Online sludge detection system in sludge treatment process

Abstract

The invention discloses an online sludge detection system in a sludge treatment process, which comprises a sludge treatment tank, a sampling pipe, a sampling gate valve, a sampling pump, an online detector, a reflux gate valve, a reflux pipe, a data analysis module and a main control module, the input end of the sampling pipe is communicated with the sludge treatment tank, and the output end of the sampling pipe is communicated with the sludge treatment tank through the reflux pipe; a sampling gate valve is arranged on the sampling pipe, a backflow gate valve is arranged on the backflow pipe, a sampling pump and an online detector are sequentially arranged between the sampling gate valve and the backflow gate valve, the signal input end of the data analysis module is connected with the online detector, and the signal output end of the data analysis module is connected with the main control module. The signal control end of the master control module is connected with the sampling gate valve, the sampling pump and the backflow gate valve. The sludge in the sludge treatment tank can be detected on line, the detection precision is high, automatic treatment can be carried out according to the detection result, manual operation is not needed, the labor intensity of workers is reduced, the treatment efficiency is improved, and time and labor are saved.

Description

Technical Field

[0001] The invention relates to the technical field of sludge treatment, and in particular to an online sludge detection system in a sludge treatment process. Background Art

[0002] With the popularization of sewage treatment facilities, urban and rural sewage treatment rates have increased year by year, and sludge production has also increased day by day. The sludge treatment pool is the basic link in the sludge disposal process. The sludge disposal method is to add chemicals to the sludge treatment pool, then stir it manually, and finally observe whether the conditioned sludge meets the requirements through a sludge concentration meter. First of all, the manual stirring method has high labor intensity and low processing efficiency, and cannot guarantee uniform stirring, which in turn affects the test results; and the manual reading of the test results has low accuracy. If the test results do not meet the requirements, it is necessary to repeat the steps of adding chemicals, stirring, and testing until the test results meet the requirements. The operation is cumbersome, time-consuming and labor-intensive. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide an online sludge detection system in a sludge treatment process, which can realize online detection of sludge in a sludge treatment tank with high detection accuracy and can automatically process the sludge according to the detection results without manual operation, thus greatly reducing the labor intensity, improving the processing efficiency, and saving time and effort.

[0004] The technical solution of the present invention is as follows:

[0005] An online sludge detection system in a sludge treatment process comprises a sludge treatment tank, a sampling tube, a sampling gate valve, a sampling pump, an online detector, a return gate valve, a return pipe, a data analysis module and a main control module, wherein the input end of the sampling tube is connected to the sludge treatment tank, the output end of the sampling tube is connected to the sludge treatment tank through the return pipe, the sampling tube is provided with a sampling gate valve, the return pipe is provided with a return gate valve, a sampling pump and an online detector are sequentially arranged between the sampling gate valve and the return gate valve, the signal input end of the data analysis module is connected to the online detector, the signal output end of the data analysis module is connected to the main control module, and the signal control end of the main control module is connected to the sampling gate valve, the sampling pump and the return gate valve.

[0006] Furthermore, a flow valve is provided between the sampling tube and the sludge treatment tank, and the signal control end of the main control module is connected to the flow valve.

[0007] Furthermore, the sludge treatment tank is provided with a sludge input port, a sludge output port and a reflux port, the sludge input port is connected to a sludge input pipe, the sludge output port is connected to a sludge output pipe, the sampling tube is connected to the sludge output pipe, and the reflux pipe is connected to the reflux port.

[0008] Furthermore, the sludge input port of the sludge treatment tank is located at the upper part of the sludge treatment tank, the sludge output port of the sludge treatment tank is located at the lower part of the sludge treatment tank, and the reflux port of the sludge treatment tank is located at the top of the sludge treatment tank.

[0009] Furthermore, the sludge input pipe is provided with a sludge input valve, the sludge output pipe is provided with a sludge output valve, and the signal control end of the main control module is connected to the sludge input valve and the sludge output valve.

