CN206018791U

CN206018791U - Low valley power storage heating plant

Info

Publication number: CN206018791U
Application number: CN201621020088.4U
Authority: CN
Inventors: 麻玉华
Original assignee: Tianjin Energy Saving Technology Co Ltd
Current assignee: Tianjin Energy Saving Technology Co Ltd
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2017-03-15
Anticipated expiration: 2026-08-31

Abstract

A kind of low valley power storage heating plant, the device include：1) regenerative apparatus casing or housing (1), 2) center accumulation of heat component, it includes upper water distributor (2), lower water-dispensing device (4) and the array arranged by multiple heat accumulating elements (3) or the duplexer that are arranged between upper water distributor (2) and lower water-dispensing device (4), 3) the first coil pipe (such as heat supply water coil) (5) being looped around around center accumulation of heat component, 4) second coil pipe (such as heating coil pipe) (6) of the first coil pipe (such as heat supply water coil) (5) periphery is looped around, 5) secondary cavity in an outside of regenerative apparatus casing (1) is located at, with 6) install in the secondary cavity with the electric heater unit (8) to electrical heating elements (7) that casing interior circulation water is heated.

Description

Low valley power storage heating plant

Technical field

This utility model is related to low valley power storage heating plant, belongs to heating of house, provides hot water, reduces cost of use Energy saving and environment friendly field.

Background technology

To indoor heating, provide hot water during, " thermal source " be from what come, how to make good use of be key issue it One, respectively skilled worker constantly studies always in the industry for a long time, and the consideration of multi-angle from many aspects, fully sharp for various energy With some utilization wind energies, the utilization solar energy having respectively have pluses and minuses, and this utility model is heat to be stored up using evening trough-electricity Use on daytime is stored away, is possessed efficient, cleaning, safety, accumulation of heat, heat supply function, is explained below trough-electricity heat storage technology State.

CN203518237U discloses one kind without inner bag high density energy storage type electric heating life water device, it is characterized in that：Outside Filling heat insulating wall between shell and the heat radiating metal fin that is welded on phase-transition heat-storage housing；In phase-transition heat-storage housing, heat conduction gold Category fin is concurrently vertically through on heating muff, is put in the distribution of 3 row, 4 row, u words is distributed between row and between fin and housing snakelike Bronze pan tube, and connection is walked with c type elbows, running water inlet is done at one, the two ends of coil pipe, and another does hot water outlet, imports and exports Between be parallel with supply water temperature regulating valve；The two ends of heating muff pass through and are welded on the left and right sides metal of phase-transition heat-storage housing On plate, the cavity of formation is full of phase change heat storage material, arranges temperature sensor in the middle part of which；Electric heating tube is through in heating muff, Electrically connected with time-temperature controller by wire；The plate outer side welding metal bracing frame of phase-transition heat-storage housing.

CN203517963U discloses a kind of family formula phase-transformation heat-storage electric heating apparatus, between shell and phase-transition heat-storage housing (in addition to heat radiating metal fin is taken up space) filling heat insulating wall；In phase-transition heat-storage housing, heat-conducting metal fin is concurrently vertical It is through on heating muff, the two ends of heating muff pass through and are welded on the left and right sides metallic plate of phase-transition heat-storage housing, is formed Cavity be full of phase change heat storage material, in the middle part of which arrange temperature sensor；Electric heating tube is through in heating muff, by wire with Time-temperature controller is electrically connected；The plate outer side welding metal bracing frame of phase-transition heat-storage housing, installs movable pulley under bracing frame； Wall hanging brace rod is welded on the outside of phase-transition heat-storage housing back plate, wall hanging hole is set on wall hanging brace rod.

CN203549989U discloses a kind of high density phase change heat storage electric heating air-conditioning, it is characterized in that, inside the shell 10mm thick insulation layers are pasted, front upper place sets adjustable air outlet, and middle part sets fixed BAIYE air inlet；In phase-transition heat-storage housing Interior, heat-conducting metal fin is concurrently vertically through on heating muff, is put in the distribution of 3 row, 4 row, is distributed between row and between fin and housing There is the snakelike bronze pan tube of u words, and connection is walked with c type elbows, the two ends of coil pipe are connected with the two ends of heat-pipe radiator respectively, storing Volute of blower and axial-flow centrifugal fan is set between hot body and heat-pipe radiator；The two ends of heating muff pass through and are welded on phase transformation storage On the left and right sides metallic plate of hot housing, the cavity of formation is full of phase change heat storage material, arranges temperature sensor in the middle part of which：Electricity adds Heat pipe is through in heating muff, is electrically connected with time-temperature controller by wire；The plate outer side welding of phase-transition heat-storage housing Metal supporting frames.

CN203549985U discloses a kind of gerotor type layering heat storage container, it is characterised in that heat storage container is provided with Multilayer Network Network conduit, arm is provided with multiple into and out of water hole, and every layer of house steward is equipped with outlet and water inlet outside heat storage container.Accumulation of heat Container is provided with conduit, and per layer sets one group of penstock and water output duct respectively.The house steward of the existing genesis analysis of every group of conduit, also has The arm of cross direction profiles, the conduit that vertical and horizontal are distributed form network-like.Every group of water inlet pipe is provided with and multiple downward goes out Water hole.Every group of exit branch is provided with multiple inlet openings upwards.

CN203464498U discloses a kind of Integral electric heating phase transformation heat-storage module, and it is protected by heat-insulation layer (1), metal Sheath (2), accumulation of heat cavity outer wall (3), phase change heat storage material (4), heat-conducting metal fin (5), electric heating tube (6), metallic conduit (7), adpting flange (8), time-temperature controller (9), temperature sensor (10) etc. constitute/it is characterized in that：Heat-insulation layer (1) is outward Side is provided with coat of metal (2), and interior survey sets metallic spacer (3) with accumulation of heat interlayer；Recuperation layer be metallic conduit (7) on the outside of with guarantor The cavity portion that warm layer inner metal sealing coat (3) constitute, includes the heat-conducting metal wing of phase change heat storage material (4) and regular arrangement Piece (5) and electric heating tube (6) etc.；Metal flange (8) is connected with by electric welding at the two ends of metallic conduit (7)；Which runs Time and temperature receive the control of time-temperature controller (9).

CN205262270U discloses a kind of packaged type heat energy storage device, including：Thermal-insulating body (1), accumulation of heat rod group (5), frequency conversion water circulating pump, heat exchange coil (4), heating distributer (3), heating distributor (2), temperature sensor, heat-conducting medium With mobile link seat, described thermal-insulating body (1) is the casing of sealing, it is characterised in that：Described accumulation of heat rod group (5) is located at guarantor In incubator body, simultaneously multilamellar is arranged in length and breadth, and each accumulation of heat rod is stainless steel tube container, and stainless steel tube two ends seal in which and are provided with phase transformation Heat-storing material, thermal-insulating body are full of heat-conducting medium, and the wherein side of thermal-insulating body is provided with heat exchange coil (4), and the two of heat exchange coil Hold one of them for water inlet (41), be located on the outside of casing through casing, be connected with running water pipe during use, another is water outlet Mouth (42), is located on the outside of casing through casing, is connected with hot-water supply system during use；The bottom of thermal-insulating body is provided with heating distribution Device (3), heating distributer are the steel pipe of a plurality of arranged in parallel, and two ends are provided with flange as the import and export of circulating hot water；Couveuse Heating distributor (2) is provided with the top of body, the structure of heating distributor is identical with heating distributer, two ends are provided with flange as following The import and export of ring hot water.Gap is provided between described accumulation of heat rod group (5) its stainless steel tube for arranging in length and breadth.Described heating Each steel pipe of allotter and heating distributor is provided with many rounds, and its hole is connected with heat-conducting medium.

However, the device of prior art is still unsatisfactory in terms of efficiency of utilization, operating characteristics and efficiency.Still Improvement in need, the aspect for optimizing.

Utility model content

In order to solve the problems, such as that efficiency of utilization is low and operating characteristics is poor, this utility model provides new accumulation of heat dress Put.

