41results about How to "Avoid bringing" patented technology

The invention provides a project recommendation method and device. According to recorded grading objects and scores thereof to projects, the score mean value of the grading objects to the projects and the types of all projects are determined firstly; then the score mean value of the grading objects to the project types is counted; first related objects with similar type preferences are determined from target objects; then second related objects with similar project preferences are found out from the first related objects; the eligible projects are extracted from the projects which are not graded by the target objects and recommended to the target objects. According to the embodiment of the invention, users with related preferred projects and types are selected out and invalid information not interested by the users are removed by using the interest degrees of the users to different types of projects; all effective information is used when the similarity among the users is calculated, so that the similarity calculation is more accurate, the accuracy of calculating the similarity among the users can be effectively enhanced, and the recommendation quality of a recommendation system is effectively improved.

The invention discloses a production process of Yu-flavor Baijiu.Wetted raw grain materials and steamed husks are evenly mixed and sufficiently steamed, the steamed mixture is mixed with mature mother distillers' grains in proportion, a liquor base is obtained through spread cooling, yeast adding, accumulating, sterilizing, fermenting and steaming, and a finished product can be packaged through cellar storing and blending.A modern scientific liquor brewing process is organically combined with a traditional liquor brewing process through the multi-grain, solid, steaming and burning process, Maotai flavor, strong flavor and faint flavor are organically harmonized, high-temperature yeast, high temperature accumulating, independent grain steaming, steaming and burning are conducted, liquor steaming is not conducted together with grain, white yeast is used in the saccharification and fermentation period, saccharification and fermentation are sequentially conducted, yeast for making hard liquor is processed at medium temperature, fermentation is achieved in a mud fermentation pit, yeast for making hard liquor is combined with the mud fermentation pit, and ethyl caproate is produced in a strong-flavor mud pool.The produced Baijiu has the advantages of being fine and smooth, plump, mild, pure, mellow, soft, harmonious, palatable and low in drunken degree and effectively meets the requirements of modern costumers for Baijiu.

The invention discloses a sanitary towel production line disinfecting and conveying device. The sanitary towel production line disinfecting and conveying device comprises supporting devices, a conveying device located at the tops of the supporting devices, and a disinfecting device located in the top of the conveying device. Supporting rods are arranged in the supporting devices, extend to the bottom of the conveying device, and are movably connected with the conveying device. Driven wheels are arranged at the bottoms of the two sides of the conveying device and comprise chain wheels and belt wheels, and a driving wheel is arranged at the top of the conveying device. Grooves are evenly formed in the inner side of the top of the conveying device, and the disinfecting device is located in the grooves. By the adoption of the sanitary towel production line disinfecting and conveying device, the height and the inclination angle of the conveying device can be freely adjusted, the ultraviolet disinfecting and sterilizing device is arranged, sanitary towels on a conveying belt are disinfected and sterilized, the occupied area is small, the application range is wider, and cost performance is good.

The invention discloses a controlled cascade pyrolysis recovery and dioxin prevention and control method for waste salt in the chemical industry, and belongs to the field of waste salt treatment and secondary pollution control. The method comprises the following steps that firstly, low-temperature pyrolysis is performed on the waste salt to remove moisture and low-boiling-point organic matters inthe waste salt, and then high-temperature anaerobic pyrolysis is performed, and recovery is performed to obtain organic matter removed salt; meanwhile, pyrolysis waste gas is treated by a waste gas treatment system and is discharged after reaching the standard. According to the controlled cascade pyrolysis recovery and dioxin prevention and control method for waste salt in the chemical industry, the waste salt containing the organic matter is subjected to low-temperature and high-temperature two-stage controlled pyrolysis, high-temperature pyrolysis gas is subjected to quenching, generation ofdioxin and oxidizing gases such as nitrogen oxides and sulfur oxides is effectively avoided, therefore, the purposes that the waste salt is pyrolyzed to remove the organic matter, harmlessness and recycling are achieved, and generation of dioxin is controlled from the source are achieved. The method is high in organic matter removal rate, the generation of dioxin can be controlled from the source, the treatment and disposal cost of the waste salt and the environmental risk are greatly reduced, the method is controllable, and a beneficial path is provided for recycling hazardous wastes such asthe waste salt in the chemical industry.

