CN210559679U

CN210559679U - Portable multi-functional integration purifier

Info

Publication number: CN210559679U
Application number: CN201920758987.1U
Authority: CN
Inventors: 任拥政; 许润; 吕家展; 蔡婷婷; 阳雄伟; 李卿
Original assignee: Huazhong University of Science and Technology
Current assignee: Huazhong University of Science and Technology
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-05-19
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a portable multi-functional integration purifier belongs to the feedwater processing apparatus field. Comprises a water inlet pipe, a manual pressurizing device, a polyester fiber filter, an activated carbon filter and an ultrafiltration membrane filter; the manual pressurizing device comprises a pull rod, a piston, a sealing ring and a piston cylinder; the manual pressurizing device is used for realizing the up-and-down movement of the piston by pressing the handheld end of the trigger lever up and down; the polyester fiber filter, the activated carbon filter and the ultrafiltration membrane filter are sequentially connected through pipelines to sequentially realize water purification. The utility model discloses a can effectively get rid of the various pollutants of aquatic to several kinds of processing unit's combination, also can realize different play water quality of water according to the water demand of difference under same water source condition. The utility model provides an electronic and two kinds of pressure equipment of manual, it is applicable in various scenes, especially can be in the area of power consumption difficulty and the great effect of field performance.

Description

Portable multi-functional integration purifier

Technical Field

The utility model belongs to feedwater processing apparatus field, more specifically relates to a portable multi-functional integration purifier, is applicable to the condition of rural area distributed water supply, has the integration purifier who purifies well water, cellar for storing things water, pool and various natural water sources.

Background

At present, in arid areas and some remote rural areas of China, the problems of insufficient water source or incapability of popularizing water supply treatment infrastructure exist, and residents can only directly take water in a rainwater collecting cellar, well water or natural water. The untreated source water generally has the problem that indexes such as turbidity, microorganisms and the like exceed standards, and the direct drinking of the untreated source water seriously threatens the physical health of residents. The integrated water purifying device on the market is mostly used in centralized treatment places such as water supply plants, and the like, has large volume, large treatment scale angle and complex operation management, and can not meet the requirement of rural distributed water supply. Although there are many water purifiers available on the market, the water purifiers are not targeted, have high requirements on external pressure, require initial pressure of municipal tap water or additional electric pressurization equipment, and cannot meet rural areas which do not have centralized supply of tap water and have difficult electricity utilization. Therefore, on the basis of meeting the practicability and the economical efficiency, the research on the device which is suitable for multi-scene distributed water supply and has the water quality purification effect has important significance for solving the safety problem of drinking water in rural areas.

SUMMERY OF THE UTILITY MODEL

The utility model provides an among the prior art purifier need additionally use electricity, lead to the technical problem that the water purification can not be realized to the rural area of remote not concentrated power supply. The utility model discloses a couple manual pressure device and polyester fiber filter, active carbon filter and filter membrane filter, through manual pressor mode, make the rivers that the area purifies through each filter of flowing through in proper order, finally obtain the purified water. The device has good purifying effect, simple operation, economy and practicality and multiple applicable scenes, and can effectively solve the technical problem that the water purifying requirement is difficult to realize because the rural areas and the field scenes have no centralized water supply water pressure and electricity utilization difficulty.

According to the purpose of the utility model, a portable multifunctional integrated water purifying device is provided, which comprises a water inlet pipe, a manual pressurizing device, a polyester fiber filter, an activated carbon filter and an ultrafiltration membrane filter;

the manual pressurizing device comprises a pull rod, a piston, a sealing ring and a piston cylinder; the pull rod is hinged with the piston through a hinge shaft; the sealing ring is fixedly attached to the periphery of the piston and used for enabling a piston cylinder space at the lower part of the piston to be in a sealing state with outside air; the manual pressurizing device is used for realizing the up-and-down movement of the piston by pressing the handheld end of the pull rod up and down, the piston is used for pumping water in the water inlet pipe into the piston cylinder through the first one-way air valve when moving upwards, and the piston is used for pressing the water in the piston cylinder into the polyester fiber filter through the second one-way air valve and the first one-way liquid valve in sequence when moving downwards; the polyester fiber filter is used for filtering silt and/or rust particles in water;

the polyester fiber filter, the activated carbon filter and the ultrafiltration membrane filter are sequentially connected through a pipeline; the activated carbon filter is used for removing at least one of organic matters, ammonia nitrogen compounds and heavy metal ions in the water; the ultrafiltration membrane filter is used for filtering at least one of suspended matters, colloids, microorganisms and biological macromolecules in water; the water outlet of the ultrafiltration membrane filter is connected with an ultrafiltration water outlet valve and an ultrafiltration water outlet pipe; and the ultrafiltration water outlet pipe is used for collecting purified water flowing out of the ultrafiltration membrane filter.

