CN207786019U - The improved structure of stoste workshop defoaming device - Google Patents
The improved structure of stoste workshop defoaming device Download PDFInfo
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- CN207786019U CN207786019U CN201721485665.1U CN201721485665U CN207786019U CN 207786019 U CN207786019 U CN 207786019U CN 201721485665 U CN201721485665 U CN 201721485665U CN 207786019 U CN207786019 U CN 207786019U
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- vacuum pump
- liquid
- pipeline
- ring vacuum
- condensing unit
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Abstract
The utility model discloses a kind of improved structures of stoste workshop defoaming device, including deaerator, condensing unit, vacuum pump liquid feeding ring vacuum system；The deaerator, condensing unit, vacuum pump liquid feeding ring vacuum system are sequentially connected by pipeline；The condensing unit is shell-and-tube cooler or mixing direct contact type condenser；The vacuum pump liquid feeding ring vacuum system is enclosed liquid ring vacuum unit or open type liquid-ring vacuum pump.Since the utility model vacuum pump liquid feeding ring vacuum system replaces traditional steam jet ejector vacuum system, although being driven using air, increase a small amount of power consumption, the dosage of a large amount of steam and cooling water has been saved.Also, since the utility model cooling water avoids being in direct contact with process gas, the generation of trade effluent is avoided；Cooling water can be recycled.
Description
Technical field
The utility model is related to a kind of viscose rayon industries, more particularly to a kind of improvement knot of stoste workshop defoaming device
Structure.
Background technology
In the production process of viscose rayon, as shown in Figure 1, stoste workshop defoaming device includes deaerator 1 ', steam spray
The components 3 ' such as emitter 2 ', condenser include the components 3 ' such as deaerator 1 ', steam jet ejector 2 ', condenser and are sequentially connected by pipeline.
This defoaming device commonly used has the following defects：
1, former technology mainly uses steam jet ejector 2 ' to generate vacuum, since steam jet ejector 2 ' needs a large amount of 0.4-
0.5MPa steam is driven, and the consumption of steam and the increase of use cost are caused.
2, it after spraying due to steam, needs to cool down a large amount of steam, so needing a large amount of cooling water to steam
Cooling, the internal circulating load of cooling water is big, and use cost is also high.
3, after cooling water and steam and process gas are in direct contact, cooling water pollution is caused, increases the cost of wastewater treatment.
Utility model content
The purpose of this utility model is to provide a kind of improved structures of low-cost stoste workshop defoaming device.
To achieve the above object, the technical solution of the utility model is：
The utility model is a kind of improved structure of stoste workshop defoaming device, including deaerator, condensing unit, big gas blowout
Emitter liquid feeding ring vacuum system；The deaerator, condensing unit, vacuum pump liquid feeding ring vacuum system by pipeline successively
Connection；The condensing unit is shell-and-tube cooler or mixing direct contact type condenser；The vacuum pump liquid feeding
Ring vacuum system is enclosed liquid ring vacuum unit or open type liquid-ring vacuum pump.
Deaerator be sequentially installed with inlet valve, check-valves, pressure gauge, pressure in condensing unit connecting pipe and open
It closes.
The vacuum pump liquid feeding ring vacuum system includes vacuum pump, liquid-ring vacuum pump, moisture trap, changes
Hot device；The injection medium inlet of the vacuum pump is connect by pipeline with condensing unit, and the work of vacuum pump is situated between
Matter nozzle is connect by pipeline with moisture trap, in the pipe that the working media nozzle of vacuum pump is connect with moisture trap
Pneumatic operated valve and hand-operated valve are installed on road；The mixed gas outlet of vacuum pump is connect by pipeline with liquid-ring vacuum pump, liquid
The outlet of ring vacuum pump is connected by the entrance of pipeline moisture trap, and the working solution entrance of liquid-ring vacuum pump passes through pipeline and gas
The working solution outlet connection of separator, in the connection of the working solution entrance and the outlet of moisture trap working solution of liquid-ring vacuum pump
Heat exchanger is installed on pipeline；The moisture trap is equipped with liquid level gauge, liquid-level switch, water supply solenoid valve, hand-operated valve.
