16results about How to "Save land" patented technology

The present disclosure provides a kind of based on self-consistent distribution unit area flexible interconnection planning method and planning device, including obtaining uncontrollable data of area, based on the uncontrollable data of area, calculate uncontrollable net load of area, the uncontrollable data includes the uncontrollable distributed power generation of area and the rigid load power of area;Based on the uncontrollable net load of area, calculate the complementary matching degree of area in distribution network;The self-consistent distribution unit of the two areas under the highest complementary matching degree of area is selected to plan, the objective function and constraint condition of self-consistent distribution unit are constructed;The objective function is solved, and the planning result is output.The present disclosure can guarantee the safe and economic operation of distribution network, and as far as possible to absorb new energy generation by the above method.

The utility model discloses a land-saving type ball game facility, including blocking and folding part, guide cable part, ball lever, ball body. The blocking and folding part includes one or more than one blocking cable, the guide cable part includes a guide cable, the guide cable is on the blocking cable, or part is below or side of the one or more than one blocking cable, the ball lever includes straight pole, fork pole, hook pole, any one or combination of bent pole, the ball body is tubular body and is worn on the guide cable, and the ball body sliding or flying all do not separate from the guide cable. Through the flight path of tubular ball body that is penetrated and is restricted by the guide cable in the air, can make the ball body not influence ground attachment, also can restrict the activity space and path of personnel in the process of playing ball, thereby breaking the problem that the ball court must use larger area land. This makes the ball court can not occupy the construction land index, realizes the purpose of developing sports.

The application discloses a transcritical CO2 air source heat pump system and a control method thereof. The transcritical CO2 air source heat pump system comprises a carbon dioxide compressor, a gas cooler, an electronic expansion valve, an outdoor fan, a cold storage device, a heat storage water tank, a high-temperature heat accumulator, a low-temperature heat accumulator and a floor buried pipe heat exchanger. The gas cooler comprises a first working medium pipeline and a first heat exchange pipeline for realizing heat exchange. The cold storage device comprises a second working medium pipeline and a second heat exchange pipeline for realizing heat exchange. The heat storage water tank comprises a hot end heat exchange pipeline and a cold end heat exchange pipeline for realizing heat exchange. The transcritical CO2 air source heat pump system can be controlled to be in various working conditions, such as single hot water production, refrigeration and hot water production, single heating, heating and hot water production and the like, by controlling the opening and closing of each component and valve, and is integrated and multipurpose to adapt to different requirements.

The utility model discloses a kind of wastewater denitrification devices for recirculating aquaculture system, it is related to aquaculture wastewater treatment technical field, device includes: aquaculture solid waste collection pipeline is connected wet underground layer anaerobic hydrolysis zone through feed pipe, first water distribution pipe is laid in wet underground layer anaerobic hydrolysis zone and is communicated with feed pipe, wet underground layer anaerobic hydrolysis zone is also provided with sludge discharge pipe, the upper part of wet underground layer anaerobic hydrolysis zone is laid combination filler, water inlet pipe is connected the middle part of wet underground layer anaerobic hydrolysis zone and is connected with second water distribution pipe, the upper part of wet underground layer anaerobic hydrolysis zone is provided with wetland upper layer filler area, the upper part of wet underground layer anaerobic hydrolysis zone is provided with wetland upper layer filler area, wetland upper layer filler area fills wetland upper layer filler, the surface of wetland upper layer filler is planted wetland plant and lays water collection pipe, water collection pipe is connected outlet pipe. The device realizes the utilization of aquaculture solid waste and wastewater denitrification treatment, improves the water resource recycling rate of recirculating aquaculture system.

The invention relates to the technical field of thermal power equipment, and discloses a peripheral multi-column steel frame of a washing and absorbing two-tower-in-one structure, which comprises a steel column inner frame, a steel column outer frame and a horizontal support structure: the steel column outer frame and the steel column inner frame are both of a square frame structure; the steel column inner frame and the steel column outer frame are each of a multi-layer frame structure, each layer of frame is formed by horizontally splicing multiple sections of steel beams, and the adjacent layers of frames are vertically connected through stand columns. The steel column inner frame is arranged on the outer side of the center tower in a surrounding mode, and the steel column outer frame is arranged on the outer side of the steel column inner frame in a surrounding mode. The steel column inner frame and the steel column outer frame are connected and fixed through a horizontal supporting structure. Each layer of filler in the central tower and the pipelines outside the tower transmit loads to the peripheral multi-column steel frame; the tower can be used for bearing the load transmitted by the central tower while realizing the integrated arrangement of the water washing tower and the absorption tower, can effectively reduce the wall thickness of the tower wall, reduces the occupied area, increases the height and capacity of the tower, reduces the construction cost, and can flexibly adjust the corresponding height.

