42results about How to "Easy cleaning process" patented technology

A plurality of substrates after subjected to a chemical solution processing in a second processing bath is immersed in deionized water stored in a first processing bath. At this time, a holding mechanism is moved down such that the positions in the height direction of two holding bars among three holding bars, which are disposed on a deionized water nozzle side, are substantially the same as that of an upper deionized water nozzle. A lower deionized water nozzle keeps supplying deionized water, so that deionized water overflows an internal bath toward an external bath. Subsequently, to the two holding bars, the corresponding upper deionized water nozzles expel deionized water. This applies a sufficiently strong steam of water to the two holding bars, so that a residue adhered to holding grooves of these holding bars can be cleaned well. A holding groove of the rest holding bar can be cleaned well by a stream of water that can be formed by deionized water supplied from a lower deionized nozzle.

The invention provides an automatic online cleaning system for a self-adapting circulating cooling water heat exchanger. The system comprises a heat exchanger, a centrifugal pump and a water storage tank which are sequentially connected through a pipeline so as to form a closed loop, wherein two blowdown tanks are parallelly mounted at the two ends of the water storage tank, a branch pipe is mounted on a pipeline of a water inlet end of the heat exchanger and is connected to an air compressor, the blowdown tanks are connected to an automatic ice maker, and filtering devices are arranged in the blowdown tanks; temperature sensors, flowmeters and conductivity meters are mounted on the pipeline at the water inlet end and water outlet end of the heat exchanger and are all connected with a data acquisition system, the data acquisition system is connected with a computer and transmits data signals of the temperature sensors, flowmeters and conductivity meters to the computer for processing, the computer is connected with a control system, and the control system is connected with the automatic ice maker and controls the startup and shutdown of the automatic ice maker. According to the automatic online cleaning system and method for the self-adapting circulating cooling water heat exchanger, the data acquisition system can be used for acquiring temperatures of water inlet and water outlet of the heat exchanger and carrying out feedback, and the computer gives an instruction to the control system so as to automatically adjust cleaning volume.

The invention provides a method for preparing a spherical catalyst and a special device thereof. The method comprises the steps as follows: after being mixed, raw materials used for preparing the spherical catalyst are put into a melting furnace to be melted; melted material flows through a discharge port to a spray head which is arranged under the discharge port and is preheated to 50-1000 DEG C, and the material flows out through a spray hole at the bottom of the spray head to be cooled by converse airflow or liquid in a cooling bay to obtain the spherical catalyst; the spray head consists of a cylinder with openings at the top and the bottom, a movable porous board and a heating layer and a heat preserving layer at the external wall of a cylinder body; and the lower end of the internal wall of the cylinder body is provided with an inward lug; the movable porous board is arranged on the inward lug and can be demounted and changed freely. The invention has the beneficial effects that the prepared spherical catalyst has uniform particle size and high yield; the spray head is convenient for demounting and cleaning and can realize continuous production; the invention has simple technology and less energy consumption and is good for industrialized production.

The invention provides a processing unit for a boiler cleaning connector of a supercritical unit and a cleaning process thereof, belongs to the field of an acid pickling technology, and solves the problems that an existing boiler is bad in acid pickling effect and high in cost. The processing unit for the boiler cleaning connector of the supercritical unit comprises an economizer, a boiler, a steam separator, a water storage tank, a drain flash tank, a drain tank and a wastewater pool, wherein a check valve and a boiler water circulating pump are sequentially connected between the economizer and the water storage tank, the check valve comprises a check valve body with an inlet and an outlet, the check valve body is provided with a first valve cover in which a through hole communicated with an outlet of the check valve body and one end of the through hole extends outwards and protrudes out the check valve body to form a connecting pipe, and the connecting pipe is connected with a washing water pump through a temporary pipeline. The washing process comprises ammonia washing, washing, acid pickling, washing, rinsing and passivating. The processing unit provided by the invention has the advantages of good acid pickling effect and low cost.

Disclosed is a pile sinking method for prestress hollow pipe piles by the aid of a follow-up sleeve. A round steel pipe sleeve is arranged on a front section of a precast pile, the sleeve and the precast pile are simultaneously pressed into soil by an embracing type pile driver, after the bottom of the round steel pipe sleeve is pressed to the preset depth, the steel sleeve is clamped and fixed on a limiting steel beam, and a pile follower is used for pressing the pile until the elevation of the top of the precast pile reaches to the preset pile following depth. As the round steel pipe sleeve protects the wall of the pile, a pile hole can be protected well for a long time, after vertical pressure-resistant bearing capacity of the precast pile is stable basically, accumulated water and impurities in the hole are discharged, vertical pressure-resistant bearing capacity of the precast pile buried in the soil by the certain depth is obtained accurately via vertical pressure-resistant static load tests, and furthermore, the steel sleeve can be recycled.

