CN209606352U - A kind of fluid sample on-line analysis device - Google Patents
A kind of fluid sample on-line analysis device Download PDFInfo
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- CN209606352U CN209606352U CN201822056453.2U CN201822056453U CN209606352U CN 209606352 U CN209606352 U CN 209606352U CN 201822056453 U CN201822056453 U CN 201822056453U CN 209606352 U CN209606352 U CN 209606352U
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Abstract
The utility model discloses a kind of fluid sample on-line analysis devices, including the first container, the first control valve and measuring head, the first container includes the horizontally disposed testing tube of upper port and is used to be passed through the sampling pipe of fluid sample positioned at testing tube side wall, switch of first control valve to control the first leakage fluid dram, the first control valve are connected and are located at the lower section of sampling pipe with testing tube；Measuring head has the first preset height for testing between fluid sample and its upper port with testing tube.Fluid sample is entered in measurement pipe by sampling pipe, and the first control valve is closed, and fluid sample can be made to form fluid column in measurement pipe.When fluid sample be full of measurement pipe when, the upper surface of fluid column and the upper surface of measurement pipe are concordant, it is clear that the upper surface of fluid column be smooth horizontal plane, liquid level kept constant with measuring head position it is constant, meet liquid on-line analyze two conditions.Meanwhile measuring head directly tests fluid sample, can guarantee the accuracy of test result.
Description
Technical field
The utility model relates to detection device technical field, in particular to a kind of fluid sample on-line analysis device.
Background technique
The multiple fields such as sewage treatment at present, petroleum, chemical industry require to be sampled liquid sample analysis, due to experiment
The room chemical examination period is long, can not monitor the elemental composition in fluid sample in real time, therefore the meaning of on-line analysis is very great.
X-ray fluorescence spectra analyzes (X-Ray Fluorescence) technology abbreviation XRF technology, passes through x-ray bombardment
Sample makes sample generate x-ray fluorescence, and then element contained in test sample.XRF technology has detection speed fast, smart
Spend the advantages that high.
XRF technology is used for on-line analysis liquid sample, needs to solve two problems: first is that make sample test surface with
Measuring head position keeps constant constant；Second is that sample test surface is needed to keep smooth.
Then filter paper is moved to survey by Adsorption of Filter Paper partially liq sample by XRF in-line analyzer in the prior art
It is analyzed amount head analysis position.But Adsorption of Filter Paper sample can change the component distributing structure in sample, such as liquid sample
In can be evenly distributed particulate matter, partial particulate object can not be by Adsorption of Filter Paper, and then leads to the sample and liquid-like on filter paper
Product component distributing structure is different, influences the accuracy of test result.
Therefore, how to improve the accuracy of fluid sample on-line analysis is that those skilled in the art's technology urgently to be solved is asked
Topic.
Utility model content
The purpose of the utility model is to provide a kind of fluid sample on-line analysis device, can directly to fluid sample into
Row analysis, to ensure that precision of analysis.
To achieve the above object, the utility model provides a kind of fluid sample on-line analysis device, comprising:
The first container, the first container include the horizontally disposed testing tube of upper port and be located at the testing tube
Side wall, the sampling pipe to be passed through fluid sample into the testing tube；
First control valve, first control valve is connected and is located at the lower section of the sampling pipe with the testing tube, described
The switch of first leakage fluid dram of first control valve to control the first container；
Measuring head, the measuring head include transmitter and receiver, and the two is respectively positioned on the top of the testing tube upper port,
There is the first preset height between the measuring head and the upper port of the testing tube.
It preferably, further include sampling pump, the sampling pump is located in the sampling pipe, to be passed through liquid to the testing tube
Body sample.
It preferably, further include control device, first control valve is solenoid valve, the sampling pump, first control
Valve and the measuring head are connected with the control device.
It preferably, further include the periphery for being sheathed on the testing tube, the fluid sample to collect the testing tube spilling
Second container, the lateral wall of the lower end of the second container and the testing tube is tightly connected.
