CN112079508A - Environment-friendly water-based paint solvent recovery device and process thereof - Google Patents
Environment-friendly water-based paint solvent recovery device and process thereof Download PDFInfo
- Publication number
- CN112079508A CN112079508A CN202010973194.9A CN202010973194A CN112079508A CN 112079508 A CN112079508 A CN 112079508A CN 202010973194 A CN202010973194 A CN 202010973194A CN 112079508 A CN112079508 A CN 112079508A
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- Prior art keywords
- solvent
- guide pipe
- solvent recovery
- ball valve
- liquid
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- 239000002904 solvent Substances 0.000 title claims abstract description 82
- 238000011084 recovery Methods 0.000 title claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000003973 paint Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 239000010887 waste solvent Substances 0.000 claims abstract description 18
- 238000003860 storage Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 230000006837 decompression Effects 0.000 claims abstract description 10
- 238000001802 infusion Methods 0.000 claims description 8
- 239000011229 interlayer Substances 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 2
- 238000004062 sedimentation Methods 0.000 claims 2
- 239000011248 coating agent Substances 0.000 abstract description 11
- 238000000576 coating method Methods 0.000 abstract description 11
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coating Apparatus (AREA)
Abstract
The invention belongs to the technical field of coating application, and particularly discloses an environment-friendly water-based coating solvent recovery device which comprises a settling tank, a first liquid guide pipe, a first liquid conveying pump, a first ball valve, a solvent recovery machine barrel groove, a lower deslagging port ball valve, a heating rod, a first guide pipe, a condenser, a second guide pipe, a solvent storage barrel with a vacuum decompression device, a second liquid guide pipe, a second liquid conveying pump and a second ball valve. The environment-friendly water-based paint solvent recovery device and the process thereof have the beneficial effects that: 1. the treatment of the waste solvent can be carried out uninterruptedly, and the treatment efficiency is greatly improved; 2. the recovery rate reaches more than 98 percent except the solid content; 3. the residual residues after recovery are quickly discharged through the residue discharge port, so that the manual cleaning time is reduced; 4. the whole system has reasonable structural design, high-temperature protection and overpressure protection, and safety and reliability.
Description
Technical Field
The invention belongs to the technical field of coating application, and particularly relates to a device and a process for recovering an environment-friendly water-based coating solvent, which are used for realizing efficient, stable and safe recovery of the environment-friendly water-based coating solvent.
Background
The coating is a viscous liquid prepared by using organic solvent or water, adding or not adding pigment, filler and corresponding auxiliary agent, and is usually mainly resin, oil or emulsion.
In the production and preparation process of the coating, coating waste liquid exists, which contains a large amount of coating solvent, and how to recycle the coating solvent and reduce the production economic cost is a current urgent solution.
Based on the problems, the invention provides a device and a process for recovering an environment-friendly water-based paint solvent.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide an environment-friendly water-based paint solvent recovery device and a process thereof, the whole system is reasonable in design, stable, safe and efficient recovery operation of a solvent in paint waste liquid can be realized, and the economic cost of paint production is reduced.
The technical scheme is as follows: the invention provides an environment-friendly water-based paint solvent recovery device, which comprises a settling tank, a first liquid guide pipe connected with the settling tank, a first liquid conveying pump and a first ball valve which are arranged on the first liquid guide pipe, a solvent recovery machine barrel groove connected with the first liquid guide pipe, a lower slag discharge port ball valve connected with the solvent recovery machine barrel groove, a heating rod arranged in the bottom of the solvent recovery machine barrel groove, a first guide pipe arranged at the upper part of the solvent recovery machine barrel groove, a condenser connected with the first guide pipe, a second guide pipe connected with the condenser, a solvent storage barrel with a vacuum pressure reduction apparatus connected with the second guide pipe, a second liquid guide pipe connected with the solvent storage barrel with the vacuum pressure reduction apparatus, a second liquid conveying pump and a second ball valve which are arranged on the second liquid guide pipe.