The vacuum pump liquid feeding ring vacuum system includes vacuum pump, liquid-ring vacuum pump, moisture trap；Institute
The injection medium inlet for the vacuum pump stated is connect by pipeline with condensing unit, and the working media nozzle of vacuum pump is logical
Piping is connect with moisture trap, is installed on the pipeline that is connect with moisture trap of working media nozzle of vacuum pump
There are pneumatic operated valve and hand-operated valve；The mixed gas outlet of vacuum pump is connect by pipeline with liquid-ring vacuum pump, liquid-ring vacuum pump
Outlet connected by the entrance of pipeline moisture trap, the working solution entrance of liquid-ring vacuum pump passes through pipeline and moisture trap
Working solution outlet connection, the entrance of the liquid-ring vacuum pump connect by pipeline with water supplement port.
The condensing unit includes pre-separator and shell-and-tube cooler；The pre-separator and shell-and-tube are cold
Condenser is connected by pipeline.
The condensing unit is mixing direct contact type condenser.
After adopting the above scheme, since the utility model is mainly true by deaerator, condensing unit, vacuum pump liquid feeding ring
Empty set system composition, has the following advantages：
1, since the utility model eliminates steam jet ejector, the use of steam is avoided in this way.
2, since the utility model vacuum pump liquid feeding ring vacuum system replaces traditional steam jet ejector vacuum system
System, although being driven using air, is increased a small amount of power consumption, has saved the dosage of a large amount of steam and cooling water.
3, since the utility model cooling water avoids being in direct contact with process gas, the generation of trade effluent is avoided；It is cooling
Water can be recycled.
4, since the utility model steam is cancelled, the dosage of cooling water is greatly reduced, and can save the use cost of refrigeration machine.
5, after due to the utility model substitution original steam injection vacuum system, can recoup capital outlay cost in about 1-2.
The utility model is further described in the following with reference to the drawings and specific embodiments.
Description of the drawings
Fig. 1 is the structural schematic diagram for commonly using stoste workshop defoaming device；
Fig. 2 is the structural schematic diagram of the utility model first and second embodiment；
Fig. 3 is the front view of the utility model shell-and-tube cooler；
Fig. 4 is the vertical view of the utility model shell-and-tube cooler；
Fig. 5 is the front view of the utility model mixing direct contact type condenser；
Fig. 6 is the vertical view of the utility model mixing direct contact type condenser；
Fig. 7 is the front view of the utility model pre-separator；
Fig. 8 is the vertical view of the utility model pre-separator.
Specific implementation mode
As shown in Fig. 2, be a kind of one embodiment of the improved structure of stoste workshop defoaming device of the utility model, it
Including deaerator 1, condensing unit 2, vacuum pump liquid feeding ring vacuum system 3, inlet valve 4, check-valves 5, pressure gauge 6, pressure
Power switch 7.
The deaerator 1, condensing unit 2, vacuum pump liquid feeding ring vacuum system 3 are sequentially connected by pipeline.
It is sequentially installed with inlet valve 4, check-valves 5, pressure gauge 6, pressure switch 7 in deaerator 1 and 2 connecting pipe of condensing unit.
The vacuum pump liquid feeding ring vacuum system 3 be enclosed liquid ring vacuum unit, it include vacuum pump 31,
Liquid-ring vacuum pump 32, moisture trap 33, heat exchanger 34, pneumatic operated valve 35, hand-operated valve 36, liquid level gauge 37, liquid-level switch 38, moisturizing
Solenoid valve 39, hand-operated valve 310；The injection medium inlet 311 of the vacuum pump 31 is connected by pipeline and condensing unit 2
It connects, the working media nozzle 312 of vacuum pump 3 is connect by pipeline with moisture trap 33, in the work of vacuum pump 3
Pneumatic operated valve 35 and hand-operated valve 36 are installed on the pipeline that medium nozzle 312 is connect with moisture trap 33；Vacuum pump 3 mixes
It closes gas vent 313 to connect with liquid-ring vacuum pump 32 by pipeline, the outlet of liquid-ring vacuum pump 32 passes through pipeline moisture trap
33 entrance connection, the working solution entrance of liquid-ring vacuum pump 32 is connect by pipeline with the outlet of moisture trap 33, in pendular ring
The working solution entrance of vacuum pump is equipped with heat exchanger 34 in the connecting pipe of the outlet of moisture trap 33.
The condensing unit 2 includes pre-separator 21 and shell tube condenser 22；The pre-separator 21 and shell
Formula condenser 22 is connected by pipeline.As shown in Figure 3, Figure 4, the shell tube condenser 22 is equipped with cooling water inlet 221, cold
But water out 222, air inlet 223, exhaust outlet 224, condensation-water drain 225, condensation-water drain 225 are opening down.
