CN107420652A - Diplopore thermal pipe arranged side by side - Google Patents
Diplopore thermal pipe arranged side by side Download PDFInfo
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- CN107420652A CN107420652A CN201710916311.6A CN201710916311A CN107420652A CN 107420652 A CN107420652 A CN 107420652A CN 201710916311 A CN201710916311 A CN 201710916311A CN 107420652 A CN107420652 A CN 107420652A
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- pipe
- tube wall
- pore
- diplopore
- interface
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
- F16L9/19—Multi-channel pipes or pipe assemblies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
- F16L41/021—T- or cross-pieces
Abstract
The present invention relates to a kind of diplopore thermal pipe arranged side by side, it is related to heat distribution pipe network engineering, more particularly to a kind of tubing and accessory of heat distribution pipe network.Diplopore thermal pipe section arranged side by side forms the pore of two horizontal alignments, outside sets heat-insulation layer, and two pore basal areas are equal, are used separately as the feed pipe and return pipe of heat distribution pipe network by setting dividing plate among the tube wall of ellipse.The sectional area of pore is identical with the pipe of same specification nominal diameter, can be on the premise of feed pipe and return pipe cross-sectional area be ensured, reduce pipe laying width, the underground space is saved, be advantageous to the laying of underground utilities, groove volume of earthwork is reduced, lifting pipeline, positioning workload are also less compared with prior art in construction；The external surface area of tube wall is small compared with two pipes of prior art, can efficiently reduce heat energy loss, saves the energy；All two-tube few compared with prior art, the saving material of the rolled steel dosage and external thermal insulation of steel tube coupling.
Description
Technical field
The present invention relates to a kind of diplopore thermal pipe arranged side by side, it is related to heat distribution pipe network engineering, more particularly to the one of heat distribution pipe network
Kind tubing and accessory.
Background technology
The medium that city thermal pipe network uses mainly has two kinds of steam and hot water.《Urban heating design of pipe networks specification》（CJJ
34-2010）Regulation, " when production technology thermic load is main loads, and must use steam heating, should be supplied using steam
Thermal medium；When disclosure satisfy that production technology needs by heating medium of water（It is included at user and is converted to steam）, and technology passes through
When helping reasonable, heating medium should be made using water ".Prior art is used for urban heating, ventilation, the heat distribution pipe network of air-conditioning thermic load
For medium based on hot water, heat distribution pipe network form uses enclosed Double tube, i.e., from steam power plant or branch line thermal substation by pipeline to
Family heat supply, sends steam power plant back to after heat exchange or branch line thermal substation is heated again, and thermal pipe is made up of two pipelines, one
For feed pipe, water temperature is usually 95 DEG C or so, and another is return pipe, and 70 DEG C or so of water temperature, two pipelines are laid side by side.
When heat distribution pipeline is laid, because joint weld, interface heat-insulation layer make the certain space of needs, two pipelines
Between to leave certain spacing, heat distribution pipeline carries heat-insulation layer, and therefore, heat distribution pipeline lays the width of occupancy under urban road
Spend larger.The various pipelines laid under urban road have corresponding pitch requirements,《Code for comprehensive planning of urban engineering pipeline》（GB
50289-2016）The minimum level clear distance 1.5m of regulation, thermal pipe and water supply and sewerage pipeline, away from power pipeline minimum level clear distance
2.0m.When limited by factors such as road width, section and present situation utilities pipeline positions be difficult to satisfaction and require when, can be according to reality
Situation is reduced after taking safety measures.In urban road comprehensive pipeline design and construction, the situation for having heat distribution pipeline is run into, respectively
Kind line layout spacing turns into a problem.Two-tube be laid side by side not only takes larger space, channel excavation during pipeline construction
Earth volume is also larger.
The medium temperature of thermal pipe is higher, needs to set heat-insulation layer to reduce heat energy loss, insulation layer thickness is basis
Medium temperature and environment temperature calculate in pipe network, the thickness of the bigger heat-insulation layer of both temperature difference is thicker, in other words same thickness
The temperature difference of heat-insulation layer, medium and environment is bigger, and heat energy loss is also bigger；The bigger heat energy loss of surface area of pipeline is also big, two-tube
Surface area it is larger, corresponding heat energy loss is also big.
