CN204535046U - A kind of snakelike preheating device for gas hydrate slurry body - Google Patents
A kind of snakelike preheating device for gas hydrate slurry body Download PDFInfo
- Publication number
- CN204535046U CN204535046U CN201520155205.7U CN201520155205U CN204535046U CN 204535046 U CN204535046 U CN 204535046U CN 201520155205 U CN201520155205 U CN 201520155205U CN 204535046 U CN204535046 U CN 204535046U
- Authority
- CN
- China
- Prior art keywords
- coiled pipe
- gas hydrate
- hydrate slurry
- slurry body
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a kind of snakelike preheating device for gas hydrate slurry body, comprises coiled pipe, copper bar, flange, channel-section steel, insulation board, clip, base plate; Coiled pipe is serpentine shape; Coiled pipe is provided with six copper bars, coiled pipe and copper bar adopt fillet welding to be connected; Coiled pipe two ends are provided with flange, and the junction between flange is provided with flat shim; Connected by stud, nut between two flanges, stud, nut and flange are separated by insulating bushing; Coiled pipe is fixed on channel-section steel by clip, is also separated by insulation board between coiled pipe and clip and channel-section steel; Channel-section steel welds with base plate, and is strengthened by gusset.The utility model adopts electrically heated method to the dielectric heating in coiled pipe, medium is heated evenly, heating effect is more stable; This device can be used in the technical research of gas hydrate slurry body heat transferring, and provides laboratory sample for the defeated characteristic research of gas hydrate slurry body pipe.
Description
Technical field
The utility model relates to heat transfer, the conveying technology field of gas hydrate slurry body, is mainly used in the defeated experiment closed circuit of non-diagenesis gas hydrates solid state fluidizing exploitation pipe, particularly a kind of snakelike preheating device for gas hydrate slurry body.
Background technology
Gas hydrates are a kind of non-stoichiometric cage compounds, lm
3hydrate can store 150 ~ 180m
3natural gas, gas hydrates be occurring in nature natural gas exist a kind of special shape, there is having a very wide distribution, become the feature that Tibetan scale is large, energy storage density is high.Gas hydrates are mainly distributed in polar region and deep-water slope district, and about 95% is stored in profundal zone, at present, frozen soil and pilot production target area, marine site be diagenesis gas hydrates ore body and many with under cover free gas, step-down, heat injection, injecting and CO can be adopted
2the methods such as displacement are developed; Though be stored in the particulate crack type of deep water shallow-layer, decentralized gas hydrates total amount is large, because shallow, the non-diagenesis of its buried depth, cementing properties are poor, recovery method still belongs to blank.According to other marine sites, the world and China's Gas Hydrate In Sea Areas sampling progress, propose deep water shallow layer gas hydrate solid state fluidizing Green Mining Technology, become controlled natural gas hydrate resources by the uncontrollable non-diagenesis gas hydrates of deep water shallow-layer by ocean-mine, airtight fluidisation, the heterogeneous hoisting system of gas-liquid-solid.According to up-to-date achievement in research, the carbon content in gas hydrates is that more than the twice of organic C storage in all fossil fuels explored out at present, wherein the reserves of deep water gas hydrates are about 100 times of land, and total amount reaches 7.6 × 10
18m
3, and deep sea shallow superficial water compound is based on non-diagenetic water compound, accounts for 85% of sea bottom hydrate total amount.Realize the preheating of non-diagenesis gas hydrate slurry body, the transient flow zone characteristic of researching natural gas hydrate in experiment closed circuit, the solid state fluidizing of the non-diagenesis gas hydrates in ocean is exploited, accumulating and conveying have strategic importance.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of snakelike preheating device for gas hydrate slurry body, realize the preheating of gas hydrate slurry body, reach experiment closed circuit temperature required, to probe into the preheating scheme of gas hydrate slurry body, advance the process of the defeated characteristic research of gas hydrate slurry body pipe.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
For a snakelike preheating device for gas hydrate slurry body, comprise coiled pipe, coiled pipe comprises three straight lengths and two bend loss, and three straight lengths are arranged side by side, and is connected in turn by two bend loss head and the tail, forms serpentine; Each straight length is respectively provided with a copper bar near its end positions; Three straight lengths are fixedly connected at least two channel-section steels be arranged side by side by clip, and straight length and clip are separated by insulation board, are provided with base plate bottom channel-section steel, and channel-section steel and base plate are strengthened by gusset.
