CN214553569U - On-line pH value measuring and sampling device for dye synthesis - Google Patents
On-line pH value measuring and sampling device for dye synthesis Download PDFInfo
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- CN214553569U CN214553569U CN202120755942.6U CN202120755942U CN214553569U CN 214553569 U CN214553569 U CN 214553569U CN 202120755942 U CN202120755942 U CN 202120755942U CN 214553569 U CN214553569 U CN 214553569U
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Abstract
The utility model discloses an on-line pH value measuring and sampling device for dye synthesis, which comprises a reaction kettle, a sampling mechanism, a pH measuring mechanism and a mixing mechanism; one side of the reaction kettle is communicated with one side of the sampling mechanism, and a uniformly mixing mechanism is inserted and connected in the center of the top of the reaction kettle; the utility model can effectively and accurately monitor the change of the pH value of the material in the dye production process continuously through the sampling mechanism and the pH measuring mechanism, thereby reducing the labor intensity of workers; meanwhile, the method can be compared with the result of the acquisition and analysis of the sampling port to correct the error, so that the large loss of production caused by online monitoring faults is avoided; the lower part of the sampling port is provided with the sample receiving hopper and communicated with the reaction kettle, so that the sampling material can be effectively recovered, and the loss and pollution of the material caused by frequent sampling in the production process are reduced.
Description
Technical Field
The utility model relates to a chemical industry technical field specifically is a be used for synthetic online pH value of dyestuff to measure and sampling device.
Background
In recent years, the rapid development of chemical industry in China, particularly the production of fine chemicals such as dyes and the like, needs to monitor the state of each material in time, when the materials are subjected to the processes of synthesis, reaction, concentration, acidification, leaching and the like, the technological parameters of the reaction system in each process need to be monitored, but because the production site environment is complex, toxic and harmful materials such as high temperature, high pressure, strong acid, strong alkali and the like exist, the direct and rapid sampling can not be realized, the feedback of the detection data is delayed, the production operation adjustment is influenced, further causing the phenomena of unstable or unqualified product quality to occur occasionally, the prior dye synthesis device has a plurality of inconveniences for the sampling operation of the intermediate product in the processing process, the sampling quantity is not easy to control, after the sample is discharged, sample residues are still stored in the sampler, the sample is not easy to disassemble and clean, the sampling quality is influenced, and material pollution and waste in the reaction kettle are easily caused.
In the dye production process, partial procedures need to strictly control the pH value of a production system, and continuous online monitoring is mainstream configuration of most manufacturers at present, but the existing device mainly directly installs a pH meter on a main pipeline of a production process, and the online monitoring method has the obvious defect that the pH meter is difficult to disassemble and clean, so that the maintenance and overhaul cost is greatly increased; and because the dirt in the produced materials of the pH meter is attached to the probe, the online accurate detection of the pH value cannot be realized, so that the acid-base control is difficult to be carried out in time, side reactions in the dye manufacturing procedure are caused, the quality of the product is influenced, the equipment is corroded to a certain extent, and potential safety and environmental protection risks exist.
Although being equipped with online pH value measuring device in the current dyestuff production, but failing to set up simple and convenient sampling device, if on-line monitoring trouble, the pH value situation of material changes in the very difficult effective accurate continuous monitoring dyestuff production process, can not in time compare and rectify a deviation, causes very big loss to production.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be used for synthetic online pH value of dyestuff to measure and sampling device, with the pH value change condition of the difficult effective accurate continuous monitoring dyestuff production in-process material of current dyestuff synthesizer who proposes in solving above-mentioned background art, the washing difficulty is dismantled to the pH meter, the online accurate detection of unable realization pH, consequently, be difficult to in time carry out acid-base control, cause the side reaction to take place in the dyestuff manufacturing process, influence the quality of product, and cause equipment corrosion to a certain extent, there are latent safety and environmental protection risk and sample frequently and cause the loss of material and the problem of pollution.
