34results about How to "Increase cycle power" patented technology

The invention discloses a circulating filter type gastric lavage machine for gastroenterology, which comprises a main body of the gastric lavage machine, an operating table, a working box, a filter device, a display, a keyboard, and an indicator light. The filter device is a cycle filter device, including a main pipe and a The vertical deposition pipe is connected with a return pipe between the vertical deposition pipe and the main pipe, and the return pipe is sequentially connected with the main pipe and the vertical deposition pipe, and a filter screen is set to form a circulation loop. Thereby promoting the sedimentation of the eluate. Most of the solid eluate is blocked on the lower side of the main filter to achieve solid-liquid separation for separate detection by the user. In the circulation process, the secondary filter screen can further improve the filtering effect and ensure that the sand falls into the vertical settling pipe.

The invention discloses a chip heat exchanger and an inverter air conditioner, which belong to the technical field of chip heat dissipation. The chip heat exchanger includes a heat pipe, and further includes: an expansion plate condenser and a capillary tube; the evaporation section of the heat pipe is arranged in the air conditioner The condensing section of the heat pipe is connected to the evaporating section through the capillary, and the condensing section is connected to the expansion plate condenser, and the expansion plate condenser is connected to the It is bent and arranged below the plane where the evaporation section is located. In this solution, the expansion plate condenser is bent and arranged below the plane where the evaporating section is located, and coincides with the direction of the fan bracket in the outdoor unit of the air conditioner, which does not block the air volume and wind speed of the fan, and can also promote the cooling of the refrigerant in the expansion plate by means of the air volume Condensation heat dissipation improves heat exchange efficiency, reduces chip operating temperature, and solves the problem of slow and difficult cooling frequency increase due to poor heat dissipation of the chip on the computer board of the inverter air conditioner in the high temperature environment in summer, and the control logic is prone to error reporting.

The invention provides an engine cleaning method and device and relates to the technical field of vehicle maintenance. The technical problem that cleaning oil flows circularly slowly in the engine when an engine is cleaned is solved. The engine cleaning device comprises a hydraulic pump, a two-position three-way reversing valve, an old oil bucket and a receiving disc. The hydraulic pump is locatedbetween an oil pan of a cleaned vehicle and the two-position three-way reversing valve. When the two-position three-way reversing valve keeps oil way connection of the hydraulic pump and an engine oil tank of the cleaned vehicle, an engine external cleaning loop is formed. The receiving disc and an engine lubricating oil way outlet are connected for receiving waste engine oil flowing out of the engine, and the bottom of the receiving disc communicates with the old oil bucket. The hydraulic pump works to facilitate acceleration circular flowing of the cleaning oil in a vehicle lubricating oilway. The engine cleaning method and device are used for cleaning and maintenance of the vehicle engine.

The invention discloses a partial jet flow small circulating ratio pipe casing type high temperature waste heat steam boiler. The partial jet flow small circulating ratio pipe casing type high temperature waste heat steam boiler comprises a boiler cylinder and a pipe casing type evaporation heat exchanger which are vertically arranged; the boiler cylinder and the pipe casing type evaporation heat exchanger are arranged in a horizontal type; the boiler cylinder and the pipe casing type evaporation heat exchanger are connected through an ascending pipe assembly and a declining pipe assembly; the boiler cylinder is connected with a water inlet connecting opening formed in the pipe casing type evaporation heat exchanger through a high temperature high pressure water pipe; a high temperature high pressure water pump is arranged on the high temperature water pipe. The partial jet flow small circulating ratio pipe casing type high temperature waste heat steam boiler has the advantages of being small in circulating ratio, efficient and energy saving, long in service life, small in occupied space, benefited to site installation and original facility reconstruction and reasonably utilizing high temperature flue gas waste heat in the chemical engineering field.

A refined salt continuous concentration system for polyamide, comprising a refined salt preheater, a refined salt evaporator, and a refined salt stripper, the refined salt stripper is located below the refined salt preheater and above the refined salt evaporator, and the refined salt evaporator A collecting pipe extending downward is provided at the bottom of the bottom, the inner space lower part of the refined salt stripper is communicated with the inner space upper part of the refined salt evaporator through the material pipe, and the bottom of the refined salt stripper is connected with the collecting pipe through a circulation pipe, the The circulation pipe is also provided with a concentrated material discharge pipe, and a first valve is set to control the opening and closing. The material outlet of the refined salt preheater is connected with the collection pipe through the feed pipe, and is located above the downstream end of the circulation pipe. The heat medium inlet of the heater is connected with the top of the refined salt stripping tower through a steam pipe. The invention has simple structure and convenient operation, can realize continuous concentration of refined salt for polyamide, reduces the cost of concentration of refined salt, can effectively avoid crystallization and fouling, and is the guarantee for producing high-quality polyamide.

Disclosed are a chip heat exchanger and an inverter air conditioner. The chip heat exchanger comprises a heat pipe (5), an inflation plate condenser (4) and a capillary tube (3), wherein an evaporation section (51) of the heat pipe (5) is arranged below a chip (2) of an air conditioner computer board (1); a condensation section (52) of the heat pipe (5) is connected to the evaporation section (51) via the capillary tube (3); and the condensation section (52) is connected to the inflation plate condenser (4). In this way, the circulation power of a refrigerant can be improved, the heat absorption quantity of the evaporation section can be increased, and the operation temperature of the chip can be lowered.

The invention relates to a continuous reaction process of polyamide. The continuous reaction by using a reaction device comprises the following steps: 1) introducing a heating medium into a shell passof a heating system; 2) enabling the polymerization raw material to pass through a preheating system and a light component removal system, discharging the polymerization raw material into a tube passof a heating system, heating the raw material to 200-250 DEG C until the water content in the polymerization raw material is reduced to be less than or equal to 20%, and carrying out a pre-polymerization reaction; 3) discharging a material obtained by prepolymerization into a reaction system, and carrying out a reaction after prepolymerization to generate process steam; 4) feeding the process steam into a light component removal system, heating the polymerization raw material passing through the light component removal system to 180-240 DEG C and feeding the raw material into a shell pass ofa preheating system, and heating the polymerization raw material passing through the preheating system to 180-230 DEG C; 5) condensing the process steam in the shell pass of the preheating system to serve as reflux liquid, and 6) continuously discharging when the viscosity is 150-300 cp to obtain a polyamide prepolymerization product. The reaction process is simple in process and low in synthesiscost, can effectively guarantee the quality stability of polyamide, and is a guarantee for producing high-end polyamide.

A refined salt continuous concentration process for polyamide, the concentration system used includes a refined salt preheater, a refined salt evaporator, a refined salt stripper, the refined salt stripper is located below the refined salt preheater and above the refined salt evaporator, the concentration process It is: the refined salt solution is preheated by the refined salt preheater, enters the refined salt evaporator from the feed pipe and the collecting pipe to evaporate, and obtains the gaseous material, which enters the refined salt stripping tower through the material pipe, and the macromolecular components in it are intercepted and small Molecular components and water vapor enter the refined salt preheater from the steam pipe, and the macromolecular components pass through the circulation pipe, and under the action of gravity, part returns to the refined salt evaporator to form a cycle, and part is continuously discharged through the concentrated material discharge pipe to obtain concentrated The final refined salt has a solid content of 60-90wt%. The invention has simple process and convenient operation, is used for continuously concentrating polyamide salt solution to obtain refined salt, has low cost of concentrating refined salt, and can effectively avoid crystallization and fouling, which is the guarantee for producing high-quality polyamide.