34results about How to "Increase medium temperature" patented technology

The invention relates to an internal-condensation capacity-reducing solar medium and high temperature heat collection pipe and a method for manufacturing the same. The heat collection pipe comprises a vacuum internal-condensation solar heat collector, wherein the vacuum internal-condensation solar heat collector consists of an outer cover tube which is made of a light-transmitting material, a heat absorption tube which is coaxial with the outer cover tube and a composite parabolic reflecting plate which is assembled between the outer cover tube and the heat absorption tube; a heat energy conductor is arranged in the vacuum internal-condensation solar heat collector; the heat energy conductor consists of a metal sleeve, a metal flow guide cavity tube which is assembled in the metal sleeve, and heat conduction media which are filled in the metal sleeve and the metal flow guide cavity tube; the metal sleeve is inserted into an internal cavity of the heat absorption tube and tightly contacted with the heat absorption tube; and a heat conduction heat medium transmission path is formed between the metal flow guide cavity tube and the metal sleeve. The preparation steps of the high temperature heat collection pipe are as following: manufacturing focus solar collector in vacuum, processing heat sensor, and then assembling and moulding. The internal-condensation capacity-reducing solar medium and high temperature heat collection pipe is high in heat collection efficiency, high in heat transfer speed and safe, and can convert solar energy into a medium and high temperature heat source for use.

The invention discloses novel technology for squeezing oil from fresh rubber seeds. The technology is characterized in that the fresh rubber seeds are not required to be stacked on a stock dump for a long time but directly crushed, dried, cooked, hardened, tempered and squeezed. The time from incoming of raw materials to obtaining of squeezed rubber seed oil and squeezed rubber seed oil cakes can be shortened to be within 3 hours. The technology can avoid the phenomena of heat generation, germination and mould development caused by the fact that the rubber seed raw materials are stacked on the stock dump for a long time in the prior art, can greatly improve the quality of the obtained rubber seed oil and the obtained rubber seed oil cakes, and can also improve the oil yield and the cake yield.

The invention discloses a new type double condenser units, which is characterized by the following: comprising cooling circulation loop with compressor, heat reclaiming condenser, condenser and evaporator; controlling the circuit with controller; connecting the compressor to the heat reclaiming condenser; arranging hot water inlet and outlet on the heat reclaiming condenser; arranging hot water pump at the inlet position of hot water; connecting the heat reclaiming condenser to A interface of the four-way valve; connecting D interface of the four-way valve to the condenser; arranging inlet and outlet of cooling water on the condenser; arranging cooling water pump at the inlet of the cooling water; connecting the condenser to a expansion valve; connecting the expansion valve to the evaporator; arranging cooling water inlet and outlet on the evaporator; arranging cooling water pump at the inlet of the cooling water; connecting the evaporator to the B interface of the four-way valve; connecting the C interface of the four-way valve to the compressor; connecting the four-way valve to the controller; possessing a hot source lateral and two using lateral.

The invention discloses a carbonaceous composite semi-permeable membrane used for water evaporation by light, a preparation method and a purpose thereof. The method comprises the following steps: 1) employing cellulose nitrate to prepare a semi-permeable membrane precursor solution; 2) adding the powdered carbon to the above precursor solution, violently stirring the materials to obtain a mixed solution; and 3) spreading the above mixed solution on a container having a flat bottom, naturally drying the solution to form the membrane, and preparing the carbonaceous composite semi-permeable membrane. The method has the advantages of simple process and low cost; the provided semi-permeable membrane has good photo-thermal transition effect, and has very good application prospect in the fields of water evaporation by light and seawater desalination.

The main purpose of the existing solar heat collection technology is to solve the problem that increasing generating heat cycle efficiency to further increase medium parameters causes difficulty in reliable connection between a collector and an external medium system and reduction in cost of unit generating capacity. The invention discloses a disc solar furnace (disc heat collector) mainly comprising a condensing disc, a reflecting cap, a plane mirror, a black cavity, a support arm, an elevation tracking device, a horizontal tracking device, a plane mirror drive mechanism, a support and a base. The center of the condensing disc is provided with a window admitting passage of light. The reflecting cap turns condensed light from the condensing disc into parallel condensed beams and transmits the beams to the plane mirror, and the plane mirror reflects the beams to the black cavity. The plane mirror at the lower end of the support arm is hinged to the support arm. The plane mirror drive mechanism automatically adjusts rotation angle of the plane mirror according to changes in elevation of the condensing disc when the condensing disc tracks the sun, and therefore, the fact that the reflected beams from the plane mirror are aligned with the black cavity is ensured.

