CN109231780A - Intelligent low-power consumption sludge low temperature anhydration system - Google Patents
Intelligent low-power consumption sludge low temperature anhydration system Download PDFInfo
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- CN109231780A CN109231780A CN201811164808.8A CN201811164808A CN109231780A CN 109231780 A CN109231780 A CN 109231780A CN 201811164808 A CN201811164808 A CN 201811164808A CN 109231780 A CN109231780 A CN 109231780A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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Abstract
The invention discloses a kind of intelligent low-power consumption sludge low temperature anhydration systems, it include: into mud device (1), drying box (2), it dehumidifies heating device (3), dust-extraction unit (4) and gas pipeline, it is described to be connected into mud device (1) setting above drying box (2) and with drying device (2), the drying box (2) is connect by gas pipeline with dehumidifying heating device (3), dust-extraction unit (4) setting is between drying box (2) and dehumidifying heating device (3), sludge discharge hole (2-5) is equipped in the bottom of drying box (2), carry out automatic sampling of the automatic sampling device (7) to drying box (2) interior sludge, the moisture content of water content on-line testing device (9) the detection sample sludge, according to the testing result of moisture content, to adjust the dirt of the drying box (2) Mud transmission speed.The present invention has energy utilization rate height, and passes through the advantages of water content on-line testing device real-time monitoring moisture percentage in sewage sludge changes.
Description
Technical field
The present invention relates to sludge drier field, specifically a kind of intelligent low-power consumption sludge low temperature desiccation system
System.
Background technique
Pollutant contained by sludge generally has very high calorific value, but due to the presence of large quantity of moisture, so that this part
Calorific value is unable to get utilization.If burning the sludge of high-moisture percentage, it not only cannot get calorific value, it is also necessary to a large amount of supplement fuel ability
Complete burning.If the moisture content of sludge dropped to a certain degree, burning is exactly possible, moreover, the obtained heat that burns
It can satisfy the needs for partially or completely carrying out desiccation.Same reason, in other application occasion, reducing moisture content is also
It is crucial.Therefore, sludge drying or it is semi-oriented be the first step that recycling sludge utilizes.
Currently, common anhydration system is mainly with convection drying rotary drum technique, multilayer platform stepwise drying process, rotating disc type
Based on drying process, fluidized bed drying process etc..Common drying equipment includes electric heating sludge drying machine, hot water sludge drying
Machine, steam film desiccation machine, sun energy sludge drying bed, natural gas sludge drying machine, furnace flue gas waste heat sludge drying machine etc..So
And very widely used drying equipment is band drier currently on the market, can be suitble to the agricultural product such as food, vegetables, dirt
Multiple industries such as mud, chemical materials.Belt type sludge is dry because adaptable to wet mud, Awaiting Parts are few, long service life, do
The advantages such as dry temperature is low, receive significant attention, and have good market application prospect；But band drier generally uses at present
Steam, hot-blast stove or electric heating are heat source, using open hydrofuge mode, dry while taking away a large amount of heat, energy utilization rate
It is low, generally only 20-40%, operating cost height；And dehumidification is carried out under higher temperature conditions, dry final product quality is not easy to control
System, the influence vulnerable to manual operation；There is hidden danger factor as heat source using steam boiler or hot-blast stove, to operative employee
It is required that high, line service is high；And independent boiler room need to be built, it takes up a large area.Therefore heat-pump dehumidification combination is produced
The dry sludge drying technique of net belt type is that belt type sludge is dry, energy saving, in terms of there is very big advantage, dirt
Mud heat-pump dehumidification drying technique is dry by leading belt type sludge.
By analyzing above, it can be seen that realize the energy-efficient desiccation of sludge, there is also following for drying equipment at present
Several main problems: (1) sludge drying is Net Energy consumption process, and energy utilization rate is low；(2) do not have in mud drying process
The moisture content of real-time detection sludge causes partial sludge to fail abundant desiccation, while the case where cross desiccation there is also partial sludge
Thermal energy is wasted, a large amount of foul smell is discharged in whole process, responsible exhaust treatment system need to be built；(3) generally dehumidifying heat pump work
State is single, cannot achieve the real-time switching of two kinds of operating conditions (dehumidifying, hydrofuge)；(4) heat-pump dehumidification generates a large amount of condensed water
It is expelled directly out, resource utilization is not carried out to it, the big energy consumption of noise is high by way of additional blower cooling and dehumidifying heat pump.
Summary of the invention
In view of this, the present invention is high for above-mentioned energy consumption of the existing technology, environmental pollution is big, drying process sludge contains
Water rate can not real-time detection the technical issues of, propose that a kind of energy utilization rate is high, and pass through water content on-line testing device and figure
As the intelligent low-power consumption sludge low temperature anhydration system of the variation of processing technique real-time monitoring moisture percentage in sewage sludge.
The technical solution of the invention is as follows, provides a kind of following structure intelligent type low-power consumption sludge low temperature anhydration system,
It is described to be arranged into mud device in drying box including into mud device, drying box, dehumidifying heating device, dust-extraction unit and gas pipeline
Top is simultaneously connected with drying device, and the drying box is connect by gas pipeline with dehumidifying heating device, the dedusting
Device setting is equipped with sludge discharge hole between drying box and dehumidifying heating device, in the bottom of drying box, and described is intelligent
Low-power consumption sludge low temperature anhydration system further includes automatic sampling device and water content on-line testing device, the automatic sampling dress
It sets and water content on-line testing device is arranged inside drying box, air desiccation temperature in drying box is located at 60-
70℃；
Carry out automatic sampling of the automatic sampling device to sludge in drying box, the water content on-line testing device inspection
The moisture content of this sludge of test sample, according to the testing result of moisture content, to adjust the sludge transmission speed of the drying box.
