CN108215045A - A kind of New hot oil line foam process and device - Google Patents
A kind of New hot oil line foam process and device Download PDFInfo
- Publication number
- CN108215045A CN108215045A CN201711225388.5A CN201711225388A CN108215045A CN 108215045 A CN108215045 A CN 108215045A CN 201711225388 A CN201711225388 A CN 201711225388A CN 108215045 A CN108215045 A CN 108215045A
- Authority
- CN
- China
- Prior art keywords
- water lines
- isothermal holding
- foam process
- oil line
- hot
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Thermal Insulation (AREA)
Abstract
The invention discloses a kind of New hot oil line foam process and device, it is related to the manufacturing technology field of insulating tube, the step of foam process is：(1) impurity is removed；(2) the PPR hot-water lines for treating isothermal holding are placed on device；(3) aperture is opened in the center for the PPR hot-water lines for treating isothermal holding；(4) it is foamed by foaming machine, obtains the foaming layer of even density；(5) treat that the PPR hot-water lines of isothermal holding are cooled and shaped, finishing obtains finished product thermal insulation pipe.The present invention uses and the both ends of pipeline is placed in same level, the technique that intermediate material feeding is foamed simultaneously toward both sides, insulating layer even density, and quality is high；Inside the insulating layer of the present invention will not hollowing, heat insulation effect is good；The production efficiency of the present invention is higher than common process, saves production cost.
Description
Technical field
The present invention relates to the manufacturing technology field of insulating tube, more particularly to a kind of New hot oil line foam process and dress
It puts.
Background technology
Insulating tube is used for the conveying of liquid, gas and other media.Insulating tube is to influence an important factor for energy saving, insulating tube
Development increasingly paid attention to applying by country.Existing insulating tube production technology is tiltedly to put pipeline according to certain angle
In tooling, from high-order material feeding, mixed raw material is reacted since being flowed to after low level a high position, then is foamed to a high position and shaped from low level,
This technique causes product density uneven, and low level density is big, and high bit density is low, and easily trapped gas hollowing, heat insulation effect are poor inside pipeline.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of New hot oil line foam process and dress
It puts.
The present invention is achieved through the following technical solutions above-mentioned purpose：
The present invention provides a kind of New hot oil line foam process, the step of foam process, is：
(1) removing pipeline outer wall and the adherency of protective shell inner wall influences the impurity of foaming layer bonding；
(2) protective shell is sleeved on one entirety of formation on pipeline, referred to as treats the PPR hot-water lines of isothermal holding, then will treat
The PPR hot-water lines of isothermal holding are placed on device；
(3) aperture is opened in the center for the PPR hot-water lines for treating isothermal holding；
(4) mixed raw material is treated by foaming machine from aperture injection inside the PPR hot-water lines of isothermal holding and from waiting to keep the temperature
The center of the PPR hot-water lines of processing is foamed simultaneously to both ends, obtains the foaming layer of even density；
(5) treat that the PPR hot-water lines of isothermal holding are cooled and shaped, finishing obtains finished product thermal insulation pipe.
Preferably, the PPR hot-water lines for treating isothermal holding in the step (2) are horizontal positioned.
Preferably, mixed raw material is polyurethane, magnesium hydroxide and lubricant in the step (4).
Preferably, blowing temperature is 38~42 DEG C in the step (4).
The present invention also provides a kind of devices for New hot oil line foam process, including rack, the frame ground
Portion is equipped with idler wheel, and frame top is equipped with crossbeam, and crossbeam, which is equipped with, places block, and it is one group to place block two, places block group in crossbeam
Upper uniformly arrangement is treated that the PPR hot-water lines of isothermal holding are placed on and is placed in block group.
Preferably, the quantity of the crossbeam is 2~5.
Preferably, the crossbeam is parallel with horizontal plane.
The beneficial effects of the present invention are：The present invention using the both ends of pipeline are placed in same level, note by centre
Expect the technique toward both sides while foaming, insulating layer even density, product quality height；The present invention insulating layer inside will not hollowing,
Heat insulation effect is good；The production efficiency of the present invention is higher than common process, saves production cost；The device of the invention is simple in structure, just
In maintenance.
Description of the drawings
Fig. 1 is the stereogram of apparatus of the present invention；
Fig. 2 is the front view of apparatus of the present invention.