A cleaning agent for decorative lights, the main raw materials include: water, ammonia water, industrial alcohol, essence, active agent, and antiseptic. This cleaning agent is suitable for cleaning hard and transparent decorations such as crystal, glass and plastic on decorative lamps. The cleaning agent not only has the ability of decontamination and dust prevention, but also is mild in nature and will not corrode the surface of transparent decorations and other lighting components. The bigger advantage is: there is no need to use water, and the cleaning agent of the present invention can be directly sprayed on the crystal, glass, plastic and other hard transparent ornaments on the decorative lamp, and the dust and oil stains on the surface can be automatically removed, which is extremely convenient cleaning process.

The invention provides a cleaner for a decorative lamp, which essentially comprises water, aqueous ammonia, industrial alcohol, essence, active agent and preservative. The cleaner is applicable for cleaning the hard and transparent ornaments on lamps such as quartz, glass and plastic, etc. The cleaner can not only decontaminate and prevent dust, but also is of moderate nature, will not corrode the surfaces of transparent ornaments and other components. At using, no water is required, the cleaner can be directly sprayed on the hard and transparent ornaments on lamps such as quartz, glass and plastic, etc., and can automatically remove dust and oily dirt on their surfaces, this greatly simplifies the cleaning operation.

The invention provides a suaeda salsa grass seed extract beverage and a preparation method thereof, and relates to a beverage. The suaeda salsa grass seed extract beverage is prepared from the following raw materials in percentage by weight: 4-6% of white granulated sugar, 0.5-5% of suaeda salsa seed oil, 5-10% of black nightshade juice, 0.1-2% of starch, 0.005-0.06% of guar gum, 0.01-0.1% of xanthan gum, 0.0002-0.02% of an antioxidant, 0.01-0.1% of a food flavor and the balance of water. The suaeda salsa grass seed extract beverage disclosed by the invention makes up the vacancy of vegetablefat beverages in conventional market; and the suaeda salsa grass seed extract beverage produced and developed by the invention has health-care efficacy, so that pursuit of people for healthy life canbe met.

The invention discloses a soldering flux cleaning agent of an integrated circuit board. The soldering flux cleaning agent is prepared from the following components in percentage by weight: 40 percent to 65 percent of a high-boiling-point alcohol ether solvent, 1 percent to 12 percent of N-methyl-2-pyrrolidinone, 0.1 percent to 5 percent of 2,4-dichloro-5-trifluoromethylpyrimidine and the balance of water. The invention also discloses a preparation method of the soldering flux cleaning agent of the integrated circuit board. The preparation method comprises the following steps: adding the water into a reaction kettle; after raising the temperature to 50 DEG C to 60 DEG C, adding the N-methyl-2-pyrrolidinone and the 2,4-dichloro-5-trifluoromethylpyrimidine according to the weight percent, and uniformly stirring; cooling the temperature to 25 DEG C to 30 DEG C; then slowly dropwise adding the high-boiling-point alcohol ether solvent to prepare the cleaning agent of the integrated circuit board. The cleaning agent disclosed by the invention is neutral, is easy to rinse and does not cause corrosion to the circuit board; the raw materials are environment-friendly and healthy; the cleaning agent is applicable to a rosin resin series soldering flux prepared from rosin, resin, an active agent containing a halide, an additive and an organic solvent, and has a wide applicable range; a cleaning process is simple and convenient, and the cleaning effect is good.

The invention provides a bore cleaning device for cast-in-place bored piles, which comprises a drill stem and an externally hung steel wire rope disposed on the same. The bore cleaning device enables the steel wire rope on the drill stem to rotate with the drill stem, such as an impeller to rotate, so that firstly, large mud pies in a cast-in-place bored pile can be broken to facilitate sludge settling and bore cleaning, and the efficiency of hole cleaning can be improved greatly; and secondly, under rotation of the impeller, such as the steel wire rope, the mud is mixed fully and generates impact to sweep the wall of a bore, the effect of mud wall protection is improved greatly, and bore forming quality and pile forming quality are improved. The bore cleaning device is simple to operate and saves construction period, so that the pile forming quality can be improved, and considerable economic benefit and social benefit are created for engineering.