The invention belongs to the technical field of photoelectrochemical cell semiconductor electrodes, and discloses a bismuth vanadate electrode rich in surface layer oxygen vacancies, and a preparationmethod and an application thereof. The electrode comprises a conductive substrate layer and a bismuth vanadate layer, and the bismuth vanadate layer is obtained through photoetching modification. Thepreparation method comprises the steps: firstly, growing bismuth vanadate particles on a conductive substrate by a metal organic matter decomposition method, then immersing the bismuth vanadate particles in an alkaline buffer solution containing sulfite, and simultaneously applying illumination with certain wavelength and certain intensity for certain time to finish the preparation of the whole electrode. The electrode can be assembled into a photoelectrochemical cell for hydrogen production by photolysis of water in the photoelectrochemical cell. The oxygen vacancies are introduced into thesurface layer of the bismuth vanadate electrode, so that the charge separation efficiency of a solid-liquid interface is effectively improved, the photoelectric conversion efficiency of the photoelectrochemical cell is improved, the operation is simple, and the oxygen vacancy introduction efficiency is high; and meanwhile, vacuum equipment is not needed, so that the operation cost is extremely low, and large-scale production is facilitated.

The invention discloses a molecular sieve regeneration method, which is applicable to a silane purification process. The molecular sieve regeneration method comprises the following steps of: closing a silane inlet valve and a silane outlet valve of an adsorption tower (1); displacing silane in the adsorption tower (1) by nitrogen; and starting a heater (2) when maintaining nitrogen transmission, and desorbing silane impurities on a molecular sieve in the adsorption tower (1) by heated nitrogen. According to the design of the regeneration method disclosed by the invention, on one hand, the regeneration process can be simplified, and nitrogen impurities are avoided, on the other hand, the safety is guaranteed, and the regeneration cost is reduced. In addition, the invention also discloses molecular sieve regeneration equipment.

The invention provides a one-storey barn heat dissipation temperature control system based on heat pipe technology. The one-storey barn heat dissipation temperature control system includes an along-wall heat pipe (5), a first air channel (6), a second air channel (8), a first air blower (7), a second air blower (9) and a top layer heat pipe (10). The along-wall heat pipe (5) is arranged on the inner side of a side face wall of a one-storey barn (1). The upper end of the along-wall heat pipe (5) is disposed in the first air channel (6) while the lower end of the along-wall heat pipe (5) is disposed in a grain pile below a grain line (3) and extends to the bottom of the grain pile. The top layer heat pipe (10) is arranged at the top part of the one-storey barn (1). The upper end of the top layer heat pipe (10) is disposed in the second air channel (8) while the lower end of the top layer heat pipe (10) is disposed in the grain pile below the grain line (3). The first air channel (6) and the second air channel (8) are disposed above the grain line (3) and are both communicated with the external environment. An end of the first air channel (6) is provided with the first blower (7). An end of the second air channel (8) is provided with the second blower (9). The system improves a hot surface effect of large barns and is low in energy consumption and low in pollution.

The invention discloses a low-cost synthesis method of ARK-Cu. The low-cost synthesis method of ARK-Cu comprises the following steps: bonding Cbz-Ala-OH and H-Arg(NO2)-OH by adopting a liquid-phase synthesis method to obtain dipeptide Cbz-Ala-Arg(NO2)-OH, enabling the dipeptide Cbz-Ala-Arg(NO2)-OH to react with Lys(Cbz)-OH to generate full-protection tripeptide Cbz-Ala-Arg(NO2)-Lys(Cbz)-OH, then performing hydrogen / palladium carbon deprotection to generate H-Ala-Arg-Lys-OH, and finally enabling the H-Ala-Arg-Lys-OH to react with copper acetate in water to generate ARK-Cu. The synthesis methoddisclosed by the invention is simple, has no need of column chromatography purification, can obtain Cbz-Ala-Arg(NO2)-Lys(Cbz)-OH of which the purity is 97% or more by ethyl acetate re-crystallization,is low in synthesis cost, and can be used for synthesizing a lot of ARK-Cu.

