CN219507773U - Intelligent dosing system and dosing assembly of water plant - Google Patents

Abstract

The utility model relates to an intelligent dosing system and a dosing assembly of a water plant, which comprises a raw water tank, a sedimentation tank communicated with the raw water tank, a sand filter communicated with the sedimentation tank, a carbon filter communicated with the sand filter and a clean water tank communicated with the carbon filter, wherein the raw water tank is provided with a water inlet and a water outlet; the device also comprises a water quality detection device and a alum adding drug pump which are arranged between the raw water tank and the sedimentation tank, a water quality secondary detection device is arranged between the sedimentation tank and the sand filter, a chlorine detection device and a chlorine adding drug pump are arranged between the carbon filter and the clean water tank, and a residual chlorine monitoring device is arranged at the water outlet of the clean water tank; according to the scheme, the detection instrument is arranged at each point to detect water body data, the dosing amount is scientifically calculated according to the water body data, the local water source condition and the weather condition, fine adjustment is carried out on the dosing amount according to the processed water body feedback data, and calculation is carried out according to the past dosing amount and the feedback condition after dosing, so that the dosing amount reaches the optimal standard.

Description

Intelligent dosing system and dosing assembly of water plant

Technical Field

The utility model relates to the field of water treatment, in particular to an intelligent dosing system and a dosing assembly of a water plant.

Background

The water treatment refers to physical and chemical measures adopted for enabling the water quality to reach a certain use standard, a certain amount of impurities are always contained in the water body to be polluted, impurities which are suspended in the water body and visible to the naked eye can be cleaned in a physical filtering mode, but impurities which are not visible to the naked eye and the like are required to be removed through chemical reaction.

For example, in water purification, the addition of alum and chlorine is required; when alum is dissolved in a water body, trivalent aluminum ions can be generated, hydroxide radicals generated by water electrolysis and aluminum ions can be combined in a brand new mode to generate aluminum hydroxide colloid, and the aluminum hydroxide colloid has stronger adsorption capacity and can adsorb various impurities in the water body and form precipitation, so that the water body becomes clear from turbidity.

Similarly, the halogen element chlorine can be used as a good and effective sterilization and disinfection means, is one of the common means for removing organic substances in water in a water purifying means, and is also one of the most common disinfectants.

Therefore, alum addition and chlorine addition form two indispensable steps in the water purification process, the consumption cost of the medicament is also a main component part of the water purification cost, and the final factory water quality and the treatment cost are directly influenced by the medicament addition effect; in the prior art, the medicament is added by manually opening and closing the medicament adding pump after the experience of an operator is judged; the accurate can not be ensured under the condition that the addition amount of the medicament is judged by experience, so that excessive cost of medicament addition is increased or the water purification is not thorough when the medicament is not added in place; moreover, in recent years, water disasters, such as algae outbreaks in water, are increased, and the water disasters all affect the judgment of operators on the additive amount, so that the additive amount is inaccurate.

Disclosure of Invention

The utility model aims to provide an intelligent dosing system and a dosing assembly for a water plant.

The technical aim of the utility model is realized by the following technical scheme: the intelligent dosing system comprises a raw water tank, a sedimentation tank communicated with the raw water tank, a sand filter communicated with the sedimentation tank, a carbon filter communicated with the sand filter, and a clean water tank communicated with the carbon filter; the device is characterized by further comprising a water quality detection device and a alum adding drug pump which are arranged between the raw water tank and the sedimentation tank, a water quality secondary detection device is arranged between the sedimentation tank and the sand filter tank, a chlorine detection device and a chlorine adding drug pump are arranged between the carbon filter tank and the clean water tank, and a residual chlorine monitoring device is arranged at the water outlet of the clean water tank.

Through adopting above-mentioned technical scheme, through setting up the instrumentation in each point position in this scheme, detect water body data, scientifically calculate the dosage according to water body data and local water source condition, technological condition, weather condition, fine setting is carried out to the dosage according to the data that though the feedback was taken to the water after handling again, calculates according to the dosage of past and the feedback condition after the dosing to make the dosage reach the optimal standard.

Preferably, the water quality detection device comprises a flow meter, a turbidity meter, a COD on-line detector and a thermometer.

Preferably, the water quality secondary detection device comprises a turbidity meter, a COD on-line detector and a thermometer.

Preferably, the chlorine detecting device comprises a chlorine detector and a water flow meter.

Preferably, the residual chlorine monitoring device comprises a chlorine detector.

