CN214360610U - Integrated two-stage reverse osmosis device - Google Patents

Abstract

The utility model relates to the technical field of filtering equipment, in particular to an integrated two-stage reverse osmosis device, which can ensure the normal operation of the whole device while the first filtering box is damaged and overhauled by setting, and avoid influencing the production efficiency; the device comprises a base, a first filter tank, a small-aperture sieve plate, a filter plate, an activated carbon adsorption plate, a water outlet pipe, a first connecting pipe, a first-stage reverse osmosis reactor, a second connecting pipe, a second-stage reverse osmosis reactor, two groups of first check valves, a third connecting pipe, two groups of second check valves, a water quality detector, a water pump, a fourth connecting pipe and a water return pipe, wherein the first filter tank is positioned above the base; still include two sets of fixing bases, the first pillar of multiunit, the first cushion of multiunit, second rose box, two sets of connecting rods, multiunit slider, two sets of slide rails, two sets of supports and two sets of cylinders, two sets of fixing bases are fixed mounting both ends around the base is left respectively, first pillar top and fixing base bottom fixed connection, first cushion top and first pillar bottom fixed connection.

Description

Integrated two-stage reverse osmosis device

Technical Field

The utility model relates to a filtration equipment's technical field especially relates to an integration two-stage reverse osmosis unit.

Background

As is well known, an integrated two-stage reverse osmosis device is an auxiliary device for reverse osmosis in the filtration process of water, which is widely used in the field of filtration equipment; the existing integrated two-stage reverse osmosis device comprises a base, a first filter tank, a small-aperture sieve plate, a filter plate, an activated carbon adsorption plate, a water outlet pipe, a first connecting pipe, a first-stage reverse osmosis pile, a second connecting pipe, a second-stage reverse osmosis pile, two groups of first check valves, a third connecting pipe, two groups of second check valves, a water quality detector, a water pump, a fourth connecting pipe and a water return pipe, wherein the bottom end of the first filter tank is fixedly connected with the top end of the base, the left end of the first filter tank is provided with a water injection pipe, the small-aperture sieve plate, the filter plate and the activated carbon adsorption plate are all positioned in the first filter tank, the water outlet pipe extends into the first filter tank, the right end of the water outlet pipe is fixedly connected with the first connecting pipe, the first connecting pipe is communicated with the first-stage reverse osmosis pile, the second connecting pipe is communicated with the first-stage reverse osmosis pile and the second-stage reverse osmosis pile, the right end of the second-stage reverse osmosis pile is provided with a water discharge pipe, the two groups of first check valves are respectively arranged on the first connecting pipe and the second connecting pipe, the input end of a third connecting pipe is communicated with the second-stage reverse osmosis reactor, the output end of the third connecting pipe is communicated with the water quality detector, the top end of a water pump is fixedly connected with the bottom end of the second-stage reverse osmosis reactor, the input end of the water pump extends into the second-stage reverse osmosis reactor, the input end of a fourth connecting pipe is connected with the output end of the water pump, two groups of second one-way valves are respectively installed on the third connecting pipe and the fourth connecting pipe, the output end of the fourth connecting pipe is communicated with the input end of a water return pipe, the output end of the water return pipe extends into a first filter box, and the water return pipe sequentially penetrates through an active carbon adsorption plate, a filter plate and a small-aperture sieve plate; when the existing integrated two-stage reverse osmosis device is used, firstly, water is injected into a first filter tank, after being filtered by a small-aperture sieve plate, a filter plate and an activated carbon adsorption plate, a first one-way valve on a first connecting pipe is opened, the water enters a first-stage reverse osmosis pile through a water outlet pipe and the first connecting pipe, after treatment, the first one-way valve on a second connecting pipe is opened, the water in the first-stage reverse osmosis pile enters a second-stage reverse osmosis pile through the second connecting pipe, after retreatment, an upper second one-way valve on a third connecting pipe is opened, part of the water flows into a water quality detector, the water quality is detected, if the detection result reaches the standard, a drain pipe at the right end of the second-stage reverse osmosis pile is opened, the water is discharged, if the detection result does not reach the standard, a water pump is started, a second one-way valve on a fourth connecting pipe is opened at the same time, the water in the second-stage reverse osmosis pile is pumped into the fourth connecting pipe and a water return pipe, and then enters a first filter box, and then filtration and purification are carried out again; in the prior integrated two-stage reverse osmosis device, the phenomenon that the operation of the whole device is stopped to influence the production efficiency if components in the first filter tank are damaged and the first filter tank is overhauled is found.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a through the setting, can guarantee the normal operating of whole device when first rose box damages to overhaul, avoid influencing production efficiency's integration two-stage reverse osmosis unit.

