37results about How to "Guaranteed degreasing effect" patented technology

The invention discloses a down feather rapid degreasing technology, and relates to the technical field of down feather processing. The technology comprises following steps: (1) primary preheating; (2)primary degreasing; (3) primary rinsing; (4) secondary preheating; (5) secondary degreasing; and (6) secondary rinsing. Through preheating operation before a degreasing agent is sprayed, grease on down feathers is activated, and thus the degreasing effect is enhanced. The degreasing effect is guaranteed through twice degreasing, and the grease on down feathers is effectively removed. By using a degreasing agent, the degreasing effect is guaranteed, at the same time, the using amount of water is reduced, and the degreasing rate can reach 99% or more. Furthermore, the wastewater generated by degreasing is easy to process, and after a simple treatment, the sewage can be directly discharged.

The invention discloses a screw conveying and degreasing device. The screw conveying and degreasing device comprises a screw conveying roller, a transmission mechanism and a degreasing assembly and further comprises a passing and conveying assembly and a passing roller. The passing and conveying assembly is used for receiving materials output by a first screw channel and conveying the materials to a receiving mechanism of the next working procedure. The passing and conveying assembly includes a bucket fixedly arranged on the inner wall of the screw conveying roller, the bucket is provided with a bucket opening opposite to a first screw outlet of the first screw channel, and a drainage outlet of cleaning fluid is formed in the bucket. One end of the passing roller penetrates through a screw conveying outlet of the screw conveying roller and is located in the screw conveying roller, the other end of the passing roller is connected with the receiving mechanism of the next working procedure, the end, located in the screw conveying roller, of the passing roller is arranged in a closed mode, and a receiving opening is formed in the side wall, close to the closed end, of the passing roller, corresponds to the bucket opening and is used for receiving materials dumped by the bucket. The situation that the cleaning and degreasing part conveys the materials to a drying segment for drying is not affected, and meanwhile the cleaning fluid of the cleaning and degreasing part can be prevented from entering the drying segment.

The invention provides a spiral conveying and degreasing process. In the spiral conveying step, a circulation conveying assembly is arranged and comprises a bucket and a circulation roller, wherein the bucket is fixedly arranged on the inner wall of a spiral conveying roller and provided with a bucket opening; the bucket opening is opposite to a first spiral outlet of a first spiral channel, and a cleaning fluid filtering port is formed in the bucket; one end of the circulation roller penetrates through a spiral conveying outlet of the spiral conveying roller and is located in the spiral conveying roller, and the other end of the circulation roller is connected with a material receiving mechanism in the next process; the end, located in the spiral conveying roller, of the circulation roller is closed, and a receiving port corresponding to the bucket opening is formed in the sidewall, close to the closed end, of the circulation roller and used for receiving materials dumped by the bucket. By the adoption of the spiral conveying and degreasing process, the process that a degreasing portion conveys the materials to a drying section for drying is not affected, and degreasing agents of the degreasing portion can also be prevented from entering the drying section.

The invention relates to the technical field of oily fume purifying, in particular to an automatic cleaning device for oily fume purifying. The automatic cleaning device comprises an oily fume separating tank, wherein a fume inlet of the oily fume separating tank is equipped with a baffle plate; oily fume separators which are connected with a drive motor are uniformly distributed and embedded intothe baffle plate; and cleaning structures for automatically cleaning the oily fume separator are further arranged on the baffle plate. The automatic cleaning device can clean the oily fume separatorsanytime when the equipment normally works, so that the oil removal effect is guaranteed.

The invention discloses an efficient degreasant special for natural leather, and relates to the technical field of leather processing. The efficient degreasant comprises raw materials, by weight, 15-20 parts of decyl glucoside, 10-15 parts of PEG-60 hydrogenated castor oil, 5-10 parts of lauroyl sodium glutamate, 5-10 parts of water treatment level polyglutamic acid, 1-5 parts of poloxamer 188, 1-5 parts of polyoxyethylene, 1-5 parts of chitosan quaternary ammonium salt, 0.5-3 parts of hydrolytic polymaleic anhydride and 0.1-1 part of ethylenediamine tetraacetic acid disodium salt. The degreasing rate of the prepared degreasant reaches 80% or above, the degreasant belongs to a low foam type degreasant, only a small quantity of foams are generated after the degreasant is dissolved into water, and therefore the follow-up water using quantity is reduced; and meanwhile, the prepared degreasant is mild in chemical property, and the fiber structure of the natural leather cannot be damaged.

