CN103134186B - Multiple-cavity heat preservation water tank free of water mixing - Google Patents

Multiple-cavity heat preservation water tank free of water mixing Download PDF

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Publication number
CN103134186B
CN103134186B CN201310087593.5A CN201310087593A CN103134186B CN 103134186 B CN103134186 B CN 103134186B CN 201310087593 A CN201310087593 A CN 201310087593A CN 103134186 B CN103134186 B CN 103134186B
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water
cavity
water tank
tank
temperature
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CN201310087593.5A
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CN103134186A (en
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郏松筠
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郏松筠
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Abstract

The invention relates to a multiple-cavity heat preservation water tank free of water mixing. The multiple-cavity heat preservation water tank free of water mixing is characterized in that the inside of a tank body is divided by a plurality of separation plates or separation films into N hollow cavities, each hollow cavity is provided with water passing holes, the water passing holes of the first hollow cavity are communicated with the second hollow cavity, the Nth hollow cavity is provided with a hot water supply port, the water passing holes of the Nth hollow cavity are only communicated with the (N-1)th hollow cavity, the water passing holes of the other hollow cavities are respectively communicated with a former hollow cavity and a later hollow cavity, the inside of the water tank forms a through path, and in the through path, series connection is formed from the first hollow cavity to the Nth hollow cavity, and all the hollow cavities are communicated. The first hollow cavity is provided with a water outlet which is communicated with a water outlet of an external water pump through a water outlet pipe, the water tank is provided with at least one water return port which is communicated with the water outlet of the external water pump through a water return pipe, the Nth hollow cavity is provided with a water return port, one hollow cavity in the middle of the water tank is provided with a cold water supplementing port. The multiple-cavity heat preservation water tank free of water mixing can basically avoid the phenomenon of mixing of cold water and hot water, improves the energy efficiency ratio and the heating capacity of a system, guarantees the hot water supply and the stability of outlet water temperature, adopts a sectional heating method, reaches a required temperature rapidly, and reduces power of equipment configuration and the size of the water tank.

Description

The not mixed water attemperater of a kind of Multicarity
Technical field
The present invention relates to the attemperater that a kind of storage type water heater (water heater) uses, the heat preservation storage water tank of the not mixed water of especially a kind of Multicarity.Main range of application is: various storage type water heater, water heater, particularly various heat pump water-heating machine (water heater), comprises air-source, water source, ground source heat pump hot water equipment.
Background technology
The hot water of hot water machine, water heater use generally have peak, low-valley interval point, in order to reduce power configuration and the cost of main process equipment, scarcely adopting Instant heating type, and adopting storage-type working method, therefore all will use heat preservation storage water tank.
Heat pump water-heating machine is the most energy-conservation in current all kinds of hot water machine, compares electric heater, and average energy saves the electricity of 75%, is therefore also with the fastest developing speed at present, the most promising product.
Hot water storage tank used by all kinds of storage-type electric water heater, hot water machine, the structure of its water tank, function and application mode directly have influence on performance and the energy consumption of whole equipment, especially existing cisten mechanism, operation principle between water tank and the hot main frame of pump are not enough to some extent, have impact on its performance, power consumption and cost.
The working method that present storage-type heat pump water-heating machine coordinates with water tank is roughly divided into two kinds:
The first water-mixing type list water tank mode: heat pump water-heating machine joins single water tank: water tank inside is single cavity, the in-built full water of cavity, water body is the little entirety of free-pouring, a variant position temperature difference, water tank has a cold water water supplement port and a hot water feed water inlet, feed water inlet releases how much hot water, then water supplement port enters how much cold water.A: if circulating heat pump, the circulation water inlet that water tank also has the circulation be connected with heat pump main frame through water pipe to heat and a circulating outlet; A water circulating pump is had to make water body continuous circulation flowing between the heat exchanger and water tank of heat pump main frame, the heat that heat pump main frame produces is passed to the water body in water tank and water body is progressively heated up, when in water tank, water temperature reaches design temperature (being generally 50 ~ 60 DEG C), main frame quits work; When the water temperature in water tank is reduced to design temperature-return difference value (being generally 5 DEG C, adjustable), main frame restarts and heats; If design temperature is 55 DEG C, return difference is worth 5 DEG C, then in water tank, water temperature reaches 55 DEG C, main shut-down system, and during lower than 50 DEG C, main frame is again started shooting and heated.B: if the non-circulating type heat pump water-heating machine of water tank built-in heat exchanger, water tank has a cold water water supplement port and a hot water feed water inlet, there is built-in heat exchanger (condenser) in water tank simultaneously, general heat exchanger is arranged on the bottom of water tank, and it heats temperature control mode and is analogous to circulating heat pump: when main frame runs, the high-temperature gas refrigerant of compressor enters heat exchanger (condenser), during refrigerant condensation, heat is passed to the water in water tank, and water temperature is raised, and when reaching design temperature, main shut-down system; When water temperature drops to design temperature-return difference value, main frame operation of again starting shooting heats.
