52results about How to "Increase guarantee rate" patented technology

The invention provides a shrinkage creep and prestress loss computation method of a concrete bridge. According to the invention, the shrinkage creep and prestress loss computation method of the concrete bridge, in which the time variation and the uncertainty are simultaneously considered, is obtained by analyzing the time variation of concrete through utilizing an age-adjusted effective modulus method (AEMM) and analyzing the uncertainty of the concrete through utilizing an accurate and rapidly-sampled Latin hypercube sampling (LHS) method; a prestress loss computation formula in which the time variation and the uncertainty of shrinkage creep and the interaction between the shrinkage creep and reinforcement stress relaxation are simultaneously considered is deduced according to a prestressed reinforcing steel and concrete stress balance equation and deformation coordination conditions and on the basis of the AEEM method and the LHS method; and a prestress loss computation method of the concrete bridge, in which the shrinkage creep and the stress relaxation are considered, is formed. In the structural internal force value field interval computed according to the shrinkage creep and prestress loss computation method disclosed by the invention, the unfavorable stress state of the bridge structure can be considered from multiple aspects in the designing process, so that the reliability of structure computation result is higher and the structure safety is better.

The invention relates to a building material cement concrete curing agent which comprises the following components by weight percent: 10 to 20 percent of sodium silicate, 2 to 6 percent of urea, 1 to 3 percent of triethanolamine, 0.2 to 5 percent of sodium fluosilicate, and the rest of water. The total weight of the components is 100 percent. The curing agent can prevent the surface of the concrete from being dried too early, reduce concrete shrinkage and cracking, achieve the ideal effect of improving the appearance and the internal quality of the concrete, and can save the building cost.

The invention discloses a solar energy-soil source heat pump seasonal balance heating system comprising a solar energy heat collector, a water tank and a solar energy heating heat-exchange coil pipe, wherein a ground source heat-pump heat-exchange coil pipe is arranged in the water tank and communicated with a plate heat exchanger by a second circulation pipeline; a second water pump, a second water pump, a first constant pressure tank and a magnetic valve are arranged on the second circulation pipeline; the plate heat exchanger is communicated with a heat pump assembly by a third circulation pipeline; a third water pump, a third constant pressure tank and a magnetic valve are arranged on the third circulation pipeline; the plate heat exchanger is communicated with an underground burying pipe by a fourth circulation pipeline; the underground burying pipe is buried underground and is provided with an underground insulating device; and a fourth water pump, a second constant pressure tank and a magnetic valve are arranged on the fourth circulation pipeline. The solar energy-soil source heat pump seasonal balance heating system can store redundant heat generated by a summer solar energy heat collecting system in winter to use, effectively save energy sources, increase the use efficiency of solar energy and solve the detects of the traditional earth source heat pump.

The invention discloses an active daylighting and solidified soil independent heat storage rear wall sunlight greenhouse which comprises a front wall, a rear wall and a roof. The roof is composed of a movable framework and a fixed framework, the movable framework and the fixed framework are fixed between the front wall and the rear wall, the movable framework is connected with one end of the fixed framework through a rotating bearing, the movable framework is connected with the other end of the fixed framework through a transmission system composed of a speed reduction motor, a transmission shaft, a gear and a rack, the internal structure of the rear wall comprises a solid bricking wall, the solid bricking wall is filled with a solidified soil heat storage layer, and an outer wall insulation board is arranged on the outer portion of the solid bricking wall. The external structure of the rear wall comprises a rear wall bricking body, an active heat storage prefabricated pore channel floor slab, a top reinforced concrete sealing plate and a back slope, wherein the back slope is arranged above the top reinforced concrete sealing plate, a concrete outer layer on the back slope extends in the fixed framework direction to form a slope top, and the active heat storage prefabricated pore channel floor slab is communicated with the interior of the sunlight greenhouse through an axial flow fan installed in an opening portion. The automation level of the greenhouse can be greatly improved.

A solar energy and building integrated hot air power generation, ventilation and heating system comprises a house body. The house body comprises a foundation, walls, doors, windows and a solar hot air power generation, ventilation and heating system body. The solar hot air power generation, ventilation and heating system body comprises a solar energy ground collector, a solar energy outer wall collector, a solar energy roof collector, a solar hot air power generator, a solar heating device, a solar ventilating device and a solar hot air water heating device. The solar hot air power generation, ventilation and heating system has the advantages that the features of solar energy is effectively used, solar energy hot air is used for heating domestic hot water, ventilating, cooling, power generating and heating, solar energy air collectors are integrated with a building, the system is low in cost, safe, reliable, good in stability and capable of comprehensively utilizing solar energy all the year round, and the domestic hot water supply, winter heating, summer power generation, ventilation and cooling of the single building in northern areas can be achieved.