Preferably, the lower end surface of the second container is equipped with the second leakage fluid dram.
Preferably, second leakage fluid dram is connected with the second control valve to empty the second container.
Preferably, second control valve is solenoid valve, and the side wall of the second container is equipped with to detect described second
Whether there is the sensor of fluid sample in container, the sensor and second control valve with the control device phase
Even.
Preferably, the sensor is located above the second container lower end surface at the second preset height.
Preferably, the measuring head is fixed on the upper end of the second container.
Preferably, the measuring head further includes columned shell, and the second container is also cylindrical, the measuring head
With shell coaxial arrangement and the two is tightly connected.
Fluid sample on-line analysis device provided by the utility model includes the first container, the first control valve and measurement
Head, the first container include testing tube and sampling pipe, and the upper port of testing tube is horizontally disposed, and measuring head is fixed on testing tube
The top of upper port, and remain that the first preset height, measuring head include transmitter and receiver with upper port.Sampling pipe position
In testing tube side wall, fluid sample is passed through in testing tube by sampling pipe.First control valve, which is set in testing tube, to be highly lower than
At the position of sampling pipe outlet.
Fluid sample is entered in measurement pipe by sampling pipe, and the first control valve is closed, and fluid sample can be made in measurement pipe
Middle formation fluid column.When fluid sample is full of measurement pipe, the upper surface of fluid column and the upper surface of measurement pipe are concordant, it is clear that fluid column
Upper surface is smooth horizontal plane, and the first preset height between measuring head and measurement pipe upper surface is fixed, and then guarantees liquid
Face kept constant with measuring head position it is constant, meet XRF technology carry out liquid on-line analysis two conditions.Meanwhile it measuring
Head directly tests fluid sample, can guarantee the accuracy of test result.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural schematic diagram of fluid sample on-line analysis device provided by the utility model.
Wherein, the appended drawing reference in Fig. 1 are as follows:
Receiver 1, transmitter 2, shell 3, testing tube 4, the first control valve 5, the first leakage fluid dram 6, the second leakage fluid dram 7,
Two control valves 8, sampling pipe 9, sampling pump 10, control device 11, sensor 12, second container 13.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawing and specifically
The utility model is described in further detail for embodiment.
Referring to FIG. 1, Fig. 1 is the structural schematic diagram of fluid sample on-line analysis device provided by the utility model.
Fluid sample on-line analysis device provided by the utility model, including the first container, measuring head and the first control
Valve 5.The first container controls the emptying of the first container for accommodating fluid sample, the first control valve 5, when the first control valve 5 is closed
When, fluid sample is capable of forming smooth liquid level in the first container.Measuring head can be fixed on by fixed mechanisms such as brackets
The top of one container, measuring head analyze fluid sample towards the liquid level of the first container, and fixed mechanism is able to maintain measurement
Constant distance between head and liquid level, and then realize the on-line analysis of fluid sample.
Specifically, the first container includes testing tube 4 and sampling pipe 9, the upper port of testing tube 4 is horizontally disposed, when
When fluid sample is full of testing tube 4, liquid level is concordant with the upper port of testing tube 4.Testing tube 4 and the angle of vertical direction are less than
90 °, preferred embodiment therein is that testing tube 4 is arranged along the vertical direction.Sampling pipe 9 is located at 4 side wall of testing tube, inside sampling pipe 9
It is connected to inside testing tube 4, as shown in Figure 1,9 vertical checkout pipe 4 of sampling pipe.The settable sample-adding funnel of sampling pipe 9 or sampling pump
The sampling mechanisms such as 10, fluid sample are flowed into testing tube 4 by sampling mechanism and sampling pipe 9.
