59results about How to "Meet heat demand" patented technology

The invention relates to a mine underground cooling and waste heat recycling system, comprising an air cooler unit, a cooling set unit, a heat pump set unit and a user equipment unit, and a mine return air heat pump system or a cooling tower. According to specific implementation requirements, different combined connections are used for forming multiple heat exchange circulation loops, by the multiple heat exchange circulation loops, the underground high-temperature waste heat is recycled and provided for corresponding user equipment, so that the mine underground cooling is realized, and the requirement on heat usage for production and living of the coal mine is satisfied. The mine underground cooling and waste heat recycling system can be widely used in the mine underground cooling and waste heat recycling process.

The invention relates to a thermodynamic system for improving heat supply unit electric output adjusting capacity. The thermodynamic system is characterized in that main steam or reheating section steam is subject to temperature and pressure reduction to directly serve as heat source steam for industrial heat users; an absorption heat pump 23 of a first-stage heat exchange device serves as a heatsource of a first-stage heat exchange station 25 in the heating period to supply heat to heat users 29 and supplies cold to the users in the non-heat supply period; a high-pressure electric boiler 24of a second-stage heat exchange device improves the boiler water feeding temperature, reduces heat absorbed by boiler fed water in an economizer 4, accordingly improves the boiler tail smoke discharging temperature, and guarantees normal running of an SCR denitration device 5; and according to a three-stage heat exchange device, exhaust steam of a turbine intermediate pressure cylinder 8 serves asheat source steam of a third-stage heat exchange station 27, the unit heat load is guaranteed, and the heat using requirement of the heat users 29 is met. The electric output adjusting capacity of the heat supply unit can be improved, it is guaranteed that the unit heat supply capacity is not decreased under the low load running working conditions, pyroelectric decoupling is achieved, and the electric output adjusting capacity of the heat supply unit is improved.

The invention discloses a color coating line waste-gas-treating and heat-recovering method based on a regenerative thermal oxidizer (RTO). The method comprises the steps: feeding the volatile organic compound waste gas with low temperature and low concentration discharged from a ground coating machine room and a face coating machine room to the absorption area of a concentration turning wheel through a low temperature waste gas pipe, so that the volatile organic compound waste gas is absorbed by an adsorbent of the absorption area; feeding the volatile organic compound waste gas with high temperature and high concentration discharged from a ground coating curing oven and a face coating curing oven to the RTO through a high temperature waste gas pipe; and feeding the mixing gas of the hot air adsorbed from the high temperature waste gas collecting pipe and the high temperature adsorption area of the concentration turning wheel to the RTO for burning, and feeding the discharged high temperature clean gas to a heat-recovering system, wherein the heat-recovering system comprises a high temperature hot air blower and a heat exchanger. Because the heat-recovering system is used, the color coating line waste-gas-treating and heat-recovering method based on the RTO is capable of saving a large amount of energy, and reducing the emission. In addition, the invention further discloses a system for color coating line organic compound waste gas innocent treatment and heat recovery.

The invention relates to an intelligent heat-supply system based on an indoor temperature. The heat-supply system is composed of a boiler, a burner, a gas meter, a first electric control valve, a system electric control valve, a draught fan, indoor temperature transmitters, an intelligent control device, an oxygen content sensor, a nitrogen oxide sensor, a boiler outlet thermal flowmeter, a secondary thermal flowmeter, an outdoor temperature transmitter, a primary system water supply temperature transmitter, a plate-type heat exchanger, a second electric control valve, a waste heat recovery device, a waste heat recovery device inlet pressure transmitter, a waste heat recovery device outlet pressure transmitter, a boiler outlet pressure transmitter and a boiler inlet pressure transmitter. The intelligent control device is communicated with the other components of the heat-supply system through shielded cables. The intelligent heat-supply system based on the indoor temperature has the advantages that automatic control and adjustment of heating output loads can be achieved according to real-time heat using requirements and the heat using requirements of users are met on the premise of ensuring the heating quality, ensuring the safe and stable operation of the boiler and reducing the operating cost.

