39results about How to "Big reaction force" patented technology

The invention relates to a low water-air ratio and middle water-air ratio carbon monoxide (CO) conversion process. The process comprises the following steps of: (1) feeding raw gas into a pre-converter, wherein the temperature of the raw gas entering the inlet of the pre-converter is between 210 and 250 DEG C and the mole ratio of water to dried gas is 0.21 to 0.23; (2) feeding pre-converted mixed gas into a first converter to perform depth conversion, wherein the temperature of the pre-converted mixed gas entering the inlet of the first converter is between 260 and 290 DEG C and the mole ratio of water to dried gas is 0.8 to 1.0; (3) feeding the mixed gas passing through the first converter into a second converter, wherein the temperature of the mixed gas entering the inlet of the secondconverter is between 220 and 250 DEG C and the mole ratio of water to dried gas is 0.5 to 0.7; (4) feeding the mixed gas passing through the second converter into a third converter, wherein the temperature of the secondary conversion mixed gas entering the inlet of the third converter is between 205and 235 DEG C; and performing conversion on the mixed gas by using the third converter to obtain the mixed gas with the CO content lower than 0.40 percent. The process is unique and has the characteristics of high CO conversion rate, low energy consumption in the conversion process and the like.

In the die cushion device, a shock absorber device relieves shock between a cushion pad and a support section. The shock absorber device includes a damping section and an elastic section. The damping section generates reaction force in accordance with the relative speed of the cushion pad with respect to the support section. The elastic section generates reaction force in accordance with the relative displacement of the cushion pad with respect to the support section. The controller section controls a servomotor so that a speed difference between the speed of the slide member and the speed of the support section is set to be a predetermined target speed difference value that changes over time.

The invention belongs to the technical field of chemical synthesis, and specifically relates to a technology for producing diisobutylene from a C4 mixture. The technology comprises: pumping a C4 mixture and tert-butyl alcohol by a metering pump to a static mixer for mixing, performing pre-heating, allowing the obtained product to enter a fixed bed reactor, performing a dimerization reaction of isobutene in the function of a resin catalyst in a gas-liquid mixed phase state, allowing a diisobutylene product generated from a reactor outlet to enter a rectifying tower for separation, and obtaining the C4 mixture from the tower top and the diisobutylene product from the column bottom. The technology is low in pressure, high in reaction selectivity, simple in reactor structure, saved in energy consumption of the reactor and rectifying tower, and reduced in investment.

The invention relates to a process and a device for continuous ultrasound desulfurization of scrapped lead paste. The process for continuous ultrasound desulfurization of scrapped lead paste comprises the following steps: (1) sodium carbonate or ammonium carbonate is selected as desulfurizing agent, and the desulfurizing agent and the scrapped lead paste are taken according to the mole ratio (1.2 to 2.2:1) of the Na iron or the (NH4)2 iron in the desulfurizing agent to the S iron in the scrapped lead paste; (2) the scrapped lead paste, the desulfurizing agent and water are prepared into flowing pulp with solid-liquid (S/L) weight ratio being equal to 3/5 to 4/5 in a pulping tank; (3) under the condition of ultrasonic wave, the flowing pulp enters a first reaction chamber for heating and stirring from the lower end part in the first reaction chamber, is discharged out from an overflow opening at the upper end of the first reaction chamber, then enters a second reaction chamber for heating and stirring from the lower end part of the second reaction chamber and finally, and is discharged out from a discharging opening at the upper end of an nth (ranging from 3 to 12) reaction chamber after sequent flow for reaction and discharge. The process has the advantages of low cost, small occupied area, continuous production and high efficiency.

The invention discloses a sequencing batch type combined biofilm integrated apparatus for treating high concentration organic wastewater, wherein a tank body is provided with two submerged biological film reaction zones, the center of the tank body is an anaerobic submerged biological film reaction zone, the periphery of the tank body is an aerobic submerged biological film reaction zone, the anaerobic submerged biological film reaction zone is closed, the two reaction zones are provided with half-soft fiber fillings internally and a a underwater propeller on the bottom, the packing of the anaerobic submerged biological film reaction zone is provided with a underwater aeration apparatus on the bottom.

