CN205504227U - Heat preservation process line passes structure in cofferdam - Google Patents

Heat preservation process line passes structure in cofferdam Download PDF

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Publication number
CN205504227U
CN205504227U CN201620127447.XU CN201620127447U CN205504227U CN 205504227 U CN205504227 U CN 205504227U CN 201620127447 U CN201620127447 U CN 201620127447U CN 205504227 U CN205504227 U CN 205504227U
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CN
China
Prior art keywords
cofferdam
pipe
pipeline
heat preservation
sleeve pipe
Prior art date
Application number
CN201620127447.XU
Other languages
Chinese (zh)
Inventor
孙洪伟
明威
陈荣敏
杨付春
李光林
Original Assignee
京鼎工程建设有限公司
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Priority to CN201620127447.XU priority Critical patent/CN205504227U/en
Application granted granted Critical
Publication of CN205504227U publication Critical patent/CN205504227U/en

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Abstract

The utility model relates to a petrochemical engineering technical field especially relates to a heat preservation process line passes structure in cofferdam. The utility model provides a heat preservation process line passes structure in cofferdam, it includes pre -buriedly fixes the sleeve pipe in the cofferdam and passes the sheathed tube process line, and the process line is connected through a plurality of backup pads and sleeve pipe contact, prevents that flagging phenomenon from appearing in the pipeline when passing the cofferdam, and the axis of process line and sheathed tube dead in line, from interior insulation material layer, protective layer and the close adhesive layer of being equipped with in proper order outside to on the process line surpasss the pipe wall of sleeve pipe length, sheathed tube one end is equipped with the end plate corresponding to the process line to the diffusion of harm fluid is outside the cofferdam when preventing the equipment leakage in the cofferdam, and the security is strong, the other end and close adhesive layer fixed connection, and corresponding to cofferdam and end plate packing rock wool between process line and sheathed tube gap, do not lose the heat in the pipeline in order to ensure the process line when passing through the cofferdam, the heat preservation effect is strong and sealing performance is good.

