CN212039130U - High-efficiency mechanical defoaming machine - Google Patents
High-efficiency mechanical defoaming machine Download PDFInfo
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- CN212039130U CN212039130U CN202020322374.6U CN202020322374U CN212039130U CN 212039130 U CN212039130 U CN 212039130U CN 202020322374 U CN202020322374 U CN 202020322374U CN 212039130 U CN212039130 U CN 212039130U
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- outlet pipe
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Abstract
A high-efficiency mechanical defoaming machine comprises a defoaming turbine assembly, a pressure-bearing air outlet pipe box, a defoaming and on-line cleaning nozzle assembly, an air outlet pipe orifice, a mechanical seal, a shaft, a bearing box, a frame, a coupler, a mechanical seal cooling automatic control device and a motor; the lower part of the high-efficiency mechanical defoaming machine is provided with a defoaming turbine component which rotates at a high speed under the drive of a motor. The pressurized gas rich in foam flows around the turbine, and the foam is broken under the action of great shearing and centrifugal force. The broken foam liquid drops are thrown to the wall of the device under the action of centrifugal force, and clean gas phase enters the pressure-bearing gas outlet pipe box and the gas outlet through the turbine blades and is discharged. And the defoaming and on-line cleaning nozzle is arranged in the pressure-bearing air outlet pipe box and is used for carrying out secondary spray defoaming on the micro foam leaked into the pressure-bearing air outlet pipe box. And simultaneously, the foam breaking turbine assembly is cleaned on line. Under the combined action of the mechanical effect of shearing and centrifuging of the foam breaking turbine and the spraying of the nozzle, the foam is thoroughly broken and eliminated.
Description
Technical Field
The utility model belongs to the technical field of the high-efficient defoaming that removes of a large amount of foams is produced to polyvinyl chloride paste resin, suspension resin thick liquids transportation process in the chloroethylene chemical industry, further relate to fermentation process in all petroleum, chemical industry, biochemical industry, thick liquids transport process etc. and produce the foam and influence gas phase system operation field.
Background
In the process production of vinyl chloride industry, no matter paste resin or suspension resin is polymerized in a polymerization kettle, an essential procedure is to firstly press slurry into an intermediate storage tank and recover unpolymerized vinyl chloride gas. In the discharging process, a large amount of foam is generated and gathered in the intermediate storage tank due to the medium characteristics and the discharging speed of the resin slurry, so that the normal production is seriously influenced, and the subsequent recovery and transportation of the chloroethylene gas are difficult. It is common in the industry to add an antifoaming agent to the slurry and reduce the discharge rate under reduced pressure to overcome the hazards of discharge foam. The cost for the defoaming agent is high every year, and the addition of the defoaming agent also affects the product quality of the polyvinyl chloride resin.
SUMMERY OF THE UTILITY MODEL
For overcoming the technical defect that resin thick liquids were carried in the production of chloroethylene technology, the utility model provides an utilize high-speed rotatory novel high-efficient mechanical defoaming machine that produces shearing force, centrifugal force broken foam defoaming of turbine.
In order to achieve the purpose, the utility model is realized by the following technical scheme.
A novel high-efficiency mechanical defoaming machine comprises a defoaming turbine assembly, a pressure-bearing air outlet pipe box, a defoaming and on-line cleaning nozzle assembly, an air outlet pipe orifice, a mechanical seal, a shaft, a bearing box, a frame, a coupler, a mechanical seal cooling automatic control device and a motor;
the motor is arranged at the upper part of the frame; the bubble breaking turbine assembly is arranged at the lower end of the pressure-bearing air outlet pipe box; the shaft is connected with the motor and the foam breaking turbine assembly together through the coupler, and the foam breaking turbine assembly is driven by the motor to rotate at high speed and high precision; the bearing box is arranged in the middle of the rack and supports and ensures the rotation precision of the shaft; the air outlet pipe orifice is welded at the side part of the pressure-bearing air outlet pipe box, and the pipe orifice is arranged upwards to form an included angle with the pressure-bearing air outlet pipe box; the defoaming and on-line cleaning nozzle assembly and the air outlet pipe orifice are symmetrically arranged at the other side of the pressure-bearing air outlet pipe box, and a nozzle outlet in the defoaming and on-line cleaning nozzle assembly is arranged at the inner side of the pressure-bearing air outlet pipe box and is downward, so that the defoaming and on-line cleaning and foam breaking turbine assembly is convenient to spray and defoam; the mechanical seal is arranged at the upper part of the pressure-bearing air outlet pipe box and used for sealing a dynamic seal point between the shaft and the pressure-bearing air outlet pipe box and ensuring that the dynamic seal point between the pressure-bearing air outlet pipe box and the shaft has no leakage; the machine seal cooling automatic control device is arranged on one side above the rack, and friction heat generated by rotation of the mechanical seal is reduced through automatic control circulation of cooling water, so that the service life of the mechanical seal is ensured.