The invention relates to the technical field of an energy storage device and particularly relates to an energy storage device which is filled with phase change energy storage materials. The energy storage device comprises a water tank and an energy storage body arranged in the water tank, wherein the energy storage body comprises an energy storage box body which is fixedly connected with the inner wall of the water tank, a phase change material injection pipe, a phase change material leakage pipe, and a water passing pipe which is vertically arranged in the energy storage box body and is used for penetrating through the energy storage box body up and down; the energy storage box body is internally filled with phase change materials. The invention provides a heat accumulation device filled with the phase change materials; the phase change materials are used for storing solar energy and a water temperature is controlled in a certain range; not only are the requirements of heating water temperature met, but also the water supplying temperature is reduced; the heat radiation loss is reduced, the heat collection efficiency of a heat collector is improved and the heat accumulation amount is increased; the device is applied to combination use of a solar floor radiation heating system and the better effect can be obtained.

The invention discloses an aero-engine baseline calculation method, an aero-engine condition monitoring method and an aero-engine condition monitoring system. The aero-engine baseline calculation method includes: analyzing cruising messages from an aero-engine to acquire flight data of the aero-engine; based on the flight data, establishing an aero-engine baseline model by partial least squares regression; based on the aero-engine baseline model, calculating a baseline value of the aero-engine. The aero-engine condition monitoring method includes: calculating continuous measurement values of aero-engine condition parameters and a baseline value of the aero-engine to form a measurement value deviation sequence; subjecting deviations in the deviation sequence to smoothing and warning in order. The aero-engine condition monitoring system comprises a user terminal, a database server, an application server, and a calculation engine server. The aero-engine baseline calculation method, the aero-engine condition monitoring method and the aero-engine condition monitoring system have the advantages that the baseline of the aero-engine can be mined and aero-engine condition monitoring can be achieved.

The invention discloses a ceramic teapot fettling and shaping machine provided with double wheel heads. The ceramic teapot fettling and shaping machine comprises a pot lid wheel head and a pot body wheel head, wherein the pot lid wheel head is arranged on a rack and supports a pot lid; the pot body wheel head is arranged on the rack and supports a pot body; the pot lid wheel head and the pot body wheel head are driven by a transmission mechanism to rotate around vertical axes of the pot lid wheel head and the pot body wheel head; a lid opening fettling cutter mechanism for fettling a lid opening, a lid body fettling cutter mechanism for fettling a lid body and a lid body punching cutter mechanism for forming air vents in the lid body are arranged in the positions, corresponding to the pot lid wheel head, of the rack; and a pot opening fettling cutter mechanism for fettling the pot opening is arranged in the position, corresponding to the pot body wheel head, of the rack. The pot opening and the pot lid which are processed by the ceramic teapot fettling and shaping machine provided with the double wheel heads are accurate in tolerance and can be accurately matched, and the assurance rate of a product checked according to the original quality standard is increased from 30% to above 90%.

The invention discloses a drip irrigation under film method for an underground salt water cotton field. An irrigation system comprises that: salt is pressed by fresh water in spring; and fresh or saltish flowing water is used for drip irrigation in a seedling stage, and 7 to 10g / L underground salt water is used for irrigating for 7 to 8 times in other periods. By the drip irrigation under film technology for 7 to 10g / L underground salt water cotton field, the irrigation guarantee rate in the cotton field of an irrigated area in severe shortage of fresh water resources can be greatly improved, and the cotton yield is over 380kg per mu; by the drip irrigation under film technology for 7 to 10g / L of underground salt water cotton field, limited fresh water and saltish water resources can be allocated to other relatively low-salt resistance crops, such as wheat, corn and the like. Therefore, the guarantee rate for agricultural irrigation in arid regions is integrally improved.

