CN117142618A - Online pH value monitoring device for middle sulfur-containing sewage - Google Patents
Online pH value monitoring device for middle sulfur-containing sewage Download PDFInfo
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- CN117142618A CN117142618A CN202311422028.XA CN202311422028A CN117142618A CN 117142618 A CN117142618 A CN 117142618A CN 202311422028 A CN202311422028 A CN 202311422028A CN 117142618 A CN117142618 A CN 117142618A
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- sulfur
- solenoid valve
- neutralization
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- 239000010865 sewage Substances 0.000 title claims abstract description 98
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 30
- 239000011593 sulfur Substances 0.000 title claims abstract description 30
- 238000012806 monitoring device Methods 0.000 title claims abstract description 24
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 61
- 239000007788 liquid Substances 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 239000002253 acid Substances 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 60
- 238000005086 pumping Methods 0.000 claims description 24
- 239000002351 wastewater Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 15
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/85—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with two or more stirrers on separate shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/2132—Concentration, pH, pOH, p(ION) or oxygen-demand
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Treating Waste Gases (AREA)
Abstract
The application discloses an on-line pH value monitoring device for middle sulfur-containing sewage, which relates to the field of petrochemical industry and comprises a first pH sensor, a second pH sensor and a third pH sensor which are equidistantly arranged on the inner wall of a sewage pool; the sewage pool comprises a mounting frame, wherein the mounting frame is fixedly arranged at the top of the sewage pool, three hollow shafts which are distributed at equal intervals are rotationally connected to the bottom of the mounting frame, and branch flow pipes are respectively communicated with the tops of the hollow shafts. This middle sulfur-containing sewage online pH value monitoring devices, through pH sensor I, pH sensor II, pH sensor III are used for carrying out subregion monitoring to the sewage in the effluent water sump, and with detection data information feedback transmission to control terminal, make control terminal carry out opening of different degree according to the difference of the pH value in different regions in the effluent water sump, control solenoid valve I, solenoid valve II and solenoid valve III, make the volume of three tributary pipe department exhaust alkaline neutralization liquid different, thereby can effectively improve the acid neutralization effect in the effluent water sump, simultaneously also improve the neutralization efficiency of sewage acid-base.
Description
Technical Field
The application relates to petrochemical technology, in particular to an on-line pH value monitoring device for middle sulfur-containing sewage.
Background
The on-line pH value monitoring device for the sulfur-containing sewage is mainly used for continuously monitoring and recording the pH value of the sulfur-containing sewage in real time so as to help evaluate and control the water quality condition of the sewage.
In the sulfur-containing sewage treatment process, the pH value in the sewage tank is monitored through an online pH value monitoring device, when the acidic components in the sewage exceeds the standard, a proper amount of alkaline substances are introduced into the sewage through controlling an electromagnetic valve on an external pipeline to perform acid-base neutralization treatment, so that the pH value of the sewage can be kept in a proper range, and the sulfide can be effectively treated in the follow-up process.
However, in the practical application process, as the area of the sewage pool is larger, and the pH value detection point position of the sewage in the sewage pool is single, the sewage is sent into the process, and the pH values of the sewage in different areas in the sewage pool have larger difference, so that larger errors are caused between the discharge amount of alkaline substances and the actual requirement, and the alkaline substances diffuse slowly in the sewage and cannot be in contact with the high-acid sewage in the sewage pool for neutralization reaction rapidly when discharged at fixed points through a pipeline, so that the neutralization reaction rate of acid components is lower.
Disclosure of Invention
The application aims to provide an on-line pH value monitoring device for middle sulfur-containing sewage, so as to solve the defects in the prior art.
