CN209967808U - Distillation column pitch filter equipment - Google Patents
Distillation column pitch filter equipment Download PDFInfo
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- CN209967808U CN209967808U CN201920619098.7U CN201920619098U CN209967808U CN 209967808 U CN209967808 U CN 209967808U CN 201920619098 U CN201920619098 U CN 201920619098U CN 209967808 U CN209967808 U CN 209967808U
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Abstract
The utility model discloses a distillation column pitch filter device, which comprises a filter cartridge, a filter frame and a filter screen, wherein the filter cartridge is arranged at the soft pitch outlet of the bottom of the distillation column through an upper end flange plate, the bottom of the filter cartridge is provided with an outlet, the outer wall plate of the filter cartridge is provided with a half pipe, and a heat conducting coil pipe is arranged inside the half pipe; one or more layers of mounting grooves are arranged in the filter cartridge in a direction perpendicular to the cylinder body, a filter frame is inserted into the mounting grooves, a filter screen is arranged on the filter frame, the filter screen is mounted on the filter frame through a mounting frame, and the mounting frame is tightly mounted on the inner side of the filter frame through bolts; a filter screen is clamped between the mounting frame and the filter frame, and the cross section of the mounting frame is of an inverted L shape; the device simple structure installs in fraction tower bottom soft pitch outlet position, can effectively filter the particulate matter, avoids long-time operation to cause pipeline, boiler tube, pump chamber to block up because of the coking particulate matter.
Description
Technical Field
The utility model relates to a distillation column pitch filter equipment belongs to coal chemical industry equipment technical field.
Background
Coal tar is one of crude coal gas generated by pyrolysis of coking industrial coal, the yield of the coal tar is about 3% ~ 4% of the coal charged in a furnace, the composition is very complex, the coal tar is specially separated and purified by the coal tar industry in most cases, the product is in a black viscous liquid state under normal temperature and normal pressure, various fractions are further processed, and various products can be separated, the coal tar processing main process is distillation, namely the coal tar is cut into fractions with different boiling points by utilizing the difference of the boiling points of various compounds in the coal tar, the coal tar pitch is residue after distillation of the coal tar, the yield of the coal tar is about 55% of the coal tar, and according to the difference of the softening points, the three specifications of pitches are industrially produced, namely soft pitch, medium temperature pitch, softening point of 65-75 ℃, hard pitch, softening point of 75-90 ℃, softening point of more than 90 ℃, the medium temperature pitch has the widest application range, the quantity of industrial production is large, at present, the coal tar pitch is mainly used as a binder for producing active carbon, a binder of briquette, a pitch for refining pitch, a paving material and the like, and the coke is increased along with the increase of the production temperature, and the amount of the coke is increased in the course of the processing equipment, and the coke is increased.
SUMMERY OF THE UTILITY MODEL
For solving the not enough of prior art existence, the utility model discloses a distillation column pitch filter equipment, the device simple structure installs at fraction tower bottom soft pitch exit position, can effectively filter the particulate matter, avoids long-time operation to cause pipeline, boiler tube, pump chamber to block up because of the coking particulate matter.
The utility model discloses a following technical scheme realizes:
a distillation tower asphalt filtering device comprises a filtering cylinder, a filtering frame and a filtering screen, wherein the filtering cylinder is arranged at a soft asphalt outlet at the bottom of a distillation tower through a flange plate arranged at the upper end of the filtering cylinder, an outlet is arranged at the bottom of the filtering cylinder, a half pipe is arranged on an outer wall plate of the filtering cylinder, a heat conducting coil pipe is arranged inside the half pipe, one end of the heat conducting coil pipe is connected with heat conducting oil, the other end of the heat conducting coil pipe is a heat conducting oil outlet, and a heat insulating layer is;
one or more layers of mounting grooves are arranged in the filter cartridge in a direction perpendicular to the cylinder body, a filter frame is inserted into the mounting grooves, a filter screen is arranged on the filter frame, the filter screen is mounted on the filter frame through a mounting frame, and the mounting frame is tightly mounted on the inner side of the filter frame through bolts; a filter screen is clamped between the mounting frame and the filter frame, and the cross section of the mounting frame is of an inverted L shape;
the filter frame bottom is provided with a bayonet socket, the bayonet socket equals the internal diameter of cartridge filter apart from the distance on filter frame top, the bayonet socket width and the wall thickness looks adaptation of cartridge filter.
