34results about How to "Flat temperature distribution" patented technology

The invention discloses a deep confined water mining fault water inrush multi-field precursor information evolution similarity test device and method, and relates to the field of formation temperatureand similar simulation tests. The test device comprises a test bracket, a lateral baffle plate, a loading plate, a transparent glass plate, a model storage cavity, a lateral pressure loading system,a vertical loading system, a water pressure loading system, a water temperature adjusting system, a ground temperature adjusting system, a signal acquisition and processing system and a test model. The water pressure loading system, the water temperature adjusting system and the ground temperature adjusting system of the test device can provide stable high-temperature and high-pressure water and gradient formation temperature for the test model; the real geomechanical environment of the deep confined water fault-containing coal measure strata can be well simulated; real reproduction of multi-field precursor information of deep confined water mining fault water inrush is facilitated, and the evolution rule, coupling characteristics and influence factors of multi-field precursor informationsuch as fault surrounding rock stress, displacement, cracks, seepage and temperature in the deep confined water mining fault water inrush process are inversely analyzed.

The invention relates to a production method of catalyst dilution loading oxalate, which mainly solves the problems of low raw material per-pass conversion and low oxalate selectivity in the prior art. With the adoption of the technical scheme that CO and nitrite at a mole ratio of (1-5):1 are introduced to a fixed bed reactor as raw materials at the feed temperature of 60-160 DEG C, and perform contact reaction with a palladium-bearing catalyst at the pressure of 0-1.5MPa, heat generated by the reaction is removed by heat exchange timely, the reactor comprises at least two catalyst bed layers, the height of each catalyst bed layer is Hn, Hn / H1 is equal to (1-5):1 by taking the height H1 of the first bed layer at the upper part as a reference, a volume ratio of inert filler without catalyst activity to a catalyst is (0-4):1, and the volume ratios of the catalyst in the bed layers from the top down are gradually increased, the problems are better solved, and the method can be used for industrial production of oxalate.

The invention relates to a method for decreasing the occurrence rate of transverse cracks of boiler water walls. The method comprises the following steps, from wall temperature monitoring to hole expanding, that when a boiler and the water walls operate, the temperatures of the water walls on the four sides and water wall pipes are monitored correspondingly; a thermal deviation curve showing temperature distribution of the water wall pipes in the water walls on the four sides is drawn according to measured temperature data, and whether water wall pipes located in an overheat area exist or not is judged; and throttling holes corresponding to the water wall pipes located in the overheat area are expanded, wherein after hole expanding is conducted during one time of operation, wall temperature monitoring and overheat judging are conducted in the next time of operation, and throttling holes corresponding to the water wall pipes located in the overheat area are expanded after the water wall pipes located in the overheat area are judged to still exist. By adoption of the method for decreasing the occurrence rate of the transverse cracks of the boiler water walls, the occurrence area and probability of the transverse cracks of the water walls are substantially decreased, and the safety of the water walls is improved.

The invention discloses an armored heating sheet for heat treatment of a fillet weld of a small connecting pipe. The heating sheet comprises ceramic chips, a heating wire and heating connectors; the ceramic chips are connected in series through the heating wire; and the heating connectors are installed at the two ends of the heating wire and used for being connected with heat treatment equipment. The armored heating sheet for the heat treatment of the fillet weld of the small connecting pipe provided by the invention is convenient in structure, simple to use, easy to mount, reusable, stable in heat treatment effect and uniform in temperature distribution.

Disclosed are a reflection device and a tunable laser, which are used for ensuring the uniform temperature distribution of the reflection device during thermal tuning and improving the efficiency of thermal tuning. The present application comprises: a light transmission layer and a ridge protruding from the light transmission layer, wherein a surface, away from the light transmission layer, of the ridge is provided with a first group of heaters and a second group of heaters, which are separated from each other; a part of the light transmission layer on a first side of the ridge is provided with a first supporting arm and a second supporting arm, which are separated from each other; an end face, close to the ridge, of the first supporting arm is a first end face that extends in a direction perpendicular to the ridge to form a first flat plate, and at least some of the first group of heaters are arranged in a region where the surface, away from the light transmission layer, of the ridge intersects with the first flat plate; and an end face, close to the ridge, of the second supporting arm is a second end face that extends in a direction perpendicular to the ridge to form a second flat plate, and at least some of the second group of heaters are arranged in a region where the surface, away from the light transmission layer, of the ridge intersects with the second flat plate.

