CN108254050A - A kind of dewatered sludge metering device and method - Google Patents
A kind of dewatered sludge metering device and method Download PDFInfo
- Publication number
- CN108254050A CN108254050A CN201711431479.4A CN201711431479A CN108254050A CN 108254050 A CN108254050 A CN 108254050A CN 201711431479 A CN201711431479 A CN 201711431479A CN 108254050 A CN108254050 A CN 108254050A
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- dewatered sludge
- measuring tank
- plc
- foul smell
- screw conveyor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
- G01G13/24—Weighing mechanism control arrangements for automatic feed or discharge
- G01G13/248—Continuous control of flow of material
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Treatment Of Sludge (AREA)
Abstract
A kind of dewatered sludge metering device and method, belong to field of solid waste treating technology, suitable for the metering of dewatered sludge.Measuring tank measures each inlet amount by weighing sensor, PLC in weighing sensor output 4~20mA signal input control casees, output doses is calculated according to the signal received by PLC, screw conveyor rotary speed is calculated according to output doses PLC, thereby determine that the running frequency of screw conveyor motor, by controlling discharging spiral conveyor FREQUENCY CONTROL rotating speed, so as to control load, dewatered sludge after metering is discharged by measuring the discharging spiral conveyor that trench bottom is set；Measuring tank is equipped with foul smell mouth, foul smell in dewatered sludge metering process is moved out by foul smell mouth, and so as to be focused on, the foul smell that the foul smell mouth of dewatered sludge metering device setting can effectively prevent in sludge metering process escapes, secondary pollution is avoided, so as to improve working environment.
Description
Technical field
The present invention relates to a kind of dewatered sludge metering device and methods, belong to field of solid waste treating technology, are suitable for
The metering of dewatered sludge.
Background technology
With China's rapid development of economy and the quickening of urbanization process, the sludge quantity that China city generates is also quick
Increase.In sludge treatment field, sludge anhydration burning is a kind of technology that current national environmental protection recommends, application range compared with
Extensively, it is suitble to the municipal sludge of processing China's different characteristics.Corollary apparatus of the dewatered sludge metering device as dewatered sludge transport system,
To ensureing the significant of sludge treating system stable operation.Therefore, to measuring, accurate, simple in structure, easy to operate, operation is steady
It is imperative that dewatered sludge metering device and method fixed, controllable degree is high, cost of investment is low further investigate.
Invention content
For overcome the deficiencies in the prior art, the present invention provides a kind of dewatered sludge metering device and method.
A kind of dewatered sludge metering device, measuring tank top connection observation panel, feed inlet and foul smell mouth, measuring tank inside connects
Agitating device, weighing sensor are connect with measuring tank, connection screw conveyor below measuring tank, are connected out below screw conveyor
Material mouth.
The connection of agitating device and measuring tank is connected to be axial.The motor of screw conveyor is adjustable frequency motor.
A kind of dewatered sludge metering method, includes the following steps：
Step (1), dewatered sludge are entered by the feed inlet of measuring tank, and dewatered sludge first passes around measuring tank and carries out Weighing,
Under the action of the agitating device set inside measuring tank, steadily blanking；
PLC in step (2), weighing sensor output 4~20mA signal input control casees, by PLC according to receiving
Signal calculates output doses, calculates screw conveyor rotary speed according to output doses PLC, thereby determines that spiral transferring
The running frequency of electromechanical machine is sent, measuring tank so as to control by by controlling discharging spiral conveyor FREQUENCY CONTROL rotating speed, discharging
Amount, according to the adjusting running frequency of process requirement below, ensures the accurate control of load,
Step (3), dewatered sludge after metering are discharged by measuring the discharging spiral conveyor that trench bottom is set；
Step (4), measuring tank are equipped with foul smell mouth, and the foul smell in dewatered sludge metering process is moved out by foul smell mouth, from
And it is focused on.
It is further comprising the steps of：The charging control of measuring tank is supplemented according to the load of previous unit, load root
Measured according to weighing sensor in the unit interval of setting measuring tank disengaging doses difference determine, weighing sensor output 4~
PLC in 20mA signal input control casees calculates output doses, according to outputting material by PLC according to the signal received
Amount PLC calculates screw conveyor rotary speed, thereby determines that the running frequency of screw conveyor motor, passes through control discharging spiral shell
Conveyer FREQUENCY CONTROL rotating speed is revolved, so as to control load, ensures the accurate control of load, dewatered sludge is set through measuring trench bottom
The discharging spiral conveyor discharge put.
