Process for preparing p-nitrophenyl acetonitrile by directional nitrification

Planetary small -size agitating unit

The utility model discloses a planetary small -size agitating unit, install this internal agitator including device body and setting, a transmission shaft is installed at this internal top of device, a big circular cone internal gear is connected to the bottom of transmission shaft, the upper end of agitator is equipped with a little conical gear, and just little conical gear meshes on big circular cone internal gear, still be equipped with a crank that is used for adjusting agitator inclination on the agitator, the adjustable bottom of fixing at the transmission shaft of crank. The utility model discloses a planetary small -size agitating unit solves the unable problem of solving of traditional agitated vessel, makes the thick liquids of different components, powder intensive mixing even, not layering, bubble -free, high efficiency, 3 minutes single treatment time. Satisfy stirring technology to high -quality requirement.

Method for preparing long-chain alkylguanidine-modified attapulgite

The invention discloses a method for preparing long-chain alkylguanidine-modified attapulgite, comprising the following steps: (1) attapulgite purification: firstly, immersing greenore attapulgite in water for 24 hours; then, preparing slurry from the attapulgite and the water which are at a ratio of 1:20, and stirring the slurry at a low speed with a stirrer for 24 hours; and finally, naturally standing the slurry, and filtering, drying and grinding upper suspension so as to prepare purified attapulgite; (2) attapulgite modification: firstly, preparing ethanol solution by using long-chain alkylguanidine; then, adding the purified attapulgite into the solution for the purpose of ultrasonic treatment, wherein the modification of 100g of purified attapulgite needs 40-50 mmol of long-chain alkylguanidine, the ultrasonic power of 90W, and the ultrasonic time of 40-70 min; and finally, filtering, washing, drying, grinding and screening so as to obtain the modified attapulgite. The modified attapulgite ...

Conveyer belt transmission

The utility model discloses a conveyer belt transmission, including conveyer belt and transport cylinder, the conveyer belt cover is established on carrying the cylinder, still is equipped with a motor, reduction gear and shaft coupling, connect through transmission belt drive between the drive wheel of motor and the drive wheel of reduction gear, the transmission shaft transmission of carrying the cylinder to pass through shaft coupling and reduction gear is connected. The utility model discloses a conveyer belt transmission utilizes reduction gear and shaft coupling as indirect drive mechanism, can improve the motor to carrying the driven stability of cylinder, the utility model discloses simple structure, reasonable in design installs convenient to use, can improve the life of conveyer belt, and application scope is wide.

Novel water oil separating device

The utility model discloses a novel water oil separating device, including device body and separating tank, the device body is installed in the top of separating tank, and the device body passes through pipeline connection isolation groove, the upper end of separating tank one side is equipped with the water inlet, and the centre of opposite side is equipped with the delivery port, this internal oil -well pump of installing of device, the lower extreme of device body is equipped with the oil drain port, and the surface of device body is equipped with control panel. The utility model discloses a novel water oil separating device can separate the profit fast effectively, and to separate the profit efficient, separate effectual, the utility model discloses simple structure, reasonable in design, installation convenient to use, application scope is wide.

Urea prilling tower dust recovery device

The utility model discloses an urea prilling tower dust recovery device, including setting up the collecting vat in urea prilling tower below, the below of collecting vat is equipped with the discharging pipe, in the lower extreme of discharging pipe stretches into a circulating slot, be equipped with an urine return line on the circulating slot, install the circulating pump on the urine return line, still be equipped with a collection box, the collection box passes through pipeline and circulating slot intercommunication, it hydrolysises the waste liquid and advances the pipe still to be equipped with one in the circulating slot. The utility model discloses an urea prilling tower dust recovery device simple structure, reasonable in design, urea dust recovery efficiency is good, and economic benefits and social are obvious, and the construction installation is simple, and maintenance cost is very little, and the working costs only contains circulating water pump and fluid infusion water ...

