CN116609494A - Detection device and detection method for rapidly detecting concentration of sodium hydroxide in liquid alkali - Google Patents
Detection device and detection method for rapidly detecting concentration of sodium hydroxide in liquid alkali Download PDFInfo
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- CN116609494A CN116609494A CN202310901022.4A CN202310901022A CN116609494A CN 116609494 A CN116609494 A CN 116609494A CN 202310901022 A CN202310901022 A CN 202310901022A CN 116609494 A CN116609494 A CN 116609494A
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 title claims abstract description 150
- 238000001514 detection method Methods 0.000 title claims abstract description 113
- 239000007788 liquid Substances 0.000 title claims abstract description 61
- 239000003513 alkali Substances 0.000 title claims description 34
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000005070 sampling Methods 0.000 claims description 131
- 239000011521 glass Substances 0.000 claims description 38
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 239000000243 solution Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000271 synthetic detergent Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a device and a method for quickly detecting the concentration of sodium hydroxide in liquid caustic soda, and belongs to the technical field of sodium hydroxide concentration detection.
Description
Technical Field
The invention belongs to the technical field of sodium hydroxide concentration detection, and particularly relates to a device and a method for rapidly detecting the concentration of sodium hydroxide in liquid alkali.
Background
Liquid caustic soda (liquid sodium hydroxide, also called caustic soda, caustic soda), liquid is sodium hydroxide aqueous solution with different content; solid white opaque, often made into tablets, bars, granules, or packaged in iron drums in the molten state; the liquid alkali is an important chemical basic raw material, has extremely wide application, and can be used for manufacturing formic acid, synthetic fatty acid, synthetic detergents and the like;
in the prior art, sodium hydroxide concentration in liquid alkali is detected, sampling is needed and the liquid alkali is brought into a laboratory for detection, no instant detection instrument is needed, and time is consumed for bringing liquid alkali samples obtained after industrial production into the laboratory for detection each time.
Disclosure of Invention
The invention aims to provide a device and a method for rapidly detecting the concentration of sodium hydroxide in liquid caustic soda, and aims to solve the problems that in the prior art, the concentration of sodium hydroxide in liquid caustic soda is detected, sampling is needed and the liquid caustic soda is brought into a laboratory for detection, an instant detection instrument is not needed, and the time consumption is caused by bringing liquid caustic soda sampling after industrial production into the laboratory for detection each time.
In order to achieve the above purpose, the present invention provides the following technical solutions:
detection device for rapidly detecting concentration of sodium hydroxide in liquid alkali, comprising:
the detecting device comprises a detecting device main body, first mounting grooves, a placing block and second mounting grooves, wherein two second mounting grooves are formed, the first mounting grooves are formed in the detecting device main body, the placing block is fixedly connected to the inner wall of the first mounting grooves, the two second mounting grooves are formed in one side end of the placing block, the two second mounting grooves are respectively matched with two glass sampling pipes, two second sampling channels are formed in the detecting device main body and are respectively connected with the two first sampling channels, two cross sliding grooves are formed in the detecting device main body and are respectively communicated with the two second sampling channels, and sampling pipes are fixedly connected in the two second sampling channels;
the connecting components are provided with two groups, the two groups of connecting components are arranged in the detection device main body, the two groups of connecting components are respectively connected with the two glass sampling pipes, each group of connecting components is provided with a clamping connector, the clamping connectors are slidably connected in the first sampling channel, and the clamping connectors are matched with the lower parts of the glass sampling pipes;
the sampling assembly is provided with two groups, and the two groups of sampling assemblies are respectively arranged in the two cross sliding grooves;
the detection pistons are provided with two groups, each group consists of a piston and a detector, the two groups of detection pistons are respectively connected in the two glass sampling tubes in a sliding mode, and the detection pistons are connected to the circumferential surface of the push plate in a sliding mode.
As a preferable scheme of the invention, detection pistons are slidably connected in the two glass sampling pipes, two first electric push rods are fixedly connected in the detection device main body, the extension ends of the two first electric push rods movably penetrate through the inner wall of one side of the first mounting groove and extend, and the extension ends of the two first electric push rods are fixedly connected with push plates.
