CN113374299A - Assembly type building and control method thereof - Google Patents

Assembly type building and control method thereof Download PDF

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CN113374299A
CN113374299A CN202110733859.3A CN202110733859A CN113374299A CN 113374299 A CN113374299 A CN 113374299A CN 202110733859 A CN202110733859 A CN 202110733859A CN 113374299 A CN113374299 A CN 113374299A
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heat
building
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CN113374299B (en
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吴书义
王胜
李翠翠
叶林
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Qingjian Group Co Ltd
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Qingjian Group Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H1/00Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
    • E04H1/02Dwelling houses; Buildings for temporary habitation, e.g. summer houses
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04Portland cements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00Solar heat collectors specially adapted for particular uses or environments
    • F24S20/60Solar heat collectors integrated in fixed constructions, e.g. in buildings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00Heat pumps
    • F25B30/06Heat pumps characterised by the source of low potential heat
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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    • GPHYSICS
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    • G06Q50/00Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/08Construction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

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Abstract

The invention provides an assembly type building which comprises an assembly type wall body, wherein the wall body comprises a transparent plate, a preheating pipe, a heat insulation layer, an outer bearing wall, a heat insulation layer, an inner bearing wall and a ventilation part; the transparent plate, the preheating pipe and the heat insulation layer are arranged on the outer surface of the outer bearing wall, the transparent plate is arranged outside the preheating pipe, the heat insulation layer is arranged on the inner side of the preheating pipe, and the heat insulation layer is arranged between the outer bearing wall and the inner bearing wall; the ventilation component is arranged on the inner surface of the inner bearing wall; an inlet at the upper part of the ventilation component is connected with a heater, a preheating pipe extends from the upper part to the lower part of the wall body, the preheating pipe is provided with a branch, an inlet of the branch extends into a room at the inner side of the wall body, and a fan is arranged at the inlet of the branch. The invention firstly integrates water collection, air energy recovery and air source power generation into a system, thereby achieving the integral building integrated technical system.

Description

Assembly type building and control method thereof
Technical Field
The invention belongs to the technical field of heat exchange, energy conservation and environmental protection, and relates to an assembly type wall system and a heating and ventilation system thereof.
Background
With the continuous development of economy and the large consumption of energy sources, energy conservation becomes a global concern, the utilization of renewable energy sources such as solar energy, wind energy, geothermal energy and the like, industrial waste heat and waste heat becomes a key point for research and development of various countries, however, the energy sources have the characteristics of discontinuity and instability, and therefore, the research of an energy storage technology is particularly important. The heat storage technology is one of energy storage technologies, and an important ring in the heat storage technology is the design of a phase change heat storage heat exchanger. The common phase change heat accumulating heat exchanger has two pipes connected together and cold and hot fluid flows through the inner pipe and the outer pipe separately. The phase change heat storage material is packaged in the phase change heat storage unit with a certain shape and applied to the heat storage box, so that the occupied area of the conventional heat storage box can be reduced, and the defect of discontinuous utilization of waste heat, waste heat and solar energy can be overcome. The flat plate heat exchanger is the heat exchanger with the highest heat exchange efficiency in various heat exchangers at present, and has the advantages of small occupied space and convenience in mounting and dismounting. The high-pressure resistant staggered circulation structure of the plate heat exchanger is formed by combining concave-convex lines between two adjacent plates in a vacuum welding mode, and the staggered circulation structure enables cold and hot fluid in the plate heat exchanger to generate strong turbulence to achieve a high heat exchange effect.
Solar energy is inexhaustible clean energy and has huge resource amount, and the total amount of solar radiation energy collected on the surface of the earth every year is 1 multiplied by 1018kW.h, which is ten thousand times of the total energy consumed in the world year. The utilization of solar energy has been used as an important item for the development of new energy in all countries of the world. However, the solar radiation has a small energy density (about one kilowatt per square meter) and is discontinuous, which brings certain difficulties for large-scale exploitation and utilization. Therefore, in order to widely use solar energy, not only the technical problems should be solved, but also it is necessary to be economically competitive with conventional energy sources.
At present, buildings, industries and traffic become three major industries for energy use, and the energy-saving potential of the building industry is the greatest. The building energy consumption in China accounts for more than 27% of all energy consumption, and the building energy consumption is increased at a speed of 1 percent per year. In the energy consumption of buildings, the energy consumption of the heating air conditioner is the largest and accounts for more than 6 percent of the whole proportion. In global energy consumption, 45 percent of energy is used for meeting the requirements of heat removal, refrigeration, lighting and the like of buildings, and 5 percent of energy is used for the building process of the buildings, so that the energy consumption of the buildings is reduced, the energy consumption of the whole world is reduced, and the consolidation of the whole ecological system is favorably maintained. Under the environment of high-speed and stable development of economy in China, according to continuous improvement of living standard of people and rapid development of urbanization, building energy consumption and renewable energy utilization are urgent problems to be solved in the field of construction, and along with the improvement of the requirement of China on building energy-saving standard, low-energy-consumption buildings become the trend of future development. The development of a solar building integration technology and the improvement of the proportion of renewable energy sources such as solar energy and the like in building energy consumption are important means for realizing social sustainable development in the aims of energy conservation and emission reduction at the present stage. Energy-saving work in China starts late compared with developed countries, energy waste is very serious, and for example, building heating in China consumes heat: the outer wall is 4-5 times of developed countries with similar climatic conditions, the roof is 2.5-5.5 times, and the outer window is 1.5-2.2 times; the air permeability of the door and window is 3-6 times, and the total energy consumption is 3-4 times. In order to reduce energy consumption, the utilization of clean energy sources such as solar photovoltaic photo-thermal energy, wind power generation, tidal power generation and the like is gradually popularized in China at present, and some incentive policies are formulated.
The solar building integration technology is the development direction of the solar technology in the future, and refers to the overall design of bringing the utilization of solar energy into the environment, integrating the building, the technology and the aesthetics into a whole, and the solar facilities become a part of the building and are organically combined with each other, so that the investment can be saved, the integral aesthetic property of the building is not damaged, and the integration problem of the facilities and the building can be utilized to the maximum extent. The application of the solar building integration technology in heating can further reduce the building energy consumption. However, in the current practical engineering application, on one hand, the beauty of a building cannot be fully ensured, and meanwhile, the space occupancy rate of a wall body is possibly overlarge, so that the assembly efficiency of the building structure is reduced, and on the other hand, the problem of low solar heat efficiency utilization rate exists.
An air ventilation processing device is arranged in a solar building, an air heat source is taken as a low-temperature heat source in a heat pump mode at present, electric energy or superheated steam is taken as a high-temperature heat source, quality improvement and temperature rise are carried out through the heat pump, and utilization of solar energy is achieved. However, the thermodynamic system has more complex equipment composition and higher initial investment cost, wherein the closed thermodynamic system belongs to an indirect heat exchange mode and cannot realize further condensation and extraction of water vapor; the open thermodynamic system absorbs solution and air direct contact reaction, and impurity granule in the air will get into and absorb solution and cause the pollution of solution, and then leads to scaling or jam in the pipeline, and system reliability is relatively poor.
For the above analysis, the following technical problems exist in the prior art: the integrated building wall has low solar energy utilization efficiency, the space occupancy rate of the wall may be too large, and the assembly efficiency of the building structure is reduced, so that improvement is needed.
Disclosure of Invention
The invention aims to provide an assembly type building and a control system thereof, which can improve the assembly efficiency and the heat exchange efficiency.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a fabricated building comprises a heater and a fabricated building, wherein the heater is communicated with the fabricated building, and air is heated by the heater and then sent into the fabricated building; the building comprises an assembled wall body, wherein the wall body comprises a transparent plate, a preheating pipe, a heat insulation layer, an outer bearing wall, a heat insulation layer, an inner bearing wall and a ventilation part; the transparent plate, the preheating pipe and the heat insulation layer are arranged on the outer surface of the outer bearing wall, the transparent plate is arranged outside the preheating pipe, the heat insulation layer is arranged on the inner side of the preheating pipe, and the heat insulation layer is arranged between the outer bearing wall and the inner bearing wall; the ventilation component is arranged on the inner surface of the inner bearing wall; an inlet at the upper part of the ventilation component is connected with a heater, a preheating pipe extends from the upper part to the lower part of the wall body, the preheating pipe is provided with a branch, an inlet of the branch extends into a room at the inner side of the wall body, and a fan is arranged at the inlet of the branch.
Preferably, the hot air from the heater is divided into two paths, wherein one path of the hot air enters the building, and the other path of the hot air enters the thermodynamic system; the thermodynamic system comprises an air inlet, a heat exchanger, an air pressure adjusting device, a pressure control device, a turbine, a water tank and a heat output device, wherein the air inlet is connected with the air pressure adjusting device, the air pressure adjusting device is connected with the heat exchanger, an air outlet at the upper end of the heat exchanger is connected with the turbine, a first pressure control device is arranged on a pipeline between the air outlet and the turbine, a hot water outlet at the lower end of the heat exchanger is connected with the water tank, a second pressure control device is arranged on a pipeline between the hot water outlet and the water tank, the water tank is connected with the heat output device, the heat output device is connected with the heat exchanger, and the turbine outputs electric energy or mechanical energy and can; the air outlet is connected with the heater, thereby forming a circulation.
Preferably, the air outlet at the upper part of the heat exchanger is provided with a temperature and/or pressure sensor for detecting the temperature and/or pressure of the discharged air, the air pressure regulating device and the temperature sensor are in data connection with a controller, and the controller automatically regulates the compression power of the air pressure regulating device according to the detected temperature and/or pressure so as to ensure that the temperature and pressure of the output air meet the requirements.
Preferably, the heat-insulating layer comprises heat-insulating mortar which comprises the following components in parts by weight: 20-280 parts of Portland cement, 7-9 parts of brucite fiber, 31-38 parts of expanded perlite, 0.1-0.3 part of hydroxypropyl methylcellulose, 0.05-0.15 part of polypropylene fiber, 0.5-0.9 part of calcium stearate, 18-25 parts of aerogel particles and 0.6-1.2 parts of auxiliary agent; the aerogel particles are prepared by spraying a surface modifier on the surfaces of the aerogel particles for surface modification treatment; the surface modifier comprises the following components in parts by weight: 0.8-1 part of sodium silicate aqueous solution, 0.3-0.8 part of organic silicon surfactant and 2-6 parts of water; the method comprises the steps of uniformly mixing a sodium silicate aqueous solution, an organic silicon surfactant and water to form a surface modifier, spraying the surface of the aerogel, or soaking aerogel particles in the surface modifier, and drying to obtain the aerogel particles.
A control method of an assembly type building is a control method for adjusting construction data of the assembly type building, and is characterized by comprising an importing module, an analyzing module, a generating module, an entering module, a project module and an adjusting module, wherein:
the import module is used for extracting the data of the BIM and importing the data into the system;
the analysis module comprises a calculation rule module, a space analysis module, a time analysis module, a process analysis module and a resource analysis module;
the calculation rule module is used for providing rules of spatial analysis, temporal analysis, resource analysis and process analysis;
the space analysis module is used for dividing the imported BIM model data into construction areas, judging the construction flow direction and judging the construction flowing water section according to the space analysis rule; determining the hoisting sequence of the components;
the time analysis module is used for determining a construction progress plan and corresponding quota resource allocation according to the time analysis rule;
the process analysis module is used for carrying out process analysis on the data of the BIM model to obtain the number of turnover tools;
the resource analysis module is used for obtaining the rated resource consumption according to the rated resource allocation and determining construction resources according to the resource analysis rules, the rated resource consumption and the number of turnover tools;
the generation module comprises a construction scheme generation module, a progress plan generation module, a resource plan generation module and a cost plan generation module;
the construction scheme generation module is used for generating a construction scheme according to the result of the space analysis module;
the progress plan generating module is used for generating a construction progress plan according to the result of the time analyzing module;
the resource plan generating module is used for generating a resource plan according to the construction progress and the result of the resource analyzing module;
the cost plan generating module is used for calculating a production cost plan according to the construction progress plan and the resource plan;
the input module comprises a real-time input module, a work and tool input module and a construction note input module;
the real-time recording module is used for providing a construction real-time recording interface and storing the construction real-time recording interface;
the tool and instrument recording module is used for providing a real-time recording interface of construction tools and instruments and storing the interfaces;
the construction note input module is used for providing a construction note input interface and storing the construction note input interface;
the project module comprises a project overall progress module, a project progress planning module and a project cost planning module;
the project overall progress module is used for comparing the actual construction condition input with the resource plan and displaying the actual construction condition in a chart form;
the project schedule planning module is used for comparing with a schedule planning route according to the recorded actual construction condition; and displayed in the form of a graph;
the project cost planning module is used for displaying project cost in a form of a chart;
and the adjusting module is used for adjusting the construction progress plan according to the actual engineering progress.
Preferably, the BIM model is a model formed by using a revit software modeling or a CAD drawing with corresponding graphic element distinction.
Preferably, the real-time entry interface includes a real-time entry form, and the real-time entry form includes the procedures arranged according to the areas, the start dates and the options thereof, the actual time, the end dates and the options thereof, and the remarks corresponding to the procedures, and provides entry operation.
Compared with the prior art, the invention has the following advantages:
1. according to the device, after the pressure of air is increased through the pressure adjusting device, the temperature of the air is increased, more heat exchange is carried out during contact type heat exchange with water, moisture in the air can be recovered, latent vaporization heat entering liquid circulating water is further increased, and the water heat recovery efficiency of the device is obviously improved compared with that of the traditional mode.
2. In the novel assembly type building, after high-pressure air does work through turbine heat insulation expansion, the pressure of an air outlet is atmospheric pressure, and the heat exchange efficiency is improved. The flow and pressure parameters of the circulating water pump are changed, and the spraying amount is controlled, so that the temperature of the circulating water outlet of the heat exchanger is adjusted. The temperature of the circulating water outlet can be adjusted within a certain range, and the control and the use of a user can be facilitated.
3. The invention provides a novel assembly type building wall body which is arranged on the non-bottom. Through the assembly of above-mentioned assembled wall body, through setting up devices such as transparent plate, preheater tube, can make the air that gets into the heater preheat earlier, reach the air conditioning effect, improved the degree of utilization rational utilization efficiency of solar energy.
4. Compared with the traditional wall body, the heat-collecting tube and the ventilation component are arranged in the wall body, so that the heat-carrying fluid can circularly flow in combination with the heater, the integral appearance of the building is kept, the industrial production can be realized, and the installation efficiency of the building wall body is improved.
5. According to the control system for the construction process of the assembly type building project, the imported BIM model data can be analyzed in space, time, process and resources, so that a construction scheme, a progress plan, a resource plan and a cost plan are formed for a project manager to refer, the construction scheme and construction deployment can be pushed, and the scheme with the optimal construction period, resource and cost is selected for construction; the later stage can provide the function of real-time input again, can form the contrast with the construction plan with the actual conditions of construction to supply the project manager to refer to, can in time adjust the construction plan.
Drawings
FIG. 1 is a schematic view of a novel modular building system for collecting air for water and heat exchange;
2-1, 2-2 are schematic views of wall structures of prefabricated buildings;
FIG. 3 is a detailed structural diagram of an integrated building system provided with a solar thermal system;
FIG. 4 is a detailed structural diagram of an integrated building provided with a solar thermal system;
fig. 5 is a schematic diagram of a thermodynamic system.
Wherein, 1, an air inlet, 2, an air pressure adjusting device, 3, a heat exchanger, 4, a demisting device, 5, a pressure control device, 6, a turbine, 7, an air outlet, 8, a defoaming device, 9, a first pump, 10, a heat output device, 11, a second pump, 12, a water intake, 13, a water tank, 14, a medicine feeding and water supplementing port, 15, a filtering device, 16 and a pressure control device,
17. the heater, transparent plate 18, preheating pipe 19, heat insulation layer 20, outer bearing wall 21, heat preservation layer 22, inner bearing wall 23, ventilation part 24, prefabricated building 25.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
Fig. 1 illustrates a prefabricated building system. As shown in fig. 1, the system includes a heater 17, a building 25, the heater 17 being in communication with the building 25, air being heated at the heater 17 and then being delivered to the building 25. The building includes fabricated walls as shown in fig. 2-1, 2-2.
The heater is preferably a solar collector.
As shown in fig. 2-1, the wall body comprises a transparent plate 18, a preheating pipe 19, a heat insulating layer 20, an outer bearing wall 21, an insulating layer 22, an inner bearing wall 23 and a ventilation part 24; the transparent plate 18, the preheating pipe 19 and the heat insulation layer 20 are arranged on the outer surface of the outer bearing wall 21, the transparent plate 18 is arranged outside the preheating pipe 19, the heat insulation layer 20 is arranged on the inner side of the preheating pipe 19, and the heat insulation layer 22 is arranged between the outer bearing wall 21 and the inner bearing wall 23; the ventilation component 24 is arranged on the inner surface of the inner bearing wall 23; the inlet at the upper part of the ventilation component 24 is connected with the heater 17, the preheating pipe 19 extends from the upper part to the lower part of the wall body, the preheating pipe is provided with a branch, the inlet of the branch extends into a room at the inner side of the wall body, and the inlet of the branch is provided with a fan.
As an option, the upper outlet of the preheating pipe 19 is connected with the heater 17. Preferably, the uppermost preheating pipe 19 is connected to the heater 17.
The fabricated wall of fig. 2-1 is not a wall located at the bottom of a building.
As another option, a wall located at the bottom of a building is included, as shown in fig. 2-2. The wall body comprises a transparent plate 18, a preheating pipe 19, a heat insulating layer 20, an outer bearing wall 21, a heat insulating layer 22, an inner bearing wall 23 and a ventilation part 24; the transparent plate 18, the preheating pipe 19 and the heat insulation layer 20 are arranged on the outer surface of the outer bearing wall 21, the transparent plate 18 is arranged outside the preheating pipe 19, the heat insulation layer 20 is arranged on the inner side of the preheating pipe 19, and the heat insulation layer 22 is arranged between the outer bearing wall 21 and the inner bearing wall 23; the ventilation component 24 is arranged on the inner surface of the inner bearing wall 23; the upper inlet of the ventilation component 24 is connected with the heater 17, the preheating pipe 19 extends from the upper part of the wall body, and the lower part of the wall body is of a closed structure. The preheating pipe is provided with a branch, the inlet of the branch extends into the room on the inner side of the wall body, and the inlet of the branch is provided with a fan.
As an option, the upper outlet of the preheating pipe 19 is connected with the heater 17.
Through the matching of the two assembled walls, a solar energy system for supplying air to a building can be formed. Wherein the position of fig. 1-1 is at a non-bottom position and the position of fig. 1-2 is at a bottom position, in cooperation with each other.
The multi-parallel multi-user ventilation system is formed by matching two assembled walls.
Preferably, a valve is arranged at each branch inlet, and the air quantity circulated by each household can be controlled independently.
Preferably, the ventilation means may take the form of a grille.
Preferably, the ventilation means may also take the form of a bypass (not shown) similar to a pre-heater tube. The ventilation component also includes a branch that extends into the building. Preferably, the branch is provided with a valve, and the amount of air entering each household can be controlled independently.
Air in the heater enters the ventilation part 24 through an upper inlet of the ventilation part 24 after being heated, the ventilation part 24 supplies hot air to the interior of the building, so that a heating effect is achieved, then the air in the interior of the building enters a lower inlet of the preheating pipe 19 through the fan, then enters the preheating pipe, absorbs solar energy in the preheating pipe, rises in temperature, and then enters the heater 17 through an upper preheating pipe outlet to be heated, so that a circulating system is formed. Thereby providing an air conditioning effect.
Alternatively, the lower inlet of the preheating duct 19 extends to the outside of the wall body, and introduces the outdoor air into the preheating duct.
The preheating pipe absorbs solar energy, so that the fluid flows upwards, a natural convection effect can be formed, power devices such as a fan and the like are reduced, and noise is reduced.
Preferably, an auxiliary power device, such as a fan, may be provided. But now because of the natural convection effect, the power of the pump is greatly reduced, and the noise is reduced.
Preferably, a lens is arranged on the transparent plate 18 for focusing solar energy on the preheating tube. Through setting up lens, can focus the heat gathering to the preheater tube with shining the heat on the transparent plate to further improve the utilization efficiency of solar energy.
According to the invention, the transparent plate, the preheating pipe and other devices are arranged, so that air entering the heater can be preheated first, and the reasonable utilization efficiency of the solar energy utilization degree is improved.
Preferably, the ventilation member is a flat tubular member having a flat side parallel to the wall body and a plurality of ventilation openings formed in the flat side facing the wall body. The flat side of the flat tube is parallel to the wall body, so that the heat exchange surface of the flat side faces the interior of a building, and the heat utilization efficiency is improved.
Preferably, the vent is grille-like.
Preferably, the transparent plate is glass.
Preferably, the winter solar system carries out hot air conveying indoors.
Preferably, the ventilation member comprises an air inlet connected to the outside of the wall, the air inlet being provided with an external fan. The air inlet side is provided with a temperature sensor. In summer, the solar system stops carrying out hot air conveying indoors, the temperature is high in daytime and relatively low at night, when the temperature at night reaches a proper temperature, such as a proper temperature of a human body, for example, about 18-25 ℃, the temperature sensor transmits a received temperature signal to the controller, and the controller controls the external fan to start working and convey external low-temperature gas into a room for cooling. Therefore, the invention realizes the bidirectional regulation function of the indoor temperature in summer and winter, is economical and practical and meets the requirement of environmental protection.
As shown in fig. 1, the hot air from the heater is split into two paths, one path to the building and one path to the thermodynamic system. The thermodynamic system is shown in fig. 3. The thermodynamic system comprises an air inlet 1, a heat exchanger 3, an air pressure adjusting device 2, pressure control devices 5 and 16, a turbine 6, a water tank 13 and a heat output device 10, wherein the air inlet 1 is connected with the air pressure adjusting device 2, the air pressure adjusting device 2 is connected with the heat exchanger 3, an air outlet at the upper end of the heat exchanger 3 is connected with the turbine 6, the turbine 6 is connected with an air outlet 7, the first pressure control device 5 is arranged on a pipeline between the air outlet 7 and the turbine 6, a hot water outlet at the lower end of the heat exchanger 3 is connected with the water tank 13, the second pressure control device 16 is arranged on a pipeline between the hot water outlet and the water tank 13, the water tank 13 is connected with the heat output device 10, the heat output device 10 is connected with the heat exchanger 3, and the turbine 6 transmits energy to the air pressure adjusting device 2. Preferably, the air outlet 7 is connected to a solar collector 17. Thereby forming a cycle.
The invention firstly integrates water collection and air energy recovery, impurity removal and air power generation into a system, so that the air after solar energy recovery and impurity removal is directly used for power generation, and the generated electric energy can also be used as an energy source of an air pressure adjusting device of the system, thereby achieving the integrated water collection and heat recovery, impurity removal and air power generation system.
The condition that the temperature of hot air is low exists when the hot air in the solar energy is directly used for heat exchange power generation actually, the energy of the hot air is improved by arranging the compressor, on one hand, the redundant hot air is fully utilized, and on the other hand, the solar energy utilization efficiency is improved.
The thermodynamic system of the invention preferably uses conditions where the moisture content of the air is relatively high.
Preferably, the prefabricated building comprises a return air duct connected to the air inlet 1. Through connecting air inlet 1 between the return air pipe for the return air directly gets into heat exchanger and participates in the heat transfer, make full use of the heat of return air.
Preferably, the air inlet pipe of the building is connected with the ventilation component 24, the air inlet pipe is provided with a first valve 27, the air outlet pipe of the heater is provided with a second valve 26, the second valve is arranged at the downstream of the air inlet pipe of the building, and the quantity of hot air entering the building is controlled by controlling the opening degree of the first valve and the second valve.
A temperature sensor is arranged in the assembled building and used for detecting the temperature in the building, and when the detected temperature exceeds the expectation, the opening degree of the first valve is controlled to be reduced, and the opening degree of the second valve is controlled to be increased. When the detected temperature is lower than expected, the opening degree of the second valve is controlled to be reduced, and the opening degree of the first valve is controlled to be increased. Through automatically regulated, guarantee that indoor temperature is balanced, also guarantee simultaneously that more solar energy is by make full use of.
