88results about How to "Solve the release problem" patented technology

The invention provides a device and a method for improving the biological dephosphorizing and denitriding efficiency of low carbon source sewage, belonging to the technical fields of sewage treatment and residual sludge treatment. The method comprises the following steps of: under the microwave alkaline hydrolysis condition, hydrolyzing solid organic matters in the residual sludge into soluble organic matters; recovering and hydrolyzing nitrogen and phosphor in supernate by adopting a magnesium ammonium phosphate setting method; and adding the hydrolyzed supernate subjected to dephosphorizing and denitriding treatment in the low carbon source sewage and carrying out biological dephosphorizing and denitriding treatment on the hydrolyzed supernate so as to improve the biological dephosphorizing and denitriding efficiency of the low carbon source sewage. According to the invention, by carrying out the microwave alkaline hydrolysis treatment on the residual sludge to produce high-concentration soluble organic matters easy to biodegrade, the product can be used as a low-price carbon source subjected to biological dephosphorizing and denitriding treatment in the lower carbon source sewage, and the biological dephosphorizing and denitriding efficiency in the lower carbon source sewage can be improved; meanwhile, sludge minimization, reclamation and harmlessness can be realized. The VSS (Volatile Suspended Solids) solubility in the sludge can be improved to 82 percent, so that the effluent quality of the low carbon source sewage treated by the device and the method achieves the first-class B standard 'Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant' (GB18918-2002).

The embodiment of the invention discloses a method, a device, a strategic control entity and a system for releasing a switch-in connection. The method comprises the following steps: a switch-in connection release indication is received by a data gateway, wherein the the switch-in connection release indication is used for indicating to release switch-in connection of a corresponding user terminal through a switch-in network; and the switch-in connection of the user terminal through the switch-in network is released by the data gateway according to the switch-in connection release indication. The embodiment of the invention can specifically indicate the released objects to certain or some switch-in connection (s), thus directly releasing the indicated switch-in connection, and solving the problem that a plurality of switch-in connections corresponding to the data connection can not be released in the prior art.

The invention discloses a preparation method of a flame-retardant cotton fabric. The preparation method comprises the following steps: adding natural phytic acid compounds and gamma-epoxy propoxy trimethoxy silane into an organic solvent, stirring and reacting for 0.5-2 hours at 50-80 DEG C to obtain a flame-retardant finishing liquid, soaking a cotton fabric into the flame-retardant finishing liquid for 8-15 minutes, then soaking and rolling twice, then drying the cotton fabric at 60-90 DEG C, baking the cotton fabric for 2-8 minutes at 150-180 DEG C, and finally performing water washing, soaping and drying. The preparation method disclosed by the invention adopts natural phytic acid as a reaction raw material, a prepared flame-retardant textile cannot release free formaldehyde, the problem of formaldehyde release of most of current flame retardants can be solved, gamma-epoxy propoxy trimethoxy silane is introduced into flame retardant molecules, the prepared flame retardants contain a plurality of reactive groups, and the problem of flame-retardant finishing durability of the cotton fabric can be solved. The technical scheme disclosed by the invention is simple in process and convenient to operate, and has wide application prospects.

The invention discloses a production method of a flame-retardant and antibacterial cotton-linen blended fabric. The production method comprises the specific process steps that a rolling and baking process is adopted to conduct functional finishing on the cotton-linen blended fabric, wherein a flame retardant CP, a fiber protectant, chitosan, citric acid, sodium hypophosphite, a penetrant JFC and phosphoric acid are dissolved in water to prepare a finishing solution, the cotton-linen blended fabric is put in the finishing solution to be dipped for 5-20 minutes, then two times of dipping and two times rolling are performed, the solution detention rate is 70%-100%, and then the cotton-linen blended fabric is dried under the condition of 60-90 DEG C, then is baked under the condition of 130-170 DEG C and is washed and dried to obtain the flame-retardant and antibacterial cotton-linen blended fabric. The flame retardant CP adopted by the method is a phosphorus based flame retardant, the flame-retardant efficiency is high, the antibacterial agent chitosan is rich in resource, is biodegradable, good in absorption performance, safe and non-toxic and can also produce a phosphorus-nitrogen synergistic effect with phosphorus based flame retardant CP, and the flame-retardant effect is improved.

