42 results about "Sight glass" patented technology

The utility model provides a kind of oil sight glass with cleaning function belongs to oil sight glass field, it includes installation main body, equipment connecting part is provided in one end of installation main body, sight glass is installed in the other end of installation main body, the end of installation main body close to sight glass is provided with cleaning hole, cleaning assembly is installed below cleaning hole;It further includes operating lever, the end of operating lever can be passed through cleaning hole and be connected with cleaning assembly transmission, and cleaning assembly is controlled to carry out cleaning operation, to effectively remove the dirt, impurity etc. pollutant attached to the surface of sight glass.The utility model has the beneficial effect that it can clean the inner wall during the operation of oil sight glass, effectively remove the dirt, impurity etc. pollutant attached, so that operator can better monitor lubricating oil level.

The utility model relates to the technical field of condenser discloses a water chilling unit condenser visible inspection end cover, including the cover body of layout in the condenser end, is equipped with the observation port for observing the inside of condenser on the cover body, is equipped with the sight glass made of toughened glass on the observation port, and the sight glass is connected with the cover body through the flange, and forms sealed closure to the observation port. Through being equipped with the observation port on the cover body, being equipped with the sight glass on the observation port, whether the welding slag, foreign matter in the condenser after the installation is checked, and the structure situation of water chilling unit condenser in normal operation, the scale removal situation and water quality condition etc. during chemical cleaning are observed, to avoid the damage of water chilling unit.

The utility model discloses a kind of blending kettle with intelligent sight hole lamp, it is related to the technical field of blending kettle, the utility model includes the top of shell is equipped with several sight glasses, the upper end of sight glass is equipped with sight hole lamp, the upper end of shell is also provided with manhole, the edge portion of manhole is hinged with manhole cover by hinge structure;Magnetic control sensor is integrated in the circumferential edge portion of manhole, and permanent magnet assembly is embedded in the coaxial corresponding position of manhole cover inner side, touch sensor is integrated in the installation base adjacent area of sight hole lamp, the output signal end of magnetic control sensor and touch sensor is respectively accessed microcontroller, microcontroller controls the power supply loop on-off of sight hole lamp by relay drive circuit.The application is coupled with the magnetic field of magnetic control sensor and permanent magnet to realize accurate linkage with opening action, without manual intervention.Touch sensor adjacent to sight hole lamp provides intuitive operation, responds quickly, and it is convenient, low in cost, avoid the security risk of line aging or damage.

This utility model provides an automatic sight glass switching device for a silo, comprising a conveying pipe, a sight glass switching device, and a controller. The conveying pipe is located at the bottom of the silo and has a material valve. The sight glass switching device includes a rotating disk, a drive motor, and two sight glass tubes. Each sight glass tube has a window on its side wall, and the window is fitted with transparent glass. The rotating disk has two through holes, and the two sight glass tubes are vertically fixed to the rotating disk and communicate with the through holes respectively. The drive motor is located below the rotating disk and drives the rotating disk to rotate. Either sight glass tube can be connected to the bottom of the conveying pipe. The controller is connected to the drive motor. This utility model is a simple, easy-to-operate, and efficient automatic sight glass switching device for a silo that eliminates the need for machine downtime for cleaning.

The utility model discloses a fluorine lining check valve of sight mirror, including valve body and valve core, is equipped with fluorine lining layer on the valve body inner wall, is equipped with the inlet channel, the middle cavity and the outlet channel of intercommunication in proper order in the valve body, and the valve core is movably arranged in the middle cavity, and the upper and lower both ends position of valve body corresponding middle cavity is equipped with an observation port respectively, and the observation port is installed with transparent sight mirror, the front and back both sides of middle cavity inner wall are symmetrically equipped with guide block, and the side of guide block is equipped with guide groove close to valve core, and the front and back both sides of valve core are slidably connected with the guide groove of two guide blocks respectively, and the valve core has the check position of abutting the inner end of inlet channel and the lead-through position of separating the inner end of inlet channel when being movable, and the end of guide block close to outlet channel still is equipped with the limiting boss for constituting the limiting of valve core and making valve core unable to abut the inner end of outlet channel. The utility model not only can observe the condition of valve inside at any time, but also has clear observation field, is not blocked, and greatly promotes user experience.

