CN213569802U - Reverse osmosis system - Google Patents

Abstract

The utility model provides a reverse osmosis system, the on-line screen storage device comprises a base, the base top is from the right side to left side in proper order first-class high-pressure pump, security filter and second-class high-pressure pump, first filter equipment's water inlet department is equipped with belt cleaning device, belt cleaning device is including wasing the case, it is equipped with the (mixing) shaft to wash the incasement, the bottom of (mixing) shaft is passed through the bearing rotatable fixing and is being washd incasement portion bottom, the top of wasing the case is fixed with three-phase asynchronous machine, three-phase asynchronous machine's power output shaft passes through the shaft coupling and is connected with the upper end transmission of (mixing) shaft, be equipped with stirring vane on the (mixing) shaft, the top of wasing the case has been seted up the medicine feeding mouth respectively. The utility model discloses simple structure can wash filter membrane group, has practiced thrift water resource and cost.

Description

Reverse osmosis system

Technical Field

The utility model belongs to the technical field of the environmental protection equipment, especially, relate to a reverse osmosis system.

Background

Importance of reverse osmosis pretreatment (filtration system): raw water contains a large amount of suspended matters, colloids and soluble macromolecules, and the membranes are polluted when the suspended matters, the colloids and the soluble macromolecules are gathered on the surfaces of the membranes; in the membrane separation process, due to the continuous permeation of water, the concentration of solute on the membrane surface is higher than that in the solution, so that the concentration polarization of the membrane is formed; the raw water also contains a plurality of microorganisms and bacteria which can erode the membrane, and the bacteria and the corpses of the microorganisms can be separated out in a solid form to deteriorate the performance of the membrane. In addition, the degradation of parameters such as temperature, PH, pressure, residual chlorine content, etc. of the raw water can cause hydrolysis and oxidation of the membrane; the change in the morphological structure of the membrane caused by the solute also results in a decrease in the water permeation rate of the membrane. In order to reduce the obstruction in the membrane separation process and prolong the service life of the membrane, the filtering membrane component must be cleaned frequently, however, the existing cleaning device has complex structure and inconvenient use and has large using amount of cleaning liquid medicine.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the inconvenient problem of filtering membrane subassembly washing among the current reverse osmosis system, provide a reverse osmosis system, including the base that the level set up, the base plays the fixed effect of support, and the top of base is equipped with braced frame, is equipped with first filter equipment in the braced frame on right side, is equipped with second filter equipment in the left braced frame. The top end of the base is sequentially provided with a first-level high-pressure pump, a security filter and a second-level high-pressure pump from right to left, the security filter plays a role in filtering, the security filter is provided with a water inlet pipe, and the security filter, the first-level high-pressure pump, the first filtering device and the second filtering device are communicated through water pipes. First filter equipment includes that a plurality of roots set up the one-level filtration membrane group in braced frame, is connected with the one-level water injection pipe between one-level filtration module and the one-level high-pressure pump, through one-level water injection pipe parallel connection between each one-level filtration membrane group, the tail end of one-level filtration module is equipped with one-level dense water back flow, one-level dense water delivery pipe, one-level product water pipe and one-level product water delivery pipe respectively. The second filter equipment includes that a plurality of roots set up the second grade filtration membrane group on braced frame, is connected with the second grade water injection pipe between second grade filtration membrane group and the second grade high-pressure pump, through second grade water injection pipe parallel connection between each second grade filtration membrane group, the tail end of second grade filtration module is equipped with second grade dense water back flow, second grade dense water delivery pipe, second grade water production pipe and second grade water production delivery pipe respectively. The water inlet of the first filtering device is provided with a cleaning device, the cleaning device comprises a vertical cleaning box fixed on the top of the base, a vertically arranged stirring shaft is arranged in the cleaning box, the bottom end of the stirring shaft is rotatably fixed at the bottom inside the cleaning box through a bearing, the upper end of the stirring shaft extends out of the cleaning box, the top end of the cleaning box is fixed with a vertical three-phase asynchronous motor, the three-phase asynchronous motor provides power for the stirring shaft, the power output shaft of the three-phase asynchronous motor is connected with the upper end of the stirring shaft through a shaft coupling in a transmission manner, and the stirring shaft is provided with a plurality of stirring blades which. The top end of the cleaning box is respectively provided with a chemical feeding port, a backflow port and a pressure regulating port, cleaning liquid medicine for cleaning and mixing can be put into the cleaning box from the chemical feeding port, then cleaning water is injected from the chemical feeding port and then mixed, the bottom end of the cleaning box is provided with a cleaning liquid medicine outlet, a cleaning and filtering device is arranged at the cleaning liquid medicine outlet and comprises a barrel body, an annular stop block is fixed on the inner wall of the barrel body, a filter tank is arranged in the barrel body and used for filtering large insoluble substances in the cleaning liquid medicine, an annular bulge is arranged at the top end of the filter tank, symmetrically arranged handles are arranged at the top end of the annular bulge, the filter tank is convenient to take out by the handles, the lower end surface of the annular bulge is attached to the upper end surface of the annular stop block, the filter tank penetrates through the annular stop block and extends to the lower end of the barrel, the upper end of the barrel body is provided with a detachable sealing cover. Wash filter equipment's water inlet lead to pipe and the washing liquid medicine exit linkage who washs the case, wash filter equipment's delivery port lead to pipe and the water inlet intercommunication of first-level high-pressure pump, wash the backward flow interface lead to pipe on the case respectively with first filter equipment's outlet and second filter equipment's outlet connection, form closed loop between washing case and the first filter equipment, form closed loop between washing case and the second filter equipment, when filtering module and second grade filter membrane group are being filtered to the one-level like this, it can cyclic utilization to wash the liquid medicine, need not just can realize the washing to one-level filter membrane group and second grade filter module with a large amount of washing liquid medicines, and the cost is saved.

