38results about How to "High heat recovery rate" patented technology

The invention relates to the technical field of non-metal novel materials and particularly provides a high-temperature-calcined [alpha]-Al2O3 production energy-saving apparatus and a novel method. In the invention, a cyclone preheater group (may comprises two stages, three stages and four stages), and a cooling apparatus are added at the tail of a hollow long kiln to cooling high-temperature-calcined materials. The cyclone preheater group is fully utilized to reduce the temperature of high-temperature flue gas at about 400 DEG C at the tail of a hollow rotary long kiln to 160-220 DEG C. Meanwhile, by means of the unique cooling apparatus, more than 60% of heat energy can be recycled. The apparatus can save fuel by more than 30% when compared with an apparatus in the prior art. The apparatus and the method fully utilize the heat energy in the tail gas of the rotary kiln, can effectively recycle the heat energy in the calcined materials, can greatly reduce the temperature of tail gas and recycle the heat energy when the product is cooled as more as possible, thereby achieving energy saving and emission reduction and laying the foundation of non-metal new material industry.

The invention relates to a gas-solid separation and heat recovery integration device, comprising a barrel, wherein a heat exchange medium channel is formed by a partition plate between the inner wall and the outer wall of the barrel; a gas-solid feeding hole and a heat exchange medium outlet are formed in the upper part of the barrel; a solid material outlet and a heat exchange medium inlet are formed in the lower part of the barrel; a center pipe is arranged in the middle of the barrel along the axis direction; a gas material outlet is formed in the upper end of the center pipe; the barrel is composed of an upper straight section and a lower conical section; the gas-solid feeding hole is formed along the tangential direction of the barrel wall; a conical gas collecting opening is formed in the lower part of the center pipe; the partition plate is arranged in a spiral shape along the axis direction of the barrel; and the partition plate is fixedly connected with the inner wall or the outer wall of the barrel. Compared with the prior art, the gas-solid separation and heat recovery integration device has the beneficial effects that gas-solid separation and heat recovery processes are finished once on the same device; a relatively high heat recovery rate is achieved while a good dust removal effect is obtained; and the device is simple in structure, small in floor area, low in investment and good in economical efficiency.

The invention provides a comprehensive utilization device for smoke gas exhaust heat, comprising a steam dome, a flue-type furnace and a flue-type exhaust heat boiler which is arranged in the flue-type furnace and formed by a heating surface of vapouring water and a heating surface of heating water; at least two smoke gas take-away devices are additionally arranged in the furnace, one is arranged between the heating surface of vapouring water and the heating surface of heating water to form a low-temperature smoke gas take-away device and the other is inserted in the middle of the heating surface of vapouring water to form a high-temperature smoke gas take-away device; the delivery outlets of the two smoke gas take-away devices are combined to a smoke gas delivery outlet by a smoke gas adjusting device and the smoke gas delivery outlet is connected with a draught fan and delivers hot smoke gas outwards. The comprehensive utilization device for smoke gas exhaust heat can not only heat water to generate steam by the heating surface of vapouring water and the heating surface of heating water, but also deliver hot smoke gas with controllable flow and temperature by the low-temperature smoke gas take-away device and the high-temperature smoke gas take-away device for manufacturing technique, thereby remarkably improving the utilization ratio of the smoke gas exhaust heat.

The invention relates to an energy-saving type catalytic bed system with the controllable temperature. The energy-saving type catalytic system comprises a gas inlet heater, a catalytic bed and a heat exchanger. A gas inlet channel and a gas outlet channel are alternately formed between a furnace body inner surrounding plate and a furnace body outer surrounding plate. The inlet of the gas inlet channel is formed in an upper end plate, and the outlet of the gas inlet channel is formed between a lower end plate and the furnace body inner surrounding plate. The inlet of the gas outlet channel is formed between the upper end plate and the furnace body inner surrounding plate, and the outlet of the gas outlet channel is formed in the lower end plate. The heater is arranged in a furnace body corresponding to the outlet of the gas inlet channel. A gas outlet flow guide cover is arranged on the lower face of the middle of the lower end plate corresponding to the outlet of a gas outlet cover. A catalytic tail gas inlet, a catalytic tail gas outlet, a catalytic gas inlet, a catalytic gas outlet, a desorption gas supply inlet and a desorption gas supply outlet are formed in the heat exchanger. By the adoption of the energy-saving type catalytic bed system, heat efficiency of the catalytic bed is effectively improved, the heat loss is reduced, the heat recovery utilization rate, combustion efficiency and the purification rate are improved, heat exchange is increased, heat energy is more reasonably utilized, and the energy saving and emission reduction requirements are met.