The second double water tank mode: heat pump water-heating machine joins a partial circulating water tank and a large storage tank (must be non-bearing type water tank): little water tank and the ratio of large water tank volume are generally 1:5 ~ 10, little water tank is furnished with moisturizing magnetic valve, the magnetic valve that draws water, draw water water pump, level sensor, large water tank is furnished with level sensor and booster water pump; During little water tank moisturizing, the water compensating valve on little water tank is opened, and water pumping valve is closed, the water pump that draws water is stopped transport, and moisturizing has been expired, and water compensating valve is closed, main frame carries out circulating-heating to the water of little water tank, and water temperature reaches temperature, and heat pump main frame is out of service, water pumping valve is opened, and suction pump runs, and the hot water of little water tank is delivered to large water tank, when the hot water in little water tank exhausts, suction pump is stopped transport, and water pumping valve is closed, water compensating valve opens moisturizing again, enters the subsequent work cycle; Circulation continuous operation like this, until when large storage tank water is full, heat pump main frame is out of service; Large water storage tank water level drops to certain position, and system roll-back heats.
The first water-mixing type list water tank fairly simple, also widely uses the most, but hot water can be very poor for amount little (when especially moisturizing temperature is lower), water temperature stability and Energy Efficiency Ratio.Its major defect 1: the hot water using the water tank capacity of more than 1/3 at short notice, water temperature can decline rapidly.Because the water in water tank is full all the time, so release how much hot water, namely supplement how much cold water, hot and cold water can mix, and releases more hot water in the short time, and namely the water temperature in water tank is significantly less than design temperature, can not meet the water temperature requirement of use.Be 55 DEG C as set hot water temperature, water inlet cold water temperature is 10 DEG C, and release half hot water in the short time, in water tank, water temperature is below 40 DEG C, cannot continue normal use; I.e. one case full hot water reaching temperature, only employ the amount of part, water temperature just can not employ well below design temperature; When inflow temperature is lower, ensure the hot water supply of a certain quantity in the short time, water tank capacity must be more than 3 times of this quantity.Major defect 2: Energy Efficiency Ratio is low, heating capacity is little, and Equipments Setting power is large, and equipment works under being in the defective mode of high condensation temperature, high condensing pressure, large running current for a long time.Because its working method is that water temperature is reduced to design temperature-return difference value (being generally 5 DEG C), main frame restarts and heats; If design temperature is 55 DEG C, return difference is worth 5 DEG C, then in water tank, water temperature reaches 55 DEG C, main shut-down system, and during lower than 50 DEG C, main frame is again started shooting and heated; Therefore, very to equipment the most of the time heat the water of water temperature higher than 50 DEG C; And heat pump water-heating machine topmost characteristic is: water temperature is lower, the refrigerant condensing pressure of heat pump, evaporating pressure also lower, refrigerant height pressure reduction is less, Energy Efficiency Ratio is then higher, and heating capacity is larger simultaneously; Otherwise water temperature is higher, condensing pressure, the evaporating pressure of heat pump are also higher, and refrigerant height pressure reduction is larger, and Energy Efficiency Ratio is then lower, and heating capacity is less simultaneously; Therefore the working method of the first water-mixing type list water tank, makes the due energy-saving effect of Teat pump boiler have a greatly reduced quality, and simultaneously because main frame compressor works for a long time under high condensing pressure and large running current situation, can shorten equipment life.Under winter maximum conditions, be that the cool water heating of 100 liters of 5 DEG C is to design temperature 55 DEG C equally moisturizing temperature, the relatively effect of two kinds of water tank modes: double water tank mode: little water tank volume is 100 liters, equipment is warmed to 55 DEG C to 100 premium on currency gradually from 5 DEG C, and the water temperature mean value in heating operations is 30 DEG C; Water-mixing type list water tank mode: if water tank volume is 1000 liters, release 100 liters of 55 DEG C of hot water, fill into 100 liters of 5 DEG C of cold water, after mixed water, water temperature is about 50 DEG C, heat pump