204results about How to "Does not require frequent replacement" patented technology

A multi-stage intensifying auxiliary sintering type ignition holding furnace comprises a sintering machine (1), an ignition device (2) and an auxiliary combustion device (3), wherein the sintering machine (1) has a trolley (1); the ignition device (2) and the auxiliary combustion device (3) are orderly arranged on the trolley (1); the auxiliary combustion device (3) has a hot air device (4), a blow-injection device (5) and an auxiliary combustion cover (6); the hot air device (4) has a hot air pipeline (401); and the blow-injection device (5) has a fuel gas total pipe (501), a fuel gas branch pipe (502), a blow-injection pipe (503) and a rack (504). The multi-stage intensifying auxiliary sintering type ignition holding furnace can replace coke by partial fuel gas and hot smoke and achieves sintering bed segregation coke distribution effect via phase conversion; blow-injection device adjustability and freedom can be enhanced; multi-procedure multi-medium coupling blow-injection can be achieved; and the multi-stage intensifying auxiliary sintering type ignition holding furnace has great safety performance and high sintering quality.

The invention relates to an air purifier for a workshop with flying dust. An exhaust fan and a filter net are respectively fixedly installed on two ends of an air supply pipe, the exhaust fan and the filter net can completely block the cross section of the air supply pipe, a vibrator is arranged outside the air supply pipe, the vibrator can strike the filter net in a vibrating manner, a sewage discharge pipe and an air blowing pipe are respectively communicated with the air supply pipe and are adjacent to the filter net, the sewage discharge pipe and the air blowing pipe are opposite to each other on the junction of the surface of the air supply pipe, an air blower is arranged on the tail end of the air blowing pipe, and the sewage discharge pipe is connected to the exterior of the workshop. Flying dust on the filter net can be separated in time in a vibrating manner and can be blown to the sewage discharge pipe in time so as to be sent out of the workshop, excessive flying dust can be prevented from being accumulated on the filter net, the filter net can be used for a long time and does not need to be frequently replaced, and the use is convenient.

The invention discloses an adjustable tool clamp for compressor impeller five-axis machining. The adjustable tool clamp comprises a round chassis, and four guide grooves are evenly distributed in the round chassis and arranged in a crossed shape. An adjustable locating block capable of moving in the length direction of the guide grooves is arranged in each guide groove, and the top ends of the four adjustable locating blocks jointly form a supporting face used for supporting the back of a compressor impeller to be machined. A central hole is formed in the center of the round chassis, a central locating rod used for being connected with the compressor impeller to be machined in a sleeved mode is arranged in the central hole, and the upper portion of the central locating rod is provided with a compressor impeller locking structure. Through the method, the adjustable tool clamp is simple and reasonable in structure, the size of an opening can be adjusted according to the actual size of the compressor impeller to be machined, frequent replacement of clamps is not needed, machining efficiency is improved, and excellent generality and practicality can be achieved.

The invention relates to a ZigBee-based wireless dynamometer, which comprises a sensor module, a power supply module and a ZigBee panel and is mainly characterized in that a ZigBee wireless network transmission mode is provided, the working condition of an oil pumping well can be monitored remotely in real time, and the well yield is estimated. According to the invention, a solar panel is designed for supplying power to a chargeable manner, and a battery does not need to be replaced frequently. The ZigBee-based wireless dynamometer disclosed by the invention can store a large amount of dynamometer diagrams, read historical data or carry out real-time measurement in a wireless manner and obtain a measuring result with high precision and high stability on an oil pumping well.

The invention discloses an air purifier. The air purifier comprises a purifier casing, an air inlet fan, a filter net, a water mist generator, an electrostatic device and a sewage storage box, wherein the air inlet fan is mounted on the inner side of an air inlet or an air outlet of the purifier casing; the filter net comprises a front filter net body and a back filter net body which are mounted on inner sides of the air outlet and the air inlet of the purifier casing respectively, and the front filter net body, the back filter net body and the purifier casing form an airtight cavity; the water mist generator is mounted at the bottom of the airtight cavity, is used for generating small water mist particles with high concentration and enables the cavity to be full of the particles; the electrostatic device is mounted in the purifier and matched with the water mist generator to enable the water mist particles to be charged; the sewage storage box is mounted at the bottom of the purifier. The air purifier has the benefits as follows: the filtering effect is good; charged water mist is collected into the sewage storage box after adsorbing dust, and the air purifier is easy to clean and convenient to use; no consumable is used, core filter components are not required to be replaced frequently, and the using cost is reduced.

The invention relates to a lighting uniformity correction device, a lighting uniformity correction method and an exposure projection system. The lighting uniformity correction device comprises a variable light shielding correction device, a variable gray compensation plate device and a variable reflection mirror array device, wherein the variable light shielding correction device comprises a plurality of correction component pairs which are arranged on the cross section of a lighting beam; the plurality of the correction component pairs are arranged at intervals in a non-scanning direction tocover a whole lighting field and are overlapped in the scanning direction to cover the whole lighting field; the variable gray compensation plate device comprises two flat plates which can be moved relatively and have different gray transmittance rates; and the variable reflection mirror array device comprises a variable reflection mirror optical device; and the variable reflection mirror opticaldevice consists of a plurality of reflection mirror arrays with variable reflection rates. By adjusting the shapes and the overlapping modes of the component pairs, the transmittance rates of the flatplates and the reflection rates of the reflection mirror arrays, the lighting uniformity of the whole lighting field in multiple lighting modes is adjusted. By adopting the lighting uniformity correction device, the problems that gray compensation plates are frequently replaced, and properties of pupil uniformity and view field integral uniformity cannot be met in multiple lighting modes are solved.