The content of the invention
The purpose of the present invention is：There is provided a kind of diplopore thermal pipe arranged side by side, section sets dividing plate by the tube wall centre of ellipse,
The pore of two horizontal alignments is formed, outside sets heat-insulation layer, and two pore basal areas are equal, are used separately as the confession of heat distribution pipe network
Water pipe and return pipe, the sectional area of pore are identical with the pipe of same specification nominal diameter.Its advantage is：It can ensure to supply water
On the premise of pipe and return pipe cross-sectional area, reduce pipe laying width, saved the underground space, be advantageous to applying for underground utilities
If reducing groove volume of earthwork, lifting pipeline, positioning workload are also less compared with prior art in construction；The outer surface of tube wall
Product is small compared with two pipes of prior art, can efficiently reduce heat energy loss, saves the energy；The rolled steel dosage of steel tube coupling and outer guarantor
All two-tube few compared with prior art, the saving material of warm layer.
The present invention is realized by following technology：Diplopore thermal pipe arranged side by side is made up of feed pipe, return pipe, heat-insulation layer,
Mainly include tube coupling 10, separating pipe 20, reducer pipe 30, by-pass tee 40, branch pipe threeway 50.Tube coupling 10 by tube wall 1, median septum 2,
Heat-insulation layer 3 forms, and tube wall 1 is symmetrical in median septum 2, and in horizontal " θ " shape, tube wall 1 and median septum 2 form two levels simultaneously
The pore 4 of row, feed pipe and return pipe are respectively constituted, each pore 4 is that semicircle and a rectangle form by a section, one
The section of pore 4 is in " D " shape.The length of tube coupling 10 is 6~12m, and tube wall 1, median septum 2 use steel, and both ends are provided with tube wall interface 5
With interval plate interface 6, interval plate interface 6 grows tube wall interface 5, and the outer layer of tube wall 1 sets heat-insulation layer 3, the outside nothing of tube wall interface 5
Heat-insulation layer 3.
The clear height DN of described pore 4 is equal to 2 times of radius R of the semicircle of composition pore 4, and the long side of rectangle is equal to 2 sesquialters
Radius of circle R, the short side of rectangle are equal to π/4 times semicircle radius R, and the area of the cross section semicircle of pore 4 is equal to rectangular area, pore 4
The area equation of cross-sectional area and a diameter of DN circles.
Described 10 two pipes of tube coupling are connected docks welding by both sides using welding, interval plate interface 6, forms two sides weld seam 8,
The part of corresponding tube wall interface 5 is welded using interface board 7 with tube wall interface 5, forms outside inconel weld 8, interface board 7 is in horizontal
" u "-shaped, all weld seams of interface use groove welding.
Described separating pipe 20 is the pipe fitting that diplopore is transitioned into two-tube point of tubulation side by side, and separating pipe 20 is in Y-shaped, for double
Hole and tubulation and divide row are two-tube to be connected side by side, tube wall 1 and median septum 2 are formed and tubulation is drifted apart from change as by two independences
Divide the two-tube point of tubulation that tubulation wall 21 is formed, " D " shape pore 4 gradually becomes circle and divides tubulation hole 22, divides cutting for tubulation hole 22
Face is shaped as the circle that diameter is equal to the clear height DN of pore 4, divides the sectional area in tubulation hole 22 to be equal to the sectional area of pore 4, divides tubulation to connect
Mouth 23 is circle.
Described reducer pipe 30 is the pipe fitting that diplopore and tubulation change caliber, and the diplopore that tube wall 1 and median septum 2 are formed is arranged side by side
Pipe passes through 31 gradual reducing of reducing pipe, and undergauge tube wall 32, undergauge median septum 33 form two undergauge pores 34 arranged side by side, undergauge
One end is provided with undergauge tube wall interface 35 and undergauge interval plate interface 36.
