110results about How to "Shorten drain time" patented technology

PCT No. PCT / FR97 / 00224 Sec. 371 Date Aug. 21, 1998 Sec. 102(e) Date Aug. 21, 1998 PCT Filed Feb. 5, 1997 PCT Pub. No. WO97 / 30215 PCT Pub. Date Aug. 21, 1997The use of fermented sugar beet pulp for making paper or cardboard is disclosed as well as a fermented sugar beet pulp composition produced according to a method which comprises the steps of (a) storing the sugar beet pulp under conditions suitable for lactic acid fermentation, particularly until the pH is less than around 5 and advantageously higher than around 3.5, to give fermented pulp, (b) diluting the fermented pulp, particularly until its dry matter content is of around 1-10%, (c) mechanically processing the diluted fermented pulp to separate the parenchymal cells from the pulp and achieve a pulp size of less than around 1000 micrometers, and (d) optionally bleaching the fermented pulp from step (a) simultaneously with step (b), or bleaching the fermented pulp from step (c).

The present invention relates to modified cellulose nanofibers obtained by neutralizing cationic groups of cationic cellulose nanofibers with an anionic additives. Moreover, the present invention relates to a resin composition containing the aforementioned modified cellulose nanofibers and a molding resin, and to a molded body obtained by molding the resin composition. Furthermore, the present invention relates to a production method of modified cellulose nanofibers comprising neutralizing cationic groups of cationic cellulose nanofibers with an anionic additives.

The invention is a rapidly installed mine rescue and drainage system. The rapidly installed mine rescue and drainage system is a combination of a mine-use multi-level relay high-position closed submersible electric pump and flexible pipes. The rapidly installed mine rescue and drainage system can achieve the function of rapid installation of the rescue and drainage when flood accidents burst in the mine and can achieve the function of rapid installation of the rescue and drainage when flood accidents burst on some areas underground. The rapidly installed mine rescue and drainage system comprises the mine-use multi-level relay closed electric pump, a flexible pipe, a rapid connecting pipe joint and a full-automatic ground remote monitoring and control system which comprises a presser transmitter, a water level monitoring sensor, a control switch, an AV (Audio / Video) image, optical and data displaying and processing hardware and software. The rapidly installed high-position closed submersible electric pump is fixedly arranged on an automobile plate for special use and the flexible pipe is connected with the rapid connecting pipe joint. The data collection and processing and the monitoring and control system are centralized on the scene rescue command automobile and performed by computers.

The invention discloses a drain plate device and a method with water absorption expanding material under pile-loading and prepressing. The device includes multiple water absorption expanding drain plates, and the water absorption expanding drain plates in a row shape are arranged in soft soil foundation at intervals, prepressing soil is pile-loaded on the ground surface of the soft soil foundation, and the ground surface of the soft soil foundation is clamped between the two adjacent water absorption expanding drain plates. The water absorption expanding drain plates are composed of drain plates, the water absorption expanding materials and fabric layers. The water absorption expanding materials are wrapped in the fabric layers, and two sides are correspondingly clamped by the drain platesto form a sandwich structure. Holes are formed in the drain plates, the drain plates on two sides of the water absorption expanding materials are not fixed in the horizontal direction, and has the degree of freedom moving outwards in the horizontal direction when the water absorption expanding materials expand. When the soft soil foundation is treated, the pore water in soil body enters the waterabsorption materials through the drain plates, the water absorption materials expand after absorbing water, and squeeze the drain plates to both sides to produce the squeezing effect on the surrounding soil body. After the soft soil foundation drainage is completed, the water absorption materials can remain in the foundation soil.

The invention relates to an urban shock-resisting waterlogging-preventing rainfall flood management system, which comprises a plurality of blocks of concave green fields, a plurality of rainwater utilizing facilities, a plurality of concave rainwater parks, a plurality of concave playgrounds and an intelligent control system, and the urban shock-resisting waterlogging-preventing rainfall flood management system is characterized in that the concave green fields, the rainwater utilizing facilities, the concave rainwater parks and the concave playgrounds are communicated with one another though a water drain pipe network, the water drain pipe network is provided with a water drain pipe network liquid level meter, each concave rainwater park is internally provided with a park inner liquid level meter, each concave playground is provided with a playground inner liquid level meter, a water inlet of each concave rainwater park is provided with a park water inlet liquid level meter, a water inlet of each concave playground is provided with a play ground water inlet liquid level meter, the input end of the intelligent control system is connected with the output ends of the liquid level meters, and the output end of the intelligent control system is connected with control input ends of a water inlet / water discharging systems of the concave rain water parks and the concave playgrounds, thus an intelligent urban shock-resisting waterlogging-preventing rainfall flood management system is formed. The urban shock-resisting waterlogging-preventing rainfall flood management system has the beneficial effects that the shock can be resisted, the water logging is prevented, and the rain water is regulated, stored and discharged.

