85results about How to "Shorten break time" patented technology

The invention is water-soluble self-emulsifying coupled modified silicone oil composite and an application in pickling, tanning and dyeing of leather, which is characterized in that the water-soluble self-emulsifying coupled silicone oil composite after modification is adopted to carry out oil pretanning, tanning, softening, dyeing and setting treatment on pickled skins of animals in a revolving drum. The crust leather to be coated has the advantages of plumpness, softness, no loose grain, good elasticity, good foaming sense and velvet silicon sense after treatment. By adopting the composite and the application method thereof to carry out oil pretanning, tanning, softening, dyeing and setting treatment, the quality of finished leather can be improved and stabilized, the production cost isreduced, the workshop sections such as wet blue pickling and degreasing, chrome retanning, alkali extraction overnight, neutralization and the like in the traditional leather making technique can be completely canceled, and the usage amounts of dye, fatliquor, stuffing and the like can be reduced, water washing is avoided by twice, thus saving more than 40% of water, shortening more than one third of the production period, reducing more than half of subsequent milling time, greatly stabilizing and simplifying the technique procedures, being easy to control the leather quality, and obviously reducing pollutant discharge in the traditional leather-making workshop sections of tanning, pretanning and dyeing water yard and lowering energy consumption such as water, electricity, manpower and the like.

The present invention discloses a honey decrystallization method and device and belongs to the technical field of bee product processing. The method includes the following steps: honey package barrel is washed clean and barrel lid is opened, the barrel is placed upside down in a crystal breaking chamber, and the air jet flow temperature is adjusted to 50-70 DEG C and the air flow speed is at 5-20 m/s to conduct air jet flow impact to break the crystal for 0.5-1.5 hours. After breaking the crystals, the honey flows into a honey melting chamber and the honey temperature is adjusted to a temperature of 40-60 DEG C to conduct crystal melting for 1-2 hours. The device includes: an air circulation channel (3), a heater (4), a fan (5), an air distribution pipe (6), a trailer (9), two sliding rails (10), two nozzles (11), a water bath heater (12), a steam heat exchanger (13), a stirring device (15), a heat exchange coil (16), a temperature sensor (17), and a temperature and air velocity sensor (19). The device is used to process the honey, which can effectively protect the biological activity of the honey, and the the device can save water and energy, is environmentally protective, and can achieve automatic control.

The invention discloses an extraction method of microalga grease. The method comprises the following steps of: (1) stirring and mixing collected microalgae with a C1-C6 short-chain alcohol solvent and an extractant; (2) adding the mixed liquid into a supergravity crushing device to perform microalgae cell crushing and grease extraction; and (3) after the microalgae cell crushing and the grease extraction are finished, cooling the discharge liquid of the supergravity crushing device to room temperature, permitting the liquid to stand, respectively extracting an organic solvent layer (an oil phase) and a water layer (a water phase), and recovering the organic solvent in the oil phase by a distillation way, and meanwhile, obtaining the microalga grease. The method has the advantages of simple operation processes, short extraction time, the high microalga grease yield, suitability for directly extracting grease from alga ooze, and the like over the prior art.

The invention discloses a high-performance foam light soil foaming agent and a preparation method thereof.The high-performance foam light soil foaming agent is prepared from, by mass, 20%-50% of a surfactant, 5%-15% of a foam stabilizer, 15%-30% of a water reducing agent, 5%-10% of a coagulant, 1%-3% of a nano oxide and 10%-50% of water. The prepared foaming agent has good foaming capacity and foaming stability, and foam holes formed in the foamed light soil are uniform in size and uniform in distribution. And the influence of moisture on the foamed light soil can be reduced, and the service life of the foamed light soil in a rainy humid and hot environment is prolonged.

The invention relates to a blast furnace cooling wall water pipe repairing method, and belongs to the technical field of cooling wall repairing. The method comprises the following steps that a, pipe penetrating water returning bags are additionally arranged; b, a damaged water pipe is confirmed; c, a hard pipe is arranged; d, the damaged water pipe is subjected to pipe penetrating; e, a miniaturecooler is arranged; f, a softened water pump is arranged; and g, step-by-step water transferring is carried out. According to the method, the resistance loss of softened water flowing in the water pipe is reduced, the necessary water flow is ensured, and the cooling strength of pipe penetrating is improved; the blast furnace blowing-down time is shortened; the damaged cooling water pipe can be quickly confirmed, and the accuracy is 100%; the resistance loss of a hose is favorably reduced, and the subsequent trepanning operation of the hard pipe is facilitated; by arranging the miniature cooler, the cooling function of the damaged water pipe which cannot be subjected to pipe penetrating is repaired; and after blast furnace reblowing, the softened water pump is additionally started, and a step-by-step water quantity adjusting scheme is adopted, so that the cooling strength of the cooling water pipe is ensured.