[0010] Furthermore, the sludge treatment tank includes a tank body, a chemical storage tank, a chemical flow pump, a chemical nozzle, a stirring motor and a stirring structure. The chemical storage tank, the chemical flow pump and the stirring motor are arranged on the top of the tank body, and the chemical nozzle is arranged on the top of the inner cavity of the tank body. The input end of the chemical flow pump is connected with the chemical storage tank, and the output end of the chemical flow pump is connected with the chemical nozzle. The stirring structure is rotatably arranged in the middle of the inner cavity of the tank body and connected to the stirring motor. The signal control end of the main control module is connected with the chemical flow pump and the stirring motor.

[0011] Furthermore, the pool body is detachably provided with an upper cover, the medicine storage tank, the medicine flow pump, the stirring motor, and the medicine nozzle are arranged on the upper cover, and the reflux port is located on the upper cover.

[0012] Furthermore, the stirring structure includes a stirring shaft and a stirring blade, and the stirring blade is arranged on the stirring shaft.

[0013] Furthermore, the system also includes an alarm module, which is connected to the data output terminal of the main control module.

[0014] Furthermore, the system also includes a display and a storage module, and the display and the storage module are connected to the data output end of the main control module.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The present invention arranges a sampling tube on one side of a sludge treatment tank, the sampling tube is connected with the sludge treatment tank through a return pipe, a sampling gate valve is arranged on the sampling tube, a return gate valve is arranged on the return pipe, a sampling pump and an online detector are arranged in sequence between the sampling gate valve and the return gate valve, a signal input end of a data analysis module is connected with the online detector, a signal output end of the data analysis module is connected with a main control module, and a signal control end of the main control module is respectively connected with the sampling gate valve, the sampling pump, the return gate valve and the sludge output valve. After sampling the sludge in the sludge treatment tank through the sampling tube, the online detector performs online detection on the sample, and the data analysis module compares the sampling detection data with the pre-set threshold value that meets the requirements to determine whether it is less than the threshold value; if it is less than the threshold value, the main control module controls the sludge output valve to open, and the sludge in the sludge treatment tank can be discharged; if it is greater than the threshold value, the main control module controls the agent flow pump to continue adding agents to the sludge treatment tank, and the main control module controls the stirring motor to perform stirring action to ensure uniform stirring. After the stirring is completed, the main control module controls the sampling pump and the sampling gate valve to open for a second test until the test passes and the sludge is discharged.

[0017] In summary, the present invention can realize online detection of sludge in a sludge treatment tank with high detection accuracy, and can automatically process according to the detection results without manual operation, which greatly reduces manual labor intensity, improves processing efficiency, and saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A system framework diagram of an online sludge detection system in a sludge treatment process provided by the present invention;

[0020] Figure 2 This is a schematic diagram of the pipeline connection of the sludge treatment tank of the present invention;

[0021] Figure 3 It is a schematic diagram of the structure of the sludge treatment tank of the present invention;

[0022] Figure 4 A method flow chart of an online sludge detection system in a sludge treatment process provided by the present invention. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0024] In order to illustrate the technical solution of the present invention, a specific embodiment is provided below for illustration.

[0025] Example

[0026] See also Figure 1 The present embodiment provides an online sludge detection system in a sludge treatment process, including a sludge input pipe 1, a sludge input valve 2, a sludge treatment tank 3, a sludge output valve 4, a sludge output pipe 5, a flow valve 6, a sampling pipe 7, a sampling gate valve 8, a sampling pump 9, an online detector 10, a reflux gate valve 11, a reflux pipe 12, a data analysis module, a main control module, an alarm module, a display and a storage module.

