186results about How to "Improve water resource utilization" patented technology

The invention discloses a precise irrigation decision analysis method and system based on crop water demand, and particularly relates to the technical field of crop irrigation. A monitoring area is divided, soil humidity sensors with different depths are installed, moisture state data of a root zone are monitored in real time, moisture gradient change characteristics and moisture retention time deviation characteristics are extracted and analyzed, a moisture fluctuation abnormal index is calculated, the moisture fluctuation abnormal index is compared with a threshold value, and the moisture fluctuation abnormal index is calculated. The method comprises the following steps: dividing underground water fluctuation into high, middle and low underground water fluctuation abnormal levels, and taking corresponding irrigation adjustment measures according to different levels of fluctuation: taking a drainage measure to reduce excessive soil moisture for high-level abnormal fluctuation; crop water demand model parameters are dynamically adjusted through medium-grade fluctuation; a normal irrigation strategy is maintained by low-grade fluctuation, so that negative effects of underground water fluctuation and excessive irrigation on crop root zones and soil structures can be effectively avoided, soil permeability and water storage capacity are maintained, long-term productivity of farmland is guaranteed, and irrigation efficiency and water resource utilization rate are improved.

The invention discloses an irrigation device and method for alfalfa cultivation in saline-alkali soil, and relates to the technical field of alfalfa cultivation, the irrigation device comprises a water storage tank and an anti-blocking irrigation mechanism, the anti-blocking irrigation mechanism comprises an irrigation cylinder, an irrigation pipe and a spiral head, the irrigation cylinder is fixedly installed in the middle of the bottom end of the water storage tank through a bolt, and the spiral head is connected with the irrigation pipe; the irrigation pipe is fixedly installed in the middle of the bottom end of the irrigation cylinder through bolts, and the spiral head is movably arranged at the bottom end in the irrigation cylinder. Water in the water storage tank and the irrigation pipe is sucked and then discharged through the suction cylinder, the irrigation water consumption can be accurately controlled conveniently, a spiral head is driven to move downwards and rotate while a piston reciprocates, so that when the device is inserted into soil, the bottom end, blocked by the soil, of the irrigation pipe can be rotationally conducted by the spiral head, and the irrigation efficiency is improved. Soil below the bottom end of the irrigation pipe is drilled out of a water seepage space through the spiral head which ascends and descends in a reciprocating mode, the irrigation effect is further improved, and the irrigation efficiency when alfalfa is cultivated in the saline-alkali soil is improved.

The invention relates to the technical field of water treatment, in particular to an efficient scale and corrosion inhibitor and a preparation process thereof. The method comprises the following steps: 1, preparing materials; step 2, operating a first reaction kettle; step 3, operation of a second reaction kettle; step 4, performing subsequent operation; according to the efficient scale and corrosion inhibitor and the preparation method thereof, the adding quality and operation parameters of all the raw materials are controlled, the stability of the product quality is improved, PBTC can effectively disperse insoluble inorganic salt, industrial equipment is protected, and the water treatment efficiency is improved; pESA is green, environment-friendly and biodegradable, and has good scale dispersion and corrosion inhibition effects; the sodium formate solution promotes system stability and smooth reaction, the deionized water is added twice, the reaction process is effectively controlled, the product uniformity is improved, an efficient and reliable solution is provided for water treatment through the synergistic effect of all the components, meanwhile, multiple discharging modes are flexibly selected, and the production cost is reduced. And the convenience and the practicability of production are further improved.

The invention is suitable for the technical field of electric digital data processing, and provides a dry farming rice irrigation method, device, equipment and system and a storage medium, the method comprises the following steps: obtaining the daily average temperature and historical soil moisture content of target dry farming rice from the beginning of sowing to the current moment; determining the growth stage of the target dry farming rice based on the daily average temperature; based on the historical soil moisture content, the field water holding rate is obtained; determining an irrigation upper limit value and an irrigation lower limit value of the target dry farming rice at the current stage based on the field water holding capacity and the growth stage of the target dry farming rice; and performing irrigation management on the target dry farming rice based on the irrigation upper limit value and the irrigation lower limit value. The automation degree and the water and fertilizer utilization rate of dry farming rice field management can be effectively improved.