As a preferable scheme of the invention, each group of connecting components comprises a clamping connector, a first sampling channel, an elastic groove and a spring, wherein the first sampling channel is arranged on one side inner wall of the first mounting groove, the elastic groove is arranged on one side inner wall of the first mounting groove, an annular plate is arranged on the circumferential surface of the clamping connector, one end of the spring is fixedly connected to the surface of the annular plate, and the other end of the spring is fixedly connected to the inner wall of the elastic groove.
As a preferable scheme of the invention, each group of sampling components comprises a sampling head, two sliding rods and two sliding blocks, wherein the two sliding rods are fixedly connected to the inner wall of the cross sliding groove, the sampling head is slidably connected in the cross sliding groove, the two sliding blocks are respectively fixedly connected to two side ends of the sampling head, the two sliding blocks are respectively slidably connected to the circumferential surfaces of the two sliding rods, and the sampling head is slidably connected to the circumferential surface of the sampling tube.
As a preferable scheme of the invention, the detection device main body is slidably connected with a placement cover plate, and the placement cover plate is matched with the two glass sampling tubes.
As a preferable scheme of the invention, the detection device main body is slidably connected with the placement cover plate, a calculation module is arranged in the detection device main body, a display screen and a plurality of keys are arranged on the surface of the detection device main body, the display screen and the plurality of keys are in signal connection with the calculation module, and the calculation module is in signal connection with two detection pistons.
As a preferable scheme of the invention, a calculation module is arranged in the detection device main body, two second electric push rods are fixedly connected in the detection device main body, the extension ends of the two second electric push rods respectively penetrate through the two cross sliding grooves in a movable mode and are respectively fixed with one side ends of the two sliding blocks, and a sealing cover is connected in a sliding mode in the detection device main body.
The detection method for rapidly detecting the concentration of sodium hydroxide in the alkali liquor comprises the following steps:
s1, an assembling device: firstly, two glass sampling tubes are installed in a detection device;
s2, sample preparation: sampling 250ml of liquid alkali with the production and preparation completed, and placing 250ml into a 500ml volumetric flask;
s3, measuring the content of sodium hydroxide: shaking up the liquid alkali sample liquid in the volumetric flask, operating the detection device, controlling one sampling head in the detection device to extend out of the detection device, sucking the sample liquid in the volumetric flask by the sampling head, sucking the sample liquid into a glass sampling tube, and detecting the sample liquid by a detection piston;
s4, calculating: the detection piston transmits the detection data to the calculation module, and the calculation module displays the calculation data through the display screen after the sodium hydroxide content is calculated.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the detection piston transmits detection data to the calculation module, and the calculation module displays calculation data by the display screen after the sodium hydroxide content is calculated; through using this device, sample to the liquid alkali that produces, use this device to liquid alkali sample and detect in real time, compare in traditional scheme, need sample and carry into the laboratory and detect, use this device effectively to save liquid alkali and send into the laboratory and detect required time, improve the sodium hydroxide concentration detection rate in the liquid alkali.
2. In the invention, after one sampling head samples, the other sampling head samples liquid alkali in the volumetric flask, the sample liquid is collected by the other glass sampling tube, the other detection piston sample liquid is detected, the detection data are also transmitted to the calculation module, the two times of data are compared, the error control is less than 0.01 percent, and the two times of data comparison are used for improving the detection accuracy.
3. According to the invention, one sliding block in each group of sampling components is connected with the second electric push rod, the second electric push rod drives the sliding block to slide on the surface of the sliding rod, the sliding block drives the sampling head to slide in the cross sliding groove, when the sampling head is used, the sealing cover is taken out from the lower part of the main body of the detection device, the sampling head is controlled to slide out of the cross sliding groove, the sampling head extends into the volumetric flask for sampling, the sampling head is used for sampling liquid alkali in real time, then the liquid alkali is detected, and the time required for detecting the liquid alkali in a laboratory is effectively saved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a first perspective view of a detection device according to the present invention;
FIG. 2 is a second perspective view of the detecting device of the present invention;
FIG. 3 is a cross-sectional view of a detection device according to the present invention;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 3;
FIG. 5 is an enlarged view of a portion of the invention at B in FIG. 3;
FIG. 6 is a front view of the detection device of the present invention;
FIG. 7 is a schematic view of the mounting structure of the sampling head according to the present invention;
fig. 8 is a block diagram of a detection flow structure of the present invention.
