On-line oil-in-water analysis system with pretreatment device

By designing an online oil-water analysis system with a pretreatment device, and employing optical detection technology and a pretreatment module, the problem of poor timeliness in detecting petroleum-related substances in condensate was solved, enabling rapid and accurate real-time monitoring and improving the safety and management efficiency of petrochemical production processes.

CN223597525UActive Publication Date: 2025-11-25SHENZHEN MIPOCEX MASCH EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422652913.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-11-25
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

In existing technologies, the detection of petroleum-related substances in condensate during petrochemical production processes requires manual sampling at fixed points and times, resulting in a large workload and poor timeliness of test results, making it difficult to monitor changes in oil content in a timely manner.

Method used

Design an online oil-water analysis system with a pretreatment device, including a pretreatment module, analysis sensors, and a controller. Employing optical detection technology, it performs real-time analysis based on the principle of near-infrared light scattering or absorption. Combined with sampling pipelines, primary filtration, secondary filtration, regulation monitoring, and circulation control, it achieves rapid and accurate real-time monitoring of water samples.

Benefits of technology

It enables rapid, accurate, and real-time monitoring of oil content in water, allowing for timely detection of water quality issues and the implementation of appropriate measures to ensure water quality and equipment safety. It also features remote control and data transmission capabilities, improving monitoring efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223597525U_ABST
    Figure CN223597525U_ABST
Patent Text Reader

Abstract

The utility model discloses an oil-in-water on-line analysis system with a pretreatment device, which comprises a pretreatment module, an analysis sensor, an analysis controller and a cabinet, and the pretreatment module, the analysis sensor and the analysis controller are integrally mounted in the cabinet. The pretreatment module comprises a sampling pipeline, a primary filter, a secondary filter, an adjusting and monitoring device and a circulating control device. The online oil-in-water analysis system with the pretreatment device adopts an advanced optical detection technology, performs real-time analysis on a water sample through near-infrared light scattering or absorption so as to monitor the content of oil in water, has the characteristics of rapidness, accuracy and real-time monitoring, and is suitable for large-scale popularization and application. The water quality monitoring system can help a user to timely discover water quality problems and take measures, is helpful for guaranteeing water quality and equipment safety, has remote control and data transmission functions, and enables the user to monitor water quality conditions anytime and anywhere.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of water oil online analysis technical field, specifically a kind of water oil online analysis system with pretreatment device. BACKGROUND

[0002] Water oil online analysis system with pretreatment device is a kind of equipment for real-time monitoring the oil content in water body, widely used in petrochemical industry, fine chemical industry, water treatment and other fields.

[0003] In the production process of petrochemical plant, part of discharge water will be generated, and some oil substances mixed in the production process, to make condensate water recyclable, the oil content in condensate water needs to be analyzed, before using artificial fixed-point timing water sampling, then using offline analyzer in laboratory to detect the oil content in water. This way is heavy workload, and the timeliness of detection result is poor, it is difficult to monitor the change of oil content in condensate water in time, therefore, a kind of water oil online analysis system with pretreatment device is needed to solve the above technical problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of water oil online analysis system with pretreatment device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of water oil online analysis system with pretreatment device, by pretreatment module, analysis sensor, analysis controller, cabinet is formed, the pretreatment module, analysis sensor, analysis controller are integrated in cabinet, the pretreatment module includes: sampling pipeline, primary filtration, secondary filtration, adjustment monitoring and circulation control.

[0007] As a further scheme of the utility model: the sampling pipeline is used to introduce water sample into analysis sensor for detection, including: sample valve, sample valve, sample pipeline assembly.

[0008] As a further scheme of the utility model: the primary filtration uses filter with large aperture and area to preliminarily remove large impurities in water, including: primary filter, primary filter blowdown valve.

[0009] As a further scheme of the utility model: the secondary filtration is provided with secondary precision filter after primary filtration, using filter with small aperture to remove small impurities in water, including: secondary filter, secondary filter blowdown valve.

[0010] As a further scheme of the utility model: the adjusting monitoring is used for adjusting the flow rate and pressure parameter of the sample, and comprises a flow regulating valve, a pressure gauge and a flow meter.