The invention relates to a flat steel bifurcated pipe and a manufacturing method thereof. The flat steel bifurcated pipe comprises a main pipe, a left branch cone and a right branch cone, wherein one end of the left branch cone is communicated with one end of the main pipe; one end of the right branch cone is communicated with one end of the main pipe; one side of the left branch cone leans against and is welded with one side of the right branch cone; another end of the left branch cone and another end of the right branch cone are respectively communicated with a left branch pipe and a right branch pipe; bottoms of the main pipe, the left branch cone, the right branch cone, the left branch pipe and the right branch pipe are located at the same one altitude. The flat steel bifurcated pipe has the advantages that the shape of the flat steel bifurcated pipe is different from the principle of the same one altitude of axial lines of various pipe joints of the other steel bifurcated pipes and ensures the same one altitude on the bottom of the various pipe joints; the same one altitude on the bottom of the pipe has independent goodness; water can flow freely to be discharged when high-pressure pipes are maintained without pumping the water by a water pump or arranging holes on the steel bifurcated pipe and connecting with a special drainage system; the drainage time is shortened greatly, and the effective work time for maintenance is prolonged; the flat steel bifurcated pipe has the advantages of regular shape, no deformity portions, reasonable force and no stress concentration phenomenon.

The invention relates to a liquid sampling apparatus including: a sampling pipeline, a liquid discharge pipeline and a plunger pump which is connected to the sampling pipeline and liquid discharge pipeline, so that a liquid is sucked via the sampling pipeline and is discharged via the liquid discharge pipeline. The apparatus also includes: a peristaltic pump which is arranged on the sampling pipeline for pumping the liquid into the plunger pump; a controller for control coordinated action of the peristaltic pump and the plunger pump; a filter disposed between the peristaltic pump and the plunger pump; and a second pressure sensor and a first pressure sensor that are arranged at the front and the back of the filter. The controller controls the operation of the sampling apparatus according to pressure signals. In the apparatus, the liquid is sucked in a double-power manner, so that it is guaranteed that the interior of the plunger pump is under micro-positive pressure always. The structure not only increases suction speed of the liquid and reduces suction time, but also can avoid bubbles in the plunger pump and increases sampling precision.

The invention provides a gas lift reverse circulation sand washover well washing process and equipment for a sandstone geothermal well. The process comprises the following steps: in a sand washover process, compressing gas in a gas storage tank by an air compressor to form compressed gas; feeding the compressed gas into a gas injection tube from a high-pressure pipeline through a gas feeding tubevia a cavity between an internal body and an external body; then delivering the compressed gas from a gas injection tubular column and a gas mixing tubular column to a gas mixer and mixing the compressed gas with sand washover liquid to generate a gas lift effect; and raising gas, liquid and solid three-phase liquid flow lifted by gas from a sand washover oil tube and then enabling the gas, liquidand solid three-phase liquid flow to enter the internal body of a double-walled gas injector and a water eye of a lower joint so as to reach a ground liquid storage tank via the high-pressure pipeline. The equipment comprises the double-walled gas injector, the gas injection tubular column, the gas mixing tubular column, a sand washover nib and a sand washover drill bit. By a gas lift reverse circulation sand washover technology, a circular suction ability is high, raising of well bottom or water layer settled sand is facilitated, moreover, the sand washover liquid flow can carry large dirtysand particles, repeated breakage of the dirty sand particles is reduced, and therefore, the sand washover efficiency is improved.