The invention belongs to the technical field of agricultural cultivation, and particularly relates to a precise irrigation control system and method for substrate cultivation. The method specifically comprises the following steps: monitoring multi-parameter data, namely a soil humidity index, a plant physiological index and an environmental factor index, in real time through a multi-parameter sensor, and transmitting the data in a wired or wireless manner; the collected multi-parameter data are preprocessed, and then predicted plant water demand is obtained by using an intelligent decision algorithm and is displayed through a visual platform; the on-off state and the flow of the irrigation equipment are automatically adjusted through the control circuit according to the predicted water demand of the plants, the actual water demand of the plants can be accurately matched through multi-parameter monitoring and an intelligent decision algorithm, the situation of excessive or insufficient irrigation is reduced, the irrigation efficiency and the water resource utilization rate are improved, and accurate irrigation is achieved.

The invention relates to the technical field of fruit tree irrigation, and discloses an irrigation device for citrus planting, comprising a reservoir, an anti-freezing assembly for draining water and an adjusting assembly for adjusting the position of the irrigation assembly, one side of the top end of the reservoir is provided with a water pump, and the output end of the water pump is fixedly connected with a connecting pipe; a communicating pipe is fixedly connected to the end of the connecting pipe, communicating holes are formed in the two sides of the communicating pipe, water conveying pipes are fixedly connected to the positions, corresponding to the communicating holes, of the two sides of the outer wall of the communicating pipe, supports are installed at the bottom ends of the water conveying pipes, and irrigation assemblies are installed on the side walls of the water conveying pipes; the anti-freezing assembly is installed in the communicating pipe. Irrigation and pesticide spraying are integrated, rapid function switching is achieved through the square balancing weight, the trouble of replacement of a spray head and a pipeline is avoided, efficiency is improved, the direction of a water outlet pipe is flexibly adjusted through the adjusting assembly, operation is accurate, waste of water or pesticide liquid is reduced, and different growth requirements of citrus trees are met.

The invention discloses an intelligent control system and method for fruit tree irrigation, and the system comprises a soil humidity detection module, a fruit tree information database module, an irrigation decision module and an irrigation execution module, or comprises an image collection module, an environment monitoring module, a fruit tree growth analysis module, an irrigation decision module and an irrigation execution module. According to the method, a more scientific and effective auxiliary means is provided for fruit tree pruning, and the yield and quality of fruit tree cultivation can be improved.

The invention discloses a photoconductive enhanced osmunda culture'light tree 'bioreactor for CO2 capture and resource utilization. The bioreactor comprises a transparent tank body made of a transparent material, and refractive fibers and hollow fibers are embedded in the transparent tank body. The refractive fiber is made of a high-light-conductivity material, can introduce and uniformly distribute an external light source into the whole bioreactor, and provides necessary illumination conditions for microalgae. The reactor can effectively capture carbon dioxide and utilize microalgae for resourceful culture. The reactor system provides a suitable microalgae growth environment with sufficient light and sufficient carbon sources for microalgae through gas-liquid separation, and promotes rapid growth of microalgae. The reactor can be applied to the fields of industrial waste gas treatment, greenhouse gas emission reduction, biological energy production, aquaculture wastewater and the like. A CO2 trapping technology is organically combined with a CO2 biosynthesis and resource utilization technology, so that efficient trapping and resource utilization of CO2 are realized.

The invention relates to the technical field of irrigation control, in particular to an agricultural product irrigation control system based on the Internet of Things, and the system comprises a data acquisition module and a data analysis module which are used for dividing a to-be-irrigated agricultural product region into a dynamic change region and a stable region according to the average variation of soil data within a first preset time; the irrigation method determining module is used for determining a dynamic flow irrigation method or a low-flow infiltrating irrigation method to irrigate agricultural products according to the soil organic matter content; the irrigation adjusting module is used for determining whether to adjust the agricultural product irrigation control process or not according to the uniformity degree of the soil water content variation in the same irrigation area in the irrigation process and the plant growth height difference degree of a plurality of different irrigation areas; according to the method, different irrigation starting methods are selected by dividing different to-be-irrigated agricultural product areas, so that the accuracy of agricultural product irrigation process control is improved.

