62results about How to "Guarantee governance effect" patented technology

The invention discloses a reinforcing and treating method for a water burst of a soft-flow muddy stratum of a foundation pit. The method includes the following steps that firstly, the hydrogeological condition of a region is detected and a grouting treatment region is divided according to engineering requirements; secondly, when the soft-flow muddy stratum is excavated, mold bag grouting pipes are installed in the grouting treatment region at set intervals in a set arrangement mode, paste is injected in filter cloth bags in the mold bag grouting pipes, the filter cloth bags expand due to the injected paste, a surrounding soft soil stratum is then compacted, and after the paste in the filter cloth bags is hardened, a grouting stop layer is formed by the hardened paste and surrounding compacted soil jointly; and thirdly, soft soil strata located below the grouting stop layer are grouted and reinforced through grouting screen pipes of the mold bag grouting pipes.

The invention discloses an electric energy quality control system and method of a low voltage distribution network. The system comprises an electric energy quality active compensation unit, a system controller, a passive reactive compensation unit and a commutation switch block; the electric energy quality active compensation unit has functions of harmonic wave treatment, reactive compensation andthree phase imbalance adjustment; the passive reactive compensation unit realizes reactive compensation and has the three phase imbalance treatment function to certain extent; the commutation switchblock adjusts rules of three-phase imbalance regularly of the low voltage distribution network with short circuit among phases; and the system realized ordered high-efficiency operation of the electric energy quality active compensation unit, the passive reactive compensation unit and the commutation switch block. Different electric energy quality problems of the low-voltage distribution network can be solved effectively, the treatment effect is ensured, and the system loss is minimized as possible.

The invention discloses soil pollution control equipment with dual stirring mechanisms. The soil pollution control equipment comprises a shell, a feeding inlet, stirring rods, a liquid storage barreland a water inlet, wherein two stirring rods are arranged at the inner part of the shell; the upper surface of the shell is fixedly connected with a first motor; a driving gear is arranged on a shaftextension end of the first motor in a sleeving way; driven gears are arranged on the stirring rods in the sleeving way; smashing blades are distributed on the surfaces of the stirring rods; the innerparts of the stirring rods are hollow; the right side wall of the shell is fixedly connected with the liquid storage barrel. During a soil repairing process, stirring bars and stirring blades are utilized for stirring a repairing agent, sedimentation of the repairing agent is prevented, a soil control effect is ensured, the repairing agent is conveyed into the stirring rods while the repairing agent is stirred, and the repairing agent can be discharged into soil through water spraying holes, so that the soil can be repaired; through the arrangement of the two stirring rods, the soil can be smashed and stirred by utilizing the smashing blades on the stirring rods while the soil is controlled, and the soil can be fully mixed with the repairing agent, so that a soil repairing effect is increased.

The invention relates to a method for treating saline-alkali soil, in particular to a method for treating saline-alkali soil through a dialysis type high platform ladder grading groove ridge. The method aims at resolving the technical problem that soil hardening is easily caused in the existing method for treating saline-alkali soil by utilizing an irrigation and drainage system, and the improvement effect is short in time duration in the chemical method for treating saline-alkali soil. The method includes building a dialysis type high platform ladder grading groove ridge system on the saline-alkali soil which comprises a drainage main groove, secondary dry grooves, fur grooves, a one-way infiltration neutralization well, a two-way infiltration neutralization well and a slope protection belt, enabling the drainage main groove, the secondary dry grooves, the fur grooves to form a gridding system with the middle high and the periphery reduced in the ladder shape, setting the one-way infiltration neutralization well in the secondary dry groove, setting the two-way infiltration neutralization well at the position of an intersection opening of the two secondary dry grooves and conducting crop shifting agriculture on saline-alkali soil parcel defined by the fur grooves to finish treatment of saline-alkali soil. By means of the method for treating saline-alkali soil, alkalinity is reduced by 60% and salinity is reduced by 70% after 1 year to 2 years.