According to first embodiment of the present utility model, there is provided a kind of low valley power storage heating plant, i.e. trough-electricity store Thermal, the device include：

1) regenerative apparatus casing or housing,

2) center accumulation of heat component, it includes：Upper water distributor, lower water-dispensing device and it is arranged between upper water distributor and lower water-dispensing device By multiple heat accumulating elements arrange array or duplexer,

3) the first coil pipe (such as heat supply water coil) being looped around around center accumulation of heat component,

4) optional (that is, dispensable) is looped around the second coil pipe of the first coil pipe (such as heat supply water coil) periphery (such as heating coil pipe),

5) be located at regenerative apparatus casing outside with the electrical heating to electrical heating elements that casing interior circulation water is heated Device,

Wherein, the cooling water inlet or running water inlet of the first coil pipe (such as heat supply water coil) is located at regenerative apparatus casing The bottom in outside, the water inlet of the second coil pipe (such as heating coil pipe) also are located at the bottom in the outside of regenerative apparatus casing, and the The hot water outlet of one coil pipe (such as heat supply water coil) is located at the top in the outside of regenerative apparatus casing, and the second coil pipe (is for example supplied Hot coil) middle warm water outlet (such as heating service water outlet) also be located at regenerative apparatus casing outside top and via dress There is the pipeline communication of canned motor pump to outside heat utilization system (being for example communicated to the heating water system of outside), and

The hot water outlet of electric heater unit is connected to the water inlet of upper water distributor, the outlet of lower water-dispensing device via hot-water line Via the water inlet that the water pipe equipped with canned motor pump is connected to electric heater unit.

In this application, " optional " expression is with or without." casing " or " housing " has identical implication.

Preferably, above-mentioned low ebb electric heat-storage device has the secondary cavity in an outside for being located at regenerative apparatus casing, its Middle electric heater unit is located in the secondary cavity.

It is preferred that, the water inlet of upper water distributor, the outlet of lower water-dispensing device and for by the outlet of lower water-dispensing device with electricity The water pipe equipped with canned motor pump that the water inlet of heater is connected is all located in the secondary cavity.

It is preferred that, the running water inlet of the first coil pipe (such as heat supply water coil) and the second optional coil pipe (for example supply hot plate Pipe) water inlet, and the hot water outlet and optional the second coil pipe of the first coil pipe (such as heat supply water coil) (for example supply hot plate Pipe) middle warm water outlet (such as heating service water outlet)) be all located in secondary cavity.

According to second embodiment of the present utility model, there is provided a kind of low valley power storage heating plant, i.e. trough-electricity store Thermal, the device include：

1) regenerative apparatus casing or housing,

2) center accumulation of heat component, it include upper water distributor, lower water-dispensing device and are arranged between upper water distributor and lower water-dispensing device By multiple heat accumulating elements arrange array or duplexer,

4) second coil pipe (such as heating coil pipe) of the first coil pipe (such as heat supply water coil) periphery is looped around,

5) secondary cavity in an outside of regenerative apparatus casing is located at,

6) install in the secondary cavity with the electric heater unit to electrical heating elements that casing interior circulation water is heated,

Wherein in secondary cavity：The hot water outlet of electric heater unit is connected to the water inlet of upper water distributor via hot-water line, The outlet of lower water-dispensing device is connected to the water inlet of electric heater unit via the water pipe equipped with canned motor pump.

In above two embodiment, it is preferred that regenerative apparatus casing, or the inner space of regenerative apparatus casing, It is rendered as length, height and the unequal cuboid of width.For regenerative apparatus casing, or the inside of regenerative apparatus casing is empty Between, its length is usually 1.2-5.5m, preferably 1.25-5.0m, more preferably 1.3-4.5m, more preferably 1.35-4m, more preferably 1.4-3.5m, more preferably 1.5-3m, such as 1.8m or 2.2m.In addition, for regenerative apparatus casing, or regenerative apparatus casing is interior Portion space, its width are usually 0.6-3.5m, preferably 0.65-3.2m, more preferably 0.7-2.8m, more preferably 0.75-2.5m, example Such as 0.8-2.2m, such as 1,1.12 or 1.5m.In addition, for regenerative apparatus casing, or the inner space of regenerative apparatus casing, it Height be usually 0.5-3.3m, preferably 0.6-3.0m, more preferably 0.65-2.7m, more preferably 0.7-2.6m, preferably 0.75- 2.2m, preferably 0.8-1.8m, such as 1.0 or 1.5m.

The pitch (or pitch) of the first coil pipe (such as heat supply water coil) or the second coil pipe (such as heating coil pipe) is each solely Vertical is 5-50cm, preferably 6-45cm, more preferably 7-40cm, more preferably 8-35cm, more preferably 9-30cm, preferably 10-20cm, for example 12cm or 15cm.

The height that spirals in casing for the first coil pipe (such as heat supply water coil) or the second coil pipe (such as heating coil pipe) Degree (difference in height between the peak of the i.e. first or second coil pipe and minimum point), usually empty than the inside of regenerative apparatus casing Between highly low 10-45cm, preferably 12-40, more preferably 13-35cm, preferably 15-30cm, preferably 18-25cm.It is preferred that, first Or second coil pipe typically using serpentine coil design.

In above two embodiment, it is preferred that upper water distributor includes parallel to each other two piece supervisor and is connected to Perforate direction parallel to each other between two supervisors multiple arms upwards.It is preferred that, the central shaft of supervisor and cabinet wall it Between spacing be generally 10-40cm, such as preferably 13-35cm, preferably 15-30,18cm or 20cm or 25cm.It is preferred that, positioned at master Spacing between the respective central shaft of two (lie farthest away) arms of pipe initiating terminal and end and cabinet wall is generally 7- 35cm, preferably 9-30cm, preferably 10-25, such as 15cm or 20cm.Preferably, upper water distributor and casing top (i.e. water tank Top) the distance between generally 15-50cm, preferably 18-45cm, preferably 20-40cm, preferably 23-35cm, such as 25cm, 28cm Or 32cm.Typically, the external diameter of supervisor be preferred 5-12cm, preferably 6-10cm, preferably 8-9cm.The external diameter of arm is generally 4- 8cm, preferably 4.5-7.5cm, preferably 4-6.5cm, such as 5cm or 6cm.It is preferred that, spray upwards is provided with the length direction of arm Water aperture, wherein with 3 apertures as one group, in each group, the hole center of each aperture is in or lies substantially on same straight line. It is preferred that, the angle (α) between same straight line and the axial line of arm in each group at the hole center of 3 apertures is generally 50-70 °, preferably 55-65 °, such as 60 °.Along the length direction of arm, the hole center of two medial small holes of two adjacent groups Spacing between (or hole center of two corresponding edge apertures of two adjacent groups) is generally 12-27cm, preferably 15-25cm, It is preferred that 17-23cm, such as 20cm.Typically, along the horizontal of arm, i.e., along the direction vertical with the length of arm, in each group Spacing between the hole center of two neighboring aperture is generally 1.2-2.7cm, preferably 1.5-2.5cm, preferably 1.7-2.3cm, Such as 2cm.(interior) diameter of each aperture is generally 0.7-1.3cm, preferably 0.8-1.2cm, preferably 0.9-1.1cm, Such as 1cm.Typically, the spacing between parallel adjacent arm is 12-27cm, preferably 15-25cm, preferably 17-23cm, such as 20cm.Typically, the spacing between two parallel supervisors is 60-350cm, and preferably 80-300cm, preferably 90-250cm are excellent Select 100-220cm, such as 120cm, 150cm or 200cm.

Upper water distributor has and for even heat to be distributed in topmost surface so that in casing the heat of aqueous medium or temperature from It is uniformly distributed and realizes uniform heating under above in a layered fashion；Improve efficiency of utilization.

