31results about How to "Few supporting facilities" patented technology

The invention provides a phosphate ore photoelectric separation process, phosphate raw ore screening; the ore obtained by screening is transported to the photoelectric sorting machine through a belt conveyor, and the ore and material are identified through X-ray perspective, and the X-ray is used to detect the ore. Each piece of ore is identified, the data is collected by the detector, and the ore and the waste rock are identified and distinguished through the intelligent algorithm; after the identification by the photoelectric sorter, the high-speed air gun is used to accurately hit the concentrate and the tailings, and the completion can be completed Photoelectric beneficiation of phosphate rock. In the phosphate ore screening process, the raw ore is crushed and vibrated to obtain ores with a particle size > 50 mm, which are then crushed again, and the ores with a particle size of 20-50 mm are sent to a photoelectric sorter for photoelectric sorting. At present, it only targets the high-magnesium phosphate rock with medium phosphorus layer, and the separation effect is remarkable. If the grade of selected raw ore is 17.5%, the yield can reach more than 40%, and the recovery rate is high.

The invention provides a storage and emergency supply device and method for a standby instrument gas source. The device comprises a storage and gasification device, a nitrogen making machine and a buffer tank. The storage and gasification device comprises a liquid nitrogen storage tank, a control valve unit and a vaporizer. The liquid nitrogen storage tank, the control valve unit and the vaporizer are sequentially connected in series through a pipeline. Liquid nitrogen in the liquid nitrogen storage tank is input to the vaporizer through the opened control valve unit, and the vaporizer is provided with an output port. The nitrogen making machine is provided with the inlet and a liquid nitrogen outlet. The liquid nitrogen outlet is connected with an inlet of the liquid nitrogen storage tank through a pipeline. The outlet of the buffer tank is connected with an external purified compressed air pipe network through a pipeline. The inlet of the buffer tank is connected with the output port of the vaporizer through a gas supply pipeline. The purified compressed air pipe network is provided with an air pressure sensor used for transmitting signals of air pressure values of the purified compressed air pipe network, and the control valve unit is controlled to be opened and closed through the output signals of the air pressure sensor. Compared with a conventional device and method, the investment is low, the occupied area is small and public and auxiliary consumption is avoided.

The invention relates to an ethylene oxide preheating, sterilization and resolution integrated cabinet and a sterilizing method. The integrated cabinet comprises a cabinet body, wherein a sealing door is arranged on the front part of the cabinet body; a cavity in the cabinet body is connected with a vacuum pump through a vacuumizing pipeline; the cavity in the cabinet body is connected with a humidifying device through a humidifying pipeline; the cavity in the cabinet body is connected with wet and hot air making devices through wet and hot air delivery pipelines; a heating water jacket is arranged outside the cabinet body; a circulating air pipeline is arranged on the outer side of the cabinet body; a fan is connected in series to the circulating air pipeline; an air inlet of the circulating air pipeline is arranged on one side in the cabinet body; an air outlet of the circulating air pipeline is arranged on the other side in the cabinet body; and the cabinet body is connected with an ethylene oxide container through a pipeline provided with a valve. The ethylene oxide preheating, sterilization and resolution integrated cabinet has the advantages of high operating efficiency, few matched facilities, low fault rate, short construction period, low daily using cost and low energy loss, and can reduce pollution to human body and environment and improve the comprehensive benefit by over 40 percent.

The invention relates to a wood electric heating high temperature processing device and a wood heat processing device which has the function of double-heat sources combined drying. The invention comprises a seal tank provided with a seal door, more particularly, the invention also comprises an electric heating sub-device, an air circulating sub-device and a heat exchanging sub-device. The heat sent out by the electric heating sub-device is uniformly distributed in the seal tank by the air circulating sub-device, thereby carrying out processing on the wood in the seal tank; the heat exchangingsub-device can be used for carrying out heating or temperature reducing on the wood. As the electricity is easy to be operated and controlled and the temperature control in the seal tank is accurate and reliable, the device of the invention has the advantages that the operation is simple and the using cost is low. The heat sent out by the electric heating sub-device is directly used for heating the wood by the air circulating sub-device in the seal tank, which has less heat loss and greatly improves the efficiency of the device greatly; furthermore, the device has less supporting facilities and is faster and simpler to be dismounted and mounted; the wood heat processing device which has the function of double-heat sources combined drying can carry out fast combined drying with high quality on the wood.