The invention discloses a single-needle type micron-sized object picking and releasing device and method and relates to a device and method for picking and releasing a micron-sized object gently to solve the problem that micron-sized object picking operation fails due to high local stress generated through traditional mechanical clamping and vacuum absorption. The device comprises a second three-axis electric horizontally-moving table, a vibration isolation table, a first three-axis electric horizontally-moving table, a third three-axis electric horizontally-moving table, a self-tightening chuck, a probe, a spiral micrometer head, a thermistor element, a capillary tube and a capillary tube clamp, wherein the first three-axis electric horizontally-moving table comprises a second connecting plate, a probe driving motor, a first connecting plate, a micrometer head clamp and a first connecting base, the second three-axis electric horizontally-moving table comprises a first microscope, a first microscope clamp and a second connecting base, and the third three-axis electric horizontally-moving table comprises a second microscope, a second microscope clamp and a third connecting base. The device and method are used for gentle picking, transferring and releasing of micron-sized objects.

The invention relates to a process for quickly laminating veneers of formaldehyde-free single plates/plastic composite plates. The process includes that prefabricated formed polypropylene plastic films are used as veneering adhesion materials. The process has the advantages that shortcomings of glue penetration, blister, glue failure and the like which are easy to occur when liquid adhesive is used for veneering in the traditional process can be overcome, surface quality shortcomings such as discoloration of veneers formed during wood-plastic composite plate veneering and composite plate manufacturing can be overcome, and the environmental protection performance of the decorative wood-plastic composite plates and the optimal decorative performance of the veneers can be maintained.

The invention discloses a preparation method of amylose-coated I3<->-complexed silver-coated iron composite nanoparticles, which comprises the following steps: synthesizing silver-coated iron nanoparticles, coating amylose on the nanoparticles, and complexing the I3<-> into the amylose molecular spiral structure to finally form the composite magnetic silver nanoparticles. By designing and synthesizing the silver-coated iron composite nanoparticles, the invention solves the problem of targeted entry of silver; by coating the starch on the nano silver, the invention solves the problems of toxicity and stability in the nano silver; by complexing the iodine ions with the amylose, the invention solves the problem of introduction of iodine; under the magnetocaloric effect, the invention solves the problem of release of iodine complex ions; by using the specific fusion action of the iodine complex ions on the nano silver, the invention solves the problem of release of silver ions in the nano silver; and by generating the silver iodide, the invention solves the problem of removal of in-vivo silver ions. Meanwhile, the designed system can comprehensively utilize the thermotherapeutic benefit of magnetic particles as well as the broad spectrum and efficient sterilization characteristics of the silver.

The invention relates to formaldehyde scavenger which belongs to novel aldehyde remover used in urea-formaldehyde glue; the formaldehyde scavenger essentially solves the problems that the urea-formaldehyde glue adhesive materials reduce the release of formaldehyde during the production and use processes, which belongs to the aldehyde reducing technology during the urea-formaldehyde glue use process; the formaldehyde scavenger is characterized by comprising compositive polyphosphate, monadic organic amine, binary organic amine, phenolic compounds, lignin-containing compounds, hydrazine compounds, urea and products thereof produced by the reaction with acid, sulfite and the like, being added with water according to the weight ratio of the materials. The synthesis and composite technology of the formaldehyde scavenger is a special method to prepare formaldehyde scavenger for man-made board. The formaldehyde scavenger has the advantages of easy and even mixture with glue, good aldehyde removing effectiveness without changing the plate, no impact on the strength and other physical and chemical properties of the plate when being added simultaneously with a curing agent when adjusting the glue, convenient use, storage and transportation, cheap price and the like, and is a novel aldehyde remover of environmental protection, high efficiency and excellent aldehyde removing performance.

The invention relates to the field of a drug preparation, in particular to a hydrochloric acid bupropion slow release micro pill and a method for preparing the same. The micro pill consists of a drug containing pill core and a slow release coating layer which consists of slow release materials and a pore-forming agent, wherein the weight of the slow release materials against the weight of the drug containing pill core is between 8 and 15 percent, and the weight of the pore-forming agent against the weight of the slow release materials is between 1 and 6 percent. The micro pill does not need to be combined by a plurality of micro pills with different release modes, and only adopts a single micro pill to achieve the good release performance, thereby lowering production cost and simplifying production process.

The invention discloses a method for cooperatively treating arsenic-containing waste liquid by using sulfate reducing bacteria and lead-zinc smelting slag. The method comprises the following steps: (1) stirring and mixing the lead-zinc smelting slag and the arsenic-containing waste liquid in an anaerobic environment and conducting reacting to obtain to-be-treated waste liquid; and (2) adding sulfate reducing bacteria into the to-be-treated waste liquid obtained in the step (1), adding sodium lactate, and carrying out microbiological treatment, so as to synergistically treat the arsenic-containing waste liquid by the sulfate reducing bacteria and the lead-zinc smelting slag. According to the method for cooperatively treating the arsenic-containing waste liquid through the sulfate reducing bacteria and the lead-zinc smelting slag, the sulfate reducing bacteria and the lead-zinc smelting slag cooperate with each other, the removal rate of arsenic in the arsenic-containing waste liquid is jointly increased, and the removal rate of arsenic in the arsenic-containing waste liquid reaches 99.80% or above.

