12 results about "Circulation evaporator" patented technology

This utility model relates to the field of heat exchange improvement technology for freezers, specifically to a freezer structure with an embedded recirculating evaporator, including a freezer shell, a foamed inner liner laid along the inner wall of the freezer shell, and a heat exchange system embedded in the foamed inner liner. The heat exchange system includes a vapor-liquid separator, an evaporator, a compressor, a condenser, and a throttling device. This utility model embeds the vapor-liquid separator of the recirculating evaporator into the foamed layer near the freezer opening, solving the problem that recirculating evaporators with vapor-liquid separators cannot be used in small-scale commercial freezers, thus broadening its application range.

The application provides a pharmaceutical liquid preparation system with an internal circulation evaporator, which comprises an evaporation box, the inside of which is hollow, and the evaporation box is divided into heating cavities, evaporation cavities and condensation cavities which are independent of each other by a lower partition plate and an upper partition plate; the lower partition plate is below the upper partition plate, and the heating cavities, the evaporation cavities and the condensation cavities are distributed from bottom to top in sequence; an electric heating plate in contact with the lower partition plate is fixedly installed in the heating cavity, a feeding pipe in communication with the evaporation cavities is fixedly installed on one side of the evaporation box, a first valve body is installed on the feeding pipe, and a condensation plate for plugging the inside of the condensation cavity is installed in the condensation cavity. The design of the cleaning mechanism, the plugging mechanism and the blowdown port is used, the bottom wall scaling in the evaporation cavity can be cleaned through the cleaning mechanism, the scaling cleaned through the cleaning mechanism can be cleaned through the blowdown port after the plugging mechanism is unplugged, and the mode of disassembling the heat exchanger to clean the scaling is replaced, so that the operation is simple and the workload of the staff is reduced.

A cyclic process device (10), in particular a heat pump, comprising: a refrigerant circuit configured to allow a refrigerant to circulate in it, an evaporator (11) and a condenser (12), each arranged in the refrigerant circuit and configured for the exchange of thermal energy, at least a first valve (13a) and a second valve (13b) arranged in the refrigerant circuit and configured to adjust the pressure of the refrigerant, at least one compressor unit (14) arranged in the refrigerant circuit and configured to compress the refrigerant, a low-pressure line (N) extending between the first valve (13a) and the compressor unit (14), a high-pressure line (H) extending between the compressor unit (14) and the condenser (12), and a medium-pressure line (M) extending between the second valve (13b) and the compressor unit (14), and a drive unit (15).which is designed to drive the compressor unit (14), wherein the drive unit (15) is thermally coupled to the medium pressure line (M) to transfer thermal energy to the refrigerant.

The utility model relates to the technical field of spraying evaporation, in particular to a forced circulation spraying evaporator which comprises an evaporation cylinder, an air inlet bin and an air outlet bin are arranged at the upper end in the evaporation cylinder, a transfer bin is arranged at the lower end in the evaporation cylinder, and a plurality of heat exchange pipes are fixedly arranged in the air inlet bin, the transfer bin and the air outlet bin. A plurality of heat exchange fins are fixedly arranged on the surface of the heat exchange pipe, a plurality of spraying net plates are fixedly arranged in the evaporation barrel, liquid is driven by the water pump to forcibly circulate in the evaporation barrel, and the problem that circulation is not smooth when a traditional natural circulation evaporator treats a high-concentration and high-viscosity solution can be effectively solved. Forced circulation ensures uniform distribution and rapid flow of liquid on the surface of the heat exchange tube, so that the evaporation efficiency is remarkably improved, and the evaporation time is shortened.

The invention relates to the technical field of clothes treatment, in particular to a dynamic heat regulation and control method of a heat pump clothes dryer and clothes treatment equipment. A laundry treating apparatus includes a drum; the main air duct is communicated with the roller to form a circulating drying air path; the heat pump system comprises an evaporator, a condenser, a compressor and a throttle valve and forms closed circulation, and the evaporator and the condenser are arranged in the circulation drying air path; the bypass air duct intersects with the main air duct, and opening, closing and the opening degree of the bypass air duct are controlled through an air door, so that part of air flow bypasses the evaporator and enters the condenser side; the electric auxiliary heating device is used for performing thermal compensation when the temperature in the roller is lower than a set value; and the fresh air device is used for introducing external fresh air into the circulating drying air path when the humidity of the external environment is smaller than a set value. The action of each component is adjusted in real time according to the heat change in different drying stages, the dehumidification efficiency and the energy-saving effect are both considered, the drying time is shortened, and the user experience is improved.

This utility model discloses an evaporation crystallization system, aiming to solve the shortcomings of existing multi-effect evaporation crystallization equipment, such as limited cycle times and high initial investment. The utility model includes a preheater, a plate falling film evaporator, a circulating heater, a circulating evaporator, a crystallizer, and a crystal slurry tank connected in sequence. The circulating heater includes a first circulating heater and a second circulating heater. The outlet of the plate falling film evaporator is connected to both the plate falling film evaporator and the evaporator's inlet. The circulating evaporator has a separation outlet and a separation inlet. The circulating evaporator is connected in series with the first and second circulating heaters via the separation outlet and then connected to the separation inlet. This achieves a flexible crystallization system that enables continuous production through multiple evaporation cycles, reducing initial investment and floor space requirements.

