4622 results about "Air heater" patented technology

An air conditioning system for use in an over-the-road or off road vehicle is provided that allows operation during both engine on and engine off conditions. The system utilizes a variable speed, motor driven compressor controlled by an intelligent power generation management controller. This controller selects from one of the available sources of power on the vehicle to drive the compressor, and modulates the compressor speed and capacity based on operational parameters and source availability and depletion. The controller may also operate a coolant or air heater to provide heating to the interior compartments.

A heating element includes a plurality of folded surfaces which can be resistively heating using electrical current. The heating element can advantageously function both as a heating source and a heat transfer device, as the need for separate fins or other heat dissipation members is eliminated. In some embodiments, the heating element can be included in a fluid heating system. The fluid heating system can include a fluid transfer device configured to deliver a volume or ambient air or other fluid through the heating element. As air moves past the heated folded surface of the heating element, it is heated. Heated air can then be discharged to one or more desired locations.

To include a boiler 11 that burns fuel F, an air heater 13 that recovers heat of flue gas 18 from the boiler 11, a first precipitator 14 that reduces dust in the flue gas 18 after heat recovery, a desulfurizer 15 that reduces sulfur oxides in the flue gas 18 after dust reduction by an absorbent, a dewaterer 32 that reduces gypsum 31 from desulfurization discharged water 30 discharged from the desulfurizer 15, a spray drying device 34 including an atomizer that atomizes a dewatering filtration fluid 33 discharged from the dewaterer 32, and a flue-gas introducing line L₁₁ that introduces a part of the flue gas 18 into the spray drying device 34.

The invention relates to a sludge drying and burning technique and its system devices, applying to the handling of active sludge in urban sewage treatment plants, its process flows through: wet sludge stock house, measuring bin, sludge mixer, sludge dryer, granular splitter, cooler, drying products storage bin, incinerator, smoke gas cleaning devices, which is characterized by: said incinerator is bubbling fluid bed incinerator with coal economizer, air heater fixed in its end part, high-heat smoke gas generated by burning is used to heat heat-conducting oil and cool air individually, and heat-conducting oil after being heated is transferred to sludge dryer through the circulating pump to dry wet-sludge. The invention is characterized by: take heat-conducting oil as heating medium, use the heat generated by burning dry sludge to heat heat-conducting oil and then dry wet-sludge to make full use of resources; the volume-reducing quantity after drying and burning could reach over 90%; the percentage of desulphurization in incinerator could reach 75% as a result of adopting two stage technology of sulfur removal, and the gross percentage of desulphurization meets national environmental legislation requirements. The invention accomplishes the resources, volume reduction, and innocence of sludge.

The present application relates to an air based fryer (1) for preparing food ingredients. The air based fryer comprises a food preparation chamber (2), an air heater (3) for heating air in the food preparation chamber (2) and a fan (4) for circulating a flow of hot air in the food preparation chamber (2). The air-based fryer (1) further comprises a fluid inlet (5) for the introduction of a fluid directly into the circulating flow of hot air. This solution allows increasing the humidity of the flow of hot air results in superior quality food in terms of taste, texture, and aesthetics and increases the versatility of the air-based flyer.

The invention provides a system for restoring organic contaminated soil by forced ventilation and spiral stirring thermal desorption, which comprises an air preheating system, a spiral stirring thermal desorption system, a tail gas treatment system and a control system, wherein the air preheating system consists of a blower and an air heater, the spiral stirring thermal desorption system consists of a spiral stirring thermal desorption device and a draft fan, the tail gas treatment system consists of a cyclone dust collector, a dehumidifier and an absorption tower, and the control system can realize the effective control of the rotation speed of a spiral stirrer, the air preheating temperature and the soil heating temperature. The system can be used for restoring soil contaminated by volatile/semi-volatile organic matters.

The detector for monitoring decrease in air flow rate due to air filter clogging. It is based on combination of three essential components: the air flow sensor, a threshold detector and an indicator. The air flow sensor is built in form of a novel thermo-anemometer which contains a thermistor, a heating element, and a thermal insulator. Temperature of the sensor is maintained above the air temperature by a constant value by means of an electronic servo circuit. The threshold detector is implemented either in a hardware or software. A novel design of a thermo-anemometer (closely related to a hot wire anemometer) automatically compensates for variations in the air temperatures. The thermo-anemometer triggers the threshold circuit when air flow rate drops below a preset level. For reduction of power consumption, the detector may employ two additional sensors: one is for detection of the blower operation and the other is a presence detector to enable the alarm in presence of people to perceive the alarm. The device automatically calibrates itself upon installation of a new or cleaned air filter. The applications include residential and commercial air conditioners, air heaters, internal combustion engines, vacuum cleaners and other systems where air filters are employed.

A steam laundry dryer is disclosed. The steam laundry dryer includes a drum rotatably mounted in a cabinet, a hot air heater to heat air to supply hot air into the drum, a steam generator to supply steam into the drum, a water supply source to supply water into the steam generator, and a container drawably mounted in a portion of the cabinet. The water supply source is detachably mounted in the container.

The invention relates to a system for deep cooling and waste heat recovery of smoke gas in a boiler with an independent operating system, which comprises a smoke gas deep cooler, an air heater and an independent water circulation system comprising the smoke gas deep cooler and the air heater. The smoke gas of which the dust is removed by an electrostatic dust remover is used for heating the cold water in the smoke gas deep cooler to recover the waste heat of the exhausted smoke, and the hot water at the outlet of the smoke gas deep cooler is transferred to the air heater for preheating the air, thereby increasing the temperature of the combustion-supporting air in the boiler; after the smoke gas passes through the smoke gas deep cooler, the smoke gas is directly introduced into a desulfurizing tower for desulfurization and recovery processing; and finally, the smoke gas is exhausted through a wet chimney. The system of the invention does not need to change the traditional thermodynamic system of the machine unit, and the long-period safe operation of the system can not be influenced in the process of recovering the waste heat of the smoke gas, thereby lowering the temperature of the exhausted smoke, saving the desulfurization water consumption, improving the machine unit efficiency and increasing the machine unit output.

The invention discloses a fuel cell low-temperature quick-starting system and method adopting staged temperature control. The system comprises an electric pile of a PEMFC (Proton Exchange Membrane Fuel Cell) and a coolant storage tank, wherein an air heater is mounted on an air inlet pipeline of the electric pile; a coolant heater is mounted on a water inlet pipeline between the electric pile and the coolant storage tank; an electric pile heater is further arranged on the electric pile and used for pre-heating an end plate, an insulating plate and a current collector of the PEMFC; a temperature sensor used for measuring the temperature of the electric pile is further arranged in the system. According to the invention, the temperature of a fuel cell pile can be detected, and different parts of the fuel cell pile can be pre-heated for temperature rising according to the different working medium heat capacities and the different temperature requirements for starting of different parts of a fuel cell system, so that the fuel cell can be pre-heated quickly, the phenomenon that the fuel cell pile is damaged due to the excessively high temperature gradient is avoided, and the fuel cell system can be quickly started in the environment below zero.

A compressed air energy storage system comprises a cavern (1) for stored compressed air and a system for providing the compressed air to a power train (3,5), this system including a recuperator (7) and a first valve arrangement (8) that controls the flow of the compressed air from the recuperator and to the power train (3,5). A system for warm-keeping of the power train (3,5) during stand-by operation of the compressed air energy storage system comprises the recuperator (2) and/or an auxiliary electrical air heater (11) and a second valve arrangement (10, 13) for controlling the airflow for warm-keeping. The system for warm-keeping of the power train allows improved temperature control and avoids disadvantages associated with a warm-keeping system having a combustor.

A high-frequency heating apparatus with a steam generating function, which heat-treats a to-be-heated object by supplying at least high-frequency waves or steam to a heating chamber 11 that accommodates the object. This high-frequency heating apparatus has a high frequency wave generating portion 13, a steam generating portion 15 for generating steam in the heating chamber 11, and a circulating fan 17 for agitating air in the heating chamber 11. Moreover, the high-frequency heating apparatus has a chamber air heater 19 for heating air circulating in the heating chamber 11. The steam generating portion 15 generates steam by heating an evaporating dish 35 that has a water storing recess.

The invention discloses high-efficiency excellent bean screening equipment. The equipment comprises a feeding pipe, a box body, an inclined guide plate, a screen plate, a vibration exciter, a spring, a telescopic rod, a water separation box, a camera, an air separation machine and a drying box, wherein a feeding pipe is arranged at the top end of the box body; a timer is arranged on the side wall of the box body; the air separation machine is arranged on the inner wall of the box body; the screen plate is arranged in the box body; the vibration exciter is arranged on the screen plate; the bottom surface of the screen plate is connected with the top end of the telescopic rod by the spring; the bottom end of the box body is connected with the water separation box by a first transmission pipe; an outlet end is in contact connection with the first transmission pipe; a filter plate is arranged in the bottom end of the water separation box; a rotating shaft is arranged in the water separation box; stirring blades are mounted on the rotating shaft; the rotating shaft is connected with an outer motor; the middle part of the water separation box is connected with the drying box by a second transmission pipe; an inclined filter screen is arranged in the drying box; a dryer is arranged under the inclined filter screen; an air heater is arranged in the drying box; and the camera is arranged at the top end of the box body. According to the high-efficiency excellent bean screening equipment, quick breeding selection is carried out, the structure is simple, the use is convenient, and the promotion is facilitated.

The invention relates to a briquetting device for recycling scrap iron, and particularly relates to a quick cleaning and briquetting device for recycling the scrap iron. The invention aims to solve the technical problem of providing the quick cleaning and briquetting device for recycling the scrap iron, which has the advantages of multiple functions, good briquetting effect and high working efficiency. In order to solve the technical problem, the invention provides the quick cleaning and briquetting device for recycling the scrap iron. The quick cleaning and briquetting device comprises a bottom plate, first springs, a first baffle, a sliding rail, a sliding block, a right rack, a collection frame, a fixed rod, a first pressing plate, a cleaning tank, a connecting rod, a first motor, a disk cam and an air heater, wherein the first springs are arranged on the left side of the top of the bottom plate in a bilaterally symmetrical mode. The device has the effects of multiple functions, good briquetting effect, high working efficiency and simplicity in operation, and ordinary people can use the device as long as some simple instructions are given.