CN223445315U - A dosing system for precisely controlling the amount of acid and alkali dosing - Google Patents
A dosing system for precisely controlling the amount of acid and alkali dosingInfo
- Publication number
- CN223445315U CN223445315U CN202422652650.6U CN202422652650U CN223445315U CN 223445315 U CN223445315 U CN 223445315U CN 202422652650 U CN202422652650 U CN 202422652650U CN 223445315 U CN223445315 U CN 223445315U
- Authority
- CN
- China
- Prior art keywords
- dosing
- acid
- pipe
- tank
- alkali
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
本实用新型公开了一种精准调控酸碱加药量的加药系统，包括酸碱储罐、高位投加罐、输送管以及第一抽液件，酸碱储罐经由输送管与高位投加罐连通，第一抽液件与输送管连接，其中，高位投加罐的底部连通有至少一用于一级pH调控加药点的第一加药管，以及至少一用于二级pH调控加药点的第二加药管，第一加药管连接有第一手动阀和气动阀，且气动阀位于第一加药管的末端，第二加药管连接有第二手动阀和调节阀，且调节阀位于第二加药管的末端。本实用新型提供的技术方案的有益效果是：解决了现有技术中酸碱药剂稍微投加过量或投加不及时，均会使pH值偏差较大，易对反应絮凝、化学沉淀等后续工序造成不良影响的问题。
The utility model discloses a dosing system for accurately controlling the amount of acid and alkali added, comprising an acid and alkali storage tank, a high-level dosing tank, a delivery pipe, and a first liquid pumping component. The acid and alkali storage tank is connected to the high-level dosing tank via the delivery pipe, and the first liquid pumping component is connected to the delivery pipe, wherein the bottom of the high-level dosing tank is connected to at least one first dosing pipe for a primary pH control dosing point, and at least one second dosing pipe for a secondary pH control dosing point, the first dosing pipe is connected to a first manual valve and a pneumatic valve, and the pneumatic valve is located at the end of the first dosing pipe, the second dosing pipe is connected to a second manual valve and a regulating valve, and the regulating valve is located at the end of the second dosing pipe. The beneficial effect of the technical solution provided by the utility model is that it solves the problem in the prior art that a slight overdose or untimely dosing of acid and alkali reagents will cause a large deviation in pH value, which is likely to have an adverse effect on subsequent processes such as reaction flocculation and chemical precipitation.
Description
Technical Field
The utility model relates to the technical field of dosing systems, in particular to a dosing system capable of accurately regulating and controlling the dosage of acid and alkali.
Background
The industrial wastewater treatment generally needs to add an acid-base reagent to adjust the pH value of the wastewater, and the conventional acid-base dosing system and the regulation method thereof at present are that an acid-base storage tank is arranged outdoors, the acid-base storage tank is lifted to an acid-base solution tank which is arranged in a centralized manner in a dosing room by a pump, and the acid-base solution tank is diluted and then is added to each dosing point by a metering pump. The online pH meter arranged at the dosing point is interlocked with the metering pump, and the start and stop of the metering pump are controlled to control the dosing amount.
The conventional acid-base dosing system and the regulation method thereof have the defects that a certain distance exists between a dosing room and each dosing point, the dosing pipeline is laid overhead to each dosing point by adopting a factory according to the specification, the factory overhead laying pipeline is generally positioned at a high point of the system, when the pH of the dosing point reaches a set value and stops a metering pump in a linkage manner, the medicament in the dosing pipeline at the high point can not stop flowing until the medicament in the dosing pipeline is empty, the excessive dosing of the medicament at the dosing point is easy to cause, when the pH of the dosing point reaches the set value and starts the metering pump in a linkage manner, the medicament can be filled in the empty dosing pipeline first and then can be added to the dosing point, the dosing of the medicament is easy to cause untimely, the pH set value is generally 6-9, and the pH value is about the pH set value, the acid-base medicament is slightly excessively dosed or is untimely to be excessively dosed, the pH value deviation is large, and the subsequent procedures such as reaction flocculation and chemical precipitation are greatly influenced.
Disclosure of utility model
The utility model aims to overcome the defects of the technology, provide a dosing system for accurately regulating and controlling the dosing amount of acid and alkali, and solve the problems that in the prior art, the acid and alkali agents are slightly excessively dosed or are not timely dosed, the deviation of pH value is large, and adverse effects are easily caused on subsequent procedures such as reaction flocculation, chemical precipitation and the like.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
The utility model provides a dosing system for accurately regulating and controlling the dosing amount of acid and alkali, which comprises an acid-alkali storage tank, a high-level dosing tank, a conveying pipe and a first liquid pumping part, wherein the acid-alkali storage tank is communicated with the high-level dosing tank through the conveying pipe, the first liquid pumping part is connected with the conveying pipe, the bottom of the high-level dosing tank is communicated with at least one first dosing pipe for regulating and controlling the first pH value and a second dosing pipe for regulating and controlling the second pH value and controlling the dosing point, the first dosing pipe is connected with a first manual valve and a pneumatic valve, the pneumatic valve is positioned at the tail end of the first dosing pipe, the second dosing pipe is connected with a second manual valve and a regulating valve, and the regulating valve is positioned at the tail end of the second dosing pipe.
