Chromium-containing wastewater PH online detection suction system
By introducing a pH detection tank, a buffer tank, and a multi-effect tank into the chromium-containing wastewater system, combined with a pH adjustment system, real-time online detection and dynamic adjustment of chromium-containing wastewater were achieved, solving the problems of detection lag and pH control, and ensuring wastewater quality.
Patent Information
- Application Number
- CN202422964478.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing pH testing equipment for chromium-containing wastewater requires manual sampling and testing, which increases the workload of employees and makes it difficult to control the pH value in real time, resulting in testing delays and the outflow of substandard liquid.
Design an online pH detection and suction system for chromium-containing wastewater, including a pH detection tank and a buffer tank, connected by an overflow pipeline to increase detection time. The system also includes a multi-effect tank and a pH adjustment system, utilizing an online pH detector and acid/alkali tanks to adjust the pH value, achieving online detection and dynamic adjustment.
This solves the problem of detection lag, enabling real-time online detection and dynamic adjustment of wastewater pH, preventing the outflow of substandard liquid, and ensuring that the pH value is gradually adjusted to the qualified level.
Smart Images
Figure CN223692088U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a wastewater treatment technical field, specifically a chromium-containing wastewater PH on -line detection suction system. BACKGROUND
[0002] Metal manganese is mainly used for producing high temperature alloy, stainless steel, nonferrous alloy and low carbon high strength steel additive, deoxidizer and desulfurizer, wherein most of them are used for producing aluminum manganese alloy, stainless steel and stainless steel welding rod etc., metal manganese as an important metallurgical and chemical raw material has made great contribution to the rapid development of our country's industry, and the pure manganese is mainly obtained at home through electrolytic method, and more than 95% of electrolytic manganese enterprises use manganese carbonate ore as raw material, adopt acid leaching and complex salt electrolysis process to produce manganese, due to the limitation of the production process of electrolytic manganese, more manganese-containing wastewater is generated in the production process of electrolytic manganese, and the main pollution sources are passivation wastewater, plate washing wastewater, workshop floor flushing wastewater, filter cloth cleaning wastewater, plate frame cleaning wastewater, tank cleaning wastewater, residue reservoir percolate, factory surface runoff and electrolytic cell cooling water etc.
[0003] The chromium-containing wastewater suction pipeline does not have a PH detection device, so that the operator needs to take a sample every half an hour, take it to the laboratory for sample measurement, which increases the workload of the staff and the PH value of the produced water is not easy to control, through technical improvement, the application can realize on-line detection, and the problem can be solved, and the application is proposed. UTILITARY MODEL CONTENT
[0004] The utility model aims at providing a chromium-containing wastewater PH on-line detection suction system to solve the problems in the above background technology.
[0005] In order to achieve the above object, the utility model provides the following technical scheme:
[0006] The chromium-containing wastewater PH on-line detection suction system comprises a pool body, a chromium-containing wastewater pipeline and a control end, a PH detection tank and a buffer tank are arranged between the pool body and the chromium-containing wastewater pipeline, the PH detection tank and the buffer tank are communicated through an overflow pipeline, a PH on-line detector a for detecting the PH value of wastewater is arranged in the PH detection tank, the PH on-line detector a is connected with a qualified liquid pipeline and an adjusting pipeline through a three-way valve, the qualified liquid pipeline sends qualified liquid to the next process, and the adjusting pipeline sends unqualified liquid into the pool body for treatment.
[0007] As a further scheme of the utility model: it further comprises a PH value adjusting system;
[0008] The PH value adjusting system comprises an acid / alkali liquid tank, and the acid / alkali liquid tank is respectively provided with a dosing pump, and the dosing pump sends adjusting agent to the pool body through an adding agent pipeline.
[0009] As a further scheme of the utility model: the inside of the pool body is provided with a one-effect pool, a two-effect pool and a three-effect pool through separation, the one-effect pool and the two-effect pool are communicated through a communicating pipe, the two-effect pool and the three-effect pool are communicated through a suction pipe, the suction pipe is provided with a suction pump, and the wastewater at the bottom of the two-effect pool is sucked to the three-effect pool through the suction pump.
[0010] As a further scheme of the utility model: the one-effect pool, the two-effect pool and the three-effect pool are all provided with a PH on-line detector b, and the PH on-line detector b is connected with a control end electric signal.
[0011] As a further scheme of the utility model: the bottom of the one-effect pool and the two-effect pool is further provided with a circulating pipeline, a circulating pump is arranged on the circulating pipeline, and the wastewater in the two-effect pool is circulated back to the one-effect pool through the circulating pipeline.