The utility model discloses a waste gas dust removal device for biomass energy power generation, which relates to the technical field of environmental protection and air pollution abatement, comprises a base and a box body, and is characterized in that a linkage mechanism is arranged on the box body, the linkage mechanism comprises a driving component and a synchronizing component, the driving component comprises a motor fixedly connected to the top surface of the base, and the synchronizing component comprises a synchronous component and a synchronous component. The output end of the motor is fixedly connected with a driving rod, the driving rod is fixedly connected with a first bevel gear, the first connecting rod is fixedly connected with a second bevel gear, the box body communicates with an air outlet net, the first connecting rod penetrates through the air outlet net, the air outlet net is rotationally connected with the first connecting rod, and the first connecting rod is fixedly connected with a connecting block; by arranging the linkage mechanism and through reasonable design and optimization, the efficiency of a mechanical system is improved, the space is effectively utilized, complex movement is achieved in the limited space, and the energy utilization rate and the movement efficiency are improved.

The utility model discloses an automatic sweet potato cleaning device which comprises a first cleaning structure, a second cleaning structure is embedded in the surface of one side of the first cleaning structure, and a water pumping structure is embedded in the position, close to one side, of the rear surface of the second cleaning structure. The first cleaning structure comprises a first feeding opening, a first motor, a connecting rod, a spraying pipe, a spiral rod, a collecting groove, a first filter screen, a first outer frame, a first discharging opening, an embedding groove and a water outlet, and the first feeding opening is formed in the position, close to one side, of the upper surface of the first outer frame; a first discharging opening is formed in the position, close to the upper portion, of the surface of one side of the first outer frame, and an embedding groove is formed in the position, below the first discharging opening, of the surface of one side of the first outer frame. According to the automatic sweet potato cleaning device, sweet potatoes can be cleaned more efficiently, secondary cleaning water can be recycled, and water resources can be saved.

The invention belongs to the technical field of glass flue gas wastewater treatment, and discloses a glass substrate cullet flue gas wastewater treatment system and a glass substrate cullet flue gas wastewater recycling method.The glass substrate cullet flue gas wastewater treatment system comprises a chlorination and denitrification device, a chlorine spraying device and a filtering device; the adding amount of sodium hypochlorite is adjusted through a sodium hypochlorite adding pump, sodium hypochlorite and cullet flue gas wastewater are fully mixed under the action of aeration of an aeration pipeline at the bottom of the denitrification reaction tower and a stirrer at the top of the denitrification reaction tower, ammonia nitrogen in the cullet flue gas wastewater reacts, and ammonia nitrogen is removed. And powder scraps are removed through filtering of a filtering material in a multi-medium filter in the filtering device, so that filtering is realized. Under the action of the spraying device, the adding amount of sodium hydrogen sulfite entering the spraying tower is controlled by adjusting the adding pump, excessive sodium hypochlorite is removed, chlorine is generated, and the technical problem that in the prior art, after ammonia nitrogen is removed, water resources are wasted due to direct discharging is solved.

The utility model relates to the technical field of radish irrigation devices, in particular to an energy-saving irrigation device for radish planting, which comprises a storage box, a water inlet pipe is fixedly mounted at the top of a front side plate of the storage box, a threaded pipe is mounted at the water outlet end of the water inlet pipe, and a threaded sleeve is in threaded connection with the threaded pipe. A filter mesh bag is fixedly mounted at the bottom end of the threaded sleeve; a conveying pump is arranged outside the storage box, a conveying pipe is fixedly installed at the water outlet end of the conveying pump, a plurality of evenly-distributed pipes are detachably connected to the conveying pipe, a plurality of water dripping holes are formed in the evenly-distributed pipes, a hard pipe is fixedly installed at the water inlet end of the conveying pump, and the tail end of the hard pipe penetrates into the storage box and is fixedly provided with a hose. A threaded connector is fixedly installed at the tail end of the hose, a mesh cylinder is detachably connected to the end of the threaded connector, a filter screen is arranged on the outer surface of the mesh cylinder, and a hollow floating plate is fixedly installed on the top face of the mesh cylinder. The drip irrigation device is convenient for drip irrigation operation and has a better impurity filtering effect.