In some embodiments, the liquid inlet of the acid-base storage tank is connected with a liquid guide pipe, and the liquid guide pipe is connected with a second liquid pumping piece.
In some embodiments, the high-level dosing tank is connected with a stirring mechanism for stirring the medicament in the high-level dosing tank.
In some embodiments, a liquid level sensor is disposed within the high-level dosing tank.
In some embodiments, the front end of the first manual valve is provided with a first branch pipe communicated with the first dosing pipe, the first branch pipe is provided with a third manual valve, the front end of the second manual valve is provided with a second branch pipe communicated with the second dosing pipe, and the second branch pipe is provided with a fourth manual valve.
In some embodiments, the first and second liquid extraction members are acid and alkali resistant pumps.
In some embodiments, a protection plate is arranged on the periphery of the acid-base storage tank, and a rain-proof shed is arranged on the top of the acid-base storage tank.
In some embodiments, the delivery tube is made via a corrosion resistant tube having a diameter of DN40-DN 50.
In some embodiments, the inner walls of the acid-base storage tank and the high-level dosing tank are both provided with corrosion-resistant layers.
In some embodiments, the volume of the high-head dosing tank is 2-5m 3.
Compared with the prior art, the dosing system capable of accurately regulating the dosing amount of acid and alkali is characterized in that an acid and alkali storage tank is communicated with a high-level dosing tank through a conveying pipe, a first liquid pumping piece is connected with the conveying pipe, the bottom of the high-level dosing tank is communicated with a first dosing pipe for regulating and controlling a dosing point of primary pH and a second dosing pipe for regulating and controlling a dosing point of secondary pH, the first dosing pipe is connected with a first manual valve and a pneumatic valve, the pneumatic valve is positioned at the tail end of the first dosing pipe, the second dosing pipe is connected with a second manual valve and a regulating valve, the regulating valve is positioned at the tail end of the second dosing pipe, and the acid and alkali can be filled into the first dosing pipe and the second dosing pipe under the action of gravity, so that when the pneumatic valve or/and the regulating valve are opened, the agent can be rapidly discharged, the accurate regulation of the dosing amount of acid and alkali can be realized, the pH value in a dosing reaction area is ensured to be within a set range, and the sewage treatment effect is improved.
Drawings
Fig. 1 is a schematic structural diagram of a dosing system for accurately controlling the dosage of acid and alkali according to an embodiment of the present utility model.
Detailed Description
The present utility model will be described in further 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 specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In order to solve the technical problems that in the prior art, the acid and alkali medicaments are slightly excessively added or are not timely added, the pH value deviation is large, and adverse effects are easily caused on subsequent processes such as reaction flocculation, chemical precipitation and the like, the utility model provides a medicament adding system for accurately regulating and controlling the acid and alkali medicament adding amount, which can realize the accurate regulation and control of the acid and alkali medicament adding amount, ensure that the pH value in a medicament adding reaction area is within a set range, and improve the purification effect of sewage.
Referring to fig. 1, fig. 1 is a dosing system for accurately adjusting the dosage of acid and alkali according to an embodiment of the present utility model, which includes an acid and alkali storage tank 1, a high-level dosing tank 2, a delivery pipe 3 and a first liquid pumping member 4, wherein the acid and alkali storage tank 1 is communicated with the high-level dosing tank 2 via the delivery pipe 3, the first liquid pumping member 4 is connected with the delivery pipe 3, wherein at least one first dosing pipe 21 for adjusting the first-level pH of the dosing tank 2 and at least one second dosing pipe 22 for adjusting the second-level pH of the dosing point are communicated at the bottom of the high-level dosing tank 2, the first dosing pipe 21 is connected with a first manual valve 211 and a pneumatic valve 212, the pneumatic valve 212 is located at the end of the first dosing pipe 21, the second dosing pipe 22 is connected with a second manual valve 221 and an adjusting valve 222, and the adjusting valve 222 is located at the end of the second dosing pipe 22.
It should be noted that, in order to facilitate the transportation of the acid-base agent in the acid-base tank truck to the acid-base storage tank 1, in this embodiment, the liquid inlet of the acid-base storage tank 1 is connected with a liquid guiding tube, and the liquid guiding tube is connected with a second liquid pumping member 5, and the acid-base agent in the acid-base tank truck is pumped into the acid-base storage tank 1 through the second liquid pumping member 5.