The invention discloses an assembly-type composite tube sea-water sea-sand concrete bridge pier. The structure of the bridge pier is composed of multiple composite tube sea-water sea-sand concrete column segments (100) which can be stacked, and the composite tube sea-water sea-sand concrete column segments (100) are connected into an entirety through back-tension prestressing force. The assembly-type composite tube sea-water sea-sand concrete bridge pier is characterized in that the composite tube sea-water sea-sand concrete bridge pier column segments are formed by composite tubes (1), sea-water sea-sand concrete (2), corrugated pipes (3), prestressing ribs (4) and anti-shear ribs (7), one or more pairs of protruding ribs (6) and grooves (5) are arranged between seams of every two composite tube sea-water sea-sand concrete bridge pier column segments, and the protruding ribs (6) and the grooves (5) are glued through a cementing material; each composite tube sea-water sea-sand concretebridge pier column segment (100) is provided with the corresponding corrugated pipe (3) in the height direction, and one or more prestressing ribs (4) penetrate through the corrugated pipes (3) of each column segment. The assembly-type composite tube sea-water sea-sand concrete bridge pier has the advantages that the bridge pier is good in durability, high in bearing capacity and good in corrosion resistance, the materials are easy to take, and the bridge pier is beneficial to sustainable development; meanwhile, the structure of the assembly-type composite tube sea-water sea-sand concrete bridge pier has the advantages that the structure can be prefabricated and transported in a large scale, is convenient to mount, short in construction period, low in energy consumption and little in environmental pollution, and can be suitable for marine engineering structural construction.

The invention discloses a simple greenhouse crop evapotranspiration condensing irrigation system. The system comprises a simple greenhouse, a condensing pipe, a cooling pipe laid at the lower portion of the simple greenhouse and buried under the ground, an irrigation pipe, a water pump and a reservoir, the irrigation pipe and the water pump are arranged in the simple greenhouse, the reservoir is arranged outside the simple greenhouse, the water pump is communicated with the reservoir through an irrigation water inlet pipe, the lower end of the inlet section of the condensing pipe penetrates through the cooling pipe and is connected with one end of a semi-conductor refrigerating pipe, the upper end of the inlet section of the condensing pipe stretches into the simple greenhouse, the lower end of the outlet section penetrates through the other end of the cooling pipe and is connected with the other end of the semi-conductor refrigerating pipe, and the upper end of the outlet section of the condensing pipe is arranged outside the simple greenhouse. The simple greenhouse crop evapotranspiration condensing irrigation system based on the semi-conductor refrigerating pipe is compact in structure, can efficiently collect and recycle crop evapotranspiration moisture and increase the utilization rate of greenhouse crop irrigation water.

The invention relates to clean energy heating, in particular to a solar energy and air energy combined heating system. The solar energy and air energy combined heating system comprises an external heat preservation system, a light transmission system, a heat collection system, an air source heat pump, a heat storage system, a control system, the heating system and the like. The solar heat collection system, the air energy heat pump and the heat storage system are constructed, when the sun shines, the external heat preservation system is started, thesolar radiation obtained by direction incidence and scattering from the sky and reflection froma reflector and the ground can beabsorbed by the heat collection system and heat storage materials and stored in the heat storage system, and at night or the moment without sunshine,the external heat preservation system is stoppedaccording to the situation, so that the heat loss of the heat collection system and the heat storage system is reduced to the maximum extent, and air energy is used in an assisted mannerwhen solar energy is insufficient. The system is high in heat collection and storage efficiency, low in unit effective heat supply investment, good in economic and social benefit, capable of supplying heat to agricultural, industrial and commercial fields all year round, capable of supplying heat to buildings in winter, and capable of replacing fossil energy in a large scale, energy-saving and environment-friendly manner.

A technology of blocking the floating alga and similar floating contaminations in a water body by a gas curtain consists of a low pressure gas supply pipeline system, a pipe branch interface and a millipore aeration pipe branch and is arranged about 2m under the water to form a 'curtain' shaped gas-water flow in the water body by zonal aeration to cut off the wind-generated laminar flow of lake water so as to block the floating alga and the similar floating contaminations. The technology can build an invisible (obstacle-free) water body floating contamination blocking protection line used for the blocking, the stream guidance and the enrichment of the contaminations such as floating alga, etc. in an inland low flow speed water body and the construction scale of the technology can reach 10km; wherein, the running energy consumption is less than 20kw. The technology is not affected by wind, wave and ships with a service life of over 10 years.

