CN113787043A - Control system and method for automatically cleaning and changing water in tobacco peculiar smell treatment water tank - Google Patents
Control system and method for automatically cleaning and changing water in tobacco peculiar smell treatment water tank Download PDFInfo
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- CN113787043A CN113787043A CN202111198514.9A CN202111198514A CN113787043A CN 113787043 A CN113787043 A CN 113787043A CN 202111198514 A CN202111198514 A CN 202111198514A CN 113787043 A CN113787043 A CN 113787043A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 282
- 238000004140 cleaning Methods 0.000 title claims abstract description 83
- 241000208125 Nicotiana Species 0.000 title claims abstract description 44
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 230000001502 supplementing effect Effects 0.000 claims abstract description 16
- 239000010865 sewage Substances 0.000 claims description 37
- 239000000523 sample Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 7
- 230000002349 favourable effect Effects 0.000 description 5
- 238000009776 industrial production Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 241000220317 Rosa Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/14—Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
The invention discloses a control system for automatically cleaning and changing water of a tobacco peculiar smell treatment water tank, which comprises a central control system, a water supplementing system, a cleaning system and a filtering system, wherein the water supplementing system comprises a water supplementing pipeline and a water supplementing valve; the cleaning system comprises a cleaning nozzle, a connecting pipe, a cleaning pipeline, a cleaning water valve and a driving piece; the filtering system comprises a filtering tank, the water tank is communicated with the filtering tank through a circulating water pipe, a circulating water valve, a power unit and a circulating water detection sensor are arranged on the circulating water pipe, and the circulating water detection sensor is arranged at the rear end of the power unit; the water tank is also provided with a pressure transmitter and a pressure sensor, the pressure transmitter is arranged at one end of the pressure sensor, and the circulating water detection sensor, the pressure sensor and the central control system are connected by signals. The control system can effectively improve the reliability and stability and prolong the service life of the peculiar smell treatment material. The control method for automatically cleaning and changing the water in the tobacco peculiar smell treatment water tank also has the advantages of high reliability and stability.
Description
Technical Field
The invention relates to the technical field of tobacco industry production, in particular to a control system and a control method for automatically cleaning and changing water in a tobacco peculiar smell treatment water tank.
Background
The peculiar smell treatment system is an essential system in the tobacco industry production, and is mainly used for treating smoke dust and waste gas discharged in the tobacco production process to ensure no pollution to the environment. In the treatment process, a water circulation system is required for simultaneous treatment, and a water tank is an important unit of the circulation system. However, the peculiar smell treatment system is generally arranged in the open air on the roof of a factory building, after the peculiar smell treatment system is used for a period of time, the water quality becomes dirty, the phenomenon that the floral ring filter box is cleaned by dirty water is caused, and the effect of peculiar smell treatment cannot be achieved like people taking a bath with sewage.
At present, the industry mostly adopts a mode of changing water at regular time, so that waste is extensive, and meanwhile, dirt in a water tank is not treated, so that supplemented water is polluted quickly, and the effect of treating peculiar smell gas cannot be achieved. In addition, the water level in the water tank is detected by adopting a floating ball liquid level switch to detect high, medium and low water levels, the water level value of the water tank cannot be really monitored, and the fault rate is high. Therefore, a new control system and method for automatically cleaning and replacing the water tank for treating the tobacco odor is needed to monitor the water level of the water tank in real time and automatically clean the water tank and replace the circulating water.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and the first invention aims to provide the control system for automatically cleaning and changing water in the tobacco peculiar smell treatment water tank, which can effectively improve the reliability and stability of the tobacco peculiar smell treatment system, prolong the service life of peculiar smell treatment materials in a water circulation system, has extremely high economical efficiency, and is beneficial to popularization and application of the control system for automatically cleaning and changing water in the tobacco peculiar smell treatment water tank in the technical fields of tobacco industrial production and the like. The second invention aims to provide a control method for automatically cleaning and changing water in a tobacco peculiar smell treatment water tank, which has the advantages of effectively improving the reliability and stability of a tobacco peculiar smell treatment system and prolonging the service life of a peculiar smell treatment material in a water circulation system, and is favorable for popularization and application of the control method in the technical fields of tobacco industrial production and the like.