The application relates to the technical field of industrial sight glasses, in particular to a flange type high-pressure sight glass. The sight glass body is internally formed with an installation cavity, the installation cavity is internally installed with a window glass assembly, the outer end of the sight glass body is installed with a compression ring for limiting the position of the window glass assembly through screws, high-pressure gaskets are arranged between the window glass assembly and the compression ring, and the side, away from the compression ring, of the window glass assembly is also provided with the high-pressure gaskets. High-pressure gaskets are arranged between the window glass assembly and an electronic endoscope and on the other side of the window glass assembly, and undertake the main sealing task; meanwhile, auxiliary sealing pieces are additionally arranged between the two sides of the window glass assembly and the high-pressure gaskets. The main and auxiliary sealing pieces are combined, can effectively cope with the coupling effect of possible slight deformation and medium corrosion under high pressure, greatly improve the sealing reliability during long-term use, and meet the strict requirement of zero leakage under super-high-pressure working conditions.

The utility model discloses a ferris wheel observation mirror play teaching aid, including base, the fixed mounting support on the base, is connected the wheel disc through the pivot on the support, and the lens mounting hole is evenly set up on the wheel disc, and the lens mounting hole is all installed the lens, and the one end of pivot is connected the rotating handle. The utility model carries out the creative collocation of various types of lens and ferris wheel, and the child can switch the lens through the rotating handle, and observes and touches the lens, understands the characteristics of lens, discovers the convergence and diffusion of light under the lens, observes the magical change of object under different lenses, for example enlarges, shrinks, upside down, color change etc.

The utility model relates to a kind of chemical liquid component detection devices in the field of chemical liquid phase detection equipment, including ultrasonic detector, intelligent sight glass detector and multi-way valve;The multi-way valve includes the shell of regular hexahedron structure and the spherical inner cavity in the shell, liquid inlet and liquid outlet are respectively arranged on the upper and lower surface of the shell, the ultrasonic detector and the intelligent sight glass detector are installed with the structure of the included angle 90 ° in the side of the shell and with the spherical inner cavity being communicated. The utility model discloses chemical liquid component detection device, by integrating the liquid detection device of two different working principles of ultrasonic detector and intelligent sight glass detector on the multi-way valve of regular cubic structure, the detection precision of chemical liquid component can be significantly improved, while the deficiency of single detection instrument equipment is solved, and the application scenario is expanded.

The utility model discloses a kind of observation windows based on MPCVD equipment, including lens gland, the side of lens gland is provided with mounting pipe, lens gland and the observation lens of being provided in mounting pipe are set, the outer wall of mounting pipe is fixedly connected with slide rail, the outer wall of mounting pipe is fixedly connected with annular plate, the inner wall of annular plate is slidably connected with four sliding blocks, sliding block is slidably connected slide rail, the side of sliding block is fixedly connected with baffle, four square grooves are set on annular plate, limit plate is set in square groove, the side of limit plate is inclined surface, limit plate is fixedly connected with sliding plate on the side away from inclined surface, the both ends of sliding plate are all provided with guide rod, guide rod is sleeved with return spring, guide rod is fixedly connected annular plate. The utility model is convenient for installation and disassembly observation lens to clean observation lens, effectively simplify installation and disassembly step, significantly reduce operating time, improve work efficiency, reduce equipment downtime.

The utility model provides a kind of automobile air conditioner exempts from fluorine replacement valve core wrench, it is related to valve core wrench technical field, including wrench main part, the front end of wrench main part is provided with protection assembly, the protection assembly includes sight glass, the outer surface of the sight glass is provided with protective cover, the both sides of the protective cover are all set up with slot. In the utility model, when using wrench main part to disassemble valve, gas flow can be observed by sight glass, and protective cover is installed to realize the protection of sight glass, avoid the problem that it is inconvenient to observe due to serious abrasion, protective cover also has quick disassembly function, when the surface of protective cover is seriously abraded and needs to be disassembled and replaced, handle can be pulled to both sides simultaneously, push rod and push plate are driven by handle to extrude spring, and insert block is extracted from the position of slot, then protective cover is pulled outward, and protective cover is removed to complete quick disassembly immediately, reduce maintenance cost.

