36results about How to "Avoid dredging" patented technology

The invention provides a shell and tube heat exchanger for exchanging heat of fused salt with different temperatures. The shell and tube heat exchanger is used for exchanging heat between cold salt and hot salt and at least comprises a shell, a first tube plate and a second tube plate which are respectively mounted at both ends in the shell, and a heat exchange tube fixed between the first tube plate and the second tube plate, wherein the heat exchange tube comprises a straight tube and a spiral tube communicated with the straight tube. The shell and tube heat exchanger further comprises a hot salt inlet, a hot salt outlet, a cold salt outlet and a cold salt inlet formed in the bottom of the shell, which are formed in the top of the shell. According to the shell and tube heat exchanger, one end of the heat exchange tube is provided with the spiral tube, so that the problem of thermal expansion of the heat exchange tube due to high temperature of fused salt can be avoided, so as to prevent movement of the tube plates due to expansion pressure and prolong the service life of the shell and tube heat exchanger; and furthermore, due to the arrangement of the spiral tube, the heat exchange area can be enlarged, and thus the heat exchange effect can be greatly enhanced.

The invention discloses a propeller-driving left-right swinging cutter-suction type desilting robot with a self-correction function. The propeller-driving left-right swinging cutter-suction type desilting robot with the self-correction function includes a platform frame, a ship body, a propeller, a left-right swinging cutter-suction mechanism, a desilting mechanism, a pumping mechanism, a self-correction unit, a controlling unit and a visual unit; the ship body is used as a walking mechanism of the desilting robot and is positioned at the bottom of the platform frame; the propeller offers power to the ship body to move forward under the control of the controlling unit; a buoyancy tank is arranged in the ship body; and the left-right swinging mechanism and the desilting mechanism are operative sections. According to the propeller-driving left-right swinging cutter-suction type desilting robot with a self-correction function, a propeller-driving submarine-type marching method and a left-right swinging cutter-suction desilting method are adopted, sludge collection and sludge pumping are conducted, different environments such as channel deposit and culvert inverted siphon stagnating are fitted, and harmless sequent movable quick desilting is achieved, and the desilting robot can be corrected through the self-correction unit, so that the sludge clearing and barrier eliminating are conducted by the desilting robot reliably.

The invention provides a molten salt heat exchanger with intelligent control of heat exchange flow rate, which is used for heat exchange between cold salt and hot salt. The molten salt heat exchanger at least includes: an outer shell; The first tube sheet and the second tube sheet at both ends; the heat exchange tube fixed between the first tube sheet and the second tube sheet, the heat exchange tube includes a straight tube and a spiral tube communicating with the straight tube ; The hot salt inlet, hot salt outlet and cold salt outlet arranged on the top of the shell; there are also cold salt inlets arranged at the bottom of the shell, several cold salt passages arranged between the cold salt inlet and the cold salt outlet, and the Intelligent control valves at both ends of each cold salt channel and temperature sensing devices arranged on the cold salt channel and heat exchange tubes. The molten salt heat exchanger of the present invention can realize intelligent control through an intelligent control valve and a temperature sensing device, and can well match the heat exchange flow rate of hot salt and cold salt to achieve better heat exchange effect.

The invention provides a collection device for plant root exudates. A filter plate is arranged in a nutrient liquid barrel to effectively filter solid impurities in liquid to prevent the blockage of a connecting pipe, furthermore, an air blowing device is arranged, so that through holes on the filter plate can be dredged to prevent the through holes on the filter plate from being blocked. The invention further provides a collection method for xerophyte root exudates. A method of combining soil culture and water culture is adopted to reduce the hydroponic time so as to effectively avoid phenomena of rotted roots and the like caused by long-term soaking of plant roots in the liquid, the collection method is suitable for xerophytes, and makes the culture environment more adapted to the growth environment of the xerophytes after carrying out the water culture transiently to further improve the connection accuracy and reliability of the root exudates.