The invention relates to a method for controlling gas backflow in melting reduction smelting. Each DRI downcomer connected with a shaft furnace is mounted with a cold gas and nitrogen adding pipe which is provided with a control valve. The DRI downcomer is mounted with a temperature detection galvanic couple to detect gas temperature in the downcomer. Through inputting cold gas or nitrogen to the DRI downcomer, the temperature of the backflow gas in the DRI downcomer is controlled at 650-750 DEG C. The high temperature backflow gas which does harm to shaft furnace running is transformed into normally used reduction gas, which participates in reduction inside the shaft furnace to achieve control of the gas backflow. Conventional practice of suppressing backflow gas is changed by the present invention, adding powder to shaft furnace center is cancelled, and the backflow gas is dredged and used. Cold gas/nitrogen is fed into the DRI downcomer to reduce the temperature of backflow gas, improve dust distribution and enrichment condition in the shaft furnace, reduce shaft furnace differential pressure, improve gas utilization, prolong shaft furnace emptying cycle, reduce downcomer blockage frequency and damping down time, and improve operation rate and yield.

The invention relates to grouting piles, in particular to pile heads of the grouting piles. A grouting pile head breaking and removing method includes the steps that when a grouting pile steel reinforcement cage is machined, each steel reinforcement of the top of the cage is sleeved with a plastic pipe, the length of each plastic pipe is designed from the designed pile top position to the top of the steel reinforcement cage, and the diameter of each plastic pipe is larger than that of the corresponding steel reinforcement; the pipe bottoms of the plastic pipes are tightened with adhesive tapeand iron wires, isolation powder fills in the plastic pipes, after the plastic pipes are full of the isolation powder, the pipe tops of the plastic pipes are sealed, and sealed pipe openings of the plastic pipes are tightened with iron wires; after construction of the grouting piles is finished, during breaking and removing of the pile heads of the concrete grouting piles, four separation holes are drilled at equal intervals around the piles at the designed pile top elevation, and the diameters of the holes are slightly smaller than the diameter of an air pick drill bit; symmetrical impact isperformed in the four separation holes through an air pick, and the concrete pile heads are directly cut off in the positions; and holes are symmetrically drilled in the positions one third away fromthe upper ends of the pile heads, two steel reinforcement hanging rings are mounted, the cut-off pile heads are hung away with machinery, and breaking and removing work of the pile heads is finished.By means of the grouting pile head breaking and removing method, the difficulty and intensity of the pile head breaking and removing are reduced.

The invention discloses a method and system for quickly recovering a service system for multiple times based on a system backup point, and the method comprises the following steps: S1, carrying out hot backup of the production data of a source service server, generating a consistent snapshot point on a data storage server, and quickly building and pulling a temporary virtual machine based on the consistent snapshot point, to verify the backup data; S2, when the source service server fails, selecting a snapshot backup point with successful recent validity verification on the data storage server, quickly creating and pulling up a virtual machine on the data storage server based on the snapshot point, taking over the source service of the source service server, and writing data generated after pulling up the virtual machine into the data storage server; and S3, after the fault of the source service server is solved, recovering the data of the consistent snapshot backup point when the datastorage server takes over to the source service server, and synchronizing new data generated when the virtual machine takes over after the recovery is finished.

The invention relates to an improved structure of a miniature circuit breaker operating mechanism. The characteristics lie in that the improved structure comprises an upper four-bar linkage (1) and alower four-bar linkage (2), wherein the upper four-bar linkage (1) and the lower four-bar linkage (2) are connected in series. The improved structure shortens the unlocking time of the mechanism whena circuit breaker breaks high current. Meanwhile, the improved structure eliminates drop of a moving contact reliably and effectively, is increased in spacing, shortened in arc striking path, enhancedin arc extinguishing capacity, accelerated in tripping speed and shortened in breaking time, and improves the breaking capacity of the circuit breaker.