The invention discloses a coal-fired power generation unit single-tank molten salt thermocline heat storage system and method. The system comprises a molten salt thermocline heat storage tank, a firstheat exchanger and a second heat exchanger, wherein a molten salt outlet in the top of the molten salt thermocline heat storage tank communicates with the first heat exchanger and the second heat exchanger, a bottom outlet of the molten salt thermocline heat storage tank communicates with the first heat exchanger, an outlet of the first heat exchanger communicates with an inlet of the molten saltthermocline heat storage tank, a steam inlet of the first heat exchanger communicates with a turbine high-pressure cylinder and a turbine low-pressure cylinder, a steam outlet of the first heat exchanger communicates with a steam inlet of the turbine low-pressure cylinder and an inlet of a boiler, a molten salt outlet of the second heat exchanger communicates with a molten salt inlet in the bottom of the molten salt thermocline heat storage tank, and the second heat exchanger communicates with a heat supply system. The system is helpful for realizing quick response to the load change of a power grid, can effectively improve the flexibility and peak regulation capability of operation of a unit, and is helpful for improving the long-term stable operation capability of the unit.

The invention discloses a multi-source high-temperature heat pump device and a working method thereof. The device comprises four parts, specifically, a heat collecting system, a heat pump heating system, a hot water flash evaporation system and a steam compression system. According to the device, water serves as a heat pump circulating working medium, recovering and high-grade transformation of mid-grade and low-grade energy below 100 DEG C are realized through organic combination of heat energy recovering technology, low-pressure flash technology and intermediate-cooling two-stage compressiontechnology. Two internal circulation heat pump systems are introduced into the device, the low-grade energy gradient recovering in a wide temperature range is realized, and meanwhile, the steam yieldis improved; the intermediate-cooling two-stage compression taking water as the working medium meets heat requirements of 150-160 DEG C high temperature, and meanwhile, the energy efficiency coefficient of the device can reach 6-8. Compared with the prior art, the device is reasonable in design, outstanding in characteristics, can effectively recover the different kinds of mid-grade energy and the low-grade energy, and meanwhile, has the remarkable advantages that the energy efficiency coefficient, heat release amount are large and heat release temperature is high, and strategic requirementsof sustainable development of energy conservation and emission reduction are met.

The invention provides a high-frequency electromagnetic induction heating device. The high-frequency electromagnetic induction heating device comprises a heating cabinet. A programmable logic controller (PLC), a high-frequency induction heating power source, a high-frequency electromagnetic induction heating body, a display unit and a sensor set are arranged inside the heating cabinet, the PLC, the high-frequency induction heating power source and the high-frequency electromagnetic induction heating body are sequentially electrically connected, and the display unit and the sensor set are electrically connected with the PLC. The high-frequency electromagnetic induction heating body is connected with a crude oil storage tank to be heated through a pipeline; the PLC controls the high-frequency electromagnetic induction heating body to be powered on or off through the high-frequency induction heating power source. The novel high-frequency electromagnetic induction heating device suitable for the special industry of the oil field is developed in an integrated mode and meets the heat requirements of the places such as oil field crude oil production and integrated conveying and personnel living places. The heating power and the best size of the structure of the induction heating body are configured according to the specific heat requirement, the highest efficiency of electro-heat conversion utilization is realized, no noise or open fire is generated during operation, fossil fuel is not used, pollution is avoided, no requirement for the water quality exists, and scaling is avoided. Descaling at regular times is not needed, emission is avoided, automatic control is convenient, and digital management is adopted.

The invention belongs to the technical field of heat supplying of thermal power plants and particularly relates to a cooling water waste heat direct-air cooling type high back pressure-steam extraction integrated heat supply system. According to the system, the problems that the heat supply distance of a high back pressure low-temperature water direct-supply mode is limited, the loss of water for heating a heat network purely by virtue of steam extraction heating is large are solved. The system comprises an air cooling unit, a first exhaust steam valve, an air cooling island, a second exhaust steam valve, a heat supply condenser, an electric heat pump, a heat network heater, a near-distance heat user, a heat exchange station, an auxiliary engine circulating cooling water outlet pipe, a mechanical draft cooling tower, a hot water valve, an auxiliary engine circulating cooling water return pipe, a heat network adjusting valve, a far-distance heat user, a condensing water valve, a hydrophobic valve and an electric generator. According to the system, the auxiliary engine waste heat is adequately recycled based on a high back pressure heat supply unit, the recycling and gradient utilization of energy in a heat supply process are realized, the economy of the unit is increased, and the purposes of saving energy and reducing consumption are achieved.

