CN212236202U - A filter equipment for producing adipic acid - Google Patents
A filter equipment for producing adipic acid Download PDFInfo
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- CN212236202U CN212236202U CN202020477531.0U CN202020477531U CN212236202U CN 212236202 U CN212236202 U CN 212236202U CN 202020477531 U CN202020477531 U CN 202020477531U CN 212236202 U CN212236202 U CN 212236202U
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- pipe
- adipic acid
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Abstract
The utility model belongs to the technical field of adipic acid production equipment, in particular to a filtering device for producing adipic acid, which comprises a shell, an upper end socket arranged at the top end of the shell, a lower end socket arranged at the bottom end of the shell and a filtering mechanism; the upper end enclosure is detachably connected with the shell; a discharge pipe is arranged on the side wall of the upper end enclosure, and a back flushing pipe is arranged at the top of the upper end enclosure; a first control valve is arranged on the back flushing pipe, and a second control valve is arranged on the discharge pipe; a slag discharging pipe is arranged at the bottom end of the lower end enclosure, a third control valve is arranged on the slag discharging pipe, a feeding pipe is arranged on the side wall of the slag discharging pipe, and a fourth control valve is arranged on the feeding pipe; the filter mechanism comprises a supporting plate arranged at the top in the shell, a plurality of filter rods vertically arranged in the shell and a pressing plate used for pressing and connecting the filter rods. The utility model discloses can solve current adipic acid decoloration filter equipment, at the problem of sediment in-process solution jam. Has good economic benefit and application prospect.
Description
Technical Field
The utility model belongs to the technical field of adipic acid production facility, concretely relates to a filter equipment for producing adipic acid.
Background
Before crystallization of adipic acid, impurities are generally removed through decoloring and purifying treatment, activated carbon is generally adopted for decoloring and purifying, and how to remove the activated carbon after the decoloring treatment is a problem which needs to be solved before crystallization of the adipic acid. The feeding mode of the filter in the prior production generally adopts the feeding at the bottom end socket, and the feeding method easily causes the blockage of a pipeline between the bottom of the end socket and a slag discharging pipe of high-concentration adipic acid slurry, so that the production operation is unstable, the blockage is manually removed, the manual strength is increased, and the problems of standard exceeding of external drainage indexes and the like are easily caused.
Therefore, the existing adipic acid decoloring device needs to be improved urgently to solve the problem that filter residues are easy to block in the process of using the activated carbon decoloring technology for adipic acid.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a filter equipment for producing adipic acid, it can solve current adipic acid decoloration filter equipment, at the problem of sediment in-process solution jam.
In order to achieve the purpose, the utility model discloses a filtering device for producing adipic acid, which comprises a shell, an upper end socket arranged at the top end of the shell, a lower end socket arranged at the bottom end of the shell and a filtering mechanism;
the upper end enclosure is detachably connected with the shell;
a discharge pipe is arranged on the side wall of the upper end enclosure, and a back flushing pipe is arranged at the top of the upper end enclosure; a first control valve is arranged on the back flushing pipe, and a second control valve is arranged on the discharge pipe;
a slag discharging pipe is arranged at the bottom end of the lower end enclosure, a third control valve is arranged on the slag discharging pipe, a feeding pipe is arranged on the side wall of the slag discharging pipe, and a fourth control valve is arranged on the feeding pipe;
the filter mechanism comprises a supporting plate arranged at the top in the shell, a plurality of filter rods vertically arranged in the shell and a pressing plate for pressing the filter rods;
first through holes are uniformly distributed in the supporting plate, the filter rod penetrates through the first through holes, the top end of the filter rod extends into the upper end enclosure, the bottom end of the filter rod extends into the shell, and a clamping bulge is arranged at one end, extending into the upper end enclosure, of the top end of the filter rod along the circumferential direction and used for clamping the filter rod on the supporting plate;
the filter stick is a columnar hollow pipe with the bottom end closed and the top end opened, and the side wall of the hollow pipe is provided with a filtering through hole.
Furthermore, the upper end enclosure is connected with the shell through a flange.
Further, the top of the lower end socket and the bottom of the shell are integrally formed through welding.
Furthermore, a groove is formed in the circumferential direction of the inner wall of the flange for connecting the upper end socket and the shell, and the supporting plate is embedded in the groove.
Furthermore, a pressing plate used for fixing the filter rod is arranged in the upper sealing head, the pressing plate is arranged in the upper sealing head and is in press connection with the top end of the filter rod, a second through hole is formed in the position, corresponding to the filter rod, on the pressing plate, and the diameter of the second through hole is smaller than that of the filter rod.