In above two embodiment, it is preferred that lower water-dispensing device includes parallel to each other two piece supervisor and is connected to The downward multiple arms in perforate direction parallel to each other between two supervisors.It is preferred that, the central shaft of supervisor and cabinet wall it Between spacing be generally 10-40cm, such as preferably 13-35cm, preferably 15-30,18cm or 20cm or 25cm.It is preferred that, positioned at master Spacing between the respective central shaft of two (lie farthest away) arms of pipe initiating terminal and end and cabinet wall is generally 7- 35cm, preferably 9-30cm, preferably 10-25, such as 15cm or 20cm.Preferably, lower water-dispensing device and box bottom (i.e. water tank bottom Portion) the distance between generally 15-50cm, preferably 18-45cm, preferably 20-40cm, preferably 23-35cm, such as 25cm, 28cm Or 32cm.Typically, the external diameter of supervisor be preferred 5-12cm, preferably 6-10cm, preferably 8-9cm.The external diameter of arm is generally 4- 8cm, preferably 4.5-7.5cm, preferably 4-6.5cm, such as 5cm or 6cm.It is preferred that, downward spray is provided with the length direction of arm Water aperture, wherein with 3 apertures as one group, in each group, the hole center of each aperture is in or lies substantially on same straight line. It is preferred that, the angle (α) between same straight line and the axial line of arm in each group at the hole center of 3 apertures is generally 50-70 °, preferably 55-65 °, such as 60 °.Along the length direction of arm, the hole center of two medial small holes of two adjacent groups Spacing between (or hole center of two corresponding edge apertures of two adjacent groups) is generally 12-27cm, preferably 15-25cm, It is preferred that 17-23cm, such as 20cm.Typically, along the horizontal of arm, i.e., along the direction vertical with the length of arm, in each group Spacing between the hole center of two neighboring aperture is generally 1.2-2.7cm, preferably 1.5-2.5cm, preferably 1.7-2.3cm, Such as 2cm.(interior) diameter of each aperture is generally 0.7-1.3cm, preferably 0.8-1.2cm, preferably 0.9-1.1cm, Such as 1cm.Typically, the spacing between parallel adjacent arm is 12-27cm, preferably 15-25cm, preferably 17-23cm, such as 20cm.Typically, the spacing between two parallel supervisors is 60-350cm, and preferably 80-300cm, preferably 90-250cm are excellent Select 100-220cm, such as 120cm, 150cm or 200cm.

Typically, the arm in upper water distributor or lower water-dispensing device has identical spacing.

Lower water layer temperature in casing can be kept being evenly distributed by lower water-dispensing device, be conducive to bottom minimum temperature Even heat is exported.Lower water-dispensing device and upper water distributor combine, and make the medium (i.e. water) of whole box house realize strict ladder Degree formula thermal stratification, prevents the string between hot water and cold water from mixing, significantly improves heating efficiency.

It is preferred that, the same straight line in the arm of upper water distributor in each group at the hole center of 3 apertures and lower water distribution Same straight line parallel or substantially parallel in the arm of device in each group at the hole center of 3 apertures.

Typically, upper water distributor and lower water-dispensing device have symmetrical or essentially or approximately symmetrical structure.Upper water distributor and/or Lower water-dispensing device has rectangle or rectangular shape.There can also be square shape.

Preferably, regenerative apparatus casing has external thermal insulation or external insulation layer.Protected using high density polyurethane foaming Warm layer, makes the heat loss of low ebb electric heat-storage device be reduced to less than 2%.

It is preferred that, heat accumulating element is the internal seal pipe equipped with phase change heat storage material or seal bar, i.e. internal equipped with phase transformation storage The tubular or rod heat accumulating element of hot material.

Heat accumulating element is preferably tubular or rod heat accumulating element.Phase-change heat accumulation element is by cylindrical shell, circular head, logical Road shading ring, phase change heat storage material are constituted.Wherein cylindrical shell, circular head, channel separation ring are by strong with certain support Spend and the good material of heat conductivility (such as steel) is made；Phase change heat storage material from phase transition temperature between 70-195 DEG C, and The heat of fusion material composition good higher than 2.0kj/kg.k, heat conductivility higher than 250kj/kg, specific heat capacity.Phase-change heat accumulation element 3 Length be usually 50-200cm, preferably 60-180cm, more preferably 70-150cm, more preferably 80-120cm, such as 90cm, 100cm.

The overall diameter of (tubular or rod) phase-change heat accumulation element is usually 8-45cm, preferably 10-40cm, more preferably 12- 35cm, more preferably 15-27cm, such as 18cm, 25cm.

Phase-change heat accumulation element shown in this utility model is placed in WATER AS FLOW MEDIUM, and element is in parallel arranged to form n-layer m row, constitutes phase transformation Heat accumulating element array.Each element surrounding is surrounded by WATER AS FLOW MEDIUM.N is 5-30, preferably 7-27, preferably 8-25, preferably 9-22, preferably 10-20, more preferably 12-18, more preferably 14-16.M is 4-25, preferably 5-22, preferably 6-20, preferably 7-18, preferably 8-16, more It is preferred that 9-15, more preferably 12-14.

Heat-accumulating process：When medium coolant-temperature gage is higher than the fusing point of the phase change heat storage material in phase-change heat accumulation element, phase transformation stores Hot material absorbs heat and starts ecto-entad thawing, and after all melting, phase change heat storage material is started to warm up, until being close to and reaching Medium coolant-temperature gage stops heat absorption, and heat-accumulating process is completed.

Exothermic process：When medium coolant-temperature gage is less than the fusing point of the phase change heat storage material in phase-change heat accumulation element, phase transformation stores Hot material release heat starts ecto-entad solidification, and after all solidifying, phase change heat storage material starts to lower the temperature, until being close to and reaching Medium coolant-temperature gage stops heat release, and exothermic process is completed.

Preferably, the array for being arranged by multiple heat accumulating elements or the arrangement mode of duplexer are：In upper water distributor Multiple tubular or rod heat accumulating element arrangement mode is divided into being arranged (i.e. n-layer m row) at many levels between lower water-dispensing device, Each layer is arranged by multiple tubular or rod heat accumulating element horizontal parallel, and then each layer is laminated.Form array or duplexer Or stacked body.Tubular or rod heat accumulating element is used as array or duplexer or the arrangement of stacked body form, array or duplexer or heap The height of stack is usually 0.4-2.5m, preferably 0.5-2.2m, more preferably 0.6-2.0m, more preferably 0.7-1.8m, such as 0.8, 1.0th, 1.2 or 1.5m.This depends highly on the height of the inner space of regenerative apparatus casing.

It is generally equivalent in the length of the application, the length of tubular or rod heat accumulating element or array or duplexer or stacked body About the same or slightly larger than upper and lower water-locator or length or width.Typically, width of array or duplexer or stacked body etc. In or about the same or slightly larger than upper and lower water-locator or width.The length direction or array of tubular or rod heat accumulating element or The length direction of duplexer or stacked body is identical with the length direction of casing.Or, the length side of tubular or rod heat accumulating element To or the length direction of array or duplexer or stacked body can also be perpendicular to the length direction of casing, now, in the length of casing Degree direction includes multiple arrays or duplexer or stacked body.

The cross section of tubular or rod heat accumulating element assumes circular, oval or rectangle.In addition, the first or second coil pipe Cross section assumes circular, oval or rectangle.

It is further preferred that between adjacent each tubular or rod heat accumulating element on same layer or neighbouring two-layer tubular Or have gap between rod heat accumulating element or have certain spacing.Typically, the gap of same layer or spacing, or neighbouring two The gap of layer or spacing, are 1.2-20cm independently of one another, preferably 1.8-15cm, preferably 2.3-10cm, such as 2.5-8cm, Such as 3,4,5 or 6cm.

For regenerative apparatus casing, or the inner space of regenerative apparatus casing, its height is usually 1.5-3.3m, preferably 1.8-3.0m, more preferably 2.0-2.7m, more preferably 2.3-2.6m, such as 2.4 or 2.5m.

In this application, the external diameter of the first coil pipe (such as heat supply water coil) is generally 6-30cm, preferably 9-26cm, preferably 12-23cm, more preferably 15-20cm, such as 16 or 18cm.Optionally, the external diameter of the second coil pipe (such as heating coil pipe) is 8- 40cm, preferably 10-35cm, preferably 12-30cm, more preferably 15-28cm, such as 18,20 or 25cm.

The melting range or melting range of phase change heat storage material is usually at 75-100 DEG C, preferably between 82-95 DEG C.When tubular Phase change heat storage material when medium coolant-temperature gage around heat accumulating element reaches 82 DEG C inside tubular heat accumulating element starts to melt, and reaches Melt when 95 DEG C completely, this is for turning admittedly liquid heat-accumulating process, otherwise is exothermic process, and in exothermic process, phase change heat storage material occurs Crystallization solidifies.By means of this reversible process, the thermal energy storage that low-valley interval is produced can be got up, discharge when needing Come, it has, and amount of stored heat is big, the feature of safety and stability.