Through the structure design, the utility model provides a novel high-efficient mechanical defoaming machine, its technical characterstic is that it sets up one and breaks bubble turbine subassembly in high-efficient mechanical defoaming machine lower part, high-speed rotation under the drive of motor. The pressurized gas rich in foam flows around the foam breaking turbine, gas and liquid phases are separated under the action of great shearing force and centrifugal force outside the turbine, broken foam liquid drops are thrown to the wall of the storage tank by the centrifugal force and flow into slurry, and clean gas phase penetrates through the turbine blades and enters the pressure-bearing gas outlet pipe box and the gas outlet to be discharged. Because a rotating gap is formed between the foam breaking turbine and the bottom of the pressure-bearing air outlet pipe box, a small amount of foam possibly leaks into the pressure-bearing air outlet pipe box, and a defoaming and on-line cleaning nozzle arranged in the pressure-bearing air outlet pipe box carries out secondary spraying defoaming on the small amount of foam leaking into the pressure-bearing air outlet pipe box. And simultaneously, carrying out necessary on-line cleaning on the foam breaking turbine assembly. Under the combined action of shearing of the foam breaking turbine and centrifugal mechanical effect and spray of the nozzle, the foam is thoroughly destroyed and eliminated.
The novel efficient mechanical defoaming machine is simple and convenient to operate, high in foam breaking and defoaming efficiency and capable of reducing the using amount of the defoaming agent. Provides an effective production device for the enterprises to save energy, reduce consumption and improve the product quality.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
And (5) identifying the attached figures.
1. The device comprises a foam breaking turbine component 2, a pressure-bearing air outlet pipe box 3, a defoaming and on-line cleaning nozzle component 4, an air outlet pipe opening 5, a mechanical seal 6, a shaft 7, a bearing box 8, a frame 9, a coupler 10, a mechanical seal cooling automatic control device 11 and a motor
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
A novel high-efficiency mechanical defoaming machine comprises a defoaming turbine assembly, a pressure-bearing air outlet pipe box, a defoaming and on-line cleaning nozzle assembly, an air outlet pipe orifice, a mechanical seal, a shaft, a bearing box, a frame, a coupler, a mechanical seal cooling automatic control device and a motor;
the motor is arranged at the upper part of the frame; the bubble breaking turbine assembly is arranged at the lower end of the pressure-bearing air outlet pipe box; the shaft is connected with the motor and the foam breaking turbine assembly together through the coupler, and the foam breaking turbine assembly is driven by the motor to rotate at high speed and high precision; the bearing box is arranged in the middle of the rack and supports and ensures the rotation precision of the shaft; the air outlet pipe orifice is welded at the side part of the pressure-bearing air outlet pipe box, and the pipe orifice is arranged upwards to form an included angle with the pressure-bearing air outlet pipe box; the defoaming and on-line cleaning nozzle assembly and the air outlet pipe orifice are symmetrically arranged at the other side of the pressure-bearing air outlet pipe box, and the nozzle outlet of the defoaming and on-line cleaning nozzle assembly is arranged at the inner side of the pressure-bearing air outlet pipe box and is downward, so that the defoaming and on-line cleaning and foam breaking turbine assembly is convenient to spray and defoam; the mechanical seal is arranged at the upper part of the pressure-bearing air outlet pipe box and is used for sealing a dynamic sealing point between the shaft and the pressure-bearing air outlet pipe box so as to ensure that a rotating gap between the pressure-bearing air outlet pipe box and the shaft is free from leakage; the machine seal cooling automatic control device is arranged on one side above the rack, and friction heat generated by rotation of the mechanical seal is reduced through automatic control circulation of cooling water, so that the service life of the mechanical seal is ensured.