The invention discloses a malodorous gas comprehensive treatment device. The device comprises an alkali washing section tank arranged, an acid washing section tank, a biological purification section tank, an adsorption purification section tank and a photocatalytic oxidation section tank side by side. Adjacent tanks are separated by means of a partition with channels. The above units are connectedin series by means of the channels on the partition. The alkali washing section tank and the photocatalytic oxidation section tank are respectively connected with an air inlet and an air outlet. Spray washing components for performing alkaline spray washing and acid spray washing are arranged inside the alkali washing section tank and the acid washing section tank, respectively. A biological purification module is arranged in the biological purification section tank for purifying the malodorous gas. An adsorption purification module for adsorbing malodorous gas is arranged inside the adsorption purification section tank. A photocatalytic module for catalytically oxidizing the malodorous gas is provided inside the photocatalytic oxidation section tank. The malodorous gas comprehensive treatment device provided by the invention has a high purification efficiency, not only the working environment of a worker is improved, the physical and mental health of an operator is guaranteed, but also the overall occupied area of the device is small, and the maintenance and replacement are convenient.

The invention discloses environment-friendly sludge treatment water recycling equipment which comprises a shell, a water tank, a stirring tank, an ionization rod, an ultraviolet light lamp, stirring blades, an extruding tank, a water filtering plate, a heater and an aerator, wherein a feeding pipe is arranged at the top end of the shell; the water tank is arranged on a side wall of the shell; a filter mesh is arranged at one end of a water conveying pipe; the other end of the water conveying pipe is arranged above the feeding pipe; the feeding pipe is communicated with the stirring tank; a dosing pipe is arranged at the top end of the stirring tank; a stirring motor is mounted on the stirring tank; the ionization rod is arranged in the stirring tank; the ultraviolet light lamp is mounted in the stirring tank; the aerator is communicated with a bottom end of the stirring tank; the bottom end of the stirring tank is communicated with the extruding tank by a material conveying pipe; the heater is mounted inside the extruding tank; and the bottom end of the extruding tank is connected with the water tank by a water guiding pipe. The environment-friendly sludge treatment water recyclingequipment provided by the invention improves sludge treatment effect and efficiency, reduces breeding and spreading of harmful bacterial viruses, ensures health and safety, saves water resources, avoids waste of resources, has a simple structure, is convenient to use, and benefits for promotion.

The invention provides a three-phase imbalance governance method based on a cloud service system. The three-phase imbalance governance method comprises the following steps of: acquiring current data and voltage data in a power grid; transmitting the current data and the voltage data to the cloud service system; processing the current data and the voltage data by the cloud service system so as to generate a three-phase imbalance governance scheme library; and accessing corresponding capacitors and inductors to a circuit according to the three-phase imbalance governance scheme library. On the basis of recent data, a three-phase imbalance governance scheme is made through the cloud service system; therefore, the governance effect is ensured; switching of the capacitors and the inductors for many times is also avoided; the service lives of the capacitors and the inductors are prolonged; and the accuracy degree of the three-phase imbalance governance scheme is improved through normalization treatment of acquired data and calculation of the imbalance degree.

The invention relates to a biological deodorization and energy-saving spraying device, comprising a diaphragm pump electromagnetic valve filter and a PVC soft pipe. The main technical performance is that a drug suction pipe part in an automatic control system is matched with an emptying electromagnetic valve which can automatically start pressure release after medical solution is sprayed and ensures that no dropping phenomenon occurs to a nozzle; meanwhile, the water with released pressure has backwashing function to a filter. The invention has the beneficial effects of 1. a circular timing shift mode is adopted, a programmable timing program is used for controlling, the intermittent spraying time can be controlled and the spraying time of one or a plurality of nozzles can be controlled; 2. according to the characteristic generated by peculiar smell in controllable range and the consistency of the peculiar smell in the space, the disposal effect is ensured, meanwhile, by an internal selection switch and the adjustment of the running program, the loss of the working liquid is reduced to greatest extent, and the cost is reduced; 3. the device has simple operation, automatic running and only the liquid is need to be replaced; 4. the performance is stable, the maintenance is basically not required and the civil building investment is not needed.

