CN108591056A - A kind of solvent recycling dry vacuum unit - Google Patents
A kind of solvent recycling dry vacuum unit Download PDFInfo
- Publication number
- CN108591056A CN108591056A CN201810627053.4A CN201810627053A CN108591056A CN 108591056 A CN108591056 A CN 108591056A CN 201810627053 A CN201810627053 A CN 201810627053A CN 108591056 A CN108591056 A CN 108591056A
- Authority
- CN
- China
- Prior art keywords
- filter
- vacuum pump
- solvent
- cooling water
- rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0092—Removing solid or liquid contaminants from the gas under pumping, e.g. by filtering or deposition; Purging; Scrubbing; Cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Abstract
The present invention relates to solvent technical fields, especially a kind of solvent recycles dry vacuum unit, including rack, the bottom level of the rack is equipped with recycling can, screw vacuum pump is installed at the top of the rack, the both ends of the screw vacuum pump offer vacuum pump cooling water inlet and vacuum pump cooling water outlet respectively, and the screw vacuum pump is connected with motor close to one end of vacuum pump cooling water inlet, the screw vacuum pump air entry is connected with filter by pipeline, the filter is fixedly mounted on one end of rack vertically, and it is interconnected between the filter and screw vacuum pump inside, inlet non-return valve is installed on pipeline between the filter and screw vacuum pump.The present invention is Integration Design, compact-sized, easy for installation, it can be achieved that the condensation of pumped gas, filtering, the consumption for lime set online recycling, discharging, while effectively reducing solvent pollution, reducing solvent, improve the economic benefit of pharmacy corporation.
Description
Technical field
The present invention relates to solvent technical fields more particularly to a kind of solvent to recycle dry vacuum unit.
Background technology
Solvent refer to can dissolved gas, solid, liquid become homogeneous mixture a kind of liquid, be widely used in pharmacy
Cheng Zhong, such as methanol, ethyl alcohol, isopropanol, acetone, ethyl ester, butyl ester, dichloromethane, acetonitrile.In the production process solvent sheet of pharmacy
Body is not involved in chemical reaction, and solvent plays the role of carrier and medium.The technical process such as extract, refine, drying of drug are all
It carries out under vacuum conditions, volatility is larger under vacuum for solvent, and most solvent is into being arranged before vacuum pump
Condenser in condensing recovery, but still there is a big chunk solvent to be drawn into vacuum pump, traditional pumping equipment is adopted
With water-ring vacuum pump, water-jet pump, roots pump systems with water ring etc., which needs to use water as circulation industrial
Make liquid, solvent, which enters after vacuum pump, to be directly added in working solution recirculated water, causes water pollution and a large amount of solvent, sewage is lost
Processing cost, the expense that solvent is lost lead to the significant wastage of pharmacy corporation, while exhaust emissions can be caused not up to standard, restrict system
The healthy Green Development of medicine enterprise.In addition traditional water-ring vacuum pump, water-jet pump efficiency are low, and power consumption is high, does not meet section
It can require.
Invention content
Low the purpose of the present invention is to solve efficiency exists in the prior art, power consumption is high, does not meet lacking for power conservation requirement
Point, and a kind of solvent proposed recycles dry vacuum unit.
To achieve the goals above, present invention employs following technical solutions：
A kind of solvent recycling dry vacuum unit is designed, including rack, the bottom level of the rack are equipped with recycling can,
Screw vacuum pump is installed, the both ends of the screw vacuum pump offer vacuum pump cooling water inlet respectively at the top of the rack
With vacuum pump cooling water outlet, and the screw vacuum pump is connected with motor close to one end of vacuum pump cooling water inlet, institute
It states screw vacuum pump air entry and filter is connected with by pipeline, the filter is fixedly mounted on one end of rack vertically, and
It is interconnected between the filter and screw vacuum pump inside, is installed on the pipeline between the filter and screw vacuum pump
There is inlet non-return valve, offers air inlet, filter cooling water inlet, filter cooling water outlet respectively on the filter
And the first solvent discharging hole, the air inlet are located above filter cooling water inlet, filter cooling water outlet position
Above air inlet, the first solvent discharging hole is located at filter bottom end, the screw vacuum pump air entry and entrance non-return
Nitrogen rinse-system is connected between valve, the nitrogen rinse-system is fixedly mounted on the side of rack, and the nitrogen rinses
It is interconnected between system and screw vacuum pump and filter, is connected with by pipeline in the gas outlet of the screw vacuum pump
Condenser, the condenser be located at the same side of nitrogen rinse-system and vertical skid to rack on upper, the top of the condenser
Portion and bottom offer condenser cooling water outlet and condenser cooling water import respectively, and between the condenser and recycling can
It is interconnected by pipeline, exhaust outlet is offered at the top of the recycling can, the bottom of the recycling can is arranged equipped with the second solvent
Net mouth.
