APPARATUS, SYSTEM AND METHOD FOR FOLDING A SCREEN FOR USE WITH A SCREEN TENSIONING SYSTEM
20170282216 · 2017-10-05
Inventors
- Michael A. Timmerman (Cincinnati, OH, US)
- Robert A. Lunnemann (Florence, KY, US)
- Mark Heitfeld (Cleves, OH, US)
Cpc classification
B07B2201/02
PERFORMING OPERATIONS; TRANSPORTING
International classification
Abstract
An apparatus, a system and a method for reinforcing a screen has a screen rod assembly extending from a first end to a second end. The screen rod assembly encloses an interior. A spring-loaded plunger is located in the interior and adjusts the length of the screen rod assembly. A ball joint is on the screen rod and defines sections of the screen rod assembly that bend around the ball joint to reduce the length of the screen rod. A sleeve extends from a screen with segments separated by a fold line extending along a width of the screen. The sleeve receives the screen rod assembly to reinforce the screen. In an embodiment, a screen pinch assembly is defined where the sleeve engages a retention clasp of a screen tensioning system that receives the screen. The screen pinch assembly holds the screen in place.
Claims
1. An apparatus comprising: a screen rod enclosing an interior wherein the screen rod extends between opposing ends to define a length; a spring in the interior wherein the spring compresses to reduce the length of the screen rod and further wherein the spring expands to expand the length of the screen rod; and a joint on the screen rod wherein the joint is foldable to reduce the length of the screen rod.
2. The apparatus of claim 1 further comprising: a section on the screen rod defined by the joint wherein the section folds around the joint to reduce the length.
3. The apparatus of claim 1 wherein the length of the screen rod is reduced for insertion into a screen rod tensioning system.
4. The apparatus of claim 1 further comprising: an adhesive arc associated with the joint along the length of the screen rod.
5. The apparatus of claim 1 further comprising: a sleeve extending from a foldable screen wherein the sleeve receives the screen rod to reinforce the foldable screen.
6. The apparatus of claim 1 further comprising: a spring pin extending across the interior wherein the spring pin shortens the screen rod assembly.
7. The apparatus of claim 1 wherein the screen rod is compressed toward a center between the opposing ends.
8. A system comprising: a screen rod assembly extending from a first end to a second end with a length defined between the first end and the second end wherein the screen rod assembly encloses an interior; a spring-loaded plunger in the interior wherein the spring-loaded plunger adjusts the length of the screen rod assembly; a ball joint on the screen rod wherein the ball joint defines sections of the screen rod assembly that bend around the ball joint to reduce the length of the screen rod; and a sleeve on a screen with segments separated by a fold line extending along a width of the screen wherein the sleeve receives the screen rod assembly to reinforce the screen.
9. The system of claim 8 further comprising: a spring in the spring-loaded plunger wherein the spring compresses to reduce the length of the screen rod assembly.
10. The system of claim 8 further comprising: a spring pin in the spring-loaded plunger extending in the interior of the screen rod assembly wherein the spring pin reduces the length of the screen rod assembly.
11. The system of claim 8 further comprising: a plunger in the interior wherein a compressive force applied to the plunger reduces the length of the screen rod assembly.
12. The system of claim 8 further comprising: a section of the screen rod assembly that folds around the ball joint.
12. The system of claim 8 wherein the length of the screen rod assembly accommodates fitment of the screen into a screen rod tensioning system.
13. The system of claim 8 wherein the screen rod assembly reduces in length toward a center between the first end and the second end.
14. The system of claim 8 wherein the junction region with the sleeve accepting the screen rod assembly replaces a hinge allowing the segments to fold along the junction region.
15. The system of claim 8 wherein the sleeve extends from the screen to receive the screen assembly rod for operation with a screen rod tensioning system that receives the screen.
16. The system of claim 8 wherein the sleeve attaches to the screen at the fold line.
17. The system of claim 8 further comprising: a retention clasp associated with a screen tensioning system that receives the screen to hold the screen.
18. The system of claim 8 further comprising: a screen pinch assembly where the sleeve engages with a retention clasp of a screen tensioning system that receives the screen wherein the screen pinch assembly holds the screen.
19. A method comprising: unfolding a screen rod with segments defined by a joint on the screen rod wherein the segments unfold around the joint; uncoiling a spring in the screen rod to extend the screen rod; inserting the extended screen rod into a sleeve on a screen to reinforce the screen.