The utility model relates to the technical field of case production and processing, disclose a screw air compressor case, including base, the outer wall fixedly connected with box of base, the inner wall slidingly connected with the air -permeable board of box, the outer wall of box is provided with the electric cabinet, the electric cabinet electric connection has the controller, the controller respectively with motor, inlet valve and fan electric connection, the outer wall fixedly connected with the bracket of motor, the output fixedly connected with host computer of motor, the air inlet end of host computer is connected with air filter through inlet valve, the exhaust end of host computer is connected with oil gas bucket, the outer wall of oil gas bucket is equipped with oil sight glass, in the utility model, through electric cabinet and controller etc.

The application discloses a refrigeration system of a gas supplementing and enthalpy increasing compressor and relates to the technical field of refrigeration and heating systems.The refrigeration system comprises a compressor, a condenser, a three-in-one device, a drying filter, a liquid pipe sight glass, an evaporator, a throttling device and a gas supplementing device; the outlet of the compressor is connected with the inlet of the condenser; the outlet of the condenser is connected with the first inlet of the three-in-one device; the first outlet of the three-in-one device is connected with the inlet of the evaporator; the outlet of the evaporator is connected with the second inlet of the three-in-one device; the second outlet of the three-in-one device is connected with the suction port of the compressor, thereby forming a refrigeration circuit; and the gas supplementing port of the compressor is connected with the third outlet of the three-in-one device through a gas supplementing electromagnetic valve, thereby forming a gas supplementing circuit.The refrigeration system of the gas supplementing and enthalpy increasing compressor provided by the application can increase the supercooling degree and the superheating degree of the system and further improve the energy efficiency of the system compared with any form of gas supplementing structure.

The utility model relates to the technical field of chemical equipment, in particular to continuous production equipment, which comprises first-stage tar kettle residue drying and cracking equipment, second-stage tar kettle residue drying and cracking equipment, third-stage tar kettle residue drying and cracking equipment, third-stage tar kettle residue drying and cracking equipment, fourth-stage tar kettle residue drying and cracking equipment and fourth-stage tar kettle residue drying and cracking equipment, an arc-shaped scraper is fixed on the outer wall of the stirring shaft; the conveying barrel and the first outer barrel are integrally communicated, the other end of the conveying barrel is perpendicularly communicated with the discharging barrel, the sight glass is arranged at the top of the discharging barrel, the conveying rod is installed in the shaft seat in a shaft seal mode, and the sealing performance of the device is guaranteed. The arc-shaped scrapers spirally arranged on the stirring shaft of the equipment form plug flow, backmixing and wall sticking of materials are avoided, stirring is more uniform, the heat transfer efficiency is remarkably improved, discharging is smoother through the matched design of the conical necking opening of the conveying barrel and the vertical discharging barrel, the solid discharging rate can be increased, the liquid residual rate can be reduced, meanwhile, material conveying is more convenient, and the service life of the equipment is prolonged. The blockage cannot easily occur.

The utility model discloses a glycerol residue demulsification and sedimentation device in biodiesel production, which comprises a stainless steel stirring tank with a jacket, a dial thermometer and a magnetic flap liquid level meter, a stirrer, an observation sight glass and a feeding pipe on the top of the tank, a hydrophobic valve on the side of the upper part of the tank, a steam inlet valve on the lower part of the tank, a glass liquid level meter on a stainless steel feeding tank, an outlet pipeline connected to the top of the stainless steel stirring tank, a glycerol buffer bag and a pneumatic valve connected to the outlet pipeline of the stainless steel stirring tank, a glycerol storage tank connected to the other end of the outlet pipeline, a gear pump connected to the outlet pipeline of the glycerol storage tank, a sampling ball valve arranged in front of the gear pump, and an outlet pipeline of the gear pump connected to the feeding pipeline of the stainless steel stirring tank and a glycerol recovery pipeline. The utility model has the advantages of high efficiency and reliability in the glycerol residue demulsification and sedimentation treatment in biodiesel production, which can greatly improve the raw material utilization rate and the product yield in biodiesel production and reduce the difficulty in subsequent processing of the by-product crude glycerol.