The utility model discloses a water-jet-guided laser processing machine tool capable of recycling waste water, which relates to the technical field of water-jet-guided laser processing machines and comprises a shell, and a processing table is fixed at the central position in the shell. Waste water and chippings generated by machining are guided to flow to the water outlets in the two ends through the inclined drainage grooves in the surface of the machining table and fall to the filtering assembly through the water outlets. A folded edge groove formed by three layers of flow guide plates and an upper folded edge in the filtering assembly slows down water flow impact, so that large-size chippings are precipitated and temporarily stored, and the chippings in the folded edge groove can be conveniently cleaned through an integrally-formed scraping plate; the lining frame further intercepts suspended chippings, the preliminarily filtered wastewater flows into wavy filter cloth at the top of the wastewater frame through drainage holes in the bottom of the positioning frame, the filter cloth adsorbs fine impurities by increasing the contact area, and finally the purified wastewater is collected in the wastewater frame, so that graded filtration and recovery of the processing wastewater and efficient separation and cleaning of the chippings are realized; and the water resource utilization rate and the machine tool maintenance convenience are improved.

This utility model provides a crab and bass polyculture device, relating to the field of aquaculture technology. It includes a pumping device, an outer box, and an inner box coaxially arranged with a clearance fit. Two limiting grooves are formed inside the inner box. A water pump is fixedly connected inside the inner box, and rotary joints are connected to both ends of the water pump. The other end of each rotary joint is connected to a circular box slidably connected to the limiting grooves. A motor drives a synchronous pulley and a synchronous belt to drive the circular box to slide within the limiting grooves, allowing the water inlets on the circular box to connect with water pipes in different directions. Combined with the power of the water pump, this enables bidirectional water flow between the two ponds, constructing a bidirectional water exchange system between the crab and bass ponds. This improves water resource utilization, prevents water quality deterioration in a single pond, promotes the sharing of beneficial substances between the two ponds, and reduces aquaculture costs.

The utility model belongs to the technical field of chrysanthemum production and cleaning, and particularly relates to a cleaning device for chrysanthemum production and processing, which comprises a cleaning box, a sealing door plate is rotatably mounted on the front side of the cleaning box, a water storage tank is fixedly mounted at the top of the cleaning box, and windows are fixedly mounted on the left side and the right side of the cleaning box. A water storage tank is filled with water flow through the arranged cleaning assembly, chrysanthemums are sequentially placed in a chrysanthemum placing groove above a chrysanthemum placing frame, a water pump is started to convey the water flow to the inner side of the cleaning device through a connecting pipe, the cleaning device sprays the water flow through the connecting pipe, and the water flow is filtered through the filtering box. And in the cleaning process, solid impurities can be conveniently blocked by a screen, sewage generated after cleaning can enter the inner side of the filtering box to be filtered through a flow guide groove, a water source can be conveniently used for multiple times, and the water resource cost is reduced.

The utility model relates to a greening structure suitable for a steep soil slope. The method is suitable for the technical field of slope greening engineering. According to the technical scheme, according to the greening structure suitable for the steep soil slope, the surface of the steep soil slope is excavated to form a slope protection construction face, the slope protection construction face is covered with a slope protection structure, and the greening structure comprises drainage holes which are drilled in a slope body of the steep soil slope, and the multiple drainage holes are arranged at intervals in a multi-layer mode along the slope face of the slope; the planting holes are drilled in the slope surface of the steep soil slope, the multiple planting holes communicate with the multiple drainage holes in a one-to-one correspondence mode, and the ends, away from the drainage holes, of the planting holes penetrate through the slope protection structure; the planting tanks are arranged in the planting holes, are used for planting green plants and can discharge excessive water inside; and the drainage floral tube is arranged in the drainage hole and can collect surplus water in the slope body and guide the water into the planting tank so as to irrigate green plants.

