50 results about "Hydronics" patented technology

A roof top cooling unit has an evaporative cooling section that includes at least one evaporative module that pre-cools ventilation air and water; a condenser; a water reservoir and pump that captures and re-circulates water within the evaporative modules; a fan that exhausts air from the building and the evaporative modules and systems that refill and drain the water reservoir. The cooling unit also has a refrigerant section that includes a compressor, an expansion device, evaporator and condenser heat exchangers, and connecting refrigerant piping. Supply air components include a blower, an air filter, a cooling and / or heating coil to condition air for supply to the building, and optional dampers that, in designs that supply less than 100% outdoor air to the building, control the mixture of return and ventilation air.

A heat pump system is disclosed that utilizes a variable speed hydronics pump to selectively divert heat energy from a forced air heating system to a hydronics radiant heating system. By actively controlling the speed of the withdrawal of heat, the temperature of the forced air output may be maintained while maximizing the amount of heat delivered by the efficient hydronics system. The heat pump system also actively controls the blower of the forced air system. To reduce the frequency of the compressors cycling on and off, a tank may be used to store and dispense heat if the hydronics system is not of sufficient size.

The invention belongs to the technical field of water circulation of water conservancy projects and particularly relates to a distributed-type river basin water deficit calculating method based on terrain and soil characteristics. The method comprises the following steps: step1, processing basic data of an underlying surface of a river basin; step 2, counting grid terrain indices within basin perimeters; step 3, calculating soil characteristic parameters within the basin perimeters; step 4, quantitatively expressing distribution of river basin water deficit; and step 5, drawing cumulative distribution curves of river basin water deficit to acquire a calculating model of distributed-type river basin water deficit. when being applied to real-time flood forecasting, The distributed-type river basin water deficit calculating method based on the terrain and soil characteristics can substantially improve accuracy of flood forecasting and provide reliable scientific support for river basin flood-prevention early warning and the like. The distributed-type river basin water deficit calculating method based on the terrain and soil characteristics is not only suitable for a lumped-type hydrological model but also suitable for a distributed-type hydrological model and can effectively promote in-depth development of river basin hydrology science research.

The invention discloses a rice-fish symbiosis-aquaculture coupled complex planting and breeding system and a breeding method. The system is a new type separated rice-fish culture rice field-pond complex system, a plurality of functional units are communicated with each other by the aid of a novel water circulation technology, and a latticed long or square pond complex ecosystem is built. The method includes the steps: arranging water circulation system pipelines and performing water circulation by the aid of ditches or high-position ponds; setting up the complex planting and breeding system, building a rice field breeding system and an aquaculture system and mutually communicating the systems through water circulation of drainage pipelines or the ditches; performing accurate breeding and perfectly combining and complementing planting and breeding; performing biological integrated control and rice pest control by the aid of a rice-fish culture mode and spider group protection. The problems of over-fertilization, emission pollution, aquaculture industry sewage discharge and water source shortage are solved.

A compact modular heat distribution unit for a hydronic heating system connects to a hot water source, to supply and return pipes that lead to heating zones of the building, and, optionally, to an indirect water heater. The module is preferably assembled off-site in a factory setting to contain all components of a typical hydronic heating system except for a hot water source and the building heating pipes. The module includes heating zone distribution sub-modules for the different heating zones of the building. A three-dimensional frame supports the heating zone distribution sub-modules. The module may be used in any multi-zone system including hot water baseboards, hydronic radiant heat floor pipes, swimming pool heaters, ice melt systems or in any combination of these zones.

A modular manifold component for hydronic circulation systems includes a control conduit section adapted and constructed to receive any of a plurality of selectively actuatable fluid control mechanisms. The control conduit section has an inlet and an outlet. A return conduit section is secured to the control conduit section in fluid communication with the inlet of the control conduit section. A supply conduit section is secured to the control conduit section in fluid communication with the inlet of the control conduit section.

A stand assembly for hydronic circulation systems includes a fixed back portion. A selectively movable platform portion is connected to the back portion. The stand assembly is selectively movable between a folded shipping position and an unfolded installation position by selectively moving the platform portion.

The invention relates to the explosion-prevention and energy-saving field of the surface treatment of steel plate and the hot air thermo curing of coating, in particular to a method and a device for the inert gas hydronic heating and the curing of a colorful steel plate. The method comprises the following procedures: the coating is cured by heating in a hot-air curing oven; after fuel is burned, air is heated by flue gas through a heat exchanger and blown into a curing oven by a blast blower for heating band steel; the coating is cured; the fuel gas ratio of a burning furnace and a combustion furnace is controlled to control the oxygen content of waste gas below 12 per cent; the oxygen content of waste gas is automatically analyzed, which interlocks with an automatic air-flow control and an automatic alarm system; and an air knife is used for separating the gas in the oven to realize interlocking automatic control and automatic starting emergency. The device comprises a natural gas pipe line, the combustion furnace, the burning furnace, a combustion air pipe line, a heat interchanger, a circulating fan, a coating curing oven, an automatic analyzer for oxygen content, a temperature measuring equipment, a pressure measuring unit, a trip valve, the air knife and a interlocking control device. The fuel and the discharge amount of carbon dioxide can be saved in half. And in proportion as the fuel and the discharge amount is saved, the power consumption of a blower decreases.

Fan-folded panels are provided with longitudinal cuts or fold lines along an extended length of the panels to enable folding of edge sections of the panels into channel walls on either side of an intermediate panel section together forming a channel having a heat reflective surface inside the channel, the channel for insertion between two facing joists or studs so that tops of the channel walls are pushed up against a facing surface supported by the joists to form an air cavity between the facing surface and the channel acting as the radiant thermal barrier. A hydronic under floor heating pipe may be pre-installed attached to the facing surface supported by the joists or studs with the result that a proper air cavity is maintained with the radiant thermal barrier.

A heat pump system is disclosed that utilizes a primary compressor, a booster compressor, and a controlled heat exchanger heat exchanger fluidly connected between the boost compressor output and the primary compressor input. The controlled heat exchanger functions to reduce the temperature of the refrigerant entering the primary compressor, thereby allowing the booster compressor to operate for longer periods without overheating the primary compressor. Increasing compressor run times improves both the heat pump efficiency and extends the compressor lifespan. The heat energy may be diverted away from the primary compressor to a hydronics system for heating an indoor space. Additionally, heat energy may be withdrawn from the hydronics system to defrost the outdoor coil of the heat pump system. The periods of compressor inactivity may also be extended by withdrawing heat energy stored in a hydronics tank.

A double DX hydronic heating / cooling system includes a primary DX system for maintaining a primary interior fluid loop at a desired temperature range. Secondary DX sub-systems are operatively coupled to the primary interior fluid loop and are operable in either a heating mode or a cooling mode to provide independent control of interior air temperature in different spaces. Each sub-system includes a dedicated water pump to minimize power requirements for the system.

A highly efficient circulator system is provided, useful for hydronic systems, including both heating and cooling systems. The stand-alone circulator motor is controllable by input from certain sensors, preferably thermal sensors, which provide data enabling the controller of the brushless pump motor to vary its flow output to meet changes in systems loads. The circulator has a ceramic permanent magnet rotor, such as a ferrite, with an electronically, preferably sinusoidally, commutated, electro-magnetic stator controlling the input of electrical power.

The invention discloses a method for determining the temperature boundary of a bottom layer in soil hydrothermal coupling simulation, and relates to the technical field of water circulation in cold regions. According to the method, the influence of air temperature on the bottom soil temperature is considered, and after the soil temperature boundary changing along with time is adopted, the method can be suitable for simulating the soil temperature when the temperature of the bottom layer changes greatly along with time; The change of the bottom temperature of the calculation layer along with the temperature and the upper temperature is fully considered, and the calculation accuracy of hydrothermal coupling calculation is improved. Furthermore, soil temperature boundaries are set according to the calculation units; The method can be suitable for basin hydrological models of various scales, calculation boundaries can be specifically set according to soil temperatures of different basins of various regions, the problem that in an original hydrological model, changes of temperature boundaries of bottom layers in partitions are large can be effectively solved, and the calculation precision is improved while the parameter setting amount is reduced.

A hydronic heating system that includes a liquid-filled conduit and a combustion chamber enclosure having a plurality of panels that define a combustion chamber for the combustion of fuel to generate heat. At least one of the panels and a portion of the liquid-filled conduits are integrally formed together. The at least one panel absorbs heat generated in the combustion chamber and transfers the absorbed heat to the liquid in the conduit. The heated liquid may be transferred to a remote location where the heat is removed from the liquid using a heat exchanger. The at least one panel and the portion of the liquid-filled conduit may be integrally formed using a moldable material such as a ceramic fiber and a binder, and molded using such processes as compression molding or vacuum molding. The use of moldable may reduce condensation in or around the combustion chamber enclosure.