Preferably, in technique scheme, coiled pipe two ends are respectively provided with a flange, and between flange, junction is provided with flat shim, and flange is connected with nut screw connection by stud, and stud and being separated by insulating bushing between nut and flange.
Preferably, in technique scheme, six copper bars are connected on coiled pipe by fillet, and are divided into three groups, and wherein, one group is: two copper bars near coiled pipe two ends are connected by wire, and its electrical potential difference is zero; Making two groups is: two copper bars at each bend pipe two ends are connected by wire, and its electrical potential difference is zero.
Preferably, in technique scheme, adopt three-phase electricity to heat coiled pipe, the connection of three-phase electricity is Y connection or star-star-delta connection Y-Y-, and three live wires of three-phase electricity are connected with three groups of copper bars respectively by pressure regulator.
Preferably, in technique scheme, coiled pipe is wrapped with heat-insulation layer.
Preferably, in technique scheme, coiled pipe comprises the steel pipe of a brake forming, and steel pipe surfaces externally and internally is respectively provided with an insulating barrier.
Preferably, in technique scheme, coiled pipe comprises three straight tubes and two 180 ° of bend pipes, and straight tube and bend pipe are for forcing heat exchange steel tube, and surfaces externally and internally is respectively provided with an insulating barrier, and straight tube and bend pipe are by being welded to connect.
Compared with prior art, the beneficial effects of the utility model are:
The snakelike preheating device for gas hydrate slurry body that the utility model provides, adopt electrically heated mode, directly coiled pipe is energized, coiled pipe produces heat, medium in coiled pipe is heated, adopt the method to the dielectric heating in coiled pipe, medium is heated evenly, heating effect is more stable.In addition, coiled pipe is wrapped with heat-insulation layer, and the medium temperature making to utilize the utility model to heat is more constant, and heat radiation is few, and energy consumption is little.Because the utility model adopts Electric heating, temperature-controllable, can be used in the preheating of gas hydrate slurry body, can be used in the technical research of gas hydrate slurry body heat transferring, and provide laboratory sample for the defeated characteristic research of gas hydrate slurry body pipe, advance the process of the defeated characteristic research of gas hydrate slurry body pipe.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is coiled pipe scheme of installation of the present utility model;
Fig. 3 is coiled pipe part-structure schematic diagram of the present utility model.
Wherein: 1-coiled pipe, 11-straight length, 12-bend loss, 13-insulating barrier, 2-copper bar, 3-flange, 31-flat shim, 32-stud, 33-nut, 34-insulating bushing, 4-channel-section steel, 41-clip, 42-insulation board, 43-base plate, 44-gusset.
Detailed description of the invention
As Figure 1-3, the snakelike preheating device for gas hydrate slurry body that the utility model provides, comprises coiled pipe 1, coiled pipe 1 comprises three straight lengths 11 and two bend loss 12, three straight lengths 11 are arranged side by side, and are connected in turn by two bend loss 12 head and the tail, form serpentine; Each straight length 11 is respectively provided with a copper bar 2 near its end positions; Three straight lengths 11 are fixedly connected on two channel-section steels be arranged side by side 4 by clip 41, and straight length 11 and clip 41 are separated by insulation board 42, are provided with base plate 43 bottom channel-section steel 4, and channel-section steel 4 and base plate 43 are strengthened by gusset 44; Coiled pipe 1 two ends are respectively provided with a flange 3, and flange 3 junctions are provided with flat shim 31, and flange 3 is connected by stud 32 and nut 33, and stud 32 and being separated by insulating bushing 34 between nut 33 and flange 3, when preventing electrical heating, external equipment is charged, causes electric shock accidents; Wherein, coiled pipe 1 is wrapped with heat-insulation layer, to ensure the external world of the heat not easy heat radiation produced, reduces energy consumption.
