36results about How to "Increase the speed of water intake" patented technology

The present invention discloses a special washing device for fruit and vegetable picking and relates to the technical field of agricultural washing devices. The special washing device for the fruit and vegetable picking comprises a washing bucket and a pickling bucket with an opening at a top part, side walls and a bottom surface of the pickling bucket all have mesh structures, a water draining pipe is arranged at a bottom surface of the washing bucket, water spraying assemblies are arranged evenly on internal walls of the washing bucket and comprise spraying heads and flexible water supply pipes, a water inlet end of the spraying head is connected to the flexible water supply pipe, through-holes are arranged on the side walls of the washing bucket, the other end of the flexible water supply pipe passes the through-hole and connects to external water source, a pickling bucket rack corresponding to the bottom surface of the picking bucket is horizontally arranged at an inner cavity of the washing bucket, and the picking bucket is clamped to the inner cavity of the washing bucket via the picking bucket rack. By arranging the picking bucket and washing bucket special for the picking bucket, the special washing device simplifies processes from the picking to washing and packaging, and is convenient for use, thorough in fruit and vegetable washing, and high in practicality.

The invention relates to a cleaning type solar water heater with a pressurizing function. The cleaning type solar water heater comprises a water tank, a water pipe, at least two heat collecting pipes,a pressurizing mechanism and a cleaning mechanism, wherein the pressurizing mechanism comprises a driving assembly and at least two pressure control assemblies, the pressure control assemblies comprise sliding rods, piston blocks, sealing sleeves, connecting wires and springs, the cleaning mechanism comprises a filter screen, a cleaning assembly, a slag discharge pipe, a cone bucket and a collecting cylinder, and the driving assembly comprises a motor, a first gear, a second gear, a driving shaft and two installation bearings, and the cleaning assembly comprises a supporting rod, a supportingbearing, a paddle blade, a connecting shaft and a cleaning brush. In the cleaning type solar water heater with the pressurizing function, the water pressure of water drained from the solar water heater can be increased through the pressurizing mechanism, the practicability of the solar water heater is improved, scale in the solar water heater can be cleaned through the cleaning mechanism, and thewater quality of the solar water heater is improved.

The invention relates to a clean solar water heater with a pressurization function. The water heater comprises a water tank, a water pipe, two or more heat collection pipes, a pressurization mechanismand a cleaning mechanism. The pressurization mechanism comprises a driving assembly and two or more pressure control assemblies. Each pressure control assembly comprises a slide rod, a piston block,a seal sleeve, a connection line and a spring. The cleaning mechanism comprises a filter screen, a cleaning assembly, a residue discharging pipe, a cone hopper and a collection cylinder. The driving assembly comprises a motor, a first gear, a second gear, a driving shaft and two mounting bearings. The cleaning assembly comprises a supporting rod, a supporting bearing, a paddle, a connection shaftand a cleaning brush. According to the clean solar water heater with the pressurization function, the pressurization mechanism can increase the pressure of discharged water of the solar water heater,the practicability of the solar water heater is improved, the cleaning mechanism can remove limescale in the solar water heater, and the quality of water in the solar water heater is improved.

The invention discloses a rotating sand settling device and technology. The device comprises a sand settling tank, wherein the sand settling tank comprises a lower inverted-cone-shaped sand settling area and an upper cylindrical water inlet and outlet area, wherein a water inlet, a water outlet and a flow guiding device are arranged in the water inlet and outlet area; a polluted sand outlet is arranged at the bottom of the sand settling area; water flowing in from the water inlet is guided to the inner wall of the sand settling area by the flow guiding device; a sand washer and stirring blades are further arranged in the sand settling tank; the stirring blades are arranged in the middle of the sand settling tank and between the sand settling area and the water inlet and outlet area; the sand washer comprises a sand suction and discharge pipe, a sand washing tank and a sand washing sewage pipeline; the sand washing tank comprises a lower sand washing area and an upper buffer area; a sand inlet and outlet port is formed in the bottom of the sand washing area of the sand washing tank. With the device and the technology, the water inlet speed can be increased, the treating efficiency of the sand settling tank for sand with the grain size ranging from 25 mu m to 35 mu m can be improved while the separation efficiency of the sand and organic matter can be increased, the treating efficiency can be up to 90%, and the investment and the running cost are saved.

