CN210243669U - Sludge pH value detection device - Google Patents
Sludge pH value detection device Download PDFInfo
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- CN210243669U CN210243669U CN201920417542.7U CN201920417542U CN210243669U CN 210243669 U CN210243669 U CN 210243669U CN 201920417542 U CN201920417542 U CN 201920417542U CN 210243669 U CN210243669 U CN 210243669U
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Abstract
The utility model relates to a sludge pH value detection device, which comprises a display screen, an electrode rod, a pH composite electrode, a centrifugal hole, an operation screen, a test tube and a host; the electrode rod is fixed above the host machine through a support rod, the electrode rod can move up and down on the support rod, the display screen is fixed with the support rod through a guide rod, the pH composite electrode is connected to the electrode rod, and the pH composite electrode is connected with the display screen; a plurality of centrifugal holes are formed in the main machine, centrifugal covers are arranged on the centrifugal holes, the test tube is located in the centrifugal holes, the depth of each centrifugal hole is larger than the height of the test tube, and the operation screen is arranged on the main machine. The operation screen can control the rotation speed, time, start, stop and the test position of the pH composite electrode. Detecting the pH value of the sludge, particularly detecting the sludge with the water content of less than 99%; the utility model discloses guaranteed that mud is abundant centrifugal, can directly survey the pH value in the supernatant after the centrifugation simultaneously, ability rapid survey mud pH value, the test is accurate.
Description
Technical Field
The utility model relates to a mud pH value detection device for quick, the accurate survey of mud pH value.
Background
At present, the main principle of domestic sludge treatment is reduction, stabilization, harmlessness and recycling. The sludge treatment should be focused on 'harmlessness', and at the same time, the recovery and utilization of energy and resources in the sludge are encouraged. In order to utilize resources in sludge, firstly, the content of harmful substances such as heavy metals in the sludge is known, and a treatment method is determined. The pH value of the sludge is the precondition of harmless and stable sludge treatment, such as Chinese patent with application number 200810202451.8.
The pH value has great influence on the surface activity, flocculation sedimentation, dehydration and the like of the sludge, has important influence on the stability of heavy metals in the sludge, and can accurately and quickly measure the pH value in the sludge to effectively improve the comprehensive utilization rate of the sludge. At present, the steps for detecting the pH value of the sludge with the water content of less than 99 percent are complicated, particularly, the supernatant is less after centrifugation, multiple times of centrifugation are needed, enough supernatant is taken for pH measurement, the pH value of the sludge cannot be rapidly measured, and meanwhile, errors are brought to the accurate measurement of the pH value of the sludge, so that the automatic rapid measurement of the pH value of the sludge after one-time centrifugation is necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the above-mentioned not enough that exists among the prior art, and provide a reasonable in design's mud pH value detection device and detection method, possess the characteristics of a plurality of mud centrifugation back automated inspection pH values simultaneously, its system is simple, and the cost is lower relatively, and the treatment effect is better, can accurate efficient detect mud pH value.
The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a mud pH value detection device which characterized in that: comprises a display screen, an electrode rod, a pH composite electrode, a centrifugal hole, an operation screen, a test tube and a host; the electrode rod is fixed above the host machine through a support rod and is movably connected with the support rod, the electrode rod can move up and down on the support rod, the display screen is fixed with the support rod through a guide rod, the pH composite electrode is connected to the electrode rod and is connected with the display screen, and the pH composite electrode moves up and down along with the lifting of the electrode rod; the test device is characterized in that a plurality of centrifugal holes are formed in the host, centrifugal covers are arranged on the centrifugal holes, the test tube is located in the centrifugal holes, the depth of each centrifugal hole is larger than the height of the test tube, and the operation screen is arranged on the host. The operation screen can control the rotation speed, time, start, stop and the test position of the pH composite electrode.
Preferably, 8 centrifugal holes are arranged, and the 8 centrifugal holes are distributed in an array by taking the support rod as a circle center.
Preferably, the centrifugal cover is divided into an upper layer and a lower layer, the height of the lower layer is 4mm, and the diameter of the lower layer is matched with that of the centrifugal hole; the upper layer is 8mm high, and the diameter of the upper layer is larger than that of the centrifugal hole.
Preferably, the distance between the nozzle of the test tube and the orifice of the centrifugal hole is 5 cm.