The invention relates to a water hammer protection device for a long-distance pumping water supply system. Local high points exist in a water delivery pipeline, and one local high point is connected with the water hammer protection device through a service valve; the water hammer protection device comprises a compressed air tank, pressure reducing valves, an air valve, gas transmission pipelines and solenoid valves; the water hammer protection device is provided with ventilation channels connected with the compressed air tank, the ventilation channels are formed by connecting the pressure reducing valves, the gas transmission pipelines and the solenoid valves A in sequence and connected with the air valve through the solenoid valve B. In the hydraulic transition process, when the pressure in water delivery pipeline is smaller than set pressure at outlets of the pressure reducing valves, compressed air is injected into the pipeline, water hammer damage is effectively inhibited in time, and compared with a pressure regulating tower and an air tank, the water hammer protection device is low in cost; compared with the air valve, the minimum pressure of the installation position of the device is increased, and the water hammer protection effect is good; an air injection protection long-distance pumping water supply system water hammer is high in guarantee rate, safer and more efficient.

The invention discloses a water guiding sealing device for a shield tunnel joint. The water guiding sealing device for the shield tunnel joint realizes complete sealing and water guiding of a duct piece joint crack, and avoids water leakage of the joint from adversely affect a tunnel. The water guiding sealing device for the shield tunnel joint comprises an arc-shaped rubber belt stretching acrossa caulked joint and extending along the duct piece joint crack, and an inverted filtering layer is fixedly arranged on the inner surface of the arc-shaped rubber belt. Two lateral sides of the arc-shaped rubber belt form detachable connection through bolts and duct pieces which are arranged at vertical intervals, so that the inner surfaces of the two lateral sides of the arc-shaped rubber belt are closely attached to the duct pieces to form sealing, and the inverted filtering layer is closely attached to the caulked joint.

The invention discloses a concentrated cross-seasonal and short-term distributed heat storage series solar heating system and method. The system comprises a concentrated cross-seasonal heat storage solar heat source station and a short-term distributed heat storage distributed heat exchange station. The distributed heat exchange stations are connected in parallel; the solar heat source station is connected with each distributed heat exchange station through a long-distance transmission and distribution pipeline; the distributed heat exchange station is connected with a user heating system; heat collected by a solar heat collection field is stored in a concentrated cross-seasonal heat storage water tank, the heat is conveyed to a short-term distributed heat storage distributed heat exchange station at low temperature through a long-distance conveying and distribution pipeline, the heat is subjected to heat exchange and quality improvement through a water-water heat exchange heat pump in the heat exchange station, and then hot water with the temperature increased is stored in a short-term heat storage water tank; and finally, the circulating booster pump and the water segregator are used for supplying heat to each heat user. The energy utilization rate of the solar heating system can be effectively improved, and the stability of the system is guaranteed.

The invention relates to a fastening clamp for a web side formwork of a stiffened concrete beam. The fastening clamp comprises a plurality of clamp units, wherein each clamp unit consists of a left / right side rod, split bolts, nuts and stop collar rods, grooves are formed in the rod ends of one sides of the left / right side rods, a plurality of holes for threading the split bolts are formed from the middle sections of the left / right side rods to the rod sections on the other sides at an equal interval, the groove rod sections of the left / right side rods are attached to the web side formwork of the stiffened concrete beam, the split bolts are threaded through the middle sections and the tail sections of the left / right side rods, the stop collar rods are arranged on the split bolts at the tail sections in a sleeving way, the nuts of the split bolts in the middle sections of the left / right side rods are tightened, and the web side formwork of the stiffened concrete beam is tightly clamped by the left / right side rods. The fastening clamp has the advantages that the traditional fastening mode of forming the holes in the web of the steel beam and threading the split bolts is replaced by the product, the problems that the inaccurate alignment of formwork holes on the two sides of the beam causes difficult construction and repeated formwork hole forming are effectively solved, and the concrete molding quality is ensured.

The invention discloses a ceramic solar modular phase change heat storage sunlight greenhouse and a phase change solution thereof. A rear greenhouse wall comprises a heat preservation thermal insulating component, a rear greenhouse wall steel structure component and a solar ceramic phase change component, wherein the solar ceramic phase change component comprises a ceramic solar panel and a ceramic solar panel water returning pipeline; the heat preservation thermal insulating component, the rear greenhouse wall steel structure component and the ceramic solar panel form a rear greenhouse wall body structure; the ceramic solar panel water returning pipeline communicates with the inner cavity of the ceramic solar panel and is arranged inside the rear greenhouse wall steel structure component; the ceramic solar panel water returning pipeline is filled with the phase change solution. The ceramic solar modular phase change heat storage sunlight greenhouse can be rapidly manufactured and assembled in a modular manner, meanwhile heat can be stored and released actively by using a fan assembled on the rear greenhouse wall, and furthermore heat can be directly acquired from sunshine by using a liquid phase change material inside the rear greenhouse wall.

