14results about How to "Reduce cross contamination" patented technology

This application discloses an integrated cleaning device, relating to the field of cleaning equipment, comprising a frame; a loading rack installed at one end of the frame; a unloading rack installed at the other end of the frame; a transfer mechanism installed on the frame and used for transferring optical components; a hydrocarbon cleaning unit installed on the frame and adjacent to the loading rack, the hydrocarbon cleaning unit being used to clean optical components using hydrocarbon solvents; and an HFE cleaning unit installed on the frame and adjacent to the unloading rack. This application reduces the footprint by integrating the hydrocarbon cleaning unit and the HFE cleaning unit onto the frame; it reduces mutual interference and improves safety by physically isolating the hydrocarbon cleaning unit and the HFE cleaning unit with partitions; and it prevents large amounts of hydrocarbon solvent from entering the next process by using air knife purging, greatly reducing the contamination load of subsequent HFE solvents and minimizing cross-contamination.

The present disclosure relates to the technical field of insulation board production, and one embodiment of the present disclosure provides a multi-channel batching machine for insulation board production, which comprises a bottom plate, a main frame, a fixed sleeve and a rolling tank. The main frame is fixed on the bottom plate, the fixed sleeve is fixed on the main frame, the rolling tank is horizontally rotatably connected at one end of the fixed sleeve, a feeding assembly is arranged on the fixed sleeve, a stirring assembly is arranged in the fixed sleeve and the rolling tank, and a discharging assembly is arranged on the rolling tank and the bottom plate. The feeding assembly comprises a plurality of feeding pipes, the feeding pipes are fixed at the bottom of the fixed sleeve, conveying augers are arranged in the feeding pipes, and feeding hoppers are arranged at the top of the feeding pipes. Through the above technical solution, the technical problem of low feeding efficiency, different raw materials needing to be put in at different times, and prolonged batching period in the prior art is solved, which particularly affects the overall processing efficiency in large-scale production.

This utility model relates to a modular spray granulation drying chamber that is easy to clean, belonging to the field of spray granulation drying technology. It includes a mounting frame, a support frame fixedly connected to the top of the mounting frame, a feeding chamber on the top of the support frame, an outer shell on the top plate of the mounting frame, an inner barrel inside the outer shell, and a connecting barrel fixedly connected to the mounting frame, with the top of the connecting barrel fitting snugly against the bottom of the inner barrel. By using the mounting frame, support frame, feeding chamber, outer shell, inner barrel, motor, bidirectional threaded rod, and threaded block in coordination, the drying chamber of the spray granulation dryer can be quickly cleaned, significantly improving cleaning efficiency, shortening downtime, and allowing for thorough cleaning of the drying chamber without dead corners, reducing cross-contamination, thereby reducing the risk of material residue, ensuring product quality, extending equipment life, and reducing maintenance costs.

This utility model discloses a fully automatic tea rolling machine for automatically turning and evenly distributing tea leaves, relating to the technical field of tea rolling machines. It includes a support platform with three rotating cranks, a stainless steel rolling drum connected to the three rotating cranks, a lid lifting assembly on the drum, and a stainless steel rolling disc on the support platform. Friction rings are installed through each of the three rotating cranks. In this invention, the limiting rollers limit the heightening rings, causing them to drive a cleaning mechanism to rotate stably. A shovel lifts edge tea leaves, a cleaning brush disperses the leaves, and an electronic fan blows the leaves towards the center area, achieving automatic leaf turning and even distribution during the rolling process. This effectively solves the problem of uneven rolling caused by tea leaf accumulation at the edges in traditional rolling machines, reduces cross-contamination caused by untimely or incomplete manual cleaning, and improves production efficiency.

The utility model relates to industrial automation technical field discloses an industrial standard gas automatic proportioning device, including the cabinet body, the cabinet body inside is physically divided into the gas confluence area of upper part and the electrical control area of lower part, be provided with a plurality of parallel gas treatment branch in the gas confluence area, operation and display panel, set up in the front side of electrical control area, mixer, including outer mixing cylinder and inner mixing cylinder, the lateral wall of outer mixing cylinder is set up with a plurality of communicating holes, a plurality of communicating holes with the export of a plurality of gas treatment branch are linked, back pressure regulating valve, its installation in the export of outer mixing cylinder, in the utility model, through setting back pressure regulating valve, the working environment of core flowmeter is stabilized, and the proportioning precision is promoted, simultaneously, the safety interlock design of its normally closed valve, cooperate electrolytic polishing pipeline and metal face seal joint, on the basis that realizes active safety protection, guarantees the high purity of mixed gas again.