Wherein：1st, crossbeam；2nd, rack；3rd, block is placed；4th, idler wheel；5th, the PPR hot-water lines of isothermal holding are treated.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As depicted in figs. 1 and 2, include rack 2 for the device of New hot oil line foam process, in the bottom of rack 2
It is equipped with and facilitates device carrying or mobile idler wheel 4,2~5 crossbeams 1, crossbeam 1 shown in Fig. 1 are fixed at the top of rack 2
Quantity is 3, and the quantity of crossbeam 1 can be adjusted as needed, and crossbeam 1 needs keeping parallelism with horizontal plane, pacifies on crossbeam 1
Equipped with block 3 is placed, block 3 is placed in inverted " v ", it is one group to place block 3 two, places block group and uniformly arranges on crossbeam 1, waits to protect
The PPR hot-water lines 5 of temperature processing, which are placed on, to be placed in block group, and device so as to treat that the PPR hot-water lines 5 of isothermal holding keep horizontal positioned
State.
Embodiment 1
A kind of the step of New hot oil line foam process, the foam process is：(1) it removes in pipeline outer wall and protective shell
Wall adherency influences the impurity of foaming layer bonding；(2) protective shell is sleeved on one entirety of formation on pipeline, referred to as treats isothermal holding
Then the PPR hot-water lines 5 for treating isothermal holding are placed on device by PPR hot-water lines 5；(3) in the PPR hot water for treating isothermal holding
Open an aperture in the center of pipe 5；(4) mixed raw material is treated to the PPR hot-water lines 5 of isothermal holding by foaming machine from aperture injection
Internal and foam simultaneously to both ends from the center for the PPR hot-water lines 5 for treating isothermal holding, blowing temperature control is 38 DEG C, this foaming
At a temperature of product quick solidifying, obtain the foaming layer of even density；(5) it treats that the PPR hot-water lines 5 of isothermal holding are cooled and shaped, modifies,
Obtain finished product thermal insulation pipe.
Embodiment 2
A kind of the step of New hot oil line foam process, the foam process is：(1) it removes in pipeline outer wall and protective shell
Wall adherency influences the impurity of foaming layer bonding；(2) protective shell is sleeved on one entirety of formation on pipeline, referred to as treats isothermal holding
Then the PPR hot-water lines 5 for treating isothermal holding are placed on device by PPR hot-water lines 5；(3) in the PPR hot water for treating isothermal holding
Open an aperture in the center of pipe 5；(4) mixed raw material is treated to the PPR hot-water lines 5 of isothermal holding by foaming machine from aperture injection
Internal and foam simultaneously to both ends from the center for the PPR hot-water lines 5 for treating isothermal holding, blowing temperature control is 40 DEG C, this foaming
At a temperature of react thorough, foaming effect is good, obtains the foaming layer of even density；(5) treat that the PPR hot-water lines 5 of isothermal holding cool down
Molding, finishing, obtains finished product thermal insulation pipe.
Embodiment 3
A kind of the step of New hot oil line foam process, the foam process is：(1) it removes in pipeline outer wall and protective shell
Wall adherency influences the impurity of foaming layer bonding；(2) protective shell is sleeved on one entirety of formation on pipeline, referred to as treats isothermal holding
Then the PPR hot-water lines 5 for treating isothermal holding are placed on device by PPR hot-water lines 5；(3) in the PPR hot water for treating isothermal holding
Open an aperture in the center of pipe 5；(4) mixed raw material is treated to the PPR hot-water lines 5 of isothermal holding by foaming machine from aperture injection
Internal and foam simultaneously to both ends from the center for the PPR hot-water lines 5 for treating isothermal holding, blowing temperature control is 42 DEG C, this foaming
At a temperature of react thorough, foaming effect is preferable, obtains the foaming layer of even density；(5) treat that the PPR hot-water lines 5 of isothermal holding are cold
But it is molded, modifies, obtain finished product thermal insulation pipe.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of New hot oil line foam process, it is characterised in that：The step of foam process is：
(1) removing pipeline outer wall and the adherency of protective shell inner wall influences the impurity of foaming layer bonding；
(2) protective shell is sleeved on one entirety of formation on pipeline, referred to as treats the PPR hot-water lines of isothermal holding, then will wait to protect
The PPR hot-water lines of temperature processing are placed on device；
(3) aperture is opened in the center for the PPR hot-water lines for treating isothermal holding；
(4) mixed raw material is treated by foaming machine from aperture injection inside the PPR hot-water lines of isothermal holding and from treating isothermal holding
The centers of PPR hot-water lines foam simultaneously to both ends, obtain the foaming layer of even density；
(5) treat that the PPR hot-water lines of isothermal holding are cooled and shaped, finishing obtains finished product thermal insulation pipe.