The phase change heat storage material being sealed in tubular or rod heat accumulating element includes following components or there is consisting of：

A) barium hydroxide octahydrate [Ba (OH)₂·8H₂O]：72-88wt%, preferably 74-87wt%, preferably 78-85wt%；

B) dried barium hydroxide. [Ba (OH)₂·H₂O]：4-10wt%, preferably 4.5-8wt%, preferably 5-7wt%；

C) brium carbonate [BaCO₃]：0.5-3wt%, preferably 0.7-2.5wt%, preferably 0.9-2.0wt%；

D) water：1-5wt%, preferably 1.5-4.7wt%, preferably 2.0-4.0wt%, preferably 2.5-3.8wt%；

E) iron powder of granularity 5-10 μm：0.08-1wt%, preferably 0.10-0.8wt%, preferably 0.15-0.6wt%, preferably 0.18-0.4wt%；

F) six nitric hydrate cerium (III)：2.8-6wt%, preferably 3.0-5wt%, preferably 3.5-4.5wt%；With

G) six nitric hydrate europium (III)：2.2-5wt%, preferably 2.6-4.5wt%, preferably 3-4wt%.

The utility model people of the application had found by substantial amounts of experiment, by adding f) and g) two kinds of rare earth compounds, one Aspect significantly improves the ratio hot melt of heat-storing material, on the other hand, can significantly reduce the cubical expansivity of heat-storing material.For example when Phase change heat storage material is warming up to 90 DEG C from 50 DEG C, and the cubical expansivity of phase change heat storage material of the present utility model is less than 0.2%, excellent Choosing is less than 0.15%, more preferably less than 0.1%, is more preferably equal to 0.08% or even 0.05%.Relatively low coefficient of thermal expansion for It is very crucial for being sealed in the steel pipe of strip.

In device of the present utility model, the effect of electrical heating elements is：Heat can be provided a system to, low using night Paddy electricity, converts electrical energy into heat energy.

The effect of heating coil pipe is：Heating heat in regenerative apparatus passed to by heating coil pipe in pipe is supplied water In, provide the user heating water supply.

The effect of heat supply water coil is：Heat in regenerative apparatus is passed to by heat supply water coil in the water in pipe, To use for user's supplying hot water.

For electric heater unit or electrical heating unit body, it provides a heat to the electrical heating elements of hold over system and hands over The container for changing, compact practicality.

Lower water-dispensing device：The aqueous medium of (i.e. in casing) in container is uniformly input in entrance electric heater unit.

Aqueous medium enters upper water distributor after being heated, and enters in casing, lentamente, abreast flows from top to bottom afterwards, Finally aspirated by lower water-dispensing device, be again introduced in electric heater unit, realize circulating-heating process.

Preferably, low ebb electric heat-storage device is equipped with castor in bottom.This causes the movement of low ebb electric heat-storage device cleverer Living, light.

Canned motor pump is installed on pipeline so that system circulation is stable, transmission heat is fast, it is ensured that the quiet operation of low noise.

For canned motor pump used in this application, not special are required, can adopt well known in the prior art various The canned motor pump of model.

Preferably, the profile of low ebb electric heat-storage device is cuboid (or hexahedron).Wherein secondary cavity is located at the length One end of cube.In this application, for the outside dimension of low ebb electric heat-storage device is not specially required.Low for cuboid For paddy electricity regenerative apparatus, for example, its length is usually 1.5-7 rice, preferably 2-6 rice；Its height is usually 1-3.5 rice, Preferably 1.5-3 rice；Its width is usually 0.8-3 rice, preferably 1.2-2.5 rice.

The height correlation of the height typically with regenerative apparatus enclosure interior space of spiraling of heating coil pipe.The disk of heat supply water coil The general height correlation also with regenerative apparatus enclosure interior space of rotation height.The arrangement of tubular heat accumulating element, stacking height also with The height correlation in regenerative apparatus enclosure interior space.

For convenient transportation, it is preferred that the outside dimension of low ebb electric heat-storage device and haulage vehicle such as lorry, truck or The stowing dimensions of rolling stock are adapted.The profile of such as low ebb electric heat-storage device is similar to container.

Preferably, the heat of the water inlet of the running water inlet of heat supply water coil and heating coil pipe, and heat supply water coil The heating service water outlet of water out and heating coil pipe is all located in secondary cavity.

Preferably, the total interface of low ebb electric heat-storage device is by the way of clamping or nipple connection.

Preferably, operate for convenient transportation or for convenience, the total interface of low ebb electric heat-storage device is all located at low Same one end of paddy electricity regenerative apparatus or the same side.

Preferably, all parts for being contacted with water in the device in the application are more preferably adopted using stainless steel making 304 rustless steels.For example with 304 stainless-steel sheets or using 304 stainless-steel pipes.

In this application, stainless-steel pipe of the water-locator supervisor for diameter 8.9cm.Rustless steel steel of the arm for 5cm diameters Pipe.As shown in Figure 10, shut in supervisor h ports, it is possible to be welded on the inner surface of casing.To fix water-locator.Separately Outward, water-locator is fixed with stainless steel stent.When running into manhole or other obstacles, can be solved by the way of arm is shortened.Battle array Row or duplexer can be fixed using stainless steel stent or be installed.

This utility model also provides a kind of electrical heating, solar energy and phase-changing energy-storing heating plant combining heating system.It wraps Include：The outlet of foregoing regenerative apparatus, and solar thermal collector, wherein solar thermal collector connects via the 5th pipeline To the water inlet of the upper water distributor of regenerative apparatus, and the outlet of the lower water-dispensing device of regenerative apparatus is connected to too via the 6th pipeline The water inlet of positive energy heat collector.

Daytime, when public electric wire net is in peak of power consumption, by solar thermal collector (system) or other waste heat supply systems (such as the waste heat output system of steel plant) provides heat energy for regenerative apparatus.When public electric wire net is in low power consumption, completely by electricity The aqueous medium that heating system is come in the casing of heat storage device, provides heat energy for regenerative apparatus.

In the device of the application, the flow process of various pipelines is as described below：

One), the water in 1 (regenerative apparatus body) casing, is sucked by lower water-dispensing device, from the outlet of lower water-dispensing device out, Entered in electric heater unit by the import of electric heater unit (electrical heating unit body) after being pressurizeed by water pump, filled in electrical heating Put in (electrical heating unit body) and heated by being powered to heating element heater (electrical heating unit), after heating, 2a is exported to from 8b Interface is entered in upper water distributor, subsequently enters regenerative apparatus sheet in vivo, by heat accumulating element accumulation of heat.

Two), heating backwater is entered in low ebb electric heat-storage device body from 6a interfaces, absorbs heat by heating coil, from After outlet out, after water pump pressurization, the heating circulation system of outside is again introduced into.

Three), the pressure using tap water itself is allowed to enter regenerative apparatus sheet in vivo from tap water interface, by supplying hot water Coil pipe absorbs heat, out becomes domestic hot-water afterwards from outlet.

The utility model proposes low ebb electric heat-storage device, compare traditional energy accumulating technique, which is main following to change：

A1, from profile, outermost layer adopts 304 stainless-steel sheets, and the overall intensity of intensifier, because the device is to make For heating system thermal source, and it is larger to lay humidity in the air of space, common iron is corroded larger, and our heres are using stainless Steel steel plate, has prevented the generation of corrosion phenomenon, so as to be effectively protected the service life of inner member, extends single unit system Service life.

A2, outside employ polyurethane foamed thermal-insulating, and density is 35kg/m³, make the heat loss of whole device be reduced to 2% Hereinafter, the heat storage capacity of the device is improved, the thermal efficiency of low ebb regenerative apparatus is improve.