The tail end of the filter frame is provided with a handle.
The cartridge filter is also provided with an observation hole, and a transparent baffle is arranged at the observation hole.
The meshes of the filter screen on the upper layer are larger than the filter screen on the lower layer.
The filter cartridge side wall lower part still sets up a little negative pressure mouth, little negative pressure mouth sets up in the below of lower floor's mounting groove, little negative pressure mouth connects little negative pressure pump.
Compared with the prior art, the utility model following beneficial effect has:
the net type filter is installed in the soft asphalt outlet position of the bottom of the fraction tower, so that the filter screen is ensured to be intact and clean, the effect of effectively filtering particles can be achieved, coking particles are prevented from entering an equipment pipeline after the filter is installed in the tower, the particles are prevented from being collected after long-time operation, and the pipeline, the furnace tube and the pump cavity are blocked due to the coking particles.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a filter frame structure;
FIG. 3 is a schematic view of the installation position of the filter frame;
FIG. 4 is a schematic view of the installation of the filter frame and the installation frame;
fig. 5 is a schematic view of a half-pipe structure.
In the figure, 1-a filter cartridge, 2-a filter frame, 3-a filter screen, 4-a flange plate, 5-a distillation tower, 6-an outlet, 7-a half pipe, 8-a heat conduction coil pipe, 9-a heat insulation layer, 10-a mounting groove, 11-a mounting frame, 12-a bayonet, 13-a handle, 14-an observation hole, 15-a micro negative pressure port, 16-a micro negative pressure pump and 17-a bolt.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments, but the scope of the present invention is not limited to these embodiments, and any changes or equivalent substitutions that do not depart from the spirit of the present invention are intended to be included within the scope of the present invention.
Example 1
As shown in fig. 1, a distillation tower asphalt filtering device comprises a filter cartridge 1, a filter frame 2 and a filter screen 3, wherein the cross section of the filter cartridge 1 is square, the filter cartridge 1 is installed at a soft asphalt outlet at the bottom of a distillation tower 5 through a flange plate 4 arranged at the upper end of the filter cartridge 1, an outlet 6 is arranged at the bottom of the filter cartridge 1, a half pipe 7 is arranged on an outer wall plate of the filter cartridge 1, a heat conducting coil 8 is arranged inside the half pipe, one end of the heat conducting coil 8 is connected with heat conducting oil, the other end of the heat conducting coil is a heat conducting oil outlet, and a heat;
one or more layers of mounting grooves 10 are arranged in the filter cartridge 1 in a direction perpendicular to the cylinder body, a filter frame 2 is inserted into the mounting grooves 10, a filter screen 3 is arranged on the filter frame 2, the filter screen 3 is mounted on the filter frame 2 through a mounting frame 11, and the mounting frame 11 is tightly mounted on the inner side of the filter frame 2 through bolts 17; a filter screen 3 is clamped between the mounting frame 11 and the filter frame 2, and the cross section of the mounting frame 11 is of an inverted L shape;
the bottom of the filter frame 2 is provided with a bayonet 12, the distance between the bayonet 12 and the side plate of the filter frame 2 is equal to the inner diameter of the filter cartridge 1, and the width of the bayonet 12 is matched with the wall thickness of the filter cartridge 1.
The tail end of the filter frame 2 is provided with a handle 13.
The filter cartridge 1 is further provided with an observation hole 14, and a transparent baffle is arranged at the observation hole 14.
The meshes of the filter screen 3 positioned on the upper layer are larger than the meshes of the filter screen 3 positioned on the lower layer.