main frame is warmed to 55 DEG C to 1000 premium on currency gradually from 50 DEG C, and in heating operations, water temperature mean value is 52.5 DEG C.Two kinds of different modes, water temperature average value 22.5 DEG C, then double water tank mode should at more than 2:1 with the ratio of the final Energy Efficiency Ratio of water-mixing type list water tank mode, namely equally 100 premium on currency are warmed to 55 DEG C gradually from 5 DEG C, the energy consumption of double water tank mode is less than the half of the energy consumption of water-mixing type list water tank mode.Inflow temperature be 5 ~ 10 DEG C situation in the winter time time right and wrong usually see, and winter is that equipment running load is maximum, time operating mode is worst, the main frame of the first water-mixing type list water tank and the collocation mode of water tank and operation principle can have a strong impact on the result of use of heat-pump apparatus: increase power consumption, reduce heating capacity, reduce hot water supply, in use procedure, water temperature declines fast, and this phenomenon is particularly serious with air source heat pump again.The heat-pump apparatus of water-mixing type list water tank mode is as provided enough heating capacities in the winter time, only have by following means: one is add to join large power, electrically heater, so just reduce further Energy Efficiency Ratio, two is the allocating power or the number of units that increase heat pump main frame, which adds equipment investment cost.Heat pump main frame running time in winter and energy consumption account for annual more than 50% simultaneously, and its low-energy-efficiency is than will greatly have influence on annual general effect and the operating cost of equipment.Major defect 3: no matter actual use needs how much hot water, all must heat the water of FCL and reach Wen Caike use, cause the heating stand-by period long, and exhaustless hot water be gradually cooled as it passes through the cooler, and wastes energy.
Though the second double water tank structure can avoid 3 major defects of the first mixed water list water tank mode, there is Energy Efficiency Ratio and heating capacity is high, heat fireballing advantage, also have its weak point.Its major defect comprises: 1, add water tank number, suction pump, multiple magnetic valve, level sensor, connecting line, too increases cost and the construction volume of the complexity of system, the probability of fault and system.2, the water tank of this structure can not adopt bearing type water tank, and therefore for assure feed water hydraulic pressure must add booster pump, and to low power household heat pump water heater, configure two water tanks, it is improper and uneconomic for adding booster water pump.
Summary of the invention
The present invention is directed to the defect that prior art exists, the not mixed water heat preservation storage water tank of a kind of Multicarity is proposed, substantially can avoid the mixed water phenomenon of hot and cold water, ensure the stable of hot water effluent's temperature, ensure hot water supply, reduce water tank volume, the Energy Efficiency Ratio of raising system and heating capacity, reduce device Host allocating power or number of units, reduces operating cost and equipment investment cost, reach the higher leaving water temperature upper limit, Quick is for reaching warm water.
For this reason, the present invention takes following technical scheme: the not mixed water heat preservation storage water tank of a kind of Multicarity, the temp probe comprising thermal-insulating body, cold water water supplement port, hot water feed water inlet and be arranged in thermal-insulating body, it is characterized in that: the inside of thermal-insulating body is by N number of individual cavities of several baffle for separatings Cheng Cong 1 to the N, and N is natural number; Each cavity has water hole, is connected with one or two cavity adjacent; The water hole of the 1st cavity, is only connected with the 2nd cavity; The water hole of N cavity, is only connected with N-1 cavity; Except the 1st except only a cavity adjacent with is connected respectively with N two cavitys, other each cavity by water hole, respectively with adjacent last cavity and a rear cavity totally two cavitys be connected; Water tank Inner Constitution from the 1st cavity to N cavity, each cavity is connected successively, the water-flowing path that is communicated with each cavity; Water tank is provided with the water return outlet being no less than, the external return pipe of water return outlet, and return pipe is connected with outer pumping line; N cavity is provided with hot water feed water inlet and a water return outlet; 1st cavity is provided with a delivery port, and delivery port picks out water pipe, and outlet pipe is connected with outer pump intake; A wherein cavity between the 1st and N cavity there is a cold water water supplement port.