The detection method of the sludge pH value detection device comprises the following steps:
1) respectively placing the shaken samples in test tubes, respectively placing the test tubes into corresponding centrifugal holes, wherein the test tubes in a group of corresponding centrifugal holes are filled with pure water for cleaning the pH composite electrode, covering the centrifugal cover, turning on a power supply of a host machine, setting test parameters, and starting detection;
2) the centrifugal hole of the sample to be detected automatically rotates to a position right below the pH composite electrode, the electrode rod is controlled to automatically descend to a detection height, the pH composite electrode automatically enters supernatant in the test tube at the position to be detected for detection, the pH value is displayed on a display screen, the reading is stable, and after the detection is finished, the electrode rod is controlled to automatically ascend and reset;
3) in the sludge pH value detection, after a sludge sample is tested, a centrifugal hole of a test tube filled with pure water automatically rotates to a position right below a pH composite electrode; the pH composite electrode descends along with the descending of the electrode rod, enters pure water in the test tube for cleaning, then rises to the original position again, and repeatedly rises and descends for 3 times to clean the electrode;
4) after the cleaning is finished, the pH composite electrode sequentially detects the pH values of other sludge samples according to the sequence set before centrifugation, and after one sample is not detected, the next test tube is automatically cleaned for three times and then detected.
Compared with the prior art, the utility model, have following advantage and effect: detecting the pH value of the sludge, particularly the sludge with the water content of less than 99%; the utility model ensures the sludge to be fully centrifuged, can directly measure the pH value in the supernatant after centrifugation, can quickly measure the pH value of the sludge, has accurate test, and avoids errors caused by multiple times of centrifugation; after centrifugal operation, the automatic measurement mud pH value to detect the pH value of a plurality of samples simultaneously in proper order, realize unmanned on duty autoinjection, improved detection efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
In the figure: the device comprises a display screen 1, a guide rod 2, an electrode rod 3, a support rod 4, a pH composite electrode 5, a centrifugal cover 6, a centrifugal hole 7, an operation screen 8, a test tube 9 and a host machine 10.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Examples are given.
Referring to fig. 1, the sludge pH value detection apparatus in this embodiment includes a display screen 1, an electrode rod 3, a pH composite electrode 5, a centrifugal hole 7, an operation screen 8, a test tube 9, and a host 10.
The electrode rod 3 is fixed above the host machine 10 through the support rod 4, the electrode rod 3 is movably connected with the support rod 4, the electrode rod 3 can move up and down on the support rod 4, the display screen 1 is fixed with the support rod 4 through the guide rod 2, the pH composite electrode 5 is connected with the electrode rod 3, the pH composite electrode 5 is connected with the display screen 1, and the pH composite electrode 5 moves up and down along with the lifting of the electrode rod 3; a plurality of 8 centrifugal holes 7 are arranged in the main machine 10, the 8 centrifugal holes 7 are distributed in an array mode by taking the support rod 4 as a circle center, a centrifugal cover 6 is arranged on each centrifugal hole 7, the centrifugal cover 6 is divided into an upper layer and a lower layer, the height of the lower layer is 4mm, and the diameter of the lower layer is matched with that of each centrifugal hole 7; the upper layer is 8mm high, the diameter of the upper layer is larger than that of the centrifugal hole 7, the testing tube 9 is positioned in the centrifugal hole 7, the depth of the centrifugal hole 7 is larger than that of the testing tube 9, the distance between the tube opening of the testing tube 9 and the orifice of the centrifugal hole 7 is 5cm, and the operation screen 8 is arranged on the host machine 10. The operation screen 8 can control the rotation speed, time, start, stop and the test position of the pH composite electrode 5.
The display screen 1 controls the lifting of the electrode rod 3, and when the pH value is tested, the electrode rod 3 descends to enable the pH composite electrode 5 to enter the test tube 9; when a stable pH value is displayed on the display screen 1, indicating that the test is completed, the electrode rod 3 is raised to the original position.
The display screen 1 is connected with the electrode rod 3 through a sensor and a wire, the guide rod 2 is connected with the display screen 1, and the guide rod 2 is internally provided with a wire and an electrode wire.
The operation screen 8 is directly connected with the host machine 10, and the rotation speed, time, starting, stopping and clockwise rotation measurement, position testing and electrode cleaning positions are displayed on the operation screen 8 in sequence. The rotating speed, the time and the testing position can be respectively adjusted by pressing an upper key and a lower key. The rotation speed and time indicate the rotation speed and time of the centrifugation. The start and stop buttons are all steps controlled, the host computer 10 needs to be kept in a start state before centrifugation or testing, and the stop button is used for stopping immediately no matter which step is carried out; the cleaning electrode position is used for cleaning the pH composite electrode 5 in the test process to prevent cross contamination; the test positions are set test positions and diagonal positions; and rotating the measuring button clockwise in turn to indicate that the centrifugation is finished, then taking out the centrifugal cover 6, automatically adjusting the centrifugal hole 7 to the position where the #1 testing hole 7 is positioned below the pH composite electrode 5 and starting to measure, and after the measurement is finished, automatically rotating the centrifugal hole 7 clockwise to measure in turn. The test tube 9 is matched with the centrifugal hole 7, the height of the test tube 9 is 5cm lower than that of the centrifugal hole 7, and the centrifugal tube test measuring cylinder 9 can be taken out.
