35results about How to "Meet different heating needs" patented technology

The invention relates to a lithium bromide absorption heat exchange system capable of simultaneously providing two loops of hot water. The lithium bromide absorption heat exchange system capable of simultaneously providing two loops of hot water comprises a primary network hot water pipeline system (1), a first-loop secondary network hot water pipeline system (2), a second-loop secondary network hot water pipeline system (3), a first heat exchanger (4), a second heat exchanger (5) and a hot-water-type lithium bromide absorption unit (6), wherein primary network hot water which flows out of the primary network hot water pipeline system (1) firstly enters a generator (606), then serially enters the first heat exchanger (4) and the second heat exchanger (5) and finally flows out through the primary network hot water pipeline system (1); part of hot water return water which flows out of the second-loop secondary network hot water pipeline system (3) enters an evaporator (601) and the second heat exchanger (5), and the other part of hot water return water which flows out of the second-loop secondary network hot water pipeline system (3) and hot water return water which flows out of the first-loop secondary network hot water pipeline system (2) respectively flow through an absorber, a condenser and the first heat exchanger (4). The lithium bromide absorption heat exchange system capable of simultaneously providing two loops of hot water has the advantages that the reduction of primary network hot water return water temperature is realized and the two loops of secondary network hot water with different temperature and pressure can be simultaneously provided.

The invention relates to the technical field of production of recycled asphalt mixture, in particular to a production process of hot-mix fully recycled asphalt mixture. The process includes the following steps: Step 1, planing and milling the RAP aggregates into three grades of 0-3mm RAP aggregates, 3-5mm RAP aggregates, and larger than 5mm RAP aggregates; Step 2, mixing 0-3mm RAP aggregates with pure asphalt Stir and mix and heat to form a fluid mixed asphalt; step 3, feed aggregates larger than 5mm RAP from the feed inlet of the primary drum for heating, add 3‑5mm RAP aggregates from the regeneration ring, 3‑5mm RAP aggregates and larger than 5mm RAP aggregates Materials are mixed and contacted for heat exchange, and flame indirect radiation heating is carried out at the same time to form thermally recycled aggregates; step 4, fluid mixed asphalt and thermally recycled aggregates are stirred and mixed to obtain high-quality finished asphalt mixtures. In the finished material, RAP aggregate can be added in a larger proportion, and it can be fully recycled and mixed in a factory. It can be applied to various road grades and reduce production costs.

The invention relates to a multi-combustion type civil heating furnace integrating a direct firing, a return firing and a gasified combustion. The heating furnace comprises a furnace body and an expansion tank, a coaling port, a front air door and a slag-removing door are sequentially arranged on a front end of the furnace body from top to bottom, and a first furnace port is arranged on an upper end of the furnace body. The heating furnace is characterized in that a second furnace port is arranged on an upper end of the first furnace port, a porous cylindrical inner sandwich layer combustion-aiding device is embedded in the first furnace port, a cylindrical temperature increasing device with high refractory is fixedly arranged on a lower end of the porous cylindrical inner sandwich layer combustion-aiding device, an inner air duct system is arranged in the furnace body, and a connecting-rod-type air door adjustment device is arranged on a rear end of the furnace body. The heating furnace has the positive effects that firstly, the environmental pollution is reduced, secondly, the energy is saved, thirdly, the heat efficiency is high, fourthly, the use is safe, fifthly, multiple functions of one furnace are realized, and the requirement on use for a user is met, and sixthly, the combustion controllability of fuels and the fire banking capability of a cooker unit are increased.

