CN112895246A

CN112895246A - Multi-specification pipeline forming furnace

Info

Publication number: CN112895246A
Application number: CN202110135948.8A
Authority: CN
Inventors: 李义宝; 吴如将
Original assignee: Jinhu Three Wood Machinery Industry Co ltd
Current assignee: Jinhu Three Wood Machinery Industry Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-06-04

Abstract

The invention discloses a multi-specification pipeline forming furnace which comprises a furnace barrel and a sleeve, wherein the outer diameter of the sleeve is smaller than the inner diameter of the furnace barrel, the end part of the sleeve is connected with the furnace barrel through a flange plate through a bolt, a heat conduction material is filled between the sleeve and the furnace barrel, and the sleeve is provided with multiple specifications. The sleeve outer wall is provided with at least one annular heat insulation plate to divide the sleeve outer wall into at least two heating zones, and when the sleeve is arranged in the furnace barrel, the heat insulation plate is in contact fit with the inner wall of the furnace barrel. The sleeve with the outer diameter smaller than the inner diameter of the furnace cylinder is arranged, so that a furnace does not need to be additionally arranged when a pipeline with a smaller pipe diameter is processed, the heat conducting material is filled between the sleeve and the inner wall of the furnace cylinder, heat energy can be effectively transmitted, heat source loss is reduced, the sleeves with other specifications are convenient to disassemble and replace in a flange plate bolt connection mode, the flange plate bolt connection mode is effectively suitable for processing pipelines with multiple specifications, and the production cost is greatly reduced.

Description

Multi-specification pipeline forming furnace

Technical Field

The invention belongs to the field of glass fiber pipeline manufacturing, and particularly relates to a multi-specification pipeline forming furnace.

Background

In daily life, the shadow of pipelines such as underground pipelines and ground pipelines including large tap water pipelines, sewage pipelines, oil pipelines and the like is everywhere. In the prior various large-sized pipelines, the purposes and the strength are considered, and glass fiber is basically mixed to be used as a raw material for manufacturing the pipelines. The glass fiber pipeline is manufactured by feeding the pipeline material wrapped on the core mold into a heating forming furnace for curing and forming, and drawing the pipeline material out of the furnace under the action of a drawing machine to finish the manufacturing of the pipeline.

Besides large pipes, there are also many small pipes of different specifications, and the forming furnaces to be used for matching are different due to different diameters. The inner diameter of a forming furnace is in various specifications, such as 100, 125, 150, 175, 200 and the like, and manufacturers match different forming furnaces according to the specifications when producing pipelines with different purposes, however, the manufacturing cost of the forming furnaces is high, and the corresponding forming furnace is produced aiming at each specification of pipelines, so that the overall production cost is high, and therefore, the invention is specially designed for reducing the cost of the forming furnace and ensuring the adaptive production of the pipelines with various specifications.

Disclosure of Invention

The invention aims to provide a multi-specification pipeline forming furnace, which is characterized in that a sleeve which is detachably mounted and has an outer diameter smaller than the inner diameter of a furnace cylinder is arranged, so that a furnace does not need to be additionally arranged when a pipeline with a smaller pipe diameter is processed, only the sleeve meeting the size requirement needs to be mounted in the furnace cylinder, a heat conducting material is filled between the sleeve and the inner wall of the furnace cylinder, heat energy can be effectively transferred, heat source loss can be reduced, the sleeves with other specifications can be conveniently detached and replaced by a flange plate bolt connection mode, the multi-specification pipeline forming furnace is effectively suitable for processing of pipelines with multiple specifications, and the production cost is greatly.

In order to achieve the purpose, the invention adopts the following technical scheme:

the multi-specification pipeline forming furnace further comprises a sleeve, the outer diameter of the sleeve is determined according to the size of a pipeline required to be produced, the outer diameter of the sleeve is smaller than the inner diameter of the furnace cylinder, the sleeve is detachably mounted in the furnace cylinder, and a heat conduction material is filled between the sleeve and the furnace cylinder.

