CN106292756B - Sewage treatment control system for adding drugs - Google Patents

Sewage treatment control system for adding drugs Download PDF

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Publication number
CN106292756B
CN106292756B CN201610756730.3A CN201610756730A CN106292756B CN 106292756 B CN106292756 B CN 106292756B CN 201610756730 A CN201610756730 A CN 201610756730A CN 106292756 B CN106292756 B CN 106292756B
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capacitor
resistance
cathode
pole
anode
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CN106292756A (en
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高杨
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Great Wall Energy Saving Environmental Protection Science And Technology Co Ltd
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Great Wall Energy Saving Environmental Protection Science And Technology Co Ltd
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00Control of flow ratio
    • G05D11/02Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G05D11/131Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Abstract

The invention discloses a kind of sewage treatment control system for adding drugs, shell including being divided into stirring cavity and medical fluid cavity by baffle, the outlet pipe of lower end on the right side of medical fluid cavity is set, the water pump being connected on outlet pipe, and the cesspool being connected by drainpipe with water pump;Further include the control system for adding drugs being arranged between water pump and cesspool, the control system for adding drugs by be fixed on cesspool inner wall sensor and while the Adding medicine control circuit board that is connected with the sensor and water pump form.The present invention provides a kind of sewage treatment control system for adding drugs, it can mention and automatically control the on or off dosing of doser, improve the effect and intelligence that doser uses, the loss of human resources in production process is reduced well, addition pharmaceutical quantities can also be more accurately controlled simultaneously, improve the treatment effect of sewage.