The invention discloses a method for realizing water-preserved mining by utilizing a curtain grouting technology. The method comprises the following steps: first determining mining area and a mining depth; determining a depth of an impermeable bedrock (4) at a lower part of a coal bed (3) to be measured; drilling deep holes, along borders of the mining area with intervals of a certain distance, from ground (1) to the impermeable bedrock (4) at the lower part of the coal bed (3) by utilizing the curtain grouting technology; then pouring slurry into pores or fissures around the holes by high pressure, wherein the slurry connects soil or rock surrounding the pores or fissures into a cylindrical impermeable water body, and if hole spacing is suitable, these cylindrical impermeable water bodies connect to form a complete water blocking curtain in order to achieve the purpose of seepage prevention; and draining groundwater in the upper part of the coal bed to be mined in the range of the curtain, and mining the coal bed to be mined, wherein if there are more than two coal beds in the scope, the coal beds can be mined one by one. The method provided by the invention can effectively prevent water inrush accident in mining, as well as greatly reduce the drainage time and cost, and achieve the target of water-preserved mining, and has obvious social and economic benefits.

The invention discloses a waterproof structure of a drainage type tunnel primary support system and a construction method thereof, and relates to the technical field of tunnel water seepage disposal. The inner wall of an outer pipe is arranged to be in contact with the outer wall of an inner pipe, and the problem that external impurities enter the outer surface of the inner pipe and block the inner wall of the outer pipe can be prevented; a water inlet hole is formed in the outer pipe, and the inner pipe can rotate in the outer pipe, so that the water inlet hole selectively communicates with a water inlet in the inner pipe; the outer pipe and the inner pipe can be used as anchor rods inserted into a rock mass, so that the bearing capacity of the rock mass is provided; and water can actively flow into the outer pipe, the wall back water pressure is effectively released, the outer pipe can be used for grouting reinforcement of tunnel surrounding rock, and the outer pipe and the inner pipe are combined with an existing waterproof layer and a drainage pipe system communicated in all directions in the existing design and correspond to each other, so that the stability of a waterproof and drainage system of a tunnel in the operation period is better ensured.

The invention discloses a reinforcing method of a vacuum preloading lead pipe pile gas injection carbonized super-soft foundation, and belongs to the technical field of super-soft foundation reinforcing treatment of geotechnical engineering. The reinforcing method comprises the steps of site treatment and exploration, first pile group construction and beating, spraying mixing equipment placement and debugging, curing agent spraying and mixing, first treatment system layout, vacuum preloading-gas injection carbonized treatment, first site treatment completing, continuous construction, final treatment and the like. The reinforcing method has the advantageous of a vacuum preloading method, a magnesium oxide carbonization curing method and a pipe pile composite foundation, the drainage efficiency and the infiltration diffusion efficiency of carbon dioxide are greatly improved through coordination work of vacuum preloading and pipe pile gas injection, the compacting displacement action of apipe pile on soft soil is fully utilized, mud soil is effectively glued through hydration products and carbonization products, thus the intensity of the soft soil composite foundation is enhanced, and the stability is improved. The reinforcing method has the characteristics that the treatment effect is good, the period is short, and low-carbon and environmentally-friendly and economic efficiencyare achieved, and resource utilization of industrial waste in soft foundation treatment is achieved.

The invention discloses a dip-coating and drying integrated machine for Dacromet treatment and relates to the technical field of Dacromet treatment equipment. The dip-coating and drying integrated machine for Dacromet treatment comprises a dip-coating mechanism, a drying mechanism and a conveyor which are successively arranged from front to back. The dip-coating and drying integrated machine for Dacromet treatment also comprises movable carrying transportation mechanisms which can be fixed above the dip-coating mechanism, the drying mechanism or the conveyor, separately. The dip-coating and drying integrated machine for Dacromet treatment disclosed by the invention can be used for coating, draining and drying workpieces, is high in integrated degree, reduces severe collision in a workpiecetransfer process and improves the coating effect of the workpieces; in the coating process, contact of a dip-coating liquid and the workpieces is increased and accumulation of the workpieces is avoided; in the drying process, a hot air flow and the workpieces are in contact favorably and accumulation of the workpieces is avoided, so that the surfaces of the workpieces can be heated uniformly, thedrying effect can be optimized and the drying time can be shortened.