Preferably, the control unit adopts a central control room remote control system or system control.

Preferably, the host and the communication unit comprise a PLC host case, and the intelligent alum adding module and the intelligent chlorine adding module can adopt the same PLC host case.

Preferably, the sedimentation tanks are arranged in parallel with at least two groups

In summary, the utility model has the following beneficial effects:

1. according to the scheme, the detection instrument is arranged at each point to detect water body data, the dosing amount is scientifically calculated according to the water body data, the local water source condition, the process condition and the weather condition, then the dosing amount is finely adjusted according to the processed water body feedback data, and the dosing amount is calculated according to the past dosing amount and the feedback condition after dosing, so that the dosing amount reaches the optimal standard;

2. through fine detection and control, on the premise of ensuring the quality of the water leaving factory, the alum consumption is obviously reduced, so that the economic cost is reduced, the environmental friendliness is improved, and the environment-friendly concept is met;

3. the automatic medicine adding device reduces misoperation rate in normal manual operation, improves working efficiency and reduces labor cost while improving accuracy.

Drawings

FIG. 1 is a flow chart of the overall structure in an embodiment.

In the figure, 1, a raw water pool; 2. a sedimentation tank; 3. a sand filter; 4. a carbon filter tank; 5. a clean water tank; 61. adding alum medicine pump; 62. a chlorine adding drug pump; 71. a flow meter; 72. a turbidity meter; 73. COD on-line instrument detector; 74. a thermometer; 81. a chlorine detector; 82. a water flow meter.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Examples:

the intelligent dosing system and the dosing assembly of the water plant are shown in fig. 1, and comprise a raw water tank 1, a sedimentation tank 2 communicated with the raw water tank 1, a sand filter tank 3 communicated with the sedimentation tank 2, a carbon filter tank 4 communicated with the sand filter tank 3, and a clean water tank 5 communicated with the carbon filter tank 4, wherein the sand filter tank and the carbon filter tank are of the prior art, and therefore are not described in detail herein; the device further comprises a water quality detection device and a alum adding drug pump 61 which are arranged between the raw water tank 1 and the sedimentation tank 2, a water quality secondary detection device is arranged between the sedimentation tank 2 and the sand filter tank 3, a chlorine detection device and a chlorine adding drug pump 62 are arranged between the carbon filter tank 4 and the clean water tank 5, a residual chlorine monitoring device is arranged at the water outlet of the clean water tank 1, and the sedimentation tanks are connected in parallel to form two groups, so that at least one group of sedimentation tanks can be put into use.

The intelligent dosing system comprises an intelligent alum adding module and an intelligent chlorine adding module; the intelligent alum adding module comprises a data acquisition unit, a host communication unit and a control unit, wherein the data acquisition unit is used for acquiring water body data at the water quality detection device and the water quality secondary detection device, the host communication unit is used for analyzing and calculating the water body data acquired by the acquisition unit and transmitting the water body data to the control unit, and the control unit is used for controlling the alum adding drug pump 61 to be opened and closed.

The intelligent chlorination module comprises a data acquisition unit, a host communication unit and a control unit; the data acquisition unit is used for acquiring water body data at the chlorine detection device and the residual chlorine monitoring device, the host communication unit analyzes and calculates the water body data acquired by the acquisition unit and transmits the water body data to the control unit, and the control unit controls the chlorine adding pump 62 to be opened and closed.

The host and the communication unit in the intelligent alum adding module and the intelligent chlorine adding module are a PLC host case of the dosing system and a communication cable for connecting the cases with each unit, and equipment such as signal data connection, frequency division and the like; for convenience, the intelligent alum adding module and the intelligent chlorine adding module can adopt the same PLC mainframe box, and can also be independently arranged.

The control unit is divided into two control types of a remote control system of a central control room and a control type of a system control dosing pump, and a corresponding control computer or a touch screen is needed in the central control room. A control switch is additionally arranged on the dosing pump control cabinet to achieve the control purpose. When the intelligent dosing system is in normal operation, the control function of the water plant production system is disabled.

As shown in fig. 1, the water quality detecting apparatus includes a flow meter 71, a turbidity meter 72, a COD on-line detector 73, and a thermometer 74.

As shown in fig. 1, the water quality secondary detection device comprises a turbidity meter 72, a COD on-line detector 73 and a thermometer 74.

As shown in fig. 1, the chlorine detecting device includes a chlorine detector 81 and a water flow meter 82.

As shown in fig. 1, the residual chlorine monitoring device includes a chlorine detector 81.