A3, control system adopt liquid crystal panel, automatic identification failure can protect, failure Chinese display, sound and light alarm, Low ebb electric heat-storage device and auxiliary device is protected using safety, inside set CPU using newest technical grade ARM32 bit processors, defeated Go out response faster, integrated level is high, peripheral cell is less, with good interference free performance, the input of multichannel high and low voltage switch amount, defeated Go out and analog input, make expanded application more flexible, section control between Intelligent time-sharing can achieve APP Based Intelligent Controls, compare general control Device is more energy efficient, more humane, it is ensured that system operation reliability.

Rustless steel electrical heating elements are set inside A4, device, with fast, safe and reliable, the long-lived feature of heating.

Inside A5, device using the spontaneous development of my company phase-change type heat accumulating element, with amount of stored heat big, accumulation of heat is stable, The characteristics of use cost lower security reliability etc..

1st, low ebb electric heat-storage device, the device include：

1) regenerative apparatus body：A heat storage container is provided, good looking appearance is generous；

2) upper water distributor：Hot water after heating is entered in container, is evenly distributed；

3) electrical heating elements：Heat can be provided a system to, using night trough-electricity, heat energy is converted electrical energy into；

4) heating coil pipe:Heat in regenerative apparatus is passed to by heating coil pipe in the heating water supply in pipe；

5) heat supply water coil：Heat in regenerative apparatus is passed to by heat supply water coil in the water in pipe, with heat supply Water is used；

6) electrical heating unit body：The container of a heat exchange, compact reality are provided to the electrical heating elements of hold over system With；

7) heat accumulating element：High density phase change heat storage element, starts to melt when medium coolant-temperature gage reaches 82 DEG C, during to 95 DEG C Melt completely, this is for turning admittedly liquid heat-accumulating process, otherwise is exothermic process；The thermal energy storage that low-valley interval is produced can be got up, Discharge when needing, with amount of stored heat is big, safety and stability feature；

8) lower water-dispensing device：Water is aspirated from casing, is delivered in electric heater unit, it is coordinated with upper water distributor, is made from electricity During the backwater flowed back in heater in casing is even into container or casing；

9) castor:Move low ebb electric heat-storage device more flexible, light；

10) external thermal insulation：Using high density polyurethane foamed heat insulating, the heat loss of low ebb electric heat-storage device is made to be reduced to 2% Below；

11) canned motor pump：After installing pump additional, system circulation is stable, and transmission heat is fast, it is ensured that the quiet operation of low noise.

The device body heat conduction medium is water, using electrical heating elements, electric energy is converted into heat energy, uses heat accumulating element Heat is stored, this device heat storage capacity is strong, non-environmental-pollution, maneuverability, automaticity height etc. have protrusion excellent Gesture.

This utility model is graded by electrical heating elements, phase-change heat accumulation element, heat-conducting medium, control unit and is constituted；System has Following characteristics：

1st, in regenerative apparatus casing, the temperature of aqueous medium keeps upper and lower uniform gradient distribution.Take efficiency or the heat of heat The efficiency for utilizing is significantly improved.

2nd, simple structure, conveniently moving, small volume, electrical heating speed are fast, amount of stored heat is big and the persistent period is long.

3rd, by the external whole day domestic hot-water supply of heat exchange coil, water quality is unaffected.

4th, using simple to operate, automatically and manually mode operation can achieve.

5th, heat accumulating element or heat-storing material are placed in seal casinghousing, using safety, corrosion-free, never degenerate, performance unattenuated.

6th, there is high heat exchange efficiency；

Trough-electricity can be utilized technically, using upper safe and reliable, practical, it is contemplated that have good city in future Field prospect.

In a word, the device is using trough-electricity, heat storage capacity strong, non-environmental-pollution, maneuverability, automaticity height etc. There is outstanding advantage.

Description of the drawings

Fig. 1 is the schematic top plan view of low ebb electric heat-storage device of the present utility model.

Fig. 2 is the plane of low ebb electric heat-storage device of the present utility model, generalized section (along the line C-C of Fig. 1).

Fig. 3 is the plane along line A-A of low ebb electric heat-storage device of the present utility model, generalized section.

Fig. 4 is the plane along line B-B of low ebb electric heat-storage device of the present utility model, generalized section.

Fig. 5 is the structural representation of upper water distributor of the present utility model 2.

Fig. 6 is the partial enlarged drawing of Fig. 5.

Fig. 7 is the structural representation of upper water distributor of the present utility model 2.

Fig. 8 is the structural representation of lower water-dispensing device of the present utility model 4.

Fig. 9 is the structural representation of upper water distributor of the present utility model 2 and the combination of lower water-dispensing device 4.

Figure 10 is the structure sketch map of upper water distributor of the present utility model 2 or lower water-dispensing device 4.

Figure 11 is the structural representation of rectangular upper water distributor 2 of the present utility model.

Figure 12 is the structural representation of rectangular lower water-dispensing device 4 of the present utility model.

Figure 13 be the low ebb electric heat-storage device for having external pipe L5 and L6 of the present utility model the plane along line B-B, Generalized section.

Figure 14 is the signal of electrical heating of the present utility model, solar energy and phase-changing energy-storing heating plant combining heating system Figure.

Figure 15 is the structural representation of phase-change heat accumulation element.

In accompanying drawing, the unit of size is mm.Unless otherwise stated.

Reference

1：Low ebb electric heat-storage device body or casing；2：Upper water distributor；2a：The water inlet of upper water distributor；201a or 201b： The supervisor of upper water distributor；202：The arm of upper water distributor；3：Heat accumulating element；301：Cylindrical shell；302：Circular head；303： Channel separation ring；304：Phase change heat storage material；4：Lower water-dispensing device；4a：The outlet of lower water-dispensing device；401a or 401b：Lower water distribution The supervisor of device；402：The arm of lower water-dispensing device；5：First coil pipe；5a：The water inlet of the first coil pipe；5b：The water outlet of the first coil pipe Mouthful；6：Second coil pipe；6a：The water inlet of the second coil pipe；6b：The outlet of the second coil pipe；7：Electrical heating elements；8:Electrical heating is filled Put；8a：The water inlet of electric heater unit (8)；8b：The outlet of electric heater unit (8)；9：Canned motor pump；10：External thermal insulation；11： Castor；12：Connect distribution box；13：Water tank upper strata；14：Water tank bottom.L1, L2, L3, L4, L5 and L6：Water pipe.L7：Running water pipe. V1、V2：Valve.15：Solar thermal collector.15a：The water inlet of solar thermal collector.15b：The outlet of solar thermal collector.

Specific embodiment

According to first embodiment of the present utility model, there is provided a kind of low ebb electric heat-storage device, the device include：

1) regenerative apparatus casing or housing 1,

2) center accumulation of heat component, it includes：Upper water distributor 2, lower water-dispensing device 4 and it is arranged in upper water distributor 2 and lower water-dispensing device 4 Between by multiple heat accumulating elements 3 arrange array or duplexer,

3) the first coil pipe (such as heat supply water coil) 5 being looped around around center accumulation of heat component,

4) optional (that is, dispensable) is looped around the second coil pipe of the first coil pipe (such as heat supply water coil) 5 peripheries (such as heating coil pipe) 6,

5) be located at regenerative apparatus casing 1 outside with adding to the electricity of electrical heating elements 7 that casing interior circulation water is heated Thermal 8,

Wherein, the cooling water inlet or running water inlet 5a of the first coil pipe (such as heat supply water coil) 5 is located at regenerative apparatus case The bottom in the outside of body 1, the water inlet 6a of the second coil pipe (such as heating coil pipe) 6 also are located at the outside of regenerative apparatus casing 1 Bottom, and the hot water outlet 5b of the first coil pipe (such as heat supply water coil) 5 is located at the top in the outside of regenerative apparatus casing 1, the Middle warm water outlet (such as heating service water outlet) 6b of two coil pipes (such as heating coil pipe) 6 also is located at the outer of regenerative apparatus casing 1 The top of side and (adopting for outside is for example communicated to via the pipeline communication equipped with canned motor pump 9 to outside heat utilization system Warm water system), and

The hot water outlet 8b of electric heater unit 8 is connected to the water inlet 2a of upper water distributor 2, lower water-dispensing device 4 via hot-water line Outlet 4a be connected to the water inlet 8a of electric heater unit 8 via the water pipe equipped with canned motor pump 9.