In the figure: 1. a detection device body; 2. a first mounting groove; 3. placing a block; 301. a second mounting groove; 302. placing a cover plate; 4. a glass sampling tube; 401. detecting a piston; 5. a first electric push rod; 501. a push plate; 6. a clamping joint; 7. a first sampling channel; 701. an elastic groove; 703. a spring; 8. a second sampling channel; 9. a sampling tube; 10. a cross chute; 11. a sampling head; 1101. a slide block; 12. a slide bar; 13. sealing cover; 14. a display screen; 15. and (5) a key.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides the following technical solutions: the device comprises a detection device main body 1, a first mounting groove 2, a placement block 3, a second mounting groove 301, connecting assemblies, sampling assemblies and a detection piston 401, wherein the two second mounting grooves 301 are formed in the detection device main body 1, the first mounting groove 2 is arranged in the detection device main body 1, the placement block 3 is fixedly connected to the inner wall of the first mounting groove 2, the two second mounting grooves 301 are formed in one side end of the placement block 3, the two second mounting grooves 301 are respectively matched with the two glass sampling tubes 4, two second sampling channels 8 are formed in the detection device main body 1, the two second sampling channels 8 are respectively connected with the two first sampling channels 7, two cross sliding grooves 10 are respectively formed in the detection device main body 1, the two cross sliding grooves 10 are respectively communicated with the two second sampling channels 8, the two second sampling channels 8 are respectively fixedly connected with a sampling 9, the connecting assemblies are respectively arranged in the detection device main body 1, the two groups of connecting assemblies are respectively connected with the two glass sampling tubes 4, each group of connecting assemblies is respectively provided with two clamping connectors 6, the two groups of the two sliding connectors are respectively connected with the two sampling channels 401, the two sliding connectors are respectively arranged in the two groups of the sliding connectors 6, the two sliding connectors are respectively arranged in the two sliding connectors 401, and the sliding connectors are respectively connected with the two sliding connectors 401.
In the specific embodiment of the invention, the device is used for detecting the concentration of sodium hydroxide in liquid alkali, a first mounting groove 2 formed in a detection device main body 1 is used for mounting a placement block 3, two glass sampling tubes 4 are mounted in the placement block 3 before the device is used, the lower part of a push plate 501 is T-shaped, when a detection piston 401 is connected with the push plate 501, the detection piston 401 slides on the T-shaped surface of the lower part of the push plate 501, the detection piston 401 is connected with the circumferential surface of the push plate 501 in a sliding manner, the detection piston 401 is driven to slide in the glass sampling tubes 4 by the movement of the push plate 501 in the first mounting groove 2, the push plate 501 drives the detection piston 401 to slide in the glass sampling tubes 4 when the push plate 501 is driven to move by the operation of a first electric push rod 5, at this time, the glass sampling tubes 4 and the detection piston 401 are similar to be used for discharging air in the glass sampling tubes 4 when the detection piston 401 slides downwards, then the detection piston 401 moves upwards in the glass sampling tubes 4, the liquid alkali glass sampling tubes 4 are composed of a piston and a detector, the detector is specially used for detecting the concentration of sodium hydroxide, and the concentration of sodium hydroxide is used for calculating the concentration of sodium hydroxide to be transmitted to a module; the first sampling channel 7 is communicated with the clamping connector 6, the second sampling channel 8 is communicated with the first sampling channel 7, the sampling tube 9 is fixed on the circumferential inner wall of the second sampling channel 8, liquid alkali extracted by the sampling head 11 sequentially passes through the sampling head 11, the sampling tube 9, the second sampling channel 8, the first sampling channel 7 and the clamping connector 6 and then enters the glass sampling tube 4, after the sampling of one sampling head 11 is completed, the liquid alkali in the volumetric flask is sampled by the other sampling head 11, the sample liquid is collected by the other glass sampling tube 4, the sample liquid of the other detection piston 401 is detected, the detection data is also transmitted to the calculation module, the comparison of the two times is carried out, the error control is less than 0.01 percent, and the comparison of the two times of calculation data is used for improving the accuracy rate of the detection.