Preferably, the wrench comprises a connecting rod, one end of the wrench rod is hinged with one end of the connecting rod through a hinge shaft, the other end of the wrench rod is a handheld end, and the other end of the connecting rod is hinged with a metal sheet fixed on the outer wall of the piston cylinder through a hinge shaft.

Preferably, the device further comprises a booster pump, wherein a water outlet end of the booster pump is connected with a second one-way liquid valve, and the second one-way liquid valve is connected with a water inlet end of the polyester fiber filter; the booster pump is used for electrically pressurizing water in the water inlet pipe and then inputting the water into the polyester fiber filter through the second one-way liquid valve.

Preferably, the device also comprises a nanofiltration membrane filter, wherein the water inlet end of the nanofiltration membrane filter is connected with a nanofiltration water inlet valve, and the nanofiltration water inlet valve is connected with the water outlet end of the ultrafiltration membrane filter; and the nanofiltration membrane filter is used for further filtering the effluent of the ultrafiltration membrane filter and collecting the effluent through a nanofiltration water outlet pipe.

Preferably, the length from the hinged position of the trigger lever and the piston to the handheld end of the trigger lever is A, the length from the hinged position of the trigger lever and the piston to the hinged position of the trigger lever and the connecting rod is B, and A is greater than or equal to B.

Preferably, the device also comprises an outer box, wherein the booster pump, the polyester fiber filter, the activated carbon filter, the ultrafiltration membrane filter and the nanofiltration membrane filter are fixed on a bottom plate of the outer box; the trip bar is positioned outside the outer box, the piston cylinder penetrates through a top plate of the outer box, and the metal sheet is fixed on the outer wall of the part, positioned outside the outer box, of the piston cylinder; the water inlet of the water inlet pipe, the water outlet of the ultrafiltration water outlet pipe and the water outlet of the nanofiltration water outlet pipe are positioned outside the outer box.

Preferably, the water inlet pipe also comprises a filter screen which is fixed on the cross section of the water inlet end of the water inlet pipe in a mode of externally wrapping the pipe hoop or internally embedding threads; the filter screen is used for intercepting floating objects and particles which cannot enter filter holes on the filter screen;

preferably, the diameter of the filtering holes on the filtering net is 0.5mm-2mm, and the filtering net is a stainless steel filtering net.

Preferably, the polyester fiber filter comprises an outer cylinder and a filter element, and the filter precision of the filter element is less than or equal to 1 um; the activated carbon filter comprises an outer cylinder and filled granular activated carbon, and the iodine adsorption value of the granular activated carbon is more than or equal to 1000 mg/g; the polyester fiber filter is a polypropylene fiber filter.

Preferably, the average pore diameter of the ultrafiltration membrane in the ultrafiltration membrane filter is less than or equal to 0.08 um; the average pore diameter of the nanofiltration membrane in the nanofiltration membrane filter is less than or equal to 1 nm.

Preferably, one of the side panels of the outer box is a detachable access panel.

Generally, through the utility model above technical scheme who thinks compares with prior art, mainly possesses following technical advantage:

(1) the technical proposal of the utility model can effectively solve the limitation of the requirement of distributed water consumption in the rural areas. The utility model discloses a couple manual pressure device and polyester fiber filter, active carbon filter and filter membrane filter, through manual pressor mode, make the rivers that the area purifies through each filter of flowing through in proper order, finally obtain the purified water. The utility model discloses preferably, processing unit has integrated stainless steel filter screen, polyester fiber filter, activated carbon filter, milipore filter and has received the filter of filter membrane, can effectively get rid of pollutants such as suspended particles thing, organic matter, microorganism and heavy metal ion in the aquatic, still can get rid of heterochrosis, peculiar smell, improves out water taste, and the guarantee goes out water quality of water solves rural water safety problem. Meanwhile, the former unit is used as a pretreatment unit of the latter unit, so that the treatment burden of the latter unit can be effectively reduced, and the service cycle of each unit is prolonged. The processing units, the pressurizing devices, the valves and other accessories are connected with the pipelines by adopting quick connectors, so that the pipelines can be conveniently switched and the backwashing can be realized. The ultrafiltration membrane filter and the nanofiltration membrane filter are respectively provided with the water outlet pipes, so that the water requirements of different water qualities can be met, the ultrafiltration outlet water can be used for domestic miscellaneous water such as clothes washing, cooking and the like, the nanofiltration outlet water can meet higher water quality requirements of direct drinking or washing of fruits, vegetables, fruits and the like, and the nanofiltration unit can be started under the condition of poor water quality of source water.