Preferably, above-mentioned low ebb electric heat-storage device has the secondary cavity in an outside for being located at regenerative apparatus casing 1, its Middle electric heater unit is located in the secondary cavity.

It is preferred that, the water inlet 2a of upper water distributor 2, the outlet 4a of lower water-dispensing device 4 and for by the water outlet of lower water-dispensing device 4 The water pipe equipped with canned motor pump 9 that mouth 4a is connected with the water inlet 8a of electric heater unit 8 is all located in the secondary cavity.

It is preferred that, the running water inlet 5a of the first coil pipe (such as heat supply water coil) 5 and optional the second coil pipe (such as heat supply Coil pipe) 6 water inlet 6a, and hot water outlet 5b and the second optional coil pipe (example of the first coil pipe (such as heat supply water coil) 5 Such as heating coil pipe) 6 middle warm water outlet (such as heating service water outlet) 6b is all located in secondary cavity.

According to second embodiment of the present utility model, there is provided a kind of low ebb electric heat-storage device, the device include：

1) regenerative apparatus casing or housing 1,

2) center accumulation of heat component, it include upper water distributor 2, lower water-dispensing device 4 and are arranged in upper water distributor 2 and lower water-dispensing device 4 Between by multiple heat accumulating elements 3 arrange array or duplexer,

4) second coil pipe (such as heating coil pipe) 6 of the first coil pipe (such as heat supply water coil) 5 peripheries is looped around,

5) secondary cavity in an outside of regenerative apparatus casing 1 is located at,

6) install in the secondary cavity with the electric heater unit 8 to electrical heating elements 7 that casing interior circulation water is heated,

Wherein in secondary cavity：The hot water outlet 8b of electric heater unit 8 is connected to the water inlet of upper water distributor 2 via hot-water line Mouth 2a, the outlet 4a of lower water-dispensing device 4 are connected to the water inlet 8a of electric heater unit 8 via the water pipe equipped with canned motor pump 9.

The pitch (or pitch) of the first coil pipe (such as heat supply water coil) 5 or the second coil pipe (such as heating coil pipe) 6 is each It is independently 5-50cm, preferably 6-45cm, more preferably 7-40cm, more preferably 8-35cm, more preferably 9-30cm, preferably 10-20cm, example Such as 12cm or 15cm.

For the first coil pipe (such as heat supply water coil) 5 or the second spiraling in casing of coil pipe (such as heating coil pipe) 6 Highly (difference in height between the peak of the i.e. first or second coil pipe and minimum point), usually than the inside of regenerative apparatus casing The highly low 10-45cm in space, preferably preferably 12-40, more preferably 13-35cm, preferably 15-30cm, 18-25cm.It is preferred that, the One or second coil pipe typically using serpentine coil design.

In above two embodiment, it is preferred that upper water distributor 2 include parallel to each other two piece supervisor 201a with 201b and the perforate direction parallel to each other multiple arms 202 upwards being connected between two supervisors.It is preferred that, supervisor 201a or Spacing between the central shaft and cabinet wall of 201b is generally 10-40cm, such as preferably 13-35cm, preferably 15-30,18cm Or 20cm or 25cm.It is preferred that, positioned at supervisor 201a or 201b initiating terminals and end two (lie farthest away) arms respective in Spacing between heart axle and cabinet wall is generally 7-35cm, such as preferably 9-30cm, preferably 10-25,15cm or 20cm.It is preferred that , the distance between upper water distributor 2 and casing top (i.e. water tank top) generally 15-50cm, preferably 18-45cm, preferably 20- 40cm, preferably 23-35cm, such as 25cm, 28cm or 32cm.Typically, the external diameter of supervisor be preferred 5-12cm, preferably 6-10cm, It is preferred that 8-9cm.The external diameter of arm is generally 4-8cm, such as preferably 4.5-7.5cm, preferably 4-6.5cm, 5cm or 6cm.It is preferred that, Water spray aperture upwards is provided with the length direction of arm 202, wherein with 3 apertures as one group, the hole of each aperture in each group Center is in or lies substantially on same straight line.It is preferred that, the same straight line in each group at the hole center of 3 apertures with Generally 50-70 °, preferably 55-65 °, such as 60 ° of angle (α) between the axial line of arm.Along the length direction of arm, Between between the hole center (or hole center of two corresponding edge apertures of two adjacent groups) of two medial small holes of two adjacent groups Away from generally 12-27cm, such as preferably 15-25cm, preferably 17-23cm, 20cm.Typically, along the horizontal of arm, i.e., along The direction vertical with the length of arm, the spacing in each group between the hole center of two neighboring aperture are generally 1.2- 2.7cm, preferably 1.5-2.5cm, preferably 1.7-2.3cm, such as 2cm.(interior) diameter of each aperture is generally 0.7- 1.3cm, preferably 0.8-1.2cm, preferably 0.9-1.1cm, such as 1cm.Typically, the spacing between parallel adjacent arm is 12-27cm, preferably 15-25cm, preferably 17-23cm, such as 20cm.Typically, between two parallel supervisor 201a and 201b Spacing is 60-350cm, preferably 80-300cm, preferably 90-250cm, preferably 100-220cm, such as 120cm, 150cm or 200cm.

Upper water distributor 2 have even heat is distributed in topmost surface so that the heat of aqueous medium or temperature in casing It is uniformly distributed and realizes uniform heating from top to bottom in a layered fashion；Improve efficiency of utilization.

In above two embodiment, it is preferred that lower water-dispensing device 4 include parallel to each other two piece supervisor 401a with The downward multiple arms 402 in 401b and the perforate direction parallel to each other being connected between two supervisors.It is preferred that, supervisor 401a or Spacing between the central shaft and cabinet wall of 401b is generally 10-40cm, such as preferably 13-35cm, preferably 15-30,18cm Or 20cm or 25cm.It is preferred that, positioned at supervisor 401a or 401b initiating terminals and end two (lie farthest away) arms respective in Spacing between heart axle and cabinet wall is generally 7-35cm, such as preferably 9-30cm, preferably 10-25,15cm or 20cm.It is preferred that , the distance between lower water-dispensing device 4 and box bottom (i.e. water tank bottom) generally 15-50cm, preferably 18-45cm, preferably 20-40cm, preferably 23-35cm, such as 25cm, 28cm or 32cm.Typically, the external diameter of supervisor is preferred 5-12cm, preferably 6- 10cm, preferably 8-9cm.The external diameter of arm is generally 4-8cm, such as preferably 4.5-7.5cm, preferably 4-6.5cm, 5cm or 6cm.Excellent Choosing, is provided with downward water spray aperture on the length direction of arm 402, wherein with 3 apertures as one group, each aperture in each group Hole center in or lie substantially on same straight line.It is preferred that, in each group at the hole center of 3 apertures same always Generally 50-70 °, preferably 55-65 °, such as 60 ° of angle (α) between line and the axial line of arm.Length along arm Direction, between the hole center (or hole center of two corresponding edge apertures of two adjacent groups) of two medial small holes of two adjacent groups Spacing be generally 12-27cm, such as preferably 15-25cm, preferably 17-23cm, 20cm.Typically, along the horizontal of arm, i.e., Along the direction vertical with the length of arm, the spacing in each group between the hole center of two neighboring aperture is generally 1.2- 2.7cm, preferably 1.5-2.5cm, preferably 1.7-2.3cm, such as 2cm.(interior) diameter of each aperture is generally 0.7- 1.3cm, preferably 0.8-1.2cm, preferably 0.9-1.1cm, such as 1cm.Typically, the spacing between parallel adjacent arm is 12-27cm, preferably 15-25cm, preferably 17-23cm, such as 20cm.Typically, between two parallel supervisor 201a and 201b Spacing is 60-350cm, preferably 80-300cm, preferably 90-250cm, preferably 100-220cm, such as 120cm, 150cm or 200cm.

Typically, the arm in upper water distributor 2 or lower water-dispensing device 4 has identical spacing.

Lower water layer temperature in casing can be kept being evenly distributed by lower water-dispensing device 4, be conducive to bottom minimum temperature Even heat output.Lower water-dispensing device 4 and upper water distributor 2 combine, and realize the medium (i.e. water) of whole box house strict Gradient type thermal stratification, prevent string between hot water and cold water from mixing, significantly improve heating efficiency.

