CN203335083U - Freezing pipe and freezer - Google Patents
Freezing pipe and freezer Download PDFInfo
- Publication number
- CN203335083U CN203335083U CN2013203342590U CN201320334259U CN203335083U CN 203335083 U CN203335083 U CN 203335083U CN 2013203342590 U CN2013203342590 U CN 2013203342590U CN 201320334259 U CN201320334259 U CN 201320334259U CN 203335083 U CN203335083 U CN 203335083U
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- CN
- China
- Prior art keywords
- freezing pipe
- pipe
- freezing
- heat
- barrier material
- 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 - Lifetime
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- 238000007710 freezing Methods 0.000 title claims abstract description 134
- 230000008014 freezing Effects 0.000 title claims abstract description 134
- 239000000463 material Substances 0.000 claims description 37
- 238000009413 insulation Methods 0.000 claims description 13
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 7
- 239000011496 polyurethane foam Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000003032 molecular docking Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 abstract 1
- 239000012774 insulation material Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 15
- 239000003507 refrigerant Substances 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002631 hypothermal effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000027455 binding Effects 0.000 description 1
- 238000009739 binding Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a freezing pipe and a freezer, and relates to the technical field of ground excavation. The conduction direction of cold energy is controlled, and electricity and construction cost are lowered. The freezing pipe comprises a freezing pipe body. Heat insulation materials are arranged on one side of the freezing pipe body. The freezer carries out freezing through the freezing pipe. The freezing pipe and the freezer are suitable for excavation of a vertical shaft and an underground tunnel.
Description
Technical field
The utility model relates to ground excavation technology field, relates in particular to a kind of freezing pipe and frigo for the ground excavation.
Background technology
The method of freezing process excavation ground; before the geotechnical engineering excavation; rock-soil layer around open excavation is frozen into to the frost wall of sealing by the method for artificial cooling; with interim strengthening stratum; press on opposing ground; completely cut off underground water, then under the protection of frost wall, carry out a kind of special construction method of normal construction.Its work progress is roughly as follows: at first will beat the freezing hole of some, freezing pipe or frigo are installed in hole.The hypothermic saline that refrigeration station makes (approximately-30 ℃) arrives frigo in each hole through carrying main, then is turned back to the brine tank of refrigeration station by the loop main.When hypothermic saline flows along annular space in freezing pipe, absorb its heat of rock stratum on every side, rock stratum is on every side freezed, expansion forms frost wall gradually.Along with the carrying out of brine recycling, frost wall thickness increases gradually, until reach design thickness and intensity.
At present, in the construction freezing method shaft of vertical well, often because the ground in the Shaft Excavation scope is frozen reality, cause the excavation difficulty, pneumatic pick or excavator are motionless, also need in case of necessity blast working; And, in the situation that periphery has freezing pipe, the construction of blowing out has very large risk to freezing pipe.Simultaneously, the ground in the scope of the waste footpath of pit shaft is frozen reality, has wasted in a way a large amount of cold energy and electric power, brings very large increase to the frozen construction cost.
Summary of the invention
The utility model embodiment technical problem to be solved is to provide a kind of freezing pipe, can control the conduction orientation of cold energy.
For achieving the above object, the utility model freezing pipe embodiment adopts following technical scheme:
A kind of freezing pipe, comprise the freezing pipe body, in a side of described freezing pipe body, is provided with heat-barrier material.
Further, the cross section of described freezing pipe body is circle and lacks type; Described heat-barrier material is arranged on the outside of described freezing pipe body and is positioned at described circle and lacks place.
Preferably, the rounded or polygon of the cross section of described freezing pipe body; In described freezing pipe body interior, along the direction of freezing pipe body length, be provided with dividing plate; In a side of described dividing plate and described along being formed with heat insulation medium accommodating chamber between the inwall of freezing pipe body, at the opposite side of described dividing plate and describedly along between the inwall of freezing pipe body, be formed with the coolant media flow cavity; Be provided with heat-barrier material in described heat insulation medium accommodating chamber.
Preferably, described dividing plate is arc, and the arcwall face of described dividing plate protrudes towards the center position of described freezing pipe.
Wherein, described heat-barrier material is air or polyurethane foam.
Further, described freezing pipe comprise at least two mutually docking freeze pipeline section, freeze between pipeline section to be welded with interior hoop in docking mutually.
The utility model freezing pipe embodiment, because the side at the freezing pipe body is provided with heat-barrier material, can control the conduction orientation of cold energy by described heat-barrier material, reduce cold energy to a side transmission that is provided with heat-barrier material.