Optionally, the drying box includes drying box, material conveyor belt, decelerating motor, sludge inlet and sludge
Discharge port, material conveyor belt are in multi-tier arrangement, and every layer of the material conveyor belt is connected with decelerating motor, the sludge
The top of drying box is arranged in feed inlet, and the bottom end of drying box is arranged in the sludge discharge hole, in the sludge
Discharge outlet is provided with material Open valve, be respectively arranged on the drying box humid air exhaust duct and dry air into
Air piping.
Optionally, the automatic sampling device includes small and special electric machine, fixed plate, handgrip, H-type connecting plate, steering engine, straight line
Connecting rod, oblique line connecting rod, the described H-type connecting plate connection small and special electric machine and fixed plate control horizontally rotating for handgrip, and described is straight
Line connecting rod and oblique line connecting rod are mounted in fixed plate, and the rotation of two rocking bars drives the folding of handgrip, to realize the clamping of sample.
Optionally, the water content on-line testing device includes Pneumatic ledal-pushing, suction nozzle, suction nozzle connecting rod, L-type connecting rod and contains
Water rate detector, the suction nozzle, suction nozzle connecting rod and L-type connecting rod constitute sample residue and absorb equipment, are mounted on moisture content detector
Side, the Pneumatic ledal-pushing is placed in top of the box, can quickly open and close, and guarantees the work of moisture content detector in preference temperature, institute
The suction nozzle connecting rod stated can produce outside drying box, and moving up and down for L-type connecting rod drives suction nozzle connecting rod mobile in vertical direction, absorb
It is moved after sample residue and discharges residue at chamber door.
Optionally, the dehumidifying heating device includes regenerator, evaporator, condenser and water condenser, and described returns
There are hot-air channel and cold air duct in hot device, passes through heat conduction fin inside the regenerator and heat exchange, institute are carried out to internal wind
It states drying box to be connected to by humid air exhaust duct with the hot-air channel, the hot-air channel is by heat exchange sheet to cold wind
Channel is heated, and the evaporator and condenser are fixedly connected with regenerator respectively, is condensed twice to hot wind, cold wind is twice
Heating, the dehumidifying heating device connect different pipelines by the opening and closing of dehumidify magnetic valve, hydrofuge solenoid valve, realize dehumidifying
The condensed water of the condensed water and regenerator that generate with the two different operating conditions of hydrofuge, the evaporator flows into water cooling by pipeline
Condenser.
Optionally, the intelligent low-power consumption sludge low temperature anhydration system further includes negative-pressure vacuum device, the negative pressure
Vacuum plant is connected with drying box, and the negative-pressure vacuum device includes negative-pressure air fan, air valve and pressure test device, described
Pressure test device be installed on real-time detection air pressure value in drying box, the negative-pressure air fan is arranged in drying device
Gas vent, the negative-pressure air fan is connected with humid air exhaust duct, passes through negative-pressure vacuum device and increases drying box
Interior saturation of the air humidity.
Optionally, described into mud device includes sludge apparatus for temporary storage, motor-driven valve, banded extruder composition, and the sludge is first
Into sludge apparatus for temporary storage, sludge is extruded by noodle shape by banded extruder, so that sludge forms Stilt layer when dry, is increased
The heat and mass effect of sludge and dry air, the motor-driven valve is used to control the opening and closing in sludge apparatus for temporary storage exit, described
It acts synergistically when motor-driven valve is closed with negative-pressure vacuum device, forms negative pressure state in drying box.
Optionally, the dust-extraction unit includes cyclone separator and dust-removal cloth-bag, and the dust-removal cloth-bag setting is being revolved
The rear end of wind separator, the humid air containing dust are introduced into cyclone separator by humid air exhaust duct, utilize centrifugal force
Principle separates dust most of in air, carries out dedusting again using dust-removal cloth-bag later, the humid air after dedusting
Into the regenerator.
Using the above structure, the invention has the following advantages that the moisture percentage in sewage sludge of (1) feed inlet is uncertain will lead to it is each
Partial sludge drying is uneven, devises water content on-line testing device in the present invention, a small amount of by mechanical gripper crawl
Mud sample is put into the moisture content for the sludge between two layers that gets off on Accurate Determining different moments band drier in Moisture Meter；
(2) more vapor can be carried in air in the case where negative pressure, therefore by pumping the intracorporal air of drying box in the present invention
So that the air of same volume carries more moisture, so that the drying efficiency of sludge is improved, simultaneously design charging discharging
The material of mouth is cached to achieve the purpose that cabinet is closed；(3) present invention employs cyclone separator means to cooperate dust-removal cloth-bag, pole
The content for reducing to big degree dust particles in circulation air, avoids the risk for generating explosion；(4) real using heat exchanger
The quick heating and saturation of air are realized in the now heat transmitting of saturation hot-air and dry cold air by condenser and evaporator
The rapid condensation of air, and the water condensed is used for cooling for compressor, realize making full use of for resource.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of the intelligent low-power consumption sludge low temperature anhydration system of the present invention；
Fig. 2 is the drying box structural schematic diagram of the intelligent low-power consumption sludge low temperature anhydration system of the present invention；
Fig. 3 is the dehumidifying heating device schematic diagram of the intelligent low-power consumption sludge low temperature anhydration system of the present invention；
Fig. 4 is sludge handgrip detail view in the intelligent low-power consumption sludge low temperature anhydration system of the present invention；
Fig. 5 is heat exchange principle figure in the intelligent low-power consumption sludge low temperature anhydration system of the present invention.