Described by-pass tee 40 is the pipe fitting that diplopore and tubulation draw diplopore and tubulation to side, for thermal pipe to one
The threeway of shunt valve is drawn in side, and shunt valve is still diplopore and tubulation.With lead direction identical homonymy shunt valve 41 from homonymy
The side of tube wall 1 of pore 4 draw, the pore 4 of opposite side is from the top of tube wall 1 using communicating pipe 43 and shunt valve 42 of tossing about
Connection is drawn, and homonymy shunt valve 41 and shunt valve 42 of tossing about form two bypass pores 45 arranged side by side with shunt valve median septum 44,
Shunt valve is provided with bypass tube wall interface 46 and shunt valve interval plate interface 47.Shunt valve is drawn from supervisor side, and in supervisor
Heart absolute altitude is identical.
Described branch pipe threeway 50 is the pipe fitting of diplopore and tubulation to two-tube point of tubulation of side branch, for thermal pipe branch
The threeway of user's pipe is connect, user's pipe caliber is smaller, using two-tube point of row form.Two branch pipes 51 draw from the top of tube wall 1 respectively
Go out, guide side into using 90 ° of elbows, the section of branch pipe 51 is circle.Branch pipe is drawn from supervisor top, and branch pipe is higher than supervisor.
The present invention compared with prior art, with the thermal pipe of caliber, can reduce the construction width of pipeline, reduce outer surface
Product, rolled steel dosage is reduced, reduce heat-insulation layer material usage.With DN500 thermal pipe, wall thickness 10mm steel pipe, thickness is incubated
Exemplified by 50mm, common thermal pipe heat-insulation layer external diameter 620mm, two pipe outer wall spacing 200mm, two heating power tube side-by-sides pavings during construction
If construction width is 1440mm, groove is excavated by every side 300mm working width, ditch groove depth 2000mm, groove is per linear meter
Earth volume is 4.08m3.Diplopore and tubulation use same thickness thickness of pipe wall, the heat-insulation layer of same thickness, and construction width is
1022mm, earth volume of the groove per linear meter is 3.25m3, reduce 20.3%.Steel using amount is per two DN500 steel pipe girths of linear meter
3.14m, steel using amount 246.49kg, diplopore and tubulation girth（Containing median septum）2.855m, steel using amount 224.118kg, reduce 9.1%.
Diplopore and tubulation feed pipe and return pipe arranged side by side, the heat of feed pipe pass to the part of return pipe, backwater by median septum
The hot water of pipe reheats circulation, is not related to thermal loss.The external surface area of heat-insulation layer material usage diplopore and tubulation steel pipe is two
The 75% of root steel pipe surface area, therefore thermal loss can be reduced.Simultaneously tubulation heat-insulation layer dosage is two thermal pipe dosages to diplopore
75%.The material usage for making thermal pipe is saved.
Brief description of the drawings
Fig. 1 is horizontal sectional drawing of the present invention；
Fig. 2 is tube coupling drawing in side sectional elevation of the present invention（Fig. 1 A-A profiles）；
Fig. 3 is interface horizontal sectional drawing；
Fig. 4 is separating pipe horizontal sectional drawing；
Fig. 5 is reducer pipe horizontal sectional drawing；
Fig. 6 is by-pass tee stereogram；
Fig. 7 is by-pass tee homonymy shunt valve profile；
Fig. 8 is that by-pass tee is tossed about shunt valve profile；
Fig. 9 is branch pipe threeway stereogram.
In figure：10- tube couplings, 20- separating pipes, 30- reducer pipes, 40- by-pass tees, 50- branch pipe threeways, 1- tube walls, in 2-
Dividing plate, 3- heat-insulation layers, 4- pores, 5- tube wall interfaces, 6- interval plate interfaces, 7- interface boards, 8- weld seams, 9- interface heat-insulation layers, 21-
Divide tubulation wall, 22- divides tubulation hole, and 33- divides tubulation interface, 31- reducing pipes, 32- undergauge tube walls, 33- undergauge median septums, 34- contractings
Footpath pore, 35- undergauge tube wall interfaces, 36- undergauge interval plate interfaces, 41- homonymy shunt valves, 42- toss about shunt valve, 43- connections
Pipe, 44- shunt valve median septums, 45- bypass pores, 46- bypass tube wall interfaces, 47- shunt valve interval plate interfaces, 51- branch pipes.