Preferably, the intercommunication has the backward flow pressure regulating pipe between pressure regulating interface and the one-level water injection pipe on the washing case, and the setting of backward flow pressure regulating pipe can be adjusted the water pressure of wasing the incasement, is convenient for adjust the pump pressure of first-level high pressure water pump, and the one end of backward flow pressure regulating pipe is connected at the pressure regulating kneck, and the other end of backward flow pressure regulating pipe is connected on the one-level water injection pipe that is close to one-level filter membrane group.

The scheme has the following advantages:

the first filtering device is arranged for carrying out primary filtering on the industrial wastewater to improve the purity of water, and the second filtering device is arranged for carrying out secondary filtering on primary produced water generated by the primary filtering device to ensure that the purity of the filtered water is higher; the cleaning and filtering device is arranged to perform coarse filtration on insoluble substances in the cleaning liquid medicine, so that the phenomenon that the insoluble substances dropped by the first-stage filter membrane group and the second-stage filter membrane group through liquid medicine reaction are mixed into the cleaning liquid medicine to influence the cleaning effect during cleaning is avoided; the cleaning box can completely mix the cleaning liquid medicine with water, and plays a role in storing and recycling the cleaning liquid medicine.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

fig. 3 is a schematic top view of the present invention;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of the cleaning apparatus;

FIG. 6 is a schematic sectional view of the cleaning and filtering apparatus;

fig. 7 is an exploded view of the cleaning filter device.