The invention relates to an automatic flushing device for a construction site engineering vehicle. The automatic flushing device comprises a flushing platform, an air drying device and a PLC control system; the flushing platform comprises a bottom flushing device and side flushing devices, the bottom flushing device comprises a water collecting basin, a vehicle carrying plate, a plurality rows of first water delivery pipelines and first high-pressure nozzles, and the vehicle carrying plate is provided with a first pressure sensor and a plurality of water permeating holes; each side flushing device comprises a side fixing plate, a plurality of second water delivery pipelines and second high-pressure nozzles; the first water delivery pipelines and the second water delivery pipelines are both communicated to a high-pressure water pump; the air drying device comprises an air drying bearing plate with a plurality of air drying holes, an air compressor and an air storage tank, and the air drying bearing plate is provided with a second pressure sensor; the first pressure sensor and the second pressure sensor are both connected to the input end of the PLC control system, and the high-pressure water pump and the air compressor are both connected to the output end of the PLC control system. The automatic flushing device is convenient to install, high in water utilization rate and good in flushing effect.

The invention provides a project recommendation method and device. According to recorded grading objects and scores thereof to projects, the score mean value of the grading objects to the projects and the types of all projects are determined firstly; then the score mean value of the grading objects to the project types is counted; first related objects with similar type preferences are determined from target objects; then second related objects with similar project preferences are found out from the first related objects; the eligible projects are extracted from the projects which are not graded by the target objects and recommended to the target objects. According to the embodiment of the invention, users with related preferred projects and types are selected out and invalid information not interested by the users are removed by using the interest degrees of the users to different types of projects; all effective information is used when the similarity among the users is calculated, so that the similarity calculation is more accurate, the accuracy of calculating the similarity among the users can be effectively enhanced, and the recommendation quality of a recommendation system is effectively improved.

The invention relates to a method for preparing p-xylylene dichloride by ultraviolet-induced catalysis, wherein the method comprises the following steps: step 1, adding p-xylene and a catalyst into areaction kettle, and slowly heating to a certain temperature; turning on an ultraviolet lamp, introducing chlorine gas from the bottom (or inserting a gas guide pipe into the bottom), and controllingthe introduction rate of the chlorine gas until a tail gas absorption liquid is slightly bubbled; when the temperature rises to 100 DEG C, heating is stopped, carrying out heat preservation, and introducing chlorine gas at the constant temperature for reaction; and after 5 hours, monitoring the reaction process by gas chromatography to obtain a high-temperature reaction solution; step 2, pre-adding a large amount of water into another kettle with strong stirring, and rapidly adding the reaction solution obtained in the step 1 into the water under strong stirring to form a large amount of whiteprecipitates; step 3, carrying out suction filtration, and rinsing the obtained white solid with water several times. and step 4, drying to obtain the target product p-xylylene dichloride.

The invention discloses a purification method for removing organic matter from ammonium rhenate, and belongs to the technical field of ammonium rhenate purification in hydrometallurgy. The purification method for removing the organic matter from ammonium rhenate comprises the following steps: (1), putting ammonium rhenate containing organic impurities into a container, adding deionized water and performing heating until ammonium rhenate is completely dissolved; (2), introducing a gas strong oxidant into the ammonium rhenate solution, and performing stirring until organic matter in the solutionis completely oxidized; (3), removing foam on the surface of the solution, performing filtering, placing a filtrate in a cooling device for cooling until ammonium rhenate is completely crystallized,performing filtering again, taking out ammonium rhenate crystalline substances, performing centrifugal dehydration treatment on the ammonium rhenate crystalline substances, and drying dehydrated ammonium rhenate to obtain a high-purity ammonium rhenate product. The purity of the ammonium rhenate product prepared with the method is 99.995% or higher, and the method has the advantages of simple process, high efficiency and low cost.

