CN108069575A - A kind of Treatment of Sludge exhaust system - Google Patents

A kind of Treatment of Sludge exhaust system Download PDF

Info

Publication number
CN108069575A
CN108069575A CN201711345082.3A CN201711345082A CN108069575A CN 108069575 A CN108069575 A CN 108069575A CN 201711345082 A CN201711345082 A CN 201711345082A CN 108069575 A CN108069575 A CN 108069575A
Authority
CN
China
Prior art keywords
exhaust system
image
detection device
treatment
kind
Prior art date
Application number
CN201711345082.3A
Other languages
Chinese (zh)
Inventor
许怡
简捷
Original Assignee
江苏和合环保集团有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江苏和合环保集团有限公司 filed Critical 江苏和合环保集团有限公司
Priority to CN201711345082.3A priority Critical patent/CN108069575A/en
Publication of CN108069575A publication Critical patent/CN108069575A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor

Abstract

The present invention relates to a kind of Treatment of Sludge exhaust system, the exhaust outlets (6) of exhaust system (2) and the connection exhaust system (2) including connection case (1);Include multiple wind turbines (3) in the exhaust system (2), each in the wind turbine (3) connects case (1) by suction pipe road (31), and the wind turbine (3) is also both provided with a non-return flap (32);A detection device (4) is additionally provided at the exhaust system (2) and exhaust outlet (6), the detection device (4) is used to detect the interior biogas concentration of exhaust system (2);The exhaust system (2) is additionally provided with control device (5), and the control device (5) connects the detection device (4) and the operation of the wind turbine (3) is controlled according to the testing result of the detection device (4).The present apparatus can be by the methane content inside image identification, and then by the operation of control device control wind turbine, realizes the removal to internal biogas.

Description

A kind of Treatment of Sludge exhaust system

Technical field

The present invention relates to a kind of exhaust systems, and in particular to a kind of exhaust system of adjustable speed.

Background technology

Containing substantial amounts of biogas in sludge, substantial amounts of biogas is had during stirring and is generated, and when biogas concentration reaches When to a certain extent, explosion can be generated, it is therefore desirable to biogas be handled in whipping process.

It is generally all built when biogas is handled by case, since the concentration to biogas is unclear, to wind in case The operating rate of machine, it is impossible to adjustment in time.If the rate for arranging biogas is less than the rate that internal leakage biogas generates, air draft system System can not tell on.

In view of the above shortcomings, the designer, is actively subject to research and innovation, to found a kind of Treatment of Sludge air draft system System makes it with more the utility value in industry.

The content of the invention

In order to solve the above technical problems, the object of the present invention is to provide a kind of Treatment of Sludge exhaust systems.

Technical scheme is as follows:

A kind of Treatment of Sludge exhaust system, it is characterised in that:Exhaust system (2) and connection including connection case (1) The exhaust outlet (6) of the exhaust system (2);

Include multiple wind turbines (3) in the exhaust system (2), each in the wind turbine (3) passes through suction pipe road (31) Case (1) is connected, the wind turbine (3) is also both provided with a non-return flap (32);At the exhaust system (2) and exhaust outlet (6) also A detection device (4) is provided with, the detection device (4) is used to detect the interior biogas concentration of exhaust system (2);The exhaust system (2) control device (5) is additionally provided with, the control device (5) connects the detection device (4) and according to the detection device (4) testing result controls the operation of the wind turbine (3).

Further, the detection device (4) includes transparent shell, is arranged on the light source (41) of the shell one end, Gu It is scheduled in the housing perpendicular to the test board (42) of light source (41) incident direction, it is parallel to be arranged on the test board (42) rear In the test board (42) sampling plate (44) and be fixed on the test board (42) towards the phase of the sampling plate (44) Machine (43);The the first test seam (421) and the second test seam (422) being mutually parallel are provided on the test board (42), it is described The transparent vessel containing air is provided in second test seam (422).