Preferably, the end of the connecting pipeline is connected with a spraying device, and the connecting pipeline of the air pressure adjusting device 2 and the heat exchanger 3 extends into the heat exchanger and is positioned at the lower part of the spraying device. Spray through spray set makes air and water carry out the intensive mixing heat transfer, improves the heat transfer effect.
Preferably, a filtering device 15, a dosing water replenishing port 14 and a water intake port 12 are arranged in the water tank 13, and the dosing water replenishing port and the water intake port are arranged at the lower part of the filtering device.
Preferably, a circulating water pump 11 is arranged on a pipeline between the water tank and the heat output device, and a circulating water pump 9 is arranged on a pipeline between the heat output device and the heat exchanger.
Preferably, the air pressure regulating device 2 comprises a compressor. After the pressure of the wet air is increased through the pressure adjusting device, the air temperature is increased, the air is changed from a low-temperature state at an inlet into a high-temperature state, more water can be condensed when the air is in contact type heat exchange with water, the latent heat of vaporization entering liquid circulating water is further increased, and the water heat recovery efficiency of the device is obviously improved compared with that of the traditional mode.
According to the utilization method of the solar heat pump shown in fig. 2, hot air of a heater enters an air pressure regulating device through an air pipeline to be changed into high-temperature and high-pressure air, then the high-temperature and high-pressure air is introduced into a heat exchanger to perform direct contact type heat exchange with circulating water, wherein sensible heat is released by cooling the air, and latent heat of vaporization is further released after water vapor in the air reaches a saturated state, so that the latent heat of vaporization of the air is recovered; the circulating water exchanges heat with air in a contact manner in the heat exchanger, the heated circulating water flows back to the water tank, after the processes of filtering and dosing reaction, the circulating water is pressurized by the circulating water pump and then is pumped to the heat output device to release heat, and the cooled circulating water enters the heat exchanger to be sprayed to complete circulation after being pressurized by the circulating water pump; the cooled saturated wet air passes through the demisting device and the defoaming device to remove fog drops with larger particle sizes, then enters the turbine, pushes the turbine impeller to rotate by means of the expansive force of high-pressure gas, drives the generator to generate power or outputs mechanical energy to coaxially drive the fan motor to do work, and finally enters the heater to be circularly heated in a normal pressure state.
Preferably, the air pressure adjusting device 2 may be a pressure transmitting device such as an air compressor. Because the moisture content in the air is possibly high, the modes of coating corrosion prevention, material corrosion prevention and the like can be adopted. The power of the compressor can be called for adjusting the pressure parameters of the system. The power of the pressure adjusting device can be adjusted according to actual needs, so that the delivered air pressure can be changed according to needs. For example, when the sensed pressure and temperature of the output air in the heat exchanger is below a predetermined pressure and temperature, the system intelligently adjusts the delivered power so that the output air pressure is increased, thereby ensuring that the pressure and temperature entering the turbine 6 meet the power generation requirements.
Preferably, a temperature and/or pressure sensor is arranged at an air outlet at the upper part of the heat exchanger 3 and used for detecting the temperature and/or pressure of the discharged air, the air pressure adjusting device 2 and the temperature sensor are in data connection with a controller, and the controller automatically adjusts the compression power of the air pressure adjusting device 2 according to the detected temperature and/or pressure, so that the output air temperature and pressure can meet the power generation requirement.
Preferably, the turbine 6 is in data connection with a controller, which controls the amount of energy delivered by the turbine 6 to the compressor 2 to control the compression power of the air pressure regulating device 2.
Preferably, when the detected air temperature is lower than the set temperature and/or pressure lower limit, the controller controls the compression power of the air pressure adjusting device 2 to be increased, thereby increasing the temperature and pressure of the air introduced into the heat exchanger 3.
Preferably, when the detected air temperature is higher than the set temperature and/or pressure upper limit, the controller controls the compression power of the air pressure adjusting device 2 to be reduced, thereby reducing the temperature and pressure of the air introduced into the heat exchanger 3. By such arrangement, on one hand, more electric energy can be transmitted and utilized by the turbine 6, and more energy can be subjected to heat exchange in the heat exchanger 3, so that the user needs can be better met.
By controlling the compression power of the air pressure adjusting device 2 according to the temperature and the pressure of the air at the outlet of the heat exchanger 3, the pressure and the temperature of the air entering the turbine 6 can be ensured to meet the power generation requirement, and more electric energy can be output and the heat supply requirement of a user can be met.
Preferably, the first pump 9 is in data connection with a controller, which controls the power of the first pump 9 in dependence of the air outlet temperature at the upper part of the heat exchanger 3.
Preferably, a temperature and/or pressure sensor is arranged at an air outlet at the upper part of the heat exchanger 3 and used for detecting the temperature and/or pressure of the discharged air, the first pump 9 and the temperature sensor are in data connection with a controller, and the controller automatically adjusts the compression power of the first pump 9 according to the detected temperature and/or pressure, so that the temperature and pressure of the output air can meet the power generation requirement.
Preferably, the turbine 6 is connected to the first pump 9 for supplying electrical energy to the first pump 9, and the turbine 6 is in data connection with a controller for controlling the amount of energy supplied by the turbine 6 to the first pump 9 for controlling the power of the first pump 9.
Preferably, when the detected air temperature is lower than the set temperature and/or pressure lower limit, the controller controls the first pump 9 to decrease the power, thereby reducing the amount of the heat sink entering the heat exchanger and increasing the temperature and pressure of the air output from the heat exchanger 3.
Preferably, when the detected air temperature is higher than the set upper temperature and/or pressure limit, the controller controls the power of the first pump 9 to be increased, thereby increasing the amount of the cold source entering the heat exchanger, and thus decreasing the temperature and pressure of the air output from the heat exchanger 3. By such arrangement, on one hand, more electric energy can be transmitted and utilized by the turbine 6, and more energy can be subjected to heat exchange in the heat exchanger 3, so that the user needs can be better met.
By controlling the size of the first pump 9 according to the temperature and the pressure of the air at the outlet of the heat exchanger 3, the pressure and the temperature of the air entering the turbine 6 can meet the power generation requirement, and more electric energy can be output and the heat supply requirement of a user can be met.
Preferably, the heat exchanger 3 is a direct contact heat exchanger, and a gas-liquid contact reaction apparatus such as a spray column, a plate column, or a packed column can be used. The wet air enters the reaction tower from the middle part of the reaction tower and leaves the reaction tower from the top of the reaction tower; circulating water enters the reaction tower from the upper part of the reaction tower and leaves the reaction tower from the bottom of the reaction tower.
As a modification, the heat exchanger 3 is provided with a horizontal baffle extending over the entire cross-section of the housing of the heat exchanger 3, the baffle being arranged between the shower and the air inlet of the heat exchanger, the baffle being provided with fluid openings through which the air flows upwards while the water flows downwards from below.
According to the invention, the baffle is arranged, so that the sprayed fluid and air can stay on the baffle for more time, and the heat exchange time is prolonged. Meanwhile, gas and liquid can be subjected to concentrated heat exchange in the fluid holes, and the occurrence of a heat exchange short circuit area is avoided.
Preferably, the baffle is provided in plurality. Through a plurality of baffles, fluid flows out of the baffles through the fluid holes, enters the next baffle space, stays for more time between the baffles, and continues to exchange heat. The heat can be fully and continuously utilized.
Preferably, the uppermost and lowermost baffles have a non-uniform distribution of fluid hole distribution density. The distribution density of the through-flow holes is increasing from the centre of the uppermost and lowermost baffle to the location where the baffles are connected to the shell of the heat exchanger 3. Because the fluid distributed in the center is the most and the fluid distributed from the center to the outside is reduced no matter the spray head is in spraying or air input, the fluid holes are unevenly distributed, so that the fluid holes can be evenly distributed in the process of flowing upwards and downwards through the fluid holes, and the damage caused by overhigh local temperature is avoided.
Preferably, the distribution density of the through-flow holes increases from the center of the baffle plate to the connecting position of the baffle plate and the shell. Through the arrangement, the requirement of uniform fluid distribution can be further met.
Preferably, the horizontal baffle plates are of two types, the first type is that the distribution density of the through holes is increased from the center of the baffle plate to the edge of the baffle plate (the connecting position of the baffle plate and the heat exchanger shell). In the second type, the distribution density of the through-flow holes is reduced from the center of the baffle to the edge of the baffle (the position where the baffle is connected with the housing). A plurality of parallel baffles are arranged along the height direction, and the types of the adjacent baffles are different. The baffles are formed into baffle-like forms by arranging adjacent baffles to be different in type. The fluid flow in the center or around of the previous baffle is the largest, and after the fluid flows into the next baffle, the fluid needs to flow to the around or the center, so that the flow path of the fluid is increased, the fluid can be fully contacted with the heat exchange component, and the heat exchange effect is improved.
Preferably, the uppermost and lowermost baffles are of the first type.
Through setting up the baffle, also can make more the dissolving in aqueous of particulate matter in the air, reduce the pollution of exhaust.
Preferably, the baffle members are metallic members. The metal piece is arranged to play a role in enhancing heat transfer.
Preferably, the spacing between adjacent baffles increases from the lower portion to the upper portion and then begins to decrease at a certain location.
The certain position is preferably an intermediate position between the shower and the heat exchanger air inlet.
Through the setting, the air temperature of the air inlet is the highest, and the number of the lower baffles is the largest through the continuous increase of the distance between the baffles, so that the air between the lower baffles and the water exchange is more sufficient. Similarly, because the temperature of shower water is the lowest, constantly increases through the interval between the water flow direction baffle for upper portion baffle quantity is the most, makes more abundant heat transfer between the air between the baffle on upper portion and the water. Through foretell setting for satisfy the heat transfer effect against current more between the above-mentioned heat exchanger, make the heat exchange efficiency between two entrances the highest, heat transfer time is the longest, and for normal heat transfer effect against current, the heat transfer effect is better, can further improve heat exchange efficiency.
Preferably, the spacing between adjacent baffles increases with increasing magnitude from the lower portion to the upper portion, and then begins decreasing with increasing magnitude at a certain location. The amplitude of the structure is also the result of a large number of experiments and numerical simulation, and the heat exchange efficiency is further improved by about 7%.
Preferably, in order to prevent air from flowing out through the bottom pipeline of the heat exchanger, a certain liquid level height is required to be kept in the reaction tower as a liquid seal, and the liquid level height is the distance from the liquid level of the cooling water to the second pressure control device and can be set to be 1 m. At this time, the second pressure control device sets the pressure parameter as the difference between the positive pressure value in the heat exchanger and the liquid level height water head.
Preferably, the heat exchanger 3 is made of a pressure-resistant material such as stainless steel because the temperature of the air flowing through the heat exchanger is high and the internal pressure of the air is higher than the pressure of the external environment. The pressure in the heat exchanger is the sum of the supercharging amount of the air pressure adjusting device and the ambient pressure, and can be adjusted and controlled through pressure control devices arranged at an upper side air outlet and a lower side cooling water outlet of the heat exchanger.
Preferably, the demister 8 and demister 4 are arranged above the interior of the heat exchanger 3 for filtering out liquid droplets entrained with the air. The defoaming device can be a silk screen defoaming device and a demisting device can be a baffle plate type demisting device.
Preferably, a demister 8 and a demister 4 are arranged in the heat exchanger 3, the demister 4 is arranged above the demister 8, and a connecting line between the heat output device 10 and the heat exchanger 3 extends into the heat exchanger 3 and is arranged below the demister 8. Because recirculated cooling water adopts the form of spraying to get into heat exchanger, inside air is with the cooling water reverse contact and the velocity of flow is higher, and accessible defogging device is fixed with the entrapment of defoaming device to large granule liquid drop.
The second pump 11 is used for raising the pressure of the circulating water in the pipeline. The pressure provided by the first pump 9 is used for ensuring the working state of a spraying device, preferably a nozzle in the heat exchanger 3, and the pressure and flow parameters are determined by the spraying working condition of the nozzle. The pressure provided by the second pump 11 is used for ensuring the flowing heat exchange state of the circulating water in the heat output device 10, and the pressure, the temperature and the flow parameters are fed back and adjusted by the thermodynamic calculation result of the heat output device. The thermodynamic calculation is calculated by the gas-liquid energy balance of the heat exchanger 3.
The pressure control device 5 and the pressure control device 16 are used for controlling pressure parameters in the heat exchanger, and can be selected from a self-standing pressure regulating valve or a digital pressure regulating valve. Because the system is continuously air inlet, the intermittent pressure control is carried out by utilizing a self-standing pressure regulating valve or a digital pressure regulating valve. The pressure regulating valve adopts a post-valve decompression mode, and the pressure control value is consistent with the set value of the air pressure regulating device. When the pressure in the heat exchanger is lower than a set value, the regulating valve is in a closed state, the boosted air is enriched in the heat exchanger, and the internal pressure is gradually increased; when the pressure in the heat exchanger is higher than a set value, the regulating valve is in an open state, air leaves the heat exchanger through the regulating valve, the internal pressure is gradually reduced, the regulating valve is reset, and the closed state is finally recovered.
The heat output device 10 is a user-side heat utilization device, and can adopt a common heat exchange mode to utilize the heat of circulating water. This example uses a domestic radiator heating process as the heat utilization device. The radiator can be used for heating of prefabricated buildings, such as fig. 4, and also for heating of other buildings, such as fig. 3.
The water tank 13 is used for storing circulating water of the system and has a buffering effect, and meanwhile, the running temperature of the system can be adjusted by controlling the flow of the circulating water. After gas-liquid heat exchange is carried out on the circulating water in the heat exchanger 3, the circulating water flows into the lower water tank 13 under the action of pressure in the tower. As trace impurities, particles and the like in the air are dissolved in the circulating water during the operation of the system, the trace impurities, the particles and the like are enriched in the circulating water after long-term operation, and a water treatment device and a filtering device are required to be arranged in the water tank.
The dosing water replenishing port 14 is arranged at the bottom of the water tank 13 and used for feeding impurity treatment agents, and dosing modes such as timed feeding, continuous feeding and the like can be adopted.
The water intake 12 is also arranged at the bottom of the water tank 13, and the system can extract water vapor in the air to enter circulating water, so that the quality balance of the original water in the system can be broken by long-term operation, and the recovered water needs to be extracted. Meanwhile, the water intake 12 can also be used for discharging circulating water in the water tank 13.
The filtering device 15 is located inside the water tank 13 and is used for filtering particulate matters or precipitated matters with larger particle sizes.
A solar energy air source thermal work method comprises the following steps: air heated in the heater, particularly wet air, enters the air pressure adjusting device 2 to adjust air pressure parameters, so that the air pressure can be increased, the air temperature is increased along with the increase of the air temperature, then the air is introduced into the heat exchanger 3, the air and circulating water are subjected to direct contact type heat exchange, the air is cooled to release sensible heat, and water vapor in the air further releases latent heat of vaporization after reaching a saturated state. The pressure control device 5 is arranged above the heat exchanger 3, and the pressure control device 16 is arranged below the heat exchanger 3 and used for controlling the pressure in the heat exchanger 3 to be stable. The cooled saturated wet air passes through the demisting device 4 and the demisting device 8 to remove fog drops with larger particle sizes, then enters the turbine 6, pushes the turbine impeller to rotate by means of the expansion force in the gas pressure release process, drives the generator to generate power or outputs mechanical energy to coaxially drive the fan motor to do work, and finally enters the heater to be circularly heated in a normal pressure state. The circulating water and air carry out contact heat exchange in the heat exchanger 3, the circulating water after heating flows back to the water tank 13 under the action of pressure, and after processes such as filtration, dosing reaction and the like, the circulating water is pressurized in the circulating water pump 11 and then is pumped to the heat output device 10 to release heat. The cooled circulating water is pressurized by the first pump 9 and then enters the heat exchanger 3 to be sprayed to complete circulation.
After the saturated humid air is boosted by the air pressure adjusting device, the water vapor in the humid air is changed into a superheated state from a saturated state, and the dew point temperature of the humid air is increased along with the increase of the pressure. Because the temperature of the circulating water is far lower than that of the superheated air, after the gas and the liquid are directly contacted, the superheated air is cooled to the saturation temperature of the vapor under the pressure, and the sensible heat of the air is released in the process; the saturated air is further cooled and released heat by the gas-liquid temperature difference, and sensible heat of dry air components and latent heat of vaporization of water vapor are released in the stage.
