CN109648774B - Insulating tube firing equipment - Google Patents
Insulating tube firing equipment Download PDFInfo
- Publication number
- CN109648774B CN109648774B CN201910079670.XA CN201910079670A CN109648774B CN 109648774 B CN109648774 B CN 109648774B CN 201910079670 A CN201910079670 A CN 201910079670A CN 109648774 B CN109648774 B CN 109648774B
- Authority
- CN
- China
- Prior art keywords
- air
- heating
- chassis
- guide rail
- hydraulic cylinder
- 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.)
- Active
Links
- 238000010304 firing Methods 0.000 title description 3
- 238000010438 heat treatment Methods 0.000 claims abstract description 71
- 238000007664 blowing Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- 239000011229 interlayer Substances 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 2
- 238000004321 preservation Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 229920002635 polyurethane Polymers 0.000 abstract description 6
- 239000004814 polyurethane Substances 0.000 abstract description 6
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or cooling
- B29C44/3423—Heating or cooling by using a heated or cooled preformed part, e.g. in the mould
-
- 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
- B29C44/18—Filling preformed cavities
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a heating device for a heat preservation pipe, which comprises a blowing component, a return air component and a heating base, wherein the blowing component and the return air component are oppositely arranged, the heating base is positioned between the blowing component and the return air component, when the heating device is in operation, the blowing component and the return air component are connected with two ends of an outer protection pipe and a working pipe through a clamp, and hot air generated by the blowing component is discharged to the outside after passing through an inner cavity of the working pipe, the return air component, an interlayer of the outer protection pipe and the working pipe in sequence. The invention has novel structural design and simple operation, ensures that the outer protective tube and the working tube are in a preheating state in advance, and effectively avoids the condition that the foamed polyurethane is solidified when meeting cold in the injection process.
Description
Technical Field
The invention relates to the field of insulating pipe production equipment, in particular to insulating pipe heating equipment.
Background
The insulating tube generally includes outer pillar, work pipe and the insulating material of packing in two pipeline intermediate layers, and insulating material generally adopts to pour into the polyurethane that foams into the intermediate layer of outer pillar and work pipe, but the polyurethane that foams can solidify when meeting cold in the in-process of pouring into, leads to the fact leaving the clearance in two pipeline intermediate layers, seriously influences the heat preservation effect of insulating tube, based on this kind of circumstances, it is necessary to develop an insulating tube firing equipment for outer pillar and work pipe are in preheating state in advance, avoid the polyurethane that foams to meet cold condition that can solidify at the in-process of pouring into.
Disclosure of Invention
The invention aims to provide heating equipment for a heat preservation pipe, which solves the problem that a gap is reserved between two pipeline interlayers because foamed polyurethane can be solidified when being cooled in the injection process.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to a heating device for a heat preservation pipe, which comprises an air blowing component, an air return component and a heating base, wherein the air blowing component, the air return component and the heating base are arranged oppositely; when the air blower works, the air blower assembly and the air return assembly are connected with the two ends of the outer protective tube and the working tube through the clamping devices, and hot air generated by the air blower assembly sequentially passes through the inner cavity of the working tube, the air return assembly, the interlayer of the outer protective tube and the working tube and then is discharged to the outside;
the heating base is located under the outer protection tube and the working tube, and the top surface of the heating base is temporarily supported on the outer side wall of the outer protection tube during hoisting.
Further, the blast assembly includes first guide rail and follows the gliding first chassis of first guide rail, first guide rail and first chassis are connected through first pneumatic cylinder, fixedly connected with first dryer on the first chassis, the rear of first dryer is provided with fan and hydraulic system, fan and hydraulic system are all installed on the first chassis, and the air outlet of fan communicates with first dryer through the heating element, hydraulic system with first pneumatic cylinder is connected and drives its motion.
Further, the body of the first hydraulic cylinder is hinged to the first guide rail, and the working end of the first hydraulic cylinder is hinged to the first chassis.
Further, the heating element is specifically configured as an electric furnace.
Further, the return air assembly comprises a second guide rail and a second chassis sliding along the second guide rail, the second guide rail is connected with the second chassis through a second hydraulic cylinder, a second air cylinder is fixedly connected to the second chassis, and the second hydraulic cylinder is connected with the hydraulic system and driven by the hydraulic system.