The invention discloses a squeezing device in a cloth grass squeezing machine. The squeezing device comprises a squeezing cylinder which is arranged on a frame; a plurality of first drainage holes which are communicated with each other are formed on a base plate of the squeezing cylinder; a first water storage tank which is used for storing the water discharged from the first drainage holes is arranged below the base plate of the squeezing cylinder; a squeezing head which is connected with a driving device is arranged above the squeezing cylinder; the squeezing head is driven by the driving device; the side wall of the squeezing cylinder is provided with a plurality of second drainage holes which are communicated with each other; the outer side wall of the squeezing cylinder is provided with a transition box which is used for temporarily storing the water discharged from the second drainage holes; the transition box is connected with a second water storage tank through a pipe. According to the squeezing device in the cloth grass squeezing machine, the drainage speed is high and accordingly the drainage time can be effectively reduced, the working efficiency of squeezing and dewatering is improved, and the squeezing and dewatering effect is good.

The invention discloses a hydrostatic test compensator. The hydrostatic test compensator is a cylinder which can bear the external pressure not less than the pressure size of the hydrostatic test for a pipe without damage; the cylinder is a solid cylinder or is in a hollow shell structure with the two ends sealed by adopting sealing heads. The invention also discloses a method of carrying out pipe hydrostatic tests, and the method comprises following steps: propelling the hydrostatic test compensator into a pipe to be tested, then fixing the pipe to be tested, which has been stuffed with the hydrostatic test compensator, and the hydrostatic test compensator to a hydrostatic test machine, and then carrying out hydrostatic tests according to normal methods. When the hydrostatic-test compensator is used for the hydrostatic test of the pipe, due to the capability of bearing the external pressure, the hydrostatic-test compensator is not deformed in the process of the hydrostatic test of the pipe, so that the water feeding time and the water discharging time in the hydrostatic test can be greatly reduced, and therefore the whole time for the hydrostatic test of the pipe is reduced and the efficiency of the hydrostatic test is increased.

The invention provides an automatic closed type water-saving washing machine, relates to the field of washing machines and overcomes the defects that a sealing component of a water-saving washing machine can be easily worn down, water leakage is caused and the whole washing machine is disabled in the prior art. The automatic closed type water-saving washing machine comprises an outer barrel and an inner barrel, wherein the inner barrel is concentrically arranged inside the outer barrel. The washing machine is characterized in that a plurality of spin-drying holes are formed in the upper part of the inner barrel close to the edge, and at least one water drainage hole movably sealed by virtue of a plunger device is formed in the lower part of the inner barrel; the plunger device comprises a plunger guide rod arranged in the water drainage hole, a plunger guide groove is formed in the inner barrel, the plunger guide groove is connected with the upper part of the water drainage hole, and the plunger guide rod is connected with a sealing component and is mounted in the plunger guide slot by virtue of an elastic component; and the water drainage hole is a single reversed funnel type hole or a hole formed in a circular groove of a reversed funnel type cross section. The automatic closed type water-saving washing machine is applicable to multiple types of washing machines and extensive in use; the service life of the washing machine is prolonged; and water is saved, and time is shortened.

The present invention relates to a novel pulp composition for paper or solid board production comprising an oxidized recovered paper pulp and / or an oxidized mechanical pulp into which from 1 to 500 mmol of carboxyl groups per kg and from 1 to 200 mmol of aldehyde groups per kg have been introduced by oxidation. The invention also relates to paper and solid board based on such a pulp composition and also to a process for producing such paper or solid board. The invention also relates to the use of oxidized recovered paper pulp and / or oxidized mechanical pulp for improving the retention and drainage properties of a pulp suitable for producing paper or solid board. The invention further relates to the use of oxidized recovered paper pulp and / or oxidized mechanical pulp for improving, i.e., increasing, the dry strength of paper and solid board.

The invention relates to a siphon sluicing method, which is mainly applied in the mining process of tailing filling. Before a stope is filled, a drain-pipe is arranged in a pedestrian sluicing well, one end of the pipe is placed in the stope with a water mark and a weight, while the other end is placed in an ore discharging roadway and connected with a water supply pipe through a three-way pipe. The water supply pipe is provided with a first valve. The drain-pipe is provided with a second valve and a third valve which are closed at the time. After sand and water are stopped in filling the stope, and after depositing and clarifying 1 hour the water to be filled, the first valve is closed, and the third valve is opened; when water in the water supply pipe enters the stope along the drain-pipe, the third valve is closed, opening the second valve is opened, water in the stope is discharged to the ore discharging roadway along the drain-pipe; after discharging the filling water in the stope completely, the second valve is closed to wait for the next filling, and he previous step is circulated. The siphon sluicing method ensures that the sluicing time is short and the work efficiency is high during tailing filling in the stope.

