79results about How to "Increase the flow distance" patented technology

The invention discloses a temperature difference power generation device which comprises a tail gas tank, a cooling water tank assembly, a temperature difference power generation module assembly and a clamping plate. The two ends of the tail gas tank are provided with an intake manifold and an exhaust manifold respectively, and the tail gas tank comprises a gas tank body, a shunt fin, a flow guide fin and an afflux fin; the two ends of the cooling water tank assembly are provided with a water inlet manifold and a water outlet manifold respectively, the cooling water tank assembly comprises multiple cooling water tanks, and each cooling water tank comprises a water tank body and a flow guide plate; the hot end of the temperature difference power generation module assembly is attached to the two sides of the tail gas tank, the cold end of the temperature difference power generation module assembly is attached to one side of the cooling water tank assembly, and the temperature difference power generation module assembly comprises multiple temperature difference power generation modules; the clamping plate is arranged outside the cooling water tank assembly, and the two ends of the clamping plate are locked through bolts. The structure of the temperature difference power generation device is optimized and improved, power generation efficiency is improved, and the aim of improving the energy utilization rate is achieved.

The invention discloses a treatment process for malodorous gases of a municipal wastewater treatment plant. The treatment process comprises the following steps: collecting malodorous gases, and carrying out filtering pretreatment; introducing into a photonic titanium catalysis device, and carrying out photonic catalysis treatment; introducing the gases after photonic catalysis treatment into a catalysis purification tower, carrying out catalytic drip washing, and discharging gases. With the combination of photonic catalysis and drip washing, the outer circumference of an ultrasonic lamp tube is covered by a photocatalyst net cover inside the photonic titanium catalysis device to form a photonic titanium catalysis module, so that the malodorous gases fed into the cover sufficiently contactthe inner wall of the photocatalyst net, and thus the photonic catalysis time and routes can be prolonged; in addition, due to adoption of alternatively arranged photonic titanium catalysis modules, specific gas channels can be formed inside the device, so that the photonic catalysis time and gas flowing routes can be also prolonged, the deodorization capability and the sterilization capability ofthe device can be enhanced, and the removal efficiency of hydrogen sulfide, ammonia gases, volatile organic compounds and odor in the malodorous gases can be improved.

The invention belongs to the technical field of spice production, and particularly relates to an easily cleaned condenser. The easily cleaned condenser comprises a shell, wherein baffle plates for sealing the shell are arranged at two ends of the shell and respectively connected with end sockets; a water inlet is formed in one of the end sockets, and a water outlet is formed in the other end socket; a heat exchange pipe communicated with the water inlet and the water outlet is arranged in the shell; a steam inlet is formed in the upper part of the shell; a condensation liquid outlet is formed in the lower part of the shell; and baffles for extending a steam flow path are arranged between the steam inlet and the condensation liquid outlet in the shell in a staggering manner. By the easily cleaned condenser, the condenser can be well cleaned, and an ideal cooling effect can be achieved.

The invention belongs to the technical field of waste gas cleaning, and specifically discloses a dust removal and desulphurization tower. The dust removal and desulphurization tower comprises a dust removing tower and a desulphurization tower, wherein the desulphurization tower comprises an outer tower and an inner tower; an air channel is formed between the inner tower and the outer tower; an annular sliding plate is glidingly connected to the air channel; a first spray head is arranged in the inner tower; a second spray head is arranged in the outer tower; a communication pipe which is communicated with the upper part of the inner tower is connected to the dust removing tower; a motor and a transmission shaft are arranged at the upper part of the dust removing tower; a cam is fixed to the transmission shaft; a first piston barrel is arranged at the lower part of the cam; a first piston is glidingly connected into the first piston barrel; a first pushing rod is fixed to the first piston; a dust removing mechanism is arranged in the dust removing tower; a pushing plate is glidingly connected into the dust removing tower; a second piston barrel is arranged below the pushing plate; asecond piston is glidingly connected into the second piston barrel; a second pushing rod is fixed to the second piston; a single-control switch and a third piston barrel are arranged in the dust removing tower. The dust removal and desulphurization tower is simple in inner structure, and is capable of fully performing desulphurization.

The invention discloses an electromagnetic energy buffering flowing chute device for aluminum alloy grain refinement, and relates to the technical field of metallurgy and metal material preparation. Aplurality of electromagnetic energy grain refinement devices are arranged above a buffering flowing chute, a chute body of the buffering flowing chute comprises a bottom plate and side enclosing plates fixed to the upper part of the bottom plate, a flowing chute inlet and a flowing chute outlet are correspondingly formed in the two ends of the side enclosing plates, a plurality of side baffles are fixed to the inner walls of the side enclosing plates, intervals exist between two any side baffles, a plurality of middle baffles are fixed to the middle of the bottom plate, intervals exist between two any middle baffles, and intervals exist between any one middle baffles and any one of side baffles. The electromagnetic energy grain refinement devices comprise iron cores and wire coils, the wire coils are wound on the iron cores, the two adjacent turns of wire coils are mutually insulated, and the wire coils and the iron cores are mutually insulated. The electromagnetic energy buffering flowing chute device can ensure aluminum alloy melt magnetic field processing time, effectively reduce the ingot casting grain size, and improve the product quality.

