928results about How to "Reduce initial investment" patented technology

The invention relates to a method for allocating mass storage resources according to needs in a heterogeneous SAN (Storage Area Network) environment, belonging to the field of storage area networks, in particular to the technical field of storage virtualization therein. The invention is characterized by designing and realizing an out-of-band storage virtualization system aiming at a heterogeneousstorage application server and various storage devices in the SAN environment and providing a method for allocating the mass storage resources according to needs based on allocation while writing anddynamic address mapping mechanism on the basis of the system. The method can be used for allocating the storage resources according to the actual needs of applications, dynamically expanding the mapping relation between the logic storage space and the physical storage space, effectively increasing the utilization rate of the storage resources and the expandability of storage capacity, reducing the maintenance cost of the storage devices and realizing instant storage purchase.

According to one embodiment, the method comprising the steps of creating, by a first user of the social networking site, at least one first profile associated with a business; creating, by a second user of the social networking site, at least one profile associated with a potential customer; generating, by the first or a third user of the social networking site, at least one machine readable token associated with the first profile; displaying the at least one machine readable token in an intended business context; capturing, by the second user, the at least one machine readable token with a mobile device; submitting, by the second user, information regarding the captured machine readable token to the social networking site; and automatically creating a link on the social networking site between the first profile and the second profile in response to the submitted information.

In the shop POS register terminal, the settlement request generating unit generates settlement request information including an amount of settlement upon receipt of an operational input of IC card settlement; and the request barcode generating unit generates a request barcode from the settlement request information, and causes the POS register terminal to display on the screen or to print for output. In the cell phone, the request barcode restoring unit images the request barcode by the camera; the IC card settlement unit subtracts the amount of settlement of the restored settlement request information from the value charged to the IC chip of the cell phone; the settlement response generating unit generates settlement response information including a balance after settlement of the IC chip; and the response barcode generating unit generates a response barcode from the settlement response information, and causes the cell phone to display the same on the screen. In the POS register terminal, the response barcode restoring unit reads out the response barcode to restore the settlement response information; the IC card settlement ending unit confirms the end of the IC card settlement from the restored settlement response information, and causes the POS register terminal to print the receipt for output.

The invention relates to a tool used in an insulation brick manufacturing process, in particular to a production line for self-insulation building blocks, which comprises a stirring machine. The production line is characterized in that automatic metering devices are arranged on a feeding port and at the bottom of the stirring machine, a production track capable of automatically conveying molds isdisposed below a distributing port of the stirring machine, a stripper is further arranged on the production track and is spaced from the stirring machine by a proper distance, a return track and a track leading into a maintenance area are respectively disposed on two sides of the other end of the stripper, the return track sequentially penetrates through a cleaning area, an oil injection area and a core setting area, a link plate machine is arranged at the other end of the maintenance area, and a manipulator is disposed at the other end of the link plate machine. The production line is high in production efficiency and annual yield, occupied land area and workshop investment are reduced, operating expense is saved, and the production line can operate continuously.

The invention discloses a pile-embedding spiral pipe typed ground source heat pump system and a heat transmission model of a geothermal heat exchanger thereof. A solid cylindrical surface heat source model is put forward for the first time and two analytic solution expressions of the heat transmission model is worked out by the Green function method. The system can sufficiently utilizes the underground area of a building, saves a great amount of expenses for boring and pipe embedding, reduces the initial investment of the ground source heat pump system, improves the construction efficiency and has convenient and quick construction. Furthermore, the heat transmission model of the pile-embedding spiral pipe geothermal heat exchanger can quantitatively analyze the effects of all parameters of the pile-embedding spiral pipe geothermal heat exchanger on the heat transmission capability and provides a basis for the engineering design. The structure of the pile-embedding spiral pipe typed ground source heat pump system comprises the geothermal heat exchanger which is connected with an air conditioning heat pump system by pipelines; the air conditioning heat pump system is connected with a conveying and end system in the building; the geothermal heat exchangers have the quantity of more than one; and each geothermal heat exchanger forms the pile-embedding spiral pipe-typed geothermal heat exchanger by building pile foundations and spiral pipes which are embedded in the pipe foundations.

The invention relates to a multi-operating mode energy-saving controlled combined type thermostatic and humidistatic air conditioning unit with a thermometal compound box body structure special for nuclear power stations. The air conditioning unit comprises a control system and a box body structure, wherein a primary-efficiency filter, a medium-efficiency filter, a surface cooler, a heater, a humidifier and a blow-off device are sequentially arranged in the box body; the front side of the primary-efficiency filter is provided with a fresh air and return air mixing section, and inlets of fresh air and return air are respectively provided with a fresh air proportioning valve and a return air proportioning valve; the control system adopts a programmable logic controller (PLC) and adopts air conditioning multi-operating mode zone control to realize the energy-saving operation of the unit; the surface cooler adopts a large temperature difference cold water heat exchanging technology and can save the investment and operation expenses of a water system; and the box body adopts a double-layer compound structure and an anti-shock device to meet the special requirements on the nuclear power stations. The invention has the characteristics of high efficiency, energy saving, good tightness, strong anti-shock capacity, safety, reliability, long service life, and the like.