20. The method of claim 19 further comprising: compressing the spring to fold the screen.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
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DETAILED DESCRIPTION
[0025] Embodiments disclosed herein are applicable to separation devices that may be utilized in numerous industries. While specific embodiments may be described as utilized in the oilfield services and related industries, such as use with shale shakers, the device may be applicable in other industries where separation of liquid-solid, solid-solid and other mixtures may be separated. The embodiments may be utilized in the mining, pharmaceutical, food, medical or other industries to separate such mixtures.
[0026] In the following detailed description, reference is made to accompanying figures, which form a part hereof. In the figures, similar symbols or identifiers typically identify similar components, unless context dictates otherwise. The illustrative embodiments described herein are not meant to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter presented here. It will be readily understood that the aspects of the present disclosure, as generally described herein, and illustrated in the figures, may be arranged, substituted, combined and designed in a wide variety of different configurations, which are explicitly contemplated and form part of this disclosure.
[0027]
[0028] The tension rail 20 is attached to a side wall 22 of the basket 14. The tension rail 20 is attached via a tension bolt 24. Tightening the tension bolt 24 moves the tension rail 20 outwardly towards the interior walls 22 of the basket 14 of the separator 10 to apply tension to the hook strip screen 12. The retaining portion 19 of the tension rail 20 is pressed against the hook strip 18. The hook strip screen 12 is stretched over a crowned deck (not shown). The resulting arcuate profile of the hook strip screen 12 retains rigidity of the hook strip screen 12 during vibratory motion of the separator 10.
[0029] The hook strip screen 12 is located above a rectangular shaped ball box 28. The ball box 28 is held in the basket 14 of the separator 10 on a ball box rail 29. The ball box 28 contains balls and/or other objects (not shown) of various shapes and/or sizes therein. The objects may move during vibratory motion produced during operation of the separator 10. The movement of the objects impacts the hook strip screen 12 above the ball box 28 to prevent clogging of solids in apertures in the hook strip screen 12. The ball box 28 is supported by rails 30 attached to the interior walls 22 of the basket 14 of the separator 10.
[0030] Referring to
[0031] In an embodiment, the screen rod tensioning system 100 may have a screen 105 with one or more layers of wires, mesh or other substances that may be used to form apertures for separating particles of different sizes. The screen 105 may have mesh sized to separate predetermined sized particles. For example, the screen 105 may have mesh sized to separate a first sized solid from a second sized solid, desired solids form contaminants, liquid from solids, such as drill cuttings from drilling fluid. Mesh size may refer to the size of apertures in the screen 105.
[0032] The screen 105 may have a length and a width defined in a direction transverse to the length. The screen 105 may have a profile 110 positioned at the ends of the screen 105, such as on the edges of the screen 105. The profile 110 may be molded, attached or otherwise secured on opposing sides of the screen 105, such as along the length of each end of the screen 105. The profile 110 may have a circular or elliptical cross-section as shown. However, other shapes and/or cross-sections may be used. The profile 110 may be formed from a material with sufficient rigidity to maintain the shape of the profile 110. However, the profile 110 may be made from a material that may permit rolling the screen 105 width-wise instead of length-wise.
[0033] Thus, the screen rod tensioning system 100 may allow the screen 105 to be rolled width-wise. For example, a traditional five foot by twelve foot screen may require a twelve foot long tube for shipping and/or transport. The screen rod tensioning system 100 may allow the same size screen to be shipped in a five foot long tube. The reduction in size may improve the ease of handling the screen 105.
[0034] The screen rod tensioning system 100 may have a rod 115. The rod 115 may have a channel 120 to receive the profile 110 formed on the edge of the screen 105. For example, the channel 120 in the rod 115 may have a matching cross-section to accommodate the cross-section of the profile 110. As shown, the circular cross-section of the profile 110 may fit within the circular cross-section of the channel 120. The channel 120 may be sized slightly larger than the profile 110 so that the rod 115 may slide down the length L of the profile 110 of the screen 105 on both sides.
[0035] Thus, the profile 110 of the screen 105 may be inserted into the rod 115 in the screen rod tensioning system 100. As shown in
[0036] The screen rod tensioning system 100 may also eliminate the need for sectional screens in the separator 10. Some installations may not have adequate space around the separator 10 to install a full twelve foot screen, for example. For such installations, the use of sectional screens may be required. Typically, the sectional screens may be smaller sized screens installed adjacent to each other in the separator 10 to fill the basket 14 of the separator 10. However, sectional screens may be cumbersome and may create additional opportunities for bypass of the slurry.