The invention discloses a preparation method of coal ash capable of adsorbing formaldehyde. The coal ash is used as an adsorption material. The method comprises the steps of (1) modifying the coal ash by a surfactant, and stirring and soaking; (2) performing loading treatment on a product obtained in the step (1) by a formaldehyde catching agent, and soaking; and (3) performing normal temperature drying to remove most water, and performing freeze drying to prepare the coal ash capable of adsorbing the formaldehyde. The modified coal ash prepared by the preparation method disclosed by the invention can be used for further solving the problem of formaldehyde release from indoor air, and the health of a human body is guaranteed; meanwhile, the reacted coal ash can be used as a fertilizer, so that secondary pollution to the environment can be avoided.

The invention discloses a sliver-titanium composite film loaded wood base material for degrading formaldehyde under visible light irradiation, and a preparation method of the sliver-titanium composite film loaded wood base material, and relates to a wood base material capable of degrading formaldehyde under visible-light photocatalysis, and a preparation method of the wood base material. The sliver-titanium composite film loaded wood base material solves the problems that the conventional photocatalytic formaldehyde degradation method using single catalyst has the defects of small light-absorbing wavelength range, low catalytic efficiency and difficulty in recycle. The material is capable of degrading formaldehyde under the irradiation of visible light with wavelength of 400nm-800nm to reduce the concentration of formaldehyde to below 0.12mg/m3. Titanium dioxide loaded wood is firstly soaked in a Tollens' reagent to react; after the reaction, wood A is taken out of the Tollens' reagent, and the residual Tollens' reagent is obtained; the wood A is soaked in a glucose aqueous solution to react, and then the residual Tollens' reagent is added into the glucose aqueous solution in which the wood A is soaked to continue the reaction; and finally, performing washing and drying to obtain the sliver-titanium composite film loaded wood base material. The preparation method comprises: 1, preparing the titanium dioxide loaded wood; and 2, carrying out an impregnation reaction.

The invention discloses a locking multi-layer solid wood composite floor and a preparation method thereof. The locking multi-layer solid wood composite floor comprises a floor body (1), a tenon (2) and a mortise (3) matched with the tenon (2) in shape. The floor body (1) comprises a wearing layer (11), a wood panel (12) and a base material layer (13), wherein double-face sanding is conducted on the wood panel (12) and the base material layer (13). According to the locking multi-layer solid wood composite floor and the preparation method thereof, the problems that hazardous substance-free formaldehyde is released by an existing solid wood composite floor and glue failures and layering of all layers of veneer occur after the board is used for a period of time are solved; and the problems that the existing multi-layer solid wood composite floor has a large mat formation gap, big assembly height differences and serious buckling deformation and needs to be renovated to be used again after being used for a period of time are also solved.

The invention discloses a motor restarting controller, and belongs to the technical field of industrial control. The motor restarting controller comprises a logic relay unit, a time relay unit, a standby power source unit and an output relay. The logic relay unit controls the instant closing of an output contact of the output relay when the opening moment of a normally-open auxiliary contact of a contactor or an operation signal contact of a frequency converter is detected. If the detected instant sunken amplitude of a power source voltage reaches to the preset amplitude before the opening of the auxiliary contact of the contactor or the opening of the operation signal contact of the frequency converter, the time relay unit controls the action mode of the output contact to be instant closing and delay opening within the allowed voltage-reducing time limit by controlling the opening or closing of a standby power source switch of the output relay within the preset allowed voltage-missing time limit.

The invention provides a method for controlling phosphorus and heavy metal release in pig manure. In the method, a novel modified red mud fixative is prepared by roasting basic material waste slag red mud generated in the production process of the aluminum industry; and the red mud fixative is blended with a proper amount of the pig manure so as to effectively control the dissolution release of phosphorus and heavy metals in the pig manure and reduce the serious environmental pollution caused by the dissolution of the phosphorus and the heavy metal in the pig manure through the fixation of the fixative to the phosphorus and the heavy metals in the pig manure. The method realizes the recycling of waste resources, and has wide application prospect for area source pollution control.