The invention discloses a method for blocking gas spurt leakage of a gas enclosing cover on a furnace foundation of a large-sized blast furnace. The method is characterized by including a blocking treatment step of the gas enclosing cover and a grouting treatment step of the gas enclosing cover to a wind gap section, namely (1) the gas enclosing cover is subjected to blocking treatment and (2) a grouting mode is adopted for treatment from the gas enclosing cover to the wind gap section. The method for blocking gas spurt leakage of the gas enclosing cover on the furnace foundation of the large-sized blast furnace has the advantages that a plastic sealing material is pressed into the gap between a furnace shell and a refractory material through a grouting hole formed in a furnace body by the adoption of a blast furnace body grouting blocking technology, the gap between the furnace shell and a ramming material inside the furnace can be filled completely, and the purpose of stopping gas from inter-leaking into the gas enclosing cover is achieved; and one part is constructed in blast furnace production, and then the other part is constructed after the blast furnace is subjected to blowing out and damping down, so that damping-down time is shortened, the sealing effect on the blast furnace body is obvious, blowing-out and damping-down time of the blast furnace is short, and the overhauling engineering cost is reduced.

The invention discloses a preparation method of a foam stabilizer for a concrete foaming agent and belongs to the field of chemical building materials. The preparation method utilizes potato starch and guar gum to prepare the foam stabilizer. In the starch gelatinization process, the starch granules expand to the limit, the interaction between the starch chain and the moisture is promoted at a high temperature, and through use of guar gum, the starch granule expansion is inhibited, the dissolved starch chains are reduced so that the water motility is further improved and the floc formation isreduced. The potato starch and the guar gum have strong viscosity, through use of the potato starch and the guar gum, the foam liquid film viscosity is improved, the liquid on two surfaces of the liquid film are not easily discharged, and a liquid film thinning rate is reduced so that the time of foam rupture is prolonged and the foam stability is improved. The existing foaming agent in the marketutilizes cellulose and starch and easily forms floc in mixing with the solution so that the foam stability is reduced.

The invention provides a safe and durable towing hook for a blast furnace. The safe and durable towing hook comprises a main body, two hook heads, a front baffle plate, a sliding weight and a handle, wherein the main body is rod-shaped; the hook heads are arranged on one side of the back end of the main body; the front baffle plate is arranged on the main body and is close to the front end of the main body; the sliding weight comprises a sliding weight body and an operating handle which is arranged on the sliding weight body, and the sliding weight main body can be sleeved on the main body in a sliding mode and is positioned between the front baffle plate and the hook heads; the handle is arranged at the front end of the main body; and the two hook heads are respectively arranged on two opposite sides of the back end of the main body. The safe and durable towing hook has a long service life, the hook heads are bilateral hook heads, and during operations of replacing medium-size and small-size sleeves, particularly during the operations of replacing the medium-size sleeves, the hook heads are uniformly heated and stressed, so that the service life of the towing hook is long.

Provided are an apparatus and a method of constructing a guide line for a road, and the apparatus includes a painting apparatus part that stores a lane paint, is driven by receiving power, and supplies the lane paint, a nozzle part that is installed in the painting apparatus part and sprays the lane paint supplied from the painting apparatus part on a road to form a guide line for a road including at least one of a directional mark and a lane, and an adjustment part that is installed in the painting apparatus part and adjusts at least one of a location and an interval of the lane paint sprayed from the nozzle part.

The invention discloses a wind port small sleeve cooling water pipe hard pipe transformed metal hose connector. A middle sleeve, a straight blowing pipe, a transformed connection module and a flange are included. The transformed connection module comprises a small sleeve, a cooling water pipe hard pipe, a metal hose and a quick coupling. The metal hose can be adopted to replace a traditional cooling water hard pipe, the length of the metal hose can be freely adjusted, operation is convenient, deformation can be effectively absorbed, the phenomenon of pipe root water leakage is avoided, and theapplication effect is very good; the outer portion of the metal hose is wrapped by high-temperature asbestos, high-temperature damage is prevented, and the service life is prolonged; and the damping-down time is shortened, and potential safety hazards are eliminated. The problems that in the prior art, due to the furnace interior pressure, deformation or displacement is generated due to temperature changes, consequently, the cooling water hard pipe directly makes contact with the middle sleeve or the straight blowing pipe for extrusion, the hard pipe is bent and deforms after being stressed,the seal face of the pipe root and the small sleeve is damaged, a large amount of water leaks, when the condition is serious, damping-down needs to be conducted for replacement, and adverse influencesare brought to blast furnace production are solved.