First control valve 5 is located at the lower part of testing tube 4, is particularly located at the lower section of sampling pipe 9.When the first control valve 5 is closed
When, fluid sample is flowed into testing tube 4 by sampling pipe 9, can form fluid column in testing tube 4.The is opened after completing test
One control valve 5, fluid sample are discharged from the first leakage fluid dram 6 of the first container lower part.
Measuring head includes transmitter 2 and receiver 1, and the two passes through fixed mechanism and is fixed on above 4 upper port of testing tube
Specified altitude assignment at, measuring head between the upper port of testing tube 4 at a distance from be the first preset height.User can determine as needed
The numerical value of first preset height, it is not limited here.Fixed mechanism can refer to the mechanisms such as bracket in the prior art.Certainly, liquid
Also need to be arranged computing unit, as the result is shown unit etc., computing unit and as the result is shown unit in body sample on-line analysis device
Etc. mechanisms see also the prior art, details are not described herein.
In the present embodiment, fluid sample on-line analysis device is fixedly installed on the lower section of measuring head by the first container, the
One container is packed into fluid sample, and then smooth liquid level is formed in the lower section of measuring head, enables measuring head directly to liquid-like
Product are tested, and ensure that test result is accurate and reliable.
Optionally, fluid sample on-line analysis device further includes control device 11 and sampling pump 10.Sampling pump 10 is located at the
In one container, the entrance of sampling pump 10 is inserted into fluid sample, and the energization of sampling pump 10 can suck fluid sample, and pass through
Fluid sample is sent into testing tube 4 by sampling pipe 9；When the liquid level in testing tube 4 reaches the upper surface of testing tube 4, then stopping is adopted
Sample pump 10 carries out sample analysis.Sampling pump 10 electric must can have the control of control device 11 with power loss, and control device 11 can be specially
Single-chip microcontroller, PLC controller or microcontroller etc..
In addition, the first control valve 5 is solenoid valve, the first control valve 5 is also connected with control device 11, is opening sampling pump
Before 10, control device 11 first closes the first control valve 5, and then fluid sample is avoided to be discharged from the first leakage fluid dram 6, avoids liquid
The waste of body sample.After completing test, control device 11, which sends instruction, opens the first control valve 5, and then fluid sample is arranged
Out.
In the present embodiment, sampling pump 10 is provided in sampling pipe 9, control device 11 can control sampling pump 10 and first
Valve 5 is controlled, to realize automatic sampling and the automatic-discharging of fluid sample on-line analysis device, reduces operator
Labor intensity.
In sampling process, needs accurately to control the height of fluid sample in the first container, just can guarantee measuring head
It is kept constant at a distance between liquid level, thus to operator or the requirement with higher of control device 11.
In the present embodiment, fluid sample on-line analysis device further includes the second container 13 for being sheathed on the periphery of testing tube 4,
The lateral wall of 13 lower end of second container and testing tube 4 is tightly connected.Second container 13 can be collected to overflow from the upper port of testing tube 4
Fluid sample out.Therefore, only need to continue to be passed through fluid sample into the first container in sampling process, until fluid sample is from survey
The upper port of test tube 4 is overflowed.The liquid level of fluid sample is controlled by way of overflow, can guarantee constant liquid level, and then guarantee
Every time test when measuring head between liquid level at a distance from keep constant.
Specifically, the lower end surface of second container 13 can pass through the lateral wall of the mechanisms such as rubber stopper or sealing ring and testing tube 4
It realizes and is tightly connected, certainly, the first container and second container 13 can also be connected by the modes such as welding, being bonded or the two is led to
Integrally formed mode is crossed to be manufactured.
The lower end surface of second container 13 is equipped with the second leakage fluid dram 7, connects between the second leakage fluid dram 7 and the lower end surface of second container 13
There is the second control valve 8.After completing test, opening the second control valve 8 can be by 13 rapid blow-down of second container.First leakage fluid dram 6
The top of waste liquid barrel is all set in the second leakage fluid dram 7, the fluid sample after test is recycled by waste liquid barrel, is avoided
The random discharge of fluid sample, improves the environmental-protecting performance of fluid sample on-line analysis device.