This patent discloses a two-level curved surface Fresnel reflective solar cavity heat collector, including a first-level reflector, a first-level reflector support ring, a second-level reflector, a second-level reflector support rod, a rotating device, a solar Heat collector; the primary reflector is composed of multiple primary reflector units, each primary reflector unit is a strip-shaped concave mirror, the primary reflector unit can rotate around the rotation axis, and the secondary reflector is composed of multiple It is composed of secondary reflector units, each secondary reflector unit is a strip-shaped convex mirror, and the solar heat collector is placed on the ground, using a cavity type heat collector. The solar heat collection device has a high concentration ratio, and the stability and wind resistance of the solar heat collector are good. At the same time, the angle of the incident beam of solar energy is small, and the combination of the cavity heat collector has higher heat collection efficiency. The structure of the device Simple, low cost, easy to install and maintain, great potential for promotion.

The invention discloses a method of producing a high-temperature decoration-firing glass container. The method belongs to the field of manufacturing glass containers. Raw materials comprise: broken glass, local quartz sand, sodium carbonate, albite, calcite, anhydrous sodium sulphate, cobalt powder and a film. The method includes the steps of material preparation, melting, glass blowing, annealing, film lamination, and decoration firing. The method employs general devices, is simple in operation, is high in production yield and good in product quality, is environment-friendly and is suitable for industrial production. A non-dyestripping water label is free of dyestripping after water slide decal, so that the method is simple in operation. The decal, which has fine patterns, clear layering sense and strong stereo sense, can be formed at the decoration-firing temperature of higher than 600 DEG C.

The invention provides a throttling and heating production device and a throttling and heating production method for a well mouth of a gas well. The throttling and heating production device comprisesa production pipeline, a heat tracing device, an impeller expander, a control valve and a power supply system. The heat tracing device and the control valve are arranged on an outlet section of the production pipeline, the impeller expander is arranged between the heat tracing device and the control valve, and the power supply system is electrically connected to the heat tracing device and the impeller expander, separately. The impeller expander not only can generate electricity, but also plays throttling and pressure-reducing roles. The heating device can improve the temperature of a naturalgas medium in the pipeline. The device can replace an underground throttling process to reduce the production investment cost, the construction difficulty and the safety risk, and throttling production of the gas well is adjusted from an underground uncontrollable state to a ground adjustable controllable state, so that the well stopping period caused by production adjustment is shortened greatly.Meanwhile, as the well mouth is heated, the temperature of the natural gas medium in the production pipeline can be improved, the forming probability of hydrates can be reduced, and a problem of freezing and plugging a single-well pipeline in winter can be alleviated.

The invention discloses a high-temperature high-efficiency flat plate collector, and relates to collectors. The high-temperature high-efficiency flat plate collector is composed of three parts including a transparent cover plate, a heat collection pipe and a shell plate; the heat collection pipe is a blue film and black cadmium or silicon film heat collection pipe; the inner layer of the shell plate is a light reflecting and focusing heat preservation plate with an arc-shaped face; and the heat collection pipe is fixed into space of the arc-shaped face of the shell plate, and the transparent cover plate is fixed to the upper face. The high-temperature high-efficiency flat plate collector is simple in structure, higher in heat collection efficiency, higher in mechanical strength, smaller in cost and weight, easy to produce, transport and install and higher in safety.

The invention discloses an intelligent pressure transmitter. The intelligent pressure transmitter comprises a device body and a heat preservation device which is arranged at the lower end of the device body, the heat preservation device is arranged in the device body through bolts, a line hole is formed in the front of the top of the device body and embedded in the device body, side covers are arranged on the left side and the right side of the device body and arranged on the device body through bolts, a support structure is arranged in the middle of the device body, and the support structureis welded to the device body. According to the intelligent pressure transmitter, a fixing ring is arranged on the outer side of the line hole, by means of the fixing ring, a power line interface is isolated from the internal structure, and rainwater or steam can be prevented from entering the device, so that an internal circuit is damaged; in addition, the problem that parts in the device make contact with air for a long time, and oxidation is caused can be prevented, and the problems that for existing design, a power line export end is poor in protective measures, and the internal circuit cannot be well protected are solved.

