CN107032000B - A kind of low-loss heat accumulation water body flexible floating roof - Google Patents
A kind of low-loss heat accumulation water body flexible floating roof Download PDFInfo
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- CN107032000B CN107032000B CN201611050459.8A CN201611050459A CN107032000B CN 107032000 B CN107032000 B CN 107032000B CN 201611050459 A CN201611050459 A CN 201611050459A CN 107032000 B CN107032000 B CN 107032000B
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- water body
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- floating roof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/34—Large containers having floating covers, e.g. floating roofs or blankets
Abstract
A kind of low-loss heat accumulation water body flexible floating roof, comprising: honeycomb flexible membrane layer (1), insulating layer (2), high-temperature flexible film layer (3), population (4), automatic exhaust steam valve (5), water body exhaust pipe (6), fixing bolt (8) and compacting cylinder (9)；The flexible floating roof is followed successively by honeycomb flexible membrane layer (1), insulating layer (2) and high-temperature flexible film layer (3) from top to bottom；Automatic exhaust steam valve (5) is fixed on honeycomb flexible membrane layer (1)；The bottom of population (4) is fixed on high-temperature flexible film layer (3), is fixed on honeycomb flexible membrane layer (1) at the top of population (4)；One end of water body exhaust pipe (6) is fixed on high-temperature flexible film layer (3), and the other end of water body exhaust pipe (6) is fixed on population (4) side wall；Honeycomb flexible membrane layer (1) and high-temperature flexible film layer (3) are fixed on the soil around heat accumulation tank by fixing bolt (8) and compacting cylinder (9).
Description
Technical field
The present invention relates to a kind of flexible floating roofs suitable for heat accumulation water body.
Background technique
The advantages that since the specific heat and density of water are larger, the heat storage capacity of unit volume is big, and heat transfer intensity is convenient for control, water
Body heat accumulation is one of the important form of following across the season large capacity heat accumulation with development prospect.It is different from water tank heat accumulation, water body
Heat storage capacity is generally large, few then thousands of cubic meters, more, can achieve 10 ten thousand steres or more, if using in heat storage water tank
Common rigidity floating roof design, then can greatly increase the cost of heat accumulation water body, influence system economy.
China not yet builds the water body heat accumulation application case of ten thousand stere rank or more at present.In the world, Denmark is
Largest country is promoted in solar energy district heating commercialization, and water body heat accumulation is main application form.Used by Denmark
It is floating roof structure at the top of water body heat accumulation, supports heat accumulation tank top structure by the buoyancy of water.Its floating roof structure is mainly by flexible membrane
Layer and insulating layer form, filling heat insulating wall between two sheets of flexible film layer, to reduce the heat waste of heat accumulation water body.But by investigating on the spot
And discovery is researched and analysed, have the heat accumulation water body of this floating roof structure, heat waste amount still can achieve the 20% of water body amount of stored heat
(water body heat storage capacity is 7.5 ten thousand steres) above.Wherein, due to the thermal stratification effect of heat accumulation water body, close to floating roof structure
The water temperature highest of lower layer, water body and the external environment temperature difference are big, account for water body by floating roof structure dispersed heat and always radiate
50% or more of amount.If increasing the thickness of thermal insulation material excessively to reduce heat waste, the weight of flexible floating roof certainly will be increased, when soft
Property floating roof weight be higher than heat accumulation water body buoyancy when, flexible floating roof will collapse.Therefore, guarantee while using light structures low
Heat loss coefficient is one of the effective way for improving heat accumulation water body heat storage capacity.
Currently, the flexible floating roof patent spininess in China is for small-sized fluid reservoir.For example, patent CN99233384.9 " is used for
Cover liquid level membrane flexible floating roof ", patent CN200520096791.9 " monolayer film type flexible floating roof ", patent
CN200720062227.4 " Grazing condition membrane type floating roof " proposes floating roof structure and floating roof and tank suitable for small-sized heat storage can
The sealing technique of body.
