CN214391478U - Oxidation drying system with nitrogen pulse purging function - Google Patents
Oxidation drying system with nitrogen pulse purging function Download PDFInfo
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- CN214391478U CN214391478U CN202023255980.XU CN202023255980U CN214391478U CN 214391478 U CN214391478 U CN 214391478U CN 202023255980 U CN202023255980 U CN 202023255980U CN 214391478 U CN214391478 U CN 214391478U
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Abstract
The utility model discloses an oxidation drying system with nitrogen pulse purging function, which relates to the technical field of gas oxidation drying and comprises an oxidation drying machine blanking chimney, a drying machine circulating gas-carrying washing tower and a nitrogen pulse purging mechanism; a spiral conveying port is formed in the side wall of a discharging chimney of the oxidation drying machine and is communicated with a spiral conveying pipe a, the spiral conveying pipe a is communicated with a spiral conveying pipe b, and the spiral conveying pipe b is communicated with a circulating gas-carrying washing tower of the drying machine; a plurality of feed openings which are communicated with the oxidation filter are formed in the feed chimney of the oxidation dryer; the nitrogen pulse purging mechanism is connected to the spiral delivery port. Can carry out nitrogen pulse to the dry spiral delivery port of oxidation and sweep, reduce and hang bearing department long-pending material, make the operation of system more stable.
Description
Technical Field
The utility model relates to a gaseous oxidative drying technical field, concretely relates to oxidation drying system with nitrogen pulse sweeps function.
Background
In actual production operation, the problem that materials are easily accumulated at the hanging bearing at the circulating carrier gas spiral conveying port of the first-line/second-line oxidation drying machine, the circulating carrier gas flux of the drying machine is influenced, the internal pressure of the drying machine is increased, the system operation is influenced, a chimney manhole opposite to the hanging bearing needs to be opened at intervals of about two months, and the accumulated materials on the hanging bearing are cleaned by a long rod.
SUMMERY OF THE UTILITY MODEL
For solving exist not enough among the prior art, the utility model provides an oxidation drying system with nitrogen pulse sweeps function can carry out nitrogen pulse to oxidation drying auger delivery mouth and sweep, reduces and hangs the long-pending material of bearing department, makes the system operation more stable.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: an oxidation drying system with a nitrogen pulse purging function comprises an oxidation drying machine blanking chimney, a drying machine circulating gas-carrying washing tower and a nitrogen pulse purging mechanism; a spiral conveying port is formed in the side wall of a discharging chimney of the oxidation drying machine and is communicated with a spiral conveying pipe a, the spiral conveying pipe a is communicated with a spiral conveying pipe b, and the spiral conveying pipe b is communicated with a circulating gas-carrying washing tower of the drying machine; a plurality of feed openings which are communicated with the oxidation filter are formed in the feed chimney of the oxidation dryer; the nitrogen pulse purging mechanism is connected to the spiral delivery port.
Further, nitrogen gas pulse sweeps the mechanism and includes the nitrogen buffer tank, through pipeline switch-on nitrogen gas in it, the nitrogen buffer tank is linked together through pipeline and auger delivery mouth, is equipped with the ooff valve on the connecting tube between nitrogen buffer tank and auger delivery mouth.
Further, the connecting tube between nitrogen buffer tank and the auger delivery mouth includes house steward, divides a tub b, many connecting pipes, house steward one end is connected with the nitrogen buffer tank, and the other end is connected with a tub, a tub b of branch respectively, divides a tub a, a plurality of connecting pipes are connected respectively to a tub b one end of branch, many the connecting pipe connect respectively in auger delivery mouth different positions.
Furthermore, the feed opening is respectively arranged on the top and the side wall of a feed chimney of the oxidation drying machine.
Furthermore, a switch valve is respectively arranged on the branch pipe a and the branch pipe b.
Furthermore, a pressure gauge is connected to the nitrogen buffer tank.
The utility model has the advantages that: the nitrogen pulse purging mechanism is additionally arranged, so that nitrogen pulse purging can be performed on the oxidation drying spiral conveying port, accumulated materials at the position of a hanging bearing are reduced, and the system is more stable in operation; the connecting pipes are respectively connected to different positions of the spiral conveying port, so that the comprehensiveness of the blowing position of the spiral conveying port is ensured, and the blowing effect is better; the whole structure is simple, and the maintenance is convenient.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the connection position of the connection pipe of the present invention.
Reference numbers in the figures: 1. the device comprises an oxidation dryer discharging chimney, a dryer circulating gas-carrying washing tower, 3, a spiral conveying port, 4, spiral conveying pipes a and 5, spiral conveying pipes b and 6, a nitrogen buffer tank, 7, a header pipe, 8, branch pipes a and 9, branch pipes b and 10, a connecting pipe, 11, a discharging port, 12, a switch valve, 13 and a pressure gauge.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Example 1
An oxidation drying system with a nitrogen pulse purging function comprises an oxidation drying machine blanking chimney 1, a drying machine circulating gas-carrying washing tower 2 for gas purification treatment and a nitrogen pulse purging mechanism; the side wall of the discharging chimney 1 of the oxidation dryer is provided with a spiral conveying port 3, the spiral conveying port 3 is communicated with a spiral conveying pipe a4, the spiral conveying pipe a4 is communicated with a spiral conveying pipe b5, and the spiral conveying pipe b5 is communicated with a circulating air-carrying washing tower 2 of the dryer; a plurality of feed openings 11 which are communicated with the oxidation filter are formed in the feeding chimney 1 of the oxidation drying machine, and the feed openings 11 are respectively arranged on the top and the side wall of the feeding chimney 1 of the oxidation drying machine; the nitrogen pulse purging mechanism is connected to the spiral conveying port 3.
The nitrogen pulse purging mechanism comprises a nitrogen buffer tank 6, nitrogen is communicated with the nitrogen buffer tank through a pipeline, and the nitrogen buffer tank 6 is communicated with the spiral conveying port 3 through a pipeline. A pressure gauge 13 is connected to the nitrogen buffer tank 6.
Connecting tube between nitrogen buffer tank 6 and the auger delivery mouth 3 includes house steward 7, is in charge of a8, is in charge of b9, many connecting pipes 10, house steward 7 one end is connected with nitrogen buffer tank 6, and the other end is connected with in charge of a8, is in charge of b9 respectively, is in charge of a8, is in charge of b9 one end and connects a plurality of connecting pipes 10 respectively, many connecting pipe 10 connect respectively in auger delivery mouth 3 different positions. The branch pipe a8 and the branch pipe b9 are respectively provided with a switch valve 12.
Preferably, the number of the connecting pipes 10 in this embodiment is 4, 2 of the connecting pipes are connected with the branch pipe a8, 2 are connected with the branch pipe b9, and 4 connecting pipes 10 are respectively communicated with 4 end parts of the two mutually perpendicular diameters of the spiral conveying port.
Preferably, the nitrogen is connected to the pipeline specification: 7kg/cm2G NM nitrogen; 6 specifications of a nitrogen buffer tank: the diameter is 350mm, the height is 750mm, and the material is 304; specification of the on-off valve 12: 2B, 304, 150 lbs.
The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the design of the present invention within the technical scope of the present invention.
Claims (6)
1. An oxidation drying system with a nitrogen pulse purging function is characterized by comprising an oxidation drying machine blanking chimney (1), a drying machine circulating gas-carrying washing tower (2) and a nitrogen pulse purging mechanism; a spiral conveying opening (3) is formed in the side wall of the discharging chimney (1) of the oxidation drying machine, the spiral conveying opening (3) is communicated with a spiral conveying pipe a (4), the spiral conveying pipe a (4) is communicated with a spiral conveying pipe b (5), and the spiral conveying pipe b (5) is communicated with a circulating air-carrying washing tower (2) of the drying machine; a plurality of feed openings (11) which are communicated with the oxidation filter are formed in the feeding chimney (1) of the oxidation dryer; the nitrogen pulse purging mechanism is connected to the spiral conveying port (3).
2. The oxidation drying system with nitrogen pulse purging function according to claim 1, wherein the nitrogen pulse purging mechanism comprises a nitrogen buffer tank (6) in which nitrogen is communicated through a pipeline, the nitrogen buffer tank (6) is communicated with the screw delivery port (3) through a pipeline, and a switching valve (12) is arranged on a connecting pipeline between the nitrogen buffer tank (6) and the screw delivery port (3).
3. The oxidation drying system with the nitrogen pulse purging function as claimed in claim 2, wherein the connecting pipeline between the nitrogen buffer tank (6) and the spiral conveying port (3) comprises a main pipe (7), a branch pipe a (8), a branch pipe b (9) and a plurality of connecting pipes (10), one end of the main pipe (7) is connected with the nitrogen buffer tank (6), the other end of the main pipe is respectively connected with the branch pipe a (8) and the branch pipe b (9), one end of the branch pipe a (8) and one end of the branch pipe b (9) are respectively connected with the plurality of connecting pipes (10), and the plurality of connecting pipes (10) are respectively connected to different positions of the spiral conveying port (3).
4. The oxidation drying system with nitrogen pulse purging function according to claim 1, wherein the feed openings (11) are respectively arranged on the top and the side wall of the oxidation drying machine feed chimney (1).
5. The oxidation drying system with nitrogen pulse purging function as claimed in claim 3, wherein a switch valve (12) is respectively arranged on the branch pipe a (8) and the branch pipe b (9).
6. The oxidation drying system with nitrogen pulse sweeping function according to claim 2, wherein a pressure gauge (13) is connected to the nitrogen buffer tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023255980.XU CN214391478U (en) | 2020-12-29 | 2020-12-29 | Oxidation drying system with nitrogen pulse purging function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023255980.XU CN214391478U (en) | 2020-12-29 | 2020-12-29 | Oxidation drying system with nitrogen pulse purging function |
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| CN214391478U true CN214391478U (en) | 2021-10-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112718725A (en) * | 2020-12-29 | 2021-04-30 | 逸盛大化石化有限公司 | Oxidation drying system with nitrogen pulse purging function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112718725A (en) * | 2020-12-29 | 2021-04-30 | 逸盛大化石化有限公司 | Oxidation drying system with nitrogen pulse purging function |
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