In order to achieve the above object, the utility model provides a following technical scheme: an on-line pH value measuring and sampling device for dye synthesis comprises a reaction kettle, a sampling mechanism, a pH measuring mechanism and a uniformly mixing mechanism;
one side of the reaction kettle is communicated with one side of the sampling mechanism, and a uniformly mixing mechanism is inserted and connected in the center of the top of the reaction kettle; the top of the sampling mechanism is connected with a pH measuring mechanism, and the bottom of the pH measuring mechanism is fixedly communicated with one end of the top of the reaction kettle; the sampling mechanism comprises a circulating pump, a circulating pipeline inlet valve, a pH measuring electrode three-way pipe fitting, a sampling port, a circulating pipeline outlet valve, a sample receiving return pipeline three-way pipe fitting, a sample receiving funnel and a sample receiving funnel return valve; the water inlet of the circulating pump is fixedly communicated with a first circulating pipeline, one end of the first circulating pipeline is fixedly communicated with a circulating pipeline inlet valve, the water outlet of the circulating pump is fixedly communicated with a second circulating pipeline, one end of the second circulating pipeline is fixedly communicated with a bottom port of a three-way pipe fitting of a pH measuring electrode, a side port of the three-way pipe fitting of the pH measuring electrode is fixedly communicated with one end of a third circulating pipeline, the middle of the third circulating pipeline is fixedly communicated with a sampling port through a manual valve, the bottom end of the third circulating pipeline is fixedly communicated with a circulating pipeline outlet valve, the bottom end of the circulating pipeline outlet valve is fixedly communicated with a fourth circulating pipeline, the middle of the fourth circulating pipeline is fixedly communicated with a sample receiving funnel return valve through a short pipe, and the top end of the sample receiving funnel return valve is fixedly communicated with a sample receiving funnel.
Preferably, the pH measuring mechanism comprises an intelligent instrument controller, an instrument connecting wire and a pH measuring electrode; the intelligent instrument controller is fixedly connected with a pH measuring electrode through an instrument connecting wire, and the bottom end of the pH measuring electrode is communicated with the top end of a three-way pipe fitting of the pH measuring electrode.
Preferably, the blending mechanism comprises a rotating motor and a blending part; the output end of the rotating motor penetrates through the reaction kettle and is fixedly connected with a mixing piece.
Preferably, the sampling port is arranged corresponding to the sample receiving funnel.
Preferably, the circulating pump is in the form of a magnetic pump, a canned motor pump, a centrifugal pump, a screw pump, a gear pump, a plunger pump or a diaphragm pump.
Compared with the prior art, the beneficial effects of the utility model are that: through the sampling mechanism and the pH measuring mechanism, the change situation of the pH value of the material in the dye production process can be effectively and accurately monitored continuously, and the labor intensity of workers is reduced; meanwhile, the method can be compared with the result of the acquisition and analysis of the sampling port to correct the error, so that the large loss of production caused by online monitoring faults is avoided; the lower part of the sampling port is provided with the sample receiving hopper and communicated with the reaction kettle, so that the sampling material can be effectively recovered, and the loss and pollution of the material caused by frequent sampling in the production process are reduced.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic structural view of the sampling mechanism of the present invention;
FIG. 3 is a schematic structural view of the pH measuring mechanism of the present invention;
fig. 4 is the structure schematic diagram of the blending mechanism of the present invention.
