CN213957162U - Detection apparatus for cyanide content in waste liquid - Google Patents
Detection apparatus for cyanide content in waste liquid Download PDFInfo
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- CN213957162U CN213957162U CN202022896157.0U CN202022896157U CN213957162U CN 213957162 U CN213957162 U CN 213957162U CN 202022896157 U CN202022896157 U CN 202022896157U CN 213957162 U CN213957162 U CN 213957162U
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Abstract
A detection device for cyanide content in waste liquid comprises a quantitative feeding assembly, a gas generation assembly and an absorption colorimetric assembly; the quantitative feeding assembly comprises a bidirectional pump, a burette, a common pipe, a standard solution container, a first reagent container, a second reagent container, a third reagent container, a sample container to be detected, a purified water container, an air opening, a first connecting end, a second connecting end and a plurality of electromagnetic valves; the gas generation assembly comprises a reaction tank, a reaction tank cover, a first connecting pipe, a second connecting pipe and a heating unit; the bottom of the reaction tank is provided with a first liquid discharge port; the absorption colorimetric assembly comprises a colorimetric pool, a colorimetric pool cover, a third connecting pipe, a fourth connecting pipe, an air suction pump, a detection light source and a light detector; and a second liquid outlet is formed in the bottom of the colorimetric pool. So need not to disassemble can realize clearance, easy operation, work efficiency height.
Description
Technical Field
The utility model relates to a waste liquid detects technical field, especially a detection device of cyanide content in waste liquid.
Background
Inorganic cyanide is a common toxic substance, and when the intake amount of the inorganic cyanide reaches more than 0.1g, the inorganic cyanide can cause death of central nervous failure. At present, the detection of cyanide is mainly carried out by a colorimetric method, a gas chromatography method and an atomic absorption method. The colorimetric method is that liquid to be detected and a specific reaction reagent are added into a reaction tank, a heating reaction is carried out to generate gaseous cyanide, then the gaseous cyanide is transferred into the colorimetric tank to react with the other reaction reagent, and then the content of the cyanide is calculated through the signal intensity of an optical detector arranged at the colorimetric tank.
The reaction tank and the colorimetric tank of the existing colorimetric detection device are troublesome to clean after the detection is finished once; if the cleaning is not performed or is not complete, the next detection will be interfered.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a need not to disassemble and to realize detection device of cyanide content in clearance, easy operation, the waste liquid that work efficiency is high to solve above-mentioned problem.
A detection device for cyanide content in waste liquid comprises a quantitative feeding assembly, a gas generation assembly and an absorption colorimetric assembly; the quantitative feeding assembly comprises a bidirectional pump, a burette, a common pipe, a standard solution container, a first reagent container, a second reagent container, a third reagent container, a sample container to be detected, a purified water container, an air opening, a first connecting end, a second connecting end and a plurality of electromagnetic valves; the first end of the measuring tube is connected with the bidirectional pump, and the second end of the measuring tube is connected with the middle part of the common tube; the standard liquid container, the first reagent container, the second reagent container, the third reagent container, the sample container to be tested, the purified water container, the air opening, the first connecting end and the second connecting end are all connected with the common pipe through an electromagnetic valve; the gas generating assembly comprises a reaction tank with an opening at the upper part, a reaction tank cover covering the opening of the reaction tank, a first connecting pipe penetrating through the reaction tank cover, a second connecting pipe penetrating through the reaction tank cover and a heating unit arranged at the outer side of the reaction tank; the first connecting pipe is connected with the second connecting end, and the bottom of the reaction tank is provided with a first liquid discharge port; the absorption colorimetric assembly comprises a colorimetric pool with an opening at the upper part, a colorimetric pool cover for covering the opening of the colorimetric pool, a third connecting pipe penetrating through the colorimetric pool cover, a fourth connecting pipe penetrating through the colorimetric pool cover, an air suction pump, a detection light source arranged at one side of the colorimetric pool and a light detector arranged at the other side of the colorimetric pool; one end of the second connecting pipe, which is far away from the reaction tank, penetrates through the colorimetric tank cover, the third connecting pipe is connected with the first connecting end, the fourth connecting pipe is connected with the air suction pump, and a second liquid discharge port is formed in the bottom of the colorimetric tank.
Furthermore, a plurality of scale marks are arranged on the measuring tube.
Further, a light source is arranged on one side of the burette.