This invention relates to the field of silica moisture detection technology and discloses a near-infrared light-based silica moisture detection device for silica production. The device includes a feed pipe installed below a material rotary valve, a sight glass pipe mounted on the surface of the feed pipe, and a high-borosilicate tempered glass plate mounted on the sight glass pipe. An installation rod, a detection mechanism, and a remote display mechanism are provided on one side of the feed pipe. The detection mechanism is equipped with an installation adjustment mechanism for mounting the detection mechanism on the installation rod. The invention uses the installation adjustment mechanism to mount the detection mechanism on the installation rod and adjust it to a specific angle, aligning it with the high-borosilicate tempered glass. The light source in the detection mechanism emits specific near-infrared light, which is filtered by a rotating wheel and a reflector and then irradiated onto the silica material. Part of the near-infrared light is absorbed by the silica, while the remaining near-infrared light is scattered and focused into the near-infrared sensor by a concave mirror. The device is then connected to the remote display mechanism and a DCS system to perform the detection operation.

The present invention provides a cap cooler for a steel plant using high-temperature R515B refrigerant, comprising a cabin with an evaporator located on the upper part of a ceiling crane in a steel plant and an outdoor unit with a condenser located thereon; wherein the refrigerant of the refrigerant system formed by the evaporator and condenser is R515B; wherein the discharge refrigerant of the compressor forming the refrigerant system passes through an oil separator, passes through the condenser of the outdoor unit, passes through a receiver, passes through a filter dryer, passes through a sight glass, and a portion of the liquid refrigerant is branched, passes through a solenoid valve and an injection to spray the liquid refrigerant, thereby cooling the motor inside the compressor, converting it into a gaseous refrigerant, and then being drawn back into the compressor; and the remaining refrigerant is supplied to an electronic expansion valve, converting it into a low-temperature, low-pressure refrigerant, passing through the evaporator inside the cabin, thereby creating a comfortable air environment for the worker. This is because the evaporation temperatures of R22 and R410a, which are widely used as air conditioner refrigerants, are not suitable for the ambient conditions where the air temperature of a steel plant is approximately 100°C, but since the present invention uses the refrigerant R515B, which has a relatively high condensation temperature, it has a favorable effect on the air environment of the cabin room of a steel plant. In addition, by adopting R515B refrigerant and adding an injection function to address the problem of subcooling on the evaporator outlet side that may occur, the liquid refrigerant in the compressor suction side is converted into gaseous refrigerant, thereby increasing the efficiency of the refrigerant cycle. In addition, to solve the problem where the efficiency of the refrigerant cycle is reduced and the evaporation and condensation temperatures of the refrigerant cycle become unstable due to excessive air temperature conditions inside the steel mill, an electronic expansion valve is connected to the control unit to stabilize the unstable evaporation and condensation temperatures, and the operation is controlled to correspond to preset evaporation and condensation temperatures.

The utility model relates to the technical field of chemical equipment relates to a liquid MOCA production device, including the mixed jar, micro -reactor, pipeline type reactor, continuous neutralizing device, continuous washing device, temporary storage jar, first filter, second filter, dehydrator and mix and prepare kettle that pass through pipeline and metering pump are communicated in proper order, the feed inlet of mixed jar is communicated to dilute hydrochloric acid jar and OCA jar through pipeline and metering pump respectively, and the discharge opening of mixed jar is communicated to the feed inlet of micro -reactor, and the feed inlet of micro -reactor still is communicated to the discharge opening of formaldehyde jar through pipeline and metering pump, still be equipped with sight glass monitor on the communication pipeline between first filter and second filter, and the feed inlet of second filter still is communicated to the discharge opening of auxiliary material jar through metering pump, the utility model discloses can produce liquid MOCA, and production process is simple, and the degree of automation is high, and safe and environment -friendly, is suitable for industrial production.