The invention provides a solar heating system based on dissipation-reduction optimization and a control system of the solar heating system. The solar heating system comprises a solar heat collector, a heat storing water tank, an indoor heat dissipater, a heat collecting circulating pump, a heat supply circulating pump, connecting pipelines, connecting valves, a digital temperature sensor, a flowmeter, a frequency converter and a controller. According to the solar heating system based on dissipation-reduction optimization and the control system of the solar heating system, optimized design is conducted on the integrated form, an operation mode and a control method of the links of solar heat collecting, heat storing, heat supplementing and heat supplying from the perspective of energy dissipation, and the common problems that the solar heating system conducts reverse heat transferring through the heat collector, control targets of supply and storage of the heat collecting volume cannot be coordinated, the heat of the heating side is transmitted reversely to the water tank, the control target of heat supply of the water tank cannot be coordinated, simultaneous operation of heat supplementing and heat storing cannot be achieved, and heat storing is ineffective in application of solar opto-thermal heating are solved. Meanwhile, the solar heating system based on dissipation-reduction optimization and the control system of the solar heating system can maximally utilize the passive heat storage characteristic of a building, the requirement for heat storing volume is reduced effectively, and the mixing loss in the heat storing water tank is effectively reduced.

The invention relates to a building foundation type sandy soil heat storage self-heating system which comprises a building foundation, an enclosing wall and a foundation type sandy soil heat storage self-heating system. The foundation type sandy soil heat storage self-heating system comprises a foundation type sandy soil heat storage device, a hot air duct, a cold air duct, a hot air louver and a cold air louver; the foundation type sandy soil heat storage device comprises a heat storage body, a heat exchange pipe buried in the heat storage body and air diffusers at both ends of the heat exchange pipe. The building foundation type sandy soil heat storage self-heating system has the characteristics of low heat storage cost, large heat storage capacity, high heat exchange efficiency, no energy consumption in the heating process, good performance of regulating and controlling heating power and the like. The system has the advantages of simple structure, safety, reliability, high stability, wide adaptability and the like and is a very ideal sandy soil heat storage self-heating system which is used for a single-layer or multilayer building in the northern area to utilize new energy, such as wind energy, solar energy and the like, to carry out heating.

The invention relates to a heat recovery composite energy system for hospital buildings. The heat recovery composite energy system for the hospital buildings is composed of a GSHP (Ground Source Heat Pump) air conditioning system, a heating water tank, a hot water storage tank, a backwater electromagnetic valve and a control cabinet, all of which are connected circularly and in order, wherein a hot water make-up pump and a hot water circulating pump A are connected between the heating water tank and the hot water storage tank respectively; an inlet water electromagnetic valve is connected between the heating water tank and the control cabinet; the GSHP air conditioning system is a combined system of a partial heat recovery GSHP machine set and a total heat GSHP machine set; the partial heat recovery GSHP machine set is communicated with the heating water tank and is provided with a hot water circulating pump B; the partial heat recovery GSHP machine set and the hot water circulating pump B are connected through the control of the control cabinet; the total heat recovery GSHP machine set is communicated with the heating water tank and is provided with a hot water circulating pump C; the total heat recovery GSHP machine set and the hot water circulating pump are connected through the control of the control cabinet. The heat recovery composite energy system for hospital buildings is conductive to year-round heat balance of a GSHP buried pipe system, is convenient for management and maintenance, and reduces operating cost.

The invention relates to a seawater desalination and water purification system, and especially relates to a novel high-efficiency solar seawater desalination system and solar water purification system. The novel system comprises an external heat insulation system, a light transmission system, a heat collection system, a heat storage system, a seawater desalination device (water purification device), and auxiliary devices (mainly including an auxiliary energy devices, valves and pumps). Seawater desalination or sewage purification is directly or indirectly carried out by optimizing system design and constructing the high-efficiency solar heat collection system and the heat storage system, and energy is supplied by an air source, a water source, a ground source heat pump and other renewable energy or fossil energy when sunshine is insufficient. The system of the invention utilizes solar energy resources, land resources and marine resources reasonably and efficiently, improves the water production efficiency of seawater desalination and water purification, improves the reliability of the seawater desalination and water purification systems, and provides an efficient, green and environmentally-friendly way for large-scale desalination and water purification.