Further, an image processing apparatus being further included in the detection device (4), described image processing unit includes,

Acquisition module obtains the image after the interference of sampling plate (44) glazed thread by camera (43);

Image after acquisition is changed into grayscale mode by modular converter;

Processing module calculates the gray value for getting each pixel on image, will be schemed according to the gray value of pixel As being divided into different bar-shaped zones, and calculate the area of gray value maximum bar-shaped zone;

Comparison module obtains area after processing module is calculated and compares with threshold value;

Comparative result is sent to control device by sending device.

Further, the detection method of the detection device (4) is:

Image is obtained, the image after the interference of sampling plate (44) glazed thread is obtained by camera (43);

Image after acquisition is changed into grayscale mode by transition diagram picture;

Image is handled, calculates the gray value for getting each pixel on image, will be schemed according to the gray value of pixel As being divided into different bar-shaped zones, and calculate the area of gray value maximum bar-shaped zone;

Movement images obtain area after processing module is calculated and compare with threshold value;

Image is sent, comparative result is sent to control device.

Further, the method that maximum bar-shaped zone area determines in the processing image step is, in the bar-shaped zone One row pixel of interior arbitrary selection, if in the pixel, then the row are not slab region to the gray value of each pixel The edge in domain;If in the row pixel, gray value is larger and the ratio of the smaller pixel of gray value is close to 1:1, then this is arranged Edge of the pixel as bar-shaped zone.

Further, the quantity of the multiple wind turbine (3) is at least 3.

Further, it is at least one in the multiple wind turbine (3) to be in halted state.

Further, the light source (41) is LED light source.

Further, the width of the first test seam (421) and the second test seam (422) is 1-2mm.

Further, air inlet and gas outlet are further included on the detection device (4), the air inlet and gas outlet be The hole opened up on the transparent shell.

According to the above aspect of the present invention, the present invention has at least the following advantages:

(1) present apparatus can be by the methane content inside image identification, and then passes through the fortune that control device controls wind turbine Row, realizes the removal to internal biogas;When internal biogas concentration is far below secure threshold, the rotating speed of wind turbine can be reduced, is subtracted Few cost when internal biogas concentration is more than secure threshold, can improve the rotating speed of wind turbine, accelerate biogas removal;

(2) present apparatus is provided with non-return flap to each wind turbine, can prevent wind turbine from reversing.

(3) present apparatus detection device identifies that accuracy rate is high by the way that biogas concentration is converted into image, while can and control Device connects, to wind turbine revolution and operation adjustment in due course.

Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate attached drawing be described in detail as after.

Description of the drawings

Fig. 1 is the structure diagram of the present invention;

Fig. 2 is the structure diagram of check device of the present invention;

In figure:1- cases;2- exhaust systems;3- wind turbines;31- air-suction channels;32- non-return flaps;4- detection devices;5- is controlled Device;6- exhaust outlets.

Specific embodiment

With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Implement below Example is not limited to the scope of the present invention for illustrating the present invention.

Referring to Fig. 1 and Fig. 2, a kind of Treatment of Sludge exhaust system described in a preferred embodiment of the present invention, it is characterised in that: The exhaust outlet (6) of exhaust system (2) and the connection exhaust system (2) including connection case (1);

Include multiple wind turbines (3) in the exhaust system (2), each in the wind turbine (3) passes through suction pipe road (31) Case (1) is connected, the wind turbine (3) is also both provided with a non-return flap (32);At the exhaust system (2) and exhaust outlet (6) also A detection device (4) is provided with, the detection device (4) is used to detect the interior biogas concentration of exhaust system (2);The exhaust system (2) control device (5) is additionally provided with, the control device (5) connects the detection device (4) and according to the detection device (4) testing result controls the operation of the wind turbine (3).

