11009 results about "Exhaust pipe" patented technology

The invention discloses a gas detector for air pollution detection, and belongs to the technical field of gas detection.The gas detector comprises an outer shell and an inner shell which are arranged in a sleeved mode and used for detecting gas to be detected; the adjusting mechanism is used for adjusting the height and angle of the detection mechanism; wherein an inner air inlet cavity is formed in the inner shell, and an outer air inlet cavity is formed between the outer shell and the inner shell; a sensor is mounted on the inner wall of the inner air inlet cavity; an exhaust pipe communicated with the inner air inlet cavity is arranged on the outer shell, and a fan is mounted in the exhaust pipe; a rotating ring is rotationally arranged on the radial inner wall of the outer shell and used for adjusting the opening and closing states of the inner air inlet cavity, the outer air inlet cavity and the exhaust pipe. The inner gas inlet cavity is a core detection area, a sensor is installed to make direct contact with to-be-detected gas, and the outer gas inlet cavity is a split-flow filtering area and serves as a temporary storage area of follow-up impurities. The exhaust pipe is communicated with the inner air inlet cavity, the fan is arranged in the exhaust pipe, and the fan provides active air suction and exhaust power and supports reverse blowing and cleaning of residual impurities in the cavity.

The invention discloses atomic layer deposition equipment and a deposition method, and the atomic layer deposition equipment comprises a reaction cavity; the first end of the main gas inlet pipeline is communicated with a reaction gas source, and the second end of the main gas inlet pipeline is communicated with the reaction cavity; the first end of the pressure control pipeline communicates with the main air inlet pipeline, and the second end communicates with the air pump; the first end of the inert gas pipeline is communicated with an inert gas source, and the second end is communicated with the reaction cavity; the first end of the exhaust pipeline is communicated with the reaction cavity, and the second end is communicated with the air pump. When the atomic layer deposition equipment introduces the reaction gas into the main gas inlet pipeline, the pressure in the pressure control pipeline is controlled to be greater than the pressure in the reaction cavity, so that the pressure of the reaction gas in the main gas inlet pipeline is rapidly increased in a short time, and the reaction gas is pressed into the reaction cavity and adsorbed on a substrate.

The invention discloses a defrosting control method and device, refrigeration equipment and a storage medium, and belongs to the technical field of defrosting. According to the defrosting control method, in the first stage, the heater is controlled to defrost the evaporator; entering a second stage when the defrosting state of the first stage meets a first condition; and in the second stage, a compressor exhaust pipe of the refrigerating system is controlled to communicate with the evaporator to conduct hot gas defrosting, and when hot gas defrosting is conducted under the first condition, the heat exchange medium flowing out of the evaporator is in a gaseous state. According to the defrosting control method disclosed by the invention, the heater is firstly controlled to defrost, and then the compressor is controlled to defrost by hot gas, so that staged defrosting is realized; the defrosting state of the first stage is controlled, so that the surface temperature of the evaporator is not too low when hot gas defrosting is carried out, heat exchange media flowing out of the evaporator are prevented from being liquefied, and liquid impact is prevented; and meanwhile, the heater is turned off in the second stage, and excessive heat generated by the heater can be prevented from overflowing to the compartment.

The invention relates to a gas nano purifier. The gas nano purifier comprises a mounting seat, the gas storage bin is installed on the installation base and used for storing clean gas, the side wall of the upper portion of the gas storage bin extends upwards to form an installation plate, and a gas path through hole is formed in the middle of the installation plate; the gas-water separator is mounted on the mounting plate and is used for carrying out primary purification on to-be-cleaned gas; the adsorption tower is mounted on the mounting plate and is used for carrying out secondary purification on the to-be-cleaned gas; gas to be cleaned sequentially flows through the gas-water separator and the adsorption tower and then enters the gas storage bin; the adsorption tower is communicated with the gas storage bin through an exhaust pipe; and the exhaust pipe penetrates through the gas path through hole. Through the arrangement, the installation operation is greatly simplified, and the integrity and the space utilization rate of equipment are improved.