The invention provides a supercritical carbon dioxide dyeing system. The supercritical carbon dioxide dyeing system comprises a dyestuff mechanism, wherein the dyestuff mechanism comprises an extracting device and a dyeing device; the extracting device comprises a plant dyestuff extracting kettle; the dyeing device comprises a natural plant dyestuff kettle and a dyeing kettle; the plant dyestuff extracting kettle and the natural plant dyestuff kettle are connected in parallel in the carbon dioxide dyeing system; and after the plant dyestuff extracting kettle is in parallel connection with the natural plant dyestuff kettle, a discharging end passes through a feeding end of the dyeing kettle. The invention further provides a supercritical carbon dioxide dyeing process which comprises a cleaning process. According to the supercritical carbon dioxide dyeing system and method, equipment of the system and the process are optimally combined; the production efficiency of the supercritical carbon dioxide dyeing technology is greatly improved, meanwhile, automated extracting mode is realized, the work intensity is relieved, and safety accidents are avoided.

The invention provides a processing unit for a boiler cleaning connector of a supercritical unit and a cleaning process thereof, belongs to the field of an acid pickling technology, and solves the problems that an existing boiler is bad in acid pickling effect and high in cost. The processing unit for the boiler cleaning connector of the supercritical unit comprises an economizer, a boiler, a steam separator, a water storage tank, a drain flash tank, a drain tank and a wastewater pool, wherein a check valve and a boiler water circulating pump are sequentially connected between the economizer and the water storage tank, the check valve comprises a check valve body with an inlet and an outlet, the check valve body is provided with a first valve cover in which a through hole communicated with an outlet of the check valve body and one end of the through hole extends outwards and protrudes out the check valve body to form a connecting pipe, and the connecting pipe is connected with a washing water pump through a temporary pipeline. The washing process comprises ammonia washing, washing, acid pickling, washing, rinsing and passivating. The processing unit provided by the invention has the advantages of good acid pickling effect and low cost.

The invention belongs to the field of ventilator-related equipment, and in particular relates to an air intake pipe applied to a centrifugal fan, comprising an air intake pipe fixedly connected to the air inlet end of the centrifugal fan, and an expansion ring is arranged on the side wall of the air intake pipe to expand There are multiple sliding rods running through the sliding connection on the side wall of the ring. The end of the sliding rod inside the expansion ring is fixedly connected with an arc-shaped connecting block. The uppermost connecting block is fixedly connected with the inner top surface of the expansion ring through the fixing rod. The drive box is fixedly connected to the lower end, the fan-shaped frame is fixedly connected to the end of the connection block close to the center of the expansion ring, the power grid is fixedly connected to the fan-shaped frame, the upper end of the fan-shaped frame is fixedly connected to a conductive column, and the side wall of the drive box is provided with a conductive column. Matching through slot, the drive box is equipped with a power generating mechanism. The invention can prevent the exhausted air from being mixed with peculiar smell caused by live mosquitoes entering the ventilator through the air intake pipe during the working period of the ventilator by setting the power grid, and at the same time ensure the service life of the ventilator.

The invention provides a production method and device for reducing sulfite residues in frozen shrimp products. The invention improves the cleaning link in the production process of frozen shrimp products, and creatively uses two kinds of food, sodium caseinate and calcium chloride. Additives and sulfur dioxide are competitively combined to remove the mechanism, and the corresponding production process and equipment have been developed. After application, it is found that not only the effect of sulfite removal is good, but also the safety and product quality are good, and it is also water-saving, labor-saving, easy to operate, Suitable for large-scale production and other advantages.

The invention discloses a method for washing a silicic acid gallium lanthanum wafer. The method includes the following steps that cleaning fluid composed of phosphoric acid, hydrogen peroxide and deionized water is used for carrying out mega sound washing on the silicic acid gallium lanthanum wafer; the washed silicic acid gallium lanthanum wafer is rinsed and spun to be dry; cleaning fluid composed of ammonium hydroxide, hydrogen peroxide and deionized water is used for carrying out mega sound washing on the silicic acid gallium lanthanum wafer; the washed silicic acid gallium lanthanum wafer is rinsed and spun to be dry; the wafer spun to be dry is placed into an oven to be dried. According to the method for washing the silicic acid gallium lanthanum wafer, time of an acid cleaning procedure is shortened and time of an alkaline washing procedure is prolonged; meanwhile, more effective mega sound cleaning is used for replacing traditional ultrasonic cleaning, the problem of washing the cut silicic acid gallium lanthanum wafer is solved, the cleanliness of the surface of the silicic acid gallium lanthanum wafer is improved and a good cleaning effect is obtained.