In order to realize the first invention purpose, the invention adopts the following technical scheme that the control system for automatically cleaning and changing the water in the tobacco peculiar smell treatment water tank comprises a central control system; the washing machine also comprises a water supplementing system, a cleaning system and a filtering system, wherein the water supplementing system comprises a water supplementing pipeline and a water supplementing valve; the cleaning system comprises a cleaning nozzle, a connecting pipe, a cleaning pipeline, a cleaning water valve and a driving piece, wherein the cleaning nozzle is arranged at one end of the connecting pipe and is communicated with the cleaning pipeline through the connecting pipe; the filtering system comprises a filtering tank, the filtering tank is arranged above the water tank, the water tank is communicated with the filtering tank through a circulating water pipe, a circulating water valve, a power unit and a circulating water detection sensor are arranged on the circulating water pipe, and the circulating water detection sensor is arranged at the rear end of the power unit; the water tank is also provided with a pressure transmitter and a pressure sensor, the pressure transmitter is arranged at one end of the pressure sensor, and the circulating water detection sensor, the pressure transmitter, the pressure sensor and the central control system are connected by signals.
In a preferred embodiment of the present invention, the probe of the pressure sensor extends to an inner bottom of the water tank.
As a preferable scheme of the invention, the control system further comprises a sewage discharge system, the sewage discharge system comprises a sewage discharge pipeline, the sewage discharge pipeline is connected to the side edge of the water tank and is arranged close to the bottom in the water tank, a sewage discharge valve and a sewage discharge detection sensor are arranged on the sewage discharge pipeline, the sewage discharge valve is arranged between the sewage discharge detection sensor and the water tank, and the sewage discharge detection sensor is in signal connection with the central control system.
As a preferable scheme of the invention, the filter box is a garland filter box.
In a preferred embodiment of the present invention, the connection pipe is a hose.
In a preferred embodiment of the present invention, the power unit is a power pump.
In a preferred embodiment of the present invention, the driving member is a cylinder.
Compared with the prior art, the invention has the beneficial effects that: according to the control system for automatically cleaning and changing the water of the tobacco peculiar smell treatment water tank, the pressure sensor and the circulating water detection sensor are arranged, so that the water level and the water quality can be monitored in real time, when water is polluted, sewage is treated in time, the water tank is cleaned, circulating water is supplemented, the reliability and the stability of the tobacco peculiar smell treatment system can be effectively improved, the service life of a peculiar smell treatment material in a water circulation system is prolonged, the control system has extremely high economical efficiency, and the control system for automatically cleaning and changing the water of the tobacco peculiar smell treatment water tank is favorable for popularization and application in the technical fields of tobacco industrial production and the like.
In order to realize the second invention purpose, the invention adopts the following technical scheme that the control method for automatically cleaning and changing the water in the tobacco peculiar smell treatment water tank comprises the following steps: s1, obtaining a water pressure signal through a pressure sensor, obtaining a water quality signal through a circulating water detection sensor, and sending the water pressure signal and the water quality signal to a central control system; s2, the central control system determines whether to start the water replenishing system or not according to the water pressure signal and determines whether to start the cleaning system or not according to the water quality; s3, presetting a circulating water quality pollution standard value, and when the water quality signal detected by the circulating water detection sensor does not exceed the circulating water quality pollution standard value, the circulating water pipe is normally used; when the water quality signal detected by the circulating water detection sensor exceeds a circulating water quality pollution standard value, replacing the water in the water tank; s4, when water in the water tank is replaced, only the blow-down valve is opened firstly, when the pressure sensor detects that the water is emptied, the cleaning water valve is opened, and the driving piece drives the connecting pipe and the cleaning nozzle to clean the four walls of the water tank; s5, when the sewage discharge detection sensor detects that the water quality reaches the standard, the water tank is clean, the cleaning water valve is closed, and the driving piece retracts; when the pressure sensor detects that the water in the water tank is emptied, the blowdown valve is closed, the water supplementing valve is opened, and when the pressure sensor detects that the water level in the water tank reaches a set value, the water supplementing valve is closed, so that the water tank is automatically cleaned and the water is changed.
As a preferred aspect of the present invention, the closing of the blowoff valve and the opening of the water replenishment valve in S5 are performed simultaneously.