As shown, 1, into mud device, 1-1, sludge apparatus for temporary storage, 1-2 motor-driven valve, 1-3, banded extruder, 2, drying box, 2-
1, drying box, 2-2, material conveyor belt, 2-3, decelerating motor, 2-4, sludge inlet, 2-5, sludge discharge hole, 2-6, sludge
Open valve, 3, dehumidifying heating device；3-5,3-1, regenerator, 3-2, evaporator, 3-3, condenser, 3-4, water condenser are removed
Wet solenoid valve, 3-6, hydrofuge solenoid valve, 3-7, evaporator condensation water pond, 3-8, regenerator condense water pond, 3-9, dehumidifying pipeline, 3-
10, fresh air inlet, 3-11, air inlet solenoid valve, 3-12, air outlet, 3-13, wet-emitting blower, 3-14, fluid reservoir, 3-15, compression
Machine, 3-16, water condenser outlet, 3-17, dehumidifying pipelines, 3-18, condensate pipe, 3-19, expansion valve, 3-20, filter, 4,
Dust-extraction unit, 4-1, cyclone separator, 4-2, dust-removal cloth-bag, 5, gas pipeline, 5-1, humid air exhaust duct, 5-2, dry air
Intake stack, 6, the online pattern recognition device of sludge, 6-1, CCD camera, 6-2, signal processing system, 7, automatic sampling device,
7-1, small and special electric machine, 7-2, fixed plate, 7-3, handgrip, 7-4, H-type connecting plate, 7-5, steering engine, 7-6, straight line connecting rod, 7-7, oblique line
Connecting rod negative-pressure air fan, 8, negative-pressure vacuum device, 8-1, negative-pressure air fan, 8-2, air valve, 8-3, pressure test device, 9, moisture content exists
Line detector, 9-1, Pneumatic ledal-pushing, 9-2, suction nozzle, 9-3, suction nozzle connecting rod, 9-4, L-type connecting rod, 9-5, moisture content detector.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
The present invention covers any substitution made on the essence and scope of the present invention, modification, equivalent method and scheme.For
So that the public is had thorough understanding to the present invention, is described in detail concrete details in the following preferred embodiment of the present invention, and
The present invention can also be understood completely in description without these details for a person skilled in the art.In addition, the attached drawing of the present invention
In be explained herein not being drawn to scale accurately completely for the needs of signal.
As shown, illustrate intelligent low-power consumption sludge low temperature anhydration system of the invention, including into mud device 1, dry
Dry case 2, dehumidifying heating device 3, dust-extraction unit 4 and gas pipeline, it is described be arranged drying box 2 above into mud device 1 and with do
Dry device 2 is connected, and the drying box 2 is connect by gas pipeline with dehumidifying heating device 3, and the dust-extraction unit 4 is set
It sets between drying box 2 and dehumidifying heating device 3, is equipped with sludge discharge hole 2-5 in the bottom of drying box 2, described is intelligent
Low-power consumption sludge low temperature anhydration system further includes automatic sampling device 7 and water content on-line testing device 9, the automatic sampling
Device 7 and water content on-line testing device 9 are arranged inside drying box 2, and desiccation temperature is located at 60-70 in the drying box 2
℃；
Carry out automatic sampling of the automatic sampling device 7 to sludge in drying box 2, the water content on-line testing device
The moisture content of 9 detection sample sludge, according to the testing result of moisture content, to adjust the sludge transmission speed of the drying box 2.
For moisture content on-line checking other than the scheme by the way of automatic sampling and detection, can also using figure
As knowing otherwise, for example, the sampling online pattern recognition device 6 of sludge state, the online image recognition dress of the sludge state
6 settings are set inside drying box 2；Carry out image knowledge of the online pattern recognition device 6 of sludge state to sludge in drying box 2
Not, and accordingly the moisture content of sludge, the moisture content detected according to image recognition, to adjust the sludge of the drying box 2 are detected
Transmission speed.
Described includes sludge apparatus for temporary storage 1-1, motor-driven valve 1-2 and banded extruder 1-3 into mud device 1, and the sludge is first
Into sludge apparatus for temporary storage 1-1, sludge is extruded by noodle shape by banded extruder 1-3, in favor of sludge formed when dry it is aerial
Layer increases the heat and mass effect of sludge and dry air, and the motor-driven valve 1-2 is for controlling the outlet sludge apparatus for temporary storage 1-1
The opening and closing at place acts synergistically with negative-pressure vacuum device when the motor-driven valve 1-2 is closed, forms negative pressure state in drying box.
The drying box 2 includes drying box 2-1, material conveyor belt 2-2, decelerating motor 2-3, sludge inlet 2-4
With sludge discharge hole 2-5, material conveyor belt 2-2 be in multi-tier arrangement, every layer of the material conveyor belt 2-2 with decelerating motor 2-
3 are connected, and the top of drying box 2-1 is arranged in the sludge inlet 2-4, and the sludge discharge hole 2-5 setting exists
The bottom end of drying box is provided with material Open valve 2-6, the drying box 2-1 at the sludge discharge hole 2-4
On be respectively arranged with humid air exhaust duct 5-1 and dry air intake stack 5-2.
The automatic sampling device 7 is installed at the blanking of first layer mesh belt end, is convenient for from first layer mesh belt and the second layer
Mud bar sample is clamped between mesh belt.Automatic sampling device 7 includes small and special electric machine 7-1, fixed plate 7-2, handgrip 7-3, H-type connecting plate
7-4, steering engine 7-5, straight line connecting rod 7-6, oblique line connecting rod 7-7, the H-type connecting plate 7-4 connection small and special electric machine 7-1 and fixed plate
7-2, horizontally rotating for handgrip 7-3 being controlled, the straight line connecting rod 7-6 and oblique line connecting rod 7-7 are mounted on fixed plate 7-2, and two
The rotation of rocking bar drives the folding of handgrip 7-3, realizes the clamping of sample.The rotation of small and special electric machine 7-1 drives the water of fixed plate 7-2
Flat turn is dynamic, and steering engine 7-5 drives straight line connecting rod 7-6 and oblique line connecting rod 7-7 movement on fixed plate 7-2 to constitute double rocker mechanism, together
When the pinching action of handgrip 7-3 that controls, folding can complete the crawl of sample at mesh belt blanking.
The water content on-line testing device 9 includes test cabinet, Pneumatic ledal-pushing 9-1, suction nozzle 9-2, suction nozzle connecting rod 9-
3, L-type connecting rod 9-4 and moisture content detector 9-5, Pneumatic ledal-pushing 9-1 and handgrip 7-3 are in same plane, handgrip clamping to sample
It is rotated horizontally right above 180 ° of arrival test cabinets afterwards, unclamps handgrip, sample is fallen into test box body, and handgrip continues 180 ° of rotation
Former operating position is returned to, sampling process is completed.The suction nozzle 9-2, suction nozzle connecting rod 9-3, L-type connecting rod 9-4 constitute sample residue and inhale
Except equipment, it is mounted on the left side of moisture content detector 9-5, Pneumatic ledal-pushing 9-1 is placed in top of the box, can quickly open and close, and guarantees to contain
Water rate detector 9-5 works in preference temperature, and the suction nozzle connecting rod 9-3 can be produced outside cabinet at certain position, L-type connecting rod
Moving up and down for 9-4 drives suction nozzle connecting rod 9-3 mobile in vertical direction, and the mobile release at chamber door is residual after absorbing sample residue
Slag.
The test cabinet is heat insulating box, and outer layer uses superhigh temperature heat-barrier material, completely cuts off oven interior high temperature, is guaranteed
Detecting instrument works normally.It tests and is equipped with Pneumatic ledal-pushing 9-1 at cabinet chamber door, in handgrip blowing front opening chamber door, sample is fallen into
Chamber door is closed rapidly after detecting instrument, guarantees the negative pressure state in baking oven.The sample residue absorption device is two connecting rod hands
Arm, pedestal are fixed on the right side of detecting instrument, and cylinder driving L-type connecting rod 9-4 is moved up and down, L-type connecting rod 9-4 and suction nozzle connecting rod 9-3
It is connected by revolute pair, the rotational angle of two connecting rods of motor control.When sample detection finishes, suction nozzle connecting rod 9-3 is turned to
With L-type connecting rod 9-4 parallel position, L-type connecting rod 9-4 drops to suction nozzle 9-2 close to detecting instrument 9-5 upper surface location, suction nozzle 9-2
L-type connecting rod 9-4 rises to extreme higher position and stops moving up and down after absorption residue sample, and suction nozzle connecting rod 9-3 is started turning, while case
Door is opened, and suction nozzle 9-2 slowly produces cabinet, and when suction nozzle connecting rod 9-3 is parallel with case outslope, suction nozzle 9-2 discharges sample residue,
Since air pressure is higher than cabinet external pressure in cabinet, sample residue can flow to the discharge of the air-flow outside cabinet with by box house
It goes, slides back to second layer mesh belt along slope.Pressure test device is equipped in drying box, the pressure sensor in pressure test device is logical
The openings of sizes for crossing the intracorporal atmospheric pressure value control air inlet air valve of detection drying box, maintains to stablize negative pressure state in baking oven.
The online pattern recognition device 6 of the sludge state includes several CCD cameras 6-1 and signal processing system 6-2,
The CCD camera 6-1 is fixed on drying box 2-1, and multiple CCD phases are provided with right above every layer of material conveyor belt 2-2
Machine 6-1 is transmitted to signal processing system 6-2, signal processing system by the image information that CCD camera 6-1 acquires Sludge Surface
6-2 detection moisture percentage in sewage sludge and the revolving speed for controlling the decelerating motor in drying box 2, and then control sludge transmission speed.
The signal processing system 6-2 of the online pattern recognition device 6 of the sludge state includes image processing module and letter
Two modules of processing module are ceased, the image processing module is read out by matlab and acquired by each position camera 6-1
Sludge Surface on color information and flaw area, the BP nerve net that the message processing module is established in initial data
Color information obtained in input picture processing module and flaw area estimate current location current time mud cake in network
Moisture content, moisture content is fed back into controller, and then accurately adjust material conveyor belt 2-2 transmission speed and (slow down by control
The revolving speed of motor 2-3 is realized).
The dehumidifying heating device 3 includes regenerator 3-1, evaporator 3-2, condenser 3-3 and water condenser 3-4, institute
Have hot-air channel and cold air duct in the regenerator 3-1 stated, inside the regenerator 3-1 by heat conduction fin to internal wind into
Row heat exchange, the drying box 2-1 are connected to by humid air exhaust duct 5-1 with the hot-air channel, the hot-air channel
Cold air duct is heated by heat exchange sheet, the evaporator 3-2 and condenser 3-3 are fixed with regenerator 3-1 respectively
Connection, condenses hot wind twice, and cold wind heats twice, and the dehumidifying heating device 3 passes through dehumidify magnetic valve 3-5, hydrofuge electricity
The opening and closing of magnet valve 3-6 connects different pipelines, realizes dehumidifying and the two different operating conditions of hydrofuge, and the evaporator 3-2 is generated
Condensed water and regenerator condensed water pass through pipeline flow into water condenser 3-4.It is low that air draft is equipped in humid air exhaust duct 5-1
Pressure fan.
