CN216518540U - Furan phenol apparatus for producing is with anti vacuum area material vacuum apparatus - Google Patents
Furan phenol apparatus for producing is with anti vacuum area material vacuum apparatus Download PDFInfo
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- CN216518540U CN216518540U CN202123195762.6U CN202123195762U CN216518540U CN 216518540 U CN216518540 U CN 216518540U CN 202123195762 U CN202123195762 U CN 202123195762U CN 216518540 U CN216518540 U CN 216518540U
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Abstract
The utility model relates to a vacuum-resistant material-carrying vacuum device for a furan phenol production device, which comprises a primary steam jet vacuum pump, a system vacuum buffer tank, a screw vacuum pump, a Roots vacuum pump, a condenser and an ejector. The utility model adopts a double roots screw vacuum pump unit and a primary steam jet vacuum pump which are connected in series through a vacuum pipeline. The utility model can reduce the phenomena of rotor clamping stagnation, coating abrasion and the like of the double roots screw vacuum unit caused by the influence of system vacuum belt materials in the operation process of a single double roots screw vacuum unit, and prolong the service life of the vacuum unit.
Description
Technical Field
The utility model relates to an anti-vacuum material carrying vacuum device for a furan phenol production device, which is mainly used in a production device of a furan phenol rectifying tower for matching use.
Background
The vacuum device used on the existing furan phenol production device mainly comprises a steam jet pump vacuum unit and a double roots screw vacuum unit, wherein two sets of equipment are not opened simultaneously, and one equipment is opened for standby.
The steam jet pump vacuum unit has the characteristics of high vacuum building speed, simple equipment and the like, is the most used vacuum device at present, but has the advantages that the energy price is continuously increased in recent years, the steam cost is increased year by year, and in addition, a large amount of steam condensate containing materials is generated after steam is condensed, so the sewage treatment load and the operation cost are increased.
The double-Roots screw vacuum unit is low in air exhaust speed, the operation of the Roots pump is greatly influenced by the backing stage screw pump and the vacuum degree of the system, and the operation process is greatly influenced by the vacuum belt of the system, so that the phenomena of rotor clamping stagnation, coating abrasion and the like of the double-Roots screw vacuum unit are easily caused. The double Roots screw vacuum unit has a complex structural form, and is difficult to maintain if damaged due to the influence of materials.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model adopts a double roots screw vacuum pump unit and a primary steam jet vacuum pump which are connected in series through a vacuum pipeline, and utilizes the working principle of the steam jet pump (when the steam jet pump works, steam enters a nozzle and is jetted out at high speed to generate low pressure, the gas is sucked and mixed in a mixing chamber, after an expansion pipe, kinetic energy is converted into pressure energy) to mix high-melting-point materials carried in the vacuum gas with the steam, and the high-melting-point materials are condensed by a heat exchanger and then discharged into a vacuum water seal tank along an atmospheric leg.
The technical scheme of the utility model is as follows:
an anti-vacuum material-carrying vacuum device for a furan phenol production device comprises a primary steam jet vacuum pump, a system vacuum buffer tank, a screw vacuum pump, a Roots vacuum pump, a condenser and an ejector; the outlet of the system vacuum buffer tank is connected with a primary steam jet vacuum pump, the other end of the primary steam jet vacuum pump is connected with an ejector, the ejector is connected with the inlet at the lower part of a condenser, and the vacuum port at the upper part of the condenser is sequentially connected with a roots vacuum pump and a screw vacuum pump. The top of the primary steam jet vacuum pump is provided with a steam inlet.
The lower condensation outlet of the condenser is connected with the vacuum water seal tank through an atmospheric leg; the condenser is higher than the vacuum water seal tank, and the position difference is more than 10.5 meters.
The middle part of the system vacuum buffer tank is provided with a flange which is connected with the system vacuum.
The ejector and the condenser are kept in a vacuum state.
Compared with the prior art, the utility model has the following advantages: the double roots screw vacuum pump unit is connected with the one-level steam jet vacuum pump in series through a vacuum pipeline, the characteristic that the air exhaust speed of the steam jet vacuum pump is high under the high vacuum condition is kept, materials in a vacuum belt can be washed through the steam jet pump and condensed by the condenser, the materials in the gas entering the double roots screw vacuum pump unit are greatly reduced, the influence on the rotors, the coatings and the like of the double roots screw vacuum pump unit is reduced, and the service life and the system operation stability of the double roots screw vacuum pump unit are greatly prolonged. Meanwhile, the double roots screw vacuum unit is used for replacing the front two-stage steam jet vacuum pump, so that the steam consumption of the steam jet pump is greatly reduced, and the sewage treatment load and the operation cost are reduced.