The utility model discloses an integrated two-stage reverse osmosis device, which comprises a base, a first filter tank, a small aperture sieve plate, a filter plate, an activated carbon adsorption plate, a water outlet pipe, a first connecting pipe, a first-stage reverse osmosis pile, a second connecting pipe, a second-stage reverse osmosis pile, two sets of first check valves, a third connecting pipe, two sets of second check valves, a water quality detector, a water pump, a fourth connecting pipe and a water return pipe, wherein the first filter tank is positioned above the base, the left end of the first filter tank is provided with a water injection pipe, the small aperture sieve plate, the filter plate and the activated carbon adsorption plate are sequentially arranged in the first filter tank, the water outlet pipe extends into the first filter tank, the right end of the water outlet pipe is connected with the first connecting pipe, the first connecting pipe is communicated with the first-stage reverse osmosis pile, the second connecting pipe is communicated with the first-stage reverse osmosis pile and the second-stage reverse osmosis pile, the right end of the second-stage reverse osmosis pile is provided with a water discharge pipe, the two sets of the first check valves are respectively arranged on the first connecting pipe and the second connecting pipe, the input end of a third connecting pipe is communicated with the second-stage reverse osmosis reactor, the output end of the third connecting pipe is communicated with the water quality detector, the top end of a water pump is fixedly connected with the bottom end of the second-stage reverse osmosis reactor, the input end of the water pump extends into the second-stage reverse osmosis reactor, the input end of a fourth connecting pipe is connected with the output end of the water pump, two groups of second one-way valves are respectively installed on the third connecting pipe and the fourth connecting pipe, the output end of the fourth connecting pipe is communicated with the input end of a water return pipe, the output end of the water return pipe extends into a first filter box, and the water return pipe sequentially penetrates through an active carbon adsorption plate, a filter plate and a small-aperture sieve plate; also comprises two groups of fixed seats, a plurality of groups of first struts, a plurality of groups of first cushion blocks and a second filter tank, two sets of connecting rods, the multiunit slider, two sets of slide rails, two sets of supports and two sets of cylinders, two sets of fixing bases are both ends around the base is left respectively fixed mounting, first support top and fixing base bottom fixed connection, first cushion top and first support bottom fixed connection, second rose box and first rose box pass through the connecting rod and connect, the inside subassembly of second rose box sets up the same with the inside subassembly of first rose box, the multiunit slider is fixed mounting respectively in first rose box and second rose box bottom, slide rail fixed mounting is on base and fixing base top, slider and slide rail slide clamp, two sets of supports are fixed mounting respectively in the front side and the rear side of slide rail, cylinder bottom and support top fixed connection, the output of two sets of cylinders respectively with first rose box front end and second rose box rear end fixed connection.

The utility model discloses an integration two-stage reverse osmosis unit still includes two sets of first go-between, two sets of second go-between, four first bolts of group and four rubber pads of group, two sets of first go-between are fixed mounting respectively at the output of outlet pipe and wet return, two sets of second go-between are fixed mounting respectively at the input of first connecting pipe and fourth connecting pipe, first go-between and second go-between are connected through two sets of first bolt spiral shell wares, two sets of rubber pads are fixed mounting respectively on the opposite face of first go-between and second go-between.