According to the technical scheme, the environment-friendly water-based paint solvent recovery device further comprises an explosion-proof ball valve switch which is arranged in the upper part of the solvent recovery machine barrel groove and is positioned below the first guide pipe.
According to the technical scheme, the first infusion pump is an explosion-proof pneumatic diaphragm pump, the first ball valve and the second ball valve are manual ball valves respectively, the solvent recovery machine barrel groove is a heat conduction oil interlayer sealing barrel, and the heating rod is located in the heat conduction oil interlayer sealing barrel.
According to the technical scheme, the solvent recovery machine barrel groove and the solvent storage barrel with the vacuum decompression apparatus are respectively in a volume ratio of 1: 5.
Another aspect of the present invention provides a treatment process for an environmentally friendly water-based paint solvent recovery apparatus, comprising the following steps, step 1, first collecting the waste solvent into a settling tank. And 2, respectively starting a first infusion pump and a first ball valve, and pumping the precipitated waste solvent into a solvent recycling machine barrel groove. And 3, starting the heating rod to heat the waste solvent in the solvent recovery machine barrel groove to evaporate the waste solvent. And 4, the waste solvent evaporated in the solvent recovery machine barrel groove enters a condenser through a first conduit and is condensed into liquid. And 5, the liquid condensed in the condenser enters a solvent storage barrel with a vacuum decompression apparatus through a second conduit. And 6, the recovered clean solvent liquid is intensively discharged and stored through a second liquid guide pipe, a second liquid conveying pump and a second ball valve.
In the technical scheme, the solvent recovery machine barrel groove and the solvent storage barrel with the vacuum decompression device are respectively 60-80L and 300-400L.
Compared with the prior art, the environment-friendly water-based paint solvent recovery device and the process thereof have the beneficial effects that: 1. the treatment of the waste solvent can be carried out uninterruptedly, and the treatment efficiency is greatly improved; 2. the recovery rate reaches more than 98 percent except the solid content; 3. the residual residues after recovery are quickly discharged through the residue discharge port, so that the manual cleaning time is reduced; 4. the whole system has reasonable structural design, high-temperature protection and overpressure protection, and safety and reliability.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus and a process for recovering an environmentally friendly aqueous coating solvent according to the present invention.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
The solvent recovery device for environmental protection water-based paint shown in fig. 1 comprises a precipitation tank 1, a first liquid guide pipe 2 connected with the precipitation tank 1, a first liquid delivery pump 3 and a first ball valve 4 which are arranged on the first liquid guide pipe 2, a solvent recovery machine barrel tank 5 connected with the first liquid guide pipe 2, a lower deslagging port ball valve 6 connected with the solvent recovery machine barrel tank 5, a heating rod 15 arranged in the bottom of the solvent recovery machine barrel tank 5, a first pipe 8 arranged on the upper part of the solvent recovery machine barrel tank 5, a condenser 9 connected with the first pipe 8, a second pipe 10 connected with the condenser 9, a solvent storage barrel 11 with a vacuum pressure reducing device connected with the second pipe 10, a second liquid guide pipe 12 connected with the solvent storage barrel 11 with the vacuum pressure reducing device, and a second liquid delivery pump 13 and a second ball valve 14 arranged on the second liquid guide pipe 12.
Further preferably, the environment-friendly water-based paint solvent recovery device further comprises an explosion-proof ball valve switch 7 which is arranged in the upper part of the solvent recovery machine barrel tank 5 and is positioned below the first conduit 8; the first infusion pump 3 is an explosion-proof pneumatic diaphragm pump, the first ball valve 4 and the second ball valve 14 are manual ball valves respectively, the solvent recovery machine barrel groove 5 is a heat conduction oil interlayer sealing barrel, and the heating rod 15 is positioned in the heat conduction oil interlayer sealing barrel; and the solvent recovery machine barrel groove 5 and the solvent storage barrel 11 with the vacuum decompression apparatus respectively have a volume ratio of 1: 5.
