Water treatment facilities based on dull and stereotyped membrane of pottery
Technical Field
The utility model belongs to the technical field of ceramic membranes, and particularly relates to a water treatment device based on a ceramic flat membrane.
Background
In order to meet the increasingly strict emission standard, advanced treatment of water in urban water treatment plants is imperative, quasi-IV water standards are even proposed in some places, the conventional secondary water treatment process is difficult to meet the requirements, in addition, the drinking water source water is polluted to different degrees due to the influence of human activities, the water treated by the conventional water purification process is difficult to reach the conventional water quality standard, and the water quality has safety risks.
The existing water treatment device needs to be assembled on site, and whether all the joints are well connected after the assembly is tested, so that the water treatment device cannot be put into use quickly and is inconvenient to move. In addition, under certain water quality conditions, coagulation reaction is not needed, but the existing water treatment device generally enters a coagulation tank for reaction and then enters a ceramic membrane tank for filtration, so that the water purification step cannot be flexibly adjusted according to the water quality conditions.
Disclosure of utility model
Aiming at the problems, the utility model provides the water treatment device based on the ceramic flat membrane, which adopts a container type structure, is simple and convenient to install, does not need on-site assembly, can be immediately put into use, is convenient to move and transport, has strong environmental adaptability, and can adapt to water treatment under different water quality conditions.
The utility model provides a water treatment device based on a ceramic flat membrane, which is characterized by comprising a container body, a first equipment room, a coagulation pool, a ceramic membrane pool and a clean water pool, wherein the first equipment room, the coagulation pool, the ceramic membrane pool and the clean water pool are arranged in the container body, a water inlet mechanism is arranged in the first equipment room and is connected with the coagulation pool and the ceramic membrane pool, the coagulation pool is connected with the ceramic membrane pool, a ceramic flat membrane component is arranged in the ceramic membrane pool and is connected with the clean water pool, and the clean water pool is connected with the ceramic membrane pool through a backwashing mechanism.
In some embodiments of the utility model, the water inlet mechanism comprises a water inlet pump and a water inlet pipeline, and a water inlet valve is arranged on the water inlet pipeline. Preferably, the water inlet pipeline is provided with a first three-way pipe fitting, the water inlet valve comprises a three-way valve matched with the first three-way pipe fitting, one opening of the first three-way pipe fitting is used for water inlet, the other two openings are used for water outlet, one of the openings for water outlet is connected with the coagulation pond, the other opening for water outlet is connected with the ceramic membrane pond, and the first three-way valve can control the on-off of the two water outlet openings, namely control the water flow direction to the coagulation pond or the ceramic membrane pond.
In some embodiments of the utility model, an ozone generator and a coagulation dosing barrel connected with the water inlet mechanism are further arranged in the first equipment chamber. Preferably, the ozone generator adopts an oxygen source integrated machine, and an oxygen generator is arranged in the ozone generator, so that the concentration of ozone is higher, the treatment effect is better, the ozone can catalyze and oxidize macromolecular organic matters, meanwhile, the pollution of a film can be reduced, the coagulation dosing barrel comprises a PAC dosing barrel, and solid suspended matters (SS), phosphorus and the like in water can be removed through coagulation reaction.
In some embodiments of the utility model, the water inlet mechanism is provided with a venturi tube and a first pipeline mixer, an outlet of the venturi tube is connected with an inlet of the first pipeline mixer, the ozone generator is connected with the venturi tube, and the coagulation dosing barrel is connected with the first pipeline mixer. Ozone generated by an ozone generator is introduced into a water inlet pipeline through a venturi tube to realize gas-liquid mixing, a coagulant in a coagulation dosing barrel is introduced into the water inlet pipeline through a first pipeline mixer, so that water and the coagulant are fully mixed, and meanwhile, the first pipeline mixer is arranged at the downstream of the venturi tube, so that the phenomenon of gas blockage generated when the venturi tube is used for gas-liquid mixing can be avoided.
In some embodiments of the utility model, a stirring mechanism is arranged in the coagulation tank. The coagulant and the water can fully react through the stirring mechanism, and impurities are efficiently adsorbed and settled.
In some embodiments of the utility model, the coagulation tank is provided with an overflow port, and the coagulation tank is communicated with the ceramic membrane tank through the overflow port. After the water flowing into the coagulation pool from the water inlet mechanism is subjected to coagulation reaction, the water can flow into the ceramic membrane pool through the overflow port.
In some embodiments of the utility model, the ceramic flat membrane assembly is connected with the clean water tank through a connecting mechanism, the connecting mechanism comprises a water producing pump and a connecting pipeline, one end of the connecting pipeline is connected with the ceramic flat membrane assembly, the other end of the connecting pipeline is connected with the clean water tank, and the connecting pipeline is also connected with a water outlet pipeline. The water filtered by the ceramic flat membrane component can flow into a clean water tank through a connecting mechanism, the clean water tank can store water, meanwhile, the water in the clean water tank can be used for backwashing and the like, and a water outlet pipeline can guide the treated water out of the water treatment device.
In some embodiments of the utility model, an ultraviolet disinfection lamp is further arranged on the connecting pipeline. The ultraviolet sterilization and disinfection are carried out without adding disinfectant.
In some embodiments of the utility model, a second equipment room is further arranged in the container body, the ceramic membrane tank is positioned between the coagulation tank and the clean water tank, the ceramic membrane tank and the coagulation tank are adjacent to the first equipment room, and the ceramic membrane tank and the clean water tank are adjacent to the second equipment room. Through reasonable regional division and layout, the connection between each structure in the container and the utilization of the internal space of the container are facilitated.
In some embodiments of the utility model, a membrane drug washing mechanism is arranged in the second equipment chamber, and the membrane drug washing mechanism is connected with the backwashing mechanism. Preferably, the backwashing mechanism comprises a backwashing pump and a backwashing pipeline, one end of the backwashing pipeline is connected with the clean water tank, the other end of the backwashing pipeline is connected with the ceramic flat membrane module, the membrane medicine washing mechanism comprises a membrane medicine washing adding barrel and a medicine adding pipeline, one end of the medicine adding pipeline is connected with the medicine adding barrel, and the other end of the medicine adding pipeline is connected with the backwashing pipeline. During backwashing, the reagent in the membrane washing dosing barrel is introduced into water in a backwashing pipeline, so that the backwashing effect is better and cleaner.
In some embodiments of the utility model, an aeration mechanism is disposed within the second equipment chamber, the aeration mechanism being coupled to the ceramic flat membrane module. The aeration mechanism comprises an aeration fan and an aeration pipeline.
In some embodiments of the utility model, a control cabinet is disposed in the second equipment room.
Compared with the prior art, the utility model has the advantages that the container type structure is adopted, the on-site assembly is not needed, the movement and the transportation are convenient, the environment adaptability is strong, the water inlet mechanism is connected with the coagulation tank and the ceramic membrane tank, and in actual use, water can be selectively guided into the coagulation tank for coagulation reaction and then flows into the ceramic membrane tank or is directly guided into the ceramic membrane tank for filtration according to the water quality condition.
Drawings
FIG. 1 is a plan view showing the arrangement of the areas in a container body of a water treatment apparatus according to embodiment 1 of the present utility model;
FIG. 2 is a cross-sectional view taken along the direction AA in FIG. 1;
fig. 3 is a schematic diagram showing the connection relationship between the structures in the container body of a water treatment device according to embodiment 1 of the present utility model.
1-First equipment room, 11-water inlet mechanism, 110-water inlet pipeline, 111-water inlet pump, 112-venturi tube, 113-first pipeline mixer, 114-first check valve, 115-first three-way valve, 12-ozone generator, 13-coagulation dosing bucket, 2-coagulation tank, 20-overflow port, 3-ceramic membrane tank, 31-ceramic flat membrane module, 32-blowdown pipeline, 33-blowdown valve, 4-clean water tank, 5-second equipment room, 50-control cabinet, 51-connecting mechanism, 510-connecting pipeline, 511-water producing pump, 512-second check valve, 513-ultraviolet sterilizing lamp, 514-second three-way valve, 515-water outlet pipeline, 52-backwash mechanism, 520-backwash pipeline, 521-backwash pump, 522-third check valve, 523-second pipeline mixer, 53-membrane drug washing mechanism, 530-dosing pipeline, 531-membrane drug washing dosing bucket, 532-one-way valve, 54-aeration mechanism, 9-container body.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1-3, the embodiment provides a water treatment device based on a ceramic flat membrane, which comprises a container body 9, a first equipment room 1, a coagulation tank 2, a ceramic membrane tank 3, a clean water tank 4 and a second equipment room 5 which are arranged in the container body 9.
The ceramic membrane tank 3 is positioned between the coagulation tank 2 and the clean water tank 4, the ceramic membrane tank 3 and the coagulation tank 2 are adjacent to the first equipment room 1, and the ceramic membrane tank 3 and the clean water tank 4 are adjacent to the second equipment room 5. The specific connection of the structures in the container body 9 is shown in fig. 3, and the direction of the arrows in fig. 3 indicate the flow direction of the fluid.
A water inlet mechanism 11 is arranged in the first equipment room 1, and the water inlet mechanism 11 is connected with the coagulation tank 2 and the ceramic membrane tank 3. Specifically, the water inlet mechanism 11 includes a water inlet pump 111 and a water inlet pipe 110, and a water inlet valve is disposed on the water inlet pipe 110. In this embodiment, as a preferred solution, the water inlet pipe 110 is provided with a first three-way pipe, the water inlet valve includes a first three-way valve 115 corresponding to the first three-way pipe, one opening of the first three-way pipe is used for water inlet, two other openings are used for water outlet, one opening for water outlet is connected with the coagulation tank 2, the other opening for water outlet is connected with the ceramic membrane tank 3, and the first three-way valve 115 can control on-off of the two water outlet openings, that is, control water flow to the coagulation tank 2 or to the ceramic membrane tank 3. In this embodiment, as a preferred solution, the first equipment room 1 is further provided with an ozone generator 12 and a coagulation dosing barrel 13 connected to the water inlet mechanism 11, a venturi tube 112 and a first pipe mixer 113 are disposed on a water inlet pipe 110 of the water inlet mechanism 11, the ozone generator 12 is connected to the venturi tube 112, the coagulation dosing barrel 13 is connected to the first pipe mixer 113, and the coagulation dosing barrel 13 is configured with a corresponding PAC dosing pump (not shown in the figure). The outlet of the venturi tube 112 is connected with the inlet of the first pipe mixer 113, and a first check valve 114 is further arranged between the venturi tube and the first pipe mixer 113 to prevent the liquid from reversely flowing into the venturi tube 112 from the first pipe mixer 113.
The coagulation tank 2 is connected with the ceramic membrane tank 3. An overflow port 20 is arranged on the coagulation tank 2, and the coagulation tank 2 is communicated with the ceramic membrane tank 3 through the overflow port 20. In this embodiment, as a preferable solution, a stirring mechanism (not shown in the drawing) is disposed in the coagulation tank 2, and the stirring mechanism is configured with a corresponding stirring motor (not shown in the drawing) so as to better remove impurities.
The ceramic membrane tank 3 is internally provided with a ceramic flat membrane module 31, and the ceramic flat membrane module 31 is connected with the clean water tank 4. Specifically, the ceramic flat membrane module 31 is connected with the clean water tank 4 through the connection mechanism 51, the connection mechanism 51 comprises a water producing pump 511 and a connection pipeline 510, one end of the connection pipeline 510 is connected with the ceramic flat membrane module 31, the other end of the connection pipeline 510 is connected with the clean water tank 4, and the connection pipeline 510 is provided with a second check valve 512 to prevent liquid from reversely flowing into the ceramic flat membrane module 31. The connecting pipe 510 is further connected with a water outlet pipe 515, the water outlet pipe 515 can guide the treated water out of the water treatment device, specifically, the connecting pipe 510 is connected with the water outlet pipe 515 through a second three-way pipe fitting, a second three-way valve 514 is arranged on the second three-way pipe fitting, and the water can be controlled to flow to the clean water tank 4 through the second three-way valve 514 or flow to the outside of the water treatment device through a water outlet pipe. In this embodiment, as a preferred solution, the connecting pipe 510 is further provided with an ultraviolet disinfection lamp 513 for performing ultraviolet disinfection.
The clean water tank 4 is connected with the ceramic membrane tank 3 through a backwashing mechanism 52, the backwashing mechanism 52 comprises a backwashing pump 521 and a backwashing pipeline 520, one end of the backwashing pipeline 520 is connected with the clean water tank 4, the other end of the backwashing pipeline 520 is connected with the ceramic flat membrane assembly 31, and a third check valve 522 is arranged on the backwashing pipeline 520 to prevent liquid from reversely flowing into the clean water tank 4. In this embodiment, as a preferable scheme, an aeration mechanism 54 is further disposed in the second equipment room 5, where the aeration mechanism 54 includes an aeration fan and an air pipe, the aeration mechanism 54 is connected to the ceramic flat membrane module 31, and aeration can be performed by the aeration mechanism 54 during backwashing. The membrane medicine washing mechanism 53 is arranged in the second equipment room 5, the membrane medicine washing mechanism 53 is connected with the backwashing mechanism 52, the membrane medicine washing mechanism 53 comprises a membrane medicine washing barrel 531 and a medicine adding pipeline 530, the membrane medicine washing barrel 531 is provided with a corresponding membrane medicine washing agent adding pump, the membrane medicine washing agent comprises a pickling agent (such as citric acid) and an alkaline washing agent (such as sodium hypochlorite), the medicine adding pipeline 530 is provided with a one-way valve 532, one end of the medicine adding pipeline 530 is connected with the membrane medicine washing barrel 531, the other end of the medicine adding pipeline 530 is connected with the backwashing pipeline 520 through a second pipeline mixer 523, and the medicine in the membrane medicine washing barrel 531 is introduced into water in the backwashing pipeline 520 during backwashing, so that the backwashing effect is better and cleaner. The ceramic membrane tank 3 is also connected with a sewage drain pipe 31 for discharging sludge in the ceramic membrane tank 3, and the sewage drain pipe 31 is provided with a sewage drain valve 33.
The connection of the present utility model, for example, the connection of the coagulation tank 2 and the ceramic membrane tank 3, the connection of the ceramic flat membrane module 31 and the clean water tank 4, and the like, may be adjacent to each other and have the same hole therebetween, may be connected by a pipe therebetween, or may be other schemes capable of communicating the two. The various valves (e.g., the first check valve 114, the second check valve 512, the third check valve 522, the one-way valve 532, the blowdown valve 33, the first three-way valve 115, the second three-way valve 514, etc.) in this embodiment may be solenoid valves, pneumatic valves, or manual valves.
In a preferred embodiment of the present embodiment, a control cabinet 50 is disposed in the second equipment room 5. Preferably, the ozone generator 12, the aeration mechanism 54, the stirring motor, the water inlet pump 111, the PAC dosing pump, the membrane washing agent dosing pump, the water producing pump 511, the backwash pump 521, etc. are connected to the control cabinet 50 by electrical signals so as to control the water treatment apparatus. Further, for the convenience of monitoring and control, the water inlet pipeline 110, the connecting pipeline 510, the backwashing pipeline 520, the dosing pipeline 530 and the water outlet pipeline 515 are provided with flow meters (not shown in the figure), the flow meters are preferably electromagnetic flow meters and are connected with the control cabinet 50 through electric signals, and the coagulation tank 2, the ceramic membrane tank 3 and the clean water tank 4 are provided with liquid level sensors (not shown in the figure) which are electrically connected with the control cabinet 50.
The embodiments are only for illustrating the technical solution of the present utility model, but not for limiting the same, and although the present utility model has been described in detail with reference to the foregoing embodiments, one skilled in the art may modify the technical solution described in the foregoing embodiments or make equivalent substitutions for some or all technical features thereof, and these modifications or substitutions do not depart from the essence of the corresponding technical solution from the scope of the technical solution of the embodiments of the present utility model, and all the modifications or substitutions should be covered by the scope of the claims and the specification of the present utility model.