CN219409396U - Automatic control dosing device - Google Patents
Automatic control dosing device Download PDFInfo
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- CN219409396U CN219409396U CN202320214610.6U CN202320214610U CN219409396U CN 219409396 U CN219409396 U CN 219409396U CN 202320214610 U CN202320214610 U CN 202320214610U CN 219409396 U CN219409396 U CN 219409396U
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Abstract
The utility model relates to the field of wastewater treatment, in particular to an automatic control dosing device, which comprises a primary sedimentation reaction tank, a primary sedimentation tank and a medicament barrel, wherein the medicament barrel comprises a polyiron medicament barrel and a liquid alkali medicament barrel, the primary sedimentation reaction tank comprises a polyiron primary sedimentation reaction chamber and a liquid alkali primary sedimentation reaction chamber, the polyiron primary sedimentation reaction chamber is connected with a polyiron pipe valve assembly, the polyiron pipe valve assembly is connected with the polyiron medicament barrel, the liquid alkali primary sedimentation reaction chamber is connected with a liquid alkali pipe valve assembly, the liquid alkali pipe valve assembly is connected with the liquid alkali medicament barrel, and the outlet end of the primary sedimentation reaction tank is connected with the primary sedimentation tank. The device is mainly formed by combining a primary sedimentation reaction tank, a primary sedimentation tank, a medicament barrel, a pipe valve member and the like, and realizes correction, feedback and feedforward throwing control of medicament throwing amount by combining water quality indexes, water outlet flow and other indexes, and can adjust the medicament throwing amount according to the water inflow and water quality indexes of the printing and dyeing wastewater so as to realize the intellectualization and automation of the printing and dyeing wastewater treatment process.
Description
Technical Field
The utility model relates to the field of wastewater treatment, in particular to an automatic control dosing device.
Background
The printing and dyeing wastewater has the characteristics of large water quantity, high organic pollutant content, large alkalinity, large water quality change and the like, belongs to one of industrial wastewater which is difficult to treat, and contains dye, slurry, auxiliary agent, oiling agent, acid and alkali, fiber impurities, sand substances, inorganic salt and the like. The pretreatment of printing and dyeing wastewater generally adopts a chemical method, mainly adopts a coagulating sedimentation method and a coagulating air method, and adopts coagulant mainly comprising aluminum salt or ferric salt.
The chemical agent is an important link in the printing and dyeing wastewater treatment process, and whether the chemical agent is added in a reasonable and scientific dosage is a basis and precondition for reducing the cost of the water treatment process and ensuring the quality of effluent.
In view of the above, the utility model provides an automatic control dosing device applied to the printing and dyeing industry.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides an automatic control dosing device.
In order to solve the technical problems, the following technical scheme is adopted:
the utility model provides an automatic control dosing device, includes preliminary sedimentation reaction tank, preliminary sedimentation tank and medicament bucket, the medicament bucket includes polyiron medicament bucket and liquid alkali medicament bucket, preliminary sedimentation reaction tank includes polyiron preliminary sedimentation reaction chamber and liquid alkali preliminary sedimentation reaction chamber, polyiron preliminary sedimentation reaction chamber is located the entry end of preliminary sedimentation reaction tank, liquid alkali preliminary sedimentation reaction chamber is located the exit end of preliminary sedimentation reaction tank, polyiron preliminary sedimentation reaction chamber is connected with the polyiron pipe valve subassembly, polyiron pipe valve subassembly is connected with polyiron medicament bucket, liquid alkali preliminary sedimentation reaction chamber is connected with liquid alkali pipe valve subassembly, liquid alkali pipe valve subassembly is connected liquid alkali medicament bucket, the exit end of preliminary sedimentation reaction tank is connected the preliminary sedimentation tank.
Further, the iron pipe valve subassembly and the liquid alkali pipe valve subassembly all include electromagnetic flowmeter, diaphragm valve, backpressure valve, ball valve, pulse damper, manometer, relief valve, check valve, diaphragm metering pump and Y type filter, electromagnetic flowmeter's one end is connected just heavy reaction tank, electromagnetic flowmeter's the other end is connected with the diaphragm valve, the diaphragm valve is connected with the backpressure valve, the backpressure valve is connected with the ball valve, the ball valve is connected with pulse damper and check valve respectively, pulse damper is connected with the manometer, the check valve is connected with relief valve and diaphragm metering pump respectively, the relief valve is connected at the top of medicament bucket, the diaphragm metering pump is connected in the bottom of medicament bucket.