The utility model discloses an integration two-stage reverse osmosis unit, still include three group's connecting plates, six group's second bolts, three group's handles and three sealing washers of group, first rose box bottom is equipped with three group's slots, the aperture sieve, filter and active carbon adsorption plate's bottom all inserts in the slot of first rose box bottom, first rose box top is equipped with three group's through-holes, the aperture sieve, the through-hole is all passed on filter and active carbon adsorption plate's top, three group's connecting plates fixed mounting is respectively at the aperture sieve, the top of filter and active carbon adsorption plate, connecting plate and first rose box top are passed through second bolt spiral shell and are connected, handle bottom and connecting plate top fixed connection, three sealing washers of group are installed respectively at the aperture sieve, the junction of filter and active carbon adsorption plate and first rose box.

The utility model discloses an integration two-stage reverse osmosis unit still includes clearance door, pivot, third bolt and handle, and first rose box left end lower part is equipped with the clearance mouth, and the clearance door is located the clearance mouth, and clearance door bottom and first rose box left end are articulated through the pivot, and clearance door top and first rose box left end pass through third bolt spiral shell and connect, and handle fixed mounting is at clearance door left end.

The utility model discloses an integration two-stage reverse osmosis unit still includes multiunit second pillar and multiunit second cushion, second pillar top and base bottom fixed connection, second cushion top and second pillar bottom fixed connection.

The utility model discloses an integration two-stage reverse osmosis unit, the front end of first rose box and second rose box all is provided with the observation window.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up the second rose box, can be when first rose box goes wrong and needs the maintenance, replace first rose box, make the overall device normal operating, avoid influencing production, low efficiency, when needing to change first rose box, start two sets of cylinders, the cylinder of first rose box front side drives first rose box and moves forward, the slider can slide on the slide rail top, move the fixing base top in the place ahead with first rose box, the cylinder of second rose box rear side drives the second rose box and moves forward simultaneously, move the top of base with the second rose box, later with wet return and active carbon adsorption plate respectively with fourth connecting pipe and first connecting pipe be connected can.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic left side view of the structure of FIG. 1;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 1;

FIG. 4 is an enlarged schematic view of a portion B of FIG. 1;

FIG. 5 is an enlarged schematic view of a portion C of FIG. 1;