The utility model discloses a kind of denture is used to oral impression protection device, including the protective box with top being open, the protective cover of open shielding sealing is arranged in protective box top, and protective cover is detachably arranged, the protective box and protective cover are prepared using heat preservation, light shielding material, the storage cylinder is installed in the inboard of protective box, the storage cylinder side is equipped with several air vents. The denture is used to oral impression protection device, by storing oral impression in the sealed environment of heat preservation and protecting it, reduce the influence of external environment temperature to oral impression, while dry agent is arranged in protection device, for dehumidification, avoid oral impression to be influenced by temperature and humidity and appear discoloration, softening etc., the influence of external force to oral impression can be also reduced by the protection device, avoid oral impression to be stressed deformation even breakage in storage or transportation process, oral impression is better protected.

This utility model discloses a detachable aseptic spray drying collection device, relating to the field of spray drying material collection technology. It includes a bottle body with a sealing valve at the top. By fitting the outer wall of a sealing sleeve onto the inner wall of a feed column, the ring plate fixed to the outer wall of the sealing sleeve engages with the inner wall of the ring groove. This allows workers to quickly seal the bottle body using the sealing valve, separating the device from the feed pipe, effectively isolating airflow, significantly reducing material volatilization, dispersion, and moisture absorption during collection and transfer, improving yield, and reducing environmental and cross-contamination. By matching the inner wall of the sealing valve with the outer wall of the sealing ring, the inner wall of the sealing valve abuts against the top of the bottle body. A support plate slides on the outer wall of the bottle body until its top abuts against the bottom of the sealing ring, facilitating control of the sealing valve's sealing of the channel between the bottle body and the feed column to prevent material overflow from the bottle body.

The utility model discloses a double -end rod cover sampling detection integration device, including collection detection rod and double -end rod cover, and collection detection rod includes the rod body, middle cover, sampling rod who is detachably assembled as an organic whole in proper order, and double -end rod cover includes the first cavity and the second cavity who do not communicate with each other, and the sampling column of sampling rod is detachably inserted into the first cavity, and the second cavity is by sealed liquid storage cavity and one end opening's sampling cavity is composed, and is sealed through the sealing film between, and the sealing film can be sampled column puncture, and sampling rod is equipped with liquid channel, and the middle cover is equipped with the liquid guide channel and the rod body assembly cavity who communicate, and the liquid channel and liquid guide channel communicate, and the rod body is inserted into the rod body assembly cavity, and is equipped with detection channel and test strip in the rod body, and the entrance of detection channel communicates with the rod body assembly cavity of middle cover. The utility model realizes sampling detection two in one, and the step of additional liquid transfer, mixing, sampling detection again after specimen collection is not needed, reduces the cross -contamination in the operation process, and the operation is simple and convenient.

This utility model discloses a fully automated biochemical analyzer, including a biochemical analyzer body. A top cover is rotatably connected to the top of the analyzer body. Mounting plates are symmetrically fixed to one side of the top cover. A collection tube is fixedly installed between the two mounting plates. A water inlet pipe is fixedly installed to one side of the collection tube. Multiple diverter heads are installed on one side of each collection tube, and a spray head is fixedly installed at the bottom of each collection tube. This design, by setting up a collection tube, water inlet pipe, diverter heads, spray heads, and ultraviolet disinfection lamp, uses the water inlet pipe to transmit water through the collection tube to the interior of the diverter heads. The spray heads spray disinfectant water onto the top of the partition, disinfecting the interior of the biochemical analyzer body. The ultraviolet disinfection lamp then dries and disinfects the disinfectant water, effectively reducing cross-contamination between samples, ensuring the independence of each sample, and avoiding misdiagnosis or missed diagnosis due to contamination.