The utility model relates to the technical field of compressed carbon dioxide energy storage, especially to a kind of compressed carbon dioxide energy storage system for recycling abandoned mine resources, including compressed energy storage subsystem, heat storage and heat exchange subsystem, liquefied gasification subsystem, medium-pressure liquid storage subsystem, expansion energy release subsystem, low-pressure gas storage subsystem.This kind of compressed carbon dioxide energy storage system using abandoned mine resources, for the effective development and utilization of mine resources, adopt capsule type flexible single membrane air warehouse structure, without outer membrane, cable net and air supplement system, can effectively reduce the construction cost and period of system, the device is aimed at widely distributed abandoned mine resources, according to the different regional geological conditions inside mine, using mine has certain pressure capacity and shelter effect, stable temperature environment and other favorable factors, effectively combined with compressed carbon dioxide energy storage system application, that is, realized the secondary development and utilization of abandoned mine resources, and promoted the development of compressed carbon dioxide energy storage technology application.

The invention relates to the technical field of thermal power equipment, and discloses a peripheral sparse column steel frame of a washing and absorbing two-tower-in-one structure, which comprises a steel column inner frame, a steel column outer frame and a horizontal support structure: the steel column outer frame and the steel column inner frame are both of a square frame structure, and the horizontal section is rectangular; the central tower is arranged in the peripheral sparse column steel frame; the steel column inner frame is arranged on the outer side of the center tower in a surrounding mode, and the steel column outer frame is arranged on the outer side of the steel column inner frame in a surrounding mode. The steel column inner frame and the steel column outer frame are connected and fixed through a horizontal supporting structure. A plurality of rows of horizontal platforms and a plurality of columns of steel latticed columns are arranged on the peripheral sparse column steel frame, and a large cubic space is formed between the two rows of horizontal platforms and the two columns of steel latticed columns; and each layer of filler in the central tower and the pipelines outside the tower transmit loads to the peripheral sparse column steel frame. According to the invention, the occupied area is reduced, the height and the capacity of the tower are increased and the like while the water washing tower and the absorption tower are integrally arranged, the space is relatively wide, and the possibility of collision with a pipeline can be reduced.

The present application relates to rubber tree seedling breeding field, specifically to a kind of in rubber tree seedling high-efficiency rapid selection high-yield single plant method, comprising the following steps: S1: 2 age rubber tree seedling is sawed, according to the amount of latex flowing out of horizontal sawing surface, preliminary selection is carried out, and preliminary selection seedling is selected;S2: preliminary selection seedling is continued to cultivate 24-48 hours, and on the basis of horizontal sawing surface, continue to cut off 0.2-0.4 cm, according to the amount of latex flowing out of horizontal sawing surface, reselecting is carried out, and reselected seedling is selected;S3: reselected seedling is continued to cultivate 24-48 hours, and on the basis of horizontal sawing surface, continue to cut off 0.2-0.4 cm, according to the amount of latex flowing out of horizontal sawing surface, approval selection is carried out, and approved seedling is obtained;S4: approved seedling is continued to cultivate 20-30 days, and latex is collected for detection, according to the sucrose content of obtained latex, final selection is carried out, and high-yield single plant is obtained.The present application method can be screened at 2-3 age in seedling stage, and the method steps are simple, low in cost, high in screening accuracy.

The application discloses a horizontal tandem shield tunnel structure and a segment blocking method thereof, which determines the total number of longitudinal bolts of each ring in two ring tube groups according to the lifting weight of a shield tunneling machine, the outer radius of the ring and the height of an isolation column; calculates the number of segments corresponding to two rings in each ring tube unit and the number of longitudinal bolts of each segment based on the total number of longitudinal bolts of each ring; wherein the number of segments of two rings in the ring tube unit is not equal; determines the central angle corresponding to the segments of each ring in the ring tube unit based on the number of segments corresponding to two rings in each ring tube unit and the number of longitudinal bolts of each segment; and blocks each ring based on the total number of longitudinal bolts, the number of segments, the number of longitudinal bolts of the segments and the central angle corresponding to the segments, thereby solving the segment blocking problem of the horizontal tandem tunnel structure.

The utility model discloses a kind of stackable pry dress formula micro-sand deposition systems, two pry is set in the top of pry and is fixedly connected by corner piece, several stirring bins, micro-sand deposition mud scraping concentrator, coagulation dosing machine, coagulation aid dosing machine and sludge pump are arranged in pry inside, the top of pry inside is provided with sludge storage hopper;Two pry inside is provided with micro-sand separator, sludge tank, sludge filter press pump and filter press, the above position of the bottom of two pry and located stirring bin and micro-sand deposition mud scraping concentrator is provided with liftable cover plate, the utility model is reasonable in structure, by using standard container modular design realizes quick transport and deployment, and supports two kinds of arrangement modes of paving and stacking, special corner piece is fixed when stacking arrangement, facility whole can save more than 50% land use;The above position of the bottom of two pry and located stirring bin and micro-sand deposition mud scraping concentrator is provided with liftable cover plate, solve the maintenance, operation problem when stacking arrangement.

This invention provides a device for raising ducks in rice paddies, comprising multiple support pillars located above waterlogged areas in the rice paddy, a duck house platform fixed to the support pillars, and a duck house roof. Photovoltaic panels are installed on the duck house roof. Four walls are provided between the duck house platform and the duck house roof, one of which has a duck house door. The duck house door includes a curtain rod and an automatic door. The curtain rod is a tightly arranged curtain that is breathable and prevents insects. The automatic door opens automatically at dawn and closes automatically at dusk. Black lights are installed under the duck house platform to attract and trap insects. Using this device for raising ducks in rice paddies saves land, increases rice yield, and largely automates duck farming management. It reduces the costs of rice planting and duck raising, and improves the quality of rice-duck products due to reduced use of chemical fertilizers and pesticides.