in the drawings, the reference numbers: 1. a base; 2. a first filter tank; 3. a small-aperture sieve plate; 4. a filter plate; 5. an activated carbon adsorption plate; 6. a water outlet pipe; 7. a first connecting pipe; 8. a first-stage reverse osmosis reactor; 9. a second connecting pipe; 10. a second-stage reverse osmosis reactor; 11. a first check valve; 12. a third connecting pipe; 13. a second one-way valve; 14. a water quality detector; 15. a water pump; 16. a fourth connecting pipe; 17. a water return pipe; 18. a fixed seat; 19. a first support; 20. a first cushion block; 21. a second filter tank; 22. a connecting rod; 23. a slider; 24. a slide rail; 25. a support; 26. a cylinder; 27. a first connecting ring; 28. a second connection ring; 29. a first bolt; 30. a rubber pad; 31. a connecting plate; 32. a second bolt; 33. a handle; 34. a seal ring; 35. cleaning the door; 36. a rotating shaft; 37. a third bolt; 38. a handle; 39. a second support; 40. and a second cushion block.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 5, the integrated two-stage reverse osmosis device of the utility model comprises a base 1, a first filter tank 2, a small-aperture sieve plate 3, a filter plate 4, an activated carbon adsorption plate 5, a water outlet pipe 6, a first connecting pipe 7, a first-stage reverse osmosis pile 8, a second connecting pipe 9, a second-stage reverse osmosis pile 10, two groups of first check valves 11, a third connecting pipe 12, two groups of second check valves 13, a water quality detector 14, a water pump 15, a fourth connecting pipe 16 and a water return pipe 17, wherein the first filter tank 2 is positioned above the base 1, the left end of the first filter tank 2 is provided with a water injection pipe, the small-aperture sieve plate 3, the filter plate 4 and the activated carbon adsorption plate 5 are sequentially arranged in the first filter tank 2, the water outlet pipe 6 extends into the first filter tank 2, the right end of the water outlet pipe 6 is connected with the first connecting pipe 7, the first connecting pipe 7 is communicated with the first-stage pile 8, the second connecting pipe 9 is communicated with the first-stage reverse osmosis pile 8 and the second-stage reverse osmosis pile 10, the right end of the second-stage reverse osmosis reactor 10 is provided with a drain pipe, two groups of first check valves 11 are respectively arranged on a first connecting pipe 7 and a second connecting pipe 9, the input end of a third connecting pipe 12 is communicated with the second-stage reverse osmosis reactor 10, the output end of the third connecting pipe 12 is communicated with a water quality detector 14, the top end of a water pump 15 is fixedly connected with the bottom end of the second-stage reverse osmosis reactor 10, the input end of the water pump 15 extends into the second-stage reverse osmosis reactor 10, the input end of a fourth connecting pipe 16 is connected with the output end of the water pump 15, two groups of second check valves 13 are respectively arranged on the third connecting pipe 12 and the fourth connecting pipe 16, the output end of the fourth connecting pipe 16 is communicated with the input end of a water return pipe 17, the output end of the water return pipe 17 extends into the first filter tank 2, and the water return pipe 17 sequentially penetrates through the active carbon adsorption plate 5, the filter plate 4 and the small-pore sieve plate 3; the filter box comprises two groups of fixing seats 18, a plurality of groups of first supporting columns 19, a plurality of groups of first cushion blocks 20, a second filter box 21, two groups of connecting rods 22, a plurality of groups of sliding blocks 23, two groups of sliding rails 24, two groups of supports 25 and two groups of cylinders 26, wherein the two groups of fixing seats 18 are respectively and fixedly arranged at the front end and the rear end of the left side of the base 1, the top end of the first supporting column 19 is fixedly connected with the bottom end of the fixing seat 18, the top end of the first cushion block 20 is fixedly connected with the bottom end of the first supporting column 19, the second filter box 21 is connected with the first filter box 2 through the connecting rods 22, components in the second filter box 21 are arranged the same as those in the first filter box 2, the plurality of groups of sliding blocks 23 are respectively and fixedly arranged at the bottom ends of the first filter box 2 and the second filter box 21, the sliding rails 24 are fixedly arranged at the top ends of the base 1 and the fixing seats 18, the sliding blocks 23 are clamped with the sliding rails 24 in a sliding manner, the two groups of supports 25 are respectively and fixedly arranged at the front side and the rear side of the sliding rails 24, the bottom ends of the cylinders 26 are fixedly connected with the top end of the support 25, and the output ends of the two groups of cylinders 26 are respectively fixedly connected with the front end of the first filter tank 2 and the rear end of the second filter tank 21; through setting up second rose box 21, can be when first rose box 2 goes wrong and needs the maintenance, replace first rose box 2, make the overall device normal operating, avoid influencing production, low efficiency, when needing to change first rose box 2, start two sets of cylinders 26, the cylinder 26 of 2 front sides of first rose box drives first rose box 2 and moves forward, slider 23 can slide on 24 tops of slide rail, the fixing base 18 top in the place ahead is moved to first rose box 2, the cylinder 26 of second rose box 21 rear side drives second rose box 21 and moves forward simultaneously, move second rose box 21 to the top of base 1, later with return pipe 17 and active carbon adsorption plate 5 respectively with fourth connecting pipe 16 and first connecting pipe 7 be connected can.

