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50results about How to "Unimpeded drainage" patented technology

Technology for processing coastal glehnia root medicinal materials in planting and producing area and quality standard

The invention discloses technology for processing coastal glehnia root medicinal materials in a planting and producing area and a quality standard. The technology comprises the following steps of: natural environment and planting field selection, seed treatment, sowing and seedling, field management, pest prevention and control, harvesting, processing and quality control standard. The producing area with an atmosphere environment and a soil environment both reaching a good agricultural practice (GAP) standard is selected in the sowing step; in the production management process, any harmful synthetic chemical substance is not used or a limited amount of appointed synthetic chemical substance is allowed; the production and processing are performed according to a production operating procedure worked out by GAP requirements; check and detection are performed; sandy or semi-sandy soil with loose and fertile soil texture is selected; if seeds are sowed in spring, the seeds are required to be stored in sand at low temperature; in the field management step, the water content of soil is controlled and reasonable relative humidity is kept; buds are picked timely; the pest prevention and control work is well performed; after harvesting, the coastal glehnia root medicinal material which is peeled or not peeled is processed timely, wherein the medicinal effect is better if the coastal glehnia root medicinal material is not peeled; and fingerprint and content measurement is added in the quality control, so the quality control standard is raised.
Owner:INNER MONGOLIA TIANQI HAN&MONGOLIA PHARMA CO

Geo-technical frozen soil frost heave experiment machine

The invention discloses a geo-technical frozen soil frost heave experiment machine. The experiment machine comprises the an insulation can; the insulation can comprises a first insulation chamber and a second insulation chamber; a heating device and a refrigeration apparatus are arranged on an inner wall of the first insulation chamber; a base plate is arranged in the first insulation chamber, an organic glass cylinder is arranged on the base plate; a top board is arranged on the upper end of the organic glass cylinder, a pressurization apparatus is arranged on the top board; several water tanks are arranged in the top board, externally connected cold bath is connected with the water tanks through thermotropic circulation solution inlet / outlet pipelines; a pressure transducer is arranged in the organic glass cylinder; through combination of a load transducer and a measuring cylinder, data acquisition for water-absorbing capacity and water-discharge capacity during a determination test process can be determined, change of water volume can be detected by the load transducer, and can be displayed by a data collector, the data is stored by an instrument, so that real-time change of water-absorbing capacity and water-discharge capacity of frozen soil during a freeze thawing process can be obtained.
Owner:TIANJIN GANGYUAN TEST INSTR FACTORY

Primary rainwater purification device

The invention discloses a primary rainwater purification device which comprises a finished product box, a cover plate, an inner chamber and an outer chamber, wherein a sewage intercepting basket is fixed at the middle part of the inner chamber; a water inlet pipe communicated with external sewage is arranged at the position, above the sewage intercepting basket, in the inner chamber; an inner overflow port and oil absorption cotton attached to the inner wall of the inner chamber are arranged in a region, at the lower part of the sewage intercepting basket, of the inner chamber, and the inner overflow port is higher than the oil absorption cotton; a seepage hole is formed in a bottom plate of the finished product box; a reinforced filtering material bag is arranged in the region, in the inner chamber, above the bottom plate of the finished product box; and common filtering filler is arranged in the region, between the outer chamber and the inner wall of the finished product box, above the bottom plate of the finished product box. The primary rainwater purification device can effectively control non-point source pollution in light rain, and the filtered water can directly infiltrate for nourishing the green area; and the primary rainwater purification device can economically and effectively control non-point source pollution in heavy rain and can keep drainage unblocked. A plurality of assemblies are synergistic, so that installation and maintenance are convenient.
Owner:SHENZHEN ECO VISTA TECH CO LTD

Later-period sub-dam stacking and dam face drainage ditch arrangement mode for tailing pond