(2) The utility model discloses preferentially through setting up manual pressure device and booster pump, can realize two kinds of pressurization modes manual and electronic, in the better area of condition, can use the booster pump pressurization, and can use manual pressure equipment in the area of economic conditions relatively poor, power consumption difficulty or open-air scene, the water purification demand of adaptable different scenes ensures water safety conscientiously.

(3) The utility model discloses preferably rationally integrated technology such as filtration, absorption and ultrafiltration and electronic, two kinds of manual pressurization modes, provided a portable multi-functional integration purifier. The device has good purifying effect, simple operation, economy and practicality and multiple applicable scenes, and can effectively solve the technical problem that the water purifying requirement is difficult to realize because the rural areas and the field scenes have no centralized water supply water pressure and electricity utilization difficulty.

(4) The utility model discloses preferably the booster pump is fixed on the outer case bottom plate through welding or screw, and the manual pressurizing equipment is fixed on the outer case top plate through welding or screw and runs through the top plate; the pull rod is positioned above the top plate, the piston cylinder penetrates through the top plate, and the water inlet of the water inlet pipe, the water outlet of the ultrafiltration water outlet pipe and the water outlet of the nanofiltration water outlet pipe are positioned outside the outer box; the whole structure is maintained in a stable state. All components are integrated inside or on the surface of the outer box, so that the volume is small, the movement is convenient, the operation is simple, and the portable box can be carried to occasions needing functions. Furthermore, the utility model discloses a structure is simple relatively, and the cost is lower, can alleviate user's economic burden in many households of rural area sharing, has the significance to solving rural drinking water safety problem.

(5) The utility model discloses preferably, the stainless steel filter screen passes through the pipe hoop outsourcing or the embedded mode of screw thread is connected with the end of intaking of inlet tube, and the filter screen can be dismantled to get off and clear away the pollutant that holds back on the filter screen with the brush in order to resume filtering capability. The external box is made of stainless steel, one side plate is an overhauling baffle fixed by a rotating shaft and a screw, and a handle is installed on the side of the screw and is convenient to open.

(6) The utility model discloses in distance A between the handheld end of pull rod and piston articulated position and pull rod, distance B between pull rod and piston articulated position and pull rod and the articulated position of connecting rod, A more than or equal to B is laborsaving when can realizing pressing down the pull rod from top to bottom.

(7) The utility model discloses preferably including the connecting rod, the wherein one end of pull rod is passed through the hinge with the wherein one end of connecting rod and is articulated, the other end of pull rod is handheld end, the other end of connecting rod passes through the hinge with the sheetmetal of fixing on the piston cylinder outer wall and articulates. The manual pressurizing device is more stable due to the arrangement of the connecting rod.

Drawings

Fig. 1 is a principal plane configuration diagram of the device of the present invention.

3 fig. 3 2 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 a 3- 3 a 3 of 3 the 3 device 3 of 3 the 3 present 3 invention 3. 3

Fig. 3 is a B-B sectional view of the inventive device.

Fig. 4 is a C-C sectional view of the inventive device.

The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein: the device comprises a water inlet pipe 1, a manual pressurizing device 2, a polyester fiber filter 3, an activated carbon filter 4, an ultrafiltration membrane filter 5, a pull rod 6, a connecting rod 7, a piston 8, a sealing ring 9, a piston cylinder 10, a metal sheet 11, a first one-way air valve 12, a second one-way air valve 13, a first one-way liquid valve 14, an ultrafiltration water outlet valve 15, an ultrafiltration water outlet pipe 16, a booster pump 17, a second one-way liquid valve 18, a nanofiltration membrane filter 19, a nanofiltration water inlet valve 20, a nanofiltration water outlet pipe 21, an external packing box 22, a filter screen 23 and an overhaul baffle 24.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

FIG. 1 is a principal plane configuration view of the device of the present invention; 3 FIG. 3 2 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 the 3 device 3 of 3 the 3 present 3 invention 3; 3 FIG. 3 is a cross-sectional view taken along line B-B of the apparatus of the present invention; fig. 4 is a C-C sectional view of the inventive device.