Preferably, the condenser is winding trumpet cooler, and the cylindrical setting of the condenser.
Preferably, the filter is the filter with condensing recovery function.
Preferably, installing port is offered at the top of the filter, and sealing cover is fitted with inside the installing port, it is described close
It is connected by multiple locking members between capping and filter, multiple locking members equidistant are set along the circumferencial direction of sealing cover
It sets.
Preferably, wavy metal is connected with by sealed connecting component on the pipeline between the inlet non-return valve and filter
Pipe.
Preferably, lift stand is vertically fixed at the bottom both ends of the rack, and the recycling can is installed on two lift stand tops
Portion.
Preferably, offer vacuum breaker mouth on the outside of the filter, the vacuum breaker mouth with inside filter reclaiming chamber
Connection.
A kind of solvent proposed by the present invention recycles dry vacuum unit, and advantageous effect is：By the pumped gas containing solvent
Enter the filter interior with condensing recovery function from air inlet first by the suction of screw vacuum pump, to pumped gas
Cooled down, dust-filtering, through the filtered pumped gas of cooling down by the suction of screw vacuum pump, compress, be transported to winding
Inside trumpet cooler, the solvent after condensation liquefaction, which flows into recycling can, to be stored, and fixed gas passes through the exhaust on recycling can
Mouth discharge system, the solvent of recycling are recycled by the second solvent discharging hole.The present invention is Integration Design, compact-sized,
It is easy for installation, it can be achieved that the condensation of pumped gas, filtering, lime set online recycling, discharge, while effectively reducing solvent pollution, drop
The consumption of low solvent improves the economic benefit of pharmacy corporation.
Description of the drawings
Fig. 1 is the structural schematic diagram that a kind of solvent proposed by the present invention recycles dry vacuum unit；
Fig. 2 is the overlooking structure diagram that a kind of solvent proposed by the present invention recycles dry vacuum unit；
Fig. 3 is the left view structural representation that a kind of solvent proposed by the present invention recycles dry vacuum unit.
In figure：Motor 1, recycling can 2, rack 3, screw vacuum pump 4, condenser 5, nitrogen rinse-system 6, entrance non-return
Valve 7, filter 8, air inlet 9, exhaust outlet 10, condenser cooling water import 11, condenser cooling water outlet 12, filter cooling
Water inlet 13, filter cooling water outlet 14, vacuum pump cooling water inlet 15, vacuum pump cooling water outlet 16, the first solvent row
Net mouth 17, vacuum breaker mouth 18, the second solvent discharging hole 19.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-3, a kind of solvent recycles dry vacuum unit, including rack 3, the bottom level of rack 3 are equipped with back
Lift stand is vertically fixed at the bottom both ends of closed cans 2, rack 3, and recycling can 2 is installed at the top of two lift stands, the top peace of rack 3
Equipped with screw vacuum pump 4, the both ends of screw vacuum pump 4 offer vacuum pump cooling water inlet 15 respectively and vacuum pump cooling water goes out
Mouth 16, and screw vacuum pump 4 is connected with motor 1,4 air entry of screw vacuum pump close to one end of vacuum pump cooling water inlet 15
It is connected with filter 8 by pipeline, filter 8 is the filter with condensing recovery function, and the top of filter 8 offers peace
Mouth is filled, sealing cover is fitted with inside installing port, is connected by multiple locking members between sealing cover and filter 8, multiple locking members
Circumferencial direction along sealing cover is equidistantly positioned, and filter 8 is fixedly mounted on one end of rack 3 vertically, and the outside of filter 8 is opened
It equipped with vacuum breaker mouth 18, is connected to inside vacuum breaker mouth 18 and 8 reclaiming chamber of filter, and filter 8 and 4 inside of screw vacuum pump
Between be interconnected, inlet non-return valve 7, inlet non-return valve 7 and mistake are installed on the pipeline between filter 8 and screw vacuum pump 4
Metal bellows is connected with by sealed connecting component on pipeline between filter 8, offered respectively on filter 8 air inlet 9,
Filter cooling water inlet 13, filter cooling water outlet 14 and the first solvent discharging hole 17, it is cold that air inlet 9 is located at filter
But 13 lower section of water inlet, filter cooling water outlet 14 are located at 9 top of air inlet, and the first solvent discharging hole 17 is located at filter 8
Bottom end, is connected with nitrogen rinse-system 6 between 4 air entry of screw vacuum pump and inlet non-return valve 7, nitrogen rinse-system 6 is fixed
It mounted on the side of rack 3, and is interconnected between nitrogen rinse-system 6 and screw vacuum pump 4 and filter 8, in screw rod
The gas outlet of vacuum pump 4 is connected with condenser 5 by pipeline, and condenser 5 is winding trumpet cooler, and condenser 5 is in cylinder
Shape is arranged, condenser 5 be located at the same side of nitrogen rinse-system 6 and vertical skid to rack 3 upper, the top of condenser 5 with
Bottom offers condenser cooling water outlet 12 and condenser cooling water import 11 respectively, and leads between condenser 5 and recycling can 2
Piping is interconnected, and the top of recycling can 2 offers exhaust outlet 10, and the bottom of recycling can 2 is equipped with the second solvent discharging hole 19.