The utility model embodiment another technical problem to be solved is to provide a kind of frigo, can control the conduction orientation of cold energy.
For achieving the above object, the utility model frigo embodiment adopts following technical scheme:
A kind of frigo, comprise freezing pipe, an end sealing of described freezing pipe, an end opening; Openend at described freezing pipe is provided with lid, is provided with feed pipe and liquid back pipe on described lid; Wherein said feed pipe stretches into described freezing pipe inside, and has opening in the bottom of described feed pipe, and described freezing pipe is the described freezing pipe of aforementioned any one.
Preferably, described feed pipe is arranged in described heat insulation medium accommodating chamber, and is surrounded by described heat-barrier material; The bottom opening of described feed pipe is in described coolant media flow cavity.
The utility model frigo embodiment, because the side at the freezing pipe body is provided with heat-barrier material, can control the conduction orientation of cold energy by described heat-barrier material, reduce cold energy to a side transmission that is provided with heat-barrier material.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is that the utility model freezing pipe one embodiment is placed on the cross sectional representation in freezing hole;
Fig. 2 is that another embodiment of the utility model freezing pipe is placed on the cross sectional representation in freezing hole;
Fig. 3 is that the another embodiment of the utility model freezing pipe is placed on the cross sectional representation in freezing hole;
Fig. 4 is the utility model freezing pipe syndeton schematic diagram in an embodiment again;
Fig. 5 is that the utility model frigo one embodiment is placed on the duty longitudinal section schematic diagram in freezing hole;
Fig. 6 be along A-A in Fig. 5 to schematic cross-section.
The specific embodiment
Below in conjunction with accompanying drawing, a kind of freezing pipe of the utility model embodiment and frigo are described in detail.
Should be clear and definite, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making all other embodiment that obtain under the creative work prerequisite, all belong to the scope of the utility model protection.
Referring to shown in Fig. 1 to Fig. 3, the specific embodiment of a kind of freezing pipe of the utility model, comprise freezing pipe body 1, in a side of described freezing pipe body 1, is provided with heat-barrier material 2.Described heat-barrier material can be that the heat insulating reflecting coating that is applicable to low temperature, perforated foams are as polyurethane foam etc.
Because the side at the freezing pipe body is provided with heat-barrier material, can control the conduction orientation of cold energy by described heat-barrier material, reduce cold energy to a side transmission that is provided with heat-barrier material.
Shown in Fig. 1, in the specific embodiment of aforementioned freezing pipe, heat-barrier material 2 can be arranged on the outer wall of a side of freezing pipe body 1.Preferably, the cross section of described freezing pipe body 1 is circle and lacks type; Described heat-barrier material 2, as polyurethane foam etc., be arranged on the outside of described freezing pipe body 1 and be positioned at described circle and lack place.Described heat-barrier material can be fixed on described circle by modes such as bonding or wire bindings and lack place.Heat-barrier material is arranged on the outer wall of a side of freezing pipe body, is convenient to installation and the replacing of heat-barrier material.Simultaneously, the heat-barrier materials such as polyurethane foam can also absorb the freezing pipe frost heave stress of ground on every side, and the situation that reduces the freezing pipe damage caused because of frost heave occurs.Label 3 in figure means freezing hole, and label 4 means to be arranged in the refrigerant agent carrier pipe of freezing pipe body 1, and label 5 means refrigerant agent.
Shown in Fig. 2 and Fig. 3, in the specific embodiment of aforementioned freezing pipe, also heat-barrier material 2 can be arranged on the inwall of a side of freezing pipe body 1, as heat-barrier material sticked on the inwall of circular freezing pipe body, specifically, polyurethane foamed material can be processed into to the various shapes such as crescent, paste on the inner surface of circular freezing pipe body.Preferably, the rounded or polygon of the cross section of described freezing pipe body 1; In the present embodiment, the cross section of freezing pipe body 1 is rounded, in described freezing pipe body 1 inside, along the direction of freezing pipe body 1 length, be provided with dividing plate 6; In a side of described dividing plate 6 and described along being formed with heat insulation medium accommodating chamber 7 between the inwall of freezing pipe body 1, at the opposite side of described dividing plate 6 and describedly along between the inwall of freezing pipe body 1, be formed with coolant media flow cavity 8; Be provided with heat-barrier material in described heat insulation medium accommodating chamber 7.Described heat-barrier material is air or polyurethane foam etc., and wherein said polyurethane foam can adopt the foam-in-place technology to be filled in heat insulation medium accommodating chamber 7.