The invention relates to the technical field of three-dimensional packaging machines, and discloses a full-automatic transparent film three-dimensional packaging machine which comprises a machine body. A mounting groove is formed in the top face of the machine body, a movable groove is formed in the right side of the top face of the machine body, material stacking plates are movably clamped to theinner surface of the movable groove, and a material stacking frame is fixedly connected to the back faces of the material stacking plates. According to the full-automatic transparent film three-dimensional packaging machine, the front face and the back face of the machine body are movably sleeved with movable rods, so that the inner ends of the movable rods are fixedly connected with the materialstacking plates, the movable plates are sleeved with springs, the springs are connected with the material stacking plates, the springs are needed while the movable plates are pulled to drive the material stacking plate to move, the springs are always kept in a compressed state, the movable rods are fixed through locking caps outside the machine, then the positions of the material stacking plateson the two sides are changed, the width of products placed on the material stacking plates is adjusted, disassembly, assembly and replacement are avoided, the operation difficulty is lowered, the operation speed is increased, the machining time is saved, and the using effect is good.

The invention relates to the field of packaging boxes, in particular to a packaging box. The packaging box comprises a cubic box body, a first sliding groove is formed in the center of the box body, a sliding column is slidably connected to the first sliding groove, a rotating assembly is arranged at the bottom of the sliding column, and a circular truncated cone is fixedly connected to the top of the sliding column. The packaging box is used for existing packing of ginseng, due to the fact that the ginseng has special fragrance, the smell is lost or changed due to improper storage, and the ginseng needs to be placed in a shady, cool and dry environment to avoid deterioration and drug property loss, but the use of a plastic packaging box can cause short storage period and drug property loss of the ginseng on one hand, and on the other hand, due to the fact that the medicinal value of ginseng is high, generally, when the ginseng is used, the amount of the ginseng used at a time is not large, the plastic packing box is very troublesome to seal after being unpacked and can generate toxic gas, and secondly, the existing packing box for packing ginseng cannot effectively separate the ginseng, so that the medicinal value of the ginseng in one box is easily lost.

The invention discloses a hidden road lifting parking device which comprises a vehicle carrying platform and a lifting device, wherein the vehicle carrying platform is positioned on the lifting device. An embedded movable parking lot further comprises a pit and a sealing plate, a contour enclosed by side walls of the pit is consistent with that of the vehicle carrying platform, and a sliding guiderail is arranged at the pithead edge of the pit along the vertically extending direction of the side walls, rollers are arranged on the lower surface of the sealing plate, and the sealing plate is connected with the sliding guide rail through the rollers. The hidden road lifting parking device has the advantages that vehicle parking on a blind road can be avoided, the jammed blind road is dredged, and convenience is provided for walking of the blind.

The invention discloses an in-situ treatment method for improving the quality of a water environment. The in-situ treatment method is used for treating a river channel water body and comprises the following steps: firstly, laying an aeration system and aquatic plant-imitated filler; secondly, debugging and training a microbial system; thirdly, continuously operating the microbial system until a governed river channel water body reaches V type water body; fourthly, constructing a water ecosystem; fifthly, continuously operating the water ecosystem until the governed river channel water body reaches IV type water body. According to the method, a water body is treated and purified by adopting an in-situ treatment mode, and land is not occupied; energy consumption is equivalent to or lower than that of a water treatment facility of source controlling and sewage intercepting construction; the bottom of the water body is aerated, and bottom mud is consumed in situ, so that the improvement on bottom sediment is facilitated, and desilting investment is greatly reduced or desilting is avoided; microbial communities are enriched by natural aeration, and the treatment effect of water quality is good; the water ecosystem is constructed to sufficiently realize the self-cleaning capability of the water body and prevent and control eutrophication of the water body; the in-situ treatment method is automatically operated and convenient to manage, and can realize unattended operation.

The invention belongs to the technical field of sewer pipe equipment for smart home use, in particular to an anti-blocking disinfection and sterilization device for sewer pipes for smart home use and a method for use, including a control box, the top of the control box is fixedly connected with a water inlet pipe, and the control box A water outlet pipe is fixedly connected to one side surface of the water inlet pipe, an elbow is fixedly connected to one end of the water inlet pipe, and one end of the elbow pipe is fixedly connected to one end of the water outlet pipe. The anti-blocking disinfection and sterilization device for sewer pipes used in smart homes and its use method achieve the effect of automatic control and dredging by setting an anti-blocking mechanism, and the operation is simple, saving unnecessary costs for maintenance, and preventing professionals from being dredged and waiting for a long time It cannot be used in time, and unnecessary maintenance costs are wasted; by setting up a disinfection and sterilization mechanism, the effect of automatic sterilization and disinfection is achieved, preventing congestion from breeding a large number of bacteria, producing stench, destroying people's healthy living environment, and causing harm to health.

