CN204513800U - The heat exchange of heat pipe of the moisture roadbed frost damage disaster in the cold district of control - Google Patents
The heat exchange of heat pipe of the moisture roadbed frost damage disaster in the cold district of control Download PDFInfo
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- CN204513800U CN204513800U CN201520055895.9U CN201520055895U CN204513800U CN 204513800 U CN204513800 U CN 204513800U CN 201520055895 U CN201520055895 U CN 201520055895U CN 204513800 U CN204513800 U CN 204513800U
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- heat pipe
- roadbed
- moisture
- condensation heat
- collecting box
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
A kind of heat exchange of heat pipe preventing and treating the moisture roadbed frost damage disaster in cold district, it is characterized in that it comprises upper header (3), lower collecting box (1) and condensation heat pipe (4), described upper header (3) is connected by many bundle pipes (2) with lower collecting box (1), and described condensation heat pipe (4) is connected with upper header (3); Described upper header (3), lower collecting box (1) and bundle pipes (2) are arranged in the incubator (7) having at least one side to adopt the good glass casing (9) of light transmission to make, and surrounding and the bottom of incubator (7) add insulation material; Be provided with auxiliary electrical heater rod (6) in described lower collecting box (1), described condensation heat pipe (4) inserts roadbed from the side of moisture roadbed, and ensures that the condensation heat section of condensation heat pipe (4) is upper, and evaporation endothermic section is in lower layout.The utility model is simple and reliable, effectively can prevent the generation of roadbed frost damage phenomenon, guarantee traffic safety.
Description
Technical field
The utility model relates to a kind of road anti-freeze expansion technology, the maintenance technology of the moisture roadbed of especially a kind of extremely frigid zones, specifically a kind of cluster type Cryo Heat Tube preventing and treating the moisture roadbed frost damage disaster in cold district.
Background technology
The protection in winter in cold district's seasonal frozen ground subgrade (comprising: railway, highway subgrade, power transmission and transformation column foot etc.) is at present mostly to be derived by the heat of underground in time and dissipates, and prevents the sedimentation producing roadbed because of the thawing of frozen soil, ensures the firm of roadbed.Now, the Cryo Heat Tube adopted contains evaporation endothermic section, adiabatic section and condensation heat section, general by the evaporation endothermic section of heat pipe, the degree of depth that insertion underground, adiabatic section is certain, the condensation heat section of heat pipe is placed in air, such as in the winter time, when atmospheric temperature is once lower than subsurface temperature, heat pipe is started working, its evaporation endothermic section absorbs the heat of underground, by the phase-change heat transfer of intraductal working medium, heat is reached the condensation heat section heat radiation of heat pipe in air, simultaneously, gaseous working medium is condensed into liquid and relies on gravity reflux to evaporation endothermic section, continue heat absorption evaporation, continuously the heat of underground is derived, stop the rising of subsurface temperature, roadbed is made to be in frozen state for a long time, effectively prevent seasonal frozen ground subgrade generation thaw collapse, ensure the firm of roadbed.
But, in the subgrade soil containing certain moisture, when temperature can be freezed lower than when 0 DEG C, can there is frost heaving in subgrade soil, cause road bed upwardly thereupon, or form heaving etc., the direct safety affecting roadbed, for this frost heave disaster, same needs prevents and treats, promote road speed and transport capacity to greatest extent, guarantee traffic safety.But it is not yet seen the report successfully preventing and treating roadbed frost damage disaster.
Summary of the invention
The purpose of this utility model lacks effective frozen prevention measures to high and cold moisture roadbed for current and affect the problem of traffic safety, invents a kind of method of preventing and treating the moisture roadbed frost damage disaster in cold district, provides a kind of corresponding cluster type Cryo Heat Tube simultaneously.