The utility model provides a waste liquid treatment device for coal gas desulfurization, belongs to the technical field of wastewater treatment, and aims to solve the problems that only part of suspended solids can be removed or the pH value can be adjusted during desulfurization wastewater treatment in the prior art, and collaborative removal of pollutants such as sulfides, ammonia nitrogen, heavy metals and the like cannot be realized. The device comprises a waste liquid pool, a reaction tank, a decomposition tank and an ultrafilter which are sequentially communicated through communicating pipes, the waste liquid pool is connected with a liquid inlet pipe and is internally provided with a filter plate with filter holes, a first stirring shaft with stirring blades driven by a first motor is arranged in the reaction tank, the top of the reaction tank is connected with a liquid adding pipe, a second stirring shaft with stirring blades driven by a second motor is arranged in the decomposition tank, one side of the decomposition tank is provided with an air blower connected with the decomposition tank through an oxygen supply pipe, and the top of the decomposition tank is connected with an exhaust pipe. The device realizes full-flow treatment of waste liquid, the filter plate removes large impurities to prevent blockage, stirring promotes chemical reaction, oxygen supply and stirring improve microbial activity, the ultrafilter ensures effluent quality, efficient and continuous treatment can be realized, and pollution is reduced.

The invention discloses a forging part surface defect detection mechanism, and belongs to the technical field of forging part detection. The forging part surface defect detection mechanism comprises a detection table, a flaw detector is installed on the outer wall of the top end of an electric cylinder, a cleaning assembly used for cleaning oxide skin on the surface of a forging part is arranged on the outer wall of the detection table, and a driving assembly is arranged on the inner wall of a supporting plate. The distance between the front push block and the rear push block can be adjusted according to the length of the cylindrical forging part through rotation of the small-lead screw rod, and after the cylindrical forging part is placed on the surface of the supporting plate, the small-lead screw rod drives the front push block and the rear push block to push the cylindrical forging part to slowly move towards the flaw detector. And meanwhile, the first driving roller and the second driving roller push the cylindrical forging part to rotate rapidly, at the moment, the cleaning assembly moves towards the surface of the cylindrical forging part, a sealing area is formed on the surface of the cylindrical forging part, the grinding disc is started to grind oxide skin in the sealing area, and dust and impurities generated during grinding are intensively discharged through the exhaust pipe.

The invention discloses a microwave digestion tank with a rapid pressure reduction structure, and relates to the technical field of microwave digestion tanks. The microwave digestion tank with the rapid pressure reduction structure comprises a tank body and a tank cover, a mounting cavity is formed in the tank cover, a through hole is formed in the bottom of the mounting cavity, and an exhaust pipe is fixedly connected to the top of the through hole. According to the microwave digestion tank with the rapid pressure reduction structure, during rapid pressure reduction, when high-pressure gas in the sealing cavity is discharged through the through hole, gas-liquid separation, gas discharge and liquid return into the sealing cavity can be performed through the gas-liquid separation device, so that the liquid in the tank body is prevented from being taken out by gas flow, and the accuracy of a detection result is ensured.

The invention discloses a virtual sensing method for thermal characteristics of an internal combustion engine. The method comprises the following steps: S1, acquiring temperature distribution data; s2, time sequence temperature data mapping; s3, acquiring fusion temperature data; s4, obtaining thermal characteristics; and S5, abnormal judgment of a combustion chamber, an exhaust pipeline and a cooling system. According to the method, the comprehensiveness and the accuracy of thermal state analysis are remarkably improved by constructing a global sensing system of a three-dimensional space temperature field of the internal combustion engine and combining a multi-source sensor collaborative acquisition and deep learning feature fusion mechanism. Through closed-loop coupling of time-space sequence temperature data and a thermodynamic mechanism model, quantitative correlation between thermal characteristics and combustion efficiency, heat energy loss and cooling efficiency core performance parameters is established. According to the LSTM-CNN-MLP collaborative framework, the spatio-temporal evolution law of a temperature field is extracted in a self-adaptive mode, and the robustness of thermodynamic state perception is remarkably enhanced.