If hot water machine is circulation hot pump hot water machine, then described outer water pump is the water circulating pump of heat pump water-heating machine, circulating water flow according to this from water outlet of water tank to heat pump main frame water inlet to heat pump main frame delivery port again to water container backwater mouth.Except the water return outlet at N cavity is as except the first water return outlet, the M cavity being positioned at the first cavity follow-up also arranges the second water return outlet, M < N, the first described water return outlet is connected with the outlet pipe of heat pump main frame through a three-way magnetic valve by each self-corresponding return pipe with the second water return outlet again; Cold water water supplement port is located at M+1 cavity; When main frame circulation heats, by controlling three-way magnetic valve, turn off the first water return outlet, conducting second water return outlet, make to only have the water body between the first cavity to M cavity to be heated, after the water temperature of the outlet pipe of heat pump main frame reaches design temperature, switching solenoid valve, to warm water be reached be delivered to by the first water return outlet N cavity and the adjacent cavities of side, feed water inlet, simultaneously M+1 cavity and follow-up cavity water body flow into M cavity to the 1st cavity.
As the heat pump water-heating machine that hot water machine is water tank built-in heat exchanger, except heat exchanger being arranged on the first cavity of water tank except M cavity, other configures, structure is all identical with circulation hot pump hot water machine with working method.
If hot water machine is electric water heating machine, electric heating tube is arranged on the first cavity of water tank to M cavity, water inlet is at M+1 cavity, and feed water inlet at N cavity, and determines establish and do not establish the second water return outlet and the second return pipe according to the installation situation of electric heating tube.
As preferably, described N >=10, M is about N/4.
Described dividing plate has at least two mutually to intersect.
Several described dividing plates or barrier film be arranged in parallel, and dividing plate or barrier film quantity are not less than 6; The side of each dividing plate is having water hole near inner water tank wall place, and from the vertical direction of dividing plate, the water hole on two adjacent dividing plates lays respectively at two sides of the right opposite of cavity.
Described water hole cross-sectional area is greater than the cross-sectional area of cold water water supplement port and hot water feed water inlet.
Described dividing plate is fexible film.
Described water tank is press-bearing water tank.
Described water tank is non-pressure water tank, is wherein provided with water-level probe or ball-cock assembly.
Described dividing plate is made up of plastic material PPR.
Described dividing plate is made up of stainless steel.
Beneficial effect of the present invention:
Water tank of the present invention is applied to circulating heat pump, and its major advantage is:
1, water-mixing type list water tank is compared, the minimizing hot and cold water of high degree mixes the degree of water (depending on the number of dividing plate number, the mixed water degree of 70%-95% can be reduced): A: when water body is static, dividing plate is isolated in water body in each cavity, makes it to flow freely mixing, and the thermal conductivity factor of water is less, it is the non-conductor of heat, add the isolation of upper spacer, the heat conduction of the water body between different cavity is little, and the heat exchange comparing convection current mixing generation can be ignored.B: except water circulating pump leaving water temperature reach temperature time, first return pipe can be switched on, water body between 1st cavity to M cavity is transported to N cavity by water pump, and have water body to flow into outside M cavity to the 1st cavity according to this from M+1 cavity, other times first return pipe is all turned off simultaneously; When the first return pipe is turned off, then the 1st cavity forms a semi-enclosed space to M cavity and outer water pump and circulating water pipe, and unique passage of outside is the water hole between M cavity and M+1 cavity, when this semi-enclosed space is full of water body, then water body does not pass in and out by the water hole between M cavity and M+1 cavity; Therefore, when the hot water in water tank is from feed water inlet outward supplying heat water, when cold water flows into from the water supplement port of M+1 cavity, cold water can enter M+1 cavity and the follow-up cavity flow direction, feed water inlet to N cavity according to this, and can not enter M cavity to the 1st cavity; Equally when the 1st cavity is recycled heating to the water body of M cavity, also can not flow out by the water hole passed through between M cavity and M+1 cavity.C: from M+1 cavity to N cavity except hot and cold water transition region have 1-2 cavity hot and cold water mixability comparatively large except, the hot and cold water of the cavity before and after transition region is isolated, keeps moisturizing cold water temperature respectively and reaches the state of warm water's temperature.This ensure that under all operating modes, hot and cold water does not all mix, hot water effluent's temperature does not decline and water heating has been fully utilized; Therefore compare water-mixing type list water tank, increase considerably the supply of hot water or reduce the volume of water tank.
