CN210146581U - Automatic cleaning device for sample liquid pipeline - Google Patents
Automatic cleaning device for sample liquid pipeline Download PDFInfo
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- CN210146581U CN210146581U CN201921006007.9U CN201921006007U CN210146581U CN 210146581 U CN210146581 U CN 210146581U CN 201921006007 U CN201921006007 U CN 201921006007U CN 210146581 U CN210146581 U CN 210146581U
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Abstract
The utility model belongs to the technical field of pipeline cleaning devices, in particular to an automatic pipeline cleaning device; the specific technical scheme is as follows: the utility model provides an automatic cleaning device for appearance liquid pipeline, including a set of electromagnetism valves of cutting off usefulness, two sets of valves that realize positive and negative washing, ultrasonic wave generating device and realization control action's PLC controller, set up a set of solenoid valve for cutting off at easy stifled pipeline both ends, use the switching-over valves of switching-over to realize that the flush fluid is positive and negative to be washed, every switching-over valves of group comprises two electromagnetism trip valves and a check valve, strengthen the washing of pipe wall scale deposit through supersonic generator regular work, the flow signal that combines PLC to detect, full self-cleaning and the detection of pipeline conventional state that easy jam pipeline were realized to the circulating pump running state, the manual work has been solved and has been dismantled the pipeline repeatedly and the automatic clearance problem of sample pipeline has been solved.
Description
Technical Field
The utility model belongs to the technical field of the pipeline cleaning device, concretely relates to pipeline self-cleaning equipment.
Background
In the production process of cold-rolled silicon steel, in order to improve the surface quality of a plate, the surface of the plate needs to be pickled before rolling, and most of the current production lines adopt a hydrochloric acid pickling process; meanwhile, in order to control the pickling effect (not over-pickling and not under-pickling), the acidity of the pickling solution needs to be sampled and detected on line. In the pickling process, a large amount of silicon mud is generated by the chemical reaction of the silicon steel plate and hydrochloric acid, and the silicon mud is deposited and hardened to gradually reduce the drift diameter of a sampling pipeline and a measuring instrument and even block the sampling pipeline and the measuring instrument. At present, the conventional treatment method is that a maintainer detaches a pipeline, and manually dredges, cleans or replaces the blocked pipeline for recovery, so that a detection instrument or equipment is stopped for a long time, and acid liquor is easy to cause damage to a human body in the cleaning process.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that prior art exists, the utility model provides a sample liquid pipeline belt cleaning device who exempts from to dismantle to combine PLC control to realize easily blocking up full-automatic, the online belt cleaning device of pipeline, realize the self-cleaning of pickle sample pipeline, prevent the jam of sample pipeline, improve acidity analysis system's availability ratio, reduced artificial cleaning's intensity of labour and occupational health harm.
The main reasons for the blockage of the sampling tube are silicon mud in the sample liquid and supersaturated ferrous chloride, particularly the silicon mud is insoluble in the acid liquid, suspended and drifted along with the flowing acid liquid and continuously deposited on the inner wall of the sampling tube; in particular, acid liquor stored in a sampling tube is still in definite inspection (generally, the inspection is carried out every week and the time is stopped for 8-12 hours), and the system is easy to block after being restarted; according to actual field experience, plugging occurs mostly in the pipe section of the sampling analyzer.
In the production process of silicon steel, the concentration of the acid liquor is not continuously changed (if no steel coil is left, no chemical reaction exists), the switching is carried out by controlling a cut-off valve during discontinuous stop time, maintenance period or periodicity, and cleaning fluid is introduced into a sampling pipeline for forward and reverse repeated cleaning, so that the deposition of silicon mud can be prevented; in order to improve the cleaning effect of the pipeline and the equipment on the pipeline, an ultrasonic cleaning device can be added at the first end and the second end of the pipeline; a timing control function is realized by utilizing a PLC; introducing a circulating pump operation signal to prevent deposition of suspended matters in static 'dead water'; the pipeline is automatically started and stopped to be flushed and sampled and analyzed according to the flow by utilizing the flow measurement function of the densimeter, and the working state of the pipeline can be preliminarily judged.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an automatic cleaning device for appearance liquid pipeline, includes the sample trunk line, and the one end of sample trunk line even has the circulating pump, and the liquid outlet of circulating pump has connected gradually first manual service valve, first electromagnetism trip valve, first supersound generating device, Y type filter, mass flowmeter, conductivity measurement appearance, second supersound generating device, the manual service valve of second electromagnetism trip valve and second, and the liquid outlet and the acid storage tank of the manual service valve of second are connected.