The utility model relates to the technical field of exhaust pipe processing, in particular to a pipe expanding device for automobile exhaust pipe processing, which comprises a base and an expanding component, the expanding component comprises a support frame, a barrel, an expanding block, a movable block, a control component and a connecting component, the support frame is fixedly connected with the base and positioned on one side of the base, and the barrel is fixedly connected with the support frame and positioned on the other side of the base. The cylinder is arranged on the base and located on the side, away from the base, of the supporting frame, the expansion block is installed at one end of the cylinder in a sliding mode, the movable block is connected with the cylinder through the control component, the control component is installed on the cylinder and drives the movable block to move, and the connection component is connected with the expansion block and the movable block. Only an exhaust pipe with a single size can be expanded, and the adaptability is poor.

The utility model relates to a high-voltage cable buffer layer ablation characteristic gas detection device which comprises a gas acquisition unit, a gas detection unit, a data processing unit and an alarm unit, the gas collection unit comprises a circulating pump, a vacuum pump, a sampling gas cylinder, a pressure sensor and a plurality of valves, the gas detection unit comprises two detection modules, the gas inlet pipe is connected with a first electromagnetic valve, then is connected with the sampling gas cylinder and is connected with the circulating pump through a second electromagnetic valve, and the circulating pump is connected with the two detection modules through an electromagnetic three-way switching valve. An outlet of the sampling gas cylinder is connected with a third electromagnetic valve, then connected with an inlet of a vacuum pump, connected with a fourth electromagnetic valve and then connected with two detection modules at the same time; the first detection module is composed of a gas concentration sensor, a temperature sensor and a humidity sensor, and the second detection module is a gas sensor array. The device can perform field detection on gas generated in the ablation process of the buffer layer of the high-voltage cable, so that potential faults of the cable can be found and early warned in time.

The utility model relates to the technical field of household appliances, in particular to a liquid drainage mechanism and cooking equipment applying the same. The liquid discharge mechanism comprises a box body, a liquid inlet pipe, an exhaust pipe and an atomization mechanism, the liquid inlet pipe is communicated with the interior of the box body, the exhaust pipe is respectively communicated with the interior of the box body and the flue, at least part of the atomization mechanism is arranged in the box body, and gas formed by liquid in the box body through the atomization mechanism can be discharged to the flue through the exhaust pipe. Through the arrangement of the liquid discharging mechanism, waste water in the liquid discharging mechanism can be directly converted into a gas state and discharged from the flue, and the cleaning frequency and cleaning difficulty of a user on the liquid discharging mechanism and the oil cup are reduced. The cooking equipment comprises the liquid discharging mechanism, so that the cleaning frequency and cleaning difficulty of the liquid discharging mechanism and the oil cup by a user can be reduced.

The invention relates to the technical field of workshop dust removal, in particular to a movable dust removal device and a using method.The movable dust removal device comprises two adjacent steel stand columns for supporting in a workshop, the two steel stand columns are slidably connected with a dust removal cover through a lifting mechanism, and the air outlet end of the dust removal cover is fixedly connected with an exhaust pipe; the end, away from the dust removal cover, of the exhaust pipe is fixedly connected with a first corrugated pipe, the lifting mechanism comprises two trapezoidal lead screws, the two trapezoidal lead screws are rotationally connected to the two steel stand columns correspondingly, lifting blocks are further slidably connected to the two steel stand columns, lead screw nuts are arranged in the lifting blocks, and the two trapezoidal lead screws are connected to the two steel stand columns correspondingly. A trapezoid lead screw is installed on the lifting block, a lead screw nut is matched with the trapezoid lead screw, the lifting block is connected with the dust hood through an installation assembly, and a power assembly is installed on the ground and is in transmission connection with the trapezoid lead screw. The dust removal cover has the advantages that the flexibility of the dust removal cover is guaranteed, meanwhile, the height precision adjusting capacity is improved, operation is easy, and safety is high.

The invention discloses a three-chuck zero-tailing pipe cutting machine, and relates to the technical field of pipe machining equipment, the three-chuck zero-tailing pipe cutting machine comprises a rack and a middle chuck, the middle chuck is located on the rack, the middle chuck comprises two sets of first clamping jaws and two sets of second clamping jaws, the top of each set of first clamping jaws is fixedly connected with a protection block, and a first air cylinder is arranged in each protection block; three sets of driving wedge blocks are fixed to the inner side of the first air cylinder, each set of driving wedge blocks are horizontally arranged in the vertical direction of the axis of the first air cylinder, one side of each set of driving wedge blocks is in contact connection with a driven wedge block, the inclined face of each driven wedge block is matched with the inclined face of the corresponding driving wedge block, and a pressurizing clamping jaw is fixed to one side of each driven wedge block. An air inlet pipe and an exhaust pipe are arranged on the outer side of the first air cylinder, a baffle is connected to the outer side of the protection block through bolts, the air inlet pipe and the exhaust pipe penetrate through the baffle, and through holes are formed in the two ends of the protection block.