Heat-barrier material is arranged in the heat insulation medium accommodating chamber 7 of freezing pipe body interior, can effectively protects heat-barrier material, prevent the accidental of heat-barrier material.In addition, under the effect of heat insulation medium accommodating chamber 7 ground frost heave stress around freezing pipe, deformation can occur, absorb frost heave stress, thereby alleviate the damage of frost heave stress to coolant media flow cavity 8.
Wherein, described dividing plate 6 can be straight plate, and the inner space of described freezing pipe body 1 is divided into to two parts.Preferably, shown in Fig. 3, described dividing plate 6 is arc, the arcwall face of described dividing plate 6 protrudes towards the center position of described freezing pipe, like this at the direction of transfer of effectively controlling cold energy, produce cooling area around freezing pipe, when the abnormity of formation centered by freezing pipe freezes post, both being convenient to adjacent abnormity freezes the very fast friendship circle formation freezing curtain of post or is called frost wall, make again the inner ring that freezes post be the arc consistent with the bending direction of described arc, thereby make the inwall of formed freezing curtain comparatively level and smooth.Further, the plate that described dividing plate 6 is circular arc, its center of circle coincides with the pit shaft that will excavate or the center in tunnel, makes like this inwall of formed freezing curtain be level and smooth circle, is conducive to strengthen the strength and stability of freezing curtain.Abnormity in the utility model embodiment freezes post for circle is freezed post, and in the utility model, the non-circular post that freezes all is called abnormity and freezes post.
Described freezing pipe body 1 can adopt the mode of typical circular steel duct welding diaphragm to form, and also can during steel pipe manufacturing, directly be made into the chapped pipe with internal partition, makes described dividing plate and steel pipe manufacturing be integrated.
Shown in Fig. 4, in the specific embodiment of aforementioned freezing pipe, in order to adapt to freezing than deep thickness, further, described freezing pipe comprise at least two mutually docking freeze pipeline section 9 and 10, docking mutually freeze between pipeline section 9 and 10 to be welded with interior hoop 11, label 12 means weld seams.In adopting, hoop 11 couples together the adjacent pipeline section that freezes by welding manner, is conducive to strengthen the intensity of freezing the pipeline section junction, and the situation that the freezing pipe that minimizing causes because of frost heave damages occurs.
Shown in Fig. 5, the utility model embodiment also provides a kind of frigo, comprises freezing pipe, an end sealing of described freezing pipe, an end opening; Openend at described freezing pipe is provided with lid 14, is provided with feed pipe 4 and liquid back pipe 13 on described lid 14; Wherein said feed pipe 4 stretches into described freezing pipe inside, and has opening in the bottom of described feed pipe, and described freezing pipe is the described freezing pipe of aforementioned arbitrary embodiment.
The operating principle of this frigo is: first the freezing pipe of frigo is installed in the freezing hole 3 of accomplishing fluently in advance, and refrigerant agent 5, the calcium chloride solution (approximately-30 ℃) as low temperature, after liquid self-feeding pipe 4 enters freezing pipe inside, flowed out by liquid back pipe 13; Refrigerant agent 5, when the feed pipe inner loop flows, absorbs the heat of rock stratum around it, makes on every side rock stratum freeze to form and freezes post.If place frigo in a plurality of freezing holes that are circular layout, around the freezing pipe of each frigo, all form and freeze post, along with circulating of refrigerant agent 5, the post that freezes around adjacent freezing pipe hands over circle to form frost wall, along with proceeding of refrigerant agent 5 circulations, frost wall thickness increases gradually, until reach design thickness and intensity.
Shown in Fig. 5 and Fig. 6, according to an embodiment of the utility model frigo, preferably, described feed pipe 4 is arranged in described heat insulation medium accommodating chamber 7, and is surrounded by described heat-barrier material 2; The bottom opening of described feed pipe 4 is in described coolant media flow cavity 8.Feed pipe 4 is arranged in described heat insulation medium accommodating chamber 7, making feed pipe 4 is the outlet of refrigerant agent 5, with the loop of refrigerant agent 5, be separately positioned in the chamber of mutual isolation, be conducive to improve the efficiency of refrigerant agent 5 and freezing pipe ground interchange of heat on every side, avoided the outlet of refrigerant agent 5 and loop are arranged in same chamber, refrigerant agent 5 in loop carries out interchange of heat except the ground with around freezing pipe, also will with outlet in refrigerant agent 5 carry out interchange of heat, the situation that the refrigerant agent that causes thus 5 and ground heat exchanger effectiveness around freezing pipe are lower occurs.In addition, described feed pipe 4 is surrounded by described heat-barrier material 2, be conducive to prevent scattering and disappearing in advance of cold energy that refrigerant agent 5 is entrained, has further improved the efficiency that the refrigerant agent 5 in the loop and ground around freezing pipe carry out interchange of heat.