The invention relates to an asphalt mixture extraction instrument and an asphalt content measurement method. The asphalt mixture extraction instrument comprises a solvent box, a condensation box and a centrifugal extractor, wherein the centrifugal extractor comprises a control box, a conical screening base, a centrifugal cylinder, a spraying cover, a sleeve screen and an extraction filter cylinder. The asphalt mixture extraction instrument further comprises a draining support used for enabling the sleeve screen to be obliquely arranged right above the conical screening base, the draining support and the centrifugal cylinder are oppositely arranged on the two sides of the conical screening base, the draining support comprises a supporting column, a supporting plate and a fixing hook, the supporting column is arranged on the top of the control box, the supporting plate is hinged to the top of the supporting column and used for supporting the side wall of the sleeve screen, the side, which is close to the sleeve screen, of the supporting plate is matched with the outer side of the sleeve screen in radian, and the fixing hook is arranged on the side, which is close to the sleeve screen, of the bottom of the supporting plate and used for placing the sleeve screen. After the sample solution is extracted by the asphalt mixture extraction instrument, the sleeve screen is obliquely arranged right above the conical screening base through the draining support, and the residual mixed solution at the bottom of the sleeve screen is drained, so that the asphalt content measurement precision is improved.

The invention provides a water tank, and relates to the technical field of kitchenware. The water tank comprises a tank body without an overfall gap in the side wall and a water discharging device; the water discharging device comprises a water discharging pipe and a water discharging pump, and the water discharging pipe communicates with the water discharging pump; a water discharging opening isformed in the bottom of the tank body; and the water inlet end of the water discharging device communicates with the water discharging opening. According to the water tank, through the arrangement ofthe water discharging pump, the flow rate of a water body in the water discharging device can be increased, the discharging rate of the water body is correspondingly increased, time consumption is reduced, and the use convenience degree of the water tank is improved; in addition, the flow rate of the water body in the water discharging device is increased, and the blocking probability of sundriesin the water body in the water discharging device is reduced; and when the water body flows through the water discharging device, the water discharging pipe and the water discharging pump can be scoured, adherency of the sundries or grease to the water discharging device is further reduced, and the occurrence of the blocking condition of the water discharging device is reduced.

The invention relates to the technical field of plant cultivation equipment, and discloses a modular cultivation shelf. The shelf comprises a plurality of cultivation frames connected side by side, each cultivation frame comprises a plurality of hydroponic shelves, cultivation grooves are formed in the hydroponic shelves, the cultivation grooves are formed in the hydroponic shelves in a sliding manner, each hydroponic shelf comprises a water inlet channel and a water outlet channel, a water inlet is formed in the side face of each water inlet channel, a water inlet groove and a water outlet groove are formed in each cultivation groove, and each cultivation groove has the water inlet state that the water inlet groove is hydraulically connected with the corresponding water inlet and the water outlet state that the water outlet groove is hydraulically connected with the corresponding water inlet. The cultivation grooves are switched between the water inlet state and the water outlet statethrough sliding, lighting lamps are embedded in the bottom faces of the upper hydroponic shelf of every two adjacent upper and lower hydroponic shelves, a water inlet shading part and a water outletshading part are arranged on each hydroponic shelf, rapid drainage can be achieved through switching of the states of the cultivation grooves, and rapid drainage of the cultivation shelves is improved.

A filler component for making an investment casting slurry, which comprises: a major portion of finely divided silica, aluminum silicate, alumina, zircon, or mixtures thereof; and a minor portion of one or more finely divided materials having particles in which, on average, at least one dimension of the particle is at least about four times greater than at least one other dimension of the particle. Typically, the particles are of generally plate-like or needle-like shape.

