CN214598890U

CN214598890U - Energy-saving environment-friendly vacuum device for producing water-based resin

Info

Publication number: CN214598890U
Application number: CN202022660760.9U
Authority: CN
Inventors: 向泉
Original assignee: Guangzhou Dushi Intelligent Equipment Technology Co ltd
Current assignee: Guangzhou Dushi Intelligent Equipment Technology Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-11-05
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses an energy-concerving and environment-protective vacuum apparatus for water-based resin production, including reation kettle, liquid ring vacuum pump and vapour and liquid separator, reation kettle's upper end is connected with the lid. This an energy-concerving and environment-protective vacuum apparatus for water-based resin production is provided with long-pending fluid reservoir, be series connection between long-pending fluid reservoir and the vacuum buffer tank, reation kettle is inside through the stirring, condensable gas is by the condenser before getting into vacuum system through the pipeline and adopts the high-efficient condenser of wound form, condensable gas passes through condenser and condenser low temperature refrigerant exchange, with most medium condensation such as low-boiling substance/alcohol ether class solvent in the condensable gas, the condensable gaseous substance that gets into is liquid entering long-pending fluid reservoir through the condensation and stores, the condensable gas condensation of will taking out through adopting the high-efficient condensation of wound form is retrieved, intercommunication structure's vacuum system front condenser and long-pending fluid reservoir, can guarantee that condensable gas gets into the inside smoothness nature of long-pending fluid reservoir.

Description

Energy-saving environment-friendly vacuum device for producing water-based resin

Technical Field

The utility model relates to a water-based resin production technical field specifically is an energy-concerving and environment-protective vacuum apparatus for water-based resin production.

Background

The principle of the degassing and defoaming process of the water-based resin is that the product is stirred in a reaction kettle under negative pressure to remove air bubbles/low-boiling-point substances and the like in the product, and a vacuum device for producing the water-based resin is suitable for being applied to processes of vacuum feeding, material transfer, degassing and defoaming, solvent removal and the like in the process of producing the water-based resin

The condensable gas pumped by a vacuum system on the market contains low-boiling-point substances/alcohol ether solvents, the substances are directly discharged into the atmosphere or a waste gas treatment system, the directly discharged atmosphere affects the surrounding environment, VOCs (volatile organic compounds) can not be controlled, the substances are discharged into the waste gas treatment system to increase the load of a waste gas treatment device, and the replacement period and the operating cost of active carbon are increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-concerving and environment-protective vacuum apparatus for water-based resin production to containing low boiling thing alcohol ether solvent in the condensable gas that vacuum system who proposes takes out among the solution above-mentioned background art, this kind of material is in line in atmosphere or exhaust-gas treatment system, and in line atmosphere causes the influence to all ring edge borders, and the VOCs is uncontrollable, discharges in exhaust-gas treatment system increase exhaust-gas treatment device load, increases the problem that cycle and working costs were changed to active carbon.

In order to achieve the above object, the utility model provides a following technical scheme: an energy-saving and environment-friendly vacuum device for producing water-based resin comprises a reaction kettle, a liquid ring vacuum pump and a gas-liquid separator, wherein the upper end of the reaction kettle is connected with a cover body, the right side of the upper end of the cover body is connected with a front condenser of a vacuum system, the lower end of the front condenser of the vacuum system is connected with a liquid accumulation tank, the right side of the upper end of the liquid accumulation tank is connected with a vacuum buffer tank, the upper end of the right side of the vacuum buffer tank is connected with a manual ball valve, the other end of the manual ball valve is connected with a vacuum unit air inlet communicating pipe, the other end of the vacuum unit air inlet communicating pipe is connected with a vacuum pneumatic ball valve, the lower end of the vacuum pneumatic ball valve is connected with a vacuum soft joint, the liquid ring vacuum pump is connected with the lower end of the vacuum soft joint, the right side of the upper end of the liquid ring vacuum pump is connected with a vacuum system exhaust communicating pipe, the gas-liquid separator is connected with the other end of the vacuum system exhaust communicating pipe, and the lower extreme of vapour and liquid separator is connected with plate heat exchanger, one side of plate heat exchanger is provided with the thermometer, vapour and liquid separator's right side is provided with the blowdown overflow mouth, and vapour and liquid separator's front end right side is provided with automatic water supply device, vapour and liquid separator's right side upper end is connected with vacuum system exhaust condenser, fastening bolt is worn to be equipped with in the inboard of lid, and the lower extreme of lid is provided with the rubber layer, the upper end central point of lid puts and is provided with servo motor, and servo motor's lower extreme is connected with the (mixing) shaft, the outside of (mixing) shaft is provided with the stirring leaf.