The intelligent low-power consumption sludge low temperature anhydration system further includes negative-pressure vacuum device, the negative-pressure vacuum device
It is connected with drying box 2, the negative-pressure vacuum device includes negative-pressure air fan 8-1, air valve 8-2 and pressure test device 8-3, institute
The pressure test device 8-3 stated is installed on real-time detection air pressure value in drying box 2-1, and the negative-pressure air fan 8-1 is set
The gas vent in drying device 2 is set, the negative-pressure air fan 8-1 is connected with humid air exhaust duct 5-1, true by negative pressure
Empty device increases the saturation of the air humidity in drying box 2-1.
Described includes sludge apparatus for temporary storage 1-1, motor-driven valve 1-2 and banded extruder 1-3 into mud device 1, and the sludge is first
Into sludge apparatus for temporary storage 1-1, sludge is extruded by noodle shape by banded extruder 1-3, in favor of sludge formed when dry it is aerial
Layer increases the heat and mass effect of sludge and dry air, and the motor-driven valve 1-2 is for controlling the outlet sludge apparatus for temporary storage 1-1
The opening and closing at place acts synergistically with negative-pressure vacuum device when the motor-driven valve 1-2 is closed, forms negative pressure state in drying box.
It is described to scrape mud shovel and charging rotary harrow into being equipped in mud device.
The dust-extraction unit 4 includes cyclone separator 4-1 and dust-removal cloth-bag 4-2, and the dust-removal cloth-bag setting is being revolved
The rear end of wind separator 4-1, the humid air containing dust are introduced into cyclone separator 4-1 by humid air exhaust duct 5-1, benefit
Dust most of in air is separated with centrifugal principle, carries out dedusting again, dedusting using dust-removal cloth-bag 4-2 later
Humid air afterwards enters the regenerator 3-1.
Acquired image is extracted into image RGB feature after image enhancement, denoising, then will by color space conversion
RCB Feature Conversion is HIS feature, and the mud cake upper surface flaw area is calculated by by thresholding method and region-growing method
It combines and constructs area-of-interest, area-of-interest mud cake upper surface crack for identification is interested by calculating
Region area obtains mud cake upper surface flaw area.
It is that platform realizes moisture content real-time detection that the online pattern recognition device of sludge state, which is based on matlab, by scheming
As two module compositions of processing module and message processing module, the major function of the image processing module is to pass through
Matlab read out by each position CCD2-3 the letter such as HSI in collected mud cake upper surface image and flaw area
Breath, the message processing module is the original sample institute by N group including the information such as sample flaw area, HSI, moisture content
BP (back propagation) neural network of foundation, H (tone Hue), S (saturation degree Saturation), I (brightness
Intensity) and flaw area makees four samples input of neural network, and HSI characterizes the color information of image, and moisture content is
Image information obtained in image processing module is input in BP neural network by the output of neural network, is estimated current
The moisture content of position current time mud cake.
In order to optimize the design of moisture content detection, the online pattern recognition device 6 of sludge state and sampling can be set simultaneously
Detection device, the sampling Detection device include automatic sampling device 7 and water content on-line testing device 9.For this purpose, increasing by one
Revolution speed control device.The online pattern recognition device 6 of revolution speed control device synthesis sludge state and sampling Detection device
Testing result adjusts the revolving speed of decelerating motor.By comparing the information processing function by the online pattern recognition device of sludge state
The moisture content and sampling Detection device of the current moisture content of the mud cake that module estimates, the original sample at current location current time
Measured moisture content come judge the period desiccation effect and the prediction desiccation effect of following a period of time or prediction contain
Water rate, and obtain the required time that achieves the desired results.If desiccation effect is inferior to desired effect, slow down turning for decelerating motor
Speed；If desiccation effect achieves the desired results, keep the revolving speed of decelerating motor constant.
The image processing module includes that HSI feature extraction and mud cake upper surface flaw area calculate, and the HSI is special
Sign is extracted as acquired image extracting image RGB feature (red, green, blue) after image enhancement, denoising, then leads to
It is HIS feature that color space conversion, which is crossed, by RCB Feature Conversion, and the mud cake upper surface flaw area is calculated by dividing threshold value
It cuts method and is combined with region-growing method and construct area-of-interest, the area-of-interest is split mud cake upper surface for identification
Seam obtains mud cake upper surface flaw area by calculating area-of-interest area.
The neural network is to realize the BP mind of building in matlab by error back propagation method learning method
Through network model, neural network is connect with real system, real system provides original sample as neural network as teacher
Desired output (be originally inputted-member be output), the adjusting for passing through retrospectively calculate weight and hidden neuron number, which is established, closes
Suitable neural network.
The intelligent low-power consumption sludge low temperature anhydration system further includes negative-pressure vacuum device, the negative-pressure vacuum device
It is connected with drying box 2, the negative-pressure vacuum device includes negative-pressure air fan 8-1, air valve 8-2 and pressure test device 8-3, institute
The pressure test device 8-3 stated is installed on real-time detection air pressure value in drying box 2-1, and the negative-pressure air fan 8-1 is set
The gas vent in drying device 2 is set, the negative-pressure air fan 8-1 is connected with humid air exhaust duct 5-1, true by negative pressure
Empty device increases the saturation of the air humidity in drying box 2-1.
The negative-pressure air fan 8-1 is installed on the top of entire drying box, and blower tail portion is connected with humid air exhaust duct,
The damp-heat air in baking oven is extracted out box house by the rotation of blower, the relative barometric pressure of box house is reduced, so that cabinet
Internal absolute humidity improves, and accelerates the desiccation of mud item.