In order to achieve the above object, the present application provides the following technical solutions: intermediate sulfur-containing sewage on-line pH value monitoring device includes:
the pH sensors I, II and III are equidistantly arranged on the inner wall of the sewage pool;
the sewage treatment device comprises a mounting frame, wherein the mounting frame is fixedly arranged at the top of a sewage pool, the bottom of the mounting frame is rotationally connected with three hollow shafts distributed at equal intervals, the tops of the three hollow shafts are respectively communicated with branch pipes, the outer parts of the three branch pipes are respectively provided with a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve, and a plurality of spray heads are sequentially arranged on the outer parts of the branch pipes from top to bottom;
the four-way joint is fixedly connected between the three branch pipes;
the neutralization mechanism comprises a box body arranged at one side of the sewage tank, a liquid storage cavity is formed in the box body, alkaline neutralization liquid is filled in the liquid storage cavity, a pumping assembly is arranged in the box body, and the pumping assembly is used for pumping the alkaline neutralization liquid in the liquid storage cavity into the sewage tank;
the control terminal is arranged at the top of the box body, and the first pH sensor, the second pH sensor, the third pH sensor, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are electrically connected with the control terminal;
the auxiliary neutralization mechanism is arranged outside the hollow shaft and is used for accelerating the rapid contact reaction of the alkaline neutralization liquid and the acid standard exceeding sewage to perform pH neutralization.
Further, the pumping assembly comprises a mounting cavity formed in the box body, a water pump is fixedly mounted in the mounting cavity, and a pump suction pipe and a pumping pipe are connected to the outside of the water pump.
Further, one end of the pumping pipe far away from the water pump is fixedly communicated with the four-way joint, and one end of the pumping pipe far away from the water pump is fixedly communicated with the liquid storage cavity and extends to the bottom of the liquid storage cavity.
Further, the auxiliary neutralization mechanism comprises a first stirring plate, a second stirring plate and a third stirring plate which are sequentially distributed outside the hollow shaft from top to bottom, a driving assembly is arranged in the mounting frame, and a connector is arranged between the hollow shaft and the branch pipe.
Further, stirring board two vertical settings, stirring board one and stirring board three all slope setting, just stirring board one and stirring board three slope opposite direction, stirring board one and stirring board three synchronous rotation can promote sewage to the sewage pond middle part of sewage pond upper and lower side, and stirring board one and stirring board three synchronous rotation can be with sewage pond upper and lower side when promoting to the sewage pond middle part, under stirring board one and stirring board three promotion, two rivers have certain kinetic energy in the flow process, therefore can collide in the assembly time to, and the mixed liquid of two rivers after the collision can diffuse all around, and under middle part stirring board two promotion for the kinetic energy increase when mixed liquid diffuses all around, make sewage in the sewage pond can be better with alkaline neutralization liquid contact reaction neutralization in the neutralization process.
Further, the driving assembly comprises belt wheels I which are respectively and fixedly connected to the outer parts of the three hollow shafts, the number of the belt wheels I outside the hollow shafts is one at the two sides, the number of the belt wheels I outside the hollow shafts in the middle is two, and a transmission belt I is connected between the two belt wheels I outside the hollow shafts in the middle and the belt wheels I at the two sides in a transmission manner.
Further, the motor is installed at the top of mounting bracket, is located near motor one side the outside of cavity axle and the outside of motor output shaft are all fixed mounting have the band pulley second, two the transmission is connected with the drive belt between the band pulley second.
Further, the connector comprises a shell fixedly connected to the top of the mounting frame, a communication cavity is formed in the shell, a rotary groove is formed in the bottom of the shell, a convex ring is fixedly connected to the top of the hollow shaft, the convex ring is rotationally connected with the inner wall of the rotary groove, and the convex ring is in sealing arrangement with the contact surface of the rotary groove.
Further, the hollow shaft and the tributary pipe are communicated with the communication cavity.