The invention discloses a later-period sub-dam stacking and dam face drainage ditch arrangement mode for a tailing pond. In the later-period damming process of the tailing pond using an upstream-type tailing damming method with mill tailings, the slope surfaces of later-period stacked sub-dams are controlled according to the initial stage dam body axis of a designed slope requirement aspect, and meanwhile damming needs to be conducted from dam abutments at the two sides of the slope aspect of the stacked sub-dame central axis; dam abutment drainage ditches are constructed in a mountain body and located at the connecting positions of the later-period stacked sub-dams and the mountain body, and are further connected with a dam abutment drainage ditch of an initial stage dam body; a stair of packway is arranged every time when the height of the later-period stacked sub-dams is vertically increased by 5 meters, and the packway width reaches the designed requirement; slope surfaces are designed from the middle of each packway to the dam abutment drainage ditches in the two sides of the slope aspect, and each formed packway is high in the middle and low at the two ends; dam face longitudinal drainage ditches are built on each packway and are based on the dam abutment drainage ditches in the two sides of the slope aspect of the same packway; and a dam face transverse drainage ditch used for junction is built between every two adjacent levels of packway dam face longitude drainage ditches.
Owner:JIANGXI RARE EARTH & RARE METALS TUNGSTEN GRP

HVAC assembly for truck air conditioner and available to both left hand drive mode and right hand drive mode

The present invention provides an HVAC assembly common to left and right rudders of truck air conditioners, including a first unit subassembly 100 and a second unit subassembly 300; the first unit subassembly 100 includes an upper shell assembly 102, a lower shell The body assembly 101; the upper shell assembly 102 includes: functional air duct components and heating components, the functional air duct components include a front blowing surface air duct 106, a left blowing surface air outlet 107, a right blowing surface air outlet 108, a positive defrosting air outlet 111, a left Defrosting air outlet 112, right defrosting air outlet 113, left blowing foot air outlet 109, right blowing foot air outlet 110; heating element is set as warm air heater 103, warm air heater 103 is connected with water inlet servo through warm air heater inlet and outlet pipe 104 The solenoid valve 306 is connected; the second unit subassembly 300 includes a return air duct housing assembly 308 and an evaporator assembly 309 . The HVAC assembly of the present invention has a compact structure, is a common structure for left and right rudders, has good refrigeration and heating effects of the air conditioner, is convenient to disassemble and assemble, and has low maintenance cost, and is suitable for batch application in truck air conditioners.
Owner:青岛市星禹汽车零部件有限公司

Normal-pressure multichannel papermaking drying cylinder

The invention discloses a normal-pressure multichannel papermaking drying cylinder which comprises a cylinder body. The drying cylinder is characterized in that a plurality of heat conducting channels which are uniformly distributed are laterally or longitudinally arranged in the cylindrical cylinder wall of the cylinder body; one end of each heat conducting channel is communicated with a steam input pipe, and the other end is communicated with a condensed water output pipe; and the steam input pipe and the condensed water output pipe are respectively communicated with a steam inlet and a condensed water outlet of a rotary joint. When steam enters the heat conducting channels of the cylinder body of the drying cylinder with the structure, the cylindrical cylinder wall of the cylinder body emits heat, heat is transferred to wet paper to be dried on the surface of the cylinder wall, and the wet paper is heated and water evaporates, so that the purpose of drying is achieved. As the drying cylinder body adopts an open structure, and pressure only exists in the heat conducting channels, the drying cylinder body does not belong to a pressure container. The drying cylinder belongs to a normal-pressure drying cylinder, has a simple structure, is high in temperature and heat transfer efficiency, low in weight, smooth in steam flowing and condensed water discharging, and low in manufacture cost.
Owner:广西广逸环保科技有限公司

Double-layer filtering floor drain with insertion port for washing machine water outlet pipe

The invention discloses a double-layer filtering floor drain with an insertion port for a washing machine water outlet pipe. The double-layer filtering floor drain comprises a floor drain body, the upper end of the floor drain body is provided with a stepped first large round concave hole and a second large round concave hole, the lower end of the second large round concave hole is provided with a communicated large round through hole, an upper leaking cover is arranged in a cavity at the lower end of the first large round concave hole, a first filtering hole is formed in the plate thickness of the upper leaking cover, the plate thickness center of the upper leaking cover is provided with a large round pipe, an anti-sliding line is arranged outside the diameter of the upper end of the large round pipe, and an internal thread is arranged in the wall thickness at the lower end of the large round pipe. A lower leaking cover is arranged in a cavity at the lower end of the second large round concave hole, a second filtering hole is formed in the plate thickness of the lower leaking cover, and the plate thickness center of the lower leaking cover is provided with a small round pipe. An external thread is arranged outside the diameter of the small round pipe, and the upper end of the large round pipe can be provided with a plug cover. A water outlet of the washing machine water outlet pipe can be inserted conveniently, so that no slit is reserved between the washing machine water outlet pipe and the floor drain, an original dirty water filtering function can be maintained, and the double-layer filtering floor drain is reasonable in structure, convenient and practical.
Owner:吴凰

