36results about How to "Extend cleaning intervals" patented technology

The invention relates to a feeding pipe of a reactor for continuous polymerization production of spandex. The pipe comprises a feeding pipe body (1), a mixed amine feeding pipe (2), a prepolymer feeding pipe (3), an end surface flange cover (4) and a manual doctor blade system (5), wherein the feeding pipe main body (1) comprises a main feeding pipe (1.3), a first flange (1.1) and a second flange(1.2); the mixed amine feeding pipe (2) comprises a mixed amine pipe (2.2) and a third flange (2.1), the third flange (2.1) is mounted at one end of the mixed amine pipe (2.2), and the mixed amine pipe (2.2) is arranged in the main feeding pipe (1.3); the prepolymer feeding pipe (3) comprises a prepolymer feeding branch pipe (3.1) and a fourth flange (3.2); the end surface flange cover (4) is connected with the outer end of the second flange (1.2); and the manual doctor blade system (5) comprises a handle (5.1), a first link rod (5.2), an eccentric crank (5.3), a second link rod (5.4) and a doctor blade (5.5). The feeding pipe of the reactor is reliable in performances, does not need to be cleaned regularly and can prevent the continuous generation of gumming phenomenon during the production.

A method for chemically and roughly treating a quartz surface overcomes the defects of the prior art in which the treatment to the quartz surface easily leads to damage and influences the size accuracy of the quartz product. The method is as below: at a normal temperature and a normal pressure, immersing a quartz product into a container filled with a treating fluid so as to undergo reaction after the surface of the quartz product is polished, taking out the quartz product after two-hour reaction, and immersing the quartz product into the treating fluid again so as to repeat the preceding reaction till the roughness Ra of the surface of the quartz product is equal to 1.5 micrometers to 4.5 micrometers after attachments on the surface of the quartz product is eliminated with deionized water. The treatment process has reasonable design, involves simple devices and is easy to be operated, and the obtained quartz product has uniform surface roughness which is free from the influence of the shape. During the participation in the CVD reaction, the crazing and the shedding of a deposited film on the quartz surface is effectively reduced so as to reduce the possibility of pollution to thereaction cavity, to remarkably improve the finished product rate and the production efficiency, and then further to prolong the service life of the quartz product, save time, reduce consumption and reduce production cost.

The invention provides an air intake structure of a window air conditioner. The window air conditioner is divided into an indoor side and an outdoor side, wherein, an indoor air suction grille and an indoor air exhaust grille are arranged on a front panel at the indoor side; the front panel is internally equipped with an evaporator and an air supply fan; an outdoor air intake grille and an outdoor air exhaust grille are arranged on an enclosure at the outdoor side; the enclosure is internally equipped with a condenser and an eddy-current fan; an opening is arranged on a top plate of the enclosure, the inner side of the opening forms a ring cavity, the top of the ring cavity is opened, and a side plate grille is formed at the side plate inside the ring cavity; and an air intake plate detachably closes the opening on the top plate, and an air intake grille is formed at the position on the air intake plate corresponding to the open part of the ring cavity. The air intake structure of the window air conditioner has the beneficial effects of increasing the area of air intakes, reducing the average attractive force at the air intake grilles, lowering the possibility that fallen leaves are adsorbed, and ensuring normal operation of a fan; the ring cavity has the capability of storing adsorbed substances, thus effectively ensuring the cleanness in the enclosure and prolonging the cleaning time interval; and the structure is simple and beautiful and is rich in artistic sense, thus increasing the added value of the product, improving the product quality and prolonging the service life.