This utility model discloses a backwash water concentrate recovery and utilization device, belonging to the field of water treatment technology. It includes a first filtration device, a second filtration device, and a third filtration device. The first, second, and third filtration devices are connected to the inlet of a wastewater collection tank. The outlet of the wastewater collection tank is connected to a wastewater pipe, which is connected to the inlet of a wastewater pump. The outlet of the wastewater pump is connected to a greywater treatment mechanism and also to a water purification mechanism. This utility model, employing the aforementioned backwash water concentrate recovery and utilization device, reduces the operating load and cost of the greywater treatment system, optimizes the water quality balance of the circulating water system, and prevents corrosion or scaling of cooling equipment, thereby ensuring the efficient and stable operation of the water treatment system.

The invention relates to the technical field of automatic cleaning, and discloses an automatic bowl body cleaning system which is used for solving the problem that cleaning parameters cannot be automatically adjusted according to the dirt problem of a bowl body when the bowl body is cleaned and comprises the steps that dirt on the bowl body is detected and evaluated to obtain a dirt accumulation index; the water flow is adjusted through the dirt accumulation index to obtain the actually needed water flow, the cleaning time is adjusted through the dirt accumulation index to obtain the actually needed cleaning time, steam condensate water generated by the sterilization kettle is stored in the condensate water storage tank, and then the condensate water in the condensate water storage tank is conveyed through the water pump. The bowl body is sprayed according to the actually required water flow and the actually required cleaning time, and the sprayed condensate water is precisely filtered and then returns to the condensate water storage tank to be heated, so that the bowl body cleaning efficiency is effectively improved, and the water resource utilization rate is increased.

The invention discloses a water purification system, and relates to the technical field of water purification, the water purification system comprises a water inlet waterway, a filtering waterway, a fresh mineral waterway and a pure water waterway, the filtering waterway is communicated with the water outlet end of the water inlet waterway, the filtering waterway is provided with a first filter element, a second filter element and a third filter element, the second filter element is configured to be a mineralized filter element, and the third filter element is configured to be a fresh mineral waterway; the third filter element is a reverse osmosis filter element, the second filter element and the third filter element are arranged on the downstream of the first filter element in parallel, the water inlet end of the fresh mineral water path is communicated with the water outlet side of the second filter element, the water outlet end of the fresh mineral water path is communicated with the fresh mineral water using end, and the water inlet end of the pure water path is communicated with the water outlet side of the third filter element. And the pure water path can be communicated with the fresh mineral water using end, so that mixed outlet water of fresh mineral water and pure water can be formed at the fresh mineral water using end. The fresh mineral water and the pure water are obtained through the independent filter elements, so that the fresh mineral water which meets the drinking standard and has the mineral content capable of being flexibly adjusted is provided for a user, and the water use requirement of the user is met.

The utility model provides a concrete column curing device, which relates to the technical field of concrete column curing, and comprises an assembled top frame formed by connecting a connecting pipe and an atomizing spray head, an assembled bottom frame formed by a U-shaped recovery tank, a telescopic square steel connecting bracket, a bolt, a bolt hole, a curing water supply pipe and a water retaining curtain, the assembled top frame and the assembled bottom frame can be used for curing concrete columns of different sizes in a splicing and assembling mode, the telescopic square steel connecting support can be used for curing the concrete columns of different heights, and a U-shaped recycling groove and a curing water recycling opening are used for collecting, recycling and reusing used curing water. And meanwhile, the water retaining curtain facilitates collection of maintenance water and prevents rapid evaporation of water, and the defects that in the prior art, the maintenance work difficulty is large, a large amount of water is prone to being wasted, and the labor cost and the water cost are increased are overcome.