Embodiment
Diplopore thermal pipe arranged side by side of the present invention includes tube coupling 10, separating pipe 20, reducer pipe 30, by-pass tee 40, branch pipe threeway
50.Tube coupling 10 is main material, and separating pipe 20, reducer pipe 30, by-pass tee 40, branch pipe threeway 50 are to form matching somebody with somebody for heat distribution pipe network
Part.Tube coupling 10 is made up of tube wall 1, median septum 2, heat-insulation layer 3, and tube wall 1 is symmetrical in median septum 2, in horizontal " θ " shape, pipe
Wall 1 and median septum 2 form the pore 4 of two horizontal alignments, respectively constitute feed pipe and return pipe, and each pore 4 is cut by one
Face is semicircle and a rectangle composition, and the section of pore 4 is in " D " shape.The length of tube coupling 10 is 6~12m, and tube wall 1, median septum 2 use
Steel, both ends are provided with tube wall interface 5 and interval plate interface 6, and interval plate interface 6 grows tube wall interface 5, and the outer layer of tube wall 1 is set
Heat-insulation layer 3, the outside of tube wall interface 5 is without heat-insulation layer 3.The horizontal sectional drawing of tube coupling 10 is shown in Fig. 1, and drawing in side sectional elevation is shown in that Fig. 2, Fig. 2 are Fig. 1
A-A profiles.Tube wall interface 5 and interval plate interface 6 construct as can be seen from Figure 1, and interval plate interface 6 grows tube wall interface 5,
It is easy to the joint weld of tube coupling 10.Figure it is seen that tube wall 1 and median septum 2 form the pore 4 of two horizontal alignments, difference structure
Into feed pipe and return pipe, the clear height DN of pore 4 is equal to 2 times of radius R of the semicircle of composition pore 4, and half diameter of a circle is to manage
The clear height DN in hole 4, the long side of rectangle are equal to 2 times of semicircle radius R, i.e. the long side of rectangle is equal to clear height DN, and the short side of rectangle is equal to
π/4 times semicircle radius R, the area equation of the cross-sectional area of pore 4 and a diameter of DN circles, when designing thermal pipe, you can according to public affairs
Diameter DN pipe is claimed to carry out water force.
Tube coupling 10 is made generally in 6~12m of length cut lengths to manufacture, transport, easy for installation, Site Welding into
Heat distribution pipeline.The steel that manufacture tube coupling 10 uses should meet《Urban heating design of pipe networks specification》（CJJ34-2010）Requirement,
According to the diplopore and tubulation of nominal diameter DN manufacture different sizes.According to nominal diameter DN blankings tube wall 1, median septum 2, median septum
2 width is nominal diameter DN, and length is the cut lengths of tube coupling 10；Tube wall 1 is adding according to the girth of mono- pore 4 of Fig. 2
Upper weld seam surplus determines width, and the thickness that the surplus of the welding portion of median septum 2 is 1/3 median septum 2, during the length of tube wall 1 is
The length of dividing plate 2 subtracts the length for the tube wall interface 5 that two interval plate interfaces 6 are grown, generally 1/2 nominal diameter DN, in two
After dividing plate interface 6 docks, there is the gap of nominal diameter or so between the tube wall interface 5 of two pipes, in order to joint weld.It is good down
" u "-shaped is made using pressure coil pipe machine circle in the sheet material of tube wall 1, will enclose two tube walls 1 made and median septum 2 is fixed on automatic welder
On, two tube walls 1 are respectively ridden over 1/3 on median septum 2, and 1/3 median septum 2, overlap joint of the automatic welding machine along three blocks of plates are exposed in centre
Welding, the weld seam of both sides are welded, and detect welding quality using nondestructive inspection, the part of tube wall interface 5 is reserved after meeting the requirements
Heat-insulation layer is made, polyethylene protection is wound outside heat-insulation layer.
During diplopore thermal pipe practical application arranged side by side, using welding, Fig. 3 is interface water at the scene of tube coupling 10 of cut lengths
Flat sectional drawing.Two tube couplings 10 dock, and first weld interval plate interface 6, and interval plate interface 6 docks both sides and uses welding by both sides, forms two
Face weld seam 8, using nondestructive inspection detection welding quality after welding, after meeting the requirements, the part of corresponding tube wall interface 5 uses interface
Plate 7 is welded with tube wall interface 5, and two pieces of interface boards 7 are arranged on into interface, by interface board 7 and tube wall interface 5 and interval plate interface
6 seam crossing welding, forms outside inconel weld 8, using nondestructive inspection detection welding quality after welding.Interface board 7 is in horizontal stroke
The " u "-shaped put, it is to use groove welding with diplopore and the supporting interface accessory of tubulation, all weld seams of interface.Finally in interface
Foam-in-place makes interface heat-insulation layer 9.