Regarding the above-mentioned detectors, all are prior art, the COD on-line detector can adopt the water quality analyzer COD, the chlorine detector 81 can adopt the residual chlorine detector, and related equipment patents are available and sold on each platform, so that the description thereof will not be repeated here.

The working flow of the intelligent dosing system is as follows:

step 1: the data acquisition unit in the intelligent alum adding module acquires measurement data of water flow, turbidity, COD and temperature in the raw water pond and feeds the measurement data back to the host and the communication unit;

step 2: the host and the communication unit calculate the fed back data to obtain alum adding amount and feed back the alum adding amount to the control unit;

step 3: the control unit controls the alum adding medicine pump to be opened and closed for alum adding;

step 4: mixing the water body in the raw water tank with alum, flowing into a sedimentation tank, standing and settling;

step 5: the data acquisition unit acquires data of water flow at the outlet of the sedimentation tank, and feeds the acquired data back to the host and the communication unit, and the alum adding amount is adjusted according to the feedback data;

step 6: the water flows out of the sedimentation tank, flows through the sand filter and the carbon filter in sequence, the data acquisition unit in the intelligent chlorination module detects the data of the water body at the inlet of the clean water tank, detects the water body flow and the residual chlorine content in the water, and feeds the data back to the host and the communication unit

Step 7: the host and the communication unit calculate the fed back data to obtain proper chlorine adding amount, and transmit the signal to the control unit;

step 8: the control unit controls the chlorine adding medicine pump to be opened and closed, and chlorine is added into the water body;

step 9: data monitoring is carried out again at the water outlet of the clean water tank, chlorine content in the water body is monitored, the data is fed back to the host and the communication unit, and fine adjustment is carried out on the chlorine adding amount;

step 10: setting the adding adjustment frequency of the alum adding amount and the chlorine adding amount, and repeating the steps.

Normally, the alum consumption of manual alum addition is relatively high, the work cost is increased, the produced alum flowers can influence the environment, and the intelligent dosing system in the scheme can reduce the alum consumption and reduce the cost while guaranteeing the quality of effluent water.

For this reason, we performed comparative experiments at the same water sampling point for three consecutive years, and recorded alum consumption based on the collected water body data, and the relevant data are shown in tables 1-3 below.

Table 1 shows the data of each water body and the alum consumption after the intelligent dosing system in the scheme, and tables 2 and 3 show the data and the alum consumption when the intelligent dosing system is not adopted and manual dosing is adopted.

Table 1:

table 2:

table 3:

experimental data for experimental group and control group 1, control group 2 were integrated for analysis and are recorded in table 4 below.

Table 4:

to sum up:

the experiment is carried out in the same water production place, data measurement and acquisition are carried out in different months, the directionality of other factors in the experiment is guaranteed as much as possible, and the used alum consumption is calculated.

Claims (6)

1. The utility model provides an intelligent dosing system of water works and dosing assembly, includes raw water pond (1), its characterized in that: the device also comprises a sedimentation tank (2) communicated with the raw water tank (1), a sand filter (3) communicated with the sedimentation tank (2), a carbon filter (4) communicated with the sand filter (3) and a clean water tank (5) communicated with the carbon filter (4); still including setting up water quality testing device and the alum medicine pump (61) between raw water pond (1) and sedimentation tank (2), be provided with quality of water secondary detection device between sedimentation tank (2) and sand filtering pond (3), be provided with chlorine detection device and add chlorine medicine pump (62) between charcoal filtering pond (4) and clean water basin (5), clean water basin (5) delivery port department is provided with residual chlorine monitoring devices.

2. The intelligent dosing system and dosing assembly of a water mill according to claim 1, wherein: the water quality detection device comprises a flow meter (71), a turbidity meter (72), a COD on-line detector (73) and a thermometer (74).

3. The intelligent dosing system and dosing assembly of a water mill according to claim 2, wherein: the water quality secondary detection device comprises a turbidity meter (72), a COD on-line detector (73) and a thermometer (74).

4. The intelligent dosing system and dosing assembly of a water mill according to claim 3, wherein: the chlorine detection device comprises a chlorine detector (81) and a water flow meter (82).

5. The intelligent dosing system and dosing assembly for a water mill of claim 4, wherein: the residual chlorine monitoring device comprises a chlorine detector (81).

6. The intelligent dosing system and dosing assembly for a water mill of claim 5, wherein: at least two groups of sedimentation tanks (2) are arranged in parallel.