The invention discloses an internal and external cooling isolation water cooling system, which is characterized in that different internal and external cooling media divide the system into two non-intersected loops, and intermediate heat exchange equipment such as a plate heat exchanger is added in each loop to solve the problem that the system cannot be applied outdoors in most northern areas; the two non-intersected loops can effectively reduce the dependence on the environment condition during water cooling application; meanwhile, the electric three-way valve is adopted for dynamically adjusting the cooling capacity, the situation that some cooled devices are insufficient in cooling capacity and some cooling capacities are excessive is avoided, and therefore the power electronic devicesof the cooled devices are efficiently cooled, the service life of the power electronic devices is prolonged, and the reliability of the power electronic devices is improved; on the other hand, the conductivity of the cooling medium is controllable; the internal cooling and the external cooling share one set of nitrogen pressure stabilizing system, so that the system can keep stable flow and keepthe temperature of a cooled device running in a high-efficiency state.

The invention discloses a control system for accumulated liquid in a large-caliber flash steam pipeline in an oil field. The control system comprises a high-temperature mixed gas conveying system, a main line mixing system and a matched control system; the high-temperature mixed gas conveying system is used for taking out high-temperature pressurized gas from an outlet of a compressor and reversely conveying the high-temperature pressurized gas to the main line mixing system; the main line mixing system is used for regulating the pressure of high-temperature flash steam provided by the high-temperature mixed gas conveying system and then injecting the high-temperature flash steam into a predetermined mixing point at the tail section of a flash steam main line so as to heat and gasify the accumulated liquid at the tail section of the flash steam main line and purge the accumulated liquid; and the matched control system is used for controlling the flow of mixed gas and detecting the injection temperature of the mixed gas and the pressure of the conveying system. Based on the distribution rule and composition characteristics of the accumulated liquid in the flash steam pipeline in theoil field, a flash steam treatment plant can be used for pressurizing and providing the high-temperature flash steam to be reversely injected into the flash steam pipeline, so that the temperature and the conveying capacity of a medium at the tail section of the flash steam pipeline are improved, and most accumulated liquid at the tail section of the flash steam pipeline is gasified and carried to a downstream flash steam treatment plant, so that the accumulated liquid in the pipeline is reduced.

The invention discloses a solar device integrating taking a shower, warming and cooling. The solar device comprises a heat collector, a heat storage tank and a water tank, wherein the heat storage tank is filled with oil; the heat collector and the heat storage tank are connected through a heat conducting device; the heat storage tank is internally provided with a water flow pipe; the water tank is connected with the water flow pipe in the heat storage tank so as to form a water circulation passage. The water heater (solar device) also comprises an oil pipe and a cooking pot, wherein the tank wall of the heat storage tank is also provided with an oil outlet and an oil return opening; the oil pipe is wound on the cooking pot; two ends of the oil pipe are respectively connected with the oil outlet and the oil return opening in the tank wall of the heat storage tank; a circulation passage is formed by the heat storage tank and the oil pipe; an oil pressure pump is also arranged between the oil pipe and the cooking pot. By applying the technical scheme provided by the invention, the solar device improves the operation efficiency of the heat collector extremely, and brings convenience for people.

The invention relates to a carbon graphite valve seat component. The carbon graphite valve seat component comprises a valve seat, wherein the valve seat is arranged between a ball and a valve body, an embedded type carbon graphite valve seat is arranged in the valve seat, a double shaping graphite fire protection structure is arranged on the edge of the valve seat, on the periphery of the embedded type carbon graphite valve seat, an interval is arranged between the embedded type carbon graphite valve seat and the ball, seal faces are formed on two sides of the interval, and a scraper is installed on each seal face. The invention further discloses a processing method of the carbon graphite valve seat component. The carbon graphite valve seat component has the advantages of being formed through innovation based on a valve seat of a top assembling type wedge ball valve, and in a structure formed by combining a carbon graphite and special material alloy ring composite member with the carbon graphite embedded type special alloy valve seat which is used as a valve seat of a DDB (double block and bleed) ball valve, achieving the purpose of meeting special requirements of PTA industry media, being high in medium temperature, obtaining strong causticity and the like.