The invention relates to the technical field of steep strip machining, in particular to a degreasing device, which can effectively guarantee the degreasing effect. The degreasing device comprises a degreasing box; and a spraying head is mounted in the degreasing box, and is connected with an alkali liquid box through a liquid inlet pipeline. The degreasing device is characterized in that the degreasing box is provided with a feeding rubber roller pair at an inlet end and a water stop rubber roller pair at an outlet end; a brushing roller mechanism is mounted in the degreasing box, and comprises a front bracket and a back bracket; upper brushing rollers and lower rubber rollers are mounted on the front bracket in a staggered manner; and upper rubber rollers and lower brushing rollers are mounted on the back bracket in a staggered manner.

The invention discloses a method for oxidizing a brake master cylinder, which comprises the following steps of: 1, hanging, namely hanging the brake master cylinder to a rack special for oxidizing the brake master cylinder; 2, performing weak acid oil removal treatment; 3, preparing anode oxidizing tank liquor; 4, performing anode oxidization treatment; and 5, taking out the brake master cylinder, cleaning, and performing enclosed drying treatment. The brake master cylinder treated by the method meets the industrial requirements on quality such as film thickness, roughness, hardness and the like.

The invention relates to a coking wastewater oil removal treatment device and method. The device comprises a coking wastewater pre-filter and an oil-water separator, the coking wastewater pre-filter comprises a barrel, a filter element installed in the barrel, filter cloth arranged outside the filter element in a sleeving mode, a liquid outlet pipe connected with the filter element, a blowback pipe, a circulating pipe and a liquid inlet pipe connected with the barrel, a forward blowing port is formed in the barrel, a slag discharging port is formed in the bottom of the barrel, the other end ofthe circulating pipe is connected with the barrel, the oil-water separator comprises a tank body, and a rotational flow gathering and filtering cavity, a primary coarse filtration gathering cavity, aW-shaped corrugated plate cavity, a secondary fine filtration adsorption cavity and a water outlet transition cavity which are arranged in the tank body, a water inlet pipe connected with the rotational flow gathering and filtering cavity and a water outlet pipe connected with the water outlet transition cavity are arranged on the tank body, an oil collecting bag is arranged at the top of the tank body and is connected with an oil outlet pipe, and the liquid outlet pipe is connected with the water inlet pipe. The invention further relates to a method for treating coking wastewater by using the coking wastewater oil removal treatment device. The problem that coking wastewater is difficult to treat is solved.

The invention discloses a fluorocarbon coating process for building materials, which comprises the following steps: pretreatment, primer coating, drying and cooling, back coating, drying and cooling,middle coating, drying and cooling, surface coating, drying and cooling, and winding up. As that aluminum plate is treat by the roll coating proces, the aluminum plate can not be further corroded dueto residual metal impurity ions, The defatting effect of the substrate is fully guaranteed, the adhesion and corrosion resistance of the substrate and the coating are enhanced, and the aluminum plateobtained by the fluorocarbon coating process is provided with the advantages of strong corrosion resistance, low thermal conductivity, radiation protection and good decorative effect after the aluminum plate is backcoated, primed, medium coated and surface coated. The aluminum plate obtained by the fluorocarbon coating process has the advantages of strong corrosion resistance, low thermal conductivity, and good decorative effect.

The invention provides a device and a method for deoiling by entraining, refluxing and reusing multistage baffling microbubble flotation, and relates to the technical field of deoiling of oilfield produced water. The multistage baffling microbubble flotation oil removal device for entrained air backflow recycling comprises an air flotation tank, a dissolved air pump and an electric control system, and a vortex reactor, a T-shaped water passing opening and an adjustable oil collecting groove are arranged in the air flotation tank; a nitrogen pressure automatic balancing pipeline system, a nitrogen entraining return pipeline, a dissolved air water replenishing pipeline, a dissolved air water return pipeline and an oil-containing raw water extraction pipeline are arranged outside the air floatation tank; the air dissolving efficiency is improved and the particle size of microbubbles is reduced by controlling the inlet and outlet pressure of an air dissolving pump; the vortex reactor slows down the bubble gathering and floating speed and prevents short flow; according to the nitrogen pressure automatic balancing pipeline system, a stable gas phase space can be formed at the inner top of the air floatation tank, the liquid level is kept stable, separated nitrogen serves as a gas source of the gas dissolving pump to be recycled, and the consumption of the nitrogen is greatly reduced.

The invention discloses an oil-containing high-concentration phenol-ammonia wastewater treatment device and process. The oil-containing high-concentration phenol-ammonia wastewater treatment device comprises an oil removal reaction tank, an oil removal separation tank, an extraction sieve-plate tower, a deacidification tower, a deamination tower and the like. Oil substances in wastewater are removed and recovered by adopting demulsification, gravity settling and pre-extraction methods, and various phenols and ammonia substances in water are effectively treated by combining a complexing extraction method and a stripping method, so that efficient removal and recovery of phenols and ammonia are realized, and cyclic utilization of an extraction agent is ensured. According to the process technology, the removal rate of petroleum substances in the wastewater is larger than 90%, the removal rate of total phenols is larger than 85%, the removal rate of NH4-N is larger than 95%, oil, phenol ammonia and acidic substances can be efficiently and economically removed and recycled through quality-divided advanced treatment of the wastewater, and the process technology is high in reliability and high in adaptability to sewage and has good economic benefits and social benefits.