The utility model discloses an integrated two-stage reverse osmosis unit, still include two sets of first go-between 27, two sets of second go-between 28, four groups of first bolts 29 and four groups of rubber pads 30, two sets of first go-between 27 respectively fixed mounting at the output of outlet pipe 6 and wet return 17, two sets of second go-between 28 respectively fixed mounting at the input of first connecting pipe 7 and fourth connecting pipe 16, first go-between 27 and second go-between 28 are connected through two sets of first bolts 29 spiral shell dress, two groups of rubber pads 30 respectively fixed mounting on the opposite face of first go-between 27 and second go-between 28; through setting up, the convenience is improved to the connection of the convenient to detach equipment outlet pipe 6 and the connection of wet return 17.

The integrated two-stage reverse osmosis device of the utility model also comprises three groups of connecting plates 31, six groups of second bolts 32, three groups of handles 33 and three groups of sealing rings 34, wherein three groups of slots are arranged at the bottom end of the first filter tank 2, the bottom ends of the small-aperture sieve plate 3, the filter plate 4 and the active carbon adsorption plate 5 are all inserted into the slots at the bottom end of the first filter tank 2, three groups of through holes are formed in the top end of the first filter box 2, the small-aperture sieve plate 3, the filter plate 4 and the activated carbon adsorption plate 5 penetrate through the through holes, three groups of connecting plates 31 are fixedly installed at the top ends of the small-aperture sieve plate 3, the filter plate 4 and the activated carbon adsorption plate 5 respectively, the connecting plates 31 and the top end of the first filter box 2 are in threaded connection through second bolts 32, the bottom end of the handle 33 is fixedly connected with the top end of the connecting plates 31, and three groups of sealing rings 34 are installed at the connecting positions of the small-aperture sieve plate 3, the filter plate 4, the activated carbon adsorption plate 5 and the first filter box 2 respectively; through setting up, be convenient for change clearance aperture sieve 3, filter 4 and active carbon adsorption board 5, improve its filter effect, set up sealing washer 34, can prevent that the water in the first rose box 2 from spilling through the joint.

The utility model discloses an integrated two-stage reverse osmosis unit, still include cleaning door 35, pivot 36, third bolt 37 and handle 38, the lower part of the left end of first rose box 2 is equipped with the clearance mouth, cleaning door 35 is located the clearance mouth, cleaning door 35 bottom and the left end of first rose box 2 are articulated through pivot 36, cleaning door 35 top and the left end of first rose box 2 are connected through third bolt 37 spiral shell dress, handle 38 fixed mounting is in cleaning door 35 left end; through setting up, not hard up third bolt 37 can make the clearance door 35 top leave 2 left ends of first rose box, is convenient for clear up the tiny particle of 3 left ends of aperture sieve, prevents that it from piling up.

The utility model discloses an integrated two-stage reverse osmosis device, still include multiunit second pillar 39 and multiunit second cushion 40, the top of second pillar 39 and the bottom of base 1 are fixed to be connected, the top of second cushion 40 and the bottom of second pillar 39 are fixed to be connected; through setting up, can play the firm effect of support to base 1, improve base 1's stability.

In the integrated two-stage reverse osmosis device, the front ends of the first filter tank 2 and the second filter tank 21 are provided with observation windows; through setting up, be convenient for observe the inside filtration condition of first rose box 2 and second rose box 21, improve the convenience.