[0012] As a further scheme of the utility model: the bottom of the three-effect pool is communicated with a qualified liquid pipeline through an output pipeline, and a one-way valve and a liquid pump are arranged on the qualified liquid pipeline.
[0013] As a further scheme of the utility model: the agent pipeline respectively delivers acid / alkali liquid to the one-effect pool, the two-effect pool and the three-effect pool through distribution pipelines, and each distribution pipeline is provided with a flow control valve controlled by the distribution pipeline.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] The chromium-containing wastewater PH on-line detection suction system temporarily stores the wastewater for detecting the PH value through the increase of the PH detection tank and the buffer tank, leaves enough detection time, solves the detection hysteresis problem of the PH on-line detector, simultaneously prevents the PH value from being adjusted to qualified liquid step by step through multi-effect adjustment of the PH value, and avoids the outflow of the wastewater exceeding the standard. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structure schematic view of a chromium-containing wastewater PH on-line detection suction system.
[0017] In the drawing: 1, pool body; 2, chromium-containing wastewater pipeline; 3, PH detection tank; 4, overflow pipeline; 5, buffer tank; 6, PH on-line detector a; 7, control end; 8, communicating pipe; 9, agent pipeline; 10, flow control valve; 11, acid / alkali liquid tank; 12, dosing pump; 13, PH on-line detector b; 14, suction pipe; 15, circulating pipeline; 16, three-way valve; 17, output pipeline; 18, one-way valve. DETAILED DESCRIPTION
[0018] Please refer to Figure 1The utility model discloses a chromium -containing wastewater PH on -line detection suction system, including pool body 1, chromium -containing wastewater pipeline 2 and control end 7, be provided with PH detection jar 3 and buffer jar 5 between pool body 1 and chromium -containing wastewater pipeline 2, PH detection jar 3 and buffer jar 5 are communicated through overflow pipeline 4 between, be provided with the PH on -line detection instrument a 6 for detecting wastewater PH in PH detection jar 3, the PH on -line detection instrument a 6 is connected eligible liquid pipeline and adjusting pipeline through three -way valve 16, and eligible liquid pipeline sends eligible liquid to next process, and adjusting pipeline sends unqualified liquid into pool body 1 and processes, and the PH on -line detection instrument a 6 is prior art, can on -line detect PH, and there is a key problem in on -line detection wastewater, and wastewater is transported through pipeline, although the PH on -line detection instrument a 6 can detect its value quickly, but still exist hysteresis, lead to valve switching and pipeline switching not in time, lead to unqualified liquid flow, in order to solve this technical problem, the application is through increasing PH detection jar 3 and buffer jar 5, and PH detection jar 3 is used for the PH value detection of wastewater, and through the overflow mode into buffer jar 5, and leave enough wastewater flow time, and eligible liquid is exported through eligible liquid pipeline, and the wastewater needing adjustment is sent into pool body 1 through three -way valve 16, after the PH on -line detection instrument a 6 detects that wastewater PH value is overproof, just switch wastewater transport route through three -way valve 16, can effectively solve the detection hysteresis of the PH on -line detection instrument a 6.
[0019] In a preferred embodiment, further comprising a PH value adjusting system;
[0020] The PH value adjusting system comprises an acid / alkali liquid tank 11, which is respectively provided with a dosing pump 12.
[0021] In a preferred embodiment, the inside of the pool body 1 is provided with a one-effect pool, a two-effect pool and a three-effect pool by separation, the one-effect pool and the two-effect pool are communicated through a communication pipe 8, the two-effect pool and the three-effect pool are communicated through a suction pipe 14, and the suction pipe 14 is provided with a suction pump, which is used to suck the wastewater at the bottom of the two-effect pool to the three-effect pool. After the acid / alkali liquid is added, a certain time is needed for neutralization reaction, so it is difficult to completely achieve the neutralization effect by adding the acid / alkali liquid once. The wastewater is subjected to first-time additive neutralization in the one-effect pool, and then overflows into the two-effect pool after the first-time additive neutralization, and is subjected to second-time additive neutralization in the two-effect pool. The additive neutralization amount in the two-effect pool is small, which is more accurate and improves the control of the PH value.
[0022] In a preferred embodiment, the PH on-line detector b13 is arranged in the first-stage pool, the second-stage pool and the third-stage pool, and is electrically connected with the control terminal 7, and the PH on-line detector b13 detects the PH value of the wastewater in the first-stage pool, the second-stage pool and the third-stage pool, and adjusts the acid / alkali liquid in real time.