Example 1

The utility model relates to a portable multifunctional integrated water purifying device, which comprises a water inlet pipe 1, a manual pressurizing device 2, a polyester fiber filter 3, an activated carbon filter 4 and an ultrafiltration membrane filter 5;

the manual pressurizing device 2 comprises a pull rod 6, a piston 8, a sealing ring 9 and a piston cylinder 10; the pull rod 6 is hinged with the piston 8 through a hinge shaft; the sealing ring 9 is fixedly attached to the periphery of the piston 8, and the sealing ring 9 is used for enabling the space of a piston cylinder 10 at the lower part of the piston 8 to be in a sealing state with the outside air; the manual pressurizing device 2 is used for realizing the up-and-down movement of the piston 8 by pressing the handheld end of the pull rod 6 up and down, the piston 8 is used for pumping water in the water inlet pipe 1 into the piston cylinder through the first one-way air valve 12 when moving upwards, and the piston 8 is used for pressing water in the piston cylinder 10 into the polyester fiber filter 3 through the second one-way air valve 13 and the first one-way liquid valve 14 in sequence when moving downwards; the polyester fiber filter 3 is used for filtering particles such as silt and/or rust in water;

the polyester fiber filter 3, the activated carbon filter 4 and the ultrafiltration membrane filter 5 are sequentially connected through a pipeline; the activated carbon filter 4 is used for removing at least one of organic matters, ammonia nitrogen compounds and heavy metal ions in the water; the ultrafiltration membrane filter 5 is used for filtering at least one of suspended matters, colloids, microorganisms and biological macromolecules in water; the water outlet of the ultrafiltration membrane filter 5 is connected with an ultrafiltration water outlet valve 15 and an ultrafiltration water outlet pipe 16; the ultrafiltration water outlet pipe 16 is used for collecting the purified water flowing out of the ultrafiltration membrane filter 5.

Example 2

the manual pressurizing device 2 comprises a pull rod 6, a connecting rod 7, a piston 8, a sealing ring 9 and a piston cylinder 10; one end of the pull rod 6 is hinged with one end of the connecting rod 7 through a hinge shaft, the other end of the pull rod 6 is a handheld end, and the other end of the connecting rod 7 is hinged with a metal sheet 11 fixed on the outer wall of the piston cylinder 10 through a hinge shaft; the pull rod 6 is hinged with the piston 8 through a hinge shaft; the sealing ring 9 is fixedly attached to the periphery of the piston 8, and the sealing ring 9 is used for enabling the space of a piston cylinder 10 at the lower part of the piston 8 to be in a sealing state with the outside air; the manual pressurizing device 2 is used for realizing the up-and-down movement of the piston 8 by pressing the handheld end of the pull rod 6 up and down, the piston 8 is used for pumping water in the water inlet pipe 1 into the piston cylinder through the first one-way air valve 12 when moving upwards, and the piston 8 is used for pressing water in the piston cylinder 10 into the polyester fiber filter 3 through the second one-way air valve 13 and the first one-way liquid valve 14 in sequence when moving downwards; the polyester fiber filter 3 is used for filtering particles such as silt and/or rust in water;

Example 3

The utility model also comprises a booster pump 17, wherein the water outlet end of the booster pump 17 is connected with a second one-way liquid valve 18, and the second one-way liquid valve 18 is connected with the water inlet end of the polyester fiber filter 3; the booster pump 17 is used for electrically pressurizing water in the water inlet pipe 1 and then inputting the water into the polyester fiber filter 3 through the second one-way liquid valve 18.

Example 4

The utility model also comprises a nanofiltration membrane filter 19, the water inlet end of the nanofiltration membrane filter 19 is connected with a nanofiltration water inlet valve 20, and the nanofiltration water inlet valve 20 is connected with the water outlet end of the ultrafiltration membrane filter 5; the nanofiltration membrane filter 19 is used for further filtering the effluent of the ultrafiltration membrane filter 5 and collecting the effluent through a nanofiltration water outlet pipe 21.