Description

A kind of heat preservation method pipeline is through the structure in cofferdam
Technical field
This utility model relates to petroleum chemical engineering technical field, particularly relates to a kind of heat preservation method Pipeline, through the structure in cofferdam, is specifically related to a kind of guarantor that can improve heat insulation effect and sealing property Temperature process pipe is through the structure in cofferdam.
Background technology
In petroleum chemical engineering field, usually can run into heat preservation method pipeline and need to pass through cofferdam, tank field, The effect in cofferdam is to may be limited in cofferdam after once dielectric leakage, and conventional design method is Heat preservation method pipeline is directly passed through cofferdam, then seals inside cofferdam.Such as, exist " the Process Plant Layout and that U.S. author Ed Bausbacher and Roger Hunt publishes Piping Design " in a book, page 379 describes a kind of pipeline mode through cofferdam, i.e. First service sleeve in cofferdam, the process pipe after insulation is directly through sleeve pipe, inside cofferdam Block with flexible sealing material, be then fastened on sleeve pipe and heat preservation method piping jacket with steel band Surface.Although this kind of structure is in sleeve pipe and the steel band colligation of heat preservation method piping jacket surface, Though playing certain sealing effectiveness, but owing to heat preservation method pipeline is without special handling, and And with hole inside insulation material, after in cofferdam, equipment leaks, harm fluid can lead to The insulation material crossed between sleeve pipe and process pipe diffuses to outside cofferdam, thus loses cofferdam Using effect, can cause personnel to injure and environmental pollution time serious.
Utility model content
(1) to solve the technical problem that
The technical problems to be solved in the utility model is to solve existing heat preservation method pipeline through enclosing The problem that the heat insulation effect of the structure on weir is poor and sealing effectiveness is undesirable, so that heat preservation method pipe When road passes through cofferdam, heat does not loses, and in guarantee cofferdam, during equipment leakage, harm fluid will not expand It is dissipated to outside cofferdam.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides a kind of heat preservation method pipeline and wears Crossing the structure in cofferdam, this heat preservation method pipeline includes pre-buried being fixed on cofferdam through the structure in cofferdam Interior sleeve pipe and the process pipe through described sleeve pipe, described process pipe is by multiple gripper shoes It is connected with described casing-contact, and the dead in line of the axis of described process pipe and described sleeve pipe; The described process pipe tube wall beyond described casing length is sequentially provided with thermal insulating material from the inside to the outside The bed of material, protective layer and sealant layer;One end of described sleeve pipe is provided with corresponding to described process pipe End plate, the other end is fixing with described sealant layer to be connected, and forms the space of a closure, and Rock wool is filled corresponding to described cofferdam and end plate between the gap of described process pipe and described sleeve pipe.
Wherein, the length of described sleeve pipe is not less than the thickness in described cofferdam.
Wherein, the middle part of described end plate is provided with the installing hole passed for described process pipe, and institute State the generally circular in shape of end plate or rectangle.
Wherein, described end plate with the connected mode of described process pipe for welding.
Wherein, described end plate with the connected mode of described sleeve pipe for welding.
Wherein, the quantity of described gripper shoe is 3, and the angle between 3 described gripper shoes It it is 120 °.
Wherein, the connected mode between described gripper shoe with described process pipe is for welding.
(3) beneficial effect
Technique scheme of the present utility model has the advantage that this utility model provides one Kind of heat preservation method pipeline through the structure in cofferdam, it include the pre-buried sleeve pipe being fixed in cofferdam and Through the process pipe of sleeve pipe, process pipe is connected with casing-contact by multiple gripper shoes, logical Cross and gripper shoe is set with more preferable supporting process pipeline, under preventing pipeline from occurring when through cofferdam Vertical phenomenon;And the dead in line of the axis of process pipe and sleeve pipe;At process pipe beyond sleeve pipe Adiabator layer, protective layer and sealant layer it is sequentially provided with from the inside to the outside on the tube wall of length;Set One end of pipe is provided with end plate corresponding to process pipe, harm during to prevent the equipment leakage in cofferdam Fluid diffuses to outside cofferdam, and the other end is fixing with sealant layer to be connected, and forms a closure Rock wool is filled, with really corresponding to cofferdam and end plate between space, and the gap of process pipe and sleeve pipe Protect process pipe and do not lose the heat in pipeline when passing through cofferdam, and combination is provided with insulation material Layer, protective layer and sealant layer, cannot be incubated when can effectively solve process pipe through cofferdam and The problem that cannot seal, simple in construction, it is simple to install and safeguard, good stability, the most favourable In improving security performance.
Accompanying drawing explanation
Fig. 1 is that this utility model embodiment a kind of heat preservation method pipeline passes the concrete of cofferdam structure Schematic diagram;
Fig. 2 is that this utility model embodiment heat preservation method pipeline props up in cofferdam structure middle sleeve The side view of fagging.
In figure: 1: end plate;2: process pipe;3: sleeve pipe;4: rock wool;5: insulation material Layer;6: sealant layer;7: cofferdam;8: gripper shoe;9: protective layer.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below The accompanying drawing in this utility model embodiment will be combined, to the technical side in this utility model embodiment Case is clearly and completely described, it is clear that described embodiment is of the present utility model one Section Example rather than whole embodiments.Based on the embodiment in this utility model, this It is every other that field those of ordinary skill is obtained on the premise of not making creative work Embodiment, broadly falls into the scope of this utility model protection.
