13results about How to "Simple operation and management" patented technology

The present invention proposes a MABR membrane assembly, a MABR reactor, a MABR reactor operation method and a MABR biofilm optimization control method, which adopts a cross-flow working mode between horizontal membrane filaments and water flow to improve the mass transfer efficiency of the matrix and metabolites in the MABR biofilm; the composite structure membrane assembly is used to promote the complementarity and symbiosis of various microorganisms such as carbon removal aerobic bacteria, nitrifying bacteria, denitrifying bacteria and anaerobic ammonia oxidizing bacteria; different areas such as MABR membrane reaction area, pre-reaction area and water distribution and gas distribution area are constructed in the same reactor to complete short-range nitrification or partial short-range nitrification reaction, short-range denitrification reaction and anaerobic ammonia oxidation reaction respectively, so as to achieve efficient biological denitrification of sewage with low carbon-nitrogen ratio in a single-stage MABR reactor. At the same time, the optimization control method of the MABR biofilm solves the problems that the overly thick biofilm in the MABR reactor is not easy to be effectively washed, and the fixed gas washing frequency and intensity are difficult to simultaneously adapt to the biofilm washing and film removal requirements of membrane filaments in different parts.

The invention discloses a heat storage tank-containing heat supply system scheduling method considering heat storage and release role changes, which comprises the following steps of: additionally arranging a heat storage tank in a primary network urban area between an original urban heat supply system pressure separation station and each heating station, and adjusting a supply-demand imbalance operation condition into a supply-demand balance operation condition through the heat storage tank, the urban heat supply system containing the heat storage tank is formed; setting a heat storage tank role change mechanism; based on the corrected heat supply network hydraulic working condition calculation model and a heat storage tank role change mechanism, combining heat load demand change of each heating station and supply and demand imbalance operation working condition identification information, and analyzing the influence on the heat supply network hydraulic working condition during heat supply network flow distribution and heat storage and release of a heat storage tank; the flow of the heat supply network pressure separation station side, the heat storage tank and each heating station in each time period is distributed; correspondingly communicated water pumps and valves are regulated and controlled; and flow distribution and evaluation of regulation and control effects of the water pump and the valve are performed.

The application provides a method and device for treating wastewater by combining a suspended filler floating bed and a soil infiltration system, and the method comprises the following steps: S1, breeding wastewater is treated by the suspended filler floating bed after passing through a hydrolysis tank, and effluent is treated in a sedimentation tank, and wastewater of the suspended filler floating bed is returned to the suspended filler floating bed for secondary treatment; S2, wastewater of the sedimentation tank is returned to the hydrolysis tank; and S3, effluent of the sedimentation tank is introduced into a soil underground infiltration system. The system provided by the application is beneficial to further strengthening the effects of denitrification, phosphorus removal and removal of suspended solids, and solves the problems of low dissolved oxygen content of influent and wastewater in the system, which is not conducive to the growth of nitrifying bacteria, and low effective volume utilization rate. In the use process, the filler does not need to be replaced, and mechanical aeration equipment does not need to be added, and the system has the advantages of low investment cost, no need to add chemical agents for treatment, obvious effect, not easy to breed mosquitoes, simple operation and management, and beautification of the environment, and has remarkable ecological and economic benefits for promoting deep purification of breeding wastewater.

The application discloses a kind of unmanned vehicle logistics directional relay network system and its coordination method, belong to intelligent logistics and unmanned vehicle application technical field, the system includes: multiple cellular airspace units, cellular airspace unit is constituted continuous grid in service area;Deployed in the center of each cellular airspace unit one micro hub, as the ground logistics node of corresponding unit;Wherein, each micro hub includes one terminal nest and at least two relay nests;Terminal nest is used to provide the storage and withdrawal interface of user goods;Each relay nest is arranged around terminal nest, and each relay nest is pre-allocated and fixedly responsible for the bidirectional goods transfer task between the unit where the micro hub is located and a particular adjacent unit;Terminal nest and each relay nest are connected by internal logistics transmission device 103.The application fundamentally simplifies scheduling and management complexity by deep coordination of cellular airspace grid, heterogeneous node division of labor, directional routing rules and high automation.

