CN211145758U - Moisture removing device for long heat transmission network - Google Patents
Moisture removing device for long heat transmission network Download PDFInfo
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- CN211145758U CN211145758U CN201922094652.7U CN201922094652U CN211145758U CN 211145758 U CN211145758 U CN 211145758U CN 201922094652 U CN201922094652 U CN 201922094652U CN 211145758 U CN211145758 U CN 211145758U
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- pipe
- moisture
- removal device
- long heat
- heat transfer
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Abstract
The utility model discloses a long heat supply network hydrofuge device, including burying underground in the core pipe of below ground, arrange the damp pipe and set up in the mechanism that flows backward that prevents more than ground, arrange the lower extreme and the outer pillar of damp pipe and meet, arrange the other end of damp pipe and stretch out in ground and prevent flowing backward the mechanism and meet, prevent flowing backward the mechanism and include big end down's the shell that prevents flowing backward, prevent flowing backward the middle section of shell for seamless concentric big end and small end, prevent flowing backward the shell bottom surface and be provided with outer circular steel sheet, prevent flowing backward and placed the floater on the outer circular steel sheet in the shell, be provided with the through-hole on the outer circular steel sheet, the periphery of outer circular steel sheet bottom surface through-hole. The utility model discloses effectually prevented that external water source from getting into to arrange the harm of damp pipe back to steam conduit, ensured steam conduit normal operating, avoided appearing engineering accident or great economic loss.
Description
Technical Field
The utility model relates to a arrange damp technical field, in particular to long heat transfer network arranges damp device.
Background
Due to the urgent requirements of energy conservation, emission reduction, consumption reduction and environmental protection of power plants, centralized heating becomes the mainstream of town heat supply network construction, wherein in the existing underground steam pipeline, the moisture pipe technology is an indispensable part. However, the existing buried steam pipeline drainage super pipeline can only be suitable for specific environmental conditions, such as special environments with large seasonal rainfall difference and large underground water level fluctuation, and the like, the backflow phenomenon of the existing moisture drainage pipe can be caused, so that the normal use of the steam pipeline is influenced; meanwhile, in the case of hundreds of extremely heavy rainstorms, accidents or great economic losses can even occur due to backward flow.
SUMMERY OF THE UTILITY MODEL
The utility model provides a long heat transmission network arranges damp device to solve the problem among the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme:
a long heat transmission network moisture removing device comprises a core pipe 1 buried below the ground 6, a moisture removing pipe 4 and a backflow preventing mechanism 5 arranged above the ground 6, wherein the lower end of the moisture removing pipe 4 is connected with an outer protecting pipe 3, the other end of the moisture removing pipe 4 extends out of the ground and is connected with the backflow preventing mechanism 5, the backflow preventing mechanism 5 comprises a backflow preventing shell 51 with a small top and a large bottom, the middle section of the backflow preventing shell 51 is a seamless concentric big end and a small end 52, an outer circular steel plate 57 is arranged on the bottom surface of the backflow preventing shell 51, a floating ball 56 is placed on the outer circular steel plate 57 in the backflow preventing shell 51, a through hole 571 is formed in the outer circular steel plate 57, and a water outlet 58 extending downwards is arranged on the periphery of the through hole 571 in the bottom surface of the outer circular.
Further, the core pipe 1 is wrapped by an insulating layer 2, and the insulating layer is wrapped by an outer protective pipe 3; the moisture exhaust pipe 4 is wrapped by a heat insulation layer 2, and the heat insulation layer is wrapped by an outer protection pipe 3.
Furthermore, the outer protecting pipe 3 outside the moisture exhausting pipe 4 extends out of the ground by at least 500 mm.
Further, the upper end of the moisture exhaust pipe 4 is higher than the outer protecting pipe 3 and is provided with a 180-degree elbow pipe, and the 180-degree elbow pipe is connected with the upper end of the backflow preventing shell 51.