The invention discloses a pneumatic sewer pipe dredger, the structure of which comprises a dredger, an adapter shaft, a trigger, an air pump, and an inflatable rod. The top of the air cylinder is embedded and connected, the overall movement of the air pump and the inflatable rod is coordinated, the trigger stroke is coordinated with the internal activities of the dredger, and the trigger stroke is embedded and connected with the right side of the pump. The dredge includes a spring, a booster plug, a vacuum cylinder, a safety plug, The firing rod, the safety bolt is movable with the inside of the firing rod, the spring is integrally nested and connected with the firing rod, the vacuum cylinder is screwed with the left end of the booster plug, and the firing rod is movable with the inside of the vacuum cylinder. Fly away from the place, so that after hitting the foreign object, cooperate with the trigger plate and the connecting rod to tighten the claw piece inward, so that the foreign object can be taken out after being clamped by the claw piece, which effectively avoids the original problem of blowing away the peculiar smell only by increasing the air pressure. Short-term unblocking caused by removing foreign objects.

The invention discloses a water and soil conservation method suitable for plain river network areas. The water and soil conservation method comprises the steps of arranging diversion ditches along the horizontal direction of the downstream water at the slope top of a riverway and the longitudinal direction of an upstream water body on the slope surface of the riverway; arranging a preliminary sedimentation tank at the longitudinal and horizontal intersection of the diversion ditches; arranging a silt deposition well in a water body in the marginal bank of the riverway; pumping silt in the silt deposition well to a piezoelectric movable silt dehydrating device by using a submersible sludge pump to carry out dehydration and drying treatment; conveying the dehydrated and dried silt to the working surface of a protective slope of the riverway through a belt conveying device; and after leveling the silt conveyed into grass planting dies, concrete grillages and self-locking ecological I-shaped bricks, paving planting soil on the upper layer of silt, and laying an ecological grass blanket on the planting soil or mixing ecological grass seeds into the planting soil to finish the construction of an ecological protective slope. By using the water and soil conservation method, the problem that an ecological system of a river bed is damaged because the riverway is dredged by cutoff can be avoided; the silt returns to a slope in situ, and a silt resource is recycled; and the slope surface of the riverway is subjected to ecological slope protection treatment, so that water and soil loss is reduced.

The purpose of the present invention is to solve the problem that the existing high-rise building sewage pipe is blocked and difficult to dredge, and discloses a high-rise building sewage pipe, including sewage pipe, barb, rotating shaft, barb, slider, chute, blade, filter Net, first scraper, top block, control box, return spring, connecting block, second scraper, connecting block, second scraper, connecting rod, sealing ring, sewage cover, bearing, motor, first coil spring, The first contact block, the second contact block, and the second coil spring. The advantage of the present invention is that by setting the filter net, the garbage can be intercepted in one place, so that the sewage pipe behind is unblocked; by setting barbs and barbs, the entangled garbage such as hair can be intercepted; All the intercepted garbage is smashed and discharged. By setting the return spring and the contact block, the rotation of the motor can be automatically controlled, so that the blocked garbage can be smashed to clear the water pipe, which is convenient and quick, saving time, effort and money.

The invention relates to a closed quantifiable powder material self-control discharging system which comprises a bin body, a connecting part, a discharging part, a discharging conveying assembly and a control mechanism; a feeding pipeline is arranged at the upper end of the bin body, an electronic weighing mechanism is installed outside the bin body, and the connecting part is a flexible connecting mechanism; the discharging conveying assembly comprises a conveying motor and a discharging screw mechanism; the conveying motor is fixedly installed on the outer side of the discharging part; the lower end of the discharging part is connected with a discharging pipe; the discharging screw mechanism is installed between the discharging part and the discharging pipe; the conveying motor controls operation of the discharging screw mechanism; an air hammer is installed on the discharging pipe; and the electronic weighing mechanism, the conveying motor and the air hammer are all associated with the control mechanism. According to the automatic control discharging system, the situation that a cover is opened manually to dredge powder materials can be avoided, so that harm to human bodies and the environment due to dissipation of the powder materials is avoided, the labor intensity is reduced, and the production efficiency is improved; it is ensured that the powder materials meet the intermittent or continuous discharging requirement, and the production continuity and stability are ensured.