- the detection device (4) includes transparent shell, is arranged on the light source (41) of the shell one end, is fixed on described Perpendicular to the test board (42) of light source (41) incident direction in housing, the test board (42) rear is arranged on parallel to the survey It the sampling plate (44) of test plate (panel) (42) and is fixed on the test board (42) towards the camera (43) of the sampling plate (44); The the first test seam (421) and the second test seam (422) being mutually parallel, second test are provided on the test board (42) The transparent vessel containing air is provided in seam (422).

An image processing apparatus is further included in-the detection device (4), described image processing unit includes,

Acquisition module obtains the image after the interference of sampling plate (44) glazed thread by camera (43);

Image after acquisition is changed into grayscale mode by modular converter;

Processing module calculates the gray value for getting each pixel on image, will be schemed according to the gray value of pixel As being divided into different bar-shaped zones, and calculate the area of gray value maximum bar-shaped zone;

Comparison module obtains area after processing module is calculated and compares with threshold value;

Comparative result is sent to control device by sending device.

The detection method of-the detection device (4) is:

Image is obtained, the image after the interference of sampling plate (44) glazed thread is obtained by camera (43);

Image after acquisition is changed into grayscale mode by transition diagram picture;

Image is handled, calculates the gray value for getting each pixel on image, will be schemed according to the gray value of pixel As being divided into different bar-shaped zones, and calculate the area of gray value maximum bar-shaped zone;

Movement images obtain area after processing module is calculated and compare with threshold value;

Image is sent, comparative result is sent to control device.

The method that maximum bar-shaped zone area determines in-processing the image step is arbitrarily to be selected in the bar-shaped zone A row pixel is selected, if in the pixel, then the row are not the side of bar-shaped zone to the gray value of each pixel Edge;If in the row pixel, gray value is larger and the ratio of the smaller pixel of gray value is close to 1:1, then by the row pixel Edge as bar-shaped zone.

The quantity of-the multiple wind turbine (3) is at least 3.

It is at least one in-the multiple wind turbine (3) to be in halted state.

8th, a kind of Treatment of Sludge exhaust system according to claim 2, it is characterised in that:The light source (41) is LED light source.

- it is described first test seam (421) and second test stitch (422) width be 1-2mm.

Air inlet and gas outlet are further included on-the detection device (4), the air inlet and gas outlet are described transparent The hole opened up on housing.

The present invention has at least the following advantages:

(1) present apparatus can be by the methane content inside image identification, and then passes through the fortune that control device controls wind turbine Row, realizes the removal to internal biogas;

(2) present apparatus is provided with non-return flap to each wind turbine, can prevent wind turbine from reversing.

(3) present apparatus detection device identifies that accuracy rate is high by the way that biogas concentration is converted into image, while can and control Device connects, to wind turbine revolution and operation adjustment in due course.

The operation principle of the present apparatus is as follows:

Check device is by two-slit interference, and the image of normal air and the air containing biogas be (refractive index of air and biogas Refractive index is different, and air refraction is about 1.00027, and biogas is about that 1.00041), and the air refraction for being mixed with biogas can be with The concentration linear change of biogas, therefore most bright bar-shaped zone (gray value is maximum) area can be different on sampling plate, can pass through The area and threshold comparison of the bar-shaped zone are calculated, the concentration for being able to know that biogas is how many.

In the edge of bar-shaped zone and dark fringe separately, take gray value greatly and gray value small scale for 50 or so row For edge, the area for the bar-shaped zone that can have good positioning.

The above is only the preferred embodiment of the present invention, is not intended to limit the invention, it is noted that for this skill For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and Modification, these improvements and modifications also should be regarded as protection scope of the present invention.