The technical solution of the utility model is:
A kind of heat exchange of heat pipe preventing and treating the moisture roadbed frost damage disaster in cold district, it is characterized in that it comprises upper header 3, lower collecting box 1 and condensation heat pipe 4, described upper header 3 is connected by many bundle pipes 2 with lower collecting box 1, and described condensation heat pipe 4 is connected with upper header 3; Described upper header 3, lower collecting box 1 and bundle pipes 2 are arranged in the incubator 7 of glass casing 9 making having at least one side to adopt light transmission good, and surrounding and the bottom of incubator 7 add insulation material; Be provided with auxiliary electrical heater pipe 6 in described lower collecting box 1, described condensation heat pipe 4 inserts roadbed from the side of moisture roadbed, and ensures that the condensation heat section of condensation heat pipe 4 is upper, and evaporation endothermic section is in lower layout.
Described condensation heat pipe 4 is connected with the middle part of upper header 3.
The outer tube diameter d of described bundle pipes 2 is 25≤d≤89mm, and the centre-to-centre spacing S of adjacent two pipes is 1.5d≤S≤2d; The volume V1 of upper header 3, the volume V2 of lower collecting box 1 meets: V2/V1=1.0 ~ 3.5.
The upper surface of described incubator 7, towards the sun, adopts glass plate to do light transmission sealing.
The condensation heat section of described condensation heat pipe 4 adopts single Zhi Guangguan or straight fins pipe.
Described condensation heat pipe 4 tilts to insert horizontal sextant angle >=5 ° with ground in roadbed soil layer.
Solar energy heating of the present utility model and auxiliary electrical heater are taked to automatically switch, realize complementary, long-acting, uninterruptedly heat.
The beneficial effects of the utility model:
1, adopt Cryo Heat Tube as high-performance heat transfer components, its evaporation endothermic section is cluster type communicating pipe row, greatly adds the absorption area of solar radiant heat;
2, for the environmental condition of the irradiation of discontinuity sunlight, radiant heat deficiency, have employed auxiliary electrical heater.Solar energy heating and auxiliary electrical heater are taked to automatically switch, realize complementary, long-acting, uninterruptedly heat;
3, determine form and the geometry of condensation heat Duan Weidan Zhi Guangguan or straight fins pipe, be easy to be inserted into roadbed, facilitate site operation;
4, determine rational inclined installation angle, guarantee that inside heat pipe working medium relies on gravity to carry out Natural Circulation, without the need to additionaling power.
Accompanying drawing explanation
Fig. 1 is the structural representation of cluster type Cryo Heat Tube of the present utility model.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the structural representation of the part fin on condensation heat pipe of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment one.
As Figure 1-3.
A kind of method of preventing and treating the moisture roadbed frost damage disaster in cold district, it by installing the T-shaped cluster type solar low-temperature heat pipe that solar energy or electric energy heat can be imported in ground in roadbed, when environment temperature lower than 0 degree Celsius constantly, rise after having the solar time to make the working medium of Cryo Heat Tube evaporator section absorb heat and be transmitted to the condensation segment of Cryo Heat Tube, the condensation segment of Cryo Heat Tube is transmitted to after not having the solar time to make the working medium of evaporator section heat up by electrical heating, being imported in moisture roadbed by heat by condensation segment makes the temperature of moisture roadbed be greater than freezing temperature, working medium after release heat returns evaporator section under gravity and absorbs heat, periodic duty like this, the temperature of moisture roadbed is remained on freezing temperature thus prevents the generation of roadbed frost damage disaster.
Cryo Heat Tube of the present utility model is primarily of evaporation endothermic section and condensation heat section composition.Wherein evaporation endothermic section employing upper header pipe, lower collecting box pipe and some bundle pipes connect into arrange communicating pipe and arrange in cluster type, and in T font structure, as shown in Figure 1, wherein bundle pipes and up and down box-shaped become T-shaped one horizontal, and condensation heat pipe forms T-shaped one and erects.Described bundle pipes outer tube diameter d is 25≤d≤89mm, and the centre-to-centre spacing S of adjacent two pipes is 1.5d≤S≤2d; Wherein upper header pipe volume V1, lower collecting box pipe volume V2, V2/V1=1.0 ~ 3.5.Described condensation heat section can adopt single Zhi Guangguan or straight fins pipe (shape can be any one shown in Fig. 3), and is communicated with in the middle part of the upper header pipe of evaporation endothermic section, forms the closed circulation of working medium evaporation and condensation in heat pipe.The utility model utilizes solar radiation as thermal source, the evaporation endothermic section of heat pipe absorbs the radiations heat energy of the sun, intraductal working medium heating and gasifying is transferred to condensation heat section, working medium is through condensation heat, by tube wall and fin, heat is imported in subgrade soil, make it not occur or alleviate frost heaving, thus reach the object of preventing and treating frost heave disaster.