It is installation and the air valve of the bottom of box with negative-pressure air fan 8-1 cooperating, the openings of sizes of air valve examined by air pressure
The pressure sensor surveyed in device measures feedback control, when box house negative relative is too low, then opens valve port and is sent into fresh air.Liquid
Pressure valve is mounted below second layer mesh belt blanking, and the mud item for completing desiccation is deposited in hydraulic valve valve port, it is therefore desirable to which timing is opened
Hydraulic valve valve port clears up mud item, and cleaning work is completed late gate and closed immediately.Electrically operated valve is mounted on above drying box mud inlet,
Open valve port when will be into mud, into mud after the completion of close port.
Negative-pressure air fan 8-1 remains rotation exhausting state, and when into mud, electrically operated valve is opened, and pug enters to be filled into mud
It sets, is deposited in and cuts the pug in mud device and play certain sealing function, the intracorporal negative pressure of case is unaffected.It needs clear
When the mud of desiccation is completed in reason, hydraulic valve is opened, the air pressure inside the drying box of pressure sensor detection at this time, and control gas
The openings of sizes of valve maintains the negative pressure state of box house, the valve port of hydraulic valve, pressure sensor is closed after the completion of cleaning work
It is persistently detected in this process and result is fed back into air-supply valve.Negative-pressure air fan 2-6 is constantly in working condition, and air outlet passes through pipeline
It is connected with the air inlet of dehumidifying heating device.
The dehumidifying heating device 7 includes refrigeration cycle, dedusting, dehumidifying and hydrofuge mode, and the refrigeration cycle passes through
Condenser 3-3, evaporator 3-2, expansion valve and compressor 3-15, the compressor 3-15 are connected by copper pipe with condenser 3-3
Connect, the liquid refrigerants being connected in the copper pipe after compressor 3-15 is compressed, when flowing through condenser 3-3 carry out heat release to
It is heated by the air of condenser, reaches temperature rise effect, the outlet of the condenser 3-3 is connect by copper pipe with expansion valve,
The expansion valve will be vaporized effect to the refrigerant in copper pipe, and the steam state refrigerant enters in evaporator 3-2, due to liquid
Refrigerant vaporization will absorb a large amount of heat, cool down in this way to by the air of evaporator 3-2.The evaporation
Device 3-2 passes through fluid reservoir 3-14 by copper pipe, then is connected with compressor 3-15, and last refrigerant turns again to compression by copper pipe
Machine is compressed, and forms a refrigeration cycle in this way；
Wherein dust-extraction unit includes cyclopneumatic separator 4-1 and dust-removal cloth-bag 4-2, the air inlet of the cyclopneumatic separator 4-1
It is connect with pipeline 5-1, the hot wind containing a large amount of dusts entered by pipeline 5-1, by the centrifugation masterpiece of cyclopneumatic separator 4-1
With, dust granule is separated with air, achievees the effect that preliminary dust removal, the hot-air after the dedusting through pipeline arrival remove
Dirt cloth bag 4-2 intercepts dust granule using dust-removal cloth-bag 4-2 fine mesh and carries out final dedusting；
Under the dehumidification mode, by the big hot-air of humidity from regenerator 3-1 under the action of the negative-pressure air fan 8-1
Hot-side channel be blown into, after a heat exchange inside regenerator 3-1, by outlet conduit reach evaporator 3-2, air
It carries out primary cooling in evaporator 3-2 to come out condensate moisture, the saturated air being further dried, the saturated air
Regenerator 3-1 is again passed by through piping again, and carries out an internal heat exchange, realizes the first time heat temperature raising of air, institute
It states heating air to enter in condenser 3-3 by pipeline, condenser 3-3 is by meeting under internal cooling medium liquefaction exothermic effects to hot-air
It is heated again, realizes second of heat temperature raising of air；The air of the reheating enters belt type dry by pipeline
In dry case 2；
The hydrofuge module includes that the hot side air outlet of regenerator 3-1 and wet-emitting blower 3-13, the regenerator 3-1 are logical
Piping is by hydrofuge solenoid valve 3-6 (hydrofuge solenoid valve 3-6 is opened, and dehumidify magnetic valve 3-5 is closed) and wet-emitting blower 3-13 phase
Even, by hot-air, from gas outlet 3-12 discharge, (during hydrofuge, fresh air inlet 3-10 passes through electricity to the wet-emitting blower 3-13
Magnet valve 3-6 is opened, and is sucked fresh air, is reached hydrofuge effect).
The condenser 3-3 is placed in a link behind regenerator 3-1, not only realizes to inside condenser 3-3
The cooling of cooling material, change so traditional cold mode (traditional cold mode by outside blower to condenser dry, from
And reach the cooling to condenser 3-3, cool down here by using the air come out through regenerator 3-1 to condenser 3-3),
The primary heating to dry air is also achieved, energy consumption is reduced, realizes the Multi-class propagation of energy；Regenerator 3-1 and evaporator 3-2
Bottom of the frame installs water container, for collecting condensed water, guarantees drying in rack, prevents from getting rusty；The regenerator condensed water
Disk 3-8 and evaporator condensation water pond 3-7 enters in water condenser 3-4 by condensate pipe 3-18, and the water condenser is placed in
Around compressor 3-15, is cooled down by way of water cooling to the compressor in work, prolonged the service life.