Heat distribution pipe network is formed in addition to tube coupling 10, it is also necessary to which matched accessory, the accessory of diplopore thermal pipe arranged side by side include
Separating pipe 20, reducer pipe 30, by-pass tee 40, branch pipe threeway 50.
Separating pipe 20 is that diplopore is transitioned into the pipe fitting of two-tube point of tubulation side by side, thermal substation, heat exchanger feed pipe and
Return pipe, all it is that two form of tubes are respectively adopted, with the present invention's and tubulation is connected, it is necessary to an accessory transition, separating pipe
20 be exactly that the thermal pipe for being used for two pieces points of row is connected with the conversion of diplopore of the present invention and tubulation.Separating pipe 20 is in Y-shaped, for double
Hole and tubulation are connected with two-tube point of tubulation side by side, and tube wall 1 and median septum 2 are formed and tubulation is drifted apart from becoming to be only by two
Vertical to divide what tubulation wall 21 formed to divide tubulation, " D " shape pore 4 gradually becomes circle and divides tubulation hole 22, divides the section in tubulation hole 22
The circle that diameter is equal to the clear height DN of pore 4 is shaped as, divides the sectional area in tubulation hole 22 to be equal to the sectional area of pore 4, divides tubulation interface
23 be circle, i.e., only changing cross sectional shape after diplopore separation does not change area of section.Fig. 4 is the horizontal sectional drawing of separating pipe 20, point
Made from pipe 20 using steel plate, welding fabrication, except interface section sets heat-insulation layer 3.
Heat distribution pipe network under urban road, different calibers is determined according to both sides of the road user situation, in the friendship of road
Prong, thermal pipe may be needed to draw shunt valve to side or both sides, and the possible caliber of the supervisor of rectilinear direction is not required to after extraction
Originally so big, caliber can reduce.Reducer pipe 30 is the pipe fitting that diplopore and tubulation change caliber, tube wall 1 and the structure of median septum 2
Into and tubulation pass through 31 gradual reducing of reducing pipe, undergauge tube wall 32, undergauge median septum 33 form two undergauge pores arranged side by side
34, one end of undergauge is provided with undergauge tube wall interface 35 and undergauge interval plate interface 36.Fig. 5 is the horizontal sectional drawing of reducer pipe 30, gradually
The draw 31 is centered on median septum 2 four circumferential center reducings, and original shape, the section face of undergauge pore 34 are kept after reducing
Product reduces.Reducer pipe 30 is made using steel plate, welding fabrication, except interface section sets heat-insulation layer 3.
Heat distribution pipe network under urban road, there are shunt valve extraction, shunt valve and master as needed in the intersection of road
Pipe is compared, and caliber only reduces one to two ranks, and for some shunt valves it is also possible to being responsible for same caliber, shunt valve is a kind of branch
Supervisor.By-pass tee 40 is the pipe fitting that diplopore and tubulation draw diplopore and tubulation to side, is drawn for thermal pipe to side
The threeway of shunt valve, shunt valve are still diplopore and tubulation.Pore 4 with lead direction identical homonymy shunt valve 41 from homonymy
The side of tube wall 1 draw, the pore 4 of opposite side is drawn using being connected with shunt valve 42 of tossing about communicating pipe 43 from the top of tube wall 1
Go out, described shunt valve 42 of tossing about is exactly that the pore 4 opposite with lead direction is drawn.Homonymy shunt valve 41 and shunt valve of tossing about
42 form two bypass pores 45 arranged side by side with shunt valve median septum 44, and shunt valve is provided with bypass tube wall interface 46 and shunt valve
Dividing plate interface 47.Fig. 6 is the stereogram of by-pass tee 40, and Fig. 7 is by-pass tee homonymy shunt valve profile, and Fig. 8 is by-pass tee
Toss about shunt valve profile.Shunt valve is drawn from supervisor side, identical with the center absolute altitude of supervisor.Homonymy shunt valve 41 is in pore
4 lateral opening holes weld, and shunt valve 42 of tossing about is from the top perforate of the opposite pore 4 of lead direction, by communicating pipe 43 from top
It is connected across tube wall 1, then with shunt valve 42 of tossing about.By-pass tee 40 is made using steel plate, welding fabrication, for sake of clarity figure
6th, Fig. 7, Fig. 8 do not draw heat-insulation layer 3, and by-pass tee 40 can not also set heat-insulation layer, with interface together after welding junction it is live
Make heat-insulation layer.