The invention discloses a heat conduction effect and heat radiation effect combining type cascading automobile exhaust heat exchange device and belongs to the technical field of automotive energy-saving devices. The heat conduction effect and heat radiation effect combining type cascading automobile exhaust heat exchange device comprises a catalytic purifier, a set of heat exchange units, a corrugated pipe, an auxiliary silencer, a main silencer, a set of cascading pipes, a first exhaust pipe, a second exhaust pipe, a third exhaust pipe, an exhaust tail pipe, a heat exchange device input pipe and a heat exchange device output pipe. The catalytic purifier, the first exhaust pipe, the corrugated pipe, the second exhaust pipe, the auxiliary silencer, the third exhaust pipe, the main silencer and the exhaust tail pipe are connected in sequence. Every two adjacent heat exchange units are communicated through the corresponding cascading pipe. The heat exchange device input pipe is connected to the heat exchange unit outside the main silencer. The heat exchange device output pipe is connected to the heat exchange unit outside the catalytic purifier. According to the heat conduction effect and heat radiation effect combining type cascading automobile exhaust heat exchange device, the manufacturing cost is reduced, and the recovery rate of heat energy is increased; heat energy is conducted to fluid heat-conducting media for the second time through the heat radiation effect, and thus the recovery rate of the exhaust heat energy is further increased.

A method for heating, in particular of highly viscous products, and a device for performing the method, wherein the product is pre-heated to a first temperature T1 in a first step with at least one product/water heat exchanger section with water as the heating medium, wherein the water cools down. The product is further heated to a second temperature T2 in a second step with at least one product/product heat exchanger section 2a with the product as a heating medium, wherein the returning product serving as heating medium is cooled down, and is then further heated to a third temperature T3 in a third step with at least one product/water heat exchanger section 3a with water as the heating medium, wherein the water cools down and wherein the heated product is then recirculated as heating medium for heating the product.

The invention discloses a heat exchange chamber of a coke oven. The heat exchange chamber of the coke oven comprises a chamber body, the interior of the chamber body is of a multi-layer structure, anair channel and a flue gas channel are arranged in each layer of the multi-layer structure in a penetrating mode, the layers of the multi-layer structure are sequentially communicated, the air channelis used for being communicated with the external environment, and the flue gas channel is used for being communicated with the external environment. And the flue gas channel is used for communicatingwith a vertical flame path of a combustion chamber in the coke oven. The invention also provides the coke oven adopting the heat exchange chamber. The heat exchange chamber is simple in structure, and the heat exchange efficiency of the coke oven can be effectively improved.

The invention discloses a waste gas residual heat recycling device for an organic silicon production technology. The waste gas residual heat recycling device comprises a heat insulation box, a gathering box, a fixed frame, an outer chimney, a gas leakage pipe, an inner chimney, a spiral pipe, a water collector, a gas inlet pipe, a butt joint opening, a collection opening, short bulges, gaps and long bulges. The waste gas residual heat recycling device disclosed by the invention has the beneficial effects that the plurality of short bulges and long bulges are arranged on an inner wall of the inner chimney; the long and short bulges are symmetrically arranged; the gap with a Z-shaped structure is formed by each two groups of the long and short bulges; and waste gas passes through the gaps with the Z-shaped structure in a circulation process so that the retention time is prolonged. The spiral pipe matched with the distance between the inner wall of the outer chimney and an outer wall of the inner chimney is arranged between the inner wall of the outer chimney and the outer wall of the inner chimney; the spiral pipe is wound on the outer wall of the inner chimney and the butt joint opening of the spiral pipe is communicated with the gas leakage pipe; when excessive gas enters in one step, the gas is leaked; and meanwhile, the leaked gas is directly guided into the collection opening of the spiral pipe and the heat of the waste gas guided into the spiral pipe also can be recycled.

The invention discloses a double-unit series heat recovery system, relates to the technical field of heat recovery, and aims to solve the problem that most heat in an existing heat pump is directly radiated to the outside in a heat radiation mode, and consequently serious waste is caused. According to the system, a first mounting plate is mounted at the upper end of one side in a body bracket, a compressor is mounted at the upper end of the first mounting plate, and a water storage tank is mounted on the other side in the body bracket and is fixedly connected with the body bracket; and the water storage tank comprises heat preservation sponge, heat insulation rubber, an outer isolation layer, a heat conduction layer, a supporting bracket and a hot water storage tank, the heat insulation rubber, the outer isolation layer, the heat conduction layer, the supporting bracket and the hot water storage tank sequentially adjoins the inner side of the heat preservation sponge, the heat preservation sponge is connected with the heat insulation rubber and the outer isolation layer adjacently in a glued mode, the outer isolation layer is fixedly connected with the heat conduction layer through a supporting plate, and the heat conduction layer, the supporting bracket and the hot water storage tank are adjacently connected in a welded mode.

