CN217157491U - Water treatment process training device - Google Patents
Water treatment process training device Download PDFInfo
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- CN217157491U CN217157491U CN202221072054.5U CN202221072054U CN217157491U CN 217157491 U CN217157491 U CN 217157491U CN 202221072054 U CN202221072054 U CN 202221072054U CN 217157491 U CN217157491 U CN 217157491U
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- 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
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Abstract
The application relates to the technical field of water treatment, in particular to a water treatment process practical training device. The water treatment process practical training device comprises an installation frame, a treatment assembly, an equipment assembly and a control assembly; the mounting frame comprises a steel framework and a plurality of side plates, the side plates are connected with the steel framework and form an equipment cavity together, and the top of the equipment cavity is open; the raw water tank, the mixing tank, the grid flocculation tank, the inclined tube sedimentation tank, the V-shaped filter tank and the water production tank are all accommodated in the equipment cavity and are communicated with each other through pipelines in sequence; therefore, by the arrangement mode, the raw water tank, the mixing tank, the grid flocculation tank, the inclined tube sedimentation tank, the V-shaped filter tank and the water production tank in the equipment cavity can simulate each flow of the water treatment process; in addition, the setting mode can simulate and show each flow of the water treatment process, so that a student can understand the process principle more deeply.
Description
Technical Field
The application relates to the technical field of water treatment, in particular to a water treatment process practical training device.
Background
At present, the conventional process units for treating tap water mainly comprise mixing, flocculation, sedimentation and filtration, and production operation technicians of a tap water plant are mainly responsible for daily operation management and parameter optimization of the process units and need to have intuitive and deep understanding on process principles, equipment operation and automatic control systems. The cultivation and production practice of new employees in water plants and specialized schools in municipal water supply and drainage engineering is often that the workers directly visit each production structure of the water plant, the actual operation is difficult to carry out, and the operation and running states of a lot of equipment cannot be intuitively demonstrated because the workers are underwater or at the bottom of a pool, so that the understanding of process units and the mastering of theoretical knowledge are greatly limited. The training teaching and assessment tool is also lacking for post training, post assessment and occupational skill identification of production operators.
SUMMERY OF THE UTILITY MODEL
The application provides a treatment process training device to improve the problems.
The utility model discloses it is specifically such:
a water treatment process training device comprises an installation frame, a treatment assembly, an equipment assembly and a control assembly;
the mounting frame comprises a steel framework and a plurality of side plates, the side plates are connected with the steel framework and form an equipment cavity together, and the top of the equipment cavity is open; the treatment component comprises a water inlet pipe, a raw water tank, a mixing tank, a grid flocculation tank, an inclined tube sedimentation tank, a V-shaped filter tank and a water production tank; the raw water tank, the mixing tank, the grid flocculation tank, the inclined tube sedimentation tank, the V-shaped filter tank and the water production tank are all accommodated in the equipment cavity and are communicated with each other through pipelines in sequence; one end of the water inlet pipe is communicated with the raw water tank, and the other end of the water inlet pipe is communicated with an external water container;
the equipment assembly comprises a water taking pump, a first electric valve, a first electromagnetic flowmeter, a liquid level transmitter, a dosing pump, a second electromagnetic flowmeter, a stirrer, a second electric valve, a third electric valve, two online pH meters and two online turbidity meters, wherein the water taking pump, the first electric valve, the first electromagnetic flowmeter, the liquid level transmitter, the dosing pump, the second electromagnetic flowmeter, the stirrer, the second electric valve, the third electric valve, the two online pH meters and the two online turbidity meters are electrically connected with the control assembly; the water taking pump is arranged at one end of the water inlet pipe communicated with the external water container, and the first electric valve and the first electromagnetic flowmeter are both arranged on the water inlet pipe; the liquid level transmitter is arranged in the original water tank; the medicine outlet end of the medicine feeding pump is communicated with a pipeline of the mixing pool, and the second electromagnetic flowmeter is arranged on the pipeline communicated with the medicine feeding pump and the mixing pool; the stirrer is arranged in the mixing tank; the second electric valve is arranged on a pipeline which is communicated with the inclined tube sedimentation tank and the V-shaped filter tank; the third electric valve is arranged on a pipeline communicated with the V-shaped filter tank and the water production tank; two online pH meters and two online turbidimeters are respectively arranged in the raw water tank and the production water tank.
In one embodiment of the present invention, the control assembly includes a controller, a control panel, and a display; the control panel, the display and the equipment assembly are electrically connected with the controller.
In one embodiment of the utility model, the water inlet pipe is provided with a sampling port, a manual ball valve and a filter; along the direction of inlet tube to former water tank, manual ball valve, filter, sample connection, first motorised valve and first electromagnetic flow meter set gradually.
The utility model discloses an in the embodiment, the bottom of former water tank is provided with the blowoff valve, and the side that former water tank deviates from the inlet tube still is provided with delivery port and overflow mouth.