Optionally, the second control valve 8 can also be solenoid valve, and the second control valve 8 is connected with control device 11.Complete test
Afterwards, control device 11 controls the first control valve 5 and the second control valve 8 opens simultaneously, thus by fluid sample on-line analysis device
In fluid sample discharge, improve drain efficiency.After completing emptying, the first control valve 5 and the second control valve 8 are closed simultaneously
It closes, guarantees that fluid sample on-line analysis device can normally store liquid when testing next time.
In addition, the settable sensor 12 of the side wall of second container 13, sensor 12 is located at the top, simultaneously of the second control valve 8
It is connected with control device 11.During fluid sample on-line analysis device stores liquid, sensor 12 is persistently detected, when detecting the
In two containers 13 when the liquid level of fluid sample, sensor 12 sends signal to control device 11, and control device 11 closes sampling pump
10, starting measuring head tests fluid sample.Sensor 12 can be specially floating ball lever meter, infrared sensor etc., In
This is without limitation.
Have at the second preset height between 13 lower end surface of sensor 12 and second container.Second preset height determines liquid
Liquid level before sample on-line analysis device to test in second container 13.Certainly, the second preset height is smaller, and fluid sample exists
Waste liquid caused by line analysis device is fewer.Therefore, under the premise of guaranteeing liquid level accuracy of judgement, the default height of the second of selection
Degree should be as small as possible.
In the present embodiment, the periphery of the first container is also provided with second container 13, and fluid sample on-line analysis device passes through
The mode of overflow determines the liquid level in testing tube 4, and then guarantees that liquid level is all the same when test every time, while reducing operation
The required precision of personnel or control device 11 to Liquid level.In addition, the side wall of second container 13 is also provided with for detecting the
Whether there is the sensor 12 of fluid sample in two containers 13, sensor 12 and the second control valve 8 with 11 phase of control device
Even, judged to store whether liquid process is completed by control device 11, and control measuring head is tested after completing to store liquid, is further mentioned
High the degree of automation of fluid sample on-line analysis device.
Optionally, measuring head is fixed on the upper end of second container 13, the fixed mechanism by second container 13 as measuring head,
It can ensure the constant distance between 4 upper surface of measuring head and testing tube.
Specifically, measuring head further includes that columned shell 3, transmitter 2 and receiver 1 pass through welding, riveting or bolt
The modes such as connection are fixed in measuring head.The lower end surface of shell 3 is equipped with the perforative measured hole of through-thickness, transmitter 2 and connects
Device 1 is received towards measured hole, the upper port of testing tube 4 is located at the underface of measured hole.X-ray passes through measured hole irradiating liquids sample
The liquid level of product, the x-ray fluorescence for irradiating generation passes through measured hole and is received by receiver 1, to complete the test of fluid sample.
Second container 13 is also cylindrical, and measuring head and second container 13 are coaxially disposed, and measuring head and second container 13 are logical
It crosses the modes such as welding or threaded connection and realizes sealed connection.When testing volatility or when corrosive fluid sample, measuring head with
The sealed connection of second container 13 can make to form a relatively closed space in fluid sample on-line analysis device, reduce liquid
The leakage of sample.Certainly, to guarantee that fluid sample is able to enter in fluid sample on-line analysis device, the top of second container 13
Venthole should be also set.
In addition, the upper end of second container 13 is obviously higher than the upper end of measurement pipe in the present embodiment.Second container 13 in Fig. 1
Side wall is equipped with the perforative via hole of through-thickness, and sampling pipe 9 passes through via hole and keeps sealing with the edge of via hole.It is specific at other
In embodiment, sampling pipe 9 be may also set up in the outside of second container 13, it is not limited here.