It is preferred that, each group in the arm 202 of upper water distributor 2 in 3 apertures hole center at same straight line with Same straight line parallel or substantially parallel in each group in the arm 402 of water-locator 4 at the hole center of 3 apertures.

Typically, upper water distributor 2 and lower water-dispensing device 4 have symmetrical or essentially or approximately symmetrical structure.Upper water distributor 2 And/or lower water-dispensing device 4 has rectangle or rectangular shape.There can also be square shape.

Preferably, regenerative apparatus casing 1 has external thermal insulation or external insulation layer.Protected using high density polyurethane foaming Warm layer, makes the heat loss of low ebb electric heat-storage device be reduced to less than 2%.

It is preferred that, heat accumulating element 3 is the internal seal pipe equipped with phase change heat storage material or seal bar, i.e. internal equipped with phase transformation The tubular or rod heat accumulating element 3 of heat-storing material.

Heat accumulating element 3 is preferably tubular or rod heat accumulating element 3.Referring to Figure 15, phase-change heat accumulation element 3 is by cylindrical shell 301st, circular head 302, channel separation ring 303, phase change heat storage material 304 are constituted.Wherein cylindrical shell 301, circular head 302nd, channel separation ring 303 is by making with certain support strength and heat conductivility good material (such as steel)；Phase-transition heat-storage Material 304 from phase transition temperature between 70-195 DEG C, and heat of fusion higher than 250kj/kg, specific heat capacity higher than 2.0kj/kg.K and The good material composition of heat conductivility.The length of phase-change heat accumulation element 3 is usually 50-200cm, preferably 60-180cm, more preferably 70-150cm, more preferably 80-120cm, such as 90cm, 100cm.

The overall diameter of (tubular or rod) phase-change heat accumulation element 3 is usually 8-45cm, preferably 10-40cm, more preferably 12- 35cm, more preferably 15-27cm, such as 18cm, 25cm.

Phase-change heat accumulation element 3 shown in this utility model is placed in WATER AS FLOW MEDIUM, and element is in parallel arranged to form n-layer m row, constitutes phase transformation Heat accumulating element array.Each element surrounding is surrounded by WATER AS FLOW MEDIUM.N is 5-30, preferably 7-27, preferably 8-25, preferably 9-22, preferably 10-20, more preferably 12-18, more preferably 14-16.M is 4-25, preferably 5-22, preferably 6-20, preferably 7-18, preferably 8-16, more It is preferred that 9-15, more preferably 12-14.

Heat-accumulating process：When medium coolant-temperature gage is higher than the fusing point of the phase change heat storage material 304 in phase-change heat accumulation element 3, phase Change heat storage material 304 absorbs heat and starts ecto-entad thawing, and after all melting, phase change heat storage material 304 is started to warm up, until It is close to and reaches medium coolant-temperature gage and stop heat absorption, heat-accumulating process is completed.

Exothermic process：When medium coolant-temperature gage is less than the fusing point of the phase change heat storage material 304 in phase-change heat accumulation element 3, phase The release heat of change heat storage material 304 starts ecto-entad solidification, and after all solidifying, phase change heat storage material 304 starts to lower the temperature, until It is close to and reaches medium coolant-temperature gage and stop heat release, exothermic process is completed.

Preferably, the array for being arranged by multiple heat accumulating elements 3 or the arrangement mode of duplexer are：In upper water distributor Between 2 and lower water-dispensing device 4, multiple tubular or rod heat accumulating element 3 arrangement mode is divided into being arranged at many levels (i.e. n-layer m Row), each layer is arranged by multiple tubular or 3 horizontal parallel of rod heat accumulating element, and then each layer is laminated.Form array or layer Stack or stacked body.Tubular or rod heat accumulating element 3 is used as array or duplexer or the arrangement of stacked body form, array or duplexer Or the height of stacked body is usually 0.4-2.5m, preferably 0.5-2.2m, more preferably 0.6-2.0m, more preferably 0.7-1.8m, for example 0.8th, 1.0,1.2 or 1.5m.This depends highly on the height of the inner space of regenerative apparatus casing.

General etc. in the length of the application, the length of tubular or rod heat accumulating element 3 or array or duplexer or stacked body In or about the same or slightly larger than upper and lower water-locator 2 or 4 length or width.Typically, the width of array or duplexer or stacked body Degree be equal to or about the same or slightly larger than upper and lower water-locator 2 or 4 width.The length direction of tubular or rod heat accumulating element 3 or The length direction of array or duplexer or stacked body is identical with the length direction of casing.Or, tubular or rod heat accumulating element 3 The length direction of length direction or array or duplexer or stacked body can also be perpendicular to the length direction of casing, now, in case The length direction of body includes multiple arrays or duplexer or stacked body.

The cross section of tubular or rod heat accumulating element 3 assumes circular, oval or rectangle.In addition, the first or second coil pipe Cross section assume circular, oval or rectangle.

It is further preferred that between adjacent each tubular or rod heat accumulating element 3 on same layer or neighbouring two-layer pipe There is gap between shape or rod heat accumulating element 3 or have certain spacing.Typically, the gap of same layer or spacing, or phase up and down The gap of adjacent two-layer or spacing, are 1.2-20cm independently of one another, preferably 1.8-15cm, preferably 2.3-10cm, such as 2.5- 8cm, such as 3,4,5 or 6cm.

In this application, the external diameter of the first coil pipe (such as heat supply water coil) 5 is generally 6-30cm, preferably 9-26cm, excellent Select 12-23cm, more preferably 15-20cm, such as 16 or 18cm.Optionally, the external diameter of the second coil pipe (such as heating coil pipe) 6 is 8- 40cm, preferably 10-35cm, preferably 12-30cm, more preferably 15-28cm, such as 18,20 or 25cm.

The melting range or melting range of phase change heat storage material is usually at 75-100 DEG C, preferably between 82-95 DEG C.When tubular Phase change heat storage material when medium coolant-temperature gage around heat accumulating element 3 reaches 82 DEG C inside tubular heat accumulating element 3 starts to melt, and reaches Melt during to 95 DEG C completely, this is for turning admittedly liquid heat-accumulating process, otherwise is exothermic process, and in exothermic process, phase change heat storage material is sent out Raw crystallization solidifies.By means of this reversible process, the thermal energy storage that low-valley interval is produced can be got up, discharge when needing Come, it has, and amount of stored heat is big, the feature of safety and stability.

The phase change heat storage material 304 being sealed in tubular or rod heat accumulating element 3 includes following components or has with the following group Into：

Embodiment 1：

Phase change heat storage material includes following components：

Preparation process：By the heating fusing of a) component, continue to be heated to 90 DEG C, then add other components, stirring is mixed Close, form the phase change heat storage material of form of mixtures.The density (ρ) of mixture is 2520kg/m³.Transition temperature range：82-95 ℃.Latent heat of phase change (L)=322-333kJ/kg.Specific heat capacity (Cp)=5.52kJ/kg DEG C.Mixture is warming up to 90 from 50 DEG C DEG C, cubical expansivity is 0.05%.

Load：Allow mixture to be cooled to 40 DEG C or so, be filled in tubular or rod heat accumulating element (3), welded seal end Mouthful.

Comparative example 1

Phase change heat storage material includes following components：

Preparation process：By the heating fusing of a) component, continue to be heated to 90 DEG C, then add other components, stirring is mixed Close, form the phase change heat storage material of form of mixtures.The density (ρ) of mixture is 2311kg/m³.Transition temperature range：76-82 ℃.Latent heat of phase change (L)=293-297kJ/kg.Specific heat capacity (Cp)=4.51kJ/kg DEG C.Mixture is warming up to 90 from 50 DEG C DEG C, cubical expansivity is 0.8%.

The height correlation of the height typically with 1 inner space of regenerative apparatus housing of spiraling of heating coil pipe 4.Heat supply water coil 5 The general height correlation also with 1 inner space of regenerative apparatus housing of the height that spirals.The height that tubular heat accumulating element 3 is arranged, stacked Degree height correlation also with 1 inner space of regenerative apparatus housing.

