30results about How to "Reduce residual water" patented technology

The invention relates to steel slag pervious concrete which contains the following materials in percentage by weight: 14-18% of ordinary Portland cement, 65-75% of blended aggregate, 0.8-1.4% of waterreducing agent, 0.5-1% of metakaolin, 2-3% of modified sizing material, 0.2-0.4% of calcium carbonate powder and the balance of water, wherein the mixed aggregate is a combination of steel slag and macadam; and the modified sizing material is a combination of modified polyacrylate and butadiene styrene rubber. According to the scheme, the concrete material is modified, and therefore, the blockage-proof performance of the concrete after being used for a long time is improved, the rate for rainwater to permeate concrete is increased, the rainwater residual amount in the concrete is effectivelyreduced, the rainwater collection rate is increased, and the practicability of an impounding pavement structure is improved.

When a fuel-cell electric vehicle is running at idle, and a predetermined period of time has elapsed since the vehicle comes into the idle state, forthcoming stopping of an operation of the vehicle is predicted, and the operation mode of a fuel cell is shifted to a residual water reduction mode in which residual water remaining inside the fuel cell is reduced. In the residual water reduction mode, for example, the amount of humidification for air to be supplied to the fuel cell is reduced, so that the air with reduced humidity passes through the fuel cell, to thereby increase the amount of residual water removed by the air. Accordingly, the residual water inside the fuel cell can be reduced before the actual stopping of the operation of the vehicle.

The invention discloses a floor-wiping and shoe-wiping dual-purpose machine, namely an electric floor wiping machine which can serve as a shoe wiping machine at the same time and has functions of sweeping, wiping and sucking. A storage battery supply is adopted, and cotton yarn brush rollers are used for wiping the floor, so that the machine integrates the functions of sweeping, wiping and sucking and achieves dry and wet double purposes. When the machine is used for wiping the floor, the brush rolls rotate back and forth in a rolling mode, swing left and right in a reciprocating mode and act in a mode that the height floats with topography; and wet tissues are used for wiping the floor indirectly, so that the machine is simple to operate and convenient for maintenance. When the machine is used for wiping shoes, the effect of induced air dust removal is promoted, so as to bring about benefits for air cleaning. The machine has the characteristics of reducing labor intensity, guaranteeing cleaning quality, improving working efficiency and reducing water and electricity consumption.

The invention provides a swell-shrink type drainage device and a sludge positive and negative pressure drainage method, and belongs to the field of foundation processing. The swell-shrink type drainage device comprises a drainage core body and a piece of water-permeable filter cloth wrapped on the drainage core body. The drainage core body comprises a drainage pipe body and at least one radiation drainage part arranged on the outer wall of the drainage pipe body in a protruding manner. At least one drainage channel penetrating the two ends of the drainage pipe body is arranged in the drainage pipe body. The swell-shrink type drainage device can shrink and swell during deflation processing and inflation processing, the consolidated sludge is made to crack, and the drainage capacity and the drainage efficiency of the sludge are improved. The invention further provides the sludge positive and negative pressure drainage method. According to the method, the consolidated sludge attached to the surface of the swell-shrink type drainage device is made to crack by alternately conducting deflation processing and inflation processing, the gas permeability and the water permeability of a consolidated sludge layer are increased, and the drainage efficiency is improved.

The invention discloses a water saving water tank and a Dish washer, relates to the cleaning sanitary equipment technical field, and solves the problems that an existing Dish washer water tank is low in water outlet efficiency and large in water consumption; the water saving water tank comprises a water tank cavity, and a motor water outlet and a discharge pump water outlet connected with the water tank cavity; the motor water outlet is arranged on the edge of the water tank cavity, and extends in the tangent direction of the water tank cavity; in addition, the dish washer having the water saving water tank is provided; the motor water outlet of the water saving water tank is arranged on the edge of the water tank cavity, and extends in the tangent direction of the water tank cavity, so water current can flow in the tangent direction on the bottom of the water tank instead of flowing in the middle, thus complying with fluidic motion rules, improving water outlet efficiency, and reducing noises.