The utility model relates to the production technical field of enzymolysis extraction product, and disclose material cooking transportation production line, feeding frame, the top of feeding frame is provided with electric hoist through the installation of running frame, and electric hoist is connected with hopper trolley through sling, one side of feeding frame is provided with cooking pot, and the feeding mechanism for cooperating with the top of cooking pot is set up on the feeding frame, and the discharge outlet of cooking pot is connected with sanitary pump through pipeline, the discharge outlet of sanitary pump is connected with storage tank through pipeline, the discharge outlet of storage tank is connected with screw pump through pipeline, and the discharge outlet of screw pump is connected to the next production workshop through pipeline. Compared with traditional completely manual handling feeding, the electric hoist bears the main material lifting work, and the operator only needs to carry out a small amount of auxiliary operation, thereby reducing the physical and mental load of workers, and improving the safety during production.

The utility model discloses a high pressure gas separation device relates to gas separation technical field, including processing jar, the top of processing jar is provided with the jar cover, the inner wall both sides of processing box all are provided with the limit sliding block, and the limit sliding block both sides of two all are provided with the clamping groove in and are provided with the breathable net in. The utility model discloses through starting high pressure pump and compressing gas to the inside bottom side of processing jar, and gas will pass through two groups of adsorption membrane, and the first group membrane preliminary intercepts macromolecular impurity, and reduces the follow -up membrane layer load, and the second group membrane further selectively adsorbs target gas, and improves separation purity, and two groups of membrane series connection or parallel connection design, and share high pressure impact to prolong life, and reduce cross -contamination, and finally output high -purity gas and reduce maintenance cost, and through the limit sliding block and the sliding slot that are equipped with can take out adsorption membrane from processing jar, in addition, the adsorbent is placed in the inner wall of sliding block, and through the breathable net can adsorb the gas peculiar smell in processing jar.

The utility model relates to 3, 5 -dimethylbenzoic acid processing technical field, especially a kind of centrifugal separator for 3, 5 -dimethylbenzoic acid, including base, shell is installed on base, the inside of shell is provided with inner shell, the inside of inner shell is provided with centrifugal barrel, driving motor is installed on the outer wall of shell, drive shell is provided with feed pipe, spiral thread is provided on the outer wall of centrifugal barrel, a plurality of through holes one are seted up on inner shell, a plurality of through holes two and through hole three are seted up on centrifugal barrel, liquid discharge pipe is communicated in the bottom of shell, solid discharge port is seted up in the side of liquid discharge pipe, the inside of centrifugal barrel is provided with baffle. The utility model can realize the insoluble impurity in solution high efficiency removal, promote the purity of product, through centrifugal separation, solid particle can be precipitated and separated quickly, to reduce the cross contamination of solubility material and impurity, help to improve separation efficiency, save time and resources, effectively improve the economy of production.

The utility model discloses a kind of salted egg surface film covering fresh-keeping devices, including film covering structure, the film covering structure includes arc-shaped soaking pool, and the inside of soaking pool is divided into six soaking grooves by partition, and the top of the left and right side walls of each soaking groove is equipped with bracket, and the bottom of bracket is equipped with ultraviolet lamp, and soaking pool is installed in the inside of shell, and rotating shaft is rotatably installed between the left and right inner side walls of shell, and six groups of salted egg pushing structure are respectively installed in the position of rotating shaft corresponding six soaking grooves, and speed reducer motor is also installed on shell, and the output shaft of speed reducer motor is connected with rotating shaft;The device can realize the batch processing of film covering fresh-keeping of multiple salted eggs in different soaking grooves simultaneously by setting multiple small soaking grooves in soaking pool, while the cross contamination between salted eggs can be reduced, and ultraviolet lamp is arranged above each soaking groove, so that the soaking liquid and salted egg can be sterilized and disinfected during the salted egg film covering process, to effectively prevent the soaking liquid from being contaminated.

This utility model relates to the field of edible blended oil blending technology and discloses an edible blended oil blending device, including: a blending tank, the top of which is equipped with a sealing cap, and two stirring components rotatably installed inside the blending tank; a cleaning component, which includes a stirring rod rotatably installed inside the blending tank and a toothed disc rotatably installed inside the cavity, the top of which passes through the sealing cap and is connected to the toothed disc, and cleaning scrapers are installed on both sides of the two connecting plates, which can effectively remove accumulated grease, ensure the safety of edible oil, thereby improving the thoroughness of blending of edible blended oil, so as to improve the blending efficiency of edible blended oil, while ensuring efficient operation of the equipment, improving production efficiency, extending equipment life, helping to prevent corrosion and wear of the blending tank, extending the service life of the blending device, and reducing the cost of maintenance and replacement of the device.