CN220110520U - Waste organic solvent circulation flushing system - Google Patents
Waste organic solvent circulation flushing system Download PDFInfo
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- CN220110520U CN220110520U CN202321557323.1U CN202321557323U CN220110520U CN 220110520 U CN220110520 U CN 220110520U CN 202321557323 U CN202321557323 U CN 202321557323U CN 220110520 U CN220110520 U CN 220110520U
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- Prior art keywords
- flushing
- organic solvent
- waste
- waste organic
- flushing water
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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 82
- 239000010888 waste organic solvent Substances 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 102
- 238000001914 filtration Methods 0.000 claims abstract description 44
- 238000010992 reflux Methods 0.000 claims abstract description 20
- 239000010887 waste solvent Substances 0.000 claims abstract description 20
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 238000004064 recycling Methods 0.000 abstract description 4
- 239000002904 solvent Substances 0.000 abstract description 4
- 238000005406 washing Methods 0.000 description 16
- 239000002245 particle Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model relates to the technical field of waste solvent recovery systems, in particular to a waste organic solvent circulating flushing system; including wash water intake pipe and the wash water return circuit pipeline that links to each other with useless solvent recovery unit, wash water intake pipe loops through pipe connection in proper order along wash water inflow direction and has supercharging device, first filter equipment and flush tank, wash water return circuit pipeline loops through pipe connection in proper order along wash water outflow direction and has second filter equipment and reflux unit, flush tank, first filter equipment, supercharging device, useless solvent recovery unit, second filter equipment and reflux unit become a closed loop's circulation system. According to the waste organic solvent circulating flushing system provided by the utility model, the first filtering device, the second filtering device and the reflux device are additionally arranged, so that the flushing water can be recycled and filtered, the continuous supply and the recycling of the flushing water are ensured, and the running cost is reduced.
Description
Technical Field
The utility model relates to the technical field of waste solvent recovery systems, in particular to a waste organic solvent circulating flushing system.
Background
The color change and cleaning of the two-component paint are frequent in the recycling process, the solvent usage amount is large, the curing agent is contained in the cleaned waste solvent, the curing and crystallization are easy, more and more deposition can be caused when the two-component paint is attached to the surface of a pipeline for a long time, and the pipeline is blocked as a final result, so that the system cannot be used.
To prevent the system from clogging, it is common practice to use a high-flow diaphragm pump to flush the inside walls of the pipeline, returning the solidified particles to the transfer drum, and to use an existing waste organic solvent circulation flushing system, such as: the application number is CN202122195877.9, has disclosed the cyclic flushing system of useless solvent, and it is through all setting up pneumatic stop valve and diaphragm pump at every user end, can realize wasing each branch pipe one by one for every user end washing volume is unanimous, and is with low costs, safe and reliable.
However, the above disclosed waste organic solvent circulating flushing system has some disadvantages, such as only having a batch circulating flushing mode for each branch pipe, lacking a filtering device and a reflux device, flushing water is discharged after flushing once, and in the actual use process, after circulating flushing, the flushing water usually needs to be recycled and filtered, and is put into the circulating flushing process again, i.e. the waste organic solvent circulating flushing system cannot continuously collect the particle impurities in the pipeline, cannot realize repeated circulating use, and has high running cost.
To this end, the utility model provides a waste organic solvent recycle rinse system.
Disclosure of Invention
Based on this, it is necessary to provide a waste organic solvent circulation flushing system in view of the above technical problems.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
the waste organic solvent circulating flushing system comprises a flushing water inlet pipeline and a flushing water loop pipeline, wherein the flushing water inlet pipeline and the flushing water loop pipeline are connected with a pressurizing device, a first filtering device and a flushing water tank sequentially through pipelines along the flushing water inflow direction, the flushing water loop pipeline is connected with a second filtering device and a reflux device sequentially through pipelines along the flushing water outflow direction, and the flushing water tank, the first filtering device, the pressurizing device, the waste solvent recovering device, the second filtering device and the reflux device form a closed-loop circulating system.