Beneficial effects of the present invention are compared with prior art：
(1) the charging measure control of measuring tank is more accurate, ensure that the stable operation of sludge treating system；
(2) phenomena such as being effectively prevented hardened material, putty, building bridge, auxiliary dewatered sludge is normal, steadily blanking,
Suitable for the processing of the big semi-dry sludge of stickiness；
(3) measuring tank can realize quick feeding, due to the control unit smaller of segmentation, thus control more accurate；
(4) it is simple in structure, stable, high degree of automation and cost of investment is low；
(5) environmentally friendly degree is high, and the foul smell mouth of dewatered sludge metering device setting can effectively prevent in sludge metering process
Foul smell escape, secondary pollution is avoided, so as to improve working environment.
Description of the drawings
When considered in conjunction with the accompanying drawings, by referring to following detailed description, can more completely more fully understand the present invention with
And easily learn many of which with the advantages of, but attached drawing described herein is used to provide further understanding of the present invention,
The part of the present invention is formed, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, does not form to this hair
Bright improper restriction, such as figure are wherein：
Fig. 1 is the structural diagram of the present invention.
The present invention is further described with reference to the accompanying drawings and examples.
Specific embodiment
Obviously, those skilled in the art belong to the guarantor of the present invention based on many modifications and variations that spirit of the invention is done
Protect range.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that is used in the specification of the present invention arranges
Diction " comprising " refers to there are the feature, integer, step, operation, element and/or component, but it is not excluded that presence or addition
Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when claiming element, group
When part is "connected" to another element, component, it can be directly connected to other elements either component or there may also be in
Between element or component.Wording "and/or" used herein includes any cell of one or more associated list items
With whole combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined all terms used herein are (including technology art
Language and scientific terminology) there is the meaning identical with the general understanding of the those of ordinary skill in fields.
Embodiment 1：As shown in Figure 1, a kind of dewatered sludge metering device, including measuring tank 1, observation panel 2, feed inlet 3, foul smell
Mouth 4, weighing sensor 5, agitating device 6, screw conveyor 7, discharge port 8,1 top of measuring tank connection observation panel 2, feed inlet 3
With foul smell mouth 4, the axial agitating device 6 of 1 inside connection of measuring tank, weighing sensor 5 is connect with measuring tank 1,1 lower section of measuring tank
Connect screw conveyor 7,7 lower section connection discharge port 8 of screw conveyor.
Weighing sensor 5 obtains the weight of measuring tank 1, and weighing sensor 5 is exported in 4~20mA signal input control casees
PLC, output doses is calculated by PLC according to the signal received, and screw conveyor 7 is calculated according to output doses PLC
Rotary speed thereby determines that the running frequency of screw conveyor motor.By controlling 7 FREQUENCY CONTROL rotating speed of discharging spiral conveyor
Load is controlled, the load of running frequency control measuring tank 1 is adjusted according to process requirement below, to ensure the essence of load
Really control, measuring tank 1 are discharged using the screw conveyor 7 of frequency control, and the lower part of screw conveyor 7 is provided with discharge port 8.
Agitating device 6 and the connection of measuring tank 1 are connected to be axial, the axial agitating device 6 of 1 inside setting of measuring tank, can
Phenomena such as to be effectively prevented hardened sludge, putty, build bridge, auxiliary dewatered sludge is normal, steadily blanking.
Measuring tank 1, so as to control load, realizes its discharging by controlling 7 FREQUENCY CONTROL rotating speed of discharging spiral conveyor
The adjusting control according to process requirement below is measured, to ensure the accurate control of load.
Measuring tank 1 can realize quick feeding, due to the control unit smaller of segmentation, thus control more accurate.
Measuring tank 1 has foul smell mouth 4, can avoid odor pollution well.
Measuring tank 1 is discharged using the screw conveyor 7 of frequency control, can not only prevent sludge from building bridge, it can also be ensured that
The stabilization of sludge load.
The screw conveyor 7 that measuring tank 1 discharges uses frequency control.