Further, the body of the second hydraulic cylinder is hinged to the second guide rail, and the working end of the second hydraulic cylinder is hinged to the second chassis.
Further, circular air outlets are formed in the side walls of the first air duct and the second air duct, and two ends of the outer protection tube and the working tube are mounted at the air outlet of the first air duct and the air outlet of the second air duct through clamps respectively during operation.
Further, the upper surface of heating base is the V-arrangement, and the inside of heating base is provided with many heating pipes, fixedly connected with a plurality of fixing bases on the lateral wall of heating base, the fixing base passes through screw thread and support bolted connection.
Compared with the prior art, the invention has the beneficial technical effects that:
the invention relates to a heating device for a heat preservation pipe, which comprises a blowing component, a return air component and a heating base, wherein the blowing component, the return air component and the heating base are arranged oppositely, the heating base is positioned between the blowing component and the return air component, the operation of a fan is controlled, the blown air is blown into an interlayer of a working pipe, the working pipe and an outer protection pipe through the heating of a heating element, the advance preheating of the working pipe and the outer protection pipe is realized, and meanwhile, a heating pipe on the heating base further carries out heat preservation heating on the outer protection pipe. The invention has novel structural design and simple operation, ensures that the outer protective tube and the working tube are in a preheating state in advance, and effectively avoids the condition that the foamed polyurethane is solidified when meeting cold in the injection process.
Drawings
The invention is further described with reference to the following description of the drawings.
FIG. 1 is a schematic diagram of a heating apparatus for insulating pipes according to the present invention;
FIG. 2 is a side view of a heating base of the present invention;
FIG. 3 is a schematic structural view of a first air duct according to the present invention;
fig. 4 is a schematic operation diagram of the insulating tube heating apparatus of the present invention.
Reference numerals illustrate: 1. a blower assembly; 101. a first guide rail; 102. a first air duct; 103. a first hydraulic cylinder; 104. a hydraulic system; 105. a heating member; 106. a first chassis; 107. a blower; 2. heating the base; 201. heating pipes; 202. a fixing seat; 203. a support bolt; 3. a return air assembly; 301. a second guide rail; 302. a second chassis; 303. a second hydraulic cylinder; 304. a second air duct; 4. a working tube; 5. an outer protective tube.
Detailed Description
As shown in fig. 1 to 4, a heat insulation pipe heating apparatus includes a blower assembly 1, a return air assembly 3, and a heating base 2 between the blower assembly 1 and the return air assembly 3, which are disposed opposite to each other.
The blower assembly 1 comprises a first guide rail 101 and a first chassis 106 sliding along the first guide rail 101, specifically, a guide wheel is installed on the first chassis 106, the guide wheel slides along the first guide rail 101, the first guide rail 101 and the first chassis 106 are connected through a first hydraulic cylinder 103, specifically, a body of the first hydraulic cylinder 103 is hinged on the first guide rail 101, a working end of the first hydraulic cylinder 103 is hinged on the first chassis 106, and the first hydraulic cylinder 103 is controlled to act to drive the first chassis 106 to slide along the first guide rail 101. The first chassis 106 is welded with the first dryer 102, and the rear of first dryer 102 is provided with fan 107 and hydraulic system 104, and fan 107 and hydraulic system 104 are all installed on first chassis 106 through the bolt assembly to the air outlet of fan 107 communicates with first dryer 102 through heating element 105. In this embodiment, the heating element 105 is specifically configured as an electric furnace, in which a heating resistance wire is disposed, and two ends of the electric furnace are respectively installed at an air outlet of the fan 107 and a back surface of the first air duct 102 through bolt assemblies, and air blown out of the fan 107 is blown into the first air duct 102 through heating by the heating element 105.
The air return assembly 3 comprises a second guide rail 301 and a second chassis 302 sliding along the second guide rail 301, specifically, a guide wheel is installed on the second chassis 302, the guide wheel slides along the second guide rail 301, the second guide rail 301 and the second chassis 302 are connected through a second hydraulic cylinder 303, specifically, a body of the second hydraulic cylinder 303 is hinged on the second guide rail 301, a working end of the second hydraulic cylinder 303 is hinged on the second chassis 302, a second air duct 304 is welded on the second chassis 302, the second hydraulic cylinder 303 is controlled to act, the second chassis 302 is driven to slide along the second guide rail 301, in this embodiment, both the first hydraulic cylinder 103 and the second hydraulic cylinder 303 are controlled by a hydraulic system 104, the hydraulic system 104 mainly comprises parts such as a hydraulic oil tank, an oil pump, an electromagnetic valve and the like, the hydraulic system 104 belongs to conventional technical means, and the air return assembly can be implemented completely by a person skilled in the art, and is not repeated here.