Reference numerals: 1. a base; 2. a first filtering device; 3. a second filtering device; 4. a cleaning device; 5. cleaning the filtering device; 11. a support frame; 12. a security filter; 121. a water inlet pipe; 13. a first stage high pressure pump; 14. a second stage high pressure pump; 21. a first-stage filtration membrane group; 22. a primary water injection pipe; 23. a first-stage concentrated water return pipe; 24. a first-stage concentrated water discharge pipe; 25. a first-stage water producing pipe; 26. a primary produced water discharge pipe; 31. a secondary filtration membrane group; 32. a secondary water injection pipe; 33. a second-stage concentrated water return pipe; 34. a second-stage concentrated water discharge pipe; 35. a secondary water production pipe; 36. a secondary produced water discharge pipe; 41. a cleaning tank; 42. a stirring shaft; 43. a three-phase asynchronous motor; 44. a stirring blade; 45. a medicine adding port; 46. a backflow interface; 47. a voltage regulating interface; 471. a pressure regulating pipe is refluxed; 48. a cleaning liquid outlet; 49. cleaning the interface; 51. a barrel body; 52. an annular stop block; 53. a filter cell; 54. an annular projection; 55. a handle; 56. a water inlet of the barrel body; 57. a water outlet of the barrel body; 58. and (7) sealing the cover.

Detailed Description

As shown in fig. 1-7, a reverse osmosis system comprises a horizontally disposed base 1, wherein the base 1 plays a role in supporting and fixing, a supporting frame 11 is disposed at the top end of the base 1, a first filtering device 2 is disposed in the supporting frame 11 on the right side, and a second filtering device 3 is disposed in the supporting frame 11 on the left side. The top end of the base 1 is sequentially provided with a first-level high-pressure pump 13, a security filter 12 and a second-level high-pressure pump 14 from right to left, the security filter 12 plays a role in filtering, the security filter 12 is provided with a water inlet pipe 121, and the security filter 12, the first-level high-pressure pump 13, the first filtering device 2 and the second filtering device 3 are communicated through water pipes. First filter equipment 2 includes that a plurality of roots set up the one-level filtering membrane group 21 in braced frame 11, is connected with one-level water injection pipe 22 between one-level filtering membrane group 21 and the one-level high-pressure pump 13, through one-level water injection pipe 22 parallel connection between each one-level filtering membrane group 21, the tail end of one-level filtering membrane group 21 is equipped with one-level dense water back flow 23, one-level dense water delivery pipe 24, one-level product water pipe 25 and one-level product water delivery pipe 26 respectively. The second filtering device 3 comprises a plurality of secondary filtering membrane groups 31 arranged on the supporting frame 11, a secondary water injection pipe 32 is connected between the secondary filtering membrane groups 31 and the secondary high-pressure pump 14, each secondary filtering membrane group 31 is connected in parallel through the secondary water injection pipe 32, and the tail end of each secondary filtering membrane group 31 is provided with a secondary concentrated water return pipe 33, a secondary concentrated water discharge pipe 34, a secondary water production pipe 35 and a secondary water production discharge pipe 36 respectively. The water inlet department of first filter equipment 2 is equipped with belt cleaning device 4, and belt cleaning device 4 is including vertical washing case 41 of fixing on base 1 top, washs the (mixing) shaft 42 that is equipped with vertical setting in the case 41, and the bottom of (mixing) shaft 42 is passed through the bearing rotatable to be fixed in the inside bottom of washing case 41, and the upper end of (mixing) shaft 42 extends washs case 41, and the top of wasing case 41 is fixed with vertical three-phase asynchronous machine 43 that sets up, and three-phase asynchronous machine 43 provides power for (mixing) shaft 42, and the power output shaft of three-phase asynchronous machine 43 passes through the shaft coupling and is connected with the upper end transmission of (mixing) shaft 42, be equipped with a plurality. The top end of the cleaning box 41 is respectively provided with a chemical feeding port 45, a backflow port 46 and a pressure regulating port 47, cleaning liquid medicine for cleaning and mixing can be put into the cleaning box 41 from the chemical feeding port 45, then cleaning water is injected from the chemical feeding port 46 and mixed, the bottom end of the cleaning box 41 is provided with a cleaning liquid medicine outlet 48, the cleaning liquid medicine outlet 48 is provided with a cleaning and filtering device 5, the cleaning and filtering device 5 comprises a barrel body 51, an annular stop block 52 is fixed on the inner wall of the barrel body 51, a filter tank 53 is arranged in the barrel body 51, the filter tank 53 filters large insoluble substances in the cleaning liquid medicine, the top end of the filter tank 53 is provided with an annular bulge 54, the top end of the annular bulge 54 is provided with symmetrically arranged handles 55, the handles 55 are convenient for taking out the filter tank 53, the lower end face of the annular bulge 54 is attached to the upper end face of the annular stop block 52, the filter tank 53 extends to the lower end of the barrel body 51, a bucket water outlet 57 is formed on the side wall of the lower end of the bucket body 56, and a detachable sealing cover 68 is arranged on the upper end of the bucket body 51. Wash filter equipment 5's water inlet and wash case 41's washing liquid medicine export 48 through the water pipe and be connected, wash filter equipment 5's delivery port water pipe and one-level high-pressure pump 13's water inlet intercommunication, wash the backward flow interface 46 on the case 41 water pipe respectively with first filter equipment 2's outlet and second filter equipment 3's outlet connection, form closed loop between washing case 41 and the first filter equipment 2, form closed loop between washing case 41 and the second filter equipment 3, when filtering one-level filter module 21 and second grade filter membrane group 31 like this, it can cyclic utilization to wash the liquid medicine, need not just can realize the washing to one-level filter membrane group 21 and second grade filter module 31 with a large amount of washing liquid medicine, and cost is saved.

