16results about How to "Low pollution rate" patented technology

This invention relates to the field of laser cutting technology, specifically a laser processing device for the production of disconnect switches. The device includes a main body with a sliding arm slidably connected to it. A transverse drive is slidably connected to the sliding arm, and a laser cutting head is mounted on the transverse drive. A follow-up pretreatment mechanism is fixedly connected to the sliding arm. The follow-up pretreatment mechanism includes a second double-headed telescopic rod fixedly connected to both sides of the sliding arm. An upper plate and a lower plate are fixedly connected to the upper and lower sides of the second double-headed telescopic rod, respectively. This device uses multiple telescopic rods to move the adsorption box, achieving sealing of the adsorption box and opening of the suction box. Simultaneously, it uses a wedge, rack, and gear linkage to switch the clean section of the dustproof cloth strip, automatically cleaning the protective mirror through negative pressure suction and wiping with the clean cloth strip. Compared to manual cleaning of the protective mirror, this cleaning method is more convenient and efficient, improving the overall cutting efficiency of the equipment.

This invention relates to the field of brine purification technology in the salt production industry, and discloses a silicon carbide flat-sheet membrane brine purification system and process for the salt production industry. The invention uses a modular silicon carbide flat-sheet membrane filtration unit as its core, combined with a minimalist pretreatment feeding unit. Through the modular collaborative design of an open-top membrane tank shell at atmospheric pressure, a detachable stackable membrane tower, a negative pressure water production component, an array-type aeration component, and a refined brine backwashing component, it achieves negative pressure suction filtration with the membrane tower completely submerged in the crude brine, directly treating crude brine containing calcium and magnesium precipitates without the need for pre-filtering and circulation equipment. The modular design of each component in this system allows for easy assembly and disassembly, high filtration accuracy, low energy consumption, strong anti-fouling properties, and stable production of calcium and magnesium precipitates. 2+ +Mg 2+ The refined brine with ≤1ppm and SS≤1ppm has significant advantages over traditional ceramic membrane systems in terms of equipment investment, operating costs, membrane life and industrial adaptability. It can be widely used in brine refining in the salt industry and brine refining in chlor-alkali systems.

The application discloses a kind of promoting Jinfoshan square bamboo shoot of Raoultella Raoultella Sp.CS106 strain, screening method and application belong to the field of agricultural microorganism technology;The strain preservation number is CCTCC NO:M2026382, and NCBI registration number is PX945738.This strain is isolated from the rhizosphere soil of Jinfoshan square bamboo, is gram-positive bacteria, has the ability of nitrogen fixation, organic phosphorus, inorganic phosphorus and potassium, can produce auxin, iron carrier and ammonia, can decompose urea and reduce nitrate, and is suitable for acid soil environment.It is prepared into 1×10 7 ~1×10 8 cfu / mL microbial inoculant, is used for Jinfoshan square bamboo seed germination and irrigation root treatment, can significantly improve germination rate, reduce pollution, advance leaf expansion, increase bamboo shoot rate by 518.86%, and increase bamboo shoot growth by 572.97%, and optimize soil enzyme activity and nutrient distribution, and the effect is significantly better than that of commercially available microbial inoculant.The application provides green and efficient microbial fertilizer specially used for Jinfoshan square bamboo, solves the problems of soil degradation, environmental pollution and low fertilizer efficiency of traditional chemical fertilizer, and is suitable for large-scale popularization and application.

This application discloses a method for directly cultivating seedlings from the germination of *Cymbidium goeringii* seeds in Yunnan. The method includes the following steps: sowing *Cymbidium goeringii* seeds on a modified culture medium, followed by 6 months of constant temperature cultivation at 25℃ to obtain small pseudobulbs suitable for direct transplanting. This method is simple to operate; seeds begin to germinate and turn green 20 days after sowing, begin to grow leaves after 45 days, begin to root after 60 days, and show significant root growth after 90 days. The pseudobulbs also enlarge synchronously. After 6 months, the plants naturally shed their leaves in the tissue culture bottle, and the pseudobulbs can be transplanted to the field for acclimatization and cultivation. This method eliminates the need to change the culture medium, removes the manual transfer step in the tissue culture process, and solves the problems of yellowing, difficult rooting, and high contamination rates after transfer of tissue culture seedlings. Furthermore, the plants naturally shed their leaves in the tissue culture bottle, directly obtaining small pseudobulbs without hardening off, and improving the transplant survival rate, which is beneficial for the large-scale cultivation of *Cymbidium goeringii*.