Further, a first sealing plug is movably arranged at the first liquid discharging port.
Furthermore, a second sealing plug is movably arranged at the second liquid discharge opening.
Further, a hose is connected between the bidirectional pump and the first end of the burette.
Further, the heating unit is a spiral heating wire.
Compared with the prior art, the device for detecting the cyanide content in the waste liquid comprises a quantitative feeding component, a gas generating component and an absorption colorimetric component; the quantitative feeding assembly comprises a bidirectional pump, a burette, a common pipe, a standard solution container, a first reagent container, a second reagent container, a third reagent container, a sample container to be detected, a purified water container, an air opening, a first connecting end, a second connecting end and a plurality of electromagnetic valves; the first end of the measuring tube is connected with the bidirectional pump, and the second end of the measuring tube is connected with the middle part of the common tube; the standard liquid container, the first reagent container, the second reagent container, the third reagent container, the sample container to be tested, the purified water container, the air opening, the first connecting end and the second connecting end are all connected with the common pipe through an electromagnetic valve; the gas generating assembly comprises a reaction tank with an opening at the upper part, a reaction tank cover covering the opening of the reaction tank, a first connecting pipe penetrating through the reaction tank cover, a second connecting pipe penetrating through the reaction tank cover and a heating unit arranged at the outer side of the reaction tank; the first connecting pipe is connected with the second connecting end, and the bottom of the reaction tank is provided with a first liquid discharge port; the absorption colorimetric assembly comprises a colorimetric pool with an opening at the upper part, a colorimetric pool cover for covering the opening of the colorimetric pool, a third connecting pipe penetrating through the colorimetric pool cover, a fourth connecting pipe penetrating through the colorimetric pool cover, an air suction pump, a detection light source arranged at one side of the colorimetric pool and a light detector arranged at the other side of the colorimetric pool; one end of the second connecting pipe, which is far away from the reaction tank, penetrates through the colorimetric tank cover, the third connecting pipe is connected with the first connecting end, the fourth connecting pipe is connected with the air suction pump, and a second liquid discharge port is formed in the bottom of the colorimetric tank. So need not to disassemble can realize clearance, easy operation, work efficiency height.
Drawings
Embodiments of the present invention are described below with reference to the accompanying drawings, in which:
fig. 1 is a partial schematic view of the device for detecting cyanide content in waste liquid provided by the present invention.
Fig. 2 is a partial schematic view of the device for detecting cyanide content in waste liquid provided by the present invention.
Detailed Description
The following describes in further detail specific embodiments of the present invention based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
Referring to fig. 1 and 2, the apparatus for detecting cyanide content in waste liquid according to the present invention includes a quantitative feeding assembly 100, a gas generating assembly 200, and an absorption colorimetric assembly 300.
The quantitative feeding assembly 100 includes a bidirectional pump 10, a burette 20, a common pipe 30, a standard solution container 41, a first reagent container 42, a second reagent container 43, a third reagent container 44, a sample container 45 to be tested, a purified water container 46, an air opening 47, a first connection end 48, a second connection end 49, and a plurality of solenoid valves 50.
The measuring tube 20 is connected at a first end to the bidirectional pump 10 via a hose 11 and at a second end to the middle of the common tube 30.
The bi-directional pump 10 is capable of generating a negative pressure to draw a liquid or gas into the common tube 30 and the burette 20; a positive pressure may also be generated to push the liquid or gas out of the common tube 30 and burette 20.
The standard solution container 41, the first reagent container 42, the second reagent container 43, the third reagent container 44, the sample container 45 to be tested, the purified water container 46, the air opening 47, the first connection end 48 and the second connection end 49 are all connected with the common pipe 30 through an electromagnetic valve 50.
The standard liquid container 41 is used for containing standard liquid, the first reagent container 42 is used for containing a first reagent, the second reagent container 43 is used for containing a second reagent, the third reagent container 44 is used for containing a third reagent, the sample container 45 to be detected is used for containing a sample to be detected, the purified water container 46 is used for containing purified water, the air opening 47 is communicated with outside air, the first connecting end 48 is connected with the absorption colorimetric assembly 300, and the second connecting end 49 is connected with the gas generation assembly 200.
The burette 20 is provided with a plurality of scale marks 21, a light source 22 is further provided on one side of the burette 20, and the volume of the liquid pumped can be conveniently read or detected by refraction of light on the side of the burette 20 away from the light source 22.