The invention discloses a circulation-free methanation system which comprises a gas distribution methanation stage and a supplementation methanation stage, wherein in the gas distribution methanation stage, 1 to 3 stages of serially connected high-temperature reactors are adopted; in the supplementation methanation stage, 2 to 3 stages of serially connected low and medium-temperature reactors are adopted; the final-stage reactor in the gas distribution methanation stage is connected in series with the head-stage reactor in the supplementation methanation stage; technical gas discharged by the former stage of the reactor is used as part of or all the synthesized gas of the next stage of the reactor; technical gas discharged by the final-stage reactor is subjected to cooling separation to obtain a final methane product. The technical system is simple, and the reaction is steady, safe and reliable; the running cost and the manufacturing cost are low.

The invention discloses a making method of butanone oxime, which comprises the following steps: adopting two-segment reflow oximation technique flow path with oximation reactor, oximation separator and oximation circulating pump; making the quantity of butanone surplus in the 1# oximation reactor; reacting sulfuric hydroxylamine completely; making the sulfuric hydroxylamine excess in the 2# oximation reactor; reacting the butanone completely; setting the molar rate of butanone and sulfuric hydroxylamine at 1: 1 in the whole flow path. The invention improves utilizing rate of raw material and simplifies the equipment, which shortens the staying time of material with good condition of mass transfer.

The invention discloses a device and a method for synergistic inhibition of nitrifying bacteria activity to achieve partial nitrification employing free ammonia and free nitrous acid, and belongs to the field of biological nitrification of continuous flow process wastewater. The device mainly comprises a raw water tank, an intake pump, an intake pipe, an aerobic nitrification pond, a pH determinator, a pH sensor, a blast blower, an aerator tube, an air diffuser, a sludge reflux pipe, a sludge reflux pump, an aerobic nitrification pond drain pipe, a settling pond, a settling pond drain pipe, and a residue sludge discharge pipe. On the basis of the synergistic inhibition mechanism of the free ammonia (FA) and free nitrous acid (FNA) on activity of nitrite-oxidizing bacteria, rapid start and stable maintaining of partial nitrification at normal temperature are achieved by controlling the FA concentration inside the aerobic nitrification pond at 5.9-63.1mg/L, the problem of a bottleneck of partial nitrification of the continuous process is solved, and the device has the characteristics of being high in nitrification efficiency, rapid in reaction rate, and the like, the operation cost is saved, and excellent water is obtained.

The invention provides a system and a method for conducting deep denitrification processing on medium-term landfill leachate. A dissolved oxygen (DO) sensor and an oxidation reduction potential (ORP) sensor are respectively connected with a DO tester and an ORP tester, the DO tester, the ORP tester and an aeration mechanism are all connected with a transducer, the ORP tester, the DO tester and the transducer are all connected with a process controller through a computer, and the process controller is respectively connected with a stirring mechanism, a water inlet mechanism, a water outlet mechanism and the aeration mechanism. The steps of applying the processing method of the system are sequentially injecting waste water in a sequencing batch reactor (SBR) and starting the system, enabling the aeration mechanism and the stirring mechanism to conduct nitration, starting the stirring mechanism to conduct denitrification, sediment, dewatering and leaving unused, and enabling the computerto judge the set value of cycle times. The system and the method can solve processing problems of the medium-term landfill leachate, improve use ratio of an organic carbon source in raw water in a processing process, and achieve deep denitrification with low processing cost.