The online pH value monitoring and adjusting system for the middle sulfur-containing sewage is applied to the online pH value monitoring device for the middle sulfur-containing sewage, and comprises:
a temporary storage unit for storing a sewage neutralization action pH value threshold value preset by an operator;
the comparison unit is used for receiving the pH value data detected by the first pH sensor, the second pH sensor and the third pH sensor, comparing the received pH value data with the preset pH value in the temporary storage unit to form a control action signal, and transmitting the control action signal to the control terminal;
and the control terminal is used for receiving the control action signal transmitted by the comparison unit, controlling the opening action of the first electromagnetic valve, the second electromagnetic valve or the third electromagnetic valve, controlling the opening degree of the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve and controlling the starting of the motor and the water pump, or controlling the closing action of the first electromagnetic valve, the second electromagnetic valve or the third electromagnetic valve and controlling the closing action of the motor and the water pump.
Compared with the prior art, the online pH value monitoring device for the middle sulfur-containing sewage provided by the application has the following beneficial effects:
1. this middle sulfur-containing sewage online pH value monitoring devices, through pH sensor I, pH sensor II, pH sensor III are used for carrying out subregion monitoring to the sewage in the effluent water sump, and with detection data information feedback transmission to control terminal, make control terminal carry out opening of different degree according to the difference of the pH value in different regions in the effluent water sump, control solenoid valve I, solenoid valve II and solenoid valve III, make the volume of three tributary pipe department exhaust alkaline neutralization liquid different, thereby can effectively improve the acid neutralization effect in the effluent water sump, simultaneously also improve the neutralization efficiency of sewage acid-base.
2. This middle sulfur-containing sewage online pH value monitoring devices through drive assembly drive stirring board I, stirring board II and stirring board III carry out synchronous rotation for stirring board I under the synchronous rotation state and stirring board three can be synchronous with sewage to the sewage pond middle part promotion of sewage pond upper and lower side, make two rivers have certain kinetic energy in the flow process, therefore can collide in converging, and, the mixed liquid of two rivers after the collision can diffuse all around, and under the promotion of middle part stirring board, kinetic energy increase when making supplementary mixed liquid diffuse all around, the sewage that makes in its sewage pond is in neutralization in-process can be better with alkaline neutralization liquid contact reaction neutralization, make acid sewage neutralization efficiency further improve.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present application;
FIG. 2 is an enlarged schematic view of a part of the structure in FIG. 1 according to an embodiment of the present application;
fig. 3 is a schematic view of an internal structure of a box according to an embodiment of the present application;
fig. 4 is a schematic diagram of an internal structure of a mounting frame according to an embodiment of the present application;
FIG. 5 is an enlarged schematic view of the structure shown in FIG. 4A according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a connection structure of a first stirring plate, a second stirring plate, a third stirring plate and a hollow shaft according to an embodiment of the present application;
FIG. 7 is a schematic view of the internal structure of a housing according to an embodiment of the present application;
FIG. 8 is a flowchart of an on-line pH monitoring and adjusting system for middle sulfur-containing wastewater, according to an embodiment of the present application.
Reference numerals illustrate:
1. a sewage pool; 2. a first pH sensor; 3. a second pH sensor; 4. a pH sensor III; 5. a mounting frame; 6. a hollow shaft; 7. a branch flow pipe; 8. a four-way joint; 9. a first electromagnetic valve; 10. a second electromagnetic valve; 11. a third electromagnetic valve; 12. a spray head; 13. a neutralization mechanism; 131. a case; 132. a liquid storage cavity; 133. a pumping assembly; 1331. a water pump; 1332. a pump suction pipe; 1333. a pumping tube; 14. a control terminal; 15. an auxiliary neutralization mechanism; 151. stirring plate I; 152. stirring plate II; 153. stirring plate III; 154. a drive assembly; 1541. a belt wheel I; 1542. a first transmission belt; 1543. a motor; 1544. a belt wheel II; 1545. a second transmission belt; 155. a connector; 1551. a housing; 1552. a communication chamber; 1553. a rotary groove; 1554. a convex ring.
Detailed Description
In order to make the technical scheme of the present application better understood by those skilled in the art, the present application will be further described in detail with reference to the accompanying drawings.