By controlling the on-off of each electromagnetic valve 50, the extraction and the push-out of different liquids and gases can be realized.
The gas generating module 200 includes a reaction cell 60 having an opening at the upper side, a reaction cell cover 601 covering the opening of the reaction cell 60, a first connection pipe 61 passing through the reaction cell cover 601, a second connection pipe 62 passing through the reaction cell cover 601, and a heating unit 63 disposed at the outer side of the reaction cell 60.
The heating unit 63 is a spiral heating wire.
The first connection tube 61 is connected to the second connection end 49.
The bottom of the reaction tank 60 is further provided with a first drainage port 64, and a first sealing plug is movably arranged at the first drainage port 64.
The absorption colorimetric assembly 300 includes a colorimetric cell 70 having an opening at the upper side, a colorimetric cell cover 701 covering the opening of the colorimetric cell 70, a third connection pipe 71 passing through the colorimetric cell cover 701, a fourth connection pipe 72 passing through the colorimetric cell cover 701, an air suction pump 80, a detection light source 91 disposed at one side of the colorimetric cell 70, and a light detector 92 disposed at the other side of the colorimetric cell 70.
One end of the second connecting pipe 62 far away from the reaction tank 60 passes through the cuvette lid 701, the third connecting pipe 71 is connected with the first connecting end 48, and the fourth connecting pipe 72 is connected with the air pump 80.
The bottom of the cuvette 70 is further provided with a second liquid outlet 73, and a second sealing plug is movably arranged at the second liquid outlet 73.
During detection, the bidirectional pump 10 generates negative pressure to suck the third reagent into the common tube 30 and the burette 20 for measurement, and then the bidirectional pump 10 generates positive pressure to push the third reagent into the colorimetric pool 70 through the first connecting end 48.
Then, the bidirectional pump 10 generates a negative pressure to suck the sample to be measured into the common tube 30 and the burette 20 for measurement, and then the bidirectional pump 10 generates a positive pressure to push the sample to be measured into the reaction cell 60 through the second connection end 49. Similarly, the first reagent and the second reagent are pushed into the reaction cell 60.
The heating unit 63 heats the first reagent, the second reagent and the sample to be detected, so that the first reagent, the second reagent and the sample to be detected fully react to generate a gaseous cyanide.
The pump 80 is operated for a period of time to transfer the cyanide gas into the cuvette 70 to react with the third reagent, and the photodetector 92 detects the intensity of the light source 91 transmitted through the cuvette 70, thereby detecting and calculating the cyanide content.
The cyanide content of the standard liquid was measured in the same manner before the measurement, and the measurement result was corrected.
After the detection is completed, the first drain port 64 and the second drain port 73 are opened to drain the waste liquid; then, pure water is pushed into the reaction tank 60 and the colorimetric tank 70 by the bidirectional pump 10 to clean the reaction tank 60 and the colorimetric tank 70.
Finally, air is pushed into the reaction cell 60 and the colorimetric cell 70 through the bidirectional pump 10, so that the gaseous cyanide in the reaction cell 60 and the colorimetric cell 70 is discharged. Thus, the waste liquid and the waste gas in the reaction tank 60 and the colorimetric tank 70 can be cleaned simply and efficiently.
Compared with the prior art, the device for detecting the cyanide content in the waste liquid comprises a quantitative feeding assembly 100, a gas generating assembly 200 and an absorption colorimetric assembly 300; the quantitative feeding assembly 100 comprises a bidirectional pump 10, a burette 20, a common pipe 30, a standard solution container 41, a first reagent container 42, a second reagent container 43, a third reagent container 44, a sample container 45 to be tested, a purified water container 46, an air opening 47, a first connecting end 48, a second connecting end 49 and a plurality of electromagnetic valves 50; the first end of the measuring tube 20 is connected with the bidirectional pump 10, and the second end is connected with the middle part of the common tube 30; the standard solution container 41, the first reagent container 42, the second reagent container 43, the third reagent container 44, the sample container 45 to be tested, the purified water container 46, the air opening 47, the first connecting end 48 and the second connecting end 49 are all connected with the common pipe 30 through an electromagnetic valve 50; the gas generating module 200 includes a reaction cell 60 having an opening at the upper side thereof, a reaction cell cover 601 covering the opening of the reaction cell 60, a first connection pipe 61 passing through the reaction cell cover 601, a second connection pipe 62 passing through the reaction cell cover 601, and a heating unit 63 disposed at the outer side of the reaction cell 60; the first connecting pipe 61 is connected with the second connecting end 49, and the bottom of the reaction tank 60 is provided with a first liquid discharge port 64; the absorption colorimetric assembly 300 comprises a colorimetric pool 70 with an opening at the upper part, a colorimetric pool cover 701 covering the opening of the colorimetric pool 70, a third connecting pipe 71 penetrating through the colorimetric pool cover 701, a fourth connecting pipe 72 penetrating through the colorimetric pool cover 701, an air suction pump 80, a detection light source 91 arranged at one side of the colorimetric pool 70 and a light detector 92 arranged at the other side of the colorimetric pool 70; one end of the second connecting pipe 62 far away from the reaction tank 60 penetrates through the cuvette lid 701, the third connecting pipe 71 is connected with the first connecting end 48, the fourth connecting pipe 72 is connected with the air pump 80, and the bottom of the cuvette 70 is provided with a second liquid outlet 73. So need not to disassemble can realize clearance, easy operation, work efficiency height.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.