The invention discloses a silicon block cleaning method and its application, belonging to the technical field of silicon block cleaning. The invention provides a method for cleaning a silicon block, comprising sequential pickling, rinsing, cold immersion and hot immersion; wherein, the acid solution used for pickling includes nitric acid and hydrofluoric acid, and the pickling is sequentially carried out in the proportion gradient of nitric acid Carry out in three kinds of acid solutions that increase, and the acid solution used for pickling for the first time is nitric acid: hydrofluoric acid=9‑11:1v / v. The cleaning method of the present invention utilizes three kinds of acid solutions with increasing proportion gradient of nitric acid to pickle the silicon blocks sequentially, optimizes the cleaning process of silicon blocks, improves the pickling efficiency and product quality of silicon materials, and alleviates the problems caused by the cleaning of single-proportioned acid solution pools. There are technical problems such as uneven pickling, acid spots and color differences, high metal impurity content on the surface and large fluctuations in metal impurity content.

The invention provides an automatic online cleaning system of an intelligent circulating cooling water heat exchanger. The automatic online cleaning system comprises the heat exchanger, a centrifugal pump and a water storage tank which are connected in sequence through a pipeline to form a closed loop, a dirt discharge tank is arranged in the mode of being connected with the two ends of the water storage tank in parallel, a branch pipe is arranged on a pipe at the water inlet end of the heat exchanger, and connected with an air compressor, the dirt discharge tank is connected to an automatic ice machine, and a filter device is arranged in the dirt discharge tank. Temperature sensors, flowmeters and conductivity meters are arranged on the pipe at the water inlet end of the heat exchanger and a pipe at the water outlet end of the heat exchanger respectively, and all connected with a data collecting system, and the data collecting system is connected with a computer to transmit data signals of temperature transmitters, the flowmeters and the conductivity meters to the computer to be processed. The computer is connected with a control system, and the controls system is connected with the automatic ice machine and controls the automatic ice machine to be turned on and off. The automatic online cleaning system modified based on a traditional cooling system and a three-phase mixed liquid cleaning method matched with the system are utilized, and efficient and automatic online cleaning of the heat exchanger is achieved.

The invention provides a chemical mechanical polishing liquid for regenerated wafers and a preparation method thereof. The mass percentage composition comprises 5% to 50% of abrasive particles, 0.1% to 10% of a rate accelerator, and 0.5% to 5% of a complexing agent. , 0.1% to 2% of pH regulator, 0.001% to 1% of nonionic surfactant and 0.001% to 1% of betaine type zwitterionic surfactant, and the balance is water. The polishing liquid can effectively repair the surface damage of the regenerated wafer, remove the residual film on the surface, and maintain a high removal rate of the silicon wafer. The surface quality of the regenerated wafer after polishing is excellent, and the number of cycles is increased.

The invention discloses a novel core barrel with hole cleaning, sand gravel fishing and coring functions. The novel core barrel comprises a sand fishing segment, a coring segment and a core barrel connecting segment. An inner cavity pipe wall is arranged in the sand fishing segment so as to form a double-layer structure. The upper end of the inner cavity pipe wall is connected with a core barrel joint. The outline of the top of the sand fishing segment is in the shape of an arc streamline. A pair of sand inlets are formed in positions, close to the upper end, in the outer layer pipe wall of the sand fishing segment. A plurality of drain holes are formed in the positions close to the lower end of the sand fishing segment. An inner cavity pipe wall is arranged on the upper portion of the core barrel connecting segment so as to form a double-layer structure, and the lower portion of the core barrel connecting segment is of a single-layer structure. An annular sand separating plate is arranged in the middle portion of the core barrel connecting segment, so that a ladder shaped structure is formed. A gap in the double-layer structure of the sand fishing segment, a gap in the double-layer structure of the upper portion of the core barrel connecting segment and the sand separating plate define a sand storage chamber with an opening formed in the upper portion. The lower end of the core barrel connecting segment is connected with the coring segment, and a drill bit is arranged at the lower end of the coring segment. The novel core barrel further has the functions of fishing for sand gravel in various sand gravel and weathered clastic rock stratums besides a drill coring function.