Novel hierarchical unloading of rice device

The utility model discloses a novel hierarchical unloading of rice device, the device comprises a device body, the device body is under the narrow width's round platform form, the side top of device body is equipped with the feeder hopper, and separator is installed to the opposite side top, and the bottom of device body is fixed on a support, and driving pulley is installed at the edge of device body bottom, the top of device body is equipped with image detection means, still is equipped with a programmable controller and computer processing ware, programmable controller connection control separator and driving pulley, image detection means and programmable controller all are connected through data line and computer processing ware. The utility model discloses a novel hierarchical unloading of rice device can grade to the rice fast effectively, and grading effect is good, and the classification efficiency is high, and degree of automation is high, does not need manual operation, the utility ...

Method for preparing active carbon from stalk of wheat

Printing and dyeing wastewater ozone treatment device

The utility model discloses a printing and dyeing wastewater ozone treatment device, including oxygen cylinder, ozone generator, reactor and tail gas absorbing device, the oxygen cylinder passes through the trachea and connects ozone generator, the bottom of reactor is equipped with the ozone releaser, ozone generator is connected to the ozone releaser, ozone generator's inside is equipped with filter layer, catalysis layer and the beds of precipitation, tail gas absorbing device is connected to the upper end of reactor. The utility model discloses a printing and dyeing wastewater ozone treatment device simple structure, reasonable in design, installation convenient to use, ozone have extremely strong oxidability and disinfect the performance, are one of oxidants that the nature is the strongest, use the disinfection of disinfecting, deodorization, decoloration etc. Always. Ozone has fine decoloration effect to printing and dyeing wastewater, can effectively improve biodegradability moreover ...

Kitchen oil -water separator

The utility model discloses a kitchen oil -water separator, the power distribution box comprises a box body, one side of box is equipped with the water inlet, and water oil separating chamber and the no oily water chamber of keeping in is separated into with the box inner chamber to the inside cavity baffle that is equipped with of box, the water oil separating intracavity is equipped with the oil trap, be equipped with baffle and vent valve in the oil trap, the water inlet sets up in the top in water oil separating chamber, and the box that is located water inlet department installs a filter, one side that the chamber was kept in to no oily water is equipped with no oily water discharge port. The utility model discloses a kitchen oil -water separator need not consumption nature vulnerable part, need not electric power and power, does not need the working costs, leans on sewage to flow in the back completely and purifies by oneself, and the management is convenient. The material is hard ...

Process for preparing p-nitrophenyl acetonitrile by directional nitrification

A process for preparing p-nitrophenyl acebonitrile by directional nitrification features that the reaction of phenyl acebonitrile with concentrated HNO3 and polyphosphoric acid as directional para-nitrifying agent to obtain said products. Its advantages are no generation of severly toxic HCN to protect environment, high output rate and transform rate, high utilization rate of phenyl acebonitrile.

Synthetic method of biodegradable temperature sensing gel

The invention discloses a synthesizing method for a bio-degradable thermo-sensitive gel. Firstly, a bio-degradable cross linker is prepared; a midbody is formed by the polymerization of dimer lactide polyethyleneglycol of an lactic acid; a carbon-carbon double bond is inducted into the two ends of the midbody to form the bio-degradable cross linker; then, the bio-degradable thermo-sensitive gel is prepared and dissolved into secondary distilled water by N-isopropyl acrylamide, an initiation agent and the bio-degradable cross linker; a promoter is added to polymerize to obtain the bio-degradable thermo-sensitive gel. The synthesizing method of the invention adopts the bio-degradable cross linker to replace a normally used cross linker to synthesize PNIPAM aquagel. The self structure of the poly(N-isopropyl acrylamide) aquagel synthesized by the method can generate decomposing in a certain time as the degradation of the cross linker; the decomposed products such as polylactic acid and polyethyleneglycol ...