The invention provides a water inlet method of a washing machine. A detergent box, a water inlet pipe and a water inlet valve are arranged in the washing machine, and the water inlet pipe is used forsupplying water into the detergent box. A siphon and an overfall gap are arranged in the detergent box. The method includes the steps of A, mixed water inlet; B, siphon water inlet; C, executing the step A and the step B multiple times. By arranging the siphon water inlet step, a detergent in the detergent box is sufficiently dissolved, and the detergent at the bottom of a cavity can be easily discharged through siphon; the detergent is prevented from being left in the detergent box, and the utilization rate of the detergent and the rinsing clean ratio are increased; by arranging the mixed water inlet step before the siphon water inlet step, on one hand, the water inlet speed of the washing machine can be increased, for instance, the water inlet speed is too slow when only the siphon waterinlet step is adopted, and the water inlet time is too long; on the other hand, the detergent high in concentration is prevented from being directly sprinkled on clothes in a washing tub, and the uniformity of the concentration of the detergent in the washing tub is facilitated.

The invention discloses a rapid purification sewage device for chemical industry, comprising a purification device body and an activated carbon adsorption tank. The top of the purification device body is symmetrically provided with two water inlets, and the top of the water inlet passes through a first branch pipe and a high-pressure water pump. Communication, the inside of the filter cartridge is provided with a medicine outlet pipe, the bottom of the filter cartridge is conventionally connected to the motor through a transmission shaft, and a suction pump is provided on one side of the bottom of the purification device body, and the suction pump is connected with the water pipe through the water pipe. The second shunt pipe is communicated with a plurality of activated carbon adsorption tanks arranged inside the filter barrel. In the present invention, the setting of the high-pressure water pump can effectively improve the water inlet speed of the sewage, and the filter cartridge can make the rapidly injected sewage carry out solid-liquid centrifugal separation under the action of the motor, thereby effectively improving the efficiency of sediment removal in the sewage, and the separated The precipitation can be discharged through the precipitation outlet in time, preventing the clogging of the filter cartridge.

The invention discloses a water pollution treatment system for fishing floaters. The system structurally comprises a floating object fishing device, water pollution treatment equipment, a supporting block and a water inlet tank, the supporting block is fixed at the bottom of the water pollution treatment equipment, and a water inlet groove is formed in one side of the water pollution treatment equipment. Compared with the prior art, the beneficial effects of the invention are that: the floating object fishing device is additionally arranged in the water inlet tank of the water pollution treatment system, an efficient energy-saving motor, a damping base, a two-way threaded lead screw set, a fishing mechanism, a connecting plate, a hydraulic cylinder, a fixing frame, a guide rod and other components are arranged in the floating object fishing device in a combined mode, floating objects are concentrated through two-way clamping so that the floating objects can be conveniently fished in acentralized mode, the fishing efficiency is high, the effect is good, the fished floating objects can be collected in a centralized mode, the floating objects are prevented from covering the filteringholes, the filtering area of the filtering net is not hindered, the blocking probability of the filtering net is reduced, the water inlet speed can be increased, and then the sewage treatment efficiency can be improved.

The invention discloses a water inflow control device with a time delay function. The device comprises: a first water outlet channel, which is communicated with a water inlet channel and can control water supply to a closestool water tank; a small water tank, which is equipped with a water storage cavity and a water channel that communicates the water storage cavity with the closestool water tank;a water stop unit, which comprises a small floating barrel that floats up or falls down along with the water level in the water storage cavity so as to control opening and closing of the first wateroutlet channel; a control unit, which controls the small floating barrel for keeping in a falling state under the action of water pressure of the first water outlet channel when water enters the waterinlet channel and the first water outlet channel is opened, thus keeping the first water outlet channel open, and which resets after the water inlet channel stops water so that the small floating barrel floats upwards along with the water level in the water storage cavity to close the first water outlet channel. According to the scheme, the control unit is disposed to enable delayed floating of the small floating barrel, the water inflow control device can have sufficient water supply time for the closestool water tank, the water level of the closestool water tank stably rises, the problem that the water inflow control device does not stop water is prevented, and the structure is simple.