A liquid return pipeline is connected in parallel between the circulating pump and the first manual maintenance valve and is connected with the acid storage tank, and acid liquid pumped by the circulating pump directly enters the acid storage tank under the condition of cleaning the pipeline.
The cleaning device also comprises a flushing pipeline. Wherein, in the forward flushing line: be equipped with forward flush fluid entry between first electromagnetism trip valve and the first supersound generating device, the first liquid outlet of flushing line in proper order with first electromagnetic directional valve, first check valve, forward flush fluid entry linkage, the one-way flow direction of first check valve is the same with the flow direction of forward flushing line, is equipped with forward flush fluid export between second electromagnetism trip valve and the second supersound generating device, forward flush fluid export in proper order with first electromagnetic directional valve, waste liquid pool connection.
When the sample liquid pipeline is positively flushed, the first electromagnetic cut-off valve, the second electromagnetic directional valve and the second electromagnetic directional valve are all closed, the first electromagnetic directional valve is opened, flushing liquid sequentially passes through the first electromagnetic directional valve, the first check valve, the first ultrasonic generating device, the Y-shaped filter, the mass flow meter, the conductivity measuring instrument, the second ultrasonic generating device and the first electromagnetic directional valve and then enters the waste liquid pool, and positive flushing is completed.
Wherein, in the back flush line: be equipped with the backwash liquid entry between second electromagnetism trip valve and the second supersound generating device, the second liquid outlet of flushing pipe way in proper order with second electromagnetic directional valve, second check valve, backwash liquid entry linkage, the one-way flow direction of second check valve is the same with the flow direction of backwash pipeline, is equipped with the backwash liquid export between first supersound generating device and the Y type filter, the backwash liquid export is connected with second electromagnetism diverter valve, waste liquid pond in proper order.
When a sample liquid pipeline is back-flushed, the first electromagnetic cut-off valve, the second electromagnetic cut-off valve, the first electromagnetic directional valve and the first electromagnetic directional valve are all closed, the second electromagnetic directional valve is opened, and flushing liquid enters the waste liquid pool after sequentially passing through the second electromagnetic directional valve, the second check valve, the second ultrasonic generating device, the conductivity measuring instrument, the Y-shaped filter and the second electromagnetic directional valve, so that back flushing is completed.
Compared with the prior art, the utility model, specifically beneficial effect is embodied in:
firstly, the utility model discloses a liquid flow direction is controlled to the diverter valve, reaches the effect of rinsing repeatedly.
Two, the utility model discloses all install ultrasonic generating device at easy stifled part both ends, use ultrasonic cleaning, can clear up produced silicon mud scale deposit in the measurement process more fast, prevent silicon mud deposit, the sclerosis in the circulating pump stop work time appearance liquid, reduced the pipeline and blockked up probably, increased acidity analytic system's usability.
Thirdly, the utility model discloses use the PLC controller, regularly automatic start/close flushing line realizes the automatic just, reverse self-cleaning of sampling pipe, has improved system availability, has reduced artifical maintenance intensity.
Drawings
Fig. 1 is a schematic diagram of the present invention.
In the figure, 1 is a sampling main pipeline, 2 is a circulating pump, 3 is a first manual maintenance valve, 4 is a first electromagnetic cut-off valve, 5 is a first ultrasonic generating device, 6 is a Y-type filter, 7 is a mass flow meter, 8 is a conductivity measuring instrument, 9 is a second ultrasonic generating device, 10 is a second electromagnetic cut-off valve, 11 is a second manual maintenance valve, 12 is an acid storage tank, 13 is a liquid return pipeline, 14 is a flushing pipeline, 15 is a forward flushing liquid inlet, 16 is a first electromagnetic directional valve, 17 is a first check valve, 18 is a forward flushing liquid outlet, 19 is a first electromagnetic directional valve, 20 is a waste liquid pool, 21 is a reverse flushing liquid inlet, 22 is a second electromagnetic directional valve, 23 is a second check valve, 24 is a reverse flushing liquid outlet, and 25 is a second electromagnetic directional valve.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, an automatic cleaning device for sample liquid pipeline, including sample trunk line 1, there is circulating pump 2 in sample trunk line 1's one end, circulating pump 2's liquid outlet has connected gradually first manual service valve 3, first electromagnetism trip valve 4, first supersound generating device 5, Y type filter 6, mass flow meter 7, conductivity measuring apparatu 8, second supersound generating device 9, second electromagnetism trip valve 10 and the manual service valve 11 of second, the liquid outlet and the acid storage tank 12 of the manual service valve 11 of second are connected, first manual service valve 3, the manual service valve 11 of second is used for manual control.