Description

Sewage treatment control system for adding drugs
Technical field
The invention belongs to sewage treatment field, in particular to a kind of sewage treatment control system for adding drugs.
Background technique
It is rare with water resource, it will be utilized again after sewage treatment, then become a Chinese medicine link for saving water resource, Sewage treatment drug is then the chemical agent that must be used in sewage treatment, and there is no right for existing sewage treatment chemicals dosing plant The dregs of a decoction are filtered, and water pump is caused often to extract the dregs of a decoction out when extracting medical fluid, cause the dregs of a decoction to block water pump, it is unnecessary to cause Trouble, bring big inconvenience to production.
Application No. is 201520924042.4 patent documents to disclose a kind of novel doser for sewage treatment, leads to It crosses and retaining device is set in shell, shell is divided into stirring cavity and medical fluid cavity, so that medical fluid is free of the dregs of a decoction when extracting, It will not result in blockage to water pump, ensure that production efficiency.
But the dosing mode of the doser is relatively simple, intelligence is poor, needs to go out by hand in actual use It opens and closes, need to expend a large amount of human resources when operation is with use, while the amount of its medicament addition is also difficult to control, very The case where being easy to happen insufficient medicament addition or medicament excessive addition, has been further aggravated production cost.
Summary of the invention
It is an object of the invention to overcome the above problem, a kind of sewage treatment control system for adding drugs is provided, can be mentioned certainly The dynamic control on or off dosing of doser improves effect and intelligence that doser uses, reduces produced well The loss of human resources in journey, while addition pharmaceutical quantities can also be more accurately controlled, improve the treatment effect of sewage.
The purpose of the invention is achieved by the following technical solution:
Sewage treatment control system for adding drugs, the shell including being divided into stirring cavity and medical fluid cavity by baffle, setting exist Handle on the right side of baffle, setting is in the intracorporal stirring rod of stir chamber and shaft, and the motor being connected with shaft, setting is under the baffle The water outlet of lower end on the right side of medical fluid cavity is arranged in shell upper end and the insertion intracorporal water inlet pipe of stir chamber in the strainer of side, setting Pipe, the water pump being connected on outlet pipe, and the cesspool being connected by drainpipe with water pump;The shaft lower end reaches Housing lower surface, and the lower end of the shaft is arranged in motor, and valve is additionally provided on water inlet pipe, is provided on the downside of shell Pillar further includes the control system for adding drugs being arranged between water pump and cesspool, and the control system for adding drugs is by being fixed on cesspool The sensor of inner wall and the Adding medicine control circuit board being connected simultaneously with the sensor and water pump composition;The Adding medicine control circuit Adding medicine control circuit is provided on plate, Adding medicine control electricity route test chip U1, the signal being connected with control chip U1 Input circuit and judge circuit of output terminal, and the power input terminal circuit being connected with signal input circuit forms;Wherein, it controls The model NE555 of coremaking piece U1.
Further, the power input terminal circuit is by triode VT1, triode VT2, the collection of one end and triode VT1 The resistance R1 that electrode is connected, the other end is connected with the collector of triode VT2, the emitter phase of anode and triode VT2 It connects, the capacitor pole C2, P that cathode is connected after resistance R6 with the base stage of triode VT1 is connected with the anode of capacitor C2, N The diode D1 that pole is sequentially connected after resistance R4, resistance R3 and resistance R2 with the collector of triode VT2, anode and three poles The pole capacitor C1 and P and capacitor that the collector of pipe VT2 is connected, cathode is connected with the tie point of resistance R2 and resistance R3 The zener diode D2 composition that the cathode of C2 is connected, the pole N is connected after resistance R5 with the pole N of diode D1;Wherein, three pole The emitter of pipe VT1 is connected with the base stage of triode VT2, and the anode of capacitor C1 and the base stage of triode VT1 are as the dosing The power input of control circuit and it is connected with power supply.
Further, the signal input circuit is connected by the pole P with the tie point of resistance R3 and resistance R4, the pole N passes through The diode D3 being connected simultaneously with the VCC pin of control chip U1 and RESET pin after resistance R9, one end and diode D3's The sliding that the pole N is connected, the other end is connected with the TRIG pin of control chip U1 and THRES pin simultaneously after resistance R7 becomes Hinder device RP1, anode be connected after resistance R8 with the tie point of slide rheostat RP1 and resistance R7, cathode and control chip U1 The capacitor C3 that is connected of THRES pin, anode is connected with the cathode of capacitor C3, cathode after slide rheostat RP2 with electricity Hold the capacitor C4 that is connected of anode of C3, and anode is connected with the CONT pin of control chip U1, cathode with control chip The capacitor C5 composition that the GND pin of U1 is connected;Wherein, the cathode of capacitor C4 simultaneously with the pole P of zener diode D2 and capacitor The cathode of C5 is connected, signal input part and and sensor of the sliding end of slide rheostat RP1 as the control system for adding drugs It is connected.
Further, the judgement circuit of output terminal is by bidirectional thyristor VS1, the OUT pipe of one end and control chip U1 The resistance R10 that foot is connected, the other end is connected with the control electrode of bidirectional thyristor VS1, and anode is with control chip U1's The capacitor C6 composition that OUT pin is connected, cathode is connected with the cathode of capacitor C5;Wherein, the cathode of capacitor C6 and two-way crystalline substance The second electrode of brake tube VS1 is connected, and the first electrode of bidirectional thyristor VS1 and the anode of capacitor C1 form the Adding medicine control system The output end of system and it is connected with water pump.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
The present invention is able to ascend the intelligence of product, enables product according to the dense of specific pollutant to be treated Degree to carry out dosing to cesspool automatically or stops dosing, and can change the operation of adjustment water pump according to the concentration of pollutant Intensity improves the accuracy of medicament addition, reduces the degree of participation of operator in product use process well, more preferably Save human resources.
Detailed description of the invention
Fig. 1 is structure chart of the invention.
Fig. 2 is the circuit structure diagram of Adding medicine control circuit of the invention.