The invention provides a device and a method for realizing synchronous short-process nitrification and denitrification dephosphorization to treat urban sewage on the basis of hydroxylamine, and belongs to the field of urban domestic sewage biological treatment. The domestic sewage enters a synchronous short-process nitrification and denitrification dephosphorization reactor through a water inlet pump. In the synchronous short-process nitrification and denitrification dephosphorization reactor, during anaerobic stirring, phosphorus-accumulating bacteria sufficiently utilize carbon source release phosphorus in raw water; during the aerobiotic treatment, the stable short-process nitrification is realized through addition of hydroxylamine; under the anoxic condition, denitrifying phosphorus-accumulating bacteria use nitrite nitrogen as electron acceptors to absorb phosphorus in the water; nitrite nitrogen is reduced into nitrogen gas. Compared with a conventional denitrification dephosphorization process, the process has the advantages that the carbon source is saved; the aeration quantity is reduced.

The invention relates to a liquid-phase hydrogenation reactor and a hydrogenation process, the liquid-phase hydrogenation reactor comprises an inner cylinder and a reactor shell, the inner cylinder is conical, the top and the bottom of the inner cylinder are open, the edge of the bottom of the inner cylinder is hermetically connected with the inner wall of the reactor, and a plurality of small holes are formed in the wall of the inner cylinder; a ceramic membrane tube bundle is vertically arranged in the axial direction of the reactor and is communicated with external hydrogen; the inner cylinder is filled with a hydrogenation catalyst I, the annular cavity is filled with a hydrogenation catalyst II, and the activity of the hydrogenation catalyst I is higher than that of the hydrogenation catalyst II; the reactor raw material inlet communicates with the top of the inner cylinder; the materials flow in the inner cylinder from top to bottom; the materials flow in the annular cavity from top to bottom. According to the method, the contact time of the material and the catalyst in the whole hydrogenation reaction process can be effectively controlled, so that the temperature rise of a catalyst bed layer is more uniform, the problems of severe heat release and reaction conversion rate inhibition in the reaction process are solved, and higher hydrogenation reaction rate and conversion rate in the whole liquid-phase hydrogenation reaction process are achieved.

The invention discloses a combined type radial dust removal and denitration reactor. The combined type radial dust removal and denitration reactor comprises a reactor body, and is characterized in that a plurality groups of chambers for dust removal and denitration of flue gas are mounted in the reactor body; and each chamber is provided with a gas inlet and a gas outlet, the interior of each chamber is divided into an upper chamber and a lower chamber by a division plate and a horizontal pattern plate, the gas inlet is communicated with the lower chamber, the gas outlet is communicated with the upper chamber, a plurality of dust collecting cloth bags are arranged in the lower chamber, bag openings of the plurality of dust collecting cloth bags are buckled on the pattern plate, a soot blowing pipeline is mounted above the pattern plate, a radial denitration bed layer corresponding to the dust collecting cloth bags isalso arranged in the chamber, and the flue gas penetrates through the dust collecting cloth bags and the radial denitration bed layer sequentially in a radial flowing mode. The combined type radial dust removal and denitration reactor provided by the invention is simple and novel in structure, integrates a denitration device and a dust removal device, does not need to add a flue gas uniform distribution device, and reduces investment and equipment floor area while ensuring the denitration efficiency.

The invention discloses a liquid phase hydrogenation reactor and a hydrogenation method thereof. The liquid phase hydrogenation reactor comprises an inner cylinder and a reactor shell, the inner cylinder is conical, an annular cavity is formed between the inner cylinder and the reactor shell, and the cross section area of the annular cavity is gradually increased from bottom to top; the top of the inner cylinder penetrates through a upper seal head and is communicated with a material inlet at top of the reactor; a ceramic membrane nano/micron assembly is horizontally arranged in the middle of the reactor and is communicated with external hydrogen; the inner cylinder is filled with a hydrogenation catalyst I, the annular cavity is filled with a hydrogenation catalyst II, and the activity of the hydrogenation catalyst I is lower than that of the hydrogenation catalyst II; the material flows in the inner barrel from top to bottom; and the material flows in the annular cavity from bottom to top. According to the method, the initial activity of the liquid phase hydrogenation reaction can be effectively controlled through the internal structure of the reactor, the material flow mode and catalyst grading, and the later conversion rate of the reaction is increased.