A self-adjusting balance valve controller controls water flow through a hydronic emitter in a heating and / or cooling temperature control system. The valve controller obtains a measured temperature differential between an inlet and an outlet of the hydronic emitter and determines a displacement of a coupling pin from the measured temperature differential. The valve controller then instructs a driving mechanism to move, through a coupling mechanism, the coupling pin to adjust a valve that results in a desired water flow through the hydronic emitter. The valve controller may maintain a stable temperature differential at a desired differential value, which may be obtained through a user interface or from a memory device. Moreover, the desired differential value may vary with different times of operation or temperature control situations.

A wooden-cabinet for air conditioning system including a cabinet for housing an air conditioning system wherein the cabinet is depicted in the form of a fireplace or a wood mantel, and the cabinet is preferably made of wood material. The cabinet preferably houses the indoor unit of the air condition system and includes heat pumps, split type heat pumps, split-HVAC, hydronic based heating systems and like. The cabinet comprise a substantially rectangular shaped enclosure having the air inlet, air outlet, components of air condition system, control unit etc. The faux fireplace cabinet comprises an illustrative model of a fireplace defined on the front side of the cabinet.

Vertical hydronics cultivation equipment including a vertical flow path formation opposed panel retained by a frame body. The vertical flow path formation opposed panel includes a pair of plates that are parallelly opposed to each other and a block section blocking both sides of the plate. The pair of plates have therebetween a nutrient solution flow path that has a predetermined width in a horizontal direction to the floor face and that extends in a vertical direction to the floor face. The vertical flow path formation opposed panel has a plurality of retention holes through which the plant retention member is inserted. The frame body includes a nutrient solution tank, a spray bar, a hollow connecting member connecting the spray bar to the outlet of the nutrient solution tank, a gutter for guiding the nutrient solution to the tank, a circulation pump, and a controller for controlling the circulation pump.

In a heat pump hydronic heater of the present invention, the control device (11a) stops operation of the compressor (1) if the discharge pressure detected by the discharge pressure detecting means (1b) is lower than a first set pressure and a discharge superheat degree detected by the discharge superheat degree detecting means is equal to or higher than a predetermined value when predetermined time is elapsed after the compressor (1) is started, or if the discharge pressure detected by the discharge pressure detecting means (1b) is lower than a second set pressure which is set lower than the first set pressure. Therefore, it is possible to enhance usability without erroneously detecting leakage of a refrigerant.

A radiator with reduced thermal inertia, based on the principle of phase changing, using a non-toxic, non-flammable fluid with reduced environmental impact. The radiator is provided by means of vertical pipes which engage a collector containing a pipe bundle-type exchanger with smooth or finned pipes, internally crossed by the thermo-vector fluid of the system, and which heat the intermediate vector fluid, bringing it to the biphasic state. The vector fluid evaporates, rising up the vertical pipes, flowing through the channels obtained in the extruded profiles of the vertical pipes themselves. The fluid re-descends, condensing on the walls, returning into contact with the hot pipes of the exchanger in order to re-evaporate and rise back up the vertical pipes. The film of condensed liquid provides the required heat exchange. The terminal is further equipped with mechanical parts which allow the inserting of temperature sensors for possible monitoring and control of consumption and system operation and control thereof, by means of on-board electronic control devices (electric valves) and remote devices suitably operating in radio-frequency.

A heat pump hydronic heater of the present invention includes: a heat pump cycle 2 comprising a compressor 3 and heating hot water; a plurality of radiating means 13a to 13c; a hot water circulation pump 9 circulating hot water heated by the heat pump cycle 2 to the plurality of radiating means 13a to 13c; opening / closing means 11a to 11d connected with the plurality of radiating means 13a to 13c; and a control section 16, characterized in that when set temperatures of the plurality of radiating means 13a to 13c are different from each other, the opening / closing means 11a to 11d which is connected to the radiating means 13a to 13c other than that 13a to 13c having the highest set temperature is opened and closed with a predetermined period, and closing timings of the plurality of opening / closing means 11a to 11d are set substantially the same. Floor heating panels of a plurality of rooms are operated at different floor temperatures, thereby enhancing comfort.