The utility model discloses an in one embodiment, the pipeline setting of intercommunication raw water tank and mixed pond adds the medicine mouth, the play medicine end and the medicine mouth pipeline intercommunication of dosing pump, the second electromagnetic flow meter set up in the pipeline that the intercommunication adds the medicine pump and add the medicine mouth.
In one embodiment of the utility model, a plurality of partition plates are arranged in the grid flocculation tank, and the grid flocculation tank is divided into a plurality of vertically extending grids by the plurality of partition plates;
the practical training device for the water treatment process further comprises a plurality of first suction and discharge pipes, the bottom of each grid is at least communicated with one first suction and discharge pipe, and each first suction and discharge pipe is provided with a first manual quick-opening valve.
In one embodiment of the utility model, a plurality of sludge-accumulating folded plates and a plurality of inclined pipes are arranged in the inclined pipe sedimentation tank, a plurality of sludge-accumulating folded plate groups are positioned at the bottom of the inclined pipe sedimentation tank, and a plurality of inclined pipe groups are positioned above the sludge-accumulating folded plate groups;
the practical training device for the water treatment process further comprises a plurality of second suction and discharge mud pipes, each accumulated mud folded plate is at least communicated with one second suction and discharge mud pipe, and each second suction and discharge mud pipe is provided with a second manual quick-opening valve.
In one embodiment of the utility model, a bearing plate, a filter material layer, a blow-off pipe and a blow-off water collecting tank are arranged in the V-shaped filter tank;
the bearing plate divides the V-shaped filter tank into a filter cavity and a purification cavity, the filter cavity is communicated with the inclined tube sedimentation tank through a pipeline, and the purification cavity is communicated with the water production tank through a pipeline;
the filter material layer and the sewage draining water collecting tank are both arranged in the filter cavity, and the sewage draining water collecting tank is arranged above the filter material layer; one end of the blow-off pipe is communicated with the purification cavity, and the other end of the blow-off pipe is communicated with the blow-off water collecting tank;
the equipment assembly further comprises a fourth electric valve arranged at the communication position of the sewage discharge pipe and the external pipeline.
In an embodiment of the utility model, the water treatment process training device further comprises a back-flushing air pipe, an air pump, a back-flushing water pipe and a back-flushing water pump; one end of the backflushing air pipe is communicated with the purification cavity, and the other end of the backflushing air pipe is positioned outside the V-shaped filter chamber and is communicated with the air pump; one end of the back flush water pipe is communicated with the purification cavity, the other end of the back flush water pipe is communicated with the water production tank, and the back flush water pump is accommodated in the water production tank and is communicated with the back flush water pipe; the back-flushing gas pipe and the back-flushing water pipe are both communicated with the purification cavity;
the equipment assembly further comprises a fifth electric valve arranged on the backwashing air pipe and a sixth electric valve arranged on the backwashing water pipe.
The utility model has the advantages that:
the water treatment process practical training device comprises an installation frame, a treatment assembly, an equipment assembly and a control assembly;
the mounting frame comprises a steel framework and a plurality of side plates, the side plates are connected with the steel framework and form an equipment cavity together, and the top of the equipment cavity is open; the treatment component comprises a water inlet pipe, a raw water tank, a mixing tank, a grid flocculation tank, an inclined tube sedimentation tank, a V-shaped filter tank and a water production tank; the raw water tank, the mixing tank, the grid flocculation tank, the inclined tube sedimentation tank, the V-shaped filter tank and the water production tank are all accommodated in the equipment cavity and are communicated with each other through pipelines in sequence; one end of the water inlet pipe is communicated with the raw water tank, and the other end of the water inlet pipe is communicated with an external water container;
the equipment assembly comprises a water taking pump, a first electric valve, a first electromagnetic flowmeter, a liquid level transmitter, a dosing pump, a second electromagnetic flowmeter, a stirrer, a second electric valve, a third electric valve, two online pH meters and two online turbidity meters, wherein the water taking pump, the first electric valve, the first electromagnetic flowmeter, the liquid level transmitter, the dosing pump, the second electromagnetic flowmeter, the stirrer, the second electric valve, the third electric valve, the two online pH meters and the two online turbidity meters are electrically connected with the control assembly; the water taking pump is arranged at one end of the water inlet pipe communicated with the external water container, and the first electric valve and the first electromagnetic flowmeter are both arranged on the water inlet pipe; the liquid level transmitter is arranged in the original water tank; the medicine outlet end of the medicine feeding pump is communicated with a pipeline of the mixing pool, and the second electromagnetic flowmeter is arranged on the pipeline communicated with the medicine feeding pump and the mixing pool; the stirrer is arranged in the mixing tank; the second electric valve is arranged on a pipeline which is communicated with the inclined tube sedimentation tank and the V-shaped filter tank; the third electric valve is arranged on a pipeline communicated with the V-shaped filter tank and the water production tank; two online pH meters and two online turbidimeters are respectively arranged in the raw water tank and the production water tank.