2, water-mixing type list water tank is compared, the Energy Efficiency Ratio of raising system and heating capacity, save operating cost and equipment investment volume: the present invention only has the participation of the water body between the 1st cavity to M cavity circulation to heat when heating, and progressively heat up from the low temperature close to moisturizing and arrive temperature, the cold water filled into from M+1 cavity can not mix with the hot water and the water heated that circulating reaching temperature, the low-temperature cold water avoiding water-mixing type water tank is mixed into and reaches warm water and heat, by the situation that the average temperature that heats is high; Because in circulation heating operations, average temperature is low, the mean value of the condensing pressure of refrigerant in heating process, evaporating pressure, high-low pressure difference is significantly reduced; The reduction of high-low pressure difference, bring the raising of Energy Efficiency Ratio and the increase of system refrigerant circulation, the increase of refrigerant circulation and the reduction of evaporating pressure, bring the increase of heating capacity; Thus significantly improve Energy Efficiency Ratio and heating capacity, the allocating power decreasing heat pump main frame or the number of units of equipment.Especially in the winter time the hot and cold water temperature difference is maximum, and load is maximum, and the adverse effect of water-mixing type water tank is maximum, and advantage of the present invention also plays the most abundant, significantly can improve the undesirable present situation of air source heat pump heating effect in winter.The configuration of heat pump main engine power, by maximum load configuration in winter, is analyzed and experiment test by above, and the present invention can reduce the main engine power configuration of about about 30% or corresponding number of units than water-mixing type list water tank mode.
3, compare water-mixing type list water tank and double water tank application mode: the present invention has following function: reach same hot water design temperature, only need the highest relatively low refrigerant condensation temperature; The highest identical refrigerant condensation temperature, can reach higher hot water design temperature.In circulation heating operations, the leaving water temperature of heat pump main frame and backwater (water inlet) temperature have a difference, different according to pump capacity, environment temperature and water temperature, scope between 3-12 DEG C, average out to 6 DEG C; Water temperature in conventional heat pump hot water machine water tank is the return water temperature (inflow temperature) of heat pump main frame, and the water temperature therefore in water tank is when reaching design temperature, and the leaving water temperature of heat pump main frame is higher than design temperature 6 DEG C; And use the heat pump main frame maximum water temperature of water tank of the present invention to be design temperature.Therefore can improve Energy Efficiency Ratio, reduce the highest condensing pressure or improve the design temperature upper limit, and under the highest identical condensing pressure condition, the design temperature upper limit of hot water can be made to improve 6 DEG C, be a great improvement to the performance of heat pump main frame.
4: can need only to produce part but not FCL hot water according to water consumption, reach Quick for reaching warm water, shortening stand-by period and energy-conservation object: if only need a small amount of hot water and do not need whole tank hot water, then only need produce a small amount of hot water of part, make to have in several cavitys of side, feed water inlet the hot water of the enough uses reaching temperature, shorten and heat and the stand-by period, save the energy.
5: the phenomenon avoiding double water tank mode main frame frequent start-stop machine in the course of the work.
6: reduce by 1 water tank than double water tank mode.
7: can be used for bearing type water tank, save booster water pump.
Water tank of the present invention is applied to the heat pump water-heating machine of water tank built-in heat exchanger, and its advantage is basic with above-mentioned circulating heat pump roughly the same; Avoid the water body phase heat exchanger of the heat pump water-heating machine of existing water tank built-in heat exchanger without flowing, the phenomenon that heat transfer effect is poor, Energy Efficiency Ratio is low simultaneously.
Water tank of the present invention is applied on electric heater, and major advantage ensures not mix water, ensure that the stable of leaving water temperature, part but not whole box water can heat, reaches fast energy-saving effect.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the another kind of structural representation of the present invention.
Fig. 3 is the perspective view of water tank in Fig. 2.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, set forth technical scheme of the present invention further.
Embodiment 1: the concrete structure of the present invention on circulation hot pump hot water machine and the course of work:
The not mixed water attemperater of Multicarity as shown in Figure 1, the temp probe comprising thermal-insulating body 1, cold water water supplement port 4, hot water feed water inlet 10 and be arranged in thermal-insulating body 1, the inside of thermal-insulating body 1 is isolated into the N number of cavity from the 1 to the N by multiple dividing plate 2, and N is that natural number is not less than 8; The water hole 3 of the 1st cavity, be only connected with the 2nd cavity, the 1st cavity is provided with a delivery port 5, and delivery port 5 picks out water pipe 8, and outlet pipe 8 is connected with outer water pump 12 water inlet; The water hole 3 of N cavity, be only connected with N-1 cavity, N cavity is provided with hot water feed water inlet 10 and the first water return outlet 6; Be provided with the second water return outlet 7, M < N at M cavity, and M span is N/5 ~ N/3; First water return outlet 6 is connected with the outlet pipe of heat pump main frame through a three-way magnetic valve 11 by each self-corresponding return pipe 9 with the second water return outlet 7 again; Cold water water supplement port 4 is located at M+1 cavity; Except the 1st to be only connected with an adjacent cavities respectively with N two cavitys except, other each cavity, by water hole, is connected with a rear cavity with adjacent last cavity respectively; Water tank Inner Constitution from the 1st cavity to N cavity, each cavity is connected successively, the water-flowing path that is communicated with each cavity.