The moisture trap 33 is equipped with liquid level gauge 37, liquid-level switch 38, water supply solenoid valve 39, hand-operated valve 310.Such as
Shown in Fig. 7, Fig. 8 figure, the pre-separator 21 is equipped with air inlet 211, exhaust outlet 212, drain hole 213 and observation panel
214, drain hole 213 is opening down.
The technological process of the utility model：
1, viscose solution enters deaerator 1 from feed inlet, and between 28-32 degree, the vacuum pressure of deaerator 1 is temperature
15-45mbarA.2, after viscose solution enters deaerator 1, under the vacuum pressure of 15-45mbarA, by the gas in viscose solution
Bubble abjection, while the moisture in solution can also evaporate, and need to absorb heat after moisture evaporation, lead to the temperature reduction of solution, it is molten
The inlet temperature and outlet temperature difference of liquid are at 5-8 degrees Celsius.For viscose solution from deaerator bottom discharge, charging rate and discharging are fast
Degree keeps balance, belongs to continuous production process.3,1 top of deaerator connects vacuum system, and the bubble deviate from deaerator 1 is (empty
Gas) and evaporation steam under the conditions of vacuum action enter condensing unit 2, by condensing unit 2 processing after, surplus air and water
Vapour enters vacuum pump liquid feeding ring vacuum system 3.4, the air in vacuum pump liquid feeding ring vacuum system 3, it is true in pendular ring
Under the suction of sky pump 32, venturi principle is formed, generates the residue that than 32 higher vacuum values of liquid-ring vacuum pump, deaeration is generated
Air and steam sucking, are then discharged into liquid-ring vacuum pump 32 again.5, after liquid-ring vacuum pump 21 sucks mixed gas, compressed exhaust is extremely
After 33 gas-water separation of moisture trap, gas discharge, working solution water can be recycled or drain into and handles elsewhere.6, working solution
Water needs recycle, and after the water in moisture trap 33 first passes through heat exchanger cooling, enter back into vacuum pump use, in order to avoid
Occur suddenly without aqueous condition, equipped with water supplement function, Liquid level and warning function, dirt eliminating function, temperature control function etc..7、
Start and stop, alarm, display, the control of the system can set DCS and carry out automatic operating.
As shown in Fig. 2, be a kind of second embodiment of the improved structure of stoste workshop defoaming device of the utility model, it
Including deaerator 1A, condensing unit 2A, vacuum pump liquid feeding ring vacuum system 3A, inlet valve 4A, check-valves 5A, pressure gauge
6A, pressure switch 7A.
The deaerator 1A, condensing unit 2A, vacuum pump liquid feeding ring vacuum system 3A are connected successively by pipeline
It connects.Inlet valve 4A, check-valves 5A, pressure gauge 6A, pressure are sequentially installed on deaerator 1A and condensing unit 2A connecting pipes
Power switch 7A.
The vacuum pump liquid feeding ring vacuum system 3A be open type liquid-ring vacuum pump, it include vacuum pump 31A,
Liquid-ring vacuum pump 32A, moisture trap 33A, pneumatic operated valve 35A, hand-operated valve 36A；The injection medium of the vacuum pump 31A
Entrance 311A is connect by pipeline with condensing unit 2A, and the working media nozzle 312A of vacuum pump 3A passes through pipeline and air water
The mixed gas outlet 313A of separator 2A connections, vacuum pump 3A is connect by pipeline with liquid-ring vacuum pump 32A, and pendular ring is true
The outlet that sky pumps 32A is connected by the entrance of pipeline moisture trap 33A, and the entrance of liquid-ring vacuum pump 32A passes through pipeline and benefit
The mouth of a river connects.Gas is installed on the pipeline that the working media nozzle 311A of vacuum pump 31A is connect with moisture trap 33A
Dynamic valve 35A and hand-operated valve 36A.
As shown in Figure 5, Figure 6, the condensing unit 2A is mixing direct contact type condenser.Which is provided with cooling water into
Mouth 21A, cooling water outlet 22A, air inlet 23A, exhaust outlet 24A, cooling water outlet 22A go out mouth down.
The workflow and one embodiment of the present embodiment are essentially identical, and only working solution water is without recycling, directly
Run in.
It should be noted that：(shell-and-tube cooler directly connects with mixing two kinds of condensing units in two embodiments
Touch condenser) can respectively with two kinds of vacuum pump liquid feeding ring vacuum system (enclosed liquid ring vacuum machines in two embodiments
Group or open type liquid-ring vacuum pump) it matches, using enclosed liquid ring vacuum unit, working solution is recycled using internal, is saved
Use water；Using open type liquid-ring vacuum pump, working solution does not recycle, and is expelled directly out.