Due to the increase in the dew point of the humid air, the amount of condensable water condensed to the same temperature is increased as compared to the conventional normal pressure contact condenser. Therefore, the recovery of the water vapor in the humid air can be realized.
The atomized circulating water drops and the small-particle-size condensed water drops can be used as crystal nuclei to adsorb impurity gas molecules and particles in the air, the diffusion effect is further promoted under the pressurization effect, and the adsorption capacity is enhanced. After the temperature is reduced, the air leaves the heat exchanger and enters the turbine, and the fan motor is driven to do work by expandable power generation or output mechanical energy coaxially. The temperature of the air after the pressure release to the normal pressure is further lowered. The circulating water absorbs the sensible heat of air and the vaporization latent heat of water vapor in the contact process, the temperature of the circulating water is increased, and the circulating water is used as an output heat source to supply heat to the outside after leaving the heat exchanger.
The second pump is used for increasing the pressure of circulating water in the pipeline, and a centrifugal pump can be adopted. The pressure provided by the first pump is used for ensuring the working state of the nozzles in the air-water heat exchanger, and the pressure and the flow parameters are determined by the spraying conditions of the nozzles. The pressure provided by the second pump is used for ensuring the flowing heat exchange state of circulating water in the heat output device, and the pressure and flow parameters are determined by the thermodynamic calculation result of the heat output device.
The pressure control device is used for controlling pressure parameters in the air-water heat exchanger and selects a self-supporting pressure regulating valve.
The water tank is positioned below the air-water heat exchanger and the pressure control device, is used for storing circulating water of the system, plays a role in buffering, and can adjust the operating temperature of the system through the flow of the circulating water. Circulating water is subjected to gas-liquid heat exchange in the air-water heat exchanger and then flows into a lower water tank under the action of pressure in the tower. As trace impurities, particles and the like in the air are dissolved in the circulating water during the operation of the system, the trace impurities, the particles and the like are enriched in the circulating water after long-term operation, and a water treatment device and a filtering device are required to be arranged in the water tank. The bottom of the water tank is provided with a dosing water replenishing port and a water intake port.
The dosing water replenishing port is arranged at the bottom of the water tank and used for feeding impurity treatment agents in a timed dosing mode. The water intake is also arranged at the bottom of the water tank and is used for extracting the water recovered by the system and discharging the circulating water in the water tank. The filtering device is positioned inside the water tank and used for filtering particulate matters or precipitated substances with larger particle sizes.
The principle of the existing vapor mechanical recompression (MVR) technology or air recompression heat pump (VRC) can be summarized as compressing the secondary vapor generated by the evaporator by a compressor to increase the pressure and temperature thereof, increasing the enthalpy, and then using the secondary vapor as the heat source of the evaporator, so as to fully utilize the latent heat in the secondary vapor, thereby achieving the purpose of energy saving. Compared with the two compression type energy upgrading devices, the invention has the following innovation points:
(1) air is used as a heat-carrying working medium, latent heat of vaporization of water vapor in the air is used as a low-temperature heat source, processes such as energy upgrading, moisture recovery and impurity treatment are carried out on an air source heat pump, and the device has the effects of energy conservation and environmental protection.
(2) The dew point temperature of the compressed air is increased, the amount of water separated out from the air is increased, the water in the air can be effectively extracted through the gas-liquid contact type heat exchanger, the investment of condensing equipment can be saved compared with the existing two-form device, and the cost of the system is reduced.
(3) Compared with an indirect heat exchange mode, the contact heat exchange can effectively reduce the end difference of the heat exchanger, effectively improve the outlet temperature of the heat absorbing medium and has more obvious energy upgrading effect.
(4) After heat exchange, air is released to push the impeller to do work, gas expansion force is converted into mechanical energy to drive the generator to generate electricity or output mechanical energy to coaxially drive the fan motor to do work, and finally the air enters the heater to be circularly heated in a normal pressure state, so that the gradient effective utilization of energy is further realized.
In the whole process of the system, the utilization of air heat energy, the recovery of moisture in the air and the capture of impurity components can be realized, and the system has extremely strong engineering practice significance.
The fabricated building comprises the wall body, and the application further discloses a fabricated building construction data adjusting and controlling system. The assembly type building construction data adjustment control system is characterized by comprising an importing module, an analyzing module, a generating module, an entering module, a project module and an adjusting module, wherein:
the import module is used for extracting the data of the BIM and importing the data into the system; the BIM model is a model formed by using a revit software modeling or a CAD drawing with corresponding graphic element distinction.
The analysis module comprises a calculation rule module, a space analysis module, a time analysis module, a process analysis module and a resource analysis module;
the calculation rule module is used for providing rules of spatial analysis, temporal analysis, resource analysis and process analysis;
the spatial analysis rules in the calculation rule module comprise construction area division rules, construction flow direction judgment rules, construction flowing water section judgment rules and component hoisting sequence determination rules.
The division rule of the construction area is as follows:
(1) selecting a construction range, namely selecting the construction range on a construction general plane;
(2) dividing the construction range into a construction area according to the building area of 500-600 square meters;
(3) two or more buildings are in a construction range, when one building is selected as an independent construction area, the values are used for judging, if the values are within the range, the judgment is carried out, and if the values exceed the range, the judgment on whether the values are available is carried out manually;
(4) when two or more buildings are used as a construction range, the number of construction areas needs to be selected, the area of the areas is calculated according to the following formula, and whether the requirements are met is judged;
(5) and determining the division mode of the construction area.
Figure 44746DEST_PATH_IMAGE001
Wherein: n-number of regions (integer)
A-one standard floor building area (square meters);
the construction flow direction judgment rule is as follows:
(1) determining the construction flow direction according to the axis direction;
(2) determining the construction flow direction according to the size sequence of the building numbers;
(3) and (4) manually selecting.
Construction flow section judgment rule: dividing a construction area into two flowing water sections;
(1) firstly, dividing the position of a central line (evenly divided according to the building area) of a standard floor plan into two sections;
(2) one side of the elevator shaft or the staircase is provided, and the wall boundary of the elevator shaft or the staircase which flows to one side in reverse construction is divided;
(3) one side of the non-elevator shaft extends out of a span along the construction flow direction;
(4) the boundary lines respectively extend to an axis of the middle position and are connected along the longitudinal axis;
(5) in addition, the region division function needs a manual adjustment function, so that the division is more reasonable.
The component hoisting sequence determination rule is as follows:
the hoisting sequence of the vertical members is as follows: vertical external wall panel hoisting-PCF panel hoisting-internal wall hoisting
The wall boards at the stairwell are hoisted after all vertical components in the whole area are hoisted, and the hoisting sequence opposite to the default sequence is added in the manual adjustment function items for hoisting the vertical components.
The hoisting sequence of the horizontal members is as follows: composite slab hoisting-balcony and air-conditioning slab hoisting-stair board hoisting
The vertical external wall panel hoisting rule is as follows:
(1) a starting point is determined. The first flowing water section is opposite to the flowing direction and is close to the elevator room of the staircase;
(2) an end point is determined. Ending when a boundary of the second stream segment is encountered;
(3) the first partition is hoisted in the anticlockwise direction, and the second partition is hoisted in the clockwise direction.
The PCF plate hoisting rule is as follows:
(1) the hoisting sequence is the same as that of the vertical external wall panel;
(2) and starting hoisting after meeting the first external corner, and stopping hoisting when meeting the boundary of the next flowing water section.
The hoisting rule of the inner wall is as follows:
(1) and hoisting the external wall panel to the position of the regional boundary according to the hoisting sequence of the external wall panel.
The hoisting rule of the laminated slab is as follows:
(1) hoisting according to the construction flow direction;
(2) the first plate is a plate close to one side of the elevator shaft and in the construction popular starting direction;
(3) and hoisting the wall gradually along the transverse axis, turning to adjacent spans when the wall meets the requirement, and hoisting the wall gradually along the transverse axis. (or the vertical direction (the span between two adjacent axes) and the horizontal direction are mutually alternated to form the S-shaped trend for hoisting.)