By screw vacuum pump 4, the gas to contain solvent is pumped by air inlet 9 inside filter 8, due to filtering
Device 8 carries condensing recovery function, so as to be cooled down to the gas containing solvent of its inside, dust-filtering, is rushed by nitrogen
System 6 is washed, it can be achieved that cooling, purging to screw pump rotor can play flammable explosive gas and protect since nitrogen is inert gas
Shield acts on, through the filtered pumped gas of cooling down by the suction of screw vacuum pump 4, compress, be transported to winding trumpet cooler 5
Inside, by condenser 5, to which its internal gas is carried out condensation liquefaction, the solvent after condensation liquefaction is flowed by pipeline
It is stored in recycling can 2, for fixed gas by 10 discharge system of exhaust outlet on recycling can 2, the solvent of recycling is molten by second
Matchmaker's discharging hole 19 recycles, and to the consumption for effectively reducing solvent pollution, reducing solvent, improves the economic effect of pharmacy corporation
Benefit, by inlet non-return valve 7, the gas so as to avoid screw vacuum pump 4 from being extracted is back to again inside filter 8,
By motor 1, so as to drive screw vacuum pump 4 to work, by locking member, so as to by sealing cover and filtering
Device 8 is fixedly connected, and convenience is repaired to filter 8 and the cleaning maintenance of filter core, passes through sealed connecting component and metal wave
Line pipe consequently facilitating the pipeline between inlet non-return valve 7 and filter 8 is replaced, while reducing the work of motor 1 and being produced
Raw vibratory sensation avoids filter 8 from causing damage, by vacuum pump cooling water inlet 15 and vacuum pump cooling water outlet 16,
So as to carry out cooling work to screw vacuum pump 4, avoids temperature excessively high and internal zero device is caused to damage, and condenser is cold
But water inlet 11, condenser cooling water outlet 12, filter cooling water inlet 13 and filter cooling water outlet 14, are played to containing
Solvent gas will carry out the effect of cooling down, by the first solvent discharging hole 17, so as to by 8 internal condensation of filter
Solvent liquid is excluded online, by vacuum breaker mouth 18, when solvent in 8 reclaiming chamber of emissions filter, can destroy filtering
Vacuum in 8 reclaiming chamber of device, to carry out solvent discharge.
