CN219694924U

CN219694924U - On-line analyzer for quality of volatile phenol by extraction method

Info

Publication number: CN219694924U
Application number: CN202320681722.2U
Authority: CN
Inventors: 陈寒; 周易; 李涛; 尚伟
Original assignee: Shenzhen Zhengqi Environment Technology Co ltd
Current assignee: Shenzhen Zhengqi Environment Technology Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-09-15
Anticipated expiration: 2033-03-31

Abstract

The utility model relates to an on-line analyzer for the quality of volatile phenol water by an extraction method, which comprises an analyzer body, wherein a metering module, a valve assembly, an extraction module and a distillation pool are arranged in the analyzer body, the extraction module comprises an extraction module bracket, an extraction pool and a liquid inlet pipe, the bottom end of the extraction pool is provided with a liquid outlet, the top surface of the extraction module bracket is provided with a fixed hole, an upper pressing block, a butterfly-shaped reed and a compression nut are sequentially arranged in the fixed hole from bottom to top, the compression nut is in threaded connection with the inner wall of the fixed hole, and the bottom end of the upper pressing block is propped against the top end of the extraction pool; one end of the liquid inlet pipe passes through the nut, the dish-shaped elastic sheet and the upper pressing block to be communicated with the interior of the extraction tank, the other end of the liquid inlet pipe is communicated with the interior of the distillation tank, and a sealing ring is arranged between the upper pressing block and the liquid inlet pipe; the bottom end of the extraction tank is provided with a lower pressing block, the top end of the lower pressing block is propped against the extraction tank, and the other end of the lower pressing block is propped against the extraction module bracket; the lower pressing block is provided with a through hole communicated with the liquid outlet; an ultrasonic module is arranged on the extraction tank. The water quality on-line analyzer is simple in structure.

Description

On-line analyzer for quality of volatile phenol by extraction method

Technical Field

The utility model relates to the field of environment monitoring devices, in particular to an online analyzer for the quality of volatile phenol water by an extraction method.

Background

Most of the existing online analyzers for extracting volatile phenol water quality measure samples after the volumes of the samples are reduced according to the national standard method, and in the extraction process, most of the analyzers adopt mechanical stirring paddles for uniformly mixing so as to accelerate the extraction process, and the online analyzers have the advantages of complex structural design, difficult cleaning and easy interference to the next measurement result.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides an online analyzer for the quality of volatile phenol water by an extraction method, which aims at solving at least one technical problem.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides an on-line analyzer of extraction method volatile phenol quality of water, includes the analyzer body, be provided with metering module, valve subassembly, extraction module and distillation tank in the analyzer body, metering module, valve subassembly, extraction module and distillation tank connect gradually, extraction module includes extraction module support, extraction tank and feed liquor pipe, the bottom of extraction tank is provided with the liquid outlet, extraction module support top surface is provided with the fixed orifices, upward briquetting, butterfly reed and gland nut have been set gradually from bottom to top in the fixed orifices, gland nut with the inner wall threaded connection of fixed orifices, the bottom of upward briquetting supports the top of extraction tank; one end of the liquid inlet pipe passes through the nut, the dish-shaped elastic sheet and the upper pressing block to be communicated with the interior of the extraction tank, the other end of the liquid inlet pipe is communicated with the interior of the distillation tank, and a sealing ring is arranged between the upper pressing block and the liquid inlet pipe; the bottom end of the extraction tank is provided with a lower pressing block, the top end of the lower pressing block is propped against the extraction tank, and the other end of the lower pressing block is propped against the extraction module bracket; the lower pressing block is provided with a through hole communicated with the liquid outlet; an ultrasonic module is arranged on the extraction tank.

Preferably, an exhaust overflow ring is arranged at one side of the extraction module support, one end of the exhaust overflow ring is communicated with the liquid inlet pipe, and the other end of the exhaust overflow ring is positioned outside the extraction module support and is higher than the distillation pool module.

Preferably, a capacitive liquid level sensor is fixed on the extraction module support.