The invention provides a solar energy heat supply system based on the cross season water thermal storage. A control device of the solar energy heat supply system is connected with the valve of each pipe; a solar energy refrigeration device is also connected in parallel with the solar energy heat device, the device comprises a solar energy plate and storage batteries, the solar energy plate and the storage batteries are located on the solar energy plate, the storage batteries are connected with semiconductor refrigeration chips; the semiconductor refrigeration chips are arranged on the place between a first heat exchanging device and a second heat exchanging device, a heat insulation sealing pad is arranged on the place between the second heat exchanging device and the semiconductor refrigeration chips; a blocking plate is arranged on the outer side of the first heat exchanging device; and a cross season cold storage solid is connected with the solar energy refrigeration device. According to the solar energy heat supply system based on the cross season water thermal storage, when heat supplies are transmitted cross the seasons, the solar energy can also be utilized to refrigerate, so that the functions of the device are augmented, the device is more practical, and the heat supply assurance rate of the solar energy can be increased to the largest extent.

The invention discloses an ultralow-energy-consumption steel structured modular house. The house comprises a ground ring beam and modules; at least two modules are provided and mounted on the ground ring beam; the modules comprise a bottom module unit and a top module unit; the bottom module unit comprises a hexahedron structure encircled by a first stand column, a first bottom beam, a first top beam, a first base plate structure and four first side plate structures and short of a top surface; a connecting piece is arranged at the top of the first stand column; the top module unit comprises abox type structure encircled by a second stand column, a second bottom beam, an inclined top beam, a second base plate structure, an inclined top plate structure and at least three second side plate structures; a connecting piece is arranged at the bottom of the top module unit opposite to the connecting piece on the bottom module unit; and a connecting piece is correspondingly arranged between the top module unit and the bottom module unit for connection. The ultralow-energy-consumption steel structured modular house solves the technical problems of difficult connection between traditional steel structured integrated modules, weak thermal insulation performance and difficult heat bridge and air tightness treatment.

The invention discloses a preparation method of an intelligent early-warning and temperature-resistant material. The preparation method comprises the following steps: 1, mixing silicon resin and a solvent according to the mass ratio being (10-30):(50-70); 2, adding a dispersing agent into the mixture in the step 1 and stirring, and adding temperature-changing powder and stirring uniformly to obtain coating slurry, wherein the mass ratio of the dispersing agent to the silicon resin is (90-95):(2-5), and the mass ratio of the temperature-changing powder to the silicon resin is (90-95):(1-1.5); 3, coating a silicate fiber layer with the coating slurry in the step 2, wherein the coating thickness is 2 to 20 silk, and the gluing quantity is 30 to 220 g / m<2>; and 4, performing curing treatment on the coated silicate fiber layer to obtain the intelligent early-warning and temperature-resistant material. The preparation method of the intelligent early-warning and temperature-resistant material has the following advantages of actively performing early warning, reducing skin allergy probability, improving wearing comfort, having high material internal combining firmness and facilitating postprocessing cutting to make any models.

The invention relates to the technical field of phase change energy storage, in particular to an assembly type heat storage and release module and an intelligent control phase change heat storage and release system. The assembly type heat storage and release module comprises a heat storage and release unit, the heat storage and release unit is sleeved with an assembly type shell, the assembly type shell comprises an assembly plate and a connecting piece, and the assembly plate and the connecting piece are assembled into the shell used for containing the heat storage and release unit through a first guide rail structure. The connecting piece is provided with a connecting structure used for connecting the adjacent heat storage and release module assembling plates. A plurality of groups of heat storage and release modules, an intelligent controller, temperature sensors and control valves form an intelligent control heat storage and release system. The system disclosed by the invention is high in structural flexibility, and the expansibility, the regulation and the collaboration are enhanced. According to the heat storage and release part, the number of the used heat storage and release modules and the adjusting method can be adjusted according to the matched low-grade heat source system and the served heat users so as to adapt to different use environments, and the overall energy utilization efficiency is improved.

The invention relates to a method of quality monitoring and reinforcement technology for pile construction using electrical resistivity survey method, which is suitable for construction quality monitoring of bored pile, underground diaphragm wall, tube-sinking cast-in-situ pile, CFG pile, etc. It is mainly characterized in that electrical resistivity survey method is used to detect declogging quality, monitor construction quality of concrete perfusion, and as a result, concrete faults property, affected extent and producing reasons can be judged accurately; and in concrete flow state, faults consolidation can be taken and treatment effects can be detected after that; water quality of sound ranging pipe can be also detected; and underground potential flow can be detected and treated. The invention says goodbye to the time of empirical pile construction, improves engineering quality effectively, reduces loss and guarantees construction period.