[0011] As a further scheme of the utility model: the circulation control comprehensively considers the process requirement of the pretreatment module and the water sample nature factor, sets the circulation control, can effectively improve the efficiency and stability of the pretreatment process, provides the reliable sample preparation for the subsequent analysis, and comprises a booster circulation pump, a control valve, a pipeline and a joint assembly.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The online analysis system of oil in water with a pretreatment device adopts advanced optical detection technology, realizes real-time analysis on the water sample through near-infrared light scattering or absorption principle, thereby monitoring the content of oil in water, and has the characteristics of rapidness, accuracy and real-time monitoring, can help the user to find the water quality problem in time and take measures, is helpful for guaranteeing the quality of water and the safety of equipment, in addition, the system also has remote control and data transmission functions, so that the user can monitor the water quality at any time and anywhere. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the online analysis system of oil in water with a pretreatment device.

[0015] In the figure: 1 is a sample valve, 2 is a primary filter, 3 is a primary filter blowdown valve, 4 is a booster circulation pump, 5 is a control valve, 6 is a secondary filter, 7 is a secondary filter blowdown valve, 8 is a flow regulating valve, 9 is a pressure gauge, 10 is a flow meter, 11 is an analysis sensor, 12 is an analysis controller, 13 is a sample valve, and 14 is a cabinet. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0017] Please refer to Figure 1 An online analysis system of oil in water with a pretreatment device is composed of a pretreatment module, an analysis sensor 11, an analysis controller 12 and a cabinet 14, the pretreatment module, the analysis sensor 11 and the analysis controller 12 are integrally installed in the cabinet 14, and the pretreatment module comprises a sampling pipeline, primary filtration, secondary filtration, adjusting monitoring and circulation control.

[0018] The pretreatment of circulating water refers to a series of treatment steps on the water before it is used for analysis to ensure the normal operation of the analysis sensor 11 and maximize the service life of the analysis system. The main goal of the pretreatment is to remove impurities such as solid suspended matter, dissolved matter and microorganisms, and prevent problems such as scale, corrosion and interference with analysis.

[0019] Preferably, the sampling pipeline is used to introduce the water sample into the analysis sensor 11 for detection, including: a sample inlet valve 1, a sample outlet valve 13, a sample pipeline assembly, and the sample collection device can be manual collection or automatic collection, which is selected according to actual needs.

[0020] Preferably, the primary filtration uses a filter with large aperture and area to preliminarily remove large impurities in the water, such as silt, suspended matter, etc., including: a primary filter 2, a primary filter blowdown valve 3, and the primary filter 2 is made of stainless steel material, a metal sintered multi-layer filter screen, and a spiral flow channel is designed inside the shell to realize the flushing of the filter screen and the inner wall of the shell and increase the settling speed of impurities. A blowdown pipeline is arranged at the bottom of the primary filter 2, and regular blowdown is realized through the primary filter blowdown valve 3 to improve the filtration efficiency.

[0021] Preferably, the secondary filtration is provided with a secondary precision filter after the primary filtration, and a filter with small aperture is used to remove small impurities in the water, such as colloidal matter, silt, suspended matter, etc., including: a secondary filter 6, a secondary filter blowdown valve 7, and the secondary filter 6 has an automatic backwashing function. The filter core is in a tower type structure, has a large filtration area and high filtration efficiency, the main part of the tower type filter core is a filter core pipe composed of multiple special filter materials, the filter core has certain aperture and surface characteristics through special design, can effectively capture suspended matter, particles and other impurities in the water, in order to enhance the stability and durability of the filter core, the tower type filter core is equipped with a support structure, uses high-strength metal material as a support frame, can prevent the filter core from deforming or collapsing during use; end covers are arranged at both ends of the tower type filter core, are used to fix the filter core and connect to the filter housing, the end covers are usually made of plastic, have excellent sealing performance, and a corrosion-resistant sealing ring is arranged between the end cover and the filter core, is used to ensure the sealing between the filter core and the filtration system, can effectively prevent the water sample from bypassing the filter core without being filtered. A blowdown pipeline is arranged at the bottom of the secondary filter 6, and regular blowdown is realized through the secondary filter blowdown valve 7.

[0022] Preferably, the adjustment monitoring is used to adjust the flow rate and pressure parameters of the sample, including: a flow rate adjustment valve 8, a pressure gauge 9 and a flow meter 10, to ensure the stability and accuracy of the analysis process.