Carbon dioxide heat pump evaporator

PendingCN112097412AReduce energy consumption for defrostingImprove overall low temperature performanceCompression machinesEvaporators/condensersWater circulationElectric heating
The invention discloses a carbon dioxide heat pump evaporator. The carbon dioxide heat pump evaporator comprises a fixing base, side evaporator bodies, an evaporator tray and a defrosting drainage system, wherein the side evaporator bodies are arranged on the left side and the right side of the fixing base separately and are provided with defrosting water circulation channels, and the evaporator tray is arranged at the bottoms of the side evaporator bodies and is used for supporting the side evaporator bodies; the defrosting drainage system comprises a plurality of defrosting electric heatingpipes, water receiving tanks, water tank electric heating mechanisms and drainage pipes, wherein the defrosting electric heating pipes are arranged in the side evaporator bodies in an inserted mode, the water receiving tanks communicate with the defrosting water circulation channels, the water tank electric heating mechanisms are used for heating the water receiving tanks, and the drainage pipes communicate with the water receiving tanks and are provided with pipeline electric heating tracing bands; and the evaporator tray, the water receiving tanks and the drainage pipes are sequentially arranged from top to bottom. The carbon dioxide heat pump evaporator is suitable for low-temperature areas, particularly for severe cold areas, and has the characteristics of being short in defrosting time, smooth in drainage and the like.
Owner:JIANGSU SUJING GROUP +1

Novel overpressure protector for coal gas drainer

The invention relates to a novel overpressure protector for coal gas drainer, which is applicable to various field situations. The invention comprises a gas-water separator and a leakage stopping device which is connected with the gas-water separator, and is characterized in that the gas-water separator is composed of a water baffle, a gas-guide tube for gas-water separator and a draft tube for gas-water separator, wherein, the water baffle is arranged in the inner side of the water inlet of a drain pipe of the leakage stopping device and is connected with the upper part of the drain pipe of the leakage stopping device; the gas-guide tube for gas-water separator is arranged on the water baffle; the draft tube for gas-water separator is connected with the lower part of the drain pipe of the leakage stopping device; the upper surface of the outlet of the gas water separator draft pipe is on the same horizontal line with the bottom end of the valve cap of the leakage stopping device in vertical state; the valve cap with a sealing ring in the leakage stopping device is manufactured by adopting materials with buoyance force characteristics. Compared with current overpressure protector for coal gas drainer, the invention has simpler structure, no flexible parts, easy manufacturing, convenient checking and maintenance, reliable performance and long service life; the critical zone is zero; the invention can restrain tightly overpressure coal gas, drain away water in great quantities unobstructedly, and prevent the evaporation of water content.
Owner:于晓峰

Full-width seamless integrally-formed asphalt paving method for old road extension

The invention provides a full-width seamless integrally-formed asphalt paving method for old road extension. An anti-segregation paver is adopted to pave an old road and a new road at the same time toform a straight slope structure; in the asphalt paving process, the discharging amount of two spiral pavers is adjusted according to the paving thickness difference of an old road and a new road, themain vibration amplitude and the auxiliary vibration amplitude of the anti-segregation paver are adjusted to enable the transverse compactness to be uniform and consistent, and the full-width longitudinal-joint-free integrally-formed asphalt pavement is achieved. Compared with an existing process of paving by multiple pavers in parallel, the problems of different elevations of new and old pavements, different settlement of the old pavements and poor transverse and longitudinal flatness which are commonly seen in four-to-eight changes in highway reconstruction and extension projects are solved. The transverse straight slope and the longitudinal seamless reconstructed and expanded expressway are built in the true sense, the design initial intention of the cross section straight slope is achieved, and the paved road surface is smooth in drainage, comfortable in driving, safe, durable and capable of achieving resource utilization. Efficiency is high and quality is good.
Owner:SHAANXI ZHONGDA LIDING TECH CO LTD +1