[0037] In other embodiments, the screen rod tensioning system 100 may use different length rods arranged end-to-end on a common axis instead of one twelve foot rod 115. Further, the screen rod tensioning system 100 may allow replacement of the screen 105. During use of the screen 105 in industrial filtration systems, the screen 105 may become damaged. For example, the screen 105 may be used in the separator 10, shown in
[0038] Referring to
[0039] In an embodiment, the screen 122 may be equivalent to the screen 105, shown in
[0040] The screen 122 may have a left side 148 and a right side 146 and may be rolled and/or coiled in direction A as shown in
[0041] The hinge 132 between the left segment 126 and the right segment 128 may be centered between a left interface side 136 and a right interface side 138. An connection interface length 140 may extend from the left interface side 136 to the right interface side 138. An interface material 154, such as a flexible adhesive backed material, Velcro, tape, bonding substances, or other materials capable of securing segments 124 along the hinge 132. The interface material 154 may extend along the connection interface length 140 to adhere, for example, the left segment 126 to the center segment 128. In an embodiment, the connection interface length 140 may be approximately four inches. Further, in an embodiment, the connection interface length 140 may be shorter than four inches. The connection interface length 140 to prevent the segments 124 from butting together to allow for folding of the screen hinge 132 without damaging the screen 122.
[0042] The left segment 126 may be folded along the hinge 132 between the left segment 126 and the center segment 128 to reduce the length L of the screen 122. The interface material 154 extending across the connection interface length 140 may adhere the left segment 126 to the center segment 128 along the connection interface length 140 when folded.
[0043] The right segment 130 may be folded along the hinge 132 toward the center segment 128 to reduce the length L of the screen 122. The connection interface length 140 may extend from a left interface side 152 to the right interface side 142. The interface material 154 extending across the connection interface length 140 may adhere, connect or secure the right segment 130 to the center segment 128 along the connection interface length 140 when folded.
[0044] Referring to
[0045] The right segment 130 may be folded along the screen hinge 132 toward the center segment 128. In an embodiment, the left segment 126 may be folded on the center segment 128, and the right segment 130 may be folded on top of the left segment 126. The interface material 154 to the right of the gap 156 may adhere to the interface material 154 to the left of the gap 156 after the right segment 130 is folded on the center segment 128 and/or left segment 126. Accordingly, the length L of the screen 122 may be reduced from a maximum of approximately twelve feet when unfolded, to a minimum of approximately four feet, since each segment 124 may be approximately four feet in length.
[0046] In an embodiment, the screen 122 with the width W reduced to approximately four feet, may be rolled and/or coiled in direction A. Thus, the screen 122 may be shipped and/or transported with the length L of approximately four feet, as opposed to the length L of approximately twelve feet when the screen 122 may be unfolded. In an embodiment, the interface material 124 may be applied to a top side 160 of the screen 122 and a bottom side 162 of the screen 122 as shown in
[0047] Referring to
[0048] In an embodiment, the first junction area 166 and/or the second junction area 168 may have a ball joint 194 as shown in
[0049] Referring to
[0050] Further the sleeve 170 may generally have a width W extending from, for example, the screen 122. The sleeve 170 may extend the width W from the left side 148 and/or the right side 146 of the screen 122 to accommodate insertion and/or installation of the screen 122 into the screen rod tensioning system 100. In an embodiment, the sleeve 170 as shown in
[0051] Referring to
[0052] Referring to
[0053] The spring pin 182 may, upon receiving the compressive force in direction A, push the spring 184 toward the interface 182 to essentially shorten the screen rod assembly 164 by pushing the plunger 186 away from, for example, either the first end 208 or the second end 210 of the screen rod assembly 164 to a center 216 of the screen rod assembly 164 as shown in
[0054] In an embodiment, a tensile force in a direction B may be applied to pull the spring pin 182 and/or the spring 184 away from the center 216 of the spring rod assembly 164 to, for example, unfold segments 124 of the screen 122 prior to insertion of the screen 122 in the screen tensioning system 100. In an embodiment, the screen pin 182 may lock in place against the interior 204 of the screen rod assembly 164 to prevent additional movement of the screen pin 182, the screen 184, the interface 212 and/or the plunger 186. The locked screen pin 182 may hold the screen rod assembly at length L as shown in
[0055] The screen rod assembly 164 may be inserted into and/or threaded along the sleeve 170 that may extend from the left side 148 and/or the right side 146 of the screen 122. The sleeve 170 may be inserted into and/or correspond with a retention clasp 198 as shown in
[0056] Referring to
[0057] Referring to
[0058] In an embodiment, a screen pinch assembly 220 may generally define where the sleeve 170 enters and/or engages with the retention clasp 198 as shown in
[0059] Although the preceding description has been described herein with reference to particular means, materials, and embodiments, it is not intended to be limited to the particulars disclosed herein; rather, it extends to all functionally equivalent structures, methods, and uses, such as are within the scope of the appended claims.