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.

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 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 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.

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.

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.

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.