuclear power station, the R1 alarms and triggers a main steam pressure reducing valve V1 to be automatically closed, and secondary loop steam is isolated. When R2 triggers the alarm, the automatic closing regulating valve V2 is triggered, and when R3 triggers the alarm, whether the heat supply network heater leaks or not is checked.
1) The device is independently installed near a nuclear power unit, a control system of the device obtains the current nuclear power value of the nuclear power unit through signal transmission with a reactor power control system of the nuclear power unit, and the residual thermal power of the reactor is automatically calculated to serve as the upper limit of the power of the device. The device uses the main steam of the secondary loop of the nuclear power station as a heat source, and the circulating water backwater is heated by the surface type heat supply network heater to provide high-temperature hot water for users.
The invention realizes one-key sequential commissioning through the logic preset by the control system, and the steps are as follows:
(1) The device main power supply is in a switching-on position;
(2) Putting a device control system into the device, and clicking one key to start;
(3) A control system of the device automatically confirms that each pump set, each valve, each fan and each instrument are in the initial position before starting;
(4) Automatically starting a ventilation air-conditioning system until rated air quantity and temperature are reached;
(5) Automatically starting the water supplementing and pressure stabilizing device to charge the circulating water loop with water until the circulating water loop reaches a rated pressure, and stopping water supplementing;
(6) Automatically starting a circulating water pump until a preset circulating water flow is reached;
(7) And automatically and slowly opening an electric regulating valve V2 of the heating steam pipeline, automatically regulating the V2 according to the outlet water temperature T1 of the circulating water, and maintaining the outlet water temperature at a set value.
(8) And the steam condensate pump is adjusted according to the water level of the heat supply network heat exchanger to maintain the water level at a rated value.
(9) The system is put into operation and kept running.
The system shutdown operation step:
the device realizes one-key sequential exit through logic preset by a control system of the device, and the steps of the device are opposite to those of the input step.
Claims (10)
1. Modularization nuclear energy heating economizer, its characterized in that: including the heat supply network heater, steam electrical control valve, heat supply network circulating pump, water softener, water purification case, membrane deaerating plant, condensate pump, control cabinet, steam conduit entry, entry filter, base, isolating valve and circulating water export and circulating water entry, steam conduit entry receive nuclear power generating set's steam, steam conduit entry is connected with steam electrical control valve, surface formula heat supply network heater pass through the pipeline and be connected with steam electrical control valve, the entry and the isolating valve of heat supply network circulating pump be connected, the export of heat supply network circulating pump pass through pipeline and heat supply network heater connection, the heat supply network heater passes through pipeline and circulating water exit linkage, membrane deaerating plant, water softener and water purification case connect gradually, constitute moisturizing level pressure module, water purification case and heat supply network heater connection.
2. The modular nuclear heating economizer of claim 1 wherein: the energy power module is adjacent to the equipment base module, the energy power module is also adjacent to the condensed water system module, the pipe valve integrated module, the first pipe penetrating assembly, the heat supply network heater module, the free space module, the space and ventilation module, the lighting assembly, the structural enclosure assembly and the ventilation module are arranged on the upper portion of the condensed water system module, the pipe valve integrated module, the first pipe penetrating assembly and the cable penetrating assembly are arranged on the upper portion of the condensed water system module, the free space module is arranged on the upper portion of the first pipe penetrating assembly, the pipe valve integrated module is adjacent to the pipe valve integrated module and the cable penetrating assembly, the control module is arranged on the upper portion of the energy power module, the second pipe penetrating assembly is arranged on the upper portion of the condensed water module, the heat supply network heater module is arranged on the second pipe penetrating assembly, the free space module is arranged on the upper portion of the pipe valve integrated module, the first pipe penetrating assembly and the cable penetrating assembly, the control module is adjacent to the free space module and the heat supply network heater module, the top assembly of the device is arranged on the top of the ventilation module, and the top of the device.
3. The modular nuclear heating economizer of claim 2 wherein: the pipe valve integrated module comprises a pipeline and a valve, and the pipeline and the valve are connected with a frame type steel structure.
4. The modular nuclear heating economizer of claim 2 wherein: the heating network heater module comprises a surface type heater and an auxiliary pipeline, a valve and a primary instrument thereof, wherein the heater and the auxiliary pipeline, the valve and the primary instrument thereof are connected with a frame type steel structure.
5. The modular nuclear heating economizer of claim 2 wherein: the condensed water system module comprises a condensed water collecting box, a condensed water lifting pump, a water level regulating valve, a pipeline of the water level regulating valve and an instrument, wherein the condensed water collecting box, the condensed water lifting pump, the water level regulating valve, the pipeline of the water level regulating valve and the instrument are connected with a frame type steel structure.
6. The modular nuclear heating economizer of claim 2 wherein: the circulating pump set module comprises a pump set, a pipeline and a valve, and the pump set, the pipeline and the valve are connected with a frame type steel structure.
7. The modular nuclear heating economizer of claim 2 wherein: the energy power module comprises power transformation and distribution equipment and a cable, and the power transformation and distribution equipment and the cable are connected with a frame type steel structure.
8. The modular nuclear heating economizer of claim 2 wherein: the control module comprises control equipment and a cable, and the control equipment and the cable are connected with a frame type steel structure.
9. The modular nuclear heating economizer of claim 2 wherein: moisturizing level pressure module include a water purification case, a set of membrane deaerator, a set of water softener, a set of moisturizing level pressure pump package, a water purification case, a set of membrane deaerator, a set of water softener, a set of moisturizing level pressure pump package are connected with a frame-type steel construction.
10. The modular nuclear heating economizer of claim 2 wherein: the equipment foundation module is formed by integrally pouring concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110694899.1A CN115507416B (en) | 2021-06-23 | Modularized nuclear energy heating energy-saving device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110694899.1A CN115507416B (en) | 2021-06-23 | Modularized nuclear energy heating energy-saving device |
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| CN115507416A true CN115507416A (en) | 2022-12-23 |
| CN115507416B CN115507416B (en) | 2024-06-11 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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