Embodiment one: referring to fig. 1-3, an on-line pH monitoring apparatus for intermediate sulfur-containing wastewater includes:
the pH sensors I and II and the pH sensor III and 4 are equidistantly arranged on the inner wall of the sewage pool 1;
the installation frame 5 is fixedly installed at the top of the sewage tank 1, three hollow shafts 6 which are distributed at equal intervals are rotationally connected to the bottom of the installation frame 5, the tops of the three hollow shafts 6 are respectively communicated with the branch pipes 7, electromagnetic valves I9, II 10 and III 11 are respectively installed at the outer parts of the three branch pipes 7, and a plurality of spray heads 12 are sequentially installed at the outer parts of the branch pipes 7 from top to bottom;
a four-way joint 8 fixedly connected between the three branch pipes 7;
the neutralization mechanism 13, the neutralization mechanism 13 comprises a box body 131 arranged at one side of the sewage tank 1, a liquid storage cavity 132 is formed in the box body 131, alkaline neutralization liquid is filled in the liquid storage cavity 132, a pumping assembly 133 is arranged in the box body 131, and the pumping assembly 133 is used for pumping the alkaline neutralization liquid in the liquid storage cavity 132 into the sewage tank 1;
the control terminal 14 is installed at the top of the box 131, and the first pH sensor 2, the second pH sensor 3, the third pH sensor 4, the first electromagnetic valve 9, the second electromagnetic valve 10 and the third electromagnetic valve 11 are electrically connected with the control terminal 14;
the pH sensor I2, the pH sensor II 3 and the pH sensor III 4 are used for carrying out regional monitoring on sewage in the sewage pool 1;
the solenoid valve one 9, the solenoid valve two 10 and the solenoid valve three 11 control the discharge or not of the alkaline neutralizing liquid of the three branch pipes 7, respectively, and control the discharge amount of the alkaline neutralizing liquid at the three branch pipes 7.
In the use, through pH sensor one 2, pH sensor two 3, pH sensor three 4 are used for carrying out the subregion monitoring to the sewage in the effluent water sump 1 to with the detection data information feedback transmission to control terminal 14, make control terminal 14 according to the difference of the pH value in different regions in the effluent water sump 1, control solenoid valve one 9, solenoid valve two 10 and solenoid valve three 11 carry out opening of different degree, the volume of the alkaline neutralization liquid that makes three tributary pipe 7 department discharge is different, thereby can effectively improve the acid neutralization effect in the effluent water sump 1, also improve the neutralization efficiency of sewage acid-base simultaneously.
Specifically, the pumping assembly 133 includes a mounting cavity formed in the casing 131, a water pump 1331 is fixedly mounted in the mounting cavity, and a pump suction pipe 1332 and a pump pipe 1333 are connected to the outside of the water pump 1331.
Further, an end of the pumping pipe 1333 away from the water pump 1331 is fixedly communicated with the four-way joint 8, and an end of the pumping pipe 1332 away from the water pump 1331 is fixedly communicated with the liquid storage cavity 132 and extends to the bottom of the liquid storage cavity 132.
In the use process, the pump 1331 and the pump suction tube 1332 are matched with the alkaline neutralization liquid stored in the liquid storage cavity 132 to carry out pumping, the sucked alkaline neutralization liquid is conveyed to the four-way joint 8 through the pumping pipe 1333, the alkaline neutralization liquid is split into the three branch pipes 7 through the four-way joint 8, at the moment, the flow rates of the three branch pipes 7 are controlled through the first electromagnetic valve 9, the second electromagnetic valve 10 and the third electromagnetic valve 11, the alkaline neutralization liquid amount which can pass through the three branch pipes 7 can meet the acid neutralization requirement of different areas in the sewage pool 1, the alkaline neutralization liquid which flows through the three branch pipes 7 continuously flows downwards into the three hollow shafts 6, and the alkaline neutralization liquid with different flow rates is sprayed to different areas in sewage from the spray heads 12 arranged on the three hollow shafts 6 respectively to carry out acid neutralization.
Embodiment two: referring to fig. 4-7, the present embodiment provides an auxiliary neutralization mechanism 15, which is disposed outside the hollow shaft 6, and the auxiliary neutralization mechanism 15 is used to accelerate the rapid contact reaction between the alkaline neutralization solution and the acidic standard exceeding sewage for pH neutralization.
