41results about How to "Ensure waste heat utilization" patented technology

The invention discloses an eliminating type coke oven afterheat recovery power generating system based on a voltage stabilizing power supply circuit. The eliminating type coke oven afterheat recovery power generating system mainly consists of a coke oven top big pit and an oven top cylinder brick covering the top surface of the coke oven top big pit, wherein a perforated steel plate, a heat insulation plate layer and a perforated steel plate are sequentially arranged inside the coke oven top big pit from bottom to top, a heat insulation brick layer arranged between the perforated steel plate and the heat insulation plate layer is formed by filling heat-resistant sealing slurry in an inside gap part of the coke oven top big pit, a heat exchanger and an evaporator forming a sealed loop are arranged outside the coke oven top big pit, an afterheat power generating system is also arranged on the evaporator, an afterheat control circuit is arranged in the afterheat power generating system, a static electricity eliminating circuit, an overcurrent protection circuit, a control type power supply circuit, a voltage stabilizing power supply circuit and a control type output circuit are arranged in the afterheat control circuit, and the overcurrent protection circuit, the control type power supply circuit, the voltage stabilizing power supply circuit and the control type output circuit are in sequential connection.

The invention discloses a current source feedback type waste heat generating system based on blast furnace superconducting cooling. The current source feedback type waste heat generating system based on the blast furnace superconducting cooling mainly comprises a blast furnace body (1), an electrical power generating system (12), a steam utilizing device, more than one superconducting annular heat exchange ring (2) which is hierarchically arranged along the side wall of the blast furnace body (1) in a surrounding manner and a waste heat control treatment system. The current source feedback type waste heat generating system based on the blast furnace superconducting cooling has the advantages that hot water after heat exchange is discharged in a concentrated manner by virtue of the superconducting annular heat exchange rings which are embedded in the side wall of the blast body and a corresponding annular pipeline system, so that heat exchange intensity is improved, heat exchange efficiency and cooling efficiency are improved; and temperature of the traditional cooling water is increased to 250 DEG C from 40 DEG C, and then the traditional cooling water is overheated to 400 DEG C by applying the superconducting heat exchange rings twice, so that cooling waste used for power generation is realized.

The invention discloses a blast furnace superconductive cooling waste heat power generation system based on a bias adjustable current source. The system is mainly formed by a blast furnace body (1), a power generation system (12), a steam utilization device, more than one superconductive annular heat transfer ring (2) in layered encircling arrangement along the side wall of the blast furnace body (1), pouring solidification bodies (10) made of wear-resisting heat-shock-resistant anti-permeability coal elastic refractory castables and arranged on each superconductive annular heat transfer ring (2), and lower conduits (32) connected in series with a lower circulation port of each superconductive annular heat transfer ring (2). According to the system, hot water obtained after heat transfer is exported in a concentrated manner through the superconductive annular heat transfer rings embedded in the side wall of the blast furnace body and annular pipeline systems corresponding to the superconductive annular heat transfer rings, so that heat transfer intensity is enhanced, heat transfer efficiency and cooling efficiency are improved, and cooling water temperature is improved from the original 40 DEG C to 250 DEG C; and then, the water is overheated to a temperature of 400 DEG C through twice applications of the superconductive annular heat transfer rings, and thus the cooling waste heat is allowed to be utilized for power generation.

The invention discloses a protection type coke oven waste heat recovery power generation system based on a boost power supply circuit. The system is mainly composed of a coke oven top large pit and oven top quarry tiles covering the surface of the top of the coke oven top large pit. A porose steel plate, a heat insulation plate layer and a porose steel plate are sequentially arranged in the coke oven top large pit from bottom to top. Heat preservation brick layers between the porose steel plates and the heat insulation plate layer are formed by filling the inner gaps inside the coke oven top large pit with heat-resisting sealing slurry. A heat exchanger and an evaporator which form a closed loop are arranged outside the coke oven top large pit. A waste heat power generation system is arranged on the evaporator. A waste heat control circuit is arranged in the waste heat power generation system. An over-current protection circuit, a control type power supply circuit, the boost power supply circuit and a control type output circuit are connected in sequence and arranged in the waste heat control circuit.

The invention discloses a coke oven top waste heat recycling and electricity generation system based on an efficient drive power source circuit. The coke oven top waste heat recycling and electricity generation system is mainly composed of a large coke oven top pit and oven top quarry tiles covering the surface of the top of the pit. The large coke oven top pit is internally and sequentially provided with a porous steel plate, a heat insulation plate layer and the porous steel plate from bottom to top. A heat preservation tile layer arranged between the porous steel plates and the heat insulation plate layer is formed by pouring heat-resisting sealing slurry into seams of the large coke oven top pit. A heat exchanger and an evaporator for forming a sealing loop are arranged outside the large coke oven top pit. The evaporator is further provided with a waste heat electricity generation system. The waste heat electricity generation system is internally provided with a waste heat control circuit. The waste heat control circuit is internally provided with a control type power circuit, the efficient drive power source circuit, and a control type output circuit which are sequentially connected.

The invention discloses an alarm type coke oven waste heat recovery power generation system based on a power supply adjustment circuit. The system is mainly formed by a coke oven top large pit and oven top clinker tiles which cover the top surface of the coke oven top large pit. The internal part of the coke oven top large pit is orderly provided with a perforated steel plate, a heat insulation plate layer and a perforated steel plate from bottom to top. A heat preservation tile layer arranged between the perforated steel plate and the heat insulation plate layer, and the internal gap of the coke oven top large pit is filled with heat resistant sealing slurry. The external part of the coke oven top large pit is provided with a heat exchanger and an evaporator to form a closed loop. The evaporator is provided with a waste heat power generation system which is internally provided with a waste heat control circuit. The waste heat control circuit is internally provided with a power-off alarm circuit and is also provided with an overcurrent protection circuit, a control type power supply circuit, a power supply adjustment circuit and a control type output circuit which are connected in order.

The invention discloses a wet protection type coke oven after heat power generating system based on a stabilization power supply circuit. The wet protection type coke oven after heat power generating system based on the stabilization power supply circuit mainly consists of a coke oven top hollow place and oven top cylinder bricks covering the surface of the top thereof. A porous steel plate, a heat insulation plate layer and another porous steel plate are sequentially arranged inside the coke over top hollow place from top to bottom. Heat preservation brick layers are arranged among the porous steel plates and the heat insulation plate layer; and a heat-resisting sealing pulp is filled inside the seam of the coke oven top hollow place. A heat exchanger and an evaporator forming an enclosed loop are arranged outside the coke oven top hollow place. The evaporator is further provided with an after heat power generating system. An after heat control circuit is arranged inside the after heat power generating system. The after heat control circuit is provided with a thermal induction automatic switching circuit, and a controlled power supply circuit, a stabilization power supply circuit as well as a controlled output circuit that are sequentially connected with one another.

The invention discloses a warning type coke oven waste heat recovery power generation system based on a boosting power supply circuit. The warning type coke oven waste heat recovery power generation system based on the boosting power supply circuit is mainly composed of a big coke oven top pit, oven top clinker bricks which cover the top surface of the big coke oven top pit, a porous steel plate, an insulation board layer and a porous steel plate arranged in the big coke oven top pit in sequence from the bottom to top, an insulating brick layer arranged between the porous steel plate and insulation board layer, and heat-resistant sealing slurry filled in a gap in the big coke oven top pit, a heat exchanger and an evaporator which form a closed loop are arranged at the outside of the big coke oven top pit, the evaporator is further provided with a waste heat power generation system, a waste heat control circuit is arranged in the waste heat power generation system, and the waste heat control circuit is provided with an outage warning circuit, and an over-current protection circuit, a control type power circuit, the boosting power supply circuit and a control type output circuit connected in sequence.

The invention discloses a current source-based bipolar oscillating type waste heat power generating system. The current source-based bipolar oscillating type waste heat generating system mainly comprises a blast furnace body (1), a power generation system (12), a steam utilization device, more than one superconductive annular heat exchange ring (2) arranged along the side wall of the blast furnace body (1) in a layered surrounding type, a waste heat control processing system and the like. According to the current source-based bipolar oscillating type waste heat power generating system, hot water subjected to heat exchange is concentrately guided out through the superconductive annular heat exchange rings embedded in the side wall of the blast furnace body and an annular pipeline system corresponding to the superconductive annular heat exchange rings, so that the heat exchange strength is increased, the heat exchange efficiency and the cooling efficiency are improved, and in addition, the temperature of cooling water in a traditional mode is increased to 250 DEG C from 40 DEG C, and is overheated to 400 DEG C after being treated by the superconductive heat exchange rings twice, and thus cooling waste heat can be used for power generation.

The invention discloses a thermal protection type coke oven waste heat electricity generation system based on a boost power circuit. The thermal protection type coke oven waste heat electricity generation system is mainly composed of a large coke oven top pit and oven top quarry tiles covering the surface of the top of the pit. The large coke oven top pit is internally and sequentially provided with a porous steel plate, a heat insulation plate layer and the porous steel plate from bottom to top. A heat preservation tile layer arranged between the porous steel plates and the heat insulation plate layer is formed by pouring heat-resisting sealing slurry into seams of the large coke oven top pit. A heat exchanger and an evaporator for forming a sealing loop are arranged outside the large coke oven top pit. The evaporator is further provided with a waste heat electricity generation system. The waste heat electricity generation system is internally provided with a waste heat control circuit. The waste heat control circuit is internally provided with a thermal automatic switching circuit, a control type power supply circuit, the boost power circuit and a control type output circuit, wherein the control type power supply circuit, the boost power circuit and the control type output circuit are sequentially connected.

The invention discloses a thermal induction type coke oven waste heat recovery power generation system based on a stabilized power supply circuit. The system is mainly composed of a coke oven top large pit and oven top quarry tiles covering the surface of the top of the coke oven top large pit. A porose steel plate, a heat insulation plate layer and a porose steel plate are sequentially arranged in the coke oven top large pit from bottom to top. Heat preservation brick layers between the porose steel plates and the heat insulation plate layer are formed by filling the inner gaps inside the coke oven top large pit with heat-resisting sealing slurry. A heat exchanger and an evaporator which form a closed loop are arranged outside the coke oven top large pit. A waste heat power generation system is arranged on the evaporator. A waste heat control circuit is arranged in the waste heat power generation system. A control type power supply circuit, the stabilized power supply circuit and a control type output circuit which are connected in sequence and a thermal induction automatic switching circuit are arranged in the waste heat control circuit.

The invention discloses a trilinear drive type waste heat power generation energy-saving control system based on overvoltage and overcurrent protection. The system is composed of a blast furnace body (1), a power generation system (12), a steam utilizing device, two or more annular superconduction heat exchange rings (2) which are annularly arranged along the side wall of the blast furnace body (1) in a layered mode, a waste heat control and treatment system and the like. The waste heat control and treatment system comprises a diode rectifier U, a voltage stabilization and transformation circuit, a three-terminal voltage stabilizing control circuit and a trilinear driving circuit. The trilinear drive type waste heat power generation energy-saving control system is characterized in that an overvoltage and overcurrent protection circuit is further connected in series between the voltage stabilization and transformation circuit and the trilinear driving circuit. According to the trilinear drive type waste heat power generation energy-saving control system, due to the annular superconduction heat exchange rings which are embedded in the side wall of the blast furnace body and annular pipeline systems corresponding to the annular superconduction heat exchange rings, hot water produced after heat exchange can be led out in a concentrated mode, and heat exchange efficiency and cooling efficiency are improved; besides, due to the fact that the superconduction heat exchange rings are applied twice to be overheated to 400 DEG C, cooling waste heat can be used for generating electricity.

The invention discloses a thermal protection type coke oven waste heat recovery and power generation system based on a high-efficiency driving power supply circuit. The thermal protection type coke oven waste heat recovery and power generation system is mainly composed of a large pit in a coke oven roof and oven roof quarry tiles covering the surface of the coke oven roof, the interior of the large pit in the coke oven roof is sequentially provided with a steel plate with holes, a thermal insulation board layer and a steel plate with holes from bottom to top, a thermal insulation brick layer is arranged between the steel plate with holes and the thermal insulation board layer, heatproof sealing slurry is poured into internal gaps of the large pit in the coke oven roof, the exterior of the large pit in the coke oven roof is provided with a heat exchanger and an evaporator which form an enclosed loop, the evaporator is also provided with a waste heat power generation system, a waste heat control circuit is arranged in the waste heat power generation system, and the waste heat control circuit is provided with a thermal inductance automatic switch circuit, an overcurrent protection circuit, a control-type power supply circuit, a high-efficiency driving power supply circuit and a control-type output circuit, and the overcurrent protection circuit, the control-type power supply circuit, the high-efficiency driving power supply circuit and the control-type output circuit are connected in order.

The invention discloses a blast furnace superconduction cooling waste heat power generation energy-saving control system based on overvoltage and overcurrent protection. The system is composed of a blast furnace body (1), a power generation system (12), a steam utilizing device, two or more annular superconduction heat exchange rings (2) which are annularly arranged along the side wall of the blast furnace body (1) in a layered mode, a waste heat control and treatment system and the like. The waste heat control and treatment system comprises a diode rectifier U, a voltage stabilization and transformation circuit and a three-terminal voltage stabilizing control circuit. The blast furnace superconduction cooling waste heat power generation energy-saving control system is characterized in that an overvoltage and overcurrent protection circuit is further connected in series between the voltage stabilization and transformation circuit and the three-terminal voltage stabilizing control circuit. According to the blast furnace superconduction cooling waste heat power generation energy-saving control system, hot water produced after heat exchange can be led out in a concentrated mode through the annular superconduction heat exchange rings which are embedded in the side wall of the blast furnace body and annular pipeline systems corresponding to the annular superconduction heat exchange rings, hence, heat exchange strength is enhanced, and heat exchange efficiency and cooling efficiency are improved; besides, due to the fact that the superconduction heat exchange rings are applied twice to be overheated to 400 DEG C, cooling waste heat can be used for generating electricity.

The invention discloses a coke oven top afterheat recovery power generating system based on a voltage stabilizing power supply circuit. The coke oven top afterheat recovery power generating system mainly consists of a coke oven top big pit and an oven top cylinder brick covering the top surface of the coke oven top big pit, wherein a perforated steel plate, a heat insulation plate layer and a perforated steel plate are sequentially arranged inside the coke oven top big pit from bottom to top, a heat insulation brick layer arranged between the perforated steel plate and the heat insulation plate layer is formed by filling heat-resistant sealing slurry in an inside gap part of the coke oven top big pit, a heat exchanger and an evaporator forming a sealed loop are arranged outside the coke oven top big pit, an afterheat power generating system is also arranged on the evaporator, an afterheat control circuit is arranged in the afterheat power generating system, and a control type power supply circuit, a voltage stabilizing power supply circuit and a control type output circuit which are in sequential connection are arranged in the afterheat control circuit.

The invention discloses a thermal protection type coke oven waste heat power generation system based on an efficiently-driving power source circuit. The system is mainly composed of coke oven top large pits and oven top clinker bricks covering the surfaces of the tops of the coke oven top large pits, a pored steel plate, a thermal insulation board layer and a pored steel plate are arranged inside each coke oven top large pit in sequence from bottom to top, a thermal insulation brick layer is arranged between each pored steel plate and the corresponding thermal insulation board layer, gaps, inside the corresponding coke oven top large pit, of each thermal insulation brick layer are filled with heatproof sealing slurry in a poured mode, heat exchangers and an evaporator forming a closed loop are arranged outside the coke oven top large pits, a waste heat power generation system body is further arranged on the evaporator, a waste heat control circuit is arranged in the waste heat power generation system body, and a thermal inductance automatic switching circuit and a control type power source circuit, the efficiently-driving power source circuit and a control type output circuit which are connected in sequence are arranged in the waste heat control circuit.

The invention discloses a thermal induction type coke oven after heat recycling power generation system based on an efficient drive power supply circuit. The thermal induction type coke oven after heat recycling power generation system mainly consists of a coke oven top hollow place and oven top cylinder bricks covering the surface of the top thereof. A porous steel plate, a heat insulation plate layer and another porous steel plate are sequentially arranged inside the coke over top hollow place from top to bottom. Heat preservation brick layers are arranged among the porous steel plates and the heat insulation plate layer; and a heat-resisting sealing pulp is filled inside the seam of the coke oven top hollow place. A heat exchanger and an evaporator forming an enclosed loop are arranged outside the coke oven top hollow place. The evaporator is further provided with an after heat power generating system. An after heat control circuit is arranged inside the after heat power generating system. The after heat control circuit is provided with a thermal induction automatic switching circuit, and an overcurrent protecting circuit, a controlled power supply circuit, an efficient drive power supply circuit as well as a controlled output circuit that are sequentially connected with one another.