The invention relates to a sports pure water cup which comprises a cup body, a hollow cup seat and a cup neck, wherein an L-shaped distance piece is fixed at the cup neck, and the cup neck is divided into a raw water port and a pure water port by the L-shaped distance piece; a piston piece which can freely slide up and down along an inner wall of the cup body is installed in the cup body; an inner cavity of the cup body is divided into a lower raw water cavity and an upper pure water cavity by the piston piece; a water conveying pipe and a pure water pipe filled with purifying materials are fixed on an outer side wall of the cup body; one end of the water conveying pipe is communicated with the raw water port, and the other end of the water conveying pipe is communicated with the raw water cavity; one end of the pure water pipe is communicated with the pure water port, and the other end of the pure water pipe is communicated with the cup seat; an original dynamic block which can move up and down is placed in the cup seat; a water inlet valve and a drain valve are installed at the bottom of the cup body. The sports pure water cup has the advantages of small size, convenience in carrying and large water storage capacity; drinking water can be automatically and quickly purified, and the outdoor sports experience of people is increased.

The invention discloses a rotating sand settling device and technology. The device comprises a sand settling tank, wherein the sand settling tank comprises a lower inverted-cone-shaped sand settling area and an upper cylindrical water inlet and outlet area, wherein a water inlet, a water outlet and a flow guiding device are arranged in the water inlet and outlet area; a polluted sand outlet is arranged at the bottom of the sand settling area; water flowing in from the water inlet is guided to the inner wall of the sand settling area by the flow guiding device; a sand washer and stirring blades are further arranged in the sand settling tank; the stirring blades are arranged in the middle of the sand settling tank and between the sand settling area and the water inlet and outlet area; the sand washer comprises a sand suction and discharge pipe, a sand washing tank and a sand washing sewage pipeline; the sand washing tank comprises a lower sand washing area and an upper buffer area; a sand inlet and outlet port is formed in the bottom of the sand washing area of the sand washing tank. With the device and the technology, the water inlet speed can be increased, the treating efficiency of the sand settling tank for sand with the grain size ranging from 25 mu m to 35 mu m can be improved while the separation efficiency of the sand and organic matter can be increased, the treating efficiency can be up to 90%, and the investment and the running cost are saved.

The invention discloses a method and device for preventing an irrigation electronic control valve from being out of operation. A water channel in a magnetic valve is isolated from an upper cavity body through an elastic packing cup which is placed between a valve element assembly and a valve cavity, the upper cavity body is connected with a control channel, and meanwhile a whole control mechanism is isolated from a water route through a pre-guiding film sheet to prevent sediment and other sundries from affecting the operation of the control mechanism and to improve the work reliability of the electronic control valve. Due to the fact that the pre-guiding film sheet is used for isolating the whole control mechanism from water, the sediment and other sundries can be prevented from affecting the normal work of the control mechanism. The bore diameter of an outer circulation channel is enlarged, so that the water containing the sediment and the sundries flows successfully, the process that the water flows in and out of the valve cavity is accelerated, and a switch of the electronic control valve is controlled fast and flexibly. The water inlet process and the water outlet process of the upper cavity body are respectively controlled through a double-direction micromotor, in each water draining process, the water inside the valve cavity can be drained thoroughly, the sediment and the sundries in the upper cavity body are brought away, the phenomenon that a large amount of sediment is deposited inside the valve cavity is avoided, and the working reliability and the working stability of the electronic control valve are improved.