Referring to fig. 1-8, two first electric push rods 5 are fixedly connected in the detection device main body 1, and extension ends of the two first electric push rods 5 movably penetrate through an inner wall of one side of the first mounting groove 2 and extend, and push plates 501 are fixedly connected to extension ends of the two first electric push rods 5.
In this embodiment: the first electric push rod 5 drives the push plate 501 connected with the extension end to slide in the first mounting groove 2 during operation, and the push plate 501 drives the detection piston 401 to slide in the glass sampling tube 4.
Referring to fig. 1-8 specifically, two sets of connection assemblies are disposed in a detection device main body 1, the two sets of connection assemblies are respectively connected with two glass sampling tubes 4, each set of connection assemblies includes a clamping head 6, a first sampling channel 7, an elastic groove 701 and a spring 703, the first sampling channel 7 is disposed on an inner wall of one side of the first mounting groove 2, the clamping head 6 is slidably connected in the first sampling channel 7, the clamping head 6 is matched with a lower portion of the glass sampling tube 4, the elastic groove 701 is disposed on an inner wall of one side of the first mounting groove 2, an annular plate is disposed on a circumferential surface of the clamping head 6, one end of the spring 703 is fixedly connected to a surface of the annular plate, and the other end of the spring 703 is fixedly connected to an inner wall of the elastic groove 701.
In this embodiment: when the lower part of the glass sampling tube 4 is in butt joint with the clamping connector 6, the annular plate arranged on the surface of the clamping connector 6 is pushed by the elastic force of the spring 703, and the annular plate drives the clamping connector 6 to be tightly connected with the glass sampling tube 4.
Referring to fig. 1-8, sampling components are disposed in two cross sliding grooves 10, each set of sampling components includes a sampling head 11, sliding rods 12 and sliding blocks 1101, the sliding rods 12 and the sliding blocks 1101 are both disposed two, the two sliding rods 12 are fixedly connected to the inner wall of the cross sliding groove 10, the sampling head 11 is slidably connected in the cross sliding groove 10, the two sliding blocks 1101 are fixedly connected to two side ends of the sampling head 11, the two sliding blocks 1101 are slidably connected to the circumferential surfaces of the two sliding rods 12, and the sampling head 11 is slidably connected to the circumferential surface of the sampling tube 9.
In this embodiment: one slider 1101 in each group of sampling components is connected with a second electric push rod, the second electric push rod drives the slider 1101 to slide on the surface of the slide rod 12, the slider 1101 drives the sampling head 11 to slide in the cross chute 10, when the sampling head 11 is used, the sealing cover 13 is taken out from the lower part of the main body 1 of the detection device, the sampling head 11 is controlled to slide out of the cross chute 10, and the sampling head 11 is stretched into a volumetric flask for sampling.
Referring to fig. 1 to 8, a cover plate 302 is slidably connected to the main body 1 of the detection device, and the cover plate 302 is matched with the two glass sampling tubes 4.
In this embodiment: the placing cover plate 302 is slidably connected with the detection device main body 1, after the placing cover plate 302 is taken out from the detection device main body 1, the glass sampling tube 4 is installed and detached at the moment, after the installation and the detachment are completed, the placing cover plate 302 is slid into the detection device main body 1, a certain friction force is arranged between the placing cover plate 302 and the detection device main body 1, and when the placing cover plate 302 is slid into the detection device main body 1 or the placing cover plate 302 is taken out from the detection device main body 1, the placing cover plate 302 can slide by overcoming a certain friction force.
Referring to fig. 1-8, a computing module is disposed in a detecting device main body 1, a display screen 14 and a plurality of keys 15 are disposed on the surface of the detecting device main body 1, the display screen 14 and the plurality of keys 15 are connected with the computing module in a signal manner, and the computing module is connected with two detecting pistons 401 in a signal manner.
In this embodiment: the detection piston 401 transmits the sodium hydroxide concentration data sampled in the glass sampling tube 4 to a calculation module, the calculation module calculates the percentage of sodium hydroxide in the sample liquid, the concentration of sodium hydroxide is calculated, the concentration data is displayed by the display screen 14, the calculation module is respectively connected with the first electric push rod 5 and the second electric push rod and controls the operation of the first electric push rod 5 and the second electric push rod, and the key 15 controls the operation of the first electric push rod 5 and the second electric push rod through the calculation module.
