CN108548910A - A kind of deep dehydration sludge moisture content detection method - Google Patents
A kind of deep dehydration sludge moisture content detection method Download PDFInfo
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- CN108548910A CN108548910A CN201810335588.4A CN201810335588A CN108548910A CN 108548910 A CN108548910 A CN 108548910A CN 201810335588 A CN201810335588 A CN 201810335588A CN 108548910 A CN108548910 A CN 108548910A
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- content detection
- slide unit
- sludge
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- 239000010802 sludge Substances 0.000 title claims abstract description 61
- 238000001514 detection method Methods 0.000 title claims abstract description 56
- 230000018044 dehydration Effects 0.000 title claims abstract description 25
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 25
- 239000000523 sample Substances 0.000 claims abstract description 28
- 239000008187 granular material Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 230000007717 exclusion Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 239000010801 sewage sludge Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 241000486406 Trachea Species 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005370 electroosmosis Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- 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
- G01N33/24—Earth materials
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of deep dehydration sludge moisture content detection methods, based on deep dehydration sludge moisture content detection device, probe may be implemented at least three electronic slide units, and spatially three degree of freedom moves, and the amount of feeding in sludge cake of probe can be controlled, when contact mud cake soon, carry out aspirated-air type action, metal conic shell is inserted into mud cake, a small amount of sludge sucking is entered, when mud granule passes through moisture transducer, record water content, after measuring a bit, the electronic slide unit of third rises, for convenience of the other sludge moisture content of any of measurement next time, it is ventilated by tracheae, existing mud granule is spued, it measures again.The present invention can accurately and efficiently measure the moisture content of mud cake different location and thickness, by the improvement to moisture content detection probe, improve the reliability of detection.
Description
Technical field
The present invention relates to sludge moisture content detection technique fields, and in particular to a kind of deep dehydration sludge moisture content detection side
Method.
Background technology
Moisture percentage in sewage sludge detection is to judge and evaluate the important indicator of sludge dewatering effect.Sludge after deep dehydration squeezing
Mud cake is generally harder, and the prior art from sludge cake generally by removing a fritter, then passes through weight measurement and drying
Etc. processes carry out the calculating of moisture percentage in sewage sludge.
There are many defects for the moisture percentage in sewage sludge detection mode of the above-mentioned prior art, are gone for example, it is desired to expend a large amount of manpowers
Operation；For the sludge at different-thickness, moisture content is different, and the mode of the prior art is difficult direct measurement different-thickness
Sludge moisture content, artificial and conjunction measuring tool can only be relied on to complete.However, the different location and thickness of sludge cake
Moisture content plays the role of important characterization and comparison for the dehydration characteristic research of sludge, how accurately and efficiently to complete
State the important topic that testing requirements are moisture percentage in sewage sludge detections.
Invention content
In view of this, the purpose of the present invention is to provide a kind of accurately and efficiently measurement mud cake different location and thickness to contain
The deep dehydration sludge moisture content detection method of water rate, to solve technical problem of the existing technology.
Technical solution of the invention is to provide a kind of deep dehydration sludge moisture content detection method with lower structure,
Based on deep dehydration sludge moisture content detection device, the deep dehydration sludge moisture content detection device includes that moisture content detection is visited
Head and at least three electronic slide units, three electronic slide units include that the first electronic slide unit, the second electronic slide unit and third are electronic
Slide unit, the first electronic slide unit and the second electronic slide unit are vertically arranged, and the second electronic slide unit is fixed on described
On the sliding block of one electronic slide unit, the electronic slide unit of third is vertical and described with the first electronic slide unit, the second electronic slide unit respectively
The electronic slide unit of third is fixed on the sliding block of the described second electronic slide unit；The moisture content detection probe is connected to by connector
On the sliding block of the electronic slide unit of third.
Optionally, the described first electronic slide unit, the second electronic slide unit and the electronic slide unit of third include respectively motor, lead screw
And sliding block, the output shaft of the motor are axially connect with the lead screw, the sliding block is set on the sliding rail of corresponding electronic slide unit,
The lead screw spiral is placed through in the sliding block.
Optionally, the moisture content detection probe includes conical shell and the first moisture transducer, in the conical shell
Bellmouth is offered, first moisture transducer is set on the hole wall of the bellmouth, is additionally provided on the conical shell
Tracheae connector, the tracheae connector are connected with the bellmouth.