The invention relates to a flame tube gas inlet method of a solid oxide fuel cell system, anode tail gas of a galvanic pile enters a flame tube from the head of the flame tube in a rotational flow mode, and cathode tail gas of the galvanic pile enters the flame tube in the following mode: 1) entering the flame tube from side wall through holes distributed in the side wall of the flame tube; (2) entering the flame tube from end wall through holes distributed in the head end wall of the flame tube; and (3) the tail gas enters the flame tube from the head of the flame tube in a rotational flow mode, and the cathode tail gas entering the flame tube in the rotational flow mode wraps the anode tail gas entering the flame tube in the rotational flow mode in the gas inlet direction. The invention further relates to the combustion chamber adopting the method. By means of rotational flow flame stabilization, flame multi-point arrangement, anode tail gas collection and distribution, unique distribution of the side wall through holes and the end wall through holes and the like, stable combustion of the combustion chamber under the conditions that gas composition changes are complex, residual gas coefficients are variable and the combustion heat value is extremely low is achieved, and the temperature distribution of an outlet of the combustion chamber is uniform.

The invention relates to a return pulley (101..110) for a continuous casting system, said return pulley comprising a drum-shaped main body and at least one heating pipe (2, 5, 6) laid underneath a cylindrical surface of the pulley (101..110). The heating pipe(s) (2, 5, 6) each has / have at least one input and at least one output offset in relation to said input, the sum of the inputs and outputs being at least three. The invention further relates to a continuous casting system having a return pulley (101..110) of the above type.

The present invention relates to a method for capturing carbon dioxide CO 2 by carbonation in a circulating fluidized bed (CFB) carbonation reactor (10) wherein temperature profile is adjusted by recirculation of solid fractions of metal oxide MeO and metal carbonate MeCO 3 to the CFB carbonation reactor (10). Also a system (1) recirculating the metal oxide MeO and metal carbonate MeCO 3 is provided by the invention.

The invention discloses a thermocompression bonding wheel for a drip irrigation belt. The thermocompression bonding wheel of the drip irrigation belt comprises an oil supply and distributing joint, a central shaft, an oil feeding pipe, a wheel strake, an oil channel baffle plate, a right side wheel flange, a left side wheel flange, a heat sealing pressing wheel, an external stainless steel protecting plate, a first joint, a second joint and a hose; the oil supply and distributing joint is fixedly connected to one end of the central shaft, and the other end of the central shaft is connected with a motor; the oil feeding pipe is positioned into an internal chamber of the central shaft; one end of the oil feeding pipe is connected with the oil supply and distributing joint while the other end of the oil feeding pipe is connected with a temperature control device; the wheel strake is arranged outside the central shaft in a sleeving way and is fixedly connected with the central shaft; a left annular groove and a right annular groove are respectively arranged on the edges of both sides of the wheel strake; the left side wheel flange and the right side wheel flange are respectively arranged in the left annular groove and the right annular groove, and moreover, the heat sealing pressing wheel is mounted in a clearance formed between the left side wheel flange and the right side wheel flange; and the heat sealing pressing wheel is arranged outside the wheel strake in the sleeving way. The thermocompression bonding wheel of the drip irrigation belt disclosed by the invention integrates the heating function and the extruding function, therefore, good effect of heating is achieved; and a copper-made heat sealing pressing wheel is adopted, by which the surface layer of a film can be prevented from being adhered to other layers.

A food table device (100), for example, a salad table, the food table device (100) includes: a cooling system with a refrigeration device (550); a cabinet device (300) with a plate holding device (103), the table A plate (104) is arranged in said plate holder (103). The cooling system is adapted to cool the food table arrangement (100) so as to provide at least two different climate zones (Z1, Z2), the cooling of the at least two different climate zones (Z1, Z2) being individually controllable and the cooling system includes an evaporator (555), cooling device (200) arranged close to and above the back wall of the dinner plate and adjacent to the The pan covers the rear section of the device (110), so that the cooling air will flow out from the lower edge of the cooling device due to self-convection, out over the food product and upwards towards the upper edge of the cooling device, forming a first climate zone. Plate holder elements (106A, 106B) are arranged in said holding means (103) such that in said holding means, between said plate holder elements and said plate's bottom wall and transverse wall The second climate zone (Z2) is formed in between.