In the utility model embodiment, freezing pipe can adopt steel tubes, one side is provided with heat preserving and insulating material, can effectively control the cold energy conduction orientation, reduce cold energy transmits in pit shaft or tunnel excavation district, avoid the ground in the scope of the waste footpath in pit shaft or tunnel to be frozen reality, thereby can reduce electric power and construction cost.Steel tubes wherein is not limited to the structure described in above-described embodiment, can make as required plurality of specifications and pattern.
The above; it is only the specific embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (8)
1. a freezing pipe, comprise the freezing pipe body, it is characterized in that, in a side of described freezing pipe body, is provided with heat-barrier material.
2. freezing pipe according to claim 1, is characterized in that, the cross section of described freezing pipe body is circle and lacks type;
Described heat-barrier material is arranged on the outside of described freezing pipe body and is positioned at described circle and lacks place.
3. freezing pipe according to claim 1, is characterized in that, the rounded or polygon of the cross section of described freezing pipe body;
In described freezing pipe body interior, along the direction of freezing pipe body length, be provided with dividing plate;
In a side of described dividing plate and described along being formed with heat insulation medium accommodating chamber between the inwall of freezing pipe body, at the opposite side of described dividing plate and describedly along between the inwall of freezing pipe body, be formed with the coolant media flow cavity;
Be provided with heat-barrier material in described heat insulation medium accommodating chamber.
4. freezing pipe according to claim 3, is characterized in that, described dividing plate is arc, and the arcwall face of described dividing plate protrudes towards the center position of described freezing pipe.
5. freezing pipe according to claim 3, is characterized in that, described heat-barrier material is air or polyurethane foam.
6. freezing pipe according to claim 1, is characterized in that, described freezing pipe comprise at least two mutually docking freeze pipeline section, freeze between pipeline section to be welded with interior hoop in docking mutually.
7. a frigo, comprise freezing pipe, an end sealing of described freezing pipe, an end opening; Openend at described freezing pipe is provided with lid, is provided with feed pipe and liquid back pipe on described lid; Wherein said feed pipe stretches into described freezing pipe inside, and has opening in the bottom of described feed pipe, it is characterized in that, described freezing pipe is the described freezing pipe of aforementioned claim 1-6 any one.
8. a frigo, comprise freezing pipe, an end sealing of described freezing pipe, an end opening; Openend at described freezing pipe is provided with lid, is provided with feed pipe and liquid back pipe on described lid; Wherein said feed pipe stretches into described freezing pipe inside, and has opening in the bottom of described feed pipe, it is characterized in that, described freezing pipe is the described freezing pipe of aforementioned claim 3-6 any one, wherein
Described feed pipe is arranged in described heat insulation medium accommodating chamber, and is surrounded by described heat-barrier material;
The bottom opening of described feed pipe is in described coolant media flow cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203342590U CN203335083U (en) | 2013-06-11 | 2013-06-11 | Freezing pipe and freezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203342590U CN203335083U (en) | 2013-06-11 | 2013-06-11 | Freezing pipe and freezer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203335083U true CN203335083U (en) | 2013-12-11 |
Family
ID=49703761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203342590U Expired - Lifetime CN203335083U (en) | 2013-06-11 | 2013-06-11 | Freezing pipe and freezer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203335083U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334757A (en) * | 2013-06-11 | 2013-10-02 | 中国矿业大学(北京) | Freezing pipe, frigo, and method of excavating rock-soil by adopting freezing method |
| CN108361038A (en) * | 2018-04-17 | 2018-08-03 | 中国矿业大学(北京) | A kind of energy saving frigo of New Inclined |
-
2013
- 2013-06-11 CN CN2013203342590U patent/CN203335083U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334757A (en) * | 2013-06-11 | 2013-10-02 | 中国矿业大学(北京) | Freezing pipe, frigo, and method of excavating rock-soil by adopting freezing method |
| CN103334757B (en) * | 2013-06-11 | 2015-04-15 | 中国矿业大学(北京) | Freezing pipe, frigo, and method of excavating rock-soil by adopting freezing method |
| CN108361038A (en) * | 2018-04-17 | 2018-08-03 | 中国矿业大学(北京) | A kind of energy saving frigo of New Inclined |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131211 Effective date of abandoning: 20150415 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20131211 Effective date of abandoning: 20150415 |
|
| RGAV | Abandon patent right to avoid regrant |