The utility model discloses irrigation equipment for muskmelon cultivation, which comprises a bottom plate, walking wheels are mounted at four corners of the bottom of the bottom plate, a frame body is fixed at the top end of the bottom plate, a first storage battery is mounted on one side of the top of the frame body, and a water pump is fixed on the other side of the top of the frame body. A flow control valve is installed on the side, close to the water pump, of the top of the first storage battery, and the output end of the water pump is connected with the input end of the flow control valve. According to the irrigation equipment for muskmelon cultivation, by arranging a soil humidity sensor, a drip irrigation belt, a switching valve and three sprayers of different specifications, the drip irrigation belt is used for daily drip irrigation water replenishing, the water resource utilization rate can be increased, and if the soil humidity sensor can monitor the humidity of farmland soil in real time and transmit signals to a controller, the humidity sensor can monitor the humidity of the farmland soil in real time; and the controller controls the electromagnetic valve and the switching valve to work according to the detection result, and sprayers with proper specifications are started for spray irrigation and water supplement, so that the melon cultivation effect is better.

The invention relates to a bathroom capable of realizing hip bath. The bathroom comprises a bathroom main body, a hip bath system and a drainage recovery system, an anti-skid hip bath area and a conventional washing area are arranged in the toilet main body, the ground of the anti-skid hip bath area is of a gentle slope structure with a low center and a high periphery, the gradient is 3-5 degrees, and anti-skid textures are arranged on the surface of the anti-skid hip bath area; the hip bath system comprises an embedded hip bath basin, a constant-temperature water supply assembly and a spraying piece, the embedded hip bath basin is embedded in the center concave position of the anti-skid hip bath area, the edge of a basin body of the embedded hip bath basin is provided with a flexible anti-collision strip, the constant-temperature water supply assembly comprises a constant-temperature valve, a heating water tank and a flow controller, and the spraying piece is installed in the embedded hip bath basin; the drainage recovery system comprises a main drainage port, a filter assembly and a circulating pump, the main drainage port is formed in the center of the bottom of the embedded bidet, the filter assembly comprises a stainless steel filter screen, an activated carbon filter layer and an ultrafiltration membrane which are sequentially arranged, and the circulating pump is communicated with the main drainage port and used for conveying water filtered by the filter assembly to the constant-temperature water supply assembly.

This invention provides a time-based and graded intelligent control device for simulated rainfall, belonging to the technical field of simulation experimental devices. It includes a central controller, which is connected via wires to a main valve, a laser displacement sensor, a visual recognition module, and a soil moisture sensor. The main valve is connected to a main pipeline, which in turn connects to several branch pipelines. Each branch pipeline is equipped with a second solenoid valve and several adjustable nozzles. The main pipeline is equipped with a first solenoid valve and an air intake / exhaust valve. Through the central controller's coordination with the main valve and sensors, intelligent linkage control is achieved. Combined with the time-based and graded regulation of the multi-stage pipeline solenoid valves and adjustable nozzles, the air intake rainfall simulation parameters of the air intake / exhaust valves can be dynamically adjusted based on real-time monitored sensor data. By combining the water intake volume of the solenoid valves with the rotation of the adjustable nozzles, the soil water demand in different areas and at different times can be accurately matched, significantly improving the spatiotemporal accuracy of rainfall simulation and water resource utilization.

The utility model relates to the field of automobile air conditioner compressor cleaning, and discloses an automobile air conditioner compressor cylinder body cleaning device which comprises a base, the top of the base is fixedly connected with a vertical plate, one side of the vertical plate is fixedly connected with a fixing plate, the top of the fixing plate is fixedly connected with an air cylinder, and the bottom of the fixing plate is provided with a motor. According to the cleaning device for the automobile air conditioner compressor cylinder body, the compressor cylinder body is placed on the base, the air cylinder is started to enable the cleaning assembly to enter the cylinder body, the cleaning assembly is matched with the spring to make extrusion contact with the cylinder body, and cleaning liquid is guided into the water injection barrel from the water inlet pipe through the water pump; the cleaning liquid can be evenly sprayed into the cylinder body from the water outlet holes, the motor is used for driving the rotary column and the cleaning assembly on the U-shaped frame to rotate to clean the interior of the cylinder body, and the problem that an existing compressor cylinder body cleaning device is difficult to guarantee the cleaning effect of the interior of the cylinder body is solved.