The pipeline needs to be heated and fixed before forming a finished product, the core mold covered with the pipeline material to be formed is pulled by a tractor to enter the furnace barrel, the pipeline can be processed under the condition of matching with the specification of the furnace barrel to reach the industrial standard of the heated and fixed, therefore, the sleeve which is detachably installed and has the outer diameter smaller than the inner diameter of the furnace barrel is arranged, so that a furnace does not need to be additionally arranged when the pipeline with the smaller pipe diameter is processed, the sleeve can be installed in the furnace barrel in a detachable mode to heat and fix the pipeline with the smaller pipe diameter, the heat conducting material is filled between the sleeve and the inner wall of the furnace barrel, the heat energy can be effectively transferred to reduce the heat source loss, in addition, the sleeve with other specifications can be conveniently replaced by the detachable installation mode.

In a further development of the invention, the sleeve is connected to the furnace shaft by means of a flange by means of bolts.

In a further development of the invention, only one of the flanges is provided at the inlet end of the furnace shaft.

The invention has the further improvement scheme that the heat conduction material is heat conduction silicone grease or heat conduction glue or heat conduction paste.

According to a further improvement scheme of the invention, the outer wall of the sleeve is provided with at least one circumferential heat insulation plate to divide the outer wall of the sleeve into at least two heating zones, and when the sleeve is arranged in the furnace barrel, the heat insulation plate is in contact fit with the inner wall of the furnace barrel.

According to a further improvement scheme of the invention, the furnace barrel is internally provided with heating chambers matched with the heating zones in number, and the temperatures of the heating chambers are sequentially increased from front to back.

According to a further improvement scheme of the invention, the heating chambers are independent chambers, and an electric stove wire for heating is wound on the inner wall of each heating chamber and is electrically connected to the heater. An electric furnace wire heating device.

According to a further improvement scheme, the furnace barrel comprises an inner barrel and an outer barrel, annular oil grooves are formed in the outer wall of the inner barrel and are arranged in a segmented mode according to the number of the heating chambers, the oil grooves extend from one end of each heating chamber to the other end of each heating chamber along the axial direction of the inner barrel, the outer barrel is sleeved on the outer wall of the inner barrel in a clearance fit mode and forms a closed oil path with the oil grooves, two ends of the oil path are communicated with oil pipes to form a loop, and the oil pipes are communicated with an oil.

Compared with the prior art, the invention has the following beneficial effects:

(1) the pipeline needs to be heated and fixed before forming a finished product, the core mold covered with the pipeline material to be formed is pulled by a tractor to enter the furnace barrel, the pipeline can be processed under the condition of matching with the specification of the furnace barrel to reach the industrial standard of the heated and fixed, therefore, the sleeve which is detachably installed and has the outer diameter smaller than the inner diameter of the furnace barrel is arranged, so that a furnace does not need to be additionally arranged when the pipeline with the smaller pipe diameter is processed, the sleeve can be installed in the furnace barrel in a detachable mode to heat and fix the pipeline with the smaller pipe diameter, the heat conducting material is filled between the sleeve and the inner wall of the furnace barrel, the heat energy can be effectively transferred to reduce the heat source loss, in addition, the sleeve with other specifications can be conveniently replaced by the detachable installation mode.

(2) Through ring flange bolted connection between sleeve and the stove section of thick bamboo, the ring flange only need establish the pipeline be drawn the import department that advances can, compare in both ends all establish and can save operating procedure and part cost, even if pipeline and sleeve inner wall take place the friction in addition, because the pipeline is drawn out from the other end export, the ring flange only can advance to the port complex inseparabler with the stove section of thick bamboo under the effect of frictional force, can not arouse the ascending skew of sleeve axial.

(3) The sleeve outer wall sets up the hoop heat insulating board and keeps apart out two at least zone of heating, the heat insulating board forms comparatively independent space with the zone of heating when the sleeve is installed in the stove section of thick bamboo, be equipped with the heating cavity that corresponds with the zone of heating in the stove section of thick bamboo, make the pipeline material that every heating cavity corresponds down have different shaping temperature, carry out temperature control through the oil temperature to different heating cavities, the steerable shaping temperature gradient of treating the shaping pipeline, make the shaping more effective, pipeline strength and toughness after the shaping are better.

(4) The mode of setting up the electric stove silk winding heats a stove section of thick bamboo inner wall and makes the pipeline shaping more effective, and pipeline intensity and toughness after the shaping are better.