A kind of dewatered sludge metering method, includes the following steps：
Step (1), dewatered sludge are entered by the feed inlet of measuring tank 1, and dewatered sludge first passes around measuring tank 1 and carries out poidometer
It measures, under the action of the agitating device set inside measuring tank 1, steadily blanking；
Step (2), measuring tank 1 are by controlling 7 FREQUENCY CONTROL rotating speed of discharging spiral conveyor, real so as to control load
Its existing load ensures the accurate control of load according to the adjusting control of process requirement below；
The charging control of measuring tank 1 is supplemented according to the load of previous unit, when load is according to the unit of setting
Between in the measuring tank 1 measured of weighing sensor 5 pass in and out the difference of doses and determine that weighing sensor 5 exports the input of 4~20mA signals
PLC in control cabinet, output doses is calculated by PLC according to the signal received, and spiral shell is calculated according to output doses PLC
7 rotary speed of conveyer is revolved, thereby determines that the running frequency of screw conveyor motor.By controlling 7 frequency of discharging spiral conveyor
Rate control rotating speed control load, to ensure the accurate control of load, the discharging spiral that dewatered sludge is set through 1 bottom of measuring tank
Conveyer 7 is discharged, and the decrement of the detection data of Weighing module 5 represents the actual fed amount of measuring tank 1, and according to Weighing module
The difference of 5 detection data and the conveying capacity of default adjusts the running frequency of screw conveyor 7, is adjusted simultaneously so as to reach
The purpose of the practical load of control.
Step (3), dewatered sludge after metering are discharged by the discharging spiral conveyor 7 that 1 bottom of measuring tank is set；
Step (4), measuring tank 1 are equipped with foul smell mouth, and the foul smell in dewatered sludge metering process is moved out by foul smell mouth, from
And it is focused on.
Weighing sensor 5 of the present invention can select photo-electric, fluid pressure type, electromagnetic type, condenser type, magnetic pole deformation type, shake
The 8 class sensor such as dynamic formula, gyro ceremony or resistance-strain type.
The present invention fully achieves home-made equipment, while realizes the automation of sludge treatment technique control, and pass through reduction
Input cost extra earning benefit.
As above, the embodiment of the present invention is explained in detail, as long as but essentially without the disengaging present invention's
Inventive point and effect can have many deformations, this will be readily apparent to persons skilled in the art.Therefore, it is such
Variation is also integrally incorporated within protection scope of the present invention.
Claims (5)
1. a kind of dewatered sludge metering device, it is characterised in that measuring tank top connection observation panel, feed inlet and foul smell mouth, measuring tank
Inside connection agitating device, weighing sensor are connect with measuring tank, connection screw conveyor below measuring tank, under screw conveyor
Side's connection discharge port.
A kind of 2. dewatered sludge metering device according to claim 1, it is characterised in that the connection of agitating device and measuring tank
For axial connection.
3. a kind of dewatered sludge metering device according to claim 1, it is characterised in that the motor of screw conveyor is becomes
Frequency motor.
4. a kind of dewatered sludge metering method, it is characterised in that include the following steps：
Step (1), dewatered sludge are entered by the feed inlet of measuring tank, and dewatered sludge first passes around measuring tank and carries out Weighing, weighs
PLC in sensor output 4~20mA signal input control casees, measures each inlet amount, the stirring set inside measuring tank
Under the action of device, steadily blanking；
Step (2), PLC calculate output doses according to the signal received, and spiral transferring is calculated according to output doses PLC
Machine rotary speed is sent, thereby determines that the running frequency of screw conveyor motor, measuring tank is by controlling discharging spiral conveyor frequency
Rate controls rotating speed, so as to control its load, ensures the accurate control of load；
Step (3), dewatered sludge after metering are discharged by measuring the discharging spiral conveyor that trench bottom is set；
Step (4), measuring tank are equipped with foul smell mouth, and the foul smell in dewatered sludge metering process is moved out by foul smell mouth, so as to
To centralized processing.
5. a kind of dewatered sludge metering method according to claim 4, it is characterised in that include the following steps：Measuring tank into
Material control is supplemented according to the load of previous unit, and load is measured according to weighing sensor in unit interval of setting
Measuring tank disengaging doses difference determine, weighing sensor output 4~20mA signal input control casees in PLC, by PLC according to
The signal received calculates output doses, calculates screw conveyor rotary speed according to output doses PLC, thus really
Determine the running frequency of screw conveyor motor, by controlling discharging spiral conveyor FREQUENCY CONTROL rotating speed, so as to control load,
Ensure the accurate control dewatered sludge of load, the discharging spiral conveyor through measuring trench bottom setting is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711431479.4A CN108254050A (en) | 2017-12-26 | 2017-12-26 | A kind of dewatered sludge metering device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711431479.4A CN108254050A (en) | 2017-12-26 | 2017-12-26 | A kind of dewatered sludge metering device and method |
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| Publication Number | Publication Date |
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| CN108254050A true CN108254050A (en) | 2018-07-06 |
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ID=62723957
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| CN201711431479.4A Pending CN108254050A (en) | 2017-12-26 | 2017-12-26 | A kind of dewatered sludge metering device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115922895A (en) * | 2023-01-06 | 2023-04-07 | 佛山生态海绵城市科技发展有限公司 | Charging control method and system |
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