The utility model relates to the technical field of thermal boiler production, and discloses a thermal gas-fired boiler regular-discharge steam recovery device which comprises a boiler regular-discharge flash tank. The air outlet pipe is communicated with the top of the boiler periodic blowdown flash tank, a heat exchanger is installed at the top end of the air outlet pipe, an exhaust pipe is arranged above the heat exchanger, and an extension pipe is communicated between the heat exchanger and the exhaust pipe; according to the utility model, the heat exchanger is additionally arranged at the exhaust port of the existing boiler periodic blowdown flash tank and is matched with the recycling mechanism for use, so that the waste heat of boiler blowdown dead steam is effectively recycled, the energy utilization efficiency is improved, the operation cost is reduced, and the dead steam is condensed in the heat exchanger to form high-quality condensed water; and the preheated demineralized water enters the deaerator, so that the steam demand is reduced, the deaerator operates more stably, the phenomenon of white smoke plume caused by direct discharge of dead steam can be eliminated, and the factory environment is improved.

The invention provides a cross-flow cooling tower with flow equalizers and a method, relates to the field of cooling towers, and aims to solve the problem that the utilization rates of different fillers are greatly different due to non-uniform air distribution in the filler of the existing cooling tower, the flow equalizers are arranged in an air area of a middle channel of a filler module and comprise a plurality of flow equalizing plates; the air outlet faces of the filler areas on the two sides of the air area are divided, airflow is guided to the negative-pressure fan cavities where the fans are arranged, airflow air quantity distribution in the filler areas is improved, the air quantity is more uniform, and therefore the overall cooling efficiency of the cooling tower is improved.

This invention relates to the field of zeolite molecular sieve production technology, specifically a method for in-situ crystallization synthesis of zeolite molecular sieves from solid waste coal gangue. The steps are as follows: Coal gangue is calcined at 600-800℃ for 1-5 hours to obtain calcined coal gangue; it is mixed with acid and water at a ratio of 1:(0.1-0.5):(4-8), reacted at 65-95℃ for 1-5 hours, and the pH is adjusted to 7-10 with alkali. After aging, it is filtered, washed, and dried to obtain activated coal gangue; the activated coal gangue is mixed with externally sourced materials, template agent, solid seed crystals (crystallinity ≥85%), and water in a specific ratio, crystallized at 100-200℃ for 24-72 hours, and calcined to obtain SAPO-34, SSZ-13, or AlPO. 4 -5. Adding ammonium salts via ion exchange can produce MTO catalysts. This invention improves the crystallinity of molecular sieves, resulting in a methanol conversion rate of ≥96% for the MTO catalyst, enabling the resource utilization of coal gangue, reducing costs, and providing a versatile process suitable for industrial application.

The utility model relates to mechanical equipment field discloses a cooling water spraying device for styrene storage tank, including the jar body, the outer wall fixedly connected with fixed block of jar body, the inner wall fixedly connected with the direct current pipe of fixed block, the top fixedly connected with ring pipe of direct current pipe, the inner wall fixedly connected with a plurality of spraying mechanism of ring pipe, the outer wall fixedly connected with a plurality of support of jar body, the outer wall fixedly connected with strengthening mechanism of jar body, the spraying mechanism includes the connecting pipe, the outer wall fixedly connected in the inner wall of ring pipe of connecting pipe, the bottom fixedly connected with the base of connecting pipe, in the utility model, through the motor of starting the inner wall of sliding block, motor drive force drives gear to rotate, under the cooperation of inner and outer rack plate of the inner wall of base, gear rotation drives sliding block to move in the base, and connecting column and connecting plate cooperate transmission force.