Preferably, the water inlet of the running water inlet of heat supply water coil 5 and heating coil pipe 6, and heat supply water coil 5 The heating service water outlet of hot water outlet and heating coil pipe 6 is all located in secondary cavity.

One), the water in 1 (regenerative apparatus body) casing, is sucked by lower water-dispensing device 4, is gone out from the outlet 4a of lower water-dispensing device 4 Come, entered in electric heater unit by the import 8a of electric heater unit 8 (electrical heating unit body) after water pump 9 pressurizes, Is heated by being powered to heating element heater (electrical heating unit) 7 in electric heater unit 8 (electrical heating unit body), after heating from 8b exports to 2a interfaces and enters in upper water distributor 2, subsequently enters in regenerative apparatus body 1, by 3 accumulation of heat of heat accumulating element.

Two), heating backwater is entered in low ebb electric heat-storage device body 1 from 6a interfaces, absorbs heat by heating coil 6, From after exporting 6b out, after water pump 9 pressurizes, the heating circulation system of outside is again introduced into.

Three), the pressure using tap water itself is allowed to enter in regenerative apparatus body 1 from tap water interface 5a, by supplying Hot-water coil pipe 5 absorbs heat, out becomes domestic hot-water afterwards from outlet 5b.

Preferably, all parts for being contacted with water in the device in the application are more preferably adopted using stainless steel making 304 rustless steels.Such as sheet material adopts 304 stainless-steel pipes using 304 stainless-steel sheets or tubing.

This utility model also provides a kind of electrical heating, solar energy and phase-changing energy-storing heating plant combining heating system.It wraps Include：The outlet 15b of foregoing regenerative apparatus 1, and solar thermal collector 15, wherein solar thermal collector 15 is via the 5th Pipeline L5 is connected to the water inlet 2a of the upper water distributor 2 of regenerative apparatus 1, and the outlet 4a of the lower water-dispensing device 4 of regenerative apparatus 1 is passed through The water inlet 15a that solar thermal collector 15 is connected to by the 6th pipeline L6.

Daytime, when public electric wire net is in peak of power consumption, by solar thermal collector (system) or other waste heat supply systems (such as the waste heat output system of steel plant) provides heat energy for regenerative apparatus.When public electric wire net is in low power consumption, completely by electricity The aqueous medium that heating system is come in the casing 1 of heat storage device, provides heat energy for regenerative apparatus.

Claims

1. a kind of low valley power storage heating plant, the device include：

1) regenerative apparatus casing (1),

2) center accumulation of heat component, it includes：Upper water distributor (2), lower water-dispensing device (4) and upper water distributor (2) is arranged in lower water distribution The array arranged by multiple heat accumulating elements (3) or duplexer between device (4),

3) the first coil pipe (5) being looped around around center accumulation of heat component,

5) be located at regenerative apparatus casing (1) outside with adding to the electricity of electrical heating elements (7) that casing interior circulation water is heated Thermal（8）,

Wherein, the cooling water inlet of the first coil pipe (5) or running water inlet (5a) are located under the outside of regenerative apparatus casing (1) Portion, and the hot water outlet (5b) of the first coil pipe (5) is located at the top in the outside of regenerative apparatus casing (1), and

The hot water outlet (8b) of electric heater unit (8) is connected to the water inlet (2a) of upper water distributor (2), lower water distribution via hot-water line The outlet (4a) of device (4) is connected to the water inlet (8a) of electric heater unit (8) via the water pipe equipped with canned motor pump (9),

The inner space of wherein regenerative apparatus casing or regenerative apparatus casing is rendered as cuboid, the accumulation of heat dress of the cuboid The length for putting the inner space of casing or regenerative apparatus casing is 1.2-5.5m, and its width is 0.6-3.5m, and its height is 0.5-3.3m.

2. low valley power storage heating plant according to claim 1, it is characterised in that it further includes to be looped around first Second coil pipe (6) of coil pipe (5) periphery, the water inlet (6a) of the second coil pipe (6) also are located at the outer of regenerative apparatus casing (1) The bottom of side, middle warm water outlet (6b) of the second coil pipe (6) also are located at the top in the outside of regenerative apparatus casing (1) and pass through By the pipeline communication equipped with canned motor pump (9) to outside heat utilization system.

3. low valley power storage heating plant according to claim 2, it is characterised in that the low ebb electric heat-storage device has The secondary cavity in an outside of regenerative apparatus casing (1) is located at, wherein electric heater unit is located in the secondary cavity.

4. low valley power storage heating plant according to claim 3, it is characterised in that the water inlet of upper water distributor (2) (2a), the outlet (4a) of lower water-dispensing device (4) and it is used for the outlet (4a) of lower water-dispensing device (4) and electric heater unit (8) Water pipe of be connected one of water inlet (8a) equipped with canned motor pump (9) be all located in the secondary cavity；And/or, the first coil pipe (5) running water inlet (5a) and the water inlet (6a) of the second coil pipe (6), and the hot water outlet (5b) of the first coil pipe (5) It is all located in secondary cavity with middle warm water outlet (6b) of the second coil pipe (6).

5. the low valley power storage heating plant according to any one of claim 1-4, it is characterised in that the first coil pipe (5) pitch or pitch of or the second coil pipe (6) is independently each 5-50cm.

6. low valley power storage heating plant according to claim 5, it is characterised in that the first coil pipe (5) or the second coil pipe (6) pitch or pitch is independently each 10-20cm.

7. the low valley power storage heating plant according to any one of claim 1-4, it is characterised in that upper water distributor (2) two supervisors (201a, 201b) parallel to each other and the perforate direction parallel to each other being connected between two supervisors are included Multiple arms (202) upwards, in arm（202）Length direction on be provided with water spray aperture upwards, wherein with 3 apertures be One group, in each group, the hole center of each aperture is on same straight line.

8. low valley power storage heating plant according to claim 7, it is characterised in that in arm（202）Length direction On in the water spray aperture upwards that opens up, the axle center of same straight line in each group at the hole center of 3 apertures and arm Angle between line is 50-70 °.

9. low valley power storage heating plant according to claim 8, it is characterised in that along the length side of arm (202) To, between the hole center of two corresponding edge apertures of the hole center of two medial small holes of two adjacent groups or two adjacent groups between Away from for 12-27cm, along arm（202）Horizontal, i.e., along the direction vertical with the length of arm, adjacent two in each group Spacing between the hole center of individual aperture is 1.2-2.7cm, and the interior diameter of each aperture is 0.7-1.3cm.

10. low valley power storage heating plant according to claim 7, it is characterised in that lower water-dispensing device (4) includes putting down each other The downward multiple arms in capable two supervisors (401a, 401b) and the perforate direction parallel to each other being connected between two supervisors (402), downward water spray aperture is provided with the length direction of arm (402), wherein with 3 apertures as one group, in each group The hole center of each aperture is on same straight line.

11. low valley power storage heating plants according to claim 10, it is characterised in that in the length side of arm (402) In the downward water spray aperture for opening up upwards, the axle of same straight line and arm in each group at the hole center of 3 apertures Angle between heart line is 50-70 °.

12. low valley power storage heating plants according to claim 11, it is characterised in that along the length of arm (402) Between the hole center of two corresponding edge apertures of direction, the hole center of two medial small holes of two adjacent groups or two adjacent groups Spacing is 12-27cm, along arm（402）Horizontal, i.e., along the direction vertical with the length of arm, adjacent in each group Spacing between the hole center of two apertures is 1.2-2.7cm, the interior diameter of each aperture is 0.7-1.3cm.

The 13. low valley power storage heating plants according to any one of claim 1-4, it is characterised in that heat accumulating element (3) it is tubular or rod, it is by cylindrical shell (301), circular head (302), channel separation ring (303), phase-transition heat-storage material Material (304) is constituted.

14. low valley power storage heating plants according to claim 13, it is characterised in that phase change heat storage material (304) is selected With phase transition temperature between 70-195 DEG C, and phase transformation material of the heat of fusion higher than 250kj/kg, specific heat capacity higher than 2.0 kj/kg.k Material.

15. low valley power storage heating plants according to claim 14, it is characterised in that phase-change heat accumulation element (3) is parallel N-layer m row are arranged in, phase-change heat accumulation element array is constituted.