The water treatment process practical training device comprises an installation frame, a treatment assembly, an equipment assembly and a control assembly, can flexibly run according to the characteristics of water treatment, simulates and displays each flow of the water treatment process, presents various process running modes for a student, and can also operate and demonstrate a single process unit, so that the student can understand the process principle more deeply.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a water treatment process training device provided in the present application;
FIG. 2 is a top view of a mounting frame provided herein;
fig. 3 is a side view of a mounting frame provided herein.
Icon: 200-a water treatment process training device; 210-a mounting frame; 211-steel framework; 212-side plate; 213-equipment chamber; 221-a water inlet pipe; 222-raw water tank; 223-a mixing tank; 224-mesh flocculation tank; 225-inclined tube sedimentation tank; 226-V type filter; 227-producing a water tank; 231-a water taking pump; 232-first electrically operated valve; 233-a first electromagnetic flowmeter; 235-a dosing pump; 236-a second electromagnetic flow meter; 237-a stirrer; 238-second electrically operated valve; 239-third electrically operated valve; 243-sampling port; 244-manual ball valve; 245-a filter; 246-evacuation valve; 247-grid; 248-a first suction and discharge pipe; 249-first manual quick-opening valve; 251-a mud accumulation folded plate; 252-a chute; 253-a second suction dredge pipe; 254-second manual quick-opening valve; 255-a support plate; 256-a filter material layer; 257-a sewage draining pipe; 258-sewage draining and water collecting tank; 259-a filter chamber; 261-a decontamination chamber; 262-a fourth electrically operated valve; 263-back flushing air pipe; 264-an air pump; 265-backwash water pipe; 266-backwash water pump; 267-fifth electrically operated valve; 268-sixth electrically operated valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1 to 3, the embodiment provides a water treatment process training device 200, which includes a mounting frame 210, a treatment component, an equipment component, and a control component;
the mounting frame 210 includes a steel frame 211 and a plurality of side plates 212, the plurality of side plates 212 are connected to the steel frame 211 and together form an equipment chamber 213, and a top of the equipment chamber 213 is open; the treatment component comprises a water inlet pipe 221, a raw water tank 222, a mixing tank 223, a grid flocculation tank 224, an inclined pipe sedimentation tank 225, a V-shaped filter 226 and a water production tank 227; the raw water tank 222, the mixing tank 223, the grid flocculation tank 224, the inclined tube sedimentation tank 225, the V-shaped filter 226 and the water production tank 227 are all accommodated in the equipment cavity 213 and are communicated with each other through pipelines in sequence; one end of the water inlet pipe 221 is communicated with the raw water tank 222, and the other end of the water inlet pipe 221 is communicated with an external water container;
the equipment assembly comprises a water taking pump 231, a first electric valve 232, a first electromagnetic flow meter 233, a liquid level transmitter, a dosing pump 235, a second electromagnetic flow meter 236, a stirrer 237, a second electric valve 238, a third electric valve 239, two online pH meters and two online turbidity meters, which are electrically connected with the control assembly; the water taking pump 231 is arranged at one end of the water inlet pipe 221 communicated with the external water container, and the first electric valve 232 and the first electromagnetic flowmeter 233 are both arranged on the water inlet pipe 221; the liquid level transmitter is arranged in the raw water tank 222; the medicine outlet end of the medicine adding pump 235 is communicated with the pipeline of the mixing pool 223, and the second electromagnetic flow meter 236 is arranged on the pipeline communicated with the medicine adding pump 235 and the mixing pool 223; the agitator 237 is provided in the mixing tank 223; the second electric valve 238 is arranged on a pipeline which communicates the inclined tube sedimentation tank 225 and the V-shaped filter 226; the third electric valve 239 is arranged on a pipeline communicated with the V-shaped filter 226 and the water production tank 227; two online pH meters and two online turbidity meters are respectively disposed in the raw water tank 222 and the product water tank 227.
It should be noted that, in this embodiment, tap water is taken as an example to be provided for the production and operation personnel of the tap water plant to perform post training, operation assessment and professional skill identification. And in the other embodiments of the utility model, this real device 200 of instructing of water treatment process can also be used to the processing of water such as sewage, and this device also can be used to technology research and development simultaneously, carries out the technology regulation and control experiment to the raw water quality of water change of water factory, has the dual function of real standard and experiment.
Wherein, the working speed of the stirrer 237 can be set between 0-36 r/m and can be controlled by the control component, and in addition, a manual rotation control button for controlling the working speed of the stirrer 237 is arranged outside the stirrer 237, so as to set the manual speed according to the requirement. The dosing pump 235 is a pulse dosing pump 235, and the dosing amount is adjustable from 0L to 8L.