Compared with the prior art, the invention has the beneficial effects that: the control method for automatically cleaning and changing the water in the tobacco peculiar smell treatment water tank has the advantages of effectively improving the reliability and stability of the tobacco peculiar smell treatment system and prolonging the service life of peculiar smell treatment materials in a water circulation system, and is favorable for popularization and application of the control method in the technical fields of tobacco industrial production and the like.
Drawings
FIG. 1 is a schematic diagram of a control system for automatically cleaning and changing water in a tobacco odor treatment water tank according to an embodiment of the present invention.
Reference numerals: 1. a water tank; 2. a drive member; 3. a connecting pipe; 4. cleaning the nozzle; 5. a blowoff valve; 6. a sewage discharge detection sensor; 7. a circulating water valve; 8. a power unit; 9. a circulating water detection sensor; 10. a water replenishing valve; 11. cleaning a water valve; 12. a filter box; 13. a pressure transmitter; 14. a pressure sensor; 15. and a circulating water pipe.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
Example (b): as shown in fig. 1, the control system for automatically cleaning and changing water in the tobacco peculiar smell treatment water tank comprises a central control system; the water replenishing system comprises a water replenishing pipeline and a water replenishing valve 10; the cleaning system comprises a cleaning nozzle 4, a connecting pipe 3, a cleaning pipeline, a cleaning water valve 11 and a driving piece 2, wherein the cleaning nozzle 4 is installed at one end of the connecting pipe 3 and is communicated with the cleaning pipeline through the connecting pipe 3, the cleaning water valve 11 is installed in the cleaning pipeline, the cleaning nozzle 4 is installed on the driving piece 2, and the driving of the cleaning nozzle 4 is realized through the driving piece 2; the filtering system comprises a filtering tank 12, the filtering tank 12 is installed above the water tank 1, the water tank 1 is communicated with the filtering tank 12 through a circulating water pipe 15, a circulating water valve 7, a power unit 8 and a circulating water detection sensor 9 are arranged on the circulating water pipe 15, and the circulating water detection sensor 9 is installed at the rear end of the power unit 8; the water tank 1 is further provided with a pressure transmitter 13 and a pressure sensor 14, the pressure transmitter 13 is installed at one end of the pressure sensor 14, the pressure transmitter 13 transmits the pressure value of the water collected by the pressure sensor 14 to a central control system in a signal transmission mode, the pressure transmitter 13 plays a role in signal conversion in the process, namely, the pressure value of the water collected by the pressure sensor 14 is converted into a signal value which is compatible with the central control system and is clearly identified by the central control system, so that the checking, recording and the like are facilitated, and the circulating water detection sensor 9, the pressure transmitter 13, the pressure sensor 14 and the central control system are in signal connection.
The probe of the pressure sensor 14 extends to the inner bottom of the water tank 1 so as to accurately measure whether the water in the water tank 1 is completely emptied, thereby ensuring the cleanliness in the water tank 1, avoiding the deposition of sewage and further reducing the number of times of cleaning the water tank 1.
Control system still includes sewage disposal system, and above-mentioned sewage disposal system includes sewage pipes, and above-mentioned sewage pipes connects and just is close to the setting of the bottom in above-mentioned water tank 1 side, is equipped with blowoff valve 5 and sewage detection sensor 6 on the above-mentioned sewage pipes, and above-mentioned blowoff valve 5 is installed between above-mentioned sewage detection sensor 6 and above-mentioned water tank 1, adopts signal connection between above-mentioned sewage detection sensor 6 and the above-mentioned central control system.
Specifically, rose box 12 is the rosette rose box, and the rosette rose box structure is ingenious, and the filter effect is good, can effectively guarantee the operation of this system. Above-mentioned connecting pipe 3 sets up to the hose, can guarantee the life of connecting pipe 3 on the one hand, reduces use cost, and on the other hand can make the freely transform of the spray rinsing angle of washing nozzle 4 to further wash water tank 1, make the cleaning task more thorough, improve the cleaning performance. The power unit 8 is a power pump which works stably, can ensure continuous delivery of water quantity, and has no pulsation in flow and pressure in the delivery process, thereby ensuring the application effect of the control system. The driving part 2 is driven by a cylinder, and the cylinder is simple in principle and structure and easy to install and maintain.
The control system that water was traded in tobacco peculiar smell treatment water tank self-cleaning in this embodiment, through setting up pressure sensor 14 and circulating water detection sensor 9, can real-time supervision water level and quality of water, when water pollution, in time handle sewage, wash the water tank, supply the circulating water, can effectively improve tobacco peculiar smell treatment system's reliability and stability, improve the life of peculiar smell processing material among the water circulating system, have very high economic nature, be favorable to the popularization and the application of above-mentioned control system that water was traded in tobacco industry production technical field such as tobacco peculiar smell treatment water tank self-cleaning.
The control method for automatically cleaning and changing water in the tobacco peculiar smell treatment water tank comprises the following steps:
s1, obtaining a water pressure signal through the pressure sensor 14, obtaining a water quality signal through the circulating water detection sensor 9, and sending the water pressure signal and the water quality signal to a central control system;
s2, the central control system determines whether to start the water replenishing system or not according to the water pressure signal and determines whether to start the cleaning system or not according to the water quality;
s3, presetting a circulating water quality pollution standard value, and when the water quality signal detected by the circulating water detection sensor 9 does not exceed the circulating water quality pollution standard value, the circulating water pipe 15 is normally used; when the water quality signal detected by the circulating water detection sensor 9 exceeds a circulating water quality pollution standard value, replacing the water in the water tank 1;
s4, when water in the water tank 1 is replaced, firstly, only the blow-down valve 5 is opened, when the pressure sensor 14 detects that the water is exhausted, the cleaning water valve 11 is opened, and the driving piece 2 drives the connecting pipe 3 and the cleaning nozzle 4 to clean the four walls of the water tank 1;
s5, when the sewage discharge detection sensor 6 detects that the water quality reaches the standard, the water tank 1 is clean, the cleaning water valve 11 is closed, and the driving piece 2 retracts; when the pressure sensor 14 detects that the water in the water tank 1 is emptied, the blow-down valve 5 is closed, the water supplementing valve 10 is opened, and when the pressure sensor 14 detects that the water level in the water tank 1 reaches a set value, the water supplementing valve 10 is closed, so that the automatic cleaning and water changing of the water tank 1 are completed.
To further increase efficiency, closing the blowoff valve 5 in S5 is performed simultaneously with opening the water replenishment valve 10.
The control method for automatically cleaning and changing the water in the tobacco peculiar smell treatment water tank in the embodiment also has the advantages of effectively improving the reliability and stability of the tobacco peculiar smell treatment system and prolonging the service life of peculiar smell treatment materials in the water circulation system, and is favorable for popularization and application of the control method in the technical fields of tobacco industrial production and the like.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: 1. a water tank; 2. a drive member; 3. a connecting pipe; 4. cleaning the nozzle; 5. a blowoff valve; 6. a sewage discharge detection sensor; 7. a circulating water valve; 8. a power unit; 9. a circulating water detection sensor; 10. a water replenishing valve; 11. cleaning a water valve; 12. a filter box; 13. a pressure transmitter; 14. a pressure sensor; 15. water circulation pipes, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to the spirit of the present invention.
Claims (9)
1. The control system for automatically cleaning and changing water in the tobacco peculiar smell treatment water tank comprises a central control system; the device is characterized by also comprising a water supplementing system, a cleaning system and a filtering system, wherein the water supplementing system comprises a water supplementing pipeline and a water supplementing valve (10); the cleaning system comprises a cleaning nozzle (4), a connecting pipe (3), a cleaning pipeline, a cleaning water valve (11) and a driving piece (2), wherein the cleaning nozzle (4) is installed at one end of the connecting pipe (3) and communicated with the cleaning pipeline through the connecting pipe (3), the cleaning water valve (11) is installed on the cleaning pipeline, the cleaning nozzle (4) is installed on the driving piece (2), and the driving of the cleaning nozzle (4) is realized through the driving piece (2); the filtering system comprises a filtering box (12), the filtering box (12) is installed above the water tank (1), the water tank (1) is communicated with the filtering box (12) through a circulating water pipe (15), a circulating water valve (7), a power unit (8) and a circulating water detection sensor (9) are arranged on the circulating water pipe (15), and the circulating water detection sensor (9) is installed at the rear end of the power unit (8); pressure transmitter (13) and pressure sensor (14) are still installed to water tank (1), pressure transmitter (13) install in the one end of pressure sensor (14), circulating water detection sensor (9) pressure transmitter (14) pressure sensor (14) with all adopt signal connection between the central control system.
2. A control system for automatically cleaning and changing water in a tobacco peculiar smell treating water tank as claimed in claim 1, characterized in that a probe of the pressure sensor (14) extends to the inner bottom of the water tank (1).
3. The automatic cleaning and water changing control system of the tobacco odor treatment water tank as claimed in claim 2, further comprising a sewage draining system, wherein the sewage draining system comprises a sewage draining pipeline, the sewage draining pipeline is connected to the side edge of the water tank (1) and is arranged close to the bottom in the water tank (1), a sewage draining valve (5) and a sewage draining detection sensor (6) are arranged on the sewage draining pipeline, the sewage draining valve (5) is arranged between the sewage draining detection sensor (6) and the water tank (1), and the sewage draining detection sensor (6) is in signal connection with the central control system.
4. The control system for automatically cleaning and changing the water in the tobacco peculiar smell treatment water tank is characterized in that the filter tank (12) is a garland filter tank.
5. The control system for automatically cleaning and changing the water in the tobacco peculiar smell treatment water tank is characterized in that the connecting pipe (3) is a hose.
6. The system for controlling automatic cleaning and water changing of the tobacco odor treatment water tank as claimed in claim 1, wherein the power unit (8) is a power pump.
7. The control system for automatically cleaning and changing the water in the tobacco peculiar smell treatment water tank is characterized in that the driving piece (2) is an air cylinder.
8. The control method for automatically cleaning and changing water in the tobacco peculiar smell treatment water tank is characterized by comprising the following steps of: s1, obtaining a water pressure signal through a pressure sensor (14), obtaining a water quality signal through a circulating water detection sensor (9), and sending the water pressure signal and the water quality signal to a central control system; s2, the central control system determines whether to start the water replenishing system or not according to the water pressure signal and determines whether to start the cleaning system or not according to the water quality; s3, presetting a circulating water quality pollution standard value, and when the water quality signal detected by the circulating water detection sensor (9) does not exceed the circulating water quality pollution standard value, normally using the circulating water pipe (15); when the water quality signal detected by the circulating water detection sensor (9) exceeds a circulating water quality pollution standard value, replacing the water in the water tank (1); s4, when water in the water tank (1) is replaced, firstly only the blow-down valve (5) is opened, when the pressure sensor (14) detects that the water is emptied, the cleaning water valve (11) is opened, and the driving piece (2) drives the connecting pipe (3) and the cleaning nozzle (4) to clean the four walls of the water tank (1); s5, when the sewage discharge detection sensor (6) detects that the water quality reaches the standard, the water tank (1) is clean, the cleaning water valve (11) is closed, and the driving piece (2) retracts; when the pressure sensor (14) detects that the water in the water tank (1) is emptied, the drain valve (5) is closed, the water replenishing valve (10) is opened, and when the pressure sensor (14) detects that the water level in the water tank (1) reaches a set value, the water replenishing valve (10) is closed, so that the automatic cleaning and water changing of the water tank (1) are completed.
9. The control system for automatically cleaning and changing the water in the tobacco peculiar smell treatment water tank is characterized in that the closing of the blowdown valve (5) and the opening of the water replenishing valve (10) in S5 are carried out simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111198514.9A CN113787043A (en) | 2021-10-14 | 2021-10-14 | Control system and method for automatically cleaning and changing water in tobacco peculiar smell treatment water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111198514.9A CN113787043A (en) | 2021-10-14 | 2021-10-14 | Control system and method for automatically cleaning and changing water in tobacco peculiar smell treatment water tank |
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| Publication Number | Publication Date |
|---|---|
| CN113787043A true CN113787043A (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111198514.9A Pending CN113787043A (en) | 2021-10-14 | 2021-10-14 | Control system and method for automatically cleaning and changing water in tobacco peculiar smell treatment water tank |
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| CN (1) | CN113787043A (en) |
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| JP2012098011A (en) * | 2010-11-05 | 2012-05-24 | Osakafu Keisatsu Kyokai Osaka Keisatsu Byoin | Cooling tower |
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2021
- 2021-10-14 CN CN202111198514.9A patent/CN113787043A/en active Pending
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Application publication date: 20211214 |
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