Preferably, a measuring and transmitting bracket is arranged at one side of the extraction module bracket, a measuring lamp is fixed at one side of the measuring and transmitting bracket, a reference receiving sensor is arranged at the top end of the measuring and transmitting bracket, and an optical fiber collimating mirror is fixed in the measuring and transmitting bracket; the measuring and transmitting device is characterized in that a measuring and receiving bracket is arranged on the other side of the measuring and transmitting bracket, a receiving sensor is fixed on the measuring and receiving bracket, and a light guide column is fixed in the measuring and receiving bracket.

Preferably, the valve assembly comprises a three-way valve and a straight-through valve, one end of the straight-through valve is communicated with the through hole, the other end of the straight-through valve is communicated with one interface of the three-way valve, the other interface of the three-way valve is communicated with the distillation pool, the other interface of the three-way valve is communicated with the inside of a metering module, the metering module is connected with an eight-connection valve, and the top of the metering module is connected with a peristaltic pump;

the other end of the liquid inlet pipe is connected with a condensing pipe, and one end of the condensing pipe, which is not connected with the liquid inlet pipe, is communicated with the inside of the distillation pool.

Preferably, the upper part of the extraction tank is cylindrical, and the bottom is square.

Preferably, the bottom of the analyzer body is provided with a fitting box.

According to the on-line analyzer for the quality of the volatile phenol water by the extraction method, the ultrasonic module is arranged, so that the ultrasonic module generates high-frequency vibration during extraction operation, the effect of uniform mixing is achieved, and the ultrasonic module generates high-frequency vibration to facilitate the cleaning of an extraction tank when the extraction tank is cleaned after the extraction operation is completed; therefore, the structure is simple in structure relative to the structure that the mechanical stirring paddles are adopted for uniformly mixing, the ultrasonic module is not in contact with liquid in the extraction tank, and interference to the next measurement result caused by contamination of the liquid in the extraction tank is avoided.

Drawings

FIG. 1 shows a schematic diagram of the overall structure of an online analyzer for the quality of volatile phenol by an extraction method in an embodiment;

FIG. 2 shows a schematic diagram of the structure of an extraction module;

FIG. 3 shows a schematic diagram of the structure of an extraction cell;

FIG. 4 is a schematic diagram showing the connection structure of the devices of FIG. 1;

the reference numerals in the drawings:

analyzer body 1001, fitting box 1004, hanging plate 1005, distillation condensation module 1006, extraction module 1007, metering module 1008, peristaltic pump 1009, eight-way valve 1010, valve assembly 1011, baffle 1012;

extraction module support 2001, extraction cell 2002, lower press block 2003, upper press block 2004, compression nut 2005, butterfly reed 2006, liquid inlet tube 2007, sealing ring 2008, exhaust overflow ring 2009, capacitive liquid level sensor 2010, ultrasonic module 2011, measurement emission support 2012, measurement lamp 2013, reference receiving sensor 2014, optical fiber collimating mirror 2015, measurement receiving support 2017, receiving sensor 2018, light guide post 2019;

an upper part 3001 of the extraction tank and a square colorimetric tube 3002;

condenser tube 4001, distillation pool 4002, and cooling fan 4003;

three-way valve 5001, through valve 5002;