The invention discloses a storage bin body for biomass loose raw materials and particularly relates to a combined layered-dredging multifunctional raw material bin which is arranged in the region easily blocked in the bin body. Three kinds of different acting manners are adopted for dredging of the bin, wherein suspended vibration dredging is adopted for the upper portion, sitting type vertical rotary dredging is adopted for the middle portion, and multifunctional jaw type swing dredging is adopted for the lower portion. The raw material bin is composed of a vibrator, a vibration cylinder body, a suspended adjusting device, a suspended sealing device, a rotary drive device, a rotary cylinder body, a rotary sealing device, an electric push rod, a swing arm rod, a swing shaft and a swing fence. An ascending joint is replaced by a suspended vibration dredging device. An insertion plate door (strip) is replaced by a jaw type dredging device. The raw material bin is novel and clever in design concept and complete and compact in overall structure, the dredging means is targeted, the technical scheme is practical and reliable, and a conveying system is convenient to maintain and overhaul and the problems existing in actual production can be well solved. The combined layered-dredging multifunctional raw material bin has the application and popularization value.

The invention discloses a propeller-driving left-right swinging cutter-suction type desilting robot with a self-correction function. The propeller-driving left-right swinging cutter-suction type desilting robot with the self-correction function includes a platform frame, a ship body, a propeller, a left-right swinging cutter-suction mechanism, a desilting mechanism, a pumping mechanism, a self-correction unit, a controlling unit and a visual unit; the ship body is used as a walking mechanism of the desilting robot and is positioned at the bottom of the platform frame; the propeller offers power to the ship body to move forward under the control of the controlling unit; a buoyancy tank is arranged in the ship body; and the left-right swinging mechanism and the desilting mechanism are operative sections. According to the propeller-driving left-right swinging cutter-suction type desilting robot with a self-correction function, a propeller-driving submarine-type marching method and a left-right swinging cutter-suction desilting method are adopted, sludge collection and sludge pumping are conducted, different environments such as channel deposit and culvert inverted siphon stagnating are fitted, and harmless sequent movable quick desilting is achieved, and the desilting robot can be corrected through the self-correction unit, so that the sludge clearing and barrier eliminating are conducted by the desilting robot reliably.

The invention discloses an in-situ treatment method for improving the environmental quality of surface water, and the in-situ treatment method is used for treating riverway water and comprises the following steps: step 1, arranging an aeration system and a waterweed-like filler; 2, debugging and culturing a microbial system; step 3, continuing to operate the microbial system until the treated river water body reaches a V-type water body; 4, constructing a water ecological system; and step 5, continuing to operate the water ecological system until the treated river water body reaches the IV type water body. According to the method, the water body is purified by in-situ treatment, no land is occupied, and the energy consumption is equal to or lower than that of source-control sewage interception construction sewage treatment facilities; aeration is conducted on the bottom of the water body, sediment is consumed in situ, sediment improvement is facilitated, and desilting investment is greatly reduced or desilting is avoided; microbial flora is enriched through natural aeration, and the water quality treatment effect is good; a water ecological system is constructed, the self-purification capacity of the water body is brought into full play, and water body eutrophication is prevented; automatic operation is achieved, management is convenient, and unattended operation can be achieved.

The invention discloses a treatment method for improving the environmental quality of a riverway water body. The method is used for treating a riverway water body and comprises the following steps: 1,arranging an aeration system and a waterweed simulating filler; 2, debugging and culturing a microbial system; 3, continuously operating the microbial system until the treated riverway water body reaches a V type water body; 4, constructing a water ecological system; and 5, continuously operating the water ecological system until the treated river water body reaches a IV type water body. According to the method, a water body is purified by in-situ treatment, so that no land is occupied, and the energy consumption is equal to or lower than v of source-control sewage interception construction sewage treatment facilities; aeration is conducted on the bottom of the water body, and sediment is consumed in situ, so that sediment quality improvement is facilitated, and desilting investment is greatly reduced or desilting is avoided; microbial flora is enriched through natural aeration, so that the water quality treatment effect is good; a water ecological system is constructed, so that the self-purification capacity of the water body is brought into full play, and water body eutrophication is prevented; and the method has characteristics of automatic operation and convenient management,and achieves unattended operation.