Claims (7)
1. The utility model provides a detection device of cyanide content in waste liquid which characterized in that: comprises a quantitative feeding component, a gas generating component and an absorption colorimetric component; the quantitative feeding assembly comprises a bidirectional pump, a burette, a common pipe, a standard solution container, a first reagent container, a second reagent container, a third reagent container, a sample container to be detected, a purified water container, an air opening, a first connecting end, a second connecting end and a plurality of electromagnetic valves; the first end of the measuring tube is connected with the bidirectional pump, and the second end of the measuring tube is connected with the middle part of the common tube; the standard liquid container, the first reagent container, the second reagent container, the third reagent container, the sample container to be tested, the purified water container, the air opening, the first connecting end and the second connecting end are all connected with the common pipe through an electromagnetic valve; the gas generating assembly comprises a reaction tank with an opening at the upper part, a reaction tank cover covering the opening of the reaction tank, a first connecting pipe penetrating through the reaction tank cover, a second connecting pipe penetrating through the reaction tank cover and a heating unit arranged at the outer side of the reaction tank; the first connecting pipe is connected with the second connecting end, and the bottom of the reaction tank is provided with a first liquid discharge port; the absorption colorimetric assembly comprises a colorimetric pool with an opening at the upper part, a colorimetric pool cover for covering the opening of the colorimetric pool, a third connecting pipe penetrating through the colorimetric pool cover, a fourth connecting pipe penetrating through the colorimetric pool cover, an air suction pump, a detection light source arranged at one side of the colorimetric pool and a light detector arranged at the other side of the colorimetric pool; one end of the second connecting pipe, which is far away from the reaction tank, penetrates through the colorimetric tank cover, the third connecting pipe is connected with the first connecting end, the fourth connecting pipe is connected with the air suction pump, and a second liquid discharge port is formed in the bottom of the colorimetric tank.
2. The apparatus for detecting cyanide content in waste liquid as claimed in claim 1, wherein: the measuring tube is provided with a plurality of scale marks.
3. The apparatus for detecting cyanide content in waste liquid as claimed in claim 1, wherein: one side of the measuring tube is provided with a light source.
4. The apparatus for detecting cyanide content in waste liquid as claimed in claim 1, wherein: and a first sealing plug is movably arranged at the first liquid discharge port.
5. The apparatus for detecting cyanide content in waste liquid as claimed in claim 1, wherein: and a second sealing plug is movably arranged at the second liquid discharge opening.
6. The apparatus for detecting cyanide content in waste liquid as claimed in claim 1, wherein: a hose is connected between the bidirectional pump and the first end of the burette.
7. The apparatus for detecting cyanide content in waste liquid as claimed in claim 1, wherein: the heating unit is a spiral heating wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022896157.0U CN213957162U (en) | 2020-12-04 | 2020-12-04 | Detection apparatus for cyanide content in waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022896157.0U CN213957162U (en) | 2020-12-04 | 2020-12-04 | Detection apparatus for cyanide content in waste liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213957162U true CN213957162U (en) | 2021-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022896157.0U Active CN213957162U (en) | 2020-12-04 | 2020-12-04 | Detection apparatus for cyanide content in waste liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213957162U (en) |
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2020
- 2020-12-04 CN CN202022896157.0U patent/CN213957162U/en active Active
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