The invention provides an explosion-proof valve, belonging to the machinery technology field, which solves the problems that a current explosion-proof valve can not completely blow out flame in the explosion-proof valve, and the effect of reducing high pressure air flow in explosion is not favorable. The explosion-proof valve comprises a ring-shaped seat board, a panel which is fixed with the seat board, a plurality of ring-shaped flame-proof sheets which are fixed between the panel and the seat board. The ring-shaped flame-proof sheets form a valve cavity by superposing layer upon layer, and a gap is left between two adjacent flame-proof sheets. A movable closing plate of a valve orifice is arranged in the valve cavity, a spring whose two ends are respectively pressed on the panel and the closing plate of the valve orifice are arranged between the panel and the closing plate of the valve orifice of the valve, and a ring-shaped flame-proof device is sleeved on the outside of the closing plate of the valve orifice. The ring-shaped flame-proof device is formed by the superposition of a plurality of sheets of flame-proof device, buckling passages are formed between the two adjacent sheets of flame-proof device, and a guiding structure which plays a guiding role for the closing plate of the valve orifice is arranged on the flame-proof device. The invention has the advantages of safe use, wonderful flame blow-out performance, sensitive closure and starting, and long service lift.

The invention provides a crystallizer for hydrolyzing carnallite to prepare potassium chloride. The crystallizer comprises a cylindrical shell, an inner cylinder and an outer cylinder which are coaxial are arranged in the shell, and an annular interlayer is formed between the inner cylinder and the outer cylinder, wherein a plurality of spiral flow guiding plates are arranged in the interlayer atintervals to make a plurality of spiral flow guiding channels formed in the interlayer. The crystallizer is provided with the spiral flow guiding channels, so the flow path of carnallite and a decomposition mother liquor is significantly increased, thereby the residence time is greatly prolonged, and the sufficient hydrolysis of the carnallite, especially large-particle size carnallite, is facilitated; and when the potassium chloride is produced by using the crystallizer, the materials can simultaneously have two modes of full mixed flow and plug flow, so the production efficiency of the crystallizer and the recovery rate of potassium chloride are improved, and the consumption of raw materials and energy in the production process is reduced.

The invention discloses a device and a method for maintaining liquid level balance of an alkaline electrolysis system and inhibiting a blow-by risk. The method comprises the step of installing a safety device for inhibiting the blow-by risk on a U-shaped pipe between two gas-liquid separators in the alkaline electrolysis system. The mode for restraining the blow-by risk of the two gas-liquid separators in the alkaline electrolysis system through the safety device comprises at least one of slowing down the flowing speed of liquid in the U-shaped pipe, increasing the flowing path of the liquid in the U-shaped pipe and reducing the flow of the liquid in the U-shaped pipe passing through the safety device. According to the invention, when the electrolysis power is changed, the alkali liquor in the gas-liquid separator on one side can be effectively prevented from carrying hydrogen or oxygen to flow into the other side under the action of pressure, so that the blow-by risk caused by breaking the liquid level balance is avoided, and the safety problem under the condition of off-grid hydrogen production of the fluctuating renewable energy source is solved; and the off-grid hydrogen production safety performance of the alkaline electrolysis system is improved.

The invention relates to the field of plant-cultivating equipment and discloses a planter applicable to ships. The planter includes a field planting board and a cultivating tank. The cultivating tankis arranged with a water inlet and a water outlet. The cultivating tank includes a base plate and lateral plates surrounding and enclosing the base plate. The top of each of the lateral plates bends inward and extends to form a supporting platform. Water-storing space is formed between the supporting platform and one of the lateral plates. A water flow channel is formed between the supporting platform and the base plate. The water-storing space is communicated with the cultivating tank through the water flow channel. The field planting board is arranged on the supporting platform. The invention also discloses a cultivation module applicable to the ships. The plant-cultivating equipment provided by the invention can ensure that nutrient solution does not spill and plants can grow normally in a moving or shaking environment of conducting scientific investigation and moving equipment in places like oceangoing vessels, long-distance transport vehicles and remote and insecure regions.