Description of symbols: 1, pillar;2, shell;3, filter screen;4, cavity is stirred;5, water inlet pipe;6, valve;7, turn Axis;8, stirring rod;9, baffle;10, handle;11, outlet pipe;12, water pump;13, drainpipe;14, cesspool;15, motor;16, Control system for adding drugs.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, and embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, sewage treatment control system for adding drugs, including being divided by baffle 9 for stirring cavity 4 and medical fluid cavity The handle 10 on 9 right side of baffle is arranged in shell 2, and the stirring rod 8 in stirring cavity 4 and shaft 7 is arranged in, is connected with shaft 7 Motor 15, the strainer 3 below baffle 9 is set, be arranged in 2 upper end of shell and insertion stirring cavity 4 in water inlet pipe 5, if The outlet pipe 11 for setting the lower end on the right side of medical fluid cavity, the water pump 12 being connected on outlet pipe 11, and pass through drainpipe 13 and water The cesspool 14 that pump 12 is connected;7 lower end of shaft reaches 2 lower surface of shell, and motor 15 is arranged under the shaft 7 End, valve 6 is additionally provided on water inlet pipe 13, the downside of shell 2 is provided with pillar 1, further includes being arranged in water pump 12 and dirt Control system for adding drugs between pond 14, the control system for adding drugs by be fixed on 14 inner wall of cesspool sensor and simultaneously with this The Adding medicine control circuit board composition that sensor is connected with water pump 12.
When in use, strainer can filter out impurity, and impurity is avoided to enter medical fluid cavity by stirring cavity, so that water Pump will not be extracted into impurity when extracting medical fluid, avoid the impurity blocking water pump in medical fluid well, improve the use of product Effect.And by setting control system for adding drugs, it can be good at the automatic progress for realizing pump working, improve the use of product Effect and intelligence.
Wherein, sensor is arranged on the inner wall of cesspool, setting position should close to cesspool bottom of pond, sensor Type can according to need the substance of processing to select, and the signal output end of sensor is connected on Adding medicine control circuit, is made Obtain starting, closing and the speed of service of the signal strength adjustment water pump that the Adding medicine control circuit is spread out of according to sensor.
As shown in Fig. 2, it is provided with Adding medicine control circuit on the Adding medicine control circuit board, the Adding medicine control electricity route test Chip U1, with the signal input circuit that is connected of control chip U1 and judge circuit of output terminal, and and signal input circuit The power input terminal circuit composition being connected;Wherein, the model NE555 of chip U1 is controlled.
Power input terminal circuit is by triode VT1, triode VT2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, diode D1, zener diode D2, capacitor C1 and capacitor C2 composition.
When connection, one end of resistance R1 is connected with the collector of triode VT1, the current collection of the other end and triode VT2 Pole is connected, capacitor C2 anode be connected with the emitter of triode VT2, base of the cathode after resistance R6 with triode VT1 Pole is connected, the pole P of diode D1 is connected with the anode of capacitor C2, the pole N sequentially after resistance R4, resistance R3 and resistance R2 with The collector of triode VT2 is connected, the anode of capacitor C1 is connected with the collector of triode VT2, cathode and resistance R2 and The tie point of resistance R3 is connected, the pole P of zener diode D2 is connected with the cathode of capacitor C2, the pole N after resistance R5 with two The pole N of pole pipe D1 is connected.
Wherein, the emitter of triode VT1 is connected with the base stage of triode VT2, anode and the triode VT1 of capacitor C1 Base stage as the Adding medicine control circuit power input and be connected with power supply.
Signal input circuit is by slide rheostat RP1, slide rheostat RP2, resistance R7, resistance R8, resistance R9, capacitor C3, capacitor C4, capacitor C5 and diode D3 composition.
When connection, the pole P of diode D3 is connected with the tie point of resistance R3 and resistance R4, the pole N after resistance R9 simultaneously It is connected with the VCC pin of control chip U1 and RESET pin, one end of slide rheostat RP1 is extremely connected with the N of diode D3 It connects, the other end is connected with the TRIG pin of control chip U1 and THRES pin simultaneously after resistance R7, the anode warp of capacitor C3 It is connected after resistance R8 with the tie point of slide rheostat RP1 and resistance R7, cathode is connected with the THRES pin of control chip U1 It connects, the anode of capacitor C4 is connected with the cathode of capacitor C3, cathode is connected after slide rheostat RP2 with the anode of capacitor C3 It connects, the anode of capacitor C5 is connected with the CONT pin of control chip U1, cathode is connected with the GND pin of control chip U1.
Wherein, the cathode of capacitor C4 is connected with the cathode of the pole P of zener diode D2 and capacitor C5 simultaneously, slides variable resistance The sliding end of device RP1 as the control system for adding drugs signal input part and be connected with sensor.
Judge that circuit of output terminal is made of bidirectional thyristor VS1, resistance R10 and capacitor C6.
When connection, one end of resistance R10 is connected with the OUT pin of control chip U1, the other end and bidirectional thyristor VS1 Control electrode be connected, the anode of capacitor C6 is connected with the OUT pin for controlling chip U1, cathode is connected with the cathode of capacitor C5 It connects.
Wherein, the cathode of capacitor C6 is connected with the second electrode of bidirectional thyristor VS1, and the first of bidirectional thyristor VS1 Electrode forms the output end of the control system for adding drugs with the anode of capacitor C1 and is connected with the power input of water pump 12, and leads to The power input is crossed to be powered to support water pump operation to pump water pump.
This Adding medicine control circuit is designed exclusively for the doser, so that the apparatus for treating sewage takes under the smallest improvement Obtain best application effect.For its existing trigger control circuit, the knot of the Adding medicine control circuit in the present invention Structure is simpler, and production cost is lower, and using effect is more preferable;Meanwhile the Adding medicine control circuit of the application is matched with the doser Degree is higher compared to for other existing trigger control circuits, this Adding medicine control circuit can in the service life that the doser rises Up to 8-10, and the service life highest of other existing trigger control circuits is only capable of reaching 4 years;In addition, the dosing of the application The energy-saving effect of control circuit can be improved 30%-40% compared to other trigger control circuits, reduce product well Use cost.
When work, power supply is connected on the power input of Adding medicine control circuit, and by the signal of corresponding sensor Output end is connected on the signal input part of this system, is reached in the concentration of sensor measurement to corresponding substance to be treated When preset value can trigger control chip U1 so that control chip U1 OUT pin export electric current, and then be connected bidirectional thyristor VS1 conducting, water pump work once electrified are simultaneously pumped into corresponding treatment agent into cesspool, are lower than in the concentration of substance to be treated The OUT pin that chip U1 is controlled after preset value does not export electric current, and bidirectional thyristor VS1 is promoted to disconnect, and the power supply of water pump is disconnected It is out of service, so as to complete the process of entire dosing.It when in use, can be by adjusting the sliding end of slide rheostat RP1 Change the preset value of system, control chip U1 will according to the revolving speed of the signal strength control water pump inputted on signal input part, To achieve the purpose that adjust automatically product dosage.
As described above, the present invention can be realized well.

Claims (3)

1. sewage treatment control system for adding drugs, the shell (2) including being divided into stirring cavity (4) and medical fluid cavity by baffle (9), The stirring rod (8) in stirring cavity (4) and shaft (7) is arranged, with shaft (7) in the handle (10) being arranged on the right side of baffle (9) The motor (15) being connected, the strainer (3) being arranged below baffle (9), setting is in shell (2) upper end and insertion stirring cavity (4) outlet pipe (11) of lower end on the right side of medical fluid cavity, the water pump being connected on outlet pipe (11) is arranged in the water inlet pipe (5) in (12), the cesspool (14) and by drainpipe (13) being connected with water pump (12);Shaft (7) lower end reaches shell (2) lower surface, and motor (15) is arranged in the lower end of the shaft (7), valve (6) is additionally provided on water inlet pipe (13), in shell Pillar (1) is provided on the downside of body (2), it is characterised in that: further include setting adding between water pump (12) and cesspool (14) Medicine control system, the control system for adding drugs by be fixed on cesspool (14) inner wall sensor and simultaneously with the sensor and water pump (12) the Adding medicine control circuit board composition being connected;It is provided with Adding medicine control circuit on the Adding medicine control circuit board, the dosing Control circuit by control chip U1, with the signal input circuit that is connected of control chip U1 and judge circuit of output terminal, and The power input terminal circuit composition being connected with signal input circuit;Wherein, the model NE555 of chip U1 is controlled;The electricity Source inlet circuit is by triode VT1, triode VT2, and one end is connected with the collector of triode VT1, the other end and three poles The resistance R1 that the collector of pipe VT2 is connected, anode is connected with the emitter of triode VT2, cathode after resistance R6 with three The capacitor pole C2, P that the base stage of pole pipe VT1 is connected is connected with the anode of capacitor C2, the pole N sequentially through resistance R4, resistance R3 and The diode D1 being connected after resistance R2 with the collector of triode VT2, anode are connected with the collector of triode VT2, bear The pole capacitor C1 and P that pole is connected with the tie point of resistance R2 and resistance R3 is connected with the cathode of capacitor C2, the pole N is through electricity The zener diode D2 composition being connected after resistance R5 with the pole N of diode D1;Wherein, the emitter and triode of triode VT1 The base stage of VT2 is connected, the anode of capacitor C1 and the base stage of triode VT1 as the power input of the Adding medicine control circuit and It is connected with power supply.
2. sewage treatment control system for adding drugs according to claim 1, it is characterised in that: the signal input circuit by The pole P is connected with the tie point of resistance R3 and resistance R4, the pole N after resistance R9 simultaneously with the VCC pin of control chip U1 and The diode D3 that RESET pin is connected, one end is connected with the pole N of diode D3, the other end after resistance R7 simultaneously with control The slide rheostat RP1 that the TRIG pin of coremaking piece U1 is connected with THRES pin, anode after resistance R8 with slide rheostat The capacitor C3 that the tie point of RP1 and resistance R7 are connected, cathode is connected with the THRES pin of control chip U1, anode and electricity Hold C3 cathode be connected, the capacitor C4 that cathode is connected after slide rheostat RP2 with the anode of capacitor C3, and anode with The capacitor C5 that the CONT pin of control chip U1 is connected, cathode is connected with the GND pin of control chip U1 is formed;Wherein, The cathode of capacitor C4 is connected with the cathode of the pole P of zener diode D2 and capacitor C5 simultaneously, the sliding end of slide rheostat RP1 As the control system for adding drugs signal input part and be connected with sensor.
3. sewage treatment control system for adding drugs according to claim 2, it is characterised in that: the judgement circuit of output terminal By bidirectional thyristor VS1, one end with control chip U1 OUT pin be connected, the control electrode of the other end and bidirectional thyristor VS1 The resistance R10 being connected, and anode is connected with the OUT pin of control chip U1, cathode is connected with the cathode of capacitor C5 Capacitor C6 composition;Wherein, the cathode of capacitor C6 is connected with the second electrode of bidirectional thyristor VS1, bidirectional thyristor VS1's First electrode forms the output end of the control system for adding drugs with the anode of capacitor C1 and is connected with water pump (12).
CN201610756730.3A 2016-08-29 2016-08-29 Sewage treatment control system for adding drugs Active CN106292756B (en)