The invention discloses a heat isolating structure of a heating core. The heat isolating structure comprises a container with a medium inlet and a medium outlet and an electric heating tube located inthe container. The electric heating tube is positioned and mounted by a plurality of supporting parts. A heat isolating barrel is placed between the electric heating tube and the container. The heatisolating barrel is welded and fixed to the peripheries of the supporting parts. The heat isolating barrel avoids the medium inlet, and a heating medium flows in from the medium inlet to heat throughthe electric heating tube in the heat isolating barrel. By adopting the structure, the temperature of a medium is increased, and meanwhile, high-temperature heat diffused by the electric heating tubeis blocked by the heat isolating barrel, so that temperature transferred to the inner wall of the container is reduced. Purposes of reducing the designed using temperature of the container, decreasingthe thickness of the container, improving the safety and prolonging the service life are achieved. The energy sources and the material cost are also saved. Therefore, the heat isolating structure meets the demand in reducing the temperature, transferred to container shell, on the surface of the heating tube under the circumstance of relatively high temperature of the heating medium.

Disclosed is a medium-high temperature glass metal evacuated tube solar collector. A tube body is a single-layer heat collecting tube, a 'U'-shaped tube is arranged in an inner cavity of the single-layer heat collecting tube, one vertical tube of the 'U'-shaped tube is a cold water tube, the other vertical tube of the 'U'-shaped tube is a hot water tube, a fin plate is fit on the hot water tube, the cross section of the fin plate is arc-shaped, a heat absorption layer is coated on the outer side face of the arc-shaped fin plate, a horizontal ring projection is designed on the upper portion of the single-layer heat collecting tube and close to the periphery of the inner side wall of an open end of the single-layer heat collecting tube, a soft sealing plate is arranged below the ring projection, the vertical side wall of the sealing plate is inclined inwards and fit with the ring projection to form a sealing structure, a circular supporting plate is arranged below the sealing plate, a vertical pull rod is connected above the supporting plate, an upper end opening of the single-layer heat collecting tube is sealed by a pressing cover, the pull rod penetrates the pressing cover and is connected with a nut in a threaded manner, and the cold water tube and the hot water tube penetrate the sealing plate and the pressing cover and then are connected with a cold water header and a hot water header respectively. The failure rate and the damage rate of products are greatly reduced, and the medium-high temperature glass metal evacuated tube solar collector is low in use cost, high in heat collecting efficiency and simple and convenient to maintain.

The invention relates to the technical field of solar energy application. The invention aims to provide a solar glass evacuated collector tube pressure-bearing series heat collector which comprises aheat absorption assembly, wherein the heat absorption assembly comprises a medium pipeline and a plurality of glass evacuated collector tubes, and the medium pipeline is sequentially bent into the glass evacuated collector tubes in an inverted-U shape to form series connection; one end of the medium pipeline communicates with the tail end of a medium inlet pipe, and the other end communicates withthe head end of a medium conveying pipe; the head end of the medium inlet pipe communicates with a medium source under pressure, and the tail end of the medium conveying pipe communicates with a heatpreservation box. A traditional parallel connection mode is changed, the series connection mode is adopted to form the heat absorption assembly, and media are in a heat superposition state all the time in the medium pipeline, so that heat exchange nodes are reduced, the temperature of the media is increased and stabilized, and the heat efficiency is greatly improved.

The invention provides a microwave heating printing head for building 3D printing. The microwave heating printing head comprises a material bin, a discharging pipe capable of absorbing microwave, a waveguide pipe, a magnetic control pipe and a power supply for providing high-voltage current for the magnetic control pipe, wherein a space for holding printing materials is formed in the material bin,and a discharging port is formed in the bottom of the material bin; the discharging pipe capable of absorbing the microwave is fixed to the discharging port; the waveguide pipe is fixed to the peripheral wall of the discharging pipe, the waveguide pipe has a hollow interior and an opening on one side, and an antenna inserting hole is formed in the side wall, opposite to the opening, of the waveguide pipe; an antenna inserted into the antenna inserting hole is arranged on the magnetic control pipe, and the magnetic control pipe is fixed to the waveguide pipe; and the magnetic control pipe generates microwave under the excitation of the power supply, the microwave is transmitted to the waveguide pipe through the antenna, and the waveguide pipe transmits the microwave to the discharging pipe. According to the microwave heating printing head, the printing materials in the discharging pipe are subjected to microwave heating, and quick forming of a printed component is facilitated.