In the present embodiment, measuring head is fixed by second container 13, can significantly improve the stability of measuring head, is protected
The liquid distance between the surface for demonstrate,proving measuring head and fluid sample is constant.The shell 3 and second container 13 of measuring head are tightly connected, and can be reduced
The volatilization and leakage of fluid sample, to further increase the environmental-protecting performance of fluid sample on-line analysis device.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Fluid sample on-line analysis device provided by the utility model is described in detail above.It is used herein
Specific case is expounded the principles of the present invention and embodiment, and the explanation of above example is only intended to help
Understand the method and its core concept of the utility model.It should be pointed out that for those skilled in the art, In
Under the premise of not departing from the utility model principle, several improvements and modifications can be made to this utility model, these improve and
Modification is also fallen into the protection scope of the utility model claims.
Claims (10)
1. a kind of fluid sample on-line analysis device characterized by comprising
The first container, the first container include the horizontally disposed testing tube of upper port (4) and be located at the testing tube
(4) side wall, the sampling pipe (9) to be passed through fluid sample in the testing tube (4)；
First control valve (5), first control valve (5) are connected with the testing tube (4) and are located at the sampling pipe (9)
Lower section, the switch of first leakage fluid dram (6) of first control valve (5) to control the first container；
Measuring head, the measuring head include transmitter (2) and receiver (3), and the two is respectively positioned on the testing tube (4) upper port
Top has the first preset height between the measuring head and the upper port of the testing tube (4).
2. fluid sample on-line analysis device according to claim 1, which is characterized in that further include sampling pump (10), institute
Sampling pump (10) are stated to be located in the sampling pipe (9), to be passed through fluid sample to the testing tube (4).
3. fluid sample on-line analysis device according to claim 2, which is characterized in that it further include control device (11),
First control valve (5) be solenoid valve, the sampling pump (10), first control valve (5) and the measuring head with
The control device (11) is connected.
4. fluid sample on-line analysis device according to claim 3, which is characterized in that further include being sheathed on the test
The periphery of pipe (4), the second container (13) to collect the fluid sample that the testing tube (4) are overflowed, the second container
(13) lateral wall of lower end and the testing tube (4) is tightly connected.
5. fluid sample on-line analysis device according to claim 4, which is characterized in that under the second container (13)
End face is equipped with the second leakage fluid dram (7).
6. fluid sample on-line analysis device according to claim 5, which is characterized in that second leakage fluid dram (7) is even
There is the second control valve (8) to empty the second container (13).
7. fluid sample on-line analysis device according to claim 6, which is characterized in that second control valve (8) is
Solenoid valve, the side wall of the second container (13) are equipped with to detect in the second container (13) with the presence or absence of fluid sample
Sensor (12), the sensor (12) and second control valve (8) are connected with the control device (11).
8. fluid sample on-line analysis device according to claim 7, which is characterized in that the sensor (12) is located at institute
It states above second container (13) lower end surface at the second preset height.
9. fluid sample on-line analysis device according to claim 7, which is characterized in that the measuring head is fixed on described
The upper end of second container (13).
10. fluid sample on-line analysis device according to claim 9, which is characterized in that the measuring head further includes circle
Columnar shell (1), the second container (13) is also cylindrical, the shell (1) with the second container (13) is coaxial sets
It sets and the two is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822056453.2U CN209606352U (en) | 2018-12-07 | 2018-12-07 | A kind of fluid sample on-line analysis device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822056453.2U CN209606352U (en) | 2018-12-07 | 2018-12-07 | A kind of fluid sample on-line analysis device |
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| CN209606352U true CN209606352U (en) | 2019-11-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406557A (en) * | 2018-12-07 | 2019-03-01 | 长沙开元仪器有限公司 | A kind of fluid sample on-line analysis device |
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2018
- 2018-12-07 CN CN201822056453.2U patent/CN209606352U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406557A (en) * | 2018-12-07 | 2019-03-01 | 长沙开元仪器有限公司 | A kind of fluid sample on-line analysis device |
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