In foreign patent, patent US5005724 (A) " Floating cover for the interior of a
Storage tank " propose a kind of water tank upper retractable and flexible floating roof, it is mainly used in the body of equilibrium water and external environment
Pressure.The patent is not related to low-loss technology.
Patent US3313443 (A) " Floating cover for a liquid storage reservoir " is proposed
A kind of sealing technique of flexible floating roof and peripheral wall surface.The patent is not related to low-loss technology.
Patent DE2949584 (A1) " Underground heat store with ground heat collector-
comprises concrete tank containing sand or water covered over with soil for
Landscaping " a kind of underground heat accumulation pool construction is proposed, though it is related to certain low-loss technology, the top of the patent
Portion is rigidifying structure, non-compliant structure.
Summary of the invention
The present invention proposes a kind of low-loss heat accumulation water body flexible floating roof, can reduce the top heat dissipation of large-scale heat accumulation tank, with
The whole heat storage performance of heat accumulation tank is improved, while large-scale heat accumulation tank cost can be reduced.
Technical scheme is as follows:
Low-loss heat accumulation water body flexible floating roof of the present invention specifically includes that honeycomb flexible membrane layer, insulating layer, high-temperature flexible
Film layer, population, automatic exhaust steam valve, water body exhaust pipe, fixing bolt, and compacting cylinder.The flexible floating roof is from top to bottom
It is followed successively by honeycomb flexible membrane layer, insulating layer and high-temperature flexible film layer；Automatic exhaust steam valve is fixed on honeycomb flexible membrane layer；People
The bottom of mouth is fixed in high-temperature flexible film layer, is fixed in honeycomb flexible membrane layer at the top of population；Water body exhaust pipe
One end is fixed in high-temperature flexible film layer, and the other end is fixed on population side wall.Honeycomb flexible membrane layer and high-temperature flexible
Film layer is fixed on the soil around heat accumulation tank by fixing bolt and compacting cylinder.
The top of honeycomb flexible membrane layer is transparent flexible film layer, and bottom is black flexible film layer, central filler air layer.
The thickness of insulating layer should be calculated according to heat transfer limit value, thermal insulation material suitable adaptation to local conditions selection, can for vermiculite,
Benzene plate etc..
One end that water body exhaust pipe is connected with high-temperature flexible film layer is lower than one that water body exhaust pipe is connected with population
End, is conducive to the discharge of water body gas.
The quantity of population is at least 2.
The quantity of automatic exhaust steam valve is selected according to the valve characteristic of automatic capacity and automatic exhaust steam valve.
The course of work of the present invention is as follows:
When solar energy irradiation penetrates the transparent flexible film layer at the top of honeycomb flexible membrane layer, honeycomb flexible membrane layer bottom
Black flexible film layer absorb solar energy, improve black flexible film layer temperature.The air layer of honeycomb flexible membrane layer is each
Free convection is formed in a cellular space, but since air has good heat preservation property, the temperature of black flexible film layer
Degree will be much higher than outside ambient air temperature.Higher black flexible film temperature, reduces insulating layer lower surface and upper surface
The temperature difference, to reduce the heat waste by flexible floating roof structure.Even if good due to air during no solar irradiation
Heat preservation property equally can reduce insulating layer following table it is also possible that the temperature of black flexible film layer is higher than ambient temperature
The temperature difference in face and upper surface, to reduce the heat waste for passing through flexible floating roof structure.
When water temperature variation, with gas evolution phenomenon in water body, in order to which evacuation of air, holding are rationally pressed as early as possible
Power, avoid high-temperature flexible film layer bear excessive pressure and it is damaged, water body exhaust pipe is installed, gas in high-temperature flexible film layer
Entered in population by water body exhaust pipe, excessive gas outwardly is discharged in environment.In addition, during construction and installation, it is flexible
The insulating layer of floating roof can have excessive air, and when gas pressure is excessive in insulating layer, automatic exhaust steam valve can exclude excessive
Air maintains pressure balance.