The present application relates to the technical field of plant tissue culture, and provides a tissue culture method for promoting germination of Zingiber zerumbet Smith, wherein Zingiber zerumbet Smith tubers are used as explants, and after being subjected to disinfection treatment, the explants are inoculated into an induction medium, a proliferation medium and a rooting medium in sequence, and then are subjected to acclimatization, seedling raising and transplanting, so that finished Zingiber zerumbet Smith seedlings are obtained. The germination rate, the proliferation coefficient and the rooting rate of the Zingiber zerumbet Smith tubers can be significantly improved by using the culture media which are optimized and adjusted in the technical scheme of the present application. In addition, the reasonable application of foliar fertilizer and fungicide after transplantation in the present application can further improve the growth vigor and the disease resistance of Zingiber zerumbet Smith seedlings, and ensure the survival rate of the seedlings, thereby providing reliable technical support for rapid propagation and large-scale planting of Zingiber zerumbet Smith.

This invention discloses an integrated digital PCR system and its usage method. The system comprises a high-density microcavity array digital PCR chip with an integrated cavity, an optical detection module, a hot water circulation temperature control module, a fluid control module, and a central control module. When applied to nucleic acid sample detection, the digital PCR chip is first fixed on the stage of the optical detection module, and connecting tubes for the sample tubes and hot water tank are installed at each chip interface. Then, the central control module is activated, and relevant parameters of the control program are set. The control program then controls the fluid control module, hot water circulation temperature control module, and optical detection module to sequentially perform operations such as sample filling, sample discretization, hot water circulation amplification, chip scanning and recording, and data analysis. Based on the combination of the microcavity array and integrated cavity structure of the digital PCR chip, this system allows the entire digital PCR detection process to be completed on a single instrument, improving detection efficiency and result reliability.

The present application relates to a kind of new type of wall protection mud material for ultra-deep underground continuous wall and its preparation method, comprising the following steps: pour mixing water into the first container, while adding bentonite, the first container is stirred to be uniformly dispersed;Sodium carbonate, sodium carboxymethyl cellulose, xanthan gum and silicone acrylic emulsion are mixed and added to mixing water and poured into the second container, and stirred to be fully hydrated;Mix the solution in the first container and the second container, stir to be fully mixed, complete mud preparation.The beneficial effects of the present application are: it can avoid the hidden troubles such as excessive lateral earth pressure, large amount of mud loss, thin and dense mud skin cannot be formed when the excavation depth of underground continuous wall is large, configure a new type of modified bentonite wall protection mud with suitable physical stability and chemical stability, appropriate relative density, good mud skin forming property, which can adapt to the working condition of ultra-deep underground continuous wall, avoid the occurrence of hole collapse and shrinkage phenomenon, so as to ensure the quality of slotting and construction safety.

The utility model discloses a kind of high sealing heat pump drying devices, including heat exchanger, cover body and air pipe assembly, cover body is equipped with heat exchange cavity, heat exchanger is installed in heat exchange cavity, and heat exchange cavity is divided into first cavity section and second cavity section by heat exchanger. Cover body includes first shell and second shell, first shell and second shell mutually link in a circumferential direction, and are enclosed to form heat exchange cavity. First shell and second shell are sealedly connected by first sealing element;First shell and second shell are equipped with heat preservation layer on;Air pipe assembly includes two air pipes, one air pipe is communicated with first cavity section, and another air pipe is communicated with second cavity section. The first shell and second shell outside the heat exchanger are sealedly linked by first sealing element, and heat preservation layer is equipped on two shells, reduce the loss caused by the leakage of heat energy in cavity due to gap, improve heat exchange efficiency;Meanwhile, it can also effectively reduce the risk of waste gas overflow from the gap of shell link.

This utility model relates to the field of automotive parts technology, specifically a car mudguard, including a mudguard body that is detachably connected to the outer frame of a car wheel. The mudguard body is located behind the wheel along the direction of travel. One side of the mudguard body is provided with a mudguard groove and a connecting piece, with the mudguard groove facing the wheel. The connecting piece is located at the opening of the mudguard groove and is detachably connected to the outer frame of the car wheel. This provides a car mudguard whose main body includes a mudguard groove and a connecting piece. The mudguard groove provides a recessed, channel-shaped space, which, compared to a straight plate structure, better matches the trajectory of mud, water, and stones thrown by the rotating wheel. Simultaneously, when mud and water kicked up by the wheel impact the mudguard, the groove functions as a directional collection channel, guiding splashes into the groove to accumulate, rather than sliding along the surface of the traditional straight plate structure to other parts of the car body, thus significantly reducing the probability of mud and water contaminating the car body.

This utility model discloses a feeding device for livestock farming, comprising a feeding trough and a protective cover. Rotary support seats are fixedly installed at the upper ends of both ends of the feeding trough. A rotating rod is rotatably connected to each rotating support seat. The outer side of the middle position of the rotating rod is connected to the protective cover via a connecting sleeve. A feeding door is opened on the feeding trough at a position corresponding to the protective cover. A first stable support and a second stable support are respectively installed at the lower ends of the feeding trough. The feeding device of this utility model includes a feed storage bin, a feeding trough, and an automatically opening and closing protective cover. The protective cover is opened mainly by the chickens stepping on a stepping support, allowing the chickens to eat through the feeding door. After the chickens leave the stepping support, the protective cover automatically resets, closing the feeding door. This prevents other birds or small animals from stealing the feed and reduces the probability of feed contamination.