Synthetic method of biodegradable temperature sensing gel

The invention discloses a synthesizing method for a bio-degradable thermo-sensitive gel. Firstly, a bio-degradable cross linker is prepared; a midbody is formed by the polymerization of dimer lactide polyethyleneglycol of an lactic acid; a carbon-carbon double bond is inducted into the two ends of the midbody to form the bio-degradable cross linker; then, the bio-degradable thermo-sensitive gel is prepared and dissolved into secondary distilled water by N-isopropyl acrylamide, an initiation agent and the bio-degradable cross linker; a promoter is added to polymerize to obtain the bio-degradable thermo-sensitive gel. The synthesizing method of the invention adopts the bio-degradable cross linker to replace a normally used cross linker to synthesize PNIPAM aquagel. The self structure of thepoly(N-isopropyl acrylamide) aquagel synthesized by the method can generate decomposing in a certain time as the degradation of the cross linker; the decomposed products such as polylactic acid and polyethyleneglycol ...

Method for improving p-nitrotoluene yield by using ultrasonic technology

The invention discloses a method for applying ultrasonic wave technology to improve the yield of paranitrotoluene. The method comprises the following steps: firstly, adding polyphosphoric acid into 65 mass percent concentrated nitric acid or fuming nitric acid according to the mol ratio of 1:2.4-3.4 at a room temperature while stirring, and preparing mixed acid; secondly, dripping the mixed acid into toluene according to the mol ratio of 1:1.2-1.5 at a temperature of between 55 and 60 DEG C under the ultrasonic frequency of 45 KHZ, and performing heat-insulating reaction for 25 to 45 minutes; and thirdly, separating out an acid layer and an organic layer after the reaction is over, using alkali to wash the organic layer to be neutral, and obtaining the paranitrotoluene. The method adopts the ultrasonic wave technology to shorten the reaction time and improve the yield of the paranitrotoluene.

Many liquid mixing agitating unit

The utility model discloses a many liquid mixing agitating unit, including mixing tank, install an agitator in the mixing tank, a driving motor is connected to the agitator bottom, mixing tank's top is equipped with the import of a plurality of mixed liquid, and mixing tank's bottom is equipped with a mixed liquid outlet, mixing tank's side -mounting has a mixed flow device. The utility model discloses a many liquid mixing agitating unit can carry out the ration with multiple liquid to be mixed, mixes effectually, and automation mechanized operation has effectively fast effectively reduced operating personnel's intensity of labour, the utility model discloses simple structure, reasonable in design, convenience safe in utilization, the mixing efficiency is high.

Vertical removal of external -burning bed regenerating unit

The utility model discloses a vertical removal of external -burning bed regenerating unit, the device comprises a device body, device body upper end be the feed inlet, and device body lower extreme is the discharge gate, installs the body both sides and is equipped with the gas vent, and feed inlet department installs feed arrangement, and discharge gate department installs discharging device, the side of device body is equipped with a plurality of burner ports, burner port interval arrangement even from top to bottom. The utility model discloses a vertical removal of external -burning bed regenerating unit simple structure, reasonable in design, installation convenient to use, application scope is wide, can distribute the output material fast effectively according to the requirement of removing the bed, and machining efficiency is high.

System bag fills tealeaves packing plant

The utility model discloses a system bag fills tealeaves packing plant, include a rolling material section of thick bamboo, system bag mould utensil, indulge a ware, violently seal ware and cutter, system bag mould utensil fixed mounting is on equipment, and one side of system bag mould utensil is located to a rolling material section of thick bamboo, and is equipped with a plurality of guide rolls between a rolling material section of thick bamboo and the system bag mould utensil, indulge to seal a ware, violently seal the ware and the cutter is installed in the below of system bag mould utensil in proper order, the top of system bag mould utensil is equipped with the funnel that fills that fills tealeaves. The utility model discloses a system bag fills tealeaves packing plant can replace manual operation, and fill the back to tealeaves effectively fast and pack, the utility model discloses simple structure, reasonable in design, installation convenient to use, application scope is wide ...