In this embodiment, a DN50 pipe may be used as a pipeline for communicating each component; specifically, when the pipeline is arranged, the water inlet pipe 221 is used for feeding water from the side surface of the raw water tank 222; the grid flocculation tank 224 is used for feeding water from one side and discharging water from the opposite side, and the water flow turns back and flows out from top to bottom in sequence from left to right; the inclined tube sedimentation tank 225 feeds water from one side and discharges water from the opposite side; the V-shaped filter 226 is used for water inlet from one side and water outlet from the opposite side; the water generating tank 227 is fed with water from the side, and a water outlet is arranged above the opposite side. The steel frame 211 of the mounting frame 210 is a stainless steel frame, one of the side plates 212 is high-strength explosion-proof glass, the other side plates 212 are stainless steel plates, and the top of the equipment cavity 213 is open for observation; the glass and the stainless steel can be connected in a bonding mode, and the stainless steel is connected in a welding mode.
The working principle of the water treatment process practical training device 200 is as follows:
referring to fig. 1-3, the practical training device 200 for water treatment process includes a mounting frame 210, a treatment component, an equipment component and a control component; the mounting frame 210 comprises a steel framework 211 and a plurality of side plates 212, the side plates 212 are connected with the steel framework 211 and jointly form an equipment cavity 213, and the top of the equipment cavity 213 is open; the raw water tank 222, the mixing tank 223, the grid flocculation tank 224, the inclined tube sedimentation tank 225, the V-shaped filter 226 and the water production tank 227 are all accommodated in the equipment cavity 213 and are communicated with each other through pipelines in sequence; therefore, the raw water tank 222, the mixing tank 223, the grid flocculation tank 224, the inclined tube sedimentation tank 225, the V-shaped filter 226 and the water production tank 227 in the equipment cavity 213 can simulate various processes of a water treatment process by the arrangement mode;
when the water treatment process practical training device 200 is used for displaying the operation of the water treatment process, the following operations are sequentially carried out, the protection liquid level value of the raw water tank 222 is set through the control assembly, the set value is recommended to be 0.95m, and the first electric valve 232 is determined to be in an open state; the water inlet flow is adjustable between 0 and 3m3/h, and a manual mode or an automatic mode can be adopted, wherein the manual mode is that the opening degree of the first electric valve 232 is given by 0 to 100 percent, and the automatic mode is that the flow is given to be adjusted; the stirrer 237 is manually started, the dosing pump 235 is manually started, the dosing flow is adjusted on site within the range of 0-8L/h, and the second electromagnetic flow meter 236 displays the instantaneous flow and the accumulated flow; the second electric valve 238 and the third electric valve 239 are opened through the control component; setting a constant liquid level control value of the V-shaped filter 226, wherein the constant liquid level control value is divided into a manual mode and an automatic mode, the opening of a given valve is 0-100% in the manual mode, and the liquid level value is adjustable at 0.5-0.75m in the automatic mode;
in addition, by the arrangement mode, all processes of the water treatment process, including mixing, flocculation, sedimentation and filtration, can be simulated and displayed, the water treatment process practical training device 200 can flexibly run according to the characteristics of the water treatment process, various process running modes can be presented to a student, and a single process unit can be operated and demonstrated, so that the student can understand the process principle more deeply.
Further, referring to fig. 1-3, in the present embodiment, when the water inlet pipe 221 is disposed, the water inlet pipe 221 is disposed with a sampling port 243, a manual ball valve 244 and a filter 245; the manual ball valve 244, the filter 245, the sampling port 243, the first electric valve 232 and the first electromagnetic flowmeter 233 are sequentially arranged along the direction from the water inlet pipe 221 to the raw water tank 222. Wherein, the first electromagnetic flow is installed in front of the raw water tank 222 for measuring the inflow of the raw water tank 222, and the liquid level transmitter is installed in the raw water tank 222 for monitoring the water level of the raw water tank 222, thereby playing roles of water level protection and inflow control. The filter 245 is a Y-shaped filter 245 made of stainless steel, and is mainly used for filtering larger impurities and protecting the first electromagnetic flowmeter 233.
When the raw water tank 222 is disposed, the bottom of the raw water tank 222 is provided with an emptying valve 246, and the side of the raw water tank 222 away from the water inlet pipe 221 is further provided with a water outlet and an overflow port. The pipeline communicating the raw water tank 222 and the mixing tank 223 is provided with a dosing port, the medicine outlet end of the dosing pump 235 is communicated with the dosing port pipeline, and the second electromagnetic flow meter 236 is arranged on the pipeline communicating the dosing pump 235 and the dosing port.
It should be noted that a plurality of dosing ports may be disposed on the pipeline connecting the raw water tank 222 and the mixing tank 223, and it is suitable that each dosing port is connected to a dosing pump 235 through a pipeline, and each dosing pump 235 is independent to each other for respectively or simultaneously dosing different drugs.