Embodiment：Pumped gas containing solvent is entered from air inlet 9 with cold first by the suction of screw vacuum pump 4
Inside the filter 8 of solidifying recycling function, to be cooled down to pumped gas, dust-filtering, through filtered be evacuated that cool down
Body by the suction of screw vacuum pump 4, compress, be transported to inside winding trumpet cooler 5, the solvent stream after condensation liquefaction
Enter storage, fixed gas in recycling can 2 and second solvent is passed through by 10 discharge system of exhaust outlet on recycling can 2, the solvent of recycling
Discharging hole 19 is recycled, and to the consumption for effectively reducing solvent pollution, reducing solvent, improves the economic effect of pharmacy corporation
Benefit.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of solvent recycles dry vacuum unit, including rack (3), the bottom level of the rack (3) are equipped with recycling can
(2), which is characterized in that screw vacuum pump (4), the both ends point of the screw vacuum pump (4) are installed at the top of the rack (3)
Vacuum pump cooling water inlet (15) and vacuum pump cooling water outlet (16) are not offered, and the screw vacuum pump (4) is close to true
One end of sky pump cooling water inlet (15) is connected with motor (1), and screw vacuum pump (4) air entry is connected with by pipeline
Filter (8), the filter (8) are fixedly mounted on one end of rack (3), and the filter (8) and screw vacuum vertically
Pump is interconnected between (4) inside, and entrance non-return is equipped on the pipeline between the filter (8) and screw vacuum pump (4)
Valve (7) offers air inlet (9), filter cooling water inlet (13), filter cooling water respectively on the filter (8)
(14) and the first solvent discharging hole (17) are exported, the air inlet (9) is located at below filter cooling water inlet (13), described
Filter cooling water outlet (14) is located above air inlet (9), and the first solvent discharging hole (17) is located at filter (8) bottom
End is connected with nitrogen rinse-system (6), the nitrogen punching between screw vacuum pump (4) air entry and inlet non-return valve (7)
Wash the side that system (6) is fixedly mounted on rack (3), and the nitrogen rinse-system (6) and screw vacuum pump (4) and filtering
It is interconnected between device (8), condenser (5), the condensation is connected with by pipeline in the gas outlet of the screw vacuum pump (4)
Device (5) be located at the same side of nitrogen rinse-system (6) and vertical skid to rack 3 at upper, the top and bottom of the condenser (5)
Portion offers condenser cooling water outlet (12) and condenser cooling water import (11), and the condenser (5) and recycling respectively
It is interconnected by pipeline between tank (2), exhaust outlet (10) is offered at the top of the recycling can (2), the recycling can (2)
Bottom is equipped with the second solvent discharging hole (19).
2. a kind of solvent according to claim 1 recycles dry vacuum unit, which is characterized in that the condenser (5) is
Wind trumpet cooler, and the condenser (5) cylindrical setting.
3. a kind of solvent according to claim 1 recycles dry vacuum unit, which is characterized in that the filter (8) is
Filter with condensing recovery function.
4. a kind of solvent according to claim 1 recycles dry vacuum unit, which is characterized in that the filter (8)
Top offers installing port, sealing cover is fitted with inside the installing port, by multiple between the sealing cover and filter (8)
Locking member connects, and multiple locking members are equidistantly positioned along the circumferencial direction of sealing cover.
5. a kind of solvent according to claim 1 recycles dry vacuum unit, which is characterized in that the inlet non-return valve
(7) metal bellows is connected with by sealed connecting component on the pipeline between filter (8).
6. a kind of solvent according to claim 1 recycles dry vacuum unit, which is characterized in that the bottom of the rack (3)
Lift stand is vertically fixed at portion both ends, and the recycling can (2) is installed at the top of two lift stands.
7. according to a kind of solvent recycling dry vacuum unit described in claim 1, which is characterized in that outside the filter (8)
Side offers vacuum breaker mouth (18), is connected to inside the vacuum breaker mouth (18) and filter (8) reclaiming chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810627053.4A CN108591056A (en) | 2018-06-19 | 2018-06-19 | A kind of solvent recycling dry vacuum unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810627053.4A CN108591056A (en) | 2018-06-19 | 2018-06-19 | A kind of solvent recycling dry vacuum unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108591056A true CN108591056A (en) | 2018-09-28 |
Family
ID=63628124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810627053.4A Pending CN108591056A (en) | 2018-06-19 | 2018-06-19 | A kind of solvent recycling dry vacuum unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108591056A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296536A (en) * | 2018-10-08 | 2019-02-01 | 江苏亚太工业泵科技发展有限公司 | A kind of vertically lower vented screw vacuum pump system |
| CN112576505A (en) * | 2020-12-14 | 2021-03-30 | 营口康辉石化有限公司 | Multi-pump-set vacuum control system and control method |
-
2018
- 2018-06-19 CN CN201810627053.4A patent/CN108591056A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296536A (en) * | 2018-10-08 | 2019-02-01 | 江苏亚太工业泵科技发展有限公司 | A kind of vertically lower vented screw vacuum pump system |
| CN112576505A (en) * | 2020-12-14 | 2021-03-30 | 营口康辉石化有限公司 | Multi-pump-set vacuum control system and control method |
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