The application belongs to the technical field of organic waste gas treatment, and discloses an organic waste gas adsorption and filtration treatment system, which comprises an adsorption and filtration mechanism and an air inlet mechanism; the adsorption and filtration mechanism is arranged on the air inlet mechanism; the air inlet mechanism comprises an air inlet tank, and the adsorption and filtration mechanism comprises a treatment tank which is connected to the air inlet tank and can communicate with the air inlet tank; each of three chambers in the treatment tank is provided with an activated carbon assembly; an exhaust pipe is communicated with the top of the treatment tank; a three-way pipe is communicated in the air inlet tank; two ends of the three-way pipe in the air inlet tank are respectively connected with fixed pipes; three air block I are fixedly communicated above the fixed pipes; and air cylinders are fixedly communicated with the top of the air block I. The design can uniformly distribute the waste gas to each activated carbon assembly, thereby guaranteeing the consistency of the use degree of the activated carbon assemblies and guaranteeing the same replacement period of each activated carbon assembly.

The power supply device houses a plurality of secondary battery cells in an inner case and is covered with an outer case. The inner housing has a laminated portion formed by partially laminating a first plate and a second plate constituting a side wall in an intermediate region. The first plate is provided with a plurality of rows of groove-shaped recesses on a surface facing the second plate, a notch formed by cutting one end of each groove-shaped recess is set as a first open part, and the second plate closes the first open part side of the plurality of rows of groove-shaped recesses to form a cylindrical exhaust duct in a state of being laminated on the first plate. The other end portion of the plurality of rows of groove-shaped recesses is not closed, but is opened to form a second open portion, and the exhaust duct communicates with the inside and the outside of the inner housing through the first open portion and the second open portion.

The invention discloses an efficient thermal cycle drying device for producing flaky ammonium bifluoride, and relates to the technical field of ammonium bifluoride production. Comprising a machine body, an exhaust pipe and an air inlet sleeve, a first shell and a second shell are sequentially mounted at the upper end of the machine body from left to right, an air inlet cavity is formed in the bottom of the inner side of the machine body, and a mounting cylinder is connected to the upper end of the air inlet cavity through a spring; through cooperation of a mounting cylinder, a movable cylinder, a scraping plate and a first adjusting assembly, when materials are subjected to traditional one-way vibration blowing heat exchange, the materials are thrown and turned in the other direction to increase the drying uniformity, meanwhile, the air flow pressure of an exhaust hole is correspondingly adjusted, and the heat exchange drying effect is improved; and through cooperation of the movable barrel and the second adjusting assembly, when materials with the large water content and the large feeding amount are dried, the moving speed of the materials is increased, meanwhile, the air flow pressure of the exhaust holes is correspondingly adjusted, and the heat exchange drying effect is improved.

The invention discloses a tobacco peculiar smell treatment system for cigarette production based on spraying pressure regulation, and relates to the technical field of waste gas treatment equipment.The treatment system comprises a base, a control box, a photocatalytic oxidation chamber, a spraying mechanism, a smoke exhaust pipe and an exhaust pipe, and the control box, the photocatalytic oxidation chamber and the spraying mechanism are all fixedly connected with the base; the spraying mechanism comprises a tower body, a smoke exhaust port is formed in the tower body, the smoke exhaust pipe is fixedly connected with the smoke exhaust port and the photocatalytic oxidation chamber, the photocatalytic oxidation chamber is fixedly connected with the exhaust pipe, and the control box is connected with the photocatalytic oxidation chamber and the spraying mechanism through electric signals; according to the device, secondary treatment of multi-stage spraying, photo-oxidation catalysis and activated carbon adsorption is combined, harmful substances and peculiar smells in waste gas are thoroughly removed, the waste gas washing effect is improved by changing the stirring and spraying filler frequency and adjusting the spraying cleaning liquid pressure, and the tobacco waste gas treatment effect is greatly improved.