Optionally, the point in the conical shell is arranged in the opening of the bellmouth, and the opening, which is used as, to be contained
The sample tap of water rate detection, the point are arranged with elastic strain set, pressure sensor are equipped in the elastic strain set outside.
Optionally, the bottom end of the conical shell is connected with cylinder, and the tracheae connector is arranged in the cylinder
On.
Optionally, the connector is L-type structure, the sliding block on one side of the L-type structure and the electronic slide unit of the third
Fitting is fixed, and the another side of the L-type structure is equipped with threaded hole, and the cylinder is equipped with external screw thread, and the cylinder passes through thereon
External screw thread be combined in the threaded hole.
Optionally, taper guide passage is equipped in the cylinder, the miner diameter end of the taper guide passage is connected to the bellmouth,
Bigger diameter end is connected to tracheae connector.
Optionally, the device for detecting water content further includes pressure-vaccum device of air, and the pressure-vaccum device of air passes through tracheae and institute
It states tracheae connector to be connected, the second moisture transducer is equipped in the tracheal strips.
Optionally, mud granule accommodating chamber, the mud granule accommodating chamber and the taper are equipped in the conical shell
The bigger diameter end in hole connects, and venthole, the venthole and the mud granule accommodating chamber phase are offered on the conical shell wall
The outer end of connection, venthole connects aspirated-air type equipment.
Optionally, it is connected with conductive rod on the conical shell, in moisture measurement by being passed through negative electricity to conductive rod
Lotus keeps conical shell negatively charged；After being measured, conductive rod positive charge is given, using exclusion principle, hydrone is precipitated, to
Tracheae is ventilated, and moisture is discharged.
Using the present invention, compared with prior art, has the following advantages：At least three electronic slide units may be implemented probe and exist
Spatially three degree of freedom moves, and can control the amount of feeding in sludge cake of probe, when contact mud cake soon, carries out
Aspirated-air type acts, and metal conic shell is inserted into mud cake, and a small amount of sludge sucking is entered, when mud granule passes through moisture transducer
When, water content is recorded, after measuring a bit, the electronic slide unit of third rises, for convenience of the in addition sludge moisture content of any is measured next time,
It is ventilated by tracheae, existing mud granule is spued, measured again.The present invention can accurately and efficiently measure mud cake
The moisture content of different location and thickness improves the reliability of detection by the improvement to moisture content detection probe.
Description of the drawings
Fig. 1 is the structural schematic diagram of deep dehydration sludge moisture content detection device；
Fig. 2 is the structural schematic diagram of electronic slide unit；
Fig. 3 is the structural schematic diagram of moisture content detection probe.
As shown in the figure, 1, motor, 2, lead screw 3, sliding block, 4, conical shell, 5, taper guide passage, 6, tracheae connector, 7,
One moisture transducer, 8, tracheae, the 9, second moisture transducer, 10, venthole, 11, mud granule accommodating chamber, 12, elastic strain
Set, 13, conductive rod, 14, cylinder, 15, connector, 16 sludge cakes, 17, moisture content detection probe.
Specific implementation mode
The preferred embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention is not restricted to these
Embodiment.The present invention covers any replacement made in the spirit and scope of the present invention, modification, equivalent method and scheme.
In order to make the public have thorough understanding to the present invention, it is described in detail in following present invention preferred embodiment specific
Details, and description without these details can also understand the present invention completely for a person skilled in the art.
The present invention is more specifically described by way of example with reference to attached drawing in the following passage.It should be noted that attached drawing is adopted
Use with more simplified form and non-accurate ratio, only to it is convenient, lucidly aid in illustrating the embodiment of the present invention
Purpose.
Refering to what is shown in Fig. 1, the structure of deep dehydration sludge moisture content detection device is illustrated, including moisture content detection probe
With at least three electronic slide units, for the present embodiment for three, three electronic slide units include the first electronic slide unit X, second
Electronic slide unit Y and third electronic slide unit Z, the first electronic slide unit X and the second electronic slide unit Y are vertically arranged, and described
Two electronic slide unit Y are fixed on the sliding block of the described first electronic slide unit X, the electronic slide unit Z of third respectively with the first electric sliding
Platform X, the second electronic slide unit Y are vertical, and the electronic slide unit Z of the third is fixed on the sliding block of the described second electronic slide unit Y；It is described
Moisture content detection probe 17 is connected to by connector 15 on the sliding block of the electronic slide unit Z of the third.
