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89results about How to "Advanced and reasonable design" patented technology

Automatic boiler combustion control system of circulating fluid bed

The invention discloses an automatic boiler combustion control system of a circulating fluid bed, which is applied to machine sets for coal-fired power generation, heat supply or combined heat and power generation. The system comprises hardware and control program software, wherein the control program software comprises a fuel control part, an air volume control part and a deslagging control part, and the control program software can automatically and timely control the input quantity of boiler fuel, the oxygen content in the boiler and the boiler deslagging device. The combustion control system is applicable to all sorts of complicated operating conditions, has consistently correct and reliable reaction, advanced and reasonable algorithm design as well as good control effect, is safe and effective, has the capabilities of improving boiler combustion condition, increasing boiler combustion efficiency and reducing unburned carbon in flue dust, leads main steam pressure control to be stable, enhances the capability of tracking the change in load of the boiler and greatly improves the running safety performance, leads main steam temperature control precision to be effectively improved, avoids temperature excursion of an overheater, reduces the danger of steam turbine water slug caused by low-temperature steam, and improves the thermal efficiency and automation control degree of the steam turbine.
Owner:DONGGUAN TEXWINCA HLDG

Frequency conversion type automatic tension device of extension band type conveyor

InactiveCN101618796AControl to adjust the rotation speedIncrease the retractable tension capacityConveyorsToothed gearingsAutomatic controlEngineering
The invention relates to a frequency conversion type automatic tension device of an extension band type conveyor, comprising a roller, a roller frame, an abdominal ring, a fixing plate, a terminal subassembly, a bearing subassembly, a coupling sleeve, a drive shaft, a speed reducer, a brake, a coupling, a variable-frequency motor, a hydraulic mechanism and an electric cabinet. The frequency conversion type automatic tension device of an extension band type conveyor adopts the design that a retracting roller and a double-planet bevel gear are used for changing directions and speed, a unidirectional wet brake is used for braking, and frequency-conversion speed regulation and hydraulic power are combined, the tension device can be automatically controlled to change speed and directions, brake and wind wire cables, and the like, the electric cabinet is controlled by a microcomputer processor, and a sensor acquires functional information. The frequency conversion type automatic tension device of an extension band type conveyor has advanced design, compact structure, convenient operation and use, high strength and large force, is safe, stable and reliable, and can effectively control the roller to rotate, change the speed and the directions, reinforce the retracting ability and satisfy the tension requirement of the extension band type conveyor under the conditions of long conveying distance, large conveying quantity and high speed.
Owner:TAIYUAN UNIV OF TECH +1

Testing device for simulating spontaneous combustion and fire extinguishment processes of coal

The invention relates to a testing device for simulating spontaneous combustion and fire extinguishment processes of coal. The main structure of the testing device is composed of a reaction kettle, a heating layer, an asbestos thermal insulating layer, a microwave generator, a base, a kettle cover, a gas filter screen, an intake valve, an intake pipe, an exhaust valve, an exhaust pipe, a temperature sensor, an electric cabinet, a control panel, a display screen, an indicator lamp, a power switch, a microwave controller, a measurement regulator, a control circuit board, an oxygen bottle, a nitrogen bottle and a lead, wherein the reaction kettle is employed for heating and preserving heat; the temperature sensor acquires information, and testing indicator gases in the spontaneous combustion and fire extinguishment processes of coal; oxygen is introduced to simulate spontaneous combustion, while the nitrogen is introduced to perform a fire extinguishing test, so that the change rules of the indicator gases of the spontaneous combustion and fire extinguishment processes of coal are obtained; as a result, scientific data is provided for spontaneous combustion fire prevention and extinguishment; besides, the device is advanced and rational in design, compact in structure, safe, stable and reliable, convenient to operate and use, widely applicable to many test and experiment items, high in test accuracy and short in test time.
Owner:TAIYUAN UNIV OF TECH

Dynamic test measuring device for simulating explosion of explosives

InactiveCN101776678AThe measurement data is detailed and accurateAdvancedFuel testingMeasurement deviceWater filter
The invention relates to a dynamic test measuring device for simulating the explosion of explosives, which mainly comprises an upper case, a lower case, a controller, a computer, a printer, an explosive box pallet, an explosion recorder, an explosive box, a camcorder, an electromagnetic lighter, a frequency conversion motor, a cooling water tank, a water pump, a water filter, a water filling opening, a water inlet pipe, a water return water pipe and bolts. The device adopts the man-machine separation design, and the test case adopts a closed shielding structure, the camcorder and the explosion recorder obtain explosion information, and the explosive box is driven by the frequency conversion motor at a high speed to rotate; the electromagnetic lighter and an igniter ignite the explosives to simulate dynamic explosion, and the frequency conversion motor adopts water circulating cooling; and the explosion data is calculated by the computer and printed by the printer. The device has advanced and reasonable design, compact structure, safety, stability and reliability, convenient installation and operation, and accurate measurement data, is a very ideal dynamic test measuring device forsimulating the explosion of the explosives, and can be suitable for the exploding test simulation of various explosives and combustion products.
Owner:SHANXI HANDA SCI & TECH

Synchronous computer controller device for overall tension and construction method

The invention discloses a synchronous computer controller device for overall tension and a construction method. The device comprises a mechanical system, a hydraulic system and a control system, wherein the mechanical system comprises a tensioned space cable structure, a steel tension cable and a tension tool, wherein the steel tension cable is connected with the tensioned space cable structure and the tension tool respectively; the hydraulic system comprises a hydraulic pump station, a hydraulic jack group and various hydraulic valves; the hydraulic jacks are connected with the hydraulic pump station; tensile force is applied to the tension tool; the control system comprises a computer and a main control cabinet; the main control cabinet is connected with a computer, the hydraulic systemand the mechanical system respectively; and the main control cabinet comprises a communication control board, a PLC (Programmable Logic Controller), a phase sequence control relay, various interface boards, a transmission line and a remote monitoring sensor. The device has the advantages of simple manufacturing process, economical efficiency, reasonable manufacturing cost, easiness and convenience for operating, high synchronous control accuracy and the like.
Owner:BEIJING ACAD OF BUILDING ENG +1

System for real-time monitoring and prediction of soil moisture content, and detection method for soil moisture content

The invention discloses a system for the real-time monitoring and prediction of soil moisture content, and a detection method for the soil moisture content. The system comprises a monitoring module and a prediction module. The monitoring module comprises a detection system, a data collector, a wireless transmitter, and a data receiver. The detection system comprises at least two detectors, and the detectors comprise a soil moisture content detector disposed at a to-be-detected point, a precipitation detector, a ground surface wind speed detector, a ground surface temperature detector, a ground temperature detector, and a ground surface air moisture detector. The data collector is connected with the detection system, and the detection system enables the detected data to be transmitted to the data collector and to be transmitted to the data receiver through the wireless transmitter. The prediction module comprises a comprehensive cloud computing platform and an information publishing and self-determining inquiry platform. The comprehensive cloud computing platform is connected with the data receiver, and receives the detection data transmitted by the data receiver. After processing, the detection data is transmitted to the information publishing and self-determining inquiry platform. The system is simple in operation, is stable in performance, is safe in data, is diversified in function, and is high in adaptability.
Owner:GUIZHOU EDUCATION UNIV

Automatic boiler combustion control system of circulating fluid bed

The invention discloses an automatic boiler combustion control system of a circulating fluid bed, which is applied to machine sets for coal-fired power generation, heat supply or combined heat and power generation. The system comprises hardware and control program software, wherein the control program software comprises a fuel control part, an air volume control part and a deslagging control part,and the control program software can automatically and timely control the input quantity of boiler fuel, the oxygen content in the boiler and the boiler deslagging device. The combustion control system is applicable to all sorts of complicated operating conditions, has consistently correct and reliable reaction, advanced and reasonable algorithm design as well as good control effect, is safe andeffective, has the capabilities of improving boiler combustion condition, increasing boiler combustion efficiency and reducing unburned carbon in flue dust, leads main steam pressure control to be stable, enhances the capability of tracking the change in load of the boiler and greatly improves the running safety performance, leads main steam temperature control precision to be effectively improved, avoids temperature excursion of an overheater, reduces the danger of steam turbine water slug caused by low-temperature steam, and improves the thermal efficiency and automation control degree of the steam turbine.
Owner:DONGGUAN TEXWINCA HLDG

Multifunctional chicken raising equipment

The invention discloses multifunctional chicken raising equipment which is characterized in that an electronic control assembly is arranged at the top of a cage shelf assembly; egg picking-up assemblies are mounted on one of the two sides of the cage shelf assembly; a feeding assembly is mounted on the other side of the cage shelf assembly; travelling wheels are mounted at the bottom of the feeding assembly and walk on a pipe; a manure cleaning assembly is arranged at the bottom of the cage shelf assembly; the shelf body of the cage shelf is covered with a material shelf body; feed hoppers are mounted on the material shelf body according to cage layers; the outlets of the feed hoppers face feed troughs; the feed troughs are mounted on the inclined edges of the shelf body; a first bottom plate, a first limiting switch, a second limiting switch and a fixing plate are mounted between the material shelf body and the top of the shelf body; a manure belt bypasses the bottom of each layer of the cage; auxiliary scraping plates are arranged on the side edges of the manure belts; an egg picking-up belt is mounted in front of each layer of chicken cage; the egg picking-up belts bypass a first box body and a second box body; egg picking-up plates and egg supporting hooks are mounted on the first box body and the second box body. The multifunctional chicken raising equipment has the characteristics of automatic feeding, automatic egg picking-up and automatic manure cleaning.
Owner:GUANGXI YULIN XINJIAN BREEDING LTD

Dry wet-type drill box of anchor rod drill carriage

The invention relates to a dry wet-type drill box of an anchor rod drill carriage, which mainly consists of an upper box body, a lower box body, a transmission shaft, a drill bushing, a drill rod, a water seal, a locking disc, a lower end cover, a framework sealing seat, a floating seal, a hydraulic motor, a hydraulic motor connecting block, a liquid preparing plate, a hydraulic motor shaft gear, a transmission shaft gear and a bearing; wherein the drill box can be used in both a dry dedusting state and a wet dedusting state of the anchor rod drill carriage, and takes the cycloid hydraulic motor as power to drive the hydraulic motor shaft gear and the transmission shaft gear to rotate, thus driving the drill bushing and the drill rod to drill holes. By adopting full-sealing structure and combining framework seal, the floating seal, a sealing ring and the water seal, the drill box prevents dry-type boring dust from entering and prevents dust-containing water of wet-type atomizing boring dust removal from entering, thus leading the drill box to have drilling operation in a full-closed state. The drill box is advanced and reasonable in design, compact in structure, convenient in use and installation, safe, stable and reliable, and has dual purposes of dry and wet dust removal and good universality, thus being an ideal drill box of the anchor rod drill carriage and used on similar equipment.
Owner:TAIYUAN INST OF CHINA COAL TECH & ENG GROUP +1
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