Pressure adjustable support shock absorber

Abstract

The invention relates to a pressure adjustable support shock absorber developed for preventing the horizontally positioned heat treatment furnace crucibles (30) to be used in furnaces of different capacities and sizes, since they can also be adjusted according to the load, which are forced to warp, bend and break under temperature and load from collapsing, warping and for supporting the controlled elongation thereof in the desired direction.

Description

[0001] PRESSURE ADJUSTABLE SUPPORT SHOCK ABSORBER

[0002] TECHNICAL FIELD

[0003] The invention relates to a pressure adjustable support shock absorber developed for preventing the horizontally positioned heat treatment furnace crucibles to be used in furnaces of different capacities and sizes, since they can also be adjusted according to the load, which are forced to warp, bend and break under temperature and load from collapsing, warping and for supporting the controlled elongation thereof in the desired direction.

[0004] STATE OF THE ART

[0005] In the horizontal type furnaces used today, the crucibles are subjected to loads without support between the two end points. In current embodimemts, the crucibles are fixed at the front flange surface (at one end), while the other end rests on a sliding plate surface, allowing free extension.

[0006] During the operation, the crucibles were subjected to uncontrolled warping and premature damage by cracking due to inadequate management of the elongation of the heavy loads caused by the high temperature.

[0007] As a result of the deterioration:

[0008] In the first stage, gas leaks occur and the gas atmosphere and process are not contained.

[0009] In the following process, the crucible is repaired or replaced.

[0010] In order to prevent this deterioration in a short time, either thicker crucible material is used or loading capacities are kept lower than normal. Increasing the thickness of the crucible to prevent distortion and deterioration without reducing the loading capacity prolongs the charging times in the heating and cooling steps required by the process and increases energy costs. Low capacity utilization increases operating costs and prevents efficient utilization. Due to the problems mentioned above, a new development is required.

[0011] DESCRIPTION OF INVENTION

[0012] The invention relates to a pressure adjustable support shock absorber developed for preventing the horizontally positioned heat treatment furnace crucibles to be used in furnaces of different capacities and sizes, since they can also be adjusted according to the load, which are forced to warp, bend and break under temperature and load from collapsing, warping and for supporting the controlled elongation thereof in the desired direction, in order to eliminate the above- mentioned disadvantages and to bring new advantages to the relevant technical field

[0013] The invention provides three or more support points on the lower surface of the crucible carrying the load between the two end points by means of pressure- adjustable and movable support rollers, and prevents deformation of the crucible in the direction of the load.

[0014] The aim of the invention is to prevent axial deformations by supporting the linear controlled elongation of the crucible under increasing temperature and load by means of pressure adjustable crucible expansion support shock absorbers and moving rollers.

[0015] Another aim of the invention is to prevent distortion and deterioration in a short time (before the warranty period expires) and to increase the crucible life.

[0016] Another aim of the invention is to adjust the spring pressure according to the oven type and maximum load (according to the average intensity of use).

[0017] In the invention, the sheet thickness is reduced in crucibles of the same capacity (Example: In a furnace with 2 tons / charge capacity, the sheet thickness was reduced from 8 mm to 6 mm). In addition, while the sheet thickness is reduced, capacity increase was achieved in furnaces with the same usage dimensions (Example: A furnace with 2,000 kg / charge capacity is continuously operating at 2,600 kg / charge capacity).

[0018] The invention, together with the thinning of the crucible thickness, has resulted in energy savings of 8 - 15%, especially in short processes (2 - 8 hours) and a reduction in gas consumption of 10 - 15% due to the shortening of the total process time.

[0019] The pressure adjustable support shock absorber according to the invention can be manufactured in different sizes, larger and smaller, and in different dimensions.

[0020] Brief Description of Drawings

[0021] The embodiments of the present disclosure which are summarized above and discussed in more detail below can be better understood by referring to exemplary embodiments of the present disclosure illustrated in the accompanying drawings. It should be noted, however, that the accompanying drawings only describe the typical embodiments of the present disclosure, and thus, are not to be considered as limiting the scope of the present disclosure such that other effective embodiments may also be within the scope of the present disclosure.

[0022] Figure-1 : The appearance of the furnace in which the invention is used.

[0023] Figure-2: Perspective view of the expansion support shock absorber according to the invention.

[0024] Figure-3: Front view of the expansion support shock absorber according to the invention.

[0025] Figure-4: Exploded view of the expansion support shock absorber according to the invention.

[0026] Figure-5: Detailed view of the expansion support shock absorber according to the invention. For ease of understanding, identical reference numerals are used where possible to indicate identical elements in the figures. Figures are not drawn to scale and can be simplified for clarity. It is contemplated that elements and features of an embodiment can be usefully incorporated into other embodiments without the need for further explanation.