Example 5

The utility model also comprises a filter screen 23, wherein the filter screen 23 is fixed on the cross section of the water inlet end of the water inlet pipe 1 in a mode of pipe hoop outsourcing or thread embedding; the filter screen 23 is used for intercepting floating objects and particles which can not enter into the filter holes on the filter screen 23; preferably, the diameter of the filtering holes on the filtering net 23 is 0.5mm-2mm, and the filtering net 23 is a stainless steel filtering net.

All processing unit and pressurizing unit's the end of intaking and the end of play water all set up 2 minutes quick in-line connection, and all pipelines all adopt 2 minutes PE pipe, make things convenient for the pipeline to be connected between each unit.

The filter screen 23 can intercept large-particle silt, floater and other substances in the original water, protect the subsequent pressurizing unit, reduce the load of the processing unit, and can be detached to remove the pollutants intercepted on the filter screen by using a brush so as to recover the filtering function. The first one-way fluid valve 14 and the second one-way fluid valve 18 prevent pressurized water from flowing back into another pressurizing unit when a pressurizing mode is selected. The check valves are made of stainless steel materials and are connected with the pipeline through threads and quick connectors. The water outlet pipes of the booster pump 17 and the manual pressurizing device 2 are connected with the water inlet pipe of the polyester fiber filter 3 through a straight tee.

The polyester fiber filter 3 consists of an outer cylinder and a filter element, wherein the upper part of the outer cylinder is provided with a water inlet quick connector and a water outlet quick connector which are respectively connected with a pressurizing unit and an active carbon filter 4. The filter core adopts food level polypropylene to spout and melt pp material (polypropylene fiber) filter core, and filter fineness 1um filters large particulate matter such as silt, iron rust in the aquatic, reduces the pollutant that gets into in the follow-up processing unit, prolongs the life of follow-up unit. The upper part of the outer barrel is arranged to be detachable in thread, so that the filter element can be taken out and replaced conveniently.

The activated carbon filter 4 consists of an outer cylinder and filled activated carbon, and the upper part of the outer cylinder is provided with a water inlet quick connector and a water outlet quick connector which are respectively connected with the polyester fiber filter 3 and the ultrafiltration membrane filter 5. The granular activated carbon adopts coconut shell activated carbon which meets the national safety and sanitation standards, the iodine adsorption value is more than or equal to 1000mg/g, and the granular activated carbon can adsorb organic matters, ammonia nitrogen, heavy metal ions, disinfection byproducts, residual chlorine, abnormal color and peculiar smell and the like in water and improve the taste of the yielding water. The upper part of the outer cylinder is arranged into a detachable thread, so that the replacement of the filled active carbon is convenient.

The ultrafiltration membrane filter 5 is a formed hollow fiber membrane component, the upper end of the ultrafiltration membrane filter is provided with a water inlet quick connector which is connected with the activated carbon filter 4, the lower part of the ultrafiltration membrane filter is provided with a water outlet quick connector which is respectively connected with an ultrafiltration water outlet pipe 16 and a nanofiltration membrane filter 19 through a tee joint, and a connecting pipe behind the tee joint is respectively provided with an ultrafiltration water outlet pipe 16 and a nanofiltration water outlet pipe 21, so that the outgoing direction of water can be controlled. The filtering precision of the ultrafiltration membrane is 0.08um, and almost all suspended matters, colloids, microorganisms and part of macromolecular organic matters in water can be intercepted.

The nanofiltration membrane filter 19 is a formed hollow fiber membrane component, the upper end of the nanofiltration membrane filter is provided with a water inlet quick connector which is connected with the ultrafiltration membrane filter 5, and the lower part of the nanofiltration membrane filter is provided with a water outlet quick connector which is connected with a nanofiltration water outlet pipe 21. The filtering precision of the nanofiltration membrane is 1nm, so that microorganisms, heavy metals, organic matters and other substances in water can be removed, the quality of the outlet water is further improved, and the outlet water can be directly drunk.