Secondary-bearing viticulture method

The invention discloses a secondary-bearing viticulture method, including the steps of (1), pruning grapevines in early-mid January in winter; (2), spraying a dormancy breaking agent A when the internal mean daily temperature of a greenhouse reaches 5-10 DEG C; (3), waiting for germinating in the middle ten days of February and blooming in the middle ten days of April; (4), lifting four sides of the greenhouse film and changing into the mode of under-shelter cultivation in the early ten days of May; (5), selecting cluster when first crop of fruit enters the swelling period; (6), secondary pruning; (7), applying organic fertilizer and compound fertilizer for one time before germination of second crop of fruit; (8), waiting for germination of winter bud of second crop of fruit in the last ten days of August; (9), selecting cluster when second crop of fruit enters the swelling period, and performing top application of compound fertilizer for one time. According to the secondary-bearing viticulture method, cultivation of grapevines is improved based on facility, germination, blooming and bearing of grapevines are earlier than usual, secondary germination is achieved after the first crop of fruit is harvest and on the market, so that the cultivation mode of yielding two crops a year is achieved by combining early-maturing promoting and culture delaying according to the post thermal-insulation and culture delaying technology.
Owner:ZHENJIANG WANSHAN HONGBIAN AGRI PARK

Impermeable drainage construction method for complex soft rock tunnel

The invention provides an anti-seepage drainage construction method for a complex soft rock tunnel. The construction method comprises the following steps: step 1, geological survey; 2, tunnel excavation construction is carried out; 3, monitoring and measurement are conducted, specifically, dynamic monitoring and measurement are conducted on the tunnel surrounding rock, and related data of ground surface settlement, in-tunnel vault settlement, arch foot settlement and periphery convergence are collected; 4, advanced geological forecasting: advanced forecasting is carried out on surrounding rock and stratum conditions in front of and around the tunnel face by adopting an advanced drilling method; 5, well point dewatering is conducted, specifically, well point pipes directly inserted into the water storage layer are buried around the foundation pit, and underground water is continuously pumped out through the well point pipes through water pumping equipment till the underground water level is lowered to the position below the preset pit bottom; 6, advanced pre-grouting construction is conducted, specifically, drilling grouting is conducted on surrounding rock in front of and around the tunnel face, and the surrounding rock is reinforced; 7, construction of a drainage structure, wherein the drainage structure for draining underground water and surrounding rock seepage water is installed behind the tunnel face; and step 8, secondary lining construction.
Owner:浙江交工宏途交通建设有限公司

Gutter inlet structure for building sponge city and construction method thereof

The invention discloses a gutter inlet structure for building a sponge city and a construction method thereof. The gutter inlet structure comprises a rainwater well, wherein the rainwater well comprises a well body, a well bottom and a wellhead, a drainage pipe is arranged in the well body, a rainwater grate is arranged at the wellhead, the rainwater grate comprises a cover body, a top face and a bottom face, a row of first drainage holes and a row of second drainage holes are respectively formed in the two sides of a transverse plate, a motor is fixed to the well body, an output shaft of the motor is fixedly connected with a first transverse rod, a plurality of first cams are fixed to the first transverse rod, the well body is rotationally provided with a second transverse rod and two third transverse rods, a first gear is fixed to the first transverse rod, a second gear is fixed to the second transverse rod, a third gear is fixed to the third transverse rod, a plurality of second cams are fixed to the second transverse rod, and the first cams and the second cams are driven by the motor to push sundries on the cover body to the outside of the rainwater grate, so that the first drainage holes and the second drainage holes are prevented from being blocked by the sundries, and the drainage of the gutter inlet structure is unblocked.
Owner:深圳市鹏城建工工程有限公司

Slope drainage device with double flanges

The invention provides a slope drainage device with double flanges, and belongs to the technical field of building indoor drainage equipment. The slope drainage device with the double flanges comprises a bottom box, a floor drain hole and a double-flange structure. According to the slope drainage device, the bottom box is a waterproof bottom box which is integrally formed by plastic molding, so that the requirement of a waterproof function is met; the slope drainage device can be customized according to the size and specification of a house type, so that the pluralistic design is satisfied; afirst baffle is arranged around the bottom box, so that water in the bottom box is blocked and is prevented from flowing out; the top end of a second baffle is abutted with a wall panel, so that seamless connection of the bottom box and the wall panel is realized; secondary processing is not needed on site, so that the installation efficiency is high; and water in the bottom box is guided to the floor drain hole by a drainage slope, and the floor drain hole is formed in the lower position of the bottom box, so that water on the slope in the high position can flow into the floor drain hole under the action of gravity, water accumulation is prevented from being formed on the bottom box so as not to damage the bottom box, and efficient drainage can be realized.
Owner:ZHEJIANG YASHA DECORATION
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