Method for preparing long-chain alkylguanidine-modified attapulgite

The invention discloses a method for preparing long-chain alkylguanidine-modified attapulgite, comprising the following steps: (1) attapulgite purification: firstly, immersing greenore attapulgite in water for 24 hours; then, preparing slurry from the attapulgite and the water which are at a ratio of 1:20, and stirring the slurry at a low speed with a stirrer for 24 hours; and finally, naturally standing the slurry, and filtering, drying and grinding upper suspension so as to prepare purified attapulgite; (2) attapulgite modification: firstly, preparing ethanol solution by using long-chain alkylguanidine; then, adding the purified attapulgite into the solution for the purpose of ultrasonic treatment, wherein the modification of 100g of purified attapulgite needs 40-50 mmol of long-chain alkylguanidine, the ultrasonic power of 90W, and the ultrasonic time of 40-70 min; and finally, filtering, washing, drying, grinding and screening so as to obtain the modified attapulgite. The modifiedattapulgite ...

Manual medicine agitating unit that adds

The utility model discloses a manual medicine agitating unit that adds, the device comprises a device body, the upper strata of device body is the agitator, and the lower floor is the explosive box, agitator and explosive box pass through the pipe connection, be equipped with agitating unit on the agitator, the side of agitator top is equipped with a water inlet, and the bottom of agitator is equipped with out the medicine mouth, and the dosing pump is installed to one side of explosive box, be equipped with a control box on the device body, control box connection control dosing pump and agitating unit. The utility model discloses a manual medicine agitating unit that adds compares current medicine system, its simple structure, and convenient operation, degree of automation is high, accurately calculates the measurement that adds the medicine, and stirring effect is good, and its is small moreover, and convenient transport can be applicable to most small -size raw materials processing factory ...

Microwave synthesis method for 1-benzoyl-3-substituted phenylthiourea

The invention discloses a microwave synthesis method for 1-benzoyl-3-substituted phenylthiourea, which comprises the following two steps: firstly, synthesis of isorhodanic ester, namely adding benzoyl chloride and ammonium thiocyanate into a reactor according to the mol ratio of 1:1.5, taking acetone as a solvent, radiating the mixture for 5 minutes in 40 to 60 W microwaves, and filtering undissolved substances; and secondly, synthesis of acyl thiourea, namely adding substituted aniline into the filtrate according to the mol ratio of the benzoyl chloride to the substituted aniline of 1:1, radiating the mixture for 8 to 12 minutes in 50 to 60 W microwaves, steaming the solvent by water bath to obtain solid, and recrystallizing to obtain a crystal. The synthesis method adopts the two-step reaction under microwave radiation, and has the advantages of high reaction speed, short reaction time, and the product yield over 75 percent.

Novel computer cooling device

The utility model discloses a novel computer cooling device, including the computer casing, the fixed dress water tank that is equipped with in one side of computer casing, be equipped with a heat radiating water pipe on the dress water tank, heat radiating water pipe's one end is the water inlet, and the other end is the delivery port, install the suction pump on the water inlet, outside water supply installation is connected to the water inlet, the heat radiating water pipe winding sets up in computer casing surface. The utility model discloses a computer cooling device can reduce the temperature on computer casing surface fast effectively to reduce the interior CPU's of computer casing problem, guarantee the normal operating of computer, the utility model discloses simple structure, reasonable in design, installation convenient to use, extensive applicability.

Method for improving p-nitrotoluene yield by using ultrasonic technology

The invention discloses a method for applying ultrasonic wave technology to improve the yield of paranitrotoluene. The method comprises the following steps: firstly, adding polyphosphoric acid into 65 mass percent concentrated nitric acid or fuming nitric acid according to the mol ratio of 1:2.4-3.4 at a room temperature while stirring, and preparing mixed acid; secondly, dripping the mixed acid into toluene according to the mol ratio of 1:1.2-1.5 at a temperature of between 55 and 60 DEG C under the ultrasonic frequency of 45 KHZ, and performing heat-insulating reaction for 25 to 45 minutes; and thirdly, separating out an acid layer and an organic layer after the reaction is over, using alkali to wash the organic layer to be neutral, and obtaining the paranitrotoluene. The method adopts the ultrasonic wave technology to shorten the reaction time and improve the yield of the paranitrotoluene.