(5) The structure of inner tube and urceolus is established to the stove section of thick bamboo, the inner tube outer wall is seted up the oil groove and is established the oil circuit that can the fuel feeding pass through with the urceolus cover, the oil circuit communicates to oil temperature machine formation return circuit through oil pipe, use oil temperature machine to oil heating back, the oil pump that will have specific temperature after will heating again goes into the oil groove, the oil temperature in the effective control heating furnace, it is comparatively invariable that temperature variation floats to make in the heating furnace, the quality of pipeline obtains the management and control more easily, the mode power consumption of oil circulation heating is lower and overall stability is.

Drawings

FIG. 1 is a schematic view of the structure of the present invention under the installation of various specifications of sleeves

FIG. 2 is a schematic view of the structure of the sleeve and the flange of the present invention

FIG. 3 is a schematic structural view of a heating method in embodiment 1 of the present invention

FIG. 4 is a schematic sectional view of a heating method in embodiment 2 of the present invention

FIG. 5 is a left side view of the structure of FIG. 4

FIG. 6 is a schematic structural view of a heating method in embodiment 2 of the present invention

In the figure: 1-furnace cylinder; 2-a sleeve; 3-a flange plate; 4-a thermally conductive material; 5-insulating board; 6-heating the chamber; 7-electric furnace wire; 8-a heater; 9-oil pipe; 10-oil groove; 11-oil temperature machine; 12-a pipeline; 13-inner cylinder; 14-outer cylinder.

Detailed Description

The present invention is further illustrated by the following detailed description in conjunction with the accompanying drawings, it being understood that the following detailed description is illustrative of the invention only and is not intended to limit the scope of the invention, which is to be given the full breadth of the appended claims and any and all equivalent modifications thereof which will occur to those skilled in the art upon reading the present specification.

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example 1:

12 shaping stoves of many specifications pipeline, including a stove section of thick bamboo 1, still include the sleeve 2 that the external diameter is less than a stove section of thick bamboo 1 internal diameter, 2 tip of sleeve pass through ring flange 3 and stove section of thick bamboo 1 bolted connection, it should be understood that its thickness of the annular end face of stove section of thick bamboo 1 is great and seted up the screw and be used for connecting ring flange 3, and in this scheme, ring flange 3 is equipped with one and installs the port that stove section of thick bamboo 1 advances to, it has heat conduction material 4 to fill between sleeve 2 and the stove section of thick bamboo 1, and heat conduction material 4 in this scheme is heat conduction silicone grease or heat.

In this scheme, 1 internal diameter specification of a stove section of thick bamboo is 200mm, and sleeve 2 is equipped with multiple specification, and 2 external diameters of sleeve that is adapted to this stove section of thick bamboo 1 of cooperation have 150mm, 175mm etc., and then stove section of thick bamboo 1 in this scheme can be used for processing the 12 materials of pipeline of three kinds of different specifications, and in order to guarantee that the effect of the solid type of heating is located the industry standard, the absolute difference in 2 external diameters of sleeve and 1 internal diameter clearance of stove section of thick bamboo should carry out the adaptability adjustment according to actual heating needs.

2 outer walls of sleeve are equipped with at least one hoop heat insulating board 5 and separate into two at least zone of heating with 2 outer walls of sleeve, when sleeve 2 installs in a stove section of thick bamboo 1, heat insulating board 5 and the cooperation of 1 inner wall contact of a stove section of thick bamboo, heat insulating board 5 this moment, 1 inner wall of a stove section of thick bamboo and 2 outer walls of sleeve form two at least independent spaces, fill materials such as heat conduction cream in this independent space, still be equipped with quantity and the heating chamber 6 that the zone of heating matches in a stove section of thick bamboo 1, heating chamber 6 rises from the front to the back temperature in proper order, so heat conduction cream in the heat energy accessible independent space of heating chamber.