The invention discloses a similar test device and a test method for evolution of multi-field precursory information of water inrush from mining faults in deep confined water, and relates to the field of formation temperature and similar simulation tests. Glass plate, model storage cavity, lateral pressure loading system, vertical loading system, water pressure loading system, water temperature regulation system, ground temperature regulation system, signal acquisition and processing system, test model; the water pressure loading system and water temperature regulation system of the test device And the geothermal regulation system can provide stable high temperature, high pressure water and gradient formation temperature for the test model, which can better simulate the real geomechanical environment of the deep confined water-bearing fault-bearing coal measure strata, which is beneficial to the high water inrush of the deep confined water-mining faults. Real reproduction of field precursor information, inversion analysis of the evolution law, coupling characteristics and influencing factors of multi-field precursor information such as stress, displacement, fissure, seepage, temperature and other multi-field precursor information during the water inrush process of mining faults in deep confined water.

The invention relates to a near-zero heat loss refractory lining of a high-temperature kiln operated intermittently and a preparation method thereof. The technical solution is: the permanent lining refractory material of the refractory lining body is a phase change heat storage refractory material, that is, a high temperature phase change heat storage refractory material, a medium temperature phase change heat storage refractory material and a low temperature phase change heat storage refractory material. composed in sequence. The phase change heat storage refractory material is composed of alloy@ceramic macrocapsule, alloy@alumina microcapsule, α‑Al 2 o 3 It is prepared by mixing micropowder, silica micropowder, calcium aluminate cement and polycarboxylic acid with water, forming, demolding and drying. When preparing: Al-Si-Ni alloy @ Ceramic Large Capsule, Al-Si-Fe Alloy @ Ceramic Large Capsule and Al-Si Alloy @ Ceramic Large Capsule and the corresponding Al-Si-Ni alloy @ Aluminum Oxide Microcapsule in Alloy @ Ceramic Large Capsule Microcapsules, aluminum silicon ferroalloy@alumina microcapsules and aluminum silicon alloy@alumina microcapsules are prepared separately. The heat loss of the present invention is close to zero and the furnace lining refractory material has a long service life.

The invention discloses a steam mixer. The top of one end of the heater shell is connected to the main steam pipe through a flow regulating valve, the other end of the heater shell is connected to the mixed steam pipe through a gate valve or a cut-off valve, and the main steam pipe is passed through a gate valve or a cut-off valve. The valve is connected to the mixed steam pipe, and the bottom of the heater housing opposite to the inlet of the main steam pipe is connected to the heating steam pipe through a flow regulating valve. The steam distribution pipes are evenly distributed along the axial direction of the heater shell, and the heating steam pipes are extended into the heater shell with combined nozzles. Mix a large flow of saturated steam and a superheated steam in the equipment to form a slightly superheated steam with a certain degree of superheat; it has high heat exchange efficiency and can effectively reduce the generation of steam when the pipe network transports The impact of water hammer is powerful for the safe operation of the pipe network.

The invention discloses a food bar arrangement (100), e.g. a salad bar, comprising a cooling system with a refrigerating arrangement (550), a cabinet arrangement (300) with a pan holding arrangement (103) in which the pans (104) are arranged. The cooling system is adapted for cooling the food bar arrangement (100) such that at least two different climate zones (Z1,Z2) are provided, the cooling of which is separately controllable, and it comprises one evaporator (555), a cooling arrangement (200) arranged close to, and above, pan back walls and adjacent a rear section of a covering arrangement (110) adapted to cover pans and so that cooled air will flow from a lower edge thereof, outwards above the food products, and upwards, in towards an upper edge thereof due to self-convection, forming a first climate zone. Pan holder elements (106A,106B) are disposed in the holding arrangement (103) so disposed that in said holding arrangement, between said pan holder elements and the bottom and lateral walls of the pans, said second climate zone (Z2 )is formed.