Preferably, the liquid accumulation tank and the vacuum buffer tank are connected in series, and the front condenser of the vacuum system and the liquid accumulation tank are in a communicated structure.

Preferably, the liquid ring vacuum pump is communicated with the gas-liquid separator through a vacuum system exhaust communicating pipe, and the vacuum system exhaust condenser and the gas-liquid separator are vertically distributed.

Preferably, the cover body and the reaction kettle are distributed in a parallel shape, and the cover body and the reaction kettle form a movable structure through a fastening bolt.

Preferably, the outer side of the rubber layer is attached to the inner side of the cover body, and the rubber layer is fixedly connected with the cover body.

Preferably, the stirring blade and the stirring shaft are of an integrated structure, and the stirring blade and the servo motor form a rotating structure through the stirring shaft.

Compared with the prior art, the beneficial effects of the utility model are that: the energy-saving environment-friendly vacuum device for producing the water-based resin is provided with a liquid accumulation tank, the liquid accumulation tank is connected with a vacuum buffer tank in series, the interior of a reaction kettle is stirred, condensable gas enters a front condenser of a vacuum system of the front condenser of the vacuum system through a pipeline and adopts a wound high-efficiency condenser, the condensable gas is exchanged with a low-temperature refrigerant of the condenser through the condenser, most media such as low-boiling substances/alcohol ether solvents in the condensable gas are condensed, the entered condensable gaseous substances enter the liquid accumulation tank for storage through condensing into a liquid state, the extracted condensable gas is condensed and recovered through adopting wound high-efficiency condensation, and the front condenser of the vacuum system and the liquid accumulation tank which are in a communicated structure can ensure the smoothness of the condensable gas entering the liquid accumulation tank;

the liquid ring vacuum pump is communicated with the gas-liquid separator through the vacuum system exhaust communicating pipe, uncondensed condensable gas is compressed by the liquid ring vacuum pump and then is exhausted into the gas-liquid separator through the vacuum system exhaust communicating pipe, the gas passes through the vacuum system exhaust condenser from the gas-liquid separator, a small amount of uncondensed condensable gas which is not compressed by the liquid ring vacuum pump and/or condensed by the vacuum system front condenser is condensed in the vacuum system exhaust condenser to obtain secondary condensation, the condensable gas is exchanged with a low-temperature refrigerant of the condenser through the condenser, the medium such as low-boiling-point substances/alcohol ether solvents and the like in most of the condensable gas is condensed into liquid medium with high specific gravity and falls into the gas-liquid separator, air is discharged from the vacuum system exhaust condenser, and the vacuum system exhaust condenser and the gas-liquid separator which are vertically distributed can ensure the accuracy of the positions between the condensable gas and the gas-liquid separator;