As preferably, the multiple dividing plate in water tank or barrier film, for be arrangeding in parallel, are not less than 6; The side of each dividing plate was having aquaporin near inner water tank wall place, and from the vertical direction of dividing plate, the aquaporin excessively on two adjacent dividing plates lays respectively at two sides of the right opposite of cavity.Delivery port went up the side, opposite of aquaporin at the dividing plate (the 1st dividing plate) of this cavity; Water return outlet went up the right opposite side of aquaporin at the dividing plate (N dividing plate) of this cavity.
As shown in Figures 2 and 3, preferred as another kind of cisten mechanism, the dividing plate in water tank wherein has at least two to be cross one another.Or all dividing plates are arranged in a crossed manner, farthest can optimize the space in water tank, go out as far as possible many individual cavities with minimum baffle for separating.
The course of work of water tank of the present invention on circulation hot pump hot water machine is as follows: A: when under the state that whole water tank is all cold water, three-way magnetic valve closes the first return pipe, conducting second return pipe, water circulating pump runs, heat pump main frame is opened and is heated, water in 1 to the M cavity progressively heats up, and the water body in other cavitys does not participate in heating, water temperature can not raise, when main frame water outlet (water container backwater) reaches design temperature, three-way magnetic valve switches, conducting first return pipe, close the second return pipe, hot water in 1 to the M cavity is pumped to N cavity, and flow into N-1 step by step, N-2 cavity N, N-1, cold water in N-2 cavity is extruded, the cold water of M+1 cavity and follow-up cavity flows into M successively to the 1st cavity, after a period of time, declining appears in main frame leaving water temperature, when dropping to design temperature-return difference value (10 DEG C, adjustable) time, three-way magnetic valve switches again, close the first return pipe, conducting second return pipe, start the heating operations of next circulation.Go round and begin again, when main frame water outlet (water container backwater) reaches design temperature, and the water temperature of M+1 cavity and follow-up cavity reaches certain imposes a condition (as M+4 cavity water temperature > moisturizing temperature+10 DEG C, adjustable) time, main frame is out of service, water major part now in state table open fire case is all reach warm water, and the cold water deficiency of M+1 cavity and follow-up cavity is full of the 1 to the M cavity; When the continuous export-oriented supplying hot water in the feed water inlet on N cavity, cold water constantly fills into from M+1 cavity and flows to follow-up cavity, and during M+4 cavity water temperature≤moisturizing temperature+10 DEG C, host-initiated heats.
B: under the state that whole water tank is all hot water, when water tank outward supplying heat water, cold water fills into from M+1 cavity, and progressively flow into the follow-up cavitys such as M+2, impose a condition (as M+4 cavity water temperature≤moisturizing temperature+10 DEG C when the water temperature of M+1 and follow-up cavity reaches certain, adjustable) time, three-way magnetic valve closes the second return pipe, conducting first return pipe, host-initiated heats, water pump operation, pumps into N cavity the hot water in the 1 to the M cavity, and the cold water now in M+1 and follow-up cavity flows into M according to this to the 1st cavity; When main frame leaving water temperature drops to design temperature-return difference value (10 DEG C, adjustable), three-way magnetic valve switches, and conducting second return pipe, closes the first return pipe, carries out circulation heat the water in the 1 to the M cavity; When main frame water outlet (water container backwater) reaches design temperature, and M+4 cavity water temperature > moisturizing temperature+10 DEG C, main frame is out of service; When main frame water outlet (water container backwater) reaches design temperature, and M+4 cavity water temperature≤moisturizing temperature+10 DEG C, three-way magnetic valve switches, and conducting first return pipe, closes the second return pipe, and the hot water in the 1 to the M cavity is pumped into N cavity, and main frame continues to run.
C: other state can by above 2 kinds of State reasonings.