In addition, according to local natural environmental condition, in the region or the time period (as cloudy day or evening) that do not have enough sunlight, in the lower collecting box pipe of evaporation endothermic section, install auxiliary electrical heater pipe additional, heat is imported soil by recycling heat pipe.Solar energy heating and auxiliary electrical heater are taked to automatically switch, realize complementary, long-acting, uninterruptedly heat.
Simultaneously, because cold district wild environment is severe, dust storm is larger, must be positioned in thermal-insulating body the evaporation endothermic section be in atmospheric environment, the upper surface of thermal-insulating body is towards the sun, and the preferential glass plate that adopts does light transmission box sealing, and surrounding and the bottom of thermal-insulating body are incubated, to reduce radiation loss, improve the utilization rate of solar energy.Solar energy heating of the present utility model and auxiliary electrical heater can be made to take to automatically switch by suitable electrical equipment, realize complementary, long-acting, uninterruptedly heat.
The mounting means of T-shaped cluster type solar low-temperature heat pipe of the present utility model is: tilt to insert roadbed by condensation heat section, and guarantee that condensation heat release section is higher than evaporation endothermic section, with horizontal sextant angle >=5 ° on ground, evaporation endothermic section is placed in together with incubator the position receiving sunshine of trying one's best more, accepts sunlight.
Embodiment two.
As Figure 1-3.
A kind of heat exchange of heat pipe preventing and treating the moisture roadbed frost damage disaster in cold district, it is T font structure, comprise upper header 3, lower collecting box 1 and condensation heat pipe 4, described upper header 3 is connected by many bundle pipes 2 with lower collecting box 1, and described condensation heat pipe 4 is connected (as Fig. 1) with the middle part of upper header 3; Described upper header 3, lower collecting box 1 and bundle pipes 2 form a T-shaped horizontal stroke, condensation heat pipe 4 forms T-shaped one and erects, described upper header 3, lower collecting box 1 and bundle pipes 2 are arranged in the incubator 7 of glass casing 9 making having at least one side to adopt light transmission good, and surrounding and the bottom of incubator 7 add insulation material; In described lower collecting box 1, auxiliary electrical heater pipe 6 is installed, described condensation heat pipe 4 inserts roadbed from the side of moisture roadbed, and ensure that the condensation heat section of condensation heat pipe 4 is upper, evaporation endothermic section is in lower layout, with horizontal sextant angle >=5 ° on ground, to ensure that working medium freely refluxes under smoked power effect.The outer tube diameter d of bundle pipes 2 be 25≤d≤89mm, and the centre-to-centre spacing S of adjacent two pipes is 1.5d≤S≤2d; The volume V1 of upper header 3, the volume V2 of lower collecting box 1 meets: V2/V1=1.0 ~ 3.5.The upper surface of described incubator 7, towards the sun, adopts glass plate to do light transmission sealing, as shown in Figure 2.The condensation heat section of described condensation heat pipe 4 adopts single Zhi Guangguan or straight fins pipe, and straight fins 5 can have various structures form, and its cross section is respectively as shown in a, b, c, d, e in Fig. 3, and wherein in e, number of fins is the integral multiple of 2 and is uniformly distributed along the circumference.
When shining upon on bundle pipes 2, its intraductal working medium 8 absorbs heat gasification, and working substance steam is transferred in condensation heat pipe 4, is imported in subgrade soil by heat by the wall of condensation heat pipe 4 and fin 5.As long as along roadbed length direction every suitable spacing inclination insertion one T-shaped cluster type solar low-temperature heat pipe provided by the utility model, effectively can prevent and treat the frost heave disaster of cold district seasonal frozen ground subgrade.
The utility model does not relate to the part prior art that maybe can adopt all same as the prior art and is realized.