The utility model discloses an integrated two-stage reverse osmosis device, it is at work, at first water injection is in first filter tank, after the filtration of aperture sieve, filter and active carbon adsorption board, open the first check valve on the first connecting pipe, water passes through outlet pipe and first connecting pipe and gets into one-stage reverse osmosis heap, after handling, open the first check valve on the second connecting pipe, water in one-stage reverse osmosis heap gets into second grade reverse osmosis heap through the second connecting pipe, after the retreatment, open the last second check valve on the third connecting pipe, make a part of water flow into water quality detector, detect water quality, if the testing result is up to standard, open the drain pipe of second grade reverse osmosis heap right-hand member, it can to discharge water, if the testing result is not up to standard, start the water pump, open the second check valve on the fourth connecting pipe simultaneously, water in the second grade reverse osmosis heap is by the suction in fourth connecting pipe and the wet return, when the components in the first filter tank are damaged, the first filter tank needs to be replaced, the second filter tank replaces the first filter tank to work, four groups of first bolts are loosened to separate the water return pipe from the fourth connecting pipe and separate the water outlet pipe from the first connecting pipe, then two groups of cylinders are started, the cylinder on the front side of the first filter tank drives the first filter tank to move forwards, the sliding block can slide on the top end of the sliding rail to move the first filter tank to the top end of the front fixed seat, the cylinder on the rear side of the second filter tank pushes the second filter tank to move forwards, the second filter tank is moved to the top end of the base, then the first bolts are screwed to connect the fourth connecting pipe with the water return pipe, and the first connecting pipe and the water outlet pipe are connected well, if the small-aperture sieve plate, the filter plate and the active carbon adsorption plate need to be replaced and cleaned, not hard up the second bolt then, upwards stimulate the handle, drive small aperture sieve, filter and active carbon adsorption plate rebound, make it leave first rose box can, if need clear up the interior tiny particle impurity of 0, not hard up the third bolt so, make the clearance door top leave first rose box left end, can clear up the tiny particle of small aperture sieve left end, prevent that it from piling up.

The integrated two-stage reverse osmosis device of the utility model adopts common mechanical installation mode, connection mode or setting mode, and can be implemented as long as the beneficial effects are achieved; the utility model discloses an integration two-stage reverse osmosis unit's water quality testing appearance, water pump and cylinder are purchase on the market, and this industry technical staff only need according to its subsidiary service instruction install and operate can.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (6)

1. An integrated two-stage reverse osmosis device comprises a base (1), a first filter tank (2), a small-bore sieve plate (3), a filter plate (4), an activated carbon adsorption plate (5), a water outlet pipe (6), a first connecting pipe (7), a first-stage reverse osmosis stack (8), a second connecting pipe (9), a second-stage reverse osmosis stack (10), two groups of first check valves (11), a third connecting pipe (12), two groups of second check valves (13), a water quality detector (14), a water pump (15), a fourth connecting pipe (16) and a water return pipe (17), wherein the first filter tank (2) is positioned above the base (1), the left end of the first filter tank (2) is provided with a water injection pipe, the small-bore sieve plate (3), the filter plate (4) and the activated carbon adsorption plate (5) are sequentially arranged in the first filter tank (2), the water outlet pipe (6) extends into the first filter tank (2), the right end of a water outlet pipe (6) is connected with a first connecting pipe (7), the first connecting pipe (7) is communicated with a first-stage reverse osmosis pile (8), a second connecting pipe (9) is communicated with the first-stage reverse osmosis pile (8) and a second-stage reverse osmosis pile (10), the right end of the second-stage reverse osmosis pile (10) is provided with a drain pipe, two groups of first one-way valves (11) are respectively arranged on the first connecting pipe (7) and the second connecting pipe (9), the input end of a third connecting pipe (12) is communicated with the second-stage reverse osmosis pile (10), the output end of the third connecting pipe (12) is communicated with a water quality detector (14), the top end of a water pump (15) is fixedly connected with the bottom end of the second-stage reverse osmosis pile (10), the input end of the water pump (15) extends into the second-stage reverse osmosis pile (10), the input end of a fourth connecting pipe (16) is connected with the output end of the water pump (15), two groups of second one-way valves (13) are respectively arranged on the third connecting pipe (12) and the fourth connecting pipe (16), the output end of the fourth connecting pipe (16) is communicated with the input end of the water return pipe (17), the output end of the water return pipe (17) extends into the first filter tank (2), and the water return pipe (17) sequentially penetrates through the activated carbon adsorption plate (5), the filter plate (4) and the small-aperture sieve plate (3); it is characterized by also comprising two groups of fixing seats (18), a plurality of groups of first support columns (19), a plurality of groups of first cushion blocks (20), a second filter tank (21), two groups of connecting rods (22), a plurality of groups of sliding blocks (23), two groups of sliding rails (24), two groups of supports (25) and two groups of cylinders (26), wherein the two groups of fixing seats (18) are respectively and fixedly arranged at the front end and the rear end of the left side of the base (1), the top end of the first support column (19) is fixedly connected with the bottom end of the fixing seat (18), the top end of the first cushion block (20) is fixedly connected with the bottom end of the first support column (19), the second filter tank (21) is connected with the first filter tank (2) through the connecting rods (22), components in the second filter tank (21) are the same as those in the first filter tank (2), and the plurality of sliding blocks (23) are respectively and fixedly arranged at the bottom ends of the first filter tank (2) and the second filter tank (21), slide rail (24) fixed mounting is on base (1) and fixing base (18) top, and slider (23) and slide rail (24) slip to clamp, and fixed mounting is respectively at the front side and the rear side of slide rail (24) in two sets of supports (25), cylinder (26) bottom and support (25) top fixed connection, the output of two sets of cylinders (26) respectively with first rose box (2) front end and second rose box (21) rear end fixed connection.

2. The integrated two-stage reverse osmosis device according to claim 1, further comprising two sets of first connection rings (27), two sets of second connection rings (28), four sets of first bolts (29), and four sets of rubber pads (30), wherein the two sets of first connection rings (27) are fixedly mounted at the output ends of the water outlet pipe (6) and the water return pipe (17), the two sets of second connection rings (28) are fixedly mounted at the input ends of the first connection pipe (7) and the fourth connection pipe (16), the first connection rings (27) and the second connection rings (28) are screwed by the two sets of first bolts (29), and the two sets of rubber pads (30) are fixedly mounted on the opposite surfaces of the first connection rings (27) and the second connection rings (28), respectively.

3. The integrated two-stage reverse osmosis device according to claim 2, further comprising three sets of connecting plates (31), six sets of second bolts (32), three sets of handles (33) and three sets of sealing rings (34), wherein the bottom end of the first filtering tank (2) is provided with three sets of slots, the bottom ends of the small-aperture sieve plate (3), the filter plate (4) and the activated carbon adsorption plate (5) are inserted into the slots at the bottom end of the first filtering tank (2), the top end of the first filtering tank (2) is provided with three sets of through holes, the top ends of the small-aperture sieve plate (3), the filter plate (4) and the activated carbon adsorption plate (5) are respectively passed through the through holes, the three sets of connecting plates (31) are respectively and fixedly installed at the top ends of the small-aperture sieve plate (3), the filter plate (4) and the activated carbon adsorption plate (5), and the connecting plates (31) and the top end of the first filtering tank (2) are in threaded connection through the second bolts (32), handle (33) bottom and connecting plate (31) top fixed connection, three sealing washer of group (34) are installed respectively in the junction of aperture sieve (3), filter (4) and active carbon adsorption plate (5) and first rose box (2).

4. The integrated two-stage reverse osmosis device according to claim 3, further comprising a cleaning door (35), a rotating shaft (36), a third bolt (37) and a handle (38), wherein the lower part of the left end of the first filter tank (2) is provided with a cleaning opening, the cleaning door (35) is positioned at the cleaning opening, the bottom end of the cleaning door (35) is hinged with the left end of the first filter tank (2) through the rotating shaft (36), the top end of the cleaning door (35) is in threaded connection with the left end of the first filter tank (2) through the third bolt (37), and the handle (38) is fixedly installed at the left end of the cleaning door (35).

5. An integrated two-stage reverse osmosis unit according to claim 4, further comprising a plurality of second struts (39) and a plurality of second spacers (40), wherein the top ends of the second struts (39) are fixedly connected to the bottom end of the base (1), and the top ends of the second spacers (40) are fixedly connected to the bottom ends of the second struts (39).

6. An integrated two-stage reverse osmosis unit according to claim 5, wherein the first filtration tank (2) and the second filtration tank (21) are provided with viewing windows at their front ends.

Images