Specifically, the auxiliary neutralization mechanism 15 includes a first stirring plate 151, a second stirring plate 152, and a third stirring plate 153 sequentially distributed outside the hollow shaft 6 from top to bottom, a driving assembly 154 is disposed inside the mounting frame 5, and a connector 155 is disposed between the hollow shaft 6 and the tributary pipe 7.
Further, the stirring plate two 152 is vertically arranged, the stirring plate one 151 and the stirring plate three 153 are both obliquely arranged, the inclination directions of the stirring plate one 151 and the stirring plate three 153 are opposite, and the stirring plate one 151 and the stirring plate three 153 can synchronously rotate to push sewage above and below the sewage pool 1 to the middle part of the sewage pool 1.
When the stirring plate I151 and the stirring plate III 153 synchronously rotate to push sewage above and below the sewage pool 1 to the middle part of the sewage pool 1, two water flows have certain kinetic energy in the flowing process under the pushing of the stirring plate I151 and the stirring plate III 153, so collision can occur during convergence, mixed liquid of the two water flows after collision can diffuse to the periphery, and the kinetic energy of auxiliary mixed liquid when the auxiliary mixed liquid diffuses to the periphery is increased under the pushing of the middle part stirring plate II 152, so that the sewage in the sewage pool 1 can be better neutralized with alkaline neutralization liquid in the neutralization process.
In this embodiment, the driving assembly 154 includes one pulley 1541 fixedly connected to the outer portions of the three hollow shafts 6, and the number of the pulleys 1541 located at the outer portions of the hollow shafts 6 is one, and the number of the pulleys 1541 located at the outer portions of the hollow shafts 6 is two, and a transmission belt 1542 is drivingly connected between the two pulleys 1541 located at the outer portions of the hollow shafts 6 and the pulleys 1541 at the two sides.
Further, a motor 1543 is installed at the top of the installation frame 5, two belt wheels 1544 are fixedly installed outside the hollow shaft 6 at one side close to the motor 1543 and outside the output shaft of the motor 1543, and a transmission belt two 1545 is connected between the two belt wheels two 1544 in a transmission mode.
In this embodiment, the connector 155 includes a housing 1551 fixedly connected to the top of the mounting frame 5, a communication cavity 1552 is formed in the housing 1551, a rotating groove 1553 is formed in the bottom of the housing 1551, a convex ring 1554 is fixedly connected to the top of the hollow shaft 6, the convex ring 1554 is rotatably connected to the inner wall of the rotating groove 1553, and a contact surface between the convex ring 1554 and the rotating groove 1553 is sealed.
Further, the hollow shaft 6 and the branch pipe 7 are both communicated with the communication cavity 1552.
During use, the motor 1543 drives the external belt pulley II 1544 to rotate, the belt pulley II 1544 close to the hollow shaft 6 on one side of the motor 1543 rotates under the transmission action of the transmission belt II 1545, the hollow shaft 6 rotates and drives the external belt pulley I1541 to rotate, and the three hollow shafts 6 can synchronously rotate under the matched transmission action of the transmission belt I1542 and the rest belt pulley I1541;
in the rotation process of the hollow shaft 6, the stirring plate I151, the stirring plate II 152 and the stirring plate III 153 which are arranged outside are driven to synchronously rotate, when the stirring plate I151 and the stirring plate III 153 synchronously rotate, sewage above and below the sewage tank 1 can be synchronously pushed to the middle part of the sewage tank 1, and two water flows have certain kinetic energy in the flowing process under the pushing of the stirring plate I151 and the stirring plate III 153, so that collision can occur in the converging process, mixed liquid of the two water flows after collision can be diffused all around, and the kinetic energy of the mixed liquid can be increased when the mixed liquid is diffused all around under the pushing of the stirring plate II 152 in the middle part, so that the mixed liquid can be diffused to a farther place, and the sewage in the sewage tank 1 can be better neutralized with alkaline neutralization liquid in the neutralization process.