Claims (6)
1. the heat exchange of heat pipe of the moisture roadbed frost damage disaster in the cold district of control, it is characterized in that it comprises upper header (3), lower collecting box (1) and condensation heat pipe (4), described upper header (3) is connected by many bundle pipes (2) with lower collecting box (1), and described condensation heat pipe (4) is connected with upper header (3); Described upper header (3), lower collecting box (1) and bundle pipes (2) are arranged in the incubator (7) having at least one side to adopt the good glass casing (9) of light transmission to make, and surrounding and the bottom of incubator (7) add insulation material; Be provided with auxiliary electrical heater rod (6) in described lower collecting box (1), described condensation heat pipe (4) inserts roadbed from the side of moisture roadbed, and ensures that the condensation heat section of condensation heat pipe (4) is upper, and evaporation endothermic section is in lower layout.
2. control according to claim 1 is trembled with fear the heat exchange of heat pipe of the moisture roadbed frost damage disaster in district, it is characterized in that the middle part of described condensation heat pipe (4) and upper header (3) or end are connected.
3. control according to claim 1 is trembled with fear the heat exchange of heat pipe of the moisture roadbed frost damage disaster in district, it is characterized in that the outer tube diameter d of described bundle pipes (2) is 25≤d≤89mm, and the centre-to-centre spacing S of adjacent two pipes is 1.5d≤S≤2d; The volume V1 of upper header (3), the volume V2 of lower collecting box (1) meets: V2/V1=1.0 ~ 3.5.
4. control according to claim 1 is trembled with fear the heat exchange of heat pipe of the moisture roadbed frost damage disaster in district, it is characterized in that the upper surface of described incubator (7) is towards the sun, adopts glass plate to do light transmission sealing.
5. control according to claim 1 is trembled with fear the heat exchange of heat pipe of the moisture roadbed frost damage disaster in district, it is characterized in that the condensation heat section of described condensation heat pipe (4) adopts single Zhi Guangguan or straight fins or spiral fin coil.
6. control according to claim 1 is trembled with fear the heat exchange of heat pipe of the moisture roadbed frost damage disaster in district, it is characterized in that described condensation heat pipe (4) tilts to insert horizontal sextant angle >=5 ° with ground in roadbed soil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520055895.9U CN204513800U (en) | 2015-01-27 | 2015-01-27 | The heat exchange of heat pipe of the moisture roadbed frost damage disaster in the cold district of control |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520055895.9U CN204513800U (en) | 2015-01-27 | 2015-01-27 | The heat exchange of heat pipe of the moisture roadbed frost damage disaster in the cold district of control |
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| CN204513800U true CN204513800U (en) | 2015-07-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596122A (en) * | 2015-01-27 | 2015-05-06 | 江苏中圣压力容器装备制造有限公司 | Method for preventing and controlling freeze-expanded damage to water-containing subgrade in cold region and bunched low-temperature heat pipe |
| CN106996652A (en) * | 2017-03-23 | 2017-08-01 | 南京师范大学 | A kind of winter water pipe anti-freezing type solar water heater |
-
2015
- 2015-01-27 CN CN201520055895.9U patent/CN204513800U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596122A (en) * | 2015-01-27 | 2015-05-06 | 江苏中圣压力容器装备制造有限公司 | Method for preventing and controlling freeze-expanded damage to water-containing subgrade in cold region and bunched low-temperature heat pipe |
| CN106996652A (en) * | 2017-03-23 | 2017-08-01 | 南京师范大学 | A kind of winter water pipe anti-freezing type solar water heater |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200729 Address after: 211511 No. two, No. 108, chemical industry park, Jiangsu, Nanjing Co-patentee after: CHINA RAILWAY QINGHAI-TIBET GROUP Co.,Ltd. Patentee after: Jiangsu Zhongsheng Pressure Vessel Equipment Manufacturing Co.,Ltd. Address before: 211511 No. two, No. 108, chemical industry park, Jiangsu, Nanjing Patentee before: Jiangsu Zhongsheng Pressure Vessel Equipment Manufacturing Co.,Ltd. |