The present invention discloses a preparation method for a polyurethane adhesive. The preparation method comprises the following steps: heating polyether glycol to a temperature of 100-120 DEG C; carrying out vacuum pumping for 1-2 hours to remove moisture; adding diphenylmethane 4,4'- diisocyanate, and carrying out a reaction for 1-3 hours at the temperature of 40-60 DEG C; adding oven-dried dimethylol propionic acid, and carrying out a reaction for 2-6 hours at the temperature of 30-80 DEG C to prepare a prepolymer; cooling the prepolymer to the room temperature; adding an aqueous solution of triethanolamine; continuously stirring for 5-20 minutes when the color of the solution becomes transparent from yellow, and then becomes ivory white to obtain a uniformly-dispersed white polyurethane emulsion; adding a thickening agent to the polyurethane emulsion to obtain the polyurethane adhesive. The prepared polyurethane adhesive of the present invention can solve the harms to the human body and the pollution to the environment due to formaldehyde and volatile organic toxic materials during the wood-based panel production process and the furniture using process, and has characteristics of environmental protection, energy saving and good economic benefits.

The invention discloses a modified composite adhesive. The adhesive is prepared from the following raw materials in parts by weight: 40-50 parts of modified polyurethane, 50-60 parts of a curing agent, 15-20 parts of acetone, 30-36 parts of filler, 3-5 parts of chitosan, and 1-2 parts of dioctyl phthalate. The invention also discloses a preparation method of the modified composite adhesive. The method comprises the following steps: step S1, mixing the acetone, the curing agent and the chitosan to obtain a component A; step S2, mixing the filler and the modified polyurethane to obtain a component B; step S3, mixing the component A and the component B, then adding the dioctyl phthalate, and uniformly stirring to obtain the modified composite adhesive. According to the modified composite adhesive and the preparation method thereof, any aldehyde-containing substance is not introduced in the process of preparing the modified composite adhesive; through the modification of the adhesive material polyurethane, the adhesive has excellent bonding strength; in addition, through the addition of the filler, the bonding strength of the adhesive can be improved, the viscosity of the adhesive can be reduced, and coating is easier.

The invention discloses glue for plywood with high weather resistance. The glue is prepared from, by mass, 20%-30% of weather-resistant materials, 10%-20% of mixed powder, 15%-25% of lignin mixed liquor, 0.5%-1% of protease, 2%-5% of an initiator, 1%-3% of cellulose and 30%-50% of water. The processing technology of the glue comprises the following steps: (1) adding water and the mixed powder intoa reaction kettle according to a ratio, stirring, adding the lignin mixed solution and cellulose according to a ratio, and stirring while keeping the temperature to obtain a mixed solution A, and (2)after cooling, adding a weather-proof material and protease into the mixed solution A according to a ratio, uniformly stirring, adding the initiator according to a ratio, and stirring to obtain a glue finished product. The preparation process is simple, the adopted raw materials are easy to obtain, the production cost is controllable, all the raw material components are reasonably matched, and the glue prepared through the method has the advantages of being free of formaldehyde content, high in bonding strength, good in water resistance, easy to apply and not prone to mildewing.

The invention provides a modified porous alumina formaldehyde adsorbent and a preparation method thereof. The adsorbent is prepared from raw materials in parts by weight as follows: 100 parts of activated alumina balls, 2-5 parts of compound amino acid, 0.2-0.5 parts of an alkali additive, 0.5-4 parts of pseudo-boehmite and 40-80 parts of deionized water. Compared with the prior art, porous alumina is adopted as a base material, an amino acid active substance is further adopted for modifying a carrier, and the adsorbent can be obtained by simple mixed impregnation and microwave drying; the method is simple, practicable and environmentally friendly, and the preparation cycle is short. The problem of release of smelly substances and ammonia gas of the modified materials can be solved, the modified porous alumina formaldehyde adsorbent suitable for the indoor formaldehyde pollution treatment is developed, the corresponding effective and feasible preparation method is proposed, the ever-increasing market requirement of the indoor formaldehyde pollution treatment is met, and quite good social benefit and economic benefit are obtained.

The invention relates to a laser power supply storage energy discharge system, and belongs to the technical field of a laser power supply. The discharge system comprises a power-down detection circuit, a trigger circuit and a discharge circuit, wherein the discharge circuit comprises an electronic switch tube and a depletion resistor which are connected in series, the power-down detection circuit is energized by a laser power source for detecting whether the laser power source is powered on and outputting one low-level signal when the laser power source is powered on, the control end of the electronic switch tube is arranged to at low level, the electronic switch tube is enabled to be at a closed state, the discharge circuit is disconnected, the trigger circuit is used for outputting one high-level signal when the laser power source is powered down, the control end of the electronic switch tube is arranged to be at high level, and the electronic switch tube is enabled to be at a conduction state, i.e., the discharge circuit is unlatched, such that energy in an energy storage device is discharged after the laser power source is powered down. According to the invention, the problem of the stored energy when the laser power source is powered down is solved, the laser engineering applicability and real-time performance are also quite good, and the circuit is simple and is easy to realize.