The invention relates to the technical field of steam systems, and discloses a boiler system with a heat energy recovery function. The boiler system comprises a boiler assembly, and further comprisesa heat energy recovery assembly, a water storage device and a control device, and the boiler assembly is connected with a flue device. According to the boiler system, flue gas heat energy is recoveredby a heat exchange tube, then water which has been heated is delivered to the boiler assembly from the inside of the flue device through a second pumping device, thus, fuels for heating a boiler is reduced, the fuels are saved by 35% or above, and the heat efficiency recovery rate is high. The invention also provides a heat energy recovery method of the boiler, in the recovery method, heat energyis recovered in a mode that recovery heat pipes distributed along a flue gas channel are opposite to flue gas emission, so that the flue gas at high temperature with high heat can be recovered to themaximum extent, the flue gas emission temperature is lower than 100 DEG C, and the energy-saving effect is obvious.

The invention discloses heat energy recovery system with filtrating equipment that is not easily plugged and of high recovery efficiency against plugged easily of filter and low recovery efficiency problems of existing heat energy recover device of wastewater. It comprises wastewater filtrating equipment, heat exchanger, hot-water boiler, the inlet of wastewater filtrating equipment connects of the wastewater source, its output end connects hot-water side of heat exchanger, the heat exchanger is connected with the discharge pipe, the cold-water side of the heat exchanger is connected with cold clear water and hot-water boiler, its characteristics are the said wastewater filtrating equipment is composed of the wastewater box, at least one rotary screen filter screen, air knife, the impurity retainer, the said rotary screen filter screen is installed on the rotating shaft, air knife and the impurity retainer were installed both side of rotary screen filter screen each, feed mouth of air knife and the impurity retainer are higher than the liquid level of wastewater. It has characteristics of high efficiency and can meet the requirements of environmental protection.

The invention relates to an energy-saving catalytic bed system which comprises an air inlet cover, a furnace body, an air outlet cover and a heat exchanger; air inlet channels and air outlet channels are alternatively arranged between the inner coaming of the furnace body and the outer coaming of the furnace body; the inlet of each air inlet channel is arranged on an upper end plate, and the outlet of each air inlet channel is arranged between a lower end plate and the inner coaming of the furnace body; the inlet of each air outlet channel is arranged between the upper end plate and the inner coaming of the furnace body, and the outlet of each air outlet channel is arranged on the lower end plate; a heater is arranged in the furnace body which corresponds to the outlets of the air inlet channels; an air outlet deflection cover is arranged below the middle part of the lower end plate which corresponds to the outlet of the air outlet cover; the heat exchanger is provided with a catalytic exhaust inlet, a catalytic exhaust outlet, a catalytic gas inlet, a catalytic gas outlet, a desorption gas supply inlet and a desorption gas supply outlet. According to the energy-saving catalytic bed system, the heat efficiency of a catalytic bed is effectively improved, the heat loss is reduced, the heat recovery and utilization rate is improved, the burning efficiency and purification rate are improved, heat exchange is increased, the heat energy is utilized more reasonably, and the energy saving and emission reduction requirements are met.

The invention discloses an exhaust gas waste heat recycling device used in an organic silicon production process and an application method thereof. The device comprises a heat preservation box, a gathering box, a fixing frame, an outer chimney, a gas leakage pipe, an inner chimney, a spiral pipe, a catchment, a gas inlet pipe, an abutting joint port, a collection port, short protrusions, gaps andlong protrusions. The device has the advantages that a plurality of short protrusions and long protrusions are symmetrically arranged on the inner wall of the inner chimney, one gap of a Z-shaped structure is formed between every two short protrusions and long protrusions, exhaust gas passes through the gaps of the Z-shaped structures, and the standing time is prolonged. The spiral pipe matched with the inner chimney and the outer chimney in spacing distance is installed between the inner wall of the outer chimney and the outer wall of the inner chimney and winds the outer wall of the inner chimney, and the abutting joint port of the spiral pipe is communicated with the gas leakage pipe; when too much gas flows inside at a time, gas leakage occurs, and leaked gas is directly introduced into the collection port of the spiral pipe at this moment so that the heat of the waste gas introduced into the spiral pipe can also be recycled.