The connector 15 is L-type structure, and one side of the L-type structure is bonded with the sliding block 3 of the electronic slide unit Z of the third
Fixed, the another side of the L-type structure is equipped with threaded hole, the cylinder 14 is equipped with external screw thread, and the cylinder is by thereon
External screw thread is combined in the threaded hole.
Refering to what is shown in Fig. 2, illustrating a kind of concrete structure of electronic slide unit.The wherein described first electronic slide unit X, the second electricity
This structure can be used in the dynamic slide unit Y and electronic slide unit Z of third, that is to say, that three includes respectively motor 1, lead screw 2 and slides
Block 3, the output shaft of the motor 1 are axially connect with the lead screw 2, and the sliding block 3 is set on the sliding rail of corresponding electronic slide unit,
2 spiral of the lead screw is placed through in the sliding block 3.Three electronic slide units realize the movement of space three degree of freedom respectively, make
Must pop one's head in can reach space any point in a certain range.
Refering to what is shown in Fig. 3, illustrate a kind of concrete structure of moisture content detection probe, from face, section view and axis side are illustrated
Moisture content detection probe.The moisture content detection probe 17 includes conical shell 4 and the first moisture transducer 7, the taper
Bellmouth is offered in shell 4, first moisture transducer 7 is set on the hole wall of the bellmouth, the conical shell 4
On be additionally provided with tracheae connector 6, the tracheae connector 6 is connected with the bellmouth.
The point in the conical shell 4 is arranged in the opening of the bellmouth, and the opening is examined as moisture content
The sample tap of survey, the point are arranged with elastic strain set 12, pressure sensor are equipped in the elastic strain set 12 outside.
The bottom end of the conical shell 4 (is bottom end, it is located in the view although for geometry angle
The top of conical shell 4) it is connected with cylinder 14, the tracheae connector 6 is arranged on the cylinder 14.
Taper guide passage 5 is equipped in the cylinder 14, the miner diameter end of the taper guide passage 5 is connected to the bellmouth, big
Diameter end is connected to tracheae connector 6.In addition, in order to further realize the purpose of the present invention.The device for detecting water content also wraps
Pressure-vaccum device of air is included, the pressure-vaccum device of air is connected with the tracheae connector 6 by tracheae 8, is equipped in the tracheae 8
Second moisture transducer 9.Although attached drawing is not used to illustrate the pressure-vaccum device of air, those of ordinary skill in the art's personnel's root
It can be practiced according to the teachings of the present invention.
Mud granule accommodating chamber 11, the mud granule accommodating chamber 11 and the bellmouth are equipped in the conical shell 4
Bigger diameter end connection, venthole 10, the venthole 10 and the mud granule accommodating chamber are offered on 4 wall of the conical shell
11 are connected, and the outer end of venthole 10 connects aspirated-air type equipment.
Conductive rod 13 is connected on the conical shell 4, in moisture measurement by being passed through negative electrical charge to conductive rod 13,
Keep conical shell 4 negatively charged；After being measured, gives 13 positive charge of conductive rod and hydrone is precipitated using exclusion principle, to
Tracheae 8 is ventilated, and moisture is discharged.
The basic principle of the present invention is as follows：Probe may be implemented at least three electronic slide units, and spatially three degree of freedom is transported
It is dynamic, and the amount of feeding in sludge cake of probe can be controlled, when contact mud cake soon, carry out aspirated-air type action, metal cone
Shape shell is inserted into mud cake, and a small amount of sludge sucking is entered, when mud granule passes through moisture transducer, water content is recorded, surveys
After measuring a bit, the electronic slide unit of third rises, and for convenience of the other sludge moisture content of any of measurement next time, is led to by tracheae
Existing mud granule is spued, is measured again by gas.If it is larger to encounter mud granule, therefore bellmouth is designed, when can not spitting sludge
When particle, conical shell is removed, particle is poured out.The conical shell uses metal material, for example, steel, to there is foot
Rigidity and intensity are reached to be inserted into mud cake.
The present invention includes following working stage：
Pre-measurement phase：When moisture content detection probe 17 soon touches sludge blanket, the elasticity for giving front end is answered
Become the pressure sensor of set the inside to control signal, sludge cake is touched when in advance, the pressure to touching sludge measures.