The invention provides a waste gas treatment device for welding equipment. The device comprises a machine frame, a gas collecting mechanism and a purifying mechanism are arranged on the machine frame,the purifying mechanism comprises a purification box, a filtering curved pipe, a filtering box and a filtering plate are arranged in the purification box, an exhaust pipe is arranged at one end of the purification box, the gas collecting mechanism is connected with an inlet end of the filtering curved pipe through a gas collecting pipe, the outlet end of the filtering curved pipe is connected with the filtering box through a conveying pipe, the filtering box, the filtering plate and the exhaust pipe are sequentially arranged, a plurality of filter short plates which are arranged in a staggered manner are arranged on the inner wall of the filtering curved pipe, and an activated carbon plate is arranged in the filtering box. Waste gas generated by welding sequentially passes through the filtering curved pipe, the filtering box and the filtering plate, so that the flowing path of the waste gas is increased and the waste gas treatment time is prolonged. The treatment effect is improved through multiple times of filtering or adsorption.

The invention provides a crankcase anti-explosion valve, and belongs to the technical field of machines. The crankcase anti-explosion valve solves the problem that the assembling process of an existing anti-explosion valve is complex. An elastic earpiece with an improved structure comprises an annular base plate and a face plate fixedly connected with the base plate, the base plate is parallel to the face plate, a valve plate and a spring are fixed between the base plate and the face plate, an inner antiflaming block and an outer antiflaming block are further fixed between the base plate and the face plate, the inner antiflaming block and the outer antiflaming block are annular, and the inner antiflaming block is sleeved with the outer antiflaming block. The crankcase anti-explosion valve has the advantages that production efficiency is high, and the inner antiflaming block and the outer antiflaming block are convenient to replace.

The invention discloses lipid-decreasing functional peptide by using silkworm chrysalis as raw material. The molecular weight of the lipid-decreasing functional peptide is 620 to 1200Da. A preparationmethod of the functional peptide comprises the following steps of pretreatment of silkworm chrysalis powder: adding a mixed solution of n-hexane and petroleum ether into the silkworm chrysalis powder, heating and refluxing, so as to obtain silkworm chrysalis protein; adding distilled water into the silkworm chrysalis protein powder, uniformly mixing, adding alkaline protease and papain, then adding D-carnitine, hydrolyzing by enzyme, deactivating enzyme, cooling, and then centrifuging, so as to obtain a supernatant for further use, namely an enzyme hydrolysis liquid; filtering the enzyme hydrolysis liquid by an ultrafiltration film, so as to obtain an ultrafiltration enzyme hydrolysis liquid; sequentially performing gel column chromatography, ion exchange resin chromatography, and high performance liquid chromatography purification on the ultrafiltration enzyme hydrolysis liquid, so as to obtain the lipid-decreasing functional peptide. The lipid-decreasing functional peptide has the beneficial effects that most of lipid forming genes can be regulated down, the stacking of lipid is decreased, the lipid-decreasing function is realized, and the lipid-decreasing functional peptide canbe developed into lipid-decreasing medicines, health-care products and food additives.

The invention relates to a back coating device. The back coating device comprises a box body, and a back coating groove is formed in the box body. A hydrophilic roller in contact with back coating liquid, a coating roller propped against the hydrophilic roller and an auxiliary roller playing a propping role are mounted in the back coating groove. A back coating tank is mounted in the box body. A water outlet communicated with the back coating tank is formed in the bottom of the back coating groove. A water inlet is formed in the side wall of the back coating tank. A feeding pipe is installed at the water inlet, and the feeding pipe is communicated with the back coating groove. A water pump used for pumping back coating liquid is installed on the feeding pipe. A coiled pipe is installed inthe back coating tank, one end of the coiled pipe is communicated with the water outlet, the other end of the coiled pipe is communicated with the water inlet, and an electric heating wire used for heating the coiled pipe is wound on the peripheral side wall of the coiled pipe. The back coating device can be prevented from being condensed when used at a low temperature.

The invention discloses a biomass thermal cracking water-cooling carbon-gas co-production gasification system which comprises a gasification furnace, a cooling water tank and a plurality of groups ofgas purification systems. Each gas purification system comprises a sand filtration tank, a cooling tank, a filter, a centrifugal separator, a Roots blower and a gas storage tank which are sequentiallyconnected in series by adopting a gas delivery pipe B; a gas outlet of the gasification furnace is connected with a gas inlet of the sand filtration tank through a gas conveying pipe A; a ventilationvalve is arranged on the gas conveying pipe A; a coke outlet of a coke outlet hopper and the bottom ends of the sand filtration tank, the cooling tank, the filter and the centrifugal separator are connected with a liquid accumulation box through liquid discharging pipes respectively, and a liquid changing opening in the bottom of the liquid accumulation box and a liquid releasing opening of the gas storage tank are connected with a liquid storage pool through liquid changing pipelines. According to the biomass thermal cracking water-cooling carbon-gas co-production gasification system, efficient separation of biomass gas generated by the gasification furnace and other impurities is achieved; compared with the prior art, the disclosed system has the following advantages: purification efficiency of the biomass gas is remarkably improved, the purity of the biomass gas is improved, and then the combustion efficiency of the biomass gas is improved.