When being full of water, the first return pipe closedown in water tank, no matter whether main frame runs, and the water body in the 1 to the M cavity all can not exchange with the water body of other cavity; Because water tank is the diagonally opposing corner that turnover water hole on multi-cavity structure, simultaneously cavity is installed in relative two walls of cavity, the cold water therefore filled into promotes hot water to side, feed water inlet Cavity Flow; The hot water pumping into N cavity equally promotes cold water and flows to the 1st cavity side, all the time be reach warm water in the several cavitys ensureing one end, feed water inlet in water tank, cold water is at opposite end, only have a few cavity of hot and cold water transition region to have hot and cold water to mix water phenomenon, the hot and cold water of other cavity can not mix; The heat temperature raising of water body realizes all the time between the 1 to the 4 cavity simultaneously, and rises to design temperature gradually from low water temperature, and in heating process, average temperature is lower, and heating capacity is large, and Energy Efficiency Ratio is high.
Embodiment 2: the concrete structure of the present invention on the heat pump water-heating machine of water tank built-in heat exchanger and the course of work: cisten mechanism and the course of work are substantially substantially the same manner as Example 1: heat exchanger (condenser) is arranged between the 1 to the M cavity, water supplement port is at M+1 cavity, 1st cavity upper water-out mouth is connected with a small-power pump intake, N and M cavity arrange two water return outlets and corresponding return pipe respectively, and 2 return pipes are connected with pump outlet through a three-way magnetic valve.When heating, three-way magnetic valve makes the second return pipe conducting, first return pipe is closed, water pump operation, water body circulates intensification between the 1 to the M cavity, when main frame leaving water temperature reaches design temperature, and M+4 cavity water temperature > moisturizing temperature+10 DEG C (adjustable), main frame is out of service; When main frame water outlet reaches design temperature, and M+4 cavity water temperature≤moisturizing temperature+10 DEG C, main frame continues to run, and three-way magnetic valve switches, conducting first return pipe, close the second return pipe, the hot water in the 1 to the M cavity is pumped into N cavity, the low temperature water body of M+1 and follow-up cavity flow into M to the 1st cavity, when water pump water outlet temperature drops to design temperature-return difference value (10 DEG C, adjustable), three-way magnetic valve switches, and enters next and heats circulation.
Embodiment 3: the concrete structure of the present invention on electric heater and the course of work: water tank is except except the cold water water supplement port of M+1 cavity and the hot water feed water inlet of N main frame, on water tank, the 1st cavity has 1 delivery port, N cavity has 1 water return outlet, have a small-power water pump between delivery port and water return outlet, electric heating tube is between the 1 to the M cavity.As the 1st cavity in cavity volume ratio, electric heater is installed to each cavity of M cavity time, then do not establish the second water return outlet, during heating, water pump does not run, and between the 1 to the M cavity, the mean temperature of water body reaches temperature, and water pump operation, will reach warm water and pump into N cavity; Water pump water outlet temperature drops to design temperature (70 ~ 80 DEG C)-return difference value (15 DEG C, adjustable), and water pump is out of service, so circulates; When whole Water in Water Tank reaches temperature, electric heating tube stops heating, and water pump is stopped transport.If the 1st cavity is not each cavity mounting heater to M cavity, then need establish the second water return outlet at M cavity, two water return outlets are connected with pump outlet through a three-way magnetic valve, during heating, turn off the first water return outlet, conducting second water return outlet, water pump operation, between the 1 to the M cavity, the mean temperature of water body reaches temperature, three-way magnetic valve switches, conducting first return pipe, close the second return pipe, warm water will be reached and pump into N cavity, the water body of M+1 and follow-up cavity flow into M to the 1st cavity, as water pump water outlet temperature drops to design temperature-return difference value (15 DEG C, adjustable), three-way magnetic valve switches, enter next and heat circulation.As whole box water all reaches temperature, electric heater stops heating, and water pump is stopped transport.

