CN214151512U - PH value sampling detection device - Google Patents
PH value sampling detection device Download PDFInfo
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- CN214151512U CN214151512U CN202023351981.4U CN202023351981U CN214151512U CN 214151512 U CN214151512 U CN 214151512U CN 202023351981 U CN202023351981 U CN 202023351981U CN 214151512 U CN214151512 U CN 214151512U
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Abstract
The utility model discloses a PH value sampling detection device, which comprises an electric three-way valve, a detection pipe section, a mixing tank, a liquid outlet pipe section and a liquid supply pipe section; one end of the liquid outlet pipe section is connected with an inlet of the electric three-way valve, one end of the liquid supply pipe section is connected with a first outlet of the electric three-way valve, and one end of the detection pipe section is connected with a second outlet of the electric three-way valve; a PH detection device is arranged on the detection pipe section, the upper part of the mixing tank is connected with the other end of the detection pipe section, and the bottom of the mixing tank is connected with the other end of the liquid outlet pipe section; the mixing tank is also connected with a neutralizing acid tank through a neutralizing pipe section; a centrifugal pump is arranged on the liquid outlet pipe section; the liquid supply pipe section is used for supplying liquid dye to the dye vat. Adopt the utility model discloses, can realize the automated inspection and the control of dye liquor pH value, detect accurately, use manpower sparingly.
Description
Technical Field
The utility model relates to a fabric dyeing equipment field especially relates to a PH value sampling detection device.
Background
In the printing and dyeing industry, powdered dye needs to be dissolved into liquid dye so as to carry out fabric dyeing work. The existing alkaline dye solution needs to be neutralized by adding an acidic material according to the pH value of the dye solution so as to obtain the dye solution with the corresponding pH value. The existing pH value detection method is to manually sample and detect the dye solution and add a neutralization solution with a corresponding volume according to the detection result. The method has complicated process, and because of the influence of the reaction speed of the dye solution and the like, the dye with the preset pH value can be obtained by frequently detecting and adding liquid, the method depends on personal experience seriously, the dye solution blending process is long, and the production efficiency is influenced.
Disclosure of Invention
The utility model discloses a solve the technical problem of the PH value control difficulty of current dye liquor, provide a PH value sampling detection device, realize the automated inspection and the control of dye liquor PH value, detect accurately, use manpower sparingly.
In order to solve the technical problem, the utility model provides a PH value sampling detection device, which comprises an electric three-way valve, a detection pipe section, a mixing tank, a liquid outlet pipe section and a liquid supply pipe section; one end of the liquid outlet pipe section is connected with an inlet of the electric three-way valve, one end of the liquid supply pipe section is connected with a first outlet of the electric three-way valve, and one end of the detection pipe section is connected with a second outlet of the electric three-way valve; a PH detection device is arranged on the detection pipe section, the upper part of the mixing tank is connected with the other end of the detection pipe section, and the bottom of the mixing tank is connected with the other end of the liquid outlet pipe section; the mixing tank is also connected with a neutralizing acid tank through a neutralizing pipe section; a centrifugal pump is arranged on the liquid outlet pipe section; the liquid supply pipe section is used for supplying liquid dye to the dye vat.
As an improvement of the scheme, the liquid outlet pipe section is also connected with a sewage discharge pipe.
As an improvement of the above scheme, the detection pipe section comprises a vertical liquid supply pipe, a horizontal detection pipe and a vertical liquid return pipe; the PH detection device is arranged on the transverse detection pipe, and the height of the transverse detection pipe is higher than that of the connecting position of the vertical liquid return pipe and the mixing tank.
As an improvement of the scheme, the electric three-way valve can switch the device between a dye liquor acidity adjusting state and a dye liquor output state, and when the device is in the dye liquor acidity adjusting state, an inlet of the electric three-way valve is communicated with a second outlet; when the dye liquor is in a dye liquor output state, the inlet of the electric three-way valve is communicated with the first outlet.
As an improvement of the scheme, the mixing tank is arranged on the support, and the height of the mixing tank is higher than that of the liquid outlet pipe section.
As an improvement of the scheme, the centrifugal pump is connected with a frequency converter, and the frequency converter can control the rotating speed of the centrifugal pump according to the detection data of the PH detection device.
Implement the utility model discloses, following beneficial effect has:
by adopting the scheme, the automatic detection and control of the pH value of the dye liquor can be realized, the detection is accurate, and the labor is saved.
Drawings
Fig. 1 is a schematic structural diagram of the PH value sampling and detecting device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.
As shown in fig. 1, the embodiment of the present invention provides a PH value sampling and detecting device, which includes an electric three-way valve 1, a detecting pipe section 2, a mixing tank 3, a liquid outlet pipe section 4 and a liquid supply pipe section 5; one end of the liquid outlet pipe section 4 is connected with an inlet 13 of the electric three-way valve 1, one end of the liquid supply pipe section 5 is connected with a first outlet 11 of the electric three-way valve 1, and one end of the detection pipe section 2 is connected with a second outlet 12 of the electric three-way valve 1; a PH detection device 6 is arranged on the detection pipe section 2, the upper part of the mixing tank 3 is connected with the other end of the detection pipe section 2, and the bottom part of the mixing tank is connected with the other end of the liquid outlet pipe section 4; the mixing tank 3 is also connected with a neutralizing acid tank (not shown in the figure) through a neutralizing pipe section 7; a centrifugal pump 8 is arranged on the liquid outlet pipe section 4; the liquid supply pipe section 5 is used for supplying liquid dye liquid for the dye vat.