The invention discloses a financial product marketing method and device, and relates to the technical field of mobile internet, and the method comprises the steps of determining a user of to-be-pushed financial product information, and retrieving a user financial portrait which is constructed according to the financial behavior data of the user in a 5G message platform; determining a target financial product pushed to the user according to the user financial portrait; obtaining target financial product information, wherein the target financial product information comprises texts, pictures, audios and videos and / or hyperlinks; sending a 5G message of the target financial product information to the user, where the 5G message is in butt joint with the financial system, and when the user triggers the financial system to log in, financial products are selected and bought through information interaction between the 5G message and the financial system. According to the invention, the characteristics of the message delivery group can be accurately identified, the marketing group range is expanded while a large amount of useless information is prevented from being brought to the user, and the popularization degree of financial management and marketing business is improved.

The invention discloses a method for recovering diamond by a gas-liquid-solid phase method, and the method is used for solving the problem of wastewater discharge in the prior art. The method is characterized by adopting gas-liquid-solid phase reaction, namely using acid liquor generated by dissolving chlorine in water to corrode diamond wastes. A gas-liquid-solid phase reaction device is formed by a reaction kettle (6), a kettle cover (2) with a sealing washer, a chlorine distributor (5), and the like, wherein the reaction kettle (6) is made from acid and heat resistant plastics; the kettle bottom is made into a taper; a drain pipe with a drain valve (7) is installed at the lowest part of the kettle bottom; a feed pipe with a feed valve (1) is arranged beside the kettle cover (2) above the reaction kettle (6); an intake pipe with one end connected with a chlorine valve (3) and the other end inserted into the kettle bottom to be connected with the chlorine distributor (5) is arranged at the lateral upper side. The method has the beneficial effects that the method avoids bringing plenty of water by purchasing acid liquor in the original process; the water in the production process can be recycled and no wastewater is discharged.

The invention relates to an intelligent pig breeding integrated control system, which is characterized by comprising a central control system, a pig house control system, a pig farm remote video monitoring system, an information safety management system, an intelligent office management system and a comprehensive electricity intelligent management system; wherein central control system, the pig house control system, the pig farm remote video monitoring system, the information safety management system, the intelligent office management system and the comprehensive power utilization intelligent management system are electrically connected with the central control system through the PLC control cabinet. The central control system is also connected with a central large screen; the central control system is in butt joint with a government data platform or other data management platforms, and the central control system can be remotely monitored and controlled through a computer terminal and a mobile phone terminal.

The invention relates to an interferon composition as well as a preparation method and application thereof, and belongs to the field of biological medicines. The composition comprises interferon, a protective agent, buffer salt and water. The composition is safe, environment-friendly, low in cost and good in stability. The preparation method is simple to operate and beneficial to industrial production.

The invention belongs to the technical field of photoelectrochemical cell semiconductor electrodes, and discloses a bismuth vanadate electrode rich in surface oxygen vacancies and its preparation method and application. It is obtained by etching modification; firstly, bismuth vanadate particles are grown on a conductive substrate by the method of metal organic decomposition, and then immersed in an alkaline buffer solution containing sulfite, while applying a certain time and a certain wavelength and intensity The whole electrode can be assembled into a photoelectrochemical cell for the photoelectrochemical cell photolysis of water to produce hydrogen. The invention introduces oxygen vacancies at the surface of the bismuth vanadate electrode, effectively increasing the charge separation efficiency of the solid-liquid interface, thereby improving the photoelectric conversion efficiency of the photoelectrochemical cell, and the operation is simple, and the efficiency of introducing oxygen vacancies is high. It requires the help of vacuum equipment, and the operation cost is extremely low, which is conducive to large-scale production.

The invention provides a blueberry planting method. The blueberry planting method comprises the following steps: (S01) garden plot selection: selecting a flat ground having the characteristics that asoil layer is deep, the texture is loosened and fertile, a ventilation condition is good, and the terrain is mild; (S02) soil modification: grinding fir ruins and rotten leaves, carrying out mixing soas to prepare a fertilizer, carrying out soil-turning and fertilization twice, and adding a certain amount of sulfur during secondary fertilization, so as to adjust the pH value of soil to be 5-6; (S03) seedling selection and plantation: selecting 1-2-year blueberry seedlings, and planting the blueberry seedlings into the fertilizer-modified soil; (S04): trimming and pinching: properly thinning out weak branches of the seedlings within 3 months of the plantation of the blueberry seedlings, and carrying out pinching after the seedlings are planted for 6 months; (S05) moisture management; (S06)fertilization management; and (S07) bird and pest control: before the blueberry seedlings are planted, building a greenhouse around the garden plot for preventing pecking of birds and controlling thegrowth temperature of blueberries, and properly spraying a bactericide and an insecticide within 3 months of the plantation of the blueberry seedlings.

The invention relates to an operating room air purifying system. An air supplying motor array is used for accelerating supplied fresh air by a first air supplying component. The accelerated fresh air passes through a purifying component and enters an operating room. Due to the fact that the fresh air is accelerated by the air supplying motor array, the power and the size of a fresh air motor are reduced. Meanwhile, the purifying component is tightly attached to the lower side of the air supplying motor array, so that the whole system is small in occupied space and manufacturing cost is correspondingly reduced. Each motor of the air supplying motor array is controlled to switch on and off by a main control unit, so that part of motors can be kept switched on by the air supplying motor array according to use conditions, and electric energy consumed by the purifying system is saved. The motor which is selected to be switched on can be determined corresponding to one air outlet, so that wind energy can be effectively used and the energy consumption rate of the whole system is reduced. Each component of the operating room air purifying system is an independent component, so that power can be supplied independently by different external power sources. Therefore, according to the specific working conditions, certain components can be switched on by the purifying system and electric energy can be further saved.

The invention discloses a method for enhancing membrane treatment on nickel-containing electroplating waste water and belongs to the technical field of electroplating waste water treatment. The methodfor enhancing membrane treatment on the nickel-containing electroplating waste water is implemented by three steps of performing treatment, pretreatment and biomembrane treatment on the waste water respectively. According to the method, use of an oxidizing agent is reduced, resources are saved to a certain degree, and new impurities which are brought to the waste liquid due to the use of the oxidizing agent are avoided. Biomembrane treatment and industrial membrane treatment on the waste water are combined by a biological material, so the utilization efficiency of the membrane treatment is improved.

The invention discloses a low-cost method for synthesizing ARK-Cu, which uses a liquid-phase synthesis method to combine Cbz-Ala-OH and H-Arg(NO 2 )‑OH to form a dipeptide Cbz‑Ala‑Arg(NO 2 )‑OH, and then react with Lys(Cbz)‑OH to generate fully protected tripeptide Cbz‑Ala‑Arg(NO 2 )‑Lys(Cbz)‑OH, followed by hydrogen / palladium carbon deprotection to generate H‑Ala‑Arg‑Lys‑OH, and finally in water with copper acetate to generate ARK‑Cu. The synthetic method of the present invention is simple, does not need column chromatographic purification, just can obtain the Cbz-Ala-Arg (NO 2 )‑Lys(Cbz)‑OH, with low synthesis cost, can be used to synthesize ARK‑Cu in large quantities.

The invention relates to a water-soluble non-woven fabric. The water-soluble non-woven fabric is manufactured by processing polyvinyl alcohol vinylon fiber at least comprising vinyl alcohol-vinyl acetate copolymer through a hot rolling method, and is characterized in that the weight part content ratio of the polyvinyl alcohol vinylon fiber in the water-soluble non-woven fabric is 95 to 100 percent. When the water-soluble non-woven fabric is used for manufacturing a detergent packaging bag, on the one hand, less or even no undissolved impurity cannot exist in water, and cannot be adhered to clothes through washing water to avoid new contamination brought to the clothes to be washed, and on the other hand, the water-soluble non-woven fabric has necessary mechanical strength for ensuring safe transportation and storage. Moreover, a layer of auxiliary cloth containing a small amount of non-water-soluble fiber can be arranged on a sealed part of the detergent packaging bag to enhance the local strength of the sealed part, so that the sealed part is firm enough during hot pressing formation.

The invention provides an epitaxial device and an epitaxial layer measuring method in an epitaxial process. The device comprises a reaction chamber; an observation window arranged in the reaction chamber; a tray arranged inside the reaction chamber, wherein the tray is carried with wafers; and an optical fiber type Fourier infrared spectrum analyzer, which has an optical fiber. One end of the optical fiber is corresponding to the observation window; the optical fiber is used for emitting infrared light rays, and the infrared light rays are irradiated to the wafers through the observation window; reflected light reflected by the wafers is received by the observation window; and the optical fiber type Fourier infrared spectrum analyzer is used for detecting the thickness of an epitaxial layer of each wafer according to the reflected light. The epitaxial device can carry out real-time guidance on the epitaxial process, so that the epitaxial process is allowed to be more controllable, qualified rate of a product produced in the epitaxial process is greatly improved, waste product due to inappropriate process parameter selection is effectively prevented, and meanwhile, utilization rate of raw materials in the epitaxial process and output of the epitaxial device are improved favorably.

The invention relates to an automatic flushing device for a construction site engineering vehicle. The automatic flushing device comprises a flushing platform, an air drying device and a PLC control system; the flushing platform comprises a bottom flushing device and side flushing devices, the bottom flushing device comprises a water collecting basin, a vehicle carrying plate, a plurality rows of first water delivery pipelines and first high-pressure nozzles, and the vehicle carrying plate is provided with a first pressure sensor and a plurality of water permeating holes; each side flushing device comprises a side fixing plate, a plurality of second water delivery pipelines and second high-pressure nozzles; the first water delivery pipelines and the second water delivery pipelines are both communicated to a high-pressure water pump; the air drying device comprises an air drying bearing plate with a plurality of air drying holes, an air compressor and an air storage tank, and the air drying bearing plate is provided with a second pressure sensor; the first pressure sensor and the second pressure sensor are both connected to the input end of the PLC control system, and the high-pressure water pump and the air compressor are both connected to the output end of the PLC control system. The automatic flushing device is convenient to install, high in water utilization rate and good in flushing effect.

The invention discloses a gravure press distributor roller additionally provided with a water velvet sleeve. The gravure press distributor roller comprises an ink tank and a distributor roller body. The two sides of the top of the ink tank are provided with fixing grooves correspondingly. The two fixing grooves are clamped and connected with two fixing columns correspondingly. One ends of the twofixing columns make contact and are connected with the inner walls of the fixing grooves through metal rings; the other ends of the two fixing columns are fixedly connected with one end of an extraction column. According to the gravure press distributor roller additionally provided with the water velvet sleeve, a traditional inking mode is changed, the immersion mode is changed to an ink transfermode through the distributor roller, during production, ink must pass through the distributor roller before being transferred to a gravure plate, when the gravure plate and the distributor roller is spaced through the water velvet sleeve, the water velvet sleeve is severely pressured, ink can be well transferred under the pressure, thus, the coarse ink particles in ink are directly brought to thegravure plate, and a bracing is formed at a knife edge; and the length of the distributor roller can be adjusted, and the combined water velvet sleeve is convenient to mount and dismount.