, it is necessary to draw branch pipe, the pipe of the relative supervisor of branch pipe to the user of both sides of the road in heat distribution pipe network under urban road
Footpath is small, can not use diplopore and tubulation, but use two-tube point of common tubulation form.Branch pipe threeway 50 be diplopore and tubulation to
The pipe fitting of two-tube point of tubulation of side branch, the threeway of user's pipe is connect for thermal pipe branch.Two branch pipes 51 are respectively from tube wall 1
Top is drawn, and guides side into using 90 ° of elbows, the section of branch pipe 51 is circle.Fig. 9 is branch pipe threeway stereogram, two branch pipes
Drawn from supervisor top, branch pipe is higher than supervisor.Branch pipe threeway 50 is made using steel plate, welding fabrication, for sake of clarity Fig. 9 not
Heat-insulation layer 3 is drawn, branch pipe threeway 50 can not also set heat-insulation layer, heat-insulation layer is together made after welding junction with interface.
In addition to above-mentioned accessory, heat distribution pipe network also needs to the accessories such as elbow, telescoping tube.Elbow can refer to tube coupling 1 and be fabricated to need
Short tube of the angle of turn both ends with interface wanted.Diplopore telescoping tube arranged side by side is relatively difficult to achieve, can set at telescoping tube using separation
Pipe 20 is divided into two pipes, and diplopore and tubulation are merged into using the telescoping tube of prior art, then using separating pipe 20.
Claims (7)
1. a kind of diplopore thermal pipe arranged side by side, is made up of feed pipe, return pipe, heat-insulation layer, it is characterized in that：Described thermal pipe is main
Including tube coupling（10）, separating pipe（20）, reducer pipe（30）, by-pass tee（40）, branch pipe threeway（50）, tube coupling（10）By tube wall
（1）, median septum（2）, heat-insulation layer（3）Composition, tube wall（1）It is symmetrical in median septum（2）, in horizontal " θ " shape, tube wall（1）
And median septum（2）Form the pore of two horizontal alignments（4）, respectively constitute feed pipe and return pipe, each pore（4）By one
Section is that semicircle and a rectangle form, a pore（4）Section is in " D " shape；Tube coupling（10）Length is 6~12m, tube wall
（1）, median septum（2）Using steel, both ends are provided with tube wall interface（5）With interval plate interface（6）, interval plate interface（6）Long outlet pipe
Wall interface（5）, tube wall（1）Outer layer set heat-insulation layer（3）, tube wall interface（5）Outside is without heat-insulation layer（3）.
2. diplopore thermal pipe arranged side by side according to claim 1, it is characterized in that：Described pore（4）Clear height DN be equal to group
Into pore（4）Semicircle 2 times of radius R, the long side of rectangle is equal to 2 times of semicircle radius R, and the short side of rectangle is equal to π/4 times
Semicircle radius R, pore（4）The area of cross section semicircle is equal to rectangular area, pore（4）Cross-sectional area and a diameter of DN circles
Area equation.
3. diplopore thermal pipe arranged side by side according to claim 1, it is characterized in that：Described tube coupling（10）Two pipes, which are connected, to be adopted
With welding, interval plate interface（6）Welding by both sides is docked, forms two sides weld seam（8）, corresponding tube wall interface（5）Part use interface
Plate（7）With tube wall interface（5）Welding, form outside inconel weld（8）, interface board（7）In horizontal " u "-shaped, interface owns
Weld seam uses groove welding.