In particular, the first and second liquid-extracting members 4 and 5 are acid-base resistant pumps, which are specially designed for delivering corrosive liquids, such as acids, bases, and other corrosive chemicals. Pumps of this type are typically manufactured from special materials to ensure that they are not eroded or damaged when in contact with corrosive media.
In one embodiment, a protection plate is arranged on the periphery of the acid-base storage tank 1, specifically, the protection plate can meet the condition that acid-base does not overflow when the acid-base is leaked to the maximum extent in one-time accident, and in addition, a rain-proof shed is arranged at the top of the acid-base storage tank 1.
On the basis of the scheme, in order to ensure that the acid and alkali medicaments in the high-level dosing tank 2 are uniformly mixed, specifically, the high-level dosing tank 2 is connected with a stirring mechanism 6, and the medicaments in the high-level dosing tank 2 can be stirred through the stirring mechanism 6.
It should be noted that, the medicament in the high-level dosing tank 2 flows to the dosing point from the first dosing tube 21 and/or the second dosing tube 22 under the action of gravity, wherein the volume of the high-level dosing tank 2 is 2-5m 3, in this specific embodiment, the volume of the high-level dosing tank 2 is 5m 3, and in addition, the inner walls of the acid-base storage tank and the high-level dosing tank are both provided with corrosion-resistant layers.
In addition, a liquid level sensor 7 is arranged in the high-level adding tank 2, acid-base medicaments in the high-level adding tank 2 can be monitored through the liquid level sensor 7, when the acid-base medicaments in the high-level adding tank 2 are 0.2m away from the inner bottom of the high-level adding tank 2, the acid-base medicaments in the acid-base storage tank 1 are started to be pumped into the high-level adding tank 2 through the first liquid pumping piece 4, and when the acid-base medicaments in the high-level adding tank 2 are 0.3m away from the inner top of the high-level adding tank 2, the first liquid pumping piece 4 stops working.
It should be noted that, the pipe diameters of the first dosing pipe and the second dosing pipe are generally smaller, the flow rate of the medicament is lower, and impurities in the medicament can be deposited in the first dosing pipe and the second dosing pipe to cause blockage after the medicament is operated for a period of time. Maintenance is required on a regular basis.
On the basis of the above scheme, the front end of the first manual valve 211 is provided with a first branch pipe 213 communicated with the first dosing pipe 21, the first branch pipe 213 is provided with a third manual valve 214, the front end of the second manual valve 221 is provided with a second branch pipe 223 communicated with the second dosing pipe 22, and the second branch pipe 223 is provided with a fourth manual valve 224.
Specifically, the first manual valve 211 is closed and the third manual valve 214 is opened for dosing during maintenance of the first dosing tube 21, and the fourth manual valve 224 is opened by closing the second manual valve 221 during maintenance of the second dosing tube 22.
In order to avoid corrosion of the pipelines in the drug adding system, in particular, the liquid guide pipe, the first drug adding pipe, the second drug adding pipe, the first branch pipe 213, the second branch pipe 223 and the conveying pipe 3 are all made of corrosion-resistant pipes, wherein the conveying pipe 3 is made of corrosion-resistant pipes with the diameters of DN40-DN50, the diameter of the conveying pipe 3 is larger, the flow velocity of the acid-base medicament in the conveying pipe 3 can reach 0.6-1.5m/s, and the problem that the conveying pipe is blocked by medicament impurity precipitation can be effectively avoided.
For a better understanding of the present utility model, the following detailed description of the technical solution of the present utility model is provided with reference to fig. 1:
The high-level dosing tank 2 is arranged in the middle of a region where acid and alkali dosing points are concentrated, the distance from the high-level dosing tank to each dosing point is guaranteed to be short, the pneumatic valve or the regulating valve is controlled by the online instrument of the pH of the dosing point in a linkage manner, when the first dosing pipe 21 is used for controlling the dosing point by the primary pH, the pneumatic valve is controlled by the online instrument of the pH of the dosing point in a linkage manner to start or stop, the acid and alkali dosing amount is regulated, and when the second dosing pipe is used for controlling the dosing point by the secondary pH, the opening of the regulating valve is controlled by the online instrument of the pH of the dosing point in a linkage manner, and the acid and alkali dosing amount is regulated linearly and accurately.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.
Claims (10)
1. The utility model provides an accurate regulation and control acid-base adds dosing system of dose, includes acid-base storage tank, high-order throwing jar, conveyer pipe and first drawing liquid spare, its characterized in that, the acid-base storage tank is via the conveyer pipe with high-order throwing jar intercommunication, first drawing liquid spare with the conveyer pipe is connected, wherein, the bottom intercommunication of high-order throwing jar has at least one first dosing pipe that is used for the first class pH regulation and control dosing point to and at least one second dosing pipe that is used for the second class pH regulation and control dosing point, first dosing pipe is connected with first manual valve and pneumatic valve, just pneumatic valve is located the end of first dosing pipe, second dosing pipe is connected with second manual valve and governing valve, just the governing valve is located the end of second dosing pipe.