Heating chamber 6 is independent cavity, and every 6 inner walls of heating chamber all twine the electric stove silk 7 that is used for the heating, electric stove silk 7 electric connection to heater 8 in this scheme the electric stove silk can be established to heating along inner wall hoop winding mode, also can be established to electric blanket form winding and lay, and electric stove silk 7 electric connection to heater 8 promptly the heating source should be conventional means of use, and not with the repeated description. Heating device for electric stove wire

Example 2:

the present embodiment improves the heating temperature raising manner of the heating chamber 6 on the basis of embodiment 1. In this scheme, a stove section of thick bamboo 1 includes inner tube 13 and urceolus 14, and annular oil groove 10 has been seted up to inner tube 13 outer wall, and oil groove 10 sets up according to heating chamber 6 quantity segmentation, and oil groove 10 follows inner tube 13 axial extension to the other end from every heating chamber 6's one end, and outer tube 14 cover is established and is formed closed oil circuit at inner tube 13 outer wall clearance fit and with oil groove 10, and the oil circuit both ends communicate oil pipe 9 and form the return circuit, and oil pipe 9 communicates to oil temperature machine 11. It should be understood that, in order to ensure the arrangement of the oil inlet pipe 9 and the oil outlet pipe 9, the diameter of the flange 3 should be no obstacle to the position of the oil groove 10 formed on the inner cylinder 13. Oil groove 10 is seted up to inner tube 13 outer wall and the outer tube 14 cover is established and is formed the oil circuit that can the fuel feeding passes through, the oil circuit passes through oil pipe 9 and communicates to oil temperature machine 11 and forms the return circuit, use oil temperature machine 11 to oil heating back, the oil pump that will have specific temperature after will heating again goes into oil groove 10, the oil temperature in the effective control heating furnace for temperature variation floats low comparatively invariably in the heating furnace, the quality of pipeline 12 obtains the management and control more easily, mode power consumption that the oil circulation was heated simultaneously is lower and overall stability is good.

The rest is the same as the above embodiments, and is not described herein.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Many specifications pipeline forming furnace, including a stove section of thick bamboo (1), its characterized in that: the heat-conducting type heat-insulating furnace barrel is characterized by further comprising a sleeve (2) which is determined according to the size of a pipeline required to be produced and has an outer diameter smaller than the inner diameter of the furnace barrel (1), the sleeve (2) is detachably mounted in the furnace barrel (1), and a heat-conducting material (4) is filled between the sleeve (2) and the furnace barrel (1).

2. The multi-specification tube forming furnace of claim 1, wherein: the sleeve (2) is connected with the furnace barrel (1) through a flange plate (3) by bolts.

3. The multi-specification tube forming furnace of claim 2, wherein: the flange plate (3) is only provided with one flange plate and is arranged at the inlet port of the furnace cylinder (1).

4. The multi-specification tube forming furnace of claim 4, wherein: the heat conduction material (4) is heat conduction silicone grease or heat conduction glue or heat conduction paste.

5. The multi-specification tube forming furnace of claim 1, wherein: the outer wall of the sleeve (2) is provided with at least one annular heat insulation plate (5) to divide the outer wall of the sleeve (2) into at least two heating zones, and when the sleeve (2) is installed in the furnace barrel (1), the heat insulation plate (5) is in contact fit with the inner wall of the furnace barrel (1).

6. The multi-specification tube forming furnace of claim 6, wherein: the furnace barrel (1) is internally provided with heating chambers (6) the number of which is matched with that of the heating zones, and the temperatures of the heating chambers (6) are sequentially increased from front to back.

7. The multi-specification tube forming furnace of claim 7, wherein: the heating chambers (6) are independent chambers, and electric stove wires for heating are wound on the inner wall of each heating chamber (6) and are electrically connected to the heater.

8. The multi-gauge tube forming furnace of any one of claims 1 to 7, wherein: stove section of thick bamboo (1) includes inner tube (13) and urceolus (14), annular oil groove (10) have been seted up to inner tube (13) outer wall, oil groove (10) are according to heating chamber (12) (6) quantity segmentation sets up, oil groove (10) are followed one end of every heating chamber (6) and are followed inner tube (13) axial extension to the other end, urceolus (14) cover is established inner tube (13) outer wall clearance fit and with oil groove (10) form the closed oil circuit, the oil circuit both ends communicate oil pipe (9) and form the return circuit, oil pipe (9) communicate to oil temperature machine (11).