The heat waste at the top of heat accumulation tank can be effectively reduced in low-loss heat accumulation water body flexible floating roof of the invention, to improve whole
The quantity of heat storage of a heat accumulation tank.Meanwhile using water body exhaust pipe and automatic exhaust steam valve, gas pressure in balance system, avoid by
The film layer caused by pressure imbalance is destroyed, it is ensured that floating roof structure can work normally.Meanwhile utilizing the good of honeycomb air layer
Good heat preservation property, reduces the thickness requirement of insulating layer, then reduces the overall weight of floating roof.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of low-loss heat accumulation water body flexible floating roof of the present invention；
Fig. 2 is the structural schematic diagram of honeycomb flexible membrane layer；
Fig. 3 is the arrangement schematic diagram of population and automatic exhaust steam valve in floating roof transparent flexible film layer；
Fig. 4 is the arrangement schematic diagram of population and water body exhaust pipe in floating roof black flexible film layer.
In figure: 1 honeycomb flexible membrane layer, 2 insulating layers, 3 high-temperature flexible film layers, 4 populations, 5 automatic exhaust steam valves, 6 water bodys
Exhaust pipe, 7 water bodys, 8 fixing bolts, 9 compacting cylinders, 10 transparent flexible film layers, 11 black flexible film layers, 12 air layers.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and detailed description.
As shown in Figure 1, the flexible floating roof specifically includes that honeycomb flexible membrane layer 1, insulating layer 2, high-temperature flexible film
Layer 3, population 4, automatic exhaust steam valve 5, water body exhaust pipe 6, fixing bolt 8, and compacting cylinder 9.The flexible floating roof is from upper
Honeycomb flexible membrane layer 1, insulating layer 2 and high-temperature flexible film layer 3 are followed successively by under and.It is soft that automatic exhaust steam valve 5 is fixed on honeycomb
In property film layer 1；The bottom of population 4 is fixed in high-temperature flexible film layer 3, and honeycomb flexible membrane layer 1 is fixed at the top of population 4
On；One end of water body exhaust pipe 6 is fixed in high-temperature flexible film layer 3, and the other end is fixed on 4 side wall of population.Utilize fixation
Bolt 8 and compacting cylinder 9, honeycomb flexible membrane layer 1 and high-temperature flexible film layer 3 are fixed on the soil around heat accumulation tank.
As shown in Fig. 2, the top of honeycomb flexible membrane layer 1 is transparent flexible film layer 10, bottom is black flexible film layer 11,
Central filler air layer 12.
As shown in figure 3, population 4 and automatic exhaust steam valve 5 are evenly distributed in floating roof, the quantity of population 4 is at least 2.
The quantity of automatic exhaust steam valve 5 is selected according to the valve characteristic of automatic capacity and automatic exhaust steam valve.
As shown in figure 4, one end that water body exhaust pipe 6 is connected with high-temperature flexible film layer 3 is lower than water body exhaust pipe 6 and people
One end that mouth 4 is connected, are conducive to the discharge of 7 gas of water body.
In implementation process, water body 7 is filled in heat accumulation tank first, then high-temperature flexible film layer 3 is laid in water body 7
On, four sides of high-temperature flexible film layer 3 are fixed on the soil around heat accumulation tank, due to the buoyancy of water, can carry high temperature resistant
The weight of flexible membrane layer 3.Then, it is punched in high-temperature flexible film layer 3, and water body exhaust pipe 6 is welded on high-temperature flexible
In film layer 3.Meanwhile population 4 being installed in high-temperature flexible film layer 3, population 4 can also be fixed on resistance to height by welding
In warm flexible membrane layer 3.It will be on the side wall of the other end insertion population 4 of water body exhaust pipe 6.Then, insulating layer 2 is laid in resistance to height
In warm flexible membrane layer 3, the thickness of insulating layer 2 should be calculated according to heat transfer limit value, the suitable adaptation to local conditions selection of thermal insulation material, can be with
For vermiculite, benzene plate etc..On this basis, honeycomb flexible membrane layer 1 is laid on insulating layer 2, and by automatic exhaust steam valve 5 and people
The top of mouth 4 is welded in honeycomb flexible membrane layer 1.Honeycomb flexible membrane layer 1 and high-temperature flexible film layer 3 pass through fixed spiral shell
Bolt 8 and compacting cylinder 9 are fixed on the soil around heat accumulation tank.Honeycomb flexible membrane layer 1 should be prefabricated components, at the scene directly
Installation.