The invention discloses a surfboard spray pump structure with a rapid heat dissipation effect, and relates to the technical field of surfboards. A mounting groove is formed in a bottom plate of a surfboard, the spray pump structure is arranged in the mounting groove, and the spray pump structure comprises a power source fixedly mounted at one side, far away from the tail part of the surfboard, inthe mounting groove, a propeller assembly fixedly mounted in the mounting groove, fixedly assembled with a power output shaft of the power source and used for propelling water flow to one side opposite to the advancing direction of the surfboard, and a main flow channel bottom cover plate. The main flow channel bottom cover plate is arranged at a groove opening of the mounting groove, fixedly assembled with the mounting groove and used for shielding and protecting the power source, and when the surfboard moves, the main flow channel bottom cover plate is further used for achieving exchange between a cavity where the power source is located and external water flow so as to cool the power source. According to the technical scheme, the surfboard spray pump structure has the advantages of being simple in structure, ingenious in design, good in heat dissipation effect and long in service life.

The invention provides an electronic water pump and a vehicle. The electronic water pump comprises a machine shell assembly and an electric control board, wherein a water circulation channel and a first installation cavity are formed in the machine shell assembly in a limiting mode; the electric control board is mounted in the first installation cavity in a sealing mode; a water inlet and a wateroutlet of the electronic water pump are separately formed in the two ends of the water circulation channel, and at least part of the outer wall surface of the first installation cavity forms part of the inner wall surface of the water circulation channel; and a stator and a machine shell are integratedly injection molded. According to the electronic water pump, an internal flow path of the electronic water pump is improved, the flow rate of a coolant for cooling the electric control board is significantly increased, and the cooling effect on the electric control board is significantly improved; compared with additionally arranging large heat sinks to the electric control board, the internal flow path of the electronic water pump is improved, reducing the product volume is facilitated, theinstallation space is saved, and the product structure is simplified; and the integratedly injection molding of the stator and the machine shell plays the role of stator self-sealing, an internal sealing system of a motor is omitted, and the problem of stator heating is effectively solved.

The invention discloses a rotary stereo garage balancing system which comprises a water tank, branch electromagnetic valves, an inflow electromagnetic valve, a water drainage electromagnetic valve, a water pump and a controller. The branch electromagnetic valves are correspondingly communicated with car carriages of a stereo garage; each branch electromagnetic valve is communicated with the water drainage electromagnetic valve; the water drainage electromagnetic valve is respectively communicated with the water pump and the water tank; the water pump is communicated with the inflow electromagnetic valve; the inflow electromagnetic valve is respectively communicated with the water tank and each branch electromagnetic valve; the controller is used for switching on or off the branch electromagnetic valves, the inflow electromagnetic valve, the water drainage electromagnetic valve and the water pump. The rotary stereo garage balancing system reduces driving torque of the stereo garage, reduces energy consumption, improves service life and also improves working safety and reliability.

The invention discloses a sewage treatment device beneficial to environmental protection. The sewage treatment device comprises a tank body, wherein an opening of the tank body is a beveled opening, atank cover matched with the tank body sleeves above the tank body, the cross section of the tank cover is of a parallelogram, a water inlet pipe is fixed to the side face of the tank cover in a run-through manner, the water inlet pipe and the tank cover are fixed through welding, a tubular body is fixed to the top surface of the internal wall of the tank cover, an opening of the tubular body faces to a pipe orifice of the water inlet pipe, a plurality of through holes A are uniformly formed in the surface of the tubular body, and a conveying screw rod matched with the tubular body is fit withthe interior of the tubular body. According to the sewage treatment device, the conveying screw rod is used for conveying out lumpy dirt from sewage, thus, a filtering meshed plate is prevented fromblockage, the speed of water intake and filtering is increased, and the work efficiency is high; and brush hair of a sleeve with the brush hair brush the bottom surface of the filtering meshed plate under the drive of a motor A, and thus, mud is further effectively prevented from blocking up meshes of the filtering meshed plate. The sewage treatment device is small in size and can meet the requirements on multi-place moving sewage treatment.