The above, only the utility model preferred embodiment, therefore the utility model implementation cannot be limited with this
Range all should still belong to this reality that is, according to equivalent changes and modifications made by present utility model application the scope of the claims and description
In the range of being covered with new patent.
Claims (7)
1. a kind of improved structure of stoste workshop defoaming device, it is characterised in that：Including deaerator, condensing unit, big gas jet
Device liquid feeding ring vacuum system；The deaerator, condensing unit, vacuum pump liquid feeding ring vacuum system are connected successively by pipeline
It connects；The condensing unit is shell-and-tube cooler or mixing direct contact type condenser；The vacuum pump liquid feeding ring
Vacuum system is enclosed liquid ring vacuum unit or open type liquid-ring vacuum pump.
2. the improved structure of stoste workshop described in claim 1 defoaming device, it is characterised in that：In deaerator and condensing unit
Inlet valve, check-valves, pressure gauge, pressure switch are sequentially installed in connecting pipe.
3. the improved structure of stoste workshop according to claim 1 defoaming device, it is characterised in that：The big gas jet
Device liquid feeding ring vacuum system includes vacuum pump, liquid-ring vacuum pump, moisture trap, heat exchanger；The vacuum pump
Injection medium inlet connect with condensing unit by pipeline, the working media nozzle of vacuum pump passes through pipeline and air water point
It is connected from device, pneumatic operated valve and manual is installed on the pipeline that is connect with moisture trap of working media nozzle of vacuum pump
Valve；The mixed gas outlet of vacuum pump is connect by pipeline with liquid-ring vacuum pump, and the outlet of liquid-ring vacuum pump passes through pipeline
The entrance of moisture trap connects, and the entrance of liquid-ring vacuum pump is connected by the outlet of pipeline and injector, in liquid-ring vacuum pump
Working solution entrance and moisture trap working solution outlet connecting pipe on heat exchanger is installed；The moisture trap
Liquid level gauge, liquid-level switch, water supply solenoid valve, hand-operated valve are installed.
4. the improved structure of stoste workshop according to claim 1 defoaming device, it is characterised in that：The big gas jet
Device liquid feeding ring vacuum system includes vacuum pump, liquid-ring vacuum pump, moisture trap；The injection of the vacuum pump is situated between
Matter entrance is connect by pipeline with condensing unit, and the working media nozzle of vacuum pump is connected by pipeline and moisture trap
It connects, pneumatic operated valve and hand-operated valve is installed on the pipeline that is connect with moisture trap of working media nozzle of vacuum pump；Greatly
The mixed gas outlet of gas blowout emitter is connect by pipeline with liquid ring vacuum pump intake, and the outlet of liquid-ring vacuum pump passes through pipeline gas
The entrance of separator connects, and the entrance of liquid-ring vacuum pump is connected by the outlet of pipeline and injector, the liquid ring vacuum
The working solution entrance of pump is connect by pipeline with water supplement port.
5. the improved structure of stoste workshop described in claim 1 defoaming device, it is characterised in that：The condensing unit includes
Pre-separator and shell-and-tube cooler；The pre-separator is connect with shell-and-tube cooler by pipeline；The pipe
Shell tube condenser is equipped with cooling water inlet, cooling water outlet, air inlet, exhaust outlet, condensation-water drain, condensation-water drain opening
Downward.
6. the improved structure of stoste workshop described in claim 1 defoaming device, it is characterised in that：The condensing unit is mixed
Direct contact type condenser is closed, cooling water inlet, cooling water outlet, air inlet, exhaust outlet, cooling water outlet opening are which is provided with
Downward.
7. the improved structure of the stoste workshop defoaming device described in claim 5, it is characterised in that：On the pre-separator
Equipped with air inlet, exhaust outlet, drain hole and observation panel, drain hole is opening down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721485665.1U CN207786019U (en) | 2017-11-09 | 2017-11-09 | The improved structure of stoste workshop defoaming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721485665.1U CN207786019U (en) | 2017-11-09 | 2017-11-09 | The improved structure of stoste workshop defoaming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207786019U true CN207786019U (en) | 2018-08-31 |
Family
ID=63285381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721485665.1U Ceased CN207786019U (en) | 2017-11-09 | 2017-11-09 | The improved structure of stoste workshop defoaming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207786019U (en) |
-
2017
- 2017-11-09 CN CN201721485665.1U patent/CN207786019U/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20190403 Decision number of declaring invalidation: 39649 Granted publication date: 20180831 |