Referring to fig. 1-8, two second electric push rods are fixedly connected in the detection device main body 1, and extension ends of the two second electric push rods respectively penetrate through the two cross sliding grooves 10 and are respectively fixed with one side ends of two sliding blocks 1101, and a sealing cover 13 is slidably connected in the detection device main body 1.
In this embodiment: the second electric push rod drives the sliding block 1101 connected with the extension end to slide on the surface of the sliding rod 12 when in operation, the sliding block 1101 controls the sampling head 11 to slide in the cross sliding chute 10, the sealing cover 13 is connected in the detection device main body 1 in a sliding manner, a certain friction force is arranged between the sealing cover 13 and the detection device main body 1, and the sealing cover 13 is installed and detached after the friction force is overcome.
What needs to be explained is: the first electric putter 5, the second electric putter, the detection piston 401, the calculation module, the display 14 and the key 15 of which type is specifically used are selected by the related person who is familiar with the art, and the above technical solutions are not repeated, as to the first electric putter 5, the second electric putter, the detection piston 401, the calculation module, the display 14 and the key 15.
The working principle and the using flow of the invention are as follows: when the device is used, firstly, two glass sampling tubes 4 are arranged in a detection device; subsequently, 250ml of the liquid alkali which is produced and prepared is sampled, and 250ml of the liquid alkali is placed in a 500ml volumetric flask; shaking the liquid alkali sample in the volumetric flask uniformly, operating the detection device, controlling one sampling head 11 in the detection device to extend out of the detection device, sucking the sample liquid in the volumetric flask by the sampling head 11, sucking the sample liquid into the glass sampling tube 4, and detecting the sample liquid by the detection piston 401; the detection piston 401 transmits the detection data to a calculation module, and the calculation module displays the calculation data by the display screen 14 after the sodium hydroxide content is calculated; by using the device, the produced liquid alkali is sampled, the liquid alkali is sampled and detected in real time by using the device, and the time required by the liquid alkali to be sent into a laboratory for detection is effectively saved.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Detect detection device of sodium hydroxide concentration in liquid alkali fast, its characterized in that includes:
the detecting device comprises a detecting device main body (1), a first mounting groove (2), a placing block (3) and a second mounting groove (301), wherein two second mounting grooves (301) are formed in the detecting device main body (1), the first mounting groove (2) is formed in the detecting device main body (1), the placing block (3) is fixedly connected to the inner wall of the first mounting groove (2), the two second mounting grooves (301) are formed in one side end of the placing block (3), the two second mounting grooves (301) are respectively matched with two glass sampling pipes (4), two second sampling channels (8) are formed in the detecting device main body (1), the two second sampling channels (8) are respectively connected with the two first sampling channels (7), two cross sliding grooves (10) are formed in the detecting device main body (1), the two cross sliding grooves (10) are respectively communicated with the two second sampling channels (8), and sampling pipes (9) are respectively and fixedly connected in the two second sampling channels (8);
the connecting components are provided with two groups, the two groups of connecting components are arranged in the detection device main body (1), the two groups of connecting components are respectively connected with the two glass sampling pipes (4), each group of connecting components is provided with a clamping connector (6), the clamping connectors (6) are slidably connected in the first sampling channel (7), and the clamping connectors (6) are matched with the lower parts of the glass sampling pipes (4);
the sampling assembly is provided with two groups, and the two groups of sampling assemblies are respectively arranged in the two cross sliding grooves (10); and
the detection piston (401) is provided with two groups, each group consists of a piston and a detector, the two groups of detection pistons (401) are respectively and slidably connected in the two glass sampling tubes (4), and the detection pistons (401) are slidably connected on the circumferential surface of the push plate (501).
2. The device for rapidly detecting the concentration of sodium hydroxide in liquid caustic soda according to claim 1, wherein: two first electric putter (5) of fixedly connected with in detection device main part (1), two the extension end of first electric putter (5) all activity runs through one side inner wall of first mounting groove (2) and extends, two the extension end of first electric putter (5) all fixedly connected with push pedal (501).