The invention provides a novel energy-saving rapid-heating heater which mainly consists of a heating body, a high temperature resistant high-conduction insulated protective layer, a high temperature resistant medium flowing pipe which is directly or indirectly communicated, a medium inlet, a medium outlet, a power source self-control switch and a leakage protector; after being sleeved by the high temperature resistant high-conduction insulated protective layer, the heating body has a certain clearance with the radial direction of the high temperature resistant medium flowing pipe which is directly or indirectly communicated, and then directly or indirectly passes through the medium flowing pipe; when entering into the switch, a medium flows in through the medium inlet, the power source self-control switch is turned on, the heating body is electrified to heat, and thermal energy is rapidly conducted out by virtue of the high temperature resistant high-conduction insulated protective layer; by virtue of the high temperature resistant medium flowing pipe which is directly or indirectly communicated, the medium flowing pipeline is lengthened and the exchange time of the medium flowing through the clearance and electric energy is prolonged, so that the temperature is rapidly increased after the medium flowing through the heating body absorbs the heat energy of the heating body; If the medium is water, the water flows out through the medium outlet while rapidly heated to a bathing temperature.

The invention discloses a heat exchange structure of an ultra-low temperature electromagnetic valve, which relates to the technical field of ultra-low temperature gas storage devices, and comprises a valve seat, a moving core, a static core and a coil. First, by setting a movement gap between the movable cavity and the moving core, the ultra-low temperature medium flowing in the solenoid valve can continuously exchange heat with the outside air through the movement gap, and the temperature is continuously taken away from the inside. The outer surface of the heat exchanger is set into a multi-circle annular structure to form multiple heat exchange spaces, which greatly increases the contact area with the outside air, and cooperates with the interior to take away the temperature from the outside and improve the heat exchange efficiency. The distance will be shorter, which can reduce the height requirements of the solenoid valve. To solve the problem in the prior art that the ultra-low temperature electromagnetic valve will lengthen the height of the ultra-low temperature electromagnetic valve itself in order to protect the coil for air heat exchange, which limits the application range.

The invention provides a slurry transmitting pump under vertical magnetic driving multiple sealing liquid. An upper separating sleeve, a guiding body shaft sleeve, a lower separating sleeve and an impeller are sequentially arranged from top to bottom on an axial guiding body segment of a pump shaft, blind holes are formed in the lower end surface of the upper separating sleeve and the upper end surface of the lower separating sleeve, the guiding body shaft sleeve is arranged inside the blind holes of the upper separating sleeve and the lower separating sleeve, a sliding bearing is arranged between an inner hole of the axial guiding body and the guiding body shaft sleeve, a sliding bearing pressing cover is arranged under the sliding bearing, the sliding bearing pressing cover and the end surface of the inner hole of the axial guiding body are connected, a leakage detecting device is arranged on the right side of a leakage detecting pipe, and a movable ring adjusting sleeve, a rotating ring, an axial sealing wheel and two round nuts C are sequentially arranged from top to bottom at the bottom part of the leakage detecting pipe of the pump shaft. The slurry transmitting pump is reasonable in structure, the vibration and the noise of the pump during operation are lowered, the stability and the reliability of the pump during operation are improved, the installing and the maintaining are convenient, the temperature of medium transmitted by the pump is improved, the service life of the bearing for the pump is prolonged, and the pump is 100% sealed without leakage.

