1. A method for making a distillate hydrocarbon component by integrating slurry hydrocracking (SHC) and coking, the method comprising:
(a) passing a slurry comprising a crude oil vacuum column residue, a liquid coker product obtained from a delayed coker or a fluidized coker, and a solid particulate through an SHC reaction zone in the presence of hydrogen to provide an SHC effluent,
(b) recovering said SHC distillate and a combination of an SHC gas oil and an SHC pitch from said SHC effluent,
(c) coking said combination of said SHC gas oil and said SHC pitch in a delayed coker or a fluidized coker to provide said liquid coker product and coke.
2. The method of claim 1, wherein the SHC distillate comprises less than about 20% by weight of hydrocarbons boiling at a temperature of greater than 343\xb0 C. (650\xb0 F.).
3. The method of claim 1, wherein the overall pitch conversion of the crude oil vacuum column residue is at least about 90%.
4. An integrated process for preparing a slurry hydrocracking (SHC) distillate, the process comprising:
(a) coking an SHC gas oil to obtain a liquid coker product and coke;
(b) passing a heavy hydrocarbon feedstock comprising vacuum column residue from a crude vacuum column and at least a portion of said liquid coker product through an SHC reaction zone in the presence of hydrogen to provide an SHC effluent; and
(c) recovering said SHC distillate and said SHC gas oil from said SHC effluent.
5. The process of claim 4, wherein said liquid coker product is obtained from a delayed coker or a fluidized coker.
6. The process of claim 4, wherein said liquid coker product comprises at least about 30% by weight of aromatics.
7. The process of claim 4, wherein the heavy hydrocarbon feedstock is present as a slurry, in combination with a solid particulate, in said SHC reaction zone.
8. The process of claim 7, wherein said solid particulate comprises a compound of a metal of Group IVB, Group VB, Group VIB, Group VIIB, or Group VIII.
9. The process of claim 4, wherein the overall pitch conversion of said heavy hydrocarbon feedstock is at least 90%.
10. An integrated process for preparing a slurry hydrocracking (SHC) distillate, the process comprising:
(a) coking an SHC gas oil to obtain a liquid coker product and coke;
(b) passing a heavy hydrocarbon feedstock comprising vacuum column residue and at least a portion of said liquid coker product through an SHC reaction zone in the presence of hydrogen to provide an SHC effluent; and
(c) recovering said SHC gas oil from an SHC effluent in an SHC atmospheric column;
wherein an SHC distillate is recovered in one or more distillate products comprising (i) a vapor fraction from flash separation of said SHC effluent in an SHC high pressure separator, (ii) one or more distilled fractions from said SHC atmospheric distillation column, or (iii) both (i) and (ii); and said one or more distilled fractions from said atmospheric distillation column are selected from the group consisting of a naphtha product, a diesel product, or a mixture of thereof.
11. The process of claim 10, wherein said SHC gas oil is recovered in combination with an SHC pitch as a liquid bottoms product of said SHC atmospheric distillation column.
12. The process of claim 11, wherein said SHC gas oil has an initial boiling point of at least about 343\xb0 C. (650\xb0 F.).
13. The process of claim 10, further comprising hydrotreating a distillate feedstock comprising said one or more distillate products in a hydrotreating zone to obtain a hydrotreated distillate.
14. The process of claim 13, wherein said distillate feedstock further comprises, in addition to said SHC distillate, a straight-run distillate.
15. The process of claim 13, wherein said hydrotreated distillate has an API gravity of at least about 20\xb0.
16. The process of claim 10, wherein said SHC gas oil is recovered in combination with said SHC pitch as bottoms fraction from vacuum flash separation of a liquid bottoms product of an SHC atmospheric distillation column.
17. The process of claim 10, wherein said SHC gas oil has an initial boiling point of at least about 427\xb0 C. (800\xb0 F.).
18. The process of claim 10, wherein said SHC reaction zone is maintained at a temperature from about 343\xb0 C. (650\xb0 F.) to about 538\xb0 C. (1000\xb0 F.), a pressure from about 3.5 MPa (500 psig) to about 21 MPa (3000 psig), and a space velocity from about 0.1 to about 30 volumes of heavy hydrocarbon feedstock per hour per volume of said SHC zone.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A harvest header having a harvest configuration and a transport configuration, comprising:
a first end;
a second end;
a frame extending between the first end and the second end;
a rear wall supported by the frame and extending between the first end and the second end; and
a wheel assembly attached to the frame;
the wheel assembly comprising:
a first wheel component;
a second wheel component; and
an attachment structure for attaching the first wheel component and the second wheel component to the frame;
the first wheel component comprising:
a first swing arm having a first end attached to a first wheel and a second end pivotally attached to the attachment structure at a first attachment point; and
a first linkage comprising a first end pivotally attached to the first swing arm and a second end pivotally attached to the frame;
the second wheel component comprising:
a second swing arm having a first end attached to a second wheel and a second end pivotally attached to the frame at a second attachment point; and
a second linkage comprising a first end pivotally attached proximate the first end of the second swing arm and a second end pivotally attached to the frame;
wherein the first wheel component and second wheel component are configured to rotate about the first attachment point and the second attachment point, respectively, to position the first wheel and the second wheel, respectively, proximate the rear wall in a transport configuration, wherein the axis of rotation of the first attachment point is substantially perpendicular with the axis of rotation of the second attachment point.
2. The harvest header of claim 1, wherein the header has a header width and a harvest width in the harvest configuration, and wherein the harvest width is approximately equal to the header width.
3. The harvest header of claim 1, wherein the second swing arm is rotated to a transport position by retracting the second linkage.
4. The harvest header of claim 1, wherein the second swing arm is rotated to a harvest configuration by extending the second linkage.
5. The harvest header of claim 1, wherein the second swing arm is an extendable hydraulic device.
6. The harvest header of claim 1, wherein the second end of the first linkage is further pivotally attached to the second swing arm.
7. The harvest header of claim 1, further comprising:
a pivot wheel assembly attached to the harvest header between the wheel assembly and the first end, of the header.
8. The harvest header of claim 7, wherein the pivot wheel assembly attached to the first end of the header, is a second wheel assembly.
9. A wheel assembly comprising:
a first wheel component;
a second wheel component; and
an attachment structure for attaching the first wheel component and the second wheel component to a frame;
the attachment structure comprising a rear member and a bottom surface;
the first wheel component comprising:
a first swing arm having a first end attached to a first wheel and a second end pivotally attached to the attachment structure at a first attachment point; and
a first linkage comprising a first end pivotally attached to the first swing arm and a second end pivotally attached to the rear member;
the second wheel component comprising:
a second swing arm having a first end attached to a second wheel and a second end pivotally attached to the rear member at a second attachment point; and
a second linkage comprising a first end pivotally attached proximate the second end of the second swing arm and a second end pivotally attached to the rear member;
wherein the first wheel component and second wheel component are configured to rotate about the first attachment point and the second attachment point, respectively, to position the first wheel and the second wheel, respectively, above the bottom surface when the second swing arm is rotated to a transport position, wherein the axis of rotation of the first attachment point is substantially perpendicular with the axis of rotation of the second attachment point.
10. The wheel assembly of claim 9 wherein the second swing arm is rotated to a transport position by retracting the second linkage.
11. The wheel assembly of claim 9 wherein the second swing arm is an extendable hydraulic device.
12. The wheel assembly of claim 9 wherein the second end of the first linkage is further pivotally attached to the second swing arm.
13. The wheel assembly of claim 9 wherein the first linkage is an extendable hydraulic device.