3. The device for rapidly detecting the concentration of sodium hydroxide in liquid caustic soda according to claim 2, wherein: every group coupling assembling all includes joint (6), first sampling channel (7), elastic groove (701) and spring (703), first sampling channel (7) are seted up in one side inner wall of first mounting groove (2), elastic groove (701) are seted up in one side inner wall of first mounting groove (2), the circumference surface of joint (6) is equipped with the annular plate, the one end fixed connection of spring (703) is in the surface of annular plate, the other end fixed connection of spring (703) is in the inner wall of elastic groove (701).
4. The device for rapidly detecting the concentration of sodium hydroxide in liquid caustic soda according to claim 3, wherein: every group sampling assembly all includes sample head (11), slide bar (12) and slider (1101) all are equipped with two, two slide bar (12) all fixed connection is in the inner wall of cross spout (10), sample head (11) sliding connection is in cross spout (10), two slider (1101) are fixed connection respectively in two lateral ends of sample head (11), two slider (1101) are sliding connection respectively in the circumference surface of two slide bars (12), sample head (11) sliding connection is in the circumference surface of sampling tube (9).
5. The device for rapidly detecting the concentration of sodium hydroxide in liquid caustic soda according to claim 4, wherein: the detection device is characterized in that a placing cover plate (302) is connected in a sliding mode in the detection device main body (1), and the placing cover plate (302) is matched with the two glass sampling tubes (4).
6. The device for rapidly detecting the concentration of sodium hydroxide in liquid caustic soda according to claim 5, wherein: the detection device is characterized in that a calculation module is arranged in the detection device main body (1), a display screen (14) and a plurality of keys (15) are arranged on the surface of the detection device main body (1), the display screen (14) and the keys (15) are connected with the calculation module in a signal mode, and the calculation module is connected with two detection pistons (401) in a signal mode.
7. The device for rapidly detecting the concentration of sodium hydroxide in liquid caustic soda according to claim 6, wherein: two second electric push rods are fixedly connected in the detection device main body (1), the extension ends of the two second electric push rods respectively penetrate through the two cross sliding grooves (10) in a movable mode and are respectively fixed with one side ends of two sliding blocks (1101), and a sealing cover (13) is connected in a sliding mode in the detection device main body (1).
8. A method for rapidly detecting the concentration of sodium hydroxide in an alkali liquor, using the device for rapidly detecting the concentration of sodium hydroxide in an alkali liquor according to any one of claims 1 to 7, comprising the steps of:
s1, an assembling device: firstly, two glass sampling tubes are installed in a detection device;
s2, sample preparation: sampling 250ml of liquid alkali with the production and preparation completed, and placing 250ml into a 500ml volumetric flask;
s3, measuring the content of sodium hydroxide: shaking up the liquid alkali sample liquid in the volumetric flask, operating the detection device, controlling one sampling head in the detection device to extend out of the detection device, sucking the sample liquid in the volumetric flask by the sampling head, sucking the sample liquid into a glass sampling tube, and detecting the sample liquid by a detection piston;
s4, calculating: the detection piston transmits the detection data to the calculation module, and the calculation module displays the calculation data through the display screen after the sodium hydroxide content is calculated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310901022.4A CN116609494A (en) | 2023-07-21 | 2023-07-21 | Detection device and detection method for rapidly detecting concentration of sodium hydroxide in liquid alkali |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310901022.4A CN116609494A (en) | 2023-07-21 | 2023-07-21 | Detection device and detection method for rapidly detecting concentration of sodium hydroxide in liquid alkali |
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| CN116609494A true CN116609494A (en) | 2023-08-18 |
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| CN202310901022.4A Pending CN116609494A (en) | 2023-07-21 | 2023-07-21 | Detection device and detection method for rapidly detecting concentration of sodium hydroxide in liquid alkali |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209215358U (en) * | 2018-10-31 | 2019-08-06 | 苏州国环环境检测有限公司 | A kind of universal water monitoring device |
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| CN209911050U (en) * | 2019-05-06 | 2020-01-07 | 韩云霞 | Specimen sampling tube for medical examination |
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