If the pressure of sludge blanket is too big or sludge is hardened excessive, conical shell 4 may be damaged.Feedback signal at this time is changed at one
Coordinate measures.If in tolerance range, that is, Z axis decline is carried out, is formally detected.
Formal detection-phase：In conical shell 4 has been inserted into sludge mud layer, 8 tracheaes carry out air-breathing, by a small amount of sludge
In particle sucking probe, the first water content detection sensor 7 can be passed through.First water content detection sensor, 7 array is in internal bellmouth
It is interior.Carry out data acquisition.The mud granule sucked in order to prevent is too small and sucking is too fast, can pass through taper guide passage 5 and enter air pump,
The second water content detection sensor 9 in ad hoc meter tracheae 8, is detected moisture, again if in the second water content detection sensor 9
No new data generates, and indicates normal.If having new data in the second water content detection sensor 9, shows to measure and be not allowed, need to adjust
Reduce aspiration power.
Due to being provided with mud granule accommodating chamber 11 because instrument only draws a small amount of sludge, in order to very fast and
Energy multimetering increases its and accommodates function, but the sludge that larger mud granule can be blocked or accommodated in order to prevent is very
More, special open venthole 10, this hole is connect with external aspirated-air type equipment, when instrument data fails to capture new data, starts to take out
Mud granule is taken, the mud granule having been drawn into is sucked out.
When measuring the sludge by electro-osmosis processing, the hydrone in sludge is positively charged, therefore designs conductive rod 13, when
Moisture content detection probe 17 has been drawn into a small amount of sludge, gives 13 negative electrical charge of conductive rod and so that conical shell is negatively charged.At this point, because
For positive and negative charge sucking action, the hydrone in sludge can more enter in sensor 7.Measurement data is more acurrate.When completion measures
Afterwards, it gives conductive rod 13 positive charge, using exclusion principle, the hydrone in sensor is precipitated, then tracheae 8 is ventilated, by water
Divide discharge.
After being fully completed, 8 tracheaes are felt elated and exultant, and all sludge are excluded.When having larger sludge on wall, it is difficult to take
When going out, conical shell 4 and cylinder 14 are detached, because cylinder 14 is equipped with taper guide passage 5, can be cleaned.
Although embodiment is separately illustrated and is illustrated above, it is related to the common technology in part, in ordinary skill
Personnel apparently, can be replaced and integrate between the embodiments, be related to one of embodiment and the content recorded is not known, then
It can refer to another embodiment on the books.
Embodiments described above does not constitute the restriction to the technical solution protection domain.It is any in above-mentioned implementation
Modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution made by within the spirit and principle of mode
Within enclosing.
Claims (10)
1. a kind of deep dehydration sludge moisture content detection method, is based on deep dehydration sludge moisture content detection device, feature exists
In：The deep dehydration sludge moisture content detection device includes moisture content detection probe (9) and at least three electronic slide units, described
Three electronic slide units include the first electronic slide unit X, the second electronic slide unit Y and third electronic slide unit Z, the first electronic slide unit X
It being vertically arranged with the described second electronic slide unit Y, the second electronic slide unit Y is fixed on the sliding block of the described first electronic slide unit X,
The electronic slide unit Z of third is vertical with the first electronic slide unit X, the second electronic slide unit Y respectively, and the electronic slide unit Z of the third is solid
Due on the sliding block of the described second electronic slide unit Y；The moisture content detection probe (17) is connected to described by connector (15)
On the sliding block of the electronic slide unit Z of third.
2. deep dehydration sludge moisture content detection method according to claim 1, it is characterised in that：First electric sliding
Platform X, the second electronic slide unit Y and the electronic slide unit Z of third include respectively motor (1), lead screw (2) and sliding block (3), the motor
(1) output shaft is axially connect with the lead screw (2), and the sliding block (3) is set on the sliding rail of corresponding electronic slide unit, the silk
Bar (2) spiral is placed through in the sliding block (3).