Claims (10)

1. a kind of Treatment of Sludge exhaust system, it is characterised in that:Exhaust system (2) and connection institute including connection case (1) State the exhaust outlet (6) of exhaust system (2);
Include multiple wind turbines (3) in the exhaust system (2), each in the wind turbine (3) is connected by suction pipe road (31) Case (1), the wind turbine (3) are also both provided with a non-return flap (32);It is also set up at the exhaust system (2) and exhaust outlet (6) There is a detection device (4), the detection device (4) is used to detect the interior biogas concentration of exhaust system (2);The exhaust system (2) Control device (5) is additionally provided with, the control device (5) connects the detection device (4) and according to the detection device (4) Testing result controls the operation of the wind turbine (3).
2. a kind of Treatment of Sludge exhaust system according to claim 1, it is characterised in that:The detection device (4) includes Transparent shell is arranged on the light source (41) of the shell one end, is fixed in the housing perpendicular to light source (41) incident direction Test board (42), be arranged on sampling plate (44) of the test board (42) rear parallel to the test board (42), Yi Jigu It is scheduled on the test board (42) towards the camera (43) of the sampling plate (44);It is provided on the test board (42) mutually flat Capable the first test seam (421) and the second test stitches (422), is provided in the second test seam (422) containing the saturating of air Bright container.
3. a kind of Treatment of Sludge exhaust system according to claim 2, it is characterised in that:In the detection device (4) also Including an image processing apparatus, described image processing unit includes,
Acquisition module obtains the image after the interference of sampling plate (44) glazed thread by camera (43);
Image after acquisition is changed into grayscale mode by modular converter;
Processing module calculates the gray value for getting each pixel on image, is divided image according to the gray value of pixel Different bar-shaped zones is segmented into, and calculates the area of gray value maximum bar-shaped zone;
Comparison module obtains area after processing module is calculated and compares with threshold value;
Comparative result is sent to control device by sending device.
A kind of 4. Treatment of Sludge exhaust system according to claim 3, which is characterized in that the inspection of the detection device (4) Survey method is:
Image is obtained, the image after the interference of sampling plate (44) glazed thread is obtained by camera (43);
Image after acquisition is changed into grayscale mode by transition diagram picture;
Image is handled, calculates the gray value for getting each pixel on image, is divided image according to the gray value of pixel Different bar-shaped zones is segmented into, and calculates the area of gray value minimum bar-shaped zone;
Movement images obtain area after processing module is calculated and compare with threshold value;
Image is sent, comparative result is sent to control device.
5. a kind of Treatment of Sludge exhaust system according to claim 4, it is characterised in that:In the processing image step most The method that big bar-shaped zone area determines is that a row pixel is arbitrarily selected in the bar-shaped zone, if in the pixel, it is each , then the row are not the edge of bar-shaped zone to the gray value of a pixel;If in the row pixel, gray value is larger and grey The ratio of the smaller pixel of angle value is close to 1:1, then using the row pixel as the edge of bar-shaped zone.
6. a kind of Treatment of Sludge exhaust system according to claim 1, it is characterised in that:The number of the multiple wind turbine (3) Amount is at least 3.
7. a kind of Treatment of Sludge exhaust system according to claim 6, it is characterised in that:In the multiple wind turbine (3) extremely Few one is in halted state.
8. a kind of Treatment of Sludge exhaust system according to claim 2, it is characterised in that:The light source (41) is LED light Source.
9. a kind of Treatment of Sludge exhaust system according to claim 2, it is characterised in that:The first test seam (421) Width with the second test seam (422) is 1-2mm.
10. a kind of Treatment of Sludge exhaust system according to claim 2, it is characterised in that:On the detection device (4) also Including air inlet and gas outlet, the air inlet and gas outlet are the holes opened up on the transparent shell.
CN201711345082.3A 2017-12-15 2017-12-15 A kind of Treatment of Sludge exhaust system CN108069575A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711345082.3A CN108069575A (en) 2017-12-15 2017-12-15 A kind of Treatment of Sludge exhaust system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711345082.3A CN108069575A (en) 2017-12-15 2017-12-15 A kind of Treatment of Sludge exhaust system

Publications (1)

Publication Number Publication Date
CN108069575A true CN108069575A (en) 2018-05-25