Present apparatus working principle is as follows: there are two types of the present apparatus working method dehumidification mode and hydrofuge mode, under dehumidification mode
Dehumidify magnetic valve opening hydrofuge solenoid valve and air inlet solenoid valve are closed, and solenoid valve opening sludge, which enters, when device is started to work cuts mud
Device and full of mud device is cut, closes solenoid valve and feed inlet is sealed, the sludge quantity in mud device to be cut is reduced to a certain amount of
When, reopen charging solenoid valve.The hydraulic drive valve of discharge port is opened once every a period of time, and intermittence will be after desiccation
Sludge excludes drying box, so that most of the time discharge port is also in the state of sealing.Sludge is fallen after entering drying box
On first layer mesh bag, decelerating motor drives mesh bag rotation, and when strip sludge passes through CCD camera, the bat of camera intermittence takes dirt
Mud photo is sent to controller analysis processing, and having ring lamp around camera is camera light filling, when sludge falls into the from first layer mesh bag
When two layers of mesh bag, the moisture percentage in sewage sludge on-line measuring device installed between upper layer and lower layer mesh bag is started to work, and passes through mechanical gripping
Hand grabs the sludge fallen from first layer mesh bag, is put into test box body and completes to measurement of water-content coefficient, is drawn and is filled by residue
It sets and the mud sample after drying is taken out into test cabinet and is blowed on second layer mesh bag, sludge is dry by second layer mesh bag
It is dropped into after dry and then excludes drying box in mud extraction hopper, also there is several CCD cameras interval continuously to adopt on second layer mesh bag
Collect sludge image.When transmission mesh bag operates without stopping, heat pump system synchronous operation, negative-pressure air fan takes out the intracorporal air of drying box
It is sent out to dehumidifying heat pump, this process had both made the air in whole system flow, and was matched by the intake valve with hot wind
It closes and realizes negative pressure in drying box, the intracorporal pressure-detecting device real-time detection air pressure of drying box feeds back to controller, Jin Ergai
Become the working condition of negative-pressure air fan and hot wind intake valve, hot wind is from drying box bottom by second layer mesh bag using first layer net
Bag, the moisture in sludge enters in dry hot-air, so that dry air becomes the air of saturation, the hot-air warp of saturation
It crosses dehumidifying pipeline and enters cyclone separator, then the preliminary dust particles removed in air are further removed using dust-removal cloth-bag
Remove dust.Saturation hot-air first passes through heat exchanger and tentatively cools down after entering dehumidifying heat pump, will be in hot-air by temperature difference
Thermal energy passes to the cold air come out from evaporator, realizes nature heat exchange.The hot-air tentatively to cool down enters evaporator, evaporation
The expanded valve gasification heat absorption of freon in device, is condensed out the moisture carried in air for the temperature reduction of hot-air.It drops twice
Hot sky after temperature is condensed out a large amount of condensed water and send condenser to compressor to cooling compressor, hot-air drop into piping
Heat exchanger is arrived after temperature to cold air again and absorbs the heat that hot-air tentatively cools down, to realize the preliminary heating of cold air, tightly
Then cold air enters condenser, and the freon in condenser sets temperature through compressor compresses liquidation exothermic reaction, by hot air
Degree carries out heat drying to sludge, runs so on circulate subsequently into drying box.
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.
Only the preferred embodiment of the present invention has been described above, but is not to be construed as limiting the scope of the invention.This
Invention is not only limited to above embodiments, and specific structure is allowed to vary.In short, all guarantors in independent claims of the present invention
Made various change is within the scope of the invention in shield range.
Claims (8)
1. a kind of intelligent low-power consumption sludge low temperature anhydration system, comprising: into mud device (1), drying box (2), dehumidifying heating dress
Set (3), dust-extraction unit (4) and gas pipeline, it is described into mud device (1) setting above drying box (2) and with drying device (2)
It is connected, the drying box (2) is connect by gas pipeline with dehumidifying heating device (3), the dust-extraction unit (4) setting
Between drying box (2) and dehumidifying heating device (3), it is equipped with sludge discharge hole (2-5) in the bottom of drying box (2), feature
Be: the intelligent low-power consumption sludge low temperature anhydration system further includes automatic sampling device (7) and moisture content on-line checking
Device (9), the automatic sampling device (7) and water content on-line testing device (9) are arranged at drying box (2) inside, institute
The air stated is located at 60-70 DEG C in the interior desiccation temperature of drying box (2)；
Carry out automatic sampling of the automatic sampling device (7) to drying box (2) interior sludge, the water content on-line testing device
(9) moisture content for detecting sample sludge, according to the testing result of moisture content, to adjust the sludge transmission speed of the drying box (2)
Degree.
2. a kind of intelligent low-power consumption sludge low temperature anhydration system according to claim 1, it is characterised in that: described is dry
Dry case (2) includes drying box (2-1), material conveyor belt (2-2), decelerating motor (2-3), sludge inlet (2-4) and sludge
Discharge port (2-5), material conveyor belt (2-2) are in multi-tier arrangement, and every layer of the material conveyor belt (2-2) is and decelerating motor
(2-3) is connected, and the sludge inlet (2-4) is arranged in the top of drying box (2-1), the sludge discharge hole
The bottom end of drying box is arranged in (2-5), is provided with material Open valve (2-6), institute at the sludge discharge hole (2-4)
Humid air exhaust duct (5-1) and dry air intake stack (5-2) are respectively arranged on the drying box (2-1) stated.
3. a kind of intelligent low-power consumption sludge low temperature anhydration system according to claim 1 or 2, it is characterised in that: described
Automatic sampling device (7) include small and special electric machine (7-1), fixed plate (7-2), handgrip (7-3), H-type connecting plate (7-4), steering engine
(7-5), straight line connecting rod (7-6), oblique line connecting rod (7-7), the H-type connecting plate (7-4) connect small and special electric machine (7-1) and fixed
Plate (7-2) controls horizontally rotating for handgrip (7-3), and the straight line connecting rod (7-6) and oblique line connecting rod (7-7) are mounted on fixation
On plate (7-2), the rotation of two rocking bars drives the folding of handgrip (7-3), to realize the clamping of sample.