The detection method of the sludge pH detection device comprises the following steps:
different sludge water solution samples after shaking are placed in a test tube 9 and are respectively arranged in centrifugal holes 7 which are arranged in a diagonal line. Wherein, a group of two centrifugal holes 7 which are distributed in diagonal line are used for filling pure water and cleaning the pH composite electrode 5, and centrifugal covers 6 on all the centrifugal holes 7 are covered. The power supply of the main machine 10 is turned on, the rotating speed is set to 2500r on the operation screen 8, and meanwhile, the centrifugal time is set to 5 min. The testing position is set, the set testing position and the diagonal position can be automatically detected during detection, manual adjustment can be carried out, only the set testing position is detected, and the diagonal position is not detected. The position of the cleaning electrode is set, and the instrument starts centrifuging by pressing a start key on the operation screen 8. After 5min, the centrifugation was stopped automatically.
The centrifugal cover 6 is taken out, and the test tube 9 filled with pure water automatically rotates to a position right below the pH composite electrode 5. Clicking a start measuring button on the operation screen 8, controlling the electrode rod 3 to automatically descend to a detection height, controlling the pH composite electrode 5 to automatically enter a test tube 9 with pure water, controlling the electrode rod 3 to automatically ascend and recover to a starting state, automatically ascending the pH composite electrode 5, and repeatedly ascending and descending for three times.
The centrifugal hole 7 to be detected automatically rotates to the position right below the pH composite electrode 5, the electrode rod 3 is controlled to automatically descend to the detection height, the pH composite electrode 5 automatically enters the supernatant in the test tube 9 at the position to be detected for detection, the pH value at 20 ℃ can be displayed on the display screen 1, the reading is stable, and after the detection is finished, the electrode rod 3 is controlled to automatically ascend to the starting state. The centrifugal hole 7 automatically rotates to a cleaning position under the pH composite electrode 5, the control electrode rod 3 drives the pH composite electrode 5 to repeatedly lift three times for cleaning the pH composite electrode 5, and after cleaning is completed, the pH composite electrode 5 can sequentially detect the pH value of a sludge sample or the pH value of a sample at a diagonal testing position clockwise according to a program selected before centrifugation. After the detection is finished, the test tube 9 is automatically cleaned for three times and then detected.
The test mode or the test position can be set on the operation screen 8 before centrifugation, can be set before detection after centrifugation is completed, and can also be reset after a certain sample is detected.
Although the present invention has been described with reference to the above embodiments, it should not be construed as being limited to the scope of the present invention, and any modifications and alterations made by those skilled in the art without departing from the spirit and scope of the present invention should fall within the scope of the present invention.
Claims (4)
1. The utility model provides a mud pH value detection device which characterized in that: comprises a display screen (1), an electrode rod (3), a pH composite electrode (5), a centrifugal hole (7), an operation screen (8), a test tube (9) and a host (10); the electrode rod (3) is fixed above the host (10) through the support rod (4), the electrode rod (3) is movably connected with the support rod (4), the display screen (1) is fixed with the support rod (4) through the guide rod (2), the pH composite electrode (5) is connected to the electrode rod (3), and the pH composite electrode (5) is connected with the display screen (1); the test device is characterized in that a plurality of centrifugal holes (7) are formed in the host (10), centrifugal covers (6) are arranged on the centrifugal holes (7), the test tubes (9) are located in the centrifugal holes (7), the depth of the centrifugal holes (7) is larger than the height of the test tubes (9), and the operation screen (8) is arranged on the host (10).
2. The sludge pH value detection device according to claim 1, characterized in that: the number of the centrifugal holes (7) is 8, and the 8 centrifugal holes (7) are distributed in an array mode by taking the supporting rod (4) as a circle center.
3. The sludge pH value detection device according to claim 1, characterized in that: the centrifugal cover (6) is divided into an upper layer and a lower layer, the height of the lower layer is 4mm, and the diameter of the lower layer is matched with that of the centrifugal hole (7); the upper layer is 8mm high and the diameter of the upper layer is larger than that of the centrifugal hole (7).
4. The sludge pH value detection device according to claim 1, characterized in that: the distance between the tube opening of the test tube (9) and the orifice of the centrifugal hole (7) is 5 cm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920417542.7U CN210243669U (en) | 2019-03-29 | 2019-03-29 | Sludge pH value detection device |
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| CN201920417542.7U CN210243669U (en) | 2019-03-29 | 2019-03-29 | Sludge pH value detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031640A (en) * | 2019-03-29 | 2019-07-19 | 华电电力科学研究院有限公司 | A kind of sludge pH detection device and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031640A (en) * | 2019-03-29 | 2019-07-19 | 华电电力科学研究院有限公司 | A kind of sludge pH detection device and detection method |
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