stirring leaf is integral structure with the (mixing) shaft, and the lid and the reation kettle of parallel form distribution can guarantee the accuracy of position between, are convenient for install the lid through fastening bolt and dismantle, are convenient for clear up reation kettle is inside, and the cooperation sets up in the rubber layer of lid lower extreme, can guarantee the compactness of being connected between lid and the reation kettle, and servo motor drive (mixing) shaft makes the stirring leaf stir the inside raw materials of reation kettle, promotes the efficiency of raw materials reaction greatly.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the reaction kettle of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a reaction kettle; 2. a vacuum system front condenser; 3. a liquid accumulation tank; 4. a vacuum buffer tank; 5. a manual ball valve; 6. an air inlet communicating pipe of the vacuum unit; 7. a vacuum pneumatic ball valve; 8. vacuum soft joint; 9. a liquid ring vacuum pump; 10. a vacuum system exhaust communicating pipe; 11. a gas-liquid separator; 12. a plate heat exchanger; 13. a thermometer; 14. a sewage discharge overflow port; 15. an automatic water replenishing device; 16. a vacuum system exhaust condenser; 17. a cover body; 18. fastening a bolt; 19. a rubber layer; 20. a servo motor; 21. a stirring shaft; 22. stirring the leaves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an energy-saving environment-friendly vacuum device for producing water-based resin comprises a reaction kettle 1, a vacuum system front condenser 2, a liquid accumulation tank 3, a vacuum buffer tank 4, a manual ball valve 5, a vacuum unit air inlet communicating pipe 6, a vacuum pneumatic ball valve 7, a vacuum soft joint 8, a liquid ring vacuum pump 9, a vacuum system exhaust communicating pipe 10, a gas-liquid separator 11, a plate heat exchanger 12, a thermometer 13, a sewage overflow port 14, an automatic water replenishing device 15, a vacuum system exhaust condenser 16, a cover body 17, a fastening bolt 18, a rubber layer 19, a servo motor 20, a stirring shaft 21 and a stirring blade 22, wherein the upper end of the reaction kettle 1 is connected with the cover body 17, the upper end right side of the cover body 17 is connected with the vacuum system front condenser 2, the lower end of the vacuum system front condenser 2 is connected with a liquid accumulation tank 3, the upper end right side of the liquid accumulation tank 3 is connected with the vacuum buffer tank 4, and the liquid accumulation tank 3 and the vacuum buffer tank 4 are connected in series, the condenser 2 and the liquid accumulation tank 3 are in a communicated structure, the condenser 2 adopts a winding type high-efficiency condenser, condensable gas is exchanged with a low-temperature refrigerant of the condenser through the condenser, most of media such as low-boiling-point substances/alcohol ether solvents and the like in the condensable gas are condensed, the entered condensable gaseous substance is condensed into liquid state and enters the liquid accumulation tank 3 for storage, the extracted condensable gas is condensed and recovered through the winding type high-efficiency condensation, and the condenser 2 and the liquid accumulation tank 3 in the communicated structure can ensure the smoothness of the condensable gas entering the liquid accumulation tank 3;

the upper end of the right side of the vacuum buffer tank 4 is connected with a manual ball valve 5, the other end of the manual ball valve 5 is connected with a vacuum unit air inlet communicating pipe 6, the other end of the vacuum unit air inlet communicating pipe 6 is connected with a vacuum pneumatic ball valve 7, the lower end of the vacuum pneumatic ball valve 7 is connected with a vacuum soft joint 8, a liquid ring vacuum pump 9 is connected with the lower end of the vacuum soft joint 8, the right side of the upper end of the liquid ring vacuum pump 9 is connected with a vacuum system exhaust communicating pipe 10, a gas-liquid separator 11 is connected with the other end of the vacuum system exhaust communicating pipe 10, the lower end of the gas-liquid separator 11 is connected with a plate type heat exchanger 12, one side of the plate type heat exchanger 12 is provided with a thermometer 13, the right side of the gas-liquid separator 11 is provided with a sewage discharge overflow port 14, the right side of the front end of the gas-liquid separator 11 is provided with an automatic water replenishing device 15, and the upper end of the right side of the gas-liquid separator 11 is connected with a vacuum system exhaust condenser 16, the liquid ring vacuum pump 9 is communicated with the gas-liquid separator 11 through the vacuum system exhaust communicating pipe 10, the vacuum system exhaust condenser 16 and the gas-liquid separator 11 are vertically distributed, the uncondensed condensable gas is compressed by the liquid ring vacuum pump 9 and then is discharged into the gas-liquid separator 11 through the vacuum system exhaust communicating pipe 10, the gas passes through the vacuum system exhaust condenser 16 from the gas-liquid separator 11, a small amount of uncondensed condensable gas which is not compressed by the liquid ring vacuum pump 9/and condensed by the vacuum system front condenser 2 is condensed in the vacuum system exhaust condenser 16 to obtain secondary condensation, the condensable gas is exchanged with low-temperature refrigerant of the condenser through the condenser to condense medium such as low-boiling substance/alcohol ether solvent in most of the uncondensed condensable gas, the condensed medium has high specific gravity and freely falls into the gas-liquid medium and is discharged out of the vacuum system exhaust condenser 16, the vacuum system exhaust condenser 16 and the gas-liquid separator 11 which are vertically distributed can ensure the accuracy of the positions between the two parts;