As shown in Figure 1 to Figure 2, a kind of heat preservation method pipeline that this utility model embodiment provides Through the structure in cofferdam, it includes the pre-buried sleeve pipe 3 being fixed in cofferdam 7 and through sleeve pipe 3 Process pipe 2, process pipe 2 contacts connection by multiple gripper shoes 8 with sleeve pipe 3, wherein, The connected mode of process pipe 2 and gripper shoe 8 for welding, the connection of sleeve pipe 3 and gripper shoe 8 Mode connects for contact, by arranging gripper shoe 8 with more preferable supporting process pipeline 2, prevents work Skill pipeline 2 occurs sagging when through cofferdam 7, and the axis of process pipe 2 and sleeve pipe 3 Dead in line, process pipe 2 will be located at the middle of sleeve pipe 3 by gripper shoe 8, be subject to Power equalizes, and can reduce the thermal loss of process pipe 2 further;Exceed at process pipe 2 It is sequentially provided with adiabator layer 5, protective layer 9 on the tube wall of sleeve pipe 3 length from the inside to the outside and seals Glue-line 6, wherein, protective layer 9 is used for protecting insulation material injury-free, to ensure process pipe 3, the particularly heat of heat preservation method pipeline are not suffered a loss;One end of sleeve pipe 3 corresponds to process duct Road 2 is provided with end plate 1, and during to prevent the equipment leakage in cofferdam 7, harm fluid diffuses to cofferdam 7 Outward, the other end is fixing with sealant layer 6 to be connected, and forms the space of a closure, and technique Rock wool is filled, i.e. from penetrating corresponding to cofferdam 7 and end plate 1 between the gap of pipeline 2 and sleeve pipe 3 Rock wool is filled, to guarantee that process pipe 2 exists in playing the space to end plate 1 in the one end in cofferdam 7 Do not lose the heat in pipeline when passing through cofferdam 7, and combination is provided with adiabator layer 5, protective layer 9 and sealant layer 6, cannot be incubated when can effectively solve process pipe 2 through cofferdam 7 and cannot The problem sealed, simple in construction, it is simple to install and safeguard, good stability, it is simultaneously also beneficial to carry High safety performance.
Further, the length of sleeve pipe 3 is not less than the thickness in cofferdam 7.In the present embodiment, The length of sleeve pipe 3, more than the thickness in cofferdam 7, is traced it to its cause, and one is for improve sealing property; It is two for reducing construction error, and particularly, the length of sleeve pipe 3 grows than the thickness in cofferdam 7 Several centimetres, production cost is had little to no effect.
Specifically, the middle part of end plate 1 is provided with the installing hole passed for process pipe 2, and end plate 1 Generally circular in shape or rectangle;The connected mode of end plate 1 and process pipe 2 is for welding;End plate 1 With the connected mode of sleeve pipe 3 for welding.In the present embodiment, end plate 1 generally circular in shape, Process pipe 2 sequentially passes through sleeve pipe 3 and end plate 1, and the upper and lower side in the remotely mounted hole of end plate 1 is respectively Weld with the upper and lower side of sleeve pipe 3, in end plate 1 upper and lower side of installing hole respectively with process pipe 2 Upper and lower side welding, thus constitute blind end, and by between process pipe 2 and sleeve pipe 3 Gap in fill up rock wool, improve sealing property.
Preferably, in the present embodiment, the quantity of gripper shoe 8 is 3, and 3 gripper shoes 8 Between angle be 120 °, wherein, the connected mode between gripper shoe 8 and process pipe 2 for weldering Connecing, gripper shoe 8 connects or other fixing type of attachment for contacting with the connected mode between sleeve pipe, So that for being coaxially disposed between process pipe 2 and sleeve pipe 3, and can guarantee that stress equalization and guarantor Temp effect reaches optimization.
Particularly, in the present embodiment, process pipe 3 is heat preservation method pipeline, but not only office It is limited to heat preservation method pipeline.
In sum, this utility model provides a kind of heat preservation method pipeline structure through cofferdam, It includes the pre-buried sleeve pipe being fixed in cofferdam and the process pipe through sleeve pipe, and process pipe leads to Cross multiple gripper shoe to be connected with casing-contact, by arranging gripper shoe with more preferable supporting process pipe Road, prevents pipeline from sagging occur when through cofferdam;And the axis of process pipe and sleeve pipe Dead in line;The process pipe tube wall beyond casing length is sequentially provided with guarantor from the inside to the outside Adiabator layer, protective layer and sealant layer;One end of sleeve pipe is provided with end plate corresponding to process pipe, During to prevent the equipment leakage in cofferdam, harm fluid diffuses to outside cofferdam, the other end and fluid sealant Layer is fixing to be connected, and forms the space of a closure, and right between the gap of process pipe and sleeve pipe Rock wool should be filled, to guarantee that process pipe does not lose pipeline when passing through cofferdam in cofferdam and end plate In heat, and combine be provided with adiabator layer, protective layer and sealant layer, can effectively solve The problem that cannot be incubated and cannot seal when process pipe is through cofferdam, simple in construction, it is simple to peace Dress is safeguarded, good stability, is simultaneously also beneficial to improve security performance.
It is last it is noted that above example is only in order to illustrate the technical solution of the utility model, It is not intended to limit;Although this utility model being described in detail with reference to previous embodiment, It will be understood by those within the art that: it still can be to described in foregoing embodiments Technical scheme modify, or wherein portion of techniques feature is carried out equivalent;And this A little amendments or replacement, do not make the essence of appropriate technical solution depart from this utility model and respectively implement The spirit and scope of example technical scheme.