Further, the tops of the polyiron medicament barrel and the liquid alkali medicament barrel are respectively provided with a liquid level meter.
Further, an inlet of the primary sedimentation reaction tank is provided with a water inlet pH meter.
Further, the polyiron primary sedimentation reaction chamber and the liquid alkali primary sedimentation reaction chamber are respectively provided with an air stirring device.
Further, a mud scraper is arranged in the primary sedimentation tank.
Further, an outlet end of the primary sedimentation tank is provided with a water outlet pH meter.
Due to the adoption of the technical scheme, the method has the following beneficial effects:
the utility model relates to an automatic control dosing device which is mainly formed by combining a primary sedimentation reaction tank, a primary sedimentation tank, a medicament barrel, a tube valve member and the like, and realizes correction, feedback and feedforward dosing control of medicament input quantity by combining water quality indexes, water outlet flow and other indexes, and can adjust the medicament input quantity according to the water inflow and water quality indexes of printing and dyeing wastewater so as to realize the intellectualization and automation of a printing and dyeing wastewater treatment process.
Drawings
The utility model is further described below with reference to the accompanying drawings:
fig. 1 is a schematic structural view of a self-controlled dosing device according to an embodiment of the present utility model.
1-an electromagnetic flowmeter; 2-diaphragm valve; 3-back pressure valve; 4-ball valve; 5-pulse damper; 6-a pressure gauge; 7-a safety valve; 8-check valve; 9-diaphragm metering pump; a 10-Y filter; 11-a level gauge; 12-a medicament barrel; 13-a water inlet pH meter; 14-a primary sedimentation reaction tank; 15-an air stirring device; 16-a mud scraper; 17-a primary sedimentation tank; 18-effluent pH meter.
Description of the embodiments
The present utility model will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
As shown in fig. 1, an automatic control dosing device comprises a primary sedimentation reaction tank 14, a primary sedimentation tank 17 and a medicament barrel 12, wherein the medicament barrel 12 comprises a polyiron medicament barrel and a liquid alkali medicament barrel, the primary sedimentation reaction tank 14 comprises a polyiron primary sedimentation reaction chamber and a liquid alkali primary sedimentation reaction chamber, the polyiron primary sedimentation reaction chamber is positioned at the inlet end of the primary sedimentation reaction tank 14, the liquid alkali primary sedimentation reaction chamber is positioned at the outlet end of the primary sedimentation reaction tank 14, the polyiron primary sedimentation reaction chamber is connected with a polyiron pipe valve assembly, the polyiron pipe valve assembly is connected with the polyiron medicament barrel, the liquid alkali primary sedimentation reaction chamber is connected with a liquid alkali pipe valve assembly, the liquid alkali pipe valve assembly is connected with the liquid alkali medicament barrel, and the outlet end of the primary sedimentation reaction tank 14 is connected with the primary sedimentation tank 17.
Specifically, the iron-accumulating reagent barrel and the liquid alkali reagent barrel are PE barrels, so that the corrosion resistance is high, and the range of the loadable reagent is wide.
Specifically, when the primary sedimentation reaction tank 14 is used for adding a medicament, the primary sedimentation reaction tank 14 is mixed uniformly and then subjected to coagulation reaction, and then the mixture enters the primary sedimentation tank 17 for sedimentation. In addition, the stirring mode of the reaction tank is aeration stirring.
As a further explanation of this embodiment, the poly-iron pipe valve assembly and the liquid-alkali pipe valve assembly each include an electromagnetic flowmeter 1, a diaphragm valve 2, a back pressure valve 3, a ball valve 4, a pulse damper 5, a pressure gauge 6, a safety valve 7, a check valve 8, a diaphragm metering pump 9 and a Y-type filter 10, one end of the electromagnetic flowmeter 1 is connected with the preliminary sedimentation reaction tank 14, the other end of the electromagnetic flowmeter 1 is connected with the diaphragm valve 2, the diaphragm valve 2 is connected with the back pressure valve 3, the back pressure valve 3 is connected with the ball valve 4, the ball valve 4 is connected with the pulse damper 5 and the check valve 8, the pulse damper 5 is connected with the pressure gauge 6, the check valve 8 is connected with the safety valve 7 and the diaphragm metering pump 9, the safety valve 7 is connected with the top of the medicament barrel 12, and the diaphragm metering pump 9 is connected with the bottom of the medicament barrel 12.
Specifically, the electromagnetic flowmeter 1 is installed at the outlet position of the diaphragm metering pump 9, and is used for displaying the real-time dosage of the medicament of the polyiron or the liquid alkali and accumulating the medicament use amount.
