CN209513073U - A kind of system for measuring heat storage can mesolimnion height - Google Patents
A kind of system for measuring heat storage can mesolimnion height Download PDFInfo
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- CN209513073U CN209513073U CN201822222008.9U CN201822222008U CN209513073U CN 209513073 U CN209513073 U CN 209513073U CN 201822222008 U CN201822222008 U CN 201822222008U CN 209513073 U CN209513073 U CN 209513073U
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- heat storage
- mesolimnion
- cold water
- hot water
- tank
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Abstract
The utility model relates to a kind of systems for measuring heat storage can mesolimnion height, wherein the system includes heat storage can and computing device, heat storage can includes heat accumulation tank, and the hot water space and cold water space of heat storage can tank interior are respectively disposed with top water distributor and lower part water distributor;Multiple temperature points are equipped with along heat accumulation tank short transverse, each temperature point arranges a temperature element, for measuring the temperature of different level liquid;Hot water space and cold water space are in interface formation mesolimnion;Top water distributor and lower part water distributor are connected separately with hot water pipeline and cold water pipes, and hot water pipeline and/or cold water pipes are equipped with flowmeter;Computing device passes through thickness when each temperature point by the time of temperature point and corresponding flow, Continuous plus mesolimnion for the mesolimnion based on acquisition.The utility model can accurately measure mesolimnion height, provide heat storage can index and calculate and Performance Assessment foundation.
Description
Technical field
The utility model belongs to heat storage can mesolimnion field of measuring technique, more particularly to a kind of tiltedly warm for measuring heat storage can
The system of layer height.
Background technique
Heat-storage technology aims to solve the problem that energy supply and demand both sides because mismatching the contradiction generated, pass through heat accumulation over time and space
Device is had more than needed stage storage in energy, is discharged in the shortage of energy period, is reduced energy production system and cause because of external load demand
Fluctuation, improve efficiency of energy utilization, be mitigate environmental pollution a kind of important technology.Heat reservoir is in solar energy storage, electricity
Power peak regulation, the recycling of waste heat and waste heat and industry widely answer with fields such as the energy conservations of civil buildings and air-conditioning
With.
The cardinal principle of hot water heat storage can is to store heat using the sensible heat of water and layering that different temperatures is lauched is special
Property, i.e., when temperature is high, hot water density is small, and heat accumulation canister upper region is under buoyancy;The low cold water of temperature is due to density
Be in heat storage can lower area greatly, to realize the natural layering of hot and cold water, stable mesolimnion prevent lower part cold water and
The hot water on top mutually mixes.By applying heat storage can, when extraneous thermic load is lower, by extra, temporary unwanted energy
It is stored in specific regenerative apparatus, when extraneous thermic load is higher, and heating plant output is insufficient, release storage energy.
Since hot and cold water in interface forms mesolimnion in heat storage can, thermocline thickness directly affects heat storage can and effectively holds
Product necessarily reduces heat storage can quantity of heat storage and thermal discharge if mesolimnion is excessive.And mesolimnion heat storage can use process at any time not
Offset is dynamic, and thickness also changes, and general measure tool and means can not accurately measure it.
Utility model content
The purpose of the utility model is to provide a kind of systems for measuring heat storage can mesolimnion height, to realize to hot water
In the heat accumulation and exothermic process of heat storage can, the online tracking measurement of thermocline thickness provides performance calculation basis, and to store hot mistake
Range of flow, temperature control provide reference.
The utility model provides a kind of method for measuring heat storage can mesolimnion height, comprising:
Each temperature is passed through by the time of temperature point and corresponding flow, Continuous plus mesolimnion based on heat storage can mesolimnion
Thickness when measuring point is spent, calculation formula is as follows:
In formula: hnMesolimnion passes through n-th of temperature point thickness, unit m;
QnPass through n-th of temperature point flow, unit m for mesolimnion3/h;
Δ t is that mesolimnion passes through n-th of temperature point time, unit s;
R is heat storage can radius, unit m.
