CN202994610U - Device for measuring wall adhesion quantity of sludge - Google Patents
Device for measuring wall adhesion quantity of sludge Download PDFInfo
- Publication number
- CN202994610U CN202994610U CN 201220719625 CN201220719625U CN202994610U CN 202994610 U CN202994610 U CN 202994610U CN 201220719625 CN201220719625 CN 201220719625 CN 201220719625 U CN201220719625 U CN 201220719625U CN 202994610 U CN202994610 U CN 202994610U
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- mud
- sludge
- measuring
- calibration cell
- bucket
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Abstract
The utility model discloses a device for measuring the wall adhesion quantity of sludge. The device comprises a thermostatic bath, a sludge measuring barrel, an electronic scale and a computer, wherein the computer is connected with the electronic scale, the sludge measuring barrel is placed in the thermostatic bath, and the thermostatic bath is placed on the electronic scale. The device is used for measuring the wall adhesion quantity of the sludge due to the gravity of the sludge, the electronic scale firstly weighs the weight of the thermostatic bath, a thermostatic bath support and a sludge measuring barrel body and the weight of a lower cover, and weighs the weight of the sludge measuring barrel after the sludge is put into the sludge measuring barrel, the sludge is fallen off to a sludge recovering plate by removing the lower cover after the thermostatic bath is heated to a certain temperature, and the electronic scale weighs the weight of the residual devices to obtain the wall adhesion quantity of the sludge according to a gravimetric method. According to the device, the wall adhesion quantity of the sludge is measured by virtue of the gravity of the sludge, so that the system error caused by human factors can be reduced.
Description
Technical field
The utility model relates to the mud fields of measurement, particularly a kind of device of measuring the sticking wall amount of mud.
Background technology
Mud not only can significantly reduce volume after super-dry, and can reduce significantly the negative characteristic such as stink, pathogen, viscosity, and dried mud has many-sided purposes especially.Yet in the process of sludge heat drying, the phenomenon on the surface of mud bonding hot drying equipment often appears, i.e. the sticking wall of mud.Due to the sticking wall of mud, the one, reduced the efficient that in the drying sludge process, heat is transmitted, hindered the evaporation of moisture in mud, also reduce the rate of drying of mud, thereby caused the waste of energy; The 2nd, because the sticking wall of mud causes equipment corrosion to affect the serviceable life of drying equipment; The 3rd, in order to solve wall sticking phenomenon, guarantee dry run carry out smoothly must add-on system and equipment, increased operating cost.So the wall sticking phenomenon of research mud is significant.According to inspection information, the sticking wall amount of mud does not have pervasive measuring method.Be mud to be placed on heating plate heat mostly, after to be heated completing, scrape and shell the dewatered sludge that remains on heating plate, then claim its quality, and measure the bond area of dewatered sludge and heating plate, can obtain the dewatered sludge amount that the unit area heating plate adheres to.The method uncertain factor of the sticking wall amount of above-mentioned measurement mud is many, as scrapes the standard of stripping and scrape the number of times of stripping uncertain, and experimental error strengthens.
The utility model content
The shortcoming and deficiency that exist in order to overcome prior art, the utility model provides a kind of device of measuring the sticking wall amount of mud.The utility model records the sticking wall amount of the mud of mud under different temperatures, different water cut.
The technical solution adopted in the utility model:
A kind of device of measuring the sticking wall amount of mud, comprise calibration cell, mud measurement bucket, electronic scales, computing machine, described computing machine is connected with electronic scales, computing machine is according to the mass change of electronic scales transmission, obtain the variation of moisture percentage in sewage sludge, mud is measured bucket and is placed in calibration cell, and calibration cell is placed on electronic scales.
Described mud is measured bucket and is comprised that staving, upper cover and lower cover, described staving are hollow.
Described calibration cell also comprises the calibration cell support, the convenient mud recovering tray of placing.
Described upper and lower cover and staving are interference fit, and described upper cover can stop overflowing of sludge water content, and lower cover is for convenience detach is that mud falls rapidly at short notice.
Said apparatus also comprises the mud recovering tray, and described mud recovering tray is positioned between calibration cell and electronic scales, and be positioned at lower cover under.
A kind of method of measuring the sticking wall amount of mud comprises the steps:
(1) electronic scale weighing comprises that calibration cell, calibration cell support, mud measure the mass M of staving of bucket and the quality m that mud is measured the bucket lower cover;
(2) cover the sludge barrel lower cover, get fresh sludge and put into mud and measure bucket, and mud fills up mud and measure bucket, electronic scale weighing adds the quality G after mud;
(3) set the temperature of calibration cell, set the expection moisture percentage in sewage sludge;
(4) the mud temperature in recording mud measurement bucket rises to design temperature, computing machine obtains the variation of moisture percentage in sewage sludge according to the quality of electronic scales transmission, reach the upper cover of mud measurement bucket on the desired value bonnet when water percentage, open simultaneously lower cover, mud is measured the interior mud of bucket and is dropped down onto the mud recovering tray, when mud no longer falls, remove the mud recovering tray;
(5) take out mud this moment and measure the bucket upper cover, it is M that electronic scales records remaining device quality
1
(6) obtaining the sticking wall amount of unit area mud according to gravimetric method is
In formula, r is the internal diameter that mud is measured bucket, and h is the height that mud is measured bucket.
Also comprise the water percentage that adopts tester for water ratio to record fresh sludge in described step (2).