Referring to fig. 1-3, when the mesh flocculation tank 224 is disposed, a plurality of partition plates are disposed in the mesh flocculation tank 224, and the partition plates divide the mesh flocculation tank 224 into a plurality of vertically extending meshes 247; the practical training device 200 for the water treatment process further comprises a plurality of first suction and discharge pipes 248, the bottom of each grid 247 is communicated with at least one first suction and discharge pipe 248, and each first suction and discharge pipe 248 is provided with a first manual quick-opening valve 249. Specifically, in this embodiment, 16 groups of grids 247 are arranged inside the grid flocculation tank 224, the partition plate is made of 316 stainless steel, 8 groups of first sludge suction and discharge pipes 248 are arranged at the bottom, each two groups of grids 247 share one group of first sludge suction and discharge pipes 248, and the bottom sludge can be quickly discharged through a first manual quick-opening valve 249 arranged outside.
Referring to fig. 1-3, when the inclined tube settling tank 225 is installed, a plurality of mud accumulating folded plates 251 and a plurality of inclined tubes 252 are installed in the inclined tube settling tank 225, the plurality of mud accumulating folded plates 251 are located at the bottom of the inclined tube settling tank 225, and the plurality of inclined tubes 252 are located above the plurality of mud accumulating folded plates 251; the practical training device 200 for the water treatment process further comprises a plurality of second sludge suction and discharge pipes 253, each sludge accumulation folded plate 251 is at least communicated with one second sludge suction and discharge pipe 253, and each second sludge suction and discharge pipe 253 is provided with a second manual quick-opening valve 254. Specifically, in this embodiment, 4 sets of sludge-accumulating folded plates 251 are disposed at the bottom of the inclined-tube settling tank 225, the sludge-accumulating folded plates 251 are made of 316 stainless steel, each set of folded plates is connected to one second sludge suction-discharge pipe 253, and the bottom sludge can be rapidly discharged through the second manual quick-opening valve 254 disposed outside. The diameter of the inclined tube 252 may be 30 mm, the inclined tube 252 may be made of PE, and a shallow pool effect may be formed in the inclined tube sedimentation tank 225 by the arrangement of the inclined tube 252, so that sludge sedimentation is accelerated.
Referring to fig. 1-3, when the V-shaped filter 226 is installed, the filter filtration realizes constant liquid level filtration adjustment, and the liquid level adjustment range is between 0.5 m and 0.7 m. A bearing plate 255, a filter material layer 256, a sewage discharge pipe 257 and a sewage discharge water collecting tank 258 are arranged in the V-shaped filter 226; the V-shaped filter 226 is divided into a filter cavity 259 and a purification cavity 261 by the supporting plate 255, the filter cavity 259 is communicated with the inclined tube sedimentation tank 225 through a pipeline, and the purification cavity 261 is communicated with the water production tank 227 through a pipeline; the filter material layer 256 and the sewage collection tank 258 are both accommodated in the filter cavity 259, the sewage collection tank 258 is arranged above the filter material layer 256, and the sewage collection tank 258 is used for discharging sewage in the purification cavity 261; one end of the drain tube 257 is communicated with the purification cavity 261, and the other end of the drain tube 257 is communicated with the drain water collecting tank 258; the apparatus assembly further comprises a fourth electrically operated valve 262 arranged at the place where the sewage pipe 257 is communicated with the external pipe. When the filter material layer 256 is arranged, the filter material layer 256 is a quartz sand filter material with the thickness of 70 cm and the particle size of 0.8-1.2 mm.
Further, referring to fig. 1-3, in the embodiment, the practical training device 200 for a water treatment process further includes a back-flushing air pipe 263, an air pump 264, a back-flushing water pipe 265 and a back-flushing water pump 266; one end of the back flushing air pipe 263 is communicated with the purification cavity 261, and the other end of the back flushing air pipe 263 is positioned outside the V-shaped filter 226 and is communicated with the air pump 264; one end of a back flush water pipe 265 is communicated with the purification cavity 261, the other end of the back flush water pipe 265 is communicated with the water production tank 227, and a back flush water pump 266 is accommodated in the water production tank 227 and is communicated with the back flush water pipe 265; the back flush gas pipe 263 and the back flush water pipe 265 are both communicated with the purification cavity 261; the apparatus assembly further comprises a fifth electric valve 267 arranged in the backwash gas pipe 263 and a sixth electric valve 268 arranged in the backwash water pipe 265. It should be noted that the short-handle filter heads are connected to the end of the back flush air pipe 263 and the end of the back flush water pipe 265 which are communicated with the purification cavity 261.
Wherein, the air pump 264 is a small Roots blower with the air volume of 60m3/h and the power of 2.2kWh, and the back washing water pump 266 is a stainless steel pump with the flow of 20m/h, the lift of 15 m and the power of 2.2 kWh.
In this embodiment, the control assembly includes a controller, a control panel and a display; the control panel, the display and the equipment assembly are electrically connected with the controller. The control mode may be analog quantity control. The controller can adopt a controller or a single chip microcomputer and the like in the prior art, is used for receiving signals output by the first electromagnetic flow meter 233, the liquid level transmitter, the second electromagnetic flow meter 236, the two online pH meters and the two online turbidity meters, controlling the water taking pump 231, the first electric valve 232, the dosing pump 235, the stirrer 237, the second electric valve 238, the third electric valve 239, the fourth electric valve 262, the fifth electric valve 267 and the sixth electric valve 268, and simultaneously outputting the state and control information of the water treatment process practical training device 200 to the display; and the control panel is used for a user to output a control instruction to the controller so as to control the running state of the water treatment process practical training device 200.
Referring to fig. 1 to fig. 3, in the operation process of the practical training device 200 for water treatment process, a given liquid level of the raw water tank 222 can be set by the controller, that is, the on-off of the first electric valve 232 and the working state of the water pump 231 can be automatically controlled according to signals of the first electromagnetic flowmeter 233 and the liquid level transmitter. Similarly, the amount of the chemical to be added can be set by the controller, that is, the operating state of the dosing pump 235 can be automatically controlled according to the signal of the second electromagnetic flow meter 236.
Specifically, referring to fig. 1-3, the water inlet working steps of the practical training device 200 for water treatment process are as follows:
the controller controls the first electric valve 232, the second electric valve 238 and the third electric valve 239 to be in a conducting state, and controls the fourth electric valve 262, the fifth electric valve 267 and the sixth electric valve 268 to be in a disconnecting state;
the controller controls the water taking pump 231 to work, receives a water inlet signal which is output by the first electromagnetic flowmeter 233 and represents water inlet amount, receives a liquid level signal which is output by the liquid level transmitter and represents the liquid level of the raw water tank 222, receives a first pH signal which is output by the online pH meter in the raw water tank 222 and represents the pH value in the raw water tank 222 and a first turbidity signal which is output by the online turbidity meter and represents the turbidity of water in the raw water tank 222;
when the controller judges that the pH value in the raw water tank 222 is abnormal or the turbidity of water in the raw water tank 222 is abnormal, an abnormal signal is sent out and is displayed by a display or an alarm is given out;
when the controller determines that the water level or the water amount in the raw water tank 222 reaches a set value, the controller controls the water taking pump 231 to stop working, and controls the first electric valve 232 to be disconnected;
after the mixing tank 223 starts to feed water, the controller controls the dosing pump 235 to work, receives a dosing signal which is output by the second electromagnetic flow meter 236 and represents the dosing amount, and controls the stirrer 237 to work;
when the controller judges that the dosing amount reaches a set value, the controller controls the dosing pump 235 to stop working;
after the water production tank 227 starts to feed water, the controller receives a second pH signal which is output by an online pH meter in the water production tank 227 and is used for representing the pH value in the water production tank 227 and a second turbidity signal which is output by a linear turbidity meter and is used for representing the turbidity of the water in the water production tank 227;
when the controller judges that the pH value in the water production tank 227 is abnormal or the turbidity of water in the water production tank 227 is abnormal, an abnormal signal is sent out and is displayed by a display or an alarm is given out;
referring to fig. 1-3, in practical training of the filtering and backwashing operation of the V-shaped filter 226, the following operations are performed, and the backwashing of the V-shaped filter 226 may adopt two modes of manual backwashing and automatic backwashing. The manual backwashing method comprises the following steps: in the normal operation state, the second electric valve 238 and the third electric valve 239 are sequentially closed, the fourth electric valve 262 is opened, and the fifth electric valve 267 or the sixth electric valve 268 is opened according to the flushing step. The automatic backwashing includes air washing and water washing modes, specifically, after a user inputs a corresponding control command through a control panel, the air washing steps of the water treatment process practical training device 200 are as follows:
the controller controls the first electric valve 232, the second electric valve 238, the third electric valve 239, the fourth electric valve 262 and the sixth electric valve 268 to be in a disconnected state, controls the fifth electric valve 267 to be in a connected state, and controls the air pump 264 to work for a first preset time;
after the air pump 264 works for the first preset time, the controller controls the air pump 264 to stop working, controls the fifth electric valve 267 to be in a blocking state, and controls the first electric valve 232, the second electric valve 238 and the third electric valve 239 to be in a conducting state;
the water washing steps of the water treatment process training device 200 are as follows:
the controller controls the first electric valve 232, the second electric valve 238, the third electric valve 239 and the fifth electric valve 267 to be in an open state; the controller controls the fourth electric valve 262 and the sixth electric valve 268 to be in a conducting state; controlling the backwash water pump 266 to operate for a second preset duration;
after the backwashing water pump 266 works for a second preset time, the controller controls the fourth electric valve 262 and the sixth electric valve 268 to be in a blocking state; the controller controls the first electric valve 232, the second electric valve 238 and the third electric valve 239 to be in a conducting state.
In summary, the practical training device 200 for water treatment process can complete the practical training contents:
1. displaying a water treatment process flow;
2. demonstrating the internal structure and the operation principle of the process unit;
3. simulation operation and flocculation process demonstration of key factors (mixing speed gradient, stirring time, dosage and flocculating agent type) in the coagulation process;
4. observing the sedimentation process of the sedimentation tank and discharging sludge;
5. the whole process of filtering and back flushing of the filter tank is operated;
6. simulating water sampling operation;
7. control programming and automatic control;
8. and (4) using and maintaining an online detection instrument.
The practical training device 200 for the water treatment process is characterized in that: the water treatment process training device 200 is composed of a plurality of process units, can be flexibly operated and adjusted according to tap water treatment characteristics, presents multiple process operation modes for students, and can also be used for operating and demonstrating a single process unit, so that the students can understand the process principle more deeply. In the aspect of showing forms, the front surface of the water treatment process practical training device 200 is made of high-strength explosion-proof glass, and other surfaces are made of stainless steel materials, so that a student can clearly see the hydraulic flow state, the flocculation reaction state, the filter material layer 256 composition, the back washing form and the like, the teaching device has more visual perception on book theoretical knowledge, and the firmness and the cleanness degree of the device can be guaranteed. Meanwhile, the water treatment process practical training device 200 can also be used for process research and development, can be used for carrying out a process regulation and control test aiming at the water quality change of raw water in a water plant, and has the double functions of practical training and testing.
Based on the above, referring to fig. 1 to fig. 3, the present embodiment further provides a water treatment process control method, which adopts the practical training apparatus 200 for water treatment process, including:
the water inlet state: controlling the first electric valve 232, the second electric valve 238 and the third electric valve 239 to be in a conducting state, and controlling the fourth electric valve 262, the fifth electric valve 267 and the sixth electric valve 268 to be in a disconnecting state;
controlling the water pump 231 to work, receiving a water inlet signal which is output by the first electromagnetic flowmeter 233 and represents the water inlet amount, receiving a liquid level signal which is output by the liquid level transmitter and represents the liquid level of the raw water tank 222, receiving a first pH signal which is output by the on-line pH meter in the raw water tank 222 and represents the pH value in the raw water tank 222 and a first turbidity signal which is output by the on-line turbidity meter and represents the turbidity of water in the raw water tank 222;
after the mixing tank 223 starts to feed water, the dosing pump 235 is controlled to work, a dosing signal which is output by the second electromagnetic flow meter 236 and represents the dosing amount is received, and the stirrer 237 is controlled to work;
after the water production tank 227 starts to feed water, receiving a second pH signal which is output by an online pH meter in the water production tank 227 and is used for representing the pH value in the water production tank 227 and a second turbidity signal which is output by a linear turbidity meter and is used for representing the turbidity of the water in the water production tank 227;
and (3) air flushing state: controlling the first electric valve 232, the second electric valve 238, the third electric valve 239, the fourth electric valve 262 and the sixth electric valve 268 to be in a disconnected state, controlling the fifth electric valve 267 to be in a connected state, and controlling the air pump 264 to work for a first preset time;
after the air pump 264 works for the first preset time period, controlling the air pump 264 to stop working, controlling the fifth electric valve 267 to be in a blocked state, and controlling the first electric valve 232, the second electric valve 238 and the third electric valve 239 to be in a conducted state;
water flushing state: controlling the first electric valve 232, the second electric valve 238, the third electric valve 239 and the fifth electric valve 267 to be in an open state; controlling the fourth electric valve 262 and the sixth electric valve 268 to be in a conducting state; controlling the backwash water pump 266 to operate for a second preset duration;
after the backwashing water pump 266 works for a second preset time period, controlling the fourth electric valve 262 and the sixth electric valve 268 to be in a blocking state; the first electric valve 232, the second electric valve 238 and the third electric valve 239 are controlled to be in a conducting state.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. A water treatment process training device is characterized in that:
the water treatment process practical training device comprises an installation frame, a treatment assembly, an equipment assembly and a control assembly;
the mounting frame comprises a steel framework and a plurality of side plates, the side plates are connected with the steel framework and jointly form an equipment cavity, and the top of the equipment cavity is open; the treatment component comprises a water inlet pipe, a raw water tank, a mixing tank, a grid flocculation tank, an inclined tube sedimentation tank, a V-shaped filter tank and a water production tank; the raw water tank, the mixing tank, the grid flocculation tank, the inclined tube sedimentation tank, the V-shaped filter tank and the water production tank are all accommodated in the equipment cavity and are communicated with each other through pipelines in sequence; one end of the water inlet pipe is communicated with the raw water tank, and the other end of the water inlet pipe is communicated with an external water container;
the equipment assembly comprises a water taking pump, a first electric valve, a first electromagnetic flowmeter, a liquid level transmitter, a dosing pump, a second electromagnetic flowmeter, a stirrer, a second electric valve, a third electric valve, two online pH meters and two online turbidity meters, wherein the water taking pump, the first electric valve, the first electromagnetic flowmeter, the liquid level transmitter, the dosing pump, the second electromagnetic flowmeter, the stirrer, the second electric valve, the third electric valve, the two online pH meters and the two online turbidity meters are electrically connected with the control assembly; the water taking pump is arranged at one end of the water inlet pipe communicated with an external water container, and the first electric valve and the first electromagnetic flowmeter are both arranged on the water inlet pipe; the liquid level transmitter is arranged in the raw water tank; the medicine outlet end of the medicine feeding pump is communicated with the mixing tank pipeline, and the second electromagnetic flowmeter is arranged on the pipeline communicated with the medicine feeding pump and the mixing tank; the stirrer is arranged in the mixing tank; the second electric valve is arranged on a pipeline which is communicated with the inclined tube sedimentation tank and the V-shaped filter tank; the third electric valve is arranged on a pipeline which is communicated with the V-shaped filter tank and the water production tank; the two online pH meters and the two online turbidimeters are respectively arranged in the raw water tank and the production water tank.
2. The water treatment process training device according to claim 1, characterized in that:
the control assembly comprises a controller, a control panel and a display; the control panel, the display and the equipment assembly are electrically connected with the controller.
3. The water treatment process training device according to claim 1, characterized in that:
the water inlet pipe is provided with a sampling port, a manual ball valve and a filter; along the direction of inlet tube to former water tank, manual ball valve, filter, sample connection, first motorised valve and first electromagnetic flow meter set gradually.
4. The water treatment process training device according to claim 1, characterized in that:
the bottom of the raw water tank is provided with an emptying valve, and the side of the raw water tank, which deviates from the water inlet pipe, is also provided with a water outlet and an overflow port.
5. The water treatment process training device according to claim 1, characterized in that:
the intercommunication raw water tank reaches the pipeline setting of mixing tank adds the medicine mouth, add the medicine pump go out the medicine end with add medicine mouth pipeline intercommunication, the second electromagnetic flowmeter sets up in the intercommunication add the medicine pump reach the pipeline of adding the medicine mouth.
6. The water treatment process training device according to claim 1, characterized in that:
a plurality of partition plates are arranged in the grid flocculation tank, and divide the grid flocculation tank into a plurality of vertically extending grids;
the practical training device for the water treatment process further comprises a plurality of first suction and discharge pipes, wherein the bottom of each grid is at least communicated with one first suction and discharge pipe, and each first suction and discharge pipe is provided with a first manual quick-opening valve.
7. The water treatment process training device according to claim 1, characterized in that:
a plurality of sludge accumulation folded plates and a plurality of inclined pipes are arranged in the inclined pipe sedimentation tank, the plurality of sludge accumulation folded plate groups are positioned at the bottom of the inclined pipe sedimentation tank, and the plurality of inclined pipe groups are positioned above the sludge accumulation folded plate groups;
the practical training device for the water treatment process further comprises a plurality of second suction and discharge mud pipes, each mud accumulation folded plate is at least communicated with one of the second suction and discharge mud pipes, and each second suction and discharge mud pipe is provided with a second manual quick-opening valve.
8. The water treatment process training device according to claim 1, characterized in that:
a bearing plate, a filter material layer, a blow-off pipe and a blow-off water collecting tank are arranged in the V-shaped filter tank;
the bearing plate divides the V-shaped filter tank into a filter cavity and a purification cavity, the filter cavity is communicated with the inclined tube sedimentation tank through a pipeline, and the purification cavity is communicated with the water production tank through a pipeline;
the filter material layer and the sewage draining water collecting tank are both accommodated in the filter cavity, and the sewage draining water collecting tank is arranged above the filter material layer; one end of the sewage discharge pipe is communicated with the purification cavity, and the other end of the sewage discharge pipe is communicated with the sewage discharge water collecting tank;
the equipment assembly further comprises a fourth electric valve arranged at the communication position of the sewage discharge pipe and the external pipeline.
9. The water treatment process training device according to claim 8, wherein:
the water treatment process training device also comprises a backwashing air pipe, an air pump, a backwashing water pipe and a backwashing water pump; one end of the backflushing gas pipe is communicated with the purification cavity, and the other end of the backflushing gas pipe is positioned outside the V-shaped filter and is communicated with the air pump; one end of the back flush water pipe is communicated with the purification cavity, the other end of the back flush water pipe is communicated with the water production tank, and the back flush water pump is accommodated in the water production tank and is communicated with the back flush water pipe; the back flushing gas pipe and the back flushing water pipe are both communicated with the purification cavity;
the equipment assembly further comprises a fifth electric valve arranged on the backwashing gas pipe and a sixth electric valve arranged on the backwashing water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221072054.5U CN217157491U (en) | 2022-05-06 | 2022-05-06 | Water treatment process training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221072054.5U CN217157491U (en) | 2022-05-06 | 2022-05-06 | Water treatment process training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217157491U true CN217157491U (en) | 2022-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221072054.5U Active CN217157491U (en) | 2022-05-06 | 2022-05-06 | Water treatment process training device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217157491U (en) |
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2022
- 2022-05-06 CN CN202221072054.5U patent/CN217157491U/en active Active
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