The invention relates to an afterburning-type lithium bromide absorption heat exchange system capable of simultaneously providing two loops of hot water. The afterburning-type lithium bromide absorption heat exchange system capable of simultaneously providing two loops of hot water comprises a primary network hot water pipeline system (1), a first-loop secondary network hot water pipeline system (2), a second-loop secondary network hot water pipeline system (3), a first heat exchanger (4), a second heat exchanger (5), a hot-water-type lithium bromide absorption unit (6) and a direct-burning-type lithium bromide absorption unit (7), wherein primary network hot water which flows out of the primary network hot water pipeline system (1) firstly enters a generator (604) of the hot-water-type lithium bromide absorption unit (6), comes out, serially enters the first heat exchanger (4) and the second heat exchanger (5), flows through an evaporator (701) of the direct-burning-type lithium bromide absorption unit (7) and finally flows out through the primary network hot water pipeline system (1). The afterburning-type lithium bromide absorption heat exchange system capable of simultaneously providing two loops of hot water has the advantages that under the situations that primary network hot water return water temperature is reduced and effective heat emission temperature difference of primary network hot water is increased, the peak heat supply load of a centralized heat supply system can be borne, the two loops of hot water can be simultaneously provided, the two loops of hot water are mutually independent and the temperature and the pressure can be respectively different.

The invention relates to a supplementary-fired lithium bromide absorption type heat exchange system with two routes of water simultaneously supplying heat, which belongs to the technical field of air-conditioning equipment. The supplementary-fired lithium bromide absorption type heat exchange system comprises a primary network hot water pipeline system (1), a first-route secondary network hot water pipeline system (2), a second-route secondary network hot water pipeline system (3), a first heat exchanger (4), a second heat exchanger (5), a hot water type lithium bromide absorption type unit (6) and a direct-fired lithium bromide absorption type unit (7); the primary network hot water flowing out of the primary network hot water pipeline system (1) sequentially enters a generator (604) of the hot water type lithium bromide absorption type unit (6), the first heat exchanger (4) and the second heat exchanger (5) and finally flows out via the primary network hot water pipeline system (1); the hot return water flowing out of the first-route secondary network hot water pipeline system (2) flows out via the first heat exchanger (4) and then the first-route secondary network hot water pipeline system (2). While decreasing the temperature of primary network hot return water, the supplementary-fired lithium bromide absorption type heat exchange system also can bear the peak heating load of a centralized heating system.

The invention relates to a supplementary-fired lithium bromide absorption type heat exchange system with two routes of water simultaneously supplying heat, which belongs to the technical field of air-conditioning equipment. The supplementary-fired lithium bromide absorption type heat exchange system comprises a primary network hot water pipeline system (1), a first-route secondary network hot water pipeline system (2), a second-route secondary network hot water pipeline system (3), a first heat exchanger (4), a second heat exchanger (5), a hot water type lithium bromide absorption type unit (6) and a direct-fired lithium bromide absorption type unit (7); the primary network hot water flowing out of the primary network hot water pipeline system (1) sequentially enters a generator (604) of the hot water type lithium bromide absorption type unit (6), the first heat exchanger (4) and the second heat exchanger (5) and finally flows through an evaporator (701) of the direct-fired lithium bromide absorption type unit (7); the hot return water flowing out of the first-route secondary network hot water pipeline system (2) flows out via the first heat exchanger (4) and then the first-route secondary network hot water pipeline system (2). While decreasing the temperature of primary network hot return water, the supplementary-fired lithium bromide absorption type heat exchange system also can bear the peak heating load of a centralized heating system.

The present invention relates to a two-stage continuously adjustable concentrating photo-thermal device. The device comprises a first-stage regulation module, a light source module, a concentrating module, a first-class lens barrel, a second-stage regulation module, a second-class lens barrel and a light exit module. One end of the first-stage regulation module is connected with one end of the first-class lens barrel, and the light source module is arranged in the first-stage regulation module and drives the light source module to perform axial motion in the first-stage regulation module. The concentrating module is arranged in the first-class lens barrel, the second-class lens barrel is arranged at the side wall of the first-class lens barrel, the light exit module is arranged in the second-class lens barrel, light ray reflected by the concentrating module enters the second-class lens barrel and exits from the light exit module, and the second-stage regulation module is arranged at the side wall of the second-class lens barrel and drives the light exit module to lift the motion. The two-stage continuously adjustable concentrating photo-thermal device separates the light source module from a heated object to protect the light source well and prolong the life of the light source, the first-stage regulation module and the second-stage regulation module are coordinated with each other to realize continuous regulation, and the light source energy is focused through the concentrating module to improve the light source utilization rate.