2. a kind of New hot oil line foam process according to claim 1, it is characterised in that：In the step (2)
Treat that the PPR hot-water lines of isothermal holding are horizontal positioned.
3. a kind of New hot oil line foam process according to claim 1, it is characterised in that：It is mixed in the step (4)
Conjunction raw material is polyurethane, magnesium hydroxide and lubricant.
4. a kind of New hot oil line foam process according to claim 1, it is characterised in that：It is sent out in the step (4)
It is 38~42 DEG C to steep temperature.
5. a kind of device for New hot oil line foam process described in claim 1, it is characterised in that：Including rack, institute
Bottom of the frame is stated equipped with idler wheel, frame top is equipped with crossbeam, and crossbeam, which is equipped with, places block, and it is one group to place block two, places block
Group is uniformly arranged on crossbeam, is treated that the PPR hot-water lines of isothermal holding are placed on and is placed in block group.
6. the device of New hot oil line foam process according to claim 5, it is characterised in that：The quantity of the crossbeam is
2~5.
7. the device of New hot oil line foam process according to claim 5, it is characterised in that：The crossbeam and horizontal plane
It is parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711225388.5A CN108215045A (en) | 2017-11-29 | 2017-11-29 | A kind of New hot oil line foam process and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711225388.5A CN108215045A (en) | 2017-11-29 | 2017-11-29 | A kind of New hot oil line foam process and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108215045A true CN108215045A (en) | 2018-06-29 |
Family
ID=62653556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711225388.5A Pending CN108215045A (en) | 2017-11-29 | 2017-11-29 | A kind of New hot oil line foam process and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108215045A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822811A (en) * | 2019-02-20 | 2019-05-31 | 山东恒宝绝热材料有限公司 | A kind of radial opening and pressure-resistant high temperature resistant rubber-plastic thermal insulation pipe foam device |
| CN113635509A (en) * | 2021-08-13 | 2021-11-12 | 常州丰锦塑胶科技有限公司 | Foaming process of compression-resistant heat-insulating pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4035268A1 (en) * | 1990-11-02 | 1991-05-02 | Koenig Werner | Remote controlled heating tubes with water-tight foam coating - by using inclined two part mould into which foam is fed followed by dip container for coating foam with silicate binder layer |
| CN104315303A (en) * | 2014-10-08 | 2015-01-28 | 哈尔滨朗格斯特节能科技有限公司 | Special foaming vehicle for prefabricated directly-buried heat insulation pipe |
| CN105953030A (en) * | 2016-07-01 | 2016-09-21 | 香格里拉市智友新能源有限公司 | PPR-PVC compound insulation pipe |
| CN205859355U (en) * | 2016-08-03 | 2017-01-04 | 天津市津能管业有限公司 | Twin shaft alarming line bracing frame |
| CN106366276A (en) * | 2016-08-26 | 2017-02-01 | 江苏中圣管道工程技术有限公司 | High-density rigid polyurethane foam material prefabricated heat insulating pipeline and prefabricating method |
-
2017
- 2017-11-29 CN CN201711225388.5A patent/CN108215045A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4035268A1 (en) * | 1990-11-02 | 1991-05-02 | Koenig Werner | Remote controlled heating tubes with water-tight foam coating - by using inclined two part mould into which foam is fed followed by dip container for coating foam with silicate binder layer |
| CN104315303A (en) * | 2014-10-08 | 2015-01-28 | 哈尔滨朗格斯特节能科技有限公司 | Special foaming vehicle for prefabricated directly-buried heat insulation pipe |
| CN105953030A (en) * | 2016-07-01 | 2016-09-21 | 香格里拉市智友新能源有限公司 | PPR-PVC compound insulation pipe |
| CN205859355U (en) * | 2016-08-03 | 2017-01-04 | 天津市津能管业有限公司 | Twin shaft alarming line bracing frame |
| CN106366276A (en) * | 2016-08-26 | 2017-02-01 | 江苏中圣管道工程技术有限公司 | High-density rigid polyurethane foam material prefabricated heat insulating pipeline and prefabricating method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822811A (en) * | 2019-02-20 | 2019-05-31 | 山东恒宝绝热材料有限公司 | A kind of radial opening and pressure-resistant high temperature resistant rubber-plastic thermal insulation pipe foam device |
| CN113635509A (en) * | 2021-08-13 | 2021-11-12 | 常州丰锦塑胶科技有限公司 | Foaming process of compression-resistant heat-insulating pipe |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180629 |