The invention relates to the technical field of ion exchange equipment, and particularly discloses an ion exchange device and method for removing bubbles, the ion exchange device comprises a shell, the bottom of the shell is provided with a feed port, and the top of the shell is provided with a discharge port; the ion exchange assemblies are arranged in the shell and are arranged at intervals in the axial direction of the shell, and stirring gaps are formed in the two ends of each ion exchange assembly; the stirring assembly comprises a driving source, a stirring shaft and a plurality of stirring paddles, the driving source is installed outside the shell and is in transmission connection with the stirring shaft, the stirring paddles are installed on the stirring shaft, and at least one stirring paddle is arranged in each stirring gap; the exhaust pipes are in one-to-one correspondence with the ion exchange assemblies, the exhaust pipes are arranged at the tops of the ion exchange assemblies, and the exhaust pipes extend from the middle of the stirring gap to the outside of the shell in the radial direction of the shell. According to the invention, bubble removal is facilitated, and the ion exchange process is more stable.

This invention relates to the field of air pollution control technology, and in particular to a spray tower for effectively purifying air pollution. The spray tower includes an air inlet fixed to the bottom of one side, a suction hood fixed to the upper surface of the spray tower, and an exhaust pipe fixed to the top of the suction hood. An anti-clogging recovery component and a spraying mechanism are installed inside the spray tower, and a collection box is fixed to one side of the spray tower corresponding to the position of the anti-clogging recovery component. This invention utilizes a spray pipe mechanism to enhance the rate of the neutralization reaction through the synchronous rotation of a rotating disk and a rotating block, and enhances the spatial separation of the two solutions through centrifugal force, reducing cross-mixing. This avoids ineffective neutralization of acid and alkali solutions and achieves continuous and efficient treatment. Combined with the anti-clogging recovery component, the activated carbon balls inside the fixed cylinder are promptly recovered and cleaned, ensuring that efficiency is not reduced due to clogging during air pollution purification, and preventing ineffective adsorption of activated carbon balls due to prolonged use.

The invention discloses a method for actively regulating and controlling the temperature of an exhaust pipe under the sliding working condition of an engine, and relates to the engine control technology, the current working condition of the engine is recognized, and if the current working condition is the sliding working condition, an exhaust temperature increasing regulation and control mode is started; according to the exhaust temperature increasing regulation and control mode, a temperature rise demand target is calculated according to the temperature difference value between the current exhaust temperature of an exhaust pipe of the engine and the set target exhaust temperature, and a temperature rise control strategy is selected according to the temperature rise demand target and executed. The invention further discloses a system for actively regulating and controlling the temperature of the exhaust pipe under the engine sliding working condition. The exhaust temperature in the sliding process is increased, the cold and hot temperature difference of the exhaust pipe is reduced, and therefore the reliability of the exhaust pipe is improved.

The invention relates to the technical field of chemical plant smoke filtering, in particular to a chemical plant discharge filtering device with a monitoring function, which comprises a barrel, a gas inlet pipe, a gas outlet pipe and the like, the barrel is communicated with the gas inlet pipe, and the top of the barrel is communicated with the gas outlet pipe. Indexes of pollutants such as sulfur dioxide, nitric oxide, carbon monoxide and carbon dioxide in flue gas can be detected through the flue gas sensor, when the flue gas sensor detects that the pollutants in the flue gas exceed the standard, the controller can control an electric guide rail to work, the electric guide rail drives a first push plate to move forwards, and a first sealing plate can also move forwards; the first sealing plate seals the exhaust pipe, real-time response can be achieved after the filter element is aged and breaks down, the filter element is replaced without shutdown under the condition that it is ensured that smoke does not leak, smoke which is not completely purified is prevented from being exhausted out, and therefore pollution to the environment can be avoided.