The present invention provides a film without grease residue and a preparation method thereof. The method comprises the steps of: mixing and heating polyethylene, paraffin oil, silicon dioxide nanoparticles and 4, 4'-sulfo-bis(6-tert-butyl-m-cresol) in batches, performing extrusion molding, performing transverse stretching and longitudinal stretching respectively, and performing two-dimensional stretching; and after stretching is finished, feeding the film into an oil removal device, and carrying out oil removal operation on the film under the action of an extrusion roller and an oil absorption material, so as to prepare the lithium battery diaphragm without grease residues.

The invention provides a surface deoiling device for steel pipe machining. The surface deoiling device for steel pipe machining comprises a soaping box, filtering assemblies, a supporting frame, hydraulic rods, a placing assembly, an electric control cabinet and a PLC. According to the surface deoiling device, due to the arrangement of the placing assembly, during use, steel pipes are placed between baffles, the steel pipes are supported and limited through base plates, and the phenomenon that the steel pipes move is avoided; the hydraulic rods are adopted to drive the placing assembly to movedownwards, the steel pipes are conveniently placed in the soaping box, deoiling operation is conducted through soaping liquid, the hydraulic rods drive the placing assembly to move upwards, the steelpipes are conveniently taken out, time and labor are saved, and the working efficiency of the deoiling device is improved; due to the arrangement of the filtering assemblies, a circulating pump conveys the soaping liquid into a filtering box through a liquid suction pipe and a liquid conveying pipe, impurities in the soaping liquid are removed through a filtering net in the filtering box, the deoiling effect of the soaping liquid is guaranteed, secondary pollution caused by the impurities to the steel pipes is avoided, the filtering box is taken down regularly to remove the impurities in thefiltering box, and normal operation of the filtering assemblies is guaranteed.

The invention discloses an emergency disposal method and equipment for emergency transformer oil of an extra-high voltage power station in the technical field of environmental protection. The emergency disposal method mainly comprises the following steps: firstly, collecting an oil-water mixture leaked to an accident oil pool by using an oil bag; then carrying out oil-water separation on the collected oil-water mixture by using a polymer corrugated plate to obtain a pretreated oil-water mixture; carrying out oil-water separation on the pretreated oil-water mixture by using an adsorption tank; the adsorption tank adopts a chitosan adsorbent; separating impurities such as adsorbent powder by adopting a pressurization method; and finally discharging the treated wastewater.

The invention discloses a novel oil-water separation device for oil field water treatment, which comprises a separated water collecting cylinder; a cyclone centrifugal working cylinder is arranged inthe separated water collecting cylinder, and a cyclone assembly is arranged in the cyclone centrifugal working cylinder. A secondary separation conical barrel is further arranged between the upper endof the cyclone centrifugal working barrel and the inner side wall of the top of the separated water collecting barrel, the bottom surface of the separated water collecting barrel is further connectedwith a liquid inlet pipe communicated with the bottom of the cyclone centrifugal working barrel, and the top of the separated water collecting barrel is further connected with an oil outlet pipe communicated with the top of the secondary separation conical barrel; a water outlet is further formed in the bottom of the separated water collecting cylinder. According to the novel oil-water separationdevice for oil field water treatment, the problem that in the prior art, the oil removal effect is not ideal or the cost is high is solved.

The invention belongs to the technical field of daily chemicals, and particularly relates to a detergent cream with strong oil removal property. The detergent creamis prepared from the following raw materials in percentage by mass: 50-60% of an anionic surfactant, 5-10%of SiO2-poly-(allyl hydrochloride)-Mn, 7-12%of a chelating agent, 1-6%of a thickening agent, 6-8%of edible salt, 0.1-0.6%of kathon, 0.3-0.8%of essence and the balance of water. According to the technical scheme, Mn<2+> is added due to the fact that the Mn<2+> can attack carboxylic acid in fat-based oil through ion exchange reaction, decarboxylation or splitting decomposition to achieve the purpose of removing oil stains, poly-(allyl hydrochloride) is grafted to SiO2 nano particles, and the poly-(allyl hydrochloride) with positive electricity can be combined with an anionic surfactant, so that the detergent cream prepared from the anionic surfactant has better thermodynamic stability compared with traditional detergent cream, and the degreasing effect of the detergent cream is guaranteed.