To be lauched inspection convenient for personnel, population 4 should be set, generally require two divers while being lauched operation, in peace
It is complete to consider, 2 populations are at least set.
Working principle of the present invention are as follows:
When transparent flexible film layer 10 of the solar energy irradiation through 1 top of honeycomb flexible membrane layer, honeycomb flexible membrane layer
The black flexible film layer 11 of bottom absorbs solar energy, improves the temperature of black flexible film layer 11.The air of honeycomb flexible membrane layer 1
Layer 12 forms free convection in each cellular space, but since air has good heat preservation property, black is soft
The temperature of property film layer 11 will be much higher than outside ambient air temperature.Higher 11 temperature of black flexible film layer, reduces insulating layer 2
The temperature difference of lower surface and upper surface, to reduce the heat waste by flexible floating roof structure.Even if during no solar irradiation,
Due to the good heat preservation property of air, it is also possible that the temperature of black flexible film layer 11 is higher than ambient temperature, same energy
The temperature difference of insulating layer 2 lower surface and upper surface is enough reduced, to reduce the heat waste for passing through flexible floating roof structure.
When water temperature variation, with gas evolution phenomenon in water body, in order to which evacuation of air, holding are rationally pressed as early as possible
Power, avoid high-temperature flexible film layer 3 bear excessive pressure and it is damaged, water body exhaust pipe 6 is installed in high-temperature flexible film layer 3,
Gas is entered in population by water body exhaust pipe 6, and excessive gas outwardly is discharged in environment.In addition, during construction and installation,
The insulating layer 2 of flexible floating roof can have excessive air, and when gas pressure is excessive in insulating layer 2, automatic exhaust steam valve 5 can be excluded
Excessive air maintains pressure balance.
The present invention has the advantages that
The heat waste at the top of heat accumulation tank can be effectively reduced in low-loss heat accumulation water body flexible floating roof of the invention, to improve whole
The quantity of heat storage of a heat accumulation tank.Meanwhile using water body exhaust pipe and automatic exhaust steam valve, gas pressure in balance system, avoid by
The film layer caused by pressure imbalance is destroyed, it is ensured that floating roof structure can work normally.Meanwhile utilizing the good of honeycomb air layer
Good heat preservation property, reduces the thickness requirement of insulating layer, then reduces the overall weight of floating roof.
Claims (4)
1. a kind of low-loss heat accumulation water body flexible floating roof, it is characterised in that: the low-loss heat accumulation water body flexible floating roof is main
It include: honeycomb flexible membrane layer (1), insulating layer (2), high-temperature flexible film layer (3), population (4), automatic exhaust steam valve (5), water body
Exhaust pipe (6), fixing bolt (8) and compacting cylinder (9)；The low-loss heat accumulation water body flexible floating roof is followed successively by from top to bottom
Honeycomb flexible membrane layer (1), insulating layer (2) and high-temperature flexible film layer (3)；Automatic exhaust steam valve (5) is fixed on honeycomb flexibility
In film layer (1)；The bottom of population (4) is fixed on high-temperature flexible film layer (3), and it is soft to be fixed on honeycomb at the top of population (4)
In property film layer (1)；One end of water body exhaust pipe (6) is fixed on high-temperature flexible film layer (3), water body exhaust pipe (6) it is another
End is fixed on population (4) side wall；Honeycomb flexible membrane layer (1) and high-temperature flexible film layer (3) by fixing bolt (8) and are pressed
Real cylinder (9) is fixed on the soil around heat accumulation tank.