the diaphragm liquid pump 4, the constant volume valve 5, the air-blowing pump 6, the waste liquid valve 7, the cup cover 8, the water inlet 8-1, the mother liquid port 8-2, the water sample port 8-3, the sampling port 8-4, the waste liquid pipeline 9, the overflow pipeline 10, the water inlet pipeline 11, the mother liquid pipeline 12, the water sample pipeline 13, the three-way valve 14, the liquid storage ring 15, the plunger pump 16, the liquid supply pipeline 17, the filler pipeline 18, the sampling pipeline 19, the tetrad valve 20, the liquid discharge pipeline 21, the first standard liquid pipeline 22, the second standard liquid pipeline 23, the analyzer pipeline 24 and the liquid level detection device 25.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, fig. 2 and fig. 4, an on-line analyzer for quality of volatile phenol produced by an extraction method in this embodiment includes an analyzer body 1001, in which a metering module 1008, a valve assembly 1011, an extraction module 1007 and a distillation pool 4002 are disposed, and the metering module, the valve assembly, the extraction module and the distillation pool are sequentially connected, where the metering module distillation pool and the valve assembly can use existing structures, the metering module may also be referred to as a metering device, the extraction module includes an extraction module bracket 2001, an extraction pool 2002 and a liquid inlet pipe 2007, a liquid outlet is disposed at the bottom end of the extraction pool, a fixing hole is disposed on the top surface of the extraction module bracket, an upper pressing block 2004, a butterfly reed 2006 and a pressing nut 2005 are sequentially disposed in the fixing hole from bottom to top, the pressing nut is in threaded connection with the inner wall of the fixing hole, and the bottom end of the upper pressing block abuts against the top end of the extraction pool; one end of the liquid inlet pipe passes through the nut, the dish-shaped elastic sheet and the upper pressing block to be communicated with the interior of the extraction tank, the other end of the liquid inlet pipe is communicated with the interior of the distillation tank, and a sealing ring 2008 is arranged between the upper pressing block and the liquid inlet pipe; a lower pressing block 2003 is arranged at the bottom end of the extraction tank, the top end of the lower pressing block is propped against the extraction tank, and the other end of the lower pressing block is propped against the extraction module bracket; the lower pressing block is provided with a through hole communicated with the liquid outlet; an ultrasonic module 2011 is installed on the extraction tank, and in this embodiment, the ultrasonic module may be an ultrasonic oscillator.

In one embodiment, an exhaust overflow ring 2009 is disposed at one side of the extraction module support, one end of the exhaust overflow ring is communicated with the liquid inlet pipe, the other end of the exhaust overflow ring is located outside the extraction module support and is higher than the distillation pool module, the exhaust overflow ring can also be called an exhaust liquid storage ring, and the exhaust overflow ring can use the existing structure and is mainly used for communicating with air so as to facilitate pressure relief and enable the distillate to drop smoothly; the other effect is then overflow, when there is more liquid in failure or when there is some liquid temporarily stored in the ring during cleaning.

In one embodiment, the extraction module support has a capacitive liquid level sensor 2010 fixed thereon for detecting the height of the liquid in the extraction cell, so as to facilitate volume fixing.

In one embodiment, a measurement emission bracket 2012 is arranged on one side of the extraction module bracket, the capacitive liquid level sensor is generally positioned above the measurement emission bracket, a measurement lamp 2013 is fixed on one side of the measurement emission bracket, a reference receiving sensor 2014 is arranged at the top end of the measurement emission bracket, and an optical fiber collimating lens 2015 is fixed in the measurement emission bracket; the other side of the measurement transmitting support is provided with a measurement receiving support 2017, a receiving sensor 2018 is fixed on the measurement receiving support, and a light guide pillar 2019 is fixed in the measurement receiving support, wherein, referring to fig. 3, the upper portion 3001 of the extraction tank is preferably cylindrical so as to reduce the height of the extraction tank to the greatest extent, and the bottom of the extraction tank is square so as to form a square colorimetric tube 3002. The structure is mainly used for colorimetric operation, specifically, a measuring lamp 2013 is turned on, light emitted by the measuring lamp is emitted into a square colorimetric tube 3002 part in an extraction tank 2002 through an optical fiber collimating lens 2015, then is led into a reference sensor 2018 for measurement through a light guide column 2019, and meanwhile, the reference sensor 2014 performs real-time measurement to provide calculation data for calculating the concentration of volatile phenol in a water sample.

In one embodiment, the valve assembly comprises a three-way valve 5001 and a through valve 5002, one end of the through valve is communicated with the through hole, the other end of the through valve is communicated with one port of the three-way valve, the other port of the three-way valve is communicated with the distillation pool, the port is normally closed when in use, the other port of the three-way valve is communicated with the inside of a metering module, the metering module is connected with an eight-connected valve 1010, the top of the metering module is connected with a peristaltic pump 1009, in actual production, a condensation pipe 4001 is arranged above the distillation pool, one end of the condensation pipe is communicated with the inside of the distillation pool, and the other end of the condensation pipe is communicated with the other end of the liquid inlet pipe, so as to facilitate heat dissipation. The structure is innovated based on an extraction method in a 4-aminoantipyrine spectrophotometry in the national standard GB7490-87, and the working flow is as follows:

(1) water sample inlet: the water sample valve on the eight-conjoined valve 1010 is opened, the peristaltic pump 1009 rotates forward, the water sample is metered by the metering module 1008, the three-way valve 5001 is opened, the peristaltic pump 1009 rotates reversely, the water sample is pushed into the distillation pool 4002, and the process is repeated until the water sample in the distillation pool is 10ml.