This invention discloses a vertically arranged double-narrow-window sight glass for observing the liquid surface state in a fermenter, comprising a sight glass assembly, a connecting frame, and a sealing and reinforcing device. The sight glass assembly consists of two vertically arranged narrow transparent windows fixed together by a partition plate. The partition plate has flow channels and guide protrusions. The connecting frame has an embedded flexible sealing strip and an external mounting flange and a high-temperature resistant sealing ring. The sealing and reinforcing device uses an outer pressure ring and an inner support ring to form a double-sealing structure. This invention expands the observation range through the double-window design, reduces media interference through an anti-fog coating, flow channels, and guide protrusions, and improves pressure resistance through multiple seals, effectively adapting to high-temperature and high-pressure environments, reducing leakage risks, improving observation accuracy and equipment reliability, and providing support for precise control of the fermentation process.

The utility model relates to the field of sight glass structure design, concretely relates to a hexagonal sight glass of external thread, include: sight glass body, first gasket, side wall gasket, sight glass, second gasket and sealing nut, the inside of sight glass body is equipped with observation hole, there is installation chamber in the observation hole, the first gasket is placed in the bottom of installation chamber, the side wall gasket is equipped with in installation chamber side, the sight glass is located above the first gasket and is attached with the inside wall of side wall gasket, the second gasket is above the sight glass, and the sealing nut is above the second gasket, the utility model is sealed in layers and cooperates hexagonal structure of external thread, and the even power transmission is prevented leakage and is pressed, and the installation maintenance is convenient and efficient.

A sight glass column is described. The sight glass column is configured to be indirectly attachable to a machine via a machine connector such that machine fluid is transferable from the machine to the sight glass column. The sight glass column further has a remote sensing port, and a lockable oil level ring.

This utility model relates to the technical field of fluid pipeline observation equipment, specifically to a ferrule-type straight-through sight glass, comprising: an observation module, a protection module, and a fixing module connecting the two. The observation module consists of a first ferrule nut and a second ferrule nut, a first sight glass body and a second sight glass body, and a hollow glass cylinder. The protection module includes a first sealing gasket and a second sealing gasket disposed between the hollow glass cylinder and the sight glass body, and a blocking device located on the sides of the first and second sight glass bodies. Its structure achieves reliable sealing through the sealing gaskets to prevent media leakage, the hollow glass cylinder ensures clear observation of the internal media, the ferrule nut and the sight glass body cooperate to ensure stable installation, the side blocking device enhances protection, and the modular design makes the overall structure compact and space-saving.

This utility model relates to the field of aromatic oil extraction technology, and addresses the problems of essential oil evaporation and large liquid level fluctuations in existing devices by providing an aromatic oil-water separation device. The device includes an oil-water separator, the top of which is connected to a condenser via a flow pipe, and the bottom has a water outlet pipe and a first valve; an oil outlet pipe on the side wall connects to an oil collection glass sight glass, and a second valve is installed on the oil outlet pipe; a return pipe is inclined upwards, connects to an evaporation pipe, and has a fourth valve. Through the coordinated control of the first and fourth valves, precise water layer discharge is achieved; the height difference design between the oil outlet pipe and the return pipe maintains dynamic liquid level balance; an observation hole and a transparent plate enable visual monitoring of the liquid level. A return water pipe and a fifth valve are located at the bottom of the oil collection glass sight glass, allowing for secondary separation and the return of a small amount of water to the distillation device. This device uses pulsed reflux to regulate internal pressure, reducing essential oil waste and improving extraction efficiency.