The filter cartridge 1 lateral wall lower part still sets up a little negative pressure mouth 15, little negative pressure mouth 15 sets up in the below of lower floor's mounting groove 10, little negative pressure mouth connects little negative pressure pump 16.
Example 2
In the embodiment 1, high-heat steam may be introduced into the heat conducting coil, one end of the heat conducting coil is connected to a steam pipeline, and the other end of the heat conducting coil is a hot steam outlet.
In the in-service use, after installing the filter screen on the filter frame, insert the filter frame from the cartridge filter lateral wall, fixed mounting on the mounting groove inserts back to the end, and the bayonet socket card of filter frame lower part guarantees the stability of filter frame at the cartridge filter lateral wall.
After the micro negative pressure pump pumps micro negative pressure in the filter cylinder, asphalt filtration is started, heat conduction oil flows out from an inlet of the heat conduction coil pipe and an outlet of the heat conduction coil pipe, and the heat conduction oil transfers the temperature to the asphalt in the filter cylinder, so that the temperature of the asphalt is increased; in order to prevent the heat loss of the filter cylinder body, the heat-insulating layer is arranged in the half pipe, so that the temperature of the filtered asphalt is guaranteed, and the asphalt part is prevented from being solidified on the wall of the filter cylinder to cause blockage.
The observation hole can observe the flow of cartridge filter in-situ asphalt, if one of them filter screen produces the jam, only need follow the lateral wall take out filter frame, change into new filter screen can, the simple operation, other filter screen can also work during the operation, does not influence production.
The present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The distillation tower asphalt filtering device is characterized by comprising a filtering cylinder, a filtering frame and a filtering screen, wherein the filtering cylinder is arranged at a soft asphalt outlet at the bottom of a distillation tower through a flange plate arranged at the upper end of the filtering cylinder, an outlet is arranged at the bottom of the filtering cylinder, a half pipe is arranged on an outer wall plate of the filtering cylinder, a heat conducting coil pipe is arranged inside the half pipe, one end of the heat conducting coil pipe is connected with heat conducting oil, the other end of the heat conducting coil pipe is a heat conducting oil outlet, and a heat insulating layer is filled;
one or more layers of mounting grooves are arranged in the filter cartridge in a direction perpendicular to the cylinder body, a filter frame is inserted into the mounting grooves, a filter screen is arranged on the filter frame, the filter screen is mounted on the filter frame through a mounting frame, and the mounting frame is tightly mounted on the inner side of the filter frame through bolts; a filter screen is clamped between the mounting frame and the filter frame, and the cross section of the mounting frame is of an inverted L shape;
the filter frame bottom is provided with a bayonet socket, the bayonet socket equals the internal diameter of cartridge filter apart from the distance on filter frame top, the bayonet socket width and the wall thickness looks adaptation of cartridge filter.
2. The distillation column asphalt filtering device according to claim 1, wherein a handle is arranged at the tail end of the filtering frame.
3. A distillation column pitch filter assembly as claimed in claim 1, wherein said filter cartridge further comprises a sight glass, and a transparent baffle is disposed at said sight glass.
4. A distillation column pitch filter apparatus as claimed in claim 1, wherein the mesh size of said screen at the upper level is larger than the screen at the lower level.
5. The distillation column asphalt filtering device according to claim 1, wherein a micro negative pressure port is further disposed on a lower portion of a side wall of the filter cartridge, the micro negative pressure port is disposed below the mounting groove on the lowest layer, and the micro negative pressure port is connected to a micro negative pressure pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920619098.7U CN209967808U (en) | 2019-04-30 | 2019-04-30 | Distillation column pitch filter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920619098.7U CN209967808U (en) | 2019-04-30 | 2019-04-30 | Distillation column pitch filter equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209967808U true CN209967808U (en) | 2020-01-21 |
Family
ID=69260670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920619098.7U Active CN209967808U (en) | 2019-04-30 | 2019-04-30 | Distillation column pitch filter equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209967808U (en) |
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2019
- 2019-04-30 CN CN201920619098.7U patent/CN209967808U/en active Active
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