[0027] Description of Details in Drawings

[0028] Described herein are the reference numbers shown in the figures.

[0029] 10. Resistor

[0030] 20. Furnace basket

[0031] 30. Crucible

[0032] 40. Expansion support shock absorber

[0033] 41 . Support roller

[0034] 42. Adjusting nut

[0035] 43. Pressure spring

[0036] DETAILED DESCRIPTION OF THE INVENTION

[0037] The preferred alternatives of the embodiment of pressure adjustable support shock absorber of invention, which are mentioned in this detailed description, are only intended for providing a better understanding of the subject-matter, and should not be construed in any restrictive sense.

[0038] The invention relats to the pressure adjustable support shock absorber, wherein as shown in Figure 1-5, it includes expansion support shock absorber (40), support roller (41 ), adjusting nut (42), pressure spring (43).

[0039] The resistor (10) is the electrically operated heating element that allows the furnace basket (20), i.e. the load and the crucible (30) to reach the desired temperature for the process. Resistors (10) are used to reach temperatures of 100-1100°C in the crucible (30). It is properly placed around the crucible (30) according to the furnace design. The resistors (10) are positioned vertically from top to bottom on the right and left of the crucible (30) when viewed from the door side of the furnace. Furnace basket (20) is the material loading basket into the furnace in which steel materials of different geometries to be heat treated in a closed gas atmosphere are placed. The furnace basket (20) is a conveyor fixture in the form of a conveyor grid in which the materials to be processed are arranged inside the furnace.

[0040] The crucible (30) is a horizontally positioned, gas-tight and load-bearing stainless steel sheet material structure that maintains the closed loop gas atmosphere throughout the process.

[0041] The expansion support shock absorber (40) prevents distortion of the crucible (30) under temperature and heavy load by providing support from the bottom of the crucible (30) and ensures healthy extension of the crucible (30) with the contact of the support roller (41 ).

[0042] The support roller (41 ) is a rotating structure in accordance with the geometry of the Crucible (30), which directs its smooth extension. The support roller (41 ) is the top element of the shock absorber assembly. The support roller (41 ) contacts the crucible (30) from the bottom side with the pressure of the shock absorber and allows the crucible (30) to move back and forth easily.

[0043] Adjusting nuts (42) are the nuts that adjust and fix the spring pressure according to the capacity. Adjusting nuts (42) are the lowest element of the shock absorber system and are used to adjust the pressure of the shock absorber.

[0044] The pressure spring (43) is a spring that can be installed according to capacity and supports the load in the opposite direction. The pressure spring (43) is selected in accordance with the furnace capacities and is the element that creates the pressing force of the shock absorber. It can keep the pressure adjusted according to the upward and downward load in a stable state.

[0045] A furnace crucible (30) made of stainless steel sheet material in a horizontal position is fixed to the body of the furnace at the front flange surface (at one end) and at the other end is mounted on a sliding plate surface. The bottom surface of the crucible (30) is supported by pressure-adjustable and movable support rollers (41 ).

[0046] The crucible (30) is heated from its outer surface with the help of resistors (10) during operation. The sealed crucible (30), which protects the gas atmosphere, expands and elongates in different axes as a result of heating under the heavy load furnace basket (20).

[0047] With the expansion support shock absorber (40), whose pressure is initially adjusted with adjusting nuts (42) according to the furnace capacity, the elongation caused by heating occurs in one direction towards the rear side under the direction of the rotating support roller (41 ) and no collapse and deformation of the crucible (30) is observed even at high loads.

[0048] On the bottom surface of the crucible (30), a pre-arranged counter-load is created upwards in the opposite direction to the furnace basket (20) to ensure that the crucible (30) does not collapse and the elongation is directed backwards by the rotating support roller (41 ).

Claims

CLAIMS1- A pressure adjustable expansion support shock absorber (40) developed for preventing the horizontally positioned heat treatment furnace crucibles (30) to be used in furnaces of different capacities and sizes, since they can also be adjusted according to the load, which are forced to warp, bend and break under temperature and load from collapsing, warping and for supporting the controlled elongation thereof in the desired direction, characterized in that it includes- Support roller (41 ), which contacts the crucible (30) from the bottom side with the pressure of the shock absorber and allows the crucible (30) to move back and forth,- Adjusting nuts (42), which are the lowest element of the shock absorber system and allow the pressure of the shock absorber to be adjusted,- The pressure spring (43), which is the spring that generates the shock absorber's pressing force and supports the load in the opposite direction.

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