The utility model provides a kind of liquid sulphur centralized recovery equipment of on-line monitoring, it includes: liquid sulphur centralized recovery unit, wherein further include: confluence tank, hand hole cover, sight glass unit, wherein the hand hole cover is equipped with observation window, the sight glass unit is set at observation window, the confluence tank is equipped with confluence cavity, the hand hole cover is connected with confluence tank, and is blocked in confluence cavity one side opening, the confluence tank is equipped with liquid sulphur outlet mouth and liquid sulphur inlet mouth with confluence cavity intercommunication, the confluence tank is connected with liquid sulphur centralized recovery unit via liquid sulphur inlet mouth, and the confluence cavity is communicated with the confluence pipe of liquid sulphur centralized recovery unit. Whereby to support not opening liquid sulphur centralized recovery equipment, liquid sulphur state in liquid sulphur seal can be observed.

This utility model relates to the field of polymer solution separation technology, and in particular to a polymer sedimentation separation system that overcomes the technical problems of low processing efficiency and inability to effectively separate small molecule polymers by centrifuges. The system includes a sedimentation tank, which is a sealed vessel. The upper part of the sedimentation tank is equipped with light-phase structured packing, and the lower part with heavy-phase structured packing. A light-phase outlet pipeline is connected to the top of the sedimentation tank, and a heavy-phase outlet pipeline is connected to the bottom. A polymer solution inlet pipeline and a small molecule polymer outlet pipe are connected to the side wall of the sedimentation tank between the light-phase and heavy-phase structured packing. A sight glass is installed at the end of the small molecule polymer outlet pipe, allowing observation of the interior of the sedimentation tank. A switch valve, a small molecule polymer discharge pipeline, and a defective product collection tank are sequentially connected to the side wall of the small molecule polymer outlet pipe.

The utility model relates to a kind of dismantle-free sensor support structures, including protective cover, transparent sight glass plate, external support and sensor nut, metal tab, the transparent sight glass plate is installed in the front of protective cover, as the observation window of protective cover front, the external support is installed in the below of protective cover, the sensor nut is installed on external support, the sensor nut passes through external support and passes through the bottom of protective cover, sensor is installed on external support by tightening sensor nut, metal tab is fixed on the transmission shaft of transmission equipment by bolt. Adopt the dismantle-free sensor support structure of the utility model, by the structural form of external sensor support, it can be adjusted under the condition of equipment transmission;Transparent sight glass with acrylic material is provided, to facilitate the rotation condition of the equipment. The utility model device structure is simple, easy to operate, safe and reliable.

The utility model discloses a differential pressure liquid level measuring system with dynamic density compensation for pressure vessel with first and second pressure lead pipes, which comprises a first and a second measuring assembly, a density sensor and a liquid level measuring instrument. The first measuring assembly is composed of a first pipeline and a first pressure transmitter connected to the end of the first pipeline, and is connected to the first pressure lead pipe. The second measuring assembly comprises a second pipeline, a sight glass and a second pressure transmitter. The second pipeline is connected to the second pressure lead pipe. The sight glass is arranged at the end of the pipeline. The second pressure transmitter is installed at the other end of the sight glass. The density sensor is arranged outside the container to detect the density of the liquid. The liquid level measuring instrument receives the signals of the density sensor and the two pressure transmitters through a signal port, processes the signals through a controller and outputs the liquid level data. The utility model significantly improves the measurement accuracy through density compensation. The split type pressure transmitter is easy to replace individually to reduce the maintenance cost. The state of the pressure lead pipe can be observed through the sight glass structure, and the crystallization blockage can be removed in time.

This utility model belongs to the field of immersion liquid-cooled energy storage technology, and discloses an immersion battery pack, including a housing, a battery module, a liquid level sensor, and an alarm. The housing includes a cover and a body. The cover is provided with a liquid replenishment port, and the side wall of the body is provided with a sight glass. The sight glass can display the liquid level of the coolant in the housing. When the coolant in the housing is too low, the operator can replenish the coolant through the liquid replenishment port. Secondly, the battery module is located in the housing and is staggered from the liquid replenishment port. When replenishing the coolant, the coolant will not directly impact the battery module, thus avoiding temperature difference impact on the battery module. In addition, the liquid level sensor monitors the liquid level of the coolant in real time. When the liquid level of the coolant is lower than the preset level, the alarm can sound an alarm. This provides double protection for liquid level detection and improves the reliability and safety of the overall system.