fastening bolts 18 penetrate through the inner side of the cover body 17, a rubber layer 19 is arranged at the lower end of the cover body 17, a servo motor 20 is arranged at the central position of the upper end of the cover body 17, a stirring shaft 21 is connected to the lower end of the servo motor 20, stirring blades 22 are arranged on the outer side of the stirring shaft 21, the cover body 17 and the reaction kettle 1 are distributed in a parallel manner, a movable structure is formed between the cover body 17 and the reaction kettle 1 through the fastening bolts 18, the outer side of the rubber layer 19 is attached to the inner side of the cover body 17, the rubber layer 19 and the cover body 17 are fixedly connected, the stirring blades 22 and the stirring shaft 21 are in an integrated structure, the stirring blades 22 form a rotating structure between the stirring shaft 21 and the servo motor 20 through the stirring shaft 21, the cover body 17 and the reaction kettle 1 which are distributed in a parallel manner can ensure the accuracy of the positions, the cover body 17 can be conveniently installed and disassembled through the fastening bolts 18, and the interior of the reaction kettle 1 can be conveniently cleaned, the cooperation sets up in the rubber layer 19 of lid 17 lower extreme, can guarantee the compactness of being connected between lid 17 and the reation kettle 1, and servo motor 20 drive (mixing) shaft 21 makes stirring leaf 22 stir the inside raw materials of reation kettle 1, promotes the efficiency of raw materials reaction greatly.