Specifically, supercharging device includes booster pump and first pressure sensor, the input of booster pump is connected with first filter equipment's output through the pipeline, the output of booster pump is connected with the sparge water inlet pipeline through the pipeline, first pressure sensor installs on the pipeline of being connected between the output of booster pump and the sparge water inlet pipeline.
Specifically, the reflux device is a circulating pump.
Specifically, the first filtering device and the second filtering device are basket filters.
Specifically, every two adjacent devices among the flushing water tank, the first filtering device, the pressurizing device, the waste solvent recycling device, the second filtering device and the reflux device are provided with electric check valves.
Specifically, both ends are equipped with water inlet and outlet respectively about the side of flush tank, water inlet and delivery port department all are equipped with electronic ooff valve, flush tank's side still is equipped with the observation window, flush tank's inside is equipped with quality of water turbidity sensor.
Specifically, the device also comprises a second pressure sensor arranged at the input end and the output end of the first filtering device and a third pressure sensor arranged at the input end and the output end of the second filtering device.
The utility model has the advantages that: according to the waste organic solvent circulating flushing system provided by the utility model, the first filtering device, the second filtering device and the reflux device are additionally arranged, so that the flushing water can be recycled and filtered, the continuous supply and the recycling of the flushing water are ensured, and the running cost is reduced.
Drawings
FIG. 1 is a schematic diagram of a system for circulating and flushing waste organic solvents according to an embodiment of the present utility model.
Reference numerals: a flushing water tank 1, an observation window 2, a water quality turbidity sensor 3, a water inlet 4, a water outlet 5, an electric switch valve 6, an electric check valve 7, a first filtering device 8, a second pressure sensor 9, a booster pump 10, a first pressure sensor 11, a waste solvent recovery device 12, a flushing water inlet pipeline 13, a flushing water loop pipeline 14, a third pressure sensor 15, a second filtering device 16 and a reflux device 17.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail by the following detailed description with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1, the waste organic solvent circulation flushing system comprises a flushing water inlet pipeline 13 and a flushing water loop pipeline 14 which are connected with a waste solvent recovery device 12, wherein the flushing water inlet pipeline 13 is sequentially connected with a pressurizing device, a first filtering device 8 and a flushing water tank 1 through pipelines along the flushing water inflow direction, the flushing water loop pipeline 14 is sequentially connected with a second filtering device 16 and a reflux device 17 through pipelines along the flushing water outflow direction, and the flushing water tank 1, the first filtering device 8, the pressurizing device, the waste solvent recovery device 12, the second filtering device 16 and the reflux device 17 form a closed loop circulation system.
In the embodiment, the flushing water tank 1 is used for storing flushing water required in the process of circulating flushing, and the first filtering device 8 is used for filtering the circulating flushing water flowing to the pressurizing device, so that the circulating flushing water can be prevented from carrying solid particles into the pressurizing device, and the pressurizing device is prevented from being blocked; meanwhile, the flushing water can be prevented from carrying solid particles into the branch pipe in the waste solvent recovery device 12 again, and the solid particles are deposited and attached in the branch pipe continuously, so that the purpose of flushing cannot be achieved; by providing the pressurizing means, the pressure of the washing water flowing into the waste solvent recovery device 12 can be increased to ensure the washing effect; by providing the second filter device 16, the waste solvent recovery device 12 is filtered to wash water carrying a large amount of solid particles, and the wash water is filtered and returned to the wash tank 1 again by the reflux device 17, thereby performing the next cycle of the washing process.
In this embodiment, the pressurizing device includes a pressurizing pump 10 and a first pressure sensor 11, an input end of the pressurizing pump 10 is connected with an output end of the first filtering device 8 through a pipeline, an output end of the pressurizing pump 10 is connected with a flushing water inlet pipeline 13 through a pipeline, and the first pressure sensor 11 is installed on a pipeline connected between the output end of the pressurizing pump 10 and the flushing water inlet pipeline 13.