The invention discloses a water heater and a control method thereof. The water heater comprises a water tank, a water inlet pipe and a water outlet pipe, wherein the water inlet pipe and the water outlet pipe are arranged on the water tank. The water heater further comprises a main control board, a flow detection device arranged on the water outlet pipe and a negative pressure generator arranged on the water tank. The flow detection device and the negative pressure generator are electrically connected with the main control board. The main control board is used for controlling the negative pressure generator to be started when the flow detection device detects that no water is discharged out of the water outlet pipe. By means of the water heater and the control method thereof, the amount of water remaining in the pipes is reduced, and hot water resources are saved.

The invention provides an underneath type water dispenser for assembling a shrink packaging bucket. The shrink packaging bucket is provided with a bottleneck and a bucket body, wherein the bucket bodyis provided with a bottom, and a shrink guide unit is formed on the bucket body. The underneath type water dispenser comprises a body, wherein the body is provided with a water outlet part and a water absorption part; the water outlet part communicates with the water absorption part; the water absorption part is provided with a water absorption hose and a water absorption hard tube; one end of the water absorption hose communicates with a pump and the water outlet while the other end of the water absorption hose communicates with the water absorption hard tube; the water absorption hard tubeis provided with an opening for enabling the water absorption hard tube to extend into the bucket body; an accommodating groove is close to the ground, so that the shrink packaging bucket does not need to be lifted when the shrink packaging bucket is installed, only the water absorption hard tube of the body needs to extend into the shrink packaging bucket, and a problem of difficulty in installing the barreled water above the body is solved.

The invention relates to a method for making residual water level in a container reach the lowest point and a vertical submersible pump. The vertical submersible pump comprises a pump body (1), a water cavity chamber (2) and a water inlet filter plate (3); in particular, the surrounding of the bottom of a water cavity chamber peripheral wall (22) is provided approximately and evenly with n first lug bosses (23) so as to form n filtering water inlets (24) between the water cavity chamber peripheral wall (22) and the water inlet filter plate (3); and a distance H213 between a water cavity chamber inlet (21) and the water inlet filter plate (3), an inlet cross section area of the n filtering water inlets (24) and sigmaS24 and a maximum height H24 of the veridical direction of the filtering water inlets (24) satisfy the relations that H213 is more than or equal to S21 / L21, sigmaS24 is more than or equal to S21 and H24 is less than H213 at the same time. The method and the vertical submersible pump design rationally a geometric construction of the water cavity chamber (2), thereby making the shallowest pumping depth of the vertical submersible pump reach at the lowest point under the premise of not influencing flow rate.

The invention provides a preparation process of cefuroxime sodium for injection. The preparation process comprises the following steps: dissolving cefuroxime sodium in a phosphate buffer solution, conducting decolorizing with activated carbon, washing a filter cake with water to remove impurities in the cefuroxime sodium and prevent the cefuroxime sodium from being degraded in a decolorizing process, then adding seed crystals, resin and acetone into the cefuroxime sodium solution for crystal growing, and increasing the proportion of the acetone by utilizing the water absorption performance of the resin to absorb water in the solution in a crystallization process so as to improve the crystallization effect of the cefuroxime sodium, reduce residual water in the crystal form and improving the stability of the cefuroxime sodium for injection. According to the invention, pressurizing treatment is carried out once at set intervals, so when crystallization reaches a bottleneck, the water absorption of the resin and the solubility of the cefuroxime sodium can be changed, and the separation of cefuroxime sodium crystals is promoted.

There is a possibility that, due to contact by a cleaning tip for sucking up a cleaning liquid for the next analysis when the inside of a repeatedly used reaction container is cleaned, the inner wall of the reaction container was damaged and thereby an analysis result was affected. The invention provides a device and a cleaning mechanism for a reaction container in the device that are characterized by being provided with: a reaction disk for holding a reaction container; a sample dispensing mechanism for dispensing a sample to the reaction container; a reagent dispensing mechanism for dispensing a reagent to the reaction container; an optical system comprising a light source for applying light to a mixture of the sample and the reagent dispensed to the reaction container, and a detector for detecting the light applied from the light source; and a cleaning mechanism for cleaning the reaction container, wherein the cleaning mechanism is provided with a cleaning liquid supply nozzle for supplying a cleaning liquid to the reaction container after an analysis, a cleaning liquid suction nozzle for suctioning the supplied cleaning liquid, and a cleaning tip provided on the lower end of the cleaning liquid suction nozzle, and the side surface of the cleaning tip is formed such that the width of the cleaning tip becomes smaller downward, in the state where the cleaning tip is inserted into the reaction container, in at least a surface opposing the light source and a surface opposing the detector, and in a range that overlaps with a photometric range in which light applied to the reaction container from the light source passes through the reaction container toward the detector or in a range that is larger than the photometric range.