Drawings
FIG. 1 is a schematic structural diagram of a vacuum-resistant belt material vacuum device for a furan phenol production device.
The system comprises a vacuum pump, a vacuum pump system, a vacuum buffer tank, a vacuum water seal tank, a Roots vacuum pump, a screw vacuum pump, a flange, a condenser, an ejector and a steam inlet, wherein the steam jet vacuum pump system comprises a primary steam jet vacuum pump 1, a system vacuum buffer tank 2, a vacuum water seal tank 3, a Roots vacuum pump 4, a screw vacuum pump 5, a flange 6, a condenser 7, an ejector 8 and a steam inlet 9.
Detailed Description
The utility model is described in detail below with reference to the figures and examples.
An anti-vacuum material-carrying vacuum device for a furan phenol production device comprises a primary steam jet vacuum pump 1, a system vacuum buffer tank 2, a screw vacuum pump 5, a Roots vacuum pump 4, a condenser 7 and an ejector 8; an outlet of the system vacuum buffer tank 2 is connected with a primary steam jet vacuum pump 1, the other end of the primary steam jet vacuum pump 1 is connected with an ejector 8, the ejector 8 is connected with an inlet at the lower part of a condenser 7, and a vacuum port at the upper part of the condenser 7 is sequentially connected with a roots vacuum pump 4 and a screw vacuum pump 5. The top of the primary steam jet vacuum pump 1 is provided with a steam inlet 9.
The lower condensation outlet of the condenser 7 is connected with the vacuum water seal tank 3 through an atmospheric leg; the condenser 7 is higher than the vacuum water seal tank 3, and the position difference is more than 10.5 meters.
The middle part of the system vacuum buffer tank 2 is provided with a flange 6 which is connected with the system in vacuum.
The ejector 8 is kept in a vacuum state with the condenser 7.
The screw vacuum pump 5 and the Roots vacuum pump 4 are started, the primary steam jet vacuum pump 1 runs under high vacuum, steam is introduced through the steam inlet 9, and materials in the vacuum zone are washed through the ejector 8 and condensed through the condenser 7. The steam is condensed and then discharged into the vacuum water seal tank 3 along the atmospheric leg. Greatly reduced the material in the gas that gets into two roots screw vacuum unit, reduced the influence to two roots screw vacuum unit's rotor and coating etc. greatly prolonged two roots screw vacuum pump unit's life and system operation stability. Meanwhile, the double roots screw vacuum unit is used for replacing the front two-stage steam jet vacuum pump, so that the steam consumption of the steam jet pump is greatly reduced, and the sewage treatment load and the operation cost are reduced.
Claims (4)
1. An anti-vacuum material-carrying vacuum device for a furan phenol production device is characterized by comprising a primary steam jet vacuum pump (1), a system vacuum buffer tank (2), a screw vacuum pump (5), a Roots vacuum pump (4), a condenser (7) and an ejector (8); an outlet of the system vacuum buffer tank (2) is connected with a primary steam jet vacuum pump (1), the other end of the primary steam jet vacuum pump (1) is connected with an ejector (8), the ejector (8) is connected with an inlet at the lower part of a condenser (7), and a vacuum port at the upper part of the condenser (7) is sequentially connected with a roots vacuum pump (4) and a screw vacuum pump (5); the top of the primary steam jet vacuum pump (1) is provided with a steam inlet (9).
2. The vacuum-resistant belt material vacuum device for the furan phenol production device as claimed in claim 1, wherein the condensation outlet at the lower part of the condenser (7) is connected with the vacuum water seal tank (3) through an atmospheric leg; the condenser (7) is higher than the vacuum water seal tank (3), and the position difference is more than 10.5 meters.
3. The vacuum-resistant belt material vacuum device for the furan phenol production device as claimed in claim 1, wherein a flange (6) is arranged in the middle of the system vacuum buffer tank (2) and connected with the system in a vacuum mode.
4. The vacuum belt-feeding resistant device for the apparatus for producing furanol according to claim 1, wherein the ejector (8) and the condenser (7) are kept in a vacuum state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123195762.6U CN216518540U (en) | 2021-12-17 | 2021-12-17 | Furan phenol apparatus for producing is with anti vacuum area material vacuum apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123195762.6U CN216518540U (en) | 2021-12-17 | 2021-12-17 | Furan phenol apparatus for producing is with anti vacuum area material vacuum apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216518540U true CN216518540U (en) | 2022-05-13 |
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ID=81501244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123195762.6U Active CN216518540U (en) | 2021-12-17 | 2021-12-17 | Furan phenol apparatus for producing is with anti vacuum area material vacuum apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216518540U (en) |
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2021
- 2021-12-17 CN CN202123195762.6U patent/CN216518540U/en active Active
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