(2) Reagent 1: the reagent 1 valve in the eight-way valve 1010 is opened, the peristaltic pump 1009 is rotated forward, the reagent 1 (oxidant) is metered into a volume of 1ml by the metering module 1008, the three-way valve 5001 is opened, the peristaltic pump 1009 is reversed, and the reagent 1 is pushed into the distillation cell 4002.

(3) Primary distillation: heating the distillation pool 4002 to 100 ℃, enabling volatile phenol and water vapor to pass through a condensation pipe 4001 to form distillate, enabling the distillate to enter an extraction pool 2002 through a liquid inlet pipe 2007, stopping heating when about 80% of a water sample is evaporated (calculated by the overall heating process time), enabling the distillation pool to radiate heat until the temperature of the distillation pool is reduced to 75 ℃, arranging a cooling fan 4003 on one side of the distillation pool for accelerating heat radiation of the distillation pool, and winding a heating wire on the surface of the distillation pool for facilitating distillation to heat; the distillation pool, the heating wire, the cooling fan and other structures form a distillation condensing module 1006.

(4) And (3) secondary water inlet sample: the zero mark valve on the eight-conjoined valve 1010 is opened, the peristaltic pump 1009 is rotated forward, the zero mark is metered by 2ml through the metering module 1008, the three-way valve 5001 is opened, the peristaltic pump 1009 is rotated reversely, and the zero mark is pushed into the distillation pool 4002.

(5) And (3) secondary distillation constant volume: the distillation process was continued by starting to heat the distillation cell 4002 to 100 c until the distillate collection reached the position of the capacitive level sensor 2010 and the liquid in the extraction cell 2002 was 10ml. The cooling fan 4003 was turned on, and the distillation pool temperature was reduced to 40 ℃.

(6) Color development flow: the reagent 2 valve in the eight-conjoined valve 1010 is opened, 1ml of reagent 2 (buffer) is metered by the metering module 1008, the three-way valve 5001 is closed, the through valve 5002 is opened to push the buffer into the extraction tank 2002, the reagent 3 valve in the eight-conjoined valve 1010 is opened, the metering module 1008 meters 1ml of reagent 3 (color reagent) into the extraction tank 2002 after pushing the reagent into the extraction tank 2002 through the three-way valve 5001 and the through valve 5002, and the peristaltic pump 1009 continuously inverts and blows the air to mix uniformly.

(7) Extraction: the reagent 4 valve in the eight-conjoined valve 1010 is opened, 2ml of reagent 4 (extractant) is metered by the metering module 1008, pushed into the extraction tank 2002 through the three-way valve 5001 and the straight-through valve 5002, and the ultrasonic module 2011 is opened to perform high-frequency ultrasonic extraction and then stands for 2min.

(8) Colorimetric procedure: the measuring lamp 2013 is turned on, light emitted by the measuring lamp is emitted to the square cuvette 3002 part in the extraction tank 2002 after passing through the optical fiber collimating lens 2015, then is led into the reference sensor 2018 by the light guide pillar 2019 for measurement, meanwhile, the reference sensor 2014 performs real-time measurement, and the online analyzer software obtains the concentration of volatile phenol in the water sample through calculation by receiving measurement data.

(9) Cleaning and evacuating: the through valve 5002 is opened, the three-way valve 5001 is closed, the waste liquid in the extraction tank 2002 is discharged through the waste liquid valve in the eight-connected valve 1010 after passing through the metering module 1008, and the distilled waste liquid in the distillation tank 4002 is discharged by opening the three-way valve 5003 and closing the through valve 5002. Then, the three-way valve 5001 is closed, the zero standard valve in the straight-through valve 5002 and the eight-connected valve 1010 is opened, 30ml of zero standard is filled in the distillation pool 4002, the condensation pipe 4001, the liquid inlet pipe 2007 and the extraction pool 2002, the ultrasonic module 2011 is opened, and after ultrasonic vibration cleaning is carried out, the evacuation flow is carried out.