Claims (7)

1. a heat preservation method pipeline is through the structure in cofferdam, it is characterised in that: include pre-buried solid The sleeve pipe being scheduled in cofferdam and the process pipe passing described sleeve pipe, described process pipe is by many Individual gripper shoe is connected with described casing-contact, and the axis of described process pipe and described sleeve pipe Dead in line;On the described process pipe tube wall beyond described casing length the most successively It is provided with adiabator layer, protective layer and sealant layer;One end of described sleeve pipe corresponds to described work Skill pipeline is provided with end plate, and the other end is fixing with described sealant layer to be connected, to form a closing Property space, and corresponding to described cofferdam and end between the gap of described process pipe and described sleeve pipe Rock wool filled by plate.
Heat preservation method pipeline the most according to claim 1 is through the structure in cofferdam, its feature It is: the length of described sleeve pipe is not less than the thickness in described cofferdam.
Heat preservation method pipeline the most according to claim 1 is through the structure in cofferdam, its feature It is: the middle part of described end plate is provided with the installing hole passed for described process pipe, and described end Generally circular in shape or the rectangle of plate.
Heat preservation method pipeline the most according to claim 1 is through the structure in cofferdam, its feature It is: the connected mode of described end plate and described process pipe is for welding.
Heat preservation method pipeline the most according to claim 1 is through the structure in cofferdam, its feature It is: the connected mode of described end plate and described sleeve pipe is for welding.
Heat preservation method pipeline the most according to claim 1 is through the structure in cofferdam, its feature It is: the quantity of described gripper shoe is 3, and the angle between 3 described gripper shoes is 120°。
Heat preservation method pipeline the most according to claim 1 is through the structure in cofferdam, its feature It is: the connected mode between described gripper shoe with described process pipe is for welding.
CN201620127447.XU 2016-02-18 2016-02-18 Heat preservation process line passes structure in cofferdam CN205504227U (en)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106594397A (en) * 2017-01-18 2017-04-26 中冶建筑研究总院有限公司 Anti-leakage embedding plugging mechanism and anti-leakage embedding plugging method for pipeline of basement wall
CN107098082A (en) * 2017-06-14 2017-08-29 白航标 A kind of anti-overflow cofferdam of pressure vessels for the chemical industry group
CN110274095A (en) * 2019-07-09 2019-09-24 太仓市金锚新材料科技有限公司 A kind of ship pipeline with pipe-support seat runs through device
CN110285264A (en) * 2019-07-09 2019-09-27 太仓市金锚新材料科技有限公司 A kind of ship fire proof seal pipeline with pipe-support seat runs through device
CN110285265A (en) * 2019-07-09 2019-09-27 太仓市金锚新材料科技有限公司 A kind of ship pipeline runs through device pipe-support seat

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106594397A (en) * 2017-01-18 2017-04-26 中冶建筑研究总院有限公司 Anti-leakage embedding plugging mechanism and anti-leakage embedding plugging method for pipeline of basement wall
CN107098082A (en) * 2017-06-14 2017-08-29 白航标 A kind of anti-overflow cofferdam of pressure vessels for the chemical industry group
CN110274095A (en) * 2019-07-09 2019-09-24 太仓市金锚新材料科技有限公司 A kind of ship pipeline with pipe-support seat runs through device
CN110285264A (en) * 2019-07-09 2019-09-27 太仓市金锚新材料科技有限公司 A kind of ship fire proof seal pipeline with pipe-support seat runs through device
CN110285265A (en) * 2019-07-09 2019-09-27 太仓市金锚新材料科技有限公司 A kind of ship pipeline runs through device pipe-support seat

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160824

Termination date: 20190218

CF01 Termination of patent right due to non-payment of annual fee