4. a kind of intelligent low-power consumption sludge low temperature anhydration system according to claim 3, it is characterised in that: described contains
Water rate on-line measuring device (9) includes Pneumatic ledal-pushing (9-1), suction nozzle (9-2), suction nozzle connecting rod (9-3), L-type connecting rod (9-4) and contains
Water rate detector (9-5), the suction nozzle (9-2), suction nozzle connecting rod (9-3) and L-type connecting rod (9-4) constitute the absorption of sample residue and set
It is standby, it is mounted on the side of moisture content detector (9-5), the Pneumatic ledal-pushing (9-1) is placed in top of the box, can quickly open and close, and protects
Moisture content detector (9-5) work is demonstrate,proved in preference temperature, the suction nozzle connecting rod (9-3) can produce outside drying box, L-type connecting rod
Moving up and down for (9-4) drives suction nozzle connecting rod (9-3) mobile in vertical direction, moves the release at chamber door after absorbing sample residue
Residue.
5. a kind of intelligent low-power consumption sludge low temperature anhydration system according to claim 2, it is characterised in that: described removes
Wet heating device (3) includes regenerator (3-1), evaporator (3-2), condenser (3-3) and water condenser (3-4), and described returns
There are hot-air channel and cold air duct in hot device (3-1), internal wind is carried out by heat conduction fin inside the regenerator (3-1)
Heat exchange, the drying box (2-1) are connected to by humid air exhaust duct (5-1) with the hot-air channel, and the hot wind is logical
Road heats cold air duct by heat exchange sheet, the evaporator (3-2) and condenser (3-3) respectively with regenerator
(3-1) is fixedly connected, and is condensed twice to hot wind, and cold wind heats twice, and the dehumidifying heating device (3) passes through dehumidify magnetic valve
The opening and closing of (3-5), hydrofuge solenoid valve (3-6) connects different pipelines, realizes dehumidifying and the two different operating conditions of hydrofuge, described
The condensed water of condensed water and regenerator that evaporator (3-2) generates flows into water condenser (3-4) by pipeline.
6. a kind of intelligent low-power consumption sludge low temperature anhydration system according to claim 2 or 5, it is characterised in that: described
Intelligent low-power consumption sludge low temperature anhydration system further includes negative-pressure vacuum device, the negative-pressure vacuum device and drying box (2)
It is connected, the negative-pressure vacuum device includes negative-pressure air fan (8-1), air valve (8-2) and pressure test device (8-3), described
Pressure test device (8-3) be installed on the interior real-time detection air pressure value of drying box (2-1), the negative-pressure air fan (8-
1) gas vent in drying device (2) is set, the negative-pressure air fan (8-1) is connected with humid air exhaust duct (5-1),
Increase the saturation of the air humidity in drying box (2-1) by negative-pressure vacuum device.
The desiccation apparatus 7. a kind of intelligent sludge negative pressure according to claim 6 dehumidifies, it is characterised in that: described into mud
Device (1) includes sludge apparatus for temporary storage (1-1), motor-driven valve (1-2), banded extruder (1-3) composition, and the sludge is introduced into sludge
Sludge is extruded into noodle shape by banded extruder (1-3) by apparatus for temporary storage (1-1), so that sludge forms Stilt layer when dry, is increased
The heat and mass effect of big sludge and dry air, the motor-driven valve (1-2) is for controlling the exit sludge apparatus for temporary storage (1-1)
Opening and closing, the motor-driven valve (1-2) close when with negative-pressure vacuum device act synergistically, negative pressure state is formed in drying box.
8. a kind of intelligent low-power consumption sludge low temperature anhydration system according to claim 5, it is characterised in that: described removes
Dirt device (4) includes cyclone separator (4-1) and dust-removal cloth-bag (4-2), and the dust-removal cloth-bag is arranged in cyclone separator (4-
1) rear end, the humid air containing dust are introduced into cyclone separator (4-1) by humid air exhaust duct (5-1), using from
Mental and physical efforts principle separates dust most of in air, dedusting again is carried out using dust-removal cloth-bag (4-2) later, after dedusting
Humid air enter the regenerator (3-1).
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| CN201811164808.8A CN109231780A (en) | 2018-10-07 | 2018-10-07 | Intelligent low-power consumption sludge low temperature anhydration system |
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|---|---|---|---|
| CN201811164808.8A CN109231780A (en) | 2018-10-07 | 2018-10-07 | Intelligent low-power consumption sludge low temperature anhydration system |
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| CN112062441A (en) * | 2020-09-16 | 2020-12-11 | 中国科学院广州能源研究所 | Energy-saving sludge drying system and sludge drying method |
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| CN112452124A (en) * | 2020-12-11 | 2021-03-09 | 石家庄市新星化炭有限公司 | Drying denitration method in carbon black production and carbon black production system |
| CN112863817A (en) * | 2021-01-05 | 2021-05-28 | 华翔翔能科技股份有限公司 | Automatic dust removal box transformer substation and dust removal method thereof |
| CN116282819A (en) * | 2022-09-07 | 2023-06-23 | 江门绿润环保科技有限公司 | Energy consumption ratio optimization method based on intelligent Internet of things sludge drying system |
| CN116282819B (en) * | 2022-09-07 | 2023-11-21 | 江门绿润环保科技有限公司 | Energy consumption ratio optimization method based on intelligent Internet of things sludge drying system |
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