Specifically, the diaphragm valve 2 is used for manually adjusting the dosage of the medicament of the polyiron or the liquid alkali.
Specifically, the back pressure valve 3 is used for keeping a certain constant pressure at the outlet of the diaphragm metering pump 9 when the diaphragm metering pump 9 works, stabilizing the flow of the diaphragm metering pump 9 and preventing the liquid from flowing or siphoning under the action of gravity.
Specifically, the ball valve 4 is used for closing and opening the pipeline, and is convenient to maintain.
Specifically, the pulse damper 5 is used for reducing pulse vibration generated when the diaphragm metering pump 9 discharges media, reducing impact of the pulse on a pipeline and a system, and reducing system management pressure fluctuation when the back pressure valve 3 is matched with the system.
Specifically, the pressure gauge 6 is used for displaying the pressure of the feeding pipeline.
Specifically, the safety valve 7 is used for protecting the system pipeline and the pump from being damaged by overpressure, and the safety valve 7 is opened after overpressure, and the excess pressure flows back into the iron-accumulating medicament barrel and the liquid alkali medicament barrel.
Specifically, the check valve 8 is used for keeping the liquid to be added forward, so as to ensure that the liquid in the pipeline does not flow backwards.
Specifically, the diaphragm metering pump 9 is a mechanical diaphragm metering pump 9, and can be suitable for highly corrosive medicaments and has accurate metering. The flow rate can be adjusted to be 30-100% by using variable frequency control. And adjusting the dosage of the medicament in real time according to the inflow of the printing and dyeing wastewater.
In particular, the Y-filter 10 is used for filtering impurities in the pump inlet line of the diaphragm metering pump 9
As a further explanation of this embodiment, the tops of the iron polymer medicament barrel and the liquid alkali medicament barrel are respectively provided with a liquid level meter 11. The liquid level meter 11 is an ultrasonic liquid level meter 11, is arranged above the medicament barrel 12, can display the medicament liquid level in the barrel in real time, and is used for interlocking the replenishment of the medicament barrel 12.
As a further explanation of this embodiment, the pH score is divided into an inlet pH meter 13 and an outlet pH meter 18, the inlet of the primary sedimentation tank 14 is provided with the inlet pH meter 13, and the outlet end of the primary sedimentation tank 17 is provided with the outlet pH meter 18. The addition of the liquid alkali is controlled according to the inlet pH meter 13, and the addition amount of the liquid alkali is regulated according to the feedback of the outlet pH meter 18.
As a further explanation of this embodiment, the gas stirring device 15 is disposed in the poly-iron primary precipitation reaction chamber and the liquid alkali primary precipitation reaction chamber.
As a further explanation of the present embodiment, the primary sedimentation tank 17 is provided with a sludge scraper 16.
The working principle of the utility model is as follows: the feeding proportion of the polyiron is manually set in the central control system, the required feeding amount of the polyiron is calculated according to the inflow rate of the printing and dyeing wastewater, the polyiron is conveyed through the diaphragm metering pump 9, the electromagnetic flowmeter 1 feeds back in real time, and the instantaneous feeding amount of the polyiron fluctuates along with the inflow rate of the printing and dyeing wastewater. The dosage of the polyiron is accumulated through the numerical value fed back by the electromagnetic flowmeter 1, and the dosage of the medicament per day is calculated.
After the printing and dyeing wastewater enters the primary sedimentation reaction tank 14, the liquid alkali adding amount of the primary sedimentation reaction tank 14 is regulated by the pH value fed back by the water inlet pH meter 13 and the water outlet pH meter 18. When the pH value of the primary sedimentation reaction tank 14 is larger than the pH value of the effluent of the primary sedimentation tank 17, the quick dosing is carried out if the difference value is larger than 1; and when the difference is less than 1, slowly adding medicine. When the pH value of the primary sedimentation reaction tank 14 is close to the pH value of the effluent of the primary sedimentation tank 17, the difference value range is about 0.2, and the dosing is stopped. And when the pH value of the primary sedimentation reaction tank 14 is smaller than the pH value of the effluent of the primary sedimentation tank 17, alarm feedback is performed. The pH value of the desired control is set manually in a central control system. The liquid alkali is fed through a pump according to signals given by a central control system, the fed medicine amount is fed back and accumulated in real time through an electromagnetic flowmeter 1, and the medicine amount and the feeding proportion of each day are calculated.
The liquid level display of the polyiron medicament barrel and the liquid alkali medicament barrel is used for controlling the supply of medicaments. And feeding back a medicament supply signal when the liquid levels of the iron-accumulating medicament barrel and the liquid alkali medicament barrel are not high, alarming when the liquid level is low, and stopping medicament supply when the liquid level is high.
Specific engineering cases: the total amount of wastewater in a certain printing and dyeing mill is 25000t/d, the design water inflow CODcr is less than or equal to 3000mg/L, the SS is less than or equal to 300mg/L, the chromaticity is less than or equal to 300mg/L, and the pre-materialization treatment adopts addition of iron and liquid alkali. In the mode of the original medicament, the polyiron is added according to 2 per mill of the total amount of the wastewater, and the liquid alkali is added according to 1 per mill of the total amount of the wastewater. After the self-control dosing device is used, the polyiron is adjusted according to the inflow real-time flow, and compared with the original dosing mode, the dosage is saved by about 20%. The pH of the liquid caustic soda is adjusted in real time according to the pH of the water inlet and outlet, and the pH is controlled more accurately.
The above is only a specific embodiment of the present utility model, but the technical features of the present utility model are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present utility model to solve the substantially same technical problems and achieve the substantially same technical effects are encompassed within the scope of the present utility model.
Claims (7)
1. An automatic control dosing device, which is characterized in that: including preliminary sedimentation reaction pond, preliminary sedimentation tank and medicament bucket, the medicament bucket includes polyiron medicament bucket and liquid alkali medicament bucket, preliminary sedimentation reaction pond includes polyiron preliminary sedimentation reaction chamber and liquid alkali preliminary sedimentation reaction chamber, polyiron preliminary sedimentation reaction chamber is located the entry end of preliminary sedimentation reaction pond, liquid alkali preliminary sedimentation reaction chamber is located the exit end of preliminary sedimentation reaction pond, polyiron preliminary sedimentation reaction chamber is connected with polyiron pipe valve subassembly, polyiron pipe valve subassembly connects the polyiron medicament bucket, liquid alkali preliminary sedimentation reaction chamber is connected with liquid alkali pipe valve subassembly, liquid alkali pipe valve subassembly connects liquid alkali medicament bucket, the exit end of preliminary sedimentation reaction pond is connected the preliminary sedimentation tank.
2. A self-controlled dosing device as claimed in claim 1 wherein: the device comprises a liquid-alkali tube valve assembly, a liquid-alkali tube valve assembly and a liquid-alkali tube valve assembly, wherein the liquid-alkali tube valve assembly and the liquid-alkali tube valve assembly comprise an electromagnetic flowmeter, a diaphragm valve, a back pressure valve, a ball valve, a pulse damper, a pressure gauge, a safety valve, a check valve, a diaphragm metering pump and a Y-shaped filter, one end of the electromagnetic flowmeter is connected with the primary sedimentation reaction tank, the other end of the electromagnetic flowmeter is connected with the diaphragm valve, the diaphragm valve is connected with the back pressure valve, the back pressure valve is connected with the ball valve, the ball valve is respectively connected with the pulse damper and the check valve, the pulse damper is connected with the pressure gauge, the check valve is respectively connected with the safety valve and the diaphragm metering pump, the safety valve is connected to the top of a medicament barrel, and the diaphragm metering pump is connected to the bottom of the medicament barrel.
3. A self-controlled dosing device as claimed in claim 2 wherein: the tops of the iron polymerization medicament barrel and the liquid alkali medicament barrel are respectively provided with a liquid level meter.
4. A self-controlled dosing device as claimed in claim 1 wherein: the inlet of the primary sedimentation reaction tank is provided with a water inlet pH meter.
5. A self-controlled dosing device as claimed in claim 1 wherein: and the poly-iron primary precipitation reaction chamber and the liquid alkali primary precipitation reaction chamber are respectively provided with an air stirring device.
6. A self-controlled dosing device as claimed in claim 1 wherein: a mud scraper is arranged in the primary sedimentation tank.
7. A self-controlled dosing device as claimed in claim 1 wherein: and an outlet end of the primary sedimentation tank is provided with a water outlet pH meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320214610.6U CN219409396U (en) | 2023-02-15 | 2023-02-15 | Automatic control dosing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320214610.6U CN219409396U (en) | 2023-02-15 | 2023-02-15 | Automatic control dosing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219409396U true CN219409396U (en) | 2023-07-25 |
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ID=87203007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320214610.6U Active CN219409396U (en) | 2023-02-15 | 2023-02-15 | Automatic control dosing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219409396U (en) |
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2023
- 2023-02-15 CN CN202320214610.6U patent/CN219409396U/en active Active
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