In the above-described embodiments, preferably, six copper bars 2 are connected on coiled pipe 1 by fillet, and are divided into three groups, and wherein, one group is: two copper bars 2 near coiled pipe 1 two ends are connected by wire, and its electrical potential difference is zero; Another two groups are: two copper bars 2 at each bend pipe two ends are connected by wire, and its electrical potential difference is zero.Adopt three-phase electricity to heat coiled pipe 1 in present embodiment, the connection of three-phase electricity is Y connection or star-star-delta connection Y-Y-, selects Y connection in present embodiment; Three live wires of three-phase electricity are connected with three groups of copper bars 2 respectively by pressure regulator, and pressure regulator plays transformer action, by this pressure regulator can transformation to device required voltage.
As one preferred embodiment, what coiled pipe 1 comprised a brake forming forces heat exchange steel tube, and steel pipe surfaces externally and internally is respectively provided with an insulating barrier 13.
As one preferred embodiment, coiled pipe 1 comprises three straight tubes and two 180 ° of bend pipes, and straight tube and bend pipe are for forcing heat exchange steel tube, and surfaces externally and internally is respectively provided with an insulating barrier 13, and straight tube and bend pipe are by being welded to connect.
Above-mentioned embodiment is intended to illustrate that the utility model can be professional and technical personnel in the field and realizes or use; modifying to above-mentioned embodiment will be apparent for those skilled in the art; therefore the utility model includes but not limited to above-mentioned embodiment; any these claims or description of meeting describes; meet and principle disclosed herein and novelty, the method for inventive features, technique, product, all fall within protection domain of the present utility model.
Claims (7)
1., for a snakelike preheating device for gas hydrate slurry body, it is characterized in that, comprise coiled pipe, described coiled pipe comprises three straight lengths and two bend loss, three described straight lengths are arranged side by side, and are connected in turn by bend loss head and the tail described in two, form serpentine; Straight length described in each is respectively provided with a copper bar near its end positions; Three described straight lengths are fixedly connected at least two channel-section steels be arranged side by side by clip, and described straight length and described clip are separated by insulation board, are provided with base plate bottom described channel-section steel, and described channel-section steel and described base plate are strengthened by gusset.
2. a kind of snakelike preheating device for gas hydrate slurry body according to claim 1, it is characterized in that, described coiled pipe two ends are respectively provided with a flange, between described flange, junction is provided with flat shim, described flange is connected with nut screw connection by stud, and described stud and being separated by insulating bushing between described nut and described flange.
3. a kind of snakelike preheating device for gas hydrate slurry body according to claim 1, it is characterized in that, six described copper bars are connected on described coiled pipe by fillet, and be divided into three groups, wherein, one group is: two described copper bars near described coiled pipe two ends are connected by wire, and its electrical potential difference is zero; Another two groups are connected by wire for copper bar described in two of: bend pipe two ends described in each, and its electrical potential difference is zero.
4. a kind of snakelike preheating device for gas hydrate slurry body according to claim 3, it is characterized in that, three-phase electricity is adopted to heat described coiled pipe, the connection of described three-phase electricity is Y connection or delta connection, and three live wires of described three-phase electricity are connected with copper bar described in three groups respectively by pressure regulator.
5. a kind of snakelike preheating device for gas hydrate slurry body according to any one of claim 1-4, it is characterized in that, described coiled pipe is wrapped with heat-insulation layer.
6. a kind of snakelike preheating device for gas hydrate slurry body according to claim 5, it is characterized in that, described coiled pipe comprises the steel pipe of a brake forming, and described steel pipe surfaces externally and internally is respectively provided with an insulating barrier.