In the present embodiment, by providing the booster pump 10 for increasing the pressure of the washing water flowing into the inside of the waste solvent recovery device 12, the washing effect is improved; by providing a first pressure sensor 11 on a line connected between the booster pump 10 and the rinse water inlet line 13, for monitoring the pressure signal of the rinse water in real time and transmitting the pressure signal to the controller, and controlling the booster pressure of the booster pump 10 according to the actual pressure threshold.
In addition, the utility model is also provided with a controller and an alarm, wherein the booster pump 10, the first pressure sensor 11, the circulating pump, the electric check valve 7, the electric switch valve 6, the water quality turbidity sensor 3, the second pressure sensor 9 and the alarm are respectively and electrically connected with the controller.
In this embodiment, the reflux device 17 is a circulation pump.
In the present embodiment, by providing the circulation pump, it is convenient to circulate and return the washing water into the washing water tank 1, and it is convenient to realize continuous supply and cyclic utilization of the washing water.
In this embodiment, the first filter device 8 and the second filter device 16 are basket filters.
In the present embodiment, by providing the basket filter, the filtering process of the washing water can be realized; and the nominal diameter of the basket filter is greater than or equal to 40mm, including but not limited to DN40mm, DN50mm, DN65mm, DN80mm, DN100mm, DN125mm, DN150mm, DN200mm, DN250mm, DN300mm, DN350mm, DN400mm, DN450mm, DN500mm, DN600mm, DN700mm, DN800mm, DN900mm, DN1000mm, DN1200mm, etc., but is not limited to the recited values, and other non-recited values within the range of values are equally applicable; the working temperature is-20 ℃ to +250 ℃, and the nominal pressure is PN 1.0-2.5 Mpa.
In this embodiment, an electric check valve 7 is disposed between each adjacent two of the flushing tank 1, the first filtering device 8, the pressurizing device, the waste solvent recovering device 12, the second filtering device 16 and the reflux device 17.
In this embodiment, both ends are equipped with water inlet 4 and outlet 5 respectively about the side of flush tank 1, water inlet 4 and delivery port department all are equipped with electric switch valve 6, the side of flush tank 1 still is equipped with observation window 2, the inside of flush tank 1 is equipped with quality of water turbidity sensor 3.
In the present embodiment, by providing the water inlet 4 and the water outlet 5, water is injected into the flush tank 1 and water in the flush tank 1 is discharged; through setting up quality of water turbidity sensor 3 for the turbidity degree of wash water in the real-time supervision flush tank 1 to with turbidity degree signal transmission to the controller, and according to the turbidity degree threshold value of setting for in advance, the opening and close of electric switch valve 6 on the control outlet 5 and the opening and close of electric switch valve 6 on the water inlet 4.
In this embodiment, the second pressure sensor 9 is also included, which is mounted to the input and output of the first filter device 8, and the third pressure sensor 15 is mounted to the input and output of the second filter device 16.
In the embodiment, by arranging the second pressure sensor 9, the pressure difference value of the two inlet and outlet ends of the first filtering device 8 can be monitored in real time, the pressure difference value is transmitted to the controller, if the pressure difference value is larger than a preset pressure difference threshold value, the controller gives an early warning through an alarm, and an operator is informed of purging, cleaning and overhauling after the blocked first filtering device 8 is detached in time; secondly, by arranging the third pressure sensor 15, the pressure difference between the two ends of the second filter device 16 can be monitored in real time, and the working principle of the second filter device is the same as that of the second pressure sensor 9, so that the second filter device 16 with the blockage can be cleaned in time.