Furthermore, the moisture removing pipe 4 extends out of the outer protecting pipe 3 and is fully welded with the periphery of the outer protecting pipe 3.
Further, the backflow preventing shell 51 is welded with the moisture exhausting pipe 4.
Further, the inner and outer walls of the backflow-preventing shell 51, the seamless concentric reducer 52 and the outer circular steel plate 57 are coated with two-component solvent-free polyurethane.
Further, an upper layer stainless steel ring 53 and a lower layer stainless steel ring 55 are arranged on the inner wall of the seamless concentric reducer 52 from top to bottom, a corrosion-resistant rubber ring 54 is arranged between the upper layer stainless steel ring 53 and the lower layer stainless steel ring 55, and the upper layer stainless steel ring 53 and the lower layer stainless steel ring 55 are welded on the inner wall of the seamless concentric reducer 52.
Further, the diameter of the floating ball 56 is 1.1-1.5 times of the inner diameter of the moisture exhaust pipe 4, the floating ball 56 is made of linear polyethylene resin, the floating ball 56 is filled with air, the tensile strength of the floating ball 56 is greater than 12MPa, and the water absorption rate is less than or equal to 3g/100 cm3Elongation at break is more than 10%, breaking strength is 0.18-0.24Mpa, and impact strength is more than 31.4KJ/m2The elongation at break is 4-6%, the bending strength is more than the compression strength, and the heat-resisting temperature is-70-100 ℃.
Furthermore, the insulating layer 2 is made of high-temperature glass wool or aluminum silicate needled blanket, and the thickness is 40-80 mm; the heat-insulating layer 2 is made of high-temperature glass wool heat-insulating material or aluminum silicate needle-punched blanket, and the thickness is 40-80 mm; the outer protecting pipe 3 outside the moisture removing pipe 4 is a seamless fluid steel pipe or a submerged arc welding spiral steel pipe which is positioned below the ground, the outer protecting pipe 3 outside the moisture removing pipe 4 is a color steel plate or a color aluminum plate which is positioned above the ground, and the pipe wall thickness of the outer protecting pipe 3 is 0.6 mm.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses effectually prevented that external water source from getting into to arrange the harm of damp pipe back to steam conduit, ensured steam conduit normal operating, avoided appearing engineering accident or great economic loss.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of a backflow prevention mechanism of the present invention;
FIG. 3 is a schematic structural view of a middle and outer circular steel plate of the present invention;
FIG. 4 is a schematic cross-sectional view of the floating ball of the present invention;
wherein: 1-core pipe, 2-insulating layer, 3-outer protective pipe, 4-moisture-removing pipe, 5-backflow-preventing mechanism, 51-backflow-preventing shell, 52-seamless concentric reducer, 53-upper layer stainless steel ring, 54-corrosion-resistant rubber ring, 55-lower layer stainless steel ring, 56-floating ball, 57-outer circular steel plate, 571-through hole, 58-water outlet and 6-ground.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1 to 4, the long heat transfer network moisture draining device comprises a core pipe 1 embedded below a ground 6, a moisture draining pipe 4 and a backflow preventing mechanism 5 arranged above the ground 6, wherein the lower end of the moisture draining pipe 4 is connected with an outer protecting pipe 3, the other end of the moisture draining pipe 4 extends out of the ground and is connected with the backflow preventing mechanism 5, the backflow preventing mechanism 5 comprises a backflow preventing shell 51 with a small upper part and a large lower part, the middle section of the backflow preventing shell 51 is a seamless concentric big end and small end 52, an outer circular steel plate 57 is arranged on the bottom surface of the backflow preventing shell 51, a floating ball 56 is placed on the outer circular steel plate 57 in the backflow preventing shell 51, a through hole 571 is arranged on the outer circular steel plate 57, a drainage port 58 extending downwards is arranged on the periphery of the through hole 571 on the bottom surface of the outer circular steel plate 57, the through hole 571 is in an irregular shape, and.