The invention discloses a high-concentration bag filling process method and a device. The device comprises a slurry blending pool, wherein a storage pool and a water supply pool are arranged beside the slurry blending pool; high-dryness slurry is stored inside the storage pool; a conveyer is arranged between the storage pool and the slurry blending pool; the conveyer is fed with slurry through an excavator; the water supply pool is connected with the slurry blending pool through a submersible pump and a pipeline; trusses are arranged at the upper part of the slurry blending pool; stirrers and densimeters are fixedly arranged on the trusses; a sludge pump is arranged in a bottom corner position of the slurry blending pool; the sludge pump communicates a multi-way tube outside the slurry blending pool through a conveying tube. The high-concentration bag filling process method of the device comprises a step of preparing continuous stable high-concentration sludge in a mechanical stirring mode. By adopting the high-concentration bag filling process method and the device, the purpose of preparing sludge and filling the sludge into bags simultaneously is achieved, the requirement of continuous production can be met, the density of conveyed sludge is greater than 1.7t / m<3>, and the problem that in the prior art the fine granular material bag filling efficiency is low can be greatly solved. Meanwhile, due to electric control, the automatic level of a system can be improved, the artificial operation intensity can be effectively alleviated, and the method and the device have great application and popularization values.

The invention relates to the technical field of rattan dyeing, in particular to rattan dyeing equipment for rattan plaited handicraft processing. The rattan dyeing equipment comprises a base and a dyeing pool, the dyeing pool is fixed to the upper end of the base, and a pair of supporting frames is further fixed to the upper end face of the base and symmetrically arranged on the left side and the right side of the dyeing pool; a top frame is jointly fixed to the top ends of the pair of supporting frames, a pair of pneumatic cylinders is installed on the top frame, a rectangular frame is jointly fixed to the telescopic ends of the pair of pneumatic cylinders, a pair of round rods is fixed between a front rod and a rear rod of the rectangular frame, sliding sleeves are slidably installed on the outer walls of the pair of round rods, and the outer wall of each round rod is sleeved with a pair of first reset springs. The pair of first reset springs are arranged on the front side and the rear side of the sliding sleeve respectively, a dyeing disc is jointly welded to the bottom ends of the pair of sliding sleeves, and a cam abuts against the rear side wall of the dyeing disc. The dyeing disc swings back and forth to drive the rattans to swing back and forth, so that the rattans are dyed more uniformly, and the dyeing effect is better.

The invention relates to a method for mechanically breaking an impermeable sticky board layer in deep soil. According to the method, a ditcher is used for fast breaking the sticky board layer with the distribution depth of 80-120 cm and the thickness of 10-30 cm, and in order to ensure sticky board layer breaking and increase the drainage and salt-leaching speed of farmland soil, the ditching depth, width and distance are determined according to the distribution depth of the sticky board layer; in order to shorten the drainage time for a farmland as much as possible, according to the characteristic that the sticky board layer is discontinuously distributed in the farmland, the portion, distributed on the side away from an alkali discharge lateral canal in a concentrated mode, of the sticky board layer is ditched in the direction perpendicular to a field alkali discharge field canal, so that farmland drained water is promoted to enter the lateral canal through the field canal; the portion, distributed close to the field alkali discharge lateral canal in a concentrated mode, of the sticky board layer is ditched in the direction perpendicular to the alkali discharge lateral canal, so that the farmland drained water is directly drained to the alkali discharge lateral canal nearby. After ditching is carried out, aeolian sand or smashed straws are added into ditches according to the thickness of the sticky board layer, then soil turned out during ditching is backfilled, and salt-leaching with a great deal of water is carried out.

A disk roll base material includes 20 to 38 wt % of alumina silicate wool that include 40 to 60 wt % of alumina and 40 to 60 wt % of silica, and have a content of shots having a dimension of 45 μm or more of 5 wt % or less, 10 to 30 wt % of kibushi clay, 2 to 20 wt % of bentonite, and 20 to 40 wt % of mica.

The invention discloses a supercharging test apparatus and a use method thereof, and relates to the technical field of hydraulic pressure test apparatuses. The apparatus comprises a jack floating seal assembly, a bell mouth seal assembly and an inner container, the jack floating seal assembly is arranged on the push head of a hydraulic pressure testing machine, the bell mouth seal assembly is arranged on a fixed baffle wall arranged at one end of the hydraulic pressure testing machine, and the inner container is arranged in the chamber of a tube to be tested. The apparatus greatly shortens the water feeding and draining time in the hydraulic pressure test process in order to shorten the integral time of the hydraulic pressure test and improve the efficiency of the hydraulic pressure test, and also can improve the grade of the hydraulic pressure test.