The utility model additionally provides a kind of system for measuring heat storage can mesolimnion height, including heat storage can and calculating
Device, heat storage can include heat accumulation tank, and the hot water space and cold water space of heat storage can tank interior are respectively disposed with top cloth
Hydrophone and lower part water distributor, top water distributor and lower part water distributor be used for by the liquid of transmission be uniformly sprayed at top water distributor and
Absolute altitude where the water distributor of lower part;Multiple temperature points are equipped with along heat accumulation tank short transverse, each temperature point arranges one
Temperature element, for measuring the temperature of different level liquid;
Hot water space is in heat accumulation tank upper area, and cold water space is in heat storage can tank body lower part region, and hot water is empty
Between and cold water space interface formed mesolimnion;Top water distributor and lower part water distributor are connected separately with hot water pipeline and cold water
Pipeline, hot water pipeline and/or cold water pipes are equipped with flowmeter;
Computing device is tiltedly warm by the time of temperature point and corresponding flow, Continuous plus for the mesolimnion based on acquisition
Thickness when layer is by each temperature point, calculation formula are as follows:
In formula: hnPass through n-th of temperature point thickness, unit m for mesolimnion;
QnPass through n-th of temperature point flow, unit m for mesolimnion3/h;
Δ t is that mesolimnion passes through n-th of temperature point time, unit s;
R is heat storage can radius, unit m.
Further, in the heat accumulation stage, by hot water pipeline to heat storage can tank interior hot water space supplement hot water, and by
Cold water pipes send out the cold water of heat storage can tank interior cold water space;It is in exothermic phase, heat storage can tank interior hot water is empty
Between hot water send to hot water pipeline, and by cold water pipes to heat storage can tank interior cold water space supplement cold water.
Further, circulating pump and bypass valve are housed on hot water pipeline and cold water pipes, circulating pump and bypass valve are used for
Heat storage can heat accumulation or heat release period adjust the flow of disengaging heat accumulation tank hot and cold water, make the cold water for passing in and out heat accumulation tank and heat
Water flow is consistent, to maintain heat storage can tank interior liquid level constant.
Further, temperature element is arranged vertically or screw arrangement along heat accumulation tank short transverse.
Further, heat storage can top of the tank is equipped with steam or nitrogen stabilization pressure device.
Further, heat accumulation tank top is equipped with overflow port.
Further, heat storage can top of the tank is equipped with breather valve.
According to the above aspect of the present invention, can accurately measure mesolimnion height by the system for measuring heat storage can mesolimnion height
Degree provides heat storage can index and calculates and Performance Assessment foundation.By continuously measuring mesolimnion height change trend, adjustment storage in time
Hot systems operating parameter, can be avoided mesolimnion increase causes dischargeable capacity to reduce, and improves utilization rate of equipment and installations.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the system that the utility model is used to measure heat storage can mesolimnion height.
Figure label:
1- heat accumulation tank;The top 2- water distributor;3- hot water space;4- mesolimnion;5- temperature element;The lower part 6- water distribution
Device;7- cold water space;8- flowmeter;9- circulating pump;10- bypass valve;11- cold water pipes;12- hot water pipeline.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Present embodiments provide a kind of method for measuring heat storage can mesolimnion height, comprising:
Each temperature is passed through by the time of temperature point and corresponding flow, Continuous plus mesolimnion based on heat storage can mesolimnion
Thickness when measuring point is spent, calculation formula is as follows:
In formula: hnMesolimnion passes through n-th of temperature point thickness, unit m;
QnPass through n-th of temperature point flow, unit m for mesolimnion3/h;
Δ t is that mesolimnion passes through n-th of temperature point time, unit s;
R is heat storage can radius, unit m.
The method of the measurement heat storage can mesolimnion height provided through this embodiment, can measure thermocline thickness, provide
Heat storage can index calculates and Performance Assessment foundation.By continuously measuring thermocline thickness variation tendency, heat reservoir is adjusted in time
Operating parameter, can be avoided thermocline thickness increase causes dischargeable capacity to reduce, and improves utilization rate of equipment and installations.
Join shown in Fig. 1, the system for measuring heat storage can mesolimnion height, including heat storage can and computing device, heat storage can
Including heat accumulation tank 1, hot water space 3 and cold water space 7 inside heat accumulation tank 1 be respectively disposed with top water distributor 2 and
Lower part water distributor 6, top water distributor 2 and lower part water distributor 6 be used for by the liquid of transmission be uniformly sprayed at top water distributor 2 and under
6 place absolute altitude of portion's water distributor, does not cause liquid level larger fluctuation;Multiple temperature points are equipped with along 1 short transverse of heat accumulation tank, often
A temperature point arranges a temperature element 6, for measuring the temperature of different level liquid.