2. low-loss heat accumulation water body flexible floating roof described in accordance with the claim 1, it is characterised in that: the honeycomb flexible membrane
The top of layer (1) is transparent flexible film layer (10), and bottom is black flexible film layer (11), central filler air layer (12).
3. low-loss heat accumulation water body flexible floating roof described in accordance with the claim 1, it is characterised in that: the water body exhaust pipe
(6) one end being connected with high-temperature flexible film layer (3) is lower than one end that water body exhaust pipe (6) are connected with population (4), with benefit
In the discharge of water body (7) gas.
4. low-loss heat accumulation water body flexible floating roof described in accordance with the claim 1, it is characterised in that: the quantity of population (4) is at least
It is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611050459.8A CN107032000B (en) | 2016-11-23 | 2016-11-23 | A kind of low-loss heat accumulation water body flexible floating roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611050459.8A CN107032000B (en) | 2016-11-23 | 2016-11-23 | A kind of low-loss heat accumulation water body flexible floating roof |
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| Publication Number | Publication Date |
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| CN107032000A CN107032000A (en) | 2017-08-11 |
| CN107032000B true CN107032000B (en) | 2019-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611050459.8A Active CN107032000B (en) | 2016-11-23 | 2016-11-23 | A kind of low-loss heat accumulation water body flexible floating roof |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108455103B (en) * | 2018-03-15 | 2023-11-24 | 樊建华 | Heat-storage pool floating heat-insulating cover with wind resistance, rain resistance and dehumidification functions |
| CN108458617B (en) * | 2018-03-15 | 2024-02-27 | 樊建华 | Microchannel exhaust and drainage device for large-volume heat storage pool |
| CN114279094B (en) * | 2021-12-29 | 2023-06-06 | 中国科学院电工研究所 | Joggle type heat-preservation bearing type long-period solar cross-season heat storage water body top cover and manufacturing method thereof |
| CN114379940B (en) * | 2022-01-12 | 2023-03-31 | 中国科学院电工研究所 | Large-scale heat storage water body top cover active rain drainage system and control method thereof |
| CN116767710B (en) * | 2023-08-21 | 2023-11-14 | 山东港源管道物流有限公司 | Floating bin inspection system for storage tank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201012819Y (en) * | 2007-01-18 | 2008-01-30 | 杨诗模 | Fully-flexible diaphragm type floating roof |
| CN201610287U (en) * | 2010-03-19 | 2010-10-20 | 郑州华中环境科技开发有限公司 | Split-level reinforced film type flexible floating roof |
| CN202609383U (en) * | 2012-06-18 | 2012-12-19 | 南通水山环保设备有限公司 | Flexible floating roof for desalted water tank |
| CN206231899U (en) * | 2016-11-23 | 2017-06-09 | 中国科学院电工研究所 | A kind of low-loss heat accumulation water body flexible floating roof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030042256A1 (en) * | 2001-09-05 | 2003-03-06 | Johnson Burton M. | Floating cover |
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2016
- 2016-11-23 CN CN201611050459.8A patent/CN107032000B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201012819Y (en) * | 2007-01-18 | 2008-01-30 | 杨诗模 | Fully-flexible diaphragm type floating roof |
| CN201610287U (en) * | 2010-03-19 | 2010-10-20 | 郑州华中环境科技开发有限公司 | Split-level reinforced film type flexible floating roof |
| CN202609383U (en) * | 2012-06-18 | 2012-12-19 | 南通水山环保设备有限公司 | Flexible floating roof for desalted water tank |
| CN206231899U (en) * | 2016-11-23 | 2017-06-09 | 中国科学院电工研究所 | A kind of low-loss heat accumulation water body flexible floating roof |
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