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Application Number Priority Date Filing Date Title
CN201610756730.3A CN106292756B (en) 2016-08-29 2016-08-29 Sewage treatment control system for adding drugs

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Application Number Priority Date Filing Date Title
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CN106292756B true CN106292756B (en) 2019-01-18

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113816477B (en) * 2021-10-07 2023-04-21 浙江宏电环保股份有限公司 Sewage sedimentation treatment device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2305399A1 (en) * 1975-03-24 1976-10-22 Inst Veterinarnoi Virusologi Thermal decontamination process for waste water - for removing pathogenic microorganisms
AU717732B2 (en) * 1994-07-08 2000-03-30 Amphion International, Limited Decontamination system with improved components
CN101303581A (en) * 2008-05-14 2008-11-12 孙宪彬 Automatic control system of microwave sewage treating equipment
CN202625876U (en) * 2012-06-17 2012-12-26 成都恒瑞制药有限公司 Device used for automatically adding medicine into circulating water and provided with prompting system
CN102976468A (en) * 2012-12-07 2013-03-20 上海应用技术学院 Automatic chemical adding machine in water treatment and applications thereof
CN202898058U (en) * 2012-09-13 2013-04-24 北京万邦达环保技术股份有限公司 Automatic dosing device
CN205146084U (en) * 2015-11-18 2016-04-13 叶嘉浩 A novel doser for sewage treatment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2305399A1 (en) * 1975-03-24 1976-10-22 Inst Veterinarnoi Virusologi Thermal decontamination process for waste water - for removing pathogenic microorganisms
AU717732B2 (en) * 1994-07-08 2000-03-30 Amphion International, Limited Decontamination system with improved components
CN101303581A (en) * 2008-05-14 2008-11-12 孙宪彬 Automatic control system of microwave sewage treating equipment
CN202625876U (en) * 2012-06-17 2012-12-26 成都恒瑞制药有限公司 Device used for automatically adding medicine into circulating water and provided with prompting system
CN202898058U (en) * 2012-09-13 2013-04-24 北京万邦达环保技术股份有限公司 Automatic dosing device
CN102976468A (en) * 2012-12-07 2013-03-20 上海应用技术学院 Automatic chemical adding machine in water treatment and applications thereof
CN205146084U (en) * 2015-11-18 2016-04-13 叶嘉浩 A novel doser for sewage treatment

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