Baking soda preparation apparatus, including CO 2 Output device, Na 2 CO 3 Solution preparation device, carbonization device, crystallization barrel, first centrifuge, drying bed, mother liquor tank, mother liquor recovery device and heating device; a baking soda preparation method, applied to a baking soda preparation device, the steps are as follows: S01, respectively prepare CO 2 gas and Na 2 CO 3 solution; S02, flue gas heat exchange with the alkali-dissolving tank and drying bed; S03, flue gas recycling; S04, use the waste gas discharged from the comprehensive flue gas purification device to prepare CaCO 3 ; S05, preparation of CaCO 3 Finished product; the advantages of the present invention are: low wind pressure required for carbonization equipment; more complete internal reaction of carbonization equipment; recycling of raw materials; multiple utilization of internal heat; reuse of waste flue gas; basically no scarring inside the carbonization equipment.

The invention relates to a deodorizing liquid for rabbit culture. The deodorizing liquid is prepared from the following raw materials in parts by weight: 2 to 3 parts of biological zymocyte, 900 to 1100 parts of warm water with a temperature of 50 DEG C, 45 to 55 parts of brown sugar, 90 to 110 parts of corn flour, 45 to 55 parts of cooked soybean meal powder, and 45 to 55 parts of cooked rapeseed meal powder. The manufacturing method comprises steps of material preparation, breeding, mixing, and fermentation. The application method comprises the following steps: (1) weighing a certain amount of prepared deodorizing liquid, diluting the deodorizing liquid with water according to a ratio of deodorizing liquid to water of 1:10, then spraying the diluted deodorizing liquid into rabbit feed, evenly stirring, and feeding the rabbits by the feed; (2) weighing a certain amount of prepared deodorizing liquid, then diluting the deodorizing liquid with water according to a ratio of deodorizing liquid to water of 1:25, and then spraying the diluted deodorizing liquid into rabbit manure which is excreted by the rabbits in the step (1). The invention aims to provide a deodorizing liquid for rabbit culture, a preparation method and application method thereof. The rabbit manure is deodorized through a microbial fermentation method, mosquitoes will not generate around the processed rabbit manure, the rabbit manure can be cleaned for every 3-5 months, the labor resource and material resource are both reduced, and at the same time the manure is effectively used and can be used to produce farm manure.

The invention relates to an easy-to-clean hydrophobic coating which is characterized by comprising the following components in weight percentage: 35-60 percent of organic solvents, 20-45 percent of silicon oil, 15-25 percent of trimethyl-n-propoxysilane, and 0.1-1 percent of organic acid or inorganic acid. The easy-to-clean hydrophobic coating has the advantages of environmental protection and hydrophobic property, after the easy-to-clean hydrophobic coating is coated on the glass surface, the common glass has the easy-to-clean hydrophobic function, and the easy-to-clean hydrophobic coating has the antibacterial and anti-mildew effects, is longer in service life, and resistant to yellowing and ultraviolet rays, provides a convenience for life of people and saves cost.

The invention provides a chamber environment control method comprising the following steps: step S1, feeding a pre-cleaning gas into a chamber to clean the inner surface of the chamber; step S2, feeding a first gas into the chamber to deposit a first coating on the inner surface of the chamber, wherein the first coating does not contain fluorine; step S3, transmitting a to-be-processed substrate into the chamber for a process, and removing the to-be-processed substrate out of the chamber after the process is completed; step S4, feeding a second cleaning gas into the chamber, and exciting the second cleaning gas to form a plasma so as to remove byproducts formed on the inner surface of the chamber in step S3; and step S5, feeding a first cleaning gas containing no fluoride into the chamber, and exciting the first cleaning gas to form a plasma so as to remove the first coating and restore the chamber environment. The method can avoid the corrosion of fluoride to the inner surface of the chamber and fundamentally eliminate the fluorine memory effect of the chamber, and therefore, the chamber environment is consistent for each process.