4. diplopore thermal pipe arranged side by side according to claim 1, it is characterized in that：Described separating pipe（20）For diplopore mistake arranged side by side
The pipe fitting to two-tube point of tubulation is crossed, in Y-shaped, tube wall（1）And median septum（2）Form and tubulation is drifted apart from becoming as by two
Independent divides tubulation wall（21）The two-tube point of tubulation formed, " D " shape pore（4）Gradually become circle and divide tubulation hole（22）, point row
Pore（22）Cross sectional shape be equal to pore for diameter（4）Clear height DN circle, divide tubulation hole（22）Sectional area be equal to pore（4）
Sectional area, divide tubulation interface（23）For circle.
5. diplopore thermal pipe arranged side by side according to claim 1, it is characterized in that：Described reducer pipe（30）For diplopore and tubulation
Change the pipe fitting of caliber, tube wall（1）And median septum（2）Form and tubulation passes through reducing pipe（31）Gradual reducing, undergauge tube wall
（32）, undergauge median septum（33）Form two undergauge pores arranged side by side（34）, one end of undergauge is provided with undergauge tube wall interface（35）
With undergauge interval plate interface（36）.
6. diplopore thermal pipe arranged side by side according to claim 1, it is characterized in that：Described by-pass tee（40）It is arranged side by side for diplopore
Pipe draws the pipe fitting of diplopore and tubulation to side, with lead direction identical homonymy shunt valve（41）From the pore of homonymy（4）'s
Tube wall（1）Side draw, the pore of opposite side（4）From tube wall（1）Top use communicating pipe（43）With shunt valve of tossing about
（42）Connection is drawn, homonymy shunt valve（41）With shunt valve of tossing about（42）With shunt valve median septum（44）Form two sides arranged side by side
Road pore（45）, shunt valve, which is provided with, bypasses tube wall interface（46）With shunt valve interval plate interface（47）.
7. diplopore thermal pipe arranged side by side according to claim 1, it is characterized in that：Described branch pipe threeway（50）It is arranged side by side for diplopore
Pipe is to the pipe fitting of two-tube point of tubulation of side branch, two branch pipes（51）Respectively from tube wall（1）Top draw, using 90 ° of elbows
Guide side, branch pipe into（51）Section for circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710916311.6A CN107420652B (en) | 2017-09-30 | 2017-09-30 | Diplopore thermal pipe arranged side by side |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710916311.6A CN107420652B (en) | 2017-09-30 | 2017-09-30 | Diplopore thermal pipe arranged side by side |
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| CN107420652A true CN107420652A (en) | 2017-12-01 |
| CN107420652B CN107420652B (en) | 2019-02-26 |
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| CN201710916311.6A Active CN107420652B (en) | 2017-09-30 | 2017-09-30 | Diplopore thermal pipe arranged side by side |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375117A (en) * | 2019-07-30 | 2019-10-25 | 大唐青岛西海岸热力有限公司 | A kind of heat distribution pipeline support device reducing heat loss |
| CN112113041A (en) * | 2020-09-29 | 2020-12-22 | 泰州市盛祥纸制品有限公司 | Circulating pipeline |
| CN114234507A (en) * | 2021-12-24 | 2022-03-25 | 河北壹雪制冷科技有限公司 | Dual-system modular block ice machine with heat accumulator |
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| JP2003139441A (en) * | 2001-10-30 | 2003-05-14 | Daikin Ind Ltd | Branch damper and air conditioner using the same |
| CN202165715U (en) * | 2011-08-03 | 2012-03-14 | 河南盛世塑业有限公司 | Double-cavity water pipe |
| CN103047487A (en) * | 2013-01-21 | 2013-04-17 | 刘建华 | Double-hole concentric heat tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375117A (en) * | 2019-07-30 | 2019-10-25 | 大唐青岛西海岸热力有限公司 | A kind of heat distribution pipeline support device reducing heat loss |
| CN110375117B (en) * | 2019-07-30 | 2020-12-25 | 大唐青岛西海岸热力有限公司 | Heat distribution pipeline supporting device capable of reducing heat loss |
| CN112113041A (en) * | 2020-09-29 | 2020-12-22 | 泰州市盛祥纸制品有限公司 | Circulating pipeline |
| CN114234507A (en) * | 2021-12-24 | 2022-03-25 | 河北壹雪制冷科技有限公司 | Dual-system modular block ice machine with heat accumulator |
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|---|---|
| CN107420652B (en) | 2019-02-26 |
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