Example 6

When the utility model is used, the pressurizing mode and the water outlet selection are firstly determined according to the use condition and the water quality requirement. Firstly, determining a pressurizing mode, namely, directly inserting the water outlet of the water inlet pipe 1 into a water inlet quick connector of corresponding pressurizing equipment, placing the water inlet into a water containing barrel or a water body, and then placing a container for receiving purified water at an ultrafiltration water outlet pipe 16 or a nanofiltration water outlet pipe 21 according to the water use requirement. When the water quality requirement of water is low or the water quality of a water source is good, and the ultrafiltration can meet the water requirement, the nanofiltration water inlet valve 21 is closed, the ultrafiltration water outlet valve 15 is opened, and water is taken from the ultrafiltration water outlet pipe 16, so that the water can be used as domestic miscellaneous water for washing clothes, cooking and the like. When the water quality requirement of water is high or the water source quality is poor, and the nanofiltration unit is required to be started for further treatment, the ultrafiltration water outlet valve 15 is closed, the nanofiltration water inlet valve 20 is opened, and the nanofiltration water outlet pipe 21 is connected with water for taking, so that the water can be directly drunk or used for washing fruits, vegetables and fruits. And finally, operating a pressurizing device, wherein in areas with better conditions, when stable power supply exists, an electric pressurizing mode can be selected, the water inlet pipe 1 is connected with the pressurizing pump 17 and is connected with the power supply of the pressurizing pump 17, and the purified water can be obtained by opening the switch of the pressurizing pump 17. In the fields of poor economic conditions and difficult power utilization, or in the fields and the like, a manual pressurizing mode can be adopted, the water inlet pipe 1 is connected with the manual pressurizing device 2, then the pull rod 6 is lifted up and down, and purified water can be connected at the position of the ultrafiltration water outlet pipe 16 or the nanofiltration water outlet pipe 21.

The utility model discloses an ultrafiltration membrane filter 5 and receive filter 19 of filter membrane need carry out the backwash at regular intervals, during the backwash, open outer case 22 through overhauing baffle 24, the disconnection is with the connecting pipe of front and back processing unit, the cross-over pipeline. When the ultrafiltration membrane filter 5 is cleaned, the water outlet pipe of the pressurizing device is connected with the water outlet of the ultrafiltration membrane filter 5, and the waste water pipe is connected with the water inlet of the ultrafiltration membrane filter 5. When the nanofiltration membrane filter 19 is cleaned, the water outlet pipe of the pressurizing device is connected with the water outlet of the nanofiltration membrane filter 19, and the waste water pipe is connected with the water inlet of the nanofiltration membrane filter 19. Then, each component is reset, the outer box 22 is closed, the water inlet of the water inlet pipe is placed in the cleaning water, the water outlet is connected with the pressurizing equipment, and the pressurizing equipment is operated, so that the backwashing can be carried out on the ultrafiltration membrane filter 5 or the nanofiltration membrane filter 19. When chemical cleaning is needed, the membrane filter is taken down, the shell is opened, the membrane filter is oscillated and cleaned in clean water or chemical agents, the membrane filter is cleaned by the clean water and then is restored to be arranged in the box body, and a pipeline is connected to wait for the next operation.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims

1. A portable multifunctional integrated water purification device is characterized by comprising a water inlet pipe (1), a manual pressurizing device (2), a polyester fiber filter (3), an activated carbon filter (4) and an ultrafiltration membrane filter (5);

the manual pressurizing device (2) comprises a pull rod (6), a piston (8), a sealing ring (9) and a piston cylinder (10); the pull rod (6) is hinged with the piston (8) through a hinge shaft; the sealing ring (9) is attached and fixed to the periphery of the piston (8), and the sealing ring (9) is used for enabling the space of a piston cylinder (10) at the lower part of the piston (8) to be in a sealing state with the outside air; the manual pressurizing device (2) is used for realizing the up-and-down movement of the piston (8) by pressing the handheld end of the pull rod (6) up and down, the piston (8) is used for pumping water in the water inlet pipe (1) into the piston cylinder through the first one-way air valve (12) when moving upwards, and the piston (8) is used for pressing the water in the piston cylinder (10) into the polyester fiber filter (3) through the second one-way air valve (13) and the first one-way liquid valve (14) sequentially when moving downwards; the polyester fiber filter (3) is used for filtering silt and/or rust particles in water;

the polyester fiber filter (3), the activated carbon filter (4) and the ultrafiltration membrane filter (5) are sequentially connected through a pipeline; the activated carbon filter (4) is used for removing at least one of organic matters, ammonia nitrogen compounds and heavy metal ions in water; the ultrafiltration membrane filter (5) is used for filtering at least one of suspended matters, colloids, microorganisms and biological macromolecules in water; the water outlet of the ultrafiltration membrane filter (5) is connected with an ultrafiltration water outlet valve (15) and an ultrafiltration water outlet pipe (16); and the ultrafiltration water outlet pipe (16) is used for collecting purified water flowing out of the ultrafiltration membrane filter (5).