This invention belongs to the field of tissue culture technology and provides a method for rapid propagation of Tibetan Saussurea involucrata via tissue culture, comprising the following steps: From May to July, Tibetan Saussurea involucrata explants are subjected to stepwise sterilization to obtain sterile explants; these explants are inoculated into a starter culture medium for seed germination to obtain callus tissue; the callus tissue is transferred to MS proliferation medium containing 2.0-3.0 mg / L 6-BA + 0.05-0.1 mg / L IAA, and cultured for 21-25 days. TDZ is then added to promote shoot differentiation, while simultaneously reducing IAA to 0.01-0.02 mg / L, and cultured for another 21-25 days to obtain rootless seedlings; these seedlings are then transferred to rooting medium and cultured for 21-25 days to obtain tissue culture seedlings; after hardening off the seedlings for 2-4 days, they are transplanted into a sterile substrate. This method significantly improves the propagation stability and seedling quality of Tibetan Saussurea involucrata via tissue culture by quantifying key process parameters and establishing a multi-dimensional evaluation system.

The utility model discloses a ground torch combustion system suitable for oversized emission of high-carbon gas, and relates to the technical field of combustible tail gas treatment. Comprising a flare tower, a combustor, an air duct and an ignition device, a plurality of forced smoke abatement combustors are arranged around the dead center of the flare tower; a plurality of forced smoke abatement combustors which are arranged into a straight line are arranged at the edge of the flare tower in a radiation manner by taking the part between every two adjacent forced smoke abatement combustors as a starting point; the multiple stages of hexagonal natural air inducing and smoke eliminating combustors are concentric with the center of the flare tower and located at the position close to the edge of the flare tower from inside to outside, and each hexagon is formed by sequentially arranging a plurality of natural air inducing and smoke eliminating combustors; the forced smoke abatement combustor is connected with a forced air inducing pipeline; the natural air inducing duct is arranged in a radioactive manner by taking the center of the flare tower as an original point; the utility model solves the problem that the existing torch type, the construction and maintenance cost and the handling capacity cannot be considered at the same time.

The present application relates to a kind of BUSBAR semi-automatic test riveting equipment, it is related to the field of automated equipment, it includes carousel module, is arranged in the upper feeding transplanting module of carousel module outer circle, laser engraving & detection module, vibration disc A feeding module, riveting module, current resistance test module, vibration disc B feeding module, BIN conveying belt module, high pressure test module, defective product conveying belt;From the upper feeding transplanting module to carousel module is equipped with single-shaft transplanting module, there is handling module A between laser engraving & detection module and carousel module, there is handling module B between vibration disc A feeding module and carousel module, there is handling module C between vibration disc B feeding module and carousel module, there is handling module D between BIN conveying belt module and carousel module, there is handling module E between defective product conveying belt and carousel module.The present application can reduce manual participation, realize multiple tedious process technology, with higher degree of equipment automation to improve productivity, optimize cost.

The application discloses a core concrete pouring operation platform based on a large-cantilever cover beam U-shaped thin-wall shell, and aims at solving the problem of operation difficulty in core concrete pouring of the U-shaped thin-wall shell. The application comprises a steel bracket installed on the top of the cover beam shell body, the upper part of the steel bracket is provided with an operation platform, the steel bracket comprises longitudinal steel supports symmetrically arranged on the two sides of the U-shaped shell body, multiple transverse steel supports are arranged along the length direction of the cover beam shell body, and the multiple transverse steel supports are cross-sectioned with multiple angle steel support frames in the inside of the cover beam shell body. The operation platform is suitable for core concrete pouring operation of a large-cantilever prefabricated thin-wall cover beam formwork, has the advantages of convenient installation and removal, stability and reliability, and greatly simplifies the high-altitude operation link through optimization of the construction process, thereby improving the construction efficiency and operation safety.

The utility model discloses a single-reflux integrated AOA sewage treatment device which comprises an anaerobic tank, a first selection tank, an aerobic tank, a second selection tank and an anoxic separation tank, aerators are arranged in the first selection tank, the second selection tank and the aerobic tank; a sludge-water double-separation device is arranged at the upper part of the anoxic separation tank; the system further comprises a sludge return system, the sludge return system comprises a return sludge pipe, a return sludge pump is mounted on the return sludge pipe, and sludge separated by the anoxic separation tank is conveyed back to the anaerobic tank. According to the utility model, the AOA process of ultimate nitrogen and phosphorus removal is adopted, the selection tank is arranged, so that the debugging operation has a space for later adjustment, the working procedures of the anoxic separation tank, the mud-water double-separation device and the like are combined together, the investment and land are saved, and the generation of bubbles with mud in effluent is avoided. And a single reflux technology is adopted, so that energy conservation is facilitated.