In the figure: 1. a reaction kettle; 2. a sampling mechanism; 21. a circulation pump; 22. a recycle line inlet valve; 23. a pH measuring electrode tee pipe fitting; 24. a sampling port; 25. a recycle line outlet valve; 26. a sample receiving return pipeline tee pipe fitting; 27. a sample receiving funnel; 28. a sample receiving funnel reflux valve; 3. a pH measuring mechanism; 31. an intelligent meter controller; 32. an instrument connecting wire; 33. a pH measuring electrode; 4. a blending mechanism; 41. rotating the motor; 42. and (5) uniformly mixing the components.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an on-line pH value measuring and sampling device for dye synthesis comprises a reaction kettle 1, a sampling mechanism 2, a pH measuring mechanism 3 and a uniformly mixing mechanism 4; one side of the reaction kettle 1 is communicated with one side of the sampling mechanism 2, and the top center of the reaction kettle 1 is connected with a uniformly mixing mechanism 4 in an inserting way; the top of the sampling mechanism 2 is connected with a pH measuring mechanism 3, and the bottom of the pH measuring mechanism 3 is fixedly communicated with one end of the top of the reaction kettle 1; the sampling mechanism 2 comprises a circulating pump 21, a circulating pipeline inlet valve 22, a pH measuring electrode tee pipe 23, a sampling port 24, a circulating pipeline outlet valve 25, a sample receiving return pipeline tee pipe 26, a sample receiving funnel 27 and a sample receiving funnel return valve 28; the water inlet of the circulating pump 21 is fixedly communicated with a first circulating pipeline, one end of the first circulating pipeline is fixedly communicated with a circulating pipeline inlet valve 22, the water outlet of the circulating pump 21 is fixedly communicated with a second circulating pipeline, one end of the second circulating pipeline is fixedly communicated with a port at the bottom of the three-way pipe fitting 23 for the pH measuring electrode, a port at the side face of the three-way pipe fitting 23 for the pH measuring electrode is fixedly communicated with one end of a third circulating pipeline, the middle of the third circulating pipeline is fixedly communicated with a sampling port 24 through a manual valve, the bottom of the third circulating pipeline is fixedly communicated with a circulating pipeline outlet valve 25, the bottom of the circulating pipeline outlet valve 25 is fixedly communicated with a fourth circulating pipeline, the middle of the fourth circulating pipeline is fixedly communicated with a sample receiving funnel return valve 28 through a short pipe, and the top of the sample receiving funnel return valve 28 is fixedly communicated with a sample receiving funnel 27.
Referring to fig. 1 and 2, the pH measuring mechanism 3 includes an intelligent meter controller 31, a meter connection line 32, and a pH measuring electrode 33; the intelligent instrument controller 31 is fixedly connected with a pH measuring electrode 33 through an instrument connecting wire 32, the bottom end of the pH measuring electrode 33 is communicated with the top end of the pH measuring electrode three-way pipe fitting 23, the pH measuring electrode 33 detects materials, and data are reflected on the intelligent instrument controller 31.
Referring to fig. 1 and 4, the kneading mechanism 4 includes a rotating motor 41 and a kneading member 42; the output end of the rotating motor 41 penetrates through the blending part 42 fixedly connected with the reaction kettle 1, and the blending part 42 mixes and stirs the dye in the reaction kettle 1, so that the production process is smoother.
Referring to fig. 1 and 2, sample connection 24 with connect appearance funnel 27 to correspond the setting, can effectively retrieve the sample material through connecing appearance funnel 27, the sample is simple and convenient more, effectively avoids in sample connection 24 and the reation kettle 1 material contact to cause material pollution and waste, the effective control material balance, pH measuring electrode 33 easily dismantles to can wash at any time, advantages such as suitability is strong.
Referring to fig. 1, the circulating pump 21 is a magnetic pump, a canned motor pump, a centrifugal pump, a screw pump, a gear pump, a plunger pump, or a diaphragm pump, and has various types and convenient use.