Embodiments of the present application provide a data processing method, device and equipment of a cleaning device, and relate to the technical field of cleaning devices. The cleaning device comprises an environment perception sensor for collecting environment perception data, and the position state of the environment perception sensor is switchable. The method comprises: dividing a to-be-confirmed environment perception data set collected during a positioning recovery period of the cleaning device, based on the position state switching condition of the environment perception sensor, to obtain at least one perception data segment; wherein the to-be-confirmed environment perception data set is obtained by a sensor other than the environment perception sensor; and determining a processing strategy for the at least one perception data segment according to the positioning recovery condition of the cleaning device. The method can establish a data processing boundary corresponding to the change in the positioning state, avoid mixing of untrustworthy data and trustworthy data, reduce the probability of writing error coordinates into a map, and reduce map pollution.

This utility model discloses a cold material crushing device for silicon material processing, relating to the technical field of silicon material production equipment. It includes a shell with a feed inlet at its top and a first tilting plate at the bottom. A storage box is located on one side wall of the top of the shell, with a liquid nitrogen inlet pipe penetrating its top. Multiple aeration holes are located at the junction of the storage box and the side wall of the shell. An insulation box is located on the other side wall of the top of the shell, with an electric heater installed inside. A second tilting plate is located in the middle of the inner side of the shell, and an exhaust box is located on one side wall in the middle of the shell. This utility model, through a series of structural features, prevents the crushing rollers from jamming, thereby improving the crushing efficiency of cold silicon material and reducing the probability of dust generated during crushing causing environmental pollution, making it more environmentally friendly.

The application discloses a coil pipe type fermentation device and a continuous solid-state fermentation system, relates to the technical field of solid-state fermentation, and can realize disassembly, offline high-temperature and high-pressure sterilization, and complete sealing of the whole device, so that bacterial contamination is completely avoided from sterilization and fermentation environment of the device, pure culture of strains is realized, and the quality and yield of fermentation products are improved. Meanwhile, the sterilization mode is flexible, supports two modes of assembly after offline sterilization and online sterilization after assembly, is suitable for different use scenes, can effectively avoid bacterial contamination, and realizes pure culture of strains. The coil pipe and the flexible stirring assembly are matched, the device volume is greatly reduced, the space utilization is improved, and the whole link of test, pilot test and production is adapted. Through multi-stage coil pipe series connection design and independent temperature control and parameter regulation of each coil pipe, fermentation conditions can be accurately controlled according to different fermentation stages. Finally, continuous, automatic and accurate operation of solid-state fermentation is realized, and fermentation production efficiency and product stability are improved.

The utility model relates to a kind of medical energy cable of local elasticity and with buffer fixing structure, including host end straight line section, zoned elastic spiral section and instrument end connecting section connected in turn, wherein, zoned elastic spiral section includes fine pitch spiral section and coarse pitch spiral section, fine pitch spiral section is connected with host end straight line section, and coarse pitch spiral section is connected with instrument end connecting section, cable body is also provided with buffer anchoring clamping buckle assembly, and the buffer anchoring clamping buckle assembly includes clamp body, its front segment jaw is straight line shape clamp, can hold sterile single, and rear segment jaw is set as semicircular groove, can hold cable. Compared with prior art, the utility model is designed as multi-section structure, realizes the flexible arrangement of cable in surgical area and intraoperative stability;Meanwhile, by setting buffer anchoring clamping buckle assembly, the performance of retraction force in surgical area is effectively controlled, and operation safety and operation comfort are improved.

This invention relates to the field of furfural detection technology, and more particularly to an instrument for determining the furfural content in insulating oil based on infrared absorption method. It includes a protective shell, a cover plate rotatably connected to the protective shell, a pumping module and symmetrically distributed spectrometers installed inside the protective shell, a feed pipe fixed to the protective shell, a guide pipe provided with the feed pipe, a fixing shell within the protective shell, a detection dish within the fixing shell, a transition pipe within the detection dish, a delivery pipe connected to the inlet of the pumping module, and an oscillation mechanism within the protective shell. This invention integrates the detection dish, spectrometer, and the oscillation operation of the insulating oil into the protective shell, allowing the protective shell to be placed directly at the point of detection. This eliminates the need for multiple transfers of the insulating oil, making the detection process more convenient. Simultaneously, the insulating oil is prevented from contacting the external environment, thereby reducing the probability of contamination and ensuring the reliability of the detection results.