Claims (9)

1. the mixed water attemperater of Multicarity, comprise tank box, cold water water supplement port and hot water feed water inlet, temp probe, is characterized in that: the inside of thermal-insulating body is separated into the N number of individual cavities from the 1 to the N by some dividing plates or barrier film, and N is natural number; Each cavity has water hole to be connected with adjacent cavities; The water hole of the 1st cavity is only connected with the 2nd cavity; The water hole of N cavity is only connected with N-1 cavity; Except the 1st and N two cavitys, the water hole on other each cavity, is connected with a rear cavity with adjacent last cavity respectively; Water-flowing path that water tank Inner Constitution is connected from the 1st cavity successively to N cavity, each cavity, that be communicated with each cavity; 1st cavity is provided with a delivery port, and delivery port picks out water pipe, and outlet pipe is connected with outer pump intake; Water tank is provided with the water return outlet being no less than, external return pipe, and return pipe is connected with pump outlet; N cavity is provided with a water return outlet; N cavity is provided with hot water feed water inlet; A certain cavity between the 1st and N cavity there is a cold water water supplement port; Described water tank has two water return outlets, and except described water return outlet position is at N cavity, separately the mouth of a river is located on the M cavity between the 1st to N cavity once; Two all external return pipes of water return outlet, two return pipes are connected with the outlet pipe of water pump through a triple valve; Cold water water supplement port is arranged on M+1 cavity; As the 1st cavity to each cavity of M cavity in cavity volume ratio install electric heater time, then do not establish the second water return outlet.
2. the not mixed water attemperater of a kind of Multicarity according to claim 1, is characterized in that: the dividing plate in water tank wherein has at least two to be cross one another.
3. the not mixed water attemperater of a kind of Multicarity according to claim 1, is characterized in that: the every block dividing plate in water tank all intersects mutually with other dividing plate.
4. the not mixed water attemperater of a kind of Multicarity according to claim 1, it is characterized in that several described dividing plates or barrier film be arranged in parallel, dividing plate or barrier film quantity are not less than 6; The side of each dividing plate is having water hole near inner water tank wall place, and from the vertical direction of dividing plate, the water hole on two adjacent dividing plates lays respectively at two sides of the right opposite of cavity.
5. the not mixed water attemperater of a kind of Multicarity according to claim 4, is characterized in that: described water hole cross-sectional area is greater than the cross-sectional area of cold water water supplement port and hot water feed water inlet.
6. the not mixed water attemperater of a kind of Multicarity according to claim 1, is characterized in that: described water tank is press-bearing water tank.
7. the not mixed water attemperater of a kind of Multicarity according to claim 1, is characterized in that: described water tank is non-pressure water tank, is wherein provided with water-level probe or ball-cock assembly.
8. the not mixed water attemperater of a kind of Multicarity according to claim 1, is characterized in that: described dividing plate is made up of plastic material PPR.
9. the not mixed water attemperater of a kind of Multicarity according to claim 1, is characterized in that: described dividing plate is made up of corrosion resistant metal material.
CN201310087593.5A 2013-03-18 2013-03-18 Multiple-cavity heat preservation water tank free of water mixing CN103134186B (en)

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CN104359217B (en) * 2014-11-06 2017-05-31 张谦 Water heater
CN104739244B (en) * 2015-04-10 2017-05-10 佛山市美的清湖净水设备有限公司 Flow dividing plate and cold tank for water dispenser and water dispenser
CN104739245B (en) * 2015-04-10 2017-05-10 佛山市美的清湖净水设备有限公司 Flow dividing plate and cold tank for water dispenser and water dispenser
CN105823216A (en) * 2016-04-11 2016-08-03 珠海格力电器股份有限公司 Water storage tank, circulating heat pump water heater, and heating method
CN107796040B (en) * 2017-01-20 2020-04-03 湖南大学 Layered water inlet control method for heat storage water tank of solar water heating system
CN110906553A (en) * 2019-10-30 2020-03-24 广东纽恩泰新能源科技发展有限公司 Quick heating water tank for air energy heat pump water heater

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CN203274253U (en) * 2013-03-18 2013-11-06 郏松筠 Multi-cavity heat preservation water tank capable of not mixing hot water and cold water

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Publication number Priority date Publication date Assignee Title
CN1699885A (en) * 2005-06-17 2005-11-23 李晨 Electric water heater
JP2007139201A (en) * 2005-11-14 2007-06-07 Corona Corp Hot water storage type water heater
CN201779746U (en) * 2010-02-01 2011-03-30 中山市爱美泰电器有限公司 Double thermal effect water heating system with two water tanks
CN202547102U (en) * 2012-02-14 2012-11-21 华北电力大学 Double-mode intelligent constant temperature water-mix device used in bathroom
CN203274253U (en) * 2013-03-18 2013-11-06 郏松筠 Multi-cavity heat preservation water tank capable of not mixing hot water and cold water

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Patentee before: Jia Songjun