The invention discloses an electric water purification apparatus ion desorption method. The method comprises the following steps: a controller controls the electrode of an electric water purification module to enter an ion desorption process in an electrode polarity exchange manner, and water entrance and water drainage of the electric water purification module are stopped; whether ion desorption reaches a full desorption degree or not is judged; and if the ion desorption reaches a full desorption degree, water entrance and water drainage of the electric water purification module are started to drain wastewater generated in the ion desorption process of the electric water purification module. The invention also discloses an electric water purification apparatus. The water entrance and water drainage of the electric water purification module are stopped after the controller controls the electrode of the electric water purification module to enter the ion desorption process in an electrode polarity exchange manner, and the water entrance and water drainage of the electric water purification module are started after the ion desorption reaches a full desorption degree in order to drain wastewater generated in the ion desorption process of the electric water purification module, so water flow in the electric water purification module stops in the ion desorption process to make the ion concentration of water in the electric water purification module increase in order to increase the current of the ion desorption process, thereby the ion desorption efficiency is improved.

The invention discloses a water inlet device of a washing machine and the washing machine, which comprise a first water inlet waterway and a second water inlet waterway which are respectively communicated with a washing tub and can independently feed water. The first water inlet waterway includes a water suction pump. The second water inlet channel communicates with the water suction pump. The water inlet device of the present invention receives the washing water provided by different water inlet channels, and at the same time uses the flow channel in the water box to distribute the flow channel in the chamber to make the main water intake and the water suction pump parallel, and does not need the separate water suction pump in the past. The water valve can realize the function of supplying and diverting water to the pump cavity of the water suction pump. Since the water supply and diversion inlet valve required for the water suction pump to start the priming pump is omitted, the present invention is compared with the conventional washing machine with the water suction pump. The utility model has the advantages of less parts, low cost, and small occupied volume, so that the washing machine can more conveniently use other water sources such as bath water as the washing water of the washing machine through the suction pump, so as to achieve the purpose of saving water.

The invention provides a water lifesaving device, and belongs to the technical field of lifesaving equipment. The device comprises a U-shaped floating body, a second rotating shaft, two first pushing mechanisms and an auxiliary pushing mechanism, the U-shaped floating body comprises an arc-shaped part and two straight parts, screen cloth is arranged in an opening of the U-shaped floating body, the second rotating shaft is horizontally and rotatably arranged between the rear ends of the two straight parts, and the two first pushing mechanisms are both arranged on the second rotating shaft. The first pushing mechanism comprises a round pipe, a sliding block, a pedal plate and a swinging structure, the round pipe is fixedly arranged on the second rotating shaft, a bottom plate is fixedly arranged at the rear end of the round pipe, the sliding block is arranged in the round pipe in a sliding mode, a reset spring is fixedly connected between the rear end of the sliding block and the bottom plate, and the pedal plate is hinged to the front end of the sliding block through a push rod. When the sliding block slides back and forth in the round tube, the swinging structure can swing up and down to push the U-shaped floating body to move forwards, and the auxiliary pushing mechanism can assist in pushing the U-shaped floating body to move forwards. Sailors can be driven to move around, and the rescue efficiency is improved.

The invention relates to a recycling treatment system for treating reclaimed water of a sewage plant in a synthetic leather industrial area, wherein the system comprises a water inlet device used for injecting sewage into a pretreatment pool, a pretreatment device connected with the water inlet device and used for settling pollutants in the sewage, an ultrafiltration device connected with the pretreatment device and used for filtering organic pollutants in the sewage, a reverse osmosis device connected with the ultrafiltration device and used for separating salt ion pollutants in the sewage, a first detection device arranged at a water outlet of the ultrafiltration device and used for detecting the COD value in the sewage, and a second detection device arranged at a water outlet of the reverse osmosis device and used for detecting the conductivity in the sewage. A central control unit is arranged, and the central control unit adjusts the treatment efficiency of the pretreatment device, the recovery capacity of a first recovery device, the recovery capacity of a second recovery device and the evaporation temperature of an evaporator according to the COD value and the electrical conductivity in wastewater, so that the reclaimed water meets the preset standard.