The application range of the invention comprises but is not limited to the field of rail transit, and discloses a design method structure for fully exerting the transportation capacity of a rail transit line, an original first rail line is abstracted into a line segment, and two ends are respectively set as a point A and a point B as starting and ending points of a new line; the second track line is abstracted into a rectangle, one station C point is selected as a starting and ending point of a new line, the station C is opposite to two starting and ending points A and B of the original first track line, each station C is provided with two optional lines, and the four lines are arranged and combined to form four modes. According to the method, the transport capacity of all stations of the original second track line can be fully exerted, operation management is flexible, the difficulty is controllable, the maximum transport capacity can be achieved by increasing a small number of personnel, the transformation cost is minimized, and the method has huge economic value and social value.

A device and method for treating electron-poor sewage enhanced by iron-carbon sludge membrane based on bubble-free aeration belongs to the technical field of sewage treatment. The present invention solves the problems that the existing membrane oxygen transfer biofilm technology cannot adapt to low carbon-nitrogen ratio sewage, the electron donors generated by the carbon source in the denitrification process are insufficient, and the operating cost of the external carbon source is high. A porous partition plate is vertically fixed in the reactor body, and the inside of the reactor body is divided into an iron-carbon filling chamber and a bubble-free aeration chamber on the left and right by the porous partition plate. The MABR membrane assembly is fixed in the bubble-free aeration chamber and connected to the gas cylinder through an air supply pipeline. An iron-carbon micro-electrolysis filler is arranged in the iron-carbon filling chamber. The water inlet tank is connected to the water inlet of the reactor body through the water inlet pipeline, and the water outlet tank is connected to the water outlet of the reactor body through the water outlet pipeline. The sewage is coupled with the microbial metabolic process of the biofilm attached to the surface of the MABR membrane assembly through the iron-carbon sludge micro-electrolysis process to synergistically remove pollutants in the water.

The utility model relates to a wastewater treatment system for Maotai-flavor liquor. The wastewater treatment system comprises a neutralization tank, an anaerobic tower, an MAP reaction tank, a multi-stage AO tank, a Fenton tank, a powdered activated carbon membrane biological reaction tank and a resin denitrification tank which are connected in sequence, the neutralization tank is connected with a liquid alkali adding device, and the water outlet end of the neutralization tank is connected with the water inlet end of the multi-stage AO tank; the anaerobic tower is provided with a biogas collecting device; the MAP reaction tank is divided into a dosing area, a reaction area and a separation area; the water outlet end of the multi-stage AO tank is connected with the water inlet end of the Fenton tank through the secondary sedimentation tank; the Fenton tank is provided with a Fenton feeding device and a Fenton stirring device; the powdered activated carbon membrane biological reaction tank is provided with a powdered activated carbon feeding device and a membrane biological reaction aeration device, and an ultrafiltration membrane separation device is arranged in the powdered activated carbon membrane biological reaction tank. The wastewater treatment system can efficiently remove COD (Chemical Oxygen Demand), ammonia nitrogen, total nitrogen and total phosphorus in Maotai-flavor liquor wastewater, can recover energy and nitrogen-phosphorus fertilizers, and has considerable environmental benefits and economic benefits.

The utility model discloses a washing and gangue grouting system of a super cyclone. The system comprises a classifying screen, a super cyclone, a coal fixed screen, a coal medium drainage screen, a coal flow divider, a coal magnetic separator, a first coal slime water bucket, a coal medium mixing bucket, a gangue fixed screen, a gangue flow divider, a gangue medium drainage screen, a gangue magnetic separator, a second coal slime water bucket, a gangue medium mixing bucket, a hydrocyclone, an arc-shaped screen, a concentration tank, a first centrifugal machine, a second centrifugal machine and a filter press. The non-pressure feeding super cyclone has the advantages that the non-pressure feeding super cyclone is adopted, high-density gangue discharge of more than 2.0 is achieved through a 1.4 low-density system, desliming is not needed, and the operation management difficulty, the power consumption, the gangue coal carrying amount and the like are greatly reduced; the process flow is simple, the design time is short, the construction period is short, the occupied area is small, the investment is small, the field arrangement is compact, the number of equipment is small, the maintenance amount is low, spare parts are few, operation management is simple, production organization is simple, and the number of users is smaller.