7. a kind of snakelike preheating device for gas hydrate slurry body according to claim 5, it is characterized in that, described coiled pipe comprises three straight tubes and two 180 ° of bend pipes, described straight tube and described bend pipe are for forcing heat exchange steel tube, and surfaces externally and internally is respectively provided with an insulating barrier, described straight tube and described bend pipe are by being welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520155205.7U CN204535046U (en) | 2015-03-18 | 2015-03-18 | A kind of snakelike preheating device for gas hydrate slurry body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520155205.7U CN204535046U (en) | 2015-03-18 | 2015-03-18 | A kind of snakelike preheating device for gas hydrate slurry body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204535046U true CN204535046U (en) | 2015-08-05 |
Family
ID=53749039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520155205.7U Expired - Fee Related CN204535046U (en) | 2015-03-18 | 2015-03-18 | A kind of snakelike preheating device for gas hydrate slurry body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204535046U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697152A (en) * | 2015-03-18 | 2015-06-10 | 西南石油大学 | Natural gas hydrate slurry serpentine preheating device |
| CN108731522A (en) * | 2018-06-12 | 2018-11-02 | 张顺 | A kind of pharmaceutical purpose spiral heat exchanger |
-
2015
- 2015-03-18 CN CN201520155205.7U patent/CN204535046U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697152A (en) * | 2015-03-18 | 2015-06-10 | 西南石油大学 | Natural gas hydrate slurry serpentine preheating device |
| CN108731522A (en) * | 2018-06-12 | 2018-11-02 | 张顺 | A kind of pharmaceutical purpose spiral heat exchanger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101688442B (en) | Molten salt as a heat transfer fluid for heating a subsurface formation | |
| CN102948009A (en) | Continuous dipole antenna | |
| CN204535046U (en) | A kind of snakelike preheating device for gas hydrate slurry body | |
| EA014760B1 (en) | System and method for heating subsurface formation | |
| CN102948010A (en) | Diaxial power transmission line for continuous dipole antenna | |
| CN106761636B (en) | Vortex heater for deep oil shale in-situ exploitation | |
| CN201992259U (en) | Skin effect heat tracing system of condensing medium transfer pipeline | |
| CN104565592A (en) | Heat tracing turbulent layer fluidized drag-reducing flow conveying pipe and method thereof | |
| CN103717968A (en) | Steam generation | |
| US11441719B2 (en) | Method and device for induction heating of an inner pipe of an assembly of coaxial pipes | |
| CN202746948U (en) | Electromagnetic viscosity-reduction electric-heating device | |
| CN201206695Y (en) | Interior heating polyurethane foam jacket pipe | |
| CN203824109U (en) | Thermochemical energy storage testing device | |
| CN209909407U (en) | Graphene heating insulation sleeve for oil field petroleum gathering and transportation pipeline | |
| CN103306654A (en) | Underground on-site electromagnetic compound heating method of oil shale | |
| CN102078994A (en) | Tin soldering heater for superconducting conductor joint | |
| CN104697152A (en) | Natural gas hydrate slurry serpentine preheating device | |
| CN105115336A (en) | Molten salt thermal storage heater | |
| CN206380112U (en) | A kind of high-temperature ignition cable | |
| CN201969979U (en) | Heater for soldering joint of superconducting conductor | |
| CN213480607U (en) | Multi-tube-bundle efficient heating device | |
| CN205297703U (en) | Thermoelectric conversion of on -vehicle pulsation heat pipe system for automobile exhaust waste heat recovery utilizes | |
| CN111156580B (en) | Phase change heat storage floor structure capable of enhancing heat exchange and construction method thereof | |
| CN204532313U (en) | The pre-thermo-electric heaters of a kind of deep layer oil-sand oil reservoir | |
| CN104790929A (en) | Electric preheating device for deep oil sand oil reservoir |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20180318 |