Valve type sewage total organic carbon monitoring device

Abstract

The utility model relates to a valve type sewage total organic carbon monitoring device which comprises a valve body, a main water channel, side water channels, a first valve element and a second valve element are arranged in the valve body, the main water channel is communicated with the two ends of the valve body, the side water channels are located on the upper side of the main water channel, and the side water channels are connected to the two sides of the main water channel. A first communicating groove matched with the main water channel is formed in the first valve element, a second communicating groove matched with the side water channel is formed in the second valve element, a detection probe is arranged in the second communicating groove, filter screens are arranged at the two ends of the second communicating groove, the top of the first valve element is connected to the bottom of the second valve element, and the second valve element is connected with a driving mechanism. The driving mechanism can drive the valve element I and the valve element II to rotate, so that the communicating groove I and the communicating groove II are respectively aligned with the main water channel and the side water channel, or the communicating groove I and the communicating groove II are respectively staggered with the main water channel and the side water channel, and the two filter screens can be alternately rotated to the upstream. According to the utility model, dirt in sewage can be prevented from being attached to the total organic carbon detection probe to influence the monitoring result.

Description

TECHNICAL FIELD

[0001] The utility model belongs to total organic carbon monitoring device technical field, especially relate to a valve type sewage total organic carbon monitoring device. BACKGROUND

[0002] Total organic carbon (TOC) in sewage refers to the total amount of carbon-containing dissolved and suspended organic matter in water. It reflects the comprehensive content of organic matter in sewage, covering various natural and synthetic organic compounds. These organic matters are widely sourced, including animal and plant residues, food residues in domestic sewage, various chemical raw materials, products and by-products in industrial wastewater, etc.

[0003] Sewage with excessive total organic carbon content has many hazards. First, a large amount of organic matter will consume dissolved oxygen in water, causing aquatic organisms to die due to lack of oxygen and disrupting the water ecological balance; second, some organic pollutants are toxic, such as polycyclic aromatic hydrocarbons and organophosphorus pesticides, which may enter the human body through the enrichment of the food chain, endangering human health. Therefore, if the total organic carbon in sewage is not monitored and directly discharged, it will cause the receiving water body to be contaminated.

[0004] In the prior art, such as CN200920079549.9 disclosed "total organic carbon online monitoring function ultrapure water machine", specifically, a total organic carbon detection probe is arranged on the water outlet pipeline, the output signal of the probe is transmitted to the central processing unit after being converted by the A / D conversion unit, the central processing unit completes the processing, operation and conversion of the input signal and outputs to the output module and display module in the form of commands. It can realize the monitoring of total organic carbon in the flowing water in the water pipe. However, when the total organic carbon detection probe is arranged in the sewage pipe to monitor the sewage, since the sewage contains a lot of suspended and particulate dirt, which will adhere to the probe with the water flow, affecting the monitoring result. UTILITY MODEL CONTENTS

[0005] The utility model provides a valve type sewage total organic carbon monitoring device, can avoid the dirt in sewage adhering to total organic carbon detection probe and affecting the monitoring result.

[0006] The technical scheme adopted by the utility model:

[0007] The utility model provides a valve sewage total organic carbon monitoring device, including valve body, main water channel, side water channel, valve core one and valve core two are equipped in the valve body, the main water channel is communicated in the both ends of valve body, side water channel is located main water channel upside, side water channel is connected in the both sides of main water channel, the valve core one is equipped with the communication groove one with main water channel is matched, the valve core two is equipped with the communication groove two with side water channel is matched, the communication groove two is equipped with detection probe in, the both ends of communication groove two are equipped with filter screen, the valve core one top is connected in the valve core two bottom, the valve core two is connected with drive mechanism, drive mechanism can drive valve core one and valve core two rotate, make communication groove one and communication groove two respectively align main water channel and side water channel, or make communication groove one and communication groove two respectively with main water channel and side water channel stagger, still can make two filter screen alternately rotate to upstream.

[0008] Further, the drive mechanism includes a cavity and a shaft rod provided in the valve body, the shaft rod is connected to the top of the valve core two, the shaft rod is rotatably arranged in the cavity, the shaft rod is provided with a driven gear in the cavity, the driven gear is engaged with a driving gear in the cavity, and the driving gear is connected with a motor one provided in the cavity.

[0009] Further, the top of the valve core one is provided with a journal, and the journal is connected with a one-way bearing between the bottom of the valve core two.

[0010] Further, the both sides of the side water channel are provided with water pressure sensors, the valve body is provided with a central processing unit, and the central processing unit is electrically connected with the water pressure sensors, the motor one and the detection probe.

[0011] Further, the valve body is provided with a sliding cavity and a lower groove, the sliding cavity is located on one side of the cavity and above the side water channel, the lower groove is located below the sliding cavity and communicated with the side water channel, the top of the sliding cavity is provided with an electric push rod, the electric push rod is connected with a sliding shell, the sliding shell is slidably arranged in the sliding cavity, the sliding shell is provided with a motor two, the bottom of the sliding shell is provided with a sliding rod, the sliding rod is connected with the motor two, the lower side of the sliding rod penetrates into the lower groove and is provided with a brush, and the outer contour of the brush is matched with the screen. The electric push rod can drive the brush to extend into the side water channel, so that the brush contacts the filter screen, and the central processing unit is electrically connected with the electric push rod and the electric push rod.

[0012] Further, a sealing ring is arranged between the sliding rod and the top wall of the lower groove.

[0013] Further, the central processing unit is electrically connected with a display module or / and a communication module.

[0014] Further, the valve core one and the valve core two are both cylindrical structures, the axis of the communication groove one is perpendicular to the axis of the valve core one, and the axis of the communication groove two is perpendicular to the axis of the valve core two.

[0015] Further, the side water channel has a smaller inner diameter than the main water channel.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] 1. When the sewage flows in the side water channel through the communication groove two, the filter screen can block the dirt, so that the dirt in the sewage cannot adhere to the total organic carbon detection probe, thereby avoiding affecting the monitoring result.

[0018] 2. By arranging the side water channel above the main water channel, part of the dirt in the sewage cannot flow into the side water channel due to gravity, so that the dirt adhering to the filter screen can be reduced, thereby reducing the load of the filter screen.

[0019] 3. When the dirt adheres to the filter screen on the water-approaching side too much, the two filter screens are reversed by the driving mechanism, so that the filter screen with more adhering dirt can be cleaned by the reverse water flow, and the filter screen can be automatically cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 It is an enlarged view of A in Figure 1

[0022] Figure 3 It is a sectional structure schematic diagram of the valve core two and the valve body;

[0023] In the figure: 1, valve body; 2, side water channel; 3, water pressure sensor; 4, central processing unit; 5, main water channel; 6, valve core one; 7, communication groove one; 8, communication groove two; 9, journal; 10, one-way bearing; 11, valve core two; 12, filter screen; 13, detection probe; 14, shaft rod; 15, motor one; 16, driven gear; 17, driving gear; 18, cavity; 19, electric push rod; 20, motor two; 21, sliding shell; 22, sliding cavity; 23, sealing ring; 24, sliding rod; 25, brush; 26, lower groove. DETAILED DESCRIPTION

[0024] In order to better understand the technical content of the present application, specific embodiments are provided below, and the present application is further described in conjunction with the drawings.

[0025] Referring to Figures 1 to 3 ​The utility model provides a valve formula sewage total organic carbon monitoring devices, including valve body 1, be equipped with main water channel 5, side water channel 2, valve element one 6 and valve element two 11 in valve body 1, main water channel 5 is communicated in the both ends of valve body 1, side water channel 2 is located main water channel 5 upside, side water channel 2 is connected in the both sides of main water channel 5, be equipped with the communication groove one 7 of matching with main water channel 5 on valve element one 6, be equipped with the communication groove two 8 of matching with side water channel 2 on valve element two 11, be equipped with detection probe 13 in communication groove two 8, both ends of communication groove two 8 are equipped with filter screen 12, valve element one 6 top is connected in valve element two 11 bottom, valve element two 11 is connected with drive mechanism, drive mechanism can drive valve element one 6 and valve element two 11 rotate, make communication groove one 7 and communication groove two 8 respectively align main water channel 5 and side water channel 2, or make communication groove one 7 and communication groove two 8 respectively with main water channel 5 and side water channel 2 stagger, still can make two filter screens 12 alternately rotate to upstream;

[0026] When needing to monitor the sewage, the valve body 1 is installed on the sewage pipe, the valve element two 11 is driven to rotate in the valve body 1 by the drive mechanism, the communication groove two 8 is rotated to align with the side water channel 2, the side water channel 2 is conducted, the valve element two 11 drives the valve element one 6 to rotate in the valve body 1, the communication groove one 7 is rotated to align with the main water channel 5, the main water channel 5 and the side water channel 2 are simultaneously caused, the valve is opened, the sewage flows forward in the main water channel 5 and the side water channel 2, the front filter screen 12 can block the dirt in the sewage, the dirt in the sewage can be avoided from adhering to the total organic carbon detection probe 13 to affect the monitoring result; and since the side water channel 2 is arranged above the main water channel 5, part of the dirt in the sewage cannot flow into the side water channel 2 due to gravity, the dirt adhering to the filter screen 12 can be reduced, and the load of the filter screen 12 is reduced; when the dirt adhering to the filter screen 12 in the upstream is too much, the two filter screens 12 are adjusted positions by the drive mechanism, the filter screen 12 in the downstream with more dirt adhering thereto is cleaned by the water flow in the reverse direction, and the filter screen 12 can be automatically cleaned.

[0027] Preferably, the drive mechanism comprises a cavity 18 arranged in the valve body 1 and a shaft 14, the shaft 14 is fixedly connected to the top of the valve element two 11, the shaft 14 is rotatably arranged in the cavity 18, the shaft 14 can rotate in the valve body 1, a driven gear 16 is fixedly arranged on the shaft 14 and located in the cavity 18, the driven gear 16 is engaged with a driving gear 17 located in the cavity 18, the driving gear 17 is connected with a motor one 15 fixedly arranged in the cavity 18;

[0028] The motor one 15 drives the driving gear 17 to rotate, the driving gear 17 drives the shaft 14 to rotate in the valve body 1 through the driven gear 16, and the shaft 14 can drive the valve element two 11 to rotate.

[0029] Preferably, a shaft neck 9 is fixedly arranged on the top of the valve element one 6, and a one-way bearing 10 is connected between the shaft neck 9 and the bottom of the valve element two 11.

[0030] The single direction bearing 10 has the function of one-way transmission, so that the valve core two 11 can drive the valve core one 6 to rotate from one direction, realizing the simultaneous closing or opening of the main water passage 5 and the side water passage 2, which is the operation of opening the valve to drain water and closing the valve to stop draining water; when the valve core two 11 rotates in the opposite direction, the valve core one 6 will remain in a stationary state under the resistance between the valve core one 16 and the valve body 1, which is suitable for backwashing and cleaning the filter screen 12 under the condition of normal drainage of the main water passage 5.

[0031] Preferably, the side water passage 2 is provided with water pressure sensors 3 on both sides, and the valve body 1 is provided with a central processing unit 4, which is electrically connected to the water pressure sensors 3, the motor one 15 and the detection probe 13.

[0032] The two water pressure sensors 3 detect the water pressure on both sides of the filter screen 12 and transmit it to the central processing unit 4; when the filter screen 12 on the water side is blocked, the water pressure upstream will be high and the water pressure downstream will be low, so when the water pressure difference between the two sides is greater than the preset value, the central processing unit 4 controls the motor one 15 to drive the two filter screens 12 to adjust the position, realizing the backwashing operation of the filter screen 12.

[0033] Preferably, the valve body 1 is provided with a sliding cavity 22 and a lower groove 26, the sliding cavity 22 is located on the right side of the cavity 18, and the sliding cavity 22 is located above the side water passage 2, the lower groove 26 is located below the sliding cavity 22 and is connected to the upper side of the side water passage 2, the top of the sliding cavity 22 is fixedly provided with an electric push rod 19, the telescopic end of the electric push rod 19 is fixedly connected with a sliding shell 21, the sliding shell 21 is slidingly arranged in the sliding cavity 22, the sliding shell 21 is fixedly provided with a motor two 20, the bottom of the sliding shell 21 is rotatably provided with a sliding rod 24, the sliding rod 24 is connected to the output shaft of the motor two 20, the lower side of the sliding rod 24 slidingly penetrates into the lower groove 26 and is provided with a brush 25, the outer contour of the brush 25 matches the screen, the electric push rod 19 can drive the brush 25 to extend into the side water passage 2, so that the brush 25 contacts the filter screen 12, and the central processing unit 4 is electrically connected to the electric push rod 19 and the motor two 20.