The invention discloses a filling treatment method for surface collapse of shallow-buried karst caves of a karst area. According to the method, the excavation earthing gradient is designed according to distribution and development situations of the shallow-buried karst caves detected out through exploration; the karst caves are filled with gravel to corresponding cave openings after excavation, and the gravel filling the caves is 200-800 mm in diameter; then geotechnical cloth is laid on a slope to the ground and outwards extends by the length not smaller than 1.5 times the pit depth; after laying is completed, the cave openings are filled with graded gravel to the ground and tamping in layers is conducted; and nutrient soil is laid on the surface layer backfilled with the gravel and vegetation is planted. Disadvantages of a conventional filling method are avoided; and not only is the anti-collapse and water guide treatment effect guaranteed, but also certain durability is achieved. Engineering practice proves that the filling method has relatively good practicability and can be used for treatment for the karst surface collapse. The filling treatment method for the surface collapse of the shallow-buried karst caves of the karst area has a relatively good environmental protection effect, materials are easy to obtain, and the cost is low.

The invention discloses a parching method for indoor pollution governance, which comprises room governance. The room governance comprises indoor temperature rise, heat preservation and repeated operation for several times; the volatilization of volatile organic substances contained in facilities in a room is quickened in a heating mode by combining the properties of the volatile organic substances; meanwhile, operation indexes such as heating temperature, heating frequency, heating times and the like are scientifically and reasonably formulated so as to shorten the governance time and improve the governance efficiency when the indoor facilities are not damaged and the governance effect is ensured; the whole method has simple operation and easy implementation; and after the newly-decorated room is governed by adopting the method, the total concentration of the volatile organic substances in the indoor air is equal to or less than 0.6 mg / m<3> through detection according to a national standard detection method.

The invention discloses an environment-friendly soil control device. The environment-friendly soil control device comprises a tank body, a smashing mechanism and a spraying and mixing mechanism, wherein a feeding pipe is arranged at the top part of the tank body; the smashing mechanism is arranged in the tank body; the smashing mechanism comprises smashing cutters and smashing rollers; the spraying and mixing mechanism comprises a dispersion cover, atomizers and a stirring plate. According to the environment-friendly soil control device disclosed by the invention, through the smashing rollerswhich are equidistantly distributed in the tank body and smashing teeth distributed on the smashing rollers in a staggered way, soil can be screened, the soil can be further smashed, and blockage canbe prevented; through the dispersion cover and the atomizers which are arranged, falling soil is in a curtain shape, and a soil repairing agent is in full contact with the soil, so that a mixing effect is increased, and a control effect is ensured.

The invention discloses a method for enriching and stabilizing mercury in coal-fired flue gas by using a blast furnace slag modified desulfurizer. The method comprises the following steps: using an FGD desulfurizer slurry, using blast furnace slag as a modifier, and mixing the blast furnace slag and the desulfurizer slurry according to a mass ratio of the blast furnace slag to a dry desulfurizer of 1 to 2-3 to form iron manganese oxide-desulfurizer mixture system so as to prepare a desulfurizing-mercury capturing composite slurry; then using the desulfurizing-mercury capturing composite slurryfor desulfurizing the coal-fired flue gas and enriching and absorbing the mercury in the coal-fired flue gas. According to the method, the blast furnace slag and the desulfurizer are mixed to preparethe desulfurizer slurry for desulfurizing flue gas in a coal-fired power plant; toxicity leaching and volatilization testing are performed on the mercury in an obtained desulfurization material, themercury in the obtained desulfurization material is more stable than ordinary desulfurization gypsum, the concentration of the leached mercury is lowered, the volatile release rate is greatly reduced,and the inhibitory effect on an environmental mercury pollution source is strong. Therefore, the method is of a great significance in atmospheric environmental protection.