[0023] In a preferred embodiment, the bottom of the first-stage pool and the second-stage pool is further provided with a circulating pipeline 15, and the circulating pipeline 15 is provided with a circulating pump, and the wastewater in the second-stage pool is circulated back to the first-stage pool through the circulating pipeline 15, and the PH value of the wastewater in the second-stage pool is set as an interval value, and when the PH value is higher than the interval value, the wastewater is sent back to the first-stage pool through the circulating pipeline 15.
[0024] In a preferred embodiment, the bottom of the third-stage pool is communicated with the qualified liquid pipeline through an output pipeline 17, and the qualified liquid pipeline is provided with a one-way valve 18 and a liquid pump, and the main function of the third-stage pool is to detect, temporarily store and buffer the wastewater, and the wastewater is sent into the third-stage pool after being adjusted in the second-stage pool, and at this time, the PH value of the wastewater is close to the qualified liquid after being preliminarily adjusted twice and accurately adjusted, and the wastewater is detected by the PH on-line detector b13 for the last time, and the wastewater in the third-stage pool is static, and if the PH value does not reach the standard, the wastewater is continuously adjusted until the PH value reaches the standard, and the qualified liquid is sent back to the qualified liquid pipeline through the output pipeline 17 and is recycled.
[0025] In a preferred embodiment, the agent pipeline 9 sends the acid / alkali liquid to the first-stage pool, the second-stage pool and the third-stage pool through the distribution pipelines respectively, and each distribution pipeline is provided with a flow control valve 10 controlled by the distribution pipeline.
[0026] It should be noted that the above embodiments all belong to the same utility model concept, and the description of each embodiment has different focuses, and the description not described in detail in the individual embodiments can be referred to the description in other embodiments.
[0027] The above-described embodiments only express the implementation of the utility model, and the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent range. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.
Claims
1. A chromium-containing wastewater PH on-line detection suction system, comprising a pool body (1), a chromium-containing wastewater pipeline (2) and a control end (7), characterized in that, The pool body (1) and the chromium-containing wastewater pipeline (2) are provided with a PH detection tank (3) and a buffer tank (5), the PH detection tank (3) and the buffer tank (5) are communicated through an overflow pipeline (4), the PH detection tank (3) is provided with a PH online detector a (6) for detecting the PH value of the wastewater, the PH online detector a (6) is connected with a qualified liquid pipeline and an adjusting pipeline through a three-way valve (16), the qualified liquid pipeline sends qualified liquid to the next process, and the adjusting pipeline sends unqualified liquid into the pool body (1) for treatment.
2. The chromium-containing wastewater PH online detection suction system according to claim 1, wherein, Further comprising a PH value adjusting system; The PH value adjusting system comprises an acid / alkali liquid tank (11), the acid / alkali liquid tank (11) is respectively provided with a dosing pump (12), and the dosing pump (12) delivers an adjusting agent to the pool body (1) through an adding pipeline (9).
3. The chromium-containing wastewater PH on-line detection suction system according to claim 2, characterized in that, The inside of the pool body (1) is provided with a one-effect pool, a two-effect pool and a three-effect pool through separation, the one-effect pool and the two-effect pool are communicated through a communication pipe (8), the two-effect pool and the three-effect pool are communicated through a suction pipe (14), the suction pipe (14) is provided with a suction pump, and the wastewater at the bottom of the two-effect pool is pumped to the three-effect pool through the suction pump.
4. The chromium-containing wastewater PH online detection suction system according to claim 3, characterized in that, The one-effect pool, the two-effect pool and the three-effect pool are all provided with a PH online detector b (13), and the PH online detector b (13) is electrically connected with a control end (7).
5. The chromium-containing wastewater PH online detection suction system according to claim 4, characterized in that, The bottom of the one-effect pool and the two-effect pool is further provided with a circulating pipeline (15), the circulating pipeline (15) is provided with a circulating pump, and the wastewater in the two-effect pool is circulated back to the one-effect pool through the circulating pipeline (15).
6. The chromium-containing wastewater PH on-line detection suction system according to claim 3, characterized in that, The bottom of the three-effect pool is communicated with a qualified liquid pipeline through an output pipeline (17), and the qualified liquid pipeline is provided with a one-way valve (18) and a liquid pump.
7. The chromium-containing wastewater PH on-line detection suction system according to claim 3, characterized in that, The adding pipeline (9) delivers acid / alkali liquid to the one-effect pool, the two-effect pool and the three-effect pool through a distribution pipeline, and each distribution pipeline is provided with a flow control valve (10) controlled by the distribution pipeline.