The invention belongs to the technical field of rainwater filtering devices, and in particular relates to a non-powered self-cleaning rainwater filtering device, which includes a water inlet three-way pipe connected to a water inlet rainwater pipeline, a water storage pipe and a four-way pipe for water storage An inlet pipe is installed on the top of the pipe, a filter is installed on the bottom, and one end of the backwash pipeline is connected to the inside. The backwash pipeline includes a vertical pipe, an upper elbow, a horizontal pipe, a Venturi tube, and a lower elbow, and the other end of the backwash pipeline The connected drain pipe is connected with a four-way pipe, the bottom side of the drain pipe is connected to the four-way pipe through the seepage pipeline, the bottom of the drain pipe is connected to the outlet rainwater pipeline, the flange blind plate connected to the top of the four-way pipe is connected to the top of the connecting frame, and the bottom of the connecting frame A filter basket is installed at the end of the cross pipe, and a filter plate is installed at the end of the four-way pipe facing the drain pipe. The combined design is low in cost and easy to assemble, which is conducive to the transportation, storage and popularization of the device. The tube speeds up and sprays out from the lower elbow to realize non-powered backwashing of the filter plate.

The invention relates to a dust collection device for a vacuum drier. The dust collection device comprises a dust collection barrel and a vacuum pump, and is characterized in that: the dust collection barrel comprises a barrel body and an air inlet pipe; a vacuumizing hole is formed on the side wall of the barrel body; a drain outlet is formed at the bottom of the barrel body; the air inlet pipe is inserted into the barrel body; a dust collector is arranged between the dust collection barrel and the vacuum pump; a dust inlet of the dust collector is connected with the vacuumizing hole of the dust collection barrel; and a vacuumizing interface of the dust collector is connected with the vacuum pump. The dust collection device has the advantages that: when the vacuum drier is used for drying, dust is separated from water completely, the dust collection device is not needed to be cleaned frequently, and the production efficiency is improved while the labor intensity of workers is reduced.

The invention discloses a tube-type falling film evaporator, a concentrating device and its use method and process; it includes a first evaporation unit, a second evaporation unit, a third evaporation unit and a fourth evaporation unit; the first evaporation unit consists of a wet The secondary steam generated by the protein drying process is used as a heat source, the second evaporation unit uses the secondary steam generated by the first evaporation unit as a heat source, and the third evaporation unit adopts the MVR evaporation process, and the secondary steam generated by it is After being pressurized and heated by a mechanical compressor, it is used as the heat source of the third evaporation unit, and the fourth evaporation unit uses water vapor as the heat source; the evaporators of the first evaporation unit, the second evaporation unit and the third evaporation unit are all tube-type Falling film evaporator, the present invention can improve the equipment utilization rate, thereby greatly reducing the production cost of the enterprise, and bringing greater economic benefits to the enterprise.

The invention relates to a noise-based control method for an air purification device and an air purification device. Specifically, the control method includes: using the noise detection module to detect the noise generated by the air purification device to obtain the noise value; and using the air volume detection module to detect the air volume at the air outlet to obtain the air volume value; after the noise value is greater than the target noise value for the Nth time , control the air supply module according to the air volume value and the Nth target air volume value, so that the air volume at the air supply port remains at the Nth target air volume value, N is a natural number greater than or equal to 1; and when N is greater than 1, the Nth target The air volume value is less than the N‑1th target air volume value. The air supply volume of the air purification device can be controlled according to the noise value, which can ensure a constant air supply volume of the air purification device as much as possible, and can make the noise generated by the air purification device lower, providing users with a comfortable living and working environment.

The invention relates to an air purifying device and a control method thereof. The control method includes: acquiring an air volume value and a noise value; before the noise value is larger than a target noise value, controlling an air supply module according to the air volume value and a first target air volume value to keep the air volume at an air supply port at the first target air volume value; after the noise value is larger than a target noise value, controlling the air supply module according to the noise value and the target noise value to keep noise generated by the air purifying device at the target noise value, and judging whether the air volume value is smaller than a second target air volume value or not; if the air volume value is smaller than the second target air volume value, judging that a filter module loses a filtering function. The air supply volume of the air purifying device can be controlled according to the noise value, constant air supply volume of the air purifying device can be guaranteed as far as possible, noise increasing of the air purifying device is inhibited as far as possible under a high-noise condition while large air supply volume is realized, and accordingly a comfortable living and working environment can be provided for users.