[0027] Combination Figure 2 , Figure 3 As shown, the sludge treatment tank 3 is provided with a sludge input port 31, a sludge output port 32 and a return port 33. The sludge input port 31 is located at the upper part of the sludge treatment tank 3, and the sludge input port 31 is connected to the sludge input pipe 1, and the sludge input valve 2 is arranged on the sludge input pipe 1, and the sludge input valve 2 is controlled by switching the sludge input valve 2 to control the sludge input into the sludge treatment tank 3; the sludge output port 32 is located at the lower part of the sludge treatment tank 3, and the sludge output port 32 is connected to the sludge output pipe 5, and the sludge output valve 4 is arranged on the sludge output pipe 5, and the sludge is discharged from the sludge treatment tank 3 by the sludge output valve 4; the return port 33 is located at the top of the sludge treatment tank 3, and the return port 33 is connected to the return pipe 12; the sampling tube 7 is connected to the sludge output pipe 5, and the input end of the sampling tube 7 is connected to the sludge output pipe 5. A flow valve 6 is arranged between the output pipe 5, and the sampling amount of the sampling pipe 7 can be controlled by the flow valve 6; a sampling gate valve 8 is arranged on the sampling pipe 7, and the sampling of the sampling pipe 7 is controlled by switching the sampling gate valve 8; the output end of the sampling pipe 7 is connected with the sludge treatment tank 3 through a return pipe 12, and a return gate valve 11 is arranged on the return pipe 12, and the sample in the sampling pipe 7 is controlled to flow back into the sludge treatment tank 3 by switching the return gate valve 11; a sampling pump 9 and an online detector 10 are arranged between the sampling gate valve 8 and the return gate valve 11 in sequence, and the sampling pump 9 is turned on to sample through the sampling pipe 7, and the online detector 10 can realize online detection of the sampled sludge.

[0028] The signal input end of the data analysis module is connected to the online detector 10, and the detection data of the online detector 10 is transmitted to the data analysis module for further analysis. The data analysis module is provided with a threshold value. By comparing the detection data with the threshold value, the next step of processing is performed according to the detection result to determine whether to discharge the sludge or further add reagents for stirring; the signal output end of the data analysis module is connected to the main control module, and the signal control end of the main control module is connected to the sludge input valve 2, the sludge output valve 4, the flow valve 6, the sampling gate valve 8, the sampling pump 9, the return gate valve 11 and the sludge treatment The reagent flow pump 33 and the stirring motor 35 of the pool are connected, and the sludge input valve 2, the sludge output valve 4, the flow valve 6, the sampling gate valve 8, the sampling pump 9, the reflux gate valve 11, the reagent flow pump 33, and the stirring motor 35 are centrally controlled through the main control module; the data output end of the main control module is respectively connected to the alarm module, the display and the storage module. The alarm module sends an alarm when the data analysis module compares the detection data to be greater than or equal to the threshold. The display can detect the detection data in real time for easy observation. The storage module can store relevant detection data for easy data import and export.

[0029] Specifically, the sludge treatment tank 3 includes a tank body 31, a chemical storage tank 32, a chemical flow pump 33, a chemical nozzle 34, a stirring motor 35 and a stirring structure. The tank body 31 is detachably provided with an upper cover 36 to facilitate the addition of reagents; the reagent storage tank 32, the reagent flow pump 33, and the stirring motor 35 are arranged on the upper cover 36, the reflux port 33 is located on the upper cover 36, and a plurality of reagent nozzles 34 are evenly arranged on the top of the inner cavity of the tank body 31; the input end of the reagent flow pump 33 is connected to the reagent storage tank 32, and the output end of the reagent flow pump 33 is connected to the plurality of reagent nozzles 34, and the reagent in the reagent storage tank 32 is pumped out by the reagent flow pump 33 and sprayed toward the inner cavity of the tank body 31 through the plurality of reagent nozzles 34; the stirring structure is rotatably arranged in the middle of the inner cavity of the tank body 31 and is connected to the stirring motor 35, the stirring structure includes a stirring shaft 37 and a stirring blade 38, the stirring blade 38 is arranged on the stirring shaft 37, and the stirring shaft 37 is driven by the stirring motor 35 to drive the stirring blade 38 to operate to achieve sludge stirring.

[0030] The specific working principle is as follows, refer to Figure 4 :

[0031] (1) The main control module controls the sludge input valve 2 to open, and the sludge enters the sludge treatment tank 3 from the sludge input pipe 1;

[0032] (2) The main control module controls the reagent flow pump 33 to input a fixed amount of reagent into the sludge treatment tank 3, and controls the stirring motor 35 to stir the sludge;