Preferably, the backflow pressure regulating pipe 471 is communicated between the pressure regulating interface 47 on the cleaning box 41 and the primary water injection pipe 22, the backflow pressure regulating pipe 471 is arranged to regulate the water pressure in the cleaning box 41, the pumping pressure of the primary high-pressure water pump 13 is convenient to regulate, one end of the backflow pressure regulating pipe 471 is connected to the pressure regulating interface 47, and the other end of the backflow pressure regulating pipe 471 is connected to the primary water injection pipe 22 close to the primary filter membrane group 21.

The use process comprises the following steps:

the utility model discloses during the use, at first close the ooff valve on the washing interface 49, inject pending industrial waste water into security filter 12 through inlet tube 121, start first-level high-pressure pump 13, industrial waste water after security filter 12 filters is pushed down at the pump of first-level high-pressure pump 13, from getting into first-level filter membrane group 21 through one-level water injection pipe 22, industrial waste water produces first-level dense water and first-level product water respectively after the infiltration filtration of first-level filter membrane group 21, first-level dense water is discharged from first-level dense water discharge pipe 24 or flows back once more to first-level filter module 21 through one-level dense water back flow 23 and carries out the infiltration filtration, first-level product water flows to second-level high-pressure pump 14 from first-level product water pipe 25, perhaps first-level product water is discharged from first-level product water discharge; and starting the second-stage high-pressure pump 14, injecting the first-stage produced water into the second-stage filtering membrane group 31 through the second-stage water injection pipe 32, performing osmotic filtration on the first-stage produced water through the second-stage filtering module group 31 to produce second-stage produced water and second-stage concentrated water, discharging the second-stage produced water from the second-stage produced water discharge pipe 36, discharging the second-stage concentrated water from the second-stage concentrated water discharge pipe 34, or returning the second-stage concentrated water to the second-stage filtering membrane group 31 from the second-stage concentrated water return pipe 33 for again osmotic filtration. When the first-stage filter membrane group 21 and the second-stage filter module 31 need to be cleaned, firstly, cleaning liquid medicine and cleaning water are injected into the cleaning box 41 through the medicine adding port 45, the three-phase asynchronous motor 43 is started, the three-phase asynchronous motor 43 drives the stirring blade 44 to stir and mix the cleaning water and the cleaning liquid medicine, after the cleaning liquid medicine is uniformly mixed, the switch valve on the cleaning port 47 is opened, the first-stage high-pressure pump 13 and the second-stage high-pressure pump 14 are started at the same time, under the action of the first-stage high-pressure pump 13 and the second-stage high-pressure pump 14, the cleaning liquid medicine sequentially passes through the cleaning filter 5, the first-stage high-pressure pump 13, the first-stage filter membrane group 21, the second-stage high-pressure pump 14 and the second-stage high-pressure module 31 and finally flows back into the cleaning box 41, the cleaning liquid medicine performs liquid medicine reaction and cleaning on, when the filter tank 53 is left in the filter tank 53 and the filter tank 53 needs to be cleaned, the sealing cover 58 is opened, the filter tank 53 is taken out through the handle 55, and the dirt in the filter tank 53 is cleaned.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims (5)