Hot water space 3 is in 1 upper area of heat accumulation tank, and cold water space 7 is in 1 lower area of heat accumulation tank, heat
(hot water is in upper area in heat storage can, and cold water is in lower region in interface formation mesolimnion 4 for hydrospace 3 and cold water space 7
Domain, hot and cold water natural layering during operation, and interface formed mesolimnion), run with heat reservoir, hot water space 3 with it is cold
7 volume of hydrospace changes, and mesolimnion 4 is mobile in 1 short transverse of heat accumulation tank;Top water distributor 2 and lower part water distributor 6
It is connected separately with hot water pipeline 11 and cold water pipes 12, hot water pipeline 11 and/or cold water pipes 12 are equipped with flowmeter 8.Flow
Meter 8 can accurately measure cold water or hot water flow.Flowmeter 8 can be mounted on cold water pipes 11 or hot water according to engineering practice
It on pipeline 12, or is mounted on cold water pipes 11 and hot water pipeline 12 simultaneously, assists control means as heat storage can liquid level.Top
Water distributor 2 and lower part water distributor 6 can guarantee that hot and cold water is moved up and down in tank body with laminar condition so that hot water and cold water compared with
It is isolated well, avoids mesolimnion higher, influences tank body efficiency.
Computing device is tiltedly warm by the time of temperature point and corresponding flow, Continuous plus for the mesolimnion based on acquisition
Thickness when layer is by each temperature point, calculation formula are as follows:
In formula: hnPass through n-th of temperature point thickness, unit m for mesolimnion;
QnPass through n-th of temperature point flow, unit m for mesolimnion3/h;
Δ t is that mesolimnion passes through n-th of temperature point time, unit s;
R is heat storage can radius, unit m.
By the system for being used to measure heat storage can mesolimnion height, thermocline thickness can be measured, heat storage can is provided and is referred to
Mark calculates and Performance Assessment foundation.By continuously measuring thermocline thickness variation tendency, heat reservoir operating parameter is adjusted in time,
Can be avoided thermocline thickness increase causes dischargeable capacity to reduce, and improves utilization rate of equipment and installations.
In the present embodiment, it in the heat accumulation stage, is supplemented by hot water pipeline 11 to 1 internal hot-water space 3 of heat accumulation tank
Hot water, and sent out the cold water of 1 inside cold water space 7 of heat accumulation tank by cold water pipes 12;In exothermic phase, by heat storage can tank
The hot water in 1 internal hot-water space 3 of body is sent to hot water pipeline 11, and empty to 1 inside cold water of heat accumulation tank by cold water pipes 12
Between 7 supplement cold water.
In the present embodiment, circulating pump 9 and bypass valve 10, heat accumulation or heat release are housed on hot water pipeline 11 and cold water pipes 12
Period is used using another side ducts bypass valve of side pipe circle pump collocation, and tank body medium transmission power is mentioned by circulating pump 9
For, and pass through 10 moisturizing of other side bypass valve.In heat storage can heat accumulation or heat release period, 9 flows and bypass are pumped by control loop
10 aperture of valve adjusts the flow of disengaging 1 hot and cold water of heat accumulation tank, makes the cold water and hot water flow one that pass in and out heat accumulation tank 1
It causes, to maintain 1 inside liquid level of heat accumulation tank (water capacity) constant.
In the present embodiment, temperature element 5 is arranged vertically or screw arrangement along 1 short transverse of heat accumulation tank, uniform cloth
It sets or unevenly arranges.
In the present embodiment, it is equipped with steam or nitrogen stabilization pressure device at the top of heat accumulation tank 1, guarantees that top of the tank is micro- just
Pressure avoids outside air from entering tank body and generates corrosion to tank body.
In the present embodiment, 1 top of heat accumulation tank is equipped with overflow port, prevents liquid level in tank body excessively high.
In the present embodiment, it is equipped with breather valve at the top of heat accumulation tank 1, prevents tank interior from larger positive pressure or negative pressure occur
Damage tank body.