Embodiment III: referring to fig. 8, the present embodiment provides an online pH monitoring and adjusting system for an intermediate sulfur-containing wastewater, which is applied to an online pH monitoring device for an intermediate sulfur-containing wastewater, based on the above embodiment, and includes:
a temporary storage unit for storing a sewage neutralization action pH value threshold value preset by an operator;
the comparison unit is used for receiving the pH value data detected by the first pH sensor 2, the second pH sensor 3 and the third pH sensor 4, comparing the received pH value data with the preset pH value in the temporary storage unit to form a control action signal, and transmitting the control action signal to the control terminal 14;
and a control terminal 14 for receiving the control action signal transmitted by the comparison unit, and controlling the solenoid valve one 9, the solenoid valve two 10 or the solenoid valve three 11 to open and controlling the opening degree of the solenoid valve one 9, the solenoid valve two 10 or the solenoid valve three 11 and controlling the motor 1543 and the water pump 1331 to start, or controlling the solenoid valve one 9, the solenoid valve two 10 or the solenoid valve three 11 to close and controlling the motor 1543 and the water pump 1331 to close.
While certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the application, which is defined by the appended claims.
Claims (10)
1. Intermediate sulfur-containing sewage on-line pH value monitoring device, its characterized in that includes:
the pH sensors I (2), II (3) and III (4) are equidistantly arranged on the inner wall of the sewage pool (1);
the sewage treatment device comprises a mounting frame (5), wherein the mounting frame is fixedly arranged at the top of a sewage pool (1), three hollow shafts (6) which are distributed at equal intervals are rotationally connected to the bottom of the mounting frame (5), branch pipes (7) are respectively communicated with the top of the three hollow shafts (6), electromagnetic valves I (9), II (10) and III (11) are respectively arranged outside the three branch pipes (7), and a plurality of spray heads (12) are sequentially arranged outside the branch pipes (7) from top to bottom;
the four-way joint (8) is fixedly connected among the three branch pipes (7);
the neutralization mechanism (13), the neutralization mechanism (13) comprises a box body (131) arranged on one side of the sewage tank (1), a liquid storage cavity (132) is formed in the box body (131), alkaline neutralization liquid is filled in the liquid storage cavity (132), a pumping assembly (133) is arranged in the box body (131), and the pumping assembly (133) is used for pumping the alkaline neutralization liquid in the liquid storage cavity (132) into the sewage tank;
the control terminal (14) is arranged at the top of the box body (131), and the first pH sensor (2), the second pH sensor (3), the third pH sensor (4), the first electromagnetic valve (9), the second electromagnetic valve (10) and the third electromagnetic valve (11) are electrically connected with the control terminal (14);
the auxiliary neutralization mechanism (15) is arranged outside the hollow shaft (6), and the auxiliary neutralization mechanism (15) is used for accelerating the rapid contact reaction of the alkaline neutralization liquid and the acid standard exceeding sewage to perform pH neutralization.
2. The online pH monitoring device for sulfur-containing wastewater in the middle of claim 1, wherein the pumping assembly (133) comprises a mounting cavity formed in the box body (131), a water pump (1331) is fixedly mounted in the mounting cavity, and a pump suction pipe (1332) and a pumping pipe (1333) are connected to the outside of the water pump (1331).
3. The online pH monitoring device for sulfur-containing wastewater in the middle of claim 2, wherein one end of the pumping pipe (1333) far away from the water pump (1331) is fixedly communicated with the four-way joint (8), and one end of the pumping pipe (1332) far away from the water pump (1331) is fixedly communicated with the liquid storage cavity (132) and extends to the bottom of the liquid storage cavity (132).
4. The online pH monitoring device for middle sulfur-containing sewage according to claim 1, wherein the auxiliary neutralization mechanism (15) comprises a stirring plate one (151), a stirring plate two (152) and a stirring plate three (153) which are sequentially distributed outside the hollow shaft (6) from top to bottom, a driving assembly (154) is arranged inside the mounting frame (5), and a connector (155) is arranged between the hollow shaft (6) and the tributary pipe (7).