The utility model discloses an air energy heat pump device, including the organism, be provided with circulating evaporimeter in the organism, and be provided with liquid inlet pipe and liquid outlet pipe on circulating evaporimeter, liquid inlet pipe one end is connected with filter pipe, and filter pipe other end is equipped with the conveying pipe, the filter pipe inside is equipped with two sets of filter mechanism, and filter mechanism one side is provided with the filter screen cleaning mechanism of using cooperation with it, filter mechanism includes the mounting bracket, and the filter screen is fixedly arranged in the mounting bracket, the filter pipe top is provided with the through slot of using cooperation with mounting bracket, and the mounting bracket top is provided with the sealing plate, the sealing plate is connected with filter pipe outside top board through a plurality of groups of bolts, and the sealing plate top is equipped with the pull handle. The air energy heat pump device, the device is to solve the inconvenient problem of replacing the existing air energy heat pump late -stage filter device, through liquid inlet pipe one end is connected with filter pipe, and filter pipe other end is equipped with the conveying pipe.

The utility model relates to a snow mud machine with a drying function. The beverage machine comprises a machine base, an evaporator, a beverage cylinder, a condenser, a compressor and a control valve, the evaporator is connected with the condenser, the condenser is connected with the compressor through the control valve, and the evaporator is connected with the compressor through the control valve. And the materials in the beverage cylinder are frozen. When heating is needed, the control valve changes connecting lines between the compressor and the condenser and between the compressor and the evaporator, refrigerant circulates in a reciprocating mode among the compressor, the control valve, the evaporator, the condenser and the compressor, the evaporator heats, materials in the beverage cylinder are heated, and when the beverage cylinder is cleaned, water used for cleaning is heated so that stains can be cleaned more easily. And after the beverage cylinder is cleaned, the evaporator can dry the interior of the beverage cylinder, cleanliness of the interior of the beverage cylinder is guaranteed, and the requirements of consumers can be better met.

The invention discloses a heat dissipation system of a box-type transformer. The heat dissipation system comprises a cooling mechanism, an exhaust pipe and a control system, the cooling mechanism is used for generating low-temperature gas, the exhaust pipe is arranged on the upper portion in the box body in a surrounding mode, a plurality of small holes are formed in the pipe wall, and cold air is evenly released into the box body. The cooling mechanism comprises a compressor, a condenser, a throttling device and an evaporator, the exhaust end of the compressor is communicated with an inlet of the condenser, an outlet of the condenser is communicated with an inlet of the evaporator through the throttling device, and an outlet of the evaporator is communicated with the suction end of the compressor to form closed circulation. A shell is arranged outside the evaporator, and an air outlet of the shell is communicated with the air inlet end of the exhaust pipe through The control system comprises a central control unit, a monitoring module, an execution module, a control and optimization module, a safety and fault processing module and a communication and man-machine interaction module, and the central control unit is electrically connected with all the modules and used for collecting operation data and dispatching the states of the compressor, the condensation fan, the evaporation fan and the throttling device.

The present application relates to a kind of sintering machine flue gas waste heat recycling device and recycling method, along the flue gas conveying direction, recycling device includes sintering machine, flue gas evaporator, dust removal device, flue gas conveying device and chimney connected in sequence;Sintering machine includes being arranged in the tail of sintering machine and being arranged in the chute of the lower part of pulverizing device;Sintering machine is provided with flue gas cover, and first flue gas outlet is arranged on the flue gas cover at the tail of sintering machine, and second flue gas outlet is arranged on the flue gas cover at the chute;Flue gas evaporator includes forced circulation evaporator and natural circulation evaporator;First flue gas outlet is connected with forced circulation evaporator;Second flue gas outlet is connected with natural circulation evaporator.The present application carries out heat exchange to the flue gas of different positions of sintering machine respectively, increases the waste heat recovery efficiency, and uses double operating system to carry out heat exchange, while reducing the system energy consumption in the reasonable use of plant space.

The utility model relates to the technical field of evaporators, and provides a forced circulation evaporator which comprises a main body provided with an inner cavity. The heating part is arranged in the inner cavity, the inner cavity is provided with an evaporation section and a circulating backflow section, the evaporation section and the circulating backflow section are located on the upper side and the lower side of the heating part respectively, the heating part is further provided with a liquid inlet flow channel and a liquid return flow channel, the liquid inlet flow channel is used for communicating the evaporation section to the circulating backflow section, and the liquid return flow channel is used for communicating the circulating backflow section to the evaporation section; the fan blade piece is rotationally arranged in the liquid inlet flow channel, and the fan blade piece is configured to provide force for liquid flow to flow towards the circulating backflow section after rotating; the flow guide part is arranged at the end, close to the evaporation section, of the liquid inlet runner in a lifting sliding mode and provided with a flow guide groove, an inlet of the flow guide groove communicates with the evaporation section, and the flow guide groove is further provided with a reducing outlet. According to the technical scheme, the technical problem that damage of liquid flow driving equipment used in a forced circulation evaporator in the prior art is accelerated due to cavitation is solved.

The present application belongs to the technical field of desulfurization slurry waste heat recovery, and particularly relates to a desulfurization slurry waste heat recovery system and method based on absorption-compression combined driving. The present application is provided with a two-stage flash tank, through the upper chamber first-stage flash to remove CO2 and other non-condensable gases, and the lower chamber second-stage flash to generate 30-40℃ pure exhaust steam; the exhaust steam enters a compression sub-cycle evaporator, is lifted to 80-90℃ by a compressor, and then is used to drive an absorption sub-cycle generator together with plant ≤0.1MPa ultra-low pressure steam, so as to make the lithium bromide dilute solution boil to generate refrigerant steam; the refrigerant steam enters an absorber after condensation and spray evaporation, is absorbed by the lithium bromide concentrated solution to release absorption heat, and heats the heat network return water to above 85℃. The present application realizes efficient separation of non-condensable gases, step-by-step utilization of ultra-low pressure exhaust steam, and high-grade recovery of waste heat, and significantly improves the energy efficiency and economy of the system.