An automatic liquid mixing and quantitative addition device for industrial production is disclosed. The device includes a liquid storage chamber. The lower part of the left end of the liquid storage chamber is provided with a liquid discharging pipe. The left part of the upper end of the liquid storage chamber is fixedly connected to a liquid adding chamber. First to fifth baffle plats are fixedlymounted in the liquid adding chamber in order from top to bottom in an equally spaced manner. Through arrangement of a quantifying chamber, a first gas conveying pipe, a first check valve, a second gas conveying pipe, a second check valve, a first pushing plate, a push bar, a spring, a second pushing plate, a rotating disk, a drive motor, a switch valve and the liquid discharging pipe, the objective of quantitatively discharging liquid from the liquid storage chamber is achieved, quantitative liquid addition is optimized and labor is saved. Through arrangement of the first to fifth baffle plates and drain holes, the solution flowing path is increased, thus facilitating more uniform solution mixing.

The invention provides a solar baffling structural container type high-temperature solid heat storing device. The device comprises an outer heat insulated protecting housing which is elongated, wherein a heat transferring medium inlet and a heat transferring medium outlet are correspondingly formed in two ends of the outer heat insulated protecting housing; high temperature resistant baffling plates which are staggered at the upper part and the lower part are arranged in the outer heat insulated protecting housing between the heat transferring medium inlet and the heat transferring medium outlet; the bottom part and two sides of the high temperature resistant baffling plate at the lower part are connected to the inner wall of the outer heat insulated protecting housing, and a clearance isreserved between the top part of the high temperature resistant baffling plate at the lower part and the inner wall of the outer heat insulated protecting housing; the top part and two sides of the high temperature resistant baffling plate at the upper part are connected to the inner wall of the outer heat insulated protecting housing; and a clearance is reserved between the bottom part of the high temperature resistant baffling plate at the upper part and the inner wall of the outer heat insulated protecting housing. According to the device, a complete mechanical structure is adopted, so thatthe sealing performance is high; a container type structure is adopted, so that the convenience of conveying, mounting and arranging is ensured; inner parts and rotating parts are saved, so that thefault rate is low, and the maintaining workload is small; and a normal pressure device is provided, so that the cost is low.

The invention discloses an intensive cultivation chamber for potato seedling cultivation. The intensive cultivation chamber comprises a bracket. The periphery of the bracket is provided with a side walls. A transparent roof is arranged above the side walls. A sun shading device is arranged below the transparent roof. A seedling placement rack is arranged below the sun shading device. A cultivation space which is surrounded by the side walls is internally provided with a warmer. The warmer is connected with a boiler. The side wall which faces the warmer is provided with a drawing fan. The side wall next to the drawing fan is provided with a water curtain. The side wall which faces the water curtain is provided with a negative-pressure fan. The sun shading device comprises a first sun shading unit which is connected with the head end of a long tooth bar. The long tooth bar is provided with a second sun shading unit. The end of the long tooth bar is connected with the head end of the a sun shading rod. A third sun shading unit is arranged above the sun shading rod. According to the intensive cultivation chamber, the growing condition of the potato seedlings can be set according to a preset experiment condition, thereby realizing fine control. Furthermore the intensive cultivation chamber has advantages of better experiment effect, high convenience in use, labor-saving effect and simple operation.

The invention relates to an anesthetic waste gas extraction device for the anesthesiology department. The anesthetic waste gas extraction device comprises a purification box and a sterilization cylinder; a partition plate is arranged in the purification box and divides the internal space of the purification box into a first chamber and a second chamber; a communicating hole is formed in the partition plate and communicates the first cavity with the second cavity; a sodium hydroxide solution is arranged in the first cavity, a gas inlet pipe is arranged on the purification box, a gas pump is arranged on the gas inlet pipe, one end of the gas inlet pipe is inserted into the sodium hydroxide solution, and an adsorption layer is arranged in the second cavity; and the sterilization cylinder is provided with a sterilization cavity, the sterilization cylinder is provided with a gas inlet and a discharge outlet, the gas inlet and the discharge outlet are both communicated with the sterilizationcylinder, the gas inlet is communicated with the second cavity, the sterilization cylinder is provided with an ultraviolet lamp, and the lamp tube of the ultraviolet lamp is located in the sterilization cylinder and extends in the length direction of the sterilization cylinder.