(4) Automatically neglected when encountering a cast-in-place structure.
The stair hoisting rule is as follows:
hoisting from left to right in sequence.
The construction sequence of the cast-in-place procedure is as follows;
the construction of the steel bars and the templates at the node parts is consistent with the hoisting sequence of the vertical members;
the sequence of the erection of the supports is consistent with the hoisting sequence of the laminated slabs;
all the core barrels (staircases and elevator shafts) in the construction area are constructed simultaneously, and the construction is independent of the hoisting process.
The time analysis rules in the calculation rule module comprise standard layer progress rules, workload calculation rules, time-space conflict rules, automatic adjustment rules and manual adjustment rules.
The standard layer progress rule comprises four standard layer progress plans of 6 days, 7 days, 8 days and 9 days and quota resource allocation corresponding to the four standard layer progress plans.
The work amount calculation rule includes calculation formulas of construction time of various members.
The space-time conflict rule is as follows: when the floor schedule plan is automatically generated according to the actual workload and the floor schedule is manually adjusted, the following rules are followed by the time-space relationship coordination check:
(1) when the time length is changed, the position of the starting point of each process according to the standard progress cannot be changed;
(2) the starting point is at a position more than half of the time of the last process (taking 0.5 day as an adjustment unit), namely: only one procedure can be carried out in one construction section;
(3) three or more processes cannot be overlapped at the same time point;
(4) the same process cannot produce lap joints, i.e.: the intermittent time is more than or equal to zero;
(5) when the adjustment progress conflicts, a prompt is required and the adjustment is allowed to be carried out afterwards.
The automatic adjustment rule is as follows:
(1) calculating the duration according to a formula;
(2) automatically generating a floor schedule according to a time-space conflict rule;
(3) and (5) calculating the floor construction period.
The manual adjustment rule is:
(1) the duration of the process is changed according to the formula
(2) The change of duration and tempo also follow the rules of spatiotemporal collision.
A resource analysis module: the system comprises a space analysis module, a time analysis module, a quota resource calculation rule and a resource allocation module, wherein the space analysis module is used for determining quota resource allocation;
a spatial analysis module: the BIM data processing system is used for dividing construction areas, judging construction flow directions and judging construction flow sections for the imported BIM model data according to a spatial analysis rule; and determining the hoisting sequence of the components.
A time analysis module: the system is used for determining a construction progress plan and corresponding quota resource allocation according to the time analysis rule;
the time analysis rule module comprises a standard layer progress selection module, an actual workload calculation module and a construction period adjustment module;
the standard layer progress selection module is used for determining a standard construction period according to the contract construction period and the standard layer progress rule;
the actual working capacity calculating module is used for calculating the actual construction period according to the BIM model data;
a construction period adjusting module: and if the actual construction period exceeds 20% of the standard construction period, setting the actual construction period as a construction period, and determining a construction progress plan and corresponding quota resource allocation according to the time analysis rule.
An actual work amount calculation module: the system is used for calculating the actual construction period according to the BIM model data;
a construction period adjusting module: if the actual construction period exceeds 20% of the standard construction period, setting the actual construction period as a construction period, and determining a construction progress plan and corresponding quota resource allocation according to a time-space conflict rule, an automatic adjustment rule or a manual adjustment rule;
a process analysis module: the method is used for carrying out process analysis on the data of the BIM model to obtain the number of turnover material tools;
a resource analysis module: and the construction resources are determined according to the resource analysis rules, the rated resource usage and the number of the turnover tools.
The generation module comprises a construction scheme generation module, a progress plan generation module, a resource plan generation module and a cost plan generation module;
the construction scheme generation module is used for generating a construction scheme according to the result of the space analysis module;
the construction scheme comprises the following steps on a BIM model:
(1) large partition and large partition flow direction;
(2) the running water section and the running water section trend;
(3) hoisting the components;
(4) the construction design of template, support, pylon, interim support.
The progress plan generating module is used for generating a construction progress plan according to the result of the time analyzing module; the construction schedule is embodied in the form of a crosswalk diagram and provides a manual adjustment function.
The resource plan generating module is used for generating a resource plan according to the construction progress and the result of the resource analyzing module;
the resource plan includes:
(1) labor planning;
(2) a component machining plan;
(3) a turnover mold plan;
(4) large tool planning.
The cost plan generating module is used for calculating a production cost plan according to the construction progress plan and the resource plan;
the resource plan includes: the generation rule of the production cost plan is as follows:
Figure 824483DEST_PATH_IMAGE002
wherein: M-Total cost
P-unit price
Q is the amount of the compound.
Figure 783474DEST_PATH_IMAGE003
Cost under planned schedule (planned cost) Cs = planned completion list work volume × list contract price + equipment lease volume × lease price × number of days of schedule duration at calculation time + total price of amortized material once/percentage of calculation time to total schedule
The cost (actual cost) Ca under the actual work period condition = the actual completion list project amount × the list contract price + the number of leases of equipment × the lease price × the work period duration days at the calculation time + the total price of the amortized material for one time/the calculation time as a percentage of the total work period.
The input module comprises a real-time input module, a work and tool input module and a construction note input module;
the real-time recording module is used for providing a construction real-time recording interface and storing the construction real-time recording interface;
the real-time entry interface comprises a real-time entry form, the real-time entry form comprises all working procedures arranged according to the areas, starting dates and options thereof, actual time, ending dates and options and remarks thereof corresponding to all the working procedures, and entry operation is provided.
The tool and instrument recording module is used for providing a real-time recording interface of construction tools and instruments and storing the interfaces;
the real-time tool and instrument input interface comprises a real-time tool and instrument input form, the real-time tool and instrument input form comprises various tools and instruments distributed according to categories, and the quantity/dosage and option notes corresponding to the various tools and the instruments, and input operation is provided.
The construction note input module is used for providing a construction note input interface and storing the construction note input interface;
the construction note input interface provides a query function column, the query function column comprises an engineering id input column, an engineering name input column, a building seat id input column and a building seat number input column, query can be performed according to input query information, query results are displayed in a list mode and comprise remark information, content, engineering id, engineering name, building seat id and building seat number, and each line in the list provides modification and deletion function options.
The project module comprises a project overall progress module, a project progress planning module and a project cost planning module;
the project overall progress module is used for comparing the actual construction condition input with the resource plan and displaying the actual construction condition in a chart form;
the project schedule planning module is used for comparing with the schedule plan according to the recorded actual construction condition; and displayed in the form of a graph;
the project cost planning module is used for displaying project cost in a form of a chart;
and the adjusting module is used for adjusting the construction progress plan according to the actual engineering progress.
The invention also discloses a control system for the construction process of the assembly type building project comprising the front wall body, the system can analyze the space, time, process and resources of the imported BIM model data so as to form a construction scheme, a progress plan, a resource plan and a cost plan for a project manager to refer, can deduce the construction scheme and construction deployment, and selects the scheme with optimal construction period, resource and cost for construction; the later stage can provide the function of real-time input again, can form the contrast with the construction plan with the actual conditions of construction to supply the project manager to refer to, can in time adjust the construction plan.
The invention discloses an assembly type building project construction component management system which comprises a database module and a system menu module.
The database module is used for storing information.
The system menu module includes a parent directory item and basic information.
The parent directory project comprises three subdirectories of a project list, order export and order list planned progress.
The subdirectory item list corresponds to an item list module.
And the item list module acquires and displays target item information from the database module according to the input query information.
The item list module comprises an item query input field, a search operation and an addition operation, wherein the item query input field comprises an item number input field, an item name input field, an item state input field and options of the item number input field, the item name input field and the item state input field; the searching operation is used for searching in a database according to input query information and displaying a result; the adding operation is used for providing a newly added project information table, and after the newly added project information table is stored, the newly added project information is input into a database; the project information comprises project numbers, project names, start dates, completion dates, actual start dates, actual end dates, component hoisting start dates, single-layer areas, processing units, assembly rates and project states; the item list module also provides editing, deleting and checking building operations for each line of item information displayed.