The working principle of the embodiment is as follows: firstly, an electric switch valve 6 on a water inlet 4 is opened to fill water into a flushing water tank 1, and then each electric check valve 7 between every two adjacent devices in the flushing water tank 1, a first filtering device 8, a pressurizing device, a waste solvent recovery device 12, a second filtering device 16 and a reflux device 17 is opened, flushing water flows to the pressurizing device through the first filtering device 8, the pressure of the flushing water flowing into the waste solvent recovery device 12 is increased in the pressurizing device, and then the flushing effect is improved; after the branch pipe inside the waste solvent recovery device 12 is washed by high-pressure washing water, the washing water carrying a large amount of solid particles flows to the second filtering device 16, the second filtering device 16 is used for filtering the washing water carrying a large amount of solid particles after the waste solvent recovery device 12 is washed, and the washing water is filtered and returns to the washing water tank 1 again under the action of the reflux device 17 to carry out the next round of circulating washing process; through setting up quality of water turbidity sensor 3 for the turbidity degree of sparge water in the real-time supervision flush tank 1 to with turbidity degree signal transmission to the controller, and according to the turbidity degree threshold value that sets up in advance, if turbidity degree signal is greater than turbidity degree threshold value, then open electric switch valve 6 on the outlet 5, discharge muddy sparge water, close electric switch valve 6 on the outlet 5 afterwards, open electric switch valve 6 on the water inlet 4, to the water injection in the flush tank 1, and then guarantee continuous supply and cyclic utilization of sparge water.
It will be apparent to those skilled in the art that the various step embodiments of the utility model described above may be performed in ways other than those described herein, including but not limited to simulation methods and experimental apparatus described above. The steps of the utility model described above may in some cases be performed in a different order than that shown or described above, they may be performed separately or. Therefore, the present utility model is not limited to any specific combination of hardware and software.
The foregoing is a further detailed description of the utility model in connection with specific embodiments, and is not intended to limit the practice of the utility model to such descriptions. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.
Claims (7)
1. The waste organic solvent circulating flushing system is characterized by comprising a flushing water inlet pipeline and a flushing water loop pipeline, wherein the flushing water inlet pipeline is connected with a waste solvent recovery device, the flushing water inlet pipeline is sequentially connected with a pressurizing device, a first filtering device and a flushing water tank through pipelines along the flushing water inflow direction, the flushing water loop pipeline is sequentially connected with a second filtering device and a reflux device through pipelines along the flushing water outflow direction, and the flushing water tank, the first filtering device, the pressurizing device, the waste solvent recovery device, the second filtering device and the reflux device form a closed-loop circulating system.
2. The waste organic solvent circulating flushing system of claim 1, wherein the pressurizing means includes a pressurizing pump and a first pressure sensor, an input end of the pressurizing pump is connected with an output end of the first filtering means through a pipe, an output end of the pressurizing pump is connected with a flushing water inlet pipe through a pipe, and the first pressure sensor is installed on a pipe line connected between the output end of the pressurizing pump and the flushing water inlet pipe.
3. The waste organic solvent circulating flushing system of claim 1, wherein the backflow device is a circulating pump.
4. The waste organic solvent circulating flushing system of claim 1, wherein the first and second filter means are basket filters.
5. The waste organic solvent circulating flushing system of claim 1, wherein an electric check valve is provided between each adjacent two of the flushing tank, the first filtering means, the pressurizing means, the waste solvent recovering means, the second filtering means, and the reflux means.
6. The waste organic solvent circulating flushing system of claim 1, wherein the upper end and the lower end of the side surface of the flushing tank are respectively provided with a water inlet and a water outlet, the water inlet and the water outlet are respectively provided with an electric switch valve, the side surface of the flushing tank is also provided with an observation window, and the inside of the flushing tank is provided with a water quality turbidity sensor.
7. The waste organic solvent circulating flushing system of claim 1, further comprising a second pressure sensor mounted to the input and output of the first filtering means and a third pressure sensor mounted to the input and output of the second filtering means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321557323.1U CN220110520U (en) | 2023-06-19 | 2023-06-19 | Waste organic solvent circulation flushing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321557323.1U CN220110520U (en) | 2023-06-19 | 2023-06-19 | Waste organic solvent circulation flushing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220110520U true CN220110520U (en) | 2023-12-01 |
Family
ID=88893953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321557323.1U Active CN220110520U (en) | 2023-06-19 | 2023-06-19 | Waste organic solvent circulation flushing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220110520U (en) |
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2023
- 2023-06-19 CN CN202321557323.1U patent/CN220110520U/en active Active
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