Provided is a semiconductor fabrication facility including a chamber, a gas supply configured to provide reaction gas to the chamber, a plurality of vacuum pumps respectively configured to pump the reaction gas from the chamber, an exhaust apparatus that is connected to the plurality of vacuum pumps and configured to purify the reaction gas, an exhausting line between the exhaust apparatus and the plurality of vacuum pumps, a thickness detection apparatus connected to the exhausting line and configured to detect a thickness of a byproduct layer in the exhausting line, and a processor connected to the thickness detection apparatus and configured to display preventive maintenance of the exhausting line based on the thickness of the byproduct layer being greater than a threshold value.

The invention relates to the technical field of exhaust and noise elimination, and discloses a wind power cabin exhaust silencer which comprises an exhaust pipe and a noise elimination pipe which are communicated with each other, an exhaust fan for driving gas to move towards the noise elimination pipe is arranged in the exhaust pipe, and multiple sets of sound absorption assemblies rotating synchronously are arranged in the noise elimination pipe. A gap for air to flow is formed between every two adjacent sound absorption assemblies, and an acute included angle is formed between the plane of each sound absorption assembly and the airflow direction; the sound absorption assembly comprises a first rotating frame and a second rotating frame which are sequentially arranged in the airflow direction and hinged to each other, and sound absorption plates are arranged on the side faces, making contact with airflow, of the first rotating frame and the second rotating frame. According to the silencer, by arranging the included angle adjusting assembly, the included angle between the first rotating frame and the second rotating frame in the silencing pipe is dynamically adjusted, linkage control is conducted on the included angle and the rotating speed of the exhaust fan, and the silencing performance of the silencer can be adaptively optimized according to the actual thermal load of a wind power cabin.

The invention discloses a flue gas purification device for butadiene rubber processing, and relates to the technical field of flue gas purification, the flue gas purification device comprises a filter box and a purification box, the filter box is fixedly connected to the top of the purification box, the bottom of the filter box communicates with the top of the purification box, and the two sides of the outer wall of the filter box are correspondingly connected with a flue gas inlet pipe and a flue gas exhaust pipe respectively; two sets of fixing frames are fixedly and symmetrically arranged in the filter box, each set of fixing frames comprises two fixing frames, a coarse filter screen and a fine filter screen are inserted between the two opposite sets of fixing frames, cleaning mechanisms are arranged on the two sides of the outer wall of the coarse filter screen and the two sides of the outer wall of the fine filter screen, and a spraying mechanism used for spraying smoke is installed on the inner bottom wall of the filter box. Through cooperation of the cleaning mechanism and the spraying mechanism, flue gas can be sprayed and purified when filtered, and impurities and particles attached to the coarse filter screen or the fine filter screen are brushed away, so that the flue gas purification effect is improved.

Disclosed is semiconductor manufacturing equipment. The semiconductor manufacturing equipment includes: a remote plasma source used configured to generate plasma; a reaction chamber coupled to the remote plasma source, and defining a space in which a wafer is processed; an exhaust pipeline coupled to the reaction chamber through an exhaust port, and configured to discharge by-products generated in the reaction chamber; a first pipeline coupled to the reaction chamber; a second pipeline coupled to the exhaust pipeline through the exhaust port; and an analyzer configured to analyze a first gas mixture received from the reaction chamber through the first pipeline.

The utility model discloses a vertical steam-water separator which comprises a tank body, the tank body is communicated with a steam inlet pipe, an exhaust pipe and a drain pipe, a baffle plate for dividing the tank body into an inner cavity and an outer cavity is arranged in the tank body, and a heat insulation material is packaged in the inner cavity, so that the baffle plate can be kept in a high-temperature state. And water vapor entering the tank body is prevented from being cooled and condensed on the surface of the baffle plate with relatively low temperature. The inner cavity is fixedly arranged on the tank body through two nested and separated barrels, a through hole is formed between the two barrels, high-temperature water in the steam-water separator can be kept for a period of time in the tank body through the two barrels, continuous evaporation of the high-temperature water is facilitated, after the liquid level exceeds the through hole, the electronic liquid level meter sends out a signal, the PLC control system opens the electronic valve, and the steam-water separator is started. The drainage work is completed through the siphon principle.