The invention provides a removing construction method for a shield machine to reach a tunnel door. The method comprises the following steps that S1, when the shield machine reaches a certain distancefrom the tunnel door, tunnelling is stopped, and a plurality of exploration holes are drilled at determined positions of the tunnel door; S2, inspection tubes with valves are inserted into the exploration holes and fixed, and the valves are opened to check water flow in the tunnel door; S3, a working platform is set up, piles in the tunnel door are cut in the horizontal direction at the tops of the piles until all the piles are cut, and the cutting depth of each pile is greater than half of the pile diameter; S4, the piles in the tunnel door are completely cut in the same cutting direction asstep S3 at the roots of the piles; S5, the shield machine tunnels forwards until the piles in the tunnel door are pushed out of the tunnel door, and concrete at the tops of pile holes are removed; S6,the piles are fixed to prevent the piles from moving, remaining steel bars at the tops of the piles are cut until complete cutting off, and the piles are transferred out of the tunnel door until allthe piles are transferred; and S7, after remaining slag soil in the tunnel door is removed, the shield machine reaches the tunnel door to carry out complete removing.

The invention discloses a low-voltage circuit breaker having quick-acting tripping function, wherein an open-end flange is arranged on at least one side surface of the contact device, a corresponding force bearing member is arranged on the bottom of the rotation shaft of the chassis, the force bearing member receives the overpressure wind current escaped from the open-end flange of the contact apparatus, which is then magnified at the actuation member position through the rotation shaft transmission, then striking the shackle quickly, producing a tripping operation. The invention can substantially improve the tripping capability for the breaker.

The invention relates to a rapid mounting and dismounting mechanism used for a distribution chute replacing device. A fixed support of the distribution chute replacing device is blocked and hung on an access door by arranging a blocking and hanging structure, then the fixed support is locked on the access door by virtue of a locking structure, and the fixed support can be rapidly unlocked, so that rapid mounting and dismounting of the distribution chute replacing device are realized. The invention also relates to a distribution chute replacing system. The distribution chute replacing system comprises the distribution chute replacing device and the rapid mounting and dismounting mechanism, wherein the distribution chute replacing device is used for clamping a distribution chute by virtue of a clamping mechanism and a driving mechanism, and rapid dismounting and mounting of the distribution chute can be realized. By combining the distribution chute replacing device with the rapid mounting and dismounting mechanism, time for replacing the distribution chute can be obviously shortened, so that damping-down time of a blast furnace is shortened, and production efficiency is effectively improved.

The invention provides an integral taphole clay jacket pouring installation method and a blast furnace taphole structure, and belongs to the technical field of blast furnaces. The integral taphole clay jacket pouring installation method comprises the steps that a clay jacket mold is manufactured; clay jacket pouring forming is carried out by means of the clay jacket mold; a clay jacket is taken out of the clay jacket mold and dried; clay jacket old material is cleared to form a clay jacket frame; the periphery of the clay jacket frame is coated with an adhesive; and the dried clay jacket is putted into the clay jacket frame to be bonded with the adhesive. According to the method, the integral clay jacket is subjected to offline pouring, and then the clay jacket is bonded in the clay jacketframe through the adhesive so that the operation of quickly replacing the clay jacket can be realized, the blowing-down time of a blast furnace is shortened, the blowing-down rate of the blast furnace is greatly reduced, the productivity of the blast furnace is improved, and the production cost is reduced.

The invention relates to a deodorization blasting bead, a deodorization cat litter and a manufacturing method thereof; the deodorization blasting bead comprises a rubber skin and a wrapping liquid, and the compressive strength of the deodorization blasting bead is 0.4-1 Pa; the rubber skin comprises konjac glucomannan or guar gum or agar or carrageenan or xanthan gum or the like, and the deodorizing blast bead is applied to deodorizing animal sand. After encountering urine, the blasting bead is broken, the liquid in the bag is released for deodorization, and the effect is good. By controllingthe pressure resistance of the blasting bead, the blasting bead is broken when encountering urine, the urine is dissolved and absorbed within 15-20 s, then the deodorization effect is achieved, and meanwhile breakage cannot be caused in the transportation process, so that the product quality is not affected.