As shown in fig. 3, circular air outlets are formed in the side walls of the first air duct 102 and the second air duct 304, threaded mounting holes are formed in the air outlets, and two ends of the outer protection pipe 5 and the working pipe 4 are mounted at the air outlets of the first air duct 102 and the second air duct 304 through clamps respectively.
The conventional function of the heating base 2 is to temporarily place the outer protective tube 5 and the working tube 4, in order to further improve the heating effect of the outer protective tube 5, as shown in fig. 2, the upper surface of the heating base 2 is V-shaped, and a plurality of heating pipes 201 are provided inside the heating base 2, both ends of the heating pipes 201 are welded on both end surfaces of the heating base 2, and specifically, heating resistance wires are provided inside the heating pipes 201. In order to make the heating base 2 better fit with the surface, the heating base 2 is prevented from shaking, a plurality of fixing seats 202 are welded on the side wall of the heating base 2, and the fixing seats 202 are connected with supporting bolts 203 through threads.
As shown in fig. 4, the working process of the present invention is as follows:
first, the first hydraulic cylinder 103 and the second hydraulic cylinder 303 are controlled to extend, the first chassis 106 and the second chassis 302 are respectively driven to move along respective tracks in opposite directions, when the distance between the air outlets of the first air duct 102 and the second air duct 304 is exactly matched with the lengths of the outer protection tube 5 and the working tube 4, the first hydraulic cylinder 103 and the second hydraulic cylinder 303 are stopped to act, the outer protection tube 5 and the working tube 4 are lifted by the crown block and are arranged at the air outlets of the first air duct 102 and the second air duct 304 by clamping devices at two ends, the fan 107 is controlled to operate, the blown air is blown into the first air duct 102 through the heating piece 105, the hot air is sequentially discharged to the outside after passing through the inner cavity of the working tube 4, the second air duct 304, the interlayer of the outer protection tube 5 and the working tube 4, and the heating tube 201 is electrified while the fan 107 is controlled to operate, and therefore the heating base 2 can also perform heat preservation and heating on the outer protection tube.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (6)
1. A thermal insulation pipe heating device, characterized in that: the air conditioner comprises an air blowing component (1), an air return component (3) and a heating base (2) which are arranged oppositely, wherein the heating base is positioned between the air blowing component (1) and the air return component (3); when the air blower works, the air blowing component (1) and the air return component (3) are connected with two ends of the outer protection pipe (5) and the working pipe (4) through the clamping devices, and hot air generated by the air blowing component (1) sequentially passes through an inner cavity of the working pipe (4), the air return component (3), an interlayer of the outer protection pipe (5) and the working pipe (4) and then is discharged to the outside;
the heating base (2) is positioned under the outer protective tube (5) and the working tube (4), and the top surface of the heating base (2) is temporarily supported on the outer side wall of the outer protective tube (5) during hoisting;
the air blast assembly (1) comprises a first guide rail (101) and a first chassis (106) sliding along the first guide rail (101), the first guide rail (101) and the first chassis (106) are connected through a first hydraulic cylinder (103), a first air cylinder (102) is fixedly connected to the first chassis (106), a fan (107) and a hydraulic system (104) are arranged behind the first air cylinder (102), the fan (107) and the hydraulic system (104) are both arranged on the first chassis (106), an air outlet of the fan (107) is communicated with the first air cylinder (102) through a heating piece (105), and the hydraulic system (104) is connected with the first hydraulic cylinder (103) and drives the first air cylinder (103) to move;
the return air assembly (3) comprises a second guide rail (301) and a second chassis (302) sliding along the second guide rail (301), the second guide rail (301) and the second chassis (302) are connected through a second hydraulic cylinder (303), a second air duct (304) is fixedly connected to the second chassis (302), and the second hydraulic cylinder (303) is connected with the hydraulic system (104) and driven through the hydraulic system (104).