The invention discloses a copper wire annealing temperature gradient control device which comprises a box body, and an inert gas supply source, an induction heating power supply, a control unit and a cooling water supply source are arranged outside the box body. The front end of the box body is provided with a door body, a left hinge and a right lock catch. A connecting seat is arranged at the bottom in the box body, a mounting plate is arranged at the middle upper part of the box body, and a vertical guide rail column is detachably mounted between the connecting seat and the mounting plate; clamping structures are arranged at the upper and lower ends of the base; and copper wires are detachably mounted on the clamping structures. And two ends of the electromagnetic heating coil penetrate out of the box body and are connected with an induction heating power supply. And the top of the base is connected with the take-up and pay-off equipment through a stay wire. Two temperature measuring assemblies are arranged on the box wall and located above and below the electromagnetic heating coil respectively. The lower end of the side wall of the box body is connected with an inert gas supply source, and the upper end is provided with an exhaust pipe with a valve and an online gas detector. The side wall of the box body is connected with an inclined bent pipe and an emptying pipe with a valve, and a water inlet pipe penetrates through the side wall of the box body and is connected with the box body.

The utility model discloses energy-saving deodorization type sewage treatment environment-friendly equipment, which particularly relates to the technical field of sewage treatment and comprises a reaction barrel, a support frame fixedly connected to the outer side of the reaction barrel, a connecting hopper communicated to the top end of the reaction barrel, the connecting hopper and the reaction barrel are fixedly connected through bolts, one side of the connecting hopper is communicated with an exhaust pipe, and the bottom end of the reaction barrel is communicated with a drainage pipe. The top end of the reaction barrel is communicated with a filter box, a filter assembly is mounted in the filter box, a circulating mechanism is mounted on the outer side of the reaction barrel, and a first deodorization layer, a second deodorization layer and an activated carbon filter plate are mounted in the reaction barrel. By arranging the filtering assembly and the circulating mechanism, large solids in sewage can be effectively filtered, so that the content of the solids in the sewage can be reduced, the service life of equipment is prolonged, meanwhile, the sewage circularly flows among the first deodorization layer, the second deodorization layer and the activated carbon filter plate, and the sewage treatment efficiency is improved. The full contact of the sewage with the adsorption material and the microorganisms is ensured, so that the treatment efficiency is improved.

The utility model discloses a diffusion type exhaust passage structure of double-screw gas conveying equipment, which mainly comprises an air cylinder and an axial exhaust pipe arranged on the air cylinder, and the diffusion type exhaust passage structure of the double-screw gas conveying equipment comprises the specially designed axial exhaust pipe. The direction of the airflow in the pipeline is basically consistent with that of the airflow from the compression cavity, so that mechanical loss caused by rapid turning of the airflow in a traditional structure can be avoided. A guide plate device is specially designed at an inlet of the axial exhaust pipe. Air flow from the compression cavity directly flows into the gaps of the guide plates and moves forwards along the guide plates, and energy loss caused by air turbulence in a traditional structure can be reduced. A plurality of diffusion areas are formed at the inlet of the exhaust pipe by utilizing the guide plate and the inner wall of the pipeline, and the dynamic pressure of high-speed airflow from the compression cavity is converted into static pressure by utilizing the diffusion areas, so that the pressure is increased while the speed is reduced, and the energy loss caused by the high-speed airflow is avoided.

The present invention relates to the field of electric power auxiliary apparatuses. Disclosed is a transformer breathing drying device, comprising a drying mechanism which comprises a bottom plate, a silica gel tank located on one side of the surface of the bottom plate, a heating plate located on the inner wall of the silica gel tank, an air inlet pipe passing through one side of the silica gel tank, an air exhaust pipe passing through the other side of the silica gel tank, a dehumidification pipe passing through the top portion of the silica gel tank, a condensation pipe communicated with one end of the dehumidification pipe, and a collection box located at one end of the condensation pipe. On the basis of the switching between the air drying state and the silica gel drying state, and in combination with pressure changes in the silica gel tank during heating, the present invention can achieve automatic opening of an opening and closing member and automatic closing of an air inlet partition member and an exhaust partition member, thereby enabling heating and drying of water vapor in silica gel particles, and enabling smooth discharge of the evaporated water vapor. This process eliminates the need for disassembly of the silica gel tank and replacement of the silica gel particles, allowing the silica gel particles to be recycled and reused.