[0033] (3) After the stirring is completed, the main control module controls the sampling gate valve 8, the sampling pump 9 and the flow valve 6 to open, and quantitatively samples the sludge in the sludge treatment tank 3 through the sampling tube 7. The sampling is tested online in combination with the online detector 10, and the test results are transmitted to the data analysis module for comparison with the pre-set threshold value that meets the requirements. If the test data is less than the threshold value, the main control module controls the sludge output valve 4 to open, and the sludge in the sludge treatment tank 3 can be discharged. If the test data is greater than the threshold value, the main control module controls the reagent flow pump 33 to continue to add reagents to the sludge treatment tank 3, and the stirring motor 35 is activated, and a second test is performed until the test passes and the sludge is discharged;

[0034] (4) The main control module controls the return valve 11 to open, and the sludge in the sampling tube 7 flows back to the sludge treatment tank 3 through the return pipe 12, and then the sludge in the sludge treatment tank 3 is discharged or further stirred by adding reagents.

[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An online sludge detection system in a sludge treatment process, characterized in that: It includes a sludge treatment tank, a sampling tube, a sampling gate valve, a sampling pump, an online detector, a return gate valve, a return pipe, a data analysis module and a main control module. The input end of the sampling tube is connected to the sludge treatment tank, and the output end of the sampling tube is connected to the sludge treatment tank through the return pipe. The sampling tube is provided with a sampling gate valve, and the return pipe is provided with a return gate valve. A sampling pump and an online detector are arranged between the sampling gate valve and the return gate valve in sequence. The signal input end of the data analysis module is connected to the online detector, the signal output end of the data analysis module is connected to the main control module, and the signal control end of the main control module is connected to the sampling gate valve, the sampling pump and the return gate valve.

2. The online sludge detection system in the sludge treatment process according to claim 1, characterized in that: A flow valve is also provided between the sampling tube and the sludge treatment tank, and the signal control end of the main control module is connected to the flow valve.

3. An online sludge detection system in a sludge treatment process according to claim 1 or 2, characterized in that: The sludge treatment tank is provided with a sludge input port, a sludge output port and a reflux port. The sludge input port is connected to a sludge input pipe, the sludge output port is connected to a sludge output pipe, the sampling pipe is connected to the sludge output pipe, and the reflux pipe is connected to the reflux port.

4. The online sludge detection system in the sludge treatment process according to claim 3, characterized in that: The sludge input port of the sludge treatment tank is located at the upper part of the sludge treatment tank, the sludge output port of the sludge treatment tank is located at the lower part of the sludge treatment tank, and the reflux port of the sludge treatment tank is located at the top of the sludge treatment tank.

5. The online sludge detection system in the sludge treatment process according to claim 3, characterized in that: The sludge input pipe is provided with a sludge input valve, the sludge output pipe is provided with a sludge output valve, and the signal control end of the main control module is connected with the sludge input valve and the sludge output valve.

6. The online sludge detection system in the sludge treatment process according to claim 4, characterized in that: The sludge treatment tank includes a tank body, a chemical storage tank, a chemical flow pump, a chemical nozzle, a stirring motor and a stirring structure. The chemical storage tank, the chemical flow pump and the stirring motor are arranged on the top of the tank body, and the chemical nozzle is arranged on the top of the inner cavity of the tank body. The input end of the chemical flow pump is connected with the chemical storage tank, and the output end of the chemical flow pump is connected with the chemical nozzle. The stirring structure is rotatably arranged in the middle of the inner cavity of the tank body and connected with the stirring motor. The signal control end of the main control module is connected with the chemical flow pump and the stirring motor.

7. The online sludge detection system in the sludge treatment process according to claim 6, characterized in that: The pool body is detachably provided with an upper cover, the medicine storage tank, the medicine flow pump, the stirring motor, and the medicine nozzle are arranged on the upper cover, and the reflux port is located on the upper cover.

8. The online sludge detection system in the sludge treatment process according to claim 6, characterized in that: The stirring structure comprises a stirring shaft and a stirring blade, and the stirring blade is arranged on the stirring shaft.

9. The online sludge detection system in the sludge treatment process according to claim 1, characterized in that: The system also includes an alarm module, which is connected to the data output terminal of the main control module.

10. The online sludge detection system in the sludge treatment process according to claim 9, characterized in that: The system also includes a display and a storage module, and the display and the storage module are connected to the data output end of the main control module.

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