This invention relates to a single-baffler-water mixer mixing water in two ways and adjusting proportion of water while heating, in which interfaces of return pipes of this invented heat net and users are fixed on two side walls of a pipe underside of them, the baffler is set in the cavity of the pipe and is connected with the pipe wall by a shaft, which is advantaged that water temperature of entry of each building can be adjusted separately to meet the requirements of different users to heat.

The invention discloses a time-sharing and zoning complementary intermittent heating method suitable for a school district heating system, which fully considers the thermal inertia of a thermodynamicsystem and the thermal inertia (thermal lag or heat storage characteristic) of a building through time-sharing and zoning intermittent heating of users of different levels and by utilizing the complementation of different types of user loads in time and space based on intelligent management and control, so that ultra-low load heat supply of the building can be achieved on the premise that system safety and heat supply quality are guaranteed; meanwhile, basic stability of energy center operation loads is guaranteed, and safe and stable operation of a primary network and energy center main equipment such as a boiler and a water pump is facilitated; the ultra-low load operation of a thermodynamic system is achieved; energy conservation and emission reduction are remarkable while it is guaranteed that heat utilization requirements are met; and safe and stable operation is achieved. The time-sharing and zoning complementary intermittent heating method suitable for the school district heating system is suitable for an ultra-low-load, safe, stable, efficient and energy-saving operation mode of an energy station of a central heating system during long-term holiday of public buildings suchas schools, commercial office areas and enterprise units.

The invention discloses a heating system and a building method of a solar round bamboo prefabricated house. The heating system of the solar round bamboo prefabricated house comprises a group of solar heat collectors for heating the house and conducting medium ducts formed by through round bamboo cylinders; a plurality of conducting medium ducts are communicated with one another through connecting pieces so as to form a conveying pipeline of the heating system of the solar round bamboo prefabricated house; a hot air distribution connection box is arranged on the ground in the house; an air inlet connected into the house is formed on the hot air distribution connection box; the output port of the group of solar heat collectors is connected to the hot air distribution connection box through the conveying pipeline; and an air outlet is formed on the upper part in the house and connected to the hot air medium loop of the solar heat collectors through the conveying pipeline. Through the heating system and the building method, the design of the solar air heat collector is optimized, and the traditional manufacturing method is radically changed; and the conveying pipeline of the system is made of the environmental-friendly renewable resource bamboo, so the carbon emission is greatly reduced, environment is protected and the heating is balanced and stable.

An electrical heating apparatus includes a primary heating stage heat pump, a secondary heating stage resistance heating circuit having a plurality of heating elements, an adaptive resistance heat controller and a two-stage thermostat. The adaptive resistance heat controller is connected to the two-stage thermostat heat pump and resistance heating circuit. The adaptive resistance heat controller includes a duty cycle monitor that monitors the duty cycles of the thermostat primary and secondary stages. The controller selectively energizes one or more of the plurality of heating elements in response to changes in the duty cycles so as to provide adaptive heating control to meet actual heating demand while reducing overall peak energy consumption.

The invention discloses a thermoelectric decoupling type thermal energy storage heat and power combined supply system, and relates to heat and power combined supply systems. The problem that in the prior art, power source power supply or electric heating related equipment fails, and the system cannot store heat is solved. The system comprises an energy storage power station unit, a steam turbine unit and a heat supply unit; the energy storage power station unit comprises a low-temperature medium tank, a high-temperature medium tank, an electric heater and a gas heater, heat storage media are stored in the low-temperature medium tank and the high-temperature medium tank, the low-temperature medium tank is connected with a low-temperature medium output pipeline, the low-temperature medium output pipeline passes through heating ends of the electric heater and the gas heater and then enters the high-temperature medium tank, and a cooling medium pump is arranged on the low-temperature medium output pipeline and used for pumping low-temperature heat storage media. The gas heater in parallel connection with the electric heater is arranged, and when the power source power supply or electric heating related equipment fails, the gas heater can be used in a switched manner.

The invention provides an integrated energy system based on a molten salt device. The system includes a photoelectric thermal device used for converting solar energy into electrical energy and converting the electrical energy into thermal energy, a photothermal device used for converting the water stored in the photothermal device into the hot water by absorbing the solar energy, and a control system used for controlling the photoelectric thermal device and the photothermal device to alternately receive the solar energy based on a preset first water temperature and a second preset water temperature, wherein the first water temperature is higher than the second water temperature, not only the cost of cable laying is saved, but also line loss is reduced, decentralized photovoltaic power generation networking difficulty is reduced, the new energy can be locally consumed, the user's heat demand is met, and adaptive adjustment is achieved. The system is advantaged in that the system has huge economic advantages compared with laying of the circuit, can greatly reduce the volume of the equipment, save the floor space and equipment investment, can greatly improve energy conversion efficiency and meet the electricity and heat demand of the user.

The invention relates to the field of solar energy application, belongs to the technical field of application of renewable energy sources, and particularly relates to an intermediate temperate solar coupled heat pump low-temperature steam system and a steam supply method. The steam produced by the intermediate temperate solar coupled heat pump low-temperature steam system and the steam supply method can meet most industry and agriculture heat need. Compared with the method of supplying steam through an electrical or gas-fired boiler, the system saves more energy, is good in environment protection effect, is consistent with the orientation of national policies for energy conservation and emission reduction, and is a system technology with good development potential. Under the condition of controllable initial cost and operating cost, the intermediate temperate solar coupled heat pump low-temperature steam system and the steam supply method have excellent market application potential inthe industry and agriculture application fields.

The invention relates to a waste water and heat utilization device for a mushroom culture medium sterilization boiler. The device comprises a tap water feeding tube, a waste water pool, a boiler, a sterilization furnace, more than two heat exchangers, a water supply tube and a heating tube. The tap water feeding tube is connected with the more than two heat exchangers which are disposed in the waste water pool, the first heat exchanger is connected with the boiler which is connected with the sterilization furnace, and the second heat exchanger is connected with the water supply tube for supplying water for a bathroom and the heating tube connected with a heating radiator. Thermal energy of all steam and hot water in the waste water pool is fully used, the device thermal energy usage rate is high, and production costs are reduced.

The invention discloses a peak regulation system with zero output of a low-pressure cylinder and coupling of a heat storage tank and a low-pressure heater, and belongs to the technical field of power generation equipment. The peak regulation system comprises a boiler system, a high-pressure cylinder system, a medium-pressure cylinder system, a low-pressure cylinder system, a high-pressure heater system, a deoxidizing system, a low-pressure heater system, a condenser system, a heat supply network heater system and a heat storage tank system. According to the peak regulation system with zero output of the low-pressure cylinder and coupling of the heat storage tank and the low-pressure heater, innovation is carried out on the basis of a combined heat and power generation unit system which is subjected to low-pressure cylinder zero output transformation and provided with the heat storage tank, so that the low-pressure cylinder is in zero output and the heat storage tank can assist a thermal power generating unit to participate in deep peak regulation in the heating period and the non-heating period; and on one hand, the problems of impact of zero output of the low-pressure cylinder in the heating period on a heat supply network heater and excessive heat supply steam are solved, and on the other hand, the problems of zero output of the low-pressure cylinder in the non-heating period and shutdown of the heat storage tank and incapability of participating in deep peak regulation are solved.

The invention discloses a modular cascade heating scale heating air energy station system. The system comprises a first-stage heating system, a second-stage heating system, an intermediate medium circulating pipeline and a user side circulating pipeline. The first-stage heating system comprises at least one first-stage heating module. The first-stage heating module comprises at least one first-stage heating unit. The first-stage heating unit comprises an air heater, a first-stage compressor, a first-stage condenser and a first-stage expansion valve. The second-stage heating system comprises atleast one second-stage heating module. The second-stage heating module comprises at least one second-stage heating unit. The second-stage heating unit comprises a second-stage evaporator, a second-stage compressor, a second-stage condenser and a second-stage expansion valve. The invention aims at providing the modular cascade heating scale heating air energy station system which is large in heating capacity, high in water supply temperature, high in heating efficacy, good in heating continuity, small in occupied space area, small in noise, flexible in combination, easy and convenient to mountand wide in application range.