The invention discloses an optical efficiency testing device for a medium-high temperature solar collector tube. The optical efficiency testing device is used for testing the optical efficiency of the medium-high temperature solar collector tube, and comprises a water supply tank, a housing and a water storage tank, wherein the housing is provided with a chamber of which the cross section is elliptical; the medium-high temperature solar collector tube, a solar simulative light source, a ventilation and heat dissipation device and a reflecting mirror surface are arranged in the elliptical chamber; the optical efficiency testing device further comprises a temperature acquisition unit and a flow acquisition unit, and also a control cabinet, wherein the temperature acquisition unit and the flow acquisition unit are arranged on a medium circulating pipeline and used for acquiring the temperature and the flow of a medium in the medium circulating pipeline; the control cabinet is used for providing power, data storage and equipment control for the testing device; the control cabinet is connected with the solar simulative light source, and controls the on and off of the solar simulative light source. The optical efficiency testing device for the medium-high temperature solar collector tube is capable of accurately testing the optical efficiency of the medium-high temperature solar collector tube, and has the advantages of stable light source, controllable irradiation power, controllable medium flow, accurate temperature measurement and easy operation.

The invention discloses a dense-phase carbon dioxide pipeline safety relief system and method. The safety relief system comprises a dense-phase carbon dioxide pipeline conveying and cutting system, avalve chamber bypass system, a two-stage relief system and a pipeline temperature and pressure detection system; the two-stage relief system is used for grading pressure relief of dense-phase carbon dioxide; and an interstage heat exchange system is arranged in the two-stage relief system and used for adjusting the temperature of a medium released from the previous stage. According to the dense-phase carbon dioxide pipeline safety relief system and method, based on the characteristics of a dense-phase carbon dioxide pipeline operation process, in combination with a conventional oil product pipeline maintenance relief scheme, in consideration of the characteristic of low-temperature solidification of the dense-phase carbon dioxide, the two-stage relief system, the interstage heat exchange system, a main line temperature detection system, a control system and other units, the risk of dry ice formation of a dense-phase carbon dioxide pipeline emptying system is effectively avoided, the material safety of a main line relief pipeline is effectively guaranteed, and safe relief of a dense-phase carbon dioxide pipeline is achieved.

The invention discloses a novel garbage conveying device. The novel garbage conveying device comprises a truck body, a garbage hopper, a first mechanical arm, a second mechanical arm, hydraulic rods and an engine system, wherein the truck body, the first mechanical arm, the second mechanical arm and the garbage hopper are successively articulated with each other; a plurality of hydraulic rods are successively mounted between the truck body and the first mechanical arm, between the first mechanical arm and the second mechanical arm and between the second mechanical arm and the garbage hopper and are used for driving the first mechanical arm, the second mechanical arm and the garbage hopper to act; the truck body is driven by an engine; an engine exhaust energy recycling device is used for recycling energy of the engine exhaust. The novel garbage conveying device is simple and practical in structure, convenient to convey and high in movability; the energy can be recycled, so that the novel garbage conveying device is energy-saving and environmentally-friendly.

Disclosed is a medium-high temperature glass metal evacuated tube solar collector. A tube body is a single-layer heat collecting tube, a 'U'-shaped tube is arranged in an inner cavity of the single-layer heat collecting tube, one vertical tube of the 'U'-shaped tube is a cold water tube, the other vertical tube of the 'U'-shaped tube is a hot water tube, a fin plate is fit on the hot water tube, the cross section of the fin plate is arc-shaped, a heat absorption layer is coated on the outer side face of the arc-shaped fin plate, a horizontal ring projection is designed on the upper portion of the single-layer heat collecting tube and close to the periphery of the inner side wall of an open end of the single-layer heat collecting tube, a soft sealing plate is arranged below the ring projection, the vertical side wall of the sealing plate is inclined inwards and fit with the ring projection to form a sealing structure, a circular supporting plate is arranged below the sealing plate, a vertical pull rod is connected above the supporting plate, an upper end opening of the single-layer heat collecting tube is sealed by a pressing cover, the pull rod penetrates the pressing cover and is connected with a nut in a threaded manner, and the cold water tube and the hot water tube penetrate the sealing plate and the pressing cover and then are connected with a cold water header and a hot water header respectively. The failure rate and the damage rate of products are greatly reduced, and the medium-high temperature glass metal evacuated tube solar collector is low in use cost, high in heat collecting efficiency and simple and convenient to maintain.