The invention provides a thermoelectricity decoupling transformation and operation method based on heat source end and heat network comprehensive adjustment, and the thermoelectricity decoupling is realized through transformation of a high-pressure bypass and low-pressure bypass, cylinder disengaging operation of a low-pressure cylinder, additional arrangement of an electric boiler and pipe network heat storage of a heat network. In order to ensure the heat supply capacity of a unit under the low load, the cylinder disengaging operation transformation of the low-pressure cylinder is carried out on the basis of an original steam extraction and heat supply mode to increase the heat supply capacity of the unit; meanwhile, by means of joint adjustment of an initial station and a secondary station, the defect that the heat supply capacity is insufficient under the low load is overcome through the heat storage of a primary pipe network under the high load; by means of the cylinder disengaging operation of the low-pressure cylinder and the heat storage of the primary pipe network, the problem that the heat supply amount under the low load is low during the whole heat supply period can be solved basically; the electric boiler is adopted during transformation so that the electric boiler can be used as the peak adjustment of the heat load when the heat storage function fails because of an extreme weather period and a long-time pipe network operation of the unit under the low load; and meanwhile, the high-pressure bypass and the low-pressure bypass are transformed to serve as a standby means for heat supply, so that the reliability of heat supply under the low load of the unit is further improved.

The invention relates to a combined type heat exchange unit. The combined type heat exchange unit is characterized in that a compression heat pump, an absorption heat pump, more than one water-water heat exchanger and connecting pipelines are included; the connecting pipelines are divided into the primary side pipeline and the secondary side pipeline; the primary side pipeline is in a step-by-step series connection, namely the primary side pipeline is sequentially communicated with a generator of the absorption heat pump, the water-water heat exchanger, an evaporator of the absorption heat pump and an evaporator of the compression heat pump; the secondary side pipeline is communicated to a heat consumer in the mode of first parallel connection and then series connection or step-by-step series connection or independent separating connection. According to the combined type heat exchange unit, the heat of primary network hot water can be utilized in a gradient mode, so that the temperature difference of water supply and water return of primary network hot water of a centralized heating system is greatly increased. Accordingly, the initial investment of a pipeline system and the power consumption of water pump operation can be greatly reduced, conditions are created for utilizing low-grade heat energy and even waste heat and the like of a power source, the comprehensive energy utilization efficiency of the system is improved, and the heat supply cost is lowered.

The invention relates to an air conditioning system for independently controlling temperature and humidity, belonging to the air conditioning system field, which comprises an evaporator, an expansion valve, a condenser, a compressor, a gas-liquid heat exchanger, a condensing heat exchanger, a solution regeneration device, a valve 1 to 5, a heat exchanger and a connecting pipeline. The system recovers heat dissipating capacity of the condenser of an air source heat pump unit, and the heat dissipating capacity is used as the heat of the solution regeneration in order to realize the regeneration of desiccant solution, which reduces the requirements of the solution regeneration on other waste heat. The invention saves energy in the regeneration process of the desiccant solution, improves the energy efficiency ratio of the air conditioning system, has the simple structure, and reduces the heat pollution of the environment.

The invention provides a device and a method for improving the biological dephosphorizing and denitriding efficiency of low carbon source sewage, belonging to the technical fields of sewage treatment and residual sludge treatment. The method comprises the following steps of: under the microwave alkaline hydrolysis condition, hydrolyzing solid organic matters in the residual sludge into soluble organic matters; recovering and hydrolyzing nitrogen and phosphor in supernate by adopting a magnesium ammonium phosphate setting method; and adding the hydrolyzed supernate subjected to dephosphorizing and denitriding treatment in the low carbon source sewage and carrying out biological dephosphorizing and denitriding treatment on the hydrolyzed supernate so as to improve the biological dephosphorizing and denitriding efficiency of the low carbon source sewage. According to the invention, by carrying out the microwave alkaline hydrolysis treatment on the residual sludge to produce high-concentration soluble organic matters easy to biodegrade, the product can be used as a low-price carbon source subjected to biological dephosphorizing and denitriding treatment in the lower carbon source sewage, and the biological dephosphorizing and denitriding efficiency in the lower carbon source sewage can be improved; meanwhile, sludge minimization, reclamation and harmlessness can be realized. The VSS (Volatile Suspended Solids) solubility in the sludge can be improved to 82 percent, so that the effluent quality of the low carbon source sewage treated by the device and the method achieves the first-class B standard 'Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant' (GB18918-2002).