In one embodiment, the bottom of the analyzer body is provided with a fitting box 1004 for storing portions of plumbing fittings and maintenance tools. Wherein, the upper pressing block and the lower pressing block are preferably processed by corrosion-resistant flexible materials (ptfe), and when the butterfly reed is in a compressed state, the extraction tank can be ensured to be in a sealed state; the analyzer body is provided in the form of a cabinet in which a hanging plate 1005 is provided, and the above-mentioned devices such as the metering module 1008, the valve assembly 1011, the extraction module 1007, and the distillation tank are fixed on the hanging plate, and the hanging plate is hinged with the solid or detachably connected in other manners, so as to facilitate maintenance of the devices thereon. To prevent corrosion of the peristaltic pump after leakage, a baffle 1012 may also be provided over the peristaltic pump to protect the peristaltic pump.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something", but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).

Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an on-line analyzer of volatile phenol quality of extraction method, includes analyzer body (1001), be provided with metering module (1008), valve subassembly (1011), extraction module (1007) and distillation tank (4002) in the analyzer body, metering module, valve subassembly, extraction module and distillation tank connect gradually, its characterized in that, extraction module includes extraction module support (2001), extraction tank (2002) and feed liquor pipe (2007), the bottom of extraction tank is provided with the liquid outlet, extraction module support top surface is provided with the fixed orifices, be provided with upper briquetting (2004), butterfly reed (2006) and gland nut (2005) in the fixed orifices from bottom to top in proper order, gland nut with the inner wall threaded connection of fixed orifices, the bottom of upper briquetting is supported in the top of extraction tank;

one end of the liquid inlet pipe passes through the nut, the dish-shaped elastic sheet and the upper pressing block to be communicated with the interior of the extraction tank, the other end of the liquid inlet pipe is communicated with the interior of the distillation tank, and a sealing ring (2008) is arranged between the upper pressing block and the liquid inlet pipe;

a lower pressing block (2003) is arranged at the bottom end of the extraction tank, the top end of the lower pressing block is propped against the extraction tank, and the other end of the lower pressing block is propped against the extraction module bracket; the lower pressing block is provided with a through hole communicated with the liquid outlet;

an ultrasonic module (2011) is arranged on the extraction tank.

2. The online analyzer for water quality of volatile phenol by extraction according to claim 1, wherein an exhaust overflow ring (2009) is arranged at one side of the extraction module support, one end of the exhaust overflow ring is communicated with the liquid inlet pipe, and the other end of the exhaust overflow ring is positioned outside the extraction module support and is higher than the distillation pool module.

3. The online analyzer for water quality of volatile phenol by extraction method according to claim 1, wherein a capacitive liquid level sensor (2010) is fixed on the extraction module support.

4. The online analyzer for water quality of volatile phenol by an extraction method according to claim 1, wherein a measuring emission bracket (2012) is arranged at one side of the extraction module bracket, a measuring lamp (2013) is fixed at one side of the measuring emission bracket, a reference receiving sensor (2014) is arranged at the top end of the measuring emission bracket, and an optical fiber collimating mirror (2015) is fixed in the measuring emission bracket;

the measuring and transmitting device is characterized in that a measuring and receiving bracket (2017) is arranged on the other side of the measuring and transmitting bracket, a receiving sensor (2018) is fixed on the measuring and receiving bracket, and a light guide column (2019) is fixed in the measuring and receiving bracket.

5. The online analyzer for the quality of water of volatile phenol produced by the extraction method according to claim 1, characterized in that the valve assembly comprises a three-way valve (5001) and a through valve (5002), one end of the through valve is communicated with the through hole, the other end of the through valve is communicated with one interface of the three-way valve, the other interface of the three-way valve is communicated with the distillation pool, the other interface of the three-way valve is communicated with the inside of a metering module, the metering module is connected with an eight-in-one valve (1010), and the top of the metering module is connected with a peristaltic pump (1009);

6. The online analyzer for the quality of volatile phenol water by an extraction method according to claim 1, wherein the upper part of the extraction tank is cylindrical, and the bottom is square.

7. The online analyzer for the quality of volatile phenol water by extraction according to claim 1, wherein an accessory box (1004) is arranged at the bottom of the analyzer body.