The invention belongs to the technical field of clothes treatment equipment, and discloses a machine body structure of clothes treatment equipment and the clothes treatment equipment. The machine body structure of the clothes treatment equipment comprises an inner barrel, an outer barrel, a detergent feeding cavity, a U-shaped pipe and a water inlet pipe, wherein the inner barrel is provided with a water permeable hole covering area and a non-water permeable hole covering area, the outer barrel is arranged on the outer side of the inner barrel in a sleeving mode, the detergent feeding cavity is formed in the upper side of the outer barrel, one end of the U-shaped pipe is in communication with the detergent feeding cavity, the other end of the U-shaped pipe is in communication with the outer barrel, one end of the water inlet pipe is in communication with the detergent feeding cavity, the other end of the water inlet pipe is in communication with the outer barrel, a communication port of the water inlet pipe and the detergent feeding cavity is lower than that of the U-shaped pipe and the detergent feeding cavity, and a communication port of the water inlet pipe and the outer barrel faces the non-water permeable covering area. The clothes treatment equipment comprises the machine body structure of the clothes treatment equipment. According to the machine body structure of clothes treatment equipment, the water inlet pipe can reliably dam the U-shaped pipe, and the requirement that the inner barrel is not soaked with water during steam washing is met.

The invention discloses a filter device. The filter device comprises a filter piece and a floating piece; the filter piece is suitable for communicating with a water sucking port of a water sucking pipe, and is used for filtering water before the water enters the water sucking port; and the floating piece can float in the water, and is connected with the filter piece through a connecting piece for pulling the filter piece to enable the filter piece to locate on a middle layer of the water. The filter device connects the filter piece with the floating piece, and uses the floating piece for controlling the filter piece to locate on the middle layer of the water; and as impurities in the water on the middle layer are fewer, the filter device is faster in water filter speed, and needs no frequent cleaning.

The invention provides a waterfall spraying cover plate, a dewatering bucket assembly and a washing machine. The waterfall spraying cover plate comprises a cover plate body and a flow guide structure,multiple waterfall spraying holes and multiple water inlet holes are formed in the cover plate body, and the flow guide structure is arranged on the cover plate body. The flow guide structure comprises a flow guide water channel extending from bottom to top, and the flow guide water channel communicates with the multiple waterfall spraying holes and the multiple water inlet holes. According to the waterfall spraying cover plate, the multiple waterfall spraying holes are formed in the cover plate body, the spraying covering area of waterflow is effectively increased, and therefore the sprayingand flushing effect on clothes is improved, the risk of clothes winding in the washing process is reduced, and the user experience is improved. Meanwhile, the multiple water inlet holes are formed inthe cover plate body, the water inflow and water input speed of the flow guide water channel are effectively increased, and therefore the spraying distance and spraying strength of waterflow are increased, then the spraying and flushing effect on the clothes is further improved, the risk of clothes winding in the washing process is further reduced, and the user experience is further improved.

A method for cultivating tilapia fry based on a closed culture container, using a closed culture container for culture, the culture method comprising: (1) configuring a culture feed according to the weight ratio of the ingredients of the culture feed formula; (2) Regularly and continuously feed water into the tank through the annular branch pipe, and spray it to the water surface from the inclined downward outlet pipe evenly distributed on the side of the annular branch pipe; the water level in the tank is adjusted by the water level control device, using air stones and nano air pipes Microporous oxygenation of the water body; (3) Regular feeding and touch feeding by flat hanging bait trays, setting the stocking density; (4) Regularly discharge waste water and waste residue, disinfect and adjust the pH value of the water body, Until the cultivation of a batch of tilapia is completed; according to the structural characteristics of the closed cultivation container, the present invention respectively carries out the design of the breeding feed formula, the control of the water body of the box body and the design of the breeding management, so as to realize efficient and high-yield tilapia High-density farming in containers.