The treatment process of the environment-friendly water-based paint solvent recovery device comprises the following steps of 1, firstly, collecting the waste solvent into a precipitation tank 1. And 2, respectively starting the first infusion pump 3 and the first ball valve 4, and pumping the precipitated waste solvent into a solvent recycling machine barrel groove 5. And step 3, starting the heating rod 15 again to heat the waste solvent in the solvent recovery machine barrel groove 5 so as to evaporate the waste solvent. And 4, the waste solvent evaporated in the solvent recovery machine barrel tank 5 enters a condenser 9 through a first conduit 8 to be condensed into liquid. And 5, the liquid condensed in the condenser 9 enters a solvent storage barrel 11 with a vacuum decompression apparatus through a second conduit 10. And 6, intensively discharging and storing the recovered clean solvent liquid through a second liquid guide pipe 12, a second liquid conveying pump 13 and a second ball valve 14.
Further preferably, the solvent recovery machine barrel tank 5 and the solvent storage barrel 11 with the vacuum pressure reduction device are respectively 60-80L and 300-400L.
The environment-friendly water-based paint solvent recovery device disclosed by the invention can be used for continuously treating the waste solvent, greatly improving the treatment efficiency, removing solid content and reaching more than 98% in the recovery rate, and quickly discharging the residual residues after recovery through the residue discharge port, so that the manual cleaning time is reduced, the structural design of the whole system is reasonable, and the device is safe and reliable in high-temperature protection and overpressure protection.
The invention relates to an environment-friendly water-based paint solvent recovery device, which comprises a settling tank 1, a first infusion pump 3, an explosion-proof ball valve switch 7, a heating rod 15, a condenser 9, a solvent storage barrel 11 with a vacuum decompression device and a second infusion pump 13
Respectively with PLC controller connection and control (do not mark in the PLC controller picture, and for ripe purchase product, this application does not have any technological innovation), and then realize intelligent recovery cycle control.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.
Claims (6)
1. Environmental protection water based paint solvent recovery unit which characterized in that: comprises a sedimentation tank (1), a first liquid guide pipe (2) connected with the sedimentation tank (1), a first liquid delivery pump (3) arranged on the first liquid guide pipe (2), a first ball valve (4), a solvent recovery machine barrel groove (5) connected with the first liquid guide pipe (2), a lower slag discharge ball valve (6) connected with the solvent recovery machine barrel groove (5), a heating rod (15) arranged in the bottom of the solvent recovery machine barrel groove (5), a first guide pipe (8) arranged on the upper part of the solvent recovery machine barrel groove (5), a condenser (9) connected with the first guide pipe (8), a second guide pipe (10) connected with the condenser (9), a solvent storage barrel (11) with a vacuum pressure reducing device connected with the second guide pipe (10), a second liquid guide pipe (12) connected with the solvent storage barrel (11) with the vacuum pressure reducing device, and a second liquid delivery pump (13) arranged on the second liquid guide pipe (12), A second ball valve (14).
2. The apparatus for recycling the solvent of environmental-friendly water-based paint according to claim 1, wherein: the environment-friendly water-based paint solvent recovery device further comprises an explosion-proof ball valve switch (7) which is arranged in the upper part of the solvent recovery machine barrel groove (5) and is positioned below the first guide pipe (8).
3. The apparatus for recycling the solvent of environmental-friendly water-based paint according to claim 1, wherein: the first infusion pump (3) is an explosion-proof pneumatic diaphragm pump, the first ball valve (4) and the second ball valve (14) are manual ball valves respectively, the solvent recovery machine barrel groove (5) is a heat conduction oil interlayer sealing barrel, and the heating rod (15) is located in the heat conduction oil interlayer sealing barrel.
4. The apparatus for recycling the solvent of environmental-friendly water-based paint according to claim 1, wherein: the solvent recovery machine barrel groove (5) and the solvent storage barrel (11) with the vacuum decompression apparatus are respectively in a volume ratio of 1: 5.