As shown in fig. 1, an embodiment of the present invention includes a bubble breaking turbine assembly, a pressure-bearing air outlet pipe box, a defoaming and on-line cleaning nozzle assembly, an air outlet pipe orifice, a mechanical seal, a shaft, a bearing box, a frame, a coupling, a mechanical seal cooling automatic control device, and a motor;
the motor 11 is arranged at the upper part of the frame 8; the bubble breaking turbine component 1 is arranged at the lower end of the pressure-bearing air outlet pipe box 2; the shaft 6 is connected with the motor 11 and the foam breaking turbine assembly 1 through the coupler 9, and the foam breaking turbine assembly 1 is driven by the motor 1 to rotate at a high speed and with high precision; the bearing box 7 is arranged in the middle of the frame 8 and supports and ensures the rotation precision of the shaft; the air outlet pipe mouth 4 is welded at the side part of the pressure-bearing air outlet pipe box 2, and the pipe mouth is arranged upwards to form an included angle with the pressure-bearing air outlet pipe box 2; the defoaming and on-line cleaning nozzle assembly 3 and the gas outlet pipe orifice 4 are symmetrically arranged at the other side of the pressure-bearing gas outlet pipe box 2, and the nozzle outlet of the defoaming and on-line cleaning nozzle assembly 3 is arranged at the inner side of the pressure-bearing gas outlet pipe box 2 and is downward in direction, so that the defoaming and on-line cleaning foam breaking turbine assembly 3 is conveniently sprayed and defoamed; the mechanical seal 5 is arranged at the upper part of the pressure-bearing air outlet pipe box 2 and is used for sealing a dynamic sealing point between the shaft 6 and the pressure-bearing air outlet pipe box 2 so as to ensure that a rotating gap between the pressure-bearing air outlet pipe box 2 and the shaft 6 is free from leakage; the machine seal cooling automatic control device 10 is arranged on one side above the frame 8, and friction heat generated by rotation of the mechanical seal 5 is reduced through automatic control circulation of cooling water, so that the service life of the mechanical seal 5 is ensured.
Claims (4)
1. A high-efficiency mechanical defoaming machine comprises a defoaming turbine component, a pressure-bearing air outlet pipe box, a defoaming and on-line cleaning nozzle component, an air outlet pipe orifice, a mechanical seal, a shaft, a bearing box, a frame, a coupler, a mechanical seal cooling automatic control device and a motor, and is characterized in that,
the foam breaking turbine component is a group of sweepback blades with radian uniformly distributed and welded in the upper end plate and the lower end plate, is fixedly connected with a shaft through a coupling structure in the foam breaking turbine component, and rotates at a high speed under the driving of a motor to form a high-speed rotating foam breaking and removing mechanical device.
2. The efficient mechanical defoaming machine according to claim 1, wherein the air outlet pipe orifice is welded at the side part of the pressure-bearing air outlet pipe box, and the pipe orifice is arranged at an upward included angle with the pressure-bearing air outlet pipe box.
3. The efficient mechanical defoaming machine according to claim 1, wherein the defoaming and on-line cleaning nozzle assembly is symmetrically arranged at the other side of the pressure-bearing air outlet pipe box with the air outlet pipe orifice, and the nozzle outlet of the defoaming and on-line cleaning nozzle assembly is arranged at the inner side of the pressure-bearing air outlet pipe box and is directed downwards, so that the spraying defoaming and on-line cleaning foam breaking turbine assembly is facilitated.
4. The efficient mechanical defoaming machine according to claim 1, wherein the mechanical seal is arranged at the upper part of the pressure-bearing air outlet pipe box and used for sealing a dynamic seal point between the shaft and the pressure-bearing air outlet pipe box and ensuring that the dynamic seal point between the pressure-bearing air outlet pipe box and the shaft has no leakage; the machine seal cooling automatic control device is arranged on one side above the rack, and friction heat generated by rotation of the mechanical seal is reduced through automatic control circulation of cooling water, so that the service life of the mechanical seal is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020322374.6U CN212039130U (en) | 2020-03-16 | 2020-03-16 | High-efficiency mechanical defoaming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020322374.6U CN212039130U (en) | 2020-03-16 | 2020-03-16 | High-efficiency mechanical defoaming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212039130U true CN212039130U (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020322374.6U Active CN212039130U (en) | 2020-03-16 | 2020-03-16 | High-efficiency mechanical defoaming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212039130U (en) |
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2020
- 2020-03-16 CN CN202020322374.6U patent/CN212039130U/en active Active
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