When the device is used, the circulating pump 21 is opened, the circulating pump 21 pumps a material to be detected out of the reaction kettle 1, the material is sent into the pH measuring electrode tee pipe 23, the material is accurately detected in the online pH value by the pH measuring electrode 33, the change of the pH value of the material in the dye production process can be effectively and accurately monitored continuously, the labor intensity is reduced, the manual valve is opened, a sample is taken out from the sampling port 24, the residual material is returned to the reaction kettle 1 through the sample receiving funnel 27, the sample receiving funnel 27 is arranged at the lower part of the sampling port 24 and communicated with the reaction kettle 1, the sampled material can be effectively recovered, and the loss and pollution of the material caused by frequent sampling in the production process are reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An on-line pH value measuring and sampling device for dye synthesis is characterized in that: comprises a reaction kettle (1), a sampling mechanism (2), a pH measuring mechanism (3) and a uniformly mixing mechanism (4);
one side of the reaction kettle (1) is communicated with one side of the sampling mechanism (2), and a uniformly mixing mechanism (4) is inserted and connected in the center of the top of the reaction kettle (1);
the top of the sampling mechanism (2) is connected with a pH measuring mechanism (3), and the bottom of the pH measuring mechanism (3) is fixedly communicated with one end of the top of the reaction kettle (1);
the sampling mechanism (2) comprises a circulating pump (21), a circulating pipeline inlet valve (22), a pH measuring electrode three-way pipe (23), a sampling port (24), a circulating pipeline outlet valve (25), a sample receiving return pipeline three-way pipe (26), a sample receiving funnel (27) and a sample receiving funnel return valve (28);
a first circulating pipeline is fixedly communicated with a water inlet of the circulating pump (21), a circulating pipeline inlet valve (22) is fixedly communicated with one end of the first circulating pipeline, a water outlet of the circulating pump (21) is fixedly communicated with a second circulating pipeline, one end of the second circulating pipeline is fixedly communicated with a bottom port of the pH measuring electrode three-way pipe fitting (23), the side port of the pH measuring electrode tee pipe fitting (23) is fixedly communicated with one end of a third circulating pipeline, the middle part of the third circulating pipeline is fixedly communicated with a sampling port (24) through a manual valve, the bottom end of the third circulating pipeline is fixedly communicated with a circulating pipeline outlet valve (25), a fourth circulating pipeline is fixedly communicated with the bottom end of the circulating pipeline outlet valve (25), the middle part of the fourth circulating pipeline is fixedly communicated with a sample receiving funnel backflow valve (28) through a short pipe, the top end of the sample receiving funnel reflux valve (28) is fixedly communicated with a sample receiving funnel (27).
2. The on-line pH value measuring and sampling device for dye synthesis according to claim 1, wherein: the pH measuring mechanism (3) comprises an intelligent instrument controller (31), an instrument connecting wire (32) and a pH measuring electrode (33);
the intelligent instrument controller (31) is fixedly connected with a pH measuring electrode (33) through an instrument connecting wire (32), and the bottom end of the pH measuring electrode (33) is communicated with the top end of a pH measuring electrode three-way pipe (23).
3. The on-line pH value measuring and sampling device for dye synthesis according to claim 1, wherein: the blending mechanism (4) comprises a rotating motor (41) and a blending part (42);
the output end of the rotating motor (41) penetrates through the reaction kettle (1) and is fixedly connected with a uniformly mixing part (42).
4. The on-line pH value measuring and sampling device for dye synthesis according to claim 1, wherein: the sampling port (24) is arranged corresponding to the sample receiving funnel (27).
5. The on-line pH value measuring and sampling device for dye synthesis according to claim 1, wherein: the circulating pump (21) is a magnetic pump, a canned motor pump, a centrifugal pump, a screw pump, a gear pump, a plunger pump or a diaphragm pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120755942.6U CN214553569U (en) | 2021-04-13 | 2021-04-13 | On-line pH value measuring and sampling device for dye synthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120755942.6U CN214553569U (en) | 2021-04-13 | 2021-04-13 | On-line pH value measuring and sampling device for dye synthesis |
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| CN214553569U true CN214553569U (en) | 2021-11-02 |
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| CN202120755942.6U Active CN214553569U (en) | 2021-04-13 | 2021-04-13 | On-line pH value measuring and sampling device for dye synthesis |
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2021
- 2021-04-13 CN CN202120755942.6U patent/CN214553569U/en active Active
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