[0034] When the upstream filter screen 12 is turned to the downstream, the central processing unit 4 controls the electric push rod 19 to drive the sliding shell 21 to slide downward in the sliding cavity 22, so that the brush 25 extends into the side water passage 2 and contacts the filter screen 12, the central processing unit 4 controls the motor two 20 to drive the brush 25 to rotate through the sliding rod 24 to sweep the filter screen, under the impact of water flow, the cleaning effect of the rear filter screen 12 can be improved; after cleaning, the electric push rod 19 drives the brush 25 to retract into the lower groove 26.

[0035] Preferably, a sealing ring 23 is arranged between the sliding rod 24 and the top wall of the lower groove 26, which can prevent water from flowing into the sliding cavity 22.

[0036] Preferably, the central processing unit 4 is electrically connected with a display module and / or a communication module, the data detected by the detection probe 13 is transmitted to the display module for display after being processed by the central processing unit 4, or is transmitted to a remote host computer through the communication module, and the display module and the communication module adopt products in the prior art.

[0037] Preferably, the valve core one 6 and the valve core two 11 are both in a cylindrical structure, the axis of the communication groove one 7 is perpendicular to and intersects with the axis of the valve core one 6, and the axis of the communication groove two 8 is perpendicular to and intersects with the axis of the valve core two 11 (see Figure 3 structure).

[0038] Preferably, the inner diameter of the side water channel 2 is smaller than that of the main water channel 5.

[0039] The above only describes the preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A valve-type wastewater total organic carbon monitoring device, characterized by: The utility model provides a valve body, main water channel, side water channel, valve core one and valve core two are equipped in the valve body, the main water channel is communicated with two ends of valve body, the inside diameter of side water channel is less than main water channel, side water channel is located on the upside of main water channel, side water channel is connected to both sides of main water channel, the valve core one is equipped with the communication groove one that is matched with main water channel, the valve core two is equipped with the communication groove two that is matched with side water channel, the communication groove two is equipped with detection probe, both ends of communication groove two are equipped with filter screen, the valve core one top is connected to the valve core two bottom, the valve core two is connected with drive mechanism, drive mechanism can drive valve core one and valve core two rotation, makes communication groove one and communication groove two respectively align main water channel and side water channel, or makes communication groove one and communication groove two respectively with main water channel and side water channel stagger, still can make two filter screen alternately rotate to upstream.

2. The valve-type wastewater total organic carbon monitoring device according to claim 1, characterized in that: The drive mechanism includes a cavity and a shaft in the valve body, the shaft is connected to the top of the valve core two, the shaft is rotatable through the cavity, the shaft is provided with a passive gear in the cavity, the passive gear is engaged with a driving gear in the cavity, the driving gear is connected with a motor in the cavity.

3. The valve-type wastewater total organic carbon monitoring device according to claim 2, characterized in that: The top of the valve core one is provided with a journal, the journal is connected with the bottom of the valve core two through a one-way bearing.

4. The valve-type wastewater total organic carbon monitoring device according to claim 3, characterized in that: Both sides of the side water channel are provided with water pressure sensors, the valve body is provided with a central processing unit, the central processing unit is electrically connected to the water pressure sensors, the motor and the detection probe.

5. The valve-type wastewater total organic carbon monitoring device according to claim 4, characterized in that: The valve body is provided with a sliding cavity and a lower groove, the sliding cavity is located on one side of the cavity and above the side water channel, the lower groove is located below the sliding cavity and is communicated with the side water channel, the top of the sliding cavity is provided with an electric push rod, the electric push rod is connected with a sliding shell, the sliding shell is slidingly arranged in the sliding cavity, the sliding shell is provided with a motor, the bottom of the sliding shell is provided with a sliding rod, the sliding rod is connected to the motor, the lower side of the sliding rod penetrates into the lower groove and is provided with a brush, the outer contour of the brush is matched with the screen, the electric push rod can drive the brush to extend into the side water channel, so that the brush contacts the filter screen, and the central processing unit is electrically connected to the electric push rod and the motor.

6. The valve-type wastewater total organic carbon monitoring device according to claim 5, characterized in that: The sliding rod and the top wall of the lower groove are provided with a sealing ring.

7. A valve-type wastewater total organic carbon monitoring device according to any one of claims 4 to 6, characterized in that: The central processing unit is electrically connected with a display module or / and a communication module.

8. A valve-type wastewater total organic carbon monitoring device according to any one of claims 4 to 6, characterized in that: The valve core one and the valve core two are both cylindrical structures, the axis of the communication groove one is perpendicular to the axis of the valve core one, and the axis of the communication groove two is perpendicular to the axis of the valve core two.

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