2. The dosing system for accurately regulating the dosing amount of acid and alkali according to claim 1, wherein the liquid inlet of the acid and alkali storage tank is connected with a liquid guide tube, and the liquid guide tube is connected with a second liquid pumping piece.
3. The dosing system for accurately regulating the dosage of acid and alkali according to claim 1, wherein the high-level dosing tank is connected with a stirring mechanism, and the stirring mechanism is used for stirring the medicament in the high-level dosing tank.
4. A dosing system for accurately regulating the dosage of acid and alkali according to any one of claims 1-3, wherein a liquid level sensor is arranged in the high-level dosing tank.
5. The dosing system for accurately regulating the dosing amount of acid and alkali according to claim 1, wherein a first branch pipe communicated with a first dosing pipe is arranged at the front end of the first manual valve, a third manual valve is arranged on the first branch pipe, a second branch pipe communicated with a second dosing pipe is arranged at the front end of the second manual valve, and a fourth manual valve is arranged on the second branch pipe.
6. The dosing system for accurately regulating the dosing amount of acid and alkali according to claim 2, wherein the first liquid pumping part and the second liquid pumping part are acid and alkali resistant pumps.
7. The dosing system for accurately regulating and controlling the dosing amount of acid and alkali according to claim 1, wherein a protection plate is arranged on the periphery of the acid-base storage tank, and a rain-proof shed is arranged on the top of the acid-base storage tank.
8. The dosing system for accurately regulating the dosing of acids and bases according to claim 1, wherein said delivery tube is made from a corrosion resistant tube having a diameter of DN40-DN 50.
9. The dosing system for accurately regulating and controlling the dosage of acid and alkali according to claim 1, wherein the inner walls of the acid-base storage tank and the high-level dosing tank are provided with corrosion-resistant layers.
10. The dosing system for accurately regulating and controlling the dosage of acid and alkali according to claim 1, wherein the volume of the high-level dosing tank is 2-5m 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422652650.6U CN223445315U (en) | 2024-10-31 | 2024-10-31 | A dosing system for precisely controlling the amount of acid and alkali dosing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422652650.6U CN223445315U (en) | 2024-10-31 | 2024-10-31 | A dosing system for precisely controlling the amount of acid and alkali dosing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223445315U true CN223445315U (en) | 2025-10-17 |
Family
ID=97342804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422652650.6U Active CN223445315U (en) | 2024-10-31 | 2024-10-31 | A dosing system for precisely controlling the amount of acid and alkali dosing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223445315U (en) |
-
2024
- 2024-10-31 CN CN202422652650.6U patent/CN223445315U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN223445315U (en) | A dosing system for precisely controlling the amount of acid and alkali dosing | |
| CN206121534U (en) | Automatic dispensing device of control | |
| CN105478025B (en) | A jet stirring dosing device | |
| CN111420571A (en) | Automatic online diluting device of medicament | |
| CN218539337U (en) | Fluid infusion case with emergent fluid infusion function | |
| CN208711613U (en) | A kind of accurate dispensation apparatus | |
| CN105652849A (en) | Time-shared agent feeding control pipeline for wastewater treatment | |
| CN218810498U (en) | Automatic chemical dosing device for sewage treatment plant | |
| CN221854840U (en) | Online automatic medicine supplementing device | |
| CN115872467A (en) | Fluid infusion case with emergent fluid infusion function | |
| CN205953624U (en) | Feeder apparatus is thrown in chemistry dephosphorization | |
| CN116354483A (en) | A system and method for industrial wastewater treatment | |
| CN211367089U (en) | Novel buffer tank for concentrated sulfuric acid | |
| CN107352600A (en) | Automatic feeding device | |
| CN223276224U (en) | Pneumatic acid adding device | |
| CN205616655U (en) | Industry recirculating cooling water system automatic reagent feeding waste fitting discharging | |
| CN114455649A (en) | Intelligent accurate dosing device and using method thereof | |
| CN202592541U (en) | Concrete additive solution storage device | |
| CN221117128U (en) | Improved system of polymeric ferric sulfate dosing pipeline | |
| CN207774878U (en) | A kind of biological flocculant medicine outlet device of automatic speed regulation | |
| CN222250220U (en) | Intelligent medicine adding device | |
| CN223409485U (en) | A sewage treatment plant dosing pipeline system | |
| CN219409396U (en) | Automatic control dosing device | |
| CN205563252U (en) | Waste water treatment adds medicine application pipeline | |
| CN221988292U (en) | An automatic dosing device for a thickener in a coal preparation plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |