CN214892666U

CN214892666U - Novel pipeline forming furnace

Info

Publication number: CN214892666U
Application number: CN202120279223.1U
Authority: CN
Inventors: 李义宝; 吴如将
Original assignee: Jinhu Threewood Machinery Industry Co ltd
Current assignee: Jinhu Threewood Machinery Industry Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-11-26
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses a novel pipeline forming furnace, including inner tube and urceolus, the hoop oil groove has been seted up to the inner tube outer wall, the oil groove is followed the one end of inner tube and is extended to the other end along the axial, the urceolus cover is established inner tube outer wall clearance fit and with the oil groove forms closed oil circuit, the oil circuit both ends intercommunication oil pipe forms the return circuit, oil pipe communicates to the oil temperature machine. At least two cavities are separated from the inner cylinder and the outer cylinder through heat insulation annular plates, each cavity comprises a preheating cavity and a curing cavity, and the two ends of an oil circuit of each preheating cavity and the two ends of the oil circuit of each curing cavity are respectively connected with an oil inlet pipe and an oil outlet pipe. The utility model discloses a set up the oil groove between inner tube and urceolus and form annular oil circuit, but the effective control oil temperature, the mode of circulation heating oil makes temperature variation float low, and the heating is stable for the easy management and control of pipeline quality, overall stability are good.

Description

Novel pipeline forming furnace

Technical Field

The utility model belongs to the glass fiber pipeline field of making especially relates to a novel 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 furnace for curing and molding, and drawing the pipeline material out of the furnace under the action of a drawing machine to finish the manufacturing of the pipeline.

Most of common heating furnaces heat the pipeline material on the core mold by using a heating plate to cure and mold the pipeline material, and the heating mode of the heating plate easily causes uneven heating of the pipeline material and poor use effect; or utilize and independently go out the mode that sets up the electric plate in the confined heating chamber between inner tube and urceolus to carry out the heating of pipeline material, this type of heating methods need set for the heating peak value, and its heating temperature easily presents undulant formula change during the use, thereby the temperature is unstable enough influences the solidification effect for pipeline quality is difficult to unify the management and control. In order to solve the above problems, we have specially designed the present invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel pipeline forming furnace forms annular oil circuit through seting up the oil groove between inner tube and urceolus, but the effective control oil temperature, and the mode of circulation heating oil makes temperature variation float lowly, and the heating is stable for the easy management and control of pipeline quality, overall stability are good.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel pipeline forming furnace, includes inner tube and urceolus, the hoop oil groove has been seted up to the inner tube outer wall, the oil groove extends to the other end along the axial from the one end of inner tube, the urceolus cover is established inner tube outer wall clearance fit and with the oil groove forms closed oil circuit, the oil circuit both ends intercommunication oil pipe forms the return circuit, oil pipe communicates to the oil temperature machine.

The outer wall of the inner barrel is provided with an oil groove which is sleeved with the outer barrel to form an oil path through which oil can pass, and a gap between the inner barrel and the outer barrel is not enough for oil molecules to pass, so that a closed oil path can be formed for oil. The oil circuit passes through oil pipe intercommunication to oil temperature machine formation return circuit, uses oil temperature machine to oil heating can the effective control oil temperature for the temperature is invariable, and oil circulation heating power consumption is lower and overall stability is good simultaneously.

The utility model discloses a further improvement is, separate two at least cavities through thermal-insulated crown plate between inner tube and the urceolus, the cavity is including preheating chamber and solidification chamber, the oil circuit both ends that preheat chamber and solidification chamber are connected with into oil pipe and play oil pipe respectively.

The utility model discloses a further improvement is, preheat the chamber advance oil pipe A and go out oil pipe A intercommunication to preheat the oil temperature room of oil temperature machine and form the return circuit, the solidification chamber advance oil pipe B and go out oil pipe B intercommunication to the solidification oil temperature room of oil temperature machine forms the return circuit.

The utility model discloses a further improvement is, the oil groove winds inner tube outer wall is seted up along the heliciform equidistant.

The utility model discloses a further improvement scheme is, the cross section of oil groove is semi-circular.

The utility model discloses a further improvement scheme is, the temperature that preheats the chamber is less than the temperature in curing chamber.

Compared with the prior art, the utility model, the beneficial effect who brings has:

(1) the outer wall of the inner barrel is provided with an oil groove which is sleeved with the outer barrel to form an oil path through which oil can pass, and a gap between the inner barrel and the outer barrel is not enough for oil molecules to pass, so that a closed oil path can be formed for oil. The oil circuit passes through oil pipe intercommunication to oil temperature machine formation return circuit, uses oil temperature machine to oil heating after, the oil pump that will have specific temperature after heating again goes into the oil groove, but the oil temperature in the effective control heating furnace for temperature variation floats low comparatively invariably in the heating furnace, and the quality of pipeline obtains the management and control easily, and oil circulation heating's mode power consumption is lower and overall stability is good simultaneously.

(2) Keep apart two at least cavities through thermal-insulated crown plate between inner tube and urceolus for pipeline material under every cavity parcel has different forming temperature, carries out temperature control to the oil temperature that communicates to different cavities through control oil temperature machine, and the steerable forming temperature gradient of treating the forming pipeline makes the shaping more effective, and pipeline intensity and toughness after the shaping are better.

(3) The preheating oil greenhouse and the curing oil greenhouse are respectively communicated to the corresponding oil inlet pipe and the corresponding oil outlet pipe, and the preheating cavity and the curing cavity are more conveniently controlled.

(4) The oil grooves are formed in the spiral shape at equal intervals, so that the oil way is uniformly distributed, and meanwhile, a relatively comprehensive heating effect can be achieved in the axial direction and the radial direction.

(5) The spiral oil groove similar to an oil pipeline is formed in the inner cylinder, so that the oil groove is distributed on the outer wall of the inner cylinder, pipeline materials are conveniently heated, the temperature of the preheating cavity is lower than that of the curing cavity under the control of oil temperature, the pipeline materials to be formed are heated at a relatively low temperature in advance and then enter a region with a higher temperature, the pipeline materials are firstly formed and then cured, and the overall strength is better.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention

FIG. 2 is a schematic view of the axial sectional structure of the furnace tube of the present invention

FIG. 3 is a schematic view of the radial sectional structure in the furnace tube of the present invention

FIG. 4 is the schematic diagram of the oil groove structure on the surface of the inner tube of the present invention

In the figure: 1-an inner cylinder; 2-outer cylinder; 3-an oil groove; 4-oil temperature machine; 5-heat insulation ring plate; 6-preheating chamber; 7-curing chamber: 81-oil inlet pipe A, 82-oil inlet pipe B, 83-oil inlet pipe C; 91-oil outlet pipe A, 92-oil outlet pipe B, 93-oil outlet pipe C; 10-preheating oil greenhouse; 11-solidified oil greenhouse; 12-a transition chamber; 13-transition oil greenhouse.

Detailed Description

The present invention will be further clarified by the following detailed description, which is to be understood as being given by way of illustration only, and not by way of limitation, of the scope of the invention, which, after reading the present invention, is intended to fall within the scope of the appended claims, as modified by those skilled in the art in various equivalent forms.

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example (b):

a novel pipeline forming furnace comprises an inner cylinder 1 and an outer cylinder 2, wherein the outer wall of the inner cylinder 1 is provided with a circumferential oil groove 3, the cross section of the oil groove 3 in the scheme is semicircular, the oil groove 3 spirally extends to the other end around one end of the inner cylinder 1 along the axial direction, and the oil groove 3 is spirally arranged at equal intervals; the outer cylinder 2 is sleeved on the outer wall of the inner cylinder 1 in clearance fit and forms a closed oil path with the oil groove 3, two ends of the oil path are communicated with oil pipes to form a loop, and the oil pipes are communicated with the oil temperature machine 4.

The utility model discloses a heat-insulating ring board, including preheating chamber 6 and solidification chamber, at least two cavities of separating through heat-insulating ring board 5 between inner tube 1 and the urceolus 2, in this scheme, the cavity has threely, promptly the solidification chamber comprises first solidification chamber 7 and second solidification chamber 12, the cavity is including preheating chamber 6, second solidification chamber 12 and the first solidification chamber 7 that heat up in proper order, according to every cavity area division be equipped with the three-section on its inner tube 1 wall that corresponds oil groove 3, the oil circuit both ends of preheating chamber 6, second solidification chamber 12 and first solidification chamber 7 are connected with into oil pipe and play oil pipe respectively.

In the scheme, a preheating oil greenhouse 10, a second curing oil greenhouse 11 and a first curing oil greenhouse 13 are respectively arranged in the oil temperature machine, an oil inlet pipe A81 and an oil outlet pipe A91 of the preheating cavity 6 are communicated with the preheating oil greenhouse 10 of the oil temperature machine 4 to form a loop, an oil inlet pipe B82 and an oil outlet pipe B92 of the second curing cavity 12 are communicated with the second curing oil greenhouse 11 of the oil temperature machine 4 to form a loop, and an oil inlet pipe C83 and an oil outlet pipe C93 of the first curing cavity 7 are communicated with the first curing oil greenhouse 13 of the oil temperature machine 4 to form a loop.

The specific working mode is as follows: before the pipeline material to be formed and wrapped on the surface of the core mold enters the inner cylinder 1, the oil temperature machine 4 is started, the oil in the preheating oil temperature chamber 10, the second solidified oil temperature chamber 11 and the first solidified oil temperature chamber 13 is heated to the specified temperature according to the set different temperatures, the oil at different temperatures is input into oil paths in the preheating cavity 6, the second solidified cavity 12 and the first solidified cavity 7 through the oil inlet pipe A81, the oil inlet pipe B82 and the oil inlet pipe C83 respectively, the oil with the reduced temperature after passing through the complete oil path returns to the corresponding positions of the oil temperature machine 4 through the oil outlet pipe A91, the oil outlet pipe B92 and the oil outlet pipe C93 respectively to be heated, the oil in the oil paths of the cavities for heating is input and output simultaneously, the pipeline material is circularly heated, the pipeline material is pulled to the inner cylinder 1 by the tractor, the pipeline material is sequentially heated and cured and formed through three regions with sequentially raised temperatures from front to back, the inner drum 1 is drawn out by a tractor, and the required pipeline is formed at the moment.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel pipeline forming furnace, includes inner tube (1) and urceolus (2), its characterized in that: annular oil groove (3) have been seted up to inner tube (1) outer wall, oil groove (3) are followed the one end of inner tube (1) and are followed the axial and extend to the other end, urceolus (2) cover is established inner tube (1) outer wall clearance fit and with oil groove (3) form the closed oil circuit, the oil circuit both ends intercommunication oil pipe forms the return circuit, oil pipe communicates to oil temperature machine (4).

2. The novel pipe forming furnace as claimed in claim 1, wherein: at least two cavities are separated from the inner cylinder (1) and the outer cylinder (2) through a heat insulation annular plate (5), each cavity comprises a preheating cavity (6) and a curing cavity, and oil inlet pipes and oil outlet pipes are connected to two ends of an oil circuit of the preheating cavity (6) and the curing cavity respectively.

3. The novel pipe forming furnace as claimed in claim 2, wherein: an oil inlet pipe A (81) and an oil outlet pipe A (91) of the preheating cavity are communicated to a preheating oil greenhouse (10) of the oil temperature machine (4) to form a loop, and an oil inlet pipe B (83) and an oil outlet pipe B (93) of the curing cavity are communicated to a curing oil greenhouse (11) of the oil temperature machine (4) to form a loop.

4. A novel pipe forming furnace as claimed in claim 2 or 3, wherein: the oil grooves (3) are arranged around the outer wall of the inner barrel (1) at equal intervals along a spiral shape.

5. The novel pipe forming furnace as claimed in claim 4, wherein: the cross section of the oil groove (3) is semicircular.

6. The novel pipe forming furnace as claimed in claim 5, wherein: the temperature of the preheating chamber (6) is lower than the temperature of the curing chamber.