The invention relates to a biofuel boiler smoke discharge afterheat utilization system. The system comprises a water feeding pump; an outlet of the water feeding pump is connected with an input pipe; and the input pipe is connected with an output pipe through a third gate valve. The system further comprises a boiler; a joint for inputting water is arranged at the top of the boiler; the joint is communicated with the output pipe through an adapter; output pipes positioned at two ends of the third gate valve are respectively connected with a first pipeline and a second pipeline; the first pipeline and the second pipeline are connected to two ends of an energy economizer; the first pipeline is synchronously communicated with the input pipe; one ends, near the boiler, of the output pipes are connected with booster pipes; and the booster pipes are connected with a booster pump. As the booster pump is arranged between the energy economizer and the boiler, the water inlet pressure of the boiler is effectively increased, the water inlet speed is accelerated, and the long-time afterheat dissipation is prevented.

The invention discloses an electric water purification apparatus ion desorption method. The method comprises the following steps: a controller controls the electrode of an electric water purification module to enter an ion desorption process in an electrode polarity exchange manner, and water entrance and water drainage of the electric water purification module are stopped; whether ion desorption reaches a full desorption degree or not is judged; and if the ion desorption reaches a full desorption degree, water entrance and water drainage of the electric water purification module are started to drain wastewater generated in the ion desorption process of the electric water purification module. The invention also discloses an electric water purification apparatus. The water entrance and water drainage of the electric water purification module are stopped after the controller controls the electrode of the electric water purification module to enter the ion desorption process in an electrode polarity exchange manner, and the water entrance and water drainage of the electric water purification module are started after the ion desorption reaches a full desorption degree in order to drain wastewater generated in the ion desorption process of the electric water purification module, so water flow in the electric water purification module stops in the ion desorption process to make the ion concentration of water in the electric water purification module increase in order to increase the current of the ion desorption process, thereby the ion desorption efficiency is improved.

The invention provides a fixed-layer sampling device for underground water. The fixed-layer sampling device comprises a support frame, a sampling device is arranged at the bottom of the support frame, and a first pull rope and a second pull rope are respectively connected to the side, far away from an upper electromagnet, of a lower electromagnet. The first pull rope penetrates through a first isolation frame and then is connected to the side, close to a second spring, of a first rubber plug. A piston pipe comprises an outer annular piston pipe body, a communicating piston pipe body and a center ring piston pipe body which are communicated with one another. A push rod is fixedly arranged at the bottom of a circular piston plate. A conical water inlet groove is correspondingly formed in the top wall, close to a conical plug, of a sampling box. The fixed-layer sampling device for underground water provided by the invention can be used for simultaneously sampling multiple layers of water bodies, is high in sampling speed, can directly guide the water bodies into the sampling box, and can seal the sampling box in a sealed environment after sampling is finished, so that pollution is prevented, the operation steps and the use are simplified, and the device is higher in efficiency and worthy of popularization and use.

The invention discloses a rapid hardening furnace with a perpendicular low-resistant cooling system. The rapid hardening furnace with the perpendicular low-resistant cooling system comprises a vacuum system, a vacuum furnace and a crucible, wherein the vacuum furnace communicates with the vacuum furnace, the crucible is located in the vacuum furnace, a first cooling device is arranged in the bottom of the crucible, cooling circulating water is introduced into the first cooling device, the perpendicular low-resistant cooling system is arranged out of the vacuum furnace, and the first cooling device communicates with the perpendicular low-resistant cooling system through a cooling water channel. By combined use of the first cooling device and the perpendicular low-resistant cooling system, the rapid hardening furnace is uniform in speed and fast in speed, and a water resource is saved.

The invention discloses an internal combustion locomotive provided with a vertical low-resistance cooling system. The internal combustion locomotive provided with the vertical low-resistance cooling system comprises the vertical low-resistance cooling system, a first air cooler, a second air cooler, a first supercharger and a second supercharger. The input end and the output end of the vertical low-resistance cooling system are both connected with a diesel engine. The input end of the first air cooler is connected with the first supercharger. The output end of the first air cooler is connected with the diesel engine. The internal combustion locomotive provided with the vertical low-resistance cooling system can cool both high-temperature water of the diesel engine and supercharged air of the diesel engine. The requirement for applying the diesel engine without an intercooler to the railway internal combustion locomotive is met.