This invention relates to the field of solar energy heat pump water heater technology, especially a method of starting and stopping the special heat pump water heater cooperated with solar energy. An environmental temperature sensor detects environmental temperature T ring at any time. The T ring calculates the average temperature T average of each day. The T average determines the actual weather belongs to summer, winter or transitional season. A hot water temperature sensor detects the water temperature T hot in the heat preserving water tank at any time. The T hot compares the setting temperature Tfh and determines the starting and stopping of compressor in different seasons and times. This invention can greatly reduce the heating power arrangement of heat pump water heater. It can also reduce the initial cost and resource consumption in the initial cost.

The invention discloses a compound solar air source heat pump, and belongs to the heat supply field. The compound solar air source heat pump comprises an air source heat pump circulation system, an air source heat pipe circulation system, a solar heat pump circulation system, a solar heat pipe circulation system, a solar air source heat pump parallel-connection circulation system, a solar air source heat pipe parallel-connecting circulation system, a solar air source heat pump serial-connecting circulation system and a solar air source heat pipe serial-connecting circulation system. The compound solar air source heat pump can achieve switchover operation of multiple modes according to the solar radiation conditions and the change of outdoor air temperature, achieve the purpose of making full of various grades of solar energy and air thermal energy, effectively lower the primary investment of a heating system, improve the utilization efficiency and utilization degree of solar energy of different radiation intensities and air thermal energy of different temperature grades, and overcome the defects that when the solar energy is not sufficient, a traditional solar water heater can not reliably supply hot water, and an air source heat pump usually only can use air thermal energy but can not effectively use solar radiation energy.

The invention discloses a distribution network expansion planning method considering the optimized operation of a regional integrated energy system. Firstly, a regional integrated energy system modelis established and the internal energy flow relationship is analyzed. Secondly, based on the multi-agent system, a three-layer interactive structure including the main layer, the regional layer and the device layer is built to realize the interaction of different entities on the spatial scale. Then, a bi-level optimization model is established for the distribution network with residential, commercial and industrial regional integrated energy systems. The upper level is used for the expansion planning of distribution network, and the lower level is used for the optimization operation of regional integrated energy systems. Genetic membrane algorithm and sequential quadratic programming are used to solve the upper and lower level models nested nested. Finally, the simulation example shows that the distribution network planning considering the optimal operation of regional integrated energy system can reduce the total cost of planning, improve energy efficiency and new energy consumption rate.

The invention provides an air conditioning system integral optimized control device. The device comprises a host (101), a weak current control system (102), and a strong current control system (103), wherein both the weak current control system (102) and the strong current control system (103) are connected in parallel with the host (101) via an RS485 communication interface. The control device provided by the invention realizes the control completely compatible and parallel with an original central air conditioning control circuit, and has a local control mode and a remote control mode, wherein the local mode is applicable to site button operation, and the remote mode is applicable to remote computer remote control operation. The remote mode is divided into an automatic mode and a manualmode, wherein the manual mode can realize remote inching equipment operation, and the automatic mode can realize the full-automatic, failure-free and optimized operation of the central air conditioning system.

The invention discloses a continuous feeding device for an electric arc furnace preheated by flue gases. The device comprises a double-duct conveying trough and a flue gas guiding hood; a carrier plate with a flue gas channel is arranged in the middle part of the double-duct conveying trough; a material circulating duct is arranged above the carrier plate, and a flue gas circulating duct is arranged below the carrier plate; a seal gate matched with the upper opening of the lower end of the material circulating duct is arranged on the flue gas guiding hood; the double-duct conveying trough forms a flue gas diffusion heat exchanging mechanism from bottom to top, contact area between materials and high temperature flue gas is enlarged, the stay time of the flue gas is long, and the material preheating effect is greatly improved; as the double-duct conveying trough is arranged in an inclined way, the feeding point is raised, the trough bevel is large, the waste steel material blanking point can easily close to the center high temperature area of the furnace, so that the cold area phenomenon is eliminated; as the diffusion and heat exchange designs are realized, the powder dust in the exhausted flue gases is greatly reduced, the flue gas flowing is more in line with the natural rules, and the problems of exhaust pipe blockage and the like are solved.