The utility model discloses a domestic sewage treatment system, which is characterized in that two partition walls are arranged in an adjusting tank to divide the adjusting tank into a first small tank, a second small tank and a third small tank, a first drainage end of the first small tank is sequentially connected with an anaerobic tank and an aerobic tank, and a second drainage end of the second small tank is connected with the aerobic tank; a third drainage end of the third small pool is connected with the MBR biological membrane reaction pool, so that after the sewage is divided into three levels of small pollution degree, medium pollution degree and large pollution degree, the sewage of different degrees generated according to the actual water use condition can be specifically treated instead of all the sewage passing through the whole process of the sewage treatment system; therefore, waste of materials in the water treatment process can be avoided, and the overall sewage treatment efficiency can be improved.

A double-line ship lock mutual-charging and mutual-discharging self-balancing water conveying system comprises a first lock chamber, a second lock chamber, a first flow guide opening, a second flow guide opening, a mutual-charging and mutual-discharging water conveying system and a main water conveying system, wherein the first flow guide opening and the second flow guide opening are formed in the middle of the first lock chamber and the middle of the second lock chamber respectively; the mutual-filling and mutual-discharging water conveying system comprises a first inlet and outlet, a second inlet and outlet and a mutual-filling and mutual-discharging gallery, wherein the first inlet and outlet and the second inlet and outlet are located at the bottoms of the first flow guide opening and the second flow guide opening correspondingly. The first flow guide opening and the second flow guide opening are located in the center of the water area plane of the first lock chamber and the center of the water area plane of the second lock chamber, the symmetry center of the water conveying system in the upper half lock chamber and the water conveying system in the lower half lock chamber and the confluence and diversion center of water flow of the main water conveying system and the mutual-filling and mutual-discharging water conveying system. Mutual filling and mutual discharging self-balancing water delivery can be achieved, the ship lockage safety is improved, the number of mutual filling and mutual discharging galleries and valves is correspondingly reduced, the ship lock operation accident probability is reduced, operation management is simplified, and the ship lock operation efficiency is improved.

The utility model relates to rural domestic sewage treatment technical field provides a sewage treatment combined pool, and the denitrogenization phosphorus removal effect of sewage treatment facilities to rural domestic sewage is relatively poor, and the effluent quality is poor, and the problem of high energy consumption of facility operation, including first anoxic tank, anaerobic tank, aerobic tank, oxygen consumption pool, second anoxic tank, air flotation tank, artificial wetland ecological pond, the first anoxic tank and anaerobic tank all are equipped with inlet pipe, be equipped with reflux pipe in oxygen consumption pool, the reflux pipe one end links with first anoxic tank, the artificial wetland ecological pond includes primary filler area and secondary filler area, and is equipped with clearance area between primary filler area and secondary filler area, the air flotation tank includes air flotation area and effluent area, is separated with baffle between air flotation area and effluent area, is equipped with air flotation device in air flotation area.

The utility model discloses a circulating drainage softening treatment system for a coal-fired power plant and belongs to the technical field of drainage softening treatment. A water outlet of the fluidized bed device is communicated with a regulating reservoir of the immersed membrane filtration device, a water inlet pump is communicated with the fluidized bed device, a first precipitant storage tank is communicated with a first precipitant dosing pump, a second precipitant storage tank is communicated with a second precipitant dosing pump, and the first precipitant dosing pump and the second precipitant dosing pump are communicated with the fluidized bed device; the carrier storage tank is communicated with the carrier dosing pump, the carrier dosing pump is communicated with the fluidized bed device, the acid storage tank is communicated with the acid dosing pump, the acid dosing pump is communicated with the immersed membrane filtration device, and the immersed membrane filtration device is connected with the water production tank through the water production pump. According to the utility model, the circulating drainage of the coal-fired power plant is subjected to efficient softening and hardness reduction treatment through a pretreatment system in which the induced crystallization fluidized bed device is coupled with the immersed membrane filtration device, so that the standing time of crystallization reaction is shortened, the recycling of calcium carbonate is realized, and the stable effluent turbidity index is guaranteed.