The invention discloses a non-aqueous dihydric alcohol ether-based heat exchange fluid medium. The heat exchange fluid medium comprises the following components in percentage by mass: 0.5-3.0 % of 2-ethylhexyl acrylate, 0.25-1.5 % of 3-(2-benzothiazolylthio)propionic acid, 0.25-1.5 % of an antioxidant 1010, 0.25-3.0 % of cyclohexyldiethanolamine, 0.1-1.0 % of benzotriazole, 0.2-2.0 % of sodium 2-mercaptobenzothiazole, 0.05-0.2 % of propylparaben, 0.05-0.2 % of methylparaben, 0.1-0.5 % of dodecencylsuccinic acid, 0.05-0.5 % of tricresyl phosphate, 0.0005-0.009 % of pigment and the balance of dihydric alcohol ether. The non-aqueous heat exchange fluid medium disclosed by the invention has the characteristics of high water solubility, high boiling point, low foaming rate, good durability andcorrosion resistance, and low electrical conductivity, provides long-acting uninterrupted protection for heat exchange systems of radars, wind power generators and the like, and is resistant to high temperature and low temperature, and the technical problems of rust corrosion, pitting corrosion and the like of aluminum heat exchange tubes, copper-series metals and ion-series metals in the systemscan be completely eliminated when the heat exchange fluid medium is operated in the radar and wind power systems.

The invention discloses a heat exchange structure of an ultralow-temperature electromagnetic valve, and relates to the technical field of ultralow-temperature gas storage devices. The heat exchange structure comprises a valve seat, a movable core, a fixed core and a coil. Firstly, a movement gap is formed between a movable cavity and the movable core, so that an ultralow-temperature medium flowing in the electromagnetic valve can continuously exchange heat with outside air through the movement gap, and heat is continuously taken away from the interior; and furthermore, the outer surface of the valve seat is arranged to be of a multi-circle annular structure, so that a plurality of heat exchange spaces are formed, the contact area with the outside air is greatly increased, the heat is taken away from the outside through cooperation with the interior, the heat exchange efficiency is improved, the distance required by medium heating can be shortened, and therefore the height requirement of the electromagnetic valve can be reduced. The problems that in the prior art, an ultralow-temperature electromagnetic valve is used for protecting the coil for air heat exchange, the height of the ultralow-temperature electromagnetic valve may be increased, and the application range is limited are solved.

The invention relates to an intelligent miniature constant-flow low-pulse high-temperature plunger pump which comprises an intelligent control motor, an eccentric transmission rotor device used for being connected with an output shaft of a drive motor, a double-direction plunger, a pump body, a pump cover, a sealing part, an oil input one-way valve, an oil output one-way valve, a water input pipeopening, a pulse eliminating device and a pressure heating device. The plunger pump is compact in structure, high-pressure medium pulse can be effectively reduced, the chance for raising the medium temperature is increased, the practical effect is good, the pump use efficiency is improved, and operation time is prolonged greatly. According to the plunger pump, by means of cooperation with the pumpbody and adjustment of the pulse eliminating device, forced pressurizing and circulating are achieved, thus, medium flow is stable, medium viscosity is reduced, the atomizing efficiency is improved,the actual use pressure is reduced, motor power dissipation is reduced, and therefore electrical energy consumption is reduced.

The invention provides a slurry transmitting pump under vertical magnetic driving multiple sealing liquid. An upper separating sleeve, a guiding body shaft sleeve, a lower separating sleeve and an impeller are sequentially arranged from top to bottom on an axial guiding body segment of a pump shaft, blind holes are formed in the lower end surface of the upper separating sleeve and the upper end surface of the lower separating sleeve, the guiding body shaft sleeve is arranged inside the blind holes of the upper separating sleeve and the lower separating sleeve, a sliding bearing is arranged between an inner hole of the axial guiding body and the guiding body shaft sleeve, a sliding bearing pressing cover is arranged under the sliding bearing, the sliding bearing pressing cover and the end surface of the inner hole of the axial guiding body are connected, a leakage detecting device is arranged on the right side of a leakage detecting pipe, and a movable ring adjusting sleeve, a rotating ring, an axial sealing wheel and two round nuts C are sequentially arranged from top to bottom at the bottom part of the leakage detecting pipe of the pump shaft. The slurry transmitting pump is reasonable in structure, the vibration and the noise of the pump during operation are lowered, the stability and the reliability of the pump during operation are improved, the installing and the maintaining are convenient, the temperature of medium transmitted by the pump is improved, the service life of the bearing for the pump is prolonged, and the pump is 100% sealed without leakage.