The subdirectory order export corresponding order export module; the order export module comprises an order export input field and provides order detail export operation and order statistics export operation, wherein the order export input field comprises a project name input field and options thereof, a building number input field and options thereof, and a floor number input field and options thereof; the order detail exporting operation is used for searching in a database according to input exported order information and exporting searched order details from the database; and the order statistics derivation operation is used for searching in a database according to the input derived order information and deriving the searched order statistics from the database.
The sub-directory order list corresponds to an order list module, and the order list module is used for acquiring and displaying target order list information from a database according to input order list query information.
The target order list information comprises order numbers, project names, component numbers, component units, ordering time, expiration time, time difference, remarks, drawing indexes, approval, auditing and ordering.
The order list module comprises an order list inquiry input field and a search operation, wherein the order list inquiry input field comprises an order number input field, an order name input field, a component name input field and an order placing time input field; and the searching operation is used for acquiring and displaying target order list information from the database according to the input order list query information.
The parent directory basic information comprises two sub-directories of component information and a component detail table.
The subdirectory component information corresponds to a component information module, and the component information module is used for acquiring and displaying target component information from a database according to input component information query information.
The target member information includes a project number, a building seat number, a floor number, a member type, a member number, a circumference, a volume, and an area.
The component information module comprises a component information query input field, and provides searching operation and adding operation, wherein the component information query input field comprises an item code input field, a building code input field and a component number input field; the searching operation is used for acquiring and displaying target component information from a database according to input component information query information; and the adding operation is used for providing a newly added component information table, and after the newly added component information table is stored, the newly added component information is recorded into the database.
The subdirectory component detail table corresponds to a component detail table module, and the component detail table module is used for acquiring and displaying target component details from a database according to input component detail query information.
The target component details include item number, building seat number, floor number, component type, component number, perimeter, volume, area, drawing index, status, and notes.
The component detail table module comprises a component detail query input field, and provides a search operation and an addition operation, wherein the component detail query input field comprises an item code input field, a building code input field and a component number input field; the searching operation is used for acquiring and displaying target component details from a database according to input component detail query information; the adding operation is used for providing a new component detail table, and after the new component detail table is stored, the new component detail table is recorded into a database; the component detail table module also provides editing, deleting and two-dimension code inquiring operations for each row of displayed component details.
Although the present invention has been described with reference to the preferred embodiments, it is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (7)

1. A fabricated building comprises a heater and a fabricated building, wherein the heater is communicated with the fabricated building, and air is heated by the heater and then sent into the fabricated building; the building comprises an assembled wall body, wherein the wall body comprises a transparent plate, a preheating pipe, a heat insulation layer, an outer bearing wall, a heat insulation layer, an inner bearing wall and a ventilation part; the transparent plate, the preheating pipe and the heat insulation layer are arranged on the outer surface of the outer bearing wall, the transparent plate is arranged outside the preheating pipe, the heat insulation layer is arranged on the inner side of the preheating pipe, and the heat insulation layer is arranged between the outer bearing wall and the inner bearing wall; the ventilation component is arranged on the inner surface of the inner bearing wall; an inlet at the upper part of the ventilation component is connected with a heater, a preheating pipe extends from the upper part to the lower part of the wall body, the preheating pipe is provided with a branch, an inlet of the branch extends into a room at the inner side of the wall body, and a fan is arranged at the inlet of the branch.
2. A fabricated building as in claim 1, wherein the hot air from the heater is split into two paths, one path into the building and one path into the thermodynamic system; the thermodynamic system comprises an air inlet, a heat exchanger, an air pressure adjusting device, a pressure control device, a turbine, a water tank and a heat output device, wherein the air inlet is connected with the air pressure adjusting device, the air pressure adjusting device is connected with the heat exchanger, an air outlet at the upper end of the heat exchanger is connected with the turbine, a first pressure control device is arranged on a pipeline between the air outlet and the turbine, a hot water outlet at the lower end of the heat exchanger is connected with the water tank, a second pressure control device is arranged on a pipeline between the hot water outlet and the water tank, the water tank is connected with the heat output device, the heat output device is connected with the heat exchanger, and the turbine outputs electric energy or mechanical energy and can convey energy to the air pressure adjusting device; the air outlet is connected with the heater, thereby forming a circulation.
3. A fabricated building as claimed in claim 2, wherein the air outlet at the upper part of the heat exchanger is provided with a temperature and/or pressure sensor for detecting the temperature and/or pressure of the discharged air, the air pressure adjusting device and the temperature sensor are in data connection with a controller, and the controller automatically adjusts the compression power of the air pressure adjusting device according to the detected temperature and/or pressure, thereby ensuring that the temperature and pressure of the outputted air meet the requirements.
4. The assembly type building of claim 1, wherein the insulating layer comprises insulating mortar comprising the following components in parts by weight: 20-280 parts of Portland cement, 7-9 parts of brucite fiber, 31-38 parts of expanded perlite, 0.1-0.3 part of hydroxypropyl methylcellulose, 0.05-0.15 part of polypropylene fiber, 0.5-0.9 part of calcium stearate, 18-25 parts of aerogel particles and 0.6-1.2 parts of auxiliary agent; the aerogel particles are prepared by spraying a surface modifier on the surfaces of the aerogel particles for surface modification treatment; the surface modifier comprises the following components in parts by weight: 0.8-1 part of sodium silicate aqueous solution, 0.3-0.8 part of organic silicon surfactant and 2-6 parts of water; the method comprises the steps of uniformly mixing a sodium silicate aqueous solution, an organic silicon surfactant and water to form a surface modifier, spraying the surface of the aerogel, or soaking aerogel particles in the surface modifier, and drying to obtain the aerogel particles.
5. A control method of a fabricated building according to any one of claims 1 to 4, the method being a fabricated building construction data adjustment control method, characterized by comprising an import module, an analysis module, a generation module, an entry module, a project module, and an adjustment module, wherein:
the import module is used for extracting the data of the BIM and importing the data into the system;
the analysis module comprises a calculation rule module, a space analysis module, a time analysis module, a process analysis module and a resource analysis module;
the calculation rule module is used for providing rules of spatial analysis, temporal analysis, resource analysis and process analysis;
the space analysis module is used for dividing the imported BIM model data into construction areas, judging the construction flow direction and judging the construction flowing water section according to the space analysis rule; determining the hoisting sequence of the components;
the time analysis module is used for determining a construction progress plan and corresponding quota resource allocation according to the time analysis rule;
the process analysis module is used for carrying out process analysis on the data of the BIM model to obtain the number of turnover tools;
the resource analysis module is used for obtaining the rated resource consumption according to the rated resource allocation and determining construction resources according to the resource analysis rules, the rated resource consumption and the number of turnover tools;
the generation module comprises a construction scheme generation module, a progress plan generation module, a resource plan generation module and a cost plan generation module;
the construction scheme generation module is used for generating a construction scheme according to the result of the space analysis module;
the progress plan generating module is used for generating a construction progress plan according to the result of the time analyzing module;
the resource plan generating module is used for generating a resource plan according to the construction progress and the result of the resource analyzing module;
the cost plan generating module is used for calculating a production cost plan according to the construction progress plan and the resource plan;
the input module comprises a real-time input module, a work and tool input module and a construction note input module;
the real-time recording module is used for providing a construction real-time recording interface and storing the construction real-time recording interface;
the tool and instrument recording module is used for providing a real-time recording interface of construction tools and instruments and storing the interfaces;
the construction note input module is used for providing a construction note input interface and storing the construction note input interface;
the project module comprises a project overall progress module, a project progress planning module and a project cost planning module;
the project overall progress module is used for comparing the actual construction condition input with the resource plan and displaying the actual construction condition in a chart form;
the project schedule planning module is used for comparing with a schedule planning route according to the recorded actual construction condition; and displayed in the form of a graph;
the project cost planning module is used for displaying project cost in a form of a chart;
and the adjusting module is used for adjusting the construction progress plan according to the actual engineering progress.
6. The method of claim 5, wherein: the BIM model is a model formed by using a revit software modeling or a CAD drawing with corresponding graphic element distinction.
7. The method of claim 6, wherein: the real-time entry interface comprises a real-time entry form, the real-time entry form comprises all working procedures arranged according to the areas, starting dates and options thereof, actual time, ending dates and options and remarks thereof corresponding to all the working procedures, and entry operation is provided.
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