A hydronic air heater includes a frame assembly defining an enclosure, an inlet air damper formed in a wall of the enclosure and providing a means of ingress for ambient air, a closed heat transfer loop disposed within the enclosure, and a blower assembly disposed within the enclosure. The heat transfer loop includes a boiler for heating a fluid, a pump for circulating the fluid within the loop and a heating coil for receiving the heated fluid from the boiler. The blower assembly is configured to draw air into the enclosure through the inlet air damper and through the heating coil whereby heat from the fluid within the heating coil is transferred to the air.

A hydronic air heater includes a frame assembly defining an enclosure, an inlet air damper formed in a wall of the enclosure and providing a means of ingress for ambient air, a closed heat transfer loop disposed within the enclosure, and a blower assembly disposed within the enclosure. The heat transfer loop includes a boiler for heating a fluid, a pump for circulating the fluid within the loop and a heating coil for receiving the heated fluid from the boiler. The blower assembly is configured to draw air into the enclosure through the inlet air damper and through the heating coil whereby heat from the fluid within the heating coil is transferred to the air.

The invention relates to the technical field of rainwater circulation, in particular to a method for watering a roof garden through a rainwater circulating system. The method includes the following steps of draining rainwater into a rainwater pipe through a draining layer, making the rainwater flow into a rainwater well from the rainwater pipe, making the rainwater in the rainwater well flow intoa depositing well through a water pipe for depositing, making the rainwater depositing in the depositing well into a filtering well for filtering, making the rainwater filtered in the filtering well flow into a PP module group collecting pool, making the rainwater flow into a pond water supply pipe and an irrigation water supply pipe through a flushing pipeline in the PP module group collecting pool, making the rainwater in the pond water supply pipe into a pond, and making the rainwater in the irrigation water supply pipe used for watering the roof garden through spraying nozzles. After the scheme is adopted, the method has the advantages that circulating water can be used for watering the garden and the like and the method is more environmentally friendly.

A radiator with reduced thermal inertia, based on the principle of phase changing, using a non-toxic, non-flammable fluid with reduced environmental impact. The radiator is provided by means of vertical pipes which engage a collector containing a pipe bundle-type exchanger with smooth or finned pipes, internally crossed by the thermo-vector fluid of the system, and which heat the intermediate vector fluid, bringing it to the biphasic state. The vector fluid evaporates, rising up the vertical pipes, flowing through the channels obtained in the extruded profiles of the vertical pipes themselves. The fluid re-descends, condensing on the walls, returning into contact with the hot pipes of the exchanger in order to re-evaporate and rise back up the vertical pipes. The film of condensed liquid provides the required heat exchange. The terminal is further equipped with mechanical parts which allow the inserting of temperature sensors for possible monitoring and control of consumption and system operation and control thereof, by means of on-board electronic control devices (electric valves) and remote devices suitably operating in radio-frequency.

A hydronic system (HS) that comprises at least one hydronic circuit (HC) and a control (CT) for controlling the operation of said at least one hydronic circuit (HC) via a control path (CP), whereby said control (CT) comprises a feed forward controller (FFC). Operation of the system is improved by the hydronic system (HS) further comprising a control improvement path (CIP) running from the at least one hydronic circuit (HC) to the control (CT). Due to the control improvement path (CIP), the control (CT) can be improved in the case of the hydronic system (HS) becoming instable and / or showing poor system control.

The invention discloses a cycling water area energy balance control box, and belongs to the technical field of water circulation. The cycling water area energy balance control box comprises a box bodyin which an equipment body is placed, four installation pedestals are fixedly connected with the lower end of the box body, a first sliding chute is formed in the upper end of each installation pedestal, a left waterproof cover and a right waterproof cover are separately arranged at the upper end of the box body from left to right, two T-shaped sliding chutes from left to right are formed in theupper end of the box body, T-shaped sliding blocks matched with the T-shaped sliding chutes are fixedly connected with the lower ends of the left waterproof cover and the right waterproof cover, moving rods are fixedly connected with the positions, corresponding to the first sliding chutes, on the lower ends of the left waterproof cover and the right waterproof cover, a first sliding block is fixedly connected with the lower end of each moving rod, a clamping plate is fixedly connected with the right end of the left waterproof cover, a clamping groove matched with the clamping plate is formedin the left end of the right waterproof cover, and a groove in the front and back direction are formed in the middle position of the upper end of the box body. According to the cycling water area energy balance control box provided by the invention, the invasion of external water can be reduced, and the damage risk of the internal equipment can be reduced.