Furthermore, the filter rod is sleeved with the screen, the surface of the screen is sleeved with the filter sleeve made of polypropylene, the filter sleeve can resist acid environment and is firm and durable, the filter rod, the screen and the filter sleeve form a filter unit, in practical application, the filter rod, the screen and the filter sleeve are fixed on the supporting plate after installation is finished, and then the pressing plate is pressed on the top end of the filter rod, so that the filter rod is supported and fixed.
Furthermore, the upper end enclosure is also provided with a connecting pipe, and the connecting pipe is provided with an exhaust valve.
Furthermore, in order to facilitate observation of the filtering condition in the upper end enclosure, the side wall of the upper end enclosure is provided with a sight glass capable of observing the inside.
The utility model has the advantages that:
device overall structure is reliable, through be provided with the inlet pipe on the pipe lateral wall of slagging tap, has avoided appearing slagging tap department material non-circulation on setting up the inlet pipe on the lateral wall of toper low head easily in original design, produces the problem of crystallization.
Meanwhile, the filter stick is arranged on the supporting plate in a penetrating mode, and then the pressing plate is used for compression joint, so that the filter stick is convenient to fix. The device can realize the washing of filter mechanism in the use, has good economic benefits and application prospect.
Drawings
FIG. 1 is a cross-sectional view of a filter apparatus for producing adipic acid according to example 1;
in the figure, 1, an upper seal head, 2, a metal pressure plate, 3, a connecting pipe, 4, an exhaust valve, 5, a back flushing pipe, 6, a first control valve, 7, a sight glass, 8, a discharge pipe, 9, a second control valve, 10, a seal head flange, 11, a support plate, 12, a filtering unit, 13, a shell, 14, a lower cone seal head, 15, a slag discharge pipe, 16, a third control valve, 17, a feed pipe, 18 and a fourth control valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, but the scope of the invention is not limited thereto.
Example 1
As shown in fig. 1, a filtering device for producing adipic acid comprises a shell 13, an upper end enclosure 1 arranged at the top end of the shell 13, a conical lower end enclosure 14 arranged at the bottom end of the shell 13, and a filtering mechanism;
the upper end enclosure 1 is in flange connection with the shell 13; in the embodiment, the top of the conical lower end socket 14 and the bottom of the shell 13 are integrally formed by welding;
a discharge pipe 8 is arranged on the side wall of the upper sealing head 1, and a back flushing pipe 5 and a connecting pipe 3 are arranged at the top of the upper sealing head 1; a first control valve 6 is arranged on the back flushing pipe 5, an exhaust valve 4 is arranged on the connecting pipe 3, and a second control valve 9 is arranged on the discharging pipe 8;
in order to facilitate observation of the filtering condition in the upper end enclosure 1, a sight glass 7 capable of observing the inside is arranged on the side wall of the upper end enclosure 1;
a slag discharging pipe 15 is arranged at the bottom end of the conical lower end socket 14, a third control valve 16 is arranged on the slag discharging pipe 15, a feeding pipe 17 is arranged on the side wall of the slag discharging pipe 15, and a fourth control valve 18 is arranged on the feeding pipe 17; the feeding pipe 17 is arranged on the side wall of the slag discharging pipe 15, so that the problem that the crystallization is caused due to the fact that the feeding pipe 17 is arranged on the side wall of the conical lower end socket 14 in the original design and the material at the position of the slag discharging pipe 15 is not circulated easily is solved;
the filtering mechanism comprises a supporting plate 11 arranged at the top in a shell 13, a plurality of metal filter sticks 12 vertically arranged in the shell 13, and a metal pressing plate 2 for pressing and connecting the metal filter sticks 12;
a groove is formed in the inner wall of the flange for connecting the upper end socket 1 and the shell 13 along the circumferential direction, and the support plate 11 is embedded in the groove;
first through holes are uniformly distributed in the supporting plate 11, the metal filter stick 12 penetrates through the first through holes, the top end of the metal filter stick 12 extends into the upper end enclosure 1, the bottom end of the metal filter stick 12 extends into the shell 13, one end, extending into the upper end enclosure 1, of the top end of the metal filter stick 12 is circumferentially provided with a clamping protrusion, the width of the clamping protrusion is larger than the diameter of the first through hole, the metal filter stick 12 is clamped on the supporting plate 11 through the clamping protrusion, the metal pressing plate 2 is arranged in the upper end enclosure 1, the metal pressing plate 2 is in compression joint with the top end of the metal filter stick 12, a second through hole is formed in the metal pressing plate 2 corresponding to the position of the metal filter stick 12, and the diameter of the;
the metal filter stick 12 is a columnar hollow tube with the bottom end closed and the top end opened, the side wall of the hollow tube is provided with a filtering through hole, a screen is sleeved outside the metal filter stick 12, a filter sleeve made of polypropylene is sleeved on the surface of the screen, the filter sleeve can resist acid environment and is firm and durable, the metal filter stick 12, the screen and the filter sleeve form a filter unit, in practical application, the metal filter stick 12, the screen and the filter sleeve are fixed on the supporting plate 11 after being installed, and then the metal pressing plate 2 is pressed on the top end of the metal filter stick 12, so that the metal filter stick 12 is supported and fixed.
When the filtering device for producing the adipic acid is used, the fourth control valve 18 and the second control valve 9 are firstly opened, the first control valve 6 and the third control valve 16 are closed, then the adipic acid solution containing carbon enters the device from the feeding pipe 17, at the moment, the solution enters the upper end socket 1 through the filtering through hole on the side wall of the metal filter stick 12, and the final discharging is finished from the discharging pipe 8; when the pressure difference between the inlet pipe 17 and the discharge pipe 8 is too large, even the material cannot be discharged, the metal filter stick 12 is blocked, and the backwashing is needed, at the moment, the fourth control valve 18 and the second control valve 9 are closed, the first control valve 6 and the third control valve 16 are opened, the backwashing water is pumped into the backwashing pipe 5, the water sequentially passes through the second through hole on the metal press plate 2 and the filtering through hole on the side wall of the metal filter stick 12, the carbon adhered on the metal filter stick 12, the screen and the filter sleeve flows out through the slag discharge pipe 15, when the water flowing out of the slag discharge pipe 15 is clear, the backwashing can be stopped, and the filtering operation is performed again; when the filtering operation and the backwashing operation are stopped, the exhaust valve 4 can be opened, and the superheated steam in the upper seal head 1 and the shell 13 is exhausted through the connecting pipe 3, so that the stable operation of the device is ensured.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A filtering device for producing adipic acid is characterized by comprising a shell, an upper end enclosure arranged at the top end of the shell, a lower end enclosure arranged at the bottom end of the shell and a filtering mechanism;
the upper end enclosure is detachably connected with the shell;
a discharge pipe is arranged on the side wall of the upper end enclosure, and a back flushing pipe is arranged at the top of the upper end enclosure; a first control valve is arranged on the back flushing pipe, and a second control valve is arranged on the discharge pipe;
a slag discharging pipe is arranged at the bottom end of the lower end enclosure, a third control valve is arranged on the slag discharging pipe, a feeding pipe is arranged on the side wall of the slag discharging pipe, and a fourth control valve is arranged on the feeding pipe;
the filter mechanism comprises a supporting plate arranged at the top in the shell, a plurality of filter rods vertically arranged in the shell and a pressing plate for pressing the filter rods;
first through holes are uniformly distributed in the supporting plate, the filter rod penetrates through the first through holes, the top end of the filter rod extends into the upper end enclosure, the bottom end of the filter rod extends into the shell, and a clamping bulge is arranged at one end, extending into the upper end enclosure, of the top end of the filter rod along the circumferential direction and used for clamping the filter rod on the supporting plate;
the filter stick is a columnar hollow pipe with the bottom end closed and the top end opened, and the side wall of the hollow pipe is provided with a filtering through hole.
2. The filter apparatus for producing adipic acid according to claim 1, wherein the upper head is flanged to the housing.
3. The filter device for producing adipic acid according to claim 1, wherein the top of the lower head is integrally formed with the bottom of the housing by welding.
4. The filtering device for producing adipic acid according to claim 2, wherein a groove is circumferentially formed in an inner wall of the flange for connecting the upper end enclosure and the shell, and the support plate is embedded in the groove.
5. The filtering device for producing the adipic acid according to claim 1, wherein a pressing plate for fixing the filter stick is arranged in the upper sealing head, the pressing plate is arranged in the upper sealing head and is in press-connection with the top end of the filter stick, a second through hole is arranged on the pressing plate at a position corresponding to the filter stick, and the diameter of the second through hole is smaller than that of the filter stick.
6. The filter device for producing the adipic acid according to claim 1, wherein the filter stick is externally sleeved with a screen, and a filter sleeve made of polypropylene is sleeved on the surface of the screen.
7. The filtering device for producing the adipic acid according to claim 1, wherein the upper head is further provided with a connecting pipe, and the connecting pipe is provided with an exhaust valve.
8. The filtering device for producing adipic acid according to claim 1, wherein the side wall of the upper head is provided with a sight glass for observing the inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020477531.0U CN212236202U (en) | 2020-04-03 | 2020-04-03 | A filter equipment for producing adipic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020477531.0U CN212236202U (en) | 2020-04-03 | 2020-04-03 | A filter equipment for producing adipic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212236202U true CN212236202U (en) | 2020-12-29 |
Family
ID=73983035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020477531.0U Active CN212236202U (en) | 2020-04-03 | 2020-04-03 | A filter equipment for producing adipic acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212236202U (en) |
-
2020
- 2020-04-03 CN CN202020477531.0U patent/CN212236202U/en active Active
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