The invention relates to a method for decreasing the occurrence rate of transverse cracks of boiler water walls. The method comprises the following steps, from wall temperature monitoring to hole expanding, that when a boiler and the water walls operate, the temperatures of the water walls on the four sides and water wall pipes are monitored correspondingly; a thermal deviation curve showing temperature distribution of the water wall pipes in the water walls on the four sides is drawn according to measured temperature data, and whether water wall pipes located in an overheat area exist or not is judged; and throttling holes corresponding to the water wall pipes located in the overheat area are expanded, wherein after hole expanding is conducted during one time of operation, wall temperature monitoring and overheat judging are conducted in the next time of operation, and throttling holes corresponding to the water wall pipes located in the overheat area are expanded after the water wall pipes located in the overheat area are judged to still exist. By adoption of the method for decreasing the occurrence rate of the transverse cracks of the boiler water walls, the occurrence area and probability of the transverse cracks of the water walls are substantially decreased, and the safety of the water walls is improved.

The invention discloses a thermocompression bonding wheel for a drip irrigation belt. The thermocompression bonding wheel of the drip irrigation belt comprises an oil supply and distributing joint, a central shaft, an oil feeding pipe, a wheel strake, an oil channel baffle plate, a right side wheel flange, a left side wheel flange, a heat sealing pressing wheel, an external stainless steel protecting plate, a first joint, a second joint and a hose; the oil supply and distributing joint is fixedly connected to one end of the central shaft, and the other end of the central shaft is connected with a motor; the oil feeding pipe is positioned into an internal chamber of the central shaft; one end of the oil feeding pipe is connected with the oil supply and distributing joint while the other end of the oil feeding pipe is connected with a temperature control device; the wheel strake is arranged outside the central shaft in a sleeving way and is fixedly connected with the central shaft; a left annular groove and a right annular groove are respectively arranged on the edges of both sides of the wheel strake; the left side wheel flange and the right side wheel flange are respectively arranged in the left annular groove and the right annular groove, and moreover, the heat sealing pressing wheel is mounted in a clearance formed between the left side wheel flange and the right side wheel flange; and the heat sealing pressing wheel is arranged outside the wheel strake in the sleeving way. The thermocompression bonding wheel of the drip irrigation belt disclosed by the invention integrates the heating function and the extruding function, therefore, good effect of heating is achieved; and a copper-made heat sealing pressing wheel is adopted, by which the surface layer of a film can be prevented from being adhered to other layers.

The invention provides a surface coating for a hydraulic motor. The surface coating is prepared through following components including, by mass percent, 10%-12% of tin, 0.25%-2.0% of graphene and thebalance copper. The sheet layer thickness of the graphene ranges from 0.35 nm to 10 nm, and the width of the graphene ranges from 20 microns to 400 microns. The graphene is added in bronze, the thermal conductivity of a bronze coating can be obviously improved, the friction coefficient between friction pairs can be effectively reduced through the graphene, and heat and material losses generated due to friction are effectively reduced. Accordingly, the service life of a cylinder is effectively prolonged, and the using performance of the cylinder is effectively improved. The experiment result shows that the thermal conductivity of the coating is 84-170 W / <m.k>, compared with the prior art, the friction coefficient is reduced by 15%, the instant highest temperature of the friction pair interface is reduced to 160 DEG C from near 200 DEG C, and temperature distribution is smoother compared with the prior art. The invention further provides the surface coating for the hydraulic motor.

Methods of fabricating glass sheets (13) are provided in which the sheets are cut from a glass ribbon (15) composed of a glass having a setting zone temperature range (SZTR). As the glass is drawn, it passes through the SZTR (31) and an across-the- ribbon temperature distribution is produced at at least one longitudinal position along the ribbon to compensate for in-plane stress induced in the sheets (13) when flattened. Through such thermal compensation, glass sheets (13) are produced which exhibit controlled levels of distortion when cut into sub-pieces and thus are suitable for use as substrates in the manufacture of, for example, flat panel displays, e.g., LCD displays.