System provided in this embodiment for measuring heat storage can mesolimnion height has the following technical effect that
1) it solves conventional method to be difficult to during heat storage can is run, liquid height measuring under situation of movement occurs for mesolimnion
The problem of;
2) it, which exports result, can be used as heat accumulation equipment and system endurance foundation;
3) parameters such as heat storage can disengaging water flow, water temperature can be adjusted in time, are avoided by thermocline thickness variation tendency
The heat storage can useful space reduces.
The above is only the preferred embodiment of the utility model, is not intended to limit the utility model, it is noted that
For those skilled in the art, without deviating from the technical principle of the utility model, it can also do
Several improvements and modifications out, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of system for measuring heat storage can mesolimnion height, which is characterized in that described including heat storage can and computing device
Heat storage can includes heat accumulation tank, and the hot water space and cold water space of the heat storage can tank interior are respectively disposed with top water distribution
Device and lower part water distributor, the top water distributor and lower part water distributor are used to the liquid of transmission being uniformly sprayed at the top cloth
Absolute altitude where hydrophone and lower part water distributor;Multiple temperature points are equipped with along the heat accumulation tank short transverse, each temperature is surveyed
Point one temperature element of arrangement, for measuring the temperature of different level liquid;
The hot water space is in the heat accumulation tank upper area, and the cold water space is in the heat storage can tank body lower part
Region, the hot water space and cold water space form mesolimnion in interface;The top water distributor and lower part water distributor difference
It is connected with hot water pipeline and cold water pipes, the hot water pipeline and/or cold water pipes are equipped with flowmeter;
The computing device is tiltedly warm by the time of temperature point and corresponding flow, Continuous plus for the mesolimnion based on acquisition
Thickness when layer is by each temperature point, calculation formula are as follows:
In formula: hnPass through n-th of temperature point thickness, unit m for mesolimnion;
QnPass through n-th of temperature point flow, unit m for mesolimnion3/h;
Δ t is that mesolimnion passes through n-th of temperature point time, unit s;
R is heat storage can radius, unit m.
2. a kind of system for measuring heat storage can mesolimnion height according to claim 1, which is characterized in that in heat accumulation
Stage supplements hot water to heat storage can tank interior hot water space by the hot water pipeline, and by the cold water pipes by heat accumulation
The cold water of cold water space is sent out inside tank;In exothermic phase, the hot water of heat storage can tank interior hot water space is sent to institute
Hot water pipeline is stated, and supplements cold water to heat storage can tank interior cold water space by the cold water pipes.
3. a kind of system for measuring heat storage can mesolimnion height according to claim 2, which is characterized in that the heat
Circulating pump and bypass valve be housed on waterpipe and cold water pipes, the circulating pump and bypass valve be used in the heat storage can heat accumulation or
The heat release period adjusts the flow of disengaging heat accumulation tank hot and cold water, keeps the cold water for passing in and out heat accumulation tank consistent with hot water flow,
To maintain heat storage can tank interior liquid level constant.
4. a kind of system for measuring heat storage can mesolimnion height according to claim 1, which is characterized in that the survey
Warm element is arranged vertically along heat accumulation tank short transverse or screw arrangement.
5. a kind of system for measuring heat storage can mesolimnion height according to claim 1, which is characterized in that the storage
Steam or nitrogen stabilization pressure device are equipped at the top of hot tank.
6. a kind of system for measuring heat storage can mesolimnion height according to claim 1, which is characterized in that the storage
Hot tank top is equipped with overflow port.
7. a kind of system for measuring heat storage can mesolimnion height according to claim 1, which is characterized in that the storage
Breather valve is equipped at the top of hot tank.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110686553A (en) * | 2019-08-20 | 2020-01-14 | 大唐辽源发电厂 | Method and system for measuring height of thermocline of heat storage tank |
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2018
- 2018-12-27 CN CN201822222008.9U patent/CN209513073U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110686553A (en) * | 2019-08-20 | 2020-01-14 | 大唐辽源发电厂 | Method and system for measuring height of thermocline of heat storage tank |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 Termination date: 20191227 |
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CF01 | Termination of patent right due to non-payment of annual fee |