The invention provides a soil treatment and improvement method, and relates to the field of soil treatment. A soil turning mechanism and an injection mechanism are included, the injection mechanism is arranged on the soil turning mechanism, polluted soil can be subjected to medicine injection governing and improving in an automatic mode, the utilization rate of medicine can be guaranteed to the maximum extent, the treatment efficiency is improved, and also unnecessary waste of medicines can be reduced. Secondly, the soil can be turned and loosened, so that the bulkiness of the soil is improved, the permeation area of liquid medicine is increased, and it is guaranteed that the liquid medicine per unit volume can conduct soil treatment and improvement to the maximum extent. In addition, the injection mode can be better than a traditional spraying mode for soil treatment, and the treatment efficiency is improved.

The invention discloses a river treatment device for black and odorous water body. The river treatment device comprises a fixing frame and a bracket, a power mechanism is connected to the outer side of the fixing frame, a baffle is connected to the inner side of a shell body, a leakage net is installed on the inner side of the baffle, a supporting plate is fixed to the outer side of the shell body, a gripper is arranged on the outer side of the middle of a shaft rod, a base is arranged on the inner side of the supporting plate, a top plate is arranged at the top of the inner side of the fixingframe, an adjusting rod is connected to the middle of the top plate, an upper fixing plate located at the top of the fixing frame is arranged on the lower part of a clapboard, and a connecting plateis connected between the upper fixing plate and a lower fixing plate. According to the river treatment device for black and odorous water body, floating garbage in the water body is conveniently and directly refloated, the moving direction of the treatment device is conveniently controlled, the river treatment work of slow-release drugs and floating plants are conveniently matched, and the workingeffect is advantageously ensured.

The invention provides a comprehensive anti-outburst method of a great buried depth gently inclined coal bed area, and relates to the technical field of coal mine safety. According to the comprehensive anti-outburst method of the great buried depth gently inclined coal bed area, by firstly carrying out an anti-outburst measure on a stoping working surface machinery roadway of a great buried depth gently inclined coal bed, and then carrying out an anti-outburst measure on a stoping working surface, pumping and mining of vas on a tunneling working surface are achieved, pumping and mining of vas on the stoping working surface are also achieved, the problem that the vas exceeds the limit in a working surface mining process can be prevented, and the cost and workload in controlling the vas are sharply lowered. Besides, through anti-outburst effect verification and region verification which are conducted after the anti-outburst measure is carried out, the vas controlling effect of the anti-outburst measure is guaranteed, and safe mining of an outburst dangerous coal bed is guaranteed.

The invention discloses a tunnel and underground engineering high-pressure high-flow-rate sudden surging water control method. The method comprises the following steps that (1) a developing rule of a space with a water guide structure is detected and analyzed; (2) high-pressure high-flow-rate sudden surging water is subjected to flow division pressure relief; (3) high-pressure high-flow-rate sudden surging water points are sealed; (4) the high-pressure high-flow-rate sudden surging water is subjected to grouting control; (5) the control effect on the high-flow-rate sudden surging water is checked; (6) after the control on the high-flow-rate sudden surging water is completed, the digging is continuously carried out at a tunnel work area; (7) seeping water of dug local wall rock is controlled. The method provided by the invention has the advantages that the control standardization and the feasibility of the high-flow-rate sudden surging water can be improved, a set of grouting effect checking method and checking standards is provided, and the control effect is guaranteed; through a provided digging method after the sudden surging water control, the possibility of occurrence of secondary sudden surging water disasters is effectively reduced.