2. The portable multifunctional integrated water purification device as claimed in claim 1, further comprising a connecting rod (7), wherein one end of the pull rod (6) is hinged to one end of the connecting rod (7) through a hinge shaft, the other end of the pull rod (6) is a handheld end, and the other end of the connecting rod (7) is hinged to a metal sheet (11) fixed on the outer wall of the piston cylinder (10) through a hinge shaft.

3. The portable multifunctional integrated water purification device as claimed in claim 2, further comprising a booster pump (17), wherein the water outlet end of the booster pump (17) is connected with a second one-way liquid valve (18), and the second one-way liquid valve (18) is connected with the water inlet end of the polyester fiber filter (3); the booster pump (17) is used for electrically pressurizing water in the water inlet pipe (1) and then inputting the water into the polyester fiber filter (3) through the second one-way liquid valve (18).

4. The portable multifunctional integrated water purification device according to claim 3, further comprising a nanofiltration membrane filter (19), wherein the nanofiltration membrane filter (19) has a water inlet end connected to a nanofiltration water inlet valve (20), and the nanofiltration water inlet valve (20) is connected to a water outlet end of the ultrafiltration membrane filter (5); the nanofiltration membrane filter (19) is used for further filtering the effluent of the ultrafiltration membrane filter (5) and collecting the effluent through a nanofiltration water outlet pipe (21).

5. The portable multifunctional integrated water purification device of claim 2, wherein the length from the hinged point of the trigger lever (6) and the piston (8) to the handheld end of the trigger lever (6) is A, the length from the hinged point of the trigger lever (6) and the piston (8) to the hinged point of the trigger lever (6) and the connecting rod (7) is B, and A is greater than or equal to B.

6. The portable multifunctional integrated water purification device of claim 4, further comprising an outer case (22), wherein the booster pump (17), the polyester fiber filter (3), the activated carbon filter (4), the ultrafiltration membrane filter (5) and the nanofiltration membrane filter (19) are fixed on a bottom plate of the outer case (22); the pull rod (6) is positioned outside the outer casing (22), the piston cylinder (10) penetrates through a top plate of the outer casing (22), and the metal sheet (11) is fixed on the outer wall of the part, located outside the outer casing (22), of the piston cylinder (10); the water inlet of the water inlet pipe (1), the water outlet of the ultrafiltration water outlet pipe (16) and the water outlet of the nanofiltration water outlet pipe (21) are positioned outside the external box (22).

7. The portable multifunctional integrated water purification device as claimed in claim 1, further comprising a filter screen (23), wherein the filter screen (23) is fixed on the cross section of the water inlet end of the water inlet pipe (1) in a mode of externally wrapping a pipe hoop or internally embedding threads; the filter screen (23) is used for intercepting floating objects and particles which can not enter filter holes on the filter screen (23) in water.

8. The portable multifunctional integrated water purification device of claim 7, wherein the diameter of the filtration holes on the filter screen (23) is 0.5mm-2mm, and the filter screen (23) is a stainless steel filter screen.

9. The portable multifunctional integrated water purification device as claimed in claim 1, wherein the polyester fiber filter (3) comprises an outer cylinder and a filter element, and the filter element has a filtration precision of 1um or less; the activated carbon filter (4) comprises an outer cylinder and filled granular activated carbon, and the iodine adsorption value of the granular activated carbon is more than or equal to 1000 mg/g; the polyester fiber filter (3) is a polypropylene fiber filter.

10. The portable multifunctional integrated water purification device according to claim 4, wherein the average pore size of the ultrafiltration membrane in the ultrafiltration membrane filter (5) is less than or equal to 0.08 um; the average pore diameter of the nanofiltration membrane in the nanofiltration membrane filter (19) is less than or equal to 1 nm.

11. The portable multifunctional integrated water purification device of claim 6, wherein one side plate of the outer casing (22) is a detachable service baffle (24).