The invention discloses a knife grinder with a ceramic tip, and relates to the technical field of knife grinding machinery. The knife grinder with the ceramic tip comprises a frame, a clamping mechanism and a grinding mechanism; the clamping mechanism is used for clamping the knife to be ground, and the clamping mechanism can be driven by a screw rod to slide along a sliding rail; the grinding mechanism is provided with a height adjusting screw so as to adjust the height of the grinding mechanism; and a front-and-rear adjusting screw rod to adjust the front and rear positions of the grinding mechanism. By adjusting the positions of the clamping mechanism and grinding mechanism, the relative position of the tip on the grinding mechanism and the knife to be ground is conveniently adjusted.

The invention provides a hydrochloric acid pool heating pipe which relates to a heating device used in a hydrochloric acid pool for washing seeds in a seed station. The hydrochloric acid pool heatingpipe comprises an electric heating wire (1), an insulating layer (2) and a tetrafluoroethylene layer (3), wherein the electric heating wire (1) is arranged in the insulating layer (2), and the tetrafluoroethylene layer (3) is arranged outside the insulating layer (2). The hydrochloric acid pool heating pipe has simple structure, relieves the corrosion of the hydrochloric acid to the heating wire to prolong the service life of the heating wire, has no need of replacing the heating wire frequently, and reduces the cost for washing seeds.

An indoor air purification device comprises a housing and a controller, the housing comprises an air inflow part and an air changing part, a partition plate is disposed in the center of the air inflow part and divides the air inflow part into a left passage and a right passage, a left end of the air inflow part is provided with a left filter screen while a right end of the air inflow part is provided with a right filter screen, a direction-changing wind shield device is connected in a mobile manner at an inner end of the partition plate, both the left filter screen and the right filter screen are provided with circulating cleaning devices, an air extracting device is disposed inside the air inflow part, and a controller is connected with the direction-changing wind shield device, the circulating cleaning devices and the air extracting device. When the indoor air purification device is used for purifying indoor air, the cleaning efficiency of the device can be maintained, and troubles of cleaning the filter screens are avoided.

The invention belongs to the automobile conservation technology and the novel suspension field, and in particular relates to an automobile suspension vibration energy regeneration system. The novel energy reclaiming suspension system comprises a lower-mobility parallel mechanism, a rotary ultrasonic motor, a super capacitor and a storage battery. The novel energy reclaiming suspension system can convert vertical vibration of the automobile suspension into rotary movement of the rotary ultrasonic motor by the lower-mobility parallel mechanism, and the rotary movement makes the surface of a piezoelectric disk of the ultrasonic motor be deformed under the action of the friction to generate electrical energy. The system has simple structure, high rigidity, high sensitivity and high energy conversion efficiency, and can effectively achieve the suspension vibration energy recovery.

The invention discloses a jig for drilling of a circular shaft. The jig for the drilling of the circular shaft comprises an upper jig and a lower jig which are used cooperatively, and is characterized in that two semicircular through grooves are respectively formed in portions of the upper jig and the lower jig, which are corresponding, a baffle is arranged on the same side of the semicircular through grooves, the baffle is inserted into the lower jig through clamp grooves in the lower jig, the number of the clamp grooves is more than one, the clamp grooves are formed in the lower jig in parallel mode, and vertical to the semicircular through grooves, another clamp groove is further formed in a portion of the upper jig, corresponding to the clamp grooves in the lower jig, two thread holes are respectively formed in edges of the upper jig and the lower jig in corresponding mode, and a bolt passes through the upper jig and the lower jig, and clamps the upper jig with the lower jig by cooperating with a nut. The jig for the drilling of the circular shaft is simple in structure and stable in clamping, achieves a fixing function in the radial direction of the circular shaft by using the upper jig cooperatively with the lower jig, achieves a fixing function for an axial device of the circular shaft through the baffle, and thereby clamps the circular shaft.

An optical/electrical-Fenton sewage treatment device based on a boron-doped diamond film electrode comprises a dark chamber, a refrigeration device, a light source adjuster and an electrolytic cell direct current power supply, wherein the refrigeration device is used for adjusting the inside temperature of the dark chamber, and the electrolytic cell direct current power supply adjusts direct-current voltage and current on the electrode; a magnetic stirrer heats sewage in a stirring container, and a light source of a light emitting device irradiates to-be-treated sewage in the container. The optical/electrical-Fenton sewage treatment device has the advantages as follows: the device takes the boron-doped diamond film electrode as a positive electrode to realize an electrochemical reaction of a Fenton solution, the boron-doped diamond film electrode has high oxygen evolution potential and has high oxidizability for organic matters, and the synergistic effect of light degradation and ferrous ion circulation can be realized under the action of an ultraviolet source. According to the method, the boron-doped diamond film electrode is sufficiently combined with a Fenton reaction, and degradation of the sewage is effectively improved.