2. The insulating tube heating apparatus according to claim 1, wherein: the body of the first hydraulic cylinder (103) is hinged to the first guide rail (101), and the working end of the first hydraulic cylinder (103) is hinged to the first chassis (106).
3. The insulating tube heating apparatus according to claim 1, wherein: the heating element (105) is in particular provided as an electric furnace.
4. The insulating tube heating apparatus according to claim 1, wherein: the body of the second hydraulic cylinder (303) is hinged on the second guide rail (301), and the working end of the second hydraulic cylinder (303) is hinged on the second chassis (302).
5. The insulating tube heating apparatus according to claim 1, wherein: circular air outlets are formed in the side walls of the first air duct (102) and the second air duct (304), and two ends of the outer protection tube (5) and the working tube (4) are installed at the air outlet of the first air duct (102) and the air outlet of the second air duct (304) through clamps respectively during operation.
6. The insulating tube heating apparatus according to claim 1, wherein: the upper surface of heating base (2) is the V-arrangement, and the inside of heating base (2) is provided with many heating pipes (201), fixedly connected with a plurality of fixing bases (202) on the lateral wall of heating base (2), fixing base (202) are connected with supporting bolt (203) through the screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910079670.XA CN109648774B (en) | 2019-01-28 | 2019-01-28 | Insulating tube firing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910079670.XA CN109648774B (en) | 2019-01-28 | 2019-01-28 | Insulating tube firing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109648774A CN109648774A (en) | 2019-04-19 |
| CN109648774B true CN109648774B (en) | 2024-01-09 |
Family
ID=66121790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910079670.XA Active CN109648774B (en) | 2019-01-28 | 2019-01-28 | Insulating tube firing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109648774B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203485356U (en) * | 2013-08-19 | 2014-03-19 | 天津裕实工程技术有限公司 | On-line type preheating device used before foaming of polyurethane directly-buried heat insulation pipe operating line |
| RU142892U1 (en) * | 2014-02-28 | 2014-07-10 | Общество С Ограниченной Ответственностью "Смит-Ярцево" | HEAT-INSULATED PIPE AND A SEPARATE SECTION OF A PIPELINE WITH HYDRO-PROTECTION ON THE EXTERNAL SURFACE AND ON THE ENDS |
| CN204036792U (en) * | 2014-08-18 | 2014-12-24 | 唐山兴邦管道工程设备有限公司 | A kind of preparation system of One-step production insulating tube |
| CN204222071U (en) * | 2014-11-04 | 2015-03-25 | 河南三杰热电科技股份有限公司 | The heater of polyurethane thermal pipe foaming |
| CN107097442A (en) * | 2017-04-14 | 2017-08-29 | 唐山兴邦管道工程设备有限公司 | A kind of polyurethane coating polyethylene winding insulating tube manufacturing equipment and manufacturing process |
| CN209492092U (en) * | 2019-01-28 | 2019-10-15 | 唐山兴邦管道工程设备有限公司 | A kind of insulating tube heating equipment |
-
2019
- 2019-01-28 CN CN201910079670.XA patent/CN109648774B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203485356U (en) * | 2013-08-19 | 2014-03-19 | 天津裕实工程技术有限公司 | On-line type preheating device used before foaming of polyurethane directly-buried heat insulation pipe operating line |
| RU142892U1 (en) * | 2014-02-28 | 2014-07-10 | Общество С Ограниченной Ответственностью "Смит-Ярцево" | HEAT-INSULATED PIPE AND A SEPARATE SECTION OF A PIPELINE WITH HYDRO-PROTECTION ON THE EXTERNAL SURFACE AND ON THE ENDS |
| CN204036792U (en) * | 2014-08-18 | 2014-12-24 | 唐山兴邦管道工程设备有限公司 | A kind of preparation system of One-step production insulating tube |
| CN204222071U (en) * | 2014-11-04 | 2015-03-25 | 河南三杰热电科技股份有限公司 | The heater of polyurethane thermal pipe foaming |
| CN107097442A (en) * | 2017-04-14 | 2017-08-29 | 唐山兴邦管道工程设备有限公司 | A kind of polyurethane coating polyethylene winding insulating tube manufacturing equipment and manufacturing process |
| CN209492092U (en) * | 2019-01-28 | 2019-10-15 | 唐山兴邦管道工程设备有限公司 | A kind of insulating tube heating equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109648774A (en) | 2019-04-19 |
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