3. deep dehydration sludge moisture content detection method according to claim 2, it is characterised in that：The moisture content detection
Probe (9) includes conical shell (4) and the first moisture transducer (7), and bellmouth is offered in the conical shell (4), described
First moisture transducer (7) is set on the hole wall of the bellmouth, and tracheae connector is additionally provided on the conical shell (4)
(6), the tracheae connector (6) is connected with the bellmouth；It will be inserted into sludge mud layer in conical shell (4), tracheae
(8) air-breathing is carried out, by a small amount of mud granule sucking probe, the first water content detection sensor (7) can be passed through, and by the first moisture
Detection sensor (7) carries out data acquisition.
4. deep dehydration sludge moisture content detection method according to claim 3, it is characterised in that：The bellmouth (5)
Opening setting the conical shell (4) point, the sample tap that the opening is detected as moisture content, the point
It is arranged with elastic strain set (12) outside end, pressure sensor is equipped in the elastic strain set (12)；Pre-measurement phase is set：
When moisture content detection probe (17) soon touches sludge blanket, the pressure sensing of the elastic strain set the inside of front end is given
Device touches sludge cake to control signal, when in advance, and the pressure to touching sludge measures.
5. deep dehydration sludge moisture content detection method according to claim 3, it is characterised in that：The conical shell
(4) bottom end is connected with cylinder (14), and the tracheae connector (6) is arranged on the cylinder (14).
6. deep dehydration sludge moisture content detection method according to claim 1, it is characterised in that：The connector (15)
For L-type structure, one side of the L-type structure is bonded fixation with the sliding block of the electronic slide unit Z of the third, the L-type structure it is another
It is equipped with threaded hole on one side, the cylinder (14) is equipped with external screw thread, and the cylinder (14) is combined on institute by external screw thread thereon
It states in threaded hole.
7. deep dehydration sludge moisture content detection method according to claim 5, it is characterised in that：In the cylinder (14)
Equipped with taper guide passage (5), the miner diameter end of the taper guide passage (5) is connected to the bellmouth, bigger diameter end and tracheae connector
(6) it is connected to.
8. deep dehydration sludge moisture content detection method according to claim 7, it is characterised in that：The water content detection
Device further includes pressure-vaccum device of air, and the pressure-vaccum device of air is connected by tracheae (8) with the tracheae connector (6), in institute
It states and is equipped with the second moisture transducer (9) in tracheae (8).
9. deep dehydration sludge moisture content detection method according to claim 7, it is characterised in that：The conical shell
(4) mud granule accommodating chamber (11) is equipped in, the mud granule accommodating chamber (11) connect with the bigger diameter end of the bellmouth, institute
It states and offers venthole (10) on conical shell (4) wall, the venthole (10) is connected with the mud granule accommodating chamber (11)
Logical, the outer end of venthole (10) connects aspirated-air type equipment.
10. deep dehydration sludge moisture content detection method according to claim 8, it is characterised in that：The conical shell
(4) it is connected with conductive rod (13) on, in moisture measurement by giving conductive rod (13) to be passed through negative electrical charge, makes conical shell (4)
It is negatively charged；After being measured, gives conductive rod (13) positive charge and hydrone is precipitated using exclusion principle, it is logical to tracheae (8)
Moisture is discharged gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810335588.4A CN108548910B (en) | 2018-04-16 | 2018-04-16 | Method for detecting water content of deep dewatered sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810335588.4A CN108548910B (en) | 2018-04-16 | 2018-04-16 | Method for detecting water content of deep dewatered sludge |
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| Publication Number | Publication Date |
|---|---|
| CN108548910A true CN108548910A (en) | 2018-09-18 |
| CN108548910B CN108548910B (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810335588.4A Expired - Fee Related CN108548910B (en) | 2018-04-16 | 2018-04-16 | Method for detecting water content of deep dewatered sludge |
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| WO2021114112A1 (en) * | 2019-12-10 | 2021-06-17 | 深圳市能源环保有限公司 | Method for measuring and calculating sludge calorific value based on sludge volatile content |
| CN114414594A (en) * | 2021-12-22 | 2022-04-29 | 山东东阿国胶堂阿胶药业有限公司 | Online detection device for moisture of gelatin paste for donkey-hide gelatin production |
| CN115684556A (en) * | 2023-01-04 | 2023-02-03 | 中国市政工程西南设计研究总院有限公司 | Intelligent monitoring system and method for mine geothermal deep well water content |
| CN116559683A (en) * | 2023-04-21 | 2023-08-08 | 辽宁充宝汽车新能源科技有限公司 | Method and device for monitoring schedulable charging capacity of mobile energy storage station |
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