The invention relates to the technical field of the washing device and in particular to a rotary-type washing device for processing dandelion. The rotary-type washing device for processing the dandelion comprises a washing box. The top end and the bottom end of the inner cavity of the washing box are symmetrically provided with two bearings. The inner rings of two bearings are fixedly connected with a screw. The screw is uniformly provided with two fixing blocks. The screw positioned at the upper end of the fixing blocks is fixedly connected with a support plate. The middle part of the upper end of the support plate is fixedly connected with a lower pressing plate. The lower pressing plate is ring-shaped. The lower pressing plate is uniformly provided with multiple pressing grooves for placing the dandelion. The screw positioned above the lower pressing plate is in the thread connection with a sleeve. The lower end of the sleeve is provided with an upper pressing plate matched with the lower pressing plate. The side wall of the washing box positioned above the support plate is uniformly provided with multiple sprayers. The sprayers pass through the side wall of the washing box and are connected with an external water pipe. The rotary-type washing device for processing the dandelion has the characteristics of small water consumption, less residual water after washing the dandelion, and good washing effect.

The invention discloses a water saving water tank and a Dish washer, relates to the cleaning sanitary equipment technical field, and solves the problems that an existing Dish washer water tank is low in water outlet efficiency and large in water consumption; the water saving water tank comprises a water tank cavity, and a motor water outlet and a discharge pump water outlet connected with the water tank cavity; the motor water outlet is arranged on the edge of the water tank cavity, and extends in the tangent direction of the water tank cavity; in addition, the dish washer having the water saving water tank is provided; the motor water outlet of the water saving water tank is arranged on the edge of the water tank cavity, and extends in the tangent direction of the water tank cavity, so water current can flow in the tangent direction on the bottom of the water tank instead of flowing in the middle, thus complying with fluidic motion rules, improving water outlet efficiency, and reducing noises.

The invention discloses a floor-wiping and shoe-wiping dual-purpose machine, namely an electric floor wiping machine which can serve as a shoe wiping machine at the same time and has functions of sweeping, wiping and sucking. A storage battery supply is adopted, and cotton yarn brush rollers are used for wiping the floor, so that the machine integrates the functions of sweeping, wiping and sucking and achieves dry and wet double purposes. When the machine is used for wiping the floor, the brush rolls rotate back and forth in a rolling mode, swing left and right in a reciprocating mode and act in a mode that the height floats with topography; and wet tissues are used for wiping the floor indirectly, so that the machine is simple to operate and convenient for maintenance. When the machine is used for wiping shoes, the effect of induced air dust removal is promoted, so as to bring about benefits for air cleaning. The machine has the characteristics of reducing labor intensity, guaranteeing cleaning quality, improving working efficiency and reducing water and electricity consumption.

An expansion-contraction drainage device and a positive and negative pressure drainage method for sludge belong to the field of foundation treatment. The expansion-contractable drainage device includes a drainage core body and a shrinkable and expandable water-permeable filter cloth wrapped on the drainage core body. The pipe body is provided with at least one drainage channel running through its two ends. The expansion-contraction drainage device can shrink and expand during pumping and inflation treatment, so that the consolidated silt is cracked, and the drainage capacity and efficiency of the drainage device are improved. The present invention also provides a positive and negative pressure drainage method for silt, which utilizes alternate exhaust gas treatment to crack the consolidated silt attached to the surface of the expansion-contraction drainage device, thereby increasing the air permeability of the consolidated silt layer and Water permeability, improve drainage efficiency.

The invention provides a preparation process of cefuroxime sodium for injection. The cefuroxime sodium is dissolved in a phosphate buffer solution, activated carbon is used for decolorization, and the filter cake is washed with water to remove impurities in the cefuroxime sodium and prevent cefuroxime During the decolorization process, the sodium fluorescein degrades, and then the crystal seed, resin and acetone are added to the cefuroxime sodium solution for crystal growth, and the water absorption property of the resin is used to absorb the water in the solution during the crystallization process, increasing the proportion of acetone, and then Improve the crystallization effect of cefuroxime sodium, reduce the residual water in the crystal form, improve the stability of cefuroxime sodium for injection, and carry out pressure treatment at regular intervals, which can change the water absorption and absorption of the resin when the crystallization reaches the bottleneck. The solubility of cefuroxime sodium promotes the precipitation of cefuroxime sodium crystals.

When cleaning the reused reaction container, the inner wall of the reaction container may be damaged due to contact with the cleaning head that sucks up all the cleaning solution for subsequent analysis, which may affect the analysis result. The invention provides a device and a reaction container cleaning device of the device, the device comprising: a reaction plate for holding the reaction container; a sample dispensing mechanism for dispensing the sample into the reaction container; dispensing the reagent into the A reagent dispensing mechanism for a reaction container; an optical system including a light source for irradiating light onto a mixed solution of a sample and a reagent dispensed into the reaction container and a detector for detecting light irradiated from the light source; and cleaning the A cleaning mechanism for a reaction vessel, the cleaning mechanism comprising: a cleaning solution supply nozzle for supplying a cleaning solution to the analyzed reaction vessel; a cleaning solution suction nozzle for sucking the supplied cleaning solution; A cleaning head at the lower end of the nozzle, the side surface of the cleaning head is formed so that at least the surface opposite to the light source and the surface opposite to the detector are formed when the cleaning head is inserted into the reaction container. , a range overlapping with the photometric range, or a range larger than the photometric range, the width becomes smaller as it goes downward, and the photometric range is that the light irradiated from the light source to the reaction container is directed toward the detector through the range of the reaction vessel.

The invention provides a bottom-mounted water dispenser for assembling a shrink-wrapped water bucket. The shrink-wrapped water bucket has a bottle mouth and a bucket body. The bucket body has a bottom, and a shrinkage guide unit is formed on the bucket body. The bottom-mounted water dispenser includes: The main body has a water outlet part and a water suction part. The water outlet part is connected to the water suction part, and the water suction part has a water suction hose and a water suction hard pipe. The hard pipe has an opening, and the water-absorbing hard pipe is used to extend into the bucket body. Therefore, the present invention mainly arranges the accommodating tank close to the ground, so it is not necessary to raise the shrink-wrapped bucket when installing the shrink-wrapped bucket. It is only necessary to extend the water-absorbing hard tube of the main body into the shrink-wrapped bucket, thereby solving the problem that it is difficult to install the bottled water above the main body.

The invention discloses a waterway system and a multifunctional water dispenser with the same. The waterway system comprises a water tank, a water pump, an instant heating assembly, a hot water pipeline and a water outlet assembly, the water pump is used for conveying water in the water tank to the instant heating assembly, the hot water pipeline is used for conveying water in the instant heating assembly to the water outlet assembly, and a water temperature sensor is arranged in the instant heating assembly. The water outlet assembly and the instant heating assembly are in a normally-communicated state through the hot water pipeline, and therefore water flowing out of the instant heating assembly can flow to the water outlet assembly without being blocked. According to the waterway system, the instant heating assembly and the water outlet assembly are in a normally-communicated state through the hot water pipeline, so that the length of the hot water pipeline is shortened, the residual water amount in the hot water pipeline is reduced, the temperature drop of a first cup of water when the multifunctional water dispenser prepares hot water is reduced, and the user requirements are met; and user experience is improved.

The invention discloses a water heater and a control method thereof. The water heater includes a water tank and a water inlet pipeline and a water outlet pipeline arranged on the water tank. The flow detection device and the negative pressure generator installed on the water tank are electrically connected to the main control board respectively; wherein, the main control board is used to The control negative pressure generator is turned on. The invention reduces the amount of residual water in pipelines and saves hot water resources.

The invention discloses a 3-methyl-3-butene-1-ol dehydration method and a device thereof, and the dehydration method utilizes pressure swing distillation and inorganic salt adsorption modes to efficiently remove residual water and prepare a high-quality product with extremely low water content; the variable-pressure rectification refers to controlling the pressure in a rectifying tower to be -0.08MPa to 0.09 MPa during rectification; the inorganic salt adsorption means that anhydrous sodium acetate adsorbs water. According to the method, the moisture content of the product is efficiently reduced, the purity of the downstream polyether product and the efficiency of the polycarboxylic acid product can be improved, the temperature of the rectifying tower kettle is low (90-100 DEG C), the energy-saving benefit is obvious, the process is green, the operation is convenient, and the industrial application prospect is wide.

The invention discloses a drug-loaded compound microsphere as well as a preparation and an application thereof. The drug-loaded compound microsphere is prepared from the following raw materials in parts by mass: 1-2 parts of starch, 0.4-0.6 parts of a flavoring agent, 2-3 parts of sodium alginate, 0.4-4 parts of antibiotics and 2-5 parts of calcium chloride. According to the invention, an antibiotic use mode is changed, the antibiotic dosage is controlled from the source, the flavoring agent, sodium alginate, calcium chloride and antibiotics are compounded, the compound microsphere is obtainedby using a liquid drop method and a freeze drying method, has the effects of improving the addition density of antibiotics and the intake rate of diseased fishes, reducing the residual quantity of water bodies which are not utilized with the antibiotics, and achieving the effect of controlling antibiotic pollution in the water while ensuring the curative effect of fish diseases, and the product is wide in raw material source and low in cost, and the prepared microsphere is environmentally friendly.

The invention relates to the technical field of construction machinery, more specifically to an inclined rail plate cleaning machine. The inclined rail plate cleaning machine comprises a rack, an inclined rail conveying device, a cleaning device and a drainage and slag collection device, wherein the inclined rail conveying device is arranged on the rack; a building template is obliquely arranged on the inclined rail conveying device for conveying; the cleaning device comprises cleaning plates and lateral nozzles; the cleaning plates are arranged on one side of the upper surface and one side ofthe lower surface of the building template in parallel; the lateral nozzles are arranged on the position, close to the two side faces of the building template respectively; and the drainage and slagcollection device is arranged below the building template. The building template is cleaned through high-pressure water, water mud adhered to the side surface of the building template can be efficiently removed, a physical means is used for cleaning, the chemical pollution is avoided, the cleaning efficiency is improved, and the production cost is reduced; and the building template is used for inclined conveying, splashed objects generated by cleaning the building template can be prevented from falling on the cleaning device to cause sedimentation, and residual accumulated water on the building template can be reduced.

The invention discloses a humidification type air purifier which comprises a purification and filter part, a humidification part and a face cover part. The humidification part comprises a water tank,a water pump, a water spray pipe, a spray head and a humidification net. The water tank is mounted on the purification and filter part in a manner of being capable of being mounted and demounted. Theface cover part is connected to the water tank in a covering manner. The water pump is mounted on the water tank. The humidification net is detachably mounted on the water tank. The spray head is mounted on the face cover part and located in the water tank. One end of the water spray pipe is connected with the water pump, and the other end of the water spray pipe is connected with the spray head.The water pump is adopted for drawing water, cost is low, and the spray head can be driven through water flow pressure to rotate while water is sprayed so as to form rotary water spraying. Meanwhile,the spray head is used for spraying water, and the spray head and the water spray pipe are small in size and occupied space.

The invention discloses a manual regeneration, softening and purifying all-in-one machine which comprises a valve cover, the valve cover comprises a water softening cover and a water purifying cover which are of an integrated structure, a communicating pipe for communicating the water purifying cover with the water softening cover is arranged between the water purifying cover and the water softening cover, a raw water inlet is formed in the water purifying cover, a soft water outlet is formed in the water softening cover, the water purifying cover and the water softening cover are detachably connected with a water purification tank and a water softening tank with openings in the upper ends respectively, and a water purification filter element capable of purifying water flowing from the raw water inlet to the communicating pipe is arranged in a water purification inner cavity formed by the water purifying cover and the water purification tank; and a water softening assembly used for softening water flowing from the communicating pipe to the soft water outlet is arranged in a soft water inner cavity formed by the soft water cover and the soft water tank. The structure is compact, the size is small, and installation and application in special areas such as a shower cubicle are facilitated. The invention also discloses a method for preparing soft water, which comprises the following steps: firstly preparing purified water, then dividing the purified water into two paths, preparing soft water from one path of the purified water through resin, mixing the other path of the purified water with the soft water, adjusting the hardness and then outputting the soft water.

The invention relates to a water draining pump. The water draining pump is composed of a motor, a controller, a pump body, wires, a sensor, a supporting pillar, a base, a water storage tank, vanes, a water pump inlet, a water pipe and a rotary shaft, and is characterized in that the rotary shaft is arranged under the motor and extends into the pump body; the vanes are arranged in the pump body and attached to the rotary shaft; the controller is located on the right side of the motor and connected with the motor through the wire; the sensor is arranged in the water storage tank; the controller is connected with the sensor through the wire; the supporting pillar is arranged on the base; the part, at the water pump inlet, of the water storage tank is concaved. According to the water draining pump, the problem that noise is produced and causes pollution in the background technology is solved.

When a fuel-cell electric vehicle is running at idle, and a predetermined period of time has elapsed since the vehicle comes into the idle state, forthcoming stopping of an operation of the vehicle is predicted, and the operation mode of a fuel cell is shifted to a residual water reduction mode in which residual water remaining inside the fuel cell is reduced. In the residual water reduction mode, for example, the amount of humidification for air to be supplied to the fuel cell is reduced, so that the air with reduced humidity passes through the fuel cell, to thereby increase the amount of residual water removed by the air. Accordingly, the residual water inside the fuel cell can be reduced before the actual stopping of the operation of the vehicle.

The invention relates to a method for making residual water level in a container reach the lowest point and a vertical submersible pump. The vertical submersible pump comprises a pump body (1), a water cavity chamber (2) and a water inlet filter plate (3); in particular, the surrounding of the bottom of a water cavity chamber peripheral wall (22) is provided approximately and evenly with n first lug bosses (23) so as to form n filtering water inlets (24) between the water cavity chamber peripheral wall (22) and the water inlet filter plate (3); and a distance H213 between a water cavity chamber inlet (21) and the water inlet filter plate (3), an inlet cross section area of the n filtering water inlets (24) and sigmaS24 and a maximum height H24 of the veridical direction of the filtering water inlets (24) satisfy the relations that H213 is more than or equal to S21 / L21, sigmaS24 is more than or equal to S21 and H24 is less than H213 at the same time. The method and the vertical submersible pump design rationally a geometric construction of the water cavity chamber (2), thereby making the shallowest pumping depth of the vertical submersible pump reach at the lowest point under the premise of not influencing flow rate.

The invention relates to a strong draining pump structure and a cleaning machine provided with the strong draining pump structure. The strong draining pump structure comprises a body, a volute, a drain pipe, an impeller, a driving piece and a pressure assembly. The volute is directly connected with a pressure switch, in the using process, after water enters the volute from a first water inlet anda second water inlet, even if a pressure balance zone which is relatively independent is formed by the volute and the pressure assembly, with the increase of water level in the volute, the pressure inthe pressure balance zone is increased, when the pressure reaches the starting pressure of the pressure switch, the driving piece starts to drive the impeller to drain water, when the water is aboutto completely drained, due to rotation of the impeller in the volute, the internal pressure is high till the water is completely drained, the impeller rotates in an idle mode, the pressure is decreased to the stopping pressure of the pressure switch, and the driving piece drives the impeller to stop working. According to the structure, by balancing the set pressure in the volute and the pressure switch, the pressure sensing precision is improved, the amount of residual water in the pump is decreased, and the service life of the pump is prolonged.