The cleaning device also comprises a flushing pipe 14. Wherein, in the forward flushing line: be equipped with positive flushing fluid entry 15 between first solenoid shut-off valve 4 and the first supersound generating device 5, the first liquid outlet of flushing line 14 in proper order with first electromagnetic directional valve 16, first check valve 17, positive flushing fluid entry 15 is connected, the one-way flow direction of first check valve 17 is the same with positive flushing line 14's flow direction, be equipped with positive flushing fluid export 18 between second solenoid shut-off valve 10 and the second supersound generating device 9, positive flushing fluid export 18 is connected with first electromagnetic directional valve 19, waste liquid pool 20 in proper order.
Wherein, in the back flush line 14: a reverse flushing liquid inlet 21 is arranged between the second electromagnetic cut-off valve 10 and the second ultrasonic generating device 9, a second liquid outlet of the flushing pipeline 14 is sequentially connected with a second electromagnetic directional valve 22, a second check valve 23 and the reverse flushing liquid inlet 21, the one-way flow direction of the second check valve 23 is the same as the flow direction of the reverse flushing pipeline 14, a reverse flushing liquid outlet 24 is arranged between the first ultrasonic generating device 5 and the Y-type filter 6, and the reverse flushing liquid outlet 24 is sequentially connected with a second electromagnetic switching valve 25 and a waste liquid tank 20.
When the sample liquid pipeline is positively washed: cutting off a sample liquid pipeline, closing the first electromagnetic cut-off valve 4, the second electromagnetic cut-off valve 10, the second electromagnetic directional valve 22 and the second electromagnetic directional valve 25, opening the first electromagnetic directional valve 16, the first check valve 17 and the first electromagnetic directional valve 19, enabling a flushing liquid to sequentially pass through the first electromagnetic directional valve 16, the first check valve 17, the first ultrasonic generating device 5, the Y-shaped filter 6, the mass flowmeter 7, the conductivity measuring instrument 8, the second ultrasonic generating device 9 and the first electromagnetic directional valve 19 and then enter the waste liquid tank 20, and completing forward flushing; when the sample liquid pipeline is cleaned in the forward direction, the PLC controls the first ultrasonic generating device 5 to be started, and the ultrasonic vibrating rod in the first ultrasonic generating device 5 works to clean the sample liquid pipeline.
When the sample liquid pipeline is reversely washed: cutting off a sample liquid pipeline, closing the first electromagnetic cut-off valve 4, the second electromagnetic cut-off valve 10, the first electromagnetic directional valve 16 and the first electromagnetic switching valve 19, opening the second electromagnetic directional valve 22, the second check valve 23 and the second electromagnetic switching valve 25, allowing a flushing liquid to sequentially pass through the second electromagnetic directional valve 22, the second check valve 23, the second ultrasonic generating device 9, the conductivity measuring instrument 8, the Y-shaped filter 6 and the second electromagnetic switching valve 25 and then enter the waste liquid tank 20, and finishing reverse flushing; during reverse cleaning, the PLC controls the start of the second ultrasonic generating device 9, and the ultrasonic vibrating rod in the second ultrasonic generating device 9 works to clean the sample liquid pipeline.
The PLC controller is used for programming timing, periodic and counting control programs, so that the periodic timing forward and backward automatic cleaning of the system is realized.
The running state of the circulating pump 2 is judged through the PLC, when the circulating pump 2 stops, one-time forward and reverse cleaning is immediately started, and the sample liquid pipe is filled with washing liquid during the stopping of the circulating pump 2.
Judging the flow in the sample liquid pipeline through a PLC program, setting a normal flow range, automatically closing a sampling valve when the flow is lower than the lower limit of the flow range, and starting a cleaning mode; automatically exiting the cleaning mode when the upper limit is higher; and reporting the leakage fault when the upper limit is exceeded. When the cleaning reaches the set cleaning online cleaning times or time and the flow rate still cannot reach the normal range, the pipeline fault is prompted.