The invention provides a coal combustion apparatus capable of separating carbon dioxide, which is mainly formed by connecting a fuel reactor, a primary cyclone separator, a dipleg and an air reactor in series; wherein the lower part of the fuel reactor is provided with a mixing chamber with large cross section, and the upper part thereof is provided with a lifting tube with small cross section; and the height of the lifting tube is over three times higher than that of the mixing chamber. The invention also provides a method using the coal combustion apparatus capable of separating the carbon dioxide to separate the carbon dioxide. The fuel reactor adopts the structure of a reactor with long residence time, internal circulation can be formed by granules, and the gas-solid turbulence is improved; the air reactor adopts a moving fluidized bed to ensure the operation to be stable, so that the heat can be evenly released; meanwhile, a heat exchanger is arranged inside the bed, so that coking caused by local overheating since a great deal of heat is released in a centralized way in oxidation reaction can be avoided. Furthermore, the fuel reactor and the air reactor run under the pressure, so that the equipment can be compact, the utilization efficiency of system energy is high, and the subsequent carbon dioxide compression energy consumption is reduced.

The invention discloses a solution-spraying type air-conditioner heat pump unit, belonging to the field of refrigerating air-conditioning equipment. The solution-spraying type air-conditioner heat pump unit is technically characterized in that with the adoption of the solution spraying, the unit diffuses condensation heat to the environment in summer and takes heat from the outdoor air environment in winter; and the solution is regenerated by the using of exhausted gas of the compressor or hot water manufactured by the unit. Compared with an air source heat pump unit, the solution-spraying type air-conditioner heat pump unit has the obvious characteristics that the refrigeration efficiency is high, the continuous heating operation can be realized without defrosting in winter and the heating efficiency is high, and in addition, the structure of the unit is compact and the early-investment of the equipment is low.

The invention discloses a low-grade energy driving and mechanical work driving combined heat pump or refrigerating system. A low-grade energy collector is connected with a generator, a first condenser, a refrigerant agent storage device, a first throttle valve, a condensation evaporator, an absorber, a liquid storage device, a solution pump, a solution heat exchanger and a generator in sequence; the high-pressure end of a compressor is connected with the solution heat exchanger, a second condenser, the condensation evaporator, a three-way valve, a second throttle valve, a winter evaporator and the low-pressure of the compressor in sequence; the three-way valve is connected with a third throttle valve, a summer evaporator and the low-pressure end of the compressor in sequence; and the concentrated solution outlet of the generator is connected with the solution heat exchanger and the absorber in sequence. The combined heat pump or refrigerating system has the advantages of all low-grade heat pumps and refrigerating systems. A compression heat pump and the refrigerating system are combined, and when the low-grade energy is sufficiently supplied, the COP of the system is greatly improved; when the low-grade energy is not sufficiently supplied, the system can be effectively operated; and when the low-grade energy is not supplied at all, the system can also be stably operated.

The invention relates to a process for producing polyphenyl thioether, comprising the following steps of:, mixing hydrogenous sodium sulfide, lithium chloride and N-methyl pyrrolidone in the weight ratio of (20-25): (2-6): (70-80), co-boiling the mixture and inert gases at 150-210 DEG C for distilling and dehydrating; separating solvent by refining; respectively adding santochlor, solvent and lithium chloride in anhydrous sodium sulfide, separating after complete reaction to obtain polyphenylene sulfide; compositely washing the polyphenylene sulfide to obtain pure polyphenylene sulfide; and reclaiming the lithium chloride by filtering, reclaiming the solvent and flashly evaporating dimethylbenzene solution in a two-period mode and cooling and crystallizing. The invention has the advantages of low cost, simple process, excellent performance of synthetic resin and high solvent recovering rate.

The invention relates to a multi-source heat pump cold and hot water unit integrating solar energy, air energy and sleeve accumulated energy. The multi-source heat pump cold and hot water unit is mainly composed of a solar thermal collector, an energy storage heat exchanger, an outdoor air heat exchanger, a compressor, a thermal storage water tank, a user side heat exchanger, a gas-liquid separator, a heat collecting water pump, a user circulating water pump, an electromagnetic valve, a motor-driven three-way reversing valve, a motor-driven four-way reversing valve, a start-stop valve, a throttling valve, a one-way valve and the like; according to different outdoor climatic conditions, multiple operation modes such as direct solar heat supply, living hot water produced by solar, solar heat accumulation, heat supply of an energy storage heat pump, heat supply of an air source heat pump, energy storage and air source heat pump combined heat supply, living hot water produced by an air source heat pump, cold supply of air source heat pump, air source heat pump cold accumulation, heat pump cold accumulation and production of life hot water, and cold accumulation cold supply are realized. The complementary utilization of air energy and solar energy and two-way utilization of cold and heat of a heat pump unit are realized, and one set of equipment is adopted to realize heating, refrigeration, energy storage and living hot water supply.