5. The process of the solvent recovery device for environmental protection water-based paint according to claim 1 or 2, characterized in that: comprises the following steps of (a) carrying out,
step 1, collecting waste solvent into a precipitation tank (1);
step 2, respectively starting a first infusion pump (3) and a first ball valve (4), and pumping the precipitated waste solvent into a solvent recovery machine barrel groove (5);
step 3, starting the heating rod (15) to heat the waste solvent in the solvent recovery machine barrel groove (5) to evaporate the waste solvent;
step 4, the waste solvent evaporated in the solvent recovery machine barrel groove (5) enters a condenser (9) through a first conduit (8) and is condensed into liquid;
step 5, the condensed liquid in the condenser (9) enters a solvent storage barrel (11) with a vacuum decompression apparatus through a second conduit (10);
and 6, intensively discharging and storing the recovered clean solvent liquid through a second liquid guide pipe (12), a second liquid conveying pump (13) and a second ball valve (14).
6. The apparatus for recycling the solvent of environmental protection water-based paint according to claim 4 or 5, wherein: the solvent recovery machine barrel groove (5) and the solvent storage barrel (11) with the vacuum decompression device are respectively 60-80L and 300-400L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010973194.9A CN112079508A (en) | 2020-09-16 | 2020-09-16 | Environment-friendly water-based paint solvent recovery device and process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010973194.9A CN112079508A (en) | 2020-09-16 | 2020-09-16 | Environment-friendly water-based paint solvent recovery device and process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112079508A true CN112079508A (en) | 2020-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010973194.9A Pending CN112079508A (en) | 2020-09-16 | 2020-09-16 | Environment-friendly water-based paint solvent recovery device and process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112079508A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855161A (en) * | 2021-10-27 | 2021-12-31 | 纯派生活武汉科技有限公司 | Ureter soft endoscope sheath and continuous circulation type perfusion and suction system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102058991A (en) * | 2009-11-13 | 2011-05-18 | 车磊 | Solvent recovery method and device for organic solvent-containing dye and coating waste |
| CN207294471U (en) * | 2017-07-02 | 2018-05-01 | 中山市杰兴环保设备有限公司 | Solvent recovery plant with pressure protection function |
| CN207286718U (en) * | 2017-07-02 | 2018-05-01 | 中山市杰兴环保设备有限公司 | P L C control type solvent recycling machine |
| CN207401245U (en) * | 2017-07-02 | 2018-05-25 | 中山市杰兴环保设备有限公司 | Full-automatic continuous solvent recovery equipment |
| CN207404874U (en) * | 2017-07-02 | 2018-05-25 | 天津中工环能节能环保科技有限公司 | A kind of high pollution waste water is distilled to recover equipment |
| CN207545856U (en) * | 2017-07-02 | 2018-06-29 | 新昌县镜岭镇丰世机械厂 | A kind of high pollution solvent is distilled to recover equipment |
-
2020
- 2020-09-16 CN CN202010973194.9A patent/CN112079508A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102058991A (en) * | 2009-11-13 | 2011-05-18 | 车磊 | Solvent recovery method and device for organic solvent-containing dye and coating waste |
| CN207294471U (en) * | 2017-07-02 | 2018-05-01 | 中山市杰兴环保设备有限公司 | Solvent recovery plant with pressure protection function |
| CN207286718U (en) * | 2017-07-02 | 2018-05-01 | 中山市杰兴环保设备有限公司 | P L C control type solvent recycling machine |
| CN207401245U (en) * | 2017-07-02 | 2018-05-25 | 中山市杰兴环保设备有限公司 | Full-automatic continuous solvent recovery equipment |
| CN207404874U (en) * | 2017-07-02 | 2018-05-25 | 天津中工环能节能环保科技有限公司 | A kind of high pollution waste water is distilled to recover equipment |
| CN207545856U (en) * | 2017-07-02 | 2018-06-29 | 新昌县镜岭镇丰世机械厂 | A kind of high pollution solvent is distilled to recover equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855161A (en) * | 2021-10-27 | 2021-12-31 | 纯派生活武汉科技有限公司 | Ureter soft endoscope sheath and continuous circulation type perfusion and suction system |
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Application publication date: 20201215 |