The working principle is as follows: to this kind of an energy-concerving and environment-protective vacuum apparatus for waterborne resin production, at first add appropriate amount of raw materials in reation kettle 1 inside, servo motor 20 drive (mixing) shaft 21 makes stirring leaf 22 stir reation kettle 1 inside raw materials, promote the efficiency of raw materials reaction greatly, condensable gas is adopted the winding type high-efficient condenser by 2 preceding condensers 2 vacuum system condensers 2 of pipeline entering vacuum system, condensable gas passes through condenser and condenser low temperature refrigerant exchange, with most medium condensation such as low-boiling substance/alcohol ether class solvent in the condensable gas, the condensable gaseous substance of entering is liquid through the condensation and gets into hydrops jar 3 and stores, there is the tissue collection at hydrops jar 3. The flow of condensable gas can be reduced, the amount of waste gas can also be reduced, the pumped condensable gas is condensed and recovered by adopting winding type high-efficiency condensation, the uncondensed condensable gas is compressed by a liquid ring vacuum pump 9 and then is discharged into a gas-liquid separator 11 through a vacuum system exhaust communicating pipe 10, the gas passes through a vacuum system exhaust condenser 16 from the gas-liquid separator 11, a small amount of uncondensed condensable gas which is compressed by the liquid ring vacuum pump 9 and/or condensed by a vacuum system front condenser 2 is condensed in the vacuum system exhaust condenser 16 to obtain secondary condensation, the discharge amount of VOCs is effectively ensured, the condensable gas is exchanged with a condenser low-temperature refrigerant through the condenser, media such as low-boiling substances/alcohol ether solvents and the like in most of the condensable gas are condensed, the condensed liquid media have high specific gravity and fall into the gas-liquid separator 11, and the air is discharged from the vacuum system exhaust condenser 16, the whole using process of the energy-saving and environment-friendly vacuum device for producing the water-based resin is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an energy-concerving and environment-protective vacuum apparatus for waterborne resin production, includes reation kettle (1), liquid ring vacuum pump (9) and vapour and liquid separator (11), its characterized in that: the upper end of the reaction kettle (1) is connected with a cover body (17), the right side of the upper end of the cover body (17) is connected with a condenser (2) before a vacuum system, the lower end of the condenser (2) before the vacuum system is connected with a liquid accumulation tank (3), the right side of the upper end of the liquid accumulation tank (3) is connected with a vacuum buffer tank (4), the upper end of the right side of the vacuum buffer tank (4) is connected with a manual ball valve (5), the other end of the manual ball valve (5) is connected with a vacuum unit air inlet communicating pipe (6), the other end of the vacuum unit air inlet communicating pipe (6) is connected with a vacuum pneumatic ball valve (7), the lower end of the vacuum pneumatic ball valve (7) is connected with a vacuum soft joint (8), a liquid ring vacuum pump (9) is connected with the lower end of the vacuum soft joint (8), and the right side of the upper end of the liquid ring vacuum pump (9) is connected with a vacuum system exhaust communicating pipe (10), the gas-liquid separator (11) is connected with the other end of the vacuum system exhaust communicating pipe (10), the lower end of the gas-liquid separator (11) is connected with a plate heat exchanger (12), one side of the plate heat exchanger (12) is provided with a thermometer (13), the right side of the gas-liquid separator (11) is provided with a sewage discharge overflow port (14), and the right side of the front end of the gas-liquid separator (11) is provided with an automatic water replenishing device (15), the upper end of the right side of the gas-liquid separator (11) is connected with a vacuum system exhaust condenser (16), the inner side of the cover body (17) is penetrated with a fastening bolt (18), a rubber layer (19) is arranged at the lower end of the cover body (17), a servo motor (20) is arranged at the center position of the upper end of the cover body (17), and the lower end of the servo motor (20) is connected with a stirring shaft (21), and the outer side of the stirring shaft (21) is provided with a stirring blade (22).

2. The energy-saving and environment-friendly vacuum device for producing the water-based resin as claimed in claim 1, is characterized in that: the liquid accumulation tank (3) and the vacuum buffer tank (4) are connected in series, and the front condenser (2) of the vacuum system and the liquid accumulation tank (3) are in a communicated structure.

3. The energy-saving and environment-friendly vacuum device for producing the water-based resin as claimed in claim 1, is characterized in that: the liquid ring vacuum pump (9) is communicated with the gas-liquid separator (11) through a vacuum system exhaust communicating pipe (10), and the vacuum system exhaust condenser (16) and the gas-liquid separator (11) are vertically distributed.

4. The energy-saving and environment-friendly vacuum device for producing the water-based resin as claimed in claim 1, is characterized in that: the cover body (17) and the reaction kettle (1) are distributed in parallel, and the cover body (17) and the reaction kettle (1) form a movable structure through a fastening bolt (18).

5. The energy-saving and environment-friendly vacuum device for producing the water-based resin as claimed in claim 1, is characterized in that: the outer side of the rubber layer (19) is attached to the inner side of the cover body (17), and the rubber layer (19) is fixedly connected with the cover body (17).

6. The energy-saving and environment-friendly vacuum device for producing the water-based resin as claimed in claim 1, is characterized in that: the stirring blade (22) and the stirring shaft (21) are of an integrated structure, and the stirring blade (22) and the servo motor (20) form a rotating structure through the stirring shaft (21).