The foregoing is considered as illustrative and not restrictive of the preferred embodiments of the invention, and any modifications, equivalents and improvements made within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (1)
1. The automatic cleaning device for the sample liquid pipeline is characterized by comprising a sampling main pipeline (1), wherein one end of the sampling main pipeline (1) is connected with a circulating pump (2), a liquid outlet of the circulating pump (2) is sequentially connected with a first manual maintenance valve (3), a first electromagnetic stop valve (4), a first ultrasonic generating device (5), a Y-shaped filter (6), a mass flow meter (7), a conductivity measuring instrument (8), a second ultrasonic generating device (9), a second electromagnetic stop valve (10) and a second manual maintenance valve (11), and a liquid outlet of the second manual maintenance valve (11) is connected with an acid storage tank (12);
a liquid return pipeline (13) is connected in parallel between the circulating pump (2) and the first manual maintenance valve (3), and the liquid return pipeline (13) is connected with the acid storage tank (12);
the ultrasonic cleaning device is characterized by further comprising a flushing pipeline (14), a forward flushing liquid inlet (15) is arranged between the first electromagnetic shut-off valve (4) and the first ultrasonic generating device (5), a first liquid outlet of the flushing pipeline (14) is sequentially connected with the first electromagnetic reversing valve (16), the first check valve (17) and the forward flushing liquid inlet (15), a forward flushing liquid outlet (18) is arranged between the second electromagnetic shut-off valve (10) and the second ultrasonic generating device (9), and the forward flushing liquid outlet (18) is sequentially connected with the first electromagnetic switching valve (19) and the waste liquid tank (20);
be equipped with reverse flushing liquid entry (21) between second electromagnetism trip valve (10) and second supersound generating device (9), the second liquid outlet that washes pipeline (14) is connected with second electromagnetic directional valve (22), second check valve (23), reverse flushing liquid entry (21) in proper order, be equipped with reverse flushing liquid export (24) between first supersound generating device (5) and Y type filter (6), reverse flushing liquid export (24) are connected with second electromagnetism diverter valve (25), waste liquid pond (20) in proper order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921006007.9U CN210146581U (en) | 2019-07-01 | 2019-07-01 | Automatic cleaning device for sample liquid pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921006007.9U CN210146581U (en) | 2019-07-01 | 2019-07-01 | Automatic cleaning device for sample liquid pipeline |
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| CN210146581U true CN210146581U (en) | 2020-03-17 |
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| CN201921006007.9U Active CN210146581U (en) | 2019-07-01 | 2019-07-01 | Automatic cleaning device for sample liquid pipeline |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112684194A (en) * | 2020-12-07 | 2021-04-20 | 山东洁晶集团股份有限公司 | Online detection device and method for viscosity of sodium alginate glue solution |
| WO2022160319A1 (en) * | 2021-01-30 | 2022-08-04 | 华为数字能源技术有限公司 | Filtering system, air-conditioning system, data center, and cleaning method for filtering system |
| CN115041478A (en) * | 2022-05-30 | 2022-09-13 | 西安热工研究院有限公司 | Method and device for chemically cleaning sampling tube |
-
2019
- 2019-07-01 CN CN201921006007.9U patent/CN210146581U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112684194A (en) * | 2020-12-07 | 2021-04-20 | 山东洁晶集团股份有限公司 | Online detection device and method for viscosity of sodium alginate glue solution |
| WO2022160319A1 (en) * | 2021-01-30 | 2022-08-04 | 华为数字能源技术有限公司 | Filtering system, air-conditioning system, data center, and cleaning method for filtering system |
| CN115041478A (en) * | 2022-05-30 | 2022-09-13 | 西安热工研究院有限公司 | Method and device for chemically cleaning sampling tube |
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Address after: No.2, Jiancaoping street, Jiancaoping District, Taiyuan City, Shanxi Province Patentee after: Baoxin software (Shanxi) Co.,Ltd. Address before: No.2, Jiancaoping street, Jiancaoping District, Taiyuan City, Shanxi Province Patentee before: Shanxi Yunshi Taigang Information Automation Technology Co.,Ltd. |