[0023] Preferably, the circulation control comprehensively considers the process requirements of the pretreatment module and the water sample property factors, sets the circulation control, can effectively improve the efficiency and stability of the pretreatment process, and provides reliable sample preparation for subsequent analysis, including: booster circulating pump 4, control valve 5, pipeline, joint assembly, booster circulating pump 4 adopts advanced liquid dynamics design and material, optimizes the structure of impeller, blade and pump shell, reduces the resistance of fluid and the friction loss of pump, and adopts lightweight design, reduces the running noise of the pump through optimizing the structure of rotating and friction parts of the pump, reducing vibration and noise source, and adopting noise damping materials. High-quality materials, precision machining process, and reliable sealing design ensure long-term stable operation of the pump. Booster circulating pump 4 adopts intelligent control system to realize the monitoring and adjustment of pump start-stop, speed regulation and operation parameters. Through the use of advanced sensor technology, adaptive control algorithm and remote monitoring system, the intelligent management and remote control of booster circulating pump 4 are realized, and the operation efficiency and reliability of booster circulating pump 4 are improved.

[0024] The water-oil online analysis system with pretreatment device has a wide application in petrochemical, fine chemical and other fields of enterprises, mainly in the following aspects:

[0025] Environmental monitoring: Petrochemical enterprises usually produce a large amount of industrial wastewater, which may contain oil. The water-oil online analysis system with pretreatment device can monitor the oil content in wastewater in real time, help enterprises discover and control oil pollution in wastewater in time, and ensure that the discharged water quality meets the requirements of environmental protection regulations.

[0026] Process monitoring: Some links in petrochemical production process, such as crude oil processing, oil product synthesis, storage and transportation, may involve the risk of oil leakage or overflow. The water-oil online analysis system with pretreatment device can monitor the oil content in circulating water / condensate water of production device in real time, discover potential leakage or overflow in time, and ensure the safety of production process.

[0027] Equipment state monitoring: The equipment in petrochemical enterprises, such as oil tank and pipeline, may have oil leakage or seepage during operation. The water-oil online analysis system with pretreatment device can monitor the water around these equipment, discover oil leakage of equipment in time, help prevent accidents, and ensure the safe operation of equipment.

[0028] Improving management efficiency: Traditional water quality monitoring method usually needs manual sampling and analysis, which is time-consuming, labor-intensive and high-cost. The water-oil online analysis system with pretreatment device can realize real-time monitoring and data transmission, improve the efficiency and accuracy of monitoring, help enterprises understand water quality in time and make management decisions.

[0029] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments but can be implemented in other embodiments without departing from the scope of the application. The scope of the application is defined by the claims and not by the above description, which therefore only discloses exemplary embodiments. It is intended to embrace all technical and structural equivalents known to persons skilled in the art in connection with the elements of the claims. The word "comprising" does not exclude not only the precise

[0030] Furthermore, it is to be understood that the application is not limited to the details of one or more examples described herein, which are disclosed by way of example only. Rather, the scope of the application is defined by the appended claims.

[0031] The description and drawings are only to be considered illustrative of the application and do not to be viewed as limiting. The scope of the present application is to be only limited by the appended claims.

Claims

1. An online oil-water analysis system with a pretreatment device, comprising a pretreatment module, an analysis sensor (11), an analysis controller (12), and a cabinet (14), characterized in that, The preprocessing module, analysis sensor (11), and analysis controller (12) are integrated and installed in the cabinet (14). The preprocessing module includes: sampling pipeline, primary filtration, secondary filtration, adjustment monitoring, and cycle control.

2. The online oil-water analysis system with pretreatment device according to claim 1, characterized in that, The sampling pipeline is used to introduce water samples into the analysis sensor (11) for detection, and includes: an inlet valve (1), an outlet valve (13), and a sample pipeline assembly.

3. The online oil-water analysis system with pretreatment device according to claim 1, characterized in that, The primary filtration uses a filter with a large pore size and area to initially remove large impurities in the water, including: primary filter (2) and primary filter drain valve (3).

4. The online oil-water analysis system with pretreatment device according to claim 1, characterized in that, The secondary filtration is a precision filter installed after the primary filtration. It uses a small-pore filter to remove tiny impurities in the water, including: secondary filter (6) and secondary filter drain valve (7).

5. The online oil-water analysis system with pretreatment device according to claim 1, characterized in that, The regulating and monitoring system is used to regulate the flow rate and pressure parameters of the sample, and includes: a flow regulating valve (8), a pressure gauge (9), and a flow meter (10).

6. The online oil-water analysis system with pretreatment device according to claim 1, characterized in that, The circulation control comprehensively considers the process requirements of the pretreatment module and the properties of the water sample. The circulation control can effectively improve the efficiency and stability of the pretreatment process and provide reliable sample preparation for subsequent analysis. It includes: a booster circulation pump (4), control valves (5), pipelines, and connector assemblies.