The invention discloses a screening device for environmental protection treatment of riverway silt. The device comprises a shell, a water tank, a stirring tank, an ionization rod, an ultraviolet lightlamp, mixing blades, an extrusion tank, a drainage plate, a heater and an aeration machine, wherein a feeding pipe is arranged at the top end of the shell; the side wall of the shell is provided withthe water tank; a filter screen is arranged at one end of a water conveying pipe, and the other end of the water conveying pipe is arranged above the feeding pipe; the feeding pipe is communicated with the stirring tank; a chemical feeding pipe is arranged at the top end of the stirring tank; the stirring tank is provided with a mixing motor and is internally provided with the ionization rod; theultraviolet light lamp is installed in the stirring tank; the aeration machine is communicated with the bottom end of the stirring tank by means of a vent pipe; the vent pipe is provided with the heater; the bottom end of the stirring tank is connected with a screening box by means of a feed delivery pipe. The screening device improves the treatment effect and efficiency of the silt, reduces thebreeding and spreading of harmful bacteria and viruses in the silt, guarantees the health and safety, saves the water resource, and avoids resource waste; the screening device is simple in structure,convenient to use and suitable for being popularized.

The embodiment of the invention discloses a method for optimal configuration of voltage sag treatment equipment. The method comprises the following steps: step 100, establishing a system topology model and parameters; step 200, selecting a fault point and a fault type by using a type-2 fuzzy system in combination with a Monte Carlo simulation method; step 300, calculating the voltage deviation ofeach node caused by the fault according to the fault point and the fault type; and step 400, with the voltage sag governing equipment installation cost and voltage deviation as target functions and the voltage limit value and the equipment capacity limit as constraint conditions, selecting the optimal equipment by using a whale algorithm. According to the method, the type 2 fuzzy system is combined with the Monte Carlo simulation method to select the fault point and the fault type of the power distribution network; on the basis, the whale algorithm is used for carrying out optimal calculationon the cost and voltage offset of the voltage sag treatment equipment, the voltage sag treatment equipment with the lowest cost and a configuration scheme are obtained, and the lowest cost is achievedwhile the treatment effect is guaranteed.

The invention discloses an agent release device for treating an agricultural irrigation water source. The agent release device comprises a fixing plate; two fixing bolt holes are formed in the right end of the fixing plate; a mixing tank is arranged on the left side of the fixing bolt hole; a stirring motor is arranged on the left side of a first agent inlet; the lower part of the stirring motor is connected with a stirring shaft; a water inlet pipe is arranged on the left side of a stirring blade; the water inlet pipe is connected on the rear wall of the mixing tank; the rear part of a waterpump is connected with a rubber water pumping pipe; a filtering mouth is mounted at the rear end of the rubber water pumping pipe; a second agent inlet is arranged on the left side of the stirring motor; the left side of a water discharge plate is connected with the water pumping pipe; the water pumping pipe is connected into a water conveying pump; the lower part of the water conveying pump is connected with a water conveying pipe; the water conveying pipe is fixed in the fixing plate; an agent discharge plate is embedded and fixed in the lower surface of the fixing plate; the structure of the agent release device is relatively simple, and the agent release device is simple and convenient to use and operate, has a good treatment effect, and is suitable for popularization.

The invention provides a method for harnessing a desert by using honeycomb type water accumulation holes. The method comprises the following steps that (1) excavation of the water accumulation holes,wherein staggered sand pits are excavated on the surface layer of the desert to form the honeycomb type continuous-piece water accumulation holes; (2) preparation of slurry, wherein desert yellow sand, cement and gypsum powder are taken as raw materials and are stirred into the slurry after being mixed with water; (3) paving of the slurry, wherein the slurry is laid on the surface layer of the desert containing the water accumulation hole wall; (4) slurry breaking, wherein the laid slurry is cut, massive or spherical material blocks of which the size is 3-10 cm and which are staggered are formed on the surface layer of the desert containing the water accumulation hole wall, and vegetation growth tanks are formed between gaps between the material blocks; (5) planting, wherein woody plants suitable for growing in the desert are planted in the water accumulation holes. The method for harnessing the desert by using honeycomb type water accumulation holes has the advantages that the desertharnessing efficiency is high, the method can be implemented in a large area in the edge area of the desert; the harnessing cost is low, the raw materials are cheap and easy to obtain, and it can be achieved that the materials are obtained from local sources; the sand fixation can be effectively achieved, and the formation of quicksand is greatly reduced.

The invention discloses an electric energy quality comprehensive optimization control system and method for the low-voltage power distribution network. The control system comprises a system optimization controller connected with active meter box-type electric energy quality treatment function units through wireless communication, the number of the active meter box-type electric energy quality control function units is more than one, and the active meter box-type electric energy quality control function units are respectively installed on branch nodes of a low-voltage distribution line. The control system is advantaged in that an optimal working mode can be automatically selected by the system, and the target requirement of minimum system loss is met as much as possible while the treatmenteffect is ensured.

The invention discloses a water quality purification system for an urban river. The river is divided into three treatment areas according to the water quality condition of the urban river, namely an agricultural farming waste water treatment area, a treatment area of branch rivers polluted by waste water from the chemical industry and a domestic waste water treatment area, the water quality purification system for the urban river comprises a sludge cleaning device, biological earthworms, a first biological dam, a second biological dam, a third biological dam and an ecological floating island. According to the water quality purification system and process for the urban river, an integral treatment scheme and a segmented treatment principle are adopted, the river is divided into three segments for segmented treatment, all treatment units are matched reasonably, conditions are created actively for gradually lowering pollution of the river, the ecological system is established artificially, the self-cleaning capacity of the river is gradually restored, all the areas are subjected to targeted treatment according to actual conditions, investment and operating cost are low, and the purifying effect is good. The invention further discloses a water quality purification method for the urban river.

The invention relates to a comprehensive treatment method for mountain green coal water disasters in a complex structure area. The method comprises the following specific steps that a horizontal branch hole is drilled from a window entry point in a treatment target layer, circulating liquid is injected at the same time, and related data are recorded; the recorded data are analyzed and compared with existing data, and the development part, the spatial form and the scale of a vertical water guide structure and the fracture development part and the connectivity of the treatment target layer are judged; when the leakage amount of the circulating liquid is abnormal, a drill is withdrawn to conduct grouting operation, and grouting reinforcement is conducted on the area; and after grouting reaches the preset pressure, grouting is stopped, hole sweeping operation is carried out, and drilling continues until construction is completed. The method has the beneficial effects that grouting transformation of a target aquifer is realized, the integrity of a coal seam floor is enhanced, the risk of disastrous ordovician limestone water inrush of the coal seam floor is further reduced, the working efficiency is greatly improved, and the safety of workers is guaranteed; and meanwhile, underground water resources can be protected, and the water-preserved mining effect is achieved.

The invention discloses an ink sewage treatment system. The technical scheme essentials adopted by the invention are that a reaction system is arranged between a sewage tank and a press filter, the reaction system is connected with a filtering system, and the filtering system is connected with a clear water collection tank. The invention aims to provide a treatment system for treating ink sewage.

The invention relates to an electrode detection method and system. The method comprises the steps that the apparent current value of a to-be-detected electrode pair is detected in situ; when the apparent current value is smaller than a preset current threshold value, the electrode pair to be detected is placed in a standard electrolyte under a standard condition, so that the electrode pair to be detected forms a first closed circuit; detecting a first circuit current value in the first closed circuit; when the first circuit current value is smaller than a preset first circuit threshold value, the electrode pair to be detected is determined to be in an unhealthy state; and when the first circuit current value is greater than or equal to the first circuit threshold value, determining that the electrode pair to be detected is in a healthy state. The electrode pair to be detected in an unhealthy state can be subjected to cleaning treatment and electrochemical repair treatment, so that the electrode pair to be detected meets regeneration conditions and can be repeatedly used. And it is conveniently guaranteed that in subsequent contaminated soil treatment, the electrode can have the ion adsorption effect, and therefore the soil treatment effect is conveniently guaranteed.

The invention discloses an in-situ high-pressure dosing device for treatment of contaminated soil. The in-situ high-pressure dosing device comprises a base, wherein traveling wheels are fixed to fourcorners of the external wall of the bottom of the base through bolts, a mixing tank and a dosing tank are fixed to two sides of the external wall of the top of the base respectively through bolts, a fixed cylinder is welded to the top end of the dosing tank, a hydraulic lever is fixed to the internal wall of the fixed cylinder through bolts, a piston plate is fixed to the end part of a stretchingrod of the hydraulic lever through bolts, an inflator pump is fixed to one side of the external wall of the top of the dosing tank through bolts, an output end of the inflator pump is fixedly connected with an output pipe, one side, opposite to the piston plate, of the output pipe is fixedly connected with a corrugated hose I, and one end of the output pipe is fixedly connected with a sealing valve. According to the in-situ high-pressure dosing device for treatment of the contaminated soil, through the arranged hydraulic lever, the piston plate is convenient to push; and through being matchedwith inflating and pressurizing actions of the inflator pump and the corrugated hose I, the internal pneumatic pressure of the dosing tank is effectively improved, and thus, proceeding of subsequent dosing operation is facilitated.

The invention discloses a novel land ploughing device for comprehensive land improvement, and relates to the technical field of soil remediation, the novel land ploughing device comprises a device main body, a soil ploughing assembly and a pesticide applying assembly are mounted at the two ends of the device main body respectively, a driving mechanism is mounted at one end of the outer wall of the bottom of the device main body, and the soil ploughing assembly comprises a mounting opening formed in the device main body; by means of the arranged soil turning assembly, the depth of a mounting plate and soil turning teeth entering soil can be controlled through an arranged hydraulic rod, and soil turning treatment is achieved through the arranged soil turning teeth; meanwhile, a push rod motor is controlled to start, so that a claw-shaped rod can be driven to reciprocate up and down, on one hand, a longitudinal blade at the bottom end of the claw-shaped rod is driven to move up and down to longitudinally cut the turned soil, and on the other hand, the claw-shaped rod moves up and down to drive two adjacent longitudinal blades to unfold at a fixed frequency through transmission of a linkage rod, so that the soil is transversely cut; it can be ensured that plant rhizomes in soil are cut off.

The invention relates to a PU hydrolyzed bubble film for treating pollution on rivers and lakes, which is characterized in that: 14 to 18 weight percent of indigenous flora promotion preparation, 10 to 14 weight percent of aquatic creature promotion preparation, 1.5 to 2.5 weight percent of natto plant polysaccharide kinase and 67 to 73 weight percent of hydrolyzed PU material are mixed and stirred uniformly, and then subjected to foam forming in a mold so as to produce the PU hydrolyzed bubble film. The PU hydrolyzed bubble film is planted in the rivers and lakes so as to hydrolyze and slowly release basic nutrient sources of biological diversity of the rivers and lakes, reduce rainwater consumption in flood season or solar evaporation consumption in dry season through non-disposable release, provide microelement organic nutrient sources for ecological microorganisms continuously, stabilize the basic life of living beings and strengthen breeding, make full use of metabolic activity of the microorganisms, degrade organic pollutants in the water, reduce the total quantity of pollutants of the rivers and lakes, keep the ecological balance of the biological diversity of the rivers and lakes, and ensure treating effect and stability.

The invention provides a method for controlling gas in a soft and protruding coal seam in a large mining length working face in an underground coal mine. After the directional drilling in the first step enters the coal seam, the third step: when the drilling in the second step is in place according to the drilling trajectory, the fourth step: exit the conventional rotary drilling tool in the drilling hole, Carry out networked negative pressure drainage for the sealing holes; step 5: during the drainage process, according to the monitoring results of the regional gas drainage online monitoring and metering device described in the fourth step; step 6: according to the The metering results of the regional gas drainage on-line monitoring metering device, through the drilling method combining the directional drilling rig technology and the conventional rotary drilling technology, give full play to the respective advantages of the directional drilling rig and the conventional rotary drilling rig, and effectively avoid drilling holes during the construction of the conventional rotary drilling rig It is easy to string holes, and the drill pipe is difficult to enter the coal seam due to the influence of its own weight.