Family

ID=62158730

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711345082.3A CN108069575A (en) 2017-12-15 2017-12-15 A kind of Treatment of Sludge exhaust system

Country Status (1)

Country Link
CN (1) CN108069575A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101718694A (en) * 2009-12-02 2010-06-02 哈尔滨工程大学 Image-recognition interference gas sensor
CN202290706U (en) * 2011-10-17 2012-07-04 清远嘉博制药有限公司 Automatic gas suction device
CN105447471A (en) * 2015-12-04 2016-03-30 国网技术学院 Infrared detection based device gas leakage identification method and apparatus
CN106001041A (en) * 2016-06-03 2016-10-12 安徽育安实验室装备有限公司 Novel ventilation cabinet for lab
JP2016188757A (en) * 2014-11-18 2016-11-04 三菱電機株式会社 Air conditioner and cooling medium quantity setting method for the same
CN107261257A (en) * 2017-05-25 2017-10-20 上海禹康医疗器械有限公司 Air detection method and device in a kind of woven hose based on machine vision

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101718694A (en) * 2009-12-02 2010-06-02 哈尔滨工程大学 Image-recognition interference gas sensor
CN202290706U (en) * 2011-10-17 2012-07-04 清远嘉博制药有限公司 Automatic gas suction device
JP2016188757A (en) * 2014-11-18 2016-11-04 三菱電機株式会社 Air conditioner and cooling medium quantity setting method for the same
CN105447471A (en) * 2015-12-04 2016-03-30 国网技术学院 Infrared detection based device gas leakage identification method and apparatus
CN106001041A (en) * 2016-06-03 2016-10-12 安徽育安实验室装备有限公司 Novel ventilation cabinet for lab
CN107261257A (en) * 2017-05-25 2017-10-20 上海禹康医疗器械有限公司 Air detection method and device in a kind of woven hose based on machine vision

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
胡千庭: "《矿井瓦斯防治技术优选 煤与瓦斯突出和爆炸防治》", 30 October 2008 *
高宏伟: "《电子制造装备技术》", 30 September 2015 *

Similar Documents

Publication Publication Date Title
CN103163150B (en) Online cable surface defect detection device and online cable surface defect detection method
JPH03268189A (en) Document skew discrimination method
JP2003107011A (en) Apparatus for inspecting specimen, and apparatus for inspecting foreign matter in liquid filling transparent container
JPH0249148A (en) Method and device for inspecting drum part of bottle
CN1624460A (en) On-line datecting device for printed matter quality
WO2008027290A3 (en) Machine vision counting system apparatus and method
CN101456159B (en) Spark identification tool-setting method and abrasive machining automatic system
US6778881B1 (en) Monitoring and control of a froth flotation plant
CN101063662A (en) Method for detecting empty bottle bottom defect and device for detecting empty bottle bottom defect based on DSP
CN104375293B (en) Automatic LCD screen detecting cabinet based on machine vision
CN101042357A (en) On-line detection device of defects in float glass based on machine vision
CN101251658A (en) Display quality testing apparatus and testing method
US20040051061A1 (en) Method and apparatus for visually inspecting a substrate on a printing press
CN104470139B (en) A kind of tunnel illumination closed-loop feedback control method
JP4003968B2 (en) X-ray analyzer
JPS62220844A (en) Inspection device for foreign matter
CN101158571A (en) Soil body image real time capturing method and system used for centrifugal machine model trial
CN103472256B (en) Based on flowing two-dimension speed field measurement method and the device of area array CCD spatial filter
JPH04260178A (en) Inspection device for image processor and inspection method therefor
EP1574607A3 (en) Quality control method for fiber bundle in spinning machine
CN103743557A (en) Comprehensive propeller test system
US20090121165A1 (en) Device and a method for generating data relating to particles in a particulate material
JP5806808B2 (en) Imaging optical inspection device
CN103413375B (en) Discrimination system and method of old and new paper currency based on image statistical features
CN1877248B (en) Image measuring system, image measuring method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination