CN214681066U - Movable flat membrane cleaning device - Google Patents
Movable flat membrane cleaning device Download PDFInfo
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- CN214681066U CN214681066U CN202120530649.XU CN202120530649U CN214681066U CN 214681066 U CN214681066 U CN 214681066U CN 202120530649 U CN202120530649 U CN 202120530649U CN 214681066 U CN214681066 U CN 214681066U
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Abstract
The utility model relates to a portable dull and stereotyped membrane belt cleaning device, include the travelling car and install the last medical kit of washing, dosing tank and a plurality of former medical kit of travelling car, every former medical kit respectively with the dosing tank is linked together, the dosing tank respectively with the medical kit of washing is linked together with outside supply channel, the medical kit of washing is linked together with treating abluent dull and stereotyped membrane equipment be provided with liquid level appearance and agitator on the medical kit, every be provided with measuring pump and liquid level switch on the former medical kit. The technical scheme of the utility model in, cross measuring pump and liquid level switch on a plurality of former medical malls that can place different batching and the liquid level appearance on the washing medicine case, realize accurate throwing and throw stoste and running water supply volume to the concentration ratio of guaranteeing to wash the liquid medicine is accurate and the liquid medicine volume of adding the membrane module is accurate, avoids the influence to membrane and biochemical system.
Description
Technical Field
The utility model relates to a dull and stereotyped membrane washs technical field, especially relates to a portable dull and stereotyped membrane belt cleaning device.
Background
The flat membrane separation technology is a high-efficiency low-pollution purification technology integrating separation and concentration, is simple to operate, convenient to maintain, low in energy consumption and high in adaptability, and has been widely accepted and applied in the field of sewage treatment. When the flat membrane is used for treating impurity particles, colloid particles and solute macromolecules in water, the membrane pore size is reduced or blocked due to adsorption and deposition on the surface or in the pores of the membrane caused by physical, chemical or mechanical action with the membrane, so that the membrane flux and the separation characteristic of the membrane are changed. The method for reducing membrane pollution mainly comprises the following steps:
(ii) enhanced pretreatment
The raw water is pretreated, impurities with large volume in the water can be filtered by the pretreatment, the condition that the MBR membrane is blocked can be reduced, and MBR membrane pollution caused by the impurities with large volume is reduced. Typically a fine screen of less than 1mm is installed.
② physical cleaning
The common method for cleaning by manual and mechanical methods is on-line backwashing.
And (3) online washing: the MBR membrane is recommended to be backwashed regularly, the backwashing pressure is greater than 0.1MPa, the backwashing time can be determined according to the requirements of MBR membrane manufacturers, and the backwashed water cannot be directly tap water and must be treated.
③ chemical cleaning
Soaking and cleaning the MBR membrane by using a chemical agent, and specifically comprises the following steps:
online cleaning:
when the pressure difference between membranes is higher than that in the initial stable operation by 5KPa under the same filtration flow, or once every half year, the liquid medicine cleaning is carried out in a shorter time between the two. The medicines used include alkaline solutions (sodium hypochlorite and sodium hydroxide) and acid solutions (citric acid or oxalic acid solutions).
Off-line cleaning: when the normal filtering function of the membrane can not be recovered by on-line cleaning or the time interval of continuous 2-time on-line cleaning is within 1 month, the MBR membrane needs to be cleaned off-line in time. The cleaning method comprises the steps of taking down the MBR membrane from the membrane frame, washing the surface of the membrane with clear water, and removing activated sludge attached to the surface of the membrane; then soaking the membrane respectively by using a certain amount of NaClO and a certain amount of NaOH solution to kill bacteria attached to the surface of the membrane and remove organic matters and colloidal substances attached to the surface of the membrane; and then, washing the surface of the membrane with clean water, and backwashing the membrane for 2-3 minutes after the membrane is arranged in a membrane pool, so that the flux of the MBR membrane can be recovered.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
Therefore, an object of the utility model is to provide a portable dull and stereotyped membrane belt cleaning device, it can eliminate the injury that the not special chemical cleaning of fortune dimension personnel caused membrane and biochemical system, only needs input parameter can realize a key formula operation, makes the membrane wash more professional, simpler.
For realizing above-mentioned purpose, the technical scheme of the utility model a portable dull and stereotyped membrane belt cleaning device is provided, include the travelling car and install the last washing medicine case of travelling car, dosing tank and a plurality of former medical kit, every the former medical kit respectively with the dosing tank is linked together, the dosing tank respectively with washing medicine case and external water supply pipeline are linked together, the washing medicine case is linked together with treating abluent dull and stereotyped membrane equipment be provided with level appearance and agitator on the washing medicine case, every be provided with measuring pump and liquid level switch on the former medical kit.
In the technical scheme, the accurate addition of the stock solution and the supplement amount of tap water are realized through a metering pump and a liquid level switch on a plurality of stock solution boxes capable of accommodating different ingredients and a liquid level instrument on a washing solution box, so that the accurate concentration ratio of the washing solution and the accurate amount of the solution added into the membrane component are ensured, and the influence on the membrane and a biochemical system is avoided; in addition, all parts of the cleaning device are integrated on the movable trolley, so that the limited field space is not occupied;
in the above technical solution, preferably, a CIP pump is disposed on a pipeline through which the medicine washing tank and the medicine dispensing tank are communicated.
In the technical scheme, the CIP pump extracts cleaning liquid medicine from the medicine preparation tank and pumps the cleaning liquid medicine into the medicine washing tank at a high position or a low position, and the liquid medicine automatically flows into the membrane component.
In the above technical solution, preferably, a solenoid valve is provided on a pipeline of the dosing tank communicating with the external water supply pipeline.
In the technical scheme, the electromagnetic valve can control the adding amount of tap water in the dosing tank.
In the above technical solution, preferably, the apparatus further comprises a PLC control device electrically connected to the liquid level meter, the stirrer, the metering pump, the liquid level switch, the CIP pump, and the solenoid valve, respectively.
According to the technical scheme, a PLC control device with a built-in PLC automatic control system is a core control component of the movable flat membrane cleaning device, all membrane cleaning parameters are input through a touch screen, the set medicament concentration and the set medicament injection time can be adjusted according to the use condition and the membrane blockage condition of the membrane, the membrane cleaning device is fully automatically operated, and the whole membrane cleaning device adopts PLC control to automatically calculate the medicament adding amount and the tap water adding amount, automatically control the medicament adding amount and the tap water, automatically mix and stir and automatically control the membrane cleaning medicament amount. Only parameters need to be input, and one-key operation can be realized; the safety is good: avoid frequent contact of operators and medicaments, and prevent the corrosion of liquid medicines such as sodium hypochlorite, alkali liquor, citric acid and the like to human bodies and clothes.
In the above technical solution, preferably, the position of the medicine washing box is higher than the position of the flat membrane device.
In the above technical solution, preferably, the position of the medicine washing box is lower than the position of the flat membrane device.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows a structure diagram of a mobile flat membrane cleaning device according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1, according to the utility model discloses a portable dull and stereotyped membrane belt cleaning device of embodiment, include travelling car 1 and install the washing medicine case 2, the medicine preparation case 3 and a plurality of former medical kit 4 on the travelling car 1, every former medical kit 4 respectively with the medicine preparation case 3 is linked together, the medicine preparation case 3 respectively with the washing medicine case 2 is linked together with the external water supply pipeline, the washing medicine case 2 is linked together with treating abluent dull and stereotyped membrane equipment 5 be provided with liquid level appearance 6 and agitator 7 on the washing medicine case 2, every be provided with measuring pump 8 and level switch 9 on the former medical kit 4.
In the embodiment, the metering pump 8 and the liquid level switch 9 on the plurality of raw material boxes 4 capable of containing different ingredients and the liquid level instrument 6 on the washing medicine box 2 are used for realizing accurate addition of raw liquid and tap water supplement, so that the concentration ratio of the cleaning liquid medicine is accurate, the liquid medicine added into the membrane component is accurate, and the influence on the membrane and a biochemical system is avoided; in addition, all parts of the cleaning device are integrated on the movable trolley 1, so that the limited field space is not occupied;
in the above embodiment, preferably, a CIP pump 10 is provided on a pipeline through which the medicine-washing tank 2 and the medicine-dispensing tank 3 communicate with each other.
In this embodiment, the CIP pump 10 pumps the cleaning chemical from the chemical tank 3 into the chemical tank 2 at the high position or the low position, and the chemical flows into the membrane module by itself.
In the above embodiment, it is preferable that the electromagnetic valve 11 is provided on a line through which the dosing tank 3 communicates with the external water supply line.
In this embodiment, the solenoid valve 11 can control the amount of tap water to be supplied into the dosing tank 3.
In the above embodiment, it is preferable that the apparatus further includes a PLC control device 12 electrically connected to the level gauge 6, the stirrer 7, the metering pump 8, the level switch 9, the CIP pump 10, and the solenoid valve 11, respectively.
In the embodiment, the PLC control device 12 with a built-in PLC automatic control system is a core control component of the mobile flat membrane cleaning device, all membrane cleaning parameters are input through a touch screen, the set medicament concentration and the set medicament injection time can be adjusted according to the use condition and the membrane blockage condition of the membrane, the operation is fully automatic, and the whole membrane cleaning device adopts PLC control to automatically calculate the medicament adding amount and the tap water adding amount, automatically control the medicament adding amount and the tap water, automatically mix and stir and automatically control the membrane cleaning medicament amount. Only parameters need to be input, and one-key operation can be realized; the safety is good: avoid frequent contact of operators and medicaments, and prevent the corrosion of liquid medicines such as sodium hypochlorite, alkali liquor, citric acid and the like to human bodies and clothes.
The utility model discloses well washing medicine case 2's setting includes but not limited to following technical scheme:
example 1
The position of the medicine washing box 2 is higher than that of the flat membrane device 5.
Example 2
The position of the medicine washing box 2 is lower than that of the flat membrane device 5.
On the other hand, the utility model also provides the aforementioned portable dull and stereotyped membrane belt cleaning device's work flow:
1) inputting parameters: the treated water amount Q, the membrane area A, the type of the liquid medicine, the configuration concentration (generally fixed values, can be modified and adjusted by technicians according to actual cleaning conditions at regular intervals), the soaking time (2-3 hours, the set value is 2 hours, can be adjusted according to actual conditions)
2) The PLC automatically calculates and outputs the adding amount of the sodium hypochlorite stock solution, the sodium hydroxide stock solution, the citric acid (or oxalic acid) stock solution and the supplementing amount of tap water;
3) preparing a cleaning liquid medicine: the accurate addition of the stock solution and the supplement of tap water are realized through a metering pump 8, a liquid level meter 6 and a liquid level switch 9, and a stirrer 7 is started for mixing;
4) the CIP pump 10 pumps cleaning liquid medicine from the medicine preparation tank 3 into the medicine washing tank 2 at a high position or a low position, and the liquid medicine flows into the membrane component automatically.
5) Soaking for 2 hours;
6) alarming to prompt the end of soaking;
7) starting a blower of the sewage treatment system and a self-priming pump to pump out the liquid medicine in the membrane;
8) the membrane cleaning is finished or the acid cleaning is continued.
The utility model provides a portable dull and stereotyped membrane belt cleaning device compares with prior art's advantage lies in: the PLC automatic control technology is used for replacing manual proportioning of the medicament, manual feeding of the membrane cleaning liquid medicament and manual control of the membrane cleaning dosage; the membrane cleaning device is highly integrated, operated by one key, and is particularly suitable for the condition that a plurality of sewage treatment stations share the membrane cleaning device.
In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a portable dull and stereotyped membrane belt cleaning device, its characterized in that includes the travelling car and installs the washing medicine case, dosing tank and a plurality of former medical kit on the travelling car, every former medical kit respectively with the dosing tank is linked together, the dosing tank respectively with washing medicine case and outside water supply pipeline are linked together, the washing medicine case is linked together with the dull and stereotyped membrane equipment of treating abluent be provided with level appearance and agitator on the washing medicine case, every be provided with measuring pump and liquid level switch on the former medical kit.
2. The mobile flat membrane cleaning device according to claim 1, wherein: and a CIP pump is arranged on a pipeline for communicating the washing agent box and the dosing agent box.
3. The mobile flat membrane cleaning device according to claim 2, wherein: and an electromagnetic valve is arranged on a pipeline which is communicated with the dosing box and the external water supply pipeline.
4. The mobile flat membrane cleaning device according to claim 3, wherein: the automatic control system also comprises a PLC control device which is respectively electrically connected with the liquid level meter, the stirrer, the metering pump, the liquid level switch, the CIP pump and the electromagnetic valve.
5. The mobile flat membrane cleaning device according to any one of claims 1 to 4, wherein: the position of the medicine washing box is higher than that of the flat membrane equipment.
6. The mobile flat membrane cleaning device according to any one of claims 1 to 4, wherein: the position of the medicine washing box is lower than that of the flat membrane equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120530649.XU CN214681066U (en) | 2021-03-12 | 2021-03-12 | Movable flat membrane cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120530649.XU CN214681066U (en) | 2021-03-12 | 2021-03-12 | Movable flat membrane cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214681066U true CN214681066U (en) | 2021-11-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120530649.XU Active CN214681066U (en) | 2021-03-12 | 2021-03-12 | Movable flat membrane cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214681066U (en) |
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2021
- 2021-03-12 CN CN202120530649.XU patent/CN214681066U/en active Active
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Effective date of registration: 20230615 Address after: No. 2, Pingfang, No. 4, Qikongqiao West Road South, Xiwengzhuang, Miyun District, Beijing 101512 Patentee after: Beijing Shenghe Zhengtai Environmental Protection Engineering Co.,Ltd. Address before: 1201, block a, Federation of industry and Commerce building, No. 4, Fufeng Road, Fengtai District, Beijing 100071 Patentee before: Han Bin Patentee before: Wang Yilong |