The invention relates to the technical field of riverway remediation microorganisms, and discloses a fixing assembly based on a riverway remediation microorganism culture dish. The fixing assembly comprises a shell; a support plate is fixedly connected to the left side of the upper end of the shell; a fixing shaft is fixedly connected to the front end of the support plate; a cover plate is movablyarranged on the outer side of the fixing shaft in a sleeving mode; a circular groove is formed in the upper end of the shell; a culture bottle is movably inserted into the circular groove; and a positioning groove is formed in the lower end wall of the culture bottle. A riverway microorganism sample is put into the culture bottle, an adjusting rod continues to be rotated in the reverse directionto adjust the culture bottle to be horizontal, then a lifting rod is rotated in the reverse direction to reset the culture bottle into the circular groove, the cover plate seals the culture bottle tightly, a control rod is rotated, and the control rod moves leftwards under the tangential force of outer side threads and a second circular hole; and the control rod pushes a push plate to move leftwards, and the push plate drives a pressing plate to move leftwards through a movable rod, so that the pressing plate pre-tightens the culture bottle, and the effects of firm fixation and high sewage treatment efficiency are achieved.

The invention discloses a production process of Yu-flavor Baijiu.Wetted raw grain materials and steamed husks are evenly mixed and sufficiently steamed, the steamed mixture is mixed with mature mother distillers' grains in proportion, a liquor base is obtained through spread cooling, yeast adding, accumulating, sterilizing, fermenting and steaming, and a finished product can be packaged through cellar storing and blending.A modern scientific liquor brewing process is organically combined with a traditional liquor brewing process through the multi-grain, solid, steaming and burning process, Maotai flavor, strong flavor and faint flavor are organically harmonized, high-temperature yeast, high temperature accumulating, independent grain steaming, steaming and burning are conducted, liquor steaming is not conducted together with grain, white yeast is used in the saccharification and fermentation period, saccharification and fermentation are sequentially conducted, yeast for making hard liquor is processed at medium temperature, fermentation is achieved in a mud fermentation pit, yeast for making hard liquor is combined with the mud fermentation pit, and ethyl caproate is produced in a strong-flavor mud pool.The produced Baijiu has the advantages of being fine and smooth, plump, mild, pure, mellow, soft, harmonious, palatable and low in drunken degree and effectively meets the requirements of modern costumers for Baijiu.

The invention discloses a garden flower cleaning device. The garden flower cleaning device comprises a pipe body; one end of the pipe body is a water inlet, and the other end of the pipe body is a water outlet; a horn-shaped water nozzle is arranged in the water inlet; a water pump is arranged in the water outlet; an outlet of the water pump is connected with the water outlet; a medicine chargingpipe is arranged on the pipe body; a flow homogenizing disc coaxial with the pipe body is arranged in the pipe body; multiple water holes are distributed on the flow homogenizing disc; the pipe body consists of three sections: a first pipe body, a second pipe body and a third pipe body; the three sections of the pipe bodies form an extension connecting structure; the second pipe body can be inserted in and pulled out from the third pipe body; and the first pipe body can be inserted in and pulled out from the second pipe body. The handheld garden flower cleaning device is small in size, convenient to carry, flexible and convenient to use and easy to control, and greatly improves control of the water resource saving and the cleaning quality.

The invention relates to a light steel keel for assembly door pocket of which the structure is as follows: several assemble hole is set on both sides of the keel for fixing basal layer plate, upper surface of the keel is set with installing and assemble holes. The advantages of the invention are: integrated installation, the door pocket is of high horizontal perpendicularity, plain and rigid, the screw bolt of door hinge is fixed on the steel material with high rigidity. The door pocket produced with the invention technique is of simple assembling, material and labor force economizing, wood saving, and repeat usable without component loss. The door pocket is adaptive to mass production. The door pocket is fixed with steel bar locking piece restraining the deformation of the wood lines while there is no nail holes on the surface of the door pocket and also processable in workshop in factory keeps the customer`s house away from oil paint odor.