The beneficial effects of the utility model:
(1) the utility model is measured the sticking wall amount of mud by the gravity of mud itself, has reduced the systematic error that human factor is brought;
(2) measurement mechanism is simple in structure, and method is efficient and convenient.
Description of drawings
Fig. 1 is a kind of apparatus structure schematic diagram of measuring the sticking wall amount of mud.
Shown in figure:
The 1-calibration cell, 2-mud is measured bucket, 3-electronic scales, 4-computing machine, 5-mud recovering tray, 1-1-calibration cell support, 2-1-upper cover, 2-2-lower cover.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment
As shown in Figure 1, a kind of device of measuring the sticking wall amount of mud, comprise calibration cell 1, mud measurement bucket 2, electronic scales 3, computing machine 4, mud recovering tray 5, described computing machine 4 is connected with electronic scales 3, mud is measured bucket 2 and is placed in calibration cell 1, calibration cell 1 is placed on electronic scales 3 by calibration cell support 1-1, and mud recovering tray 5 is placed between calibration cell 1 and electronic scales 3, and be positioned at lower cover 2-2 under.
Described mud is measured bucket 2 and is comprised staving, upper cover 2-1 and lower cover 2-2, and described staving is hollow, and upper cover 2-1 and lower cover 2-2 and staving are interference fit.
Adopt the sticking wall amount of said apparatus test fresh sludge in the time of 50 ℃, concrete steps are as follows:
Before measurement, adopt the moisture percentage in sewage sludge analyzer to record the water percentage w of fresh sludge;
(1) electronic scales 3 is weighed and is comprised that calibration cell 1, calibration cell support 1-1, mud measure the mass M of staving of bucket and the quality m that mud is measured bucket lower cover 2-2;
(2) cover mud and measure a bucket lower cover 2-2, get fresh sludge and put into mud and measure bucket 2, and mud fills up mud and measure bucket 2, electronic scales 3 is weighed and is added quality G after mud;
(3) temperature of setting calibration cell 1 is 50 ℃, sets the desired value of water percentage on computing machine;
(4) the mud temperature in recording mud measurement bucket 2 rises to design temperature, computing machine 4 obtains the variation of moisture percentage in sewage sludge according to the quality of electronic scales 3 transmission, reach the upper cover 2-1 of mud measurement bucket on the desired value bonnet when water percentage, open simultaneously lower cover 2-2, mud is measured bucket 2 interior mud and is dropped down onto mud recovering tray 5, when mud no longer falls, remove mud recovering tray 5;
(5) take out mud this moment and measure the bucket upper cover, it is M that electronic scales 3 records remaining device quality
1
(6) obtaining the sticking wall amount of unit area mud according to gravimetric method is
In formula, r is the internal diameter that mud is measured bucket, and h is the height that mud is measured bucket.
Described computing machine obtains moisture percentage in sewage sludge as follows, is specially:
The quality that obtains the mud contained humidity according to the definition of water percentage is m
Water=(G-M-m) * w;
If after heating, after one minute, electronic scale weighing obtains comprising that mud measures bucket 2, upper cover 2-1, mud, gross mass be G
1
In one minute, sludge water content evaporates Δ m=G-G
1
This moment, moisture percentage in sewage sludge was
Change the temperature of calibration cell, repeating step (1) to step (6) obtains the sticking wall amount of mud of different moisture percentage in sewage sludge under different temperatures.
Above-described embodiment is the better embodiment of the utility model; but embodiment of the present utility model is not limited by the examples; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, within being included in protection domain of the present utility model.
Claims (5)
1. a device of measuring the sticking wall amount of mud, is characterized in that, comprises calibration cell, mud measurement bucket, electronic scales, computing machine, and described computing machine is connected with electronic scales, and mud is measured bucket and is placed in calibration cell, and calibration cell is placed on electronic scales.
2. a kind of device of measuring the sticking wall amount of mud according to claim 1, is characterized in that, described mud is measured bucket and comprised that staving, upper cover and lower cover, described staving are hollow.
3. a kind of device of measuring the sticking wall amount of mud according to claim 1, is characterized in that, also comprises the calibration cell support, and described calibration cell passes through the calibration cell stentplacement on electronic scales.
4. a kind of device of measuring the sticking wall amount of mud according to claim 2, is characterized in that, described upper and lower cover and staving are interference fit.
5. the described a kind of device of measuring the sticking wall amount of mud of according to claim 1-4 any one, is characterized in that, also comprise the mud recovering tray, described mud recovering tray is positioned between calibration cell and electronic scales, and be positioned at lower cover under.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220719625 CN202994610U (en) | 2012-12-15 | 2012-12-15 | Device for measuring wall adhesion quantity of sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220719625 CN202994610U (en) | 2012-12-15 | 2012-12-15 | Device for measuring wall adhesion quantity of sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202994610U true CN202994610U (en) | 2013-06-12 |
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ID=48565781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220719625 Expired - Fee Related CN202994610U (en) | 2012-12-15 | 2012-12-15 | Device for measuring wall adhesion quantity of sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202994610U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048215A (en) * | 2012-12-15 | 2013-04-17 | 华南理工大学 | Method and device for measuring wall adhering quantity of sludge |
-
2012
- 2012-12-15 CN CN 201220719625 patent/CN202994610U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048215A (en) * | 2012-12-15 | 2013-04-17 | 华南理工大学 | Method and device for measuring wall adhering quantity of sludge |
| CN103048215B (en) * | 2012-12-15 | 2014-11-12 | 华南理工大学 | Method and device for measuring wall adhering quantity of sludge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20151215 |
|
| EXPY | Termination of patent right or utility model |