Specifically, the core pipe 1 is connected with the moisture discharge pipe 4, the moisture discharge pipe 4 firstly turns through a 90-degree elbow below the ground and penetrates out of the ground, the moisture discharge pipe 4 turns through a 180-degree elbow above the ground and is opened downwards, the upper end of the backflow prevention mechanism 5 is welded at the downward opening, the outer circular steel plate 57 with a through hole 571 is arranged on the bottom surface of the lower end of the backflow prevention mechanism 5, moisture vapor flows out through the moisture discharge pipe 4 through the through hole 571 in the backflow prevention mechanism 5, and because the through hole 571 is downward and is positioned above the ground, external water sources (rainwater, sewage) and the like cannot flow back into the moisture discharge pipe 4, so that the damage to a steam pipeline after the external water sources enter the moisture discharge pipe is effectively prevented.
The core pipe 1 is wrapped by a heat-insulating layer 2, and the heat-insulating layer is wrapped by an outer protective pipe 3; the moisture exhaust pipe 4 is wrapped with an insulating layer 2, and the insulating layer is wrapped with an outer protective pipe 3; the outer protecting pipe 3 outside the moisture removing pipe 4 extends out of the ground by at least 500 mm; the upper end of the moisture exhaust pipe 4 is higher than the outer protecting pipe 3 and is provided with a 180-degree bent pipe, and the 180-degree bent pipe is connected with the upper end of the backflow preventing shell 51; the moisture removing pipe 4 extends out of the outer protecting pipe 3 and is fully welded with the periphery of the outer protecting pipe 3.
The backflow preventing shell 51 is welded with the moisture discharge pipe 4; the inner and outer walls of the backflow-preventing shell 51, the seamless concentric reducer 52 and the outer circular steel plate 57 are coated with double-component solvent-free polyurethane; the anti-backflow shell 51, the seamless concentric reducer 52 and the water outlet 58 are all made of 20-grade steel, and the seamless concentric reducer 52 refers to GB/T12459-2018; an upper layer stainless steel ring 53 and a lower layer stainless steel ring 55 are arranged on the inner wall of the seamless concentric reducer 52 from top to bottom, a corrosion-resistant rubber ring 54 is arranged between the upper layer stainless steel ring 53 and the lower layer stainless steel ring 55, and the upper layer stainless steel ring 53 and the lower layer stainless steel ring 55 are welded on the inner wall of the seamless concentric reducer 52; the diameter of the floating ball 56 is 1.1-1.5 times of the inner diameter of the moisture discharge pipe 4, the floating ball 56 is made of linear polyethylene resin, the interior of the floating ball 56 is filled with air, the tensile strength of the floating ball 56 is more than 12MPa, and the water absorption rate is less than or equal to 3g/100 cm3Elongation at break is more than 10%, breaking strength is 0.18-0.24Mpa, and impact strength is more than 31.4KJ/m2The elongation at break is 4-6%, the bending strength is more than the compression strength, and the heat-resisting temperature is-70-100 ℃.
The heat-insulating layer 2 is made of high-temperature glass wool heat-insulating material or aluminum silicate needle-punched blanket, and the thickness is 40-80 mm; the outer protecting pipe 3 outside the moisture removing pipe 4 is a seamless fluid steel pipe or a submerged arc welding spiral steel pipe which is positioned below the ground, the outer protecting pipe 3 outside the moisture removing pipe 4 is a color steel plate or a color aluminum plate which is positioned above the ground, and the pipe wall thickness of the outer protecting pipe 3 is 0.6 mm.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (10)
1. A moisture removal device for a long heat transmission network is characterized by comprising a core pipe (1) embedded below the ground (6), a moisture removal pipe (4) and a backflow prevention mechanism (5) arranged above the ground (6), the lower end of the moisture discharge pipe (4) is connected with the core pipe (1), the other end of the moisture discharge pipe (4) extends out of the ground and is connected with the backflow prevention mechanism (5), the backflow preventing mechanism (5) comprises a backflow preventing shell (51) with a small upper part and a big lower part, the middle section of the backflow preventing shell (51) is a seamless concentric big end and a small end (52), the bottom surface of the backflow preventing shell (51) is provided with an outer circular steel plate (57), a floating ball (56) is arranged on an inner and outer circular steel plate (57) of the backflow preventing shell (51), through holes (571) are formed in the outer circular steel plate (57), and water outlets (58) extending downwards are formed in the periphery of the through holes (571) in the bottom surface of the outer circular steel plate (57).
2. The moisture removal device for long heat transfer networks of claim 1, wherein: the core pipe (1) is wrapped with a heat-insulating layer (2), and the heat-insulating layer is wrapped with an outer protective pipe (3); the moisture removing pipe (4) is wrapped by the heat preservation layer (2), and the heat preservation layer is wrapped by the outer protection pipe (3).
3. The moisture removal device for long heat transfer networks of claim 1, wherein: the outer protecting pipe (3) outside the moisture removing pipe (4) extends out of the ground by at least 500 mm.
4. The moisture removal device for long heat transfer networks of claim 3, wherein: the upper end of the moisture exhaust pipe (4) is higher than the outer protecting pipe (3) and is provided with a 180-degree bent pipe, and the 180-degree bent pipe is connected with the upper end of the backflow preventing shell (51).
5. The moisture removal device for long heat transfer networks of claim 4, wherein: the moisture removing pipe (4) extends out of the outer protecting pipe (3) and is fully welded with the periphery of the outer protecting pipe (3).
6. The moisture removal device for long heat transfer networks of claim 1, wherein: the backflow preventing shell (51) is welded with the moisture exhausting pipe (4).
7. The moisture removal device for long heat transfer networks of claim 1, wherein: the inner and outer walls of the backflow-preventing shell (51), the seamless concentric reducer (52) and the outer circular steel plate (57) are coated with double-component solvent-free polyurethane.
8. The moisture removal device for long heat transfer networks of claim 1, wherein: an upper layer stainless steel ring (53) and a lower layer stainless steel ring (55) are arranged on the inner wall of the seamless concentric reducer (52) from top to bottom, a corrosion-resistant rubber ring (54) is arranged between the upper layer stainless steel ring (53) and the lower layer stainless steel ring (55), and the upper layer stainless steel ring (53) and the lower layer stainless steel ring (55) are welded on the inner wall of the seamless concentric reducer (52).
9. The moisture removal device for long heat transfer networks of claim 1, wherein: the diameter of the floating ball (56) is 1.1-1.5 times of the inner diameter of the moisture discharge pipe (4), the floating ball (56) is made of linear polyethylene resin, the interior of the floating ball (56) is filled with air, the tensile strength of the floating ball (56) is more than 12MPa, the water absorption rate is less than or equal to 3g/100 cm 3, the elongation at break is more than 10%, the breaking strength is 0.18-0.24MPa, the impact strength is more than 31.4KJ/m2, the elongation at break is 4-6%, the bending strength is more than the compression strength, and the heat-resistant temperature is-70-100 ℃.
10. The moisture removal device for long heat transfer networks of claim 2, wherein: the heat-insulating layer (2) is made of high-temperature glass wool or aluminum silicate needled blanket, and the thickness is 40-80 mm; the pipe wall thickness of the outer protecting pipe (3) is 0.6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922094652.7U CN211145758U (en) | 2019-11-28 | 2019-11-28 | Moisture removing device for long heat transmission network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922094652.7U CN211145758U (en) | 2019-11-28 | 2019-11-28 | Moisture removing device for long heat transmission network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211145758U true CN211145758U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922094652.7U Active CN211145758U (en) | 2019-11-28 | 2019-11-28 | Moisture removing device for long heat transmission network |
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| Country | Link |
|---|---|
| CN (1) | CN211145758U (en) |
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2019
- 2019-11-28 CN CN201922094652.7U patent/CN211145758U/en active Active
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