5. The online pH value monitoring device for the middle sulfur-containing sewage according to claim 4, wherein the stirring plate II (152) is vertically arranged, the stirring plate I (151) and the stirring plate III (153) are obliquely arranged, the inclination directions of the stirring plate I (151) and the stirring plate III (153) are opposite, and the stirring plate I (151) and the stirring plate III (153) synchronously rotate to push sewage above and below the sewage tank (1) to the middle part of the sewage tank (1).
6. The on-line pH monitoring device for sulfur-containing wastewater in the middle of claim 5, wherein the driving assembly (154) comprises first pulleys (1541) fixedly connected to the outer parts of the three hollow shafts (6), the number of first pulleys (1541) positioned at the outer parts of the hollow shafts (6) at the two sides is one, the number of first pulleys (1541) positioned at the outer parts of the hollow shafts (6) in the middle is two, and a first transmission belt (1542) is in transmission connection between the two first pulleys (1541) positioned at the outer parts of the hollow shafts (6) at the middle and the first pulleys (1541) at the two sides.
7. The on-line pH monitoring device for sulfur-containing wastewater in the middle of claim 6, wherein the motor (1543) is installed at the top of the installation frame (5), two belt wheels (1544) are fixedly installed at the outer part of the hollow shaft (6) and the outer part of the output shaft of the motor (1543) at the side close to the motor (1543), and a transmission belt two (1545) is in transmission connection between the two belt wheels two (1544).
8. The on-line pH value monitoring device for the middle sulfur-containing sewage according to claim 7, wherein the connector (155) comprises a shell (1551) fixedly connected to the top of the mounting frame (5), a communication cavity (1552) is formed in the shell (1551), a rotary groove (1553) is formed in the bottom of the shell (1551), a convex ring (1554) is fixedly connected to the top of the hollow shaft (6), the convex ring (1554) is rotatably connected with the inner wall of the rotary groove (1553), and a contact surface between the convex ring (1554) and the rotary groove (1553) is hermetically arranged.
9. The on-line pH monitoring device for sulfur-containing wastewater in the middle of claim 8, wherein the hollow shaft (6) and the tributary pipe (7) are both communicated with the communication cavity (1552).
10. An on-line pH monitoring and adjusting system for middle sulfur-containing sewage, which is applied to an on-line pH monitoring device for middle sulfur-containing sewage according to any one of claims 1 to 9, and comprises:
a temporary storage unit for storing a sewage neutralization action pH value threshold value preset by an operator;
the comparison unit is used for receiving the pH value data detected by the first pH sensor (2), the second pH sensor (3) and the third pH sensor (4), comparing the received pH value data with the preset pH value in the temporary storage unit to form a control action signal, and transmitting the control action signal to the control terminal (14);
the control terminal (14) is used for receiving the control action signal transmitted by the comparison unit, controlling the solenoid valve I (9), the solenoid valve II (10) or the solenoid valve III (11) to open and controlling the opening degree of the solenoid valve I (9), the solenoid valve II (10) and the solenoid valve III (11) and controlling the motor 1543 and the water pump 1331 to start, or controlling the solenoid valve I (9), the solenoid valve II (10) or the solenoid valve III (11) to close and controlling the motor 1543 and the water pump 1331 to close.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311422028.XA CN117142618A (en) | 2023-10-31 | 2023-10-31 | Online pH value monitoring device for middle sulfur-containing sewage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311422028.XA CN117142618A (en) | 2023-10-31 | 2023-10-31 | Online pH value monitoring device for middle sulfur-containing sewage |
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| CN117142618A true CN117142618A (en) | 2023-12-01 |
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| CN202311422028.XA Pending CN117142618A (en) | 2023-10-31 | 2023-10-31 | Online pH value monitoring device for middle sulfur-containing sewage |
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