The invention discloses an integrated deep domestic sewage treatment facility which comprises a tank body, and an anoxic biochemical region, an aerobic biochemical region and an anaerobic biochemical region which are respectively distributed on the left, in the middle and on the right of the cross section of the tank body, wherein the anaerobic biochemical region and the aerobic biochemical region are communicated with each other only through the bottoms; the top liquid level of the aerobic biochemical region is higher than the top liquid level of the anoxic biochemical region; the top of the aerobic biochemical region is provided with a water outlet pipe extending into the aerobic biochemical region, and an overflow weir communicated with the anoxic biochemical region; the upper part liquid level of the anoxic biochemical region is higher than the upper part liquid level of the anaerobic biochemical region; the bottom of the anoxic biochemical region is communicated with the upper part of the anaerobic biochemical region through a gravity pipeline; the tank body is provided with a water inlet pipe communicated with the anaerobic biochemical region; the bottom of the aerobic biochemical region is provided with an aerator; the top of the aerobic biochemical region is provided with a biochemical water outlet and a precipitation tank water inlet pipe which are communicated to a precipitation tank; the precipitation tank is communicated with a sand filter tank through a sand filtration lifting water pump mechanism; and a back flush dynamic drift sand filter is arranged in the sand filter tank. The invention also discloses a sewage treatment method using the facility.

The invention discloses intelligent management system and method of an electric power grounding wire based on an RFID (Radio Frequency Identification Device). The intelligent management system of the electric power grounding wire comprises an RFID electronic label installed on a grounding wire, an RFID electronic label installed on an electric power tower, a hand-held PDA (Personal Digital Assistant) and a warehouse server, wherein the RFID electronic label installed on the grounding wire is used for storing the parameter information of the grounding wire; the RFID electronic label installed on the electric power tower is used for storing the parameter information of the tower; and the RFID electronic label on the grounding wire is respectively in radio-frequency wireless connection with the hand-held PDA and the warehouse server, the RFID electronic label on the tower is in radio-frequency wireless connection with the hand-held PDA, and the hand-held PDA is communicated with the warehouse server through a communication network. The grounding wire closed-loop management system based on the RFID can be used for effectively improving the warehousing management level of the groundingwire, reducing equipment loss, preventing the misoperation of hanging / removing operation of the grounding wire and improving the running efficiency of an electric power system and the safety levels of workers.

The invention discloses an arched geological exploration adit tunneling method based on a small TBM. According to the arched geological exploration adit tunneling method based on the small TBM, the requirements of small disturbance to surrounding rock, good adit chamber stability, a level and smooth and round tunneling face, accurate positioning, no back break and the like can be met, and the effects of high efficiency, good quality, technical feasibility, economic rationality, safety and environmental protection and the like are achieved; the small TBM with the diameter of 1.0 m, 1.5 m or 2 mis utilized, the small TBM has the characteristics of light weight, dexterity, easy moving and handling and the like, in addition, the equipment power is relatively small, used auxiliary facilities and the like are relatively less, so that the small TBM is used for alpine and gorge regions and narrow site regions, and the range of application is wide; and compared with an existing square, rectangular or a circular adit, a geological exploration adit obtained by the tunneling method is in an arch shape and has the advantages that the adit chamber stability is good, the adit chamber usage rateis high, and the digging amount is less.

The invention discloses a symmetrical wheel-shaped geological exploration adit tunneling method based on a miniature TBM. By the adoption of the method, the requirements on small disturbance of surrounding rock, good stability of cavities, level and smooth tunneling faces, accurate positioning and no over-excavation can be met, and the effects of high efficiency, high quality and technical feasibility and the economic and reasonable, safe and environment-friendly effects are achieved. According to the symmetrical wheel-shaped geological exploration adit tunneling method, the miniature TBM withthe diameter of 1.0 m is utilized and has the beneficial effects of light weight, dexterity, easy moving and lifting and the like, and the equipment power of the miniature TBM is relatively small, sothat the number of supporting facilities used is relatively small, and the miniature TBM is used in mountain valleys and narrow areas and has a wide range of applications; and a geological exploration adit obtained by the tunneling method is in a symmetrical wheel shape and has the beneficial effects of good stability of the cavity, high utilization rate of the cavity, less excavation and the like compared to existing square or rectangular or circular adits.

The invention discloses a cable-free type pipeline countercurrent crawl device which comprises a crawl barrel, a driving mechanism, a front slip crawl mechanism and a rear slip stop mechanism, wherein the front slip crawl mechanism is in screw transmission fit with the driving mechanism, so that the front slip crawl mechanism can reciprocate along a crawl groove; the crawl device further comprises an unlocking mechanism which comprises a center rod, a front unlocking pull rope and a rear unlocking pull rope; and the front unlocking pull rope and the rear unlocking pull rope drive the front slip crawl mechanism and the rear slip stop mechanism to be folded radially through the backward motion of the center rod.. According to the cable-free type pipeline countercurrent crawl device, motion of a fluid in a pipe is directly used for acquiring power, the device can crawl in a pipeline in a direction against the fluid, and the unlocking mechanism is triggered under a specific condition, and the device can return back in the fluid direction, so that automatic changeover of countercurrent advancing and fair current returning is realized. The cable-free type pipeline countercurrent crawl device is applicable to cleaning, inspection, surveying and mapping operation of a pipeline which is smaller in inner diameter, longer in operation distance and complex in work environment.