Preferably, a drain pipe 41 is further connected to the liquid outlet pipe section 4. The detection pipe section 2 comprises a vertical liquid supply pipe 21, a transverse detection pipe 22 and a vertical liquid return pipe 23; the PH detection device 6 is arranged on the transverse detection pipe 22, and the height of the transverse detection pipe 22 is higher than that of the connecting position of the vertical liquid return pipe 23 and the mixing tank 3. By adopting the structure, after no new dye liquor is introduced into the detection pipe section 2, the dye liquor in the detection pipe section 2 automatically and slowly flows into the mixing tank 3 under the action of gravity, so that the influence on the detection result caused by the stop of the dye liquor at the PH detection device 6 is avoided.
The electric three-way valve 1 can switch the device between a dye liquor acidity adjusting state and a dye liquor output state, and when the device is in the dye liquor acidity adjusting state, an inlet 13 of the electric three-way valve 1 is communicated with a second outlet 12; when in the dye liquor output state, the inlet 13 of the electric three-way valve 1 is communicated with the first outlet 11.
Preferably, the mixing tank 3 is arranged on the bracket 31, and the height of the mixing tank 3 is higher than that of the liquid outlet pipe section 4.
In order to realize intelligent control of the pH value of the dye liquor, the centrifugal pump 8 is connected with a frequency converter (not shown in the figure), and the frequency converter can control the rotating speed of the centrifugal pump 8 according to the detection data of the pH detection device 6. When the PH value obtained by the PH detection device 6 deviates from the preset value too much, the frequency converter accelerates the rotating speed of the centrifugal pump 8 and accelerates the circulation of the dye liquor in the mixing tank 3, so that the dye liquor is contacted with more neutralizing liquor; when the PH value obtained by the PH detection device 6 is close to the preset value, the frequency converter slows down the rotating speed of the centrifugal pump 8 and the circulation of the dye liquor in the mixing tank 3, so that the PH value of the dye liquor is stabilized within a certain range.
The working principle of the device is as follows: the PH detection device 6 detects the PH value of the dye liquor flowing through, when the deviation value is greater than a preset value, the electric three-way valve 1 is in a dye liquor acidity regulation state, and an inlet 13 of the electric three-way valve 1 is communicated with a second outlet 12; the centrifugal pump 8 feeds the liquid in the mixing tank 3 into the top of the mixing tank 3 again through the detection pipe section 2, and the impact force flowing in through the centrifugal pump is mixed with the acid solution introduced from the neutralization acid tank in the mixing tank 3.
The PH detection device 6 continuously detects the PH value of the dye liquor flowing through, and when the deviation value is smaller than a preset value and the dye liquor is in a dye liquor output state, an inlet 13 of the electric three-way valve 1 is communicated with a first outlet 11; the dye liquor in the mixing tank 3 is conveyed to the subsequent process flow through a liquor outlet pipe section 4. When the dye liquor in the mixing tank 3 is less than the preset value, new dye liquor is added into the mixing tank 3 again.
By adopting the scheme, the automatic detection and control of the pH value of the dye liquor can be realized, the detection is accurate, and the labor is saved.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the invention, and these modifications and decorations are also regarded as the protection scope of the present invention.
Claims (6)
1. A PH value sampling detection device is characterized by comprising an electric three-way valve, a detection pipe section, a mixing tank, a liquid outlet pipe section and a liquid supply pipe section; one end of the liquid outlet pipe section is connected with an inlet of the electric three-way valve, one end of the liquid supply pipe section is connected with a first outlet of the electric three-way valve, and one end of the detection pipe section is connected with a second outlet of the electric three-way valve; a PH detection device is arranged on the detection pipe section, the upper part of the mixing tank is connected with the other end of the detection pipe section, and the bottom of the mixing tank is connected with the other end of the liquid outlet pipe section; the mixing tank is also connected with a neutralizing acid tank through a neutralizing pipe section; a centrifugal pump is arranged on the liquid outlet pipe section; the liquid supply pipe section is used for supplying liquid dye to the dye vat.
2. The pH sampling and detecting device of claim 1, wherein the liquid outlet pipe is further connected with a sewage drain pipe.
3. The pH sampling and testing device of claim 1, wherein the testing tube segment comprises a vertical liquid supply tube, a horizontal testing tube and a vertical liquid return tube; the PH detection device is arranged on the transverse detection pipe, and the height of the transverse detection pipe is higher than that of the connecting position of the vertical liquid return pipe and the mixing tank.
4. The PH sampling and detecting device according to claim 1, wherein the electric three-way valve is capable of switching the device between a dye liquor acidity adjusting state and a dye liquor output state, and when in the dye liquor acidity adjusting state, an inlet of the electric three-way valve is communicated with the second outlet; when the dye liquor is in a dye liquor output state, the inlet of the electric three-way valve is communicated with the first outlet.
5. The pH sampling and detecting device of claim 1, wherein the mixing tank is disposed on the support, and the height of the mixing tank is higher than that of the liquid outlet pipe section.
6. The PH sampling and detecting device according to claim 1, wherein the centrifugal pump is connected to a frequency converter, and the frequency converter is capable of controlling the rotation speed of the centrifugal pump according to the detection data of the PH detecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023351981.4U CN214151512U (en) | 2020-12-31 | 2020-12-31 | PH value sampling detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023351981.4U CN214151512U (en) | 2020-12-31 | 2020-12-31 | PH value sampling detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214151512U true CN214151512U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023351981.4U Active CN214151512U (en) | 2020-12-31 | 2020-12-31 | PH value sampling detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214151512U (en) |
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2020
- 2020-12-31 CN CN202023351981.4U patent/CN214151512U/en active Active
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