1. The utility model provides a reverse osmosis system, includes the base that the level set up, and the top of base is equipped with braced frame, is equipped with first filter equipment in the braced frame on right side, is equipped with second filter equipment in the left braced frame, and the base top is from the right side to left side first-level high-pressure pump, security filter and second-level high-pressure pump in proper order, is equipped with the inlet tube on the security filter, leads to pipe intercommunication, its characterized in that between security filter, first-level high-pressure pump, first filter equipment and the second filter equipment: the water inlet of the first filtering device is provided with a cleaning device, the cleaning device comprises a cleaning box vertically fixed on the top end of a base, a vertically arranged stirring shaft is arranged in the cleaning box, the bottom end of the stirring shaft is rotatably fixed on the bottom end in the cleaning box through a bearing, the upper end of the stirring shaft extends out of the cleaning box, the top end of the cleaning box is fixedly provided with a vertically arranged three-phase asynchronous motor, a power output shaft of the three-phase asynchronous motor is in transmission connection with the upper end of the stirring shaft through a coupler, the stirring shaft is provided with a plurality of stirring blades, the top end of the cleaning box is respectively provided with a dosing port, a backflow port and a pressure regulating port, the bottom end of the cleaning box is provided with a cleaning liquid medicine outlet, the cleaning liquid medicine outlet is provided with a cleaning filtering device, the water inlet of the cleaning filtering device is, a backflow interface on the cleaning box is connected with a water outlet of the first filtering device and a water outlet of the second filtering device through water pipes respectively, a closed loop is formed between the cleaning box and the first filtering device, and a closed loop is formed between the cleaning box and the second filtering device.

2. A reverse osmosis system according to claim 1, wherein: first filter equipment includes that a plurality of roots set up the one-level filtration membrane group in braced frame, is connected with the one-level water injection pipe between one-level filtration module and the one-level high-pressure pump, through one-level water injection pipe parallel connection between each one-level filtration membrane group, the tail end of one-level filtration module is equipped with one-level dense water back flow, one-level dense water delivery pipe, one-level product water pipe and one-level product water delivery pipe respectively.

3. A reverse osmosis system according to claim 2, wherein: the second filter equipment includes that a plurality of roots set up the second grade filtration membrane group on braced frame, is connected with the second grade water injection pipe between second grade filtration membrane group and the second grade high-pressure pump, through second grade water injection pipe parallel connection between each second grade filtration membrane group, the tail end of second grade filtration module is equipped with second grade dense water back flow, second grade dense water delivery pipe, second grade water production pipe and second grade water production delivery pipe respectively.

4. A reverse osmosis system according to claim 3, wherein: wash filter equipment and include the staving, be fixed with annular dog on the inner wall of staving, be equipped with the filter cell in the staving, the top of filter cell is equipped with annular arch, and annular arch's top is equipped with the handle that the symmetry set up, and annular arch's lower terminal surface laminates with the up end of annular dog, and the filter cell passes the lower extreme that annular dog extends to the staving, has seted up the staving water inlet on the lateral wall of staving upper end, has seted up the staving outlet on the lower extreme lateral wall of staving, and the upper end of staving.

5. A reverse osmosis system according to claim 4, wherein: the intercommunication has the backward flow pressure regulating pipe between pressure regulating interface on the washing case and the one-level water injection pipe, and the one end of backward flow pressure regulating pipe is connected at the pressure regulating interface department, and the other end of backward flow pressure regulating pipe is connected on the one-level water injection pipe that is close to one-level filter membrane group.

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